Extu, Extract and zero-extend a bit field extu, Opcode register width and offset form – Texas Instruments TMS320C67X/C67X+ DSP User Manual
Page 173
Extract and Zero-Extend a Bit Field
EXTU
3-113
Instruction Set
SPRU733
Extract and Zero-Extend a Bit Field
EXTU
Syntax
EXTU (.unit) src2, csta, cstb, dst
or
EXTU (.unit) src2, src1, dst
.unit = .S1 or .S2
Compatibility
C62x, C64x, C67x, and C67x+ CPU
Opcode
Constant width and offset form:
31
29
28
27
23
22
18
17
13
12
8
7
6
5
4
3
2
1
0
creg
z
dst
src2
csta
cstb
0 0 0 0 1 0 s p
3
1
5
5
5
5
1
1
Opcode map field used...
For operand type...
Unit
src2
csta
cstb
dst
uint
ucst5
ucst5
uint
.S1, .S2
Opcode
Register width and offset form:
31
29
28
27
23
22
18
17
13
12
11
6
5
4
3
2
1
0
creg
z
dst
src2
src1
x 1 0 1 0 1 1 1 0 0 0 s p
3
1
5
5
5
1
1
1
Opcode map field used...
For operand type...
Unit
src2
src1
dst
xuint
uint
uint
.S1, .S2