[v8-dev] X87: Make KeyedLoads from a sloppy arguments array use a handler. (issue 594773002 by chunyang.dai@intel.com)

[chunyang . dai]

Reviewers: Weiliang, mvstanton,

Message:
Hello. weiliang & Mvstanton.
PTAL and commit it.

thanks.

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

port r24120.

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

BUG=

Please review this at https://codereview.chromium.org/594773002/

SVN Base: https://chromium.googlesource.com/external/v8.git@bleeding_edge

Affected files (+0, -26 lines):
  M src/ic/x87/ic-x87.cc


Index: src/ic/x87/ic-x87.cc
diff --git a/src/ic/x87/ic-x87.cc b/src/ic/x87/ic-x87.cc
index  
499d8da2effae1e86f2117227263aeeffd3a19ff..9c090c56a536a4f6488353b64dc2bab6a009f4ca  
100644
--- a/src/ic/x87/ic-x87.cc
+++ b/src/ic/x87/ic-x87.cc
@@ -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;


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