[PATCH] combine: Delete EQ* notes when pseudo mode changes (PR60818)
Eric Botcazou
ebotcazou@adacore.com
Fri Feb 19 19:34:00 GMT 2016
> It is not a regression (it is in all open release branches already).
> I can postpone it if you think that is wiser?
I do think that the combiner is one of those pieces of code that you ought not
to touch unless you really need to.
> 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?
Possibly indeed, we might need to filter them out during the move.
--
Eric Botcazou
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