PNX1301 PHILIPS [NXP Semiconductors], PNX1301 Datasheet - Page 396

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

Philips Semiconductors
Signed compare greater
SYNTAX
FUNCTION
DESCRIPTION
argument, rsrc2; otherwise, rdest is set to 0. The arguments are treated as signed integers.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest 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 rguard ] igtr rsrc1 rsrc2
if rguard then {
}
if rsrc1 > rsrc2 then
else
igtr
rdest
rdest
igtr
Initial Values
operation sets the destination register, rdest, to 1 if the first argument, rsrc1, is greater than the second
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
1
0
igtr r30 r40
IF r10 igtr r60 r30
IF r20 igtr r50 r60
igtr r70 r40
igtr r70 r70
rdest
Operation
r80
r100
r110
PRELIMINARY SPECIFICATION
r50
r90
PNX1300/01/02/11 DSPCPU Operations
r80
no change, since guard is false
r90
r100
r110
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
0
1
0
0
ATTRIBUTES
iles igtri
SEE ALSO
Result
1, 2, 3, 4, 5
alu
No
15
—
igtr
2
1
A-98