[rc5] OFFICIAL: V2 Clients Are Now Available

Remi Guyomarch rguyom at mail.dotcom.fr
Fri Jul 4 01:58:57 EDT 1997


Michael Bruck wrote:
[...] 
> A PPro splits the x86 instructions into µ-ops. Many simple instr.
> take 1 µ-op others can take more µ-ops. A PPro can "pair" one
> complex instruction (max. 3 µ-ops) with two simple instructions
> (1 µ-op). This makes 5 µ-ops but 3 instructions.

The AMD-K5 can issue up to 6 µ-ops per cycle :
	- 2 alu
	- 2 load/store (from/to memory)
	- 1 fpu
	- 1 branch

Cyrix 6x86 (ex-M1) can issue two instructions per cycle, but unlike PPro
and K5, it has two shifters, so two roll can pair. 

-- 
Rémi

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