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-do assemble } */
   3 /* { dg-require-effective-target size32plus } */
   4 /* { dg-skip-if "Array too big" { "avr-*-*" } } */
   5 /* { dg-xfail-if "The array too big" { h8300-*-* } { "-mno-h" "-mn" } { "" } } */
   6
   7 unsigned char   TIFFFax2DMode[20][256];
   8 unsigned char   TIFFFax2DNextState[20][256];
   9 unsigned char   TIFFFaxUncompAction[20][256];
  10 unsigned char   TIFFFaxUncompNextState[20][256];
  11 unsigned char   TIFFFax1DAction[230][256];
  12 unsigned char   TIFFFax1DNextState[230][256];
  13
  14 typedef struct tableentry {
  15     unsigned short length;
  16     unsigned short code;
  17     short       runlen;
  18 } tableentry;
  19
  20 extern tableentry TIFFFaxWhiteCodes[];
  21 extern tableentry TIFFFaxBlackCodes[];
  22
  23 static short sp_data, sp_bit;
  24
  25 static unsigned char
  26 fetchByte (inbuf)
  27
  28 unsigned char **inbuf;
  29
  30 {
  31     unsigned char byte = **inbuf;
  32     (*inbuf)++;
  33     return (byte);
  34 }
  35
  36 static int
  37 decode_white_run (inbuf)
  38
  39 unsigned char **inbuf;
  40
  41 {
  42     short state = sp_bit;
  43     short action;
  44     int runlen = 0;
  45
  46     for (;;)
  47     {
  48         if (sp_bit == 0)
  49         {
  50         nextbyte:
  51             sp_data = fetchByte (inbuf);
  52         }
  53
  54         action = TIFFFax1DAction[state][sp_data];
  55         state = TIFFFax1DNextState[state][sp_data];
  56         if (action == 0 )
  57             goto nextbyte;
  58         if (action == 1 )
  59             return (-1 );
  60         if (action == 210 )
  61             return (-3 );
  62         sp_bit = state;
  63         action = (TIFFFaxWhiteCodes[ action - 2  ].runlen) ;
  64         runlen += action;
  65         if (action < 64)
  66             return (runlen);
  67     }
  68 }
  69