gcc/testsuite/gcc.dg/pr28243.c

   1 /* PR rtl-optimization/28243 */
   2 /* Reported by Mike Frysinger <vapier@gentoo.org> */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target fpic } */
   6 /* { dg-options "-O2 -ftracer -fPIC" } */
   7 /* { dg-skip-if "requires unsupported run-time relocation" { spu-*-* } { "*" } { "" } } */
   8
   9 struct displayfuncs {
  10   void (*init) ();
  11 } funcs;
  12
  13 struct gpsdisplay {
  14   struct displayfuncs *funcs;
  15 };
  16
  17 static void PSMyArc(double cx, double cy, double radx, double rady, double sa,
  18                     double ta)
  19 {
  20   double ea;
  21   double temp;
  22   ea = sa + ta;
  23   while (sa < ea) {
  24     temp = ((sa + 90) / 90) * 90;
  25     PSDoArc(cx, sa, ea < temp ? ea : temp);
  26     sa = temp;
  27   }
  28 }
  29
  30 static void PSDrawElipse()
  31 {
  32   float cx;
  33   float cy;
  34   float radx;
  35   float rady;
  36   if (radx != rady)
  37     PSMyArc(cx, cy, radx, rady, 0, 360);
  38 }
  39
  40 static void PSDrawFillCircle()
  41 {
  42   PSDrawElipse();
  43 }
  44
  45 static struct displayfuncs psfuncs[] = {
  46   PSDrawFillCircle
  47 };
  48
  49 void _GPSDraw_CreateDisplay()
  50 {
  51   struct gpsdisplay *gdisp;
  52   gdisp->funcs = (void *)&psfuncs;
  53 }