ARM: Tweak Math.exp.

src/arm/lithium-arm.cc

 // Copyright 2012 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 1222 matching lines @@
 LInstruction* LChunkBuilder::DoMathTan(HUnaryMathOperation* instr) {
   LOperand* input = UseFixedDouble(instr->value(), d2);
   LMathTan* result = new(zone()) LMathTan(input);
   return MarkAsCall(DefineFixedDouble(result, d2), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoMathExp(HUnaryMathOperation* instr) {
   ASSERT(instr->representation().IsDouble());
   ASSERT(instr->value()->representation().IsDouble());
-  LOperand* input = UseTempRegister(instr->value());
+  LOperand* input = UseRegister(instr->value());
   LOperand* temp1 = TempRegister();
   LOperand* temp2 = TempRegister();
   LOperand* double_temp = FixedTemp(d3);  // Chosen by fair dice roll.
   LMathExp* result = new(zone()) LMathExp(input, double_temp, temp1, temp2);
   return DefineAsRegister(result);
 }
 
 
 LInstruction* LChunkBuilder::DoMathSqrt(HUnaryMathOperation* instr) {
   LOperand* input = UseRegister(instr->value());
@@ skipping 1347 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseRegister(instr->index());
   return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal