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* [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn)
@ 2022-08-04 10:34 asolokha at gmx dot com
2022-08-04 10:45 ` [Bug target/106524] " rguenth at gcc dot gnu.org
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: asolokha at gmx dot com @ 2022-08-04 10:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
Bug ID: 106524
Summary: [12/13 Regression] ICE in extract_insn, at
recog.cc:2791 (error: unrecognizable insn)
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: aarch64-linux-gnu
gcc 13.0.0 20220731 snapshot (g:525a1a73a5a563c829a5f76858fe122c9b39f254) ICEs
when compiling the following testcase, reduced from
gcc/testsuite/gcc.target/aarch64/sve/vcond_4_zero.c, w/ -march=armv8-a+sve -O2
-fno-move-loop-invariants:
void
test__zero (int *restrict dest, int *restrict src, float *a, int count)
{
int i;
for (i = 0; i < count; ++i)
dest[i] = !__builtin_isunordered (a[i], 0) ? src[i] : 0;
}
% aarch64-linux-gnu-gcc-13.0.0 -march=armv8-a+sve -O2 -fno-move-loop-invariants
-c ezv9mlin.c
ezv9mlin.c: In function 'test__zero':
ezv9mlin.c:8:1: error: unrecognizable insn:
8 | }
| ^
(insn 58 23 59 4 (set (reg:VNx4BI 122)
(unspec:VNx4BI [
(reg:VNx4BI 97 [ loop_mask_46 ])
(const_int 0 [0])
(reg:VNx4SF 98 [ vect__4.10 ])
(const_vector:VNx4SF repeat [
(const_double:SF 0.0 [0x0.0p+0])
])
] UNSPEC_COND_FCMUO)) -1
(expr_list:REG_DEAD (reg:VNx4SF 98 [ vect__4.10 ])
(nil)))
during RTL pass: sched1
ezv9mlin.c:8:1: internal compiler error: in extract_insn, at recog.cc:2791
0x75b3e6 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/rtl-error.cc:108
0x75b404 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/rtl-error.cc:116
0x759d4d extract_insn(rtx_insn*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/recog.cc:2791
0xd2ddcf scan_one_insn
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/ira-costs.cc:1464
0xd2ddcf process_bb_for_costs
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/ira-costs.cc:1632
0xd2f4b7 find_costs_and_classes
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/ira-costs.cc:1739
0xd2fafa ira_set_pseudo_classes(bool, _IO_FILE*)
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/ira-costs.cc:2293
0x1b66137 alloc_global_sched_pressure_data
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/haifa-sched.cc:7201
0x1b66137 sched_init()
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/haifa-sched.cc:7356
0x1b678ca haifa_sched_init()
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/haifa-sched.cc:7368
0xec7bba schedule_insns()
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/sched-rgn.cc:3510
0xec832c schedule_insns()
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/sched-rgn.cc:3504
0xec832c rest_of_handle_sched
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/sched-rgn.cc:3722
0xec832c execute
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20220731/work/gcc-13-20220731/gcc/sched-rgn.cc:3832
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn)
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
@ 2022-08-04 10:45 ` rguenth at gcc dot gnu.org
2022-08-09 13:04 ` [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22 marxin at gcc dot gnu.org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-08-04 10:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.2
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22.
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
2022-08-04 10:45 ` [Bug target/106524] " rguenth at gcc dot gnu.org
@ 2022-08-09 13:04 ` marxin at gcc dot gnu.org
2022-08-10 13:52 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: marxin at gcc dot gnu.org @ 2022-08-09 13:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[12/13 Regression] ICE in |[12/13 Regression] ICE in
|extract_insn, at |extract_insn, at
|recog.cc:2791 (error: |recog.cc:2791 (error:
|unrecognizable insn) |unrecognizable insn) since
| |r12-4349-ge36206c9940d22.
Ever confirmed|0 |1
CC| |marxin at gcc dot gnu.org,
| |tnfchris at gcc dot gnu.org
Status|UNCONFIRMED |NEW
Last reconfirmed| |2022-08-09
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r12-4349-ge36206c9940d22.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22.
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
2022-08-04 10:45 ` [Bug target/106524] " rguenth at gcc dot gnu.org
2022-08-09 13:04 ` [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22 marxin at gcc dot gnu.org
@ 2022-08-10 13:52 ` rguenth at gcc dot gnu.org
2022-08-12 7:55 ` tnfchris at gcc dot gnu.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-08-10 13:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22.
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
` (2 preceding siblings ...)
2022-08-10 13:52 ` rguenth at gcc dot gnu.org
@ 2022-08-12 7:55 ` tnfchris at gcc dot gnu.org
2022-08-12 11:29 ` cvs-commit at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: tnfchris at gcc dot gnu.org @ 2022-08-12 7:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
Tamar Christina <tnfchris at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |tnfchris at gcc dot gnu.org
Status|NEW |ASSIGNED
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22.
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
` (3 preceding siblings ...)
2022-08-12 7:55 ` tnfchris at gcc dot gnu.org
@ 2022-08-12 11:29 ` cvs-commit at gcc dot gnu.org
2022-08-12 11:33 ` [Bug target/106524] [12 " tnfchris at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-08-12 11:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tamar Christina <tnfchris@gcc.gnu.org>:
https://gcc.gnu.org/g:f4ff20d464f90c85919ce2e7fa63e204dcda4e40
commit r13-2030-gf4ff20d464f90c85919ce2e7fa63e204dcda4e40
Author: Tamar Christina <tamar.christina@arm.com>
Date: Fri Aug 12 12:28:41 2022 +0100
sve: Fix fcmuo combine patterns [PR106524]
There's no encoding for fcmuo with zero. This restricts the combine
patterns
from accepting zero registers.
gcc/ChangeLog:
PR target/106524
* config/aarch64/aarch64-sve.md (*fcmuo<mode>_nor_combine,
*fcmuo<mode>_bic_combine): Don't accept comparisons against zero.
gcc/testsuite/ChangeLog:
PR target/106524
* gcc.target/aarch64/sve/pr106524.c: New test.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22.
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
` (4 preceding siblings ...)
2022-08-12 11:29 ` cvs-commit at gcc dot gnu.org
@ 2022-08-12 11:33 ` tnfchris at gcc dot gnu.org
2022-08-30 7:23 ` cvs-commit at gcc dot gnu.org
2022-08-30 7:25 ` tnfchris at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: tnfchris at gcc dot gnu.org @ 2022-08-12 11:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
Tamar Christina <tnfchris at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[12/13 Regression] ICE in |[12 Regression] ICE in
|extract_insn, at |extract_insn, at
|recog.cc:2791 (error: |recog.cc:2791 (error:
|unrecognizable insn) since |unrecognizable insn) since
|r12-4349-ge36206c9940d22. |r12-4349-ge36206c9940d22.
Target Milestone|12.2 |12.3
--- Comment #3 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Fixed on trunk, will backport to 12 once branch unfrozen.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22.
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
` (5 preceding siblings ...)
2022-08-12 11:33 ` [Bug target/106524] [12 " tnfchris at gcc dot gnu.org
@ 2022-08-30 7:23 ` cvs-commit at gcc dot gnu.org
2022-08-30 7:25 ` tnfchris at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-08-30 7:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Tamar Christina
<tnfchris@gcc.gnu.org>:
https://gcc.gnu.org/g:e927d1cf141f221c5a32574bde0913307e140984
commit r12-8728-ge927d1cf141f221c5a32574bde0913307e140984
Author: Tamar Christina <tamar.christina@arm.com>
Date: Fri Aug 12 12:28:41 2022 +0100
sve: Fix fcmuo combine patterns [PR106524]
There's no encoding for fcmuo with zero. This restricts the combine
patterns
from accepting zero registers.
gcc/ChangeLog:
PR target/106524
* config/aarch64/aarch64-sve.md (*fcmuo<mode>_nor_combine,
*fcmuo<mode>_bic_combine): Don't accept comparisons against zero.
gcc/testsuite/ChangeLog:
PR target/106524
* gcc.target/aarch64/sve/pr106524.c: New test.
(cherry picked from commit f4ff20d464f90c85919ce2e7fa63e204dcda4e40)
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug target/106524] [12 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22.
2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
` (6 preceding siblings ...)
2022-08-30 7:23 ` cvs-commit at gcc dot gnu.org
@ 2022-08-30 7:25 ` tnfchris at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: tnfchris at gcc dot gnu.org @ 2022-08-30 7:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106524
Tamar Christina <tnfchris at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Fixed in GCC 12 as well. Thanks for the report.
^ permalink raw reply [flat|nested] 9+ messages in thread
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2022-08-04 10:34 [Bug target/106524] New: [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) asolokha at gmx dot com
2022-08-04 10:45 ` [Bug target/106524] " rguenth at gcc dot gnu.org
2022-08-09 13:04 ` [Bug target/106524] [12/13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r12-4349-ge36206c9940d22 marxin at gcc dot gnu.org
2022-08-10 13:52 ` rguenth at gcc dot gnu.org
2022-08-12 7:55 ` tnfchris at gcc dot gnu.org
2022-08-12 11:29 ` cvs-commit at gcc dot gnu.org
2022-08-12 11:33 ` [Bug target/106524] [12 " tnfchris at gcc dot gnu.org
2022-08-30 7:23 ` cvs-commit at gcc dot gnu.org
2022-08-30 7:25 ` tnfchris at gcc dot gnu.org
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