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ADD Add Two Signed Integers Without Saturation
3-46 Instruction Set SPRU733
Opcode .D unit
31 292827 2322 1817 1312 76543210
creg z dst src2 src1 op 1 0 0 0 0 s p
3 1 5 5 5 6 1 1
Opcode map field used... For operand type... Unit Opfield
src2
src1
dst
sint
sint
sint
.D1, .D2 01 0000
src2
src1
dst
sint
ucst5
sint
.D1, .D2 01 0010
Description for .D1, .D2 Opcodes
src1 is added to src2. The result is placed in dst.
Execution for .D1, .D2 Opcodes
if (cond)
src2 + src1
→ dst
else nop
Pipeline
Stage
E1
Read src1, src2
Written dst
Unit in use
.L, .S, or .D
Instruction Type Single-cycle
Delay Slots 0
See Also ADDDP, ADDK, ADDSP, ADDU, ADD2, SADD, SUB
Pipeline