Subversion Repositories openrisc

typedef unsigned int u32;

static const u32 deadfish = 0xdeadf155;

static const u32 cfb_tab8_be[] = {

    0x00000000,0x000000ff,0x0000ff00,0x0000ffff,

    0x00ff0000,0x00ff00ff,0x00ffff00,0x00ffffff,

    0xff000000,0xff0000ff,0xff00ff00,0xff00ffff,

    0xffff0000,0xffff00ff,0xffffff00,0xffffffff

};

static const u32 cfb_tab8_le[] = {

    0x00000000,0xff000000,0x00ff0000,0xffff0000,

    0x0000ff00,0xff00ff00,0x00ffff00,0xffffff00,

    0x000000ff,0xff0000ff,0x00ff00ff,0xffff00ff,

    0x0000ffff,0xff00ffff,0x00ffffff,0xffffffff

};

static const u32 cfb_tab16_be[] = {

    0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff

};

static const u32 cfb_tab16_le[] = {

    0x00000000, 0xffff0000, 0x0000ffff, 0xffffffff

};

static const u32 cfb_tab32[] = {

 0x00000000, 0xffffffff

};

const u32 *xxx(int bpp)

{

 const u32 *tab;

if (0) return &deadfish;

 switch (bpp) {

 case 8:

  tab = cfb_tab8_be;

  break;

 case 16:

  tab = cfb_tab16_be;

  break;

 case 32:

 default:

  tab = cfb_tab32;

  break;

 }

 return tab;

}

int main(void)

{

  const u32 *a = xxx(8);

  int b = a[0];

  if (b != cfb_tab8_be[0])

    __builtin_abort ();

  return 0;

}