X64: Addition binary operation.

src/x64/assembler-x64-inl.h

Index: src/x64/assembler-x64-inl.h
diff --git a/src/x64/assembler-x64-inl.h b/src/x64/assembler-x64-inl.h
index bcdf3f4d622260d5793c167b91de8026fad9d57e..196f2eedbd474cf855b7a1ecef304e5b6f9c0ff6 100644
--- a/src/x64/assembler-x64-inl.h
+++ b/src/x64/assembler-x64-inl.h
@@ -29,6 +29,7 @@
 #define V8_X64_ASSEMBLER_X64_INL_H_
 
 #include "cpu.h"
+#include "memory.h"
 
 namespace v8 {
 namespace internal {
@@ -74,11 +75,21 @@ void Assembler::emit_rex_64(Register reg, Register rm_reg) {
 }
 
 
+void Assembler::emit_rex_64(XMMRegister reg, Register rm_reg) {
+  emit(0x48 | (reg.code() & 0x8) >> 1 | rm_reg.code() >> 3);
+}
+
+
 void Assembler::emit_rex_64(Register reg, const Operand& op) {
   emit(0x48 | reg.high_bit() << 2 | op.rex_);
 }
 
 
+void Assembler::emit_rex_64(XMMRegister reg, const Operand& op) {
+  emit(0x48 | (reg.code() & 0x8) >> 1 | op.rex_);
+}
+
+
 void Assembler::emit_rex_64(Register rm_reg) {
   ASSERT_EQ(rm_reg.code() & 0xf, rm_reg.code());
   emit(0x48 | rm_reg.high_bit());
@@ -122,6 +133,24 @@ void Assembler::emit_optional_rex_32(Register reg, const Operand& op) {
 }
 
 
+void Assembler::emit_optional_rex_32(XMMRegister reg, const Operand& op) {
+  byte rex_bits =  (reg.code() & 0x8) >> 1 | op.rex_;
+  if (rex_bits != 0) emit(0x40 | rex_bits);
+}
+
+
+void Assembler::emit_optional_rex_32(XMMRegister reg, XMMRegister base) {
+  byte rex_bits =  (reg.code() & 0x8) >> 1 | (base.code() & 0x8) >> 3;
+  if (rex_bits != 0) emit(0x40 | rex_bits);
+}
+
+
+void Assembler::emit_optional_rex_32(XMMRegister reg, Register base) {
+  byte rex_bits =  (reg.code() & 0x8) >> 1 | (base.code() & 0x8) >> 3;
+  if (rex_bits != 0) emit(0x40 | rex_bits);
+}
+
+
 void Assembler::emit_optional_rex_32(Register rm_reg) {
   if (rm_reg.high_bit()) emit(0x41);
 }