Add several SIMD opcodes to IA32

src/ia32/assembler-ia32-inl.h

Index: src/ia32/assembler-ia32-inl.h
diff --git a/src/ia32/assembler-ia32-inl.h b/src/ia32/assembler-ia32-inl.h
index de5fc6b53e868e373c34d6a9eb1fdcc71380d9eb..75c21cb7cddfb41ee792194cb6315699db2b38e9 100644
--- a/src/ia32/assembler-ia32-inl.h
+++ b/src/ia32/assembler-ia32-inl.h
@@ -48,7 +48,7 @@ namespace internal {
 
 bool CpuFeatures::SupportsCrankshaft() { return true; }
 
-bool CpuFeatures::SupportsSimd128() { return false; }
+bool CpuFeatures::SupportsSimd128() { return true; }
 
 static const byte kCallOpcode = 0xE8;
 static const int kNoCodeAgeSequenceLength = 5;