URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20030907-1.c] - Blame information for rev 300

Go to most recent revision | Details | Compare with Previous | View Log


/* PR optimization/12198
 
   This was a miscompilation of a switch expressions because
   the "Case Ranges" extension wasn't handled in tree-cfg.c.  */
 
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-optimized" } */
 
extern void abort (void);
extern void exit (int);
 
int main()
{
   int i;
   i = 2;
   switch (i)
      {
      case 1 ... 5:
         goto L1;
      default:
         abort ();
         goto L1;
      }
   L1:
   exit(0);
}
 
/* The abort() call clearly is unreachable.  */
/* { dg-final { scan-tree-dump-times "abort" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* PR optimization/12198`
2
3			`This was a miscompilation of a switch expressions because`
4			`the "Case Ranges" extension wasn't handled in tree-cfg.c. */`
5
6			`/* { dg-do compile } */`
7			`/* { dg-options "-O -fdump-tree-optimized" } */`
8
9			`extern void abort (void);`
10			`extern void exit (int);`
11
12			`int main()`
13			`{`
14			`int i;`
15			`i = 2;`
16			`switch (i)`
17			`{`
18			`case 1 ... 5:`
19			`goto L1;`
20			`default:`
21			`abort ();`
22			`goto L1;`
23			`}`
24			`L1:`
25			`exit(0);`
26			`}`
27
28			`/* The abort() call clearly is unreachable. */`
29			`/* { dg-final { scan-tree-dump-times "abort" 0 "optimized"} } */`
30			`/* { dg-final { cleanup-tree-dump "optimized" } } */`

Browse

Tools

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20030907-1.c] - Blame information for rev 300