From: Richard Henderson <richard.henderson@linaro.org>
To: Thomas Huth <thuth@redhat.com>,
qemu-devel@nongnu.org, Peter Maydell <peter.maydell@linaro.org>
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
"Aurelien Jarno" <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] [PATCH] fpu/softfloat: Replace countLeadingZeros32/64 with clz32/64
Date: Wed, 3 Oct 2018 12:22:02 -0500 [thread overview]
Message-ID: <567fd724-ee48-41f5-b36b-c879b55fe160@linaro.org> (raw)
In-Reply-To: <1538118095-7003-1-git-send-email-thuth@redhat.com>
On 9/28/18 2:01 AM, Thomas Huth wrote:
> Our minimum required compiler for compiling QEMU is GCC 4.1 these days,
> so we can drop the support for compilers which do not provide the
> __builtin_clz*() functions yet. Since the countLeadingZeros32/64 are
> then identical to the clz32/64 functions, and we do not have to sync
> the softloat 2 codebase with upstream anymore (softloat 3 is a complete
> rewrite) we can simply replace the functions with our QEMU versions.
>
> Suggested-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
> fpu/softfloat.c | 26 ++++++-------
> include/fpu/softfloat-macros.h | 87 ------------------------------------------
> 2 files changed, 13 insertions(+), 100 deletions(-)
Queued, thanks.
r~
next prev parent reply other threads:[~2018-10-03 17:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1538118095-7003-1-git-send-email-thuth@redhat.com>
2018-10-01 14:03 ` [Qemu-devel] [PATCH] fpu/softfloat: Replace countLeadingZeros32/64 with clz32/64 Richard Henderson
2018-10-03 10:03 ` Philippe Mathieu-Daudé
2018-10-03 17:22 ` Richard Henderson [this message]
2018-10-04 14:09 ` Alex Bennée
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=567fd724-ee48-41f5-b36b-c879b55fe160@linaro.org \
--to=richard.henderson@linaro.org \
--cc=alex.bennee@linaro.org \
--cc=aurelien@aurel32.net \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
--cc=thuth@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).