[x64] three operand imul supports first operand in memory location

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/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/macro-assembler.h"
@@ skipping 924 matching lines @@
     emit_modrm(dst, src);
     emit(imm.value_);
   } else {
     emit(0x69);
     emit_modrm(dst, src);
     emitl(imm.value_);
   }
 }
 
 
+void Assembler::emit_imul(Register dst, const Operand& src, Immediate imm,
+                          int size) {
+  EnsureSpace ensure_space(this);
+  emit_rex(dst, src, size);
+  if (is_int8(imm.value_)) {
+    emit(0x6B);
+  } else {
+    emit(0x69);
+  }
+  emit_operand(dst, src);
+  emit(imm.value_);
+}
+
+
 void Assembler::emit_inc(Register dst, int size) {
   EnsureSpace ensure_space(this);
   emit_rex(dst, size);
   emit(0xFF);
   emit_modrm(0x0, dst);
 }
 
 
 void Assembler::emit_inc(const Operand& dst, int size) {
   EnsureSpace ensure_space(this);
@@ skipping 2056 matching lines @@
 
 
 bool RelocInfo::IsInConstantPool() {
   return false;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64