| // Copyright 2019 The Chromium OS Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| package main | |
| import ( | |
| "strings" | |
| ) | |
| func processX86Flags(builder *commandBuilder) { | |
| arch := builder.target.arch | |
| if strings.HasPrefix(arch, "x86_64") || startswithI86(arch) { | |
| builder.addPostUserArgs("-mno-movbe") | |
| } | |
| } | |
| // Returns true if s starts with i.86. | |
| func startswithI86(s string) bool { | |
| return len(s) >= 4 && s[0] == 'i' && s[2:4] == "86" | |
| } |