[x64] fixed "vmovups reg, mem"

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 00d36097d08efc3a6aabd19f96c3f09e341ef896..36f1b30df9a40711cd97a57d5dc48637b8ff61fb 100644
--- a/test/cctest/test-assembler-x64.cc
+++ b/test/cctest/test-assembler-x64.cc
@@ -2316,4 +2316,40 @@ TEST(AssemblerX64PslldWithXmm15) {
   CHECK_EQ(V8_UINT64_C(0x22446688aaccef10), result);
 }
 
+typedef float (*F9)(float x, float y);
+TEST(AssemblerX64vmovups) {
+  CcTest::InitializeVM();
+  if (!CpuFeatures::IsSupported(AVX)) return;
+
+  Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
+  HandleScope scope(isolate);
+  v8::internal::byte buffer[256];
+  MacroAssembler assm(isolate, buffer, sizeof(buffer),
+                      v8::internal::CodeObjectRequired::kYes);
+  {
+    CpuFeatureScope avx_scope(&assm, AVX);
+    __ shufps(xmm0, xmm0, 0x0);  // brocast first argument
+    __ shufps(xmm1, xmm1, 0x0);  // brocast second argument
+    // copy xmm1 to xmm0 through the stack to test the "vmovups reg, mem".
+    __ subq(rsp, Immediate(kSimd128Size));
+    __ vmovups(Operand(rsp, 0), xmm1);
+    __ vmovups(xmm0, Operand(rsp, 0));
+    __ addq(rsp, Immediate(kSimd128Size));
+
+    __ ret(0);
+  }
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  Handle<Code> code = isolate->factory()->NewCode(
+      desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
+#ifdef OBJECT_PRINT
+  OFStream os(stdout);
+  code->Print(os);
+#endif
+
+  F9 f = FUNCTION_CAST<F9>(code->entry());
+  CHECK_EQ(-1.5, f(1.5, -1.5));
+}
+
 #undef __