tm1300 NXP Semiconductors, tm1300 Datasheet - Page 489

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

Philips Semiconductors
Unsigned compare not equal
pseudo-op for ineq
SYNTAX
FUNCTION
DESCRIPTION
cannot be used in assembly source files.)
otherwise, r dest is set to 0.
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 = 0x1000, r30 = 3
r20 = 1, r50 = 0x1000, r60 = 0x1000
r70 = 0x80000000, r40 = 4
r70 = 0x80000000
The
The
The
[ IF r guard ] uneq r src1 r src2
if r guard then {
}
if r src1 != r src2 then
else
uneq
uneq
uneq
r dest
r dest
Initial Values
operation is a pseudo operation transformed by the scheduler into an
operation sets the destination register, r dest , to 1 if the two arguments, r src1 and r src2 , are not equal;
operation optionally takes a guard, specified in r guard . If a guard is present, its LSB controls the
1
0
uneq r30 r40
IF r10 uneq r60 r30
IF r20 uneq r50 r60
uneq r70 r40
uneq 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
1
0
ineq
1
0
ineq igtr uneqi
. (Note: pseudo operations
ATTRIBUTES
SEE ALSO
Result
1, 2, 3, 4, 5
uneq
alu
No
39
—
2
1
A-203