Fix gcc error: _mm256_set_m128 and its variants not defined for gcc 4.8/4.9
Fix gcc error: _mm256_set_m128 and its variants not defined for gcc 4.8/4.9

RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST,RRZE-HPC/GHOST