Require SSE2 support for the ia32 port.

src/runtime.cc

 // Copyright 2012 the V8 project 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 <stdlib.h>
 #include <limits>
 
 #include "v8.h"
 
 #include "accessors.h"
@@ skipping 7889 matching lines @@
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   isolate->counters()->math_floor()->Increment();
 
   CONVERT_DOUBLE_ARG_CHECKED(x, 0);
   return *isolate->factory()->NewNumber(std::floor(x));
 }
 
 
 // Slow version of Math.pow.  We check for fast paths for special cases.
-// Used if SSE2/VFP3 is not available.
+// Used if VFP3 is not available.
 RUNTIME_FUNCTION(RuntimeHidden_MathPowSlow) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 2);
   isolate->counters()->math_pow()->Increment();
 
   CONVERT_DOUBLE_ARG_CHECKED(x, 0);
 
   // If the second argument is a smi, it is much faster to call the
   // custom powi() function than the generic pow().
   if (args[1]->IsSmi()) {
@@ skipping 7343 matching lines @@
   }
   return NULL;
 }
 
 
 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) {
   return &(kIntrinsicFunctions[static_cast<int>(id)]);
 }
 
 } }  // namespace v8::internal