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Add testcases for PR43464.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * tree-ssa-copy.c: Revert this previous change:
4         (init_copy_prop): Loop closed phi nodes cancontain more than one
5         argument.
6         (execute_copy_prop): Revert the previous change: do not call
7         rewrite_into_loop_closed_ssa.
8
9 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
10             Richard Guenther  <rguenther@suse.de>
11
12         PR middle-end/43464
13         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
14         contain more than one argument.
15         (execute_copy_prop): Revert the previous change: do not call
16         rewrite_into_loop_closed_ssa.
17
18         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
19         * gcc.dg/graphite/id-pr43464-1.c: New.
20
21 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
22
23         PR middle-end/43464
24         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
25         and verify_loop_closed_ssa when copy prop is executed in the LNO.
26
27         * gcc.dg/graphite/id-pr43464.c: New.
28
29 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
30
31         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
32         in loop->header.
33         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
34         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
35         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
36         to switch between adding the IV bump in loop->latch or in loop->header.
37
38 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
39
40         * passes.c (init_optimization_passes): Add pass_copy_prop
41         after Graphite.
42
43 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
44
45         * graphite-poly.c (print_scattering_function): Pretty print following
46         the scoplib format.
47         (print_pdr): Same.
48         (print_pbb_domain): Same.
49         (dump_gbb_cases): Same.
50         (dump_gbb_conditions): Same.
51         (print_pdrs): Same.
52         (print_pbb): Same.
53         (print_scop_params): Same.
54         (print_scop_context): Same.
55         (print_scop): Same.
56         (print_pbb_body): New.
57         (lst_indent_to): New.
58         (print_lst): Start new lines with a #.
59         * graphite-poly.h (pbb_bb): New.
60         (pbb_index): Use pbb_bb.
61         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
62         disjuncts.
63         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
64
65 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
66
67         PR middle-end/43351
68         * gcc.dg/graphite/id-pr43351.c
69
70 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
71
72         PR middle-end/43354
73         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
74         call insert_out_of_ssa_copy for default definitions.
75         * gfortran.dg/graphite/id-pr43354.f: New.
76
77 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
78
79         PR middle-end/43349
80         * gfortran.dg/graphite/pr43349.f: New.
81
82 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
83
84         * graphite-clast-to-gimple.c (my_long_long): Defined.
85         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
86         * graphite-sese-to-poly.c (my_long_long): Defined.
87         (scop_ivs_can_be_represented): Use it.
88
89 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
90
91         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
92         graphite-max-bbs-per-function, and loop-block-tile-size.
93         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
94         with "maximum".
95         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
96
97 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
98
99         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
100         forward declaration.
101         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
102         (add_upper_bounds_from_estimated_nit): New.
103         (build_loop_iteration_domains): Use it.
104
105 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
106
107         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
108
109 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
110
111         PR middle-end/43306
112         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
113         should be an INTEGER_CST.  Also handle CASE_CONVERT.
114         * gcc.dg/graphite/pr43306.c: New.
115
116 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
117
118         * graphite.c (graphite_initialize): To bound the number of bbs per
119         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
120         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
121         * doc/invoke.texi: Document it.
122
123 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
124
125         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
126         * graphite-sese-to-poly.h (build_poly_scop): Same.
127
128 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
129
130         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
131         the number of parameters in the scop.  Use as an upper bound
132         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
133         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
134         * doc/invoke.texi: Document it.
135
136 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
137
138         * graphite-sese-to-poly.c (add_param_constraints): Use
139         lower_bound_in_type and upper_bound_in_type.
140
141 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
142
143         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
144         instead of unsigned_type_node.
145
146 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
147             Reza Yazdani  <reza.yazdani@amd.com>
148
149         PR middle-end/43065
150         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
151         on pointer type parameters.
152
153         * gcc.dg/graphite/run-id-4.c: New.
154
155 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
156
157         PR middle-end/43065
158         * gcc.dg/graphite/run-id-3.c: New.
159
160 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
161             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
162
163         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
164         handle conversions from pointer to integers.
165         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
166         induction variable, to be able to work with code generated by CLooG.
167         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
168         (build_poly_scop): Bail out if we cannot codegen a loop.
169
170 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
171
172         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
173         code generation with gloog_error.
174
175 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
176
177         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
178         Call fold_convert on all the returned values.
179         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
180         the type of the resulting expression.
181
182 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
183
184         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
185         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
186         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
187
188 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
189
190         * graphite-dependences.c (map_into_dep_poly): Removed.
191         (dependence_polyhedron_1): Use combine_context_id_scat.
192
193 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
194
195         * graphite-poly.h (struct poly_scattering): Add layout documentation.
196         (struct poly_bb): Same.
197         (combine_context_id_scat): New.
198
199 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
200
201         PR middle-end/42326
202         * sese.c (name_defined_in_loop_p): Return false for default
203         definitions.
204
205         * gcc.dg/graphite/pr42326.c: New.
206
207 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
208
209         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
210         and clean up the logic.
211
212 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
213
214         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
215         early return.
216
217 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
218
219         PR middle-end/43083
220         * graphite-scop-detection.c (create_single_exit_edge): Move
221         the call to find_single_exit_edge to....
222         (create_sese_edges): ...here.  Don't handle multiple edges
223         exiting the function.
224         (build_graphite_scops): Don't handle multiple edges
225         exiting the function.
226
227         * gcc.dg/graphite/pr43083.c: New.
228
229 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
230
231         PR middle-end/43097
232         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
233         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
234
235         * gfortran.dg/graphite/pr43097.f: New.
236
237 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
238             Manuel López-Ibáñez  <manu@gcc.gnu.org>
239
240         PR middle-end/43140
241         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
242
243 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
244
245         PR middle-end/43026
246         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
247
248         * g++.dg/graphite/pr43026.C: New.
249
250 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
251
252         * Merge from mainline (154736:156693).
253
254 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
255
256         PR middle-end/43012
257         * gcc.dg/graphite/pr43012.c: New.
258
259 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
260
261         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
262 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
263
264         * g++.dg/graphite/pr42930.C: New.
265
266 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
267
268         PR middle-end/42930
269         * graphite-scop-detection.c (graphite_can_represent_scev): Call
270         graphite_can_represent_init for MULT_EXPR.
271
272 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
273
274         PR middle-end/42914
275         PR middle-end/42530
276         * graphite-sese-to-poly.c (remove_phi): New.
277         (translate_scalar_reduction_to_array): Call remove_phi.
278
279         * gcc.dg/graphite/pr42530.c: New.
280         * gcc.dg/graphite/pr42914.c: New.
281
282 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
283
284         PR middle-end/42771
285         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
286         * graphite-clast-to-gimple.h (gloog): Update declaration.
287         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
288         * graphite-poly.h (struct poly_bb): Add missing comments.
289         (struct scop): Add poly_scop_p field.
290         (POLY_SCOP_P): New.
291         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
292         * graphite.c (graphite_transform_loops): Build the polyhedral
293         representation for each scop before code generation.
294         * sese.c (rename_variables_in_operand): Removed.
295         (rename_variables_in_expr): Return the renamed expression.
296         (rename_sese_parameters): New.
297         * sese.h (rename_sese_parameters): Declared.
298
299         * gcc.dg/graphite/pr42771.c: New.
300
301 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
302
303         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
304         return 0 from main.
305         * gcc.dg/graphite/block-1.c: Same.
306         * gcc.dg/graphite/block-3.c: Same.
307         * gcc.dg/graphite/block-4.c: Same.
308         * gcc.dg/graphite/block-5.c: Same.
309         * gcc.dg/graphite/block-6.c: Same.
310         * gcc.dg/graphite/block-7.c: Same.
311         * gcc.dg/graphite/interchange-0.c: Same.
312         * gcc.dg/graphite/interchange-1.c: Same.
313         * gcc.dg/graphite/interchange-10.c: Same.
314         * gcc.dg/graphite/interchange-11.c: Same.
315         * gcc.dg/graphite/interchange-12.c: Same.
316         * gcc.dg/graphite/interchange-2.c: Same.
317         * gcc.dg/graphite/interchange-3.c: Same.
318         * gcc.dg/graphite/interchange-4.c: Same.
319         * gcc.dg/graphite/interchange-5.c: Same.
320         * gcc.dg/graphite/interchange-6.c: Same.
321         * gcc.dg/graphite/interchange-7.c: Same.
322         * gcc.dg/graphite/interchange-8.c: Same.
323         * gcc.dg/graphite/interchange-9.c: Same.
324         * gcc.dg/graphite/interchange-mvt.c: Same.
325
326 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
327
328         * gfortran.dg/graphite/id-19.f: New.
329         * gfortran.dg/graphite/pr14741.f90: New.
330         * gfortran.dg/graphite/pr41924.f90: New.
331         * gfortran.dg/graphite/run-id-2.f90: New.
332
333 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
334
335         PR middle-end/42988
336         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
337         to unknown_dependence.
338         (graphite_legal_transform_dr): Handle the unknown_dependence.
339         (graphite_carried_dependence_level_k): Same.
340
341 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
342
343         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
344
345 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
346             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
347
348         PR middle-end/42637
349         * graphite-dependences.c (build_lexicographical_constraint): Return
350         a union of dependence polyhedra.
351         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
352
353         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
354         * gcc.dg/graphite/block-4.c: Same.
355         * gcc.dg/graphite/block-7.c: Same.
356         * gcc.dg/graphite/interchange-12.c: Same.
357         * gcc.dg/graphite/interchange-mvt.c: Same.
358         * gfortran.dg/graphite/interchange-1.f: XFAILed.
359         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
360         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
361
362 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
363
364         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
365         the execution check to FAIL.  This testcase is miscompiled by Graphite
366         and the check should be re-enabled.
367         * gcc.dg/graphite/interchange-mvt.c: Same.
368         * gcc.dg/graphite/block-0.c: Same.
369         * gcc.dg/graphite/block-4.c: Same.
370         * gcc.dg/graphite/block-7.c: Same.
371
372 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
373
374         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
375         * gcc.dg/graphite/scop-0.c: Fix spaces.
376         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
377         * gfortran.dg/graphite/block-2.f: Same.
378         * gfortran.dg/graphite/block-3.f90: Same.
379         * gfortran.dg/graphite/block-4.f90: Same.
380         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
381         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
382
383 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
384
385         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
386         PDDR_ORIGINAL_SCATTERING_P.
387         (pddr_is_empty): Rewritten.
388         (print_dependence_polyhedron_layout): New.
389         (print_pddr): New.
390         (debug_pddr): New.
391         (build_alias_set_powerset): Moved up.
392         (poly_drs_may_alias_p): Moved up.
393         (lexicographically_gt_p): Removed.
394         (build_lexicographically_gt_constraint): Renamed
395         build_lexicographical_constraint, reimplemented.
396         (dependence_polyhedron_1): Simplified parameters.
397         (dependence_polyhedron): Same.  Keep along empty PDDRs
398         to make efficient use of the cache.
399         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
400         (graphite_legal_transform_dr): Rewritten.
401         (graphite_legal_transform_bb): Pass fewer arguments to
402         graphite_legal_transform_dr.
403         (graphite_carried_dependence_level_k): Simplified implementation.
404         (dot_original_deps_stmt_1): Call dependence_polyhedron.
405         (dot_transformed_deps_stmt_1): Same.
406         (dot_original_deps): Same.
407         (dot_transformed_deps): Same.
408         * graphite-dependences.h (struct poly_ddr): Added a new field
409         original_scattering_p.
410         (PDDR_ORIGINAL_SCATTERING_P): New.
411         (print_pddr): Declared.
412         (debug_pddr): Declared.
413         * graphite-ppl.c: Clarify comment.
414         * sese.h (print_gimple_bb): Removed unused declaration.
415         (debug_gbb): Same.
416
417 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
418
419         * g++.dg/graphite/graphite.exp: Rewritten.
420         * gcc.dg/graphite/graphite.exp: Rewritten.
421         * gfortran.dg/graphite/graphite.exp: Rewritten.
422         * gcc.dg/graphite/block-0.c: Added runtime test.
423         * gcc.dg/graphite/block-1.c: Same.
424         * gcc.dg/graphite/block-3.c: Same.
425         * gcc.dg/graphite/block-4.c: Same.
426         * gcc.dg/graphite/block-5.c: Same.
427         * gcc.dg/graphite/block-6.c: Same.
428         * gcc.dg/graphite/block-7.c: Same.
429         * gcc.dg/graphite/interchange-0.c: Same.
430         * gcc.dg/graphite/interchange-1.c: Same.
431         * gcc.dg/graphite/interchange-10.c: Same.
432         * gcc.dg/graphite/interchange-11.c: Same.
433         * gcc.dg/graphite/interchange-12.c: Same.
434         * gcc.dg/graphite/interchange-2.c: Same.
435         * gcc.dg/graphite/interchange-3.c: Same.
436         * gcc.dg/graphite/interchange-4.c: Same.
437         * gcc.dg/graphite/interchange-5.c: Same.
438         * gcc.dg/graphite/interchange-6.c: Same.
439         * gcc.dg/graphite/interchange-7.c: Same.
440         * gcc.dg/graphite/interchange-8.c: Same.
441         * gcc.dg/graphite/interchange-9.c: Same.
442         * gcc.dg/graphite/interchange-mvt.c: Same.
443         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
444
445 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
446
447         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
448           background.
449
450 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
451
452         * common.opt: Add -fgraphite-cloog-opts.
453         * graphite-clast-to-gimple.c (set_cloog_options): Same.
454         * opts.c (decode_options): Same.
455
456 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
457
458         * gcc.dg/graphite/id-17.c: New.
459         * gcc.dg/graphite/pr41888.c: New.
460         * gcc.dg/graphite/scop-22.c: New.
461         * gfortran.dg/graphite/pr40982.f90: New.
462
463 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
464
465         * graphite-dependences.c: Clarify comments.
466         (build_pddr): Add an extra parameter direction.
467         (graphite_legal_transform_dr): Use build_pddr.
468         (dot_original_deps_stmt_1): Update use of build_pddr.
469         (dot_transformed_deps_stmt_1): Same.
470         (dot_original_deps): Same.
471         (dot_transformed_deps): Same.
472
473         * gcc.dg/graphite/interchange-12.c: New.
474         * gcc.dg/graphite/block-7.c: New.
475
476 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
477
478         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
479         (pddr_transformed_scattering): Removed.
480         (graphite_legal_transform_dr): Use build_pddr.
481         (dot_original_deps_stmt_1): Same.
482         (dot_transformed_deps_stmt_1): Same.
483         (dot_original_deps): Same.
484         (dot_transformed_deps): Same.
485
486 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
487
488         * graphite-dependences.c (lexicographically_gt_p): Add comments.
489         (build_lexicographically_gt_constraint): Same.
490         (dependence_polyhedron_1): Same.
491         (dependence_polyhedron): Same.
492
493 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
494
495         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
496         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
497         (lexicographically_gt_p): Change type of direction to int.
498         (build_lexicographically_gt_constraint): Same.
499         (dependence_polyhedron_1): Same.
500         (dependence_polyhedron): Same.
501         (pddr_original_scattering): Use integers for direction.
502         (pddr_transformed_scattering): Same.
503         (graphite_legal_transform_dr): Same.
504         (graphite_carried_dependence_level_k): Same.
505
506 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
507
508         * graphite-dependences.c (build_pairwise_constraint): Renamed
509         ppl_build_relation.  Moved...
510         (dr_equality_constraints): Use ppl_build_relation.
511         (build_pairwise_scheduling_equality): Same.
512         (build_pairwise_scheduling_inequality): Same.
513         * graphite-ppl.c (ppl_build_relation): ...here.
514         * graphite-ppl.h (ppl_build_relation): Declared.
515
516 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
517
518         PR middle-end/42681
519         * graphite-clast-to-gimple.c (gloog_error): New static variable.
520         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
521         Set gloog_error when such an expression failed to be built.
522         (translate_clast): Early return when gloog_error is set.
523         (gloog): Clear gloog_error.  When gloog_error is set, call
524         set_ifsese_condition to enable the original code.  Return the status
525         of the code generation based on gloog_error.
526         * sese.c (set_ifsese_condition): New.
527         * sese.h (set_ifsese_condition): Declared.
528
529         * g++.dg/graphite/pr42681.C: New.
530
531 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
532
533         PR middle-end/42732
534         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
535         rename_nb_iterations.
536         * sese.c (rename_variables_in_operand): New.
537         (rename_variables_in_expr): New.
538         (rename_nb_iterations): New.
539         (sese_adjust_liveout_phis): Update the rename_map.
540         * sese.h (rename_nb_iterations): Declared.
541         * tree-scalar-evolution.c (scev_reset_htab): New.
542         (scev_reset): Call scev_reset_htab.
543         * tree-scalar-evolution.h (scev_reset_htab): Declared.
544
545         * gfortran.dg/graphite/pr42732.f: New.
546
547 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
548
549         PR middle-end/42393
550         * graphite-clast-to-gimple.c: Fix formatting.
551         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
552         (expr_defined_in_loop_p): New.
553         (add_loop_exit_phis): Also handle full expressions: remove from
554         the rename_map the expressions defined in the loop that we're closing.
555
556         * gfortran.dg/graphite/pr42393-1.f90: New.
557         * gfortran.dg/graphite/pr42393.f90: Add new flags
558         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
559         make this testcase useful in the Graphite branch.
560
561 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
562
563         * graphite-scop-detection.c (exclude_component_ref): Removed.
564         (is_simple_operand): Removed.
565         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
566
567 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
568
569         PR middle-end/42221
570         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
571         the array indexing of ADDR_EXPRs.
572
573         * gcc.dg/graphite/pr42221.c: New.
574
575 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
576
577         PR middle-end/42521
578         * graphite.c (graphite_finalize): Call scev_reset.
579         (graphite_transform_loops): Do not call scev_reset between the code
580         generation of scops.
581
582         * gcc.dg/graphite/pr42521.c: New.
583
584 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
585
586         * graphite-interchange.c (memory_stride_in_loop): Renamed
587         pdr_stride_in_loop.
588         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
589         (memory_strides_in_loop): Memoize the memory strides per loop.
590         (lst_interchange_profitable_p): Do not initialize to zero the memory
591         strides.
592         * graphite-poly.h (struct lst): Add a field memory_strides.
593         (LST_LOOP_MEMORY_STRIDES): New.
594         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
595         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
596
597 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
598
599         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
600         memory_strides_in_loop.  Gather memory strides on a whole loop.
601         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
602         (lst_interchange_profitable_p): Removed.
603         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
604
605 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
606
607         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
608         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
609         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
610         Remove context_loop and level.
611
612 2010-01-07  Richard Guenther  <rguenther@suse.de>
613
614         PR tree-optimization/42641
615         * sese.c (rename_map_elt_info): Use the SSA name version, do
616         not hash pointers.
617
618 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
619
620         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
621         blocked" only when both the strip mine and the interchange have
622         been applied.
623
624         * gcc.dg/graphite/block-2.c: Removed.
625         * gcc.dg/graphite/block-3.c: Add scan pattern.
626         * gcc.dg/graphite/block-4.c: Same.
627         * gcc.dg/graphite/block-5.c: Same.
628         * gcc.dg/graphite/block-6.c: Same.
629
630 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
631
632         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
633         before allocating a new one.
634         (copy_renames): Check that slot is not NULL.
635         (mark_bb_with_pbb): Same.
636         (compute_cloog_iv_types_1): Same.
637         * graphite-interchange.c (lst_perfect_nestify): Free the before,
638         nest, and after LSTs.
639         (lst_try_interchange_loops): Same.
640
641 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
642
643         PR middle-end/42178
644         * graphite-interchange.c (lst_try_interchange_loops): Do not return
645         the before, nest, and after LSTs.
646         (lst_try_interchange): Removed.
647         (lst_interchange_select_inner): Do not iterate over the LSTs if they
648         were modified.
649         (lst_interchange_select_outer): Apply interchange on the outer loop
650         until there are no more changes in the inner loops.
651
652 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
653
654         Revert patch fixing PR middle-end/42221.
655
656 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
657
658         PR middle-end/42180
659         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
660         GIMPLE_CALL.
661
662         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
663
664 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
665
666         PR middle-end/42180
667         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
668         that contain only one statement.
669
670         * gfortran.dg/graphite/pr42180.f90: New.
671
672 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
673
674         PR middle-end/42393
675         * gfortran.dg/graphite/pr42393.f90: New.
676
677 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
678
679         PR middle-end/42186
680         * gfortran.dg/graphite/pr42186.f90: New.
681
682 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
683
684         PR middle-end/42205
685         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
686         Insert the reduction copy in the same block as the phi node.
687         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
688
689         * gcc.dg/graphite/pr42205-1.c: New.
690         * gcc.dg/graphite/pr42205-2.c: New.
691
692 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
693
694         PR middle-end/42221
695         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
696         the array indexing of ADDR_EXPRs.
697
698         * gcc.dg/graphite/pr42221.c: New.
699
700 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
701
702         PR middle-end/42178
703         PR middle-end/42334
704         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
705         index.  Call lst_interchange_select_inner only once.
706         (lst_interchange_select_inner): Update use of lst_try_interchange.
707         (lst_interchange_select_outer): Update.
708
709 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
710
711         PR middle-end/42178
712         PR middle-end/42334
713         * graphite-interchange.c (lst_try_interchange): Do not increment the
714         the OUTER index when there is no AFTER kernel.  Do not increment the
715         OUTER index for after processing the AFTER kernel.
716         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
717         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
718         index.  Do not pass to lst_interchange_select_inner the OUTER index.
719         (scop_do_interchange): Update use of lst_interchange_select_outer.
720
721         * gfortran.dg/graphite/graphite.exp
722         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
723         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
724         the graphite dump file.
725         * gfortran.dg/graphite/interchange-2.f: Same.
726         * gfortran.dg/graphite/pr42334-1.f: New.
727
728 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
729
730         PR middle-end/42178
731         PR middle-end/42334
732         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
733         that are empty.
734         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
735         (lst_try_interchange): Reimplemented.
736         (lst_interchange_select_inner): Same.
737         (lst_do_interchange): Renamed lst_interchange_select_outer.
738         Reimplemented.
739         (scop_do_interchange): Update use of lst_interchange_select_outer.
740
741         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
742         * gcc.dg/graphite/block-0.c: Un-XFAILed.
743         * gcc.dg/graphite/pr42211.c: New.
744         * gfortran.dg/graphite/pr42334.f90: New.
745
746 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
747
748         PR middle-end/42181
749         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
750         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
751
752         * gfortran.dg/graphite/pr42181.f90: New.
753
754 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
755
756         PR middle-end/42284
757         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
758         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
759         (detect_commutative_reduction_arg): Simplified.
760         (detect_commutative_reduction): Early return when the argument of
761         the close phi is not of an SSA_NAME.
762
763         * gcc.dg/graphite/pr42284.c: New.
764
765 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
766
767         * dbgcnt.def (graphite_scop): New counter.
768         * graphite.c: Include dbgcnt.h
769         (graphite_transform_loops): Use new counter to limit transformations.
770
771 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
772
773         PR middle-end/42285
774         * graphite-scop-detection.c (graphite_can_represent_init): Also
775         handle more complex MULT_EXPRs containing parameters by recursion
776         on the structure.
777
778         * gfortran.dg/graphite/pr42285.f90: New.
779
780 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
781
782         * g++.dg/graphite/pr42130.C: Fix type.
783
784 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
785
786         * g++.dg/graphite/pr42130.C: Correct testcase.
787
788 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
789
790         * Merge from mainline (154493:154734).
791
792 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
793
794         * Merge from mainline (151362:154491).
795
796 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
797
798         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
799         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
800
801 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
802
803         PR middle-end/42130
804         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
805         translate_clast_for_loop): New.
806         (translate_clast_for): Add a condition around the loop, to do not
807         execute loops with zero iterations.
808         * g++.dg/graphite/pr42130.C: New.
809         * gcc.dg/graphite/pr35356-2.c: Adapt.
810
811 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
812
813         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
814         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
815         Remove context_loop and level.
816
817 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
818
819         * graphite-clast-to-gimple.c (translate_clast_user,
820         translate_clast_for, translate_clast_guard): Simplify and move common
821         elements to translate_clast().
822         (translate_clast): Simplify and get common elements.
823
824 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
825
826         * graphite-clast-to-gimple.c (translate_clast_user,
827         translate_clast_for, translate_clast_guard): Split out of
828         translate_clast.
829
830 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
831
832         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
833         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
834         debug_clast_name_indexes_1, debug_clast_name_indexes,
835         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
836         (clast_name_to_gcc, clast_to_gcc_expression,
837         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
838         gcc_type_for_clast_eq, graphite_translate_clast_equation,
839         graphite_create_guard_cond_expr, graphite_create_new_loop,
840         translate_clast): Add params_index.
841         (initialize_cloog_names): Create parameter strings from scratch, do
842         not reference other strings.
843         (create_params_index): New.
844         (gloog): Initialize params_index.
845         * graphite-scop-detection (free_scops_1): Removed.
846         (limit_scops): Use normal free_scops.
847         * graphite-sese-to-poly.c (save_var_names): Removed.
848         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
849         and SESE_PARAMS_INDEX.
850         * sese.c (new_sese, free_sese): Dito.
851         * sese.h (struct sese): Remove params_index, params_names.
852         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
853
854 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
855
856         Revert the following patch from 2009-09-14:
857         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
858         tree-scalar-evolution.h, and then tree-data-ref.h.
859         * graphite-clast-to-gimple.c: Same.
860         * graphite-dependences.c: Same.
861         * graphite-interchange.c: Same.
862         * graphite-poly.c: Same.
863         * graphite-scop-detection.c: Same.
864         * graphite-sese-to-poly.c: Same.
865         * graphite.c: Same.
866         * lambda-code.c: Same.
867         * matrix-reorg.c: Same.
868         * tree-data-ref.c: Same.
869         * tree-if-conv.c: Same.
870         * tree-loop-distribu: Same.: Same.
871         * tree-loop-linear.c: Same.
872         * tree-parloops.c: Same.
873         * tree-predcom.c: Same.
874         * tree-vect-patterns.c: Same.
875
876 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
877
878         Revert patch from 2009-09-14.
879         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
880         passes at -O1 and below.
881
882 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
883
884         PR middle-end/40281
885         * gcc.dg/graphite/pr40281.c: New.
886
887         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
888         evolutions should not variate in inner loops.
889
890 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
891
892         PR middle-end/42050
893         * gfortran.dg/graphite/pr42050.f90: New.
894
895 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
896
897         * graphite-interchange.c (memory_strides_in_loop_depth): New.
898         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
899
900 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
901
902         * graphite-blocking.c (scop_do_block): New.
903         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
904         * graphite-poly.h (scop_do_block): Declared.
905
906 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
907
908         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
909         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
910         to transform depth into the time_depth before calling
911         pbb_number_of_iterations_at_time.
912         (lst_do_strip_mine): Use a scalar variable instead of recomputing
913         lst_depth.
914
915 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
916
917         Reverted the patch for "scattering permutations" from 2009-10-28.
918
919         * graphite-poly.c (print_permutation): New.
920         (debug_permutation): New.
921         (new_poly_bb): Initialize PBB_PERMUTATION.
922         (free_poly_bb): Free PBB_PERMUTATION.
923         * graphite-poly.h (pbb_permutation_elt_p): Declared.
924         (struct pbb_permutation_elt): New.
925         (PBB_PERMUTATION_ELT_STRIDE): New.
926         (PBB_PERMUTATION_ELT_STRIDED_P): New.
927         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
928         (new_pbb_permutation_elt): New.
929         (pbb_permutation_elt_free): New.
930         (struct poly_bb): Add field permutation.
931         (PBB_PERMUTATION): New.
932         (print_permutation): Declared.
933         (debug_permutation): Declared.
934
935 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
936
937         * graphite-interchange.c (build_partial_difference): New.
938         (memory_stride_in_loop): Refactored the computation of
939         equality constraints into build_partial_difference function.
940         Added support for debugging stride computations.
941
942 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
943
944         * graphite-clast-to-gimple.c (gloog): Free if_region,
945         if_region->true_region, and if_region->region.
946         * sese.c (if_region_set_false_region): Free if_region->false_region.
947         (create_if_region_on_edge): Do not use GGC_NEW.
948         (move_sese_in_condition): Remove useless initialization.
949
950 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
951
952         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
953         for the loops created by the loop distribution.  Do not modify the
954         input LSTs.
955         (lst_try_interchange_loops): Same.  Use a temporary LST for the
956         transformed schedule.  Call lst_update_scattering before data
957         dependence analysis.
958         (lst_try_interchange): Pass an extra parameter INDEX.
959         (lst_do_interchange_1): New.
960         (lst_do_interchange): Call lst_do_interchange_1.
961         (scop_do_interchange): Call lst_update_scattering.
962         * graphite-poly.c (apply_poly_transforms): Do not call
963         lst_update_scattering.
964         * graphite-poly.h (lst_pred): New.
965         (lst_succ): New.
966         (lst_find_first_pbb): Return NULL when not found.
967         (lst_empty_p): New.
968         (lst_insert_in_sequence): Allow LST1 to be NULL.
969         (lst_replace): New.
970         (lst_substitute_3): New.
971         * gcc.dg/graphite/interchange-1.c: XFail.
972         * gcc.dg/graphite/interchange-8.c: XFail.
973         * gcc.dg/graphite/interchange-11.c: XFail.
974
975 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
976
977         * graphite-interchange.c (lst_perfectly_nested_p): New.
978         (lst_perfect_nestify): New.
979         (lst_try_interchange_loops): Call store_lst_schedule,
980         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
981         (scop_do_interchange): Avoid redundant legality test.
982         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
983         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
984         * graphite-poly.h (psct_static_dim): New.
985         (lst_dewey_number_at_depth): New.
986         (lst_find_pbb): Restructured.
987         (lst_find_first_pbb): Restructured.
988         (lst_find_last_pbb): New.
989         (lst_contains_p): New.
990         (lst_contains_pbb): New.
991         (lst_create_nest): New.
992         (lst_remove_from_sequence): New.
993         (pbb_update_scattering): New.
994         (lst_update_scattering_under): New.
995         (lst_update_scattering_seq): New.
996         (lst_update_scattering): New.
997         (lst_insert_in_sequence): New.
998         (lst_distribute_lst): New.
999         (lst_remove_all_before_including_pbb): New.
1000         (lst_remove_all_before_excluding_pbb): New.
1001
1002 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1005         get_loop_exit_edges.
1006
1007 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1008
1009         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1010
1011 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1012
1013         * graphite-poly.c (print_permutation): New.
1014         (debug_permutation): New.
1015         (new_poly_bb): Initialize PBB_PERMUTATION.
1016         (free_poly_bb): Free PBB_PERMUTATION.
1017         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1018         (struct pbb_permutation_elt): New.
1019         (PBB_PERMUTATION_ELT_STRIDE): New.
1020         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1021         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1022         (new_pbb_permutation_elt): New.
1023         (pbb_permutation_elt_free): New.
1024         (struct poly_bb): Add field permutation.
1025         (PBB_PERMUTATION): New.
1026         (print_permutation): Declared.
1027         (debug_permutation): Declared.
1028
1029 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-clast-to-gimple.c (gloog): Do not call
1032         sese_reset_aux_in_loops.
1033         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1034         extra argument for domains.  Do not use loop->aux.
1035         (build_scop_iteration_domain): Initialize and free domains, pass it
1036         to build_loop_iteration_domains and extract the information from
1037         domains.  Do not use loop->aux.
1038         * sese.c (sese_reset_aux_in_loops): Removed.
1039         * sese.h (sese_reset_aux_in_loops): Removed.
1040
1041 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1042
1043         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1044         (dependency_in_loop_p): Same.
1045         (translate_clast): Do not use loop->aux.  Initialize
1046         loop->can_be_parallel.
1047         (mark_loops_parallel): Removed.
1048         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1049         * graphite.c (free_aux_in_new_loops): Removed.
1050         (graphite_finalize): Do not call free_aux_in_new_loops.
1051         (graphite_transform_loops): Do not call mark_loops_parallel.
1052
1053 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1054
1055         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1056         (translate_clast): Pass an extra parameter LEVEL.
1057         Call get_scattering_level.
1058         * graphite-clast-to-gimple.h (get_scattering_level): New.
1059
1060 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1063         * cfgloop.h (struct loop): New field single_iv.
1064
1065         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1066         loop->aux anymore: use loop->single_iv.
1067         (graphite_loop_normal_form): Moved...
1068         (build_graphite_loop_normal_form): Removed.
1069         (gloog): Do not call build_graphite_loop_normal_form.
1070         (free_aux_in_new_loops): Moved...
1071         (mark_loops_parallel): Restructure.
1072         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1073         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1074         (scop_canonicalize_loops): New.
1075         (build_poly_scop): Call scop_canonicalize_loops.
1076         * graphite.c (free_aux_in_new_loops): ...here.
1077
1078 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * g++.dg/graphite/graphite.exp: Add the same rules as in
1081         gcc.dg/graphite/graphite.exp.
1082
1083 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * g++.dg/graphite/id-1.C: New.
1086
1087 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1088
1089         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1090         argument base_name.
1091         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1092         (rewrite_phi_out_of_ssa): Same.
1093         (rewrite_cross_bb_scalar_deps): Same.
1094         (translate_scalar_reduction_to_array): Same.
1095
1096 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1099         dump_alias_graphs.
1100
1101 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1104         (build_scop_drs): Call dump_alias_graphs.
1105
1106 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1109         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1110         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1111         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1112         * graphite-poly.h (free_lst): New.
1113         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1114         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1115
1116 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1117
1118         * graphite-poly.h (struct scop): Add a field saved_schedule.
1119         (SCOP_SAVED_SCHEDULE): New.
1120         (store_lst_schedule): New.
1121         (restore_lst_schedule): New.
1122         (store_scattering): Call store_lst_schedule.
1123         (restore_scattering): Call restore_lst_schedule.
1124
1125 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1128         (pdr_add_alias_set): Same.
1129         (build_poly_dr): Same.
1130         (build_alias_set_optimal_p): Same.
1131         (build_base_obj_set_for_drs): Same.  Do not store the result of
1132         graphds_dfs.
1133
1134 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1135
1136         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1137         all_components_are_cliques to 1.
1138
1139 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1140
1141         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1142         the new structure.
1143         (pdr_add_alias_set): Update retrieving alias_set_num.
1144         (build_poly_dr): Update retrieving dr_base_object_set.
1145         (partition_drs_to_sets): Remove.
1146         (build_alias_set_optimal_p): New.
1147         (build_alias_set_for_drs): Rename.
1148         (build_scop_drs): Update.
1149         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1150         (ALIAS_SET_INDEX): Remove.
1151         (BASE_OBJECT_SET_INDEX): Remove.
1152
1153 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1156
1157 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1158
1159         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1160         loop upper bounds for 1-element arrays at end of structures.
1161         * tree-flow.h (array_at_struct_end_p): Declared.
1162         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1163
1164 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1165
1166         * g++.dg/graphite/pr41305.C: New.
1167
1168 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1169
1170         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1171         construction of parameter constraints from loop iteration analysis.
1172         * gcc.dg/graphite/run-id-2.c: New test.
1173
1174 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1177         and new_cstr.
1178
1179 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1180
1181         * graphite-dependences.c (dependence_polyhedron_1): Remove
1182         unused gdim dimensions from the DDR polyhedron.
1183
1184 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1185
1186         * graphite-dependences.c (pddr_transformed_scattering): New.
1187         (dot_original_deps_stmt_1): New.
1188         (dot_transformed_deps_stmt_1): New.
1189         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1190         dot_transformed_deps_stmt_1.
1191         (dot_original_deps): New.
1192         (dot_transformed_deps): New.
1193         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1194
1195 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * graphite-dependences.c (reduction_dr_1): Remove wrong
1198         assert: reduction BBs can have multiple reduction writes
1199         to memory.  interchange-3.f90 is an example.
1200
1201 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * gfortran.dg/graphite/interchange-3.f90: New.
1204
1205 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1208
1209 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1210
1211         * graphite-dependences.c (dependence_polyhedron_1): Add the
1212         context to the dependence polyhedron.
1213
1214 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1217         PBB_PDR_DUPLICATES_REMOVED.
1218         (new_poly_bb): Same.
1219
1220 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1223         SCOP_CONTEXT.
1224         (build_loop_iteration_domains): Extract bounds on parameters
1225         based on the data size.
1226         (build_scop_context): Do not initialize SCOP_CONTEXT;
1227         add new constraints.
1228
1229 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1232         * graphite-ppl.h (graphite-ppl.h): Declared.
1233
1234 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         * graphite-ppl.c (ppl_print_linear_expr): New.
1237         (debug_ppl_linear_expr): New.
1238         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1239         (debug_ppl_linear_expr): Declared.
1240
1241 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1242
1243         * graphite-interchange.c: Fix comments.
1244         * gcc.dg/graphite/block-1.c: Fix comments.
1245
1246 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1249         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1250
1251 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         Reapply the patch from Alexander Monakov that disappeared during
1254         the last merges from trunk.
1255
1256         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1257
1258         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1259         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1260
1261 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1262
1263         * graphite-interchange.c (memory_stride_in_loop): The depth
1264         argument corresponds to a dynamic time dimension, so use
1265         psct_dynamic_dim to refer to the transformed scattering dimension.
1266
1267 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1268
1269         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1270
1271 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1272
1273         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1274         root of the LST.
1275         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1276         the root of the LST.
1277         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1278         fake loop.
1279         (print_lst): Print the root of LST in a different format.
1280         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1281
1282 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1285
1286 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1287
1288         * doc/passes.texi: Document the Graphite infrastructure.
1289
1290 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1291
1292         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1293         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1294         and check the SSA representation.
1295
1296         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1297
1298 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1301
1302 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * gcc.dg/graphite/interchange-11.c: New.
1305
1306 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1307
1308         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1309
1310 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1313         Add -fno-loop-strip-mine and -fno-loop-interchange.
1314         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1315         -fno-loop-strip-mine.
1316         * gfortran.dg/graphite/graphite.exp: Same.
1317
1318 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1319
1320         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1321         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1322         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1323         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1324         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1325         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1326         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1327         DEFAULT_FLAGS_GRAPHITE_SCOP.
1328         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1329         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1330
1331 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1334
1335 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1336             Sebastian Pop  <sebastian.pop@amd.com>
1337
1338         * graphite-interchange.c (build_linearized_memory_access): Pass an
1339         offset as parameter.
1340         (memory_stride_in_loop): Include transform scattering in the
1341         access functions to be able to querry the strides in the
1342         transformed loops.
1343         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1344         not the psct_iterator_dim.
1345
1346 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1347
1348         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1349         (lst_do_strip_mine_loop): New.
1350         (lst_do_strip_mine): New.
1351         (scop_do_strip_mine): Call lst_do_strip_mine.
1352         * graphite-poly.h (lst_add_loop_under_loop): New.
1353         (lst_find_first_pbb): New.
1354
1355 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1356
1357         * graphite-poly.c (loop_to_lst): Fix LST creation.
1358
1359 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1360
1361         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1362         sizeof(unsigned long) to make it run on 32bit systems.
1363
1364 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1365
1366         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1367         SEGFAULT on 32bit.
1368
1369 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1370
1371         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1372         Comment.
1373         (write_alias_graph_to_ascii_dot): New.
1374         (write_alias_graph_to_ascii_ecc): Ditto.
1375         (partition_drs_to_sets): Add testing of optimality of current method
1376         which assigns alias numbers according to DFS Comopnent number.  used
1377         as heuristic for the upcoming ECC algorithm.
1378         (build_scop_drs): Write to file also with the ecc and dot format.
1379
1380 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         * gfortran.dg/graphite/interchange-1.f: XFail.
1383
1384 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * graphite.c (graphite_initialize): Do not handle functions with
1387         more than 100 basic blocks.
1388
1389 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1390
1391         * graphite-blocking.c (pbb_do_strip_mine): Use
1392         PARAM_LOOP_BLOCK_TILE_SIZE.
1393
1394 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396         * graphite-poly.c (dot_lst_1): New.
1397         (dot_lst): New.
1398         * graphite-poly.h (dot_lst): Declared.
1399
1400 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1401
1402         * graphite-dependences.c (dot_deps_stmt_1): New.
1403         (dot_deps_stmt): New.
1404         * graphite-dependences.h (dot_deps_stmt): Declared.
1405
1406 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1409         not replace cross BB scalar dependences ending on PHI nodes.
1410         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1411
1412 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-poly.c (apply_poly_transforms): Implement the high
1415         level driver for flag_loop_block.
1416         * opts.c (decode_options): Enable flag_loop_block at -O2.
1417         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1418         flag_loop_block.
1419
1420         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1421         -floop-block.
1422         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1423         Add -floop-block.
1424
1425 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1426
1427         * graphite-poly.h (lst_find_pbb): New.
1428         (find_lst_loop): New.
1429
1430 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1431
1432         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1433         * graphite-poly.h (struct scop): Remove dep_graph field.
1434         (SCOP_DEP_GRAPH): Removed.
1435
1436 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * graphite-poly.h (copy_lst): Do full copy of LST.
1439
1440 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1443         when the loop stride is zero.
1444
1445         * gcc.dg/graphite/id-16.c: New.
1446
1447 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * graphite-dependences.c (reduction_dr_1): New.
1450         (reduction_dr_p): New.
1451         (graphite_legal_transform_dr): Call reduction_dr_p.
1452         (reduction_ddr): Renamed reduction_ddr_p.
1453         * graphite-poly.h (same_pdr_p): New.
1454         (number_of_write_pdrs): New.
1455         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1456         (split_reduction_stmt): Do not split reduction statements
1457         when there are no writes to memory.
1458         (translate_scalar_reduction_to_array_for_stmt): Insert the
1459         memory reduction statement just after the scalar reduction statement.
1460
1461         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1462         Un-XFAIL-ed.
1463         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1464         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1465
1466 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * graphite-interchange.c (lst_apply_interchange): New.
1469         (lst_interchange_profitable_p): New.
1470         (lst_try_interchange_loops): New.
1471         (lst_try_interchange): New.
1472         (lst_do_interchange): New.
1473         (pbb_do_interchange): Removed.
1474         (scop_do_interchange): Call lst_do_interchange.
1475
1476 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1479         SCOP_TRANSFORMED_SCHEDULE.
1480         (loop_to_lst): New.
1481         (scop_to_lst): New.
1482         (print_lst): New.
1483         (debug_lst): New.
1484         * graphite-poly.h (lst_p): New.
1485         (struct lst): New.
1486         (LST_LOOP_P): New.
1487         (LST_LOOP_FATHER): New.
1488         (LST_PBB): New.
1489         (LST_SEQ): New.
1490         (scop_to_lst): Declared.
1491         (print_lst): Declared.
1492         (debug_lst): Declared.
1493         (new_lst_loop): New.
1494         (new_lst_stmt): New.
1495         (copy_lst): New.
1496         (lst_depth): New.
1497         (lst_dewey_number): New.
1498         (struct scop): Add original_schedule and transformed_schedule fields.
1499         (SCOP_ORIGINAL_SCHEDULE): New.
1500         (SCOP_TRANSFORMED_SCHEDULE): New.
1501         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1502
1503 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1504
1505         * graphite-dependences.c (reduction_ddr): New.
1506         (graphite_legal_transform_bb): Call reduction_ddr.
1507         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1508         Initialize PBB_IS_REDUCTION.
1509         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1510         (PBB_IS_REDUCTION): New.
1511         (new_poly_bb): Update declaration.
1512         * graphite-scop-detection.h (build_scop_bbs): Removed.
1513         (nb_reductions_in_loop): Removed.
1514         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1515         parameter for reductions.
1516         (try_generate_gimple_bb): Update call to new_poly_bb.
1517         (build_scop_bbs_1): Same.
1518         (build_scop_bbs): Same.
1519         (gsi_for_phi_node): New.
1520         (scalar_close_phi_node_p): Remove gcc_assert.
1521         (split_reduction_stmt): New.
1522         (is_reduction_operation_p): New.
1523         (phi_contains_arg): New.
1524         (follow_ssa_with_commutative_ops): New.
1525         (detect_commutative_reduction_arg): New.
1526         (detect_commutative_reduction_assign): New.
1527         (follow_inital_value_to_phi): New.
1528         (edge_initial_value_for_loop_phi): New.
1529         (initial_value_for_loop_phi): New.
1530         (detect_commutative_reduction): New.
1531         (translate_scalar_reduction_to_array_for_stmt): New.
1532         (insert_copyout): New.
1533         (insert_copyin): New.
1534         (translate_scalar_reduction_to_array): New.
1535         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1536         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1537         (rewrite_commutative_reductions_out_of_ssa): New.
1538         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1539         * sese.h (split_region_for_bb): New.
1540
1541         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1542         * gcc.dg/graphite/interchange-1.c: Fix format.
1543         * gcc.dg/graphite/interchange-10.c: New.
1544
1545 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1548         buggy assert.
1549
1550 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1551
1552         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1553         (rewrite_cross_bb_scalar_dependence): New.
1554         (rewrite_cross_bb_scalar_deps): New.
1555         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1556         Call rewrite_cross_bb_scalar_deps.
1557
1558 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1559
1560         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1561         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1562         gsi_for_stmt.
1563
1564 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1565
1566         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1567         * graphite-interchange.c (pbb_do_interchange): Same.
1568         * graphite-poly.c (print_scattering_function): Same.
1569         (debug_pdrs): Same.
1570         * graphite-poly.h (pbb_loop): New.
1571         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1572
1573 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1574
1575         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1576
1577 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1578
1579         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1580         so don't pass a pointer to it.
1581         (build_alias_set_for_drs): Same.
1582         (build_base_obj_set_for_drs): Same.
1583         (build_scop_drs): Same.
1584
1585 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1586
1587         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1588         the alias graph of data references.
1589
1590 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1591
1592         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1593         (build_scop_drs): When debugging, write the alias graph to file,
1594         otherwise, should be disabled.
1595
1596 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1597
1598         * Merge from mainline (151310:151361).
1599
1600 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * Merge from mainline (151171:151310).
1603
1604 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * Merge from mainline (151171:151806).
1607
1608 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * Revert the last commit.
1611
1612 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * Merge from mainline (151171:151819).
1615
1616 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1617
1618         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1619         (is_simple_operand): Remove call to stmt_simple_memref_p.
1620         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1621
1622 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1623
1624         * gcc.dg/graphite/interchange-mvt.c: New File.
1625         * gcc.dg/graphite/scop-dsyrk.c: New File.
1626         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1627         * gcc.dg/graphite/scop-mvt.c: New File.
1628         * gcc.dg/graphite/scop-sor.c: New File.
1629
1630 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1631
1632         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1633         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1634         (graphite_carried_dependence_level_k): Ditto.
1635         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1636         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1637         (new_poly_dr): Adjust declaration.
1638         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1639         (free_gimple_bb): Added free_data_refs_aux.
1640         (build_poly_dr): Add dr_base_object_set.
1641         (partition_drs_to_sets): New.
1642         (dr_same_base_object_p): New.
1643         (build_alias_set_for_drs): New.
1644         (build_base_object_set_for_drs): New.
1645         (build_scop_drs): Add build_base_obj_set_for_drs.
1646         * graphite-sese-to-poly.h: Added #define for alias set number index and
1647         base object set index.
1648         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1649         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1650
1651 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1652
1653         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1654         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1655
1656 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1657
1658         * graphite-sese-to-poly.c (struct irp_data): Removed.
1659         (idx_record_params): Removed.
1660         (find_params_in_bb): Scan for parameters the access functions; don't
1661         parse the tree representation.
1662
1663 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1666         passes at -O1 and below.
1667
1668 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1671         tree-scalar-evolution.h, and then tree-data-ref.h.
1672         * graphite-clast-to-gimple.c: Same.
1673         * graphite-dependences.c: Same.
1674         * graphite-interchange.c: Same.
1675         * graphite-poly.c: Same.
1676         * graphite-scop-detection.c: Same.
1677         * graphite-sese-to-poly.c: Same.
1678         * graphite.c: Same.
1679         * lambda-code.c: Same.
1680         * matrix-reorg.c: Same.
1681         * tree-data-ref.c: Same.
1682         * tree-if-conv.c: Same.
1683         * tree-loop-distribu: Same.: Same.
1684         * tree-loop-linear.c: Same.
1685         * tree-parloops.c: Same.
1686         * tree-predcom.c: Same.
1687         * tree-vect-patterns.c: Same.
1688
1689 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         Partially revert the previous patch, except the following.
1692         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1693         as parameters the operands of the not expression.
1694
1695 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1698         Do not call analyze_scalar_evolution on assignments.
1699         (instantiate_scev_phi): Call analyze_scalar_evolution.
1700         (instantiate_scev_name): Call instantiate_scev_assign and
1701         instantiate_scev_phi.
1702         (instantiate_scev_not): Adapted to pass as parameters the operands
1703         of the not expression.
1704
1705 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1708         to pass as parameters the operands of the binary expression.
1709
1710 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1713         instantiate_scev_not.  Handle NEGATE_EXPR.
1714         (instantiate_scev_r): Handle NEGATE_EXPR.
1715
1716 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1717
1718         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1719         instantiate_scev_r.
1720         (instantiate_scev_r): Move code in instantiate_scev_2
1721         and instantiate_scev_1.
1722
1723 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * tree-scalar-evolution.c (instantiate_scev_3): New.
1726         (instantiate_scev_1): Move code in instantiate_scev_3.
1727
1728 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1731         (instantiate_scev_1): Move code in instantiate_scev_poly.
1732
1733 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1736         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1737
1738 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1741         (instantiate_scev_1): Move code in instantiate_scev_convert.
1742
1743 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1746         (instantiate_scev_1): Move code in instantiate_scev_binary.
1747
1748 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * tree-scalar-evolution.c (instantiate_scev_name): New.
1751         (instantiate_scev_1): Move code in instantiate_scev_name.
1752
1753 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         * Merge from mainline (150992:151171).
1756
1757 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1758
1759         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1760
1761 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         * graphite-dependences.c (graphite_legal_transform_bb): Call
1764         pbb_remove_duplicate_pdrs.
1765         * graphite-poly.c (can_collapse_pdr): Removed.
1766         (pdr_find_duplicate): Removed.
1767         (can_collapse_pdrs): New.
1768         (pbb_remove_duplicate_pdrs): New.
1769         (new_poly_dr): Do not look for duplicates.
1770         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1771         (PBB_PDR_DUPLICATES_REMOVED): New.
1772         (pbb_remove_duplicate_pdrs): Declared.
1773
1774 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1777         the strides by multiplying by PDR_NB_REFS.
1778         * graphite-poly.c (can_collapse_pdr): New.
1779         (pdr_find_duplicate): New.
1780         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1781         Initialize PDR_NB_REFS.
1782         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1783         (PDR_NB_REFS): New.
1784         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1785
1786 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         Revert one of the previous commits:
1789         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1790         the computation of symmetric data dependence relations.
1791         (dependency_between_pbbs_p): Same.
1792
1793 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1794
1795         PR middle-end/40965
1796         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1797         any transform.
1798
1799 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * graphite-dependences.c (pddr_original_scattering): Return NULL
1802         for read-read dependence relations.
1803         * graphite-poly.h (enum poly_dr_type): Fix comment.
1804         (pdr_read_p): New.
1805         (pdr_write_p): New.
1806         (pdr_may_write_p): New.
1807
1808 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1811         (struct poly_dr): Same.
1812         (new_poly_dr): Same.
1813         * graphite-poly.c (new_poly_dr): Same.
1814
1815 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1816             Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1819         pbb_strip_mine_time_depth.  Changed the implementation so that
1820         transformation is expressed as a transformation on
1821         time (scatttering) dimensions.  Also, ensures that the 2d+1
1822         scheduling format is preserved.
1823         (pbb_strip_mine_profitable_p): Profitability is based on the
1824         iteration number of a given time (scattering) dimension,
1825         and not on a original loop depth dimension.
1826         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1827         (pbb_do_strip_mine): Call psct_dynamic_dim.
1828         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1829         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1830         (pbb_nb_dynamic_scattering_transform): New.
1831         (psct_dynamic_dim): New.
1832
1833 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1834
1835         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1836         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1837         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1838         * graphite-interchange.c (build_linearized_memory_access): Same.
1839         (memory_stride_in_loop): Same.
1840
1841 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         * graphite-dependences.c (pddr_original_scattering): New.
1844         (graphite_legal_transform_dr): Call pddr_original_scattering.
1845         (dot_deps_1): New.
1846         (dot_deps): New.
1847         * graphite-dependences.h (dot_deps): Declared.
1848         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1849         (print_pdr): Print PDR_ID.
1850         * graphite-poly.h (struct poly_dr): Add field id.
1851         (PDR_ID): New.
1852         (pbb_index): New.
1853         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1854
1855 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1856
1857         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1858         not delete the original dependence relation.
1859
1860 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1863         the computation of symmetric data dependence relations.
1864         (dependency_between_pbbs_p): Same.
1865
1866 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1867
1868         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1869         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1870         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1871         (free_poly_ddr): New.
1872         (pddr_is_empty): New.
1873         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1874         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1875         Remove fprintfs.
1876         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1877         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1878         * graphite-dependences.h (enum poly_dependence_kind): New.
1879         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1880         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1881         (PDRP_SINK): Renamed PDDR_SINK.
1882         (PDRP_DDP): Renamed PDDR_DDP.
1883         (PDDR_KIND): New.
1884         (free_poly_ddr): Declared.
1885         * graphite-poly.c (new_scop): Use the new hash function names.
1886         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1887         into original_pddrs.
1888         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1889
1890 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * Merge from mainline (150764:150992).
1893
1894 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1895
1896         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1897         bounds with LT_EXPR to make niter analysis more precise on code
1898         generated by Graphite.
1899
1900 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1901
1902         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1903         (graphite_legal_transform_bb): Same.
1904         (poly_drs_may_alias_p): Same.
1905
1906 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1907
1908         PR middle-end/40981
1909         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1910         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1911
1912 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         * graphite-poly.c (print_pbb): Print PBB index.
1915
1916 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * Merge from mainline (r150672:150764).
1919
1920 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * graphite-interchange.c (ppl_max_for_le): Moved...
1923         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1924         * graphite-ppl.c (ppl_max_for_le): ... here.
1925         * graphite-ppl.h (ppl_max_for_le): Declared.
1926
1927 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * Merge from mainline (r150372:150672).
1930
1931 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         PR middle-end/40980
1934         * sese.c (convert_for_phi_arg): New.
1935         (add_guard_exit_phis): Use convert_for_phi_arg.
1936
1937         * gfortran.dg/graphite/id-17.f: New.
1938
1939 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1942         unknown subscript upper bounds.
1943
1944         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1945
1946 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1947             Pranav Garg  <pranav.garg2107@gmail.com>
1948
1949         * graphite-interchange.c (gather_access_strides): Removed.
1950         (ppl_max_for_le): New.
1951         (build_linearized_memory_access): New.
1952         (memory_stride_in_loop): New.
1953         (pbb_interchange_profitable_p): Reimplemented.
1954         * graphite-ppl.h (ppl_new_id_map): New.
1955         (ppl_interchange): New.
1956
1957         * gcc.dg/graphite/interchange-6.c: XFAILed.
1958
1959 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1960
1961         * graphite-interchange.c (compute_subscript): Removed.
1962         (compute_array_size_cstr): Removed.
1963         (compute_array_size_poly): Removed.
1964         (compute_array_size): Removed.
1965         (gather_access_strides_poly): Removed.
1966         (gather_access_strides): Empty.
1967
1968 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1969
1970         * graphite-dependences.c (dependence_polyhedron_1): Replace
1971         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1972         (graphite_legal_transform_dr): Same.
1973         (graphite_carried_dependence_level_k): Same.
1974         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1975         Initialize PDR_NB_SUBSCRIPTS.
1976         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1977         PDR_NB_SUBSCRIPTS.
1978         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1979         (PDR_NB_SUBSCRIPTS): New.
1980         (pdr_nb_subscripts): Removed.
1981         (pdr_dim): Simplified.
1982         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1983         with PDR_NB_SUBSCRIPTS.
1984
1985 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * graphite-interchange.c (compute_array_size): Remove use of
1988         PDR_DATA_CONTAINER.
1989         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1990         Do not initialize PDR_DATA_CONTAINER.
1991         (print_pdr): Do not print PDR_DATA_CONTAINER.
1992         * graphite-poly.h (struct poly_dr): Remove data_container field.
1993         (PDR_DATA_CONTAINER): Removed.
1994         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1995         PDR_DATA_CONTAINER.
1996         (build_poly_dr): Same.
1997
1998 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1999
2000         * gcc.dg/graphite/interchange-9.c: New.
2001
2002 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2003             Sebastian Pop  <sebastian.pop@amd.com>
2004
2005         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2006         copy of the dependence polyhedron.  Free the temporary objects.
2007         (graphite_carried_dependence_level_k): Free unused objects before
2008         returning.
2009
2010         * gcc.dg/graphite/interchange-1.c: XFAILed.
2011         * gcc.dg/graphite/interchange-2.c: XFAILed.
2012         * gcc.dg/graphite/interchange-3.c: XFAILed.
2013         * gcc.dg/graphite/interchange-4.c: XFAILed.
2014         * gcc.dg/graphite/interchange-7.c: XFAILed.
2015
2016 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
2019         Early return without analyzing the data dependences if no
2020         transform has been done.  Call restore_scattering if the transform
2021         is not legal.
2022         (graphite-interchange.c): Same.
2023         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
2024         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
2025         (apply_poly_transforms): Do not gcc_assert that
2026         the transform is legal.
2027         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2028         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2029         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2030         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2031         * graphite-poly.h (struct poly_scattering): New.
2032         (struct poly_bb): Add original, transformed, and saved fields.
2033         Remove transformed_scattering, original_scattering, nb_local_variables,
2034         and nb_scattering_transform fields.
2035         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2036         (poly_scattering_new): New.
2037         (poly_scattering_free): New.
2038         (poly_scattering_copy): New.
2039         (store_scattering_pbb): New.
2040         (store_scattering): New.
2041         (restore_scattering_pbb): New.
2042         (restore_scattering): New.
2043         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2044         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2045
2046 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2049         (print_scop): Same.
2050
2051 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2052
2053         * Makefile.in (graphite.o): Depends on PREDICT_H.
2054         * graphite.c: Include predict.h.
2055         (graphite_finalize): Call tree_estimate_probability.
2056         * predict.c (predict_loops): Do not call scev_initialize and
2057         scev_finalize.
2058         (tree_estimate_probability_bb): New.
2059         (tree_estimate_probability): Do not initialize loops: move that
2060         code to the driver.  Call tree_estimate_probability_bb.
2061         (tree_estimate_probability_driver): New.
2062         (pass_profile): Use tree_estimate_probability_driver.
2063         * predict.h (tree_estimate_probability): Declared.
2064
2065 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2066
2067         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2068         * graphite-dependences.c (graphite_legal_transform): Add time to
2069         TV_GRAPHITE_DATA_DEPS.
2070         (dependency_between_pbbs_p): Same.
2071         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2072
2073 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * Merge from mainline (r149952:150372).
2076
2077 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2080         * graphite-blocking.c: Same.
2081         * graphite-clast-to-gimple.c: Same.
2082         * graphite-dependences.c: Same.
2083         * graphite-poly.c: Same.
2084         * graphite-poly.h: Same.
2085         * graphite-ppl.c: Same.
2086         * graphite-scop-detection.c: Same.
2087         * graphite-sese-to-poly.c: Same.
2088         * graphite.c: Same.
2089
2090 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2091
2092         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2093         (remove_simple_copy_phi): New.
2094         (remove_invariant_phi): New.
2095         (simple_copy_phi_p): New.
2096         (reduction_phi_p): New.
2097         (gsi_for_ssa_name_def): New.
2098         (insert_out_of_ssa_copy): New.
2099         (insert_out_of_ssa_copy_on_edge): New.
2100         (create_zero_dim_array): New.
2101         (scalar_close_phi_node_p): New.
2102         (rewrite_close_phi_out_of_ssa): New.
2103         (rewrite_phi_out_of_ssa): New.
2104         (rewrite_reductions_out_of_ssa): New.
2105         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2106
2107         * gcc.dg/graphite/id-11.c: New.
2108         * gcc.dg/graphite/id-15.c: New.
2109         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2110         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2111         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2112         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2113         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2114         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2115         * gfortran.dg/graphite/id-13.f: New.
2116         * gfortran.dg/graphite/id-5.f: New.
2117
2118 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2121         check that nb_reductions_in_loop is zero.
2122         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2123         reduction phi nodes.
2124         (nb_reductions_in_loop): Removed.
2125         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2126         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2127         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2128         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2129         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2130
2131 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2132
2133         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2134         statements that have an empty iteration domain.
2135         * gfortran.dg/graphite/id-16.f: New.
2136
2137 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2138
2139         * tree-scalar-evolution.c (instantiate_scev_1): Return
2140         chrec_dont_know when the result is not above instantiate_below.
2141         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2142         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2143         the tree has a known scalar evolution.
2144         * gfortran.dg/graphite/id-14.f: New.
2145         * gfortran.dg/graphite/id-15.f: New.
2146
2147 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2150         insert_gsi.
2151         (rename_variables): Keep inserting renames after the ones already
2152         inserted.
2153
2154 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * graphite-sese-to-poly.c (compare_bb_depths): New.
2157         (graphite_sort_dominated_info): New.
2158         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2159         (build_scop_scattering): Fix comment.
2160
2161 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * graphite.c (graphite_finalize): Call print_loops instead of
2164         dump_function_to_file.
2165         * gcc.dg/graphite/graphite.exp: Fix formatting.
2166         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2167         loops generated in the graphite output file.
2168         * gcc.dg/graphite/pr35356-2.c: New.
2169         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2170         * gfortran.dg/graphite/id-12.f: New.
2171
2172 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2173
2174         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2175         Remove 2 XFAIL.
2176
2177 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2178             Tobias Grosser  <grosser@fim.uni-passau.de>
2179
2180         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2181         alias set number build alias in ACCESSES polyhedron.
2182         (build_alias_set_for_drs): New.
2183         (build_pbb_drs): Added build_alias_set_for_drs.
2184         * graphite-dependences.c (poly_drs_may_alias_p): New.
2185         (graphite_carried_dependence_level_k): Check alias information
2186         before building polyhedron.
2187
2188 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2189
2190         * Makefile.in (lambda-code.o): Fix formatting.
2191
2192 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2193
2194         * Merge from mainline (r149350-149952)
2195
2196 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2197
2198         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2199         before interchange to prepare for loop blocking.
2200
2201 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2202
2203         * graphite-poly.c (apply_poly_transforms): Add checks after every
2204         transformation.
2205         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2206         done in apply_poly_transforms.
2207
2208 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2209
2210         * graphite-dependences.c (build_lexicographically_gt_constraint):
2211         Replace RES parameter with *RES.
2212         (dependence_polyhedron_1): Pass an address of the parameter RES
2213         instead of value of RES.
2214
2215 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2216
2217         * graphite.c (graphite_finalize): Fix comment.
2218         (graphite_transform_loops): Reset scev info after code generation
2219         of each scop.
2220
2221 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         * graphite.c (graphite_finalize): Call scev_reset.
2224
2225 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2228         GBB_CLOOG_IV_TYPES hash table twice.
2229         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2230         (add_condition_to_domain): Clear GMP values.
2231
2232 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * graphite-dependences.c: Fix formatting.
2235         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2236         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2237         * graphite-sese-to-poly.c: Fix formatting.
2238         * graphite.c (graphite_transform_loops): Create the hash table
2239         after the early return.
2240
2241 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2242
2243         * gcc.dg/graphite/id-14.c: New.
2244         * gcc.dg/graphite/pr40157.c: New.
2245         * gfortran.dg/graphite/id-11.f: New.
2246
2247 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2248
2249         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2250         (build_poly_scop): Return false when there are no pbbs within
2251         loops to avoid to pass to cloog scops with no loops.
2252
2253 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2256         useless test "i % 2".
2257         (build_pbb_scattering_polyhedrons): Fix formatting.
2258         (build_poly_dr): Same.
2259         * graphite.c (graphite_transform_loops): Restructure.
2260
2261 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2262
2263         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2264         reduction_list parameter.
2265         (rewrite_all_phi_nodes_with_iv): Same.
2266         (canonicalize_loop_ivs): Same.
2267         * tree-parloops.c (struct brli): Removed.
2268         (build_reduction_list_info): Removed.
2269         (build_new_reduction): New.
2270         (analyze_reduction_list): Removed.
2271         (gather_scalar_reductions): Find reductions instead of phi
2272         nodes that can't be canonicalized.
2273         (try_create_reduction_list): Remove reduction_list parameter.
2274         (gen_parallel_loop): Same.
2275         (parallelize_loops): Remove analyze_reductions variable,
2276         initialization and free.
2277         Change reduction_list htab initialization to reduction_info
2278         elements instead of ssa names.
2279         Call try_create_reduction_list and gen_parallel_loop without
2280         analyzed_reduction argument.
2281         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2282         canonicalize_loop_ivs with one less argument.
2283         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2284
2285 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2286
2287         * graphite-dependences.c (new_poly_dr_pair): New.
2288         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2289         (new_poly_dr_pair): New.
2290         (eq_poly_dr_pair_p): New.
2291         (hash_poly_dr_pair_p): New.
2292         * graphite-dependences.h (struct poly_dr_pair): New.
2293         (eq_poly_dr_pair_p): Declared.
2294         (hash_poly_dr_pair_p): Declared.
2295         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2296         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2297         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2298         * Makefile.in (graphite-poly.o): Add dependence on
2299         graphite-dependences.h.
2300
2301 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2302
2303         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2304         polynomials of degree > 1 pass to Graphite.
2305         * tree-chrec.c (scev_is_linear_expression): Call
2306         evolution_function_is_affine_multivariate_p.
2307         * gfortran.dg/graphite/id-10.f90: New.
2308
2309 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2310
2311         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2312         Instantiate scevs varying in outer loops.
2313         * gfortran.dg/graphite/id-9.f: Correct testcase.
2314
2315 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2316
2317         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2318         redundant constraint.
2319
2320 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * gcc.dg/graphite/graphite.exp: Fix comments.
2323         * gfortran.dg/graphite/graphite.exp: Trigger actions
2324         based on the file names as in the C testsuite.
2325         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2326         * gfortran.dg/graphite/block-2.f: Same.
2327         * gfortran.dg/graphite/block-3.f90: Same.
2328         * gfortran.dg/graphite/block-4.f90: Same.
2329         * gfortran.dg/graphite/id-1.f90: Same.
2330         * gfortran.dg/graphite/id-2.f90: Same.
2331         * gfortran.dg/graphite/id-3.f90: Same.
2332         * gfortran.dg/graphite/id-4.f90: Same.
2333         * gfortran.dg/graphite/id-6.f: Same.
2334         * gfortran.dg/graphite/id-9.f: Same.
2335         * gfortran.dg/graphite/interchange-1.f: Same.
2336         * gfortran.dg/graphite/interchange-2.f: Same.
2337         * gfortran.dg/graphite/scop-1.f: Same.
2338
2339 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2340
2341         * sese.c (expand_scalar_variables_call): New.
2342         (expand_scalar_variables_ssa_name): Handle calls in expander.
2343
2344 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2347         Expect to see the pattern twice.
2348         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2349         * gcc.dg/graphite/interchange-5.c: Same.
2350         * gcc.dg/graphite/interchange-6.c: Same.
2351
2352 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * gcc.dg/graphite/id-10.c: New.
2355         * gcc.dg/graphite/id-12.c: New.
2356         * gfortran.dg/graphite/id-7.f: New.
2357         * gfortran.dg/graphite/id-8.f: New.
2358
2359 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2360
2361         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2362         zero.
2363
2364 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2367
2368 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2369
2370         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2371
2372 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2375         building PDR subscripts.
2376
2377 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2378
2379         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2380         computation of array sizes.
2381
2382 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2385
2386 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2387
2388         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2389         build_pairwise_constraint, dr_equality_constraints,
2390         build_pairwise_scheduling_equality,
2391         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2392         build_lexicographically_gt_constraint, dependence_polyhedron,
2393         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2394         Move from NNC_Polyhedron to C_Polyhedron.
2395         * graphite-interchange.c (compute_array_size_poly,
2396         gather_access_strides): Dito.
2397         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2398         free_scop, pbb_number_of_iterations): Dito.
2399         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2400         pbb_dim_iter_domain, struct scop): Dito.
2401         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2402         new_Cloog_Domain_from_ppl_Polyhedron,
2403         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2404         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2405         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2406         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2407         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2408         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2409         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2410         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2411         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2412         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2413         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2414         build_scop_iteration_domain, build_poly_dr): Dito
2415
2416 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2417
2418         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2419         run-id-*.c files.
2420         * gcc.dg/graphite/run-id-1.c: New.
2421
2422 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2423
2424         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2425         positivity constraint on the symbolic number of iterations.
2426
2427 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2430
2431 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2432             Tobias Grosser  <grosser@fim.uni-passau.de>
2433
2434         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2435         (build_cloog_prog): Directly use SCOP_CONTEXT.
2436         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2437         (free_scop): Free SCOP_CONTEXT.
2438         (print_scop_context): New.
2439         (print_scop): Call print_scop_context.
2440         (debug_scop_context): New.
2441         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2442         (struct scop): Added field context.
2443         (SCOP_CONTEXT): New.
2444         * graphite-sese-to-poly.c (add_param_constraints): New.
2445         (build_scop_context): New.
2446         (build_poly_scop): Call build_scop_context.
2447
2448 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2449
2450         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2451         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2452         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2453         * graphite-ppl.h: Include double-int.h and tree.h.
2454         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2455         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2456         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2457         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2458
2459 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2462         POINTER_PLUS_EXPR for pointer types.
2463         (clast_to_gcc_expression): Same.
2464
2465 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-poly.c (print_scattering_function): Early return when
2468         PBB_TRANSFORMED_SCATTERING is not initialized.
2469         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2470
2471 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2474         to fix bootstrap.
2475
2476 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2477
2478         * tree-parloops.c (analyze_reduction_list): Change return
2479         value to void.
2480         (try_create_reduction_list): Move the call to
2481         analyze_reduction_list to the beginining.
2482         Call reduction_phi with analyzed_reductions as argument
2483         instead of reduction_list.
2484
2485 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2486
2487         *  Merge from mainline (r148296:149346)
2488
2489 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * graphite-scop-detection.c (graphite_can_represent_init): New.
2492         (graphite_can_represent_scev): Call graphite_can_represent_init:
2493         check that the initial value does not contain multiplications of
2494         parameters.
2495         (stmt_has_simple_data_refs_p): New.
2496         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2497         (is_simple_operand): Fix formatting.
2498         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2499
2500 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2501
2502         * gcc.dg/graphite/id-13.c: New.
2503         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2504         analyze_scalar_evolution, use scalar_evolution_in_region.
2505         (scan_tree_for_params_right_scev): Add extra assert.
2506         (parameter_index_in_region_1): Split from parameter_index_in_region.
2507         (idx_record_params): Use scalar_evolution_in_region.
2508         (find_params_in_bb): Same.
2509         (find_scop_parameters): Same.
2510         (build_loop_iteration_domains): Same.
2511         (create_linear_expr_from_tree): Same.
2512         * sese.c (scalar_evolution_in_region): New.
2513         * sese.h (scalar_evolution_in_region): Declared.
2514         (defined_in_sese_p): New.
2515         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2516         static anymore.
2517         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2518         Declared.
2519
2520 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2521
2522         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2523         TREE_DATA_REF_H also implies SCEV_H.
2524
2525 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2526
2527         * graphite-poly.c (print_scop_params): New.
2528         (print_scop): Call print_scop_params.
2529         (debug_scop_params): New.
2530         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2531
2532 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2533
2534         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2535         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2536         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2537         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2538         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2539         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2540
2541 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2542
2543         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2544         for dependency checking part.
2545         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2546         tests for dependency checking.
2547         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2548         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2549         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2550         flag -fdump-tree-graphite-all for autopar testsuites.
2551
2552 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2553
2554         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2555         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2556         canonicalize_loop_ivs): Moved...
2557         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2558
2559 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * tree-parloops.c (try_create_reduction_list): Pass an extra
2562         argument analyzed_reductions.  Call analyze_reduction_list.
2563         (gen_parallel_loop): Do not call analyze_reduction_list.
2564         (parallelize_loops): Init and finalize analyzed_reductions.
2565
2566 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2567
2568         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2569         Added flag -fno-loop-strip-mine for autopar testcase.
2570
2571 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2572
2573         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2574         transformed scattering dimension instead of unmatch orignal when
2575         calling dependence_polyhedron.
2576
2577 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2578
2579         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2580
2581 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2584         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2585
2586 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2589         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2590         * graphite-poly.c (pbb_number_of_iterations): New.
2591         * graphite-poly.h (pbb_number_of_iterations): Declared.
2592         (pbb_iterator_dim, pbb_parameter_dim): New.
2593
2594 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2595
2596         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2597         last commit on type of lower and upper bound of loops.
2598
2599 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2600
2601         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2602         graphite-dependences.h.
2603         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2604         (mark_bb_with_pbb): New.
2605         (get_stmtfor_depth): New.
2606         (find_pbb_via_hash): New.
2607         (dependency_in_loop_p): New.
2608         (mark_loops_parallel): New.
2609         (free_aux_in_new_loops): New.
2610         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2611         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2612         innermost loop parallel without checking.
2613         (gloog): Add parameter BB_PBB_MAPPING.
2614         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2615         (gloog): Change declaration.
2616         (mark_loop_parallel): Make extern.
2617         (free_aux_in_new_loops): Declare.
2618         (bb_pbb_map_hash): New.
2619         (eq_bb_pbb_map): New.
2620         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2621         auto parallelization when flag_graphite_force_parallel is set.
2622         (graphite_finalize): Added free_aux_in_new_loops.
2623         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2624         the innermost loop that marked parallel.  Use
2625         flag_graphite_force_parallel instead of loop->can_be_parallel.
2626         (loop_parallel_p): Move inner most checking out of function.
2627
2628 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2631         type of lower and upper bound of loops signed long int.
2632
2633 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2636         expression outside the loop.
2637
2638 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2639
2640         * gcc.dg/graphite/interchange-8.c: New.
2641
2642 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2643
2644         * gcc.dg/graphite/interchange-0.c: XFailed.
2645         * gcc.dg/graphite/interchange-5.c: XFailed.
2646         * gcc.dg/graphite/interchange-6.c: XFailed.
2647
2648 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-interchange.c (compute_array_size_poly): The end of the
2651         recursion should return 1.
2652
2653 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2654
2655         * graphite-interchange.c (compute_array_size_cstr): Allow the
2656         subscript multiplier to be -1.
2657         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2658         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2659         data_container.  Initializes PDR_DATA_CONTAINER.
2660         (print_pdr_access_layout): New.
2661         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2662         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2663         data_container.
2664         (PDR_DATA_CONTAINER): New.
2665         (new_poly_dr): Update declaration.
2666         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2667         (build_poly_dr): Call pdr_add_data_dimensions.
2668
2669 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2670
2671         * graphite-poly.h (struct poly_dr): Fix comment.
2672         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2673         (pdr_add_memory_accesses): New.
2674         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2675
2676 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2679         (print_pbb): Add call to print_pdrs.
2680         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2681
2682 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2683             Li Feng <nemokingdom@gmail.com>
2684
2685         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2686         (dependency_between_pbbs_p): New.
2687         (lexicographically_gt_p): Assure !empty_p before polyhedron
2688         intersection assign.
2689         (build_lexicographically_gt_constraint): Correct lexicographically
2690         judging.
2691         * graphite-dependences.h: New.
2692         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2693
2694 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2695
2696         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2697         (gloog): Print to dump_file the generated clast.
2698         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2699         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2700
2701 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-poly.c (extend_scattering): Increment
2704         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2705
2706 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite-interchange.c (compute_array_size_poly): Added exit of
2709         recursion condition.  Continue iterating even after the first equality.
2710         (compute_array_size): Same.
2711
2712 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2713
2714         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2715         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2716         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2717         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2718         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2719
2720 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2723         only when the use verifies is_gimple_reg.
2724
2725 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2728         Allocate scaldims after call to unify_scattering_dimensions.
2729
2730 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2733
2734 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2735             Albert Cohen  <albert.cohen@inria.fr>
2736
2737         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2738         variables for the strip mining.
2739
2740 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2741             Pranav Garg  <pranav.garg2107@gmail.com>
2742
2743         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2744         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2745         (graphite-blocking.o): New rule.
2746         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2747         * graphite-blocking.c: New.
2748         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2749         flag_loop_strip_mine.
2750         (psct_scattering_dim_for_loop_depth): New.
2751         * graphite-poly.h (scop_do_strip_mine): Declared.
2752         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2753         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2754         flag_loop_strip_mine.
2755
2756 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2759         a GMP value and a PPL coefficient at each iteration of a loop.
2760
2761 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2762
2763         * graphite-dependences.c (dependence_polyhedron): Do not use
2764         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2765         pbb_nb_scattering_transform.
2766         (graphite_legal_transform_dr): Same.
2767         * graphite-poly.c (extend_scattering): Same.
2768         (unify_scattering_dimensions): Same.
2769         (print_scattering_function): Same.
2770         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2771         PBB_NB_LOCAL_VARIABLES.
2772         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2773         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2774         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2775         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2776         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2777         (pbb_nb_scattering_transform): New.
2778         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2779         (psco_scattering_dim): Add assert on parameters.
2780         (psct_scattering_dim): Same.
2781         (psct_scattering_dim_for_loop_depth): Declared.
2782         (psct_local_var_dim): New.
2783         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2784         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2785         correct layout, call pbb_nb_local_vars.
2786         (psct_add_local_variable, psct_add_scattering_dimension): New.
2787         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2788         Initialize PBB_NB_SCATTERING_TRANSFORM.
2789
2790 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2793         (set_coef): Renamed ppl_set_coef.
2794         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2795
2796 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2797
2798         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2799         test a boolean against 1.
2800         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2801         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2802         (pbb_do_interchange): Returns true when a transform has been performed.
2803         (scop_do_interchange): Same.
2804         * graphite-poly.c (apply_poly_transforms): Use the return value of
2805         scop_do_interchange.
2806         * graphite-poly.h (scop_do_interchange): Update declaration.
2807
2808 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2809
2810         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2811         after last use.
2812         * sese.c (sese_reset_aux_in_loops): New.
2813         * sese.h (sese_reset_aux_in_loops): New.
2814
2815 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2818         multiplier and multiply the constant by the multiplier.
2819         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2820         (build_poly_dr): Do not use the multiplier to define the subscript.
2821
2822 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2825         compiler's data reference.  Initialize PDR_CDR.
2826         (print_pdr): Call dump_data_reference.
2827         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2828         Add compiler_dr field.
2829         (PDR_BB): Renamed PDR_PBB.
2830         (PDR_CDR): New.
2831         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2832         GCC's data reference representation.
2833         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2834         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2835
2836 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         * graphite-poly.c (print_scattering_function): Also print the layout.
2839         * graphite-poly.h (pbb_nb_local_vars): New.
2840
2841 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2844
2845 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2846
2847         * graphite-poly.c (print_pdr, debug_pdr): New.
2848         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2849         (PDR_BASE): Removed.
2850
2851 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2854         ltrans-{1..6,8}.c.
2855
2856 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2859         subscript identification column.
2860         (pbb_do_interchange): Print to dump_file that some loops "will be
2861         interchanged".  Rely on that chain of characters in the testcases.
2862         * gcc.dg/graphite/interchange-0.c: New.
2863         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2864         interchange-*.c files and compile them with -floop-interchange.
2865
2866 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2867
2868         * graphite-interchange.c (interchange_profitable_p): Renamed
2869         pbb_interchange_profitable_p.
2870
2871 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2872             Harsha Jagasia  <harsha.jagasia@amd.com>
2873             Pranav Garg  <pranav.garg2107@gmail.com>
2874
2875         * graphite-interchange.c (interchange_profitable_p): Make static.
2876         (pbb_interchange_loop_depths, pbb_do_interchange,
2877         scop_do_interchange): New.
2878         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2879         for flag_loop_interchange.
2880         * graphite-poly.h (scop_do_interchange): Declared.
2881         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2882         flag_loop_interchange is used.
2883
2884 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2885
2886         * graphite-dependences.c (dependence_polyhedron): Update use of
2887         pbb_nb_scattering_dims.
2888         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2889         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2890         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2891         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2892
2893 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * graphite.c: Cleanup foo.
2896
2897 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * Merge from mainline (r143684:148293).
2900         * Disabled libpcp until it gets fixed.
2901
2902 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2903             Harsha Jagasia  <harsha.jagasia@amd.com>
2904
2905         * graphite-interchange.c: New.
2906         * Makefile.in (graphite-interchange.o): New.
2907         * graphite-poly.h (interchange_profitable_p): Declared.
2908         * graphite-ppl.h (value_max): New.
2909
2910 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2911
2912         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2913         * graphite-poly.h: Fix some comments.
2914         (pdr_dim): New.
2915         (pdr_scop): New.
2916
2917 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * graphite-poly.h
2920         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2921         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2922         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2923         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2924         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2925         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2926         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2927         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2928         * graphite-clast-to-gimple.c: Same.
2929         * graphite-dependences.c: Same.
2930         * graphite-poly.c: Same.
2931         * graphite-sese-to-poly.c: Same.
2932
2933 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2936         expressions for an IV rename, as returned by clast_to_gcc_expression.
2937         (copy_renames): Rename new_name to expr.
2938         * sese.c (debug_rename_elt): Same.
2939         (get_rename): Same.
2940         (set_rename): Same.
2941         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2942         the information from the rename map.
2943         (rename_variables_in_stmt): Same.
2944         (add_loop_exit_phis): Rename new_name to expr.
2945         (insert_loop_close_phis): Same.
2946         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2947         * sese.h (struct rename_map_elt): Rename new_name to expr.
2948         (new_rename_map_elt): Same.
2949
2950 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2951
2952         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2953         * sese.c (set_rename): Make it extern.
2954         * sese.h (set_rename): Declared.
2955
2956 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2957
2958         * graphite-poly.c (extend_scattering): Free values.
2959         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2960         Free iterators.
2961         (ppl_print_powerset_matrix): Same.
2962         * graphite-scop-detection.c (free_scops_1): New.
2963         (limit_scops): Call free_scops_1.
2964         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2965         (build_poly_dr): Free PPL coefficients.
2966         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2967
2968 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2969
2970         * graphite-dependences.c: New.
2971         * graphite-data-ref.c: Removed.
2972         * graphite-data-ref.h: Removed.
2973         * Makefile.in (graphite-data-ref.o): Removed.
2974         (graphite-dependences.o): Added.
2975         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2976         * graphite-poly.c: Same.
2977         Move the data dependence testing to graphite-dependences.c.
2978
2979 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2980
2981         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2982         from graphite_cannot_represent_loop. Code refactored.
2983         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2984
2985 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2986
2987         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2988         Cover all the testcases (not only the filtered ones).
2989
2990 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2991
2992         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2993         unnecessary check. Update comments. Move check for REAL_TYPE here.
2994         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2995         done in (stmt_simple_for_scop_p).
2996
2997 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2998
2999         * graphite.c (print_global_statistics): New.
3000         (print_graphite_scop_statistic): New.
3001         (print_graphite_statistics): New.
3002         (graphite_initialize, graphite_transform_loops): Print statistics.
3003         * graphite-scop-detection (build_scops): Print statistics.
3004         (print_graphite_scop_statistics): New.
3005         (print_graphite_statistics): New.
3006
3007 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3008
3009         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3010         (debug_clast_name_index): Removed.
3011         (debug_clast_name_indexes_1): Removed.
3012         (debug_clast_name_indexes): Removed.
3013         (clast_name_index_elt_info): Removed.
3014         (eq_clast_name_indexes): Removed.
3015         (clast_name_to_index): Removed.
3016         (new_clast_name_index): Removed.
3017         (save_clast_name_index): Removed.
3018         (save_var_name): Moved...
3019         (init_sese_params_index): Removed.
3020         (clast_name_to_gcc): Remove use of name_tree.
3021         (initialize_cloog_names): Same.
3022         (gloog): Do not call init_sese_params_index.
3023         * graphite-sese-to-poly.c (save_var_name): ...here.
3024         (parameter_index_in_region): New.
3025         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
3026         (parameter_index_in_region): Removed.
3027         (is_parameter): Remove use of name_tree.
3028         * sese.h (struct name_tree): Removed.
3029         (struct sese): Remove use of name_tree.  New field params_names.
3030         (SESE_PARAMS_NAMES): New.
3031         (SESE_PARAMS): Remove duplicate.
3032         (parameter_index_in_region): Removed.
3033         (sese_nb_params): Remove use of name_tree.
3034         (struct clast_name_index): New.
3035         (new_clast_name_index): New.
3036         (clast_name_to_index): New.
3037         (save_clast_name_index): New.
3038         (debug_clast_name_index): New.
3039         (debug_clast_name_indexes_1): New.
3040         (debug_clast_name_indexes): New.
3041         (clast_name_index_elt_info): New.
3042         (eq_clast_name_indexes): New.
3043
3044 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3045
3046         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3047         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3048         (graphite_loop_normal_form): Do not pass region.  Do not
3049         initialize SESE_OLDIVS.
3050         (build_graphite_loop_normal_form): Update call to
3051         graphite_loop_normal_form.
3052         * sese.c (debug_oldivs): Removed.
3053         (new_sese): Do not initialize SESE_OLDIVS.
3054         (free_sese): Do not free SESE_OLDIVS.
3055         (oldiv_for_loop): Removed.
3056         * sese.h (struct sese): Remove old_ivs.
3057         (SESE_OLDIVS): Removed.
3058         (oldiv_for_loop): Removed.
3059
3060 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3061
3062         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3063         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3064         replaced by a call to newivs_to_depth_to_newiv.
3065         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3066         (clast_to_gcc_expression_red): Same.
3067         (gcc_type_for_clast_expr): Same.
3068         (gcc_type_for_clast_eq): Same.
3069         (graphite_translate_clast_equation): Same.
3070         (graphite_create_guard_cond_expr): Same.
3071         (graphite_create_new_guard): Same.
3072         (graphite_create_new_loop): Same.
3073         (build_iv_mapping): Same.
3074         (translate_clast): Same.
3075         (gloog): Same.
3076         (loop_iv_stack_patch_for_consts): Removed.  *
3077         sese.c (iv_stack_entry_is_constant): Removed.
3078         (iv_stack_entry_is_iv): Removed.
3079         (loop_iv_stack_push_iv): Removed.
3080         (loop_iv_stack_insert_constant): Removed.
3081         (loop_iv_stack_pop): Removed.
3082         (loop_iv_stack_get_iv): Removed.
3083         (loop_iv_stack_get_iv_from_name): Removed.
3084         (debug_loop_iv_stack): Removed.
3085         (free_loop_iv_stack): Removed.
3086         (loop_iv_stack_remove_constants): Removed.  *
3087         sese.h (iv_stack_entry_kind): Removed.
3088         (iv_stack_entry_data_union): Removed.
3089         (iv_stack_entry_struct): Removed.
3090         (iv_stack_entry_p): Removed.
3091         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3092         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3093         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3094         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3095         (gbb_loop_at_index): Fix indenting.
3096         (gbb_loop_index): Removed.
3097
3098 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3099
3100         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3101         Call clast_name_to_index.
3102
3103 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3104
3105         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3106         do not pass params.  Get params from SESE_PARAMS.
3107         (clast_to_gcc_expression): Same.
3108         (clast_to_gcc_expression_red): Same.
3109         (gcc_type_for_clast_eq): Same.
3110         (graphite_translate_clast_equation): Same.
3111         (graphite_create_new_loop): Same.
3112         * sese.c (rename_variables_in_stmt): Fix comment.
3113
3114 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3117         newivs_index.
3118         Call save_clast_name_index.
3119         (translate_clast): Pass newivs_index.
3120         (gloog): Create and free newivs_index.
3121
3122 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3125         (clast_name_index_p): New type.
3126         (debug_clast_name_index): New.
3127         (debug_clast_name_indexes_1): New.
3128         (debug_clast_name_indexes): New.
3129         (clast_name_index_elt_info): New.
3130         (eq_clast_name_indexes): New.
3131         (clast_name_to_index): New.
3132         (new_clast_name_index): New.
3133         (save_clast_name_index): New.
3134         (init_sese_params_index): New.
3135         (gloog): Call init_sese_params_index.
3136         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3137         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3138         (free_sese): Free SESE_PARAMS_INDEX.
3139         * sese.h (struct sese): Add params_index.
3140         (SESE_PARAMS_INDEX): New.
3141
3142 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3143
3144         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3145         (graphite_create_new_loop): Pass the newivs vector.  Push the
3146         newly created IV to newivs.
3147         (translate_clast): Pass the newivs vector.
3148         (gloog): Create and destroy the newivs vector.
3149
3150 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3153         (graphite_loop_normal_form): Initialize loop->aux with the unique
3154         IV that has been created.
3155
3156 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3157
3158         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3159         scev with parameters in the base part. They where forbidden
3160         exidently.
3161
3162 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3163
3164         * gcc.dg/graphite/graphite.exp: Set different default
3165         compile options by file names.
3166         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3167         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3168         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3169         * gcc.dg/graphite/scop-matmult.c: Ditto.
3170
3171 2009-05-08  Li Feng <nemokingdom@gmail.com>
3172
3173         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3174         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3175         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3176         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3177
3178 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3179
3180         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3181         by final cleanup.
3182
3183 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3184
3185         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3186         allow integer constant strides.
3187         (graphite_can_represent_expr): Depend on outermost_loop.
3188         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3189         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3190         build_scops_1): Same.
3191         (scopdet_basic_block_info): Same and insert layered SCoP
3192         detection.
3193         (try_generate_gimple_bb): Cleanup.
3194         (build_scops): Enable data references.
3195
3196         * gcc.dg/graphite/id-5.c: New.
3197         * gcc.dg/graphite/id-9.c: New.
3198         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3199         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3200
3201 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3202
3203         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3204         that we have not yet built for this SCoP.
3205
3206 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3207
3208         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3209         for complex numbers.
3210
3211 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3212
3213         * graphite-ppl.c: Fix build if cloog is not available.
3214
3215 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3216
3217         * tree-parloops.c (loop_parallel_p): Remove construction of
3218         NITER and REDUCTION_LIST.
3219         (try_get_loop_niter): New.
3220         (try_create_reduction_list): New.
3221         (parallelize_loops): Bypass the failed checkings in autopar
3222         when can_be_parallel in loop structure is set to true.
3223
3224 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3225
3226         * gcc.dg/graphite/id-6.c: Update testcase.
3227         * gcc.dg/graphite/scop-3.c: Dito.
3228
3229 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3230
3231         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3232         Enable EQ_EXPR and NE_EXPR again.
3233
3234 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3235
3236         * graphite-scop-detection.c (graphite_can_represent_scev):
3237         Add check if scev is affine multivariate.
3238         (harmful_stmt_in_bb): Check if we can represent the conditions.
3239         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3240         harmful_stmt_in_bb.
3241         * gcc.dg/graphite/id-7.c: New.
3242
3243 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3244
3245         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3246         Check all bbs in region, not only the bbs that are represented in
3247         GRAPHITE.
3248         (build_poly_scop): Add newline.
3249         * gcc.dg/graphite/id-8.c: New.
3250
3251 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3252
3253         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3254         when loop initialize.
3255         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3256         * common.opt: Declare flag_graphite_force_parallel.
3257         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3258         loop parallel.
3259         * graphite-poly.c (apply_poly_transforms): Introduce
3260         flag_graphite_force_parallel.
3261         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3262         * toplev.c (process_options): ditto and replace a not correctly
3263         encoded space.
3264
3265 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3266
3267         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3268         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3269         to the redefinition.
3270         (compute_cloog_iv_types_1): ditto.
3271         (build_iv_mapping): ditto.
3272         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3273         initialization.
3274         (free_gimple_bb): Removed GBB_LOOPS related free part.
3275         (build_bb_loops): Removed.
3276         * sese.h (struct gimple_bb): Removed loops.
3277         (GBB_LOOPS): Removed.
3278         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3279         (gbb_loop_index): ditto.
3280
3281 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3282
3283         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3284         allow non constant strides.
3285         * gcc.dg/graphite/scop-20.c: New.
3286
3287 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * graphite-scop-detection.c (dot_all_scops): Fix system call
3290         return value warning.
3291         (dot_scop): Same.
3292
3293 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3294
3295         * gcc.dg/graphite/id-6.c: Fix pattern.
3296         * gcc.dg/graphite/scop-3.c: Same.
3297
3298 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3301         build_pairwise_constraint, dr_equality_constraints,
3302         build_pairwise_scheduling_equality,
3303         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3304         build_lexicographically_gt_constraint, dependence_polyhedron,
3305         graphite_legal_transform_dr, graphite_legal_transform_bb,
3306         graphite_legal_transform): New.
3307         * graphite-poly.h (graphite_legal_transform): Declared.
3308         * graphite-sese-to-poly.c (build_poly_scop): Call to
3309         graphite_legal_transform is disabled for the moment.
3310
3311 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * graphite-poly.h (pbb_nb_scattering_dims): New.
3314         (pbb_nb_scattering): Use it.
3315
3316 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3319         Pointset_Powerset version of ppl_insert_dimensions.
3320         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3321
3322 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3325
3326 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3327
3328         * graphite-poly.h: Fix comment.
3329
3330 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3331
3332         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3333
3334 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3335
3336         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3337         statements.
3338
3339 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3340
3341         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3342         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3343         conditions.
3344
3345 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3348         handle EQ_EXPR and NE_EXPR.
3349
3350 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3351
3352         * graphite-poly.h (poly_dr): Fix comment.
3353
3354 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3355             Tobias Grosser  <grosser@fim.uni-passau.de>
3356
3357         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3358         with a zero dimension polyhedron.
3359         (find_scop_parameters): Move the call to scop_set_nb_params here.
3360         (build_loop_iteration_domains): Store in loop->aux the iteration
3361         domain polyhedron.
3362         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3363         by any loop in scop.
3364         (build_poly_scop): Do not call scop_set_nb_params.
3365
3366 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3367             Tobias Grosser  <grosser@fim.uni-passau.de>
3368
3369         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3370         add_condition_to_domain not GT_EXPR.
3371
3372 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3373
3374         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3375         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3376         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3377         upper_bound_assign to calculate unions.
3378         * gcc.dg/graphite/id-6.c: New.
3379
3380 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3381
3382         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3383         handle abnormal edges.
3384
3385 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3386
3387         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3388         (free_poly_bb): Also free poly_drs.
3389         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3390         (poly_dr): Polyhedron to Pointset_Powerset.
3391         (pdr_accessp_nb_subscripts): Same.
3392         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3393         poly_drs.
3394
3395 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3396
3397         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3398         names into more meaningful names.
3399
3400 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3401
3402         * gfortran.dg/graphite/interchange-1.c: New.
3403         * gfortran.dg/graphite/interchange-2.c: New.
3404
3405 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3408         the reduction_list.
3409         * tree-parloops.c (rewrite_phi_with_iv): New.
3410         (rewrite_all_phi_nodes_with_iv): New.
3411         (canonicalize_loop_ivs): Call them.
3412
3413 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3414
3415         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3416         graphite_find_data_references_in_stmt.