procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

tree-optimize.c (init_tree_optimization_passes): Add pass_record_bounds.

Browse source 
* tree-optimize.c (init_tree_optimization_passes): Add
	pass_record_bounds.
	* tree-pass.h (pass_record_bounds): Declare.
	* tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
	New pass.

From-SVN: r88097
This commit is contained in:
Zdenek Dvorak 2004-09-25 14:53:26 +02:00 • committed by Zdenek Dvorak
parent 2c85539856
commit f3cd574f6b
4 changed files with 39 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
gcc/ChangeLog
View file

@ -1,3 +1,11 @@
2004-09-25 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* tree-optimize.c (init_tree_optimization_passes): Add
pass_record_bounds.
* tree-pass.h (pass_record_bounds): Declare.
* tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
New pass.
2004-09-25 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
PR tree-optimization/17474

1
gcc/tree-optimize.c
View file

@ -393,6 +393,7 @@ init_tree_optimization_passes (void)
NEXT_PASS (pass_lim);
NEXT_PASS (pass_unswitch);
NEXT_PASS (pass_iv_canon);
NEXT_PASS (pass_record_bounds);
NEXT_PASS (pass_if_conversion);
NEXT_PASS (pass_vectorize);
NEXT_PASS (pass_linear_transform);

1
gcc/tree-pass.h
View file

@ -127,6 +127,7 @@ extern struct tree_opt_pass pass_loop_init;
extern struct tree_opt_pass pass_lim;
extern struct tree_opt_pass pass_unswitch;
extern struct tree_opt_pass pass_iv_canon;
extern struct tree_opt_pass pass_record_bounds;
extern struct tree_opt_pass pass_if_conversion;
extern struct tree_opt_pass pass_vectorize;
extern struct tree_opt_pass pass_complete_unroll;

29
gcc/tree-ssa-loop.c
View file

@ -297,6 +297,35 @@ struct tree_opt_pass pass_iv_canon =
0 /* letter */
};
/* Record bounds on numbers of iterations of loops. */
static void
tree_ssa_loop_bounds (void)
{
if (!current_loops)
return;
estimate_numbers_of_iterations (current_loops);
scev_reset ();
}
struct tree_opt_pass pass_record_bounds =
{
"bounds", /* name */
NULL, /* gate */
tree_ssa_loop_bounds, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
0, /* tv_id */
PROP_cfg | PROP_ssa, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
0, /* todo_flags_finish */
0 /* letter */
};
/* Complete unrolling of loops. */
static void