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1 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * graphite-poly.h (struct poly_scattering): Add layout documentation.
4         (struct poly_bb): Same.
5         (combine_context_id_scat): New.
6
7 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8
9         PR middle-end/42326
10         * sese.c (name_defined_in_loop_p): Return false for default
11         definitions.
12
13         * gcc.dg/graphite/pr42326.c: New.
14
15 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
16
17         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
18         and clean up the logic.
19
20 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
21
22         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
23         early return.
24
25 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
26
27         PR middle-end/43083
28         * graphite-scop-detection.c (create_single_exit_edge): Move
29         the call to find_single_exit_edge to....
30         (create_sese_edges): ...here.  Don't handle multiple edges
31         exiting the function.
32         (build_graphite_scops): Don't handle multiple edges
33         exiting the function.
34
35         * gcc.dg/graphite/pr43083.c: New.
36
37 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
38
39         PR middle-end/43097
40         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
41         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
42
43         * gfortran.dg/graphite/pr43097.f: New.
44
45 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
46             Manuel López-Ibáñez  <manu@gcc.gnu.org>
47
48         PR middle-end/43140
49         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
50
51 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
52
53         PR middle-end/43026
54         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
55
56         * g++.dg/graphite/pr43026.C: New.
57
58 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
59
60         * Merge from mainline (154736:156693).
61
62 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
63
64         PR middle-end/43012
65         * gcc.dg/graphite/pr43012.c: New.
66
67 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
68
69         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
70 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
71
72         * g++.dg/graphite/pr42930.C: New.
73
74 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
75
76         PR middle-end/42930
77         * graphite-scop-detection.c (graphite_can_represent_scev): Call
78         graphite_can_represent_init for MULT_EXPR.
79
80 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
81
82         PR middle-end/42914
83         PR middle-end/42530
84         * graphite-sese-to-poly.c (remove_phi): New.
85         (translate_scalar_reduction_to_array): Call remove_phi.
86
87         * gcc.dg/graphite/pr42530.c: New.
88         * gcc.dg/graphite/pr42914.c: New.
89
90 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
91
92         PR middle-end/42771
93         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
94         * graphite-clast-to-gimple.h (gloog): Update declaration.
95         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
96         * graphite-poly.h (struct poly_bb): Add missing comments.
97         (struct scop): Add poly_scop_p field.
98         (POLY_SCOP_P): New.
99         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
100         * graphite.c (graphite_transform_loops): Build the polyhedral
101         representation for each scop before code generation.
102         * sese.c (rename_variables_in_operand): Removed.
103         (rename_variables_in_expr): Return the renamed expression.
104         (rename_sese_parameters): New.
105         * sese.h (rename_sese_parameters): Declared.
106
107         * gcc.dg/graphite/pr42771.c: New.
108
109 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
110
111         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
112         return 0 from main.
113         * gcc.dg/graphite/block-1.c: Same.
114         * gcc.dg/graphite/block-3.c: Same.
115         * gcc.dg/graphite/block-4.c: Same.
116         * gcc.dg/graphite/block-5.c: Same.
117         * gcc.dg/graphite/block-6.c: Same.
118         * gcc.dg/graphite/block-7.c: Same.
119         * gcc.dg/graphite/interchange-0.c: Same.
120         * gcc.dg/graphite/interchange-1.c: Same.
121         * gcc.dg/graphite/interchange-10.c: Same.
122         * gcc.dg/graphite/interchange-11.c: Same.
123         * gcc.dg/graphite/interchange-12.c: Same.
124         * gcc.dg/graphite/interchange-2.c: Same.
125         * gcc.dg/graphite/interchange-3.c: Same.
126         * gcc.dg/graphite/interchange-4.c: Same.
127         * gcc.dg/graphite/interchange-5.c: Same.
128         * gcc.dg/graphite/interchange-6.c: Same.
129         * gcc.dg/graphite/interchange-7.c: Same.
130         * gcc.dg/graphite/interchange-8.c: Same.
131         * gcc.dg/graphite/interchange-9.c: Same.
132         * gcc.dg/graphite/interchange-mvt.c: Same.
133
134 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
135
136         * gfortran.dg/graphite/id-19.f: New.
137         * gfortran.dg/graphite/pr14741.f90: New.
138         * gfortran.dg/graphite/pr41924.f90: New.
139         * gfortran.dg/graphite/run-id-2.f90: New.
140
141 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
142
143         PR middle-end/42988
144         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
145         to unknown_dependence.
146         (graphite_legal_transform_dr): Handle the unknown_dependence.
147         (graphite_carried_dependence_level_k): Same.
148
149 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
150
151         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
152
153 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
154             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
155
156         PR middle-end/42637
157         * graphite-dependences.c (build_lexicographical_constraint): Return
158         a union of dependence polyhedra.
159         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
160
161         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
162         * gcc.dg/graphite/block-4.c: Same.
163         * gcc.dg/graphite/block-7.c: Same.
164         * gcc.dg/graphite/interchange-12.c: Same.
165         * gcc.dg/graphite/interchange-mvt.c: Same.
166         * gfortran.dg/graphite/interchange-1.f: XFAILed.
167         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
168         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
169
170 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
171
172         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
173         the execution check to FAIL.  This testcase is miscompiled by Graphite
174         and the check should be re-enabled.
175         * gcc.dg/graphite/interchange-mvt.c: Same.
176         * gcc.dg/graphite/block-0.c: Same.
177         * gcc.dg/graphite/block-4.c: Same.
178         * gcc.dg/graphite/block-7.c: Same.
179
180 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
181
182         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
183         * gcc.dg/graphite/scop-0.c: Fix spaces.
184         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
185         * gfortran.dg/graphite/block-2.f: Same.
186         * gfortran.dg/graphite/block-3.f90: Same.
187         * gfortran.dg/graphite/block-4.f90: Same.
188         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
189         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
190
191 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
192
193         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
194         PDDR_ORIGINAL_SCATTERING_P.
195         (pddr_is_empty): Rewritten.
196         (print_dependence_polyhedron_layout): New.
197         (print_pddr): New.
198         (debug_pddr): New.
199         (build_alias_set_powerset): Moved up.
200         (poly_drs_may_alias_p): Moved up.
201         (lexicographically_gt_p): Removed.
202         (build_lexicographically_gt_constraint): Renamed
203         build_lexicographical_constraint, reimplemented.
204         (dependence_polyhedron_1): Simplified parameters.
205         (dependence_polyhedron): Same.  Keep along empty PDDRs
206         to make efficient use of the cache.
207         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
208         (graphite_legal_transform_dr): Rewritten.
209         (graphite_legal_transform_bb): Pass fewer arguments to
210         graphite_legal_transform_dr.
211         (graphite_carried_dependence_level_k): Simplified implementation.
212         (dot_original_deps_stmt_1): Call dependence_polyhedron.
213         (dot_transformed_deps_stmt_1): Same.
214         (dot_original_deps): Same.
215         (dot_transformed_deps): Same.
216         * graphite-dependences.h (struct poly_ddr): Added a new field
217         original_scattering_p.
218         (PDDR_ORIGINAL_SCATTERING_P): New.
219         (print_pddr): Declared.
220         (debug_pddr): Declared.
221         * graphite-ppl.c: Clarify comment.
222         * sese.h (print_gimple_bb): Removed unused declaration.
223         (debug_gbb): Same.
224
225 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
226
227         * g++.dg/graphite/graphite.exp: Rewritten.
228         * gcc.dg/graphite/graphite.exp: Rewritten.
229         * gfortran.dg/graphite/graphite.exp: Rewritten.
230         * gcc.dg/graphite/block-0.c: Added runtime test.
231         * gcc.dg/graphite/block-1.c: Same.
232         * gcc.dg/graphite/block-3.c: Same.
233         * gcc.dg/graphite/block-4.c: Same.
234         * gcc.dg/graphite/block-5.c: Same.
235         * gcc.dg/graphite/block-6.c: Same.
236         * gcc.dg/graphite/block-7.c: Same.
237         * gcc.dg/graphite/interchange-0.c: Same.
238         * gcc.dg/graphite/interchange-1.c: Same.
239         * gcc.dg/graphite/interchange-10.c: Same.
240         * gcc.dg/graphite/interchange-11.c: Same.
241         * gcc.dg/graphite/interchange-12.c: Same.
242         * gcc.dg/graphite/interchange-2.c: Same.
243         * gcc.dg/graphite/interchange-3.c: Same.
244         * gcc.dg/graphite/interchange-4.c: Same.
245         * gcc.dg/graphite/interchange-5.c: Same.
246         * gcc.dg/graphite/interchange-6.c: Same.
247         * gcc.dg/graphite/interchange-7.c: Same.
248         * gcc.dg/graphite/interchange-8.c: Same.
249         * gcc.dg/graphite/interchange-9.c: Same.
250         * gcc.dg/graphite/interchange-mvt.c: Same.
251         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
252
253 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
254
255         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
256           background.
257
258 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
259
260         * common.opt: Add -fgraphite-cloog-opts.
261         * graphite-clast-to-gimple.c (set_cloog_options): Same.
262         * opts.c (decode_options): Same.
263
264 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
265
266         * gcc.dg/graphite/id-17.c: New.
267         * gcc.dg/graphite/pr41888.c: New.
268         * gcc.dg/graphite/scop-22.c: New.
269         * gfortran.dg/graphite/pr40982.f90: New.
270
271 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
272
273         * graphite-dependences.c: Clarify comments.
274         (build_pddr): Add an extra parameter direction.
275         (graphite_legal_transform_dr): Use build_pddr.
276         (dot_original_deps_stmt_1): Update use of build_pddr.
277         (dot_transformed_deps_stmt_1): Same.
278         (dot_original_deps): Same.
279         (dot_transformed_deps): Same.
280
281         * gcc.dg/graphite/interchange-12.c: New.
282         * gcc.dg/graphite/block-7.c: New.
283
284 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
285
286         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
287         (pddr_transformed_scattering): Removed.
288         (graphite_legal_transform_dr): Use build_pddr.
289         (dot_original_deps_stmt_1): Same.
290         (dot_transformed_deps_stmt_1): Same.
291         (dot_original_deps): Same.
292         (dot_transformed_deps): Same.
293
294 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
295
296         * graphite-dependences.c (lexicographically_gt_p): Add comments.
297         (build_lexicographically_gt_constraint): Same.
298         (dependence_polyhedron_1): Same.
299         (dependence_polyhedron): Same.
300
301 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
302
303         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
304         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
305         (lexicographically_gt_p): Change type of direction to int.
306         (build_lexicographically_gt_constraint): Same.
307         (dependence_polyhedron_1): Same.
308         (dependence_polyhedron): Same.
309         (pddr_original_scattering): Use integers for direction.
310         (pddr_transformed_scattering): Same.
311         (graphite_legal_transform_dr): Same.
312         (graphite_carried_dependence_level_k): Same.
313
314 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
315
316         * graphite-dependences.c (build_pairwise_constraint): Renamed
317         ppl_build_relation.  Moved...
318         (dr_equality_constraints): Use ppl_build_relation.
319         (build_pairwise_scheduling_equality): Same.
320         (build_pairwise_scheduling_inequality): Same.
321         * graphite-ppl.c (ppl_build_relation): ...here.
322         * graphite-ppl.h (ppl_build_relation): Declared.
323
324 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
325
326         PR middle-end/42681
327         * graphite-clast-to-gimple.c (gloog_error): New static variable.
328         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
329         Set gloog_error when such an expression failed to be built.
330         (translate_clast): Early return when gloog_error is set.
331         (gloog): Clear gloog_error.  When gloog_error is set, call
332         set_ifsese_condition to enable the original code.  Return the status
333         of the code generation based on gloog_error.
334         * sese.c (set_ifsese_condition): New.
335         * sese.h (set_ifsese_condition): Declared.
336
337         * g++.dg/graphite/pr42681.C: New.
338
339 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
340
341         PR middle-end/42732
342         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
343         rename_nb_iterations.
344         * sese.c (rename_variables_in_operand): New.
345         (rename_variables_in_expr): New.
346         (rename_nb_iterations): New.
347         (sese_adjust_liveout_phis): Update the rename_map.
348         * sese.h (rename_nb_iterations): Declared.
349         * tree-scalar-evolution.c (scev_reset_htab): New.
350         (scev_reset): Call scev_reset_htab.
351         * tree-scalar-evolution.h (scev_reset_htab): Declared.
352
353         * gfortran.dg/graphite/pr42732.f: New.
354
355 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
356
357         PR middle-end/42393
358         * graphite-clast-to-gimple.c: Fix formatting.
359         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
360         (expr_defined_in_loop_p): New.
361         (add_loop_exit_phis): Also handle full expressions: remove from
362         the rename_map the expressions defined in the loop that we're closing.
363
364         * gfortran.dg/graphite/pr42393-1.f90: New.
365         * gfortran.dg/graphite/pr42393.f90: Add new flags
366         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
367         make this testcase useful in the Graphite branch.
368
369 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
370
371         * graphite-scop-detection.c (exclude_component_ref): Removed.
372         (is_simple_operand): Removed.
373         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
374
375 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
376
377         PR middle-end/42221
378         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
379         the array indexing of ADDR_EXPRs.
380
381         * gcc.dg/graphite/pr42221.c: New.
382
383 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
384
385         PR middle-end/42521
386         * graphite.c (graphite_finalize): Call scev_reset.
387         (graphite_transform_loops): Do not call scev_reset between the code
388         generation of scops.
389
390         * gcc.dg/graphite/pr42521.c: New.
391
392 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
393
394         * graphite-interchange.c (memory_stride_in_loop): Renamed
395         pdr_stride_in_loop.
396         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
397         (memory_strides_in_loop): Memoize the memory strides per loop.
398         (lst_interchange_profitable_p): Do not initialize to zero the memory
399         strides.
400         * graphite-poly.h (struct lst): Add a field memory_strides.
401         (LST_LOOP_MEMORY_STRIDES): New.
402         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
403         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
404
405 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
406
407         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
408         memory_strides_in_loop.  Gather memory strides on a whole loop.
409         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
410         (lst_interchange_profitable_p): Removed.
411         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
412
413 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
414
415         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
416         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
417         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
418         Remove context_loop and level.
419
420 2010-01-07  Richard Guenther  <rguenther@suse.de>
421
422         PR tree-optimization/42641
423         * sese.c (rename_map_elt_info): Use the SSA name version, do
424         not hash pointers.
425
426 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
427
428         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
429         blocked" only when both the strip mine and the interchange have
430         been applied.
431
432         * gcc.dg/graphite/block-2.c: Removed.
433         * gcc.dg/graphite/block-3.c: Add scan pattern.
434         * gcc.dg/graphite/block-4.c: Same.
435         * gcc.dg/graphite/block-5.c: Same.
436         * gcc.dg/graphite/block-6.c: Same.
437
438 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
439
440         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
441         before allocating a new one.
442         (copy_renames): Check that slot is not NULL.
443         (mark_bb_with_pbb): Same.
444         (compute_cloog_iv_types_1): Same.
445         * graphite-interchange.c (lst_perfect_nestify): Free the before,
446         nest, and after LSTs.
447         (lst_try_interchange_loops): Same.
448
449 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
450
451         PR middle-end/42178
452         * graphite-interchange.c (lst_try_interchange_loops): Do not return
453         the before, nest, and after LSTs.
454         (lst_try_interchange): Removed.
455         (lst_interchange_select_inner): Do not iterate over the LSTs if they
456         were modified.
457         (lst_interchange_select_outer): Apply interchange on the outer loop
458         until there are no more changes in the inner loops.
459
460 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
461
462         Revert patch fixing PR middle-end/42221.
463
464 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
465
466         PR middle-end/42180
467         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
468         GIMPLE_CALL.
469
470         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
471
472 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
473
474         PR middle-end/42180
475         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
476         that contain only one statement.
477
478         * gfortran.dg/graphite/pr42180.f90: New.
479
480 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
481
482         PR middle-end/42393
483         * gfortran.dg/graphite/pr42393.f90: New.
484
485 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
486
487         PR middle-end/42186
488         * gfortran.dg/graphite/pr42186.f90: New.
489
490 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
491
492         PR middle-end/42205
493         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
494         Insert the reduction copy in the same block as the phi node.
495         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
496
497         * gcc.dg/graphite/pr42205-1.c: New.
498         * gcc.dg/graphite/pr42205-2.c: New.
499
500 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
501
502         PR middle-end/42221
503         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
504         the array indexing of ADDR_EXPRs.
505
506         * gcc.dg/graphite/pr42221.c: New.
507
508 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
509
510         PR middle-end/42178
511         PR middle-end/42334
512         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
513         index.  Call lst_interchange_select_inner only once.
514         (lst_interchange_select_inner): Update use of lst_try_interchange.
515         (lst_interchange_select_outer): Update.
516
517 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
518
519         PR middle-end/42178
520         PR middle-end/42334
521         * graphite-interchange.c (lst_try_interchange): Do not increment the
522         the OUTER index when there is no AFTER kernel.  Do not increment the
523         OUTER index for after processing the AFTER kernel.
524         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
525         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
526         index.  Do not pass to lst_interchange_select_inner the OUTER index.
527         (scop_do_interchange): Update use of lst_interchange_select_outer.
528
529         * gfortran.dg/graphite/graphite.exp
530         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
531         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
532         the graphite dump file.
533         * gfortran.dg/graphite/interchange-2.f: Same.
534         * gfortran.dg/graphite/pr42334-1.f: New.
535
536 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
537
538         PR middle-end/42178
539         PR middle-end/42334
540         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
541         that are empty.
542         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
543         (lst_try_interchange): Reimplemented.
544         (lst_interchange_select_inner): Same.
545         (lst_do_interchange): Renamed lst_interchange_select_outer.
546         Reimplemented.
547         (scop_do_interchange): Update use of lst_interchange_select_outer.
548
549         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
550         * gcc.dg/graphite/block-0.c: Un-XFAILed.
551         * gcc.dg/graphite/pr42211.c: New.
552         * gfortran.dg/graphite/pr42334.f90: New.
553
554 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
555
556         PR middle-end/42181
557         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
558         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
559
560         * gfortran.dg/graphite/pr42181.f90: New.
561
562 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
563
564         PR middle-end/42284
565         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
566         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
567         (detect_commutative_reduction_arg): Simplified.
568         (detect_commutative_reduction): Early return when the argument of
569         the close phi is not of an SSA_NAME.
570
571         * gcc.dg/graphite/pr42284.c: New.
572
573 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
574
575         * dbgcnt.def (graphite_scop): New counter.
576         * graphite.c: Include dbgcnt.h
577         (graphite_transform_loops): Use new counter to limit transformations.
578
579 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
580
581         PR middle-end/42285
582         * graphite-scop-detection.c (graphite_can_represent_init): Also
583         handle more complex MULT_EXPRs containing parameters by recursion
584         on the structure.
585
586         * gfortran.dg/graphite/pr42285.f90: New.
587
588 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
589
590         * g++.dg/graphite/pr42130.C: Fix type.
591
592 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
593
594         * g++.dg/graphite/pr42130.C: Correct testcase.
595
596 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
597
598         * Merge from mainline (154493:154734).
599
600 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
601
602         * Merge from mainline (151362:154491).
603
604 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
605
606         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
607         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
608
609 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
610
611         PR middle-end/42130
612         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
613         translate_clast_for_loop): New.
614         (translate_clast_for): Add a condition around the loop, to do not
615         execute loops with zero iterations.
616         * g++.dg/graphite/pr42130.C: New.
617         * gcc.dg/graphite/pr35356-2.c: Adapt.
618
619 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
620
621         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
622         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
623         Remove context_loop and level.
624
625 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
626
627         * graphite-clast-to-gimple.c (translate_clast_user,
628         translate_clast_for, translate_clast_guard): Simplify and move common
629         elements to translate_clast().
630         (translate_clast): Simplify and get common elements.
631
632 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
633
634         * graphite-clast-to-gimple.c (translate_clast_user,
635         translate_clast_for, translate_clast_guard): Split out of
636         translate_clast.
637
638 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
639
640         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
641         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
642         debug_clast_name_indexes_1, debug_clast_name_indexes,
643         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
644         (clast_name_to_gcc, clast_to_gcc_expression,
645         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
646         gcc_type_for_clast_eq, graphite_translate_clast_equation,
647         graphite_create_guard_cond_expr, graphite_create_new_loop,
648         translate_clast): Add params_index.
649         (initialize_cloog_names): Create parameter strings from scratch, do
650         not reference other strings.
651         (create_params_index): New.
652         (gloog): Initialize params_index.
653         * graphite-scop-detection (free_scops_1): Removed.
654         (limit_scops): Use normal free_scops.
655         * graphite-sese-to-poly.c (save_var_names): Removed.
656         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
657         and SESE_PARAMS_INDEX.
658         * sese.c (new_sese, free_sese): Dito.
659         * sese.h (struct sese): Remove params_index, params_names.
660         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
661
662 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
663
664         Revert the following patch from 2009-09-14:
665         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
666         tree-scalar-evolution.h, and then tree-data-ref.h.
667         * graphite-clast-to-gimple.c: Same.
668         * graphite-dependences.c: Same.
669         * graphite-interchange.c: Same.
670         * graphite-poly.c: Same.
671         * graphite-scop-detection.c: Same.
672         * graphite-sese-to-poly.c: Same.
673         * graphite.c: Same.
674         * lambda-code.c: Same.
675         * matrix-reorg.c: Same.
676         * tree-data-ref.c: Same.
677         * tree-if-conv.c: Same.
678         * tree-loop-distribu: Same.: Same.
679         * tree-loop-linear.c: Same.
680         * tree-parloops.c: Same.
681         * tree-predcom.c: Same.
682         * tree-vect-patterns.c: Same.
683
684 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
685
686         Revert patch from 2009-09-14.
687         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
688         passes at -O1 and below.
689
690 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
691
692         PR middle-end/40281
693         * gcc.dg/graphite/pr40281.c: New.
694
695         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
696         evolutions should not variate in inner loops.
697
698 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
699
700         PR middle-end/42050
701         * gfortran.dg/graphite/pr42050.f90: New.
702
703 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
704
705         * graphite-interchange.c (memory_strides_in_loop_depth): New.
706         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
707
708 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
709
710         * graphite-blocking.c (scop_do_block): New.
711         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
712         * graphite-poly.h (scop_do_block): Declared.
713
714 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
715
716         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
717         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
718         to transform depth into the time_depth before calling
719         pbb_number_of_iterations_at_time.
720         (lst_do_strip_mine): Use a scalar variable instead of recomputing
721         lst_depth.
722
723 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
724
725         Reverted the patch for "scattering permutations" from 2009-10-28.
726
727         * graphite-poly.c (print_permutation): New.
728         (debug_permutation): New.
729         (new_poly_bb): Initialize PBB_PERMUTATION.
730         (free_poly_bb): Free PBB_PERMUTATION.
731         * graphite-poly.h (pbb_permutation_elt_p): Declared.
732         (struct pbb_permutation_elt): New.
733         (PBB_PERMUTATION_ELT_STRIDE): New.
734         (PBB_PERMUTATION_ELT_STRIDED_P): New.
735         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
736         (new_pbb_permutation_elt): New.
737         (pbb_permutation_elt_free): New.
738         (struct poly_bb): Add field permutation.
739         (PBB_PERMUTATION): New.
740         (print_permutation): Declared.
741         (debug_permutation): Declared.
742
743 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
744
745         * graphite-interchange.c (build_partial_difference): New.
746         (memory_stride_in_loop): Refactored the computation of
747         equality constraints into build_partial_difference function.
748         Added support for debugging stride computations.
749
750 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
751
752         * graphite-clast-to-gimple.c (gloog): Free if_region,
753         if_region->true_region, and if_region->region.
754         * sese.c (if_region_set_false_region): Free if_region->false_region.
755         (create_if_region_on_edge): Do not use GGC_NEW.
756         (move_sese_in_condition): Remove useless initialization.
757
758 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
759
760         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
761         for the loops created by the loop distribution.  Do not modify the
762         input LSTs.
763         (lst_try_interchange_loops): Same.  Use a temporary LST for the
764         transformed schedule.  Call lst_update_scattering before data
765         dependence analysis.
766         (lst_try_interchange): Pass an extra parameter INDEX.
767         (lst_do_interchange_1): New.
768         (lst_do_interchange): Call lst_do_interchange_1.
769         (scop_do_interchange): Call lst_update_scattering.
770         * graphite-poly.c (apply_poly_transforms): Do not call
771         lst_update_scattering.
772         * graphite-poly.h (lst_pred): New.
773         (lst_succ): New.
774         (lst_find_first_pbb): Return NULL when not found.
775         (lst_empty_p): New.
776         (lst_insert_in_sequence): Allow LST1 to be NULL.
777         (lst_replace): New.
778         (lst_substitute_3): New.
779         * gcc.dg/graphite/interchange-1.c: XFail.
780         * gcc.dg/graphite/interchange-8.c: XFail.
781         * gcc.dg/graphite/interchange-11.c: XFail.
782
783 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
784
785         * graphite-interchange.c (lst_perfectly_nested_p): New.
786         (lst_perfect_nestify): New.
787         (lst_try_interchange_loops): Call store_lst_schedule,
788         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
789         (scop_do_interchange): Avoid redundant legality test.
790         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
791         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
792         * graphite-poly.h (psct_static_dim): New.
793         (lst_dewey_number_at_depth): New.
794         (lst_find_pbb): Restructured.
795         (lst_find_first_pbb): Restructured.
796         (lst_find_last_pbb): New.
797         (lst_contains_p): New.
798         (lst_contains_pbb): New.
799         (lst_create_nest): New.
800         (lst_remove_from_sequence): New.
801         (pbb_update_scattering): New.
802         (lst_update_scattering_under): New.
803         (lst_update_scattering_seq): New.
804         (lst_update_scattering): New.
805         (lst_insert_in_sequence): New.
806         (lst_distribute_lst): New.
807         (lst_remove_all_before_including_pbb): New.
808         (lst_remove_all_before_excluding_pbb): New.
809
810 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
811
812         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
813         get_loop_exit_edges.
814
815 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
816
817         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
818
819 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
820
821         * graphite-poly.c (print_permutation): New.
822         (debug_permutation): New.
823         (new_poly_bb): Initialize PBB_PERMUTATION.
824         (free_poly_bb): Free PBB_PERMUTATION.
825         * graphite-poly.h (pbb_permutation_elt_p): Declared.
826         (struct pbb_permutation_elt): New.
827         (PBB_PERMUTATION_ELT_STRIDE): New.
828         (PBB_PERMUTATION_ELT_STRIDED_P): New.
829         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
830         (new_pbb_permutation_elt): New.
831         (pbb_permutation_elt_free): New.
832         (struct poly_bb): Add field permutation.
833         (PBB_PERMUTATION): New.
834         (print_permutation): Declared.
835         (debug_permutation): Declared.
836
837 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
838
839         * graphite-clast-to-gimple.c (gloog): Do not call
840         sese_reset_aux_in_loops.
841         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
842         extra argument for domains.  Do not use loop->aux.
843         (build_scop_iteration_domain): Initialize and free domains, pass it
844         to build_loop_iteration_domains and extract the information from
845         domains.  Do not use loop->aux.
846         * sese.c (sese_reset_aux_in_loops): Removed.
847         * sese.h (sese_reset_aux_in_loops): Removed.
848
849 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
850
851         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
852         (dependency_in_loop_p): Same.
853         (translate_clast): Do not use loop->aux.  Initialize
854         loop->can_be_parallel.
855         (mark_loops_parallel): Removed.
856         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
857         * graphite.c (free_aux_in_new_loops): Removed.
858         (graphite_finalize): Do not call free_aux_in_new_loops.
859         (graphite_transform_loops): Do not call mark_loops_parallel.
860
861 2009-10-26  Li Feng  <nemokingdom@gmail.com>
862
863         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
864         (translate_clast): Pass an extra parameter LEVEL.
865         Call get_scattering_level.
866         * graphite-clast-to-gimple.h (get_scattering_level): New.
867
868 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
869
870         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
871         * cfgloop.h (struct loop): New field single_iv.
872
873         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
874         loop->aux anymore: use loop->single_iv.
875         (graphite_loop_normal_form): Moved...
876         (build_graphite_loop_normal_form): Removed.
877         (gloog): Do not call build_graphite_loop_normal_form.
878         (free_aux_in_new_loops): Moved...
879         (mark_loops_parallel): Restructure.
880         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
881         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
882         (scop_canonicalize_loops): New.
883         (build_poly_scop): Call scop_canonicalize_loops.
884         * graphite.c (free_aux_in_new_loops): ...here.
885
886 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
887
888         * g++.dg/graphite/graphite.exp: Add the same rules as in
889         gcc.dg/graphite/graphite.exp.
890
891 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
892
893         * g++.dg/graphite/id-1.C: New.
894
895 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
896
897         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
898         argument base_name.
899         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
900         (rewrite_phi_out_of_ssa): Same.
901         (rewrite_cross_bb_scalar_deps): Same.
902         (translate_scalar_reduction_to_array): Same.
903
904 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
905
906         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
907         dump_alias_graphs.
908
909 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
910
911         * graphite-sese-to-poly.c (dump_alias_graphs): New.
912         (build_scop_drs): Call dump_alias_graphs.
913
914 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
915
916         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
917         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
918         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
919         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
920         * graphite-poly.h (free_lst): New.
921         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
922         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
923
924 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
925
926         * graphite-poly.h (struct scop): Add a field saved_schedule.
927         (SCOP_SAVED_SCHEDULE): New.
928         (store_lst_schedule): New.
929         (restore_lst_schedule): New.
930         (store_scattering): Call store_lst_schedule.
931         (restore_scattering): Call restore_lst_schedule.
932
933 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
934
935         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
936         (pdr_add_alias_set): Same.
937         (build_poly_dr): Same.
938         (build_alias_set_optimal_p): Same.
939         (build_base_obj_set_for_drs): Same.  Do not store the result of
940         graphds_dfs.
941
942 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
943
944         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
945         all_components_are_cliques to 1.
946
947 2009-10-20  Li Feng  <nemokingdom@gmail.com>
948
949         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
950         the new structure.
951         (pdr_add_alias_set): Update retrieving alias_set_num.
952         (build_poly_dr): Update retrieving dr_base_object_set.
953         (partition_drs_to_sets): Remove.
954         (build_alias_set_optimal_p): New.
955         (build_alias_set_for_drs): Rename.
956         (build_scop_drs): Update.
957         * graphite-sese-to-poly.h (struct base_alias_pair): New.
958         (ALIAS_SET_INDEX): Remove.
959         (BASE_OBJECT_SET_INDEX): Remove.
960
961 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
962
963         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
964
965 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
966
967         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
968         loop upper bounds for 1-element arrays at end of structures.
969         * tree-flow.h (array_at_struct_end_p): Declared.
970         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
971
972 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
973
974         * g++.dg/graphite/pr41305.C: New.
975
976 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
977
978         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
979         construction of parameter constraints from loop iteration analysis.
980         * gcc.dg/graphite/run-id-2.c: New test.
981
982 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
983
984         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
985         and new_cstr.
986
987 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
988
989         * graphite-dependences.c (dependence_polyhedron_1): Remove
990         unused gdim dimensions from the DDR polyhedron.
991
992 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
993
994         * graphite-dependences.c (pddr_transformed_scattering): New.
995         (dot_original_deps_stmt_1): New.
996         (dot_transformed_deps_stmt_1): New.
997         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
998         dot_transformed_deps_stmt_1.
999         (dot_original_deps): New.
1000         (dot_transformed_deps): New.
1001         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1002
1003 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1004
1005         * graphite-dependences.c (reduction_dr_1): Remove wrong
1006         assert: reduction BBs can have multiple reduction writes
1007         to memory.  interchange-3.f90 is an example.
1008
1009 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1010
1011         * gfortran.dg/graphite/interchange-3.f90: New.
1012
1013 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1016
1017 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-dependences.c (dependence_polyhedron_1): Add the
1020         context to the dependence polyhedron.
1021
1022 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1025         PBB_PDR_DUPLICATES_REMOVED.
1026         (new_poly_bb): Same.
1027
1028 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1029
1030         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1031         SCOP_CONTEXT.
1032         (build_loop_iteration_domains): Extract bounds on parameters
1033         based on the data size.
1034         (build_scop_context): Do not initialize SCOP_CONTEXT;
1035         add new constraints.
1036
1037 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1040         * graphite-ppl.h (graphite-ppl.h): Declared.
1041
1042 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * graphite-ppl.c (ppl_print_linear_expr): New.
1045         (debug_ppl_linear_expr): New.
1046         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1047         (debug_ppl_linear_expr): Declared.
1048
1049 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * graphite-interchange.c: Fix comments.
1052         * gcc.dg/graphite/block-1.c: Fix comments.
1053
1054 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1057         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1058
1059 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         Reapply the patch from Alexander Monakov that disappeared during
1062         the last merges from trunk.
1063
1064         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1065
1066         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1067         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1068
1069 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1070
1071         * graphite-interchange.c (memory_stride_in_loop): The depth
1072         argument corresponds to a dynamic time dimension, so use
1073         psct_dynamic_dim to refer to the transformed scattering dimension.
1074
1075 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1076
1077         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1078
1079 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1080
1081         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1082         root of the LST.
1083         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1084         the root of the LST.
1085         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1086         fake loop.
1087         (print_lst): Print the root of LST in a different format.
1088         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1089
1090 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1091
1092         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1093
1094 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * doc/passes.texi: Document the Graphite infrastructure.
1097
1098 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1099
1100         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1101         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1102         and check the SSA representation.
1103
1104         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1105
1106 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1109
1110 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         * gcc.dg/graphite/interchange-11.c: New.
1113
1114 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1117
1118 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1119
1120         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1121         Add -fno-loop-strip-mine and -fno-loop-interchange.
1122         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1123         -fno-loop-strip-mine.
1124         * gfortran.dg/graphite/graphite.exp: Same.
1125
1126 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1127
1128         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1129         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1130         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1131         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1132         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1133         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1134         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1135         DEFAULT_FLAGS_GRAPHITE_SCOP.
1136         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1137         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1138
1139 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1142
1143 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1144             Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * graphite-interchange.c (build_linearized_memory_access): Pass an
1147         offset as parameter.
1148         (memory_stride_in_loop): Include transform scattering in the
1149         access functions to be able to querry the strides in the
1150         transformed loops.
1151         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1152         not the psct_iterator_dim.
1153
1154 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1157         (lst_do_strip_mine_loop): New.
1158         (lst_do_strip_mine): New.
1159         (scop_do_strip_mine): Call lst_do_strip_mine.
1160         * graphite-poly.h (lst_add_loop_under_loop): New.
1161         (lst_find_first_pbb): New.
1162
1163 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * graphite-poly.c (loop_to_lst): Fix LST creation.
1166
1167 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1168
1169         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1170         sizeof(unsigned long) to make it run on 32bit systems.
1171
1172 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1173
1174         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1175         SEGFAULT on 32bit.
1176
1177 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1178
1179         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1180         Comment.
1181         (write_alias_graph_to_ascii_dot): New.
1182         (write_alias_graph_to_ascii_ecc): Ditto.
1183         (partition_drs_to_sets): Add testing of optimality of current method
1184         which assigns alias numbers according to DFS Comopnent number.  used
1185         as heuristic for the upcoming ECC algorithm.
1186         (build_scop_drs): Write to file also with the ecc and dot format.
1187
1188 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1189
1190         * gfortran.dg/graphite/interchange-1.f: XFail.
1191
1192 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * graphite.c (graphite_initialize): Do not handle functions with
1195         more than 100 basic blocks.
1196
1197 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * graphite-blocking.c (pbb_do_strip_mine): Use
1200         PARAM_LOOP_BLOCK_TILE_SIZE.
1201
1202 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1203
1204         * graphite-poly.c (dot_lst_1): New.
1205         (dot_lst): New.
1206         * graphite-poly.h (dot_lst): Declared.
1207
1208 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         * graphite-dependences.c (dot_deps_stmt_1): New.
1211         (dot_deps_stmt): New.
1212         * graphite-dependences.h (dot_deps_stmt): Declared.
1213
1214 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1217         not replace cross BB scalar dependences ending on PHI nodes.
1218         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1219
1220 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-poly.c (apply_poly_transforms): Implement the high
1223         level driver for flag_loop_block.
1224         * opts.c (decode_options): Enable flag_loop_block at -O2.
1225         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1226         flag_loop_block.
1227
1228         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1229         -floop-block.
1230         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1231         Add -floop-block.
1232
1233 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * graphite-poly.h (lst_find_pbb): New.
1236         (find_lst_loop): New.
1237
1238 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1241         * graphite-poly.h (struct scop): Remove dep_graph field.
1242         (SCOP_DEP_GRAPH): Removed.
1243
1244 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1245
1246         * graphite-poly.h (copy_lst): Do full copy of LST.
1247
1248 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1249
1250         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1251         when the loop stride is zero.
1252
1253         * gcc.dg/graphite/id-16.c: New.
1254
1255 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1256
1257         * graphite-dependences.c (reduction_dr_1): New.
1258         (reduction_dr_p): New.
1259         (graphite_legal_transform_dr): Call reduction_dr_p.
1260         (reduction_ddr): Renamed reduction_ddr_p.
1261         * graphite-poly.h (same_pdr_p): New.
1262         (number_of_write_pdrs): New.
1263         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1264         (split_reduction_stmt): Do not split reduction statements
1265         when there are no writes to memory.
1266         (translate_scalar_reduction_to_array_for_stmt): Insert the
1267         memory reduction statement just after the scalar reduction statement.
1268
1269         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1270         Un-XFAIL-ed.
1271         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1272         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1273
1274 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-interchange.c (lst_apply_interchange): New.
1277         (lst_interchange_profitable_p): New.
1278         (lst_try_interchange_loops): New.
1279         (lst_try_interchange): New.
1280         (lst_do_interchange): New.
1281         (pbb_do_interchange): Removed.
1282         (scop_do_interchange): Call lst_do_interchange.
1283
1284 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1287         SCOP_TRANSFORMED_SCHEDULE.
1288         (loop_to_lst): New.
1289         (scop_to_lst): New.
1290         (print_lst): New.
1291         (debug_lst): New.
1292         * graphite-poly.h (lst_p): New.
1293         (struct lst): New.
1294         (LST_LOOP_P): New.
1295         (LST_LOOP_FATHER): New.
1296         (LST_PBB): New.
1297         (LST_SEQ): New.
1298         (scop_to_lst): Declared.
1299         (print_lst): Declared.
1300         (debug_lst): Declared.
1301         (new_lst_loop): New.
1302         (new_lst_stmt): New.
1303         (copy_lst): New.
1304         (lst_depth): New.
1305         (lst_dewey_number): New.
1306         (struct scop): Add original_schedule and transformed_schedule fields.
1307         (SCOP_ORIGINAL_SCHEDULE): New.
1308         (SCOP_TRANSFORMED_SCHEDULE): New.
1309         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1310
1311 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1312
1313         * graphite-dependences.c (reduction_ddr): New.
1314         (graphite_legal_transform_bb): Call reduction_ddr.
1315         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1316         Initialize PBB_IS_REDUCTION.
1317         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1318         (PBB_IS_REDUCTION): New.
1319         (new_poly_bb): Update declaration.
1320         * graphite-scop-detection.h (build_scop_bbs): Removed.
1321         (nb_reductions_in_loop): Removed.
1322         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1323         parameter for reductions.
1324         (try_generate_gimple_bb): Update call to new_poly_bb.
1325         (build_scop_bbs_1): Same.
1326         (build_scop_bbs): Same.
1327         (gsi_for_phi_node): New.
1328         (scalar_close_phi_node_p): Remove gcc_assert.
1329         (split_reduction_stmt): New.
1330         (is_reduction_operation_p): New.
1331         (phi_contains_arg): New.
1332         (follow_ssa_with_commutative_ops): New.
1333         (detect_commutative_reduction_arg): New.
1334         (detect_commutative_reduction_assign): New.
1335         (follow_inital_value_to_phi): New.
1336         (edge_initial_value_for_loop_phi): New.
1337         (initial_value_for_loop_phi): New.
1338         (detect_commutative_reduction): New.
1339         (translate_scalar_reduction_to_array_for_stmt): New.
1340         (insert_copyout): New.
1341         (insert_copyin): New.
1342         (translate_scalar_reduction_to_array): New.
1343         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1344         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1345         (rewrite_commutative_reductions_out_of_ssa): New.
1346         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1347         * sese.h (split_region_for_bb): New.
1348
1349         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1350         * gcc.dg/graphite/interchange-1.c: Fix format.
1351         * gcc.dg/graphite/interchange-10.c: New.
1352
1353 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1356         buggy assert.
1357
1358 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1359
1360         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1361         (rewrite_cross_bb_scalar_dependence): New.
1362         (rewrite_cross_bb_scalar_deps): New.
1363         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1364         Call rewrite_cross_bb_scalar_deps.
1365
1366 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1367
1368         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1369         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1370         gsi_for_stmt.
1371
1372 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1375         * graphite-interchange.c (pbb_do_interchange): Same.
1376         * graphite-poly.c (print_scattering_function): Same.
1377         (debug_pdrs): Same.
1378         * graphite-poly.h (pbb_loop): New.
1379         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1380
1381 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1382
1383         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1384
1385 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1386
1387         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1388         so don't pass a pointer to it.
1389         (build_alias_set_for_drs): Same.
1390         (build_base_obj_set_for_drs): Same.
1391         (build_scop_drs): Same.
1392
1393 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1394
1395         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1396         the alias graph of data references.
1397
1398 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1399
1400         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1401         (build_scop_drs): When debugging, write the alias graph to file,
1402         otherwise, should be disabled.
1403
1404 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1405
1406         * Merge from mainline (151310:151361).
1407
1408 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * Merge from mainline (151171:151310).
1411
1412 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * Merge from mainline (151171:151806).
1415
1416 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1417
1418         * Revert the last commit.
1419
1420 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1421
1422         * Merge from mainline (151171:151819).
1423
1424 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1425
1426         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1427         (is_simple_operand): Remove call to stmt_simple_memref_p.
1428         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1429
1430 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1431
1432         * gcc.dg/graphite/interchange-mvt.c: New File.
1433         * gcc.dg/graphite/scop-dsyrk.c: New File.
1434         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1435         * gcc.dg/graphite/scop-mvt.c: New File.
1436         * gcc.dg/graphite/scop-sor.c: New File.
1437
1438 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1439
1440         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1441         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1442         (graphite_carried_dependence_level_k): Ditto.
1443         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1444         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1445         (new_poly_dr): Adjust declaration.
1446         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1447         (free_gimple_bb): Added free_data_refs_aux.
1448         (build_poly_dr): Add dr_base_object_set.
1449         (partition_drs_to_sets): New.
1450         (dr_same_base_object_p): New.
1451         (build_alias_set_for_drs): New.
1452         (build_base_object_set_for_drs): New.
1453         (build_scop_drs): Add build_base_obj_set_for_drs.
1454         * graphite-sese-to-poly.h: Added #define for alias set number index and
1455         base object set index.
1456         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1457         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1458
1459 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1460
1461         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1462         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1463
1464 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * graphite-sese-to-poly.c (struct irp_data): Removed.
1467         (idx_record_params): Removed.
1468         (find_params_in_bb): Scan for parameters the access functions; don't
1469         parse the tree representation.
1470
1471 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1472
1473         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1474         passes at -O1 and below.
1475
1476 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1479         tree-scalar-evolution.h, and then tree-data-ref.h.
1480         * graphite-clast-to-gimple.c: Same.
1481         * graphite-dependences.c: Same.
1482         * graphite-interchange.c: Same.
1483         * graphite-poly.c: Same.
1484         * graphite-scop-detection.c: Same.
1485         * graphite-sese-to-poly.c: Same.
1486         * graphite.c: Same.
1487         * lambda-code.c: Same.
1488         * matrix-reorg.c: Same.
1489         * tree-data-ref.c: Same.
1490         * tree-if-conv.c: Same.
1491         * tree-loop-distribu: Same.: Same.
1492         * tree-loop-linear.c: Same.
1493         * tree-parloops.c: Same.
1494         * tree-predcom.c: Same.
1495         * tree-vect-patterns.c: Same.
1496
1497 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1498
1499         Partially revert the previous patch, except the following.
1500         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1501         as parameters the operands of the not expression.
1502
1503 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1504
1505         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1506         Do not call analyze_scalar_evolution on assignments.
1507         (instantiate_scev_phi): Call analyze_scalar_evolution.
1508         (instantiate_scev_name): Call instantiate_scev_assign and
1509         instantiate_scev_phi.
1510         (instantiate_scev_not): Adapted to pass as parameters the operands
1511         of the not expression.
1512
1513 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1516         to pass as parameters the operands of the binary expression.
1517
1518 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1521         instantiate_scev_not.  Handle NEGATE_EXPR.
1522         (instantiate_scev_r): Handle NEGATE_EXPR.
1523
1524 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1527         instantiate_scev_r.
1528         (instantiate_scev_r): Move code in instantiate_scev_2
1529         and instantiate_scev_1.
1530
1531 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1532
1533         * tree-scalar-evolution.c (instantiate_scev_3): New.
1534         (instantiate_scev_1): Move code in instantiate_scev_3.
1535
1536 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1539         (instantiate_scev_1): Move code in instantiate_scev_poly.
1540
1541 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1544         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1545
1546 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1549         (instantiate_scev_1): Move code in instantiate_scev_convert.
1550
1551 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1552
1553         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1554         (instantiate_scev_1): Move code in instantiate_scev_binary.
1555
1556 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         * tree-scalar-evolution.c (instantiate_scev_name): New.
1559         (instantiate_scev_1): Move code in instantiate_scev_name.
1560
1561 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1562
1563         * Merge from mainline (150992:151171).
1564
1565 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1566
1567         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1568
1569 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1570
1571         * graphite-dependences.c (graphite_legal_transform_bb): Call
1572         pbb_remove_duplicate_pdrs.
1573         * graphite-poly.c (can_collapse_pdr): Removed.
1574         (pdr_find_duplicate): Removed.
1575         (can_collapse_pdrs): New.
1576         (pbb_remove_duplicate_pdrs): New.
1577         (new_poly_dr): Do not look for duplicates.
1578         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1579         (PBB_PDR_DUPLICATES_REMOVED): New.
1580         (pbb_remove_duplicate_pdrs): Declared.
1581
1582 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1585         the strides by multiplying by PDR_NB_REFS.
1586         * graphite-poly.c (can_collapse_pdr): New.
1587         (pdr_find_duplicate): New.
1588         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1589         Initialize PDR_NB_REFS.
1590         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1591         (PDR_NB_REFS): New.
1592         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1593
1594 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         Revert one of the previous commits:
1597         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1598         the computation of symmetric data dependence relations.
1599         (dependency_between_pbbs_p): Same.
1600
1601 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1602
1603         PR middle-end/40965
1604         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1605         any transform.
1606
1607 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1608
1609         * graphite-dependences.c (pddr_original_scattering): Return NULL
1610         for read-read dependence relations.
1611         * graphite-poly.h (enum poly_dr_type): Fix comment.
1612         (pdr_read_p): New.
1613         (pdr_write_p): New.
1614         (pdr_may_write_p): New.
1615
1616 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1617
1618         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1619         (struct poly_dr): Same.
1620         (new_poly_dr): Same.
1621         * graphite-poly.c (new_poly_dr): Same.
1622
1623 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1624             Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1627         pbb_strip_mine_time_depth.  Changed the implementation so that
1628         transformation is expressed as a transformation on
1629         time (scatttering) dimensions.  Also, ensures that the 2d+1
1630         scheduling format is preserved.
1631         (pbb_strip_mine_profitable_p): Profitability is based on the
1632         iteration number of a given time (scattering) dimension,
1633         and not on a original loop depth dimension.
1634         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1635         (pbb_do_strip_mine): Call psct_dynamic_dim.
1636         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1637         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1638         (pbb_nb_dynamic_scattering_transform): New.
1639         (psct_dynamic_dim): New.
1640
1641 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1642
1643         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1644         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1645         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1646         * graphite-interchange.c (build_linearized_memory_access): Same.
1647         (memory_stride_in_loop): Same.
1648
1649 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * graphite-dependences.c (pddr_original_scattering): New.
1652         (graphite_legal_transform_dr): Call pddr_original_scattering.
1653         (dot_deps_1): New.
1654         (dot_deps): New.
1655         * graphite-dependences.h (dot_deps): Declared.
1656         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1657         (print_pdr): Print PDR_ID.
1658         * graphite-poly.h (struct poly_dr): Add field id.
1659         (PDR_ID): New.
1660         (pbb_index): New.
1661         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1662
1663 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1666         not delete the original dependence relation.
1667
1668 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1671         the computation of symmetric data dependence relations.
1672         (dependency_between_pbbs_p): Same.
1673
1674 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1677         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1678         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1679         (free_poly_ddr): New.
1680         (pddr_is_empty): New.
1681         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1682         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1683         Remove fprintfs.
1684         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1685         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1686         * graphite-dependences.h (enum poly_dependence_kind): New.
1687         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1688         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1689         (PDRP_SINK): Renamed PDDR_SINK.
1690         (PDRP_DDP): Renamed PDDR_DDP.
1691         (PDDR_KIND): New.
1692         (free_poly_ddr): Declared.
1693         * graphite-poly.c (new_scop): Use the new hash function names.
1694         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1695         into original_pddrs.
1696         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1697
1698 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1699
1700         * Merge from mainline (150764:150992).
1701
1702 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1703
1704         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1705         bounds with LT_EXPR to make niter analysis more precise on code
1706         generated by Graphite.
1707
1708 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1709
1710         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1711         (graphite_legal_transform_bb): Same.
1712         (poly_drs_may_alias_p): Same.
1713
1714 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1715
1716         PR middle-end/40981
1717         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1718         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1719
1720 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * graphite-poly.c (print_pbb): Print PBB index.
1723
1724 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1725
1726         * Merge from mainline (r150672:150764).
1727
1728 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * graphite-interchange.c (ppl_max_for_le): Moved...
1731         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1732         * graphite-ppl.c (ppl_max_for_le): ... here.
1733         * graphite-ppl.h (ppl_max_for_le): Declared.
1734
1735 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1736
1737         * Merge from mainline (r150372:150672).
1738
1739 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1740
1741         PR middle-end/40980
1742         * sese.c (convert_for_phi_arg): New.
1743         (add_guard_exit_phis): Use convert_for_phi_arg.
1744
1745         * gfortran.dg/graphite/id-17.f: New.
1746
1747 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1750         unknown subscript upper bounds.
1751
1752         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1753
1754 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1755             Pranav Garg  <pranav.garg2107@gmail.com>
1756
1757         * graphite-interchange.c (gather_access_strides): Removed.
1758         (ppl_max_for_le): New.
1759         (build_linearized_memory_access): New.
1760         (memory_stride_in_loop): New.
1761         (pbb_interchange_profitable_p): Reimplemented.
1762         * graphite-ppl.h (ppl_new_id_map): New.
1763         (ppl_interchange): New.
1764
1765         * gcc.dg/graphite/interchange-6.c: XFAILed.
1766
1767 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         * graphite-interchange.c (compute_subscript): Removed.
1770         (compute_array_size_cstr): Removed.
1771         (compute_array_size_poly): Removed.
1772         (compute_array_size): Removed.
1773         (gather_access_strides_poly): Removed.
1774         (gather_access_strides): Empty.
1775
1776 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * graphite-dependences.c (dependence_polyhedron_1): Replace
1779         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1780         (graphite_legal_transform_dr): Same.
1781         (graphite_carried_dependence_level_k): Same.
1782         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1783         Initialize PDR_NB_SUBSCRIPTS.
1784         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1785         PDR_NB_SUBSCRIPTS.
1786         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1787         (PDR_NB_SUBSCRIPTS): New.
1788         (pdr_nb_subscripts): Removed.
1789         (pdr_dim): Simplified.
1790         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1791         with PDR_NB_SUBSCRIPTS.
1792
1793 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1794
1795         * graphite-interchange.c (compute_array_size): Remove use of
1796         PDR_DATA_CONTAINER.
1797         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1798         Do not initialize PDR_DATA_CONTAINER.
1799         (print_pdr): Do not print PDR_DATA_CONTAINER.
1800         * graphite-poly.h (struct poly_dr): Remove data_container field.
1801         (PDR_DATA_CONTAINER): Removed.
1802         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1803         PDR_DATA_CONTAINER.
1804         (build_poly_dr): Same.
1805
1806 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * gcc.dg/graphite/interchange-9.c: New.
1809
1810 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1811             Sebastian Pop  <sebastian.pop@amd.com>
1812
1813         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1814         copy of the dependence polyhedron.  Free the temporary objects.
1815         (graphite_carried_dependence_level_k): Free unused objects before
1816         returning.
1817
1818         * gcc.dg/graphite/interchange-1.c: XFAILed.
1819         * gcc.dg/graphite/interchange-2.c: XFAILed.
1820         * gcc.dg/graphite/interchange-3.c: XFAILed.
1821         * gcc.dg/graphite/interchange-4.c: XFAILed.
1822         * gcc.dg/graphite/interchange-7.c: XFAILed.
1823
1824 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1827         Early return without analyzing the data dependences if no
1828         transform has been done.  Call restore_scattering if the transform
1829         is not legal.
1830         (graphite-interchange.c): Same.
1831         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1832         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1833         (apply_poly_transforms): Do not gcc_assert that
1834         the transform is legal.
1835         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1836         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1837         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1838         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1839         * graphite-poly.h (struct poly_scattering): New.
1840         (struct poly_bb): Add original, transformed, and saved fields.
1841         Remove transformed_scattering, original_scattering, nb_local_variables,
1842         and nb_scattering_transform fields.
1843         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1844         (poly_scattering_new): New.
1845         (poly_scattering_free): New.
1846         (poly_scattering_copy): New.
1847         (store_scattering_pbb): New.
1848         (store_scattering): New.
1849         (restore_scattering_pbb): New.
1850         (restore_scattering): New.
1851         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1852         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1853
1854 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1857         (print_scop): Same.
1858
1859 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         * Makefile.in (graphite.o): Depends on PREDICT_H.
1862         * graphite.c: Include predict.h.
1863         (graphite_finalize): Call tree_estimate_probability.
1864         * predict.c (predict_loops): Do not call scev_initialize and
1865         scev_finalize.
1866         (tree_estimate_probability_bb): New.
1867         (tree_estimate_probability): Do not initialize loops: move that
1868         code to the driver.  Call tree_estimate_probability_bb.
1869         (tree_estimate_probability_driver): New.
1870         (pass_profile): Use tree_estimate_probability_driver.
1871         * predict.h (tree_estimate_probability): Declared.
1872
1873 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1874
1875         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1876         * graphite-dependences.c (graphite_legal_transform): Add time to
1877         TV_GRAPHITE_DATA_DEPS.
1878         (dependency_between_pbbs_p): Same.
1879         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1880
1881 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * Merge from mainline (r149952:150372).
1884
1885 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1888         * graphite-blocking.c: Same.
1889         * graphite-clast-to-gimple.c: Same.
1890         * graphite-dependences.c: Same.
1891         * graphite-poly.c: Same.
1892         * graphite-poly.h: Same.
1893         * graphite-ppl.c: Same.
1894         * graphite-scop-detection.c: Same.
1895         * graphite-sese-to-poly.c: Same.
1896         * graphite.c: Same.
1897
1898 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1899
1900         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1901         (remove_simple_copy_phi): New.
1902         (remove_invariant_phi): New.
1903         (simple_copy_phi_p): New.
1904         (reduction_phi_p): New.
1905         (gsi_for_ssa_name_def): New.
1906         (insert_out_of_ssa_copy): New.
1907         (insert_out_of_ssa_copy_on_edge): New.
1908         (create_zero_dim_array): New.
1909         (scalar_close_phi_node_p): New.
1910         (rewrite_close_phi_out_of_ssa): New.
1911         (rewrite_phi_out_of_ssa): New.
1912         (rewrite_reductions_out_of_ssa): New.
1913         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1914
1915         * gcc.dg/graphite/id-11.c: New.
1916         * gcc.dg/graphite/id-15.c: New.
1917         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1918         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1919         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1920         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1921         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1922         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1923         * gfortran.dg/graphite/id-13.f: New.
1924         * gfortran.dg/graphite/id-5.f: New.
1925
1926 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1929         check that nb_reductions_in_loop is zero.
1930         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1931         reduction phi nodes.
1932         (nb_reductions_in_loop): Removed.
1933         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1934         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1935         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1936         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1937         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1938
1939 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1942         statements that have an empty iteration domain.
1943         * gfortran.dg/graphite/id-16.f: New.
1944
1945 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         * tree-scalar-evolution.c (instantiate_scev_1): Return
1948         chrec_dont_know when the result is not above instantiate_below.
1949         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1950         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1951         the tree has a known scalar evolution.
1952         * gfortran.dg/graphite/id-14.f: New.
1953         * gfortran.dg/graphite/id-15.f: New.
1954
1955 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1956
1957         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1958         insert_gsi.
1959         (rename_variables): Keep inserting renames after the ones already
1960         inserted.
1961
1962 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1963
1964         * graphite-sese-to-poly.c (compare_bb_depths): New.
1965         (graphite_sort_dominated_info): New.
1966         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1967         (build_scop_scattering): Fix comment.
1968
1969 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1970
1971         * graphite.c (graphite_finalize): Call print_loops instead of
1972         dump_function_to_file.
1973         * gcc.dg/graphite/graphite.exp: Fix formatting.
1974         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1975         loops generated in the graphite output file.
1976         * gcc.dg/graphite/pr35356-2.c: New.
1977         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1978         * gfortran.dg/graphite/id-12.f: New.
1979
1980 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1981
1982         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1983         Remove 2 XFAIL.
1984
1985 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1986             Tobias Grosser  <grosser@fim.uni-passau.de>
1987
1988         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1989         alias set number build alias in ACCESSES polyhedron.
1990         (build_alias_set_for_drs): New.
1991         (build_pbb_drs): Added build_alias_set_for_drs.
1992         * graphite-dependences.c (poly_drs_may_alias_p): New.
1993         (graphite_carried_dependence_level_k): Check alias information
1994         before building polyhedron.
1995
1996 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1997
1998         * Makefile.in (lambda-code.o): Fix formatting.
1999
2000 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2001
2002         * Merge from mainline (r149350-149952)
2003
2004 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2005
2006         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2007         before interchange to prepare for loop blocking.
2008
2009 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2010
2011         * graphite-poly.c (apply_poly_transforms): Add checks after every
2012         transformation.
2013         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2014         done in apply_poly_transforms.
2015
2016 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2017
2018         * graphite-dependences.c (build_lexicographically_gt_constraint):
2019         Replace RES parameter with *RES.
2020         (dependence_polyhedron_1): Pass an address of the parameter RES
2021         instead of value of RES.
2022
2023 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * graphite.c (graphite_finalize): Fix comment.
2026         (graphite_transform_loops): Reset scev info after code generation
2027         of each scop.
2028
2029 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2030
2031         * graphite.c (graphite_finalize): Call scev_reset.
2032
2033 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2036         GBB_CLOOG_IV_TYPES hash table twice.
2037         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2038         (add_condition_to_domain): Clear GMP values.
2039
2040 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2041
2042         * graphite-dependences.c: Fix formatting.
2043         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2044         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2045         * graphite-sese-to-poly.c: Fix formatting.
2046         * graphite.c (graphite_transform_loops): Create the hash table
2047         after the early return.
2048
2049 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * gcc.dg/graphite/id-14.c: New.
2052         * gcc.dg/graphite/pr40157.c: New.
2053         * gfortran.dg/graphite/id-11.f: New.
2054
2055 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2056
2057         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2058         (build_poly_scop): Return false when there are no pbbs within
2059         loops to avoid to pass to cloog scops with no loops.
2060
2061 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2064         useless test "i % 2".
2065         (build_pbb_scattering_polyhedrons): Fix formatting.
2066         (build_poly_dr): Same.
2067         * graphite.c (graphite_transform_loops): Restructure.
2068
2069 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2070
2071         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2072         reduction_list parameter.
2073         (rewrite_all_phi_nodes_with_iv): Same.
2074         (canonicalize_loop_ivs): Same.
2075         * tree-parloops.c (struct brli): Removed.
2076         (build_reduction_list_info): Removed.
2077         (build_new_reduction): New.
2078         (analyze_reduction_list): Removed.
2079         (gather_scalar_reductions): Find reductions instead of phi
2080         nodes that can't be canonicalized.
2081         (try_create_reduction_list): Remove reduction_list parameter.
2082         (gen_parallel_loop): Same.
2083         (parallelize_loops): Remove analyze_reductions variable,
2084         initialization and free.
2085         Change reduction_list htab initialization to reduction_info
2086         elements instead of ssa names.
2087         Call try_create_reduction_list and gen_parallel_loop without
2088         analyzed_reduction argument.
2089         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2090         canonicalize_loop_ivs with one less argument.
2091         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2092
2093 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2094
2095         * graphite-dependences.c (new_poly_dr_pair): New.
2096         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2097         (new_poly_dr_pair): New.
2098         (eq_poly_dr_pair_p): New.
2099         (hash_poly_dr_pair_p): New.
2100         * graphite-dependences.h (struct poly_dr_pair): New.
2101         (eq_poly_dr_pair_p): Declared.
2102         (hash_poly_dr_pair_p): Declared.
2103         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2104         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2105         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2106         * Makefile.in (graphite-poly.o): Add dependence on
2107         graphite-dependences.h.
2108
2109 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2112         polynomials of degree > 1 pass to Graphite.
2113         * tree-chrec.c (scev_is_linear_expression): Call
2114         evolution_function_is_affine_multivariate_p.
2115         * gfortran.dg/graphite/id-10.f90: New.
2116
2117 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2120         Instantiate scevs varying in outer loops.
2121         * gfortran.dg/graphite/id-9.f: Correct testcase.
2122
2123 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2124
2125         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2126         redundant constraint.
2127
2128 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * gcc.dg/graphite/graphite.exp: Fix comments.
2131         * gfortran.dg/graphite/graphite.exp: Trigger actions
2132         based on the file names as in the C testsuite.
2133         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2134         * gfortran.dg/graphite/block-2.f: Same.
2135         * gfortran.dg/graphite/block-3.f90: Same.
2136         * gfortran.dg/graphite/block-4.f90: Same.
2137         * gfortran.dg/graphite/id-1.f90: Same.
2138         * gfortran.dg/graphite/id-2.f90: Same.
2139         * gfortran.dg/graphite/id-3.f90: Same.
2140         * gfortran.dg/graphite/id-4.f90: Same.
2141         * gfortran.dg/graphite/id-6.f: Same.
2142         * gfortran.dg/graphite/id-9.f: Same.
2143         * gfortran.dg/graphite/interchange-1.f: Same.
2144         * gfortran.dg/graphite/interchange-2.f: Same.
2145         * gfortran.dg/graphite/scop-1.f: Same.
2146
2147 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * sese.c (expand_scalar_variables_call): New.
2150         (expand_scalar_variables_ssa_name): Handle calls in expander.
2151
2152 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2155         Expect to see the pattern twice.
2156         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2157         * gcc.dg/graphite/interchange-5.c: Same.
2158         * gcc.dg/graphite/interchange-6.c: Same.
2159
2160 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2161
2162         * gcc.dg/graphite/id-10.c: New.
2163         * gcc.dg/graphite/id-12.c: New.
2164         * gfortran.dg/graphite/id-7.f: New.
2165         * gfortran.dg/graphite/id-8.f: New.
2166
2167 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2168
2169         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2170         zero.
2171
2172 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2175
2176 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2179
2180 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2181
2182         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2183         building PDR subscripts.
2184
2185 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2186
2187         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2188         computation of array sizes.
2189
2190 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2193
2194 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2195
2196         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2197         build_pairwise_constraint, dr_equality_constraints,
2198         build_pairwise_scheduling_equality,
2199         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2200         build_lexicographically_gt_constraint, dependence_polyhedron,
2201         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2202         Move from NNC_Polyhedron to C_Polyhedron.
2203         * graphite-interchange.c (compute_array_size_poly,
2204         gather_access_strides): Dito.
2205         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2206         free_scop, pbb_number_of_iterations): Dito.
2207         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2208         pbb_dim_iter_domain, struct scop): Dito.
2209         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2210         new_Cloog_Domain_from_ppl_Polyhedron,
2211         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2212         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2213         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2214         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2215         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2216         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2217         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2218         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2219         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2220         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2221         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2222         build_scop_iteration_domain, build_poly_dr): Dito
2223
2224 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2225
2226         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2227         run-id-*.c files.
2228         * gcc.dg/graphite/run-id-1.c: New.
2229
2230 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2233         positivity constraint on the symbolic number of iterations.
2234
2235 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2238
2239 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2240             Tobias Grosser  <grosser@fim.uni-passau.de>
2241
2242         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2243         (build_cloog_prog): Directly use SCOP_CONTEXT.
2244         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2245         (free_scop): Free SCOP_CONTEXT.
2246         (print_scop_context): New.
2247         (print_scop): Call print_scop_context.
2248         (debug_scop_context): New.
2249         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2250         (struct scop): Added field context.
2251         (SCOP_CONTEXT): New.
2252         * graphite-sese-to-poly.c (add_param_constraints): New.
2253         (build_scop_context): New.
2254         (build_poly_scop): Call build_scop_context.
2255
2256 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2257
2258         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2259         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2260         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2261         * graphite-ppl.h: Include double-int.h and tree.h.
2262         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2263         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2264         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2265         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2266
2267 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2270         POINTER_PLUS_EXPR for pointer types.
2271         (clast_to_gcc_expression): Same.
2272
2273 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2274
2275         * graphite-poly.c (print_scattering_function): Early return when
2276         PBB_TRANSFORMED_SCATTERING is not initialized.
2277         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2278
2279 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2282         to fix bootstrap.
2283
2284 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2285
2286         * tree-parloops.c (analyze_reduction_list): Change return
2287         value to void.
2288         (try_create_reduction_list): Move the call to
2289         analyze_reduction_list to the beginining.
2290         Call reduction_phi with analyzed_reductions as argument
2291         instead of reduction_list.
2292
2293 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2294
2295         *  Merge from mainline (r148296:149346)
2296
2297 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2298
2299         * graphite-scop-detection.c (graphite_can_represent_init): New.
2300         (graphite_can_represent_scev): Call graphite_can_represent_init:
2301         check that the initial value does not contain multiplications of
2302         parameters.
2303         (stmt_has_simple_data_refs_p): New.
2304         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2305         (is_simple_operand): Fix formatting.
2306         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2307
2308 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * gcc.dg/graphite/id-13.c: New.
2311         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2312         analyze_scalar_evolution, use scalar_evolution_in_region.
2313         (scan_tree_for_params_right_scev): Add extra assert.
2314         (parameter_index_in_region_1): Split from parameter_index_in_region.
2315         (idx_record_params): Use scalar_evolution_in_region.
2316         (find_params_in_bb): Same.
2317         (find_scop_parameters): Same.
2318         (build_loop_iteration_domains): Same.
2319         (create_linear_expr_from_tree): Same.
2320         * sese.c (scalar_evolution_in_region): New.
2321         * sese.h (scalar_evolution_in_region): Declared.
2322         (defined_in_sese_p): New.
2323         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2324         static anymore.
2325         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2326         Declared.
2327
2328 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2329
2330         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2331         TREE_DATA_REF_H also implies SCEV_H.
2332
2333 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2334
2335         * graphite-poly.c (print_scop_params): New.
2336         (print_scop): Call print_scop_params.
2337         (debug_scop_params): New.
2338         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2339
2340 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2341
2342         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2343         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2344         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2345         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2346         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2347         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2348
2349 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2350
2351         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2352         for dependency checking part.
2353         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2354         tests for dependency checking.
2355         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2356         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2357         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2358         flag -fdump-tree-graphite-all for autopar testsuites.
2359
2360 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2361
2362         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2363         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2364         canonicalize_loop_ivs): Moved...
2365         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2366
2367 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2368
2369         * tree-parloops.c (try_create_reduction_list): Pass an extra
2370         argument analyzed_reductions.  Call analyze_reduction_list.
2371         (gen_parallel_loop): Do not call analyze_reduction_list.
2372         (parallelize_loops): Init and finalize analyzed_reductions.
2373
2374 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2375
2376         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2377         Added flag -fno-loop-strip-mine for autopar testcase.
2378
2379 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2380
2381         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2382         transformed scattering dimension instead of unmatch orignal when
2383         calling dependence_polyhedron.
2384
2385 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2386
2387         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2388
2389 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2390
2391         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2392         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2393
2394 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2397         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2398         * graphite-poly.c (pbb_number_of_iterations): New.
2399         * graphite-poly.h (pbb_number_of_iterations): Declared.
2400         (pbb_iterator_dim, pbb_parameter_dim): New.
2401
2402 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2405         last commit on type of lower and upper bound of loops.
2406
2407 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2408
2409         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2410         graphite-dependences.h.
2411         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2412         (mark_bb_with_pbb): New.
2413         (get_stmtfor_depth): New.
2414         (find_pbb_via_hash): New.
2415         (dependency_in_loop_p): New.
2416         (mark_loops_parallel): New.
2417         (free_aux_in_new_loops): New.
2418         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2419         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2420         innermost loop parallel without checking.
2421         (gloog): Add parameter BB_PBB_MAPPING.
2422         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2423         (gloog): Change declaration.
2424         (mark_loop_parallel): Make extern.
2425         (free_aux_in_new_loops): Declare.
2426         (bb_pbb_map_hash): New.
2427         (eq_bb_pbb_map): New.
2428         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2429         auto parallelization when flag_graphite_force_parallel is set.
2430         (graphite_finalize): Added free_aux_in_new_loops.
2431         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2432         the innermost loop that marked parallel.  Use
2433         flag_graphite_force_parallel instead of loop->can_be_parallel.
2434         (loop_parallel_p): Move inner most checking out of function.
2435
2436 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2439         type of lower and upper bound of loops signed long int.
2440
2441 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2444         expression outside the loop.
2445
2446 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         * gcc.dg/graphite/interchange-8.c: New.
2449
2450 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2451
2452         * gcc.dg/graphite/interchange-0.c: XFailed.
2453         * gcc.dg/graphite/interchange-5.c: XFailed.
2454         * gcc.dg/graphite/interchange-6.c: XFailed.
2455
2456 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458         * graphite-interchange.c (compute_array_size_poly): The end of the
2459         recursion should return 1.
2460
2461 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2462
2463         * graphite-interchange.c (compute_array_size_cstr): Allow the
2464         subscript multiplier to be -1.
2465         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2466         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2467         data_container.  Initializes PDR_DATA_CONTAINER.
2468         (print_pdr_access_layout): New.
2469         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2470         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2471         data_container.
2472         (PDR_DATA_CONTAINER): New.
2473         (new_poly_dr): Update declaration.
2474         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2475         (build_poly_dr): Call pdr_add_data_dimensions.
2476
2477 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2478
2479         * graphite-poly.h (struct poly_dr): Fix comment.
2480         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2481         (pdr_add_memory_accesses): New.
2482         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2483
2484 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2485
2486         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2487         (print_pbb): Add call to print_pdrs.
2488         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2489
2490 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2491             Li Feng <nemokingdom@gmail.com>
2492
2493         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2494         (dependency_between_pbbs_p): New.
2495         (lexicographically_gt_p): Assure !empty_p before polyhedron
2496         intersection assign.
2497         (build_lexicographically_gt_constraint): Correct lexicographically
2498         judging.
2499         * graphite-dependences.h: New.
2500         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2501
2502 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2503
2504         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2505         (gloog): Print to dump_file the generated clast.
2506         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2507         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2508
2509 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2510
2511         * graphite-poly.c (extend_scattering): Increment
2512         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2513
2514 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2515
2516         * graphite-interchange.c (compute_array_size_poly): Added exit of
2517         recursion condition.  Continue iterating even after the first equality.
2518         (compute_array_size): Same.
2519
2520 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2521
2522         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2523         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2524         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2525         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2526         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2527
2528 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2529
2530         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2531         only when the use verifies is_gimple_reg.
2532
2533 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2534
2535         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2536         Allocate scaldims after call to unify_scattering_dimensions.
2537
2538 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2541
2542 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2543             Albert Cohen  <albert.cohen@inria.fr>
2544
2545         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2546         variables for the strip mining.
2547
2548 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2549             Pranav Garg  <pranav.garg2107@gmail.com>
2550
2551         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2552         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2553         (graphite-blocking.o): New rule.
2554         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2555         * graphite-blocking.c: New.
2556         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2557         flag_loop_strip_mine.
2558         (psct_scattering_dim_for_loop_depth): New.
2559         * graphite-poly.h (scop_do_strip_mine): Declared.
2560         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2561         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2562         flag_loop_strip_mine.
2563
2564 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2565
2566         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2567         a GMP value and a PPL coefficient at each iteration of a loop.
2568
2569 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * graphite-dependences.c (dependence_polyhedron): Do not use
2572         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2573         pbb_nb_scattering_transform.
2574         (graphite_legal_transform_dr): Same.
2575         * graphite-poly.c (extend_scattering): Same.
2576         (unify_scattering_dimensions): Same.
2577         (print_scattering_function): Same.
2578         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2579         PBB_NB_LOCAL_VARIABLES.
2580         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2581         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2582         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2583         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2584         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2585         (pbb_nb_scattering_transform): New.
2586         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2587         (psco_scattering_dim): Add assert on parameters.
2588         (psct_scattering_dim): Same.
2589         (psct_scattering_dim_for_loop_depth): Declared.
2590         (psct_local_var_dim): New.
2591         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2592         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2593         correct layout, call pbb_nb_local_vars.
2594         (psct_add_local_variable, psct_add_scattering_dimension): New.
2595         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2596         Initialize PBB_NB_SCATTERING_TRANSFORM.
2597
2598 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2601         (set_coef): Renamed ppl_set_coef.
2602         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2603
2604 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2605
2606         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2607         test a boolean against 1.
2608         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2609         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2610         (pbb_do_interchange): Returns true when a transform has been performed.
2611         (scop_do_interchange): Same.
2612         * graphite-poly.c (apply_poly_transforms): Use the return value of
2613         scop_do_interchange.
2614         * graphite-poly.h (scop_do_interchange): Update declaration.
2615
2616 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2617
2618         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2619         after last use.
2620         * sese.c (sese_reset_aux_in_loops): New.
2621         * sese.h (sese_reset_aux_in_loops): New.
2622
2623 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2624
2625         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2626         multiplier and multiply the constant by the multiplier.
2627         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2628         (build_poly_dr): Do not use the multiplier to define the subscript.
2629
2630 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2631
2632         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2633         compiler's data reference.  Initialize PDR_CDR.
2634         (print_pdr): Call dump_data_reference.
2635         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2636         Add compiler_dr field.
2637         (PDR_BB): Renamed PDR_PBB.
2638         (PDR_CDR): New.
2639         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2640         GCC's data reference representation.
2641         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2642         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2643
2644 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2645
2646         * graphite-poly.c (print_scattering_function): Also print the layout.
2647         * graphite-poly.h (pbb_nb_local_vars): New.
2648
2649 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2652
2653 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2654
2655         * graphite-poly.c (print_pdr, debug_pdr): New.
2656         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2657         (PDR_BASE): Removed.
2658
2659 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2660
2661         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2662         ltrans-{1..6,8}.c.
2663
2664 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2665
2666         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2667         subscript identification column.
2668         (pbb_do_interchange): Print to dump_file that some loops "will be
2669         interchanged".  Rely on that chain of characters in the testcases.
2670         * gcc.dg/graphite/interchange-0.c: New.
2671         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2672         interchange-*.c files and compile them with -floop-interchange.
2673
2674 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2675
2676         * graphite-interchange.c (interchange_profitable_p): Renamed
2677         pbb_interchange_profitable_p.
2678
2679 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2680             Harsha Jagasia  <harsha.jagasia@amd.com>
2681             Pranav Garg  <pranav.garg2107@gmail.com>
2682
2683         * graphite-interchange.c (interchange_profitable_p): Make static.
2684         (pbb_interchange_loop_depths, pbb_do_interchange,
2685         scop_do_interchange): New.
2686         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2687         for flag_loop_interchange.
2688         * graphite-poly.h (scop_do_interchange): Declared.
2689         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2690         flag_loop_interchange is used.
2691
2692 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-dependences.c (dependence_polyhedron): Update use of
2695         pbb_nb_scattering_dims.
2696         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2697         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2698         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2699         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2700
2701 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite.c: Cleanup foo.
2704
2705 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2706
2707         * Merge from mainline (r143684:148293).
2708         * Disabled libpcp until it gets fixed.
2709
2710 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2711             Harsha Jagasia  <harsha.jagasia@amd.com>
2712
2713         * graphite-interchange.c: New.
2714         * Makefile.in (graphite-interchange.o): New.
2715         * graphite-poly.h (interchange_profitable_p): Declared.
2716         * graphite-ppl.h (value_max): New.
2717
2718 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2719
2720         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2721         * graphite-poly.h: Fix some comments.
2722         (pdr_dim): New.
2723         (pdr_scop): New.
2724
2725 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         * graphite-poly.h
2728         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2729         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2730         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2731         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2732         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2733         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2734         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2735         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2736         * graphite-clast-to-gimple.c: Same.
2737         * graphite-dependences.c: Same.
2738         * graphite-poly.c: Same.
2739         * graphite-sese-to-poly.c: Same.
2740
2741 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2744         expressions for an IV rename, as returned by clast_to_gcc_expression.
2745         (copy_renames): Rename new_name to expr.
2746         * sese.c (debug_rename_elt): Same.
2747         (get_rename): Same.
2748         (set_rename): Same.
2749         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2750         the information from the rename map.
2751         (rename_variables_in_stmt): Same.
2752         (add_loop_exit_phis): Rename new_name to expr.
2753         (insert_loop_close_phis): Same.
2754         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2755         * sese.h (struct rename_map_elt): Rename new_name to expr.
2756         (new_rename_map_elt): Same.
2757
2758 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2761         * sese.c (set_rename): Make it extern.
2762         * sese.h (set_rename): Declared.
2763
2764 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * graphite-poly.c (extend_scattering): Free values.
2767         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2768         Free iterators.
2769         (ppl_print_powerset_matrix): Same.
2770         * graphite-scop-detection.c (free_scops_1): New.
2771         (limit_scops): Call free_scops_1.
2772         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2773         (build_poly_dr): Free PPL coefficients.
2774         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2775
2776 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * graphite-dependences.c: New.
2779         * graphite-data-ref.c: Removed.
2780         * graphite-data-ref.h: Removed.
2781         * Makefile.in (graphite-data-ref.o): Removed.
2782         (graphite-dependences.o): Added.
2783         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2784         * graphite-poly.c: Same.
2785         Move the data dependence testing to graphite-dependences.c.
2786
2787 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2788
2789         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2790         from graphite_cannot_represent_loop. Code refactored.
2791         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2792
2793 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2794
2795         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2796         Cover all the testcases (not only the filtered ones).
2797
2798 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2799
2800         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2801         unnecessary check. Update comments. Move check for REAL_TYPE here.
2802         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2803         done in (stmt_simple_for_scop_p).
2804
2805 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2806
2807         * graphite.c (print_global_statistics): New.
2808         (print_graphite_scop_statistic): New.
2809         (print_graphite_statistics): New.
2810         (graphite_initialize, graphite_transform_loops): Print statistics.
2811         * graphite-scop-detection (build_scops): Print statistics.
2812         (print_graphite_scop_statistics): New.
2813         (print_graphite_statistics): New.
2814
2815 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2818         (debug_clast_name_index): Removed.
2819         (debug_clast_name_indexes_1): Removed.
2820         (debug_clast_name_indexes): Removed.
2821         (clast_name_index_elt_info): Removed.
2822         (eq_clast_name_indexes): Removed.
2823         (clast_name_to_index): Removed.
2824         (new_clast_name_index): Removed.
2825         (save_clast_name_index): Removed.
2826         (save_var_name): Moved...
2827         (init_sese_params_index): Removed.
2828         (clast_name_to_gcc): Remove use of name_tree.
2829         (initialize_cloog_names): Same.
2830         (gloog): Do not call init_sese_params_index.
2831         * graphite-sese-to-poly.c (save_var_name): ...here.
2832         (parameter_index_in_region): New.
2833         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2834         (parameter_index_in_region): Removed.
2835         (is_parameter): Remove use of name_tree.
2836         * sese.h (struct name_tree): Removed.
2837         (struct sese): Remove use of name_tree.  New field params_names.
2838         (SESE_PARAMS_NAMES): New.
2839         (SESE_PARAMS): Remove duplicate.
2840         (parameter_index_in_region): Removed.
2841         (sese_nb_params): Remove use of name_tree.
2842         (struct clast_name_index): New.
2843         (new_clast_name_index): New.
2844         (clast_name_to_index): New.
2845         (save_clast_name_index): New.
2846         (debug_clast_name_index): New.
2847         (debug_clast_name_indexes_1): New.
2848         (debug_clast_name_indexes): New.
2849         (clast_name_index_elt_info): New.
2850         (eq_clast_name_indexes): New.
2851
2852 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2853
2854         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2855         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2856         (graphite_loop_normal_form): Do not pass region.  Do not
2857         initialize SESE_OLDIVS.
2858         (build_graphite_loop_normal_form): Update call to
2859         graphite_loop_normal_form.
2860         * sese.c (debug_oldivs): Removed.
2861         (new_sese): Do not initialize SESE_OLDIVS.
2862         (free_sese): Do not free SESE_OLDIVS.
2863         (oldiv_for_loop): Removed.
2864         * sese.h (struct sese): Remove old_ivs.
2865         (SESE_OLDIVS): Removed.
2866         (oldiv_for_loop): Removed.
2867
2868 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2869
2870         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2871         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2872         replaced by a call to newivs_to_depth_to_newiv.
2873         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2874         (clast_to_gcc_expression_red): Same.
2875         (gcc_type_for_clast_expr): Same.
2876         (gcc_type_for_clast_eq): Same.
2877         (graphite_translate_clast_equation): Same.
2878         (graphite_create_guard_cond_expr): Same.
2879         (graphite_create_new_guard): Same.
2880         (graphite_create_new_loop): Same.
2881         (build_iv_mapping): Same.
2882         (translate_clast): Same.
2883         (gloog): Same.
2884         (loop_iv_stack_patch_for_consts): Removed.  *
2885         sese.c (iv_stack_entry_is_constant): Removed.
2886         (iv_stack_entry_is_iv): Removed.
2887         (loop_iv_stack_push_iv): Removed.
2888         (loop_iv_stack_insert_constant): Removed.
2889         (loop_iv_stack_pop): Removed.
2890         (loop_iv_stack_get_iv): Removed.
2891         (loop_iv_stack_get_iv_from_name): Removed.
2892         (debug_loop_iv_stack): Removed.
2893         (free_loop_iv_stack): Removed.
2894         (loop_iv_stack_remove_constants): Removed.  *
2895         sese.h (iv_stack_entry_kind): Removed.
2896         (iv_stack_entry_data_union): Removed.
2897         (iv_stack_entry_struct): Removed.
2898         (iv_stack_entry_p): Removed.
2899         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2900         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2901         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2902         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2903         (gbb_loop_at_index): Fix indenting.
2904         (gbb_loop_index): Removed.
2905
2906 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2907
2908         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2909         Call clast_name_to_index.
2910
2911 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2912
2913         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2914         do not pass params.  Get params from SESE_PARAMS.
2915         (clast_to_gcc_expression): Same.
2916         (clast_to_gcc_expression_red): Same.
2917         (gcc_type_for_clast_eq): Same.
2918         (graphite_translate_clast_equation): Same.
2919         (graphite_create_new_loop): Same.
2920         * sese.c (rename_variables_in_stmt): Fix comment.
2921
2922 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2925         newivs_index.
2926         Call save_clast_name_index.
2927         (translate_clast): Pass newivs_index.
2928         (gloog): Create and free newivs_index.
2929
2930 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2931
2932         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2933         (clast_name_index_p): New type.
2934         (debug_clast_name_index): New.
2935         (debug_clast_name_indexes_1): New.
2936         (debug_clast_name_indexes): New.
2937         (clast_name_index_elt_info): New.
2938         (eq_clast_name_indexes): New.
2939         (clast_name_to_index): New.
2940         (new_clast_name_index): New.
2941         (save_clast_name_index): New.
2942         (init_sese_params_index): New.
2943         (gloog): Call init_sese_params_index.
2944         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2945         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2946         (free_sese): Free SESE_PARAMS_INDEX.
2947         * sese.h (struct sese): Add params_index.
2948         (SESE_PARAMS_INDEX): New.
2949
2950 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2951
2952         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2953         (graphite_create_new_loop): Pass the newivs vector.  Push the
2954         newly created IV to newivs.
2955         (translate_clast): Pass the newivs vector.
2956         (gloog): Create and destroy the newivs vector.
2957
2958 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2959
2960         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2961         (graphite_loop_normal_form): Initialize loop->aux with the unique
2962         IV that has been created.
2963
2964 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2965
2966         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2967         scev with parameters in the base part. They where forbidden
2968         exidently.
2969
2970 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2971
2972         * gcc.dg/graphite/graphite.exp: Set different default
2973         compile options by file names.
2974         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2975         * gcc.dg/graphite/id-{1-9}.c: Ditto.
2976         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
2977         * gcc.dg/graphite/scop-matmult.c: Ditto.
2978
2979 2009-05-08  Li Feng <nemokingdom@gmail.com>
2980
2981         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2982         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2983         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2984         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2985
2986 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2987
2988         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2989         by final cleanup.
2990
2991 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2992
2993         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2994         allow integer constant strides.
2995         (graphite_can_represent_expr): Depend on outermost_loop.
2996         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2997         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2998         build_scops_1): Same.
2999         (scopdet_basic_block_info): Same and insert layered SCoP
3000         detection.
3001         (try_generate_gimple_bb): Cleanup.
3002         (build_scops): Enable data references.
3003
3004         * gcc.dg/graphite/id-5.c: New.
3005         * gcc.dg/graphite/id-9.c: New.
3006         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3007         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3008
3009 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3010
3011         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3012         that we have not yet built for this SCoP.
3013
3014 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3015
3016         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3017         for complex numbers.
3018
3019 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3020
3021         * graphite-ppl.c: Fix build if cloog is not available.
3022
3023 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3024
3025         * tree-parloops.c (loop_parallel_p): Remove construction of
3026         NITER and REDUCTION_LIST.
3027         (try_get_loop_niter): New.
3028         (try_create_reduction_list): New.
3029         (parallelize_loops): Bypass the failed checkings in autopar
3030         when can_be_parallel in loop structure is set to true.
3031
3032 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3033
3034         * gcc.dg/graphite/id-6.c: Update testcase.
3035         * gcc.dg/graphite/scop-3.c: Dito.
3036
3037 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3038
3039         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3040         Enable EQ_EXPR and NE_EXPR again.
3041
3042 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3043
3044         * graphite-scop-detection.c (graphite_can_represent_scev):
3045         Add check if scev is affine multivariate.
3046         (harmful_stmt_in_bb): Check if we can represent the conditions.
3047         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3048         harmful_stmt_in_bb.
3049         * gcc.dg/graphite/id-7.c: New.
3050
3051 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3052
3053         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3054         Check all bbs in region, not only the bbs that are represented in
3055         GRAPHITE.
3056         (build_poly_scop): Add newline.
3057         * gcc.dg/graphite/id-8.c: New.
3058
3059 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3060
3061         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3062         when loop initialize.
3063         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3064         * common.opt: Declare flag_graphite_force_parallel.
3065         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3066         loop parallel.
3067         * graphite-poly.c (apply_poly_transforms): Introduce
3068         flag_graphite_force_parallel.
3069         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3070         * toplev.c (process_options): ditto and replace a not correctly
3071         encoded space.
3072
3073 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3074
3075         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3076         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3077         to the redefinition.
3078         (compute_cloog_iv_types_1): ditto.
3079         (build_iv_mapping): ditto.
3080         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3081         initialization.
3082         (free_gimple_bb): Removed GBB_LOOPS related free part.
3083         (build_bb_loops): Removed.
3084         * sese.h (struct gimple_bb): Removed loops.
3085         (GBB_LOOPS): Removed.
3086         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3087         (gbb_loop_index): ditto.
3088
3089 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3090
3091         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3092         allow non constant strides.
3093         * gcc.dg/graphite/scop-20.c: New.
3094
3095 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3096
3097         * graphite-scop-detection.c (dot_all_scops): Fix system call
3098         return value warning.
3099         (dot_scop): Same.
3100
3101 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3102
3103         * gcc.dg/graphite/id-6.c: Fix pattern.
3104         * gcc.dg/graphite/scop-3.c: Same.
3105
3106 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3107
3108         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3109         build_pairwise_constraint, dr_equality_constraints,
3110         build_pairwise_scheduling_equality,
3111         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3112         build_lexicographically_gt_constraint, dependence_polyhedron,
3113         graphite_legal_transform_dr, graphite_legal_transform_bb,
3114         graphite_legal_transform): New.
3115         * graphite-poly.h (graphite_legal_transform): Declared.
3116         * graphite-sese-to-poly.c (build_poly_scop): Call to
3117         graphite_legal_transform is disabled for the moment.
3118
3119 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3120
3121         * graphite-poly.h (pbb_nb_scattering_dims): New.
3122         (pbb_nb_scattering): Use it.
3123
3124 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3127         Pointset_Powerset version of ppl_insert_dimensions.
3128         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3129
3130 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3131
3132         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3133
3134 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3135
3136         * graphite-poly.h: Fix comment.
3137
3138 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3139
3140         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3141
3142 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3143
3144         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3145         statements.
3146
3147 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3148
3149         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3150         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3151         conditions.
3152
3153 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3154
3155         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3156         handle EQ_EXPR and NE_EXPR.
3157
3158 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3159
3160         * graphite-poly.h (poly_dr): Fix comment.
3161
3162 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3163             Tobias Grosser  <grosser@fim.uni-passau.de>
3164
3165         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3166         with a zero dimension polyhedron.
3167         (find_scop_parameters): Move the call to scop_set_nb_params here.
3168         (build_loop_iteration_domains): Store in loop->aux the iteration
3169         domain polyhedron.
3170         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3171         by any loop in scop.
3172         (build_poly_scop): Do not call scop_set_nb_params.
3173
3174 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3175             Tobias Grosser  <grosser@fim.uni-passau.de>
3176
3177         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3178         add_condition_to_domain not GT_EXPR.
3179
3180 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3181
3182         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3183         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3184         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3185         upper_bound_assign to calculate unions.
3186         * gcc.dg/graphite/id-6.c: New.
3187
3188 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3189
3190         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3191         handle abnormal edges.
3192
3193 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3194
3195         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3196         (free_poly_bb): Also free poly_drs.
3197         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3198         (poly_dr): Polyhedron to Pointset_Powerset.
3199         (pdr_accessp_nb_subscripts): Same.
3200         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3201         poly_drs.
3202
3203 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3204
3205         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3206         names into more meaningful names.
3207
3208 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * gfortran.dg/graphite/interchange-1.c: New.
3211         * gfortran.dg/graphite/interchange-2.c: New.
3212
3213 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3214
3215         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3216         the reduction_list.
3217         * tree-parloops.c (rewrite_phi_with_iv): New.
3218         (rewrite_all_phi_nodes_with_iv): New.
3219         (canonicalize_loop_ivs): Call them.
3220
3221 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3222
3223         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3224         graphite_find_data_references_in_stmt.
3225         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3226         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3227
3228 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3229
3230         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3231
3232 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3233
3234         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3235         instead of bb_in_region.
3236         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3237         (build_sese_conditions): Use flag_bb_in_sese.
3238         * sese.c (register_bb_in_sese): Removed.
3239         (new_sese): Remove initialization of SESE_REGION_BBS.
3240         (free_sese): Do not free SESE_REGION_BBS.
3241         * sese.h (struct sese): Remove field region_basic_blocks.
3242         (SESE_REGION_BBS): Removed.
3243         (bb_in_sese_p): Implement in function of bb_in_region.
3244
3245 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3246
3247         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3248         loops.
3249
3250 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3251
3252         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3253         and EQ_EXPR.
3254         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3255         (add_condition_to_domain): New.
3256         (add_condition_to_pbb): New.
3257         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3258         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3259
3260 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3261
3262         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3263         ppl_Pointset_Powerset.
3264         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3265         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3266         (pbb_nb_loops): Same.
3267         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3268         add_conditions_to_domain): Same.
3269         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3270         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3271         ppl_const_Polyhedron_t.
3272         (ppl_print_powerset_matrix): New.
3273         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3274         ppl_print_powerset_matrix): New.
3275         (ppl_print_polyhedron_matrix): Updated.
3276
3277 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3278
3279         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3280
3281 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3282
3283         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3284         (print_iteration_domains, debug_iteration_domain,
3285         debug_iteration_domains): New.
3286         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3287         debug_iteration_domains): Declared.
3288         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3289         indenting.
3290
3291 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3292             Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * graphite-poly.h (print_iteration_domain): New.
3295         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3296         (build_sese_conditions_1, build_sese_conditions_after,
3297         build_sese_conditions_before): New.
3298         (build_sese_conditions): Rewritten.
3299
3300 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3301             Tobias Grosser  <grosser@fim.uni-passau.de>
3302
3303         Cleanup of code generation liveouts.
3304         * graphite-clast-to-gimple.c (translate_clast): Use a single
3305         rename_map instead of one per translated statement.
3306         Do not use SESE_LIVEOUT_RENAMES.
3307         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3308         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3309         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3310         phi node of a reduction: when a loop contains a reduction used outside
3311         the loop, there should be a scalar close phi node on the exit block.
3312         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3313         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3314         (free_sese): Do not free them.
3315         (sese_build_liveouts_use): Do not use them.
3316         (sese_build_liveouts_bb): Same.
3317         (sese_build_liveouts): Same.
3318         (sese_insert_phis_for_liveouts): Same.
3319         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3320         (defined_in_loop_p): New.
3321         (alive_after_loop): New.
3322         (close_phi_not_yet_inserted_p): New.
3323         (struct alep, alep_p): New.
3324         (add_loop_exit_phis): Remove from the rename_map all the names defined
3325         in the code generated loop.
3326         (insert_loop_close_phis): Traverse the rename_map passed to it.
3327         Don't use SESE_LIVEOUT_RENAMES.
3328         (default_liveout_before_guard): Renamed default_before_guard.
3329         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3330         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3331         (register_sese_liveout_renames): Removed.
3332         (copy_bb_and_scalar_dependences): Do not call it.
3333         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3334         reduction_list.
3335         (SESE_LIVEOUT): Removed.
3336         (SESE_LIVEOUT_RENAMES): Removed.
3337         (SESE_REDUCTION_LIST): Removed.
3338         (sese_build_liveouts): Removed.
3339         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3340         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3341         (insert_guard_phis): Same.
3342         (rename_map_elt): Declare a VEC of them.
3343         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3344         trees not pointers to trees.
3345
3346         Rewrite in canonical close SSA form:
3347         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3348         (limit_scops): Close the scop after the block containing the close phi
3349         nodes.
3350         (canonicalize_loop_closed_ssa): New.
3351         (canonicalize_loop_closed_ssa_form): New.
3352         (build_scops): Call canonicalize_loop_closed_ssa_form.
3353
3354         * graphite-sese-to-poly.c: Fix typos.
3355
3356 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3357
3358         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3359         Extended.
3360         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3361         (print_pbb): Add conditions.
3362
3363 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3364             Sebastian Pop  <sebastian.pop@amd.com>
3365
3366         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3367         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3368         (build_scop_bbs_1): New.
3369         (build_scop_bbs): Rewrite.
3370         * sese.h (bb_in_region): New.
3371
3372 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3373
3374         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3375         poly_drs vector.
3376         (print_scop): Style.
3377         * graphite-poly.h (poly_bb): Add drs vector.
3378         (PBB_DRS): Add accessor.
3379         * graphite-sese-to-poly.c (build_poly_dr): New.
3380         (build_pbb_drs, build_scop_drs): New.
3381         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3382
3383 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3384
3385         * tree-ssa-loop.c: Include forgotten toplev.h
3386
3387 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3388
3389         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3390         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3391         * gcc.dg/graphite/pr37928.c: Same
3392         * gcc.dg/graphite/pr38409.c: Same
3393         * gcc.dg/graphite/pr38498.c: Same
3394         * gcc.dg/graphite/pr38559.c: Same
3395         * gcc.dg/graphite/pr39335.c: Same
3396         * gcc.dg/graphite/pr39335_1.c: Same
3397         * gfortran.dg/graphite/block-2.f: Same
3398         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3399         with -floop-*.
3400
3401 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3402
3403         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3404         build_access_matrix, build_scop_data_accesses): Remove access function
3405         building. (We get a new version soon).
3406         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3407         * sese.h (nb_loops_around_loop_in_sese): Remove.
3408         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3409
3410 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3411             Sebastian Pop  <sebastian.pop@amd.com>
3412
3413 &n