(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
extract_recip_3.c
       1  /* { dg-do compile } */
       2  /* { dg-options "-Ofast -fdump-tree-optimized-raw" } */
       3  
       4  float
       5  extract_square (float *a, float *b, float x, float y)
       6  {
       7    *a = 3 / (y * y);
       8    *b = 5 / (y * y);
       9  
      10    return x / (y * y);
      11  }
      12  
      13  /* Don't expect the 'powmult' (calculation of y * y)
      14     to be deleted until a later pass, so look for one
      15     more multiplication than strictly necessary.  */
      16  float
      17  extract_recip (float *a, float *b, float x, float y, float z)
      18  {
      19    *a = 7 / y;
      20    *b = x / (y * y);
      21  
      22    return z / y;
      23  }
      24  
      25  /* 4 multiplications in 'extract_square', and 4 in 'extract_recip'.  */
      26  /* { dg-final { scan-tree-dump-times "mult_expr" 8 "optimized" } } */
      27  
      28  /* 1 division in 'extract_square', 1 division in 'extract_recip'. */
      29  /* { dg-final { scan-tree-dump-times "rdiv_expr" 2 "optimized" } } */