Merge experimental/gc branch to the bleeding_edge.

src/ia32/ic-ia32.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 194 matching lines @@
           Immediate(kTypeAndReadOnlyMask));
   __ j(not_zero, miss_label);
 
   // Store the value at the masked, scaled index.
   const int kValueOffset = kElementsStartOffset + kPointerSize;
   __ lea(r0, Operand(elements, r0, times_4, kValueOffset - kHeapObjectTag));
   __ mov(Operand(r0, 0), value);
 
   // Update write barrier. Make sure not to clobber the value.
   __ mov(r1, value);
-  __ RecordWrite(elements, r0, r1);
+  __ RecordWrite(elements, r0, r1, kDontSaveFPRegs);
 }
 
 
 void LoadIC::GenerateArrayLength(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- eax    : receiver
   //  -- ecx    : name
   //  -- esp[0] : return address
   // -----------------------------------
   Label miss;
@@ skipping 477 matching lines @@
   //  -- ecx    : key
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label slow, notin;
   Operand mapped_location =
       GenerateMappedArgumentsLookup(masm, edx, ecx, ebx, edi, &notin, &slow);
   __ mov(mapped_location, eax);
   __ lea(ecx, mapped_location);
   __ mov(edx, eax);
-  __ RecordWrite(ebx, ecx, edx);
+  __ RecordWrite(ebx, ecx, edx, kDontSaveFPRegs);
   __ Ret();
   __ bind(&notin);
   // The unmapped lookup expects that the parameter map is in ebx.
   Operand unmapped_location =
       GenerateUnmappedArgumentsLookup(masm, ecx, ebx, edi, &slow);
   __ mov(unmapped_location, eax);
   __ lea(edi, unmapped_location);
   __ mov(edx, eax);
-  __ RecordWrite(ebx, edi, edx);
+  __ RecordWrite(ebx, edi, edx, kDontSaveFPRegs);
   __ Ret();
   __ bind(&slow);
   GenerateMiss(masm, false);
 }
 
 
 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm,
                                    StrictModeFlag strict_mode) {
   // ----------- S t a t e -------------
   //  -- eax    : value
@@ skipping 71 matching lines @@
   __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset));  // Compare smis.
   __ j(above_equal, &extra);
 
   // Fast case: Do the store.
   __ bind(&fast);
   // eax: value
   // ecx: key (a smi)
   // edx: receiver
   // edi: FixedArray receiver->elements
   __ mov(CodeGenerator::FixedArrayElementOperand(edi, ecx), eax);
+
   // Update write barrier for the elements array address.
-  __ mov(edx, Operand(eax));
-  __ RecordWrite(edi, 0, edx, ecx);
+  __ mov(edx, Operand(eax));  // Preserve the value which is returned.
+  __ RecordWriteArray(edi, edx, ecx, kDontSaveFPRegs);
   __ ret(0);
 }
 
 
 // The generated code does not accept smi keys.
 // The generated code falls through if both probes miss.
 static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
                                           int argc,
                                           Code::Kind kind,
                                           Code::ExtraICState extra_ic_state) {
@@ skipping 809 matching lines @@
   Condition cc = *jmp_address == Assembler::kJncShortOpcode
       ? not_zero
       : zero;
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32