Texas Instruments TMS320C67X/C67X+ DSP - Manual (Page 267)

Add Two Signed Integers With Saturation SADD
3-207 Instruction Set SPRU733
Example 3 SADD .L1X B2,A5:A4,A7:A6
Before instruction 1 cycle after instruction
A5:A4 0000 0000h 7C83 39B1h 1922644401 † A5:A4 0000 0000h 7C83 39B1h
A7:A6 xxxx xxxxh xxxx xxxxh A7:A6 0000 0000h 8DAD 7953h 2376956243 †
B2 112A 3FA2h 287981474 B2 112A 3FA2h
CSR 0001 0100h CSR 0001 0100h
2 cycles after instruction
A5:A4 0000 0000h 7C83 39B1h
A7:A6 0000 0000h 83C3 7953h
B2 112A 3FA2h
CSR 0001 0100h Not saturated
† Signed 40-bit (long) integer