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| author | Richard Biener <rguenther@suse.de> | 2021-06-21 09:30:41 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-06-21 11:06:27 +0200 |
| commit | 90f78d5d86598f8cadacfb20d8d98c122a466599 (patch) | |
| tree | e3f865904d94643995bafce42ed98ee04cceaef6 /gcc/gimplify.c | |
| parent | 08c85f609a73fb36fdcbd9f327a5a645c20ac816 (diff) | |
| download | gcc-90f78d5d86598f8cadacfb20d8d98c122a466599.zip gcc-90f78d5d86598f8cadacfb20d8d98c122a466599.tar.gz gcc-90f78d5d86598f8cadacfb20d8d98c122a466599.tar.bz2 | |
tree-optimization/101121 - avoid infinite SLP build
The following plugs another hole where we cache a failed SLP build
attempt with an all-success 'matches'. It also adds checking that
we don't do that.
2021-06-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/101121
* tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
when we just lack a stmt with the desired op when doing permutation.
(vect_build_slp_tree): When caching a failed SLP build attempt
assert that at least one lane is marked as not matching.
* gfortran.dg/pr101121.f: New testcase.
Diffstat (limited to 'gcc/gimplify.c')
0 files changed, 0 insertions, 0 deletions