tm1300 NXP Semiconductors, tm1300 Datasheet - Page 381

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

Philips Semiconductors
Signed compare greater or equal
SYNTAX
FUNCTION
DESCRIPTION
the second 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 ] igeq r src1 r src2
if r guard then {
}
if r src1 >= r src2 then
else
igeq
igeq
r dest
r dest
Initial Values
operation sets the destination register, r dest , to 1 if the first argument, r src1 , is greater than or equal to
operation optionally takes a guard, specified in r guard . If a guard is present, its LSB controls the
1
0
igeq r30 r40
IF r10 igeq r60 r30
IF r20 igeq r50 r60
igeq r70 r40
igeq 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
1
ATTRIBUTES
ileq igeqi
SEE ALSO
Result
1, 2, 3, 4, 5
igeq
alu
No
14
—
2
1
A-95