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Add testcase for PR45758.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
2
3         PR middle-end/45758
4         * gfortran.dg/graphite/pr45758.f90: New.
5
6 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
7
8         * graphite-scop-detection.c (is_scop_p): Free bblist.
9
10 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
11
12         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
13         and ps.
14         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
15         domain.
16         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
17         Do not allocate ub_expr, it is passed in initialized.
18
19 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
20
21         * common.opt (fgraphite-dump-cloog): New flag.
22         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
23         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
24         (build_cloog_prog): Dump CLooG input file when
25         flag_graphite_dump_cloog is set.
26         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
27
28 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
29
30         Revert previous patch "New flag: -fgraphite-dump-cloog."
31
32 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
33
34         * common.opt (fgraphite-dump-cloog): New flag.
35         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
36         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
37         (build_cloog_prog): Dump CLooG input file when
38         flag_graphite_dump_cloog is set.
39
40 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
41
42         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
43         verify_dominators for CDI_POST_DOMINATORS.
44         * sese.h: Remove comment about CDI_POST_DOMINATORS.
45         (recompute_all_dominators): Remove call to free_dominance_info
46         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
47         for CDI_POST_DOMINATORS.
48
49 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
50
51         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
52         over pbb_dim_iter_domain.
53
54 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
55
56         * graphite-flattening.c: Fix comments.
57
58 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
59
60         * Makefile.in (OBJS-common): Add graphite-flattening.o.
61         (graphite-flattening.o): New rule.
62         * common.opt (floop-flatten): New flag.
63         * doc/invoke.texi (-floop-flatten): Documented.
64         * graphite-flattening.c: New.
65         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
66         * graphite-poly.h (flatten_all_loops): Declared.
67         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
68         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
69         is set, also set flag_graphite.
70
71 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
72
73         * graphite-poly.c (cloog_checksum): New.
74         * graphite-poly.h (cloog_checksum): Declared.
75
76 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
77
78         * graphite-poly.c (pbb_number_of_iterations): Removed.
79         (pbb_number_of_iterations_at_time): Correctly compute the number
80         of iterations in the transformed loop.
81         * graphite-poly.h (pbb_number_of_iterations): Removed.
82
83 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
84
85         * graphite-poly.h (lst_update_scattering_seq): Removed.
86         (lst_update_scattering): Correctly handle outermost loop dewey
87         renumbering.
88
89 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
90
91         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
92         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
93         * graphite-poly.h (lst_niter_for_loop): New.
94
95 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
96
97         * graphite-poly.c (apply_poly_transforms): Do not abort when the
98         transform read from disk is not legal.  Call fatal_error instead.
99
100 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
101
102         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
103         (print_scop_header): Removed.  Inlined in the only call place...
104         (print_scop): ... here.
105
106 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
107
108         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
109
110 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
111
112         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
113         (is_valid_stmt_p): Add data reference and operation-specific checks.
114         (is_valid_bb_p): Change structure, add loop validity check.
115         (is_scop_p): Move the TODO list
116         (find_scops_new): New.
117         (build_scops_new): Move part of functionality to find_scops_new and
118         build_scops.  Add necessary steps for successful SCoP construction.
119         (build_scops): Compute SCoP sets for both detection algorithms, choose
120         the resulting one depending on static condition.
121
122 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
123
124         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
125
126 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
127
128         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
129         (dot_deps_stmt): Same.
130         * graphite-poly.c (dot_lst): Same.
131
132 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
133
134         * graphite-blocking.c (scop_do_strip_mine): Do not call
135         graphite_legal_transform.
136         (scop_do_block): Same.
137
138 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
139
140         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
141         description.
142
143 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
144
145         PR middle-end/45230
146         * gcc.dg/graphite/id-pr45230.c: New.
147
148 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
149
150         * tree-scalar-evolution.c (instantiate_array_ref): New.
151         (instantiate_scev_r): Also handle ARRAY_REFs.
152
153 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
154
155         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
156         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
157         RESULT_DECL, and FIELD_DECL.  Return false for an
158         SSA_NAME_IS_DEFAULT_DEF.
159         (compute_scalar_evolution_in_loop): Do not further analyze the
160         scalar evolution when no_evolution_in_loop_p returns true.
161
162 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
163
164         * tree-chrec.h (evolution_function_is_affine_p): Do not check
165         whether CHREC_LEFT is invariant.  A function is affine when
166         CHREC_RIGHT is invariant.
167
168 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
169
170         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
171         is_gimple_reg.
172         (rewrite_degenerate_phi): Same.
173         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
174
175 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
176
177         * graphite-scop-detection.c (graphite_can_represent_scev,
178         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
179         graphite_can_represent_loop): Remove outermost_loop.
180
181 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
182
183         PR middle-end/45229
184         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
185         handle GIMPLE_CALLs with no LHS.
186
187 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
188             Sebastian Pop  <sebastian.pop@amd.com>
189
190         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
191         Call remove-build-file to clean up the generated *.graphite files.
192
193 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
194
195         * doc/invoke.texi (debugging options): Update documentation.
196         (-floop-interchange): Same.
197         (-flopp-strip-mine): Same.
198         (-floop-block): Same.
199         (-fgraphite-read): Add documentation.
200         (-fgraphite-write): Same.
201
202 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
203
204         * toplev.c (process_options): Disable graphite loop optimization
205         options when -fgraphite-read flag is used.
206
207 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
208
209         * graphite-poly.c (init_graphite_out_file): New.
210         (init_graphite_in_file): New.
211         (apply_poly_transforms): Updated to enable reading and writing of
212         multiple scop files.
213         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
214
215 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
216
217         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
218         redundant checks.
219
220 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
221
222         * graphite-clast-to-gimple.c (precision_for_value): Adjust
223         computation of precision by 1.
224
225 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
226
227         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
228         (openscop_read_polyhedron_matrix): New.
229         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
230         (openscop_read_N_int): Same.
231         * graphite-poly.c (openscop_read_N_int): New.
232         (openscop_read_one_int): New.
233         (openscop_read_N_string): New.
234         (openscop_read_one_string): New.
235         (openscop_read_powerset_matrix): New.
236         (graphite_read_transforms): Remove.
237         (graphite_read_scatt): New.
238         (graphite_read_scop_file): New.
239         (apply_poly_transforms): Updated to call graphite_read_scop_file.
240
241 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
242
243         * graphite-poly.c: Change include order.
244
245 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
246
247         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
248         (cloog_matrix_nrows): New.
249
250 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
251
252         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
253         from matrix lines.
254         * graphite-poly.c (openscop_print_scattering_function_1): Same.
255         (print_scattering_function_1): Same.
256         (openscop_print_pbb_domain): Same.
257         (openscop_print_scop_context): Same.
258         (print_scop_context): Same.
259
260 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
261
262         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
263         (openscop_print_pdr_polyhedron): Print pph.
264
265 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
266
267         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
268         * gfortran.dg/graphite/graphite.exp: Same.
269         * gcc.dg/graphite/vect-pr43423.c: New.
270
271 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
272
273         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
274         priority signed types.
275
276 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
277
278         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
279         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
280
281 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
282
283         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
284         (openscop_print_polyhedron_matrix): New.
285         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
286         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
287         (openscop_print_pdr_powerset): New.
288         (openscop_print_powerset_matrix): New.
289         (openscop_print_scattering_function_1): New.
290         (print_scattering_function): Add support for scattering names and
291         OpenScop format.
292         (graphite_write_transforms): Remove.
293         (apply_poly_transforms): Updated to call print_scop.
294         (print_pdr_access_layout): Updated to support OpenScop format.
295         (print_pdr): Same.
296         (openscop_print_pbb_domain): New.
297         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
298         not provided.
299         (print_pbb): Updated to call the new print_pbb_body.
300         (openscop_print_scop_context): New.
301         (print_scop_header): New.
302         (print_scop): Updated to call print_scop_header.
303         * graphite-poly.h: Document OpenScop format.
304
305 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
306
307         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
308         the case removed in the previous patch, when the only phi argument
309         is defined in the same loop as the phi node itself.  Handle it
310         separately from the invariant case by both propagating it outside
311         the region and replacing the phi node with an assign.
312
313 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
314
315         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
316         constant phi nodes with one argument are is_gimple_min_invariant
317         and SSA_NAME_IS_DEFAULT_DEF.
318
319         * gfortran.dg/graphite/id-22.f: New.
320
321 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
322
323         * graphite.c (graphite_initialize): Do not initialize
324         CLooG and initialize the Parma Polyhedra Library
325         manually when using CLOOG_ORG.
326         (graphite_finalize): Do not finalize CLooG and finalize
327         the Parma Polyhedra Library manually when using CLOOG_ORG.
328         * graphite-cloog-compat.h (cloog_initialize): Hide function
329         when using CLOOG_ORG.
330         (cloog_finalize): Same.
331
332 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
333
334         * graphite-clast-to-gimple.c (free_scattering): Change
335         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
336         (CLOOG_ORG).
337         (build_cloog_prog): Same.
338         * graphite-cloog-compat.h (cloog_domain): Removed.
339         (cloog_scattering): New.
340         (cloog_set_domain): Removed.
341         (cloog_set_scattering): New.
342         (cloog_next_domain): Removed.
343         (cloog_next_scattering): New.
344         (cloog_set_next_domain): Removed.
345         (cloog_set_next_scattering): New.
346         (CloogScatteringList): New.
347         (CloogScattering): New.
348         (cloog_scattering_free): New.
349         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
350         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
351         New.
352
353 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
354
355         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
356         CloogState.
357         (set_cloog_options): Same.
358         (print_clast_stmt): Same.
359         (scop_to_clast): Same.
360         (print_generated_program): Same.
361         (gloog): Same.
362         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
363         (scop_to_clast): Extend with CloogState.
364         * graphite-cloog-util.c: Include graphite-cloog-compat.h
365         (new_Cloog_Domain_from_ppl_Polyhedron):
366         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
367         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
368         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
369         * graphite-cloog-util.h (build_cloog_prog): Same.
370         * graphite-cloog-copat.h (build_cloog_prog): New.
371         (CloogState): New.
372         (cloog_state_malloc): New.
373         (cloog_state_free): New.
374         (cloog_loop_malloc): New.
375         (cloog_options_malloc): New.
376         (cloog_statement_alloc): New.
377         (cloog_domain_from_cloog_matrix): New.
378         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
379         (new_Cloog_Domain_from_ppl_Polyhedron): New.
380
381 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
382
383         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
384         type of NAME now depends on used CLooG version.
385         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
386         (gcc_type_for_clast_expr): Same.
387         (print_clast_stmt): Replace pprint with clast_pprint.
388         * graphite-cloog-compat.h: Provide compatibility macros for
389         CLooG Legacy.
390         (clast_name_p): New.
391         (clast_expr_term): New.
392         (clast_expr_red): New.
393         (clast_expr_bin): New.
394         (clast_pprint): New.
395
396 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
397
398         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
399         compatible to newer CLooG releases (CLOOG_ORG).
400         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
401         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
402         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
403         (build_cloog_prog) : New.
404         (cloog_program_extract_scalars): New.
405         (cloog_program_scatter): New.
406
407 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
408
409         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
410         conditionally (CLOOG_ORG).
411         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
412         (cloog_statement_usr): New.
413         (cloog_domain): Same.
414         (cloog_set_domain): Same.
415         (cloog_next_domain): Same.
416         (cloog_set_next_domain): Same.
417         (cloog_program_nb_scattdims): Same.
418         (cloog_program_set_nb_scattdims): Same.
419         (cloog_program_names): Same.
420         (cloog_program_set_names): Same.
421         (cloog_program_set_context): Same.
422         (cloog_program_set_loop): Same.
423         (cloog_program_blocklist): Same.
424         (cloog_program_set_blocklist): Same.
425         (cloog_program_scaldims): Same.
426         (cloog_program_set_scaldims): Same.
427         (cloog_names_nb_parameters): Same.
428         (cloog_names_set_nb_parameters): Same.
429         (cloog_names_parameters): Same.
430         (cloog_names_set_parameters): Same.
431         (cloog_names_set_nb_iterators): Same.
432         (cloog_names_set_iterators): Same.
433         (cloog_names_set_nb_scattering): Same.
434         (cloog_names_set_scattering): Same.
435         (cloog_statement_set_usr): Same.
436         (cloog_loop_set_next): Same.
437         (cloog_loop_set_domain): Same.
438         (cloog_loop_set_block): Same.
439         (cloog_block_list_next): Same.
440         (cloog_block_list_set_next):
441         (cloog_block_list_set_block): Same.
442
443 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
444
445         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
446         a bool.
447         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
448         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
449         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
450         when something has been changed.
451         (rewrite_commutative_reductions_out_of_ssa): Same.
452
453         * gcc.dg/graphite/id-26.c: New.
454
455 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
456
457         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
458         handle the case when def is in the sese region.
459         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
460         for invariant expressions.
461         (rewrite_cross_bb_phi_deps): Removed.
462         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
463         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
464         rewrite_cross_bb_phi_deps.
465
466 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
467
468         * graphite-sese-to-poly.c
469         (rewrite_commutative_reductions_out_of_ssa_loop): Call
470         scev_analyzable_p only on is_gimple_reg
471
472         * gcc.dg/graphite/id-25.c: New.
473
474 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
475
476         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
477         (rewrite_close_phi_out_of_ssa): Propagate constant values or
478         parametric expressions outside the scop region.
479         (rewrite_cross_bb_scalar_deps): Same.
480         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
481
482         * gcc.dg/graphite/run-id-5.c: New.
483         * gcc.dg/graphite/run-id-6.c: New.
484         * gfortran.dg/graphite/id-21.f: New.
485
486 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
487
488         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
489         SSA_NAME_DEF_STMT only on SSA_NAMEs.
490
491         * gcc.dg/graphite/id-24.c: New.
492
493 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
494
495         * tree-scalar-evolution.c (instantiate_scev_name): Do not
496         instantiate default definitions.
497
498 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
499
500         * graphite-scop-detection.c (is_valid_stmt_p): New.
501         (is_valid_bb_p): New.
502
503 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
504             Sebastian Pop  <sebastian.pop@amd.com>
505
506         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
507         (loop_exits_from_bb_p): New.
508         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
509         (loop_exits_from_bb_p): Declared.
510         * graphite-scop-detection.c (scopdet_basic_block_info): Call
511         loop_exits_to_bb_p.
512
513 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
514
515         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
516         tree-data-ref.h.
517         (dot_regions_1): New.
518         (dot_regions): New.
519         * refined-regions.h (dot_regions): Declared.
520         * Makefile.in (refined-regions.o): Update dependences.
521
522 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
523
524         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
525         extra parameter for the region.  Call scev_analyzable_p.
526         (rewrite_reductions_out_of_ssa): Update call to
527         rewrite_close_phi_out_of_ssa.
528         (rewrite_cross_bb_phi_deps): Same.
529         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
530         parameter for the region.  Call scev_analyzable_p.
531         (rewrite_commutative_reductions_out_of_ssa): Update call to
532         rewrite_commutative_reductions_out_of_ssa_loop.
533
534 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
535
536         * gcc.dg/tree-ssa/pr20742.c: New.
537
538 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
539
540         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
541
542         * gcc.dg/graphite/id-23.c: New.
543
544 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
545
546         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
547         SSA scalar phi nodes that can be scev_analyzable_p.
548
549         * gfortran.dg/graphite/id-20.f: Adjust testcase.
550
551 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
552
553         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
554         handle SSA_NAME_IS_DEFAULT_DEF.
555
556 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
557
558         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
559
560         * gcc.dg/graphite/pr42729.c: New.
561
562 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
563
564         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
565         case non close-phi nodes with one argument.
566
567 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
568
569         * sese.h (scev_analyzable_p): Scevs could be expressions without
570         chrecs and still be scev_analyzable_p.
571
572 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
573
574         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
575
576 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
577
578         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
579         * cfgloop.h (struct loop): Remove single_iv field.
580         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
581         (scop_canonicalize_loops): Removed.
582         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
583         over all the loop phi nodes in loop->header.
584         (build_poly_scop): Remove use of scop_canonicalize_loops.
585
586 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
587
588         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
589         handle GIMPLE_CALL.
590
591 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
592
593         * tree-chrec.c (chrec_apply): Should only apply to the specified
594         variable.  Also handle multivariate chains of recurrences that
595         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
596
597 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
598
599         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
600         (debug_clast_name_indexes_1): Removed.
601         (debug_clast_name_indexes): Removed.
602         (pbb_to_depth_to_oldiv): Removed.
603         (build_iv_mapping): Replace the use of rename_map with iv_map.
604         (translate_clast_user): Remove uses of rename_map.  Allocate and
605         free iv_map.
606         (translate_clast_for_loop): Remove uses of rename_map.
607         (translate_clast_for): Same.
608         (translate_clast_guard): Same.
609         (translate_clast): Same.
610         (gloog): Same.
611         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
612         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
613         * sese.c (set_rename): Now static.
614         (rename_variables_in_stmt): Removed.
615         (rename_uses): New.
616         (is_parameter): Removed.
617         (is_iv): Removed.
618         (expand_scalar_variables_call): Removed.
619         (expand_scalar_variables_ssa_name): Removed.
620         (expand_scalar_variables_expr): Removed.
621         (expand_scalar_variables_stmt): Removed.
622         (expand_scalar_variables): Removed.
623         (rename_variables): Removed.
624         (remove_condition): Removed.
625         (get_true_edge_from_guard_bb): Removed.
626         (get_false_edge_from_guard_bb): Removed.
627         (struct igp): Removed.
628         (default_before_guard): Removed.
629         (convert_for_phi_arg): Removed.
630         (add_guard_exit_phis): Removed.
631         (insert_guard_phis): Removed.
632         (graphite_copy_stmts_from_block): Now also uses iv_map and a
633         region.  Do not copy conditions.  Do not copy induction variables.
634         Call rename_uses.
635         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
636         the translated statement.  Use the iv_map for the induction
637         variable renaming.
638         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
639         (set_rename): Removed declaration.
640         (scev_analyzable_p): ...here.
641         * tree-chrec.c (chrec_apply_map): New.
642         * tree-chrec.h (chrec_apply_map): Declared.
643
644 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
645
646         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
647         insert_loop_close_phis.
648         * sese.c (name_defined_in_loop_p): Removed.
649         (expr_defined_in_loop_p): Removed.
650         (alive_after_loop): Removed.
651         (close_phi_not_yet_inserted_p): Removed.
652         (struct alep): Removed.
653         (add_loop_exit_phis): Removed.
654         (insert_loop_close_phis): Removed.
655
656 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
657
658         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
659         condition.
660         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
661
662 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
663
664         * gfortran.dg/graphite/id-20.f: New.
665
666 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
667
668         * graphite-cloog-util.h: Added cloog.h.
669         * graphite-blocking.c: Removed cloog.h.
670         * graphite-dependences.c: Same.
671         * graphite-interchange.c: Same.
672         * graphite-poly.c: Same.
673         * graphite-ppl.c: Same.
674         * graphite-scop-detection.c: Same.
675         * graphite-sese-to-poly.c:
676         Removed cloog.h.
677         Removed graphite-clast-to-gimple.h.
678         (check_poly_representation): Removed (unused).
679         * graphite-sese-to-poly.h
680         (check_poly_representation): Removed (unused).
681
682 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
683
684         * Makefile.in
685         (OBJS-common): Added graphite-cloog-util.o.
686         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
687         (graphite-cloog-util.o): New.
688         (graphite-ppl.o): Added graphite-cloog-util.h.
689         * graphite-clast-to-gimple.c:
690         Added graphite-cloog-util.h to include statements.
691         * graphite-cloog-util.c: New.
692         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
693         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
694         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
695         (new_C_Polyhedron_from_Cloog_Matrix): Same.
696         (ppl_Constrain_System_number_of_constraints): Same.
697         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
698         (oppose_constraint): Same.
699         (cloog_matrix_to_ppl_constraint): Same.
700         (new_Constraint_System_from_Cloog_Matrix): Same.
701         (insert_constraint_into_matrix): Same. Declared static.
702         * graphite-cloog-util.h: New.
703         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
704         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
705         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
706         (new_C_Polyhedron_from_Cloog_Matrix): Same.
707         (insert_constraint_into_matrix): Same.
708         * graphite-ppl.c:
709         Added graphite-cloog-util.h to include statements.
710         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
711         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
712         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
713         (new_C_Polyhedron_from_Cloog_Matrix): Same.
714         (insert_constraint_into_matrix): Same.
715         (ppl_Constrain_System_number_of_constraints): Same.
716         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
717         (oppose_constraint): Same.
718         (cloog_matrix_to_ppl_constraint): Same.
719         (new_Constraint_System_from_Cloog_Matrix): Same.
720         * graphite-ppl.h:
721         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
722         graphite-cloog-util.h.
723         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
724         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
725         (new_C_Polyhedron_from_Cloog_Matrix): Same.
726         (insert_constraint_into_matrix): Removed.
727
728 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
729
730         * graphite-clast-to-gimple.c
731         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
732         (precision_for_interval): Same.
733         (gcc_type_for_interval): Same.
734         (compute_type_for_level): Same.
735         * graphite-interchange.c
736         (lst_interchange_profitable_p): Same.
737         * graphite-poly.c
738         (psct_scattering_dim_for_loop_depth): Same.
739         * graphite-ppl.c
740         (ppl_max_for_le_pointset): Same.
741         (ppl_min_for_le_pointset): Same.
742
743 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
744
745         * refined-regions.c (bb_index_compare): New.
746         (get_bbs_in_region): New.
747         (print_bbs_in_region): New.
748         (print_refined_region): Add an argument that allows to print
749         all basic blocks contained in regions.
750         (debug_refined_region): Update call to print_refined_region.
751         * refined-regions.h (print_refined_region): Update declaration.
752         (get_bbs_in_region): Declared.
753         * graphite-scop-detection.c (build_scops_new): Print the refined
754         region tree into the Grahite dump file.
755
756 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
757
758         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
759         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
760
761 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
762
763         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
764         rewrite_close_phi_out_of_ssa.
765
766         * gcc.dg/graphite/id-22.c: New.
767
768 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
769
770         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
771
772 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
773
774         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
775         rename_map.
776         * sese.c (debug_rename_map): Same.
777         (get_rename): Same.
778         (set_rename): Same.
779         (rename_variables_in_stmt): Same.
780         (expand_scalar_variables_call): Same.
781         (expand_scalar_variables_ssa_name): Same.
782         (expand_scalar_variables_expr): Same.
783         (expand_scalar_variables_stmt): Same.
784         (expand_scalar_variables): Same.
785         (rename_variables): Same.
786         (graphite_copy_stmts_from_block): Same.
787         (copy_bb_and_scalar_dependences): Same.
788
789 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
790
791         * graphite-clast-to-gimple.c (copy_renames): Removed.
792         (translate_clast_for): Do not call copy_renames.
793         (translate_clast_guard): Same.
794
795 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
796
797         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
798         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
799         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
800         before rewrite_cross_bb_scalar_deps.
801
802 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
803
804         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
805         Early return in when flag_associative_math is not set.
806
807 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
808
809         * gcc.dg/graphite/run-id-2.c: Call abort.
810
811 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
812
813         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
814         of SSA copies on edges except for loop->latch.
815
816 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
817
818         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
819         Split out of rewrite_reductions_out_of_ssa.
820         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
821         Declared.
822         * graphite.c (graphite_transform_loops): Call it.
823
824 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
825
826         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
827
828 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
829
830         * passes.c (init_optimization_passes): Add pass_graphite.
831         Schedule a pass_copy_prop before pass_graphite_transforms.
832         * timevar.def (TV_GRAPHITE): Declared.
833         * tree-pass.h (pass_graphite): Declared.
834         * tree-ssa-loop.c (pass_graphite): New.
835
836         * gcc.dg/graphite/id-20.c: New.
837
838 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
839
840         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
841         Remove calls to rename_nb_iterations and rename_sese_parameters.
842         * graphite-clast-to-gimple.h (gloog): Update declaration.
843         * graphite.c (graphite_transform_loops): Update call to gloog.
844         * sese.c (rename_variables_in_expr): Removed.
845         (rename_nb_iterations): Removed.
846         (rename_sese_parameters): Removed.
847         * sese.h (rename_nb_iterations): Removed.
848         (rename_sese_parameters): Removed.
849
850 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
851
852         * graphite-clast-to-gimple.c (gloog): Remove call to
853         sese_adjust_liveout_phis.
854         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
855         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
856         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
857         rewrite_phi_out_of_ssa.
858         * sese.c (get_vdef_before_sese): Removed.
859         (sese_adjust_vphi): Removed.
860         (sese_adjust_liveout_phis): Removed.
861         * sese.h (sese_adjust_liveout_phis): Removed.
862
863 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
864
865         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
866         argument for the place after which to insert the out of SSA copy.
867         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
868         (rewrite_phi_out_of_ssa): Same.
869         (rewrite_cross_bb_scalar_deps): Same.
870         (insert_copyout): Removed.
871         (insert_copyin): Removed.
872         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
873         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
874         insert_copyin.
875
876 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
877
878         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
879         (rewrite_reductions_out_of_ssa): Same.
880         (rewrite_commutative_reductions_out_of_ssa): Same.
881         (build_poly_scop): Do not call these functions.
882         * graphite-sese-to-poly.h (build_poly_scop): Declared.
883         (rewrite_reductions_out_of_ssa): Declared.
884         (rewrite_commutative_reductions_out_of_ssa): Declared.
885         * graphite.c (graphite_transform_loops): Call on every scop
886         rewrite_commutative_reductions_out_of_ssa before calling
887         rewrite_reductions_out_of_ssa and build_scop_bbs.
888
889 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
890
891         * graphite-dependences.c (dot_deps): Make system call to dotty run
892         in background.
893         (dot_deps_stmt): Same.
894         * graphite-poly.c (dot_lst): Same.
895
896 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
897
898         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
899         old_type in parameter.
900         (gcc_type_for_value): Update call to gcc_type_for_interval.
901         (compute_type_for_level_1): Renamed compute_type_for_level.
902         Update call to gcc_type_for_interval.
903
904 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
905
906         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
907         the scev analysis when the variable is not used outside the loop
908         in a close phi node: call compute_overall_effect_of_inner_loop.
909
910 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
911
912         * graphite-sese-to-poly.c (single_pred_cond): Renamed
913         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
914         (build_sese_conditions_before): Renamed call to single_pred_cond.
915         (build_sese_conditions_after): Same.
916
917 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
918
919         * graphite-poly.h: Fix comments and indentation.
920         * graphite-sese-to-poly.c: Same.
921         (build_sese_conditions_before): Compute stmt and gbb only when needed.
922         * tree-chrec.c: Fix comments and indentation.
923         (tree-ssa-loop-niter.c): Same.
924
925 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
926
927         * refined-regions.c (create_region): Only initialize the region.
928         (find_regions_with_entry): Initialize parent relation and bbmap
929         correctly.
930         (build_regions_tree): Set outermost_region to region instead of
931         topmost_region.
932         (calculate_region_tree): Remove unneeded parameters.
933
934 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
935
936         * graphite-scop-detection.c (is_scop_p): New.
937         (build_scops_new): New. A skeleton for the new scop detection.
938         (build_scops_old): Renamed from build_scops.
939         (build_scops): New version. Call the new and the old scop
940         detection.
941
942 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
943             Antoniu Pop  <antoniu.pop@gmail.com>
944
945         * Makefile.in (OBJS-common): Add refined-regions.o.
946         (refined-regions.o): New.
947         (graphite-scop-detection.o): Use refined-regions.h.
948         * graphite-scop-detection.c: Include refined-regions.h
949         (build_scops): Also build the refined region tree.
950         * refined-regions.c: New. Adds an algorithm to detect refined
951         regions.
952         (print_refined_region): New.
953         (debug_refined_region): New.
954         (refined_region_contains_bb_p): New.
955         (refined_region_contains_region_p): New.
956         (is_common_df): New.
957         (struct find_regions_global_data): New.
958         (is_region): New.
959         (typedef struct bb_bb_def): New.
960         (new_bb_bb_def): New.
961         (bb_bb_map_hash): New.
962         (eq_bb_bb_map): New.
963         (find_new_bb): New.
964         (bb_reg_def): New.
965         (new_bb_reg_def): New.
966         (bb_reg_map_hash): New.
967         (eq_bb_reg_map): New.
968         (find_new_region): New.
969         (insert_new_reg): New.
970         (insert_new_bb): New.
971         (insert_shortcut): New.
972         (get_next_postdom): New.
973         (create_region): New.
974         (find_regions_with_entry): New.
975         (find_regions_adc): New.
976         (find_regions): New.
977         (get_topmost_parent): New.
978         (build_regions_tree): New.
979         (calculate_region_tree): New.
980         (free_region_tree): New.
981         * refined-regions.h: New.
982         (struct refined_region): New.
983         (calculate_region_tree): New.
984         (free_region_tree): New.
985         (refined_region_contains_bb_p): New.
986         (refined_region_contains_region_p): New.
987         (print_refined_region): New.
988         (debug_refined_region): New.
989
990 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
991
992         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
993         size_one_node.
994
995 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
996
997         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
998         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
999
1000 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1001
1002         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1003         phi_arg_in_outermost_loop.
1004         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1005         (remove_invariant_phi): Same.
1006
1007 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1008
1009         * graphite-blocking.c
1010         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1011         * graphite-clast-to-gimple.c
1012         (clast_to_gcc_expression): Same.
1013         (precision_for_value): Same.
1014         (precision_for_interval): Same.
1015         (gcc_type_for_interval): Same.
1016         (graphite_create_new_guard): Same.
1017         (compute_bounds_for_level): Same.
1018         (graphite_create_new_loop_guard): Same.
1019         * graphite-interchange.c
1020         (build_linearized_memory_access): Same.
1021         (pdr_stride_in_loop): Same.
1022         (memory_strides_in_loop_1): Same.
1023         (memory_strides_in_loop): Same.
1024         (extend_scattering): Same.
1025         (psct_scattering_dim_for_loop_depth): Same.
1026         (pbb_number_of_iterations): Same.
1027         * graphite-poly.h
1028         (debug_iteration_domains): Same.
1029         * graphite-ppl.c
1030         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1031         (ppl_set_inhomogeneous_gmp): Same.
1032         (ppl_strip_loop): Same.
1033         (ppl_lexico_compare_linear_expressions): Same.
1034         (ppl_read_polyhedron_matrix): Same.
1035         (ppl_max_for_le_pointset): Same.
1036         * graphite-ppl.h
1037         (ppl_read_polyhedron_matrix): Same.
1038         (tree_int_to_gmp): Same.
1039         (gmp_cst_to_tree): Same.
1040         (ppl_set_inhomogeneous): Same.
1041         (ppl_set_inhomogeneous_tree): Same.
1042         (ppl_set_coef): Same.
1043         (ppl_set_coef_tree): Same.
1044         * graphite-sese-to-poly.c
1045         (build_pbb_scattering_polyhedrons): Same.
1046         (build_scop_scattering): Same.
1047         (scan_tree_for_params_right_scev): Same.
1048         (scan_tree_for_params): Same.
1049         (find_params_in_bb): Same.
1050         (find_scop_parameters): Same.
1051         (add_upper_bounds_from_estimated_nit): Same.
1052         (build_loop_iteration_domains): Same.
1053         (add_condition_to_domain): Same.
1054         (pdr_add_memory_accesses): Same.
1055
1056 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1057
1058         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1059         CLooG's value_* macros to their respective mpz_* counterparts.
1060         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1061         (graphite_create_new_loop_guard): Same.
1062         * graphite-interchange.c (build_linearized_memory_access): Same.
1063         (pdr_stride_in_loop): Same.
1064         (memory_strides_in_loop_1): Same.
1065         (1st_interchange_profitable_p): Same.
1066         * graphite-poly.c (extend_scattering): Same.
1067         (psct_scattering_dim_for_loop_depth): Same.
1068         (pbb_number_of_iterations): Same.
1069         (pbb_number_of_iterations_at_time): Same.
1070         * graphite-poly.h (new_1st_loop): Same.
1071         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1072         (oppose_constraint): Same.
1073         (insert_constraint_into_matrix): Same.
1074         (ppl_set_inhomogeneous_gmp): Same.
1075         (ppl_set_coef_gmp): Same.
1076         (ppl_strip_loop): Same.
1077         (ppl_lexico_compare_linear_expressions): Same.
1078         (ppl_max_for_le_pointset): Same.
1079         (ppl_min_for_le_pointset): Same.
1080         (ppl_build_realtion): Same.
1081         * graphite-ppl.h (gmp_cst_to_tree): Same.
1082         (ppl_set_inhomogeneous): Same.
1083         (ppl_set_inhomogeneous_tree): Same.
1084         (ppl_set_coef): Same.
1085         (ppl_set_coef_tree): Same.
1086         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1087         (build_scop_scattering): Same.
1088         (add_value_to_dim): Same.
1089         (scan_tree_for_params_right_scev): Same.
1090         (scan_tree_for_params_int): Same.
1091         (scan_tree_for_params): Same.
1092         (find_params_in_bb): Same.
1093         (find_scop_parameters): Same.
1094         (add_upper_bounds_from_estimated_nit): Same.
1095         (build_loop_iteration_domains): Same.
1096         (create_linear_expr_from_tree): Same.
1097         (add_condition_to_domain): Same.
1098         (pdr_add_memory_accesses): Same.
1099
1100 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         PR middle-end/43519
1103         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1104         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1105         When converting an unsigned type to signed, double its precision.
1106         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1107         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1108         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1109
1110 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         PR middle-end/43519
1113         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1114         build_nonstandard_integer_type.
1115         (gcc_type_for_interval): Same.
1116
1117 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         PR middle-end/43519
1120         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1121         POINTER_PLUS_EXPR for pointer types.
1122
1123         * gcc.dg/graphite/id-19.c: New.
1124
1125 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         PR middle-end/43519
1128         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1129         * graphite-clast-to-gimple.c: Include langhooks.h.
1130         (max_signed_precision_type): New.
1131         (max_precision_type): Takes two types as arguments.
1132         (precision_for_value): New.
1133         (precision_for_interval): New.
1134         (gcc_type_for_interval): New.
1135         (gcc_type_for_value): New.
1136         (gcc_type_for_clast_term): New.
1137         (gcc_type_for_clast_red): New.
1138         (gcc_type_for_clast_bin): New.
1139         (gcc_type_for_clast_expr): Split up into several functions.
1140         (gcc_type_for_clast_eq): Rewritten.
1141         (compute_bounds_for_level): New.
1142         (compute_type_for_level_1): New.
1143         (compute_type_for_level): New.
1144         (gcc_type_for_cloog_iv): Removed.
1145         (gcc_type_for_iv_of_clast_loop): Rewritten.
1146         (graphite_create_new_loop): Compute the lower and upper bound types
1147         with gcc_type_for_clast_expr.
1148         (graphite_create_new_loop_guard): Same.
1149         (find_cloog_iv_in_expr): Removed.
1150         (compute_cloog_iv_types_1): Removed.
1151         (compute_cloog_iv_types): Removed.
1152         (gloog): Do not call compute_cloog_iv_types.
1153         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1154         GBB_CLOOG_IV_TYPES.
1155         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1156         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1157         (GBB_CLOOG_IV_TYPES): Removed.
1158
1159         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1160
1161 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1162
1163         Reverted this commit: as at this point the loop closed SSA form
1164         is under a canonical form respecting the single argument condition.
1165         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1166         close phi nodes may have more than one argument.
1167
1168 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1169
1170         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1171         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1172         (detect_commutative_reduction): Same.
1173
1174 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1177         close phi nodes may have more than one argument.
1178
1179 2010-03-30  Richard Guenther  <rguenther@suse.de>
1180             Zdenek Dvorak  <ook@ucw.cz>
1181             Sebastian Pop  <sebastian.pop@amd.com>
1182
1183         PR middle-end/43464
1184         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1185         with multiple arguments.
1186         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1187
1188 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1189
1190         * graphite-dependences.c (print_pddr): Call print_pdr with an
1191         extra argument.
1192         * graphite-poly.c (debug_pdr): Add an extra argument for the
1193         verbosity level.
1194         (print_pdr): Same.
1195         (print_pbb_domain): Same.
1196         (print_pbb): Same.
1197         (print_scop_context): Same.
1198         (print_scop): Same.
1199         (print_cloog): Same.
1200         (debug_pbb_domain): Same.
1201         (debug_pbb): Same.
1202         (print_pdrs): Same.
1203         (debug_pdrs): Same.
1204         (debug_scop_context): Same.
1205         (debug_scop): Same.
1206         (debug_cloog): Same.
1207         (print_scop_params): Same.
1208         (debug_scop_params): Same.
1209         (print_iteration_domain): Same.
1210         (print_iteration_domains): Same.
1211         (debug_iteration_domain): Same.
1212         (debug_iteration_domains): Same.
1213         (print_scattering_function): Same.
1214         (print_scattering_functions): Same.
1215         (debug_scattering_function): Same.
1216         (debug_scattering_functions): Same.
1217         * graphite-poly.h (debug_pdr): Update declaration.
1218         (print_pdr): Same.
1219         (print_pbb_domain): Same.
1220         (print_pbb): Same.
1221         (print_scop_context): Same.
1222         (print_scop): Same.
1223         (print_cloog): Same.
1224         (debug_pbb_domain): Same.
1225         (debug_pbb): Same.
1226         (print_pdrs): Same.
1227         (debug_pdrs): Same.
1228         (debug_scop_context): Same.
1229         (debug_scop): Same.
1230         (debug_cloog): Same.
1231         (print_scop_params): Same.
1232         (debug_scop_params): Same.
1233         (print_iteration_domain): Same.
1234         (print_iteration_domains): Same.
1235         (debug_iteration_domain): Same.
1236         (debug_iteration_domains): Same.
1237         (print_scattering_function): Same.
1238         (print_scattering_functions): Same.
1239         (debug_scattering_function): Same.
1240         (debug_scattering_functions): Same.
1241
1242 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1243
1244         * graphite-poly.c (print_scattering_function_1): New.
1245         (print_scattering_function): Call it.
1246         (print_scop_params): Remove spaces at the end of lines.
1247         (print_cloog): New.
1248         (debug_cloog): New.
1249         * graphite-poly.h (print_cloog): Declared.
1250         (debug_cloog): Declared.
1251
1252 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1253
1254         * tree-ssa-copy.c: Revert this previous change:
1255         (init_copy_prop): Loop closed phi nodes cancontain more than one
1256         argument.
1257         (execute_copy_prop): Revert the previous change: do not call
1258         rewrite_into_loop_closed_ssa.
1259
1260 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1261             Richard Guenther  <rguenther@suse.de>
1262
1263         PR middle-end/43464
1264         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1265         contain more than one argument.
1266         (execute_copy_prop): Revert the previous change: do not call
1267         rewrite_into_loop_closed_ssa.
1268
1269         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1270         * gcc.dg/graphite/id-pr43464-1.c: New.
1271
1272 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         PR middle-end/43464
1275         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1276         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1277
1278         * gcc.dg/graphite/id-pr43464.c: New.
1279
1280 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1281
1282         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1283         in loop->header.
1284         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1285         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1286         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1287         to switch between adding the IV bump in loop->latch or in loop->header.
1288
1289 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1290
1291         * passes.c (init_optimization_passes): Add pass_copy_prop
1292         after Graphite.
1293
1294 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * graphite-poly.c (print_scattering_function): Pretty print following
1297         the scoplib format.
1298         (print_pdr): Same.
1299         (print_pbb_domain): Same.
1300         (dump_gbb_cases): Same.
1301         (dump_gbb_conditions): Same.
1302         (print_pdrs): Same.
1303         (print_pbb): Same.
1304         (print_scop_params): Same.
1305         (print_scop_context): Same.
1306         (print_scop): Same.
1307         (print_pbb_body): New.
1308         (lst_indent_to): New.
1309         (print_lst): Start new lines with a #.
1310         * graphite-poly.h (pbb_bb): New.
1311         (pbb_index): Use pbb_bb.
1312         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1313         disjuncts.
1314         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1315
1316 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         PR middle-end/43351
1319         * gcc.dg/graphite/id-pr43351.c
1320
1321 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         PR middle-end/43354
1324         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1325         call insert_out_of_ssa_copy for default definitions.
1326         * gfortran.dg/graphite/id-pr43354.f: New.
1327
1328 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         PR middle-end/43349
1331         * gfortran.dg/graphite/pr43349.f: New.
1332
1333 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         * graphite-clast-to-gimple.c (my_long_long): Defined.
1336         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1337         * graphite-sese-to-poly.c (my_long_long): Defined.
1338         (scop_ivs_can_be_represented): Use it.
1339
1340 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1343         graphite-max-bbs-per-function, and loop-block-tile-size.
1344         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1345         with "maximum".
1346         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1347
1348 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1349
1350         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1351         forward declaration.
1352         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1353         (add_upper_bounds_from_estimated_nit): New.
1354         (build_loop_iteration_domains): Use it.
1355
1356 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1357
1358         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1359
1360 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1361
1362         PR middle-end/43306
1363         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1364         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1365         * gcc.dg/graphite/pr43306.c: New.
1366
1367 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1368
1369         * graphite.c (graphite_initialize): To bound the number of bbs per
1370         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1371         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1372         * doc/invoke.texi: Document it.
1373
1374 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1375
1376         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1377         * graphite-sese-to-poly.h (build_poly_scop): Same.
1378
1379 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1382         the number of parameters in the scop.  Use as an upper bound
1383         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1384         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1385         * doc/invoke.texi: Document it.
1386
1387 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1388
1389         * graphite-sese-to-poly.c (add_param_constraints): Use
1390         lower_bound_in_type and upper_bound_in_type.
1391
1392 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1393
1394         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1395         instead of unsigned_type_node.
1396
1397 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1398             Reza Yazdani  <reza.yazdani@amd.com>
1399
1400         PR middle-end/43065
1401         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1402         on pointer type parameters.
1403
1404         * gcc.dg/graphite/run-id-4.c: New.
1405
1406 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         PR middle-end/43065
1409         * gcc.dg/graphite/run-id-3.c: New.
1410
1411 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1412             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1413
1414         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1415         handle conversions from pointer to integers.
1416         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1417         induction variable, to be able to work with code generated by CLooG.
1418         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1419         (build_poly_scop): Bail out if we cannot codegen a loop.
1420
1421 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1422
1423         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1424         code generation with gloog_error.
1425
1426 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1429         Call fold_convert on all the returned values.
1430         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1431         the type of the resulting expression.
1432
1433 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1434
1435         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1436         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1437         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1438
1439 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1440
1441         * graphite-dependences.c (map_into_dep_poly): Removed.
1442         (dependence_polyhedron_1): Use combine_context_id_scat.
1443
1444 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1447         (struct poly_bb): Same.
1448         (combine_context_id_scat): New.
1449
1450 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1451
1452         PR middle-end/42326
1453         * sese.c (name_defined_in_loop_p): Return false for default
1454         definitions.
1455
1456         * gcc.dg/graphite/pr42326.c: New.
1457
1458 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1461         and clean up the logic.
1462
1463 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1466         early return.
1467
1468 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         PR middle-end/43083
1471         * graphite-scop-detection.c (create_single_exit_edge): Move
1472         the call to find_single_exit_edge to....
1473         (create_sese_edges): ...here.  Don't handle multiple edges
1474         exiting the function.
1475         (build_graphite_scops): Don't handle multiple edges
1476         exiting the function.
1477
1478         * gcc.dg/graphite/pr43083.c: New.
1479
1480 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         PR middle-end/43097
1483         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1484         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1485
1486         * gfortran.dg/graphite/pr43097.f: New.
1487
1488 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1489             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1490
1491         PR middle-end/43140
1492         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1493
1494 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1495
1496         PR middle-end/43026
1497         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1498
1499         * g++.dg/graphite/pr43026.C: New.
1500
1501 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1502
1503         * Merge from mainline (154736:156693).
1504
1505 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1506
1507         PR middle-end/43012
1508         * gcc.dg/graphite/pr43012.c: New.
1509
1510 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1511
1512         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1513 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * g++.dg/graphite/pr42930.C: New.
1516
1517 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         PR middle-end/42930
1520         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1521         graphite_can_represent_init for MULT_EXPR.
1522
1523 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1524
1525         PR middle-end/42914
1526         PR middle-end/42530
1527         * graphite-sese-to-poly.c (remove_phi): New.
1528         (translate_scalar_reduction_to_array): Call remove_phi.
1529
1530         * gcc.dg/graphite/pr42530.c: New.
1531         * gcc.dg/graphite/pr42914.c: New.
1532
1533 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1534
1535         PR middle-end/42771
1536         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1537         * graphite-clast-to-gimple.h (gloog): Update declaration.
1538         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1539         * graphite-poly.h (struct poly_bb): Add missing comments.
1540         (struct scop): Add poly_scop_p field.
1541         (POLY_SCOP_P): New.
1542         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1543         * graphite.c (graphite_transform_loops): Build the polyhedral
1544         representation for each scop before code generation.
1545         * sese.c (rename_variables_in_operand): Removed.
1546         (rename_variables_in_expr): Return the renamed expression.
1547         (rename_sese_parameters): New.
1548         * sese.h (rename_sese_parameters): Declared.
1549
1550         * gcc.dg/graphite/pr42771.c: New.
1551
1552 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1553
1554         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1555         return 0 from main.
1556         * gcc.dg/graphite/block-1.c: Same.
1557         * gcc.dg/graphite/block-3.c: Same.
1558         * gcc.dg/graphite/block-4.c: Same.
1559         * gcc.dg/graphite/block-5.c: Same.
1560         * gcc.dg/graphite/block-6.c: Same.
1561         * gcc.dg/graphite/block-7.c: Same.
1562         * gcc.dg/graphite/interchange-0.c: Same.
1563         * gcc.dg/graphite/interchange-1.c: Same.
1564         * gcc.dg/graphite/interchange-10.c: Same.
1565         * gcc.dg/graphite/interchange-11.c: Same.
1566         * gcc.dg/graphite/interchange-12.c: Same.
1567         * gcc.dg/graphite/interchange-2.c: Same.
1568         * gcc.dg/graphite/interchange-3.c: Same.
1569         * gcc.dg/graphite/interchange-4.c: Same.
1570         * gcc.dg/graphite/interchange-5.c: Same.
1571         * gcc.dg/graphite/interchange-6.c: Same.
1572         * gcc.dg/graphite/interchange-7.c: Same.
1573         * gcc.dg/graphite/interchange-8.c: Same.
1574         * gcc.dg/graphite/interchange-9.c: Same.
1575         * gcc.dg/graphite/interchange-mvt.c: Same.
1576
1577 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * gfortran.dg/graphite/id-19.f: New.
1580         * gfortran.dg/graphite/pr14741.f90: New.
1581         * gfortran.dg/graphite/pr41924.f90: New.
1582         * gfortran.dg/graphite/run-id-2.f90: New.
1583
1584 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         PR middle-end/42988
1587         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1588         to unknown_dependence.
1589         (graphite_legal_transform_dr): Handle the unknown_dependence.
1590         (graphite_carried_dependence_level_k): Same.
1591
1592 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1593
1594         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1595
1596 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1597             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1598
1599         PR middle-end/42637
1600         * graphite-dependences.c (build_lexicographical_constraint): Return
1601         a union of dependence polyhedra.
1602         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1603
1604         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1605         * gcc.dg/graphite/block-4.c: Same.
1606         * gcc.dg/graphite/block-7.c: Same.
1607         * gcc.dg/graphite/interchange-12.c: Same.
1608         * gcc.dg/graphite/interchange-mvt.c: Same.
1609         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1610         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1611         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1612
1613 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1614
1615         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1616         the execution check to FAIL.  This testcase is miscompiled by Graphite
1617         and the check should be re-enabled.
1618         * gcc.dg/graphite/interchange-mvt.c: Same.
1619         * gcc.dg/graphite/block-0.c: Same.
1620         * gcc.dg/graphite/block-4.c: Same.
1621         * gcc.dg/graphite/block-7.c: Same.
1622
1623 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1626         * gcc.dg/graphite/scop-0.c: Fix spaces.
1627         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1628         * gfortran.dg/graphite/block-2.f: Same.
1629         * gfortran.dg/graphite/block-3.f90: Same.
1630         * gfortran.dg/graphite/block-4.f90: Same.
1631         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1632         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1633
1634 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1635
1636         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1637         PDDR_ORIGINAL_SCATTERING_P.
1638         (pddr_is_empty): Rewritten.
1639         (print_dependence_polyhedron_layout): New.
1640         (print_pddr): New.
1641         (debug_pddr): New.
1642         (build_alias_set_powerset): Moved up.
1643         (poly_drs_may_alias_p): Moved up.
1644         (lexicographically_gt_p): Removed.
1645         (build_lexicographically_gt_constraint): Renamed
1646         build_lexicographical_constraint, reimplemented.
1647         (dependence_polyhedron_1): Simplified parameters.
1648         (dependence_polyhedron): Same.  Keep along empty PDDRs
1649         to make efficient use of the cache.
1650         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1651         (graphite_legal_transform_dr): Rewritten.
1652         (graphite_legal_transform_bb): Pass fewer arguments to
1653         graphite_legal_transform_dr.
1654         (graphite_carried_dependence_level_k): Simplified implementation.
1655         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1656         (dot_transformed_deps_stmt_1): Same.
1657         (dot_original_deps): Same.
1658         (dot_transformed_deps): Same.
1659         * graphite-dependences.h (struct poly_ddr): Added a new field
1660         original_scattering_p.
1661         (PDDR_ORIGINAL_SCATTERING_P): New.
1662         (print_pddr): Declared.
1663         (debug_pddr): Declared.
1664         * graphite-ppl.c: Clarify comment.
1665         * sese.h (print_gimple_bb): Removed unused declaration.
1666         (debug_gbb): Same.
1667
1668 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * g++.dg/graphite/graphite.exp: Rewritten.
1671         * gcc.dg/graphite/graphite.exp: Rewritten.
1672         * gfortran.dg/graphite/graphite.exp: Rewritten.
1673         * gcc.dg/graphite/block-0.c: Added runtime test.
1674         * gcc.dg/graphite/block-1.c: Same.
1675         * gcc.dg/graphite/block-3.c: Same.
1676         * gcc.dg/graphite/block-4.c: Same.
1677         * gcc.dg/graphite/block-5.c: Same.
1678         * gcc.dg/graphite/block-6.c: Same.
1679         * gcc.dg/graphite/block-7.c: Same.
1680         * gcc.dg/graphite/interchange-0.c: Same.
1681         * gcc.dg/graphite/interchange-1.c: Same.
1682         * gcc.dg/graphite/interchange-10.c: Same.
1683         * gcc.dg/graphite/interchange-11.c: Same.
1684         * gcc.dg/graphite/interchange-12.c: Same.
1685         * gcc.dg/graphite/interchange-2.c: Same.
1686         * gcc.dg/graphite/interchange-3.c: Same.
1687         * gcc.dg/graphite/interchange-4.c: Same.
1688         * gcc.dg/graphite/interchange-5.c: Same.
1689         * gcc.dg/graphite/interchange-6.c: Same.
1690         * gcc.dg/graphite/interchange-7.c: Same.
1691         * gcc.dg/graphite/interchange-8.c: Same.
1692         * gcc.dg/graphite/interchange-9.c: Same.
1693         * gcc.dg/graphite/interchange-mvt.c: Same.
1694         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1695
1696 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1697
1698         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1699           background.
1700
1701 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1702
1703         * common.opt: Add -fgraphite-cloog-opts.
1704         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1705         * opts.c (decode_options): Same.
1706
1707 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1708
1709         * gcc.dg/graphite/id-17.c: New.
1710         * gcc.dg/graphite/pr41888.c: New.
1711         * gcc.dg/graphite/scop-22.c: New.
1712         * gfortran.dg/graphite/pr40982.f90: New.
1713
1714 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1715
1716         * graphite-dependences.c: Clarify comments.
1717         (build_pddr): Add an extra parameter direction.
1718         (graphite_legal_transform_dr): Use build_pddr.
1719         (dot_original_deps_stmt_1): Update use of build_pddr.
1720         (dot_transformed_deps_stmt_1): Same.
1721         (dot_original_deps): Same.
1722         (dot_transformed_deps): Same.
1723
1724         * gcc.dg/graphite/interchange-12.c: New.
1725         * gcc.dg/graphite/block-7.c: New.
1726
1727 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1728
1729         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1730         (pddr_transformed_scattering): Removed.
1731         (graphite_legal_transform_dr): Use build_pddr.
1732         (dot_original_deps_stmt_1): Same.
1733         (dot_transformed_deps_stmt_1): Same.
1734         (dot_original_deps): Same.
1735         (dot_transformed_deps): Same.
1736
1737 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1740         (build_lexicographically_gt_constraint): Same.
1741         (dependence_polyhedron_1): Same.
1742         (dependence_polyhedron): Same.
1743
1744 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1747         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1748         (lexicographically_gt_p): Change type of direction to int.
1749         (build_lexicographically_gt_constraint): Same.
1750         (dependence_polyhedron_1): Same.
1751         (dependence_polyhedron): Same.
1752         (pddr_original_scattering): Use integers for direction.
1753         (pddr_transformed_scattering): Same.
1754         (graphite_legal_transform_dr): Same.
1755         (graphite_carried_dependence_level_k): Same.
1756
1757 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1758
1759         * graphite-dependences.c (build_pairwise_constraint): Renamed
1760         ppl_build_relation.  Moved...
1761         (dr_equality_constraints): Use ppl_build_relation.
1762         (build_pairwise_scheduling_equality): Same.
1763         (build_pairwise_scheduling_inequality): Same.
1764         * graphite-ppl.c (ppl_build_relation): ...here.
1765         * graphite-ppl.h (ppl_build_relation): Declared.
1766
1767 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         PR middle-end/42681
1770         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1771         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1772         Set gloog_error when such an expression failed to be built.
1773         (translate_clast): Early return when gloog_error is set.
1774         (gloog): Clear gloog_error.  When gloog_error is set, call
1775         set_ifsese_condition to enable the original code.  Return the status
1776         of the code generation based on gloog_error.
1777         * sese.c (set_ifsese_condition): New.
1778         * sese.h (set_ifsese_condition): Declared.
1779
1780         * g++.dg/graphite/pr42681.C: New.
1781
1782 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         PR middle-end/42732
1785         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1786         rename_nb_iterations.
1787         * sese.c (rename_variables_in_operand): New.
1788         (rename_variables_in_expr): New.
1789         (rename_nb_iterations): New.
1790         (sese_adjust_liveout_phis): Update the rename_map.
1791         * sese.h (rename_nb_iterations): Declared.
1792         * tree-scalar-evolution.c (scev_reset_htab): New.
1793         (scev_reset): Call scev_reset_htab.
1794         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1795
1796         * gfortran.dg/graphite/pr42732.f: New.
1797
1798 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1799
1800         PR middle-end/42393
1801         * graphite-clast-to-gimple.c: Fix formatting.
1802         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1803         (expr_defined_in_loop_p): New.
1804         (add_loop_exit_phis): Also handle full expressions: remove from
1805         the rename_map the expressions defined in the loop that we're closing.
1806
1807         * gfortran.dg/graphite/pr42393-1.f90: New.
1808         * gfortran.dg/graphite/pr42393.f90: Add new flags
1809         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1810         make this testcase useful in the Graphite branch.
1811
1812 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-scop-detection.c (exclude_component_ref): Removed.
1815         (is_simple_operand): Removed.
1816         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1817
1818 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1819
1820         PR middle-end/42221
1821         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1822         the array indexing of ADDR_EXPRs.
1823
1824         * gcc.dg/graphite/pr42221.c: New.
1825
1826 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         PR middle-end/42521
1829         * graphite.c (graphite_finalize): Call scev_reset.
1830         (graphite_transform_loops): Do not call scev_reset between the code
1831         generation of scops.
1832
1833         * gcc.dg/graphite/pr42521.c: New.
1834
1835 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         * graphite-interchange.c (memory_stride_in_loop): Renamed
1838         pdr_stride_in_loop.
1839         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1840         (memory_strides_in_loop): Memoize the memory strides per loop.
1841         (lst_interchange_profitable_p): Do not initialize to zero the memory
1842         strides.
1843         * graphite-poly.h (struct lst): Add a field memory_strides.
1844         (LST_LOOP_MEMORY_STRIDES): New.
1845         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1846         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1847
1848 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1849
1850         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1851         memory_strides_in_loop.  Gather memory strides on a whole loop.
1852         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1853         (lst_interchange_profitable_p): Removed.
1854         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1855
1856 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1859         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1860         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1861         Remove context_loop and level.
1862
1863 2010-01-07  Richard Guenther  <rguenther@suse.de>
1864
1865         PR tree-optimization/42641
1866         * sese.c (rename_map_elt_info): Use the SSA name version, do
1867         not hash pointers.
1868
1869 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1870
1871         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1872         blocked" only when both the strip mine and the interchange have
1873         been applied.
1874
1875         * gcc.dg/graphite/block-2.c: Removed.
1876         * gcc.dg/graphite/block-3.c: Add scan pattern.
1877         * gcc.dg/graphite/block-4.c: Same.
1878         * gcc.dg/graphite/block-5.c: Same.
1879         * gcc.dg/graphite/block-6.c: Same.
1880
1881 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1884         before allocating a new one.
1885         (copy_renames): Check that slot is not NULL.
1886         (mark_bb_with_pbb): Same.
1887         (compute_cloog_iv_types_1): Same.
1888         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1889         nest, and after LSTs.
1890         (lst_try_interchange_loops): Same.
1891
1892 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1893
1894         PR middle-end/42178
1895         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1896         the before, nest, and after LSTs.
1897         (lst_try_interchange): Removed.
1898         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1899         were modified.
1900         (lst_interchange_select_outer): Apply interchange on the outer loop
1901         until there are no more changes in the inner loops.
1902
1903 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         Revert patch fixing PR middle-end/42221.
1906
1907 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         PR middle-end/42180
1910         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1911         GIMPLE_CALL.
1912
1913         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1914
1915 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1916
1917         PR middle-end/42180
1918         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1919         that contain only one statement.
1920
1921         * gfortran.dg/graphite/pr42180.f90: New.
1922
1923 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1924
1925         PR middle-end/42393
1926         * gfortran.dg/graphite/pr42393.f90: New.
1927
1928 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         PR middle-end/42186
1931         * gfortran.dg/graphite/pr42186.f90: New.
1932
1933 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1934
1935         PR middle-end/42205
1936         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1937         Insert the reduction copy in the same block as the phi node.
1938         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1939
1940         * gcc.dg/graphite/pr42205-1.c: New.
1941         * gcc.dg/graphite/pr42205-2.c: New.
1942
1943 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1944
1945         PR middle-end/42221
1946         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1947         the array indexing of ADDR_EXPRs.
1948
1949         * gcc.dg/graphite/pr42221.c: New.
1950
1951 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1952
1953         PR middle-end/42178
1954         PR middle-end/42334
1955         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1956         index.  Call lst_interchange_select_inner only once.
1957         (lst_interchange_select_inner): Update use of lst_try_interchange.
1958         (lst_interchange_select_outer): Update.
1959
1960 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         PR middle-end/42178
1963         PR middle-end/42334
1964         * graphite-interchange.c (lst_try_interchange): Do not increment the
1965         the OUTER index when there is no AFTER kernel.  Do not increment the
1966         OUTER index for after processing the AFTER kernel.
1967         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1968         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1969         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1970         (scop_do_interchange): Update use of lst_interchange_select_outer.
1971
1972         * gfortran.dg/graphite/graphite.exp
1973         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1974         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1975         the graphite dump file.
1976         * gfortran.dg/graphite/interchange-2.f: Same.
1977         * gfortran.dg/graphite/pr42334-1.f: New.
1978
1979 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         PR middle-end/42178
1982         PR middle-end/42334
1983         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1984         that are empty.
1985         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1986         (lst_try_interchange): Reimplemented.
1987         (lst_interchange_select_inner): Same.
1988         (lst_do_interchange): Renamed lst_interchange_select_outer.
1989         Reimplemented.
1990         (scop_do_interchange): Update use of lst_interchange_select_outer.
1991
1992         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1993         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1994         * gcc.dg/graphite/pr42211.c: New.
1995         * gfortran.dg/graphite/pr42334.f90: New.
1996
1997 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         PR middle-end/42181
2000         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2001         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2002
2003         * gfortran.dg/graphite/pr42181.f90: New.
2004
2005 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2006
2007         PR middle-end/42284
2008         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2009         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2010         (detect_commutative_reduction_arg): Simplified.
2011         (detect_commutative_reduction): Early return when the argument of
2012         the close phi is not of an SSA_NAME.
2013
2014         * gcc.dg/graphite/pr42284.c: New.
2015
2016 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2017
2018         * dbgcnt.def (graphite_scop): New counter.
2019         * graphite.c: Include dbgcnt.h
2020         (graphite_transform_loops): Use new counter to limit transformations.
2021
2022 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2023
2024         PR middle-end/42285
2025         * graphite-scop-detection.c (graphite_can_represent_init): Also
2026         handle more complex MULT_EXPRs containing parameters by recursion
2027         on the structure.
2028
2029         * gfortran.dg/graphite/pr42285.f90: New.
2030
2031 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2032
2033         * g++.dg/graphite/pr42130.C: Fix type.
2034
2035 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2036
2037         * g++.dg/graphite/pr42130.C: Correct testcase.
2038
2039 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2040
2041         * Merge from mainline (154493:154734).
2042
2043 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2044
2045         * Merge from mainline (151362:154491).
2046
2047 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2048
2049         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2050         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2051
2052 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2053
2054         PR middle-end/42130
2055         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2056         translate_clast_for_loop): New.
2057         (translate_clast_for): Add a condition around the loop, to do not
2058         execute loops with zero iterations.
2059         * g++.dg/graphite/pr42130.C: New.
2060         * gcc.dg/graphite/pr35356-2.c: Adapt.
2061
2062 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2063
2064         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2065         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2066         Remove context_loop and level.
2067
2068 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2069
2070         * graphite-clast-to-gimple.c (translate_clast_user,
2071         translate_clast_for, translate_clast_guard): Simplify and move common
2072         elements to translate_clast().
2073         (translate_clast): Simplify and get common elements.
2074
2075 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2076
2077         * graphite-clast-to-gimple.c (translate_clast_user,
2078         translate_clast_for, translate_clast_guard): Split out of
2079         translate_clast.
2080
2081 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2082
2083         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2084         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2085         debug_clast_name_indexes_1, debug_clast_name_indexes,
2086         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2087         (clast_name_to_gcc, clast_to_gcc_expression,
2088         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2089         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2090         graphite_create_guard_cond_expr, graphite_create_new_loop,
2091         translate_clast): Add params_index.
2092         (initialize_cloog_names): Create parameter strings from scratch, do
2093         not reference other strings.
2094         (create_params_index): New.
2095         (gloog): Initialize params_index.
2096         * graphite-scop-detection (free_scops_1): Removed.
2097         (limit_scops): Use normal free_scops.
2098         * graphite-sese-to-poly.c (save_var_names): Removed.
2099         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2100         and SESE_PARAMS_INDEX.
2101         * sese.c (new_sese, free_sese): Dito.
2102         * sese.h (struct sese): Remove params_index, params_names.
2103         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2104
2105 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         Revert the following patch from 2009-09-14:
2108         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2109         tree-scalar-evolution.h, and then tree-data-ref.h.
2110         * graphite-clast-to-gimple.c: Same.
2111         * graphite-dependences.c: Same.
2112         * graphite-interchange.c: Same.
2113         * graphite-poly.c: Same.
2114         * graphite-scop-detection.c: Same.
2115         * graphite-sese-to-poly.c: Same.
2116         * graphite.c: Same.
2117         * lambda-code.c: Same.
2118         * matrix-reorg.c: Same.
2119         * tree-data-ref.c: Same.
2120         * tree-if-conv.c: Same.
2121         * tree-loop-distribu: Same.: Same.
2122         * tree-loop-linear.c: Same.
2123         * tree-parloops.c: Same.
2124         * tree-predcom.c: Same.
2125         * tree-vect-patterns.c: Same.
2126
2127 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2128
2129         Revert patch from 2009-09-14.
2130         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2131         passes at -O1 and below.
2132
2133 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         PR middle-end/40281
2136         * gcc.dg/graphite/pr40281.c: New.
2137
2138         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2139         evolutions should not variate in inner loops.
2140
2141 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         PR middle-end/42050
2144         * gfortran.dg/graphite/pr42050.f90: New.
2145
2146 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2149         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2150
2151 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * graphite-blocking.c (scop_do_block): New.
2154         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2155         * graphite-poly.h (scop_do_block): Declared.
2156
2157 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2160         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2161         to transform depth into the time_depth before calling
2162         pbb_number_of_iterations_at_time.
2163         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2164         lst_depth.
2165
2166 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2167
2168         Reverted the patch for "scattering permutations" from 2009-10-28.
2169
2170         * graphite-poly.c (print_permutation): New.
2171         (debug_permutation): New.
2172         (new_poly_bb): Initialize PBB_PERMUTATION.
2173         (free_poly_bb): Free PBB_PERMUTATION.
2174         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2175         (struct pbb_permutation_elt): New.
2176         (PBB_PERMUTATION_ELT_STRIDE): New.
2177         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2178         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2179         (new_pbb_permutation_elt): New.
2180         (pbb_permutation_elt_free): New.
2181         (struct poly_bb): Add field permutation.
2182         (PBB_PERMUTATION): New.
2183         (print_permutation): Declared.
2184         (debug_permutation): Declared.
2185
2186 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2187
2188         * graphite-interchange.c (build_partial_difference): New.
2189         (memory_stride_in_loop): Refactored the computation of
2190         equality constraints into build_partial_difference function.
2191         Added support for debugging stride computations.
2192
2193 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-clast-to-gimple.c (gloog): Free if_region,
2196         if_region->true_region, and if_region->region.
2197         * sese.c (if_region_set_false_region): Free if_region->false_region.
2198         (create_if_region_on_edge): Do not use GGC_NEW.
2199         (move_sese_in_condition): Remove useless initialization.
2200
2201 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2202
2203         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2204         for the loops created by the loop distribution.  Do not modify the
2205         input LSTs.
2206         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2207         transformed schedule.  Call lst_update_scattering before data
2208         dependence analysis.
2209         (lst_try_interchange): Pass an extra parameter INDEX.
2210         (lst_do_interchange_1): New.
2211         (lst_do_interchange): Call lst_do_interchange_1.
2212         (scop_do_interchange): Call lst_update_scattering.
2213         * graphite-poly.c (apply_poly_transforms): Do not call
2214         lst_update_scattering.
2215         * graphite-poly.h (lst_pred): New.
2216         (lst_succ): New.
2217         (lst_find_first_pbb): Return NULL when not found.
2218         (lst_empty_p): New.
2219         (lst_insert_in_sequence): Allow LST1 to be NULL.
2220         (lst_replace): New.
2221         (lst_substitute_3): New.
2222         * gcc.dg/graphite/interchange-1.c: XFail.
2223         * gcc.dg/graphite/interchange-8.c: XFail.
2224         * gcc.dg/graphite/interchange-11.c: XFail.
2225
2226 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         * graphite-interchange.c (lst_perfectly_nested_p): New.
2229         (lst_perfect_nestify): New.
2230         (lst_try_interchange_loops): Call store_lst_schedule,
2231         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2232         (scop_do_interchange): Avoid redundant legality test.
2233         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2234         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2235         * graphite-poly.h (psct_static_dim): New.
2236         (lst_dewey_number_at_depth): New.
2237         (lst_find_pbb): Restructured.
2238         (lst_find_first_pbb): Restructured.
2239         (lst_find_last_pbb): New.
2240         (lst_contains_p): New.
2241         (lst_contains_pbb): New.
2242         (lst_create_nest): New.
2243         (lst_remove_from_sequence): New.
2244         (pbb_update_scattering): New.
2245         (lst_update_scattering_under): New.
2246         (lst_update_scattering_seq): New.
2247         (lst_update_scattering): New.
2248         (lst_insert_in_sequence): New.
2249         (lst_distribute_lst): New.
2250         (lst_remove_all_before_including_pbb): New.
2251         (lst_remove_all_before_excluding_pbb): New.
2252
2253 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2256         get_loop_exit_edges.
2257
2258 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2261
2262 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2263
2264         * graphite-poly.c (print_permutation): New.
2265         (debug_permutation): New.
2266         (new_poly_bb): Initialize PBB_PERMUTATION.
2267         (free_poly_bb): Free PBB_PERMUTATION.
2268         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2269         (struct pbb_permutation_elt): New.
2270         (PBB_PERMUTATION_ELT_STRIDE): New.
2271         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2272         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2273         (new_pbb_permutation_elt): New.
2274         (pbb_permutation_elt_free): New.
2275         (struct poly_bb): Add field permutation.
2276         (PBB_PERMUTATION): New.
2277         (print_permutation): Declared.
2278         (debug_permutation): Declared.
2279
2280 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2281
2282         * graphite-clast-to-gimple.c (gloog): Do not call
2283         sese_reset_aux_in_loops.
2284         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2285         extra argument for domains.  Do not use loop->aux.
2286         (build_scop_iteration_domain): Initialize and free domains, pass it
2287         to build_loop_iteration_domains and extract the information from
2288         domains.  Do not use loop->aux.
2289         * sese.c (sese_reset_aux_in_loops): Removed.
2290         * sese.h (sese_reset_aux_in_loops): Removed.
2291
2292 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2295         (dependency_in_loop_p): Same.
2296         (translate_clast): Do not use loop->aux.  Initialize
2297         loop->can_be_parallel.
2298         (mark_loops_parallel): Removed.
2299         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2300         * graphite.c (free_aux_in_new_loops): Removed.
2301         (graphite_finalize): Do not call free_aux_in_new_loops.
2302         (graphite_transform_loops): Do not call mark_loops_parallel.
2303
2304 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2305
2306         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2307         (translate_clast): Pass an extra parameter LEVEL.
2308         Call get_scattering_level.
2309         * graphite-clast-to-gimple.h (get_scattering_level): New.
2310
2311 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2314         * cfgloop.h (struct loop): New field single_iv.
2315
2316         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2317         loop->aux anymore: use loop->single_iv.
2318         (graphite_loop_normal_form): Moved...
2319         (build_graphite_loop_normal_form): Removed.
2320         (gloog): Do not call build_graphite_loop_normal_form.
2321         (free_aux_in_new_loops): Moved...
2322         (mark_loops_parallel): Restructure.
2323         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2324         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2325         (scop_canonicalize_loops): New.
2326         (build_poly_scop): Call scop_canonicalize_loops.
2327         * graphite.c (free_aux_in_new_loops): ...here.
2328
2329 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2330
2331         * g++.dg/graphite/graphite.exp: Add the same rules as in
2332         gcc.dg/graphite/graphite.exp.
2333
2334 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2335
2336         * g++.dg/graphite/id-1.C: New.
2337
2338 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2341         argument base_name.
2342         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2343         (rewrite_phi_out_of_ssa): Same.
2344         (rewrite_cross_bb_scalar_deps): Same.
2345         (translate_scalar_reduction_to_array): Same.
2346
2347 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2350         dump_alias_graphs.
2351
2352 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2355         (build_scop_drs): Call dump_alias_graphs.
2356
2357 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2360         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2361         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2362         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2363         * graphite-poly.h (free_lst): New.
2364         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2365         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2366
2367 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2368
2369         * graphite-poly.h (struct scop): Add a field saved_schedule.
2370         (SCOP_SAVED_SCHEDULE): New.
2371         (store_lst_schedule): New.
2372         (restore_lst_schedule): New.
2373         (store_scattering): Call store_lst_schedule.
2374         (restore_scattering): Call restore_lst_schedule.
2375
2376 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2377
2378         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2379         (pdr_add_alias_set): Same.
2380         (build_poly_dr): Same.
2381         (build_alias_set_optimal_p): Same.
2382         (build_base_obj_set_for_drs): Same.  Do not store the result of
2383         graphds_dfs.
2384
2385 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2386
2387         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2388         all_components_are_cliques to 1.
2389
2390 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2391
2392         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2393         the new structure.
2394         (pdr_add_alias_set): Update retrieving alias_set_num.
2395         (build_poly_dr): Update retrieving dr_base_object_set.
2396         (partition_drs_to_sets): Remove.
2397         (build_alias_set_optimal_p): New.
2398         (build_alias_set_for_drs): Rename.
2399         (build_scop_drs): Update.
2400         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2401         (ALIAS_SET_INDEX): Remove.
2402         (BASE_OBJECT_SET_INDEX): Remove.
2403
2404 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2405
2406         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2407
2408 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2411         loop upper bounds for 1-element arrays at end of structures.
2412         * tree-flow.h (array_at_struct_end_p): Declared.
2413         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2414
2415 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2416
2417         * g++.dg/graphite/pr41305.C: New.
2418
2419 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2420
2421         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2422         construction of parameter constraints from loop iteration analysis.
2423         * gcc.dg/graphite/run-id-2.c: New test.
2424
2425 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2428         and new_cstr.
2429
2430 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * graphite-dependences.c (dependence_polyhedron_1): Remove
2433         unused gdim dimensions from the DDR polyhedron.
2434
2435 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2436
2437         * graphite-dependences.c (pddr_transformed_scattering): New.
2438         (dot_original_deps_stmt_1): New.
2439         (dot_transformed_deps_stmt_1): New.
2440         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2441         dot_transformed_deps_stmt_1.
2442         (dot_original_deps): New.
2443         (dot_transformed_deps): New.
2444         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2445
2446 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         * graphite-dependences.c (reduction_dr_1): Remove wrong
2449         assert: reduction BBs can have multiple reduction writes
2450         to memory.  interchange-3.f90 is an example.
2451
2452 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2453
2454         * gfortran.dg/graphite/interchange-3.f90: New.
2455
2456 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2459
2460 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite-dependences.c (dependence_polyhedron_1): Add the
2463         context to the dependence polyhedron.
2464
2465 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2468         PBB_PDR_DUPLICATES_REMOVED.
2469         (new_poly_bb): Same.
2470
2471 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2474         SCOP_CONTEXT.
2475         (build_loop_iteration_domains): Extract bounds on parameters
2476         based on the data size.
2477         (build_scop_context): Do not initialize SCOP_CONTEXT;
2478         add new constraints.
2479
2480 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2483         * graphite-ppl.h (graphite-ppl.h): Declared.
2484
2485 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * graphite-ppl.c (ppl_print_linear_expr): New.
2488         (debug_ppl_linear_expr): New.
2489         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2490         (debug_ppl_linear_expr): Declared.
2491
2492 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2493
2494         * graphite-interchange.c: Fix comments.
2495         * gcc.dg/graphite/block-1.c: Fix comments.
2496
2497 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2500         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2501
2502 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2503
2504         Reapply the patch from Alexander Monakov that disappeared during
2505         the last merges from trunk.
2506
2507         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2508
2509         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2510         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2511
2512 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2513
2514         * graphite-interchange.c (memory_stride_in_loop): The depth
2515         argument corresponds to a dynamic time dimension, so use
2516         psct_dynamic_dim to refer to the transformed scattering dimension.
2517
2518 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2519
2520         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2521
2522 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2523
2524         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2525         root of the LST.
2526         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2527         the root of the LST.
2528         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2529         fake loop.
2530         (print_lst): Print the root of LST in a different format.
2531         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2532
2533 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2534
2535         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2536
2537 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2538
2539         * doc/passes.texi: Document the Graphite infrastructure.
2540
2541 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2542
2543         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2544         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2545         and check the SSA representation.
2546
2547         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2548
2549 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2550
2551         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2552
2553 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * gcc.dg/graphite/interchange-11.c: New.
2556
2557 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2558
2559         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2560
2561 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2564         Add -fno-loop-strip-mine and -fno-loop-interchange.
2565         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2566         -fno-loop-strip-mine.
2567         * gfortran.dg/graphite/graphite.exp: Same.
2568
2569 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2572         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2573         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2574         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2575         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2576         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2577         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2578         DEFAULT_FLAGS_GRAPHITE_SCOP.
2579         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2580         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2581
2582 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2583
2584         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2585
2586 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2587             Sebastian Pop  <sebastian.pop@amd.com>
2588
2589         * graphite-interchange.c (build_linearized_memory_access): Pass an
2590         offset as parameter.
2591         (memory_stride_in_loop): Include transform scattering in the
2592         access functions to be able to querry the strides in the
2593         transformed loops.
2594         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2595         not the psct_iterator_dim.
2596
2597 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2598
2599         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2600         (lst_do_strip_mine_loop): New.
2601         (lst_do_strip_mine): New.
2602         (scop_do_strip_mine): Call lst_do_strip_mine.
2603         * graphite-poly.h (lst_add_loop_under_loop): New.
2604         (lst_find_first_pbb): New.
2605
2606 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2607
2608         * graphite-poly.c (loop_to_lst): Fix LST creation.
2609
2610 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2611
2612         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2613         sizeof(unsigned long) to make it run on 32bit systems.
2614
2615 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2616
2617         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2618         SEGFAULT on 32bit.
2619
2620 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2621
2622         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2623         Comment.
2624         (write_alias_graph_to_ascii_dot): New.
2625         (write_alias_graph_to_ascii_ecc): Ditto.
2626         (partition_drs_to_sets): Add testing of optimality of current method
2627         which assigns alias numbers according to DFS Comopnent number.  used
2628         as heuristic for the upcoming ECC algorithm.
2629         (build_scop_drs): Write to file also with the ecc and dot format.
2630
2631 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2632
2633         * gfortran.dg/graphite/interchange-1.f: XFail.
2634
2635 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite.c (graphite_initialize): Do not handle functions with
2638         more than 100 basic blocks.
2639
2640 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2641
2642         * graphite-blocking.c (pbb_do_strip_mine): Use
2643         PARAM_LOOP_BLOCK_TILE_SIZE.
2644
2645 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-poly.c (dot_lst_1): New.
2648         (dot_lst): New.
2649         * graphite-poly.h (dot_lst): Declared.
2650
2651 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2652
2653         * graphite-dependences.c (dot_deps_stmt_1): New.
2654         (dot_deps_stmt): New.
2655         * graphite-dependences.h (dot_deps_stmt): Declared.
2656
2657 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2658
2659         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2660         not replace cross BB scalar dependences ending on PHI nodes.
2661         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2662
2663 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2664
2665         * graphite-poly.c (apply_poly_transforms): Implement the high
2666         level driver for flag_loop_block.
2667         * opts.c (decode_options): Enable flag_loop_block at -O2.
2668         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2669         flag_loop_block.
2670
2671         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2672         -floop-block.
2673         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2674         Add -floop-block.
2675
2676 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * graphite-poly.h (lst_find_pbb): New.
2679         (find_lst_loop): New.
2680
2681 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2682
2683         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2684         * graphite-poly.h (struct scop): Remove dep_graph field.
2685         (SCOP_DEP_GRAPH): Removed.
2686
2687 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * graphite-poly.h (copy_lst): Do full copy of LST.
2690
2691 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2692
2693         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2694         when the loop stride is zero.
2695
2696         * gcc.dg/graphite/id-16.c: New.
2697
2698 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2699
2700         * graphite-dependences.c (reduction_dr_1): New.
2701         (reduction_dr_p): New.
2702         (graphite_legal_transform_dr): Call reduction_dr_p.
2703         (reduction_ddr): Renamed reduction_ddr_p.
2704         * graphite-poly.h (same_pdr_p): New.
2705         (number_of_write_pdrs): New.
2706         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2707         (split_reduction_stmt): Do not split reduction statements
2708         when there are no writes to memory.
2709         (translate_scalar_reduction_to_array_for_stmt): Insert the
2710         memory reduction statement just after the scalar reduction statement.
2711
2712         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2713         Un-XFAIL-ed.
2714         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2715         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2716
2717 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2718
2719         * graphite-interchange.c (lst_apply_interchange): New.
2720         (lst_interchange_profitable_p): New.
2721         (lst_try_interchange_loops): New.
2722         (lst_try_interchange): New.
2723         (lst_do_interchange): New.
2724         (pbb_do_interchange): Removed.
2725         (scop_do_interchange): Call lst_do_interchange.
2726
2727 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2728
2729         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2730         SCOP_TRANSFORMED_SCHEDULE.
2731         (loop_to_lst): New.
2732         (scop_to_lst): New.
2733         (print_lst): New.
2734         (debug_lst): New.
2735         * graphite-poly.h (lst_p): New.
2736         (struct lst): New.
2737         (LST_LOOP_P): New.
2738         (LST_LOOP_FATHER): New.
2739         (LST_PBB): New.
2740         (LST_SEQ): New.
2741         (scop_to_lst): Declared.
2742         (print_lst): Declared.
2743         (debug_lst): Declared.
2744         (new_lst_loop): New.
2745         (new_lst_stmt): New.
2746         (copy_lst): New.
2747         (lst_depth): New.
2748         (lst_dewey_number): New.
2749         (struct scop): Add original_schedule and transformed_schedule fields.
2750         (SCOP_ORIGINAL_SCHEDULE): New.
2751         (SCOP_TRANSFORMED_SCHEDULE): New.
2752         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2753
2754 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2755
2756         * graphite-dependences.c (reduction_ddr): New.
2757         (graphite_legal_transform_bb): Call reduction_ddr.
2758         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2759         Initialize PBB_IS_REDUCTION.
2760         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2761         (PBB_IS_REDUCTION): New.
2762         (new_poly_bb): Update declaration.
2763         * graphite-scop-detection.h (build_scop_bbs): Removed.
2764         (nb_reductions_in_loop): Removed.
2765         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2766         parameter for reductions.
2767         (try_generate_gimple_bb): Update call to new_poly_bb.
2768         (build_scop_bbs_1): Same.
2769         (build_scop_bbs): Same.
2770         (gsi_for_phi_node): New.
2771         (scalar_close_phi_node_p): Remove gcc_assert.
2772         (split_reduction_stmt): New.
2773         (is_reduction_operation_p): New.
2774         (phi_contains_arg): New.
2775         (follow_ssa_with_commutative_ops): New.
2776         (detect_commutative_reduction_arg): New.
2777         (detect_commutative_reduction_assign): New.
2778         (follow_inital_value_to_phi): New.
2779         (edge_initial_value_for_loop_phi): New.
2780         (initial_value_for_loop_phi): New.
2781         (detect_commutative_reduction): New.
2782         (translate_scalar_reduction_to_array_for_stmt): New.
2783         (insert_copyout): New.
2784         (insert_copyin): New.
2785         (translate_scalar_reduction_to_array): New.
2786         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2787         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2788         (rewrite_commutative_reductions_out_of_ssa): New.
2789         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2790         * sese.h (split_region_for_bb): New.
2791
2792         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2793         * gcc.dg/graphite/interchange-1.c: Fix format.
2794         * gcc.dg/graphite/interchange-10.c: New.
2795
2796 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2797
2798         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2799         buggy assert.
2800
2801 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2802
2803         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2804         (rewrite_cross_bb_scalar_dependence): New.
2805         (rewrite_cross_bb_scalar_deps): New.
2806         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2807         Call rewrite_cross_bb_scalar_deps.
2808
2809 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2812         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2813         gsi_for_stmt.
2814
2815 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2818         * graphite-interchange.c (pbb_do_interchange): Same.
2819         * graphite-poly.c (print_scattering_function): Same.
2820         (debug_pdrs): Same.
2821         * graphite-poly.h (pbb_loop): New.
2822         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2823
2824 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2825
2826         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2827
2828 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2831         so don't pass a pointer to it.
2832         (build_alias_set_for_drs): Same.
2833         (build_base_obj_set_for_drs): Same.
2834         (build_scop_drs): Same.
2835
2836 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2837
2838         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2839         the alias graph of data references.
2840
2841 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2842
2843         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2844         (build_scop_drs): When debugging, write the alias graph to file,
2845         otherwise, should be disabled.
2846
2847 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2848
2849         * Merge from mainline (151310:151361).
2850
2851 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * Merge from mainline (151171:151310).
2854
2855 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * Merge from mainline (151171:151806).
2858
2859 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2860
2861         * Revert the last commit.
2862
2863 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2864
2865         * Merge from mainline (151171:151819).
2866
2867 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2868
2869         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2870         (is_simple_operand): Remove call to stmt_simple_memref_p.
2871         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2872
2873 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2874
2875         * gcc.dg/graphite/interchange-mvt.c: New File.
2876         * gcc.dg/graphite/scop-dsyrk.c: New File.
2877         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2878         * gcc.dg/graphite/scop-mvt.c: New File.
2879         * gcc.dg/graphite/scop-sor.c: New File.
2880
2881 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2882
2883         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2884         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2885         (graphite_carried_dependence_level_k): Ditto.
2886         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2887         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2888         (new_poly_dr): Adjust declaration.
2889         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2890         (free_gimple_bb): Added free_data_refs_aux.
2891         (build_poly_dr): Add dr_base_object_set.
2892         (partition_drs_to_sets): New.
2893         (dr_same_base_object_p): New.
2894         (build_alias_set_for_drs): New.
2895         (build_base_object_set_for_drs): New.
2896         (build_scop_drs): Add build_base_obj_set_for_drs.
2897         * graphite-sese-to-poly.h: Added #define for alias set number index and
2898         base object set index.
2899         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2900         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2901
2902 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2903
2904         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2905         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2906
2907 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2908
2909         * graphite-sese-to-poly.c (struct irp_data): Removed.
2910         (idx_record_params): Removed.
2911         (find_params_in_bb): Scan for parameters the access functions; don't
2912         parse the tree representation.
2913
2914 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2915
2916         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2917         passes at -O1 and below.
2918
2919 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2920
2921         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2922         tree-scalar-evolution.h, and then tree-data-ref.h.
2923         * graphite-clast-to-gimple.c: Same.
2924         * graphite-dependences.c: Same.
2925         * graphite-interchange.c: Same.
2926         * graphite-poly.c: Same.
2927         * graphite-scop-detection.c: Same.
2928         * graphite-sese-to-poly.c: Same.
2929         * graphite.c: Same.
2930         * lambda-code.c: Same.
2931         * matrix-reorg.c: Same.
2932         * tree-data-ref.c: Same.
2933         * tree-if-conv.c: Same.
2934         * tree-loop-distribu: Same.: Same.
2935         * tree-loop-linear.c: Same.
2936         * tree-parloops.c: Same.
2937         * tree-predcom.c: Same.
2938         * tree-vect-patterns.c: Same.
2939
2940 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2941
2942         Partially revert the previous patch, except the following.
2943         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2944         as parameters the operands of the not expression.
2945
2946 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2947
2948         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2949         Do not call analyze_scalar_evolution on assignments.
2950         (instantiate_scev_phi): Call analyze_scalar_evolution.
2951         (instantiate_scev_name): Call instantiate_scev_assign and
2952         instantiate_scev_phi.
2953         (instantiate_scev_not): Adapted to pass as parameters the operands
2954         of the not expression.
2955
2956 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2957
2958         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2959         to pass as parameters the operands of the binary expression.
2960
2961 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2964         instantiate_scev_not.  Handle NEGATE_EXPR.
2965         (instantiate_scev_r): Handle NEGATE_EXPR.
2966
2967 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2968
2969         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2970         instantiate_scev_r.
2971         (instantiate_scev_r): Move code in instantiate_scev_2
2972         and instantiate_scev_1.
2973
2974 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2975
2976         * tree-scalar-evolution.c (instantiate_scev_3): New.
2977         (instantiate_scev_1): Move code in instantiate_scev_3.
2978
2979 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2982         (instantiate_scev_1): Move code in instantiate_scev_poly.
2983
2984 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2987         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2988
2989 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2992         (instantiate_scev_1): Move code in instantiate_scev_convert.
2993
2994 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2995
2996         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2997         (instantiate_scev_1): Move code in instantiate_scev_binary.
2998
2999 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * tree-scalar-evolution.c (instantiate_scev_name): New.
3002         (instantiate_scev_1): Move code in instantiate_scev_name.
3003
3004 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3005
3006         * Merge from mainline (150992:151171).
3007
3008 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3009
3010         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3011
3012 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3013
3014         * graphite-dependences.c (graphite_legal_transform_bb): Call
3015         pbb_remove_duplicate_pdrs.
3016         * graphite-poly.c (can_collapse_pdr): Removed.
3017         (pdr_find_duplicate): Removed.
3018         (can_collapse_pdrs): New.
3019         (pbb_remove_duplicate_pdrs): New.
3020         (new_poly_dr): Do not look for duplicates.
3021         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3022         (PBB_PDR_DUPLICATES_REMOVED): New.
3023         (pbb_remove_duplicate_pdrs): Declared.
3024
3025 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3028         the strides by multiplying by PDR_NB_REFS.
3029         * graphite-poly.c (can_collapse_pdr): New.
3030         (pdr_find_duplicate): New.
3031         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3032         Initialize PDR_NB_REFS.
3033         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3034         (PDR_NB_REFS): New.
3035         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3036
3037 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3038
3039         Revert one of the previous commits:
3040         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3041         the computation of symmetric data dependence relations.
3042         (dependency_between_pbbs_p): Same.
3043
3044 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3045
3046         PR middle-end/40965
3047         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3048         any transform.
3049
3050 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3051
3052         * graphite-dependences.c (pddr_original_scattering): Return NULL
3053         for read-read dependence relations.
3054         * graphite-poly.h (enum poly_dr_type): Fix comment.
3055         (pdr_read_p): New.
3056         (pdr_write_p): New.
3057         (pdr_may_write_p): New.
3058
3059 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3060
3061         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3062         (struct poly_dr): Same.
3063         (new_poly_dr): Same.
3064         * graphite-poly.c (new_poly_dr): Same.
3065
3066 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3067             Sebastian Pop  <sebastian.pop@amd.com>
3068
3069         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3070         pbb_strip_mine_time_depth.  Changed the implementation so that
3071         transformation is expressed as a transformation on
3072         time (scatttering) dimensions.  Also, ensures that the 2d+1
3073         scheduling format is preserved.
3074         (pbb_strip_mine_profitable_p): Profitability is based on the
3075         iteration number of a given time (scattering) dimension,
3076         and not on a original loop depth dimension.
3077         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3078         (pbb_do_strip_mine): Call psct_dynamic_dim.
3079         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3080         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3081         (pbb_nb_dynamic_scattering_transform): New.
3082         (psct_dynamic_dim): New.
3083
3084 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3085
3086         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3087         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3088         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3089         * graphite-interchange.c (build_linearized_memory_access): Same.
3090         (memory_stride_in_loop): Same.
3091
3092 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3093
3094         * graphite-dependences.c (pddr_original_scattering): New.
3095         (graphite_legal_transform_dr): Call pddr_original_scattering.
3096         (dot_deps_1): New.
3097         (dot_deps): New.
3098         * graphite-dependences.h (dot_deps): Declared.
3099         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3100         (print_pdr): Print PDR_ID.
3101         * graphite-poly.h (struct poly_dr): Add field id.
3102         (PDR_ID): New.
3103         (pbb_index): New.
3104         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3105
3106 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3107
3108         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3109         not delete the original dependence relation.
3110
3111 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3114         the computation of symmetric data dependence relations.
3115         (dependency_between_pbbs_p): Same.
3116
3117 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3120         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3121         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3122         (free_poly_ddr): New.
3123         (pddr_is_empty): New.
3124         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3125         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3126         Remove fprintfs.
3127         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3128         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3129         * graphite-dependences.h (enum poly_dependence_kind): New.
3130         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3131         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3132         (PDRP_SINK): Renamed PDDR_SINK.
3133         (PDRP_DDP): Renamed PDDR_DDP.
3134         (PDDR_KIND): New.
3135         (free_poly_ddr): Declared.
3136         * graphite-poly.c (new_scop): Use the new hash function names.
3137         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3138         into original_pddrs.
3139         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3140
3141 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3142
3143         * Merge from mainline (150764:150992).
3144
3145 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3148         bounds with LT_EXPR to make niter analysis more precise on code
3149         generated by Graphite.
3150
3151 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3154         (graphite_legal_transform_bb): Same.
3155         (poly_drs_may_alias_p): Same.
3156
3157 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3158
3159         PR middle-end/40981
3160         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3161         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3162
3163 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * graphite-poly.c (print_pbb): Print PBB index.
3166
3167 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3168
3169         * Merge from mainline (r150672:150764).
3170
3171 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3172
3173         * graphite-interchange.c (ppl_max_for_le): Moved...
3174         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3175         * graphite-ppl.c (ppl_max_for_le): ... here.
3176         * graphite-ppl.h (ppl_max_for_le): Declared.
3177
3178 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         * Merge from mainline (r150372:150672).
3181
3182 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         PR middle-end/40980
3185         * sese.c (convert_for_phi_arg): New.
3186         (add_guard_exit_phis): Use convert_for_phi_arg.
3187
3188         * gfortran.dg/graphite/id-17.f: New.
3189
3190 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3193         unknown subscript upper bounds.
3194
3195         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3196
3197 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3198             Pranav Garg  <pranav.garg2107@gmail.com>
3199
3200         * graphite-interchange.c (gather_access_strides): Removed.
3201         (ppl_max_for_le): New.
3202         (build_linearized_memory_access): New.
3203         (memory_stride_in_loop): New.
3204         (pbb_interchange_profitable_p): Reimplemented.
3205         * graphite-ppl.h (ppl_new_id_map): New.
3206         (ppl_interchange): New.
3207
3208         * gcc.dg/graphite/interchange-6.c: XFAILed.
3209
3210 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3211
3212         * graphite-interchange.c (compute_subscript): Removed.
3213         (compute_array_size_cstr): Removed.
3214         (compute_array_size_poly): Removed.
3215         (compute_array_size): Removed.
3216         (gather_access_strides_poly): Removed.
3217         (gather_access_strides): Empty.
3218
3219 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * graphite-dependences.c (dependence_polyhedron_1): Replace
3222         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3223         (graphite_legal_transform_dr): Same.
3224         (graphite_carried_dependence_level_k): Same.
3225         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3226         Initialize PDR_NB_SUBSCRIPTS.
3227         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3228         PDR_NB_SUBSCRIPTS.
3229         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3230         (PDR_NB_SUBSCRIPTS): New.
3231         (pdr_nb_subscripts): Removed.
3232         (pdr_dim): Simplified.
3233         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3234         with PDR_NB_SUBSCRIPTS.
3235
3236 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         * graphite-interchange.c (compute_array_size): Remove use of
3239         PDR_DATA_CONTAINER.
3240         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3241         Do not initialize PDR_DATA_CONTAINER.
3242         (print_pdr): Do not print PDR_DATA_CONTAINER.
3243         * graphite-poly.h (struct poly_dr): Remove data_container field.
3244         (PDR_DATA_CONTAINER): Removed.
3245         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3246         PDR_DATA_CONTAINER.
3247         (build_poly_dr): Same.
3248
3249 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * gcc.dg/graphite/interchange-9.c: New.
3252
3253 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3254             Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3257         copy of the dependence polyhedron.  Free the temporary objects.
3258         (graphite_carried_dependence_level_k): Free unused objects before
3259         returning.
3260
3261         * gcc.dg/graphite/interchange-1.c: XFAILed.
3262         * gcc.dg/graphite/interchange-2.c: XFAILed.
3263         * gcc.dg/graphite/interchange-3.c: XFAILed.
3264         * gcc.dg/graphite/interchange-4.c: XFAILed.
3265         * gcc.dg/graphite/interchange-7.c: XFAILed.
3266
3267 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3270         Early return without analyzing the data dependences if no
3271         transform has been done.  Call restore_scattering if the transform
3272         is not legal.
3273         (graphite-interchange.c): Same.
3274         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3275         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3276         (apply_poly_transforms): Do not gcc_assert that
3277         the transform is legal.
3278         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3279         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3280         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3281         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3282         * graphite-poly.h (struct poly_scattering): New.
3283         (struct poly_bb): Add original, transformed, and saved fields.
3284         Remove transformed_scattering, original_scattering, nb_local_variables,
3285         and nb_scattering_transform fields.
3286         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3287         (poly_scattering_new): New.
3288         (poly_scattering_free): New.
3289         (poly_scattering_copy): New.
3290         (store_scattering_pbb): New.
3291         (store_scattering): New.
3292         (restore_scattering_pbb): New.
3293         (restore_scattering): New.
3294         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3295         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3296
3297 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3300         (print_scop): Same.
3301
3302 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3303
3304         * Makefile.in (graphite.o): Depends on PREDICT_H.
3305         * graphite.c: Include predict.h.
3306         (graphite_finalize): Call tree_estimate_probability.
3307         * predict.c (predict_loops): Do not call scev_initialize and
3308         scev_finalize.
3309         (tree_estimate_probability_bb): New.
3310         (tree_estimate_probability): Do not initialize loops: move that
3311         code to the driver.  Call tree_estimate_probability_bb.
3312         (tree_estimate_probability_driver): New.
3313         (pass_profile): Use tree_estimate_probability_driver.
3314         * predict.h (tree_estimate_probability): Declared.
3315
3316 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3319         * graphite-dependences.c (graphite_legal_transform): Add time to
3320         TV_GRAPHITE_DATA_DEPS.
3321         (dependency_between_pbbs_p): Same.
3322         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3323
3324 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3325
3326         * Merge from mainline (r149952:150372).
3327
3328 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3329
3330         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3331         * graphite-blocking.c: Same.
3332         * graphite-clast-to-gimple.c: Same.
3333         * graphite-dependences.c: Same.
3334         * graphite-poly.c: Same.
3335         * graphite-poly.h: Same.
3336         * graphite-ppl.c: Same.
3337         * graphite-scop-detection.c: Same.
3338         * graphite-sese-to-poly.c: Same.
3339         * graphite.c: Same.
3340
3341 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3344         (remove_simple_copy_phi): New.
3345         (remove_invariant_phi): New.
3346         (simple_copy_phi_p): New.
3347         (reduction_phi_p): New.
3348         (gsi_for_ssa_name_def): New.
3349         (insert_out_of_ssa_copy): New.
3350         (insert_out_of_ssa_copy_on_edge): New.
3351         (create_zero_dim_array): New.
3352         (scalar_close_phi_node_p): New.
3353         (rewrite_close_phi_out_of_ssa): New.
3354         (rewrite_phi_out_of_ssa): New.
3355         (rewrite_reductions_out_of_ssa): New.
3356         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3357
3358         * gcc.dg/graphite/id-11.c: New.
3359         * gcc.dg/graphite/id-15.c: New.
3360         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3361         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3362         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3363         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3364         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3365         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3366         * gfortran.dg/graphite/id-13.f: New.
3367         * gfortran.dg/graphite/id-5.f: New.
3368
3369 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3370
3371         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3372         check that nb_reductions_in_loop is zero.
3373         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3374         reduction phi nodes.
3375         (nb_reductions_in_loop): Removed.
3376         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3377         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3378         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3379         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3380         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3381
3382 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3383
3384         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3385         statements that have an empty iteration domain.
3386         * gfortran.dg/graphite/id-16.f: New.
3387
3388 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3389
3390         * tree-scalar-evolution.c (instantiate_scev_1): Return
3391         chrec_dont_know when the result is not above instantiate_below.
3392         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3393         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3394         the tree has a known scalar evolution.
3395         * gfortran.dg/graphite/id-14.f: New.
3396         * gfortran.dg/graphite/id-15.f: New.
3397
3398 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3399
3400         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3401         insert_gsi.
3402         (rename_variables): Keep inserting renames after the ones already
3403         inserted.
3404
3405 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * graphite-sese-to-poly.c (compare_bb_depths): New.
3408         (graphite_sort_dominated_info): New.
3409         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3410         (build_scop_scattering): Fix comment.
3411
3412 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3413
3414         * graphite.c (graphite_finalize): Call print_loops instead of
3415         dump_function_to_file.
3416         * gcc.dg/graphite/graphite.exp: Fix formatting.
3417         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3418         loops generated in the graphite output file.
3419         * gcc.dg/graphite/pr35356-2.c: New.
3420         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3421         * gfortran.dg/graphite/id-12.f: New.
3422
3423 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3424
3425         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3426         Remove 2 XFAIL.
3427
3428 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3429             Tobias Grosser  <grosser@fim.uni-passau.de>
3430
3431         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3432         alias set number build alias in ACCESSES polyhedron.
3433         (build_alias_set_for_drs): New.
3434         (build_pbb_drs): Added build_alias_set_for_drs.
3435         * graphite-dependences.c (poly_drs_may_alias_p): New.
3436         (graphite_carried_dependence_level_k): Check alias information
3437         before building polyhedron.
3438
3439 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3440
3441         * Makefile.in (lambda-code.o): Fix formatting.
3442
3443 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3444
3445         * Merge from mainline (r149350-149952)
3446
3447 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3448
3449         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3450         before interchange to prepare for loop blocking.
3451
3452 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3453
3454         * graphite-poly.c (apply_poly_transforms): Add checks after every
3455         transformation.
3456         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3457         done in apply_poly_transforms.
3458
3459 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3460
3461         * graphite-dependences.c (build_lexicographically_gt_constraint):
3462         Replace RES parameter with *RES.
3463         (dependence_polyhedron_1): Pass an address of the parameter RES
3464         instead of value of RES.
3465
3466 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3467
3468         * graphite.c (graphite_finalize): Fix comment.
3469         (graphite_transform_loops): Reset scev info after code generation
3470         of each scop.
3471
3472 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3473
3474         * graphite.c (graphite_finalize): Call scev_reset.
3475
3476 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3477
3478         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3479         GBB_CLOOG_IV_TYPES hash table twice.
3480         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3481         (add_condition_to_domain): Clear GMP values.
3482
3483 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         * graphite-dependences.c: Fix formatting.
3486         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3487         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3488         * graphite-sese-to-poly.c: Fix formatting.
3489         * graphite.c (graphite_transform_loops): Create the hash table
3490         after the early return.
3491
3492 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3493
3494         * gcc.dg/graphite/id-14.c: New.
3495         * gcc.dg/graphite/pr40157.c: New.
3496         * gfortran.dg/graphite/id-11.f: New.
3497
3498 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3499
3500         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3501         (build_poly_scop): Return false when there are no pbbs within
3502         loops to avoid to pass to cloog scops with no loops.
3503
3504 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3505
3506         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3507         useless test "i % 2".
3508         (build_pbb_scattering_polyhedrons): Fix formatting.
3509         (build_poly_dr): Same.
3510         * graphite.c (graphite_transform_loops): Restructure.
3511
3512 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3513
3514         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3515         reduction_list parameter.
3516         (rewrite_all_phi_nodes_with_iv): Same.
3517         (canonicalize_loop_ivs): Same.
3518         * tree-parloops.c (struct brli): Removed.
3519         (build_reduction_list_info): Removed.
3520         (build_new_reduction): New.
3521         (analyze_reduction_list): Removed.
3522         (gather_scalar_reductions): Find reductions instead of phi
3523         nodes that can't be canonicalized.
3524         (try_create_reduction_list): Remove reduction_list parameter.
3525         (gen_parallel_loop): Same.
3526         (parallelize_loops): Remove analyze_reductions variable,
3527         initialization and free.
3528         Change reduction_list htab initialization to reduction_info
3529         elements instead of ssa names.
3530         Call try_create_reduction_list and gen_parallel_loop without
3531         analyzed_reduction argument.
3532         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3533         canonicalize_loop_ivs with one less argument.
3534         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3535
3536 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3537
3538         * graphite-dependences.c (new_poly_dr_pair): New.
3539         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3540         (new_poly_dr_pair): New.
3541         (eq_poly_dr_pair_p): New.
3542         (hash_poly_dr_pair_p): New.
3543         * graphite-dependences.h (struct poly_dr_pair): New.
3544         (eq_poly_dr_pair_p): Declared.
3545         (hash_poly_dr_pair_p): Declared.
3546         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3547         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3548         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3549         * Makefile.in (graphite-poly.o): Add dependence on
3550         graphite-dependences.h.
3551
3552 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3553
3554         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3555         polynomials of degree > 1 pass to Graphite.
3556         * tree-chrec.c (scev_is_linear_expression): Call
3557         evolution_function_is_affine_multivariate_p.
3558         * gfortran.dg/graphite/id-10.f90: New.
3559
3560 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3561
3562         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3563         Instantiate scevs varying in outer loops.
3564         * gfortran.dg/graphite/id-9.f: Correct testcase.
3565
3566 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3567
3568         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3569         redundant constraint.
3570
3571 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3572
3573         * gcc.dg/graphite/graphite.exp: Fix comments.
3574         * gfortran.dg/graphite/graphite.exp: Trigger actions
3575         based on the file names as in the C testsuite.
3576         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3577         * gfortran.dg/graphite/block-2.f: Same.
3578         * gfortran.dg/graphite/block-3.f90: Same.
3579         * gfortran.dg/graphite/block-4.f90: Same.
3580         * gfortran.dg/graphite/id-1.f90: Same.
3581         * gfortran.dg/graphite/id-2.f90: Same.
3582         * gfortran.dg/graphite/id-3.f90: Same.
3583         * gfortran.dg/graphite/id-4.f90: Same.
3584         * gfortran.dg/graphite/id-6.f: Same.
3585         * gfortran.dg/graphite/id-9.f: Same.
3586         * gfortran.dg/graphite/interchange-1.f: Same.
3587         * gfortran.dg/graphite/interchange-2.f: Same.
3588         * gfortran.dg/graphite/scop-1.f: Same.
3589
3590 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3591
3592         * sese.c (expand_scalar_variables_call): New.
3593         (expand_scalar_variables_ssa_name): Handle calls in expander.
3594
3595 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3598         Expect to see the pattern twice.
3599         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3600         * gcc.dg/graphite/interchange-5.c: Same.
3601         * gcc.dg/graphite/interchange-6.c: Same.
3602
3603 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3604
3605         * gcc.dg/graphite/id-10.c: New.
3606         * gcc.dg/graphite/id-12.c: New.
3607         * gfortran.dg/graphite/id-7.f: New.
3608         * gfortran.dg/graphite/id-8.f: New.
3609
3610 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3611
3612         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3613         zero.
3614
3615 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3616
3617         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3618
3619 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3620
3621         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3622
3623 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3624
3625         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3626         building PDR subscripts.
3627
3628 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3629
3630         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3631         computation of array sizes.
3632
3633 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3634
3635         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3636
3637 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3638
3639         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3640         build_pairwise_constraint, dr_equality_constraints,
3641         build_pairwise_scheduling_equality,
3642         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3643         build_lexicographically_gt_constraint, dependence_polyhedron,
3644         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3645         Move from NNC_Polyhedron to C_Polyhedron.
3646         * graphite-interchange.c (compute_array_size_poly,
3647         gather_access_strides): Dito.
3648         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3649         free_scop, pbb_number_of_iterations): Dito.
3650         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3651         pbb_dim_iter_domain, struct scop): Dito.
3652         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3653         new_Cloog_Domain_from_ppl_Polyhedron,
3654         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3655         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3656         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3657         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3658         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3659         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3660         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3661         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3662         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3663         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3664         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3665         build_scop_iteration_domain, build_poly_dr): Dito
3666
3667 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3668
3669         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3670         run-id-*.c files.
3671         * gcc.dg/graphite/run-id-1.c: New.
3672
3673 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3674
3675         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3676         positivity constraint on the symbolic number of iterations.
3677
3678 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3679
3680         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3681
3682 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3683             Tobias Grosser  <grosser@fim.uni-passau.de>
3684
3685         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3686         (build_cloog_prog): Directly use SCOP_CONTEXT.
3687         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3688         (free_scop): Free SCOP_CONTEXT.
3689         (print_scop_context): New.
3690         (print_scop): Call print_scop_context.
3691         (debug_scop_context): New.
3692         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3693         (struct scop): Added field context.
3694         (SCOP_CONTEXT): New.
3695         * graphite-sese-to-poly.c (add_param_constraints): New.
3696         (build_scop_context): New.
3697         (build_poly_scop): Call build_scop_context.
3698
3699 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3700
3701         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3702         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3703         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3704         * graphite-ppl.h: Include double-int.h and tree.h.
3705         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3706         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3707         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3708         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3709
3710 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3711
3712         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3713         POINTER_PLUS_EXPR for pointer types.
3714         (clast_to_gcc_expression): Same.
3715
3716 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3717
3718         * graphite-poly.c (print_scattering_function): Early return when
3719         PBB_TRANSFORMED_SCATTERING is not initialized.
3720         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3721
3722 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3723
3724         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3725         to fix bootstrap.
3726
3727 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3728
3729         * tree-parloops.c (analyze_reduction_list): Change return
3730         value to void.
3731         (try_create_reduction_list): Move the call to
3732         analyze_reduction_list to the beginining.
3733         Call reduction_phi with analyzed_reductions as argument
3734         instead of reduction_list.
3735
3736 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3737
3738         *  Merge from mainline (r148296:149346)
3739
3740 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3741
3742         * graphite-scop-detection.c (graphite_can_represent_init): New.
3743         (graphite_can_represent_scev): Call graphite_can_represent_init:
3744         check that the initial value does not contain multiplications of
3745         parameters.
3746         (stmt_has_simple_data_refs_p): New.
3747         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3748         (is_simple_operand): Fix formatting.
3749         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3750
3751 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3752
3753         * gcc.dg/graphite/id-13.c: New.
3754         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3755         analyze_scalar_evolution, use scalar_evolution_in_region.
3756         (scan_tree_for_params_right_scev): Add extra assert.
3757         (parameter_index_in_region_1): Split from parameter_index_in_region.
3758         (idx_record_params): Use scalar_evolution_in_region.
3759         (find_params_in_bb): Same.
3760         (find_scop_parameters): Same.
3761         (build_loop_iteration_domains): Same.
3762         (create_linear_expr_from_tree): Same.
3763         * sese.c (scalar_evolution_in_region): New.
3764         * sese.h (scalar_evolution_in_region): Declared.
3765         (defined_in_sese_p): New.
3766         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3767         static anymore.
3768         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3769         Declared.
3770
3771 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3774         TREE_DATA_REF_H also implies SCEV_H.
3775
3776 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * graphite-poly.c (print_scop_params): New.
3779         (print_scop): Call print_scop_params.
3780         (debug_scop_params): New.
3781         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3782
3783 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3784
3785         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3786         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3787         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3788         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3789         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3790         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3791
3792 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3793
3794         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3795         for dependency checking part.
3796         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3797         tests for dependency checking.
3798         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3799         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3800         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3801         flag -fdump-tree-graphite-all for autopar testsuites.
3802
3803 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3804
3805         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3806         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3807         canonicalize_loop_ivs): Moved...
3808         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3809
3810 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3811
3812         * tree-parloops.c (try_create_reduction_list): Pass an extra
3813         argument analyzed_reductions.  Call analyze_reduction_list.
3814         (gen_parallel_loop): Do not call analyze_reduction_list.
3815         (parallelize_loops): Init and finalize analyzed_reductions.
3816
3817 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3818
3819         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3820         Added flag -fno-loop-strip-mine for autopar testcase.
3821
3822 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3823
3824         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3825         transformed scattering dimension instead of unmatch orignal when
3826         calling dependence_polyhedron.
3827
3828 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3831
3832 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3835         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3836
3837 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3840         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3841         * graphite-poly.c (pbb_number_of_iterations): New.
3842         * graphite-poly.h (pbb_number_of_iterations): Declared.
3843         (pbb_iterator_dim, pbb_parameter_dim): New.
3844
3845 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3846
3847         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3848         last commit on type of lower and upper bound of loops.
3849
3850 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3851
3852         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3853         graphite-dependences.h.
3854         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3855         (mark_bb_with_pbb): New.
3856         (get_stmtfor_depth): New.
3857         (find_pbb_via_hash): New.
3858         (dependency_in_loop_p): New.
3859         (mark_loops_parallel): New.
3860         (free_aux_in_new_loops): New.
3861         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3862         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3863         innermost loop parallel without checking.
3864         (gloog): Add parameter BB_PBB_MAPPING.
3865         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3866         (gloog): Change declaration.
3867         (mark_loop_parallel): Make extern.
3868         (free_aux_in_new_loops): Declare.
3869         (bb_pbb_map_hash): New.
3870         (eq_bb_pbb_map): New.
3871         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3872         auto parallelization when flag_graphite_force_parallel is set.
3873         (graphite_finalize): Added free_aux_in_new_loops.
3874         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3875         the innermost loop that marked parallel.  Use
3876         flag_graphite_force_parallel instead of loop->can_be_parallel.
3877         (loop_parallel_p): Move inner most checking out of function.
3878
3879 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3880
3881         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3882         type of lower and upper bound of loops signed long int.
3883
3884 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3885
3886         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3887         expression outside the loop.
3888
3889 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * gcc.dg/graphite/interchange-8.c: New.
3892
3893 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         * gcc.dg/graphite/interchange-0.c: XFailed.
3896         * gcc.dg/graphite/interchange-5.c: XFailed.
3897         * gcc.dg/graphite/interchange-6.c: XFailed.
3898
3899 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * graphite-interchange.c (compute_array_size_poly): The end of the
3902         recursion should return 1.
3903
3904 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite-interchange.c (compute_array_size_cstr): Allow the
3907         subscript multiplier to be -1.
3908         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3909         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3910         data_container.  Initializes PDR_DATA_CONTAINER.
3911         (print_pdr_access_layout): New.
3912         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3913         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3914         data_container.
3915         (PDR_DATA_CONTAINER): New.
3916         (new_poly_dr): Update declaration.
3917         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3918         (build_poly_dr): Call pdr_add_data_dimensions.
3919
3920 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3921
3922         * graphite-poly.h (struct poly_dr): Fix comment.
3923         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3924         (pdr_add_memory_accesses): New.
3925         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3926
3927 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3928
3929         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3930         (print_pbb): Add call to print_pdrs.
3931         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3932
3933 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3934             Li Feng <nemokingdom@gmail.com>
3935
3936         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3937         (dependency_between_pbbs_p): New.
3938         (lexicographically_gt_p): Assure !empty_p before polyhedron
3939         intersection assign.
3940         (build_lexicographically_gt_constraint): Correct lexicographically
3941         judging.
3942         * graphite-dependences.h: New.
3943         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3944
3945 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3948         (gloog): Print to dump_file the generated clast.
3949         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3950         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3951
3952 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3953
3954         * graphite-poly.c (extend_scattering): Increment
3955         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3956
3957 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3958
3959         * graphite-interchange.c (compute_array_size_poly): Added exit of
3960         recursion condition.  Continue iterating even after the first equality.
3961         (compute_array_size): Same.
3962
3963 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3964
3965         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3966         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3967         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3968         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3969         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3970
3971 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3972
3973         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3974         only when the use verifies is_gimple_reg.
3975
3976 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3979         Allocate scaldims after call to unify_scattering_dimensions.
3980
3981 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3984
3985 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3986             Albert Cohen  <albert.cohen@inria.fr>
3987
3988         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3989         variables for the strip mining.
3990
3991 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3992             Pranav Garg  <pranav.garg2107@gmail.com>
3993
3994         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3995         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3996         (graphite-blocking.o): New rule.
3997         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3998         * graphite-blocking.c: New.
3999         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4000         flag_loop_strip_mine.
4001         (psct_scattering_dim_for_loop_depth): New.
4002         * graphite-poly.h (scop_do_strip_mine): Declared.
4003         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4004         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4005         flag_loop_strip_mine.
4006
4007 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4008
4009         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4010         a GMP value and a PPL coefficient at each iteration of a loop.
4011
4012 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4013
4014         * graphite-dependences.c (dependence_polyhedron): Do not use
4015         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4016         pbb_nb_scattering_transform.
4017         (graphite_legal_transform_dr): Same.
4018         * graphite-poly.c (extend_scattering): Same.
4019         (unify_scattering_dimensions): Same.
4020         (print_scattering_function): Same.
4021         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4022         PBB_NB_LOCAL_VARIABLES.
4023         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4024         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4025         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4026         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4027         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4028         (pbb_nb_scattering_transform): New.
4029         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4030         (psco_scattering_dim): Add assert on parameters.
4031         (psct_scattering_dim): Same.
4032         (psct_scattering_dim_for_loop_depth): Declared.
4033         (psct_local_var_dim): New.
4034         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4035         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4036         correct layout, call pbb_nb_local_vars.
4037         (psct_add_local_variable, psct_add_scattering_dimension): New.
4038         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4039         Initialize PBB_NB_SCATTERING_TRANSFORM.
4040
4041 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4042
4043         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4044         (set_coef): Renamed ppl_set_coef.
4045         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4046
4047 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4048
4049         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4050         test a boolean against 1.
4051         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4052         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4053         (pbb_do_interchange): Returns true when a transform has been performed.
4054         (scop_do_interchange): Same.
4055         * graphite-poly.c (apply_poly_transforms): Use the return value of
4056         scop_do_interchange.
4057         * graphite-poly.h (scop_do_interchange): Update declaration.
4058
4059 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4060
4061         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4062         after last use.
4063         * sese.c (sese_reset_aux_in_loops): New.
4064         * sese.h (sese_reset_aux_in_loops): New.
4065
4066 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4067
4068         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4069         multiplier and multiply the constant by the multiplier.
4070         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4071         (build_poly_dr): Do not use the multiplier to define the subscript.
4072
4073 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4074
4075         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4076         compiler's data reference.  Initialize PDR_CDR.
4077         (print_pdr): Call dump_data_reference.
4078         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4079         Add compiler_dr field.
4080         (PDR_BB): Renamed PDR_PBB.
4081         (PDR_CDR): New.
4082         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4083         GCC's data reference representation.
4084         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4085         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4086
4087 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4088
4089         * graphite-poly.c (print_scattering_function): Also print the layout.
4090         * graphite-poly.h (pbb_nb_local_vars): New.
4091
4092 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4093
4094         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4095
4096 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4097
4098         * graphite-poly.c (print_pdr, debug_pdr): New.
4099         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4100         (PDR_BASE): Removed.
4101
4102 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4103
4104         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4105         ltrans-{1..6,8}.c.
4106
4107 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4108
4109         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4110         subscript identification column.
4111         (pbb_do_interchange): Print to dump_file that some loops "will be
4112         interchanged".  Rely on that chain of characters in the testcases.
4113         * gcc.dg/graphite/interchange-0.c: New.
4114         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4115         interchange-*.c files and compile them with -floop-interchange.
4116
4117 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4118
4119         * graphite-interchange.c (interchange_profitable_p): Renamed
4120         pbb_interchange_profitable_p.
4121
4122 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4123             Harsha Jagasia  <harsha.jagasia@amd.com>
4124             Pranav Garg  <pranav.garg2107@gmail.com>
4125
4126         * graphite-interchange.c (interchange_profitable_p): Make static.
4127         (pbb_interchange_loop_depths, pbb_do_interchange,
4128         scop_do_interchange): New.
4129         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4130         for flag_loop_interchange.
4131         * graphite-poly.h (scop_do_interchange): Declared.
4132         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4133         flag_loop_interchange is used.
4134
4135 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4136
4137         * graphite-dependences.c (dependence_polyhedron): Update use of
4138         pbb_nb_scattering_dims.
4139         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4140         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4141         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4142         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4143
4144 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4145
4146         * graphite.c: Cleanup foo.
4147
4148 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4149
4150         * Merge from mainline (r143684:148293).
4151         * Disabled libpcp until it gets fixed.
4152
4153 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4154             Harsha Jagasia  <harsha.jagasia@amd.com>
4155
4156         * graphite-interchange.c: New.
4157         * Makefile.in (graphite-interchange.o): New.
4158         * graphite-poly.h (interchange_profitable_p): Declared.
4159         * graphite-ppl.h (value_max): New.
4160
4161 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4162
4163         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4164         * graphite-poly.h: Fix some comments.
4165         (pdr_dim): New.
4166         (pdr_scop): New.
4167
4168 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4169
4170         * graphite-poly.h
4171         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4172         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4173         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4174         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4175         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4176         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4177         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4178         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4179         * graphite-clast-to-gimple.c: Same.
4180         * graphite-dependences.c: Same.
4181         * graphite-poly.c: Same.
4182         * graphite-sese-to-poly.c: Same.
4183
4184 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4185
4186         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4187         expressions for an IV rename, as returned by clast_to_gcc_expression.
4188         (copy_renames): Rename new_name to expr.
4189         * sese.c (debug_rename_elt): Same.
4190         (get_rename): Same.
4191         (set_rename): Same.
4192         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4193         the information from the rename map.
4194         (rename_variables_in_stmt): Same.
4195         (add_loop_exit_phis): Rename new_name to expr.
4196         (insert_loop_close_phis): Same.
4197         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4198         * sese.h (struct rename_map_elt): Rename new_name to expr.
4199         (new_rename_map_elt): Same.
4200
4201 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4202
4203         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4204         * sese.c (set_rename): Make it extern.
4205         * sese.h (set_rename): Declared.
4206
4207 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4208
4209         * graphite-poly.c (extend_scattering): Free values.
4210         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4211         Free iterators.
4212         (ppl_print_powerset_matrix): Same.
4213         * graphite-scop-detection.c (free_scops_1): New.
4214         (limit_scops): Call free_scops_1.
4215         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4216         (build_poly_dr): Free PPL coefficients.
4217         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4218
4219 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4220
4221         * graphite-dependences.c: New.
4222         * graphite-data-ref.c: Removed.
4223         * graphite-data-ref.h: Removed.
4224         * Makefile.in (graphite-data-ref.o): Removed.
4225         (graphite-dependences.o): Added.
4226         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4227         * graphite-poly.c: Same.
4228         Move the data dependence testing to graphite-dependences.c.
4229
4230 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4231
4232         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4233         from graphite_cannot_represent_loop. Code refactored.
4234         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4235
4236 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4237
4238         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4239         Cover all the testcases (not only the filtered ones).
4240
4241 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4242
4243         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4244         unnecessary check. Update comments. Move check for REAL_TYPE here.
4245         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4246         done in (stmt_simple_for_scop_p).
4247
4248 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4249
4250         * graphite.c (print_global_statistics): New.
4251         (print_graphite_scop_statistic): New.
4252         (print_graphite_statistics): New.
4253         (graphite_initialize, graphite_transform_loops): Print statistics.
4254         * graphite-scop-detection (build_scops): Print statistics.
4255         (print_graphite_scop_statistics): New.
4256         (print_graphite_statistics): New.
4257
4258 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4259
4260         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4261         (debug_clast_name_index): Removed.
4262         (debug_clast_name_indexes_1): Removed.
4263         (debug_clast_name_indexes): Removed.
4264         (clast_name_index_elt_info): Removed.
4265         (eq_clast_name_indexes): Removed.
4266         (clast_name_to_index): Removed.
4267         (new_clast_name_index): Removed.
4268         (save_clast_name_index): Removed.
4269         (save_var_name): Moved...
4270         (init_sese_params_index): Removed.
4271         (clast_name_to_gcc): Remove use of name_tree.
4272         (initialize_cloog_names): Same.
4273         (gloog): Do not call init_sese_params_index.
4274         * graphite-sese-to-poly.c (save_var_name): ...here.
4275         (parameter_index_in_region): New.
4276         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4277         (parameter_index_in_region): Removed.
4278         (is_parameter): Remove use of name_tree.
4279         * sese.h (struct name_tree): Removed.
4280         (struct sese): Remove use of name_tree.  New field params_names.
4281         (SESE_PARAMS_NAMES): New.
4282         (SESE_PARAMS): Remove duplicate.
4283         (parameter_index_in_region): Removed.
4284         (sese_nb_params): Remove use of name_tree.
4285         (struct clast_name_index): New.
4286         (new_clast_name_index): New.
4287         (clast_name_to_index): New.
4288         (save_clast_name_index): New.
4289         (debug_clast_name_index): New.
4290         (debug_clast_name_indexes_1): New.
4291         (debug_clast_name_indexes): New.
4292         (clast_name_index_elt_info): New.
4293         (eq_clast_name_indexes): New.
4294
4295 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4296
4297         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4298         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4299         (graphite_loop_normal_form): Do not pass region.  Do not
4300         initialize SESE_OLDIVS.
4301         (build_graphite_loop_normal_form): Update call to
4302         graphite_loop_normal_form.
4303         * sese.c (debug_oldivs): Removed.
4304         (new_sese): Do not initialize SESE_OLDIVS.
4305         (free_sese): Do not free SESE_OLDIVS.
4306         (oldiv_for_loop): Removed.
4307         * sese.h (struct sese): Remove old_ivs.
4308         (SESE_OLDIVS): Removed.
4309         (oldiv_for_loop): Removed.
4310
4311 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4312
4313         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4314         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4315         replaced by a call to newivs_to_depth_to_newiv.
4316         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4317         (clast_to_gcc_expression_red): Same.
4318         (gcc_type_for_clast_expr): Same.
4319         (gcc_type_for_clast_eq): Same.
4320         (graphite_translate_clast_equation): Same.
4321         (graphite_create_guard_cond_expr): Same.
4322         (graphite_create_new_guard): Same.
4323         (graphite_create_new_loop): Same.
4324         (build_iv_mapping): Same.
4325         (translate_clast): Same.
4326         (gloog): Same.
4327         (loop_iv_stack_patch_for_consts): Removed.  *
4328         sese.c (iv_stack_entry_is_constant): Removed.
4329         (iv_stack_entry_is_iv): Removed.
4330         (loop_iv_stack_push_iv): Removed.
4331         (loop_iv_stack_insert_constant): Removed.
4332         (loop_iv_stack_pop): Removed.
4333         (loop_iv_stack_get_iv): Removed.
4334         (loop_iv_stack_get_iv_from_name): Removed.
4335         (debug_loop_iv_stack): Removed.
4336         (free_loop_iv_stack): Removed.
4337         (loop_iv_stack_remove_constants): Removed.  *
4338         sese.h (iv_stack_entry_kind): Removed.
4339         (iv_stack_entry_data_union): Removed.
4340         (iv_stack_entry_struct): Removed.
4341         (iv_stack_entry_p): Removed.
4342         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4343         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4344         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4345         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4346         (gbb_loop_at_index): Fix indenting.
4347         (gbb_loop_index): Removed.
4348
4349 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4350
4351         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4352         Call clast_name_to_index.
4353
4354 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4355
4356         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4357         do not pass params.  Get params from SESE_PARAMS.
4358         (clast_to_gcc_expression): Same.
4359         (clast_to_gcc_expression_red): Same.
4360         (gcc_type_for_clast_eq): Same.
4361         (graphite_translate_clast_equation): Same.
4362         (graphite_create_new_loop): Same.
4363         * sese.c (rename_variables_in_stmt): Fix comment.
4364
4365 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4366
4367         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4368         newivs_index.
4369         Call save_clast_name_index.
4370         (translate_clast): Pass newivs_index.
4371         (gloog): Create and free newivs_index.
4372
4373 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4374
4375         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4376         (clast_name_index_p): New type.
4377         (debug_clast_name_index): New.
4378         (debug_clast_name_indexes_1): New.
4379         (debug_clast_name_indexes): New.
4380         (clast_name_index_elt_info): New.
4381         (eq_clast_name_indexes): New.
4382         (clast_name_to_index): New.
4383         (new_clast_name_index): New.
4384         (save_clast_name_index): New.
4385         (init_sese_params_index): New.
4386         (gloog): Call init_sese_params_index.
4387         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4388         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4389         (free_sese): Free SESE_PARAMS_INDEX.
4390         * sese.h (struct sese): Add params_index.
4391         (SESE_PARAMS_INDEX): New.
4392
4393 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4394
4395         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4396         (graphite_create_new_loop): Pass the newivs vector.  Push the
4397         newly created IV to newivs.
4398         (translate_clast): Pass the newivs vector.
4399         (gloog): Create and destroy the newivs vector.
4400
4401 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4402
4403         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4404         (graphite_loop_normal_form): Initialize loop->aux with the unique
4405         IV that has been created.
4406
4407 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4408
4409         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4410         scev with parameters in the base part. They where forbidden
4411         exidently.
4412
4413 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4414
4415         * gcc.dg/graphite/graphite.exp: Set different default
4416         compile options by file names.
4417         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4418         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4419         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4420         * gcc.dg/graphite/scop-matmult.c: Ditto.
4421
4422 2009-05-08  Li Feng <nemokingdom@gmail.com>
4423
4424         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4425         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4426         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4427         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4428
4429 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4430
4431         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4432         by final cleanup.
4433
4434 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4435
4436         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4437         allow integer constant strides.
4438         (graphite_can_represent_expr): Depend on outermost_loop.
4439         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4440         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4441         build_scops_1): Same.
4442         (scopdet_basic_block_info): Same and insert layered SCoP
4443         detection.
4444         (try_generate_gimple_bb): Cleanup.
4445         (build_scops): Enable data references.
4446
4447         * gcc.dg/graphite/id-5.c: New.
4448         * gcc.dg/graphite/id-9.c: New.
4449         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4450         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4451
4452 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4453
4454         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4455         that we have not yet built for this SCoP.
4456
4457 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4458
4459         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4460         for complex numbers.
4461
4462 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4463
4464         * graphite-ppl.c: Fix build if cloog is not available.
4465
4466 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4467
4468         * tree-parloops.c (loop_parallel_p): Remove construction of
4469         NITER and REDUCTION_LIST.
4470         (try_get_loop_niter): New.
4471         (try_create_reduction_list): New.
4472         (parallelize_loops): Bypass the failed checkings in autopar
4473         when can_be_parallel in loop structure is set to true.
4474
4475 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4476
4477         * gcc.dg/graphite/id-6.c: Update testcase.
4478         * gcc.dg/graphite/scop-3.c: Dito.
4479
4480 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4481
4482         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4483         Enable EQ_EXPR and NE_EXPR again.
4484
4485 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4486
4487         * graphite-scop-detection.c (graphite_can_represent_scev):
4488         Add check if scev is affine multivariate.
4489         (harmful_stmt_in_bb): Check if we can represent the conditions.
4490         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4491         harmful_stmt_in_bb.
4492         * gcc.dg/graphite/id-7.c: New.
4493
4494 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4495
4496         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4497         Check all bbs in region, not only the bbs that are represented in
4498         GRAPHITE.
4499         (build_poly_scop): Add newline.
4500         * gcc.dg/graphite/id-8.c: New.
4501
4502 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4503
4504         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4505         when loop initialize.
4506         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4507         * common.opt: Declare flag_graphite_force_parallel.
4508         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4509         loop parallel.
4510         * graphite-poly.c (apply_poly_transforms): Introduce
4511         flag_graphite_force_parallel.
4512         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4513         * toplev.c (process_options): ditto and replace a not correctly
4514         encoded space.
4515
4516 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4517
4518         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4519         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4520         to the redefinition.
4521         (compute_cloog_iv_types_1): ditto.
4522         (build_iv_mapping): ditto.
4523         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4524         initialization.
4525         (free_gimple_bb): Removed GBB_LOOPS related free part.
4526         (build_bb_loops): Removed.
4527         * sese.h (struct gimple_bb): Removed loops.
4528         (GBB_LOOPS): Removed.
4529         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4530         (gbb_loop_index): ditto.
4531
4532 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4533
4534         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4535         allow non constant strides.
4536         * gcc.dg/graphite/scop-20.c: New.
4537
4538 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4539
4540         * graphite-scop-detection.c (dot_all_scops): Fix system call
4541         return value warning.
4542         (dot_scop): Same.
4543
4544 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4545
4546         * gcc.dg/graphite/id-6.c: Fix pattern.
4547         * gcc.dg/graphite/scop-3.c: Same.
4548
4549 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4550
4551         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4552         build_pairwise_constraint, dr_equality_constraints,
4553         build_pairwise_scheduling_equality,
4554         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4555         build_lexicographically_gt_constraint, dependence_polyhedron,
4556         graphite_legal_transform_dr, graphite_legal_transform_bb,
4557         graphite_legal_transform): New.
4558         * graphite-poly.h (graphite_legal_transform): Declared.
4559         * graphite-sese-to-poly.c (build_poly_scop): Call to
4560         graphite_legal_transform is disabled for the moment.
4561
4562 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4563
4564         * graphite-poly.h (pbb_nb_scattering_dims): New.
4565         (pbb_nb_scattering): Use it.
4566
4567 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4568
4569         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4570         Pointset_Powerset version of ppl_insert_dimensions.
4571         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4572
4573 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4574
4575         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4576
4577 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4578
4579         * graphite-poly.h: Fix comment.
4580
4581 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4582
4583         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4584
4585 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4586
4587         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4588         statements.
4589
4590 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4591
4592         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4593         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4594         conditions.
4595
4596 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4597
4598         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4599         handle EQ_EXPR and NE_EXPR.
4600
4601 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4602
4603         * graphite-poly.h (poly_dr): Fix comment.
4604
4605 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4606             Tobias Grosser  <grosser@fim.uni-passau.de>
4607
4608         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4609         with a zero dimension polyhedron.
4610         (find_scop_parameters): Move the call to scop_set_nb_params here.
4611         (build_loop_iteration_domains): Store in loop->aux the iteration
4612         domain polyhedron.
4613         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4614         by any loop in scop.
4615         (build_poly_scop): Do not call scop_set_nb_params.
4616
4617 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4618             Tobias Grosser  <grosser@fim.uni-passau.de>
4619
4620         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4621         add_condition_to_domain not GT_EXPR.
4622
4623 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4624
4625         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4626         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4627         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4628         upper_bound_assign to calculate unions.
4629         * gcc.dg/graphite/id-6.c: New.
4630
4631 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4632
4633         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4634         handle abnormal edges.
4635
4636 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4637
4638         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4639         (free_poly_bb): Also free poly_drs.
4640         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4641         (poly_dr): Polyhedron to Pointset_Powerset.
4642         (pdr_accessp_nb_subscripts): Same.
4643         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4644         poly_drs.
4645
4646 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4647
4648         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4649         names into more meaningful names.
4650
4651 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * gfortran.dg/graphite/interchange-1.c: New.
4654         * gfortran.dg/graphite/interchange-2.c: New.
4655
4656 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4657
4658         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4659         the reduction_list.
4660         * tree-parloops.c (rewrite_phi_with_iv): New.
4661         (rewrite_all_phi_nodes_with_iv): New.
4662         (canonicalize_loop_ivs): Call them.
4663
4664 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4665
4666         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4667         graphite_find_data_references_in_stmt.
4668         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4669         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4670
4671 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4672
4673         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4674
4675 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4676
4677         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4678         instead of bb_in_region.
4679         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4680         (build_sese_conditions): Use flag_bb_in_sese.
4681         * sese.c (register_bb_in_sese): Removed.
4682         (new_sese): Remove initialization of SESE_REGION_BBS.
4683         (free_sese): Do not free SESE_REGION_BBS.
4684         * sese.h (struct sese): Remove field region_basic_blocks.
4685         (SESE_REGION_BBS): Removed.
4686         (bb_in_sese_p): Implement in function of bb_in_region.
4687
4688 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4689
4690         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4691         loops.
4692
4693 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4694
4695         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4696         and EQ_EXPR.
4697         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4698         (add_condition_to_domain): New.
4699         (add_condition_to_pbb): New.
4700         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4701         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4702
4703 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4704
4705         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4706         ppl_Pointset_Powerset.
4707         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4708         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4709         (pbb_nb_loops): Same.
4710         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4711         add_conditions_to_domain): Same.
4712         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4713         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4714         ppl_const_Polyhedron_t.
4715         (ppl_print_powerset_matrix): New.
4716         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4717         ppl_print_powerset_matrix): New.
4718         (ppl_print_polyhedron_matrix): Updated.
4719
4720 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4721
4722         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4723
4724 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4725
4726         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4727         (print_iteration_domains, debug_iteration_domain,
4728         debug_iteration_domains): New.
4729         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4730         debug_iteration_domains): Declared.
4731         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4732         indenting.
4733
4734 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4735             Sebastian Pop  <sebastian.pop@amd.com>
4736
4737         * graphite-poly.h (print_iteration_domain): New.
4738         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4739         (build_sese_conditions_1, build_sese_conditions_after,
4740         build_sese_conditions_before): New.
4741         (build_sese_conditions): Rewritten.
4742
4743 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4744             Tobias Grosser  <grosser@fim.uni-passau.de>
4745
4746         Cleanup of code generation liveouts.
4747         * graphite-clast-to-gimple.c (translate_clast): Use a single
4748         rename_map instead of one per translated statement.
4749         Do not use SESE_LIVEOUT_RENAMES.
4750         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4751         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4752         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4753         phi node of a reduction: when a loop contains a reduction used outside
4754         the loop, there should be a scalar close phi node on the exit block.
4755         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4756         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4757         (free_sese): Do not free them.
4758         (sese_build_liveouts_use): Do not use them.
4759         (sese_build_liveouts_bb): Same.
4760         (sese_build_liveouts): Same.
4761         (sese_insert_phis_for_liveouts): Same.
4762         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4763         (defined_in_loop_p): New.
4764         (alive_after_loop): New.
4765         (close_phi_not_yet_inserted_p): New.
4766         (struct alep, alep_p): New.
4767         (add_loop_exit_phis): Remove from the rename_map all the names defined
4768         in the code generated loop.
4769         (insert_loop_close_phis): Traverse the rename_map passed to it.
4770         Don't use SESE_LIVEOUT_RENAMES.
4771         (default_liveout_before_guard): Renamed default_before_guard.
4772         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4773         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4774         (register_sese_liveout_renames): Removed.
4775         (copy_bb_and_scalar_dependences): Do not call it.
4776         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4777         reduction_list.
4778         (SESE_LIVEOUT): Removed.
4779         (SESE_LIVEOUT_RENAMES): Removed.
4780         (SESE_REDUCTION_LIST): Removed.
4781         (sese_build_liveouts): Removed.
4782         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4783         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4784         (insert_guard_phis): Same.
4785         (rename_map_elt): Declare a VEC of them.
4786         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4787         trees not pointers to trees.
4788
4789         Rewrite in canonical close SSA form:
4790         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4791         (limit_scops): Close the scop after the block containing the close phi
4792         nodes.
4793         (canonicalize_loop_closed_ssa): New.
4794         (canonicalize_loop_closed_ssa_form): New.
4795         (build_scops): Call canonicalize_loop_closed_ssa_form.
4796
4797         * graphite-sese-to-poly.c: Fix typos.
4798
4799 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4800
4801         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4802         Extended.
4803         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4804         (print_pbb): Add conditions.
4805
4806 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4807             Sebastian Pop  <sebastian.pop@amd.com>
4808
4809         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4810         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4811         (build_scop_bbs_1): New.
4812         (build_scop_bbs): Rewrite.
4813         * sese.h (bb_in_region): New.
4814
4815 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4816
4817         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4818         poly_drs vector.
4819         (print_scop): Style.
4820         * graphite-poly.h (poly_bb): Add drs vector.
4821         (PBB_DRS): Add accessor.
4822         * graphite-sese-to-poly.c (build_poly_dr): New.
4823         (build_pbb_drs, build_scop_drs): New.
4824         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4825
4826 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4827
4828         * tree-ssa-loop.c: Include forgotten toplev.h
4829
4830 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4831
4832         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4833         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4834         * gcc.dg/graphite/pr37928.c: Same
4835         * gcc.dg/graphite/pr38409.c: Same
4836         * gcc.dg/graphite/pr38498.c: Same
4837         * gcc.dg/graphite/pr38559.c: Same
4838         * gcc.dg/graphite/pr39335.c: Same
4839         * gcc.dg/graphite/pr39335_1.c: Same
4840         * gfortran.dg/graphite/block-2.f: Same
4841         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4842         with -floop-*.
4843
4844 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4845
4846         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4847         build_access_matrix, build_scop_data_accesses): Remove access function
4848         building. (We get a new version soon).
4849         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4850         * sese.h (nb_loops_around_loop_in_sese): Remove.
4851         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4852
4853 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4854             Sebastian Pop  <sebastian.pop@amd.com>
4855
4856         * graphite-scop-detection.c (struct scopdet_info): Rename last
4857         field to exit.
4858         (scopdet_basic_block_info, build_scops_1): Don't use
4859         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4860
4861 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4862             Sebastian Pop  <sebastian.pop@amd.com>
4863
4864         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4865         * sese.c (sese_build_liveouts_use): Renamed from
4866         sese_build_livein_liveouts_use. Remove liveins.
4867         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4868         Call sese_build_liveouts_use.
4869         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4870         Call sese_build_liveouts_bb.
4871         (new_sese, free_sese): Remove liveins.
4872         (sese_add_exit_phis_var): Deleted.
4873         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4874         directly.
4875         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4876
4877         * sese.h (sese): Remove num_ver and livein.
4878         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4879
4880 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4881
4882         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4883
4884 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4885
4886         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4887         (build_scop_scattering): Do not use compare_prefix_loops any more.
4888         (nb_common_loops): New.
4889
4890 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4891
4892         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4893         (register_old_and_new_names): Renamed set_rename.
4894
4895 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4896
4897         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4898         of the decl from the previous commit.
4899
4900 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4901
4902         * graphite-scop-detection.c (dot_scop): New.
4903         * graphite-scop-detection.h (dot_scop): Declared.
4904
4905 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4906
4907         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4908
4909 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4910
4911         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4912         condition at the end of the loop.
4913         * graphite.c (graphite_initialize, graphite_finalize): Print to
4914         dump_file the compiled function.
4915         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4916         of create_empty_loop_on_edge.
4917         (translate_clast): Update the code generation of loops for the new
4918         shape of loops.
4919         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4920
4921 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4922
4923         Reverted the patch from 2009-03-19.
4924
4925 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4926
4927         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4928         poly_drs vector.
4929         (print_scop): Style.
4930         * graphite-poly.h (poly_bb): Add drs vector.
4931         (PBB_DRS): Add accessor.
4932         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4933         (build_access_matrix_with_af, build_access_matrix,
4934         build_scop_data_accesses): Delete.
4935         (build_poly_dr): New.
4936         (build_pbb_drs, build_scop_drs): New.
4937         (build_poly_scop): call build_scop_drs.
4938
4939 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4940
4941         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4942         once per basic block.
4943
4944 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4945
4946         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4947         (graphite_can_represent_expr): Renamed from loop_affine_expr
4948         and enhanced.
4949         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4950         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4951         (scopdet_basic_block_info): Actually define entry_block.
4952         (stmt_simple_memref_p): Moved here from ...
4953
4954         * tree-data-ref.c (stmt_simple_memref_p): here.
4955         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4956
4957 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4958
4959         * gcc.dg/graphite/id-4.c: New.
4960
4961 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4962
4963         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4964         (register_old_and_new_names): Update the content of the map.
4965         When there was already a rename_map_elt in the map at that
4966         location, free it.
4967         (copy_bb_and_scalar_dependences): Do rename_variables after
4968         expand_scalar_variables.
4969         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4970         of the map.  When there was already a rename_map_elt in the
4971         map at that location, free it.
4972         (translate_clast): Pass the rename_map.  Do not initialize and free
4973         a rename_map per stmt_user.
4974         (gloog): Initialize and free one rename_map and pass it to
4975         translate_clast.
4976
4977 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4978
4979         * sese.c (expand_scalar_variables_stmt,
4980         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4981         parameter.
4982         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4983         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4984         the gimple_stmt_iterator of the statement to be expanded.
4985         * graphite-scop-detection.c (is_simple_operand): Do handle
4986         REALPART_EXPR.
4987
4988 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4989
4990         * graphite-scop-detection.c (is_simple_operand): Do not handle
4991         REALPART_EXPR.
4992         * gcc.dg/graphite/id-2.c: New.
4993
4994         * graphite-sese-to-poly.c (build_bb_loops,
4995         add_value_to_dim, scan_tree_for_params_right_scev,
4996         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4997         find_params_in_bb, build_loop_iteration_domains,
4998         add_conditions_to_domain): Remove subtract.
4999
5000 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5001
5002         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5003         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5004         pbb_loop_at_index -> gbb_loop_at_index.
5005         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5006         (debug_loop_vec): Delete.
5007         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5008         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5009         (PBB_LOOPS): Removed.
5010         (PBB_BLACK_BOX): Insert cast.
5011         (pbb_set_black_box): New setter.
5012         (pbb_loop_at_index, pbb_loop_index): Removed.
5013         (scop_set_region, scop_set_nb_params): New.
5014         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5015         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5016         (build_poly_scop): Use scop_set_nb_params.
5017         * sese.h (gimple_bb): Add LOOPS.
5018         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5019
5020 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5021
5022         Revert previous commit.
5023
5024 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5025
5026         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5027         (register_old_and_new_names): Update the content of the map.
5028         When there was already a rename_map_elt in the map at that
5029         location, free it.
5030         (copy_bb_and_scalar_dependences): Do rename_variables after
5031         expand_scalar_variables.
5032         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5033         of the map.  When there was already a rename_map_elt in the
5034         map at that location, free it.
5035         (translate_clast): Pass the rename_map.  Do not initialize and free
5036         a rename_map per stmt_user.
5037         (gloog): Initialize and free one rename_map and pass it to
5038         translate_clast.
5039
5040 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5041
5042         Remove forgotten line in revert.
5043
5044 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5045
5046         Revert previous commit.
5047
5048 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5049
5050         * sese.c (register_old_and_new_names): Update the content
5051         of the map.  When there was already a rename_map_elt in the
5052         map at that location, free it.
5053         (copy_bb_and_scalar_dependences): Do rename_variables after
5054         expand_scalar_variables.
5055         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5056         of the map.  When there was already a rename_map_elt in the
5057         map at that location, free it.
5058         (translate_clast): Pass the rename_map.  Do not initialize and free
5059         a rename_map per stmt_user.
5060         (gloog): Initialize and free one rename_map and pass it to
5061         translate_clast.
5062
5063 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5064
5065         * graphite-clast-to-gimple.c (translate_clast): context_loop
5066         is never NULL.
5067
5068 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5069             Sebastian Pop  <sebastian.pop@amd.com>
5070
5071         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5072         of the use of ppl_Polyhedron_map_space_dimensions.
5073
5074 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5075             Sebastian Pop  <sebastian.pop@amd.com>
5076
5077         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5078         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5079         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5080         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5081         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5082         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5083         pbb_nb_params): New.
5084         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5085         nb_loops_around_pbb): Adapt return types.
5086
5087 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5088
5089         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5090         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5091         graphite-scop-detection.o, graphite-poly.o): Add
5092         more headers.
5093
5094 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5095
5096         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5097         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5098         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5099
5100 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5101
5102         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5103         * gcc.dg/graphite/pr37828.c: Same.
5104         * gcc.dg/graphite/pr37684.c: Same.
5105         * gcc.dg/graphite/block-0.c: Same.
5106         * gcc.dg/graphite/block-1.c: Same.
5107         * gcc.dg/graphite/block-2.c: Same.
5108         * gcc.dg/graphite/block-3.c: Same.
5109         * gcc.dg/graphite/block-4.c: Same.
5110         * gcc.dg/graphite/block-5.c: Same.
5111         * gcc.dg/graphite/block-6.c: Same.
5112         * gfortran.dg/graphite/pr38083.f90: Same.
5113         * gfortran.dg/graphite/block-1.f90: Same.
5114         * gfortran.dg/graphite/block-3.f90: Same.
5115         * gfortran.dg/graphite/pr37852.f90: Same.
5116         * gfortran.dg/graphite/block-4.f90: Same.
5117         * gfortran.dg/graphite/pr37980.f90: Same.
5118         * gfortran.dg/graphite/pr38953.f90: Same.
5119         * gfortran.dg/graphite/pr37857.f90: Same.
5120         * opts.c: Remove -floop-block from -O2.
5121         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5122         -floop-strip-mine are used.
5123
5124 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5125             Sebastian Pop  <sebastian.pop@amd.com>
5126
5127         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5128         dimensions.
5129         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5130         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5131         strip_mine_profitable_p, is_interchange_valid,
5132         graphite_trans_bb_block, graphite_trans_loop_block,
5133         graphite_trans_scop_block): Temporary removed.
5134         (extend_scattering, unify_scattering_dimensions): New.
5135         (print_scattering_function, graphite_read_transforms):
5136         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5137         (graphite_generate_scattering_fns): Removed.
5138         (apply_poly_transforms): Cleanup.
5139         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5140         (schedule_to_scattering): Moved.
5141         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5142         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5143         (pbb_nb_scattering): New.
5144         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5145         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5146         Removed.
5147         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5148         shift_poly.
5149         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5150         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5151         -> PBB_TRANSFORMED_SCATTERING.
5152         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5153         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5154         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5155         (check_poly_representation): Do not return bool.
5156         (graphite_transform_loops): Reformat.
5157         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5158
5159 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5160
5161         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5162         debug_pbb_domain, debug_pbb, debug_scop): New.
5163         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5164         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5165
5166 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5167
5168         PR middle-end/39335
5169         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5170         when the type precision of the induction variable should be
5171         larger than the type precision of nit.
5172         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5173         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5174         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5175
5176         * gcc.dg/graphite/pr39335_1.c: New.
5177         * gcc.dg/graphite/pr39335.c: New.
5178
5179 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5180
5181         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5182         SSA_NAMES not struct reduction_info.
5183
5184 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5185
5186         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5187
5188 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5189             Tobias Grosser  <grosser@fim.uni-passau.de>
5190
5191         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5192         (free_sese): Free SESE_REDUCTION_LIST.
5193         * sese.h (struct sese): Add field reduction_list.
5194         (SESE_REDUCTION_LIST): New.
5195         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5196         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5197
5198 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5199             Tobias Grosser  <grosser@fim.uni-passau.de>
5200
5201         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5202         of loop_p.
5203
5204 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5205             Tobias Grosser  <grosser@fim.uni-passau.de>
5206
5207         * tree-parloops.c (struct brli, build_reduction_list_info,
5208         analyze_reduction_list, gather_scalar_reductions): New.
5209         (loop_parallel_p): Build a reduction list containing only
5210         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5211         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5212         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5213         * tree-flow.h (gather_scalar_reductions): Declared.
5214
5215 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5216
5217         PR middle-end/39308
5218         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5219         number_of_iterations_exit from a gcc_assert.
5220
5221 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5222             Jan Sjodin  <jan.sjodin@amd.com>
5223
5224         * output.h (graphite_out_file, graphite_in_file): Declared.
5225         * toplev.c (graphite_out_file, graphite_in_file): New.
5226         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5227         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5228         Don't call schedule_to_scattering.
5229         * common.opt (fgraphite-write, fgraphite-read): New.
5230         * graphite-poly.c: Include output.h.
5231         (print_scattering_function, print_scattering_functions,
5232         debug_scattering_function, debug_scattering_functions,
5233         graphite_write_transforms, graphite_read_transforms,
5234         graphite_generate_scattering_fns): New.
5235         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5236         Call graphite_generate_scattering_fns, graphite_write_transforms,
5237         graphite_read_transforms.
5238         (new_poly_bb): Initialize PBB_SCATTERING.
5239         (free_poly_bb): Free PBB_SCATTERING.
5240         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5241         * graphite-poly.h (struct poly_bb): Add field scattering.
5242         (PBB_SCATTERING): New.
5243         (print_scattering_function, print_scattering_functions,
5244         debug_scattering_function, debug_scattering_functions): Declared.
5245         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5246         GMP values, not integers!
5247         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5248         ppl_read_polyhedron_matrix): New.
5249         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5250         debug_ppl_polyhedron_matrix,
5251         ppl_read_polyhedron_matrix): Declared.
5252         * Makefile.in (graphite-poly.o): Depends on output.h.
5253
5254 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5255             Tobias Grosser  <grosser@fim.uni-passau.de>
5256
5257         Revert this change:
5258         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5259         scalar evolutions in the scop_entry->loop_father.
5260
5261 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5262             Tobias Grosser  <grosser@fim.uni-passau.de>
5263
5264         * graphite.h (ref_nb_loops): Remove declaration.
5265         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5266         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5267         debug_gbb): Moved to sese.h.
5268         * sese.h: As said.
5269
5270 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5271             Tobias Grosser  <grosser@fim.uni-passau.de>
5272
5273         * graphite-data-ref.[ch]: Disable.
5274
5275 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5276             Tobias Grosser  <grosser@fim.uni-passau.de>
5277
5278         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5279         scalar evolutions in the scop_entry->loop_father.
5280
5281 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5282
5283         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5284         (graphite_cannot_represent_loop_niter): Renamed
5285         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5286         (limit_scops): build_sese_loop_nests does not return a bool.
5287         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5288         * sese.c (nb_reductions_in_loop): ... from here.
5289         (graphite_loop_normal_form): ... from here.
5290         (sese_record_loop): Does not fail, so does not return a bool.
5291         (build_sese_loop_nests): Same.
5292         * sese.h (build_sese_loop_nests): Update declaration.
5293         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5294         (build_graphite_loop_normal_form): New.
5295         (gloog): Call build_graphite_loop_normal_form.
5296         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5297         build_sese_loop_nests.
5298
5299         * gcc.dg/graphite/id-1.c: New.
5300
5301 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5302             Tobias Grosser  <grosser@fim.uni-passau.de>
5303
5304         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5305         The SCoP detection fix is sufficient.
5306
5307 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5308
5309         PR tree-optimization/39260
5310         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5311         the basic block contains a condition with a real type.
5312         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5313
5314         * gcc.dg/graphite/pr39260.c: New.
5315
5316 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5317
5318         * graphite-poly.c: Inlcude params.h.
5319         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5320         the size of a tile.
5321         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5322         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5323
5324 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5325             Tobias Grosser  <grosser@fim.uni-passau.de>
5326
5327         * graphite-scop-detection.c (dot_all_scops_1,
5328         dot_all_scops): Moved here.
5329         * graphite-scop-detection.h (dot_all_scops): Declared here.
5330         * graphite.c (graphite_initialize, graphite_finalize): New.
5331         (graphite_transform_loops): Cleaned up.
5332         * sese.c (debug_oldivs): Moved here.
5333         * graphite-poly.c (graphite_apply_transformations): Renamed
5334         apply_poly_transforms.
5335         (debug_loop_vec): Moved here.
5336         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5337         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5338         find_scop_parameters, build_scop_iteration_domain,
5339         add_conditions_to_constraints, build_scop_canonical_schedules,
5340         build_scop_data_accesses): Now static.
5341         (build_poly_scop, check_poly_representation): New.
5342
5343 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5344
5345         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5346         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5347         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5348         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5349         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5350         scan_tree_for_params, struct irp_data, dx_record_params,
5351         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5352         build_loop_iteration_domains, add_conditions_to_domain,
5353         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5354         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5355         build_sese_conditions, add_conditions_to_constraints,
5356         build_scop_iteration_domain, build_access_matrix_with_af,
5357         build_access_matrix,
5358         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5359
5360         * graphite-sese-to-poly.c: New.
5361         * graphite-sese-to-poly.h: New.
5362
5363         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5364
5365 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5366
5367         * graphite.c: Split graphite code generation to a new file.
5368         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5369         max_precision_type, clast_to_gcc_expression_red,
5370         clast_to_gcc_expression, gcc_type_for_clast_expr,
5371         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5372         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5373         graphite_create_new_guard, clast_get_body_of_loop,
5374         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5375         graphite_create_new_loop, build_iv_mapping, copy_renames,
5376         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5377         compute_cloog_iv_types, free_scattering, save_var_name,
5378         initialize_cloog_names, build_scop_context, build_cloog_prog,
5379         set_cloog_options, debug_clast_stmt, scop_to_clast,
5380         print_generated_program, debug_generated_program,
5381         gloog): Moved to graphite-clast-to-gimple.c.
5382
5383         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5384
5385         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5386         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5387         loop_iv_stack_pop, loop_iv_stack_get_iv,
5388         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5389         free_loop_iv_stack, loop_iv_stack_remove_constants,
5390         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5391         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5392         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5393         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5394         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5395         get_vdef_before_sese, sese_adjust_vphi,
5396         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5397         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5398         is_iv, expand_scalar_variables_ssa_name,
5399         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5400         expand_scalar_variables, rename_variables, remove_condition,
5401         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5402         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5403         default_liveout_before_guard, add_guard_exit_phis,
5404         insert_guard_phis, register_old_and_new_names,
5405         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5406         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5407         if_region_set_false_region, create_if_region_on_edge,
5408         move_sese_in_condition): Moved to sese.c.
5409
5410         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5411         if_region_exit, if_region_get_condition_block,
5412         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5413         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5414         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5415         ivtype_map_elt, new_ivtype_map_elt,
5416         recompute_all_dominators): Moved to sese.h.
5417
5418         * graphite-clast-to-gimple.c: New.
5419         * graphite-clast-to-gimple.h: New.
5420         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5421         * sese.c: Modified as said above.
5422         * sese.h: Same.
5423
5424 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5425
5426         * graphite.c: Split scop detection to a new file.
5427         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5428         move_sd_regions, loop_affine_expr, exclude_component_ref,
5429         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5430         graphite_cannot_represent_loop_niter, struct scopdet_info,
5431         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5432         find_single_entry_edge, find_single_exit_edge,
5433         create_single_entry_edge, sd_region_without_exit,
5434         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5435         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5436         Moved to graphite-scop-detection.c.
5437
5438         * graphite-scop-detection.c: New.
5439         * graphite-scop-detection.h: New.
5440         * Makefile.in: Add new rule for graphite-scop-detection.o.
5441
5442         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5443         tree-scalar-evolution.h.
5444         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5445         build_sese_loop_nests): Moved here from graphite.c.
5446         (param_index): Renamed parameter_index_in_region.
5447
5448 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5449             Sebastian Pop  <sebastian.pop@amd.com>
5450
5451         * gcc.dg/graphite/block-0.c: Expected to fail now.
5452         * gcc.dg/graphite/block-1.c: Same.
5453         * gcc.dg/graphite/block-5.c: Same.
5454         * gcc.dg/graphite/block-6.c: Same.
5455
5456 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5457             Sebastian Pop  <sebastian.pop@amd.com>
5458
5459         * graphite.h: Separate from graphite_bb_p the polyhedral
5460         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5461         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5462         graphite-data-ref.h.
5463         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5464         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5465         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5466         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5467         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5468         scop_nb_params): Moved to graphite-poly.h.
5469         * graphite-data-ref.c: Same.
5470         * graphite-data-ref.h: New.
5471         * graphite.c: Same.
5472         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5473         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5474         is_interchange_valid, graphite_trans_bb_block,
5475         graphite_trans_loop_block, scop_max_loop_depth,
5476         graphite_trans_scop_block, graphite_apply_transformations,
5477         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5478         graphite-poly.c.
5479         * graphite-poly.h: New.
5480         * graphite-poly.c: New.
5481         * Makefile.in (OBJS-common): Add graphite-poly.o.
5482         (graphite-poly.o): New rule.
5483         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5484         (DR_SCOP): Removed.
5485
5486 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5487             Tobias Grosser  <grosser@fim.uni-passau.de>
5488
5489         * graphite.c: Replace gb -> gbb.
5490         * graphite.h: Same.
5491         * graphite-data-ref.c: Same.
5492
5493 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5494             Tobias Grosser  <grosser@fim.uni-passau.de>
5495
5496         * Makefile.in (OBJS-commmon): Add sese.o.
5497         (sese.o): New.
5498         (graphite.o): Add sese.h.
5499         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5500         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5501         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5502         Move to sese.
5503         (block_before_scop): Add missing return.
5504         (new_scop, free_scop): Remove SESE data structures.
5505         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5506         find_scop_parameters, build_loop_iteration_domains,
5507         add_conditions_to_domain, register_scop_liveout_renames,
5508         copy_bb_and_scalar_dependences): Scop -> SESE.
5509
5510         (add_conditions_to_domain): SCoP -> SESE and remove check
5511         (scop_contains_non_iv_scalar_phi_nodes): New.
5512         (build_scop_conditions_1, build_scop_conditions): Remove check for
5513         non iv scalar phi nodes.
5514         (print_scop_statistics): New.
5515         (graphite_transform_loops): Cleanup.
5516
5517         * graphite.h: Move to sese & cleanup.
5518         * sese.c: New.
5519         * sese.h: New.
5520
5521 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5522             Tobias Grosser  <grosser@fim.uni-passau.de>
5523
5524         * graphite.c (build_scop_conditions_1): Conditions are only
5525         at the end of a basic block.
5526
5527 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5528             Tobias Grosser  <grosser@fim.uni-passau>
5529
5530         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5531         field.
5532         (GBB_ALPHA): Removed.
5533
5534 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5535             Tobias Grosser  <grosser@fim.uni-passau.de>
5536
5537         * graphite-data-ref.c (graphite_test_dependence): Don't use
5538         GBB_DYNAMIC_SCHEDULE.
5539         * graphite.c (new_graphite_bb): Same.
5540         (free_graphite_bb): Same.
5541         (build_scop_dynamic_schedules): Removed.
5542         (graphite_transform_loops): Don't call it.
5543         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5544         (GBB_DYNAMIC_SCHEDULE): Removed.
5545
5546 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5547             Tobias Grosser  <grosser@fim.uni-passau.de>
5548
5549         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5550         (print_graphite_bb): Same.
5551         (build_cloog_prog): Same.
5552
5553 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5554             Tobias Grosser  <grosser@fim.uni-passau.de>
5555
5556         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5557
5558 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5559             Tobias Grosser  <grosser@fim.uni-passau.de>
5560
5561         * graphite.c (build_scop_context): Don't use CloogMatrix.
5562         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5563         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5564
5565 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5566             Tobias Grosser  <grosser@fim.uni-passau.de>
5567
5568         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5569         liveout_renames, add_params fields...
5570         (struct sese): ... here.
5571         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5572         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5573
5574 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5575             Tobias Grosser  <grosser@fim.uni-passau.de>
5576
5577         * graphite.c (print_scop): Do not print the CLooG program.
5578         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5579         build_cloog_prog, gloog): Don't use SCOP_PROG.
5580         (find_transform): Renamed scop_to_clast.
5581         (print_generated_program, debug_generated_program): New.
5582         (graphite_transform_loops): Adapt to new interface.
5583         * graphite.h (struct scop): Remove program field.
5584         (SCOP_PROG): Removed.
5585         (print_generated_program, debug_generated_program): Declared.
5586
5587 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5588
5589         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5590         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5591         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5592         free_graphite_bb, build_scop_canonical_schedules,
5593         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5594         schedules are now represented using a ppl_Linear_Expression_t.
5595         * graphite.h (struct graphite_bb): Same.
5596         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5597         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5598
5599 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5600
5601         * graphite.c: Free local memory.
5602         * graphite-ppl.c: Same.
5603
5604 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5605
5606         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5607         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5608         swap_constraint_variables, scale_constraint_variable): Removed.
5609         (graphite_trans_bb_strip_mine): Remove pong.
5610         * graphite-ppl.c: Include missing header files.
5611         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5612         * graphite-ppl.h (ppl_strip_loop): Declared.
5613         * Makefile.in (graphite-ppl.o): Adjust dependences.
5614
5615 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5616
5617         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5618         (build_scop_iteration_domain): Same.
5619
5620 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5621
5622         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5623         ping pong.
5624         (add_value_to_dim, scan_tree_for_params_right_scev,
5625         scan_tree_for_params_int): New.
5626         * graphite-ppl.c (oppose_constraint): New.
5627         (insert_constraint_into_matrix): Implement missing cases.
5628         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5629
5630 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5631
5632         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5633         use ppl_move_dimension.
5634
5635 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5636
5637         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5638         * graphite.c: Same.
5639         * graphite.h: Same.
5640         * graphite-ppl.c: Same.
5641         * graphite-ppl.h: Same.
5642
5643 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         Revert last 3 commits.
5646
5647 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5648
5649         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5650         ping pong.
5651         (add_value_to_dim, scan_tree_for_params_right_scev,
5652         scan_tree_for_params_int): New.
5653         * graphite-ppl.c (oppose_constraint): New.
5654         (insert_constraint_into_matrix): Implement missing cases.
5655         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5656
5657 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5658
5659         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5660
5661 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5662             Tobias Grosser  <grosser@fim.uni-passau.de>
5663
5664         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5665         use ppl_move_dimension.
5666         * graphite-ppl.c (ppl_move_dimension): New.
5667         * graphite-ppl.h (ppl_move_dimension): Declared.
5668
5669 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5670
5671         * graphite.c: Do not include cloog/cloog.h.
5672         (print_graphite_bb): Remove ping pong, call PPL print function.
5673
5674 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5675
5676         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5677         (graphite.o): Add dependence on graphite-ppl.h.
5678         (graphite-ppl.o): New.
5679         (graphite-data-ref.c): Ping pong between PPL data structures
5680         and matrices.
5681         * graphite-ppl.c: New.
5682         * graphite-ppl.h: New.
5683         * graphite.c: Include graphite-ppl.h.
5684         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5685         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5686         Ping pong between PPL data structures and matrices.
5687         (new_graphite_bb): Create a PPL constraint system.
5688         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5689         (build_loop_iteration_domains): Use PPL functions.
5690         * graphite.h: Include graphite-ppl.h.  Fix comments.
5691         (graphite_bb): Use a ppl_Constraint_System_t instead of
5692         CloogMatrix for representing the domain.
5693         (scop): Remove static_schedule.
5694         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5695
5696 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5697
5698         * graphite.c: Fix some comments.
5699
5700 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5701
5702         PR middle-end/38953
5703         * graphite.c (if_region_set_false_region): After moving a region
5704         in the false branch of a condition, remove the empty dummy
5705         basic block.
5706         (gloog): Remove wrong fix for PR38953.
5707
5708 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5709
5710         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5711         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5712         register_bb_in_sese, new_sese, free_sese): Moved.
5713         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5714         outermost_loop_in_scop, build_scop_iteration_domain,
5715         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5716         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5717         Use loop_in_sese_p instead of loop_in_scop_p.
5718         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5719         (free_scop): Do not free SCOP_BBS_B.
5720         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5721         ref_nb_loops): Moved here...
5722         * graphite.h (ref_nb_loops): ... from here.
5723         (struct scop): Remove bbs_b bitmap.
5724         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5725         * gcc.dg/graphite/scop-19.c: New
5726
5727 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5728
5729         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5730         detection.
5731
5732 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5733
5734         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5735         eq_loop_to_cloog_loop): Remove.
5736         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5737         * graphite.h (struct scop): Remove loop2cloog_loop.
5738         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5739
5740 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5741
5742         * opts.c (decode_options): Only add graphite options to O2
5743         if we compile with graphite enabled.
5744
5745 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5746
5747         * Merge from mainline (r143163:143684).
5748
5749 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5750
5751         * graphite.c (debug_value): Removed.
5752         * graphite.h (debug_value): Removed.
5753
5754 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5755
5756         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5757         after graphite: pass_copy_prop does not maintain a proper loop closed
5758         SSA form.  pass_copy_prop should be fixed.
5759
5760 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5761
5762         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5763
5764 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5765
5766         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5767         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5768         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5769         changed the CFG.
5770
5771 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5772
5773         * graphite.c (gloog): Return true when code gen succeeded.
5774         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5775         the code of the function did not changed.  After cleanup_tree_cfg
5776         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5777         form.
5778
5779 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5780
5781         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5782         gimple_call_lhs is NULL.
5783
5784 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5785             Tobias Grosser  <tobi.grosser@amd.com>
5786
5787         * graphite.c (graphite_trans_scop_block): Do not block single
5788         nested loops.
5789
5790 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5791             Tobias Grosser  <tobi.grosser@amd.com>
5792
5793         * graphite.c (build_scop_canonical_schedules): Start schedules at
5794         zero.
5795
5796 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5797             Tobias Grosser  <tobi.grosser@amd.com>
5798
5799         * graphite.c (compare_prefix_loops): New.
5800         (build_scop_canonical_schedules): Rewritten.
5801         (graphite_transform_loops): Move build_scop_canonical_schedules
5802         after build_scop_iteration_domain.
5803
5804 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5805             Tobias Grosser  <tobi.grosser@amd.com>
5806
5807         * graphite.c (add_conditions_to_domain): Add the loops to
5808         the dimension of the iteration domain.  Do copy the domain
5809         only when it exists.
5810         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5811         (add_conditions_to_constraints): New.
5812         (can_generate_code_stmt, can_generate_code): Removed.
5813         (gloog): Do not call can_generate_code.
5814         (graphite_transform_loops): Call add_conditions_to_constraints
5815         after building the iteration domain.
5816
5817 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5818             Tobias Grosser  <tobi.grosser@amd.com>
5819             Jan Sjodin  <jan.sjodin@amd.com>
5820
5821         * graphite.c (scan_tree_for_params): On substractions negate
5822         all the coefficients of the term.
5823         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5824         of more than two operands.
5825         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5826         (get_vdef_before_scop): Handle also the case of default definitions.
5827
5828 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5829
5830         PR middle-end/38431
5831         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5832         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5833         (gloog): Do not call cleanup_tree_cfg.
5834         (graphite_transform_loops): Call cleanup_tree_cfg after all
5835         scops have been code generated.
5836
5837 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5838
5839         * passes.c (init_optimization_passes): Schedule after
5840         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5841
5842 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5843
5844         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5845         Fix comment.
5846         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5847         Set the type of an expression to the type of its assign statement.
5848         (expand_scalar_variables_expr):  Do not pass loop_p.
5849         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5850         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5851         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5852
5853 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5854
5855         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5856         an expression to the gimple_expr_type of its assign statement.
5857         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5858         or tcc_declaration.
5859
5860 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5861
5862         PR tree-optimization/38786
5863         * gcc.dg/graphite/pr38786.c: New.
5864         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5865         the SSA_NAME case of expand_scalar_variables_expr.
5866         (expand_scalar_variables_expr): Also gather the scalar computation
5867         used to index the memory access.
5868         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5869         the gimple_stmt_iterator where it inserts new code.
5870
5871 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5872
5873         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5874
5875 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5876
5877         * opts.c (decode_options): Enable flag_graphite_identity and
5878         flag_loop_block in -O2 and above.
5879
5880 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5881
5882         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5883         Fix merge problem: replace with the file from trunk.
5884
5885 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5886
5887         * Merge from mainline (r141727:143163).
5888
5889 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5890             Jan Sjodin  <jan.sjodin@amd.com>
5891
5892         PR tree-optimization/38559
5893         * gcc.dg/graphite/pr38559.c: New.
5894
5895         * graphite.c (debug_value, copy_constraint,
5896         swap_constraint_variables, scale_constraint_variable, ): New.
5897         (get_lower_bound, get_upper_bound): Removed.
5898         (graphite_trans_bb_strip_mine): Clean up this code that works
5899         only for constant number of iterations.  Fully copy upper and
5900         lower bound constraints, not only the constant part of them.
5901         * graphite.h (debug_value): Declared.
5902
5903 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5904
5905         PR tree-optimization/38492
5906         PR tree-optimization/38498
5907         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5908         * tree-chrec.h (scev_is_linear_expression): Declared.
5909         * graphite.c (graphite_cannot_represent_loop_niter): New.
5910         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5911         (graphite_loop_normal_form): Use gcc_assert.
5912         (scan_tree_for_params): Use CASE_CONVERT.
5913         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5914         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5915         Use gcc_assert.  Discard scops that contain unhandled cases.
5916         (build_scop_conditions): Return a boolean status for unhandled cases.
5917         (strip_mine_profitable_p): Print the loop number, not its depth.
5918         (is_interchange_valid): Pass the depth of the loop nest, don't
5919         recompute it wrongly.
5920         (graphite_trans_bb_block): Same.
5921         (graphite_trans_bb_block): Print tentative of loop blocking.
5922         (graphite_trans_scop_block): Do not print that the loop has been
5923         blocked.
5924         (graphite_transform_loops): Do not handle scops that contain condition
5925         scalar phi nodes.
5926
5927         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5928         in trunk.
5929         * gcc.dg/graphite/block-0.c: Update test.
5930         * gcc.dg/graphite/block-1.c: Same.
5931         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5932         blocking.
5933         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5934         * gcc.dg/graphite/block-3.c: New.
5935         * gcc.dg/graphite/pr38498.c: New.
5936
5937 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5938
5939         PR tree-optimization/38510
5940         * gcc.dg/graphite/pr38510.c: New.
5941         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5942           (translate_clast): Call recompute_all_dominators before
5943           graphite_verify.
5944           (gloog): Call recompute_all_dominators before graphite_verify.
5945
5946 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5947
5948         PR tree-optimization/38492
5949         * graphite.c (rename_map_elt, debug_rename_elt,
5950         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5951         rename_map_elt_info, eq_rename_map_elts,
5952         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5953         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5954         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5955         (sese_build_livein_liveouts): New.
5956         (new_sese, free_sese): New.
5957         (new_scop): Call new_sese.
5958         (free_scop): Call free_sese.
5959         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5960         (register_old_new_names): Renamed register_old_and_new_names.
5961         (register_scop_liveout_renames, add_loop_exit_phis,
5962         insert_loop_close_phis, struct igp,
5963         default_liveout_before_guard, add_guard_exit_phis,
5964         insert_guard_phis, copy_renames): New.
5965         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5966         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5967         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5968         (scop_adjust_phis_for_liveouts): New.
5969         (gloog): Call scop_adjust_phis_for_liveouts.
5970
5971         * graphite.h (struct sese): Documented.  Added fields liveout,
5972         num_ver and livein.
5973         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5974         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5975         (struct scop): Added field liveout_renames.
5976         (SCOP_LIVEOUT_RENAMES): New.
5977
5978 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5979
5980         PR tree-optimization/38409
5981         * gcc.dg/graphite/pr38409.c: New.
5982         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5983
5984 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5985
5986         * graphite.c (gcc_type_for_cloog_iv): By default return
5987         integer_type_node.
5988         (graphite_create_new_loop): Don't fold_convert the already
5989         fold_convert-ed expression.
5990
5991 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5992
5993         PR tree-optimization/38446
5994         * gcc.dg/graphite/pr38446.c: New.
5995         * graphite.c (register_bb_in_sese): New.
5996         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5997         looking at the bbs in the region.
5998         * graphite.h (sese): Add region_basic_blocks pointer set to
5999         structure and initialize at the time of defining new scop.
6000
6001 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6002
6003         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6004         (find_params_in_bb): Do not free data refs.
6005         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6006
6007 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6008
6009         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6010         * gcc.dg/graphite/scop-17.c: Same.
6011         * gcc.dg/graphite/block-5.c: New.
6012         * gcc.dg/graphite/block-6.c: New.
6013         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6014         * gcc.dg/graphite/pr37684.c: Same.
6015         * gcc.dg/graphite/block-2.c: Same.
6016
6017         * graphite.c (struct ivtype_map_elt): New.
6018         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6019         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6020         gcc_type_for_cloog_iv): New.
6021         (loop_iv_stack_patch_for_consts): Use the type of the induction
6022         variable from the original loop, except for the automatically
6023         generated loops, i.e., in the case of a strip-mined loop, in
6024         which case there is no original loop: in that case just use
6025         integer_type_node.
6026         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6027         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6028         (clast_name_to_gcc): Accept params to be NULL.
6029         (clast_to_gcc_expression): Take an extra parameter for the type.
6030         Convert to that type all the expressions built by this function.
6031         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6032         (graphite_translate_clast_equation): Compute the type of the
6033         clast_equation before translating its LHS and RHS.
6034         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6035         (graphite_create_new_loop): Compute the type of the induction
6036         variable before translating the lower and upper bounds and before
6037         creating the induction variable.
6038         (rename_variables_from_edge, rename_phis_end_scop): New.
6039         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6040         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6041         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6042         compute_cloog_iv_types): New.
6043         (gloog): Call compute_cloog_iv_types before starting the
6044         translation of the clast.
6045
6046         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6047         (GBB_CLOOG_IV_TYPES): New.
6048         (debug_ivtype_map): Declared.
6049         (oldiv_for_loop): New.
6050
6051 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6052
6053         PR middle-end/38459
6054         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6055         (param_index): Assert if parameter is not know after parameter
6056         detection.
6057         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6058         (find_scop_parameters): Mark, that we have finished parameter
6059         detection.
6060         (graphite_transform_loops): Move condition detection before parameter
6061         detection.
6062         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6063         * gfortran.dg/graphite/pr38459.f90: New.
6064
6065 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6066
6067         * graphite.c (graphite_transform_loops): Always call find_transform ()
6068         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6069         generate code.
6070
6071 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6072
6073         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6074         (print_scop): Ditto.
6075
6076 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6077
6078         PR middle-end/38084
6079         Fix gfortran.dg/graphite/id-3.f90.
6080         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6081         regions more than once.
6082
6083 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6084
6085         Fix gfortran.dg/graphite/id-4.f90.
6086         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6087         when not needed.
6088
6089 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6090
6091         Fix gfortran.dg/graphite/id-1.f90.
6092         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6093         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6094         (max_precision_type): New.
6095         (value_clast): Removed.
6096         (clast_to_gcc_expression): Be more careful to types of expressions.
6097         Use max_precision_type and update use of gmp_cst_to_tree.
6098         (graphite_translate_clast_equation): Use max_precision_type.
6099         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6100         use the type of the condition.
6101         (graphite_create_new_loop): Do not use integer_type_node, use the
6102         max_precision_type of lb and ub.
6103
6104 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6105
6106         * graphite.c (build_scops_1): Initialize open_scop.exit
6107         and sinfo.last.
6108
6109 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6110
6111         * gcc.dg/graphite/pr38084.c: New.
6112         * gfortran.dg/graphite/id-1.f90: New.
6113         * gfortran.dg/graphite/id-2.f90: New.
6114         * gfortran.dg/graphite/id-3.f90: New.
6115         * gfortran.dg/graphite/id-4.f90: New.
6116         * gfortran.dg/graphite/pr37857.f90: New.
6117
6118 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6119             Jan Sjodin  <jan.sjodin@amd.com>
6120             Harsha Jagasia  <harsha.jagasia@amd.com>
6121
6122         PR middle-end/37852
6123         PR middle-end/37883
6124         PR middle-end/37928
6125         PR middle-end/37980
6126         PR middle-end/38038
6127         PR middle-end/38039
6128         PR middle-end/38073
6129         PR middle-end/38083
6130         PR middle-end/38125
6131
6132         * gcc.dg/graphite/pr38073.c: New.
6133         * gcc.dg/graphite/pr37928.c: New.
6134         * gcc.dg/graphite/pr37883.c: New.
6135         * gcc.dg/graphite/pr38125.c: New.
6136         * gfortran.dg/graphite/pr38083.f90: New.
6137         * gfortran.dg/graphite/pr37852.f90: New.
6138         * gfortran.dg/graphite/pr37980.f90: New.
6139
6140         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6141         the number of detected scops.  Copy exact same test for loop
6142         blocking...
6143         * gcc.dg/graphite/block-1.c: Fix the number of expected
6144         loops to be blocked as reductions are not handled.
6145         * gcc.dg/graphite/block-4.c: ...here.  New.
6146
6147         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6148         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6149         ...here.
6150         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6151         * Makefile.in (graphite.o): Depend on value-prof.h.
6152         (graphite.o-warn): Removed -Wno-error.
6153         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6154         to be a NULL pointer.  Call update_stmt.  Return the newly created
6155         cannonical induction variable.
6156
6157         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6158
6159         * graphite.c: Reimplement the code generation from graphite to gimple.
6160         Include value-prof.h.
6161         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6162         (get_old_iv_from_ssa_name): Removed.
6163         (graphite_stmt_p): New.
6164         (new_graphite_bb): Test for useful statements before building a
6165         graphite statement for the basic block.
6166         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6167         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6168         reason.
6169         (recompute_all_dominators, graphite_verify,
6170         nb_reductions_in_loop, graphite_loop_normal_form): New.
6171         (scop_record_loop): Call graphite_loop_normal_form.
6172         (build_scop_loop_nests): Iterate over all the blocks of the
6173         function instead of relying on the incomplete information from
6174         SCOP_BBS.  Return the success of the operation.
6175         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6176         (add_bb_domains): Removed.
6177         (build_loop_iteration_domains): Don't call add_bb_domains.
6178         Add the iteration domain only to the basic blocks that have been
6179         translated to graphite.
6180         (build_scop_conditions_1): Add constraints only if the basic
6181         block have been translated to graphite.
6182         (build_scop_data_accesses): Completely disabled until data
6183         dependence is correctly implemented.
6184         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6185         (remove_all_edges_1, remove_all_edges): Removed.
6186         (get_new_name_from_old_name): New.
6187         (graphite_rename_variables_in_stmt): Renamed
6188         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6189         Use replace_exp and update_stmt.
6190         (is_old_iv): Renamed is_iv.
6191         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6192         Use replace_exp and update_stmt.
6193         (expand_scalar_variables_expr): Same.  Use the map to get the
6194         new names for the renaming of induction variables and for the
6195         renaming of variables after a basic block has been copied.
6196         (expand_scalar_variables): Same.
6197         (graphite_rename_variables): Renamed rename_variables.
6198         (move_phi_nodes): Removed.
6199         (get_false_edge_from_guard_bb): New.
6200         (build_iv_mapping): Do not insert the induction variable of a
6201         loop in the renaming iv map if the basic block does not belong
6202         to that loop.
6203         (register_old_new_names, graphite_copy_stmts_from_block,
6204         copy_bb_and_scalar_dependences): New.
6205         (translate_clast): Heavily reimplemented: copy basic blocks,
6206         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6207         At each translation step call graphite_verify ensuring the
6208         consistency of the SSA, loops and dominators information.
6209         (collect_virtual_phis, find_vdef_for_var_in_bb,
6210         find_vdef_for_var_1, find_vdef_for_var,
6211         patch_phis_for_virtual_defs): Removed huge hack.
6212         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6213         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6214         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6215         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6216         if_region_get_condition_block, if_region_set_false_region,
6217         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6218         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6219         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6220         rewrite_into_sese_closed_ssa): New.
6221         (gloog): Remove dead code.  Early return if code cannot be
6222         generated.  Call cleanup_tree_cfg once the scop has been code
6223         generated.
6224         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6225         block loops with less than two loops.
6226         (graphite_apply_transformations): Remove the call to
6227         scop_remove_ignoreable_gbbs.
6228         (limit_scops): When build_scop_loop_nests fails, continue on
6229         the next scop.  Fix open_scop.entry.
6230         (graphite_transform_loops): Call recompute_all_dominators: force the
6231         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6232         Call initialize_original_copy_tables and free_original_copy_tables
6233         to be able to copy basic blocks during code generation.
6234         When build_scop_loop_nests fails, continue on next scop.
6235         (value_clast): New union.
6236         (clast_to_gcc_expression): Fix type cast warning.
6237
6238 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6239
6240         * Merge from mainline (r140838:141727).
6241
6242 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6243
6244         PR middle-end/37833
6245
6246         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6247
6248 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6249
6250         PR middle-end/37943
6251
6252         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6253         exits and conditions.
6254         * gcc.dg/graphite/pr37943.c: New.
6255
6256 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6257
6258         PR middle-end/37886
6259         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6260
6261 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6262
6263         * doc/invoke.texi: Fix spaces.
6264
6265 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6266
6267         PR tree-optimization/37891
6268         Reverted last commit.
6269         * graphite.c (create_single_entry_edge): Set
6270         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6271
6272 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6273             Mitul Thakkar  <mitul.thakkar@amd.com>
6274
6275         * graphite.c (create_single_entry_edge): Set
6276         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6277
6278 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6279
6280         * doc/invoke.texi: Add -fgraphite-identity.
6281         * graphite.c (graphite_apply_transformations): Check for
6282         -fgraphite-identity.
6283         * toplev.c (process_options): Add flag_graphite_identity.
6284         * tree-ssa-loop.c: Add flag_graphite_identity.
6285
6286 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6287
6288         Undo changes from 2008-10-02:
6289         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6290         operand type when copying the operand to a variable of different type.
6291         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6292         with the IV name after increment.
6293
6294 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6295             Harsha Jagasia  <harsha.jagasia@amd.com>
6296
6297         PR tree-optimization/37828
6298         * gcc.dg/graphite/pr37828.c: New.
6299         * graphite.c (graphite_trans_loop_block): Do not loop block
6300         single nested loops.
6301
6302 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6303             Sebastian Pop  <sebastian.pop@amd.com>
6304
6305         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6306         rename_map_elt_info, eq_rename_map_elts): New.
6307         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6308         (expand_scalar_variables_expr): Change parameters.
6309         (expand_scalar_variables_stmt): Same.
6310         (expand_scalar_variables): Same.
6311         (graphite_rename_ivs): Rename graphite_rename_variables.
6312         (build_iv_mapping): New.
6313         (translate_clast): Call build_iv_mapping.
6314         * graphite.h (gbb_p): New name.
6315
6316 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6317
6318         PR tree-optimization/37684
6319         * gcc.dg/graphite/pr37684.c: New.
6320         * graphite.c (exclude_component_ref): New.
6321         (is_simple_operand): Call exclude_component_ref.
6322
6323 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6324             Harsha Jagasia  <harsha.jagasia@amd.com>
6325
6326         PR tree-optimization/37485
6327         * gcc.dg/graphite/block-2.c: New
6328         * graphite.c (gmp_cst_to_tree): Moved.
6329         (iv_stack_entry_is_constant): New.
6330         (iv_stack_entry_is_iv): New.
6331         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6332         (loop_iv_stack_insert_constant): New.
6333         (loop_iv_stack_pop): Use new datatpype.
6334         (loop_iv_stack_get_iv): Same.
6335         (loop_iv_stack_get_iv_from_name): Same.
6336         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6337         (loop_iv_stack_patch_for_consts): New.
6338         (loop_iv_stack_remove_constants): New.
6339         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6340         (translate_clast): Call loop_iv_stack_patch_for_consts and
6341         loop_iv_stack_remove_constants.
6342         (gloog): Use new datatype.  Redirect construction edge to end
6343         block to avoid accidental deletion.
6344         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6345         iv stack entry.
6346         (union iv_stack_entry_data): New.  Data in iv stack entry.
6347         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6348
6349 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6350
6351         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6352         operand type when copying the operand to a variable of different type.
6353
6354 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6355
6356         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6357         with the IV name after increment.
6358
6359 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6360
6361         * Merge from mainline (r140164:140838).
6362
6363 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6364
6365         * graphite-data-ref.c: New.
6366         * graphite.c (print_scop): Also dump the dependence graph.
6367         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6368         (new_scop): Initialize SCOP_DEP_GRAPH.
6369         (build_scop_dynamic_schedules): New.
6370         (build_access_matrix_with_af): Fixed column numbering.
6371         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6372         * graphite.h: Add ifndef/define guards against multiple inclusion.
6373         (struct scop): Add dep_graph field.
6374         (SCOP_DEP_GRAPH): Defined.
6375         (ref_nb_loops): Fixed and moved to other position.
6376         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6377         (nb_loops_around_loop_in_scop): New.
6378         (graphite_dump_dependence_graph): Declared.
6379         (graphite_build_rdg_all_levels): Declared.
6380         (graphite_test_dependence): Declared.
6381         * Makefile.in (graphite-data-ref.o): New target.
6382
6383 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6384
6385         * Merge from mainline (139870:140164).
6386
6387 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6388
6389         * Merge from mainline (138275:139870).
6390         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6391         the commits from trunk broke the niter detection.
6392
6393 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6394
6395         * graphite.c: Add more documentation.  Fix formatting.
6396         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6397         loop_iv_stack_debug): Moved...
6398         (schedule_to_scattering): Move before use.
6399         (dot_all_scops): Include in "#if 0" the code for system
6400         call dotty.
6401
6402         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6403         loop_iv_stack_debug): ...here.
6404
6405 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6406
6407         * tree-phinodes.c (make_phi_node): Extern.
6408         (add_phi_node_to_bb): New.
6409         (create_phi_node): Call add_phi_node_to_bb.
6410         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6411         (remove_statement): Handle case where stored phi was updated
6412         and is no longer the same.
6413         * graphite.c (is_parameter): New.
6414         (is_old_iv): New.
6415         (expand_scalar_variables_expr): New.
6416         (expand_scalar_variables_stmt): New.
6417         (expand_scalar_variables): New.
6418         (move_phi_nodes): Create new phi instead of moving old one.
6419         (translate_clast): Call expand_scalar_variables.
6420         (find_vdef_for_var_in_bb): Also scan regular definitions.
6421         (skip_phi_defs): New.
6422         (collect_scop_exit_phi_args): New.
6423         (patch_scop_exit_phi_args): New.
6424         (gloog): Patch phis after scop.
6425         * tree-flow.h: (add_phi_node_to_bb): Declared.
6426         (make_phi_node): Declared.
6427
6428 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6429
6430         * graphite.c (end_scop): Split the entry of the scop when it
6431         is the header of the loop in which the scop is ending.
6432         (build_scops_1, limit_scops): Update uses of end_scop.
6433
6434 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6435
6436         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6437         SCOP_ENTRY or SCOP_EXIT.
6438
6439 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6440
6441         * graphite.c (get_construction_edge): Removed.
6442         (gloog): Construction edge is the scop entry edge.
6443
6444 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6445
6446         * graphite.c (can_generate_for_scop): Removed.
6447         (gloog): Do not call it.
6448
6449 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6450
6451         * graphite.c (new_scop): Entry of a scop is an edge.
6452         Initialize SESE region.
6453         (free_scop): Free SESE region.
6454         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6455         (split_difficult_bb): New, split from end_scop.
6456         (end_scop): Exit of a scop is an edge.
6457         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6458         not automatically updated and thus is always wrong.
6459         * graphite.h (struct sese): New.
6460         (SESE_ENTRY): New.
6461         (SESE_EXIT): New.
6462         (struct scop): New field for a SESE region.  Remove entry, exit.
6463         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6464         semantics as before.  Moved comment around.
6465
6466 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6467             Sebastian Pop  <sebastian.pop@amd.com>
6468
6469         * graphite.c (graphite_transform_loops): Always enable gloog
6470         and find_transform when ENABLE_CHECKING.
6471
6472 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6473
6474         * graphite.c (graphite_transform_loops): Move pretty printer
6475         of SCOPs before doing any transform.  Remove call to print_scops
6476         and dot_all_scops_1.
6477
6478 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6479
6480         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6481         (print_graphite_bb): Same.
6482
6483 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6484
6485         * graphite.c (dot_all_scops_1): Cleanup.
6486         (move_scops): Fix comment.
6487
6488 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6489
6490         * graphite.c (build_scop_bbs): Revert commit 139355:
6491
6492         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6493                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6494
6495                 * graphite.c (build_scop_bbs): Factor up code.
6496
6497 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6498
6499         * graphite.c (gloog): Update dominator info.
6500
6501 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6502
6503         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6504
6505 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6506
6507         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6508         initialization.
6509         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6510         (translate_clast): Correct formatting.
6511         * graphite.h (struct num_map): Removed.
6512         (struct graphite_bb): Remove num_map field.
6513         (GBB_INDEX_TO_NUM_MAP): Removed.
6514
6515 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6516
6517         * graphite.c (build_access_matrix_with_af): Fix comments.
6518         (build_scop_data_accesses): Same.
6519
6520 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6521
6522         * graphite.c (build_scop_data_accesses): Don't construct
6523         access matrices.  Add a FIXME and an assert condition that
6524         should pass when the access matrices will be needed.
6525
6526 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6527
6528         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6529         really_constant_p.
6530         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6531         Moved close by free_graphite_bb.
6532         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6533         (new_scop): Move close by free_scop.
6534         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6535
6536 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6537
6538         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6539         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6540         instead of recursive call.
6541         (graphite_translate_clast_equation): New.
6542         (graphite_create_guard_cond_expr): New.
6543         (graphite_create_new_guard): New.
6544         (get_stack_index_from_iv): Removed.
6545         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6546         (get_true_edge_from_guard_bb): New.
6547         (translate_clast): Handle stmt_guard in clast.
6548         (get_construction_edge): Allow construction edge detection for
6549         a scope entry with multiple predecessors if one predecessor is
6550         the immediate dominator of scope entry.
6551         (can_generate_code_stmt): Enable code generation for clast_guard.
6552         (gloog): Use correct context loop.  Removed check for post dominators.
6553         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6554
6555 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6556
6557         * graphite.c (remove_dead_loops): Document better which
6558         loops are removed.
6559
6560 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6561
6562         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6563         and PPLINC.
6564         (graphite.o): Also depends on pointer-set.h.
6565
6566 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6567
6568         * graphite.c (scop_record_loop): Fix compile warning.
6569
6570 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6571             Sebastian Pop  <sebastian.pop@amd.com>
6572
6573         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6574
6575 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6576
6577         * graphite.c (build_graphite_bb): Initialize bb->aux to
6578         point to the graphite_bb_p.
6579         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6580         content of bb->aux.
6581         (add_bb_domains): Does not use the scop parameter.
6582         (graphite_transform_loops): Clean bb->aux at the end.
6583
6584 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6585             Sebastian Pop  <sebastian.pop@amd.com>
6586
6587         * lib/target-supports.exp
6588         (check_effective_target_fgraphite): New.
6589
6590         * gcc.dg/graphite/graphite.exp: Early exit when
6591         check_effective_target_fgraphite returns false.
6592         Set dg-do-what-default to compile.
6593         (scan-graphite-dump-times): Removed.
6594         * gfortran.dg/graphite/graphite.exp: Same.
6595
6596         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6597         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6598         * gcc.dg/graphite/scop-1.c: Same.
6599         * gcc.dg/graphite/scop-2.c: Same.
6600         * gcc.dg/graphite/scop-3.c: Same.
6601         * gcc.dg/graphite/scop-4.c: Same.
6602         * gcc.dg/graphite/scop-5.c: Same.
6603         * gcc.dg/graphite/scop-6.c: Same.
6604         * gcc.dg/graphite/scop-7.c: Same.
6605         * gcc.dg/graphite/scop-8.c: Same.
6606         * gcc.dg/graphite/scop-9.c: Same.
6607         * gcc.dg/graphite/scop-10.c: Same.
6608         * gcc.dg/graphite/scop-11.c: Same.
6609         * gcc.dg/graphite/scop-12.c: Same.
6610         * gcc.dg/graphite/scop-13.c: Same.
6611         * gcc.dg/graphite/scop-matmult.c: Same.
6612         * gcc.dg/graphite/scop-14.c: Same.
6613         * gcc.dg/graphite/scop-15.c: Same.
6614         * gcc.dg/graphite/block-0.c: Same.
6615         * gcc.dg/graphite/scop-16.c: Same.
6616         * gcc.dg/graphite/block-1.c: Same.
6617         * gcc.dg/graphite/scop-17.c: Same.
6618         * gcc.dg/graphite/scop-18.c: Same.
6619         * gfortran.dg/graphite/block-1.f90: Same.
6620         * gfortran.dg/graphite/scop-1.f: Same.
6621         * gfortran.dg/graphite/block-2.f: Same.
6622
6623 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6624
6625         * graphite.c: Fix some XXX comments.
6626         (build_scop_dynamic_schedules): Removed.
6627
6628 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6629
6630         * graphite.h (scop_max_loop_depth): Moved...
6631         * graphite.c (scop_max_loop_depth): ...here.
6632         (remove_all_edges_1): New.
6633         (remove_all_edges): Factored code.
6634         (remove_cond_exprs): Check only the last statement for
6635         a GIMPLE_COND expression.
6636
6637 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6638
6639         * graphite.c (scan_tree_for_params): Early return when the
6640         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6641         (find_scop_parameters): Factor out code.
6642         (graphite_trans_bb_strip_mine): Remove dead code.
6643
6644 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6645
6646         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6647         graphite_trans_bb_move_loop): Factor asserts.
6648         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6649         Do not call calculate_dominance_info and estimate_bb_frequencies.
6650
6651 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6652
6653         * graphite.c (create_loops_mapping, free_loops_mapping,
6654         create_loops_mapping_num, debug_loop_mapping_1,
6655         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6656         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6657         graphite_loops_mapping_add_child_num,
6658         graphite_loops_mapping_insert_child,
6659         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6660         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6661         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6662         create_num_from_index, get_num_from_index,
6663         swap_loop_mapped_depth): Removed.
6664         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6665         (free_scop): Do not call free_loops_mapping.
6666         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6667         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6668         get_loop_mapped_depth.
6669         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6670         (graphite_trans_bb_strip_mine): Same.
6671         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6672         (struct scop): Remove field loops_mapping.
6673
6674 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6675             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6676
6677         * graphite.c (scop_record_loop): Factor out one level of the
6678         condition by early return.
6679         (build_scop_loop_nests): Format following FSF coding style.
6680         (build_scop_dynamic_schedules): Factor out code.
6681         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6682
6683 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6684             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6685
6686         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6687         assignments that are not handled as simple operands for now.
6688
6689 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6690             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6691
6692         * graphite.c (build_scop_bbs): Factor up code.
6693
6694 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6695             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6696
6697         * graphite.c (stmt_simple_for_scop_p): Factor code out
6698         of the loop.
6699         (enum gbb_type): New.  Group all the GBB_* types under it.
6700         (is_loop_exit): Moved...
6701         (end_scop): Enable BB spliting.
6702         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6703         * cfgloop.h (is_loop_exit): Declared.
6704
6705 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6706
6707         * doc/invoke.texi: Remove strides from examples containing
6708         DO loops when the strides are equal to 1.
6709
6710 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6711             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6712
6713         * graphite.c (graphite_trans_scop_block): Or the result with
6714         the result from graphite_trans_loop_block.
6715         * gcc.dg/graphite/block-1.c: New.
6716         * gfortran.dg/graphite/block-1.f90: New.
6717         * gfortran.dg/graphite/block-2.f: New.
6718
6719 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6720
6721         * graphite.c (graphite_transform_loops): Call cloog_initialize
6722         and cloog_finalize.
6723
6724 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6725
6726         * tree-data-ref.c) (stmt_simple_memref_p): New.
6727         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6728         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6729         (is_simple_operand): Call stmt_simple_memref_p.
6730
6731         * gcc.dg/graphite/scop-matmult.c: Updated for not
6732         using pointer arithmetic, as this is optimized by PRE and
6733         makes the code too difficult to analyze.
6734
6735         * gcc.dg/graphite/scop-18.c: Same.
6736
6737 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6738
6739         * gdbinit.in (pgg): New.
6740
6741 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6742
6743         * graphite.c (graphite_trans_loop_block): Fix warning.
6744
6745 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6746
6747         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6748
6749 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6750
6751         * graphite.c (graphite_trans_bb_block): Remove check for
6752         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6753         Check if loop blocking is profitable for every loop, before applying
6754         the changes.
6755         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6756         if flag_loop_block is set.
6757
6758 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6759
6760         * graphite.c: Add some more documentation for the loop
6761         mapping.
6762
6763 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6764
6765         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6766         * graphite.c: Format on less than 80 columns.
6767         * graphite.h: Same.
6768
6769 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6770
6771         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6772
6773 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6774
6775         * doc/invoke.texi (floop-block, floop-strip-mine,
6776         floop-interchange): Update documentation with examples.
6777
6778 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6779
6780         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6781         add_referenced_var.
6782         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6783
6784 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6785
6786         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6787         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6788         * tree-scalar-evolution.c: Revert useless changes.
6789         * tree-phinodes.c: Same.
6790         * cfghooks.c: Same.
6791         * vec.h: Same.
6792         * tree-vectorizer.h: Same.
6793         * tree-flow.h: Same.
6794         * tree-cfg.c: Same.
6795         * common.opt (fgraphite): Update documentation.
6796
6797 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6798
6799         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6800         -floop-interchange): Add more text for explaining what each of these
6801         flags is doing.
6802         * tree-into-ssa.c (gimple_vec): Moved to...
6803         * graphite.c: Include gimple.h.
6804         (gimple_vec): Moved to...
6805         (del_loop_to_cloog_loop): Removed.
6806         (loop_affine_expr): Do not call create_data_ref when the
6807         operand is a constant.
6808         (new_scop): Use free instead of del_loop_to_cloog_loop.
6809         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6810         * gimple.h (gimple_vec): ... here.
6811
6812 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6813
6814         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6815         latch executions.
6816         (build_loop_iteration_domains): Fail, if latch executions unknown.
6817
6818 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6819
6820         * graphite.c (add_conditions_to_domain): New.
6821         (build_scop_conditions_1): Call add_conditions_to_domain.
6822         (set_cloog_options): Allow to disable optimizations.
6823
6824 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6825
6826         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6827         Do not use walk_dominator_tree.
6828         (find_scop_parameters): Do not use walk_dominator_tree.
6829
6830 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6831
6832         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6833         (idx_record_params): Adapt.
6834         * graphite.h (scop_gimple_loop_depth): New.
6835
6836 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6837
6838         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6839         (scan_tree_for_params): Remove value_init.
6840         (build_scop_context): Remove value_init.
6841         (build_loop_iteration_domains): Remove value_init.
6842         (schedule_to_scattering): Remove value_init.
6843         (graphite_trans_bb_strip_mine): Remove value_init.
6844
6845 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6846
6847         * gcc/graphite.c (limit_scops): New.
6848         (graphite_transform_loops): Add limit SCoPs.
6849         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6850         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6851         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6852         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6853         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6854         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6855         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6856         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6857         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6858         Change loop numbers.
6859         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6860         Change loop numbers.
6861         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6862         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6863         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6864         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6865         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6866         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6867         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6868         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6869         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6870         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6871
6872 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6873
6874         * graphite.c (graphite_transform_loops): Call always find_transform.
6875
6876 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6877
6878         * graphite.c (free_loops_mapping): New.
6879         (stmt_simple_for_scop_p): Fix typo.
6880         (stmt_simple_for_scop_p): Fix tuples functions, that
6881         broke polyhedron.
6882         (free_graphite_bb): Fix some memleaks.
6883         (free_scop): Fix some memleaks.
6884         (scopdet_bb_info): Do not forget some tmp SCoPs.
6885         (find_params_in_bb): Fix some memleaks.
6886         (clast_to_gcc_expression): Fix warning.
6887
6888 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6889
6890         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6891         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6892
6893 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6894
6895         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6896         Move code ifdef-ed HAVE_cloog...
6897         * graphite.c: Include toplev.h.
6898         ... here.
6899         * Makefile.in (OBJS-common): Always build graphite.o.
6900         (BACKEND): Remove @GRAPHITE@.
6901         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6902         (graphite.o): Depend on TOPLEV_H.
6903
6904 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6905
6906         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6907         Remove typo left from polylib to ppl conversion.
6908         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6909
6910 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6911
6912         * toplev.c (process_options): Move the graphite loop optimization
6913         flags...
6914         * tree-ssa-loop.c (graphite_transforms): ... here.
6915         When not configured with CLooG, print to dump_file that
6916         Graphite transforms were not performed.
6917         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6918         New.
6919         * gcc.dg/graphite/*.c: Updated all testcases to use
6920         scan-graphite-dump-times.
6921
6922 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6923
6924         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6925         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6926
6927 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6928             Jan Sjodin  <jan.sjodin@amd.com>
6929
6930         * configure: Regenerated.
6931         * omp-low.c (expand_omp_sections): Remove now unused code.
6932         * config.in (HAVE_polylib): Removed.
6933         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6934         (PPLLIBS, PPLINC): Added.
6935         * graphite.c: Replace unsigned with int wherever possible.
6936         Don't access Cloog's data structures, but use accessor functions.
6937         Clast's stmt->type is now implemented as a vtable: change the
6938         switches of stmt->type into ifs.
6939         (polylib/polylibgmp.h): Don't include.
6940         (initialize_dependence_polyhedron,
6941         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6942         statement_precedes_p, test_dependence, build_rdg_all_levels,
6943         dump_dependence_graph): Removed until this code is cleaned up
6944         or ported to Cloog.
6945         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6946         (POLYLIBINC): Renamed PPLINC.
6947
6948 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6949             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6950             Jan Sjodin  <jan.sjodin@amd.com>
6951
6952         Finish the merge and tuplification of graphite.
6953
6954 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6955             Jan Sjodin  <jan.sjodin@amd.com>
6956
6957         Partial merge from mainline (138072:138275).
6958         * graphite.c still has to be tuplified.
6959
6960 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6961
6962         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6963         (create_num_from_index): New.
6964         (get_num_from_index): Also pass in the graphite BB.
6965         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6966         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6967         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6968         (is_interchange_valid): Return false when failing.
6969         * graphite.h (struct num_map): New.
6970         (struct graphite_bb): New field num_map.
6971         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6972
6973 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6974
6975         * graphite.c (dump_gbb_conditions): Print also conditions like
6976         "if (a)".  Remove dublicated code and use print_generic_expr ().
6977         (stmt_simple_for_scop_p): Only allow conditions we can handle
6978         {<, <=, >, >=}.
6979
6980 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6981
6982         * graphite.h (struct scop): Removed new_ivs field.
6983         (SCOP_NEWIVS): Deleted.
6984         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6985         clast_to_gcc_expression, graphite_create_new_loop):
6986         Removed use of new_ivs.
6987
6988 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6989
6990         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6991         create_loops_mapping_num, debug_loop_mapping_1): New.
6992         (debug_loop_mapping): Call debug_loop_mapping_1.
6993         (get_loop_mapping_for_num,
6994         graphite_loops_mapping_add_child,
6995         graphite_loops_mapping_add_child_num,
6996         graphite_loops_mapping_insert_child,
6997         graphite_loops_mapping_parent,
6998         split_loop_mapped_depth_for_num,
6999         loop_mapped_depth_split_loop): New.
7000         (increment_loop_mapped_depths): Removed.
7001         (swap_loop_mapped_depth_for_num): Reimplemented.
7002         (new_scop): Call create_loops_mapping.
7003         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7004         (translate_clast): Pass the old loop father in parameter, and pass
7005         it to get_old_iv_from_ssa_name.
7006         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7007         can_generate_code, can_generate_for_scop): New.
7008         (graphite_trans_bb_block): Returns false when it fails to transform.
7009         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7010
7011 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7012
7013         Reverted all the changes related to the streamization and
7014         loop fusion.
7015         These changes are now tracked in the streamization branch.
7016
7017 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7018             Jan Sjodin  <jan.sjodin@amd.com>
7019
7020         * graphite.c (gbb_compare): Correctly constify.
7021         (gbb_can_be_ignored): Indent.
7022         (graphite_trans_scop_swap_1and2): Add legality check.
7023         Remove dead FIXMEs.
7024
7025 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7026
7027         Remove fallouts from "Reverted the Condate changes".
7028         * tree.h: Remove unused decl.
7029         * gcc.dg/tree-checker: Same.
7030         * timevar.def: Remove counter.
7031
7032 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7033
7034         * Merge from mainline (135673:138072).
7035
7036         Reverted the MIRO changes (from 2008-04-05) that are now
7037         tracked in the miro branch.
7038         * tree-bounds.c: Removed.
7039         * tree-bounds.h: Removed.
7040
7041         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7042         are now tracked in the condate branch.
7043         * tree-check.c: Removed.
7044         * tree-match.c: Removed.
7045         * condate.y: Removed.
7046
7047 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7048
7049         * common.opt: New user flag -floop-block, -floop-strip-mine
7050         and -floop-interchange.
7051         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7052         graphite loop optimization flags is turned on.
7053         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7054         flag_loop_strip_mine and flag_loop_interchange checks before
7055         optimizations.
7056         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7057         -floop-strip-mine and -floop-interchange.
7058         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7059         -fgraphite.
7060         * gcc.dg/graphite/scop-16.c: Ditto.
7061         * gcc.dg/graphite/scop-17.c: Ditto.
7062         * gcc.dg/graphite/scop-18.c: Ditto.
7063
7064 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7065             Sebastian Pop  <sebastian.pop@amd.com>
7066
7067         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7068         (create_empty_loop_on_edge): More fixes.
7069         * tree-phinodes.c (resize_phi_node): Extern.
7070         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7071         * cfghooks.c (update_dominator_information): New split from
7072         split_edge.
7073         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7074         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7075         successor of the function entry block.
7076
7077         * graphite.c: Include pointer-set.h.
7078         (debug_loop_mapping, increment_loop_mapped_depths,
7079         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7080         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7081         swap_loop_mapped_depth_for_num, get_num_from_index,
7082         swap_loop_mapped_depth, loop_iv_stack_debug,
7083         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7084         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7085         get_old_iv_from_ssa_name): New.
7086         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7087         (free_scop): Free SCOP_LOOPS_MAPPING.
7088         (scop_record_loop): Record old ivs.
7089         (create_var_name): Removed.
7090         (initialize_cloog_names): Allocate double space in case strip mine
7091         applies to all loops once.
7092         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7093         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7094         translation.
7095         (graphite_create_new_loop): Pass in ivstack.
7096         (remove_all_edges): Pass in the construction_edge.
7097         (graphite_remove_iv): Removed.
7098         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7099         remove_cond_exprs): Rewritten.
7100         (move_phi_nodes): New.
7101         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7102         (translate_clast): Pass in ivstack.  Rewrite some cases.
7103         (set_cloog_options, debug_clast_stmt): New.
7104         (find_transform): Use set_cloog_options.
7105         (outermost_loop_layer): Removed.
7106         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7107         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7108         mark_old_loops, remove_dead_loops): New.
7109         (gloog): Rewritten.
7110         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7111         (const_column_index, get_first_matching_sign_row_index,
7112         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7113         get_upper_bound): New.
7114         (graphite_trans_bb_strip_mine): Also update the iv map.
7115
7116         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7117         (struct name_tree): Add a loop field.
7118         (struct scop): Add a graphite_loops_mapping field.
7119         (SCOP_LOOPS_MAPPING): New.
7120         (debug_clast_stmt): Declare.
7121         * lambda.h (find_induction_var_from_exit_cond): Declare.
7122         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7123         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7124         (create_empty_loop_on_edge): Updated.
7125         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7126         rename_variables_in_bb): Declare.
7127         * tree-cfg.c (remove_bb): Extern.
7128
7129         * gcc.dg/graphite/block-0.c: New.
7130
7131 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7132             Sebastian Pop  <sebastian.pop@amd.com>
7133
7134         * graphite.c (strip_mine_profitable_p): New.
7135         (graphite_trans_bb_block): Disable strip mining if not profitable.
7136
7137         * gcc.dg/graphite/scop-18.c: New.
7138         * gcc.dg/graphite/scop-17.c: Fixed.
7139         * gcc.dg/graphite/scop-16.c: Fixed.
7140
7141 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7142             Jan Sjodin  <jan.sjodin@amd.com>
7143             Sebastian Pop  <sebastian.pop@amd.com>
7144
7145         * graphite.c (is_interchange_valid): New.
7146         (graphite_trans_bb_block): Check loop nest of basic block for legality
7147         of interchange.
7148
7149         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7150         outer_most_loop, gbb_outer_most_loop_index): New.
7151
7152         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7153         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7154         * gcc.dg/graphite/scop-16.c: New.
7155         * gcc.dg/graphite/scop-17.c: New.
7156
7157 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7158
7159         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7160         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7161
7162 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7163
7164         * graphite.c (new_scop): Initialize SCOP_EXIT.
7165         (scopdet_info): Add.
7166         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7167         (build_scops_1): Cleanup, bugfixes.
7168         (build_scops): Cleanup.
7169
7170         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7171         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7172
7173 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7174
7175         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7176
7177         * gfortran.dg/graphite/graphite.exp: Use
7178         DEFAULT_GRAPHITE_FLAGS.
7179
7180         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7181
7182 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7183
7184         * graphite.c (scan_tree_for_params): Do not assert any more if
7185         MULT_EXPR parameter is negative.
7186
7187         * gfortran.dg/graphite/scop-1.f: New.
7188
7189         * gfortran.dg/graphite/graphite.exp: New.
7190
7191         * gcc.dg/graphite/scop-15.c: New.
7192
7193 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7194
7195         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7196
7197 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7198
7199         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7200         graphite_swap_loops.
7201         (graphite_trans_bb_move_loop): New.
7202         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7203         (graphite_trans_bb_block): New.
7204         (graphite_trans_loop_block): New.
7205         (graphite_trans_scop_swap_1and2): Rename from
7206         graphite_trans_swap_1and2.
7207         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7208         (graphite_trans_scop_block): New.
7209         (graphite_apply_transformations): Rename from
7210         graphite_transformations.
7211
7212         * gcc.dg/graphite/scop-matmult.c: New.
7213
7214 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7215
7216         * graphite.c (gbb_compare): New.
7217         (graphite_sort_gbbs): New.
7218         (gbb_can_be_ignored): New.
7219         (scop_remove_ignoreable_gbbs): New.
7220         (graphite_transformations): Cleanup and add
7221         scop_remove_ignoreable_gbbs.
7222         * lambda.h (lambda_vector_compare): New.
7223
7224 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7225
7226         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7227         (graphite_swap_loops): int -> unsigned
7228         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7229         (graphite_transformations): New.
7230         (graphite_transform_loops): Move to graphite_transformations.
7231         * graphite.h (gbb_nb_loops): Return unsigned.
7232
7233 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7234
7235         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7236         the domain matrix.  This makes scop-0.c work again.
7237
7238 2008-06-20  Richard Guenther  <rguenther@suse.de>
7239
7240         * graphite.h: Adjust copyright to GPLv3.
7241         * graphite.c: Likewise.
7242         (stmt_simple_memref_for_scop_p): Split out from ...
7243         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7244         and simplify.
7245         (get_bb_type): Optimize.
7246         (is_pred): Remove.
7247         (is_bb_addable): Fix memleak, replace is_pred call with
7248         single_pred.
7249         (build_scops): Use current_loops.
7250         (param_index): Fix memleak.
7251
7252 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7253
7254         * graphite.c: Fix formatting.
7255
7256 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7257
7258         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7259         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7260         (create_var_name, save_var_name): Newly defined functions.
7261         (initialize_cloog_names): Part of the code factored out to
7262         save_var_name.
7263         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7264         in clast_reduction statement.
7265         (graphite_create_new_loop): Now takes a new parameter
7266         for outer_loop.
7267         (translate_clast): Now also takes the context_loop and bb_exit
7268         parameters. Rewritten the code so that it creates a gimple code
7269         inside the given context.
7270         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7271         remove_cond_expr, disconnect_cond_expr,
7272         disconnect_virtual_phi_nodes): Newly defined functions.
7273         * graphite.h (struct scop): added old_ivs vector.
7274         SCOP_OLDIVS: New macro.
7275
7276 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7277
7278         * cfgloopmanip.c: Add missing function comments, fix formatting.
7279
7280 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7281
7282         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7283         (create_empty_loop_on_edge): Defined.
7284         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7285         instead of void.
7286         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7287         (update_dominators_in_loop): Declared as extern
7288         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7289
7290 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7291
7292         * graphite.c (print_graphite_bb): Allow changing number of loops
7293         in SCoP domain.
7294         (initialize_cloog_names): Allow changing number of loops.
7295         (build_cloog_prog): Simplify.
7296         (find_transform): Enable cloog option --strides.
7297         (graphite_swap_loops): New.
7298         (graphite_strip_mine_loop): New.
7299         (graphite_trans_swap_1and2): New.
7300         (graphite_trans_strip): New.
7301         (graphite_transform_loops): Add graphite_trans_strip.
7302         * graphite.h (scop_max_loop_depth): New.
7303
7304 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7305
7306         * graphite.c (build_scop_iteration_domain): Remove forgotten
7307         line. (Fixes compile)
7308
7309 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7310
7311         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7312         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7313         (build_bb_loops): New.
7314         (graphite_transform_loops): Add build_bb_loops.
7315         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7316         numbers.
7317         * graphite.h (graphite_bb): Add loops.
7318         (gbb_nb_loops): New.
7319         (gbb_loop_at_index): New.
7320         (gbb_loop_index): New.
7321         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7322         using nb_params_in_scop.
7323
7324 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7325
7326         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7327         (build_scop_canonical_schedules): Build minimized schedule.
7328         (schedule_to_scattering): Adapt to minimized schedule.
7329         * graphite.h (graphite_bb): Add/Update descriptions.
7330
7331 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7332             Tobias Grosser  <grosser@fim.uni-passau.de>
7333
7334         * graphite.c (print_graphite_bb): Add condition printing.
7335         (dump_value): New.
7336         (dump_gbb_conditions): New.
7337         (build_scop_conditions_1): New.
7338         (build_scop_conditions): New.
7339         * graphite.h (graphite_bb): Add conditions.
7340
7341 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7342
7343         * graphite.c (print_graphite_bb):
7344         (free_graphite_bb): New.
7345         (free_scop): Free bbs.
7346         (get_bb_type): Free doms.
7347         (build_scop_context): Free context matrix.
7348         (build_loop_iteration_domains): Remove unused code.
7349         (build_cloog_prog): Free scattering function and blocklist.
7350         (find_transform): Free options.
7351
7352 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7353
7354         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7355         Remove unnecessery cloog data structures. Make a copy of the domain
7356         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7357         unnecessary cloog data structures. Fix memory leaks. Remove insert
7358         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7359         used.
7360         (build_scop_iteration_domain): Remove unnecessary cloog
7361         data structures.  Fix memory leaks.
7362         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7363         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7364
7365 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7366
7367         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7368
7369 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7370
7371         * graphite.c (end_scop): Style fix.
7372         (schedule_to_scattering): Style and comment fix.
7373
7374 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7375         * graphite.c (print_graphite_bb): Fix definiton of
7376         schedule_to_scattering.
7377         (initialize_cloog_names): Change nb_scattdims to max loop
7378         depth in SCoP.
7379         (schedule_to_scattering): Take parameter for number of scattering
7380         dimensions.
7381         (build_cloog_prog): Only build as much scattering dimensions as
7382         necessary.
7383
7384 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7385
7386         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7387         in polyhedron/aermod.f90.
7388
7389 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7390             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7391             Harsha Jagasia  <harsha.jagasia@amd.com>
7392
7393         * graphite.c (is_bb_addable): Fix segfault.
7394
7395 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7396
7397         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7398         with multiple exits and conditional handling in edge cases.
7399         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7400
7401         * gcc.dg/graphite/scop-14.c: New.
7402
7403 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7404             Adrien Eliche  <aeliche@isty.uvsq.fr>
7405
7406         * graphite.c (is_bb_addable): Add more comments and enhance
7407         readablity of the source code. Fix memory leak.
7408         (is_loop_exit): Fix memory leak.
7409
7410 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7411
7412         * graphite.c (first_loop_in_scop): Deleted.
7413         (setup_cloog_loop): Only walk the loop chain for inner loops.
7414         (build_scop_iteration_domain): Execute setup_cloog_loop for
7415         all loops in the first layer.
7416
7417 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7418
7419         * graphite.c (scan_tree_for_params): Change the way params are
7420         added to be indepenent of the number of loops.
7421         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7422         handling.
7423         (build_cloog_prog): Revert to short matrix format.
7424
7425 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7426             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7427
7428         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7429         warning.
7430
7431 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7432
7433         * graphite.c (nb_data_refs_in_scop): New.
7434         (graphite_transform_loops): Print more stats: number of
7435         loops, basic blocks and data references per scop.
7436
7437 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7438             Jan Sjodin  <jan.sjodin@amd.com>
7439
7440         * graphite.c (loop_affine_expr, idx_record_params,
7441         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7442         instead of instantiate_parameters.
7443
7444 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7445
7446         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7447         add support for parameters, add STATIC_SCHEDULE at the right places,
7448         cleanup.
7449
7450 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7451
7452         * graphite.c (build_scop_loop_nests): Only add the loops, that
7453         are contained completely in the SCoP.
7454         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7455         and the domains are fixed.
7456         (build_scop_canonical_schedules): Add support for bbs not contained
7457         in any SCoP.
7458
7459 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7460
7461         * graphite.h (scop_contains_loop): Update comments to match
7462         the actual behavior.
7463         (scop_contains_loop): New.
7464         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7465
7466 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7467
7468         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7469         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7470         as GBB_COND_HEADER.
7471
7472 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7473             Tobias Grosser  <grosser@fim.uni-passau.de>
7474
7475         * graphite.c (graphite_transform_loops): Early return when
7476         there are no loops in the function.
7477
7478 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7479             Jan Sjodin  <jan.sjodin@amd.com>
7480
7481         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7482         offset of the last loop.
7483         (setup_cloog_loop): Copy the entire outer constraint matrix.
7484
7485 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7486             Jan Sjodin  <jan.sjodin@amd.com>
7487
7488         * graphite.c (stmt_in_scop_p, function_parameter_p,
7489         invariant_in_scop_p): Removed.
7490         (scan_tree_for_params): Can be used with no constraint
7491         matrix for gathering parameters.
7492         (idx_record_params): Don't use idx_record_param, instead use
7493         scan_tree_for_params.
7494         (find_scop_parameters): Same.
7495         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7496         Fix the size of loop domains.
7497         (schedule_to_scattering): Exit when the outer loop is not in scop.
7498         (find_transform): Enable build_cloog_prog.
7499
7500 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7501             Jan Sjodin  <jan.sjodin@amd.com>
7502
7503         * graphite.c (schedule_to_scattering): Make scattering domains
7504         uniformly of the same size, as required by CLooG 0.14.0 and before.
7505
7506 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7507             Jan Sjodin  <jan.sjodin@amd.com>
7508
7509         * graphite.c (schedule_to_scattering): Rewrite, correct the
7510         translation of the scheduling function to scattering.
7511         (build_cloog_prog): Call schedule_to_scattering only once.
7512         * graphite.h (scop_loop_index): Do not fail for loops not
7513         in the scop: return -1.
7514
7515 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7516
7517         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7518         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7519         (setup_cloog_loop): Export GBB_DOMAIN.
7520         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7521         able to rebuild the original control flow.
7522         * graphite.h (graphite_bb): Add domain field and access macro.
7523         (GBB_DOMAIN): New.
7524
7525 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7526
7527         * graphite.c (debug_gbb): New.
7528         (print_scop, build_graphite_bb): Use SCOP_BBS.
7529         (build_scop_bbs): Reimplemented.
7530         (dfs_bb_in_scop_p): Removed.
7531         (build_scop_loop_nests): Reorder loops inserted in
7532         SCOP_LOOP_NEST: outer loops should come first.
7533         (build_scop_canonical_schedules): Reinitialize at zero
7534         the components of the SCOP_STATIC_SCHEDULE for the loops
7535         that have already been parsed.
7536
7537         * graphite.h (debug_gbb): Declared.
7538
7539 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7540             Jan Sjodin  <jan.sjodin@amd.com>
7541
7542         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7543         (graphite_loop_to_gcc_loop): Removed.
7544         (remove_all_edges): New.
7545         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7546         (gloog): Remove useless code.
7547
7548 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7549
7550         * graphite.c (get_bb_type): Reworked. We distinguish between
7551         loops with one or multiple exits.
7552         (is_loop_exit): New.
7553         (is_pred): New.
7554         (is_bb_addable): Rework condition handling, now support for case
7555         case statements and loops with multiple exits.
7556
7557         * gcc.dg/graphite/scop-11.c: New.
7558         * gcc.dg/graphite/scop-12.c: New.
7559         * gcc.dg/graphite/scop-13.c: New.
7560
7561 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7562
7563         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7564         we have too many colors.
7565
7566 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7567
7568         * doc/invoke.texi (-ftree-loop-fusion): Document.
7569         * tree-pass.h (pass_loop_fusion): Declared.
7570         * tree-loop-fusion.c: New.
7571         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7572         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7573         * tree-data-ref.h (find_data_references_in_loop): Declared.
7574         * common.opt (ftree-loop-fusion): Declared.
7575         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7576
7577 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7578
7579         * graphite.c (build_access_matrix): Fix typo from the merge.
7580
7581 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7582
7583         * Merge from mainline (130800:135673).
7584
7585 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7586
7587         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7588         Update dominators after splitting.
7589
7590 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7591
7592         * graphite.c (is_bb_addable): Return the harmful statement.
7593         Factor up some code.
7594         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7595         (build_scops_1): Call end_scop.
7596
7597 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7598
7599         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7600         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7601         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7602         build_scops_1): Removed.
7603         (build_scops_2): Renamed build_scops_1.
7604
7605 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7606
7607         * graphite.c: Fix formatting.
7608
7609 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7610
7611         * graphite.c (get_bb_type): New.
7612         (move_scops): New.
7613         (build_scops_2): New.
7614         (is_bb_addable): New.
7615         (build_scops): Switch the scop detection.
7616         (build_scop_bbs): Add entry bb to scop.
7617         * graphite.h (struct scop): Update comment.
7618
7619 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7620
7621         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7622         more colors.
7623
7624 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7625
7626         * gcc.dg/graphite/scop-1.c: Update.
7627         * gcc.dg/graphite/scop-2.c: Update.
7628         * gcc.dg/graphite/scop-4.c: Update.
7629         * gcc.dg/graphite/scop-5.c: Add.
7630         * gcc.dg/graphite/scop-6.c: Add.
7631
7632 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7633
7634         * gcc.dg/graphite/scop-0.c: Add.
7635         * gcc.dg/graphite/scop-7.c: Add.
7636         * gcc.dg/graphite/scop-8.c: Add.
7637         * gcc.dg/graphite/scop-9.c: Add.
7638         * gcc.dg/graphite/scop-10.c: Add.
7639
7640 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7641
7642         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7643         Check affine expressions depending on the outermost loop
7644         instead of a scop.
7645         (stmt_simple_for_scop_p): Same.
7646         (harmfule_stmt_in_scop): Same.
7647
7648 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7649
7650         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7651         mark entry and exit, that are not part of the SCoP and update HTML
7652         formatting.
7653
7654 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7655
7656         * graphite.c (basic_block_simple_for_scop_p): Renamed
7657         harmful_stmt_in_bb.
7658         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7659         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7660         (all_preds_visited_p, all_succs_visited_p,
7661         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7662         scop_end_loop): New.
7663         (build_scops): Do not use dfs_enumerate_from.
7664
7665         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7666
7667 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7668
7669         * graphite.c: Add comments to functions that are missing a
7670         description.
7671         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7672
7673 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7674
7675         * graphite.c (nb_params_in_scop): Moved...
7676         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7677         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7678         (clast_to_gcc_expression): Reduce column size to less than 80.
7679         (graphite_create_iv): Return the new name of the IV.
7680         (find_transform): Set options->esp and options->cpp.
7681         (gloog): Comment out the invalidation of the old loop code.
7682         (initialize_dependence_polyhedron): Replace scop_nb_params with
7683         nb_params_in_scop.
7684
7685         * graphite.h (nb_params_in_scop): ... here.
7686         (scop_nb_params): Removed.
7687         (loop_domain_dim): Return something even when the loop was not
7688         found in the hash table: avoid ICEing on all the graphite.exp
7689         testcases.
7690
7691 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7692
7693         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7694
7695         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7696         according to nesting level.
7697         (find_scop_parameters): Call instantiate_parameters.
7698         (scan_tree_for_params): Extend it to handle general affine bounds.
7699         Inner loop bound can depend on outer loop induction variable.
7700         (setup_cloog_loop): tmp variable is allocated on stack. Call
7701         instantiate_parameters with respect to outermost_loop_in_scop.
7702         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7703         graphite.h.
7704         (create_empty_loop): Function loopify should be given edge
7705         probability, instead of edge frequency. Dominance relation from
7706         switch_bb to loop_header.
7707         (clast_to_gcc_expression): Added handling of clast_reduction node.
7708         (gloog): New functionality for removing old loop.
7709         (test_dependence): Factored out from build_rdg_all_levels.
7710         (build_rdg_all_levels): Dependence testing factored out to
7711         test_dependence function.
7712
7713         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7714         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7715         from graphite.c
7716
7717 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7718
7719         * graphite.c (free_scop, param_index, initialize_cloog_names,
7720         nb_params_in_scop): Use name_tree map instead of just a tree
7721         for keeping track of the variable name associated to that tree.
7722         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7723         clast_to_gcc_expression, graphite_create_iv,
7724         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7725         graphite_stmt_to_gcc_stmt): New.
7726         (gloog): Call these.
7727         * graphite.h (struct name_tree): New.
7728         (struct scop): Use name_tree instead of tree for params.
7729         Store a vector of name_tree for new_ivs.
7730         (SCOP_NEWIVS): New.
7731         (scop_nb_params): Use name_tree instead of tree.
7732
7733 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7734             Sebastian Pop  <sebastian.pop@amd.com>
7735
7736         * tree-bounds.c: New.
7737         * tree-bounds.h: New.
7738         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7739         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7740         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7741         flag_mudflap.
7742         * gcc.c: Same.
7743         * toplev.c: Same.
7744         * c-cppbuiltin.c: Same.
7745         * c-pragma.c: Same.
7746         * common.opt: Same.
7747         * varasm.c: Same.
7748         * tree-outof-ssa.c: Same.
7749         * c-common.c: Same.
7750         * Makefile.in: Same.
7751
7752 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7753             Sebastian Pop  <sebastian.pop@amd.com>
7754
7755         * tree-loop-distribution.c (remaining_stmts,
7756         upstream_mem_writes): Removed static variables.
7757         (copy_loop_before, create_bb_after_loop,
7758         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7759         rdg_build_components, rdg_build_partitions,
7760         dump_rdg_partitions): Extern.
7761         (generate_loops_for_partition, generate_code_for_partition): Do not
7762         return a bool.
7763         (already_processed_vertex_p, predecessor_has_mem_write,
7764         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7765         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7766         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7767         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7768         Pass remaining_stmts and upstream_mem_writes as parameters.
7769         (rdg_component): Moved...
7770         (build_rdg_partition_for_component): Do not aggregate components when
7771         flag_streamize_loops is set.
7772         (gen_sequential_loops): New.
7773         (ldist_gen): Call gen_sequential_loops.
7774
7775         * tree-pass.h (pass_loop_streamization): Declared.
7776
7777         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7778         basic blocks when loops structures exist.
7779
7780         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7781
7782         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7783
7784         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7785         eliminate_local_variables_stmt, eliminate_local_variables,
7786         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7787         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7788         of code delimited by two edges in the CFG.
7789         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7790         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7791         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7792         the case of parallelisation of reductions.
7793         (create_loop_fn): Extern.
7794         (create_omp_parallel_region): New.
7795
7796         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7797         dump_data_reference for printing dra and drb.
7798         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7799         RDGE_RELATION.
7800         (build_rdg): Don't call free_dependence_relations for the moment, as
7801         we attach dependence relations on each edge of the RDG.
7802         To be fixed later.
7803
7804         * tree-data-ref.h (rdg_component): ...here.
7805         (struct rdg_edge): New field ddr_p relation.
7806         (RDGE_RELATION): New.
7807         (create_bb_after_loop, copy_loop_before,
7808         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7809         rdg_build_partitions, dump_rdg_partitions,
7810         free_rdg_components): Declared.
7811
7812         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7813         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7814
7815         * tree-loop-streamization.c: New.
7816
7817         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7818         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7819
7820         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7821
7822         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7823
7824         * passes.c: Schedule pass_loop_streamization.
7825
7826 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7827
7828         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7829         update comment.
7830
7831 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7832
7833         * graphite.c (dot_all_scops): Update formatting.
7834         Bbs can now be part of more than one SCoP.
7835
7836 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7837
7838         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7839         malloc problems.
7840         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7841         * graphite.h (loop_to_cloog_loop): New.
7842
7843 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7844
7845         * graphite.c (loop_domain_dim, ref_nb_loops,
7846         loop_iteration_vector_dim): New.
7847         (build_access_matrix_with_af, build_access_matrix,
7848         initialize_dependence_polyhedron): Fixed for new matrix layout.
7849         No longer assume that all iteration domains are of the same
7850         dimensionality.
7851
7852 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7853
7854         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7855         defined in a loop at depth 0 is invariant.
7856         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7857         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7858         be called at loop depth 0.
7859
7860         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7861         a parameter.
7862         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7863         (down_open_scop): Removed.
7864         (loop_in_scop_p): Redefined.
7865         (scop_affine_expr): New argument: scop.
7866         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7867         a harmful statement ending a scop.
7868         (basic_block_simple_for_scop_p): New argument: scop.
7869         (get_loop_start): Removed.
7870         (new_scop): Initialize SCOP_LOOPS.
7871         (free_scop): Free SCOP_LOOPS.
7872         (succs_at_same_depth, preds_at_same_depth): New.
7873         (end_scop): Test the validity of a scop.
7874         (add_dominators_to_open_scops): New.
7875         (test_for_scop_bound): Call add_dominators_to_open_scops.
7876         Add cases for opening and closing multiple scops.
7877         (build_scops, build_scop_bbs): Iterate over basic blocks in
7878         depth first order.
7879         (build_graphite_bb): Pass scop directly.
7880         (dfs_bb_in_scop_p): New.
7881         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7882         several times.
7883         (nb_loops_around_gb): Use loop_in_scop_p.
7884         (schedule_to_scattering): Disabled for the moment the code computing
7885         the "textual order for outer loop".
7886
7887         * graphite.h (struct scop): New field loops.
7888         (SCOP_LOOPS): New.
7889         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7890
7891         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7892
7893 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7894             Sebastian Pop  <sebastian.pop@amd.com>
7895
7896         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7897         * common.opt (fstreamize-loops): New.
7898         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7899         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7900         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7901         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7902
7903 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7904
7905         * tree-data-ref.c (build_empty_rdg): New.
7906         (build_rdg): Use it.
7907         * tree-data-ref.h (build_empty_rdg): Declared.
7908         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7909         (find_vertex_for_stmt): Removed.
7910         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7911
7912 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7913
7914         * tree-loop-distribution.c (generate_builtin): After cancelling the
7915         loop tree, also delete basic blocks.
7916         (rdg_flag_uses): Stop recursion when a vertex has already been
7917         processed.
7918
7919 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7920
7921         * graphite.c (build_scop_alpha): Removed.
7922         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7923         and dump_dependence_graph to avoid compiler warnings.
7924
7925 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7926
7927         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7928         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7929         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7930         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7931         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7932         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7933         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7934         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7935         dump_dependence_graph): New.
7936         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7937         (GBB_ALPHA): New.
7938         (struct scop): New field loop2cloog_loop.
7939         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7940         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7941
7942 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7943
7944         * graphite.c (build_graphite_bb): Fix initialization
7945         of the graphite basic block.
7946
7947 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7948
7949         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7950         loop domain matrix.  Pass in the number of loops contained in the
7951         constraint matrix.
7952         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7953         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7954         loops that are not surrounding the current loop are not represented
7955         in the domain constraint matrix.
7956         (build_scop_iteration_domain): Initial domain constraint matrix
7957         contains only the eq/ineq, cst, and scop parameters columns.
7958
7959 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7960
7961         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7962         (print_graphite_bb): Print scattering.
7963
7964 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7965
7966         * graphite.c (initialize_cloog_names): Initialize names of
7967         scattering variables.
7968
7969 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7970
7971         * graphite.c (dot_all_scops_1): Disable debug output while
7972         printing graph.
7973
7974 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7975
7976         * graphite.c (find_transform): Change cloog output language to C.
7977
7978 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7979
7980         * tree-loop-distribution.c (generate_memset_zero,
7981         generate_builtin, generate_code_for_partition,
7982         rdg_flag_all_uses): New.
7983         (rdg_flag_uses): Gather in the same partition the statements defining
7984         the VUSES of the current statement.
7985         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7986         Gather in the same partition not only the stores to the same memory
7987         access, but also the reads.
7988         (ldist_generate_loops): Renamed ldist_gen.
7989
7990 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7991             Tobias Grosser  <grosser@fmi.uni-passau.de>
7992
7993         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7994         next pointer, don't use the inner pointer.
7995
7996 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7997
7998         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7999         (find_transform): Call dot_all_1.
8000         * graphite.h (dot_all_scops): Declared.
8001
8002 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8003
8004         * tree-loop-distribution.c: Fix apsi.f ICE.
8005         (create_bb_after_loop): New.
8006         (generate_loops_for_partition): Use it.
8007         * gfortran.dg/ldist-1.f90: New.
8008
8009         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8010         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8011
8012 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8013
8014         * graphite.c (find_transform): Dump cloog program sent to cloog.
8015
8016 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8017
8018         * graphite.c (initialize_cloog_names): Initialize cloog
8019         iterator names.
8020
8021 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8022
8023         * graphite.c (build_scop_context): Fix typo, for the matrix
8024         format: insert '0 >= 0' instead of '-1 >= 0'.
8025
8026 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8027
8028         * Fix merge problems.
8029
8030 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8031
8032         * graphite.c (setup_cloog_loop): Fix typo.
8033
8034 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8035
8036         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8037         * tree-loop-distribution.c: Reimplemented.
8038         * tree-pass.h (pass_loop_distribution): New.
8039         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8040         print_loops.
8041         * graphds.h (struct graph): New field indexes.
8042         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8043
8044         * tree-vect-analyze.c: Remove declaration of static functions when not
8045         needed.
8046         * tree-vectorizer.c: Same.
8047         (rename_variables_in_loop): Now extern.
8048         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8049         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8050         calling redirect_edge_and_branch_force.
8051
8052         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8053
8054         * tree-data-ref.c: Don't include tree-chrec.h.
8055         (debug_data_dependence_relations): New.
8056         (dump_data_dependence_relation): Call dump_data_reference on data refs
8057         in the relation.
8058         (same_access_functions): Moved...
8059         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8060         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8061         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8062         struct rdg_vertex_info, ): New.
8063         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8064         at DDR_REVERSED_P.
8065         (create_rdg_vertices): Initialize the htab of graph->indexes.
8066         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8067         (stmts_from_loop): Don't save LABEL_EXPR.
8068         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8069         hash_stmt_vertex_del): New.
8070         (build_rdg): Initialize rdg->indexes.
8071         (free_rdg, stores_from_loop, ref_base_address,
8072         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8073         have_similar_memory_accesses_1, ref_base_address_1,
8074         remove_similar_memory_refs): New.
8075
8076         * tree-data-ref.h: Include tree-chrec.h.
8077         (debug_data_dependence_relations): Declared.
8078         (same_access_functions): ...here.  Now static inline.
8079         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8080         ddr_dependence_level): New.
8081         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8082         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8083         RDG_MEM_READS_STMT): New.
8084         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8085         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8086         rdg_vertex_for_stmt): Declared.
8087         (struct rdg_edge): New field level.
8088         (RDGE_LEVEL, free_rdg): New.
8089         (stores_from_loop, remove_similar_memory_refs,
8090         rdg_defs_used_in_other_loops_p,
8091         have_similar_memory_accesses): Declared.
8092         (rdg_has_similar_memory_accesses): New.
8093
8094         * lambda.h (dependence_level): New.
8095         * common.opt (ftree-loop-distribution): New.
8096         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8097         (print_loop_ir): Renamed print_loops.
8098         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8099         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8100         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8101         (tree-loop-distribution.o): Added.
8102         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8103         (mark_virtual_ops_in_bb): New.
8104         (print_loops_bb, debug_loop_num, debug_loop): New.
8105         * passes.c: Scheduled pass_loop_distribution.
8106
8107 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8108
8109         * graphite.c (scan_tree_for_params): Correct the number of columns
8110         for polylib format.
8111         (nb_flat_iterator): New.
8112         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8113         (build_scop_iteration_domain): Correct the number of columns for
8114         polylib format.
8115
8116 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8117
8118         * Merge from mainline (129697:130800).
8119
8120 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8121
8122         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8123         dominated by SCoP's exit.
8124         (graphite_transform_loops): Compute post dominators.
8125
8126 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8127
8128         * Merge from mainline (127169:129697).
8129
8130 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8131
8132         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8133         parameter for the basic block that contains the expression.  Use
8134         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8135         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8136         the expression.
8137         * graphite.h (gbb_loop): New.
8138         (GBB_LOOP): Removed.
8139
8140 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8141
8142         * Makefile.in: Fix merge problem.
8143
8144 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8145
8146         * Merge from mainline (125309:127169).
8147         * tree-loop-distribution.c: Disabled.
8148
8149 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8150
8151         * Merge from mainline (r123693:125309).
8152
8153 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8154
8155         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8156         correct_modify_p
8157         (correct_modify_p, check_statements, number_of_lvalue_uses,
8158         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8159         instead of MODIFY_EXPR.
8160         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8161         and push new edges.
8162
8163 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8164
8165         * tree-loop-distribution.c (struct rdg): Replace arrays by
8166         VECs for edges and vertices.
8167         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8168         (RDGV_NB_PARTITIONS): New.
8169         (PRDG_NBV, PRDG_NBE): Removed.
8170         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8171         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8172         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8173
8174 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8175             Sebastian Pop  <sebpop@gmail.com>
8176
8177         * doc/invoke.texi (-ftree-loop-distribution): Document.
8178         * tree-loop-distribution.c: New file.
8179         * tree-pass.h (pass_loop_distribution): Declared.
8180         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8181         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8182         and set reversed_p.
8183         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8184         (DDR_REVERSED_P): New.
8185         * common.opt (-ftree-loop-distribution): New.
8186         * tree-flow.h (distribute_loops): Declared.
8187         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8188         * passes.c (init_optimization_passes): Schedule loop distribution.
8189
8190 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8191
8192         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8193         (print_scop): Don't print when scop is NULL.
8194         (build_scop_context, find_transform): Don't output to stderr.
8195
8196 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8197
8198         * tree-data-ref.c: Don't include graphite.h.
8199         Comment out the code for printing data reference's scop.
8200         (build_access_matrix_with_af): Moved...
8201         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8202         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8203         (print_graphite_bb): Print basic block's schedule.
8204         (print_scop): Don't print the schedule, call cloog's pretty printer.
8205         (bb_in_scop_p): A basic block is in a scop only if it is both
8206         dominated and postdominated by the scop's entry and exit basic blocks.
8207         (function_parameter_p): New.
8208         (invariant_in_scop_p): Use function_parameter_p.
8209         (new_scop, save_scop): New.
8210         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8211         save_scop.
8212         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8213         (loop_in_scop_p): New.
8214         (scop_record_loop): Use loop_in_scop_p.
8215         (build_scop_domain): Renamed build_scop_iteration_domain.
8216         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8217         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8218         setup_cloog_loop, dot_scop_1, dot_scop): New.
8219         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8220         (struct scop): Add a pointer to cloog's representation of a program.
8221
8222 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8223
8224         * doc/invoke.texi (-ftree-check-verbose): Renamed
8225         -ftree-checks-verbose.
8226         * common.opt (flag_tree_check_verbose): Renamed
8227         flag_tree_checks_verbose.
8228         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8229
8230 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8231
8232         * configure: Regenerated.
8233         * config.in: Regenerated.
8234         * tree-ssa-loop.c (graphite_transforms): Execute
8235         graphite_transform_loops only when HAVE_cloog.
8236         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8237         * graphite.c: Include polylibgmp.h and cloog.h.
8238         (graphite_transform_loops): Removed loops parameter.
8239         * tree-flow.h (graphite_transform_loops): Update declaration.
8240         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8241         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8242         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8243         (OBJS-common): Remove dependence on graphite.o.
8244         (BACKEND): Depend on @GRAPHITE@.
8245
8246 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8247
8248         * doc/invoke.texi (-ftree-check-verbose): Documented.
8249         * gcc.dg/tree-checker/tree-checks-1.c: New.
8250         * gcc.dg/tree-checker/tree-checks-2.c: New.
8251         * gcc.dg/tree-checker/tree-checks-3.c: New.
8252         * gcc.dg/tree-checker/tree-checks-4.c: New.
8253         * gcc.dg/tree-checker/tree-checks.exp: New.
8254         * gcc.dg/tree-checker/condates.crp: New.
8255         * common.opt (ftree-checks-verbose): New.
8256         * tree-check.c (tree_check_warning): Move extra stderr output
8257         under control of flag_tree_check_verbose.
8258
8259 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8260
8261         * tree-match.c: Fix comments formatting.
8262         * tree-match.h: Fix comments formatting.
8263         * tree-check.c: Fix comments formatting.
8264         (tree_check_init): Restructure.
8265
8266 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8267
8268         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8269
8270 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8271
8272         * Merge from mainline (r120733:123693).
8273
8274 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8275
8276         * condate.y: New file.
8277         * tree-match.h (struct patt_info_s): New field sign.
8278         (struct condate_s): New field msg.
8279         (normalize_condate, name_condate, add_condate): New.
8280         (conds[], condate_parse): Made extern.
8281         * tree-check.c (tree_check_warning): First arg changed to cond;
8282         warning reformatted.
8283         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8284         (tree_scan): New.
8285         (tree_check): Process trivial condates.
8286         (read_delimited_string): Removed.
8287         (print_cond): Print name and msg.
8288         (conds[]): Made extern.
8289         (parse_tree_check_file_once): Rewritten to use the parser in
8290         condate.y.
8291         Processing of option --tree_check_string moved to tree_scan().
8292         * Makefile.in: Added condate.y
8293
8294 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8295
8296         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8297         Use VECs instead of varrays.
8298         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8299         * Makefile.in (pretty-print.o): Depend on vec.h.
8300         * pretty-print.c: Include tree.h and vec.h.
8301         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8302         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8303         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8304         pp_free_list): Use VECs instead of varrays.
8305         * pretty-print.h: Do not include varray.h.
8306         (struct tree_chunk_s): Declaration moved before its use.
8307         (output_buffer): Rename varray field to chunks.
8308         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8309         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8310         save_global_holes): Use VECs instead of varrays.
8311         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8312         * tree-check.c (scan_cfg_stmts, push_node,
8313         print_matching_stmt): Removed.
8314         (tree_check_instance, push_global_holes_if_new, tree_check,
8315         execute_tree_check): Use VECs instead of varrays.
8316         (gate_tree_check): Don't execute the CFG check when basic_block_info
8317         is not available.
8318
8319 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8320
8321         * Merge from mainline (r115016:120733).
8322
8323 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8324
8325         * Merge from mainline (r117632:117661).
8326
8327 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8328
8329         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8330         * tree-pass.h (TDF_DEBUG, debug_p): New.
8331         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8332         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8333         get_loop_exit_condition, analyze_evolution_in_loop,
8334         analyze_initial_condition, analyze_scalar_evolution,
8335         instantiate_parameters, number_of_latch_executions): Use debug_p.
8336         * tree-chrec.c (chrec_apply): Use debug_p.
8337         * tree-data-ref.c: Include graphite.h.
8338         (dump_data_reference): Print also the access matrix.
8339         (analyze_array, analyze_indirect_ref, init_data_ref,
8340         analyze_offset_expr, address_analysis, object_analysis,
8341         create_data_ref, finalize_ddr_dependent,
8342         non_affine_dependence_relation, analyze_ziv_subscript,
8343         analyze_siv_subscript_cst_affine,
8344         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8345         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8346         analyze_miv_subscript, analyze_overlapping_iterations,
8347         build_classic_dist_vector, subscript_dependence_tester,
8348         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8349         (build_access_matrix_with_af): No longer static.
8350         * tree-data-ref.h (scop_p): ... declaration here.
8351         (data_reference.scop): New field.
8352         (DR_SCOP, DR_ACCESS_MATRIX): New.
8353         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8354         * graphite.c (print_graphite_bb): Call dump_data_references.
8355         (print_scop): Use scop_nb_loops and scop_dim_domain.
8356         (test_for_scop_bound): Use debug_p.
8357         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8358         scop_nb_params.
8359         (scop_loop_index): Moved...
8360         (scop_record_loop): New.
8361         (build_scop_loop_nests): Use scop_record_loop.
8362         (build_scop_domain): Use scop_dim_domain.
8363         (build_access_matrix): Implemented.
8364         (build_scop_canonical_schedules): Use scop_nb_loops.
8365         (build_graphite_bb): Initialize GBB_SCOP.
8366         * graphite.h (scop_p): Moved...
8367         (graphite_bb.scop): New field.
8368         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8369         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8370         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8371         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8372         scop_loop_index): New.
8373         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8374
8375 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8376
8377         * Merge from mainline (r117661:120450).
8378
8379 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8380
8381         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8382         at the first declaration outside the varying loop, instantiate as
8383         far as possible.
8384         * tree-chrec.c (for_each_scev_op): New.
8385         * tree-chrec.h (for_each_scev_op): Declared.
8386         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8387         * tree-data-ref.c (get_references_in_stmt,
8388         find_data_references_in_stmt): New, from trunk.
8389         (find_data_references_in_loop): Use get_references_in_stmt
8390         and find_data_references_in_loop, modified as in trunk.
8391         (build_access_matrix_with_af): New.
8392         * tree-data-ref.h (data_reference): Add a field access_matrix.
8393         (data_ref_loc): New, as in trunk.
8394         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8395         invariant_in_scop_p, param_index, scan_tree_for_params,
8396         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8397         idx_record_param, idx_record_params, build_access_matrix,
8398         build_scop_data_accesses, build_scop_canonical_schedules,
8399         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8400         build_scop_params): New.
8401         * graphite.h (graphite_bb): New.
8402         (scop): Add fields static_schedule, params, loop_nest,
8403         iteration_domain.
8404         * lambda.h: Declare vecs of lambda_matrix.
8405         * tree-flow.h (print_loop_ir_bb): Declared.
8406         * tree-cfg.c (print_loop_ir_bb): New.
8407         (print_loop): Use print_loop_ir_bb.
8408
8409 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8410
8411         * Merge from mainline (r115016:117632).
8412
8413 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8414
8415         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8416         break due to a warning.
8417
8418 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8419
8420         * graphite.c (print_scops, debug_scops): New.
8421         (graphite_transform): Renamed graphite_find_transform.
8422         * graphite.h (debug_scops): Declared.
8423
8424 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8425
8426         * tree-match.c: Reformat following the GNU style.
8427         * tree-match.h: Reformat following the GNU style.
8428         * tree-pattern.h: Removed empty file.
8429         * Makefile.in: Remove references to tree-pattern.h.
8430         * tree-check.c: Reformat following the GNU style.
8431         (execute_tree_check): Move gate condition code to...
8432         (gate_tree_check): ...here.  New function.
8433         (pass_check): Use the gate function.
8434
8435 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8436
8437         * tree-pattern.h: New. Tree pattern matching and checking using
8438         concrete syntax.
8439         * tree-check.c: New. Tree/CFG checking pass.
8440         * tree-match.c: New. Library for tree pattern matching.
8441         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8442         * toplev.c, flags.h: Add globals for tree-check pass.
8443         * Makefile.in: Integrate the files in tree-check pass.
8444         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8445         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8446         Introduce a "lazy" pretty-print mode.
8447         * tree.c, tree.h: Add tree_name.
8448
8449 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8450
8451         * doc/invoke.texi (-fgraphite): Correct typo.
8452         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8453         use of print_loop_ir.
8454         * gcc.dg/graphite/scop-1.c: New.
8455         * gcc.dg/graphite/scop-2.c: New.
8456         * gcc.dg/graphite/graphite.exp: New.
8457         * graphite.c: Include domwalk.h.
8458         (print_scop): Print only the entry and exit blocks.
8459         (debug_scop): No longer static.
8460         (affine_expr): Fix formating.  Return also true when the expression is
8461         constant.
8462         (stmt_simple_for_scop_p): Fix formating.
8463         (build_scops): Use domwalk.
8464         (get_loop_start, end_scop, test_for_scop_bound): New.
8465         (graphite_transform_loops): Avoid printing on stderr.
8466         * graphite.h (debug_scop): Declared.
8467         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8468         * Makefile.in (graphite.o): Depend on domwalk.h.
8469         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8470         declarations for static functions.
8471         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8472         controlling output verbosity.
8473
8474 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8475             Plesco Alexandru  <shurikx@gmail.com>
8476
8477         * doc/invoke.texi (-fgraphite): Document.
8478         * tree-pass.h (pass_graphite_transforms): Declared.
8479         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8480         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8481         (pass_graphite_transforms): Defined.
8482         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8483         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8484         * graphite.c, graphite.h: New.
8485         * common.opt (fgraphite): Declared.
8486         * tree-flow.h (graphite_transform_loops): Declared.
8487         * Makefile.in (OBJS-common): Add graphite.o.
8488         (graphite.o): New rule.
8489         * passes.c (pass_graphite_transforms): Scheduled.
8490