https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81136
Bug ID: 81136
Summary: [8 Regression] ICE: in
vect_update_misalignment_for_peel, at
tree-vect-data-refs.c:910
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
Target Milestone: ---
Target: ppc64le
trippels@gcc2-power8 linux % cat appletouch.i
struct {
void *callback;
_Bool open;
int xy_acc[6];
int smooth[];
} * a;
void fn1() {
int i;
int *b = a->xy_acc;
i = 0;
for (; i < fn1; i++)
a->smooth[i] = b[i];
}
trippels@gcc2-power8 linux % gcc -w -c -mno-altivec -mno-vsx -O3 appletouch.i
during GIMPLE pass: vect
appletouch.i: In function ‘fn1’:
appletouch.i:7:6: internal compiler error: in
vect_update_misalignment_for_peel, at tree-vect-data-refs.c:910
void fn1() {
^~~
0x11255e23 vect_update_misalignment_for_peel
../../gcc/gcc/tree-vect-data-refs.c:909
0x1125607f vect_get_peeling_costs_all_drs
../../gcc/gcc/tree-vect-data-refs.c:1246
0x11264d4b vect_enhance_data_refs_alignment(_loop_vec_info*)
../../gcc/gcc/tree-vect-data-refs.c:1713
0x10c133b7 vect_analyze_loop_2
../../gcc/gcc/tree-vect-loop.c:2063
0x10c133b7 vect_analyze_loop(loop*, _loop_vec_info*)
../../gcc/gcc/tree-vect-loop.c:2403
0x10c31af7 vectorize_loops()
../../gcc/gcc/tree-vectorizer.c:614
0x10af86fb execute
../../gcc/gcc/tree-ssa-loop.c:412
