| commit | b091dc59bfbdb8a9414f2e64f95b1284f991acf5 | |
| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 10 Feb 2005 00:32:47 +0000 (10 00:32 +0000) | ||
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 10 Feb 2005 00:32:47 +0000 (10 00:32 +0000) | ||
| tree | 97fb019298ce16faec345a7102ee459f0b806cce | treesnapshot (tar.gz zip) |
| parent | 65b78b4ffced866cff85b63c222943c746c69c9e | commitdiff |
PR tree-optimization/18687
* tree-flow.h (find_loop_niter): Declare.
* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
Try using scev even for loops with more than one exit.
* tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
(struct ivopts_data): Added niters field.
(struct nfe_cache_elt): New.
(nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
functions.
(tree_ssa_iv_optimize_init): Initialize niters cache.
(determine_number_of_iterations): Removed.
(find_induction_variables): Do not call determine_number_of_iterations.
Access niters for single exit through niter_for_single_dom_exit.
(add_iv_outer_candidates): Access niters for single exit through
niter_for_single_dom_exit.
(may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
number_of_iterations_cond.
(iv_period): New function.
(determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
(may_replace_final_value): Take data argument. Use
niter_for_single_dom_exit.
(determine_use_iv_cost_outer): Pass data to may_replace_final_value.
(rewrite_use_compare): Pass data to may_eliminate_iv.
(rewrite_use_outer): Pass data to may_replace_final_value.
(free_loop_data): Clean up the niters cache.
(tree_ssa_iv_optimize_finalize): Free the niters cache.
(tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
* tree-ssa-loop-niter.c (find_loop_niter): New function.
(find_loop_niter_by_eval): Use tree_int_cst_lt.
(num_ending_zeros): Moved to tree.c.
* tree.h (num_ending_zeros): Declare.
* tree.c (num_ending_zeros): Moved from tree.c.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94787 138bc75d-0d04-0410-961f-82ee72b054a4
* tree-flow.h (find_loop_niter): Declare.
* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
Try using scev even for loops with more than one exit.
* tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
(struct ivopts_data): Added niters field.
(struct nfe_cache_elt): New.
(nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
functions.
(tree_ssa_iv_optimize_init): Initialize niters cache.
(determine_number_of_iterations): Removed.
(find_induction_variables): Do not call determine_number_of_iterations.
Access niters for single exit through niter_for_single_dom_exit.
(add_iv_outer_candidates): Access niters for single exit through
niter_for_single_dom_exit.
(may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
number_of_iterations_cond.
(iv_period): New function.
(determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
(may_replace_final_value): Take data argument. Use
niter_for_single_dom_exit.
(determine_use_iv_cost_outer): Pass data to may_replace_final_value.
(rewrite_use_compare): Pass data to may_eliminate_iv.
(rewrite_use_outer): Pass data to may_replace_final_value.
(free_loop_data): Clean up the niters cache.
(tree_ssa_iv_optimize_finalize): Free the niters cache.
(tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
* tree-ssa-loop-niter.c (find_loop_niter): New function.
(find_loop_niter_by_eval): Use tree_int_cst_lt.
(num_ending_zeros): Moved to tree.c.
* tree.h (num_ending_zeros): Declare.
* tree.c (num_ending_zeros): Moved from tree.c.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94787 138bc75d-0d04-0410-961f-82ee72b054a4