qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Emilio G. Cota" <cota@braap.org>
To: Richard Henderson <rth@twiddle.net>
Cc: "QEMU Developers" <qemu-devel@nongnu.org>,
	"MTTCG Devel" <mttcg@greensocs.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Alvise Rigo" <a.rigo@virtualopensystems.com>,
	"Sergey Fedorov" <serge.fdrv@gmail.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Alex Bennée" <alex.bennee@linaro.org>
Subject: Re: [Qemu-devel] [RFC 11/30] target-i386: add atomic helpers
Date: Mon, 27 Jun 2016 17:39:45 -0400	[thread overview]
Message-ID: <20160627213944.GC15173@flamenco> (raw)
In-Reply-To: <db3490d5-34e4-9f49-8174-fd8d7d521d8c@twiddle.net>

On Mon, Jun 27, 2016 at 13:27:35 -0700, Richard Henderson wrote:
> On 06/27/2016 12:01 PM, Emilio G. Cota wrote:
> >This patch only adds the helpers. Functions to invoke the helpers
> >from translated code are generated in subsequent patches.
> >
> >Signed-off-by: Emilio G. Cota <cota@braap.org>
> >---
> > target-i386/helper.h     | 34 ++++++++++++++++++++++++++++++++++
> > target-i386/mem_helper.c | 38 ++++++++++++++++++++++++++++++++++++++
> > target-i386/translate.c  | 45 +++++++++++++++++++++++++++++++++++++++++++++
> > 3 files changed, 117 insertions(+)
> 
> 
> These are bare wrappers around what you've just added to exec/cpu_ldst*.
> 
> (1) Is there any reason these shouldn't go into tcg-runtime.h and
> tcg-runtime.c instead?
> 
> (2) If so, is there any good reason to add these to cpu_ldst* instead of
> *only* adding them as helpers to tcg-runtime.c?

The only reason is my incompetence :-) I didn't know about tcg-runtime.

Thanks,

		Emilio

  reply	other threads:[~2016-06-27 21:40 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-27 19:01 [Qemu-devel] [RFC 00/30] cmpxchg-based emulation of atomics Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 01/30] softmmu: add cmpxchg helpers Emilio G. Cota
2016-06-27 20:11   ` Richard Henderson
2016-06-27 21:19     ` Emilio G. Cota
2016-06-27 21:43       ` Richard Henderson
2016-06-27 21:48         ` Peter Maydell
2016-06-27 21:53           ` Richard Henderson
2016-06-27 19:01 ` [Qemu-devel] [RFC 02/30] tcg: add tcg_cmpxchg_lock Emilio G. Cota
2016-06-27 20:07   ` Richard Henderson
2016-06-27 20:41     ` Emilio G. Cota
2016-06-27 21:02       ` Richard Henderson
2016-06-27 19:01 ` [Qemu-devel] [RFC 03/30] cpu_ldst: add cpu_cmpxchg helpers Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 04/30] target-i386: add cmpxchg helpers Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 05/30] target-i386: emulate LOCK'ed cmpxchg using " Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 06/30] target-i386: emulate LOCK'ed cmpxchg8b/16b " Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 07/30] atomics: add atomic_xor Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 08/30] atomics: add atomic_op_fetch variants Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 09/30] softmmu: add atomic helpers Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 10/30] cpu_ldst: add cpu_atomic helpers Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 11/30] target-i386: add atomic helpers Emilio G. Cota
2016-06-27 20:27   ` Richard Henderson
2016-06-27 21:39     ` Emilio G. Cota [this message]
2016-06-27 19:01 ` [Qemu-devel] [RFC 12/30] target-i386: emulate LOCK'ed OP instructions using " Emilio G. Cota
2016-06-27 19:01 ` [Qemu-devel] [RFC 13/30] target-i386: emulate LOCK'ed INC using atomic helper Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 14/30] target-i386: emulate LOCK'ed NOT " Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 15/30] target-i386: emulate LOCK'ed NEG using cmpxchg helper Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 16/30] target-i386: emulate LOCK'ed XADD using atomic helper Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 17/30] target-i386: emulate LOCK'ed BTX ops using atomic helpers Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 18/30] target-i386: emulate XCHG using atomic helper Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 19/30] tests: add atomic_add-bench Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 20/30] target-i386: remove helper_lock() Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 21/30] target-arm: add cmpxchg helpers Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 22/30] target-arm: emulate LL/SC using " Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 23/30] target-arm: add atomic_xchg helper Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 24/30] target-arm: emulate SWP with " Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 25/30] helper: add DEF_HELPER_6 Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 26/30] target-arm: add cmpxchg helpers for aarch64 Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 27/30] target-arm: emulate aarch64's LL/SC using cmpxchg helpers Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 28/30] linux-user: remove handling of ARM's EXCP_STREX Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 29/30] linux-user: remove handling of aarch64's EXCP_STREX Emilio G. Cota
2016-06-27 19:02 ` [Qemu-devel] [RFC 30/30] target-arm: remove EXCP_STREX + cpu_exclusive_{test, info} Emilio G. Cota
2016-06-28  8:45 ` [Qemu-devel] [RFC 00/30] cmpxchg-based emulation of atomics Lluís Vilanova
2016-06-28 15:48   ` Richard Henderson
2016-06-28 19:52   ` Emilio G. Cota

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=20160627213944.GC15173@flamenco \
    --to=cota@braap.org \
    --cc=a.rigo@virtualopensystems.com \
    --cc=alex.bennee@linaro.org \
    --cc=mttcg@greensocs.com \
    --cc=pbonzini@redhat.com \
    --cc=peter.maydell@linaro.org \
    --cc=qemu-devel@nongnu.org \
    --cc=rth@twiddle.net \
    --cc=serge.fdrv@gmail.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).