Alpha FPCR Register
For your convenience, TotalView interprets the bit settings of the Alpha FPCR register. You can edit the value of the FPCR and set it to any of the bit settings outlined in the following table.
Value |
Bit Setting |
Meaning |
SUM |
0x8000000000000000 |
Summary bit |
DYN=CHOP |
0x0000000000000000 |
Rounding mode -- Chopped rounding mode |
DYN=MINF |
0x0400000000000000 |
Rounding mode -- Negative infinity |
DYN=NORM |
0x0800000000000000 |
Rounding mode -- Normal rounding |
DYN=PINF |
0x0c00000000000000 |
Rounding mode -- Positive infinity |
IOV |
0x0200000000000000 |
Integer overflow |
INE |
0x0100000000000000 |
Inexact result |
UNF |
0x0080000000000000 |
Underflow |
OVF |
0x0040000000000000 |
Overflow |
DZE |
0x0020000000000000 |
Division by zero |
INV |
0x0010000000000000 |
Invalid operation |