SPARC FPSR Register

Reference_Guide : Classic TotalView Reference Guide : PART IV Platforms and Operating Systems : Architectures : Sun SPARC : SPARC FPSR Register

SPARC FPSR Register

For your convenience, TotalView interprets the bit settings of the SPARC FPSR register. You can edit the value of the FPSR and set it to any of the bit settings outlined in the following table.

Value	Bit Setting	Meaning
CEXC=NX	0x00000001	Current inexact exception
CEXC=DZ	0x00000002	Current divide by zero exception
CEXC=UF	0x00000004	Current underflow exception
CEXC=OF	0x00000008	Current overflow exception
CEXC=NV	0x00000010	Current invalid exception
AEXC=NX	0x00000020	Accrued inexact exception
AEXC=DZ	0x00000040	Accrued divide by zero exception
AEXC=UF	0x00000080	Accrued underflow exception
AEXC=OF	0x00000100	Accrued overflow exception
AEXC=NV	0x00000200	Accrued invalid exception
EQ	0x00000000	Floating-point condition =
LT	0x00000400	Floating-point condition <
GT	0x00000800	Floating-point condition >
UN	0x00000c00	Floating-point condition unordered
QNE	0x00002000	Queue not empty
NONE	0x00000000	Floating-point trap type None
IEEE	0x00004000	Floating-point trap type IEEE Exception
UFIN	0x00008000	Floating-point trap type Unfinished FPop
UIMP	0x0000c000	Floating-point trap type Unimplemented FPop
SEQE	0x00010000	Floating-point trap type Sequence Error
NS	0x00400000	Nonstandard floating-point FAST mode
TEM=NX	0x00800000	Trap enable mask - Inexact Trap Mask
TEM=DZ	0x01000000	Trap enable mask - Divide by Zero Trap Mask
TEM=UF	0x02000000	Trap enable mask - Underflow Trap Mask
TEM=OF	0x04000000	Trap enable mask - Overflow Trap Mask
TEM=NV	0x08000000	Trap enable mask - Invalid Operation Trap Mask
EXT	0x00000000	Extended rounding precision - Extended precision
SGL	0x10000000	Extended rounding precision - Single precision
DBL	0x20000000	Extended rounding precision - Double precision
NEAR	0x00000000	Rounding direction - Round to nearest (tie-even)
ZERO	0x40000000	Rounding direction - Round to 0
PINF	0x80000000	Rounding direction - Round to +Infinity
NINF	0xc0000000	Rounding direction - Round to -Infinity