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| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2004-09-25 14:53:26 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2004-09-25 12:53:26 +0000 |
| commit | f3cd574f6b2a45b1cd9153636d0ad1aba1cde806 (patch) | |
| tree | cba6592637f7c6bfb3cb621ea30411b61bce6227 /gcc | |
| parent | 2c855398563d3cf8f27a5c1f67860e6838cc3e96 (diff) | |
| download | gcc-f3cd574f6b2a45b1cd9153636d0ad1aba1cde806.zip gcc-f3cd574f6b2a45b1cd9153636d0ad1aba1cde806.tar.gz gcc-f3cd574f6b2a45b1cd9153636d0ad1aba1cde806.tar.bz2 | |
tree-optimize.c (init_tree_optimization_passes): Add pass_record_bounds.
* 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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/tree-optimize.c | 1 | ||||
| -rw-r--r-- | gcc/tree-pass.h | 1 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop.c | 29 |
4 files changed, 39 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 63d2098..f267169 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,13 @@ 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 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0. diff --git a/gcc/tree-optimize.c b/gcc/tree-optimize.c index 3bcc1cd..aa3df9e 100644 --- a/gcc/tree-optimize.c +++ b/gcc/tree-optimize.c @@ -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); diff --git a/gcc/tree-pass.h b/gcc/tree-pass.h index ae19e2d..6250ae6 100644 --- a/gcc/tree-pass.h +++ b/gcc/tree-pass.h @@ -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; diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c index 19f784d..b1d854e 100644 --- a/gcc/tree-ssa-loop.c +++ b/gcc/tree-ssa-loop.c @@ -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 |