https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95273
Bug ID: 95273
Summary: [11 regression] many ICEs after r11-564
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at linux dot vnet.ibm.com
Target Milestone: ---
One example:
Executing on host: /home/seurer/gcc/git/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test2/gcc/
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/gcc.dg/pr48616.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -ftree-vectorize -lm
-o ./pr48616.exe (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test2/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test2/gcc/
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/gcc.dg/pr48616.c
-fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers
-fdiagnostics-color=never -fdiagnostics-urls=never -O2 -ftree-vectorize -lm -o
./pr48616.exe
during GIMPLE pass: slp
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/gcc.dg/pr48616.c: In function
'fn3':
/home/seurer/gcc/git/gcc-test2/gcc/testsuite/gcc.dg/pr48616.c:58:1: internal
compiler error: in vect_get_constant_vectors, at tree-vect-slp.c:3638
0x10ef206f vect_get_constant_vectors
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-slp.c:3635
0x10ef3533 vect_get_slp_defs(vec_info*, _slp_tree*, vec<vec<tree_node*,
va_heap, vl_ptr>, va_heap, vl_ptr>*, unsigned int)
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-slp.c:3872
0x10e9e5e7 vect_get_vec_defs(vec_info*, tree_node*, tree_node*,
_stmt_vec_info*, vec<tree_node*, va_heap, vl_ptr>*, vec<tree_node*, va_heap,
vl_ptr>*, _slp_tree*)
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-stmts.c:1636
0x10ea4bbf vectorizable_shift
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-stmts.c:5883
0x10ec01ab vect_transform_stmt(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*)
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-stmts.c:11165
0x10ef4653 vect_schedule_slp_instance
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-slp.c:4220
0x10ef4363 vect_schedule_slp_instance
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-slp.c:4112
0x10eff193 vect_schedule_slp(vec_info*)
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-slp.c:4344
0x10f01633 vect_slp_bb_region
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-slp.c:3298
0x10f01633 vect_slp_bb(basic_block_def*)
/home/seurer/gcc/git/gcc-test2/gcc/tree-vect-slp.c:3421
0x10f0393b execute
/home/seurer/gcc/git/gcc-test2/gcc/tree-vectorizer.c:1320
