gcc/testsuite/gcc.dg/vect/pr116791.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-mavx2" { target avx2 } } */
   3
   4 struct nine_context {
   5   unsigned tex_stage[8][33];
   6 };
   7 struct fvec4 {
   8   float x[2];
   9 };
  10 void f(struct fvec4 *dst, struct nine_context *context)
  11 {
  12   unsigned s;
  13   for (s = 0; s < 8; ++s)
  14     {
  15       float *rgba = &dst[s].x[0];
  16       unsigned color = context->tex_stage[s][0];
  17       rgba[0] = (float)((color >> 16) & 0xFF) / 0xFF;
  18       rgba[1] = (float)((color >> 8) & 0xFF) / 0xFF;
  19     }
  20 }