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Re: One more limits question
- From: Richard Henderson <rth at redhat dot com>
- To: Mark Mitchell <mark at codesourcery dot com>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>, "gdr at integrable-solutions dot net" <gdr at integrable-solutions dot net>
- Date: Wed, 29 Jan 2003 13:10:32 -0800
- Subject: Re: One more limits question
- References: <20030129205055.GB21841@redhat.com> <26890000.1043874185@warlock.codesourcery.com>
On Wed, Jan 29, 2003 at 01:03:05PM -0800, Mark Mitchell wrote:
> fold_builtin_nan calls real_nan. real_nan calls get_canonical_{q,s}nan
> in this case. Those functions seem to be unconditionalized in any way.
Perhaps a convert_to_move, or round_for_format smashes them?
Hmm. I see only the encode/decode things do this. Yes,
there's a bug here...
> Do you know a non-signaling-Nan target I could build a cross-compiler
> for, so that I could check out how this works?
Well, vax-bsd doesn't support NaNs at all. To my knowledge
there isn't a target that supports NaN but not SNaN.
r~