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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
Summary of Contents for SH7041 Series
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