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Floating-Point Unit
6-18 M68060 USER’S MANUAL MOTOROLA
NOTE: All condition codes with an overbar indicate cleared bits; all other bits are set.
Table 6-9. Floating-Point Conditional Tests
Mnemonic Definition Equation Predicate BSUN Bit Set
IEEE Nonaware Tests
EQ Equal Z 000001 No
NE Not Equal Z 001110 No
GT Greater Than NAN + Z + N 010010 Yes
NGT Not Greater Than NAN + Z + N 011101 Yes
GE Greater Than or Equal Z + (NAN + N) 010011 Yes
NGE Not Greater Than or Equal NAN + (N • Z) 011100 Yes
LT Less Than N • (NAN + Z) 010100 Yes
NLT Not Less Than NAN + (Z + N) 011011 Yes
LE Less Than or Equal Z + (N • NAN) 010101 Yes
NLE Not Less Than or Equal NAN + (N + Z) 011010 Yes
GL Greater or Less Than NAN + Z 010110 Yes
NGL Not Greater or Less Than NAN + Z 011001 Yes
GLE Greater, Less, or Equal NAN 010111 Yes
NGLE Not Greater, Less, or Equal NAN 011000 Yes
IEEE Aware Tests
EQ Equal Z 000001 No
NE Not Equal Z 001110 No
OGT Ordered Greater Than NAN + Z + N 000010 No
ULE Unordered or Less or Equal NAN + Z + N 001101 No
OGE Ordered Greater Than or Equal Z + (NAN + N) 000011 No
ULT Unordered or Less Than NAN + (N • Z) 001100 No
OLT Ordered Less Than N • (NAN + Z) 000100 No
UGE Unordered or Greater or Equal NAN + (Z + N) 001011 No
OLE Ordered Less Than or Equal Z + (N • NAN) 000101 No
UGT Unordered or Greater Than NAN + (N + Z) 001010 No
OGL Ordered Greater or Less Than NAN + Z 000110 No
UEQ Unordered or Equal NAN + Z 001001 No
OR Ordered NAN 000111 No
UN Unordered NAN 001000 No
Miscellaneous Tests
F False False 000000 No
T True True 001111 No
SF Signaling False False 010000 Yes
ST Signaling True True 011111 Yes
SEQ Signaling Equal Z 010001 Yes
SNE Signaling Not Equal Z 011110 Yes
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