From: Nathan Froyd <froydnj@codesourcery.com>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH] target-sh4: get rid of CPU_{Float, Double}U
Date: Mon, 11 Apr 2011 07:55:05 -0700 [thread overview]
Message-ID: <20110411145502.GY23480@codesourcery.com> (raw)
In-Reply-To: <1302462785-8672-1-git-send-email-aurelien@aurel32.net>
On Sun, Apr 10, 2011 at 09:13:05PM +0200, Aurelien Jarno wrote:
> SH4 is always using softfloat, so it's possible to have helpers directly
> taking float32 or float64 value. This allow to get rid of conversions
> through CPU_{Float,Double}U.
Eh, I think this punning on i32/f32 and i64/f64 values is not healthy.
But Peter's already said that the floats-as-structs bit of softfloat is
broken, so maybe it's not worth trying to ensure floats-as-structs works
(or even making it the default, to discourage people from bit-twiddling
directly).
-Nathan
next prev parent reply other threads:[~2011-04-11 14:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-10 19:13 [Qemu-devel] [PATCH] target-sh4: get rid of CPU_{Float,Double}U Aurelien Jarno
2011-04-11 14:55 ` Nathan Froyd [this message]
2011-04-11 15:09 ` [Qemu-devel] Re: [PATCH] target-sh4: get rid of CPU_{Float, Double}U Peter Maydell
2011-04-11 15:19 ` [Qemu-devel] " Richard Henderson
2011-04-11 15:30 ` [Qemu-devel] " Peter Maydell
2011-04-11 15:32 ` [Qemu-devel] " Richard Henderson
2011-04-11 15:31 ` [Qemu-devel] " Aurelien Jarno
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