gcc/testsuite/gcc.target/s390/pr92176.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -march=z13 -mzarch" } */
   3
   4 int a = 5, b, c, d, g, h, k, l, m, o;
   5 static int e[7];
   6 int *volatile i = &d;
   7 long long j;
   8
   9 short p(int f, int dummy) {
  10   k = 0 != (*e = m);
  11   j = 0;
  12   for (; j < 59; j = j + 1)
  13     *i |= b;
  14   g = 1;
  15   for (; g <= 4; g++) {
  16     o = 0;
  17     for (; o <= 4; o++)
  18       i = (int * volatile)(long)l;
  19   }
  20   return 42;
  21 }
  22
  23 void
  24 q() {
  25   char *n = (char*)&b;
  26
  27   (*n = a) == p(e[6], c);
  28   for (; h;)
  29     for (;;)
  30       ;
  31 }
  32
  33 /* { dg-final { scan-assembler-not {(?n)^\tvsteb\t.+,0$} } } */