42 lines
589 B
C
42 lines
589 B
C
#include "sse4_2-check.h"
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#include <nmmintrin.h>
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#define NUM 1024
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static int
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compute_popcnt (TYPE v)
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{
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int ret;
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int i;
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ret = 0;
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for (i = 0; i < sizeof(v) * 8; i++)
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if ((v & ((TYPE)1 << (TYPE) i)))
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ret++;
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return ret;
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}
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static void
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sse4_2_test (void)
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{
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int i;
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TYPE vals[NUM];
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TYPE res;
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for (i = 0; i < NUM; i++)
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{
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vals[i] = rand ();
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if (sizeof (TYPE) > 4)
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vals[i] |= (TYPE)rand() << (TYPE)(sizeof (TYPE) * 4);
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}
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for (i=0; i < NUM; i++)
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{
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res = POPCNT (vals[i]);
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if (res != compute_popcnt (vals[i]))
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abort ();
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}
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}
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