Intel 253666-024US User Manual

Page 287

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Vol. 2A 3-241

INSTRUCTION SET REFERENCE, A-M

CVTTPD2DQ—Convert with Truncation Packed Double-Precision Floating-Point Values

to Packed Doubleword Integers

If a memory operand is not aligned on a 16-byte boundary,

regardless of segment.

#SS(0)

For an illegal address in the SS segment.

#PF(fault-code)

For a page fault.

#NM

If CR0.TS[bit 3] = 1.

#XM

If an unmasked SIMD floating-point exception and CR4.OSXM-

MEXCPT[bit 10] = 1.

#UD

If an unmasked SIMD floating-point exception and CR4.OSXM-

MEXCPT[bit 10] = 0.

If CR0.EM[bit 2] = 1.
If CR4.OSFXSR[bit 9] = 0.
If CPUID.01H:EDX.SSE2[bit 26] = 0.
If the LOCK prefix is used.

Real-Address Mode Exceptions

#GP(0)

If a memory operand is not aligned on a 16-byte boundary,

regardless of segment.

If any part of the operand lies outside the effective address

space from 0 to FFFFH.

#NM

If CR0.TS[bit 3] = 1.

#XM

If an unmasked SIMD floating-point exception and CR4.OSXM-

MEXCPT[bit 10] = 1.

#UD

If an unmasked SIMD floating-point exception and CR4.OSXM-

MEXCPT[bit 10] = 0.

If CR0.EM[bit 2] = 1.
If CR4.OSFXSR[bit 9] = 0.
If CPUID.01H:EDX.SSE2[bit 26] = 0.
If the LOCK prefix is used.

Virtual-8086 Mode Exceptions

Same exceptions as in real address mode.
#PF(fault-code)

For a page fault.

Compatibility Mode Exceptions

Same exceptions as in protected mode.

64-Bit Mode Exceptions

#SS(0)

If a memory address referencing the SS segment is in a non-

canonical form.

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