URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20040729-1.c] - Blame information for rev 816

Details | Compare with Previous | View Log


/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dce3" } */
 
foo ()
{
  volatile int *p;
  volatile int x;
 
  p = &x;
  *p = 3;
  return *p + 1;
}
 
/* The assignment to 'p' is dead and should be removed.  But the
   compiler was mistakenly thinking that the statement had volatile
   operands.  But 'p' itself is not volatile and taking the address of
   a volatile does not constitute a volatile operand.  */
/* { dg-final { scan-tree-dump-times "&x" 0 "dce3"} } */
/* { dg-final { cleanup-tree-dump "dce3" } } */

Line No.	Rev	Author	Line
1	149	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-O1 -fdump-tree-dce3" } */`
3
4			`foo ()`
5			`{`
6			`volatile int *p;`
7			`volatile int x;`
8
9			`p = &x;`
10			`*p = 3;`
11			`return *p + 1;`
12			`}`
13
14			`/* The assignment to 'p' is dead and should be removed. But the`
15			`compiler was mistakenly thinking that the statement had volatile`
16			`operands. But 'p' itself is not volatile and taking the address of`
17			`a volatile does not constitute a volatile operand. */`
18			`/* { dg-final { scan-tree-dump-times "&x" 0 "dce3"} } */`
19			`/* { dg-final { cleanup-tree-dump "dce3" } } */`

Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20040729-1.c] - Blame information for rev 816