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| author | Joel Hutton <joel.hutton@arm.com> | 2020-09-30 15:08:13 +0100 |
|---|---|---|
| committer | Joel Hutton <joel.hutton@arm.com> | 2020-09-30 15:16:29 +0100 |
| commit | 97b798d80baf945ea28236eef3fa69f36626b579 (patch) | |
| tree | 6e1f24cccbeeb478f55aeda3f0cacc408d56a60b /gcc/tree-ssa-threadupdate.c | |
| parent | aa248b8db9a7594fcc84e52a84d56526d4284ca8 (diff) | |
| download | gcc-97b798d80baf945ea28236eef3fa69f36626b579.zip gcc-97b798d80baf945ea28236eef3fa69f36626b579.tar.gz gcc-97b798d80baf945ea28236eef3fa69f36626b579.tar.bz2 | |
[SLP][VECT] Add check to fix 96837
The following patch adds a simple check to prevent slp stmts from
vector constructors being rearranged. vect_attempt_slp_rearrange_stmts
tries to rearrange to avoid a load permutation.
This fixes PR target/96837
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96827
gcc/ChangeLog:
2020-09-29 Joel Hutton <joel.hutton@arm.com>
PR target/96837
* tree-vect-slp.c (vect_analyze_slp): Do not call
vect_attempt_slp_rearrange_stmts for vector constructors.
gcc/testsuite/ChangeLog:
2020-09-29 Joel Hutton <joel.hutton@arm.com>
PR target/96837
* gcc.dg/vect/bb-slp-49.c: New test.
Diffstat (limited to 'gcc/tree-ssa-threadupdate.c')
0 files changed, 0 insertions, 0 deletions