Motorola MPC750 User Manual page 109

Table 2-20. Floating-Point Operand Data Type Behavior
Operand A Operand B Operand C IEEE Mode Non-IEEE Mode
Data Type Data Type Data Type (NI
=
0) (NI
=
1)
Single denormalized Single denormalized Single denormalized Normalize all three Zero all three
Double denormalized Double denormalized
Double denormalized
Single denormalized Single denormalized Normalized or zero Normalize A and B Zero Aand B
Double denormalized Double denormalized
Normalized or zero Single denormalized
Single denormalized Normalize Band C Zero Band C
Double denormalized Double denormalized
Single denormalized Normalized or zero Single denormalized
Normalize A and C Zero Aand C
Double denormalized Double denormalized
Single denormalized Normalized or zero Normalized or zero Normalize A Zero A
Double denormalized
Normalized or zero Single denormalized Normalized or zero Normalize B Zero B
Double denormalized
Normalized or zero Normalized or zero Single denormalized Normalize C Zero C
Double denormalized
Single QNaN
Don't care Don't care QNaN
1
QNaN
1
Single SNaN
Double QNaN
Double SNaN
Don't care Single QNaN Don't care QNaN
1
QNaN
1
Single SNaN
Double QNaN
Double SNaN
Don't care Don't care
Single QNaN
QNaN
1
QNaN
1
Single SNaN
Double QNaN
Double SNaN
Single normalized
Single normalized
Single normalized Do the operation Do the operation
Single infinity Single infinity Single infinity
Single zero Single zero Single zero
Double normalized
Double normalized Double normalized
Double infinity Double infinity Double infinity
Double zero Double zero
Double zero
1
Prioritize according to Chapter 3, "Operand Conventions," in The Programming Environments Manual.
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