http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
John David Anglin changed:
What|Removed |Added
CC||bernds at gcc dot gnu.org
--- Comment
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #2 from Bernd Schmidt 2012-05-16
22:30:53 UTC ---
What's it actually trying to access, and failing? Is dest NULL or something?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #3 from dave.anglin at bell dot net 2012-05-16 23:01:00 UTC ---
On 16-May-12, at 6:30 PM, bernds at gcc dot gnu.org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
>
> --- Comment #2 from Bernd Schmidt
> 2012-05-16 22:30:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #4 from Bernd Schmidt 2012-05-16
23:14:32 UTC ---
Created attachment 27427
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27427
Candidate patch
Ok, seriously weird call insns. If you can fix that in the port, it'll benefit
from
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #5 from dave.anglin at bell dot net 2012-05-17 00:18:46 UTC ---
On 16-May-12, at 7:14 PM, bernds at gcc dot gnu.org wrote:
> Ok, seriously weird call insns. If you can fix that in the port,
> it'll benefit
> from the optimization. Ot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #6 from dave.anglin at bell dot net 2012-05-17 01:52:03 UTC ---
On 16-May-12, at 7:14 PM, bernds at gcc dot gnu.org wrote:
> Ok, seriously weird call insns. If you can fix that in the port,
> it'll benefit
> from the optimization. Ot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #7 f
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #8 from Jakub Jelinek 2012-05-17
06:48:31 UTC ---
Note that e.g. dse.c (scan_insn) handles the AVX mem* just fine, but won't
handle this PA pattern because (set (reg) (call ...)) isn't the first thing in
the parallel. Any reason for
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #9 from dave.anglin at bell dot net 2012-05-17 14:39:41 UTC ---
On 5/17/2012 2:48 AM, jakub at gcc dot gnu.org wrote:
> Note that e.g. dse.c (scan_insn) handles the AVX mem* just fine, but won't
> handle this PA pattern because (set (re
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
--- Comment #10 from Jakub Jelinek 2012-05-17
14:53:21 UTC ---
For DSE it would be enough if just the call was first in the parallel and the
currently first set came after it. All sets in a parallel happen at the same
time...
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381
Richard Guenther changed:
What|Removed |Added
Target Milestone|--- |4.8.0
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