Re: [Qemu-devel] Another MIPS quiet NaN fix

[Andreas Schwab]

Daniel Jacobowitz <address@hidden> writes:

> Glibc's test-float failed on my qemu testing.  I tracked it down to
> these routines: if you count the bits carefully, you'll see that
> 0x7FC00000 sets the quiet NaN bit (on most hardware - signalling NaN
> in the MIPS case); so does a.high >> 41, which copies it from the
> original NaN.  I think this routine should not force a quiet or
> signalling NaN, but just preserve the input NaN's signalling-ness.

You may need to make sure that at least one mantissa bit is set.

Andreas.

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Andreas Schwab, SuSE Labs, address@hidden
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