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| author | Richard Biener <rguenther@suse.de> | 2014-04-14 08:11:08 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-04-14 08:11:08 +0000 |
| commit | a3c77ce941aeee074370680b38de3704d59983c6 (patch) | |
| tree | a7ec7184c5a24df3b6de3634e77670edfa9eb0ba /gcc/fold-const.c | |
| parent | 033aa406ca81760098f7a8b9a193d6fd2391ace6 (diff) | |
| download | gcc-a3c77ce941aeee074370680b38de3704d59983c6.zip gcc-a3c77ce941aeee074370680b38de3704d59983c6.tar.gz gcc-a3c77ce941aeee074370680b38de3704d59983c6.tar.bz2 | |
re PR tree-optimization/55022 (air.f90 is miscompliled with -m64 -O2 -fgraphite-identity after revision 190619)
2014-04-14 Richard Biener <rguenther@suse.de>
PR middle-end/55022
* fold-const.c (negate_expr_p): Don't negate directional rounding
division.
(fold_negate_expr): Likewise.
* gcc.dg/graphite/pr55022.c: New testcase.
From-SVN: r209356
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 891c0d5..5c2bf25 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -484,8 +484,6 @@ negate_expr_p (tree t) case TRUNC_DIV_EXPR: case ROUND_DIV_EXPR: - case FLOOR_DIV_EXPR: - case CEIL_DIV_EXPR: case EXACT_DIV_EXPR: /* In general we can't negate A / B, because if A is INT_MIN and B is 1, we may turn this into INT_MIN / -1 which is undefined @@ -682,8 +680,6 @@ fold_negate_expr (location_t loc, tree t) case TRUNC_DIV_EXPR: case ROUND_DIV_EXPR: - case FLOOR_DIV_EXPR: - case CEIL_DIV_EXPR: case EXACT_DIV_EXPR: /* In general we can't negate A / B, because if A is INT_MIN and B is 1, we may turn this into INT_MIN / -1 which is undefined |