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Diffstat (limited to 'gcc/tree-ssa-reassoc.cc')
| -rw-r--r-- | gcc/tree-ssa-reassoc.cc | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/tree-ssa-reassoc.cc b/gcc/tree-ssa-reassoc.cc index 3c38f3d..c140f76 100644 --- a/gcc/tree-ssa-reassoc.cc +++ b/gcc/tree-ssa-reassoc.cc @@ -7167,9 +7167,10 @@ reassociate_bb (basic_block bb) /* If the target support FMA, rank_ops_for_fma will detect if the chain has fmas and rearrange the ops if so. */ - if (direct_internal_fn_supported_p (IFN_FMA, - TREE_TYPE (lhs), - opt_type) + if (!reassoc_insert_powi_p + && direct_internal_fn_supported_p (IFN_FMA, + TREE_TYPE (lhs), + opt_type) && (rhs_code == PLUS_EXPR || rhs_code == MINUS_EXPR)) { mult_num = rank_ops_for_fma (&ops); @@ -7200,7 +7201,8 @@ reassociate_bb (basic_block bb) to make sure the ones that get the double binary op are chosen wisely. */ int len = ops.length (); - if (len >= 3 + if (!reassoc_insert_powi_p + && len >= 3 && (!has_fma /* width > 1 means ranking ops results in better parallelism. Check current value to avoid |