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Re: or1k/opcodes: ISO C version compatibility issues

On Wed, May 21, 2014 at 04:47:20PM -0400, Peter Gavin wrote:
> On Wed, May 21, 2014 at 4:44 PM, Maciej W. Rozycki
> <>wrote:
> > (also for or1k-desc.c).  I have been able to make the files compile with
> > the change below, however these are generated files and a suitable change
> > would have to be applied to cpu/or1kcommon.cpu instead.  Unfortunately
> > that source has been written in Scheme that I have no immediate skills to
> > correct.  Would you please look into making the correct update to the
> > Scheme source?
> >
> I think this is actually a bug in CGEN, and needs to be changed there.

Without claiming any scheme skills, I think something like the patch below
should do it.


diff --git a/cgen/enum.scm b/cgen/enum.scm
index 4279b00..d56a1a3 100644
--- a/cgen/enum.scm
+++ b/cgen/enum.scm
@@ -298,7 +298,10 @@
 		     (string-append " = "
 				    (if (number? (cadr e))
-					(number->string (cadr e))
+					(string-append (number->string (cadr e))
+						       (if (> (cadr e)
+							      #x80000000)
+							   "u" ""))
 					(cadr e))))
 	       (if (and san? include-sanitize-marker?)

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