diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 348 |
2 files changed, 162 insertions, 194 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f8fabd1..a9d111d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2003-04-07 James A. Morrison <ja2morri@uwaterloo.ca> + + * doc/invoke.texi: Eliminate extra white-space caused by + @gccoptlist{ on its own line. + * doc/invoke.texi: Ensured there are two spaces between each option. + * doc/invoke.texi: Re-wrapped option lines that were too wide. + Added @gol to options that didn't have them. + 2003-04-07 James A Morrison <ja2morri@student.math.uwaterloo.ca> * doc/extend.texi (Darwin Pragmas): Fix spelling of Mac OS. diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index fac5ae9..a144266 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -156,15 +156,13 @@ in the following sections. @table @emph @item Overall Options @xref{Overall Options,,Options Controlling the Kind of Output}. -@gccoptlist{ --c -S -E -o @var{file} -pipe -pass-exit-codes -x @var{language} @gol --v -### --help --target-help --version} +@gccoptlist{-c -S -E -o @var{file} -pipe -pass-exit-codes @gol +-x @var{language} -v -### --help --target-help --version} @item C Language Options @xref{C Dialect Options,,Options Controlling C Dialect}. -@gccoptlist{ --ansi -std=@var{standard} -aux-info @var{filename} @gol --fno-asm -fno-builtin -fno-builtin-@var{function} @gol +@gccoptlist{-ansi -std=@var{standard} -aux-info @var{filename} @gol +-fno-asm -fno-builtin -fno-builtin-@var{function} @gol -fhosted -ffreestanding -fms-extensions @gol -trigraphs -no-integrated-cpp -traditional -traditional-cpp @gol -fallow-single-precision -fcond-mismatch @gol @@ -174,9 +172,8 @@ in the following sections. @item C++ Language Options @xref{C++ Dialect Options,,Options Controlling C++ Dialect}. -@gccoptlist{ --fabi-version=@var{n} -fno-access-control -fcheck-new @gol --fconserve-space -fno-const-strings -fdollars-in-identifiers @gol +@gccoptlist{-fabi-version=@var{n} -fno-access-control -fcheck-new @gol +-fconserve-space -fno-const-strings -fdollars-in-identifiers @gol -fno-elide-constructors @gol -fno-enforce-eh-specs -fexternal-templates @gol -falt-external-templates @gol @@ -188,7 +185,7 @@ in the following sections. -fno-optional-diags -fpermissive @gol -frepo -fno-rtti -fstats -ftemplate-depth-@var{n} @gol -fuse-cxa-atexit -fvtable-gc -fno-weak -nostdinc++ @gol --fno-default-inline -Wabi -Wctor-dtor-privacy @gol +-fno-default-inline -Wabi -Wctor-dtor-privacy @gol -Wnon-virtual-dtor -Wreorder @gol -Weffc++ -Wno-deprecated @gol -Wno-non-template-friend -Wold-style-cast @gol @@ -197,21 +194,18 @@ in the following sections. @item Objective-C Language Options @xref{Objective-C Dialect Options,,Options Controlling Objective-C Dialect}. -@gccoptlist{ --fconstant-string-class=@var{class-name} @gol +@gccoptlist{-fconstant-string-class=@var{class-name} @gol -fgnu-runtime -fnext-runtime -gen-decls @gol -Wno-protocol -Wselector -Wundeclared-selector} @item Language Independent Options @xref{Language Independent Options,,Options to Control Diagnostic Messages Formatting}. -@gccoptlist{ --fmessage-length=@var{n} @gol +@gccoptlist{-fmessage-length=@var{n} @gol -fdiagnostics-show-location=@r{[}once@r{|}every-line@r{]}} @item Warning Options @xref{Warning Options,,Options to Request or Suppress Warnings}. -@gccoptlist{ --fsyntax-only -pedantic -pedantic-errors @gol +@gccoptlist{-fsyntax-only -pedantic -pedantic-errors @gol -w -Wextra -Wall -Waggregate-return @gol -Wcast-align -Wcast-qual -Wchar-subscripts -Wcomment @gol -Wconversion -Wno-deprecated-declarations @gol @@ -230,25 +224,24 @@ in the following sections. -Wparentheses -Wpointer-arith -Wredundant-decls @gol -Wreturn-type -Wsequence-point -Wshadow @gol -Wsign-compare -Wstrict-aliasing @gol --Wswitch -Wswitch-default -Wswitch-enum @gol --Wsystem-headers -Wtrigraphs -Wundef -Wuninitialized @gol +-Wswitch -Wswitch-default -Wswitch-enum @gol +-Wsystem-headers -Wtrigraphs -Wundef -Wuninitialized @gol -Wunknown-pragmas -Wunreachable-code @gol -Wunused -Wunused-function -Wunused-label -Wunused-parameter @gol -Wunused-value -Wunused-variable -Wwrite-strings} @item C-only Warning Options -@gccoptlist{ --Wbad-function-cast -Wmissing-declarations @gol +@gccoptlist{-Wbad-function-cast -Wmissing-declarations @gol -Wmissing-prototypes -Wnested-externs @gol -Wstrict-prototypes -Wtraditional} @item Debugging Options @xref{Debugging Options,,Options for Debugging Your Program or GCC}. -@gccoptlist{ --d@var{letters} -dumpspecs -dumpmachine -dumpversion @gol --fdump-unnumbered -fdump-translation-unit@r{[}-@var{n}@r{]} @gol +@gccoptlist{-d@var{letters} -dumpspecs -dumpmachine -dumpversion @gol +-fdump-unnumbered -fdump-translation-unit@r{[}-@var{n}@r{]} @gol -fdump-class-hierarchy@r{[}-@var{n}@r{]} @gol --fdump-tree-original@r{[}-@var{n}@r{]} -fdump-tree-optimized@r{[}-@var{n}@r{]} @gol +-fdump-tree-original@r{[}-@var{n}@r{]} @gol +-fdump-tree-optimized@r{[}-@var{n}@r{]} @gol -fdump-tree-inlined@r{[}-@var{n}@r{]} @gol -feliminate-dwarf2-dups -fmem-report @gol -fprofile-arcs -fsched-verbose=@var{n} @gol @@ -263,44 +256,43 @@ in the following sections. @item Optimization Options @xref{Optimize Options,,Options that Control Optimization}. -@gccoptlist{ --falign-functions=@var{n} -falign-jumps=@var{n} @gol +@gccoptlist{-falign-functions=@var{n} -falign-jumps=@var{n} @gol -falign-labels=@var{n} -falign-loops=@var{n} @gol --fbranch-probabilities -fcaller-saves -fcprop-registers @gol +-fbranch-probabilities -fcaller-saves -fcprop-registers @gol -fcse-follow-jumps -fcse-skip-blocks -fdata-sections @gol -fdelayed-branch -fdelete-null-pointer-checks @gol -fexpensive-optimizations -ffast-math -ffloat-store @gol -fforce-addr -fforce-mem -ffunction-sections @gol --fgcse -fgcse-lm -fgcse-sm -floop-optimize -fcrossjumping @gol --fif-conversion -fif-conversion2 @gol +-fgcse -fgcse-lm -fgcse-sm -floop-optimize -fcrossjumping @gol +-fif-conversion -fif-conversion2 @gol -finline-functions -finline-limit=@var{n} -fkeep-inline-functions @gol -fkeep-static-consts -fmerge-constants -fmerge-all-constants @gol -fmove-all-movables -fnew-ra -fno-branch-count-reg @gol -fno-default-inline -fno-defer-pop @gol -fno-function-cse -fno-guess-branch-probability @gol -fno-inline -fno-math-errno -fno-peephole -fno-peephole2 @gol --funsafe-math-optimizations -ffinite-math-only @gol --fno-trapping-math -fno-zero-initialized-in-bss @gol +-funsafe-math-optimizations -ffinite-math-only @gol +-fno-trapping-math -fno-zero-initialized-in-bss @gol -fomit-frame-pointer -foptimize-register-move @gol -foptimize-sibling-calls -fprefetch-loop-arrays @gol --freduce-all-givs -fregmove -frename-registers @gol --freorder-blocks -freorder-functions @gol +-freduce-all-givs -fregmove -frename-registers @gol +-freorder-blocks -freorder-functions @gol -frerun-cse-after-loop -frerun-loop-opt @gol -fschedule-insns -fschedule-insns2 @gol -fno-sched-interblock -fno-sched-spec -fsched-spec-load @gol -fsched-spec-load-dangerous -fsched2-use-superblocks @gol -fsched2-use-traces -fsignaling-nans @gol --fsingle-precision-constant -fssa -fssa-ccp -fssa-dce @gol --fstrength-reduce -fstrict-aliasing -ftracer -fthread-jumps @gol --funroll-all-loops -funroll-loops -fpeel-loops -funswitch-loops @gol --fold-unroll-loops -fold-unroll-all-loops @gol +-fsingle-precision-constant -fssa -fssa-ccp -fssa-dce @gol +-fstrength-reduce -fstrict-aliasing -ftracer -fthread-jumps @gol +-funroll-all-loops -funroll-loops -fpeel-loops @gol +-funswitch-loops -fold-unroll-loops -fold-unroll-all-loops @gol --param @var{name}=@var{value} -O -O0 -O1 -O2 -O3 -Os} @item Preprocessor Options @xref{Preprocessor Options,,Options Controlling the Preprocessor}. -@gccoptlist{ --$ -A@var{question}=@var{answer} -A-@var{question}@r{[}=@var{answer}@r{]} @gol +@gccoptlist{-$ -A@var{question}=@var{answer} @gol +-A-@var{question}@r{[}=@var{answer}@r{]} @gol -C -dD -dI -dM -dN @gol -D@var{macro}@r{[}=@var{defn}@r{]} -E -H @gol -idirafter @var{dir} @gol @@ -308,17 +300,16 @@ in the following sections. -iprefix @var{file} -iwithprefix @var{dir} @gol -iwithprefixbefore @var{dir} -isystem @var{dir} @gol -M -MM -MF -MG -MP -MQ -MT -nostdinc -P -remap @gol --trigraphs -undef -U@var{macro} -Wp,@var{option} -Xpreprocessor @var{option}} +-trigraphs -undef -U@var{macro} -Wp,@var{option} @gol +-Xpreprocessor @var{option}} @item Assembler Option @xref{Assembler Options,,Passing Options to the Assembler}. -@gccoptlist{ --Wa,@var{option} -Xassembler @var{option}} +@gccoptlist{-Wa,@var{option} -Xassembler @var{option}} @item Linker Options @xref{Link Options,,Options for Linking}. -@gccoptlist{ -@var{object-file-name} -l@var{library} @gol +@gccoptlist{@var{object-file-name} -l@var{library} @gol -nostartfiles -nodefaultlibs -nostdlib @gol -s -static -static-libgcc -shared -shared-libgcc -symbolic @gol -Wl,@var{option} -Xlinker @var{option} @gol @@ -326,38 +317,32 @@ in the following sections. @item Directory Options @xref{Directory Options,,Options for Directory Search}. -@gccoptlist{ --B@var{prefix} -I@var{dir} -I- -L@var{dir} -specs=@var{file}} +@gccoptlist{-B@var{prefix} -I@var{dir} -I- -L@var{dir} -specs=@var{file}} @item Target Options @c I wrote this xref this way to avoid overfull hbox. -- rms @xref{Target Options}. -@gccoptlist{ --V @var{version} -b @var{machine}} +@gccoptlist{-V @var{version} -b @var{machine}} @item Machine Dependent Options @xref{Submodel Options,,Hardware Models and Configurations}. @emph{M680x0 Options} -@gccoptlist{ --m68000 -m68020 -m68020-40 -m68020-60 -m68030 -m68040 @gol +@gccoptlist{-m68000 -m68020 -m68020-40 -m68020-60 -m68030 -m68040 @gol -m68060 -mcpu32 -m5200 -m68881 -mbitfield -mc68000 -mc68020 @gol -mfpa -mnobitfield -mrtd -mshort -msoft-float -mpcrel @gol -malign-int -mstrict-align} @emph{M68hc1x Options} -@gccoptlist{ --m6811 -m6812 -m68hc11 -m68hc12 -m68hcs12 @gol +@gccoptlist{-m6811 -m6812 -m68hc11 -m68hc12 -m68hcs12 @gol -mauto-incdec -minmax -mlong-calls -mshort @gol -msoft-reg-count=@var{count}} @emph{VAX Options} -@gccoptlist{ --mg -mgnu -munix} +@gccoptlist{-mg -mgnu -munix} @emph{SPARC Options} -@gccoptlist{ --mcpu=@var{cpu-type} @gol +@gccoptlist{-mcpu=@var{cpu-type} @gol -mtune=@var{cpu-type} @gol -mcmodel=@var{code-model} @gol -m32 -m64 @gol @@ -371,8 +356,7 @@ in the following sections. -msupersparc -munaligned-doubles -mv8} @emph{ARM Options} -@gccoptlist{ --mapcs-frame -mno-apcs-frame @gol +@gccoptlist{-mapcs-frame -mno-apcs-frame @gol -mapcs-26 -mapcs-32 @gol -mapcs-stack-check -mno-apcs-stack-check @gol -mapcs-float -mno-apcs-float @gol @@ -393,26 +377,22 @@ in the following sections. -mpoke-function-name @gol -mthumb -marm @gol -mtpcs-frame -mtpcs-leaf-frame @gol --mcaller-super-interworking -mcallee-super-interworking } +-mcaller-super-interworking -mcallee-super-interworking} @emph{MN10200 Options} -@gccoptlist{ --mrelax} +@gccoptlist{-mrelax} @emph{MN10300 Options} -@gccoptlist{ --mmult-bug -mno-mult-bug @gol +@gccoptlist{-mmult-bug -mno-mult-bug @gol -mam33 -mno-am33 @gol -mno-crt0 -mrelax} @emph{M32R/D Options} -@gccoptlist{ --m32rx -m32r -mcode-model=@var{model-type} -msdata=@var{sdata-type} @gol --G @var{num}} +@gccoptlist{-m32rx -m32r -mcode-model=@var{model-type} @gol +-msdata=@var{sdata-type} -G @var{num}} @emph{M88K Options} -@gccoptlist{ --m88000 -m88100 -m88110 -mbig-pic @gol +@gccoptlist{-m88000 -m88100 -m88110 -mbig-pic @gol -mcheck-zero-division -mhandle-large-shift @gol -midentify-revision -mno-check-zero-division @gol -mno-ocs-debug-info -mno-ocs-frame-position @gol @@ -424,12 +404,11 @@ in the following sections. -mversion-03.00 -mwarn-passed-structs} @emph{RS/6000 and PowerPC Options} -@gccoptlist{ --mcpu=@var{cpu-type} @gol +@gccoptlist{-mcpu=@var{cpu-type} @gol -mtune=@var{cpu-type} @gol -mpower -mno-power -mpower2 -mno-power2 @gol -mpowerpc -mpowerpc64 -mno-powerpc @gol --maltivec -mno-altivec @gol +-maltivec -mno-altivec @gol -mpowerpc-gpopt -mno-powerpc-gpopt @gol -mpowerpc-gfxopt -mno-powerpc-gfxopt @gol -mnew-mnemonics -mold-mnemonics @gol @@ -501,25 +480,24 @@ in the following sections. -mbranch-likely -mno-branch-likely} @emph{i386 and x86-64 Options} -@gccoptlist{ --mtune=@var{cpu-type} -march=@var{cpu-type} -mfpmath=@var{unit} @gol +@gccoptlist{-mtune=@var{cpu-type} -march=@var{cpu-type} @gol +-mfpmath=@var{unit} @gol -masm=@var{dialect} -mno-fancy-math-387 @gol -mno-fp-ret-in-387 -msoft-float -msvr3-shlib @gol -mno-wide-multiply -mrtd -malign-double @gol -mpreferred-stack-boundary=@var{num} @gol --mmmx -msse -msse2 -m3dnow @gol +-mmmx -msse -msse2 -m3dnow @gol -mthreads -mno-align-stringops -minline-all-stringops @gol -mpush-args -maccumulate-outgoing-args -m128bit-long-double @gol -m96bit-long-double -mregparm=@var{num} -momit-leaf-frame-pointer @gol --mno-red-zone@gol +-mno-red-zone @gol -mcmodel=@var{code-model} @gol --m32 -m64} +-m32 -m64} @emph{HPPA Options} -@gccoptlist{ --march=@var{architecture-type} @gol +@gccoptlist{-march=@var{architecture-type} @gol -mbig-switch -mdisable-fpregs -mdisable-indexing @gol --mfast-indirect-calls -mgas -mgnu-ld -mhp-ld @gol +-mfast-indirect-calls -mgas -mgnu-ld -mhp-ld @gol -mjump-in-delay -mlinker-opt -mlong-calls @gol -mlong-load-store -mno-big-switch -mno-disable-fpregs @gol -mno-disable-indexing -mno-fast-indirect-calls -mno-gas @gol @@ -527,11 +505,10 @@ in the following sections. -mno-portable-runtime -mno-soft-float @gol -mno-space-regs -msoft-float -mpa-risc-1-0 @gol -mpa-risc-1-1 -mpa-risc-2-0 -mportable-runtime @gol --mschedule=@var{cpu-type} -mspace-regs -msio -mwsio} +-mschedule=@var{cpu-type} -mspace-regs -msio -mwsio} @emph{Intel 960 Options} -@gccoptlist{ --m@var{cpu-type} -masm-compat -mclean-linkage @gol +@gccoptlist{-m@var{cpu-type} -masm-compat -mclean-linkage @gol -mcode-align -mcomplex-addr -mleaf-procedures @gol -mic-compat -mic2.0-compat -mic3.0-compat @gol -mintel-asm -mno-clean-linkage -mno-code-align @gol @@ -541,124 +518,109 @@ in the following sections. -mtail-call} @emph{DEC Alpha Options} -@gccoptlist{ --mno-fp-regs -msoft-float -malpha-as -mgas @gol +@gccoptlist{-mno-fp-regs -msoft-float -malpha-as -mgas @gol -mieee -mieee-with-inexact -mieee-conformant @gol -mfp-trap-mode=@var{mode} -mfp-rounding-mode=@var{mode} @gol -mtrap-precision=@var{mode} -mbuild-constants @gol -mcpu=@var{cpu-type} -mtune=@var{cpu-type} @gol -mbwx -mmax -mfix -mcix @gol -mfloat-vax -mfloat-ieee @gol --mexplicit-relocs -msmall-data -mlarge-data -msmall-text -mlarge-text @gol +-mexplicit-relocs -msmall-data -mlarge-data @gol +-msmall-text -mlarge-text @gol -mmemory-latency=@var{time}} @emph{DEC Alpha/VMS Options} -@gccoptlist{ --mvms-return-codes} +@gccoptlist{-mvms-return-codes} @emph{H8/300 Options} -@gccoptlist{ --mrelax -mh -ms -mn -mint32 -malign-300} +@gccoptlist{-mrelax -mh -ms -mn -mint32 -malign-300} @emph{SH Options} -@gccoptlist{ --m1 -m2 -m2e -m3 -m3e @gol +@gccoptlist{-m1 -m2 -m2e -m3 -m3e @gol -m4-nofpu -m4-single-only -m4-single -m4 @gol --m5-64media -m5-64media-nofpu @gol --m5-32media -m5-32media-nofpu @gol --m5-compact -m5-compact-nofpu @gol +-m5-64media -m5-64media-nofpu @gol +-m5-32media -m5-32media-nofpu @gol +-m5-compact -m5-compact-nofpu @gol -mb -ml -mdalign -mrelax @gol -mbigtable -mfmovd -mhitachi -mnomacsave @gol -mieee -misize -mpadstruct -mspace @gol -mprefergot -musermode} @emph{System V Options} -@gccoptlist{ --Qy -Qn -YP,@var{paths} -Ym,@var{dir}} +@gccoptlist{-Qy -Qn -YP,@var{paths} -Ym,@var{dir}} @emph{ARC Options} -@gccoptlist{ --EB -EL @gol +@gccoptlist{-EB -EL @gol -mmangle-cpu -mcpu=@var{cpu} -mtext=@var{text-section} @gol -mdata=@var{data-section} -mrodata=@var{readonly-data-section}} @emph{TMS320C3x/C4x Options} -@gccoptlist{ --mcpu=@var{cpu} -mbig -msmall -mregparm -mmemparm @gol +@gccoptlist{-mcpu=@var{cpu} -mbig -msmall -mregparm -mmemparm @gol -mfast-fix -mmpyi -mbk -mti -mdp-isr-reload @gol -mrpts=@var{count} -mrptb -mdb -mloop-unsigned @gol -mparallel-insns -mparallel-mpy -mpreserve-float} @emph{V850 Options} -@gccoptlist{ --mlong-calls -mno-long-calls -mep -mno-ep @gol +@gccoptlist{-mlong-calls -mno-long-calls -mep -mno-ep @gol -mprolog-function -mno-prolog-function -mspace @gol -mtda=@var{n} -msda=@var{n} -mzda=@var{n} @gol --mapp-regs -mno-app-regs @gol --mdisable-callt -mno-disable-callt @gol +-mapp-regs -mno-app-regs @gol +-mdisable-callt -mno-disable-callt @gol -mv850e @gol -mv850 -mbig-switch} @emph{NS32K Options} -@gccoptlist{ --m32032 -m32332 -m32532 -m32081 -m32381 @gol +@gccoptlist{-m32032 -m32332 -m32532 -m32081 -m32381 @gol -mmult-add -mnomult-add -msoft-float -mrtd -mnortd @gol -mregparam -mnoregparam -msb -mnosb @gol -mbitfield -mnobitfield -mhimem -mnohimem} @emph{AVR Options} -@gccoptlist{ --mmcu=@var{mcu} -msize -minit-stack=@var{n} -mno-interrupts @gol +@gccoptlist{-mmcu=@var{mcu} -msize -minit-stack=@var{n} -mno-interrupts @gol -mcall-prologues -mno-tablejump -mtiny-stack} @emph{MCore Options} -@gccoptlist{ --mhardlit -mno-hardlit -mdiv -mno-div -mrelax-immediates @gol +@gccoptlist{-mhardlit -mno-hardlit -mdiv -mno-div -mrelax-immediates @gol -mno-relax-immediates -mwide-bitfields -mno-wide-bitfields @gol -m4byte-functions -mno-4byte-functions -mcallgraph-data @gol -mno-callgraph-data -mslow-bytes -mno-slow-bytes -mno-lsim @gol -mlittle-endian -mbig-endian -m210 -m340 -mstack-increment} @emph{MMIX Options} -@gccoptlist{ --mlibfuncs -mno-libfuncs -mepsilon -mno-epsilon -mabi=gnu @gol --mabi=mmixware -mzero-extend -mknuthdiv -mtoplevel-symbols @gol --melf -mbranch-predict -mno-branch-predict -mbase-addresses @gol --mno-base-addresses -msingle-exit -mno-single-exit} +@gccoptlist{-mlibfuncs -mno-libfuncs -mepsilon -mno-epsilon -mabi=gnu @gol +-mabi=mmixware -mzero-extend -mknuthdiv -mtoplevel-symbols @gol +-melf -mbranch-predict -mno-branch-predict -mbase-addresses @gol +-mno-base-addresses -msingle-exit -mno-single-exit} @emph{IA-64 Options} -@gccoptlist{ --mbig-endian -mlittle-endian -mgnu-as -mgnu-ld -mno-pic @gol +@gccoptlist{-mbig-endian -mlittle-endian -mgnu-as -mgnu-ld -mno-pic @gol -mvolatile-asm-stop -mb-step -mregister-names -mno-sdata @gol -mconstant-gp -mauto-pic -minline-float-divide-min-latency @gol --minline-float-divide-max-throughput -minline-int-divide-min-latency @gol --minline-int-divide-max-throughput -mno-dwarf2-asm @gol +-minline-float-divide-max-throughput @gol +-minline-int-divide-min-latency @gol +-minline-int-divide-max-throughput -mno-dwarf2-asm @gol -mfixed-range=@var{register-range}} @emph{D30V Options} -@gccoptlist{ --mextmem -mextmemory -monchip -mno-asm-optimize @gol --masm-optimize -mbranch-cost=@var{n} -mcond-exec=@var{n}} +@gccoptlist{-mextmem -mextmemory -monchip -mno-asm-optimize @gol +-masm-optimize -mbranch-cost=@var{n} -mcond-exec=@var{n}} @emph{S/390 and zSeries Options} -@gccoptlist{ --mtune=@var{cpu-type} -march=@var{cpu-type} @gol +@gccoptlist{-mtune=@var{cpu-type} -march=@var{cpu-type} @gol -mhard-float -msoft-float -mbackchain -mno-backchain @gol -msmall-exec -mno-small-exec -mmvcle -mno-mvcle @gol --m64 -m31 -mdebug -mno-debug -mesa -mzarch} +-m64 -m31 -mdebug -mno-debug -mesa -mzarch} @emph{CRIS Options} -@gccoptlist{ --mcpu=@var{cpu} -march=@var{cpu} -mtune=@var{cpu} @gol --mmax-stack-frame=@var{n} -melinux-stacksize=@var{n} @gol --metrax4 -metrax100 -mpdebug -mcc-init -mno-side-effects @gol --mstack-align -mdata-align -mconst-align @gol --m32-bit -m16-bit -m8-bit -mno-prologue-epilogue -mno-gotplt @gol --melf -maout -melinux -mlinux -sim -sim2} +@gccoptlist{-mcpu=@var{cpu} -march=@var{cpu} -mtune=@var{cpu} @gol +-mmax-stack-frame=@var{n} -melinux-stacksize=@var{n} @gol +-metrax4 -metrax100 -mpdebug -mcc-init -mno-side-effects @gol +-mstack-align -mdata-align -mconst-align @gol +-m32-bit -m16-bit -m8-bit -mno-prologue-epilogue -mno-gotplt @gol +-melf -maout -melinux -mlinux -sim -sim2} @emph{PDP-11 Options} -@gccoptlist{ --mfpu -msoft-float -mac0 -mno-ac0 -m40 -m45 -m10 @gol +@gccoptlist{-mfpu -msoft-float -mac0 -mno-ac0 -m40 -m45 -m10 @gol -mbcopy -mbcopy-builtin -mint32 -mno-int16 @gol -mint16 -mno-int32 -mfloat32 -mno-float64 @gol -mfloat64 -mno-float32 -mabshi -mno-abshi @gol @@ -666,47 +628,45 @@ in the following sections. -msplit -mno-split -munix-asm -mdec-asm} @emph{Xstormy16 Options} -@gccoptlist{ --msim} +@gccoptlist{-msim} @emph{Xtensa Options} -@gccoptlist{ --mbig-endian -mlittle-endian @gol --mdensity -mno-density @gol --mmac16 -mno-mac16 @gol --mmul16 -mno-mul16 @gol --mmul32 -mno-mul32 @gol --mnsa -mno-nsa @gol --mminmax -mno-minmax @gol --msext -mno-sext @gol --mbooleans -mno-booleans @gol --mhard-float -msoft-float @gol --mfused-madd -mno-fused-madd @gol --mserialize-volatile -mno-serialize-volatile @gol --mtext-section-literals -mno-text-section-literals @gol --mtarget-align -mno-target-align @gol --mlongcalls -mno-longcalls} +@gccoptlist{-mbig-endian -mlittle-endian @gol +-mdensity -mno-density @gol +-mmac16 -mno-mac16 @gol +-mmul16 -mno-mul16 @gol +-mmul32 -mno-mul32 @gol +-mnsa -mno-nsa @gol +-mminmax -mno-minmax @gol +-msext -mno-sext @gol +-mbooleans -mno-booleans @gol +-mhard-float -msoft-float @gol +-mfused-madd -mno-fused-madd @gol +-mserialize-volatile -mno-serialize-volatile @gol +-mtext-section-literals -mno-text-section-literals @gol +-mtarget-align -mno-target-align @gol +-mlongcalls -mno-longcalls} @emph{FRV Options} -@gccoptlist{ --mgpr-32 -mgpr-64 -mfpr-32 -mfpr-64 -mhard-float -msoft-float @gol --malloc-cc -mfixed-cc -mdword -mno-dword -mdouble -mno-double @gol --mmedia -mno-media -mmuladd -mno-muladd -mlibrary-pic -macc-4 @gol --macc-8 -mpack -mno-pack -mno-eflags -mcond-move -mno-cond-move @gol --mscc -mno-scc -mcond-exec -mno-cond-exec -mvliw-branch -mno-vliw-branch @gol --mmulti-cond-exec -mno-multi-cond-exec -mnested-cond-exec @gol --mno-nested-cond-exec -mtomcat-stats @gol +@gccoptlist{-mgpr-32 -mgpr-64 -mfpr-32 -mfpr-64 @gol +-mhard-float -msoft-float @gol +-malloc-cc -mfixed-cc -mdword -mno-dword @gol +-mdouble -mno-double @gol +-mmedia -mno-media -mmuladd -mno-muladd @gol +-mlibrary-pic -macc-4 -macc-8 @gol +-mpack -mno-pack -mno-eflags -mcond-move -mno-cond-move @gol +-mscc -mno-scc -mcond-exec -mno-cond-exec @gol +-mvliw-branch -mno-vliw-branch @gol +-mmulti-cond-exec -mno-multi-cond-exec -mnested-cond-exec @gol +-mno-nested-cond-exec -mtomcat-stats @gol -mcpu=@var{cpu}} - - @item Code Generation Options @xref{Code Gen Options,,Options for Code Generation Conventions}. -@gccoptlist{ --fcall-saved-@var{reg} -fcall-used-@var{reg} @gol --ffixed-@var{reg} -fexceptions @gol +@gccoptlist{-fcall-saved-@var{reg} -fcall-used-@var{reg} @gol +-ffixed-@var{reg} -fexceptions @gol -fnon-call-exceptions -funwind-tables @gol --fasynchronous-unwind-tables -fforced-unwind-exceptions @gol +-fasynchronous-unwind-tables -fforced-unwind-exceptions @gol -finhibit-size-directive -finstrument-functions @gol -fno-common -fno-ident -fno-gnu-linker @gol -fpcc-struct-return -fpic -fPIC @gol @@ -717,7 +677,7 @@ in the following sections. -fargument-alias -fargument-noalias @gol -fargument-noalias-global -fleading-underscore @gol -ftls-model=@var{model} @gol --ftrapv -fbounds-check} +-ftrapv -fbounds-check} @end table @menu @@ -3475,15 +3435,15 @@ time, without performing any optimizations that take a great deal of compilation time. @option{-O} turns on the following optimization flags: -@gccoptlist{-fdefer-pop --fmerge-constants --fthread-jumps --floop-optimize --fcrossjumping --fif-conversion --fif-conversion2 --fdelayed-branch --fguess-branch-probability +@gccoptlist{-fdefer-pop @gol +-fmerge-constants @gol +-fthread-jumps @gol +-floop-optimize @gol +-fcrossjumping @gol +-fif-conversion @gol +-fif-conversion2 @gol +-fdelayed-branch @gol +-fguess-branch-probability @gol -fcprop-registers} @option{-O} also turns on @option{-fomit-frame-pointer} on machines @@ -3499,22 +3459,22 @@ and the performance of the generated code. @option{-O2} turns on all optimization flags specified by @option{-O}. It also turns on the following optimization flags: -@gccoptlist{-fforce-mem --foptimize-sibling-calls --fstrength-reduce --fcse-follow-jumps -fcse-skip-blocks --frerun-cse-after-loop -frerun-loop-opt --fgcse -fgcse-lm -fgcse-sm --fdelete-null-pointer-checks --fexpensive-optimizations --fregmove --fschedule-insns -fschedule-insns2 --fsched-interblock -fsched-spec --fcaller-saves --fpeephole2 --freorder-blocks -freorder-functions --fstrict-aliasing --falign-functions -falign-jumps +@gccoptlist{-fforce-mem @gol +-foptimize-sibling-calls @gol +-fstrength-reduce @gol +-fcse-follow-jumps -fcse-skip-blocks @gol +-frerun-cse-after-loop -frerun-loop-opt @gol +-fgcse -fgcse-lm -fgcse-sm @gol +-fdelete-null-pointer-checks @gol +-fexpensive-optimizations @gol +-fregmove @gol +-fschedule-insns -fschedule-insns2 @gol +-fsched-interblock -fsched-spec @gol +-fcaller-saves @gol +-fpeephole2 @gol +-freorder-blocks -freorder-functions @gol +-fstrict-aliasing @gol +-falign-functions -falign-jumps @gol -falign-loops -falign-labels} Please note the warning under @option{-fgcse} about @@ -3537,8 +3497,8 @@ do not typically increase code size. It also performs further optimizations designed to reduce code size. @option{-Os} disables the following optimization flags: -@gccoptlist{-falign-functions -falign-jumps -falign-loops --falign-labels -freorder-blocks -fprefetch-loop-arrays} +@gccoptlist{-falign-functions -falign-jumps -falign-loops @gol +-falign-labels -freorder-blocks -fprefetch-loop-arrays} If you use multiple @option{-O} options, with or without level numbers, the last such option is the one that is effective. |