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* [Bug tree-optimization/113863] New: [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768
@ 2024-02-10 13:38 ppalka at gcc dot gnu.org
2024-02-10 20:29 ` [Bug tree-optimization/113863] " pinskia at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: ppalka at gcc dot gnu.org @ 2024-02-10 13:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113863
Bug ID: 113863
Summary: [14 Regression] ICE verify_ssa failed with -O3
-msse4.1 since r14-8768
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: ppalka at gcc dot gnu.org
Target Milestone: ---
$ cat sort.cc
void test_sort_helper(int *);
int test_sort_driver_driver_real_last;
void test_sort_driver_driver(int start, int *e, int *f) {
for (int *l = e; l > f;) {
*--l = start;
if (f == l)
test_sort_helper(&test_sort_driver_driver_real_last);
if (start)
test_sort_driver_driver(start - 1, e, f);
}
}
$ gcc -O3 -msse4.1 sort.ii
sort.ii: In function ‘void test_sort_driver_driver(int, int*, int*)’:
sort.ii:3:6: error: definition in block 167 does not dominate use in block 166
3 | void test_sort_driver_driver(int start, int *e, int *f) {
| ^~~~~~~~~~~~~~~~~~~~~~~
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/113863] [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768
2024-02-10 13:38 [Bug tree-optimization/113863] New: [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768 ppalka at gcc dot gnu.org
@ 2024-02-10 20:29 ` pinskia at gcc dot gnu.org
2024-02-10 20:31 ` pinskia at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2024-02-10 20:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113863
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
CC| |pinskia at gcc dot gnu.org
Target Milestone|--- |14.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/113863] [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768
2024-02-10 13:38 [Bug tree-optimization/113863] New: [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768 ppalka at gcc dot gnu.org
2024-02-10 20:29 ` [Bug tree-optimization/113863] " pinskia at gcc dot gnu.org
@ 2024-02-10 20:31 ` pinskia at gcc dot gnu.org
2024-02-12 8:43 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2024-02-10 20:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113863
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2024-02-10
Target| |aarch64 x86_64
Ever confirmed|0 |1
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Also ICEs at -O3 for aarch64.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/113863] [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768
2024-02-10 13:38 [Bug tree-optimization/113863] New: [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768 ppalka at gcc dot gnu.org
2024-02-10 20:29 ` [Bug tree-optimization/113863] " pinskia at gcc dot gnu.org
2024-02-10 20:31 ` pinskia at gcc dot gnu.org
@ 2024-02-12 8:43 ` rguenth at gcc dot gnu.org
2024-02-12 10:53 ` cvs-commit at gcc dot gnu.org
2024-02-12 10:53 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-02-12 8:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113863
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Status|NEW |ASSIGNED
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
It looks OK after peeling. LOOP_VINFO_EARLY_BRK_VUSES is empty, but we have
a stray virtual PHI in the body we fail to update:
<bb 167> [local count: 446046556]:
# .MEM_164 = PHI <.MEM_163(166)>
if (f_8(D) < l_162)
goto <bb 169>; [88.31%]
else
goto <bb 207>; [11.69%]
things go downhill from here.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/113863] [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768
2024-02-10 13:38 [Bug tree-optimization/113863] New: [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768 ppalka at gcc dot gnu.org
` (2 preceding siblings ...)
2024-02-12 8:43 ` rguenth at gcc dot gnu.org
@ 2024-02-12 10:53 ` cvs-commit at gcc dot gnu.org
2024-02-12 10:53 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2024-02-12 10:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113863
--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:1e3f78dbb328a2f2db8def241372cb947d9cb7eb
commit r14-8925-g1e3f78dbb328a2f2db8def241372cb947d9cb7eb
Author: Richard Biener <rguenther@suse.de>
Date: Mon Feb 12 10:40:42 2024 +0100
tree-optimization/113863 - elide degenerate virtual PHIs when moving ee
stores
This makes sure to elide degenerate virtual PHIs when moving stores
across early exits.
PR tree-optimization/113863
* tree-vect-data-refs.cc (vect_analyze_early_break_dependences):
Record crossed virtual PHIs.
* tree-vect-loop.cc (move_early_exit_stmts): Elide crossed
virtual PHIs.
* gcc.dg/vect/pr113863.c: New testcase.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/113863] [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768
2024-02-10 13:38 [Bug tree-optimization/113863] New: [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768 ppalka at gcc dot gnu.org
` (3 preceding siblings ...)
2024-02-12 10:53 ` cvs-commit at gcc dot gnu.org
@ 2024-02-12 10:53 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-02-12 10:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113863
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2024-02-12 10:53 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2024-02-10 13:38 [Bug tree-optimization/113863] New: [14 Regression] ICE verify_ssa failed with -O3 -msse4.1 since r14-8768 ppalka at gcc dot gnu.org
2024-02-10 20:29 ` [Bug tree-optimization/113863] " pinskia at gcc dot gnu.org
2024-02-10 20:31 ` pinskia at gcc dot gnu.org
2024-02-12 8:43 ` rguenth at gcc dot gnu.org
2024-02-12 10:53 ` cvs-commit at gcc dot gnu.org
2024-02-12 10:53 ` rguenth at gcc dot gnu.org
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