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5cadc91b3c
Popcount instructions on amd64 are not guaranteed to be present, so we must guard their call. Rewrite rules can't generate control flow at the moment, so the intrinsifier needs to generate that code. name old time/op new time/op delta OnesCount-8 2.47ns ± 5% 1.04ns ± 2% -57.70% (p=0.000 n=10+10) OnesCount16-8 1.05ns ± 1% 0.78ns ± 0% -25.56% (p=0.000 n=9+8) OnesCount32-8 1.63ns ± 5% 1.04ns ± 2% -35.96% (p=0.000 n=10+10) OnesCount64-8 2.45ns ± 0% 1.04ns ± 1% -57.55% (p=0.000 n=6+10) Update #18616 Change-Id: I4aff2cc9aa93787898d7b22055fe272a7cf95673 Reviewed-on: https://go-review.googlesource.com/38320 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@golang.org>
193 lines
6.8 KiB
Go
193 lines
6.8 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// NOTE: If you change this file you must run "go generate"
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// to update builtin.go. This is not done automatically
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// to avoid depending on having a working compiler binary.
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// +build ignore
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package runtime
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// emitted by compiler, not referred to by go programs
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import "unsafe"
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func newobject(typ *byte) *any
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func panicindex()
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func panicslice()
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func panicdivide()
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func throwinit()
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func panicwrap()
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func gopanic(interface{})
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func gorecover(*int32) interface{}
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func goschedguarded()
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func printbool(bool)
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func printfloat(float64)
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func printint(int64)
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func printhex(uint64)
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func printuint(uint64)
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func printcomplex(complex128)
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func printstring(string)
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func printpointer(any)
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func printiface(any)
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func printeface(any)
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func printslice(any)
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func printnl()
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func printsp()
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func printlock()
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func printunlock()
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func concatstring2(*[32]byte, string, string) string
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func concatstring3(*[32]byte, string, string, string) string
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func concatstring4(*[32]byte, string, string, string, string) string
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func concatstring5(*[32]byte, string, string, string, string, string) string
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func concatstrings(*[32]byte, []string) string
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func cmpstring(string, string) int
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func eqstring(string, string) bool
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func intstring(*[4]byte, int64) string
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func slicebytetostring(*[32]byte, []byte) string
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func slicebytetostringtmp([]byte) string
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func slicerunetostring(*[32]byte, []rune) string
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func stringtoslicebyte(*[32]byte, string) []byte
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func stringtoslicerune(*[32]rune, string) []rune
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func decoderune(string, int) (retv rune, retk int)
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func slicecopy(to any, fr any, wid uintptr) int
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func slicestringcopy(to any, fr any) int
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// interface conversions
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func convI2I(typ *byte, elem any) (ret any)
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func convT2E(typ *byte, elem *any) (ret any)
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func convT2E16(typ *byte, elem *any) (ret any)
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func convT2E32(typ *byte, elem *any) (ret any)
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func convT2E64(typ *byte, elem *any) (ret any)
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func convT2Estring(typ *byte, elem *any) (ret any)
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func convT2Eslice(typ *byte, elem *any) (ret any)
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func convT2Enoptr(typ *byte, elem *any) (ret any)
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func convT2I(tab *byte, elem *any) (ret any)
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func convT2I16(tab *byte, elem *any) (ret any)
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func convT2I32(tab *byte, elem *any) (ret any)
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func convT2I64(tab *byte, elem *any) (ret any)
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func convT2Istring(tab *byte, elem *any) (ret any)
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func convT2Islice(tab *byte, elem *any) (ret any)
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func convT2Inoptr(tab *byte, elem *any) (ret any)
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// interface type assertions x.(T)
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func assertE2I(typ *byte, iface any) (ret any)
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func assertE2I2(typ *byte, iface any) (ret any, b bool)
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func assertI2I(typ *byte, iface any) (ret any)
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func assertI2I2(typ *byte, iface any) (ret any, b bool)
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func panicdottypeE(have, want, iface *byte)
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func panicdottypeI(have, want, iface *byte)
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func panicnildottype(want *byte)
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// interface equality. Type/itab pointers are already known to be equal, so
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// we only need to pass one.
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func ifaceeq(tab *uintptr, x, y unsafe.Pointer) (ret bool)
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func efaceeq(typ *uintptr, x, y unsafe.Pointer) (ret bool)
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// *byte is really *runtime.Type
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func makemap(mapType *byte, hint int64, mapbuf *any, bucketbuf *any) (hmap map[any]any)
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func mapaccess1(mapType *byte, hmap map[any]any, key *any) (val *any)
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func mapaccess1_fast32(mapType *byte, hmap map[any]any, key any) (val *any)
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func mapaccess1_fast64(mapType *byte, hmap map[any]any, key any) (val *any)
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func mapaccess1_faststr(mapType *byte, hmap map[any]any, key any) (val *any)
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func mapaccess1_fat(mapType *byte, hmap map[any]any, key *any, zero *byte) (val *any)
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func mapaccess2(mapType *byte, hmap map[any]any, key *any) (val *any, pres bool)
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func mapaccess2_fast32(mapType *byte, hmap map[any]any, key any) (val *any, pres bool)
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func mapaccess2_fast64(mapType *byte, hmap map[any]any, key any) (val *any, pres bool)
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func mapaccess2_faststr(mapType *byte, hmap map[any]any, key any) (val *any, pres bool)
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func mapaccess2_fat(mapType *byte, hmap map[any]any, key *any, zero *byte) (val *any, pres bool)
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func mapassign(mapType *byte, hmap map[any]any, key *any) (val *any)
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func mapassign_fast32(mapType *byte, hmap map[any]any, key any) (val *any)
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func mapassign_fast64(mapType *byte, hmap map[any]any, key any) (val *any)
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func mapassign_faststr(mapType *byte, hmap map[any]any, key any) (val *any)
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func mapiterinit(mapType *byte, hmap map[any]any, hiter *any)
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func mapdelete(mapType *byte, hmap map[any]any, key *any)
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func mapdelete_fast32(mapType *byte, hmap map[any]any, key any)
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func mapdelete_fast64(mapType *byte, hmap map[any]any, key any)
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func mapdelete_faststr(mapType *byte, hmap map[any]any, key any)
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func mapiternext(hiter *any)
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// *byte is really *runtime.Type
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func makechan(chanType *byte, hint int64) (hchan chan any)
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func chanrecv1(hchan <-chan any, elem *any)
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func chanrecv2(hchan <-chan any, elem *any) bool
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func chansend1(hchan chan<- any, elem *any)
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func closechan(hchan any)
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var writeBarrier struct {
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enabled bool
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pad [3]byte
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needed bool
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cgo bool
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alignme uint64
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}
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func writebarrierptr(dst *any, src any)
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// *byte is really *runtime.Type
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func typedmemmove(typ *byte, dst *any, src *any)
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func typedmemclr(typ *byte, dst *any)
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func typedslicecopy(typ *byte, dst any, src any) int
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func selectnbsend(hchan chan<- any, elem *any) bool
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func selectnbrecv(elem *any, hchan <-chan any) bool
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func selectnbrecv2(elem *any, received *bool, hchan <-chan any) bool
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func newselect(sel *byte, selsize int64, size int32)
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func selectsend(sel *byte, hchan chan<- any, elem *any)
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func selectrecv(sel *byte, hchan <-chan any, elem *any, received *bool)
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func selectdefault(sel *byte)
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func selectgo(sel *byte) int
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func block()
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func makeslice(typ *byte, len int, cap int) (ary []any)
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func makeslice64(typ *byte, len int64, cap int64) (ary []any)
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func growslice(typ *byte, old []any, cap int) (ary []any)
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func memmove(to *any, frm *any, length uintptr)
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func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
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func memclrHasPointers(ptr unsafe.Pointer, n uintptr)
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func memequal(x, y *any, size uintptr) bool
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func memequal8(x, y *any) bool
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func memequal16(x, y *any) bool
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func memequal32(x, y *any) bool
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func memequal64(x, y *any) bool
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func memequal128(x, y *any) bool
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// only used on 32-bit
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func int64div(int64, int64) int64
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func uint64div(uint64, uint64) uint64
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func int64mod(int64, int64) int64
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func uint64mod(uint64, uint64) uint64
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func float64toint64(float64) int64
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func float64touint64(float64) uint64
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func float64touint32(float64) uint32
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func int64tofloat64(int64) float64
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func uint64tofloat64(uint64) float64
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func uint32tofloat64(uint32) float64
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func complex128div(num complex128, den complex128) (quo complex128)
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// race detection
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func racefuncenter(uintptr)
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func racefuncexit()
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func raceread(uintptr)
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func racewrite(uintptr)
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func racereadrange(addr, size uintptr)
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func racewriterange(addr, size uintptr)
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// memory sanitizer
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func msanread(addr, size uintptr)
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func msanwrite(addr, size uintptr)
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// architecture variants
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var support_popcnt bool
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