gcc/testsuite/gcc.dg/20020430-1.c

   1 /* PR opt/6516 */
   2 /* On x86, something about the structure of this function prevented
   3    cross-jumping from combining the three arms of the switch statement
   4    until the last moment.  After which we did not delete dead code,
   5    which left a reference to the deleted ADDR_VEC.  */
   6
   7 /* { dg-do compile { target fpic } } */
   8 /* { dg-options "-O2 -frename-registers -fpic" } */
   9
  10 typedef unsigned long XID;
  11 typedef XID Window;
  12 typedef void Display;
  13 typedef unsigned long Time;
  14
  15 typedef struct {
  16         int type;
  17         unsigned long serial;
  18         int send_event;
  19         Display *display;
  20         Window window;
  21         Window root;
  22         Window subwindow;
  23         Time time;
  24         int x, y;
  25         int x_root, y_root;
  26         unsigned int state;
  27         unsigned int button;
  28         int same_screen;
  29 } XButtonEvent;
  30 typedef struct {
  31         int type;
  32         unsigned long serial;
  33         int send_event;
  34         Display *display;
  35         Window window;
  36         Window root;
  37         Window subwindow;
  38         Time time;
  39         int x, y;
  40         int x_root, y_root;
  41         unsigned int state;
  42         char is_hint;
  43         int same_screen;
  44 } XMotionEvent;
  45 typedef struct {
  46         int type;
  47         unsigned long serial;
  48         int send_event;
  49         Display *display;
  50         Window window;
  51         Window root;
  52         Window subwindow;
  53         Time time;
  54         int x, y;
  55         int x_root, y_root;
  56         int mode;
  57         int detail;
  58         int same_screen;
  59         int focus;
  60         unsigned int state;
  61 } XCrossingEvent;
  62 typedef union _XEvent {
  63         int type;
  64         XButtonEvent xbutton;
  65         XMotionEvent xmotion;
  66         XCrossingEvent xcrossing;
  67 } XEvent;
  68
  69 typedef struct {
  70         int width, height;
  71         Display *display;
  72 } Screen;
  73 typedef struct _CorePart {
  74     Screen *screen;
  75 } CorePart;
  76 typedef struct _WidgetRec {
  77     CorePart core;
  78 } WidgetRec;
  79 typedef struct _WidgetRec *Widget;
  80
  81 typedef struct _SmeRec *SmeObject;
  82 typedef struct _SimpleMenuPart {
  83     SmeObject entry_set;
  84 } SimpleMenuPart;
  85 typedef struct _SimpleMenuRec {
  86     SimpleMenuPart simple_menu;
  87 } SimpleMenuRec;
  88 typedef struct _SimpleMenuRec* SimpleMenuWidget;
  89
  90 typedef short Position;
  91 typedef unsigned short Dimension;
  92 typedef char Boolean;
  93
  94 typedef struct _RectObjPart {
  95     Position x, y;
  96     Dimension width, height;
  97     Dimension border_width;
  98     Boolean managed;
  99     Boolean sensitive;
 100     Boolean ancestor_sensitive;
 101 }RectObjPart;
 102 typedef struct _RectObjRec {
 103     RectObjPart rectangle;
 104 } RectObjRec;
 105 typedef struct _RectObjRec *RectObj;
 106
 107 SmeObject DoGetEventEntry();
 108
 109 SmeObject
 110 GetEventEntry(Widget w, XEvent *event)
 111 {
 112     int x_loc, y_loc, x_root;
 113     SimpleMenuWidget smw = (SimpleMenuWidget)w;
 114     SmeObject entry;
 115     int warp, move;
 116     switch (event->type) {
 117         case 6:
 118             x_loc = event->xmotion.x;
 119             y_loc = event->xmotion.y;
 120             x_root = event->xmotion.x_root;
 121             break;
 122         case 7:
 123         case 8:
 124             x_loc = event->xcrossing.x;
 125             y_loc = event->xcrossing.y;
 126             x_root = event->xcrossing.x_root;
 127             break;
 128         case 4:
 129         case 5:
 130             x_loc = event->xbutton.x;
 131             y_loc = event->xbutton.y;
 132             x_root = event->xbutton.x_root;
 133             break;
 134         default:
 135             XtAppError(XtWidgetToApplicationContext(w),
 136                        "Unknown event type in GetEventEntry().");
 137             return (((void *)0));
 138     }
 139     if (x_loc < 0 || x_loc >= (((RectObj)smw)->rectangle.width) ||
 140         y_loc < 0 || y_loc >= (((RectObj)smw)->rectangle.height))
 141         return (((void *)0));
 142     if (x_root == ((((w)->core.screen))->width) - 1 &&
 143         (((RectObj)w)->rectangle.x) + (((RectObj)w)->rectangle.width) + ((((RectObj)w)->rectangle.border_width)) > x_root) {
 144         warp = -8;
 145         if (smw->simple_menu.entry_set) {
 146             entry = DoGetEventEntry(w,
 147                                     (((RectObj)smw->simple_menu.entry_set)->rectangle.x)
 148                                     + (((RectObj)smw->simple_menu.entry_set)->rectangle.width) + 1,
 149                                     y_loc);
 150             Unhighlight(w, event, ((void *)0), ((void *)0));
 151             if (entry) {
 152                 warp = -(int)(((RectObj)entry)->rectangle.width) >> 1;
 153                 move = x_loc - (((RectObj)entry)->rectangle.width) - (((RectObj)entry)->rectangle.x) + (((RectObj)w)->rectangle.border_width);
 154             }
 155             else {
 156                 warp = 0;
 157                 move = ((((w)->core.screen))->width) -
 158                        ((((RectObj)w)->rectangle.x) + (((RectObj)w)->rectangle.width) + ((((RectObj)w)->rectangle.border_width) << 1));
 159             }
 160         }
 161         else {
 162             warp = 0;
 163             move = ((((w)->core.screen))->width) -
 164                    ((((RectObj)w)->rectangle.x) + (((RectObj)w)->rectangle.width) + ((((RectObj)w)->rectangle.border_width) << 1));
 165         }
 166     }
 167     else if (x_root == 0 && (((RectObj)w)->rectangle.x) < 0) {
 168         warp = 8;
 169         if (smw->simple_menu.entry_set) {
 170             entry = DoGetEventEntry(w, (((RectObj)smw->simple_menu.entry_set)->rectangle.x) - 1,
 171                                     y_loc);
 172             Unhighlight(w, event, ((void *)0), ((void *)0));
 173             if (entry) {
 174                 warp = (((RectObj)entry)->rectangle.width) >> 1;
 175                 move = x_loc - (((RectObj)entry)->rectangle.x);
 176             }
 177             else
 178                 move = x_loc + (((RectObj)w)->rectangle.border_width);
 179         }
 180         else
 181             move = x_loc + (((RectObj)w)->rectangle.border_width);
 182     }
 183     else
 184         move = warp = 0;
 185     if (move)
 186         XtMoveWidget(w, (((RectObj)w)->rectangle.x) + move, (((RectObj)w)->rectangle.y));
 187     if (warp)
 188         XWarpPointer((((w)->core.screen)->display), 0L, 0L, 0, 0, 0, 0, warp, 0);
 189     return (DoGetEventEntry(w, x_loc, y_loc));
 190 }