Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1442

FLD1/FLDL2T/FLDL2E/FLDPI/FLDLG2/FLDLN2/FLDZ—Load
Constant (Continued)
Virtual 8086 Mode Exceptions
#NM
Intel Architecture Compatibility Information
When the RC field is set to round-to-nearest, the FPU produces the same constants that
is produced by the Intel 8087 and Intel287 math coprocessors.
4:140
EM or TS in CR0 is set.
Volume 4: Base IA-32 Instruction Reference