# 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"
    }
  }
}