AMD AMD-K6-2/400 User Guide - Page 57
MMX™/3DNow!™, Registers, MMX™/3DNow!™ Registers
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23542A/0-September 2000 Preliminary Information AMD-K6™-2E+ Embedded Processor Data Sheet MMX™/3DNow!™ Registers Th e A M D -K 6 -2 E + p ro c e s s o r i m p l e m e n t s e i g h t 6 4 -b i t MMX/3DNow! registers for use by multimedia software. These registers are mapped on the floating-point register stack. The MMX and 3DNow! instructions refer to these registers as mm0 to mm7. Figure 17 shows the format of these registers. For more information, see the AMD-K6® Processor Multimedia Technology Manual, order# 20726 and the 3DNow! Technology Manual, order# 21928. 63 0 mm0 mm1 mm2 mm3 mm4 mm5 mm6 mm7 Figure 17. MMX™/3DNow!™ Registers Chapter 3 Software Environment 35
Chapter 3
Software Environment
35
23542A/0—September 2000
AMD-K6™-2E+ Embedded Processor Data Sheet
Preliminary Information
MMX™/3DNow!™
Registers
The AMD-K6-2E+ processor implements eight 64-bit
MMX/3DNow! registers for use by multimedia software. These
registers are mapped on the floating-point register stack. The
MMX and 3DNow! instructions refer to these registers as mm0
to mm7. Figure 17 shows the format of these registers. For more
information, see the
AMD-K6
®
Processor Multimedia Technology
Manual
, order# 20726 and the
3DNow! Technology Manual,
order# 21928.
Figure 17.
MMX™/3DNow!™ Registers
63
0
mm0
mm7
mm1
mm6
mm5
mm2
mm3
mm4