diff options
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 45 |
1 files changed, 0 insertions, 45 deletions
@@ -3351,51 +3351,6 @@ int_byte_position (const_tree field) return tree_to_shwi (byte_position (field)); } -/* Return the strictest alignment, in bits, that T is known to have. */ - -unsigned int -expr_align (const_tree t) -{ - unsigned int align0, align1; - - switch (TREE_CODE (t)) - { - CASE_CONVERT: case NON_LVALUE_EXPR: - /* If we have conversions, we know that the alignment of the - object must meet each of the alignments of the types. */ - align0 = expr_align (TREE_OPERAND (t, 0)); - align1 = TYPE_ALIGN (TREE_TYPE (t)); - return MAX (align0, align1); - - case SAVE_EXPR: case COMPOUND_EXPR: case MODIFY_EXPR: - case INIT_EXPR: case TARGET_EXPR: case WITH_CLEANUP_EXPR: - case CLEANUP_POINT_EXPR: - /* These don't change the alignment of an object. */ - return expr_align (TREE_OPERAND (t, 0)); - - case COND_EXPR: - /* The best we can do is say that the alignment is the least aligned - of the two arms. */ - align0 = expr_align (TREE_OPERAND (t, 1)); - align1 = expr_align (TREE_OPERAND (t, 2)); - return MIN (align0, align1); - - /* FIXME: LABEL_DECL and CONST_DECL never have DECL_ALIGN set - meaningfully, it's always 1. */ - case LABEL_DECL: case CONST_DECL: - case VAR_DECL: case PARM_DECL: case RESULT_DECL: - case FUNCTION_DECL: - gcc_assert (DECL_ALIGN (t) != 0); - return DECL_ALIGN (t); - - default: - break; - } - - /* Otherwise take the alignment from that of the type. */ - return TYPE_ALIGN (TREE_TYPE (t)); -} - /* Return, as a tree node, the number of elements for TYPE (which is an ARRAY_TYPE) minus one. This counts only elements of the top array. */ |