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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, mszick at goquest dot com, velco at fadata dot bg
- Cc: gcc at gcc dot gnu dot org, ja_walker at earthlink dot net, lord at emf dot net
- Date: Tue, 7 Jan 2003 11:29:08 -0500 (EST)
- Subject: Re: An unusual Performance approach using Synthetic registers
> The exchange (xchg) instruction was included in the original 80386.
Actually this was on the 8086, it is one of the original instructions, of
course that was not ia32 architecture :-)