XFAIL libm-test.inc tests as needed for ibm128 [committed]

[Tulio Magno Quites Machado Filho]

Joseph Myers <joseph@codesourcery.com> writes:

> This patch arranges for various libm-test.inc tests to be XFAILed for
> ibm128-libgcc in non-default rounding modes.  The tests are marked
> with XFAIL_ROUNDING_IBM128_LIBGCC and gen-libm-test.pl is made to
> transform that to XFAIL_IBM128_LIBGCC or 0 depending on the rounding
> mode.
>
> This should allow test-ldouble, test-ildouble and test-ldouble-finite
> to pass with unmodified libgcc, given an ulps regeneration.

Just for completeness: building without --with-cpu.

I'm still seeing errors on powerpc using --with-cpu=power8, powerpc64
and powerpc64le.

> (The case of patched libgcc was already clean up to ulps

Which patch are you referring to?

Thanks!

-- 
Tulio Magno