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tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not static anymore.

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2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
	static anymore.  Instantiate the symbols that may have been introduced
	by chrec_apply.
	* tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
	Declared.

From-SVN: r150289
This commit is contained in:
Sebastian Pop 2009-07-31 02:28:50 +00:00 committed by Sebastian Pop
parent 778069251c
commit 42e6eec568
3 changed files with 17 additions and 6 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2009-07-30 Sebastian Pop <sebastian.pop@amd.com>
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
static anymore. Instantiate the symbols that may have been introduced
by chrec_apply.
* tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
Declared.
2009-07-30 DJ Delorie <dj@redhat.com>
* config/mep/mep.c (mep_asm_init_sections): Add section flags and

7
gcc/tree-scalar-evolution.c
View File

@ -466,7 +466,7 @@ loop_phi_node_p (gimple phi)
EVOLUTION_FN = {i_0, +, 2}_1.
*/
static tree
tree
compute_overall_effect_of_inner_loop (struct loop *loop, tree evolution_fn)
{
bool val = false;
@ -492,7 +492,10 @@ compute_overall_effect_of_inner_loop (struct loop *loop, tree evolution_fn)
/* evolution_fn is the evolution function in LOOP. Get
its value in the nb_iter-th iteration. */
res = chrec_apply (inner_loop->num, evolution_fn, nb_iter);
if (chrec_contains_symbols_defined_in_loop (res, loop->num))
res = instantiate_parameters (loop, res);
/* Continue the computation until ending on a parent of LOOP. */
return compute_overall_effect_of_inner_loop (loop, res);
}

8
gcc/tree-scalar-evolution.h
View File

@ -1,5 +1,5 @@
/* Scalar evolution detector.
Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Sebastian Pop <s.pop@laposte.net>
This file is part of GCC.
@ -33,10 +33,10 @@ extern tree instantiate_scev (basic_block, struct loop *, tree);
extern tree resolve_mixers (struct loop *, tree);
extern void gather_stats_on_scev_database (void);
extern void scev_analysis (void);
unsigned int scev_const_prop (void);
bool expression_expensive_p (tree);
extern unsigned int scev_const_prop (void);
extern bool expression_expensive_p (tree);
extern bool simple_iv (struct loop *, struct loop *, tree, affine_iv *, bool);
extern tree compute_overall_effect_of_inner_loop (struct loop *, tree);
/* Returns the basic block preceding LOOP or ENTRY_BLOCK_PTR when the
loop is function's body. */