1 /* { dg-do run } */ 2 /* { dg-options "-O2 -msse2" } */ 3 /* { dg-require-effective-target sse2 } */ 4 5 #include "sse2-check.h" 6 7 #include <emmintrin.h> 8 9 __m128d reg = { 2.0, 4.0 }; 10 11 void 12 __attribute__((noinline)) set_lower(double b)13set_lower (double b) 14 { 15 double v[2]; 16 _mm_store_pd(v, reg); 17 v[0] = b; 18 reg = _mm_load_pd(v); 19 } 20 21 static void sse2_test(void)22sse2_test (void) 23 { 24 set_lower (6.0); 25 26 if (reg[1] != 4.0) 27 __builtin_abort (); 28 } 29