RegExp bitmap test for word character.

src/ia32/assembler-ia32.cc

Index: src/ia32/assembler-ia32.cc
diff --git a/src/ia32/assembler-ia32.cc b/src/ia32/assembler-ia32.cc
index 0e9ffeaab89d8bf4da01eb73689e87b3f50be1ae..2cf469aeb889c4ef8800bf4a741859d4aad30b25 100644
--- a/src/ia32/assembler-ia32.cc
+++ b/src/ia32/assembler-ia32.cc
@@ -1261,6 +1261,14 @@ void Assembler::test(Register reg, const Operand& op) {
 }
 
 
+void Assembler::test_b(Register reg, const Operand& op) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0x84);
+  emit_operand(reg, op);
+}
+
+
 void Assembler::test(const Operand& op, const Immediate& imm) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;