1  /* { dg-do run } */
       2  /* { dg-options "-O3" } */
       3  
       4  #define PACKED __attribute__(( packed ))
       5  
       6  struct PACKED aostk_point_u8 {
       7    unsigned char x;
       8    unsigned char y;
       9  };
      10  
      11  struct PACKED aostk_size_u8 {
      12    unsigned char width;
      13    unsigned char height;
      14  };
      15  
      16  struct PACKED aostk_glyph {
      17  	unsigned short i;
      18  	struct aostk_size_u8 size;
      19  	char top;
      20  	struct aostk_point_u8 advance;
      21  	unsigned char pitch;
      22  	unsigned char* data;
      23  	char left;
      24  };
      25  
      26  
      27  struct PACKED aostk_font {
      28  	unsigned short numglyphs;
      29  	unsigned char height;
      30  	struct aostk_glyph* glyphs;
      31  };
      32  
      33  struct aostk_font glob_font;
      34  
      35  static struct aostk_glyph* aostk_get_glyph(struct aostk_font* f, unsigned int c) {
      36  	return f->glyphs;
      37  }
      38  
      39  int aostk_font_strwidth(struct aostk_font* font, const char* str) {
      40  	struct aostk_glyph* g = aostk_get_glyph(font, 0);
      41  	return (g != 0);
      42  }
      43  
      44  struct aostk_font*
      45  __attribute__ ((noinline, noclone))
      46  get_some_font (void)
      47  {
      48    return &glob_font;
      49  }
      50  
      51  int main (int argc, char *argv[])
      52  {
      53    return (int) aostk_font_strwidth (get_some_font (), "sth");
      54    
      55  }