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To: Paul Engel who wrote (32444)5/21/1999 3:51:00 AM
From: Scumbria  Read Replies (1) | Respond to of 33344
 
Paul,

Aren't these rather useful for contiguous block memory transfers?

The problem with string instructions is that they add a lot of complexity to the hardware. Modern implementations can do them just as fast or faster in software. They are a nightmare for superscalar and VLIW CPU architects.

Scumbria