gcc/testsuite/gcc.dg/vect/vect-epilogues.c

   1 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   2 /* { dg-do compile } */
   3
   4 /* Copied from PR 88915.  */
   5 void pixel_avg( unsigned char *dst, int i_dst_stride,
   6                                unsigned char *src1, int i_src1_stride,
   7                                unsigned char *src2, int i_src2_stride,
   8                                int i_width, int i_height )
   9  {
  10      for( int y = 0; y < i_height; y++ )
  11      {
  12          for( int x = 0; x < i_width; x++ )
  13              dst[x] = ( src1[x] + src2[x] + 1 ) >> 1;
  14          dst += i_dst_stride;
  15          src1 += i_src1_stride;
  16          src2 += i_src2_stride;
  17      }
  18  }
  19
  20 /* { dg-final { scan-tree-dump "LOOP EPILOGUE VECTORIZED" "vect" { target vect_multiple_sizes xfail { { arm32 && be } || vect_partial_vectors_usage_2 } } } } */
  21 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */