Viewing file:  avx512bitalg-vpshufbitqmb-1.c (1.26 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O2 -mavx512bitalg -mavx512f -mavx512bw" } */
/* { dg-require-effective-target avx512bitalg } */
#define AVX512BITALG
#define SIZE (AVX512F_LEN / 8)
#include "avx512f-helper.h"
#include "avx512f-mask-type.h"
#define TYPE unsigned long long
unsigned char
CALC (TYPE a, TYPE b)
{
unsigned char res = 0;
for (int i = 0; i < 8; i++)
{
unsigned char m = (b >> (64 - ((i+1)*8))) & 0x3F;
unsigned char bit = (a >> m) & 1;
res |= (bit << (8 - i - 1));
}
return res;
}
void
TEST (void)
{
UNION_TYPE (AVX512F_LEN, i_q) src1, src2;
MASK_TYPE mask = MASK_VALUE;
TYPE res1, res2;
TYPE res_ref = 0;
src1.x = INTRINSIC (_set1_epi8) (0x13);
src2.x = INTRINSIC (_set1_epi8) (0x17);
src1.a[0] = 0xff;
src2.a[0] = 0xff;
for (int i = 0; i < SIZE/8; i++)
{
unsigned long long bit = CALC (src1.a[i], src2.a[i]);
res_ref |= ((unsigned long long)(CALC (src1.a[i], src2.a[i])) << (i*8));
}
res1 = INTRINSIC (_bitshuffle_epi64_mask) (src1.x, src2.x);
res2 = INTRINSIC (_mask_bitshuffle_epi64_mask) (mask, src1.x, src2.x);
if (res1 != res_ref)
abort();
for (int i = 0; i < SIZE; i++)
{
if (!((mask >> i) & 1))
res_ref &= ~((unsigned long long)1 <<i);
}
if (res2 != res_ref)
abort();
}
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