Add popcnt support for pnacl

components/nacl/renderer/platform_info.cc

 // Copyright 2014 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.
 
 #include "base/cpu.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "build/build_config.h"
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
@@ skipping 57 matching lines @@
   // effectively always implied by SSE4.2 but has to be specified
   // separately.
   //
   // TODO: AVX2, AVX, SSE 4.2.
   if (cpu.has_sse41()) features.push_back("+sse4.1");
   // TODO: SSE 4A, SSE 4.
   else if (cpu.has_ssse3()) features.push_back("+ssse3");
   // TODO: SSE 3
   else if (cpu.has_sse2()) features.push_back("+sse2");
 
-  // TODO: AES, POPCNT, LZCNT, ...
+  if (cpu.has_popcnt()) features.push_back("+popcnt");
+
+  // TODO: AES, LZCNT, ...
   return base::JoinString(features, ",");
 }
 
 }  // namespace nacl