Implement crankshaft support for pixel array stores.

src/arm/lithium-arm.h

 // 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 1148 matching lines @@
   }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFastElement, "load-keyed-fast-element")
   DECLARE_HYDROGEN_ACCESSOR(LoadKeyedFastElement)
 
   LOperand* elements() { return inputs_[0]; }
   LOperand* key() { return inputs_[1]; }
 };
 
 
+class LStorePixelArrayElement: public LTemplateInstruction<0, 3, 1> {

[Kevin Millikin (Chromium), 2011/02/16 08:51:25]

You should just delete this instruction because it's not used yet on the
backend.

[danno, 2011/02/16 13:54:22]

Done.

+ public:
+  LStorePixelArrayElement(LOperand* external_pointer,
+                          LOperand* key,
+                          LOperand* val,
+                          LOperand* clamped) {
+    inputs_[0] = external_pointer;
+    inputs_[1] = key;
+    inputs_[2] = val;
+    temps_[0] = clamped;
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(StorePixelArrayElement,
+                               "store-pixel-array-element")
+  DECLARE_HYDROGEN_ACCESSOR(StorePixelArrayElement)
+
+  LOperand* external_pointer() { return inputs_[0]; }
+  LOperand* key() { return inputs_[1]; }
+  LOperand* value() { return inputs_[2]; }
+};
+
+
 class LLoadPixelArrayElement: public LTemplateInstruction<1, 2, 0> {
  public:
   LLoadPixelArrayElement(LOperand* external_pointer, LOperand* key) {
     inputs_[0] = external_pointer;
     inputs_[1] = key;
   }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadPixelArrayElement,
                                "load-pixel-array-element")
   DECLARE_HYDROGEN_ACCESSOR(LoadPixelArrayElement)
@@ skipping 837 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_LITHIUM_ARM_H_