The following options control optimizations:
  -O<number>                  		
  -Ofast                      		
  -Os                         		
  -falign-functions           		[enabled]
  -falign-jumps               		[enabled]
  -falign-labels              		[enabled]
  -falign-loops               		[enabled]
  -fasynchronous-unwind-tables 		[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]
  -fcommon                    		[enabled]
  -fcompare-elim              		[enabled]
  -fconserve-stack            		[disabled]
  -fcprop-registers           		[enabled]
  -fcrossjumping              		[enabled]
  -fcse-follow-jumps          		[enabled]
  -fcx-fortran-rules          		[disabled]
  -fcx-limited-range          		[disabled]
  -fdata-sections             		[disabled]
  -fdce                       		[enabled]
  -fdefer-pop                 		[enabled]
  -fdelayed-branch            		[disabled]
  -fdelete-null-pointer-checks 		[enabled]
  -fdevirtualize              		[enabled]
  -fdse                       		[enabled]
  -fearly-inlining            		[enabled]
  -fexceptions                		[disabled]
  -fexpensive-optimizations   		[enabled]
  -ffinite-math-only          		[disabled]
  -ffloat-store               		[disabled]
  -fforward-propagate         		[enabled]
  -fgcse                      		[enabled]
  -fgcse-after-reload         		[disabled]
  -fgcse-las                  		[disabled]
  -fgcse-lm                   		[enabled]
  -fgcse-sm                   		[disabled]
  -fgraphite-identity         		[disabled]
  -fguess-branch-probability  		[enabled]
  -fhandle-exceptions         		
  -fif-conversion             		[enabled]
  -fif-conversion2            		[enabled]
  -finline-atomics            		[enabled]
  -finline-functions          		[disabled]
  -finline-functions-called-once 	[enabled]
  -finline-small-functions    		[enabled]
  -fipa-cp                    		[enabled]
  -fipa-cp-clone              		[disabled]
  -fipa-matrix-reorg          		[disabled]
  -fipa-profile               		[enabled]
  -fipa-pta                   		[disabled]
  -fipa-pure-const            		[enabled]
  -fipa-reference             		[enabled]
  -fipa-sra                   		[enabled]
  -fivopts                    		[enabled]
  -fjump-tables               		[enabled]
  -floop-block                		[disabled]
  -floop-flatten              		[disabled]
  -floop-interchange          		[disabled]
  -floop-parallelize-all      		[disabled]
  -floop-strip-mine           		[disabled]
  -fmath-errno                		[enabled]
  -fmerge-all-constants       		[disabled]
  -fmerge-constants           		[enabled]
  -fmodulo-sched              		[disabled]
  -fmove-loop-invariants      		[enabled]
  -fnon-call-exceptions       		[disabled]
  -fnothrow-opt               		[disabled]
  -fomit-frame-pointer        		[disabled]
  -foptimize-register-move    		[enabled]
  -foptimize-sibling-calls    		[enabled]
  -foptimize-strlen           		[enabled]
  -fpack-struct               		[disabled]
  -fpack-struct=<number>      		
  -fpeel-loops                		[disabled]
  -fpeephole                  		[enabled]
  -fpeephole2                 		[enabled]
  -fpredictive-commoning      		[disabled]
  -fprefetch-loop-arrays      		[enabled]
  -freg-struct-return         		[disabled]
  -fregmove                   		[enabled]
  -frename-registers          		[enabled]
  -freorder-blocks            		[enabled]
  -freorder-blocks-and-partition 	[disabled]
  -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]
  -fsched2-use-superblocks    		[disabled]
  -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]
  -fsingle-precision-constant 		[disabled]
  -fsplit-ivs-in-unroller     		[enabled]
  -fsplit-wide-types          		[enabled]
  -fstrict-aliasing           		[enabled]
  -fstrict-enums              		[disabled]
  -fthread-jumps              		[enabled]
  -fno-threadsafe-statics     		[enabled]
  -ftoplevel-reorder          		[enabled]
  -ftrapping-math             		[enabled]
  -ftrapv                     		[disabled]
  -ftree-bit-ccp              		[enabled]
  -ftree-builtin-call-dce     		[enabled]
  -ftree-ccp                  		[enabled]
  -ftree-ch                   		[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-lrs                  		[disabled]
  -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        		[enabled]
  -ftree-sra                  		[enabled]
  -ftree-switch-conversion    		[enabled]
  -ftree-tail-merge           		[enabled]
  -ftree-ter                  		[enabled]
  -ftree-vect-loop-version    		[enabled]
  -ftree-vectorize            		[disabled]
  -ftree-vrp                  		[enabled]
  -funit-at-a-time            		[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           		[enabled]
  -fvpt                       		[disabled]
  -fweb                       		[enabled]
  -fwhole-program             		[disabled]
  -fwrapv                     		[disabled]

