diff options
Diffstat (limited to 'gcc/match.pd')
| -rw-r--r-- | gcc/match.pd | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gcc/match.pd b/gcc/match.pd index fa59624d66b..e3bb7c9ae4c 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -5789,10 +5789,16 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) (cmp (bit_and:c@2 @0 cst@1) integer_zerop) (with { tree csts = bitmask_inv_cst_vector_p (@1); } (if (csts && (VECTOR_TYPE_P (TREE_TYPE (@1)) || single_use (@2))) - (if (TYPE_UNSIGNED (TREE_TYPE (@1))) - (icmp @0 { csts; }) - (with { tree utype = unsigned_type_for (TREE_TYPE (@1)); } - (icmp (view_convert:utype @0) { csts; })))))))) + (with { auto optab = VECTOR_TYPE_P (TREE_TYPE (@1)) + ? optab_vector : optab_default; + tree utype = unsigned_type_for (TREE_TYPE (@1)); } + (if (target_supports_op_p (utype, icmp, optab) + || (optimize_vectors_before_lowering_p () + && (!target_supports_op_p (type, cmp, optab) + || !target_supports_op_p (type, BIT_AND_EXPR, optab)))) + (if (TYPE_UNSIGNED (TREE_TYPE (@1))) + (icmp @0 { csts; }) + (icmp (view_convert:utype @0) { csts; }))))))))) /* When one argument is a constant, overflow detection can be simplified. Currently restricted to single use so as not to interfere too much with |