|
| 1 | +The following options control optimizations: |
| 2 | + -O<number> |
| 3 | + -Ofast |
| 4 | + -Og |
| 5 | + -Os |
| 6 | + -Oz |
| 7 | + -faggressive-loop-optimizations [enabled] |
| 8 | + -falign-functions [disabled] |
| 9 | + -falign-functions= |
| 10 | + -falign-jumps [disabled] |
| 11 | + -falign-jumps= |
| 12 | + -falign-labels [disabled] |
| 13 | + -falign-labels= |
| 14 | + -falign-loops [disabled] |
| 15 | + -falign-loops= |
| 16 | + -fallocation-dce [enabled] |
| 17 | + -fallow-store-data-races [disabled] |
| 18 | + -fassociative-math [disabled] |
| 19 | + -fasynchronous-unwind-tables [enabled] |
| 20 | + -fauto-inc-dec [enabled] |
| 21 | + -fbit-tests [enabled] |
| 22 | + -fbranch-count-reg [disabled] |
| 23 | + -fbranch-probabilities [disabled] |
| 24 | + -fcaller-saves [disabled] |
| 25 | + -fcode-hoisting [disabled] |
| 26 | + -fcombine-stack-adjustments [disabled] |
| 27 | + -fcompare-elim [disabled] |
| 28 | + -fconserve-stack [disabled] |
| 29 | + -fcprop-registers [disabled] |
| 30 | + -fcrossjumping [disabled] |
| 31 | + -fcse-follow-jumps [disabled] |
| 32 | + -fcx-fortran-rules [disabled] |
| 33 | + -fcx-limited-range [disabled] |
| 34 | + -fdce [enabled] |
| 35 | + -fdefer-pop [disabled] |
| 36 | + -fdelayed-branch [disabled] |
| 37 | + -fdelete-dead-exceptions [disabled] |
| 38 | + -fdelete-null-pointer-checks |
| 39 | + -fdevirtualize [disabled] |
| 40 | + -fdevirtualize-speculatively [disabled] |
| 41 | + -fdse [disabled] |
| 42 | + -fearly-inlining [enabled] |
| 43 | + -fexceptions [disabled] |
| 44 | + -fexcess-precision=[fast|standard|16] [default] |
| 45 | + -fexpensive-optimizations [disabled] |
| 46 | + -ffast-math |
| 47 | + -ffinite-loops [disabled] |
| 48 | + -ffinite-math-only [disabled] |
| 49 | + -ffloat-store [disabled] |
| 50 | + -ffold-simple-inlines [available in C++, ObjC++] |
| 51 | + -fforward-propagate [disabled] |
| 52 | + -ffp-contract=[off|on|fast] fast |
| 53 | + -ffp-int-builtin-inexact [enabled] |
| 54 | + -ffunction-cse [enabled] |
| 55 | + -fgcse [disabled] |
| 56 | + -fgcse-after-reload [disabled] |
| 57 | + -fgcse-las [disabled] |
| 58 | + -fgcse-lm [enabled] |
| 59 | + -fgcse-sm [disabled] |
| 60 | + -fgraphite [disabled] |
| 61 | + -fgraphite-identity [disabled] |
| 62 | + -fguess-branch-probability [disabled] |
| 63 | + -fhandle-exceptions -fexceptions |
| 64 | + -fharden-compares [disabled] |
| 65 | + -fharden-conditional-branches [disabled] |
| 66 | + -fhoist-adjacent-loads [disabled] |
| 67 | + -fif-conversion [disabled] |
| 68 | + -fif-conversion2 [disabled] |
| 69 | + -findirect-inlining [disabled] |
| 70 | + -finline [disabled] |
| 71 | + -finline-atomics [enabled] |
| 72 | + -finline-functions [disabled] |
| 73 | + -finline-functions-called-once [disabled] |
| 74 | + -finline-small-functions [disabled] |
| 75 | + -fipa-bit-cp [disabled] |
| 76 | + -fipa-cp [disabled] |
| 77 | + -fipa-cp-clone [disabled] |
| 78 | + -fipa-icf [disabled] |
| 79 | + -fipa-icf-functions [disabled] |
| 80 | + -fipa-icf-variables [disabled] |
| 81 | + -fipa-modref [disabled] |
| 82 | + -fipa-profile [disabled] |
| 83 | + -fipa-pta [disabled] |
| 84 | + -fipa-pure-const [disabled] |
| 85 | + -fipa-ra [disabled] |
| 86 | + -fipa-reference [disabled] |
| 87 | + -fipa-reference-addressable [disabled] |
| 88 | + -fipa-sra [disabled] |
| 89 | + -fipa-stack-alignment [enabled] |
| 90 | + -fipa-strict-aliasing [enabled] |
| 91 | + -fipa-vrp [disabled] |
| 92 | + -fira-algorithm=[CB|priority] CB |
| 93 | + -fira-hoist-pressure [enabled] |
| 94 | + -fira-loop-pressure [disabled] |
| 95 | + -fira-region=[one|all|mixed] one |
| 96 | + -fira-share-save-slots [enabled] |
| 97 | + -fira-share-spill-slots [enabled] |
| 98 | + -fisolate-erroneous-paths-attribute [disabled] |
| 99 | + -fisolate-erroneous-paths-dereference [disabled] |
| 100 | + -fivopts [enabled] |
| 101 | + -fjump-tables [enabled] |
| 102 | + -fkeep-gc-roots-live [disabled] |
| 103 | + -flifetime-dse [enabled] |
| 104 | + -flifetime-dse=<0,2> 2 |
| 105 | + -flimit-function-alignment [disabled] |
| 106 | + -flive-patching -flive-patching=inline-clone |
| 107 | + -flive-patching=[inline-only-static|inline-clone] [default] |
| 108 | + -flive-range-shrinkage [disabled] |
| 109 | + -floop-interchange [disabled] |
| 110 | + -floop-nest-optimize [disabled] |
| 111 | + -floop-parallelize-all [disabled] |
| 112 | + -floop-unroll-and-jam [disabled] |
| 113 | + -flra-remat [disabled] |
| 114 | + -fmath-errno [enabled] |
| 115 | + -fmodulo-sched [disabled] |
| 116 | + -fmodulo-sched-allow-regmoves [disabled] |
| 117 | + -fmove-loop-invariants [disabled] |
| 118 | + -fmove-loop-stores [disabled] |
| 119 | + -fnon-call-exceptions [disabled] |
| 120 | + -fnothrow-opt [available in C++, ObjC++] |
| 121 | + -fomit-frame-pointer [disabled] |
| 122 | + -fopt-info [disabled] |
| 123 | + -foptimize-sibling-calls [disabled] |
| 124 | + -foptimize-strlen [disabled] |
| 125 | + -fpack-struct [disabled] |
| 126 | + -fpack-struct=<number> |
| 127 | + -fpartial-inlining [disabled] |
| 128 | + -fpatchable-function-entry= |
| 129 | + -fpeel-loops [disabled] |
| 130 | + -fpeephole [enabled] |
| 131 | + -fpeephole2 [disabled] |
| 132 | + -fplt [enabled] |
| 133 | + -fpredictive-commoning [disabled] |
| 134 | + -fprefetch-loop-arrays |
| 135 | + -fprintf-return-value [enabled] |
| 136 | + -fprofile-partial-training [disabled] |
| 137 | + -fprofile-reorder-functions [disabled] |
| 138 | + -freciprocal-math [disabled] |
| 139 | + -free [disabled] |
| 140 | + -freg-struct-return [enabled] |
| 141 | + -frename-registers [disabled] |
| 142 | + -freorder-blocks [disabled] |
| 143 | + -freorder-blocks-algorithm=[simple|stc] simple |
| 144 | + -freorder-blocks-and-partition [disabled] |
| 145 | + -freorder-functions [disabled] |
| 146 | + -frerun-cse-after-loop [disabled] |
| 147 | + -freschedule-modulo-scheduled-loops [disabled] |
| 148 | + -frounding-math [disabled] |
| 149 | + -frtti [available in C++, D, ObjC++] |
| 150 | + -fsave-optimization-record [disabled] |
| 151 | + -fsched-critical-path-heuristic [enabled] |
| 152 | + -fsched-dep-count-heuristic [enabled] |
| 153 | + -fsched-group-heuristic [enabled] |
| 154 | + -fsched-interblock [enabled] |
| 155 | + -fsched-last-insn-heuristic [enabled] |
| 156 | + -fsched-pressure [disabled] |
| 157 | + -fsched-rank-heuristic [enabled] |
| 158 | + -fsched-spec [enabled] |
| 159 | + -fsched-spec-insn-heuristic [enabled] |
| 160 | + -fsched-spec-load [disabled] |
| 161 | + -fsched-spec-load-dangerous [disabled] |
| 162 | + -fsched-stalled-insns [disabled] |
| 163 | + -fsched-stalled-insns-dep [enabled] |
| 164 | + -fsched-stalled-insns-dep=<number> |
| 165 | + -fsched-stalled-insns=<number> |
| 166 | + -fsched2-use-superblocks [disabled] |
| 167 | + -fschedule-fusion [enabled] |
| 168 | + -fschedule-insns [disabled] |
| 169 | + -fschedule-insns2 [disabled] |
| 170 | + -fsection-anchors [disabled] |
| 171 | + -fsel-sched-pipelining [disabled] |
| 172 | + -fsel-sched-pipelining-outer-loops [disabled] |
| 173 | + -fsel-sched-reschedule-pipelined [disabled] |
| 174 | + -fselective-scheduling [disabled] |
| 175 | + -fselective-scheduling2 [disabled] |
| 176 | + -fsemantic-interposition [enabled] |
| 177 | + -fshort-enums [enabled] |
| 178 | + -fshort-wchar [disabled] |
| 179 | + -fshrink-wrap [disabled] |
| 180 | + -fshrink-wrap-separate [enabled] |
| 181 | + -fsignaling-nans [disabled] |
| 182 | + -fsigned-zeros [enabled] |
| 183 | + -fsimd-cost-model=[unlimited|dynamic|cheap|very-cheap] unlimited |
| 184 | + -fsingle-precision-constant [disabled] |
| 185 | + -fsplit-ivs-in-unroller [enabled] |
| 186 | + -fsplit-loops [disabled] |
| 187 | + -fsplit-paths [disabled] |
| 188 | + -fsplit-wide-types [disabled] |
| 189 | + -fsplit-wide-types-early [disabled] |
| 190 | + -fssa-backprop [enabled] |
| 191 | + -fssa-phiopt [disabled] |
| 192 | + -fstack-check=[no|generic|specific] |
| 193 | + -fstack-clash-protection [disabled] |
| 194 | + -fstack-protector [disabled] |
| 195 | + -fstack-protector-all [disabled] |
| 196 | + -fstack-protector-explicit [disabled] |
| 197 | + -fstack-protector-strong [disabled] |
| 198 | + -fstack-reuse=[all|named_vars|none] all |
| 199 | + -fstdarg-opt [enabled] |
| 200 | + -fstore-merging [disabled] |
| 201 | + -fstrict-aliasing [disabled] |
| 202 | + -fstrict-enums [available in C++, ObjC++] |
| 203 | + -fstrict-volatile-bitfields |
| 204 | + -fthread-jumps [disabled] |
| 205 | + -fno-threadsafe-statics [available in C++, ObjC++] |
| 206 | + -ftoplevel-reorder [disabled] |
| 207 | + -ftracer [disabled] |
| 208 | + -ftrapping-math [enabled] |
| 209 | + -ftrapv [disabled] |
| 210 | + -ftree-bit-ccp [disabled] |
| 211 | + -ftree-builtin-call-dce [disabled] |
| 212 | + -ftree-ccp [disabled] |
| 213 | + -ftree-ch [disabled] |
| 214 | + -ftree-coalesce-vars [disabled] |
| 215 | + -ftree-copy-prop [disabled] |
| 216 | + -ftree-cselim [disabled] |
| 217 | + -ftree-dce [disabled] |
| 218 | + -ftree-dominator-opts [disabled] |
| 219 | + -ftree-dse [disabled] |
| 220 | + -ftree-forwprop [enabled] |
| 221 | + -ftree-fre [disabled] |
| 222 | + -ftree-loop-distribute-patterns [disabled] |
| 223 | + -ftree-loop-distribution [disabled] |
| 224 | + -ftree-loop-if-convert |
| 225 | + -ftree-loop-im [enabled] |
| 226 | + -ftree-loop-ivcanon [enabled] |
| 227 | + -ftree-loop-optimize [enabled] |
| 228 | + -ftree-loop-vectorize [disabled] |
| 229 | + -ftree-lrs [disabled] |
| 230 | + -ftree-parallelize-loops=<number> 1 |
| 231 | + -ftree-partial-pre [disabled] |
| 232 | + -ftree-phiprop [enabled] |
| 233 | + -ftree-pre [disabled] |
| 234 | + -ftree-pta [disabled] |
| 235 | + -ftree-reassoc [enabled] |
| 236 | + -ftree-scev-cprop [enabled] |
| 237 | + -ftree-sink [disabled] |
| 238 | + -ftree-slp-vectorize [disabled] |
| 239 | + -ftree-slsr [disabled] |
| 240 | + -ftree-sra [disabled] |
| 241 | + -ftree-switch-conversion [disabled] |
| 242 | + -ftree-tail-merge [disabled] |
| 243 | + -ftree-ter [disabled] |
| 244 | + -ftree-vectorize [disabled] |
| 245 | + -ftree-vrp [disabled] |
| 246 | + -ftrivial-auto-var-init=[uninitialized|pattern|zero] uninitialized |
| 247 | + -funconstrained-commons [disabled] |
| 248 | + -funroll-all-loops [disabled] |
| 249 | + -funroll-completely-grow-size [disabled] |
| 250 | + -funroll-loops [disabled] |
| 251 | + -funsafe-math-optimizations [disabled] |
| 252 | + -funswitch-loops [disabled] |
| 253 | + -funwind-tables [enabled] |
| 254 | + -fvar-tracking [disabled] |
| 255 | + -fvar-tracking-assignments [disabled] |
| 256 | + -fvar-tracking-assignments-toggle [disabled] |
| 257 | + -fvar-tracking-uninit [disabled] |
| 258 | + -fvariable-expansion-in-unroller [disabled] |
| 259 | + -fvect-cost-model=[unlimited|dynamic|cheap|very-cheap] [default] |
| 260 | + -fversion-loops-for-strides [disabled] |
| 261 | + -fvpt [disabled] |
| 262 | + -fweb [disabled] |
| 263 | + -fwrapv [disabled] |
| 264 | + -fwrapv-pointer [disabled] |
| 265 | + -gstatement-frontiers [disabled] |
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