1  /* Target architectures which have been found to produce the expected RTL
       2     (neg:DI (ge:DI ...)) when compiling for LP64.  */
       3  /* { dg-do compile { target aarch64*-*-* arm*-*-* i?86-*-* ia64-*-* powerpc*-*-* sparc*-*-* x86_64-*-* } } */
       4  /* { dg-require-effective-target lp64 } */
       5  /* { dg-options "-O2 -fdump-rtl-combine-all" } */
       6  
       7  typedef long long int int64_t;
       8  
       9  int64_t
      10  foo (int64_t a)
      11  {
      12    return (~a) >> 63;
      13  }
      14  
      15  /* The combine phase will try to combine not & ashiftrt, and
      16     combine_simplify_rtx should transform (ashiftrt (not x) 63)
      17     to (not (ashiftrt x 63)) and then to (neg (ge x 0)). We look for
      18     the *attempt* to match this RTL pattern, regardless of whether an
      19     actual insn may be found on the platform.  */
      20  /* { dg-final { scan-rtl-dump "\\(neg:DI \\(ge:DI" "combine" } } */