A64: Add support for SMI representation to MulConstI. Also add a test.

src/a64/lithium-a64.h

 // Copyright 2013 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 129 matching lines @@
   V(MathFloor)                                  \
   V(MathFloorOfDiv)                             \
   V(MathLog)                                    \
   V(MathMinMax)                                 \
   V(MathPowHalf)                                \
   V(MathRound)                                  \
   V(MathSin)                                    \
   V(MathSqrt)                                   \
   V(MathTan)                                    \
   V(ModI)                                       \
-  V(MulConstI)                                  \
+  V(MulConstIS)                                  \
   V(MulI)                                       \
   V(MulS)                                       \
   V(NumberTagD)                                 \
   V(NumberTagU)                                 \
   V(NumberUntagD)                               \
   V(OsrEntry)                                   \
   V(OuterContext)                               \
   V(Parameter)                                  \
   V(Power)                                      \
   V(PushArgument)                               \
@@ skipping 1791 matching lines @@
   }
 
   LOperand* left() { return inputs_[0]; }
   LOperand* right() { return inputs_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
   DECLARE_HYDROGEN_ACCESSOR(Mod)
 };
 
 
-class LMulConstI: public LTemplateInstruction<1, 2, 0> {
+class LMulConstIS: public LTemplateInstruction<1, 2, 0> {
  public:
-  LMulConstI(LOperand* left, LConstantOperand* right) {
+  LMulConstIS(LOperand* left, LConstantOperand* right) {
     inputs_[0] = left;
     inputs_[1] = right;
   }
 
   LOperand* left() { return inputs_[0]; }
   LConstantOperand* right() { return LConstantOperand::cast(inputs_[1]); }
 
-  DECLARE_CONCRETE_INSTRUCTION(MulConstI, "mul-const-i")
+  DECLARE_CONCRETE_INSTRUCTION(MulConstIS, "mul-const-i-s")
   DECLARE_HYDROGEN_ACCESSOR(Mul)
 };
 
 
 class LMulI: public LTemplateInstruction<1, 2, 0> {
  public:
   LMulI(LOperand* left, LOperand* right) {
     inputs_[0] = left;
     inputs_[1] = right;
   }
@@ skipping 920 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_A64_LITHIUM_A64_H_