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原帖由 Seraphlich 于 2007-5-5 14:19 发表
没想通AMD怎么拿到SSE4指令的内容.
SSE4a和SSE4还是有差别的吧。
就这四条指令也敢叫SSE4?
1.6.1AMD Instruction Set Enhancements
The AMD Family 10h processor has been enhanced with the following new instructions:
•LZCNT, POPCNT—Advanced Bit Manipulation (ABM) instructions operate on general purpose registers.
•MOVNTSS, MOVNTSD, EXTRQ, INSERTQ—SSE4a instructions operate on XMM registers.
[ 本帖最后由 Prescott 于 2007-5-5 14:29 编辑 ] |
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