https://gcc.gnu.org/g:bf2b5231312e1cea45732cb8df6ffa2b2c9115b6
commit r14-10005-gbf2b5231312e1cea45732cb8df6ffa2b2c9115b6 Author: Richard Biener <rguent...@suse.de> Date: Wed Apr 17 10:40:04 2024 +0200 tree-optimization/114749 - reset partial vector decision for no-SLP retry The following makes sure to reset LOOP_VINFO_USING_PARTIAL_VECTORS_P to its default of false when re-trying without SLP as otherwise analysis may run into bogus asserts. PR tree-optimization/114749 * tree-vect-loop.cc (vect_analyze_loop_2): Reset LOOP_VINFO_USING_PARTIAL_VECTORS_P when re-trying without SLP. Diff: --- gcc/tree-vect-loop.cc | 1 + 1 file changed, 1 insertion(+) diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index 431b3e9492c..a6cf0a5546c 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -3400,6 +3400,7 @@ again: LOOP_VINFO_VERSIONING_THRESHOLD (loop_vinfo) = 0; LOOP_VINFO_CAN_USE_PARTIAL_VECTORS_P (loop_vinfo) = saved_can_use_partial_vectors_p; + LOOP_VINFO_USING_PARTIAL_VECTORS_P (loop_vinfo) = false; goto start_over; }