All of lore.kernel.org
 help / color / mirror / Atom feed
From: Fabrice Bellard <fabrice.bellard@free.fr>
To: Johan Rydberg <jrydberg@night.trouble.net>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] performance of qemu
Date: Wed, 04 Jun 2003 18:01:25 +0200	[thread overview]
Message-ID: <3EDE17D5.3030605@free.fr> (raw)
In-Reply-To: 20030604161636.00bea262.jrydberg@night.trouble.net

Johan Rydberg wrote:
> : > When is the full eflags register generated?  In the epilogue of a translated
> : > block, or when ever an insn/callback reads the eflag register?
> : 
> : Only when an instruction really needs the full eflags register (such as 
> : pushf).
> 
> And at the end of the translated block?  Or does the CC_SRC, CC_DST and CC_OP
> live between blocks?

CC_SRC, CC_DST and CC_OP live between blocks (I think computing the 
eflags would be too expensive).

Fabrice.

  reply	other threads:[~2003-06-04 16:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-03 18:12 [Qemu-devel] performance of qemu Johan Rydberg
2003-06-04  8:20 ` Fabrice Bellard
2003-06-04 14:16   ` Johan Rydberg
2003-06-04 16:01     ` Fabrice Bellard [this message]
2003-06-04 16:08       ` Johan Rydberg

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=3EDE17D5.3030605@free.fr \
    --to=fabrice.bellard@free.fr \
    --cc=jrydberg@night.trouble.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.