Add MacroAssembler::Move(reg, immediate) on IA32.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index cc0f392f185212826144898536c1945fef233d7f..4c9764beb7497cf90bb58d4f39c4abba148c6f1b 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2833,6 +2833,15 @@ void MacroAssembler::Move(Register dst, Register src) {
 }
 
 
+void MacroAssembler::Move(Register dst, Immediate imm) {
+  if (imm.is_zero()) {
+    xor_(dst, dst);
+  } else {
+    mov(dst, imm);
+  }
+}
+
+
 void MacroAssembler::SetCounter(StatsCounter* counter, int value) {
   if (FLAG_native_code_counters && counter->Enabled()) {
     mov(Operand::StaticVariable(ExternalReference(counter)), Immediate(value));