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RE: [PATCH 1/2, combine] Try REG_EQUAL for nonzero_bits


> From: Jeff Law [mailto:law@redhat.com]
> Sent: Wednesday, February 11, 2015 2:04 PM
> 
> Given the rs6000 is affected, one could do before/after tests natively
> in the gcc farm to ensure that removing that code doesn't change the
> generated code across a bootstrap.

Wouldn't that only tell whether the macro can stay undefined for rs6000?
MD files for rs6000 could have been tighten since then but not others
backend's MD files.

> 
> That's probably how I'd approach gathering some data about whether or
> not the comment/code is still appropriate/needed.

Do people with svn access automatically have access to the GCC farm or
does one needs to request such access?

Best regards,

Thomas





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