I need to know how many CPU clocks it spendson a MMX instruction,
such as psadbw, movq, paddw, pxor, ..etc. Is there any datasheet for this?
please help me.
SeetheIA-32 Intel Architecture Optimization Reference Manual, Appendix C (IA-32 Instruction Latency and throughput)ftp://download.intel.com/design/Pentium4/manuals/24896613.pdf
PS. By the way, all the reference manuals can be found here:http://www.intel.com/design/pentium4/manuals/index_new.htm
I hope this provided what you needed. If not, let me know.