Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 156 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/config/ia64/vms.h b/gcc-4.9/gcc/config/ia64/vms.h
new file mode 100644
index 000000000..4e38e80f9
--- /dev/null
+++ b/gcc-4.9/gcc/config/ia64/vms.h
@@ -0,0 +1,156 @@
+/* Definitions of target machine GNU compiler. IA64-VMS version.
+   Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   Contributed by Douglas B Rupp (rupp@gnat.com).
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#define OBJECT_FORMAT_ELF
+
+#define SUBTARGET_OS_CPP_BUILTINS()		\
+    do {					\
+	builtin_define ("__IA64");		\
+	builtin_define ("__IEEE_FLOAT");	\
+    } while (0)
+
+/* Need .debug_line info generated from gcc and gas.  */
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_DWARF2_ASM | MASK_GNU_AS)
+
+#undef MAX_OFILE_ALIGNMENT
+#define MAX_OFILE_ALIGNMENT 524288  /* 8 x 2^16 by DEC Ada Test CD40VRA */
+
+/* Widest floating-point type efficiently supported by hardware and OS.  */
+#undef WIDEST_HARDWARE_FP_SIZE
+#define WIDEST_HARDWARE_FP_SIZE 64
+
+/* The structure return address arrives as an "argument" on VMS.  */
+#undef PCC_STATIC_STRUCT_RETURN
+
+/* Turn on VMS specific Dwarf2 features.  */
+#define VMS_DEBUGGING_INFO 1
+
+#define ASM_OUTPUT_DWARF_VMS_DELTA(FILE,SIZE,LABEL1,LABEL2) \
+do {                                          \
+  fprintf (FILE, "\tdata4.ua\t@slotcount(");  \
+  assemble_name (FILE, LABEL1);               \
+  fprintf (FILE, "-");                        \
+  assemble_name (FILE, LABEL2);               \
+  fprintf (FILE, ")");                        \
+} while (0)
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared:crt0.o%s crtbegin.o%s} \
+ %{!static:%{shared:crtinitS.o%s crtbeginS.o%s}}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend.o%s} %{!static:%{shared:crtendS.o%s}}"
+
+#define LINK_GCC_C_SEQUENCE_SPEC "%G"
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{g0} %{g*:-g} %{map} %{save-temps} %{shared} %{v}"
+
+#undef LIB_SPEC
+#define LIB_SPEC ""
+
+#undef ASM_SPEC
+#define ASM_SPEC \
+"%{mno-gnu-as:-N so -N vms_upcase -W DVLoc_off} %{mconstant-gp:-M const_gp} \
+ %{mauto-pic:-M no_plabel} %{source-listing:-ahdl=%b.lis}"
+
+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
+#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)			\
+do {								\
+  (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0));	\
+  ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function");	\
+} while (0)
+
+/* Set the function to change the names of the division and modulus
+   functions.   */
+#undef TARGET_INIT_LIBFUNCS
+#define TARGET_INIT_LIBFUNCS ia64_vms_init_libfuncs
+
+#define CTOR_LIST_BEGIN asm (".global\tLIB$INITIALIZE#\n");                  \
+STATIC func_ptr __CTOR_LIST__[1]                                             \
+  __attribute__ ((__unused__, section(".ctors"), aligned(sizeof(func_ptr)))) \
+  = { (func_ptr) (-1) };
+
+#undef INIT_SECTION_ASM_OP
+#define INIT_SECTION_ASM_OP ".section\tLIB$INITIALIZE#,\"a\",@progbits"
+
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)      \
+  asm (SECTION_OP "\n\tdata4 @fptr(" #FUNC"#)\n");      \
+  FORCE_CODE_SECTION_ALIGN                            \
+  asm (TEXT_SECTION_ASM_OP);
+
+#undef FINI_SECTION_ASM_OP
+
+/* Maybe same as HPUX?  Needs to be checked.  */
+#define JMP_BUF_SIZE  (8 * 76)
+
+#undef SUBTARGET_OPTIMIZATION_OPTIONS
+#define SUBTARGET_OPTIMIZATION_OPTIONS			\
+  { OPT_LEVELS_ALL, OPT_fmerge_constants, NULL, 0 }
+
+/* Define this to be nonzero if static stack checking is supported.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
+/* Minimum amount of stack required to recover from an anticipated stack
+   overflow detection.  The default value conveys an estimate of the amount
+   of stack required to propagate an exception.  */
+#define STACK_CHECK_PROTECT (24 * 1024)
+
+#undef ASM_OUTPUT_ALIGNED_DECL_COMMON
+#define ASM_OUTPUT_ALIGNED_DECL_COMMON(FILE, DECL, NAME, SIZE, ALIGN) \
+  ia64_vms_output_aligned_decl_common (FILE, DECL, NAME, SIZE, ALIGN)
+
+#undef TARGET_VALID_POINTER_MODE
+#define TARGET_VALID_POINTER_MODE ia64_vms_valid_pointer_mode
+
+/* Define this macro if it is advisable to hold scalars in registers
+   in a wider mode than that declared by the program.  In such cases,
+   the value is constrained to be within the bounds of the declared
+   type, but kept valid in the wider mode.  The signedness of the
+   extension may differ from that of the type.
+
+   For ia64, we always store objects in a full register.  32-bit integers
+   are always sign-extended, but smaller objects retain their signedness.  */
+
+#undef PROMOTE_MODE
+#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE)			\
+  if (GET_MODE_CLASS (MODE) == MODE_INT				\
+      && GET_MODE_SIZE (MODE) < UNITS_PER_WORD)			\
+    {								\
+      if ((MODE) == SImode)					\
+	(UNSIGNEDP) = 0;					\
+      (MODE) = DImode;						\
+    }
+
+#undef TARGET_PROMOTE_FUNCTION_MODE
+#define TARGET_PROMOTE_FUNCTION_MODE default_promote_function_mode_always_promote
+
+/* Code is always in P0/P1 (lower 32 bit addresses) on VMS.  */
+#undef CASE_VECTOR_MODE
+#define CASE_VECTOR_MODE SImode
+
+/* IA64 VMS doesn't fully support COMDAT sections.  */
+
+#define SUPPORTS_ONE_ONLY 0
+
+/* Default values for _CRTL_VER and _VMS_VER.  */
+#define VMS_DEFAULT_CRTL_VER 80300000
+#define VMS_DEFAULT_VMS_VER 80300000