contrib/gcc/stor-layout.c

541   rli->offset = size_zero_node;
552    the offset/bitpos forms and byte and bit offsets.  */
555 bit_from_pos (tree offset, tree bitpos)
559 				 fold_convert (bitsizetype, offset),
564 byte_from_pos (tree offset, tree bitpos)
566   return size_binop (PLUS_EXPR, offset,
584 /* Given a pointer to bit and byte offsets and an offset alignment,
614   print_node_brief (stderr, "\noffset", rli->offset, 0);
641   normalize_offset (&rli->offset, &rli->bitpos, rli->offset_align);
649   return byte_from_pos (rli->offset, rli->bitpos);
657   return bit_from_pos (rli->offset, rli->bitpos);
791     rli->offset = size_binop (MAX_EXPR, rli->offset, DECL_SIZE_UNIT (field));
793     rli->offset = fold_build3 (COND_EXPR, sizetype,
795 			       DECL_SIZE_UNIT (field), rli->offset);
808   unsigned HOST_WIDE_INT offset = byte_offset * BITS_PER_UNIT + bit_offset;
810   offset = offset % align;
811   return ((offset + size + align - 1) / align
864       DECL_FIELD_OFFSET (field) = rli->offset;
875   else if (integer_zerop (rli->offset))
877   else if (host_integerp (rli->offset, 1))
879 		   * (tree_low_cst (rli->offset, 1)
880 		      & - tree_low_cst (rli->offset, 1)));
924 	  rli->offset
925 	    = size_binop (PLUS_EXPR, rli->offset,
931 	  rli->offset = round_up (rli->offset, desired_align / BITS_PER_UNIT);
934       if (! TREE_CONSTANT (rli->offset))
951       && host_integerp (rli->offset, 1)
957       HOST_WIDE_INT offset = tree_low_cst (rli->offset, 0);
967       if (excess_unit_span (offset, bit_offset, field_size, type_align, type))
983       && host_integerp (rli->offset, 1)
989       HOST_WIDE_INT offset = tree_low_cst (rli->offset, 0);
1006       if (excess_unit_span (offset, bit_offset, field_size, type_align, type))
1156   DECL_FIELD_OFFSET (field) = rli->offset;
1186      adjust the offset, resetting the bit position.  Otherwise, apportion the
1187      size amongst the bit position and offset.  First handle the case of an
1196       rli->offset
1197 	= size_binop (PLUS_EXPR, rli->offset,
1201       rli->offset
1202 	= size_binop (PLUS_EXPR, rli->offset, DECL_SIZE_UNIT (field));
1237   /* Now we want just byte and bit offsets, so set the offset alignment