Refactoring only: Use CheckSSE2OperandIsInt32 instead of copy-n-paste code.

Review URL: https://codereview.chromium.org/11666004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13260 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/code-stubs-ia32.cc

@@ -1757,12 +1757,8 @@ void BinaryOpStub::GenerateInt32Stub(MacroAssembler* masm) {
           }
           // Check result type if it is currently Int32.
           if (result_type_ <= BinaryOpIC::INT32) {
-            __ cvttsd2si(ecx, Operand(xmm0));
-            __ cvtsi2sd(xmm2, ecx);
-            __ pcmpeqd(xmm2, xmm0);
-            __ movmskpd(ecx, xmm2);
-            __ test(ecx, Immediate(1));
-            __ j(zero, &not_int32);
+            FloatingPointHelper::CheckSSE2OperandIsInt32(
+                masm, &not_int32, xmm0, ecx, xmm2);
           }
           BinaryOpStub_GenerateHeapResultAllocation(masm, &call_runtime, mode_);
           __ movdbl(FieldOperand(eax, HeapNumber::kValueOffset), xmm0);