diff options
Diffstat (limited to 'gcc/stmt.c')
| -rw-r--r-- | gcc/stmt.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c index 5560dbc5b2d..a9bb3e6682a 100644 --- a/gcc/stmt.c +++ b/gcc/stmt.c @@ -2139,8 +2139,10 @@ add_case_node (struct case_node *head, tree type, tree low, tree high, if (!high || tree_int_cst_equal (low, high)) { /* If the simple case value is unreachable, ignore it. */ - if (tree_int_cst_compare (low, min_value) < 0 - || tree_int_cst_compare (low, max_value) > 0) + if ((TREE_CODE (min_value) == INTEGER_CST + && tree_int_cst_compare (low, min_value) < 0) + || (TREE_CODE (max_value) == INTEGER_CST + && tree_int_cst_compare (low, max_value) > 0)) return head; low = fold_convert (type, low); high = low; @@ -2148,19 +2150,23 @@ add_case_node (struct case_node *head, tree type, tree low, tree high, else { /* If the entire case range is unreachable, ignore it. */ - if (tree_int_cst_compare (high, min_value) < 0 - || tree_int_cst_compare (low, max_value) > 0) + if ((TREE_CODE (min_value) == INTEGER_CST + && tree_int_cst_compare (high, min_value) < 0) + || (TREE_CODE (max_value) == INTEGER_CST + && tree_int_cst_compare (low, max_value) > 0)) return head; /* If the lower bound is less than the index type's minimum value, truncate the range bounds. */ - if (tree_int_cst_compare (low, min_value) < 0) + if (TREE_CODE (min_value) == INTEGER_CST + && tree_int_cst_compare (low, min_value) < 0) low = min_value; low = fold_convert (type, low); /* If the upper bound is greater than the index type's maximum value, truncate the range bounds. */ - if (tree_int_cst_compare (high, max_value) > 0) + if (TREE_CODE (max_value) == INTEGER_CST + && tree_int_cst_compare (high, max_value) > 0) high = max_value; high = fold_convert (type, high); } |