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From: Richard Henderson <rth@twiddle.net>
To: Al Viro <viro@ZenIV.linux.org.uk>,
	Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [RFC] alpha qemu arithmetic exceptions
Date: Tue, 08 Jul 2014 11:12:20 -0700	[thread overview]
Message-ID: <53BC3484.9050802@twiddle.net> (raw)
In-Reply-To: <20140708161351.GC18016@ZenIV.linux.org.uk>

On 07/08/2014 09:13 AM, Al Viro wrote:
> Frankly, I suspect that it's better to have qemu-system-alpha behave like
> the actual hardware does (including "FPCR.DNOD can't be set") and keep the
> linux-user behaviour as is, for somebody brave and masochistic enough to
> fight that one.  And no, it's nowhere near "just let denorms ride through
> the normal softfloat code and play a bit with the flags it might raise".
> And then there's netbsd/alpha and openbsd/alpha, so in theory somebody might
> want to play with their software completion semantics (not identical to Linux
> one) for the sake of yet-to-be-written bsd-user alpha support...

You're probably right there.

I've pushed a couple more patches to the branch, split out from your patch
here.  I believe I've got it all, and havn't mucked things up in the process.
I'll run some tests later today when I've got time.


r~

  parent reply	other threads:[~2014-07-08 18:12 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-24  4:34 [Qemu-devel] [RFC] alpha qemu arithmetic exceptions Al Viro
2014-06-24 16:52 ` Al Viro
2014-06-24 18:33   ` Richard Henderson
2014-06-24 20:32     ` Al Viro
2014-06-24 20:57       ` Richard Henderson
2014-06-24 21:24         ` Al Viro
2014-06-24 21:32           ` Richard Henderson
2014-06-25  7:01             ` Al Viro
2014-06-25  9:27               ` Peter Maydell
2014-06-25 14:26                 ` Al Viro
2014-06-25 17:41                   ` Peter Maydell
2014-06-26  5:55               ` Al Viro
2014-06-30 18:39                 ` Richard Henderson
2014-06-30 20:56                   ` Al Viro
2014-07-01  4:34                     ` Al Viro
2014-07-01  5:00                       ` Al Viro
2014-07-01 14:31                       ` Richard Henderson
2014-07-01 17:03                     ` Richard Henderson
2014-07-01 17:50                       ` Al Viro
2014-07-01 18:23                         ` Peter Maydell
2014-07-01 18:30                           ` Richard Henderson
2014-07-01 19:08                             ` Peter Maydell
2014-07-02  4:05                             ` Al Viro
2014-07-02  5:50                               ` Al Viro
2014-07-02  6:17                                 ` Al Viro
2014-07-02 15:26                                   ` Richard Henderson
2014-07-02 15:49                                     ` Al Viro
2014-07-02 14:59                               ` Richard Henderson
2014-07-02 15:20                                 ` Al Viro
2014-07-03  6:51                                   ` Al Viro
2014-07-03 18:25                                     ` Al Viro
2014-07-03 20:19                                       ` Richard Henderson
2014-07-03 22:47                                         ` Al Viro
2014-07-03 23:05                                           ` Peter Maydell
2014-07-03 23:22                                             ` Al Viro
2014-07-04  0:50                                         ` Al Viro
2014-07-04  4:30                                           ` Richard Henderson
2014-07-04  7:29                                             ` Al Viro
2014-07-05  1:40                                               ` Al Viro
2014-07-05  5:26                                                 ` Al Viro
2014-07-05 21:09                                                 ` Al Viro
2014-07-05 22:55                                                   ` Al Viro
2014-07-07 14:11                                                     ` Richard Henderson
2014-07-07 15:06                                                       ` Al Viro
2014-07-07 16:20                                                         ` Richard Henderson
2014-07-08  4:20                                                           ` Al Viro
2014-07-08  6:03                                                             ` Richard Henderson
2014-07-08  6:54                                                               ` Al Viro
2014-07-08  7:13                                                                 ` Al Viro
2014-07-08  8:05                                                                   ` Peter Maydell
2014-07-08 14:53                                                                     ` Richard Henderson
2014-07-08 16:13                                                                     ` Al Viro
2014-07-08 16:33                                                                       ` Peter Maydell
2014-07-08 17:20                                                                         ` Al Viro
2014-07-08 19:32                                                                           ` Peter Maydell
2014-07-08 20:12                                                                             ` Al Viro
2014-07-09  9:19                                                                               ` Alex Bennée
2014-07-09  9:04                                                                         ` Alex Bennée
2014-07-08 18:12                                                                       ` Richard Henderson [this message]
2014-07-08 19:02                                                                         ` Al Viro
2014-07-08 19:04                                                                           ` Richard Henderson
2014-07-08 20:20                                                                             ` Al Viro
2014-07-09  4:59                                                                               ` Richard Henderson
2014-07-09  5:47                                                                                 ` Al Viro
2014-07-09 15:14                                                                                   ` Richard Henderson
2014-07-09 16:41                                                                                     ` Al Viro
2014-06-24 18:23 ` Richard Henderson
2014-06-24 20:47   ` Al Viro

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