[Bug 289232] i386 (x87) signal incorrectly reports FPE_FLTRES over FPE_FLTUND when both are present

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 289232] i386 (x87) signal incorrectly reports FPE_FLTRES over FPE_FLTUND when both are present"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 02 Sep 2025 00:39:35 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289232

--- Comment #14 from Konstantin Belousov <kib@FreeBSD.org> ---
And the last note from me:
if you look at %st(0) in debugger after the FDIVP instruction, the value is
st0            1.00000000000000002164e-600 (raw 0x3835e5a04aa62b554000)
which does not seems to be a denormal to me, the exponent is not zero.

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