B.1.14 Array Search; B.1.14.1 Index Of The Highest Signed Value; B.1.14.2 Index Of The Highest Positive Value - Motorola DSP56800 Manual

B.1.14 Array Search
The following two array search benchmarks are provided:
• Index of the highest signed value
• Index of the highest positive value
B.1.14.1 Index of the Highest Signed Value
opt cc
move #AD,r0
clr a
do #N,end_lp3
abs b
cmp b,a
tle b,a
move x:(r0)+,b
end_lp3
lea (r1)-
lea (r1)-
;
;
B.1.14.2 Index of the Highest Positive Value
opt cc
move #AD,r0
clr a
do #N/2,end_lp3
cmp x0,a
tle x0,a
cmp y0,a
tle y0,a
end_lp3
lea (r1)-
lea (r1)-
;
;
B-22
x:(r0)+,b
r0,r1
Total: 10
x:(r0)+,x0
x:(r0)+,y0
r0,r1
x:(r0)+,x0
r0,r1
Total: 10
DSP56800 Family Manual
; 2 2
; 1 1
; 2 3
; 1 1
; 1 1
; 1 1
; 1 1
; 1 1
; 1 1
_______
4N+8 (worst case)
; 2 2
; 1 1
; 2 3
; 1 1
; 1 1
; 1 1
; 1 1
; 1 1
; 1 1
_______
2N+8 (worst case)