PNX1302EH NXP Semiconductors, PNX1302EH Datasheet - Page 501

• Manufacturer Part Number: PNX1302EH
• Manufacturer: NXP Semiconductors

Specifications of PNX1302EH

• Lead Free Status / RoHS Status: Not Compliant

PNX1300/01/02/11 Data Book
umulm
SYNTAX
FUNCTION
DESCRIPTION
the 64-bit product into rdest. The operands are considered unsigned integers.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
A-203
r60 = 0x10000
r10 = 0, r60 = 0x100, r30 = 0xf11
r20 = 1, r60 = 0x10001000,
r30 = 0xf1100000
r70 = 0xffffff00, r40 = 0x100
As shown below, the
The
[ IF rguard ] umulm rsrc1 rsrc2 → rdest
if rguard then
rsrc1
temp ← zero_ext32to64(rsrc1) × zero_ext32to64(rsrc2)
rdest ← temp<63:32>
64-bit result
31
umulm
Initial Values
63
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
PRELIMINARY SPECIFICATION
umulm
unsigned
operation computes the product rsrc1×rsrc2 and writes the most-significant 32 bits of
rdest
31
umulm r60 r60 → r80
IF r10 umulm r60 r30 → r50
IF r20 umulm r60 r30 → r90
umulm r70 r40 → r100
Unsigned multiply, return most-significant 32
0
Operation
unsigned
unsigned
×
31
rsrc2
31
0
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r80 ← 0x00000001
no change, since guard is false
r90 ← 0xf110f11
r100 ← 0xff
dspidualmul quadumulmsb
umulm dspimul dspumul
unsigned
Philips Semiconductors
ATTRIBUTES
SEE ALSO
Result
fmul
0
ifmul
140
2, 3
No
—
0
2
3
bits