sdcc/support/regression/tests/gcc-torture-execute-20080719-1.c

   1 /*
   2    20080117-1.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 #include <stdint.h>
  12
  13 typedef uint32_t u32;
  14
  15 static const u32 deadfish = 0xdeadf155;
  16
  17 static const u32 cfb_tab8_be[] = {
  18     0x00000000,0x000000ff,0x0000ff00,0x0000ffff,
  19     0x00ff0000,0x00ff00ff,0x00ffff00,0x00ffffff,
  20     0xff000000,0xff0000ff,0xff00ff00,0xff00ffff,
  21     0xffff0000,0xffff00ff,0xffffff00,0xffffffff
  22 };
  23
  24 static const u32 cfb_tab8_le[] = {
  25     0x00000000,0xff000000,0x00ff0000,0xffff0000,
  26     0x0000ff00,0xff00ff00,0x00ffff00,0xffffff00,
  27     0x000000ff,0xff0000ff,0x00ff00ff,0xffff00ff,
  28     0x0000ffff,0xff00ffff,0x00ffffff,0xffffffff
  29 };
  30
  31 static const u32 cfb_tab16_be[] = {
  32     0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff
  33 };
  34
  35 static const u32 cfb_tab16_le[] = {
  36     0x00000000, 0xffff0000, 0x0000ffff, 0xffffffff
  37 };
  38
  39 static const u32 cfb_tab32[] = {
  40  0x00000000, 0xffffffff
  41 };
  42
  43
  44
  45
  46
  47
  48 const u32 *xxx(int bpp)
  49 {
  50  const u32 *tab;
  51
  52 if (0) return &deadfish;
  53
  54  switch (bpp) {
  55  case 8:
  56   tab = cfb_tab8_be;
  57   break;
  58  case 16:
  59   tab = cfb_tab16_be;
  60   break;
  61  case 32:
  62  default:
  63   tab = cfb_tab32;
  64   break;
  65  }
  66
  67  return tab;
  68 }
  69
  70 void
  71 testTortureExecute (void)
  72 {
  73   const u32 *a = xxx(8);
  74   int32_t b = a[0];
  75   if (b != cfb_tab8_be[0])
  76     ASSERT (0);
  77   return;
  78 }
  79