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| author | Richard Biener <rguenther@suse.de> | 2020-02-25 10:31:16 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-02-25 10:33:29 +0100 |
| commit | 81c833b311b16cfd87a947374d5ffbbd48facd03 (patch) | |
| tree | 31b6c240eeb1696e9c9baaa385713cf810f95779 /gcc/dwarf2out.c | |
| parent | 2473c81cb2d4627f2d72310f4eca951c6084b596 (diff) | |
| download | gcc-81c833b311b16cfd87a947374d5ffbbd48facd03.zip gcc-81c833b311b16cfd87a947374d5ffbbd48facd03.tar.gz gcc-81c833b311b16cfd87a947374d5ffbbd48facd03.tar.bz2 | |
tree-optimization/93868 copy SLP tree before re-arranging stmts
This avoids altering possibly shared SLP subtrees when attempting
to get rid of permutations in SLP reductions by copying the SLP
subtree before re-arranging stmts in it.
2020-02-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/93868
* tree-vect-slp.c (slp_copy_subtree): New function.
(vect_attempt_slp_rearrange_stmts): Copy the SLP tree before
re-arranging stmts in it.
* gcc.dg/torture/pr93868.c: New testcase.
Diffstat (limited to 'gcc/dwarf2out.c')
0 files changed, 0 insertions, 0 deletions