From 39fb4354a5b75384cec66cc215062ac236b020d3 Mon Sep 17 00:00:00 2001
From: Ry <ryanst755@gmail.com>
Date: Tue, 7 Feb 2023 01:20:24 -0800
Subject: [PATCH] rv2fox: Use `rfp` as the temporary register instead of `r0`

---
 gcc/rv2fox | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/rv2fox b/gcc/rv2fox
index ca6eb6e..552ecd0 100755
--- a/gcc/rv2fox
+++ b/gcc/rv2fox
@@ -157,7 +157,7 @@ class Converter:
         self.regidx = { r: i for i, r in enumerate(self.regs) }
         self.xregidx = { r: i for i, r in enumerate(self.xregs) }
 
-        self.tmp = 'r0' # temporary register
+        self.tmp = 'rfp' # temporary register
         self.branches = ['bge', 'bgeu', 'blt', 'bltu', 'ble', 'bleu', 'bne', 'bneu']
 
         self.label_gen = iter(range(1000000))