/* { dg-do run } */ /* { dg-require-effective-target avx } */ /* { dg-options "-O2 -mavx" } */ #include "avx-check.h" #ifndef CTRL #define CTRL 6 #endif #define mask_v(pos) (((CTRL & (1ULL << (pos))) >> (pos)) << 1) void static avx_test () { union256d u, src; union256i_q ctl; double s[4] = {39578.467285, 7856.342941, 9674.67456, 13543.9788}; long long m[4] = {mask_v(0), mask_v(1), mask_v(2), mask_v(3)}; double e[4] = {0.0}; src.x = _mm256_loadu_pd(s); ctl.x = _mm256_loadu_si256((__m256i*) m); u.x = _mm256_permutevar_pd(src.x, ctl.x); e[0] = s[0 + ((m[0] & 0x02) >> 1)]; e[1] = s[0 + ((m[1] & 0x02) >> 1)]; e[2] = s[2 + ((m[2] & 0x02) >> 1)]; e[3] = s[2 + ((m[3] & 0x02) >> 1)]; if (check_union256d (u, e)) abort (); }