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Date: Sun, 18 Jan 2004 15:03:13 -0800
From: David Schultz <das@FreeBSD.ORG>
To: Marcel Moolenaar <marcel@xcllnt.net>, src-committers@FreeBSD.ORG,
	cvs-src@FreeBSD.ORG, cvs-all@FreeBSD.ORG
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Subject: Re: cvs commit: src/lib/libc/gdtoa Makefile.inc _hdtoa.c
	src/lib/libc/stdio vfprintf.c
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On Sun, Jan 18, 2004, David Schultz wrote:
> The correct result is 4.940656e-324, which is denormalized.  Some
> architectures generate a trap for denormals and expect them to be
> handled in software, but I didn't think that IA64 was one of them.
> I'm looking over the IA64 architecture manual now to see if I can
> figure out what's going on...

Upon further examination, it looks like IA64 *does* delegate the
edge cases of the IEEE 754 standard to software, unlike the x86.
This implies that there may be a problem with the software assist
routines that the kernel calls when it gets a trap.  I don't have
any IA64 hardware to muck around with, though, so I can't tell you
anything more.