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[Bug tree-optimization/53986] missing vrp on bit-mask test, LSHIFT_EXPR not handled
- From: "stevenb.gcc at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 05 Aug 2012 13:53:30 +0000
- Subject: [Bug tree-optimization/53986] missing vrp on bit-mask test, LSHIFT_EXPR not handled
- Auto-submitted: auto-generated
- References: <bug-53986-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53986
--- Comment #7 from stevenb.gcc at gmail dot com <stevenb.gcc at gmail dot com> 2012-08-05 13:53:30 UTC ---
On Sun, Aug 5, 2012 at 3:32 PM, vries at gcc dot gnu.org
<gcc-bugzilla@gcc.gnu.org> wrote:
> I think you forgot the cast to unsigned after the add that represents the
> currently generated code:
It would seem so...
Anyway, I am quite sure to remember correctly that I had the unsigned
before the add, and it caused bootstrap or test issues. But as always,
patches welcome :-)