> Jan Hubicka <[EMAIL PROTECTED]> writes:
>
> > Producing USE expressions embedding whole INSN. The comment promise
> > that those will be removed before reorg ends, but they are not. This
> > patch just adds simple code to remove them in very last dbr_schedule
> > pass.
>
> I see code in dbr_schedule to delete them:
>
> /* Delete any USE insns made by update_block; subsequent passes don't need
> them or know how to deal with them. */
> for (insn = first; insn; insn = next)
> {
> next = NEXT_INSN (insn);
>
> if (NONJUMP_INSN_P (insn) && GET_CODE (PATTERN (insn)) == USE
> && INSN_P (XEXP (PATTERN (insn), 0)))
> next = delete_related_insns (insn);
> }
>
> Why is that not working?
Hmm, good catch. I didn't noticed that code.
The problem is that update_block is still called after this loop is
done, at least moving that loop down past the loop just bellow it solves
the ICE too.
I must admit I have no idea what those placeholders are good for...
Honza
>
> Ian
