tm1300 NXP Semiconductors, tm1300 Datasheet - Page 383

• Manufacturer Part Number: tm1300
• Description: Tm-1300 Media Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Signed compare greater
SYNTAX
FUNCTION
DESCRIPTION
argument, r src2 ; otherwise, r dest is set to 0. The arguments are treated as signed integers.
modification of the destination register. If the LSB of r guard is 1, r dest is written; otherwise, r dest is not changed.
EXAMPLES
r30 = 3, r40 = 4
r10 = 0, r60 = 0x100, r30 = 3
r20 = 1, r50 = 0x1000, r60 = 0x100
r70 = 0x80000000, r40 = 4
r70 = 0x80000000
The
The
[ IF r guard ] igtr r src1 r src2
if r guard then {
}
if r src1 > r src2 then
else
igtr
igtr
r dest
r dest
Initial Values
operation sets the destination register, r dest , to 1 if the first argument, r src1 , is greater than the second
operation optionally takes a guard, specified in r guard . If a guard is present, its LSB controls the
1
0
igtr r30 r40
IF r10 igtr r60 r30
IF r20 igtr r50 r60
igtr r70 r40
igtr r70 r70
r dest
Operation
r80
r100
r110
PRODUCT SPECIFICATION
r50
r90
r80
no change, since guard is false
r90
r100
r110
DSPCPU Operations for TM1300
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
0
1
0
0
ATTRIBUTES
iles igtri
SEE ALSO
Result
1, 2, 3, 4, 5
alu
No
15
—
igtr
2
1
A-97