PNX1311EH NXP Semiconductors, PNX1311EH Datasheet - Page 458

• Manufacturer Part Number: PNX1311EH
• Manufacturer: NXP Semiconductors

Specifications of PNX1311EH

• Lead Free Status / RoHS Status: Not Compliant

Philips Semiconductors
Sign extend 16 bits
SYNTAX
FUNCTION
DESCRIPTION
bits and stores the result in rdest.
modification of the destination register. If the LSB of the guard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
r30 = 0xffff0040
r10 = 0, r40 = 0xff0fff91
r20 = 1, r40 = 0xff0fff91
r50 = 0x00000091
As shown below, the
The
[ IF rguard ] sex16 rsrc1 → rdest
if rguard then
rdest ← sign_ext16to32(rsrc1<15:0>)
sex16
Initial Values
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
sex16
operation sign extends the least-significant 16bit halfword of the argument, rsrc1, to 32
rsrc1
rdest
31
31
sex16 r30 → r60
IF r10 sex16 r40 → r70
IF r20 sex16 r40 → r100
sex16 r50 → r110
S
S
S
S
S
S
S
S
S
S
S
S
Operation
S
S
S
S
15
15
S
S
PRELIMINARY SPECIFICATION
signed
signed
PNX1300/01/02/11 DSPCPU Operations
r60 ← 0x00000040
no change, since guard is false
r100 ← 0xffffff91
r110 ← 0x00000091
0
0
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
zex16 sex8 zex8
ATTRIBUTES
SEE ALSO
Result
sex16
1, 2, 3, 4, 5
alu
No
51
—
1
1
A-160