From 671be241051d318a0ea18a892aaf9d9609106568 Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Sun, 31 Dec 2017 16:44:47 -0800
Subject: [PATCH] irjit: Add extra temps to make lwl/swl/etc. easier.

---
 Core/MIPS/IR/IRInst.cpp         | 2 ++
 Core/MIPS/IR/IRInst.h           | 2 ++
 Core/MIPS/IR/IRPassSimplify.cpp | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/Core/MIPS/IR/IRInst.cpp b/Core/MIPS/IR/IRInst.cpp
index 2c216bf9c5..655a736cee 100644
--- a/Core/MIPS/IR/IRInst.cpp
+++ b/Core/MIPS/IR/IRInst.cpp
@@ -207,6 +207,8 @@ const char *GetGPRName(int r) {
 	switch (r) {
 	case IRTEMP_0: return "irtemp0";
 	case IRTEMP_1: return "irtemp1";
+	case IRTEMP_2: return "irtemp2";
+	case IRTEMP_3: return "irtemp3";
 	case IRTEMP_LHS: return "irtemp_lhs";
 	case IRTEMP_RHS: return "irtemp_rhs";
 	default: return "(unk)";
diff --git a/Core/MIPS/IR/IRInst.h b/Core/MIPS/IR/IRInst.h
index 50d9a6707d..1506542177 100644
--- a/Core/MIPS/IR/IRInst.h
+++ b/Core/MIPS/IR/IRInst.h
@@ -275,6 +275,8 @@ enum IRFpCompareMode {
 enum {
 	IRTEMP_0 = 192,
 	IRTEMP_1,
+	IRTEMP_2,
+	IRTEMP_3,
 	IRTEMP_LHS,  // Reserved for use in branches
 	IRTEMP_RHS,  // Reserved for use in branches
 
diff --git a/Core/MIPS/IR/IRPassSimplify.cpp b/Core/MIPS/IR/IRPassSimplify.cpp
index aba843689b..c8fdbafbbc 100644
--- a/Core/MIPS/IR/IRPassSimplify.cpp
+++ b/Core/MIPS/IR/IRPassSimplify.cpp
@@ -662,6 +662,8 @@ bool PurgeTemps(const IRWriter &in, IRWriter &out) {
 		switch (dest) {
 		case IRTEMP_0:
 		case IRTEMP_1:
+		case IRTEMP_2:
+		case IRTEMP_3:
 		case IRTEMP_LHS:
 		case IRTEMP_RHS:
 			// Unlike other ops, these don't need to persist between blocks.