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Change-Id: Ic21d25db5d56ce77516c53082dfbc010e5875b81 Reviewed-on: https://go-review.googlesource.com/98655 Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
98 lines
1.7 KiB
Go
98 lines
1.7 KiB
Go
// asmcheck
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// Copyright 2018 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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package codegen
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import "math/bits"
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// ----------------------- //
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// bits.LeadingZeros //
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// ----------------------- //
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func LeadingZeros(n uint) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.LeadingZeros(n)
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}
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func LeadingZeros64(n uint64) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.LeadingZeros64(n)
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}
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func LeadingZeros32(n uint32) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.LeadingZeros32(n)
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}
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func LeadingZeros16(n uint16) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.LeadingZeros16(n)
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}
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func LeadingZeros8(n uint8) int {
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//amd64 LeadingZeros8 not intrinsified (see ssa.go)
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.LeadingZeros8(n)
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}
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// --------------- //
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// bits.Len* //
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// --------------- //
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func Len(n uint) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.Len(n)
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}
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func Len64(n uint64) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.Len64(n)
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}
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func Len32(n uint32) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.Len32(n)
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}
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func Len16(n uint16) int {
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//amd64:"BSRQ"
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.Len16(n)
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}
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func Len8(n uint8) int {
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//amd64 Len8 not intrisified (see ssa.go)
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//s390x:"FLOGR"
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//arm:"CLZ" arm64:"CLZ"
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//mips:"CLZ"
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return bits.Len8(n)
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}
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