[x64] Replace movaps with appropriate vmov* instructions when AVX is enabled.

src/x64/assembler-x64.cc

 // Copyright 2012 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.
 
 #include "src/x64/assembler-x64.h"
 
 #include <cstring>
 
 #if V8_TARGET_ARCH_X64
 
@@ skipping 2726 matching lines @@
   EnsureSpace ensure_space(this);
   emit(0xF2);  // double
   emit_optional_rex_32(dst, src);
   emit(0x0F);
   emit(0x10);  // load
   emit_sse_operand(dst, src);
 }
 
 
 void Assembler::movaps(XMMRegister dst, XMMRegister src) {
+  DCHECK(!IsEnabled(AVX));
   EnsureSpace ensure_space(this);
   if (src.low_bits() == 4) {
     // Try to avoid an unnecessary SIB byte.
     emit_optional_rex_32(src, dst);
     emit(0x0F);
     emit(0x29);
     emit_sse_operand(src, dst);
   } else {
     emit_optional_rex_32(dst, src);
     emit(0x0F);
     emit(0x28);
     emit_sse_operand(dst, src);
   }
 }
 
 
 void Assembler::shufps(XMMRegister dst, XMMRegister src, byte imm8) {
   DCHECK(is_uint8(imm8));
   EnsureSpace ensure_space(this);
   emit_optional_rex_32(src, dst);
   emit(0x0F);
   emit(0xC6);
   emit_sse_operand(dst, src);
   emit(imm8);
 }
 
 
 void Assembler::movapd(XMMRegister dst, XMMRegister src) {
+  DCHECK(!IsEnabled(AVX));
   EnsureSpace ensure_space(this);
   if (src.low_bits() == 4) {
     // Try to avoid an unnecessary SIB byte.
     emit(0x66);
     emit_optional_rex_32(src, dst);
     emit(0x0F);
     emit(0x29);
     emit_sse_operand(src, dst);
   } else {
     emit(0x66);
@@ skipping 158 matching lines @@
 void Assembler::ucomiss(XMMRegister dst, const Operand& src) {
   DCHECK(!IsEnabled(AVX));
   EnsureSpace ensure_space(this);
   emit_optional_rex_32(dst, src);
   emit(0x0f);
   emit(0x2e);
   emit_sse_operand(dst, src);
 }
 
 
+void Assembler::movss(XMMRegister dst, XMMRegister src) {
+  DCHECK(!IsEnabled(AVX));
+  EnsureSpace ensure_space(this);
+  emit(0xF3);  // single
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x10);  // load
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::movss(XMMRegister dst, const Operand& src) {
   DCHECK(!IsEnabled(AVX));
   EnsureSpace ensure_space(this);
   emit(0xF3);  // single
   emit_optional_rex_32(dst, src);
   emit(0x0F);
   emit(0x10);  // load
   emit_sse_operand(dst, src);
 }
 
@@ skipping 1055 matching lines @@
 
 bool RelocInfo::IsInConstantPool() {
   return false;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64