MIPS: Inline Math.fround in optimized code.

src/mips64/lithium-mips64.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"
 
 #include "src/hydrogen-osr.h"
 #include "src/lithium-allocator-inl.h"
 #include "src/mips64/lithium-codegen-mips64.h"
 #include "src/mips64/lithium-mips64.h"
@@ skipping 1095 matching lines @@
 LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* function = UseFixed(instr->function(), a1);
   LInvokeFunction* result = new(zone()) LInvokeFunction(context, function);
   return MarkAsCall(DefineFixed(result, v0), instr, CANNOT_DEOPTIMIZE_EAGERLY);
 }
 
 
 LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) {
   switch (instr->op()) {
-    case kMathFloor: return DoMathFloor(instr);
-    case kMathRound: return DoMathRound(instr);
-    case kMathAbs: return DoMathAbs(instr);
-    case kMathLog: return DoMathLog(instr);
-    case kMathExp: return DoMathExp(instr);
-    case kMathSqrt: return DoMathSqrt(instr);
-    case kMathPowHalf: return DoMathPowHalf(instr);
-    case kMathClz32: return DoMathClz32(instr);
+    case kMathFloor:
+      return DoMathFloor(instr);
+    case kMathRound:
+      return DoMathRound(instr);
+    case kMathFround:
+      return DoMathFround(instr);
+    case kMathAbs:
+      return DoMathAbs(instr);
+    case kMathLog:
+      return DoMathLog(instr);
+    case kMathExp:
+      return DoMathExp(instr);
+    case kMathSqrt:
+      return DoMathSqrt(instr);
+    case kMathPowHalf:
+      return DoMathPowHalf(instr);
+    case kMathClz32:
+      return DoMathClz32(instr);
     default:
       UNREACHABLE();
       return NULL;
   }
 }
 
 
 LInstruction* LChunkBuilder::DoMathLog(HUnaryMathOperation* instr) {
   ASSERT(instr->representation().IsDouble());
   ASSERT(instr->value()->representation().IsDouble());
@@ skipping 23 matching lines @@
 
 LInstruction* LChunkBuilder::DoMathPowHalf(HUnaryMathOperation* instr) {
   // Input cannot be the same as the result, see LCodeGen::DoMathPowHalf.
   LOperand* input = UseFixedDouble(instr->value(), f8);
   LOperand* temp = TempDoubleRegister();
   LMathPowHalf* result = new(zone()) LMathPowHalf(input, temp);
   return DefineFixedDouble(result, f4);
 }
 
 
+LInstruction* LChunkBuilder::DoMathFround(HUnaryMathOperation* instr) {
+  LOperand* input = UseRegister(instr->value());
+  LMathFround* result = new (zone()) LMathFround(input);
+  return DefineAsRegister(result);
+}
+
+
 LInstruction* LChunkBuilder::DoMathAbs(HUnaryMathOperation* instr) {
   Representation r = instr->value()->representation();
   LOperand* context = (r.IsDouble() || r.IsSmiOrInteger32())
       ? NULL
       : UseFixed(instr->context(), cp);
   LOperand* input = UseRegister(instr->value());
   LInstruction* result =
       DefineAsRegister(new(zone()) LMathAbs(context, input));
   if (!r.IsDouble() && !r.IsSmiOrInteger32()) result = AssignPointerMap(result);
   if (!r.IsDouble()) result = AssignEnvironment(result);
@@ skipping 1372 matching lines @@
     HAllocateBlockContext* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* function = UseRegisterAtStart(instr->function());
   LAllocateBlockContext* result =
       new(zone()) LAllocateBlockContext(context, function);
   return MarkAsCall(DefineFixed(result, cp), instr);
 }
 
 
 } }  // namespace v8::internal