From: Benjamin Herrenschmidt <bh40@calva.net>
To: David Edelsohn <dje@watson.ibm.com>, linuxppc-dev@lists.linuxppc.org
Subject: Re: Fwd: Re: still no accelerated X ($#!$*)
Date: Thu, 20 Jan 2000 19:45:07 +0100 [thread overview]
Message-ID: <20000120194507.014220@mailhost.mipsys.com> (raw)
In-Reply-To: <200001201826.NAA25092@mal-ach.watson.ibm.com>
On Thu, Jan 20, 2000, David Edelsohn <dje@watson.ibm.com> wrote:
> The "b" constraint should be associated with "base_addr", not with
>"regindex":
>
> asm("stwbrx %0,%1,%2": : "r"(regdata), "r"(regindex), "b"(base_addr));
Hum... I still have to check what gcc/ppc specific constraints are. But
in this specific case, it's the index who should not be assigned to r0.
Both base and regdata can be r0. So either I'm mising something, or the
"b" constraint is actually wrong semanticall, or we need yet-another
constraint for the index.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-01-20 18:45 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Message from Kevin Hendricks <khendricks@ivey.uwo.ca>
2000-01-20 18:12 ` Fwd: Re: still no accelerated X ($#!$*) Kevin Hendricks
2000-01-20 18:26 ` David Edelsohn
2000-01-20 18:45 ` Benjamin Herrenschmidt [this message]
2000-01-20 18:51 ` David Edelsohn
2000-01-20 18:52 ` Franz Sirl
2000-01-20 19:31 ` Gabriel Paubert
2000-01-20 19:36 ` Kevin Hendricks
2000-01-20 19:51 ` Geert Uytterhoeven
2000-01-20 19:59 ` Gabriel Paubert
2000-01-20 20:08 ` David Edelsohn
2000-01-20 22:34 ` Franz Sirl
2000-01-21 0:05 ` Gabriel Paubert
2000-01-21 0:35 ` Kevin Hendricks
2000-01-21 1:53 ` Gabriel Paubert
2000-01-21 2:19 ` Kevin Hendricks
2000-01-21 7:58 ` Geert Uytterhoeven
2000-01-21 14:15 ` Benjamin Herrenschmidt
2000-01-22 20:54 ` [linux-fbdev] " anthony tong
2000-01-23 2:44 ` Kevin Hendricks
2000-01-21 11:54 ` Benjamin Herrenschmidt
2000-01-21 13:34 ` Gabriel Paubert
2000-01-21 14:06 ` Benjamin Herrenschmidt
2000-01-21 15:47 ` Franz Sirl
2000-01-21 19:08 ` Gabriel Paubert
2000-01-20 18:46 ` Franz Sirl
2000-01-21 13:53 Kevin_Hendricks
[not found] <200001211355.NAA05477@granada.iram.es>
2000-01-21 15:13 ` Gabriel Paubert
2000-01-21 15:29 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2000-01-21 17:32 David Edelsohn
2000-01-21 20:25 jlquinn
2000-01-23 13:06 ` Gabriel Paubert
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