Opcode Map Symbols and Meanings
.D Unit Instructions and Opcode MapsC-4 SPRU733
Table C−3. Address Generator Options for Load/Store
mode Field Syntax Modification Performed
0 0 0 0 *−R[ucst5] Negative offset
0 0 0 1 *+R[ucst5] Positive offset
0100 *−R[offsetR] Negative offset
0 1 0 1 *+R[offsetR] Positive offset
1000 *− −R[ucst5] Predecrement
1 0 0 1 *+ +R[ucst5] Preincrement
1010 *R− −[ucst5] Postdecrement
1 0 1 1 *R+ +[ucst5] Postincrement
1100 *−−R[offsetR] Predecrement
1 1 0 1 *+ +R[offsetR] Preincrement
1110 *R− −[offsetR] Postdecrement
1
1 1 1 *R++[offsetR] Postincrement
To Next Page