Subversion Repositories openrisc

/* { dg-do compile } */

/* { dg-options "-O3 -ftree-pre" } */

typedef enum

{

  ST_TiemanStyle,

}

BrailleDisplay;

static int pendingCommand;

static int currentModifiers;

typedef struct

{

  int (*updateKeys) (BrailleDisplay * brl, int *keyPressed);

}

ProtocolOperations;

static const ProtocolOperations *protocol;

brl_readCommand (BrailleDisplay * brl)

{

  unsigned long int keys;

  int command;

  int keyPressed;

  unsigned char routingKeys[200];

  int routingKeyCount;

  signed char rightVerticalSensor;

  if (pendingCommand != (-1))

    {

      return command;

    }

  if (!protocol->updateKeys (brl, &keyPressed))

    {

      if (rightVerticalSensor >= 0)

        keys |= 1;

      if ((routingKeyCount == 0) && keys)

        {

          if (currentModifiers)

            {

            doChord:switch (keys);

            }

          else

            {

            doCharacter:

              command = 0X2200;

              if (keys & 0X01UL)

                command |= 0001;

              if (keys & 0X02UL)

                command |= 0002;

              if (keys & 0X04UL)

                command |= 0004;

              if (keys & 0X08UL)

                command |= 0010;

              if (keys & 0X10UL)

                command |= 0020;

              if (keys & 0X20UL)

                command |= 0040;

              if (currentModifiers & (0X0010 | 0X0200))

                command |= 0100;

              if (currentModifiers & 0X0040)

                command |= 0200;

              if (currentModifiers & 0X0100)

                command |= 0X020000;

              if (currentModifiers & 0X0400)

                command |= 0X080000;

              if (currentModifiers & 0X0800)

                command |= 0X040000;

            }

          unsigned char key1 = routingKeys[0];

          if (key1 == 0)

            {

            }

          if (key1 == 1)

            if (keys)

              {

                currentModifiers |= 0X0010;

                goto doCharacter;

              }

        }

    }

  return command;

}