Refactor Math.min/max to be a single HInstruction.

src/ia32/assembler-ia32.cc

Index: src/ia32/assembler-ia32.cc
diff --git a/src/ia32/assembler-ia32.cc b/src/ia32/assembler-ia32.cc
index 1dcf26c532fafbdc02d00d0c5c1dd7f6dde1d24e..a3463368fcc7d029dc3014c25b59148cfc01da56 100644
--- a/src/ia32/assembler-ia32.cc
+++ b/src/ia32/assembler-ia32.cc
@@ -2044,6 +2044,15 @@ void Assembler::andpd(XMMRegister dst, XMMRegister src) {
 }
 
 
+void Assembler::orpd(XMMRegister dst, XMMRegister src) {
+  EnsureSpace ensure_space(this);
+  EMIT(0x66);
+  EMIT(0x0F);
+  EMIT(0x56);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::ucomisd(XMMRegister dst, XMMRegister src) {
   ASSERT(CpuFeatures::IsEnabled(SSE2));
   EnsureSpace ensure_space(this);