From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: FX <fxcoudert@gmail.com>
Cc: fortran@gcc.gnu.org
Subject: Re: New signaling NaN causes 12 testsuite failures
Date: Tue, 25 Jan 2022 12:20:29 -0800 [thread overview]
Message-ID: <20220125202029.GD69322@troutmask.apl.washington.edu> (raw)
In-Reply-To: <B41D2A33-2345-4169-842B-FD92F8E1C61B@gmail.com>
On Tue, Jan 25, 2022 at 09:04:05PM +0100, FX wrote:
> This is x86_64-linux, with the same source:
>
> $ gcc-10 v.c -fsignaling-nans && ./a.out
> Quiet NaN
> nan 7fc00000
> nan 7ff8000000000000
> nan 564e29277fffc000000000000000
> Signaling NaN
> nan 7fa00000
> nan 7ff4000000000000
> nan 564e29277fffa000000000000000
>
So the 7fffc and 7fffa signatures are equivalent to
what I see on FreeBSD (never seen the 564e2927 string
before). Maybe an off-by-one bit in issignaling_fallback.h?
--
Steve
next prev parent reply other threads:[~2022-01-25 20:20 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-25 0:44 Steve Kargl
2022-01-25 2:48 ` Steve Kargl
2022-01-25 8:05 ` FX
2022-01-25 17:42 ` Steve Kargl
2022-01-25 19:59 ` Steve Kargl
2022-01-25 20:04 ` FX
2022-01-25 20:20 ` Steve Kargl [this message]
2022-01-25 8:09 ` FX
2022-01-25 16:52 ` Steve Kargl
2022-01-25 19:35 ` Steve Kargl
2022-01-25 19:52 ` FX
2022-01-25 20:12 ` Steve Kargl
2022-01-25 20:45 ` Steve Kargl
2022-01-25 20:56 ` FX
2022-01-25 21:05 ` Steve Kargl
2022-01-25 23:11 ` FX
2022-01-26 10:47 ` Tobias Burnus
2022-01-26 16:02 ` Steve Kargl
2022-01-26 16:19 ` FX
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