1  /* { dg-do compile } */
       2  /* { dg-require-effective-target powerpc_prefixed_addr } */
       3  /* { dg-require-effective-target lp64 } */
       4  /* { dg-options "-O2 -mdejagnu-cpu=power10" } */
       5  
       6  /* Tests whether we generate a prefixed load/store operation for addresses that
       7     don't meet DS/DQ offset constraints.  64-bit is needed for testing the use
       8     of the PLWA instruciton.  */
       9  
      10  struct packed_struct
      11  {
      12    long long pad;			/* offset  0 bytes.  */
      13    unsigned char pad_uc;			/* offset  8 bytes.  */
      14    unsigned char uc;			/* offset  9 bytes.  */
      15  
      16    unsigned char pad_sc[sizeof (long long) - sizeof (unsigned char)];
      17    unsigned char sc;			/* offset  17 bytes.  */
      18  
      19    unsigned char pad_us[sizeof (long long) - sizeof (signed char)];
      20    unsigned short us;			/* offset  25 bytes.  */
      21  
      22    unsigned char pad_ss[sizeof (long long) - sizeof (unsigned short)];
      23    short ss;				/* offset 33 bytes.  */
      24  
      25    unsigned char pad_ui[sizeof (long long) - sizeof (short)];
      26    unsigned int ui;			/* offset 41 bytes.  */
      27  
      28    unsigned char pad_si[sizeof (long long) - sizeof (unsigned int)];
      29    unsigned int si;			/* offset 49 bytes.  */
      30  
      31    unsigned char pad_f[sizeof (long long) - sizeof (int)];
      32    float f;				/* offset 57 bytes.  */
      33  
      34    unsigned char pad_d[sizeof (long long) - sizeof (float)];
      35    double d;				/* offset 65 bytes.  */
      36    __float128 f128;			/* offset 73 bytes.  */
      37  } __attribute__((packed));
      38  
      39  unsigned char
      40  load_uc (struct packed_struct *p)
      41  {
      42    return p->uc;				/* LBZ 3,9(3).  */
      43  }
      44  
      45  signed char
      46  load_sc (struct packed_struct *p)
      47  {
      48    return p->sc;				/* LBZ 3,17(3) + EXTSB 3,3.  */
      49  }
      50  
      51  unsigned short
      52  load_us (struct packed_struct *p)
      53  {
      54    return p->us;				/* LHZ 3,25(3).  */
      55  }
      56  
      57  short
      58  load_ss (struct packed_struct *p)
      59  {
      60    return p->ss;				/* LHA 3,33(3).  */
      61  }
      62  
      63  unsigned int
      64  load_ui (struct packed_struct *p)
      65  {
      66    return p->ui;				/* LWZ 3,41(3).  */
      67  }
      68  
      69  int
      70  load_si (struct packed_struct *p)
      71  {
      72    return p->si;				/* PLWA 3,49(3).  */
      73  }
      74  
      75  float
      76  load_float (struct packed_struct *p)
      77  {
      78    return p->f;				/* LFS 1,57(3).  */
      79  }
      80  
      81  double
      82  load_double (struct packed_struct *p)
      83  {
      84    return p->d;				/* LFD 1,65(3).  */
      85  }
      86  
      87  __float128
      88  load_float128 (struct packed_struct *p)
      89  {
      90    return p->f128;			/* PLXV 34,73(3).  */
      91  }
      92  
      93  void
      94  store_uc (struct packed_struct *p, unsigned char uc)
      95  {
      96    p->uc = uc;				/* STB 4,9(3).  */
      97  }
      98  
      99  void
     100  store_sc (struct packed_struct *p, signed char sc)
     101  {
     102    p->sc = sc;				/* STB 4,17(3).  */
     103  }
     104  
     105  void
     106  store_us (struct packed_struct *p, unsigned short us)
     107  {
     108    p->us = us;				/* STH 4,25(3).  */
     109  }
     110  
     111  void
     112  store_ss (struct packed_struct *p, signed short ss)
     113  {
     114    p->ss = ss;				/* STH 4,33(3).  */
     115  }
     116  
     117  void
     118  store_ui (struct packed_struct *p, unsigned int ui)
     119  {
     120    p->ui = ui;				/* STW 4,41(3).  */
     121  }
     122  
     123  void
     124  store_si (struct packed_struct *p, signed int si)
     125  {
     126    p->si = si;				/* STW 4,49(3).  */
     127  }
     128  
     129  void
     130  store_float (struct packed_struct *p, float f)
     131  {
     132    p->f = f;				/* STFS 1,57(3).  */
     133  }
     134  
     135  void
     136  store_double (struct packed_struct *p, double d)
     137  {
     138    p->d = d;				/* STFD 1,65(3).  */
     139  }
     140  
     141  void
     142  store_float128 (struct packed_struct *p, __float128 f128)
     143  {
     144    p->f128 = f128;			/* PSTXV 34,1(3).  */
     145  }
     146  
     147  /* { dg-final { scan-assembler-times {\mextsb\M} 1 } } */
     148  /* { dg-final { scan-assembler-times {\mlbz\M}   2 } } */
     149  /* { dg-final { scan-assembler-times {\mlfd\M}   1 } } */
     150  /* { dg-final { scan-assembler-times {\mlfs\M}   1 } } */
     151  /* { dg-final { scan-assembler-times {\mlha\M}   1 } } */
     152  /* { dg-final { scan-assembler-times {\mlhz\M}   1 } } */
     153  /* { dg-final { scan-assembler-times {\mlwz\M}   1 } } */
     154  /* { dg-final { scan-assembler-times {\mplwa\M}  1 } } */
     155  /* { dg-final { scan-assembler-times {\mplxv\M}  1 } } */
     156  /* { dg-final { scan-assembler-times {\mpstxv\M} 1 } } */
     157  /* { dg-final { scan-assembler-times {\mstb\M}   2 } } */
     158  /* { dg-final { scan-assembler-times {\mstfd\M}  1 } } */
     159  /* { dg-final { scan-assembler-times {\mstfs\M}  1 } } */
     160  /* { dg-final { scan-assembler-times {\msth\M}   2 } } */
     161  /* { dg-final { scan-assembler-times {\mstw\M}   2 } } */