Add test_b(Operand, immediate) to ia32 assembler, and use it where possible. ...

src/ia32/assembler-ia32.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 1310 matching lines @@
 
 void Assembler::test(const Operand& op, const Immediate& imm) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   EMIT(0xF7);
   emit_operand(eax, op);
   emit(imm);
 }
 
 
+void Assembler::test_b(const Operand& op, uint8_t imm8) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xF6);
+  emit_operand(eax, op);
+  EMIT(imm8);
+}
+
+
 void Assembler::xor_(Register dst, int32_t imm32) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_arith(6, Operand(dst), Immediate(imm32));
 }
 
 
 void Assembler::xor_(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ skipping 1200 matching lines @@
     fprintf(coverage_log, "%s\n", file_line);
     fflush(coverage_log);
   }
 }
 
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32