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Control Register File Extensions
CPU Data Paths and Control2-30 SPRU733
Table 2−15. Floating-Point Auxiliary Configuration Register (FAUCR)
Field Descriptions (Continued)
Bit DescriptionValueField
5 INFO Signed infinity for .S1.
0 Result is not signed infinity.
1 Result is signed infinity.
4
INVAL
0 A signed NaN (SNaN) is not a source.
1 A signed NaN (SNaN) is a source. NaN is a source in a floating-point to integer
conversion or when infinity is subtracted from infinity.
3
DEN2 Denormalized number select for .S1 src2.
0 src2 is not a denormalized number.
1 src2 is a denormalized number.
2
DEN1 Denormalized number select for .S1 src1.
0 src1 is not a denormalized number.
1 src1 is a denormalized number.
1
NAN2 NaN select for .S1 src2.
0 src2 is not NaN.
1 src2 is NaN.
0
NAN1 NaN select for .S1 src1.
0 src1 is not NaN.
1 src1 is NaN.