File: inline_math_bits_rotate.go

package info (click to toggle)
golang-1.21 1.21.6-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 148,320 kB
  • sloc: asm: 122,572; ansic: 7,627; sh: 2,219; javascript: 1,520; perl: 1,101; python: 366; makefile: 88; cpp: 39; f90: 8; awk: 7; objc: 4
file content (28 lines) | stat: -rw-r--r-- 569 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// +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)
}