From: Richard Henderson <rth@twiddle.net>
To: Steve Ellcey <sellcey@mips.com>
Cc: libc-ports@sourceware.org
Subject: Re: [PATCH] Speed up libm on MIPS
Date: Fri, 20 Sep 2013 15:01:00 -0000 [thread overview]
Message-ID: <523C6327.2020303@twiddle.net> (raw)
In-Reply-To: <1379631395.5770.445.camel@ubuntu-sellcey>
On 09/19/2013 03:56 PM, Steve Ellcey wrote:
> +libc_fesetenv_mips (fenv_t *envp)
> +{
> + fpu_control_t cw;
> +
> + /* Read first current state to flush fpu pipeline. */
> + _FPU_GETCW (cw);
> +
> + if (envp == FE_DFL_ENV)
> + _FPU_SETCW (_FPU_DEFAULT);
> + else if (envp == FE_NOMASK_ENV)
> + _FPU_SETCW (_FPU_IEEE);
> + else
> + _FPU_SETCW (envp->__fp_control_register);
> +}
You shouldn't need the two default env checks, since this private
interface will always be used in pairs.
r~
next prev parent reply other threads:[~2013-09-20 15:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-19 22:58 Steve Ellcey
2013-09-20 3:32 ` Carlos O'Donell
2013-09-20 16:51 ` Steve Ellcey
2013-09-20 17:06 ` Carlos O'Donell
2013-09-21 18:47 ` Maciej W. Rozycki
2013-09-22 17:40 ` Carlos O'Donell
2013-09-23 16:42 ` Steve Ellcey
2013-09-20 15:01 ` Richard Henderson [this message]
2013-09-20 15:35 ` Joseph S. Myers
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=523C6327.2020303@twiddle.net \
--to=rth@twiddle.net \
--cc=libc-ports@sourceware.org \
--cc=sellcey@mips.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 read-only IMAP folder(s) and NNTP newsgroup(s).