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riscv-gcc-1
Commit 8e8c38cd by Richard Henderson Committed by Richard Henderson
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toplev.c (rest_of_compilation): Don't run cross-jump before bb-reorder. 

        * toplev.c (rest_of_compilation): Don't run cross-jump before
        bb-reorder.
	* gcc.dg/20020430-1.c: New.

From-SVN: r52981
parent a125b7bc
Showing with 201 additions and 5 deletions
gcc/ChangeLog
2002-04-30 Richard Henderson <rth@redhat.com>
PR opt/6516
* toplev.c (rest_of_compilation): Don't run cross-jump before
bb-reorder.
2002-04-30 Tom Rix <trix@redhat.com>
* regrename.c (build_def_use, copyprop_hardreg_forward_1): Sanity
......
gcc/testsuite/gcc.dg/20020430-1.c 0 → 100644
/* PR opt/6516 */
/* On x86, something about the structure of this function prevented
cross-jumping from combining the three arms of the switch statement
until the last moment. After which we did not delete dead code,
which left a reference to the deleted ADDR_VEC. */
/* { dg-do compile }
/* { do-options "-O2 -frename-registers -fpic" } */
typedef unsigned long XID;
typedef XID Window;
typedef void Display;
typedef unsigned long Time;
typedef struct {
int type;
unsigned long serial;
int send_event;
Display *display;
Window window;
Window root;
Window subwindow;
Time time;
int x, y;
int x_root, y_root;
unsigned int state;
unsigned int button;
int same_screen;
} XButtonEvent;
typedef struct {
int type;
unsigned long serial;
int send_event;
Display *display;
Window window;
Window root;
Window subwindow;
Time time;
int x, y;
int x_root, y_root;
unsigned int state;
char is_hint;
int same_screen;
} XMotionEvent;
typedef struct {
int type;
unsigned long serial;
int send_event;
Display *display;
Window window;
Window root;
Window subwindow;
Time time;
int x, y;
int x_root, y_root;
int mode;
int detail;
int same_screen;
int focus;
unsigned int state;
} XCrossingEvent;
typedef union _XEvent {
int type;
XButtonEvent xbutton;
XMotionEvent xmotion;
XCrossingEvent xcrossing;
} XEvent;
typedef struct {
int width, height;
Display *display;
} Screen;
typedef struct _CorePart {
Screen *screen;
} CorePart;
typedef struct _WidgetRec {
CorePart core;
} WidgetRec;
typedef struct _WidgetRec *Widget;
typedef struct _SmeRec *SmeObject;
typedef struct _SimpleMenuPart {
SmeObject entry_set;
} SimpleMenuPart;
typedef struct _SimpleMenuRec {
SimpleMenuPart simple_menu;
} SimpleMenuRec;
typedef struct _SimpleMenuRec* SimpleMenuWidget;
typedef short Position;
typedef unsigned short Dimension;
typedef char Boolean;
typedef struct _RectObjPart {
Position x, y;
Dimension width, height;
Dimension border_width;
Boolean managed;
Boolean sensitive;
Boolean ancestor_sensitive;
}RectObjPart;
typedef struct _RectObjRec {
RectObjPart rectangle;
} RectObjRec;
typedef struct _RectObjRec *RectObj;
SmeObject DoGetEventEntry();
SmeObject
GetEventEntry(Widget w, XEvent *event)
{
int x_loc, y_loc, x_root;
SimpleMenuWidget smw = (SimpleMenuWidget)w;
SmeObject entry;
int warp, move;
switch (event->type) {
case 6:
x_loc = event->xmotion.x;
y_loc = event->xmotion.y;
x_root = event->xmotion.x_root;
break;
case 7:
case 8:
x_loc = event->xcrossing.x;
y_loc = event->xcrossing.y;
x_root = event->xcrossing.x_root;
break;
case 4:
case 5:
x_loc = event->xbutton.x;
y_loc = event->xbutton.y;
x_root = event->xbutton.x_root;
break;
default:
XtAppError(XtWidgetToApplicationContext(w),
"Unknown event type in GetEventEntry().");
return (((void *)0));
}
if (x_loc < 0 || x_loc >= (((RectObj)smw)->rectangle.width) ||
y_loc < 0 || y_loc >= (((RectObj)smw)->rectangle.height))
return (((void *)0));
if (x_root == ((((w)->core.screen))->width) - 1 &&
(((RectObj)w)->rectangle.x) + (((RectObj)w)->rectangle.width) + ((((RectObj)w)->rectangle.border_width)) > x_root) {
warp = -8;
if (smw->simple_menu.entry_set) {
entry = DoGetEventEntry(w,
(((RectObj)smw->simple_menu.entry_set)->rectangle.x)
+ (((RectObj)smw->simple_menu.entry_set)->rectangle.width) + 1,
y_loc);
Unhighlight(w, event, ((void *)0), ((void *)0));
if (entry) {
warp = -(int)(((RectObj)entry)->rectangle.width) >> 1;
move = x_loc - (((RectObj)entry)->rectangle.width) - (((RectObj)entry)->rectangle.x) + (((RectObj)w)->rectangle.border_width);
}
else {
warp = 0;
move = ((((w)->core.screen))->width) -
((((RectObj)w)->rectangle.x) + (((RectObj)w)->rectangle.width) + ((((RectObj)w)->rectangle.border_width) << 1));
}
}
else {
warp = 0;
move = ((((w)->core.screen))->width) -
((((RectObj)w)->rectangle.x) + (((RectObj)w)->rectangle.width) + ((((RectObj)w)->rectangle.border_width) << 1));
}
}
else if (x_root == 0 && (((RectObj)w)->rectangle.x) < 0) {
warp = 8;
if (smw->simple_menu.entry_set) {
entry = DoGetEventEntry(w, (((RectObj)smw->simple_menu.entry_set)->rectangle.x) - 1,
y_loc);
Unhighlight(w, event, ((void *)0), ((void *)0));
if (entry) {
warp = (((RectObj)entry)->rectangle.width) >> 1;
move = x_loc - (((RectObj)entry)->rectangle.x);
}
else
move = x_loc + (((RectObj)w)->rectangle.border_width);
}
else
move = x_loc + (((RectObj)w)->rectangle.border_width);
}
else
move = warp = 0;
if (move)
XtMoveWidget(w, (((RectObj)w)->rectangle.x) + move, (((RectObj)w)->rectangle.y));
if (warp)
XWarpPointer((((w)->core.screen)->display), 0L, 0L, 0, 0, 0, 0, warp, 0);
return (DoGetEventEntry(w, x_loc, y_loc));
}
gcc/toplev.c
......@@ -3309,11 +3309,11 @@ rest_of_compilation (decl)
timevar_push (TV_REORDER_BLOCKS);
open_dump_file (DFI_bbro, decl);
/* Last attempt to optimize CFG, as scheduling, peepholing
and insn splitting possibly introduced more crossjumping
oppurtuntities. */
cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_POST_REGSTACK
| (flag_crossjumping ? CLEANUP_CROSSJUMP : 0));
/* Last attempt to optimize CFG, as scheduling, peepholing and insn
splitting possibly introduced more crossjumping oppurtuntities.
Except that we can't actually run crossjumping without running
another DCE pass, which we can't do after reg-stack. */
cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_POST_REGSTACK);
if (flag_reorder_blocks)
{
reorder_basic_blocks ();
......
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