In libobjc/: 2010-12-21 Nicola Pero <nicola.pero@meta-innovation.com>
[official-gcc.git] / gcc / ChangeLog.graphite
blobe6e9ff922a26226a9d5539a8bffc6e89c2452bfb
1 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
3         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
4         unused warning.
5         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
7 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
9         * graphite-sese-to-poly.c (analyze_drs): Removed.
10         (build_scop_drs): Do not call analyze_drs.
11         (analyze_drs_in_stmts): New.
12         (insert_stmts): New.
13         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
14         (insert_out_of_ssa_copy_on_edge): Same.
15         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
16         (rewrite_phi_out_of_ssa): Same.
17         (rewrite_cross_bb_scalar_dependence): Same.
18         (split_reduction_stmt): Move data references in the new basic blocks.
19         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
21 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
23         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
25 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
27         PR middle-end/45297
28         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
29         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
30         * graphite-poly.h (new_poly_bb): Update declaration.
31         (gbb_from_bb): Moved here...
32         (pbb_from_bb): New.
33         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
34         Removed.
35         (graphite_stmt_p): Removed.
36         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
37         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
38         new_poly_bb.
39         (build_scop_bbs_1): Do not pass in sbitmap reductions.
40         (build_scop_bbs): Same.
41         (gbb_from_bb): ... from here.
42         (add_conditions_to_constraints): Moved up.
43         (analyze_drs): New.
44         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
45         not contain data references.
46         (new_pbb_from_pbb): New.
47         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
48         block is split.
49         (rewrite_close_phi_out_of_ssa): Update call to
50         insert_out_of_ssa_copy_on_edge.
51         (rewrite_reductions_out_of_ssa): Now static.
52         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
53         (split_pbb): New.
54         (split_reduction_stmt): Call split_pbb.
55         (translate_scalar_reduction_to_array): Pass in the scop, do not
56         pass in the sbitmap reductions.
57         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
58         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
59         (rewrite_commutative_reductions_out_of_ssa): Same.
60         (build_poly_scop): Call build_scop_bbs,
61         rewrite_commutative_reductions_out_of_ssa,
62         rewrite_reductions_out_of_ssa, and
63         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
64         before scop_to_lst.
65         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
66         Removed declaration.
67         (rewrite_reductions_out_of_ssa): Same.
68         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
69         (build_scop_bbs): Same.
70         * graphite.c (graphite_transform_loops): Do not initialize reductions.
71         Do not call build_scop_bbs,
72         rewrite_commutative_reductions_out_of_ssa,
73         rewrite_reductions_out_of_ssa, and
74         rewrite_cross_bb_scalar_deps_out_of_ssa.
75         * sese.h (struct gimple_bb): Add field pbb.
76         (GBB_PBB): New.
78         * gcc.dg/graphite/pr45297.c: New.
80 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
82         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
83         New.
84         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
85         handle_scalar_deps_crossing_scop_limits.
86         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
87         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
89 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
91         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
92         when replacing a constant in an ADDR_EXPR.
94 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
96         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
97         for the stride.
98         (lst_do_strip_mine): Same.
99         (scop_do_strip_mine): Same.
100         * graphite-poly.c (apply_poly_transforms): Update call to
101         scop_do_strip_mine.
102         * graphite-poly.h (scop_do_strip_mine): Update declaration.
104 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
106         PR middle-end/45758
107         * graphite.c (graphite_initialize): Call scev_reset.
109 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
111         * sese.h (scev_analyzable_p): Return false for real or floating
112         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
114 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
116         PR middle-end/45758
117         * gfortran.dg/graphite/pr45758.f90: New.
119 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
121         * graphite-scop-detection.c (is_scop_p): Free bblist.
123 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
125         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
126         and ps.
127         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
128         domain.
129         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
130         Do not allocate ub_expr, it is passed in initialized.
132 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
134         * common.opt (fgraphite-dump-cloog): New flag.
135         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
136         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
137         (build_cloog_prog): Dump CLooG input file when
138         flag_graphite_dump_cloog is set.
139         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
141 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
143         Revert previous patch "New flag: -fgraphite-dump-cloog."
145 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
147         * common.opt (fgraphite-dump-cloog): New flag.
148         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
149         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
150         (build_cloog_prog): Dump CLooG input file when
151         flag_graphite_dump_cloog is set.
153 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
155         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
156         verify_dominators for CDI_POST_DOMINATORS.
157         * sese.h: Remove comment about CDI_POST_DOMINATORS.
158         (recompute_all_dominators): Remove call to free_dominance_info
159         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
160         for CDI_POST_DOMINATORS.
162 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
164         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
165         over pbb_dim_iter_domain.
167 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
169         * graphite-flattening.c: Fix comments.
171 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
173         * Makefile.in (OBJS-common): Add graphite-flattening.o.
174         (graphite-flattening.o): New rule.
175         * common.opt (floop-flatten): New flag.
176         * doc/invoke.texi (-floop-flatten): Documented.
177         * graphite-flattening.c: New.
178         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
179         * graphite-poly.h (flatten_all_loops): Declared.
180         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
181         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
182         is set, also set flag_graphite.
184 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
186         * graphite-poly.c (cloog_checksum): New.
187         * graphite-poly.h (cloog_checksum): Declared.
189 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
191         * graphite-poly.c (pbb_number_of_iterations): Removed.
192         (pbb_number_of_iterations_at_time): Correctly compute the number
193         of iterations in the transformed loop.
194         * graphite-poly.h (pbb_number_of_iterations): Removed.
196 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
198         * graphite-poly.h (lst_update_scattering_seq): Removed.
199         (lst_update_scattering): Correctly handle outermost loop dewey
200         renumbering.
202 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
204         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
205         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
206         * graphite-poly.h (lst_niter_for_loop): New.
208 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
210         * graphite-poly.c (apply_poly_transforms): Do not abort when the
211         transform read from disk is not legal.  Call fatal_error instead.
213 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
215         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
216         (print_scop_header): Removed.  Inlined in the only call place...
217         (print_scop): ... here.
219 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
221         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
223 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
225         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
226         (is_valid_stmt_p): Add data reference and operation-specific checks.
227         (is_valid_bb_p): Change structure, add loop validity check.
228         (is_scop_p): Move the TODO list
229         (find_scops_new): New.
230         (build_scops_new): Move part of functionality to find_scops_new and
231         build_scops.  Add necessary steps for successful SCoP construction.
232         (build_scops): Compute SCoP sets for both detection algorithms, choose
233         the resulting one depending on static condition.
235 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
237         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
239 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
241         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
242         (dot_deps_stmt): Same.
243         * graphite-poly.c (dot_lst): Same.
245 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
247         * graphite-blocking.c (scop_do_strip_mine): Do not call
248         graphite_legal_transform.
249         (scop_do_block): Same.
251 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
253         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
254         description.
256 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
258         PR middle-end/45230
259         * gcc.dg/graphite/id-pr45230.c: New.
261 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
263         * tree-scalar-evolution.c (instantiate_array_ref): New.
264         (instantiate_scev_r): Also handle ARRAY_REFs.
266 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
268         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
269         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
270         RESULT_DECL, and FIELD_DECL.  Return false for an
271         SSA_NAME_IS_DEFAULT_DEF.
272         (compute_scalar_evolution_in_loop): Do not further analyze the
273         scalar evolution when no_evolution_in_loop_p returns true.
275 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
277         * tree-chrec.h (evolution_function_is_affine_p): Do not check
278         whether CHREC_LEFT is invariant.  A function is affine when
279         CHREC_RIGHT is invariant.
281 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
283         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
284         is_gimple_reg.
285         (rewrite_degenerate_phi): Same.
286         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
288 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
290         * graphite-scop-detection.c (graphite_can_represent_scev,
291         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
292         graphite_can_represent_loop): Remove outermost_loop.
294 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
296         PR middle-end/45229
297         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
298         handle GIMPLE_CALLs with no LHS.
300 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
301             Sebastian Pop  <sebastian.pop@amd.com>
303         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
304         Call remove-build-file to clean up the generated *.graphite files.
306 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
308         * doc/invoke.texi (debugging options): Update documentation.
309         (-floop-interchange): Same.
310         (-flopp-strip-mine): Same.
311         (-floop-block): Same.
312         (-fgraphite-read): Add documentation.
313         (-fgraphite-write): Same.
315 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
317         * toplev.c (process_options): Disable graphite loop optimization
318         options when -fgraphite-read flag is used.
320 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
322         * graphite-poly.c (init_graphite_out_file): New.
323         (init_graphite_in_file): New.
324         (apply_poly_transforms): Updated to enable reading and writing of
325         multiple scop files.
326         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
328 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
330         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
331         redundant checks.
333 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
335         * graphite-clast-to-gimple.c (precision_for_value): Adjust
336         computation of precision by 1.
338 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
340         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
341         (openscop_read_polyhedron_matrix): New.
342         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
343         (openscop_read_N_int): Same.
344         * graphite-poly.c (openscop_read_N_int): New.
345         (openscop_read_one_int): New.
346         (openscop_read_N_string): New.
347         (openscop_read_one_string): New.
348         (openscop_read_powerset_matrix): New.
349         (graphite_read_transforms): Remove.
350         (graphite_read_scatt): New.
351         (graphite_read_scop_file): New.
352         (apply_poly_transforms): Updated to call graphite_read_scop_file.
354 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
356         * graphite-poly.c: Change include order.
358 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
360         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
361         (cloog_matrix_nrows): New.
363 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
365         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
366         from matrix lines.
367         * graphite-poly.c (openscop_print_scattering_function_1): Same.
368         (print_scattering_function_1): Same.
369         (openscop_print_pbb_domain): Same.
370         (openscop_print_scop_context): Same.
371         (print_scop_context): Same.
373 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
375         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
376         (openscop_print_pdr_polyhedron): Print pph.
378 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
380         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
381         * gfortran.dg/graphite/graphite.exp: Same.
382         * gcc.dg/graphite/vect-pr43423.c: New.
384 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
386         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
387         priority signed types.
389 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
391         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
392         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
394 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
396         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
397         (openscop_print_polyhedron_matrix): New.
398         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
399         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
400         (openscop_print_pdr_powerset): New.
401         (openscop_print_powerset_matrix): New.
402         (openscop_print_scattering_function_1): New.
403         (print_scattering_function): Add support for scattering names and
404         OpenScop format.
405         (graphite_write_transforms): Remove.
406         (apply_poly_transforms): Updated to call print_scop.
407         (print_pdr_access_layout): Updated to support OpenScop format.
408         (print_pdr): Same.
409         (openscop_print_pbb_domain): New.
410         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
411         not provided.
412         (print_pbb): Updated to call the new print_pbb_body.
413         (openscop_print_scop_context): New.
414         (print_scop_header): New.
415         (print_scop): Updated to call print_scop_header.
416         * graphite-poly.h: Document OpenScop format.
418 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
420         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
421         the case removed in the previous patch, when the only phi argument
422         is defined in the same loop as the phi node itself.  Handle it
423         separately from the invariant case by both propagating it outside
424         the region and replacing the phi node with an assign.
426 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
428         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
429         constant phi nodes with one argument are is_gimple_min_invariant
430         and SSA_NAME_IS_DEFAULT_DEF.
432         * gfortran.dg/graphite/id-22.f: New.
434 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
436         * graphite.c (graphite_initialize): Do not initialize
437         CLooG and initialize the Parma Polyhedra Library
438         manually when using CLOOG_ORG.
439         (graphite_finalize): Do not finalize CLooG and finalize
440         the Parma Polyhedra Library manually when using CLOOG_ORG.
441         * graphite-cloog-compat.h (cloog_initialize): Hide function
442         when using CLOOG_ORG.
443         (cloog_finalize): Same.
445 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
447         * graphite-clast-to-gimple.c (free_scattering): Change
448         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
449         (CLOOG_ORG).
450         (build_cloog_prog): Same.
451         * graphite-cloog-compat.h (cloog_domain): Removed.
452         (cloog_scattering): New.
453         (cloog_set_domain): Removed.
454         (cloog_set_scattering): New.
455         (cloog_next_domain): Removed.
456         (cloog_next_scattering): New.
457         (cloog_set_next_domain): Removed.
458         (cloog_set_next_scattering): New.
459         (CloogScatteringList): New.
460         (CloogScattering): New.
461         (cloog_scattering_free): New.
462         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
463         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
464         New.
466 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
468         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
469         CloogState.
470         (set_cloog_options): Same.
471         (print_clast_stmt): Same.
472         (scop_to_clast): Same.
473         (print_generated_program): Same.
474         (gloog): Same.
475         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
476         (scop_to_clast): Extend with CloogState.
477         * graphite-cloog-util.c: Include graphite-cloog-compat.h
478         (new_Cloog_Domain_from_ppl_Polyhedron):
479         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
480         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
481         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
482         * graphite-cloog-util.h (build_cloog_prog): Same.
483         * graphite-cloog-copat.h (build_cloog_prog): New.
484         (CloogState): New.
485         (cloog_state_malloc): New.
486         (cloog_state_free): New.
487         (cloog_loop_malloc): New.
488         (cloog_options_malloc): New.
489         (cloog_statement_alloc): New.
490         (cloog_domain_from_cloog_matrix): New.
491         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
492         (new_Cloog_Domain_from_ppl_Polyhedron): New.
494 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
496         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
497         type of NAME now depends on used CLooG version.
498         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
499         (gcc_type_for_clast_expr): Same.
500         (print_clast_stmt): Replace pprint with clast_pprint.
501         * graphite-cloog-compat.h: Provide compatibility macros for
502         CLooG Legacy.
503         (clast_name_p): New.
504         (clast_expr_term): New.
505         (clast_expr_red): New.
506         (clast_expr_bin): New.
507         (clast_pprint): New.
509 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
511         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
512         compatible to newer CLooG releases (CLOOG_ORG).
513         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
514         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
515         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
516         (build_cloog_prog) : New.
517         (cloog_program_extract_scalars): New.
518         (cloog_program_scatter): New.
520 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
522         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
523         conditionally (CLOOG_ORG).
524         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
525         (cloog_statement_usr): New.
526         (cloog_domain): Same.
527         (cloog_set_domain): Same.
528         (cloog_next_domain): Same.
529         (cloog_set_next_domain): Same.
530         (cloog_program_nb_scattdims): Same.
531         (cloog_program_set_nb_scattdims): Same.
532         (cloog_program_names): Same.
533         (cloog_program_set_names): Same.
534         (cloog_program_set_context): Same.
535         (cloog_program_set_loop): Same.
536         (cloog_program_blocklist): Same.
537         (cloog_program_set_blocklist): Same.
538         (cloog_program_scaldims): Same.
539         (cloog_program_set_scaldims): Same.
540         (cloog_names_nb_parameters): Same.
541         (cloog_names_set_nb_parameters): Same.
542         (cloog_names_parameters): Same.
543         (cloog_names_set_parameters): Same.
544         (cloog_names_set_nb_iterators): Same.
545         (cloog_names_set_iterators): Same.
546         (cloog_names_set_nb_scattering): Same.
547         (cloog_names_set_scattering): Same.
548         (cloog_statement_set_usr): Same.
549         (cloog_loop_set_next): Same.
550         (cloog_loop_set_domain): Same.
551         (cloog_loop_set_block): Same.
552         (cloog_block_list_next): Same.
553         (cloog_block_list_set_next):
554         (cloog_block_list_set_block): Same.
556 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
558         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
559         a bool.
560         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
561         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
562         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
563         when something has been changed.
564         (rewrite_commutative_reductions_out_of_ssa): Same.
566         * gcc.dg/graphite/id-26.c: New.
568 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
570         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
571         handle the case when def is in the sese region.
572         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
573         for invariant expressions.
574         (rewrite_cross_bb_phi_deps): Removed.
575         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
576         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
577         rewrite_cross_bb_phi_deps.
579 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
581         * graphite-sese-to-poly.c
582         (rewrite_commutative_reductions_out_of_ssa_loop): Call
583         scev_analyzable_p only on is_gimple_reg
585         * gcc.dg/graphite/id-25.c: New.
587 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
589         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
590         (rewrite_close_phi_out_of_ssa): Propagate constant values or
591         parametric expressions outside the scop region.
592         (rewrite_cross_bb_scalar_deps): Same.
593         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
595         * gcc.dg/graphite/run-id-5.c: New.
596         * gcc.dg/graphite/run-id-6.c: New.
597         * gfortran.dg/graphite/id-21.f: New.
599 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
601         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
602         SSA_NAME_DEF_STMT only on SSA_NAMEs.
604         * gcc.dg/graphite/id-24.c: New.
606 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
608         * tree-scalar-evolution.c (instantiate_scev_name): Do not
609         instantiate default definitions.
611 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
613         * graphite-scop-detection.c (is_valid_stmt_p): New.
614         (is_valid_bb_p): New.
616 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
617             Sebastian Pop  <sebastian.pop@amd.com>
619         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
620         (loop_exits_from_bb_p): New.
621         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
622         (loop_exits_from_bb_p): Declared.
623         * graphite-scop-detection.c (scopdet_basic_block_info): Call
624         loop_exits_to_bb_p.
626 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
628         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
629         tree-data-ref.h.
630         (dot_regions_1): New.
631         (dot_regions): New.
632         * refined-regions.h (dot_regions): Declared.
633         * Makefile.in (refined-regions.o): Update dependences.
635 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
637         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
638         extra parameter for the region.  Call scev_analyzable_p.
639         (rewrite_reductions_out_of_ssa): Update call to
640         rewrite_close_phi_out_of_ssa.
641         (rewrite_cross_bb_phi_deps): Same.
642         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
643         parameter for the region.  Call scev_analyzable_p.
644         (rewrite_commutative_reductions_out_of_ssa): Update call to
645         rewrite_commutative_reductions_out_of_ssa_loop.
647 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
649         * gcc.dg/tree-ssa/pr20742.c: New.
651 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
653         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
655         * gcc.dg/graphite/id-23.c: New.
657 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
659         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
660         SSA scalar phi nodes that can be scev_analyzable_p.
662         * gfortran.dg/graphite/id-20.f: Adjust testcase.
664 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
666         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
667         handle SSA_NAME_IS_DEFAULT_DEF.
669 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
671         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
673         * gcc.dg/graphite/pr42729.c: New.
675 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
677         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
678         case non close-phi nodes with one argument.
680 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
682         * sese.h (scev_analyzable_p): Scevs could be expressions without
683         chrecs and still be scev_analyzable_p.
685 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
687         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
689 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
691         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
692         * cfgloop.h (struct loop): Remove single_iv field.
693         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
694         (scop_canonicalize_loops): Removed.
695         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
696         over all the loop phi nodes in loop->header.
697         (build_poly_scop): Remove use of scop_canonicalize_loops.
699 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
701         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
702         handle GIMPLE_CALL.
704 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
706         * tree-chrec.c (chrec_apply): Should only apply to the specified
707         variable.  Also handle multivariate chains of recurrences that
708         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
710 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
712         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
713         (debug_clast_name_indexes_1): Removed.
714         (debug_clast_name_indexes): Removed.
715         (pbb_to_depth_to_oldiv): Removed.
716         (build_iv_mapping): Replace the use of rename_map with iv_map.
717         (translate_clast_user): Remove uses of rename_map.  Allocate and
718         free iv_map.
719         (translate_clast_for_loop): Remove uses of rename_map.
720         (translate_clast_for): Same.
721         (translate_clast_guard): Same.
722         (translate_clast): Same.
723         (gloog): Same.
724         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
725         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
726         * sese.c (set_rename): Now static.
727         (rename_variables_in_stmt): Removed.
728         (rename_uses): New.
729         (is_parameter): Removed.
730         (is_iv): Removed.
731         (expand_scalar_variables_call): Removed.
732         (expand_scalar_variables_ssa_name): Removed.
733         (expand_scalar_variables_expr): Removed.
734         (expand_scalar_variables_stmt): Removed.
735         (expand_scalar_variables): Removed.
736         (rename_variables): Removed.
737         (remove_condition): Removed.
738         (get_true_edge_from_guard_bb): Removed.
739         (get_false_edge_from_guard_bb): Removed.
740         (struct igp): Removed.
741         (default_before_guard): Removed.
742         (convert_for_phi_arg): Removed.
743         (add_guard_exit_phis): Removed.
744         (insert_guard_phis): Removed.
745         (graphite_copy_stmts_from_block): Now also uses iv_map and a
746         region.  Do not copy conditions.  Do not copy induction variables.
747         Call rename_uses.
748         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
749         the translated statement.  Use the iv_map for the induction
750         variable renaming.
751         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
752         (set_rename): Removed declaration.
753         (scev_analyzable_p): ...here.
754         * tree-chrec.c (chrec_apply_map): New.
755         * tree-chrec.h (chrec_apply_map): Declared.
757 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
759         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
760         insert_loop_close_phis.
761         * sese.c (name_defined_in_loop_p): Removed.
762         (expr_defined_in_loop_p): Removed.
763         (alive_after_loop): Removed.
764         (close_phi_not_yet_inserted_p): Removed.
765         (struct alep): Removed.
766         (add_loop_exit_phis): Removed.
767         (insert_loop_close_phis): Removed.
769 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
771         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
772         condition.
773         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
775 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
777         * gfortran.dg/graphite/id-20.f: New.
779 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
781         * graphite-cloog-util.h: Added cloog.h.
782         * graphite-blocking.c: Removed cloog.h.
783         * graphite-dependences.c: Same.
784         * graphite-interchange.c: Same.
785         * graphite-poly.c: Same.
786         * graphite-ppl.c: Same.
787         * graphite-scop-detection.c: Same.
788         * graphite-sese-to-poly.c:
789         Removed cloog.h.
790         Removed graphite-clast-to-gimple.h.
791         (check_poly_representation): Removed (unused).
792         * graphite-sese-to-poly.h
793         (check_poly_representation): Removed (unused).
795 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
797         * Makefile.in
798         (OBJS-common): Added graphite-cloog-util.o.
799         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
800         (graphite-cloog-util.o): New.
801         (graphite-ppl.o): Added graphite-cloog-util.h.
802         * graphite-clast-to-gimple.c:
803         Added graphite-cloog-util.h to include statements.
804         * graphite-cloog-util.c: New.
805         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
806         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
807         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
808         (new_C_Polyhedron_from_Cloog_Matrix): Same.
809         (ppl_Constrain_System_number_of_constraints): Same.
810         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
811         (oppose_constraint): Same.
812         (cloog_matrix_to_ppl_constraint): Same.
813         (new_Constraint_System_from_Cloog_Matrix): Same.
814         (insert_constraint_into_matrix): Same. Declared static.
815         * graphite-cloog-util.h: New.
816         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
817         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
818         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
819         (new_C_Polyhedron_from_Cloog_Matrix): Same.
820         (insert_constraint_into_matrix): Same.
821         * graphite-ppl.c:
822         Added graphite-cloog-util.h to include statements.
823         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
824         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
825         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
826         (new_C_Polyhedron_from_Cloog_Matrix): Same.
827         (insert_constraint_into_matrix): Same.
828         (ppl_Constrain_System_number_of_constraints): Same.
829         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
830         (oppose_constraint): Same.
831         (cloog_matrix_to_ppl_constraint): Same.
832         (new_Constraint_System_from_Cloog_Matrix): Same.
833         * graphite-ppl.h:
834         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
835         graphite-cloog-util.h.
836         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
837         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
838         (new_C_Polyhedron_from_Cloog_Matrix): Same.
839         (insert_constraint_into_matrix): Removed.
841 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
843         * graphite-clast-to-gimple.c
844         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
845         (precision_for_interval): Same.
846         (gcc_type_for_interval): Same.
847         (compute_type_for_level): Same.
848         * graphite-interchange.c
849         (lst_interchange_profitable_p): Same.
850         * graphite-poly.c
851         (psct_scattering_dim_for_loop_depth): Same.
852         * graphite-ppl.c
853         (ppl_max_for_le_pointset): Same.
854         (ppl_min_for_le_pointset): Same.
856 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
858         * refined-regions.c (bb_index_compare): New.
859         (get_bbs_in_region): New.
860         (print_bbs_in_region): New.
861         (print_refined_region): Add an argument that allows to print
862         all basic blocks contained in regions.
863         (debug_refined_region): Update call to print_refined_region.
864         * refined-regions.h (print_refined_region): Update declaration.
865         (get_bbs_in_region): Declared.
866         * graphite-scop-detection.c (build_scops_new): Print the refined
867         region tree into the Grahite dump file.
869 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
871         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
872         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
874 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
876         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
877         rewrite_close_phi_out_of_ssa.
879         * gcc.dg/graphite/id-22.c: New.
881 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
883         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
885 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
887         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
888         rename_map.
889         * sese.c (debug_rename_map): Same.
890         (get_rename): Same.
891         (set_rename): Same.
892         (rename_variables_in_stmt): Same.
893         (expand_scalar_variables_call): Same.
894         (expand_scalar_variables_ssa_name): Same.
895         (expand_scalar_variables_expr): Same.
896         (expand_scalar_variables_stmt): Same.
897         (expand_scalar_variables): Same.
898         (rename_variables): Same.
899         (graphite_copy_stmts_from_block): Same.
900         (copy_bb_and_scalar_dependences): Same.
902 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
904         * graphite-clast-to-gimple.c (copy_renames): Removed.
905         (translate_clast_for): Do not call copy_renames.
906         (translate_clast_guard): Same.
908 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
910         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
911         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
912         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
913         before rewrite_cross_bb_scalar_deps.
915 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
917         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
918         Early return in when flag_associative_math is not set.
920 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
922         * gcc.dg/graphite/run-id-2.c: Call abort.
924 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
926         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
927         of SSA copies on edges except for loop->latch.
929 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
931         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
932         Split out of rewrite_reductions_out_of_ssa.
933         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
934         Declared.
935         * graphite.c (graphite_transform_loops): Call it.
937 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
939         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
941 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
943         * passes.c (init_optimization_passes): Add pass_graphite.
944         Schedule a pass_copy_prop before pass_graphite_transforms.
945         * timevar.def (TV_GRAPHITE): Declared.
946         * tree-pass.h (pass_graphite): Declared.
947         * tree-ssa-loop.c (pass_graphite): New.
949         * gcc.dg/graphite/id-20.c: New.
951 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
953         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
954         Remove calls to rename_nb_iterations and rename_sese_parameters.
955         * graphite-clast-to-gimple.h (gloog): Update declaration.
956         * graphite.c (graphite_transform_loops): Update call to gloog.
957         * sese.c (rename_variables_in_expr): Removed.
958         (rename_nb_iterations): Removed.
959         (rename_sese_parameters): Removed.
960         * sese.h (rename_nb_iterations): Removed.
961         (rename_sese_parameters): Removed.
963 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
965         * graphite-clast-to-gimple.c (gloog): Remove call to
966         sese_adjust_liveout_phis.
967         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
968         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
969         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
970         rewrite_phi_out_of_ssa.
971         * sese.c (get_vdef_before_sese): Removed.
972         (sese_adjust_vphi): Removed.
973         (sese_adjust_liveout_phis): Removed.
974         * sese.h (sese_adjust_liveout_phis): Removed.
976 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
978         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
979         argument for the place after which to insert the out of SSA copy.
980         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
981         (rewrite_phi_out_of_ssa): Same.
982         (rewrite_cross_bb_scalar_deps): Same.
983         (insert_copyout): Removed.
984         (insert_copyin): Removed.
985         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
986         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
987         insert_copyin.
989 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
991         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
992         (rewrite_reductions_out_of_ssa): Same.
993         (rewrite_commutative_reductions_out_of_ssa): Same.
994         (build_poly_scop): Do not call these functions.
995         * graphite-sese-to-poly.h (build_poly_scop): Declared.
996         (rewrite_reductions_out_of_ssa): Declared.
997         (rewrite_commutative_reductions_out_of_ssa): Declared.
998         * graphite.c (graphite_transform_loops): Call on every scop
999         rewrite_commutative_reductions_out_of_ssa before calling
1000         rewrite_reductions_out_of_ssa and build_scop_bbs.
1002 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1004         * graphite-dependences.c (dot_deps): Make system call to dotty run
1005         in background.
1006         (dot_deps_stmt): Same.
1007         * graphite-poly.c (dot_lst): Same.
1009 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1011         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1012         old_type in parameter.
1013         (gcc_type_for_value): Update call to gcc_type_for_interval.
1014         (compute_type_for_level_1): Renamed compute_type_for_level.
1015         Update call to gcc_type_for_interval.
1017 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1019         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1020         the scev analysis when the variable is not used outside the loop
1021         in a close phi node: call compute_overall_effect_of_inner_loop.
1023 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1025         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1026         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1027         (build_sese_conditions_before): Renamed call to single_pred_cond.
1028         (build_sese_conditions_after): Same.
1030 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1032         * graphite-poly.h: Fix comments and indentation.
1033         * graphite-sese-to-poly.c: Same.
1034         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1035         * tree-chrec.c: Fix comments and indentation.
1036         (tree-ssa-loop-niter.c): Same.
1038 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1040         * refined-regions.c (create_region): Only initialize the region.
1041         (find_regions_with_entry): Initialize parent relation and bbmap
1042         correctly.
1043         (build_regions_tree): Set outermost_region to region instead of
1044         topmost_region.
1045         (calculate_region_tree): Remove unneeded parameters.
1047 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1049         * graphite-scop-detection.c (is_scop_p): New.
1050         (build_scops_new): New. A skeleton for the new scop detection.
1051         (build_scops_old): Renamed from build_scops.
1052         (build_scops): New version. Call the new and the old scop
1053         detection.
1055 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1056             Antoniu Pop  <antoniu.pop@gmail.com>
1058         * Makefile.in (OBJS-common): Add refined-regions.o.
1059         (refined-regions.o): New.
1060         (graphite-scop-detection.o): Use refined-regions.h.
1061         * graphite-scop-detection.c: Include refined-regions.h
1062         (build_scops): Also build the refined region tree.
1063         * refined-regions.c: New. Adds an algorithm to detect refined
1064         regions.
1065         (print_refined_region): New.
1066         (debug_refined_region): New.
1067         (refined_region_contains_bb_p): New.
1068         (refined_region_contains_region_p): New.
1069         (is_common_df): New.
1070         (struct find_regions_global_data): New.
1071         (is_region): New.
1072         (typedef struct bb_bb_def): New.
1073         (new_bb_bb_def): New.
1074         (bb_bb_map_hash): New.
1075         (eq_bb_bb_map): New.
1076         (find_new_bb): New.
1077         (bb_reg_def): New.
1078         (new_bb_reg_def): New.
1079         (bb_reg_map_hash): New.
1080         (eq_bb_reg_map): New.
1081         (find_new_region): New.
1082         (insert_new_reg): New.
1083         (insert_new_bb): New.
1084         (insert_shortcut): New.
1085         (get_next_postdom): New.
1086         (create_region): New.
1087         (find_regions_with_entry): New.
1088         (find_regions_adc): New.
1089         (find_regions): New.
1090         (get_topmost_parent): New.
1091         (build_regions_tree): New.
1092         (calculate_region_tree): New.
1093         (free_region_tree): New.
1094         * refined-regions.h: New.
1095         (struct refined_region): New.
1096         (calculate_region_tree): New.
1097         (free_region_tree): New.
1098         (refined_region_contains_bb_p): New.
1099         (refined_region_contains_region_p): New.
1100         (print_refined_region): New.
1101         (debug_refined_region): New.
1103 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1105         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1106         size_one_node.
1108 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1110         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1111         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1113 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1115         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1116         phi_arg_in_outermost_loop.
1117         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1118         (remove_invariant_phi): Same.
1120 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1122         * graphite-blocking.c
1123         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1124         * graphite-clast-to-gimple.c
1125         (clast_to_gcc_expression): Same.
1126         (precision_for_value): Same.
1127         (precision_for_interval): Same.
1128         (gcc_type_for_interval): Same.
1129         (graphite_create_new_guard): Same.
1130         (compute_bounds_for_level): Same.
1131         (graphite_create_new_loop_guard): Same.
1132         * graphite-interchange.c
1133         (build_linearized_memory_access): Same.
1134         (pdr_stride_in_loop): Same.
1135         (memory_strides_in_loop_1): Same.
1136         (memory_strides_in_loop): Same.
1137         (extend_scattering): Same.
1138         (psct_scattering_dim_for_loop_depth): Same.
1139         (pbb_number_of_iterations): Same.
1140         * graphite-poly.h
1141         (debug_iteration_domains): Same.
1142         * graphite-ppl.c
1143         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1144         (ppl_set_inhomogeneous_gmp): Same.
1145         (ppl_strip_loop): Same.
1146         (ppl_lexico_compare_linear_expressions): Same.
1147         (ppl_read_polyhedron_matrix): Same.
1148         (ppl_max_for_le_pointset): Same.
1149         * graphite-ppl.h
1150         (ppl_read_polyhedron_matrix): Same.
1151         (tree_int_to_gmp): Same.
1152         (gmp_cst_to_tree): Same.
1153         (ppl_set_inhomogeneous): Same.
1154         (ppl_set_inhomogeneous_tree): Same.
1155         (ppl_set_coef): Same.
1156         (ppl_set_coef_tree): Same.
1157         * graphite-sese-to-poly.c
1158         (build_pbb_scattering_polyhedrons): Same.
1159         (build_scop_scattering): Same.
1160         (scan_tree_for_params_right_scev): Same.
1161         (scan_tree_for_params): Same.
1162         (find_params_in_bb): Same.
1163         (find_scop_parameters): Same.
1164         (add_upper_bounds_from_estimated_nit): Same.
1165         (build_loop_iteration_domains): Same.
1166         (add_condition_to_domain): Same.
1167         (pdr_add_memory_accesses): Same.
1169 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1171         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1172         CLooG's value_* macros to their respective mpz_* counterparts.
1173         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1174         (graphite_create_new_loop_guard): Same.
1175         * graphite-interchange.c (build_linearized_memory_access): Same.
1176         (pdr_stride_in_loop): Same.
1177         (memory_strides_in_loop_1): Same.
1178         (1st_interchange_profitable_p): Same.
1179         * graphite-poly.c (extend_scattering): Same.
1180         (psct_scattering_dim_for_loop_depth): Same.
1181         (pbb_number_of_iterations): Same.
1182         (pbb_number_of_iterations_at_time): Same.
1183         * graphite-poly.h (new_1st_loop): Same.
1184         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1185         (oppose_constraint): Same.
1186         (insert_constraint_into_matrix): Same.
1187         (ppl_set_inhomogeneous_gmp): Same.
1188         (ppl_set_coef_gmp): Same.
1189         (ppl_strip_loop): Same.
1190         (ppl_lexico_compare_linear_expressions): Same.
1191         (ppl_max_for_le_pointset): Same.
1192         (ppl_min_for_le_pointset): Same.
1193         (ppl_build_realtion): Same.
1194         * graphite-ppl.h (gmp_cst_to_tree): Same.
1195         (ppl_set_inhomogeneous): Same.
1196         (ppl_set_inhomogeneous_tree): Same.
1197         (ppl_set_coef): Same.
1198         (ppl_set_coef_tree): Same.
1199         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1200         (build_scop_scattering): Same.
1201         (add_value_to_dim): Same.
1202         (scan_tree_for_params_right_scev): Same.
1203         (scan_tree_for_params_int): Same.
1204         (scan_tree_for_params): Same.
1205         (find_params_in_bb): Same.
1206         (find_scop_parameters): Same.
1207         (add_upper_bounds_from_estimated_nit): Same.
1208         (build_loop_iteration_domains): Same.
1209         (create_linear_expr_from_tree): Same.
1210         (add_condition_to_domain): Same.
1211         (pdr_add_memory_accesses): Same.
1213 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1215         PR middle-end/43519
1216         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1217         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1218         When converting an unsigned type to signed, double its precision.
1219         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1220         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1221         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1223 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1225         PR middle-end/43519
1226         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1227         build_nonstandard_integer_type.
1228         (gcc_type_for_interval): Same.
1230 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1232         PR middle-end/43519
1233         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1234         POINTER_PLUS_EXPR for pointer types.
1236         * gcc.dg/graphite/id-19.c: New.
1238 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1240         PR middle-end/43519
1241         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1242         * graphite-clast-to-gimple.c: Include langhooks.h.
1243         (max_signed_precision_type): New.
1244         (max_precision_type): Takes two types as arguments.
1245         (precision_for_value): New.
1246         (precision_for_interval): New.
1247         (gcc_type_for_interval): New.
1248         (gcc_type_for_value): New.
1249         (gcc_type_for_clast_term): New.
1250         (gcc_type_for_clast_red): New.
1251         (gcc_type_for_clast_bin): New.
1252         (gcc_type_for_clast_expr): Split up into several functions.
1253         (gcc_type_for_clast_eq): Rewritten.
1254         (compute_bounds_for_level): New.
1255         (compute_type_for_level_1): New.
1256         (compute_type_for_level): New.
1257         (gcc_type_for_cloog_iv): Removed.
1258         (gcc_type_for_iv_of_clast_loop): Rewritten.
1259         (graphite_create_new_loop): Compute the lower and upper bound types
1260         with gcc_type_for_clast_expr.
1261         (graphite_create_new_loop_guard): Same.
1262         (find_cloog_iv_in_expr): Removed.
1263         (compute_cloog_iv_types_1): Removed.
1264         (compute_cloog_iv_types): Removed.
1265         (gloog): Do not call compute_cloog_iv_types.
1266         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1267         GBB_CLOOG_IV_TYPES.
1268         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1269         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1270         (GBB_CLOOG_IV_TYPES): Removed.
1272         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1274 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1276         Reverted this commit: as at this point the loop closed SSA form
1277         is under a canonical form respecting the single argument condition.
1278         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1279         close phi nodes may have more than one argument.
1281 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1283         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1284         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1285         (detect_commutative_reduction): Same.
1287 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1289         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1290         close phi nodes may have more than one argument.
1292 2010-03-30  Richard Guenther  <rguenther@suse.de>
1293             Zdenek Dvorak  <ook@ucw.cz>
1294             Sebastian Pop  <sebastian.pop@amd.com>
1296         PR middle-end/43464
1297         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1298         with multiple arguments.
1299         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1301 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1303         * graphite-dependences.c (print_pddr): Call print_pdr with an
1304         extra argument.
1305         * graphite-poly.c (debug_pdr): Add an extra argument for the
1306         verbosity level.
1307         (print_pdr): Same.
1308         (print_pbb_domain): Same.
1309         (print_pbb): Same.
1310         (print_scop_context): Same.
1311         (print_scop): Same.
1312         (print_cloog): Same.
1313         (debug_pbb_domain): Same.
1314         (debug_pbb): Same.
1315         (print_pdrs): Same.
1316         (debug_pdrs): Same.
1317         (debug_scop_context): Same.
1318         (debug_scop): Same.
1319         (debug_cloog): Same.
1320         (print_scop_params): Same.
1321         (debug_scop_params): Same.
1322         (print_iteration_domain): Same.
1323         (print_iteration_domains): Same.
1324         (debug_iteration_domain): Same.
1325         (debug_iteration_domains): Same.
1326         (print_scattering_function): Same.
1327         (print_scattering_functions): Same.
1328         (debug_scattering_function): Same.
1329         (debug_scattering_functions): Same.
1330         * graphite-poly.h (debug_pdr): Update declaration.
1331         (print_pdr): Same.
1332         (print_pbb_domain): Same.
1333         (print_pbb): Same.
1334         (print_scop_context): Same.
1335         (print_scop): Same.
1336         (print_cloog): Same.
1337         (debug_pbb_domain): Same.
1338         (debug_pbb): Same.
1339         (print_pdrs): Same.
1340         (debug_pdrs): Same.
1341         (debug_scop_context): Same.
1342         (debug_scop): Same.
1343         (debug_cloog): Same.
1344         (print_scop_params): Same.
1345         (debug_scop_params): Same.
1346         (print_iteration_domain): Same.
1347         (print_iteration_domains): Same.
1348         (debug_iteration_domain): Same.
1349         (debug_iteration_domains): Same.
1350         (print_scattering_function): Same.
1351         (print_scattering_functions): Same.
1352         (debug_scattering_function): Same.
1353         (debug_scattering_functions): Same.
1355 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1357         * graphite-poly.c (print_scattering_function_1): New.
1358         (print_scattering_function): Call it.
1359         (print_scop_params): Remove spaces at the end of lines.
1360         (print_cloog): New.
1361         (debug_cloog): New.
1362         * graphite-poly.h (print_cloog): Declared.
1363         (debug_cloog): Declared.
1365 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1367         * tree-ssa-copy.c: Revert this previous change:
1368         (init_copy_prop): Loop closed phi nodes cancontain more than one
1369         argument.
1370         (execute_copy_prop): Revert the previous change: do not call
1371         rewrite_into_loop_closed_ssa.
1373 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1374             Richard Guenther  <rguenther@suse.de>
1376         PR middle-end/43464
1377         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1378         contain more than one argument.
1379         (execute_copy_prop): Revert the previous change: do not call
1380         rewrite_into_loop_closed_ssa.
1382         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1383         * gcc.dg/graphite/id-pr43464-1.c: New.
1385 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1387         PR middle-end/43464
1388         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1389         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1391         * gcc.dg/graphite/id-pr43464.c: New.
1393 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1395         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1396         in loop->header.
1397         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1398         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1399         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1400         to switch between adding the IV bump in loop->latch or in loop->header.
1402 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1404         * passes.c (init_optimization_passes): Add pass_copy_prop
1405         after Graphite.
1407 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1409         * graphite-poly.c (print_scattering_function): Pretty print following
1410         the scoplib format.
1411         (print_pdr): Same.
1412         (print_pbb_domain): Same.
1413         (dump_gbb_cases): Same.
1414         (dump_gbb_conditions): Same.
1415         (print_pdrs): Same.
1416         (print_pbb): Same.
1417         (print_scop_params): Same.
1418         (print_scop_context): Same.
1419         (print_scop): Same.
1420         (print_pbb_body): New.
1421         (lst_indent_to): New.
1422         (print_lst): Start new lines with a #.
1423         * graphite-poly.h (pbb_bb): New.
1424         (pbb_index): Use pbb_bb.
1425         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1426         disjuncts.
1427         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1429 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1431         PR middle-end/43351
1432         * gcc.dg/graphite/id-pr43351.c
1434 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1436         PR middle-end/43354
1437         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1438         call insert_out_of_ssa_copy for default definitions.
1439         * gfortran.dg/graphite/id-pr43354.f: New.
1441 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1443         PR middle-end/43349
1444         * gfortran.dg/graphite/pr43349.f: New.
1446 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1448         * graphite-clast-to-gimple.c (my_long_long): Defined.
1449         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1450         * graphite-sese-to-poly.c (my_long_long): Defined.
1451         (scop_ivs_can_be_represented): Use it.
1453 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1455         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1456         graphite-max-bbs-per-function, and loop-block-tile-size.
1457         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1458         with "maximum".
1459         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1461 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1463         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1464         forward declaration.
1465         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1466         (add_upper_bounds_from_estimated_nit): New.
1467         (build_loop_iteration_domains): Use it.
1469 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1471         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1473 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1475         PR middle-end/43306
1476         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1477         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1478         * gcc.dg/graphite/pr43306.c: New.
1480 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1482         * graphite.c (graphite_initialize): To bound the number of bbs per
1483         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1484         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1485         * doc/invoke.texi: Document it.
1487 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1489         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1490         * graphite-sese-to-poly.h (build_poly_scop): Same.
1492 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1494         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1495         the number of parameters in the scop.  Use as an upper bound
1496         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1497         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1498         * doc/invoke.texi: Document it.
1500 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1502         * graphite-sese-to-poly.c (add_param_constraints): Use
1503         lower_bound_in_type and upper_bound_in_type.
1505 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1507         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1508         instead of unsigned_type_node.
1510 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1511             Reza Yazdani  <reza.yazdani@amd.com>
1513         PR middle-end/43065
1514         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1515         on pointer type parameters.
1517         * gcc.dg/graphite/run-id-4.c: New.
1519 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1521         PR middle-end/43065
1522         * gcc.dg/graphite/run-id-3.c: New.
1524 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1525             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1527         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1528         handle conversions from pointer to integers.
1529         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1530         induction variable, to be able to work with code generated by CLooG.
1531         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1532         (build_poly_scop): Bail out if we cannot codegen a loop.
1534 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1536         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1537         code generation with gloog_error.
1539 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1541         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1542         Call fold_convert on all the returned values.
1543         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1544         the type of the resulting expression.
1546 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1548         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1549         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1550         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1552 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1554         * graphite-dependences.c (map_into_dep_poly): Removed.
1555         (dependence_polyhedron_1): Use combine_context_id_scat.
1557 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1559         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1560         (struct poly_bb): Same.
1561         (combine_context_id_scat): New.
1563 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1565         PR middle-end/42326
1566         * sese.c (name_defined_in_loop_p): Return false for default
1567         definitions.
1569         * gcc.dg/graphite/pr42326.c: New.
1571 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1573         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1574         and clean up the logic.
1576 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1578         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1579         early return.
1581 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1583         PR middle-end/43083
1584         * graphite-scop-detection.c (create_single_exit_edge): Move
1585         the call to find_single_exit_edge to....
1586         (create_sese_edges): ...here.  Don't handle multiple edges
1587         exiting the function.
1588         (build_graphite_scops): Don't handle multiple edges
1589         exiting the function.
1591         * gcc.dg/graphite/pr43083.c: New.
1593 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1595         PR middle-end/43097
1596         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1597         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1599         * gfortran.dg/graphite/pr43097.f: New.
1601 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1602             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1604         PR middle-end/43140
1605         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1607 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1609         PR middle-end/43026
1610         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1612         * g++.dg/graphite/pr43026.C: New.
1614 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1616         * Merge from mainline (154736:156693).
1618 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1620         PR middle-end/43012
1621         * gcc.dg/graphite/pr43012.c: New.
1623 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1625         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1626 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1628         * g++.dg/graphite/pr42930.C: New.
1630 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1632         PR middle-end/42930
1633         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1634         graphite_can_represent_init for MULT_EXPR.
1636 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1638         PR middle-end/42914
1639         PR middle-end/42530
1640         * graphite-sese-to-poly.c (remove_phi): New.
1641         (translate_scalar_reduction_to_array): Call remove_phi.
1643         * gcc.dg/graphite/pr42530.c: New.
1644         * gcc.dg/graphite/pr42914.c: New.
1646 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1648         PR middle-end/42771
1649         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1650         * graphite-clast-to-gimple.h (gloog): Update declaration.
1651         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1652         * graphite-poly.h (struct poly_bb): Add missing comments.
1653         (struct scop): Add poly_scop_p field.
1654         (POLY_SCOP_P): New.
1655         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1656         * graphite.c (graphite_transform_loops): Build the polyhedral
1657         representation for each scop before code generation.
1658         * sese.c (rename_variables_in_operand): Removed.
1659         (rename_variables_in_expr): Return the renamed expression.
1660         (rename_sese_parameters): New.
1661         * sese.h (rename_sese_parameters): Declared.
1663         * gcc.dg/graphite/pr42771.c: New.
1665 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1667         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1668         return 0 from main.
1669         * gcc.dg/graphite/block-1.c: Same.
1670         * gcc.dg/graphite/block-3.c: Same.
1671         * gcc.dg/graphite/block-4.c: Same.
1672         * gcc.dg/graphite/block-5.c: Same.
1673         * gcc.dg/graphite/block-6.c: Same.
1674         * gcc.dg/graphite/block-7.c: Same.
1675         * gcc.dg/graphite/interchange-0.c: Same.
1676         * gcc.dg/graphite/interchange-1.c: Same.
1677         * gcc.dg/graphite/interchange-10.c: Same.
1678         * gcc.dg/graphite/interchange-11.c: Same.
1679         * gcc.dg/graphite/interchange-12.c: Same.
1680         * gcc.dg/graphite/interchange-2.c: Same.
1681         * gcc.dg/graphite/interchange-3.c: Same.
1682         * gcc.dg/graphite/interchange-4.c: Same.
1683         * gcc.dg/graphite/interchange-5.c: Same.
1684         * gcc.dg/graphite/interchange-6.c: Same.
1685         * gcc.dg/graphite/interchange-7.c: Same.
1686         * gcc.dg/graphite/interchange-8.c: Same.
1687         * gcc.dg/graphite/interchange-9.c: Same.
1688         * gcc.dg/graphite/interchange-mvt.c: Same.
1690 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1692         * gfortran.dg/graphite/id-19.f: New.
1693         * gfortran.dg/graphite/pr14741.f90: New.
1694         * gfortran.dg/graphite/pr41924.f90: New.
1695         * gfortran.dg/graphite/run-id-2.f90: New.
1697 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1699         PR middle-end/42988
1700         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1701         to unknown_dependence.
1702         (graphite_legal_transform_dr): Handle the unknown_dependence.
1703         (graphite_carried_dependence_level_k): Same.
1705 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1707         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1709 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1710             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1712         PR middle-end/42637
1713         * graphite-dependences.c (build_lexicographical_constraint): Return
1714         a union of dependence polyhedra.
1715         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1717         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1718         * gcc.dg/graphite/block-4.c: Same.
1719         * gcc.dg/graphite/block-7.c: Same.
1720         * gcc.dg/graphite/interchange-12.c: Same.
1721         * gcc.dg/graphite/interchange-mvt.c: Same.
1722         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1723         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1724         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1726 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1728         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1729         the execution check to FAIL.  This testcase is miscompiled by Graphite
1730         and the check should be re-enabled.
1731         * gcc.dg/graphite/interchange-mvt.c: Same.
1732         * gcc.dg/graphite/block-0.c: Same.
1733         * gcc.dg/graphite/block-4.c: Same.
1734         * gcc.dg/graphite/block-7.c: Same.
1736 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1738         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1739         * gcc.dg/graphite/scop-0.c: Fix spaces.
1740         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1741         * gfortran.dg/graphite/block-2.f: Same.
1742         * gfortran.dg/graphite/block-3.f90: Same.
1743         * gfortran.dg/graphite/block-4.f90: Same.
1744         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1745         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1747 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1749         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1750         PDDR_ORIGINAL_SCATTERING_P.
1751         (pddr_is_empty): Rewritten.
1752         (print_dependence_polyhedron_layout): New.
1753         (print_pddr): New.
1754         (debug_pddr): New.
1755         (build_alias_set_powerset): Moved up.
1756         (poly_drs_may_alias_p): Moved up.
1757         (lexicographically_gt_p): Removed.
1758         (build_lexicographically_gt_constraint): Renamed
1759         build_lexicographical_constraint, reimplemented.
1760         (dependence_polyhedron_1): Simplified parameters.
1761         (dependence_polyhedron): Same.  Keep along empty PDDRs
1762         to make efficient use of the cache.
1763         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1764         (graphite_legal_transform_dr): Rewritten.
1765         (graphite_legal_transform_bb): Pass fewer arguments to
1766         graphite_legal_transform_dr.
1767         (graphite_carried_dependence_level_k): Simplified implementation.
1768         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1769         (dot_transformed_deps_stmt_1): Same.
1770         (dot_original_deps): Same.
1771         (dot_transformed_deps): Same.
1772         * graphite-dependences.h (struct poly_ddr): Added a new field
1773         original_scattering_p.
1774         (PDDR_ORIGINAL_SCATTERING_P): New.
1775         (print_pddr): Declared.
1776         (debug_pddr): Declared.
1777         * graphite-ppl.c: Clarify comment.
1778         * sese.h (print_gimple_bb): Removed unused declaration.
1779         (debug_gbb): Same.
1781 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1783         * g++.dg/graphite/graphite.exp: Rewritten.
1784         * gcc.dg/graphite/graphite.exp: Rewritten.
1785         * gfortran.dg/graphite/graphite.exp: Rewritten.
1786         * gcc.dg/graphite/block-0.c: Added runtime test.
1787         * gcc.dg/graphite/block-1.c: Same.
1788         * gcc.dg/graphite/block-3.c: Same.
1789         * gcc.dg/graphite/block-4.c: Same.
1790         * gcc.dg/graphite/block-5.c: Same.
1791         * gcc.dg/graphite/block-6.c: Same.
1792         * gcc.dg/graphite/block-7.c: Same.
1793         * gcc.dg/graphite/interchange-0.c: Same.
1794         * gcc.dg/graphite/interchange-1.c: Same.
1795         * gcc.dg/graphite/interchange-10.c: Same.
1796         * gcc.dg/graphite/interchange-11.c: Same.
1797         * gcc.dg/graphite/interchange-12.c: Same.
1798         * gcc.dg/graphite/interchange-2.c: Same.
1799         * gcc.dg/graphite/interchange-3.c: Same.
1800         * gcc.dg/graphite/interchange-4.c: Same.
1801         * gcc.dg/graphite/interchange-5.c: Same.
1802         * gcc.dg/graphite/interchange-6.c: Same.
1803         * gcc.dg/graphite/interchange-7.c: Same.
1804         * gcc.dg/graphite/interchange-8.c: Same.
1805         * gcc.dg/graphite/interchange-9.c: Same.
1806         * gcc.dg/graphite/interchange-mvt.c: Same.
1807         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1809 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1811         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1812           background.
1814 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1816         * common.opt: Add -fgraphite-cloog-opts.
1817         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1818         * opts.c (decode_options): Same.
1820 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1822         * gcc.dg/graphite/id-17.c: New.
1823         * gcc.dg/graphite/pr41888.c: New.
1824         * gcc.dg/graphite/scop-22.c: New.
1825         * gfortran.dg/graphite/pr40982.f90: New.
1827 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1829         * graphite-dependences.c: Clarify comments.
1830         (build_pddr): Add an extra parameter direction.
1831         (graphite_legal_transform_dr): Use build_pddr.
1832         (dot_original_deps_stmt_1): Update use of build_pddr.
1833         (dot_transformed_deps_stmt_1): Same.
1834         (dot_original_deps): Same.
1835         (dot_transformed_deps): Same.
1837         * gcc.dg/graphite/interchange-12.c: New.
1838         * gcc.dg/graphite/block-7.c: New.
1840 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1842         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1843         (pddr_transformed_scattering): Removed.
1844         (graphite_legal_transform_dr): Use build_pddr.
1845         (dot_original_deps_stmt_1): Same.
1846         (dot_transformed_deps_stmt_1): Same.
1847         (dot_original_deps): Same.
1848         (dot_transformed_deps): Same.
1850 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1852         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1853         (build_lexicographically_gt_constraint): Same.
1854         (dependence_polyhedron_1): Same.
1855         (dependence_polyhedron): Same.
1857 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1859         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1860         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1861         (lexicographically_gt_p): Change type of direction to int.
1862         (build_lexicographically_gt_constraint): Same.
1863         (dependence_polyhedron_1): Same.
1864         (dependence_polyhedron): Same.
1865         (pddr_original_scattering): Use integers for direction.
1866         (pddr_transformed_scattering): Same.
1867         (graphite_legal_transform_dr): Same.
1868         (graphite_carried_dependence_level_k): Same.
1870 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1872         * graphite-dependences.c (build_pairwise_constraint): Renamed
1873         ppl_build_relation.  Moved...
1874         (dr_equality_constraints): Use ppl_build_relation.
1875         (build_pairwise_scheduling_equality): Same.
1876         (build_pairwise_scheduling_inequality): Same.
1877         * graphite-ppl.c (ppl_build_relation): ...here.
1878         * graphite-ppl.h (ppl_build_relation): Declared.
1880 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1882         PR middle-end/42681
1883         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1884         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1885         Set gloog_error when such an expression failed to be built.
1886         (translate_clast): Early return when gloog_error is set.
1887         (gloog): Clear gloog_error.  When gloog_error is set, call
1888         set_ifsese_condition to enable the original code.  Return the status
1889         of the code generation based on gloog_error.
1890         * sese.c (set_ifsese_condition): New.
1891         * sese.h (set_ifsese_condition): Declared.
1893         * g++.dg/graphite/pr42681.C: New.
1895 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1897         PR middle-end/42732
1898         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1899         rename_nb_iterations.
1900         * sese.c (rename_variables_in_operand): New.
1901         (rename_variables_in_expr): New.
1902         (rename_nb_iterations): New.
1903         (sese_adjust_liveout_phis): Update the rename_map.
1904         * sese.h (rename_nb_iterations): Declared.
1905         * tree-scalar-evolution.c (scev_reset_htab): New.
1906         (scev_reset): Call scev_reset_htab.
1907         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1909         * gfortran.dg/graphite/pr42732.f: New.
1911 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1913         PR middle-end/42393
1914         * graphite-clast-to-gimple.c: Fix formatting.
1915         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1916         (expr_defined_in_loop_p): New.
1917         (add_loop_exit_phis): Also handle full expressions: remove from
1918         the rename_map the expressions defined in the loop that we're closing.
1920         * gfortran.dg/graphite/pr42393-1.f90: New.
1921         * gfortran.dg/graphite/pr42393.f90: Add new flags
1922         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1923         make this testcase useful in the Graphite branch.
1925 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1927         * graphite-scop-detection.c (exclude_component_ref): Removed.
1928         (is_simple_operand): Removed.
1929         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1931 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1933         PR middle-end/42221
1934         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1935         the array indexing of ADDR_EXPRs.
1937         * gcc.dg/graphite/pr42221.c: New.
1939 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1941         PR middle-end/42521
1942         * graphite.c (graphite_finalize): Call scev_reset.
1943         (graphite_transform_loops): Do not call scev_reset between the code
1944         generation of scops.
1946         * gcc.dg/graphite/pr42521.c: New.
1948 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1950         * graphite-interchange.c (memory_stride_in_loop): Renamed
1951         pdr_stride_in_loop.
1952         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1953         (memory_strides_in_loop): Memoize the memory strides per loop.
1954         (lst_interchange_profitable_p): Do not initialize to zero the memory
1955         strides.
1956         * graphite-poly.h (struct lst): Add a field memory_strides.
1957         (LST_LOOP_MEMORY_STRIDES): New.
1958         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1959         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1961 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1963         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1964         memory_strides_in_loop.  Gather memory strides on a whole loop.
1965         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1966         (lst_interchange_profitable_p): Removed.
1967         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1969 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1971         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1972         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1973         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1974         Remove context_loop and level.
1976 2010-01-07  Richard Guenther  <rguenther@suse.de>
1978         PR tree-optimization/42641
1979         * sese.c (rename_map_elt_info): Use the SSA name version, do
1980         not hash pointers.
1982 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1984         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1985         blocked" only when both the strip mine and the interchange have
1986         been applied.
1988         * gcc.dg/graphite/block-2.c: Removed.
1989         * gcc.dg/graphite/block-3.c: Add scan pattern.
1990         * gcc.dg/graphite/block-4.c: Same.
1991         * gcc.dg/graphite/block-5.c: Same.
1992         * gcc.dg/graphite/block-6.c: Same.
1994 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1996         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1997         before allocating a new one.
1998         (copy_renames): Check that slot is not NULL.
1999         (mark_bb_with_pbb): Same.
2000         (compute_cloog_iv_types_1): Same.
2001         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2002         nest, and after LSTs.
2003         (lst_try_interchange_loops): Same.
2005 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2007         PR middle-end/42178
2008         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2009         the before, nest, and after LSTs.
2010         (lst_try_interchange): Removed.
2011         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2012         were modified.
2013         (lst_interchange_select_outer): Apply interchange on the outer loop
2014         until there are no more changes in the inner loops.
2016 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2018         Revert patch fixing PR middle-end/42221.
2020 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2022         PR middle-end/42180
2023         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2024         GIMPLE_CALL.
2026         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2028 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2030         PR middle-end/42180
2031         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2032         that contain only one statement.
2034         * gfortran.dg/graphite/pr42180.f90: New.
2036 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2038         PR middle-end/42393
2039         * gfortran.dg/graphite/pr42393.f90: New.
2041 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2043         PR middle-end/42186
2044         * gfortran.dg/graphite/pr42186.f90: New.
2046 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2048         PR middle-end/42205
2049         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2050         Insert the reduction copy in the same block as the phi node.
2051         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2053         * gcc.dg/graphite/pr42205-1.c: New.
2054         * gcc.dg/graphite/pr42205-2.c: New.
2056 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2058         PR middle-end/42221
2059         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2060         the array indexing of ADDR_EXPRs.
2062         * gcc.dg/graphite/pr42221.c: New.
2064 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2066         PR middle-end/42178
2067         PR middle-end/42334
2068         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2069         index.  Call lst_interchange_select_inner only once.
2070         (lst_interchange_select_inner): Update use of lst_try_interchange.
2071         (lst_interchange_select_outer): Update.
2073 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2075         PR middle-end/42178
2076         PR middle-end/42334
2077         * graphite-interchange.c (lst_try_interchange): Do not increment the
2078         the OUTER index when there is no AFTER kernel.  Do not increment the
2079         OUTER index for after processing the AFTER kernel.
2080         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2081         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2082         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2083         (scop_do_interchange): Update use of lst_interchange_select_outer.
2085         * gfortran.dg/graphite/graphite.exp
2086         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2087         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2088         the graphite dump file.
2089         * gfortran.dg/graphite/interchange-2.f: Same.
2090         * gfortran.dg/graphite/pr42334-1.f: New.
2092 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2094         PR middle-end/42178
2095         PR middle-end/42334
2096         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2097         that are empty.
2098         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2099         (lst_try_interchange): Reimplemented.
2100         (lst_interchange_select_inner): Same.
2101         (lst_do_interchange): Renamed lst_interchange_select_outer.
2102         Reimplemented.
2103         (scop_do_interchange): Update use of lst_interchange_select_outer.
2105         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2106         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2107         * gcc.dg/graphite/pr42211.c: New.
2108         * gfortran.dg/graphite/pr42334.f90: New.
2110 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2112         PR middle-end/42181
2113         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2114         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2116         * gfortran.dg/graphite/pr42181.f90: New.
2118 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2120         PR middle-end/42284
2121         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2122         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2123         (detect_commutative_reduction_arg): Simplified.
2124         (detect_commutative_reduction): Early return when the argument of
2125         the close phi is not of an SSA_NAME.
2127         * gcc.dg/graphite/pr42284.c: New.
2129 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2131         * dbgcnt.def (graphite_scop): New counter.
2132         * graphite.c: Include dbgcnt.h
2133         (graphite_transform_loops): Use new counter to limit transformations.
2135 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2137         PR middle-end/42285
2138         * graphite-scop-detection.c (graphite_can_represent_init): Also
2139         handle more complex MULT_EXPRs containing parameters by recursion
2140         on the structure.
2142         * gfortran.dg/graphite/pr42285.f90: New.
2144 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2146         * g++.dg/graphite/pr42130.C: Fix type.
2148 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2150         * g++.dg/graphite/pr42130.C: Correct testcase.
2152 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2154         * Merge from mainline (154493:154734).
2156 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2158         * Merge from mainline (151362:154491).
2160 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2162         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2163         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2165 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2167         PR middle-end/42130
2168         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2169         translate_clast_for_loop): New.
2170         (translate_clast_for): Add a condition around the loop, to do not
2171         execute loops with zero iterations.
2172         * g++.dg/graphite/pr42130.C: New.
2173         * gcc.dg/graphite/pr35356-2.c: Adapt.
2175 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2177         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2178         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2179         Remove context_loop and level.
2181 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2183         * graphite-clast-to-gimple.c (translate_clast_user,
2184         translate_clast_for, translate_clast_guard): Simplify and move common
2185         elements to translate_clast().
2186         (translate_clast): Simplify and get common elements.
2188 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2190         * graphite-clast-to-gimple.c (translate_clast_user,
2191         translate_clast_for, translate_clast_guard): Split out of
2192         translate_clast.
2194 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2196         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2197         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2198         debug_clast_name_indexes_1, debug_clast_name_indexes,
2199         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2200         (clast_name_to_gcc, clast_to_gcc_expression,
2201         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2202         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2203         graphite_create_guard_cond_expr, graphite_create_new_loop,
2204         translate_clast): Add params_index.
2205         (initialize_cloog_names): Create parameter strings from scratch, do
2206         not reference other strings.
2207         (create_params_index): New.
2208         (gloog): Initialize params_index.
2209         * graphite-scop-detection (free_scops_1): Removed.
2210         (limit_scops): Use normal free_scops.
2211         * graphite-sese-to-poly.c (save_var_names): Removed.
2212         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2213         and SESE_PARAMS_INDEX.
2214         * sese.c (new_sese, free_sese): Dito.
2215         * sese.h (struct sese): Remove params_index, params_names.
2216         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2218 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2220         Revert the following patch from 2009-09-14:
2221         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2222         tree-scalar-evolution.h, and then tree-data-ref.h.
2223         * graphite-clast-to-gimple.c: Same.
2224         * graphite-dependences.c: Same.
2225         * graphite-interchange.c: Same.
2226         * graphite-poly.c: Same.
2227         * graphite-scop-detection.c: Same.
2228         * graphite-sese-to-poly.c: Same.
2229         * graphite.c: Same.
2230         * lambda-code.c: Same.
2231         * matrix-reorg.c: Same.
2232         * tree-data-ref.c: Same.
2233         * tree-if-conv.c: Same.
2234         * tree-loop-distribu: Same.: Same.
2235         * tree-loop-linear.c: Same.
2236         * tree-parloops.c: Same.
2237         * tree-predcom.c: Same.
2238         * tree-vect-patterns.c: Same.
2240 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2242         Revert patch from 2009-09-14.
2243         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2244         passes at -O1 and below.
2246 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2248         PR middle-end/40281
2249         * gcc.dg/graphite/pr40281.c: New.
2251         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2252         evolutions should not variate in inner loops.
2254 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2256         PR middle-end/42050
2257         * gfortran.dg/graphite/pr42050.f90: New.
2259 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2261         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2262         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2264 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2266         * graphite-blocking.c (scop_do_block): New.
2267         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2268         * graphite-poly.h (scop_do_block): Declared.
2270 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2272         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2273         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2274         to transform depth into the time_depth before calling
2275         pbb_number_of_iterations_at_time.
2276         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2277         lst_depth.
2279 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2281         Reverted the patch for "scattering permutations" from 2009-10-28.
2283         * graphite-poly.c (print_permutation): New.
2284         (debug_permutation): New.
2285         (new_poly_bb): Initialize PBB_PERMUTATION.
2286         (free_poly_bb): Free PBB_PERMUTATION.
2287         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2288         (struct pbb_permutation_elt): New.
2289         (PBB_PERMUTATION_ELT_STRIDE): New.
2290         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2291         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2292         (new_pbb_permutation_elt): New.
2293         (pbb_permutation_elt_free): New.
2294         (struct poly_bb): Add field permutation.
2295         (PBB_PERMUTATION): New.
2296         (print_permutation): Declared.
2297         (debug_permutation): Declared.
2299 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2301         * graphite-interchange.c (build_partial_difference): New.
2302         (memory_stride_in_loop): Refactored the computation of
2303         equality constraints into build_partial_difference function.
2304         Added support for debugging stride computations.
2306 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2308         * graphite-clast-to-gimple.c (gloog): Free if_region,
2309         if_region->true_region, and if_region->region.
2310         * sese.c (if_region_set_false_region): Free if_region->false_region.
2311         (create_if_region_on_edge): Do not use GGC_NEW.
2312         (move_sese_in_condition): Remove useless initialization.
2314 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2316         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2317         for the loops created by the loop distribution.  Do not modify the
2318         input LSTs.
2319         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2320         transformed schedule.  Call lst_update_scattering before data
2321         dependence analysis.
2322         (lst_try_interchange): Pass an extra parameter INDEX.
2323         (lst_do_interchange_1): New.
2324         (lst_do_interchange): Call lst_do_interchange_1.
2325         (scop_do_interchange): Call lst_update_scattering.
2326         * graphite-poly.c (apply_poly_transforms): Do not call
2327         lst_update_scattering.
2328         * graphite-poly.h (lst_pred): New.
2329         (lst_succ): New.
2330         (lst_find_first_pbb): Return NULL when not found.
2331         (lst_empty_p): New.
2332         (lst_insert_in_sequence): Allow LST1 to be NULL.
2333         (lst_replace): New.
2334         (lst_substitute_3): New.
2335         * gcc.dg/graphite/interchange-1.c: XFail.
2336         * gcc.dg/graphite/interchange-8.c: XFail.
2337         * gcc.dg/graphite/interchange-11.c: XFail.
2339 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2341         * graphite-interchange.c (lst_perfectly_nested_p): New.
2342         (lst_perfect_nestify): New.
2343         (lst_try_interchange_loops): Call store_lst_schedule,
2344         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2345         (scop_do_interchange): Avoid redundant legality test.
2346         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2347         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2348         * graphite-poly.h (psct_static_dim): New.
2349         (lst_dewey_number_at_depth): New.
2350         (lst_find_pbb): Restructured.
2351         (lst_find_first_pbb): Restructured.
2352         (lst_find_last_pbb): New.
2353         (lst_contains_p): New.
2354         (lst_contains_pbb): New.
2355         (lst_create_nest): New.
2356         (lst_remove_from_sequence): New.
2357         (pbb_update_scattering): New.
2358         (lst_update_scattering_under): New.
2359         (lst_update_scattering_seq): New.
2360         (lst_update_scattering): New.
2361         (lst_insert_in_sequence): New.
2362         (lst_distribute_lst): New.
2363         (lst_remove_all_before_including_pbb): New.
2364         (lst_remove_all_before_excluding_pbb): New.
2366 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2368         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2369         get_loop_exit_edges.
2371 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2373         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2375 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2377         * graphite-poly.c (print_permutation): New.
2378         (debug_permutation): New.
2379         (new_poly_bb): Initialize PBB_PERMUTATION.
2380         (free_poly_bb): Free PBB_PERMUTATION.
2381         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2382         (struct pbb_permutation_elt): New.
2383         (PBB_PERMUTATION_ELT_STRIDE): New.
2384         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2385         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2386         (new_pbb_permutation_elt): New.
2387         (pbb_permutation_elt_free): New.
2388         (struct poly_bb): Add field permutation.
2389         (PBB_PERMUTATION): New.
2390         (print_permutation): Declared.
2391         (debug_permutation): Declared.
2393 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2395         * graphite-clast-to-gimple.c (gloog): Do not call
2396         sese_reset_aux_in_loops.
2397         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2398         extra argument for domains.  Do not use loop->aux.
2399         (build_scop_iteration_domain): Initialize and free domains, pass it
2400         to build_loop_iteration_domains and extract the information from
2401         domains.  Do not use loop->aux.
2402         * sese.c (sese_reset_aux_in_loops): Removed.
2403         * sese.h (sese_reset_aux_in_loops): Removed.
2405 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2407         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2408         (dependency_in_loop_p): Same.
2409         (translate_clast): Do not use loop->aux.  Initialize
2410         loop->can_be_parallel.
2411         (mark_loops_parallel): Removed.
2412         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2413         * graphite.c (free_aux_in_new_loops): Removed.
2414         (graphite_finalize): Do not call free_aux_in_new_loops.
2415         (graphite_transform_loops): Do not call mark_loops_parallel.
2417 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2419         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2420         (translate_clast): Pass an extra parameter LEVEL.
2421         Call get_scattering_level.
2422         * graphite-clast-to-gimple.h (get_scattering_level): New.
2424 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2426         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2427         * cfgloop.h (struct loop): New field single_iv.
2429         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2430         loop->aux anymore: use loop->single_iv.
2431         (graphite_loop_normal_form): Moved...
2432         (build_graphite_loop_normal_form): Removed.
2433         (gloog): Do not call build_graphite_loop_normal_form.
2434         (free_aux_in_new_loops): Moved...
2435         (mark_loops_parallel): Restructure.
2436         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2437         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2438         (scop_canonicalize_loops): New.
2439         (build_poly_scop): Call scop_canonicalize_loops.
2440         * graphite.c (free_aux_in_new_loops): ...here.
2442 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2444         * g++.dg/graphite/graphite.exp: Add the same rules as in
2445         gcc.dg/graphite/graphite.exp.
2447 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2449         * g++.dg/graphite/id-1.C: New.
2451 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2453         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2454         argument base_name.
2455         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2456         (rewrite_phi_out_of_ssa): Same.
2457         (rewrite_cross_bb_scalar_deps): Same.
2458         (translate_scalar_reduction_to_array): Same.
2460 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2462         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2463         dump_alias_graphs.
2465 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2467         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2468         (build_scop_drs): Call dump_alias_graphs.
2470 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2472         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2473         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2474         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2475         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2476         * graphite-poly.h (free_lst): New.
2477         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2478         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2480 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2482         * graphite-poly.h (struct scop): Add a field saved_schedule.
2483         (SCOP_SAVED_SCHEDULE): New.
2484         (store_lst_schedule): New.
2485         (restore_lst_schedule): New.
2486         (store_scattering): Call store_lst_schedule.
2487         (restore_scattering): Call restore_lst_schedule.
2489 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2491         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2492         (pdr_add_alias_set): Same.
2493         (build_poly_dr): Same.
2494         (build_alias_set_optimal_p): Same.
2495         (build_base_obj_set_for_drs): Same.  Do not store the result of
2496         graphds_dfs.
2498 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2500         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2501         all_components_are_cliques to 1.
2503 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2505         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2506         the new structure.
2507         (pdr_add_alias_set): Update retrieving alias_set_num.
2508         (build_poly_dr): Update retrieving dr_base_object_set.
2509         (partition_drs_to_sets): Remove.
2510         (build_alias_set_optimal_p): New.
2511         (build_alias_set_for_drs): Rename.
2512         (build_scop_drs): Update.
2513         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2514         (ALIAS_SET_INDEX): Remove.
2515         (BASE_OBJECT_SET_INDEX): Remove.
2517 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2519         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2521 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2523         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2524         loop upper bounds for 1-element arrays at end of structures.
2525         * tree-flow.h (array_at_struct_end_p): Declared.
2526         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2528 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2530         * g++.dg/graphite/pr41305.C: New.
2532 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2534         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2535         construction of parameter constraints from loop iteration analysis.
2536         * gcc.dg/graphite/run-id-2.c: New test.
2538 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2540         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2541         and new_cstr.
2543 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2545         * graphite-dependences.c (dependence_polyhedron_1): Remove
2546         unused gdim dimensions from the DDR polyhedron.
2548 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2550         * graphite-dependences.c (pddr_transformed_scattering): New.
2551         (dot_original_deps_stmt_1): New.
2552         (dot_transformed_deps_stmt_1): New.
2553         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2554         dot_transformed_deps_stmt_1.
2555         (dot_original_deps): New.
2556         (dot_transformed_deps): New.
2557         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2559 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2561         * graphite-dependences.c (reduction_dr_1): Remove wrong
2562         assert: reduction BBs can have multiple reduction writes
2563         to memory.  interchange-3.f90 is an example.
2565 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2567         * gfortran.dg/graphite/interchange-3.f90: New.
2569 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2571         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2573 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2575         * graphite-dependences.c (dependence_polyhedron_1): Add the
2576         context to the dependence polyhedron.
2578 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2580         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2581         PBB_PDR_DUPLICATES_REMOVED.
2582         (new_poly_bb): Same.
2584 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2586         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2587         SCOP_CONTEXT.
2588         (build_loop_iteration_domains): Extract bounds on parameters
2589         based on the data size.
2590         (build_scop_context): Do not initialize SCOP_CONTEXT;
2591         add new constraints.
2593 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2595         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2596         * graphite-ppl.h (graphite-ppl.h): Declared.
2598 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2600         * graphite-ppl.c (ppl_print_linear_expr): New.
2601         (debug_ppl_linear_expr): New.
2602         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2603         (debug_ppl_linear_expr): Declared.
2605 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2607         * graphite-interchange.c: Fix comments.
2608         * gcc.dg/graphite/block-1.c: Fix comments.
2610 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2612         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2613         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2615 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2617         Reapply the patch from Alexander Monakov that disappeared during
2618         the last merges from trunk.
2620         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2622         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2623         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2625 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2627         * graphite-interchange.c (memory_stride_in_loop): The depth
2628         argument corresponds to a dynamic time dimension, so use
2629         psct_dynamic_dim to refer to the transformed scattering dimension.
2631 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2633         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2635 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2637         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2638         root of the LST.
2639         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2640         the root of the LST.
2641         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2642         fake loop.
2643         (print_lst): Print the root of LST in a different format.
2644         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2646 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2648         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2650 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2652         * doc/passes.texi: Document the Graphite infrastructure.
2654 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2656         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2657         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2658         and check the SSA representation.
2660         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2662 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2664         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2666 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2668         * gcc.dg/graphite/interchange-11.c: New.
2670 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2672         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2674 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2676         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2677         Add -fno-loop-strip-mine and -fno-loop-interchange.
2678         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2679         -fno-loop-strip-mine.
2680         * gfortran.dg/graphite/graphite.exp: Same.
2682 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2684         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2685         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2686         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2687         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2688         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2689         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2690         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2691         DEFAULT_FLAGS_GRAPHITE_SCOP.
2692         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2693         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2695 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2697         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2699 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2700             Sebastian Pop  <sebastian.pop@amd.com>
2702         * graphite-interchange.c (build_linearized_memory_access): Pass an
2703         offset as parameter.
2704         (memory_stride_in_loop): Include transform scattering in the
2705         access functions to be able to querry the strides in the
2706         transformed loops.
2707         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2708         not the psct_iterator_dim.
2710 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2712         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2713         (lst_do_strip_mine_loop): New.
2714         (lst_do_strip_mine): New.
2715         (scop_do_strip_mine): Call lst_do_strip_mine.
2716         * graphite-poly.h (lst_add_loop_under_loop): New.
2717         (lst_find_first_pbb): New.
2719 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2721         * graphite-poly.c (loop_to_lst): Fix LST creation.
2723 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2725         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2726         sizeof(unsigned long) to make it run on 32bit systems.
2728 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2730         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2731         SEGFAULT on 32bit.
2733 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2735         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2736         Comment.
2737         (write_alias_graph_to_ascii_dot): New.
2738         (write_alias_graph_to_ascii_ecc): Ditto.
2739         (partition_drs_to_sets): Add testing of optimality of current method
2740         which assigns alias numbers according to DFS Comopnent number.  used
2741         as heuristic for the upcoming ECC algorithm.
2742         (build_scop_drs): Write to file also with the ecc and dot format.
2744 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2746         * gfortran.dg/graphite/interchange-1.f: XFail.
2748 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2750         * graphite.c (graphite_initialize): Do not handle functions with
2751         more than 100 basic blocks.
2753 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2755         * graphite-blocking.c (pbb_do_strip_mine): Use
2756         PARAM_LOOP_BLOCK_TILE_SIZE.
2758 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2760         * graphite-poly.c (dot_lst_1): New.
2761         (dot_lst): New.
2762         * graphite-poly.h (dot_lst): Declared.
2764 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2766         * graphite-dependences.c (dot_deps_stmt_1): New.
2767         (dot_deps_stmt): New.
2768         * graphite-dependences.h (dot_deps_stmt): Declared.
2770 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2772         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2773         not replace cross BB scalar dependences ending on PHI nodes.
2774         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2776 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2778         * graphite-poly.c (apply_poly_transforms): Implement the high
2779         level driver for flag_loop_block.
2780         * opts.c (decode_options): Enable flag_loop_block at -O2.
2781         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2782         flag_loop_block.
2784         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2785         -floop-block.
2786         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2787         Add -floop-block.
2789 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2791         * graphite-poly.h (lst_find_pbb): New.
2792         (find_lst_loop): New.
2794 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2796         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2797         * graphite-poly.h (struct scop): Remove dep_graph field.
2798         (SCOP_DEP_GRAPH): Removed.
2800 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2802         * graphite-poly.h (copy_lst): Do full copy of LST.
2804 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2806         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2807         when the loop stride is zero.
2809         * gcc.dg/graphite/id-16.c: New.
2811 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2813         * graphite-dependences.c (reduction_dr_1): New.
2814         (reduction_dr_p): New.
2815         (graphite_legal_transform_dr): Call reduction_dr_p.
2816         (reduction_ddr): Renamed reduction_ddr_p.
2817         * graphite-poly.h (same_pdr_p): New.
2818         (number_of_write_pdrs): New.
2819         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2820         (split_reduction_stmt): Do not split reduction statements
2821         when there are no writes to memory.
2822         (translate_scalar_reduction_to_array_for_stmt): Insert the
2823         memory reduction statement just after the scalar reduction statement.
2825         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2826         Un-XFAIL-ed.
2827         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2828         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2830 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2832         * graphite-interchange.c (lst_apply_interchange): New.
2833         (lst_interchange_profitable_p): New.
2834         (lst_try_interchange_loops): New.
2835         (lst_try_interchange): New.
2836         (lst_do_interchange): New.
2837         (pbb_do_interchange): Removed.
2838         (scop_do_interchange): Call lst_do_interchange.
2840 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2842         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2843         SCOP_TRANSFORMED_SCHEDULE.
2844         (loop_to_lst): New.
2845         (scop_to_lst): New.
2846         (print_lst): New.
2847         (debug_lst): New.
2848         * graphite-poly.h (lst_p): New.
2849         (struct lst): New.
2850         (LST_LOOP_P): New.
2851         (LST_LOOP_FATHER): New.
2852         (LST_PBB): New.
2853         (LST_SEQ): New.
2854         (scop_to_lst): Declared.
2855         (print_lst): Declared.
2856         (debug_lst): Declared.
2857         (new_lst_loop): New.
2858         (new_lst_stmt): New.
2859         (copy_lst): New.
2860         (lst_depth): New.
2861         (lst_dewey_number): New.
2862         (struct scop): Add original_schedule and transformed_schedule fields.
2863         (SCOP_ORIGINAL_SCHEDULE): New.
2864         (SCOP_TRANSFORMED_SCHEDULE): New.
2865         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2867 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2869         * graphite-dependences.c (reduction_ddr): New.
2870         (graphite_legal_transform_bb): Call reduction_ddr.
2871         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2872         Initialize PBB_IS_REDUCTION.
2873         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2874         (PBB_IS_REDUCTION): New.
2875         (new_poly_bb): Update declaration.
2876         * graphite-scop-detection.h (build_scop_bbs): Removed.
2877         (nb_reductions_in_loop): Removed.
2878         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2879         parameter for reductions.
2880         (try_generate_gimple_bb): Update call to new_poly_bb.
2881         (build_scop_bbs_1): Same.
2882         (build_scop_bbs): Same.
2883         (gsi_for_phi_node): New.
2884         (scalar_close_phi_node_p): Remove gcc_assert.
2885         (split_reduction_stmt): New.
2886         (is_reduction_operation_p): New.
2887         (phi_contains_arg): New.
2888         (follow_ssa_with_commutative_ops): New.
2889         (detect_commutative_reduction_arg): New.
2890         (detect_commutative_reduction_assign): New.
2891         (follow_inital_value_to_phi): New.
2892         (edge_initial_value_for_loop_phi): New.
2893         (initial_value_for_loop_phi): New.
2894         (detect_commutative_reduction): New.
2895         (translate_scalar_reduction_to_array_for_stmt): New.
2896         (insert_copyout): New.
2897         (insert_copyin): New.
2898         (translate_scalar_reduction_to_array): New.
2899         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2900         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2901         (rewrite_commutative_reductions_out_of_ssa): New.
2902         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2903         * sese.h (split_region_for_bb): New.
2905         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2906         * gcc.dg/graphite/interchange-1.c: Fix format.
2907         * gcc.dg/graphite/interchange-10.c: New.
2909 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2911         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2912         buggy assert.
2914 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2916         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2917         (rewrite_cross_bb_scalar_dependence): New.
2918         (rewrite_cross_bb_scalar_deps): New.
2919         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2920         Call rewrite_cross_bb_scalar_deps.
2922 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2924         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2925         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2926         gsi_for_stmt.
2928 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2930         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2931         * graphite-interchange.c (pbb_do_interchange): Same.
2932         * graphite-poly.c (print_scattering_function): Same.
2933         (debug_pdrs): Same.
2934         * graphite-poly.h (pbb_loop): New.
2935         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2937 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2939         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2941 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2943         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2944         so don't pass a pointer to it.
2945         (build_alias_set_for_drs): Same.
2946         (build_base_obj_set_for_drs): Same.
2947         (build_scop_drs): Same.
2949 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2951         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2952         the alias graph of data references.
2954 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2956         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2957         (build_scop_drs): When debugging, write the alias graph to file,
2958         otherwise, should be disabled.
2960 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2962         * Merge from mainline (151310:151361).
2964 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2966         * Merge from mainline (151171:151310).
2968 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2970         * Merge from mainline (151171:151806).
2972 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2974         * Revert the last commit.
2976 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2978         * Merge from mainline (151171:151819).
2980 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2982         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2983         (is_simple_operand): Remove call to stmt_simple_memref_p.
2984         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2986 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2988         * gcc.dg/graphite/interchange-mvt.c: New File.
2989         * gcc.dg/graphite/scop-dsyrk.c: New File.
2990         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2991         * gcc.dg/graphite/scop-mvt.c: New File.
2992         * gcc.dg/graphite/scop-sor.c: New File.
2994 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2996         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2997         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2998         (graphite_carried_dependence_level_k): Ditto.
2999         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3000         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3001         (new_poly_dr): Adjust declaration.
3002         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3003         (free_gimple_bb): Added free_data_refs_aux.
3004         (build_poly_dr): Add dr_base_object_set.
3005         (partition_drs_to_sets): New.
3006         (dr_same_base_object_p): New.
3007         (build_alias_set_for_drs): New.
3008         (build_base_object_set_for_drs): New.
3009         (build_scop_drs): Add build_base_obj_set_for_drs.
3010         * graphite-sese-to-poly.h: Added #define for alias set number index and
3011         base object set index.
3012         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3013         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3015 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3017         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3018         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3020 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3022         * graphite-sese-to-poly.c (struct irp_data): Removed.
3023         (idx_record_params): Removed.
3024         (find_params_in_bb): Scan for parameters the access functions; don't
3025         parse the tree representation.
3027 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3029         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3030         passes at -O1 and below.
3032 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3034         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3035         tree-scalar-evolution.h, and then tree-data-ref.h.
3036         * graphite-clast-to-gimple.c: Same.
3037         * graphite-dependences.c: Same.
3038         * graphite-interchange.c: Same.
3039         * graphite-poly.c: Same.
3040         * graphite-scop-detection.c: Same.
3041         * graphite-sese-to-poly.c: Same.
3042         * graphite.c: Same.
3043         * lambda-code.c: Same.
3044         * matrix-reorg.c: Same.
3045         * tree-data-ref.c: Same.
3046         * tree-if-conv.c: Same.
3047         * tree-loop-distribu: Same.: Same.
3048         * tree-loop-linear.c: Same.
3049         * tree-parloops.c: Same.
3050         * tree-predcom.c: Same.
3051         * tree-vect-patterns.c: Same.
3053 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3055         Partially revert the previous patch, except the following.
3056         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3057         as parameters the operands of the not expression.
3059 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3061         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3062         Do not call analyze_scalar_evolution on assignments.
3063         (instantiate_scev_phi): Call analyze_scalar_evolution.
3064         (instantiate_scev_name): Call instantiate_scev_assign and
3065         instantiate_scev_phi.
3066         (instantiate_scev_not): Adapted to pass as parameters the operands
3067         of the not expression.
3069 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3071         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3072         to pass as parameters the operands of the binary expression.
3074 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3076         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3077         instantiate_scev_not.  Handle NEGATE_EXPR.
3078         (instantiate_scev_r): Handle NEGATE_EXPR.
3080 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3082         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3083         instantiate_scev_r.
3084         (instantiate_scev_r): Move code in instantiate_scev_2
3085         and instantiate_scev_1.
3087 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3089         * tree-scalar-evolution.c (instantiate_scev_3): New.
3090         (instantiate_scev_1): Move code in instantiate_scev_3.
3092 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3094         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3095         (instantiate_scev_1): Move code in instantiate_scev_poly.
3097 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3099         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3100         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3102 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3104         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3105         (instantiate_scev_1): Move code in instantiate_scev_convert.
3107 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3109         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3110         (instantiate_scev_1): Move code in instantiate_scev_binary.
3112 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3114         * tree-scalar-evolution.c (instantiate_scev_name): New.
3115         (instantiate_scev_1): Move code in instantiate_scev_name.
3117 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3119         * Merge from mainline (150992:151171).
3121 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3123         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3125 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3127         * graphite-dependences.c (graphite_legal_transform_bb): Call
3128         pbb_remove_duplicate_pdrs.
3129         * graphite-poly.c (can_collapse_pdr): Removed.
3130         (pdr_find_duplicate): Removed.
3131         (can_collapse_pdrs): New.
3132         (pbb_remove_duplicate_pdrs): New.
3133         (new_poly_dr): Do not look for duplicates.
3134         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3135         (PBB_PDR_DUPLICATES_REMOVED): New.
3136         (pbb_remove_duplicate_pdrs): Declared.
3138 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3140         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3141         the strides by multiplying by PDR_NB_REFS.
3142         * graphite-poly.c (can_collapse_pdr): New.
3143         (pdr_find_duplicate): New.
3144         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3145         Initialize PDR_NB_REFS.
3146         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3147         (PDR_NB_REFS): New.
3148         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3150 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3152         Revert one of the previous commits:
3153         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3154         the computation of symmetric data dependence relations.
3155         (dependency_between_pbbs_p): Same.
3157 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3159         PR middle-end/40965
3160         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3161         any transform.
3163 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3165         * graphite-dependences.c (pddr_original_scattering): Return NULL
3166         for read-read dependence relations.
3167         * graphite-poly.h (enum poly_dr_type): Fix comment.
3168         (pdr_read_p): New.
3169         (pdr_write_p): New.
3170         (pdr_may_write_p): New.
3172 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3174         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3175         (struct poly_dr): Same.
3176         (new_poly_dr): Same.
3177         * graphite-poly.c (new_poly_dr): Same.
3179 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3180             Sebastian Pop  <sebastian.pop@amd.com>
3182         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3183         pbb_strip_mine_time_depth.  Changed the implementation so that
3184         transformation is expressed as a transformation on
3185         time (scatttering) dimensions.  Also, ensures that the 2d+1
3186         scheduling format is preserved.
3187         (pbb_strip_mine_profitable_p): Profitability is based on the
3188         iteration number of a given time (scattering) dimension,
3189         and not on a original loop depth dimension.
3190         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3191         (pbb_do_strip_mine): Call psct_dynamic_dim.
3192         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3193         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3194         (pbb_nb_dynamic_scattering_transform): New.
3195         (psct_dynamic_dim): New.
3197 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3199         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3200         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3201         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3202         * graphite-interchange.c (build_linearized_memory_access): Same.
3203         (memory_stride_in_loop): Same.
3205 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3207         * graphite-dependences.c (pddr_original_scattering): New.
3208         (graphite_legal_transform_dr): Call pddr_original_scattering.
3209         (dot_deps_1): New.
3210         (dot_deps): New.
3211         * graphite-dependences.h (dot_deps): Declared.
3212         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3213         (print_pdr): Print PDR_ID.
3214         * graphite-poly.h (struct poly_dr): Add field id.
3215         (PDR_ID): New.
3216         (pbb_index): New.
3217         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3219 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3221         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3222         not delete the original dependence relation.
3224 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3226         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3227         the computation of symmetric data dependence relations.
3228         (dependency_between_pbbs_p): Same.
3230 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3232         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3233         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3234         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3235         (free_poly_ddr): New.
3236         (pddr_is_empty): New.
3237         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3238         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3239         Remove fprintfs.
3240         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3241         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3242         * graphite-dependences.h (enum poly_dependence_kind): New.
3243         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3244         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3245         (PDRP_SINK): Renamed PDDR_SINK.
3246         (PDRP_DDP): Renamed PDDR_DDP.
3247         (PDDR_KIND): New.
3248         (free_poly_ddr): Declared.
3249         * graphite-poly.c (new_scop): Use the new hash function names.
3250         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3251         into original_pddrs.
3252         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3254 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3256         * Merge from mainline (150764:150992).
3258 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3260         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3261         bounds with LT_EXPR to make niter analysis more precise on code
3262         generated by Graphite.
3264 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3266         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3267         (graphite_legal_transform_bb): Same.
3268         (poly_drs_may_alias_p): Same.
3270 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3272         PR middle-end/40981
3273         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3274         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3276 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3278         * graphite-poly.c (print_pbb): Print PBB index.
3280 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3282         * Merge from mainline (r150672:150764).
3284 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3286         * graphite-interchange.c (ppl_max_for_le): Moved...
3287         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3288         * graphite-ppl.c (ppl_max_for_le): ... here.
3289         * graphite-ppl.h (ppl_max_for_le): Declared.
3291 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3293         * Merge from mainline (r150372:150672).
3295 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3297         PR middle-end/40980
3298         * sese.c (convert_for_phi_arg): New.
3299         (add_guard_exit_phis): Use convert_for_phi_arg.
3301         * gfortran.dg/graphite/id-17.f: New.
3303 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3305         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3306         unknown subscript upper bounds.
3308         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3310 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3311             Pranav Garg  <pranav.garg2107@gmail.com>
3313         * graphite-interchange.c (gather_access_strides): Removed.
3314         (ppl_max_for_le): New.
3315         (build_linearized_memory_access): New.
3316         (memory_stride_in_loop): New.
3317         (pbb_interchange_profitable_p): Reimplemented.
3318         * graphite-ppl.h (ppl_new_id_map): New.
3319         (ppl_interchange): New.
3321         * gcc.dg/graphite/interchange-6.c: XFAILed.
3323 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3325         * graphite-interchange.c (compute_subscript): Removed.
3326         (compute_array_size_cstr): Removed.
3327         (compute_array_size_poly): Removed.
3328         (compute_array_size): Removed.
3329         (gather_access_strides_poly): Removed.
3330         (gather_access_strides): Empty.
3332 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3334         * graphite-dependences.c (dependence_polyhedron_1): Replace
3335         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3336         (graphite_legal_transform_dr): Same.
3337         (graphite_carried_dependence_level_k): Same.
3338         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3339         Initialize PDR_NB_SUBSCRIPTS.
3340         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3341         PDR_NB_SUBSCRIPTS.
3342         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3343         (PDR_NB_SUBSCRIPTS): New.
3344         (pdr_nb_subscripts): Removed.
3345         (pdr_dim): Simplified.
3346         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3347         with PDR_NB_SUBSCRIPTS.
3349 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3351         * graphite-interchange.c (compute_array_size): Remove use of
3352         PDR_DATA_CONTAINER.
3353         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3354         Do not initialize PDR_DATA_CONTAINER.
3355         (print_pdr): Do not print PDR_DATA_CONTAINER.
3356         * graphite-poly.h (struct poly_dr): Remove data_container field.
3357         (PDR_DATA_CONTAINER): Removed.
3358         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3359         PDR_DATA_CONTAINER.
3360         (build_poly_dr): Same.
3362 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3364         * gcc.dg/graphite/interchange-9.c: New.
3366 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3367             Sebastian Pop  <sebastian.pop@amd.com>
3369         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3370         copy of the dependence polyhedron.  Free the temporary objects.
3371         (graphite_carried_dependence_level_k): Free unused objects before
3372         returning.
3374         * gcc.dg/graphite/interchange-1.c: XFAILed.
3375         * gcc.dg/graphite/interchange-2.c: XFAILed.
3376         * gcc.dg/graphite/interchange-3.c: XFAILed.
3377         * gcc.dg/graphite/interchange-4.c: XFAILed.
3378         * gcc.dg/graphite/interchange-7.c: XFAILed.
3380 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3382         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3383         Early return without analyzing the data dependences if no
3384         transform has been done.  Call restore_scattering if the transform
3385         is not legal.
3386         (graphite-interchange.c): Same.
3387         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3388         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3389         (apply_poly_transforms): Do not gcc_assert that
3390         the transform is legal.
3391         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3392         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3393         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3394         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3395         * graphite-poly.h (struct poly_scattering): New.
3396         (struct poly_bb): Add original, transformed, and saved fields.
3397         Remove transformed_scattering, original_scattering, nb_local_variables,
3398         and nb_scattering_transform fields.
3399         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3400         (poly_scattering_new): New.
3401         (poly_scattering_free): New.
3402         (poly_scattering_copy): New.
3403         (store_scattering_pbb): New.
3404         (store_scattering): New.
3405         (restore_scattering_pbb): New.
3406         (restore_scattering): New.
3407         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3408         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3410 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3412         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3413         (print_scop): Same.
3415 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3417         * Makefile.in (graphite.o): Depends on PREDICT_H.
3418         * graphite.c: Include predict.h.
3419         (graphite_finalize): Call tree_estimate_probability.
3420         * predict.c (predict_loops): Do not call scev_initialize and
3421         scev_finalize.
3422         (tree_estimate_probability_bb): New.
3423         (tree_estimate_probability): Do not initialize loops: move that
3424         code to the driver.  Call tree_estimate_probability_bb.
3425         (tree_estimate_probability_driver): New.
3426         (pass_profile): Use tree_estimate_probability_driver.
3427         * predict.h (tree_estimate_probability): Declared.
3429 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3431         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3432         * graphite-dependences.c (graphite_legal_transform): Add time to
3433         TV_GRAPHITE_DATA_DEPS.
3434         (dependency_between_pbbs_p): Same.
3435         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3437 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3439         * Merge from mainline (r149952:150372).
3441 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3443         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3444         * graphite-blocking.c: Same.
3445         * graphite-clast-to-gimple.c: Same.
3446         * graphite-dependences.c: Same.
3447         * graphite-poly.c: Same.
3448         * graphite-poly.h: Same.
3449         * graphite-ppl.c: Same.
3450         * graphite-scop-detection.c: Same.
3451         * graphite-sese-to-poly.c: Same.
3452         * graphite.c: Same.
3454 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3456         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3457         (remove_simple_copy_phi): New.
3458         (remove_invariant_phi): New.
3459         (simple_copy_phi_p): New.
3460         (reduction_phi_p): New.
3461         (gsi_for_ssa_name_def): New.
3462         (insert_out_of_ssa_copy): New.
3463         (insert_out_of_ssa_copy_on_edge): New.
3464         (create_zero_dim_array): New.
3465         (scalar_close_phi_node_p): New.
3466         (rewrite_close_phi_out_of_ssa): New.
3467         (rewrite_phi_out_of_ssa): New.
3468         (rewrite_reductions_out_of_ssa): New.
3469         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3471         * gcc.dg/graphite/id-11.c: New.
3472         * gcc.dg/graphite/id-15.c: New.
3473         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3474         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3475         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3476         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3477         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3478         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3479         * gfortran.dg/graphite/id-13.f: New.
3480         * gfortran.dg/graphite/id-5.f: New.
3482 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3484         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3485         check that nb_reductions_in_loop is zero.
3486         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3487         reduction phi nodes.
3488         (nb_reductions_in_loop): Removed.
3489         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3490         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3491         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3492         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3493         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3495 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3497         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3498         statements that have an empty iteration domain.
3499         * gfortran.dg/graphite/id-16.f: New.
3501 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3503         * tree-scalar-evolution.c (instantiate_scev_1): Return
3504         chrec_dont_know when the result is not above instantiate_below.
3505         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3506         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3507         the tree has a known scalar evolution.
3508         * gfortran.dg/graphite/id-14.f: New.
3509         * gfortran.dg/graphite/id-15.f: New.
3511 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3513         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3514         insert_gsi.
3515         (rename_variables): Keep inserting renames after the ones already
3516         inserted.
3518 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3520         * graphite-sese-to-poly.c (compare_bb_depths): New.
3521         (graphite_sort_dominated_info): New.
3522         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3523         (build_scop_scattering): Fix comment.
3525 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3527         * graphite.c (graphite_finalize): Call print_loops instead of
3528         dump_function_to_file.
3529         * gcc.dg/graphite/graphite.exp: Fix formatting.
3530         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3531         loops generated in the graphite output file.
3532         * gcc.dg/graphite/pr35356-2.c: New.
3533         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3534         * gfortran.dg/graphite/id-12.f: New.
3536 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3538         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3539         Remove 2 XFAIL.
3541 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3542             Tobias Grosser  <grosser@fim.uni-passau.de>
3544         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3545         alias set number build alias in ACCESSES polyhedron.
3546         (build_alias_set_for_drs): New.
3547         (build_pbb_drs): Added build_alias_set_for_drs.
3548         * graphite-dependences.c (poly_drs_may_alias_p): New.
3549         (graphite_carried_dependence_level_k): Check alias information
3550         before building polyhedron.
3552 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3554         * Makefile.in (lambda-code.o): Fix formatting.
3556 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3558         * Merge from mainline (r149350-149952)
3560 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3562         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3563         before interchange to prepare for loop blocking.
3565 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3567         * graphite-poly.c (apply_poly_transforms): Add checks after every
3568         transformation.
3569         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3570         done in apply_poly_transforms.
3572 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3574         * graphite-dependences.c (build_lexicographically_gt_constraint):
3575         Replace RES parameter with *RES.
3576         (dependence_polyhedron_1): Pass an address of the parameter RES
3577         instead of value of RES.
3579 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3581         * graphite.c (graphite_finalize): Fix comment.
3582         (graphite_transform_loops): Reset scev info after code generation
3583         of each scop.
3585 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3587         * graphite.c (graphite_finalize): Call scev_reset.
3589 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3591         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3592         GBB_CLOOG_IV_TYPES hash table twice.
3593         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3594         (add_condition_to_domain): Clear GMP values.
3596 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3598         * graphite-dependences.c: Fix formatting.
3599         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3600         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3601         * graphite-sese-to-poly.c: Fix formatting.
3602         * graphite.c (graphite_transform_loops): Create the hash table
3603         after the early return.
3605 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3607         * gcc.dg/graphite/id-14.c: New.
3608         * gcc.dg/graphite/pr40157.c: New.
3609         * gfortran.dg/graphite/id-11.f: New.
3611 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3613         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3614         (build_poly_scop): Return false when there are no pbbs within
3615         loops to avoid to pass to cloog scops with no loops.
3617 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3619         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3620         useless test "i % 2".
3621         (build_pbb_scattering_polyhedrons): Fix formatting.
3622         (build_poly_dr): Same.
3623         * graphite.c (graphite_transform_loops): Restructure.
3625 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3627         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3628         reduction_list parameter.
3629         (rewrite_all_phi_nodes_with_iv): Same.
3630         (canonicalize_loop_ivs): Same.
3631         * tree-parloops.c (struct brli): Removed.
3632         (build_reduction_list_info): Removed.
3633         (build_new_reduction): New.
3634         (analyze_reduction_list): Removed.
3635         (gather_scalar_reductions): Find reductions instead of phi
3636         nodes that can't be canonicalized.
3637         (try_create_reduction_list): Remove reduction_list parameter.
3638         (gen_parallel_loop): Same.
3639         (parallelize_loops): Remove analyze_reductions variable,
3640         initialization and free.
3641         Change reduction_list htab initialization to reduction_info
3642         elements instead of ssa names.
3643         Call try_create_reduction_list and gen_parallel_loop without
3644         analyzed_reduction argument.
3645         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3646         canonicalize_loop_ivs with one less argument.
3647         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3649 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3651         * graphite-dependences.c (new_poly_dr_pair): New.
3652         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3653         (new_poly_dr_pair): New.
3654         (eq_poly_dr_pair_p): New.
3655         (hash_poly_dr_pair_p): New.
3656         * graphite-dependences.h (struct poly_dr_pair): New.
3657         (eq_poly_dr_pair_p): Declared.
3658         (hash_poly_dr_pair_p): Declared.
3659         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3660         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3661         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3662         * Makefile.in (graphite-poly.o): Add dependence on
3663         graphite-dependences.h.
3665 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3667         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3668         polynomials of degree > 1 pass to Graphite.
3669         * tree-chrec.c (scev_is_linear_expression): Call
3670         evolution_function_is_affine_multivariate_p.
3671         * gfortran.dg/graphite/id-10.f90: New.
3673 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3675         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3676         Instantiate scevs varying in outer loops.
3677         * gfortran.dg/graphite/id-9.f: Correct testcase.
3679 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3681         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3682         redundant constraint.
3684 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3686         * gcc.dg/graphite/graphite.exp: Fix comments.
3687         * gfortran.dg/graphite/graphite.exp: Trigger actions
3688         based on the file names as in the C testsuite.
3689         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3690         * gfortran.dg/graphite/block-2.f: Same.
3691         * gfortran.dg/graphite/block-3.f90: Same.
3692         * gfortran.dg/graphite/block-4.f90: Same.
3693         * gfortran.dg/graphite/id-1.f90: Same.
3694         * gfortran.dg/graphite/id-2.f90: Same.
3695         * gfortran.dg/graphite/id-3.f90: Same.
3696         * gfortran.dg/graphite/id-4.f90: Same.
3697         * gfortran.dg/graphite/id-6.f: Same.
3698         * gfortran.dg/graphite/id-9.f: Same.
3699         * gfortran.dg/graphite/interchange-1.f: Same.
3700         * gfortran.dg/graphite/interchange-2.f: Same.
3701         * gfortran.dg/graphite/scop-1.f: Same.
3703 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3705         * sese.c (expand_scalar_variables_call): New.
3706         (expand_scalar_variables_ssa_name): Handle calls in expander.
3708 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3710         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3711         Expect to see the pattern twice.
3712         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3713         * gcc.dg/graphite/interchange-5.c: Same.
3714         * gcc.dg/graphite/interchange-6.c: Same.
3716 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3718         * gcc.dg/graphite/id-10.c: New.
3719         * gcc.dg/graphite/id-12.c: New.
3720         * gfortran.dg/graphite/id-7.f: New.
3721         * gfortran.dg/graphite/id-8.f: New.
3723 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3725         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3726         zero.
3728 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3730         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3732 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3734         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3736 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3738         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3739         building PDR subscripts.
3741 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3743         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3744         computation of array sizes.
3746 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3748         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3750 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3752         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3753         build_pairwise_constraint, dr_equality_constraints,
3754         build_pairwise_scheduling_equality,
3755         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3756         build_lexicographically_gt_constraint, dependence_polyhedron,
3757         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3758         Move from NNC_Polyhedron to C_Polyhedron.
3759         * graphite-interchange.c (compute_array_size_poly,
3760         gather_access_strides): Dito.
3761         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3762         free_scop, pbb_number_of_iterations): Dito.
3763         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3764         pbb_dim_iter_domain, struct scop): Dito.
3765         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3766         new_Cloog_Domain_from_ppl_Polyhedron,
3767         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3768         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3769         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3770         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3771         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3772         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3773         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3774         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3775         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3776         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3777         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3778         build_scop_iteration_domain, build_poly_dr): Dito
3780 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3782         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3783         run-id-*.c files.
3784         * gcc.dg/graphite/run-id-1.c: New.
3786 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3788         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3789         positivity constraint on the symbolic number of iterations.
3791 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3793         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3795 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3796             Tobias Grosser  <grosser@fim.uni-passau.de>
3798         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3799         (build_cloog_prog): Directly use SCOP_CONTEXT.
3800         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3801         (free_scop): Free SCOP_CONTEXT.
3802         (print_scop_context): New.
3803         (print_scop): Call print_scop_context.
3804         (debug_scop_context): New.
3805         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3806         (struct scop): Added field context.
3807         (SCOP_CONTEXT): New.
3808         * graphite-sese-to-poly.c (add_param_constraints): New.
3809         (build_scop_context): New.
3810         (build_poly_scop): Call build_scop_context.
3812 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3814         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3815         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3816         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3817         * graphite-ppl.h: Include double-int.h and tree.h.
3818         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3819         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3820         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3821         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3823 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3825         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3826         POINTER_PLUS_EXPR for pointer types.
3827         (clast_to_gcc_expression): Same.
3829 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3831         * graphite-poly.c (print_scattering_function): Early return when
3832         PBB_TRANSFORMED_SCATTERING is not initialized.
3833         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3835 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3837         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3838         to fix bootstrap.
3840 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3842         * tree-parloops.c (analyze_reduction_list): Change return
3843         value to void.
3844         (try_create_reduction_list): Move the call to
3845         analyze_reduction_list to the beginining.
3846         Call reduction_phi with analyzed_reductions as argument
3847         instead of reduction_list.
3849 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3851         *  Merge from mainline (r148296:149346)
3853 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3855         * graphite-scop-detection.c (graphite_can_represent_init): New.
3856         (graphite_can_represent_scev): Call graphite_can_represent_init:
3857         check that the initial value does not contain multiplications of
3858         parameters.
3859         (stmt_has_simple_data_refs_p): New.
3860         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3861         (is_simple_operand): Fix formatting.
3862         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3864 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3866         * gcc.dg/graphite/id-13.c: New.
3867         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3868         analyze_scalar_evolution, use scalar_evolution_in_region.
3869         (scan_tree_for_params_right_scev): Add extra assert.
3870         (parameter_index_in_region_1): Split from parameter_index_in_region.
3871         (idx_record_params): Use scalar_evolution_in_region.
3872         (find_params_in_bb): Same.
3873         (find_scop_parameters): Same.
3874         (build_loop_iteration_domains): Same.
3875         (create_linear_expr_from_tree): Same.
3876         * sese.c (scalar_evolution_in_region): New.
3877         * sese.h (scalar_evolution_in_region): Declared.
3878         (defined_in_sese_p): New.
3879         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3880         static anymore.
3881         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3882         Declared.
3884 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3886         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3887         TREE_DATA_REF_H also implies SCEV_H.
3889 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3891         * graphite-poly.c (print_scop_params): New.
3892         (print_scop): Call print_scop_params.
3893         (debug_scop_params): New.
3894         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3896 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3898         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3899         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3900         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3901         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3902         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3903         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3905 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3907         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3908         for dependency checking part.
3909         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3910         tests for dependency checking.
3911         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3912         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3913         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3914         flag -fdump-tree-graphite-all for autopar testsuites.
3916 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3918         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3919         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3920         canonicalize_loop_ivs): Moved...
3921         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3923 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3925         * tree-parloops.c (try_create_reduction_list): Pass an extra
3926         argument analyzed_reductions.  Call analyze_reduction_list.
3927         (gen_parallel_loop): Do not call analyze_reduction_list.
3928         (parallelize_loops): Init and finalize analyzed_reductions.
3930 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3932         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3933         Added flag -fno-loop-strip-mine for autopar testcase.
3935 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3937         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3938         transformed scattering dimension instead of unmatch orignal when
3939         calling dependence_polyhedron.
3941 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3943         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3945 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3947         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3948         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3950 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3952         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3953         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3954         * graphite-poly.c (pbb_number_of_iterations): New.
3955         * graphite-poly.h (pbb_number_of_iterations): Declared.
3956         (pbb_iterator_dim, pbb_parameter_dim): New.
3958 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3960         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3961         last commit on type of lower and upper bound of loops.
3963 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3965         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3966         graphite-dependences.h.
3967         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3968         (mark_bb_with_pbb): New.
3969         (get_stmtfor_depth): New.
3970         (find_pbb_via_hash): New.
3971         (dependency_in_loop_p): New.
3972         (mark_loops_parallel): New.
3973         (free_aux_in_new_loops): New.
3974         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3975         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3976         innermost loop parallel without checking.
3977         (gloog): Add parameter BB_PBB_MAPPING.
3978         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3979         (gloog): Change declaration.
3980         (mark_loop_parallel): Make extern.
3981         (free_aux_in_new_loops): Declare.
3982         (bb_pbb_map_hash): New.
3983         (eq_bb_pbb_map): New.
3984         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3985         auto parallelization when flag_graphite_force_parallel is set.
3986         (graphite_finalize): Added free_aux_in_new_loops.
3987         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3988         the innermost loop that marked parallel.  Use
3989         flag_graphite_force_parallel instead of loop->can_be_parallel.
3990         (loop_parallel_p): Move inner most checking out of function.
3992 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3994         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3995         type of lower and upper bound of loops signed long int.
3997 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3999         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4000         expression outside the loop.
4002 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4004         * gcc.dg/graphite/interchange-8.c: New.
4006 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4008         * gcc.dg/graphite/interchange-0.c: XFailed.
4009         * gcc.dg/graphite/interchange-5.c: XFailed.
4010         * gcc.dg/graphite/interchange-6.c: XFailed.
4012 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4014         * graphite-interchange.c (compute_array_size_poly): The end of the
4015         recursion should return 1.
4017 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4019         * graphite-interchange.c (compute_array_size_cstr): Allow the
4020         subscript multiplier to be -1.
4021         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4022         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4023         data_container.  Initializes PDR_DATA_CONTAINER.
4024         (print_pdr_access_layout): New.
4025         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4026         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4027         data_container.
4028         (PDR_DATA_CONTAINER): New.
4029         (new_poly_dr): Update declaration.
4030         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4031         (build_poly_dr): Call pdr_add_data_dimensions.
4033 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4035         * graphite-poly.h (struct poly_dr): Fix comment.
4036         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4037         (pdr_add_memory_accesses): New.
4038         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4040 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4042         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4043         (print_pbb): Add call to print_pdrs.
4044         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4046 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4047             Li Feng <nemokingdom@gmail.com>
4049         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4050         (dependency_between_pbbs_p): New.
4051         (lexicographically_gt_p): Assure !empty_p before polyhedron
4052         intersection assign.
4053         (build_lexicographically_gt_constraint): Correct lexicographically
4054         judging.
4055         * graphite-dependences.h: New.
4056         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4058 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4060         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4061         (gloog): Print to dump_file the generated clast.
4062         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4063         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4065 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4067         * graphite-poly.c (extend_scattering): Increment
4068         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4070 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4072         * graphite-interchange.c (compute_array_size_poly): Added exit of
4073         recursion condition.  Continue iterating even after the first equality.
4074         (compute_array_size): Same.
4076 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4078         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4079         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4080         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4081         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4082         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4084 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4086         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4087         only when the use verifies is_gimple_reg.
4089 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4091         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4092         Allocate scaldims after call to unify_scattering_dimensions.
4094 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4096         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4098 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4099             Albert Cohen  <albert.cohen@inria.fr>
4101         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4102         variables for the strip mining.
4104 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4105             Pranav Garg  <pranav.garg2107@gmail.com>
4107         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4108         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4109         (graphite-blocking.o): New rule.
4110         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4111         * graphite-blocking.c: New.
4112         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4113         flag_loop_strip_mine.
4114         (psct_scattering_dim_for_loop_depth): New.
4115         * graphite-poly.h (scop_do_strip_mine): Declared.
4116         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4117         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4118         flag_loop_strip_mine.
4120 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4122         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4123         a GMP value and a PPL coefficient at each iteration of a loop.
4125 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4127         * graphite-dependences.c (dependence_polyhedron): Do not use
4128         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4129         pbb_nb_scattering_transform.
4130         (graphite_legal_transform_dr): Same.
4131         * graphite-poly.c (extend_scattering): Same.
4132         (unify_scattering_dimensions): Same.
4133         (print_scattering_function): Same.
4134         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4135         PBB_NB_LOCAL_VARIABLES.
4136         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4137         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4138         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4139         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4140         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4141         (pbb_nb_scattering_transform): New.
4142         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4143         (psco_scattering_dim): Add assert on parameters.
4144         (psct_scattering_dim): Same.
4145         (psct_scattering_dim_for_loop_depth): Declared.
4146         (psct_local_var_dim): New.
4147         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4148         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4149         correct layout, call pbb_nb_local_vars.
4150         (psct_add_local_variable, psct_add_scattering_dimension): New.
4151         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4152         Initialize PBB_NB_SCATTERING_TRANSFORM.
4154 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4156         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4157         (set_coef): Renamed ppl_set_coef.
4158         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4160 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4162         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4163         test a boolean against 1.
4164         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4165         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4166         (pbb_do_interchange): Returns true when a transform has been performed.
4167         (scop_do_interchange): Same.
4168         * graphite-poly.c (apply_poly_transforms): Use the return value of
4169         scop_do_interchange.
4170         * graphite-poly.h (scop_do_interchange): Update declaration.
4172 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4174         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4175         after last use.
4176         * sese.c (sese_reset_aux_in_loops): New.
4177         * sese.h (sese_reset_aux_in_loops): New.
4179 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4181         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4182         multiplier and multiply the constant by the multiplier.
4183         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4184         (build_poly_dr): Do not use the multiplier to define the subscript.
4186 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4188         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4189         compiler's data reference.  Initialize PDR_CDR.
4190         (print_pdr): Call dump_data_reference.
4191         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4192         Add compiler_dr field.
4193         (PDR_BB): Renamed PDR_PBB.
4194         (PDR_CDR): New.
4195         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4196         GCC's data reference representation.
4197         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4198         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4200 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4202         * graphite-poly.c (print_scattering_function): Also print the layout.
4203         * graphite-poly.h (pbb_nb_local_vars): New.
4205 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4207         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4209 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4211         * graphite-poly.c (print_pdr, debug_pdr): New.
4212         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4213         (PDR_BASE): Removed.
4215 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4217         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4218         ltrans-{1..6,8}.c.
4220 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4222         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4223         subscript identification column.
4224         (pbb_do_interchange): Print to dump_file that some loops "will be
4225         interchanged".  Rely on that chain of characters in the testcases.
4226         * gcc.dg/graphite/interchange-0.c: New.
4227         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4228         interchange-*.c files and compile them with -floop-interchange.
4230 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4232         * graphite-interchange.c (interchange_profitable_p): Renamed
4233         pbb_interchange_profitable_p.
4235 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4236             Harsha Jagasia  <harsha.jagasia@amd.com>
4237             Pranav Garg  <pranav.garg2107@gmail.com>
4239         * graphite-interchange.c (interchange_profitable_p): Make static.
4240         (pbb_interchange_loop_depths, pbb_do_interchange,
4241         scop_do_interchange): New.
4242         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4243         for flag_loop_interchange.
4244         * graphite-poly.h (scop_do_interchange): Declared.
4245         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4246         flag_loop_interchange is used.
4248 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4250         * graphite-dependences.c (dependence_polyhedron): Update use of
4251         pbb_nb_scattering_dims.
4252         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4253         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4254         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4255         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4257 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4259         * graphite.c: Cleanup foo.
4261 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4263         * Merge from mainline (r143684:148293).
4264         * Disabled libpcp until it gets fixed.
4266 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4267             Harsha Jagasia  <harsha.jagasia@amd.com>
4269         * graphite-interchange.c: New.
4270         * Makefile.in (graphite-interchange.o): New.
4271         * graphite-poly.h (interchange_profitable_p): Declared.
4272         * graphite-ppl.h (value_max): New.
4274 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4276         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4277         * graphite-poly.h: Fix some comments.
4278         (pdr_dim): New.
4279         (pdr_scop): New.
4281 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4283         * graphite-poly.h
4284         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4285         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4286         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4287         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4288         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4289         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4290         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4291         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4292         * graphite-clast-to-gimple.c: Same.
4293         * graphite-dependences.c: Same.
4294         * graphite-poly.c: Same.
4295         * graphite-sese-to-poly.c: Same.
4297 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4299         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4300         expressions for an IV rename, as returned by clast_to_gcc_expression.
4301         (copy_renames): Rename new_name to expr.
4302         * sese.c (debug_rename_elt): Same.
4303         (get_rename): Same.
4304         (set_rename): Same.
4305         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4306         the information from the rename map.
4307         (rename_variables_in_stmt): Same.
4308         (add_loop_exit_phis): Rename new_name to expr.
4309         (insert_loop_close_phis): Same.
4310         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4311         * sese.h (struct rename_map_elt): Rename new_name to expr.
4312         (new_rename_map_elt): Same.
4314 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4316         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4317         * sese.c (set_rename): Make it extern.
4318         * sese.h (set_rename): Declared.
4320 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4322         * graphite-poly.c (extend_scattering): Free values.
4323         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4324         Free iterators.
4325         (ppl_print_powerset_matrix): Same.
4326         * graphite-scop-detection.c (free_scops_1): New.
4327         (limit_scops): Call free_scops_1.
4328         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4329         (build_poly_dr): Free PPL coefficients.
4330         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4332 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4334         * graphite-dependences.c: New.
4335         * graphite-data-ref.c: Removed.
4336         * graphite-data-ref.h: Removed.
4337         * Makefile.in (graphite-data-ref.o): Removed.
4338         (graphite-dependences.o): Added.
4339         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4340         * graphite-poly.c: Same.
4341         Move the data dependence testing to graphite-dependences.c.
4343 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4345         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4346         from graphite_cannot_represent_loop. Code refactored.
4347         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4349 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4351         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4352         Cover all the testcases (not only the filtered ones).
4354 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4356         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4357         unnecessary check. Update comments. Move check for REAL_TYPE here.
4358         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4359         done in (stmt_simple_for_scop_p).
4361 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4363         * graphite.c (print_global_statistics): New.
4364         (print_graphite_scop_statistic): New.
4365         (print_graphite_statistics): New.
4366         (graphite_initialize, graphite_transform_loops): Print statistics.
4367         * graphite-scop-detection (build_scops): Print statistics.
4368         (print_graphite_scop_statistics): New.
4369         (print_graphite_statistics): New.
4371 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4373         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4374         (debug_clast_name_index): Removed.
4375         (debug_clast_name_indexes_1): Removed.
4376         (debug_clast_name_indexes): Removed.
4377         (clast_name_index_elt_info): Removed.
4378         (eq_clast_name_indexes): Removed.
4379         (clast_name_to_index): Removed.
4380         (new_clast_name_index): Removed.
4381         (save_clast_name_index): Removed.
4382         (save_var_name): Moved...
4383         (init_sese_params_index): Removed.
4384         (clast_name_to_gcc): Remove use of name_tree.
4385         (initialize_cloog_names): Same.
4386         (gloog): Do not call init_sese_params_index.
4387         * graphite-sese-to-poly.c (save_var_name): ...here.
4388         (parameter_index_in_region): New.
4389         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4390         (parameter_index_in_region): Removed.
4391         (is_parameter): Remove use of name_tree.
4392         * sese.h (struct name_tree): Removed.
4393         (struct sese): Remove use of name_tree.  New field params_names.
4394         (SESE_PARAMS_NAMES): New.
4395         (SESE_PARAMS): Remove duplicate.
4396         (parameter_index_in_region): Removed.
4397         (sese_nb_params): Remove use of name_tree.
4398         (struct clast_name_index): New.
4399         (new_clast_name_index): New.
4400         (clast_name_to_index): New.
4401         (save_clast_name_index): New.
4402         (debug_clast_name_index): New.
4403         (debug_clast_name_indexes_1): New.
4404         (debug_clast_name_indexes): New.
4405         (clast_name_index_elt_info): New.
4406         (eq_clast_name_indexes): New.
4408 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4410         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4411         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4412         (graphite_loop_normal_form): Do not pass region.  Do not
4413         initialize SESE_OLDIVS.
4414         (build_graphite_loop_normal_form): Update call to
4415         graphite_loop_normal_form.
4416         * sese.c (debug_oldivs): Removed.
4417         (new_sese): Do not initialize SESE_OLDIVS.
4418         (free_sese): Do not free SESE_OLDIVS.
4419         (oldiv_for_loop): Removed.
4420         * sese.h (struct sese): Remove old_ivs.
4421         (SESE_OLDIVS): Removed.
4422         (oldiv_for_loop): Removed.
4424 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4426         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4427         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4428         replaced by a call to newivs_to_depth_to_newiv.
4429         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4430         (clast_to_gcc_expression_red): Same.
4431         (gcc_type_for_clast_expr): Same.
4432         (gcc_type_for_clast_eq): Same.
4433         (graphite_translate_clast_equation): Same.
4434         (graphite_create_guard_cond_expr): Same.
4435         (graphite_create_new_guard): Same.
4436         (graphite_create_new_loop): Same.
4437         (build_iv_mapping): Same.
4438         (translate_clast): Same.
4439         (gloog): Same.
4440         (loop_iv_stack_patch_for_consts): Removed.  *
4441         sese.c (iv_stack_entry_is_constant): Removed.
4442         (iv_stack_entry_is_iv): Removed.
4443         (loop_iv_stack_push_iv): Removed.
4444         (loop_iv_stack_insert_constant): Removed.
4445         (loop_iv_stack_pop): Removed.
4446         (loop_iv_stack_get_iv): Removed.
4447         (loop_iv_stack_get_iv_from_name): Removed.
4448         (debug_loop_iv_stack): Removed.
4449         (free_loop_iv_stack): Removed.
4450         (loop_iv_stack_remove_constants): Removed.  *
4451         sese.h (iv_stack_entry_kind): Removed.
4452         (iv_stack_entry_data_union): Removed.
4453         (iv_stack_entry_struct): Removed.
4454         (iv_stack_entry_p): Removed.
4455         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4456         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4457         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4458         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4459         (gbb_loop_at_index): Fix indenting.
4460         (gbb_loop_index): Removed.
4462 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4464         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4465         Call clast_name_to_index.
4467 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4469         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4470         do not pass params.  Get params from SESE_PARAMS.
4471         (clast_to_gcc_expression): Same.
4472         (clast_to_gcc_expression_red): Same.
4473         (gcc_type_for_clast_eq): Same.
4474         (graphite_translate_clast_equation): Same.
4475         (graphite_create_new_loop): Same.
4476         * sese.c (rename_variables_in_stmt): Fix comment.
4478 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4480         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4481         newivs_index.
4482         Call save_clast_name_index.
4483         (translate_clast): Pass newivs_index.
4484         (gloog): Create and free newivs_index.
4486 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4488         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4489         (clast_name_index_p): New type.
4490         (debug_clast_name_index): New.
4491         (debug_clast_name_indexes_1): New.
4492         (debug_clast_name_indexes): New.
4493         (clast_name_index_elt_info): New.
4494         (eq_clast_name_indexes): New.
4495         (clast_name_to_index): New.
4496         (new_clast_name_index): New.
4497         (save_clast_name_index): New.
4498         (init_sese_params_index): New.
4499         (gloog): Call init_sese_params_index.
4500         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4501         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4502         (free_sese): Free SESE_PARAMS_INDEX.
4503         * sese.h (struct sese): Add params_index.
4504         (SESE_PARAMS_INDEX): New.
4506 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4508         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4509         (graphite_create_new_loop): Pass the newivs vector.  Push the
4510         newly created IV to newivs.
4511         (translate_clast): Pass the newivs vector.
4512         (gloog): Create and destroy the newivs vector.
4514 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4516         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4517         (graphite_loop_normal_form): Initialize loop->aux with the unique
4518         IV that has been created.
4520 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4522         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4523         scev with parameters in the base part. They where forbidden
4524         exidently.
4526 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4528         * gcc.dg/graphite/graphite.exp: Set different default
4529         compile options by file names.
4530         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4531         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4532         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4533         * gcc.dg/graphite/scop-matmult.c: Ditto.
4535 2009-05-08  Li Feng <nemokingdom@gmail.com>
4537         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4538         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4539         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4540         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4542 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4544         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4545         by final cleanup.
4547 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4549         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4550         allow integer constant strides.
4551         (graphite_can_represent_expr): Depend on outermost_loop.
4552         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4553         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4554         build_scops_1): Same.
4555         (scopdet_basic_block_info): Same and insert layered SCoP
4556         detection.
4557         (try_generate_gimple_bb): Cleanup.
4558         (build_scops): Enable data references.
4560         * gcc.dg/graphite/id-5.c: New.
4561         * gcc.dg/graphite/id-9.c: New.
4562         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4563         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4565 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4567         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4568         that we have not yet built for this SCoP.
4570 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4572         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4573         for complex numbers.
4575 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4577         * graphite-ppl.c: Fix build if cloog is not available.
4579 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4581         * tree-parloops.c (loop_parallel_p): Remove construction of
4582         NITER and REDUCTION_LIST.
4583         (try_get_loop_niter): New.
4584         (try_create_reduction_list): New.
4585         (parallelize_loops): Bypass the failed checkings in autopar
4586         when can_be_parallel in loop structure is set to true.
4588 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4590         * gcc.dg/graphite/id-6.c: Update testcase.
4591         * gcc.dg/graphite/scop-3.c: Dito.
4593 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4595         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4596         Enable EQ_EXPR and NE_EXPR again.
4598 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4600         * graphite-scop-detection.c (graphite_can_represent_scev):
4601         Add check if scev is affine multivariate.
4602         (harmful_stmt_in_bb): Check if we can represent the conditions.
4603         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4604         harmful_stmt_in_bb.
4605         * gcc.dg/graphite/id-7.c: New.
4607 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4609         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4610         Check all bbs in region, not only the bbs that are represented in
4611         GRAPHITE.
4612         (build_poly_scop): Add newline.
4613         * gcc.dg/graphite/id-8.c: New.
4615 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4617         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4618         when loop initialize.
4619         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4620         * common.opt: Declare flag_graphite_force_parallel.
4621         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4622         loop parallel.
4623         * graphite-poly.c (apply_poly_transforms): Introduce
4624         flag_graphite_force_parallel.
4625         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4626         * toplev.c (process_options): ditto and replace a not correctly
4627         encoded space.
4629 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4631         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4632         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4633         to the redefinition.
4634         (compute_cloog_iv_types_1): ditto.
4635         (build_iv_mapping): ditto.
4636         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4637         initialization.
4638         (free_gimple_bb): Removed GBB_LOOPS related free part.
4639         (build_bb_loops): Removed.
4640         * sese.h (struct gimple_bb): Removed loops.
4641         (GBB_LOOPS): Removed.
4642         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4643         (gbb_loop_index): ditto.
4645 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4647         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4648         allow non constant strides.
4649         * gcc.dg/graphite/scop-20.c: New.
4651 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4653         * graphite-scop-detection.c (dot_all_scops): Fix system call
4654         return value warning.
4655         (dot_scop): Same.
4657 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4659         * gcc.dg/graphite/id-6.c: Fix pattern.
4660         * gcc.dg/graphite/scop-3.c: Same.
4662 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4664         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4665         build_pairwise_constraint, dr_equality_constraints,
4666         build_pairwise_scheduling_equality,
4667         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4668         build_lexicographically_gt_constraint, dependence_polyhedron,
4669         graphite_legal_transform_dr, graphite_legal_transform_bb,
4670         graphite_legal_transform): New.
4671         * graphite-poly.h (graphite_legal_transform): Declared.
4672         * graphite-sese-to-poly.c (build_poly_scop): Call to
4673         graphite_legal_transform is disabled for the moment.
4675 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4677         * graphite-poly.h (pbb_nb_scattering_dims): New.
4678         (pbb_nb_scattering): Use it.
4680 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4682         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4683         Pointset_Powerset version of ppl_insert_dimensions.
4684         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4686 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4688         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4690 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4692         * graphite-poly.h: Fix comment.
4694 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4696         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4698 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4700         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4701         statements.
4703 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4705         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4706         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4707         conditions.
4709 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4711         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4712         handle EQ_EXPR and NE_EXPR.
4714 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4716         * graphite-poly.h (poly_dr): Fix comment.
4718 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4719             Tobias Grosser  <grosser@fim.uni-passau.de>
4721         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4722         with a zero dimension polyhedron.
4723         (find_scop_parameters): Move the call to scop_set_nb_params here.
4724         (build_loop_iteration_domains): Store in loop->aux the iteration
4725         domain polyhedron.
4726         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4727         by any loop in scop.
4728         (build_poly_scop): Do not call scop_set_nb_params.
4730 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4731             Tobias Grosser  <grosser@fim.uni-passau.de>
4733         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4734         add_condition_to_domain not GT_EXPR.
4736 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4738         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4739         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4740         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4741         upper_bound_assign to calculate unions.
4742         * gcc.dg/graphite/id-6.c: New.
4744 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4746         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4747         handle abnormal edges.
4749 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4751         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4752         (free_poly_bb): Also free poly_drs.
4753         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4754         (poly_dr): Polyhedron to Pointset_Powerset.
4755         (pdr_accessp_nb_subscripts): Same.
4756         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4757         poly_drs.
4759 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4761         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4762         names into more meaningful names.
4764 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4766         * gfortran.dg/graphite/interchange-1.c: New.
4767         * gfortran.dg/graphite/interchange-2.c: New.
4769 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4771         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4772         the reduction_list.
4773         * tree-parloops.c (rewrite_phi_with_iv): New.
4774         (rewrite_all_phi_nodes_with_iv): New.
4775         (canonicalize_loop_ivs): Call them.
4777 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4779         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4780         graphite_find_data_references_in_stmt.
4781         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4782         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4784 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4786         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4788 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4790         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4791         instead of bb_in_region.
4792         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4793         (build_sese_conditions): Use flag_bb_in_sese.
4794         * sese.c (register_bb_in_sese): Removed.
4795         (new_sese): Remove initialization of SESE_REGION_BBS.
4796         (free_sese): Do not free SESE_REGION_BBS.
4797         * sese.h (struct sese): Remove field region_basic_blocks.
4798         (SESE_REGION_BBS): Removed.
4799         (bb_in_sese_p): Implement in function of bb_in_region.
4801 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4803         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4804         loops.
4806 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4808         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4809         and EQ_EXPR.
4810         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4811         (add_condition_to_domain): New.
4812         (add_condition_to_pbb): New.
4813         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4814         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4816 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4818         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4819         ppl_Pointset_Powerset.
4820         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4821         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4822         (pbb_nb_loops): Same.
4823         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4824         add_conditions_to_domain): Same.
4825         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4826         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4827         ppl_const_Polyhedron_t.
4828         (ppl_print_powerset_matrix): New.
4829         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4830         ppl_print_powerset_matrix): New.
4831         (ppl_print_polyhedron_matrix): Updated.
4833 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4835         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4837 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4839         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4840         (print_iteration_domains, debug_iteration_domain,
4841         debug_iteration_domains): New.
4842         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4843         debug_iteration_domains): Declared.
4844         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4845         indenting.
4847 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4848             Sebastian Pop  <sebastian.pop@amd.com>
4850         * graphite-poly.h (print_iteration_domain): New.
4851         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4852         (build_sese_conditions_1, build_sese_conditions_after,
4853         build_sese_conditions_before): New.
4854         (build_sese_conditions): Rewritten.
4856 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4857             Tobias Grosser  <grosser@fim.uni-passau.de>
4859         Cleanup of code generation liveouts.
4860         * graphite-clast-to-gimple.c (translate_clast): Use a single
4861         rename_map instead of one per translated statement.
4862         Do not use SESE_LIVEOUT_RENAMES.
4863         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4864         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4865         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4866         phi node of a reduction: when a loop contains a reduction used outside
4867         the loop, there should be a scalar close phi node on the exit block.
4868         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4869         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4870         (free_sese): Do not free them.
4871         (sese_build_liveouts_use): Do not use them.
4872         (sese_build_liveouts_bb): Same.
4873         (sese_build_liveouts): Same.
4874         (sese_insert_phis_for_liveouts): Same.
4875         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4876         (defined_in_loop_p): New.
4877         (alive_after_loop): New.
4878         (close_phi_not_yet_inserted_p): New.
4879         (struct alep, alep_p): New.
4880         (add_loop_exit_phis): Remove from the rename_map all the names defined
4881         in the code generated loop.
4882         (insert_loop_close_phis): Traverse the rename_map passed to it.
4883         Don't use SESE_LIVEOUT_RENAMES.
4884         (default_liveout_before_guard): Renamed default_before_guard.
4885         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4886         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4887         (register_sese_liveout_renames): Removed.
4888         (copy_bb_and_scalar_dependences): Do not call it.
4889         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4890         reduction_list.
4891         (SESE_LIVEOUT): Removed.
4892         (SESE_LIVEOUT_RENAMES): Removed.
4893         (SESE_REDUCTION_LIST): Removed.
4894         (sese_build_liveouts): Removed.
4895         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4896         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4897         (insert_guard_phis): Same.
4898         (rename_map_elt): Declare a VEC of them.
4899         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4900         trees not pointers to trees.
4902         Rewrite in canonical close SSA form:
4903         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4904         (limit_scops): Close the scop after the block containing the close phi
4905         nodes.
4906         (canonicalize_loop_closed_ssa): New.
4907         (canonicalize_loop_closed_ssa_form): New.
4908         (build_scops): Call canonicalize_loop_closed_ssa_form.
4910         * graphite-sese-to-poly.c: Fix typos.
4912 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4914         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4915         Extended.
4916         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4917         (print_pbb): Add conditions.
4919 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4920             Sebastian Pop  <sebastian.pop@amd.com>
4922         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4923         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4924         (build_scop_bbs_1): New.
4925         (build_scop_bbs): Rewrite.
4926         * sese.h (bb_in_region): New.
4928 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4930         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4931         poly_drs vector.
4932         (print_scop): Style.
4933         * graphite-poly.h (poly_bb): Add drs vector.
4934         (PBB_DRS): Add accessor.
4935         * graphite-sese-to-poly.c (build_poly_dr): New.
4936         (build_pbb_drs, build_scop_drs): New.
4937         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4939 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4941         * tree-ssa-loop.c: Include forgotten toplev.h
4943 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4945         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4946         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4947         * gcc.dg/graphite/pr37928.c: Same
4948         * gcc.dg/graphite/pr38409.c: Same
4949         * gcc.dg/graphite/pr38498.c: Same
4950         * gcc.dg/graphite/pr38559.c: Same
4951         * gcc.dg/graphite/pr39335.c: Same
4952         * gcc.dg/graphite/pr39335_1.c: Same
4953         * gfortran.dg/graphite/block-2.f: Same
4954         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4955         with -floop-*.
4957 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4959         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4960         build_access_matrix, build_scop_data_accesses): Remove access function
4961         building. (We get a new version soon).
4962         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4963         * sese.h (nb_loops_around_loop_in_sese): Remove.
4964         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4966 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4967             Sebastian Pop  <sebastian.pop@amd.com>
4969         * graphite-scop-detection.c (struct scopdet_info): Rename last
4970         field to exit.
4971         (scopdet_basic_block_info, build_scops_1): Don't use
4972         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4974 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4975             Sebastian Pop  <sebastian.pop@amd.com>
4977         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4978         * sese.c (sese_build_liveouts_use): Renamed from
4979         sese_build_livein_liveouts_use. Remove liveins.
4980         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4981         Call sese_build_liveouts_use.
4982         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4983         Call sese_build_liveouts_bb.
4984         (new_sese, free_sese): Remove liveins.
4985         (sese_add_exit_phis_var): Deleted.
4986         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4987         directly.
4988         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4990         * sese.h (sese): Remove num_ver and livein.
4991         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4993 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4995         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4997 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4999         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5000         (build_scop_scattering): Do not use compare_prefix_loops any more.
5001         (nb_common_loops): New.
5003 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5005         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5006         (register_old_and_new_names): Renamed set_rename.
5008 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5010         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5011         of the decl from the previous commit.
5013 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5015         * graphite-scop-detection.c (dot_scop): New.
5016         * graphite-scop-detection.h (dot_scop): Declared.
5018 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5020         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5022 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5024         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5025         condition at the end of the loop.
5026         * graphite.c (graphite_initialize, graphite_finalize): Print to
5027         dump_file the compiled function.
5028         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5029         of create_empty_loop_on_edge.
5030         (translate_clast): Update the code generation of loops for the new
5031         shape of loops.
5032         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5034 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5036         Reverted the patch from 2009-03-19.
5038 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5040         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5041         poly_drs vector.
5042         (print_scop): Style.
5043         * graphite-poly.h (poly_bb): Add drs vector.
5044         (PBB_DRS): Add accessor.
5045         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5046         (build_access_matrix_with_af, build_access_matrix,
5047         build_scop_data_accesses): Delete.
5048         (build_poly_dr): New.
5049         (build_pbb_drs, build_scop_drs): New.
5050         (build_poly_scop): call build_scop_drs.
5052 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5054         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5055         once per basic block.
5057 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5059         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5060         (graphite_can_represent_expr): Renamed from loop_affine_expr
5061         and enhanced.
5062         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5063         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5064         (scopdet_basic_block_info): Actually define entry_block.
5065         (stmt_simple_memref_p): Moved here from ...
5067         * tree-data-ref.c (stmt_simple_memref_p): here.
5068         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5070 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5072         * gcc.dg/graphite/id-4.c: New.
5074 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5076         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5077         (register_old_and_new_names): Update the content of the map.
5078         When there was already a rename_map_elt in the map at that
5079         location, free it.
5080         (copy_bb_and_scalar_dependences): Do rename_variables after
5081         expand_scalar_variables.
5082         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5083         of the map.  When there was already a rename_map_elt in the
5084         map at that location, free it.
5085         (translate_clast): Pass the rename_map.  Do not initialize and free
5086         a rename_map per stmt_user.
5087         (gloog): Initialize and free one rename_map and pass it to
5088         translate_clast.
5090 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5092         * sese.c (expand_scalar_variables_stmt,
5093         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5094         parameter.
5095         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5096         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5097         the gimple_stmt_iterator of the statement to be expanded.
5098         * graphite-scop-detection.c (is_simple_operand): Do handle
5099         REALPART_EXPR.
5101 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5103         * graphite-scop-detection.c (is_simple_operand): Do not handle
5104         REALPART_EXPR.
5105         * gcc.dg/graphite/id-2.c: New.
5107         * graphite-sese-to-poly.c (build_bb_loops,
5108         add_value_to_dim, scan_tree_for_params_right_scev,
5109         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5110         find_params_in_bb, build_loop_iteration_domains,
5111         add_conditions_to_domain): Remove subtract.
5113 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5115         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5116         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5117         pbb_loop_at_index -> gbb_loop_at_index.
5118         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5119         (debug_loop_vec): Delete.
5120         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5121         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5122         (PBB_LOOPS): Removed.
5123         (PBB_BLACK_BOX): Insert cast.
5124         (pbb_set_black_box): New setter.
5125         (pbb_loop_at_index, pbb_loop_index): Removed.
5126         (scop_set_region, scop_set_nb_params): New.
5127         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5128         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5129         (build_poly_scop): Use scop_set_nb_params.
5130         * sese.h (gimple_bb): Add LOOPS.
5131         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5133 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5135         Revert previous commit.
5137 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5139         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5140         (register_old_and_new_names): Update the content of the map.
5141         When there was already a rename_map_elt in the map at that
5142         location, free it.
5143         (copy_bb_and_scalar_dependences): Do rename_variables after
5144         expand_scalar_variables.
5145         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5146         of the map.  When there was already a rename_map_elt in the
5147         map at that location, free it.
5148         (translate_clast): Pass the rename_map.  Do not initialize and free
5149         a rename_map per stmt_user.
5150         (gloog): Initialize and free one rename_map and pass it to
5151         translate_clast.
5153 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5155         Remove forgotten line in revert.
5157 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5159         Revert previous commit.
5161 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5163         * sese.c (register_old_and_new_names): Update the content
5164         of the map.  When there was already a rename_map_elt in the
5165         map at that location, free it.
5166         (copy_bb_and_scalar_dependences): Do rename_variables after
5167         expand_scalar_variables.
5168         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5169         of the map.  When there was already a rename_map_elt in the
5170         map at that location, free it.
5171         (translate_clast): Pass the rename_map.  Do not initialize and free
5172         a rename_map per stmt_user.
5173         (gloog): Initialize and free one rename_map and pass it to
5174         translate_clast.
5176 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5178         * graphite-clast-to-gimple.c (translate_clast): context_loop
5179         is never NULL.
5181 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5182             Sebastian Pop  <sebastian.pop@amd.com>
5184         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5185         of the use of ppl_Polyhedron_map_space_dimensions.
5187 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5188             Sebastian Pop  <sebastian.pop@amd.com>
5190         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5191         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5192         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5193         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5194         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5195         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5196         pbb_nb_params): New.
5197         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5198         nb_loops_around_pbb): Adapt return types.
5200 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5202         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5203         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5204         graphite-scop-detection.o, graphite-poly.o): Add
5205         more headers.
5207 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5209         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5210         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5211         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5213 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5215         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5216         * gcc.dg/graphite/pr37828.c: Same.
5217         * gcc.dg/graphite/pr37684.c: Same.
5218         * gcc.dg/graphite/block-0.c: Same.
5219         * gcc.dg/graphite/block-1.c: Same.
5220         * gcc.dg/graphite/block-2.c: Same.
5221         * gcc.dg/graphite/block-3.c: Same.
5222         * gcc.dg/graphite/block-4.c: Same.
5223         * gcc.dg/graphite/block-5.c: Same.
5224         * gcc.dg/graphite/block-6.c: Same.
5225         * gfortran.dg/graphite/pr38083.f90: Same.
5226         * gfortran.dg/graphite/block-1.f90: Same.
5227         * gfortran.dg/graphite/block-3.f90: Same.
5228         * gfortran.dg/graphite/pr37852.f90: Same.
5229         * gfortran.dg/graphite/block-4.f90: Same.
5230         * gfortran.dg/graphite/pr37980.f90: Same.
5231         * gfortran.dg/graphite/pr38953.f90: Same.
5232         * gfortran.dg/graphite/pr37857.f90: Same.
5233         * opts.c: Remove -floop-block from -O2.
5234         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5235         -floop-strip-mine are used.
5237 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5238             Sebastian Pop  <sebastian.pop@amd.com>
5240         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5241         dimensions.
5242         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5243         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5244         strip_mine_profitable_p, is_interchange_valid,
5245         graphite_trans_bb_block, graphite_trans_loop_block,
5246         graphite_trans_scop_block): Temporary removed.
5247         (extend_scattering, unify_scattering_dimensions): New.
5248         (print_scattering_function, graphite_read_transforms):
5249         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5250         (graphite_generate_scattering_fns): Removed.
5251         (apply_poly_transforms): Cleanup.
5252         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5253         (schedule_to_scattering): Moved.
5254         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5255         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5256         (pbb_nb_scattering): New.
5257         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5258         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5259         Removed.
5260         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5261         shift_poly.
5262         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5263         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5264         -> PBB_TRANSFORMED_SCATTERING.
5265         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5266         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5267         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5268         (check_poly_representation): Do not return bool.
5269         (graphite_transform_loops): Reformat.
5270         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5272 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5274         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5275         debug_pbb_domain, debug_pbb, debug_scop): New.
5276         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5277         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5279 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5281         PR middle-end/39335
5282         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5283         when the type precision of the induction variable should be
5284         larger than the type precision of nit.
5285         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5286         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5287         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5289         * gcc.dg/graphite/pr39335_1.c: New.
5290         * gcc.dg/graphite/pr39335.c: New.
5292 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5294         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5295         SSA_NAMES not struct reduction_info.
5297 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5299         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5301 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5302             Tobias Grosser  <grosser@fim.uni-passau.de>
5304         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5305         (free_sese): Free SESE_REDUCTION_LIST.
5306         * sese.h (struct sese): Add field reduction_list.
5307         (SESE_REDUCTION_LIST): New.
5308         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5309         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5311 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5312             Tobias Grosser  <grosser@fim.uni-passau.de>
5314         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5315         of loop_p.
5317 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5318             Tobias Grosser  <grosser@fim.uni-passau.de>
5320         * tree-parloops.c (struct brli, build_reduction_list_info,
5321         analyze_reduction_list, gather_scalar_reductions): New.
5322         (loop_parallel_p): Build a reduction list containing only
5323         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5324         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5325         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5326         * tree-flow.h (gather_scalar_reductions): Declared.
5328 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5330         PR middle-end/39308
5331         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5332         number_of_iterations_exit from a gcc_assert.
5334 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5335             Jan Sjodin  <jan.sjodin@amd.com>
5337         * output.h (graphite_out_file, graphite_in_file): Declared.
5338         * toplev.c (graphite_out_file, graphite_in_file): New.
5339         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5340         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5341         Don't call schedule_to_scattering.
5342         * common.opt (fgraphite-write, fgraphite-read): New.
5343         * graphite-poly.c: Include output.h.
5344         (print_scattering_function, print_scattering_functions,
5345         debug_scattering_function, debug_scattering_functions,
5346         graphite_write_transforms, graphite_read_transforms,
5347         graphite_generate_scattering_fns): New.
5348         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5349         Call graphite_generate_scattering_fns, graphite_write_transforms,
5350         graphite_read_transforms.
5351         (new_poly_bb): Initialize PBB_SCATTERING.
5352         (free_poly_bb): Free PBB_SCATTERING.
5353         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5354         * graphite-poly.h (struct poly_bb): Add field scattering.
5355         (PBB_SCATTERING): New.
5356         (print_scattering_function, print_scattering_functions,
5357         debug_scattering_function, debug_scattering_functions): Declared.
5358         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5359         GMP values, not integers!
5360         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5361         ppl_read_polyhedron_matrix): New.
5362         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5363         debug_ppl_polyhedron_matrix,
5364         ppl_read_polyhedron_matrix): Declared.
5365         * Makefile.in (graphite-poly.o): Depends on output.h.
5367 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5368             Tobias Grosser  <grosser@fim.uni-passau.de>
5370         Revert this change:
5371         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5372         scalar evolutions in the scop_entry->loop_father.
5374 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5375             Tobias Grosser  <grosser@fim.uni-passau.de>
5377         * graphite.h (ref_nb_loops): Remove declaration.
5378         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5379         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5380         debug_gbb): Moved to sese.h.
5381         * sese.h: As said.
5383 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5384             Tobias Grosser  <grosser@fim.uni-passau.de>
5386         * graphite-data-ref.[ch]: Disable.
5388 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5389             Tobias Grosser  <grosser@fim.uni-passau.de>
5391         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5392         scalar evolutions in the scop_entry->loop_father.
5394 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5396         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5397         (graphite_cannot_represent_loop_niter): Renamed
5398         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5399         (limit_scops): build_sese_loop_nests does not return a bool.
5400         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5401         * sese.c (nb_reductions_in_loop): ... from here.
5402         (graphite_loop_normal_form): ... from here.
5403         (sese_record_loop): Does not fail, so does not return a bool.
5404         (build_sese_loop_nests): Same.
5405         * sese.h (build_sese_loop_nests): Update declaration.
5406         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5407         (build_graphite_loop_normal_form): New.
5408         (gloog): Call build_graphite_loop_normal_form.
5409         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5410         build_sese_loop_nests.
5412         * gcc.dg/graphite/id-1.c: New.
5414 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5415             Tobias Grosser  <grosser@fim.uni-passau.de>
5417         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5418         The SCoP detection fix is sufficient.
5420 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5422         PR tree-optimization/39260
5423         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5424         the basic block contains a condition with a real type.
5425         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5427         * gcc.dg/graphite/pr39260.c: New.
5429 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5431         * graphite-poly.c: Inlcude params.h.
5432         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5433         the size of a tile.
5434         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5435         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5437 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5438             Tobias Grosser  <grosser@fim.uni-passau.de>
5440         * graphite-scop-detection.c (dot_all_scops_1,
5441         dot_all_scops): Moved here.
5442         * graphite-scop-detection.h (dot_all_scops): Declared here.
5443         * graphite.c (graphite_initialize, graphite_finalize): New.
5444         (graphite_transform_loops): Cleaned up.
5445         * sese.c (debug_oldivs): Moved here.
5446         * graphite-poly.c (graphite_apply_transformations): Renamed
5447         apply_poly_transforms.
5448         (debug_loop_vec): Moved here.
5449         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5450         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5451         find_scop_parameters, build_scop_iteration_domain,
5452         add_conditions_to_constraints, build_scop_canonical_schedules,
5453         build_scop_data_accesses): Now static.
5454         (build_poly_scop, check_poly_representation): New.
5456 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5458         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5459         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5460         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5461         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5462         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5463         scan_tree_for_params, struct irp_data, dx_record_params,
5464         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5465         build_loop_iteration_domains, add_conditions_to_domain,
5466         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5467         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5468         build_sese_conditions, add_conditions_to_constraints,
5469         build_scop_iteration_domain, build_access_matrix_with_af,
5470         build_access_matrix,
5471         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5473         * graphite-sese-to-poly.c: New.
5474         * graphite-sese-to-poly.h: New.
5476         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5478 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5480         * graphite.c: Split graphite code generation to a new file.
5481         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5482         max_precision_type, clast_to_gcc_expression_red,
5483         clast_to_gcc_expression, gcc_type_for_clast_expr,
5484         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5485         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5486         graphite_create_new_guard, clast_get_body_of_loop,
5487         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5488         graphite_create_new_loop, build_iv_mapping, copy_renames,
5489         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5490         compute_cloog_iv_types, free_scattering, save_var_name,
5491         initialize_cloog_names, build_scop_context, build_cloog_prog,
5492         set_cloog_options, debug_clast_stmt, scop_to_clast,
5493         print_generated_program, debug_generated_program,
5494         gloog): Moved to graphite-clast-to-gimple.c.
5496         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5498         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5499         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5500         loop_iv_stack_pop, loop_iv_stack_get_iv,
5501         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5502         free_loop_iv_stack, loop_iv_stack_remove_constants,
5503         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5504         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5505         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5506         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5507         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5508         get_vdef_before_sese, sese_adjust_vphi,
5509         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5510         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5511         is_iv, expand_scalar_variables_ssa_name,
5512         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5513         expand_scalar_variables, rename_variables, remove_condition,
5514         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5515         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5516         default_liveout_before_guard, add_guard_exit_phis,
5517         insert_guard_phis, register_old_and_new_names,
5518         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5519         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5520         if_region_set_false_region, create_if_region_on_edge,
5521         move_sese_in_condition): Moved to sese.c.
5523         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5524         if_region_exit, if_region_get_condition_block,
5525         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5526         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5527         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5528         ivtype_map_elt, new_ivtype_map_elt,
5529         recompute_all_dominators): Moved to sese.h.
5531         * graphite-clast-to-gimple.c: New.
5532         * graphite-clast-to-gimple.h: New.
5533         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5534         * sese.c: Modified as said above.
5535         * sese.h: Same.
5537 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5539         * graphite.c: Split scop detection to a new file.
5540         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5541         move_sd_regions, loop_affine_expr, exclude_component_ref,
5542         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5543         graphite_cannot_represent_loop_niter, struct scopdet_info,
5544         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5545         find_single_entry_edge, find_single_exit_edge,
5546         create_single_entry_edge, sd_region_without_exit,
5547         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5548         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5549         Moved to graphite-scop-detection.c.
5551         * graphite-scop-detection.c: New.
5552         * graphite-scop-detection.h: New.
5553         * Makefile.in: Add new rule for graphite-scop-detection.o.
5555         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5556         tree-scalar-evolution.h.
5557         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5558         build_sese_loop_nests): Moved here from graphite.c.
5559         (param_index): Renamed parameter_index_in_region.
5561 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5562             Sebastian Pop  <sebastian.pop@amd.com>
5564         * gcc.dg/graphite/block-0.c: Expected to fail now.
5565         * gcc.dg/graphite/block-1.c: Same.
5566         * gcc.dg/graphite/block-5.c: Same.
5567         * gcc.dg/graphite/block-6.c: Same.
5569 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5570             Sebastian Pop  <sebastian.pop@amd.com>
5572         * graphite.h: Separate from graphite_bb_p the polyhedral
5573         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5574         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5575         graphite-data-ref.h.
5576         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5577         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5578         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5579         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5580         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5581         scop_nb_params): Moved to graphite-poly.h.
5582         * graphite-data-ref.c: Same.
5583         * graphite-data-ref.h: New.
5584         * graphite.c: Same.
5585         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5586         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5587         is_interchange_valid, graphite_trans_bb_block,
5588         graphite_trans_loop_block, scop_max_loop_depth,
5589         graphite_trans_scop_block, graphite_apply_transformations,
5590         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5591         graphite-poly.c.
5592         * graphite-poly.h: New.
5593         * graphite-poly.c: New.
5594         * Makefile.in (OBJS-common): Add graphite-poly.o.
5595         (graphite-poly.o): New rule.
5596         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5597         (DR_SCOP): Removed.
5599 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5600             Tobias Grosser  <grosser@fim.uni-passau.de>
5602         * graphite.c: Replace gb -> gbb.
5603         * graphite.h: Same.
5604         * graphite-data-ref.c: Same.
5606 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5607             Tobias Grosser  <grosser@fim.uni-passau.de>
5609         * Makefile.in (OBJS-commmon): Add sese.o.
5610         (sese.o): New.
5611         (graphite.o): Add sese.h.
5612         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5613         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5614         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5615         Move to sese.
5616         (block_before_scop): Add missing return.
5617         (new_scop, free_scop): Remove SESE data structures.
5618         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5619         find_scop_parameters, build_loop_iteration_domains,
5620         add_conditions_to_domain, register_scop_liveout_renames,
5621         copy_bb_and_scalar_dependences): Scop -> SESE.
5623         (add_conditions_to_domain): SCoP -> SESE and remove check
5624         (scop_contains_non_iv_scalar_phi_nodes): New.
5625         (build_scop_conditions_1, build_scop_conditions): Remove check for
5626         non iv scalar phi nodes.
5627         (print_scop_statistics): New.
5628         (graphite_transform_loops): Cleanup.
5630         * graphite.h: Move to sese & cleanup.
5631         * sese.c: New.
5632         * sese.h: New.
5634 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5635             Tobias Grosser  <grosser@fim.uni-passau.de>
5637         * graphite.c (build_scop_conditions_1): Conditions are only
5638         at the end of a basic block.
5640 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5641             Tobias Grosser  <grosser@fim.uni-passau>
5643         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5644         field.
5645         (GBB_ALPHA): Removed.
5647 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5648             Tobias Grosser  <grosser@fim.uni-passau.de>
5650         * graphite-data-ref.c (graphite_test_dependence): Don't use
5651         GBB_DYNAMIC_SCHEDULE.
5652         * graphite.c (new_graphite_bb): Same.
5653         (free_graphite_bb): Same.
5654         (build_scop_dynamic_schedules): Removed.
5655         (graphite_transform_loops): Don't call it.
5656         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5657         (GBB_DYNAMIC_SCHEDULE): Removed.
5659 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5660             Tobias Grosser  <grosser@fim.uni-passau.de>
5662         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5663         (print_graphite_bb): Same.
5664         (build_cloog_prog): Same.
5666 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5667             Tobias Grosser  <grosser@fim.uni-passau.de>
5669         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5671 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5672             Tobias Grosser  <grosser@fim.uni-passau.de>
5674         * graphite.c (build_scop_context): Don't use CloogMatrix.
5675         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5676         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5678 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5679             Tobias Grosser  <grosser@fim.uni-passau.de>
5681         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5682         liveout_renames, add_params fields...
5683         (struct sese): ... here.
5684         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5685         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5687 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5688             Tobias Grosser  <grosser@fim.uni-passau.de>
5690         * graphite.c (print_scop): Do not print the CLooG program.
5691         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5692         build_cloog_prog, gloog): Don't use SCOP_PROG.
5693         (find_transform): Renamed scop_to_clast.
5694         (print_generated_program, debug_generated_program): New.
5695         (graphite_transform_loops): Adapt to new interface.
5696         * graphite.h (struct scop): Remove program field.
5697         (SCOP_PROG): Removed.
5698         (print_generated_program, debug_generated_program): Declared.
5700 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5702         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5703         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5704         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5705         free_graphite_bb, build_scop_canonical_schedules,
5706         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5707         schedules are now represented using a ppl_Linear_Expression_t.
5708         * graphite.h (struct graphite_bb): Same.
5709         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5710         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5712 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5714         * graphite.c: Free local memory.
5715         * graphite-ppl.c: Same.
5717 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5719         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5720         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5721         swap_constraint_variables, scale_constraint_variable): Removed.
5722         (graphite_trans_bb_strip_mine): Remove pong.
5723         * graphite-ppl.c: Include missing header files.
5724         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5725         * graphite-ppl.h (ppl_strip_loop): Declared.
5726         * Makefile.in (graphite-ppl.o): Adjust dependences.
5728 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5730         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5731         (build_scop_iteration_domain): Same.
5733 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5735         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5736         ping pong.
5737         (add_value_to_dim, scan_tree_for_params_right_scev,
5738         scan_tree_for_params_int): New.
5739         * graphite-ppl.c (oppose_constraint): New.
5740         (insert_constraint_into_matrix): Implement missing cases.
5741         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5743 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5745         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5746         use ppl_move_dimension.
5748 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5750         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5751         * graphite.c: Same.
5752         * graphite.h: Same.
5753         * graphite-ppl.c: Same.
5754         * graphite-ppl.h: Same.
5756 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5758         Revert last 3 commits.
5760 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5762         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5763         ping pong.
5764         (add_value_to_dim, scan_tree_for_params_right_scev,
5765         scan_tree_for_params_int): New.
5766         * graphite-ppl.c (oppose_constraint): New.
5767         (insert_constraint_into_matrix): Implement missing cases.
5768         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5770 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5772         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5774 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5775             Tobias Grosser  <grosser@fim.uni-passau.de>
5777         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5778         use ppl_move_dimension.
5779         * graphite-ppl.c (ppl_move_dimension): New.
5780         * graphite-ppl.h (ppl_move_dimension): Declared.
5782 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5784         * graphite.c: Do not include cloog/cloog.h.
5785         (print_graphite_bb): Remove ping pong, call PPL print function.
5787 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5789         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5790         (graphite.o): Add dependence on graphite-ppl.h.
5791         (graphite-ppl.o): New.
5792         (graphite-data-ref.c): Ping pong between PPL data structures
5793         and matrices.
5794         * graphite-ppl.c: New.
5795         * graphite-ppl.h: New.
5796         * graphite.c: Include graphite-ppl.h.
5797         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5798         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5799         Ping pong between PPL data structures and matrices.
5800         (new_graphite_bb): Create a PPL constraint system.
5801         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5802         (build_loop_iteration_domains): Use PPL functions.
5803         * graphite.h: Include graphite-ppl.h.  Fix comments.
5804         (graphite_bb): Use a ppl_Constraint_System_t instead of
5805         CloogMatrix for representing the domain.
5806         (scop): Remove static_schedule.
5807         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5809 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5811         * graphite.c: Fix some comments.
5813 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5815         PR middle-end/38953
5816         * graphite.c (if_region_set_false_region): After moving a region
5817         in the false branch of a condition, remove the empty dummy
5818         basic block.
5819         (gloog): Remove wrong fix for PR38953.
5821 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5823         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5824         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5825         register_bb_in_sese, new_sese, free_sese): Moved.
5826         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5827         outermost_loop_in_scop, build_scop_iteration_domain,
5828         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5829         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5830         Use loop_in_sese_p instead of loop_in_scop_p.
5831         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5832         (free_scop): Do not free SCOP_BBS_B.
5833         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5834         ref_nb_loops): Moved here...
5835         * graphite.h (ref_nb_loops): ... from here.
5836         (struct scop): Remove bbs_b bitmap.
5837         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5838         * gcc.dg/graphite/scop-19.c: New
5840 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5842         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5843         detection.
5845 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5847         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5848         eq_loop_to_cloog_loop): Remove.
5849         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5850         * graphite.h (struct scop): Remove loop2cloog_loop.
5851         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5853 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5855         * opts.c (decode_options): Only add graphite options to O2
5856         if we compile with graphite enabled.
5858 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5860         * Merge from mainline (r143163:143684).
5862 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5864         * graphite.c (debug_value): Removed.
5865         * graphite.h (debug_value): Removed.
5867 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5869         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5870         after graphite: pass_copy_prop does not maintain a proper loop closed
5871         SSA form.  pass_copy_prop should be fixed.
5873 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5875         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5877 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5879         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5880         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5881         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5882         changed the CFG.
5884 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5886         * graphite.c (gloog): Return true when code gen succeeded.
5887         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5888         the code of the function did not changed.  After cleanup_tree_cfg
5889         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5890         form.
5892 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5894         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5895         gimple_call_lhs is NULL.
5897 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5898             Tobias Grosser  <tobi.grosser@amd.com>
5900         * graphite.c (graphite_trans_scop_block): Do not block single
5901         nested loops.
5903 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5904             Tobias Grosser  <tobi.grosser@amd.com>
5906         * graphite.c (build_scop_canonical_schedules): Start schedules at
5907         zero.
5909 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5910             Tobias Grosser  <tobi.grosser@amd.com>
5912         * graphite.c (compare_prefix_loops): New.
5913         (build_scop_canonical_schedules): Rewritten.
5914         (graphite_transform_loops): Move build_scop_canonical_schedules
5915         after build_scop_iteration_domain.
5917 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5918             Tobias Grosser  <tobi.grosser@amd.com>
5920         * graphite.c (add_conditions_to_domain): Add the loops to
5921         the dimension of the iteration domain.  Do copy the domain
5922         only when it exists.
5923         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5924         (add_conditions_to_constraints): New.
5925         (can_generate_code_stmt, can_generate_code): Removed.
5926         (gloog): Do not call can_generate_code.
5927         (graphite_transform_loops): Call add_conditions_to_constraints
5928         after building the iteration domain.
5930 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5931             Tobias Grosser  <tobi.grosser@amd.com>
5932             Jan Sjodin  <jan.sjodin@amd.com>
5934         * graphite.c (scan_tree_for_params): On substractions negate
5935         all the coefficients of the term.
5936         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5937         of more than two operands.
5938         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5939         (get_vdef_before_scop): Handle also the case of default definitions.
5941 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5943         PR middle-end/38431
5944         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5945         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5946         (gloog): Do not call cleanup_tree_cfg.
5947         (graphite_transform_loops): Call cleanup_tree_cfg after all
5948         scops have been code generated.
5950 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5952         * passes.c (init_optimization_passes): Schedule after
5953         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5955 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5957         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5958         Fix comment.
5959         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5960         Set the type of an expression to the type of its assign statement.
5961         (expand_scalar_variables_expr):  Do not pass loop_p.
5962         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5963         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5964         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5966 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5968         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5969         an expression to the gimple_expr_type of its assign statement.
5970         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5971         or tcc_declaration.
5973 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5975         PR tree-optimization/38786
5976         * gcc.dg/graphite/pr38786.c: New.
5977         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5978         the SSA_NAME case of expand_scalar_variables_expr.
5979         (expand_scalar_variables_expr): Also gather the scalar computation
5980         used to index the memory access.
5981         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5982         the gimple_stmt_iterator where it inserts new code.
5984 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5986         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5988 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5990         * opts.c (decode_options): Enable flag_graphite_identity and
5991         flag_loop_block in -O2 and above.
5993 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5995         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5996         Fix merge problem: replace with the file from trunk.
5998 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6000         * Merge from mainline (r141727:143163).
6002 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6003             Jan Sjodin  <jan.sjodin@amd.com>
6005         PR tree-optimization/38559
6006         * gcc.dg/graphite/pr38559.c: New.
6008         * graphite.c (debug_value, copy_constraint,
6009         swap_constraint_variables, scale_constraint_variable, ): New.
6010         (get_lower_bound, get_upper_bound): Removed.
6011         (graphite_trans_bb_strip_mine): Clean up this code that works
6012         only for constant number of iterations.  Fully copy upper and
6013         lower bound constraints, not only the constant part of them.
6014         * graphite.h (debug_value): Declared.
6016 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6018         PR tree-optimization/38492
6019         PR tree-optimization/38498
6020         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6021         * tree-chrec.h (scev_is_linear_expression): Declared.
6022         * graphite.c (graphite_cannot_represent_loop_niter): New.
6023         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6024         (graphite_loop_normal_form): Use gcc_assert.
6025         (scan_tree_for_params): Use CASE_CONVERT.
6026         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6027         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6028         Use gcc_assert.  Discard scops that contain unhandled cases.
6029         (build_scop_conditions): Return a boolean status for unhandled cases.
6030         (strip_mine_profitable_p): Print the loop number, not its depth.
6031         (is_interchange_valid): Pass the depth of the loop nest, don't
6032         recompute it wrongly.
6033         (graphite_trans_bb_block): Same.
6034         (graphite_trans_bb_block): Print tentative of loop blocking.
6035         (graphite_trans_scop_block): Do not print that the loop has been
6036         blocked.
6037         (graphite_transform_loops): Do not handle scops that contain condition
6038         scalar phi nodes.
6040         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6041         in trunk.
6042         * gcc.dg/graphite/block-0.c: Update test.
6043         * gcc.dg/graphite/block-1.c: Same.
6044         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6045         blocking.
6046         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6047         * gcc.dg/graphite/block-3.c: New.
6048         * gcc.dg/graphite/pr38498.c: New.
6050 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6052         PR tree-optimization/38510
6053         * gcc.dg/graphite/pr38510.c: New.
6054         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6055           (translate_clast): Call recompute_all_dominators before
6056           graphite_verify.
6057           (gloog): Call recompute_all_dominators before graphite_verify.
6059 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6061         PR tree-optimization/38492
6062         * graphite.c (rename_map_elt, debug_rename_elt,
6063         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6064         rename_map_elt_info, eq_rename_map_elts,
6065         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6066         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6067         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6068         (sese_build_livein_liveouts): New.
6069         (new_sese, free_sese): New.
6070         (new_scop): Call new_sese.
6071         (free_scop): Call free_sese.
6072         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6073         (register_old_new_names): Renamed register_old_and_new_names.
6074         (register_scop_liveout_renames, add_loop_exit_phis,
6075         insert_loop_close_phis, struct igp,
6076         default_liveout_before_guard, add_guard_exit_phis,
6077         insert_guard_phis, copy_renames): New.
6078         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6079         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6080         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6081         (scop_adjust_phis_for_liveouts): New.
6082         (gloog): Call scop_adjust_phis_for_liveouts.
6084         * graphite.h (struct sese): Documented.  Added fields liveout,
6085         num_ver and livein.
6086         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6087         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6088         (struct scop): Added field liveout_renames.
6089         (SCOP_LIVEOUT_RENAMES): New.
6091 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6093         PR tree-optimization/38409
6094         * gcc.dg/graphite/pr38409.c: New.
6095         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6097 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6099         * graphite.c (gcc_type_for_cloog_iv): By default return
6100         integer_type_node.
6101         (graphite_create_new_loop): Don't fold_convert the already
6102         fold_convert-ed expression.
6104 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6106         PR tree-optimization/38446
6107         * gcc.dg/graphite/pr38446.c: New.
6108         * graphite.c (register_bb_in_sese): New.
6109         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6110         looking at the bbs in the region.
6111         * graphite.h (sese): Add region_basic_blocks pointer set to
6112         structure and initialize at the time of defining new scop.
6114 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6116         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6117         (find_params_in_bb): Do not free data refs.
6118         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6120 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6122         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6123         * gcc.dg/graphite/scop-17.c: Same.
6124         * gcc.dg/graphite/block-5.c: New.
6125         * gcc.dg/graphite/block-6.c: New.
6126         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6127         * gcc.dg/graphite/pr37684.c: Same.
6128         * gcc.dg/graphite/block-2.c: Same.
6130         * graphite.c (struct ivtype_map_elt): New.
6131         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6132         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6133         gcc_type_for_cloog_iv): New.
6134         (loop_iv_stack_patch_for_consts): Use the type of the induction
6135         variable from the original loop, except for the automatically
6136         generated loops, i.e., in the case of a strip-mined loop, in
6137         which case there is no original loop: in that case just use
6138         integer_type_node.
6139         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6140         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6141         (clast_name_to_gcc): Accept params to be NULL.
6142         (clast_to_gcc_expression): Take an extra parameter for the type.
6143         Convert to that type all the expressions built by this function.
6144         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6145         (graphite_translate_clast_equation): Compute the type of the
6146         clast_equation before translating its LHS and RHS.
6147         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6148         (graphite_create_new_loop): Compute the type of the induction
6149         variable before translating the lower and upper bounds and before
6150         creating the induction variable.
6151         (rename_variables_from_edge, rename_phis_end_scop): New.
6152         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6153         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6154         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6155         compute_cloog_iv_types): New.
6156         (gloog): Call compute_cloog_iv_types before starting the
6157         translation of the clast.
6159         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6160         (GBB_CLOOG_IV_TYPES): New.
6161         (debug_ivtype_map): Declared.
6162         (oldiv_for_loop): New.
6164 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6166         PR middle-end/38459
6167         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6168         (param_index): Assert if parameter is not know after parameter
6169         detection.
6170         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6171         (find_scop_parameters): Mark, that we have finished parameter
6172         detection.
6173         (graphite_transform_loops): Move condition detection before parameter
6174         detection.
6175         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6176         * gfortran.dg/graphite/pr38459.f90: New.
6178 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6180         * graphite.c (graphite_transform_loops): Always call find_transform ()
6181         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6182         generate code.
6184 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6186         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6187         (print_scop): Ditto.
6189 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6191         PR middle-end/38084
6192         Fix gfortran.dg/graphite/id-3.f90.
6193         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6194         regions more than once.
6196 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6198         Fix gfortran.dg/graphite/id-4.f90.
6199         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6200         when not needed.
6202 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6204         Fix gfortran.dg/graphite/id-1.f90.
6205         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6206         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6207         (max_precision_type): New.
6208         (value_clast): Removed.
6209         (clast_to_gcc_expression): Be more careful to types of expressions.
6210         Use max_precision_type and update use of gmp_cst_to_tree.
6211         (graphite_translate_clast_equation): Use max_precision_type.
6212         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6213         use the type of the condition.
6214         (graphite_create_new_loop): Do not use integer_type_node, use the
6215         max_precision_type of lb and ub.
6217 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6219         * graphite.c (build_scops_1): Initialize open_scop.exit
6220         and sinfo.last.
6222 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6224         * gcc.dg/graphite/pr38084.c: New.
6225         * gfortran.dg/graphite/id-1.f90: New.
6226         * gfortran.dg/graphite/id-2.f90: New.
6227         * gfortran.dg/graphite/id-3.f90: New.
6228         * gfortran.dg/graphite/id-4.f90: New.
6229         * gfortran.dg/graphite/pr37857.f90: New.
6231 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6232             Jan Sjodin  <jan.sjodin@amd.com>
6233             Harsha Jagasia  <harsha.jagasia@amd.com>
6235         PR middle-end/37852
6236         PR middle-end/37883
6237         PR middle-end/37928
6238         PR middle-end/37980
6239         PR middle-end/38038
6240         PR middle-end/38039
6241         PR middle-end/38073
6242         PR middle-end/38083
6243         PR middle-end/38125
6245         * gcc.dg/graphite/pr38073.c: New.
6246         * gcc.dg/graphite/pr37928.c: New.
6247         * gcc.dg/graphite/pr37883.c: New.
6248         * gcc.dg/graphite/pr38125.c: New.
6249         * gfortran.dg/graphite/pr38083.f90: New.
6250         * gfortran.dg/graphite/pr37852.f90: New.
6251         * gfortran.dg/graphite/pr37980.f90: New.
6253         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6254         the number of detected scops.  Copy exact same test for loop
6255         blocking...
6256         * gcc.dg/graphite/block-1.c: Fix the number of expected
6257         loops to be blocked as reductions are not handled.
6258         * gcc.dg/graphite/block-4.c: ...here.  New.
6260         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6261         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6262         ...here.
6263         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6264         * Makefile.in (graphite.o): Depend on value-prof.h.
6265         (graphite.o-warn): Removed -Wno-error.
6266         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6267         to be a NULL pointer.  Call update_stmt.  Return the newly created
6268         cannonical induction variable.
6270         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6272         * graphite.c: Reimplement the code generation from graphite to gimple.
6273         Include value-prof.h.
6274         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6275         (get_old_iv_from_ssa_name): Removed.
6276         (graphite_stmt_p): New.
6277         (new_graphite_bb): Test for useful statements before building a
6278         graphite statement for the basic block.
6279         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6280         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6281         reason.
6282         (recompute_all_dominators, graphite_verify,
6283         nb_reductions_in_loop, graphite_loop_normal_form): New.
6284         (scop_record_loop): Call graphite_loop_normal_form.
6285         (build_scop_loop_nests): Iterate over all the blocks of the
6286         function instead of relying on the incomplete information from
6287         SCOP_BBS.  Return the success of the operation.
6288         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6289         (add_bb_domains): Removed.
6290         (build_loop_iteration_domains): Don't call add_bb_domains.
6291         Add the iteration domain only to the basic blocks that have been
6292         translated to graphite.
6293         (build_scop_conditions_1): Add constraints only if the basic
6294         block have been translated to graphite.
6295         (build_scop_data_accesses): Completely disabled until data
6296         dependence is correctly implemented.
6297         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6298         (remove_all_edges_1, remove_all_edges): Removed.
6299         (get_new_name_from_old_name): New.
6300         (graphite_rename_variables_in_stmt): Renamed
6301         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6302         Use replace_exp and update_stmt.
6303         (is_old_iv): Renamed is_iv.
6304         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6305         Use replace_exp and update_stmt.
6306         (expand_scalar_variables_expr): Same.  Use the map to get the
6307         new names for the renaming of induction variables and for the
6308         renaming of variables after a basic block has been copied.
6309         (expand_scalar_variables): Same.
6310         (graphite_rename_variables): Renamed rename_variables.
6311         (move_phi_nodes): Removed.
6312         (get_false_edge_from_guard_bb): New.
6313         (build_iv_mapping): Do not insert the induction variable of a
6314         loop in the renaming iv map if the basic block does not belong
6315         to that loop.
6316         (register_old_new_names, graphite_copy_stmts_from_block,
6317         copy_bb_and_scalar_dependences): New.
6318         (translate_clast): Heavily reimplemented: copy basic blocks,
6319         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6320         At each translation step call graphite_verify ensuring the
6321         consistency of the SSA, loops and dominators information.
6322         (collect_virtual_phis, find_vdef_for_var_in_bb,
6323         find_vdef_for_var_1, find_vdef_for_var,
6324         patch_phis_for_virtual_defs): Removed huge hack.
6325         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6326         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6327         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6328         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6329         if_region_get_condition_block, if_region_set_false_region,
6330         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6331         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6332         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6333         rewrite_into_sese_closed_ssa): New.
6334         (gloog): Remove dead code.  Early return if code cannot be
6335         generated.  Call cleanup_tree_cfg once the scop has been code
6336         generated.
6337         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6338         block loops with less than two loops.
6339         (graphite_apply_transformations): Remove the call to
6340         scop_remove_ignoreable_gbbs.
6341         (limit_scops): When build_scop_loop_nests fails, continue on
6342         the next scop.  Fix open_scop.entry.
6343         (graphite_transform_loops): Call recompute_all_dominators: force the
6344         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6345         Call initialize_original_copy_tables and free_original_copy_tables
6346         to be able to copy basic blocks during code generation.
6347         When build_scop_loop_nests fails, continue on next scop.
6348         (value_clast): New union.
6349         (clast_to_gcc_expression): Fix type cast warning.
6351 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6353         * Merge from mainline (r140838:141727).
6355 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6357         PR middle-end/37833
6359         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6361 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6363         PR middle-end/37943
6365         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6366         exits and conditions.
6367         * gcc.dg/graphite/pr37943.c: New.
6369 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6371         PR middle-end/37886
6372         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6374 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6376         * doc/invoke.texi: Fix spaces.
6378 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6380         PR tree-optimization/37891
6381         Reverted last commit.
6382         * graphite.c (create_single_entry_edge): Set
6383         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6385 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6386             Mitul Thakkar  <mitul.thakkar@amd.com>
6388         * graphite.c (create_single_entry_edge): Set
6389         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6391 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6393         * doc/invoke.texi: Add -fgraphite-identity.
6394         * graphite.c (graphite_apply_transformations): Check for
6395         -fgraphite-identity.
6396         * toplev.c (process_options): Add flag_graphite_identity.
6397         * tree-ssa-loop.c: Add flag_graphite_identity.
6399 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6401         Undo changes from 2008-10-02:
6402         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6403         operand type when copying the operand to a variable of different type.
6404         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6405         with the IV name after increment.
6407 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6408             Harsha Jagasia  <harsha.jagasia@amd.com>
6410         PR tree-optimization/37828
6411         * gcc.dg/graphite/pr37828.c: New.
6412         * graphite.c (graphite_trans_loop_block): Do not loop block
6413         single nested loops.
6415 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6416             Sebastian Pop  <sebastian.pop@amd.com>
6418         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6419         rename_map_elt_info, eq_rename_map_elts): New.
6420         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6421         (expand_scalar_variables_expr): Change parameters.
6422         (expand_scalar_variables_stmt): Same.
6423         (expand_scalar_variables): Same.
6424         (graphite_rename_ivs): Rename graphite_rename_variables.
6425         (build_iv_mapping): New.
6426         (translate_clast): Call build_iv_mapping.
6427         * graphite.h (gbb_p): New name.
6429 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6431         PR tree-optimization/37684
6432         * gcc.dg/graphite/pr37684.c: New.
6433         * graphite.c (exclude_component_ref): New.
6434         (is_simple_operand): Call exclude_component_ref.
6436 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6437             Harsha Jagasia  <harsha.jagasia@amd.com>
6439         PR tree-optimization/37485
6440         * gcc.dg/graphite/block-2.c: New
6441         * graphite.c (gmp_cst_to_tree): Moved.
6442         (iv_stack_entry_is_constant): New.
6443         (iv_stack_entry_is_iv): New.
6444         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6445         (loop_iv_stack_insert_constant): New.
6446         (loop_iv_stack_pop): Use new datatpype.
6447         (loop_iv_stack_get_iv): Same.
6448         (loop_iv_stack_get_iv_from_name): Same.
6449         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6450         (loop_iv_stack_patch_for_consts): New.
6451         (loop_iv_stack_remove_constants): New.
6452         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6453         (translate_clast): Call loop_iv_stack_patch_for_consts and
6454         loop_iv_stack_remove_constants.
6455         (gloog): Use new datatype.  Redirect construction edge to end
6456         block to avoid accidental deletion.
6457         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6458         iv stack entry.
6459         (union iv_stack_entry_data): New.  Data in iv stack entry.
6460         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6462 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6464         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6465         operand type when copying the operand to a variable of different type.
6467 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6469         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6470         with the IV name after increment.
6472 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6474         * Merge from mainline (r140164:140838).
6476 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6478         * graphite-data-ref.c: New.
6479         * graphite.c (print_scop): Also dump the dependence graph.
6480         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6481         (new_scop): Initialize SCOP_DEP_GRAPH.
6482         (build_scop_dynamic_schedules): New.
6483         (build_access_matrix_with_af): Fixed column numbering.
6484         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6485         * graphite.h: Add ifndef/define guards against multiple inclusion.
6486         (struct scop): Add dep_graph field.
6487         (SCOP_DEP_GRAPH): Defined.
6488         (ref_nb_loops): Fixed and moved to other position.
6489         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6490         (nb_loops_around_loop_in_scop): New.
6491         (graphite_dump_dependence_graph): Declared.
6492         (graphite_build_rdg_all_levels): Declared.
6493         (graphite_test_dependence): Declared.
6494         * Makefile.in (graphite-data-ref.o): New target.
6496 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6498         * Merge from mainline (139870:140164).
6500 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6502         * Merge from mainline (138275:139870).
6503         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6504         the commits from trunk broke the niter detection.
6506 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6508         * graphite.c: Add more documentation.  Fix formatting.
6509         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6510         loop_iv_stack_debug): Moved...
6511         (schedule_to_scattering): Move before use.
6512         (dot_all_scops): Include in "#if 0" the code for system
6513         call dotty.
6515         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6516         loop_iv_stack_debug): ...here.
6518 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6520         * tree-phinodes.c (make_phi_node): Extern.
6521         (add_phi_node_to_bb): New.
6522         (create_phi_node): Call add_phi_node_to_bb.
6523         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6524         (remove_statement): Handle case where stored phi was updated
6525         and is no longer the same.
6526         * graphite.c (is_parameter): New.
6527         (is_old_iv): New.
6528         (expand_scalar_variables_expr): New.
6529         (expand_scalar_variables_stmt): New.
6530         (expand_scalar_variables): New.
6531         (move_phi_nodes): Create new phi instead of moving old one.
6532         (translate_clast): Call expand_scalar_variables.
6533         (find_vdef_for_var_in_bb): Also scan regular definitions.
6534         (skip_phi_defs): New.
6535         (collect_scop_exit_phi_args): New.
6536         (patch_scop_exit_phi_args): New.
6537         (gloog): Patch phis after scop.
6538         * tree-flow.h: (add_phi_node_to_bb): Declared.
6539         (make_phi_node): Declared.
6541 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6543         * graphite.c (end_scop): Split the entry of the scop when it
6544         is the header of the loop in which the scop is ending.
6545         (build_scops_1, limit_scops): Update uses of end_scop.
6547 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6549         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6550         SCOP_ENTRY or SCOP_EXIT.
6552 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6554         * graphite.c (get_construction_edge): Removed.
6555         (gloog): Construction edge is the scop entry edge.
6557 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6559         * graphite.c (can_generate_for_scop): Removed.
6560         (gloog): Do not call it.
6562 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6564         * graphite.c (new_scop): Entry of a scop is an edge.
6565         Initialize SESE region.
6566         (free_scop): Free SESE region.
6567         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6568         (split_difficult_bb): New, split from end_scop.
6569         (end_scop): Exit of a scop is an edge.
6570         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6571         not automatically updated and thus is always wrong.
6572         * graphite.h (struct sese): New.
6573         (SESE_ENTRY): New.
6574         (SESE_EXIT): New.
6575         (struct scop): New field for a SESE region.  Remove entry, exit.
6576         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6577         semantics as before.  Moved comment around.
6579 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6580             Sebastian Pop  <sebastian.pop@amd.com>
6582         * graphite.c (graphite_transform_loops): Always enable gloog
6583         and find_transform when ENABLE_CHECKING.
6585 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6587         * graphite.c (graphite_transform_loops): Move pretty printer
6588         of SCOPs before doing any transform.  Remove call to print_scops
6589         and dot_all_scops_1.
6591 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6593         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6594         (print_graphite_bb): Same.
6596 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6598         * graphite.c (dot_all_scops_1): Cleanup.
6599         (move_scops): Fix comment.
6601 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6603         * graphite.c (build_scop_bbs): Revert commit 139355:
6605         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6606                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6608                 * graphite.c (build_scop_bbs): Factor up code.
6610 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6612         * graphite.c (gloog): Update dominator info.
6614 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6616         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6618 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6620         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6621         initialization.
6622         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6623         (translate_clast): Correct formatting.
6624         * graphite.h (struct num_map): Removed.
6625         (struct graphite_bb): Remove num_map field.
6626         (GBB_INDEX_TO_NUM_MAP): Removed.
6628 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6630         * graphite.c (build_access_matrix_with_af): Fix comments.
6631         (build_scop_data_accesses): Same.
6633 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6635         * graphite.c (build_scop_data_accesses): Don't construct
6636         access matrices.  Add a FIXME and an assert condition that
6637         should pass when the access matrices will be needed.
6639 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6641         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6642         really_constant_p.
6643         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6644         Moved close by free_graphite_bb.
6645         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6646         (new_scop): Move close by free_scop.
6647         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6649 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6651         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6652         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6653         instead of recursive call.
6654         (graphite_translate_clast_equation): New.
6655         (graphite_create_guard_cond_expr): New.
6656         (graphite_create_new_guard): New.
6657         (get_stack_index_from_iv): Removed.
6658         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6659         (get_true_edge_from_guard_bb): New.
6660         (translate_clast): Handle stmt_guard in clast.
6661         (get_construction_edge): Allow construction edge detection for
6662         a scope entry with multiple predecessors if one predecessor is
6663         the immediate dominator of scope entry.
6664         (can_generate_code_stmt): Enable code generation for clast_guard.
6665         (gloog): Use correct context loop.  Removed check for post dominators.
6666         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6668 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6670         * graphite.c (remove_dead_loops): Document better which
6671         loops are removed.
6673 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6675         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6676         and PPLINC.
6677         (graphite.o): Also depends on pointer-set.h.
6679 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6681         * graphite.c (scop_record_loop): Fix compile warning.
6683 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6684             Sebastian Pop  <sebastian.pop@amd.com>
6686         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6688 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6690         * graphite.c (build_graphite_bb): Initialize bb->aux to
6691         point to the graphite_bb_p.
6692         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6693         content of bb->aux.
6694         (add_bb_domains): Does not use the scop parameter.
6695         (graphite_transform_loops): Clean bb->aux at the end.
6697 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6698             Sebastian Pop  <sebastian.pop@amd.com>
6700         * lib/target-supports.exp
6701         (check_effective_target_fgraphite): New.
6703         * gcc.dg/graphite/graphite.exp: Early exit when
6704         check_effective_target_fgraphite returns false.
6705         Set dg-do-what-default to compile.
6706         (scan-graphite-dump-times): Removed.
6707         * gfortran.dg/graphite/graphite.exp: Same.
6709         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6710         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6711         * gcc.dg/graphite/scop-1.c: Same.
6712         * gcc.dg/graphite/scop-2.c: Same.
6713         * gcc.dg/graphite/scop-3.c: Same.
6714         * gcc.dg/graphite/scop-4.c: Same.
6715         * gcc.dg/graphite/scop-5.c: Same.
6716         * gcc.dg/graphite/scop-6.c: Same.
6717         * gcc.dg/graphite/scop-7.c: Same.
6718         * gcc.dg/graphite/scop-8.c: Same.
6719         * gcc.dg/graphite/scop-9.c: Same.
6720         * gcc.dg/graphite/scop-10.c: Same.
6721         * gcc.dg/graphite/scop-11.c: Same.
6722         * gcc.dg/graphite/scop-12.c: Same.
6723         * gcc.dg/graphite/scop-13.c: Same.
6724         * gcc.dg/graphite/scop-matmult.c: Same.
6725         * gcc.dg/graphite/scop-14.c: Same.
6726         * gcc.dg/graphite/scop-15.c: Same.
6727         * gcc.dg/graphite/block-0.c: Same.
6728         * gcc.dg/graphite/scop-16.c: Same.
6729         * gcc.dg/graphite/block-1.c: Same.
6730         * gcc.dg/graphite/scop-17.c: Same.
6731         * gcc.dg/graphite/scop-18.c: Same.
6732         * gfortran.dg/graphite/block-1.f90: Same.
6733         * gfortran.dg/graphite/scop-1.f: Same.
6734         * gfortran.dg/graphite/block-2.f: Same.
6736 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6738         * graphite.c: Fix some XXX comments.
6739         (build_scop_dynamic_schedules): Removed.
6741 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6743         * graphite.h (scop_max_loop_depth): Moved...
6744         * graphite.c (scop_max_loop_depth): ...here.
6745         (remove_all_edges_1): New.
6746         (remove_all_edges): Factored code.
6747         (remove_cond_exprs): Check only the last statement for
6748         a GIMPLE_COND expression.
6750 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6752         * graphite.c (scan_tree_for_params): Early return when the
6753         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6754         (find_scop_parameters): Factor out code.
6755         (graphite_trans_bb_strip_mine): Remove dead code.
6757 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6759         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6760         graphite_trans_bb_move_loop): Factor asserts.
6761         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6762         Do not call calculate_dominance_info and estimate_bb_frequencies.
6764 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6766         * graphite.c (create_loops_mapping, free_loops_mapping,
6767         create_loops_mapping_num, debug_loop_mapping_1,
6768         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6769         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6770         graphite_loops_mapping_add_child_num,
6771         graphite_loops_mapping_insert_child,
6772         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6773         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6774         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6775         create_num_from_index, get_num_from_index,
6776         swap_loop_mapped_depth): Removed.
6777         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6778         (free_scop): Do not call free_loops_mapping.
6779         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6780         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6781         get_loop_mapped_depth.
6782         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6783         (graphite_trans_bb_strip_mine): Same.
6784         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6785         (struct scop): Remove field loops_mapping.
6787 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6788             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6790         * graphite.c (scop_record_loop): Factor out one level of the
6791         condition by early return.
6792         (build_scop_loop_nests): Format following FSF coding style.
6793         (build_scop_dynamic_schedules): Factor out code.
6794         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6796 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6797             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6799         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6800         assignments that are not handled as simple operands for now.
6802 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6803             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6805         * graphite.c (build_scop_bbs): Factor up code.
6807 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6808             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6810         * graphite.c (stmt_simple_for_scop_p): Factor code out
6811         of the loop.
6812         (enum gbb_type): New.  Group all the GBB_* types under it.
6813         (is_loop_exit): Moved...
6814         (end_scop): Enable BB spliting.
6815         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6816         * cfgloop.h (is_loop_exit): Declared.
6818 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6820         * doc/invoke.texi: Remove strides from examples containing
6821         DO loops when the strides are equal to 1.
6823 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6824             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6826         * graphite.c (graphite_trans_scop_block): Or the result with
6827         the result from graphite_trans_loop_block.
6828         * gcc.dg/graphite/block-1.c: New.
6829         * gfortran.dg/graphite/block-1.f90: New.
6830         * gfortran.dg/graphite/block-2.f: New.
6832 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6834         * graphite.c (graphite_transform_loops): Call cloog_initialize
6835         and cloog_finalize.
6837 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6839         * tree-data-ref.c) (stmt_simple_memref_p): New.
6840         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6841         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6842         (is_simple_operand): Call stmt_simple_memref_p.
6844         * gcc.dg/graphite/scop-matmult.c: Updated for not
6845         using pointer arithmetic, as this is optimized by PRE and
6846         makes the code too difficult to analyze.
6848         * gcc.dg/graphite/scop-18.c: Same.
6850 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6852         * gdbinit.in (pgg): New.
6854 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6856         * graphite.c (graphite_trans_loop_block): Fix warning.
6858 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6860         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6862 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6864         * graphite.c (graphite_trans_bb_block): Remove check for
6865         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6866         Check if loop blocking is profitable for every loop, before applying
6867         the changes.
6868         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6869         if flag_loop_block is set.
6871 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6873         * graphite.c: Add some more documentation for the loop
6874         mapping.
6876 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6878         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6879         * graphite.c: Format on less than 80 columns.
6880         * graphite.h: Same.
6882 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6884         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6886 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6888         * doc/invoke.texi (floop-block, floop-strip-mine,
6889         floop-interchange): Update documentation with examples.
6891 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6893         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6894         add_referenced_var.
6895         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6897 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6899         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6900         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6901         * tree-scalar-evolution.c: Revert useless changes.
6902         * tree-phinodes.c: Same.
6903         * cfghooks.c: Same.
6904         * vec.h: Same.
6905         * tree-vectorizer.h: Same.
6906         * tree-flow.h: Same.
6907         * tree-cfg.c: Same.
6908         * common.opt (fgraphite): Update documentation.
6910 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6912         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6913         -floop-interchange): Add more text for explaining what each of these
6914         flags is doing.
6915         * tree-into-ssa.c (gimple_vec): Moved to...
6916         * graphite.c: Include gimple.h.
6917         (gimple_vec): Moved to...
6918         (del_loop_to_cloog_loop): Removed.
6919         (loop_affine_expr): Do not call create_data_ref when the
6920         operand is a constant.
6921         (new_scop): Use free instead of del_loop_to_cloog_loop.
6922         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6923         * gimple.h (gimple_vec): ... here.
6925 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6927         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6928         latch executions.
6929         (build_loop_iteration_domains): Fail, if latch executions unknown.
6931 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6933         * graphite.c (add_conditions_to_domain): New.
6934         (build_scop_conditions_1): Call add_conditions_to_domain.
6935         (set_cloog_options): Allow to disable optimizations.
6937 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6939         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6940         Do not use walk_dominator_tree.
6941         (find_scop_parameters): Do not use walk_dominator_tree.
6943 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6945         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6946         (idx_record_params): Adapt.
6947         * graphite.h (scop_gimple_loop_depth): New.
6949 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6951         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6952         (scan_tree_for_params): Remove value_init.
6953         (build_scop_context): Remove value_init.
6954         (build_loop_iteration_domains): Remove value_init.
6955         (schedule_to_scattering): Remove value_init.
6956         (graphite_trans_bb_strip_mine): Remove value_init.
6958 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6960         * gcc/graphite.c (limit_scops): New.
6961         (graphite_transform_loops): Add limit SCoPs.
6962         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6963         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6964         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6965         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6966         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6967         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6968         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6969         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6970         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6971         Change loop numbers.
6972         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6973         Change loop numbers.
6974         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6975         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6976         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6977         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6978         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6979         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6980         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6981         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6982         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6983         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6985 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6987         * graphite.c (graphite_transform_loops): Call always find_transform.
6989 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6991         * graphite.c (free_loops_mapping): New.
6992         (stmt_simple_for_scop_p): Fix typo.
6993         (stmt_simple_for_scop_p): Fix tuples functions, that
6994         broke polyhedron.
6995         (free_graphite_bb): Fix some memleaks.
6996         (free_scop): Fix some memleaks.
6997         (scopdet_bb_info): Do not forget some tmp SCoPs.
6998         (find_params_in_bb): Fix some memleaks.
6999         (clast_to_gcc_expression): Fix warning.
7001 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7003         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7004         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7006 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7008         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7009         Move code ifdef-ed HAVE_cloog...
7010         * graphite.c: Include toplev.h.
7011         ... here.
7012         * Makefile.in (OBJS-common): Always build graphite.o.
7013         (BACKEND): Remove @GRAPHITE@.
7014         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7015         (graphite.o): Depend on TOPLEV_H.
7017 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7019         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7020         Remove typo left from polylib to ppl conversion.
7021         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7023 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7025         * toplev.c (process_options): Move the graphite loop optimization
7026         flags...
7027         * tree-ssa-loop.c (graphite_transforms): ... here.
7028         When not configured with CLooG, print to dump_file that
7029         Graphite transforms were not performed.
7030         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7031         New.
7032         * gcc.dg/graphite/*.c: Updated all testcases to use
7033         scan-graphite-dump-times.
7035 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7037         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7038         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7040 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7041             Jan Sjodin  <jan.sjodin@amd.com>
7043         * configure: Regenerated.
7044         * omp-low.c (expand_omp_sections): Remove now unused code.
7045         * config.in (HAVE_polylib): Removed.
7046         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7047         (PPLLIBS, PPLINC): Added.
7048         * graphite.c: Replace unsigned with int wherever possible.
7049         Don't access Cloog's data structures, but use accessor functions.
7050         Clast's stmt->type is now implemented as a vtable: change the
7051         switches of stmt->type into ifs.
7052         (polylib/polylibgmp.h): Don't include.
7053         (initialize_dependence_polyhedron,
7054         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7055         statement_precedes_p, test_dependence, build_rdg_all_levels,
7056         dump_dependence_graph): Removed until this code is cleaned up
7057         or ported to Cloog.
7058         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7059         (POLYLIBINC): Renamed PPLINC.
7061 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7062             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7063             Jan Sjodin  <jan.sjodin@amd.com>
7065         Finish the merge and tuplification of graphite.
7067 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7068             Jan Sjodin  <jan.sjodin@amd.com>
7070         Partial merge from mainline (138072:138275).
7071         * graphite.c still has to be tuplified.
7073 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7075         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7076         (create_num_from_index): New.
7077         (get_num_from_index): Also pass in the graphite BB.
7078         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7079         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7080         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7081         (is_interchange_valid): Return false when failing.
7082         * graphite.h (struct num_map): New.
7083         (struct graphite_bb): New field num_map.
7084         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7086 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7088         * graphite.c (dump_gbb_conditions): Print also conditions like
7089         "if (a)".  Remove dublicated code and use print_generic_expr ().
7090         (stmt_simple_for_scop_p): Only allow conditions we can handle
7091         {<, <=, >, >=}.
7093 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7095         * graphite.h (struct scop): Removed new_ivs field.
7096         (SCOP_NEWIVS): Deleted.
7097         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7098         clast_to_gcc_expression, graphite_create_new_loop):
7099         Removed use of new_ivs.
7101 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7103         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7104         create_loops_mapping_num, debug_loop_mapping_1): New.
7105         (debug_loop_mapping): Call debug_loop_mapping_1.
7106         (get_loop_mapping_for_num,
7107         graphite_loops_mapping_add_child,
7108         graphite_loops_mapping_add_child_num,
7109         graphite_loops_mapping_insert_child,
7110         graphite_loops_mapping_parent,
7111         split_loop_mapped_depth_for_num,
7112         loop_mapped_depth_split_loop): New.
7113         (increment_loop_mapped_depths): Removed.
7114         (swap_loop_mapped_depth_for_num): Reimplemented.
7115         (new_scop): Call create_loops_mapping.
7116         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7117         (translate_clast): Pass the old loop father in parameter, and pass
7118         it to get_old_iv_from_ssa_name.
7119         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7120         can_generate_code, can_generate_for_scop): New.
7121         (graphite_trans_bb_block): Returns false when it fails to transform.
7122         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7124 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7126         Reverted all the changes related to the streamization and
7127         loop fusion.
7128         These changes are now tracked in the streamization branch.
7130 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7131             Jan Sjodin  <jan.sjodin@amd.com>
7133         * graphite.c (gbb_compare): Correctly constify.
7134         (gbb_can_be_ignored): Indent.
7135         (graphite_trans_scop_swap_1and2): Add legality check.
7136         Remove dead FIXMEs.
7138 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7140         Remove fallouts from "Reverted the Condate changes".
7141         * tree.h: Remove unused decl.
7142         * gcc.dg/tree-checker: Same.
7143         * timevar.def: Remove counter.
7145 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7147         * Merge from mainline (135673:138072).
7149         Reverted the MIRO changes (from 2008-04-05) that are now
7150         tracked in the miro branch.
7151         * tree-bounds.c: Removed.
7152         * tree-bounds.h: Removed.
7154         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7155         are now tracked in the condate branch.
7156         * tree-check.c: Removed.
7157         * tree-match.c: Removed.
7158         * condate.y: Removed.
7160 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7162         * common.opt: New user flag -floop-block, -floop-strip-mine
7163         and -floop-interchange.
7164         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7165         graphite loop optimization flags is turned on.
7166         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7167         flag_loop_strip_mine and flag_loop_interchange checks before
7168         optimizations.
7169         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7170         -floop-strip-mine and -floop-interchange.
7171         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7172         -fgraphite.
7173         * gcc.dg/graphite/scop-16.c: Ditto.
7174         * gcc.dg/graphite/scop-17.c: Ditto.
7175         * gcc.dg/graphite/scop-18.c: Ditto.
7177 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7178             Sebastian Pop  <sebastian.pop@amd.com>
7180         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7181         (create_empty_loop_on_edge): More fixes.
7182         * tree-phinodes.c (resize_phi_node): Extern.
7183         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7184         * cfghooks.c (update_dominator_information): New split from
7185         split_edge.
7186         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7187         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7188         successor of the function entry block.
7190         * graphite.c: Include pointer-set.h.
7191         (debug_loop_mapping, increment_loop_mapped_depths,
7192         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7193         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7194         swap_loop_mapped_depth_for_num, get_num_from_index,
7195         swap_loop_mapped_depth, loop_iv_stack_debug,
7196         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7197         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7198         get_old_iv_from_ssa_name): New.
7199         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7200         (free_scop): Free SCOP_LOOPS_MAPPING.
7201         (scop_record_loop): Record old ivs.
7202         (create_var_name): Removed.
7203         (initialize_cloog_names): Allocate double space in case strip mine
7204         applies to all loops once.
7205         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7206         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7207         translation.
7208         (graphite_create_new_loop): Pass in ivstack.
7209         (remove_all_edges): Pass in the construction_edge.
7210         (graphite_remove_iv): Removed.
7211         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7212         remove_cond_exprs): Rewritten.
7213         (move_phi_nodes): New.
7214         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7215         (translate_clast): Pass in ivstack.  Rewrite some cases.
7216         (set_cloog_options, debug_clast_stmt): New.
7217         (find_transform): Use set_cloog_options.
7218         (outermost_loop_layer): Removed.
7219         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7220         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7221         mark_old_loops, remove_dead_loops): New.
7222         (gloog): Rewritten.
7223         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7224         (const_column_index, get_first_matching_sign_row_index,
7225         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7226         get_upper_bound): New.
7227         (graphite_trans_bb_strip_mine): Also update the iv map.
7229         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7230         (struct name_tree): Add a loop field.
7231         (struct scop): Add a graphite_loops_mapping field.
7232         (SCOP_LOOPS_MAPPING): New.
7233         (debug_clast_stmt): Declare.
7234         * lambda.h (find_induction_var_from_exit_cond): Declare.
7235         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7236         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7237         (create_empty_loop_on_edge): Updated.
7238         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7239         rename_variables_in_bb): Declare.
7240         * tree-cfg.c (remove_bb): Extern.
7242         * gcc.dg/graphite/block-0.c: New.
7244 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7245             Sebastian Pop  <sebastian.pop@amd.com>
7247         * graphite.c (strip_mine_profitable_p): New.
7248         (graphite_trans_bb_block): Disable strip mining if not profitable.
7250         * gcc.dg/graphite/scop-18.c: New.
7251         * gcc.dg/graphite/scop-17.c: Fixed.
7252         * gcc.dg/graphite/scop-16.c: Fixed.
7254 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7255             Jan Sjodin  <jan.sjodin@amd.com>
7256             Sebastian Pop  <sebastian.pop@amd.com>
7258         * graphite.c (is_interchange_valid): New.
7259         (graphite_trans_bb_block): Check loop nest of basic block for legality
7260         of interchange.
7262         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7263         outer_most_loop, gbb_outer_most_loop_index): New.
7265         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7266         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7267         * gcc.dg/graphite/scop-16.c: New.
7268         * gcc.dg/graphite/scop-17.c: New.
7270 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7272         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7273         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7275 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7277         * graphite.c (new_scop): Initialize SCOP_EXIT.
7278         (scopdet_info): Add.
7279         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7280         (build_scops_1): Cleanup, bugfixes.
7281         (build_scops): Cleanup.
7283         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7284         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7286 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7288         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7290         * gfortran.dg/graphite/graphite.exp: Use
7291         DEFAULT_GRAPHITE_FLAGS.
7293         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7295 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7297         * graphite.c (scan_tree_for_params): Do not assert any more if
7298         MULT_EXPR parameter is negative.
7300         * gfortran.dg/graphite/scop-1.f: New.
7302         * gfortran.dg/graphite/graphite.exp: New.
7304         * gcc.dg/graphite/scop-15.c: New.
7306 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7308         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7310 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7312         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7313         graphite_swap_loops.
7314         (graphite_trans_bb_move_loop): New.
7315         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7316         (graphite_trans_bb_block): New.
7317         (graphite_trans_loop_block): New.
7318         (graphite_trans_scop_swap_1and2): Rename from
7319         graphite_trans_swap_1and2.
7320         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7321         (graphite_trans_scop_block): New.
7322         (graphite_apply_transformations): Rename from
7323         graphite_transformations.
7325         * gcc.dg/graphite/scop-matmult.c: New.
7327 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7329         * graphite.c (gbb_compare): New.
7330         (graphite_sort_gbbs): New.
7331         (gbb_can_be_ignored): New.
7332         (scop_remove_ignoreable_gbbs): New.
7333         (graphite_transformations): Cleanup and add
7334         scop_remove_ignoreable_gbbs.
7335         * lambda.h (lambda_vector_compare): New.
7337 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7339         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7340         (graphite_swap_loops): int -> unsigned
7341         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7342         (graphite_transformations): New.
7343         (graphite_transform_loops): Move to graphite_transformations.
7344         * graphite.h (gbb_nb_loops): Return unsigned.
7346 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7348         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7349         the domain matrix.  This makes scop-0.c work again.
7351 2008-06-20  Richard Guenther  <rguenther@suse.de>
7353         * graphite.h: Adjust copyright to GPLv3.
7354         * graphite.c: Likewise.
7355         (stmt_simple_memref_for_scop_p): Split out from ...
7356         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7357         and simplify.
7358         (get_bb_type): Optimize.
7359         (is_pred): Remove.
7360         (is_bb_addable): Fix memleak, replace is_pred call with
7361         single_pred.
7362         (build_scops): Use current_loops.
7363         (param_index): Fix memleak.
7365 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7367         * graphite.c: Fix formatting.
7369 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7371         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7372         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7373         (create_var_name, save_var_name): Newly defined functions.
7374         (initialize_cloog_names): Part of the code factored out to
7375         save_var_name.
7376         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7377         in clast_reduction statement.
7378         (graphite_create_new_loop): Now takes a new parameter
7379         for outer_loop.
7380         (translate_clast): Now also takes the context_loop and bb_exit
7381         parameters. Rewritten the code so that it creates a gimple code
7382         inside the given context.
7383         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7384         remove_cond_expr, disconnect_cond_expr,
7385         disconnect_virtual_phi_nodes): Newly defined functions.
7386         * graphite.h (struct scop): added old_ivs vector.
7387         SCOP_OLDIVS: New macro.
7389 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7391         * cfgloopmanip.c: Add missing function comments, fix formatting.
7393 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7395         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7396         (create_empty_loop_on_edge): Defined.
7397         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7398         instead of void.
7399         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7400         (update_dominators_in_loop): Declared as extern
7401         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7403 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7405         * graphite.c (print_graphite_bb): Allow changing number of loops
7406         in SCoP domain.
7407         (initialize_cloog_names): Allow changing number of loops.
7408         (build_cloog_prog): Simplify.
7409         (find_transform): Enable cloog option --strides.
7410         (graphite_swap_loops): New.
7411         (graphite_strip_mine_loop): New.
7412         (graphite_trans_swap_1and2): New.
7413         (graphite_trans_strip): New.
7414         (graphite_transform_loops): Add graphite_trans_strip.
7415         * graphite.h (scop_max_loop_depth): New.
7417 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7419         * graphite.c (build_scop_iteration_domain): Remove forgotten
7420         line. (Fixes compile)
7422 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7424         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7425         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7426         (build_bb_loops): New.
7427         (graphite_transform_loops): Add build_bb_loops.
7428         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7429         numbers.
7430         * graphite.h (graphite_bb): Add loops.
7431         (gbb_nb_loops): New.
7432         (gbb_loop_at_index): New.
7433         (gbb_loop_index): New.
7434         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7435         using nb_params_in_scop.
7437 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7439         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7440         (build_scop_canonical_schedules): Build minimized schedule.
7441         (schedule_to_scattering): Adapt to minimized schedule.
7442         * graphite.h (graphite_bb): Add/Update descriptions.
7444 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7445             Tobias Grosser  <grosser@fim.uni-passau.de>
7447         * graphite.c (print_graphite_bb): Add condition printing.
7448         (dump_value): New.
7449         (dump_gbb_conditions): New.
7450         (build_scop_conditions_1): New.
7451         (build_scop_conditions): New.
7452         * graphite.h (graphite_bb): Add conditions.
7454 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7456         * graphite.c (print_graphite_bb):
7457         (free_graphite_bb): New.
7458         (free_scop): Free bbs.
7459         (get_bb_type): Free doms.
7460         (build_scop_context): Free context matrix.
7461         (build_loop_iteration_domains): Remove unused code.
7462         (build_cloog_prog): Free scattering function and blocklist.
7463         (find_transform): Free options.
7465 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7467         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7468         Remove unnecessery cloog data structures. Make a copy of the domain
7469         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7470         unnecessary cloog data structures. Fix memory leaks. Remove insert
7471         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7472         used.
7473         (build_scop_iteration_domain): Remove unnecessary cloog
7474         data structures.  Fix memory leaks.
7475         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7476         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7478 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7480         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7482 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7484         * graphite.c (end_scop): Style fix.
7485         (schedule_to_scattering): Style and comment fix.
7487 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7488         * graphite.c (print_graphite_bb): Fix definiton of
7489         schedule_to_scattering.
7490         (initialize_cloog_names): Change nb_scattdims to max loop
7491         depth in SCoP.
7492         (schedule_to_scattering): Take parameter for number of scattering
7493         dimensions.
7494         (build_cloog_prog): Only build as much scattering dimensions as
7495         necessary.
7497 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7499         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7500         in polyhedron/aermod.f90.
7502 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7503             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7504             Harsha Jagasia  <harsha.jagasia@amd.com>
7506         * graphite.c (is_bb_addable): Fix segfault.
7508 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7510         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7511         with multiple exits and conditional handling in edge cases.
7512         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7514         * gcc.dg/graphite/scop-14.c: New.
7516 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7517             Adrien Eliche  <aeliche@isty.uvsq.fr>
7519         * graphite.c (is_bb_addable): Add more comments and enhance
7520         readablity of the source code. Fix memory leak.
7521         (is_loop_exit): Fix memory leak.
7523 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7525         * graphite.c (first_loop_in_scop): Deleted.
7526         (setup_cloog_loop): Only walk the loop chain for inner loops.
7527         (build_scop_iteration_domain): Execute setup_cloog_loop for
7528         all loops in the first layer.
7530 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7532         * graphite.c (scan_tree_for_params): Change the way params are
7533         added to be indepenent of the number of loops.
7534         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7535         handling.
7536         (build_cloog_prog): Revert to short matrix format.
7538 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7539             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7541         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7542         warning.
7544 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7546         * graphite.c (nb_data_refs_in_scop): New.
7547         (graphite_transform_loops): Print more stats: number of
7548         loops, basic blocks and data references per scop.
7550 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7551             Jan Sjodin  <jan.sjodin@amd.com>
7553         * graphite.c (loop_affine_expr, idx_record_params,
7554         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7555         instead of instantiate_parameters.
7557 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7559         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7560         add support for parameters, add STATIC_SCHEDULE at the right places,
7561         cleanup.
7563 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7565         * graphite.c (build_scop_loop_nests): Only add the loops, that
7566         are contained completely in the SCoP.
7567         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7568         and the domains are fixed.
7569         (build_scop_canonical_schedules): Add support for bbs not contained
7570         in any SCoP.
7572 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7574         * graphite.h (scop_contains_loop): Update comments to match
7575         the actual behavior.
7576         (scop_contains_loop): New.
7577         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7579 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7581         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7582         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7583         as GBB_COND_HEADER.
7585 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7586             Tobias Grosser  <grosser@fim.uni-passau.de>
7588         * graphite.c (graphite_transform_loops): Early return when
7589         there are no loops in the function.
7591 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7592             Jan Sjodin  <jan.sjodin@amd.com>
7594         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7595         offset of the last loop.
7596         (setup_cloog_loop): Copy the entire outer constraint matrix.
7598 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7599             Jan Sjodin  <jan.sjodin@amd.com>
7601         * graphite.c (stmt_in_scop_p, function_parameter_p,
7602         invariant_in_scop_p): Removed.
7603         (scan_tree_for_params): Can be used with no constraint
7604         matrix for gathering parameters.
7605         (idx_record_params): Don't use idx_record_param, instead use
7606         scan_tree_for_params.
7607         (find_scop_parameters): Same.
7608         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7609         Fix the size of loop domains.
7610         (schedule_to_scattering): Exit when the outer loop is not in scop.
7611         (find_transform): Enable build_cloog_prog.
7613 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7614             Jan Sjodin  <jan.sjodin@amd.com>
7616         * graphite.c (schedule_to_scattering): Make scattering domains
7617         uniformly of the same size, as required by CLooG 0.14.0 and before.
7619 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7620             Jan Sjodin  <jan.sjodin@amd.com>
7622         * graphite.c (schedule_to_scattering): Rewrite, correct the
7623         translation of the scheduling function to scattering.
7624         (build_cloog_prog): Call schedule_to_scattering only once.
7625         * graphite.h (scop_loop_index): Do not fail for loops not
7626         in the scop: return -1.
7628 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7630         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7631         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7632         (setup_cloog_loop): Export GBB_DOMAIN.
7633         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7634         able to rebuild the original control flow.
7635         * graphite.h (graphite_bb): Add domain field and access macro.
7636         (GBB_DOMAIN): New.
7638 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7640         * graphite.c (debug_gbb): New.
7641         (print_scop, build_graphite_bb): Use SCOP_BBS.
7642         (build_scop_bbs): Reimplemented.
7643         (dfs_bb_in_scop_p): Removed.
7644         (build_scop_loop_nests): Reorder loops inserted in
7645         SCOP_LOOP_NEST: outer loops should come first.
7646         (build_scop_canonical_schedules): Reinitialize at zero
7647         the components of the SCOP_STATIC_SCHEDULE for the loops
7648         that have already been parsed.
7650         * graphite.h (debug_gbb): Declared.
7652 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7653             Jan Sjodin  <jan.sjodin@amd.com>
7655         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7656         (graphite_loop_to_gcc_loop): Removed.
7657         (remove_all_edges): New.
7658         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7659         (gloog): Remove useless code.
7661 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7663         * graphite.c (get_bb_type): Reworked. We distinguish between
7664         loops with one or multiple exits.
7665         (is_loop_exit): New.
7666         (is_pred): New.
7667         (is_bb_addable): Rework condition handling, now support for case
7668         case statements and loops with multiple exits.
7670         * gcc.dg/graphite/scop-11.c: New.
7671         * gcc.dg/graphite/scop-12.c: New.
7672         * gcc.dg/graphite/scop-13.c: New.
7674 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7676         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7677         we have too many colors.
7679 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7681         * doc/invoke.texi (-ftree-loop-fusion): Document.
7682         * tree-pass.h (pass_loop_fusion): Declared.
7683         * tree-loop-fusion.c: New.
7684         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7685         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7686         * tree-data-ref.h (find_data_references_in_loop): Declared.
7687         * common.opt (ftree-loop-fusion): Declared.
7688         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7690 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7692         * graphite.c (build_access_matrix): Fix typo from the merge.
7694 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7696         * Merge from mainline (130800:135673).
7698 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7700         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7701         Update dominators after splitting.
7703 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7705         * graphite.c (is_bb_addable): Return the harmful statement.
7706         Factor up some code.
7707         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7708         (build_scops_1): Call end_scop.
7710 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7712         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7713         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7714         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7715         build_scops_1): Removed.
7716         (build_scops_2): Renamed build_scops_1.
7718 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7720         * graphite.c: Fix formatting.
7722 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7724         * graphite.c (get_bb_type): New.
7725         (move_scops): New.
7726         (build_scops_2): New.
7727         (is_bb_addable): New.
7728         (build_scops): Switch the scop detection.
7729         (build_scop_bbs): Add entry bb to scop.
7730         * graphite.h (struct scop): Update comment.
7732 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7734         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7735         more colors.
7737 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7739         * gcc.dg/graphite/scop-1.c: Update.
7740         * gcc.dg/graphite/scop-2.c: Update.
7741         * gcc.dg/graphite/scop-4.c: Update.
7742         * gcc.dg/graphite/scop-5.c: Add.
7743         * gcc.dg/graphite/scop-6.c: Add.
7745 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7747         * gcc.dg/graphite/scop-0.c: Add.
7748         * gcc.dg/graphite/scop-7.c: Add.
7749         * gcc.dg/graphite/scop-8.c: Add.
7750         * gcc.dg/graphite/scop-9.c: Add.
7751         * gcc.dg/graphite/scop-10.c: Add.
7753 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7755         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7756         Check affine expressions depending on the outermost loop
7757         instead of a scop.
7758         (stmt_simple_for_scop_p): Same.
7759         (harmfule_stmt_in_scop): Same.
7761 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7763         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7764         mark entry and exit, that are not part of the SCoP and update HTML
7765         formatting.
7767 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7769         * graphite.c (basic_block_simple_for_scop_p): Renamed
7770         harmful_stmt_in_bb.
7771         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7772         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7773         (all_preds_visited_p, all_succs_visited_p,
7774         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7775         scop_end_loop): New.
7776         (build_scops): Do not use dfs_enumerate_from.
7778         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7780 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7782         * graphite.c: Add comments to functions that are missing a
7783         description.
7784         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7786 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7788         * graphite.c (nb_params_in_scop): Moved...
7789         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7790         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7791         (clast_to_gcc_expression): Reduce column size to less than 80.
7792         (graphite_create_iv): Return the new name of the IV.
7793         (find_transform): Set options->esp and options->cpp.
7794         (gloog): Comment out the invalidation of the old loop code.
7795         (initialize_dependence_polyhedron): Replace scop_nb_params with
7796         nb_params_in_scop.
7798         * graphite.h (nb_params_in_scop): ... here.
7799         (scop_nb_params): Removed.
7800         (loop_domain_dim): Return something even when the loop was not
7801         found in the hash table: avoid ICEing on all the graphite.exp
7802         testcases.
7804 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7806         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7808         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7809         according to nesting level.
7810         (find_scop_parameters): Call instantiate_parameters.
7811         (scan_tree_for_params): Extend it to handle general affine bounds.
7812         Inner loop bound can depend on outer loop induction variable.
7813         (setup_cloog_loop): tmp variable is allocated on stack. Call
7814         instantiate_parameters with respect to outermost_loop_in_scop.
7815         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7816         graphite.h.
7817         (create_empty_loop): Function loopify should be given edge
7818         probability, instead of edge frequency. Dominance relation from
7819         switch_bb to loop_header.
7820         (clast_to_gcc_expression): Added handling of clast_reduction node.
7821         (gloog): New functionality for removing old loop.
7822         (test_dependence): Factored out from build_rdg_all_levels.
7823         (build_rdg_all_levels): Dependence testing factored out to
7824         test_dependence function.
7826         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7827         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7828         from graphite.c
7830 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7832         * graphite.c (free_scop, param_index, initialize_cloog_names,
7833         nb_params_in_scop): Use name_tree map instead of just a tree
7834         for keeping track of the variable name associated to that tree.
7835         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7836         clast_to_gcc_expression, graphite_create_iv,
7837         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7838         graphite_stmt_to_gcc_stmt): New.
7839         (gloog): Call these.
7840         * graphite.h (struct name_tree): New.
7841         (struct scop): Use name_tree instead of tree for params.
7842         Store a vector of name_tree for new_ivs.
7843         (SCOP_NEWIVS): New.
7844         (scop_nb_params): Use name_tree instead of tree.
7846 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7847             Sebastian Pop  <sebastian.pop@amd.com>
7849         * tree-bounds.c: New.
7850         * tree-bounds.h: New.
7851         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7852         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7853         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7854         flag_mudflap.
7855         * gcc.c: Same.
7856         * toplev.c: Same.
7857         * c-cppbuiltin.c: Same.
7858         * c-pragma.c: Same.
7859         * common.opt: Same.
7860         * varasm.c: Same.
7861         * tree-outof-ssa.c: Same.
7862         * c-common.c: Same.
7863         * Makefile.in: Same.
7865 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7866             Sebastian Pop  <sebastian.pop@amd.com>
7868         * tree-loop-distribution.c (remaining_stmts,
7869         upstream_mem_writes): Removed static variables.
7870         (copy_loop_before, create_bb_after_loop,
7871         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7872         rdg_build_components, rdg_build_partitions,
7873         dump_rdg_partitions): Extern.
7874         (generate_loops_for_partition, generate_code_for_partition): Do not
7875         return a bool.
7876         (already_processed_vertex_p, predecessor_has_mem_write,
7877         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7878         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7879         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7880         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7881         Pass remaining_stmts and upstream_mem_writes as parameters.
7882         (rdg_component): Moved...
7883         (build_rdg_partition_for_component): Do not aggregate components when
7884         flag_streamize_loops is set.
7885         (gen_sequential_loops): New.
7886         (ldist_gen): Call gen_sequential_loops.
7888         * tree-pass.h (pass_loop_streamization): Declared.
7890         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7891         basic blocks when loops structures exist.
7893         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7895         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7897         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7898         eliminate_local_variables_stmt, eliminate_local_variables,
7899         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7900         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7901         of code delimited by two edges in the CFG.
7902         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7903         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7904         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7905         the case of parallelisation of reductions.
7906         (create_loop_fn): Extern.
7907         (create_omp_parallel_region): New.
7909         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7910         dump_data_reference for printing dra and drb.
7911         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7912         RDGE_RELATION.
7913         (build_rdg): Don't call free_dependence_relations for the moment, as
7914         we attach dependence relations on each edge of the RDG.
7915         To be fixed later.
7917         * tree-data-ref.h (rdg_component): ...here.
7918         (struct rdg_edge): New field ddr_p relation.
7919         (RDGE_RELATION): New.
7920         (create_bb_after_loop, copy_loop_before,
7921         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7922         rdg_build_partitions, dump_rdg_partitions,
7923         free_rdg_components): Declared.
7925         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7926         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7928         * tree-loop-streamization.c: New.
7930         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7931         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7933         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7935         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7937         * passes.c: Schedule pass_loop_streamization.
7939 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7941         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7942         update comment.
7944 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7946         * graphite.c (dot_all_scops): Update formatting.
7947         Bbs can now be part of more than one SCoP.
7949 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7951         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7952         malloc problems.
7953         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7954         * graphite.h (loop_to_cloog_loop): New.
7956 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7958         * graphite.c (loop_domain_dim, ref_nb_loops,
7959         loop_iteration_vector_dim): New.
7960         (build_access_matrix_with_af, build_access_matrix,
7961         initialize_dependence_polyhedron): Fixed for new matrix layout.
7962         No longer assume that all iteration domains are of the same
7963         dimensionality.
7965 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7967         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7968         defined in a loop at depth 0 is invariant.
7969         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7970         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7971         be called at loop depth 0.
7973         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7974         a parameter.
7975         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7976         (down_open_scop): Removed.
7977         (loop_in_scop_p): Redefined.
7978         (scop_affine_expr): New argument: scop.
7979         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7980         a harmful statement ending a scop.
7981         (basic_block_simple_for_scop_p): New argument: scop.
7982         (get_loop_start): Removed.
7983         (new_scop): Initialize SCOP_LOOPS.
7984         (free_scop): Free SCOP_LOOPS.
7985         (succs_at_same_depth, preds_at_same_depth): New.
7986         (end_scop): Test the validity of a scop.
7987         (add_dominators_to_open_scops): New.
7988         (test_for_scop_bound): Call add_dominators_to_open_scops.
7989         Add cases for opening and closing multiple scops.
7990         (build_scops, build_scop_bbs): Iterate over basic blocks in
7991         depth first order.
7992         (build_graphite_bb): Pass scop directly.
7993         (dfs_bb_in_scop_p): New.
7994         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7995         several times.
7996         (nb_loops_around_gb): Use loop_in_scop_p.
7997         (schedule_to_scattering): Disabled for the moment the code computing
7998         the "textual order for outer loop".
8000         * graphite.h (struct scop): New field loops.
8001         (SCOP_LOOPS): New.
8002         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8004         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8006 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8007             Sebastian Pop  <sebastian.pop@amd.com>
8009         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8010         * common.opt (fstreamize-loops): New.
8011         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8012         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8013         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8014         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8016 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8018         * tree-data-ref.c (build_empty_rdg): New.
8019         (build_rdg): Use it.
8020         * tree-data-ref.h (build_empty_rdg): Declared.
8021         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8022         (find_vertex_for_stmt): Removed.
8023         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8025 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8027         * tree-loop-distribution.c (generate_builtin): After cancelling the
8028         loop tree, also delete basic blocks.
8029         (rdg_flag_uses): Stop recursion when a vertex has already been
8030         processed.
8032 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8034         * graphite.c (build_scop_alpha): Removed.
8035         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8036         and dump_dependence_graph to avoid compiler warnings.
8038 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8040         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8041         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8042         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8043         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8044         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8045         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8046         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8047         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8048         dump_dependence_graph): New.
8049         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8050         (GBB_ALPHA): New.
8051         (struct scop): New field loop2cloog_loop.
8052         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8053         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8055 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8057         * graphite.c (build_graphite_bb): Fix initialization
8058         of the graphite basic block.
8060 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8062         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8063         loop domain matrix.  Pass in the number of loops contained in the
8064         constraint matrix.
8065         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8066         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8067         loops that are not surrounding the current loop are not represented
8068         in the domain constraint matrix.
8069         (build_scop_iteration_domain): Initial domain constraint matrix
8070         contains only the eq/ineq, cst, and scop parameters columns.
8072 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8074         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8075         (print_graphite_bb): Print scattering.
8077 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8079         * graphite.c (initialize_cloog_names): Initialize names of
8080         scattering variables.
8082 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8084         * graphite.c (dot_all_scops_1): Disable debug output while
8085         printing graph.
8087 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8089         * graphite.c (find_transform): Change cloog output language to C.
8091 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8093         * tree-loop-distribution.c (generate_memset_zero,
8094         generate_builtin, generate_code_for_partition,
8095         rdg_flag_all_uses): New.
8096         (rdg_flag_uses): Gather in the same partition the statements defining
8097         the VUSES of the current statement.
8098         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8099         Gather in the same partition not only the stores to the same memory
8100         access, but also the reads.
8101         (ldist_generate_loops): Renamed ldist_gen.
8103 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8104             Tobias Grosser  <grosser@fmi.uni-passau.de>
8106         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8107         next pointer, don't use the inner pointer.
8109 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8111         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8112         (find_transform): Call dot_all_1.
8113         * graphite.h (dot_all_scops): Declared.
8115 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8117         * tree-loop-distribution.c: Fix apsi.f ICE.
8118         (create_bb_after_loop): New.
8119         (generate_loops_for_partition): Use it.
8120         * gfortran.dg/ldist-1.f90: New.
8122         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8123         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8125 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8127         * graphite.c (find_transform): Dump cloog program sent to cloog.
8129 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8131         * graphite.c (initialize_cloog_names): Initialize cloog
8132         iterator names.
8134 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8136         * graphite.c (build_scop_context): Fix typo, for the matrix
8137         format: insert '0 >= 0' instead of '-1 >= 0'.
8139 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8141         * Fix merge problems.
8143 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8145         * graphite.c (setup_cloog_loop): Fix typo.
8147 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8149         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8150         * tree-loop-distribution.c: Reimplemented.
8151         * tree-pass.h (pass_loop_distribution): New.
8152         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8153         print_loops.
8154         * graphds.h (struct graph): New field indexes.
8155         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8157         * tree-vect-analyze.c: Remove declaration of static functions when not
8158         needed.
8159         * tree-vectorizer.c: Same.
8160         (rename_variables_in_loop): Now extern.
8161         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8162         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8163         calling redirect_edge_and_branch_force.
8165         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8167         * tree-data-ref.c: Don't include tree-chrec.h.
8168         (debug_data_dependence_relations): New.
8169         (dump_data_dependence_relation): Call dump_data_reference on data refs
8170         in the relation.
8171         (same_access_functions): Moved...
8172         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8173         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8174         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8175         struct rdg_vertex_info, ): New.
8176         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8177         at DDR_REVERSED_P.
8178         (create_rdg_vertices): Initialize the htab of graph->indexes.
8179         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8180         (stmts_from_loop): Don't save LABEL_EXPR.
8181         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8182         hash_stmt_vertex_del): New.
8183         (build_rdg): Initialize rdg->indexes.
8184         (free_rdg, stores_from_loop, ref_base_address,
8185         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8186         have_similar_memory_accesses_1, ref_base_address_1,
8187         remove_similar_memory_refs): New.
8189         * tree-data-ref.h: Include tree-chrec.h.
8190         (debug_data_dependence_relations): Declared.
8191         (same_access_functions): ...here.  Now static inline.
8192         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8193         ddr_dependence_level): New.
8194         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8195         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8196         RDG_MEM_READS_STMT): New.
8197         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8198         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8199         rdg_vertex_for_stmt): Declared.
8200         (struct rdg_edge): New field level.
8201         (RDGE_LEVEL, free_rdg): New.
8202         (stores_from_loop, remove_similar_memory_refs,
8203         rdg_defs_used_in_other_loops_p,
8204         have_similar_memory_accesses): Declared.
8205         (rdg_has_similar_memory_accesses): New.
8207         * lambda.h (dependence_level): New.
8208         * common.opt (ftree-loop-distribution): New.
8209         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8210         (print_loop_ir): Renamed print_loops.
8211         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8212         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8213         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8214         (tree-loop-distribution.o): Added.
8215         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8216         (mark_virtual_ops_in_bb): New.
8217         (print_loops_bb, debug_loop_num, debug_loop): New.
8218         * passes.c: Scheduled pass_loop_distribution.
8220 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8222         * graphite.c (scan_tree_for_params): Correct the number of columns
8223         for polylib format.
8224         (nb_flat_iterator): New.
8225         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8226         (build_scop_iteration_domain): Correct the number of columns for
8227         polylib format.
8229 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8231         * Merge from mainline (129697:130800).
8233 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8235         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8236         dominated by SCoP's exit.
8237         (graphite_transform_loops): Compute post dominators.
8239 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8241         * Merge from mainline (127169:129697).
8243 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8245         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8246         parameter for the basic block that contains the expression.  Use
8247         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8248         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8249         the expression.
8250         * graphite.h (gbb_loop): New.
8251         (GBB_LOOP): Removed.
8253 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8255         * Makefile.in: Fix merge problem.
8257 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8259         * Merge from mainline (125309:127169).
8260         * tree-loop-distribution.c: Disabled.
8262 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8264         * Merge from mainline (r123693:125309).
8266 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8268         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8269         correct_modify_p
8270         (correct_modify_p, check_statements, number_of_lvalue_uses,
8271         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8272         instead of MODIFY_EXPR.
8273         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8274         and push new edges.
8276 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8278         * tree-loop-distribution.c (struct rdg): Replace arrays by
8279         VECs for edges and vertices.
8280         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8281         (RDGV_NB_PARTITIONS): New.
8282         (PRDG_NBV, PRDG_NBE): Removed.
8283         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8284         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8285         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8287 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8288             Sebastian Pop  <sebpop@gmail.com>
8290         * doc/invoke.texi (-ftree-loop-distribution): Document.
8291         * tree-loop-distribution.c: New file.
8292         * tree-pass.h (pass_loop_distribution): Declared.
8293         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8294         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8295         and set reversed_p.
8296         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8297         (DDR_REVERSED_P): New.
8298         * common.opt (-ftree-loop-distribution): New.
8299         * tree-flow.h (distribute_loops): Declared.
8300         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8301         * passes.c (init_optimization_passes): Schedule loop distribution.
8303 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8305         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8306         (print_scop): Don't print when scop is NULL.
8307         (build_scop_context, find_transform): Don't output to stderr.
8309 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8311         * tree-data-ref.c: Don't include graphite.h.
8312         Comment out the code for printing data reference's scop.
8313         (build_access_matrix_with_af): Moved...
8314         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8315         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8316         (print_graphite_bb): Print basic block's schedule.
8317         (print_scop): Don't print the schedule, call cloog's pretty printer.
8318         (bb_in_scop_p): A basic block is in a scop only if it is both
8319         dominated and postdominated by the scop's entry and exit basic blocks.
8320         (function_parameter_p): New.
8321         (invariant_in_scop_p): Use function_parameter_p.
8322         (new_scop, save_scop): New.
8323         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8324         save_scop.
8325         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8326         (loop_in_scop_p): New.
8327         (scop_record_loop): Use loop_in_scop_p.
8328         (build_scop_domain): Renamed build_scop_iteration_domain.
8329         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8330         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8331         setup_cloog_loop, dot_scop_1, dot_scop): New.
8332         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8333         (struct scop): Add a pointer to cloog's representation of a program.
8335 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8337         * doc/invoke.texi (-ftree-check-verbose): Renamed
8338         -ftree-checks-verbose.
8339         * common.opt (flag_tree_check_verbose): Renamed
8340         flag_tree_checks_verbose.
8341         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8343 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8345         * configure: Regenerated.
8346         * config.in: Regenerated.
8347         * tree-ssa-loop.c (graphite_transforms): Execute
8348         graphite_transform_loops only when HAVE_cloog.
8349         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8350         * graphite.c: Include polylibgmp.h and cloog.h.
8351         (graphite_transform_loops): Removed loops parameter.
8352         * tree-flow.h (graphite_transform_loops): Update declaration.
8353         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8354         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8355         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8356         (OBJS-common): Remove dependence on graphite.o.
8357         (BACKEND): Depend on @GRAPHITE@.
8359 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8361         * doc/invoke.texi (-ftree-check-verbose): Documented.
8362         * gcc.dg/tree-checker/tree-checks-1.c: New.
8363         * gcc.dg/tree-checker/tree-checks-2.c: New.
8364         * gcc.dg/tree-checker/tree-checks-3.c: New.
8365         * gcc.dg/tree-checker/tree-checks-4.c: New.
8366         * gcc.dg/tree-checker/tree-checks.exp: New.
8367         * gcc.dg/tree-checker/condates.crp: New.
8368         * common.opt (ftree-checks-verbose): New.
8369         * tree-check.c (tree_check_warning): Move extra stderr output
8370         under control of flag_tree_check_verbose.
8372 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8374         * tree-match.c: Fix comments formatting.
8375         * tree-match.h: Fix comments formatting.
8376         * tree-check.c: Fix comments formatting.
8377         (tree_check_init): Restructure.
8379 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8381         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8383 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8385         * Merge from mainline (r120733:123693).
8387 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8389         * condate.y: New file.
8390         * tree-match.h (struct patt_info_s): New field sign.
8391         (struct condate_s): New field msg.
8392         (normalize_condate, name_condate, add_condate): New.
8393         (conds[], condate_parse): Made extern.
8394         * tree-check.c (tree_check_warning): First arg changed to cond;
8395         warning reformatted.
8396         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8397         (tree_scan): New.
8398         (tree_check): Process trivial condates.
8399         (read_delimited_string): Removed.
8400         (print_cond): Print name and msg.
8401         (conds[]): Made extern.
8402         (parse_tree_check_file_once): Rewritten to use the parser in
8403         condate.y.
8404         Processing of option --tree_check_string moved to tree_scan().
8405         * Makefile.in: Added condate.y
8407 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8409         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8410         Use VECs instead of varrays.
8411         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8412         * Makefile.in (pretty-print.o): Depend on vec.h.
8413         * pretty-print.c: Include tree.h and vec.h.
8414         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8415         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8416         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8417         pp_free_list): Use VECs instead of varrays.
8418         * pretty-print.h: Do not include varray.h.
8419         (struct tree_chunk_s): Declaration moved before its use.
8420         (output_buffer): Rename varray field to chunks.
8421         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8422         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8423         save_global_holes): Use VECs instead of varrays.
8424         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8425         * tree-check.c (scan_cfg_stmts, push_node,
8426         print_matching_stmt): Removed.
8427         (tree_check_instance, push_global_holes_if_new, tree_check,
8428         execute_tree_check): Use VECs instead of varrays.
8429         (gate_tree_check): Don't execute the CFG check when basic_block_info
8430         is not available.
8432 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8434         * Merge from mainline (r115016:120733).
8436 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8438         * Merge from mainline (r117632:117661).
8440 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8442         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8443         * tree-pass.h (TDF_DEBUG, debug_p): New.
8444         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8445         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8446         get_loop_exit_condition, analyze_evolution_in_loop,
8447         analyze_initial_condition, analyze_scalar_evolution,
8448         instantiate_parameters, number_of_latch_executions): Use debug_p.
8449         * tree-chrec.c (chrec_apply): Use debug_p.
8450         * tree-data-ref.c: Include graphite.h.
8451         (dump_data_reference): Print also the access matrix.
8452         (analyze_array, analyze_indirect_ref, init_data_ref,
8453         analyze_offset_expr, address_analysis, object_analysis,
8454         create_data_ref, finalize_ddr_dependent,
8455         non_affine_dependence_relation, analyze_ziv_subscript,
8456         analyze_siv_subscript_cst_affine,
8457         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8458         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8459         analyze_miv_subscript, analyze_overlapping_iterations,
8460         build_classic_dist_vector, subscript_dependence_tester,
8461         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8462         (build_access_matrix_with_af): No longer static.
8463         * tree-data-ref.h (scop_p): ... declaration here.
8464         (data_reference.scop): New field.
8465         (DR_SCOP, DR_ACCESS_MATRIX): New.
8466         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8467         * graphite.c (print_graphite_bb): Call dump_data_references.
8468         (print_scop): Use scop_nb_loops and scop_dim_domain.
8469         (test_for_scop_bound): Use debug_p.
8470         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8471         scop_nb_params.
8472         (scop_loop_index): Moved...
8473         (scop_record_loop): New.
8474         (build_scop_loop_nests): Use scop_record_loop.
8475         (build_scop_domain): Use scop_dim_domain.
8476         (build_access_matrix): Implemented.
8477         (build_scop_canonical_schedules): Use scop_nb_loops.
8478         (build_graphite_bb): Initialize GBB_SCOP.
8479         * graphite.h (scop_p): Moved...
8480         (graphite_bb.scop): New field.
8481         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8482         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8483         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8484         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8485         scop_loop_index): New.
8486         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8488 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8490         * Merge from mainline (r117661:120450).
8492 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8494         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8495         at the first declaration outside the varying loop, instantiate as
8496         far as possible.
8497         * tree-chrec.c (for_each_scev_op): New.
8498         * tree-chrec.h (for_each_scev_op): Declared.
8499         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8500         * tree-data-ref.c (get_references_in_stmt,
8501         find_data_references_in_stmt): New, from trunk.
8502         (find_data_references_in_loop): Use get_references_in_stmt
8503         and find_data_references_in_loop, modified as in trunk.
8504         (build_access_matrix_with_af): New.
8505         * tree-data-ref.h (data_reference): Add a field access_matrix.
8506         (data_ref_loc): New, as in trunk.
8507         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8508         invariant_in_scop_p, param_index, scan_tree_for_params,
8509         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8510         idx_record_param, idx_record_params, build_access_matrix,
8511         build_scop_data_accesses, build_scop_canonical_schedules,
8512         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8513         build_scop_params): New.
8514         * graphite.h (graphite_bb): New.
8515         (scop): Add fields static_schedule, params, loop_nest,
8516         iteration_domain.
8517         * lambda.h: Declare vecs of lambda_matrix.
8518         * tree-flow.h (print_loop_ir_bb): Declared.
8519         * tree-cfg.c (print_loop_ir_bb): New.
8520         (print_loop): Use print_loop_ir_bb.
8522 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8524         * Merge from mainline (r115016:117632).
8526 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8528         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8529         break due to a warning.
8531 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8533         * graphite.c (print_scops, debug_scops): New.
8534         (graphite_transform): Renamed graphite_find_transform.
8535         * graphite.h (debug_scops): Declared.
8537 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8539         * tree-match.c: Reformat following the GNU style.
8540         * tree-match.h: Reformat following the GNU style.
8541         * tree-pattern.h: Removed empty file.
8542         * Makefile.in: Remove references to tree-pattern.h.
8543         * tree-check.c: Reformat following the GNU style.
8544         (execute_tree_check): Move gate condition code to...
8545         (gate_tree_check): ...here.  New function.
8546         (pass_check): Use the gate function.
8548 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8550         * tree-pattern.h: New. Tree pattern matching and checking using
8551         concrete syntax.
8552         * tree-check.c: New. Tree/CFG checking pass.
8553         * tree-match.c: New. Library for tree pattern matching.
8554         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8555         * toplev.c, flags.h: Add globals for tree-check pass.
8556         * Makefile.in: Integrate the files in tree-check pass.
8557         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8558         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8559         Introduce a "lazy" pretty-print mode.
8560         * tree.c, tree.h: Add tree_name.
8562 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8564         * doc/invoke.texi (-fgraphite): Correct typo.
8565         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8566         use of print_loop_ir.
8567         * gcc.dg/graphite/scop-1.c: New.
8568         * gcc.dg/graphite/scop-2.c: New.
8569         * gcc.dg/graphite/graphite.exp: New.
8570         * graphite.c: Include domwalk.h.
8571         (print_scop): Print only the entry and exit blocks.
8572         (debug_scop): No longer static.
8573         (affine_expr): Fix formating.  Return also true when the expression is
8574         constant.
8575         (stmt_simple_for_scop_p): Fix formating.
8576         (build_scops): Use domwalk.
8577         (get_loop_start, end_scop, test_for_scop_bound): New.
8578         (graphite_transform_loops): Avoid printing on stderr.
8579         * graphite.h (debug_scop): Declared.
8580         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8581         * Makefile.in (graphite.o): Depend on domwalk.h.
8582         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8583         declarations for static functions.
8584         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8585         controlling output verbosity.
8587 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8588             Plesco Alexandru  <shurikx@gmail.com>
8590         * doc/invoke.texi (-fgraphite): Document.
8591         * tree-pass.h (pass_graphite_transforms): Declared.
8592         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8593         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8594         (pass_graphite_transforms): Defined.
8595         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8596         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8597         * graphite.c, graphite.h: New.
8598         * common.opt (fgraphite): Declared.
8599         * tree-flow.h (graphite_transform_loops): Declared.
8600         * Makefile.in (OBJS-common): Add graphite.o.
8601         (graphite.o): New rule.
8602         * passes.c (pass_graphite_transforms): Scheduled.