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4–86 Alpha Architecture Handbook
8–5 FNC Instruction class:
†
Encodings for the instructions CVTST and CVTST/S are exceptions to this table; use the
encodings in Section C.1.
Table 4–12: IEEE Floating-Point Function Field Bit Summary (Continued)
Bits Field
Meaning
†
Contents Meaning for
Opcode 16
16
Meaning for
Opcode 14
16
0000 ADDx Reserved
0001 SUBx Reserved
0010 MULx Reserved
0011 DIVx Reserved
0100 CMPxUN ITOFS/ITOFT
0101 CMPxEQ Reserved
0110 CMPxLT Reserved
0111 CMPxLE Reserved
1000 Reserved Reserved
1001 Reserved Reserved
1010 Reserved Reserved
1011 Reserved SQRTS/SQRTT
1100 CVTxS Reserved
1101 Reserved Reserved
1110 CVTxT Reserved
1111 CVTxQ Reserved