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 8 #define N 0x5 9 10 static void compute_psrldq256(char * s1,char * r)11compute_psrldq256 (char *s1, char *r) 12 { 13 int i; 14 15 memset (r, 0, 32); 16 17 for (i = 0; i < 16 - N; i++) 18 r[i] = s1[i + N]; 19 20 for (i = 0; i < 16 - N; i++) 21 r[i + 16] = s1[i + N + 16]; 22 } 23 24 25 void static avx2_test(void)26avx2_test (void) 27 { 28 union256i_b s1, res; 29 char res_ref[32]; 30 int i, j; 31 int fail = 0; 32 33 for (i = 0; i < 10; i++) 34 { 35 for (j = 0; j < 32; j++) 36 s1.a[j] = j * i; 37 38 res.x = _mm256_srli_si256 (s1.x, N); 39 40 compute_psrldq256 (s1.a, res_ref); 41 42 fail += check_union256i_b (res, res_ref); 43 } 44 45 if (fail != 0) 46 abort (); 47 } 48