PNX1301 PHILIPS [NXP Semiconductors], PNX1301 Datasheet - Page 389

• Manufacturer Part Number: PNX1301
• Description: Media Processors
• Manufacturer: PHILIPS [NXP Semiconductors]

PNX1300/01/02/11 Data Book
iflip
SYNTAX
FUNCTION
DESCRIPTION
of rsrc2. All values are signed integers.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
A-91
r30 = 0, r40 = 1
r10 = 0, r60 = 0xffff0000, r70 = 0xabc
r20 = 1, r60 = 0xffff0000, r70 = 0xabc
r30 = 0, r100 = 0xffffff9c
r40 = 1, r110 = 0xffffffff
The
The
[ IF rguard ] iflip rsrc1 rsrc2
if rguard then {
}
if rsrc1 = 0 then
else
iflip
iflip
rdest
rdest
Initial Values
rsrc2
–rsrc2
operation copies rsrc2 to rdest if rsrc1 = 0; otherwise (if rsrc1 != 0), rdest is set to the two’s-complement
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
PRELIMINARY SPECIFICATION
iflip r30 r40
IF r10 iflip r60 r70
IF r20 iflip r60 r70
iflip r30 r100
iflip r40 r110
rdest
Operation
r50
r110
r120
r80
r90
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r50
no change, since guard is false
r90
r110
r120
If non-zero negate
Philips Semiconductors
0x1
0xfffff544
0xffffff9c
0x1
inonzero izero
ATTRIBUTES
SEE ALSO
Result
dspalu
1, 3
No
77
—
2
2