diff options
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index 10f8482..13a79dc 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -923,19 +923,9 @@ useless_type_conversion_p_1 (tree outer_type, tree inner_type) || TYPE_PRECISION (inner_type) != TYPE_PRECISION (outer_type)) return false; - /* Conversions from a non-base to a base type are not useless. - This way we preserve the invariant to do arithmetic in - base types only. */ - if (TREE_TYPE (inner_type) - && TREE_TYPE (inner_type) != inner_type - && (TREE_TYPE (outer_type) == outer_type - || TREE_TYPE (outer_type) == NULL_TREE)) - return false; - /* We don't need to preserve changes in the types minimum or maximum value in general as these do not generate code unless the types precisions are different. */ - return true; } |