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X87: Make KeyedLoads from a sloppy arguments array use a handler.

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port r24120.

original commit message:
   Make KeyedLoads from a sloppy arguments array use a handler.
   Before, a custom stub was installed

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/594773002

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
weiliang.lin@intel.com 2014-09-23 03:44:35 +00:00
parent 2bf7ad0541
commit f24bfa435c
1 changed files with 0 additions and 26 deletions
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26
src/ic/x87/ic-x87.cc
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@ -505,32 +505,6 @@ void KeyedLoadIC::GenerateString(MacroAssembler* masm) {
}
void KeyedLoadIC::GenerateSloppyArguments(MacroAssembler* masm) {
// The return address is on the stack.
Register receiver = LoadDescriptor::ReceiverRegister();
Register key = LoadDescriptor::NameRegister();
DCHECK(receiver.is(edx));
DCHECK(key.is(ecx));
Label slow, notin;
Factory* factory = masm->isolate()->factory();
Operand mapped_location = GenerateMappedArgumentsLookup(
masm, receiver, key, ebx, eax, &notin, &slow);
__ mov(eax, mapped_location);
__ Ret();
__ bind(&notin);
// The unmapped lookup expects that the parameter map is in ebx.
Operand unmapped_location =
GenerateUnmappedArgumentsLookup(masm, key, ebx, eax, &slow);
__ cmp(unmapped_location, factory->the_hole_value());
__ j(equal, &slow);
__ mov(eax, unmapped_location);
__ Ret();
__ bind(&slow);
GenerateMiss(masm);
}
void KeyedStoreIC::GenerateSloppyArguments(MacroAssembler* masm) {
// Return address is on the stack.
Label slow, notin;