Require SSE2 support for the ia32 port.

src/x64/assembler-x64.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 "v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "macro-assembler.h"
 #include "serialize.h"
@@ skipping 33 matching lines @@
   CPU cpu;
   if (cpu.has_sse41()) {
     probed_features |= static_cast<uint64_t>(1) << SSE4_1;
   }
   if (cpu.has_sse3()) {
     probed_features |= static_cast<uint64_t>(1) << SSE3;
   }
 
   // SSE2 must be available on every x64 CPU.
   ASSERT(cpu.has_sse2());
-  probed_features |= static_cast<uint64_t>(1) << SSE2;
 
   // CMOV must be available on every x64 CPU.
   ASSERT(cpu.has_cmov());
   probed_features |= static_cast<uint64_t>(1) << CMOV;
 
   // SAHF is not generally available in long mode.
   if (cpu.has_sahf()) {
     probed_features |= static_cast<uint64_t>(1) << SAHF;
   }
 
@@ skipping 2928 matching lines @@
 
 
 bool RelocInfo::IsInConstantPool() {
   return false;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64