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* [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
@ 2022-01-06 22:02 seurer at gcc dot gnu.org
2022-01-06 22:06 ` [Bug testsuite/103935] " pinskia at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: seurer at gcc dot gnu.org @ 2022-01-06 22:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
Bug ID: 103935
Summary: [12 regression] g++.dg/vect/slp-pr98855.cc fails after
r12-6273
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:c166632bd22d7da66354121502019fc9c92ef07f, r12-6273
make -k check-gcc RUNTESTFLAGS="--target_board=unix'{-m64}'
vect.exp=g++.dg/vect/slp-pr98855.cc"
FAIL: g++.dg/vect/slp-pr98855.cc -std=c++98 scan-tree-dump slp1 "not
vectorized: vectorization is not profitable"
FAIL: g++.dg/vect/slp-pr98855.cc -std=c++14 scan-tree-dump slp1 "not
vectorized: vectorization is not profitable"
FAIL: g++.dg/vect/slp-pr98855.cc -std=c++17 scan-tree-dump slp1 "not
vectorized: vectorization is not profitable"
FAIL: g++.dg/vect/slp-pr98855.cc -std=c++2a scan-tree-dump slp1 "not
vectorized: vectorization is not profitable"
# of expected passes 8
# of unexpected failures 4
I am only seeing this on power 7 systems so it may be some vector thing not
supported there. Hrm. Looks like the failing test case was changed.
commit c166632bd22d7da66354121502019fc9c92ef07f
Author: Uros Bizjak <ubizjak@gmail.com>
Date: Wed Jan 5 23:16:34 2022 +0100
i386: Introduce V2QImode minmax, abs and uavgv2hi3_ceil [PR103861]
Add V2QImode minmax, abs and uavxv2qi3_ceil operations with SSE registers.
. . .
* g++.dg/vect/slp-pr98855.cc (dg-final): Check that
no vectorization using SLP was performed.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/103935] [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
@ 2022-01-06 22:06 ` pinskia at gcc dot gnu.org
2022-01-06 22:33 ` ubizjak at gmail dot com
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-01-06 22:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.0
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/103935] [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
2022-01-06 22:06 ` [Bug testsuite/103935] " pinskia at gcc dot gnu.org
@ 2022-01-06 22:33 ` ubizjak at gmail dot com
2022-01-10 10:43 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: ubizjak at gmail dot com @ 2022-01-06 22:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
As said in the patch submission:
I have changed scan-tree-dump patterns in g++.dg/vect/slp-pr98855.cc
to check that no SLP vectorization was performed. The existing
scan-tree-dump-times was too fragile, since the message was output for
every vectorization mode.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/103935] [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
2022-01-06 22:06 ` [Bug testsuite/103935] " pinskia at gcc dot gnu.org
2022-01-06 22:33 ` ubizjak at gmail dot com
@ 2022-01-10 10:43 ` rguenth at gcc dot gnu.org
2022-01-10 11:05 ` ubizjak at gmail dot com
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-01-10 10:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Well, it was
// This used to work on { target x86_64-*-* i?86-*-* } but a fix in SLP
// discovery makes us trip over the threshold again.
// { dg-final { scan-tree-dump-times "not vectorized: vectorization is not prof
itable" 2 "slp1" { xfail *-*-* } } }
and it was xfailed, but you changed it to
// { dg-final { scan-tree-dump "not vectorized: vectorization is not profitable
" "slp1" } }
// { dg-final { scan-tree-dump-not "vectorizing stmts using SLP" "slp1" } }
no longer xfailed. I suggest to re-add the { xfail *-*-* } to the
profitability
check.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/103935] [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
` (2 preceding siblings ...)
2022-01-10 10:43 ` rguenth at gcc dot gnu.org
@ 2022-01-10 11:05 ` ubizjak at gmail dot com
2022-01-10 11:14 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: ubizjak at gmail dot com @ 2022-01-10 11:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Richard Biener from comment #2)
> no longer xfailed. I suggest to re-add the { xfail *-*-* } to the
> profitability check.
You mean xfail for non-x86 targets?
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/103935] [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
` (3 preceding siblings ...)
2022-01-10 11:05 ` ubizjak at gmail dot com
@ 2022-01-10 11:14 ` rguenth at gcc dot gnu.org
2022-01-12 19:39 ` cvs-commit at gcc dot gnu.org
2022-01-12 19:47 ` ubizjak at gmail dot com
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-01-10 11:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Uroš Bizjak from comment #3)
> (In reply to Richard Biener from comment #2)
> > no longer xfailed. I suggest to re-add the { xfail *-*-* } to the
> > profitability check.
>
> You mean xfail for non-x86 targets?
Yes (if it now works consistently on x86 targets)
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/103935] [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
` (4 preceding siblings ...)
2022-01-10 11:14 ` rguenth at gcc dot gnu.org
@ 2022-01-12 19:39 ` cvs-commit at gcc dot gnu.org
2022-01-12 19:47 ` ubizjak at gmail dot com
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-01-12 19:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:
https://gcc.gnu.org/g:e1503b9a3d2f480d3df42823cd47c3b6c12f5564
commit r12-6534-ge1503b9a3d2f480d3df42823cd47c3b6c12f5564
Author: Uros Bizjak <ubizjak@gmail.com>
Date: Wed Jan 12 20:38:42 2022 +0100
testsuite: Compile g++.dg/vect/slp-pr98855.cc only for x86 targets
[PR103935]
The testcase is x86 specific, other targets have different costs defined.
2022-01-12 Uroš Bizjak <ubizjak@gmail.com>
gcc/testsuite/ChangeLog:
PR target/103935
* g++.dg/vect/slp-pr98855.cc: Compile only for x86 targets.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/103935] [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273
2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
` (5 preceding siblings ...)
2022-01-12 19:39 ` cvs-commit at gcc dot gnu.org
@ 2022-01-12 19:47 ` ubizjak at gmail dot com
6 siblings, 0 replies; 8+ messages in thread
From: ubizjak at gmail dot com @ 2022-01-12 19:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103935
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> ---
Fixed.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2022-01-06 22:02 [Bug other/103935] New: [12 regression] g++.dg/vect/slp-pr98855.cc fails after r12-6273 seurer at gcc dot gnu.org
2022-01-06 22:06 ` [Bug testsuite/103935] " pinskia at gcc dot gnu.org
2022-01-06 22:33 ` ubizjak at gmail dot com
2022-01-10 10:43 ` rguenth at gcc dot gnu.org
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