Filter
Top Products
Instruction Descriptions 4–85
Table 4–12: IEEE Floating-Point Function Field Bit Summary
Bits Field
Meaning
†
15–13 TRP Trapping modes:
12–11 RND Rounding modes:
10–9 SRC Source datatype:
Contents Meaning for Opcodes 14
16
and 16
16
000 Imprecise (default)
001 Underflow enable (/U) — floating-point output
Integer overflow enable (/V) — integer output
010 UNPREDICTABLE for opcode 16
16
instructions
Reserved for opcode 14
16
instructions
011 UNPREDICTABLE for opcode 16
16
instructions
Reserved for opcode 14
16
instructions
100 UNPREDICTABLE for opcode 16
16
instructions
Reserved for opcode 14
16
instructions
101 /SU — floating-point output
/SV — integer output
110 UNPREDICTABLE for opcode 16
16
instructions
Reserved for opcode 14
16
instructions
111 /SUI — floating-point output
/SVI — integer output
Contents Meaning for Opcodes 16
16
and 14
16
00 Chopped (/C)
01 Minus infinity (/M)
10 Normal (default)
11 Dynamic (/D)
Contents Meaning for
Opcode 16
16
Meaning for
Opcode 14
16
00 S_floating S_floating
01 Reserved Reserved
10 T_floating T_floating
11 Q_fixed Reserved