Computer Hardware User's Guide

LDF||LDF Parallel LDF and LDF
13-120
Example LDF *––AR1(IR0),R7
|| LDF *AR7++(1),R3
Before Instruction After Instruction
R3 00 0000 0000 R0 00 0000 0008
R7 00 0000 0000 R3 05 7B40 0000
AR1 80 985F R7 07 0C80 0000
AR7 80 988A AR1 80 9857
IR0 8 AR7 80 988B
LUF 0 LUF 0
LV 0 LV 0
UF 0 UF 0
N 0 N 0
Z 0 Z 0
V 0 V 0
C 0 C 0
Data memory
809857h 70C8000 809857h 70C8000
80988Ah 57B4000 80988Ah 57B4000
1.4050e+02
1.4050e+02
6.281250e+01
6.281250e+01
6.281250e+01
1.4050e+02
Note: Cycle Count
See Section 8.5.2, Data Loads and Stores , on page 8-24 for the effects of
operand ordering on the cycle count.