Red Hat ENTERPRISE LINUX 4 Manual page 21

Chapter 4. GCC Command Options
-mcheck-zero-division
-mmemcpy -mno-memcpy
-mmad -mno-mad
-mfix-sb1 -mno-fix-sb1
-mno-flush-func
i386 and x86-64 Options
-mtune=
cpu-type
-mfpmath=
unit
-masm=
dialect
-mno-fp-ret-in-387
-mno-wide-multiply
-mpreferred-stack-boundary=
-mmmx -msse
-mthreads -mno-align-stringops
-mpush-args
-m96bit-long-double
-mno-red-zone -mno-tls-direct-seg-refs
-mcmodel=
code-model
-m32 -m64
HPPA Options
-march=
architecture-type
-mbig-switch
-mfast-indirect-calls
-mjump-in-delay -mlinker-opt -mlong-calls
-mlong-load-store
-mno-disable-indexing
-mno-jump-in-delay
-mno-portable-runtime
-mno-space-regs
-mpa-risc-1-1
-mschedule=
cpu-type
-nolibdld -static
Intel 960 Options
-m -masm-compat
cpu-type
-mcode-align
-mic-compat
-mintel-asm
-mno-complex-addr
-mno-old-align
-mnumerics
-mtail-call
DEC Alpha Options
-mno-fp-regs
-mieee -mieee-with-inexact
-mfp-trap-mode=
-mtrap-precision=
-mcpu=
cpu-type
-mbwx -mmax
-mfloat-vax
-mexplicit-relocs
-msmall-text
-mmemory-latency=
DEC Alpha/VMS Options
-mvms-return-codes
H8/300 Options
-mrelax -mh
SH Options
-mno-check-zero-division
-mlong-calls
-mfused-madd
-mflush-func=
-mbranch-likely
-march=
cpu-type
-mno-fancy-math-387
-msoft-float
-mrtd -malign-double
num
-msse2 -msse3 -m3dnow
-maccumulate-outgoing-args
-mregparm=
-mdisable-fpregs
-mgas
-mno-big-switch
-mno-fast-indirect-calls
-mno-long-load-store
-mno-soft-float
-msoft-float
-mpa-risc-2-0
-mspace-regs
-threads
-mclean-linkage
-mcomplex-addr
-mic2.0-compat
-mno-clean-linkage
-mno-leaf-procedures
-mno-strict-align
-mold-align -msoft-float
-msoft-float
-mfp-rounding-mode=
mode
-mbuild-constants
mode
-mtune=
cpu-type
-mfix -mcix
-mfloat-ieee
-msmall-data
-mlarge-text
time
-ms -mn -mint32
-mno-long-calls
-mno-fused-madd
func
-mno-branch-likely
-msvr3-shlib
-minline-all-stringops
-m128bit-long-double
-momit-leaf-frame-pointer
num
-mdisable-indexing
-mgnu-ld -mhp-ld
-mno-disable-fpregs
-mpa-risc-1-0
-mportable-runtime
-msio -mwsio
-mleaf-procedures
-mic3.0-compat
-mno-code-align
-mno-tail-call
-mstrict-align
-malpha-as -mgas
-mieee-conformant
mode
-mlarge-data
-malign-300
-nocpp
-mno-gas
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