Mapping Between Instruction and Functional Unit
Mapping Between Instruction and Functional UnitB-6 SPRU733
Table B−1. Functional Unit to Instruction Mapping (Continued)
Instruction
Functional Unit
Instruction
.D Unit.S Unit.M Unit.L Unit
STB memory (15-bit offset)
‡
STH memory
STH memory (15-bit offset)
‡
STW memory
STW memory (15-bit offset)
‡
SUB
SUBAB
SUBAH
SUBAW
SUBC
SUBDP
§
SUBSP
§
SUBU
SUB2
XOR
ZERO
†
S2 only
‡
D2 only
§
C67x+ DSP-specific instruction