From: David Edelsohn <dje@watson.ibm.com>
To: Gabriel Paubert <paubert@iram.es>
Cc: Benjamin Herrenschmidt <bh40@calva.net>, linuxppc-dev@lists.linuxppc.org
Subject: Re: your mail
Date: Mon, 15 Feb 1999 12:42:55 -0500 [thread overview]
Message-ID: <9902151742.AA37298@marc.watson.ibm.com> (raw)
In-Reply-To: Message from Gabriel Paubert <paubert@iram.es> of "Mon, 15 Feb 1999 15:18:01 +0100." <Pine.HPP.3.96.990215145041.5352j-100000@gra-ux1.iram.es>
>>>>> Gabriel Paubert writes:
Gabriel> Ok, better like this. Unfortunately for rlwinm and friends, gas allows you
Gabriel> to replace the last 2 parameters by a single value (bit mask), for
Gabriel> example: rlwinm r3,r4,0, 0x00ffff00, but it does not work if you have the
Gabriel> complementary mask (ones, zeros, ones) so you can't type rlwinm
Gabriel> r0,r0,0,~MSR_EE. Note that gcc/egcs would generate the code with the
Gabriel> rlwinm instruction. Anybody wants to tweak binutils to allow this ?
I think that this already was discovered and fixed in the
development sources. From the ChangeLog:
Wed Aug 12 14:00:38 1998 Ian Lance Taylor <ian@cygnus.com>
From Peter Thiemann <thiemann@informatik.uni-tuebingen.de>:
* ppc-opc.c (insert_mbe): Handle wrapping bitmasks.
(extract_mbe): Likewise.
David
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next prev parent reply other threads:[~1999-02-15 17:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-02-13 17:50 Benjamin Herrenschmidt
1999-02-14 0:12 ` David Edelsohn
1999-02-15 9:58 ` your mail Gabriel Paubert
1999-02-15 11:23 ` Benjamin Herrenschmidt
1999-02-15 14:18 ` Gabriel Paubert
1999-02-15 17:42 ` David Edelsohn [this message]
[not found] <001e01bfed04$b27494a0$29e58aa4@crusman>
2000-07-14 10:00 ` Gabriel Paubert
-- strict thread matches above, loose matches on Subject: below --
2007-05-16 13:30 Bob Picco
2007-05-16 16:43 ` your mail Linas Vepstas
2007-05-16 17:11 ` Olof Johansson
2007-05-16 17:24 ` Bob Picco
2011-11-22 23:42 Tony Breeds
2011-11-22 23:47 ` your mail Tony Breeds
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