From d7a1085619c54eb267d1172cbb92d518a28725a3 Mon Sep 17 00:00:00 2001
From: emteere <47253321+emteere@users.noreply.github.com>
Date: Mon, 25 Jan 2021 15:21:47 -0500
Subject: [PATCH] GP-33_emteere Updated comment, read Status reg only once

---
 .../Processors/MIPS/data/languages/mips32Instructions.sinc   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Ghidra/Processors/MIPS/data/languages/mips32Instructions.sinc b/Ghidra/Processors/MIPS/data/languages/mips32Instructions.sinc
index 206456d91e..061a5a72bc 100644
--- a/Ghidra/Processors/MIPS/data/languages/mips32Instructions.sinc
+++ b/Ghidra/Processors/MIPS/data/languages/mips32Instructions.sinc
@@ -184,10 +184,11 @@ define pcodeop special2;
     Status = Status | 1;
 }
 
-# http://people.cs.pitt.edu/~don/coe1502/current/Unit4a/Unit4a.html
+# MIPS R3000 only, replaced with ERET >= R4000
 # 0100 0010 0000 0000 0000 0000 0001 0000
 :rfe                           is $(AMODE) & prime=0x10 & fct=0x10 & bit25=1 & copfill=0  {
-    Status = (Status & 0xfffffff0) | ((Status & 0x3c) >> 2);
+    local currentStatus = Status;
+    Status = (currentStatus & 0xfffffff0) | ((currentStatus & 0x3c) >> 2);
 }
 
 # 0100 0010 0000 0000 0000 0000 0001 1000