From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: aurelien@aurel32.net
Subject: Re: [Qemu-devel] [PATCH v2] target-mips: Use TCG registers for the FPU.
Date: Fri, 05 Oct 2012 07:20:01 -0700 [thread overview]
Message-ID: <506EEC91.1020606@twiddle.net> (raw)
In-Reply-To: <1348034655-2946-1-git-send-email-rth@twiddle.net>
Ping. You gave it your Reviewed-by.
r~
On 09/18/2012 11:04 PM, Richard Henderson wrote:
> With normal FP, this doesn't have much affect on the generated code,
> because most of the FP operations are not CONST/PURE, and so we spill
> registers in about the same frequency as the explicit load/stores.
>
> But with Loongson multimedia instructions, which are all integral and
> whose helpers are in fact CONST+PURE, this greatly improves the code.
>
> Signed-off-by: Richard Henderson <rth@twiddle.net>
> ---
>
> As requested, only generating 64-bit fp registers now. The generated
> code looks quite good on i386. It could be a tad better for x86_64,
> but it's still better than it was.
>
>
> r~
>
>
> target-mips/translate.c | 96 +++++++++++++++++++++++++++----------------------
> 1 file changed, 54 insertions(+), 42 deletions(-)
next prev parent reply other threads:[~2012-10-05 14:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-19 6:04 [Qemu-devel] [PATCH v2] target-mips: Use TCG registers for the FPU Richard Henderson
2012-09-19 20:07 ` Aurelien Jarno
2012-10-05 14:20 ` Richard Henderson [this message]
2012-10-05 17:03 ` Aurelien Jarno
2012-10-29 14:34 ` Aurelien Jarno
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=506EEC91.1020606@twiddle.net \
--to=rth@twiddle.net \
--cc=aurelien@aurel32.net \
--cc=qemu-devel@nongnu.org \
/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).