diff options
Diffstat (limited to 'gcc/expr.h')
| -rw-r--r-- | gcc/expr.h | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -748,4 +748,23 @@ extern void expand_case (gimple); /* Like expand_case but special-case for SJLJ exception dispatching. */ extern void expand_sjlj_dispatch_table (rtx, vec<tree> ); +/* Determine whether the LEN bytes can be moved by using several move + instructions. Return nonzero if a call to move_by_pieces should + succeed. */ +extern int can_move_by_pieces (unsigned HOST_WIDE_INT, unsigned int); + +extern unsigned HOST_WIDE_INT highest_pow2_factor (const_tree); +bool array_at_struct_end_p (tree); + +/* Return a tree of sizetype representing the size, in bytes, of the element + of EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */ +extern tree array_ref_element_size (tree); + +extern bool categorize_ctor_elements (const_tree, HOST_WIDE_INT *, + HOST_WIDE_INT *, bool *); + +/* Return a tree representing the offset, in bytes, of the field referenced + by EXP. This does not include any offset in DECL_FIELD_BIT_OFFSET. */ +extern tree component_ref_field_offset (tree); + #endif /* GCC_EXPR_H */ |