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Opcode Map Symbols and Meanings
F-3.S Unit Instructions and Opcode MapsSPRU733
F.2 Opcode Map Symbols and Meanings
Table F−2 lists the symbols and meanings used in the opcode maps.
Table F−2. .S Unit Opcode Map Symbol Definitions
Symbol Meaning
creg 3-bit field specifying a conditional register
csta constant a
cstb constant b
cstn n-bit constant field
dst destination
h MVK or MVKH/MVKLH instruction; 0 = MVK, 1 = MVKH/MVKLH
op opfield; field within opcode that specifies a unique instruction
p parallel execution; 0 = next instruction is not executed in parallel, 1 = next instruction is
executed in parallel
s side A or B for destination; 0 = side A, 1 = side B
src1 source 1
src2 source 2
x cross path for src2; 0 = do not use cross path, 1 = use cross path
z
test for equality with zero or nonzero