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From: "drepper at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sources.redhat.com
Subject: [Bug libc/6816] Support for POWER7 VSX registers in *context routines
Date: Wed, 15 Oct 2008 22:23:00 -0000	[thread overview]
Message-ID: <20081015222217.8201.qmail@sourceware.org> (raw)
In-Reply-To: <20080804175727.6816.cseo@linux.vnet.ibm.com>


------- Additional Comments From drepper at redhat dot com  2008-10-15 22:22 -------
I've asked this before but I don't remember getting a reply.

On x86/x86-64 the additional registers are not preserved in function calls. 
This means the context functions don't have to handle the registers.  The kernel
still provides the register content to signal handlers but that's a different story.

Why has the decision been made that the registers have to be saved (assuming
they are, otherwise the whole extension business is mood)?

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |WAITING


http://sourceware.org/bugzilla/show_bug.cgi?id=6816

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  parent reply	other threads:[~2008-10-15 22:23 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-04 17:58 [Bug libc/6816] New: " cseo at linux dot vnet dot ibm dot com
2008-08-04 18:17 ` [Bug libc/6816] " cseo at linux dot vnet dot ibm dot com
2008-08-04 18:17 ` cseo at linux dot vnet dot ibm dot com
2008-08-04 18:18 ` cseo at linux dot vnet dot ibm dot com
2008-08-04 18:19 ` cseo at linux dot vnet dot ibm dot com
2008-08-04 18:20 ` cseo at linux dot vnet dot ibm dot com
2008-08-05 15:40 ` rsa at us dot ibm dot com
2008-08-05 17:54 ` sjmunroe at us dot ibm dot com
2008-08-05 19:42 ` rsa at us dot ibm dot com
2008-08-25 22:55 ` drepper at redhat dot com
2008-09-12 21:59 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 21:59 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 22:00 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 22:01 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 22:02 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 22:02 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 22:03 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 22:04 ` cseo at linux dot vnet dot ibm dot com
2008-09-12 22:16 ` cseo at linux dot vnet dot ibm dot com
2008-10-15 22:23 ` drepper at redhat dot com [this message]
2008-10-16 14:02 ` rsa at us dot ibm dot com
2008-10-16 14:57 ` drepper at redhat dot com
2008-10-16 16:54 ` sjmunroe at us dot ibm dot com
2008-10-16 17:07 ` drepper at redhat dot com
2008-10-16 19:38 ` sjmunroe at us dot ibm dot com
2009-04-07 18:10 ` drepper at redhat dot com
2009-04-07 18:31 ` rsa at us dot ibm dot com
2009-04-07 18:39 ` drepper at redhat dot com
2010-06-01  3:38 ` pasky at suse dot cz
2010-06-01 15:02 ` rsa at us dot ibm dot com
2010-06-01 15:40 ` rsa at us dot ibm dot com
     [not found] <bug-6816-131@http.sourceware.org/bugzilla/>
2013-10-11  7:52 ` jakub at redhat dot com

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