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* [Bug tree-optimization/106237] New: [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946
@ 2022-07-08 19:37 seurer at gcc dot gnu.org
2022-07-11 6:46 ` [Bug tree-optimization/106237] " rguenth at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: seurer at gcc dot gnu.org @ 2022-07-08 19:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106237
Bug ID: 106237
Summary: [13 regression] serveral tests begin ICEing starting
with r13-1575-gcf3a120084e946
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:cf3a120084e94614a4917f71940325cd4b537f24, r13-1575-gcf3a120084e946
Related to, or maybe the same as, the later failure reported for power 7 BE in
PR106228 perhaps? These fail in the same place but fail for power 8, 9, and 10
little endian and power 8 big endian.
FAIL: gcc.target/powerpc/pr56605.c (internal compiler error: in
vect_transform_loops, at tree-vectorizer.cc:1032)
FAIL: gcc.target/powerpc/pr56605.c (test for excess errors)
FAIL: gcc.target/powerpc/pr60137.c (internal compiler error: in
vect_transform_loops, at tree-vectorizer.cc:1032)
FAIL: gcc.target/powerpc/pr60137.c (test for excess errors)
FAIL: gcc.target/powerpc/vsx-vectorize-2.c (internal compiler error: in
vect_transform_loops, at tree-vectorizer.cc:1032)
FAIL: gcc.target/powerpc/vsx-vectorize-2.c (test for excess errors)
FAIL: gcc.target/powerpc/vsx-vectorize-2.c scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.target/powerpc/vsx-vectorize-3.c (internal compiler error: in
vect_transform_loops, at tree-vectorizer.cc:1032)
FAIL: gcc.target/powerpc/vsx-vectorize-3.c (test for excess errors)
FAIL: gcc.target/powerpc/vsx-vectorize-3.c scan-tree-dump-times vect
"vectorized 1 loops" 1
FAIL: gcc.target/powerpc/vsx-vectorize-7.c (internal compiler error: in
vect_transform_loops, at tree-vectorizer.cc:1032)
FAIL: gcc.target/powerpc/vsx-vectorize-7.c (test for excess errors)
FAIL: gcc.target/powerpc/vsx-vectorize-7.c scan-tree-dump-times vect
"vectorized 1 loops" 1
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.target/powerpc/pr56605.c
-fdiagnostics-plain-output -O3 -mvsx -mdejagnu-cpu=power7 -fno-unroll-loops
-fdump-rtl-combine -ffat-lto-objects -S -o pr56605.s
during GIMPLE pass: vect
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.target/powerpc/pr56605.c: In
function 'foo':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.target/powerpc/pr56605.c:7:6:
internal compiler error: in vect_transform_loops, at tree-vectorizer.cc:1032
0x1104fca3 vect_transform_loops
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.cc:1032
0x1105016f try_vectorize_loop_1
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.cc:1153
0x1105016f try_vectorize_loop
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.cc:1183
0x110508f3 execute
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.cc:1299
commit cf3a120084e94614a4917f71940325cd4b537f24 (HEAD, refs/bisect/bad)
Author: Richard Biener <rguenther@suse.de>
Date: Fri Jul 8 10:41:59 2022 +0200
tree-optimization/106226 - move vectorizer virtual SSA update
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/106237] [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946
2022-07-08 19:37 [Bug tree-optimization/106237] New: [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946 seurer at gcc dot gnu.org
@ 2022-07-11 6:46 ` rguenth at gcc dot gnu.org
2022-07-11 15:40 ` seurer at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-07-11 6:46 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106237
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Target Milestone|--- |13.0
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2022-07-11
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
They seem to all use -mdejagnu-cpu=power7 if I'm looking correctly. Can you
re-check after the PR106228 fix is in?
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/106237] [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946
2022-07-08 19:37 [Bug tree-optimization/106237] New: [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946 seurer at gcc dot gnu.org
2022-07-11 6:46 ` [Bug tree-optimization/106237] " rguenth at gcc dot gnu.org
@ 2022-07-11 15:40 ` seurer at gcc dot gnu.org
2022-07-13 6:04 ` rguenth at gcc dot gnu.org
2022-07-15 20:16 ` seurer at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: seurer at gcc dot gnu.org @ 2022-07-11 15:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106237
--- Comment #2 from seurer at gcc dot gnu.org ---
They use whichever mcpu matches the machine.
The ICEs are fixed but there is a different problem introduced with your fix
g:79f18ac6b7ab7744fcf8937ea4bc0c40f3efc629, r13-1599-g79f18ac6b7ab77
make -k check-gcc RUNTESTFLAGS="powerpc.exp=gcc.target/powerpc/pr56605.c"
FAIL: gcc.target/powerpc/pr56605.c scan-rtl-dump-times combine "\\(compare:CC
\\((?:and|zero_extend):(?:[SD]I) \\((?:sub)?reg:[SD]I" 1
which might just be the test case needing updating I suppose. It occurs on the
same machines as the original problem. It still fails with current trunk.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/106237] [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946
2022-07-08 19:37 [Bug tree-optimization/106237] New: [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946 seurer at gcc dot gnu.org
2022-07-11 6:46 ` [Bug tree-optimization/106237] " rguenth at gcc dot gnu.org
2022-07-11 15:40 ` seurer at gcc dot gnu.org
@ 2022-07-13 6:04 ` rguenth at gcc dot gnu.org
2022-07-15 20:16 ` seurer at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-07-13 6:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106237
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|WAITING |RESOLVED
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to seurer from comment #2)
> They use whichever mcpu matches the machine.
>
> The ICEs are fixed but there is a different problem introduced with your fix
> g:79f18ac6b7ab7744fcf8937ea4bc0c40f3efc629, r13-1599-g79f18ac6b7ab77
That just exposed what previously ICEd I think.
> make -k check-gcc RUNTESTFLAGS="powerpc.exp=gcc.target/powerpc/pr56605.c"
> FAIL: gcc.target/powerpc/pr56605.c scan-rtl-dump-times combine
> "\\(compare:CC \\((?:and|zero_extend):(?:[SD]I) \\((?:sub)?reg:[SD]I" 1
>
> which might just be the test case needing updating I suppose. It occurs on
> the same machines as the original problem. It still fails with current
> trunk.
I can see this with a cross to ppc64le as well, the pattern matches two times.
It's not clear to me what the testcase intends to test - it lacks a comment :/
c3d2600cfb476^ also exhibits this problem, so does d2a898666609^ so this
problem must exist for longer time and it seems unrelated to this issue at
hand. Can you properly bisect and open a different bugreport for this?
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/106237] [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946
2022-07-08 19:37 [Bug tree-optimization/106237] New: [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946 seurer at gcc dot gnu.org
` (2 preceding siblings ...)
2022-07-13 6:04 ` rguenth at gcc dot gnu.org
@ 2022-07-15 20:16 ` seurer at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: seurer at gcc dot gnu.org @ 2022-07-15 20:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106237
--- Comment #4 from seurer at gcc dot gnu.org ---
gcc.target/powerpc/pr56605.c was actually reported in PR105267.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2022-07-08 19:37 [Bug tree-optimization/106237] New: [13 regression] serveral tests begin ICEing starting with r13-1575-gcf3a120084e946 seurer at gcc dot gnu.org
2022-07-11 6:46 ` [Bug tree-optimization/106237] " rguenth at gcc dot gnu.org
2022-07-11 15:40 ` seurer at gcc dot gnu.org
2022-07-13 6:04 ` rguenth at gcc dot gnu.org
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