Attachment 516750 Details for Bug 644966 – `gcc -Q -O2 --help=optimizers --help=target` of Pistos

`gcc -Q -O2 --help=optimizers --help=target` of Pistos

pistos-chromium-gcc-q.txt (text/plain), 16.06 KB, created by Pistos on 2018-01-26 03:52:45 UTC

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Creator: Pistos

Created: 2018-01-26 03:52:45 UTC

Size: 16.06 KB

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obsolete

>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]
>  -fkeep-gc-roots-live        		[disabled]
>  -flifetime-dse              		[enabled]
>  -flifetime-dse=             		0x2
>  -flive-range-shrinkage      		[disabled]
>  -floop-nest-optimize        		[disabled]
>  -floop-parallelize-all      		[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]
>  -fplt                       		[enabled]
>  -fpredictive-commoning      		[disabled]
>  -fprefetch-loop-arrays      		[enabled]
>  -freciprocal-math           		[disabled]
>  -freg-struct-return         		[disabled]
>  -frename-registers          		[enabled]
>  -freorder-blocks            		[enabled]
>  -freorder-blocks-algorithm= 		stc
>  -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-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-paths               		[disabled]
>  -fsplit-wide-types          		[enabled]
>  -fssa-backprop              		[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-vars        		[enabled]
>  -ftree-copy-prop            		[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]
>  -funconstrained-commons     		[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=          		cheap
>  -fvpt                       		[disabled]
>  -fweb                       		[enabled]
>  -fwrapv                     		[disabled]
>
>The following options are target specific:
>  -m128bit-long-double        		[disabled]
>  -m16                        		[disabled]
>  -m32                        		[disabled]
>  -m3dnow                     		[disabled]
>  -m3dnowa                    		[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]
>  -mclzero                    		[disabled]
>  -mcmodel=                   		32
>  -mcpu=                      		
>  -mcrc32                     		[disabled]
>  -mcx16                      		[disabled]
>  -mdispatch-scheduler        		[disabled]
>  -mdump-tune-features        		[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]
>  -mfused-madd                		
>  -mfxsr                      		[disabled]
>  -mglibc                     		[enabled]
>  -mhard-float                		[enabled]
>  -mhle                       		[disabled]
>  -miamcu                     		[disabled]
>  -mieee-fp                   		[enabled]
>  -mincoming-stack-boundary=  		0
>  -minline-all-stringops      		[disabled]
>  -minline-stringops-dynamically 	[disabled]
>  -mintel-syntax              		
>  -mlarge-data-threshold=     		0x10000
>  -mlong-double-128           		[disabled]
>  -mlong-double-64            		[disabled]
>  -mlong-double-80            		[enabled]
>  -mlwp                       		[disabled]
>  -mlzcnt                     		[disabled]
>  -mmemcpy-strategy=          		
>  -mmemset-strategy=          		
>  -mmitigate-rop              		[disabled]
>  -mmmx                       		[disabled]
>  -mmovbe                     		[disabled]
>  -mmpx                       		[disabled]
>  -mms-bitfields              		[disabled]
>  -mmusl                      		[disabled]
>  -mmwaitx                    		[disabled]
>  -mno-align-stringops        		[disabled]
>  -mno-default                		[disabled]
>  -mno-fancy-math-387         		[disabled]
>  -mno-push-args              		[disabled]
>  -mno-red-zone               		[disabled]
>  -mno-sse4                   		[enabled]
>  -mnop-mcount                		[disabled]
>  -momit-leaf-frame-pointer   		[disabled]
>  -mpc32                      		[disabled]
>  -mpc64                      		[disabled]
>  -mpc80                      		[disabled]
>  -mpclmul                    		[disabled]
>  -mpcommit                   		[disabled]
>  -mpku                       		[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]
>  -msse5                      		
>  -msseregparm                		[disabled]
>  -mssse3                     		[disabled]
>  -mstack-arg-probe           		[disabled]
>  -mstack-protector-guard=    		tls
>  -mstackrealign              		[enabled]
>  -mstringop-strategy=        		[default]
>  -mstv                       		[disabled]
>  -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 intel
>
>  Known ABIs (for use with the -mabi= option):
>    ms sysv
>
>  Known code models (for use with the -mcmodel= option):
>    32 kernel large medium small
>
>  Valid arguments to -mfpmath=:
>    387 387+sse 387,sse both sse sse+387 sse,387
>
>  Known data alignment choices (for use with the -malign-data= option):
>    abi cacheline compat
>
>  Known vectorization library ABIs (for use with the -mveclibabi= option):
>    acml svml
>
>  Known address mode (for use with the -maddress-mode= option):
>    long short
>
>  Known stack protector guard (for use with the -mstack-protector-guard= option):
>    global tls
>
>  Valid arguments to -mstringop-strategy=:
>    byte_loop libcall loop rep_4byte rep_8byte rep_byte unrolled_loop vector_loop
>
>  Known TLS dialects (for use with the -mtls-dialect= option):
>    gnu gnu2
>

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Attachments on bug 644966: 515266 | 515268 | 515270 | 516744 | 516746 | 516748 | 516750