1 files changed, 6 insertions, 18 deletions
diff --git a/deps/v8/src/ia32/lithium-ia32.cc b/deps/v8/src/ia32/lithium-ia32.cc
index 1f9714357e..e3a3d7bcb0 100644
--- a/deps/v8/src/ia32/lithium-ia32.cc
+++ b/deps/v8/src/ia32/lithium-ia32.cc
@@ -460,6 +460,12 @@ int LChunk::NearestGapPos(int index) const {
 }
 
 
+int LChunk::NearestNextGapPos(int index) const {
+  while (!IsGapAt(index)) index++;
+  return index;
+}
+
+
 void LChunk::AddGapMove(int index, LOperand* from, LOperand* to) {
   GetGapAt(index)->GetOrCreateParallelMove(LGap::START)->AddMove(from, to);
 }
@@ -1366,8 +1372,6 @@ LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) {
       return AssignEnvironment(DefineAsRegister(result));
     case kMathSqrt:
       return DefineSameAsFirst(result);
-    case kMathPowHalf:
-      return AssignEnvironment(DefineSameAsFirst(result));
     default:
       UNREACHABLE();
       return NULL;
@@ -1568,22 +1572,6 @@ LInstruction* LChunkBuilder::DoAdd(HAdd* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoPower(HPower* instr) {
-  ASSERT(instr->representation().IsDouble());
-  // We call a C function for double power. It can't trigger a GC.
-  // We need to use fixed result register for the call.
-  Representation exponent_type = instr->right()->representation();
-  ASSERT(instr->left()->representation().IsDouble());
-  LOperand* left = UseFixedDouble(instr->left(), xmm1);
-  LOperand* right = exponent_type.IsDouble() ?
-      UseFixedDouble(instr->right(), xmm2) :
-      UseFixed(instr->right(), eax);
-  LPower* result = new LPower(left, right);
-  return MarkAsCall(DefineFixedDouble(result, xmm1), instr,
-                    CAN_DEOPTIMIZE_EAGERLY);
-}
-
-
 LInstruction* LChunkBuilder::DoCompare(HCompare* instr) {
   Token::Value op = instr->token();
   if (instr->left()->representation().IsInteger32()) {