1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-vectorize" } */
       3  
       4  #define TYPE int
       5  #define SIZE 257
       6  
       7  void __attribute__ ((weak))
       8  f (TYPE *x, TYPE *y, unsigned short n, unsigned short m)
       9  {
      10    for (int i = 0; i < SIZE; ++i)
      11      x[i * n] += y[i * m];
      12  }
      13  
      14  /* { dg-final { scan-assembler {\tld1w\tz[0-9]+} } } */
      15  /* { dg-final { scan-assembler {\tst1w\tz[0-9]+} } } */
      16  /* { dg-final { scan-assembler {\tldr\tw[0-9]+} } } */
      17  /* { dg-final { scan-assembler {\tstr\tw[0-9]+} } } */
      18  /* Should multiply by (257-1)*4 rather than (VF-1)*4 or (VF-2)*4.  */
      19  /* { dg-final { scan-assembler-times {\tubfiz\tx[0-9]+, x2, 10, 16\n} 1 } } */
      20  /* { dg-final { scan-assembler-times {\tubfiz\tx[0-9]+, x3, 10, 16\n} 1 } } */
      21  /* { dg-final { scan-assembler-not {\tcmp\tx[0-9]+, 0} } } */
      22  /* { dg-final { scan-assembler-not {\tcmp\tw[0-9]+, 0} } } */
      23  /* { dg-final { scan-assembler-not {\tcsel\tx[0-9]+} } } */
      24  /* Two range checks and a check for n being zero.  (m being zero is OK.)  */
      25  /* { dg-final { scan-assembler-times {\tcmp\t} 1 } } */
      26  /* { dg-final { scan-assembler-times {\tccmp\t} 2 } } */