1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -ftree-pre" } */
       3  
       4  typedef enum
       5  {
       6    ST_TiemanStyle,
       7  }
       8  BrailleDisplay;
       9  static int pendingCommand;
      10  static int currentModifiers;
      11  typedef struct
      12  {
      13    int (*updateKeys) (BrailleDisplay * brl, int *keyPressed);
      14  }
      15  ProtocolOperations;
      16  static const ProtocolOperations *protocol;
      17  int
      18  brl_readCommand (BrailleDisplay * brl)
      19  {
      20    unsigned long int keys;
      21    int command;
      22    int keyPressed;
      23    unsigned char routingKeys[200];
      24    int routingKeyCount;
      25    signed char rightVerticalSensor;
      26    if (pendingCommand != (-1))
      27      {
      28        return command;
      29      }
      30    if (!protocol->updateKeys (brl, &keyPressed))
      31      {
      32        if (rightVerticalSensor >= 0)
      33          keys |= 1;
      34        if ((routingKeyCount == 0) && keys)
      35          {
      36            if (currentModifiers)
      37              {
      38              doChord:switch (keys);
      39              }
      40            else
      41              {
      42              doCharacter:
      43                command = 0X2200;
      44                if (keys & 0X01UL)
      45                  command |= 0001;
      46                if (keys & 0X02UL)
      47                  command |= 0002;
      48                if (keys & 0X04UL)
      49                  command |= 0004;
      50                if (keys & 0X08UL)
      51                  command |= 0010;
      52                if (keys & 0X10UL)
      53                  command |= 0020;
      54                if (keys & 0X20UL)
      55                  command |= 0040;
      56                if (currentModifiers & (0X0010 | 0X0200))
      57                  command |= 0100;
      58                if (currentModifiers & 0X0040)
      59                  command |= 0200;
      60                if (currentModifiers & 0X0100)
      61                  command |= 0X020000;
      62                if (currentModifiers & 0X0400)
      63                  command |= 0X080000;
      64                if (currentModifiers & 0X0800)
      65                  command |= 0X040000;
      66              }
      67            unsigned char key1 = routingKeys[0];
      68            if (key1 == 0)
      69              {
      70              }
      71            if (key1 == 1)
      72              if (keys)
      73                {
      74                  currentModifiers |= 0X0010;
      75                  goto doCharacter;
      76                }
      77          }
      78      }
      79    return command;
      80  }