[RFC, v3] New -fcompare-elim pass

[Richard Henderson]

On 01/18/2011 12:45 AM, Paolo Bonzini wrote:
> Besides this, "seems to be perfect".

Heh.  Anyway, here's v3, with comments from v2 addressed.

I realize that neither mn10300 nor rx are even secondary targets.
However, this patch avoids a regression for these targets, and 
Nick did post a patch trying to address this (which I rejected)
at least as early as October.

Therefore I'm requesting that the Release Manager consider allowing
this pass at this late stage.


r~
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