| ; Options for the IA-32 and AMD64 ports 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. |
| |
| m128bit-long-double |
| Target RejectNegative Report Mask(128BIT_LONG_DOUBLE) |
| sizeof(long double) is 16 |
| |
| m32 |
| Target RejectNegative Negative(m64) Report InverseMask(64BIT) |
| Generate 32bit i386 code |
| |
| m386 |
| Target RejectNegative Undocumented |
| ;; Deprecated |
| |
| m3dnow |
| Target Report Mask(3DNOW) |
| Support 3DNow! built-in functions |
| |
| m486 |
| Target RejectNegative Undocumented |
| ;; Deprecated |
| |
| m64 |
| Target RejectNegative Negative(m32) Report Mask(64BIT) |
| Generate 64bit x86-64 code |
| |
| m80387 |
| Target Report Mask(80387) |
| Use hardware fp |
| |
| m96bit-long-double |
| Target RejectNegative Report InverseMask(128BIT_LONG_DOUBLE) |
| sizeof(long double) is 12 |
| |
| maccumulate-outgoing-args |
| Target Report Mask(ACCUMULATE_OUTGOING_ARGS) |
| Reserve space for outgoing arguments in the function prologue |
| |
| malign-double |
| Target Report Mask(ALIGN_DOUBLE) |
| Align some doubles on dword boundary |
| |
| malign-functions= |
| Target RejectNegative Joined Var(ix86_align_funcs_string) |
| Function starts are aligned to this power of 2 |
| |
| malign-jumps= |
| Target RejectNegative Joined Var(ix86_align_jumps_string) |
| Jump targets are aligned to this power of 2 |
| |
| malign-loops= |
| Target RejectNegative Joined Var(ix86_align_loops_string) |
| Loop code aligned to this power of 2 |
| |
| malign-stringops |
| Target RejectNegative Report InverseMask(NO_ALIGN_STRINGOPS, ALIGN_STRINGOPS) |
| Align destination of the string operations |
| |
| march= |
| Target RejectNegative Joined Var(ix86_arch_string) |
| Generate code for given CPU |
| |
| masm= |
| Target RejectNegative Joined Var(ix86_asm_string) |
| Use given assembler dialect |
| |
| mbranch-cost= |
| Target RejectNegative Joined Var(ix86_branch_cost_string) |
| Branches are this expensive (1-5, arbitrary units) |
| |
| mlarge-data-threshold= |
| Target RejectNegative Joined Var(ix86_section_threshold_string) |
| Data greater than given threshold will go into .ldata section in x86-64 medium model |
| |
| mcmodel= |
| Target RejectNegative Joined Var(ix86_cmodel_string) |
| Use given x86-64 code model |
| |
| mdebug-addr |
| Target RejectNegative Var(TARGET_DEBUG_ADDR) Undocumented |
| |
| mdebug-arg |
| Target RejectNegative Var(TARGET_DEBUG_ARG) Undocumented |
| |
| mfancy-math-387 |
| Target RejectNegative Report InverseMask(NO_FANCY_MATH_387, USE_FANCY_MATH_387) |
| Generate sin, cos, sqrt for FPU |
| |
| mfp-ret-in-387 |
| Target Report Mask(FLOAT_RETURNS) |
| Return values of functions in FPU registers |
| |
| mfpmath= |
| Target RejectNegative Joined Var(ix86_fpmath_string) |
| Generate floating point mathematics using given instruction set |
| |
| mhard-float |
| Target RejectNegative Mask(80387) MaskExists |
| Use hardware fp |
| |
| mieee-fp |
| Target Report Mask(IEEE_FP) |
| Use IEEE math for fp comparisons |
| |
| minline-all-stringops |
| Target Report Mask(INLINE_ALL_STRINGOPS) |
| Inline all known string operations |
| |
| mintel-syntax |
| Target Undocumented |
| ;; Deprecated |
| |
| mmmx |
| Target Report Mask(MMX) |
| Support MMX built-in functions |
| |
| mms-bitfields |
| Target Report Mask(MS_BITFIELD_LAYOUT) |
| Use native (MS) bitfield layout |
| |
| mno-align-stringops |
| Target RejectNegative Report Mask(NO_ALIGN_STRINGOPS) Undocumented |
| |
| mno-fancy-math-387 |
| Target RejectNegative Report Mask(NO_FANCY_MATH_387) Undocumented |
| |
| mno-push-args |
| Target RejectNegative Report Mask(NO_PUSH_ARGS) Undocumented |
| |
| mno-red-zone |
| Target RejectNegative Report Mask(NO_RED_ZONE) Undocumented |
| |
| momit-leaf-frame-pointer |
| Target Report Mask(OMIT_LEAF_FRAME_POINTER) |
| Omit the frame pointer in leaf functions |
| |
| mpentium |
| Target RejectNegative Undocumented |
| ;; Deprecated |
| |
| mpentiumpro |
| Target RejectNegative Undocumented |
| ;; Deprecated |
| |
| mpreferred-stack-boundary= |
| Target RejectNegative Joined Var(ix86_preferred_stack_boundary_string) |
| Attempt to keep stack aligned to this power of 2 |
| |
| mpush-args |
| Target Report InverseMask(NO_PUSH_ARGS, PUSH_ARGS) |
| Use push instructions to save outgoing arguments |
| |
| mred-zone |
| Target RejectNegative Report InverseMask(NO_RED_ZONE, RED_ZONE) |
| Use red-zone in the x86-64 code |
| |
| mregparm= |
| Target RejectNegative Joined Var(ix86_regparm_string) |
| Number of registers used to pass integer arguments |
| |
| mrtd |
| Target Report Mask(RTD) |
| Alternate calling convention |
| |
| msoft-float |
| Target InverseMask(80387) |
| Do not use hardware fp |
| |
| msse |
| Target Report Mask(SSE) |
| Support MMX and SSE built-in functions and code generation |
| |
| msse2 |
| Target Report Mask(SSE2) |
| Support MMX, SSE and SSE2 built-in functions and code generation |
| |
| msse3 |
| Target Report Mask(SSE3) |
| Support MMX, SSE, SSE2 and SSE3 built-in functions and code generation |
| |
| ; APPLE LOCAL begin mainline |
| mssse3 |
| Target Report Mask(SSSE3) |
| Support SSSE3 built-in functions and code generation |
| ; APPLE LOCAL end mainline |
| |
| msseregparm |
| Target RejectNegative Mask(SSEREGPARM) |
| Use SSE register passing conventions for SF and DF mode |
| |
| mstackrealign |
| Target Report Var(ix86_force_align_arg_pointer) |
| Realign stack in prologue |
| |
| msvr3-shlib |
| Target Report Mask(SVR3_SHLIB) |
| Uninitialized locals in .bss |
| |
| mstack-arg-probe |
| Target Report Mask(STACK_PROBE) |
| Enable stack probing |
| |
| mtls-dialect= |
| Target RejectNegative Joined Var(ix86_tls_dialect_string) |
| Use given thread-local storage dialect |
| |
| mtls-direct-seg-refs |
| Target Report Mask(TLS_DIRECT_SEG_REFS) |
| Use direct references against %gs when accessing tls data |
| |
| mtune= |
| Target RejectNegative Joined Var(ix86_tune_string) |
| Schedule code for given CPU |
| |
| ;; Support Athlon 3Dnow builtins |
| Mask(3DNOW_A) |
| |
| ;; APPLE LOCAL begin 5612787 mainline sse4 |
| ;; Var(ix86_isa_flags) |
| msse4.1 |
| Target Report Mask(SSE4_1) VarExists |
| Support MMX, SSE, SSE2, SSE3, SSSE3 and SSE4.1 built-in functions and code generation |
| |
| ;; Var(ix86_isa_flags) |
| msse4.2 |
| Target Report Mask(SSE4_2) VarExists |
| Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation |
| |
| ;; Var(ix86_isa_flags) |
| msse4 |
| Target RejectNegative Report Mask(SSE4_2) MaskExists VarExists |
| Support MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2 built-in functions and code generation |
| |
| ;; Var(ix86_isa_flags) |
| mno-sse4 |
| Target RejectNegative Report InverseMask(SSE4_1) MaskExists VarExists |
| Do not support SSE4.1 and SSE4.2 built-in functions and code generation |
| |
| ;; Var(ix86_isa_flags) |
| msse4a |
| Target Report Mask(SSE4A) VarExists |
| Support MMX, SSE, SSE2, SSE3 and SSE4A built-in functions and code generation |
| ;; APPLE LOCAL end 5612787 mainline sse4 |
