Intel 64 and IA-32 Architectures Software Developers Manual Volume 2A, Instruction Set Reference, A-M

ManualsBrandsIntel ManualsOtherIntel Pentium 4 Processor 2.80 GHz, 512K Cache, 533 MHz FSB

3-302 Vol. 2

INSTRUCTION SET REFERENCE, A-M

Operation

IF condition TRUE

THEN ST(0) ← ST(i);

FI;

FPU Flags Affected

C1 Set to 0 if stack underflow occurred.

C0, C2, C3 Undefined.

Floating-Point Exceptions

#IS Stack underflow occurred.

Integer Flags Affected

None.

Protected Mode Exceptions

#NM CR0.EM[bit 2] or CR0.TS[bit 3] = 1.

Real-Address Mode Exceptions

Same exceptions as in Protected Mode.

Virtual-8086 Mode Exceptions

Same exceptions as in Protected Mode.

Compatibility Mode Exceptions

Same exceptions as in Protected Mode.

64-Bit Mode Exceptions

Same exceptions as in Protected Mode.