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-xfail-if "The array too big" { m6811-*-* m6812-*-* } { "*" } { "" } } /*
   5 /* { dg-skip-if "Array too big" { "avr-*-*" } { "*" } { "" } } */
   6 /* { dg-xfail-if "The array too big" { h8300-*-* } { "-mno-h" "-mn" } { "" } } */
   7
   8 unsigned char   TIFFFax2DMode[20][256];
   9 unsigned char   TIFFFax2DNextState[20][256];
  10 unsigned char   TIFFFaxUncompAction[20][256];
  11 unsigned char   TIFFFaxUncompNextState[20][256];
  12 unsigned char   TIFFFax1DAction[230][256];
  13 unsigned char   TIFFFax1DNextState[230][256];
  14
  15 typedef struct tableentry {
  16     unsigned short length;
  17     unsigned short code;
  18     short       runlen;
  19 } tableentry;
  20
  21 extern tableentry TIFFFaxWhiteCodes[];
  22 extern tableentry TIFFFaxBlackCodes[];
  23
  24 static short sp_data, sp_bit;
  25
  26 static unsigned char
  27 fetchByte (inbuf)
  28
  29 unsigned char **inbuf;
  30
  31 {
  32     unsigned char byte = **inbuf;
  33     (*inbuf)++;
  34     return (byte);
  35 }
  36
  37 static int
  38 decode_white_run (inbuf)
  39
  40 unsigned char **inbuf;
  41
  42 {
  43     short state = sp_bit;
  44     short action;
  45     int runlen = 0;
  46
  47     for (;;)
  48     {
  49         if (sp_bit == 0)
  50         {
  51         nextbyte:
  52             sp_data = fetchByte (inbuf);
  53         }
  54
  55         action = TIFFFax1DAction[state][sp_data];
  56         state = TIFFFax1DNextState[state][sp_data];
  57         if (action == 0 )
  58             goto nextbyte;
  59         if (action == 1 )
  60             return (-1 );
  61         if (action == 210 )
  62             return (-3 );
  63         sp_bit = state;
  64         action = (TIFFFaxWhiteCodes[ action - 2  ].runlen) ;
  65         runlen += action;
  66         if (action < 64)
  67             return (runlen);
  68     }
  69 }
  70