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New AMD-K6™ Processor Instructions
Embedded AMD-K6™ Processors BIOS Design Guide
23913A/0—November 2000
Preliminary Information
New AMD-K6™ Processor Instructions
All models/steppings of the AMD-K6 proces sor family
implement the following new instruction set:
■
MMX™ Instructions—57 new instructions for multimedia
software. See the AMD-K6™ MMX™ Enhanced Processor
Multimedia Technology Manual, order# 20726 for more
information.
A l l m o d e l s / s t e p p i n g s o f t h e A M D -K 6 -2 , A M D -K 6 -2 E ,
AMD-K6-2E+, AMD-K6-III, and the AMD-K6-IIIE+ processors
implement the following additional instructions:
■
3DNow!™ Instructions—21 new instructions for multimedia
software. See the 3DNow!™ Technology Manual, order#
21928 for more information.
■
SYSCALL and SYSRET — See the SYSCALL and SYSRET
Instruction Specification Application Note, order# 21086 for
more information. (Note that Model 7 processors do not
support these instructions.)
The AMD-K6-2E+ Model D/[7:4] and the AMD-K6-IIIE+ Model
D/ [3: 0] proce sso rs im plem ent the follow ing additional
instructions:
■
3DNow!™ Instruction Extensions—5 new instructions for
multimedia software. See the AMD Extensions to the
3DNow!™ and MMX™ Instruction Sets Manual, order# 22466
for more information.