1/* { dg-do run } */ 2/* { dg-require-effective-target avx2 } */ 3/* { dg-options "-O2 -mavx2" } */ 4 5#include <string.h> 6#include "avx2-check.h" 7 8static void 9compute_i32gatherpd (double *src, 10 double *s1, int *s2, double *mask, int scale, double *r) 11{ 12 int i; 13 14 for (i = 0; i < 2; ++i) 15 if ((((long long *) mask)[i] >> 63) & 1) 16 r[i] = *(double *) (((unsigned char *) s1) + s2[i] * scale); 17 else 18 r[i] = src[i]; 19} 20 21void static 22avx2_test (void) 23{ 24 int i; 25 union128i_d idx; 26 union128d res, src, mask; 27 double s1[2], res_ref[2] = { 0 }; 28 29 for (i = 0; i < 2; ++i) 30 { 31 /* Set some stuff */ 32 s1[i] = 2.718281828459045 * (i + 1) * (i + 2); 33 34 /* Set src as something different from s1 */ 35 src.a[i] = -s1[i]; 36 37 /* Mask out evens */ 38 ((long long *) mask.a)[i] = i % 2 ? 0 : -1; 39 40 /* About to gather in reverse order, 41 divide by 2 to demonstrate scale */ 42 idx.a[i] = (16 - (i + 1) * 8) >> 1; 43 } 44 45 res.x = _mm_mask_i32gather_pd (src.x, s1, idx.x, mask.x, 2); 46 47 compute_i32gatherpd (src.a, s1, idx.a, mask.a, 2, res_ref); 48 49 if (check_union128d (res, res_ref) != 0) 50 abort (); 51} 52