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Diffstat (limited to 'gcc/tree-ssa-reassoc.cc')
| -rw-r--r-- | gcc/tree-ssa-reassoc.cc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/tree-ssa-reassoc.cc b/gcc/tree-ssa-reassoc.cc index 4ab3c3361f9..43b25371d4b 100644 --- a/gcc/tree-ssa-reassoc.cc +++ b/gcc/tree-ssa-reassoc.cc @@ -2254,7 +2254,11 @@ eliminate_redundant_comparison (enum tree_code opcode, BIT_AND_EXPR or BIT_IOR_EXPR was of a wider integer type, we need to convert. */ if (!useless_type_conversion_p (TREE_TYPE (curr->op), TREE_TYPE (t))) - t = fold_convert (TREE_TYPE (curr->op), t); + { + if (!fold_convertible_p (TREE_TYPE (curr->op), t)) + continue; + t = fold_convert (TREE_TYPE (curr->op), t); + } if (TREE_CODE (t) != INTEGER_CST && !operand_equal_p (t, curr->op, 0)) @@ -5857,7 +5861,9 @@ try_special_add_to_ops (vec<operand_entry *> *ops, && gimple_assign_rhs_code (def_stmt) == NEGATE_EXPR && !HONOR_SNANS (TREE_TYPE (op)) && (!HONOR_SIGNED_ZEROS (TREE_TYPE (op)) - || !COMPLEX_FLOAT_TYPE_P (TREE_TYPE (op)))) + || !COMPLEX_FLOAT_TYPE_P (TREE_TYPE (op))) + && (!FLOAT_TYPE_P (TREE_TYPE (op)) + || !DECIMAL_FLOAT_MODE_P (element_mode (op)))) { tree rhs1 = gimple_assign_rhs1 (def_stmt); tree cst = build_minus_one_cst (TREE_TYPE (op)); |