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

src/ia32/macro-assembler-ia32.h

 // Copyright 2006-2009 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 188 matching lines @@
                           Register scratch,
                           Label* gc_required,
                           AllocationFlags flags);
 
   // Undo allocation in new space. The object passed and objects allocated after
   // it will no longer be allocated. Make sure that no pointers are left to the
   // object(s) no longer allocated as they would be invalid when allocation is
   // un-done.
   void UndoAllocationInNewSpace(Register object);
 
+  // Allocate a heap number in new space with undefined value. The
+  // register scratch2 can be passed as no_reg; the others must be
+  // valid registers. Returns tagged pointer in result register, or
+  // jumps to gc_required if new space is full.
+  void AllocateHeapNumber(Register result,
+                          Register scratch1,
+                          Register scratch2,
+                          Label* gc_required);
+
   // ---------------------------------------------------------------------------
   // Support functions.
 
   // Check if result is zero and op is negative.
   void NegativeZeroTest(Register result, Register op, Label* then_label);
 
   // Check if result is zero and op is negative in code using jump targets.
   void NegativeZeroTest(CodeGenerator* cgen,
                         Register result,
                         Register op,
@@ skipping 183 matching lines @@
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_MACRO_ASSEMBLER_IA32_H_