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