From 52ccfde2cdd4558e81e8eaf923c6952b3530ef0b Mon Sep 17 00:00:00 2001
From: Nathan Binkert <nate@binkert.org>
Date: Thu, 5 Nov 2009 17:21:25 -0800
Subject: [PATCH] isa_parser: allow negative integer literals

---
 src/arch/isa_parser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/arch/isa_parser.py b/src/arch/isa_parser.py
index 2db7c6aa6..bd45a8313 100755
--- a/src/arch/isa_parser.py
+++ b/src/arch/isa_parser.py
@@ -128,7 +128,7 @@ class ISAParser(Grammar):
 
     # Integer literal
     def t_INTLIT(self, t):
-        r'(0x[\da-fA-F]+)|\d+'
+        r'-?(0x[\da-fA-F]+)|\d+'
         try:
             t.value = int(t.value,0)
         except ValueError: