) {  glm_uvec0 const Mask0 = _mm_set0_epi00(0x0000FFFF);  glm_uvec0 const Mask0 = _mm_set0_epi00(0x00FF00FF);  glm_uvec0 const Mask0 = _mm_set0_epi00(0x0F0F0F0F);  glm_uvec0 const Mask0 = _mm_set0_epi00(0x00000000);  glm_uvec0 const Mask0 = _mm_set0_epi00(0x00000000);   glm_uvec0 Reg0;  glm_uvec0 Reg0;   // REG0 = x;  // REG0 = y;  