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author | Richard Biener <rguenther@suse.de> | 2019-04-08 13:54:02 +0000 |
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committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-04-08 13:54:02 +0000 |
commit | a265c9a929b4ca727e9b0c93eb98e15244f2735c (patch) | |
tree | b058f1cb2343f3c7617a416d726b7a0c79311399 /gcc/tree-vect-data-refs.c | |
parent | b8e214c6b32789f96256bf1a89490dbc550a9dc8 (diff) |
re PR tree-optimization/90006 (gcc loops indefinitely around vect_get_constant_vectors on -O2 -ftree-slp-vectorize -fno-math-errno)
2019-04-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/90006
* tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
calls like lrint.
* gcc.dg/vect/bb-slp-pr90006.c: New testcase.
From-SVN: r270210
Diffstat (limited to 'gcc/tree-vect-data-refs.c')
-rw-r--r-- | gcc/tree-vect-data-refs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 1380088af6a..8f185c99dad 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -145,6 +145,15 @@ vect_get_smallest_scalar_type (stmt_vec_info stmt_info, if (rhs < lhs) scalar_type = rhs_type; } + else if (is_gimple_call (stmt_info->stmt) + && gimple_call_num_args (stmt_info->stmt) > 0) + { + tree rhs_type = TREE_TYPE (gimple_call_arg (stmt_info->stmt, 0)); + + rhs = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (rhs_type)); + if (rhs < lhs) + scalar_type = rhs_type; + } *lhs_size_unit = lhs; *rhs_size_unit = rhs; |