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Re: An unusual Performance approach using Synthetic registers
- From: dewar at gnat dot com (Robert Dewar)
- To: dewar at gnat dot com, ja_walker at earthlink dot net, lord at emf dot net,mszick at goquest dot com
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 7 Jan 2003 06:50:52 -0500 (EST)
- Subject: Re: An unusual Performance approach using Synthetic registers
> I am pretty familiar with the x86 instruction set, but I clearly recall that
> I have never seen anything like this. Is there such a thing in the x86
> instruction set, and if so, what is it called? Is it perhaps one of the
> testing instructions?
There is no prefetch instruction as such on the x86, but of course any
access acts as a prefetch in practice.