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Altera_Forum's avatar
Altera_Forum
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10 years ago

VHDL2008 matching equality operator

i can't get VHDL-2008 matching equality operator compiled on quartus2. when i compile the code below it says: Error (10327): VHDL error at test.vhd(13): can't determine definition of operator "...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

y need to be a std_logic, not a std_logic_vector.

?= returns a single bit.

If it has to be a vector, maybe try:

y(0) <= a ?= b;