Added infrastructure for optimizing new CanvasArray types in WebGL...

src/ia32/ic-ia32.cc

 // Copyright 2006-2008 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 283 matching lines @@
   __ cmp(eax, FieldOperand(ecx, PixelArray::kLengthOffset));
   __ j(above_equal, &slow);
   __ mov(ecx, FieldOperand(ecx, PixelArray::kExternalPointerOffset));
   __ movzx_b(eax, Operand(ecx, eax, times_1, 0));
   __ shl(eax, kSmiTagSize);
   __ ret(0);
 
   // Slow case: Load name and receiver from stack and jump to runtime.
   __ bind(&slow);
   __ IncrementCounter(&Counters::keyed_load_generic_slow, 1);
-  KeyedLoadIC::Generate(masm, ExternalReference(Runtime::kKeyedGetProperty));
+  Generate(masm, ExternalReference(Runtime::kKeyedGetProperty));
 
   __ bind(&check_string);
   // The key is not a smi.
   // Is it a string?
   __ CmpObjectType(eax, FIRST_NONSTRING_TYPE, edx);
   __ j(above_equal, &slow);
   // Is the string an array index, with cached numeric value?
   __ mov(ebx, FieldOperand(eax, String::kLengthOffset));
   __ test(ebx, Immediate(String::kIsArrayIndexMask));
   __ j(not_zero, &index_string, not_taken);
@@ skipping 20 matching lines @@
       (String::kMaxCachedArrayIndexLength + 1) << String::kShortLengthShift;
   __ cmp(ebx, kLengthFieldLimit);
   __ j(above_equal, &slow);
   __ mov(eax, Operand(ebx));
   __ and_(eax, (1 << String::kShortLengthShift) - 1);
   __ shr(eax, String::kLongLengthShift);
   __ jmp(&index_int);
 }
 
 
+void KeyedLoadIC::GenerateExternalArray(MacroAssembler* masm,
+                                        ExternalArrayType array_type) {
+  GenerateGeneric(masm);
+}
+
+
 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- esp[0] : return address
   //  -- esp[4] : key
   //  -- esp[8] : receiver
   // -----------------------------------
   Label slow, fast, array, extra, check_pixel_array;
 
   // Get the receiver from the stack.
@@ skipping 33 matching lines @@
   __ j(not_equal, &check_pixel_array, not_taken);
   // Untag the key (for checking against untagged length in the fixed array).
   __ mov(edx, Operand(ebx));
   __ sar(edx, kSmiTagSize);  // untag the index and use it for the comparison
   __ cmp(edx, FieldOperand(ecx, Array::kLengthOffset));
   // eax: value
   // ecx: FixedArray
   // ebx: index (as a smi)
   __ j(below, &fast, taken);
 
-  // Slow case: Push extra copies of the arguments (3).
+  // Slow case: call runtime.
   __ bind(&slow);
-  __ pop(ecx);
-  __ push(Operand(esp, 1 * kPointerSize));
-  __ push(Operand(esp, 1 * kPointerSize));
-  __ push(eax);
-  __ push(ecx);
-  // Do tail-call to runtime routine.
-  __ TailCallRuntime(ExternalReference(Runtime::kSetProperty), 3, 1);
+  Generate(masm, ExternalReference(Runtime::kSetProperty));
 
   // Check whether the elements is a pixel array.
   // eax: value
   // ecx: elements array
   // ebx: index (as a smi)
   __ bind(&check_pixel_array);
   __ cmp(FieldOperand(ecx, HeapObject::kMapOffset),
          Immediate(Factory::pixel_array_map()));
   __ j(not_equal, &slow);
   // Check that the value is a smi. If a conversion is needed call into the
@@ skipping 61 matching lines @@
   // ebx: index (as a smi)
   __ mov(Operand(ecx, ebx, times_2, FixedArray::kHeaderSize - kHeapObjectTag),
          eax);
   // Update write barrier for the elements array address.
   __ mov(edx, Operand(eax));
   __ RecordWrite(ecx, 0, edx, ebx);
   __ ret(0);
 }
 
 
+void KeyedStoreIC::GenerateExternalArray(MacroAssembler* masm,
+                                         ExternalArrayType array_type) {
+  GenerateGeneric(masm);
+}
+
+
 // Defined in ic.cc.
 Object* CallIC_Miss(Arguments args);
 
 void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   // -----------------------------------
   Label number, non_number, non_string, boolean, probe, miss;
 
   // Get the receiver of the function from the stack; 1 ~ return address.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
@@ skipping 530 matching lines @@
 
   // Do tail-call to runtime routine.
   __ TailCallRuntime(
       ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3, 1);
 }
 
 #undef __
 
 
 } }  // namespace v8::internal