go inline_math_bits_rotate 源码
golang inline_math_bits_rotate 代码
文件路径：/test/inline_math_bits_rotate.go
// +build amd64
// errorcheck -0 -m
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test that inlining of math/bits.RotateLeft* treats those calls as intrinsics.
package p
import "math/bits"
var (
x8 uint8
x16 uint16
x32 uint32
x64 uint64
x uint
)
func f() { // ERROR "can inline f"
x8 = bits.RotateLeft8(x8, 1)
x16 = bits.RotateLeft16(x16, 1)
x32 = bits.RotateLeft32(x32, 1)
x64 = bits.RotateLeft64(x64, 1)
x = bits.RotateLeft(x, 1)
}
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