On Sep 22, 2014, at 11:22 AM, Jan Hubicka <hubi...@ucw.cz> wrote: >> Not quite: >> >> offset_int woffset >> = (wi::to_offset (xoffset) >> + wi::lrshift (wi::to_offset (DECL_FIELD_BIT_OFFSET (field)), >> LOG2_BITS_PER_UNIT)); >> >> offset_int is the type that can hold all bit positions, byte positions, byte >> sizes and bit sizes. > > Yep, I worked that out in meantime. Now I get: > ../../gcc/tree.h: In function �long int int_bit_position(const_tree)�: > ../../gcc/tree.h:3890:24: error: �to_offset� is not a member of �wi� > return (wi::lrshift (wi::to_offset (DECL_FIELD_OFFSET (field)), > BITS_PER_UNIT_LOG)
That is defined later in tree.h? If you want to use it in tree.h, you will have to have it after to_offset is defined. Alternatively, you can move it up, but, you will need to understand the dependancies some (or try some builds).
