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* [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes
@ 2021-10-26 17:04 ro at gcc dot gnu.org
2021-10-26 17:16 ` [Bug tree-optimization/102954] " ro at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: ro at gcc dot gnu.org @ 2021-10-26 17:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
Bug ID: 102954
Summary: [12 regression] gcc.dg/vect/pr33804.c XPASSes
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
Target Milestone: ---
Target: sparc*-sun-solaris2.11, armeb-none-linux-gnueabihf
Between 20210806 fd351c76c23187fdc74d9af6874a54e2e84c4d25() and 20210807
(f92f47785201d44cef91e2c4a9742fb503ce5316),
gcc.dg/vect/pr33804.c began to XPASS on 64-bit Solaris/SPARC and armeb-*:
XPASS: gcc.dg/vect/pr33804.c -flto -ffat-lto-objects scan-tree-dump-times vect
"vectorized 1 loops" 1
XPASS: gcc.dg/vect/pr33804.c -flto -ffat-lto-objects scan-tree-dump-times vect
"vectorizing stmts using SLP" 1
XPASS: gcc.dg/vect/pr33804.c scan-tree-dump-times vect "vectorized 1 loops" 1
XPASS: gcc.dg/vect/pr33804.c scan-tree-dump-times vect "vectorizing stmts using
SLP" 1
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/102954] [12 regression] gcc.dg/vect/pr33804.c XPASSes
2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
@ 2021-10-26 17:16 ` ro at gcc dot gnu.org
2021-10-27 7:16 ` [Bug testsuite/102954] " rguenth at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: ro at gcc dot gnu.org @ 2021-10-26 17:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.0
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/102954] [12 regression] gcc.dg/vect/pr33804.c XPASSes
2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
2021-10-26 17:16 ` [Bug tree-optimization/102954] " ro at gcc dot gnu.org
@ 2021-10-27 7:16 ` rguenth at gcc dot gnu.org
2021-10-27 10:44 ` ro at CeBiTec dot Uni-Bielefeld.DE
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-10-27 7:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|tree-optimization |testsuite
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
It was likely the vect_worthwhile_without_simd_p changes where we might now
vectorize this loop using (unaligned) 'int'.
Can you confirm that?
I'm not aware of any effective target we could use for this test - all
targets by default will try 'word_mode' vectorization (and hopefully
also allow that when having native vector support).
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/102954] [12 regression] gcc.dg/vect/pr33804.c XPASSes
2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
2021-10-26 17:16 ` [Bug tree-optimization/102954] " ro at gcc dot gnu.org
2021-10-27 7:16 ` [Bug testsuite/102954] " rguenth at gcc dot gnu.org
@ 2021-10-27 10:44 ` ro at CeBiTec dot Uni-Bielefeld.DE
2022-05-06 8:31 ` [Bug testsuite/102954] [12/13 " jakub at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: ro at CeBiTec dot Uni-Bielefeld.DE @ 2021-10-27 10:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
> It was likely the vect_worthwhile_without_simd_p changes where we might now
> vectorize this loop using (unaligned) 'int'.
>
> Can you confirm that?
Indeed. I've also noticed that another regression was caused by the
same change:
XPASS: gcc.dg/vect/slp-multitypes-3.c -flto -ffat-lto-objects
scan-tree-dump-times vect "vectorized 1 loops" 1
XPASS: gcc.dg/vect/slp-multitypes-3.c -flto -ffat-lto-objects
scan-tree-dump-times vect "vectorizing stmts using SLP" 2
XPASS: gcc.dg/vect/slp-multitypes-3.c scan-tree-dump-times vect "vectorized 1
loops" 1
XPASS: gcc.dg/vect/slp-multitypes-3.c scan-tree-dump-times vect "vectorizing
stmts using SLP" 2
Again 64-bit SPARC.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/102954] [12/13 regression] gcc.dg/vect/pr33804.c XPASSes
2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
` (2 preceding siblings ...)
2021-10-27 10:44 ` ro at CeBiTec dot Uni-Bielefeld.DE
@ 2022-05-06 8:31 ` jakub at gcc dot gnu.org
2023-05-08 12:22 ` [Bug testsuite/102954] [12/13/14 " rguenth at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2022-05-06 8:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|12.0 |12.2
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 12.1 is being released, retargeting bugs to GCC 12.2.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/102954] [12/13/14 regression] gcc.dg/vect/pr33804.c XPASSes
2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
` (3 preceding siblings ...)
2022-05-06 8:31 ` [Bug testsuite/102954] [12/13 " jakub at gcc dot gnu.org
@ 2023-05-08 12:22 ` rguenth at gcc dot gnu.org
2024-02-28 15:17 ` ro at gcc dot gnu.org
2024-02-28 15:17 ` ro at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-05-08 12:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|12.3 |12.4
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 12.3 is being released, retargeting bugs to GCC 12.4.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/102954] [12/13/14 regression] gcc.dg/vect/pr33804.c XPASSes
2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
` (4 preceding siblings ...)
2023-05-08 12:22 ` [Bug testsuite/102954] [12/13/14 " rguenth at gcc dot gnu.org
@ 2024-02-28 15:17 ` ro at gcc dot gnu.org
2024-02-28 15:17 ` ro at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: ro at gcc dot gnu.org @ 2024-02-28 15:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
--- Comment #6 from Rainer Orth <ro at gcc dot gnu.org> ---
Created attachment 57565
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57565&action=edit
64-bit sparc-sun-solaris2.11 pr33804.c.179t.vect
The issue persists as of 20240228.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug testsuite/102954] [12/13/14 regression] gcc.dg/vect/pr33804.c XPASSes
2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
` (5 preceding siblings ...)
2024-02-28 15:17 ` ro at gcc dot gnu.org
@ 2024-02-28 15:17 ` ro at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: ro at gcc dot gnu.org @ 2024-02-28 15:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102954
--- Comment #7 from Rainer Orth <ro at gcc dot gnu.org> ---
Created attachment 57566
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57566&action=edit
64-bit sparc-sun-solaris2.11 slp-multitypes-3.c.179t.vect
^ permalink raw reply [flat|nested] 8+ messages in thread
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2021-10-26 17:04 [Bug tree-optimization/102954] New: [12 regression] gcc.dg/vect/pr33804.c XPASSes ro at gcc dot gnu.org
2021-10-26 17:16 ` [Bug tree-optimization/102954] " ro at gcc dot gnu.org
2021-10-27 7:16 ` [Bug testsuite/102954] " rguenth at gcc dot gnu.org
2021-10-27 10:44 ` ro at CeBiTec dot Uni-Bielefeld.DE
2022-05-06 8:31 ` [Bug testsuite/102954] [12/13 " jakub at gcc dot gnu.org
2023-05-08 12:22 ` [Bug testsuite/102954] [12/13/14 " rguenth at gcc dot gnu.org
2024-02-28 15:17 ` ro at gcc dot gnu.org
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