Intrinsify writing to Uint8 and Int8 arrays on IA32.

runtime/vm/intrinsifier_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intrinsifier.h"
 
 #include "vm/assembler.h"
@@ skipping 443 matching lines @@
                               R12,
                               TIMES_1,
                               Int8Array::data_offset()));
   __ SmiTag(RAX);
   __ ret();
   __ Bind(&fall_through);
   return false;
 }
 
 
+bool Intrinsifier::Int8Array_setIndexed(Assembler* assembler) {
+  Label fall_through;

[cshapiro, 2012/10/08 21:40:41]

Still a work in progress?  This should be otherwise identical to the 32-bit
code.

+  __ Bind(&fall_through);
+  return false;
+}
+
+
+bool Intrinsifier::Uint8Array_setIndexed(Assembler* assembler) {
+  Label fall_through;
+  __ Bind(&fall_through);
+  return false;
+}
+
+
 bool Intrinsifier::Uint8Array_getIndexed(Assembler* assembler) {
   Label fall_through;
   TestByteArrayIndex(assembler, &fall_through);
   __ SmiUntag(R12);
   __ movzxb(RAX, FieldAddress(RAX,
                               R12,
                               TIMES_1,
                               Uint8Array::data_offset()));
   __ SmiTag(RAX);
   __ ret();
@@ skipping 978 matching lines @@
   __ LoadObject(RAX, bool_true);
   __ ret();
   return true;
 }
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64