JIT: use XCHG in MOVTwo

Roughly the same speed or slightly faster depending on CPU; mostly just cleaner since we don't have to pass in a temp.
2014-09-10 22:17:38 -07:00
parent 67f7e7e28b
commit 5726e0cdfb
3 changed files with 6 additions and 8 deletions
@@ -756,7 +756,7 @@ public:
 	void ABI_CallFunctionRR(void *func, X64Reg reg1, X64Reg reg2);

 	// Helper method for the above, or can be used separately.
-	void MOVTwo(int bits, Gen::X64Reg dst1, Gen::X64Reg src1, Gen::X64Reg dst2, Gen::X64Reg src2, Gen::X64Reg temp);
+	void MOVTwo(int bits, Gen::X64Reg dst1, Gen::X64Reg src1, Gen::X64Reg dst2, Gen::X64Reg src2);

 	// Saves/restores the registers and adjusts the stack to be aligned as
 	// required by the ABI, where the previous alignment was as specified.