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__movsq

Microsoft Specific

Generates a repeated Move String (rep movsq) instruction.

Syntax

void __movsq(
   unsigned long long* Destination,
   unsigned long long const* Source,
   size_t Count
);

Parameters

Destination
[out] The destination of the operation.

Source
[in] The source of the operation.

Count
[in] The number of quadwords to copy.

Requirements

Intrinsic Architecture
__movsq x64

Header file <intrin.h>

Remarks

The result is that the first Count quadwords pointed to by Source are copied to the Destination string.

This routine is only available as an intrinsic.

Example

// movsq.cpp
// processor: x64
#include <stdio.h>
#include <intrin.h>

#pragma intrinsic(__movsq)

int main()
{
    unsigned __int64 a1[10];
    unsigned __int64 a2[10] = {950, 850, 750, 650, 550, 450, 350, 250,
                               150, 50};
    __movsq(a1, a2, 10);

    for (int i = 0; i < 10; i++)
       printf_s("%d ", a1[i]);
    printf_s("\n");
}
950 850 750 650 550 450 350 250 150 50

END Microsoft Specific

See also

Compiler intrinsics