
836
Appendix A
Instruction Set List
User’s Manual U16702EE3V2UD00
(c) Register symbols used in operation
(d) Register symbols used in an execution clock
Register Symbol
Explanation
←
Input for
GR [ ]
General register
SR [ ]
System register
zero-extend (n)
Expand n with zeros until word length.
sign-extend (n)
Expand n with signs until word length.
load-memory (a, b)
Read size b data from address a.
store-memory (a, b, c)
Write data b into address a in size c.
load-memory-bit (a, b)
Read bit b of address a.
store-memory-bit (a, b, c)
Write c to bit b of address a.
saturated (n)
Execute saturated processing of n (n is a 2’s complement).
If, as a result of calculations,
n
≥
7FFFFFFFH, let it be 7FFFFFFFH.
n
≤
80000000H, let it be 80000000H.
result
Reflects the results in a flag.
Byte
Byte (8 bits)
Half-word
Half word (16 bits)
Word
Word (32 bits)
+
Addition
–
Subtraction
ll
Bit concatenation
×
Multiplication
÷
Division
%
Remainder from division results
AND
Logical product
OR
Logical sum
XOR
Exclusive OR
NOT
Logical negation
logically shift left by
Logical shift left
logically shift right by
Logical shift right
arithmetically shift right by
Arithmetic shift right
Register Symbol
Explanation
I
If executing another instruction immediately after executing the first
instruction (issue).
r
If repeating execution of the same instruction immediately after
executing the first instruction (repeat).
l
If using the results of instruction execution in the instruction
immediately after the execution (latency).
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