[RFC] hard-reg-set.h refactoring
Paolo Bonzini
bonzini@gnu.org
Tue Aug 2 07:52:00 GMT 2011
On 08/01/2011 09:10 PM, Dimitrios Apostolou wrote:
>
> Keeping my patch exactly the same, just changing the
> hook_void_hard_reg_set to receive a (HOST_WIDEST_FAST_INT *) arg and
> doing the necessary typecasts, added an extra 3 M instructions.
>
> But the ix86_live_on_entry is only called 1233x times from df-scan.c.
> This isn't enough to explain all this overhead.
Indeed, 0.2% is hard to attribute to anything anyway. Can you try
building the patch on a couple more target and submit it?
Paolo
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