gcc/testsuite/gcc.target/powerpc/loop_align.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* powerpc-ibm-aix* } } */
   3 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
   4 /* { dg-options "-O2 -mcpu=power7 -falign-functions=16" } */
   5 /* { dg-final { scan-assembler ".p2align 5,,31" } } */
   6
   7 void f(double *a, double *b, double *c, unsigned long n) {
   8   unsigned long i;
   9   for (i=0; i < n; i++)
  10     a[i] = b[i] + c[i];
  11 }