Messages in this thread | | | Date | Fri, 20 Jun 2003 12:56:20 -0400 | From | Jeff Garzik <> | Subject | Re: Crusoe's persistent translation on linux? |
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On Fri, Jun 20, 2003 at 11:49:22AM -0500, Eli Carter wrote: > Hmm... basically you want to trim the x86 instruction set to get closer > to RISC mentality. Interesting. gcc may already do that to some extent > by not using the really complex instructions. If that is the case, > dropping those instructions might give some room for testing some of its > possible benefits. I doubt restricting the registers used by some > instructions would help... I've heard comments that the x86 is > register-starved enough already.
Newer CPUs do register renaming in an attempt to avoid the register-starved ISA issue. I presume Xmeta would do something similar...
Jeff
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