option-summary.html

gcc手册

          -mnumerics  -mold-align  -msoft-float  -mstrict-align 
          -mtail-call
          </pre>

     <p><em>DEC Alpha Options</em>
     <pre class="smallexample">          -mno-fp-regs  -msoft-float  -malpha-as  -mgas 
          -mieee  -mieee-with-inexact  -mieee-conformant 
          -mfp-trap-mode=<var>mode</var>  -mfp-rounding-mode=<var>mode</var> 
          -mtrap-precision=<var>mode</var>  -mbuild-constants 
          -mcpu=<var>cpu-type</var>  -mtune=<var>cpu-type</var> 
          -mbwx  -mmax  -mfix  -mcix 
          -mfloat-vax  -mfloat-ieee 
          -mexplicit-relocs  -msmall-data  -mlarge-data 
          -mmemory-latency=<var>time</var>
          </pre>

     <p><em>DEC Alpha/VMS Options</em>
     <pre class="smallexample">          -mvms-return-codes
          </pre>

     <p><em>H8/300 Options</em>
     <pre class="smallexample">          -mrelax  -mh  -ms  -mn  -mint32  -malign-300
          </pre>

     <p><em>SH Options</em>
     <pre class="smallexample">          -m1  -m2  -m3  -m3e 
          -m4-nofpu  -m4-single-only  -m4-single  -m4 
          -m5-64media  -m5-64media-nofpu 
          -m5-32media  -m5-32media-nofpu 
          -m5-compact  -m5-compact-nofpu 
          -mb  -ml  -mdalign  -mrelax 
          -mbigtable  -mfmovd  -mhitachi  -mnomacsave 
          -mieee  -misize  -mpadstruct  -mspace 
          -mprefergot  -musermode
          </pre>

     <p><em>System V Options</em>
     <pre class="smallexample">          -Qy  -Qn  -YP,<var>paths</var>  -Ym,<var>dir</var>
          </pre>

     <p><em>ARC Options</em>
     <pre class="smallexample">          -EB  -EL 
          -mmangle-cpu  -mcpu=<var>cpu</var>  -mtext=<var>text-section</var> 
          -mdata=<var>data-section</var>  -mrodata=<var>readonly-data-section</var>
          </pre>

     <p><em>TMS320C3x/C4x Options</em>
     <pre class="smallexample">          -mcpu=<var>cpu</var>  -mbig  -msmall  -mregparm  -mmemparm 
          -mfast-fix  -mmpyi  -mbk  -mti  -mdp-isr-reload 
          -mrpts=<var>count</var>  -mrptb  -mdb  -mloop-unsigned 
          -mparallel-insns  -mparallel-mpy  -mpreserve-float
          </pre>

     <p><em>V850 Options</em>
     <pre class="smallexample">          -mlong-calls  -mno-long-calls  -mep  -mno-ep 
          -mprolog-function  -mno-prolog-function  -mspace 
          -mtda=<var>n</var>  -msda=<var>n</var>  -mzda=<var>n</var> 
          -mapp-regs  -mno-app-regs 
          -mdisable-callt  -mno-disable-callt 
          -mv850e 
          -mv850  -mbig-switch
          </pre>

     <p><em>NS32K Options</em>
     <pre class="smallexample">          -m32032  -m32332  -m32532  -m32081  -m32381 
          -mmult-add  -mnomult-add  -msoft-float  -mrtd  -mnortd 
          -mregparam  -mnoregparam  -msb  -mnosb 
          -mbitfield  -mnobitfield  -mhimem  -mnohimem
          </pre>

     <p><em>AVR Options</em>
     <pre class="smallexample">          -mmcu=<var>mcu</var>  -msize  -minit-stack=<var>n</var>  -mno-interrupts 
          -mcall-prologues  -mno-tablejump  -mtiny-stack
          </pre>

     <p><em>MCore Options</em>
     <pre class="smallexample">          -mhardlit  -mno-hardlit  -mdiv  -mno-div  -mrelax-immediates 
          -mno-relax-immediates  -mwide-bitfields  -mno-wide-bitfields 
          -m4byte-functions  -mno-4byte-functions  -mcallgraph-data 
          -mno-callgraph-data  -mslow-bytes  -mno-slow-bytes  -mno-lsim 
          -mlittle-endian  -mbig-endian  -m210  -m340  -mstack-increment
          </pre>

     <p><em>MMIX Options</em>
     <pre class="smallexample">          -mlibfuncs  -mno-libfuncs  -mepsilon  -mno-epsilon  -mabi=gnu 
          -mabi=mmixware  -mzero-extend  -mknuthdiv  -mtoplevel-symbols 
          -melf  -mbranch-predict  -mno-branch-predict  -mbase-addresses 
          -mno-base-addresses  -msingle-exit  -mno-single-exit
          </pre>

     <p><em>IA-64 Options</em>
     <pre class="smallexample">          -mbig-endian  -mlittle-endian  -mgnu-as  -mgnu-ld  -mno-pic 
          -mvolatile-asm-stop  -mb-step  -mregister-names  -mno-sdata 
          -mconstant-gp  -mauto-pic  -minline-float-divide-min-latency 
          -minline-float-divide-max-throughput 
          -minline-int-divide-min-latency 
          -minline-int-divide-max-throughput  -mno-dwarf2-asm 
          -mfixed-range=<var>register-range</var>
          </pre>

     <p><em>D30V Options</em>
     <pre class="smallexample">          -mextmem  -mextmemory  -monchip  -mno-asm-optimize 
          -masm-optimize  -mbranch-cost=<var>n</var>  -mcond-exec=<var>n</var>
          </pre>

     <p><em>S/390 and zSeries Options</em>
     <pre class="smallexample">          -mhard-float  -msoft-float  -mbackchain  -mno-backchain 
          -msmall-exec  -mno-small-exec  -mmvcle  -mno-mvcle 
          -m64  -m31  -mdebug  -mno-debug
          </pre>

     <p><em>CRIS Options</em>
     <pre class="smallexample">          -mcpu=<var>cpu</var>  -march=<var>cpu</var>  -mtune=<var>cpu</var> 
          -mmax-stack-frame=<var>n</var>  -melinux-stacksize=<var>n</var> 
          -metrax4  -metrax100  -mpdebug  -mcc-init  -mno-side-effects 
          -mstack-align  -mdata-align  -mconst-align 
          -m32-bit  -m16-bit  -m8-bit  -mno-prologue-epilogue  -mno-gotplt 
          -melf  -maout  -melinux  -mlinux  -sim  -sim2
          </pre>

     <p><em>PDP-11 Options</em>
     <pre class="smallexample">          -mfpu  -msoft-float  -mac0  -mno-ac0  -m40  -m45  -m10 
          -mbcopy  -mbcopy-builtin  -mint32  -mno-int16 
          -mint16  -mno-int32  -mfloat32  -mno-float64 
          -mfloat64  -mno-float32  -mabshi  -mno-abshi 
          -mbranch-expensive  -mbranch-cheap 
          -msplit  -mno-split  -munix-asm  -mdec-asm
          </pre>

     <p><em>Xstormy16 Options</em>
     <pre class="smallexample">          -msim
          </pre>

     <p><em>Xtensa Options</em>
     <pre class="smallexample">          -mbig-endian  -mlittle-endian 
          -mdensity  -mno-density 
          -mmac16  -mno-mac16 
          -mmul16  -mno-mul16 
          -mmul32  -mno-mul32 
          -mnsa  -mno-nsa 
          -mminmax  -mno-minmax 
          -msext  -mno-sext 
          -mbooleans  -mno-booleans 
          -mhard-float  -msoft-float 
          -mfused-madd  -mno-fused-madd 
          -mserialize-volatile  -mno-serialize-volatile 
          -mtext-section-literals  -mno-text-section-literals 
          -mtarget-align  -mno-target-align 
          -mlongcalls  -mno-longcalls
          </pre>

     <p><em>FRV Options</em>
     <pre class="smallexample">          -mgpr-32  -mgpr-64  -mfpr-32  -mfpr-64 
          -mhard-float  -msoft-float  -malloc-cc  -mfixed-cc 
          -mdword  -mno-dword  -mdouble  -mno-double 
          -mmedia  -mno-media  -mmuladd  -mno-muladd  -mlibrary-pic 
          -macc-4  -macc-8  -mpack  -mno-pack  -mno-eflags 
          -mcond-move  -mno-cond-move -mscc  -mno-scc  
          -mcond-exec  -mno-cond-exec  -mvliw-branch  -mno-vliw-branch 
          -mmulti-cond-exec  -mno-multi-cond-exec  -mnested-cond-exec 
          -mno-nested-cond-exec  -mtomcat-stats 
          -mcpu=<var>cpu</var>
          </pre>

     <br><dt><em>Code Generation Options</em>
     <dd>See <a href="Code-Gen-Options.html#Code%20Gen%20Options">Options for Code Generation Conventions</a>.
     <pre class="smallexample">          -fcall-saved-<var>reg</var>  -fcall-used-<var>reg</var> 
          -ffixed-<var>reg</var>  -fexceptions 
          -fnon-call-exceptions  -funwind-tables 
          -fasynchronous-unwind-tables 
          -finhibit-size-directive  -finstrument-functions 
          -fno-common  -fno-ident  -fno-gnu-linker 
          -fpcc-struct-return  -fpic  -fPIC 
          -freg-struct-return  -fshared-data  -fshort-enums 
          -fshort-double  -fshort-wchar  -fvolatile 
          -fvolatile-global  -fvolatile-static 
          -fverbose-asm  -fpack-struct  -fstack-check 
          -fstack-limit-register=<var>reg</var>  -fstack-limit-symbol=<var>sym</var> 
          -fargument-alias  -fargument-noalias 
          -fargument-noalias-global  -fleading-underscore 
          -ftls-model=<var>model</var> 
          -ftrapv  -fbounds-check
          </pre>

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<ul class="menu">
<li><a accesskey="1" href="Overall-Options.html#Overall%20Options">Overall Options</a>:      Controlling the kind of output:
                        an executable, object files, assembler files,
                        or preprocessed source. 
<li><a accesskey="2" href="C-Dialect-Options.html#C%20Dialect%20Options">C Dialect Options</a>:    Controlling the variant of C language compiled. 
<li><a accesskey="3" href="C---Dialect-Options.html#C++%20Dialect%20Options">C++ Dialect Options</a>:  Variations on C++. 
<li><a accesskey="4" href="Objective-C-Dialect-Options.html#Objective-C%20Dialect%20Options">Objective-C Dialect Options</a>:  Variations on Objective-C. 
<li><a accesskey="5" href="Language-Independent-Options.html#Language%20Independent%20Options">Language Independent Options</a>:  Controlling how diagnostics should be
                        formatted. 
<li><a accesskey="6" href="Warning-Options.html#Warning%20Options">Warning Options</a>:      How picky should the compiler be? 
<li><a accesskey="7" href="Debugging-Options.html#Debugging%20Options">Debugging Options</a>:    Symbol tables, measurements, and debugging dumps. 
<li><a accesskey="8" href="Optimize-Options.html#Optimize%20Options">Optimize Options</a>:     How much optimization? 
<li><a accesskey="9" href="Preprocessor-Options.html#Preprocessor%20Options">Preprocessor Options</a>:  Controlling header files and macro definitions. 
                         Also, getting dependency information for Make. 
<li><a href="Assembler-Options.html#Assembler%20Options">Assembler Options</a>:    Passing options to the assembler. 
<li><a href="Link-Options.html#Link%20Options">Link Options</a>:         Specifying libraries and so on. 
<li><a href="Directory-Options.html#Directory%20Options">Directory Options</a>:    Where to find header files and libraries. 
                        Where to find the compiler executable files. 
<li><a href="Spec-Files.html#Spec%20Files">Spec Files</a>:           How to pass switches to sub-processes. 
<li><a href="Target-Options.html#Target%20Options">Target Options</a>:       Running a cross-compiler, or an old version of GCC. 
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