X87: Inline Math.fround in optimized code.

src/x87/lithium-x87.h

 // 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.
 
 #ifndef V8_X87_LITHIUM_X87_H_
 #define V8_X87_LITHIUM_X87_H_
 
 #include "src/hydrogen.h"
 #include "src/lithium.h"
 #include "src/lithium-allocator.h"
@@ skipping 94 matching lines @@
   V(LoadKeyed)                                  \
   V(LoadKeyedGeneric)                           \
   V(LoadNamedField)                             \
   V(LoadNamedGeneric)                           \
   V(LoadRoot)                                   \
   V(MapEnumLength)                              \
   V(MathAbs)                                    \
   V(MathClz32)                                  \
   V(MathExp)                                    \
   V(MathFloor)                                  \
+  V(MathFround)                                 \
   V(MathLog)                                    \
   V(MathMinMax)                                 \
   V(MathPowHalf)                                \
   V(MathRound)                                  \
   V(MathSqrt)                                   \
   V(ModByConstI)                                \
   V(ModByPowerOf2I)                             \
   V(ModI)                                       \
   V(MulI)                                       \
   V(NumberTagD)                                 \
@@ skipping 741 matching lines @@
     inputs_[0] = value;
   }
 
   LOperand* value() { return inputs_[0]; }
 
   DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round")
   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 };
 
 
+class LMathFround V8_FINAL : public LTemplateInstruction<1, 1, 0> {
+ public:
+  explicit LMathFround(LOperand* value) { inputs_[0] = value; }
+
+  LOperand* value() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
+};
+
+
 class LMathAbs V8_FINAL : public LTemplateInstruction<1, 2, 0> {
  public:
   LMathAbs(LOperand* context, LOperand* value) {
     inputs_[1] = context;
     inputs_[0] = value;
   }
 
   LOperand* context() { return inputs_[1]; }
   LOperand* value() { return inputs_[0]; }
 
@@ skipping 1858 matching lines @@
   // Build the sequence for the graph.
   LPlatformChunk* Build();
 
   // Declare methods that deal with the individual node types.
 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
   HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
 #undef DECLARE_DO
 
   LInstruction* DoMathFloor(HUnaryMathOperation* instr);
   LInstruction* DoMathRound(HUnaryMathOperation* instr);
+  LInstruction* DoMathFround(HUnaryMathOperation* instr);
   LInstruction* DoMathAbs(HUnaryMathOperation* instr);
   LInstruction* DoMathLog(HUnaryMathOperation* instr);
   LInstruction* DoMathExp(HUnaryMathOperation* instr);
   LInstruction* DoMathSqrt(HUnaryMathOperation* instr);
   LInstruction* DoMathPowHalf(HUnaryMathOperation* instr);
   LInstruction* DoMathClz32(HUnaryMathOperation* instr);
   LInstruction* DoDivByPowerOf2I(HDiv* instr);
   LInstruction* DoDivByConstI(HDiv* instr);
   LInstruction* DoDivI(HDiv* instr);
   LInstruction* DoModByPowerOf2I(HMod* instr);
@@ skipping 124 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_X87_LITHIUM_X87_H_