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| author | Wilco Dijkstra <wilco@gcc.gnu.org> | 2017-11-07 12:38:55 +0000 |
|---|---|---|
| committer | Wilco Dijkstra <wilco@gcc.gnu.org> | 2017-11-07 12:38:55 +0000 |
| commit | 6a435314929c9dc355c0f8d1c3299e1214ce580f (patch) | |
| tree | 70971fd48048e5c514ac4e25841ff7ca4f9d2224 /gcc/gimplify.c | |
| parent | 4349b15f97fcbb6b7cdd96bb5bff0af1eb78e653 (diff) | |
| download | gcc-6a435314929c9dc355c0f8d1c3299e1214ce580f.zip gcc-6a435314929c9dc355c0f8d1c3299e1214ce580f.tar.gz gcc-6a435314929c9dc355c0f8d1c3299e1214ce580f.tar.bz2 | |
PR71026: Canonicalize negates in division
Canonicalize x / (- y) into (-x) / y.
This moves negates out of the RHS of a division in order to
allow further simplifications and potentially more reciprocal CSEs.
2017-11-07 Wilco Dijkstra <wdijkstr@arm.com>
Jackson Woodruff <jackson.woodruff@arm.com>
gcc/
PR tree-optimization/71026
* match.pd: Canonicalize negate in division.
testsuite/
PR 71026/tree-optimization/71026
* gcc.dg/div_neg: New test.
From-SVN: r254497
Diffstat (limited to 'gcc/gimplify.c')
0 files changed, 0 insertions, 0 deletions