https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96978
Bug ID: 96978
Summary: [11 regression] gcc.dg/vect/bb-slp-pr92596.c causes an
ICE since r11-3025
(g095d42feed09f880f835ed74d0aa7b1ad7abd03c)
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: clyon at gcc dot gnu.org
Target Milestone: ---
since r11-3025 (g095d42feed09f880f835ed74d0aa7b1ad7abd03c),
gcc.dg/vect/bb-slp-pr92596.c causes an ICE on arm:
/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-linux-gnueabi/gcc3/gcc/xgcc
-B/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-linux-gnueabi/gcc3/gcc/
/gcc/testsuite/gcc.dg/vect/bb-slp-pr92596.c -fdiagnostics-plain-output
-mfloat-abi=softfp -ffast-math -ftree-vectorize
-fno-tree-loop-distribute-patterns -fno-vect-cost-model -fno-common -O2
-fdump-tree-slp-details -O3 -S -o bb-slp-pr92596.s
during GIMPLE pass: slp
dump file: bb-slp-pr92596.c.173t.slp2
/gcc/testsuite/gcc.dg/vect/bb-slp-pr92596.c: In function 'fn2':
/gcc/testsuite/gcc.dg/vect/bb-slp-pr92596.c:11:6: internal compiler error: in
vect_transform_stmt, at tree-vect-stmts.c:10870
0xfa16cc vect_transform_stmt(vec_info*, _stmt_vec_info*, gimple_stmt_iterator*,
_slp_tree*, _slp_instance*)
/gcc/tree-vect-stmts.c:10870
0xfd6954 vect_schedule_slp_instance
/gcc/tree-vect-slp.c:4570
0xfd684f vect_schedule_slp_instance
/gcc/tree-vect-slp.c:4436
0xfd684f vect_schedule_slp_instance
/gcc/tree-vect-slp.c:4436
0xfdeace vect_schedule_slp(vec_info*)
/gcc/tree-vect-slp.c:4695
0xfe2529 vect_slp_region
/gcc/tree-vect-slp.c:3529
0xfe33d7 vect_slp_bb(basic_block_def*)
/gcc/tree-vect-slp.c:3647
0xfe503c execute
/gcc/tree-vectorizer.c:1429
GCC is configured with --target=arm-none-linux-gnueabi--with-float=soft
--with-cpu=cortex-a9
(arm-none-linux-gnueabihf fails too)
