// 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" | |
} |