/* { dg-do compile } */ /* { dg-options "-O2 -msse2 -mno-avx" } */ /* { dg-final { scan-assembler-times {(?n)movhpd[ \t]+} "2" } } */ struct X { double x[4]; }; typedef double v2df __attribute__((vector_size(16))); v2df __attribute__((noipa)) foo (struct X x, struct X y) { return (v2df) {x.x[1], x.x[0] } + (v2df) { y.x[1], y.x[0] }; }