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Instruction Formats 3–9
NOT Logical (ones) complement
OR Logical sum
PHYSICAL_ADDRESS Translation of a virtual address
PRIORITY_ENCODE Returns the bit position of most significant set bit, inter-
preting its argument as a positive integer (=int(lg(x))). For
example:
priority_encode( 255 ) = 7
Relational Operators:
RIGHT_SHIFT(x,y) Logical right shift of first operand by the second operand.
Y is an unsigned shift value. Zeros are moved into
vacated bit positions, and shifted out bits are discarded.
SEXT(x) X is sign-extended to the required size.
STORE_CONDITIONAL If the lock_flag is set, then do the indicated store and clear
the lock_flag.
Table 3–7: Operators (Continued)
Operator Meaning
Operator Meaning
LT Less than signed
LTU Less than unsigned
LE Less or equal signed
LEU Less or equal unsigned
EQ Equal signed and unsigned
NE Not equal signed and unsigned
GE Greater or equal signed
GEU Greater or equal unsigned
GT Greater signed
GTU Greater unsigned
LBC Low bit clear
LBS Low bit signed