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Date: Tue, 20 Nov 2007 11:54:16 -0600
From: Scott Wood <scottwood@freescale.com>
To: Kumar Gala <galak@kernel.crashing.org>
Subject: Re: [PATCH] [POWERPC] Emulate isel (Integer Select) instruction
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On Mon, Nov 19, 2007 at 09:36:57PM -0600, Kumar Gala wrote:
> isel (Integer Select) is a new user space instruction in the
> PowerISA 2.04 spec.  Not all processors implement it so lets emulate
> to ensure code built with isel will run everywhere.

Given that the instruction is meant to be a performance enhancement,
we should probably warn the first few times it's emulated, so the user
knows they should change their toolchain setup if possible.

-Scott