1  /* { dg-xfail-run-if "unsupported" { *-*-* } } */
       2  #include <stdlib.h>
       3  #include <libitm.h>
       4  
       5  /* Test that _ITM_dropReferences() forces a commit of given chunk.  */
       6  
       7  unsigned char pp[100];
       8  
       9  int main()
      10  {
      11    int i;
      12  
      13    for(i=0; i < 100; ++i)
      14      pp[i]=0x22;
      15  
      16    __transaction_atomic {
      17      for(i=0; i < 100; ++i)
      18        pp[i]=0x33;
      19  
      20      /* This should write-through pp[0..49]...  */
      21      _ITM_dropReferences (pp, 50);
      22  
      23      /* ...while this should revert everything but pp[0..49].  */
      24      __transaction_cancel;
      25    }
      26  
      27    for(i=0; i < 50; ++i)
      28      if (pp[i] != 0x33)
      29        abort();
      30  
      31    for(i=50; i < 100; ++i)
      32      if (pp[i] != 0x22)
      33        abort();
      34  
      35    return 0;
      36  }