Re: [PATCH] Runtime memory barrier patching

Chuck Ebbert (76306.1226@compuserve.com)
Tue, 22 Apr 2003 06:12:55 -0400

>>
>> Is that true even on the 32-bit Athlons, especially the older ones?
>
> It is not the recommended form for Athlons (see my other mail)
> But I doubt it's a big issue. The Athlon has a pretty good decoder.

Doesn't Athlon do best with just a string of 0x90 because it treats
it as a real NOP and discards it very early in the CPU pipeline? It
broke the bogomips estimator when they were introduced...

------
Chuck
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