Fix a regular expression problem when recognizing labels for string substitution.

--HG--
extra : convert_revision : ba398e1b434efda28882f159d5a4419302276371

diff --git a/src/arch/isa_parser.py b/src/arch/isa_parser.py
index 0cb7bfc56b81e54e41408bd904b41c13c44459a9..4c8d0706d9f35308a331d47e9ce5644b76b266b6 100755 (executable)
--- a/src/arch/isa_parser.py
+++ b/src/arch/isa_parser.py
@@ -1032,7 +1032,7 @@ def substBitOps(code):
 # Template objects are format strings that allow substitution from
 # the attribute spaces of other objects (e.g. InstObjParams instances).
 
-labelRE = re.compile(r'[^%]%\(([^\)]+)\)[sd]')
+labelRE = re.compile(r'(?<!%)%\(([^\)]+)\)[sd]')
 
 class Template:
     def __init__(self, t):