gcc/testsuite/gcc.c-torture/compile/20071114-1.c

   1 /* PR tree-optimization/34046 */
   2 /* Origin: dcb <dcb314@hotmail.com> */
   3
   4 typedef unsigned char bool8;
   5 typedef unsigned char uint8_t;
   6 typedef unsigned short int uint16_t;
   7 typedef unsigned int uint32_t;
   8 typedef uint8_t uint8;
   9 typedef uint16_t uint16;
  10 typedef uint32_t uint32;
  11
  12 struct SIAPU
  13 {
  14     uint8 *PC;
  15     uint8 *RAM;
  16     uint8 Bit;
  17     uint32 Address;
  18     uint8 *WaitAddress1;
  19     uint8 *WaitAddress2;
  20     uint8 _Carry;
  21 };
  22
  23 struct SAPU
  24 {
  25     bool8 ShowROM;
  26     uint8 OutPorts [4];
  27     uint8 ExtraRAM [64];
  28     uint16 TimerTarget [3];
  29 };
  30
  31 struct SAPU APU;
  32 struct SIAPU IAPU;
  33
  34 void S9xSetAPUControl (uint8 byte);
  35 void S9xSetAPUDSP (uint8 byte);
  36 uint8 S9xGetAPUDSP ();
  37
  38 uint8 S9xAPUGetByte (uint32 Address)
  39 {
  40   Address &= 0xffff;
  41
  42   if (Address <= 0xff && Address >= 0xf0)
  43     {
  44       if (Address >= 0xf4 && Address <= 0xf7)
  45         {
  46           IAPU.WaitAddress2 = IAPU.WaitAddress1;
  47           IAPU.WaitAddress1 = IAPU.PC;
  48           return (IAPU.RAM [Address]);
  49         }
  50       else if (Address == 0xf3)
  51         return (S9xGetAPUDSP ());
  52
  53       if (Address >= 0xfd)
  54         {
  55           IAPU.WaitAddress2 = IAPU.WaitAddress1;
  56           IAPU.WaitAddress1 = IAPU.PC;
  57           uint8 t = IAPU.RAM [Address];
  58           IAPU.RAM [Address] = 0;
  59           return (t);
  60         }
  61
  62       return (IAPU.RAM [Address]);
  63     }
  64  else
  65    return (IAPU.RAM [Address]);
  66 }
  67
  68 void S9xAPUSetByte (uint8 byte, uint32 Address)
  69 {
  70   Address &= 0xffff;
  71
  72   if (Address <= 0xff && Address >= 0xf0)
  73     {
  74       if (Address == 0xf3)
  75         S9xSetAPUDSP (byte);
  76       else if (Address >= 0xf4 && Address <= 0xf7)
  77         APU.OutPorts [Address - 0xf4] = byte;
  78       else if (Address == 0xf1)
  79         S9xSetAPUControl (byte);
  80       else if (Address < 0xfd)
  81         {
  82           IAPU.RAM [Address] = byte;
  83           if (Address >= 0xfa)
  84             {
  85               if (byte == 0)
  86                 APU.TimerTarget [Address - 0xfa] = 0x100;
  87               else
  88                 APU.TimerTarget [Address - 0xfa] = byte;
  89             }
  90         }
  91     }
  92   else
  93     {
  94       if (Address < 0xffc0)
  95         IAPU.RAM [Address] = byte;
  96       else
  97         {
  98           APU.ExtraRAM [Address - 0xffc0] = byte;
  99           if (!APU.ShowROM)
 100             IAPU.RAM [Address] = byte;
 101         }
 102     }
 103 }
 104
 105 void ApuCA ()
 106 {
 107   IAPU.Address = *(uint16 *) (IAPU.PC + 1);
 108   IAPU.Bit = (uint8)(IAPU.Address >> 13);
 109   if ((IAPU._Carry))
 110     S9xAPUSetByte (S9xAPUGetByte (IAPU.Address) | (1 << IAPU.Bit), IAPU.Address);
 111   else
 112     S9xAPUSetByte (S9xAPUGetByte (IAPU.Address) & ~(1 << IAPU.Bit), IAPU.Address);
 113 }