diff options
Diffstat (limited to 'gcc-4.8.3/gcc/FSFChangeLog.11')
| -rw-r--r-- | gcc-4.8.3/gcc/FSFChangeLog.11 | 14493 |
1 files changed, 14493 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/FSFChangeLog.11 b/gcc-4.8.3/gcc/FSFChangeLog.11 new file mode 100644 index 000000000..30e625845 --- /dev/null +++ b/gcc-4.8.3/gcc/FSFChangeLog.11 @@ -0,0 +1,14493 @@ +Wed Dec 31 18:40:26 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (expand_asm_operands): Treat ASM with no outputs as volatile. + +Wed Dec 31 08:03:45 1997 Paul Eggert <eggert@twinsun.com> + + * toplev.c (flag_verbose_asm): Default to 0, not 1. + + * i386/bsd386.h (ASM_COMMENT_START): Define to " #". + +Tue Dec 30 17:38:55 1997 Jim Wilson <wilson@cygnus.com> + + * unroll.c (find_splittable_givs): Handle givs with + dest_reg created by loop. + +Tue Dec 30 14:21:33 1997 Ian Lance Taylor <ian@cygnus.com> + + * svr4.h (LINK_SPEC): Never specify -h. + * ptx4.h (LINK_SPEC): Likewise. + * rs6000/sysv4.h (LINK_SPEC): Likewise. + * sparc/sol2.h (LINK_SPEC): Likewise. + +Tue Dec 30 06:15:23 1997 Philippe De Muyter <phdm@macqel.be> + + * libgcc2.c (_eh_compat): Do not include stdlib.h, but provide a + private extern declaration for malloc. + +Mon Dec 29 06:56:41 1997 Laurent Guerby <guerby@gnat.com> + + * Makefile.in (stmp-int-hdrs): Add "touch". + +Sun Dec 28 19:36:05 1997 Stephen L Moshier <moshier@mediaone.net> + + * mips.h (CACHE_FLUSH_FUNC): New, defaults to _flush_cache. + (INITIALIZE_TRAMPOLINE): Use it. + * mips/ultrix.h (CACHE_FLUSH_FUNC): Define as cacheflush. + * mips/news4.h (CACHE_FLUSH_FUNC): Likewise. + +Sun Dec 28 08:19:13 1997 Paul Eggert <eggert@twinsun.com> + + * arm.c: Don't include assert.h. + * i960.c: Likewise. + (i960_arg_size_and_align): Rewrite to avoid assert. + * m88k.c: Don't include assert.h. + (expand_block_move): Rewrite to avoid assert. + * except.c: Don't include assert.h. + (scan_region): Rewrite to avoid assert. + (save_eh_status, restore_eh_status, scan_region): Don't bother + testing whether pointer is null. + * dwarfout.c, dwarf2out.c: Do not include assert.h. + (assert): New macro, since we can't use system assert. + +Sat Dec 27 19:08:17 1997 Stephen L Moshier <moshier@mediaone.net> + + * mips/ultrix.h (DWARF2_UNWIND_INFO): Define as 0. + +Fri Dec 26 05:57:06 1997 Philippe De Muyter <phdm@macqel.be> + + * m68k/mot3300.h (FINALIZE_TRAMPOLINE): Macro defined. + * libgcc2.c (__clear_insn_cache): New sysV68-specific helper function + for trampolines. + +Thu Dec 25 15:22:43 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rs6000.c (function_arg_padding): All aggregates pad upward. + +Wed Dec 24 18:05:13 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * sparc.c: Add prototypes for static functions. + (check_pic): Check for form of pic_pc_rtx, not it itself. + (pic_setup_code): New function, from finalize_pic. + (finalize_pic): Call pic_setup_code and insert after nonlocal_receiver. + * sparc.md (nonlocal_goto_receiver): New pattern. + +Tue Dec 23 05:54:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_builtin_setjmp): Call builtin_setjmp_receiver. + * mips.md (builtin_setjmp_receiver): New pattern. + + * crtstuff.c (__do_global_ctors_aux): Add missing call to + FORCE_INIT_SECTION_ALIGN and go back to text section. + * i386/sol2.h (FORCE_INIT_SECTION_ALIGN): Remove loop. + + * expr.c (do_store_flag): For shift, get bit count using tree_pow2. + +Tue Dec 23 05:21:18 1997 Paul Eggert <eggert@twinsun.com> + + * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT too. + +Mon Dec 22 19:30:59 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * sdbout.c (plain_type_1): Add missing checks for named types "char" + and "int" and check for int by size first. + +Mon Dec 22 19:13:58 1997 Manfred Hollstein <manfred@s-direktnet.de> + + * m68k/xm-mot3300.h (ADD_MISSING_{POSIX,XOPEN}): Define. + * m88k/xm-sysv3.h: Likewise. + + * configure.in (getrlimit, setrlimit): Call AC_CHECK_FUNCS. + * cccp.c (main): Check HAVE_{G,S}ETRLIMIT in addition to RLIMIT_STACK. + * toplev.c (main): Likewise. + + * fixincludes (target_canonical): New variable. + (size_t): Add support for Motorola's stdlib.h which fails to provide + a definition for size_t. + (str{len,spn,cspn} return value): Handle different layout on sysV88. + (fabs/hypot): Provide a fake for hypot which is broken on + m88k-motorola-sysv3; emit a prototype for fabs on m88k-motorola-sysv3. + + * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in definition. + (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'. + +Mon Dec 22 19:05:49 1997 Richard Henderson <rth@cygnus.com> + + * sparc.md (jump): Don't use the annul bit around an empty loop. + +Mon Dec 22 18:52:56 1997 Robert Lipe <robertl@dgii.com> + + * i386/x-sco5 (CLIB) Deleted. + (ALLOCA) Added. + * i386/xm-sco5.h (USE_C_ALLOCA) Added. + +Mon Dec 22 18:42:16 1997 Philippe De Muyter <phdm@macqel.be> + + * m68k/mot3300Mcrt0.S (mcount): Function removed. + (__stop_monitor): New function. + * m68k/mot3300-crt0.S (__stop_monitor): New (empty) function. + (mcount, mcount%, monitor): Common symbols removed. + * m68k/mot3300.h (FUNCTION_PROFILER): USE_GAS and !USE_GAS versions + fixed and merged. + (EXIT_BODY): Always call __stop_monitor without tricky tests. + +Mon Dec 22 18:35:05 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * objc/Make-lang.in (runtime-info.h, libobjc_entry.o): Create in + build directory. + (libobjc.a): Update dependency list. + (libobjc.dll): Likewise. Use libobjc_entry.o from build directory. + (objc/sendmsg.o): Add -Iobjc to find runtime-info.h. + (objc.mostlyclean): Remove runtime-info.h. + +Mon Dec 22 18:27:47 1997 Paul Eggert <eggert@twinsun.com> + + * libgcc2.c (_eh_compat): New section. + * Makefile.in (LIB2FUNCS): Add _eh_compat. + +Mon Dec 22 17:52:37 1997 Marcus G. Daniels <mgd@wijiji.santafe.edu> + + * objc/init.c (_objc_load_callback): Don't initialize. + +Sun Dec 21 15:06:00 1997 Paul Eggert <eggert@twinsun.com> + + * mips/xm-iris5.h (HAVE_INTTYPES_H): Force undefined. + +Sun Dec 21 14:51:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c (add_bound_info, case COMPONENT_REF): New case. + +Sun Dec 14 06:49:05 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case PLACEHOLDER_EXPR): Use placeholder_list + expression in preference to any other if correct type. + + * i386.h (INITIAL_ELIMINATION_OFFSET): Correctly test for PIC + register used. + +Sat Dec 13 06:11:32 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * frame.h (__register_frame_info_table): Fix typo in declaration. + +Fri Dec 12 07:55:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (purge_addressof_1): For (mem (address (mem ...)), + when collapsing, preserve mode of outer MEM. + + * frame.c (__register_frame_info): Renamed from __register_frame. + (__register_frame_info_table, __deregister_frame_info): Similarly. + * frame.h (__{,de}register_frame_info): Likewise. + (__register_frame_info_table): New declaration. + * crtstuff.c (__do_global_dtors{,_aux}): Rename __deregister_frame. + (frame_dummy, __do_global_ctors): Likewise for __register_frame. + * collect2.c (write_c_file_{stat,glob}): Rename __register_frame + to __register_frame_info and similarly for __deregister_frame and + __register_frame_table. + + * sched.c (remove_dependencies): Set RTX_INTEGRATED_P on dependency + we delete. Properly update prev for multiple consecutive deletions. + (priority): Skip deleted dependence. + + * integrate.c (initialize_for_inline): In DECL_RTL of a PARM_DECL, + look inside a (mem (addressof (mem ...))). + +Fri Dec 12 05:49:58 1997 Paul Eggert <eggert@twinsun.com> + + * collect2.c (write_c_file_glob): + Allocate initial frame object in static storage and pass its address. + +Thu Dec 11 18:01:31 1997 Philippe De Muyter <phdm@macqel.be> + + * acconfig.h (NEED_DECLARATION_GETENV): Define slot added. + +Thu Dec 11 17:54:23 1997 Paul Eggert <eggert@twinsun.com> + + * crtstuff.c (__do_global_ctors): Fix typo in last change. + +Wed Dec 10 18:38:28 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * libgcc2.c (__bb_exit_func): Fix test of return value of fopen. + +Wed Dec 10 07:07:37 1997 Bernd Schmidt <crux@starsky.Informatik.RWTH-Aachen.DE> + * combine.c (simplify_rtx, case ABS): Don't get confused by a + VOIDmode operand. + +Tue Dec 9 17:44:14 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (FUNCTION_ARG_PADDING): Define. + * rs6000.c (function_arg_padding): New function. + +Tue Dec 9 08:53:56 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc. + +Mon Dec 8 19:23:58 1997 Pat Rankin <rankin@eql.caltech.edu> + + * toplev.c (get_run_time): [#if VMS] Cast arg in times call. + + * vax/xm-vms.h (HAVE_UNISTD_H): Define for DEC C. + * make-cccp.com [CC]: Add /Prefix=All for DEC C. + +Mon Dec 8 08:09:17 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (expand_decl_cleanup_no_eh): Properly return a value. + + * fold-const.c (fold_convert): Don't flag overflow when converting + pointer to integer. + +Sun Dec 7 09:42:05 1997 Pat Rankin <rankin@eql.caltech.edu> + + * make-gcc.com (@make-l2): Pass along any command line arguments. + * make-l2.com: Add latent support to compile cp/inc/* if `cc1plus' + is specified [currently disabled]. + * make-cc1.com: When building with GNU C, use -O2. + * make-cccp.com: Likewise. + +Sun Dec 7 06:56:48 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * crtstuff.c (__do_global_ctors): Add missing arg to __register_frame. + + * collect2.c (write_c_file_stat): Fix error in last change; + use __SIZE_TYPE__, not size_t. + +Sun Dec 7 05:50:43 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c (strings.h): Fix misspelling of `include' introduced + in last change to this file. + +Sat Dec 6 18:54:11 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha/vms.h (CPP_PREDEFINES): Remove redundant setting + of GCC version and unneeded setting of __VMS_VER. + +Fri Dec 5 07:24:36 1997 Richard Stallman <rms@gnu.org> + + * sparc/linux64.h (TARGET_VERSION): Write "GNU/Linux". + * sparc/linux.h, sparc/linux-aout.h, rs6000/linux.h: Likewise. + * m68k/linux.h, arm/linux.h, alpha/{linux,elf}.h: Likewise. + * listing: Change linux to gnu-linux. + +Fri Dec 5 06:23:22 1997 Paul Eggert <eggert@twinsun.com> + + Alter C startup code so that it doesn't invoke malloc on Solaris. + * frame.h (struct object): Decl moved here from frame.c. + * frame.c (struct object): Move decl to frame.h. + ("frame.h"): Include after <stddef.h>, so that size_t is defined. + (__register_frame, __register_frame_table, __deregister_frame): + It's now the caller's responsibility to allocate storage for object. + * crtstuff.c (frame_dummy), collect2.c (write_c_file_stat): + Allocate initial frame object in static storage and pass its address. + * crtstuff.c (<stddef.h>, "frame.h"): Include. + * Makefile.in ($(T)crtbegin.o, $(T)crtend.o, stamp-crtS): + Depend on defaults.h and frame.h. + + * Makefile.in (RTL_H, TREE_H): Add gansidecl.h. + (DEMANGLE_H): New macro. All dependencies on demangle.h + changed to $(DEMANGLE_H). + (RECOG_H): Likewise. + (libgcc2.a, stmp-multilib): Add dependencies on frame.h, gansidecl.h. + (collect.o): Add dependency on gansidecl.h. + (gcc.o, choose-temp.o, pexecute.o, prefix.o): Likewise. + (obstack.o, choose-temp.o, pexecute.o): Add dependency on $(CONFIG_H). + +Fri Dec 5 06:20:06 1997 Dean Deaver <deaver@amt.tay1.dec.com> + + * arm.md (casesi_internal): Add USE of label. + +Fri Dec 5 05:59:44 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in (sys/times.h): Check for this instead of times.h. + * cpplib.c, toplev.c: Properly test for and include sys/times.h. + +Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (final_prescan_insn): Use local label prefix when emitting + .uses pseudo-ops. + +Thu Dec 4 07:00:48 1997 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_finalize_pic): Use an offset of 4 when adjusting the + GOT address. + +Thu Dec 4 06:58:32 1997 Dean Deaver <deaver@amt.tay1.dec.com> + + * genoutput.c (scan_operands): Treat format of "u" like "e". + +Thu Dec 4 06:28:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * msdos/top.sed, winnt/config-nt.sed: Change version to 2.8.0. + + * stmt.c (pushcase_range): Clean up handling of "infinite" values. + +Wed Dec 3 09:03:35 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE> + + * i386.c (notice_update_cc): Remove bogus Pentium GCC code. + +Wed Dec 3 08:46:32 1997 Paul Eggert <eggert@twinsun.com> + + * arm.h (CPP_ARCH_DEFAULT_SPEC): Fix misspelling: `TARGET_CPU_DEFUALT'. + (TARGET_SWITCHES): Fix misspelling: `no-apcs-rentrant'. + * pa.c (override_options): Fix misspelling: `compatable'. + * enquire.c (main): Fix misspelling in diagnostic: `mallocatable'. + * gcov.c (function_summary): Fix misspelling in diagnostic: `funcion'. + * objc/thr-decosf1.c (__objc_thread_id): Fix misspelling in code: + `pthread_getuniqe_np'. + + * tahoe.c (extensible_operand): Renamed from extendable_operand. + All callers changed. + * dwarf2.h (enum dwarf_discrim_list): Renamed from dwarf_descrim_list. + * dwarf2out.c: Fix misspellings in forward static function + declarations: `add_AT_setion_offset', `add_sibling_atttributes'. + * dwarfout.c: Fix misspellings in forward static function + declarations: `langauge_attribute', `geneate_new_sfname_entry'. + * stmt.c, tree.h (start_cleanup_deferral): + Renamed from start_cleanup_deferal. + (end_cleanup_deferral): Renamed from end_cleanup_deferal. + * toplev.c (rest_of_compilation): Rename local var from + inlineable to inlinable. + +Wed Dec 3 06:17:03 1997 Jason Merrill <jason@yorick.cygnus.com> + + * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start. + +Wed Dec 3 06:06:38 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (gen_type_die, case POINTER_TYPE): See TREE_ASM_WRITTEN + before the recursive call. + +Wed Dec 3 05:57:29 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in (AC_HEADER_{STDC,TIME}): Add calls. + (AC_CHECK_HEADERS): Add fcntl.h times.h, sys/times.h, + sys/resource.h, and sys/param.h. + (getenv): Check if need declaration. + * cccp.c: Remove obsolete ways of including headers and use autoconf + symbols instead. + Include gansidecl.h; remove things defined there. + See if getenv needs to be declared. + * cpplib.c: Likewise. + * cexp.y: Use autoconf symbols to select what include files are needed. + * genattrtab.c, toplev.c: Likewise. + +Tue Dec 2 21:44:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload1.c (reload): Make copy of MEM before setting + req_equiv_mem if the address is a PLUS. + +Tue Dec 2 07:03:47 1997 Pat Rankin <rankin@eql.caltech.edu> + + * vax/xm-vms.h (STDC_HEADERS, HAVE_STDLIB, HAVE_STRING): Define. + (mesg_implicit_function_declaration): New macro. + + * make-l2.com: Compile libgcc2.c with `-fexceptions' specified. + +Mon Dec 1 17:44:59 1997 Jeffrey A Law (law@cygnus.com) + + * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to + output ASCII by default; only use ASM_OUTPUT_DWARF_STRING if + flag_debug_asm is on. + (output_die, output_pubnames, output_line_info): Likewise. + +Mon Dec 1 17:15:30 1997 Philip Blundell <pb@nexus.co.uk> + + * arm/linux.h (SUBTARGET_CPU_DEFAULT): Define instead + of TARGET_CPU_DEFAULT. + +Mon Dec 1 16:51:23 1997 J.J. van der Heijden <J.J.vanderHeijden@student.utwente.nl> + + * i386/mingw32.h (MATH_LIBRARY): Set to "-lcrtdll". + +Mon Dec 1 16:46:57 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-aux-info.c: Add prototypes for static functions. + * c-lex.c, emit-rtl.c, rtl.c, xcoffout.c: Likewise. + + * i386.h (TARGET_SWITCHES): Add entries for "windows" and "dll". + +Mon Dec 1 16:42:20 1997 Jim Wilson <wilson@cygnus.com> + + * mips.md (fix_trunc{dfsi,sfsi,dfsi}2): Add '*' in operand 3. + +Sun Nov 30 20:25:59 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (get_inner_reference): For ARRAY_REF, if need + WITH_RECORD_EXPR, make it with the ARRAY_REF as exp. + + * expr.c (store_constructor): Use TARGET, not EXP, for + WITH_RECORD_EXPR when offset has a placeholder. + +Sun Nov 30 11:19:00 1997 J.J. van der Heijden <J.J.vanderHeijden@student.utwente.nl> + + * objc/Make-lang.in (libobjc.dll): Rename -dll flag to -mdll. + +Sun Nov 30 08:42:29 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * stmt.c (expand_end_bindings): Cleanups and incoming gotos are + not incompatible. + +Sun Nov 30 05:45:06 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * jump.c (jump_optimize): Use find_insert_position in two more places. + +Sat Nov 29 13:47:40 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha/vms.h (HAVE_STRERROR, HAVE_{LIMITS,STDDEF,TIME}_H): Define. + +Sat Nov 29 08:29:47 1997 J.J.van der Heijden <J.J.vanderHeijden@student.utwente.nl> + + * configure.in: Add check for kill. + * gcc.c: Define kill as raise if not HAVE_KILL. + +Sat Nov 29 06:18:08 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * jump.c (find_insert_position): New function. + (jump_optimize): Use it when making new copy of insn after test. + +Sat Nov 29 05:54:57 1997 Douglas Rupp <rupp@gnat.com> + + * alpha/vms.h (BIGGEST_ALIGNMENT, ENCODE_SECTION_INFO): No longer + override. + +Sat Nov 29 05:43:37 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * getpwd.c (getpwd, [VMS]): Only add extra arg if VMS. + + * alpha/xm-vms.h (HAVE_VPRINTF, HAVE_PUTENV): Define. + + * cccp.c (index, rindex): Add conditional defs to strchr and strrchr.s + * cpplib.c: Likewise. + * gcov.c: Include gansidecl.h. + +Fri Nov 28 21:17:51 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * objc/objc-act.c: Include "output.h". + + * objc/Make-lang.in (objc-parse.o, objc-act.o): Also depend on + $(srcdir)/output.h. + + * objc/Object.m (+conformsTo:): Surround assignment with parentheses. + + * objc/archive.c, objc/class.c, objc/encoding.c: Finish prototyping. + * objc/init.c, objc/objc-act.c, objc/objc-api.h: Likewise. + * objc/runtime.h, objc/sendmsg.c: Likewise. + +Fri Nov 28 19:15:53 1997 Mark Kettenis <kettenis@phys.uva.nl> + + * objc/thr-posix.c (__objc_mutex_allocate): Allocate + mutex type instead of assuming it fits in a void * type. + (__objc_mutex_deallocate): Free mutex type. + (__objc_mutex_lock): Pass mutex type instead of pointer to it. + (__objc_mutex_{try,un}lock): Likewise. + (__objc_condition_allocate): Allocate condition type instead + of assuming it fits in a void * type. + (__objc_condition_deallocate): Free condition type. + (__objc_condition_wait): Pass condition type instead of pointer to it. + (__objc_condition_{broadcast,signal}): Likewise. + +Fri Nov 28 17:07:25 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (function_arg_partial_nregs): Undo 11/26 change. + +Fri Nov 28 12:34:03 1997 Scott Christley <scottc@net-community.com> + + * objc/Make-lang.in (runtime-info.h): Add comment in file. + + * objc/selector.c: Replace all occurrences of sarray_get + with sarray_get_safe. + * objc/sendmsg.c: Likewise. + + * protoize.c (include_defaults): Add component element as in cccp.c. + * nextstep.h (INCLUDE_DEFAULTS): Add component element. + (ASM_COMMENT_START): Correct assembly comment string. + * objc/Make-lang.in (objc/{NXConstStr,Object,Protocol,linking): + Compile with GNU runtime. + +Fri Nov 28 12:27:50 1997 Ovidiu Predescu <ovidiu@net-community.com> + + Generate platform information required by ObjC runtime. + * toplev.c (lang_options): New ObjC specific compiler flag. + * objc/Make-lang.in: Add target to generate runtime-info.h file. + * objc/objc-act.c (print_struct_values): New variable. + (generate_struct_by_value_array): New function. + (lang_init): Call generate_struct_by_value_array if requested. + (lang_decode_option): Check for new compiler flag.s + * objc/sendmsg.c (__objc_get_forward_imp): Check size of type + for determining proper forwarding function. + +Fri Nov 28 05:58:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * regclass.c (record_address_regs): Use REG_OK_FOR_{INDEX,BASE}, + not the REGNO versions. + +Thu Nov 27 16:28:04 1997 Scott Snyder <snyder@d0sgif.fnal.gov> + + * dwarf2out.c (outout_call_frame_info): Ensure info has proper + alignment. + + * libgcc2.c (__throw): Initialize HANDLER. + +Thu Nov 27 16:23:25 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tree.h, rtl.h: See if need declarations for free. + * tree.c, bc-optab.c: Get the declaration of free from stdlib.h. + +Thu Nov 27 07:21:54 1997 Jason Merrill <jason@yorick.cygnus.com> + + * except.h: Add outer_context_label_stack. + * except.c: Likewise. + (expand_start_all_catch): Push the outer_context for the try block + onto outer_context_label_stack. + (expand_end_all_catch): Use it and pop it. + + * except.c (expand_start_all_catch): One more do_pending_stack_adjust. + + * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR. + +Thu Nov 27 07:15:10 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs. + (print_operand{,_address}): Use SMALL_DATA_REG for register involved in + small data relocations. + + * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if + -dynamic linker is not used. + + * rs6000.md (call insns): For local calls, use @local suffix under + System V; don't use @plt under Solaris. + +Wed Nov 26 15:12:32 1997 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions. + + * toplev.c (flag_exceptions): Default value is 2. + (compile_file): If flag_exceptions still has the value 2, then + set it to 0. + +Wed Nov 26 14:58:42 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (output_function_profiler): Put label address in r0, and + store LR in 4(sp) for System V/eabi. + + * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16 + byte boundary, and maintain stack backchain. + + (Originally from Geoffrey Keating) + * rs6000.c (function_arg): Excess floating point arguments don't + go into GPR registers after exhausting FP registers under the + System V.4 ABI. + (function_arg_partial_nregs): Likewise. + + * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt + suffix to calls. + +Wed Nov 26 14:09:01 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarfout.c (output_type): If finalizing, write out nested types + of types we've already written. + + * toplev.c (main): Complain about -gdwarfn. + +Wed Nov 26 12:37:56 1997 J.J. van der Heijden <J.J.vanderHeijden@student.utwente.nl> + + * mingw32.h (PATH_SEPARATOR): Moved to xm-mingw32.h + * xm-mingw32.h (PATH_SEPARATOR): Moved here from mingw32.h. + + * getpwd.c (getpwd): Use VMS implementation of _WIN32 unless cygwin32. + +Wed Nov 26 12:26:44 1997 John Hassey <hassey@dg-rtp.dg.com> + + * m88k/dgux.h (ASM_CPU_SPEC) : No whitespace allowed. + + * m88k.h (SUPPORTS_ONE_ONLY) : Must be svr4. + + * i386/dgux.h (ASM_OUTPUT_ALIGN): Deleted. + + * i386/dgux.c (output_file_start) : Changed ix86_isa_string + to ix86_arch_string. + + * cplus-dem.c (fancy_abort): Added. + +Wed Nov 26 06:07:50 1997 Richard Earnshaw <rearnsha@arm.com> + + * arm/coff.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_32 to defaults. + + * configure.in (arm*-*-*): Recognize --with-cpu for ARM processors. + +Wed Nov 26 05:05:36 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * libgcc2.c (inhibit_libc): Define #ifdef CROSS_COMPILE. + + * mips/xm-iris6.h (malloc, realloc, calloc): No longer declare. + (USG): Define here. + (xm-iris5.h): No longer include; just include xm-mips.h. + + * mips-tfile.c (parse_def): Properly recognize bitfield and + count array dimensions. + + * protoize.c: Remove declarations of void, exit, and free. + + * i386/mingw32.h (LINK_SPEC, STARTFILE_SPEC): Change -dll to -mdll. + + * configure.in: Check for sys/file.h. + * gcc.c (sys/file.h): Include if HAVE_SYS_FILE_H. + + * configure.in: Only give error on bad --with-cpu value for target. + +Sat Nov 22 19:21:55 1997 Philippe De Muyter <phdm@macqel.be> + + * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros. + (ASM_OUTPUT_DWARF_VALUE4): New macro. + (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is + defined. + (output_call_frame_info): Don't output forward label differences + if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined. + Substitute instead simple label and define this label later to be + difference of desired labels after they have been defined. + * m68k/mot3300.h (SET_ASM_OP): Define when not using gas. + + * gcc.c (process_command): Don't take address of function fatal when + calling lang_specific_driver. + +Sat Nov 22 17:08:03 1997 J. Kean Johnston <jkj@sco.com> + + * i386/sco5.h (SELECT_RTX_SECTION): Redefine to work with -fpic. + (LIBGCC_SPEC, LIB_SPEC): Link with correct libgcc.a. + (HAVE_ATEXIT): Define. + +Sat Nov 22 12:20:22 1997 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (movsfcc{,_hard}_insn): Specify mode for all alternatives. + +Sat Nov 22 06:56:16 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (instantiate_decl): Only ignore ADDRESSOF if arg is REG. + + * configure.in: Check for functions before checking which need decls. + (bcopy, bzero, bcmp, index, rindex): Add checks. + (vax-*-sysv*): Fix typo in setting of xm_file. + * aclocal.m4: Add conditional definitions of index and rindex. + * gansidecl.h (bcopy, bzero, bcmp, index, rindex): If don't + have one of these, define macro to use ANSI form. + * pa/xm-pahpux.h (bcopy, bzero, bcmp, rindex, index): No longer define. + * mips/xm-sysv.h, xm-m88k.h, m68k/xm-plexus.h: Likewise. + * m68k/xm-mot3300.h, m68k/xm-m68kv.h, m68k/xm-hp320.h: Likewise. + * winnt/xm-winnt.h, vax/xm-vms.h, m68k/xm-3b1.h: Likewise. + * i386/xm-os2.h, i386/xm-mingw32.h, alpha/xm-vms.h: Likewise. + * xm-svr4.h, xm-svr3.h: Likewise. + * clipper/xm-clix.h: Likewise. + (TARGET_MEM_FUNCTIONS): Define here. + * xm-linux.h (bcmp, bcopy, bzero, index, rindex): No longer undefine. + * xm-convex.h (bcopy, bzero): No longer define. + * vax/xm-vaxv.h, sparc/xm-pbd.h, mips/xm-iris{3,4,5}.h: Likewise. + * m68k/xm-crds.h, m68k/xm-altos3068.h, i386/xm-sun.h: Likewise. + * i386/xm-osf.h, i386/xm-aix.h, xm-i370.h, ns32k/xm-genix.h: Likewise. + +Sat Nov 22 06:46:26 1997 Paul Eggert <eggert@twinsun.com> + + * c-typeck.c, collect2.c, cpplib.c, dwarfout.c, gcov.c, protoize.c: + Don't include <strings.h> unless there's no <string.h>. + +Fri Nov 21 06:46:50 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in (i[3456]86-*-freebsd{,elf}*): Delete i386/xm-freebsd.h. + * xm-freebsd.h, i386/xm-freebsd.h: Deleted. + + * i386/xm-cygwin32.h (HAVE_RUSAGE, HAVE_FILE_H): Deleted. + * i386/xm-mingw32.h, rs6000/xm-cygwin32.h: Likewise. + + * xm-std32.h: New file, so far unused. + +Fri Nov 21 05:50:54 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.c (legitimize_pic_address): Make sure pic register marked used. + + * dwarf2out.c (output_call_frame_info): Call app_enable and + app_disable if flag_debug_asm, not if flag_verbose_asm. + +Thu Nov 20 16:37:36 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_builtin_apply): Fix typo in last change. + + * expr.c (expand_assignment): If assigning to readonly field, + mark rtx as unchanging. + + * configure.in: Add checks for functions putenv, popen, and vprintf. + (i[3456]86-*-netbsd*): No longer need i386/xm-netbsd.h. + (i860-alliant-*): No longer need i860/xm-fx2800.h. + (m68k-ncr-sysv*): Use xm-svr3.h instead of m68k/xm-tower.h. + (m68k-sun-sunos*): No longer need m68k/xm-sun3.h. + (m68k-*-netbsd*): No longer need m68k/xm-netbsd.h. + (mips-dec-netbsd*): No longer need mips/xm-netbsd.h. + (ns32k-pc532-netbsd*): No longer need ns32k/xm-netbsd.h. + (sparc-*-netbsd*): No longer need sparc/xm-netbsd.h. + (vax-*-netbsd*): No longer need config/xm-netbsd.h. + * arm/xm-netbsd.h: No longer include xm-netbsd.h. + * xm-linux.h (HAVE_VPRINTF, HAVE_POPEN, HAVE_PUTENV): Deleted. + * xm-mips.h (HAVE_VPRINTF, HAVE_PUTENV): Deleted. + * i386/xm-osf.h, xm-arm.h, xm-alpha.h: Likewise. + * xm-sparc.h (HAVE_POPEN): Deleted. + * xm-sh.h (HAVE_VPRINTF): Deleted. + * mips/xm-iris4.h, mips/xm-iris5.h, xm-m88k.h: Likewise. + * m68k/xm-crds.h, m68k/xm-atari.h, m68k/xm-amix.h: Likewise. + * xm-svr3.h, xm-svr4.h, i386/xm-mingw32.h: Likewise. + * i386/xm-os2.h (HAVE_PUTENV): Deleted. + * i386/xm-dos.h, i386/xm-aix.h: Likewise. + * arm/xm-netbsd.h (HAVE_VPRINTF, HAVE_STRERROR): No longer + need undefine. + * xm-netbsd.h, i386/xm-netbsd.h, m68k/xm-netbsd.h: Deleted. + * mips/xm-netbsd.h, ns32k/xm-netbsd.h, sparc/xm-netbsd.h: Likewise. + * i860/xm-fx2800.h, m68k/xm-sun3.h, m68k/xm-tower.h: Likewise. + +Thu Nov 20 16:04:24 1997 Richard Earnshaw <rearnsha@arm.com> + + * explow.c (plus_constant_wide, case MEM): If about to call + force_const_mem, generate the rtl in a saveable obstack. + + * arm.md (movhi): Pass the full MEM to storeinthi, storehi and + storehi_bigend. + (storeinthi, storehi, storehi_bigend): Be more conservative about + when not to force a PLUS or MINUS into a REG. Use change_address + to create new MEMs. + +Wed Nov 19 15:16:04 1997 Ulrich Drepper <drepper@cygnus.com> + + * c-common.c (print_char_table): Add a and A to float formats. + (scan_char_table): Likewise. + (check_format_info): Recognize `a' as allocate flag only if used + in correct context. + +Wed Nov 19 12:56:54 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * configure.in: Fix check for <inttypes.h>. + +Tue Nov 18 19:27:01 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (attribute "type"): Add nil. + (movsi_ie): y/y alternative is type nil. + (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X. + (movsf_ie+1): Delete. + +Tue Nov 18 18:38:41 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c (warn_undef): Now static. + (eval_if_expression): Don't warn about undefined preprocessor symbols + in system headers. + * cexp.y (parse_c_expression): + Now takes new arg specifying whether to warn + about undefined preprocessor symbols. + (warn_undef): Now local and static; independent of warn_undef in cccp.c + (yylex): `register' -> `register int', needed for C9X. + + The following changes are only if TEST_EXP_READER is defined: + (expression_signedp): New var. + (start): Set expression_signedp to signedness of expression. + (print_unsigned_host_wide_int): New function. + (main): Use it to print value of expression, instead of hoping that + `long' is long enough. Print "u" after unsigned values. + +Tue Nov 18 18:33:30 1997 Jim Wilson <wilson@cygnus.com> + + * mips.c (save_restore_insns): If gp_offset or fp_offset are + large_int, emit two insns instead of one splitable insn. + * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset + from cfa_temp_value, use cfa_offset. Add assert checking that + cfa_reg is SP. + +Tue Nov 18 09:11:58 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (div_and_round_double): Return overflow for + divide-by-zero instead of aborting. + + * tree.c (substitute_in_expr, case TREE_LIST): Fix two typos. + +Tue Nov 18 05:03:52 1997 Jeffrey A Law <law@cygnus.com> + + * arm.c (output_move_double): Allocate 3 entries in otherops array. + +Tue Nov 18 02:41:01 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c (quote_string_for_make): New function. + (deps_output): Use it to fix bug with file name quoting in -M output. + +Mon Nov 17 13:28:33 1997 Philip Blundell <Philip.Blundell@pobox.com> + + * arm/lib1funcs.asm (__div0): Provide GNU/Linux implementation. + * arm/t-linux (LIB1ASMFUNCS): Use it. + +Mon Nov 17 09:13:59 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * function.c (purge_addressof_1): Make copy when substituting argument + of ADDRESSOF. + (fixup_var_refs_1): Likewise. + + * m68k.c: Include tree.h. + +Mon Nov 17 09:01:05 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * getpwd.c (getpwd, [VMS]): Add extra arg of 0 to getcwd call. + + * alpha/vms.h ({OPTIMIZATION,OVERRIDE}_OPTIONS): Delete, for now. + * alpha/xm-vms.h (DIR_SEPARATOR, PATH_SEPARATOR): Delete. + +Mon Nov 17 08:52:45 1997 Richard Earnshaw <rearnsha@arm.com> + + * function.c (fixup_stack_1): Also fix-up refs via ARG_POINTER_REGNUM. + + * configure.in (arm-*-netbsd*): Doesn't need collect2. + +Mon Nov 17 08:50:01 1997 Stephen L Moshier <moshier@world.std.com> + + * i386/isc.h (DWARF2_UNWIND_INFO): Define as 0. + +Mon Nov 17 08:42:28 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * flow.c (propagate_block): Look for pre-inc/dec within PARALLEL. + +Mon Nov 17 03:14:46 1997 Paul Eggert <eggert@twinsun.com> + + * cpplib.c (file_size_and_mode): Remove. + (finclude): Don't assume long and off_t are same size or that + mode_t fits in int. + * cccp.c: (main, finclude, check_precompiled): Don't assume size_t + and off_t are same size. + * gcov.c (read_files): Don't assume off_t and unsigned are same size. + +Sun Nov 16 18:56:40 1997 Scott Christley <scottc@net-community.com> + + * objc/objc-act.c (objc_demangle): New function. + (objc_printable_name): New function. + (init_objc): Change default function. + + * expr.c (expand_builtin_apply): Prefer nonlocal over block. + +Sun Nov 16 18:10:13 1997 Fila Kolodny <fila@ibi.com> + + * i370.c (i370_function_prolog): New function from i370.h. + * i370.h (FUNCTION_PROLOG): Just call i370_function_prolog. + +Sun Nov 16 08:40:35 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * calls.c (expand_call, store_one_arg): Don't pass QImode arguments + to emit_library_call. + * expr.c (emit_push_insn, expand_assignment, store_expr): Likewise. + (expand_expr, expand_builtin): Likewise. + * function.c (put_var_into_stack, assign_parms): Likewise. + * alpha.c (alpha_builtin_saveregs): Likewise. + * clipper.c (clipper_builtin_saveregs): Likewise. + * m88k.c (m88k_builtin_saveregs): Likewise. + * pa.c (hppa_builtin_saveregs): Likewise. + * sparc.c (sparc_builtin_saveregs): Likewise. + +Sun Nov 16 07:39:08 1997 Paul Eggert <eggert@twinsun.com> + + * real.h (REAL_VALUES_IDENTICAL): New macro. + * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros. + * fold-const.c (operand_equal_p): Don't consider -0.0 identical to 0.0. + * tree.c (simple_cst_equal): Likewise. + * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL macro. + +Sun Nov 16 07:29:12 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * acconfig.h (NEED_DECLARATION_{,R}INDEX): New cases. + * configure.in: See if need declarations for index and rindex. + * c-typeck.c, collect2.c, cpplib.c, dwarfout.c, gcov.c, protoize.c: + Include stdlib.h, string.h, and strings.h, if they exist. + Only declare index and rindex if needed. + * collect2.c: Only declare free if needed. + + * regclass.c (record_address_regs): Refine choice of index and base + when have sum of two regs, one of which is a hard reg. + +Sun Nov 16 07:07:45 1997 Robert Lipe (robertl@dgii.com) + + * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define as in sysv4 and linux + (HAVE_ATEXIT): No longer define. This confused ELF destructors. + (DBX_DEBUGGING_INFO): Define. + +Sat Nov 15 09:55:11 1997 Richard Earnshaw (rearnsha@arm.com) + + * arm.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept MINUS (until reload + knows what to do with it). + +Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to + pick apart floating point values, instead of using CONST_DOUBLE_LOW + and CONST_DOUBLE_HIGH. + + * rs6000.md (define_splits for DF constants): Use the appropriate + REAL_VALUE_* interface to pick apart DF floating point constants in + a machine independent fashion. + +Thu Nov 13 07:30:53 1997 Richard Earnshaw (rearnsha@arm.com) + + * arm/netbsd.h (LINK_SPEC): Redefine -- pass -X. + + * arm.md (movsicc_insn): Add extra reload alternatives for better + register tying. + (movsfcc_hard_insn, movsfcc_soft_insn, movdfcc_insn): Likewise. + +Mon Nov 10 19:32:14 1997 Doug Evans <dje@cygnus.com> + + * sparc.md (mov[sdt]f_const_insn): Fix condition to match what + instruction can handle. + +Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com> + + * stmt.c (expand_decl_cleanup_no_eh): New fn. + + * except.c (expand_leftover_cleanups): do_pending_stack_adjust. + +Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (lshrdi3_power): Delete '&' from first alternative and + swap instruction order. + +Sun Nov 9 09:51:08 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * machmode.def (QCmode, HCmode): New modes. + +Sun Nov 9 09:24:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * combine.c (sets_function_arg_p): New function. + (combinable_i3pat): Check if combining with any but the first + argument register setting insn for a function call. + + * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid sheduling load from + stack slot. + +Sun Nov 9 09:17:53 1997 Richard Earnshaw (rearnsha@arm.com) + + * loop.c (strength_reduce): If initial value of BIV is equivalent to + a constant, record that as initial value. + (check_dbra_loop): Don't reverse loop if initial value isn't CONST_INT. + +Sun Nov 9 09:12:41 1997 Tristan Gingold <gingold@haendel.enst.fr> + + * expr.c (emit_push_insn): Avoid infinite recursion + when -fcheck-memory-usage. + +Sun Nov 9 08:03:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cse.c (simplify_binary_operation): Fix error in last change. + +Sun Nov 9 07:56:31 1997 Pat Rankin <rankin@eql.caltech.edu> + + * vmsconfig.com [version.opt]: Parse version string more robustly. + [@variable@]: Discard configure tokens when using Makefile.in. + [libgcc2-cxx.list]: Generate this new file for CXX_LIB2FUNCS. + [cp/input.c]: Suppress it as workaround to avoid linker warning. + [objc-parse.y]: Now lives in the objc subdirectory. + * make-cc1.com [objc-parse.{c,y}]: Ditto. + * make-cccp.com [prefix.c]: Compile additional source file. + + * cccp.c (VMS_freopen, VMS_fopen, VMS_open, VMS_fstat): Call + corresponding library routine specified via its ordinary name + rather than with a decc$ prefix. (Reverses Oct 19 change.) + + * cccp.c, cexp.y [HOST_WIDE_INT]: Manually splice long lines + of avoid backslash+newline continuation on #if directives. + +Sun Nov 9 01:54:54 1997 Jeffrey A Law (law@cygnus.com) + + * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions + are shared. + +Sat Nov 8 23:01:37 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * cse.c (simplify_binary_operation): Don't simplify divide by zero + for targets that don't support a representation of INFINITY. + +Sat Nov 8 22:37:29 1997 Richard Earnshaw <rearnsha@arm.com> + + * Makefile.in (cse.o): Depend on expr.h. + * cse.c: Include expr.h. + (fold_rtx, case MEM): For ADDRESSOF, create new MEM. + +Sat Nov 8 19:27:56 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * expr.c (expand_increment): When enqueing a postincrement for a MEM, + use copy_to_reg if address is not a general_operand. + +Sat Nov 8 18:39:56 1997 Jason Merrill <jason@yorick.cygnus.com> + + * libgcc2.c (L_eh): Define __eh_pc here. + Replace __eh_type with generic pointer __eh_info. + +Sat Nov 8 07:03:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.h (SECONDARY_OUTPUT_RELOAD_CLASS): If FLOAT_REGS, + need secondary reload for QImode and HImode even if BWX. + + * expmed.c (store_split_bit_field): Force ADDRESSOF into register. + + * cse.c (fold_rtx, case ADDRESSOF): New case (that does nothing). + + * function.c (fixup_var_refs_1, case ADDRESSSOF): Check that + new value is valid for insn. + + * stor-layout.c (get_best_mode): Refine test for field within + unit to work properly for negative positions. + + * print-rtl.c (print_inline_rtx): Save and restore sawclose and indent. + + * reload.c (find_replacement): If PLUS, MINUS, or MULT, see if + either arg contains a replacement. + +Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com> + + * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for + linked once FDEs. + +Fri Nov 7 06:50:57 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.h (FUNCTION_VALUE): Take into account promotion of pointers. + + * unroll.c (back_branch_in_range_p): Refine check for INSN at loop end. + +Wed Nov 5 18:17:50 1997 Paul Eggert <eggert@twinsun.com> + + * fixinc.svr4: Replace `__STDC__ - 0 == 1' + with `defined (__STRICT_ANSI__)'. + +Tue Nov 4 18:32:44 1997 Jim Wilson <wilson@cygnus.com> + + * mips.md (insv, extzv, extv): Add change_address call. + (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern. + * mips.c (mips_expand_epilogue): Emit blockage insn before call to + save_restore_insns if no FP and GP will be restored. + + * acconfig.h (HAVE_INTTYPES_H): Undef. + * configure.in (inttypes.h): Check for conflicts between sys/types.h + and inttypes.h, and verify that intmax_t is defined. + * mips/x-iris (CC, OPT, OLDCC): Comment out. + * mips/x-iris3: Likewise. + +Tue Nov 4 17:28:31 1997 Doug Evans <dje@cygnus.com> + + * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling. + (yylex): Record wide strings using target endianness, not host. + +Tue Nov 4 16:18:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (distdir-start): Add dependency on $(srcdir)/config.in. + +Tue Nov 4 06:14:30 1997 Paul Eggert <eggert@twinsun.com> + + * c-lex.c (yylex): Don't warn about constants like + 9223372036854775807 and 18446744073709551615U on an L32LL64 host + unless pedantic. + +Mon Nov 3 18:42:44 1997 Jim Wilson <wilson@cygnus.com> + + * i386.c (load_pic_register): Call prologue_get_pc_and_set_got. + * i386.md (prologue_{set_got,get_pc}): Add UNSPEC_VOLATILE to pattern. + (prologue_get_pc_and_set_got): New pattern. + +Mon Nov 3 13:42:21 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c, cpplib.c (compare_defs): Don't complain about arg name + respellings unless pedantic. + * cpplib.c (compare_defs): Accept pfile as new arg. + All callers changed. + +Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com) + + * global.c (global_alloc): Free the conflict matrix after + reload has finished. + +Thu Oct 30 17:30:42 1997 Doug Evans <dje@cygnus.com> + + * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf. + Set extra_parts. + (sparc*-*-*): Recognize --with-cpu=v9. + * sparc/elf.h: New file. + * sparc/t-elf: New file. + +Thu Oct 30 16:36:17 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (expand_asm_operand): If error in matching constraint, + don't emit asm. + +Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * va-sh.h (__va_arg_sh1): Define. + (va_arg): Use it. + SH3E doesn't use any integer registers for subsequent arguments + once a non-float value was passed in the stack. + * sh.c (machine_dependent_reorg): If optimizing, put explicit + alignment in front label for ADDR_DIFF_VEC. + * sh.h (PASS_IN_REG_P): Fix SH3E case. + (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length. + +Tue Oct 28 21:09:25 1997 Jim Wilson <wilson@cygnus.com> + + * m68k.md (btst patterns): Add 5200 support. + +1997-10-28 Brendan Kehoe <brendan@cygnus.com> + + * global.c (global_alloc): Use xmalloc instead of alloca for + CONFLICTS, since max_allocno * allocno_row_words alone can be more + than 2.5Mb sometimes. + +Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including + svr4.h. + +Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com> + + From Brendan: + * dwarf2out.c (output_call_frame_info): Use l1 instead of ".". + +Mon Oct 27 16:01:14 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg. + +Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (machine_dependent_reorg): When -flag_delayed_branches, + put an use_sfunc_addr before each sfunc. + * sh.md (use_sfunc_addr, dummy_jump): New insns. + (casesi): For TARGET_SH2, emit a dummy_jump after LAB. + +Mon Oct 27 11:49:43 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2.h: Remove dwarf2out prototypes. + * tree.h: And put them here. + * m68k.c, i386.c: Don't include dwarf2.h. + +Mon Oct 27 00:02:13 1997 Paul Eggert <eggert@twinsun.com> + + Remap include files with header.gcc only if user or configuration + file specifies "-remap". + + * cccp.c (remap): New var. + (main): Set it if user specifies "-remap". + (open_include_file): Remap only if `remap' is nonzero. + + * cpplib.h (struct cpp_options): New member `remap'. + * cpplib.c (cpp_options_init): Set remap to 0. + (open_include_file): Remap only if `remap' is nonzero. + (cpp_handle_options): Set remap if user specifies "-remap". + + * i386/cygwin32.h, rs6000/cygwin32.h (CPP_SPEC): Define with -remap. + +Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32 + bit PC-relative offset. The exception range table pointer is now in + the CIE. + * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta. + (count_fdes, add_fdes, get_cie): Adjust. + (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses. + + From H.J. Lu: + * frame.c (count_fdes, add_fdes): Skip linked once FDE entries. + +Sat Oct 25 20:29:39 1997 Alexandre Oliva <oliva@dcc.unicamp.br> + + * Makefile.in (float.h-nat): If float.h is to be empty, ensure it is. + +Sat Oct 25 20:16:52 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise, + use varargs.h. Wrap header with <>, not "". + +Sat Oct 25 20:10:57 1997 Robert Lipe (robertl@dgii.com) + + * i386/sco5.h (EH_FRAME_SECTION_ASM_OP{,_ELF,_COFF}): Define. + (DWARF2_UNWIND_INFO): Likewise. + (EXTRA_SECTIONS): Add in_eh. + +Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug. + (TARGET_MULT_BUG): Define. + (TARGET_DEFAULT): Default to TARGET_MULT_BUG. + * mn10300.md (mulsi3): Handle TARGET_MULT_BUG. + +Fri Oct 24 15:43:57 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (toplevel): Move include stdio.h before config.h. + + (Patch from H.J. Lu, Aug 27, 1997) + * rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New; defined as 1. + + (Patch from Jeff Law, Oct 22, 1997) + * rs6000.c (struct machine_function): Add pic_offset_table_rtx. + (rs6000_{save,restore}_machine_status): Save/restore it. + + * rs6000.md (movsi_got_internal_mem): New pattern to work around + case where GOT value did not get a register. + (movsi_got_internal_mem splitter): Split above pattern. + + (Patch from Geoffrey Keating, Oct 21, 1997) + * rs6000.c (rs6000_stack_info): Avoid creating a stack + frame under System V ABI if we only need to save the LR. + + (Patch from Joel Sherrill, Sep 1, 1997) + * rs6000/sysv4.h (SUBTARGET_SWITCHES): Add new macro + EXTRA_SUBTARGET_SWITCHES, which defaults to nothing. + + (Patch from Geoffrey Keating, Oct 20, 1997) + * rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS{,_S}): Add -msdata=none + switch. + +Fri Oct 24 15:25:50 1997 Doug Evans <dje@cygnus.com> + + * sparc.h (ASM_SPEC): Delete. + +Fri Oct 24 13:16:24 1997 Jeffrey A Law (law@cygnus.com) + + * mn10200.c (indirect_memory_operand): Delete unused function. + * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'. + * mn10200.md (bset, bclr insns): Handle output in a reg too. + + * mn10300.c (symbolic_operand, legitimize_address): New functions. + * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address. + (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic. + +Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string + for FILENAME. + +Tue Oct 21 16:18:13 1997 Paul Eggert <eggert@twinsun.com> + + * winnt/win-nt.h (CPP_SPEC): Remove reference to obsolete + option -lang-c-c++-comments. + +Tue Oct 21 10:00:20 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (movqi, movhi): Avoid using address registers as + destinations unless absolutely necessary. + + * mn10200.c (expand_prologue): Fix typo. + + * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed addresses. + * mn10200.md (neghi2): Provide an alternative which works if + the input and output register are the same. + + * mn10300.c (print_operand): Handle 'S'. + * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for + shift amount in last alternative + + * mn10300.c (expand_epilogue): Rework to handle register restores + in "ret" and "retf" instructions correctly. + +Tue Oct 21 07:35:19 1997 Richard Earnshaw (rearnsha@arm.com) + + * arm.md (insv): Avoid writing result into a paradoxical subreg. + +Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine. + +Mon Oct 20 12:04:04 1997 Nick Clifton <nickc@cygnus.com> + + * v850.h (CPP_SPEC): Define __v850__. + (CPP_PREDEFINES): Do not define __v850__. + + * xm-v850.h: Use __v850 rather than __v850__ to identify v850 port. + +Mon Oct 20 17:29:55 1997 Doug Evans <dje@cygnus.com> + + * sparc.h (SPARC_V9,SPARC_ARCH64): Delete. + (DEFAULT_ARCH32_P): New macro. + (TARGET_ARCH{32,64}): Allow compile time or runtime selection. + (enum cmodel): Declare. + (sparc_cmodel_string,sparc_cmodel): Declare. + (SPARC_DEFAULT_CMODEL): Provide default. + (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}. + (TARGET_FULLANY): Deleted. + (TARGET_CM_MEDMID): New macro. + (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC. + (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. + (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch). + (CPP_SPEC): Rewrite. + (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros. + (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros. + (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros. + (ASM_SPEC): Add %(asm_arch). + (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default. + Rename asm_default to asm_cpu_default. + Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian, + cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch. + (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH. + ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values. + (MASK_INT64,MASK_LONG64): Delete. + (MASK_ARCH64): Renamed to MASK_64BIT. + (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete. + (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG. + (TARGET_SWITCHES): Always provide 64 bit options. + (ARCH64_SWITCHES): Delete. + (TARGET_OPTIONS): New option -mcmodel=. + (INT_TYPE_SIZE): Always 32. + (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH. + (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_.... + (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support. + (PRINT_OPERAND_PUNCT_VALID_P): Add '_'. + * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by + CPP_SPEC. + (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. + * sparc/linux.h: Likewise. + * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete. + (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. + (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT. + (SPARC_DEFAULT_CMODEL): Define. + (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. + (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. + (LONG_DOUBLE_TYPE_SIZE): Define. + (ASM_SPEC): Add %(asm_arch). + * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. + (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. + (TARGET_CPU_DEFAULT): Add ultrasparc case. + * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete. + (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. + (SPARC_DEFAULT_CMODEL): Define. + * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete. + (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete + MASK_LONG64, MASK_MEDANY. + (SPARC_DEFAULT_CMODEL): Define. + (CPP_PREDEFINES): Delete. + (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. + (ASM_SPEC): Add %(asm_arch). + (LONG_DOUBLE_TYPE_SIZE): Define. + (DWARF2_DEBUGGING_INFO): Define. + * sparc/splet.h (CPP_SPEC): Delete. + * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. + (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support. + (BLOCK_PROFILER): Likewise. + * sparc.c (sparc_cmodel_string,sparc_cmodel): New globals. + (sparc_override_options): Handle code model selection. + (sparc_init_expanders): Renamed from sparc64_init_expanders. + * sparc.md: TARGET_<code_model> renamed to TARGET_CM_.... + TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY. + (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_.... + (sethi_di_fullany): Delete. + +Mon Oct 20 17:20:17 1997 Jim Wilson <wilson@cygnus.com> + + * mips.c (compute_frame_size): Not a leaf function if profile_flag set. + +Sun Oct 19 17:46:02 1997 Douglas Rupp <rupp@gnat.com> + + * cccp.c (OBJECT_SUFFIX): Add default definition. + (main): Use OBJECT_SUFFIX. + (VMS_{freopen,fopen,open}): Use instead of using macro on + unprefixed name. + (VMS_fstat): Use decc$fstat explicitly, not via macro. + +Sun Oct 19 09:07:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * prefix.c (get_key_value): Initialize prefix to null. + * Makefile.in (prefix.o): Properly pass in prefix. + + * objc/Make-lang.in (objc.distdir): Make the objc directory. + * Makefile.in (distdir-start): No longer depend on objc-parse.[cy]. + Don't copy objc files here. + (TAGS): Don't delete objc-parse.y + + * i386/mingw32.h (LIB_SPEC): Add -ladvapi32. + (STARTFILE_SPEC): If -dll, use dllcrt1.o. + (INCOMING_RETURN_ADDR_RTX): Undefine. + + * Makefile.in (float.h-nat): Avoid using /dev/null for input, + since it's not present on all systems. + + * prefix.c : New file. + * Makefile.in (xgcc, cccp, cppmain, fix-header): Add prefix.o. + (prefix.o): New rule. + * cccp.c (update_path): Add extern definition. + (struct default_include): New field `component'. + (default_include): Add initializer for new field to all entries. + (new_include_prefix): Take new arg and call update_path; + all callers changed. + Add trailing "." before doing stat of file. + * cpplib.c (update_path): Add extern definition. + (struct default_include): New field `component'. + (default_include): Add initializer for new field to all entries. + (cpp_start_read): Call update_path. + * gcc.c (upate_path): Add extern definition. + (find_a_file): For MS-DOS-based, consider a drive spec as absolute. + (add_prefix): New arg component and pass to update_path; + all callers changed. + * netbsd.h (INCLUDE_DEFAULTS): Add `component' to values. + * i386/freebsd.h, mips/netbsd.h, winnt/win-nt.h: Likewise. + * i386/mingw32 (STANDARD_INCLUDE_COMPONENT): New macro. + * vax/vms.h (INCLUDE_DEFAULTS): New macro. + * vax/xm-vms.h (INCLUDE_DEFAULTS): Delete from here. + + * sparc/sol2.h (WIDEST_HARDWARE_FP_SIZE): New macro. + + * i386.c (ix86_prologue): Conditionalize Dwarf2 calls + on #ifdef INCOMING_RETURN_ADDR_RTX. + * i386.md (allocate_stack): Fix incorrect operand number. + + * alpha.c (vmskrunch): Deleted. + (output_prolog, VMS): Use alloca for entry_label and don't + truncate to 64 characters. + * alpha/vms.h (vmskrunch): No longer define. + (ENCODE_SECTION_INFO): No longer call vmskrunch. + (ASM_DECLARE_FUNCTION_NAME): No longer override. + + * toplev.c (output_quoted_string): Call new OUTPUT_QUOTED_STRING macro. + * i386/mingw32.h (OUTPUT_QUOTED_STRING): New macro. + + * stmt.c (using_eh_for_cleanups_p): New variable. + (using_eh_for_cleanups): New function. + (expand_decl_cleanup): Don't call expand_eh_region_start_tree + unless using EH for cleanups. + + * function.c (purge_addressof_1): When dealing with a + bare (address (mem)), verify that what's inside is valid in insn. + (instantiate_virtual_regs_1, case ADDRESSOF): If have MEM, just + do instantiation inside and leave alone here. + + * fold-const.c (fold, case COND_EXPR): Allow creation + of {MIN,MAX}_EXPR, but preserve info on orginal comparison code. + + * function.h (restore_tree_status): Update prototype. + + * cse.c (cse_basic_block): Flush the hash table every 1,000 insns. + +Sat Oct 18 13:48:14 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * longlong.h (count_leading_zeros): Add missing casts to USItype. + +Sat Oct 18 13:35:09 1997 Marc Lehmann (pcg@goof.com) + + * toplev.c (main): Don't execute "ps" under MSDOS. + +Sat Oct 18 13:26:42 1997 Richard Earnshaw (rearnsha@arm.com) + + * function.c (instantiate_virtual_regs): Don't instantiate the + stack slots for the parm registers until after the insns have had + their virtuals instantiated. + + * varargs.h (va_arg): For ARM systems, definition is endian-dependent. + * stdarg.h (va_arg): Likewise. + +Sat Oct 18 11:23:04 1997 Nick Clifton <nickc@cygnus.com> + + * final.c (end_final): Use ASM_OUTPUT_ALIGNED_DECL_LOCAL if defined. + * varasm.c (assemble_static_space): Likewise. + (assemble_variable): Use ASM_OUTPUT_ALIGNED_DECL_{COMMON,LOCAL} if def. + +Sat Oct 18 11:02:19 1997 Doug Evans <dje@canuck.cygnus.com> + + * expr.c (use_group_regs): Don't call use_reg unless REG. + +Sat Oct 18 10:39:22 1997 Jim Wilson <wilson@cygnus.com> + + * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse + redundant conditional moves to single operand. + + * expmed.c (extract_bit_field): Don't make flag_force_mem disable + extzv for memory operands. + +Sat Oct 18 09:58:44 1997 Jeffrey A Law <law@cygnus.com> + + * ptx4.h: Fix typo. + + * integrate.c (save_for_inline_copying): Avoid undefined pointer + operations. + (expand_inline_function): Likewise. + +Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com> + + * tree.c (restore_tree_status): Also free up temporary storage + when we finish a toplevel function. + (dump_tree_statistics): Print stats for backend obstacks. + + * libgcc2.c (__throw): Don't copy the return address. + * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address. + + * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns. + * tree.h: Declare them. + + * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized). + * toplev.c (main): Initialize exceptions_via_longjmp. + + * tree.c: Add extra_inline_obstacks. + (save_tree_status): Use it. + (restore_tree_status): If this is a toplevel inline obstack and we + didn't want to save anything on it, recycle it. + (print_inline_obstack_statistics): New fn. + * function.c (pop_function_context_from): Pass context to + restore_tree_status. + +Sat Oct 18 09:45:22 1997 Michael Meissner <meissner@cygnus.com> + + * profile.c (get_file_function_name): Remove declaration. + * c-lang.c (finish_file): Likewise. + +Sat Oct 18 09:35:40 1997 Tristan Gingold <gingold@messiaen.enst.fr> + + * expr.c (expand_assignment): If -fcheck-memory-usage, add call to + chkr_check_addr if size not zero. + (expand_expr, case COMPONENT_REF): Likewise. + (expand_builtin): If -fcheck_memory-usage, check memory usage + of operands for strlen, strcpy, and memcpy or don't use builtins + for memcmp and strcmp. + * expr.h (chkr_check_str_libfunc): Declare. + * optabs.c (chkr_check_str_libfunc): New variable. + (init_optabs): Initialize it. + +Sat Oct 18 09:29:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * i386/cygwin32.h (ASM_COMMENT_START): Redefine. + +Sat Oct 18 09:23:54 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * frame.c (__frame_state_for): Execute the FDE insns until the + current pc value is strictly bigger than the target pc value. + + * expr.c (expand_expr, case TARGET_EXPR): If target and slot has + no DECL_RTL, then call mark_addressable again for the slot after + we give it RTL. + +Sat Oct 18 08:58:36 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) + + * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here. + * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Unconditionally define. + * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not + __DOLPHIN__. + + * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment. + * dwarf2out.c (output_call_frame_info): Call app_enable and + app_disable to let GNU as accept the generated comments. + + * m88k.c (m88k_begin_prologue): Remove superfluous backslash. + +Sat Oct 18 08:50:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * flow.c (print_rtl_with_bb): Cast alloca return values. + +Sat Oct 18 08:47:46 1997 Douglas Rupp <rupp@gnat.com> + + * alpha/vms.h (LITERALS_SECTION_ASM_OP, ASM_OUTPUT_DEF): + (EXTRA_SECTION_FUNCTIONS): Add literals_section. + (EXTRA_SECTIONS): Include in_literals. + +Sat Oct 18 08:40:55 1997 Nick Burrett <nick.burrett@btinternet.com> + + * cpplib.c: (initialize_builtins): Cast all string constants for the + function install, to type U_CHAR *. + (eval_if_expression): Likewise. + * cppexp.c: (cpp_lex): Cast string, for cpp_lookup, to type U_CHAR *. + +Sat Oct 18 08:38:13 1997 Ken Raeburn <raeburn@cygnus.com> + + * c-lex.c (check_newline) At `skipline', flush nextchar as well. + +Sat Oct 18 08:17:13 1997 Paul Russell <Paul.Russell@RustCorp.com.au> + + * input.h (struct file_stack): Added indent_level. + * c-lex.c (check_newline): Add {}-count & balance warning. + +Sat Oct 18 06:54:39 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * regclass.c (record_address_regs, case PLUS): Refine how to choose + which is base and index. + + * alpha.h (FUNCTION_VALUE): Use word_mode only for integral types, + not types with integral modes. + + * final.c (alter_cond): Properly conditionalize forward decl. + + * tree.h (SAVE_EXPR_NOPLACEHOLDER): New flag. + * tree.c (contains_placeholder_p, case SAVE_EXPR): Avoid + checking each SAVE_EXPR more than once. + + * rs6000.md (nonlocal_goto_receiver): Don't test pool size. + + * i386.c (load_pic_register): New function. + (ix86_prologue): Code to load PIC register moved to new function. + Don't emit blockage if not generating RTL. + * i386.md (nolocal_goto_receiver): New pattern. + + * i386.c: Major cleanup, mostly reformatting. + Include dwarf2.h. + Remove many spurious casts. + (ix86_{pro,epi}logue): Use proper mode for SET rtx. + +Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu> + + * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2. + * sparc.h (FUNCTION_PROFILER): Fix format string when TARGET_MEDANY. + * sparc.c (output_double_int): Output DI mode values + correctly when HOST_BITS_PER_WIDE_INT is 64. + (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use + fmovd so it works if a quad float ends up in one of the upper 32 + float regs. + * sparc.md (pic_{lo_sum,sethi}_di): New patterns for PIC support + on sparc64. + +Fri Oct 17 16:27:07 1997 Doug Evans <dje@cygnus.com> + + * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS. + * sparc.h (PROMOTE_MODE): Promote small ints if arch64. + (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define. + (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros. + (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros. + (SPARC_FP_ARG_FIRST): New macro. + (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now. + (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs. + (NPARM_REGS): There are 32 fp argument registers now. + (FUNCTION_ARG_REGNO_P): Likewise. + (FIRST_PARM_OFFSET): Update to new v9 abi. + (REG_PARM_STACK_SPACE): Define for arch64. + (enum sparc_arg_class): Delete. + (sparc_arg_count,sparc_n_named_args): Delete. + (struct sparc_args): Redefine and use for arch32 as well as arch64. + (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete. + (FUNCTION_ARG_ADVANCE): Rewrite. + (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite. + (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite. + (FUNCTION_ARG_CALLEE_COPIES): Delete. + (FUNCTION_ARG_{PADDING,BOUNDARY}): Define. + (STRICT_ARGUMENT_NAMING): Define. + (doublemove_string): Declare. + * sparc.c (sparc_arg_count,sparc_n_named_args): Delete. + (single_move_string): Use GEN_INT, and HOST_WIDE_INT. + (doublemove_string): New function. + (output_move_quad): Clean up some of the arch64 support. + (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64. + Don't add 8 bytes of reserved space if arch64. + (sparc_builtin_saveregs): Combine arch32/arch64 versions. + (init_cumulative_args): New function. + (function_arg_slotno): New static function. + (function_arg,function_arg_partial_nregs): New functions. + (function_arg_{pass_by_reference,advance}): New functions. + (function_arg_padding): New function. + * ginclude/va-sparc.h: Rewrite v9 support. + +Fri Oct 17 13:21:45 EDT 1997 Philip Blundell <pb@nexus.co.uk> + + * arm/netbsd.h (TYPE_OPERAND_FMT): use % not @ to avoid + problems with comments. + +Fri Oct 17 13:00:38 EDT 1997 Richard Earnshaw (rearnsha@arm.com) + + * arm/aout.h (ASM_OUTPUT_LABEL): Define in place of ARM_OUTPUT_LABEL. + * arm/aof.h (ASM_OUTPUT_LABEL): Likewise. + * arm.h (ASM_OUTPUT_LABEL): Delete. + (ASM_OUTPUT_INTERNAL_LABEL): Call ASM_OUTPUT_LABEL directly. + * arm.c (arm_asm_output_label): Delete. + + * arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Do what is needed inline. + * arm.c (output_lcomm_directive): Delete. + + * arm.h (PUSH_ROUNDING): Delete; this is not what happens. + (ACCUMULATE_OUTGOING_ARGS): Define. + (PROMOTE_FUNCTION_ARGS): Define. + (INITIAL_ELIMINATION_OFFSET): Take current_function_outgoing_args_size + into account. + * arm.c (use_return_insn, output_func_epilogue, + arm_expand_prologue): Likewise. + + * arm.c (const_ok_for_arm): If HOST_WIDE_INT more than 32 bits, + insist high bits are all zero or all one. + (output_move_double): Handle case where CONST_INT is more than 32 bits. + + * arm.c (load_multiple_sequence): Support SUBREG of MEM. + (store_multiple_sequence): Likewise. + + * arm.c (arm_gen_load_multiple): New args UNCHANGING_P and IN_STRUCT_P. + Use them if we create any new MEMs; all callers changed. + (arm_gen_store_multiple): Likewise. + (arm_gen_movstrqi): Preserve RTX_UNCHANGING_P and MEM_IN_STRUCT_P + on any MEMs created. + + * arm.h (ASM_OUTPUT_MI_THUNK): Use branch instruction to jump to label. + (RETURN_ADDR_RTX): Use NULL_RTX rather than casting zero. + (output_move_double): Correct typo in prototype. + + * arm.md (movsfcc): If not TARGET_HARD_FLOAT, ensure operand[3] valid. + + * arm/netbsd.h (CPP_PREDEFINES): Always predefine __arm__. + * arm/xm-netbsd.h (SYS_SIGLIST_DECLARED, HAVE_STRERROR): Define these. + + * arm/t-netbsd (CROSS_LIBGCC1, LIB1ASMSRC, LIB1ASMFUNCS) Don't define + these any more. + * configure.in (arm-*-netbsd*): Pick up t-netbsd before arm/t-netbsd. + +Thu Oct 16 19:31:22 1997 Jim Wilson <wilson@cygnus.com> + + * v850.c (ep_memory_offset): New function. + (ep_memory_operand, substitute_ep_register, v850_reorg): Call it. + + * v850.h (CONST_OK_FOR_*): Add and correct comments. + (CONSTANT_ADDRESS_P): Add comment. + (EXTRA_CONSTRAINT): Define 'U'. + * v850.md: Add comments on bit field instructions. + (addsi3): Delete &r/r/r alternative. Add r/r/U alternative. + (lshrsi3): Use N not J constraint. + + * v850.md (v850_tst1+1): New define_split for tst1 instruction. + + * v850.c (reg_or_0_operand): Call register_operand. + (reg_or_int5_operand): Likewise. + * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros. + (TARGET_SWITCHES): Add "big-switch". + (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE, + ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH. + (CASE_DROPS_THROUGH): Comment out. + (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define. + * v850.md (cmpsi): Delete compare mode. + (casesi): New pattern. + + * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero. + * v850.md (ashlsi3): Use SImode not QImode for shift count. + (lshrsi3): Likewise. + + * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete + unreachable switch statement after 'b' support. Remove "b" from + strings for 'b' support. + * v850.md (branch_normal, branch_invert): Change %b to b%b. + +Thu Oct 16 13:08:45 1997 Doug Evans <dje@cygnus.com> + + * configure.in (sparc-*-elf*): New target. + +Wed Oct 15 22:30:37 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * h8300.h (REG_CLASS_CONTENTS): AP is a general register. + (REG_OK_FOR_BASE_P, ! REG_OK_STRICT case): Reject special registers. + +Wed Oct 15 22:00:57 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (movhi+1): Add x/r alternative. + + * sh/elf.h (HANDLE_SYSV_PRAGMA): Undefine. + + * va-sh.h (va_arg): Fix big endian bugs for small integers. + +Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for + PPC601. + (umulsidi3,umulsi3_highpart): Likewise. + (smulsi3_highpart_no_mq): Add !TARGET_POWER. + +Wed Oct 15 18:45:31 1997 Doug Evans <dje@cygnus.com> + + * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete. + +Wed Oct 15 17:17:33 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (following_call): Fail if the CALL_INSN is an indirect call. + +Wed Oct 1 17:52:09 1997 Douglas Rupp <rupp@gnat.com> + + * vms.h (UNALIGNED_{SHORT,INT,DOUBLE_INT}_ASM_OP): Define. + +Wed Oct 1 16:09:42 1997 Benjamin Kosnik <bkoz@melange.gnu.ai.mit.edu> + + * fixincludes: Fix sys/param.h so that MAXINT will not be redefined + on HPUX. + +Wed Oct 1 08:08:21 1997 Jeffrey A Law <law@chunks.cygnus.com> + + * cse.c (this_insn_cc0_mode): Initialize. + +Wed Oct 1 07:22:12 1997 Richard Henderson <rth@cygnus.com> + + * i386.h (RETURN_ADDR_RTX): Use FRAME arg, not ap. + +Tue Sep 30 19:19:58 1997 Jim Wilson <wilson@cygnus.com> + + * except.c (find_exception_handler_labels): Correct argument to free. + +Fri Sep 26 14:06:45 1997 Mike Stump <mrs@wrs.com> + + * c-decl.c (start_struct): Ensure that structs with forward + declarations are in fact packed when -fpack-struct is given. + +Wed Sep 24 11:31:24 1997 Mike Stump <mrs@wrs.com> + + * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if + packing structure. This allows a structure with only bytes to be + aligned on a byte boundary and have no padding on a m68k. + +Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * except.c (find_exception_handler_labels): Free LABELS when done. + +Tue Sep 30 10:47:33 1997 Paul Eggert <eggert@twinsun.com> + + * cexp.y, cppexp.c (HOST_BITS_PER_WIDE_INT): + Define only if not already defined. + +Mon Sep 29 17:55:55 1997 Gavin Koch <gavin@cygnus.com> + + * c-decl.c (warn_implicit): Deleted. + (warn_implicit_int, mesg_implicit_function_declaration}): New vars. + (c_decode_option): For -Wimplicit, set both new variables. + Add -Wimplicit-function-declarations, -Wimplicit-int, + and -Werror-implicit-function-declaration. + (implicitly_declare, grokdeclarator): Use new flags. + * toplev.c (lang_options): Add new -W options. + +Mon Sep 29 17:55:15 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-common.c (check_format_info): Add check for scanf into + constant object or via constant pointer type. + +Mon Sep 29 16:10:12 1997 Richard Henderson <rth@cygnus.com> + + * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne. + (bne): Likewise for cmpeq+beq. + +Mon Sep 29 15:58:22 1997 Doug Evans <dje@cygnus.com> + + * reload1.c (reload_cse_simplify_set): Fix return values. + +Mon Sep 29 08:21:35 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * i386.c (notice_update_cc): Use reg_overlap_mentioned_p. + +Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com> + + * libgcc2.c (__throw): Fix thinko. + +Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net> + + * cplus-dem.c (demangle_template): Add new parameter. Handle new + template-function mangling. + (consume_count_with_underscores): New function. + (demangle_signature): Handle new name-mangling scheme. + +Sun Sep 28 11:19:09 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (print_rtl_with_bb): Reformat messages about BB boundaries. + + * calls.c: Include regs.h. + * profile.c: Likewise. + * Makefile.in (calls.o, profile.o): Depend on regs.h. + * except.h (expand_builtin_dwarf_reg_size): Put in #ifdef TREE_CODE. + + * tree.h (get_file_function_name): Add decl. + * dwarf2out.c (output_call_frame_info): Don't cast its result. + +Sun Sep 28 10:58:21 1997 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (sub-makes): Pass value of LANGUAGES. + +Sun Sep 28 10:52:59 1997 Ian Dall <ian.dall@dsto.defence.gov.au> + + * regs.h (SMALL_REGISTER_CLASSES): Default to 0. + * calls.c (prepare_call_address, expand_call): + Remove #if test on SMALL_REGISTER_CLASSES. + * combine.c (can_combine_p, combinable_i3pat, try_combine): Likewise. + * cse.c (canon_hash): Likewise. + * function.c (expand_function_start): Likewise. + * jump.c (jump_optimize): Likewise. + * local-alloc.c (optimize_reg_copy_1): Likewise. + * loop.c (scan_loop, valid_initial_value_p): Likewise. + * profile.c (output_arc_profiler): Likewise. + * reload.c (push_secondary_reload, push_reload): Likewise. + (combine_reloads): Likewise. + * reload1.c (reload, scan_paradoxical_subregs): Likewise. + (order_regs_for_reload, reload_as_needed): Likewise. + (choose_reload_regs): Likewise. + (merge_assigned_reloads): Declare unconditionally. + +Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com> + + * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size. + * tree.h (built_in_function): Likewise. + * expr.c (expand_builtin): Likewise. + * except.h: Likewise. + * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn. + * libgcc2.c (copy_reg): New fn. + (__throw): Use it. + +Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * frame.c (gansidecl.h): New include, for PROTO. + * dwarf2out.c: Move inclusion of dwarf2.h down. + (dwarf2out_cfi_label): Don't declare here. + * dwarf2.h (dwarf2out_{do_frame,cfi_label,def_cfa}): New declarations. + (dwarf2out_{window_save,args_size,reg_save,return_save}): Likewise. + (dwarf2out_{return_reg,begin_prologue,end_epilogue}): Likewise. + * m68k.c (dwarf2.h): Include. + (output_function_prologue): Add dwarf2 support. + * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros. + (INCOMING_FRAME_SP_OFFSET): Likewise. + + * integrate.c (copy_rtx_and_substitute, case ADDRESSOF): New case. + + * integrate.c (expand_inline_function): Make sure there is at + least one insn that can be used as an insertion point. + +Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com> + + * c-typeck.c (build_binary_op): Warn about comparing signed vs + unsigned if -W is specified and -Wno-sign-compare is not. + * c-decl.c (warn_sign_compare): Initialize to -1. + (c_decode_option): -Wall no longer implies -Wsign-compare. + +Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/ + +Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com> + + * sparc.md (get_pc_via_call): Renamed from get_pc_sp32. + (get_pc_via_rdpc): Renamed from get_pc_sp64. + * sparc.c (finalize_pic): Update call to gen_get_pc_via_call. + +Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu> + + * sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc. + (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=, + and -malign-functions=. + (sparc_align_{loops,jumps,funcs}_string): Declare. + (sparc_align_{loops,jumps,funcs}): Declare. + (DEFAULT_SPARC_ALIGN_FUNCS): New macro. + (FUNCTION_BOUNDARY): Use sparc_align_funcs. + (STACK_BIAS): Define. + (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT, then perform test. + (SPARC_SETHI_P): New macro. + (CONST_OK_FOR_LETTER_P): Use it. + (ASM_OUTPUT_ALIGN_CODE): Define. + (ASM_OUTPUT_LOOP_ALIGN): Define. + * sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals. + (sparc_align_{loops,jumps,funcs}): New globals. + (sparc_override_options): Handle -malign-loops=, -malign-jumps=, + -malign-functions=. + (move_operand): Use SPARC_SETHI_P. + (arith_double_operand): Cast to unsigned HOST_WIDE_INT, then test. + (arith11_double_operand): Likewise. + (arith10_double_operand): Likewise. + (finalize_pic): Finish sparc64 support. + (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of + 64 bit constants if able. + (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD. + (sparc_builtin_saveregs [sparc64]): Don't save fp regs if ! TARGET_FPU. + * sparc.md: Use GEN_INT instead of gen_rtx. + (get_pc_sp32): Use for sparc64 as well. + (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts. + (sethi_di_sp64_const): Likewise. + (movtf_cc_sp64): Check TARGET_HARD_QUAD. + (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast. + (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise. + +Wed Sep 24 08:25:28 1997 Alexandre Oliva <oliva@dcc.unicamp.br> + + * i386.md (allocate_stack): Fix typo in last change. + +Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com> + + * sparc/linux-aout.h (COMMENT_BEGIN): Delete. + * sparc/linux.h (COMMENT_BEGIN): Likewise. + * sparc/linux64.h (COMMENT_BEGIN): Likewise. + +Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu> + + Add sparc64 linux support. + * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h + to xm_file list on 32-bit sparc-linux. + * sparc/xm-sp64.h: New file. + * sparc/linux64.h: New file. + * sparc/xm-linux.h: Include some standard headers if not inhibit_libc. + Don't include xm-sparc.h. + * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define. + * glimits.h (LONG_MAX): Handle sparc64. + +Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com> + + * final.c (final_end_function): Also do dwarf2 thing if + DWARF2_DEBUGGING_INFO. + (final_start_function): Likewise. + +Tue Sep 23 06:55:40 1997 David S. Miller <davem@tanya.rutgers.edu> + + * expmed.c (expand_divmod): If compute_mode is not same as mode, + handle case where convert_modes causes op1 to no longer be CONST_INT. + +Tue Sep 23 00:58:48 1997 Jim Wilson <wilson@cygnus.com> + + * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p. + +Mon Sep 22 18:26:25 1997 J. Kean Johnston <jkj@sco.com> + + * i386/sco5.h: Make ELF default file format and add -mcoff/-melf.. + (MULTILIB_DEFAULTS): Define. + (ASM_SPEC, CPP_SPEC): Handle -mcoff. + (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise. + (LIBGCC_SPEC): Likewise. + (MASK_COFF, TARGET_COFF, TARGET_ELF): Define. + (SUBTARGET_SWITCHES): Add -mcoff and -melf. + * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC. + (CRTSTUFF_T_CFLAGS_S): Tweak for COFF. + (EXTRA_PARTS, TAROUTOPTS): Delete. + (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete. + (MULTILIB_OPTIONS): Define. + (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise. + (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise. + +Mon Sep 22 14:42:11 1997 Jeffrey A Law (law@cygnus.com) + + * reg-stack.c (find_blocks): Fix thinko in last change. + +Mon Sep 22 16:22:41 1997 David S. Miller <davem@tanya.rutgers.edu> + + * combine.c (try_combine): Use NULL_RTX, not 0, in gen_rtx calls. + * cse.c (cse_main): Likewise. + * emit-rtl.c (gen_label_rtx): Likewise. + * expr.c (init_expr_once): Likewise. + * sched.c (schedule_insns): Likewise. + * varasm.c (immed_double_const): Likewise. + + * sparc.h (INCOMING_FRAME_SP_OFFSET): Define as SPARC_STACK_BIAS. + +Mon Sep 22 16:13:21 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * alpha/linux.h (HANDLE_SYSV_PRAGMA): Define. + +Mon Sep 22 16:02:01 1997 Benjamin Kosnik <bkoz@rhino.cygnus.com> + + * c-common.c (decl_attributes): Add support for TYPE_UNUSED on types. + * c-decl.c (finish_decl): Set TREE_USED on decls if TREE_USED on type. + * stmt.c (expand_end_bindings): Check DECL_NAME and DECL_ARTIFICIAL + before unused variable warning. + +Mon Sep 22 14:04:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtlanal.c (computed_jump_p): Fix typo in last change. + + * clipper.md (movstrsi): Use change_address instead of making new MEM. + * dsp16xx.md (movstrqi): Likewise. + * i370.md (movstrsi): Likewise. + * i860.md (movstrsi): Likewise. + * pa.md (movstrsi): Likewise. + * mips.md (movstrsi): Fix (unused) pattern in define_expand. + * pdp11.md (movstrhi): Likewise. + + * alpha.md (allocate_stack): Use virtual_stack_dynamic for result. + * i386.md (allocate_stack): Likewise. + * rs6000.md (allocate_stack): Likewise. + + * alpha.h (FLOAT_STORE_FLAG_VALUE): Different for VAX and IEEE float. + + * function.c (assign_parms): Make max_parm_reg handling more + precise and make it agree with size of parm_reg_stack_loc. + * integrate.c (save_for_inline_{nocopy,copying}): Remove + redundant assignment of max_parm_reg. + + * function.c (assign_parms): Properly set RTX_UNCHANGING_P for + copy of parm. + + * integrate.c (copy_rtx_and_substitute, case SET): Handle + a SET_DEST of the virtual fp or ap specially and undo + the adjustment into the local area as well. + (mark_stores): Don't wipe out map entries for virtual fp and ap. + + * alpha.h (FLOAT_STORE_FLAG_VALUE): Different for VAX and IEEE float. + + * emit-rtl.c (gen_lowpart): Handle ADDRESSOF. + +Mon Sep 22 13:35:56 1997 Doug Evans <dje@cygnus.com> + + * rtlanal.c (replace_regs): Fix up lossage in last patch. + +Sun Sep 21 19:28:48 1997 Jeffrey A Law (law@cygnus.com) + + * flow.c (jmp_uses_reg_or_mem): Deleted unused function. + (find_basic_blocks): Use computed_jump_p to determine if a + particular JUMP_INSN is a computed jump. + * reg-stack.c (find_blocks): Use computed_jump_p to determine + if a particular JUMP_INSN is a computed jump. + * rtlanal.c (jmp_uses_reg_or_mem): New function. + (computed_jump_p): Likewise. + * rtl.h (computed_jump_p): Declare. + * genattrtab.c (pc_rtx): Define and initialize. + + * cse.c (simplify_relational_operation): Set h0u just like h0s. + Similarly for h1u and h1s. + +Sun Sep 21 14:13:31 1997 Doug Evans <dje@cygnus.com> + + * function.c (instantiate_virtual_regs): Fix thinko in last patch. + +Sun Sep 21 10:33:26 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c, cpplib.c (special_symbol): If STDC_0_IN_SYSTEM_HEADERS + is defined, expand __STDC__ to 0 in system headers. + * i386/sol2.h, rs6000/sol2.h, sparc/sol2.h: + (STDC_0_IN_SYSTEM_HEADERS): New macro. + (CPP_SPEC): Remove -D__STDC__=0; it's no longer needed. + + * fixinc.math (_MATH_H_WRAPPER): Define at the end of the + wrapper, not the start, so that if #include_next gets another + instance of the wrapper, this will follow the #include_next + chain until we arrive at the real <math.h>. + + * fixproto (subdirs_made): New var, to keep track of which + subdirectories we've made (in reverse order). At the end, + attempt to rmdir them all, so that we don't create any empty + directories. + +Sun Sep 21 10:02:07 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * pa.c (move_operand): Respect -mdisable-indexing. + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. + +Sun Sep 21 09:29:23 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * function.c (purge_addressof_1): Don't convert (MEM (ADDRESSOF (REG))) + to (SUBREG (REG)) on big endian machines. + Don't fall through to substitute the inner (REG) unchanged + when the above conversion cannot be validated. + +Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com> + + * frame.c (__deregister_frame): Properly check for initialized object. + + * function.c (instantiate_virtual_regs): Instantiate + parm_reg_stack_locs. + +Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com> + + * sparc/sysv4.h (ASM_COMMENT_START): Delete. + * sparc.h (ASM_COMMENT_START): Define. + * sparc.c (output_function_prologue): Use it. + (sparc_flat_output_function_{epi,pro}logue): Likewise. + +Fri Sep 19 19:43:09 1997 Jeffrey A Law (law@cygnus.com) + + * loop.c (strength_reduce): Fix typo. + + * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__. + * mips.h, xm-rs6000.h, rs6000/xm-sysv4.h: Likewise. + +Fri Sep 19 20:10:30 1997 Doug Evans <dje@cygnus.com> + + * rtl.h (find_use_as_address): Delete accidentally added decl. + +Fri Sep 19 08:36:16 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * jump.c (thread_jumps): Check can_reverse_comparison_p before + threading a reversed-condition jump. + +Fri Sep 19 08:16:12 1997 Andrew M. Bishop <amb@gedanken.demon.co.uk>. + + * Add support for new -dI option for cxref, + * cccp.c (dump_includes): New variable. + (struct directive, directive_table): Remove members angle_brackets, + traditional_comments, pass_thru; all code using struct directive + now uses `type' member instead. + (IS_INCLUDE_DIRECTIVE_TYPE): New macro. + (main, handle_directive): Add support for new -dI option. + (do_ident): Avoid unnecessary alloca. + (do_pragma): Avoid unnecessary comparison to newline. + + * cpplib.h (struct cpp_options): New member dump_includes. + * cpplib.c (struct directive, directive_table): Remove members + traditional_comments, pass_thru; all code using struct directive + now uses `type' member instead. + (IS_INCLUDE_DIRECTIVE_TYPE): New macro. + (handle_directive, cpp_handle_options): Add support for new -dI option. + +Fri Sep 19 07:57:19 1997 Pat Rankin <rankin@eql.caltech.edu> + + * vax/xm-vms.h (expand_builtin_{extract,set}_return_addr): New macros. + +Fri Sep 19 07:47:29 1997 Nick Burrett <n.a.burrett@btinternet.com> + + * cpplib.c (pcstring_used, pcfinclude): Delete unused declarations. + (check_preconditions, print_containing_files, pipe_closed): Likewise. + (dump_defn_1, dump_arg_n, make_undef): Likewise. + (trigraph_pcp): Pre-process out decl. + (quote_string): Cast CPP_PWRITTEN macro to char * for sprintf. + (output_line_command): Likewise. + (macro_expand): Likewise. + (do_line): Cast atoi argument to char *. + * genattrtab.c (simplify_by_alternatives): Pre-process out decl. + * genpeep.c (gen_exp): Remove decl. + +Fri Sep 19 07:29:40 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * enquire.c (basic): Elminate dangling else warning. + * except.h (struct function, save_eh_status, restore_eh_status): + Don't declare. + * expr.c (clear_storage): Don't return without a value. + * function.h ({save,restore}_machine_status): Add proper prototype. + ({save,restore}_{tree,eh,stmt,expr,emit,storage}_status): Declare. + * real.h (real_value_truncate): Add proper prototype. + (target_isnan, target_isinf, target_negative, debug_real): Declare. + (assemble_real): Likewise. + * recog.c (strict_memory_address_p, memory_address_p): Don't declare. + (find_single_use_1): Add prototype. + * recog.h (init_recog, init_recog_no_volatile): Declare. + (check_asm_operands, constrain_operands, memory_address_p): Likewise. + (strict_memory_address_p, validate_replace_rtx): Likewise. + (reg_fits_class_p, find_single_use, general_operand): Likewise. + (address_operand, register_operand, scratch_operand): Likewise. + (immediate_operand, const_int_operand, const_double_operand): Likewise. + (nonimmediate_operand, nonmemory_operand, push_operand): Likewise. + (memory_operand, indirect_operand, mode_independent_operand): Likewise. + (comparison_operator, offsettable_{,nonstrict_}memref_p): Likewise. + (offsettable_address_p, mode_dependent_address_p, recog): Likewise. + (add_clobbers): Likewise. + * reload.h (strict_memory_address_p): Don't declare here. + * rtl.h (struct rtvec_def): Make num_elem an integer. + (PUT_NUM_ELEM): Delete cast to unsigned. + (rtx_unstable_p, rtx_varies_p, reg_mentioned_p): Declare. + (reg_{referenced,used_between,referenced_between}_p: Likewise. + ({reg_set,modified,no_labels}_between_p, modified_in_p): Likewise. + (reg_set_p, refers_to_regno_p, reg_overlap_mentioned_p): Likewise. + (note_stores, rtx_equal_p, dead_or_set{,_regno}_p): Likewise. + (remove_note, side_effects_p, volatile_{refs,insn}_p): Likewise. + (may_trap_p, inequality_comparison_p): Likewise. + * rtlanal.c (note_stores, reg_set_p): Don't declare. + (rtx_addr_can_trap_p): Add prototype, make static. + (reg_set_p_1): Add declaration for parameter pat. + * emit-rtl.c: Include recog.h. + * integrate.c: Likewise. + * jump.c: Likewise. + * unroll.c: Likewise. + * Makefile.in (emit-rtl.o, integrate.o, jump.o, unroll.o): Depend + on recog.h. + +Fri Sep 19 06:52:22 1997 Paul Eggert <eggert@twinsun.com> + + * enquire.c (SYS_FLOAT_H_WRAP): New macro. + Include "float.h" if SYS_FLOAT_H_WRAP is nonzero. + (f_define): New argument `req'. + (main): Output `#include_next <float.h>' if wrapping float.h. + (i_define, f_define): Don't output anything if wrapping float.h + and if the system defn is already correct. Put other value tests + inside `#ifdef VERIFY'. + (UNDEFINED): New macro. + (I_MAX, I_MIN, U_MAX, F_RADIX, F_MANT_DIG, F_DIG, F_ROUNDS): + Define even if VERIFY isn't defined, because SYS_FLOAT_H_WRAP may need + these values. Give them the value UNDEFINED if not already defined. + (F_EPSILON, F_MIN_EXP, F_MIN, F_MIN_10_EXP, F_MAX_EXP): Likewise. + (F_MAX, F_MAX_10_EXP): Likewise. + (FPROP): Prefer system float.h definition of F_ROUNDS. + Pass system values to f_define. + * Makefile.in (FLOAT_H_TEST): New var. + (float.h-nat): Make it empty if we can use the system float.h without + change. + (enquire.o): Define SYS_FLOAT_H_WRAP=1 if we can build a wrapper + around the system <float.h>. Remove include/float.h before compiling. + (stmp-headers): Remove include/float.h if we would just be installing + an empty file (which is a placeholder that stands for no file). + + * fix-header.c: Don't munge headers for POSIX and XOPEN, + as this is too error-prone. + (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): New macros, normally undefed. + (POSIX1_SYMBOL, POSIX2_SYMBOL): Now 0 unless ADD_MISSING_POSIX. + (XOPEN_SYMBOL, XOPEN_EXTENDED_SYMBOL): Now 0 unless ADD_MISSING_XOPEN. + (main): Ignore symbols whose flags are 0. + +Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com> + + * v850.c (compute_register_save_size): Correct register number. + * v850.md (save_interrupt, return_interrupt): Likewise. + * v850/lib1funcs.asm (save_interrupt): Likewise. + (return_interrupt): Use stack pointer, not element pointer. + +Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com> + + * final.c (final_scan_insn): Hand BARRIERs to dwarf2 code. + * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along. + (dwarf2out_stack_adjust): A BARRIER resets the args space to 0. + + * except.c (end_eh_unwinder): Subtract 1 from return address. + * libgcc2.c (__throw): Likewise. + (find_exception_handler): Don't change PC here. Compare end with >. + +Thu Sep 18 14:01:20 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * configure.in: Make sure to create the stage* and include + symbolic links in each subdirectory. + +Thu Sep 18 13:20:37 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh/lib1funcs.asm (LOCAL): Define. + (whole file): Use it. + +Thu Sep 18 09:52:24 1997 Benjamin Kosnik <bkoz@beauty.cygnus.com> + + * collect2.c (collect_execute): Specify name of new file when + redirecting stdout/stderr. + +Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (reload_peepholes): Don't allow addresses with side + effects for the memory operand. + +Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com> + + * libgcc2.c (find_exception_handler): Subtract one from our PC when + looking for a handler, to avoid hitting the beginning of the next + region. + + * except.c (expand_builtin_set_return_addr_reg): Use force_operand. + +Wed Sep 17 18:23:09 1997 Jeffrey A Law (law@cygnus.com) + + * mips/abi64.h (LONG_MAX_SPEC): Define. + * mips.h (LONG_MAX_SPEC): Define. + (CPP_SPEC): Include long_max_spec. + (EXTRA_SPECS): Include long_max_spec. + +Wed Sep 17 14:17:26 1997 Paul Eggert <eggert@twinsun.com> + + * configure.in (AC_CHECK_HEADERS): Add inttypes.h, limits.h. + ({sparc,i[3456]86,powerpcle}-*-solaris2*): Use fixinc.math. + + * fixinc.math (PWDCMD, ORIGDIR, LINKS): Remove. + Remove duplicate test for missing $1. + Don't cd to $INPUT. + Build wrapper around system <math.h> instead of copying it; + this is better if the system <math.h> is updated later by a software + patch or upgrade. + + * cccp.c (HAVE_STDLIB_H, HAVE_UNISTD_H): + Do not define any more; now autoconfed. + <limits.h>: Include if HAVE_LIMITS_H. + (HOST_BITS_PER_WIDE_INT): Remove. + (HOST_WIDE_INT): Use intmax_t or long long if available. + (pcfinclude): Use size_t, not HOST_WIDE_INT, for cast from pointer; + this is less likely to annoy the compiler. + + * cexp.y (HAVE_STDLIB_H): Do not define any more; now autoconfed. + <limits.h>: Include if HAVE_LIMITS_H. + (HOST_WIDE_INT): Use intmax_t or long long if available. + (unsigned_HOST_WIDE_INT, CHAR_BIT): New macros. + (HOST_BITS_PER_WIDE_INT): Define in terms of CHAR_BIT and sizeof. + (MAX_CHAR_TYPE_MASK, MAX_CHAR_TYPE_MASK): Rewrite so that we don't use + HOST_BITS_PER_WIDE_INT in a preprocessor expression, since it now + uses sizeof. + + * cppexp.c: <limits.h>: Include if HAVE_LIMITS_H. + (HOST_WIDE_INT): Use intmax_t or long long if available. + (CHAR_BIT): New macro. + (HOST_BITS_PER_WIDE_INT): Define in terms of CHAR_BIT and sizeof. + * cpplib.c: <limits.h>: Include if HAVE_LIMITS_H. + (HOST_WIDE_INT): Use intmax_t or long long if available. + (HOST_BITS_PER_WIDE_INT): Remove. + +Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com) + + * v850.c (construct_save_jarl): Fix thinko in last change. + +Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com> + + * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete, + use sparc.h's copies. + * sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print ascii form + as well. + +Wed Sep 17 14:08:20 1997 Nick Burrett <nick.burrett@btinternet.com> + + * explow.c (allocate_dynamic_stack_space): Make allocate_stack + pass 'target' as an extra operand. + * expr.c (expand_builtin_apply): Use allocate_dynamic_stack_space + to push a block of memory onto the stack. + * alpha.md (allocate_stack): Alter in accordance with new operand. + * i386.md (allocate_stack): Likewise. + * rs6000.md (allocate_stack): Likewise. + +Wed Sep 17 13:34:43 1997 Robert Lipe <robertl@dgii.com> + + * i386/xm-sco5.h (sys_siglist, SYS_SYGLIST_DECLARED): Define. + +Wed Sep 17 13:27:05 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (native): Correct dependency to auto-config.h from + config.h. + +Tue Sep 16 10:02:02 1997 Jason Merrill <jason@yorick.cygnus.com> + + * libgcc2.c (find_exception_handler): Not found is -1. + + * integrate.c (expand_inline_function): Move expand_start_bindings + after expanding the arguments. + + * i386.c (ix86_prologue): Pass SYMBOL_REF to + gen_prologue_{get_pc,set_got}. + * i386.md (prologue_set_got, prologue_get_pc): Adjust. + +Tue Sep 16 07:33:15 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (make_range): Correctly handle cases of converting + from unsigned to signed type. + + * function.c (flush_addressof): New function. + + * combine.c (num_sign_bit_copies): If asking about wider mode, + treat like paradoxical subreg. + +Tue Sep 16 00:26:52 1997 Jeffrey A Law (law@cygnus.com) + + * cse.c (simplify_relational_operation): If MODE specifies mode wider + than HOST_WIDE_INT, high word of CONST_INT is derived from sign bit + of low word. + +Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com> + + * v850.c ({register,pattern}_is_ok_for_epilogue): New functions. + (construct_{save,restore}_jr, pattern_is_ok_for_prologue): Likewise. + * v850.h (pattern_is_ok_for_{pro,epi}logue): New predicates. + (register_is_ok_for_epilogue): Likewise. + * v850.md: Replace prologue and epilogue patterns with a + match_parallel pattern. + * v850.c (output_move_single_unsigned): Cope with zero + extending and moving between registers at the same time. + +Mon Sep 15 22:02:46 1997 Jeffrey A Law (law@cygnus.com) + + * fixinc.math: New file to fix math.h on some systems. + * configure.in (*-*-freebsd*, *-*-netbsd*): Use fixinc.math on these + systems. + +Mon Sep 15 18:58:36 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sched.c (update_flow_info) When looking if to set found_split_dest + or found_orig_dest, look at all parts of a PARALLEL. + + * sh.md (casesi_0): Reduce functionality, exclude insns from + mova onwards. Changed expander caller. + (casesi_worker_0): New insn. + (casesi_worker_0+[12]): New define_splits. + (casesi_worker): Need no gen_* function. + (casesi): Use casesi_worker_0 instead of casesi_worker. + * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p. + +Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com> + + Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86. + * dwarf2.h: Add DW_CFA_GNU_args_size. + * frame.c (execute_cfa_insn): Likewise. + * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise. + (dwarf2out_args_size, dwarf2out_stack_adjust): New fns. + (dwarf2out_frame_debug): If this isn't a prologue or epilogue + insn, hand it off to dwarf2out_stack_adjust. + (dwarf2out_begin_prologue): Initialize args_size. + * frame.h (struct frame_state): Add args_size. + * libgcc2.c (__throw): Use args_size. + * final.c (final_scan_insn): If we push args, hand off all insns + to dwarf2out_frame_debug. + * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS. + + * dwarf2out.c (dwarf2out_frame_debug): Fix typo. + Handle epilogue restore of SP from FP. + * emit-rtl.c (gen_sequence): Still generate a sequence if the + lone insn has RTX_FRAME_RELATED_P set. + + * frame.c (extract_cie_info): Handle "e" augmentation. + * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the + absence of UNALIGNED_*_ASM_OP. + (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF. + (output_call_frame_info): Use "e" instead of "z" for augmentation. + Don't emit augmentation fields length. + (dwarf2out_do_frame): Move outside of #ifdefs. + * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data + opcodes. + + * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all. + * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here. + * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0. + * sparc/sun4gas.h: New file. + * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as. + + * collect2.c (write_c_file_stat, write_c_file_glob): Declare + __register_frame_table and __deregister_frame. + +Mon Sep 15 19:04:34 1997 Brendan Kehoe <brendan@cygnus.com> + + * except.c (find_exception_handler_labels): Use xmalloc instead of + alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million + in some cases. + +Sat Sep 13 23:13:51 1997 Paul Eggert <eggert@twinsun.com> + + * cpplib.h (PARAMS): Fix misspelling of __STDC__. + (cpp_get_token): Arg is cpp_reader *, not struct parse_marker *. + + * cpplib.c (cpp_fatal, cpp_file_line_for_message): New decls. + (ppp_hash_cleanup, cpp_message, cpp_print_containing_files): Likewise. + (copy_rest_of_line): Fix typo that prevented recognition of + C++ style comments. + (output_line_command, special_symbol): Use %ld for long, not %d. + + * cppexp.c (xrealloc): Declare first arg as void *, not char *. + (cpp_lex): Cast 2nd arg of cpp_parse_escape from const char ** to + char **. + +Fri Sep 12 16:54:04 1997 Doug Evans <dje@cygnus.com> + + * bitmap.h (bitmap_print): Don't use STDIO_PROTO. + +Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com> + + * except.h: Prototype dwarf2 hooks. + * expr.c: Adjust. + +Thu Sep 11 18:36:51 1997 Jim Wilson <wilson@cygnus.com> + + * local-alloc.c (contains_replace_regs): New function. + (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM, + verify that there is no existing REG_EQUIV note, and add a call to + contains_place_regs. + + * m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Add __HPUX_ASM__ versions. + +Wed Sep 10 21:49:38 1997 Michael Meissner <meissner@cygnus.com> + + * toplev.c (rest_of_compilation): For passes starting with + flow_analysis, use print_rtl_with_bb instead of print_rtl. + * print-rtl.c (print_rtl_single): Print a single rtl value to a + file. + * flow.c (print_rtl_with_bb): Print which insns start and end + basic blocks. For the start of a basic block, also print the live + information. + * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over + two bitmaps ANDed together. + (bitmap_print): Declare. + * bitmap.c (function_obstack): Don't declare any more. + (bitmap_obstack): Obstack for allocating links from. + (bitmap_obstack_init): New static to say whether to initialize + bitmap_obstack. + (bitmap_element_allocate): Use bitmap_obstack to allocate from. + (bitmap_release_memory): Free all memory allocated from + bitmap_obstack. + (toplevel): Conditionally include stdlib.h. + (free): Provide a declaration if NEED_DECLARATION_FREE. + + * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke + EXECUTE_IF_AND_IN_BITMAP. + +Wed Sep 10 17:53:33 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (addr_diff_vec_adjust): Properly propagate considered + address changes through alignments. + +Wed Sep 10 13:10:52 1997 Per Bothner <bothner@cygnus.com> + + * stor-layout.c (layout_type): Simplify special BOOLEAN_TYPE handling. + +Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com> + + * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum() + if DWARF2_UNWIND_INFO. + +Wed Sep 10 15:43:10 1997 Jason Merrill <jason@yorick.cygnus.com> + + * cplus-dem.c (demangle_fund_type): Change "complex" to "__complex". + +Wed Sep 10 11:13:53 1997 Paul Eggert <eggert@twinsun.com> + + Handle `extern int errno;' correctly when fixing <errno.h>. + * fix-header.c (recognized_extern): Use name_length when comparing. + * scan-decls.c (scan_decls): Don't ignore the first CPP_NAME in a + declaration, so that we see the `extern' in `extern int errno;'. + +Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com> + + Add support for exception handling using DWARF 2 frame unwind info. + * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr, + next_stack_level, in_reg_window): Helper fns. + (__throw): Implement for DWARF2_UNWIND_INFO. + + * expr.c (expand_builtin): Handle builtins used by __throw. + * tree.h (enum built_in_function): Add builtins used by __throw. + * c-decl.c (init_decl_processing): Declare builtins used by __throw. + * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw. + * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw. + (expand_builtin_extract_return_addr): Likewise. + (expand_builtin_frob_return_addr): Likewise. + (expand_builtin_set_return_addr_reg): Likewise. + (expand_builtin_eh_stub): Likewise. + (expand_builtin_set_eh_regs): Likewise. + (eh_regs): Choose two call-clobbered registers for passing back values. + + * frame.c, frame.h: New files for parsing dwarf 2 frame info. + * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c. + (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS) + (stmp-multilib): Likewise. + ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions. + + * except.c: #include "defaults.h". + (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO. + (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO. + (register_exception_table_p): New fn. + (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO. + (end_eh_unwinder): Likewise. + + * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP, + call __register_frame and __deregister_frame as needed. + * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP. + * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check + EH_FRAME_SECTION_ASM_OP. + * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define. + * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define. + (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols. + + * dwarf2out.c (output_call_frame_info): If no support for + EXCEPTION_SECTION, mark the start of the frame info with a + collectable tag. + * collect2.c (frame_tables): New list. + (is_ctor_dtor): Recognize frame entries. + (scan_prog_file): Likewise. + (main): Pass -fno-exceptions to sub-compile. Also do collection + if there are any frame entries. + (write_c_file_stat): Call __register_frame_table and + __deregister_frame as needed. + (write_c_file_glob): Likewise. + + * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported. + Also require unaligned reloc support. + * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP): Define here. + * sparc/sysv4.h: Not here. + + * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}. + * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init. + (dwarf2out_finish): Don't call dwarf2out_frame_finish. + + * libgcc2.c (L_eh): Reorganize, moving code shared by different + EH implementations to the top. + (find_exception_handler): Split out. Start from 0. Compare against + end with >=. + (__find_first_exception_table_match): Use it. + * except.c (output_exception_table): Don't do anything if there's + no table. Don't output a first entry of zeroes. + (eh_outer_context): Adjust properly. + (add_eh_table_entry): Use xrealloc. + * toplev.c (compile_file): Just call output_exception_table. + +Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (save_varasm_status): Take the target function context. + * function.c (push_function_context_to): Pass it in. + + * rtl.def (ADDRESSOF): Add new field for original regno. + * function.c (put_reg_into_stack and callers): Add original_regno + argument. + (gen_mem_addressof): Remember the original regno. + * rtl.def (INLINE_HEADER): Add new field for parm_reg_stack_loc. + * rtl.h (PARMREG_STACK_LOC): New macro. + (ADDRESSOF_REGNO): New macro. + * emit-rtl.c (gen_inline_header_rtx): Add parm_reg_stack_loc. + * function.c (max_parm_reg, parm_reg_stack_loc): No longer static. + (assign_parms): Allocate parm_reg_stack_loc on saveable obstack. + * integrate.c (output_inline_function): Set max_parm_reg and + parm_reg_stack_loc from inline header. + (initialize_for_inline): Pass in parm_reg_stack_loc. + +Wed Sep 10 11:30:36 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (override_options): Don't set TARGET_SCHEDULE_PROLOGUE + (ix86_expand_prologue, ix86_expand_epilogue): Emit rtl by default. + +Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com> + + * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case. + +Wed Sep 10 08:48:44 1997 Jeffrey A Law (law@cygnus.com) + + * xm-m88k.h (USG): Only define if it hasn't already been defined. + + * i386.h (CPP_CPU_DEFAULT): Avoid using #elif. + + * expr.c (do_jump_by_parts_equality_rtx): Don't clobber the + source operand when performing an IOR of the parts. + + * expr.c (emit_block_move): Always return a value. + + * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx. + when clearing non-BLKmode data. + + * final.c (shorten_branches): Remove last change for ADDR_VEC + alignment computation. During first pass, assume worst + possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns. + +Wed Sep 10 09:33:19 1997 Kamil Iskra <iskra@student.uci.agh.edu.pl> + + * explow.c (emit_stack_save, emit_stack_restore): Correctly + handle HAVE_{save,restore}_stack_* evaluating to 0. + +Wed Sep 10 09:27:45 1997 Weiwen Liu <liu@hepvms.physics.yale.edu> + + * Makefile.in (sdbout.o): Add dependency on insn-config.h. + +Wed Sep 10 09:24:56 1997 Nick Burrett <n.a.burrett@btinternet.com> + + * sched.c (birthing_insn_p): Rename prototype decl from birthing_insn. + * final.c (leaf_renumber_regs, alter_cond): Declare prototype only + if LEAF_REGISTERS is defined. + * reload1.c (merge_assigned_reloads): Declare prototype only if + SMALL_REGISTER_CLASSES is defined. + * loop.c (replace_call_address): Pre-process out prototype decl. + * real.c (dectoe, etodec, todec): Declare proto if DEC is defined + (ibmtoe, etoibm, toibm): Declare proto if IBM is defined + +Wed Sep 10 09:13:51 1997 Manfred Hollstein <manfred@s-direktnet.de> + + * configure.in (out_file): Emit definition to config.status. + +Wed Sep 10 08:37:56 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (shorten_branches): Fix alignment calculation. + Don't count the lengths of deleted instructions. + +Wed Sep 10 08:34:11 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpplib.c (cpp_start_read): Make known_suffixes static. + +Wed Sep 10 08:27:05 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.c (print_operand_address) [MOTOROLA]: When compiling + with -fpic (not -fPIC) force the GOT offset to 16 bits. + +Wed Sep 10 08:22:51 1997 Christian Iseli <chris@lslsun.epfl.ch> + + * expr.c (convert_move): Add missing use of trunctqtf2. + +Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se> + + * except.c (eh_outer_context): Do masking using expand_and. + +Wed Sep 10 07:52:21 1997 Joel Sherrill <joel@OARcorp.com> + + * pa/rtems.h (subtarget_switches): Removed -mrtems subtarget_switch. + * configure.in (sh*-*-rtems*): New target. + * sh.h (TARGET_SWITCHES: Call SUBTARGET_SWITCHES. + (SUBTARGET_SWITCHES): Provide default definition. + +Wed Sep 10 06:33:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * i386/mingw32.h ({LIB,LINK}_SPEC): Check for -mwindows, not -windows. + + * alpha/vms.h (ASM_OUTPUT_SECTION): Clear NAME if overlaid. + + * c-parse.in (unary_expr): Test DECL_C_BIT_FIELD, not DECL_BIT_FIELD. + * c-typeck.c (default_conversion): Likewise. + + * tree.c (contains_placeholder_p, substitute_in_expr): + Handle placeholders inside args of CALL_EXPR (and hence in TREE_LIST). + + * expr.c (expand_expr, case PLACEHOLDER_EXPR): Check all + expressions in placeholder_list. + +Tue Sep 9 18:10:30 1997 Doug Evans <dje@cygnus.com> + + Add port done awhile ago for the ARC cpu. + * arc.h, arc.c, arc.md, t-arc, xm-arc.h: New files. + * arc/initfini.c, arc/lib1funcs.asm: New files. + * ginclude/va-arc.h: New file. + * ginclude/stdarg.h: Include va-arc.h ifdef __arc__. + * ginclude/varargs.h: Likewise. + * Makefile.in (USER_H): Add va-arc.h. + * configure.in (arc-*-elf*): Recognize. + * longlong.h: Add ARC support. + +Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com> + + * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of + write_symbols. + +Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com> + + * v850.h (ASM_SPEC): Pass on target processor. + (CPP_PREDEFINES): Only define if not already specified. + (TARGET_VERSION): Only define if not already specified. + (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target + processor. + (EXTRA_SWITCHES): Extra entries in the switches array. + (TARGET_DEFAULT): Set default target processor. + +Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in (alpha*-*-*): Support pca56 and ev6. + + * varasm.c (named_section): Set in section after writing directive. + * dwarf2out.c (output_call_frame_info): Call named_section. + +Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com> + + * mips.c (function_prologue): Set up the CFA when ABI_32. + + * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG + for dwarf2 unwind info. + (output_function_prologue, sparc_flat_output_function_prologue): Same. + + * final.c (final_end_function): Check dwarf2out_do_frame instead + of DWARF2_DEBUG for dwarf2 unwind info. + (final_scan_insn): Likewise. + (final_start_function): Likewise. Initialize dwarf2 frame debug here. + (final): Not here. + + * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if + count > 0. + + * varasm.c (exception_section): Check EXCEPTION_SECTION first. + +Mon Sep 8 14:58:07 1997 Jim Wilson <wilson@cygnus.com> + + * toplev.c (main): Change #elif to #else/#ifdef + + * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC. + +Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.h (processor_type): Add EV6. + ({TARGET,MASK}_BWX): Renamed from _BYTE_OPS. + ({TARGET,MASK}_{CIX,MAX}): New macros. + (MASK_CPU_EV5): Change bit number. + (MASK_CPU_EV6, {TARGET,MASK}_SUPPORT_ARCH): New macros. + (TARGET_OPTIONS): Rename "byte" to "bwx" and add "cix" and "max". + (MINIMUM_ATOMIC_ALIGNMENT): Rename TARGET_BYTE_OPS to TARGET_BWX. + (SECONDARY_{INPUT,OUTPUT}_RELOAD_CLASS, ASM_FILE_START): Likewise. + (SECONDARY_MEMORY_NEEDED): Not needed if CIX. + (ASM_FILE_START): Only write if TARGET_SUPPORT_ARCH. + Add "pca56" and "ev6". + * alpha.c (input_operand): Rename TARGET_BYTE_OPS to TARGET_BWX. + (override_options): Likewise; also add new CPU types and subset flags. + * alpha.md: Rename TARGET_BYTE_OPS to TARGET_BWX. + (cpu attr): Add "ev6". + (ev5 function units): Use for ev6 as well, for now. + (ffsdi2): New define_expand and define_insn, for TARGET_CIX. + (sqrt[sd]f2): New patterns, for TARGET_CIX. + (s{min,max}[qh]i3): New patterns, for TARGET_MAX. + (movsi): Use ldf/lsf when appropriate, instead of lds/sts. + (mov[sd]i): Add use of ftio/itof for TARGET_CIX. + * configure.in (alpha*-dec-osf*): Set MASK_SUPPORT_ARCH for >= 4.0B. + Rename MASK_BYTE_OPS to MASK_BWX. + + * i386/mingw32.h (STANDARD_INCLUDE_DIR): New macros. + (STARTFILE_SPEC, PATH_SEPARATOR): Likewise. + + * configure.in (AC_PROG_LN_S): Remove; unneeded. + (*cygwin32*, *mingw32*): Default prefix to /usr. + (symbolic_link): Set to "cp -p" if no "ln -s"; add AC_SUBST. + (configure.lang call): Change remaining use of config.h to auto-conf.h. + + * Makefile.in (LN): Add new symbol. + (FLAGS_TO_PASS): Pass it down. + (stage[1-4]-start): Use $(LN), not "ln -s". + + * mips.h (flag_omit_frame_pointer, frame_pointer_needed, optimize): + Remove declarations: no longer needed. + * pyr.md: Remove unneeded declarations of `optimize'. + * h8300.md: Likewise. + * sparc.c (dwarf2out_cfi_label): Add declaration. + (save_regs, output_function_prologue): Remove cast for it. + (sparc_flat_{save_restore,output_function_prologue): Likewise. + ({save,restore}_regs): No longer inline. + +Mon Sep 8 03:08:35 1997 Jim Wilson <wilson@cygnus.com> + + * i960.h (LINK_SPEC): Handle -mjX and -mrp switches. + + * mips.md (nonlocal_goto_receiver): Define. + + * unroll.c (calculate_giv_inc): Handle increment with code PLUS. + + * alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS + is passed in. + * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to + SFmode for 64 bit hosts. + + * profile.c (output_arc_profiler): Verify next_insert_after is an + INSN before and after skipping a stack pop. Check next_insert_after + for non NULL before deferencing it. + (output_func_start_profiler): Set DECL_EXTERNAL to zero. + + * va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif. + + * m68k.md (iorsi_zexthi_ashl16): Disable. + + * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs. + +Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL + prologue insn, only the first elt is significant. + (output_call_frame_info): For exception handling, always use 4-byte + fields as specified by the dwarf2 spec. + Don't skip trivial FDEs. + +Sun Sep 7 03:35:28 1997 Paul Eggert <eggert@twinsun.com> + + * fix-header.c (std_include_table): Remove bogus entry for popen + under stdio.h with ANSI_SYMBOL. popen is a POSIX2_SYMBOL. + +Fri Sep 5 17:19:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (movsf_ie+1): Typo fix. + +Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com) + + * v850: New directory for v850 port. + * v850/lib1funcs.asm: New file. + * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files. + * ginclude/va-v850.h: New file. + * varargs.h, stdarg.h: Include va-mn10200.h. + * configure.in (mn10200-*-*): New target. + * Makefile.in (USER_H): Add va-mn10200.h. + + * xm-svr4.h (SYS_SIGLIST_DECLARED): Define. + * mips/xm-news.h (SYS_SIGLIST_DECLARED): Define. + * mips/xm-sysv4.h (SYS_SIGLIST_DECLARED): Define. + +Fri Sep 5 03:50:15 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (fma patterns): Extend previous -mno-fused-madd + patch to DFmode patterns inadvertently omitted. + +Thu Sep 4 20:06:02 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE> + + * sparc.md: Add ultrasparc scheduling support. + * sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns. + +Wed Sep 3 20:56:24 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Define. + +Wed Sep 3 20:52:07 1997 Joel Sherrill <joel@OARcorp.com> + + * sh/rtems.h: New file. + +Wed Sep 3 17:30:36 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * reg-stack.c (subst_stack_regs): Pop the stack register for a + computed goto which sets the same stack register. + +Wed Sep 3 17:30:36 1997 Jim Wilson <wilson@cygnus.com> + + * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic. + +Wed Sep 3 11:25:19 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (reload peepholes): Fix typo in last change. + +Wed Sep 3 03:02:02 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (movsi_ie): Move t/r alternative after r/r alternative. + +Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com) + + * cccp.c (sys_errlist): Remove special 4.4bsd declaration. + * collect2.c (sys_errlist): Likewise. + * cpplib.c (sys_errlist): Likewise. + * gcc.c (sys_errlist): Likewise. + * protoize.c (sys_errlist): Likewise. + * configure.in: Check for strerror. + * xm-freebsd.h (HAVE_STRERROR): Remove definition. + * xm-gnu.h (HAVE_STRERROR): Likewise. + * xm-linux.h (HAVE_STRERROR): Likewise. + * xm-netbsd.h (HAVE_STRERROR): Likewise. + * alpha/xm-linux.h (HAVE_STRERROR): Likewise. + * i386/xm-bsd386.h (HAVE_STRERROR): Likewise. + * i386/xm-cygwin32.h (HAVE_STRERROR): Likewise. + * i386/xm-dos.h (HAVE_STRERROR): Likewise. + * i386/xm-mingw32.h (HAVE_STRERROR): Likewise. + * pa/xm-pa.h (HAVE_STRERROR): Likewise. + * pa/xm-papro.h (HAVE_STRERROR): Likewise. + * rs6000/xm-cygwin32.h (HAVE_STRERROR): Likewise. + * rs6000/xm-sysv4.h (HAVE_STRERROR): Likewise. + + * collect2.c (SYS_SIGLIST_DECLARED): Renamed from + DONT_DECLARE_SYS_SIGLIST. + * mips-tfile.c (SYS_SIGLIST_DECLARED): Likewise. + * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition. + * xm-freebsd.h (DONT_DECLARE_SYS_SIGLIST): Likewise. + * alpha/xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition. + * i386/xm-bsd386.h (DONT_DECLARE_SYS_SIGLIST): Likewise. + * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Likewise. + * mips/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Likewise. + * rs6000/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Likewise. + * sparc/xm-sol2.h (DONT_DECLARE_SYS_SIGLIST): Likewise. + * configure.in: Check for sys_siglist declaration. + + * Makefile.in (libgcc2.a): Add missing "else true" clause. + (stage{1,2,3,4}-start): Likewise. + + * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions + are relative to the next instruction, not the current instruction. + +Tue Sep 2 14:15:32 1997 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (xrealloc): Handle null ptr. + +Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU> + + * fixincludes: Permits spaces between # and define. Discard C++ + comments in sys/pci.h on HP/UX 10.20. + +Tue Sep 2 09:28:31 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record. + +Tue Sep 2 00:19:01 1997 Jason Merrill <jason@yorick.cygnus.com> + + * expr.c (expand_expr, case COND_EXPR): It's OK to merge two + SAVE_EXPRs. + +Mon Sep 1 23:36:45 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (restore_unscaled_index_insn_codes): New function. + (record_unscaled_index_insn_codes): Likewise. + (output_function_prologue): Call restore_unscaled_index_insn_codes. + (output_function_epilogue): Free memory for unscaled_index_insn_codes. + (pa_reorg): Call record_unscaled_index_insn_codes. + +Mon Sep 1 14:46:09 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (casesi_jump_1, casesi_jump2): Generate expanders. + (casesi_jump): Delete. + (casesi) Use gen_casesi_jump_1 and gen_casesi_jump2 instead of + gen_casesi_jump. + +Mon Sep 1 14:36:36 1997 Paul Eggert <eggert@twinsun.com> + + * sparc/sol2.h (CPP_SPEC): Add -D__STDC__=0 unless -ansi + or -traditional, for compatibility with Sun's practice. + * i386/sol2.h (CPP_SPEC), rs6000/sol2.h (CPP_SPEC): Likewise. + * configure.in ({sparc,i[3456]86,powerpcle}-*-solaris2*): + Set fixincludes=Makefile.in. + +Mon Sep 1 14:08:23 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * Makefile.in (config.status): Depend on version.c. + +Mon Sep 1 13:48:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * acconfig.h: Remove include of config2.h. + * configure.in: Build auto-config.h, not config.h, from autoconf data. + Add auto-conf.h in front of all other host_xm_file entries. + Make config.h, not config2.h, from host_xm_file. + * Makefile.in (auto-config.h): New rule; was config.h. + (distclean): Remove auto-config.h, not config2.h. + + * expr.c (do_jump_by_parts_equality_rtx): Try to do by IOR of + all the words. + +Mon Sep 1 13:07:36 1997 Bob Manson <manson@charmed.cygnus.com> + + * sparc/t-vxsparc (TARGET_LIBGCC2_CFLAGS): New definition. + (LIBGCC2_CFLAGS): Deleted. + * m68k/t-vxworks68: Likewise. + * i960/t-vxworks960: Likewise. + * a29k/t-vx29k: Likewise. + +Sun Aug 31 17:12:27 1997 Paul Eggert <eggert@twinsun.com> + + * real.c (EMULONG): Correct typo in spelling of HOST_BITS_PER_LONGLONG. + +Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com) + + * mips.md (movstrsi_internal[23]): Set insn type to "store" to + get more accurate schedules. + + * pa.md (reload_peepholes): Make sure operand is a REG before + examining REGNO. Allow general registers too. + +Thu Aug 28 12:34:56 1997 Doug Evans <dje@seba.cygnus.com> + + * reload1.c (reload_cse_no_longer_dead): Don't pass incremented regno + to SET_HARD_REG_BIT, it can be evaluated twice. + +Wed Aug 27 20:15:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh/elf.h: (LINK_SPEC): Use shlelf. + (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX, ASM_FILE_START): Redefine. + * sh/lib1funcs.asm (___ashrsi3, ___ashlsi3, ___lshrsi3): + Truncate shift count. Use braf if not SH1. + * sh.c (sfunc_uses_reg): No longer static. + Check for SImode inside the USE. + (shiftcosts, expand_ashiftrt, shl_sext_kind): + Use SH_DYNAMIC_SHIFT_COST. + (sh_dynamicalize_shift_p, output_branchy_insn): New functions. + (output_ieee_ccmpeq, mova_p, cache_align_p, fixup_aligns): Likewise. + (branch_offset, short_cbranch_p, med_branch_p): Likewise. + (braf_branch_p, align_length, fixup_addr_diff_vecs): Likewise. + (addr_diff_vec_adjust, get_dest_uid, gen_far_branch): Likewise. + (split_branches, regs_used, gen_block_redirect): Likewise. + (from_compare): Can't compare nonzero DImode constant directly. + Emit special code for TARGET_SH3E floating point with code == GE. + Force 0.0 into a register for SH3E. + (print_operand): Add ','. + Emit the actual comparison instruction. + (sh_builtin_saveregs): Save floating point registers in order that + allows pre-decrement. + (find_barrier): New arguments num_mova and mova. Changed caller. + When rewinding to before a mova, also restore the last found barrier. + Branch is now known to be shortened. + Prefer barriers where no new alignment is needed. + More generic alignment for cache lines. + Add checks for pieces of code that use more table space than their + own size. + Fix up the barrier we return so that the alignment will always be + after the table. + Remove limit adjustments for table alignment. + Handle PARALLELs correctly. + (machine_dependent_reorg): Add extra pass to split insns. + Don't scan instructions twice for broken moves. + Calculate insn length, call fixup_addr_diff_vecs. + Call split_branches. + Add alignment for loops and after BARRIERs. + Initialize max_uid_before_fixup_addr_diff_vecs. + Advance mdep_reorg_phase. + Clear insn_addresses. + (output_far_jump): Use braf and/or pre-allocated scratch register + when possible. + (expand_ashiftrt): Truncate shift count. + (push_regs): Push PR last. + (sh_expand_epilogue): Pop PR first. + (code_for_indirect_jump_scratch, mdep_reorg_phase): New variables. + (uid_align, uid_align_max): Likewise. + (max_uid_before_fixup_addr_diff_vecs, sh_addr_diff_vec_mode): Likewise. + (braf_label_ref_operand): New predicate. + (initial_elimination_offset): calculate offset from + RETURN_ADDRESS_POINTER_REGNUM starting with total_saved_regs_space. + (output_branch): Expect out-of-range condbranches to have been split. + * sh.md (rotlsi3_16): Named insn. + (rotlsi3): Rewritten to use superoptimizer patterns. + (adddi3, subdi3, ashrsi2_16, ashrsi2_31): Always split. + (movsi_i, movsi_ie): replace t/z alternative with t/r alternative. + Use pcload_si and load_si insn types. + (adddi3+1, subdi3+1, ashrsi2_16+1, ashrsi2_31+1) New define_splits. + (addc, subc, ashlsi_c): New insns. + (attribute "type"): New values dyn_shift, load_si, pcload_si, fmove, + jump_ind, arith3 and arith3b. + (function_unit "fp"): Take fmove into account. + (function_unit "int"): Uses one cycle for !dyn_shift. + (function_unit "memory"): Special case for load_si and pcload_si. + (attribute "in_delay_slot): handle pcload_si. + (cmpgtdi_t, cmpgedi_t, cmpgeudi_t, cmpgtudi_t): Type arith3. + (cmpsi+1, cmpeqdi_t) Type arith3b. + (movsf_ie, alternatives f/fGH/X, f/y/X, y/f/X): Type fmove. + (extendsidi2): Delete. + (cmpeqsi_t-2): Delete. (Redundant with movt.) + (*rotlhi3_8) Name. + (iorsi3, rotlsi3_1, rotlsi3_31, rotlsi3_16, (*rotlhi3_8): Type arith. + (ashlsi3_k, ashlhi3_ki, ashrsi2_16, ashrsi2_31, lshrsi3_m): Likewise. + (lshrsi3_k, lshrhi3_m, lshrhi3_k, ashldi3_k, lshrdi3_k): Likewise. + (ashrdi3_k, xtrct_left, xtrct_right, dect, mova, movt): Likewise. + (movt): Likewise. + (ashlsi3_d, ashrsi3_d, lshrsi3_d): Type dyn_shift. + (indirect_jump_scratch, *casesi_jump_1, *casesi_jump_2): Type jump_ind. + (ashlsi3, ashlsi3_n, lshrsi3, lshrsi3_n): Use sh_dynamicalize_shift_p. + (movsf_ie+1, movsf_ie+2): Exchange. + (cmpeqdi_t-1, cmpeqdi_t, cmpgtdi_t, cmpgedi_t): New insns. + (cmpgeudi_t, cmpgtudi_t, movsi_i_lowpart, ieee_ccmpeqsf_t): Likewise. + (cmpdi, movnegt): New define_expands. + (movsi_ie): Add y,y alternative. + (sge): Use it for ! TARGET_IEEE. Use special code for TARGET_IEEE. + (sle): Use sge. + (align_4, casesi_jump): Now define_expand. + (casesi_0, addr_diff_vec_adjust, align_log): New patterns. + (*casesi_jump_[12]): Likewise. + (casesi): Use casesi_0 and casesi_jump. + (casesi_worker): Depends on the mode used for the table. + (define_delay for cbranches): Test TARGET_SH2. + Changed all callers of from_compare. + (attribute "length"): Take use of braf and scratch registers into + account. + (indirect_jump_scratch, block_branch_redirect): New patterns. + (jump): Call output_far_jump for any jump larger than 4 bytes. + (inverse_branch_true, inverse_branch_false): Remove. + (bne, blt, ble, bltu, bleu): Canonicalize. + (attribute "cpu"): Remove "sh0" alternative. + * sh.h (ADJUST_COST): Lower cost of non-address sfunc dependencies. + Adjust cost of load_si / pcload_si insns when not used for call. + (enum reg_class): Move GENERAL_REGS after FPUL_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise. + (REGISTER_MOVE_COST): Add costs for fpul <-> mac, pr moves. + Fix to match default cost in regclass. Move to T reg not costly. + When checking for GENERAL_REGS, check for R0_REGS too. + (INITIALIZE_TRAMPOLINE): Include code for constant parts. + (SHIFT_COUNT_TRUNCATED): Not true for TARGET_SH3. + (CPP_SPEC): Define __sh1__ if no specific cpu is selected. + (FUNCTION_BOUNDARY): Align to cache line boundary. + (optimize, sh_addr_diff_vec_mode, machine_dependent_reorg): Declare. + (addr_diff_vec_adjust, code_for_indirect_jump_scratch): Declare. + (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Declare. + (output_ieee_ccmpeq, output_branchy_insn, sfunc_uses_reg): Declare. + (ASM_OUTPUT_ADDR_DIFF_ELT): Depends on sh_addr_diff_vec_mode. + (PREDICATE_CODES): Add braf_label_ref_operand and register_operand. + (IEEE_BIT, TAGET_IEEE, LOCAL_LABEL_PREFIX, ASSEMBLER_DIALECT): Define. + (CACHE_LOG, enum mdep_reorg_phase_e, TRAMPOLINE_ALIGNMENT): Define. + (SH_DYNAMIC_SHIFT_COST): Define. + (TARGET_SWITCHES): Remove -m0 entry. Add -mieee, -mno-ieee. + (OVERRIDE_OPTIONS): sh_cpu defaults to CPU_SH1. + Initialize sh_addr_diff_vec_mode. + (REG_ALLOC_ORDER): Move FP0 behind FP7. + Move all FP registers in front of the general registers. + (SECONDARY_OUTPUT_RELOAD_CLASS): Add case for MAC_REGS / PR_REGS. + When checking for GENERAL_REGS, check for R0_REGS too. + Fix direction of compares to {FIR,LA}ST_FP_REG. + (SECONDARY_INPUT_RELOAD_CLASS): check for fp_one_operand. + (ASM_OUTPUT_ALIGN_CODE, ASM_OUTPUT_LOOP_ALIGN, SH0_BIT): Delete. + (TARGET_SH0, PUSH_ROUNDING, TRAMPOLINE_TEMPLATE): Delete. + (TRAMPOLINE_ALIGN): Delete. + (processor_type): Remove PROCESSOR_SH0. + (ADJUST_INSN_LENGTH): Remove check for preceding BARRIER. + Adjust ADDR_DIFF_VECs. Add code for alignment instructions. + Check if insn needing a delay slot is already inside a SEQUENCE. + + * va-sh.h (__va_rounded_size): Delete. + (__LITTLE_ENDIAN_P, __SCALAR_TYPE, __PASS_AS_FLOAT): Define. + (va_arg): Unify big and little endian code. + Optimization for small integers. + + From Fred Fish: + * sh.h (INITIAL_ELIMINATION_OFFSET): Proper bracketing. + (REGNO_REG_CLASS, PREFERRED_RELOAD_CLASS): Likewise. + (SECONDARY_{OUTPUT,INPUT}_RELOAD_CLASS, LIBCALL_VALUE): Likewise. + (ROUND_ADVANCE, FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS): Likewise. + (FUNCTION_PROFILE, FUNCTION_EPILOGUE, RETURN_ADDR_RTX): Likewise. + (REGNO_OK_FOR_INDEX_P, EXTRA_CONSTRAINT_Q, MODE_DISP_OK_4): Likewise. + (GO_IF_LEGITIMATE_{INDEX,ADDRES}, LEGITIMIZE_ADDRESS): Likewise. + (CONST_COSTS, REGISTER_MOVE_COST, ASM_OUTPUT_CONSTRUCTOR): Likewise. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Likewise. + (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP, ASM_OUTPUT_LABEL): Likewise. + (ASM_OUTPUT_ALIGN), ASM_DECLARE_FUNCTION_NAME): Likewise. + (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_CASE_LABEL): Likewise. + (ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_VEC_ELT) Likewise. + (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, ASM_OUTPUT_INT): Likewise. + (ASM_OUTPUT_SHORT, ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE): Likewise. + (ASM_OUTPUT_SKIP, FINAL_PRESCAN_INSN, PRINT_OPERAND): Likewise. + (PRINT_OPERAND_ADDRESS, HANDLE_PRAGMA, ADJUST_INSN_LENGTH): Likewise. + (PROMOTE_MODE): Likewise. + (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX. + (ASM_OUTPUT_INTERNAL_LABEL): Use %L. + * sh/elf.h: (ASM_OUTPUT_LABELREF): Use %U. + (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX. + (ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SOURCE_LINE): Use %L. + +Wed Aug 27 16:42:21 1997 Bob Manson (manson@cygnus.com) + + * t-h8300 (TARGET_LIBGCC2_CFLAGS): New definit. + (LIBGCC2_CFLAGS): Deleted. + * t-mn10200: Likewise. + +Wed Aug 27 17:10:51 1997 Jim Wilson <wilson@cygnus.com> + + * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in + last change. + +Wed Aug 27 15:19:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * dwarfout.c (dwarfout_start_new_source_file): Strip leading '*'s + from label names. + +Wed Aug 27 14:33:38 1997 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads, case '0'): Reject matching a non-offsettable + address where an offsettable address is required. + +Wed Aug 27 10:38:32 1997 Jeffrey A Law (law@cygnus.com) + + * reorg.c (dbr_schedule): Allow current_function_return_rtx + to be something other than a REG. + * function.c (expand_function_end): Fix current_function_return_rtx + if it was a pseudo. + + * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. + * x-netbsd: Likewise + * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS + (INSTALL_HEADERS): Delete. + * x-dguxbcs: Likewise. + * x-hp3bsd44: Likewise + * x-pa: Likewise. + +Wed Aug 27 07:15:58 1997 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de> + + * configure.in (AC_PROG_CC, AC_PROG_MAKE_SET): Check for gcc before + testing for flex. + +Wed Aug 27 02:24:35 1997 Jim Wilson <wilson@cygnus.com> + + * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check + TYPE_DECL_IS_STUB instead of DECL_NAME. + + * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to + filenames. Use sed to extract base filename for install. + +Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com> + + * loop.c (combine_movables): Earlier insns don't match later ones. + + * c-decl.c (grokdeclarator): If array index or size calculations + overflow, issue an error. + * fold-const.c (int_const_binop): New static function. + (const_binop, size_binop): Call it. + +Tue Aug 26 17:51:56 1997 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c (main): Check SCAN_LIBRARIES instead of LDD_SUFFIX + to decide whether to always emit init and fini handles. + +Tue Aug 26 13:51:10 1997 Jim Wilson <wilson@cygnus.com> + + * stor-layout.c (layout_record): Test DECL_PACKED instead of + TYPE_PACKED to determine alignment. + + * combine.c (try_combine): Distribute REG_DEAD notes created for + i3dest_killed similar to the ones created for i2dest_in_i2src + and for i1dest_in_i1src. + +Tue Aug 26 11:36:34 1997 Jeffrey A Law (law@cygnus.com) + + * loop.c (check_final_value): Don't miss a biv increment in a + parallel. + + * loop.c (check_dbra_loop): If the loop biv is only used + for counting, then normalize it so that the initial + value is zero. + +Tue Aug 26 06:19:48 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarfout.c (*_LABEL): Add initial '*'. + +Tue Aug 26 05:27:28 1997 Richard Henderson <rth@cygnus.com> + + * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1. + * configure.in (alpha-*-linux-gnulibc1): New target. + (alpha-*-linux-gnu*): Don't build crtbegin/end. + +Mon Aug 25 19:11:38 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * reload1.c (reload_cse_simplify_operands): Fix typo. + +Mon Aug 25 19:04:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-typeck.c (common_type): Always prefer long double to double. + +Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (secondary_reload_class): (mem (mem ... )) does not need + secondary reloads. + + * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the + store of the argument registers. + +Sun Aug 24 21:25:06 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * reload1.c (reload_cse_mem_conflict_p, case MEM): Also check + for conflict with the address. + +Sat Aug 23 18:43:22 1997 Jim Wilson <wilson@cygnus.com> + + * acconfig.h (NEED_DECLARATION_CALLOC): Add. + * configure.in: Add GCC_NEED_DECLARATION call for calloc. + * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete + declarations. + + * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it. + * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef. + +Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns + around branch tables. + * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab + and .end_brtab directives if TARGET_GAS. + +Fri Aug 22 19:17:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (instantiate_virtual_regs_1, case ADDRESSOF): + New case. + (fix_lexical_addr): Handle (addressof (mem ...)). + +Thu Aug 21 17:56:06 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload.c (push_secondary_reload): If SECONDARY_MEM_NEEDED, + call get_secondary_mem for input before adding reload and + for output after. + (push_reload): Likewise. + +Thu Aug 21 15:57:03 1997 Jim Wilson <wilson@cygnus.com> + + * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test + block_stack before dereferencing it. + +Wed Aug 20 15:45:52 1997 Dave Love <d.love@dl.ac.uk> + + * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from + list. + +Wed Aug 20 15:30:36 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (ix86_prologue, ix86_epilogue): New functions. + ({function,ix86_expand}_{pro,epi}logue, ix86_expand_prologue): + Use ix86_prologue. + +Wed Aug 20 14:57:11 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate. + +Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com> + + * cplus-dem.c: Add 'extern' to prepends_underscore. + +Tue Aug 19 15:46:30 1997 Jeffrey A Law (law@cygnus.com) + + * mips/r3900.h (SUBTARGET_CC1_SPEC): Remove some unnecessary stuff. + (MIPS_CPU_STRING_DEFAULT, MIPS_ISA_DEFAULT): Define. + +Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR + reloads to RELOAD_FOR_OPERAND_ADDRESS reloads. + +Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com> + + * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single + quotes around the name. + +Mon Aug 18 17:26:42 1997 Doug Evans <dje@cygnus.com> + + * mips.md (movsi_ulw,movsi_usw,loadgp): Give unspec a mode. + +Mon Aug 18 11:05:17 1997 Jeffrey A Law (law@cygnus.com) + + * mips/r3900.h (TARGET_DEFAULT): Turn on MASK_MIPS3900. + +Sun Aug 17 14:39:18 1997 Gavin Koch (gavin@cygnus.com) + + * mips/elf.h (PREFERRED_DEBUGGING_TYPE): Only set if not already set. + * mips.c (TARGET_{SINGLE,SOFT}_FLOAT): Make sure both aren't set. + (PROCESSOR_R3900): Set flag from option. + * mips.h: Add m3900 option. + ({PROCESSOR,TARGET,MASK}_R3900): Define. + (GENERATE_{BRANCHLIKELY,MADD,MULT3): Likewise. + (debugj,MASK_DEBUG_J): Delete to make room for m3900. + (BRANCH_LIKELY_P): Redefine to include 3900. + (GAS_ASM_SPEC,CC1_SPEC): Add m3900 option. + (RTX_COSTS): Add 3900. + * mips.md: Add 3900, including three op madd and mult. + * configure.in (mipstx39{,el}-*-elf*): New cases. + * mips/r3900.h: New file. + +Fri Aug 15 07:34:12 1997 Richard Earnshaw (rearnsha@arm.com) + + * arm.md (umulsi3_highpart, smulsi3_highpart): Add extra reloading + alternatives. + +Fri Aug 15 07:34:12 1997 Torbjorn Granlund <tege@tege.pdc.kth.se> + + * arm.md (umulsi3_highpart, smulsi3_highpart): New patterns. + * arm.c (arm_rtx_costs, case TRUNCATE): New case. + +Fri Aug 15 06:40:03 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * genemit.c (main): Write an include for flags.h. + * genoutput.c (main): Likewise. + + * alpha.c (override_options): Turn off byte insns for cpu=ev4 or ev5. + + * alpha.md (allocate_stack): If stupid reg allocation, add USE + for loop variable. + + * fold-const.c (fold, compare cases): Add calls to `fold' to + previous change. + +Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com> + + * rtl.h ({SET,}ADDRESSOF_DECL): op 1 of ADDRESSOF is now the decl. + * function.c (put_var_into_stack, gen_mem_addressof, + put_addressof_into_stack): Adjust. + + * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable + again for the slot after we give it RTL. + (expand_expr, case VAR_DECL): Lose gen_mem_addressof case. + +Wed Aug 13 17:29:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * c-lex.c (check_newline): Pass finput again to HANDLE_PRAGMA. + +Wed Aug 13 16:51:35 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * reload1.c (reload_cse_simplify_operands): New function. + (reload_cse_no_longer_dead,reload_cse_delete_death_notes): Likewise. + (no_longer_dead_regs): New static variable. + (reload_cse_simplify_set): Now returns int. + Don't delete death notes on previous insns, call + reload_cse_no_longer_dead instead. + Call validate_change with nonzero value for in_group. + (reload_cse_noop_set_p): Don't delete death notes on previous insns, + call reload_cse_no_longer_dead instead. + (reload_cse_regs): Initialize no_longer_dead_regs and call + reload_cse_delete_death_notes as appropriate. + Call apply_change_group after calling reload_cse_simplify_set. + Call reload_cse_simplify_set on elements of a PARALLEL. + Call reload_cse_simplify_operands if reload_cse_simplify_set could + not simplify things. + +Wed Aug 13 16:18:42 1997 Douglas Rupp <rupp@gnat.com> + + * vms.h (LINK_SPEC): Echo -shared, not -share, to linker. + +Wed Aug 13 12:51:11 1997 Richard Stallman <rms@psilocin.gnu.ai.mit.edu> + + * m68k.md: Add braces to clarify nesting. + +Wed Aug 13 12:51:11 1997 Jason Merrill <jason@yorick.cygnus.com> + + * calls.c (expand_call): Use assign_temp and mark_addressable + instead of calling gen_mem_addressof directly. + +Wed Aug 13 12:40:15 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (install-man): Add missing $(exeext). + + * configure.in (alpha*-dec-osf*): Merge various cases; + split off version-specific files in new case statement. + Include osf2or3.h even for OSF1.2. + + * alpha.c (NUM_ARGS): New macro. + (CURRENT_FUNCTION_ARGS_INFO): Deleted. + (alpha_builtin_saveregs): Use new macro. + (function_arg): Deleted. + (alpha_arg_type, alpha_arg_info_reg_val): New functions. + * vms.h (enum avms_arg_type, avms_arg_info): New types. + (CUMULATIVE_ARGS, INIT_CUMULATIVE_ARGS): Update definitions + to use new types. + (SETUP_INCOMING_VARARGS): Likewise. + (FUNCTION_ARG{,_PARTIAL_NREGS}, FUNCTION_ARG_ADVANCE): Likewise. + Only update CUM in FUNCTION_ARG_ADVANCE. + +Tue Aug 12 19:27:32 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR, + as initial value for real_label_map. + (copy_for_inline): Likewise. + +Tue Aug 12 16:15:36 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * rtl.h (BYTECODE_LABEL): Use XSTR, not XEXP. + + * calls.c (expand_calls): Properly call any_pending_cleanups. + +Tue Aug 12 12:18:01 1997 Jason Merrill <jason@yorick.cygnus.com> + + * function.c (purge_addressof_1): Add force argument. + (purge_addressof): If there are any ASM_OPERANDS in an insn, always + put ADDRESSOFs into the stack. + + * function.c (setjmp_protect): See through addressof. + (setjmp_protect_args): Likewise. + * calls.c (expand_call): For now, only use addressof if the type + doesn't promote. + * function.c (put_var_into_stack): Likewise. + * expr.c (expand_expr): Likewise. + * toplev.c (rest_of_compilation): Check inlineable instead of + DECL_INLINE. + * function.c (purge_addressof_1): Try recognizing the insn with + and without the SUBREG. If it doesn't work, just put the REG into + the stack. + (gen_mem_addressof): Set the mode of the MEM to the mode of the type. + (put_var_into_stack): Don't be fooled by addressof in an enclosing + scope. + +Sun Aug 10 22:19:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (probe_stack_range): Add USE for test_addr if -O0. + +Sun Aug 10 22:15:40 1997 Jason Merrill <merrill@churchy.gnu.ai.mit.edu> + + * toplev.c (rest_of_compilation): Move purge_addressof before loop. + +Sun Aug 10 15:25:51 1997 Jim Wilson <wilson@cygnus.com> + + * toplev.c (main): In -g handling code, add code to set len. + + * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN + has integer TYPE_{MAX,MIN}_VALUE before using them. + + * alpha.md (extendqihi2): Use HImode not QImode in force_reg call. + +Sun Aug 10 16:47:34 1997 Nick Burrett <nick.burrett@btinternet.com> + + * arm/aof.h (COMMON_SECTION): New macro, define common_section. + (EXTRA_SECTION_FUNCTIONS): Add COMMON_SECTION. + (EXTRA_SECTIONS): Add in_common. + (ASM_OUTPUT_COMMON): Call common_section() to indicate we've + changed areas. + +Sat Aug 9 20:04:35 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (gen_subprogram_die): Handle redefinition of an + extern inline function. + +Sat Aug 9 13:01:06 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000/sysv4.h (*_SPEC): Add support for -mads and -myellowknife. + Use a common crt0.o for all embedded platforms. Use --start-group + and --end-group instead of -( and -) to allow better cut and pasting + when debugging the linker. Set default start for MVME text. + (TARGET_SWITCHES): Add -mads and -myellowknife. + +Fri Aug 8 20:12:43 1997 Per Bothner <bothner@cygnus.com> + + * dwarf2out.c (gen_enumeration_type_die): + Make code work for a tag name, without a TYPE_STUB_DECL. + (gen_struct_or_union_type_die): Likewise. + +Fri Aug 8 18:10:40 1997 Marc Lehmann <pcg@goof.com> + + * i386/go32.h (HAS_INIT_SECTION, HAVE_ATEXIT): New macros. + +Fri Aug 8 17:30:22 1997 H.J. Lu <hjl@gnu.ai.mit.edu> + + * i386.c (output_pic_addr_const, case PLUS): Emit the constant first. + +Fri Aug 8 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list + template. + + * reg-stack.c (compare_for_stack_reg): Swap only if the source and + destination are both on the regstack. + (subst_stack_regs_pat): Put the destination at the top of the regstack. + +Fri Aug 8 17:03:21 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * i386.md (pop): pop increments the stack pointer. + (prologue_set_stack_ptr): New pattern. + * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr + instead of subsi3. + +Fri Aug 8 17:00:36 1997 Paul Eggert <eggert@twinsun.com> + + * gansidecl.h, halfpic.h (STDIO_PROTO): Remove. + * bitmap.h, c-tree.h, output.h, reload.h, rtl.h (STDIO_PROTO): + Replace with PROTO in include files. + * bc-emit.c: Include <stdio.h> before include files that formerly + used STDIO_PROTO. + * bc-optab.c, c-common.c, c-decl.c, caller-save.c, calls.c: Likewise. + * convex.c, i860.c, mips.c, spur.c, tahoe.c, emit-rtl.c: Likewise. + * explow.c, expmed.c, expr.c, genattrtab.c, halfpic.c: Likewise. + * jump.c, optabs.c, profile.c, recog.c, regclass.c: Likewise. + * rtlanal.c, sdbout.c, unroll.c: Likewise. + * genattrtab.c (main): Generate files that include <stdio.h> + before including files that formerly used STDIO_PROTO. + * genemit.c (main), genextract.c (main), genopinit.c (main): Likewise. + * genoutput.c (output_prologue), genpeep.c (main): Likewise. + * genrecog.c (main): Likewise. + * halfpic.h (PROTO): Use "gansidecl.h" to define this instead. + (half_pic_finish): Declare without prototype; FILE isn't defined. + + * bitmap.c, c-aux-info.c, c-lex.c: Include "config.h" first. + * c-parse.in, c-pragma.c, 1750a.c, a29k.c, alpha.c: Likewise. + * arm.c, clipper.c, dsp16xx.c, elxsi.c, fx80.c, gmicro.c: Likewise. + * h8300.c, i370.c, i386.c, i386/winnt.c, i960.c: Likewise. + * m32r.c, m68k.c, m88k.c, mn10200.c, mn10300.c, ns32k.c: Likewise. + * pa.c, pdp11.c, pyr.c, romp.c, rs6000.c, sparc.c, vax.c: Likewise. + * we32k.c, cppmain.c, dbxout.c, flow.c, fold-const.c: Likewise. + * gcc.c, gcov.c, global.c, integrate.c, local-alloc.c: Likewise. + * loop.c, mips-tdump.c, mips-tfile.c, objc-act.c: Likewise. + * real.c, reg-stack.c, reload.c, reload1.c, reorg.c, sched.c: Likewise. + * stupid.c, tree.c, varasm.c, xcoffout.c: Likewise. + +Fri Aug 8 14:52:35 1997 Jason Merrill <jason@yorick.cygnus.com> + + * function.c (fixup_stack_1): Stack slots can also be relative to + the frame or stack pointers. + +Fri Aug 8 14:13:49 1997 Richard Henderson <richard@gnu.ai.mit.edu> + + * dwarf2out.c (reg_loc_descriptor): Fix prototype. + (concat_loc_descriptor): New function. + (loc_descriptor): Call it. + (add_AT_location_description): Also elide the descriptor if both + halves of a CONCAT are pseudos. + (add_location_or_const_value_attribute): Recognize CONCAT too. + +Fri Aug 8 06:36:29 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * c-common.c (if_stack{,_space,_pointer}): New static variables. + (c_expand_{start_cond,start_else,end_cond}): New functions. + * c-parse.in (compstmt_count): New static variable. + (compstmt_start): New rule. + (compstmt): Use new rule. + (do_stmt_start): Update compstmt_count. + (simple_if, stmt): Use new versions of start_cond, start_else, + and end_cond. + +Thu Aug 7 15:35:25 1997 Jim Wilson <wilson@cygnus.com> + + * mips/iris6.h (TARGET_LONG64): Don't define here. + * mips.c (override_options): Set MASK_LONG64 for ABI_64. + + * mips.c (function_prologue): Don't emit ".ent", ".frame", + ".mask", ".fmask" if flag_inhibit_size_directive is true. + (function_epilogue): Don't emit ".end" if + flag_inhibit_size_directive is true. + + * mips/iris6.h (STARTFILE_SPEC, LIB_SPEC): Move + -L/usr/lib{32,64}/mips? from STARTFILE_SPEC to LIB_SPEC. + +Thu Aug 7 13:14:21 1997 Torbjorn Granlund <tege@tunnis.tmg.se> + + * fold-const.c (fold): Optimize unsigned x <= 0x7fffffff. + +Thu Aug 7 12:46:31 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (convert_memory_address, case LABEL_REF): Copy + LABEL_REF_NONLOCAL_P. + + * expr.c (store_constructor): Use CONST0_RTX macro, not always + the integer version, when clearing a register. + + * varasm.c (output_constructor): Correctly check for + multi-word constant. + +Thu Aug 7 10:04:42 1997 Douglas Rupp <rupp@gnat.com> + + * alpha/vms-tramp.asm: New file. + + * gcc.c (execute): Don't allow -pipe on VMS. + + * alpha.c (vmskrunch): Don't strip off trailing digits. + (vms_valid_decl_attribute_p): New function. + * alpha/vms.h (TRAMPOLINE_TEMPLATE): Add another quadword of zeros. + (TRAMPOLINE_SIZE): Now 32 bytes. + (INITIALIZE_TRAMPOLINE): Put FNADDR at offset 16, CXT at 24. + (DBX_DEBUGGING_INFO, ASM_FORMAT_PRIVATE_NAME): Always undefine. + (STARTFILE_SPEC): Likewise. + (PREFERRED_DEBUGGING_TYPE): Define to be Dwarf-2. + (VALID_MACHINE_DECL_ATTRIBUTE, ASM_OUTPUT_SECTION{,_NAME}): New macros. + (ASM_OUTPUT_ALIGN{,ED_COMMON}): Redefine. + (LINK_SPEC): Pass -share and -v. + (ENDFILE_SPEC, LIBGCC2_SPEC): Don't redefine. + +Thu Aug 7 06:21:47 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * Eliminate most -Wswitch warnings. + * c-common.c (binary_op_error): Add default case to switch. + (shorten_compare, truthvalue_conversion): Likewise. + * c-iterate.c (collect_iteratores): Likewise. + * c-typeck.c (comptypes, build_component_ref): Likewise. + (build_binary_op, lvalue_p, build_unary_op): Likewise. + (build_modify_expr, initializer_constant_valid_p): Likewise. + (c_expand_return): Likewise. + * calls.c (calls_function_1): Likewise. + * combine.c (find_split_point, simplify_rtx): Likewise. + (simplify_if_then_else, simplify_logical): Likewise. + (extract_left_shift, make_compound_operation, force_to_mode): Likewise. + (known_cond, nonzero_bits, num_sign_bit_copies): Likewise. + (merge_outer_ops, simplify_shift_const, simplify_comparison): Likewise. + (reversible_comparison_p, mark_used_regs_combine): Likewise. + * convert.c (convert_to_integer): Likewise. + * cse.c (canon_hash, exp_equiv_p): Likewise. + (set_nonvarying_address_components, canon_reg): Likewise. + (simplify_unary_operation, simplify_plus_minus): Likewise. + (simplify_relational_operation, fold_rtx): Likewise. + (cse_process_note, count_reg_usage): Likewise. + * dbxout.c (dbxout_symbol): Likewise. + * dwarf2out.c (lookup_cfa_1, print_die): Likewise. + * emit_rtl.c (copy_rtx_if_shared, reset_used_flags): Likewise. + * explow.c (plus_constant_wide, convert_memory_address): Likewise. + (promote_mode, emit_stack_save, emit_stack_restore): Likewise. + * expmed.c (expand_divmod, emit_store_flag): Likewise. + * expr.c (queued_subexp_p, is_zeros_p, safe_from_p): Likewise. + (bc_expand_expr, preexpand_calls, convert_move): Likewise. + * final.c (get_attr_length, final_scan_insn): Likewise. + (walk_alter_subreg, alter_cond): Likewise. + * flow.c (jmp_uses_reg_or_mem, mark_used_regs): Likewise. + * fold-const.c (operand_equal_p, twoval_comparison_p): Likewise. + (eval_subst, invert_truthvalue, range_binop): Likewise. + (make_range, fold): Likewise. + * function.c (fixup_var_refs_1, instantiate_virtual_regs_1): Likewise. + * genattrtab.c (attr_copy_rtx, make_canonical): Likewise. + (encode_units_mask, simplify_test_exp): Likewise. + (find_and_mark_used_attributes, write_test_expr): Likewise. + (simplify_with_current_value_aux, clear_struct_flag): Likewise. + (count_sub_rtxs, gen_insn walk_attr_value): Likewise. + (copy_rtx_unchanging): Likewise. + * genconfig.c (walk_insn_part): Likewise. + * genextract.c (walk_rtx): Likewise. + * genoutput.c (scan_operands): Likewise. + * genpeep.c (match_rtx): Likewise. + * genrecog.c (add_to_sequence): Likewise. + * integrate.c (copy_for_inline, copy_rtx_and_substitute): Likewise. + (subst_constants): Likewise. + * jump.c (duplicate_loop_exit_test, comparison_dominates_p): Likewise. + (mark_jump_label, rtx_renumbered_equal_p): Likewise. + (rtx_equal_for_thread_p): Likewise. + * local-alloc.c (memref_referenced_p): Likewise. + * loop.c (record_excess_regs, reg_in_basic_block_p): Likewise. + (get_condition, replace_call_address): Likewise. + (count_nonfixed_reads, find_and_verify_loops, find_mem_givs): Likewise. + (maybe_eliminate_biv_1, invariant_p, simplify_giv_expr): Likewise. + * optabs.c (emit_float_lib_cmp): Likewise. + * print-tree.c (print_node): Likewise. + * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise. + * reload.c (subst_reg_equivs, find_reloads_address_1): Likewise. + (refers_to_regno_for_reload_p, find_equiv_reg): Likewise. + * reload1.c (set_label_offsets, eliminate_regs): Likewise. + (scan_paradoxical_subregs, count_occurrences): Likewise. + * rtl.c (copy_rtx, copy_most_rtx): Likewise. + * rtlanal.c (rtx_varies_p, rtx_addr_can_trap_p): Likewise. + (reg_mentioned_p, reg_referenced_p, modified_between_p): Likewise. + (modified_in_p, refers_to_regno_p, volatile_insn_p): Likewise. + (volatile_refs_p, side_effects_p): Likewise. + (inequality_comparison_p, replace_regs): Likewise. + * sched.c (sched_analyze_2): Likewise. + * stmt.c (expand_return): Likewise. + * tree.c (staticp, unsave_expr_now, contains_placeholder_p): Likewise. + (substitute_in_expr, build_type_attribute_variant): Likewise. + (simple_cst_equal): Likewise. + * unroll.c (remap_split_bivs): Likewise. + * varasm.c (const_hash, compare_constant_1): Likewise. + (decode_rtx_const, output_addressed_constants): Likewise. + (output_constant): Likewise. + * print-tree.c (print_node): Convert switch with one case into an if. + * sched.c (memrefs_conflict_p): Likewise. + * genrecog.c (write_tree_1): Output default case for every switch. + + * profile.c (output_arc_profiler) [SMALL_REGISTER_CLASSES]: + Apply PATTERN only to insns. + +Thu Aug 7 06:13:20 1997 Robert Lipe <robertl@dgii.com> + + * i386/t-sco5 (libgcc2-elf.a): Resync with Makefile.in. + +Wed Aug 6 19:28:05 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (build_abbrev_table): Use xrealloc not xmalloc. + +Wed Aug 6 12:57:24 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (output_call_frame_info): Always emit the info. + (dwarf2out_frame_debug): We can initialize the temp reg in the + epilogue, too. + + * rtl.def: Add ADDRESSOF. + * rtl.h (ADDRESSOF_TYPE, SET_ADDRESSOF_TYPE): New macros. + * Makefile.in (mostlyclean): Remove *.addressof. + * toplev.c (rest_of_compilation): Set DECL_DEFER_OUTPUT on + non-nested inlines. Run purge_addressof after CSE. + (various): Add .addressof RTL dump file. + * rtl.c (copy_rtx): No need to copy ADDRESSOF. + * reload1.c (eliminate_regs): Elide ADDRESSOF. + * recog.c (general_operand): (MEM (ADDRESSOF ())) is a valid operand. + So is (ADDRESSOF ()). + (memory_address_p): (ADDRESSOF ()) is a valid memory address. + * integrate.c (expand_inline_function): If the structure_value_addr + is an ADDRESSOF, we can use it as a constant. + (copy_rtx_and_substitute): Copy a '0' operand over unchanged. + * function.c (fixup_var_refs_1): Remove (ADDRESSOF (MEM ())). + (gen_mem_addressof): New fn. + (put_addressof_into_stack): New fn. + (purge_addressof_1): New fn. + (purge_addressof): New fn. + (instantiate_decl): Don't bother looking into an ADDRESSOF. + (put_var_into_stack): Call gen_mem_addressof for local REGs instead + of calling put_reg_into_stack. + * expr.c (expand_expr, case TARGET_EXPR): Put the temp in a register + if it will fit. + (expand_expr, case ADDR_EXPR): Call gen_mem_addressof to take the + address of a REG. + * explow.c (memory_address): An ADDRESSOF is a valid memory address. + * dwarfout.c (location_or_const_value_attribute): Handle ADDRESSOF. + * dwarf2out.c (add_location_or_const_value_attribute): Handle + ADDRESSOF. + * cse.c (FIXED_BASE_PLUS_P): Add ADDRESSOF. + (NONZERO_BASE_PLUS_P): Add ADDRESSOF. + (canon_hash): Ignore '0' operands. + (find_best_addr): Don't try to replace an ADDRESSOF. + (fold_rtx): If our address has a const equiv of an ADDRESSOF, use it. + * calls.c (expand_call): Put the struct value in a register if + it fits. + +Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com> + + * mips.c (function_arg): Handle passing a struct + containing a double in a DFmode register without the PARALLEL. + +Tue Aug 5 12:27:31 1997 Doug Evans <dje@cygnus.com> + + * configure.in (sparc-*-solaris2): Set float_format to i128. + * config/float-i128.h: New file. + +Mon Aug 4 17:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (try_combine): If have PARALLEL of independent SETs + and have cc0, ensure insn using CC0 come first. + +Mon Aug 4 15:22:41 1997 Mike Meissner <meissner@cygnus.com> + + * rs6000/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Undef for System V + environments. + +Mon Aug 4 12:34:41 1997 Philip Blundell <pb@nexus.co.uk> + + * configure.in (arm-*-aout): Set tmake_file correctly. + +Mon Aug 4 08:06:48 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload.c (find_reloads_address_1): Don't pass VOIDmode for an + integer argument of push_reload. + + * rtlanal.c (may_trap_p): Fix unintended fall-through so divisions by + nonzero constants are handled properly. Return 1 for FP divisions. + +Mon Aug 4 06:52:20 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-common.c (check_format_info): Store each flag character only + once in the flag_chars array. + +Sun Aug 3 21:57:31 1997 Jim Meyering <meyering@eng.ascend.com> + + * objc/Make-lang.in (objc/*.o): Depend on $(GCC_PASSES). + +Sun Aug 3 21:54:51 1997 Nick Burrett <n.a.burrett@btinternet.com> + + * cpplib.c (cpp_start_read): Recognize suffixes 'cp' and 'c++'. + +Sun Aug 3 19:18:27 1997 Ralf Baechle <ralf@uni-koblenz.de> + + * Makefile.in (mostlyclean): Remove libgcc1-test. + +Sun Aug 3 19:10:27 1997 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de> + + * Makefile.in (T): Move to place where it can be overridden. + (install_common): Fix permissions of specs and EXTRA_PARTS files. + +Sun Aug 3 19:07:04 1997 Jan-Jaap van der Heijden <J.J.vanderHeijden@student.utwente.nl> + + * gcc.c (default_compilers): Add default entries for Pascal. + +Sun Aug 3 18:38:41 1997 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_return_addr): New function. + (output_epilog): Zero alpha_return_addr_rtx. + * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr. + +Sun Aug 3 17:27:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * Makefile.in (INSTALL): Build in $(srcdir). + + * config/linux.h (DEFAULT_VTABLE_THUNKS): New macro. + +Sun Aug 3 17:18:31 1997 Richard Earnshaw (rearnshaw@cambridge.arm.com) + + * expr.c (expand_builtin, case BUILT_IN_RETURN_ADDRESS): Emit warning + if return address cannot be determined. + +Sun Aug 3 17:04:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * stupid.c (stupid_life_analysis): If function receives non-local + goto, don't let any registers live across calls. + + * fold-const.c (merge_ranges): Make sure that if one range is subset + of another, it will always be the second range. Correct (+,-) case to + account for this. + +Sun Aug 3 16:48:30 1997 Paul Eggert <eggert@twinsun.com> + + * c-lex.c (yylex): Remove duplicate check on high bit before + invoking int_fits_type_p. + +Sun Aug 3 16:44:41 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload.c (find_equiv_reg): If goal is a pseudo that got memory, a + store into memory makes it invalid. This was handled in the single + set case, but missing in the PARALLEL case. + +Sun Aug 3 09:13:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (store_field): Return quickly if EXP is ERROR_MARK. + + * c-typeck.c (unary_complex_lvalue): Don't warn about COMPOUND_EXPR + or COND_EXPR if FUNCTION_TYPE. + + * alpha.h (ASM_SPEC): Add -O0. + + * expr.h (clear_storage): Now returns rtx. + (emit_block_move): Likewise; delete duplicate declaration. + * expr.c (clear_storage, emit_block_move): Return address of + dest if calling memset/memcpy. + (expand_builtin, BUILT_IN_MEM{CPY,SET}): Return value from + clear_storage or emit_block_move if present. + + * c-decl.c (start_function): Reset immediate_size_expand on + error return. + +Sat Aug 2 18:50:43 1997 Paul Eggert <eggert@twinsun.com> + + * tree.c (int_fits_type_p): Negative ints never fit unsigned + types, and unsigned ints with top-bit-set never fit signed types. + +Sat Aug 2 16:25:43 1997 Per Bothner <bothner@frobnitz.gnu.ai.mit.edu> + + * Makefile.in (EXTRA_C_OBJS): Removed. + (C_AND_OBJC_OBJS): New. Subsumes EXTRA_C_OBJS and OBJC_CCOMMON. + * objc/Make-lang.in (OBJC_CCOMMON): Removed. + +Sat Aug 2 16:11:57 1997 Doug Evans <dje@cygnus.com> + + * configure.in: Build .gdbinit for top level build dir here. + (AC_OUTPUT): Pass oldstyle_subdirs to configure.lang. + * configure.lang: Fix building of .gdbinit for oldstyle lang subdirs. + +Sat Aug 2 13:48:15 1997 Ken Raeburn <raeburn@cygnus.com> + + * cse.c (cse_insn): Ignore paradoxical SUBREGs unless we are + looking for such. + +Sat Aug 2 13:25:33 1997 Tristan Gingold (gingold@email.enst.fr) + + * calls.c (expand_call): If -fcheck-memory-usage, use pseudo-register, + check indirectly called function is executable, and set rights of + memory for aggregate as write only. + (store_one_arg): If -fcheck-memory-usage, set rights for pushed + stack argument. + * c-decl.c (init_decl_processing): Add + __builtin_aggregate_incoming_address. + * explow.c (expr_size): Call expand_expr with appropriate flag. + * expr.c (expand_builtin, case BUILT_IN_AGGREGATE_INCOMING_ADDRESS): + New case. + (expand_assignment, expand_expr, emit_push_insn, store_expr): + Insert calls to chkr_check_addr, chkr_set_right, and chkr_copy_bitmap + when -fcheck-memory-usage. + (get_push_address, get_memory_usage_from_modifier): New functions. + * expr.h: Add expand_modifier flags. + (chkr_*_libfunc): New decls. + (memory_use_mode): New declaration. + * flags.h (flag_check_memory_usage, flag_prefix_function_name): New + declaration. + * function.c (put_var_into_stack, assign_parms): If + -fcheck-memory-usage, set the rights of pushed variable. + * optabs.c (chkr_{check_addr,set_right}_libfunc): New definitions. + (chkr_{copy_bitmap,check_exec}_libfunc): Likewise. + (init_optabs): Initialize these chkr_*_libfunc. + * stmt.c (expand_computed_goto): If -fcheck-memory-usage, check that + computed address of a goto is executable. + (expand_asm, expand_asm_operands): If -fcheck-memory-usage, + disallow asm statements. + * toplev.c (flag_check_memory_usage, flag_prefix_function_name): New + variable. + (f_options): Add `check-memory-usage' and `prefix_function_name'. + (main): Disable `-fomit-frame-pointer' if `-fcheck-memory-usage' is set + and the machine can't debug without the frame pointer. + * tree.h (built_in_function): Add BUILT_IN_AGGREGATE_INCOMING_ADDRESS. + * varasm.c (make_function_rtl, make_decl_rtl): Add a prefix when + flag_prefix_function_name_usage is set. + (assemble_name): Strip the CHKR_PREFIX. + * alpha.c (alpha_builtin_saveregs): If -fcheck-memory-usage, + set rights of saved registers. + * clipper.c (clipper_builtin_saveregs): Likewise. + * m88k.c (m88k_builtin_saveregs): Likewise. + * pa.c (hppa_builtin_saveregs): Likewise. + * sparc.c (sparc_builtin_saveregs): Likewise. + +Sat Aug 2 08:01:12 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-decl.c (grokdeclarator): Give error for `long double' and + refine text of some error messages. + + * alpha.h (FLOAT_VALUE_TYPE, INTIFY, FLOATIFY, FLOAT_ARG_TYPE): Define. + * i860.h (FLOAT_VALUE_TYPE): Fix typo; was FLOAT_TYPE_VALLUE. + + * calls.c (store_one_arg): Allow stack_slot to be SP in + ARGS_GROW_DOWNWARD case. + + * c-decl.c (parmlist_tags_warning): Only suppress warning on + union if anonymous. + + * libgcc2.c (_trampoline): Rework last change; both getpagesize + and mprotect are in cygwin32. + + * reload1.c (reload): Add IN_ADDR to IN_ADDR_ADDR when computing + needs since they conflict. + + * print-rtl.c (indent): Move to file level; was static in print_rtx. + (print_inline_rtx): New function. + * reload.c (debug_reload): Rework to make output more compact. + + * dwarfout.c (output_compile_unit_die): Add support for Pascal. + * dwarf2out.c (gen_compile_unit_die): Likewise. + + * c-typeck.c (lvalue_p, case BIND_EXPR, RTL_EXPR): Return 1 if array. + + * Makefile.in (OBJC_OBJC): Delete from here. + + * varasm.c (compare_constant_1, case STRING_CST): Compare TYPE_MODE. + (record_constant_1, case STRING_CST): Record TYPE_MODE. + + * tree.c (contains_this_placeholder_p): Delete. + (contains_placeholder_p): Now contains code from above function. + (contains_placeholder_p, case 'r'): Don't look at offset info. + * expr.c (expand_expr, case PLACEHOLDER_EXPR): Find innermost + matching and don't check contains_placeholder_p. + +Fri Aug 1 17:15:07 1997 Per Bothner <bothner@cygnus.com> + + * objc/objc-act.c (lang_init): Don't check_newline #if USE_CPPLIB. + * c-lex.c (lang_init): Remove (recently moved here). + * c-lang.c (lang_init): Restore, but add #if !USE_CPPLIB. + +Fri Aug 1 11:26:45 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (pa_reorg): Explode ADDR_DIFF_VEC insns too. + +Thu Jul 31 19:37:22 1997 Ian Lance Taylor <ian@cygnus.com> + + * libgcc2.c (getpagesize): Don't compile if __CYGWIN32__. + +Thu Jul 31 16:04:42 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (output_to_reg, output_fix_trunc): Use scratch memory, + if available, instead of dynamically extending the stack. + (put_condition_code, print_operand): Added reverse_cc to reverse the + comparison when $ah is accessed directly instead of using eflags + + * i386.md (*trunc*): Use scratch memory for output_fix_trunc. + (movsicc_1, movhicc_1) Change alternative 3 to: + jCC L1; mov; jmp L2; L1:mov; L2: + (movsfcc, movdfcc, movxfcc): Force constant operands to memory. + (movsfcc_1, movdfcc_1, movxfcc_1): Change alternative 3 as above. + +Thu Jul 31 16:04:42 1997 Jason Merrill <jason@yorick.cygnus.com> + + * i386.h (MAX_FIXED_MODE_SIZE): Define. + +Thu Jul 31 16:04:42 1997 Robert Lipe <robertl@dgii.com> + + * i386/sco5.h (SWITCHES_NEED_SPACES) Define. + Required by the COFF (but not ELF) linker. + +Wed Jul 30 15:03:52 1997 Per Bothner <bothner@cygnus.com> + + * demangle.h (DMGL_JAVA): New option to request Java demangling. + * cplus-dem.c: Various changes to produce Java output when passed + DMGL_JAVA. Thus "::" becomes "." and "JArray<Foo>" becomes "Foo[]". + (main): Support --java and -j flags to set DMGL_JAVA. + +Wed Jul 30 08:56:08 1997 Philip Blundell <Philip.Blundell@pobox.com> + + * configure.in (arm-*-*): Replace with arm-*-aout. + * arm/aout.h (SET_ASM_OP): Define by default. + * arm/riscix.h (SET_ASM_OP: Undefine. + * arm.h (CPP_SPEC): Add %(subtarget_cpp_spec). + (SUBTARGET_CPP_SPEC): New macro. + * arm/linux.h: Include aout.h rather than arm.h directly. + (TARGET_CPU_DEFAULT): Define. + ({ASM,CPP}_SPEC): Remove. + * arm/t-linux (MULTILIB_OPTIONS): Use -mapcs-NN instead of -mN. + (LIB1ASMSRC): Use generic ARM version. + (CROSS_LIBGCC1): Define. + * arm/lib1funcs-linux.asm: Remove. + +Tue Jul 29 17:57:47 1997 Per Bothner <bothner@cygnus.com> + + * Add hooks for using autconf-style Makefile.in in language subdirs. + * configure.in (all_outputs, oldstyle_subdirs): New variables. + Pass all_outputs to AC_OUTPUT. + * configure.lang: Only iterate over oldstyle_subdirs. + + * Patches to use cpplib with cc1 #if USE_CPPLIB. + * configure.in (--enable-c-cpplib): New option. + (extra_c_flags, extra_c_objs): New variables. + * Makefile.in (EXTRA_C_OBJS): New variable. + (INTERNAL_CFLAGS): Add @extra_c_flags@. + (C_OBJS): Add $(EXTRA_C_OBJS). + * c-lex.c (generally): Replace getc and ungetc by macros GETC and + UNGETC. Avoid explicit references to finput. + (yy_get_token): New function, that calls cpp_get_token. + (init_parse): New function - calls init_lex. + (finish_parse): New function (called by compile_file). + (GET_DIRECTIVE_LINE): New macro wrapper replaces get_directive_line. + (lang_init): Don't check_newline - already know main_input_filename. + (handle_sysv_pragma): Remove FILE* parameter. + * toplev.c (finput): Remove #if USE_CPPLIB. + (compile_file): #if USE_CPPLIB don't open input file here, + do it in cpp_start_read. Call init_parse instead of init_lex. + At end, call finish_parse instead of fclose(finput). + +Mon Jul 28 15:48:29 1997 Brendan Kehoe <brendan@cygnus.com> + + * integrate.c (expand_inline_function): Use xmalloc instead of + alloca for the LABEL_MAP. + (save_for_inline_copying): Likewise. + +Mon Jul 28 11:22:16 1997 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (compile_file): Also emit any deferred TREE_PUBLIC inlines. + (rest_of_compilation): Use decl_printable_name instead of DECL_NAME + to identify functions in the RTL dump files. + + * dwarf2out.c (add_location_or_const_value_attribute): + leaf_renumber_regs_insn. Also eliminate_regs here. + (add_AT_location_description): Not here. Don't emit anything + for a variable that has been optimized away. + (add_const_value_attribute): Likewise. + + * dwarfout.c (location_or_const_value_attribute): + leaf_renumber_regs_insn. Also eliminate_regs here. + (location_attribute): Not here. + + * stor-layout.c (layout_type): Fix ancient code to match ancient + comment. Use mode of field for one-field structs. + +Sun Jul 27 12:09:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (put_var_into_stack, trampoline_address): Treat + inline_function_decl like current_function_decl. + * expr.c (expand_expr, case LABEL_DECL): Likewise. + (expand_expr, case SAVE_EXPR): Handle top-level SAVE_EXPR by + moving into current function; abort if in incorrect context. + * fold-const.c (fold_range_test, fold): Avoid making SAVE_EXPR + if at top level. + + * dwarfout.c (ASM_OUTPUT_SOURCE_FILENAME): Delete default value. + + * alpha.h (TARGET_SWITCHES): Add -mno-byte. + + * expr.c (get_inner_unaligned_p): Deleted. + (expand_assignment): Remove special-case of constant array. + (expand_expr, case ARRAY_REF): Likewise, and clean up remaining code. + + * explow.c (probe_stack_range): Do probing with loop if more + than a small number. + +Fri Jul 25 15:42:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * configure.in: Finish fixing calculation if default thread + support is enabled. + +Fri Jul 25 15:30:09 1997 Doug Evans <dje@cygnus.com> + + * Makefile.in (native): Depend on config.h. + (gcc.o): Depend on Makefile, not config.status. + +Fri Jul 25 10:56:50 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (pa_reorg): If TARGET_BIG_SWITCH, then do not explode + ADDR_VEC insns. Slightly rework code which explodes ADDR_VEC + insns. + * pa.h (TARGET_BIG_SWITCH): Define. + (TARGET_SWITCHES): Add "big-switch" and "no-big-switch". + (CASE_VECTOR_MODE): Use TI or DI depending on TARGET_BIG_SWITCH. + (CASE_DROPS_THROUGH): Remove definition. + (ASM_OUTPUT_ADDR_VEC_ELT): Rewrite to handle TARGET_BIG_SWITCH. + (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. + * pa.md (casesi): Rework to avoid some potential long branch + problems (also makes generated code faster!). Handle + TARGET_BIG_SWITCH. + (casesi0): Corresponding changes. + +Fri Jul 25 08:36:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * calls.c: (expand_call): If -fstack-check and temp needed + for arg is too large, use alloca. + * expr.c (expand_expr, case MODIFY_EXPR): Don't preexpand calls + if LHS is an indirect via a constant pointer. + +Thu Jul 24 21:49:11 1997 Pat Rankin <rankin@eql.caltech.edu> + + * bitmap.c (bitmap_operation): Reset CURRENT on deferred deletion. + +Wed Jul 23 23:52:14 1997 Chris Smith <csmith@convex.hp.com> + + * convex.h (CHECK_FLOAT_VALUE): Fix OVERFLOW capitalization. + +Wed Jul 23 13:00:47 1997 Richard Earnshaw <rearnsha@cambridge.arm.com> + + * configure.in (arm-*-netbsd*): Fix typo setting tmake_file. + +Wed Jul 23 06:39:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in (alpha*): Put quotes around MASK_GAS. + +Tue Jul 22 15:24:45 1997 Brendan Kehoe <brendan@cygnus.com> + + * tree.c (array_type_nelts): Make sure the domain of TYPE is set + before we try to use it. + +Tue Jul 22 12:26:13 1997 Doug Evans <dje@cygnus.com> + + * sparc.c (gen_v9_scc): Handle early clobber of result. + * sparc.md (seqdi_special): Don't clobber %xcc. + (snedi_special, seqdi_special_trunc, snedi_special_trunc): Likewise. + (snedi_zero, neg_snedi_zero, seqdi_zero, neg_seqdi_zero): Likewise. + (snedi_zero_trunc, seqdi_zero_trunc): Likewise. Renamed from ..._sp64. + (snedi_zero_trunc_sp32, seqdi_zero_trunc_sp32): Delete. + + * Makefile.in (Makefile): Pass xmake_file, tmake_file to + configure.frag + (distclean): Delete Make-host, Make-target. + * configure.in (host_overrides): Set to Make-host. + (dep_host_xmakefile): Loop over all elements in host_make_file. + (target_overrides): Set to Make-target. + (dep_tmake_file): Loop over all elements in tmake_file. + (configure.frag): Pass dep_host_xmake_file, dep_tmake_file. + * configure.frag: New arguments xmake_files, tmake_files. + Build Make-host, Make-target. + +Mon Jul 21 23:17:44 1997 Paul Eggert <eggert@twinsun.com> + + * objc/Make-lang.in, objc/Makefile.in: Comment out lines containing + just formfeeds. + +Mon Jul 21 14:05:46 1997 Doug Evans <dje@cygnus.com> + + * Makefile.in (Makefile): Depend on config.status instead + of configure. + (config.status): Depend on configure. Run config.status --recheck + if out of date. + (cstamp-h.in): Use echo instead of touch. + + * reload1.c (reload_cse_mem_conflict_p): Restore handling of + (mem:BLK const0_rtx) meaning all memory is clobbered. + +Mon Jul 21 06:20:10 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.md (iorsi_zexthi_ashl16): Mark output operand as earlyclobber. + +Sun Jul 20 06:11:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in (alpha*-*-*): Set cpu_type to alpha. + Change "alpha-" to "alpha*-" in all entries. + Set target_cpu_default for ev5 and ev56 systems. + Use symbolic names for target_cpu_default. + * alpha.c (override_options): Set default for alpha_cpu + from TARGET_CPU_DEFAULT. + * alpha.h (MASK_CPU_EV5): New macro. + + * tree.c (contains_placeholder_p): Call contains_this_placeholder_p. + (contains_this_placeholder_p): Renamed from contains_placeholder_p. + Added new arg, PL. + Rework to make more consistent, check more codes, and avoid + undefined fields. + * expr.c (expand_expr, case PLACEHOLDER_EXPR): Pick outermost + object in placeholder_list of right type without a PLACEHOLDER_EXPR. + +Sat Jul 19 18:00:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.c (override_options): Allow processor of ev56 or 21164a. + (input_operand, case MEM): Correct test involving TARGET_BYTE_OPS. + * alpha.h (SECONDARY_{IN,OUT}PUT_RELOAD_CLASS): Don't need for + QImode or HImode if TARGET_BYTE_OPS. + (ASM_FILE_START): Write a .arch directive. + (STACK_CHECK_BUILTIN): New macro. + * alpha.md ({zero_,}extend[qh]i[dsh]i2): Rework TARGET_BYTE_OPS cases. + (mov[hq]i): Likewise. + (extend[qh]i[hsd]i2x): Add missing cases and fix typo in constraint. + (reload_{in,out}[qh]i): Disable for TARGET_BYTE_OPS. + +Fri Jul 18 23:24:57 1997 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (make_decl_rtl): Don't use ASM_FORMAT_PRIVATE_NAME for + local decls with TREE_PUBLIC set. + (bc_make_decl_rtl): Likewise. + +Fri Jul 18 22:16:28 1997 Doug Evans <dje@cygnus.com> + + * configure.in: Invoke AC_CONFIG_HEADER. + Check for string.h, strings.h, stdlib.h, time.h, unistd.h. + Check for whether malloc/realloc/free need to be declared. + (links): Rename config.h to config2.h. + (AC_OUTPUT): Create cstamp-h. + * Makefile.in (config.in,cstamp-h.in): Add rules for. + (config.h,cstamp-h): Add rules for. + (distclean): Delete config2.h, cstamp-h. + (ALL_CFLAGS): Add @DEFS@. + * aclocal.m4, acconfig.h: New files. + + * Makefile.in (distclean): Delete Make-host, Make-target. + * configure.in (host_overrides): Set to host_xmake_file, don't create + Make-host. + (target_overrides): Set to tmake_file, don't create Make-target. + (language subdir support): Keep together. + + * c-decl.c (duplicate_decls): Set DECL_ABSTRACT_ORIGIN to olddecl + if inline function and not new definition. + + * configure.in: Don't loop trying to configure language subdirs. + Don't pass to configure.lang variables it doesn't use. + * configure.lang: Delete top level directory from loop. + Delete code not useful for language subdirs. + +Fri Jul 18 08:12:53 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * toplev.c (rest_of_compilation): Call reload_cse_regs here. + * reload1.c (reload): Don't call it here. + (reload_cse_mem_conflict_p): Remove MEM_OFFSET and MEM_MODE args. + (reload_cse_mem_conflict_p, case MEM): Call anti_dependence. + (reload_cse_invalidate_mem): Update call to reload_cse_mem_conflict_p. + (reload_cse_regs): No longer static. + Call init_alias_analysis. + Ignore CLOBBER in a PARALLEL. + +Fri Jul 18 06:44:22 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * objc/Make-lang.in (objc-headers): Fix command for the new build + directory layout, don't pass srcdir variable. + * objc/Makefile.in (copy-headers): Use $(srcdir) from this + makefile, not the parent's. + +Thu Jul 17 16:03:03 1997 Doug Evans <dje@cygnus.com> + + * configure.lang (EXTRA_HEADERS,EXTRA_PASSES,EXTRA_PARTS): Delete. + (EXTRA_PROGRAMS,EXTRA_OBJS,EXTRA_GCC_OBJS,MD_DEPS): Delete. + (version) Delete duplicate entry. + * configure.in (merged_frags): Delete unused variable. + (extra_headers_list): Move setting outside of subdir loop. + (extra_headers,extra_passes): Don't pass to configure.lang. + (extra_programs,extra_parts,extra_objs): Likewise. + (host_extra_gcc_objs,gxx_include_dir,md_cppflags): Likewise. + +Thu Jul 17 07:00:43 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.h (STACK_CHECK_*): Provide default values. + (probe_stack_range): New declaration. + * flags.h (flag_stack_check): Likewise. + * explow.c (allocate_dynamic_stack_space): Call probe_stack_range. + (emit_stack_probe, probe_stack_range): New functions. + * function.c (expand_function_end): If function is non-leaf and stack + checking is requested, emit needed probes. + * reload1.c (reload): If checking stack, verify frame small enough. + * stmt.c (expand_decl): If stack checking, use alloca for large vars. + * toplev.c (flag_stack_check): New variable. + (f_options): Add "stack-check". + + * reorg.c (mark_target_live_regs): Pass FIRST_PSEUDO_REGISTER to + call to EXECUTE_IF_SET_IN_REG_SET. + +Wed Jul 16 14:51:00 1997 Jason Merrill <jason@yorick.cygnus.com> + + * i960.h (ASM_OUTPUT_ALIGNED_BSS): Define. + (ASM_OUTPUT_ALIGNED_LOCAL): Use standard method to convert ALIGN + to power-of-two of bytes. + + * sparc.h (ASM_OUTPUT_ALIGNED_BSS): Define. + * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Undef before definition. + +Wed Jul 16 14:34:09 1997 Klaus Espenlaub (kespenla@hydra.informatik.uni-ulm.de) + + * calls.c (emit_library_call_value): Initialize all argvec elements. + +Wed Jul 16 14:31:39 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * global.c (global_conflicts): Pass FIRST_PSEUDO_REGISTER to + call to EXECUTE_IF_SET_IN_REG_SET. + +Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com) + + * From Rob Black (r.black@ic.ac.uk) and Mark Brinicombe + (amb@physig.ph.kcl.ac.uk): + * configure.in (arm-*-netbsd*): New configuration. + * arm/netbsd.h, arm/t-netbsd, arm/xm-netbsd.h: New files. + +Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com) + + * arm.c (tune_flags): New variable. + (target_{cpu,fpe}_name): Delete. + (arm_fpu_arch): New variable. + (arm_select): Also allow -march=... to configure just the + architecture. + (all_procs): Allow armv{2,2a,3,3m,4,4t} for use with -march=. + (arm_override_options): Handle -march=, but don't let -mcpu= + and -mtune= match the architecture names, since we can only + tune for an implementation. Rework selection of tuning options + for floating point. + (use_return_insn): Support interworking with Thumb code. + (arm_rtx_costs): Rework multiply costs so that cost is based on + the tune, not the architecture. + (f_register_operand): New function. + (output_return_instruction): Support interworking with Thumb code. + (output_func_epilogue): Support interworking with Thumb code. + Remove redundant calculation of code_size. Use floating-point + load-multiples if permitted. + (emit_sfm): New function. + (arm_expand_prologue): Use floating-point store-multiples if + permitted. + + * arm.h (CPP_CPU_ARCH_SPEC): Handle -march=... + (TARGET_OPTIONS): Add arch= and fp=. Delete fpe=. + (enum processor_type): Add PROCESSOR_NONE, for use in all_procs table. + (FP_DEFAULT): Default floating point architecture for generic + back-end. + (PREDICATE_CODES): Add f_register_operand. + + * arm.md (*push_fp_multi): New pattern. + + +Tue Jul 15 22:08:47 1997 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (exeext): Set to build_exeext not exeext. + * configure.in (exeext): Delete redundant set and AC_SUBST call. + Change remaining AC_SUBST to use build_exeext instead of exeext. + +Tue Jul 15 15:48:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * configure.in: Fix calculation if default thread support is enabled. + +Tue Jul 15 13:38:46 1997 Mike Meissner <meissner@cygnus.com> + + * rtl.h (replace_regs): Declare. + +Mon Jul 14 16:18:19 1997 Jason Merrill <jason@yorick.cygnus.com> + + * i960.h (ASM_OUTPUT_MI_THUNK): Define. + + * dwarf2out.c (gen_subprogram_die): Remove unreachable and redundant + code. + +Mon Jul 14 14:22:45 1997 Jeffrey A Law (law@cygnus.com) + + * calls.c (emit_library_call): Use right index into argvec array + when iterating over arguments which need to be pushed on the stack. + (emit_library_call_value): Likewise. + +Mon Jul 14 08:17:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcc.c (convert_filename): Fix typo. + +Mon Jul 14 08:10:12 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * configure.in: Clear headers and lib2funcs before re-reading + config-lang.in. + + * m68k/linux.h (LINK_SPEC): Fix last change. + +Mon Jul 14 08:03:38 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * configure.in (sparc-*-linux-gnu{*,libc1*}): Add sparc/t-linux. + * sparc/t-linux: New file. + + * alpha/elf.h (LINK_SPEC): Fix typo. + * configure.in (alpha-*-linux-gnu*): Set tmake_file. + * alpha/t-linux: New file. + +Mon Jul 14 07:41:37 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k.c (output_{and,ior,xor}si3): New functions from patterns bodies. + * m68k.h (output_{and,ior,xor}si3): New extern declarations. + * m68k.md (adddi3, subdi3): Allow constant operand. + (anddi3, iordi3, xordi3): New patterns. + ({and,ior,xor}si3_internal): Use corresponding output_???si3 function. + +Mon Jul 14 07:33:11 1997 Fila Kolodny <fila@ibi.com> + + * configure.in (*-*-gnu*): Add crt{begin,end}S.o to extra_parts. + +Mon Jul 14 07:26:36 1997 Craig Burley <burley@gnu.ai.mit.edu> + + * varasm.c (assemble_variable): If low part of size + doesn't fit in an int, variable is too large. + +Mon Jul 14 06:51:37 1997 Mike Meissner <meissner@cygnus.com> + + * bitmap.{h,c}: New files. + * Makefile.in (OBJS): Add bitmap.o. + (BASIC_BLOCK_H): New make variable for basic-block.h, bitmap.h. + ({flow,combine,regclass,local-alloc,reload1,reorg,sched}.o): Use + BASIC_BLOCK_H variable instead of basic-block.h. + * basic-block.h (*REG_SET): Delete old implementation; use bitmap.h. + (regset_{size,bytes}): Delete. + (regs_live_at_setjmp): Declare. + (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Delete. + * flow.c (init_regset_vector): Make global; don't take basic block + times # of pseduos as argument. + (life_analysis): Change all init_regset_vector calls. + Use free_regset_vector to release arrays only flow uses at end. + (allocate_for_life_analysis): Change init_regset_vector call. + Don't set regset_{size,bytes}. + (free_regset_vector): Call FREE_REG_SET to release any + memory allocated by each vector. + (propagate_block): Call FREE_REG_SET on dead/live. + (mark_used_regs): Don't use REGSET_ELT_TYPE anymore. + * output.h (allocate_for_life_analysis): Add declaration. + (regno_uninitialized, regno_clobbered_at_setjmp): Likewise. + (dump_flow_info, flow_analysis): Likewise. + * regclass.c (init_reg_sets): Invoke INIT_ONCE_REG_SET. + (allocate_reg_info): Invoke MAX_REGNO_REG_SET. + (regset_release_memory): Free basic_block_live_at_start storage. + * reorg.c (mark_target_live_regs): Delete unused variables. + * sched.c (schedule_block): Free space associated with + reg_pending_sets and old_live_regs. + (schedule_insns): Free bb_{dead,live}_regs on first pass. + (sched_analyze_insn): Use EXECUTE_IF_SET_IN_REG_SET and then clear. + * toplev.c (rest_of_compilation): Call regset_release_memory. + +Mon Jul 14 00:14:13 1997 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (main): Prefer DWARF 2 or stabs with -ggdb. + * ns32k/tek6000.h (PREFERRED_DEBUGGING_TYPE): DBX_DEBUG. + * alpha.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG. + * mips.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG. + +Sun Jul 13 15:11:08 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stupid.c (stupid_mark_refs): If setting reg set only in this + insn and not referenced, make REG_UNUSED note. + +Sun Jul 13 14:03:19 1997 Michael Meissner <meissner@cygnus.com> + + * gcc.c (process_command): If -save-temps and -pipe were specified + together, don't do -pipe. + +Sun Jul 13 12:27:03 1997 Doug Evans <dje@cygnus.com> + + * gcc.c (main): Handle blank in version_string when comparing + with compiler_version. + +Sat Jul 12 01:53:55 1997 Jason Merrill <jason@yorick.cygnus.com> + + * sparc.c (output_function_prologue): Fix offset from CFA. + (sparc_flat_output_function_prologue): Likewise. + +Fri Jul 11 09:49:15 1997 Jeffrey A Law (law@cygnus.com) + + * mips.c (epilogue_reg_mentioned_p): Delete unused function. + (mips_epilogue_delay_slots): Likewise. + (function_epilogue): Greatly simplify. + (mips_expand_epilogue): If we have a null prologue/epilogue, + then use a normal return insn. Emit blockage insns before + stack pointer adjustments. + (mips_can_use_return_insn): Renamed from simple_epilogue_p. All + callers changed. Do not use return insns if $31 is live in the + function or if generating profiling information. + * mips.h (DELAY_SLOTS_FOR_EPILOGUE): Delete. + (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise. + * mips.md (return): Remove expander and change the pattern to + look like a standard "return" insn. + (return_internal): Show use of $31 explictly. + (epilogue expander): Enable. + +Thu Jul 10 13:04:53 1997 Doug Evans <dje@cygnus.com> + + * cccp.c (INO_T_EQ): Return 0 for MSDOS. + + * Makefile.in (CC): Use autoconf value. + +Tue Jul 8 18:08:00 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (gen_subprogram_die): When handling declarations, test + DECL_CONTEXT not decl_class_context before equate_decl_number_to_die. + +Tue Jul 8 16:47:13 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (movsi define_split): Use unsigned HOST_WIDE_INT, + not unsigned. + +Sat Jul 7 00:01:41 1997 Jim Meyering <meyering@eng.ascend.com> + + * i386/t-sol2 (crt[1in].o): Also depend on $(GCC_PASSES). + +Fri Jul 4 11:45:39 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (DWARF_CIE_HEADER_SIZE, DWARF_FDE_HEADER_SIZE, + size_of_cfi, size_of_fde, calc_fde_sizes, next_fde_offset, + cie_size): Lose. + (ASM_OUTPUT_DWARF_STRING): Move earlier. + (INCOMING_FRAME_SP_OFFSET): Provide default. + (initial_return_save): Adjust for CFA offset. + (dwarf2out_frame_debug): Lookup initial CFA offset when setting up. + (output_call_frame_info): Use label subtraction for length fields. + Add pointer to exception region information in for_eh case. + (dwarf2out_do_frame): New fn. + (dwarf2out_frame_init): Use INCOMING_FRAME_SP_OFFSET. + (dwarf2out_frame_finish): Don't bother emitting .debug_frame for + non-Irix targets. Just emit .eh_frame. + (output_die): Refer to an FDE with label subtraction. + * i386.h (INCOMING_FRAME_SP_OFFSET): Define. + * defaults.h (DWARF2_UNWIND_INFO): Define if + INCOMING_RETURN_ADDR_RTX is provided. + * final.c (final): Don't call dwarf2out_frame_debug unless we are + doing dwarf 2. + +Thu Jul 3 17:37:52 1997 Jim Wilson <wilson@cygnus.com> + + * fp-bit.c (unpack_d): Check fraction not sign to distinquish QNaN. + +Wed Jul 2 09:48:03 1997 Michael Meissner <meissner@cygnus.com> + + * loop.c (strength_reduce): Make sure register does not exceed the + table size when looking up the last UID. + +Wed Jul 2 07:47:44 1997 Nick Burrett <n.a.burrett@btinternet.com> + + * genoutput.c (process_template): Place increment expression + outside of putchar function call. + +Wed Jul 2 06:56:52 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * sparc/linux.h (LIBGCC_SPEC): Removed. + (CC1_SPEC): Add %{profile:-p}. + ({CPP,LIB,LINK}_SPEC): Choose glibc 1 or 2 depending on USE_GNULIBC_1. + * configure.in (sparc-*-linux-gnulibc1*): New configuration. + + * configure.in (powerpc-*-linuxgnu*): Default thread_file is posix. + Set xmake_file to x-linux. Add extra_parts. + * rs6000/linux.h (LINK_SPEC): Defined. + + * m68k/linux.h (LINK_SPEC): Pass -shared for -shared. + ({CPP,LINK}_SPEC): Choose for glibc 1 or 2 depending on USE_GNULIBC_1. + * configure.in (m68k-*-linux-gnu*): Default thread_file is `posix'. + (m68k-*-linux-gnulibc1): New configuration. + + * alpha/elf.h (LINK_SPEC): Change ld-gnu.so.1 to ld-linux.so.2. + * configure.in (alpha-*-linux-gnu*): Default thread_file is `posix'. + +Wed Jul 2 06:12:37 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alpha.md (divsi3, modsi3, udivsi3): Comment out. + (extendsfsd2_no_tp): Add alternative with output in MEM, input in REG. + + * configure.in (*-linux*): Add "-gnu" to names to match. + + * libgcc2.c (_trampoline): Add stdcall attribute to VirtualProtect + on i386. + + * objc/objc.gperf: Renamed from gperf. + +Wed Jul 2 05:42:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * objc/Make-lang.in ($(srcdir)/objc/objc-parse.c): Fix command + to use the right file names. + +Tue Jul 1 23:25:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reorg.c (redundant_insn): If INSN or possible match has REG_UNUSED + note, don't have match. + +Tue Jul 1 18:36:24 1997 Doug Evans <dje@cygnus.com> + + * mips.c (mips_output_external): Don't output .extern's for + variables in user specified sections unless they're .sbss/.sdata. + +Tue Jul 1 18:30:26 1997 Jim Wilson <wilson@cygnus.com> + + * cse.c (find_best_addr): Add missing rtx_cost arguments. + + * fp-bit.c (float_to_usi): Move code for negative numbers before code + for infinity. Modify infinty code to only handle positive infinities. + +Tue Jul 1 11:16:41 1997 Robert Lipe <robertl@dgii.com> + + * fixinc.sco: Restore pwd after copy. + Convert declaration of abs in math.h to prototype. + Fix static functions in sys/stat.h for C++. + +Tue Jul 1 10:55:47 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.md ({add,ior,xor}si3): Change to use define_expand wrapper + and split add/ior/xor of large constants early. + (andsi3): Remove 6/29 code to do and of large constants. + (nor, nand, eqv, maskir): Add names to all logical define_insns. + +Tue Jul 1 09:03:35 1997 Jeffrey A Law (law@cygnus.com) + + * h8300.h (BIGGEST_FIELD_ALIGNMENT): Remove definition. + * mips.h (BIGGEST_FIELD_ALIGNMENT): Likewise. + +Mon Jun 30 14:58:00 1997 Jeffrey A Law (law@cygnus.com) + + * sh.c (sh_expand_epilogue): Emit blockage insn before cutting + back stack. + +Sun Jun 29 11:27:07 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (TARGET_FLAGS): Add -m{,no-}update to suppress + creating load/store with update instructions, and also + -m{,no-}fused-madd to suppress the generation of fused add and + multiply instructions. Move debug flags to TARGET_OPTIONS. + (GO_IF_LEGITIMATE_ADDRESS): Don't allow PRE_{INC,DEC} if -mno-update. + (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto. + (rs6000_debug_{name,stack,arg}): Add declarations. + (toc_initialized): Likewise. + (got_no_const_operand): Likewise. + (PREDICATE_CODES): Add got_no_const_operand. + (toc_section): Make toc_initialized a global. + (RTX_COSTS): Set appropriate costs for add, logical operators that + are really two instructions. + + * rs6000.c (rs6000_debug_{name,stack,arg}): Add definitions. + (rs6000_override_options): Process debug flags. + (toc_initialized): Global to say toc initialized. + (small_data_operand): Use #if TARGET_ELF, not #ifdef TARGET_SDATA. + (rs6000_init_expanders): Likewise. + (SMALL_DATA_RELOC): Likewise. + (got_no_const_operand): Recognize SYMBOL_REF and LABEL_REF. + (rs6000_makes_calls): System V profiling doesn't count as a call. + (rs6000_stack_info): Likewise. + (rs6000_output_load_toc_table): Take register number argument to + determine register to load. Generate correct code if more than + one toc table is done in System V due to profiling or non-local + gotos. If System V toc is not initialized, initialize it now. + (rs6000_allocate_stack_space): Move code from output_prolog to + allocate stack space. Take -mno-update into account. + (output_prolog): Call rs6000_allocate_stack_space. Only set + rs6000_pic_func_labelno if not profiling. + (output_function_profiler): Implement System V profiling. + (and_operand): Don't call reg_or_short_operand. + (rs6000_finalize_pic): If not optimizing, insert a USE of the GOT + register as the last insn. + + * rs6000.md (load/store update): Take -mno-update into account. + If -msoft-float, support SF load/store with update to GPR regs. + (allocate_stack): Take -mno-update into account. + (add/subtract + multiply instructions): Take -mno-fused-madd into + account. + (nonlocal_goto_receiver): Specify register # to load. + ({add,and,ior,xor}si3): Recognize operation done with full 32 bit + constant, splitting latter if need be. + (andsi3 define_split): Fix up splitting andsi3 of large constant. + ({ior,xor}si3 define_split): Use GEN_INT to create integer rtx + values. + (movsi_got{,_internal}): Split the load of a CONST into load of + the SYMBOL_REF/LABEL_REF and an add. + (movsi): Know that addsi3 can handle large values now for NT. + + * sysv4.h (TARGET_SDATA): Remove explicit bit for -msdata. + (SUBTARGET_OVERRIDE_OPTIONS): Likewise. + (ASM_OUTPUT_ALIGNED_LOCAL): Likewise. + (SUBTARGET_SWITCHES): Indicate -m{,no-}sdata doesn't set any flags. + (ASM_SPEC): Only pass -m{,no-}reg-names if assembling .s/.S files. + (CC1_SPEC): If -msdata, invoke compiler with -msdata=default. + (PROFILE_BEFORE_PROLOGUE): Likewise. + (RS6000_MCOUNT): Define as "_mcount". + (toc_section): Make toc_initialized a global. + +Fri Jun 27 19:01:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * config/t-linux-gnulibc1: New file. + * configure.in (i[3456]86-*-linux*): Default thread_file is `posix'. + (i[3456]86-*-linux*gnulibc1): New case. + * config/linux.h (LIB_SPEC): Choose for glibc 1 or 2 depending + on USE_GNULIBC_1. + * i386/linux.h (CPP_SPEC, LINK_SPEC): Likewise. + +Fri Jun 27 19:00:52 1997 Ralf Baechle <ralf@waldorf-gmbh.de> + + * config/linux.h (PREFERRED_DEBUGGING_TYPE): Undefine before define. + +Fri Jun 27 18:35:04 1997 Alan Modra <alan@spri.levels.unisa.edu.au> + + * configure.in: Clean up Make-{host,target,hooks} in all + subdirs, not just '.'. + * Makefile.in (distclean): Delete */Make-{host,target,lang,hooks}. + +Fri Jun 27 18:27:11 1997 Fila Kolodny <fila@ibi.com> + + * config/xm-gnu.h (fcntl.h): Only include if not building libgcc.a. + +Fri Jun 27 18:17:44 1997 Doug Evans <dje@cygnus.com> + + * configure.frag: Rewrite. + + * objc/Make-lang.in (OBJC_CCOMMON): Object files don't go in srcdir. + (OBJC_OBJS): Likewise. + (OBJC_O): Likewise. + (objc-parse.o, objc-act.o): Fix rules. + (objc/libobjc files): Fix rules. + +Fri Jun 27 13:23:38 1997 Andrew Cagney <cagney@tpgi.com.au> + + * fp-bit.c (float_to_si): Correct return value when Inf. + +Fri Jun 27 10:47:09 1997 Scott Christley <scottc@net-community.com> + + * Makefile.in (DLLTOOL): Define. + * objc/Make-lang.in (libobjc_entry.o, libobjc_s.a, libobjc.dll): + New targets. + (objc.install-normal): Install Objective-C runtime as a DLL. + (objc.mostlyclean): Clean up files used to build DLL. + * objc/libobjc.def: New file. + * objc/libobjc_entry.c: New file. + + * objc/sendmsg.c (search_for_method_in_list): No longer static. + + * Makefile.in (GCC_THREAD_FILE): Renamed from OBJC_THREAD_FILE. + * configure.lang (GCC_THREAD_FILE): Likewise. + * configure.in (--enable-threads): New parameter. + * objc/Make-lang.in (OBJC_THREAD_FILE): New definition.e + * objc/config-lang.in: Print message about ObjC thread file. + + * cccp.c (INO_T_EQ): Define for Win32 but not Cygwin32. + * i386/mingw32.h: New file. + * i386/xm-mingw32.h: New file. + * configure.in (i[3456]86-*-mingw32): New target. + * protoize.c (link): Eliminate definition on Win32. + + * objc/thr-posix.c (__objc_thread_yield): Use sched_yield instead. + +Fri Jun 27 10:36:41 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS): + Round up when calculating possible end address. + +Wed Jun 25 19:54:29 1997 Jim Wilson <wilson@cygnus.com> + + * unroll.c (final_giv_value): Verify that bl->initial_value is + invariant before trying to use it. + +Wed Jun 25 18:13:05 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000/sysv4.h (WCHAR_TYPE{,_SIZE}): Make wchar_t long as per + ABI spec. + +Wed Jun 25 16:56:16 1997 Jason Merrill <jason@yorick.cygnus.com> + + * sparc.h (INCOMING_RETURN_ADDR_RTX): Define. + (DBX_REGISTER_NUMBER): Fix frame pointer regno for -mflat. + * sol2.h (DBX_REGISTER_NUMBER): Likewise. + * sparc.c (save_regs): Emit dwarf2 frame debug info. + (output_function_prologue, sparc_flat_save_restore, + sparc_flat_output_function_prologue): Likewise. + + * dwarf2.h (enum dwarf_call_frame_info): Add DW_CFA_GNU_window_save. + * dwarf2out.c (dwarf_cfi_name, output_cfi): Support it. + (dwarf2out_cfi_label): Make non-static. + (initial_return_save): Support PLUS. + (dwarf2out_window_save, dwarf2out_return_save, + dwarf2out_return_reg): New fns. + + * dwarf2out.c (SECTION_FORMAT): Use PUSHSECTION_FORMAT, if defined. + (DEBUG_INFO_SECTION): Rename from DEBUG_SECTION. + (DEBUG_LINE_SECTION): Rename from LINE_SECTION. + * mips/iris6.h: Likewise. + +Wed Jun 25 16:25:41 1997 Scott Christley <scottc@net-community.com> + + * Makefile.in (GCC_PASSES): Don't define with $(exeext). + * configure.in ({cc,stage_prefix}_set_by_configure): Eliminate extra + comma and don't pass value to configure.lang. + * objc/Make-lang.in (objc-runtime): Add objc-headers. + + * configure.in: Execute configure.frag in a shell. + + * configure.in (cross_overrides, build_overrides): Default to + /dev/null to help platforms where sed cannot handle empty filenames. + + * Reorganize thread implementation to make a clearly defined + front-end/back-end interface. + * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Completely + rework according to new interface. + * objc/thr-{solaris,win32}.c: Likewise. + * objc/thr.c: Likewise. + * objc/thr.h: Define front-end/back-end interface functions and + structures. + +Wed Jun 25 16:14:10 1997 Ovidiu Predescu <ovidiu@net-community.com> + + * Complete implementation of +load. + * objc/init.c (objc_send_load): New function. + (objc_class_tree): New structure. + (create_tree_of_subclasses_inherited_from): New function. + (__objc_tree_insert_class): New function. + (objc_tree_insert_class): New function. + (objc_preorder_traverse): New function. + (objc_postorder_traverse): New function. + (__objc_tree_print): New function. + (__objc_destroy_class_tree_node): New function. + (class_is_subclass_of_class): New function. + (__objc_exec_class): Allocate class tree list and load hash table. + (__objc_send_message_in_list): Rewrite using hash table. + (__objc_send_load): Remove calls to _objc_load_callback. + (objc_send_load): Make static. Create Tree of classes resembling + class hierarchy for all modules. Call __objc_send_load on all of + the modules in __objc_module_list. + (__objc_create_classes_tree): New function. + + * objc/encoding.h (method_get_sizeof_arguments): Fix typo. + * objc/objc-api.h (OBJC_ERR_BAD_STATE): New error code. + On NeXT redefine object_copy and object_dispose to avoid + a conflict with those defined in system library. + * objc/selector.c (__objc_register_instance_methods_to_class): New + function. + * objc/runtime.h: Likewise. Add missing function prototypes. + +Wed Jun 25 15:09:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (Makefile): Execute configure.frag from srcdir. + + * Makefile.in (configure): Target is $(srcdir)/configure. + +Tue Jun 24 15:18:14 1997 Jim Wilson <wilson@cygnus.com> + + * m68k.h (LIMIT_RELOAD_CLASS): Define. + + * recog.c (constrain_operands): When checking earlyclobbers, use + operands_match_p instead of rtx_equal_p. + + * dwarfout.c (field_byte_offset): Check for object_offset_in_bits + greater than bitpos_int and recompute object_offset_in_bytes if true. + + * mips.md (movdi_internal): Add x/J alternative. + (movdi_internal2): Add x/J alternative; change a/I to a/J. + (movsi_internal1, movsi_internal2): Change x/I alternative to x/J. + +Tue Jun 24 08:49:56 1997 Jeffrey A Law (law@cygnus.com) + + * pa.h (ASM_OUTPUT_SECTION_NAME): Fix typo. + +Mon Jun 23 22:48:00 1997 Jim Wilson <wilson@cygnus.com> + + * unroll.c (find_splittable_givs): Set splittable_regs_updates to + biv_count for reduced givs. + +Mon Jun 23 10:51:53 1997 Jeffrey A Law (law@cygnus.com) + + * mn10200.c, mn10200.h, mn10200.md: New files for mn10200 port. + * lib1funcs.asm, divmod.c, udivmod.c, udivmodsi4.c: Likewise. + * t-mn10200, xm-mn10200.h, va-mn10200.h: Likewise. + * Makefile.in (USER_H): Add va-mn10200.h. + * varargs.h, stdarg.h: Include va-mn10200.h. + * configure.in (mn10200-*-*): New target. + +Sun Jun 22 06:47:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * combine.c (force_to_mode): Don't do anything for ASM_OPERANDS insn. + +Sun Jun 22 06:29:28 1997 J. Kean Johnston <jkj@sco.com> + + * ginclude/stdarg.h: Protect va_list definition from SCO headers. + * ginclude/varargs.h: Likewise. + +Sat Jun 21 20:56:23 1997 Scott Christley <scottc@net-community.com> + + * Make ObjC a front-end language. + * Makefile.in (LANGUAGES, COMPILERS, .PHONY, stmp-int-hdrs): Remove + specific references to ObjC compiler and source files. + ({mostly,dist,maintainer,}clean, install-normal): Likewise + (OBJC_OBJS, OBJC, OBJECTIVE-C, cc1obj, objc-runtime): Rules deleted. + (libobjc.a, sublibobjc.a, objc-parse.{o, c, y}): Rules deleted. + (objc-headers, install-libobjc): Rules deleted. + * objc/Make-lang.in: New file; from rules deleted above. + * objc/config-lang.in: New file. + * objc/Makefile.in: Changes to support ObjC as a front-end language; + renamed from Makefile.in. + * objc-act.{c,h}, objc-parse.{c,y}, objc-tree.def: Moved to objc dir. + +Sat Jun 21 07:54:36 1997 Robert Lipe <robertl@dgii.com> + + * fixinc.sco (math.h): Correct the collision of "exception". + +Sat Jun 21 06:51:40 1997 Peter Gerwinski <peter@agnes.dida.physik.uni-essen.de> + + * rs6000.c (output_epilog): Name is "GNU Pascal", not all caps. + +Sat Jun 21 06:29:19 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * gcc.c (main): Check for and read ${libdir}/gcc-lib/specs to + override the default specs. + +Fri Jun 20 17:20:15 1997 Jim Wilson <wilson@cygnus.com> + + * mips.c (output_block_move): When loading addresses into registers, + add checks for ABI_N32 and ABI_64. + (mips_expand_prologue): Add check for SImode in code splitting + tsize_rtx when it is large_int. + +Fri Jun 20 09:07:31 1997 Russell King <rmk92@ecs.soton.ac.uk> + + * configure.in (arm-*-linuxaout): New target. + * arm/lib1funcs-linux.asm, arm/linux-gas.h: New files. + * arm/linux.h, arm/t-linux, arm/xm-linux.h: New file. + * xm-linux.h: Undef some macros before defining them. + +Thu Jun 19 21:18:20 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (output_line_info): Always use DW_LNE_set_address instead + of DW_LNS_fixed_advance_pc for line number addresses. + (size_of_line_info): Adjust size calculation as per above change. + (text_end_label): Make it static. + +Thu Jun 19 14:55:49 1997 Brendan Kehoe <brendan@cygnus.com> + + * toplev.c (xmalloc): Only give the fatal msg if SIZE is nonzero. + +Sun Apr 27 23:19:13 1997 Ulrich Drepper <drepper@cygnus.com> + + * libgcc2.c (__eh_type): Remove `extern' to make this a definition. + +Wed Jun 18 18:10:16 1997 Per Bothner <bothner@cygnus.com> + + * dbxout.c (dbxout_type_fields): Skip field if DECL_IGNORED_P. + +Wed Jun 18 18:04:33 1997 Mike Stump <mrs@cygnus.com> + + * except.c (end_eh_unwinder): If we have a return instruction, we + have to make sure we use it and don't fall off the end of the + function in the unwinder. + +Wed Jun 18 14:27:58 1997 Mike Stump <mrs@cygnus.com> + + * flow.c (find_basic_blocks): Fix end case bug. + +Tue Jun 17 18:35:57 1997 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__eh_pcnthrow): Add support -fno-sjlj-exceptions + -fPIC exception handling on the SPARC. + * sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise. + * libgcc2.c (__eh_ffetmnpc): Remove. + +Mon Jun 16 20:28:51 1997 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c (extract_string): Null-terminate. + +Mon Jun 16 14:38:44 1997 Michael Meissner <meissner@cygnus.com> + + * combine.c (set_nonzero_bits_and_sign_copies): Use REG_SET macros + instead of doing bit operations directly. + (try_combine,reg_dead_at_p): Ditto. + * caller-save.c (save_call_clobbered_regs): Ditto. + * reload1.c (reload): Ditto. + * local-alloc.c (update_equiv_regs,block_alloc): Ditto. + * sched.c (schedule_block): Dito. + +Sun Jun 15 20:46:12 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (dwarf2out_frame_debug): Handle IOR. + (struct limbo_die_struct): Define. + (TYPE_DECL_IS_STUB): Call decl_ultimate_origin if DECL_ABTRACT_ORIGIN + is set. + (limbo_die_count): Delete. + (libmo_die_list): Define. + (new_die): Add die to limbo_die_list instead of incrementing + limbo_die_count. + (add_AT_location_description): Renamed from add_location_attribute. + New parameter attr_kind. + (add_location_or_const_value_attribute, gen_subprogram_die, + add_bound_info): Change call to add_AT_location_description. + (add_bound_info): Add call to contains_placeholder_p. Ignore + MAX_EXPR and VAR_DECL. + (add_subscript_info): Ignore the index type if it is an unnamed + integral type. + (scope_die_for): Move check for function-local tags after code setting + containing_scope, and add check for non-NULL containing_scope + (add_type_attribute): If unnamed type, use TREE_TYPE instead. + (gen_enumeration_type_die, gen_struct_or_union_type_die): Call + add_child_die if die_parent is NULL. + (gen_subprogram_die): Ifdef out DW_AT_static_link code. + (decls_for_scope): Delete decrement of limbo_die_count. + (dwarf2out_finish): Add code to traverse the limbo_die_list, and + call add_child_die if die_parent is NULL. Delete limbo_die_count code. + * mips.c (mips_expand_prologue): If tsize_rtx is large_int, emit two + insns instead of one splitable insn, setting RTX_FRAME_RELATED_P. + +Fri Jun 13 19:33:35 1997 Brendan Kehoe <brendan@cygnus.com> + + * fixincludes: Also fix AIX NULL macro in sys/{dir,param,types}.h. + +Thu Jun 12 22:53:12 1997 Jim Wilson <wilson@cygnus.com> + + * m68k.md (mov[qhs]i): Remove pair of constraints which allow + offsetable memory addresses to be moved to the same for TARGET_5200. + +Thu Jun 12 15:33:01 1997 Jeffrey A Law (law@cygnus.com) + + * pa.h (SELECT_RTX_SECTION): Place symbolic operands into the + data section. + + * pa.c (emit_move_sequence): Rewrite code to handle arithmetic + involving plabels. + +Wed Jun 11 08:57:14 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * tree.c (unsave_expr_now): Avoid recursing into the parts of + the tree that are RTL. + +Thu Jun 12 09:43:55 1997 Jeffrey A Law (law@cygnus.com) + + * reorg.c (emit_delay_sequence): Call set_new_first_and_last_insn + after the new sequence insn has been spliced into the insn chain. + +Wed Jun 11 23:10:49 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (call, call_value): Use "call" instead of "calls" + for calls to named functions. + +Wed Jun 11 00:22:34 1997 Jim Wilson <wilson@cygnus.com> + + * configure, configure.in: Restore changes from Feb 15 to Apr 13 + lost during conversion to autoconf. + +Tue Jun 10 18:23:35 1997 Mike Stump <mrs@cygnus.com> + + * stmt.c (expand_decl_cleanup): Avoid core dumping when exceptions + aren't on. + +Tue Jun 10 18:22:30 1997 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c (extract_string): New fn. + (main): Use it. + +Tue Jun 10 17:40:15 1997 Jim Wilson <wilson@cygnus.com> + + * expr.c (emit_group_load): Add case using gen_lowpart. + +Tue Jun 10 17:14:58 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (rs6000_override_options): If -mcpu=403, set -mstrict-align. + + * rs6000/t-ppc{,gas} (MULTILIB_EXTRA_OPTS): Build libraries with + -mstrict-align. + + * configure.in ({powerpc,rs6000}*-*-*): Add embedded targets to + --with-cpu=n support. + +Tue Jun 10 07:06:12 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * flow.c (mark_used_regs): Fix typo in Jun 4 change. + +Mon Jun 9 20:26:26 1997 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (MAYBE_USE_COLLECT2): Renamed from MAYBE_USE_COLLECT. + +Mon Jun 9 19:42:21 1997 Jason Merrill <jason@yorick.cygnus.com> + + * fold-const.c (fold): Don't do COND_EXPR -> MIN_EXPR folding if it + loses information that might be needed by a later use as an lvalue. + +Mon Jun 9 19:10:50 1997 Alexandre Oliva <oliva@dcc.unicamp.br> + + * configure.in: Don't override a user's setting for prefix + on platforms that use the native prefix. + +Mon Jun 9 19:00:49 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu> + + * integrate.c (expand_inline_function): Use the mode of FNDECL's + result rtl, not the result type itself, in setting ARRIVING_MODE. + + * reload1.c (reload): Use xmalloc instead of alloca for the label + offsets in OFFSETS_AT and OFFSETS_KNOWN_AT. + +Mon Jun 9 15:16:52 1997 Mike Stump <mrs@cygnus.com> + + * flow.c (find_basic_blocks): Eliminate more dead code, enables + dead throws to be eliminated. + +Mon Jun 9 17:15:50 1997 Stephen L Moshier <moshier@world.std.com> + + * alpha.c (check_float_value): Underflow and overflow constants + are different for FLOAT_VAX and default targets. + +Mon Jun 9 16:48:21 1997 Scott Christley <scottc@net-community.com> + + * Makefile.in (Makefile): Process language fragments. + * configure.frag: New file. + * configure.in: Move language fragment processing to configure.lang.e + + * Makefile.in (GCC_PASSES): Prevent all compilers from being + built when only the C compiler is needed. + + * configure.in (cross_overrides, build_overrides): Use absolute + path to GCC top-level source directory. + + * configure.in: Save target alias for language directories. + + * configure.in (with-gxx-include-dir): New parameter for + setting the g++ header file directory. + * Makefile.in (gxx_include_dir): Use autoconf variable. + + * configure.in: Add parameter for setting local prefix. + + * configure.lang: New file. + * configure.in: Move language subdirectory Makefile processing + into configure.lang. + +Mon Jun 9 16:44:47 1997 Jim Wilson <wilson@cygnus.com> + + * sched.c (attach_deaths): Fix typo in Jun 4 change. + +Mon Jun 9 15:13:00 1997 Marc Lehmann (pcg@goof.com) + + * varasm.c (assemble_end_function): Switch back to function + section after outputting constant pool. + +Mon Jun 9 14:47:22 1997 Paul Eggert <eggert@twinsun.com> + + * tree.c (change_main_variant): Remove unused function. + (build_array_type): Remove obsolete references to + change_main_variant. + * c-decl.c (complete_array_type): Likewise. + + * c-common.c (c_build_type_variant): Don't futz with main type + variant of array since C Standard requires main type variant of + array-of-const also be array-of-const. + + * Makefile.in: Comment out lines containing just formfeeds. + + * Makefile.in (distclean): Remove config.bak. + (maintainer-clean): Output warning. + Do not remove `configure'. + +Mon Jun 9 14:44:17 1997 J.T. Conklin <jtc@netbsd.org> + + * configure.in (*-*-netbsd): Restore changes of Apr 13th lost in + autoconf conversion: tmake_file now t-netbsd; delete xmake_file. + +Mon Jun 9 14:39:29 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_builtin, case BUILT_IN_FRAME_ADDRESS): + Use correct function name in error message. + + * Makefile.in (diff): Exclude bi-parser.h. + + * i386.h (CC1_CPU_SPEC): Renamed, was CC1_SPEC. + (CC1_SPEC): New macro. + (EXTRA_SPECS): Add "cc1_cpu". + * i386/linux.h (CC1_SPEC): New macro. + +Mon Jun 9 13:23:06 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k/next.h (TARGET_DEFAULT): Use MASK_68040, + not MASK_68040_ALSO. + * m68k/mot3300.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise. + + * m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Test #ifdef __mcf52000__, + not if (TARGET_52000); fixed for mc68000 case. + + * m68k/mot3300.h (CPP_SPEC): Define __mc68020__ if no -m[c]68000 + command-line option given. + +Mon Jun 9 09:19:17 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * Makefile.in (target_alias): Substitute with target_alias. + + * final.c (final_scan_insn): Use single_set to check cc_status.flags. + +Mon Jun 9 09:09:07 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-common.c (check_format_info): Correct handling of the 'a' flag + which adds another pointer level. + +Sun Jun 8 00:34:25 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (conditional branch insns): Get length right for branches + to targets which can not be reached with a "bl" instruction. + * pa.c (output_cbranch): Handle branches to targets which can not + be reached with a "bl" instruction. + + * pa.md (alternate dbra pattern): Remove incorrect pattern. + +Sat Jun 7 23:30:25 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (struct defer_plab): Renamed to struct deferred_plabel. + Remove "symbol" field and replace with "name" field. + (output_function_epilogue): Don't output deferred plabels here. + (output_deferred_labels): New function. Output them here instead. + (output_call): Rewrite long call support. + * pa.h (ASM_FILE_END): Define. + (LEGITIMATE_CONSTANT_P): Never accept a function_label_operand. + * pa.md (HIGH and LO_SUM of function address): Remove patterns. + +Fri Jun 6 16:09:04 1997 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__eh_ffetmnpc): Add support for machines that cannot + access globals after throw's epilogue when -fno-sjlj-exceptions is + used. + * rs6000.c (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise. + * mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise. + (INITIAL_ELIMINATION_OFFSET): Fix RETURN_ADDRESS_POINTER_REGNUM + for 64 bit words, with 32 bit pointers and variable endianness. + +Fri Jun 6 17:27:58 1997 Mike Meissner <meissner@cygnus.com> + + * regclass.c (allocate_reg_info): Fix off by one error. + +Fri Jun 6 17:17:41 1997 Doug Evans <dje@cygnus.com> + + * basic-block.h (EXECUTE_IF_SET_IN_REG_SET): Fix setting of scan_rs_. + (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Likewise. + (EXECUTE_IF_AND_IN_REG_SET): Likewise. + (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise. + +Fri Jun 6 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (notice_cc_update): Set CC_FCOMI is this is a float compare. + +Fri Jun 6 15:12:38 1997 Jim Wilson <wilson@cygnus.com> + + * basic-block.h (REG_SET_TO_HARD_REG_SET): Fix typo. + + * sched.c (update_flow_info): When add extra REG_DEAD note for original + dest, handle case where last insn both uses and sets dest. + +Thu Jun 5 22:19:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * fixinc.irix: Add declaration of __vfork to unistd.h. + + * i960/vx960-coff.h (CPP_SPEC): Always define CPU, even if they + use -ansi; the VxWorks headers assume it's always present. + * sparc/vxsparc.h (CPP_SPEC): Define, adding the CPU definition to + what came from sparc.h. + (CPP_PREDEFINES): Don't define it here. + +Thu Jun 5 13:40:33 1997 Mike Meissner <meissner@cygnus.com> + + * basic-block.c (OBSTACK_ALLOC_REG_SET): Rename from + OBALLOC_REG_SET. Add obstack pointer parameter. + + * flow.c (function_obstack): Add declaration. + (life_analysis): Don't allocate the space to hold to vector of + regsets here. + (init_regset_vector): Add pointer parameter and delete space + parameter. Use OBSTACK_ALLOC_REG_SET to allocate. Change callers. + (propagate_block): Use ALLOCA_REG_SET instead of bare alloca. + + * sched.c (schedule_block): Fix typo in yesterday's changes. + * reorg.c (mark_target_live_regs): Ditto. + +Thu Jun 5 09:44:49 1997 Jeffrey A Law (law@cygnus.com) + + * sh.c (trap_exit, sp_switch): New variables. + (print_operand, case '@'): If trap_exit is nonzero, then use + a trapa instead of an rte/rts to exit the current function. + (sh_expand_prologue): Switch stacks at function entry as needed. + (sh_expand_epilogue): Similarly at function exit. + (function_epilogue): Clear trap_exit and sp_switch too. + (sh_valid_machine_decl_attribute): New function. + * sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Define. + (sp_switch): Declare. + * sh.md (sp_switch_1, sp_switch_2): New named patterns. + +Wed Jun 4 18:11:14 1997 Michael Meissner <meissner@cygnus.com> + + * basic-block.h (REGSET_ELT_BITS): Make this explicitly unsigned, so + that division and modulus of REGSET_ELT_BITS uses a pure shift. + (*_REG_SET): New macros to abstract the register set interface. + + * caller-save.c (save_call_clobbered_regs): Use new *_REG_SET + macros. + * flow.c (life_analysis,propagate_block,insn_dead_p): Ditto. + (regno_uninitialized,regno_clobbered_at_setjmp,mark_set_1): Ditto. + (mark_used_regs,dump_flow_info,global_conflicts): Ditto. + global.c (mark_elimination): Ditto. + * reorg.c (mark_target_live_regs): Ditto. + * sched.c (sched_{analyze_{1,insn},note_set}): Ditto. + (birthing_insn_p,attach_deaths,unlink_notes,schedule_block): Ditto. + + * sched.c (sometimes structure): Delete offset, bit fields, replace + with regno. + (new_sometimes_live): Take regno argument, not offset and bit. + Change all callers. + +Tue Jun 3 19:18:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * fixincludes: Fix AIX NULL macro use of void*. + +Tue Jun 3 15:21:04 1997 Jason Merrill <jason@yorick.cygnus.com> + + * sparc.h (ASM_OUTPUT_MI_THUNK): Handle -fpic. + +Mon Jun 2 16:53:53 1997 Michael Meissner <meissner@cygnus.com> + + * loop.c (n_times_{set,used}): Make type int, not short. + (scan_loop): n_times{set,used} are now int pointers. + + * sched.c (sched_reg_n_deaths): Remove unused variable. + (struct sometimes): Make fields int sized, not short. + (schedule_insns): Don't set sched_reg_n_deaths, nobody uses it. + + * regclass.c (allocate_reg_info): Allocate space for reg_renumber, + but don't set unless new argument RENUMBER_P is set. If this is first + call for function and we need to grow space, use free/xmalloc instead + of realloc since we will be initializing the whole array. If number + of registers is < 0, just free up space. + (reg_scan): Update allocate_reg_info call. + * regs.h (allocate_reg_info): Change prototype. + * flow.c (allocate_for_life_analysis): Update allocate_reg_info call. + * local-alloc.c (local_alloc): Call allocate_reg_info to allocate + and initialize the reg_renumber array. + * stupid.c (stupid_life_analysis): Likewise. + +Mon Jun 2 14:50:06 1997 Dave Miller <davem@jenolan.rutgers.edu> + + * sparc.md (v9 eq/ne cond move patterns): Add early clobber + constraint to destination. + +Fri May 30 11:00:44 1997 Michael Meissner <meissner@cygnus.com> + + * regs.h (reg_info): New structure to group the arrays indexed by + register number created by reg_scan and flow_analysis that are + globally visiable. + (reg_n_info): Pointer to the register information array. + (reg_n_{refs,sets,deaths,calls_crossed}): Delete variables. + (reg_changes_size): Likewise. + (REG_N_{REFS,SETS,DEATHS,CALLS_CROSSED}): New macros to reference + reg_n_info. + (REG_{CHANGES_SIZE,{FIRST,LAST,LAST_NOTE}_UID}): Likewise. + (allocate_reg_info): Add declaration. + + * basic-block.h (reg_basic_block): Delete. + (REG_BASIC_BLOCK): Use reg_n_info structure. + + * caller-save.c: Change all references to the above arrays to use + the corresponding macro to access the reg_n_info array. + * combine.c, cse.c, flow.c, global.c, jump.c, local-alloc.c: Likewise. + * loop.c, regclass.c, reload1.c, sched.c, stupid.c, unroll.c: Likewise. + + * regclass.c (allocate_reg_info): New function to allocate the + reg_info array and initialize the appropriate fields. + (reg_scan): Call it. + * flow.c (allocate_for_life_analysis): Call allocate_reg_info to do + the actual allocation. + +Thu May 29 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.md (movsfcc_1, movdfcc_1, movxfcc_1): Use singlemove_string + for float conditional move when destination and operands all differ. + + * i386.h (ASM_OUTPUT_REG_{PUSH,POP}): add %% before register name. + + * go32.h (ASM_OUTPUT_ALIGN): Use .p2align, not byte alignments. + +Wed May 28 20:44:00 1997 Mike Stump <mrs@cygnus.com> + + * except.c (push_eh_entry): Eliminate start of exception region + label, as it isn't used. Rename end_label to outer_context. + (expand_eh_region_start_for_decl): Likewise. + (expand_leftover_cleanups): Likewise. + (expand_start_all_catch): Likewise. + * except.h (eh_entry): Likewise. + * except.c (expand_eh_region_end): Likewise. Jump around the nop + that we insert, so that we can optimize it away, if it is unused, + also so that flow analysis can tell if we fall through to the end + of a function or not so that it can know if a function that returns + a value, in fact does or not. + +Wed May 28 10:50:09 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (jump): Handle out of range unconditional jump + when not optimizing. + +Thu May 22 00:57:07 1997 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_cse_record_set): Ignore values for SREG if + their mode is narrower than DEST_MODE. + + * pa.h (DFMODE_RETURN_STRING): Define. + (SFMODE_RETURN_STRING): Likewise. + (ASM_DECLARE_FUNCTION_NAME): Use them. + +Wed May 21 23:32:02 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (reload_insi): Handle SUBREG properly. + +Tue May 20 22:32:13 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (dwarf2out_def_cfa): Set cfa_reg at the top. + +Tue May 20 16:57:50 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * cplus-dem.c (do_type): Handle `J'. + (demangle_fund_type): Print "complex" for it. + +Mon May 19 21:01:53 1997 Jim Wilson <wilson@cygnus.com> + + * m68k.c (output_move_qimode): Add coldfire support. + * m68k.h (PUSH_ROUNDING): Add coldfire support. + * m68k.md (scc{,0}_di, seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, + sle, sleu): Add coldfire support. + +Mon May 19 17:53:34 1997 Mike Meissner <meissner@cygnus.com> + + * rs6000.c: (rs6000_pic_func_labelno): New variable. + (rs6000_output_load_toc_table): Use it. + (output_prolog): Store current value. + +Sun May 18 16:32:08 1997 Michael Meissner <meissner@cygnus.com> + + * dbxcoff.h (ASM_OUTPUT_SOURCE_LINE): Use macros + ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL to create/output line + number label. + +Sun May 18 13:55:12 1997 John Vickers (john@rhizik.demon.co.uk) + + * m68k.h (TARGET_SWITCHES): Add new target name, cpu32. + +Sun May 18 13:50:10 1997 Pat Rankin <rankin@eql.caltech.edu> + + * cccp.c (VMS_write, VMS_read): Delete. + (safe_write): If MAX_WRITE_LEN is defined, limit + incremental write attempts to that amount. + (safe_read): Analogous situation for MAX_READ_LEN. + * cpplib.c (safe_read): Likewise. + * vax/xm-vms.h (MAX_WRITE_LEN, MAX_READ_LEN): Define. + + * vax/xm-vms.h (get_dynamic_handler_chain_libfunc): New macro. + (protect_cleanup_actions_with_terminate): New macro. + +Sun May 18 08:50:25 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k/linux.h (ASM_COMMENT_START): Define. + * m68k/linux-aout.h (ASM_COMMENT_START): Define. + + * reload1.c (reload_cse_regno_equal_p): Check for value using more + than one register on a big endian machine. + +Sun May 18 08:39:59 1997 Vince Del Vecchio <vdelvecc@spd.analog.com> + + * loop.c (maybe_eliminate_biv_1): In (set (cc0) <biv>) case, + swap compare operands when mult_val < 0 in one additional place. + +Sun May 18 08:33:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c (ASM_COMMENT_START): Add default definition. + + * Makefile.in (maintainer-claean): Delete configure. + +Sun May 18 08:31:59 1997 Scott Christley <scottc@net-community.com> + + * configure.in: New file. + * Makefile.in: Change to utilize autoconf variables. + * configure: Now an output file. + +Sun May 18 07:48:31 1997 J.T. Conklin <jtc@netbsd.org> + + * m68k.md (mov[qhs]i,movstrict[qs]i, mulsi3): Use 'Q' constraint + for TARGET_5200. + * m68k.h (EXTRA_CONSTRAINT): New macro. + + * m68k.h (TARGET_SWITCHES): Add 68020-60. + Mask out bits which indicate a particular processor when a different + processor is selected. + (MASK_68040_ALSO): Remove. + (MASK_68040): Change to be a single bit. + + * m68k.h (TARGET_ALIGN_INT, MASK_ALIGN_INT): New macros. + (BIGGEST_ALIGNMENT): Determine according to TARGET_ALIGN_INT. + (TARGET_SWITCHES): Add align-int and no-align-int. + + * m68k.md (mov[qhs]i}): Add pair of constraints which allow + offsetable memory addresses to be moved to the same for TARGET_5200. + + * m68k.c (output_move_strict{hi,qi}): New functions. + * m68k.h (output_move_strict{hi,qi}): Declare. + * m68k.md (movstrict*): Changed into define_expands. + Split insns into m68k and coldfire specific versions with appropriate + constraints. + +Sun May 18 07:26:40 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * libgcc2.c (atexit): Cast malloc and realloc calls. + +Sat May 17 16:26:51 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * final.c (profile_function): Call function_section, not + text_section. + +Sat May 17 16:01:00 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * cse.c (notreg_cost): New function, extracted from COST macro. + (COST): Use notreg_cost. + +Sat May 17 15:13:23 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cse.c (cse_insn): Don't record a SRC that's a MEM and the same + as a REG_EQUIV note if DEST is set more than once. + +Fri May 16 14:50:57 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (output_move_double): Handle loading a general register + from a scaled indexed memory address. + * pa.md (movdf, movdi): Allow scaled loads into general registers. + +Fri May 16 13:31:08 1997 Mike Stump <mrs@cygnus.com> + + * rs6000.c (rs6000_stack_info): Only do eabi setup for "main", + when main is the global main, not some nested routine that + happens to be called main. + +Thu May 15 17:19:50 1997 Mike Stump <mrs@cygnus.com> + + * except.c (expand_start_all_catch): If the machine needs to + perform any actions at the start of an expcetion handler that + hasn't already been done, use gen_exception_receiver to emit it. + (expand_leftover_cleanups): Likewise. + * alpha.md (exception_receiver): Use it. + * pa.h (exception_receiver): Use it. + +Thu May 15 08:36:59 1997 Jeffrey A Law (law@cygnus.com) + + * dbxout.c (dbxout_function_end): Don't subtract one from + the end of function scoping stab. + +Wed May 14 23:27:09 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (adddi3, subdi3): Remove expanders and patterns. + +Wed May 14 18:51:35 1997 Mike Stump <mrs@cygnus.com> + + * function.c (expand_function_end): Make sure we finish off any + leftover exception handlers. + +Tue May 13 14:07:01 1997 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_builtin_setjmp): Remove setting of + current_function_has_nonlocal_goto, as this isn't a goto. + +Tue May 13 14:47:40 1997 Richard Earnshaw (rearnsha@cambridge.arm.com) + + * arm.h (CPP_SPEC): Fix typo invoking cpp_endian. + * arm/t-semi (LIB2FUNCS_EXTRA): Build fp-bit.c when compiling + with -msoft-float. + * arm.c: Add prototypes for all static functions. + (output_multi_immediate, int_log2): Make static. + + * arm.h (*_SPEC): Remove all references to mle/mbe. + * arm/coff.h (MULTILIB_DEFAULTS): Likewise. + * arm/t-bare (MULTILIB_OPTIONS): Change options mbe/mle to mbig-endian + and mlittle-endian. + (MULTILIB_MATCHES): Nothing matches that matters. + +Mon May 12 20:42:20 1997 Mike Stump <mrs@cygnus.com> + + * except.c (expand_start_all_catch): If need nonlocal_goto_receiver, + add one at the start of exception handler. + (expand_leftover_cleanups): Likewise. + +Mon May 12 17:36:28 1997 Jeffrey A Law (law@cygnus.com) + + * mips.c (move_operand): Accept any general operand after reload + has started. + +Fri May 9 14:29:33 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (udivmodhi4, divmodhi4): Remove expander, give + corresponding pattern [u]divmodhir4 name. Clear MDR register + in the udivmodhi4 pattern itself. + (clear_mdr): Delete pattern. + +Thu May 8 18:20:30 1997 Richard Earnshaw (rearnshaw@cambridge.arm.com) + + * arm/aout.h (ASM_OUTPUT_LONG_DOUBLE): Delete call to + arm_increase_location. + (ASM_OUTPUT_{DOUBLE,FLOAT,INT,SHORT,CHAR,BYTE,ASCII,SKIP}): Likewise. + (ASM_OUTPUT_ALIGN): Delete all code refering to arm_text_location. + + * arm.c (arm_increase_location, get_prologue_size): Delete. + (arm_naked_function_p): Add declaration. + (arm_pic_register): Define. + (all_procs): Delete entries for arm{60,620,70,7d,7di,700i,710c}; add + entries for arm{7m,7500fe,8}, strongarm and strongarm110. + (arm_override_options): Rework so that configure can properly set + the default processor type. Add a warning that PIC code is not yet + supported. + (legitimate_pic_operand_p, legitimize_pic_address): New functions. + (is_pic, arm_finalize_pic): New functions. + (arm_adjust_cost): New function. + (const_pool_offset, arm_backwards_branch, short_branch): Delete. + (arm_insn_not_targeted): Delete. + (add_constant): If generating AOF syntax, then handle pic specially. + (output_ascii_pseudo_op): Delete calls to arm_increase_location. + (function_really_clobbers_lr): Calls followed by a barrier don't + clobber the link register. + (output_func_prologue): Handle AOF syntax pic code. + (output_func_epilogue): Handle cases where lr_save_eliminated is set. + Delete call to arm_increase_location. + (arm_asm_output_label): Simplify, since we no-longer need to cache the + label's address. + (aof_pic_entry): New function to keep track of pic symbols. + (aof_dump_pic_table): New function. + + * arm.h (TARGET_CPU_arm*, TARGET_CPU_strongarm*, TARGET_CPU_generic): + define. + (CPP_ARCH_DEFAULT_SPEC): Set up based on setting of TARGET_CPU_DEFAULT. + (CPP_SPEC): Split up into sub-rule calls. + (CPP_CPU_SPEC): Add default definition. + (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC): Add definitions. + (CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC): Add definitions. + (CPP_ENDIAN_SPEC, CPP_ENDIAN_DEFAULT_SPEC): Add definitions. + (CC1_SPEC): Map legacy -m[236] onto -mcpu=.. and -mapcs-{26,32} as + appropriate. Similarly for -mbe and -mle to -m{big,little}-endian. + (EXTRA_SPECS): Define. + (enum processor_type): New types for arm8 and strongarm. + (CONDITIONAL_REGISTER_USAGE): Handle flag_pic. + (LEGITIMIZE_ADDRESS): Likewise. + (ADJUST_COST): Define. + (PIC_OFFSET_TABLE_REGNUM): Define. + (FINALIZE_PIC): Define. + (LEGITIMATE_PIC_OPERAND_P): Define. + (OUTPUT_INT_ADDR_CONST): Define. + (ASM_OUTPUT_MI_THUNK): Delete calls to arm_increase_location. + (MASK_RETURN_ADDR): Use TARGET_APCS_32 not TARGET_6. + + * arm.md (attr cpu): Add new cpu types for arm8 and strongarm. + (attr ldsched): New attribute, set if processor has a load_delay slot. + (function_unit core): Rework to handle load delay slots. + (function_unit loader): New function unit. + (movsi): Handle pic. + (pic_load_addr): New expand. + (*pic_load_addr_based_insn, pic_add_dot_plus_eight): New patterns. + (peepholes to cause flow to return to a label after a function call): + Delete, these have been disabled for a while now. + + * arm/riscix.h (CPP_SPEC): Rewrite using new sub-components. + (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2. + * arm/riscix1-1.h (CPP_SPEC): Rewrite using new sub-components. + (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2. + * arm/semi.h: (CPP_SPEC): Delete. + (PROCESSOR_DEFAULT): Delete. + (CPP_APCS_PC_DEFAULT_SPEC): Define. + * arm/semiaof.h (CPP_SPEC): Delete. + (CPP_APCS_PC_DEFAULT_SPEC): Define. + * arm/t-semi (LIBGCC1_TEST): Don't build it. + (MULTILIB_{OPTIONS,DIRNAMES,EXCEPTIONS}): Build a suitable set of + cross libraries. + (LIBGCC): Set to stmp-multilib. + (INSTALL_LIBGCC): Set to install-multilib. + +Thu May 8 15:20:46 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (output_float_compare): For pentiumpro use fcomip + followed by a float stack pop for "compare;pop;pop" cases. + +Thu May 8 13:20:20 1997 Chris Torek <torek@elf.bsdi.com> + + * fold-const.c (fold, truth_andor): Disable optimization for + side effects on RHS. + +Wed May 7 15:43:57 1997 Mike Stump <mrs@cygnus.com> + + * except.c (start_dynamic_handler): Fix so we can use __builtin_setjmp, + and default to using __builtin_setjmp instead of setjmp. + * expr.c (expand_builtin_setjmp): New routine, split out from + existing inline code from expand_builtin. + (expand_builtin): Split out code into expand_builtin_setjmp. + * expr.h (expand_builtin_setjmp): Add declaration. + * libgcc2.c (__sjthrow): Default to using __builtin_setjmp instead + of setjmp. + (__sjpopnthrow): Likewise. + * optabs.c (init_optabs): Likewise. + +Wed May 7 18:01:24 1997 Samuel Figueroa <Samuel_Figueroa@next.com> + + * rs6000.md (insv): Only combine insert with shift if + remaining source bits >= destination field size. + +Tue May 6 15:48:52 1997 Jason Merrill <jason@gerbil.cygnus.com> + + * dwarf2out.c (dwarf2out_begin_prologue): Increment + current_funcdef_number here. + (dwarf2out_end_epilogue): Not here. + +Mon May 5 18:52:32 1997 Jeffrey A Law (law@cygnus.com) + + * h8300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV. + (shift_one, shift_two): Set CC_NO_CARRY as needed. Remove + references to CC_OVERFLOW_0. + (emit_a_shift): Similarly. + * h8300.h (CC_OVERFLOW_0): Remove. + * h8300.md: Use set_zn and set_znv for cc0 tracking. + (bCC): Restore the comparison is CC_OVERFLOW_UNUSABLE is set and + the comparison needs the overflow bits. + + * mn10300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV. + * mn10300.h (CC_NO_CARRY): Define. + * mn10300.md: Use "set_zn" and "set_znv" to more accurately + describe cc0 status. + +Fri May 2 17:00:33 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c: Reorganize, moving .debug_frame support to the top + of the file, and compile it if INCOMING_RETURN_ADDR_RTX is defined + even if DWARF2_DEBUGGING_INFO isn't. + (EH_FRAME_SECTION): New macro. + (output_call_frame_info): Handle .eh_frame variant. + (dwarf2out_def_cfa): Update cfa_*{reg,offset}. + (dwarf2out_frame_debug): Move cfa_*{reg,offset} to file scope. + (dwarf2out_end_epilogue): Increment current_funcdef_number here. + (dwarf2out_decl): Not here. + (dwarf2out_frame_init, dwarf2out_frame_finish): New fns. + (dwarf2out_init, dwarf2out_finish): Call them. + (output_die): Add missing 'case 8:' + (dwarf2out_decl): Revert other context_die = NULL change. + (add_bound_info): Restore default case. + +Fri May 2 15:30:16 1997 Doug Evans <dje@seba.cygnus.com> + + * m32r.h (LIT_NAME_P): New macro. + (SMALL_NAME_P): Use it. + (ASM_OUTPUT_ALIGNED_COMMON): Don't output to scommon if -msdata=none. + * m32r.c (addr24_operand): Handle literals. + (m32r_output_function_prologue): Use IMMEDIATE_PREFIX. + (m32r_output_function_epilogue): Likewise. Use shorter add insn if + able. + +Fri May 2 14:40:44 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (RS6000_ALIGN): Macro renamed from ALIGN. + * rs6000.c (rs6000_stack_info): Use it. + +Fri May 2 14:15:54 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload1.c (reload_cse_noop_set_p): When checking the values + equivalent to sreg, make sure the mode is right. + +Fri May 2 12:53:03 1997 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_cse_invalidate_regno): Properly set + the mode for invalidate_regno_rtx. + +Thu May 1 14:57:35 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (call_internal_symref): Fix typo. + +Thu May 1 14:44:17 1997 Jim Wilson <wilson@cygnus.com> + + * mips.c (mips_asm_file_start): Use new macro TARGET_FILE_SWITCHING. + (mips_asm_file_end): Likewise. + * mips.h (TARGET_FILE_SWITCHING): Define. + (NO_DBX_FUNCTION_END): Define. + +Thu May 1 09:08:40 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.c (output_addsi3): Replace "\\;" by "\n\t" in + assembler templates. + +Thu May 1 09:00:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * integrate.c (subst_constants, case SUBREG): Cancel changes once + done with result. + +Wed Apr 30 19:45:56 1997 Jim Wilson <wilson@cygnus.com> + + * mips.c (override_options): Set mips_split_addresses only if + TARGET_SPLIT_ADDRESSES is set. + * mips.h (MASK_SPLIT_ADDR, TARGET_SPLIT_ADDRESSES): New macros. + (TARGET_SWITCHES): Add -msplit-addresses, -mno-split-addresses. + * configure (mips*-*-ecoff*, mips*-*-elf*): Set MASK_SPLIT_ADDR + bit in target_cpu_default2. + + * flags.h (current_function_is_thunk): Add extern to declaration. + + * dbxout.c (dbxout_function): Test NO_DBX_FUNCTION_END at run time + instead of compile time. + + * unroll.c (set_dominates_use): In second loop, add check for copy_end. + + * mips.md (paradoxical_extendhidi2, paradoxical_extendqidi2): New + patterns. + +Wed Apr 30 02:23:24 1997 Jason Merrill <jason@yorick.cygnus.com> + + * output.h (named_section): Add reloc argument. + (DECL_READONLY_SECTION): New macro. + * varasm.c (named_section): Add reloc argument, pass it to + ASM_OUTPUT_SECTION_NAME. + (UNIQUE_SECTION, UNIQUE_SECTION_P): Provide defaults. + (function_section): Pass reloc argument to named_section. + (variable_section, exception_section): Likewise. + (output_constant_def_contents): Likewise. + (assemble_start_function): Use UNIQUE_SECTION_P. UNIQUE_SECTION is + now a statement. + (assemble_variable): Likewise. + * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Add reloc arg, + use DECL_READONLY_SECTION. + * psos.h, ptx4.h, a29k.h, alpha/elf.h, arm/coff.h, h8300.h: Likewise. + * i386/go32.h, i386/sco5.h, m68k/coff.h, mips/elf64.h: Likewise. + * mips/netbsd.h, pa.h, rs6000/sysv4.h, sh.h, sparc/sysv4.h: Likewise. + * config/svr4.h (SELECT_SECTION): Use DECL_READONLY_SECTION. + (ASM_OUTPUT_SECTION_NAME): Likewise, add reloc argument. + (MAKE_DECL_ONE_ONLY): Just set DECL_WEAK. + (UNIQUE_SECTION, UNIQUE_SECTION_P): Define. + * i386/cygwin32.h (UNIQUE_SECTION_P): Define. + (SUPPORTS_ONE_ONLY): Define. + (MAKE_DECL_ONE_ONLY): Lose. + (ASM_OUTPUT_SECTION_NAME): Add reloc arg, use DECL_READONLY_SECTION. + * i386/winnt.c (i386_pe_unique_section): Add reloc arg, + use DECL_READONLY_SECTION. + + * mips/iris6.h (CTORS_SECTION_ASM_OP): Change aligment based on ABI. + (DTORS_SECTION_ASM_OP): Likewise. + +Tue Apr 29 16:08:07 1997 Jeffrey A Law (law@cygnus.com) + + * pa/lib1funcs.asm (divnorm, modnorm, exitdiv): Fix code to + negate SImode values. + +Tue Apr 29 12:54:14 1997 Mike Stump <mrs@cygnus.com> + + * except.c (expand_eh_region_start_tree): Add DECL argument so we + can better track why the region was made for error reporting. + * except.h (expand_eh_region_start_tree): Likewise. + * tree.h (expand_dhc_cleanup): Likewise. + (expand_dcc_cleanup): Likewise. + * except.c (expand_eh_region_start_for_decl): New routine. + * except.h (expand_eh_region_start_for_decl): Likewise. + * stmt.c (expand_decl_cleanup): Add DECL to call of + expand_eh_region_start_tree. + (expand_dcc_cleanup): Likewise. + (expand_dhc_cleanup): Likewise. + (expand_start_case): Switches introduce conditional contexts. + (expand_start_case_dummy): Likewise. + (expand_start_case_dummy): Likewise. + (expand_end_case): Likewise. + +Tue Apr 29 11:45:09 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (dwarf2out_decl): Undo earlier change. + (constant_size): Likewise. + (gen_subprogram_die): Handle NULL context_die. + + * mips/iris6.h (ASM_OUTPUT_CONSTRUCTOR): Fix for -mabi=64. + (ASM_OUTPUT_DESTRUCTOR): Likewise. + +Mon Apr 28 09:10:19 1997 Jeffrey A Law (law@cygnus.com) + + * h8300.c (push_order, pop_order): Add missing initializer entries. + +Fri Apr 25 19:39:43 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * h8300.c (output_adds_subs): Check for adding 0. + +Fri Apr 25 14:52:31 1997 Jim Wilson <wilson@cygnus.com> + + * configure (i[3456]86-*-freebsdelf*, i[3456]86-*-freebsd*): Use + t-freebsd instead of x-freebsd. + * i386/t-freebsd: Renamed from x-freebsd. + +Fri Apr 25 12:16:20 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * go32.h (DBX_*): Use definitions from config/dbxcoff.h instead. + +Fri Apr 25 11:55:54 1997 Jason Merrill <jason@yorick.cygnus.com> + + * i386/cygwin32.h (MULTIPLE_SYMBOL_SPACES): Define. + +Thu Apr 24 18:32:56 1997 Jason Merrill <jason@yorick.cygnus.com> + + * i386/winnt.c (i386_pe_unique_section): New fn. + * i386/cygwin32.h (UNIQUE_SECTION): Define. + (MAKE_DECL_ONE_ONLY): Define. + (ASM_OUTPUT_SECTION_NAME): Support DECL_ONE_ONLY. + + * c-decl.c (implicitly_declare): Don't set DECL_ARTIFICIAL. + +Thu Apr 24 17:11:23 1997 Jim Wilson <wilson@cygnus.com> + + * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add + TARGET_5200 support. + +Thu Apr 24 16:39:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (pushcase_range): Check for null range first. + +Wed Apr 23 23:06:28 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload1.c (reload_cse_record_set): Use push_operand to check for + changes to the stack pointer. + +Wed Apr 23 19:56:01 1997 Jason Merrill <jason@yorick.cygnus.com> + + * calls.c (expand_call): If we're in a thunk, pass through invisible + references instead of making a copy. + * flags.h: Add current_function_is_thunk. + * function.c: Likewise. + (init_function_start): Initialize it. + (push_function_context_to): Save it. + (pop_function_context_from): Restore it. + * function.h (struct function): Add is_thunk. + +Wed Apr 23 17:47:25 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (secondary_reload_class): Handle more cases where we + need secondary reloads. + (impossible_plus_operand): Accept anything that involves addition + of the stack pointer. + * mn10300.md (reload_insi): Always load the stack pointer into + the destination (which is always an address register). + * mn10300.h (STORE_FLAG_VALUE): Remove definition. + * xm-mn10300.h: Declare malloc, realloc, calloc and free. + +Wed Apr 23 14:28:30 1997 Mike Stump <mrs@cygnus.com> + + * expr.h (sjthrow_libfunc): Add support for setjmp/longjmp based + exception handling. + ({sjpopnthrow,terminate,setjmp,longjmp}_libfunc): Likewise. + (get_dynamic_handler_chain_libfunc): Likewise. + * expr.c (expand_expr, case TRY_CATCH_EXPR): Likewise. + (expand_expr, case POPD{C,H}C_EXPR): Likewise. + * stmt.c (mark_block_as_eh_region): Likewise. + (mark_block_as_not_eh_region): Likewise. + (is_eh_region, conditional_contex, expand_start_bindings): Likewise. + (expand_end_bindings, expand_{decl,dcc,dhc}_cleanup): Likewise. + (expand_cleanups): Likewise. + * tree.h (mark_block_as_eh_region): Likewise. + (mark_block_as_not_eh_region, is_eh_region): Likewise. + conditional_context, expand_dhc_cleanup): Likewise. + * except.c (exception_via_longjmp): Likewise. + (protect_cleanup_actions_with_terminate): Likewise. + (current_function_d{h,c}c, add_partial_entry): Likewise. + (get_dynamic_{handler,cleanup}_chain): Likewise. + (start_dynamic_{cleanup, handler}): Likewise. + (expand_eh_region_start{,_tree}, expand_eh_region_end): Likewise. + (emit_throw, expand_leftover_cleanups): Likewise. + (expand_{start,end}_all_catch, protect_with_terminate): Likewise. + ({start,end}_eh_unwinder, init_eh_for_function): Likewise. + ({save,restore}_eh_status, exception_optimize): Likewise. + * optabs.c ({sjthrow,sjpopnthrow,terminate,setjmp}_libfunc): Likewise. + ({longjmp,get_dynamic_handler_chain}_libfunc): Likewise. + (init_optabs): Likewise. + * except.h: Likewise. + * libgcc2.c (__default_terminate): Likewise. + (__terminate, __get_dynamic_handler_chain, __sjthrow): Likewise. + (__sjpopnthrow): Likewise. + * toplev.c (f_options): Likewise. + * tree.def (TRY_CATCH_EXPR, POPDHC_EXPR, POPDCC_EXPR): Likewise. + * pa.h (JMP_BUF_SIZE): Define. + * sparc.h (JMP_BUF_SIZE): Define. + + * expr.h (cleanups_this_call): Transform uses of cleanups_this_call + into uses of the cleanups managed by the block code + (expand_start_bindings and friends). Remove defer_cleanups_to and + expand_cleanups_to, and use start_cleanup_deferal and + end_cleanup_deferal instead. Add exception_region, + target_temp_slot_level, conditional_code, + last_unconditional_cleanup and cleanup_ptr to struct nesting to + facilitate conditional cleanups. + * expr.c (cleanups_this_call, init_expr): Likewise. + ({save,restore}_expr_status, store_expr): Likewise. + (expand_expr, {defer,expand}_cleanups_to): Likewise. + (do_jump, case TRUTH_{AND,OR}IF_EXPR): Likewise. + (do_jump, case COND_EXPR): Likewise. + * stmt.c (struct nesting): Likewise. + (expand_return, expand_start_bindings, expand_end_bindings): Likewise. + (expand_cleanups, {start,end}_cleanup_deferal): Likewise. + * tree.h (start_cleanup_deferal): Likewise. + (end_cleanup_deferal): Likewise. + * calls.c (expand_call): Likewise. + * function.h (struct function): Likewise. + * except.c (asynchronous_exceptions): Support + -fasynchronous_exceptions. + (can_throw): Likewise. + * toplev.c (f_options): Likewise. + + * flags.h (flag_short_temps): Remove support for short temps. + * calls.c (expand_call): Likewise. + * toplev.c (flag_short_temps): Likewise. + + * stmt.c (expand_start_target_temps): Add for convenience. + (expand_end_target_temps): Likewise. + * except.c (jumpif{,not}_rtx): Likewise. + + * stmt.c: Remove all traces of empty_cleanup_list. + +Wed Apr 23 17:26:40 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload1.c (reload_cse_mem_conflict_p): Don't assume that a + SUBREG can not conflict with a MEM. + +Wed Apr 23 09:48:58 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.md (cmphi): Fixed when next CC user is unsigned. + (mov[hq]i-[23]): New patterns for mem-indirect moves. + (movhf,movtqf): Corrected. + * 1750a.c (memop_valid): Memory indirection now valid. + (nonindirect_operand): Remove. + (print_operand): Fix the 'J' output modifier. + * 1750a.h (FRAME_POINTER_REQUIRED): Not required. + (INITIAL_FRAME_POINTER_OFFSET,FIX_FRAME_POINTER_ADDRESS): Undefine. + (FUNCTION_PROLOGUE,FUNCTION_EPILOGUE): Honor -fomit-frame-pointer. + (ELIMINABLE_REGS,CAN_ELIMINATE,INITIAL_ELIMINATION_OFFSET): Defined. + (PREFERRED_RELOAD_CLASS): Corrected. + (CONST_COSTS,ADDRESS_COST,REGISTER_MOVE_COST,MEMORY_MOVE_COST): + Slight adjustments. + (ASM_APP_ON,ASM_APP_OFF): Corrected. + * ms1750.inc (DUCR.M,DUC.M): Defined. + +Wed Apr 23 09:41:35 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * reload.c (push_reload): Fix last arg of call to find_dummy_reload. + +Wed Apr 23 09:29:14 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure (i[3456]86-next-*, m68k-next-nextstep{2,3}*): + Remove out_file and add extra_objs. + * config/nextstep.c: Add includes for config.h, stdio.h, and flags.h. + * {i386,m68k}/t-next (nextstep.o): New rule. + * m68k/next.h: Remove include of machmode.h. + * {i386,m68k}/next.c: Files deleted. + +Tue Apr 22 20:45:29 1997 Jason Merrill <jason@yorick.cygnus.com> + + * sparc.h (DBX_CONTIN_LENGTH): Shrink to 1000. + +Tue Apr 22 18:21:20 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (gen_variable_dir): Add test for DW_AT_declaration to + the old_die if statement, and delete assertion for it. + (decl_ultimate_origin): Remove last change. + +Tue Apr 22 10:22:27 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (expand_prologue): End the current sequence before + counting the tst insns in the current function. Start a new + one before emitting any prologue instructions. + + * mn10300.h (REGISTER_MOVE_COST): Bump up cost of moves in the + same class. + + * mn10300.md (untyped_call): New expander. + +Mon Apr 21 16:30:21 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cse.c (fold_rtx, case PLUS): When seeing if negative of constant + is around, make sure not dealing with largest negative. + +Mon Apr 21 13:57:53 1997 Jim Wilson <wilson@cygnus.com> + + * mips/t-ecoff: Set TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS. + + * m68k.c (output_addsi3): New function. From addsi3 pattern. + * m68k.h (output_addsi3): Add declaration. + * m68k.md (movqi+2): Add address registers. + (movxf+1): Disable for TARGET_5200. + (movxf+2): New pattern for TARGET_5200. + (addsi3): Add define_expand. Move code to output_addsi3. + (addsi3_internal): Renamed from addsi3. Disable for TARGET_5200. + (addsi3_5200): New pattern for TARGET_5200. + +Sun Apr 20 10:45:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (operand_equal_p): Constants are not equal if there + has been an overflow. + + * toplev.c (compile_file): Shorten "branch-probabilities" in + output of times. + + * alpha/vms.h (MOD[SD]I3_LIBCALL): Call ots$rem, not ots$mod. + (DWARF2_DEBUGGING_INFO): Define. + + * alpha.c (alpha_need_linkage): Call get_identifier. + + * rs6000.c (rs6000_output_load_toc_table): New function. + (output_prolog): Call it instead of doing it directly. + * rs6000.md (nonlocal_goto_receiver): New pattern. + + * dwarf2out.c: Major cleanup; mostly reformatting. + Include expr.h. + Undefine inline ifndef __GNUC__; never define to include static. + Add "static" to header of all inlined functions. + Add declarations for all static functions, with prototypes. + (addr_const_to_string): Use HOST_WIDE_INT_PRINT_* macros. + (add_AT_*, new_{die,loc_descr,cfi): Don't check for xmalloc + returning zero. + (modified_type_die): Add missing parm on recursive call. + ({reg,based}_loc_descriptor): Add missing arg to call to new_loc_descr. + (add_const_value_attribute): Use REAL_VALUE_TYPE for fp calculations. + (output_call_frame_info): Add missing arg to output_cfi call. + (dwarf2out_def_cfa): Local variable OLD_REG must be unsigned long. + * Makefile.in (dwarf2out.o): Includes expr.h. + + * dwarf2out.c: Cast first arg in all calls to bzero to char *. + (decl_ultimate_origin): Return NULL if equal to decl. + (constant_size): Never return more than 4. + (value_format, case 8): New case. + (dwarf2out_frame_debug): Use HARD_FRAME_POINTER_REGNUM. + (based_loc_descr): Likewise. + (add_bound_info): Delete default case. + Add cases for CONVERT_EXPR and NON_LVALUE_EXPR; treat like NOP_EXPR. + Change NOP_EXPR to to recursive call. + (add_type_attribute): Ignore unnamed subtype of integral or FP. + (gen_subprogram_die): Use reg_loc_descriptor. + (dwarf2out_decl): Ignore nested functions. + + * fix-header.c, protoize.c, gcov.c: Use symbolic codes for exit. + + * final.c (profile_function): Only call ASM_OUTPUT_REG_{PUSH,POP} + if defined. + + * expr.c ({move,clear}_by_pieces_1, expand_assignment): Ensure + we have unshared rtx before changing flags. + (store_{constructor,field}): Likewise. + (expand_expr, case COMPONENT_REF): Likewise. + (store_expr): Check if TEMP and TARGET are same with rtx_equal_p. + + * emit-rtl.c (change_address, init_emit): Delete forward references. + (rtl_obstack, stack_depth, max_stack_depth): Delete extern decls. + +Fri Apr 18 18:25:52 1997 Jim Wilson <wilson@cygnus.com> + + * function.c (instantiate_decls): For DECL_INCOMING_RTL, use max + of type size and mode size in instantiate_decl call. + + * fixincludes (sys/lc_core.h): Fix OSF1/4.x namespace pollution. + +Wed Apr 16 19:36:53 1997 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (add_bound_info): Use a DIE instead of a location + expression for variable bounds. Trust a MEM rtx even when + optimizing. + (DWARF_FRAME_RETURN_COLUMN): Default to FIRST_PSEUDO_REGISTER. + + * expr.c (expand_expr, case RTL_EXPR): If there is no sequence, + don't set it to const0_rtx. + * tree.c (array_type_nelts): Don't return any SAVE_EXPRs. + +Mon Apr 14 18:12:57 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (RS6000_ITRUNC, RS6000_UITRUNC): Prepend underscores. + (RS6000_MCOUNT): New macro. + (ASM_FILE_START): Use RS6000_MCOUNT. + * rs6000.c (output_function_profiler): Use RS6000_MCOUNT. + * rs6000/aix31.h (RS6000_{ITRUNC,UITRUNC,MCOUNT}): New macros. + +Mon Apr 14 14:37:27 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (can_use_return_insn): Include outgoing argument + area in size computation. + (expand_prologue): Likewise. No longer diddle with sequences. + Put register saves just before outgoing argument area. + (expand_epilogue): Similarly. + (impossible_plus_operand): New function. + * mn10300.h (FRAME_POINTER_REQUIRED): Never require a frame pointer. + (ACCUMULATE_OUTGOING_ARGS, OUTGOING_REG_PARM_STACK_SPACE): Define. + (impossible_plus_operand): Declare. + * mn10300.md (reload_insi): New expander to handle pathological + reload cases. + (addsi3): Fix CC status. + + * mn10300.h (FUNCTION_VALUE): Return addresses in $a0. + (FUNCTION_VALUE_REGNO_P): Corresponding changes. + * mn10300.md (call_value_internal): Allow output to be in an + address register. + + * calls.c (emit_library_call): Handle saving of stack slots when + ACCUMULATE_OUTGOING_ARGS is defined. + (emit_library_call_value): Likewise. + +Mon Apr 14 14:48:15 1997 Jim Wilson <wilson@cygnus.com> + + * sh.md (xtrct_left, xtrct_right): New patterns. + + * combine.c (get_last_value_validate): New argument insn. + Add check for memory reference clobbered by later store. + (record_value_for_reg, get_last_values): Pass in new argument. + +Mon Apr 14 14:03:18 1997 Mike Meissner <meissner@cygnus.com> + + * configure (powerpc --with-cpu=x): Add embedded powerpcs and 604e. + + * rs6000.c (rs6000_override_options): Recognize -mcpu=801, -mcpu=823, + and -mcpu=604e. + +Sun Apr 13 18:43:16 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload1.c (invalidate_regno_rtx): New static variable. + (reload_cse_invalidate_regno): Check whether any earlier registers + have a multi-register value which includes the register we are + invalidating. + (reload_cse_regs): Initialize invalidate_regno_rtx. + + * reload1.c (reload_cse_record_set): When setting reg_values for a + copy from one register to another, use gen_lowpart_common to + adjust the value correctly if the mode changes. + +Sun Apr 13 17:24:48 1997 Doug Evans <dje@cygnus.com> + + * expr.c (move_block_from_reg): Try using integral mov operation first. + + * calls.c (expand_call): When copying unaligned values into a register, + zero out the register first rather than emitting a clobber. + + * integrate.c (copy_rtx_and_substitute): If FRAME_GROWS_DOWNWARD + and regno == VIRTUAL_STACK_VARS_REGNUM, round size of stack slot up + before calling assign_stack_temp. + +Sun Apr 13 15:29:38 1997 Ulrich Drepper <drepper@cygnus.com> + + * enquire.c (fake_f_rep): Add missing element name in cast. + +Sun Apr 13 15:20:05 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS): + Fix sign bug in last change. + +Sun Apr 13 15:03:38 1997 J.T. Conklin <jtc@netbsd.org> + + * m68k.md (movstricthi): Remove extraneous comparisons. + + * configure (*-*-netbsd): tmake_file now t-netbsd; delete xmake_file. + * config/t-netbsd: New file. + * config/x-netbsd: Removed. + +Sun Apr 13 14:51:25 1997 Richard Earnshaw (rearnsha@armltd.co.uk) + + * cse.c (canon_reg, cse_insn): Don't examine insn_n_dups if + recog_memoized fails to find a match. + +Sun Apr 13 14:17:26 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload1.c (reload_cse_noop_set_p): Add insn parameter. Change + all callers. If deleting the instruction, remove any earlier + REG_DEAD note for DREG. + (reload_cse_simplify_set): If simplifying, remove any earlier + REG_DEAD note for the new source register. + +Sun Apr 13 14:12:08 1997 Pat Rankin <rankin@eql.caltech.edu> + + * libgcc2 (L_bb, L_exit): Use 0 rather than NULL for null pointers. + +Sun Apr 13 12:53:03 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k/linux.h (ASM_SPEC): Define. + (STRUCT_VALUE_REGNUM, STATIC_CHAIN_REGNUM, INITIALIZE_TRAMPOLINE): + Remove definitions, undoing the change of Mar 20 1996. + + * m68k.c (output_move_qimode): Optimize pushing one byte if source + operand does not use stack pointer. + + * m68k.md (rotl[shq]i3, rotl[hq]i3+1): Don't directly modify operand. + + * m68k.md (tstdi): Add missing parallel around the pattern. + +Sun Apr 13 12:51:00 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c, cpplib.c (do_include): Diagnose #import and + #include_next if pedantic and if not in a system header. + (do_warning): #warning now causes an error if -pedantic-errors + is given; this is needed since #warning isn't ANSI. + + * toplev.c (lang_options): Add -Wundef, -Wno-undef. + * c-decl.c (c_decode_option): Ignore -Wundef, -Wno-undef. + + * cccp.c, cexp.y (warn_undef): New variable. + * cpplib.h (struct cpp_options): New member warn_undef. + (CPP_WARN_UNDEF): New macro. + + * cccp.c (main), cpplib.c (cpp_handle_options): Set warn_undef + from -Wundef and -Wno-undef. + + * cppexp.c (cpp_lex) New arg skip_evaluation. + (cpp_parse_expr): Pass skip_evaluation to cpp_lex. + Abort if cpp_lex returns NAME. + + * cexp.y (exp), cppexp.c (cpp_lex): Optionally warn about undefined + identifiers that evaluate to 0. + +Sun Apr 13 11:43:16 1997 Joel Sherrill <joel@OARcorp.com> + + * configure (hppa1.1-*-rtems*): New target. + * mips/rtems.h: New file. + +Sun Apr 13 09:48:26 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcov.c (print_usage, open_files): Use FATAL_EXIT_CODE. + * collect2.c (fatal_perror, fatal, collect_wait): Likewise. + + * sparc.c (eligible_for_delay_slot): Clean up and make to agree + precisely with patterns in MD file. + * sparc.md (*return_addsi): Change condition to exclude both ints. + (*return_adddi): Likewise. + (*return_subsi): New pattern. + + * recog.c (validate_replace_rtx_1, case MINUS): New case. + +Sun Apr 13 08:20:24 1997 Thomas Bushnell <thomas@gnu.ai.mit.edu> + + * i386/gnu.h (TARGET_VERSION): Redefine. + +Sun Apr 13 08:15:31 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * c-typeck.c (lookup_field): Don't recurse unless FIELD is + a RECORD_TYPE or UNION_TYPE. + + * final.c (profile_function): Save the static chain register + around the call to the profiler function. + + * loop.c (invariant_p, case REG): Pointers into frame are not + invariants if function has nonlocal gotos. + * reload1.c (reload): If function has nonlocal label, mark all + caller-saved regs as used. + +Fri Apr 11 16:49:06 1997 Doug Evans <dje@seba.cygnus.com> + + * m32r.h (REG_ALLOC_ORDER): Restore to original setting. + + * m32r.h (UPPER16_P): Fix calculation. + * m32r.c (two_insn_const_operand): New function. + (m32r_print_operand): Handle 'X'. + * m32r.md (movsi): Tweak. + (*movsi_insn): Output hex value of constants too. + (movsi define_split): Add. + (andsi3,orsi3,xorsi3): Output hex value of constants too. + +Thu Apr 10 18:39:33 1997 Jim Wilson <wilson@cygnus.com> + + * sh.md (sne): Modified to use negc instead of xor. + (sne+1): New define_split for new sne pattern. + * sh.c (output_stack_adjust): Reorganize code for readability. + If size is negative, negate and subtract it instead of adding it. + +Wed Apr 9 13:51:07 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (output_stack_adjust): When splitting an adjustment into two + parts, make sure the stack is aligned at all times. + +Tue Apr 8 12:34:38 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.h (RETURN_ADDR_RTX): Define. + +Mon Apr 7 19:19:57 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (count_tst_insns): New function. + (expand_prologue): Load zero into data and/or address registers + if any are free and the function has optimizable tst insns. + (output_tst): If a suitable register is known to have the + value zero, use it instead of searching for a suitable register. + * mn10300.h (zero_dreg, zero_areg): Declare. + (FRAME_POINTER_NEEDED): Frame pointers are not needed if the + outgoing argument size is zero. + * mn10300.md (movXX): Optimize loading zero into an address + register if possible. Optimize loading a DF/DI mode value + into an address register from a constant memory address. + (addsi3): Provide alternative which doesn't require a matching + inout operand. + (return): Optimize consecutive return instructions. + +Mon Apr 7 17:30:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * mips/iris5.h (SUBTARGET_CC1_SPEC): Define. + (LINK_SPEC, STARTFILE_SPEC): Support -static. + * mips/iris6.h (SUBTARGET_CC1_SPEC): Define. + (STARTFILE_SPEC, LINK_SPEC): Support -static. + * mips.h: (SUBTARGET_CC1_SPEC): Define. + (CC1_SPEC): Add subtarget_cc1_spec. + (EXTRA_SPECS): Add subtarget_cc1_spec. + +Sun Apr 6 12:24:53 1997 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.md (incscc): Use a match_operand with cc_register to match + the condition code register. + (decscc, *condbranch, *condbranch_reversed, *mov_scc): Likewise. + (*mov_negscc, *mov_notscc, *cond_return): Likewise. + (*cond_return_inverted, *ior_scc, *cond_move): Likewise. + (insv): New expand. + (andsi_notsi_si): Renamed from *andsi_notsi_si. + (andsi_not_shiftsi_si): New insn. + (*minmax_arithsi): Don't match this insn if operand1 is an + eliminable register. + ({sin,cos}*): Delete, since the ARM always emulates these its + faster to call a library function. + (movsicc, *movsicc_insn): Make operand0 an s_register_operand, + and operand3 an arm_not_operand. Use cc_register to match the + condition code register. + (mov[sd]fcc*): Make operand[0,2] s_register_operands, and operand3 + the nonmemory_operand. Use cc_register to match the condition + code register. + (*ifcompare_plus_move): Move before *ifcompare_arith_move. Just do + a split for the output. + (*ifcompare_move_plus): Similarly, but relative + to *ifcompare_move_arith. + (*if_plus_move, *if_move_plus): New patterns. + (*ifcompare_arith_arith): Simplify the alternatives down to just one, + and split the insn before output. + (*if_arith_arith, *if_arith_move, *if_move_arith): New patterns. + (*ifcompare_move_not, *ifcompare_not_move): Simplify and split the + insn before output. + (*if_move_not, *if_not_move): New patterns. + (*ifcompare_shift_move, *ifcompare_move_shift): Simplify and split the + insn before output. + (*if_shift_move, *if_move_shift): New patterns. + (*ifcompare_shift_shift): Simplify and split the insn before output. + (*if_shift_shift): New pattern. + (*ifcompare_not_arith, *ifcompare_arith_not): Simplify and split the + insn before output. + (*if_not_arith, *if_arith_not): New patterns. + (*ifcompare_neg_move, *ifcompare_move_neg): Simplify and split the + insn before output. + (*if_neg_move, *if_move_neg): New patterns. + +Sat Apr 5 20:17:43 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000/sol-ci.asm (_environ): Don't make _envrion a common + variable, the lastest assembler doesn't let common variables also + be a weak symbol. + +Fri Apr 4 18:30:12 1997 Jim Wilson <wilson@cygnus.com> + + * rs6000.md (adddi3): Use non_short_cint_operand instead of + non_add_cint_operand. + +Thu Apr 3 15:08:39 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (can_use_return_insn): Add size of fixed stack space + for function calls into the size of the frame. + (expand_prologue, expand_epilogue): Likewise. + (initial_offset): Corresponding changes.. + * mn10300.h (OUTGOING_REG_PARM_STACK_SPACE): No longer define. + (STACK_POINTER_OFFSET): Define. + * mn10300.md (call, call_value expanders): Don't adjust the stack + pointer here anymore. + + * mn10300.md (ashlsi3): Remove some alternatives which are no longer + needed or desired. + +Thu Apr 3 15:06:53 1997 Jim Wilson <wilson@cygnus.com> + + * local-alloc.c (no_conflict_p): Reject sequences with foreign insns. + + * combine.c (move_deaths): Handle partial REG_DEAD note for + multi-reg hard register. + + * function.c (expand_function_start): Emit queue after expanding + each dynamic parameter type. + + * mips.c (mips_move_2words): Add SIGN_EXTEND support for SYMBOL_REF, + LABEL_REF, and CONST operands. + + * dwarf2out.c: Delete comment referring to README.DWARF. + +Wed Apr 2 17:21:23 1997 Jim Wilson <wilson@cygnus.com> + + * rs6000.md (ashrdi3_power): Mark alternative 0 as early_clobber + output. + + * rs6000.md (abssi3_nopower define_split): Switch operands of MINUS. + (nabssi3_nopower define_split): Likewise. + +Tue Apr 1 19:30:01 1997 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (find_exception_table): Fix to logic to deal with + functions that are in their own section, such as template + instantiations, that cause overlapping EH tables. + +Tue Apr 1 17:16:22 1997 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (USER_H): Add va-mn10300.h + + * ginclude/stdarg.h: Include va-mn10300.h. + * ginclude/varargs.h: Likewise. + * ginclude/va-mn10300.h: New file. + * mn10300.c (expand_prologue): If current_function_varargs is nonzero, + flush d0/d1 back into stack. + (mn10300_builtin_saveregs): New function. + (function_arg, function_arg_partial_nregs): New functions. + (initial_offset): Tweak now that the RP save area is allocated + and deallocated around each call again. + * mn10300.h (FIRST_PARM_OFFSET): Now 4. + (FRAME_POINTER_REQUIRED): Require frame pointer for all non-leaf fcns. + (REG_PARM_STACK_SPACE): Now 8 bytes. + (FUNCTION_ARG_REGNO_P): Update for new parameter passing conventions. + (CUMULATIVE_ARGS, INIT_CUMULATIVE_ARGS): Likewise. + (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Likewise. + (FUNCTION_ARG_PARTIAL_NREGS): Likewise. + (TRAMPOLINE_TEMPLATE): Don't clobber d0 anymore. + (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes. + (EXPAND_BUILTIN_SAVEREGS): Define. + * mn10300.md (call, call_value patterns): Allocate and deallocate + stack slot for return pointer around each call. + + * mn10300.h (RTX_COSTS): Refine. + (CASE_VALUES_THRESHHOLD, NO_FUNCTION_CSE): Likewise. + * mn10300.c (output_tst): New function. + * mn10300.md (movdi, movdf): Improve code to load constants into regs. + (tst insns): Use output_tst to optimize some cases. Add versions to + encourage more zero extensions instead of sign extensions of HImode + and QImode values. + (divsi3, udivsi3): Remove patterns. Replaced by... + (divmodsi4, udivmodsi4): New expanders/patterns. + (andsi3): Optimize "and" operations with certain constants. + +Tue Apr 1 09:14:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h: (ADJUST_COSTS): Define. + +Fri Mar 28 17:46:13 1997 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (LANGUAGES): Add gcov. + (OBJS): Add profile.o. + (STAGESTUFF): Add gcov. + (profile.o, gcov.o, gcov): Add rules to build them. + (install-common): Install gcov. + * combine.c (distribute_notes): Handle REG_BR_PROB and REG_EXEC_COUNT + REG_NOTES. + * sparc.h (OVERRIDE_OPTIONS): Check profile_arc_flag. + * final.c (LONG_TYPE_SIZE): Define. + (count_instrumented_arcs): New variable. + (end_final, profile_after_prologue, leaf_function_p): Add support + for profile_arc_flag. + (add_bb): Only call CC_STATUS_INIT if HAVE_cc0. + * flags.h (profile_arc_flag, flag_test_coverage, + flag_branch_probabilities): Declare. + * function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER + for last line of function. + * integrate.c (expand_inline_function): Output + NOTE_REPEATED_LINE_NUMBER after inlined call. + * jump.c (jump_optimize, follow_jumps, mark_jump_label): Disable some + optimizations when flag_test_coverage and there is a line number note + in the way. + (invert_jump): Add REG_BR_PROB when flag_branch_probabililties. + * libgcc2.c (__bb_exit_func): Support gcov style output. + * reorg.c (mostly_true_jump): Use REG_BR_PROB notes when + flag_branch_probabilities. + * rtl.c (note_insn_name): Add NOTE_REPEATED_LINE_NUMBER. + (reg_note_name): Add REG_BR_PROB and REG_EXEC_COUNT. + * rtl.h (enum reg_note): Add REG_BR_PROB and REG_EXEC_COUNT. + (REG_BR_PROB_BASE): Define. + (NOTE_REPEATED_LINE_NUMBER): Define. + * sched.c (update_flow_info): Handle REG_EXEC_COUNT and REG_BR_PROB + notes. + * toplev.c (branch_prob_dump, profile_arc_flag, flag_test_coverage, + flag_branch_probabilities, branch_prob_dump_file, branch_prob_time): + New variables. + (f_options): Add profile-arcs, test-coverage, and + branch-probabilities. + (compile_file): Set branch_prob_time. Pass flag_test_coverage to + init_emit_once. Handle branch_prob_dump. Call init_branch_prob. + Call end_branch_prob. Call output_func_start_profiler. + (rest_of_compilation): Handle branch_prob_dump. Call new + branch_prob pass. + (main): Set branch_prob_dump. + * gcov.c, profile.c, gcov-io.h, gcov.texi: New files. + +Thu Mar 27 16:52:52 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.h (CPP_CPU_DEFAULT): Define if TARGET_CPU_DEFAULT is not set. + * i386.h (STACK_BOUNDARY): Define to always be 32. + + From J"orn Rennecke <amylaar@cygnus.co.uk> + * i386.md: (zero_extendhisi2+[12]): Use true_regnum instead of + REGNO for operand 0. + (zero_extendqisi2+3): Use reg_overlap_mentioned_p instead of REGNO + comparison; use true_regnum instead of REGNO for rtx generation. + +Wed Mar 26 12:34:21 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload1.c (reload): Call reload_cse_regs. + (reg_values): New static variable. + (reload_cse_invalidate_regno): New static function. + (reload_cse_mem_conflict_p): New static function. + (reload_cse_invalidate_mem): New static function. + (reload_cse_invalidate_rtx): New static function. + (reload_cse_regs): New static function. + (reload_cse_regno_equal_p): New static function. + (reload_cse_noop_set_p): New static function. + (reload_cse_simplify_set): New static function. + (reload_cse_check_clobbered): New static variable. + (reload_cse_check_src): New static variable. + (reload_cse_check_clobber): New static function. + (reload_cse_record_set): New static function. + +Wed Mar 26 07:34:06 1997 Ulrich Drepper <drepper@cygnus.com> + + * ginclude/stdarg.h (__va_copy): New definition. + +Tue Mar 25 13:43:36 1997 Michael Meissner <meissner@cygnus.com> + + * gcc.c (init_spec): If -v, print out that the default spec values + were being used. Fix prototype to reflect no arguments. + (set_spec): If specs has not been set, set it up with the default + specs. + (read_specs): Move to later in the file so that startfile_prefixes + has been declared. Process "%include <file>" to include another + specs file, aborting if the file can't be found. Process + "%include_noerr <file>: to include another specs file, giving no + error if the file can't be found. Process "%rename var1 var2" to + rename a specs variable. Take new argument that indicates whether + we are processing the main file. Only process % commands if this + is not the main specs file. Change callers. + (main): Do not call init_spec if a specs file was found. + (set_spec,read_specs,do_spec_1): If DEBUG_SPECS is defined, print + debug information. + +Tue Mar 25 14:43:58 1997 Doug Evans <dje@cygnus.com> + + * expr.c (emit_push_insn): Delete emission of CLOBBER + when doing partial push, no longer necessary. + + * c-decl.c (grokdeclarator): Pedwarn qualified void function return + type. + +Tue Mar 25 14:28:15 1997 Richard Earnshaw (rearnsha@armltd.co.uk) + + * reload.c (find_dummy_reload): New parameter earlyclobber. If set + then don't use IN for the reload if it also appears elsewhere in + the insn. All callers changed. + +Tue Mar 25 13:20:18 1997 J.T. Conklin <jtc@cygnus.com> + + * m68k/lb1sf68.asm (udivsi3): Fix hunk from previous patch that + did not apply correctly. + + * m68k.md (tablejump): Use extl to explicitly sign extend + index registeron TARGET_5200. + * m68k/{apollo68.h,coff.h,linux.h,mot3300.h,pbb.h} + (ASM_RETURN_CASE_JUMP): Likewise. + + * m68k.md (mulsi3): Changed into define_expand. Split insn into + m68k and coldfire specific versions with appropriate constraints. + + * m68k.md (movqi): Disable use of address registers for + TARGET_5200. + + * m68k/lb1sf68.asm (__modsi3, __umodsi3): Use mulsl instruction + instead of __mulsi3 function call on the coldfire. + + * m68k.md (bne0_di): Fix typo in last change. + + * m68k.md (xorsi3_5200): Correct constraints. + + * m68k.c (output_move_{si,hi,qi}mode): New functions. + * m68k.h (output_move_{si,hi,qi}mode): Declare. + + * m68k.md (move{si,hi,qi,di}): Changed into define_expands. Split + insns into m68k and coldfire specific versions with appropriate + constraints. + +Tue Mar 25 12:18:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (GCC_PASSES): Revert previous change; use cc1$(exeext). + +Mon Mar 24 16:12:20 1997 Doug Evans <dje@cygnus.com> + + * m32r/*: New files. + * config.sub: Add m32r. + * configure: Add m32r. + * longlong.h: Add m32r support. + * ginclude/{stdarg.h,varargs.h}: Add m32r support. + * ginclude/va-m32r.h: New file. + +Mon Mar 24 15:53:15 1997 Joel Sherrill <joel@OARcorp.com> + + * rs6000/rtems.h: Change to a near clone of the powerpc-eabi target. + * configure (powerpc*-*-rtems): Move before GNU/Linux configuration. + +Mon Mar 24 14:26:37 1997 Gavin Koch <gavin@cygnus.com> + + * ginclude/va-mips.h: For little endian, eabi, objects + less than __va_reg_size are passed in registers. + +Fri Mar 21 00:48:02 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (print_operand): Handle 'N'. + + * mn10300.c (expand_epilogue): Correctly handle functions + with large frames, but no callee register saves. + + * mn1300.md (movdf, movdi): Handle overlapping moves. + + * pa.c (compute_movstrsi_length): Handle residuals correctly. + +Thu Mar 20 13:53:30 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (easy_fp_constant): If -mrelocatable, consider all fp + constants to be hard. + +Mon Mar 20 13:53:30 1997 Jim Wilson <wilson@cygnus.com> + + * rs6000.md (movdf/movsf define_splits): Add SUBREG support. + + * rs6000.c (fp_reg_or_mem_operand): Delete. + * rs6000.h (PREDICATE_CODES): Remove fp_reg_or_mem_operand. + (fp_reg_or_mem_operand): Delete declaration. + * rs6000.md (movsf_hardfloat): Use nonimmediate_operand instead + of fp_reg_or_mem_operand. + +Thu Mar 20 08:52:27 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (cmpsi): Handle comparing a register with + itself by adding zero to the reg. Z bit for such an insn is + inverted. + * mn10300.c (notice_update_cc): Handle CC_INVERT. + + * pa.c (emit_move_sequence): Don't lose for a secondary reload + to the SAR register if the input is a MEM with an offset that won't + fit in 14bits. + +Wed Mar 19 17:10:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k/linux.h (ASM_OUTPUT_MI_THUNK): Define. + +Wed Mar 19 16:59:34 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c, cpplib.c (do_error, do_warning): Fix memory leak. + + * cccp.c (output_line_directive): Do not output negative line + numbers when analyzing directives like `#line 0'. + + * cexp.y (parse_number, yylex), cccp.c (rescan), cpplib.c + (cpp_get_token): Unless -lang-c89 is specified, allow C9X-style + hexadecimal floating-point numbers as preprocessor numbers. + * cccp.c (c89): New decl. + (main): Set it to 1 if -lang-c89. + * cpplib.h (struct cpp_options): New member c89. + (CPP_C89): New macro. + * cpplib.c (unsafe_chars): `p' is unsafe before `-' or `+', since it + might generate a C9X-style hexadecimal floating-point number. + (cpp_handle_options): Set c89 option to 1 if -lang-c89. + +Tue Mar 18 17:05:57 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.h (STACK_BOUNDARY): Determine according to TARGET_ALIGN_DOUBLE. + + * i386.c (override_options) Make the default alignment 4 for 486, + otherwise 2. + + * i386/freebsd-elf.h (CPP_SPEC): Remove TARGET_CPU_DEFAULT reference. + * i386/linux{,-aout,-oldld}.h (CPP_SPEC): Likewise. + + * i386/go32.h (DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE, + NO_STAB_H, ASM_FILE_START, DBX_BLOCKS_FUNCTION_RELATIVE, + DBX_FUNCTION_FIRST, DBX_OUTPUT_MAIN_SOURCE_FILE_END, + ASM_OUTPUT_SOURCE_LINE): Added to support stabs. + (ASM_OUTPUT_SECTION_NAME): Support section attribute. + +Tue Mar 18 16:12:28 1997 Jim Wilson <wilson@cygnus.com> + + * final.c (shorten_branches): Split all insns before computing insn + lengths. + (final_scan_insn, case default): If HAVE_ATTR_length defined, call + abort for any insn that has a '#' output template. + + * expr.c (emit_group_load): Call operand_subword instead of creating + an explicit SUBREG. + + * reload1.c (reload_reg_free_before_p, case + RELOAD_FOR_OPERAND_ADDRESS): Conflicts with RELOAD_FOR_OPADDR_ADDR + reloads. + + * configure (alpha-dec-osf[23456789]*): Use install-headers-cpio + for osf4. + + * gcc.c (init_spec): Delete parameter. Always initialize extra_specs. + (process_command, main): Change all callers. + + * combine.c (if_then_else_cond): Call copy_rtx to prevent sharing. + +Tue Mar 18 14:59:12 1997 Ian Lance Taylor <ian@cygnus.com> + + * function.c (assign_parms): Add a REG_EQUIV note to the + instruction which copies a parameter into a pseudo-register + whenever there is an associated stack slot, even if the parameter + actually arrived in a register. + +Tue Mar 18 14:24:48 1997 Doug Evans <dje@cygnus.com> + + * configure (alpha-dec-osf[23]): Separate osf[23] case. + * alpha.h (LIB_SPEC): -lprof1 requires -lpdf for OSF 4. + * alpha/osf2or3.h: New file. + +Tue Mar 18 11:32:10 1997 Jeffrey A Law (law@cygnus.com) + + * m68k.c (m68k_last_compare_had_fp_operands): New variable. + * m68k.h (m68k_last_compare_had_fp_operands): Declare it. + * m68k.md (tst*, cmp*): Turn into define_expand/define_insn pairs. + Keep track of whether test/compare has fp operands. + (seq, sne, sgt, slt, sge, sle): Turn into define_expand/define_insn + pairs. Make expanders FAIL if TARGET_68060 and last comparison/test + had fp operands. + +Tue Mar 18 04:29:29 1997 Richard Earnshaw <rearnsha@armltd.co.uk> + + * arm.md (movhi): Handle generation of large constants during + and after reload. + +Mon Mar 17 17:30:24 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * gmicro.h (RETURN_POPS_ARGS): Make sure FUNDECL is non-nil + before we try to use it. + * m68k.h (RETURN_POPS_ARGS): Likewise. + * ns32k.h (RETURN_POPS_ARGS): Likewise. + * pyr.h (RETURN_POPS_ARGS): Likewise. + +Mon Mar 17 17:13:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS): + Only add padding if a bit field would otherwise span more units + of alignment than its base type. + +Mon Mar 17 17:03:55 1997 J.T. Conklin <jtc@cygnus.com> + + * m68k.md (beq0_di, bne0_di, bge0_di, blt0_di): Use cmpw #0 + instead of tstl when testing address registers on the 68000. + + * m68k/lb1sf68.asm: Fix prologues/epilogues to deal with the lack + of predecrement/postincrement addressing modes in the coldfire + moveml instruction. + +Mon Mar 17 17:00:14 1997 Scott Christley <scottc@net-community.com> + + * Fix long standing bug where first method call for a class could + result in a garbled stack or produce an incorrect return value. + * objc/sendmsg.c (__objc_block_return): Remove function. + (__objc_word_return, __objc_double_return): Remove functions. + (__objc_get_forward_imp): New function. + (__objc_init_dispatch_tables): Install zero instead of + __objc_init_install_dtable. + (__objc_init_install_dtable): No longer call the method but + allow objc_msg_lookup return it for normal execution. + (obj_msg_lookup): Differentiate between when a method isn't + implemented and when the dispatch table needs to be installed. + Return the IMP when the dispatch table is installed versus + having __objc_init_install_dtable call it. + (get_imp): Install dispatch table if needed and return IMP + from the newly installed dispatch table. + (__objc_responds_to): Install dispatch table if needed before + checking if method is implemented. + +Mon Mar 17 16:29:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.c (build_{index,range}_type): Ensure expressions for min + and max value are in same obstack as type. + +Mon Mar 17 15:44:18 1997 Pat Rankin <rankin@eql.caltech.edu> + + * cccp.c [#if VMS] (O_RDONLY, O_WRONLY): Delete (redundant). + (BSTRING): Delete (obsolete; usage occurs prior to definition). + (do_include): Handle old VAX C style includes better. + +Mon Mar 17 13:46:47 1997 Paul Eggert <eggert@twinsun.com> + + * cexp.y, cppexp.c (parse_number): Invalid integer constants are + errors if pedantic. + * cexp.y (yylex): Invalid multibyte characters are errors if pedantic. + * cppexp.c (cpp_lex): Likewise. + * cppexp.c (cpp_parse_escape): Character constants that do not fit are + errors if pedantic. + + * c-parse.in (expr_no_commas): Do not store temporary + skip_evaluation increments on yacc value stack. + +Sun Mar 16 19:54:49 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case PLACEHOLDER_EXPR): Refine which + object is picked. + +Sun Mar 16 15:45:45 1997 Jeffrey A Law (law@cygnus.com) + + * loop.c (strength_reduce): Adjust BENEFIT appropriately if an + autoincrement memory reference will eliminate add insns. + +Sun Mar 16 08:41:40 1997 Scott Christley <scottc@net-community.com> + + * i386.md (untyped_call): Re-enable code. + * objc/sendmsg.c (__objc_block_return): New function. + (__objc_word_return, __objc_double_return): New functions. + (__objc_init_install_dtable): Call appropriate return function + based upon method type. + * objc/thr-pthreads.c: Correct include path. + +Sat Mar 15 07:58:33 1997 Scott Christley <scottc@net-community.com> + + * objc-act.c (OBJC_VERSION): Increment version. + * objc/init.c (OBJC_VERSION): Likewise. + +Sat Mar 15 07:58:00 1997 Ovidiu Predescu <ovidiu@net-community.com> + + * Implement +load. + * objc/init.c (objc_send_load, __objc_send_load): New functions. + (__objc_send_message_in_list): New function. + (__objc_force_linking): New function. + (__objc_exec_class): Don't call _objc_load_callback here. + * objc/linking.m: New file. + * objc/sendmsg.c (class_add_method_list): Check for the +load method + when adding a methods list to a class. + * objc/Makefile (OBJC_O): Add linking.m. + + * Allow methods defined in categories to override methods that are + defined in the class implementation. + * objc/sendmsg.c (__objc_install_methods_in_dtable): New function. + (class_add_method_list): Don't check anymore for duplicate methods. + + * config/nextstep.h (INCLUDE_DEFAULTS): Define to something useful + when cross-compiling. + + * The static instances list moved from the objc_module struct to + objc_symtab struct, at the end of defs array. This now allows the NeXT + gdb to work with binaries generated for the GNU ObjC runtime. + * objc-act.c (build_objc_symtab_template): Make sure + defs in objc_symtab is a NULL terminated array. + (init_def_list): Attach statics to end of def list. + (init_objc_symtab): Take statics list into account. + (init_module_descriptor, build_module_descriptor): Don't add statics. + (generate_static_references): Indicate that statics are used. + (finish_objc): Process statics in the beginning. + * objc/objc-api.h (objc_module): Eliminate statics variable. + * objc/init.c (__objc_exec_class): Access statics from their + new place in the defs variable. + +Sat Mar 15 07:29:15 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c: Include expr.h. + (find_reloads_address, find_reloads_address_1): New argument INSN. + (find_reloads_address_1): Reload inside of p{re,ost}_{in,de}c + instead of entire p{re,ost}_{in,de}c where appropriate. + * Makefile.in (reload.o): Added expr.h to dependencies list. + +Sat Mar 15 07:17:12 1997 Richard Henderson <rth@tamu.edu> + + * reload.h (eliminate_regs): Add STORING arg. + * reload1.c (eliminate_regs): Likewise. + (eliminate_regs, case SET): Pass that we are storing to recursive call. + (eliminate_regs, case SUBREG): If storing and same number of words, + use larger mode. + * caller-save.c, dbxout.c, dwarfout.c, dwarf2out.c, reload.c, sdbout.c: + Change all calls to eliminate_regs. + +Fri Mar 14 14:18:49 1997 Ian Lance Taylor <ian@cygnus.com> + + * cplus-dem.c: Add prototypes for all static functions. + (mystrstr): Make static. Make arguments and result const. + (cplus_match): Remove; not used. + +Fri Mar 14 10:15:35 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (const_costs): Remove unused function. + * mn10300.h (CONST_COSTS): Rework to generate better code. + + * mn10300.c (print_operand): Handle 'H' and 'L' output + modifers for high/low part of a 64bit value. + * mn10300.h (CONST_DOUBLE_OK_FOR_LETTER_P): Handle 'G' + (LEGITIMATE_CONSTANT_P): Allow any constant. + * mn10300.md (movdi, movdf): Implement. + (adddi3, subdi3): New expanders and patterns. + + * mn10300.c (print_operand): Handle 'A' modifier for an + address which can't be simple register indirect. + * mn10300.h (EXTRA_CONSTRAINT): Handle 'R' for bit ops. + * mn10300.md: Add patterns to test, set and clear bitfields. + + * mn10300.c (can_use_return_insn): New function. + (expand_epilogue): Emit a RETURN insn if possible. + * mn10300.md (return): New pattern. + + * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'N'. + * mn10300.md (andsi3): Catch "and 255,dn" and "and 65535,dn" + which were not turned into zero_extend patterns. + + * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Handle symbolic + constant as an index/base too. + + * mn10300.md (movsi): Allow SP to be loaded/saved with + reg+d8 addresses. + + * mn10300.md (cmpsi): Allow second operand to be a constant. + (subsi3): Likewise. + + * mn10300.md (sign extension patterns): Fix thinko when + extending from memory. + + * mn10300.md (tst peepholes): Add peepholes for test/branch + based on N bit being set/clear and the data value being tested dies. + +Tue Mar 11 17:07:51 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (expand_prologue): Rework so that eliminating + the frame pointer produces faster/smaller code. + (expand_epilogue): Likewise. + (initial_offset): New function for argument pointer and frame pointer + elimination. + * mn10300.h (FIRST_PSEUDO_REGISTER): Bump to 10. + (FIXED_REGISTERS): Add argument pointer register, it's a fake fixed + register. + (CALL_USED_REGISTERS, REG_ALLOC_ORDER): Corresponding changes. + (REGNO_REG_CLASS, REG_CLASS_CONTENTS): Likewise. + (REG_OK_FOR_BASE_P, REGISTER_NAMES): Likewise. + (reg_class, REG_CLASS_NAMES): Delete unwanted DATA_OR_SP_REGS class. + (PREFERRED_OUTPUT_RELOAD_CLASS): Define. + (FIRST_PARM_OFFSET): No longer include register save area in + computation. + (STACK_POINTER_REGNUM): Is now register 9. + (ARG_POINTER_REGNUM): Is now register 8. + (FRAME_POINTER_REQUIRED): Refine. + (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Define. + (CAN_DEUG_WITHOUT_FP): Define. + * mn10300.md (return_internal): Break into two patterns. + + * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'M' too. + (REGISTER_MOVE_COST): Fix errors and refine. + + * mn10300.c (notice_update_cc): SET_ZN_C0 insns leave the + overflow bit in an unuseable state. Rename CC_SET to CC_TST. + * mn10300.md (cc attributes): "set" is gone, replaced by + "tst". Update attributes on various insns. + + * mn10300.md: Improve sign and zero extension instructions. + (ashlsi3): Improve. Handle address registers too. + (add peephole): Combine two consecutive adjustments of a register + into a single adjustment. + +Tue Mar 11 17:18:40 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu> + + * cplus-dem.c (gnu_special): Call demangled_fund_type for other + __t* symbols. + +Mon Mar 10 16:10:34 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (subreg_lowpart_p): Return 0 if SUBREG_REG is VOIDmode. + * combine.c (simplify_rtx, case SUBREG): Fix direction of test when + calling operand_subword; use inline code intead of subreg_lowpart_p. + +Fri Mar 7 09:22:28 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (expand_{pro,epi}logue): Rework to avoid + unnecessary "add" operations. + (expand_epilogue): Likewise. + * mn10300.h (STARTING_FRAME_OFFSET): Is zero after the last + round of prologue/epilogue changes. + (FIRST_PARM_OFFSET): Is now 16 (-4 for REG_PARM_STACK_SPACE + 20 for + register save area). + (REG_PARM_STACK_SPACE): Define as 4 bytes. + (OUTGOING_REG_PARM_STACK_SPACE): Define so caller allocates it. + * mn10300.md (call{,_value} expander): Don't emit insns to adjust the + stack here anymore. + + * mn10300.md (bCC patterns): Just use "bCC target". + +Tue Mar 4 13:21:41 1997 Jim Wilson <wilson@cygnus.com> + + * rs6000.md (movsi): Don't emit a USE insn for LABEL_REFs. + +Thu Mar 6 16:29:13 1997 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (modified_type_die): Initialize item_type to NULL. + Move equate_type_number_to_die call before use of sub_die, and move + recursive modified_type_die calls on item_type after it. + + * dwarfout.c (root_type_1, write_modifier_bytes_1): New functions. + (root_type): Call root_type_1. + (write_modifier_bytes): Call write_modifier_bytes_1. + (output_type, case POINTER_TYPE): Set TREE_ASM_WRITTEN before + recursive call. + +Wed Mar 5 14:30:49 1997 Torbjorn Granlund <tege@quiet.matematik.su.se> + + Partially undo Jan 11 changes (nor takes only register ops): + * mips.md (*norsi3_const, *nordi3_const): Delete bogus patterns. + * mips.c (complemented_arith_operand): Delete function. + (print_operand): Don't handle `e' for CONST_INT. + * mips.h (PREDICATE_CODES): Delete complemented_arith_operand. + +Tue Mar 4 16:38:13 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * i386.c (i386_return_pops_args): Make sure FUNDECL is non-nil + before we try to use it. + * i386/{isc,next,sco,sco5,scodbx}.h (RETURN_POPS_ARGS): Likewise. + +Mon Mar 3 20:17:54 1997 Gavin Koch <gavin@cygnus.com> + + * ginclude/va-mips.h: __mips_single_float should have + the same effect on vararg lists as __mips_soft_float. + +Mon Mar 3 18:12:01 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (DBX_CONTIN_LENGTH): Undo 2/26 change. + +Mon Mar 3 13:08:20 1997 Jeffrey A Law (law@cygnus.com) + + * combine.c (simplify_rtx): Do nothing with (truncate:mode) if + mode is a partial integer mode. + +Sun Mar 2 17:41:18 1997 Ulrich Drepper <drepper@cygnus.com> + + * ginclude/varargs.h: Add definition of __va_copy. + * va-alpha.h, va-clipper.h, va-h8300.h, va-i860.h: Likewise. + * va-i960.h, va-m88k.h, va-mips.h, va-pa.h, va-ppc.h: Likewise. + * va-sh.h, va-sparc.h, va-spur.h: Likewise. + +Sun Mar 2 13:25:49 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c (process_init_element): Warn and truncate if upper + bound of index is out of range. + +Fri Feb 28 16:08:47 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000/sol-c0.c (_start): Disable loading up r13 and r2 with the + SDA base registers for now. + + * rs6000.md (movsi): Emit a USE insn when putting the + label of constants into the TOC, so that the constant is still + emitted when expensive optimizations are used. + +Thu Feb 27 17:54:42 1997 Karl Heuer <kwzh@gnu.ai.mit.edu> + + * fixinc.ptx: Fix sed expression looking for <sys/types.h> in pwd.h. + +Thu Feb 27 12:11:16 1997 Dennis Glatting <dennis.glatting@plaintalk.bellevue.wa.us> + + * fixincludes: Remove more cases of __const__ from math.h on NeXT. + +Wed Feb 26 14:52:27 1997 Michael Meissner <meissner@cygnus.com> + + * reload.c (debug_reload): Remove extra argument to fprintf. + * rs6000.c (output_toc): Make fprintf calls type correct. + + * rs6000.h (DBX_CONTIN_LENGTH): Define as 4000 to avoid AIX + assembler line limit. + +Mon Feb 24 17:56:17 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * fixincludes: Fix need of prototypes for C++ in rpc/xdr.h on SunOS4. + +Mon Feb 24 17:33:57 1997 Michael Meissner <meissner@cygnus.com> + + * rs6000/xm-sysv4.h (HAVE_STRERROR): Define. + +Sun Feb 23 17:18:28 1997 Jim Wilson <wilson@cygnus.com> + + * rs6000.md (floatsidf2_loadaddr): Correct syntax for cau instruction. + (load_multiple, store_multiple): Call change_address instead of + creating MEM from scratch. + +Thu Feb 20 16:39:15 1997 Jim Wilson <wilson@cygnus.com> + + * unroll.c (unroll_loop): Add check for naive loop that ends with + conditional branch that does not branch back to loop start. + + * reload1.c (reload): Move assign_stack_local call into main loop. + +Thu Feb 20 11:40:46 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (zero extension patterns): Turn into define_expand and + define_insn pair. + +Wed Feb 19 17:05:38 1997 Jeffrey A Law (law@cygnus.com) + + * pa.c (emit_move_sequence): Don't copy 0.0 (double precision) + directly to memory, go through a reg if reload hasn't started. + * pa.md (main movdf pattern): Don't allow 0.0 (double precision) + to be copied directly to memory. + + * pa/pa-hpux10.h (MD_EXEC_PREFIX): Define appropriately for hpux10. + (MD_STARTFILE_PREFIX): Similarly. + + * pa.h (ASM_OUTPUT_SECTION_NAME): Surround the section name + with '$' if not using GAS. + +Wed Feb 19 16:43:47 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sched.c (schedule_insns): If there was no first scheduling pass, + split instructions after reload. + (update_flow_info): Tolerate some idiosyncrasies after reload. + +Wed Feb 19 11:13:51 1997 Jeffrey A Law (law@cygnus.com) + + * combine.c (find_split_point): Don't turn a SIGN_EXTEND into + a series of shifts if either mode is a partial integer mode. + +Mon Feb 17 08:06:02 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.c ({,non_}short_cint_operand): Use (unsigned HOST_WIDE_INT). + (non_add_cint_operand, includes_rshift_p): Likewise. + * rs6000.h (CONST_OK_FOR_LETTER_P): Likewise. + (LEGITIMATE_ADDRESS_INTEGER_P, LEGITIMIZE_ADDRESS): Likewise. + +Sun Feb 16 07:55:19 1997 J"orn Rennecke (amylaar@cygnus.co.uk) + + * libgcc2.c (__negdi2, __lshrdi3, __ashldi3, __ashrdi3, __ffsdi2): + Use ANSI style definition with full prototype. + (__muldi3, __udiv_w_sdiv, __udivmoddi4, __divdi3, __moddi3) : Likewise. + (__udivmoddi4, __udivdi3, __cmpdi2, __ucmpdi2) : Likewise. + (__fixunstfdi, __fixtfdi, __fixunsxfdi, __fixxfdi) : Likewise. + (__fixunsdfdi, __fixdfdi, __floatdixf, __floatditf) : Likewise. + (__floatdidf, __floatdisf, __fixunsxfsi, __fixunsdfsi) : Likewise. + (__gcc_bcmp, __eprintf, gopen, gclose, __bb_init_file) : Likewise. + (__bb_init_trace_func, __clear_cache, mprotect) : Likewise. + (__enable_execute_stack, cacheflush, exit) : Likewise. + (find_exception_table, __find_first_exception_table_match) : Likewise. + +Sun Feb 16 07:52:02 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.md (mulqihi3): Corrected. + (tst{hf,tqf}): Simplified. + (movqi): Removed redundant alternative. + (addqi-3,addqi-2,addqi-1): Set/Reset Bit patterns by C. Nettleton. + (many patterns): Introduced operand output modifiers d,t,b,B,w. + * 1750a.c (print_operand): New operand output modifiers d,t,b,B,w. + (simple_memory_operand): Removed. + (one_bit_set_p, which_bit): Added from C. Nettleton's m1750 config. + +Sun Feb 16 07:43:37 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c (special_symbol): Don't treat "L" in "L'...'" as identifier. + (check_macro_name, collect_expansion, rescan): Likewise. + * cpplib.c (special_symbol, check_macro_name, collect_expansion): + Likewise. + + * cexp.y (parse_c_expression): Don't check for null lexptr + or *lexptr == 0. If yyparse returns nonzero value, abort. + + * cexp.y (yylex): Use is_space, not is_hor_space, to find keyword end. + (is_space): New decl. + (is_hor_space): Removed. + * cccp.c (is_space): Now external. + (is_hor_space): Now static. + +Sun Feb 16 04:55:11 1997 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c, tree.h (decl_printable_name): Change arguments. + * c-common.c (declare_function_name): Reflect above change. + * final.c (final_start_function): Likewise. + * function.c (init_function_start): Likewise. + * toplev.c (decl_name): Likewise. + (announce_function): Likewise. + (v_message_with_decl): Likewise. + * dwarf2out.c (dwarf2_name): New fn, uses decl_printable_name. + (add_pubname): Use it. + (add_name_and_src_coords_attributes): Use it, add + DW_AT_MIPS_linkage_name if appropriate. + (output_aranges): Use DW_AT_MIPS_linkage_name if present. + +Sat Feb 15 18:45:30 1997 J.T. Conklin <jtc@cygnus.com> + + * m68k.md (cmpsi): Added insn with appropriate constraints for + TARGET_5200; changed condition of existing insn to !TARGET_5200. + +Sat Feb 15 18:26:50 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k/hp320.h (PRINT_OPERAND_FLOAT): Removed. + (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined. + (PRINT_OPERAND): Turned off: use default. + * m68k/news.h (PRINT_OPERAND): Turned off: use default. + (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined. + * m68k/tower-as.h (PRINT_OPERAND): Turned off: use default. + (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined. + * m68k/crds.h (PRINT_OPERAND): Turned off: use default. + (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined. + (SGS_NO_LI,STRUCTURE_SIZE_BOUNDARY,IMMEDIATE_PREFIX): Defined. + (NEED_PROBE): Defined instead of HAVE_probe and gen_probe. + (FUNCTION_{PRO,EPI}LOGUE): Do not access FPA registers. + * m68k.c (output_function_prologue): Add CRDS and MOTOROLA probe code. + (print_operand): Do not output '.' if CRDS. + + * gcc.c (set_spec): Fix comment-in-comment typo. + +Sat Feb 15 17:54:23 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * Makefile.in (COMPILERS): Moved before GCC_PASSES. + (GCC_PASSES): Use $(COMPILERS) instead of cc1$(exeext). + +Sat Feb 15 17:25:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * gcc.c (process_command): Allocate space for terminating null. + +Sat Feb 15 17:21:34 1997 Pat Rankin <rankin@eql.caltech.edu> + + * vax.h (FUNCTION_PROLOGUE): Adjust size by STARTING_FRAME_OFFSET. + * vax/vms.h (FUNCTION_PROLOGUE): Delete. + +Sat Feb 15 08:48:14 1997 Douglas B. Rupp (rupp@gnat.com) + + * configure: Fix setting of CC in no-symlink case. + +Sat Feb 15 08:42:17 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * expmed.c (expand_divmod): Prefer divmod in same mode over div + in wider mode. + +Sat Feb 15 08:27:50 1997 J"orn Rennecke (amylaar@cygnus.co.uk) + + * fold-const.c (fold): Don't assume a nonexplicit constant cannot + equal an explicit one. + + * i386.md (zero_extendqi[hs]i2+3): Ensure operating on REG. + +Sat Feb 15 08:11:04 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (i[3456]86-*-solaris2*): Correct tm.h filename in + stabs case. + + * a29k.h (STORE_FLAG_VALUE): Write so works on both 32 and 64-bit host. + +Fri Feb 14 16:03:37 1997 Robert Lipe <robertl@dgii.com> + + * i386/t-sco5 (libgcc{1,2}-elf.a): correct target dependencies. + +Fri Feb 14 16:00:23 1997 H.J. Lu <hjl@gnu.ai.mit.edu> + + * config/svr4.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Set + current-section variable to text. + +Wed Feb 12 16:07:34 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * fixinc.irix: New file. + * configure (mips-sgi-irix[56]): Set fixincludes to fixinc.irix. + +Wed Feb 12 15:40:20 1997 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (LIBGCC2_DEBUG_CFLAGS): New macro. + (LIBGCC2_CFLAGS): Use it. + + * dwarfout.c (output_type): Do early exit only if TYPE_CONTEXT is NULL + or if TYPE_CONTEXT is another type (e.g. a nested type). + +Tue Feb 11 15:53:51 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (calc_live_regs): Exclude RETURN_ADDRESS_POINTER_REGNUM. + Need not save MACL/MACH when not live or in leaf function. + +Mon Feb 10 14:46:32 1997 Jeffrey A Law (law@cygnus.com) + + * stmt.c (group_case_nodes): Recognize more opportunities to + group case nodes. + +Sun Feb 9 14:05:48 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (assign_stack_temp): Clear MEM flags from reuse. + +Sat Feb 8 17:37:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * local-alloc.c (update_equiv_regs): Fix error in last change. + +Fri Feb 7 12:42:34 1997 Mike Stump <mrs@cygnus.com> + + * pa.h (RETURN_ADDR_RTX): Fix to ignore export stubs. + * pa.c (return_addr_rtx): Define. + +Fri Feb 7 13:56:56 1997 Doug Evans <dje@cygnus.com> + + * cse.c (invalidate_from_clobbers): Delete unnecessary test for + (clobber nil). + + * toplev.c (main): Delete redundant settings of flag_no_inline + and warn_inline if not optimizating. + +Fri Feb 7 10:45:02 1997 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (stmp-multilib-sub): Add missing "else true" + clauses to work around make bug on some systems. + +Fri Feb 7 08:19:43 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (const_binop): Don't call size_int if low < 0. + + * function.c (instantiate_virtual_regs_1, case USE, CLOBBER): + Fix error in last change. + +Thu Feb 6 17:09:17 1997 Mike Stump <mrs@cygnus.com> + + * except.c (find_exception_handler_labels): Initialize label array + with zeroes. + +Wed Feb 5 22:11:55 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (post_ldwm): Fix typos. + +Wed Feb 5 15:57:42 1997 Doug Evans <dje@cygnus.com> + + * m68k/vxm68k.h (WCHAR_TYPE,WCHAR_TYPE_SIZE,SIZE_TYPE): Fix. + (PTRDIFF_TYPE): Define. + +Wed Feb 5 11:19:13 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload1.c (alter_reg): Don't ask assign_stack_local to round up + to a multiple of BIGGEST_ALIGNMENT, unless a register appears in a + paradoxical subreg. + +Tue Feb 4 19:29:40 1997 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads_address_1, case POST_INC): Don't use + ADDR_TYPE here. + +Tue Feb 4 12:33:45 1997 Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis): Delete obvious no-op moves + which use SUBREGs. + +Mon Feb 3 20:00:35 1997 Jim Wilson <wilson@cygnus.com> + + * jump.c (find_cross_jump): Don't allow old-style and volatile asms + to match. + +Mon Feb 3 15:51:31 1997 Doug Evans <dje@cygnus.com> + + * sparc/sol2.h (ASM_SHORT,ASM_LONG): Set to .uahalf/.uaword. + * sparc/sysv4.h (ASM_LONG): Define. + (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Use ASM_LONG. + +Mon Feb 3 13:01:46 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload.h (enum reload_type): Add RELOAD_FOR_INPADDR_ADDRESS and + RELOAD_FOR_OUTADDR_ADDRESS. + * reload.c (ADDR_TYPE): New macro. + (push_secondary_reload): Check for new reload types. + (combine_reloads): Likewise. + (find_reloads): Likewise. Convert INPADDR_ADDRESS and + OUTADDR_ADDRESS to OPADDR_ADDR. Check OPADDR_ADDR when looking + for merges. + (find_reloads_address): When reloading an address, use the + ADDR_TYPE macro to get the type of the new reload. + (find_reloads_address_1): Likewise. + (reload_when_needed_name): Add new reload types. + * reload1.c (reload): Add in_addr_addr and out_addr_addr fields to + insn_needs struct. Use them for new reload types, and when + computing in_max and out_max. + (reg_used_in_inpaddr_addr): New static array. + (reg_used_in_outaddr_addr): New static array. + (mark_reload_reg_in_use): Handle new reload types. + (clear_reload_reg_in_use, reload_reg_free_p): Likewise. + (reload_reg_free_before_p, reload_reg_reaches_end_p): Likewise. + (reloads_conflict, merge_assigned_reloads): Likewise. + (emit_reload_insns): Likewise. + (choose_reload_regs): Save arrays for new reload types. + +Sun Feb 2 19:43:17 1997 Scott Christley <scottc@net-community.com> + + * objc/selector.c (__sel_register_typed_name): Eliminate compiler + warnings with explicit cast. + + * Add condition mutex support to the objc runtime. + * objc/thr-mach.c (objc_condition_{,de}allocate): New functions. + (objc_condition_{wait,broadcast,signal}): New functions. + * objc/thr-pthreads.c (objc_condition_{,de}allocate): New functions. + (objc_condition_{wait,broadcast,signal}): New functions. + * objc/thr-solaris.c (objc_condition_{,de}allocate): New functions. + (objc_condition_{wait,broadcast,signal}): New functions. + * objc/thr.h: Prototypes for new functions. + + * objc/init.c (__objc_runtime_mutex): Eliminate leading underscore + from name of objc mutex and thread structures. + * objc/runtime.h: Likewise. + * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Likewise. + * objc/thr-{solaris,win32}.c: Likewise. + * objc/thr.{c,h}: Likewise. + + * Major reorganization of objc error handling. + * objc/Object.m (-error:): Call objc_error function instead of + using function pointer. + * objc/archive.c: Replace call to abort or __objc_fatal functions + with call to objc_error function throughout the complete file. + * objc/class.c (objc_get_class): Replace call to abort function + with call to objc_error function. + * objc/encoding.c (objc_sizeof_type, objc_alignof_type): Replace + call to abort function with call to objc_error function. + (objc_skip_typespec): Likewise. + * objc/init.c (init_check_module_version): Replace call to + abort function with call to objc_error function. + * objc/misc.c (objc_verror): New function. + (objc_fatal): Remove function. + (objc_set_error_handler): New function. + (_objc_error_handler): New global variable. + (__alpha__): Remove unneeded code. + (objc_error): Allow user specified error handler function to + trap and handle the objc error. Added an error code parameter + which indicates the specific error that occurred. + (objc_malloc, objc_atomic_malloc): Replace call to objc_fatal + function with call to objc_error function. + (objc_valloc, objc_realloc, objc_calloc): Likewise. + * objc/objc-api.h: Declare error handling functions and typedef + for user specified error handler function. Define error codes + used by the runtime library. + * objc/runtime.h: Remove error handling declarations. + * objc/sendmsg.c (__objc_forward): Replace call to abort function + with call to objc_error function. + +Sun Feb 2 19:42:52 1997 Thomas Baier <baier@ci.tuwien.ac.at> + + * objc/hash.c (hash_delete): Step through the hash nodes + versus using hash_next to increase efficiency. + * objc/archive.c (__objc_finish_read_root_object): Use hash + table instead of list. + +Sun Feb 2 08:25:05 1997 Ovidiu Predescu <ovidiu@net-community.com> + + * objc-act.c (encode_aggregate_within): New function. + (encode_aggregate): Generates encodings for unions similar + to those for structs except surrounded by parenthesis instead + of braces. + +Sun Feb 2 07:15:54 1997 Mat Hostetter (mat@lcs.mit.edu) + + * c-decl.c (start_function): Fix improper installation of last change. + +Sun Feb 2 06:50:55 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.c (output_scc_di): Add missing CC_STATUS_INIT. + +Sun Feb 2 06:39:55 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-typeck.c (process_init_element): When popping levels, don't + blow up if constructor_max_index not set due to previous error. + + * combine.c (find_split_point, case SET): Fix error in last change. + +Sun Feb 2 06:28:56 1997 Paul Eggert <eggert@twinsun.com> + + * cccp.c (rescan): Insert a space after `.' as well, + to prevent accidental token-pasting (e.g. `.x' -> `.10'). + +Sun Feb 2 06:08:14 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.c (modregno_adjust): Fixed case when reg_renumber invalid. + +Sat Feb 1 19:11:08 1997 J.T. Conklin <jtc@rhino.cygnus.com> + + * m68k.md (movqi): Enable use of clr and st insns on TARGET_5200. + * m68k.c (output_move_simode_const): Likewise. + +Sat Feb 1 18:54:00 1997 Douglas B. Rupp (rupp@gnat.com) + + * gcc.c (process_command): Fix improper use of strncpy. + +Fri Jan 31 15:35:08 1997 Mike Stump <mrs@cygnus.com> + + * libgcc2.c: Remove extern for malloc and realloc. + +Fri Jan 31 17:08:11 1997 Ian Lance Taylor <ian@cygnus.com> + + * local-alloc.c (update_equiv_regs): If register which is equivalent + to some value is only used in one place, and we can't substitute value + for use, move register assignment to just before use. + +Fri Jan 31 15:57:25 1997 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.md (idiv,imul,fpmul): Added new functional units for pentiumpro. + + * i386.c (pentiumpro_cost): Added new cost structure for pentiumpro. + (override_options): Set ix86_cost to appropriate cost structure. + +Thu Jan 30 09:34:26 1997 J.T. Conklin <jtc@rhino.cygnus.com> + + * m68k.md (stack adjust peepholes): Use lea instead of + add.w when adding 16 bit constants on all but TARGET_68040. + +Thu Jan 30 08:58:08 1997 Ralf Baechle <ralf@waldorf-gmbh.de> + + * function.c (TRAMPOLINE_ALIGNMENT): Provide default. + (expand_function_end): Use TRAMPOLINE_ALIGNMENT instead + of FUNCTION_BOUNDARY. + * varasm.c (TRAMPOLINE_ALIGNMENT): Provide default. + (assemble_trampoline_template): Use TRAMPOLINE_ALIGNMENT instead + of FUNCTION_BOUNDARY. + +Wed Jan 29 18:16:02 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (REG_CLASS_CONTENTS): Add rap to GENERAL_REGS and its + superclasses. + + * sh.md (movsi_i, movsi_ie, movhi_i, movhi+1): Use type pcload for + immediate operands where appropriate. + (movsf_ie+1): Fail when loading anything but a MEM into + a floating point reguister. + +Wed Jan 29 16:00:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * varasm.c (force_const_mem): Set MARK instead of clearing it. + (output_constant_pool): Only mark constant pool if -O. + Check mark flag unconditionally. + (mark_constant_pool): Start by clearing all mark flags. + + * tree.c (copy_node): Clear TREE_ASM_WRITTEN. + + * flow.c (regno_uninitialized): Return 0 if reg is used for args. + +Wed Jan 29 15:23:59 1997 Ian Lance Taylor <ian@cygnus.com> + + * combine.c (try_combine): Clear reg_n_refs if i2dest is not + mentioned in newi2pat. + +Tue Jan 28 16:00:23 1997 Stan Cox (coxs@dg-rtp.dg.com) + + From Robert Lipe <robertl@dgii.com> + * i386/sco5.h (SCO_DEFAULT_ASM_COFF): Remove bytecode stuff. + (ASM_OUTPUT_ASCII): Use .ascii in both ELF and COFF modes. + (ASM_OUTPUT_SECTION_NAME): Handle alternate sections for COFF. + The OpenServer 5.0.0 assembler gives an error for section + names over 6 characters long, so we catch the "obvious" case + and shorten it. + + * m88k.h (ASM_OUTPUT_SECTION_NAME): Undefine; fails + for exception sections. The 88k ABI specifies 'section' + instead of '.section'. + +Mon Jan 27 13:32:46 1997 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (shl_and_kind): Fix typo. + * sh.md (and_shl_scratch): Fix typo for length 8. + +Mon Jan 27 08:56:03 1997 Jeffrey A Law (law@cygnus.com) + + * fixincludes (sys/time.h): Fix incorrect forward structure + declaration on hpux10.20. + +Mon Jan 27 09:05:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (simplify_rtx): Don't do anything with if_then_else_cond + result if both one arm and the input are a comparison. + (simplify_{rtx,if_then_else,logical,shift_const}): Don't + test STORE_FLAG_VALUE with #if; properly test for just sign bit. + (num_sign_bit_copies, if_then_else_cond): Likewise. + * expmed.c (emit_store_flag): Properly test for STORE_FLAG_VALUE + of just sign bit. + * fold-const.c (fold): Don't make COND_EXPR when both expr and + one part are comparisons. + * a29k.h (STORE_FLAG_VALUE): Make negative. + +Fri Jan 24 16:42:26 1997 Ian Lance Taylor <ian@cygnus.com> + + * varasm.c (struct pool_constant): Add mark field. + (force_const_mem): Clear mark field in new constant pool entry. + (output_constant_pool): Call mark_constant_pool. + (mark_constant_pool, mark_constants): New static functions. + +Thu Jan 23 15:04:17 1997 Ian Lance Taylor <ian@cygnus.com> + + * cse.c (COST): Get the right cost for a SUBREG of a register when + truncation is free. + +Thu Jan 23 11:19:40 1997 Mike Stump <mrs@cygnus.com> + + * Makefile.in (objc-headers): Don't try and install the headers if + the objc directory has been removed. + +Wed Jan 22 13:26:25 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * i960.c (process_pragma): Call ungetc on the last character + that was read by the while loop, to make sure the parser sees it. + +Tue Jan 21 17:20:30 1997 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (output_toc): Move STRIP_NAME_ENCODING to common + code, so the test for vt's works with -mminimal-toc. + +Tue Jan 21 16:03:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (mark_all_temps_used): Set KEEP as well. + +Tue Jan 21 12:16:15 1997 Doug Evans <dje@seba.cygnus.com> + + * stor-layout.c (layout_record): Correct test for whether field spans + its unit of alignment in case where field_size == type_align. + +Mon Jan 20 20:27:54 1997 Ian Lance Taylor <ian@cygnus.com> + + * mips.md (probe): Comment out. + +Sun Jan 19 20:54:45 1997 John F. Carr <jfc@mit.edu> + + * integrate.c (expand_inline_function): Handle a PARALLEL containing + a RETURN the same as a RETURN. + +Sun Jan 19 20:35:28 1997 Pat Rankin <rankin@eql.caltech.edu> + + * vmsconfig.com: Change all hardcoded references of "vax" to + use variable expansion instead. + (arch_indx, arch): New variables. + + * vax.c (not_qsort): Don't declare alloca. + * vax/xm-vms.h: Declare alloca here. + Do most of the VAX C-specific set up for DEC C. + #if DEC C, undefine QSORT_WORKAROUND and qsort. + * make-gcc.com, make-cccp.com, make-cc1.com: Support building + with GNU C vs VAX C vs DEC C from the DCL command line. + +Sun Jan 19 17:20:50 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.md (movh[if]-1): Corrected. + (movtqf-1): Deleted. + * 1750a.c (add_1_to_mem): Deleted. + (output_operand_address): Added output modifier 'A'. + +Sun Jan 19 17:17:54 1997 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k.md (ashrdi_const, ashrdi3): Allow 31 as shift count. + + * m68k.h (CONST_OK_FOR_LETTER_P): Recognize 'N', 'O' and 'P'. + * m68k.md (rotl[shq]i3, strict_low_part rotl): Allow 'N', 'O' + or 'P' operands. + +Sun Jan 19 17:09:17 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.md (addsi3): Fix previous change: {add,sub}qw should + be {add,sub}ql. For other uses of {add,sub}q don't check for address + register and always use {add,sub}ql. + +Sun Jan 19 15:05:42 1997 Peter Seebach <seebs@solon.com> + + * c-decl.c (start_decl): Add code for -Wmain. + (c_decode_option): Add -fhosted, -ffreestanding, and -Wmain. + * toplev.c (lang_options): Likewise. + * c-tree.h (warn_main, flag_hosted): New variables. + +Sun Jan 19 14:35:41 1997 Alex Garthwaite (alex@samwise.cis.upenn.edu) + + * fixinc.svr4: Fix problems with symlinks to ".". + +Sun Jan 19 14:21:46 1997 Craig Burley <burley@gnu.ai.mit.edu> + + * loop.c (check_final_value): Handle insns with no luid's. + +Sun Jan 19 08:57:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.md (arg_home): Add CLOBBER of MEM and USE of arg regs. + * vms.h (SETUP_INCOMING_VARARGS): Delete duplicate definition. + + * toplev.c (set_float_handler): Set up signal catcher on first call + in case a front end has disabled it. + + * cccp.c, cexp.y: #define __attribute__ to be null if + compiling with GCC older than 2.7, not 2.6. + + * toplev.c (main): If PREFERRED_DEBUGGING_TYPE used and set + to NO_DEBUG, say debugging not supported. + * mips/sni-svr4.h (PREFERRED_DEBUGGING_TYPE): Undefine. + + * i386/xm-cygwin32.h (DIR_SEPARATOR): Define. + + * explow.c (convert_memory_address, case SYMBOL_REF): + Copy CONSTANT_POOL_ADDRESS_P. + * integrate.c (save_constants): Make (address (const ..)) to record + both modes. + (copy_for_inline, copy_rtx_and_substitute, restore_constants): Use + both modes when restoring constant pool entry for ADDRESS. + + * alpha.h (MINIMUM_ATOMIC_ALIGNMENT): New macro. + + * function.c (instantiate_virtual_regs_1, case USE, case CLOBBER): + Properly handle case of shared MEM whose replacement is not valid. + +Sat Jan 18 14:08:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (get_unwidened): Don't crash if FIELD_DECL not layed out. + + * varasm.c (const_hash): Treat NON_LVALUE_EXPR like CONVERT_EXPR. + (compare_constant_1, copy_constant, bc_assemble_integer): Likewise. + (const_hash, compare_constant_1): Use switch, not if-then-else. + +Fri Jan 17 17:10:20 1997 Ian Lance Taylor <ian@cygnus.com> + + * mips.h (STACK_POINTER_OFFSET): Don't define. + +Thu Jan 16 14:51:03 1997 Bob Manson <manson@charmed.cygnus.com> + + * cplus-dem.c: Fix indenting; note that this file also lives in + libiberty. + (do_type, case 'M'): Check for a template as well as a class. + +Thu Jan 16 15:08:26 1997 Michael Meissner <meissner@tiktok.cygnus.com> + + * gcc.c (cross_compile): Change to be a char * like all of the + other specs. + (process_command): Change how cross_compile is tested. + (main): Likewise. + (struct spec_list): Merge with the format used by EXTRA_SPECS. + Add name length field to speed up repeated calls to strcmp. Add + flag to say spec was allocated. Add pointer to char * so that + static spec fields can be updated. + (extra_specs): Use struct spec_list as type. + (static_specs): Static list of predefined specs. + (init_specs): New function, initialize the specs list. Link in + the default specs and any specs defined via EXTRA_SPECS. + (set_spec): No longer special case predefined specs. + (process_command,validate_all_switches): Ditto. + (process_command): Call init_specs for -dumpspecs. + (do_spec_1): Use name length field to avoid calling strncmp when + it is going to fail. + (main): Call init_spec. Don't handle EXTRA_SPECS here. + +Thu Jan 16 17:07:54 1997 Eddie C. Dost <ecd@skynet.be> + + * configure: Add sparc-linux{,aout} support. + * ginclude/va-sparc.h: Likewise. + * sparc/linux.h: New file. + * sparc/linux-aout.h: New file. + * sparc/xm-linux.h: New file. + +Thu Jan 16 16:19:13 1997 Jim Wilson <wilson@cygnus.com> + + * configure (sparc-*-aout*): Add libgloss.h to tm_file. + (sparclite-*-coff*): Change "= to =". + +Thu Jan 16 12:53:15 CST 1997 Joel Sherrill <joel@OARcorp.com> + + * rs6000/rtems.h: Change from being sysv4 based to being eabi based. + +Thu Jan 16 13:40:51 1997 Jim Wilson <wilson@cygnus.com> + + * mips.h (LINKER_ENDIAN_SPEC): Define. + (LINK_SPEC): Add linker_endian_spec. + (EXTRA_SPECS): Add linker_endian_spec. + +Thu Jan 16 08:02:13 1997 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (bCC, inverted bCC): Use bCC .+X instead of bCC 0f. + +Wed Jan 15 14:06:28 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload.h (reload_address_base_reg_class): Declare. + (reload_address_index_reg_class): Declare. + * reload1.c (reload_address_base_reg_class): Define. + (reload_address_index_reg_class): Define. + (init_reload): Initialize reload_address_{base,index}_reg_class. + * reload.c (find_reloads_address): Use + reload_address_base_reg_class rather than BASE_REG_CLASS. Use + reload_address_index_reg_class rather than INDEX_REG_CLASS. + (find_reloads_address_1): Likewise. + +Tue Jan 14 15:26:33 1997 Ian Lance Taylor <ian@cygnus.com> + + * reload.c (REGNO_MODE_OK_FOR_BASE_P): Define if not defined. + (REG_MODE_OK_FOR_BASE_P): Define if not defined. + (find_reloads_address): Use REG[NO]_MODE_OK_FOR_BASE_P rather than + REG[NO]_OK_FOR_BASE_P. + (find_reloads_address_1): Likewise. + Add mode parameter; change all callers. + + * reload1.c (eliminate_regs_in_insn): Handle more cases when + eliminating the frame pointer to the hard frame pointer. + + * varasm.c (force_const_mem): Copy a CONST_INT rtx like a CONST rtx. + + * varasm.c (assemble_end_function): Call + output_after_function_constants. + (after_function_constants): New static variable. + (output_after_function_constants): New static function. + (output_constant_def): Check CONSTANT_AFTER_FUNCTION_P. + +Mon Jan 13 16:44:40 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000/aix41.h (CPP_PREDEFINES): Add -D_AIX41. + +Sun Jan 12 20:54:01 1997 Jim Wilson <wilson@cygnus.com> + + * libgloss.h (LINK_SPEC): Delete. + (STARTFILE_SPEC): Delete spurious newline. + +Sat Jan 11 00:13:03 1997 Torbjorn Granlund <tege@quiet.matematik.su.se> + + * mips.md (norsi3, nordi3): Use canonical RTL. Prepend `*' to pattern + name. Don't match immediates. + (norsi3_const, nordi3_const): New patterns. + (anddi3, iordi3, xordi3): Test TARGET_64BIT, not mips_isa + in length attribute calculation. + * mips.c (complemented_arith_operand): New function. + (print_operand): Handle `e' for CONST_INT. + * mips.h (PREDICATE_CODES): Add complemented_arith_operand. + +Fri Jan 10 14:11:53 1997 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000/aix41.h (SUBTARGET_SWITCHES): Add threads and pe. + (CPP_SPEC): Add mpe and mthreads cases. + (LIB_SPEC): Add mpe and mthreads cases to variant from rs6000.h. + (STARTFILE_SPEC): Add mpe and mthreads support. + +Fri Jan 10 07:12:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * i386/cygwin32.h (LINK_SPEC): New definition. + + * Makefile.in (FLAGS_TO_PASS): Add STAGE_PREFIX, set by configure. + * configure: Initialize exeext. + Update STAGE_PREFIX in Makefile. + + * dwarfout.c (dwarfout_line): Push to LINE_SECTION after calling + lookup_filename. + +Thu Jan 9 12:06:04 1997 Jim Wilson <wilson@cygnus.com> + + * i386.md (addsidi3_2): Add & to operand 0 of alternative 5. + +Thu Jan 9 12:06:04 1997 Stan Cox <coxs@dg-rtp.dg.com> + + From Linus Torvalds and Mat Hostetter: + * i386.c (i386_sext16_if_const): Added to sign extend HImode constant. + (i386_aligned_reg_p): Added to tell if an rtx is aligned. + (i386_cc_probably_useless_p): Don't trust cc bits. + * i386.h (TARGET_ZERO_EXTEND_WITH_AND): Don't do this for p6. + * i386.md (cmpsf_ccfpeq+2): Use SImode test instruction. + (movhi+1): Use movz instead of mov on p6. + (addsi3): Add 128 by subtracting -128. + (zero_extendhisi2): Use SImode move if aligned. + ({add,sub,and,ior,xor}hi3): Likewise. + +Tue Jan 7 16:58:27 1997 Jason Merrill <jason@yorick.cygnus.com> + + * c-parse.in (extension): New rule for __extension__. + (extdef, unary_expr, decl, component_decl): Use it. + +Mon Jan 6 15:44:37 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de) + + * 1750a.c: Now includes regs.h. + ({movcnt,mod}_regno_adjust): Corrected typos. + * 1750a.md (movhi): Corrected case of moving constant to memory. + +Mon Jan 6 08:00:57 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * mips.h: Delete redundant definitions of compiler and library fns. + + * dwarfout.c (type_attribute): Ignore any subtype for now. + + * fold-const.c (operand_equal_p): Rework to consider two + expressions that have embedded identical SAVE_EXPRs as + equivalent; also handle some more cases. + +Sun Jan 5 23:54:34 1997 Jeffrey A Law (law@cygnus.com) + + * pa.md (pic_load_label): Fix test for using just an + ldo rather than an addil;ldo sequence to load the label's + address. + +Sun Jan 5 07:26:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_expr, case COMPONENT_REF): Fix error in last + change: don't suppress conversion if just EXPAND_SUM. + +Sat Jan 4 18:44:01 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.h (struct tree_decl): saved_insns.i is HOST_WIDE_INT. + + * fold-const.c (const_binop): Rework to only make constants in + one place; always use size_int if small enough and of sizetype. + (size_int): Call force_fit_type. + (fold): Avoid ever changing type of input tree. + + * expr.c (get_inner_reference): Fix type error. + (expand_expr, case COMPONENT_REF): Don't convert if modifier + is EXPAND_CONST_ADDRESS, EXPAND_SUM, or EXPAND_INITIALIZER. + * tree.c (staticp, case COMPONENT_REF, BIT_FIELD_REF): Not + static if bitfield. + + * expr.c (expand_expr, case COMPONENT_REF): If taking value + from a CONSTRUCTOR, must mask/sign-extend if bitfield. + (expand_builtin, case BUILT_IN_LONGJMP): Pass type, not IDENTIFIER, + to second arg of RETURN_POPS_ARGS. + + * expr.c (expand_expr, case COND_EXPR): Add additional cases + to "singleton" cases. + * tree.c (integer_pow2): Mask value to width of type. + (tree_log2): New function. + + * expmed.c (store_fixed_bit_field): If not SLOW_UNALIGNED_ACCESS, + treat everything as maximally aligned. + + * combine.c (find_split_point, case SET): If SET_SRC is NE and + STORE_FLAG_VALUE is -1, see if we can convert into NEG of shift. + (force_to_mode, case NE): Make condition stricter. + + * calls.c (emit_library_call_value): Remove redundant check for + outmode != VOIDmode. + +Sat Jan 4 08:12:16 1997 J.T. Conklin <jtc@rhino.cygnus.com> + + * Optimizations from John Vickers (john@rhizik.demon.co.uk): + * m68k.c (output_function_{pro,epi}logue): Use addq/subq when + adjusting stack pointer by small displacements. + * m68k.md (addsi3, addhi3): Use two addqw (or subqw) insns when + adding (or subtracting) small integer constants (8 < N <= 16) to + both address and data registers. + +Sat Jan 4 07:06:07 1997 Kamil Iskra <iskra@student.uci.agh.edu.pl> + + * loop.c (basic_induction_var): Return 0 if SUBREG is not a + promoted variable. + +Sat Jan 4 06:22:36 1997 Doug Rupp (rupp@gnat.com) + + * alpha.c (vmskrunch): Try to not chop trailing uppercase letters. + * alpha/vms.h (ENDFILE_SPEC): Use "gnu", not "gnu_cc". + + * cccp.c (PRINTF_PROTO): Use __printf__ in __attribute__, not printf. + * cexp.y (PRINTF_PROTO): Likewise. + +Fri Jan 3 09:01:00 1997 Craig Burley <burley@gnu.ai.mit.edu> + + * alpha.md (cmov): Fix operand numbers in case involving DF target, + DF comparison, and SF source. + +Fri Jan 3 08:19:46 1997 Paul Eggert <eggert@twinsun.com> + + * cpplib.c (macroexpand): Delete any no-reexpansion marker following + identifier at beginning of an argu concatenated with what precedes it. + +Fri Jan 3 07:59:21 1997 Ken Rose (rose@netcom.com) + + * reorg.c (fill_slots_from_thread): Skip moved insn in all three cases. + +Fri Jan 3 07:51:44 1997 Bob Manson <manson@cygnus.com> + + * function.c ({push,pop}_function_context_to): Save and restore + current_function_args_info. + * function.h (struct function): New field args_info. + +Fri Jan 3 06:55:09 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * jump.c (rtx_equal_for_thread_p): Return 0 for floating-point. + + * reload.c (find_reloads): If replaced a PLUS or MULT with a + simple operand, start over again. + + * va-alpha.h: Check for __VMS__, not VMS. + +Thu Jan 2 08:52:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure: Finish restoring change of default of objc threads to + "single" for Linux-based GNU systems. + +Mon Dec 30 17:03:46 1996 Jeffrey A Law (law@cygnus.com) + + * pa.c (fmpy_operands): Remove. No longer needed. + (combinable_add, combinable_copy, combinable_fmpy): Likewise. + (combinable_fadd, combineable_fsub): Likewise. + (pa_reorg): Call pa_combine_instructions. + (pa_combine_instructions): Combine instructions to make things + like fmpyadd and fmpysub. + (pa_can_combine_p): Helper function for pa_combine_instructions. + * pa.md (pa_combine_type): New attribute. Set it appropriately + for various insns. + (define_delays): Use a separate define_delay for unconditional + branches. + (fmpyadd, fmpysub peepholes): Remove, no longer needed. + (fmpyadd, fmpysub insns): Add variant with fadd/fsub first, + then the fmpy. + +Mon Dec 30 14:43:51 1996 Jim Wilson <wilson@cygnus.com> + + * reg-stack.c (subst_stack_regs_pat): Set src_note explicitly, instead + of using invalid aggregate initialization. + + * print-tree.c (print_node): Don't try to print nonexistent + TYPE_ATTRIBUTES field of a decl node. + +Mon Dec 30 10:30:25 1996 Richard Stallman <rms@ethanol.gnu.ai.mit.edu> + + * config.sub: Handle hiuxmpp as system type. + +Thu Dec 26 13:33:27 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (init_v4_pic): Explicitly set the length. + +Mon Dec 23 19:39:38 1996 Jim Wilson <wilson@cygnus.com> + + * mips.h (FUNCTION_ARG_REGNO_P): Correct for TARGET_SOFT_FLOAT and + TARGET_FLOAT64 cases. + + * integrate.c (function_cannot_inline_p): Reject function with + PARALLEL result. + (expand_inline_function): Abort if function result not handled. + +Sat Dec 21 04:02:46 1996 Jason Merrill <jason@gerbil.cygnus.com> + + * mips.c (save_restore_insns): Mark large frame setup insns + as frame-related. + (mips_expand_prologue): Likewise. + + * dwarf2out.c (dwarf2out_frame_debug): Support MIPS large frames. + (add_bound_info): Use default lower bounds. + Handle simple variable bounds with a DIE ref. + Don't generate a NULL loc descr. + (add_subscript_info): Always add lower bound. + (gen_formal_parameter_die): Always equate_decl_number_to_die. + (gen_variable_die): Likewise. Don't use the old die for automatic + variables. + +Wed Dec 18 10:23:46 1996 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (notice_update_cc): Enable this code. + * mn10300.h (CC_OVERFLOW_UNUSABLE): Define. + * mn10300.md (tstsi): Use "set_zn_c0" instead of "set" for cc status. + (addsi3 pattern): Break "inc" into two different alternatives + since "inc dn" sets cc0, but "inc an" does not. + (multiply and divide patterns): Fix cc status. + (bCC, inverted bCC): Restore any comparison which needs the + overflow bits when CC_OVERFLOW_UNUSABLE is set. + (zero and sign extensions): Fix cc status. + (movm_store): Likewise. + +Tue Dec 17 15:02:44 1996 Jim Wilson <wilson@cygnus.com> + + * sched.c (update_flow_info): When add REG_DEAD notes for dest of + last insn, add check for global_regs. + +Tue Dec 17 11:07:26 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/win-nt.h (HAS_INIT_SECTION): Delete, so that __main is + called from main. + +Mon Dec 16 15:28:44 1996 Jim Wilson <wilson@cygnus.com> + + * combine.c (nonzero_bits): Ifdef out calls to num_sign_bit_copies. + Add dummy define/undef for num_sign_bit_copies. + + * dwarfout.c (location_or_const_value_attribute, case CONCAT): Add. + + * combine.c (simplify_comparison): Use mode_width as shift count + only if it is less than or equal to HOST_BITS_PER_WIDE_INT. + +Mon Dec 16 10:10:11 1996 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (expand_epilogue): Restore registers in the + "ret" instruction instead of a separate movm instruction. + Support possible stack deallocation in "ret" instruction too. + * mn10300.md (return_internal): Use "ret" instead of "rets"; + restore registers and deallocate stack as needed. + (load_movm): Delete unused pattern. + + * mn10300.h (SMALL_REGISTER_CLASSES): Define. + +Fri Dec 13 14:46:54 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (dect): Rewrite pattern so that it can be combined. + +Fri Dec 13 13:14:51 1996 Ian Lance Taylor <ian@cygnus.com> + + * varasm.c (output_constant_pool): If ASM_OUTPUT_POOL_EPILOGUE is + defined, call it. + +Thu Dec 12 20:04:55 1996 Jason Merrill <jason@yorick.cygnus.com> + + * rtl.h (RTX_FRAME_RELATED_P): New macro. + (struct rtx_def): Add frame_related bitfield. + * final.c (final_scan_insn): Call dwarf2out_frame_debug. + Don't call dwarf2out_begin_function. + (final): Initialize dwarf2out_frame_debug. + * dwarf2out.c (dwarf2out_begin_function): Remove. + (dwarf2out_init): Use INCOMING_RETURN_ADDR_RTX. + (DWARF_CIE_DATA_ALIGNMENT): Generalize. + (DWARF_FRAME_REGNUM): Don't add 1. + (decode_cfi_rtl): Lose. + (dwarf2out_def_cfa): Now takes reg and offset directly. + (reg_save): Likewise. + (dwarf2out_reg_save): Now takes offset. + (initial_return_save): Grok INCOMING_RETURN_ADDR_RTX. + Replaces dwarf2out_return_save. + (dwarf2out_cfi_label): New fn. + (add_fde_cfi): Use it. + (dwarf2out_frame_debug): New fn. + * mips.h (DWARF_FRAME_REGNUM): Tweak r31. + (INCOMING_RETURN_ADDR_RTX): Define. + * mips.c (mips_expand_prologue): Set RTX_FRAME_RELATED_P as needed. + (save_restore_insns): Likewise. + * i386.c (ix86_expand_prologue): Likewise. + * i386.h (INCOMING_RETURN_ADDR_RTX): Define. + (DWARF_FRAME_RETURN_COLUMN): Define. + + * dwarf2out.c (add_AT_long_long): Renamed from add_AT_double fo + clarity. + (print_die): Adjust. + (add_AT_float): New fn. + (add_const_value_attribute): Support fp values. + (size_of_die): Use blocks for long_long and fp values. + (value_format, output_die): Likewise. + (output_loc_operands): Don't support DW_OP_const8?. + +Thu Dec 12 19:49:09 1996 Ian Lance Taylor <ian@cygnus.com> + + * varasm.c (CONSTANT_POOL_BEFORE_FUNCTION): Define if not + defined. + (assemble_start_function): Check CONSTANT_POOL_BEFORE_FUNCTION + to decide whether to call output_constant_pool. + (assemble_end_function): Likewise. + + * calls.c: Check SMALL_REGISTER_CLASSES at run time, not just + compile time. + * combine.c, cse.c, function.c, jump.c, local-alloc.c: Likewise. + * loop.c, reload.c, reload1.c: Likewise. + * dsp16xx.h (SMALL_REGISTER_CLASSES): Define with value. + * h8300.h (SMALL_REGISTER_CLASSES): Likewise. + * i386.h (SMALL_REGISTER_CLASSES): Likewise. + * pdp11.h (SMALL_REGISTER_CLASSES): Likewise. + * sh.h (SMALL_REGISTER_CLASSES): Likewise. + +Thu Dec 12 15:25:39 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (sysv call insns): If flag_pic add @plt suffix. + + * rs6000.md (fix_truncdfsi2_store): Fix offsets > 32k. + + * rs6000/t-ppccomm: New file for common parts of embedded and + System V target Makefile support. + + * rs6000/t-ppcos: New file for System V OS target Makefile + support. + + * rs6000/t-solaris: Delete, merge into rs6000/t-ppcos. + + * rs6000/t-{ppc,ppcgas}: Only keep the multilib specific parts, + moving the rest to rs6000/t-ppccomm. + + * configure (powerpc*-*-*): For embedded and System V + configurations, add rs6000/t-ppccomm. + For GNU/Linux and Solaris, use t-ppcos. + + * ginclude/ppc-asm.h (cr*, f*): Add new macros for register names. + + * rs6000/sol-c0.c (_start): Fix uninitialized data bug. + + * rs6000.md (init_v4_pic): Add @local to call. + (icbi,dcbst,sync,isync): Delete PowerPC cache control insns. + + * rs6000/sysv4.h (ASM_SPEC): On explicit -mcall-solaris, pass + -msolaris to the assembler. + + * rs6000.c (rs6000_sync_trampoline): Delete. + (rs6000_trampoline_template): Aix & System V don't need template now. + (rs6000_initialize_trampoline): For System V, call the function + __trampoline_setup to set up the trampoline. + + * rs6000.h (TRAMPOLINE_TEMPLATE): Delete here. + * rs6000/win-nt.h (TRAMPOLINE_TEMPLATE): Add it here. + + * rs6000/tramp.asm: New file, setup trampolines properly on System + V systems, properly flushing the caches. + +Thu Dec 12 10:53:10 1996 Jeffrey A Law (law@cygnus.com) + + * reorg.c (fill_slots_from_thread): Don't call eligible_for_delay + with an insn with asm operands. + + * expmed.c (emit_store_flag_force): Fix typos/thinkos. + +Thu Dec 12 08:09:20 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * i386.c (i386_return_pops_args): Libcalls ignore TARGET_RTD. + +Thu Dec 12 07:56:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.h (maybe_get_identifier): New declaration. + + * calls.c (emit_library_call): Don't pass VOIDmode to type_for_mode. + + * va-alpha.h: Add definitions for VMS; they differ from Unix. + + * Makefile.in (stamp-objlist): Handle first character of object + file being a digit. + + * 1750a.h (function_arg, {movcnt,mod}_regno_adjust): Add decls. + (branch_or_jump): Likewise. + (FUNCTION_ARG): Remove cast of function_arg result to rtx. + * 1750a.md: Remove unneeded casts to char *. + +Thu Dec 12 05:55:27 1996 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.c (arm_gen_constant, case [IX]OR): Don't invert constant if + loading into temporary. + +Wed Dec 11 18:57:21 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * toplev.c (rest_of_compilation): Make sure unwinder RTL is saved. + + * collect2.c (write_c_file): Wrap the ctor/dtor lists and fns + with `extern "C" { ... }'. + +Wed Dec 11 17:46:48 1996 John F. Carr <jfc@mit.edu> + + * tree.h (tree_decl): Reorder field declarations to reduce size + on 64 bit machines. + + * combine.c (try_combine): When splitting an insn, check for the + new I2 setting a SUBREG. + +Wed Dec 11 17:00:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of + using "%ld". + (output_prolog): Don't print useless comment for VMS. + + * alpha.c (output_prolog): SIZE is now HOST_WIDE_INT. + * alpha.md (mov[hq]i unnamed): Split up for TARGET_BYTE_OPS and not. + + * function.c (fixup_var_refs_1, case ZERO_EXTRACT): Don't call + fixup_memory_subreg if no longer SUBREG of MEM. + +Wed Dec 11 14:10:48 1996 Jeffrey A Law (law@cygnus.com) + + * mn10300.c: New file for Matsushita MN10300 port. + * mn10300.h, mn10300.md, t-mn10300, xm-mn10300.h: Likewise. + * config.sub: Recognize mn10300 as a basic machine type. + * configure: Similarly. + * ginclude/stdarg.h: mn10300 is little endian. + * ginclude/varargs.h: Likewise. + +Wed Dec 11 09:09:10 1996 Nagai Takayuki <nagai@ics.es.osaka-u.ac.jp> + + * libgcc2.c (cacheflush): Add SONY NEWS-OS 4.2 version. + +Wed Dec 11 09:01:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * calls.c (emit_library_call, emit_library_call_value): + Don't pass an identifier node as function type for + library functions, but rather build a function type that + has a return type with the correct mode. + * i386.c (i386_return_pops_args): Don't test for IDENTIFIER_NODE. + * i386/isc.h (obsolete RETURN_POPS_ARGS): Test first argument + for IDENTIFIER_NODE. + * i386/next.h (RETURN_POPS_ARGS): Likewise. + * i386/sco.h (RETURN_POPS_ARGS): Likewise. + * i386/sco5.h (RETURN_POPS_ARGS): Likewise. + * i386/scodbx.h (RETURN_POPS_ARGS): Likewise. + * m68k.h (RETURN_POPS_ARGS): Likewise. + * ns32k.h (RETURN_POPS_ARGS): Likewise. + * pyr.h (RETURN_POPS_ARGS): Likewise. + * gmicro.h (RETURN_POPS_ARGS): Likewise; fix typo. + +Tue Dec 10 17:36:47 1996 J.T. Conklin <jtc@rhino.cygnus.com> + + * Add optimizations from John Vickers (john@rhizik.demon.co.uk) + * m68k.h (TARGET_CPU32): New macro. + * m68k.md (add[hs]i3): Only use two addq.w or subq.w instructions + when adding or subtracting constants 8 < N < 16 on TARGET_CPU32. + Use lea instead of add.w when adding 16 bit constants to address + registers on all but TARGET_68040. + * m68k.c (output_function_{pro,epi}logue): Use lea instead of add.w + when adjusting stack pointer on all but TARGET_68040. + +Tue Dec 10 15:55:23 1996 Ian Lance Taylor <ian@cygnus.com> + + * optabs.c (emit_unop_insn): Treat ZERO_EXTEND like SIGN_EXTEND. + +Tue Dec 10 13:47:24 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * combine.c (combinable_i3pat): Bring back to sync with can_combine_p. + + * sh.h (ADJUST_INSN_LENGTH): Don't break from loop when LOOP_BEG found. + Calculate padding in new variable pad. + +Mon Dec 9 18:00:38 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (output_uleb128): Output value in human-readable comment. + (output_sleb128): Likewise. + (various): Adjust. + (output_call_frame_info): Only output info if it's interesting. + (add_src_coords_attributes): New fn. + (add_name_and_src_coords_attributes): Split out from here. + (gen_enumeration_type_die): Add src coordinates. + (gen_struct_or_union_type_die): Likewise. + (dwarf2out_finish): Call output_call_frame_info for all targets. + +Thu Dec 5 11:25:30 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (add_pure_or_virtual_attribute): Only add + AT_containing_type if -g2 or higher. + + * dwarf2out.c (gen_struct_or_union_type_die): Make sure that + the type for AT_containing_type has been generated. + (gen_decl_die): Likewise. + + * dwarf2out.c (type_tag): Check DECL_IGNORED_P. + (add_pure_or_virtual_attribute): Check DECL_VINDEX instead. + (scope_die_for): Likewise. + * dwarfout.c (type_tag): Likewise. + +Wed Dec 4 22:51:38 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (decode_cfi_rtl): Support getting a CONST_INT. + (dwarf2out_begin_function): Adjust. + (reg_save): Divide offset by the alignment. + (output_cfi): Support having more than one advance_loc. + (output_call_frame_info): Re-initialize current_label. + (dwarf2out_begin_prologue): Initialize current_label to NULL. + (lookup_cfa, lookup_cfa_1): New fns. + (dwarf2out_def_cfa): Call lookup_cfa. + (dwarf2out_finish): Don't generate CIE CFIs. + (dwarf2out_init): Generate them here. + (DWARF_FRAME_RETURN_COLUMN): Use PC_REGNUM. + + (add_pure_or_virtual_attribute): Note virtual context. + (gen_formal_parameter_die): Return the die. + (gen_formal_types_die): Set AT_artificial on `this'. + (gen_subprogram_die): Add AT_accessibility. + (gen_variable_die): Likewise. + (gen_field_die): Likewise. Don't generate location attribute for + union members. + (gen_struct_or_union_type_die): Note where our vtable lives. + (gen_decl_die): Handle anonymous union fields. + (dwarf2out_decl): Always output `bool'. + +Mon Dec 2 03:55:15 1996 Jason Merrill <jason@yorick.cygnus.com> + + * final.c (final_end_function): Don't call dwarf2out_end_function. + + * dwarf2out.c (output_line_info): Emit special opcodes for each line + entry, even if the line number doesn't change. + (pend_type, output_pending_types_for_scope): New fns. + (gen_struct_or_union_type_die): Use them to defer generating member + dies if we're in the middle of some other context. + (gen_type_die): Still put nested types in the right place. + (dwarf2out_decl): Call output_pending_types_for_scope. + + * dwarf2out.c (dw_fde_struct): Replace end_prologue, begin_epilogue + with current_label. + (DWARF_CIE_INSN_SIZE, DWARF_CIE_SIZE): Remove. + (DWARF_CIE_HEADER_SIZE): The size without the initial insns. + (size_of_cfi): Revert. + (decode_cfi_rtl, add_fde_cfi, dwarf2out_def_cfa, reg_save, + dwarf2out_reg_save, dwarf2out_return_save): New fns. + (dwarf2out_begin_function): Use them to generate CFIs. + (dwarf2out_finish): Use them to generate E CFIs. + Don't set next_fde_offset. + (calc_fde_sizes): Initialize cie_size. + (output_call_frame_info): Don't generate CIE CFIs. + (dwarf2out_end_function): Remove. + + * tree.c (maybe_get_identifier): New fn. + * varasm.c (assemble_name): Use it instead of get_identifier. + +Fri Nov 29 15:13:39 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * jump.c (jump_optimize): Don't move initialization if there is a + label between it and the jump for if (foo) bar++ to bar += (foo !=0) + +Wed Nov 27 16:21:14 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * Remove change of Oct 4. + * i386.h (outer_function_chain): Remove. + (current_function_calls_alloca): Remove. + (rtx_equal_function_value_matters): Remove. + (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Remove. + * i386.md (adddi3_1, subdi3_1): Remove. + (adddi3, subdi3): Revert. + (movsf, movsf_mem, movsf_normal, movdf, movdf_mem, movdf_mem+1): + Likewise. + (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise. + (adddi3_1, subsidi3, subdi3_1): Likewise. + (addsidi3_1, addsidi3_2, subsidi3): Likewise. + (addsidi3_1, addsidi3_2, adddi3, subsidi3): Disable the problem + reload alternatives. + +Wed Nov 27 16:21:14 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * i386.md (ashldi3_non_const_int, ashrdi3_non_const_int): + Use a hidden branch to handle shifts > 32 bit. + (lshrdi3_non_const_int): Likewise. + (floatdixf2): Don't use unnecessary XFmode operation. + +Wed Nov 27 15:23:41 1996 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (assemble_variable): Don't emit DWARF. + + * toplev.c (rest_of_type_compilation): Don't emit DWARF. + (main): Just let -gdwarf mean DWARF v1; remove -gdwarf-1. + + * dwarfout.c (decl_class_context): New fn. + (output_global_subroutine_die): Fix declaration case. + (output_global_variable_die): Likewise. + (output_type): Note when we are in a class defn. If we're a nested + type and our context hasn't been written, do that. Do early exit + for nested types. + (output_decl): Output the class context for fns and vars. + Don't emit detailed parm info for a fn declaration. + Use TYPE_DECL_IS_STUB, is_redundant_typedef. + (type_ok_for_scope): Support emitting nested types later. + (is_redundant_typedef): New fn. + (TYPE_DECL_IS_STUB): New macro. + (output_compile_unit_die): Check use_gnu_debug_info_extensions. + (output_local_subroutine_die, output_global_subroutine_die, + dwarfout_begin_function, dwarfout_end_function, dwarfout_line, + generate_macinfo_entry, dwarfout_init, dwarfout_finish): Likewise. + + * dwarf2out.c (decl_class_context): Static. + (lookup_type_die): Use TYPE_SYMTAB_POINTER. + (equate_type_number_to_die): Likewise. + (gen_subprogram_die): If we're in class context, it's a decl. + (gen_variable_die): Likewise. + (gen_decl_die): Output the containing type. + (dwarf2out_init): Lose type_die_table code. + +Wed Nov 27 08:30:54 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * Makefile.in (DRIVER_DEFINES): New macro, with the macro + definitions for the driver. + (gcc.o): Make rule use $(DRIVER_DEFINES). + * gcc.c (process_command) [LANG_SPECIFIC_DRIVER]: Call + lang_specific_driver, passing along the addr of FATAL for errors + along with our ARGC and ARGV. + +Wed Nov 27 08:21:13 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k.md (iorsi_zexthi_ashl16): New pattern. + (ashrsi_16): New name for old unnamed pattern. + + * objc/misc.c (stdlib.h): Define __USE_FIXED_PROTOTYPES__ before + including stdlib.h. + +Wed Nov 27 08:17:34 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * i386.md (decrement_and_branch_until_zero+[3-8]): Add missing + CC_STATUS_INIT. + (decrement_and_branch_until_zero+[5-8]): Delete redundant assignment. + +Wed Nov 27 07:56:27 1996 J.T. Conklin <jtc@rhino.cygnus.com> + + * m68k.md ({and,ior,xor}si3_internal): Removed !TARGET_5200 from + conditionals now that entire insn is disabled when !TARGET_5200. + +Wed Nov 27 07:52:32 1996 Oliver Kellogg <kellogg@space.otn.dasa.de> + + * 1750a.md (movhi pattern): Fixed MEM to MEM move problem. + +Tue Nov 26 14:50:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (move_by_pieces): Abort only if length positive at end. + * function.c (frame_offset, get_frame_size): Make HOST_WIDE_INT. + * function.h (struct function): Make frame_offset be HOST_WIDE_INT. + (get_frame_size): Add definition. + * reload1.c (reload): Make starting_frame_size be HOST_WIDE_INT. + +Mon Nov 25 16:55:14 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (dwarf2out_finish): Don't emit call frame info + for non-MIPS targets. + (is_redundant_typedef): New fn. + (modified_type_die): Refer to typedef DIEs where appropriate. + (gen_typedef_die): Support DECL_ORIGINAL_TYPE. + (gen_type_die): Likewise. Use is_redundant_typedef. + (gen_subprogram_die): Don't force a spec DIE for local class methods. + +Mon Nov 25 15:09:12 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (handle_braces): Rework last change. + +Mon Nov 25 13:49:51 1996 Jim Wilson <wilson@cygnus.com> + + * configure (build_exeext, exeext): New variables. Use sed to insert + build_exeext value into Makefile exeext rule. + (*-*-cygwin32): Set exeext. + * i386/x-cygwin32 (exeext): Delete. + * rs6000/x-cygwin32 (exeext): Delete. + + * dwarf.h (enum dwarf_location_atom): Add OP_MULT. + * dwarfout.c (output_mem_loc_descriptor, case MULT): Add. + * dwarfout2.c (mem_loc_descriptor, case MULT): Add. + + * dwarfout.c (dwarf_fund_type_name, case FT_unsigned_int64): Fix typo. + +Sun Nov 24 21:42:01 1996 J.T. Conklin <jtc@rhino.cygnus.com> + + * m68k.md (andsi3): Changed into define_expand. + (andsi3_internal): Rename from old andsi3, changed condition + to !TARGET_5200. + (andsi2_5200): New insn. + (iorsi3): Change into define_expand. + (iorsi2_internal): Rename from old iorsi3, changed condition + to !TARGET_5200. + (iorsi2_5200): New insn. + (xorsi3): Change into define_expand. + (xorsi2_internal): Rename from old xorsi3, changed condition + to !TARGET_5200. + (xorsi2_5200): New insn. + +Sun Nov 24 21:31:32 1996 John F. Carr <jfc@mit.edu> + + * i386.h (N_ALLOCATABLE_REGISTERS): Remove extra backslash at + end of macro definition. + + * cpplib.c (LOCAL_INCLUDE_DIR): Remove default definition. + (include_defaults_array): Do not use LOCAL_INCLUDE_DIR or + TOOL_INCLUDE_DIR if they are not defined. + * cccp.c: Likewise. + + * Makefile.in (cppmain.o): New rule. + +Sun Nov 24 19:14:50 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * fold-const.c (merge_ranges): In (+,-) case, if lower bounds are + the same the result is always false. + +Sun Nov 24 18:48:31 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-typeck.c (build_indirect_ref): Don't give warning for + dereferencing void * if evaluation is being skipped. + + * c-decl.c (poplevel): Don't call output_inline_function if + DECL_SAVED_INSNS is not set. + + * gcc.c (give_switch): Add new arg, INCLUDE_BLANKS. + (handle_braces): All callers changed. + Add support for new construct: %{S*^}. + +Sun Nov 24 18:44:48 1996 Paul Eggert <eggert@twinsun.com> + + * c-parse.in (unary_expr, expr_no_commas): Increment skip_evaluation + when analyzing an expression that is known not to be evaluated. + (sizeof, alignof): New rules. + * c-tree.h (skip_evaluation): New variable. + * c-common.c (skip_evaluation): Likewise. + (overflow_warning, unsigned_conversion_warning): Don't warn about + potential runtime errors when skipping evaluation. + * c-typeck.c (build_binary_op): Likewise. + (build_conditional_expr): op1 now always nonnull. + +Sun Nov 24 17:06:58 1996 Bernd Schmidt (crux@Pool.Informatik.RWTH-Aachen.DE) + + * toplev.c (rest_of_compilation): Call regscan before each + jump threading pass. + +Sun Nov 24 16:37:18 1996 Dave Love <d.love@dl.ac.uk> + + * configure (objc_thread_file): Set conditionally in each case so + may be overridden with `--enable-objcthreads=posix'. + Change GNU/Linux default to `single'. + +Fri Nov 22 17:53:15 1996 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (assemble_variable): Output DWARF in the third case, too. + + * dwarf2out.c (decls_for_scope): Only add DIEs with no parents to + our scope. + (gen_subroutine_type_die): Parm types go under the fn type DIE. + + * Makefile.in ($(T)crt{begin,end}.o): Move CRTSTUFF_T_CFLAGS after + general flags. + + * mips/t-iris6 (CRTSTUFF_T_CFLAGS): Define. + * mips.c (compute_frame_size): Fix fp_save_offset. + + * dwarf2out.c (new_die): If we get a NULL parent, inc limbo_die_count. + (decls_for_scope): Decrement limbo_die_count as appropriate. + (dwarf2out_finish): Check for good limbo_die_count. + (size_of_cfi): If regno too big for DW_CFA_offset, use offset_extended + instead. + (output_call_frame_info): Add disabled code for specifying ABI. + (dwarf2out_begin_function): Note all saved regs. + + * dwarf2out.c (gen_subprogram_die): Have a DIE for each fn at + toplevel. + (scope_die_for): Only use the NULL for fns and tags. + +Tue Nov 21 15:53:51 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * sh.c (output_stack_adjust): New argument TEMP. Changed all callers. + If the adjust cannot be done with one, but can be done with two + CONST_OK_FOR_I constants, do it that way. + +Thu Nov 21 14:25:55 1996 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Include <stdio.h> in <assert.h> even if not C++ if + stderr needs to be defined. + +Wed Nov 20 15:38:13 1996 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (rest_of_type_compilation): Do output function-scope tags + for DWARF 2. + * c-decl.c (pushtag): Set TYPE_CONTEXT on the tag. + * toplev.c, varasm.c: s/dwarf2out_file_scope_decl/dwarf2out_decl/g. + * dwarf2out.c (add_prototyped_attribute): Use a value of 1. + (gen_subprogram_die): Support AT_static_link. + (dwarf2out_decl): Rename from dwarf2out_file_scope_decl. + Give nested fns and tags a die_parent of NULL. + (decls_for_scope): Fix the die_parent for nested fns and tags. + (scope_die_for): If we get a context of NULL, just return it. + +Tue Nov 19 18:21:11 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (gen_subprogram_die): Support block extern decls. + (gen_variable_die): Likewise. + (gen_decl_die): Emit block extern function decls. + + * c-decl.c (implicitly_declare): Set DECL_ARTIFICIAL. + +Tue Nov 19 16:50:32 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure (powerpc*-{sysv,elf,eabi{,aix,sim}}): Set + extra_headers to ppc-asm.h. + (powerpc*-{linux,solaris,rtems,vxworks}): Likewise. + (powerpc*-{winnt,pe,cygwin32}): Likewise. + + * rs6000/t-{ppc,ppcgas,solaris,winnt} (EXTRA_HEADERS): Don't set here. + +Mon Nov 18 14:51:46 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (DWARF_CIE_INSN_SIZE): New macro. + (DWARF_CIE_HEADER_SIZE): Use it. + (DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM): New macros. + (output_call_frame_info, dwarf2out_begin_function): Use them. + For the MIPS, output the first CFA insn in the CIE. + * dwarf2.h (enum dwarf_call_reg_usage): Lose. + (dwarf_macinfo_record_type): Fix spelling. + * mips/mips.h (DWARF_FRAME_REGNUM, DWARF_FRAME_RETURN_COLUMN): Define. + + * dwarf2out.c (base_type_die): Just generate the DIEs as needed, + rather than building up some table. + (init_base_type_table): Lose. + (add_subscript_info): Use add_type_attribute. Don't give an upper + bound for an array of unknown size. + (gen_unspecified_parameters_die): Remove DWARF-1 kludge. + (dwarf2out_init): Lose call to init_base_type_table. + (is_c_family, is_fortran): New fns. + (gen_compile_unit_die): Recognize GNU F77. + (gen_array_type_die): Use AT_declaration for an array of unknown size. + (modified_type_die): Take TYPE_MAIN_VARIANT before passing it + to build_type_variant, so we ignore named variants. + (dwarf2out_file_scope_decl): Don't generate DIEs for built-in structs, + either; they will be emitted if they are used. + From wilson: + (gen_array_type_die): Force the element type out first on IRIX 6. + +Sun Nov 17 20:23:11 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (get_inner_reference): Fix error in previous change. + +Sat Nov 16 06:08:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (operand_subword): Avoid confusion if sizeof (float) + is less than a full word. + + * alpha.h (MASK_BYTE_OPS): Now define as 1024. + * alpha/vms.h (TARGET_DEFAULT): Use symbolic values. + + * expr.c (get_inner_reference): Add new arg PALIGNMENT and compute it. + (expand_assignment, do_jump): Pass new arg to get_inner_reference. + (expand_expr, case COMPONENT_REF): Likewise. + * fold-const.c (optimize_bit_field_compare, decode_field_reference): + Likewise. + * tree.h (get_inner_reference): Add new arg. + + * Add support for Alpha/VMS, mostly from + Klaus Kaempf (kkaempf@progis.de) + * configure (alpha-dec-vms*): New target. + * alpha.c (override_options): Handle VAX format floating-point. + (print_operand, case ',', '-'): New cases. + (alpha_builtin_saveregs): Handle VMS convention. + (alpha_sa_{mask,size}, alpha_pv_save_size, alpha_using_fp): + New versions for VMS. + (output_{pro,epi}logue, function_arg): Likewise. + (direct_return): Never true on VMS. + (check_float_value): Return 0 for VMS. + (vmskrunch, alpha_{need,write}_linkage): New function. + * alpha.h ({MASK,TARGET}_{OPEN_VMS,FLOAT_VAX}): New macros. + (TARGET_SWITCHES): Add float-vax and float-ieee. + ({FUNCTION,LIBCALL}_VALUE, FUNCTION_VALUE_REGNO_P): R1 and R33 + are also return registers. + (ASM_OUTPUT_DOUBLE): Support both floating-point formats. + (PRINT_OPERAND_FUNCT_VALID_P): Add ',' and '-'. + * alpha.md ({div,mod}[sd]i3): Only for VMS. + (fp operations): Add modifiers for multiple floating-point formats. + (call patterns): Handle new calling sequence for VMS. + (tablejump): Make new pattern for VMS. + (nonlocal_goto_receiver, arg_home): New patterns. + * alpha/t-vms, alpha/vms.h, alpha/xm-vms.h: New files. + +Fri Nov 15 17:38:20 1996 Doug Evans <dje@seba.cygnus.com> + + * sdbout.c (current_file): New global. + (PUT_SDB_SRC_FILE): New PUT_SDB_FOO macro. + (sdbout_init): Initialize current_file ifdef MIPS_DEBUGGING_INFO. + (sdbout_{start_new,resume_previous}_source_file): New functions. + * toplev.c (debug_{start,end}_source_file): Call them if SDB_DEBUG. + * mips.h (PUT_SDB_SRC_FILE): Define. + +Fri Nov 15 16:11:25 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarfout.c (dwarfout_line): Don't emit line number info for + functions outside of .text. + +Fri Nov 15 15:52:42 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386/386bsd.h (COMMENT_BEGIN): Delete. + * i386/freebsd.h (COMMENT_BEGIN): Likewise. + * i386/netbsd.h (COMMENT_BEGIN): Likewise. + * i386/unix.h (COMMENT_BEGIN): Likewise. + +Fri Nov 15 13:22:42 1996 Jim Wilson <wilson@cygnus.com> + + * fold-const.c (unextend): Rewrite type conversions to avoid overflow. + +Fri Nov 15 12:11:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (try_combine): Properly copy an rtvec. + * emit-rtl.c (gen_rtvec_vv): New function. + (copy_rtx_if_shared): Call it. + * integrate.c (copy_for_inline): Likewise. + * reload1.c (eliminate_regs): Likewise. + * rtl.h (gen_rtvec_vv): Declare. + * genattrtab.c (simplify_cond): Make TESTS an array of rtunions. + * genextract.c (main): Use loop, not bcopy, to set recog_operands + from an rtvec. + * rtl.c (rtvec_alloc): Clear rtwint instead of rtvec. + + * machmode.h (HOST_PTR_PRINTF): Handle char * wider than long. + (HOST_WIDE_INT_PRINT_{DEC,UNSIGNED,HEX,DOUBLE_HEX}): New macros. + * final.c (asm_fprintf): Use "ll" prefix for a long long HOST_WIDE_INT. + (output_{asm_insn,addr_const}): Use HOST_WIDE_INT_PRINT_*. + * print-tree.c (print_node{,_brief}, case INTEGER_CST): Likewise. + * print-rtl.c (print_rtx, case 'w'): Use HOST_WIDE_INT_PRINT_DEC. + + * unroll.c (iteration_info): Fix code so that it knows iteration_var + is a HOST_WIDE_INT, not a long. + + * fold-const.c (operand_equal_p): Do comparison with REAL_VALUES_EQUAL. + (make_range): Properly decide when to get TREE_TYPE of arg0. + Handle EXP being an INTEGER_CST at end. + (fold_range_test): Handle return of 0 from make_range. + (fold, case TRUTH_AND_EXPR): Handle first arg of 0. + (fold, case TRUTH_OR_EXPR): Handle first arg of 1. + + * c-common.c (decl_attributes, case A_ALIAS): Add missing parens. + +Fri Nov 15 06:37:54 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * fold-const.c (range_binop): Set SNG1 to zero if ARG1 is a + not a lower or upper bound. + +Thu Nov 14 23:08:25 1996 Jason Merrill <jason@yorick.cygnus.com> + + * flags.h (debug_info_type): Add DWARF2_DEBUG. + * toplev.c (main): Support DWARF2_DEBUG. Add -gdwarf-1, -gdwarf-2 + options. Check debug level after choosing type. + (debug_{start,end}_source_file, debug_{define,undef}): New functions. + (compile_file): Support dwarf2 separately from dwarf1. + (rest_of_type_compilation, rest_of_compilation): Likewise. + * final.c (final_start_function): Likewise. + (final_end_function, final_scan_insn, output_source_line): Likewise. + * varasm.c (assemble_variable): Likewise. + * dwarfout.c: Don't check DWARF_VERSION. + * dwarf2out.c: s/dwarfout/dwarf2out/g. Check DWARF2_DEBUGGING_INFO. + * c-lex.c (check_newline): Use debug_* instead of calling *out + functions directly. + * svr4.h (DWARF2_DEBUGGING_INFO): Define. + * mips/iris6.h (PREFERRED_DEBUGGING_TYPE): DWARF2_DEBUG. + (DWARF2_DEBUGGING_INFO): Define instead of DWARF_DEBUGGING_INFO. + (LINK_SPEC): Pass -w through. + * mips.h (PREFERRED_DEBUGGING_TYPE): Don't check `len'. + +Thu Nov 14 17:25:47 1996 Jeffrey A Law (law@cygnus.com) + + * h8300.c (dosize): Don't clobber static chain reg if needed by + current function. + +Wed Nov 13 17:05:19 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (stage?-start): Keep a copy of EXTRA_MULTILIB_PARTS + in the build directory. + +Tue Nov 12 23:17:17 1996 Jeffrey A Law (law@cygnus.com) + + * pa.c (print_operand, case 'Y'): Fix comparisons to handle + NaNs properly in all cases. + +Tue Nov 12 18:47:24 1996 Jim Wilson <wilson@cygnus.com> + + * expr.c (emit_group_store): For REG case, call gen_lowpart if + modes are different. + +Tue Nov 12 18:24:40 1996 Doug Rupp (rupp@gnat.com) + + * gcc.c (exit): If VMS, define as __posix_exit. + (option_map): Add define-macro and undefine-macro. + +Tue Nov 12 17:55:10 1996 Torbjorn Granlund <tege@tege.pdc.kth.se> + + * alpha.c (input_operand): If TARGET_BYTE_OPS accept HImode and QImode. + * alpha.h (MASK_BYTE_OPS): New define. + (TARGET_BYTE_OPS): New define. + (TARGET_SWITCHES): Handle -mbyte. + (LOAD_EXTEND_OP): When MODE is not SImode, return ZERO_EXTEND. + * alpha.md (zero_extendqidi2): Handle TARGET_BYTE_OPS. + (zero_extend{hidi,qisi,hisi}2): Likewise. + (extendqisi2): Use extendqidi2x if TARGET_BYTE_OPS. + (extendqidi2): Likewise. + (extendqidi2x): New pattern. + (extendhisi2): Use extendhidi2x if TARGET_BYTE_OPS. + (extendhidi2): Likewise. + (extendhidi2x): New pattern. + (movhi): Handle TARGET_BYTE_OPS. + (movhi matcher): Output ldwu and stw. + (movqi): Handle TARGET_BYTE_OPS. + (movqi matcher): Output ldbu and stb. + +Tue Nov 12 16:53:37 1996 Rob Savoye <rob@chinadoll.cygnus.com> + + * configure (hppa1.1-pro*, i960-*-coff*,m68k-*-aout*): Add libgloss.h. + (m68k-*-coff*, mips*-*-elf*, sparc*-*-aout*, sparc*-*-coff*): Likewise. + * config/libgloss.h: New file. + +Tue Nov 12 16:21:45 1996 Joern Rennecke <amylaar@cygnus.com> + + * jump.c (jump_optimize): Fix bug in Sep 23 change. + +Tue Nov 12 16:15:31 1996 Andrew Cagney (cagney@tpgi.com.au) + + * global.c (prune_references): Add missing symmetic CONFLICTP call. + +Tue Nov 12 14:34:40 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k.c (output_function_{pro,epi}logue): Save and restore + fp-registers only if TARGET_68881. + + * m68k/mot3300.h (ASM_OUTPUT_INTERNAL_LABEL): Prefix labels with "L%". + (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_CASE_LABEL): Likewise. + (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. + + * m68k/mot3300.h (TARGET_DEFAULT): Use MASK_68040_ALSO, not MASK_68040. + * m68k/next.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise. + + * fixproto (std_files): Add sys/socket.h. + + * m68k.md (movqi): Emit 'st' for INTVAL & 255 == 255, not INTVAL == -1. + (seq,sne,sgt,sgtu,slt,sltu,sge,sgeu,sle,sleu): Allow "m" as operand 0. + +Tue Nov 12 14:17:45 1996 Paul Eggert <eggert@twinsun.com> + + * c-decl.c (grokdeclarator): Generate a warning if -Wimplicit, + unless a warning was already generated by -Wreturn-type. + +Tue Nov 12 14:11:02 1996 Pat Rankin <rankin@eql.caltech.edu> + + * Make qsort callback routines conform to the ANSI/ISO standard. + * c-decl.c (field_decl_cmp): Use `const void *' arguments. + * global.c (allocno_compare): Likewise. + * reload1.c (hard_reg_use_compare, compare_spill_regs): Likewise. + (reload_reg_class_lower): Likewise. + * stupid.c (stupid_reg_compare): Likewise. + * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise. + (QTY_CMP_PRI, QTY_CMP_SUGG): New macros. + (qty_compare_1, qty_sugg_compare_1): Use them. + +Tue Nov 12 13:20:25 1996 Jim Wilson <wilson@cygnus.com> + + * fold-const.c (merge_ranges): In (+,-) case, treat subset specially + if lower bounds are the same. + +Tue Nov 12 13:10:01 1996 J.T. Conklin <jtc@cygnus.com> + + * m68k.md (addsi3): If TARGET_5200, use the lea insn to add small + constants to address registers. + (negsi2): Change into define_expand. + (negsi2_internal): Rename from old negsi2, changed condition + to !TARGET_5200. + (negsi2_5200): New insn. + (one_cmplsi2): Change into define_expand. + (one_cmplsi2_internal): Rename from old one_cmplsi2, changed + condition to !TARGET_5200. + (one_cmplsi2_5200): New insn. + (negdi2_5200): Corrected constraints. + (one_cmpldi2): Changed condition to !TARGET_5200. + + * m68k.c (m68k_align_loops_string, m68k_align_jumps_string): New vars. + (m68k_align_funcs_string, m68k_align_loops): Likewise. + (m68k_align_jumps, m68k_align_funcs): Likewise. + (override_options): New function. + * m68k.h (TARGET_OPTIONS): Added alignment options. + (MAX_CODE_ALIGN, ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): + New macros. + (FUNCTION_BOUNDARY): Use value derrived from m68k_align_funcs + instead of constant. + + * m68k.c (output_function_{pro,epi}logue): Fix typo in last change. + +Tue Nov 12 09:26:51 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu> + + * i386.md (parallel inc/dec and branch-if-zero/nonzero): Use `+' in + constraint. + +Mon Nov 11 15:12:22 1996 Jason Merrill <jason@yorick.cygnus.com> + + * libgcc2.c: Also define WEAK_ALIAS if ASM_OUTPUT_WEAK_ALIAS. + * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Define. + * varasm.c (assemble_alias): Use ASM_OUTPUT_WEAK_ALIAS. + + * dwarf2out.c (TYPE_USED_FOR_FUNCTION): Lose. + (gen_compile_unit_die): Only append -g with -g2 or better. + (scope_die_for): Don't emit any type info with -g1. + (gen_subprogram_die): Likewise. + (gen_decl_die): Likewise. + (dwarfout_file_scope_decl): Likewise. + (dwarfout_init): Likewise. + + * mips/iris6.h (TYPE_ASM_OP): Define. + (SIZE_ASM_OP): Define. + (ASM_WEAKEN_LABEL): Define. + (BSS_SECTION_ASM_OP): Define. + (ASM_OUTPUT_ALIGNED_LOCAL): Don't use ASM_DECLARE_OBJECT_NAME. + (ASM_OUTPUT_ALIGNED_BSS): Define. + (ASM_DECLARE_OBJECT_NAME): Redefine to emit .size directive. + (ASM_FINISH_DECLARE_OBJECT): Define. + (ASM_OUTPUT_DEF): Don't define. + +Fri Nov 8 20:38:51 1996 Jim Wilson <wilson@cygnus.com> + + * function.c (expand_function_end): Handle BLKmode structures returned + in registers. + +Fri Nov 8 20:27:07 1996 Jason Merrill <jason@yorick.cygnus.com> + + * stor-layout.c (layout_record): Check for VAR_DECL instead + of TREE_STATIC. + + * varasm.c (assemble_variable): Do write out DWARF for + record-scope variables. + * toplev.c (rest_of_type_compilation): Do write out DWARF for + record-scope types. + + * dwarf2out.c (gen_enumeration_type_die): Set TREE_ASM_WRITTEN on a + complete enum type. + (gen_struct_or_union_type_die): Don't recurse between nested classes. + (gen_type_die): Write out nested classes by writing out their context. + +Fri Nov 8 17:40:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (change_address): If MEMREF isn't changing, + return the old one. + + * expr.c (expand_assignment): Remove bogus resetting of alignment + to inner alignment. + (expand_expr, case COMPONENT_REF): Likewise. + +Fri Nov 8 16:31:31 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * reg-stack.c (compare_for_stack_reg, subst_stack_regs_pat): + Add support for float conditional move. + +Thu Nov 7 07:46:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_record): Treat constant size as variable if + it overflows. + * fold-const.c (const_binop, case *_DIV_EXPR): Don't do special + sizetype case if a constant overflows. + (size_binop): Use integer_{zero,one}p instead of explicit test. + * tree.c (integer_{zero,one,all_ones,pow2}p, real_{zero,one,two}p): + Return 0 if TREE_CONSTANT_OVERFLOW. + +Wed Nov 6 17:53:33 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu> + + * i386.md (parallel inc and branch-if-zero/nonzero): Add two + new pattern variants. Change incrementing pattern to use incl/jnz. + +Wed Nov 6 09:46:10 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (override_options): Set defaults for -march and -mcpu. + (output_float_compare): Use cc_status.flags to mark if this + comparison can be done with fcomi. + (output_fp_cc0_set): A conditional move may be in a PARALLEL. + + * i386.h (CC_FCOMI): Define + + * i386.md (sgt,sgtu,sge,sle,bgt,blt,bge,ble): Use CC_FCOMI + (movsicc_1,movhicc_1): Use correct size suffix. + (movsfcc_1,movdfcc_1): Cleanup default move case. + +Wed Nov 6 09:46:10 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * i386.h (HARD_REGNO_MODE_OK): If long double isn't XFmode, can't + allow XFmode. + +Tue Nov 5 22:49:56 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (define_split for and_shl_scratch): + Use rtx_equal_p on the operands to find out which alternative is used. + * sh.c (gen_shl_and): Try to generate shorter constant for and. + +Mon Nov 4 19:13:52 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c: Clean up unused variables. + Use ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL, shorten label names. + (loc_descriptor): Use reg_loc_descriptor. + (TYPE_DECL_IS_STUB): New macro. + (gen_decl_die): Use it. + (dwarfout_file_scope_decl): Use it. + +Mon Nov 4 10:23:46 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * ginclude/va-ppc.h (__va_regsave_t,va_start,va_end): Wrap macro + and structures inside #ifndef __VA_PPC_H__ to allow reinclusion. + + * rs6000.h (LEGITIMATE_SMALL_DATA_P): Don't allow -fpic or TARGET_TOC. + (LEGITIMATE_LO_SUM_ADDRESS_P, LEGITIMIZE_ADDRESS): Likewise. + + * rs6000.md (movsi): Don't call elf_{high,low} if -fpic. + + * rs6000/cygwin32.h (STARTFILE_SPEC): Eliminate empty %{}. + +Sun Nov 3 15:56:35 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (TARGET_TOC): Plain -fpic does not require a TOC. + ({MINIMAL_TOC,CONST}_SECTION_ASM_OP): -fpic should be treated like + -mrelocatable in these cases. + (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise. + (ASM_OUTPUT_ALIGNED_LOCAL): Use sdata_section, not sbss_section. + +Fri Nov 1 19:57:13 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (based_loc_descr): Use DBX_REGISTER_NUMBER. The + "frame base" is just the frame or stack reg without an offset. + (gen_subprogram_die): Likewise. + (dwarfout_begin_function): Use DBX_REGISTER_NUMBER. + +Fri Nov 1 09:50:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (make_range): Don't merge unsigned case with range + containing upper bound; instead merge just with zero and convert + a range with no upper bound to opposite one with no lower bound. + (merge_ranges): In (+,-) case, don't treat subset specially if + the upper bounds are the same; fix typo in others case here. + +Thu Oct 31 20:12:13 1996 Jeffrey A Law (law@cygnus.com) + + * fold-const.c (make_range, case PLUS_EXPR): Correct + normalization of an unsigned range that wraps around zero. + +Thu Oct 31 21:06:37 1996 Jason Merrill <jason@yorick.cygnus.com> + + * mips/t-iris6 (EXTRA_MULTILIB_PARTS): Define. + (EXTRA_PARTS): Don't define. + + * dwarf2out.c (gen_struct_or_union_type_die): Use AT_specification + for nested types defined outside their containing class. Lose + is_complete. + (gen_enumeration_type_die): Lose is_complete. + (gen_type_die): Lose is_complete. + (add_name_and_src_coords_attributes): Tweak. + (gen_subroutine_type_die): Use scope_die_for. + (gen_ptr_to_mbr_type_die): Likewise. + (gen_subprogram_die): Support AT_artificial. + (gen_variable_die): Likewise. + (dwarfout_file_scope_decl): Lose finalizing. + +Thu Oct 31 18:43:18 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * pa.c (emit_move_sequence): Refine previous change. + +Thu Oct 31 13:25:32 1996 Jim Wilson <wilson@cygnus.com> + + * crtstuff.c: Put HAS_INIT_SECTION ifdefs around Irix6 support. + + * tree.c (decl_function_context): Handle QUAL_UNION_TYPE. + + * calls.c (expand_call): Disable special handling for const calls + that return a PARALLEL rtx. + * expr.c (expand_expr, case CONSTRUCTOR): Don't use a PARALLEL + target. + +Thu Oct 31 11:45:00 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/t-{ppcgas,ppc,solaris} (EXTRA_MULTILIB_PARTS): Add + {e,s}crt{i,n,0}.o. + ({stmp,install}-crt): Delete, no longer used. + ({,INSTALL_}LIBGCC): Remove {stmp,install}-crt rule. + +Thu Oct 31 02:49:58 1996 Torbjorn Granlund <tege@nada.kth.se> + + * i386.md (parallel inc and branch-if-zero/nonzero): + Check for -1, not zero. + +Wed Oct 30 15:50:49 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (range_binop): Strip NOPs from result and + verify it's an INTEGER_CST. + (make_range, case BIT_NOT_EXPR): Fix typo in constant for PLUS_EXPR. + + * stor-layout.c (layout_record): Use HOST_WIDE_INT for size. + + * stmt.c (expand_asm_operands): Disallow matching constraints + on output and validate the numbers on inputs. + +Tue Oct 29 16:21:59 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * gcc.c (process_command,main): Process -specs=file and -specs + file after reading the main specs file to allow the user to + override the default. + (DEFAULT_WORD_SWITCH_TAKES_ARG): Add specs to list. + (option_map): Likewise. + +Tue Oct 29 15:49:18 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (stmp-multilib): Pass $flags to s-m-sub in + MULTILIB_CFLAGS. + (stmp-multilib-sub): Build EXTRA_MULTILIB_PARTS. + ($(T)crt*.o): Add $(T), lose stamp-crt rule, use MULTILIB_CFLAGS. + (install-multilib): Install EXTRA_MULTILIB_PARTS. + +Mon Oct 28 20:09:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (shl_sext_ext): Don't accept simple left/right shift variant. + * sh.c (EXT_SHIFT_SIGNED): New macro. + (shl_sext_kind, gen_shl_sext): try left shift - sign extend - + left shift - arithmetic right shift in case 2. + +Mon Oct 28 14:55:42 1996 Jim Wilson <wilson@cygnus.com> + + * configure (sh-*-*): Set float_format to sh. + * config/float-sh.h: New file. + +Mon Oct 28 14:26:08 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips/mips.h (RTX_COSTS): Add cases for SIGN_EXTEND and ZERO_EXTEND. + + * m68k/lb1sf68.asm: Change # to IMM in udivsi3 __mcf5200__. + + * combine.c (simplify_rtx): Add some optimizations for TRUNCATE. + (expand_compound_operation): Add some optimizations for ZERO_EXTEND. + +Mon Oct 28 14:11:20 1996 Gavin Koch <gavin@cygnus.com> + + * varasm.c (make_decl_rtl,assemble_variable): + Allow named sections for uninitialized variables. + +Mon Oct 28 13:08:51 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * pa.c (emit_move_sequence): If reload in progress, replace + reference to pseudo with reference to corresponding MEM. + + * c-typeck.c ({un,}signed_type): If can't do anything, call + signed_or_unsigned_type. + (signed_or_unsigned_type): If already right signedness, return. + +Mon Oct 28 13:05:26 1996 Stephen Williams (steve@icarus.com) + + * i960.h: Add specification for -Jx types. + * i960/t-960bare: Include multilib support for Jx types. + +Mon Oct 28 10:06:00 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/t-{ppc{,gas},solaris} (install-crt): Depend on + installdirs, not install-dir. + + * rs6000/sysv4.h (TARGET_TOC): -fpic does not use a TOC area. + +Mon Oct 28 09:07:42 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (delete_output_reload): Don't use delete_insn + when deleting all stores into a replaced pseudo. + + * sh.md (movsf_ieq, movsf_ie): Merged the former into the latter. + Changed matching define_split appropriately. + (movsf): Changed appropriately. + (reload_insf) Define. + * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Define. + +Mon Oct 28 08:38:23 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * dsp16xx.h (ASM_OUTPUT_BYTE): Adjust definition to actual type of + VALUE, which is HOST_WIDE_INT. + +Mon Oct 28 07:36:07 1996 Ulrich Drepper <drepper@cygnus.com> + + * ginclude/stddef.h: Make sure file is processed if some of the + known __need_* macros is defined. + +Sun Oct 27 21:37:59 1996 J.T. Conklin <jtc@cygnus.com> + + * m68k.c (output_function_prologue): Adjust SP then use movmel with + plain address indirect mode for TARGET_5200. + (output_function_epilogue): Disable moveml and use several movel's + instead for TARGET_5200. + (output_function_{pro,epi}logue): Use lea instruction to adjust + stack pointer for short displacements for TARGET_5200. + +Sun Oct 27 15:27:45 1996 Jeffrey A Law (law@cygnus.com) + + * fold-const.c (merge_ranges): Fix thinko/typo. + +Sat Oct 26 22:07:04 1996 Ian Lance Taylor <ian@cygnus.com> + + * expr.c (convert_modes): Before returning a const_double for a + large unsigned value, zero extend an integer value if necessary. + +Sat Oct 26 15:24:55 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k/x-mot3300 (XCFLAGS): Disable native assembler's jump + optimization for expr.o and cp/decl.o. + +Sat Oct 26 14:04:09 1996 Ben Harris <bjh21@cam.ac.uk> + + * m68k.c (output_function_prologue): Add REGISTER_PREFIX to stack + probe instruction. + +Sat Oct 26 13:59:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * explow.c (allocate_dynamic_stack_space): Delete reference to + nonexistent macro ALLOCATE_OUTGOING_ARGS. + + * next.h (CPP_PREDEFINES): Add -D_NEXT_SOURCE. + +Sat Oct 26 13:50:49 1996 Mark Mitchell (mitchell@centerline.com) + + * configure (i486-ncr-sysv4*): Use i386/sysv4gdb if stabs and gas. + +Sat Oct 26 12:20:35 1996 John F. Carr <jfc@mit.edu> + + * configure: Support --with-cpu=* for SPARC. Or target default + values instead of adding them. + * sparc.c (cpu_default): Add entries for v8 and supersparc. + * sparc.h: Define TARGET_CPU values for v8 and supersparc. + +Sat Oct 26 11:38:01 1996 Kamil Iskra <iskra@student.uci.agh.edu.pl> + + * collect2.c (dump_file): Call fclose for opened files. + +Sat Oct 26 11:29:29 1996 J"orn Rennecke (amylaar@cygnus.co.uk) + + * jump.c (jump_optimize): Fix second error in last change. + + * svr3.h: Fix typo which makes comment text be non-comment. + +Fri Oct 25 16:18:39 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/t-winnt (LIBGCC1): Don't build libgcc1. + (EXTRA_PARTS): Build crti.o, crtn.o. + (stmp-crt): Remove old multilib support. + +Thu Oct 24 15:09:14 1996 Jim Wilson <wilson@cygnus.com> + + * fold-const.c (make_range, case PLUS_EXPR): Normalize an unsigned + range that wraps around 0. + +Thu Oct 24 14:37:17 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.md: Change predicates for 64 bit arithmetic operations + so that they accept sign extended registers as operands. + (extendsidi2): Accept hi or lo as input. + * mips.c (movdi_operand, se_register_operand, + se_reg_or_0_operand, se_uns_arith_operand, se_arith_operand, + se_nonmemory_operand, se_nonimmediate_operand): New functions. + (mips_move_2words): Handle a SIGN_EXTEND source. + (print_operand): Handle a SIGN_EXTEND operand. + (mips_secondary_reload_class): Handle a SIGN_EXTEND rtx. + * mips.h: Declare new mips.c functions. + (PREDICATE_CODES): Add new functions. + +Thu Oct 24 07:41:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (make_range, comparison cases): When making range + for unsigned to merge in, use full range. + + * stor-layout.c (GET_MODE_ALIGNMENT): Delete definition; duplicate. + +Thu Oct 24 07:28:53 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (emit_reload_insns): Check for second_reloadreg + in SECONDARY_OUTPUT_RELOAD_CLASS / PRESERVE_DEATH_INFO_REGNO_P case. + +Wed Oct 23 14:27:43 1996 Mike Stump <mrs@cygnus.com> + + * crtstuff.c (__do_global_dtors_aux): Allow finalization code to + be run more than once. + * libgcc2.c (__do_global_dtors): Ditto. + +Wed Oct 23 20:42:23 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * sh.c (dump_table): handle SFmode and DFmode. + (broken_move): handle simple PARALLEL. + (machine_dependent_reorg, pc-relative move generation): Likewise. + * sh.h (CONST_DOUBLE_OK_FOR_LETTER_P): always true for 'F' . + (LEGITIMATE_CONSTANT_P): accept SFmode and DFmode. + * sh.md (movdf_k, movsf_i, movsf_ie): new alternative for + pc-relative load. + (movsf_ieq): new define_insn with matching define_split. + (movsf): use it where appropriate. + (consttable_sf, consttable_df): new define_insns. + +Wed Oct 23 17:48:32 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * svr4.h (MAKE_DECL_ONE_ONLY): Fix typo in use of macro parameter. + +Wed Oct 23 17:46:13 1996 Pat Rankin <rankin@eql.caltech.edu> + + * cexp.y (yylex): Cast string literal to U_CHAR* for lookup() call. + +Wed Oct 23 14:50:04 1996 Jason Merrill <jason@yorick.cygnus.com> + + * stmt.c (expand_return): Expand cleanups. Make sure we get pseudo + and provide target in non-BLKmode case. Get proper return type of fn. + +Wed Oct 23 14:16:06 1996 Ian Lance Taylor <ian@cygnus.com> + + * reload.c (find_reloads): Handle any unary operator. + * recog.c (constrain_operands): Likewise. + + * mips.md: Remove extendsidi2 define_expand. + Rename extendsidi2_internal define_insn to extendsidi2, and add a + register to register case. + +Wed Oct 23 14:08:31 1996 Jim Wilson <wilson@cygnus.com> + + * a29k.c (a29k_makes_calls): New global variable. + (compute_regstack_size, a29k_compute_reg_names): New functions. + (output_prolog): Much code moved to two new functions. + Use a29k_makes_calls instead of makes_calls. + * a29k.h (ASM_DECLARE_FUNCTION_NAME): Call a29k_compute_reg_names. + + * calls.c (expand_call): In target code, move PARALLEL case above + target != case. + + * mips.c (block_move_load_store, block_move_sequence): Delete. + (block_move_loop): New parameter orig_dest. Call change_address to + create new MEM instead of gen_rtx. + (expand_block_move): New local orig_dest. Pass it to block_move_loop. + Call change_address to create new MEM instead of gen_rtx. + +Wed Oct 23 10:30:32 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (combine_givs): When combining a DEST_REG giv with its + only use, always set the benefit of the combined giv to that of + the DEST_REG giv. + + * emit-rtl (gen_lowpart_common): When converting a floating + point value into an integer, use WORD as (first) word. + + * combine.c (can_combine_p): When SMALL_REGISTER_CLASSES is defined, + avoid substituting a return register into I3. + + * optabs.c (emit_libcall_block): Before adding an REG_EQUAL note, + check that it will really apply to a single instruction. + (expand_binop, expand_fix): Likewise. + +Wed Oct 23 10:20:52 1996 Stephen L Moshier (moshier@world.std.com) + + * real.c (exact_real_inverse): New function, if REAL_ARITHMETIC. + * fold-const.c (exact_real_inverse): Likewise, if no REAL_ARITHMETIC. + (fold, case RDIV_EXPR): Turn divide by constant into multiplication + by the reciprocal, if optimizing and result is exact. + * real.h (exact_real_inverse): Declare. + +Wed Oct 23 00:12:52 1996 Torbjorn Granlund <tege@nada.kth.se> + + * expr.h (emit_store_flag_force): Declare. + +Tue Oct 22 18:32:20 1996 Jim Wilson <wilson@cygnus.com> + + * unroll.c (unroll_loop): Always reject loops with unbalanced blocks. + +Tue Oct 22 18:27:06 1996 Ian Lance Taylor <ian@cygnus.com> + + * config/fp-bit.c (float_to_usi): Correct thinko: avoid negative shift. + (df_to_sf): Remember any discarded nonzero bits in the low order + guard bit. + + * ginclude/va-mips.h: Add support for -mips1 and -msoft-float when + using -mabi=eabi. + * mips/abi64.h (SETUP_INCOMING_VARARGS): When MIPS EABI, handle + TARGET_SINGLE_FLOAT or ! TARGET_FLOAT64 correctly when saving + floating point registers to the stack. + * mips/mips.c (mips_function_value): If TARGET_SINGLE_FLOAT, use + GP_RETURN for floating point types larger than 4 bytes. + +Tue Oct 22 09:43:49 1996 Geoffrey Noer <noer@cygnus.com> + + * rs6000/cygwin32.h (LIB_SPEC): Add -lkernel32 all of the time, + and {user,gdi,comdlg}32 if -mwindows. + +Tue Oct 22 05:24:05 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (scope_die_for): Don't skip lexical blocks. + (gen_lexical_block_die): Call push_decl_scope. + (gen_subprogram_die): Never refer to the function symbol. + (dwarfout_begin_prologue): Likewise. + +Mon Oct 21 20:22:49 1996 Torbjorn Granlund <tege@nada.kth.se> + + * expmed.c (emit_store_flag_force): New function. + * optabs.c (expand_binop): Use it. + + * expr.c (do_store_flag): Don't check if target is 0 in code + emitting store flag as compare-branch. + +Mon Oct 21 17:58:33 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.c (override_options): Correct typo (MASK_64BIT should + have been TARGET_64BIT). + +Mon Oct 21 13:58:54 1996 Jim Wilson <wilson@cygnus.com> + + * unroll.c (loop_comparison_code): New static variable. + (unroll_loop): Add check for loop_comparison_code + (loop_iterations): Set loop_comparison_code. + + * sh.c (gen_shl_sext): Add missing parameter to shl_sext_kind call. + + * mips.h (INITIAL_FRAME_POINTER_OFFSET): Delete. + + * loop.c (strength_reduce): Add check for ! bl->reversed to + auto_inc_opt code. + +Mon Oct 21 12:28:15 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * jump.c (jump_optimize): Fix bug in Oct. 14 change. + +Mon Oct 21 07:59:16 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_expr): Disable optimization of using convert + if exp's type is a subtype. + + * c-typeck.c (build_array_ref): If -Wchar-subscripts, also warn + in case when pointer is being indexed. + +Mon Oct 21 07:39:31 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * jump.c (jump_optimize): Use emit_store_flag even if branches + are cheap, if the store is even cheaper. + +Sun Oct 20 20:01:09 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (reload_reg_free_p, reloads_conflict): RELOAD_OTHER + and RELOAD_FOR_OTHER_ADDRESS conflict. + + * i386.md (ffs[sh]i2): Add missing CC_STATUS_INIT. + +Fri Oct 18 13:32:13 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (float conversion insns): Generate correct code + if the bit 15 of rs6000_fpmem_offset is nonzero. + +Thu Oct 17 23:22:03 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarfout.c (data_member_location_attribute): Support binfos. + (output_inheritance_die): New fn. + (output_type): Use it. + + * dwarf2out.c (value_format): Split out from... + (output_value_format): Here. + (build_abbrev_table): Use value_format. + (size_of_locs): New fn. + (size_of_die): Don't assume a loc needs a 2-byte length. + (value_format, output_die): Likewise. + +Thu Oct 17 14:46:14 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.c (override_options): In 64 bit EABI mode, set TARGET_LONG64. + +Thu Oct 17 11:34:51 1996 Bob Manson <manson@cygnus.com> + + * expr.c (do_jump): Conditionalize cleanups for the COND_EXPR case, + similarly to the way TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR are + handled. + +Thu Oct 17 01:20:16 1996 Jim Wilson <wilson@cygnus.com> + + * m68k.h (MASK_68040_ALSO): New macro. + (TARGET_SWITCHES): Option -m68020-40 includes MASK_68040_ALSO. + +Wed Oct 16 16:25:38 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (scope_die_for): Also support decls, add asserts. + (modified_type_die): Modified types all go under comp_unit_die. + (add_type_attribute): Just pass context_die through. + (various): Revert useless lookup_type_die change. + (gen_subprogram_die): Use scope_die_for. Call push_decl_scope. + (gen_inlined_subroutine_die): Call push_decl_scope. + (gen_struct_or_union_type_die): Likewise. + (gen_decl_die): Don't call push_decl_scope. + + * mips/iris6.h (*_SPEC): Replace enumeration of !mabi= with !mabi*. + (ASM_OUTPUT_{CON,DE}STRUCTOR): Enable. + (STARTFILE_SPEC): Support -mips4, -shared. + (ENDFILE_SPEC): Likewise. + (LIB_SPEC): Support -shared, avoid warning 84. + (LIBGCC_SPEC): Define. + (LINK_SPEC): Support -shared, remove -woff 84. + * mips/t-iris6 (EXTRA_PARTS): Add crtstuff. + * crtstuff.c: Support Irix 6. + * configure: Don't use collect2 for Irix 6. + * libgcc2.c (__main): Don't use any of this stuff if HAS_INIT_SECTION. + +Wed Oct 16 11:46:37 1996 Mike Stump <mrs@cygnus.com> + + * elxsi.h (CHECK_FLOAT_VALUE): Removed. + +Wed Oct 16 14:19:38 1996 Jim Wilson <wilson@cygnus.com> + + * iris6.h (CPP_PREDEFINES): Add -D_LONGLONG. + (CPP_SPECS): Remove -D_LONGLONG. + +Wed Oct 16 03:34:42 1996 Torbjorn Granlund <tege@nada.kth.se> + + * i386.md (parallel inc/dec and branch-if-zero/nonzero): New patterns. + +Tue Oct 15 22:28:11 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.h (enum mips_abi_type): Add ABI_EABI. + (CPP_SPEC): Define __mips_soft_float if -msoft-float, and + __mips_eabi if -mabi=eabi. + (INITIAL_ELIMINATION_OFFSET, CUMULATIVE_ARGS, + GO_IF_LEGITIMATE_ADDRESS, CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT, + LEGITIMIZE_ADDRESS): Add support for MIPS EABI. + * mips/abi64.h (STACK_BOUNDARY, MIPS_STACK_ALIGN, + FUNCTION_ARG_PADDING, RETURN_IN_MEMORY, SETUP_INCOMING_VARARGS): + Add support for MIPS EABI. + (FUNCTION_ARG_PASS_BY_REFERENCE): Define. + (FUNCTION_ARG_CALLEE_COPIES): Define. + * mips.c (mips_const_double_ok, function_arg_advance, + function_arg, function_arg_partial_nregs, override_options, + compute_frame_size): Add support for MIPS EABI. + (function_arg_pass_by_reference): New function. + * ginclude/va-mips.h: Add support for MIPS EABI. + +Tue Oct 15 19:10:08 1996 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (rest_of_type_compilation): Don't write out + DWARF for function-scope types yet. + (compile_file): Do send vars with no RTL to the DWARF code. + +Tue Oct 15 17:54:43 1996 Doug Evans <dje@cygnus.com> + + * loop.c (strength_reduce): Avoid taking PATTERN of a label. + +Tue Oct 15 16:52:33 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips/iris6.h: (SUBTARGET_CPP_SIZE_SPEC): Define. + (SUBTARGET_CPP_SPEC): Remove definitions of __SIZE_TYPE__ and + __PTRDIFF_TYPE__, now in SUBTARGET_CPP_SIZE_SPEC. + +Tue Oct 15 11:19:17 1996 Lee Iverson <leei@Canada.AI.SRI.COM> + + * mips.h (CPP_SPEC): Restore -D_LANGUAGE_C for Objective-C. + +Mon Oct 14 18:03:35 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (gen_decl_die): Do generate dies for classes with -g1. + (dwarfout_file_scope_decl): Likewise. + +Mon Oct 14 16:31:44 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * jump.c (jump_optimize): Check for if (...) { x = a; goto l; } x = b; + +Mon Oct 14 14:19:49 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (modified_type_die): Don't bother with AT_address_class. + (add_data_member_location_attribute): Handle getting a binfo. + (add_location_or_const_value_attribute): Handle a decl with no RTL. + (add_pure_or_virtual_attribute): Add AT_vtable_elem_location. + (add_name_and_src_coords_attributes): Only use DECL_ASSEMBLER_NAME + for staticp things. + (gen_subprogram_die): Set up AT_inline for abstract decls. + (gen_inheritance_die): New fn. + (gen_member_die): Also emit info for base classes. + +Sat Oct 12 00:07:00 1996 Doug Evans <dje@cygnus.com> + + * fold-const.c (make_range): Handle NULL operand 0 like in BIND_EXPRs. + +Fri Oct 11 15:42:22 1996 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (rest_of_compilation): If we did a + save_for_inline_copying, reset DECL_ABSTRACT_ORIGIN for the + function when we're done. + + * toplev.c (main): DWARF works with C++ now. + + * dwarf2out.c (gen_subprogram_die): Disable MIPS_AT_has_inline + support for now. + +Fri Oct 11 14:31:10 1996 Torbjorn Granlund <tege@nada.kth.se> + + * dwarfout.c: (output_bound_representation): Fix typo in prototype. + +Fri Oct 11 12:19:21 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.h ({,SUBTARGET_}MIPS_AS_ASM_SPEC): Define. + ({GAS,TARGET,SUBTARGET}_ASM_SPEC): Define. + (SUBTARGET_ASM_{OPTIMIZING,DEBUGGING}_SPEC): Define. + (ASM_SPEC): Rewrite to use above specs. + (SUBTARGET_CPP{,_SIZE}_SPEC): Define. + (CPP_SPEC): Use above specs. Don't define _LANGUAGE_C if C++ or + Objective-C. + ({,SUBTARGET_}EXTRA_SPECS): Define. + * mips/dec-bsd.h ({CPP,ASM}_SPEC): Don't define. + * mips/dec-osf1.h (CPP_SPEC): Don't define. + (SUBTARGET_CPP_SIZE_SPEC): Define. + * mips/elf64.h (CPP_SPEC): Don't define. + (SUBTARGET_CPP_SPEC): Define. + * mips/gnu.h (TARGET_DEFAULT): Define. + (ASM_SPEC): Don't define. + * mips/iris3.h (CPP_SPEC): Don't define. + (SUBTARGET_CPP_SPEC): Define. + * mips/iris4loser.h (ASM_SPEC): Don't define. + (SUBTARGET_MIPS_AS_ASM_SPEC): Define. + (SUBTARGET_ASM_OPTIMIZING_SPEC): Define. + * mips/iris5.h (CPP_SPEC): Don't define. + (SUBTARGET_CPP_SPEC): Define. + * mips/iris6.h ({CPP,ASM}_SPEC): Don't define. + (SUBTARGET_{CPP,ASM,MIPS_AS_ASM,ASM_DEBUGGING}_SPEC): Define. + * mips/netbsd.h ({CPP,ASM}_SPEC): Don't define. + (SUBTARGET_CPP_SPEC): Define. + * mips/osfrose.h ({CPP,ASM,ASM_FINAL}_SPEC): Don't define. + (SUBTARGET_CPP{,_SIZE}_SPEC): Define. + * mips/sni-svr4.h (CPP_SPEC): Don't define. + (SUBTARGET_CPP_SIZE_SPEC): Define. + +Thu Oct 10 17:58:49 1996 Jason Merrill <jason@yorick.cygnus.com> + + * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Define. + (DWARF_OFFSET_SIZE): Define. + + * dwarf2out.c (most everywhere): Support SGI/MIPS -mabi=64 by fixing + code which assumed pointers are 4 bytes long, parameterizing many + sizes on DWARF_OFFSET_SIZE and using DELTA instead of DELTA4, + DATA instead of DATA4, FORM_ref instead of FORM_ref4. + (DWARF_ROUND, UNALIGNED_DOUBLE_INT_ASM_OP): New macros. + (UNALIGNED_WORD_ASM_OP, ASM_OUTPUT_DWARF_DELTA): Likewise. + (ASM_OUTPUT_DWARF_DATA, DW_FORM_data, DW_FORM_ref): New macros. + (gen_variable_die): Only equate_decl_number_to_die if + decl is TREE_STATIC. + (get_AT): Fix thinko. + + * dwarf2out.c (constant_size): New fn. + (size_of_die): Use it instead of assuming 4 bytes. + (output_value_format, output_die): Likewise. + (build_abbrev_table): Need new abbrev if size of constant differs. + (dwarf_attr_name): Add new SGI/MIPS extensions. + (gen_subprogram_die): Support DW_AT_MIPS_has_inlines. + (gen_inlined_subroutine_die): Likewise. + +Thu Oct 10 16:38:58 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.md (mov[sd]fcc): Use register_operand, not reg_or_0_operand, + for source predicates. + +Thu Oct 10 15:19:38 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (floatsidf2_load): For large stack frames, do not + generate an illegal memory reference. + (movdi, movdf define_splits): Fix code so that it works for either + big or little endian hosts generating code for either big or + little endian targets. + + (from Jim Wilson) + * rs6000.c (rs6000_save_toc_p): Delete global variable. + (rs6000_{save,restore}_machine_status): Do not save/restore it. + (rs6000_init_expanders): Do not initialize it. + (rs6000_stack_info): Always create TOC save space. + + * rs6000.md (NT indirect call insns): Do not set + rs6000_save_toc_p. + + * rs6000.h (rs6000_save_toc_p): Delete declaration. + +Wed Oct 9 18:06:54 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.h (EMPTY_FIELD_BOUNDARY): Define as 32. + * mips/abi64.h (EMPTY_FIELD_BOUNDARY): Don't define. + + * mips/abi64.h (TARGET_DEFAULT, TARGET_LONG64, CPP_PREDEFINES, + CPP_SPEC): Move from here... + * mips/iris6.h: ...to here. + +Wed Oct 9 16:43:51 1996 Jim Wilson <wilson@cygnus.com> + + * configure (i[3456]86-dg-dgux): Use install-headers-cpio. + + * expr.c (store_constructor): Delete unnecessary increment. + +Wed Oct 9 16:29:22 1996 Gavin Koch <gavin@cetus.cygnus.com> + + * cccp.c (do_include): Treat ENOTDIR like ENOENT when an open fails. + +Wed Oct 9 16:26:57 1996 Paul Eggert <eggert@twinsun.com> + + * gcc.c (default_compilers): -ansi no longer implies -$ to cpp. + * c-lex.c (yylex): Treat `$' just like `_', except issue a + diagnostic if !dollars_in_ident or if pedantic. + * c-decl.c (dollars_in_ident): DOLLARS_IN_IDENTIFIERS is now Boolean. + (c_decode_option): -fdollars-in-identifiers is now independent + of -ansi, of -traditional, and of DOLLARS_IN_IDENTIFIERS. + * cexp.y (initialize_random_junk): Ignore DOLLARS_IN_IDENTIFIERS. + * cccp.c (dollars_in_ident): Remove; replaced by is_idchar['$']. + (main): Initialize is_idchar and is_idstart directly when given -$. + Ignore DOLLARS_IN_IDENTIFIERS. + (rescan): Diagnose $ in identifier if pedantic. + (initialize_char_syntax): Assume $ is allowed in identifier; + `main' will change this if -$ is given. + * cpplib.h (DOLLARS_IN_IDENTIFIERS): Remove. + * cpplib.c (cpp_options_init): Ignore DOLLARS_IN_IDENTIFIERS. + (parse_name): Diagnose $ in identifier if pedantic. + (cpp_handle_options): -traditional no longer messes with + dollars_in_ident. + * i386/dgux.h, m68k/apollo68.h (DOLLARS_IN_IDENTIFIERS): Remove. + * m88k.h, mips.h, nextstep.h, pa.h (DOLLARS_IN_IDENTIFIERS): Remove. + * vax/ultrix.h, vax/vms.h (DOLLARS_IN_IDENTIFIERS): Remove. + * convex.h (OVERRIDE_OPTIONS): Don't need to set + dollars_in_ident any more, since -ansi doesn't change it. + +Wed Oct 9 07:35:47 1996 Doug Evans <dje@cygnus.com> + + * Allow prefix attributes in more places. + * c-parse.in: Update number of shift/reduce conflicts. + ({typed_declspecs,reserved_declspecs,declmods}_no_prefix_attr): New. + (current_declspecs): Initialize to NULL_TREE. + (fndef): Pass current_declspecs, not $1, to start_function. + (old_style_parm_decls): Renamed from xdecls. + (datadecl, declmods): Add references to new rules. + (setspecs): Call split_specs_attrs. + (absdcl1): Remove case with setattrs. + * c-common.c (split_specs_attrs): New function. + +Wed Oct 9 05:48:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sdbout.c: Include defaults.h. + * Makefile.in (sdbout.o): Make dependency list match included files. + + * fold-const.c (range_test): Function deleted. + (range_binop, make_range, build_range_check): New functions. + (merge_ranges, fold_range_test): Likewise. + (fold_truthop): No longer call range_test. + (fold, case TRUTH_{AND,OR}{,IF}_EXPR): Call fold_range_test. + +Tue Oct 8 22:03:32 1996 Torbjorn Granlund <tege@nada.kth.se> + + * configure: Set cpu_type for pyramid. + +Tue Oct 8 21:54:04 1996 Jason Merrill <jason@yorick.cygnus.com> + + * final.c (final_start_function): Call dwarfout_begin_prologue. + + * dwarf2out.c (pubname_*, arange_*): New data for .debug_pubnames + and .debug_aranges sections. + (add_pubname): New fn. + (size_of_pubnames): Reimplement. + (output_pubnames): Likewise. + (add_arange): New fn. + (size_of_aranges): Include function sections. + (output_aranges): Likewise. + (gen_variable_die): Call add_pubname. + (add_name_and_src_coords_attributes): Use DECL_ASSEMBLER_NAME for now. + (decl_start_label): Renamed from function_start_label. + (gen_subprogram_die): If weak or one_only, use a local label for + AT_low_pc. Call add_pubname and add_arange. + (dwarfout_begin_prologue): New fn. Start up FDE here. + (dwarfout_begin_function): Not here. + (get_AT): Split out. Look in specification and abstract_origin DIEs. + (get_AT_low_pc, get_AT_string, get_AT_flag, get_AT_unsigned, + get_AT_hi_pc): Use it. + (dwarfout_finish): Variables can produce pubnames, too. + +Tue Oct 8 19:35:40 1996 Torbjorn Granlund <tege@nada.kth.se> + + * m88k/dgux.h (CPP_SPEC): Avoid newline in the string. + + * final.c (final): Update insn_current_address before calling + final_scan_insn. + +Tue Oct 8 17:52:02 1996 Jim Wilson <wilson@cygnus.com> + + * unroll.c (unroll_loops): Set local_regno only if set_dominates_use + returns true. + (set_dominates_use): New function. + +Tue Oct 8 16:01:37 1996 Doug Evans <dje@cygnus.com> + + * c-typeck.c (decl_constant_value): Delete test for ! TREE_PUBLIC. + +Tue Oct 8 10:36:44 1996 Jeffrey A Law (law@cygnus.com) + + * pa.c (hppa_legitimize_address): Remove test code accidentally left + in during last change. + +Mon Oct 7 19:55:02 1996 Jim Wilson <wilson@cygnus.com> + + * sched.c (schedule_block): Before scheduling, add code to make all + call used regs not fixed or global live when we see a CALL_INSN. + During scheduling, change existing code to use same test. + + * varasm.c (bss_section): Delete unused parameters. + +Mon Oct 7 16:24:21 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2.h: Add new SGI/MIPS attributes. + + * dwarf2out.c (*_separate_line_info_*): Parallel line number + information for functions defined in sections other than .text. + (size_of_line_info): Support it. + (output_line_info, dwarfout_line): Likewise. + (gen_compile_unit_die): Don't add high/low_pc or stmt_list + attributes here. + (dwarfout_finish): Add them here if appropriate. + (remove_AT): Free removed attribute properly. + (gen_type_die): Don't assume a nested type is complete. + (dwarfout_finish): Don't emit line info if it would be empty. + + * dwarfout.c (output_block): Don't emit a DIE for a body block. + (output_decls_for_scope): Don't increment next_block_number for the + outer block. + (output_decl): Start from the outer block, not + the first inner block since there can be more than one in C++. + (type_tag): Handle C++ TYPE_NAME. + (output_type): Fix handling of TYPE_METHODS. + (output_decl): Don't output a DIE for artificial typedefs. + +Mon Oct 7 15:47:29 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (movdi define_splits): Fix previous change to work + on both little and big endian hosts. + +Sun Oct 6 16:52:34 1996 Jeffrey A Law (law@cygnus.com) + + * pa.h (combinable_fsub): Don't return without a value. + +Sun Oct 6 14:05:39 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (mov{df,di} define_splits): Use split_double to + properly split CONST_DOUBLEs. + (movdi): Likewise. + +Sat Oct 5 08:43:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * i386/cygwin32.h (LIB_SPEC): Add support for -mwindows. + Always pass -lkernel32. + (LIBGCC_SPEC): Don't delete. + (STARTFILE_SPEC): Remove always-true conditionalization. + (LONG_DOUBLE_TYPE_SIZE): Use default. + +Fri Oct 4 17:22:53 1996 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (rest_of_type_compilation): Don't emit DWARF for member + types of a type we haven't emitted yet. + (compile_file): Still emit DWARF for pending tagged types. + + * final.c (final_scan_insn): Do emit DWARF labels for level 1 blocks. + + * dwarf2out.c (gen_subprogram_die): Start from the outer block, not + the first inner block since there can be more than one in C++. + (gen_lexical_block_die): Keep track of the block depth. + (gen_block_die): Don't emit a DIE for a body block. + (gen_inlined_subroutine_die): Don't emit anything for an + abstract instance. + (decls_for_scope): Don't increment next_block_number for the + outer block. + +Fri Oct 4 15:27:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (PRESERVE_DEATH_INFO_REGNO_P): Define. + + * sh.c (sfunc_uses_reg): New function. + (noncall_uses_reg, machine_dependent_reorg, final_prescan_insn): + Handle special functions like function calls for purposes of relaxing. + (noncall_uses_reg): Added some missing cases of registers + being used in non-call instructions. + +Fri Oct 4 10:51:40 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c: Tear out backchaining brain damage. + (remove_AT, remove_children): New functions. + (modified_type_die): Call gen_type_die instead of backchaining. + (gen_subprogram_die): Don't generate a new specification DIE for + member functions defined in the class; use the declaration DIE instead. + (gen_struct_or_union_type_die): Support DW_AT_declaration. + (gen_type_die): Don't set TREE_ASM_WRITTEN on incomplete structs. + (gen_decl_die): Revert previous change; it's much simpler to emit + the class from rest_of_type_compilation. + +Fri Oct 4 09:54:21 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * Make sure we have enough registers for the insns we recognize. + * i386.h (flag_omit_frame_pointer, outer_function_chain): Declare. + (current_function_calls_alloca): Likewise + (rtx_equal_function_value_matters): Likewise + (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Define. + + * i386.md (adddi3_1, subdi3_1): Insns renamed from adddi3 and subdi3; + added missing earlyclobbers. + (adddi3_1): Removed duplicates from commutativity. + (adddi3, subdi3): New define_expands. + (movsf, movsf_mem, movsf_normal, movdf, movdf_mem , movdf_mem+1): Take + number of used vs. available registers into account. + (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise. + (adddi3_1, subsidi3, subdi3_1): Likewise. + (addsidi3_1, addsidi3_2, subsidi3): Need no generate function. + + * i386.c (asm_output_function_prefix): Don't use + ASM_DECLARE_FUNCTION_NAME if it is not defined. + +Fri Oct 4 07:01:55 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_decl): Don't turn off DECL_BIT_FIELD + if DECL's alignment is less than its type. + +Thu Oct 3 19:42:30 1996 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (rest_of_type_compilation): Also do this for DWARF. + (compile_file): Don't try to write out DWARF for vars with no RTL. + +Thu Oct 3 18:31:28 1996 Doug Evans <dje@cygnus.com> + + * ginclude/{stdarg.h,varargs.h}: Use #include "", not #include <>. + +Wed Oct 2 17:29:53 1996 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Add a hack to the big sed script to work around a + bug in the sed implementation on HP/UX 10.20. + +Wed Oct 2 16:53:56 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (modified_type_die): Don't generate redundant DIEs. + (gen_{array,pointer,reference,ptr_to_mbr}_type_die): Likewise. + (gen_{subroutine,string,set}_type_die): Likewise. + + * dwarf2out.c: Undo text_end_label, add_src_coords changes. + (addr_const_to_string): Fix typos. + (decl_class_context, get_AT_unsigned): New functions. + (gen_subprogram_die): Only emit src coords info for a specification + if they changed. + (gen_variable_die): Support DW_AT_declaration and DW_AT_specification. + (gen_decl_die): Avoid generating redundant DIEs for member functions + and variables. + +Wed Oct 2 11:22:50 1996 Jeffrey A Law (law@cygnus.com) + + * pa.h (EXTRA_CONSTRAINT): Loosen conditions for match of + 'Q' and 'T' while reload is running. + * pa.c (hppa_legitimize_address): Rework to generate more + indexed and scaled indexed addressing. + * pa.md (scaled indexed store): Add define_splits to undo + pessimizations created by hppa_legitimize_address for integer stores. + + * pa.c (remove_useless_addtr_insns): New function. + (pa_reorg): Delete code to remove useless add,tr insns. + Instead call remove_useless_addtr_insns. + (output_function_prologue): Call remove_useless_addtr_insns + to catch any add,tr insns created by reorg. + + * pa.c (secondary_reload_class): Remove duplicate/useless code. + + * pa.h (PARSE_LDD_OUTPUT): Handle output from hpux10.20 "chatr". + +Tue Oct 1 17:23:32 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (text_end_label): New static. + (size_of_line_info): The final entry is smaller. + (output_aranges): Use TEXT_SECTION instead of TEXT_BEGIN_LABEL and + text_end_label instead of TEXT_END_LABEL. + (gen_compile_unit_die): Likewise. + (output_line_info): Likewise. Use a fixed advance for the last entry. + (dwarfout_init): Don't output starting labels. + (dwarfout_finish): Set up text_end_label. Don't output ending labels. + + (add_pure_or_virtual_attribute): Don't say pure virtual for now. + (type_tag): Handle C++ TYPE_NAME. + (gen_formal_parameter_die): Support DW_AT_artificial. + (gen_formal_types_die): Do emit the type for 'this'. + (gen_member_die): Fix handling of TYPE_METHODS. + (gen_decl_die): Do output a DIE for member function declarations. + Don't output a DIE for artificial typedefs. + + (add_member_attribute): Remove, not in DWARF-II. + (gen_array_type_die): Remove ref to add_member_attribute. + (gen_set_type_die, gen_entry_point_die, gen_enumeration_type_die, + gen_subprogram_die, gen_variable_die, gen_field_die, + gen_pointer_type_die, gen_reference_type_die, gen_ptr_to_mbr_type_die, + gen_string_type_die, gen_struct_or_union_type_die, + gen_subroutine_type_die, gen_typedef_die): Likewise. + + (get_AT_flag): New fn. + (add_src_coords_attributes): Split out... + (add_name_and_src_coords_attributes): From here. + (gen_subprogram_die): Support DW_AT_declaration and + DW_AT_specification. + + (gen_compile_unit_die): Don't emit full pathname for source file; + comment claimed that SGI required it, but they don't emit it either. + Append -g to producer rather than replacing it. + +Tue Oct 1 14:19:23 1996 Jim Wilson <wilson@cygnus.com> + + * gcc.c (used_arg): When call xmalloc for mswitches, pass 1 if + n_switches is zero. + +Mon Sep 30 17:46:26 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (gen_shl_and, gen_shl_sext): Use gen_lowpart to + generate rtx in the appropriate mode for zero/sign-extension. + Don't generate a zero bit shift. + (gen_shl_sext) Directly use gen_ashift instead of gen_ashrsi3. + +Mon Sep 30 17:17:56 1996 Ian Lance Taylor <ian@cygnus.com> + + * fixinc.svr4: In math.h, redefine exception to __math_exception + for C++, to avoid conflict with <exception>. + * fixincludes: Likewise. + Fix check for class in math.h to not match fp_class. + +Mon Sep 30 17:15:19 1996 Jim Wilson <wilson@cygnus.com> + + * iris6.h (ASM_SPEC): Add -w. + (STARTFILE_SPEC): Add mips3 to n32 pathnames. + Add -L/usr/lib32/mips for n32 cases. + (ENDFILE_SPEC): Add mips3 to n32 pathnames. + +Mon Sep 30 13:20:31 1996 Ian Lance Taylor <ian@cygnus.com> + + * genopinit.c (gen_insn): Look through the modes in reverse order, + to avoid stopping early on CC when EXTRA_CC_MODES is used. + + * fixincludes: Add extern "C" to <sys/mman.h> on HP/UX. + +Sun Sep 29 12:39:18 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * c-typeck.c (pointer_diff): Do not do default conversions when + doing the minus expression, in case restype is a short type. + +Sun Sep 29 11:22:10 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (build_complex): Add new argument, TYPE. + * tree.h (build_complex): Likewise. + * c-lex.c (yylex): Add new arg, TYPE, to call to build_complex. + * fold-const.c (const_binop): Likewise. + (fold, case CONJ_EXPR, COMPLEX_EXPR): Likewise. + * varasm.c (copy_constant, case COMPLEX_CST): Likewise. + * expr.c (expand_expr, case COMPONENT_REF): Don't try to directly + load a complex. + * recog.c (register_operand): Don't reject subreg of complex mode. + * emit-rtl.c (mark_user_reg): New function. + * function.c (assign_parms): Use it. + * stmt.c (expand_decl): Likewise, and simplify code. + + * tree.c (contains_placeholder): Return 1 for PLACEHOLDER_EXPR. + + * expr.c (store_expr): memset/bzero gets ptr_mode, not Pmode. + + * stmt.c (expand_asm_operands): Fix errors in previous patches. + + * x-linux: Simplify, but ensure headers aren't changed. + + * getpwd.c: No longer include direct.h for _WIN32. + + * configure (i[3456]86-*-isc*): Remove bogus echo. + (m68k-apple-aux*): a-ux.h renamed from aux.h. + (CC): Escape "$" char in "no-symlink" case for bash/cygwin32 bug. + + * Makefile.in (installdirs): Renamed from install-dir. + Create $(prefix) and $(exec_prefix) if doesn't exist. + (install-float): Reflect new name for installdirs. + (install-{common,info,man,libgcc,multilib,libobjc}): Likewise. + (install-{include-dir,assert-h,collect2}): Likewise. + + * reload1.c (gen_reload): Handle SUBREG in PLUS specially too. + Change calls to emit_move_insn to recursive calls. + + * stmt.c (fixup_gotos): When running undefined labels, if no cleanup + actions for this block, don't clear BEFORE_JUMP. + +Fri Sep 27 13:48:21 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * c-decl.c (init_decl_processing): Create short int types before + creating size_t in case a machine description needs to use + unsigned short for size_t. + +Fri Sep 27 12:28:54 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * gcc.c (do_spec_1): Allow -A in %[Spec]. + + * i386.h (CPP_CPU_SPEC): New. Added for defining the submodel. + + * i386.c (asm_output_function_prefix, function_prologue, + ix86_expand_prologue): Make the routine that sets the GOT (when pic + is enabled) a function, to assist debugging. + + * i386.md (gen_prologue_get_pc): Call the function created above. + (divdf3): Added. + + * i386/dgux.h (CPP_PREDEFINES, CPP_SPEC): Reference CPP_CPU_SPEC. + Use svr4 assembler directive .backalign instead of .align. + (align to x bytes if it takes no more than y bytes to do so.) + + * i386/{aix386ng.h,dgux.h} (CPP_SPEC): Use %[cpp_cpu]. + * i386/{freebsd-elf,gas,isc,linux-aout}.h: Likewise. + * i386/{linux-oldld,linux,osfelf,osfrose,sco,sco4}.h: Likewise. + * i386/{sco4dbx,sco5,sol2,sysv3}.h: Likewise. + +Thu Sep 26 17:58:34 1996 Torbjorn Granlund <tege@matematik.su.se> + + * m68k.md (mulsidi3 matcher): Change predicate const_int_operand + to const_sint32_operand. Get rid of bogus range condition. + +Thu Sep 26 17:12:00 1996 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (stmp-int-hdrs): Don't cd to srcdir before copying + header files to objdir. + +Wed Sep 25 21:22:57 1996 Jeffrey A Law (law@cygnus.com) + + * h8300.h (FIRST_PSEUDO_REGISTER, ARG_POINTER_REGNUM): Bump up by one. + (FIXED_REGISTERS): Add entry for MAC register. + (CALL_USED_REGISTERS, REG_ALLOC_ORDER): Likewise. + (HARD_REGNO_NREGS): Handle MAC register. + (HARD_REGNO_MODE_OK, REGNO_OK_FOR_BASE_P, REGISTER_NAMES): Likewise. + (enum reg_class): New MAC_REGS register class. + (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Corresponding changes. + (REG_CLASS_FROM_LETTER): Likewise. + (REGISTER_MOVE_COST): Make copies to/from MAC register expenseive. + (CONDITIONAL_REGISTER_USAGE): Define. + * h8300.md (movsi_h8300hs): Renamed from movsi_h8300h. + Handle moves to/from the MAC register. + (mac): Two new patterns to use the mac instruction. + + * h8300.c (notice_update_cc): Fix CC_SET case. + (restore_compare_p): Remove unused function. + * h8300.md: Handle "set" vs "set_zn_c0" correctly. + (bCC patterns): No longer need to call restore_compare_p. + + * h8300.c (get_shift_alg): Fix HImode ASHIFTRT by 13 or 14 bits. + +Wed Sep 25 18:52:19 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * sh.md (insv): New pattern. + +Wed Sep 25 16:47:26 1996 Doug Evans <dje@seba.cygnus.com> + + * sparc/t-sunos41 (MULTILIB_{OPTIONS,DIRNAMES,MATCHES}): Create + multilib versions of -fpic and -fPIC. + (TARGET_LIBGCC2_CFLAGS): Comment out. + + * sparc.c (print_operand): Handle new codes H/L. + * sparc.md (lo_sum_di_sp32): Add little endian support. + (adddi3_sp32,subdi3_sp32,mulsidi3_sp32,const_mulsidi3): Likewise. + (umulsidi3_sp32,const_umulsidi3,smacdi,umacdi,anddi3_sp32): Likewise. + (iordi3_sp32,xordi3_sp32,negdi2_sp32): Likewise. + +Wed Sep 25 15:32:35 1996 Jim Wilson <wilson@cygnus.com> + + * expmed.c (store_bit_field): Don't make flag_force_mem disable insv + for memory operands. + + * function.c (instantiate_decl): Always store addr back into x. + +Tue Sep 24 19:37:00 1996 Jim Wilson <wilson@cygnus.com> + + * reload.c (push_secondary_reload): Do strip paradoxical SUBREG + even if reload_class is CLASS_CANNOT_CHANGE_SIZE. Change reload_mode + to mode in SECONDARY_MEMORY_NEEDED and get_secondary_mem calls. + + * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER, + emit after RELOAD_FOR_OUTPUT, in reverse order of reload number, + but not separately. + +Tue Sep 24 18:13:07 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * expr.c (emit_group_load): Allow target to be smaller than source. + +Tue Sep 24 17:40:39 1996 Doug Evans <dje@cygnus.com> + + * m68k/a-ux.h: Renamed from aux.h because of MSDOS. + +Tue Sep 24 08:33:53 1996 David S. Miller (davem@caip.rutgers.edu) + + * tree.c (copy_node): Fix error in last change. + +Tue Sep 24 08:29:03 1996 James G. Smith <jsmith@cygnus.co.uk> + + * gcc.c (used_arg): Fix multilib_matches parsing to not corrupt + entry parameter. + +Tue Sep 24 08:22:18 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (get_condition): Use rtx_equal_p to compare rtx. + +Tue Sep 24 08:14:01 1996 Christian Iseli <Christian.Iseli@lslsun.epfl.ch> + + * integrate.c (expand_inline_function): Avoid creating paradoxical + subreg wider than BITS_PER_WORD as inlined function result. + +Tue Sep 24 08:00:15 1996 Paul Eggert <eggert@twinsun.com> + + * cccp.c (struct directive, directive_table, handle_directive): + pass_thru now 1 for #define and 2 for #pragma. + (handle_directive): When deciding whether to suppress comment at end + of directive, ignore tabs and spaces after comment. Remove redundant + limit test. With -dD -C, copy comment when isolating definition. + (skip_to_end_of_comment): With -C, don't copy newline at end + of C++ comment. + + * fixinc.ptx, fixinc.svr4, fixincludes: Insert newlines just before + end of 'sed' command strings if last 'sed' command is 'a' or 'i'. + +Tue Sep 24 07:28:58 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * toplev.c (PREFERRED_DEBUGGING_TYPE): If no debugging formats are + supported, set to NO_DEBUG. + (main): Don't do setting of PREFERRED_DEBUGGING_TYPE here. + +Mon Sep 23 22:45:15 1996 Sean McNeil <sean@mcneil.com> + + * rs6000/vxppc.h, sparc/vxsim.h: New files. + * configure (powerpc-*-vxworks*, sparc-*-vxsim*): New targets. + * objc/objc.h (BOOL): Define BOOL as int for VxWorks. + +Mon Sep 23 21:23:27 1996 Klaus K"ampf (kkaempf@progis.de) + + * explow.c (promote_mode, case REFERENCE_TYPE): New case. + +Mon Sep 23 21:15:43 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-decl.c (finish_struct): Check PCC_BITFIELD_TYPE_MATTERS value. + + * dbxout.c (dbxout_symbol): Fix forgotten case in last change: + check DECL_ARTIFICIAL also when using the short cut way. + +Mon Sep 23 15:55:24 1996 David S. Miller (davem@caip.rutgers.edu) + + * tree.c (copy_node): Abort if don't know size of node. + + * tree.c (build1): Clean up initialization of OBSTACK. + +Mon Sep 23 15:35:33 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (stmp-multilib): Depend on $(LANG_LIB2FUNCS). + + * dbxout.c (dbxout_function): Don't check DECL_SECTION_NAME before + calling dbxout_function_end. + +Mon Sep 23 14:41:12 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * combine.c (can_combine_p): Even if SMALL_REGISTER_CLASSES, + know lifetime not extended if all_adjacent set. + + * stmt.c (expand_asm_operands): Handle '+' constraint. + * cse.c (fold_rtx): Fold inside ASM_OPERANDS. + + * expr.c (expand_increment): If postincrement for MEM can't use add + directly, load address in reg and enqueue increment and store of reg. + + * loop.c (check_dbra_loop): Don't assume label must be second part of + if_then_else in condjump. + + * jump.c (jump_optimize): In no-nop move deletion, don't test + PRESERVE_DEATH_INFO_REGNO_P; instead test if optimization is performed. + Check for REG_UNUSED note on to-be deleted insn before searching for + preceding instruction to delete note from. + If PRESERVE_DEATH_INFO_REGNO_P is true for SREG, replace INSN with USE. + + * reload1.c (reload): Initialize the previous_offset fields + in reg_eliminate before calling setup_save_areas. + + * reload1.c (emit_reload_insns): Declare and set this_reload_insn. + + * expr.c (var_rtx): New function. + (expand_expr, case COND_EXPR): Also use target if same as singleton. + +Mon Sep 23 14:22:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * recog.c (constrain_operands): Don't test clobbered constraints. + + * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER, + put in front of anything previous for that output, but not separately. + +Sun Sep 22 21:06:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-common.c (decl_attribtes, case A_SECTION): Allow for static + local variable. + +Sun Sep 22 11:30:27 1996 Christian Iseli (christian.iseli@di.epfl.ch) + + * expr.c (convert_move): Replace explicit checks for FP extend ops + with use of can_extend_p. + Add missing tests for FP trunc operations. + +Sun Sep 22 11:20:02 1996 Pat Rankin <rankin@eql.caltech.edu> + + * dwarfout.c (DWARF_VERSION): Define as 1 if not already defined. + * dwarf2out.c (DWARF_VERSION): Likewise. + +Sun Sep 22 11:12:20 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * c-decl.c (pushdecl): Check new declaration actually conflicts before + warning about implicit external vs. static declarations. + + * loop.c (combine_givs): Improve combining DEST_REG giv with only use. + +Sun Sep 22 10:50:03 1996 Scott Christley <scottc@net-community.com> + + * Create consistent mechanism for memory allocation and release + so that garbage collection routines can be easily subsititued + for the ANSI standard malloc, realloc, free, etc. + * objc/archive.c: Replace use of __objc_xmalloc and free + with objc_malloc and objc_free. + * objc/hash.c: Replace use of __objc_xcalloc and free + with objc_calloc and objc_free. + * objc/init.c: Replace use of free with objc_free. + * objc/misc.c (objc_malloc): Renamed from __objc_xmalloc. + (objc_realloc): Renamed from __objc_realloc. + (objc_atomic_malloc, objc_valloc): New functions. + (objc_calloc): Renamed from __objc_calloc. + (objc_free): New function. + * objc/objc-api.h (_objc_malloc): New function pointer. + (_objc_atomic_malloc, _objc_valloc): Likewise. + (_objc_realloc, _objc_calloc, _objc_free): Likewise + * objc/objc-list.h: Replace use of __obj_xmalloc and free + with objc_malloc and objc_free. + * objc/objects.c: Likewise. + * objc/sarray.c: Replace use of __objc_xmalloc and free + with objc_malloc and objc_free. + * objc/sarray.h (__objc_xmalloc, __objc_xrealloc): Delete. + * objc/selector.c: Replace use of __objc_xcalloc, __objc_xrealloc, + and __objc_xmalloc with objc_calloc, objc_realloc, and objc_malloc. + * objc/thr-decosf1.c: Replace use of __objc_xmalloc and free + with objc_malloc and objc_free. + * objc/thr-irix.c, objc/thr-mach.c, objc/thr-os2.c: Likewise. + * objc/thr-posix.c, objc/thr-pthreads, objc/thr-single: Likewise. + * objc/thr-solaris.c, objc/thr-win32.c, objc/thr.c: Likewise. + +Sun Sep 22 05:26:01 1996 Jason Merrill <jason@yorick.cygnus.com> + + * configure: Set up LANG_LIB2FUNCS and LANG_EXTRA_HEADERS. + * Makefile.in (libgcc2.a): Include LANG_LIB2FUNCS. + (USER_H): Add LANG_EXTRA_HEADERS. + (LANG_LIB2FUNCS): New macro. + (LANG_EXTRA_HEADERS): New macro. + (stmp-int-hdrs): Don't hardwire ginclude. + (stamp-objlist): Don't depend on Makefile. + +Sat Sep 21 18:00:10 1996 Stephen L Moshier (moshier@world.std.com) + + * alpha.md (alpha_swapped_comparison_operator pattern): Fix asm + operand typo in last change. + +Sat Sep 21 07:11:51 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * defaults.h (ASM_OUTPUT_LABELREF): Provide default definition + if not already defined. + * 1750a.h (USER_LABEL_PREFIX): Define instead of ASM_OUTPUT_LABELREF. + * a29k.h, alpha.h, convex.h, dsp16xx.h, elxsi.h, fx80.h: Likewise. + * gmicro.h, h8300.h, i386/sun386.h, i860.h, i960.h, ns32k.h: Likewise. + * pdp11.h, pyr.h, romp.h, sh.h, sparc.h, spur.h, tahoe.h: Likewise. + * vax.h, we32k.h: Likewise. + * i386/att.h (USER_LABEL_PREFIX): Redefine, not ASM_OUTPUT_LABELREF. + * i386/bsd.h, i386/lynx.h, i386/sco5.h, i860/fx2800.h: Likewise. + * m68k/3b1.h, m68k/mot3300.h, m68k/tower-as.h, m68k/tower.h: Likewise. + * ptx4.h, sparc/pbd.h, svr3.h, svr4.h: Likewise. + * i386/osfrose.h, m88k.h (USER_LABEL_PREFIX): Redefine. + * nextstep.h (USER_LABEL_PREFIX): Redefine. + (ASM_OUTPUT_LABELREF) Use USER_LABEL_PREFIX. + * arm/aout.h, mips.h (ASM_OUTPUT_LABELREF): Delete. + * rs6000/lynx.h (USER_LABEL_PREFIX): Undefine. + * rs6000.h, rs6000/win-nt.h (USER_LABEL_PREFIX): Define. + +Thu Sep 19 00:05:53 1996 Jason Merrill <jason@yorick.cygnus.com> + + * configure: Move i[3456]86-*-gnu* case after linux and don't + treat linux-gnu like other gnu systems. + +Wed Sep 18 20:51:09 1996 Jason Merrill <jason@yorick.cygnus.com> + + * cplus-dem.c (demangle_template): Fix handling of address args. + (gnu_special): Handle type_info stuff. + +Wed Sep 18 17:57:55 1996 Patrik Lantto (patrik@opq.se) + + * jump.c (jump_optimize): Insert conditional move after jump + insn instead of before. + +Wed Sep 18 17:33:36 1996 Richard Henderson <rth@tamu.edu> + + * alpha.h (PREDICATE_CODES): Add alpha_swapped_comparison_operator. + * alpha.c (alpha_swapped_comparison_operator): New function. + (print_operand): Support unsigned codes for %D, %c, and %d. + * alpha.md: Add pattern for b%c with swapped comparisons with 0. + Delete three unnamed cmp patterns that are strict subsets of it. + + * alpha.c (alpha_emit_set_long_const): Save one instruction + when -O2 and high word == low word. + +Tue Sep 17 22:46:15 1996 Jason Merrill <jason@yorick.cygnus.com> + + * i386/unix.h (ASM_OUTPUT_MI_THUNK): Handle functions + returning an aggregate. + + * varasm.c (supports_one_only): New function. + (make_decl_one_only): Likewise. + * svr4.h (MAKE_DECL_ONE_ONLY): Define. + * tree.h (DECL_ONE_ONLY): New macro. + + * varasm.c (assemble_variable): Fix setting of + first_global_object_name. + (assemble_start_function): Likewise. + +Tue Sep 17 19:42:39 1996 Doug Evans <dje@wabamun.cygnus.com> + + * i386/t-cygwin32 (winnt.o): Compile properly. + +Tue Sep 17 15:47:20 1996 Ian Lance Taylor <ian@cygnus.com> + + * Add support for R5000, and finish MIPS4 support. + * mips.h (enum processor_type): Add PROCESSOR_R5000. + (gen_conditional_move): Declare. + (CONDITIONAL_REGISTER_USAGE): Mark ST_REGS as fixed if not + HARD_FLOAT, or if mips_isa < 4. + (FIRST_PSEUDO_REGISTER): Change to 76. + (FIXED_REGISTERS): Add condition code registers. + (CALL_USED_REGISTERS): Likewise. + (ST_REG_LAST): Change to 74. + (RAP_REG_NUM): Change to 75. + (ST_REG_P): Look for any condition code register. + (REG_CLASS_CONTENTS): Update for new condition code registers. + (RTX_COSTS): Add cases for R5000. + (REGISTER_MOVE_COST): Add cases for condition code registers. + (PREDICATE_CODES): Add "const_float_1_operand". + (EXTRA_CC_{MODES,NAME}, SELECT_CC_MODE): Remove. + (REGISTER_NAMES): Add entries for new condition code registers. + (DEBUG_REGISTER_NAMES): Likewise. + (ADDITIONAL_REGISTER_NAMES): Remove FPSW_REGNUM. + * mips.md (cpu attribute): Add R5000. + (function units): Add cases for the R5000. + ({madd,msub,nmadd,nmsub}.d): Only available if TARGET_DOUBLE_FLOAT. + (recip.d, recip.s, rsqrt.d, rsqrt.s): New define_insn patterns. + (movcc): New pattern to move condition code values. + (reload_incc, reload_out_cc): New define_expand patterns. + (lwxc1, ldxc1, swxc1, sdxc1): Several new define_insn patterns. + (various): Replace CC_FP with CC. + (branch_fp_ne, branch_fp_eq): Match any condition code register. + (branch_fp_ne_rev, branch_fp_eq_rev): Remove. + (seq_df, slt_df, sle_df): Match any condition code register. + (sgt_df, sge_df, seq_sf, slt_sf, sle_sf, sgt_sf, sge_sf): Likewise. + (sne_df, sne_sf): Remove. + (FP conditional moves): Match any condition code register. + Require TARGET_HARD_FLOAT and, if appropriate, TARGET_DOUBLE_FLOAT. + (movsicc): Just call gen_conditional_move. + (movdicc, movsfcc, movdfcc): New define_expand patterns. + * mips.c (mips_reg_names): Add condition code registers. + (mips_sw_reg_names, mips_regno_to_class): Likewise. + (const_float_1_operand): New function. + (mips_move_1word): Treat CCmode as SImode. Handle move from + ST_REG to GR_REG if mips_isa >= 4. Only permit move from GR_REG + to ST_REG is mips_isa < 4. + (gen_conditional_branch): Rewrite. Just use CCmode, not extra + condition modes. + (gen_conditional_move): New function. + (override_options): Recognize vr5000. Look for just CCmode, not + extra condition modes. If mips_isa >= 4, permit CCmode in GR_REGS + and FP_REGS. + (print_operand): Handle %Z. + (mips_secondary_reload_class): Require a data register to copy a + value out of a condition code register. Require a floating point + register to copy a value into a condition code register. + +Tue Sep 17 15:10:29 1996 Joern Rennecke <amylaar@cygnus.co.uk> + + * sh.md: New define_splits to recombine output from LEGITIMIZE_ADDRESS. + * sh.h (LEGITIMIZE_ADDRESS): Typo fixes (x -> X). + +Mon Sep 16 23:00:35 1996 Jim Wilson <wilson@cygnus.com> + + * configure (build_broken_install): Renamed from host_broken_install. + Set from build not host. + (build_install_headers): Renamed from host_install_headers. Set from + build not host. + +Mon Sep 16 22:38:55 1996 Stu Grossman (grossman@critters.cygnus.com) + + * configure (m68k-*-coff*): Use dbx debug format by default. + * gcc.c (link_command_spec): Move -T to end of link command line. + * m68k/m68kemb.h (LINK_SPEC, SUBTARTGET_SWITCHES): Delete. + (LIB_SPEC): Define to just -lc. + (STARTFILE_SPEC): Define to empty. + +Mon Sep 16 13:12:27 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (ext_shift_insns, ext_shift_amounts): New arrays. + (gen_ashift_hi, gen_shifty_hi_op, shl_and_kind): New functions. + (rtx_equal_function_value_matters): Declare. + (shl_and_length, shl_and_src_length, gen_shl_and): New functions. + (shl_sext_kind, shl_sext_length, gen_shl_sext): Likewise. + * sh.md (ashlhi3_k, lshrhi3_m): New patterns. + (lshrhi3, shl_sext_ext, shl_sext_sub): + New insn patterns with matching define_split. + (and_shl_scratch): Likewise, but also with unnamed variants. + +Sat Sep 14 17:05:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (convert_filename): Don't start looking for '.' until + after last directory separator. + + * i386.md (clrstrsi): Correct check for constant size. + + * Based on code by sac@cygnus.com. + * i386/cygwin32.h (CHECK_STACK_LIMIT): Make consistent with MD file. + * i386.c ({function,ix86_expand}_prologue): Use __alloca to allocate + stack if desired and beyond CHECK_STACK_LIMIT in size. + * i386.h ({MASK,TARGET}_STACK_PROBE): New macros. + (TARGET_SWITCHES): Add -mstack-arg-probe. + * i386.md (allocate_stack{,_worker}): New patterns. + +Fri Sep 13 18:23:18 1996 Joel Sherrill <joel@OARcorp.com> + + * sparc/lb1spc.asm (.div, .rem): Fixed typo so sign is returned + correctly. TOPBITS was 2 and should have been 4. + +Thu Sep 12 21:51:56 1996 Jim Wilson <wilson@cygnus.com> + + * mips.md (call_value_multiple_internal0): Change from define_insn to + define_expand. + +Thu Sep 12 19:22:14 1996 Doug Evans <dje@seba.cygnus.com> + + * sparc.md (move_pic_label_si): Operand one is label_ref now. + * sparc.c (emit_move_sequence): Pass label_ref to + gen_move_pic_label_si to not lose flags. + +Wed Sep 11 12:10:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * Makefile.in (GCC_PASSES): Add $(exeext) to names. + (FLAGS_TO_PASS): Add CLIB. + (c-pragma.o): Add dependencies on except.h, function.h, defaults.h. + +Tue Sep 10 22:25:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (i[3456]86-*-cygwin32): Use xm-cygwin32.h and xm-i386.h. + Set fixincludes to Makefile.in and objc_thread_file to win32. + * i386/xm-cywin32.h: Don't include xm-i386.h. + * i386/x-cygwin32, rs6000/x-cygwin32 (STMP_FIXPROTO, exeext): New defs. + + * gcc.c (HAVE_EXECUTABLE_SUFFIX): New macro. + (convert_filename): New function. + (process_command, case 'o'): Call it. + (process_command, default case): Likewise; delete old code. + +Tue Sep 10 21:08:43 1996 Torbjorn Granlund <tege@albert.gnu.ai.mit.edu> + + * i386.md (decrement_and_branch_until_zero matcher): Fix typo. + +Tue Sep 10 19:04:19 1996 Jim Wilson <wilson@cygnus.com> + + * mips.c (mips_move_2words): Rewrite 32 bit shifts as 16 bit shifts. + +Tue Sep 10 10:39:07 1996 Jeffrey A Law (law@cygnus.com) + + * pa/pa-gas.h (DBX_DEBUGGING_INFO): Remove all #define + and #undef statements related to debugging information. + * pa/pa-hpux.h, pa-hpux7.h: Likewise + * pa.c (override_options): Disable "-g" and issue a warning + if it's used when !TARGET_GAS. + +Mon Sep 9 17:57:49 1996 Doug Evans <dje@wabamun.cygnus.com> + + * sparc.h ({MASK,TARGET}_FPU_SET): Define. + (TARGET_SWITCHES): Record if -m{,no-}fpu passed. + * sparc.c (sparc_override_options): Don't clobber explicit + -m{,no-}fpu setting with cpu default. + +Mon Sep 9 15:57:57 1996 Joel Sherrill <joel@OARcorp.com> + + * configure (mips64orion-*-rtems*): New target. + * mips/rtems64.h: New file. + +Sat Sep 7 22:07:53 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_field): If storing a record on big endian targets, + set up so we store the high-order bits. + (expand_expr, case COMPONENT_REF): Likewise for loads. + +Thu Sep 5 14:59:47 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (LEGITIMIZE_ADDRESS): Define nonempty. + +Thu Sep 5 10:43:36 1996 Jeffrey A Law (law@cygnus.com) + + * pa.md (mov{si,di,sf}): Handle 'R' constraints as needed. + +Wed Sep 4 17:13:28 1996 Bob Manson <manson@charmed.cygnus.com> + + * except.c: (add_partial_entry): New routine. + (expand_start_try_stmts): Moved from cp/except.c. + (expand_start_all_catch): Move functionality of expand_end_try_stmts + here. + +Wed Sep 4 12:30:02 1996 Mike Stump <mrs@cygnus.com> + + * except.c (emit_unwinder): Ensure CLOBBER and USE insns come last, + if present. + +Tue Sep 3 12:01:43 1996 Ian Lance Taylor <ian@cygnus.com> + + * configure (sh-*-elf*): New target. + * sh/elf.h: New file. + +Fri Aug 30 17:52:26 1996 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (gen_formal_types_die): Delete extra argument from + gen_type_die call. + +Fri Aug 30 15:40:40 1996 James G. Smith <jsmith@cygnus.co.uk> + + * mips/elf64.h: Allow MULTILIB_DEFAULTS to be defined + before this file is included. + +Fri Aug 30 15:00:06 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.md: (movsicc,movhicc): Allow reload from memory. + + * i386.c (override_options): Don't thread the prologue if profiling. + +Fri Aug 30 15:00:06 1996 James Hawtin <cgjwh@sunrise.co.uk> + + * i386/t-sol2 (gcrt1.o): Added for profiling Solaris 2 + * i386/sol2.h (STARTFILE_SPEC): New. + * i386/gmon-sol2.c, i386/sol2-gc1.asm: New files. + +Thu Aug 29 22:08:03 1996 Jim Wilson <wilson@cygnus.com> + + * except.c (add_eh_table_entry): Multiply realloc size by sizeof int. + +Thu Aug 29 15:15:31 1996 Jeffrey A Law (law@cygnus.com) + + * pa.md (fcmp patterns): Don't try to eliminate useless add,tr + insns here. + * pa.c (pa_reorg): Do elimination of useless add,tr insns here instead. + (print_operand, case 'y'): Remove this code. + +Wed Aug 28 16:19:34 1996 Doug Evans <dje@cygnus.com> + + * toplev.c (print_single_switch): Ultrix fprintf returns 0 for success. + + * toplev.c (main): Rewrite -g parsing. + +Mon Aug 26 16:15:49 1996 Fred Fish <fnf@cygnus.com> + + * Makefile.in (objc-parse.y): Fix typo in name of temp file. + +Mon Aug 26 14:08:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (mark_all_temps_used): Fix error in last change. + +Sun Aug 25 22:27:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (mark_all_temps_used): New function. + +Fri Aug 23 11:34:57 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Fixes to make -fPIC + really the same as -mrelocatable. + (ASM_SPEC): Pass -K PIC to the assembler if -fpic/-fPIC. + + * rs6000/sol2.h (ASM_CPU_SPEC): Remove passing -K PIC to the + assembler if -fpic/-fPIC. + + * bi-{arity,opcode,opname}.c (fancy_abort): Define, so that + -Dabort=fancy_abort works again. + +Thu Aug 22 11:39:34 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/t-ppcgas ({stmp,install}-crt): Only build and install the + eabi ecrt[in].o object files in eabi multilib directories, only + build and install the solaris scrt[in0].o object files in solaris + directories. + (MULTILIB_MATCHES): Remove matches for solaris, linux to other + switches. + +Tue Aug 20 18:49:55 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): If -mrelocatable or + -mrelocatable-lib, don't make read-only sections. + +Mon Aug 19 18:42:13 1996 Doug Evans <dje@cygnus.com> + + * sparc.h ({MASK,TARGET}_LITTLE_ENDIAN): Define. + (LIBGCC2_WORDS_BIG_ENDIAN): Add little endian support. + * sparc/sp64-elf.h ({CPP,ASM,LINK}_SPEC): Add little endian support. + (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian. + ({BYTES,WORDS}_BIG_ENDIAN): Likewise. + * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian. + ({CPP,ASM,LINK}_SPEC): Add little endian support. + ({BYTES,WORDS}_BIG_ENDIAN): Likewise. + * sparc/t-splet (MULTILIB_{OPTIONS,DIRNAMES}): Likewise. + + * sparc/lynx-ng.h (CPP_SPEC): Use %(cpp_cpu). + +Sat Aug 17 15:23:39 1996 Geoffrey Noer <noer@cygnus.com> + + * i386/cygwin32.h (CPP_PREDEFINES): Define _WIN32, not WIN32. + Define only __CYGWIN32__, not CYGWIN32 or __CYGWIN32. + * rs6000/cygwin32.h (CPP_PREDEFINES): Likewise. + * cccp.c (absolute_filename): Drive specifiers make the pathname + absolute in cygwin32. + * choose-temp.c: Delete !defined(_WIN32) condition when including + sys/file.h (NO_SYS_FILE_H is still used). + * gcc.c: Change ifndef _WIN32 to ifndef NO_SYS_FILE_H when deciding + whether to include sys/file.h. + (execute): -pipe is supported for cygwin32. + * getopt.c: Change win32 test from WIN32 to _WIN32. + * pexecute.c: Update test for win32 (&& ! cygwin32). + * protoize.c: Likewise. + (kill): Delete decl. + * toplev.c: Update test for win32 (&& ! cygwin32). + * ginclude/stdarg.h: Change __WIN32__ to _WIN32. + * ginclude/varargs.h: Likewise. + * ginclude/va-ppc.h: Likewise. + +Fri Aug 16 16:02:09 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (rs6000_got_register): Make sure pic_offset_table_rtx + allocated, even if current_function_uses_pic_offset_table set. + +Fri Aug 16 15:56:04 1996 J. Kean Johnston <hug@netcom.com> + + * i386/sco5.h (CLASS_LIKELY_SPILLED_P): Deleted. + (STARTFILE_SPEC): Insert crtbegin.o in correct place, and correct + versions of values-X?.o. + (SWITCH_TAKES_ARG): Extend DEFAULT_SWITCH_TAKES_ARG, not replace. + (CPP_SPEC): Add -Di386, and correctly include extra directories. + Define HAVE_ATEXIT in ELF mode for global destructors. + +Thu Aug 15 16:42:44 1996 Doug Evans <dje@cygnus.com> + + * sparc.c (label_ref_operand): New function. + (emit_move_sequence): Pass label_ref to gen_move_label_di to not + lose flags. + * sparc.md (move_label_di): Operand one is label_ref now. + * genattrtab.c (write_test_expr): Allow label_ref in match_dup. + + * sys-protos.h (gethostid): Make return type `int' ifdef __alpha__. + * gen-protos.c: Delete support for SYS_PROTO_OVERRIDES. + * alpha.h (SYS_PROTO_OVERRIDES): Delete. + +Thu Aug 15 17:36:09 1996 Mike Stump <mrs@cygnus.com> + + * libgcc2.c (__throw): New routine. + (__eh_pc): New data object for exception handling. + + * except.c (eh_saved_pc): New object so we can call + assemble_external. + (expand_internal_throw_indirect): Call assemble_external for __eh_pc. + (end_eh_unwinder): Likewise. + (init_eh): Initialize eh_saved_pc. + +Thu Aug 15 13:02:42 1996 Mike Stump <mrs@cygnus.com> + + * arm.h (RETURN_ADDR_RTX): Define. + + * expr.c (expand_builtin_return_addr): Fix order of parameters. + +Wed Aug 14 19:48:00 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu> + + * stmt.c (expand_return): In code for doing scc with jumps, + stick to default handling if we have corresponding scc pattern. + +Wed Aug 14 10:31:28 1996 Jeffrey A Law (law@cygnus.com) + + * pa.c (override_options): Treat TARGET_FAST_INDIRECT_CALLS + just like TARGET_NO_SPACE_REGS. + (output_millicode_call): Likewise. + * pa.h (TARGET_FAST_INDIRECT_CALLS): Define. + (TARGET_SWITCHES): Add "fast-indirect-calls". + * pa.md (TARGET_FAST_INDIRECT_CALLS): Treat just like + TARGET_NO_SPACE_REGS in various call/millicode call patterns. + + * pa.c (print_operand): Use the right comparison operator + for reversed EQ and NE comparisons. + + * pa.h (OUTPUT_MI_THUNK): Define. + +Wed Aug 14 11:40:49 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * ginclude/va-ppc.h: Add Windows NT support. + * ginclude/{varargs,stdarg}.h: For PowerPC Windows NT, include + va-ppc.h, instead of using the default handling. + +Tue Aug 13 18:30:10 1996 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Remove duplicate volatile from sig_atomic_t in AIX + sys/signal.h + +Tue Aug 13 16:51:37 1996 Jim Wilson <wilson@cygnus.com> + + * i960-coff.h (LIB_SPEC): Undef. + + * sh.h (PROFILE_BEFORE_PROLOGUE): Define. + +Tue Aug 13 11:36:02 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * gcc.c (set_spec,process_command): Dump and load the compiler + version number in the specs file. + + * rs6000.c (output_toc): Fix last change, so that it doesn't use + an uninitialized variable if -mminimal-toc. + (output_prolog): Increment probe_labelno after last use. + + * rs6000/t-ppcgas (MULTILIB_*): Build far fewer multilib + libraries. Build all libraries with -mrelocatable-lib and + -mno-eabi. Build special GNU/Linux and Solaris libraries. + * rs6000/eabi{,aix,le}.h (MULTILIB_DEFAULTS): Adapt to changes in + t-ppcgas. + * rs6000/(linux,sol2,sysv4,sysv4le).h (MULTILIB_DEFAULTS): Likewise. + +Tue Aug 13 11:36:02 1996 Jeffrey A Law (law@cygnus.com) + + * rs6000.c (handle_mac_pragma): Initialize "psize". + +Mon Aug 12 18:14:35 1996 Jim Wilson <wilson@cygnus.com> + + * gcc.c (used_arg): Initialize cnt to zero. + +Mon Aug 12 14:03:16 1996 Jim Wilson <wilson@cygnus.com> + + From Mike Stump: + * sh.c (regno_reg_class): Change entry 23 from NO_REGS to GENERAL_REGS. + (initial_elimination_offset): New variable live_regs_mask. Add + code to handle RETURN_ADDRESS_POINTER_REGNUM. + * sh.h (RAP_REG, RETURN_ADDRESS_POINTER_REGNUM): Define. + (ELIMINABLE_REGS): Add RETURN_ADDRESS_POINTER_REGNUM support. + (RETURN_ADDR_RTX): Define. + (REGISTER_NAMES): Add rap. + + * iris5.h (DOLLARS_IN_IDENTIFIERS): Undefine. + + * m68kemb.h (LIB_SPEC): Always emit -lc. + +Mon Aug 12 12:30:25 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (rs6000_got_register): Test variable + current_function_uses_pic_offset_table to see whether or not a GOT + register has been created already. + + * Makefile.in (multilib.h): Move to stamp-mlib. + (stamp-mlib): Use move-if-change to conditionally update + multilib.h. Pass MULTILIB_EXTRA_OPTS to genmultilib. + (STAGESTUFF): Add stamp-mlib. + (mostlyclean): Delete tmp-mlib.h. + + * genmultilib: Take fifth argument for options to all multilib builds. + Restructure output so we pass synonym switches and extra arguments + separately, and not exponentially slow down genmultilib. + + * gcc.c (toplevel): Rearrange multilib support so we support passing + synonyms separately from normal switches. Add support for passing + additional switches for all multilib builds. Dump and restore value + of MULTILIB_DEFAULTS. + (setspec, process_command, main): Likewise. + (used_arg,default_arg,print_multilib_info): Likewise. + +Mon Aug 12 07:46:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_builtin, case BUILT_IN_SETJMP): Add test + and call for nonlocal_goto_receiver pattern. + * stmt.c (expand_end_bindings): Likewise. + + * stmt.c (expand_asm_operands): Fix off-by-one error when + scanning constraints. + +Sun Aug 11 22:48:02 1996 Jason Merrill <jason@yorick.cygnus.com> + + * expr.c (store_expr): Handle COND_EXPR cleanups like expand_expr. + +Sun Aug 11 22:42:36 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * optabs.c (expand_abs): When OP0 and TARGET are the same + pseudo register, it is safe to use TARGET. + + * local-alloc.c (reg_equiv_replace): New variable. + (update_equiv_regs): Set reg_equiv_replacement for all REG_EQUIV + notes encountered or generated. + +Sun Aug 11 22:27:14 1996 Scott Christley <scottc@net-community.com> + + * objc/hash.c (hash_is_key_in_hash): Function somehow got lost. + +Sun Aug 11 21:43:15 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * ginclude/stddef.h (__need_wint_t): Move #undef to right place. + +Sun Aug 11 17:46:22 1996 J"orn Rennecke <amylaar@cygnus.co.uk> + + * c-decl.c (finish_struct): If pedantic, also warn if struct/union + has no named members. + +Sun Aug 11 17:32:52 1996 Joel Sherrill <joel@OARcorp.com> + + * i386/rtems.h: Renamed from i386/i386-rtems.h + * i960/rtems.h: Renamed from i960/i960-rtems.h + * m68k/rtems.h: Renamed from m68k/m68k-rtems.h + * rs6000/rtems.h: Renamed from rs6000/powerpc-rtems.h + * sparc/rtems.h: Renamed from sparc/sparc-rtems.h + * config/t-rtems: New file. + * configure (i386-*-rtems*): Added t-rtems to tmake_file. + Renamed i386/i386-rtems.h to i386/rtems.h. + (i960-*-rtems*): Added t-rtems to tmake_file. + Renamed i960/i960-rtems.h to i960/rtems.h. + Added original tm.h file and dbxcoff.h. + (m68k-*-rtems*): Added t-rtems to tmake_file. + Renamed m68k/m68k-rtems.h to m68k/rtems.h. + (powerpc-*-rtems*): Added t-rtems to tmake_file. + Renamed rs6000/powerpc-rtems.h to rs6000/rtems.h. + (sparc-*-rtems*): Added t-rtems to tmake_file. + Renamed sparc/sparc-rtems.h to sparc/rtems.h. + +Fri Aug 9 16:05:13 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.md: (untyped_call) Avoid SIGFPE. + + * i386.c (output_float_compare): Don't try to initialize + aggregate local variable; use assignment statements instead. + + * i386.h (RTX_COSTS): rtx_cost should pass two parameters. + + * i386/go32.h (ASM_OUTPUT_SECTION_NAME): New. + +Fri Aug 9 16:00:11 1996 Jim Wilson <wilson@cygnus.com> + + * winnt.c (gen_stdcall_suffix): Round parameter size to PARM_BOUNDARY. + +Thu Aug 8 17:42:35 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (output_toc): If we are emitting a reference to a + vtable, don't put in the section name, just use the symbol. + +Wed Aug 7 19:03:36 1996 Jim Wilson <wilson@cygnus.com> + + * sh.md (casesi_jump): New pattern. + (casesi): Generate RTL to match it. + +Wed Aug 7 14:10:07 1996 Jason Merrill <jason@yorick.cygnus.com> + + * ginclude/stddef.h (NULL): Use __null for G++. + +Tue Aug 6 17:37:53 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (STACK_BOUNDARY): Always define as 64. + (ABI_STACK_BOUNDARY): Define as 64/128 based on the -mno-eabi + switch. + + * rs6000.c (rs6000_stack_info): Use ABI_STACK_BOUNDARY, not + STACK_BOUNDARY. Define ABI_STACK_BOUNDARY as STACK_BOUNDARY #ifndef. + +Tue Aug 6 14:29:43 1996 Doug Evans <dje@fallis.cygnus.com> + + * gen-protos.c (overrides): New static local. + (add_hash,parse_fn_proto): New static functions. + (main): Add prototypes from SYS_PROTO_OVERRIDES to hash table before + parsing sys-protos.h. Reserve entry 0 in std_protos. + * alpha.h (SYS_PROTO_OVERRIDES): Define. + +Mon Aug 5 16:53:36 1996 Doug Evans <dje@fallis.cygnus.com> + + * sparc/t-splet (MULTILIB_OPTIONS): Add mbroken-saverestore. + (MULTILIB_DIRNAMES): Add brknsave. + + * stor-layout.c (layout_record): Correct overflow test for 0 sized + fields. + +Mon Aug 5 16:12:19 1996 Jim Wilson <wilson@cygnus.com> + + * alpha.c (alpha_output_filename): When emitting stabs, don't + disable them if using GNU as. + (alpha_output_lineno): Likewise, when not using GNU as. + + * sh.c (arith_reg_operand): Reject SUBREG of an invalid hard reg. + + * sparc/lite.h (aoutos.h): Don't include it. + * configure (sparclite-*-aout*): Add aoutos.h to tm_file. + +Sat Aug 3 23:13:55 1996 Jeffrey A Law (law@cygnus.com) + + * combine.c (rtx_equal_for_field_assignment_p): Check for + get_last_value returning (CLOBBER (CONST_INT 0)). + +Sat Aug 3 20:19:14 1996 Jim Wilson <wilson@cygnus.com> + + * i960.md (subsi3+1): Handle case where first operand is constant + but second operand is not. + + * m68k/vxm68k.h (WCHAR_TYPE_SIZE): Undef, then define to 16. + +Fri Aug 2 15:46:19 1996 Jeffrey A Law (law@cygnus.com) + + * pa/pa-hpux.h (LINK_SPEC): Don't link in PA1.1 specific + libraries when creating shared libraries. + * pa/pa-hpux9.h, pa/pa-hpux10.h: Likewise. + +Fri Aug 2 13:36:42 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (output_float_compare): fcomi should be followed by the + correct conditional jump instead of fcom/pfstsw/and/jne + (override_options): Added -mbranch-cost to set BRANCH_COST. + + * i386.md (sgt+1,slt+1,sge+1,sle+1,bgt+1,blt+1,bge+1,ble+1,bleu+4) + Added TARGET_CMOVE check for fcomi. + (movsicc_1+1,movhicc_1+1): Added to handle the general case. + + * i386.h (i386_branch_cost, i386_branch_cost_string): Added. + +Fri Aug 2 11:53:55 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * sparc/vxsparc.h (CPP_PREDEFINES): Add `-DCPU=SPARC'. + +Thu Aug 1 23:56:01 1996 Jeffrey A Law (law@cygnus.com) + + * pa.h (ASM_OUTPUT_INT): Remove all hacks for exception table. + +Thu Aug 1 10:08:14 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu> + + * m68k.h (RTX_COSTS, case PLUS): Get operand order right. + +Wed Jul 31 15:06:46 1996 Doug Evans <dje@cygnus.com> + + * sparc.md (negtf2,abstf2): Fix v9 case. + +Wed Jul 31 09:49:25 1996 Jeffrey A Law (law@cygnus.com) + + * pa.h (ASM_OUTPUT_INT): Use an 'E%' prefix for items in + the exception table if TARGET_GAS && ! TARGET_PORTABLE_RUNTIME. + +Tue Jul 30 15:37:31 1996 Jim Wilson <wilson@cygnus.com> + + * i386/cygwin32.h (dbxcoff.h): Include. + (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE): + Move definitions before include of dbxcoff.h. + (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_MAIN_SOURCE_FILE_END): Delete. + (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_FUNCTION_FIRST): Delete. + +Tue Jul 30 15:03:53 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu> + + * i960.md (eq reg (const_int 0)): New pattern. + +Tue Jul 30 11:15:44 1996 Jeffrey A Law (law@cygnus.com) + + * pa.h (RETURN_ADDR_RTX): Offset is -20 from the frame, not +20! + +Mon Jul 29 12:16:17 1996 Jeffrey A Law (law@cygnus.com) + + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix thinko in last change. + +Fri Jul 26 18:19:47 1996 Doug Evans <dje@cygnus.com> + + * dwarfout.c (output_bound_representation): Fix typo. + +Thu Jul 25 16:00:10 1996 Mike Stump <mrs@cygnus.com> + + * expr.c (do_jump, case TRUTH_ORIF_EXPR): Ensure end of an + exception region comes after its start. + (do_jump, case TRUTH_ANDIF_EXPR): Likewise. + +Thu Jul 25 13:36:42 1996 Stan Cox <coxs@equinox> + + * i386.c (output_float_compare): Added support for Pentium Pro + fcomi instruction which sets EFLAGS instead of FPU Status Word. + +Wed Jul 24 21:48:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (canon_hash, cse_insn): MEM is not unchanging if it is + in the frame (since the temp slot might be reused). + +Wed Jul 24 17:34:06 1996 J"orn Rennecke (amylaar@cygnus.com) + + * sh.md (branch_true, branch_false, inverse_branch_true): Express + tests of the T bit as comparisons against zero, rather than one. + (inverse_branch_false, beq, bne, bgt, blt, ble, bge, bgtu): Likewise. + (bltu, bgeu, bleu, casesi): Likewise. + +Wed Jul 24 15:58:06 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.md: (mov{sf,df,xf}cc{,_1}): New patterns for P6 FP cmove. + * i386.c (put_condition_code, print_operand, output_fp_cc0_set): + Support fcmov suffixes. + +Wed Jul 24 10:53:38 1996 Jeffrey A Law (law@cygnus.com) + + * pa.c (move_operand): Relax "mode" test. Allow scaled + indexed addressing modes. + (output_fp_move_double): Tweak output strings to work with updated + 'F' and 'M' output modifiers. + (print_operand): Collapse 'F' and 'M' into a single hunk of code. + For auto-increment modes output "s,ma" and "s,mb". + For scaled indexing modes output "x,s" + For other addresses, output nothing for 'M' and "s" for 'F'. + * pa.h (EXTRA_CONSTRAINT): Don't accept scaled indexed addresses + for 'Q' and 'T'. Do accept scaled indexed addresses for 'R'. + (GO_IF_LEGITIMATE_ADDRESS): Accept scaled indexed addresses + for SFmode and DFmode. + * pa.md: Remove all scaled indexed load patterns. + (movsi patterns): Accept scaled indexed addresses in some + cases. Update output strings for updated 'M' and 'F' output modifiers. + (movhi, movqi, movsf, movdf, movdi patterns): Likewise. + +Tue Jul 23 23:10:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.h (struct tree_int_cst): Add field for TREE_CST_RTL. + * varasm.c (decode_addr_const, output_constant_def): AllowINTEGER_CST. + +Tue Jul 23 16:42:09 1996 Jim Wilson <wilson@cygnus.com> + + * sh.c (reg_unused_after): Handle JUMP_INSN inside a sequence. + +Tue Jul 23 16:33:25 1996 Mike Stump <mrs@cygnus.com> + + * Make exception handling work better when optimizations are on. + * except.c, except.h: New files. + * Makefile.in (OBJS): Add except.o. + (except.o): Add. + (stmt.o, final.o): Add except.h. + * rtl.c (note_insn_name): Add NOTE_INSN_EH_REGION_{BEG,END}. + * rtl.h: Likewise. + * arm.h (MASK_RETURN_ADDR): Define. + * pa.h (MASK_RETURN_ADDR, RETURN_ADDR_RTX): New macros. + * sparc.h (DOESNT_NEED_UNWINDER): Define if not doing a flat function. + * mips.h (RETURN_ADDR_RTX): Improve. + * vax.h (RETURN_ADDR_RTX): Improve. + * toplev.c (rest_of_compilation): Use find_handler_labels. + (main, interim_eh{,_hook}): Remove interim_eh_hook support. + (flag_exceptions): New flag; also add to table. + (compile_file): Emit the exception table in the backend now. + * final.c (final_scan_insn): Support ASM_OUTPUT_EH_REGION_{BEG,END}. + (final_scan_insn): Redo handler labels, implement + NOTE_INSN_EH_REGION_BEG and NOTE_INSN_EH_REGION_END and use them + instead of CODE_LABELs. + (final): Add call to check_handler_labels. + * libgcc2.c (L_eh): Add support for EH_TABLE_LOOKUP. + * sparc.md (return): Add a reference to the return address register. + * flow.c (find_basic_blocks): Add support for handler_labels. + * loop.c (find_and_verify_loops): Likewise. + * jump.c (jump_optimize): Likewise. + Add call to check_handler_labels. Add call to exception_optimize. + * sched.c (sched_analyze): Smuggle exception region notes around. + (unlink_notes, reemit_notes, schedule_block): Likewise. + (sched_analyze): Add extra element since we remove two at a time. + * integrate.c (save_for_inline_copying): Add support for exception + regions. + (expand_inline_function): Likewise. + (function_cannot_inline_p): Don't inline functions that have EH + regions before NOTE_INSN_FUNCTION_BEG. + (finish_inline): Use FIRST_FUNCTION_INSN, not NEXT_INSN. + * function.c (expand_start_all_catch): New function. + * function.h: Add exception handling support information. + * expr.c (expand_expr, {defer,expand}_cleanups_to, do_jump): Transform + interim_eh_hook into calls to expand_ehregion_{start,end}. + * stmt.c (expand_{decl_cleanup,cleanups}): Likewise. + (init_stmt_for_function): Call init_eh. + (save_stmt_status): Call save_eh_status. + (restore_stmt_status): Call restore_eh_status. + * expr.h (throw_libfunc): Add. + * optabs.c (throw_libfunc): Initialize. + * print-rtl.c (print_rtx): Add support for exception regions. + * rs6000.c (EXCEPTION_SECTION): Define. + * output.h (exception_section): Declare. + * varasm.c (exception_section): Define. + * i386.c, i960.c, rs6000.c: Include except.h for function.h. + * c-pragma.c, emit-rtl.c, expr.c, final.c, flow.c: Include except.h. + * function.c, integrate.c, jump.c, loop.c, objc-act.c: Likewise. + * stmt.c, stor-layout.c, toplev.c, tree.c, varasm.c: Likewise. + +Tue Jul 23 12:32:54 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (rs6000_replace_regno): Set pic_offset_table_rtx so + that other phases will use the PIC register instead of the + placeholder. + + * rs6000.md (movsi_got*): Eliminate -fPIC code, keep -fpic code. + (movsi): Only call movsi_got if -fpic, not -fPIC. + + * sysv4.h (OVERRIDE_OPTIONS): Improve error messages. Always set + -msdata=data by default, even if -fpic/-fPIC/-mrelocatable. Treat + -fPIC the same as -mrelocatable-lib and vica versa. + + * t-ppcgas: (MULTILIB_*): Use -mreloctable-lib, instead of + -mrelocatable. Map Solaris into mcall-sysv-noeabi case. Build + -mrelocatable-lib libraries under non-eabi case. When linking, if + -fpic, -fPIC, or -shared, link in the -mrelocatable-lib libraries. + +Mon Jul 22 19:34:20 1996 Jim Wilson <wilson@cygnus.com> + + * iris6.h (ASM_SPEC): Change {% to %{. + + * dwarf2out.c (output_call_frame_info): Change FDE CIE offset to + be section name rather than 0. + (gen_subprogram_die): Only emit DW_AT_external if origin is NULL. + Only call equate_decl_number_to_die if origin is NULL. + (dwarfout_begin_function): In code that computes offset of frame + pointer, change 4 to UNITS_PER_WORD. + + * combine.c (undo_all): Clear previous_undos field. + +Mon Jul 22 19:10:45 1996 Ian Lance Taylor <ian@cygnus.com> + + * configure: Don't change target_alias to target in Makefile. + +Sat Jul 20 09:28:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * dwarfout.c (output_bound_representation): Treat default case + as variable bounds, then look inside for SAVE_EXPR. + + * mips.h (INITIALIZE_TRAMPOLINE): Use `_flush_cache'; flush data + cache too. + +Sat Jul 20 09:24:13 1996 Marco Walther (Marco.Walther@mch.sni.de). + + * configure (mips-sni-sysv4): New target. + * mips/sni-gas.h, mips/sni-svr4.h, mips/x-sni-svr4: New files. + +Fri Jul 19 17:44:13 1996 Stan Coxs <coxs@dg-rtp.dg.com> + + * i386.md: (leave): Clobbers esp and ebp. + + * i386.h: (TARGET_USE_Q_REG): Support inline strlen on PentiumPro + +Fri Jul 19 15:56:18 1996 Ian Lance Taylor <ian@cygnus.com> + + * m68k/t-m68kbare (MULTILIB_OPTIONS): Add m5200. + (MULTILIB_EXCEPTIONS): Define. + * m68k/lb1sf68.asm: Add MCF5200 support. + * m68k.md (adddi_sexthishl32): Set condition to !TARGET_5200. + (subdi_sexthishl32, ashrdi3, ashrhi3): Likewise. + (negdi2): Change into define_expand. + (negdi2_internal): Rename from old negdi2; condition now !TARGET_5200. + (negdi2_5200): New insn. + * m68k.c (output_function_prologue): Don't use add.w if TARGET_5200. + (output_function_epilogue): Likewise. + + * m68k.md (movqi): Remove complex cases which move between address reg + and memory; rely on secondary reloads instead. + +Fri Jul 19 12:22:50 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * fixproto (std_files): Add utime.h. + +Fri Jul 19 10:59:46 1996 Jeffrey A Law (law@cygnus.com) + + * m68k/m68kemb.h: Remove '\' at EOF. + +Fri Jul 19 09:59:00 1996 Joel Sherrill <joel@OARcorp.com> + + * m68k/coff.h (STARTFILE_SPEC): Add #undef before definition. + +Fri Jul 19 09:44:45 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * m68k.h (LEGITIMATE_INDEX_P): Coldfire does not have scale + by 8 addressing modes. + + * m68k-none.h: Use MASK_* macros instead of explicit constants. + +Fri Jul 19 09:08:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k.md (negdi2): Undo last change: don't apply neg to address regs. + +Fri Jul 19 09:03:01 1996 Robert Wilhelm (rwilhelm@Physik.TU-Muenchen.DE) + + * toplev.c (main): Correct typo in error message. + +Thu Jul 18 20:29:33 1996 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (OBJS): Add dwarf2out.o. + (dwarf2out.o): New rule. + * dwarf2.h, dwarf2out.c: New files. + * dwarfout.c: Check DWARF_VERSION macro. + + * mips/iris6.h (DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE): + Move after header files are included. + (iris5.h): Include instead of iris5gas.h. + (MACHINE_TYPE): Change 5.x to 6.x. + (DEBUG_SECTION, LINE_SECTION): Add debug_ to name, fix attributes. + (SFNAMES_SECTION, SRCINFO_SECTION, MACINFO_SECTION, PUBNAMES_SECTION, + ARANGES_SECTION): Fix attributes. + (DWARF_VERSION, MIPS_DEBUGGING_INFO, ASM_DECLARE_FUNCTION_NAME, + ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED, + FRAME_SECTION, ABBREV_SECTION): Define. + (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, MIPS_DEBUGGING_INFO, + DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_INFO): Delete undefs at + end of file. + * mips.c (function_{pro,epi}logue): Use FUNCTION_NAME_ALREADY_DECLARED. + +Thu Jul 18 19:24:19 1996 David Mosberger-Tang <davidm@azstarnet.com> + + * alpha/elf.h (INT_ASM_OP): Change from ".long" to ".quad". + +Thu Jul 18 19:20:58 1996 Ulrich Drepper <drepper@myware.rz.uni-karlsruhe.de> + + * stddef.h: Undefine __need_wint_t. + +Thu Jul 18 19:06:35 1996 J.T. Conklin <jtc@hippo.cygnus.com> + + * longlong.h (mc680x0): Define umul_ppmm, udiv_qrnnd, sdiv_qrnnd + for the '020, '030, '040, and '332. Define count_leading_zeros + for the '020, '030, '040, and '060. + + * m68k.md: Add TARGET_5200 to conditions which determine whether + the extbl instruction is emitted. + (mulsi3): Enable pattern with TARGET_5200. + + * m68k.md (add patterns): Don't use two addqw instructions when + adding small (8 < N <= 16) integers to address registers on 68040. + +Thu Jul 18 18:06:15 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure: Write target_alias in Makefile. + (i[3456]86-*-sco3.2v4*): Set truncate_target. + * Makefile.in (target_alias): New and used for all current uses + of `target'. + +Thu Jul 18 17:46:02 1996 Dave Love <d.love@dl.ac.uk> + + * gcc.c (default_compilers): Extra Fortran extensions. + +Wed Jul 17 10:28:10 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu> + + * expmed.c (expand_mult_highpart): Revert last change. + +Tue Jul 16 12:51:59 1996 Doug Evans <dje@cygnus.com> + + * sparc/sparc-rtems.h: #include "sparc/sparc-aout.h" -> sparc/aout.h. + +Mon Jul 15 14:42:06 1996 Jim Wilson <wilson@cygnus.com> + + * mips/iris6.h (LINK_SPEC): Add -woff 84. + +Fri Jul 12 17:34:01 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi.asm (__eabi): Convert pointers in the Global Offset + Table if -mrelocatable. Move loops into separate subroutines for + ease of debugging. Reorganize code somewhat. + + * rs6000/rs6000.c (small_data_operand): Allow small data under + Solaris. + + * rs6000/sol-c0.c (_start): Initialize r13 to point to the small + data operand. + + * rs6000/sol-c{i,n}.asm (_init, _fini): Enable shared library + support. + + * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Default to + -msdata=data, even if -fpic or -mrelocatable. Allow -mrelocatable + and -mno-eabi. + (CPP_SYSV_SPEC): If -fpic, define __PIC__ and __pic__ to 1. If + -fPIC, define them to 2. + (CPP_ENDIAN_SPEC): Push definition of macros for specific endian + targets to new specs. + (CPP_ENDIAN_DEFAULT_SPEC): Define to use CPP_ENDIAN_BIG_SPEC. + (CPP_ENDIAN_{LITTLE,BIG,SOLARIS}_SPEC): New specs for little + endian mode, big endian mode, and Solaris, which can't define + _LITTLE_ENDIAN. Define __LITTLE_ENDIAN__ in all cases for little + endian systems. Define __BIG_ENDIAN__ in all cases for big endian + systems. + (SUBTARGET_EXTRA_SPECS): Add new specs. + + * rs6000/{eabile,sysv4le}.h (CPP_ENDIAN_DEFAULT_SPEC): Define to + use CPP_ENDIAN_LITTLE_SPEC. + + * rs6000/sol2.h (CPP_ENDIAN_LITTLE_SPEC): Define as + CPP_ENDIAN_SOLARIS_SPEC so that _LITTLE_ENDIAN is not define. + +Fri Jul 12 17:34:01 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.c (function_arg): Add IBM AIX XL compiler broken FP arg + passing compatibility mode. + * rs6000.h (TARGET_XL_CALL): Define default. + * aix3newas.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define. + * aix41.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define. + +Fri Jul 12 15:04:43 1996 Doug Evans <dje@cygnus.com> + + * arm.h (ASM_OUTPUT_MI_THUNK): Handle fns returning structures. + + * ptx4.h ({ASM,LINK}_SPEC): %{V} %{v:%{!V:-V}} -> %{v:-V}. + * svr4.h ({ASM,LINK}_SPEC): Likewise. + * dsp16xx/dsp16xx.h ({ASM,LINK}_SPEC): Likewise. + * i386/dgux.h (LINK_SPEC): Likewise. + * i386/sol2.h (LINK_SPEC): Likewise. + * m88k/dgux.h ({LINK,ASM_CPU}_SPEC): Likewise. + * sparc/sol2.h ({ASM,LINK}_SPEC): Likewise. + * sparc/sp64-elf.h ({ASM,LINK}_SPEC): Likewise. + * sparc/sysv4.h (ASM_SPEC): Likewise. + +Thu Jul 11 17:29:33 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (GOT_TOC_REGNUM): New macro for r2, which is used as a + marker for the GOT/TOC register to be allocated later. + (MACHINE_DEPENDENT_REORG): Call rs6000_reorg. + (rs6000_reorg): Add declaration. + + * rs6000.c (rs6000_got_register): Return REG 2, not a pseudo + register in order to work with inlined functions. + (rs6000_replace_regno): New function to replace a register with a + new pseudo register. + (rs6000_finalize_pic): Loop through all insns, replacing any + GOT_TOC_REGNUM registers with new pseudo register, and adding + initialization of GOT register if it was created. + (rs6000_reorg): New function to check whether the GOT_TOC register + marker was removed. + +Thu Jul 11 10:12:50 1996 Jeffrey A Law (law@cygnus.com) + + * h8300.h (OK_FOR_U): If generating H8S code, accept + SYMBOL_REF and SYMBOL_REF + CONST_INT. + + * h8300.c ({shift,rotate}_one): Emit tabs between opcode and + operands to be consistent with the rest of the compiler. + (shift_two, rotate_two): Define. + (get_shift_alg): Accept new argument "assembler2_p" for + rotate/shift by two insns. All callers changed. Rework + to generate more efficient code on the H8/300, H8/300H, and H8S. + Try to simplify somewhat. + (emit_a_shift): Use shift-by-two insns when they're available. + Emit tabs between opcode and operands to be consistent with + the rest of the compiler. + +Wed Jul 10 19:32:17 1996 Jim Wilson <wilson@cygnus.com> + + * mips/iris6.h (ASM_SPEC): Correct typos in Jun 18 change. + +Wed Jul 10 18:56:38 1996 Ian Lance Taylor <ian@cygnus.com> + + * sh.c (machine_dependent_reorg): When looking for instruction that + sets register in LOG_LINKS, skip link if REG_NOTE_KIND is not zero. + +Wed Jul 10 15:02:18 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (rs6000_got_register): New function to return a pseudo + register to hold the pic register. Abort if reload is in progress + or done. + (num_insns_constant): Allow SFmode and DFmode. + + * rs6000.h (CONST_DOUBLE_OK_FOR_LETTER_P): Redo 'G' so that it + means a constant that takes exactly two insns. + (rs6000_got_register): Add declaration. + + * rs6000.md (movsi_got): Move setup of pic register to + rs6000_got_register. + (movsf): If -msoft-float, don't force constants to memory. + (mov{sf,df} insns): If soft floating point, allow any constant to + be loaded. Add define_splits that allow the 604 to use both + integer units for loading constants. Make sure insn length is + correct. + +Tue Jul 9 17:05:10 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (easy_fp_constant): All FP constants are considered + hard for -fpic and hardware floating point, so that the GOT + register is created. + +Tue Jul 9 15:21:27 1996 Jim Wilson <wilson@cygnus.com> + + * x-iris6 (FIXPROTO_DEFINES): Add -D_SGI_SOURCE. + +Mon Jul 8 18:00:33 1996 Jim Wilson <wilson@cygnus.com> + + * sh.h (enum reg_class): Add new class GENERAL_FP_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise. + + * cse.c (note_mem_written): Varying structure memory access with + AND address can alias scalars. + * sched.c ({true,anti,output}_dependence): Likewise. + + * sh.c (calc_live_regs): For pragma_interrupt case, exclude call + clobbered regs that are fixed, explicitly add MACH_REG and MACL_REG. + + * calls.c (expand_call): For assign_stack_temp call in PARALLEL case, + get mode from type instead of using BLKmode. + * function.c (aggregate_value_p): If hard_function_value returns + a non-REG, then return 0. + + * mips.c (function_arg): Add explicit checks for FIELD_DECLs. + (mips_function_value): Add explicit checks for FIELD_DECLs, and save + them in the array FIELDS. When returning structure with 1 float field, + enclose it in a PARALLEL and set the PARALLEL mode correctly. + * mips.md (call_value): Call gen_call_value_multiple_internal0 + only if there are multiple return values. Strip the PARALLEL off + if there there is only one return value. + +Mon Jul 8 16:27:33 1996 Jeffrey A. Law <law@cygnus.com> + + * First cut at support for the H8S. + * h8300.c (h8300_init_once): Handle the H8S (treat it + like the H8/300H). + (dosize, adds_subs_operand, one_insn_adds_subs_operand): Likewise. + (output_adds_subs, const_costs, print_operand): Likewise. + (output_simode_bld, h8300_adjust_insn_length): Likewise. + (push_order, pop_order): Reverse. + (function_prologue): Try to use ldm.l and stm.l insns + on the H8S. Minor cleanups. + (function_epilogue): Likewise. + (asm_file_start): Emit ".h8300s" when compiling for the H8S. + * h8300/h8300.h (CPP_SPEC): Handle the H8S. + (TARGET_H8300S): New target. + (TARGET_SWITCHES): Add "-ms" and "-mno-s". + (BITS_PER_WORD): Handle the H8S (treat it like the H8/300H). + (UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY): Likewise. + (BIGGEST_ALIGNMENT, BIGGEST_FIELD_ALIGNMENT): Likewise. + (INITIALIZE_TRAMPOLINE, MOVE_MAX, Pmode): Likewise. + * h8300.md: Handle H8S just like H8/300H + throughout the entire file. + * t-h8300 (MULTILIB_OPTIONS): Build "-ms" libraries too. + (MULTILIB_DIRNAMES): Put H8S libraries in "h8300s" directory. + * h8300/lib1funcs.asm: Emit ".h8300s" pseudo-op when generating + h8300s object files. Otherwise treat the H8S just like the H8/300H. + * ginclude/stdarg.h: Handle the H8S. + * ginclude/varargs.h: Likewise. + +Mon Jul 8 14:50:58 1996 Doug Evans <dje@cygnus.com> + + * sparc/sol2.h (LINK_SPEC): Don't pass `-z text' if + -shared -mimpure-text. + +Sun Jul 7 18:03:46 1996 Torbjorn Granlund <tege@noisy.tmg.se> + + * m68k/lb1sf68.asm (__udivsi3): Use faster tstw instead of btst. + +Thu Jul 4 11:44:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (get_inner_reference): Delete using alternate mode for + bitfield; we don't make bitfields anymore if not needed. + +Wed Jul 3 18:23:17 1996 Stephen L Moshier (moshier@world.std.com) + + * c-common.c (record_function_format): Define as static. + + * collect2.c (at SUNOS4_SHARED_LIBRARIES): Fix reference to unistd.h. + +Wed Jul 3 17:35:20 1996 Gavin Koch <gavin@cygnus.com> + + * c-typeck.c (default_conversion): Add bitfield promotions. + +Wed Jul 3 17:09:22 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * gcc.c (default_compilers): Add null entries for languages we + heard of. + (main): If found one of those entries, say compiler not installed. + +Wed Jul 3 12:52:53 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.c (fmpy_operands): Define. + (combinable_{fmpy,add,fsub}): New function. + * pa.md (parallel_addb, parallel_movb): New patterns. + (fmpyadd, fmpysub): New patterns. + + * pa.c (fmpy{add,sub}operands): Tighten checks. Allow SFmode. + +Tue Jul 2 18:57:15 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.c (ireg_or_int5_operand): New function. + (output_parallel_movb, output_parallel_addb): Likewise. + (combinable_copy, combinable_add, following_call): Likewise. + (pa_adjust_insn_length): Handle parallel unconditional branches. + (output_movb): Handle case were destination is %sar. + * pa.h: Declare new functions. + * pa.md (parallel_branch): New "type" attribute. + (delay slot descriptions): Don't allow "parallel_branches" in + delay slots. Fill "parallel_branches" like "branch" insns. + (movb patterns): Handle %sar as destination register. + + * expr.c (compare): If function pointers need canonicalization + before comparisons, canonicalize them. + (do_store_flag): Do not use an sCC insn for a function pointer + comparison if function pointers need canonicalization before + comparing. + +Tue Jul 2 17:56:37 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h ({START,END}FILE_LINUX_SPEC): If -mnewlib is not + used, use the crtbegin/crtend that 2.7.2 used. + +Sat Jun 29 07:10:02 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (INIT_EXPANDERS): Define, call rs6000_init_expanders. + (RS6000_VARARGS_OFFSET): fpmem area no longer next to outgoing + argument area. + (STARTING_FRAME_OFFSET, STACK_DYNAMIC_OFFSET): Likewise. + (frame_pointer_needed): Add external declaration. + (rs6000_{save,restore}_machine_status): Ditto. + (rs6000_init_expanders): Likewise. + + * rs6000.c (rs6000_{save,restore}_machine_status): New functions + to save and restore the globals needed on a per function basis. + (rs6000_init_expanders): Initialize globals needed on a per + function basis, and set up so the above save/restore functions are + called when processing nested functions. + (output_epilog): Don't initialize per function globals here. + (rs6000_stack_info): Change where fpmem save area is to below local + variables, and not just below the outgoing argument area. + + * rs6000.md (floatsidf2*, fix_truncdfsi2*): Rewrite conversion + routines to track new location of the fpmem save area. Allocate a + new base register temp for the routines in case the stack frame is + more than 32k in size. + +Sat Jun 29 05:44:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * explow.c (convert_memory_address, case PLUS): Fix error in + last change. + +Fri Jun 28 23:30:48 1996 Jeffrey A. Law <law@cygnus.com> + + * reload1.c (choose_reload_regs): Properly mark spill registers + as in use for inherited reloads. + +Fri Jun 28 18:37:20 1996 Stephen L Moshier <moshier@world.std.com> + + * objc/sarray.c (ifdef __alpha__): Don't declare `free'. + * objc/thr-decosf1.c (objc_thread_id): Use pthread_getunique_np + to obtain a thread ID value. + (objc_mutex_allocate): Cast mutex->owner to _objc_thread_t. + (objc_mutex_{deallocate,unlock}): Likewise. + (objc_mutex_{try,un,}lock): Declare thread_id as _objc_thread_t. + + * real.c (asctoeg): `0.0eX' is zero, regardless of the exponent X. + +Fri Jun 28 18:33:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * vax.md (rotl): Remove extraneous `$'. + + * combine.c (previous_num_undos): Deleted variable. + (MAX_UNDO): Deleted macro. + (struct undo): New field, next. + (struct undobuf): Deleted num_undos and undo. + New fields undos, frees, and previous_undos. + (SUBST, SUBST_INT): Rework to allocate memory and chain undo entries. + (combine_instructions): Initialize undobuf.{undos,previous_undos}, + not undobuf.num_undo and previous_num_undos. + (try_combine): Likewise. + (undo_all, gen_rtx_combine): Rework to use new data structures. + +Fri Jun 28 16:48:25 1996 Scott Christley <scottc@net-community.com> + + * objc/sendmsg.c (__objc_block_forward): New function. + (get_imp, objc_msg_lookup): Use different forwarding function + when the returning a floating point value. + +Fri Jun 28 16:25:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * configure: Allow multiple makefile frags. + (i[3456]86-*-linux*oldld*): Add i386/t-crtstuff as target frag. + (i[3456]86-*-linux*aout*, i[3456]86-*-linux*): Likewise. + (m68k-*-linux*aout*): Add t-linux-aout as target frag. + (m68k-*-linux*): Add t-linux as target frag. + * Makefile.in (Makefile): xmake_file and tmake_file now already + contain the $(srcdir)/config prefix. + + * config/t-linux (BOOT_CFLAGS): Removed, no longer necessary. + (CRTSTUFF_T_CFLAGS): Don't define. + (CRTSTUFF_T_CFLAGS_S): Define this instead. + * config/t-linux-aout (BOOT_CFLAGS): Removed. + * m68k/t-linux: Remove variables now in t-linux. + +Fri Jun 28 15:06:05 1996 John F. Carr <jfc@mit.edu> + + * alpha.c (alpha_emit_conditional_move): Emit correct code when + incoming comparison code is NE. + +Fri Jun 28 14:35:45 1996 J.T. Conklin <jtc@hippo.cygnus.com> + + * c-decl.c (init_decl_processing): Register __builtin_memset + and memset as builtin functions. + * expr.c (expand_builtin, case BUILTIN_MEMSET): Open code memset + where val == 0. + +Fri Jun 28 14:10:03 1996 Richard Henderson <rth@tamu.edu> + + * alpha/linux.h (FUNCTION_PROFILER): _mcount has non-standard linkage. + * alpha/elf.h (LINK_SPEC): Bring emulation name into sync + with Cygnus snapshot. + + * alpha.h ({MASK,TARGET}_BUILD_CONSTANTS): New macros. + (TARGET_SWITCHES): New target option build-constants. + * alpha.c (alpha_emit_set_long_const): New function. + * alpha.md (movdi): Call it. + * expmed.c (expand_mult_highpart): Use op1 not wide_op1 in + expansion of mul_highpart. + + * alpha.c (output_{pro,epi}log): Flag_inhibit_size_directive + should supress .ent, .end, and accompanying directives. + (alpha_output_lineno): Fix polarity on GAS test. + * alpha.h (NO_DBX_FUNCTION_END): New macro. + * dbxout.c (dbxout_function): Respect NO_DBX_FUNCTION_END. + * alpha/elf.h: New file. + * alpha/linux.h (INITIALIZE_TRAMPOLINE): New definition. + * alpha/xm-linux.h (HAVE_STRERROR): Define. + * configure (alpha*-linux*ecoff*): New target, was alpha-*-linux*. + (alpha-*-linux*): Use elf.h. + * crtstuff.c (init_dummy): Only i386-linux (at most) + needs ___brk_addr hack. + +Thu Jun 27 20:23:30 1996 Jon Buller (jonb@metronet.com) + + * ns32k.c (split_di): New; from i386.c. + * ns32k.md (adddi3, subdi3, negdi3): New patterns. + +Thu Jun 27 19:42:50 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (force_to_mode, case NE): Fix typo and logical error. + (simplify_comparison): Don't swap args if op1 is CONST_INT. + +Thu Jun 27 18:49:35 1996 Jim Wilson <wilson@cygnus.com> + + * expmed.c (extract_bit_field): Check TRULY_NOOP_TRUNCATION before + making a SUBREG of a REG. + +Thu Jun 27 11:03:59 1996 Ian Lance Taylor <ian@cygnus.com> + + * mips.h (CC1_SPEC): Put spaces between the -mips* cases. + * mips/osfrose.h (CC1_SPEC): Likewise. + + * sh.c (output_branch): Don't call ADJUST_INSN_LENGTH if insn is + inside sequence. + +Wed Jun 26 19:09:43 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.h (CMP_PSI): Delete. + (FUNCTION_POINTER_COMPARISON_MODE): Likewise. + * pa.md (cmppsi): Delete expander. + (canonicalize_funcptr_for_compare): Renamed from plabel_dereference, + turned into an expander + anonymous pattern. + +Tue Jun 25 22:36:11 1996 Doug Evans <dje@seba.cygnus.com> + + * gcc.c (PEXECUTE_VERBOSE): Define. + (execute): Pass PEXECUTE_VERBOSE to pexecute if -v. + +Tue Jun 25 12:23:54 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (FINALIZE_PIC): Define to call rs6000_finalize_pic. + (rs6000_finalize_pic): Add declaration. + (svr4_traceback): Delete unused declaration. + + * rs6000.md (movsi_got): Don't emit gen_init_v4_pic insn. + (V.4 call insns): Do not use @plt for PIC calls. + + * rs6000.c (print_operand_address): Handle LABEL_REF just like + SYMBOL_REF. + (rs6000_finalize_pic): Define, emit the gen_init_v4_pic insn + before all other insns if needed for V.4 PIC calls. + + * eabi-ci.asm (_GLOBAL_OFFSET_TABLE_): Do not provide a default + definition, since it interferes with the linker generated version. + +Tue Jun 25 01:17:50 1996 Jeffrey A. Law <law@cygnsu.com> + + * h8300.c (function_prologue): Update "monitor" prologues. + (function_epilogue): Similarly. + + * pa.h (PARSE_LDD_OUTPUT): Handle dynamic libraries that are + loaded "statically". + +Mon Jun 24 19:48:36 1996 Joel Sherrill <joel@merlin.gcs.redstone.army.mil> + + * configure ({i386,i960,m68k,powerpc,sparc}-rtems): New targets. + * i386/go32-rtems.h, i386/i386-rtems.h: New files. + * i960/i960-rtems.h: New file. + * m68k/m68k-rtems.h: New file. + * rs6000/powerpc-rtems.h: New file. + * sparc/sparc-rtems.h: New file. + +Mon Jun 24 23:09:22 1996 Paul Eggert <eggert@twinsun.com> + + * cccp.c: (create_definition): Diagnose `#define #' only once. + +Mon Jun 24 11:42:58 1996 Jim Wilson <wilson@cygnus.com> + + * i386/cygwin32.h, rs6000/cygwin32.h (CPP_PREDEFINES): For consistency, + change to define WIN32, WINNT, and CYGWIN32. + +Mon Jun 24 10:46:50 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (floatsidf2*): Move the xor of the argument into the + define_insn, since it confuses inline function expands. + +Fri Jun 21 20:40:17 1996 Jim Wilson <wilson@cygnus.com> + + * mips.md (call_internal1, call_value_internal1): Delete obsolete code. + (call_internal2, call_value_internal2, call_value_multiple_internal2): + Delete obsolete code. Explicitly load SYMBOL_REF into register. + (call_value): Change Pmode to SImode in gen_call_value_internal0 call. + +Thu Jun 20 12:20:33 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure (*-aix*): If building a cross compiler, use t-xnewas + instead of t-newas. + + * rs6000.c (num_insns_constant_wide): Fix typo if HOST_WIDE_INT + has more than 32 bits. + +Wed Jun 19 17:50:33 1996 Richard Henderson <richard@atheist.tamu.edu> + + * combine.c (move_deaths): New parameter maybe_kill_insn. + Don't move note if reg killed by maybe_kill_insn. + (try_combine): Pass new arg to move_deaths. + +Wed Jun 19 10:44:47 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * toplev.c (flag_keep_static_consts): Define. + (f_options): Add "keep-static-consts" entry. + (compile_file): Check it in addition to !optimize for emitting + static const variables. + +Tue Jun 18 23:37:20 1996 Doug Evans <dje@cygnus.com> + + * i386/cygwin32.h (ASM_OUTPUT_SOURCE_LINE): Local symbols begin with L. + +Tue Jun 18 12:00:11 1996 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (asm_output_aligned_bss): Don't emit a skip of size 0. + +Tue Jun 18 06:24:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * integrate.c (expand_inline_function): Add missing call to + force_operand when getting structure_value_addr into reg. + + * alpha.c (override_options): Allow EV4/5 or 21064/21164 for cpu. + Clean up handling of floating-point options. + * alpha.h (TARGET_SWITCHES): Have all -mieee options turn + on MASK_IEEE_CONFORMANT. + (TARGET_DEFAULT): Use symbolic value. + * alpha.md: When not involving named pattern, update condition + to include alpha_tp != ALPHA_TP_INSN. + Don't do float_extend as part of other pattern when ALPHA_TP_INSN. + (extendsfsd2): Split into two patterns, depending on + value of alpha_tp. + + * mips/iris6.h (ASM_SPEC): Treat -o32 as -32 and -n64 same as -64. + * mips.c (override_options): Likewise. + + * genattrtab.c (fatal): Declare A1 and A2 as char *. + + * function.c (find_temp_slot_from_address): Check for overlap + from BASE_OFFSET if X is PLUS of virtual_stack_vars_rtx and const. + + * flow.c (flow_analysis): Fix typo in last change. + + * expr.c (expand_builtin, case BUILT_IN_{SET,LONG}JMP): Properly + handle case when ptr_mode != Pmode. + + * combine.c (try_combine): Don't use split if dest of new I2 + is used between I2 and I3. + + * c-typeck.c (pointer_int_sum): Convert integer to both signedness + and precision of sizetype. + * explow.c (convert_memory_address, case PLUS, MULT): Don't commute + operation with extension if not adding small integer. + + * Makefile.in (BOOT_LANGUAGES): New variable. + (bootstrap): Use it to select languages for stage1. + * configure (extra_host_objs): New variable. + Separate files needed for target and host and concatenate list. + (extra_gcc_objs): Use setting for host, not target. + (objc_thread_file): Start with it as null, then don't include "thr-". + Print name of file after others and in same format. + (alpha-*-winnt*, i[3456]86-*-winnt): oldnames.o is in extra_host_objs. + (all_boot_languages): New variable. + Set from boot_language variable in config-lang.in. + Defines value of BOOT_LANGUAGES in Makefile. + (Makefile): Set target to the canonical form of target. + +Mon Jun 17 22:37:07 1996 Mike Meissner <meissner@rtl.cygnus.com> + + * rs6000/win-nt.h (ASM_DECLARE_FUNCTION_NAME): Put function + descriptor in .reldata, not .text. + +Mon Jun 17 16:05:34 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * ginclude/stddef.h (wint_t): Don't wrap with #ifndef __cplusplus. + +Mon Jun 17 15:03:20 1996 Jim Wilson <wilson@cygnus.com> + + * mips.c (mips_split_addresses): New variable. + (simple_memory_operand): Add comment about mode check. Add check + for LO_SUM. + (call_insn_operand): OP is now an addresses instead of a MEM. + (move_operand, mips_check_split): New functions. + (mips_count_memory_refs): Add check for LO_SUM. + (mips_move_1word): Add HIGH support. + (mips_address_cost): Delete check for HIGH. + (output_block_move): Handle LO_SUM addresses. + (override_options): Set mips_split_addresses. + (print_operand_address): Add LO_SUM support. + * mips.h (mips_split_addresses, mips_check_split, move_operand): + New declarations + (GO_IF_LEGITIMATE_ADDRESS): Reject constant addresses when + mips_split_addresses is TRUE. Add LO_SUM support. + (LEGITIMIZE_ADDRESS): Add LO_SUM support. + (PREDICATE_CODES): Modify call_insn_operand support. Add + move_operand. + * mips.md (memory): Change r4100/r4300 support. + (imuldiv): Add r4300 support. + (high, low): New patterns. + (movsi, movdi): Add LO_SUM support. + (movsi_internal1, movsi_internal2): Use move_operand instead of + general_operand. + (movstrsi_internal, movstrsi_internal2): Delete R constraint. + (call, call_value): Pass address instead of MEM to call_insn_operand. + Call gen_call_{value_}internal0 instead of internal1. + (call_internal0, call_value_internal0, call_multiple_internal0): + New patterns. + (call_internal1, call_internal2, call_value_internal1, + call_value_internal2, call_value_multiple_internal2): Add explicit + MEM before target address. + +Sun Jun 16 23:05:16 1996 Jeffrey A. Law <law@cygnus.com> + + * configure (hppa*-hp-hpux10*): Use new pa-hpux10 configuration file. + (hppa*-hp-hpux*): Use hpux9 configuration files by default. + * pa/pa-hpux10.h: New file. + * pa/pa-ghpux9.h: Deleted. No longer used. + +Sat Jun 15 04:35:51 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> + + * i386/gnu.h (LINK_SPEC): Remove -rpath /lib/ option. + Ignore -ibcs option. + +Thu Jun 13 14:49:41 1996 Jim Wilson <wilson@cygnus.com> + + * gen-protos.c (main): Change argv[i] to argv[0][i]. + +Thu Jun 13 10:46:24 1996 Doug Evans <dje@cygnus.com> + + * gcc.c (pfatal_pexecute): Delete code to check errno < sys_nerr. + +Wed Jun 12 21:47:10 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov> + + * alpha.c (alpha_cpu, alpha_cpu_string): New variables. + (override_options): Process -mcpu= value. + (alpha_adjust_cost): Handle adjustments for EV5. + * alpha.h (enum processor_type): New enum. + (alpha_cpu, alpha_cpu_string): New declarations. + (target_options): Add "cpu=". + (RTX_COSTS): Adjust values for EV5. + * alpha.md: Add scheduling rules for EV5. + +Tue Jun 11 17:51:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-common.c (check_format_info): Change text of message about use + of `0' with precision. + +Tue Jun 11 15:14:10 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.h (TARGET_SCHEDULE_PROLOGUE): New. Allows prologue to + be emitted as asm or rtl. + + * i386.c (function_prologue): Emit prologue as asm. + (override_options): Don't emit rtl for prologue if -fpic. + +Tue Jun 11 14:41:01 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi.asm (__eabi): Fix normal code so that it properly + loads up r2/r13 if needed again. + + * rs6000/sysv4.h (CPP_ENDIAN_SPEC): Call cpp_endian_default, not + cpp_endian_default_spec. + +Mon Jun 10 15:10:56 1996 Jeffrey A. Law <law@cygnus.com> + + * local-alloc.c (update_equiv_regs): Ignore insns that read or + write registers that are likely to be spilled. + + * pa.h (cmp_type): Add CMP_PSI. + (FUNCTION_POINTER_COMPARISON_MODE): Define. + * pa.md (cmppsi): New expander. + (plabel_dereference): New pattern + +Mon Jun 10 14:56:14 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sol2.h (SKIP_ASM_OP): Delete, Solaris accepts .space, + like rest of PowerPC V4 ports. + + * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Emit .lcomm if not + using the .sbss area. If using the .sbss area, put out + appropriate .size directive. + +Mon Jun 10 14:53:38 1996 Doug Evans <dje@cygnus.com> + + * Move fork/exec/wait handling into file of its own. + * pexecute.c: New file. + * Makefile.in (pexecute.o): Add rule. + (xgcc): Link in pexecute.o. + (protoize,unprotoize): Likewise. + * gcc.c (_WIN32): Don't include process.h or declare spawnv{,p}. + (pexecute,pwait): Add prototypes. + (PEXECUTE_{FIRST,LAST,SEARCH}): Define. + (execv,execvp): Delete decls. + (perror_exec): Delete. + (pfatal_pexecute): New function. + (pexecute support): Delete. + (execute): -pipe not supported if _WIN32 or OS2. + Update call to pexecute. Fatal error if pexecute fails. Call pwait. + * protoize.c: Include gansidecl.h. + (my_execvp): Delete. + (choose_temp_base,pexecute,pwait): Declare. + (PEXECUTE_{FIRST,LAST,SEARCH}): Define. + (execvp): Delete decl. + (usage): Fix typo. + (gen_aux_info_file): Rewrite to use pexecute/pwait. + + * gcc.c (do_spec_1): Allow leading text in version string. + Delete support for default minor number = 0. + +Mon Jun 10 11:49:53 1996 Scott Christley <scottc@net-community.com> + + * objc/Makefile (libobjc.a): Don't delete the library. + + * objc/thr.h (objc_set_thread_callback): New function. + (objc_thread_callback): Typedef for the hook function. + * objc/thr.c (__objc_thread_detach_function): Clear thread storage. + Call the thread hook function when first becoming multi-threaded. + (objc_set_thread_callback): New function. + + * objc/selector.c (__sel_register_typed_name): Additional parameter + that indicates whether name and type parameters are constant or not. + * objc/runtime.h (__sel_register_typed_name): Likewise. + * objc/init.c (__sel_register_typed_name): Likewise. + + * objc/init.c (__objc_init_protocols): Need to unlock mutex. + +Mon Jun 10 11:44:44 1996 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc/t-sol2 (gmon.o): Depend on stmp-int-hdrs. + (crt1.o, crti.o, crtn.o, gcrt1.o): Depend on $(GCC_PASSES). + +Mon Jun 10 11:29:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * flow.c (flow_analysis, find_basic_blocks): Ignore + nonlocal_label_list for CALL_INSN that has a REG_RETVAL. + + * c-common.c (decl_attributes, case A_T_UNION): Don't look at fields + of union if there aren't any. + +Sat Jun 8 22:13:33 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (ix86_expand_prologue): Keep pic register load ahead + of reference which may use a pic register. + +Sat Jun 8 22:13:33 1996 Jim Wilson <wilson@cygnus.com> + + * i386.md (strlensi_unroll4, strlensi_unroll5): Use + not =& for + constraint for input/output operand 2. + +Sat Jun 8 22:13:33 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * i386.h (CONST_COSTS): Even integer constants have a cost. + (RTX_COSTS): Take costs of subexpressions into account. + If a multiply is actually a shift, use the cost of the shift. + * i386/unix.h (SHIFT_DOUBLE_OMITS_COUNT): New macro. + * i386/{gas, next, seq-gas}.h (SHIFT_DOUBLE_OMITS_COUNT): Redefine + as zero. + * i386.c (print_operand): new letter 's'. + +Sat Jun 8 15:13:33 1996 Jim Wilson <wilson@cygnus.com> + + * mips.c (override_options): Add vr4100 and vr4300 support. + * mips.h (enum processor_type): Likewise. + (MASK_4300_MUL_FIX, TARGET_4300_MUL_FIX): New macros. + (TARGET_SWITCHES): Add -mfix4300 option. + * mips.md (cpu, memory, imuldiv, adder, mult, divide): Add + vr4100 and vr4300 support. + (muldf3, mulsf3): Add vr4300 support. + (muldf3_internal, muldf_r4300, mulsf3_internal, mulsf_r4300): New + patterns. + +Sat Jun 8 14:35:23 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * toplev.c (main): Re-enable -gxcoff+. + +Sat Jun 8 14:20:14 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * m68k/lb1sf68.asm (__{eq,ne,gt,lt,ge,le}{df,sf}2): Removed + extraneous comments, constants, labels, etc. + + * m68k/altos3068.h (TARGET_DEFAULT): Use MASK_* macros + instead of explicit constants in definitions or conditionals. + * m68k/{apollo68, aux, ccur-GAS, dpx2, hp320, hp3bsd}.h: Likewise. + * m68k/{hp3bsd44, isi-nfp, isi, linux-aout, linux}.h): Likewise. + * m68k/{lynx-ng, lynx, m68k-none, m68k-psos, m68kv4}.h): Likewise. + * m68k/{mot3300, netbsd, news, next, pbb, plexus, sun2o4}.h): Likewise. + * m68k/{sun3, sun3n, tower}.h): Likewise. + +Sat Jun 8 13:55:23 1996 Matthias Pfaller (leo@marco.de) + + * ns32k.md (define_insns for ffs[qhs]i2): Deleted. + (define_expand for ffssi2): New pattern. + +Sat Jun 8 13:44:14 1996 Stephen L Moshier (moshier@world.std.com) + + * reload.c (find_equiv_reg): Set need_stable_sp if GOAL is the + stack pointer. + +Sat Jun 8 13:36:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (fixup_var_refs_1, case SIGN_EXTEND): Handle + paradoxical SUBREGs as first operand. + (fixup_var_regs_1, case SET): Handle paradoxical SUBREGs as + first operand of a ZERO_EXTRACT in SET_DEST. + + * c-common.c (enum attrs): Add A_FORMAT_ARG. + (init_attribute): Initialize it. + (decl_attributes, case A_FORMAT): Clean up error messages. + (decl_attributes, case A_FORMAT_ARG): New case. + (struct international_format_info): New structure and typedef. + (international_format_list): New variable. + (record_international_format): New function. + (init_format_info): Call it for gettext, dcgettext, and dcgettext. + (check_format_info): See if format arg is call to + internationalization function. + +Fri Jun 7 20:04:40 1996 Jim Wilson <wilson@cygnus.com> + + * gcc.c (MULTILIB_SELECT): Delete definition. + (multilib_select): Delete static initializer. + (multilib_obstack, multilib_raw): New global variables. + (multilib.h): Include inside multilib_raw definition. + (main): Set multilib_select from multilib_raw. + * genmultilib: Change output to be a sequence of short strings + separated by commas rather than a single long macro definition. + + * cse.c (simplify_binary_operation, case MULT): Check for case + where width is larger than HOST_BITS_PER_WIDE_INT, and upper most + bit is set. We can not generate a simple shift in this case. + + * gsyms.h (enum sdb_type): Add T_LNGDBL if EXTENDED_SDB_BASIC_TYPES. + (enum sdb_masks): Add EXTENDED_SDB_BASIC_TYPES masks. + * sdbout.c (gsyms.h): Include if CROSS_COMPILE is defined. + (plain_type_1): Use TYPE_PRECISION instead of TYPE_SIZE. + Add check for LONG_DOUBLE_TYPE_SIZE if EXTENDED_SDB_BASIC_TYPES. + * i960.h (EXTENDED_SDB_BASIC_TYPES): Define. + (PUT_SDB_TYPE): Delete now unnecessary shifting and masking. + + * i960.h (i960_output_move_{double,quad}): Declare. + +Fri Jun 7 19:22:09 1996 Scott Christley <scottc@net-community.com> + + * Makefile.in (OBJC_THREAD_FILE): New variable. + * configure (objc_thread_file): Set new variable to appropriate + values based upon target operating system; default is `thr-single'. + * objc/Makefile (OBJC_THREAD_FILE): Add target and dependency. + (thr.o): Remove OS specific thread files as dependencies. + * objc/thr-decosf1.c: Now compiles as a separate source file, so + include appropriate Objective-C headers. + * objc/thr-{mach,os2,posix,irix,single,solaris,win32}.c: Likewise. + * objc/thr.c: Remove inclusion of source files. + * objc/thr.h (__objc_thread_exit_status): Declare global variable. + * objc/thr-pthreads.c: New file. + +Fri Jun 7 19:04:04 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * m68k.h (TARGET_SWITCHES): Treat -m68302 like -m68000 and -m68332 + like -m68020; remove -mno-68302 and -mno-68332. + +Fri Jun 7 12:06:12 1996 Per Bothner <bothner@deneb.cygnus.com> + + * expr.c (safe_from_p): Allow Chill-style variable-sized arrays. + +Thu Jun 6 23:11:11 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (h8300_monitor_function_p): New function. + (h8300_os_task_function_p): Likewise. + (os_task, monitor): Variables to note if the current + function is an os_task or monitor. + (function_prologue): Set monitor and/or os_task as needed. Handle + os_task and monitor functions. + (function_epilogue): Clear monitor and os_task. Handle os_task and + monitor functions. + (h8300_valid_machine_decl_attribute): Accept "OS_Task" and + "monitor". + +Thu Jun 6 20:01:54 1996 Per Bothner <bothner@cygnus.com> + + * gen-protos.c (progname): New variable (needed by cppalloc.c). + (main): Set progname. + + * cpplib.h (struct parse_file): Removed. + (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, CPP_OUT_BUFFER): New macros. + * cpphash.c (cpp_lookup): Change struct parse_file -> cpp_reader. + + * cpplib.c (init_parse_option): Renamed to cpp_options_init. + (push_parse_file): Renamed to ... + (cpp_start_read): Change to return 1 on success, 0 on failure. + (init_parse_file): Renamed to cpp_reader_init. + * cppmain.c (main): Use CPP_SET_WRITTEN and cpp_fatal. + Use renamed function names, and return protocols. + * fix-header.c (read_scan_file): Likewise. + + * cpperror.c (cpp_message): Generalize for "fatal" errors. + (cpp_fatal): New function (just calls cpp_message). + * cpplib.c (cpp_start_read, cpp_handle_options, cpp_finish, + parse_goto_mark, parse_move_mark): Use cpp_fatal rather than fatal. + + * fix-header.c (check_macro_names): Fix struct parse_file->cpp_reader. + * cpplib.c (newline_fix): Remove unused function. + +Thu Jun 6 19:47:26 1996 Jim Wilson <wilson@cygnus.com> + + Changes to support parameters and return values in multiple + non-contiguous locations. + * calls.c (expand_call): Handle NIL in PARALLEL. Handle PARALLEL + parameter in REG. Handle PARALLEL return value in VALREG. + (emit_library_call, emit_library_call_value): Abort for PARALLEL. + (store_one_arg): Delete code for handling EXPR_LIST. + * expr.c (emit_group_load, emit_group_store): New functions. + (use_group_regs): New function. + (emit_push_insn): Handle PARALLEL parameter in REG. + (expand_assignment): Handle PARALLEL to_rtx. + (store_expr): Handle PARALLEL target. + * expr.h (emit_group_load, emit_group_store, use_group_regs): New + declarations. + * function.c (assign_parms): Handle PARALLEL parameter in ENTRY_PARM. + * stmt.c (expand_value_return): Handle PARALLEL return_reg. + + * mips/abi64.h (TYPE_DEPENDENT_REG): Delete. + * mips.c (function_arg): Return PARALLEL for structure with + aligned double fields. + (type_dependent_reg): Delete. + (mips_function_value): Return PARALLEL for structure + with two floating point fields. + * mips/mips.md (call_value): Handle PARALLEL in operands[0]. + (call_value_multiple_internal2): New pattern. + * pa.h (FUNCTION_ARG): General PARALLEL instead of EXPR_LIST. + * rs6000.c (init_cumulative_args): Change EXPR_LIST to PARALLEL + in comments. + (function_arg): Generate PARALLEL instead of EXPR_LIST. + +Thu Jun 6 18:21:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (assign_parms): Tighten up code that makes REG_EQUIV + notes for parms. + + * fold-const.c (fold): Don't do anything with evaluated SAVE_EXPR. + +Thu Jun 6 17:54:07 1996 J.T. Conklin <jtc@cygnus.com> + + * m68k.h (TARGET_SWITCHES): Group all floating point options. + When an fp option is selected, unset bits used for other mutually + exclusive fp options. + (OVERRIDE_OPTIONS): Remove special case for SUPPORT_SUN_FPA; + bits used for 68881 and SKY are now cleared by TARGET_SWITCHES. + + * m68k.md (movsi_const0, movhi): Favor clr with TARGET_5200. + (add[qhs]3): Don't use two addqw/subqw insns to add small integers to + an address register with TARGET_68060. + (stack push peephole): Use moveq.l with TARGET_5200 (when appropriate). + + * m68k.h (MASK_5200, TARGET_5200): New macros. + (TARGET_SWITCHES): Add "m5200". + (LEGITIMATE_INDEX_P): Add TARGET_5200 to conditional expression. + * m68k.c (const_method): Do not synthesize long constants + with byte or word operations with TARGET_5200. + * m68k.md: Disable byte and word arithmetic, rotate, integer + divide, dbcc, etc. insns for TARGET_5200. + * m68k-none.h: (CPU_FPU_SPEC, CPP_SPEC, ASM_SPEC): Support m5200. + +Thu Jun 6 17:32:32 1996 Paul Eggert <eggert@twinsun.com> + + * fixproto (subdirs): Work around Solaris 2.5 + /usr/xpgr/bin/sed problem with \+\+. + +Thu Jun 6 15:06:27 1996 Jim Wilson <wilson@cygnus.com> + + * c-decl.c (grokdeclarator): Call pop_obstacks after creating + TYPE_DECL. + + * loop.c (strength_reduce): If HAVE_cc0 defined, disable auto_inc_opt + if it would put an insn between a cc0 setter/user pair. + +Thu Jun 6 13:06:54 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): If __sun__ is + defined, treat that as little endian. + +Wed Jun 5 20:04:53 1996 Jim Wilson <wilson@cygnus.com> + + * i960.h (ROUND_TYPE_ALIGN): Add check for TYPE_PACKED. + + * sh.h (SHORT_IMMEDIATES_SIGN_EXTEND): Define. + * sh.md (branch_true): Add comment about T-bit compares. + +Tue Jun 4 23:08:34 1996 Per Bothner <bothner@deneb.cygnus.com> + + * cpplib.h, cpplib.c: Remove support for !STATIC_BUFFERS. + * cpplib.h: Use unsigned char rather than U_CHAR. + * cpplib.h (cpp_reader): Add destructor #ifdef __cplusplus. + (cpp_cleanup): New prototype. + * cpplib.c (special_symbol, do_once, do_include, cpp_get_token): + Compare cpp_buffer against CPP_NULL_BUFFER, not NULL. + + * cpplib.c (dump_special_to_buffer): New function. + (initialize_builtins): Use it. + +Wed Jun 5 19:10:22 1996 Jeffrey A. Law <law@cygnus.com> + + * pa/pa.h (TEXT_SPACE_P): Fix thinko in last change. + +Wed Jun 5 16:25:51 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (ASM_DEFAULT_SPEC): Default to "", not -mpwr. + + * sysv4.h (SUBTARGET_SWITCHES): Add -mshlib. + (LINK_PATH_SPEC): Add -compat-bsd support from Solaris. + (LINK_SPEC): Eliminate %{b} and %{G}, since they conflict with GCC + switches. Defer shared library support to LINK_SHLIB_SPEC. Defer + target selection to LINK_TARGET_SPEC. + (LINK_SHLIB_SPEC): Provide two different versions, depending on + whether shared libraries are default or not. Make shared + libraries not default until linker is fixed. + (LINK_OS_*_SPEC): New specs for OS specific linker switches. + (SUBTARGET_EXTRA_SPECS): Add new specs. + + * {sol2,sysv4}.h (LINK_SPEC): Move Solaris link into general link spec. + + * {sysv4,sysv4le,eabile}.h (LINK_TARGET_SPEC): Only pass -oformat + to the linker if the user is changing the default endian format. + + * {sol2,linux,eabisim,eabilesim}.h (LINK_OS_DEFAULT_SPEC): Define + to use the appropriate OS link spec. + +Wed Jun 5 16:35:10 1996 Ian Lance Taylor <ian@cygnus.com> + + * ginclude/stddef.h: Fix typo: TYPE_ptrdiff_t to _TYPE_ptrdiff_t. + +Wed Jun 5 15:52:57 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * varasm.c (output_constructor): Handle RANGE_EXPR in array index. + +Wed Jun 5 13:45:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * sparc.md (*call_{address,symbolic}_struct_value_sp32): Allow + operand 2 to be const0_rtx. + +Tue Jun 4 16:43:44 1996 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (make_decl_rtl): Don't update DECL_ASSEMBLER_NAME for + local statics. + + * c-decl.c (start_decl): Always set DECL_COMMON on statics. + * varasm.c (assemble_variable): Only treat vars with DECL_COMMON + as common. + +Tue Jun 4 14:55:49 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.c (reloc_needed): New function. + * pa.h (TEXT_SPACE_P): Variables/constants with initializers + requiring relocs never live in the text space. + +Tue Jun 4 14:10:46 1996 Ian Lance Taylor <ian@cygnus.com> + + * sh.c (fp_zero_operand): Do not accept minus zero. + + * sh.h (ASM_OUTPUT_LOOP_ALIGN): Define. + (ASM_OUTPUT_ALIGN_CODE): Define. + (ADJUST_INSN_LENGTH): Add in bytes that may be added by + alignment. + * sh.c (output_branch): Run ADJUST_INSN_LENGTH in reverse to get + correct length. Just call abort rather than returning "bad". + (find_barrier): Adjust limits for possible alignment. + +Tue Jun 4 09:35:05 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/t-solaris: New target config file for PowerPC Solaris + without gas. + + * rs6000/t-ppc: Eliminate all multilib varients except for + software floating point. + + * configure (powerpcle-*-solaris*): If not --with-gnu-as, use + t-solaris, not t-ppc. + + * rs6000/sol2.h (MULTILIB_DEFAULTS): Add correct defaults for + Solaris. + + * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): Clone from svr4.h, omit + @progbits, since Solaris assembler doesn't like it. + (LIB_SOLARIS_SPEC): If -msolaris-cclib, add libabi.a. + ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use explicit + pathnames for the Solaris compiler start/end files. + (ASM_SPEC): Pass -mno-regnames to the assembler. + +Mon Jun 3 19:40:10 1996 Jim Wilson <wilson@cygnus.com> + + * mips/abi64.h (CPP_SPEC): Make -mabi=n32 the default. + * mips/iris6.h (MIPS_ISA_DEFAULT, MIPS_ABI_DEFAULT, MULTILIB_DEFAULTS, + ASM_SPEC, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise. + * mips.md (tablejump_internal4+1): Fix typo in condition. + * mips/x-iris6 (CC, OLDCC): Define to be `cc -32'. + +Mon Jun 3 07:57:35 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.def ([LR]SHIFT_EXPR): Remove `a' from printed names. + + * sparc.md (call): Mask unimp operand to 12 bits, just like Sun. + + * expr.c (store_field): Fix typo in last change; update TARGET addr. + + * c-decl.c (start_struct): Set TYPE_PACKED from flag_pack_struct. + (start_enum): Likewise but from flag_short_enums. + (finish_enum): Test TYPE_PACKED, not flag_short_enums. + * stor-layout.c (layout_decl): Test DECL_PACKED and TYPE_PACKED + instead of flag_pack_struct. + (layout_record): Likewise. + +Sun Jun 2 19:41:14 1996 Jim Wilson <wilson@cygnus.com> + + * mips.md (tablejump_internal3, tablejump_internal4): New patterns. + (tablejump): Use them for PIC code. + +Fri May 31 17:26:53 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.c (ix86_expand_epilogue): Don't generate references to an + exposed vacated stack. + * i386.md (epilogue_set_stack_ptr): New. + +Fri May 31 15:07:49 1996 Jim Wilson <wilson@cygnus.com> + + * mips/abi64.h: Add -mabi=n32 support. + (ABI_64BIT): Delete. + (TARGET_LONG64, CPP_SPEC, STACK_BOUNDARY, MIPS_STACK_ALIGN, + GP_ARG_LAST, FP_ARG_LAST, SUBTARGET_CONDITIONAL_REGISTER_USAGE, + MAX_ARGS_IN_REGISTER, FUNCTION_ARG_PADDING, RETURN_IN_MEMORY, + SETUP_INCOMING_VARARGS): Modify. + (REG_PARM_STACK_SPACE): Ifdef out. + (TARGET_DEFAULT, SUBTARGET_TARGET_OPTIONS): Define. + * mips/iris6.h: Add -mabi=n32 support. + (TARGET_DEFAULT, ASM_OUTPUT_INTERNAL_LABEL, + ASM_GENERATE_INTERNAL_LABEL): Delete. + (MULTILIB_DEFAULTS, ASM_SPEC, EXTRA_SECTION_FUNCTIONS, + ASM_OUTPUT_ALIGNED_LOCAL, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): + Modify. + (MIPS_ABI_DEFAULT, LOCAL_LABEL_PREFIX): Define. + * mips.c: Add -mabi=n32 support. + (mips_const_double_ok, mips_move_1word, mips_move_2words, + function_arg, override_options, mips_asm_file_start, + compute_frame_size, save_restore_insns, function_prologue, + mips_expand_prologue, function_epilogue, mips_function_value): Modify. + (mips_abi, mips_abi_string): Define + * mips.h: Add -mabi=n32 support. + (ABI_64BIT): Delete. + (TARGET_OPTIONS, INITIAL_ELIMINATION_OFFSET, GO_IF_LEGITIMATE_ADDRESS, + CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT_P, LEGITIMIZE_ADDRESS, + ASM_OUTPUT_ADDR_DIFF_ELT): Modify. + (enum mips_abi_type, SUBTARGET_TARGET_OPTIONS): Define. + (mips_abi, mips_abi_string): Declare. + * mips.md (jump, tablejump_internal1, tablejump_internal2): Add + -mabi=n32 support. + * mips/t-iris6 (MULTILIB_OPTIONS): Add -mabi=n32 support. + * mips/xm-irix6.h (HOST_BITS_PER_LONG): Use _MIPS_SZLONG not 64. + * ginclude/va-mips.h (va_start): Add -mabi=n32 support. + +Fri May 31 14:45:30 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -msolaris-cclib to use + the Sun compiler's crt files instead of ours. + ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use the Sun + compiler's crt files instead of ours. + (SUBTARGET_OVERRIDE_OPTIONS): Don't set -msdata=data for Solaris. + (SBSS_SECTION_ASM_OP): For Solaris, don't use @nobits. + (CPP_OS_SOLARIS_SPEC): Remove -Asystem(unix) and -Asystem(svr4). + + * rs6000/t-ppc{,gas} (MULTILIB*): Add Solaris specific multilibs. + + * rs6000/eabi{,le}sim.h (*_DEFAULT_SPEC): Rather than using + duplicate definitions, just use %(...) so that there is only one + place in the specs file where the switches are defined. + * rs6000/{linux,sol2}.h (*_DEFAULT_SPEC): Ditto. + + * rs6000/sol2.h (CPP_PREDEFINES): Use the standard one in sysv4.h. + (RS6000_ABI_NAME): Default is solaris. + (ASM_OUTPUT_ALIGNED_LOCAL): Don't redefine. + + * rs6000/sol-c{i.asm,n.asm,c0.c}: Provide more things that Solaris + needs for program startup. + +Thu May 30 21:57:34 1996 Mike Stump <mrs@cygnus.com> + + * tree.def (OFFSET_REF): Remove. + * expr.c (expand_expr, case OFFSET_REF): Likewise. + * tree.c (substitute_in_expr): Remove OFFSET_REF code. + +Wed May 29 14:54:44 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/eabi.asm (__eabi): If not -mrelocatable, don't assemble + relocatable functions, so that it can be assembled with the + Solaris assembler. + + * rs6000/sysv4.h (CPP_SYSV_SPEC): Define _RELOCATABLE if + -mrelocatable-lib as well as -mrelocatable. + + * rs6000.c (rs6000_file_start): New function to print some more + information to the asm file. + * rs6000/{sysv4,win-nt,rs6000}.h (ASM_FILE_START): Call it. + +Tue May 28 15:21:24 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.h (FIRST_PSEUDO_REGISTER): Bump to 77. + ({FIXED,CALL_USED}_REGISTERS): Add support for fpmem pseudo register. + (REG_ALLOC_ORDER, HARD_REGNO_{NREGS,MODE_OK}): Likewise. + (REGISTER_MOVE_COST, reg_class, REG_CLASS_{NAMES,CONTENTS}): Likewise. + (REGNO_REG_CLASS, PREFERRED_RELOAD_CLASS): Likewise. + (CLASS_{MAX_NREGS,CANNOT_CHANGE_SIZE,MAX_NREGS}): Likewise. + (rs6000_stack, {,DEBUG_}REGISTER_NAMES): Ditto. + (FPMEM_{REGNO_P,REGNUM}): New macros for fpmem register. + (rs6000_fpmem_{offset,size}): New global variables. + (RS6000_VARARGS_OFFSET): Fpmem temporary storage is located + between outgoing arg area and varargs save area. + (STARTING_FRAME_OFFSET, STACK_DYNAMIC_OFFSET): Likewise. + (PREDICATE_CODES): Add fpmem_operand. + ({count_register,fpmem}_operand): Add declarations. + + * rs6000.c ({rs6000,alt}_reg_names): Add support for fpmem 'register'. + (rs6000_fpmem_{offset,size}): New global variables. + (fpmem_operand): Return true for fpmem registers. + (gpc_reg_operand): The fpmem register is not general purpose. + (includes_rshift_p): Add casts to silence warnings from Solaris + PowerPC host compiler. + (print_operand): Add 'v' operand type for the upper 16 bits of + signed constants, to placate the Solaris assembler. + ({rs6000,debug}_stack_info): Add support for fpmem 'register'. + (output_epilog): Likewise. + + * rs6000.md (addsi3,movsi,movsf,movdi): Use %v for constants with + the upper 16 bits, to get the sign correct for PowerPC Solaris. + (float{,uns}sidf2,fix_truncdfsi2): Rewrite to use 'register' 76 + for the memory location used to convert between float and integer. + + * sysv4.h (ASM_OUTPUT_{CON,DE}STRUCTOR): Use code laid down in + .init and .fini for making constructors and destructors under + Solaris. + (ASM_SPEC): Do not pass -u to the assembler. + (CC1_SPEC): -mrelocatable implies -meabi. + + * sol2.h (RS6000_ABI_NAME): Default ABI is Solaris, not System V.4. + (ASM_OUTPUT_ALIGNED_LOCAL): Don't define Solaris specific method. + +Mon May 27 06:39:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (expand_builtin, case BUILT_IN_{LONG,SET}JMP): + Convert block address from ptr_mode to Pmode. + +Sun May 26 20:05:43 1996 Doug Evans <dje@cygnus.com> + + * gcc.c (MSDOS pexecute): Call xmalloc, not malloc. + +Sun May 26 08:31:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (vax-*-{sysv}): tm_file and xm_file now list. + (vax-*-ultrix): tm_file is now list. + (we32k-att-sysv*): xm_file now list. + * vax/xm-netbsd.h: Deleted. + * vax/netbsd.h: No longer include vax.h and config/netbsd.h. + * vax/ultrix.h, vax/vaxv.h: No longer include vax.h. + * vax/xm-vaxv.h: No longer include xm-vax.h. + * xm-we32k.h: No longer include xm-svr3.h. + + * configure: Separately set target_cpu_default for two + case statements and then combine if both set. + (alpha-*-winnt3): tm_file and xm_file are now list. + Set target_cpu_default to 64. + * winnt/config-nt.bat: Make .h files properly for Alpha. + * alpha.h (WINDOWS_NT): No longer defined and used. + (MASK_WINDOWS_NT, TARGET_WINDOWS_NT): New macros. + (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_WINDOWS_NT. + * alpha.c (output_prolog): Test TARGET_WINDOWS_NT, not WINDOWS_NT. + * alpha.md: Likewise. + * alpha/config-nt.sed: Properly set tm_file and {build,host}_xm_file. + * alpha/win-nt.h: Don't include alpha.h + (WINDOWS_NT): No longer define. + * alpha/xm-winnt.h: Don't include xm-alpha.h and winnt/xm-winnt.h. + +Fri May 24 12:34:22 1996 Doug Evans <dje@seba.cygnus.com> + + * configure (cpu_type): Add case for arm. + (sparclet-*-aout*): Delete extra_headers. + + * varasm.c (asm_output_bss): New argument DECL. + Use ASM_DECLARE_OBJECT_NAME if defined. + (asm_output_aligned_bss): Likewise. + (assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS. + * arm/aout.h (ASM_OUTPUT_ALIGNED_BSS): Update. + * h8300.h (ASM_OUTPUT_BSS): Update. + * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update. + * i386/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update. + * m68k/coff.h (ASM_OUTPUT_ALIGNED_BSS): Update. + * m68k/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update. + * m68k/m68k-aout.h (ASM_OUTPUT_BSS): Update. + * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update. + * rs6000/win-nt.h (ASM_OUTPUT_ALIGNED_BSS): Update. + * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update. + +Thu May 23 19:55:52 1996 Jim Wilson <wilson@cygnus.com> + + * combine.c (set_nonzero_bits_and_sign_copies): Set reg_sign_bit_copies + to one not zero to indicate value is unknown. + +Thu May 23 18:39:24 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * config/netbsd.h (SWITCH_TAKES_ARG): Add -R. + (LINK_SPEC): Add %{R*}. + + * m68k/lb1sf68.asm: Construct exception masks at compile time + instead of or'ing in bits at run time. + +Thu May 23 15:53:06 1996 Ian Lance Taylor <ian@cygnus.com> + + * sh.md: Add new instruction types fp and fpdiv. Set new + instruction types where appropriate. Add function unit fp. + Claim that store instructions use function unit memory. + +Thu May 23 00:36:19 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.h (CONSTANT_ADDRESS_P): Don't accept CONST or HIGH on H8/300H. + * h8300.md: Use "m" rather than "o" constraint everywhere appropriate. + Cleanup use of "i" and "n" constraints. + +Wed May 22 17:43:37 1996 Jim Wilson <wilson@cygnus.com> + + * fixincludes (pthread.h): Add extern to __page_size* declarations + for AIX 4.1.x. + + * combine.c (nonzero_bits): Don't assume arg pointer has same + alignment as stack pointer. + +Wed May 22 16:09:05 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (LINK_START_DEFAULT_SPEC): Spell macro correctly. + (LIB_DEFAULT_SPEC): Provide default version. + +Wed May 22 11:23:57 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * i386.md (return_pop_internal): new pattern. + (pop): disable emitting of bogus move instruction. + * i386.c (ix86_expand_epilogue): use gen_return_pop_internal to + simultanously return and pop args; removed stray semicolon. + * config/linux-aout.h, config/linux.h (SET_ASM_OP): Added for + __attribute__ ((alias ())) support. + +Wed May 22 08:06:42 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu.edu> + + * combine.c (init_reg_last_arrays, setup_incoming_promotions): + Correct prototypes. + +Tue May 21 13:42:17 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.md (div and mode patterns): Rewrite. + + * pa.c (basereg_operand): Never accept a CONST_INT. + +Tue May 21 12:26:40 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * pa/pa-hpux9.h, pa-osf.h (LINK_SPEC): Provide version for Snake. + +Tue May 21 07:20:48 1996 Pat Rankin <rankin@eql.caltech.edu> + + * vax.h (TARGET_NAME): Define unless already defined. + (TARGET_VERSION): Print TARGET_NAME. + * vax/vms.h (TARGET_NAME): Always redefine. + (TARGET_VERSION): Delete; retain vax.h definition. + +Mon May 20 14:00:44 1996 Jim Wilson <wilson@cygnus.com> + + * sh.c (output_file_start): Delete misplaced semicolon. + +Mon May 20 11:58:15 1996 Jeffrey A. Law <law@cygnus.com> + + * reorg.c (relax_delay_slots): Call update_block before + redirecting a branch past a redundant insn. + +Sun May 19 16:40:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * Makefile.in (libobjc.a, sublibobjc.a): 'specs' added to + dependencies. + +Sun May 19 12:25:48 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure: Add new switch to provide default for cpu_type; + delete numerous settings of it in main switch. + (hppa): Reflect rerrangements below; use new configure features. + * pa/pa-gas.h, pa/pa-pro-end.h: New files. + * pa/pa1.h, pa/pa1-osf.h, pa/pa1-ghpux.h, pa/pa1-oldas.h: Deleted. + * pa/pa1-ghpux9.h, pa/pa1-hpux9.h, pa/pa1-hpux.h: Deleted. + * pa/pa1-ghiux.h, pa/pa1-hiux.h, pa/pa-ghpux.h: Deleted. + * pa/pa-gux7.h, pa/pa-ghiux.h: Deleted. + * pa/pa-hiux.h: No longer include pa-hpux.h. + * pa/pa-hpux.h: No longer include pa.h. + (TARGET_DEFAULT): Unset before setting. + (LINK_SPEC): Provide option for pa1. + * pa/pa-hpux7.h: No longer include pa.h. + (HP_FP_ARG_DESCRIPTOR_REVERSED): Don't define here. + * pa/pa-hpux9.h, pa/pa-oldas.h: No longer include pa-hpux.h. + (TARGET_DEFAULT): Don't need to set here. + * pa/pa-osf.h: No longer include pa.h. + (TARGET_DEFAULT): Don't define; identical to default. + * pa/pa-pro.h: No longer include pa.h. + Move definitions after include to new file pa-pro-end.h. + * pa.h (TARGET_SWITCHES): Include TARGET_CPU_DEFAULT. + (TARGET_CPU_DEFAULT): Provide default value. + (CPP_SPEC): Test TARGET_CPU_DEFAULT too. + + * Makefile.in (function.o): Includes bc-emit.h. + (reg-stack.o): Includes insn-flags.h. + * expr.h (function_value): Deleted; no such function. + (bc_build_calldesc, bc_runtime_type_code): New declarations. + * c-decl.c: Add prototypes for all static functions. + * c-iterate.c: Likewise. + * dbxout.c: Likewise. + (adspath): Delete; never used and has numerous parse errors. + * dwarfout.c: If not GNUC, make `inline' null; otherwise, leave alone. + Add `static' to inline functions. + Add prototypes for static function. + * expr.c (bc_runtime_type_code): Delete redundant declaration. + * function.c: Include bc-emit.h. + ({save,restore}_machine_status): Add prototype for args. + (bc_runtime_type_code, bc_build_calldesc): Delete redundant decls. + (bc_emit_trampoline, bc_end_function): Likewise. + * reg-stack.c: Include insn-flags.h. + Add prototypes for static functions. + (gen_jump, gen_movdf, gen_movxf): Delete redundant declarations. + (find_regno_note, emit_jump_insn_before, emit_label_after): Likewise. + (swap_rtx_condition): Now static. + * sdbout.c: Add prototypes for static functions. + (sdbout_parms, sdbout_reg_parms): Delete extra parm to plain_type. + +Sun May 19 11:50:10 1996 John Carr <jfc@mit.edu> + + * alpha.c (alpha_emit_conditional_move): Compare to 0 in correct mode. + +Sat May 18 20:17:27 1996 Jim Wilson <wilson@cygnus.com> + + * sh.c (prepare_move_operands): If source is r0, and dest is reg+reg + MEM, then copy source to a pseudo-reg. + * sh.md (untyped_call): New pattern. + + * unroll.c (copy_loop_body): When update split DEST_ADDR giv, + check to make sure it was split. + (find_splittable_givs): Fix reversed test of verify_addresses result. + +Sat May 18 10:26:04 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * tree.c (unsave_expr_now): Avoid use of NULL_RTX since no rtl.h. + + * configure: Set cpu_default, tm_file, and xm_file early. + Remove redundant settings of those, tmake_file, and xmake_file. + Use ${tm_file} and ${xm_file} to refer to the main files. + Sort some entries for consistency and reformat some others. + (rs6000, powerpc): Remove bogus test on host == target. + (alpha-*-linux): xm-linux.h no longer includes xm-alpha. + (alpha-*-osf*): Remove redundant setting of target_cpu_default. + (*-convex-*): Use target_cpu_default instead of separate .h files. + (clipper-intergraph-clix*): clix.h no longer includes any files. + (i860, i960, pdp11): Reflect removal of includes listed below. + * alpha/xm-linux.h: No longer include xm-alpha.h. + * clipper/clix.h: No longer include clipper.h and svr3.h. + * convex.h: Provide a default for TARGET_DEFAULT. + Take "or" of TARGET_DEFAULT and TARGET_CPU_DEFAULT everywhere. + * convex/convex{1,2,32,34,38}.h: Deleted. + * i860/bsd-gas.h: No longer include bsd.h. + * i860/bsd.h: No longer include i860.h. + * i860/fx2800.h: No longer include i860/sysv4.h. + (OUTPUT_TDESC): No longer define. + (ASM_FILE_END): Move redefinition to here. + * i860/mach.h: No longer include i860.h. + * i860/paragon.h, i860/sysv3.h: No longer include i860.h and svr3.h. + * i860/sysv4.h: No longer include i860.h and svr4.h. + (ASM_FILE_END): Delete redefinition from here. + * i860/xm-fx2800.h: No longer include xm-i860.h. + * i860/xm-paragon.h, i860/xm-sysv{3,4}.h: Deleted. + * i960/i960-coff.h: No longer include i960.h and dbxcoff.h. + * i960/vx960-coff.h: No longer include i960-coff.h. + * i960/vx960.h: No longer include i960.h. + * pdp11/2bsd.h: No longer include pdp11.h. + + * i370/i370.h: Renamed from mvs.h. + * i370/i370.c: Renamed from mvs370.c. + * i370/t-i370: Renamed from t-mvs. + * i370/xm-i370.h: Renamed from xm-mvs.h. + * configure (i370-*-mvs*): Use default names for all files. + + * c-parse.in: Update number of shift/reduce conflicts for objc. + +Sat May 18 08:20:17 1996 Dennis Glatting (dennisg@plaintalk.bellevue.wa.us) + + * m68k/next.h (FINALIZE_TRAMPOLINE): Add missing backslashes. + +Fri May 17 19:57:20 1996 Pat Rankin <rankin@eql.caltech.edu> + + * vax/xm-vms.h (dbxout_resume_previous_source_file): New macro. + +Fri May 17 14:20:13 1996 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_expr, cond TARGET_EXPR): Make TARGET_EXPRs + redoable for UNSAVE_EXPR. + * stmt.c (expand_decl_cleanup): Wrap the cleanup in an UNSAVE_EXPR + to that we can redo it. + * tree.c (unsave_expr_now): Handle TARGET_EXPRs fully now. + * tree.def (TARGET_EXPR): Add a fourth field so that TARGET_EXPRs + are redoable. + + * expr.c (expand_expr, cond UNSAVE_EXPR): Move from the C++ + frontend to the backend where it belongs. + * tree.c (unsave_expr{,_now}): Likewise. + * tree.def (UNSAVE_EXPR): Likewise. + * tree.h (unsave_expr{,_now}): Likewise. + +Fri May 17 15:04:40 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (lshrsi3 insns): Add special case code for shifting by + 0 to avoid bad code generated with no optimization. + +Fri May 17 13:50:55 1996 Jason Merrill <jason@yorick.cygnus.com> + + * i386/unix.h (ASM_OUTPUT_MI_THUNK): Define. + * i386/{att.h,bsd.h,sun386.h} (ASM_OUTPUT_MI_THUNK): Delete. + +Fri May 17 13:34:28 1996 Ian Lance Taylor <ian@cygnus.com> + + * fp-bit.c (_fpdiv_parts): Correct sign handling when + dividing zero or infinity by something. + +Fri May 17 12:36:36 1996 Doug Evans <dje@seba.cygnus.com> + + Standardize option output in assembler files. + * Makefile.in (toplev.o): Pass -DTARGET_NAME. + * arm/aout.h (ASM_OUTPUT_OPTIONS): Delete. + (ASM_FILE_START): Delete option output support. + * arm.c (output_option, output_options, m_options): Delete. + * m88k.c (output_file_start): Delete option output support. + * m88k.h (ASM_COMMENT_START): Define. + * mips.c (target_switches, print_options): Delete. + (mips_asm_file_start): Put output of -G,Cpu,ISA here. + * mips.h (ASM_COMMENT_START): Change from "\t\t#" to " #". + * rs6000.c (output_option, m_options, output_options): Delete. + * rs6000.h (ASM_OUTPUT_OPTIONS): Delete. + (ASM_COMMENT_START): Define. + (ASM_FILE_START): Delete option output support. + * rs6000/sysv4.h (ASM_FILE_START): Likewise. + * rs6000/win-nt.h (ASM_FILE_START): Likewise. Delete duplicate. + * sh.c (output_option, m_options, output_options): Delete. + (output_file_start): Delete option output support. + * sh.h (ASM_FILE_START): Likewise. + (ASM_COMMENT_START): Define. + * dwarfout.c (*): flag_verbose_asm renamed to flag_debug_asm. + * flags.h (flag_debug_asm): Declare. + * toplev.c (print_version): New function. + (print_single_switch): New arguments pos, max, indent, sep, term. + (print_switch_values): New arguments pos, max, indent, sep, term. + Update call to print_single_switch. Output options passed and + options enabled. + (MAX_LINE): New macro. + (flag_debug_asm): Define. + (compile_file): Output options to assembler file. + (main): Recognize -dA. Call print_version. Update call to + print_switch_values. + (line_position): Deleted. + +Fri May 17 10:50:44 1996 Stan Cox (coxs@dg-rtp.dg.com) + + * i386.c (function_prologue, ix86_expand_prologue, + function_epilogue, ix86_expand_epilogue): Generate prologue and + epilogue as RTL (prior to scheduling) instead of emitting asm. + (override_options): If only -march is given, make it the default -mcpu. + * i386.h (FUNCTION_BEGIN_EPILOGUE): Renamed from FUNCTION_EPILOGUE. + * i386.md (return, return_internal, prologue, prologue_set_got, + prologue_get_pc, epilogue, leave, pop): New patterns for emitting + asm from prologue and epilogue RTL. + * m88k/t-dgux (T_CFLAGS): Delete. + * m88k/x-dgux (X_CFLAGS): New. + +Fri May 17 09:54:23 1996 Jim Meyering (meyering@asic.sc.ti.com) + + * Makefile.in (stamp-crt{,S}): Use -o to avoid conflicts if + both of these are built in parallel. + +Fri May 17 08:55:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expmed.c (store_split_bit_field): Don't assume the alignment + of VALUE is the same as the record. + + * configure: Write #define TARGET_CPU_DEFAULT into tm.h + instead of defining MAYBE_TARGET_DEFAULT in Makefile. + (alpha-*-linux): Set target_cpu_default to 4 and xmake_file to none. + (alpha-*-osf*): Set target_cpu_default to 4 if --gas. + * Makefile.in (gcc.o, toplev.o, $(out_object_file)): + Remove MAYBE_TARGET_DEFAULT. + + * combine.c (insn_cuid): New function. + (INSN_CUID): Sometimes call it. + +Fri May 17 08:12:37 1996 Scott Christley <scottc@net-community.com> + + * objc/sendmsg.c (objc_get_uninstalled_dtable): New function. + * objc/objc-api.h (objc_get_uninstalled_dtable): New declaration. + + * objc/thr-os2.c, objc/thr-posix.c, objc/thr-mach.c: New files. + * objc/THREADS.MACH: New file. + + * objc/sendmsg.c (nil_method): Deleted from here. + * objc/nil_method.c: New file. + * Makefile (OBJC_O): Add dependency for nil_method.c. + + * objc/hash.c (hash_is_key_in_hash): New function. + * objc/hash.h: Include objc/objc.h here instead of in objc/hash.c + to get BOOL typedef. + +Fri May 17 08:01:48 1996 Doug Rupp (rupp@gnat.com) + + * msdos/configur.bat: If Ada subdirectory present, adjust Makefile. + +Fri May 17 07:40:04 1996 Ulrich Drepper (drepper@cygnus.com) + + * stddef.h: If need_wint_t defined, nothing in this file is needed. + (_WINT_T, __WINT__TYPE__, wint_t): Define under certain circumstances. + +Thu May 16 18:53:25 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * fold-const.c (fold, case EQ_EXPR): When folding VAR++ = CONST, + mask the new const if VAR is a bitfield reference; also for VAR--. + +Thu May 16 18:29:03 1996 Doug Evans <dje@seba.cygnus.com> + + * varasm.c (function_section): Delete flag_function_sections support. + (assemble_start_function): Put it here. Use UNIQUE_SECTION if defined. + +Wed May 15 13:35:11 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.{h,c,md} (rs6000_pic_register): Delete all uses, use + pic_offset_table_rtx instead. + + * rs6000.md (move_to_float): Rewrite so that it uses the register + allocator to allocate the stack temp, instead of calling + rs6000_stack_temp. + (fix_truncdfsi2): Likewise. + + * rs6000.c (rs6000_stack_temp): Delete, no longer used. + +Wed May 15 10:39:27 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define. + +Sat May 11 07:42:59 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (store_field): Support BLKmode bitfield if aligned on + byte boundary using emit_block_move. + (expand_expr, case COMPONENT_REF): Likewise. + +Fri May 10 18:33:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (alpha-*-linux): Reverse order in tm_file list. + Delete xmake_file. + * alpha/x-linux: Deleted. + * alpha/linux.h (ASM_FINAL_SPEC): Add #undef. + * alpha/xm-linux.h: Remove bogus trailing #endif. + + * loop.c (maybe_eliminate_biv_1): Disable all but two cases + of biv elimination with givs and restrict those two cases to + an ADD_VAL that is an address. + + * flow.c (mark_set_1, mark_used_regs): Clean up usages + of ALL_NEEDED; change to SOME_NOT_NEEDED and set properly. + +Fri May 10 11:37:38 1996 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (compile_file): Don't warn about artificial functions + declared static and not defined. + +Thu May 9 22:03:28 1996 Doug Evans <dje@cygnus.com> + + * varasm.c (assemble_start_function): ASM_DECLARE_FUNCTION_NAME + needn't consider bytecodes. + (assemble_variable): ASM_DECLARE_OBJECT_NAME needn't + consider bytecodes. + * toplev.c (rest_of_decl_compilation): Likewise with + ASM_FINISH_DECLARE_OBJECT. + * arm/aof.h (ASM_DECLARE_{FUNCTION,OBJECT}_NAME): Delete bytecode + support. + * vax/vms.h (ASM_DECLARE_OBJECT_NAME): Likewise. + +Thu May 9 19:36:13 1996 Jim Wilson <wilson@cygnus.com> + + * sh.h (SET_ASM_OP): Define. + +Thu May 9 13:31:58 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sysv4.h (SUBTARGET_{SWITCHES,OPTIONS}): Add support for + finer grain control on -msdata, so that eabi people can specify to + compile sdata code to only use r13 instead of r2/r13. Make + -mrelocatable-lib turn off -msdata, just like -m relocatable does. + (SUBTARGET_OVERRIDE_OPTIONS): Ditto. + (ENCODE_SECTION_INFO): Move to rs6000.c. + (ASM_SPEC): -msdata=eabi sets -memb also. + (CC1_SPEC): -mno-sdata gets converted to -msdata=none. + + * rs6000.c (rs6000_sdata{,_name}): Add support for finer grain + control on -msdata. + (output_options, small_data_operand, print_operand): Likewise. + (rs6000_select_section): Likewise. + (rs6000_encode_section_info): Move here from sysv4.h, section + names are stored as STRING nodes, not IDENTIFIER. + +Wed May 8 21:04:49 1996 Doug Evans <dje@cygnus.com> + + * function.c (aggregate_value_p): Return 1 if TREE_ADDRESSABLE. + * pa.h (RETURN_IN_MEMORY): No longer test for TREE_ADDRESSABLE. + +Tue May 7 13:42:57 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c: Include obstack.h. + (bit_memory_operand): New function. + (print_operand): Append ":16" to a memory reference to + the tiny data area. + (h8300_tiny_data_p): New function. + (h8300_valid_machine_decl_attribute): Accept "tiny_data". Fix typo. + (h8300_encode_label): New function. + (h8300_adjust_insn_length): References to the tiny data section + are two bytes shorter than normal accesses on the H8/300H. + * h8300.h (OK_FOR_U): Fix thinko. + (ENCODE_SECTION_INFO): Encode info for tiny data variables. + (STRIP_NAME_ENCODING): Define. + * h8300.md (movqi insn): Fix length for a constant load. + (movstrictqi, movhi, movstricthi): Likewise. + (memory btst patterns): Add register to the constraints to keep + reload happy. + + * h8300.h (OK_FOR_U): (const (plus (symbol_ref) (const_int))) + is valid U operand if SYMBOL_REF_FLAG is set on SYMBOL_REF. + * h8300.md (memory btst patterns): New patterns. + + * h8300.c (h8300_eightbit_data_p): Renamed from h8300_tiny_data_p. + (h8300_eightbit_data_p): Check for the "eightbit_data" + attribute instead of "tiny_data". + (h8300_valid_machine_decl_attribute): Likewise. + * h8300.h (ENCODE_SECTION_INFO): Call h8300_eightbit_data_p + instead of h8300_tiny_data_p. + + * h8300.h (READONLY_DATA_SECTION): Define. + (EXTRA_SECTIONS): Add in_readonly_data. + (READONLY_DATA_SECTION_ASM_OP): Define. + (EXTRA_SECTION_FUNCTINOS): Add readonly_data. + +Tue May 7 09:26:24 1996 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (make_decl_rtl): Update DECL_ASSEMBLER_NAME for local + statics. Remove reference to flag_no_common. + +Mon May 6 21:38:36 1996 Paul Eggert <eggert@twinsun.com> + + * cpplib.c (skip_comment, handle_directive): Don't use uninit vars. + +Mon May 6 18:47:36 1996 Doug Evans <dje@cygnus.com> + + * dbxout.c (dbxout_function): When deciding to call dbxout_function_end + change test from flag_function_sections to DECL_SECTION_NAME != NULL. + + * varasm.c (named_section): Accept any decl. + +Mon May 6 16:41:08 1996 Stan Cox (coxs@dg-rtp.dg.com) + + * final.c (final_scan_insn): Modify conditional moves whose cc is + nonstandard. + + * c-common.c (decl_attributes): Chain multiple attributes correctly. + +Mon May 6 15:41:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stmt.c (expand_decl): Don't deduce alignment of SIZE from + DECL_ALIGN; use TYPE_ALIGN instead. + + * function.c (assign_parms): Set RTX_UNCHANGING_P in stack_parm + if parm is read-only. + + * c-common.c (truthvalue_conversion, case ADDR_EXPR): Don't + treat address of external decl as always nonzero. + +Mon May 6 11:33:57 1996 Jason Merrill <jason@yorick.cygnus.com> + + * c-decl.c (start_decl): Check -fno-common here. + * varasm.c (assemble_variable): Instead of here. + * final.c (end_final): Likewise. + * c-common.c (init_attributes, decl_attributes): Add A_COMMON. + +Mon May 6 11:12:39 1996 Mike Stump <mrs@cygnus.com> + + * expr.c (expand_increment): Add third parameter to know when to + ignore the result value. + (store_constructor): Likewise + (expand_expr, case {PRE,POST}{INC,DEC}REMENT_EXPR): Likewise. + * tree.c (stabilize_reference): Always ignore the first operand of + COMPOUND_EXPRs. + +Mon May 6 13:14:45 1996 Jim Wilson <wilson@cygnus.com> + + * sh.c (gen_shifty_op): Truncate VALUE to avoid out of bounds array + access. + + * expr.c (expand_expr, case INDIRECT_REF): Delete obsolete code + to special case a SAVE_EXPR operand. + +Mon May 6 10:00:12 1996 Pat Rankin <rankin@eql.caltech.edu> + + * vax.h (ASM_OUTPUT_MI_THUNK): Define. + +Mon May 6 09:49:10 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k/linux.h: Use the new trampoline definition. + (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Deleted. + (INITIALIZE_TRAMPOLINE): Changed. + (FINALIZE_TRAMPOLINE, CLEAR_INSN_CACHE): New. + +Mon May 6 09:43:55 1996 Patrick J. LoPresti (patl@lcs.mit.edu) + + * rtlanal.c (rtx_addr_varies_p): Scan operands of type `E'. + +Mon May 6 09:04:40 1996 H.J. Lu (hjl@gnu.ai.mit.edu) + + * x-linux{,-aout} (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): Deleted. + * config/t-linux (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): New, + moved from x-linux. + * t-linux-aout: New file. + * configure (i[3456]86-*-linux*oldld*, i[3456]86-*-linux*aout*): + Set tmake_file to t-linux-aout. + +Sun May 5 22:13:22 1996 H.J. Lu (hjl@gnu.ai.mit.edu) + + * Makefile.in (gxx_include_dir): Change to $(prefix)/include/g++. + (old_gxx_include_dir): New - defined as $(libdir)/g++-include. + (cccp.o, cpplib.o): Also pass OLD_GPLUSPLUS_INCLUDE_DIR (set + from $(old_gxx_include_dir)). + * cccp.c (include_defaults_array): For C++, also search + OLD_GPLUSPLUS_INCLUDE_DIR. + * cpplib.c (default_include): Likewise. + * configure: Remove no-longer-needed support for --gxx-include-dir. + +Sun May 5 21:59:53 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-lex.c (check_newline): Fix #pragma parsing; issue error message + for directive that starts with `p' but isn't `pragma'. + +Sun May 5 13:13:40 1996 Jeremy Bettis <jeremy@hksys.com> + + * objc/hash.c (hash_value_for_key): Prevent endless loop when 0 was + stored in a hashtable. + +Sun May 5 13:09:54 1996 Satoshi Adachi (adachi@wisdom.aa.ap.titech.ac.jp) + + * m68k/newsgas.h (SET_ASM_OP, ASM_WEAKEN_LABEL): Define. + +Sun May 5 12:48:08 1996 Stephen L Moshier (moshier@world.std.com) + + * tree.c (build_real_from_int_cst): Remove spurious test for + REAL_IS_NOT_DOUBLE. + +Sat May 4 12:17:58 1996 Richard Earnshaw (rearnsha@armltd.co.uk) + + * arm.h (ASM_OUTPUT_MI_THUNK): Moved here from aout.h. Rewrite to be + independent of the selected assembler, and to use optimal number of + instructions. + * arm/aout.h (ASM_OUTPUT_MI_THUNK): Delete. + + * arm/aout.h (ASM_OUTPUT_OPTIONS): Define. + (ASM_FILE_START): Call ASM_OUTPUT_OPTIONS. + (BSS_SECTION_OP): Define. + (ASM_OUTPUT_ALIGN): Don't output anything if byte alignment is wanted. + (ASM_OUTPUT_ALIGNED_BSS): Define. + * arm.h (target_cpu_name): Delete. + (TARGET_SWITCHES): Delete "be" and "le". + (TARGET_OPTIONS): Delete "cpu-", add "tune=". + (struct arm_cpu_select): New struct. + (PROCESSOR_DEFAULT, TARGET_CPU_DEFAULT): Define. + (EXTRA_CC_MODES, EXTRA_CC_NAMES): Add CC_Cmode. + (CANONICALIZE_COMPARISON): Define. + * arm.c (arm_select): Declare and initialize. + (all_procs): Add arm7100. + (arm_override_options): Parse arm_select structure to determine + selected architecture and tuning parameters. + (output_option, output_options): New functions. + (arm_canonicalize_comparison): New function. + (arm_gen_movstrqi): Don't add a writeback of the index registers for + the last instructions. + (arm_select_cc_mode): Detect case where mode is carry out of unsigned + arithmetic. + (output_lcomm_directive): Use bss_section (), and use alignment + rather than rounding. + (get_arm_condition_code): Handle CC_Cmode. + (final_prescan_insn): Avoid boundary case where we would occasionally + inline MAX_INSNS_SKIPPED+1 insns. Allow call_insns to be inlined in + APCS_32 mode if they are the last insn in the block. + * arm.md (*addsi3_compareneg): Delete potentially unsafe insn. + (*addsi3_compare_op[12]): New insns. + (*compare_addsi2_op[01]): New insns. + (*addsi3_carryin, *addsi3_carryin_alt[12]): New insns. + (*cmp_ite1): Use arm_add_operand instead of arm_rhs_operand. + * semi.h (PROCESSOR_DEFAULT): Default to PROCESSOR_ARM6. + +Fri May 3 10:52:11 1996 1996 Stan Cox (coxs@dg-rtp.dg.com) + + * i386.md (movesicc, movehicc) Pentium Pro conditional move insns. + + * i386.h (TARGET_PENTIUMPRO, TARGET_CMOVE, BRANCH_COST, + ASM_OUTPUT_FUNCTION_PREFIX): New macros for conditional move. + + * i386.c (asm_output_function_prefix, function_prologue): Setup + pic on Pentium Pro so a return will match the call. + (print_operand, put_condition_code): Output conditional move suffixes. + +Fri May 3 10:52:11 1996 Jason Merrill <jason@yorick.cygnus.com> + + * i386/{att.h,gas.h,bsd.h,sub386.h} (ASM_OUTPUT_MI_THUNK): Define. + +Wed May 1 17:54:51 1996 Doug Evans <dje@cygnus.com> + + * sparc.h (ASM_OUTPUT_MI_THUNK): Fix for sparc64, optimize. + +Wed May 1 13:28:32 1996 Jason Merrill <jason@yorick.cygnus.com> + + * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Define. + * i386/sysv4.h: Likewise. + * sparc/sysv4.h: Likewise. + +Wed May 1 01:44:47 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (h8300_adjust_insn_length): Adjust the cost of + shifts by small constant values. + * h8300.md: Remove names from many patterns which don't need them. + (compare insns): Don't underestimate lengths. + (andqi3 expander): Remove constrains. + (andhi3): Don't underestimate length. + (andsi3): Don't underestimate length. Improve code when upper + or lower half of destination is being cleared. + (indirect_jump_h8300, indirect_jump_h8300h): Simplify. + (shift insns): Remove useless "I" constraint. + + * h8300.md (bcs type): Remove "bcs" type attribute and all references. + (bcs insns): Delete. No longer needed. + (setcc from bitfield): Rewrite to use zero_extract. Provide + QImode, HImode and SImode variants. + +Tue Apr 30 18:13:09 1996 Jason Merrill <jason@yorick.cygnus.com> + + * svr4.h (SELECT_SECTION): If RELOC is true, put it in data. + +Tue Apr 30 17:26:30 1996 Jason Merrill <jason@yorick.cygnus.com> + + * fold-const.c (fold): Don't call convert to recreate tree nodes + we already have. + +Tue Apr 30 16:52:41 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (one_insn_adds_subs_operand): New function. + (h8300_adjust_insn_length): New function. + * h8300.h (ADJUST_INSN_LENGTH): Define. + * h8300.md: Remove obsolete comments. + (move patterns): Tweak constraints. + (tst patterns): Use "register_operand" for predicate. + (adds pattern): Use one_insn_adds_subs_operand to get length + computation correct. + (subs pattern): Similarly. + (movstrhi): Remove unused expander. + (fancy*, pxor, and-not patterns): Remove. No longer needed. + +Tue Apr 30 13:35:06 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/sol-c0.c (_start): Temporarily display calling + __do_global_ctors, since the Solaris linker doesn't handle the + relocations properly. + +Mon Apr 29 13:03:12 1996 Doug Evans <dje@cyguns.com> + + * sparc/vxsparc.h: sparc-aout.h renamed to aout.h. + +Mon Apr 29 00:35:15 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (names_small): Remove "BAD" postfix from %r7 byte registers. + (rtx_equal_function_value_matters): Remove extra declaration. + (output_simode_bld): New function. + * h8300.h (NO_FUNCTION_CSE): Do define this. + (reg_class): Remove LONG_REGS, SP_REG, SP_AND_G_REGS. + (REG_CLASS_{NAMES,CONTENTS,FROM_LETTER}): Corresponding changes. + (REGNO_REG_CLASS): Corresponding changes. + (output_simode_bld): Declare. + * h8300.md: Nuke comments for stuff which has been fixed. + (all patterns): Remove references to register class "a" (SP_REGS) + which no longer exists. + (many patterns): Accept auto-inc auto-dec addresses in more cases. + (zero_extendqisi2): New pattern for the H8/300. + (zero_extendhisi2): Only use zero_extendhisi2_h8300 when not + optimizing. + (extendhisi2): Only use extendhisi2_h8300 when not optimizing. + (extendqisi2): New pattern for the H8/300. + (bitfield related patterns): Completely rewrite. + (fancy_bclr, fancy_btst): Deleted. + (addhi3 pattern for h8300): Handle case where we can't make matching + constraints (works around hard to fix reload problem). + (stack_pointer_manip): Delete. + (and not patterns): New combiner patterns. + + * pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Make sure the + final $CODE$ subspace is in the $TEXT$ space. + +Sun Apr 28 14:52:21 1996 Jason Merrill <jason@yorick.cygnus.com> + + * svr4.h (ASM_OUTPUT_SECTION_NAME): If no decl is specified, + make the section read/write data. + +Sat Apr 27 10:28:59 1996 Michael Meissner <meissner@wogglebug.tiac.net> + + * rs6000/t-ppcgas (MULTILIB_EXCEPTIONS): Don't allow -mrelocatable + and -mcall-sysv-noeabi. + + * rs6000/sysv.h (SUBTARGET_OVERRIDE_OPTIONS): The -mcall-aix + option sets -meabi. Don't allow -mrelocatable without -meabi. + +Fri Apr 26 16:10:46 1996 Doug Evans <dje@cygnus.com> + + * sparc.md (*smacsi,*smacdi,*umacdi): Fix constraint on + operand 0. + +Fri Apr 26 14:36:33 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * i960/t-{960bare,vxworks960} (MULTILIB*): Add + soft-float multilib support. + +Fri Apr 26 06:38:56 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * stor-layout.c (layout_decl): Turn off DECL_BIT_FIELD for BLKmode + that's properly aligned and a multiple of a byte. + +Thu Apr 25 22:43:19 1996 Doug Evans <dje@cygnus.com> + + * i386/gas.h (ASM_OUTPUT_ALIGN): #if 0 out again. + Undoes change of Apr. 9. + * i386/go32.h (ASM_OUTPUT_ALIGN): Define. + +Thu Apr 25 14:05:33 1996 Richard Kenner (kennervlsi1.ultra.nyu.edu) + + * calls.c (expand_call): In inlining case, if BEFORE_CALLS is + zero, start looking at first insn (one more place). + + * expr.c (expand_builtin, case BUILT_IN_SETJMP): CLOBBER the + static chain after label at setjmp point. + +Thu Apr 25 09:02:24 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (print_operand{,_address}): Correct compile error if + TARGET_EABI is not defined. Also, just call small_data_operand, + without testing the ABI. + (rs6000_select_section): Ditto. + + * rs6000/sysv4.h (CC1_SPEC): For -mcall-solaris, don't pass + -mno-main-init. + +Wed Apr 24 18:26:48 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * collect2.c (handler): Delete export_file when we get a signal. + +Wed Apr 24 14:54:44 1996 Jeffrey A. Law <law@cygnus.com> + + * pa/pa1-ghpux.h (LINK_SPEC): Define. Link in PA1.1 libraries + by default. + * pa/{pa1-ghpux9.h, pa1-hpux.h, pa1-hpux9.h}: Likewise. + +Wed Apr 24 11:12:06 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure (powerpc{,le}-*-eabi*): Use t-ppc{,gas}, instead of + t-eabi{,gas}. + (powerpc-*-linux,powerpcle-*-solaris): Add definitions. + (MULTILIB_DIRNAMES): Pick shorter names for the multilib + directories. + (MULTILIB_*): Do not build -msdata versions of the library. Build + both system V and eabi versions of the libraries. + + * rs6000/t-ppc{,gas} (MULTILIB*): Don't build -msdata versions of + the libraries. Split -mcall-sysv libraries into + -mcall-sysv-{eabi,noeabi} varients. + (LIB2FUNCS_EXTRA): Add eabi.S, eabi-ctors.c. + (eabi.S): Use eabi.S, not eabi.s for eabi.asm. + (crt files): Add support for Solaris crt files. + + * rs6000/sol{2.h,-c0.c,-ci.asm,-cn.asm}: New files for Solaris. + + * rs6000/linux.h: New file for Linux-based GNU system support. + + * rs6000/eabi-ci.asm (ppc-asm.h): Include. + (.got section): Correct attribute. + + * rs6000/eabi-c{i,n}.asm (.init,.finit): Add support for System V + style .init/.fini sections, that constructors and destructors + place a bl <func> in the appropriate section. + + * rs6000/eabi-ctors.c (__do_global_{c,d}tors): Call __init, and + __fini to handle constructors/destructors in the .init, .fini + sections. + + * rs6000/{eabi,sysv}.h: Move most eabi configuration stuff from + eabi.h to sysv.h. + + * rs6000/sysv.h (TARGET_*): Convert -mcall-xxx from switch into option. + Add -mcall-{solaris,linux,sysv-eabi,sysv-noeabi} options. + Add -m{,no-}eabi options to control whether we adhere to + the System V spec or the EABI spec. Add -m{,no-}regnames to + control whether registers are printed out as %r0 instead of 0. + (SUBTARGET_OVERRIDE_OPTIONS): Add support for new -mcall options. + (FP_ARG_MAX_REG): Use new macros for ABI conformance. + (RS6000_REG_SAVE): Likewise. + (STACK_BOUNDARY,BIGGEST_ALIGNMENT): If eabi, align to 8 byte + boundary, otherwise 16 byte. + (EXTRA_SECTIONS): Add .init, .fini sections. + (*_SPEC): Reorganize so that the different targets all have sub + specs that go in the specs file. Add support for linux and + Solaris targets. + + * rs6000/{sysv4,eabi}*.h (*_SPECS): Only override the default + spec, all other specs moved to sysv4.h. + (RS6000_ABI_NAME): Use RS6000_ABI_NAME to set the default ABI + name, not TARGET_DEFAULTS. + + * rs6000/xm-sysv4.h (alloca): Properly declare alloca if compiler + is not GCC. + (DONT_DECLARE_SYS_SIGLIST): Define. + + * rs6000.c (rs6000_abi_name): New global for getting the results + of -mcall-xxx. + (rs6000_reg_names): New global for holding the normal register names. + (alt_reg_names): Alternate register names for -mregnames. + (rs6000_override_options): If -mregnames, copy alt_reg_names into + rs6000_reg_names. + (input_operand): Recognize ABI_SOLARIS. + (small_data_operand, init_cumulative_args): Likewise. + (function_arg{,_boundary,_advance,_partial_nregs}): Likewise. + (function_arg_pass_by_reference, setup_incoming_varargs): Likewise. + ({rs6000,debug}_stack_info, output_{prolog,epilog}): Likewise. + (print_operand): %$ prints '.' on Solaris, '$' elsewhere. + (print_operand{,_address}): If not eabi, use @sdarel for small + data references. + (rs6000_stack_info): Only emit __eabi call if TARGET_EABI. + + * rs6000.h (*_SPECS): Move the System V specs to svr4.h. + (ABI_SOLARIS): New ABI, mostly like System V. + (EXTRA_CONSTRAINT): Use ABI_SOLARIS like ABI_V4. + (RETURN_ADDRESS_OFFSET, (LEGITIMATE_SMALL_DATA_P): Likewise. + (RETURN_IN_MEMORY): On Solaris, small structures are returned in regs. + (REGISTER_NAMES): Use rs6000_reg_names array, instead of string + literals. + (DEBUG_REGISTER_NAMES): Define. + (ADDITIONAL_REGISTER_NAMES): Add sp, toc aliases. + (PRINT_OPERAND_PUNCT_VALID_P): Recognize $ as a punctuation char. + + * rs6000.md (got & call patterns): Use ABI_SOLARIS to mean the + same as ABI_V4. + (branch patterns): Use %$ for the current location, not just $. + + * va-ppc.h: Add Solaris support. + +Tue Apr 23 20:02:13 1996 Doug Evans <dje@cygnus.com> + + * sparc.c (output_function_prologue): In -mbroken-saverestore + case, %sp = %fp - size. + * sparc/t-splet (TARGET_LIBGCC2_CFLAGS): Delete. + * sparc.md (isa attribute): Add sparclet. + (*smacsi,*smacdi,*umacdi): Use match_operand, not match_dup + for third arg. + (*mulsidi3_sp32,const_mulsidi3,*umulsidi3_sp32,const_umulsidi3): Use + smuld,umuld for sparclet. + +Tue Apr 23 16:28:28 1996 Michael Meissner <meissner@wombat.gnu.ai.mit.edu> + + * m68k/m68kemb.h: Add {LINK,STARTFILE,LIB,SUBTARGET}_SPEC, so + gcc will use libgloss for supported target boards {idp,mvme,bcc}. + +Tue Apr 23 16:00:28 1996 Per Bothner <bothner@cygnus.com> + + * expr.c (store_constructor): Fix test for missing array elements. + +Tue Apr 23 11:21:09 1996 Stephen L Moshier (moshier@world.std.com) + + * i386/sco5.h (BSS_SECTION_ASM_OP): Use `data' directive. + (ASM_OUTPUT_ALIGNED_LOCAL): Generate an `lcomm' directive. + (TARGET_DEFAULT): Include TARGET_IEEE_FP. + (CPP_PREDEFINES): Include Di386. + +Mon Apr 22 12:00:46 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (BIGGEST_FIELD_ALIGNMENT): Delete. + (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Define. + * sysv4.h (BIGGEST_FIELD_ALIGNMENT): Delete. + (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine. + * win-nt.h (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine. + +Sun Apr 21 17:52:36 1996 Jim Wilson <wilson@cygnus.com> + + * m68k/coff.h (ASM_OUTPUT_SECTION): Test DECL before + dereferencing it. + + * cse.c (cse_process_notes): Handle SUBREG like ZERO_EXTEND. + +Sun Apr 21 12:57:12 1996 Doug Evans <dje@cygnus.com> + + * arm/aout.h (ASM_OUTPUT_MI_THUNK): Define. + +Sun Apr 21 09:50:09 1996 Stephen L Moshier (moshier@world.std.com) + + * choose-temp.c: Include sys/types.h before sys/file.h for sco3.2v5. + +Sun Apr 21 08:42:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (check_float_value): Cast args of bcopy to avoid warnings. + +Sat Apr 20 21:22:21 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * stor-layout.c (layout_record): Use ADJUST_FIELD_ALIGN to modify + alignment of fields within records. + +Sat Apr 20 19:55:33 1996 Niels Moller <nisse@lysator.liu.se> + + * c-parse.in (typespec): Made <SomeProtocol> equivalent + to (id <SomeProtocol>). + (non_empty_protocolrefs): New nonterminal. + +Sat Apr 20 08:34:02 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * stmt.c (check_for_full_enumeration_handling): Call case_tree2list + before checking for case expressions not corresponding to enumerators. + (mark_seen_cases): If SPARSENESS == 2, exploit AVL order. + Else, convert tree to list. + Set xlo to -1 if SPARSENESS == 1 search failed. + (expand_end_case): Avoid calling case_tree2list on list. + +Fri Apr 19 16:54:57 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000/win-nt.h (BIGGEST_FIELD_ALIGNMENT): Set to 64, not + 32 that AIX uses. + +Fri Apr 19 16:40:38 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * i386.md (movqi): Handle QImode values in %si and %di. + +Thu Apr 18 20:56:56 1996 Jim Wilson <wilson@cygnus.com> + + * sh.md (lshrsi3): Change gen_ashlsi3_d to gen_lshrsi3_d. + +Thu Apr 18 15:49:28 1996 Per Bothner <bothner@cygnus.com> + + * sparc.h (ASM_OUTPUT_MI_THUNK): Define. + +Thu Apr 18 15:19:26 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.md: Remove "type" attribute from all patterns except those + which have varying length branches. Eliminate obsolete "type" + attributes. Add "length" and "cc" attributes to insns without them; + fix some length computations. Remove patterns which are commented out. + + * h8300.md (zero extension expanders and insns): Simplify, fix various + length problems, provide optimized versions for the h8300 and h8300h. + (sign extension expanders and insns): Likewise. Make them + nearly identical to zero_extension patterns and insns. + +Wed Apr 17 18:50:16 1996 Jeffrey A. Law <law@cygnus.com> + + * pa.h (SELECT_SECTION): Define. Never place a something + into the read-only data section if it requires a reloc. + + * pa.md (rotlsi3): Delete unnecessary and incorrect pattern. + +Wed Apr 17 17:15:40 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.md (movdi): Never FAIL, even if operand[1] is not a + general operand, due to being in volatile memory. + +Wed Apr 17 15:20:10 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * c-lex.c (check_newline): Rewrite to use tokens. + (handle_sysv_pragma): Take a token instead of a character. + * i960.c (process_pragma): Take the IDENTIFIER_POINTER tree + node instead of a character. + * sh.c (handle_pragma): Likewise. + * config/nextstep.c (handle_pragma): Likewise. + * h8300.c (handle_pragma): Likewise. + * i960.h (HANDLE_PRAGMA): Expect/pass 2nd arg of NODE, not CH. + * sh.h (HANDLE_PRAGMA): Likewise. + * config/nextstep.h (HANDLE_PRAGMA): Likewise. + * h8300.h (HANDLE_PRAGMA): Likewise. + +Wed Apr 17 14:28:43 1996 Doug Evans <dje@cygnus.com> + + * choose-temp.c: Don't include sys/file.h ifdef NO_SYS_FILE_H. + #include <stdio.h>. + (choose_temp_base): Make tmp,usrtmp, static locals. + +Wed Apr 17 08:41:02 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (alpha_emit_conditional_move): Fix some bugs in previous + change and do some cleanup. + +Tue Apr 16 18:53:05 1996 Jim Wilson <wilson@cygnus.com> + + * reload.c (push_reload): Add extra reload for inside of SUBREG if + it is CONSTANT_P. + + * expr.c (do_store_flag): Rewrite last change to avoid compiler + warnings. + + * reload.c (push_reload): When reuse an old reload, set the modes + to be the larger of the old and new modes. + + * i960/t-960bare (xp-bit.c): Fix typo in source file name. + +Tue Apr 16 18:09:16 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.md (andhi3): If 2nd operand is a CONST_INT that meets 'J' + constraint, then only two bytes are needed for this insn. Improve + code generated for the h8300h when both operands are registers. + (iorhi3, xorhi3): Likewise. Rework to be nearly identical to andhi3. + (andsi3): If 2nd operand is a CONST_INT that meets the 'J' + constraint, then only two bytes are need for this insn. + Improve code generated for the h8300h regardless of the + type of the 2nd operand. Make this pattern work on the h8300 too. + (iorsi3, xorsi3): Likewise. Rework to be nearly identical to andsi3. + (iorqi3_internal): Make this pattern look more like andqi3_internal. + (one_cmplhi2, one_cmplsi2): Fix length computation for H8300H. + +Tue Apr 16 17:43:25 1996 J"orn Rennecke (amylaar@meolyon.hanse.de) + + * i386.md (addsidi3_2): Handle non-MEM overlap case. + +Tue Apr 16 16:59:49 1996 Richard Henderson <rth@tamu.edu> + + * function.c (expand_function_end): Allow TRAMPOLINE_TEMPLATE + to be omitted on systems for which it is not cost effective. + * varasm.c (assemble_trampoline_template): No such function + if no TRAMPOLINE_TEMPLATE. + * m68k.h: Greatly simplify the run-time trampoline code: + (TRAMPOLINE_TEMPLATE, TRANSFER_FROM_TRAMPOLINE): Delete define. + (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Changed. + (TRAMPOLINE_ALIGN): No point aligning to cache line. + (FINISH_INIT_TRAMPOLINE): New define. + * m68k/next.h: Instead of redefining INITIALIZE_TRAMPOLINE, + make use of the new FINISH_INIT_TRAMPOLINE. + * m68k/{m68k.h,next.h,aux.h} (FINISH_INIT_TRAMPOLINE): + Rename to FINALIZE_TRAMPOLINE. + * m68k/{linux.h,m68kv4.h}: Override trampoline macros. + +Tue Apr 16 16:02:50 1996 David Edelsohn <edelsohn@mhpcc.edu> + + * combine.c (make_field_assignment): Allow XOR in final case. + +Tue Apr 16 11:33:53 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * m68k.h (TARGET_SWITCHES): Don't remove MASK_68060 with -msoft-float. + + * m68k.h (MULL_COST, MULW_COST, RTX_COSTS): Add costs for TARGET_68060. + * m68k.md (ashlsi_16, lshrsi_16): Disable pattern for TARGET_68060; + this special case is not faster for that cpu. + +Tue Apr 16 10:54:55 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov> + + * alpha.c (alpha_emit_conditional_move): New function. + * alpha.h (alpha_emit_conditional_move): Declare it. + * alpha.md (cmov* define_expands): Use it. + +Tue Apr 16 09:06:17 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * function.h (struct function): New field returns_pointer. + * function.c (push_function_context_{to,from}): Save and restore + current_function_returns_pointer. + + * config/svr4.h (ENDFILE_SPEC): Add missing `%s'. + + * configure (m68k-*-linux*aout*): Set tmake_file to m68k/t-linux-aout. + (m68k-*-linux*): Set extra_parts. + * m68k/t-linux (INSTALL_ASSERT_H): New definition. + (CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): New definitions. + * m68k/t-linux-aout: New file. + * m68k/linux.h (LIB_SPEC): Deleted. + (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Define. + + * m68k.h (TRAMPOLINE_ALIGNMENT): Specify alignment in bits, not bytes. + +Tue Apr 16 08:53:17 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * final.c (final_scan_insn): Allow removal of redundant test and + compare instructions that use clobbers. + +Tue Apr 16 06:22:00 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-decl.c (clear_limbo_values): New function. + (pushdecl): Call it for function body blocks. + + * objc/thr-decosf1.c (_objc_thread_id): Correct return type from + int to _objc_thread_id. + + * expr.c (expand_builtin, case BUILT_IN_LONGJMP): Make a decl + for __dummy, so we can call make_function_rtl on it. + + * expr.c (expand_assignment): Don't pre-evaluate RHS if a CALL_EXPR + with a variable-size return. + +Mon Apr 15 17:38:45 1996 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Fix undefined VOIDFUNCPTR in VxWorks 5.2 <time.h>. + +Mon Apr 15 15:12:16 1996 Jim Wilson <wilson@cygnus.com> + + * expr.c (do_store_flag): Before calling exact_log2, remove any + sign extension bits. + + * reload1.c (emit_reload_insns): Call reload_reg_reaches_end_p for + every reg of multi-reg spill register. Invalidate old info for multi + reg spill registers when only part survives to the end. + +Mon Apr 15 14:49:12 1996 Mike Stump <mrs@cygnus.com> + + * function.c (preserve_temp_slots): Only preserve temporaries that + happen to be at the current level. + +Mon Apr 15 14:08:12 1996 Doug Evans <dje@canuck.cygnus.com> + + * gansidecl.h: New file. + * choose-temp.c: New file. + * Makefile.in (xgcc): Depend on and link in choose-temp.o. + (collect2): Likewise. + (choose-temp.o): Add rule for. + * collect2.c: #include "gansidecl.h". + (const,PROTO): Delete. + (P_tmpdir): Delete. + (choose_temp_base): Declare as extern, delete internal copy. + (main): Update call to choose_temp_base. + * cpphash.c: #include "gansidecl.h". + (NULL,const,volatile): Delete. + * demangle.h: #include "gansidecl.h". + (PROTO,PTR,const): Delete. + * expr.h (const): Delete. + * fix-header.c: #include "gansidecl.h". + (const): Delete. + * gcc.c: #include "gansidecl.h". + (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,NULL): Delete. + (GENERIC_PTR,NULL_PTR,P_tmpdir): Delete. + (choose_temp_base): Declare as extern, delete internal copy. + (concat): Rewrite to take a variable number of arguments. + (choose_temp_base_try,concat[346]): Delete. + (translate_options,set_spec,process_command,do_spec_1, + is_directory,main): Always use concat, not concat[346]. Pass + NULL_PTR as trailing arg to concat. + * genattr.c (main): Delete printing of "#define PROTO". + * machmode.h: #include "gansidecl.h". + (PROTO): Delete. + (HAVE_MACHINE_MODES): Move definition to standard place. + * recog.h: #include "gansidecl.h". + (PROTO,const): Delete. + * rtl.h: #include "gansidecl.h". + (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,STDIO_PROTO): Delete. + (NULL,GENERIC_PTR,NULL_PTR): Delete. + * tree.h: Likewise. + +Mon Apr 15 08:49:20 1996 Tom May (ftom@netcom.com) + + * cse.c (invalidate_skipped_set): Ignore CLOBBER after calling + note_mem_written, not before. + +Mon Apr 15 08:22:03 1996 Philippe De Muyter <phdm@info.ucl.ac.be> + + * m68k.md (tstdi): Optimized for "d" case. + (movqi): Allow moving "i" into "a". + (zero_extendsidi2): Alternatives merged. + (extendplussidi): Fixed when operands 0 and 1 share a register. + (adddi_sexthishl32): Constraints reordered for better reload. + (adddi3,subdi_sexthishl32,subdi3,negdi2): Likewise. + (ashldi_sexthi): Accept "m" as operand 0. + (ashldi_const32): Alternatives merged. + (ashift patterns): Output "lsl" instead of "asl". + (beq0_di): If condition codes already set, output only branch insn. + (bne0_di,bge0_di,blt0_di): Likewise. + * m68k.c (notice_update_cc, case ASHIFT{,RT}, LSHIFTRT, ROTATE{,RT}): + Don't set CC_NO_OVERFLOW. + * m68k.h (TARGET_SWITCHES): Fix typo in "c68000" entry. + +Mon Apr 15 08:06:17 1996 Stephen L Moshier (moshier@world.std.com) + + * real.c (eadd1): Check for overflow on X plus X. + +Mon Apr 15 08:02:24 1996 J.T. Conklin <jtc@cygnus.com> + + * i386/netbsd.h (HAVE_SYSV_PRAGMA): Removed definition. + * config/netbsd.h (HAVE_SYSV_PRAGMA): Define. + (SET_ASM_OP): Define. + +Mon Apr 15 07:28:54 1996 Fila Kolodny <fila@ibi.com> + + * configure: Add definition for host= into Makefile. + * build-make (CC): Pass -b $(host), not target. + +Mon Apr 15 05:12:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (bc_expand_increment): Change declaration to return void. + + * toplev.c (max_label_num_after_reload): New variable. + (rest_of_compilation): Set it. + * reorg.c (find_dead_or_set_registers): Only kill spill regs after + label made before jump2. + + * combine.c (expand_field_assignment): Take SUBREG_WORD into + account when have STRICT_LOW_PART. + (make_extraction): Make a STRICT_LOW_PART at any low-order word. + +Mon Apr 15 03:43:11 1996 Jeffrey A. Law <law@cygnus.com> + + * flags.h (flag_function_sections): Declare. + * toplev.c (flag_function_sections): Define. + (compile_file): Add warnings when -ffunction-sections is + used with -g, or profiling. Disable -ffunction-sections + when profiling is used. Add warning when -ffunction-sections + is used on a target that doesn't support it. + * varasm.c (named_section): Make a copy of the section name + in case the original is in temporary storage. + (function_section): Set DECL_SECTION_NAME for each function + if flag_function_sections is on and the target supports it. + * dbxout.c (dbxout_function_end): New function. + (dbxout_function): Call dbxout_function_end if using extensions + and flag_function_sections is on. + * sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Prefix a function + section's name with ".text%" when -ffunction-sections. + +Sun Apr 14 19:37:43 1996 Doug Evans <dje@cygnus.com> + + * toplev.c (main): Delete redundant test for -p used with -fbytecode. + +Sun Apr 14 19:01:59 1996 John F. Carr <jfc@mit.edu> + + * c-decl.c (finish_enum): Don't crash if no type can represent all + enumeration values. + +Sun Apr 14 18:56:40 1996 J.T. Conklin <jtc@rtl.cygnus.com> + + * m68k.md (ftruncdf2): Enable for m68060 systems. + +Sun Apr 14 18:49:30 1996 David L. Reese (david.reese@east.sun.com) + + * fold-const.c (range_test): Don't convert hi_cst or lo_cst + to unsigned when folding signed range tests. + +Sun Apr 14 08:56:27 1996 Stephen L Moshier <moshier@world.std.com> + + * real.h (ereal_from_{int,uint}): Add new arg, MODE. + (REAL_VALUE_FROM{,_UNSIGNED}_INT): New arg, MODE. + * real.c (ereal_from_{int,uint}): New arg, MODE. + * cse.c (simplify_unary_operation): Add new arg to REAL_VALUE_FROM_INT. + * fold-const.c (fold_convert): Likewise. + * tree.c (real_value_from_int_cst): New arg, TYPE. + Pass mode to REAL_VALUE_FROM_INT. + (build_real_from_int_cst): Properly deal with truncation. + +Sun Apr 14 08:21:29 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (try_combine): When substituting in output of I2, + ensure dest isn't clobbered in I2. + + * combine.c (combine_instructions): In initial scan of insns, + handle a REG_INC note's affect on sign bit copies and nonzero bits. + (set_nonzero_bits_and_sign_copies): Treat a zero SET arg as a CLOBBER. + +Sun Apr 14 07:52:28 1996 Manor Askenazi <manor@santafe.edu> + + * objc/encoding.c (objc_skip_typespec): Don't abort for _C_UNDEF. + +Sat Apr 13 20:35:36 1996 Richard Henderson (richard@atheist.tamu.edu) + + * configure (m68k-apple-aux*): Rework to take advantange + of list of tm.h files and support all four gas/gld options. + * m68k/auxas.h, m68k/auxgas.h, m68k/auxgld.h, m68k/auxld.h: New files. + * m68k/auxstd.h, m68k/auxgnu.h: Deleted. + +Sat Apr 13 20:18:11 1996 Stephen L Moshier <moshier@world.std.com> + + * alpha.c (check_float_value): New function. + * alpha.h (CHECK_FLOAT_VALUE): Define. + (ASM_OUTPUT_FLOAT): Print the value in hex. + +Sat Apr 13 15:08:45 1996 Doug Evans <dje@canuck.cygnus.com> + + * configure: New target arm{,el}-*-coff*. + (cpu_default): Sort alphabetically. + * arm/coff.h: New file. + * arm/t-bare: New file. + * arm/arm.c (use_return_insn): Don't use return for naked functions. + (arm_valid_machine_decl_attribute): New function. + (arm_naked_function_p): New function. + (output_func_prologue): Naked functions don't have prologues. + (arm_expand_prologue): Likewise. + (output_func_epilogue): Likewise with epilogues. + +Sat Apr 13 11:31:32 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (adds_subs_operand): Fix thinko in last change. + + * h8300.md (subhi3): Turn into a define_expand. + (subhi3 using adds_subs): New pattern. + (H8300 subhi): Derived from old subhi pattern. Simplified. + (H8300H subhi): Likewise. + (subsi using adds_subs): New pattern. Only used on H8300H. + (subsi_h8300): Allow "a" registers as destination. + (subsi_h8300h): Allow "a" registers as destination. Simplify. + + * h8300.md (bcs_qiqi, bcs_hihi, bs_hiqi): Fix thinkos + in last change. + +Sat Apr 13 08:59:48 1996 Fila Kolodny <fila@ibi.com> + + * i370/mvs.h (ASM_DECLARE_FUNCTION_NAME): Don't write anything to + asm file, because everything is handled in FUNCTION_PROLOGUE. + +Sat Apr 13 07:55:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (alpha_emit_set_const_1): Renamed from + alpha_emit_set_const and static. + Remove change of Nov 26; again use normal mechanism for SImode. + (alpha_emit_set_const): New function. + +Fri Apr 12 18:19:39 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (adds_subs_operand, output_adds_subs): New functions. + * h8300.md (addhi3): Turn into a define_expand. + (addhi3 using adds_subs): New pattern. + (H8300 addhi): Derived from old addhi pattern. Simplified. + (H8300H addhi): Likewise. + (addsi using adds_subs): New pattern. Only used on H8300H. + (addsi_h8300): Allow "a" registers as destination. + (addsi_h8300h): Simplify. Allow "a" registers as destination. + + * h8300.md (bcs): New attribute type. + (default_length): Compute correct length for bcs insns. + (bcs_qiqi, bcs_hihi, bs_hiqi): Use new type and update + to account for correct length computation. + + * h8300.md (movhi_internal): Demand at least one operand to be reg. + (movsi_h8300{{,h}): Optimize loading certain constants. + + * h8300.h (NO_FUNCTION_CSE): Comment out. + (FUNCTION_ARG_REGNO_P): Properly define for TARGET_QUICKCALL. + (RETURN_IN_MEMORY): Don't return small structs in regs. + + * h8300.c (const_costs): -4 and 4 are cheap on the h8300h. + (notice_update_cc): Remove references to "value2" field. + + * h8300.c (dosize): Remove unused "fped" argument. All callers + changed. Handle add/sub of 5-8 bytes efficiently on the h8300h. + + * h8300.c (print_operand): Handle new 'R' case for accessing + the 8-bit area. Make code for 'Y' fall into code for 'R' when + operand is not a register. Update some comments. + (h8300_tiny_data_p): New function. + (h8300_valid_machine_decl_attribute): Handle "tiny_data" attribute. + * h8300.h (OK_FOR_U): Handle memory references into 8-bit area. + (ENCODE_SECTION_INFO): Mark SYMBOL_REFs which refer to 8-bit area. + * h8300.md (many patterns): Use 'R' rather than 'X' for + operands that may be memory accesses into the 8-bit area. + (btst pattern): New pattern to set the cc0 (zbit) based on + data in the 8-bit area. + + * h8300.md (one_cmplsi2): Fix length computation for h8300h. + +Fri Apr 12 14:34:39 1996 Doug Evans <dje@cygnus.com> + + * arm.md (*ldmsi,*stmsi): Use (mem (match_operand ...)) + to avoid using indirect_operand (reload problems). + * arm/semi.h (CPP_PREDEFINES): Define __semi__ instead of semi. + * arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX. + (ASM_OUTPUT_ADDR_{VEC,DIFF_ELT}): Likewise. + +Fri Apr 12 09:43:30 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dbxout.c (dbxout_typedefs): Don't emit incomplete types yet. + (dbxout_symbol): Use DECL_ARTIFICIAL to recognize C++ implicit + typedefs. + +Thu Apr 11 21:56:26 1996 Doug Evans <dje@cygnus.com> + + * i386/t-winnt (winnt.o): Rewrite based on .c.o rule. + (oldnames.o,spawnv.o): Add rules for. + +Thu Apr 11 07:25:06 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * calls.c (expand_call): In inlining case, if BEFORE_CALLS is + zero, start looking at first insn. + + * expr.c (preexpand_calls, case CALL_EXPR): Rework to properly + avoid expanding functions returning variable size objects. + + * integrate.c (expand_inline_function): When comparing types + of formal and actual, use TYPE_MAIN_VARIANT. + +Thu Apr 11 00:48:29 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300/lib1funcs.asm (modnorm): New function(s). Like divnorm, + but gets the sign bit right for modulo operations. + (__modhi3, modsi3): Use modnorm. + + * h8300.c (dosize): On h8300h, do 4 byte adjusts using adds and subs. + * h8300.h (LONG_LONG_TYPE_SIZE): Always make this 32bits. + Reverses change from Apr 2, 1996. + +Wed Apr 10 18:39:52 1996 Doug Evans <dje@canuck.cygnus.com> + + * sparc.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete. + (FUNCTION_PROFILER): Use ASM_GENERATE_INTERNAL_LABEL instead. + + * sparc.c (sparc_override_options): 90c701 renamed to tsc701. + (eligible_for_epilogue_delay_slot): Don't allow anything if + -mbroken-saverestore. + (output_function_prologue): Only use trivial save's if + -mbroken-saverestore. + * sparc.h (CPP_SPEC): Handle -mcpu={sparclet,tsc701}. + (ASM_SPEC): Likewise. + ({MASK,TARGET}_BROKEN_SAVERESTORE): Define. + (enum processor_type): 90C701 renamed to TSC701. + * sparc.md (attr cpu): 90c701 renamed to tsc701. + * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -mbroken-saverestore. + +Wed Apr 10 17:56:02 1996 Stan Cox <coxs@dg-rtp.dg.com> + + * m88k/dgux.h (EXTRA_SPECS): Define. + (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS. + * m88k/dguxbcs.h (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS. + * m88k/m88k.c (output_ascii) Output literal HT. + +Wed Apr 10 17:28:37 1996 James Carlson (carlson@xylogics.com) + + * configure: Work around AIX bug when defining SUBDIRS. + +Wed Apr 10 17:22:42 1996 Paul Eggert <eggert@twinsun.com> + + * cexp.y (parse_number): Don't reject long long constants unless + pedantic. + +Wed Apr 10 17:19:56 1996 Stephen L. Moshier (moshier@world.std.com) + + * real.c (e64toe): Properly distinguish between NaN and infinity + bit patterns for real-words-big-endian targets. + +Wed Apr 10 17:17:26 1996 Richard Earnshaw (rearnsha@armltd.co.uk) + + * real.c (endian): Add two explicit casts. + (e64toe): Support ARM extended precision fp format. + Check negative infinities properly for NaNs. + (toe64): Support ARM extended precision fp format. + +Tue Apr 9 12:53:31 1996 Doug Evans <dje@canuck.cygnus.com> + + * i386/gas.h (ASM_OUTPUT_ALIGN): Define and use .balign. + +Tue Apr 9 12:48:45 1996 Stephen L Moshier (moshier@world.std.com) + + * sparc.c (fp_zero_operand): Exclude -0.0. + +Tue Apr 9 07:11:24 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c: Fix typo in last change. + + * tree.c (substitute_in_expr): Don't return new expression if + nothing changed. + (substitute_in_type): Deleted, not used. + * tree.h (substitute_in_type): Delete declaration. + +Mon Apr 8 16:30:18 1996 Jeffrey A. Law <law@cygnus.com> + + * flow.c (find_auto_inc): Also make sure there aren't + any sets of the incremented register between the memory + reference and increment insn. + +Mon Apr 8 15:41:14 1996 John Polstra (jdp@polstra.com) + + * configure (i[3456]86-*-freebsdelf*): New target. + * i386/freebsd-elf.h: New file. + * i386/x-freebsd (USER_H): New define; to null. + +Mon Apr 8 14:44:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-decl.c (finish_function): Always warn if main doesn't return int. + +Mon Apr 8 13:01:37 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * rs6000.c (got_operand): New function, returns true if the + operand can go in V.4's GOT. + (rs6000_pic_register): New variable. + (output_epilog): Reset rs6000_pic_register. + + * rs6000.h (rs6000_pic_register, got_operand, flag_pic): Add decls. + (PREDICATE_CODES): Add got_operand. + + * rs6000.md (movsi): Add support for V.4's -fpic and -FPIC. + (init_v4_pic): Initialize the V4 pic register if needed. + (call patterns): If -fpic/-fPIC, call function with @plt suffix. + + * t-eabigas (MULTILIB_DIRNAMES): Remove errant pic directory. + + * rs6000.c (output_prolog): Correctly store & restore the + arguments to main in their correct save location, when calling the + start function. + +Mon Apr 8 13:01:37 1996 David Reese <Dave.Reese@East.Sun.COM> + + * rs6000.c (print_operand): Use reg_names to print registers. + +Fri Apr 5 00:40:19 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (h8300_valid_machine_decl_attribute): Use underscores, + not dashes in attributes. + (h8300_funcvec_function_p): Corresponding changes. + (h8300_interrupt_function_p): Likewise. + + * pa.h (INIT_CUMULATIVE_INCOMING_ARGS): Initialize "indirect" + field to zero. + +Thu Apr 4 12:52:11 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * loop.c (combine_givs): Use new macro GIV_SORT_CRITERION. + New variable giv_array. Loop over giv_array instead of following + next_iv links. + (giv_sort): New function. + * sh.h (GIV_SORT_CRITERION): Define. + + * c-typeck.c (push_init_level): When output alignment for structure + field, add check to verify it is the next field to be output. + +Thu Apr 4 12:19:26 1996 David Mosberger-Tang <davidm@AZStarNet.com> + + * alpha.c: Don't include stamp.h for Linux-based GNU systems. + +Thu Apr 4 12:17:08 1996 Richardg Kenner (kenner@vlsi1.ultra.nyu.edu) + + * objc/Makefile: Rename thread* to thr*. + * objc/thread.c: Rename thread-* to thr-*. + * objc/thr-decosf1.c: Renamed from thread-decosf1.c + * objc/thr-irix.c: Renamed from thread-irix.c. + * objc/thr-single.c: Renamed from thread-single.c. + * objc/thr-solarius.c: Renamed from thread-solaris.c. + * objc/thr-win32.c: Renamed from thread-win32.c. + * objc/objc-api.h: Include thr.h, not thread.h. + * objc/runtime.h, objc/sarray.h: Likewise. + + * i386.md (ashldi3_const_int): Don't recognize if won't match + constraint of operand 2. + +Thu Apr 4 11:40:55 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * config/fp-bit.c (EXTENDED_FLOAT_STUBS): If EXTENDED_FLOAT_STUBS + is defined, define all of the XF/TF functions that might be + generated that we don't have code for yet. + + * i960/t-(vxworks960,960bare): (LIB2FUNCS_EXTRA): Make and + compile xp-bits.c that defines EXTENDED_FLOAT_STUBS. + + From: steve chamberlain <sac@slash.cygnus.com> + * i386/x-cygwin32 (LANGUAGES): Delete. + * i386/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe. + * rs6000/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe. + +Wed Apr 3 14:10:16 1996 Jim Wilson <wilson@chestnut.cygnus.com> + + * expr.c (emit_push_insn): Clobber register only if it is nonzero. + +Wed Apr 3 11:31:55 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.h (h8300_funcvec_function_p): Declaration moved here. + * h8300.c (h8300_funcvec_function_p): Declaration removed from here. + * h8300.md (tstqi): Tweak to work like other tstXX patterns. + (cmphi): Turn into a define_expand. Add two anonymous + matterns to match the output of the cmphi expander. + (cmpsi): Accept constants as the second input operand. + +Tue Apr 2 13:52:30 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.md (movqi_internal): Remove useless alternative(s). Fix + lengths and simplify by reordering remaining alternatives. + (movstrictqi, movhi_internal, movstricthi): Likewise. + (movsi_h8300h, movsf_h8300h): Likewise. + + * h8300/h8300.c (extra_pop): Remove unused variable. + (current_function_anonymous_args): Likewise. + (function_prologue): Remove incorrect varargs/stdarg + related code. + (function_epilogue): Likewise. + (function_arg): Never pass unnamed arguments in registers. + * h8300.h (LONG_LONG_TYPE_SIZE): Use 64bits when ints are 32bits. + (SETUP_INCOMING_VARARGS): Remove definition. + +Mon Apr 1 16:59:48 1996 Ian Lance Taylor <ian@cygnus.com> + + * fixincludes: Fix signal prototype on SunOS to avoid pedantic C++ + error. + +Mon Apr 1 16:16:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (get_inner_reference): When finding mode to access bitfield + that ends up properly aligned, use mode class of its type unless + type's mode was BLKmode. + +Mon Apr 1 13:45:30 1996 Jeffrey A. Law <law@cygnus.com> + + * h8300.c (interrupt_handler): Renamed from pragma_interrupt. + All references changed. + (function_prologue): Set interrupt_handler if the current + function has the "interrrupt-handler" attribute. + (small_call_insn_operand): New function. + (h8300_interrrupt_function_p): New function. + (h8300_funcvec_function_p): New function. + (h8300_valid_machine_decl_attribute): New function. + * h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Define. + * h8300.md (call insns): Handle calls through the + function vector. Indirect calls and calls through + the function vector have a length of two bytes. + +See ChangeLog.10 for earlier changes. + + +Copyright (C) 1996-1997 Free Software Foundation, Inc. + +Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved. |