Fixed bug in extractps instruction on ia32 and x64

test/cctest/test-assembler-x64.cc

Index: test/cctest/test-assembler-x64.cc
diff --git a/test/cctest/test-assembler-x64.cc b/test/cctest/test-assembler-x64.cc
index 30577751ed4aad226a05f6b8d3f378f6bd186ed5..684f0e1c40011033b53cfca1c83c179fd208a58f 100644
--- a/test/cctest/test-assembler-x64.cc
+++ b/test/cctest/test-assembler-x64.cc
@@ -77,6 +77,7 @@ using v8::internal::xmm0;
 typedef int (*F0)();
 typedef int (*F1)(int64_t x);
 typedef int (*F2)(int64_t x, int64_t y);
+typedef int (*F3)(double x);
 
 #ifdef _WIN64
 static const v8::internal::Register arg1 = rcx;
@@ -517,4 +518,32 @@ TEST(StackAlignmentForSSE2) {
 #endif  // __GNUC__
 
 
+TEST(AssemblerX64Extractps) {
+  CcTest::InitializeVM();
+  if (!v8::internal::CpuFeatures::IsSupported(v8::internal::SSE4_1)) return;
+
+  v8::HandleScope scope(CcTest::isolate());
+  v8::internal::byte buffer[256];
+  Isolate* isolate = CcTest::i_isolate();
+  Assembler assm(isolate, buffer, sizeof(buffer));
+  v8::internal::CpuFeatureScope fscope(&assm, v8::internal::SSE4_1);
+  __ extractps(rax, xmm0, 0x1);
+  __ ret(0);
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  Code* code = Code::cast(isolate->heap()->CreateCode(
+      desc,
+      Code::ComputeFlags(Code::STUB),
+      v8::internal::Handle<Code>())->ToObjectChecked());
+  CHECK(code->IsCode());
+#ifdef OBJECT_PRINT
+  Code::cast(code)->Print();
+#endif
+
+  F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
+  CHECK_EQ(0x7FF80000, f(OS::nan_value()));
+}
+
+
 #undef __