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Re: RFA: MN10300: Add redundant comparison elimination pass


On 11/10/10 11:59, Richard Henderson wrote:
On 11/10/2010 09:49 AM, Jeff Law wrote:
Is this the first time we've converted a target from cc0 which didn't
have a way to perform arithmetic without clobbering the flags? If
not, then how did we handle it before.
Sort-of.  Nick did convert the RX port away from cc0, and it also
doesn't have a non-flags-clobbering add.  But he makes no attempt
to tidy up redundant flag settings there.
I think I'm going to withdraw my original objection. I think there's a few things that are reasonably unique here.

jeff


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