OSDN Git Service

2009-09-01 Sebastian Pop <sebastian.pop@amd.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * tree-scalar-evolution.c (instantiate_scev_name): New.
4         (instantiate_scev_1): Move code in instantiate_scev_name.
5
6 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
7
8         * Merge from mainline (150992:151171).
9
10 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
11
12         * graphite-dependences.c (graphite_legal_transform_bb): Call
13         pbb_remove_duplicate_pdrs.
14         * graphite-poly.c (can_collapse_pdr): Removed.
15         (pdr_find_duplicate): Removed.
16         (can_collapse_pdrs): New.
17         (pbb_remove_duplicate_pdrs): New.
18         (new_poly_dr): Do not look for duplicates.
19         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
20         (PBB_PDR_DUPLICATES_REMOVED): New.
21         (pbb_remove_duplicate_pdrs): Declared.
22
23 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
24
25         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
26         the strides by multiplying by PDR_NB_REFS.
27         * graphite-poly.c (can_collapse_pdr): New.
28         (pdr_find_duplicate): New.
29         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
30         Initialize PDR_NB_REFS.
31         * graphite-poly.h (struct poly_dr): Add field nb_refs.
32         (PDR_NB_REFS): New.
33         (new_poly_dr): Number of subscripts is a graphite_dim_t.
34
35 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
36
37         Revert one of the previous commits:
38         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
39         the computation of symmetric data dependence relations.
40         (dependency_between_pbbs_p): Same.
41
42 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
43
44         PR middle-end/40965
45         * graphite-poly.c (apply_poly_transforms): Remove legality test before
46         any transform.
47
48 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
49
50         * graphite-dependences.c (pddr_original_scattering): Return NULL
51         for read-read dependence relations.
52         * graphite-poly.h (enum poly_dr_type): Fix comment.
53         (pdr_read_p): New.
54         (pdr_write_p): New.
55         (pdr_may_write_p): New.
56
57 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
58
59         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
60         (struct poly_dr): Same.
61         (new_poly_dr): Same.
62         * graphite-poly.c (new_poly_dr): Same.
63
64 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
65             Sebastian Pop  <sebastian.pop@amd.com>
66
67         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
68         pbb_strip_mine_time_depth.  Changed the implementation so that
69         transformation is expressed as a transformation on
70         time (scatttering) dimensions.  Also, ensures that the 2d+1
71         scheduling format is preserved.
72         (pbb_strip_mine_profitable_p): Profitability is based on the
73         iteration number of a given time (scattering) dimension,
74         and not on a original loop depth dimension.
75         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
76         (pbb_do_strip_mine): Call psct_dynamic_dim.
77         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
78         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
79         (pbb_nb_dynamic_scattering_transform): New.
80         (psct_dynamic_dim): New.
81
82 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
83
84         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
85         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
86         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
87         * graphite-interchange.c (build_linearized_memory_access): Same.
88         (memory_stride_in_loop): Same.
89
90 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
91
92         * graphite-dependences.c (pddr_original_scattering): New.
93         (graphite_legal_transform_dr): Call pddr_original_scattering.
94         (dot_deps_1): New.
95         (dot_deps): New.
96         * graphite-dependences.h (dot_deps): Declared.
97         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
98         (print_pdr): Print PDR_ID.
99         * graphite-poly.h (struct poly_dr): Add field id.
100         (PDR_ID): New.
101         (pbb_index): New.
102         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
103
104 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
105
106         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
107         not delete the original dependence relation.
108
109 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
110
111         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
112         the computation of symmetric data dependence relations.
113         (dependency_between_pbbs_p): Same.
114
115 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
116
117         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
118         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
119         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
120         (free_poly_ddr): New.
121         (pddr_is_empty): New.
122         (dependence_polyhedron_1): Now returns a poly_ddr_p.
123         (dependence_polyhedron): Same.  Remove useless gcc_assert.
124         Remove fprintfs.
125         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
126         (graphite_carried_dependence_level_k): Call pddr_is_empty.
127         * graphite-dependences.h (enum poly_dependence_kind): New.
128         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
129         (PDRP_SOURCE): Renamed PDDR_SOURCE.
130         (PDRP_SINK): Renamed PDDR_SINK.
131         (PDRP_DDP): Renamed PDDR_DDP.
132         (PDDR_KIND): New.
133         (free_poly_ddr): Declared.
134         * graphite-poly.c (new_scop): Use the new hash function names.
135         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
136         into original_pddrs.
137         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
138
139 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
140
141         * Merge from mainline (150764:150992).
142
143 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
144
145         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
146         bounds with LT_EXPR to make niter analysis more precise on code
147         generated by Graphite.
148
149 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
150
151         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
152         (graphite_legal_transform_bb): Same.
153         (poly_drs_may_alias_p): Same.
154
155 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
156
157         PR middle-end/40981
158         * graphite-ppl.c (ppl_max_for_le): Correct the use of
159         ppl_Pointset_Powerset_C_Polyhedron_maximize.
160
161 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
162
163         * graphite-poly.c (print_pbb): Print PBB index.
164
165 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
166
167         * Merge from mainline (r150672:150764).
168
169 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
170
171         * graphite-interchange.c (ppl_max_for_le): Moved...
172         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
173         * graphite-ppl.c (ppl_max_for_le): ... here.
174         * graphite-ppl.h (ppl_max_for_le): Declared.
175
176 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
177
178         * Merge from mainline (r150372:150672).
179
180 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
181
182         PR middle-end/40980
183         * sese.c (convert_for_phi_arg): New.
184         (add_guard_exit_phis): Use convert_for_phi_arg.
185
186         * testsuite/gfortran.dg/graphite/id-17.f: New.
187
188 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
189
190         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
191         unknown subscript upper bounds.
192
193         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
194
195 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
196             Pranav Garg  <pranav.garg2107@gmail.com>
197
198         * graphite-interchange.c (gather_access_strides): Removed.
199         (ppl_max_for_le): New.
200         (build_linearized_memory_access): New.
201         (memory_stride_in_loop): New.
202         (pbb_interchange_profitable_p): Reimplemented.
203         * graphite-ppl.h (ppl_new_id_map): New.
204         (ppl_interchange): New.
205
206         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
207
208 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
209
210         * graphite-interchange.c (compute_subscript): Removed.
211         (compute_array_size_cstr): Removed.
212         (compute_array_size_poly): Removed.
213         (compute_array_size): Removed.
214         (gather_access_strides_poly): Removed.
215         (gather_access_strides): Empty.
216
217 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
218
219         * graphite-dependences.c (dependence_polyhedron_1): Replace
220         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
221         (graphite_legal_transform_dr): Same.
222         (graphite_carried_dependence_level_k): Same.
223         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
224         Initialize PDR_NB_SUBSCRIPTS.
225         (print_pdr_access_layout): Replace pdr_nb_subscripts with
226         PDR_NB_SUBSCRIPTS.
227         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
228         (PDR_NB_SUBSCRIPTS): New.
229         (pdr_nb_subscripts): Removed.
230         (pdr_dim): Simplified.
231         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
232         with PDR_NB_SUBSCRIPTS.
233
234 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
235
236         * graphite-interchange.c (compute_array_size): Remove use of
237         PDR_DATA_CONTAINER.
238         * graphite-poly.c (new_poly_dr): Remove argument data_container.
239         Do not initialize PDR_DATA_CONTAINER.
240         (print_pdr): Do not print PDR_DATA_CONTAINER.
241         * graphite-poly.h (struct poly_dr): Remove data_container field.
242         (PDR_DATA_CONTAINER): Removed.
243         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
244         PDR_DATA_CONTAINER.
245         (build_poly_dr): Same.
246
247 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
248
249         * testsuite/gcc.dg/graphite/interchange-9.c: New.
250
251 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
252             Sebastian Pop  <sebastian.pop@amd.com>
253
254         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
255         copy of the dependence polyhedron.  Free the temporary objects.
256         (graphite_carried_dependence_level_k): Free unused objects before
257         returning.
258
259         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
260         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
261         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
262         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
263         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
264
265 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
266
267         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
268         Early return without analyzing the data dependences if no
269         transform has been done.  Call restore_scattering if the transform
270         is not legal.
271         (graphite-interchange.c): Same.
272         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
273         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
274         (apply_poly_transforms): Do not gcc_assert that
275         the transform is legal.
276         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
277         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
278         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
279         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
280         * graphite-poly.h (struct poly_scattering): New.
281         (struct poly_bb): Add original, transformed, and saved fields.
282         Remove transformed_scattering, original_scattering, nb_local_variables,
283         and nb_scattering_transform fields.
284         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
285         (poly_scattering_new): New.
286         (poly_scattering_free): New.
287         (poly_scattering_copy): New.
288         (store_scattering_pbb): New.
289         (store_scattering): New.
290         (restore_scattering_pbb): New.
291         (restore_scattering): New.
292         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
293         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
294
295 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
296
297         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
298         (print_scop): Same.
299
300 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
301
302         * Makefile.in (graphite.o): Depends on PREDICT_H.
303         * graphite.c: Include predict.h.
304         (graphite_finalize): Call tree_estimate_probability.
305         * predict.c (predict_loops): Do not call scev_initialize and
306         scev_finalize.
307         (tree_estimate_probability_bb): New.
308         (tree_estimate_probability): Do not initialize loops: move that
309         code to the driver.  Call tree_estimate_probability_bb.
310         (tree_estimate_probability_driver): New.
311         (pass_profile): Use tree_estimate_probability_driver.
312         * predict.h (tree_estimate_probability): Declared.
313
314 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
315
316         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
317         * graphite-dependences.c (graphite_legal_transform): Add time to
318         TV_GRAPHITE_DATA_DEPS.
319         (dependency_between_pbbs_p): Same.
320         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
321
322 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
323
324         * Merge from mainline (r149952:150372).
325
326 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
327
328         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
329         * graphite-blocking.c: Same.
330         * graphite-clast-to-gimple.c: Same.
331         * graphite-dependences.c: Same.
332         * graphite-poly.c: Same.
333         * graphite-poly.h: Same.
334         * graphite-ppl.c: Same.
335         * graphite-scop-detection.c: Same.
336         * graphite-sese-to-poly.c: Same.
337         * graphite.c: Same.
338
339 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
340
341         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
342         (remove_simple_copy_phi): New.
343         (remove_invariant_phi): New.
344         (simple_copy_phi_p): New.
345         (reduction_phi_p): New.
346         (gsi_for_ssa_name_def): New.
347         (insert_out_of_ssa_copy): New.
348         (insert_out_of_ssa_copy_on_edge): New.
349         (create_zero_dim_array): New.
350         (scalar_close_phi_node_p): New.
351         (rewrite_close_phi_out_of_ssa): New.
352         (rewrite_phi_out_of_ssa): New.
353         (rewrite_reductions_out_of_ssa): New.
354         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
355
356         * testsuite/gcc.dg/graphite/id-11.c: New.
357         * testsuite/gcc.dg/graphite/id-15.c: New.
358         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
359         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
360         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
361         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
362         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
363         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
364         * testsuite/gfortran.dg/graphite/id-13.f: New.
365         * testsuite/gfortran.dg/graphite/id-5.f: New.
366
367 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
368
369         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
370         check that nb_reductions_in_loop is zero.
371         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
372         reduction phi nodes.
373         (nb_reductions_in_loop): Removed.
374         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
375         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
376         (bb_contains_non_iv_scalar_phi_nodes): Removed.
377         (scop_contains_non_iv_scalar_phi_nodes): Removed.
378         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
379
380 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
381
382         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
383         statements that have an empty iteration domain.
384         * testsuite/gfortran.dg/graphite/id-16.f: New.
385
386 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
387
388         * tree-scalar-evolution.c (instantiate_scev_1): Return
389         chrec_dont_know when the result is not above instantiate_below.
390         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
391         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
392         the tree has a known scalar evolution.
393         * testsuite/gfortran.dg/graphite/id-14.f: New.
394         * testsuite/gfortran.dg/graphite/id-15.f: New.
395
396 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
397
398         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
399         insert_gsi.
400         (rename_variables): Keep inserting renames after the ones already
401         inserted.
402
403 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
404
405         * graphite-sese-to-poly.c (compare_bb_depths): New.
406         (graphite_sort_dominated_info): New.
407         (build_scop_bbs_1): Call graphite_sort_dominated_info.
408         (build_scop_scattering): Fix comment.
409
410 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
411
412         * graphite.c (graphite_finalize): Call print_loops instead of
413         dump_function_to_file.
414         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
415         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
416         loops generated in the graphite output file.
417         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
418         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
419         * testsuite/gfortran.dg/graphite/id-12.f: New.
420
421 2009-07-24  Li Feng  <nemokingdom@gmail.com>
422
423         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
424         Remove 2 XFAIL.
425
426 2009-07-24  Li Feng  <nemokingdom@gmail.com>
427             Tobias Grosser  <grosser@fim.uni-passau.de>
428
429         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
430         alias set number build alias in ACCESSES polyhedron.
431         (build_alias_set_for_drs): New.
432         (build_pbb_drs): Added build_alias_set_for_drs.
433         * graphite-dependences.c (poly_drs_may_alias_p): New.
434         (graphite_carried_dependence_level_k): Check alias information
435         before building polyhedron.
436
437 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
438
439         * Makefile.in (lambda-code.o): Fix formatting.
440
441 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
442
443         * Merge from mainline (r149350-149952)
444
445 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
446
447         * graphite-poly.c (apply_poly_transforms): Move strip_mine
448         before interchange to prepare for loop blocking.
449
450 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
451
452         * graphite-poly.c (apply_poly_transforms): Add checks after every
453         transformation.
454         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
455         done in apply_poly_transforms.
456
457 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
458
459         * graphite-dependences.c (build_lexicographically_gt_constraint):
460         Replace RES parameter with *RES.
461         (dependence_polyhedron_1): Pass an address of the parameter RES
462         instead of value of RES.
463
464 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
465
466         * graphite.c (graphite_finalize): Fix comment.
467         (graphite_transform_loops): Reset scev info after code generation
468         of each scop.
469
470 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
471
472         * graphite.c (graphite_finalize): Call scev_reset.
473
474 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
475
476         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
477         GBB_CLOOG_IV_TYPES hash table twice.
478         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
479         (add_condition_to_domain): Clear GMP values.
480
481 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
482
483         * graphite-dependences.c: Fix formatting.
484         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
485         (pbb_number_of_iterations): Free ppl_Linear_Expression.
486         * graphite-sese-to-poly.c: Fix formatting.
487         * graphite.c (graphite_transform_loops): Create the hash table
488         after the early return.
489
490 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
491
492         * testsuite/gcc.dg/graphite/id-14.c: New.
493         * testsuite/gcc.dg/graphite/pr40157.c: New.
494         * testsuite/gfortran.dg/graphite/id-11.f: New.
495
496 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
497
498         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
499         (build_poly_scop): Return false when there are no pbbs within
500         loops to avoid to pass to cloog scops with no loops.
501
502 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
503
504         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
505         useless test "i % 2".
506         (build_pbb_scattering_polyhedrons): Fix formatting.
507         (build_poly_dr): Same.
508         * graphite.c (graphite_transform_loops): Restructure.
509
510 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
511
512         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
513         reduction_list parameter.
514         (rewrite_all_phi_nodes_with_iv): Same.
515         (canonicalize_loop_ivs): Same.
516         * tree-parloops.c (struct brli): Removed.
517         (build_reduction_list_info): Removed.
518         (build_new_reduction): New.
519         (analyze_reduction_list): Removed.
520         (gather_scalar_reductions): Find reductions instead of phi
521         nodes that can't be canonicalized.
522         (try_create_reduction_list): Remove reduction_list parameter.
523         (gen_parallel_loop): Same.
524         (parallelize_loops): Remove analyze_reductions variable,
525         initialization and free.
526         Change reduction_list htab initialization to reduction_info
527         elements instead of ssa names.
528         Call try_create_reduction_list and gen_parallel_loop without
529         analyzed_reduction argument.
530         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
531         canonicalize_loop_ivs with one less argument.
532         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
533
534 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
535
536         * graphite-dependences.c (new_poly_dr_pair): New.
537         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
538         (new_poly_dr_pair): New.
539         (eq_poly_dr_pair_p): New.
540         (hash_poly_dr_pair_p): New.
541         * graphite-dependences.h (struct poly_dr_pair): New.
542         (eq_poly_dr_pair_p): Declared.
543         (hash_poly_dr_pair_p): Declared.
544         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
545         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
546         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
547         * Makefile.in (graphite-poly.o): Add dependence on
548         graphite-dependences.h.
549
550 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
551
552         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
553         polynomials of degree > 1 pass to Graphite.
554         * tree-chrec.c (scev_is_linear_expression): Call
555         evolution_function_is_affine_multivariate_p.
556         * testsuite/gfortran.dg/graphite/id-10.f90: New.
557
558 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
559
560         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
561         Instantiate scevs varying in outer loops.
562         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
563
564 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
565
566         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
567         redundant constraint.
568
569 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
570
571         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
572         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
573         based on the file names as in the C testsuite.
574         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
575         * testsuite/gfortran.dg/graphite/block-2.f: Same.
576         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
577         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
578         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
579         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
580         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
581         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
582         * testsuite/gfortran.dg/graphite/id-6.f: Same.
583         * testsuite/gfortran.dg/graphite/id-9.f: Same.
584         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
585         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
586         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
587
588 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
589
590         * sese.c (expand_scalar_variables_call): New.
591         (expand_scalar_variables_ssa_name): Handle calls in expander.
592
593 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
594
595         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
596         Expect to see the pattern twice.
597         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
598         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
599         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
600
601 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
602
603         * testsuite/gcc.dg/graphite/id-10.c: New.
604         * testsuite/gcc.dg/graphite/id-12.c: New.
605         * testsuite/gfortran.dg/graphite/id-7.f: New.
606         * testsuite/gfortran.dg/graphite/id-8.f: New.
607
608 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
609
610         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
611         zero.
612
613 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
614
615         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
616
617 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
618
619         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
620
621 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
622
623         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
624         building PDR subscripts.
625
626 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
627
628         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
629         computation of array sizes.
630
631 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
632
633         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
634
635 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
636
637         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
638         build_pairwise_constraint, dr_equality_constraints,
639         build_pairwise_scheduling_equality,
640         build_pairwise_scheduling_inequality, lexicographically_gt_p,
641         build_lexicographically_gt_constraint, dependence_polyhedron,
642         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
643         Move from NNC_Polyhedron to C_Polyhedron.
644         * graphite-interchange.c (compute_array_size_poly,
645         gather_access_strides): Dito.
646         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
647         free_scop, pbb_number_of_iterations): Dito.
648         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
649         pbb_dim_iter_domain, struct scop): Dito.
650         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
651         new_Cloog_Domain_from_ppl_Polyhedron,
652         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
653         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
654         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
655         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
656         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
657         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
658         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
659         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
660         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
661         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
662         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
663         build_scop_iteration_domain, build_poly_dr): Dito
664
665 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
666
667         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
668         run-id-*.c files.
669         * testsuite/gcc.dg/graphite/run-id-1.c: New.
670
671 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
672
673         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
674         positivity constraint on the symbolic number of iterations.
675
676 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
677
678         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
679
680 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
681             Tobias Grosser  <grosser@fim.uni-passau.de>
682
683         * graphite-clast-to-gimple.c (build_scop_context): Removed.
684         (build_cloog_prog): Directly use SCOP_CONTEXT.
685         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
686         (free_scop): Free SCOP_CONTEXT.
687         (print_scop_context): New.
688         (print_scop): Call print_scop_context.
689         (debug_scop_context): New.
690         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
691         (struct scop): Added field context.
692         (SCOP_CONTEXT): New.
693         * graphite-sese-to-poly.c (add_param_constraints): New.
694         (build_scop_context): New.
695         (build_poly_scop): Call build_scop_context.
696
697 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
698
699         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
700         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
701         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
702         * graphite-ppl.h: Include double-int.h and tree.h.
703         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
704         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
705         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
706         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
707
708 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
709
710         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
711         POINTER_PLUS_EXPR for pointer types.
712         (clast_to_gcc_expression): Same.
713
714 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
715
716         * graphite-poly.c (print_scattering_function): Early return when
717         PBB_TRANSFORMED_SCATTERING is not initialized.
718         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
719
720 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
721
722         * tree-parloops.c (analyze_reduction_list): Remove unused variable
723         to fix bootstrap.
724
725 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
726
727         * tree-parloops.c (analyze_reduction_list): Change return
728         value to void.
729         (try_create_reduction_list): Move the call to
730         analyze_reduction_list to the beginining.
731         Call reduction_phi with analyzed_reductions as argument
732         instead of reduction_list.
733
734 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
735
736         *  Merge from mainline (r148296:149346)
737
738 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
739
740         * graphite-scop-detection.c (graphite_can_represent_init): New.
741         (graphite_can_represent_scev): Call graphite_can_represent_init:
742         check that the initial value does not contain multiplications of
743         parameters.
744         (stmt_has_simple_data_refs_p): New.
745         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
746         (is_simple_operand): Fix formatting.
747         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
748
749 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
750
751         * testsuite/gcc.dg/graphite/id-13.c: New.
752         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
753         analyze_scalar_evolution, use scalar_evolution_in_region.
754         (scan_tree_for_params_right_scev): Add extra assert.
755         (parameter_index_in_region_1): Split from parameter_index_in_region.
756         (idx_record_params): Use scalar_evolution_in_region.
757         (find_params_in_bb): Same.
758         (find_scop_parameters): Same.
759         (build_loop_iteration_domains): Same.
760         (create_linear_expr_from_tree): Same.
761         * sese.c (scalar_evolution_in_region): New.
762         * sese.h (scalar_evolution_in_region): Declared.
763         (defined_in_sese_p): New.
764         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
765         static anymore.
766         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
767         Declared.
768
769 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
770
771         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
772         TREE_DATA_REF_H also implies SCEV_H.
773
774 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
775
776         * graphite-poly.c (print_scop_params): New.
777         (print_scop): Call print_scop_params.
778         (debug_scop_params): New.
779         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
780
781 2009-07-07  Li Feng  <nemokingdom@gmail.com>
782
783         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
784         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
785         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
786         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
787         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
788         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
789
790 2009-07-07  Li Feng  <nemokingdom@gmail.com>
791
792         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
793         for dependency checking part.
794         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
795         tests for dependency checking.
796         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
797         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
798         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
799         flag -fdump-tree-graphite-all for autopar testsuites.
800
801 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
802
803         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
804         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
805         canonicalize_loop_ivs): Moved...
806         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
807
808 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
809
810         * tree-parloops.c (try_create_reduction_list): Pass an extra
811         argument analyzed_reductions.  Call analyze_reduction_list.
812         (gen_parallel_loop): Do not call analyze_reduction_list.
813         (parallelize_loops): Init and finalize analyzed_reductions.
814
815 2009-07-06  Li Feng  <nemokingdom@gmail.com>
816
817         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
818         Added flag -fno-loop-strip-mine for autopar testcase.
819
820 2009-07-04  Li Feng  <nemokingdom@gmail.com>
821
822         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
823         transformed scattering dimension instead of unmatch orignal when
824         calling dependence_polyhedron.
825
826 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
827
828         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
829
830 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
831
832         * graphite-poly.c (pbb_number_of_iterations): Check for returned
833         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
834
835 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
836
837         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
838         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
839         * graphite-poly.c (pbb_number_of_iterations): New.
840         * graphite-poly.h (pbb_number_of_iterations): Declared.
841         (pbb_iterator_dim, pbb_parameter_dim): New.
842
843 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
844
845         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
846         last commit on type of lower and upper bound of loops.
847
848 2009-06-29  Li Feng  <nemokingdom@gmail.com>
849
850         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
851         graphite-dependences.h.
852         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
853         (mark_bb_with_pbb): New.
854         (get_stmtfor_depth): New.
855         (find_pbb_via_hash): New.
856         (dependency_in_loop_p): New.
857         (mark_loops_parallel): New.
858         (free_aux_in_new_loops): New.
859         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
860         bb with it's relevant pbb. Mark newly created loops.  Remove mark
861         innermost loop parallel without checking.
862         (gloog): Add parameter BB_PBB_MAPPING.
863         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
864         (gloog): Change declaration.
865         (mark_loop_parallel): Make extern.
866         (free_aux_in_new_loops): Declare.
867         (bb_pbb_map_hash): New.
868         (eq_bb_pbb_map): New.
869         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
870         auto parallelization when flag_graphite_force_parallel is set.
871         (graphite_finalize): Added free_aux_in_new_loops.
872         * tree-parloops.c (parallelize_loops): Only generate parallel code for
873         the innermost loop that marked parallel.  Use
874         flag_graphite_force_parallel instead of loop->can_be_parallel.
875         (loop_parallel_p): Move inner most checking out of function.
876
877 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
878
879         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
880         type of lower and upper bound of loops signed long int.
881
882 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
883
884         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
885         expression outside the loop.
886
887 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
888
889         * gcc.dg/graphite/interchange-8.c: New.
890
891 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
892
893         * gcc.dg/graphite/interchange-0.c: XFailed.
894         * gcc.dg/graphite/interchange-5.c: XFailed.
895         * gcc.dg/graphite/interchange-6.c: XFailed.
896
897 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
898
899         * graphite-interchange.c (compute_array_size_poly): The end of the
900         recursion should return 1.
901
902 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
903
904         * graphite-interchange.c (compute_array_size_cstr): Allow the
905         subscript multiplier to be -1.
906         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
907         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
908         data_container.  Initializes PDR_DATA_CONTAINER.
909         (print_pdr_access_layout): New.
910         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
911         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
912         data_container.
913         (PDR_DATA_CONTAINER): New.
914         (new_poly_dr): Update declaration.
915         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
916         (build_poly_dr): Call pdr_add_data_dimensions.
917
918 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
919
920         * graphite-poly.h (struct poly_dr): Fix comment.
921         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
922         (pdr_add_memory_accesses): New.
923         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
924
925 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
926
927         * graphite-poly.c (print_pdrs, debug_pdrs): New.
928         (print_pbb): Add call to print_pdrs.
929         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
930
931 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
932             Li Feng <nemokingdom@gmail.com>
933
934         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
935         (dependency_between_pbbs_p): New.
936         (lexicographically_gt_p): Assure !empty_p before polyhedron
937         intersection assign.
938         (build_lexicographically_gt_constraint): Correct lexicographically
939         judging.
940         * graphite-dependences.h: New.
941         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
942
943 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
944
945         * graphite-clast-to-gimple.c (print_clast_stmt): New.
946         (gloog): Print to dump_file the generated clast.
947         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
948         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
949
950 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
951
952         * graphite-poly.c (extend_scattering): Increment
953         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
954
955 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
956
957         * graphite-interchange.c (compute_array_size_poly): Added exit of
958         recursion condition.  Continue iterating even after the first equality.
959         (compute_array_size): Same.
960
961 2009-06-24  Li Feng  <nemokingdom@gmail.com>
962
963         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
964         -fdump-tree-final_cleanup to -fdump-tree-optimized.
965         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
966         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
967         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
968
969 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
970
971         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
972         only when the use verifies is_gimple_reg.
973
974 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
975
976         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
977         Allocate scaldims after call to unify_scattering_dimensions.
978
979 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
980
981         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
982
983 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
984             Albert Cohen  <albert.cohen@inria.fr>
985
986         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
987         variables for the strip mining.
988
989 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
990             Pranav Garg  <pranav.garg2107@gmail.com>
991
992         * Makefile.in (OBJS-common): Added graphite-blocking.o.
993         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
994         (graphite-blocking.o): New rule.
995         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
996         * graphite-blocking.c: New.
997         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
998         flag_loop_strip_mine.
999         (psct_scattering_dim_for_loop_depth): New.
1000         * graphite-poly.h (scop_do_strip_mine): Declared.
1001         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1002         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1003         flag_loop_strip_mine.
1004
1005 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1006
1007         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1008         a GMP value and a PPL coefficient at each iteration of a loop.
1009
1010 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         * graphite-dependences.c (dependence_polyhedron): Do not use
1013         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1014         pbb_nb_scattering_transform.
1015         (graphite_legal_transform_dr): Same.
1016         * graphite-poly.c (extend_scattering): Same.
1017         (unify_scattering_dimensions): Same.
1018         (print_scattering_function): Same.
1019         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1020         PBB_NB_LOCAL_VARIABLES.
1021         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1022         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1023         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1024         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1025         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1026         (pbb_nb_scattering_transform): New.
1027         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1028         (psco_scattering_dim): Add assert on parameters.
1029         (psct_scattering_dim): Same.
1030         (psct_scattering_dim_for_loop_depth): Declared.
1031         (psct_local_var_dim): New.
1032         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1033         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1034         correct layout, call pbb_nb_local_vars.
1035         (psct_add_local_variable, psct_add_scattering_dimension): New.
1036         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1037         Initialize PBB_NB_SCATTERING_TRANSFORM.
1038
1039 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1042         (set_coef): Renamed ppl_set_coef.
1043         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1044
1045 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1048         test a boolean against 1.
1049         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1050         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1051         (pbb_do_interchange): Returns true when a transform has been performed.
1052         (scop_do_interchange): Same.
1053         * graphite-poly.c (apply_poly_transforms): Use the return value of
1054         scop_do_interchange.
1055         * graphite-poly.h (scop_do_interchange): Update declaration.
1056
1057 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1058
1059         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1060         after last use.
1061         * sese.c (sese_reset_aux_in_loops): New.
1062         * sese.h (sese_reset_aux_in_loops): New.
1063
1064 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1067         multiplier and multiply the constant by the multiplier.
1068         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1069         (build_poly_dr): Do not use the multiplier to define the subscript.
1070
1071 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1074         compiler's data reference.  Initialize PDR_CDR.
1075         (print_pdr): Call dump_data_reference.
1076         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1077         Add compiler_dr field.
1078         (PDR_BB): Renamed PDR_PBB.
1079         (PDR_CDR): New.
1080         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1081         GCC's data reference representation.
1082         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1083         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1084
1085 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1086
1087         * graphite-poly.c (print_scattering_function): Also print the layout.
1088         * graphite-poly.h (pbb_nb_local_vars): New.
1089
1090 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1091
1092         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1093
1094 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * graphite-poly.c (print_pdr, debug_pdr): New.
1097         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1098         (PDR_BASE): Removed.
1099
1100 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1103         ltrans-{1..6,8}.c.
1104
1105 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1108         subscript identification column.
1109         (pbb_do_interchange): Print to dump_file that some loops "will be
1110         interchanged".  Rely on that chain of characters in the testcases.
1111         * gcc.dg/graphite/interchange-0.c: New.
1112         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1113         interchange-*.c files and compile them with -floop-interchange.
1114
1115 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1116
1117         * graphite-interchange.c (interchange_profitable_p): Renamed
1118         pbb_interchange_profitable_p.
1119
1120 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1121             Harsha Jagasia  <harsha.jagasia@amd.com>
1122             Pranav Garg  <pranav.garg2107@gmail.com>
1123
1124         * graphite-interchange.c (interchange_profitable_p): Make static.
1125         (pbb_interchange_loop_depths, pbb_do_interchange,
1126         scop_do_interchange): New.
1127         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1128         for flag_loop_interchange.
1129         * graphite-poly.h (scop_do_interchange): Declared.
1130         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1131         flag_loop_interchange is used.
1132
1133 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * graphite-dependences.c (dependence_polyhedron): Update use of
1136         pbb_nb_scattering_dims.
1137         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1138         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1139         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1140         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1141
1142 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1143
1144         * graphite.c: Cleanup foo.
1145
1146 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * Merge from mainline (r143684:148293).
1149         * Disabled libpcp until it gets fixed.
1150
1151 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1152             Harsha Jagasia  <harsha.jagasia@amd.com>
1153
1154         * graphite-interchange.c: New.
1155         * Makefile.in (graphite-interchange.o): New.
1156         * graphite-poly.h (interchange_profitable_p): Declared.
1157         * graphite-ppl.h (value_max): New.
1158
1159 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1160
1161         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1162         * graphite-poly.h: Fix some comments.
1163         (pdr_dim): New.
1164         (pdr_scop): New.
1165
1166 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * graphite-poly.h
1169         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1170         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1171         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1172         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1173         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1174         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1175         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1176         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1177         * graphite-clast-to-gimple.c: Same.
1178         * graphite-dependences.c: Same.
1179         * graphite-poly.c: Same.
1180         * graphite-sese-to-poly.c: Same.
1181
1182 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1185         expressions for an IV rename, as returned by clast_to_gcc_expression.
1186         (copy_renames): Rename new_name to expr.
1187         * sese.c (debug_rename_elt): Same.
1188         (get_rename): Same.
1189         (set_rename): Same.
1190         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1191         the information from the rename map.
1192         (rename_variables_in_stmt): Same.
1193         (add_loop_exit_phis): Rename new_name to expr.
1194         (insert_loop_close_phis): Same.
1195         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1196         * sese.h (struct rename_map_elt): Rename new_name to expr.
1197         (new_rename_map_elt): Same.
1198
1199 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1200
1201         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1202         * sese.c (set_rename): Make it extern.
1203         * sese.h (set_rename): Declared.
1204
1205 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * graphite-poly.c (extend_scattering): Free values.
1208         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1209         Free iterators.
1210         (ppl_print_powerset_matrix): Same.
1211         * graphite-scop-detection.c (free_scops_1): New.
1212         (limit_scops): Call free_scops_1.
1213         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1214         (build_poly_dr): Free PPL coefficients.
1215         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1216
1217 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * graphite-dependences.c: New.
1220         * graphite-data-ref.c: Removed.
1221         * graphite-data-ref.h: Removed.
1222         * Makefile.in (graphite-data-ref.o): Removed.
1223         (graphite-dependences.o): Added.
1224         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1225         * graphite-poly.c: Same.
1226         Move the data dependence testing to graphite-dependences.c.
1227
1228 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1229
1230         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1231         from graphite_cannot_represent_loop. Code refactored.
1232         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1233
1234 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1235
1236         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1237         Cover all the testcases (not only the filtered ones).
1238
1239 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1240
1241         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1242         unnecessary check. Update comments. Move check for REAL_TYPE here.
1243         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1244         done in (stmt_simple_for_scop_p).
1245
1246 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1247
1248         * graphite.c (print_global_statistics): New.
1249         (print_graphite_scop_statistic): New.
1250         (print_graphite_statistics): New.
1251         (graphite_initialize, graphite_transform_loops): Print statistics.
1252         * graphite-scop-detection (build_scops): Print statistics.
1253         (print_graphite_scop_statistics): New.
1254         (print_graphite_statistics): New.
1255
1256 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1257
1258         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1259         (debug_clast_name_index): Removed.
1260         (debug_clast_name_indexes_1): Removed.
1261         (debug_clast_name_indexes): Removed.
1262         (clast_name_index_elt_info): Removed.
1263         (eq_clast_name_indexes): Removed.
1264         (clast_name_to_index): Removed.
1265         (new_clast_name_index): Removed.
1266         (save_clast_name_index): Removed.
1267         (save_var_name): Moved...
1268         (init_sese_params_index): Removed.
1269         (clast_name_to_gcc): Remove use of name_tree.
1270         (initialize_cloog_names): Same.
1271         (gloog): Do not call init_sese_params_index.
1272         * graphite-sese-to-poly.c (save_var_name): ...here.
1273         (parameter_index_in_region): New.
1274         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1275         (parameter_index_in_region): Removed.
1276         (is_parameter): Remove use of name_tree.
1277         * sese.h (struct name_tree): Removed.
1278         (struct sese): Remove use of name_tree.  New field params_names.
1279         (SESE_PARAMS_NAMES): New.
1280         (SESE_PARAMS): Remove duplicate.
1281         (parameter_index_in_region): Removed.
1282         (sese_nb_params): Remove use of name_tree.
1283         (struct clast_name_index): New.
1284         (new_clast_name_index): New.
1285         (clast_name_to_index): New.
1286         (save_clast_name_index): New.
1287         (debug_clast_name_index): New.
1288         (debug_clast_name_indexes_1): New.
1289         (debug_clast_name_indexes): New.
1290         (clast_name_index_elt_info): New.
1291         (eq_clast_name_indexes): New.
1292
1293 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1296         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1297         (graphite_loop_normal_form): Do not pass region.  Do not
1298         initialize SESE_OLDIVS.
1299         (build_graphite_loop_normal_form): Update call to
1300         graphite_loop_normal_form.
1301         * sese.c (debug_oldivs): Removed.
1302         (new_sese): Do not initialize SESE_OLDIVS.
1303         (free_sese): Do not free SESE_OLDIVS.
1304         (oldiv_for_loop): Removed.
1305         * sese.h (struct sese): Remove old_ivs.
1306         (SESE_OLDIVS): Removed.
1307         (oldiv_for_loop): Removed.
1308
1309 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1310
1311         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1312         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1313         replaced by a call to newivs_to_depth_to_newiv.
1314         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1315         (clast_to_gcc_expression_red): Same.
1316         (gcc_type_for_clast_expr): Same.
1317         (gcc_type_for_clast_eq): Same.
1318         (graphite_translate_clast_equation): Same.
1319         (graphite_create_guard_cond_expr): Same.
1320         (graphite_create_new_guard): Same.
1321         (graphite_create_new_loop): Same.
1322         (build_iv_mapping): Same.
1323         (translate_clast): Same.
1324         (gloog): Same.
1325         (loop_iv_stack_patch_for_consts): Removed.  *
1326         sese.c (iv_stack_entry_is_constant): Removed.
1327         (iv_stack_entry_is_iv): Removed.
1328         (loop_iv_stack_push_iv): Removed.
1329         (loop_iv_stack_insert_constant): Removed.
1330         (loop_iv_stack_pop): Removed.
1331         (loop_iv_stack_get_iv): Removed.
1332         (loop_iv_stack_get_iv_from_name): Removed.
1333         (debug_loop_iv_stack): Removed.
1334         (free_loop_iv_stack): Removed.
1335         (loop_iv_stack_remove_constants): Removed.  *
1336         sese.h (iv_stack_entry_kind): Removed.
1337         (iv_stack_entry_data_union): Removed.
1338         (iv_stack_entry_struct): Removed.
1339         (iv_stack_entry_p): Removed.
1340         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1341         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1342         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1343         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1344         (gbb_loop_at_index): Fix indenting.
1345         (gbb_loop_index): Removed.
1346
1347 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1350         Call clast_name_to_index.
1351
1352 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1355         do not pass params.  Get params from SESE_PARAMS.
1356         (clast_to_gcc_expression): Same.
1357         (clast_to_gcc_expression_red): Same.
1358         (gcc_type_for_clast_eq): Same.
1359         (graphite_translate_clast_equation): Same.
1360         (graphite_create_new_loop): Same.
1361         * sese.c (rename_variables_in_stmt): Fix comment.
1362
1363 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1364
1365         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1366         newivs_index.
1367         Call save_clast_name_index.
1368         (translate_clast): Pass newivs_index.
1369         (gloog): Create and free newivs_index.
1370
1371 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1372
1373         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1374         (clast_name_index_p): New type.
1375         (debug_clast_name_index): New.
1376         (debug_clast_name_indexes_1): New.
1377         (debug_clast_name_indexes): New.
1378         (clast_name_index_elt_info): New.
1379         (eq_clast_name_indexes): New.
1380         (clast_name_to_index): New.
1381         (new_clast_name_index): New.
1382         (save_clast_name_index): New.
1383         (init_sese_params_index): New.
1384         (gloog): Call init_sese_params_index.
1385         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1386         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1387         (free_sese): Free SESE_PARAMS_INDEX.
1388         * sese.h (struct sese): Add params_index.
1389         (SESE_PARAMS_INDEX): New.
1390
1391 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1394         (graphite_create_new_loop): Pass the newivs vector.  Push the
1395         newly created IV to newivs.
1396         (translate_clast): Pass the newivs vector.
1397         (gloog): Create and destroy the newivs vector.
1398
1399 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1402         (graphite_loop_normal_form): Initialize loop->aux with the unique
1403         IV that has been created.
1404
1405 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1406
1407         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1408         scev with parameters in the base part. They where forbidden
1409         exidently.
1410
1411 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1412
1413         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1414         compile options by file names.
1415         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1416         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1417         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1418         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1419
1420 2009-05-08  Li Feng <nemokingdom@gmail.com>
1421
1422         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1423         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1424         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1425         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1426
1427 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1428
1429         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1430         by final cleanup.
1431
1432 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1433
1434         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1435         allow integer constant strides.
1436         (graphite_can_represent_expr): Depend on outermost_loop.
1437         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1438         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1439         build_scops_1): Same.
1440         (scopdet_basic_block_info): Same and insert layered SCoP
1441         detection.
1442         (try_generate_gimple_bb): Cleanup.
1443         (build_scops): Enable data references.
1444
1445         * testsuite/gcc.dg/graphite/id-5.c: New.
1446         * testsuite/gcc.dg/graphite/id-9.c: New.
1447         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1448         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1449
1450 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1451
1452         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1453         that we have not yet built for this SCoP.
1454
1455 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1456
1457         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1458         for complex numbers.
1459
1460 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1461
1462         * graphite-ppl.c: Fix build if cloog is not available.
1463
1464 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1465
1466         * tree-parloops.c (loop_parallel_p): Remove construction of
1467         NITER and REDUCTION_LIST.
1468         (try_get_loop_niter): New.
1469         (try_create_reduction_list): New.
1470         (parallelize_loops): Bypass the failed checkings in autopar
1471         when can_be_parallel in loop structure is set to true.
1472
1473 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1474
1475         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1476         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1477
1478 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1479
1480         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1481         Enable EQ_EXPR and NE_EXPR again.
1482
1483 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1484
1485         * graphite-scop-detection.c (graphite_can_represent_scev):
1486         Add check if scev is affine multivariate.
1487         (harmful_stmt_in_bb): Check if we can represent the conditions.
1488         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1489         harmful_stmt_in_bb.
1490         * testsuite/gcc.dg/graphite/id-7.c: New.
1491
1492 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1493
1494         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1495         Check all bbs in region, not only the bbs that are represented in
1496         GRAPHITE.
1497         (build_poly_scop): Add newline.
1498         * testsuite/gcc.dg/graphite/id-8.c: New.
1499
1500 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1501
1502         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1503         when loop initialize.
1504         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1505         * common.opt: Declare flag_graphite_force_parallel.
1506         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1507         loop parallel.
1508         * graphite-poly.c (apply_poly_transforms): Introduce
1509         flag_graphite_force_parallel.
1510         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1511         * toplev.c (process_options): ditto and replace a not correctly
1512         encoded space.
1513
1514 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1515
1516         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1517         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1518         to the redefinition.
1519         (compute_cloog_iv_types_1): ditto.
1520         (build_iv_mapping): ditto.
1521         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1522         initialization.
1523         (free_gimple_bb): Removed GBB_LOOPS related free part.
1524         (build_bb_loops): Removed.
1525         * sese.h (struct gimple_bb): Removed loops.
1526         (GBB_LOOPS): Removed.
1527         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1528         (gbb_loop_index): ditto.
1529
1530 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1531
1532         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1533         allow non constant strides.
1534         * testsuite/gcc.dg/graphite/scop-20.c: New.
1535
1536 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * graphite-scop-detection.c (dot_all_scops): Fix system call
1539         return value warning.
1540         (dot_scop): Same.
1541
1542 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1545         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1546
1547 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1550         build_pairwise_constraint, dr_equality_constraints,
1551         build_pairwise_scheduling_equality,
1552         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1553         build_lexicographically_gt_constraint, dependence_polyhedron,
1554         graphite_legal_transform_dr, graphite_legal_transform_bb,
1555         graphite_legal_transform): New.
1556         * graphite-poly.h (graphite_legal_transform): Declared.
1557         * graphite-sese-to-poly.c (build_poly_scop): Call to
1558         graphite_legal_transform is disabled for the moment.
1559
1560 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * graphite-poly.h (pbb_nb_scattering_dims): New.
1563         (pbb_nb_scattering): Use it.
1564
1565 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1566
1567         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1568         Pointset_Powerset version of ppl_insert_dimensions.
1569         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1570
1571 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1572
1573         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1574
1575 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * graphite-poly.h: Fix comment.
1578
1579 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1580
1581         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1582
1583 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1584
1585         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1586         statements.
1587
1588 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1589
1590         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1591         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1592         conditions.
1593
1594 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1597         handle EQ_EXPR and NE_EXPR.
1598
1599 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1600
1601         * graphite-poly.h (poly_dr): Fix comment.
1602
1603 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1604             Tobias Grosser  <grosser@fim.uni-passau.de>
1605
1606         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1607         with a zero dimension polyhedron.
1608         (find_scop_parameters): Move the call to scop_set_nb_params here.
1609         (build_loop_iteration_domains): Store in loop->aux the iteration
1610         domain polyhedron.
1611         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1612         by any loop in scop.
1613         (build_poly_scop): Do not call scop_set_nb_params.
1614
1615 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1616             Tobias Grosser  <grosser@fim.uni-passau.de>
1617
1618         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1619         add_condition_to_domain not GT_EXPR.
1620
1621 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1622
1623         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1624         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1625         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1626         upper_bound_assign to calculate unions.
1627         * testsuite/gcc.dg/graphite/id-6.c: New.
1628
1629 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1630
1631         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1632         handle abnormal edges.
1633
1634 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1635
1636         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1637         (free_poly_bb): Also free poly_drs.
1638         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1639         (poly_dr): Polyhedron to Pointset_Powerset.
1640         (pdr_accessp_nb_subscripts): Same.
1641         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1642         poly_drs.
1643
1644 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1647         names into more meaningful names.
1648
1649 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1652         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1653
1654 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1657         the reduction_list.
1658         * tree-parloops.c (rewrite_phi_with_iv): New.
1659         (rewrite_all_phi_nodes_with_iv): New.
1660         (canonicalize_loop_ivs): Call them.
1661
1662 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1663
1664         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1665         graphite_find_data_references_in_stmt.
1666         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1667         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1668
1669 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1672
1673 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1676         instead of bb_in_region.
1677         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1678         (build_sese_conditions): Use flag_bb_in_sese.
1679         * sese.c (register_bb_in_sese): Removed.
1680         (new_sese): Remove initialization of SESE_REGION_BBS.
1681         (free_sese): Do not free SESE_REGION_BBS.
1682         * sese.h (struct sese): Remove field region_basic_blocks.
1683         (SESE_REGION_BBS): Removed.
1684         (bb_in_sese_p): Implement in function of bb_in_region.
1685
1686 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1689         loops.
1690
1691 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1692
1693         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1694         and EQ_EXPR.
1695         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1696         (add_condition_to_domain): New.
1697         (add_condition_to_pbb): New.
1698         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1699         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1700
1701 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1702
1703         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1704         ppl_Pointset_Powerset.
1705         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1706         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1707         (pbb_nb_loops): Same.
1708         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1709         add_conditions_to_domain): Same.
1710         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1711         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1712         ppl_const_Polyhedron_t.
1713         (ppl_print_powerset_matrix): New.
1714         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1715         ppl_print_powerset_matrix): New.
1716         (ppl_print_polyhedron_matrix): Updated.
1717
1718 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1719
1720         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1721
1722 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1723
1724         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1725         (print_iteration_domains, debug_iteration_domain,
1726         debug_iteration_domains): New.
1727         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1728         debug_iteration_domains): Declared.
1729         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1730         indenting.
1731
1732 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1733             Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * graphite-poly.h (print_iteration_domain): New.
1736         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1737         (build_sese_conditions_1, build_sese_conditions_after,
1738         build_sese_conditions_before): New.
1739         (build_sese_conditions): Rewritten.
1740
1741 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1742             Tobias Grosser  <grosser@fim.uni-passau.de>
1743
1744         Cleanup of code generation liveouts.
1745         * graphite-clast-to-gimple.c (translate_clast): Use a single
1746         rename_map instead of one per translated statement.
1747         Do not use SESE_LIVEOUT_RENAMES.
1748         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1749         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1750         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1751         phi node of a reduction: when a loop contains a reduction used outside
1752         the loop, there should be a scalar close phi node on the exit block.
1753         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1754         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1755         (free_sese): Do not free them.
1756         (sese_build_liveouts_use): Do not use them.
1757         (sese_build_liveouts_bb): Same.
1758         (sese_build_liveouts): Same.
1759         (sese_insert_phis_for_liveouts): Same.
1760         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1761         (defined_in_loop_p): New.
1762         (alive_after_loop): New.
1763         (close_phi_not_yet_inserted_p): New.
1764         (struct alep, alep_p): New.
1765         (add_loop_exit_phis): Remove from the rename_map all the names defined
1766         in the code generated loop.
1767         (insert_loop_close_phis): Traverse the rename_map passed to it.
1768         Don't use SESE_LIVEOUT_RENAMES.
1769         (default_liveout_before_guard): Renamed default_before_guard.
1770         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1771         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1772         (register_sese_liveout_renames): Removed.
1773         (copy_bb_and_scalar_dependences): Do not call it.
1774         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1775         reduction_list.
1776         (SESE_LIVEOUT): Removed.
1777         (SESE_LIVEOUT_RENAMES): Removed.
1778         (SESE_REDUCTION_LIST): Removed.
1779         (sese_build_liveouts): Removed.
1780         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1781         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1782         (insert_guard_phis): Same.
1783         (rename_map_elt): Declare a VEC of them.
1784         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1785         trees not pointers to trees.
1786
1787         Rewrite in canonical close SSA form:
1788         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1789         (limit_scops): Close the scop after the block containing the close phi
1790         nodes.
1791         (canonicalize_loop_closed_ssa): New.
1792         (canonicalize_loop_closed_ssa_form): New.
1793         (build_scops): Call canonicalize_loop_closed_ssa_form.
1794
1795         * graphite-sese-to-poly.c: Fix typos.
1796
1797 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1800         Extended.
1801         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1802         (print_pbb): Add conditions.
1803
1804 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1805             Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1808         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1809         (build_scop_bbs_1): New.
1810         (build_scop_bbs): Rewrite.
1811         * sese.h (bb_in_region): New.
1812
1813 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1814
1815         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1816         poly_drs vector.
1817         (print_scop): Style.
1818         * graphite-poly.h (poly_bb): Add drs vector.
1819         (PBB_DRS): Add accessor.
1820         * graphite-sese-to-poly.c (build_poly_dr): New.
1821         (build_pbb_drs, build_scop_drs): New.
1822         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1823
1824 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1825
1826         * tree-ssa-loop.c: Include forgotten toplev.h
1827
1828 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1829
1830         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1831         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1832         * testsuite/gcc.dg/graphite/pr37928.c: Same
1833         * testsuite/gcc.dg/graphite/pr38409.c: Same
1834         * testsuite/gcc.dg/graphite/pr38498.c: Same
1835         * testsuite/gcc.dg/graphite/pr38559.c: Same
1836         * testsuite/gcc.dg/graphite/pr39335.c: Same
1837         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1838         * testsuite/gfortran.dg/graphite/block-2.f: Same
1839         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1840         with -floop-*.
1841
1842 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1843
1844         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1845         build_access_matrix, build_scop_data_accesses): Remove access function
1846         building. (We get a new version soon).
1847         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1848         * sese.h (nb_loops_around_loop_in_sese): Remove.
1849         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1850
1851 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1852             Sebastian Pop  <sebastian.pop@amd.com>
1853
1854         * graphite-scop-detection.c (struct scopdet_info): Rename last
1855         field to exit.
1856         (scopdet_basic_block_info, build_scops_1): Don't use
1857         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1858
1859 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1860             Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1863         * sese.c (sese_build_liveouts_use): Renamed from
1864         sese_build_livein_liveouts_use. Remove liveins.
1865         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1866         Call sese_build_liveouts_use.
1867         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1868         Call sese_build_liveouts_bb.
1869         (new_sese, free_sese): Remove liveins.
1870         (sese_add_exit_phis_var): Deleted.
1871         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1872         directly.
1873         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1874
1875         * sese.h (sese): Remove num_ver and livein.
1876         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1877
1878 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1879
1880         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1881
1882 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1883
1884         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1885         (build_scop_scattering): Do not use compare_prefix_loops any more.
1886         (nb_common_loops): New.
1887
1888 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1889
1890         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1891         (register_old_and_new_names): Renamed set_rename.
1892
1893 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1894
1895         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1896         of the decl from the previous commit.
1897
1898 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1899
1900         * graphite-scop-detection.c (dot_scop): New.
1901         * graphite-scop-detection.h (dot_scop): Declared.
1902
1903 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1906
1907 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
1910         condition at the end of the loop.
1911         * graphite.c (graphite_initialize, graphite_finalize): Print to
1912         dump_file the compiled function.
1913         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
1914         of create_empty_loop_on_edge.
1915         (translate_clast): Update the code generation of loops for the new
1916         shape of loops.
1917         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
1918
1919 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1920
1921         Reverted the patch from 2009-03-19.
1922
1923 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1924
1925         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1926         poly_drs vector.
1927         (print_scop): Style.
1928         * graphite-poly.h (poly_bb): Add drs vector.
1929         (PBB_DRS): Add accessor.
1930         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
1931         (build_access_matrix_with_af, build_access_matrix,
1932         build_scop_data_accesses): Delete.
1933         (build_poly_dr): New.
1934         (build_pbb_drs, build_scop_drs): New.
1935         (build_poly_scop): call build_scop_drs.
1936
1937 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1938
1939         * graphite-scop-detection.c (dot_all_scops_1): Close the table
1940         once per basic block.
1941
1942 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1943
1944         * graphite-scop-detection.c (graphite_can_represent_scev): New.
1945         (graphite_can_represent_expr): Renamed from loop_affine_expr
1946         and enhanced.
1947         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
1948         (graphite_cannot_represent_loop): Add scop_entry to parameters.
1949         (scopdet_basic_block_info): Actually define entry_block.
1950         (stmt_simple_memref_p): Moved here from ...
1951
1952         * tree-data-ref.c (stmt_simple_memref_p): here.
1953         * tree-data-ref.h (stmt_simple_memref_p): Removed.
1954
1955 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1956
1957         * testsuite/gcc.dg/graphite/id-4.c: New.
1958
1959 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1960
1961         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
1962         (register_old_and_new_names): Update the content of the map.
1963         When there was already a rename_map_elt in the map at that
1964         location, free it.
1965         (copy_bb_and_scalar_dependences): Do rename_variables after
1966         expand_scalar_variables.
1967         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
1968         of the map.  When there was already a rename_map_elt in the
1969         map at that location, free it.
1970         (translate_clast): Pass the rename_map.  Do not initialize and free
1971         a rename_map per stmt_user.
1972         (gloog): Initialize and free one rename_map and pass it to
1973         translate_clast.
1974
1975 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * sese.c (expand_scalar_variables_stmt,
1978         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
1979         parameter.
1980         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
1981         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
1982         the gimple_stmt_iterator of the statement to be expanded.
1983         * graphite-scop-detection.c (is_simple_operand): Do handle
1984         REALPART_EXPR.
1985
1986 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1987
1988         * graphite-scop-detection.c (is_simple_operand): Do not handle
1989         REALPART_EXPR.
1990         * testsuite/gcc.dg/graphite/id-2.c: New.
1991
1992         * graphite-sese-to-poly.c (build_bb_loops,
1993         add_value_to_dim, scan_tree_for_params_right_scev,
1994         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
1995         find_params_in_bb, build_loop_iteration_domains,
1996         add_conditions_to_domain): Remove subtract.
1997
1998 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
1999
2000         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2001         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2002         pbb_loop_at_index -> gbb_loop_at_index.
2003         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2004         (debug_loop_vec): Delete.
2005         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2006         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2007         (PBB_LOOPS): Removed.
2008         (PBB_BLACK_BOX): Insert cast.
2009         (pbb_set_black_box): New setter.
2010         (pbb_loop_at_index, pbb_loop_index): Removed.
2011         (scop_set_region, scop_set_nb_params): New.
2012         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2013         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2014         (build_poly_scop): Use scop_set_nb_params.
2015         * sese.h (gimple_bb): Add LOOPS.
2016         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2017
2018 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2019
2020         Revert previous commit.
2021
2022 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2025         (register_old_and_new_names): Update the content of the map.
2026         When there was already a rename_map_elt in the map at that
2027         location, free it.
2028         (copy_bb_and_scalar_dependences): Do rename_variables after
2029         expand_scalar_variables.
2030         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2031         of the map.  When there was already a rename_map_elt in the
2032         map at that location, free it.
2033         (translate_clast): Pass the rename_map.  Do not initialize and free
2034         a rename_map per stmt_user.
2035         (gloog): Initialize and free one rename_map and pass it to
2036         translate_clast.
2037
2038 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2039
2040         Remove forgotten line in revert.
2041
2042 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2043
2044         Revert previous commit.
2045
2046 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * sese.c (register_old_and_new_names): Update the content
2049         of the map.  When there was already a rename_map_elt in the
2050         map at that location, free it.
2051         (copy_bb_and_scalar_dependences): Do rename_variables after
2052         expand_scalar_variables.
2053         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2054         of the map.  When there was already a rename_map_elt in the
2055         map at that location, free it.
2056         (translate_clast): Pass the rename_map.  Do not initialize and free
2057         a rename_map per stmt_user.
2058         (gloog): Initialize and free one rename_map and pass it to
2059         translate_clast.
2060
2061 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * graphite-clast-to-gimple.c (translate_clast): context_loop
2064         is never NULL.
2065
2066 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2067             Sebastian Pop  <sebastian.pop@amd.com>
2068
2069         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2070         of the use of ppl_Polyhedron_map_space_dimensions.
2071
2072 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2073             Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2076         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2077         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2078         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2079         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2080         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2081         pbb_nb_params): New.
2082         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2083         nb_loops_around_pbb): Adapt return types.
2084
2085 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2086
2087         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2088         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2089         graphite-scop-detection.o, graphite-poly.o): Add
2090         more headers.
2091
2092 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2093
2094         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2095         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2096         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2097
2098 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2099
2100         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2101         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2102         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2103         * testsuite/gcc.dg/graphite/block-0.c: Same.
2104         * testsuite/gcc.dg/graphite/block-1.c: Same.
2105         * testsuite/gcc.dg/graphite/block-2.c: Same.
2106         * testsuite/gcc.dg/graphite/block-3.c: Same.
2107         * testsuite/gcc.dg/graphite/block-4.c: Same.
2108         * testsuite/gcc.dg/graphite/block-5.c: Same.
2109         * testsuite/gcc.dg/graphite/block-6.c: Same.
2110         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2111         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2112         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2113         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2114         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2115         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2116         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2117         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2118         * opts.c: Remove -floop-block from -O2.
2119         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2120         -floop-strip-mine are used.
2121
2122 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2123             Sebastian Pop  <sebastian.pop@amd.com>
2124
2125         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2126         dimensions.
2127         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2128         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2129         strip_mine_profitable_p, is_interchange_valid,
2130         graphite_trans_bb_block, graphite_trans_loop_block,
2131         graphite_trans_scop_block): Temporary removed.
2132         (extend_scattering, unify_scattering_dimensions): New.
2133         (print_scattering_function, graphite_read_transforms):
2134         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2135         (graphite_generate_scattering_fns): Removed.
2136         (apply_poly_transforms): Cleanup.
2137         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2138         (schedule_to_scattering): Moved.
2139         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2140         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2141         (pbb_nb_scattering): New.
2142         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2143         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2144         Removed.
2145         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2146         shift_poly.
2147         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2148         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2149         -> PBB_TRANSFORMED_SCATTERING.
2150         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2151         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2152         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2153         (check_poly_representation): Do not return bool.
2154         (graphite_transform_loops): Reformat.
2155         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2156
2157 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2160         debug_pbb_domain, debug_pbb, debug_scop): New.
2161         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2162         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2163
2164 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         PR middle-end/39335
2167         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2168         when the type precision of the induction variable should be
2169         larger than the type precision of nit.
2170         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2171         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2172         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2173
2174         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2175         * testsuite/gcc.dg/graphite/pr39335.c: New.
2176
2177 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2178
2179         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2180         SSA_NAMES not struct reduction_info.
2181
2182 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2185
2186 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2187             Tobias Grosser  <grosser@fim.uni-passau.de>
2188
2189         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2190         (free_sese): Free SESE_REDUCTION_LIST.
2191         * sese.h (struct sese): Add field reduction_list.
2192         (SESE_REDUCTION_LIST): New.
2193         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2194         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2195
2196 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2197             Tobias Grosser  <grosser@fim.uni-passau.de>
2198
2199         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2200         of loop_p.
2201
2202 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2203             Tobias Grosser  <grosser@fim.uni-passau.de>
2204
2205         * tree-parloops.c (struct brli, build_reduction_list_info,
2206         analyze_reduction_list, gather_scalar_reductions): New.
2207         (loop_parallel_p): Build a reduction list containing only
2208         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2209         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2210         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2211         * tree-flow.h (gather_scalar_reductions): Declared.
2212
2213 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         PR middle-end/39308
2216         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2217         number_of_iterations_exit from a gcc_assert.
2218
2219 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2220             Jan Sjodin  <jan.sjodin@amd.com>
2221
2222         * output.h (graphite_out_file, graphite_in_file): Declared.
2223         * toplev.c (graphite_out_file, graphite_in_file): New.
2224         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2225         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2226         Don't call schedule_to_scattering.
2227         * common.opt (fgraphite-write, fgraphite-read): New.
2228         * graphite-poly.c: Include output.h.
2229         (print_scattering_function, print_scattering_functions,
2230         debug_scattering_function, debug_scattering_functions,
2231         graphite_write_transforms, graphite_read_transforms,
2232         graphite_generate_scattering_fns): New.
2233         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2234         Call graphite_generate_scattering_fns, graphite_write_transforms,
2235         graphite_read_transforms.
2236         (new_poly_bb): Initialize PBB_SCATTERING.
2237         (free_poly_bb): Free PBB_SCATTERING.
2238         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2239         * graphite-poly.h (struct poly_bb): Add field scattering.
2240         (PBB_SCATTERING): New.
2241         (print_scattering_function, print_scattering_functions,
2242         debug_scattering_function, debug_scattering_functions): Declared.
2243         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2244         GMP values, not integers!
2245         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2246         ppl_read_polyhedron_matrix): New.
2247         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2248         debug_ppl_polyhedron_matrix,
2249         ppl_read_polyhedron_matrix): Declared.
2250         * Makefile.in (graphite-poly.o): Depends on output.h.
2251
2252 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2253             Tobias Grosser  <grosser@fim.uni-passau.de>
2254
2255         Revert this change:
2256         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2257         scalar evolutions in the scop_entry->loop_father.
2258
2259 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2260             Tobias Grosser  <grosser@fim.uni-passau.de>
2261
2262         * graphite.h (ref_nb_loops): Remove declaration.
2263         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2264         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2265         debug_gbb): Moved to sese.h.
2266         * sese.h: As said.
2267
2268 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2269             Tobias Grosser  <grosser@fim.uni-passau.de>
2270
2271         * graphite-data-ref.[ch]: Disable.
2272
2273 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2274             Tobias Grosser  <grosser@fim.uni-passau.de>
2275
2276         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2277         scalar evolutions in the scop_entry->loop_father.
2278
2279 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2282         (graphite_cannot_represent_loop_niter): Renamed
2283         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2284         (limit_scops): build_sese_loop_nests does not return a bool.
2285         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2286         * sese.c (nb_reductions_in_loop): ... from here.
2287         (graphite_loop_normal_form): ... from here.
2288         (sese_record_loop): Does not fail, so does not return a bool.
2289         (build_sese_loop_nests): Same.
2290         * sese.h (build_sese_loop_nests): Update declaration.
2291         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2292         (build_graphite_loop_normal_form): New.
2293         (gloog): Call build_graphite_loop_normal_form.
2294         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2295         build_sese_loop_nests.
2296
2297         * testsuite/gcc.dg/graphite/id-1.c: New.
2298
2299 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2300             Tobias Grosser  <grosser@fim.uni-passau.de>
2301
2302         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2303         The SCoP detection fix is sufficient.
2304
2305 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         PR tree-optimization/39260
2308         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2309         the basic block contains a condition with a real type.
2310         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2311
2312         * gcc.dg/graphite/pr39260.c: New.
2313
2314 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * graphite-poly.c: Inlcude params.h.
2317         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2318         the size of a tile.
2319         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2320         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2321
2322 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2323             Tobias Grosser  <grosser@fim.uni-passau.de>
2324
2325         * graphite-scop-detection.c (dot_all_scops_1,
2326         dot_all_scops): Moved here.
2327         * graphite-scop-detection.h (dot_all_scops): Declared here.
2328         * graphite.c (graphite_initialize, graphite_finalize): New.
2329         (graphite_transform_loops): Cleaned up.
2330         * sese.c (debug_oldivs): Moved here.
2331         * graphite-poly.c (graphite_apply_transformations): Renamed
2332         apply_poly_transforms.
2333         (debug_loop_vec): Moved here.
2334         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2335         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2336         find_scop_parameters, build_scop_iteration_domain,
2337         add_conditions_to_constraints, build_scop_canonical_schedules,
2338         build_scop_data_accesses): Now static.
2339         (build_poly_scop, check_poly_representation): New.
2340
2341 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2342
2343         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2344         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2345         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2346         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2347         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2348         scan_tree_for_params, struct irp_data, dx_record_params,
2349         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2350         build_loop_iteration_domains, add_conditions_to_domain,
2351         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2352         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2353         build_sese_conditions, add_conditions_to_constraints,
2354         build_scop_iteration_domain, build_access_matrix_with_af,
2355         build_access_matrix,
2356         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2357
2358         * graphite-sese-to-poly.c: New.
2359         * graphite-sese-to-poly.h: New.
2360
2361         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2362
2363 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * graphite.c: Split graphite code generation to a new file.
2366         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2367         max_precision_type, clast_to_gcc_expression_red,
2368         clast_to_gcc_expression, gcc_type_for_clast_expr,
2369         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2370         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2371         graphite_create_new_guard, clast_get_body_of_loop,
2372         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2373         graphite_create_new_loop, build_iv_mapping, copy_renames,
2374         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2375         compute_cloog_iv_types, free_scattering, save_var_name,
2376         initialize_cloog_names, build_scop_context, build_cloog_prog,
2377         set_cloog_options, debug_clast_stmt, scop_to_clast,
2378         print_generated_program, debug_generated_program,
2379         gloog): Moved to graphite-clast-to-gimple.c.
2380
2381         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2382
2383         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2384         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2385         loop_iv_stack_pop, loop_iv_stack_get_iv,
2386         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2387         free_loop_iv_stack, loop_iv_stack_remove_constants,
2388         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2389         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2390         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2391         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2392         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2393         get_vdef_before_sese, sese_adjust_vphi,
2394         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2395         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2396         is_iv, expand_scalar_variables_ssa_name,
2397         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2398         expand_scalar_variables, rename_variables, remove_condition,
2399         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2400         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2401         default_liveout_before_guard, add_guard_exit_phis,
2402         insert_guard_phis, register_old_and_new_names,
2403         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2404         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2405         if_region_set_false_region, create_if_region_on_edge,
2406         move_sese_in_condition): Moved to sese.c.
2407
2408         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2409         if_region_exit, if_region_get_condition_block,
2410         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2411         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2412         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2413         ivtype_map_elt, new_ivtype_map_elt,
2414         recompute_all_dominators): Moved to sese.h.
2415
2416         * graphite-clast-to-gimple.c: New.
2417         * graphite-clast-to-gimple.h: New.
2418         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2419         * sese.c: Modified as said above.
2420         * sese.h: Same.
2421
2422 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2423
2424         * graphite.c: Split scop detection to a new file.
2425         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2426         move_sd_regions, loop_affine_expr, exclude_component_ref,
2427         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2428         graphite_cannot_represent_loop_niter, struct scopdet_info,
2429         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2430         find_single_entry_edge, find_single_exit_edge,
2431         create_single_entry_edge, sd_region_without_exit,
2432         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2433         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2434         Moved to graphite-scop-detection.c.
2435
2436         * graphite-scop-detection.c: New.
2437         * graphite-scop-detection.h: New.
2438         * Makefile.in: Add new rule for graphite-scop-detection.o.
2439
2440         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2441         tree-scalar-evolution.h.
2442         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2443         build_sese_loop_nests): Moved here from graphite.c.
2444         (param_index): Renamed parameter_index_in_region.
2445
2446 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2447             Sebastian Pop  <sebastian.pop@amd.com>
2448
2449         * gcc.dg/graphite/block-0.c: Expected to fail now.
2450         * gcc.dg/graphite/block-1.c: Same.
2451         * gcc.dg/graphite/block-5.c: Same.
2452         * gcc.dg/graphite/block-6.c: Same.
2453
2454 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2455             Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * graphite.h: Separate from graphite_bb_p the polyhedral
2458         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2459         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2460         graphite-data-ref.h.
2461         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2462         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2463         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2464         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2465         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2466         scop_nb_params): Moved to graphite-poly.h.
2467         * graphite-data-ref.c: Same.
2468         * graphite-data-ref.h: New.
2469         * graphite.c: Same.
2470         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2471         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2472         is_interchange_valid, graphite_trans_bb_block,
2473         graphite_trans_loop_block, scop_max_loop_depth,
2474         graphite_trans_scop_block, graphite_apply_transformations,
2475         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2476         graphite-poly.c.
2477         * graphite-poly.h: New.
2478         * graphite-poly.c: New.
2479         * Makefile.in (OBJS-common): Add graphite-poly.o.
2480         (graphite-poly.o): New rule.
2481         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2482         (DR_SCOP): Removed.
2483
2484 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2485             Tobias Grosser  <grosser@fim.uni-passau.de>
2486
2487         * graphite.c: Replace gb -> gbb.
2488         * graphite.h: Same.
2489         * graphite-data-ref.c: Same.
2490
2491 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2492             Tobias Grosser  <grosser@fim.uni-passau.de>
2493
2494         * Makefile.in (OBJS-commmon): Add sese.o.
2495         (sese.o): New.
2496         (graphite.o): Add sese.h.
2497         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2498         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2499         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2500         Move to sese.
2501         (block_before_scop): Add missing return.
2502         (new_scop, free_scop): Remove SESE data structures.
2503         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2504         find_scop_parameters, build_loop_iteration_domains,
2505         add_conditions_to_domain, register_scop_liveout_renames,
2506         copy_bb_and_scalar_dependences): Scop -> SESE.
2507
2508         (add_conditions_to_domain): SCoP -> SESE and remove check
2509         (scop_contains_non_iv_scalar_phi_nodes): New.
2510         (build_scop_conditions_1, build_scop_conditions): Remove check for
2511         non iv scalar phi nodes.
2512         (print_scop_statistics): New.
2513         (graphite_transform_loops): Cleanup.
2514
2515         * graphite.h: Move to sese & cleanup.
2516         * sese.c: New.
2517         * sese.h: New.
2518
2519 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2520             Tobias Grosser  <grosser@fim.uni-passau.de>
2521
2522         * graphite.c (build_scop_conditions_1): Conditions are only
2523         at the end of a basic block.
2524
2525 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2526             Tobias Grosser  <grosser@fim.uni-passau>
2527
2528         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2529         field.
2530         (GBB_ALPHA): Removed.
2531
2532 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2533             Tobias Grosser  <grosser@fim.uni-passau.de>
2534
2535         * graphite-data-ref.c (graphite_test_dependence): Don't use
2536         GBB_DYNAMIC_SCHEDULE.
2537         * graphite.c (new_graphite_bb): Same.
2538         (free_graphite_bb): Same.
2539         (build_scop_dynamic_schedules): Removed.
2540         (graphite_transform_loops): Don't call it.
2541         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2542         (GBB_DYNAMIC_SCHEDULE): Removed.
2543
2544 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2545             Tobias Grosser  <grosser@fim.uni-passau.de>
2546
2547         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2548         (print_graphite_bb): Same.
2549         (build_cloog_prog): Same.
2550
2551 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2552             Tobias Grosser  <grosser@fim.uni-passau.de>
2553
2554         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2555
2556 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2557             Tobias Grosser  <grosser@fim.uni-passau.de>
2558
2559         * graphite.c (build_scop_context): Don't use CloogMatrix.
2560         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2561         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2562
2563 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2564             Tobias Grosser  <grosser@fim.uni-passau.de>
2565
2566         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2567         liveout_renames, add_params fields...
2568         (struct sese): ... here.
2569         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2570         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2571
2572 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2573             Tobias Grosser  <grosser@fim.uni-passau.de>
2574
2575         * graphite.c (print_scop): Do not print the CLooG program.
2576         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2577         build_cloog_prog, gloog): Don't use SCOP_PROG.
2578         (find_transform): Renamed scop_to_clast.
2579         (print_generated_program, debug_generated_program): New.
2580         (graphite_transform_loops): Adapt to new interface.
2581         * graphite.h (struct scop): Remove program field.
2582         (SCOP_PROG): Removed.
2583         (print_generated_program, debug_generated_program): Declared.
2584
2585 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2586
2587         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2588         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2589         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2590         free_graphite_bb, build_scop_canonical_schedules,
2591         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2592         schedules are now represented using a ppl_Linear_Expression_t.
2593         * graphite.h (struct graphite_bb): Same.
2594         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2595         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2596
2597 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2598
2599         * graphite.c: Free local memory.
2600         * graphite-ppl.c: Same.
2601
2602 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2603
2604         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2605         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2606         swap_constraint_variables, scale_constraint_variable): Removed.
2607         (graphite_trans_bb_strip_mine): Remove pong.
2608         * graphite-ppl.c: Include missing header files.
2609         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2610         * graphite-ppl.h (ppl_strip_loop): Declared.
2611         * Makefile.in (graphite-ppl.o): Adjust dependences.
2612
2613 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2614
2615         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2616         (build_scop_iteration_domain): Same.
2617
2618 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2619
2620         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2621         ping pong.
2622         (add_value_to_dim, scan_tree_for_params_right_scev,
2623         scan_tree_for_params_int): New.
2624         * graphite-ppl.c (oppose_constraint): New.
2625         (insert_constraint_into_matrix): Implement missing cases.
2626         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2627
2628 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2631         use ppl_move_dimension.
2632
2633 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2636         * graphite.c: Same.
2637         * graphite.h: Same.
2638         * graphite-ppl.c: Same.
2639         * graphite-ppl.h: Same.
2640
2641 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2642
2643         Revert last 3 commits.
2644
2645 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2648         ping pong.
2649         (add_value_to_dim, scan_tree_for_params_right_scev,
2650         scan_tree_for_params_int): New.
2651         * graphite-ppl.c (oppose_constraint): New.
2652         (insert_constraint_into_matrix): Implement missing cases.
2653         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2654
2655 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2658
2659 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2660             Tobias Grosser  <grosser@fim.uni-passau.de>
2661
2662         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2663         use ppl_move_dimension.
2664         * graphite-ppl.c (ppl_move_dimension): New.
2665         * graphite-ppl.h (ppl_move_dimension): Declared.
2666
2667 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2668
2669         * graphite.c: Do not include cloog/cloog.h.
2670         (print_graphite_bb): Remove ping pong, call PPL print function.
2671
2672 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2673
2674         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2675         (graphite.o): Add dependence on graphite-ppl.h.
2676         (graphite-ppl.o): New.
2677         (graphite-data-ref.c): Ping pong between PPL data structures
2678         and matrices.
2679         * graphite-ppl.c: New.
2680         * graphite-ppl.h: New.
2681         * graphite.c: Include graphite-ppl.h.
2682         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2683         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2684         Ping pong between PPL data structures and matrices.
2685         (new_graphite_bb): Create a PPL constraint system.
2686         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2687         (build_loop_iteration_domains): Use PPL functions.
2688         * graphite.h: Include graphite-ppl.h.  Fix comments.
2689         (graphite_bb): Use a ppl_Constraint_System_t instead of
2690         CloogMatrix for representing the domain.
2691         (scop): Remove static_schedule.
2692         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2693
2694 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2695
2696         * graphite.c: Fix some comments.
2697
2698 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2699
2700         PR middle-end/38953
2701         * graphite.c (if_region_set_false_region): After moving a region
2702         in the false branch of a condition, remove the empty dummy
2703         basic block.
2704         (gloog): Remove wrong fix for PR38953.
2705
2706 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2707
2708         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2709         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2710         register_bb_in_sese, new_sese, free_sese): Moved.
2711         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2712         outermost_loop_in_scop, build_scop_iteration_domain,
2713         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2714         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2715         Use loop_in_sese_p instead of loop_in_scop_p.
2716         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2717         (free_scop): Do not free SCOP_BBS_B.
2718         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2719         ref_nb_loops): Moved here...
2720         * graphite.h (ref_nb_loops): ... from here.
2721         (struct scop): Remove bbs_b bitmap.
2722         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2723         * testsuite/gcc.dg/graphite/scop-19.c: New
2724
2725 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2726
2727         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2728         detection.
2729
2730 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2731
2732         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2733         eq_loop_to_cloog_loop): Remove.
2734         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2735         * graphite.h (struct scop): Remove loop2cloog_loop.
2736         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2737
2738 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2739
2740         * opts.c (decode_options): Only add graphite options to O2
2741         if we compile with graphite enabled.
2742
2743 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745         * Merge from mainline (r143163:143684).
2746
2747 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2748
2749         * graphite.c (debug_value): Removed.
2750         * graphite.h (debug_value): Removed.
2751
2752 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2755         after graphite: pass_copy_prop does not maintain a proper loop closed
2756         SSA form.  pass_copy_prop should be fixed.
2757
2758 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2761
2762 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2765         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2766         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2767         changed the CFG.
2768
2769 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2770
2771         * graphite.c (gloog): Return true when code gen succeeded.
2772         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2773         the code of the function did not changed.  After cleanup_tree_cfg
2774         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2775         form.
2776
2777 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2780         gimple_call_lhs is NULL.
2781
2782 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2783             Tobias Grosser  <tobi.grosser@amd.com>
2784
2785         * graphite.c (graphite_trans_scop_block): Do not block single
2786         nested loops.
2787
2788 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2789             Tobias Grosser  <tobi.grosser@amd.com>
2790
2791         * graphite.c (build_scop_canonical_schedules): Start schedules at
2792         zero.
2793
2794 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2795             Tobias Grosser  <tobi.grosser@amd.com>
2796
2797         * graphite.c (compare_prefix_loops): New.
2798         (build_scop_canonical_schedules): Rewritten.
2799         (graphite_transform_loops): Move build_scop_canonical_schedules
2800         after build_scop_iteration_domain.
2801
2802 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2803             Tobias Grosser  <tobi.grosser@amd.com>
2804
2805         * graphite.c (add_conditions_to_domain): Add the loops to
2806         the dimension of the iteration domain.  Do copy the domain
2807         only when it exists.
2808         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2809         (add_conditions_to_constraints): New.
2810         (can_generate_code_stmt, can_generate_code): Removed.
2811         (gloog): Do not call can_generate_code.
2812         (graphite_transform_loops): Call add_conditions_to_constraints
2813         after building the iteration domain.
2814
2815 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2816             Tobias Grosser  <tobi.grosser@amd.com>
2817             Jan Sjodin  <jan.sjodin@amd.com>
2818
2819         * graphite.c (scan_tree_for_params): On substractions negate
2820         all the coefficients of the term.
2821         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2822         of more than two operands.
2823         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2824         (get_vdef_before_scop): Handle also the case of default definitions.
2825
2826 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2827
2828         PR middle-end/38431
2829         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2830         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2831         (gloog): Do not call cleanup_tree_cfg.
2832         (graphite_transform_loops): Call cleanup_tree_cfg after all
2833         scops have been code generated.
2834
2835 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * passes.c (init_optimization_passes): Schedule after
2838         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2839
2840 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2841
2842         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2843         Fix comment.
2844         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2845         Set the type of an expression to the type of its assign statement.
2846         (expand_scalar_variables_expr):  Do not pass loop_p.
2847         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2848         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2849         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2850
2851 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2854         an expression to the gimple_expr_type of its assign statement.
2855         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2856         or tcc_declaration.
2857
2858 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2859
2860         PR tree-optimization/38786
2861         * testsuite/gcc.dg/graphite/pr38786.c: New.
2862         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2863         the SSA_NAME case of expand_scalar_variables_expr.
2864         (expand_scalar_variables_expr): Also gather the scalar computation
2865         used to index the memory access.
2866         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2867         the gimple_stmt_iterator where it inserts new code.
2868
2869 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2872
2873 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * opts.c (decode_options): Enable flag_graphite_identity and
2876         flag_loop_block in -O2 and above.
2877
2878 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2879
2880         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2881         Fix merge problem: replace with the file from trunk.
2882
2883 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2884
2885         * Merge from mainline (r141727:143163).
2886
2887 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2888             Jan Sjodin  <jan.sjodin@amd.com>
2889
2890         PR tree-optimization/38559
2891         * testsuite/gcc.dg/graphite/pr38559.c: New.
2892
2893         * graphite.c (debug_value, copy_constraint,
2894         swap_constraint_variables, scale_constraint_variable, ): New.
2895         (get_lower_bound, get_upper_bound): Removed.
2896         (graphite_trans_bb_strip_mine): Clean up this code that works
2897         only for constant number of iterations.  Fully copy upper and
2898         lower bound constraints, not only the constant part of them.
2899         * graphite.h (debug_value): Declared.
2900
2901 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2902
2903         PR tree-optimization/38492
2904         PR tree-optimization/38498
2905         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2906         * tree-chrec.h (scev_is_linear_expression): Declared.
2907         * graphite.c (graphite_cannot_represent_loop_niter): New.
2908         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2909         (graphite_loop_normal_form): Use gcc_assert.
2910         (scan_tree_for_params): Use CASE_CONVERT.
2911         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2912         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2913         Use gcc_assert.  Discard scops that contain unhandled cases.
2914         (build_scop_conditions): Return a boolean status for unhandled cases.
2915         (strip_mine_profitable_p): Print the loop number, not its depth.
2916         (is_interchange_valid): Pass the depth of the loop nest, don't
2917         recompute it wrongly.
2918         (graphite_trans_bb_block): Same.
2919         (graphite_trans_bb_block): Print tentative of loop blocking.
2920         (graphite_trans_scop_block): Do not print that the loop has been
2921         blocked.
2922         (graphite_transform_loops): Do not handle scops that contain condition
2923         scalar phi nodes.
2924
2925         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
2926         in trunk.
2927         * testsuite/gcc.dg/graphite/block-0.c: Update test.
2928         * testsuite/gcc.dg/graphite/block-1.c: Same.
2929         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
2930         blocking.
2931         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
2932         * testsuite/gcc.dg/graphite/block-3.c: New.
2933         * testsuite/gcc.dg/graphite/pr38498.c: New.
2934
2935 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
2936
2937         PR tree-optimization/38510
2938         * gcc.dg/graphite/pr38510.c: New.
2939         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2940           (translate_clast): Call recompute_all_dominators before
2941           graphite_verify.
2942           (gloog): Call recompute_all_dominators before graphite_verify.
2943
2944 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
2945
2946         PR tree-optimization/38492
2947         * graphite.c (rename_map_elt, debug_rename_elt,
2948         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2949         rename_map_elt_info, eq_rename_map_elts,
2950         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2951         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2952         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2953         (sese_build_livein_liveouts): New.
2954         (new_sese, free_sese): New.
2955         (new_scop): Call new_sese.
2956         (free_scop): Call free_sese.
2957         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2958         (register_old_new_names): Renamed register_old_and_new_names.
2959         (register_scop_liveout_renames, add_loop_exit_phis,
2960         insert_loop_close_phis, struct igp,
2961         default_liveout_before_guard, add_guard_exit_phis,
2962         insert_guard_phis, copy_renames): New.
2963         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2964         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2965         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2966         (scop_adjust_phis_for_liveouts): New.
2967         (gloog): Call scop_adjust_phis_for_liveouts.
2968
2969         * graphite.h (struct sese): Documented.  Added fields liveout,
2970         num_ver and livein.
2971         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2972         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2973         (struct scop): Added field liveout_renames.
2974         (SCOP_LIVEOUT_RENAMES): New.
2975
2976 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2977
2978         PR tree-optimization/38409
2979         * gcc.dg/graphite/pr38409.c: New.
2980         * graphite.c (nb_reductions_in_loop): Use simple_iv.
2981
2982 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         * graphite.c (gcc_type_for_cloog_iv): By default return
2985         integer_type_node.
2986         (graphite_create_new_loop): Don't fold_convert the already
2987         fold_convert-ed expression.
2988
2989 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
2990
2991         PR tree-optimization/38446
2992         * gcc.dg/graphite/pr38446.c: New.
2993         * graphite.c (register_bb_in_sese): New.
2994         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
2995         looking at the bbs in the region.
2996         * graphite.h (sese): Add region_basic_blocks pointer set to
2997         structure and initialize at the time of defining new scop.
2998
2999 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3000
3001         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3002         (find_params_in_bb): Do not free data refs.
3003         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3004
3005 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3008         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3009         * testsuite/gcc.dg/graphite/block-5.c: New.
3010         * testsuite/gcc.dg/graphite/block-6.c: New.
3011         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3012         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3013         * testsuite/gcc.dg/graphite/block-2.c: Same.
3014
3015         * graphite.c (struct ivtype_map_elt): New.
3016         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3017         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3018         gcc_type_for_cloog_iv): New.
3019         (loop_iv_stack_patch_for_consts): Use the type of the induction
3020         variable from the original loop, except for the automatically
3021         generated loops, i.e., in the case of a strip-mined loop, in
3022         which case there is no original loop: in that case just use
3023         integer_type_node.
3024         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3025         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3026         (clast_name_to_gcc): Accept params to be NULL.
3027         (clast_to_gcc_expression): Take an extra parameter for the type.
3028         Convert to that type all the expressions built by this function.
3029         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3030         (graphite_translate_clast_equation): Compute the type of the
3031         clast_equation before translating its LHS and RHS.
3032         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3033         (graphite_create_new_loop): Compute the type of the induction
3034         variable before translating the lower and upper bounds and before
3035         creating the induction variable.
3036         (rename_variables_from_edge, rename_phis_end_scop): New.
3037         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3038         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3039         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3040         compute_cloog_iv_types): New.
3041         (gloog): Call compute_cloog_iv_types before starting the
3042         translation of the clast.
3043
3044         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3045         (GBB_CLOOG_IV_TYPES): New.
3046         (debug_ivtype_map): Declared.
3047         (oldiv_for_loop): New.
3048
3049 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3050
3051         PR middle-end/38459
3052         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3053         (param_index): Assert if parameter is not know after parameter
3054         detection.
3055         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3056         (find_scop_parameters): Mark, that we have finished parameter
3057         detection.
3058         (graphite_transform_loops): Move condition detection before parameter
3059         detection.
3060         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3061         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3062
3063 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3064
3065         * graphite.c (graphite_transform_loops): Always call find_transform ()
3066         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3067         generate code.
3068
3069 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3070
3071         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3072         (print_scop): Ditto.
3073
3074 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3075
3076         PR middle-end/38084
3077         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3078         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3079         regions more than once.
3080
3081 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3084         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3085         when not needed.
3086
3087 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3088
3089         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3090         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3091         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3092         (max_precision_type): New.
3093         (value_clast): Removed.
3094         (clast_to_gcc_expression): Be more careful to types of expressions.
3095         Use max_precision_type and update use of gmp_cst_to_tree.
3096         (graphite_translate_clast_equation): Use max_precision_type.
3097         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3098         use the type of the condition.
3099         (graphite_create_new_loop): Do not use integer_type_node, use the
3100         max_precision_type of lb and ub.
3101
3102 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * graphite.c (build_scops_1): Initialize open_scop.exit
3105         and sinfo.last.
3106
3107 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3108
3109         * testsuite/gcc.dg/graphite/pr38084.c: New.
3110         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3111         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3112         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3113         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3114         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3115
3116 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3117             Jan Sjodin  <jan.sjodin@amd.com>
3118             Harsha Jagasia  <harsha.jagasia@amd.com>
3119
3120         PR middle-end/37852
3121         PR middle-end/37883
3122         PR middle-end/37928
3123         PR middle-end/37980
3124         PR middle-end/38038
3125         PR middle-end/38039
3126         PR middle-end/38073
3127         PR middle-end/38083
3128         PR middle-end/38125
3129
3130         * testsuite/gcc.dg/graphite/pr38073.c: New.
3131         * testsuite/gcc.dg/graphite/pr37928.c: New.
3132         * testsuite/gcc.dg/graphite/pr37883.c: New.
3133         * testsuite/gcc.dg/graphite/pr38125.c: New.
3134         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3135         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3136         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3137
3138         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3139         the number of detected scops.  Copy exact same test for loop
3140         blocking...
3141         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3142         loops to be blocked as reductions are not handled.
3143         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3144
3145         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3146         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3147         ...here.
3148         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3149         * Makefile.in (graphite.o): Depend on value-prof.h.
3150         (graphite.o-warn): Removed -Wno-error.
3151         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3152         to be a NULL pointer.  Call update_stmt.  Return the newly created
3153         cannonical induction variable.
3154
3155         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3156
3157         * graphite.c: Reimplement the code generation from graphite to gimple.
3158         Include value-prof.h.
3159         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3160         (get_old_iv_from_ssa_name): Removed.
3161         (graphite_stmt_p): New.
3162         (new_graphite_bb): Test for useful statements before building a
3163         graphite statement for the basic block.
3164         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3165         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3166         reason.
3167         (recompute_all_dominators, graphite_verify,
3168         nb_reductions_in_loop, graphite_loop_normal_form): New.
3169         (scop_record_loop): Call graphite_loop_normal_form.
3170         (build_scop_loop_nests): Iterate over all the blocks of the
3171         function instead of relying on the incomplete information from
3172         SCOP_BBS.  Return the success of the operation.
3173         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3174         (add_bb_domains): Removed.
3175         (build_loop_iteration_domains): Don't call add_bb_domains.
3176         Add the iteration domain only to the basic blocks that have been
3177         translated to graphite.
3178         (build_scop_conditions_1): Add constraints only if the basic
3179         block have been translated to graphite.
3180         (build_scop_data_accesses): Completely disabled until data
3181         dependence is correctly implemented.
3182         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3183         (remove_all_edges_1, remove_all_edges): Removed.
3184         (get_new_name_from_old_name): New.
3185         (graphite_rename_variables_in_stmt): Renamed
3186         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3187         Use replace_exp and update_stmt.
3188         (is_old_iv): Renamed is_iv.
3189         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3190         Use replace_exp and update_stmt.
3191         (expand_scalar_variables_expr): Same.  Use the map to get the
3192         new names for the renaming of induction variables and for the
3193         renaming of variables after a basic block has been copied.
3194         (expand_scalar_variables): Same.
3195         (graphite_rename_variables): Renamed rename_variables.
3196         (move_phi_nodes): Removed.
3197         (get_false_edge_from_guard_bb): New.
3198         (build_iv_mapping): Do not insert the induction variable of a
3199         loop in the renaming iv map if the basic block does not belong
3200         to that loop.
3201         (register_old_new_names, graphite_copy_stmts_from_block,
3202         copy_bb_and_scalar_dependences): New.
3203         (translate_clast): Heavily reimplemented: copy basic blocks,
3204         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3205         At each translation step call graphite_verify ensuring the
3206         consistency of the SSA, loops and dominators information.
3207         (collect_virtual_phis, find_vdef_for_var_in_bb,
3208         find_vdef_for_var_1, find_vdef_for_var,
3209         patch_phis_for_virtual_defs): Removed huge hack.
3210         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3211         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3212         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3213         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3214         if_region_get_condition_block, if_region_set_false_region,
3215         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3216         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3217         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3218         rewrite_into_sese_closed_ssa): New.
3219         (gloog): Remove dead code.  Early return if code cannot be
3220         generated.  Call cleanup_tree_cfg once the scop has been code
3221         generated.
3222         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3223         block loops with less than two loops.
3224         (graphite_apply_transformations): Remove the call to
3225         scop_remove_ignoreable_gbbs.
3226         (limit_scops): When build_scop_loop_nests fails, continue on
3227         the next scop.  Fix open_scop.entry.
3228         (graphite_transform_loops): Call recompute_all_dominators: force the
3229         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3230         Call initialize_original_copy_tables and free_original_copy_tables
3231         to be able to copy basic blocks during code generation.
3232         When build_scop_loop_nests fails, continue on next scop.
3233         (value_clast): New union.
3234         (clast_to_gcc_expression): Fix type cast warning.
3235
3236 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         * Merge from mainline (r140838:141727).
3239
3240 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3241
3242         PR middle-end/37833
3243
3244         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3245
3246 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3247
3248         PR middle-end/37943
3249
3250         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3251         exits and conditions.
3252         * testsuite/gcc.dg/graphite/pr37943.c: New.
3253
3254 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3255
3256         PR middle-end/37886
3257         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3258
3259 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3260
3261         * doc/invoke.texi: Fix spaces.
3262
3263 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3264
3265         PR tree-optimization/37891
3266         Reverted last commit.
3267         * graphite.c (create_single_entry_edge): Set
3268         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3269
3270 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3271             Mitul Thakkar  <mitul.thakkar@amd.com>
3272
3273         * graphite.c (create_single_entry_edge): Set
3274         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3275
3276 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3277
3278         * doc/invoke.texi: Add -fgraphite-identity.
3279         * graphite.c (graphite_apply_transformations): Check for
3280         -fgraphite-identity.
3281         * toplev.c (process_options): Add flag_graphite_identity.
3282         * tree-ssa-loop.c: Add flag_graphite_identity.
3283
3284 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3285
3286         Undo changes from 2008-10-02:
3287         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3288         operand type when copying the operand to a variable of different type.
3289         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3290         with the IV name after increment.
3291
3292 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3293             Harsha Jagasia  <harsha.jagasia@amd.com>
3294
3295         PR tree-optimization/37828
3296         * testsuite/gcc.dg/graphite/pr37828.c: New.
3297         * graphite.c (graphite_trans_loop_block): Do not loop block
3298         single nested loops.
3299
3300 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3301             Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3304         rename_map_elt_info, eq_rename_map_elts): New.
3305         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3306         (expand_scalar_variables_expr): Change parameters.
3307         (expand_scalar_variables_stmt): Same.
3308         (expand_scalar_variables): Same.
3309         (graphite_rename_ivs): Rename graphite_rename_variables.
3310         (build_iv_mapping): New.
3311         (translate_clast): Call build_iv_mapping.
3312         * graphite.h (gbb_p): New name.
3313
3314 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3315
3316         PR tree-optimization/37684
3317         * gcc.dg/graphite/pr37684.c: New.
3318         * graphite.c (exclude_component_ref): New.
3319         (is_simple_operand): Call exclude_component_ref.
3320
3321 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3322             Harsha Jagasia  <harsha.jagasia@amd.com>
3323
3324         PR tree-optimization/37485
3325         * gcc.dg/graphite/block-2.c: New
3326         * graphite.c (gmp_cst_to_tree): Moved.
3327         (iv_stack_entry_is_constant): New.
3328         (iv_stack_entry_is_iv): New.
3329         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3330         (loop_iv_stack_insert_constant): New.
3331         (loop_iv_stack_pop): Use new datatpype.
3332         (loop_iv_stack_get_iv): Same.
3333         (loop_iv_stack_get_iv_from_name): Same.
3334         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3335         (loop_iv_stack_patch_for_consts): New.
3336         (loop_iv_stack_remove_constants): New.
3337         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3338         (translate_clast): Call loop_iv_stack_patch_for_consts and
3339         loop_iv_stack_remove_constants.
3340         (gloog): Use new datatype.  Redirect construction edge to end
3341         block to avoid accidental deletion.
3342         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3343         iv stack entry.
3344         (union iv_stack_entry_data): New.  Data in iv stack entry.
3345         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3346
3347 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3348
3349         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3350         operand type when copying the operand to a variable of different type.
3351
3352 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3353
3354         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3355         with the IV name after increment.
3356
3357 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * Merge from mainline (r140164:140838).
3360
3361 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3362
3363         * graphite-data-ref.c: New.
3364         * graphite.c (print_scop): Also dump the dependence graph.
3365         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3366         (new_scop): Initialize SCOP_DEP_GRAPH.
3367         (build_scop_dynamic_schedules): New.
3368         (build_access_matrix_with_af): Fixed column numbering.
3369         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3370         * graphite.h: Add ifndef/define guards against multiple inclusion.
3371         (struct scop): Add dep_graph field.
3372         (SCOP_DEP_GRAPH): Defined.
3373         (ref_nb_loops): Fixed and moved to other position.
3374         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3375         (nb_loops_around_loop_in_scop): New.
3376         (graphite_dump_dependence_graph): Declared.
3377         (graphite_build_rdg_all_levels): Declared.
3378         (graphite_test_dependence): Declared.
3379         * Makefile.in (graphite-data-ref.o): New target.
3380
3381 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3382
3383         * Merge from mainline (139870:140164).
3384
3385 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         * Merge from mainline (138275:139870).
3388         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3389         the commits from trunk broke the niter detection.
3390
3391 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3392
3393         * graphite.c: Add more documentation.  Fix formatting.
3394         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3395         loop_iv_stack_debug): Moved...
3396         (schedule_to_scattering): Move before use.
3397         (dot_all_scops): Include in "#if 0" the code for system
3398         call dotty.
3399
3400         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3401         loop_iv_stack_debug): ...here.
3402
3403 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3404
3405         * tree-phinodes.c (make_phi_node): Extern.
3406         (add_phi_node_to_bb): New.
3407         (create_phi_node): Call add_phi_node_to_bb.
3408         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3409         (remove_statement): Handle case where stored phi was updated
3410         and is no longer the same.
3411         * graphite.c (is_parameter): New.
3412         (is_old_iv): New.
3413         (expand_scalar_variables_expr): New.
3414         (expand_scalar_variables_stmt): New.
3415         (expand_scalar_variables): New.
3416         (move_phi_nodes): Create new phi instead of moving old one.
3417         (translate_clast): Call expand_scalar_variables.
3418         (find_vdef_for_var_in_bb): Also scan regular definitions.
3419         (skip_phi_defs): New.
3420         (collect_scop_exit_phi_args): New.
3421         (patch_scop_exit_phi_args): New.
3422         (gloog): Patch phis after scop.
3423         * tree-flow.h: (add_phi_node_to_bb): Declared.
3424         (make_phi_node): Declared.
3425
3426 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3427
3428         * graphite.c (end_scop): Split the entry of the scop when it
3429         is the header of the loop in which the scop is ending.
3430         (build_scops_1, limit_scops): Update uses of end_scop.
3431
3432 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3433
3434         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3435         SCOP_ENTRY or SCOP_EXIT.
3436
3437 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3438
3439         * graphite.c (get_construction_edge): Removed.
3440         (gloog): Construction edge is the scop entry edge.
3441
3442 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3443
3444         * graphite.c (can_generate_for_scop): Removed.
3445         (gloog): Do not call it.
3446
3447 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3448
3449         * graphite.c (new_scop): Entry of a scop is an edge.
3450         Initialize SESE region.
3451         (free_scop): Free SESE region.
3452         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3453         (split_difficult_bb): New, split from end_scop.
3454         (end_scop): Exit of a scop is an edge.
3455         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3456         not automatically updated and thus is always wrong.
3457         * graphite.h (struct sese): New.
3458         (SESE_ENTRY): New.
3459         (SESE_EXIT): New.
3460         (struct scop): New field for a SESE region.  Remove entry, exit.
3461         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3462         semantics as before.  Moved comment around.
3463
3464 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3465             Sebastian Pop  <sebastian.pop@amd.com>
3466
3467         * graphite.c (graphite_transform_loops): Always enable gloog
3468         and find_transform when ENABLE_CHECKING.
3469
3470 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3471
3472         * graphite.c (graphite_transform_loops): Move pretty printer
3473         of SCOPs before doing any transform.  Remove call to print_scops
3474         and dot_all_scops_1.
3475
3476 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3477
3478         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3479         (print_graphite_bb): Same.
3480
3481 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3482
3483         * graphite.c (dot_all_scops_1): Cleanup.
3484         (move_scops): Fix comment.
3485
3486 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3487
3488         * graphite.c (build_scop_bbs): Revert commit 139355:
3489
3490         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3491                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3492
3493                 * graphite.c (build_scop_bbs): Factor up code.
3494
3495 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3496
3497         * graphite.c (gloog): Update dominator info.
3498
3499 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3500
3501         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3502
3503 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3506         initialization.
3507         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3508         (translate_clast): Correct formatting.
3509         * graphite.h (struct num_map): Removed.
3510         (struct graphite_bb): Remove num_map field.
3511         (GBB_INDEX_TO_NUM_MAP): Removed.
3512
3513 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3514
3515         * graphite.c (build_access_matrix_with_af): Fix comments.
3516         (build_scop_data_accesses): Same.
3517
3518 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * graphite.c (build_scop_data_accesses): Don't construct
3521         access matrices.  Add a FIXME and an assert condition that
3522         should pass when the access matrices will be needed.
3523
3524 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3527         really_constant_p.
3528         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3529         Moved close by free_graphite_bb.
3530         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3531         (new_scop): Move close by free_scop.
3532         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3533
3534 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3535
3536         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3537         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3538         instead of recursive call.
3539         (graphite_translate_clast_equation): New.
3540         (graphite_create_guard_cond_expr): New.
3541         (graphite_create_new_guard): New.
3542         (get_stack_index_from_iv): Removed.
3543         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3544         (get_true_edge_from_guard_bb): New.
3545         (translate_clast): Handle stmt_guard in clast.
3546         (get_construction_edge): Allow construction edge detection for
3547         a scope entry with multiple predecessors if one predecessor is
3548         the immediate dominator of scope entry.
3549         (can_generate_code_stmt): Enable code generation for clast_guard.
3550         (gloog): Use correct context loop.  Removed check for post dominators.
3551         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3552
3553 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3554
3555         * graphite.c (remove_dead_loops): Document better which
3556         loops are removed.
3557
3558 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3561         and PPLINC.
3562         (graphite.o): Also depends on pointer-set.h.
3563
3564 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3565
3566         * graphite.c (scop_record_loop): Fix compile warning.
3567
3568 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3569             Sebastian Pop  <sebastian.pop@amd.com>
3570
3571         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3572
3573 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * graphite.c (build_graphite_bb): Initialize bb->aux to
3576         point to the graphite_bb_p.
3577         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3578         content of bb->aux.
3579         (add_bb_domains): Does not use the scop parameter.
3580         (graphite_transform_loops): Clean bb->aux at the end.
3581
3582 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3583             Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * testsuite/lib/target-supports.exp
3586         (check_effective_target_fgraphite): New.
3587
3588         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3589         check_effective_target_fgraphite returns false.
3590         Set dg-do-what-default to compile.
3591         (scan-graphite-dump-times): Removed.
3592         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3593
3594         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3595         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3596         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3597         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3598         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3599         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3600         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3601         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3602         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3603         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3604         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3605         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3606         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3607         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3608         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3609         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3610         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3611         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3612         * testsuite/gcc.dg/graphite/block-0.c: Same.
3613         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3614         * testsuite/gcc.dg/graphite/block-1.c: Same.
3615         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3616         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3617         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3618         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3619         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3620
3621 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         * graphite.c: Fix some XXX comments.
3624         (build_scop_dynamic_schedules): Removed.
3625
3626 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3627
3628         * graphite.h (scop_max_loop_depth): Moved...
3629         * graphite.c (scop_max_loop_depth): ...here.
3630         (remove_all_edges_1): New.
3631         (remove_all_edges): Factored code.
3632         (remove_cond_exprs): Check only the last statement for
3633         a GIMPLE_COND expression.
3634
3635 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3636
3637         * graphite.c (scan_tree_for_params): Early return when the
3638         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3639         (find_scop_parameters): Factor out code.
3640         (graphite_trans_bb_strip_mine): Remove dead code.
3641
3642 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3643
3644         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3645         graphite_trans_bb_move_loop): Factor asserts.
3646         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3647         Do not call calculate_dominance_info and estimate_bb_frequencies.
3648
3649 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3650
3651         * graphite.c (create_loops_mapping, free_loops_mapping,
3652         create_loops_mapping_num, debug_loop_mapping_1,
3653         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3654         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3655         graphite_loops_mapping_add_child_num,
3656         graphite_loops_mapping_insert_child,
3657         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3658         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3659         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3660         create_num_from_index, get_num_from_index,
3661         swap_loop_mapped_depth): Removed.
3662         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3663         (free_scop): Do not call free_loops_mapping.
3664         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3665         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3666         get_loop_mapped_depth.
3667         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3668         (graphite_trans_bb_strip_mine): Same.
3669         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3670         (struct scop): Remove field loops_mapping.
3671
3672 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3673             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3674
3675         * graphite.c (scop_record_loop): Factor out one level of the
3676         condition by early return.
3677         (build_scop_loop_nests): Format following FSF coding style.
3678         (build_scop_dynamic_schedules): Factor out code.
3679         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3680
3681 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3682             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3683
3684         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3685         assignments that are not handled as simple operands for now.
3686
3687 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3688             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3689
3690         * graphite.c (build_scop_bbs): Factor up code.
3691
3692 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3693             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3694
3695         * graphite.c (stmt_simple_for_scop_p): Factor code out
3696         of the loop.
3697         (enum gbb_type): New.  Group all the GBB_* types under it.
3698         (is_loop_exit): Moved...
3699         (end_scop): Enable BB spliting.
3700         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3701         * cfgloop.h (is_loop_exit): Declared.
3702
3703 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3704
3705         * doc/invoke.texi: Remove strides from examples containing
3706         DO loops when the strides are equal to 1.
3707
3708 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3709             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3710
3711         * graphite.c (graphite_trans_scop_block): Or the result with
3712         the result from graphite_trans_loop_block.
3713         * testsuite/gcc.dg/graphite/block-1.c: New.
3714         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3715         * testsuite/gfortran.dg/graphite/block-2.f: New.
3716
3717 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3718
3719         * graphite.c (graphite_transform_loops): Call cloog_initialize
3720         and cloog_finalize.
3721
3722 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3723
3724         * tree-data-ref.c) (stmt_simple_memref_p): New.
3725         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3726         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3727         (is_simple_operand): Call stmt_simple_memref_p.
3728
3729         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3730         using pointer arithmetic, as this is optimized by PRE and
3731         makes the code too difficult to analyze.
3732
3733         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3734
3735 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3736
3737         * gdbinit.in (pgg): New.
3738
3739 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3740
3741         * graphite.c (graphite_trans_loop_block): Fix warning.
3742
3743 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3744
3745         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3746
3747 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3748
3749         * graphite.c (graphite_trans_bb_block): Remove check for
3750         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3751         Check if loop blocking is profitable for every loop, before applying
3752         the changes.
3753         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3754         if flag_loop_block is set.
3755
3756 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3757
3758         * graphite.c: Add some more documentation for the loop
3759         mapping.
3760
3761 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3764         * graphite.c: Format on less than 80 columns.
3765         * graphite.h: Same.
3766
3767 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3768
3769         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3770
3771 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         * doc/invoke.texi (floop-block, floop-strip-mine,
3774         floop-interchange): Update documentation with examples.
3775
3776 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3779         add_referenced_var.
3780         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3781
3782 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3783
3784         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3785         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3786         * tree-scalar-evolution.c: Revert useless changes.
3787         * tree-phinodes.c: Same.
3788         * cfghooks.c: Same.
3789         * vec.h: Same.
3790         * tree-vectorizer.h: Same.
3791         * tree-flow.h: Same.
3792         * tree-cfg.c: Same.
3793         * common.opt (fgraphite): Update documentation.
3794
3795 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3796
3797         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3798         -floop-interchange): Add more text for explaining what each of these
3799         flags is doing.
3800         * tree-into-ssa.c (gimple_vec): Moved to...
3801         * graphite.c: Include gimple.h.
3802         (gimple_vec): Moved to...
3803         (del_loop_to_cloog_loop): Removed.
3804         (loop_affine_expr): Do not call create_data_ref when the
3805         operand is a constant.
3806         (new_scop): Use free instead of del_loop_to_cloog_loop.
3807         * Makefile.in (graphite.o): Depend on GIMPLE_H.
3808         * gimple.h (gimple_vec): ... here.
3809
3810 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3811
3812         * graphite.c (scopdet_bb_info): Only allow loops with known number of
3813         latch executions.
3814         (build_loop_iteration_domains): Fail, if latch executions unknown.
3815
3816 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3817
3818         * graphite.c (add_conditions_to_domain): New.
3819         (build_scop_conditions_1): Call add_conditions_to_domain.
3820         (set_cloog_options): Allow to disable optimizations.
3821
3822 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3823
3824         * graphite.c (find_params_in_bb): Look for parameters in conditions.
3825         Do not use walk_dominator_tree.
3826         (find_scop_parameters): Do not use walk_dominator_tree.
3827
3828 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3829
3830         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
3831         (idx_record_params): Adapt.
3832         * graphite.h (scop_gimple_loop_depth): New.
3833
3834 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3835
3836         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
3837         (scan_tree_for_params): Remove value_init.
3838         (build_scop_context): Remove value_init.
3839         (build_loop_iteration_domains): Remove value_init.
3840         (schedule_to_scattering): Remove value_init.
3841         (graphite_trans_bb_strip_mine): Remove value_init.
3842
3843 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3844
3845         * gcc/graphite.c (limit_scops): New.
3846         (graphite_transform_loops): Add limit SCoPs.
3847         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
3848         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
3849         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
3850         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
3851         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
3852         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
3853         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
3854         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
3855         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
3856         Change loop numbers.
3857         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
3858         Change loop numbers.
3859         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
3860         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
3861         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
3862         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
3863         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
3864         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
3865         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
3866         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
3867         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
3868         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
3869
3870 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3871
3872         * graphite.c (graphite_transform_loops): Call always find_transform.
3873
3874 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3875
3876         * graphite.c (free_loops_mapping): New.
3877         (stmt_simple_for_scop_p): Fix typo.
3878         (stmt_simple_for_scop_p): Fix tuples functions, that
3879         broke polyhedron.
3880         (free_graphite_bb): Fix some memleaks.
3881         (free_scop): Fix some memleaks.
3882         (scopdet_bb_info): Do not forget some tmp SCoPs.
3883         (find_params_in_bb): Fix some memleaks.
3884         (clast_to_gcc_expression): Fix warning.
3885
3886 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3887
3888         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
3889         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
3890
3891 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3892
3893         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
3894         Move code ifdef-ed HAVE_cloog...
3895         * graphite.c: Include toplev.h.
3896         ... here.
3897         * Makefile.in (OBJS-common): Always build graphite.o.
3898         (BACKEND): Remove @GRAPHITE@.
3899         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
3900         (graphite.o): Depend on TOPLEV_H.
3901
3902 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
3903
3904         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
3905         Remove typo left from polylib to ppl conversion.
3906         * graphite.c (graphite_transforms): Use sorry instead of fatal.
3907
3908 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * toplev.c (process_options): Move the graphite loop optimization
3911         flags...
3912         * tree-ssa-loop.c (graphite_transforms): ... here.
3913         When not configured with CLooG, print to dump_file that
3914         Graphite transforms were not performed.
3915         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
3916         New.
3917         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
3918         scan-graphite-dump-times.
3919
3920 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3921
3922         * graphite.c (dot_scop, dot_all_scops): Do not call system.
3923         Do not open /tmp/scop.dot and /tmp/allscops.dot.
3924
3925 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
3926             Jan Sjodin  <jan.sjodin@amd.com>
3927
3928         * configure: Regenerated.
3929         * omp-low.c (expand_omp_sections): Remove now unused code.
3930         * config.in (HAVE_polylib): Removed.
3931         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
3932         (PPLLIBS, PPLINC): Added.
3933         * graphite.c: Replace unsigned with int wherever possible.
3934         Don't access Cloog's data structures, but use accessor functions.
3935         Clast's stmt->type is now implemented as a vtable: change the
3936         switches of stmt->type into ifs.
3937         (polylib/polylibgmp.h): Don't include.
3938         (initialize_dependence_polyhedron,
3939         initialize_data_dependence_polyhedron, is_empty_polyhedron,
3940         statement_precedes_p, test_dependence, build_rdg_all_levels,
3941         dump_dependence_graph): Removed until this code is cleaned up
3942         or ported to Cloog.
3943         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
3944         (POLYLIBINC): Renamed PPLINC.
3945
3946 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
3947             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3948             Jan Sjodin  <jan.sjodin@amd.com>
3949
3950         Finish the merge and tuplification of graphite.
3951
3952 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
3953             Jan Sjodin  <jan.sjodin@amd.com>
3954
3955         Partial merge from mainline (138072:138275).
3956         * graphite.c still has to be tuplified.
3957
3958 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
3959
3960         * graphite.c (graphite_loops_mapping_max_loop_num): New.
3961         (create_num_from_index): New.
3962         (get_num_from_index): Also pass in the graphite BB.
3963         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
3964         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
3965         (graphite_trans_bb_strip_mine): Call create_num_from_index.
3966         (is_interchange_valid): Return false when failing.
3967         * graphite.h (struct num_map): New.
3968         (struct graphite_bb): New field num_map.
3969         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
3970
3971 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3972
3973         * graphite.c (dump_gbb_conditions): Print also conditions like
3974         "if (a)".  Remove dublicated code and use print_generic_expr ().
3975         (stmt_simple_for_scop_p): Only allow conditions we can handle
3976         {<, <=, >, >=}.
3977
3978 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3979
3980         * graphite.h (struct scop): Removed new_ivs field.
3981         (SCOP_NEWIVS): Deleted.
3982         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
3983         clast_to_gcc_expression, graphite_create_new_loop):
3984         Removed use of new_ivs.
3985
3986 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
3987
3988         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
3989         create_loops_mapping_num, debug_loop_mapping_1): New.
3990         (debug_loop_mapping): Call debug_loop_mapping_1.
3991         (get_loop_mapping_for_num,
3992         graphite_loops_mapping_add_child,
3993         graphite_loops_mapping_add_child_num,
3994         graphite_loops_mapping_insert_child,
3995         graphite_loops_mapping_parent,
3996         split_loop_mapped_depth_for_num,
3997         loop_mapped_depth_split_loop): New.
3998         (increment_loop_mapped_depths): Removed.
3999         (swap_loop_mapped_depth_for_num): Reimplemented.
4000         (new_scop): Call create_loops_mapping.
4001         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4002         (translate_clast): Pass the old loop father in parameter, and pass
4003         it to get_old_iv_from_ssa_name.
4004         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4005         can_generate_code, can_generate_for_scop): New.
4006         (graphite_trans_bb_block): Returns false when it fails to transform.
4007         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4008
4009 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4010
4011         Reverted all the changes related to the streamization and
4012         loop fusion.
4013         These changes are now tracked in the streamization branch.
4014
4015 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4016             Jan Sjodin  <jan.sjodin@amd.com>
4017
4018         * graphite.c (gbb_compare): Correctly constify.
4019         (gbb_can_be_ignored): Indent.
4020         (graphite_trans_scop_swap_1and2): Add legality check.
4021         Remove dead FIXMEs.
4022
4023 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4024
4025         Remove fallouts from "Reverted the Condate changes".
4026         * tree.h: Remove unused decl.
4027         * testsuite/gcc.dg/tree-checker: Same.
4028         * timevar.def: Remove counter.
4029
4030 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4031
4032         * Merge from mainline (135673:138072).
4033
4034         Reverted the MIRO changes (from 2008-04-05) that are now
4035         tracked in the miro branch.
4036         * tree-bounds.c: Removed.
4037         * tree-bounds.h: Removed.
4038
4039         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4040         are now tracked in the condate branch.
4041         * tree-check.c: Removed.
4042         * tree-match.c: Removed.
4043         * condate.y: Removed.
4044
4045 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4046
4047         * common.opt: New user flag -floop-block, -floop-strip-mine
4048         and -floop-interchange.
4049         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4050         graphite loop optimization flags is turned on.
4051         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4052         flag_loop_strip_mine and flag_loop_interchange checks before
4053         optimizations.
4054         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4055         -floop-strip-mine and -floop-interchange.
4056         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4057         -fgraphite.
4058         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4059         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4060         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4061
4062 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4063             Sebastian Pop  <sebastian.pop@amd.com>
4064
4065         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4066         (create_empty_loop_on_edge): More fixes.
4067         * tree-phinodes.c (resize_phi_node): Extern.
4068         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4069         * cfghooks.c (update_dominator_information): New split from
4070         split_edge.
4071         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4072         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4073         successor of the function entry block.
4074
4075         * graphite.c: Include pointer-set.h.
4076         (debug_loop_mapping, increment_loop_mapped_depths,
4077         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4078         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4079         swap_loop_mapped_depth_for_num, get_num_from_index,
4080         swap_loop_mapped_depth, loop_iv_stack_debug,
4081         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4082         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4083         get_old_iv_from_ssa_name): New.
4084         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4085         (free_scop): Free SCOP_LOOPS_MAPPING.
4086         (scop_record_loop): Record old ivs.
4087         (create_var_name): Removed.
4088         (initialize_cloog_names): Allocate double space in case strip mine
4089         applies to all loops once.
4090         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4091         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4092         translation.
4093         (graphite_create_new_loop): Pass in ivstack.
4094         (remove_all_edges): Pass in the construction_edge.
4095         (graphite_remove_iv): Removed.
4096         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4097         remove_cond_exprs): Rewritten.
4098         (move_phi_nodes): New.
4099         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4100         (translate_clast): Pass in ivstack.  Rewrite some cases.
4101         (set_cloog_options, debug_clast_stmt): New.
4102         (find_transform): Use set_cloog_options.
4103         (outermost_loop_layer): Removed.
4104         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4105         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4106         mark_old_loops, remove_dead_loops): New.
4107         (gloog): Rewritten.
4108         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4109         (const_column_index, get_first_matching_sign_row_index,
4110         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4111         get_upper_bound): New.
4112         (graphite_trans_bb_strip_mine): Also update the iv map.
4113
4114         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4115         (struct name_tree): Add a loop field.
4116         (struct scop): Add a graphite_loops_mapping field.
4117         (SCOP_LOOPS_MAPPING): New.
4118         (debug_clast_stmt): Declare.
4119         * lambda.h (find_induction_var_from_exit_cond): Declare.
4120         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4121         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4122         (create_empty_loop_on_edge): Updated.
4123         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4124         rename_variables_in_bb): Declare.
4125         * tree-cfg.c (remove_bb): Extern.
4126
4127         * testsuite/gcc.dg/graphite/block-0.c: New.
4128
4129 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4130             Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         * graphite.c (strip_mine_profitable_p): New.
4133         (graphite_trans_bb_block): Disable strip mining if not profitable.
4134
4135         * testsuite/gcc.dg/graphite/scop-18.c: New.
4136         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4137         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4138
4139 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4140             Jan Sjodin  <jan.sjodin@amd.com>
4141             Sebastian Pop  <sebastian.pop@amd.com>
4142
4143         * graphite.c (is_interchange_valid): New.
4144         (graphite_trans_bb_block): Check loop nest of basic block for legality
4145         of interchange.
4146
4147         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4148         outer_most_loop, gbb_outer_most_loop_index): New.
4149
4150         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4151         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4152         * testsuite/gcc.dg/graphite/scop-16.c: New.
4153         * testsuite/gcc.dg/graphite/scop-17.c: New.
4154
4155 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4156
4157         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
4158         (graphite_trans_scop_block): Ignore SCoPs without bbs.
4159
4160 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4161
4162         * graphite.c (new_scop): Initialize SCOP_EXIT.
4163         (scopdet_info): Add.
4164         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
4165         (build_scops_1): Cleanup, bugfixes.
4166         (build_scops): Cleanup.
4167
4168         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
4169         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
4170
4171 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4172
4173         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
4174
4175         * testsuite/gfortran.dg/graphite/graphite.exp: Use
4176         DEFAULT_GRAPHITE_FLAGS.
4177
4178         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
4179
4180 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4181
4182         * graphite.c (scan_tree_for_params): Do not assert any more if
4183         MULT_EXPR parameter is negative.
4184
4185         * testsuite/gfortran.dg/graphite/scop-1.f: New.
4186
4187         * testsuite/gfortran.dg/graphite/graphite.exp: New.
4188
4189         * testsuite/gcc.dg/graphite/scop-15.c: New.
4190
4191 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4192
4193         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
4194
4195 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4196
4197         * graphite.c (graphite_trans_bb_swap_loops): Rename from
4198         graphite_swap_loops.
4199         (graphite_trans_bb_move_loop): New.
4200         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
4201         (graphite_trans_bb_block): New.
4202         (graphite_trans_loop_block): New.
4203         (graphite_trans_scop_swap_1and2): Rename from
4204         graphite_trans_swap_1and2.
4205         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
4206         (graphite_trans_scop_block): New.
4207         (graphite_apply_transformations): Rename from
4208         graphite_transformations.
4209
4210         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
4211
4212 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4213
4214         * graphite.c (gbb_compare): New.
4215         (graphite_sort_gbbs): New.
4216         (gbb_can_be_ignored): New.
4217         (scop_remove_ignoreable_gbbs): New.
4218         (graphite_transformations): Cleanup and add
4219         scop_remove_ignoreable_gbbs.
4220         * lambda.h (lambda_vector_compare): New.
4221
4222 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4223
4224         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4225         (graphite_swap_loops): int -> unsigned
4226         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4227         (graphite_transformations): New.
4228         (graphite_transform_loops): Move to graphite_transformations.
4229         * graphite.h (gbb_nb_loops): Return unsigned.
4230
4231 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4232
4233         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4234         the domain matrix.  This makes scop-0.c work again.
4235
4236 2008-06-20  Richard Guenther  <rguenther@suse.de>
4237
4238         * graphite.h: Adjust copyright to GPLv3.
4239         * graphite.c: Likewise.
4240         (stmt_simple_memref_for_scop_p): Split out from ...
4241         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4242         and simplify.
4243         (get_bb_type): Optimize.
4244         (is_pred): Remove.
4245         (is_bb_addable): Fix memleak, replace is_pred call with
4246         single_pred.
4247         (build_scops): Use current_loops.
4248         (param_index): Fix memleak.
4249
4250 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4251
4252         * graphite.c: Fix formatting.
4253
4254 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4255
4256         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4257         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4258         (create_var_name, save_var_name): Newly defined functions.
4259         (initialize_cloog_names): Part of the code factored out to
4260         save_var_name.
4261         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4262         in clast_reduction statement.
4263         (graphite_create_new_loop): Now takes a new parameter
4264         for outer_loop.
4265         (translate_clast): Now also takes the context_loop and bb_exit
4266         parameters. Rewritten the code so that it creates a gimple code
4267         inside the given context.
4268         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4269         remove_cond_expr, disconnect_cond_expr,
4270         disconnect_virtual_phi_nodes): Newly defined functions.
4271         * graphite.h (struct scop): added old_ivs vector.
4272         SCOP_OLDIVS: New macro.
4273
4274 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4275
4276         * cfgloopmanip.c: Add missing function comments, fix formatting.
4277
4278 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4279
4280         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4281         (create_empty_loop_on_edge): Defined.
4282         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4283         instead of void.
4284         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4285         (update_dominators_in_loop): Declared as extern
4286         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4287
4288 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4289
4290         * graphite.c (print_graphite_bb): Allow changing number of loops
4291         in SCoP domain.
4292         (initialize_cloog_names): Allow changing number of loops.
4293         (build_cloog_prog): Simplify.
4294         (find_transform): Enable cloog option --strides.
4295         (graphite_swap_loops): New.
4296         (graphite_strip_mine_loop): New.
4297         (graphite_trans_swap_1and2): New.
4298         (graphite_trans_strip): New.
4299         (graphite_transform_loops): Add graphite_trans_strip.
4300         * graphite.h (scop_max_loop_depth): New.
4301
4302 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4303
4304         * graphite.c (build_scop_iteration_domain): Remove forgotten
4305         line. (Fixes compile)
4306
4307 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4308
4309         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4310         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4311         (build_bb_loops): New.
4312         (graphite_transform_loops): Add build_bb_loops.
4313         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4314         numbers.
4315         * graphite.h (graphite_bb): Add loops.
4316         (gbb_nb_loops): New.
4317         (gbb_loop_at_index): New.
4318         (gbb_loop_index): New.
4319         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4320         using nb_params_in_scop.
4321
4322 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4323
4324         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4325         (build_scop_canonical_schedules): Build minimized schedule.
4326         (schedule_to_scattering): Adapt to minimized schedule.
4327         * graphite.h (graphite_bb): Add/Update descriptions.
4328
4329 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4330             Tobias Grosser  <grosser@fim.uni-passau.de>
4331
4332         * graphite.c (print_graphite_bb): Add condition printing.
4333         (dump_value): New.
4334         (dump_gbb_conditions): New.
4335         (build_scop_conditions_1): New.
4336         (build_scop_conditions): New.
4337         * graphite.h (graphite_bb): Add conditions.
4338
4339 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4340
4341         * graphite.c (print_graphite_bb):
4342         (free_graphite_bb): New.
4343         (free_scop): Free bbs.
4344         (get_bb_type): Free doms.
4345         (build_scop_context): Free context matrix.
4346         (build_loop_iteration_domains): Remove unused code.
4347         (build_cloog_prog): Free scattering function and blocklist.
4348         (find_transform): Free options.
4349
4350 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4351
4352         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4353         Remove unnecessery cloog data structures. Make a copy of the domain
4354         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4355         unnecessary cloog data structures. Fix memory leaks. Remove insert
4356         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4357         used.
4358         (build_scop_iteration_domain): Remove unnecessary cloog
4359         data structures.  Fix memory leaks.
4360         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4361         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4362
4363 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4364
4365         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4366
4367 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4368
4369         * graphite.c (end_scop): Style fix.
4370         (schedule_to_scattering): Style and comment fix.
4371
4372 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4373         * graphite.c (print_graphite_bb): Fix definiton of
4374         schedule_to_scattering.
4375         (initialize_cloog_names): Change nb_scattdims to max loop
4376         depth in SCoP.
4377         (schedule_to_scattering): Take parameter for number of scattering
4378         dimensions.
4379         (build_cloog_prog): Only build as much scattering dimensions as
4380         necessary.
4381
4382 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4383
4384         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4385         in polyhedron/aermod.f90.
4386
4387 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4388             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4389             Harsha Jagasia  <harsha.jagasia@amd.com>
4390
4391         * graphite.c (is_bb_addable): Fix segfault.
4392
4393 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4394
4395         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4396         with multiple exits and conditional handling in edge cases.
4397         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4398
4399         * testsuite/gcc.dg/graphite/scop-14.c: New.
4400
4401 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4402             Adrien Eliche  <aeliche@isty.uvsq.fr>
4403
4404         * graphite.c (is_bb_addable): Add more comments and enhance
4405         readablity of the source code. Fix memory leak.
4406         (is_loop_exit): Fix memory leak.
4407
4408 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4409
4410         * graphite.c (first_loop_in_scop): Deleted.
4411         (setup_cloog_loop): Only walk the loop chain for inner loops.
4412         (build_scop_iteration_domain): Execute setup_cloog_loop for
4413         all loops in the first layer.
4414
4415 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4416
4417         * graphite.c (scan_tree_for_params): Change the way params are
4418         added to be indepenent of the number of loops.
4419         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4420         handling.
4421         (build_cloog_prog): Revert to short matrix format.
4422
4423 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4424             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4425
4426         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4427         warning.
4428
4429 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4430
4431         * graphite.c (nb_data_refs_in_scop): New.
4432         (graphite_transform_loops): Print more stats: number of
4433         loops, basic blocks and data references per scop.
4434
4435 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4436             Jan Sjodin  <jan.sjodin@amd.com>
4437
4438         * graphite.c (loop_affine_expr, idx_record_params,
4439         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
4440         instead of instantiate_parameters.
4441
4442 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4443
4444         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
4445         add support for parameters, add STATIC_SCHEDULE at the right places,
4446         cleanup.
4447
4448 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4449
4450         * graphite.c (build_scop_loop_nests): Only add the loops, that
4451         are contained completely in the SCoP.
4452         (build_cloog_prog): Disable scattering, until schedule_to_scattering
4453         and the domains are fixed.
4454         (build_scop_canonical_schedules): Add support for bbs not contained
4455         in any SCoP.
4456
4457 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4458
4459         * graphite.h (scop_contains_loop): Update comments to match
4460         the actual behavior.
4461         (scop_contains_loop): New.
4462         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
4463
4464 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4465
4466         * graphite.c (get_bb_type): On function body, i.e. loop_0,
4467         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
4468         as GBB_COND_HEADER.
4469
4470 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4471             Tobias Grosser  <grosser@fim.uni-passau.de>
4472
4473         * graphite.c (graphite_transform_loops): Early return when
4474         there are no loops in the function.
4475
4476 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4477             Jan Sjodin  <jan.sjodin@amd.com>
4478
4479         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
4480         offset of the last loop.
4481         (setup_cloog_loop): Copy the entire outer constraint matrix.
4482
4483 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4484             Jan Sjodin  <jan.sjodin@amd.com>
4485
4486         * graphite.c (stmt_in_scop_p, function_parameter_p,
4487         invariant_in_scop_p): Removed.
4488         (scan_tree_for_params): Can be used with no constraint
4489         matrix for gathering parameters.
4490         (idx_record_params): Don't use idx_record_param, instead use
4491         scan_tree_for_params.
4492         (find_scop_parameters): Same.
4493         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
4494         Fix the size of loop domains.
4495         (schedule_to_scattering): Exit when the outer loop is not in scop.
4496         (find_transform): Enable build_cloog_prog.
4497
4498 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4499             Jan Sjodin  <jan.sjodin@amd.com>
4500
4501         * graphite.c (schedule_to_scattering): Make scattering domains
4502         uniformly of the same size, as required by CLooG 0.14.0 and before.
4503
4504 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4505             Jan Sjodin  <jan.sjodin@amd.com>
4506
4507         * graphite.c (schedule_to_scattering): Rewrite, correct the
4508         translation of the scheduling function to scattering.
4509         (build_cloog_prog): Call schedule_to_scattering only once.
4510         * graphite.h (scop_loop_index): Do not fail for loops not
4511         in the scop: return -1.
4512
4513 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
4514
4515         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
4516         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
4517         (setup_cloog_loop): Export GBB_DOMAIN.
4518         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
4519         able to rebuild the original control flow.
4520         * graphite.h (graphite_bb): Add domain field and access macro.
4521         (GBB_DOMAIN): New.
4522
4523 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4524
4525         * graphite.c (debug_gbb): New.
4526         (print_scop, build_graphite_bb): Use SCOP_BBS.
4527         (build_scop_bbs): Reimplemented.
4528         (dfs_bb_in_scop_p): Removed.
4529         (build_scop_loop_nests): Reorder loops inserted in
4530         SCOP_LOOP_NEST: outer loops should come first.
4531         (build_scop_canonical_schedules): Reinitialize at zero
4532         the components of the SCOP_STATIC_SCHEDULE for the loops
4533         that have already been parsed.
4534
4535         * graphite.h (debug_gbb): Declared.
4536
4537 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4538             Jan Sjodin  <jan.sjodin@amd.com>
4539
4540         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
4541         (graphite_loop_to_gcc_loop): Removed.
4542         (remove_all_edges): New.
4543         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
4544         (gloog): Remove useless code.
4545
4546 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4547
4548         * graphite.c (get_bb_type): Reworked. We distinguish between
4549         loops with one or multiple exits.
4550         (is_loop_exit): New.
4551         (is_pred): New.
4552         (is_bb_addable): Rework condition handling, now support for case
4553         case statements and loops with multiple exits.
4554
4555         * testsuite/gcc.dg/graphite/scop-11.c: New.
4556         * testsuite/gcc.dg/graphite/scop-12.c: New.
4557         * testsuite/gcc.dg/graphite/scop-13.c: New.
4558
4559 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4560
4561         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
4562         we have too many colors.
4563
4564 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
4565
4566         * doc/invoke.texi (-ftree-loop-fusion): Document.
4567         * tree-pass.h (pass_loop_fusion): Declared.
4568         * tree-loop-fusion.c: New.
4569         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
4570         * tree-data-ref.c (find_data_references_in_loop): Make extern.
4571         * tree-data-ref.h (find_data_references_in_loop): Declared.
4572         * common.opt (ftree-loop-fusion): Declared.
4573         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
4574
4575 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
4576
4577         * graphite.c (build_access_matrix): Fix typo from the merge.
4578
4579 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
4580
4581         * Merge from mainline (130800:135673).
4582
4583 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4584
4585         * graphite.c (end_scop): The exit of the scop is not part of the scop.
4586         Update dominators after splitting.
4587
4588 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4589
4590         * graphite.c (is_bb_addable): Return the harmful statement.
4591         Factor up some code.
4592         (end_scop): New.  Splits end of scope bbs on a harmful statement.
4593         (build_scops_1): Call end_scop.
4594
4595 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
4598         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
4599         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
4600         build_scops_1): Removed.
4601         (build_scops_2): Renamed build_scops_1.
4602
4603 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4604
4605         * graphite.c: Fix formatting.
4606
4607 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4608
4609         * graphite.c (get_bb_type): New.
4610         (move_scops): New.
4611         (build_scops_2): New.
4612         (is_bb_addable): New.
4613         (build_scops): Switch the scop detection.
4614         (build_scop_bbs): Add entry bb to scop.
4615         * graphite.h (struct scop): Update comment.
4616
4617 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4618
4619         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
4620         more colors.
4621
4622 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4623
4624         * testsuite/gcc.dg/graphite/scop-1.c: Update.
4625         * testsuite/gcc.dg/graphite/scop-2.c: Update.
4626         * testsuite/gcc.dg/graphite/scop-4.c: Update.
4627         * testsuite/gcc.dg/graphite/scop-5.c: Add.
4628         * testsuite/gcc.dg/graphite/scop-6.c: Add.
4629
4630 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
4631
4632         * testsuite/gcc.dg/graphite/scop-0.c: Add.
4633         * testsuite/gcc.dg/graphite/scop-7.c: Add.
4634         * testsuite/gcc.dg/graphite/scop-8.c: Add.
4635         * testsuite/gcc.dg/graphite/scop-9.c: Add.
4636         * testsuite/gcc.dg/graphite/scop-10.c: Add.
4637
4638 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4639
4640         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
4641         Check affine expressions depending on the outermost loop
4642         instead of a scop.
4643         (stmt_simple_for_scop_p): Same.
4644         (harmfule_stmt_in_scop): Same.
4645
4646 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4647
4648         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
4649         mark entry and exit, that are not part of the SCoP and update HTML
4650         formatting.
4651
4652 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
4653
4654         * graphite.c (basic_block_simple_for_scop_p): Renamed
4655         harmful_stmt_in_bb.
4656         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
4657         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
4658         (all_preds_visited_p, all_succs_visited_p,
4659         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
4660         scop_end_loop): New.
4661         (build_scops): Do not use dfs_enumerate_from.
4662
4663         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
4664
4665 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4666
4667         * graphite.c: Add comments to functions that are missing a
4668         description.
4669         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
4670
4671 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
4672
4673         * graphite.c (nb_params_in_scop): Moved...
4674         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
4675         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
4676         (clast_to_gcc_expression): Reduce column size to less than 80.
4677         (graphite_create_iv): Return the new name of the IV.
4678         (find_transform): Set options->esp and options->cpp.
4679         (gloog): Comment out the invalidation of the old loop code.
4680         (initialize_dependence_polyhedron): Replace scop_nb_params with
4681         nb_params_in_scop.
4682
4683         * graphite.h (nb_params_in_scop): ... here.
4684         (scop_nb_params): Removed.
4685         (loop_domain_dim): Return something even when the loop was not
4686         found in the hash table: avoid ICEing on all the graphite.exp
4687         testcases.
4688
4689 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4690
4691         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
4692
4693         * graphite.c (build_scop_dynamic_schedules): Schedule is built
4694         according to nesting level.
4695         (find_scop_parameters): Call instantiate_parameters.
4696         (scan_tree_for_params): Extend it to handle general affine bounds.
4697         Inner loop bound can depend on outer loop induction variable.
4698         (setup_cloog_loop): tmp variable is allocated on stack. Call
4699         instantiate_parameters with respect to outermost_loop_in_scop.
4700         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
4701         graphite.h.
4702         (create_empty_loop): Function loopify should be given edge
4703         probability, instead of edge frequency. Dominance relation from
4704         switch_bb to loop_header.
4705         (clast_to_gcc_expression): Added handling of clast_reduction node.
4706         (gloog): New functionality for removing old loop.
4707         (test_dependence): Factored out from build_rdg_all_levels.
4708         (build_rdg_all_levels): Dependence testing factored out to
4709         test_dependence function.
4710
4711         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
4712         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
4713         from graphite.c
4714
4715 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4716
4717         * graphite.c (free_scop, param_index, initialize_cloog_names,
4718         nb_params_in_scop): Use name_tree map instead of just a tree
4719         for keeping track of the variable name associated to that tree.
4720         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
4721         clast_to_gcc_expression, graphite_create_iv,
4722         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
4723         graphite_stmt_to_gcc_stmt): New.
4724         (gloog): Call these.
4725         * graphite.h (struct name_tree): New.
4726         (struct scop): Use name_tree instead of tree for params.
4727         Store a vector of name_tree for new_ivs.
4728         (SCOP_NEWIVS): New.
4729         (scop_nb_params): Use name_tree instead of tree.
4730
4731 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
4732             Sebastian Pop  <sebastian.pop@amd.com>
4733
4734         * tree-bounds.c: New.
4735         * tree-bounds.h: New.
4736         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
4737         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
4738         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
4739         flag_mudflap.
4740         * gcc.c: Same.
4741         * toplev.c: Same.
4742         * c-cppbuiltin.c: Same.
4743         * c-pragma.c: Same.
4744         * common.opt: Same.
4745         * varasm.c: Same.
4746         * tree-outof-ssa.c: Same.
4747         * c-common.c: Same.
4748         * Makefile.in: Same.
4749
4750 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
4751             Sebastian Pop  <sebastian.pop@amd.com>
4752
4753         * tree-loop-distribution.c (remaining_stmts,
4754         upstream_mem_writes): Removed static variables.
4755         (copy_loop_before, create_bb_after_loop,
4756         mark_nodes_having_upstream_mem_writes, free_rdg_components,
4757         rdg_build_components, rdg_build_partitions,
4758         dump_rdg_partitions): Extern.
4759         (generate_loops_for_partition, generate_code_for_partition): Do not
4760         return a bool.
4761         (already_processed_vertex_p, predecessor_has_mem_write,
4762         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
4763         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
4764         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
4765         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
4766         Pass remaining_stmts and upstream_mem_writes as parameters.
4767         (rdg_component): Moved...
4768         (build_rdg_partition_for_component): Do not aggregate components when
4769         flag_streamize_loops is set.
4770         (gen_sequential_loops): New.
4771         (ldist_gen): Call gen_sequential_loops.
4772
4773         * tree-pass.h (pass_loop_streamization): Declared.
4774
4775         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
4776         basic blocks when loops structures exist.
4777
4778         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
4779
4780         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
4781
4782         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
4783         eliminate_local_variables_stmt, eliminate_local_variables,
4784         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
4785         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
4786         of code delimited by two edges in the CFG.
4787         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
4788         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
4789         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
4790         the case of parallelisation of reductions.
4791         (create_loop_fn): Extern.
4792         (create_omp_parallel_region): New.
4793
4794         * tree-data-ref.c (dump_data_dependence_relation): Don't call
4795         dump_data_reference for printing dra and drb.
4796         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
4797         RDGE_RELATION.
4798         (build_rdg): Don't call free_dependence_relations for the moment, as
4799         we attach dependence relations on each edge of the RDG.
4800         To be fixed later.
4801
4802         * tree-data-ref.h (rdg_component): ...here.
4803         (struct rdg_edge): New field ddr_p relation.
4804         (RDGE_RELATION): New.
4805         (create_bb_after_loop, copy_loop_before,
4806         mark_nodes_having_upstream_mem_writes, rdg_build_components,
4807         rdg_build_partitions, dump_rdg_partitions,
4808         free_rdg_components): Declared.
4809
4810         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
4811         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
4812
4813         * tree-loop-streamization.c: New.
4814
4815         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
4816         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
4817
4818         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
4819
4820         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
4821
4822         * passes.c: Schedule pass_loop_streamization.
4823
4824 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
4825
4826         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
4827         update comment.
4828
4829 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4830
4831         * graphite.c (dot_all_scops): Update formatting.
4832         Bbs can now be part of more than one SCoP.
4833
4834 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4835
4836         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
4837         malloc problems.
4838         (loop_domain_dim): Check for unregistered toplev SCOP loop.
4839         * graphite.h (loop_to_cloog_loop): New.
4840
4841 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4842
4843         * graphite.c (loop_domain_dim, ref_nb_loops,
4844         loop_iteration_vector_dim): New.
4845         (build_access_matrix_with_af, build_access_matrix,
4846         initialize_dependence_polyhedron): Fixed for new matrix layout.
4847         No longer assume that all iteration domains are of the same
4848         dimensionality.
4849
4850 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4851
4852         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4853         defined in a loop at depth 0 is invariant.
4854         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4855         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4856         be called at loop depth 0.
4857
4858         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
4859         a parameter.
4860         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
4861         (down_open_scop): Removed.
4862         (loop_in_scop_p): Redefined.
4863         (scop_affine_expr): New argument: scop.
4864         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
4865         a harmful statement ending a scop.
4866         (basic_block_simple_for_scop_p): New argument: scop.
4867         (get_loop_start): Removed.
4868         (new_scop): Initialize SCOP_LOOPS.
4869         (free_scop): Free SCOP_LOOPS.
4870         (succs_at_same_depth, preds_at_same_depth): New.
4871         (end_scop): Test the validity of a scop.
4872         (add_dominators_to_open_scops): New.
4873         (test_for_scop_bound): Call add_dominators_to_open_scops.
4874         Add cases for opening and closing multiple scops.
4875         (build_scops, build_scop_bbs): Iterate over basic blocks in
4876         depth first order.
4877         (build_graphite_bb): Pass scop directly.
4878         (dfs_bb_in_scop_p): New.
4879         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
4880         several times.
4881         (nb_loops_around_gb): Use loop_in_scop_p.
4882         (schedule_to_scattering): Disabled for the moment the code computing
4883         the "textual order for outer loop".
4884
4885         * graphite.h (struct scop): New field loops.
4886         (SCOP_LOOPS): New.
4887         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
4888
4889         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
4890
4891 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
4892             Sebastian Pop  <sebastian.pop@amd.com>
4893
4894         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
4895         * common.opt (fstreamize-loops): New.
4896         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
4897         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
4898         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
4899         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
4900
4901 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4902
4903         * tree-data-ref.c (build_empty_rdg): New.
4904         (build_rdg): Use it.
4905         * tree-data-ref.h (build_empty_rdg): Declared.
4906         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
4907         (find_vertex_for_stmt): Removed.
4908         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
4909
4910 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4911
4912         * tree-loop-distribution.c (generate_builtin): After cancelling the
4913         loop tree, also delete basic blocks.
4914         (rdg_flag_uses): Stop recursion when a vertex has already been
4915         processed.
4916
4917 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4918
4919         * graphite.c (build_scop_alpha): Removed.
4920         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
4921         and dump_dependence_graph to avoid compiler warnings.
4922
4923 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4924
4925         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
4926         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
4927         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4928         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
4929         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
4930         (initialize_dependence_polyhedron, find_vertex_for_stmt,
4931         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4932         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
4933         dump_dependence_graph): New.
4934         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
4935         (GBB_ALPHA): New.
4936         (struct scop): New field loop2cloog_loop.
4937         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
4938         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
4939
4940 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4941
4942         * graphite.c (build_graphite_bb): Fix initialization
4943         of the graphite basic block.
4944
4945 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
4948         loop domain matrix.  Pass in the number of loops contained in the
4949         constraint matrix.
4950         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
4951         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
4952         loops that are not surrounding the current loop are not represented
4953         in the domain constraint matrix.
4954         (build_scop_iteration_domain): Initial domain constraint matrix
4955         contains only the eq/ineq, cst, and scop parameters columns.
4956
4957 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4958
4959         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
4960         (print_graphite_bb): Print scattering.
4961
4962 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4963
4964         * graphite.c (initialize_cloog_names): Initialize names of
4965         scattering variables.
4966
4967 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4968
4969         * graphite.c (dot_all_scops_1): Disable debug output while
4970         printing graph.
4971
4972 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4973
4974         * graphite.c (find_transform): Change cloog output language to C.
4975
4976 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
4977
4978         * tree-loop-distribution.c (generate_memset_zero,
4979         generate_builtin, generate_code_for_partition,
4980         rdg_flag_all_uses): New.
4981         (rdg_flag_uses): Gather in the same partition the statements defining
4982         the VUSES of the current statement.
4983         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
4984         Gather in the same partition not only the stores to the same memory
4985         access, but also the reads.
4986         (ldist_generate_loops): Renamed ldist_gen.
4987
4988 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
4989             Tobias Grosser  <grosser@fmi.uni-passau.de>
4990
4991         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
4992         next pointer, don't use the inner pointer.
4993
4994 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
4995
4996         * graphite.c (dot_all_scops, dot_all_scops_1): New.
4997         (find_transform): Call dot_all_1.
4998         * graphite.h (dot_all_scops): Declared.
4999
5000 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5001
5002         * tree-loop-distribution.c: Fix apsi.f ICE.
5003         (create_bb_after_loop): New.
5004         (generate_loops_for_partition): Use it.
5005         * testsuite/gfortran.dg/ldist-1.f90: New.
5006
5007         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5008         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5009
5010 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5011
5012         * graphite.c (find_transform): Dump cloog program sent to cloog.
5013
5014 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5015
5016         * graphite.c (initialize_cloog_names): Initialize cloog
5017         iterator names.
5018
5019 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5020
5021         * graphite.c (build_scop_context): Fix typo, for the matrix
5022         format: insert '0 >= 0' instead of '-1 >= 0'.
5023
5024 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5025
5026         * Fix merge problems.
5027
5028 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5029
5030         * graphite.c (setup_cloog_loop): Fix typo.
5031
5032 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5033
5034         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5035         * tree-loop-distribution.c: Reimplemented.
5036         * tree-pass.h (pass_loop_distribution): New.
5037         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5038         print_loops.
5039         * graphds.h (struct graph): New field indexes.
5040         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5041
5042         * tree-vect-analyze.c: Remove declaration of static functions when not
5043         needed.
5044         * tree-vectorizer.c: Same.
5045         (rename_variables_in_loop): Now extern.
5046         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5047         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5048         calling redirect_edge_and_branch_force.
5049
5050         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5051
5052         * tree-data-ref.c: Don't include tree-chrec.h.
5053         (debug_data_dependence_relations): New.
5054         (dump_data_dependence_relation): Call dump_data_reference on data refs
5055         in the relation.
5056         (same_access_functions): Moved...
5057         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5058         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5059         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5060         struct rdg_vertex_info, ): New.
5061         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5062         at DDR_REVERSED_P.
5063         (create_rdg_vertices): Initialize the htab of graph->indexes.
5064         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5065         (stmts_from_loop): Don't save LABEL_EXPR.
5066         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5067         hash_stmt_vertex_del): New.
5068         (build_rdg): Initialize rdg->indexes.
5069         (free_rdg, stores_from_loop, ref_base_address,
5070         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5071         have_similar_memory_accesses_1, ref_base_address_1,
5072         remove_similar_memory_refs): New.
5073
5074         * tree-data-ref.h: Include tree-chrec.h.
5075         (debug_data_dependence_relations): Declared.
5076         (same_access_functions): ...here.  Now static inline.
5077         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5078         ddr_dependence_level): New.
5079         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5080         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5081         RDG_MEM_READS_STMT): New.
5082         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5083         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5084         rdg_vertex_for_stmt): Declared.
5085         (struct rdg_edge): New field level.
5086         (RDGE_LEVEL, free_rdg): New.
5087         (stores_from_loop, remove_similar_memory_refs,
5088         rdg_defs_used_in_other_loops_p,
5089         have_similar_memory_accesses): Declared.
5090         (rdg_has_similar_memory_accesses): New.
5091
5092         * lambda.h (dependence_level): New.
5093         * common.opt (ftree-loop-distribution): New.
5094         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5095         (print_loop_ir): Renamed print_loops.
5096         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5097         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5098         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5099         (tree-loop-distribution.o): Added.
5100         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5101         (mark_virtual_ops_in_bb): New.
5102         (print_loops_bb, debug_loop_num, debug_loop): New.
5103         * passes.c: Scheduled pass_loop_distribution.
5104
5105 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5106
5107         * graphite.c (scan_tree_for_params): Correct the number of columns
5108         for polylib format.
5109         (nb_flat_iterator): New.
5110         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5111         (build_scop_iteration_domain): Correct the number of columns for
5112         polylib format.
5113
5114 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5115
5116         * Merge from mainline (129697:130800).
5117
5118 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5119
5120         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5121         dominated by SCoP's exit.
5122         (graphite_transform_loops): Compute post dominators.
5123
5124 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5125
5126         * Merge from mainline (127169:129697).
5127
5128 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5129
5130         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5131         parameter for the basic block that contains the expression.  Use
5132         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5133         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5134         the expression.
5135         * graphite.h (gbb_loop): New.
5136         (GBB_LOOP): Removed.
5137
5138 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5139
5140         * Makefile.in: Fix merge problem.
5141
5142 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5143
5144         * Merge from mainline (125309:127169).
5145         * tree-loop-distribution.c: Disabled.
5146
5147 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5148
5149         * Merge from mainline (r123693:125309).
5150
5151 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5152
5153         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
5154         correct_modify_p
5155         (correct_modify_p, check_statements, number_of_lvalue_uses,
5156         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
5157         instead of MODIFY_EXPR.
5158         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
5159         and push new edges.
5160
5161 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
5162
5163         * tree-loop-distribution.c (struct rdg): Replace arrays by
5164         VECs for edges and vertices.
5165         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
5166         (RDGV_NB_PARTITIONS): New.
5167         (PRDG_NBV, PRDG_NBE): Removed.
5168         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
5169         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
5170         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
5171
5172 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
5173             Sebastian Pop  <sebpop@gmail.com>
5174
5175         * doc/invoke.texi (-ftree-loop-distribution): Document.
5176         * tree-loop-distribution.c: New file.
5177         * tree-pass.h (pass_loop_distribution): Declared.
5178         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5179         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
5180         and set reversed_p.
5181         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
5182         (DDR_REVERSED_P): New.
5183         * common.opt (-ftree-loop-distribution): New.
5184         * tree-flow.h (distribute_loops): Declared.
5185         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
5186         * passes.c (init_optimization_passes): Schedule loop distribution.
5187
5188 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
5189
5190         * graphite.c (print_graphite_bb): Don't call dump_data_references.
5191         (print_scop): Don't print when scop is NULL.
5192         (build_scop_context, find_transform): Don't output to stderr.
5193
5194 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
5195
5196         * tree-data-ref.c: Don't include graphite.h.
5197         Comment out the code for printing data reference's scop.
5198         (build_access_matrix_with_af): Moved...
5199         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
5200         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
5201         (print_graphite_bb): Print basic block's schedule.
5202         (print_scop): Don't print the schedule, call cloog's pretty printer.
5203         (bb_in_scop_p): A basic block is in a scop only if it is both
5204         dominated and postdominated by the scop's entry and exit basic blocks.
5205         (function_parameter_p): New.
5206         (invariant_in_scop_p): Use function_parameter_p.
5207         (new_scop, save_scop): New.
5208         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
5209         save_scop.
5210         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
5211         (loop_in_scop_p): New.
5212         (scop_record_loop): Use loop_in_scop_p.
5213         (build_scop_domain): Renamed build_scop_iteration_domain.
5214         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
5215         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5216         setup_cloog_loop, dot_scop_1, dot_scop): New.
5217         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5218         (struct scop): Add a pointer to cloog's representation of a program.
5219
5220 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5221
5222         * doc/invoke.texi (-ftree-check-verbose): Renamed
5223         -ftree-checks-verbose.
5224         * common.opt (flag_tree_check_verbose): Renamed
5225         flag_tree_checks_verbose.
5226         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5227
5228 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5229
5230         * configure: Regenerated.
5231         * config.in: Regenerated.
5232         * tree-ssa-loop.c (graphite_transforms): Execute
5233         graphite_transform_loops only when HAVE_cloog.
5234         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5235         * graphite.c: Include polylibgmp.h and cloog.h.
5236         (graphite_transform_loops): Removed loops parameter.
5237         * tree-flow.h (graphite_transform_loops): Update declaration.
5238         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5239         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5240         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5241         (OBJS-common): Remove dependence on graphite.o.
5242         (BACKEND): Depend on @GRAPHITE@.
5243
5244 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5245
5246         * doc/invoke.texi (-ftree-check-verbose): Documented.
5247         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5248         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5249         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5250         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5251         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5252         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5253         * common.opt (ftree-checks-verbose): New.
5254         * tree-check.c (tree_check_warning): Move extra stderr output
5255         under control of flag_tree_check_verbose.
5256
5257 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5258
5259         * tree-match.c: Fix comments formatting.
5260         * tree-match.h: Fix comments formatting.
5261         * tree-check.c: Fix comments formatting.
5262         (tree_check_init): Restructure.
5263
5264 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5265
5266         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5267
5268 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5269
5270         * Merge from mainline (r120733:123693).
5271
5272 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5273
5274         * condate.y: New file.
5275         * tree-match.h (struct patt_info_s): New field sign.
5276         (struct condate_s): New field msg.
5277         (normalize_condate, name_condate, add_condate): New.
5278         (conds[], condate_parse): Made extern.
5279         * tree-check.c (tree_check_warning): First arg changed to cond;
5280         warning reformatted.
5281         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5282         (tree_scan): New.
5283         (tree_check): Process trivial condates.
5284         (read_delimited_string): Removed.
5285         (print_cond): Print name and msg.
5286         (conds[]): Made extern.
5287         (parse_tree_check_file_once): Rewritten to use the parser in
5288         condate.y.
5289         Processing of option --tree_check_string moved to tree_scan().
5290         * Makefile.in: Added condate.y
5291
5292 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5293
5294         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5295         Use VECs instead of varrays.
5296         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5297         * Makefile.in (pretty-print.o): Depend on vec.h.
5298         * pretty-print.c: Include tree.h and vec.h.
5299         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5300         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5301         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5302         pp_free_list): Use VECs instead of varrays.
5303         * pretty-print.h: Do not include varray.h.
5304         (struct tree_chunk_s): Declaration moved before its use.
5305         (output_buffer): Rename varray field to chunks.
5306         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5307         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5308         save_global_holes): Use VECs instead of varrays.
5309         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5310         * tree-check.c (scan_cfg_stmts, push_node,
5311         print_matching_stmt): Removed.
5312         (tree_check_instance, push_global_holes_if_new, tree_check,
5313         execute_tree_check): Use VECs instead of varrays.
5314         (gate_tree_check): Don't execute the CFG check when basic_block_info
5315         is not available.
5316
5317 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5318
5319         * Merge from mainline (r115016:120733).
5320
5321 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5322
5323         * Merge from mainline (r117632:117661).
5324
5325 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5326
5327         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5328         * tree-pass.h (TDF_DEBUG, debug_p): New.
5329         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5330         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5331         get_loop_exit_condition, analyze_evolution_in_loop,
5332         analyze_initial_condition, analyze_scalar_evolution,
5333         instantiate_parameters, number_of_latch_executions): Use debug_p.
5334         * tree-chrec.c (chrec_apply): Use debug_p.
5335         * tree-data-ref.c: Include graphite.h.
5336         (dump_data_reference): Print also the access matrix.
5337         (analyze_array, analyze_indirect_ref, init_data_ref,
5338         analyze_offset_expr, address_analysis, object_analysis,
5339         create_data_ref, finalize_ddr_dependent,
5340         non_affine_dependence_relation, analyze_ziv_subscript,
5341         analyze_siv_subscript_cst_affine,
5342         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5343         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5344         analyze_miv_subscript, analyze_overlapping_iterations,
5345         build_classic_dist_vector, subscript_dependence_tester,
5346         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5347         (build_access_matrix_with_af): No longer static.
5348         * tree-data-ref.h (scop_p): ... declaration here.
5349         (data_reference.scop): New field.
5350         (DR_SCOP, DR_ACCESS_MATRIX): New.
5351         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5352         * graphite.c (print_graphite_bb): Call dump_data_references.
5353         (print_scop): Use scop_nb_loops and scop_dim_domain.
5354         (test_for_scop_bound): Use debug_p.
5355         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5356         scop_nb_params.
5357         (scop_loop_index): Moved...
5358         (scop_record_loop): New.
5359         (build_scop_loop_nests): Use scop_record_loop.
5360         (build_scop_domain): Use scop_dim_domain.
5361         (build_access_matrix): Implemented.
5362         (build_scop_canonical_schedules): Use scop_nb_loops.
5363         (build_graphite_bb): Initialize GBB_SCOP.
5364         * graphite.h (scop_p): Moved...
5365         (graphite_bb.scop): New field.
5366         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5367         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5368         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5369         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5370         scop_loop_index): New.
5371         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5372
5373 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5374
5375         * Merge from mainline (r117661:120450).
5376
5377 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5378
5379         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5380         at the first declaration outside the varying loop, instantiate as
5381         far as possible.
5382         * tree-chrec.c (for_each_scev_op): New.
5383         * tree-chrec.h (for_each_scev_op): Declared.
5384         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5385         * tree-data-ref.c (get_references_in_stmt,
5386         find_data_references_in_stmt): New, from trunk.
5387         (find_data_references_in_loop): Use get_references_in_stmt
5388         and find_data_references_in_loop, modified as in trunk.
5389         (build_access_matrix_with_af): New.
5390         * tree-data-ref.h (data_reference): Add a field access_matrix.
5391         (data_ref_loc): New, as in trunk.
5392         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5393         invariant_in_scop_p, param_index, scan_tree_for_params,
5394         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5395         idx_record_param, idx_record_params, build_access_matrix,
5396         build_scop_data_accesses, build_scop_canonical_schedules,
5397         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5398         build_scop_params): New.
5399         * graphite.h (graphite_bb): New.
5400         (scop): Add fields static_schedule, params, loop_nest,
5401         iteration_domain.
5402         * lambda.h: Declare vecs of lambda_matrix.
5403         * tree-flow.h (print_loop_ir_bb): Declared.
5404         * tree-cfg.c (print_loop_ir_bb): New.
5405         (print_loop): Use print_loop_ir_bb.
5406
5407 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5408
5409         * Merge from mainline (r115016:117632).
5410
5411 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5412
5413         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5414         break due to a warning.
5415
5416 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5417
5418         * graphite.c (print_scops, debug_scops): New.
5419         (graphite_transform): Renamed graphite_find_transform.
5420         * graphite.h (debug_scops): Declared.
5421
5422 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5423
5424         * tree-match.c: Reformat following the GNU style.
5425         * tree-match.h: Reformat following the GNU style.
5426         * tree-pattern.h: Removed empty file.
5427         * Makefile.in: Remove references to tree-pattern.h.
5428         * tree-check.c: Reformat following the GNU style.
5429         (execute_tree_check): Move gate condition code to...
5430         (gate_tree_check): ...here.  New function.
5431         (pass_check): Use the gate function.
5432
5433 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5434
5435         * tree-pattern.h: New. Tree pattern matching and checking using
5436         concrete syntax.
5437         * tree-check.c: New. Tree/CFG checking pass.
5438         * tree-match.c: New. Library for tree pattern matching.
5439         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
5440         * toplev.c, flags.h: Add globals for tree-check pass.
5441         * Makefile.in: Integrate the files in tree-check pass.
5442         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
5443         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
5444         Introduce a "lazy" pretty-print mode.
5445         * tree.c, tree.h: Add tree_name.
5446
5447 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
5448
5449         * doc/invoke.texi (-fgraphite): Correct typo.
5450         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
5451         use of print_loop_ir.
5452         * testsuite/gcc.dg/graphite/scop-1.c: New.
5453         * testsuite/gcc.dg/graphite/scop-2.c: New.
5454         * testsuite/gcc.dg/graphite/graphite.exp: New.
5455         * graphite.c: Include domwalk.h.
5456         (print_scop): Print only the entry and exit blocks.
5457         (debug_scop): No longer static.
5458         (affine_expr): Fix formating.  Return also true when the expression is
5459         constant.
5460         (stmt_simple_for_scop_p): Fix formating.
5461         (build_scops): Use domwalk.
5462         (get_loop_start, end_scop, test_for_scop_bound): New.
5463         (graphite_transform_loops): Avoid printing on stderr.
5464         * graphite.h (debug_scop): Declared.
5465         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
5466         * Makefile.in (graphite.o): Depend on domwalk.h.
5467         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
5468         declarations for static functions.
5469         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
5470         controlling output verbosity.
5471
5472 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
5473             Plesco Alexandru  <shurikx@gmail.com>
5474
5475         * doc/invoke.texi (-fgraphite): Document.
5476         * tree-pass.h (pass_graphite_transforms): Declared.
5477         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
5478         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
5479         (pass_graphite_transforms): Defined.
5480         * tree-data-ref.c (free_data_ref, data_reference): Extern.
5481         * tree-data-ref.h (free_data_ref, data_reference): Declared.
5482         * graphite.c, graphite.h: New.
5483         * common.opt (fgraphite): Declared.
5484         * tree-flow.h (graphite_transform_loops): Declared.
5485         * Makefile.in (OBJS-common): Add graphite.o.
5486         (graphite.o): New rule.
5487         * passes.c (pass_graphite_transforms): Scheduled.
5488