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Negate NEG
3-189 Instruction SetSPRU733
Negate
NEG
Syntax NEG (.unit) src2, dst
.unit = .L1, .L2, .S1, .S2
Compatibility C62x, C64x, C67x, and C67x+ CPU
Opcode .S unit
31 29 28 27 23 22 18 17 13 12 11 6 5 4 3 2 1 0
creg z dst src2 0 0 0 0 0 x 0 1 0 1 1 0 1 0 0 0 s p
3 1 5 5 1 1 1
Opcode map field used... For operand type... Unit
src2
dst
xsint
sint
.S1, .S2
Opcode .L unit
31 29 28 27 23 22 18 17 13 12 11 5 4 3 2 1 0
creg z dst src2 0 0 0 0 0 x op 1 1 0 s p
3 1 5 5 1 7 1 1
Opcode map field used... For operand type... Unit Opfield
src2
dst
xsint
sint
.L1, .L2 000 0110
src2
dst
slong
slong
.L1, .L2 010 0100
Description The NEG pseudo-operation negates src2 and places the result in dst. The
assembler uses SUB (.unit) 0, src2, dst to perform this operation.
Execution if (cond) 0 −s src2 → dst
else nop
Instruction Type Single-cycle
Delay Slots 0