1 /* { dg-do run } */ 2 /* { dg-options "-mavx2 -O2" } */ 3 /* { dg-require-effective-target avx2 } */ 4 5 #include "avx2-check.h" 6 #include "ssse3-vals.h" 7 8 static void compute_pmaddwd256(short * i1,short * i2,int * r)9compute_pmaddwd256 (short *i1, short *i2, int *r) 10 { 11 int i; 12 13 for (i = 0; i < 8; i++) 14 r[i] = ((int) i1[2 * i] * (int) i2[2 * i] + 15 (int) i1[2 * i + 1] * (int) i2[2 * i + 1]); 16 } 17 18 static void avx2_test(void)19avx2_test (void) 20 { 21 union256i_w s1, s2; 22 union256i_d res; 23 int res_ref[8]; 24 int i; 25 int fail = 0; 26 27 for (i = 0; i < 256; i += 16) 28 { 29 s1.x = _mm256_loadu_si256 ((__m256i *) & vals[i]); 30 s2.x = _mm256_loadu_si256 ((__m256i *) & vals[i + 8]); 31 32 res.x = _mm256_madd_epi16 (s1.x, s2.x); 33 34 compute_pmaddwd256 (s1.a, s2.a, res_ref); 35 36 fail += check_union256i_d (res, res_ref); 37 } 38 39 if (fail != 0) 40 abort (); 41 } 42