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Even more than transistors are so cheap that doing on-the-fly
translation to a RISC instruction set in hardware is an essentially
invisible cost. Plus you get to change the target microarchitecture
to exploit new thinking in processor design without breaking existing
software.
That last reason, not choice, is how IA became dominant.
Paul
On Jun 11, 2009, at 4:41 PM, erik quanstrom wrote:
could it be that since transistors are very cheep, adding
instructions is
simply the cheapest go-faster trick?
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