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* [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606
@ 2022-09-18 6:03 asolokha at gmx dot com
2022-09-19 6:39 ` [Bug tree-optimization/106963] " rguenth at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: asolokha at gmx dot com @ 2022-09-18 6:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106963
Bug ID: 106963
Summary: [13 Regression] ICE in vect_gen_perm_mask_checked, at
tree-vect-stmts.cc:8606
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
CC: liuhongt at gcc dot gnu.org
Target Milestone: ---
Target: x86_64-unknown-linux-gnu
gcc 13.0.0 20220911 snapshot (g:0ea5e3f4542832b8da016b152695e64a2a386309) ICEs
when compiling the following testcase, reduced from
gcc/testsuite/gcc.target/i386/pr103144-neg-1.c, w/ -mavx -O2:
void
foo_neg_const (int *a)
{
int i, b = 1;
for (i = 0; i < 1000; i++)
{
a[i] = b;
b = -b;
}
}
% x86_64-unknown-linux-gnu-gcc-13.0.0 -mavx -O2 -c l9k774zu.c
during GIMPLE pass: vect
l9k774zu.c: In function 'foo_neg_const':
l9k774zu.c:2:1: internal compiler error: in vect_gen_perm_mask_checked, at
tree-vect-stmts.cc:8606
2 | foo_neg_const (int *a)
| ^~~~~~~~~~~~~
0x86e97b vect_gen_perm_mask_checked(tree_node*, vec_perm_indices const&)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vect-stmts.cc:8606
0x1177c4b vect_create_nonlinear_iv_init
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vect-loop.cc:8360
0x1177c4b vectorizable_nonlinear_induction
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vect-loop.cc:8803
0x1179a67 vectorizable_induction(_loop_vec_info*, _stmt_vec_info*, gimple**,
_slp_tree*, vec<stmt_info_for_cost, va_heap, vl_ptr>*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vect-loop.cc:8943
0x1ef3690 vect_transform_stmt(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vect-stmts.cc:11319
0x1186e81 vect_transform_loop(_loop_vec_info*, gimple*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vect-loop.cc:10643
0x11c99c1 vect_transform_loops
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vectorizer.cc:1007
0x11c9fff try_vectorize_loop_1
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vectorizer.cc:1153
0x11c9fff try_vectorize_loop
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vectorizer.cc:1183
0x11ca3b4 execute
/var/tmp/portage/sys-devel/gcc-13.0.0_p20220911/work/gcc-13-20220911/gcc/tree-vectorizer.cc:1299
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606
2022-09-18 6:03 [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 asolokha at gmx dot com
@ 2022-09-19 6:39 ` rguenth at gcc dot gnu.org
2022-09-20 2:59 ` crazylht at gmail dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-09-19 6:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106963
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |13.0
Keywords| |needs-bisection
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606
2022-09-18 6:03 [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 asolokha at gmx dot com
2022-09-19 6:39 ` [Bug tree-optimization/106963] " rguenth at gcc dot gnu.org
@ 2022-09-20 2:59 ` crazylht at gmail dot com
2022-09-20 8:42 ` [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 since r13-2503-gc13223b790bbc5e4 marxin at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: crazylht at gmail dot com @ 2022-09-20 2:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106963
Hongtao.liu <crazylht at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |crazylht at gmail dot com
--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
When init_expr is INTEGER_CST or REAL_CST, we don't need can_vec_perm_const_p
since there's no real vec_perm needed, but vec_gen_perm_mask_checked will
gcc_assert (can_vec_perm_const_p). So it's better to use vec_gen_perm_mask_any
here.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 since r13-2503-gc13223b790bbc5e4
2022-09-18 6:03 [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 asolokha at gmx dot com
2022-09-19 6:39 ` [Bug tree-optimization/106963] " rguenth at gcc dot gnu.org
2022-09-20 2:59 ` crazylht at gmail dot com
@ 2022-09-20 8:42 ` marxin at gcc dot gnu.org
2022-09-21 7:48 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: marxin at gcc dot gnu.org @ 2022-09-20 8:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106963
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords|needs-bisection |
CC| |marxin at gcc dot gnu.org
Ever confirmed|0 |1
Last reconfirmed| |2022-09-20
Status|UNCONFIRMED |NEW
Summary|[13 Regression] ICE in |[13 Regression] ICE in
|vect_gen_perm_mask_checked, |vect_gen_perm_mask_checked,
|at tree-vect-stmts.cc:8606 |at tree-vect-stmts.cc:8606
| |since
| |r13-2503-gc13223b790bbc5e4
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Btw. started with r13-2503-gc13223b790bbc5e4.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 since r13-2503-gc13223b790bbc5e4
2022-09-18 6:03 [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 asolokha at gmx dot com
` (2 preceding siblings ...)
2022-09-20 8:42 ` [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 since r13-2503-gc13223b790bbc5e4 marxin at gcc dot gnu.org
@ 2022-09-21 7:48 ` cvs-commit at gcc dot gnu.org
2022-09-21 7:48 ` crazylht at gmail dot com
2022-10-18 8:44 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-09-21 7:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106963
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:
https://gcc.gnu.org/g:eddbb81f1254f025d6f1b6b8e7554aa9a3830302
commit r13-2754-geddbb81f1254f025d6f1b6b8e7554aa9a3830302
Author: liuhongt <hongtao.liu@intel.com>
Date: Tue Sep 20 13:22:28 2022 +0800
Don't check can_vec_perm_const_p for nonlinear iv_init when it's constant.
When init_expr is INTEGER_CST or REAL_CST, can_vec_perm_const_p is not
necessary since there's no real vec_perm needed, but
vec_gen_perm_mask_checked will gcc_assert (can_vec_perm_const_p). So
it's better to use vec_gen_perm_mask_any in
vect_create_nonlinear_iv_init.
gcc/ChangeLog:
PR tree-optimization/106963
* tree-vect-loop.cc (vect_create_nonlinear_iv_init): Use
vec_gen_perm_mask_any instead of vec_gen_perm_mask_check.
gcc/testsuite/ChangeLog:
* gcc.target/i386/pr106963.c: New test.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 since r13-2503-gc13223b790bbc5e4
2022-09-18 6:03 [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 asolokha at gmx dot com
` (3 preceding siblings ...)
2022-09-21 7:48 ` cvs-commit at gcc dot gnu.org
@ 2022-09-21 7:48 ` crazylht at gmail dot com
2022-10-18 8:44 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: crazylht at gmail dot com @ 2022-09-21 7:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106963
--- Comment #4 from Hongtao.liu <crazylht at gmail dot com> ---
Fixed in GCC13.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 since r13-2503-gc13223b790bbc5e4
2022-09-18 6:03 [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 asolokha at gmx dot com
` (4 preceding siblings ...)
2022-09-21 7:48 ` crazylht at gmail dot com
@ 2022-10-18 8:44 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-10-18 8:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106963
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2022-09-18 6:03 [Bug tree-optimization/106963] New: [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 asolokha at gmx dot com
2022-09-19 6:39 ` [Bug tree-optimization/106963] " rguenth at gcc dot gnu.org
2022-09-20 2:59 ` crazylht at gmail dot com
2022-09-20 8:42 ` [Bug tree-optimization/106963] [13 Regression] ICE in vect_gen_perm_mask_checked, at tree-vect-stmts.cc:8606 since r13-2503-gc13223b790bbc5e4 marxin at gcc dot gnu.org
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