Computer Hardware User's Guide

Parallel NEGF and STF
NEGF||STF
13-177
Assembly Language Instructions
Example NEGF *AR4––(1),R7
|| STF R2,*++AR5(1)
Before Instruction After Instruction
R2 07 33C0 0000 R2 07 33C0 0000
R7 00 0000 0000 R7 05 84C0 0000
AR4 80 98E1 AR4 80 98E0
AR5 80 9803 AR5 80 9804
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
8098E1h 57B400000 8098E1h 57B4000
809804h 0 809804h 733C000
6.281250e+01
1.79750e+02
–6.281250e+01
1.79750e+02
1.79750e+02
6.281250e+01
Note: Cycle Count
See subsection 8.5.2,
Data Loads and Stores
, on page 8-24 for the effects
of operand ordering on the cycle count.