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[Bug middle-end/38609] [4.4 Regression]: gcc.c-torture/execute/built-in-setjmp.c execute -O2 and above
- From: "hp at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Dec 2008 18:30:09 -0000
- Subject: [Bug middle-end/38609] [4.4 Regression]: gcc.c-torture/execute/built-in-setjmp.c execute -O2 and above
- References: <bug-38609-507@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from hp at gcc dot gnu dot org 2008-12-23 18:30 -------
(In reply to comment #1)
> I haven't read the whole RTL till the last phase, so I don't know where things
> went wrong, but I'm pretty sure the bug isn't in DSE and the recent changes,
It might very well be that your change exposed a bug elsewhere...
> so cris had just some latent bug.
...but FWIW in either case, this is a faulty conclusion; there is more code
than the back-end. I'll try to point to it, but I hope I can get assistance if
the trace points at code you understand.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38609