From c239d3b74ba618c8a3437872fd0a89a8d0fa5796 Mon Sep 17 00:00:00 2001
From: LegendOfDragoon <the_f1u@yahoo.com>
Date: Mon, 22 Aug 2016 13:12:34 -0700
Subject: [PATCH] Optimize ANDI in RSP Recompiler

Seems to be use often enough.
---
 Source/RSP/Recompiler Ops.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/RSP/Recompiler Ops.c b/Source/RSP/Recompiler Ops.c
index c5cbda3ef..34166b5dd 100644
--- a/Source/RSP/Recompiler Ops.c	
+++ b/Source/RSP/Recompiler Ops.c	
@@ -563,6 +563,9 @@ void Compile_ANDI ( void ) {
 		AndConstToVariable(Immediate, &RSP_GPR[RSPOpC.rt].UW, GPR_Name(RSPOpC.rt));
 	} else if (RSPOpC.rs == 0) {
 		MoveConstToVariable(0, &RSP_GPR[RSPOpC.rt].UW, GPR_Name(RSPOpC.rt));
+	} else if (Immediate == 0xFFFF) {
+		MoveZxVariableToX86reg(&RSP_GPR[RSPOpC.rs].UW, GPR_Name(RSPOpC.rs), x86_EAX);
+		MoveX86regToVariable(x86_EAX, &RSP_GPR[RSPOpC.rt].UW, GPR_Name(RSPOpC.rt));
 	} else {
 		MoveVariableToX86reg(&RSP_GPR[RSPOpC.rs].UW, GPR_Name(RSPOpC.rs), x86_EAX);
 		AndConstToX86Reg(x86_EAX, Immediate);