https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95627
Bug ID: 95627
Summary: [11 Regression] ICE in rs6000_density_test at
rs6000.c:4992 since
r11-1181-g371cc683371bedb0e53ebcee0c0e89604a1e74b1
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
Target Milestone: ---
Host: x86_64-linux-gnu
Target: ppc64le-linux-gnu
Since the revision I see:
$ ./xgcc -B.
/home/mliska/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/20070520-1.c
-fvar-tracking-assignments-toggle -ftree-loop-vectorize -O2
during GIMPLE pass: vect
/home/mliska/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/20070520-1.c:
In function ‘ff_pred8x8_plane_c’:
/home/mliska/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/20070520-1.c:4:6:
internal compiler error: Segmentation fault
4 | void ff_pred8x8_plane_c(uint8_t *src, int stride){
| ^~~~~~~~~~~~~~~~~~
0xe7e38f crash_signal
../../gcc/toplev.c:328
0x1259ce4 rs6000_density_test
../../gcc/config/rs6000/rs6000.c:4992
0x125a00c rs6000_finish_cost
../../gcc/config/rs6000/rs6000.c:5102
0x1150170 finish_cost
../../gcc/tree-vectorizer.h:1400
0x1153821 vect_compute_single_scalar_iteration_cost
../../gcc/tree-vect-loop.c:1134
0x11568fb vect_analyze_loop_2
../../gcc/tree-vect-loop.c:2041
0x11586ef vect_analyze_loop(loop*, vec_info_shared*)
../../gcc/tree-vect-loop.c:2583
0x119131c try_vectorize_loop_1
../../gcc/tree-vectorizer.c:894
0x1191d69 vectorize_loops()
../../gcc/tree-vectorizer.c:1128
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.
