/* Induction variable canonicalization.
- Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2007, 2008, 2010
+ Free Software Foundation, Inc.
This file is part of GCC.
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
-#include "rtl.h"
#include "tm_p.h"
-#include "hard-reg-set.h"
#include "basic-block.h"
-#include "output.h"
-#include "diagnostic.h"
+#include "tree-pretty-print.h"
+#include "gimple-pretty-print.h"
#include "tree-flow.h"
#include "tree-dump.h"
#include "cfgloop.h"
#include "tree-pass.h"
-#include "ggc.h"
#include "tree-chrec.h"
#include "tree-scalar-evolution.h"
#include "params.h"
/* First make fast look if we see constant array inside. */
while (handled_component_p (base))
base = TREE_OPERAND (base, 0);
- if ((DECL_P (base)
- && TREE_STATIC (base)
- && TREE_READONLY (base)
- && (DECL_INITIAL (base)
- || (!DECL_EXTERNAL (base)
- && targetm.binds_local_p (base))))
+ if ((DECL_P (base) == VAR_DECL
+ && const_value_known_p (base))
|| CONSTANT_CLASS_P (base))
{
/* If so, see if we understand all the indices. */
return false;
}
- for (i = 0; VEC_iterate (edge, to_remove, i, e); i++)
+ FOR_EACH_VEC_ELT (edge, to_remove, i, e)
{
bool ok = remove_path (e);
gcc_assert (ok);
struct loop *loop;
bool changed;
enum unroll_level ul;
+ int iteration = 0;
do
{
scev_reset ();
}
}
- while (changed);
+ while (changed
+ && ++iteration <= PARAM_VALUE (PARAM_MAX_UNROLL_ITERATIONS));
return 0;
}