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

src/compiler/x64/code-generator-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.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
@@ skipping 257 matching lines @@
       break;
     case kX64Test:
       ASSEMBLE_BINOP(testq);
       break;
     case kX64Imul32:
       if (HasImmediateInput(instr, 1)) {
         RegisterOrOperand input = i.InputRegisterOrOperand(0);
         if (input.type == kRegister) {
           __ imull(i.OutputRegister(), input.reg, i.InputImmediate(1));
         } else {
-          __ movq(kScratchRegister, input.operand);
-          __ imull(i.OutputRegister(), kScratchRegister, i.InputImmediate(1));
+          __ imull(i.OutputRegister(), input.operand, i.InputImmediate(1));
         }
       } else {
         RegisterOrOperand input = i.InputRegisterOrOperand(1);
         if (input.type == kRegister) {
           __ imull(i.OutputRegister(), input.reg);
         } else {
           __ imull(i.OutputRegister(), input.operand);
         }
       }
       break;
     case kX64Imul:
       if (HasImmediateInput(instr, 1)) {
         RegisterOrOperand input = i.InputRegisterOrOperand(0);
         if (input.type == kRegister) {
           __ imulq(i.OutputRegister(), input.reg, i.InputImmediate(1));
         } else {
-          __ movq(kScratchRegister, input.operand);
-          __ imulq(i.OutputRegister(), kScratchRegister, i.InputImmediate(1));
+          __ imulq(i.OutputRegister(), input.operand, i.InputImmediate(1));
         }
       } else {
         RegisterOrOperand input = i.InputRegisterOrOperand(1);
         if (input.type == kRegister) {
           __ imulq(i.OutputRegister(), input.reg);
         } else {
           __ imulq(i.OutputRegister(), input.operand);
         }
       }
       break;
@@ skipping 681 matching lines @@
 }
 
 
 void CodeGenerator::AddNopForSmiCodeInlining() { __ nop(); }
 
 #undef __
 
 }  // namespace internal
 }  // namespace compiler
 }  // namespace v8