Florian Klaempfl wrote:
Am 19.04.2011 15:18, schrieb Marco van de Voort:
You'll need to runtime test for SSE3 though. Since the first
generation of
athlon64's (clawhammer and friends, socket 751 or so) doesn't have SSE3.
For such a relatively expensive operations, one runtime check per
function is imo ok even more since it is predicted perfectly after the
first run.
If the branch history table does not overflow ;-)
Micha
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