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cmd/compile: remove ntz function

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Use ntzX variants instead.

Passes toolstash-check -a.

Change-Id: I7a627f46f75c3d339034bd3e81c190cea5409c88
Reviewed-on: https://go-review.googlesource.com/c/go/+/229140
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Cuong Manh Le 2020-04-22 00:52:19 +07:00
parent b71eafbcec
commit 79395c55e2
3 changed files with 25 additions and 26 deletions
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3
src/cmd/compile/internal/ssa/rewrite.go
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@ -392,7 +392,6 @@ func nlz16(x int16) int { return bits.LeadingZeros16(uint16(x)) }
func nlz8(x int8) int { return bits.LeadingZeros8(uint8(x)) }
// ntzX returns the number of trailing zeros.
func ntz(x int64) int64 { return int64(bits.TrailingZeros64(uint64(x))) } // TODO: remove when no longer used
func ntz64(x int64) int { return bits.TrailingZeros64(uint64(x)) }
func ntz32(x int32) int { return bits.TrailingZeros32(uint32(x)) }
func ntz16(x int16) int { return bits.TrailingZeros16(uint16(x)) }
@ -406,7 +405,7 @@ func oneBit64(x int64) bool { return x&(x-1) == 0 && x != 0 }
// nto returns the number of trailing ones.
func nto(x int64) int64 {
return ntz(^x)
return int64(ntz64(^x))
}
// log2 returns logarithm in base 2 of uint64(n), with log2(0) = -1.