projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| d9dced13 RS |
1 | /* Definitions of target machine for GNU compiler. |
| 2 | MIPS SDE version, for use with the SDE C library rather than newlib. | |
| 3 | Copyright (C) 2007 | |
| 4 | Free Software Foundation, Inc. | |
| 5 | ||
| 6 | This file is part of GCC. | |
| 7 | ||
| 8 | GCC is free software; you can redistribute it and/or modify | |
| 9 | it under the terms of the GNU General Public License as published by | |
| 10 | the Free Software Foundation; either version 2, or (at your option) | |
| 11 | any later version. | |
| 12 | ||
| 13 | GCC is distributed in the hope that it will be useful, | |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | GNU General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU General Public License | |
| 19 | along with GCC; see the file COPYING. If not, write to | |
| 20 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
| 21 | Boston, MA 02111-1307, USA. */ | |
| 22 | ||
| 23 | #define TARGET_OS_CPP_BUILTINS() \ | |
| 24 | do \ | |
| 25 | { \ | |
| 26 | builtin_assert ("system=sde"); \ | |
| 27 | builtin_assert ("system=posix"); \ | |
| 28 | builtin_define ("__SDE_MIPS__"); \ | |
| 29 | \ | |
| 30 | /* Deprecated: use __mips_isa_rev >= 2. */ \ | |
| 31 | if (ISA_MIPS32R2) \ | |
| 32 | builtin_define ("__mipsr2"); \ | |
| 33 | \ | |
| 34 | /* Deprecated: use __mips_fpr == 64. */ \ | |
| 35 | if (TARGET_FLOAT64) \ | |
| 36 | builtin_define ("__mipsfp64"); \ | |
| 37 | \ | |
| 38 | if (TARGET_NO_FLOAT) \ | |
| 39 | { \ | |
| 40 | builtin_define ("__NO_FLOAT"); \ | |
| 41 | builtin_define ("__mips_no_float"); \ | |
| 42 | } \ | |
| 43 | else if (TARGET_SOFT_FLOAT_ABI) \ | |
| 44 | builtin_define ("__SOFT_FLOAT"); \ | |
| 45 | else if (TARGET_SINGLE_FLOAT) \ | |
| 46 | builtin_define ("__SINGLE_FLOAT"); \ | |
| 47 | \ | |
| 48 | if (TARGET_BIG_ENDIAN) \ | |
| 49 | { \ | |
| 50 | builtin_assert ("endian=big"); \ | |
| 51 | builtin_assert ("cpu=mipseb"); \ | |
| 52 | } \ | |
| 53 | else \ | |
| 54 | { \ | |
| 55 | builtin_assert ("endian=little"); \ | |
| 56 | builtin_assert ("cpu=mipsel"); \ | |
| 57 | } \ | |
| 58 | } \ | |
| 59 | while (0) | |
| 60 | ||
| 61 | #undef SUBTARGET_OVERRIDE_OPTIONS | |
| 62 | #define SUBTARGET_OVERRIDE_OPTIONS \ | |
| 63 | do \ | |
| 64 | { \ | |
| 65 | if (TARGET_NO_FLOAT) \ | |
| 66 | { \ | |
| 67 | target_flags |= MASK_SOFT_FLOAT_ABI; \ | |
| 68 | target_flags_explicit |= MASK_SOFT_FLOAT_ABI; \ | |
| 69 | } \ | |
| 70 | } \ | |
| 71 | while (0) | |
| 72 | ||
| 73 | /* For __clear_cache in libgcc2.c. */ | |
| 74 | #ifdef IN_LIBGCC2 | |
| 75 | extern void mips_sync_icache (void *beg, unsigned long len); | |
| 76 | #undef CLEAR_INSN_CACHE | |
| 77 | #define CLEAR_INSN_CACHE(beg, end) \ | |
| 78 | mips_sync_icache (beg, end - beg) | |
| 79 | #endif | |
| 80 | ||
| 81 | /* For mips_cache_flush_func in mips.opt. */ | |
| 82 | #undef CACHE_FLUSH_FUNC | |
| 83 | #define CACHE_FLUSH_FUNC "mips_sync_icache" | |
| 84 | ||
| 85 | /* For inline code which needs to sync the icache and dcache, | |
| 86 | noting that the SDE library takes arguments (address, size). */ | |
| 87 | #undef MIPS_ICACHE_SYNC | |
| 88 | #define MIPS_ICACHE_SYNC(ADDR, SIZE) \ | |
| 89 | emit_library_call (gen_rtx_SYMBOL_REF (Pmode, mips_cache_flush_func), \ | |
| 90 | 0, VOIDmode, 2, ADDR, Pmode, \ | |
| 91 | SIZE, TYPE_MODE (sizetype)) | |
| 92 | ||
| 93 | /* This version of _mcount does not pop 2 words from the stack. */ | |
| 94 | #undef FUNCTION_PROFILER | |
| 95 | #define FUNCTION_PROFILER(FILE, LABELNO) \ | |
| 96 | { \ | |
| 97 | fprintf (FILE, "\t.set\tnoat\n"); \ | |
| 98 | /* MIPS16 code passes saved $ra in $v1 instead of $at. */ \ | |
| 99 | fprintf (FILE, "\tmove\t%s,%s\n", \ | |
| 100 | reg_names[GP_REG_FIRST + (TARGET_MIPS16 ? 3 : 1)], \ | |
| 101 | reg_names[GP_REG_FIRST + 31]); \ | |
| 102 | fprintf (FILE, "\tjal\t_mcount\n"); \ | |
| 103 | fprintf (FILE, "\t.set\tat\n"); \ | |
| 104 | } | |
| 105 | ||
| 106 | /* ...nor does the call sequence preserve $31. */ | |
| 107 | #undef MIPS_SAVE_REG_FOR_PROFILING_P | |
| 108 | #define MIPS_SAVE_REG_FOR_PROFILING_P(REGNO) ((REGNO) == GP_REG_FIRST + 31) |