Re: [lto] don't assume pointer size

[Richard Biener <richard.guenther@gmail.com>]

On Thu, Oct 16, 2014 at 12:07 AM, DJ Delorie <dj@redhat.com> wrote:
>
> In the event that pointer sizes aren't powers of two, choose a more
> suitable alignment than (unsigned)(-1), which results in HUGE file
> sizes.  Ok?

Ok.

Thanks,
Richard.

> Index: gcc/lto/lto-object.c
> ===================================================================
> --- gcc/lto/lto-object.c        (revision 216287)
> +++ gcc/lto/lto-object.c        (working copy)
> @@ -335,13 +335,13 @@ lto_obj_begin_section (const char *name)
>    lo = (struct lto_simple_object *) current_out_file;
>    gcc_assert (lo != NULL
>               && lo->sobj_r == NULL
>               && lo->sobj_w != NULL
>               && lo->section == NULL);
>
> -  align = exact_log2 (POINTER_SIZE / BITS_PER_UNIT);
> +  align = ceil_log2 (POINTER_SIZE_UNITS);
>    lo->section = simple_object_write_create_section (lo->sobj_w, name, align,
>                                                     &errmsg, &err);
>    if (lo->section == NULL)
>      {
>        if (err == 0)
>         fatal_error ("%s", errmsg);