| ; Options for the MIPS port of the compiler |
| ; |
| ; Copyright (C) 2005 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 2, 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 COPYING. If not, write to the Free |
| ; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
| ; 02110-1301, USA. |
| |
| mabi= |
| Target RejectNegative Joined |
| -mabi=ABI Generate code that conforms to the given ABI |
| |
| mabicalls |
| Target Report Mask(ABICALLS) |
| Generate code that can be used in SVR4-style dynamic objects |
| |
| mad |
| Target Report Var(TARGET_MAD) |
| Use PMC-style 'mad' instructions |
| |
| march= |
| Target RejectNegative Joined Var(mips_arch_string) |
| -march=ISA Generate code for the given ISA |
| |
| mbranch-likely |
| Target Report Mask(BRANCHLIKELY) |
| Use Branch Likely instructions, overriding the architecture default |
| |
| mcheck-zero-division |
| Target Report Mask(CHECK_ZERO_DIV) |
| Trap on integer divide by zero |
| |
| mdivide-breaks |
| Target Report RejectNegative Mask(DIVIDE_BREAKS) |
| Use branch-and-break sequences to check for integer divide by zero |
| |
| mdivide-traps |
| Target Report RejectNegative InverseMask(DIVIDE_BREAKS, DIVIDE_TRAPS) |
| Use trap instructions to check for integer divide by zero |
| |
| mdouble-float |
| Target Report RejectNegative InverseMask(SINGLE_FLOAT, DOUBLE_FLOAT) |
| Allow hardware floating-point instructions to cover both 32-bit and 64-bit operations |
| |
| mdsp |
| Target Report Mask(DSP) |
| Use MIPS-DSP instructions |
| |
| mdebug |
| Target Var(TARGET_DEBUG_MODE) Undocumented |
| |
| mdebugd |
| Target Var(TARGET_DEBUG_D_MODE) Undocumented |
| |
| meb |
| Target Report RejectNegative Mask(BIG_ENDIAN) |
| Use big-endian byte order |
| |
| mel |
| Target Report RejectNegative InverseMask(BIG_ENDIAN, LITTLE_ENDIAN) |
| Use little-endian byte order |
| |
| membedded-data |
| Target Report Var(TARGET_EMBEDDED_DATA) |
| Use ROM instead of RAM |
| |
| mexplicit-relocs |
| Target Report Mask(EXPLICIT_RELOCS) |
| Use NewABI-style %reloc() assembly operators |
| |
| mfix-r4000 |
| Target Report Mask(FIX_R4000) |
| Work around certain R4000 errata |
| |
| mfix-r4400 |
| Target Report Mask(FIX_R4400) |
| Work around certain R4400 errata |
| |
| mfix-sb1 |
| Target Report Var(TARGET_FIX_SB1) |
| Work around errata for early SB-1 revision 2 cores |
| |
| mfix-vr4120 |
| Target Report Var(TARGET_FIX_VR4120) |
| Work around certain VR4120 errata |
| |
| mfix-vr4130 |
| Target Report Var(TARGET_FIX_VR4130) |
| Work around VR4130 mflo/mfhi errata |
| |
| mfix4300 |
| Target Report Var(TARGET_4300_MUL_FIX) |
| Work around an early 4300 hardware bug |
| |
| mfp-exceptions |
| Target Report Mask(FP_EXCEPTIONS) |
| FP exceptions are enabled |
| |
| mfp32 |
| Target Report RejectNegative InverseMask(FLOAT64) |
| Use 32-bit floating-point registers |
| |
| mfp64 |
| Target Report RejectNegative Mask(FLOAT64) |
| Use 64-bit floating-point registers |
| |
| mflush-func= |
| Target RejectNegative Joined Var(mips_cache_flush_func) Init(CACHE_FLUSH_FUNC) |
| -mflush-func=FUNC Use FUNC to flush the cache before calling stack trampolines |
| |
| mfused-madd |
| Target Report Mask(FUSED_MADD) |
| Generate floating-point multiply-add instructions |
| |
| mgp32 |
| Target Report RejectNegative InverseMask(64BIT) |
| Use 32-bit general registers |
| |
| mgp64 |
| Target Report RejectNegative Mask(64BIT) |
| Use 64-bit general registers |
| |
| mhard-float |
| Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT) |
| Allow the use of hardware floating-point instructions |
| |
| mips |
| Target RejectNegative Joined |
| -mipsN Generate code for ISA level N |
| |
| mips16 |
| Target Report RejectNegative Mask(MIPS16) |
| Generate mips16 code |
| |
| mips3d |
| Target Report RejectNegative Mask(MIPS3D) |
| Use MIPS-3D instructions |
| |
| mlong-calls |
| Target Report Var(TARGET_LONG_CALLS) |
| Use indirect calls |
| |
| mlong32 |
| Target Report RejectNegative InverseMask(LONG64, LONG32) |
| Use a 32-bit long type |
| |
| mlong64 |
| Target Report RejectNegative Mask(LONG64) |
| Use a 64-bit long type |
| |
| mmemcpy |
| Target Report Var(TARGET_MEMCPY) |
| Don't optimize block moves |
| |
| mmips-tfile |
| Target |
| Use the mips-tfile postpass |
| |
| mno-flush-func |
| Target RejectNegative |
| Do not use a cache-flushing function before calling stack trampolines |
| |
| mno-mips16 |
| Target Report RejectNegative InverseMask(MIPS16) |
| Generate normal-mode code |
| |
| mno-mips3d |
| Target Report RejectNegative InverseMask(MIPS3D) |
| Do not use MIPS-3D instructions |
| |
| mpaired-single |
| Target Report Mask(PAIRED_SINGLE_FLOAT) |
| Use paired-single floating-point instructions |
| |
| mshared |
| Target Report Var(TARGET_SHARED) Init(1) |
| When generating -mabicalls code, make the code suitable for use in shared libraries |
| |
| msingle-float |
| Target Report RejectNegative Mask(SINGLE_FLOAT) |
| Restrict the use of hardware floating-point instructions to 32-bit operations |
| |
| msoft-float |
| Target Report RejectNegative Mask(SOFT_FLOAT) |
| Prevent the use of all hardware floating-point instructions |
| |
| msplit-addresses |
| Target Report Mask(SPLIT_ADDRESSES) |
| Optimize lui/addiu address loads |
| |
| msym32 |
| Target Report Var(TARGET_SYM32) |
| Assume all symbols have 32-bit values |
| |
| mtune= |
| Target RejectNegative Joined Var(mips_tune_string) |
| -mtune=PROCESSOR Optimize the output for PROCESSOR |
| |
| muninit-const-in-rodata |
| Target Report Var(TARGET_UNINIT_CONST_IN_RODATA) |
| Put uninitialized constants in ROM (needs -membedded-data) |
| |
| mvr4130-align |
| Target Report Mask(VR4130_ALIGN) |
| Perform VR4130-specific alignment optimizations |
| |
| mxgot |
| Target Report Var(TARGET_XGOT) |
| Lift restrictions on GOT size |
