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Diffstat (limited to 'gcc-4.9/gcc/config/mep/mep.h')
| -rw-r--r-- | gcc-4.9/gcc/config/mep/mep.h | 793 |
1 files changed, 793 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/mep/mep.h b/gcc-4.9/gcc/config/mep/mep.h new file mode 100644 index 000000000..d1360b626 --- /dev/null +++ b/gcc-4.9/gcc/config/mep/mep.h @@ -0,0 +1,793 @@ +/* Definitions for Toshiba Media Processor + Copyright (C) 2001-2014 Free Software Foundation, Inc. + Contributed by Red Hat, Inc. + +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/>. */ + + +#undef CPP_SPEC +#define CPP_SPEC "\ +-D__MEP__ -D__MeP__ \ +-D__section(_x)=__attribute__((section(_x))) \ +-D__align(_x)=__attribute__((aligned(_x))) \ +-D__io(_x)=__attribute__((io(_x))) \ +-D__cb(_x)=__attribute__((cb(_x))) \ +-D__based=__attribute__((based)) \ +-D__tiny=__attribute__((tiny)) \ +-D__near=__attribute__((near)) \ +-D__far=__attribute__((far)) \ +-D__vliw=__attribute__((vliw)) \ +-D__interrupt=__attribute__((interrupt)) \ +-D__disinterrupt=__attribute__((disinterrupt)) \ +%{!meb:%{!mel:-D__BIG_ENDIAN__}} \ +%{meb:-U__LITTLE_ENDIAN__ -D__BIG_ENDIAN__} \ +%{mel:-U__BIG_ENDIAN__ -D__LITTLE_ENDIAN__} \ +%{mconfig=*:-D__MEP_CONFIG_%*} \ +%{mivc2:-D__MEP_CONFIG_CP_DATA_BUS_WIDTH=64} \ +" + +#undef CC1_SPEC +#define CC1_SPEC "%{!mlibrary:%(config_cc_spec)} \ +%{!.cc:%{O2:%{!funroll*:--param max-completely-peeled-insns=6 \ + --param max-unrolled-insns=6 -funroll-loops}}}" + +#undef CC1PLUS_SPEC +#define CC1PLUS_SPEC "%{!mlibrary:%(config_cc_spec)}" + +#undef ASM_SPEC +#define ASM_SPEC "%{mconfig=*} %{meb:-EB} %{mel:-EL} \ +%{mno-satur} %{msatur} %{mno-clip} %{mclip} %{mno-minmax} %{mminmax} \ +%{mno-absdiff} %{mabsdiff} %{mno-leadz} %{mleadz} %{mno-bitops} %{mbitops} \ +%{mno-div} %{mdiv} %{mno-mult} %{mmult} %{mno-average} %{maverage} \ +%{mcop32} %{mno-debug} %{mdebug} %{mlibrary}" + +/* The MeP config tool will edit this spec. */ +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{msdram:%{msim:simsdram-crt0.o%s}} \ +%{mno-sdram:%{msim:sim-crt0.o%s}} \ +%{msdram:%{!msim*:sdram-crt0.o%s}} \ +%{mno-sdram:%{!msim*:crt0.o%s}} \ +%(config_start_spec) \ +%{msimnovec:simnovec-crt0.o%s} \ +crtbegin.o%s" + +#undef LIB_SPEC +#define LIB_SPEC "-( -lc %{msim*:-lsim}%{!msim*:-lnosys} -) %(config_link_spec)" + +#undef LINK_SPEC +#define LINK_SPEC "%{meb:-EB} %{mel:-EL}" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "crtend.o%s %{msim*:sim-crtn.o%s}%{!msim*:crtn.o%s}" + +/* The MeP config tool will edit this spec. */ +#define CONFIG_CC_SPEC "\ +%{mconfig=default: -mbitops -mleadz -mabsdiff -maverage -mminmax -mclip -msatur -mvl64 -mvliw -mcop64 -D__MEP_CONFIG_CP_DATA_BUS_WIDTH=64 -mivc2}\ +" +/* end-config-cc-spec */ + +/* The MeP config tool will edit this spec. */ +#define CONFIG_LINK_SPEC "\ +%{mconfig=default: %{!T*:-Tdefault.ld}}\ +" +/* end-config-link-spec */ + +/* The MeP config tool will edit this spec. */ +#define CONFIG_START_SPEC "\ +%{!msdram:%{!mno-sdram:%{!msim*:crt0.o%s}}} \ +%{!msdram:%{!mno-sdram:%{msim:sim-crt0.o%s}}} \ +" +/* end-config-start-spec */ + +#define EXTRA_SPECS \ + { "config_cc_spec", CONFIG_CC_SPEC }, \ + { "config_link_spec", CONFIG_LINK_SPEC }, \ + { "config_start_spec", CONFIG_START_SPEC }, + + +#define TARGET_CPU_CPP_BUILTINS() \ + do \ + { \ + builtin_define_std ("mep"); \ + builtin_assert ("machine=mep"); \ + } \ + while (0) + +/* Controlled by MeP-Integrator. */ +#define TARGET_H1 0 + +#define MEP_ALL_OPTS (MASK_OPT_AVERAGE \ + | MASK_OPT_MULT \ + | MASK_OPT_DIV \ + | MASK_OPT_BITOPS \ + | MASK_OPT_LEADZ \ + | MASK_OPT_ABSDIFF \ + | MASK_OPT_MINMAX \ + | MASK_OPT_CLIP \ + | MASK_OPT_SATUR ) + +#define TARGET_DEFAULT (MASK_IO_VOLATILE | MASK_OPT_REPEAT | MEP_ALL_OPTS | MASK_LITTLE_ENDIAN) + +#define TARGET_IO_NO_VOLATILE (! (target_flags & MASK_IO_VOLATILE)) +#define TARGET_OPT_NOREPEAT (! (target_flags & MASK_OPT_REPEAT)) +#define TARGET_32BIT_CR_REGS (! (target_flags & MASK_64BIT_CR_REGS)) +#define TARGET_BIG_ENDIAN (! (target_flags & MASK_LITTLE_ENDIAN)) + +#define TARGET_COPRO_MULT 0 + +/* The MeP config tool will replace this as appropriate. */ +#define DEFAULT_ENDIAN_SPEC "%{!meb: -mel}" + +/* The MeP config tool will replace this with an -mconfig= switch. */ +#define LIBRARY_CONFIG_SPEC "-mconfig=default" + +/* Don't add an endian option when building the libraries. */ +#define DRIVER_SELF_SPECS \ + "%{!mlibrary:" DEFAULT_ENDIAN_SPEC "}", \ + "%{mlibrary: " LIBRARY_CONFIG_SPEC " %{!mel:-meb}}", \ + "%{mall-opts:-maverage -mmult -mdiv -mbitops -mleadz \ + -mabsdiff -mminmax -mclip -msatur -mdebug} %<mall-opts", \ + "%{mno-opts:-mno-average -mno-mult -mno-div -mno-bitops -mno-leadz \ + -mno-absdiff -mno-minmax -mno-clip -mno-satur -mno-debug} %<mno-opts", \ + "%{mfar:-ml -mtf -mc=far} %<mfar", \ + "%{mconfig=default:-mmult -mdiv -D__MEP_CONFIG_ISA=1}" + +/* The MeP config tool will add COPROC_SELECTION_TABLE here. */ +/* start-coproc-selection-table */ +#define COPROC_SELECTION_TABLE \ +{"default", ISA_EXT1} +/* end-coproc-selection-table */ + + +#define BITS_BIG_ENDIAN 0 +#define BYTES_BIG_ENDIAN (TARGET_LITTLE_ENDIAN ? 0 : 1) +#define WORDS_BIG_ENDIAN (TARGET_LITTLE_ENDIAN ? 0 : 1) + +#define UNITS_PER_WORD 4 + +#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \ + do \ + { \ + if (GET_MODE_CLASS (MODE) == MODE_INT \ + && GET_MODE_SIZE (MODE) < 4) \ + (MODE) = SImode; \ + } \ + while (0) + +#define PARM_BOUNDARY 32 +#define STACK_BOUNDARY 32 +#define PREFERRED_STACK_BOUNDARY 64 +#define FUNCTION_BOUNDARY 16 +#define BIGGEST_ALIGNMENT 64 + +#define DATA_ALIGNMENT(TYPE, ALIGN) \ + (TREE_CODE (TYPE) == ARRAY_TYPE \ + && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \ + && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) + +#define CONSTANT_ALIGNMENT(EXP, ALIGN) \ + (TREE_CODE (EXP) == STRING_CST \ + && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) + +#define STRICT_ALIGNMENT 1 + +#define PCC_BITFIELD_TYPE_MATTERS 1 + +#define DEFAULT_VTABLE_THUNKS 1 + + +#define INT_TYPE_SIZE 32 +#define SHORT_TYPE_SIZE 16 +#define LONG_TYPE_SIZE 32 +#define LONG_LONG_TYPE_SIZE 64 +#define CHAR_TYPE_SIZE 8 +#define FLOAT_TYPE_SIZE 32 +#define DOUBLE_TYPE_SIZE 64 +#define LONG_DOUBLE_TYPE_SIZE 64 +#define DEFAULT_SIGNED_CHAR 1 + +#undef SIZE_TYPE +#define SIZE_TYPE "unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "int" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "long int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE BITS_PER_WORD + +/* Register numbers: + 0..15 core registers + 16..47 control registers + 48..79 coprocessor registers + 80..111 coprocessor control registers + 112 virtual arg pointer register */ + +#define FIRST_PSEUDO_REGISTER (LAST_SHADOW_REGISTER + 1) + + /* R12 is optionally FP. R13 is TP, R14 is GP, R15 is SP. */ + /* hi and lo can be used as general registers. Others have + immutable bits. */ +/* A "1" here means the register is generally not available to gcc, + and is assumed to remain unchanged or unused throughout. */ +#define FIXED_REGISTERS { \ + /* core registers */ \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, \ + /* control registers */ \ + 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + /* coprocessor registers */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + /* coprocessor control registers */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + /* virtual arg pointer */ \ + 1, FIXED_SHADOW_REGISTERS \ + } + +/* This is a call-clobbered reg not used for args or return value, + that we use as a temp for saving control registers in the prolog + and restoring them in the epilog. */ +#define REGSAVE_CONTROL_TEMP 11 + +/* A "1" here means a register may be changed by a function without + needing to preserve its previous value. */ +#define CALL_USED_REGISTERS { \ + /* core registers */ \ + 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, \ + /* control registers */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + /* coprocessor registers */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + /* coprocessor control registers */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ + /* virtual arg pointer */ \ + 1, CALL_USED_SHADOW_REGISTERS \ + } + +#define REG_ALLOC_ORDER { \ + /* core registers */ \ + 3, 2, 1, 0, 9, 10, 11, 12, 4, 5, 6, 7, 8, 13, 14, 15, \ + /* control registers */ \ + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, \ + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, \ + /* coprocessor registers */ \ + /* Prefer to use the non-loadable registers when looking for a \ + member of CR_REGS (as opposed to LOADABLE_CR_REGS). */ \ + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 48, 49, 50, 51, 52, 58, \ + 59, 60, 61, 62, 63, 53, 54, 55, 56, 57, 74, 75, 76, 77, 78, 79, \ + /* coprocessor control registers */ \ + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, \ + 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, \ + /* virtual arg pointer */ \ + 112, SHADOW_REG_ALLOC_ORDER \ + } + +/* We must somehow disable register remapping for interrupt functions. */ +extern char mep_leaf_registers[]; +#define LEAF_REGISTERS mep_leaf_registers +#define LEAF_REG_REMAP(REG) (REG) + + +#define FIRST_GR_REGNO 0 +#define FIRST_CONTROL_REGNO (FIRST_GR_REGNO + 16) +#define FIRST_CR_REGNO (FIRST_CONTROL_REGNO + 32) +#define FIRST_CCR_REGNO (FIRST_CR_REGNO + 32) + +#define GR_REGNO_P(REGNO) \ + ((unsigned) ((REGNO) - FIRST_GR_REGNO) < 16) + +#define CONTROL_REGNO_P(REGNO) \ + ((unsigned) ((REGNO) - FIRST_CONTROL_REGNO) < 32) + +#define LOADABLE_CR_REGNO_P(REGNO) \ + ((unsigned) ((REGNO) - FIRST_CR_REGNO) < 16) + +#define CR_REGNO_P(REGNO) \ + ((unsigned) ((REGNO) - FIRST_CR_REGNO) < 32) + +#define CCR_REGNO_P(REGNO) \ + ((unsigned) ((REGNO) - FIRST_CCR_REGNO) < 32) + +#define ANY_CONTROL_REGNO_P(REGNO) \ + (CONTROL_REGNO_P (REGNO) || CCR_REGNO_P (REGNO)) + +#define HARD_REGNO_NREGS(REGNO, MODE) \ + ((CR_REGNO_P (REGNO) && TARGET_64BIT_CR_REGS) \ + ? (GET_MODE_SIZE (MODE) + 8 - 1) / 8 \ + : (GET_MODE_SIZE (MODE) + 4 - 1) / 4) + +#define HARD_REGNO_MODE_OK(REGNO, MODE) 1 + +#define MODES_TIEABLE_P(MODE1, MODE2) 1 + +#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \ + mep_cannot_change_mode_class (FROM, TO, CLASS) + +enum reg_class +{ + NO_REGS, + SP_REGS, + TP_REGS, + GP_REGS, + R0_REGS, + RPC_REGS, + HI_REGS, + LO_REGS, + HILO_REGS, + TPREL_REGS, + GENERAL_NOT_R0_REGS, + GENERAL_REGS, + CONTROL_REGS, + CONTROL_OR_GENERAL_REGS, + USER0_REGS, + USER1_REGS, + USER2_REGS, + USER3_REGS, + LOADABLE_CR_REGS, + CR_REGS, + CCR_REGS, + ALL_REGS, + LIM_REG_CLASSES +}; + +#define N_REG_CLASSES ((int) LIM_REG_CLASSES) + +#define REG_CLASS_NAMES { \ + "NO_REGS", \ + "SP_REGS", \ + "TP_REGS", \ + "GP_REGS", \ + "R0_REGS", \ + "RPC_REGS", \ + "HI_REGS", \ + "LO_REGS", \ + "HILO_REGS", \ + "TPREL_REGS", \ + "GENERAL_NOT_R0_REGS", \ + "GENERAL_REGS", \ + "CONTROL_REGS", \ + "CONTROL_OR_GENERAL_REGS", \ + "USER0_REGS", \ + "USER1_REGS", \ + "USER2_REGS", \ + "USER3_REGS", \ + "LOADABLE_CR_REGS", \ + "CR_REGS", \ + "CCR_REGS", \ + "ALL_REGS" } + +#define REG_CLASS_CONTENTS { \ + { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* NO_REGS */ \ + { 0x00008000, 0x00000000, 0x00000000, 0x00000000 }, /* SP_REGS */ \ + { 0x00002000, 0x00000000, 0x00000000, 0x00000000 }, /* TP_REGS */ \ + { 0x00004000, 0x00000000, 0x00000000, 0x00000000 }, /* GP_REGS */ \ + { 0x00000001, 0x00000000, 0x00000000, 0x00000000 }, /* R0_REGS */ \ + { 0x00400000, 0x00000000, 0x00000000, 0x00000000 }, /* RPC_REGS */ \ + { 0x00800000, 0x00000000, 0x00000000, 0x00000000 }, /* HI_REGS */ \ + { 0x01000000, 0x00000000, 0x00000000, 0x00000000 }, /* LO_REGS */ \ + { 0x01800000, 0x00000000, 0x00000000, 0x00000000 }, /* HILO_REGS */ \ + { 0x000000ff, 0x00000000, 0x00000000, 0x00000000 }, /* TPREL_REGS */ \ + { 0x0000fffe, 0x00000000, 0x00000000, 0x00000000 }, /* GENERAL_NOT_R0_REGS */ \ + { 0x0000ffff, 0x00000000, 0x00000000, 0x00010000 }, /* GENERAL_REGS */ \ + { 0xffff0000, 0x0000ffff, 0x00000000, 0x00000000 }, /* CONTROL_REGS */ \ + { 0xffffffff, 0x0000ffff, 0x00000000, 0x00000000 }, /* CONTROL_OR_GENERAL_REGS */ \ + { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER0_REGS */ \ + { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER1_REGS */ \ + { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER2_REGS */ \ + { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, /* USER3_REGS */ \ + { 0x00000000, 0xffff0000, 0x00000000, 0x00000000 }, /* LOADABLE_CR_REGS */ \ + { 0x00000000, 0xffff0000, 0x0000ffff, 0x00000000 }, /* CR_REGS */ \ + { 0x00000000, 0x00000000, 0xffff0000, 0x0000ffff }, /* CCR_REGS */ \ + { 0xffffffff, 0xffffffff, 0xffffffff, 0x0001ffff }, /* ALL_REGS */ \ + } + +#define REGNO_REG_CLASS(REGNO) (enum reg_class) mep_regno_reg_class (REGNO) + +#define BASE_REG_CLASS GENERAL_REGS +#define INDEX_REG_CLASS GENERAL_REGS + +#define REGNO_OK_FOR_BASE_P(NUM) (GR_REGNO_P (NUM) \ + || (NUM) == ARG_POINTER_REGNUM \ + || (NUM) >= FIRST_PSEUDO_REGISTER) + +#define REGNO_OK_FOR_INDEX_P(NUM) REGNO_OK_FOR_BASE_P (NUM) + +#define PREFERRED_RELOAD_CLASS(X, CLASS) mep_preferred_reload_class (X, CLASS) + +#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \ + mep_secondary_input_reload_class (CLASS, MODE, X) +#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \ + mep_secondary_output_reload_class (CLASS, MODE, X) +#define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) \ + mep_secondary_memory_needed (CLASS1, CLASS2, MODE) + +#define WANT_GCC_DECLARATIONS +#include "mep-intrin.h" +#undef WANT_GCC_DECLARATIONS + +extern int mep_intrinsic_insn[]; +extern unsigned int mep_selected_isa; + +/* True if intrinsic X is available. X is a mep_* value declared + in mep-intrin.h. */ +#define MEP_INTRINSIC_AVAILABLE_P(X) (mep_intrinsic_insn[X] >= 0) + +/* Used to define CGEN_ENABLE_INTRINSIC_P in mep-intrin.h. */ +#define CGEN_CURRENT_ISAS mep_selected_isa +#define CGEN_CURRENT_GROUP \ + (mep_vliw_function_p (cfun->decl) ? GROUP_VLIW : GROUP_NORMAL) + + + +#define STACK_GROWS_DOWNWARD 1 +#define FRAME_GROWS_DOWNWARD 1 +#define STARTING_FRAME_OFFSET 0 +#define FIRST_PARM_OFFSET(FUNDECL) 0 +#define INCOMING_FRAME_SP_OFFSET 0 + +#define RETURN_ADDR_RTX(COUNT, FRAMEADDR) mep_return_addr_rtx (COUNT) +#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (SImode, LP_REGNO) +#define DWARF_FRAME_RETURN_COLUMN LP_REGNO + +#define STACK_POINTER_REGNUM 15 +#define FRAME_POINTER_REGNUM 8 +#define ARG_POINTER_REGNUM 112 +#define RETURN_ADDRESS_POINTER_REGNUM 17 +#define STATIC_CHAIN_REGNUM 0 + + + +#define ELIMINABLE_REGS \ +{ \ + {ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ + {ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM}, \ + {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM} \ +} + +#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ + (OFFSET) = mep_elimination_offset (FROM, TO) + +#define ACCUMULATE_OUTGOING_ARGS 1 + + + +#define FUNCTION_ARG_CALLEE_COPIES(CUM, MODE, TYPE, NAMED) 1 + +typedef struct +{ + int nregs; + int vliw; +} CUMULATIVE_ARGS; + +#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \ + mep_init_cumulative_args (& (CUM), FNTYPE, LIBNAME, FNDECL) + +#define FUNCTION_ARG_REGNO_P(REGNO) \ + (((REGNO) >= 1 && (REGNO) <= 4) \ + || ((REGNO) >= FIRST_CR_REGNO + 1 \ + && (REGNO) <= FIRST_CR_REGNO + 4 \ + && TARGET_COP)) + +#define RETURN_VALUE_REGNUM 0 + +#define FUNCTION_VALUE(VALTYPE, FUNC) mep_function_value (VALTYPE, FUNC) +#define LIBCALL_VALUE(MODE) mep_libcall_value (MODE) + +#define FUNCTION_VALUE_REGNO_P(REGNO) \ + ((REGNO) == RETURN_VALUE_REGNUM) + +#define DEFAULT_PCC_STRUCT_RETURN 0 + +#define STRUCT_VALUE 0 + +#define FUNCTION_OK_FOR_SIBCALL(DECL) mep_function_ok_for_sibcall(DECL) + +/* Prologue and epilogues are all handled via RTL. */ + +#define EXIT_IGNORE_STACK 1 + +#define EPILOGUE_USES(REGNO) mep_epilogue_uses (REGNO) + +/* Profiling is supported. */ + +#define FUNCTION_PROFILER(FILE, LABELNO) mep_function_profiler (FILE); +#undef TARGET_HAS_F_SETLKW +#define NO_PROFILE_COUNTERS 1 + +/* Trampolines are built at run-time. The cache is invalidated at + run-time also. */ + +#define TRAMPOLINE_SIZE 20 + + +#define MAX_REGS_PER_ADDRESS 1 + +#ifdef REG_OK_STRICT +#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \ + if (mep_legitimate_address ((MODE), (X), 1)) goto LABEL +#else +#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \ + if (mep_legitimate_address ((MODE), (X), 0)) goto LABEL +#endif + +#ifdef REG_OK_STRICT +#define REG_OK_FOR_BASE_P(X) GR_REGNO_P (REGNO (X)) +#else +#define REG_OK_FOR_BASE_P(X) (GR_REGNO_P (REGNO (X)) \ + || REGNO (X) == ARG_POINTER_REGNUM \ + || REGNO (X) >= FIRST_PSEUDO_REGISTER) +#endif + +#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X) + +#define LEGITIMIZE_RELOAD_ADDRESS(X, MODE, OPNUM, TYPE, IND_LEVELS, WIN) \ + if (mep_legitimize_reload_address (&(X), (MODE), (OPNUM), (TYPE), (IND_LEVELS))) \ + goto WIN + +#define SELECT_CC_MODE(OP, X, Y) CCmode + + +/* Moves between control regs need a scratch. */ +#define REGISTER_MOVE_COST(MODE, FROM, TO) mep_register_move_cost (MODE, FROM, TO) + +#define SLOW_BYTE_ACCESS 1 + +/* Define this macro if it is as good or better to call a constant function + address than to call an address kept in a register. */ +#define NO_FUNCTION_CSE + + +#define TEXT_SECTION_ASM_OP "\t.text\n\t.core" +#define DATA_SECTION_ASM_OP "\t.data" +#define BSS_SECTION_ASM_OP ".bss" + +#define USE_SELECT_SECTION_FOR_FUNCTIONS 1 + +#define JUMP_TABLES_IN_TEXT_SECTION 1 + +#define TARGET_ASM_FILE_END mep_file_cleanups + +#define ASM_APP_ON "#APP\n" +#define ASM_APP_OFF "#NO_APP\n" + +#define ASM_OUTPUT_DOUBLE(FILE, VALUE) \ + do \ + { \ + long l[2]; \ + \ + REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \ + fprintf (FILE, "\t.long\t0x%lx,0x%lx\n", l[0], l[1]); \ + } \ + while (0) + +#define ASM_OUTPUT_FLOAT(FILE, VALUE) \ + do \ + { \ + long l; \ + \ + REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ + fprintf ((FILE), "\t.long\t0x%lx\n", l); \ + } \ + while (0) + +#define ASM_OUTPUT_CHAR(FILE, VALUE) \ + do \ + { \ + fprintf (FILE, "\t.byte\t"); \ + output_addr_const (FILE, (VALUE)); \ + fprintf (FILE, "\n"); \ + } \ + while (0) + +#define ASM_OUTPUT_SHORT(FILE, VALUE) \ + do \ + { \ + fprintf (FILE, "\t.hword\t"); \ + output_addr_const (FILE, (VALUE)); \ + fprintf (FILE, "\n"); \ + } \ + while (0) + +#define ASM_OUTPUT_INT(FILE, VALUE) \ + do \ + { \ + fprintf (FILE, "\t.word\t"); \ + output_addr_const (FILE, (VALUE)); \ + fprintf (FILE, "\n"); \ + } \ + while (0) + +/* Most of these are here to support based/tiny/far/io attributes. */ + +#define ASM_OUTPUT_ALIGNED_DECL_COMMON(STREAM, DECL, NAME, SIZE, ALIGNMENT) \ + mep_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 1) + +#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(STREAM, DECL, NAME, SIZE, ALIGNMENT) \ + mep_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 0) + +#define ASM_OUTPUT_LABEL(STREAM, NAME) \ + do \ + { \ + assemble_name (STREAM, NAME); \ + fputs (":\n", STREAM); \ + } \ + while (0) + +/* Globalizing directive for a label. */ +#define GLOBAL_ASM_OP "\t.globl " + +#define ASM_OUTPUT_LABELREF(STREAM, NAME) \ + asm_fprintf ((STREAM), "%U%s", mep_strip_name_encoding (NAME)) + +#define ASM_FORMAT_PRIVATE_NAME(OUTVAR, NAME, NUMBER) \ + do \ + { \ + (OUTVAR) = (char *) alloca (strlen ((NAME)) + 12); \ + sprintf ((OUTVAR), "%s.%ld", (NAME), (long)(NUMBER)); \ + } \ + while (0) + + +#define REGISTER_NAMES \ +{ \ + /* Core registers. */ \ + "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", \ + "$8", "$9", "$10", "$11", "$12", "$tp", "$gp", "$sp", \ + /* Control registers. */ \ + "$pc", "$lp", "$sar", "3", "$rpb", "$rpe", "$rpc", "$hi", \ + "$lo", "9", "10", "11", "$mb0", "$me0", "$mb1", "$me1", \ + "$psw", "$id", "$tmp", "$epc", "$exc", "$cfg", "22", "$npc", \ + "$dbg", "$depc", "$opt", "$rcfg", "$ccfg", "29", "30", "31", \ + /* Coprocessor registers. */ \ + "$c0", "$c1", "$c2", "$c3", "$c4", "$c5", "$c6", "$c7", \ + "$c8", "$c9", "$c10", "$c11", "$c12", "$c13", "$c14", "$c15", \ + "$c16", "$c17", "$c18", "$c19", "$c20", "$c21", "$c22", "$c23", \ + "$c24", "$c25", "$c26", "$c27", "$c28", "$c29", "$c30", "$c31", \ + /* Coprocessor control registers. */ \ + "$ccr0", "$ccr1", "$ccr2", "$ccr3", "$ccr4", "$ccr5", "$ccr6", \ + "$ccr7", "$ccr8", "$ccr9", "$ccr10", "$ccr11", "$ccr12", "$ccr13", \ + "$ccr14", "$ccr15", "$ccr16", "$ccr17", "$ccr18", "$ccr19", "$ccr20", \ + "$ccr21", "$ccr22", "$ccr23", "$ccr24", "$ccr25", "$ccr26", "$ccr27", \ + "$ccr28", "$ccr29", "$ccr30", "$ccr31", \ + /* Virtual arg pointer. */ \ + "$argp", SHADOW_REGISTER_NAMES \ +} + +/* We duplicate some of the above because we twiddle the above + according to *how* the registers are used. Likewise, we include + the standard names for coprocessor control registers so that + coprocessor options can rename them in the default table. Note + that these are compared to stripped names (see REGISTER_PREFIX + below). */ +#define ADDITIONAL_REGISTER_NAMES \ +{ \ + { "8", 8 }, { "fp", 8 }, \ + { "13", 13 }, { "tp", 13 }, \ + { "14", 14 }, { "gp", 14 }, \ + { "15", 15 }, { "sp", 15 }, \ + { "ccr0", FIRST_CCR_REGNO + 0 }, \ + { "ccr1", FIRST_CCR_REGNO + 1 }, \ + { "ccr2", FIRST_CCR_REGNO + 2 }, \ + { "ccr3", FIRST_CCR_REGNO + 3 }, \ + { "ccr4", FIRST_CCR_REGNO + 4 }, \ + { "ccr5", FIRST_CCR_REGNO + 5 }, \ + { "ccr6", FIRST_CCR_REGNO + 6 }, \ + { "ccr7", FIRST_CCR_REGNO + 7 }, \ + { "ccr8", FIRST_CCR_REGNO + 8 }, \ + { "ccr9", FIRST_CCR_REGNO + 9 }, \ + { "ccr10", FIRST_CCR_REGNO + 10 }, \ + { "ccr11", FIRST_CCR_REGNO + 11 }, \ + { "ccr12", FIRST_CCR_REGNO + 12 }, \ + { "ccr13", FIRST_CCR_REGNO + 13 }, \ + { "ccr14", FIRST_CCR_REGNO + 14 }, \ + { "ccr15", FIRST_CCR_REGNO + 15 }, \ + { "ccr16", FIRST_CCR_REGNO + 16 }, \ + { "ccr17", FIRST_CCR_REGNO + 17 }, \ + { "ccr18", FIRST_CCR_REGNO + 18 }, \ + { "ccr19", FIRST_CCR_REGNO + 19 }, \ + { "ccr20", FIRST_CCR_REGNO + 20 }, \ + { "ccr21", FIRST_CCR_REGNO + 21 }, \ + { "ccr22", FIRST_CCR_REGNO + 22 }, \ + { "ccr23", FIRST_CCR_REGNO + 23 }, \ + { "ccr24", FIRST_CCR_REGNO + 24 }, \ + { "ccr25", FIRST_CCR_REGNO + 25 }, \ + { "ccr26", FIRST_CCR_REGNO + 26 }, \ + { "ccr27", FIRST_CCR_REGNO + 27 }, \ + { "ccr28", FIRST_CCR_REGNO + 28 }, \ + { "ccr29", FIRST_CCR_REGNO + 29 }, \ + { "ccr30", FIRST_CCR_REGNO + 30 }, \ + { "ccr31", FIRST_CCR_REGNO + 31 } \ +} + +/* We watch for pipeline hazards with these */ +#define ASM_OUTPUT_OPCODE(STREAM, PTR) mep_asm_output_opcode (STREAM, PTR) +#define FINAL_PRESCAN_INSN(INSN, OPVEC, NOPERANDS) mep_final_prescan_insn (INSN, OPVEC, NOPERANDS) + +#define PRINT_OPERAND(STREAM, X, CODE) mep_print_operand (STREAM, X, CODE) + +#define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '!' || (CODE) == '<') + +#define PRINT_OPERAND_ADDRESS(STREAM, X) mep_print_operand_address (STREAM, X) + +#define REGISTER_PREFIX "$" +#define LOCAL_LABEL_PREFIX "." +#define USER_LABEL_PREFIX "" +#define IMMEDIATE_PREFIX "" + + + +#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \ + fprintf (STREAM, "\t.word .L%d\n", VALUE) + + + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG +#define DWARF2_DEBUGGING_INFO 1 +#define DWARF2_UNWIND_INFO 1 + +#define EH_RETURN_DATA_REGNO(N) ((N) < 2 ? (N) + 10 : INVALID_REGNUM) + +#define EH_RETURN_STACKADJ_RTX mep_return_stackadj_rtx () +#define EH_RETURN_HANDLER_RTX mep_return_handler_rtx () + +#define DBX_REGISTER_NUMBER(REGNO) (REGNO) + + + +#define ASM_OUTPUT_ALIGN(STREAM, POWER) \ + fprintf ((STREAM), "\t.p2align %d\n", (POWER)) + + + +#define CASE_VECTOR_MODE SImode + +#define WORD_REGISTER_OPERATIONS +#define LOAD_EXTEND_OP(MODE) SIGN_EXTEND + +#define SHORT_IMMEDIATES_SIGN_EXTEND + +#define MOVE_MAX 4 + +#define SHIFT_COUNT_TRUNCATED 1 + +#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 + +#define STORE_FLAG_VALUE 1 + +#define Pmode SImode + +#define FUNCTION_MODE SImode + +#define REGISTER_TARGET_PRAGMAS() mep_register_pragmas () + +/* If defined, a C expression to determine the base term of address X. + This macro is used in only one place: `find_base_term' in alias.c. + + It is always safe for this macro to not be defined. It exists so + that alias analysis can understand machine-dependent addresses. + + The typical use of this macro is to handle addresses containing + a label_ref or symbol_ref within an UNSPEC. */ +#define FIND_BASE_TERM(X) mep_find_base_term (X) |