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

Subversion Repositories openrisc

[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-fre-14.c] - Blame information for rev 338

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 298 jeremybenn
/* { dg-do compile } */
2
/* { dg-options "-O -fno-tree-sra -fdump-tree-fre-details" } */
3
 
4
/* Should be optimized, propagating &a into (*p)[i].  */
5
 
6
struct Foo
7
{
8
  void *data;
9
  double size;
10
};
11
void bar(double *);
12
void foo(double (*q)[4])
13
{
14
  struct Foo tmp1;
15
  double a[4];
16
  int i;
17
  tmp1.data = &a;
18
  tmp1.size = 4;
19
  for (i=0; i<4; ++i)
20
    {
21
      double (*p)[4] = tmp1.data;
22
      (*p)[i] = (*q)[i];
23
      /* We want a PHI for the VOP for accessing tmp1.data, so place
24
         this store to tmp1 here.  */
25
      tmp1.size -= 1.0;
26
    }
27
  bar(a);
28
}
29
 
30
/* { dg-final { scan-tree-dump "Inserted .* &a" "fre" } } */
31
/* { dg-final { scan-tree-dump "Replaced tmp1.data" "fre" } } */
32
/* { dg-final { cleanup-tree-dump "fre" } } */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.