PNX1300 Philips, PNX1300 Datasheet - Page 373

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

PNX1300/01/02/11 Data Book
iadd
SYNTAX
FUNCTION
DESCRIPTION
both signed or unsigned integers. No overflow or underflow detection is performed.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
A-75
r60 = 0x100
r10 = 0, r60 = 0x100, r30 = 0xf11
r20 = 1, r60 = 0x100, r30 = 0xf11
r70 = 0xffffff00, r40 = 0xffffff9c
The
The
[ IF rguard ] iadd rsrc1 rsrc2
if rguard then
rdest
iadd
iadd
Initial Values
rsrc1 + rsrc2
operation computes the sum rsrc1+rsrc2 and stores the result into rdest. The operands can be either
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
PRELIMINARY SPECIFICATION
iadd r60 r60
IF r10 iadd r60 r30
IF r20 iadd r60 r30
iadd r70 r40
rdest
Operation
r80
r100
r50
r90
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r80
no change, since guard is false
r90
r100
iaddi carry dspiadd
Philips Semiconductors
0x200
0x1011
dspidualadd fadd
0xfffffe9c
ATTRIBUTES
SEE ALSO
Result
Signed add
1, 2, 3, 4, 5
alu
No
12
—
2
1