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| author | Richard Guenther <rguenther@suse.de> | 2012-04-16 11:03:16 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-04-16 11:03:16 +0000 |
| commit | 8b7db2596e34866f3143938e017e97fb903b3279 (patch) | |
| tree | e0d0e98c8ce375e15c7f970bb865d04058a3c444 /gcc/tree-if-conv.c | |
| parent | 3be74079134b4fde672bdb875636a9b5f95da7ba (diff) | |
| download | gcc-8b7db2596e34866f3143938e017e97fb903b3279.zip gcc-8b7db2596e34866f3143938e017e97fb903b3279.tar.gz gcc-8b7db2596e34866f3143938e017e97fb903b3279.tar.bz2 | |
re PR tree-optimization/52975 (Ofast produces not optimized code for vectorized "converted if")
2012-04-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52975
* tree-if-conv.c (predicate_bbs): Do not simplify inverted
condition but always mark it with TRUTH_NOT_EXPR.
From-SVN: r186491
Diffstat (limited to 'gcc/tree-if-conv.c')
| -rw-r--r-- | gcc/tree-if-conv.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c index c86a4aa5..31bb610 100644 --- a/gcc/tree-if-conv.c +++ b/gcc/tree-if-conv.c @@ -968,7 +968,7 @@ predicate_bbs (loop_p loop) case GIMPLE_COND: { - tree c2, tem; + tree c2; edge true_edge, false_edge; location_t loc = gimple_location (stmt); tree c = fold_build2_loc (loc, gimple_cond_code (stmt), @@ -986,10 +986,8 @@ predicate_bbs (loop_p loop) unshare_expr (c)); /* If C is false, then FALSE_EDGE is taken. */ - c2 = invert_truthvalue_loc (loc, unshare_expr (c)); - tem = canonicalize_cond_expr_cond (c2); - if (tem) - c2 = tem; + c2 = build1_loc (loc, TRUTH_NOT_EXPR, + boolean_type_node, unshare_expr (c)); add_to_dst_predicate_list (loop, false_edge, unshare_expr (cond), c2); |