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Intel EM64T Technology Article
Posted by Philipp Esselbach on: 03/22/2005 12:29 PM [ Print | 0 comment(s) ]
MBReview has posted an Intel EM64T Technology Article
"The main additions to the IA-32 architecture lie with the need for additional 64-bit registers. Intel has added eight new general purpose registers, along with eight 128-bit Streaming SIMD Extension registers. The pre-existing general purpose registers have all been widened to 64-bits as well. With these new registers comes a new opcode prefix, REX. The defaults for 64-bit mode allow for a 64-bit address size, and a 32-bit operand size."
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"The main additions to the IA-32 architecture lie with the need for additional 64-bit registers. Intel has added eight new general purpose registers, along with eight 128-bit Streaming SIMD Extension registers. The pre-existing general purpose registers have all been widened to 64-bits as well. With these new registers comes a new opcode prefix, REX. The defaults for 64-bit mode allow for a 64-bit address size, and a 32-bit operand size."
Read more
