gcc/testsuite/gcc.c-torture/execute/20021010-2.c

   1 /* cse.c failure on x86 target.
   2    Contributed by Stuart Hastings 10 Oct 2002 <stuart@apple.com> */
   3 #include <stdlib.h>
   4
   5 typedef signed short SInt16;
   6
   7 typedef struct {
   8     SInt16 minx;
   9     SInt16 maxx;
  10     SInt16 miny;
  11     SInt16 maxy;
  12 } IOGBounds;
  13
  14 int expectedwidth = 50;
  15
  16 unsigned int *global_vramPtr = (unsigned int *)0xa000;
  17
  18 IOGBounds global_bounds = { 100, 150, 100, 150 };
  19 IOGBounds global_saveRect = { 75, 175, 75, 175 };
  20
  21 main()
  22 {
  23   unsigned int *vramPtr;
  24   int width;
  25   IOGBounds saveRect = global_saveRect;
  26   IOGBounds bounds = global_bounds;
  27
  28   if (saveRect.minx < bounds.minx) saveRect.minx = bounds.minx;
  29   if (saveRect.maxx > bounds.maxx) saveRect.maxx = bounds.maxx;
  30
  31   vramPtr = global_vramPtr + (saveRect.miny - bounds.miny) ;
  32   width = saveRect.maxx - saveRect.minx;
  33
  34   if (width != expectedwidth)
  35     abort ();
  36   exit (0);
  37 }