Table 7.4 Arithmetic Operation Instructions - Hitachi SH7751 Hardware Manual

Table 7.4 Arithmetic Operation Instructions (cont)
Instruction
EXTS.W Rm,Rn
EXTU.B Rm,Rn
EXTU.W Rm,Rn
MAC.L @Rm+,@Rn+ Signed, (Rn)
MAC.W @Rm+,@Rn+ Signed, (Rn)
MUL.L Rm,Rn
MULS.W Rm,Rn
MULU.W Rm,Rn
NEG Rm,Rn
NEGC Rm,Rn
SUB Rm,Rn
SUBC Rm,Rn
SUBV Rm,Rn
Operation
Rm sign-extended from

word Rn
Rm zero-extended from

byte Rn
Rm zero-extended from

word Rn

(Rm) + MAC
MAC
 
Rn + 4 Rn, Rm + 4
 
32 32 + 64 64 bits

(Rm) + MAC
MAC
 
Rn + 2 Rn, Rm + 2
 
16 16 + 64 64 bits
 
Rn Rm MACL
 
32 32 32 bits
 
Signed, Rn Rm MACL
 
16 16 32 bits
 
Unsigned, Rn Rm MACL
 
16 16 32 bits

0 – Rm Rn

0 – Rm – T Rn, borrow

Rn – Rm Rn

Rn – Rm – T Rn, borrow

Rn – Rm Rn, underflow
Instruction Code
0110nnnnmmmm1111 —
0110nnnnmmmm1100 —
0110nnnnmmmm1101 —

0000nnnnmmmm1111 —
Rm

0100nnnnmmmm1111 —
Rm
0000nnnnmmmm0111 —
0010nnnnmmmm1111 —
0010nnnnmmmm1110 —
0110nnnnmmmm1011 —

T 0110nnnnmmmm1010 —
0011nnnnmmmm1000 —

T 0011nnnnmmmm1010 —

T 0011nnnnmmmm1011 —
Rev. 3.0, 04/02, page 177 of 1064
Privileged T Bit
—
—
—
—
—
—
—
—
—
Borrow
—
Borrow
Underflow