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Re: Alpha hwcaps
- From: Richard Henderson <rth at twiddle dot net>
- To: Andreas Schwab <schwab at suse dot de>
- Cc: Falk Hueffner <falk dot hueffner at student dot uni-tuebingen dot de>, libc-alpha at sources dot redhat dot com
- Date: Fri, 20 Sep 2002 22:33:21 -0700
- Subject: Re: Alpha hwcaps
- References: <87y99yrqcg.fsf@student.uni-tuebingen.de> <je65x2auv6.fsf@sykes.suse.de>
On Thu, Sep 19, 2002 at 04:59:09PM +0200, Andreas Schwab wrote:
> For ix86 it is done in the kernel, see ELF_HWCAP in <asm/elf.h>. But
> there is no reason not to do it in userspace if at all possible.
For alpha, it's one very quick instruction -- amask.
r~