Format: test a:RN comparator:S b:RN -> target:RN
Description: Puts 1 into target if the condition is true, and 0 if it is false. Comparator is one of <, >, <=, >=, !=, ==. May create extra load instructions, which prints a warning.
Cycles: 1-3
Example: test r0 < 0x10 -> r1