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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/95403] New: [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a
Date: Fri, 29 May 2020 07:35:54 +0000 [thread overview]
Message-ID: <bug-95403-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95403
Bug ID: 95403
Summary: [11 Regression] ICE in nested_in_vect_loop_p at
gcc/tree-vectorizer.h:1260 since
r11-689-ge31cd607e999ca6a
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Blocks: 26163
Target Milestone: ---
It's reduced from 454.calculix:
$ cat deuldlag.f
subroutine deuldlag(xi,et,ze,xlag,xeul,xj,xs)
real*8 shp(3,20),xs(3,3),xlag(3,20),xeul(3,20)
do i=1,3
do j=1,3
enddo
enddo
do i=1,3
do j=1,3
xs(i,j)=0.d0
do k=1,20
xs(i,j)=xs(i,j)+xeul(i,k)*shp(j,k)
enddo
enddo
enddo
end
$ gcc -O3 deuldlag.f -c
during GIMPLE pass: vect
deuldlag.f:1:0:
1 | subroutine deuldlag(xi,et,ze,xlag,xeul,xj,xs)
|
internal compiler error: Segmentation fault
0xeb3cff crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:328
0x7ffff78f6f3f ???
/usr/src/debug/glibc-2.31-5.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x10f94e3 nested_in_vect_loop_p
/home/marxin/Programming/gcc/gcc/tree-vectorizer.h:1260
0x10f94e3 vect_init_vector_1
/home/marxin/Programming/gcc/gcc/tree-vect-stmts.c:1333
0x10f972a vect_init_vector(vec_info*, _stmt_vec_info*, tree_node*, tree_node*,
gimple_stmt_iterator*)
/home/marxin/Programming/gcc/gcc/tree-vect-stmts.c:1418
0x1144449 vect_create_constant_vectors
/home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3745
0x1144449 vect_schedule_slp_instance
/home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4066
0x1144938 vect_schedule_slp_instance
/home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4071
0x114a982 vect_schedule_slp(vec_info*)
/home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4303
0x113543e vect_transform_loop(_loop_vec_info*, gimple*)
/home/marxin/Programming/gcc/gcc/tree-vect-loop.c:8753
0x1150edf try_vectorize_loop_1
/home/marxin/Programming/gcc/gcc/tree-vectorizer.c:988
0x1151b89 vectorize_loops()
/home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1125
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.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
[Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)
next reply other threads:[~2020-05-29 7:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-29 7:35 marxin at gcc dot gnu.org [this message]
2020-05-29 7:36 ` [Bug tree-optimization/95403] " marxin at gcc dot gnu.org
2020-05-29 8:02 ` rguenth at gcc dot gnu.org
2020-05-29 9:02 ` cvs-commit at gcc dot gnu.org
2020-05-29 9:03 ` rguenth at gcc dot gnu.org
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