Generated code for substring slices in ia32.

src/arm/lithium-codegen-arm.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 3455 matching lines @@
   __ ldr(result, FieldMemOperand(string, HeapObject::kMapOffset));
   __ ldrb(result, FieldMemOperand(result, Map::kInstanceTypeOffset));
 
   // We need special handling for indirect strings.
   Label check_sequential;
   __ tst(result, Operand(kIsIndirectStringMask));
   __ b(eq, &check_sequential);
 
   // Dispatch on the indirect string shape: slice or cons.
   Label cons_string;
-  const uint32_t kSlicedNotConsMask = kSlicedStringTag & ~kConsStringTag;
-  ASSERT(IsPowerOf2(kSlicedNotConsMask) && kSlicedNotConsMask != 0);
   __ tst(result, Operand(kSlicedNotConsMask));
   __ b(eq, &cons_string);
 
   // Handle slices.
   Label indirect_string_loaded;
   __ ldr(result, FieldMemOperand(string, SlicedString::kOffsetOffset));
   __ add(index, index, Operand(result, ASR, kSmiTagSize));
   __ ldr(string, FieldMemOperand(string, SlicedString::kParentOffset));
   __ jmp(&indirect_string_loaded);
 
@@ skipping 1022 matching lines @@
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 
 
 
 #undef __
 
 } }  // namespace v8::internal