| # Copyright 2019 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # These are primarily relevant in current_cpu == "x64" contexts, where |
| # X64 code is being compiled. |
| if (current_cpu == "x64") { |
| declare_args() { |
| # The micro architecture of x64 cpu. This will be a string like "haswell" or |
| # "skylake". An empty string means to use the default architecture which is |
| # "x86-64". |
| # CPU options for "x86-64" in GCC can be found at |
| # https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html |
| # CPU options for "x86-64" in llvm can be found at |
| # https://github.com/llvm/llvm-project/blob/master/llvm/include/llvm/Support/X86TargetParser.def |
| x64_arch = "" |
| } |
| |
| if ((is_posix && !is_apple) || is_fuchsia) { |
| if (x64_arch == "") { |
| x64_arch = "x86-64" |
| } |
| } |
| } |
