Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1460

FPTAN—Partial Tangent (Continued)
FPU Flags Affected
C1
C2
C0, C3
Additional Itanium System Environment Exceptions
Itanium Reg Faults Disabled FP Register Fault if PSR.dfl is 1, NaT Register Consumption
Floating-point Exceptions
#IS
#IA
#D
#U
#P
Protected Mode Exceptions
#NM
Real Address Mode Exceptions
#NM
Virtual 8086 Mode Exceptions
#NM
4:158
Set to 0 if stack underflow occurred; set to 1 if stack overflow
occurred.
Indicates rounding direction if the inexact-result exception (#P) is
generated: 0 = not roundup; 1 = roundup.
Set to 1 if source operand is outside the range 2
otherwise, cleared to 0.
Undefined.
Abort.
Stack underflow occurred.
Source operand is an SNaN value, , or unsupported format.
Source operand is a denormal value.
Result is too small for destination format.
Value cannot be represented exactly in destination format.
EM or TS in CR0 is set.
EM or TS in CR0 is set.
EM or TS in CR0 is set.
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Volume 4: Base IA-32 Instruction Reference
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