From: Segher Boessenkool <segher@kernel•crashing.org>
To: Kumar Gala <kumar.gala@freescale•com>
Cc: linuxppc-dev@ozlabs•org
Subject: Re: Using lswi/stswi inside the kernel
Date: Thu, 14 Jul 2005 22:48:26 +0200 [thread overview]
Message-ID: <22f5c933434d80ecf710fa1e471c2f5a@kernel.crashing.org> (raw)
In-Reply-To: <E6D8678E-33FD-492F-A773-12B0F87C2EBB@freescale.com>
> Yes, not all PowerPC implementations actually implement this
> instructions. Also, on a number of them there is no performance
> improvement when using the instructions.
Read: severe performance degradation ;-)
Segher
prev parent reply other threads:[~2005-07-14 20:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-14 12:52 Using lswi/stswi inside the kernel Frank van Maarseveen
2005-07-14 13:24 ` Kumar Gala
2005-07-14 20:48 ` Segher Boessenkool [this message]
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