1  /* { dg-do compile } */
       2  /* { dg-additional-options "-O2 -std=c99  -fno-unwind-tables -fno-asynchronous-unwind-tables" } */
       3  /* { dg-final { check-function-bodies "**" "" "" { target { le } } } } */
       4  
       5  #include <stdbool.h>
       6  
       7  void h(void);
       8  
       9  /*
      10  ** g1:
      11  ** 	cbnz	w0, .L[0-9]+
      12  ** 	ret
      13  ** 	...
      14  */
      15  void g1(int x)
      16  {
      17    if (__builtin_expect (x, 0))
      18      h ();
      19  }
      20  
      21  /* 
      22  ** g2:
      23  ** 	tbnz	x0, 0, .L[0-9]+
      24  ** 	ret
      25  ** 	...
      26  */
      27  void g2(int x)
      28  {
      29    if (__builtin_expect (x & 1, 0))
      30      h ();
      31  }
      32  
      33  /* 
      34  ** g3:
      35  ** 	tbnz	x0, 3, .L[0-9]+
      36  ** 	ret
      37  ** 	...
      38  */
      39  void g3(int x)
      40  {
      41    if (__builtin_expect (x & 8, 0))
      42      h ();
      43  }
      44  
      45  /* 
      46  ** g4:
      47  ** 	tbnz	w0, #31, .L[0-9]+
      48  ** 	ret
      49  ** 	...
      50  */
      51  void g4(int x)
      52  {
      53    if (__builtin_expect (x & (1 << 31), 0))
      54      h ();
      55  }
      56  
      57  /* 
      58  ** g5:
      59  ** 	tst	w0, 255
      60  ** 	bne	.L[0-9]+
      61  ** 	ret
      62  ** 	...
      63  */
      64  void g5(char x)
      65  {
      66    if (__builtin_expect (x, 0))
      67      h ();
      68  }
      69  
      70  /* 
      71  ** g6:
      72  ** 	tbnz	w0, 0, .L[0-9]+
      73  ** 	ret
      74  ** 	...
      75  */
      76  void g6(char x)
      77  {
      78    if (__builtin_expect (x & 1, 0))
      79      h ();
      80  }
      81  
      82  /* 
      83  ** g7:
      84  ** 	tst	w0, 3
      85  ** 	bne	.L[0-9]+
      86  ** 	ret
      87  ** 	...
      88  */
      89  void g7(char x)
      90  {
      91    if (__builtin_expect (x & 3, 0))
      92      h ();
      93  }
      94  
      95  /* 
      96  ** g8:
      97  ** 	tbnz	w0, 7, .L[0-9]+
      98  ** 	ret
      99  ** 	...
     100  */
     101  void g8(char x)
     102  {
     103    if (__builtin_expect (x & (1 << 7), 0))
     104      h ();
     105  }
     106  
     107  /* 
     108  ** g9:
     109  ** 	tbnz	w0, 0, .L[0-9]+
     110  ** 	ret
     111  ** 	...
     112  */
     113  void g9(bool x)
     114  {
     115    if (__builtin_expect (x, 0))
     116      h ();
     117  }
     118  
     119  /* 
     120  ** g10:
     121  ** 	tbnz	w0, 0, .L[0-9]+
     122  ** 	ret
     123  ** 	...
     124  */
     125  void g10(bool x)
     126  {
     127    if (__builtin_expect (x & 1, 0))
     128      h ();
     129  }
     130