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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [i386/] [avx2-vpsadbw-2.c] - Rev 724
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/* { dg-do run } */ /* { dg-require-effective-target avx2 } */ /* { dg-options "-O2 -mavx2" } */ #include <string.h> #include "avx2-check.h" static void compute_sadbw256 (unsigned char *s1, unsigned char *s2, unsigned short *r) { int i; unsigned char tmp[32]; for (i = 0; i < 32; i++) tmp[i] = s1[i] > s2[i] ? s1[i] - s2[i] : s2[i] - s1[i]; memset (r, 0, 32); for (i = 0; i < 8; i++) r[0] += tmp[i]; for (i = 8; i < 16; i++) r[4] += tmp[i]; for (i = 16; i < 24; i++) r[8] += tmp[i]; for (i = 24; i < 32; i++) r[12] += tmp[i]; } void static avx2_test (void) { union256i_b s1, s2; union256i_w res; unsigned short res_ref[16]; int i, j; int fail = 0; for (i = 0; i < 10; i++) { for (j = 0; j < 32; j++) { s1.a[j] = j * i; s2.a[j] = j + 20; } res.x = _mm256_sad_epu8 (s1.x, s2.x);; compute_sadbw256 (s1.a, s2.a, res_ref); fail += check_union256i_w (res, res_ref); } if (fail != 0) abort (); }
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