tm1300 NXP Semiconductors, tm1300 Datasheet - Page 436
tm1300
Manufacturer Part Number
tm1300
Description
Tm-1300 Media Processor
Manufacturer
NXP Semiconductors
Datasheet
1.TM1300.pdf
(533 pages)
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TM1300 Data Book
quadumin
SYNTAX
FUNCTION
DESCRIPTION
r src1 and r src2 . All bytes are considered unsigned. The
median computation on packed pixel data structures:
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-150
r30 = 0x0201000e, r40 = 0xff00ff02
r10 = 0, r60 = 0x9c9c6464, r70 = 0x649d649c
r20 = 1, r60 = 0x9c9c6464, r70 = 0x649d649c
The
MEDIAN_Q(a,b,c) (QUADUMIN(QUADUMAX( QUADUMIN((a),(b)), (c)), QUADUMAX((a),(b))))
The
[ IF r guard ] quadumin r src1 r src2
if r guard then {
}
r dest <7:0>
r dest <15:8>
r dest <23:16>
r dest <31:24>
quadumin
quadumin
Initial Values
if r src1 <7:0> < r src2 <7:0> then r src1< 7:0> else r src2 <7:0>
if r src1 <15:8> < r src2 <15:8> then r src1< 15:8> else r src2 <15:8>
operation computes four separate minimum values of the four pairs of corresponding 8-bit bytes of
if r src1 <23:16> < r src2 <23:16> then r src1< 23:16> else r src2 <23:16>
if r src1 <31:24> < r src2 <31:24> then r src1< 31:24> else r src2 <31:24>
operation optionally takes a guard, specified in r guard . If a guard is present, its LSB controls the
PRODUCT SPECIFICATION
quadumin r30 r40
IF r10 quadumin r60 r70
IF r20 quadumin r60 r70
r dest
quadumin
Operation
Unsigned bytewise quad minimum
r50
operation is particularly suited to implement
r80
r90
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
imin imax quadumax
r50
no change, since guard is false
r90
Philips Semiconductors
ATTRIBUTES
0x02000002
0x649c6464
SEE ALSO
Result
dspalu
No
1,3
80
—
2
2
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