gcc/testsuite/gcc.target/s390/pr77822-1.c

   1 /* Regression test for PR/77822.  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-O3 -march=zEC12" } */
   5
   6 void m_fn1();
   7
   8 char m_datawidth;
   9 char m_subunits;
  10 int m_subunit_infos[1];
  11
  12 int a;
  13 long b;
  14 void m_fn1() {
  15   int c = 32, d = m_datawidth / c;
  16   for (int e = 0; e < d; e++) {
  17     int f = e * 32;
  18     if (b >> f & 1)
  19       m_subunit_infos[m_subunits] = a;
  20   }
  21 }
  22
  23 /* { dg-final { scan-assembler-not "risbg.*-\[0-9\]+\\\+1\n" } } */