diff options
Diffstat (limited to 'gcc/gimple-expr.c')
| -rw-r--r-- | gcc/gimple-expr.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/gimple-expr.c b/gcc/gimple-expr.c index 8116993..44a0b87 100644 --- a/gcc/gimple-expr.c +++ b/gcc/gimple-expr.c @@ -37,6 +37,7 @@ along with GCC; see the file COPYING3. If not see #include "tree-pass.h" #include "stringpool.h" #include "attribs.h" +#include "target.h" /* ----- Type related ----- */ @@ -147,10 +148,12 @@ useless_type_conversion_p (tree outer_type, tree inner_type) /* Recurse for vector types with the same number of subparts. */ else if (TREE_CODE (inner_type) == VECTOR_TYPE - && TREE_CODE (outer_type) == VECTOR_TYPE - && TYPE_PRECISION (inner_type) == TYPE_PRECISION (outer_type)) - return useless_type_conversion_p (TREE_TYPE (outer_type), - TREE_TYPE (inner_type)); + && TREE_CODE (outer_type) == VECTOR_TYPE) + return (known_eq (TYPE_VECTOR_SUBPARTS (inner_type), + TYPE_VECTOR_SUBPARTS (outer_type)) + && useless_type_conversion_p (TREE_TYPE (outer_type), + TREE_TYPE (inner_type)) + && targetm.compatible_vector_types_p (inner_type, outer_type)); else if (TREE_CODE (inner_type) == ARRAY_TYPE && TREE_CODE (outer_type) == ARRAY_TYPE) |