Author: Russell Reagan
Date: 20:25:20 11/26/03
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On November 26, 2003 at 21:18:05, Robert Hyatt wrote: >And >then there are 8 more registers you can use with the same old opcodes >and addressing modes. >I have PopCnt(), FirstOne() and LastOne() working >fine. Did the extra registers allow for any new tricks/improvements when writing these functions? Or was the number of registers not a limiting factor for these functions on x86? Have you considered making use of the 16 128-bit xmm registers on the Opteron? Or the 8 64-bit mmx registers?
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