X64: Added implementations of Set(..., Immediate) to macro assembler.

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
diff --git a/src/x64/assembler-x64.cc b/src/x64/assembler-x64.cc
index 86e11653383ca2266c5a2dfaf3f95ea71ebed995..77f1a91bbcac87092dadfe577c80813463dc5733 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -504,6 +504,16 @@ void Assembler::jmp(Register target) {
 }
 
 
+void Assembler::movl(Register dst, Immediate value) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_optional_rex_32(dst);
+  emit(0xC7);
+  emit(0xC0 | (dst.code() & 0x7));
+  emit(value);  // Only 32-bit immediates are possible, not 8-bit immediates.
+}
+
+
 void Assembler::movq(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -541,6 +551,15 @@ void Assembler::movq(Register dst, int64_t value, RelocInfo::Mode rmode) {
 }
 
 
+void Assembler::movq(const Operand& dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(src, dst);
+  emit(0x89);
+  emit_operand(src, dst);
+}
+
+
 void Assembler::neg(Register dst) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;