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Re: Fix PR optimization/7520


> 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 ?

--
Eric Botcazou


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