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[Bug tree-optimization/50802] [4.7 Regression] FAIL: gcc.c-torture/execute/arith-rand-ll.c execution at -O2 and -Os
- From: "dave.anglin at bell dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 27 Oct 2011 11:50:36 +0000
- Subject: [Bug tree-optimization/50802] [4.7 Regression] FAIL: gcc.c-torture/execute/arith-rand-ll.c execution at -O2 and -Os
- Auto-submitted: auto-generated
- References: <bug-50802-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50802
--- Comment #4 from dave.anglin at bell dot net 2011-10-27 11:50:36 UTC ---
On 27-Oct-11, at 7:21 AM, rguenth at gcc dot gnu.org wrote:
> Is (sizeof (int) == sizeof (long long))? What else could be target
> specific here? VRP is target agnostic ... can you post detail VRP
> dumps
> from before and after the patch?
No. My debugging indicated that the problem was signed char and
short. Maybe the issue is LOAD_EXTEND_OP which is ZERO_EXTEND
on pa.
I'll work on getting the dumps but it won't be before this evening,
maybe
weekend.
Dave
--
John David Anglin dave.anglin@bell.net