PNX1300 Philips, PNX1300 Datasheet - Page 374

• Manufacturer Part Number: PNX1300
• Description: Media Processors
• Manufacturer: Philips

Philips Semiconductors
Add with immediate
SYNTAX
FUNCTION
DESCRIPTION
The value of n must be between 0 and 127, inclusive.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is unchanged.
EXAMPLES
r30 = 0xf11
r10 = 0, r40 = 0xffffff9c
r20 = 1, r40 = 0xffffff9c
r50 = 0x1000
r60 = 0xfffffff0
r60 = 0xfffffff0
The
The
[ IF rguard ] iaddi(n) rsrc1
if rguard then
iaddi
iaddi
rdest
Initial Values
rsrc1 + n
operation sums a single argument in rsrc1 and an immediate modifier n and stores the result in rdest.
operations optionally take a guard, specified in rguard. If a guard is present, its LSB controls the
iaddi(127) r30
IF r10 iaddi(1) r40
IF r20 iaddi(1) r40
iaddi(15) r50
iaddi(2) r60
iaddi(17) r60
rdest
Operation
r110
r120
r120
r70
PRELIMINARY SPECIFICATION
r80
r90
PNX1300/01/02/11 DSPCPU Operations
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r70
no change, since guard is false
r90
r120
r110
r120
0xf90
0xffffff9d
0x100f
0xfffffff2
1
ATTRIBUTES
iadd carry
SEE ALSO
Result
1, 2, 3, 4, 5
iaddi
0..127
7 bits
alu
5
1
1
A-76