Index: src/mips/lithium-mips.cc |
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc |
index c64533cdfcbd10201c743179160bbb1efc888667..c58bb81af040b21a9d98fcd38057808f5151710c 100644 |
--- a/src/mips/lithium-mips.cc |
+++ b/src/mips/lithium-mips.cc |
@@ -1956,9 +1956,14 @@ LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) { |
LInstruction* LChunkBuilder::DoCheckPrototypeMaps(HCheckPrototypeMaps* instr) { |
- LUnallocated* temp1 = TempRegister(); |
- LOperand* temp2 = TempRegister(); |
+ LUnallocated* temp1 = NULL; |
+ LOperand* temp2 = NULL; |
+ if (!instr->CanOmitPrototypeChecks()) { |
+ temp1 = TempRegister(); |
+ temp2 = TempRegister(); |
+ } |
LCheckPrototypeMaps* result = new(zone()) LCheckPrototypeMaps(temp1, temp2); |
+ if (instr->CanOmitPrototypeChecks()) return result; |
return AssignEnvironment(result); |
} |
@@ -1970,8 +1975,10 @@ LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) { |
LInstruction* LChunkBuilder::DoCheckMaps(HCheckMaps* instr) { |
- LOperand* value = UseRegisterAtStart(instr->value()); |
+ LOperand* value = NULL; |
+ if (!instr->CanOmitMapChecks()) value = UseRegisterAtStart(instr->value()); |
LInstruction* result = new(zone()) LCheckMaps(value); |
+ if (instr->CanOmitMapChecks()) return result; |
return AssignEnvironment(result); |
} |