gcc/testsuite/gcc.target/powerpc/small-loop-unroll.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-rtl-loop2_unroll" } */
   3
   4 void __attribute__ ((noinline)) foo(int n, int *arr)
   5 {
   6   int i;
   7   for (i = 0; i < n; i++)
   8     arr[i] = arr[i] - 10;
   9 }
  10 /* { dg-final { scan-rtl-dump-times "Unrolled loop 1 times" 1 "loop2_unroll" } } */
  11 /* { dg-final { scan-assembler-times {\mlwz\M} 3 } } */
  12 /* { dg-final { scan-assembler-times {\mstw\M} 3 } } */
  13