[Bug target/106219] [13 Regression] ICE in vect_do_peeling, at tree-vect-loop-manip.cc:2703 since r13-1457-g10b502fb78351a40

["seurer at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106219

seurer at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |seurer at gcc dot gnu.org

--- Comment #11 from seurer at gcc dot gnu.org ---
This may be the same problem we are seeing which is causing a bootstrap issue
on power 7 BE.  

g:10b502fb78351a4073b6682c026a92c82d3da6c5, r13-1457-g10b502fb78351a 

libtool: compile:  /home/seurer/gcc/git/build/gcc-trunk/./gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-trunk/./gcc/
-B/home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/bin/
-B/home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/lib/
-isystem
/home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/include
-isystem
/home/seurer/gcc/git/install/gcc-trunk/powerpc64-unknown-linux-gnu/sys-include
-DHAVE_CONFIG_H -I. -I/home/seurer/gcc/git/gcc-trunk/libgfortran
-iquote/home/seurer/gcc/git/gcc-trunk/libgfortran/io
-I/home/seurer/gcc/git/gcc-trunk/libgfortran/../gcc
-I/home/seurer/gcc/git/gcc-trunk/libgfortran/../gcc/config
-I/home/seurer/gcc/git/gcc-trunk/libgfortran/../libquadmath -I../.././gcc
-I/home/seurer/gcc/git/gcc-trunk/libgfortran/../libgcc -I../libgcc
-I/home/seurer/gcc/git/gcc-trunk/libgfortran/../libbacktrace -I../libbacktrace
-I../libbacktrace -std=gnu11 -Wall -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -Wextra -Wwrite-strings
-Werror=implicit-function-declaration -Werror=vla -fcx-fortran-rules
-ffunction-sections -fdata-sections -ffast-math -ftree-vectorize -funroll-loops
--param max-unroll-times=4 -g -O2 -MT matmul_i1.lo -MD -MP -MF
.deps/matmul_i1.Tpo -c
/home/seurer/gcc/git/gcc-trunk/libgfortran/generated/matmul_i1.c  -fPIC -DPIC
-o .libs/matmul_i1.o
during GIMPLE pass: vect
/home/seurer/gcc/git/gcc-trunk/libgfortran/generated/matmul_i1.c: In function
'matmul_i1':
/home/seurer/gcc/git/gcc-trunk/libgfortran/generated/matmul_i1.c:2450:1:
internal compiler error: in vect_do_peeling, at tree-vect-loop-manip.cc:2690
 2450 | matmul_i1 (gfc_array_i1 * const restrict retarray,
      | ^~~~~~~~~
0x10fbc6e3 vect_do_peeling(_loop_vec_info*, tree_node*, tree_node*,
tree_node**, tree_node**, tree_node**, int, bool, bool, tree_node**)
        /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-loop-manip.cc:2690
0x10faafff vect_transform_loop(_loop_vec_info*, gimple*)
        /home/seurer/gcc/git/gcc-trunk/gcc/tree-vect-loop.cc:9747
0x10ff354b vect_transform_loops
        /home/seurer/gcc/git/gcc-trunk/gcc/tree-vectorizer.cc:1006
0x10ff3de3 try_vectorize_loop_1
        /home/seurer/gcc/git/gcc-trunk/gcc/tree-vectorizer.cc:1136
0x10ff3de3 try_vectorize_loop
        /home/seurer/gcc/git/gcc-trunk/gcc/tree-vectorizer.cc:1165
0x10ff4553 execute
        /home/seurer/gcc/git/gcc-trunk/gcc/tree-vectorizer.cc:1281



commit 10b502fb78351a4073b6682c026a92c82d3da6c5
Author: Richard Biener <rguenther@suse.de>
Date:   Mon Jul 4 12:36:05 2022 +0200

    Keep virtual SSA up-to-date in vectorizer