1  /* { dg-do compile { target lp64 } } */
       2  /* { dg-require-effective-target powerpc_p9vector_ok } */
       3  /* { dg-options "-mdejagnu-cpu=power9 -O2" } */
       4  
       5  /* Verify that the XXBR{H,W} instructions are generated if the value is
       6     forced to be in a vector register, and XXBRD is generated all of the
       7     time for register bswap64's.  */
       8  
       9  unsigned short
      10  do_bswap16_mem (unsigned short *p)
      11  {
      12    return __builtin_bswap16 (*p);	/* LHBRX.  */
      13  }
      14  
      15  unsigned short
      16  do_bswap16_reg (unsigned short a)
      17  {
      18    return __builtin_bswap16 (a);		/* gpr sequences.  */
      19  }
      20  
      21  void
      22  do_bswap16_store (unsigned short *p, unsigned short a)
      23  {
      24    *p = __builtin_bswap16 (a);		/* STHBRX.  */
      25  }
      26  
      27  unsigned short
      28  do_bswap16_vect (unsigned short a)
      29  {
      30    __asm__ (" # %x0" : "+v" (a));
      31    return __builtin_bswap16 (a);		/* XXBRW.  */
      32  }
      33  
      34  unsigned int
      35  do_bswap32_mem (unsigned int *p)
      36  {
      37    return __builtin_bswap32 (*p);	/* LWBRX.  */
      38  }
      39  
      40  unsigned int
      41  do_bswap32_reg (unsigned int a)
      42  {
      43    return __builtin_bswap32 (a);		/* gpr sequences.  */
      44  }
      45  
      46  void
      47  do_bswap32_store (unsigned int *p, unsigned int a)
      48  {
      49    *p = __builtin_bswap32 (a);		/* STWBRX.  */
      50  }
      51  
      52  unsigned int
      53  do_bswap32_vect (unsigned int a)
      54  {
      55    __asm__ (" # %x0" : "+v" (a));
      56    return __builtin_bswap32 (a);		/* XXBRW.  */
      57  }
      58  
      59  unsigned long
      60  do_bswap64_mem (unsigned long *p)
      61  {
      62    return __builtin_bswap64 (*p);	/* LDBRX.  */
      63  }
      64  
      65  unsigned long
      66  do_bswap64_reg (unsigned long a)
      67  {
      68    return __builtin_bswap64 (a);		/* gpr sequences.  */
      69  }
      70  
      71  void
      72  do_bswap64_store (unsigned long *p, unsigned int a)
      73  {
      74    *p = __builtin_bswap64 (a);		/* STDBRX.  */
      75  }
      76  
      77  double
      78  do_bswap64_double (unsigned long a)
      79  {
      80    return (double) __builtin_bswap64 (a);	/* XXBRD.  */
      81  }
      82  
      83  unsigned long
      84  do_bswap64_vect (unsigned long a)
      85  {
      86    __asm__ (" # %x0" : "+v" (a));	/* XXBRD.  */
      87    return __builtin_bswap64 (a);
      88  }
      89  
      90  /* Make sure XXBR{H,W,D} is not generated by default.  */
      91  /* { dg-final { scan-assembler-times "xxbrd"  3  } } */
      92  /* { dg-final { scan-assembler-times "xxbrh"  1  } } */
      93  /* { dg-final { scan-assembler-times "xxbrw"  1  } } */
      94  /* { dg-final { scan-assembler-times "ldbrx"  1  } } */
      95  /* { dg-final { scan-assembler-times "lhbrx"  1  } } */
      96  /* { dg-final { scan-assembler-times "lwbrx"  1  } } */
      97  /* { dg-final { scan-assembler-times "stdbrx" 1  } } */
      98  /* { dg-final { scan-assembler-times "sthbrx" 1  } } */
      99  /* { dg-final { scan-assembler-times "stwbrx" 1  } } */