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[Bug math/22902] float128 test failures with GCC 8


https://sourceware.org/bugzilla/show_bug.cgi?id=22902

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to joseph@codesourcery.com from comment #1)
> I suspect a GCC bug.
> 
> These functions rely on knowing that libgcc's soft-fp for float128 uses 
> the x87 rounding mode for 32-bit but the SSE rounding mode for 64-bit - 

My GCC is configured with -with-fpmath=sse.

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