Extends testb and cmpb/cmpw instruction support in the ia32 assembler.

src/regexp/ia32/regexp-macro-assembler-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/regexp/ia32/regexp-macro-assembler-ia32.h"
 
 #include "src/log.h"
 #include "src/macro-assembler.h"
@@ skipping 493 matching lines @@
 void RegExpMacroAssemblerIA32::CheckBitInTable(
     Handle<ByteArray> table,
     Label* on_bit_set) {
   __ mov(eax, Immediate(table));
   Register index = current_character();
   if (mode_ != LATIN1 || kTableMask != String::kMaxOneByteCharCode) {
     __ mov(ebx, kTableSize - 1);
     __ and_(ebx, current_character());
     index = ebx;
   }
-  __ cmpb(FieldOperand(eax, index, times_1, ByteArray::kHeaderSize), 0);
+  __ cmpb(FieldOperand(eax, index, times_1, ByteArray::kHeaderSize),
+          Immediate(0));
   BranchOrBacktrack(not_equal, on_bit_set);
 }
 
 
 bool RegExpMacroAssemblerIA32::CheckSpecialCharacterClass(uc16 type,
                                                           Label* on_no_match) {
   // Range checks (c in min..max) are generally implemented by an unsigned
   // (c - min) <= (max - min) check
   switch (type) {
   case 's':
@@ skipping 739 matching lines @@
 
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32