[Bug tree-optimization/26629] tree load PRE does not work on array references
pinskia at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Fri Mar 10 12:59:00 GMT 2006
------- Comment #2 from pinskia at gcc dot gnu dot org 2006-03-10 12:59 -------
(In reply to comment #1)
> FRE handles this just fine, it is PRE which does not.
Let me clarify that comment, For FRE I am talking about code like:
typedef long dtype;
typedef dtype longarray[];
int g (longarray *array1, unsigned long i, dtype j)
{
if (!(*array1)[i])
j++;
if (j < (*array1)[i])
h();
return i;
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26629
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