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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-fre-10.c] - Diff between revs 298 and 338

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Rev 298 Rev 338
/* { dg-do compile } */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre-stats" } */
/* { dg-options "-O2 -fdump-tree-pre-stats" } */
 
 
union loc {  unsigned reg; signed offset; };
union loc {  unsigned reg; signed offset; };
void __frame_state_for (volatile char *state_in, int x)
void __frame_state_for (volatile char *state_in, int x)
{
{
  /* We should move all the loads out of this loop. Right now, we only
  /* We should move all the loads out of this loop. Right now, we only
     move one.  It takes two insertions because we insert a cast.  */
     move one.  It takes two insertions because we insert a cast.  */
    union loc fs;
    union loc fs;
    int reg;
    int reg;
    for (;;)     {
    for (;;)     {
        switch (x)  {
        switch (x)  {
            case 0:
            case 0:
                *state_in = fs.reg;
                *state_in = fs.reg;
            case 1:
            case 1:
                *state_in = fs.offset;
                *state_in = fs.offset;
        }
        }
    }
    }
}
}
 
 
/* This is a weird testcase.  It should need PPRE to hoist the loop
/* This is a weird testcase.  It should need PPRE to hoist the loop
   invariants and the volatileness of state_in prevents DSE of the
   invariants and the volatileness of state_in prevents DSE of the
   first store.  Thus, this is XFAILed.  */
   first store.  Thus, this is XFAILed.  */
 
 
/* { dg-final { scan-tree-dump "Insertions: 2" "pre" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump "Insertions: 2" "pre" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "pre" } } */
/* { dg-final { cleanup-tree-dump "pre" } } */
 
 

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