Power FPSCR Register

Reference_Guide : Classic TotalView Reference Guide : PART IV Platforms and Operating Systems : Architectures : Power Architectures : Power FPSCR Register

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

Value	Bit Setting	Meaning
0x80000000	FX	Floating-point exception summary
0x40000000	FEX	Floating-point enabled exception summary
0x20000000	VX	Floating-point invalid operation exception summary
0x10000000	OX	Floating-point overflow exception
0x08000000	UX	Floating-point underflow exception
0x04000000	ZX	Floating-point zero divide exception
0x02000000	XX	Floating-point inexact exception
0x01000000	VXSNAN	Floating-point invalid operation exception for SNaN
0x00800000	VXISI	Floating-point invalid operation exception: ¥ - ¥, or infinity‑infinity
0x00400000	VXIDI	Floating-point invalid operation exception: ¥ / ¥, or infinity divided by infinity
0x00200000	VXZDZ	Floating-point invalid operation exception: 0 / 0
0x00100000	VXIMZ	Floating-point invalid operation exception: ¥ * ¥, or infinity times infinity
0x00080000	VXVC	Floating-point invalid operation exception: invalid compare
0x00040000	FR	Floating-point fraction rounded
0x00020000	FI	Floating-point fraction inexact
0x00010000	FPRF=(C)	Floating-point result class descriptor
0x00008000	FPRF=(L)	Floating-point less than or negative
0x00004000	FPRF=(G)	Floating-point greater than or positive
0x00002000	FPRF=(E)	Floating-point equal or zero
0x00001000	FPRF=(U)	Floating-point unordered or NaN
0x00011000	FPRF=(QNAN)	Quiet NaN; alias for FPRF=(C+U)
0x00009000	FPRF=(-INF)	-Infinity; alias for FPRF=(L+U)
0x00008000	FPRF=(-NORM)	-Normalized number; alias for FPRF=(L)
0x00018000	FPRF=(-DENORM)	-Denormalized number; alias for FPRF=(C+L)
0x00012000	FPRF=(-ZERO)	-Zero; alias for FPRF=(C+E)
0x00002000	FPRF=(+ZERO)	+Zero; alias for FPRF=(E)
0x00014000	FPRF=(+DENORM)	+Denormalized number; alias for FPRF=(C+G)
0x00004000	FPRF=(+NORM)	+Normalized number; alias for FPRF=(G)
0x00005000	FPRF=(+INF)	+Infinity; alias for FPRF=(G+U)
0x00000400	VXSOFT	Floating-point invalid operation exception: software request
0x00000200	VXSQRT	Floating-point invalid operation exception: square root
0x00000100	VXCVI	Floating-point invalid operation exception: invalid integer convert
0x00000080	VE	Floating-point invalid operation exception enable
0x00000040	OE	Floating-point overflow exception enable
0x00000020	UE	Floating-point underflow exception enable
0x00000010	ZE	Floating-point zero divide exception enable
0x00000008	XE	Floating-point inexact exception enable
0x00000004	NI	Floating-point non-IEEE mode enable
0x00000000	RN=NEAR	Round to nearest
0x00000001	RN=ZERO	Round toward zero
0x00000002	RN=PINF	Round toward +infinity
0x00000003	RN=NINF	Round toward -infinity