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Re: prefetch support for x86
- From: Richard Henderson <rth at redhat dot com>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: gcc-patches at gcc dot gnu dot org, patches at x86-64 dot org
- Date: Fri, 14 Dec 2001 11:41:37 -0800
- Subject: Re: prefetch support for x86
- References: <20011214202804.C18031@atrey.karlin.mff.cuni.cz>
On Fri, Dec 14, 2001 at 08:28:04PM +0100, Jan Hubicka wrote:
> * config/i386/i386.h (struct processor_costs): Add new members
> prefetch_block and simultaneous_prefetches.
> (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): New.
> * config/i386/i386.c (processor_costs structs): Add values for
> prefetch_block and simultaneous_prefetches.
> * config/i386/i386.md (unspec values): Remove values for prefetch
> operations, which now use the PREFETCH rtx code.
> (prefetch_sse, prefetch_3dnow, prefetchw): Combine to use new
> unified prefetch support.
Ok
r~