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cmd/compile: simplify isUintXPowerOfTwo implementation

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By calling isUnsignedPowerOfTwo instead of duplicating the same ones.

Change-Id: I1e29d3b7eda1bc8773fcd25728d8f508ae633ac9
Reviewed-on: https://go-review.googlesource.com/c/go/+/692916
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Cuong Manh Le 2025-08-04 18:59:17 +07:00 • committed by Gopher Robot
parent 26da1199eb
commit 72147ffa75
1 changed files with 2 additions and 8 deletions
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10
src/cmd/compile/internal/ssa/rewrite.go
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@ -505,16 +505,10 @@ func isUnsignedPowerOfTwo[T uint8 | uint16 | uint32 | uint64](n T) bool {
}
// isUint64PowerOfTwo reports whether uint64(n) is a power of 2.
func isUint64PowerOfTwo(in int64) bool {
n := uint64(in)
return n != 0 && n&(n-1) == 0
}
func isUint64PowerOfTwo(in int64) bool { return isUnsignedPowerOfTwo(uint64(in)) }
// isUint32PowerOfTwo reports whether uint32(n) is a power of 2.
func isUint32PowerOfTwo(in int64) bool {
n := uint64(uint32(in))
return n != 0 && n&(n-1) == 0
}
func isUint32PowerOfTwo(in int64) bool { return isUnsignedPowerOfTwo(uint32(in)) }
// is32Bit reports whether n can be represented as a signed 32 bit integer.
func is32Bit(n int64) bool {