https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115383
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2024-06-07
CC| |ktkachov at gcc dot gnu.org
Target| |aarch64
Target Milestone|--- |15.0
Summary|[15 regression] ICE with |[15 Regression] ICE with
|TCVC_2 build since |TCVC_2 build
|r15-1053-g28edeb1409a7b8 |
Known to fail| |15.0
Ever confirmed|0 |1
Known to work| |14.1.0
Keywords| |ice-on-valid-code
--- Comment #1 from ktkachov at gcc dot gnu.org ---
Confirmed. -O3 -msve-vector-bits=128 -mcpu=neoverse-v2 is enough to trigger it:
ice.c:2:6: internal compiler error: Segmentation fault
2 | void s331() {
| ^~~~
0xf4b59b crash_signal
$TOP/gcc/gcc/toplev.cc:319
0xb7f518 phi_nodes_ptr(basic_block_def*)
$TOP/gcc/gcc/gimple.h:4701
0xb7f518 gsi_start_phis(basic_block_def*)
$TOP/gcc/gcc/gimple-iterator.cc:937
0xb7f518 gsi_for_stmt(gimple*)
$TOP/gcc/gcc/gimple-iterator.cc:621
0x1fa982f vectorizable_condition
$TOP/gcc/gcc/tree-vect-stmts.cc:12577
0x1fc4627 vect_transform_stmt(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*)
$TOP/gcc/gcc/tree-vect-stmts.cc:13467
0x1261733 vect_schedule_slp_node
$TOP/gcc/gcc/tree-vect-slp.cc:9729
0x1276837 vect_schedule_slp_node
$TOP/gcc/gcc/tree-vect-slp.cc:9522
0x1276837 vect_schedule_scc
$TOP/gcc/gcc/tree-vect-slp.cc:10017
0x12776df vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>
const&)
$TOP/gcc/gcc/tree-vect-slp.cc:10110
0x1244837 vect_transform_loop(_loop_vec_info*, gimple*)
$TOP/gcc/gcc/tree-vect-loop.cc:12114
0x1287d5f vect_transform_loops
$TOP/gcc/gcc/tree-vectorizer.cc:1007
0x12883e7 try_vectorize_loop_1
$TOP/gcc/gcc/tree-vectorizer.cc:1153
0x12883e7 try_vectorize_loop
$TOP/gcc/gcc/tree-vectorizer.cc:1183
0x128875b execute
$TOP/gcc/gcc/tree-vectorizer.cc:1299
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