On Fri, Feb 19, 2016 at 07:39:03PM +0100, Eric Botcazou wrote: > > Not for stage 4 certainly. > > If we go this way, is the bug a regression? If no, why rushing the fix?
It is not a regression (it is in all open release branches already). I can postpone it if you think that is wiser? > > That moves those notes to i2notes, and then distribute_notes drops them? > > That's not why I understand though. The code appends i2notes to i3notes and > distribute_notes will preserve them on i3: I misread it as moving the notes from i3 to i2, ugh. It looks like we do have a problem if i2 is a parallel with only one SET; but we already had a problem anyway? The REG_EQ* is put on the wrong insn? Segher
