PNX1302EH NXP Semiconductors, PNX1302EH Datasheet - Page 372

• Manufacturer Part Number: PNX1302EH
• Manufacturer: NXP Semiconductors

Specifications of PNX1302EH

• Lead Free Status / RoHS Status: Not Compliant

Philips Semiconductors
Absolute value
pseudo-op for h_iabs
SYNTAX
FUNCTION
DESCRIPTION
argument and a second argument equal to the
assembly source files.)
integer; the result is an unsigned integer.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
r30 = 0xffffffff
r10 = 0, r40 = 0xfffffff4
r20 = 1, r40 = 0xfffffff4
r50 = 0x80000001
r60 = 0x80000000
r20 = 1
The
The
The
[ IF rguard ] iabs rsrc1 → rdest
if rguard then {
}
if rsrc1 < 0 then
else
iabs
iabs
iabs
rdest ← –rsrc1
rdest ← rsrc1
Initial Values
operation computes the absolute value of rsrc1 and stores the result into rdest. The argument is a signed
operation is a pseudo operation transformed by the scheduler into an
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
iabs r30 → r60
IF r10 iabs r40 → r80
IF r20 iabs r40 → r90
iabs r50 → r100
iabs r60 → r110
iabs r20 → r120
iabs
Operation
argument. (Note: pseudo operations cannot be used in
PRELIMINARY SPECIFICATION
PNX1300/01/02/11 DSPCPU Operations
h_iabs dspiabs dspidualabs
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r60 ← 0x00000001
no change, since guard is false
r90 ← 0xc
r100 ← 0x7fffffff
r110 ← 0x80000000
r120 ← 1
h_iabs
ATTRIBUTES
SEE ALSO
fabsval
with zero as the first
Result
1, 2, 3, 4, 5
iabs
alu
No
44
—
1
1
A-74