#linux# gcc编译器优化选项的详细信息
2024-05-16 06:36:50
Table of Contents
优化选项-O0
优化选项-O1
优化选项-O2
优化选项-O3
优化选项-OS
支持CPU类型target
gcc编译器优化选项O0, O1, O2, O3, Os时我们有时想查看详细信息，可以使用以下命令查看
#linux# gcc编译优化-O0 -O1 -O2 -O3 -OS说明
https://blog.csdn.net/xiaoting451292510/article/details/104977828
gcc -Q --help=optimizers -O1 > O1.txt目前所用的gcc支持CPU类型
gcc -Q --target-help > target.txt优化选项-O0
The following options control optimizations:-O<number> -Ofast -Og -Os -faggressive-loop-optimizations [enabled]-falign-functions [disabled]-falign-jumps [disabled]-falign-labels [disabled]-falign-loops [disabled]-fassociative-math [disabled]-fasynchronous-unwind-tables [enabled]-fauto-inc-dec [enabled]-fbranch-count-reg [disabled]-fbranch-probabilities [disabled]-fbranch-target-load-optimize [disabled]-fbranch-target-load-optimize2 [disabled]-fbtr-bb-exclusive [disabled]-fcaller-saves [disabled]-fcombine-stack-adjustments [disabled]-fcompare-elim [disabled]-fconserve-stack [disabled]-fcprop-registers [disabled]-fcrossjumping [disabled]-fcse-follow-jumps [disabled]-fcx-fortran-rules [disabled]-fcx-limited-range [disabled]-fdce [enabled]-fdefer-pop [disabled]-fdelayed-branch [disabled]-fdelete-dead-exceptions [disabled]-fdelete-null-pointer-checks [enabled]-fdevirtualize [disabled]-fdevirtualize-speculatively [disabled]-fdse [enabled]-fearly-inlining [enabled]-fexceptions [disabled]-fexpensive-optimizations [disabled]-ffinite-math-only [disabled]-ffloat-store [disabled]-fforward-propagate [disabled]-ffp-contract= fast-ffunction-cse [enabled]-fgcse [disabled]-fgcse-after-reload [disabled]-fgcse-las [disabled]-fgcse-lm [enabled]-fgcse-sm [disabled]-fgraphite [disabled]-fgraphite-identity [disabled]-fguess-branch-probability [disabled]-fhandle-exceptions -fhoist-adjacent-loads [disabled]-fif-conversion [disabled]-fif-conversion2 [disabled]-findirect-inlining [disabled]-finline [enabled]-finline-atomics [enabled]-finline-functions [disabled]-finline-functions-called-once [disabled]-finline-small-functions [disabled]-fipa-cp [disabled]-fipa-cp-alignment [disabled]-fipa-cp-clone [disabled]-fipa-icf [disabled]-fipa-icf-functions [disabled]-fipa-profile [disabled]-fipa-pta [disabled]-fipa-pure-const [disabled]-fipa-ra [disabled]-fipa-reference [disabled]-fipa-sra [disabled]-fira-algorithm= CB-fira-hoist-pressure [enabled]-fira-loop-pressure [disabled]-fira-region= [default]-fira-share-save-slots [enabled]-fira-share-spill-slots [enabled]-fisolate-erroneous-paths-attribute [disabled]-fisolate-erroneous-paths-dereference [disabled]-fivopts [enabled]-fjump-tables [enabled]-flifetime-dse [enabled]-flive-range-shrinkage [disabled]-floop-block [disabled]-floop-interchange [disabled]-floop-nest-optimize [disabled]-floop-parallelize-all [disabled]-floop-strip-mine [disabled]-floop-unroll-and-jam [disabled]-flra-remat [disabled]-fmath-errno [enabled]-fmodulo-sched [disabled]-fmodulo-sched-allow-regmoves [disabled]-fmove-loop-invariants [disabled]-fnon-call-exceptions [disabled]-fnothrow-opt [disabled]-fomit-frame-pointer [disabled]-fopt-info [disabled]-foptimize-sibling-calls [disabled]-foptimize-strlen [disabled]-fpack-struct [disabled]-fpack-struct=<number> -fpartial-inlining [disabled]-fpeel-loops [disabled]-fpeephole [enabled]-fpeephole2 [disabled]-fpredictive-commoning [disabled]-fprefetch-loop-arrays [enabled]-freciprocal-math [disabled]-freg-struct-return [disabled]-frename-registers [enabled]-freorder-blocks [disabled]-freorder-blocks-and-partition [disabled]-freorder-functions [disabled]-frerun-cse-after-loop [disabled]-freschedule-modulo-scheduled-loops [disabled]-frounding-math [disabled]-frtti [enabled]-fsched-critical-path-heuristic [enabled]-fsched-dep-count-heuristic [enabled]-fsched-group-heuristic [enabled]-fsched-interblock [enabled]-fsched-last-insn-heuristic [enabled]-fsched-pressure [disabled]-fsched-rank-heuristic [enabled]-fsched-spec [enabled]-fsched-spec-insn-heuristic [enabled]-fsched-spec-load [disabled]-fsched-spec-load-dangerous [disabled]-fsched-stalled-insns [disabled]-fsched-stalled-insns-dep [enabled]-fsched-stalled-insns-dep=<number> -fsched-stalled-insns=<number> -fsched2-use-superblocks [disabled]-fschedule-fusion [enabled]-fschedule-insns [disabled]-fschedule-insns2 [disabled]-fsection-anchors [disabled]-fsel-sched-pipelining [disabled]-fsel-sched-pipelining-outer-loops [disabled]-fsel-sched-reschedule-pipelined [disabled]-fselective-scheduling [disabled]-fselective-scheduling2 [disabled]-fshort-double [disabled]-fshort-enums [enabled]-fshort-wchar [disabled]-fshrink-wrap [disabled]-fsignaling-nans [disabled]-fsigned-zeros [enabled]-fsimd-cost-model= unlimited-fsingle-precision-constant [disabled]-fsplit-ivs-in-unroller [enabled]-fsplit-wide-types [disabled]-fssa-phiopt [disabled]-fstack-reuse= all-fstdarg-opt [enabled]-fstrict-aliasing [disabled]-fstrict-enums [disabled]-fstrict-overflow [disabled]-fstrict-volatile-bitfields [enabled]-fthread-jumps [disabled]-fno-threadsafe-statics [enabled]-ftracer [disabled]-ftrapping-math [enabled]-ftrapv [disabled]-ftree-bit-ccp [disabled]-ftree-builtin-call-dce [disabled]-ftree-ccp [disabled]-ftree-ch [disabled]-ftree-coalesce-inlined-vars [disabled]-ftree-coalesce-vars [enabled]-ftree-copy-prop [disabled]-ftree-copyrename [disabled]-ftree-cselim [enabled]-ftree-dce [disabled]-ftree-dominator-opts [disabled]-ftree-dse [disabled]-ftree-forwprop [enabled]-ftree-fre [disabled]-ftree-loop-distribute-patterns [disabled]-ftree-loop-distribution [disabled]-ftree-loop-if-convert [enabled]-ftree-loop-if-convert-stores [disabled]-ftree-loop-im [enabled]-ftree-loop-ivcanon [enabled]-ftree-loop-optimize [enabled]-ftree-loop-vectorize [disabled]-ftree-lrs [disabled]-ftree-parallelize-loops= 0x1-ftree-partial-pre [disabled]-ftree-phiprop [enabled]-ftree-pre [disabled]-ftree-pta [disabled]-ftree-reassoc [enabled]-ftree-scev-cprop [enabled]-ftree-sink [disabled]-ftree-slp-vectorize [disabled]-ftree-slsr [disabled]-ftree-sra [disabled]-ftree-switch-conversion [disabled]-ftree-tail-merge [disabled]-ftree-ter [disabled]-ftree-vectorize [disabled]-ftree-vrp [disabled]-funroll-all-loops [disabled]-funroll-loops [disabled]-funsafe-loop-optimizations [disabled]-funsafe-math-optimizations [disabled]-funswitch-loops [disabled]-funwind-tables [disabled]-fvar-tracking [enabled]-fvar-tracking-assignments [enabled]-fvar-tracking-assignments-toggle [disabled]-fvar-tracking-uninit [disabled]-fvariable-expansion-in-unroller [disabled]-fvect-cost-model= [default]-fvpt [disabled]-fweb [enabled]-fwrapv [disabled]
优化选项-O1
The following options control optimizations:-O<number> -Ofast -Og -Os -faggressive-loop-optimizations [enabled]-falign-functions [disabled]-falign-jumps [disabled]-falign-labels [disabled]-falign-loops [disabled]-fassociative-math [disabled]-fasynchronous-unwind-tables [enabled]-fauto-inc-dec [enabled]-fbranch-count-reg [enabled]-fbranch-probabilities [disabled]-fbranch-target-load-optimize [disabled]-fbranch-target-load-optimize2 [disabled]-fbtr-bb-exclusive [disabled]-fcaller-saves [disabled]-fcombine-stack-adjustments [enabled]-fcompare-elim [enabled]-fconserve-stack [disabled]-fcprop-registers [enabled]-fcrossjumping [disabled]-fcse-follow-jumps [disabled]-fcx-fortran-rules [disabled]-fcx-limited-range [disabled]-fdce [enabled]-fdefer-pop [enabled]-fdelayed-branch [disabled]-fdelete-dead-exceptions [disabled]-fdelete-null-pointer-checks [enabled]-fdevirtualize [disabled]-fdevirtualize-speculatively [disabled]-fdse [enabled]-fearly-inlining [enabled]-fexceptions [disabled]-fexpensive-optimizations [disabled]-ffinite-math-only [disabled]-ffloat-store [disabled]-fforward-propagate [enabled]-ffp-contract= fast-ffunction-cse [enabled]-fgcse [disabled]-fgcse-after-reload [disabled]-fgcse-las [disabled]-fgcse-lm [enabled]-fgcse-sm [disabled]-fgraphite [disabled]-fgraphite-identity [disabled]-fguess-branch-probability [enabled]-fhandle-exceptions -fhoist-adjacent-loads [disabled]-fif-conversion [enabled]-fif-conversion2 [enabled]-findirect-inlining [disabled]-finline [enabled]-finline-atomics [enabled]-finline-functions [disabled]-finline-functions-called-once [enabled]-finline-small-functions [disabled]-fipa-cp [disabled]-fipa-cp-alignment [disabled]-fipa-cp-clone [disabled]-fipa-icf [disabled]-fipa-icf-functions [disabled]-fipa-profile [enabled]-fipa-pta [disabled]-fipa-pure-const [enabled]-fipa-ra [disabled]-fipa-reference [enabled]-fipa-sra [disabled]-fira-algorithm= CB-fira-hoist-pressure [enabled]-fira-loop-pressure [disabled]-fira-region= [default]-fira-share-save-slots [enabled]-fira-share-spill-slots [enabled]-fisolate-erroneous-paths-attribute [disabled]-fisolate-erroneous-paths-dereference [disabled]-fivopts [enabled]-fjump-tables [enabled]-flifetime-dse [enabled]-flive-range-shrinkage [disabled]-floop-block [disabled]-floop-interchange [disabled]-floop-nest-optimize [disabled]-floop-parallelize-all [disabled]-floop-strip-mine [disabled]-floop-unroll-and-jam [disabled]-flra-remat [disabled]-fmath-errno [enabled]-fmodulo-sched [disabled]-fmodulo-sched-allow-regmoves [disabled]-fmove-loop-invariants [enabled]-fnon-call-exceptions [disabled]-fnothrow-opt [disabled]-fomit-frame-pointer [disabled]-fopt-info [disabled]-foptimize-sibling-calls [disabled]-foptimize-strlen [disabled]-fpack-struct [disabled]-fpack-struct=<number> -fpartial-inlining [disabled]-fpeel-loops [disabled]-fpeephole [enabled]-fpeephole2 [disabled]-fpredictive-commoning [disabled]-fprefetch-loop-arrays [enabled]-freciprocal-math [disabled]-freg-struct-return [disabled]-frename-registers [enabled]-freorder-blocks [disabled]-freorder-blocks-and-partition [disabled]-freorder-functions [disabled]-frerun-cse-after-loop [disabled]-freschedule-modulo-scheduled-loops [disabled]-frounding-math [disabled]-frtti [enabled]-fsched-critical-path-heuristic [enabled]-fsched-dep-count-heuristic [enabled]-fsched-group-heuristic [enabled]-fsched-interblock [enabled]-fsched-last-insn-heuristic [enabled]-fsched-pressure [disabled]-fsched-rank-heuristic [enabled]-fsched-spec [enabled]-fsched-spec-insn-heuristic [enabled]-fsched-spec-load [disabled]-fsched-spec-load-dangerous [disabled]-fsched-stalled-insns [disabled]-fsched-stalled-insns-dep [enabled]-fsched-stalled-insns-dep=<number> -fsched-stalled-insns=<number> -fsched2-use-superblocks [disabled]-fschedule-fusion [enabled]-fschedule-insns [disabled]-fschedule-insns2 [disabled]-fsection-anchors [disabled]-fsel-sched-pipelining [disabled]-fsel-sched-pipelining-outer-loops [disabled]-fsel-sched-reschedule-pipelined [disabled]-fselective-scheduling [disabled]-fselective-scheduling2 [disabled]-fshort-double [disabled]-fshort-enums [enabled]-fshort-wchar [disabled]-fshrink-wrap [enabled]-fsignaling-nans [disabled]-fsigned-zeros [enabled]-fsimd-cost-model= unlimited-fsingle-precision-constant [disabled]-fsplit-ivs-in-unroller [enabled]-fsplit-wide-types [enabled]-fssa-phiopt [enabled]-fstack-reuse= all-fstdarg-opt [enabled]-fstrict-aliasing [disabled]-fstrict-enums [disabled]-fstrict-overflow [disabled]-fstrict-volatile-bitfields [enabled]-fthread-jumps [disabled]-fno-threadsafe-statics [enabled]-ftracer [disabled]-ftrapping-math [enabled]-ftrapv [disabled]-ftree-bit-ccp [enabled]-ftree-builtin-call-dce [disabled]-ftree-ccp [enabled]-ftree-ch [enabled]-ftree-coalesce-inlined-vars [disabled]-ftree-coalesce-vars [enabled]-ftree-copy-prop [enabled]-ftree-copyrename [enabled]-ftree-cselim [enabled]-ftree-dce [enabled]-ftree-dominator-opts [enabled]-ftree-dse [enabled]-ftree-forwprop [enabled]-ftree-fre [enabled]-ftree-loop-distribute-patterns [disabled]-ftree-loop-distribution [disabled]-ftree-loop-if-convert [enabled]-ftree-loop-if-convert-stores [disabled]-ftree-loop-im [enabled]-ftree-loop-ivcanon [enabled]-ftree-loop-optimize [enabled]-ftree-loop-vectorize [disabled]-ftree-lrs [disabled]-ftree-parallelize-loops= 0x1-ftree-partial-pre [disabled]-ftree-phiprop [enabled]-ftree-pre [disabled]-ftree-pta [enabled]-ftree-reassoc [enabled]-ftree-scev-cprop [enabled]-ftree-sink [enabled]-ftree-slp-vectorize [disabled]-ftree-slsr [enabled]-ftree-sra [enabled]-ftree-switch-conversion [disabled]-ftree-tail-merge [disabled]-ftree-ter [enabled]-ftree-vectorize [disabled]-ftree-vrp [disabled]-funroll-all-loops [disabled]-funroll-loops [disabled]-funsafe-loop-optimizations [disabled]-funsafe-math-optimizations [disabled]-funswitch-loops [disabled]-funwind-tables [disabled]-fvar-tracking [enabled]-fvar-tracking-assignments [enabled]-fvar-tracking-assignments-toggle [disabled]-fvar-tracking-uninit [disabled]-fvariable-expansion-in-unroller [disabled]-fvect-cost-model= [default]-fvpt [disabled]-fweb [enabled]-fwrapv [disabled]
优化选项-O2
The following options control optimizations:-O<number> -Ofast -Og -Os -faggressive-loop-optimizations [enabled]-falign-functions [enabled]-falign-jumps [enabled]-falign-labels [enabled]-falign-loops [enabled]-fassociative-math [disabled]-fasynchronous-unwind-tables [enabled]-fauto-inc-dec [enabled]-fbranch-count-reg [enabled]-fbranch-probabilities [disabled]-fbranch-target-load-optimize [disabled]-fbranch-target-load-optimize2 [disabled]-fbtr-bb-exclusive [disabled]-fcaller-saves [enabled]-fcombine-stack-adjustments [enabled]-fcompare-elim [enabled]-fconserve-stack [disabled]-fcprop-registers [enabled]-fcrossjumping [enabled]-fcse-follow-jumps [enabled]-fcx-fortran-rules [disabled]-fcx-limited-range [disabled]-fdce [enabled]-fdefer-pop [enabled]-fdelayed-branch [disabled]-fdelete-dead-exceptions [disabled]-fdelete-null-pointer-checks [enabled]-fdevirtualize [enabled]-fdevirtualize-speculatively [enabled]-fdse [enabled]-fearly-inlining [enabled]-fexceptions [disabled]-fexpensive-optimizations [enabled]-ffinite-math-only [disabled]-ffloat-store [disabled]-fforward-propagate [enabled]-ffp-contract= fast-ffunction-cse [enabled]-fgcse [enabled]-fgcse-after-reload [disabled]-fgcse-las [disabled]-fgcse-lm [enabled]-fgcse-sm [disabled]-fgraphite [disabled]-fgraphite-identity [disabled]-fguess-branch-probability [enabled]-fhandle-exceptions -fhoist-adjacent-loads [enabled]-fif-conversion [enabled]-fif-conversion2 [enabled]-findirect-inlining [enabled]-finline [enabled]-finline-atomics [enabled]-finline-functions [disabled]-finline-functions-called-once [enabled]-finline-small-functions [enabled]-fipa-cp [enabled]-fipa-cp-alignment [enabled]-fipa-cp-clone [disabled]-fipa-icf [enabled]-fipa-icf-functions [enabled]-fipa-profile [enabled]-fipa-pta [disabled]-fipa-pure-const [enabled]-fipa-ra [enabled]-fipa-reference [enabled]-fipa-sra [enabled]-fira-algorithm= CB-fira-hoist-pressure [enabled]-fira-loop-pressure [disabled]-fira-region= [default]-fira-share-save-slots [enabled]-fira-share-spill-slots [enabled]-fisolate-erroneous-paths-attribute [disabled]-fisolate-erroneous-paths-dereference [enabled]-fivopts [enabled]-fjump-tables [enabled]-flifetime-dse [enabled]-flive-range-shrinkage [disabled]-floop-block [disabled]-floop-interchange [disabled]-floop-nest-optimize [disabled]-floop-parallelize-all [disabled]-floop-strip-mine [disabled]-floop-unroll-and-jam [disabled]-flra-remat [enabled]-fmath-errno [enabled]-fmodulo-sched [disabled]-fmodulo-sched-allow-regmoves [disabled]-fmove-loop-invariants [enabled]-fnon-call-exceptions [disabled]-fnothrow-opt [disabled]-fomit-frame-pointer [disabled]-fopt-info [disabled]-foptimize-sibling-calls [enabled]-foptimize-strlen [enabled]-fpack-struct [disabled]-fpack-struct=<number> -fpartial-inlining [enabled]-fpeel-loops [disabled]-fpeephole [enabled]-fpeephole2 [enabled]-fpredictive-commoning [disabled]-fprefetch-loop-arrays [enabled]-freciprocal-math [disabled]-freg-struct-return [disabled]-frename-registers [enabled]-freorder-blocks [enabled]-freorder-blocks-and-partition [enabled]-freorder-functions [enabled]-frerun-cse-after-loop [enabled]-freschedule-modulo-scheduled-loops [disabled]-frounding-math [disabled]-frtti [enabled]-fsched-critical-path-heuristic [enabled]-fsched-dep-count-heuristic [enabled]-fsched-group-heuristic [enabled]-fsched-interblock [enabled]-fsched-last-insn-heuristic [enabled]-fsched-pressure [disabled]-fsched-rank-heuristic [enabled]-fsched-spec [enabled]-fsched-spec-insn-heuristic [enabled]-fsched-spec-load [disabled]-fsched-spec-load-dangerous [disabled]-fsched-stalled-insns [disabled]-fsched-stalled-insns-dep [enabled]-fsched-stalled-insns-dep=<number> -fsched-stalled-insns=<number> -fsched2-use-superblocks [disabled]-fschedule-fusion [enabled]-fschedule-insns [disabled]-fschedule-insns2 [enabled]-fsection-anchors [disabled]-fsel-sched-pipelining [disabled]-fsel-sched-pipelining-outer-loops [disabled]-fsel-sched-reschedule-pipelined [disabled]-fselective-scheduling [disabled]-fselective-scheduling2 [disabled]-fshort-double [disabled]-fshort-enums [enabled]-fshort-wchar [disabled]-fshrink-wrap [enabled]-fsignaling-nans [disabled]-fsigned-zeros [enabled]-fsimd-cost-model= unlimited-fsingle-precision-constant [disabled]-fsplit-ivs-in-unroller [enabled]-fsplit-wide-types [enabled]-fssa-phiopt [enabled]-fstack-reuse= all-fstdarg-opt [enabled]-fstrict-aliasing [enabled]-fstrict-enums [disabled]-fstrict-overflow [enabled]-fstrict-volatile-bitfields [enabled]-fthread-jumps [enabled]-fno-threadsafe-statics [enabled]-ftracer [disabled]-ftrapping-math [enabled]-ftrapv [disabled]-ftree-bit-ccp [enabled]-ftree-builtin-call-dce [enabled]-ftree-ccp [enabled]-ftree-ch [enabled]-ftree-coalesce-inlined-vars [disabled]-ftree-coalesce-vars [enabled]-ftree-copy-prop [enabled]-ftree-copyrename [enabled]-ftree-cselim [enabled]-ftree-dce [enabled]-ftree-dominator-opts [enabled]-ftree-dse [enabled]-ftree-forwprop [enabled]-ftree-fre [enabled]-ftree-loop-distribute-patterns [disabled]-ftree-loop-distribution [disabled]-ftree-loop-if-convert [enabled]-ftree-loop-if-convert-stores [disabled]-ftree-loop-im [enabled]-ftree-loop-ivcanon [enabled]-ftree-loop-optimize [enabled]-ftree-loop-vectorize [disabled]-ftree-lrs [disabled]-ftree-parallelize-loops= 0x1-ftree-partial-pre [disabled]-ftree-phiprop [enabled]-ftree-pre [enabled]-ftree-pta [enabled]-ftree-reassoc [enabled]-ftree-scev-cprop [enabled]-ftree-sink [enabled]-ftree-slp-vectorize [disabled]-ftree-slsr [enabled]-ftree-sra [enabled]-ftree-switch-conversion [enabled]-ftree-tail-merge [enabled]-ftree-ter [enabled]-ftree-vectorize [disabled]-ftree-vrp [enabled]-funroll-all-loops [disabled]-funroll-loops [disabled]-funsafe-loop-optimizations [disabled]-funsafe-math-optimizations [disabled]-funswitch-loops [disabled]-funwind-tables [disabled]-fvar-tracking [enabled]-fvar-tracking-assignments [enabled]-fvar-tracking-assignments-toggle [disabled]-fvar-tracking-uninit [disabled]-fvariable-expansion-in-unroller [disabled]-fvect-cost-model= cheap-fvpt [disabled]-fweb [enabled]-fwrapv [disabled]
优化选项-O3
The following options control optimizations:-O<number> -Ofast -Og -Os -faggressive-loop-optimizations [enabled]-falign-functions [enabled]-falign-jumps [enabled]-falign-labels [enabled]-falign-loops [enabled]-fassociative-math [disabled]-fasynchronous-unwind-tables [enabled]-fauto-inc-dec [enabled]-fbranch-count-reg [enabled]-fbranch-probabilities [disabled]-fbranch-target-load-optimize [disabled]-fbranch-target-load-optimize2 [disabled]-fbtr-bb-exclusive [disabled]-fcaller-saves [enabled]-fcombine-stack-adjustments [enabled]-fcompare-elim [enabled]-fconserve-stack [disabled]-fcprop-registers [enabled]-fcrossjumping [enabled]-fcse-follow-jumps [enabled]-fcx-fortran-rules [disabled]-fcx-limited-range [disabled]-fdce [enabled]-fdefer-pop [enabled]-fdelayed-branch [disabled]-fdelete-dead-exceptions [disabled]-fdelete-null-pointer-checks [enabled]-fdevirtualize [enabled]-fdevirtualize-speculatively [enabled]-fdse [enabled]-fearly-inlining [enabled]-fexceptions [disabled]-fexpensive-optimizations [enabled]-ffinite-math-only [disabled]-ffloat-store [disabled]-fforward-propagate [enabled]-ffp-contract= fast-ffunction-cse [enabled]-fgcse [enabled]-fgcse-after-reload [enabled]-fgcse-las [disabled]-fgcse-lm [enabled]-fgcse-sm [disabled]-fgraphite [disabled]-fgraphite-identity [disabled]-fguess-branch-probability [enabled]-fhandle-exceptions -fhoist-adjacent-loads [enabled]-fif-conversion [enabled]-fif-conversion2 [enabled]-findirect-inlining [enabled]-finline [enabled]-finline-atomics [enabled]-finline-functions [enabled]-finline-functions-called-once [enabled]-finline-small-functions [enabled]-fipa-cp [enabled]-fipa-cp-alignment [enabled]-fipa-cp-clone [enabled]-fipa-icf [enabled]-fipa-icf-functions [enabled]-fipa-profile [enabled]-fipa-pta [disabled]-fipa-pure-const [enabled]-fipa-ra [enabled]-fipa-reference [enabled]-fipa-sra [enabled]-fira-algorithm= CB-fira-hoist-pressure [enabled]-fira-loop-pressure [disabled]-fira-region= [default]-fira-share-save-slots [enabled]-fira-share-spill-slots [enabled]-fisolate-erroneous-paths-attribute [disabled]-fisolate-erroneous-paths-dereference [enabled]-fivopts [enabled]-fjump-tables [enabled]-flifetime-dse [enabled]-flive-range-shrinkage [disabled]-floop-block [disabled]-floop-interchange [disabled]-floop-nest-optimize [disabled]-floop-parallelize-all [disabled]-floop-strip-mine [disabled]-floop-unroll-and-jam [disabled]-flra-remat [enabled]-fmath-errno [enabled]-fmodulo-sched [disabled]-fmodulo-sched-allow-regmoves [disabled]-fmove-loop-invariants [enabled]-fnon-call-exceptions [disabled]-fnothrow-opt [disabled]-fomit-frame-pointer [disabled]-fopt-info [disabled]-foptimize-sibling-calls [enabled]-foptimize-strlen [enabled]-fpack-struct [disabled]-fpack-struct=<number> -fpartial-inlining [enabled]-fpeel-loops [disabled]-fpeephole [enabled]-fpeephole2 [enabled]-fpredictive-commoning [enabled]-fprefetch-loop-arrays [enabled]-freciprocal-math [disabled]-freg-struct-return [disabled]-frename-registers [enabled]-freorder-blocks [enabled]-freorder-blocks-and-partition [enabled]-freorder-functions [enabled]-frerun-cse-after-loop [enabled]-freschedule-modulo-scheduled-loops [disabled]-frounding-math [disabled]-frtti [enabled]-fsched-critical-path-heuristic [enabled]-fsched-dep-count-heuristic [enabled]-fsched-group-heuristic [enabled]-fsched-interblock [enabled]-fsched-last-insn-heuristic [enabled]-fsched-pressure [disabled]-fsched-rank-heuristic [enabled]-fsched-spec [enabled]-fsched-spec-insn-heuristic [enabled]-fsched-spec-load [disabled]-fsched-spec-load-dangerous [disabled]-fsched-stalled-insns [disabled]-fsched-stalled-insns-dep [enabled]-fsched-stalled-insns-dep=<number> -fsched-stalled-insns=<number> -fsched2-use-superblocks [disabled]-fschedule-fusion [enabled]-fschedule-insns [disabled]-fschedule-insns2 [enabled]-fsection-anchors [disabled]-fsel-sched-pipelining [disabled]-fsel-sched-pipelining-outer-loops [disabled]-fsel-sched-reschedule-pipelined [disabled]-fselective-scheduling [disabled]-fselective-scheduling2 [disabled]-fshort-double [disabled]-fshort-enums [enabled]-fshort-wchar [disabled]-fshrink-wrap [enabled]-fsignaling-nans [disabled]-fsigned-zeros [enabled]-fsimd-cost-model= unlimited-fsingle-precision-constant [disabled]-fsplit-ivs-in-unroller [enabled]-fsplit-wide-types [enabled]-fssa-phiopt [enabled]-fstack-reuse= all-fstdarg-opt [enabled]-fstrict-aliasing [enabled]-fstrict-enums [disabled]-fstrict-overflow [enabled]-fstrict-volatile-bitfields [enabled]-fthread-jumps [enabled]-fno-threadsafe-statics [enabled]-ftracer [disabled]-ftrapping-math [enabled]-ftrapv [disabled]-ftree-bit-ccp [enabled]-ftree-builtin-call-dce [enabled]-ftree-ccp [enabled]-ftree-ch [enabled]-ftree-coalesce-inlined-vars [disabled]-ftree-coalesce-vars [enabled]-ftree-copy-prop [enabled]-ftree-copyrename [enabled]-ftree-cselim [enabled]-ftree-dce [enabled]-ftree-dominator-opts [enabled]-ftree-dse [enabled]-ftree-forwprop [enabled]-ftree-fre [enabled]-ftree-loop-distribute-patterns [enabled]-ftree-loop-distribution [disabled]-ftree-loop-if-convert [enabled]-ftree-loop-if-convert-stores [disabled]-ftree-loop-im [enabled]-ftree-loop-ivcanon [enabled]-ftree-loop-optimize [enabled]-ftree-loop-vectorize [enabled]-ftree-lrs [disabled]-ftree-parallelize-loops= 0x1-ftree-partial-pre [enabled]-ftree-phiprop [enabled]-ftree-pre [enabled]-ftree-pta [enabled]-ftree-reassoc [enabled]-ftree-scev-cprop [enabled]-ftree-sink [enabled]-ftree-slp-vectorize [enabled]-ftree-slsr [enabled]-ftree-sra [enabled]-ftree-switch-conversion [enabled]-ftree-tail-merge [enabled]-ftree-ter [enabled]-ftree-vectorize [disabled]-ftree-vrp [enabled]-funroll-all-loops [disabled]-funroll-loops [disabled]-funsafe-loop-optimizations [disabled]-funsafe-math-optimizations [disabled]-funswitch-loops [enabled]-funwind-tables [disabled]-fvar-tracking [enabled]-fvar-tracking-assignments [enabled]-fvar-tracking-assignments-toggle [disabled]-fvar-tracking-uninit [disabled]-fvariable-expansion-in-unroller [disabled]-fvect-cost-model= dynamic-fvpt [disabled]-fweb [enabled]-fwrapv [disabled]
优化选项-OS
The following options control optimizations:-O<number> -Ofast -Og -Os -faggressive-loop-optimizations [enabled]-falign-functions [enabled]-falign-jumps [enabled]-falign-labels [enabled]-falign-loops [enabled]-fassociative-math [disabled]-fasynchronous-unwind-tables [enabled]-fauto-inc-dec [enabled]-fbranch-count-reg [enabled]-fbranch-probabilities [disabled]-fbranch-target-load-optimize [disabled]-fbranch-target-load-optimize2 [disabled]-fbtr-bb-exclusive [disabled]-fcaller-saves [enabled]-fcombine-stack-adjustments [enabled]-fcompare-elim [enabled]-fconserve-stack [disabled]-fcprop-registers [enabled]-fcrossjumping [enabled]-fcse-follow-jumps [enabled]-fcx-fortran-rules [disabled]-fcx-limited-range [disabled]-fdce [enabled]-fdefer-pop [enabled]-fdelayed-branch [disabled]-fdelete-dead-exceptions [disabled]-fdelete-null-pointer-checks [enabled]-fdevirtualize [enabled]-fdevirtualize-speculatively [enabled]-fdse [enabled]-fearly-inlining [enabled]-fexceptions [disabled]-fexpensive-optimizations [enabled]-ffinite-math-only [disabled]-ffloat-store [disabled]-fforward-propagate [enabled]-ffp-contract= fast-ffunction-cse [enabled]-fgcse [enabled]-fgcse-after-reload [disabled]-fgcse-las [disabled]-fgcse-lm [enabled]-fgcse-sm [disabled]-fgraphite [disabled]-fgraphite-identity [disabled]-fguess-branch-probability [enabled]-fhandle-exceptions -fhoist-adjacent-loads [enabled]-fif-conversion [enabled]-fif-conversion2 [enabled]-findirect-inlining [enabled]-finline [enabled]-finline-atomics [enabled]-finline-functions [enabled]-finline-functions-called-once [enabled]-finline-small-functions [enabled]-fipa-cp [enabled]-fipa-cp-alignment [enabled]-fipa-cp-clone [disabled]-fipa-icf [enabled]-fipa-icf-functions [enabled]-fipa-profile [enabled]-fipa-pta [disabled]-fipa-pure-const [enabled]-fipa-ra [enabled]-fipa-reference [enabled]-fipa-sra [enabled]-fira-algorithm= CB-fira-hoist-pressure [enabled]-fira-loop-pressure [disabled]-fira-region= [default]-fira-share-save-slots [enabled]-fira-share-spill-slots [enabled]-fisolate-erroneous-paths-attribute [disabled]-fisolate-erroneous-paths-dereference [enabled]-fivopts [enabled]-fjump-tables [enabled]-flifetime-dse [enabled]-flive-range-shrinkage [disabled]-floop-block [disabled]-floop-interchange [disabled]-floop-nest-optimize [disabled]-floop-parallelize-all [disabled]-floop-strip-mine [disabled]-floop-unroll-and-jam [disabled]-flra-remat [enabled]-fmath-errno [enabled]-fmodulo-sched [disabled]-fmodulo-sched-allow-regmoves [disabled]-fmove-loop-invariants [enabled]-fnon-call-exceptions [disabled]-fnothrow-opt [disabled]-fomit-frame-pointer [disabled]-fopt-info [disabled]-foptimize-sibling-calls [enabled]-foptimize-strlen [disabled]-fpack-struct [disabled]-fpack-struct=<number> -fpartial-inlining [enabled]-fpeel-loops [disabled]-fpeephole [enabled]-fpeephole2 [enabled]-fpredictive-commoning [disabled]-fprefetch-loop-arrays [enabled]-freciprocal-math [disabled]-freg-struct-return [disabled]-frename-registers [enabled]-freorder-blocks [enabled]-freorder-blocks-and-partition [enabled]-freorder-functions [enabled]-frerun-cse-after-loop [enabled]-freschedule-modulo-scheduled-loops [disabled]-frounding-math [disabled]-frtti [enabled]-fsched-critical-path-heuristic [enabled]-fsched-dep-count-heuristic [enabled]-fsched-group-heuristic [enabled]-fsched-interblock [enabled]-fsched-last-insn-heuristic [enabled]-fsched-pressure [disabled]-fsched-rank-heuristic [enabled]-fsched-spec [enabled]-fsched-spec-insn-heuristic [enabled]-fsched-spec-load [disabled]-fsched-spec-load-dangerous [disabled]-fsched-stalled-insns [disabled]-fsched-stalled-insns-dep [enabled]-fsched-stalled-insns-dep=<number> -fsched-stalled-insns=<number> -fsched2-use-superblocks [disabled]-fschedule-fusion [enabled]-fschedule-insns [disabled]-fschedule-insns2 [enabled]-fsection-anchors [disabled]-fsel-sched-pipelining [disabled]-fsel-sched-pipelining-outer-loops [disabled]-fsel-sched-reschedule-pipelined [disabled]-fselective-scheduling [disabled]-fselective-scheduling2 [disabled]-fshort-double [disabled]-fshort-enums [enabled]-fshort-wchar [disabled]-fshrink-wrap [enabled]-fsignaling-nans [disabled]-fsigned-zeros [enabled]-fsimd-cost-model= unlimited-fsingle-precision-constant [disabled]-fsplit-ivs-in-unroller [enabled]-fsplit-wide-types [enabled]-fssa-phiopt [enabled]-fstack-reuse= all-fstdarg-opt [enabled]-fstrict-aliasing [enabled]-fstrict-enums [disabled]-fstrict-overflow [enabled]-fstrict-volatile-bitfields [enabled]-fthread-jumps [enabled]-fno-threadsafe-statics [enabled]-ftracer [disabled]-ftrapping-math [enabled]-ftrapv [disabled]-ftree-bit-ccp [enabled]-ftree-builtin-call-dce [enabled]-ftree-ccp [enabled]-ftree-ch [enabled]-ftree-coalesce-inlined-vars [disabled]-ftree-coalesce-vars [enabled]-ftree-copy-prop [enabled]-ftree-copyrename [enabled]-ftree-cselim [enabled]-ftree-dce [enabled]-ftree-dominator-opts [enabled]-ftree-dse [enabled]-ftree-forwprop [enabled]-ftree-fre [enabled]-ftree-loop-distribute-patterns [disabled]-ftree-loop-distribution [disabled]-ftree-loop-if-convert [enabled]-ftree-loop-if-convert-stores [disabled]-ftree-loop-im [enabled]-ftree-loop-ivcanon [enabled]-ftree-loop-optimize [enabled]-ftree-loop-vectorize [disabled]-ftree-lrs [disabled]-ftree-parallelize-loops= 0x1-ftree-partial-pre [disabled]-ftree-phiprop [enabled]-ftree-pre [enabled]-ftree-pta [enabled]-ftree-reassoc [enabled]-ftree-scev-cprop [enabled]-ftree-sink [enabled]-ftree-slp-vectorize [disabled]-ftree-slsr [enabled]-ftree-sra [enabled]-ftree-switch-conversion [enabled]-ftree-tail-merge [enabled]-ftree-ter [enabled]-ftree-vectorize [disabled]-ftree-vrp [enabled]-funroll-all-loops [disabled]-funroll-loops [disabled]-funsafe-loop-optimizations [disabled]-funsafe-math-optimizations [disabled]-funswitch-loops [disabled]-funwind-tables [disabled]-fvar-tracking [enabled]-fvar-tracking-assignments [enabled]-fvar-tracking-assignments-toggle [disabled]-fvar-tracking-uninit [disabled]-fvariable-expansion-in-unroller [disabled]-fvect-cost-model= cheap-fvpt [disabled]-fweb [enabled]-fwrapv [disabled]
支持CPU类型target
The following options are target specific:-m128bit-long-double [disabled]-m16 [disabled]-m32 [disabled]-m3dnow [disabled]-m64 [enabled]-m80387 [enabled]-m8bit-idiv [disabled]-m96bit-long-double [enabled]-mabi= sysv-mabm [disabled]-maccumulate-outgoing-args [disabled]-maddress-mode= short-madx [disabled]-maes [disabled]-malign-data= compat-malign-double [disabled]-malign-functions= 0-malign-jumps= 0-malign-loops= 0-malign-stringops [enabled]-mandroid [disabled]-march= x86-64-masm= att-mavx [disabled]-mavx2 [disabled]-mavx256-split-unaligned-load [disabled]-mavx256-split-unaligned-store [disabled]-mavx512bw [disabled]-mavx512cd [disabled]-mavx512dq [disabled]-mavx512er [disabled]-mavx512f [disabled]-mavx512ifma [disabled]-mavx512pf [disabled]-mavx512vbmi [disabled]-mavx512vl [disabled]-mbionic [disabled]-mbmi [disabled]-mbmi2 [disabled]-mbranch-cost= 0-mcld [disabled]-mclflushopt [disabled]-mclwb [disabled]-mcmodel= 32-mcrc32 [disabled]-mcx16 [disabled]-mdispatch-scheduler [disabled]-mf16c [disabled]-mfancy-math-387 [enabled]-mfentry [enabled]-mfma [disabled]-mfma4 [disabled]-mforce-drap [disabled]-mfp-ret-in-387 [enabled]-mfpmath= 387-mfsgsbase [disabled]-mfunction-return= keep-mfxsr [disabled]-mglibc [enabled]-mhard-float [enabled]-mhle [disabled]-mieee-fp [enabled]-mincoming-stack-boundary= 0-mindirect-branch-register [disabled]-mindirect-branch= keep-minline-all-stringops [disabled]-minline-stringops-dynamically [disabled]-mlarge-data-threshold= 0x10000-mlong-double-128 [disabled]-mlong-double-64 [disabled]-mlong-double-80 [enabled]-mlwp [disabled]-mlzcnt [disabled]-mmemcpy-strategy= -mmemset-strategy= -mmmx [disabled]-mmovbe [disabled]-mmpx [disabled]-mms-bitfields [disabled]-mmwaitx [disabled]-mno-default [disabled]-mno-sse4 [enabled]-mnop-mcount [disabled]-momit-leaf-frame-pointer [disabled]-mpc32 [disabled]-mpc64 [disabled]-mpc80 [disabled]-mpclmul [disabled]-mpopcnt [disabled]-mprefer-avx128 [disabled]-mpreferred-stack-boundary= 0-mprefetchwt1 [disabled]-mprfchw [disabled]-mpush-args [enabled]-mrdrnd [disabled]-mrdseed [disabled]-mrecip [disabled]-mrecip= -mrecord-mcount [disabled]-mred-zone [enabled]-mregparm= 0-mrtd [disabled]-mrtm [disabled]-msahf [disabled]-msha [disabled]-mskip-rax-setup [disabled]-msoft-float [disabled]-msse [disabled]-msse2 [disabled]-msse2avx [disabled]-msse3 [disabled]-msse4 [disabled]-msse4.1 [disabled]-msse4.2 [disabled]-msse4a [disabled]-msseregparm [disabled]-mssse3 [disabled]-mstack-arg-probe [disabled]-mstack-protector-guard= tls-mstackrealign [enabled]-mstringop-strategy= [default]-mtbm [disabled]-mtls-dialect= gnu-mtls-direct-seg-refs [enabled]-mtune-ctrl= -mtune= generic-muclibc [disabled]-mveclibabi= [default]-mvect8-ret-in-mem [disabled]-mvzeroupper [disabled]-mx32 [disabled]-mxop [disabled]-mxsave [disabled]-mxsavec [disabled]-mxsaveopt [disabled]-mxsaves [disabled]Known assembler dialects (for use with the -masm-dialect= option):att intelKnown ABIs (for use with the -mabi= option):ms sysvKnown code models (for use with the -mcmodel= option):32 kernel large medium smallValid arguments to -mfpmath=:387 387+sse 387,sse both sse sse+387 sse,387Known indirect branch choices (for use with the -mindirect-branch=/-mfunction-return= options):keep thunk thunk-extern thunk-inlineKnown data alignment choices (for use with the -malign-data= option):abi cacheline compatKnown vectorization library ABIs (for use with the -mveclibabi= option):acml svmlKnown address mode (for use with the -maddress-mode= option):long shortKnown stack protector guard (for use with the -mstack-protector-guard= option):global tlsValid arguments to -mstringop-strategy=:byte_loop libcall loop rep_4byte rep_8byte rep_byte unrolled_loopvector_loopKnown TLS dialects (for use with the -mtls-dialect= option):gnu gnu2Assembler options
=================Use "-Wa,OPTION" to pass "OPTION" to the assembler.-Q ignored-V print assembler version number-k ignored-n Do not optimize code alignment-q quieten some warnings-s ignored--32/--64/--x32 generate 32bit/64bit/x32 code--divide ignored-march=CPU[,+EXTENSION...]generate code for CPU and EXTENSION, CPU is one of:generic32, generic64, i386, i486, i586, i686,pentium, pentiumpro, pentiumii, pentiumiii, pentium4,prescott, nocona, core, core2, corei7, l1om, k1om,iamcu, k6, k6_2, athlon, opteron, k8, amdfam10,bdver1, bdver2, bdver3, bdver4, znver1, btver1,btver2EXTENSION is combination of:8087, 287, 387, no87, mmx, nommx, sse, sse2, sse3,ssse3, sse4.1, sse4.2, sse4, nosse, avx, avx2,avx512f, avx512cd, avx512er, avx512pf, avx512dq,avx512bw, avx512vl, noavx, vmx, vmfunc, smx, xsave,xsaveopt, xsavec, xsaves, aes, pclmul, fsgsbase,rdrnd, f16c, bmi2, fma, fma4, xop, lwp, movbe, cx16,ept, lzcnt, hle, rtm, invpcid, clflush, nop, syscall,rdtscp, 3dnow, 3dnowa, padlock, svme, sse4a, abm,bmi, tbm, adx, rdseed, prfchw, smap, mpx, sha,clflushopt, prefetchwt1, se1, clwb, pcommit,avx512ifma, avx512vbmi, clzero, mwaitx, ospke-mtune=CPU optimize for CPU, CPU is one of:generic32, generic64, i8086, i186, i286, i386, i486,i586, i686, pentium, pentiumpro, pentiumii,pentiumiii, pentium4, prescott, nocona, core, core2,corei7, l1om, k1om, iamcu, k6, k6_2, athlon, opteron,k8, amdfam10, bdver1, bdver2, bdver3, bdver4, znver1,btver1, btver2-msse2avx encode SSE instructions with VEX prefix-msse-check=[none|error|warning]check SSE instructions-moperand-check=[none|error|warning]check operand combinations for validity-mavxscalar=[128|256] encode scalar AVX instructions with specific vectorlength-mevexlig=[128|256|512] encode scalar EVEX instructions with specific vectorlength-mevexwig=[0|1] encode EVEX instructions with specific EVEX.W valuefor EVEX.W bit ignored instructions-mevexrcig=[rne|rd|ru|rz]encode EVEX instructions with specific EVEX.RC valuefor SAE-only ignored instructions-mmnemonic=[att|intel] use AT&T/Intel mnemonic-msyntax=[att|intel] use AT&T/Intel syntax-mindex-reg support pseudo index registers-mnaked-reg don't require `%' prefix for registers-mold-gcc support old (<= 2.8.1) versions of gcc-madd-bnd-prefix add BND prefix for all valid branches-mshared disable branch optimization for shared code-momit-lock-prefix=[no|yes]strip all lock prefixes-mrelax-relocations=[no|yes]generate relax relocations-mamd64 accept only AMD64 ISA-mintel64 accept only Intel64 ISALinker options
==============Use "-Wl,OPTION" to pass "OPTION" to the linker.elf_x86_64: -z noextern-protected-data Do not treat protected data symbol as external-z call-nop=PADDING Use PADDING as 1-byte NOP for branch-z bndplt Always generate BND prefix in PLT entries
elf32_x86_64: -z noextern-protected-data Do not treat protected data symbol as external-z call-nop=PADDING Use PADDING as 1-byte NOP for branch
elf_i386: -z noextern-protected-data Do not treat protected data symbol as external-z call-nop=PADDING Use PADDING as 1-byte NOP for branch
elf_iamcu: -z noextern-protected-data Do not treat protected data symbol as external-z call-nop=PADDING Use PADDING as 1-byte NOP for branch
elf_l1om: -z noextern-protected-data Do not treat protected data symbol as external-z call-nop=PADDING Use PADDING as 1-byte NOP for branch
elf_k1om: -z noextern-protected-data Do not treat protected data symbol as external-z call-nop=PADDING Use PADDING as 1-byte NOP for branch
i386pep: --base_file <basefile> Generate a base file for relocatable DLLs--dll Set image base to the default for DLLs--file-alignment <size> Set file alignment--heap <size> Set initial size of the heap--image-base <address> Set start address of the executable--major-image-version <number> Set version number of the executable--major-os-version <number> Set minimum required OS version--major-subsystem-version <number> Set minimum required OS subsystem version--minor-image-version <number> Set revision number of the executable--minor-os-version <number> Set minimum required OS revision--minor-subsystem-version <number> Set minimum required OS subsystem revision--section-alignment <size> Set section alignment--stack <size> Set size of the initial stack--subsystem <name>[:<version>] Set required OS subsystem [& version]--support-old-code Support interworking with old code--[no-]leading-underscore Set explicit symbol underscore prefix mode--[no-]insert-timestamp Use a real timestamp rather than zero. (default)This makes binaries non-deterministic--add-stdcall-alias Export symbols with and without @nn--disable-stdcall-fixup Don't link _sym to _sym@nn--enable-stdcall-fixup Link _sym to _sym@nn without warnings--exclude-symbols sym,sym,... Exclude symbols from automatic export--exclude-all-symbols Exclude all symbols from automatic export--exclude-libs lib,lib,... Exclude libraries from automatic export--exclude-modules-for-implib mod,mod,...Exclude objects, archive members from autoexport, place into import library instead.--export-all-symbols Automatically export all globals to DLL--kill-at Remove @nn from exported symbols--out-implib <file> Generate import library--output-def <file> Generate a .DEF file for the built DLL--warn-duplicate-exports Warn about duplicate exports.--compat-implib Create backward compatible import libs;create __imp_<SYMBOL> as well.--enable-auto-image-base Automatically choose image base for DLLsunless user specifies one--disable-auto-image-base Do not auto-choose image base. (default)--dll-search-prefix=<string> When linking dynamically to a dll withoutan importlib, use <string><basename>.dllin preference to lib<basename>.dll --enable-auto-import Do sophisticated linking of _sym to__imp_sym for DATA references--disable-auto-import Do not auto-import DATA items from DLLs--enable-runtime-pseudo-reloc Work around auto-import limitations byadding pseudo-relocations resolved atruntime.--disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations forauto-imported DATA.--enable-extra-pep-debug Enable verbose debug output when buildingor linking to DLLs (esp. auto-import)--enable-long-section-names Use long COFF section names even inexecutable image files--disable-long-section-names Never use long COFF section names, evenin object files--high-entropy-va Image is compatible with 64-bit address spacelayout randomization (ASLR)--dynamicbase Image base address may be relocated usingaddress space layout randomization (ASLR)--forceinteg Code integrity checks are enforced--nxcompat Image is compatible with data execution prevention--no-isolation Image understands isolation but do not isolate the image--no-seh Image does not use SEH. No SE handler maybe called in this image--no-bind Do not bind this image--wdmdriver Driver uses the WDM model--tsaware Image is Terminal Server aware--build-id[=STYLE] Generate build ID
i386pe: --base_file <basefile> Generate a base file for relocatable DLLs--dll Set image base to the default for DLLs--file-alignment <size> Set file alignment--heap <size> Set initial size of the heap--image-base <address> Set start address of the executable--major-image-version <number> Set version number of the executable--major-os-version <number> Set minimum required OS version--major-subsystem-version <number> Set minimum required OS subsystem version--minor-image-version <number> Set revision number of the executable--minor-os-version <number> Set minimum required OS revision--minor-subsystem-version <number> Set minimum required OS subsystem revision--section-alignment <size> Set section alignment--stack <size> Set size of the initial stack--subsystem <name>[:<version>] Set required OS subsystem [& version]--support-old-code Support interworking with old code--[no-]leading-underscore Set explicit symbol underscore prefix mode--thumb-entry=<symbol> Set the entry point to be Thumb <symbol>--[no-]insert-timestamp Use a real timestamp rather than zero (default).This makes binaries non-deterministic--add-stdcall-alias Export symbols with and without @nn--disable-stdcall-fixup Don't link _sym to _sym@nn--enable-stdcall-fixup Link _sym to _sym@nn without warnings--exclude-symbols sym,sym,... Exclude symbols from automatic export--exclude-all-symbols Exclude all symbols from automatic export--exclude-libs lib,lib,... Exclude libraries from automatic export--exclude-modules-for-implib mod,mod,...Exclude objects, archive members from autoexport, place into import library instead.--export-all-symbols Automatically export all globals to DLL--kill-at Remove @nn from exported symbols--out-implib <file> Generate import library--output-def <file> Generate a .DEF file for the built DLL--warn-duplicate-exports Warn about duplicate exports--compat-implib Create backward compatible import libs;create __imp_<SYMBOL> as well.--enable-auto-image-base[=<address>] Automatically choose image base for DLLs(optionally starting with address) unlessspecifically set with --image-base--disable-auto-image-base Do not auto-choose image base. (default)--dll-search-prefix=<string> When linking dynamically to a dll withoutan importlib, use <string><basename>.dllin preference to lib<basename>.dll --enable-auto-import Do sophisticated linking of _sym to__imp_sym for DATA references--disable-auto-import Do not auto-import DATA items from DLLs--enable-runtime-pseudo-reloc Work around auto-import limitations byadding pseudo-relocations resolved atruntime.--disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations forauto-imported DATA.--enable-extra-pe-debug Enable verbose debug output when buildingor linking to DLLs (esp. auto-import)--large-address-aware Executable supports virtual addressesgreater than 2 gigabytes--disable-large-address-aware Executable does not support virtualaddresses greater than 2 gigabytes--enable-long-section-names Use long COFF section names even inexecutable image files--disable-long-section-names Never use long COFF section names, evenin object files--dynamicbase Image base address may be relocated usingaddress space layout randomization (ASLR)--forceinteg Code integrity checks are enforced--nxcompat Image is compatible with data execution prevention--no-isolation Image understands isolation but do not isolate the image--no-seh Image does not use SEH. No SE handler maybe called in this image--no-bind Do not bind this image--wdmdriver Driver uses the WDM model--tsaware Image is Terminal Server aware--build-id[=STYLE] Generate build ID#linux# gcc编译器优化选项的详细信息相关推荐
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