From 7e6d42b93f1f776ba59bca772c759c1e0f846b56 Mon Sep 17 00:00:00 2001
From: "jiesun@chromium.org"
 <jiesun@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Wed, 16 Feb 2011 18:51:58 +0000
Subject: detect cpu feature for all x64 and x86 platforms (no longer windows
 only).

BUG=None
TEST=trybot

Review URL: http://codereview.chromium.org/6526005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@75150 0039d316-1c4b-4281-b951-d872f2087c98
---
 base/cpu.h | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'base/cpu.h')

diff --git a/base/cpu.h b/base/cpu.h
index 963da1a7..1634bf9 100644
--- a/base/cpu.h
+++ b/base/cpu.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2011 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.
 
@@ -6,6 +6,8 @@
 #define BASE_CPU_H_
 #pragma once
 
+#include "build/build_config.h"
+
 #include <string>
 
 namespace base {
@@ -24,6 +26,13 @@ class CPU {
   int type() const { return type_; }
   int extended_model() const { return ext_model_; }
   int extended_family() const { return ext_family_; }
+  int has_mmx() const { return has_mmx_; }
+  int has_sse() const { return has_sse_; }
+  int has_sse2() const { return has_sse2_; }
+  int has_sse3() const { return has_sse3_; }
+  int has_ssse3() const { return has_ssse3_; }
+  int has_sse41() const { return has_sse41_; }
+  int has_sse42() const { return has_sse42_; }
 
  private:
   // Query the processor for CPUID information.
@@ -35,6 +44,13 @@ class CPU {
   int stepping_;  // processor revision number
   int ext_model_;
   int ext_family_;
+  bool has_mmx_;
+  bool has_sse_;
+  bool has_sse2_;
+  bool has_sse3_;
+  bool has_ssse3_;
+  bool has_sse41_;
+  bool has_sse42_;
   std::string cpu_vendor_;
 };
 
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