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* [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
@ 2021-08-11 8:09 marxin at gcc dot gnu.org
2021-08-11 8:09 ` [Bug target/101860] " marxin at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-08-11 8:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
Bug ID: 101860
Summary: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199
since r12-2837-g50b5877925ef5ae8
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
The following fails:
$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v32hi.c
-O1 -mavx5124vnniw -c
during GIMPLE pass: fre
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v32hi.c: In
function ‘test_27’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v32hi.c:12:
internal compiler error: in gen_reg_rtx, at emit-rtl.c:1199
0x69c2a8 gen_reg_rtx(machine_mode)
/home/marxin/Programming/gcc/gcc/emit-rtl.c:1199
0xafb406 force_reg(machine_mode, rtx_def*)
/home/marxin/Programming/gcc/gcc/explow.c:686
0xafb406 force_reg(machine_mode, rtx_def*)
/home/marxin/Programming/gcc/gcc/explow.c:666
0x12fe673 ix86_expand_vec_one_operand_perm_avx512
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:18124
0x12fe673 expand_vec_perm_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:18302
0x12fe820 expand_vec_perm_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:18311
0x13007e8 ix86_expand_vec_perm_const_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:20702
0x1328bb2 ix86_vectorize_vec_perm_const(machine_mode, rtx_def*, rtx_def*,
rtx_def*, vec_perm_indices const&)
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:21002
0x14db5ce gimple_simplify_VEC_PERM_EXPR
/dev/shm/objdir/gcc/gimple-match.c:154152
0x13405c8 gimple_resimplify3
/home/marxin/Programming/gcc/gcc/gimple-match-head.c:396
0x14dca97 gimple_simplify(gimple*, gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), tree_node* (*)(tree_node*))
/home/marxin/Programming/gcc/gcc/gimple-match-head.c:1002
0xbb0f10 gimple_fold_stmt_to_constant_1(gimple*, tree_node* (*)(tree_node*),
tree_node* (*)(tree_node*))
/home/marxin/Programming/gcc/gcc/gimple-fold.c:7330
0x10a1ab5 try_to_simplify
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:5428
0x10a1ab5 visit_stmt
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:5471
0x10a2d86 process_bb
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:7239
0x10a4642 do_rpo_vn
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:7837
0x10a5e5a execute
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:7991
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/101860] [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
@ 2021-08-11 8:09 ` marxin at gcc dot gnu.org
2021-08-11 8:10 ` marxin at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-08-11 8:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.0
Last reconfirmed| |2021-08-11
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/101860] [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
2021-08-11 8:09 ` [Bug target/101860] " marxin at gcc dot gnu.org
@ 2021-08-11 8:10 ` marxin at gcc dot gnu.org
2021-08-11 8:14 ` jakub at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-08-11 8:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Similarly fails:
$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v32hi.c
-Og -mavx512vp2intersect
during GIMPLE pass: fre
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v32hi.c: In
function ‘test_27’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v32hi.c:12:
internal compiler error: in gen_reg_rtx, at emit-rtl.c:1199
0x69c2a8 gen_reg_rtx(machine_mode)
/home/marxin/Programming/gcc/gcc/emit-rtl.c:1199
0xafb406 force_reg(machine_mode, rtx_def*)
/home/marxin/Programming/gcc/gcc/explow.c:686
0xafb406 force_reg(machine_mode, rtx_def*)
/home/marxin/Programming/gcc/gcc/explow.c:666
0x12fe673 ix86_expand_vec_one_operand_perm_avx512
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:18124
0x12fe673 expand_vec_perm_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:18302
0x12fe820 expand_vec_perm_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:18311
0x13007e8 ix86_expand_vec_perm_const_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:20702
0x1328bb2 ix86_vectorize_vec_perm_const(machine_mode, rtx_def*, rtx_def*,
rtx_def*, vec_perm_indices const&)
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:21002
0x14db5ce gimple_simplify_VEC_PERM_EXPR
/dev/shm/objdir/gcc/gimple-match.c:154152
0x13405c8 gimple_resimplify3
/home/marxin/Programming/gcc/gcc/gimple-match-head.c:396
0x14dca97 gimple_simplify(gimple*, gimple_match_op*, gimple**, tree_node*
(*)(tree_node*), tree_node* (*)(tree_node*))
/home/marxin/Programming/gcc/gcc/gimple-match-head.c:1002
0xbb0f10 gimple_fold_stmt_to_constant_1(gimple*, tree_node* (*)(tree_node*),
tree_node* (*)(tree_node*))
/home/marxin/Programming/gcc/gcc/gimple-fold.c:7330
0x10a1ab5 try_to_simplify
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:5428
0x10a1ab5 visit_stmt
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:5471
0x10a2d86 process_bb
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:7239
0x10a4642 do_rpo_vn
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:7837
0x10a5e5a execute
/home/marxin/Programming/gcc/gcc/tree-ssa-sccvn.c:7991
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/101860] [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
2021-08-11 8:09 ` [Bug target/101860] " marxin at gcc dot gnu.org
2021-08-11 8:10 ` marxin at gcc dot gnu.org
@ 2021-08-11 8:14 ` jakub at gcc dot gnu.org
2021-08-11 9:17 ` jakub at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-08-11 8:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I'll have a look.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/101860] [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
` (2 preceding siblings ...)
2021-08-11 8:14 ` jakub at gcc dot gnu.org
@ 2021-08-11 9:17 ` jakub at gcc dot gnu.org
2021-08-11 10:37 ` jakub at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-08-11 9:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 51286
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51286&action=edit
gcc12-pr101860.patch
Untested fix.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/101860] [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
` (3 preceding siblings ...)
2021-08-11 9:17 ` jakub at gcc dot gnu.org
@ 2021-08-11 10:37 ` jakub at gcc dot gnu.org
2021-08-12 9:27 ` cvs-commit at gcc dot gnu.org
2021-08-12 9:28 ` jakub at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-08-11 10:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |zsojka at seznam dot cz
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
*** Bug 101863 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/101860] [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
` (4 preceding siblings ...)
2021-08-11 10:37 ` jakub at gcc dot gnu.org
@ 2021-08-12 9:27 ` cvs-commit at gcc dot gnu.org
2021-08-12 9:28 ` jakub at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-08-12 9:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>:
https://gcc.gnu.org/g:04b4f3152593f85b05974528d1607619dd77d702
commit r12-2876-g04b4f3152593f85b05974528d1607619dd77d702
Author: Jakub Jelinek <jakub@redhat.com>
Date: Thu Aug 12 11:26:57 2021 +0200
i386: Fix up V32HImode permutations with -mno-avx512bw [PR101860]
My patch from yesterday apparently broke some V32HImode permutations
as the testcase shows.
The first function assumed it would never be called in d->testing_p mode
and so went right away into emitting the code.
And the second one assumed V32HImode would never reach it, which now
can for the !TARGET_AVX512BW case. We don't have a instruction
in that case though.
2021-08-12 Jakub Jelinek <jakub@redhat.com>
PR target/101860
* config/i386/i386-expand.c
(ix86_expand_vec_one_operand_perm_avx512):
If d->testing_p, return true after performing checks instead of
actually expanding the insn.
(expand_vec_perm_broadcast_1): Handle V32HImode - assert
!TARGET_AVX512BW and return false.
* gcc.target/i386/avx512f-pr101860.c: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/101860] [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8
2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
` (5 preceding siblings ...)
2021-08-12 9:27 ` cvs-commit at gcc dot gnu.org
@ 2021-08-12 9:28 ` jakub at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-08-12 9:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101860
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2021-08-11 8:09 [Bug target/101860] New: [12 Regression] ICE in gen_reg_rtx, at emit-rtl.c:1199 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
2021-08-11 8:09 ` [Bug target/101860] " marxin at gcc dot gnu.org
2021-08-11 8:10 ` marxin at gcc dot gnu.org
2021-08-11 8:14 ` jakub at gcc dot gnu.org
2021-08-11 9:17 ` jakub at gcc dot gnu.org
2021-08-11 10:37 ` jakub at gcc dot gnu.org
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