/* { dg-do run } */ /* { dg-require-effective-target sse4 } */ /* { dg-options "-O2 -msse4.1" } */ #include "sse4_1-check.h" #ifdef DEBUG #include #endif #include static void __attribute__((noinline)) check (__m128 x, float *v, int j) { union { __m128 x; float f[4]; } u; unsigned int i; u.x = x; for (i = 0; i < sizeof (v) / sizeof (v[0]); i++) if (i == j) { if (v[i] != u.f[i]) { #ifdef DEBUG printf ("%i: %f != %f\n", i, v[i], u.f[i]); #endif abort (); } } else if (u.f[i] != 0) { #ifdef DEBUG printf ("%i: %f != 0\n", i, u.f[i]); #endif abort (); } } static void __attribute__((noinline)) test (float *v) { __m128 x; x = _mm_set_ps (0, 0, 0, v[0]); check (x, v, 0); x = _mm_set_ps (0, 0, v[1], 0); check (x, v, 1); x = _mm_set_ps (0, v[2], 0, 0); check (x, v, 2); x = _mm_set_ps (v[3], 0, 0, 0); check (x, v, 3); } static void sse4_1_test (void) { float v[4] = { -3, 2, 1, 9 }; test (v); }