Intel x86 FPCR Register

For your convenience, TotalView interprets the bit settings of the FPCR and FPSR registers.

You can edit the value of the FPCR and set it to any of the bit settings outlined in the next table.

Value	Bit Setting	Meaning
RC=RN	0x0000	To nearest rounding mode
RC=R-	0x2000	Toward negative infinity rounding mode
RC=R+	0x4000	Toward positive infinity rounding mode
RC=RZ	0x6000	Toward zero rounding mode
PC=SGL	0x0000	Single-precision rounding
PC=DBL	0x0080	Double-precision rounding
PC=EXT	0x00c0	Extended-precision rounding
EM=PM	0x0020	Precision exception enable
EM=UM	0x0010	Underflow exception enable
EM=OM	0x0008	Overflow exception enable
EM=ZM	0x0004	Zero-divide exception enable
EM=DM	0x0002	Denormalized operand exception enable
EM=IM	0x0001	Invalid operation exception enable