1  /* Origin: PR target/11693 from Andreas Schwab <schwab@suse.de> */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -frename-registers" } */
       4  
       5  static inline unsigned long long
       6  foo (void)
       7  {
       8    unsigned long long x;
       9    __asm__ __volatile__ ("" : "=r" (x) :: "memory");
      10    return x;
      11  }
      12  
      13  static inline void
      14  bar (unsigned long long x, unsigned long long y)
      15  {
      16    __asm__ __volatile__ ("" :: "r"(x), "r"(y) : "memory");
      17  }
      18  
      19  static inline void
      20  baz (unsigned long long x, unsigned long long y, unsigned long long z,
      21       unsigned long long p, unsigned long long q)
      22  {
      23    __asm__ __volatile__ ("" :: "r" (q << 2) : "memory");
      24    __asm__ __volatile__ ("" :: "r" (z) : "memory");
      25    if (x & 0x1)
      26      __asm__ __volatile__ ("" :: "r" (y), "r" (p) : "memory");
      27    if (x & 0x2)
      28      __asm__ __volatile__ ("" :: "r" (y), "r" (p) : "memory");
      29  }
      30  
      31  static inline unsigned long long
      32  ffz (unsigned long long x)
      33  {
      34    unsigned long long r;
      35    __asm__ ("" : "=r" (r) : "r" (x & (~x - 1)));
      36    return r;
      37  }
      38  
      39  void die (const char *, ...) __attribute__ ((noreturn));
      40  
      41  void
      42  test (void *x)
      43  {
      44    unsigned long long a, c;
      45  
      46    a = foo ();
      47    bar (0xc000000000000000LL, 0x660);
      48    bar (0xa00000000000c000LL, 0x539);
      49    baz (2, 1, 0xa000000000008000LL,
      50         ({ unsigned long long b;
      51  	  b = ({ unsigned long long d; __asm__ ("" : "=r" (d) : "r" (x)); d; })
      52  	      + 0x10000000000661LL;
      53  	  b;
      54  	}),
      55         14);
      56    c = ffz (0x1fffffffffffffffLL);
      57    if (c < 51 || c > 61)
      58      die ("die", c - 1);
      59  }