| /* { dg-do compile } */ |
| /* { dg-options "-O2 -ftree-vectorize -msse4 -mtune=generic" } */ |
| |
| /* We need SSE4 so the backend recognizes a { 0, 5, 2, 7 } constant |
| permutation as supported as the vectorizer wants to generate |
| |
| vect__6.10_24 = vect__3.6_20 - vect__5.9_23; |
| vect__6.11_25 = vect__3.6_20 + vect__5.9_23; |
| _26 = VEC_PERM_EXPR <vect__6.10_24, vect__6.11_25, { 0, 5, 2, 7 }>; |
| |
| See also the ??? comment about using and/andn/or in expand_vec_perm_blend |
| for non-SSE4 targets. */ |
| |
| void testf (float * __restrict__ p, float * __restrict q) |
| { |
| p[0] = p[0] - q[0]; |
| p[1] = p[1] + q[1]; |
| p[2] = p[2] - q[2]; |
| p[3] = p[3] + q[3]; |
| } |
| |
| /* { dg-final { scan-assembler "addsubps" } } */ |
