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| author | Richard Biener <rguenther@suse.de> | 2021-07-01 12:49:45 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-07-01 13:38:59 +0200 |
| commit | 0a77c07b9b3fe83679358c3ef57721e09e2ad5fb (patch) | |
| tree | 27e44924fdf36ccf4e2d4bd2f277440e76d08f71 /gcc/recog.c | |
| parent | 09a7b00ac3075e3544978027f47b68fce54adabb (diff) | |
| download | gcc-0a77c07b9b3fe83679358c3ef57721e09e2ad5fb.zip gcc-0a77c07b9b3fe83679358c3ef57721e09e2ad5fb.tar.gz gcc-0a77c07b9b3fe83679358c3ef57721e09e2ad5fb.tar.bz2 | |
tree-optimization/101280 - revise interchange fix for PR101173
The following revises the original fix for PR101173 to correctly
check for a reversed dependence rather than disallowing a zero
distance. It also adds a check from TSVC which asks for this
kind of interchange (but with a valid dependence).
2021-07-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/101280
PR tree-optimization/101173
* gimple-loop-interchange.cc
(tree_loop_interchange::valid_data_dependences): Revert
previous change and instead correctly handle DDR_REVERSED_P
dependence.
* gcc.dg/tree-ssa/loop-interchange-16.c: New testcase.
Diffstat (limited to 'gcc/recog.c')
0 files changed, 0 insertions, 0 deletions