Datasheet

66
Table 2.13 Arithmetic Operation Instructions (cont)
Instruction Instruction Code Operation
Execu-
tion
Cycles T Bit
DMULS.L Rm,Rn 0011nnnnmmmm1101 Signed operation of Rn
× Rm → MACH, MACL
32 × 32 → 64 bit
2 to 4
*
—
DMULU.L Rm,Rn 0011nnnnmmmm0101 Unsigned operation of
Rn × Rm → MACH,
MACL 32 × 32 → 64 bit
2 to 4
*
—
DT Rn 0100nnnn00010000 Rn – 1 → Rn, when Rn
is 0, 1 → T. When Rn is
nonzero, 0 → T
1 Comparison
result
EXTS.B Rm,Rn 0110nnnnmmmm1110 A byte in Rm is sign-
extended → Rn
1—
EXTS.W Rm,Rn 0110nnnnmmmm1111 A word in Rm is sign-
extended → Rn
1—
EXTU.B Rm,Rn 0110nnnnmmmm1100 A byte in Rm is zero-
extended → Rn
1—
EXTU.W Rm,Rn 0110nnnnmmmm1101 A word in Rm is zero-
extended → Rn
1—
MAC.L @Rm+,@Rn+ 0000nnnnmmmm1111 Signed operation of
(Rn) × (Rm) + MAC →
MAC 32 × 32 → 64 bit
3/(2 to
4)
*
—
MAC.W @Rm+,@Rn+ 0100nnnnmmmm1111 Signed operation of
(Rn) × (Rm) + MAC →
MAC 16 × 16 + 64 →
64 bit
3/(2)
*
—
MUL.L Rm,Rn 0000nnnnmmmm0111 Rn × Rm → MACL, 32
× 32 → 32 bit
2 to 4
*
—
MULS.W Rm,Rn 0010nnnnmmmm1111 Signed operation of Rn
× Rm → MAC 16 × 16
→ 32 bit
1 to 3
*
—
MULU.W Rm,Rn 0010nnnnmmmm1110 Unsigned operation of
Rn × Rm → MAC 16 ×
16 → 32 bit
1 to 3
*
—
NEG Rm,Rn 0110nnnnmmmm1011 0–Rm → Rn 1 —
NEGC Rm,Rn 0110nnnnmmmm1010 0–Rm–T → Rn, Borrow
→ T
1 Borrow