VHDL Operators

=      Equal

/=     Not Equal

<      Less Than

<=     Less Than or Equal To

    Greater Than

>=     Greater Than or Equal To

and  Logical AND Gate

or   Logical OR Gate

nand Logical NAND Gate  

nor  Logical NOR Gate

xor  Logical XOR Gate 

xnor Logical XNOR Gate 

sll  shift left logical

srl  shift right logical

sla  shift left arithmetic

sra  shift right arithmetic

rol  rotate left

ror  rotate right

**   exponentiation

abs  absolute value

not  complement

*    multiplication


mod  modulo

rem  remainder

+    addition

-    subtraction

&    concatenation


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