Mercurial > hg > CbC > CbC_gcc
view gcc/config/mips/sde.h @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
line wrap: on
line source
/* Definitions of target machine for GNU compiler. MIPS SDE version. Copyright (C) 2003-2020 Free Software Foundation, 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 DRIVER_SELF_SPECS #define DRIVER_SELF_SPECS \ /* Set the ISA for the default multilib. */ \ MIPS_DEFAULT_ISA_LEVEL_SPEC, \ \ /* Make sure a -mips option is present. This helps us to pick \ the right multilib, and also makes the later specs easier \ to write. */ \ MIPS_ISA_LEVEL_SPEC, \ \ /* Infer the default float setting from -march. */ \ MIPS_ARCH_FLOAT_SPEC, \ \ /* If no ABI option is specified, infer one from the ISA level \ or -mgp setting. */ \ "%{!mabi=*: %{" MIPS_32BIT_OPTION_SPEC ": -mabi=32;: -mabi=n32}}", \ \ /* Remove a redundant -mfp64 for -mabi=n32; we want the !mfp64 \ multilibs. There's no need to check whether the architecture \ is 64-bit; cc1 will complain if it isn't. */ \ "%{mabi=n32: %<mfp64}", \ \ /* Make sure that an endian option is always present. This makes \ things like LINK_SPEC easier to write. */ \ "%{!EB:%{!EL:%(endian_spec)}}", \ \ /* Configuration-independent MIPS rules. */ \ BASE_DRIVER_SELF_SPECS /* Use trap rather than break for all but MIPS I ISA. Force -no-mips16, so that MIPS16 assembler code requires an explicit ".set mips16". Very little hand-written MIPS16 assembler exists, and some build systems expect code to be assembled as non-MIPS16 even if the prevailing compiler flags select -mips16. */ #undef SUBTARGET_ASM_SPEC #define SUBTARGET_ASM_SPEC "\ %{!mips1:--trap} \ %{mips16:-no-mips16}" #undef LINK_SPEC #define LINK_SPEC "\ %(endian_spec) \ %{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32*} %{mips64*} \ %{shared} \ %{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \ %{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \ %{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}" #undef DEFAULT_SIGNED_CHAR #define DEFAULT_SIGNED_CHAR 0 /* Describe how we implement __builtin_eh_return. */ /* At the moment, nothing appears to use more than 2 EH data registers. The chosen registers must not clash with the return register ($2), EH_RETURN_STACKADJ ($3), or MIPS_EPILOGUE_TEMP ($5), and they must be general MIPS16 registers. Pick $6 and $7. */ #undef EH_RETURN_DATA_REGNO #define EH_RETURN_DATA_REGNO(N) \ ((N) < 2 ? 7 - (N) : INVALID_REGNUM) /* Use $5 as a temporary for both MIPS16 and non-MIPS16. */ #undef MIPS_EPILOGUE_TEMP_REGNUM #define MIPS_EPILOGUE_TEMP_REGNUM \ (cfun->machine->interrupt_handler_p ? K0_REG_NUM : GP_REG_FIRST + 5) /* Using long will always be right for size_t and ptrdiff_t, since sizeof(long) must equal sizeof(void *), following from the setting of the -mlong64 option. */ #undef SIZE_TYPE #define SIZE_TYPE "long unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "long int" /* Force all .init and .fini entries to be 32-bit, not mips16, so that in a mixed environment they are all the same mode. The crti.asm and crtn.asm files will also be compiled as 32-bit due to the -no-mips16 flag in SUBTARGET_ASM_SPEC above. */ #undef CRT_CALL_STATIC_FUNCTION #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ asm (SECTION_OP "\n\ .set push\n\ .set nomips16\n\ jal " USER_LABEL_PREFIX #FUNC "\n\ .set pop\n\ " TEXT_SECTION_ASM_OP);