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Vol. 2A 3-621
INSTRUCTION SET REFERENCE, A-M
MOVDDUP—Move One Double-FP and Duplicate
xmm1[127:64] = m64;
ELSE
(* Move instruction *)
xmm1[63:0] = xmm2[63:0];
xmm1[127:64] = xmm2[63:0];
FI;
Intel C/C++ Compiler Intrinsic Equivalent
MOVDDUP __m128d _mm_movedup_pd(__m128d a)
__m128d _mm_loaddup_pd(double const * dp)
Exceptions
None
Numeric Exceptions
None
Protected Mode Exceptions
#GP(0) For an illegal memory operand effective address in the CS, DS,
ES, FS or GS segments.
#SS(0) For an illegal address in the SS segment.
#PF(fault-code) For a page fault.
#NM If CR0.TS[bit 3] = 1.
#UD If CR0.EM[bit 2] = 1.
If CR4.OSFXSR[bit 9] = 0.
If CPUID.01H:ECX.SSE3[bit 0] = 0.
If the LOCK prefix is used.
#AC(0) If alignment checking is enabled and an unaligned memory
reference is made while the current privilege level is 3.
Real Address Mode Exceptions
GP(0) If any part of the operand would lie outside of the effective
address space from 0 to 0FFFFH.
#NM If CR0.TS[bit 3] = 1.
#UD If CR0.EM[bit 2] = 1.
If CR4.OSFXSR[bit 9] = 0.
If CPUID.01H:ECX.SSE3[bit 0] = 0.
If the LOCK prefix is used.