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Add Signed 16-Bit Constant to Register ADDK
3-59 Instruction SetSPRU733
Add Signed 16-Bit Constant to Register
ADDK
Syntax ADDK (.unit) cst, dst
.unit = .S1 or .S2
Compatibility C62x, C64x, C67x, and C67x+ CPU
Opcode
31 29 28 27 23 22 76543210
creg z dst cst16 1 0 1 0 0 s p
3 1 5 16 1 1
Opcode map field used... For operand type... Unit
cst16
dst
scst16
uint
.S1, .S2
Description A 16-bit signed constant, cst16, is added to the dst register specified. The
result is placed in dst.
Execution if (cond) cst + dst
→ dst
else nop
Pipeline
Stage
E1
Read cst16
Written dst
Unit in use
.S
Instruction Type Single-cycle
Delay Slots 0
Example
ADDK .S1 15401,A1
Before instruction 1 cycle after instruction
A1
0021 37E1h
2176993 A1 0021 740Ah 2192394
Pipeline