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Re: Fix PR optimization/7520
On Thu, Sep 19, 2002 at 11:58:13PM +0200, Eric Botcazou wrote:
> > If eax is live after this instruction in this block,
> That's the case (see my first message). That's what I meant by "when the
> clobbered register is live after the insn".
> > with no other uses, that is wrong.
> So the principle of the patch (preventing flow2 from putting its REG_DEAD
> note) is correct ?
No. The REG_DEAD note is not the problem. The liveness
propagation happened elsewhere.