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* cfgloop.h (duplicate_loop): Add prototype.
* cfgloopmanip.c (duplicate_loop): Make non-static.
* lambda-code.c (perfect_nestify): Factor out test whether
we can handle this loop into separate function.
Call it.
(can_convert_to_perfect_nest): New function.
(replace_uses_of_x_with_y): Add modify_stmt call.
* tree-loop-linear.c (linear_transform_loops): Call
rewrite_into_loop_closed_ssa and free_df.
2004-09-16 Daniel Berlin <dberlin@dberlin.org>
* lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
loop invariant as well.
(perfect_nestify): new function.
(gcc_loop_to_lambda_loop): New parameters to track lower bounds,
upper bounds, and steps.
Set outerinductionvar properly.
(gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
parameters.
Return NULL if we need a perfect loop and can't make one.
(lambda_loopnest_to_gcc_loopnest): Correct algorithm.
(not_interesting_stmt): New function.
(phi_loop_edge_uses_def): Ditto.
(stmt_uses_phi_result): Ditto.
(stmt_is_bumper_for_loop): Ditto.
(perfect_nest_p): Ditto.
(nestify_update_pending_stmts): Ditto.
(replace_uses_of_x_with_y): Ditto.
(stmt_uses_op): Ditto.
(perfect_nestify): Ditto.
* lambda-mat.c (lambda_matrix_id_p): New function.
* lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
* lambda.h: Update prototypes.
* tree-loop-linear (linear_transform_loop): Use new
perfect_nest_p. Detect and ignore identity transform.
* tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
2004-09-16 Sebastian Pop <pop@cri.ensmp.fr>
* tree-loop-linear.c (gather_interchange_stats): Add more comments.
Gather also strides of accessed data. Pass in the data references
array.
(try_interchange_loops): Add a new heuristic for handling the temporal
locality. Pass in the data references array.
(linear_transform_loops): Pass the data references array to
try_interchange_loops.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87607 138bc75d-0d04-0410-961f-82ee72b054a4
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genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
tree-scalar-evolution.c, tree-ssa-copyrename.c,
tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87302 138bc75d-0d04-0410-961f-82ee72b054a4
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tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
value-prof.c: Fix comment typos. Follow spelling conventions.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87288 138bc75d-0d04-0410-961f-82ee72b054a4
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* Makefile.in (tree-loop-linear.o): Added.
(OBJS-common): Add tree-loop-linear.o
* common.opt: New flag, ftree-loop-linear.
* timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
* tree-flow.h: Add prototype for linear_transform_loops.
* tree-optimize.c: Add linear transform after vectorization.
* tree-pass.h: Add struct pass_linear_transform.
* tree-ssa-loop.c: Add pass_linear_transform.
* tree-loop-linear.c: New file.
* lambda-code.c: gcc_assertify.
(gcc_loop_to_lambda_loop): Handle all exit tests.
Handle case where we have (invariant >= induction var).
(find_induction_var_from_exit_cond): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87190 138bc75d-0d04-0410-961f-82ee72b054a4
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(vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
(vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
(vec_gc_free, vec_heap_free): New.
* vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
(DEF_VEC_P): Add allocator argument. Adjust.
(DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
(DEF_VEC_O): Add allocator argument. Adjust.
(VEC(free)): New.
* tree.h (tree): Define a GC'd vector.
* lamba-code.c (lambda_loop): Likewise.
* value-prof.h (histogram_value): Likewise.
* cp/cp-tree.h (tree_pair_s): Likewise.
* cp/name-lookup.h (cxx_saved_binding, cp_class_binding): Likewise.
* cp/semantics.c (deferred_access): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87179 138bc75d-0d04-0410-961f-82ee72b054a4
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gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
vec.h: Fix comment formatting.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87105 138bc75d-0d04-0410-961f-82ee72b054a4
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* Makefile.in (lambda-code.o): New.
(lambda-trans.o): Ditto.
(TREE_DATA_REF_H): Ditto.
(LAMBDA_H): Ditto.
(lambda-mat.o): Use LAMBDA_H.
(tree-data-ref.o): Ditto.
* lambda-code.c: New file. Lambda code generation algorithm.
* lambda-trans.c: Ditto. Lambda transformation matrix support.
* lambda.h: Add lambda loop structures.
Add lambda loopnest structures.
Add lambda body vector structure.
Add lambda linear expression structures.
Add prototypes for functions in new files.
* lambda-mat.c: Include tree.h
2004-08-26 Daniel Berlin <dberlin@dberlin.org>
Sebastian Pop <pop@cri.ensmp.fr>
* tree-data-ref.h: Include lambda.h
(free_dependence_relation): Declared here.
(free_dependence_relations): Ditto.
(free_data_refs): Ditto.
* tree-data-ref.c (free_dependence_relation): New function.
(free_dependence_relations): Ditto.
(free_data_refs): Ditot.
(analyze_all_data_dependences): Free datarefs and dependence_relations.
(build_classic_dist_vector): Store in the dependence_relations the
information. Each arc in the dependence_relations graph is labelled
with the distance and direction vectors.
(build_classic_dir_vector): Ditto.
(compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
Now computes again the whole dependence graph including read-read
relations.
(compute_data_dependences_for_loop): Now dependence_relations contains
all the data, and thus it doesn't need to initialize the classic_dir
and classic_dist vectors.
(analyze_all_data_dependences): Adjusted for using the new interface of
compute_data_dependences_for_loop. Remove the statistics dump.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86627 138bc75d-0d04-0410-961f-82ee72b054a4
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