Fixed bug in extractps instruction on ia32 and x64

test/cctest/test-assembler-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 59 matching lines @@
 // The AMD64 calling convention is used, with the first six arguments
 // in RDI, RSI, RDX, RCX, R8, and R9, and floating point arguments in
 // the XMM registers.  The return value is in RAX.
 // This calling convention is used on Linux, with GCC, and on Mac OS,
 // with GCC.  A different convention is used on 64-bit windows,
 // where the first four integer arguments are passed in RCX, RDX, R8 and R9.
 
 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;
 static const v8::internal::Register arg2 = rdx;
 #else
 static const v8::internal::Register arg1 = rdi;
 static const v8::internal::Register arg2 = rsi;
 #endif
 
 #define __ assm.
@@ skipping 420 matching lines @@
   v8::Local<v8::Value> result = foo->Call(global_object, 1, args);
 
   // The mask should be 0b1000.
   CHECK_EQ(8, result->Int32Value());
 }
 
 #undef ELEMENT_COUNT
 #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 __