| // run -gcflags=-d=ssa/check/on |
| |
| // Copyright 2019 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. |
| |
| // As of 2019-06, bug affects/ed amd64 and s390x. |
| |
| package main |
| |
| var foo = []byte{105, 57, 172, 152} |
| |
| func main() { |
| for i := 0; i < len(foo); i += 4 { |
| // Requires inlining and non-constant i |
| // Note the bug/fix also apply to different widths, but was unable to reproduce for those. |
| println(readLittleEndian32_2(foo[i], foo[i+1], foo[i+2], foo[i+3])) |
| } |
| } |
| |
| func readLittleEndian32_2(a, b, c, d byte) uint32 { |
| return uint32(a) | (uint32(b) << 8) | (uint32(c) << 16) | (uint32(d) << 24) |
| } |
