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Re: [PATCH] Update mtfsf and mtfsfi instructions to support new optional operands.
- From: Andreas Schwab <schwab at suse dot de>
- To: Peter Bergner <bergner at vnet dot ibm dot com>
- Cc: Alan Modra <amodra at bigpond dot net dot au>, binutils at sourceware dot org, Segher Boessenkool <segher at kernel dot crashing dot org>, "Ryan S. Arnold" <rsa at us dot ibm dot com>, Steve Munroe <sjmunroe at us dot ibm dot com>
- Date: Thu, 22 Jan 2009 00:08:23 +0100
- Subject: Re: [PATCH] Update mtfsf and mtfsfi instructions to support new optional operands.
- References: <20070515213441.GA4052@vervain.rchland.ibm.com> <e80a11b08fce3da1e15053808c88130f@kernel.crashing.org> <1231970875.7969.3.camel@otta> <jewsco5o5b.fsf@sykes.suse.de> <1232575122.6740.32.camel@otta>
Peter Bergner <bergner@vnet.ibm.com> writes:
> This is probably a bug in glibc, using the new form of the instruction
> when they shouldn't be (ie, didn't configure with --with-cpu=power6).
It's doing a runtime check. You need the 4 arg form also with a generic
glibc that runs on a power6.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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