diff options
| author | Richard Biener <rguenther@suse.de> | 2021-09-29 11:18:23 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-09-29 13:46:39 +0200 |
| commit | 4c7731081647c22cbd249dc0faa20c3df9ed6411 (patch) | |
| tree | 174a6e344ceac511ebd4f06a875c851aa473198c /gcc/config.gcc | |
| parent | a459ee44c0a74b0df0485ed7a56683816c02aae9 (diff) | |
| download | gcc-4c7731081647c22cbd249dc0faa20c3df9ed6411.zip gcc-4c7731081647c22cbd249dc0faa20c3df9ed6411.tar.gz gcc-4c7731081647c22cbd249dc0faa20c3df9ed6411.tar.bz2 | |
Fix peeling for alignment with negative step
The following fixes a regression causing us to no longer peel
negative step loops for alignment. With dr_misalignment now
applying the bias for negative step we have to do the reverse
when adjusting the misalignment for peeled DRs.
2021-09-29 Richard Biener <rguenther@suse.de>
* tree-vect-data-refs.c (vect_dr_misalign_for_aligned_access):
New helper.
(vect_update_misalignment_for_peel): Use it to update
misaligned to the value necessary for an aligned access.
(vect_get_peeling_costs_all_drs): Likewise.
(vect_enhance_data_refs_alignment): Likewise.
* gcc.target/i386/vect-alignment-peeling-1.c: New testcase.
* gcc.target/i386/vect-alignment-peeling-2.c: Likewise.
Diffstat (limited to 'gcc/config.gcc')
0 files changed, 0 insertions, 0 deletions