二次 产出: 二次 #fullcodeofthemain()functionasproducedbytheGCCcompiler#x86(Intel)platform:movlinput(%rip),%eax
#generatedcodeon64bitIntelplatform:foo:movl$5,(%rdi)#store5in*amovl$6,(%rsi)#store6in*bmovl(%rdi),%eax
thedefinitionoffunciswritteninassemblylanguageasm(".globlfunc\n\t"".typefunc,@function\n\t""func:\n\t"".cfi_startproc\n\t""movl$7,%eax
onlythecodethatcontributestoobservableside-effectsisemitted)main:movl$0,-4(%rsp)#volatileintn4=0;movl$3,-4(%rsp)#n4=3;xorl%eax