go/src/cmd/compile/internal/amd64/ggen.go

var isPlan9 …

const dzBlocks …

const dzBlockLen …

const dzBlockSize …

const dzMovSize …

const dzLeaqSize …

const dzClearStep …

const dzClearLen …

const dzSize …

// dzOff returns the offset for a jump into DUFFZERO.
// b is the number of bytes to zero.
func dzOff(b int64) int64 { … }

// duffzeroDI returns the pre-adjustment to DI for a call to DUFFZERO.
// b is the number of bytes to zero.
func dzDI(b int64) int64 { … }

func zerorange(pp *objw.Progs, p *obj.Prog, off, cnt int64, state *uint32) *obj.Prog { … }

func ginsnop(pp *objw.Progs) *obj.Prog { … }