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* [Bug target/101742] New: [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002
@ 2021-08-03 7:50 marxin at gcc dot gnu.org
2021-08-03 7:51 ` [Bug target/101742] " marxin at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-08-03 7:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101742
Bug ID: 101742
Summary: [12 Regression] ICE in expand_mult, at expmed.c:3585
since r12-2666-g29f0e955c97da002
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: hjl.tools at gmail dot com
Target Milestone: ---
Host: x86_64-linux-gnu
The following fails:
$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/vect/pr101505.c
-mtune=nano-x2 -O3 -c
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/vect/pr101505.c: In function
‘w7.simdclone.4’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/vect/pr101505.c:15:10:
internal compiler error: in expand_mult, at expmed.c:3585
15 | return xb;
| ^~
0x69b962 expand_mult(machine_mode, rtx_def*, rtx_def*, rtx_def*, int, bool)
/home/marxin/Programming/gcc/gcc/expmed.c:3585
0x9b6328 builtin_memset_gen_str
/home/marxin/Programming/gcc/gcc/builtins.c:4124
0xb0c816 op_by_pieces_d::run()
/home/marxin/Programming/gcc/gcc/expr.c:1252
0xb0ce2a store_by_pieces(rtx_def*, unsigned long, rtx_def* (*)(void*, void*,
long, fixed_size_mode), void*, unsigned int, bool, memop_ret)
/home/marxin/Programming/gcc/gcc/expr.c:1579
0xb0ce2a store_by_pieces(rtx_def*, unsigned long, rtx_def* (*)(void*, void*,
long, fixed_size_mode), void*, unsigned int, bool, memop_ret)
/home/marxin/Programming/gcc/gcc/expr.c:1561
0x9b882e expand_builtin_memset_args
/home/marxin/Programming/gcc/gcc/builtins.c:4383
0x9c2f2d expand_builtin_memset
/home/marxin/Programming/gcc/gcc/builtins.c:4146
0x9c2f2d expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/home/marxin/Programming/gcc/gcc/builtins.c:7647
0xb1b9fe expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/marxin/Programming/gcc/gcc/expr.c:11508
0x9ebfdf expand_expr
/home/marxin/Programming/gcc/gcc/expr.h:301
0x9ebfdf expand_call_stmt
/home/marxin/Programming/gcc/gcc/cfgexpand.c:2846
0x9ebfdf expand_gimple_stmt_1
/home/marxin/Programming/gcc/gcc/cfgexpand.c:3879
0x9ebfdf expand_gimple_stmt
/home/marxin/Programming/gcc/gcc/cfgexpand.c:4043
0x9f20e0 expand_gimple_basic_block
/home/marxin/Programming/gcc/gcc/cfgexpand.c:6085
0x9f4057 execute
/home/marxin/Programming/gcc/gcc/cfgexpand.c:6811
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] 6+ messages in thread
* [Bug target/101742] [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002
2021-08-03 7:50 [Bug target/101742] New: [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002 marxin at gcc dot gnu.org
@ 2021-08-03 7:51 ` marxin at gcc dot gnu.org
2021-08-03 13:57 ` hjl.tools at gmail dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-08-03 7:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101742
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-08-03
Target Milestone|--- |12.0
Known to fail| |12.0
Status|UNCONFIRMED |NEW
Priority|P3 |P1
Ever confirmed|0 |1
Known to work| |11.2.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/101742] [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002
2021-08-03 7:50 [Bug target/101742] New: [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002 marxin at gcc dot gnu.org
2021-08-03 7:51 ` [Bug target/101742] " marxin at gcc dot gnu.org
@ 2021-08-03 13:57 ` hjl.tools at gmail dot com
2021-08-04 13:25 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: hjl.tools at gmail dot com @ 2021-08-03 13:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101742
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
A patch is posted at
https://gcc.gnu.org/pipermail/gcc-patches/2021-August/576601.html
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/101742] [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002
2021-08-03 7:50 [Bug target/101742] New: [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002 marxin at gcc dot gnu.org
2021-08-03 7:51 ` [Bug target/101742] " marxin at gcc dot gnu.org
2021-08-03 13:57 ` hjl.tools at gmail dot com
@ 2021-08-04 13:25 ` cvs-commit at gcc dot gnu.org
2021-08-04 20:02 ` cvs-commit at gcc dot gnu.org
2021-08-04 20:06 ` hjl.tools at gmail dot com
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-08-04 13:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101742
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:
https://gcc.gnu.org/g:f2e5d2717d9e249edc5e0d45e49e4f9ef81fc694
commit r12-2732-gf2e5d2717d9e249edc5e0d45e49e4f9ef81fc694
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 3 06:17:22 2021 -0700
by_pieces: Pass MAX_PIECES to op_by_pieces_d
Pass MAX_PIECES to op_by_pieces_d::op_by_pieces_d for move, store and
compare.
PR target/101742
* expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
argument to set m_max_size.
(move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
(store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
(compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/101742] [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002
2021-08-03 7:50 [Bug target/101742] New: [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002 marxin at gcc dot gnu.org
` (2 preceding siblings ...)
2021-08-04 13:25 ` cvs-commit at gcc dot gnu.org
@ 2021-08-04 20:02 ` cvs-commit at gcc dot gnu.org
2021-08-04 20:06 ` hjl.tools at gmail dot com
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-08-04 20:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101742
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:
https://gcc.gnu.org/g:5738a64f8b3cf132b88b39af84b9f5f5a9a1554c
commit r12-2748-g5738a64f8b3cf132b88b39af84b9f5f5a9a1554c
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Aug 3 06:17:22 2021 -0700
x86: Update STORE_MAX_PIECES
Update STORE_MAX_PIECES to allow 16/32/64 bytes only if inter-unit move
is enabled since vec_duplicate enabled by inter-unit move is used to
implement store_by_pieces of 16/32/64 bytes.
gcc/
PR target/101742
* config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
gcc/testsuite/
PR target/101742
* gcc.target/i386/pr101742a.c: New test.
* gcc.target/i386/pr101742b.c: Likewise.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug target/101742] [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002
2021-08-03 7:50 [Bug target/101742] New: [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002 marxin at gcc dot gnu.org
` (3 preceding siblings ...)
2021-08-04 20:02 ` cvs-commit at gcc dot gnu.org
@ 2021-08-04 20:06 ` hjl.tools at gmail dot com
4 siblings, 0 replies; 6+ messages in thread
From: hjl.tools at gmail dot com @ 2021-08-04 20:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101742
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2021-08-03 7:50 [Bug target/101742] New: [12 Regression] ICE in expand_mult, at expmed.c:3585 since r12-2666-g29f0e955c97da002 marxin at gcc dot gnu.org
2021-08-03 7:51 ` [Bug target/101742] " marxin at gcc dot gnu.org
2021-08-03 13:57 ` hjl.tools at gmail dot com
2021-08-04 13:25 ` cvs-commit at gcc dot gnu.org
2021-08-04 20:02 ` cvs-commit at gcc dot gnu.org
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