[x64] Use vcvtlsi2sd when AVX is enabled

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/hydrogen-osr.h"
@@ skipping 4756 matching lines @@
   // Load value into temp_xmm which will be preserved across potential call to
   // runtime (MacroAssembler::EnterExitFrameEpilogue preserves only allocatable
   // XMM registers on x64).
   if (signedness == SIGNED_INT32) {
     DCHECK(SmiValuesAre31Bits());
     // There was overflow, so bits 30 and 31 of the original integer
     // disagree. Try to allocate a heap number in new space and store
     // the value in there. If that fails, call the runtime system.
     __ SmiToInteger32(reg, reg);
     __ xorl(reg, Immediate(0x80000000));
-    __ cvtlsi2sd(temp_xmm, reg);
+    __ Cvtlsi2sd(temp_xmm, reg);
   } else {
     DCHECK(signedness == UNSIGNED_INT32);
     __ LoadUint32(temp_xmm, reg);
   }
 
   if (FLAG_inline_new) {
     __ AllocateHeapNumber(reg, tmp, &slow);
     __ jmp(&done, kPointerSize == kInt64Size ? Label::kNear : Label::kFar);
   }
 
@@ skipping 1117 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64