Index: src/ppc/builtins-ppc.cc |
diff --git a/src/ppc/builtins-ppc.cc b/src/ppc/builtins-ppc.cc |
index d06d1c6d04d353538fa4929492ec2f615ddedfed..eed082d6f95865906b54f1a3b57707560c753a14 100644 |
--- a/src/ppc/builtins-ppc.cc |
+++ b/src/ppc/builtins-ppc.cc |
@@ -1420,35 +1420,37 @@ static void Generate_PushAppliedArguments(MacroAssembler* masm, |
const int argumentsOffset, |
const int indexOffset, |
const int limitOffset) { |
+ Register receiver = LoadDescriptor::ReceiverRegister(); |
+ Register key = LoadDescriptor::NameRegister(); |
+ |
+ // Copy all arguments from the array to the stack. |
Label entry, loop; |
- __ LoadP(r3, MemOperand(fp, indexOffset)); |
+ __ LoadP(key, MemOperand(fp, indexOffset)); |
__ b(&entry); |
- |
- // Load the current argument from the arguments array and push it to the |
- // stack. |
- // r3: current argument index |
__ bind(&loop); |
- __ LoadP(r4, MemOperand(fp, argumentsOffset)); |
- __ Push(r4, r3); |
+ __ LoadP(receiver, MemOperand(fp, argumentsOffset)); |
+ |
+ // Use inline caching to speed up access to arguments. |
+ Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Megamorphic(); |
+ __ Call(ic, RelocInfo::CODE_TARGET); |
- // Call the runtime to access the property in the arguments array. |
- __ CallRuntime(Runtime::kGetProperty, 2); |
+ // Push the nth argument. |
__ push(r3); |
- // Use inline caching to access the arguments. |
- __ LoadP(r3, MemOperand(fp, indexOffset)); |
- __ AddSmiLiteral(r3, r3, Smi::FromInt(1), r0); |
- __ StoreP(r3, MemOperand(fp, indexOffset)); |
+ // Update the index on the stack and in register key. |
+ __ LoadP(key, MemOperand(fp, indexOffset)); |
+ __ AddSmiLiteral(key, key, Smi::FromInt(1), r0); |
+ __ StoreP(key, MemOperand(fp, indexOffset)); |
// Test if the copy loop has finished copying all the elements from the |
// arguments object. |
__ bind(&entry); |
- __ LoadP(r4, MemOperand(fp, limitOffset)); |
- __ cmp(r3, r4); |
+ __ LoadP(r0, MemOperand(fp, limitOffset)); |
+ __ cmp(key, r0); |
__ bne(&loop); |
- // On exit, the pushed arguments count is in r0, untagged |
- __ SmiUntag(r3); |
+ // On exit, the pushed arguments count is in r3, untagged |
+ __ SmiUntag(r3, key); |
} |