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Re: LOG_LINKS field not set because of gcse1 (or fwprop1) pass


On Mon, Aug 14, 2006 at 08:37:41AM +0200, Paolo Bonzini wrote:

> But isn't reg 32 dead, because it is only set by insn 98:
> 
> (insn 98 96 101 9 (set (reg/v:HI 32 [ size ])
>         (reg:HI 43)) 33 {movhi} (insn_list:REG_DEP_TRUE 96 (nil))
>     (nil))
> 
> after copyprop?

No, because insn 96, which reads reg 32, might be executed the next time
through the loop.

-- 
Rask Ingemann Lambertsen


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