gcc/testsuite/gcc.c-torture/compile/980506-1.c

   1 /* The arrays are too large for the xstormy16 - won't fit in 16 bits. */
   2 /* { dg-xfail-if "The array too big" { "h8300-*-*" } { "-mno-h" "-mn" } { "" } } */
   3 /* { dg-do assemble { xfail xstormy16-*-* m6811-*-* m6812-*-* } } */
   4
   5 unsigned char   TIFFFax2DMode[20][256];
   6 unsigned char   TIFFFax2DNextState[20][256];
   7 unsigned char   TIFFFaxUncompAction[20][256];
   8 unsigned char   TIFFFaxUncompNextState[20][256];
   9 unsigned char   TIFFFax1DAction[230][256];
  10 unsigned char   TIFFFax1DNextState[230][256];
  11
  12 typedef struct tableentry {
  13     unsigned short length;
  14     unsigned short code;
  15     short       runlen;
  16 } tableentry;
  17
  18 extern tableentry TIFFFaxWhiteCodes[];
  19 extern tableentry TIFFFaxBlackCodes[];
  20
  21 static short sp_data, sp_bit;
  22
  23 static unsigned char
  24 fetchByte (inbuf)
  25
  26 unsigned char **inbuf;
  27
  28 {
  29     unsigned char byte = **inbuf;
  30     (*inbuf)++;
  31     return (byte);
  32 }
  33
  34 static int
  35 decode_white_run (inbuf)
  36
  37 unsigned char **inbuf;
  38
  39 {
  40     short state = sp_bit;
  41     short action;
  42     int runlen = 0;
  43
  44     for (;;)
  45     {
  46         if (sp_bit == 0)
  47         {
  48         nextbyte:
  49             sp_data = fetchByte (inbuf);
  50         }
  51
  52         action = TIFFFax1DAction[state][sp_data];
  53         state = TIFFFax1DNextState[state][sp_data];
  54         if (action == 0 )
  55             goto nextbyte;
  56         if (action == 1 )
  57             return (-1 );
  58         if (action == 210 )
  59             return (-3 );
  60         sp_bit = state;
  61         action = (TIFFFaxWhiteCodes[ action - 2  ].runlen) ;
  62         runlen += action;
  63         if (action < 64)
  64             return (runlen);
  65     }
  66 }
  67