On Mon, 27 Oct 2014, David Edelsohn wrote:

> Richi,
> 
> The bootstrap with an empty match.pd seems to be succeeding.  I don't
> know if you have disabled optimizations in other passes that now are
> implemented in genmatch.  Regular testing of AIX is important to
> discover bootstrap issues early and avoid more release blocking
> issues.

Yes, the patterns implemented in match.pd have been removed from
fold-const.c.  So this will definitely affect some testcases
with respect to constant expressions no longer being constant
for example.

I didn't even expect that bootstrap succeeds - that it does is
good news.

> AIX and PPC64 Linux (Big Endian) use basically the same ABI, but PPC64
> Linux defaults to 64 bit and AIX defaults to 32 bit, so it's not
> testing exactly the same code paths.

Ah, I'm trying --with-cpu=default32 then while waiting for cfarm
access.

Thanks,
Richard.

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