[Bug math/23253] tgamma test suite failures on i686 with -march=x86-64 -mtune=generic -mfpmath=sse

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23253

--- Comment #3 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Joseph Myers from comment #2)
> Created attachment 11049 [details]
> Patch to add barriers to tgamma
> 
> This is an updated version of the old patch (originally written when looking
> at failures which turned out to be a compiler bug instead).  Not tested.

I gave it a try and it does not help.

The failure reproduces with --disable-multi-arch as well.  I will try to debug
it as per your instructions.

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