linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Alexey Dobriyan <adobriyan@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	hpa@zytor.com, x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: drop REG_OUT macro from hweight functions
Date: Mon, 29 Jul 2019 23:44:17 +0300	[thread overview]
Message-ID: <20190729204417.GA2146@avx2> (raw)
In-Reply-To: <20190729100447.GD31425@hirez.programming.kicks-ass.net>

On Mon, Jul 29, 2019 at 12:04:47PM +0200, Peter Zijlstra wrote:
> +#define _ASM_ARG1B	__ASM_FORM_RAW(dil)
> +#define _ASM_ARG2B	__ASM_FORM_RAW(sil)
> +#define _ASM_ARG3B	__ASM_FORM_RAW(dl)
> +#define _ASM_ARG4B	__ASM_FORM_RAW(cl)
> +#define _ASM_ARG5B	__ASM_FORM_RAW(r8b)
> +#define _ASM_ARG6B	__ASM_FORM_RAW(r9b)

I preprocessed percpu code once to see what precisely it does because
it was easier than wading through forest of macroes.

Hopefully x86 assembly won't get to that level.

  reply	other threads:[~2019-07-29 20:44 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-28 11:51 Alexey Dobriyan
2019-07-29  9:43 ` Peter Zijlstra
2019-07-29 10:04   ` Peter Zijlstra
2019-07-29 20:44     ` Alexey Dobriyan [this message]
2019-07-30  8:08       ` Peter Zijlstra
2019-07-30 13:42         ` hpa

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=20190729204417.GA2146@avx2 \
    --to=adobriyan@gmail.com \
    --cc=bp@alien8.de \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=peterz@infradead.org \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    --subject='Re: [PATCH] x86: drop REG_OUT macro from hweight functions' \
    /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

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).