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__movsd

Microsoft Specific

Generates a Move String (rep movsd) instruction.

void __movsd( 
   unsigned long* Dest, 
   unsigned long* Source, 
   size_t Count 
);

[out] Dest

The destination of the operation.

[in] Source

The source of the operation.

[in] Count

The number of doublewords to copy.

Intrinsic

Architecture

__movsd

x86, x64

Header file <intrin.h>

The result is that the first Count doublewords pointed to by Source are copied to the Dest string.

This routine is only available as an intrinsic.

// movsd.cpp
// processor: x86, x64
#include <stdio.h>
#include <intrin.h>

#pragma intrinsic(__movsd)

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

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