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| author | Richard Biener <rguenther@suse.de> | 2017-04-04 09:06:04 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-04-04 09:06:04 +0000 |
| commit | 248179b5fc812b294e2488b23fedaaabe099ad9d (patch) | |
| tree | 46598b536dd7896cb9ef0ba26970bcac31af8696 /gcc/fortran/symbol.c | |
| parent | a577fcf2d5ec9695efb5c086fd328cf378289a55 (diff) | |
| download | gcc-248179b5fc812b294e2488b23fedaaabe099ad9d.zip gcc-248179b5fc812b294e2488b23fedaaabe099ad9d.tar.gz gcc-248179b5fc812b294e2488b23fedaaabe099ad9d.tar.bz2 | |
re PR tree-optimization/80281 (Wrong constant folding)
2017-04-04 Richard Biener <rguenther@suse.de>
PR middle-end/80281
* match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
arithmetic done for the negate or the plus. Simplify.
(A - (-B) -> A + B): Likewise.
* fold-const.c (split_tree): Make sure to not negate pointers.
* gcc.dg/torture/pr80281.c: New testcase.
From-SVN: r246674
Diffstat (limited to 'gcc/fortran/symbol.c')
0 files changed, 0 insertions, 0 deletions