tm1300 NXP Semiconductors, tm1300 Datasheet - Page 404

• Manufacturer Part Number: tm1300
• Description: Tm-1300 Media Processor
• Manufacturer: NXP Semiconductors

TM1300 Data Book
ineg
SYNTAX
FUNCTION
DESCRIPTION
the first argument and r src1 as the second argument. (Note: pseudo operations cannot be used in assembly source
files.)
integer; the result is an unsigned integer. If rsrc1 = 0x80000000, then
value is not representable.
modification of the destination register. If the LSB of r guard is 1, r dest is written; otherwise, r dest is not changed.
EXAMPLES
A-118
r30 = 0xffffffff
r10 = 0, r40 = 0xfffffff4
r20 = 1, r40 = 0xfffffff4
r50 = 0x80000001
r60 = 0x80000000
r20 = 1
The
The
The
[ IF r guard ] ineg r src1
if r guard then
ineg
ineg
ineg
r dest
Initial Values
operation is a pseudo operation transformed by the scheduler into an
operation computes the negative of r src1 and writes the result into r dest . The argument is a signed
operation optionally takes a guard, specified in r guard . If a guard is present, its LSB controls the
–rsrc1
PRODUCT SPECIFICATION
ineg r30
IF r10 ineg r40
IF r20 ineg r40
ineg r50
ineg r60
ineg r20
r dest
r60
r100
r110
r120
Operation
r80
r90
ineg
returns 0x80000000 since the positive
isub
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
r60
no change, since guard is false
r90
r100
r110
r120
with r0 (always contains 0) as
Philips Semiconductors
0x00000001
0xc
0x7fffffff
0x80000000
0xffffffff
ATTRIBUTES
SEE ALSO
pseudo-op for isub
Signed negate
Result
isub
1, 2, 3, 4, 5
alu
No
13
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1
1