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Fix email address in ChangeLog.graphite.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2
3         PR middle-end/42930
4         * graphite-scop-detection.c (graphite_can_represent_scev): Call
5         graphite_can_represent_init for MULT_EXPR.
6
7 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
8
9         PR middle-end/42914
10         PR middle-end/42530
11         * graphite-sese-to-poly.c (remove_phi): New.
12         (translate_scalar_reduction_to_array): Call remove_phi.
13
14         * gcc.dg/graphite/pr42530.c: New.
15         * gcc.dg/graphite/pr42914.c: New.
16
17 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
18
19         PR middle-end/42771
20         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
21         * graphite-clast-to-gimple.h (gloog): Update declaration.
22         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
23         * graphite-poly.h (struct poly_bb): Add missing comments.
24         (struct scop): Add poly_scop_p field.
25         (POLY_SCOP_P): New.
26         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
27         * graphite.c (graphite_transform_loops): Build the polyhedral
28         representation for each scop before code generation.
29         * sese.c (rename_variables_in_operand): Removed.
30         (rename_variables_in_expr): Return the renamed expression.
31         (rename_sese_parameters): New.
32         * sese.h (rename_sese_parameters): Declared.
33
34         * gcc.dg/graphite/pr42771.c: New.
35
36 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
37
38         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
39         return 0 from main.
40         * gcc.dg/graphite/block-1.c: Same.
41         * gcc.dg/graphite/block-3.c: Same.
42         * gcc.dg/graphite/block-4.c: Same.
43         * gcc.dg/graphite/block-5.c: Same.
44         * gcc.dg/graphite/block-6.c: Same.
45         * gcc.dg/graphite/block-7.c: Same.
46         * gcc.dg/graphite/interchange-0.c: Same.
47         * gcc.dg/graphite/interchange-1.c: Same.
48         * gcc.dg/graphite/interchange-10.c: Same.
49         * gcc.dg/graphite/interchange-11.c: Same.
50         * gcc.dg/graphite/interchange-12.c: Same.
51         * gcc.dg/graphite/interchange-2.c: Same.
52         * gcc.dg/graphite/interchange-3.c: Same.
53         * gcc.dg/graphite/interchange-4.c: Same.
54         * gcc.dg/graphite/interchange-5.c: Same.
55         * gcc.dg/graphite/interchange-6.c: Same.
56         * gcc.dg/graphite/interchange-7.c: Same.
57         * gcc.dg/graphite/interchange-8.c: Same.
58         * gcc.dg/graphite/interchange-9.c: Same.
59         * gcc.dg/graphite/interchange-mvt.c: Same.
60
61 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
62
63         * gfortran.dg/graphite/id-19.f: New.
64         * gfortran.dg/graphite/pr14741.f90: New.
65         * gfortran.dg/graphite/pr41924.f90: New.
66         * gfortran.dg/graphite/run-id-2.f90: New.
67
68 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
69
70         PR middle-end/42988
71         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
72         to unknown_dependence.
73         (graphite_legal_transform_dr): Handle the unknown_dependence.
74         (graphite_carried_dependence_level_k): Same.
75
76 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
77
78         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
79
80 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
81             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
82
83         PR middle-end/42637
84         * graphite-dependences.c (build_lexicographical_constraint): Return
85         a union of dependence polyhedra.
86         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
87
88         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
89         * gcc.dg/graphite/block-4.c: Same.
90         * gcc.dg/graphite/block-7.c: Same.
91         * gcc.dg/graphite/interchange-12.c: Same.
92         * gcc.dg/graphite/interchange-mvt.c: Same.
93         * gfortran.dg/graphite/interchange-1.f: XFAILed.
94         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
95         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
96
97 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
98
99         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
100         the execution check to FAIL.  This testcase is miscompiled by Graphite
101         and the check should be re-enabled.
102         * gcc.dg/graphite/interchange-mvt.c: Same.
103         * gcc.dg/graphite/block-0.c: Same.
104         * gcc.dg/graphite/block-4.c: Same.
105         * gcc.dg/graphite/block-7.c: Same.
106
107 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
108
109         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
110         * gcc.dg/graphite/scop-0.c: Fix spaces.
111         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
112         * gfortran.dg/graphite/block-2.f: Same.
113         * gfortran.dg/graphite/block-3.f90: Same.
114         * gfortran.dg/graphite/block-4.f90: Same.
115         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
116         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
117
118 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
119
120         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
121         PDDR_ORIGINAL_SCATTERING_P.
122         (pddr_is_empty): Rewritten.
123         (print_dependence_polyhedron_layout): New.
124         (print_pddr): New.
125         (debug_pddr): New.
126         (build_alias_set_powerset): Moved up.
127         (poly_drs_may_alias_p): Moved up.
128         (lexicographically_gt_p): Removed.
129         (build_lexicographically_gt_constraint): Renamed
130         build_lexicographical_constraint, reimplemented.
131         (dependence_polyhedron_1): Simplified parameters.
132         (dependence_polyhedron): Same.  Keep along empty PDDRs
133         to make efficient use of the cache.
134         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
135         (graphite_legal_transform_dr): Rewritten.
136         (graphite_legal_transform_bb): Pass fewer arguments to
137         graphite_legal_transform_dr.
138         (graphite_carried_dependence_level_k): Simplified implementation.
139         (dot_original_deps_stmt_1): Call dependence_polyhedron.
140         (dot_transformed_deps_stmt_1): Same.
141         (dot_original_deps): Same.
142         (dot_transformed_deps): Same.
143         * graphite-dependences.h (struct poly_ddr): Added a new field
144         original_scattering_p.
145         (PDDR_ORIGINAL_SCATTERING_P): New.
146         (print_pddr): Declared.
147         (debug_pddr): Declared.
148         * graphite-ppl.c: Clarify comment.
149         * sese.h (print_gimple_bb): Removed unused declaration.
150         (debug_gbb): Same.
151
152 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
153
154         * g++.dg/graphite/graphite.exp: Rewritten.
155         * gcc.dg/graphite/graphite.exp: Rewritten.
156         * gfortran.dg/graphite/graphite.exp: Rewritten.
157         * gcc.dg/graphite/block-0.c: Added runtime test.
158         * gcc.dg/graphite/block-1.c: Same.
159         * gcc.dg/graphite/block-3.c: Same.
160         * gcc.dg/graphite/block-4.c: Same.
161         * gcc.dg/graphite/block-5.c: Same.
162         * gcc.dg/graphite/block-6.c: Same.
163         * gcc.dg/graphite/block-7.c: Same.
164         * gcc.dg/graphite/interchange-0.c: Same.
165         * gcc.dg/graphite/interchange-1.c: Same.
166         * gcc.dg/graphite/interchange-10.c: Same.
167         * gcc.dg/graphite/interchange-11.c: Same.
168         * gcc.dg/graphite/interchange-12.c: Same.
169         * gcc.dg/graphite/interchange-2.c: Same.
170         * gcc.dg/graphite/interchange-3.c: Same.
171         * gcc.dg/graphite/interchange-4.c: Same.
172         * gcc.dg/graphite/interchange-5.c: Same.
173         * gcc.dg/graphite/interchange-6.c: Same.
174         * gcc.dg/graphite/interchange-7.c: Same.
175         * gcc.dg/graphite/interchange-8.c: Same.
176         * gcc.dg/graphite/interchange-9.c: Same.
177         * gcc.dg/graphite/interchange-mvt.c: Same.
178         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
179
180 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
181
182         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
183           background.
184
185 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
186
187         * common.opt: Add -fgraphite-cloog-opts.
188         * graphite-clast-to-gimple.c (set_cloog_options): Same.
189         * opts.c (decode_options): Same.
190
191 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
192
193         * gcc.dg/graphite/id-17.c: New.
194         * gcc.dg/graphite/pr41888.c: New.
195         * gcc.dg/graphite/scop-22.c: New.
196         * gfortran.dg/graphite/pr40982.f90: New.
197
198 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
199
200         * graphite-dependences.c: Clarify comments.
201         (build_pddr): Add an extra parameter direction.
202         (graphite_legal_transform_dr): Use build_pddr.
203         (dot_original_deps_stmt_1): Update use of build_pddr.
204         (dot_transformed_deps_stmt_1): Same.
205         (dot_original_deps): Same.
206         (dot_transformed_deps): Same.
207
208         * gcc.dg/graphite/interchange-12.c: New.
209         * gcc.dg/graphite/block-7.c: New.
210
211 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
212
213         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
214         (pddr_transformed_scattering): Removed.
215         (graphite_legal_transform_dr): Use build_pddr.
216         (dot_original_deps_stmt_1): Same.
217         (dot_transformed_deps_stmt_1): Same.
218         (dot_original_deps): Same.
219         (dot_transformed_deps): Same.
220
221 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
222
223         * graphite-dependences.c (lexicographically_gt_p): Add comments.
224         (build_lexicographically_gt_constraint): Same.
225         (dependence_polyhedron_1): Same.
226         (dependence_polyhedron): Same.
227
228 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
229
230         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
231         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
232         (lexicographically_gt_p): Change type of direction to int.
233         (build_lexicographically_gt_constraint): Same.
234         (dependence_polyhedron_1): Same.
235         (dependence_polyhedron): Same.
236         (pddr_original_scattering): Use integers for direction.
237         (pddr_transformed_scattering): Same.
238         (graphite_legal_transform_dr): Same.
239         (graphite_carried_dependence_level_k): Same.
240
241 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
242
243         * graphite-dependences.c (build_pairwise_constraint): Renamed
244         ppl_build_relation.  Moved...
245         (dr_equality_constraints): Use ppl_build_relation.
246         (build_pairwise_scheduling_equality): Same.
247         (build_pairwise_scheduling_inequality): Same.
248         * graphite-ppl.c (ppl_build_relation): ...here.
249         * graphite-ppl.h (ppl_build_relation): Declared.
250
251 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
252
253         PR middle-end/42681
254         * graphite-clast-to-gimple.c (gloog_error): New static variable.
255         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
256         Set gloog_error when such an expression failed to be built.
257         (translate_clast): Early return when gloog_error is set.
258         (gloog): Clear gloog_error.  When gloog_error is set, call
259         set_ifsese_condition to enable the original code.  Return the status
260         of the code generation based on gloog_error.
261         * sese.c (set_ifsese_condition): New.
262         * sese.h (set_ifsese_condition): Declared.
263
264         * g++.dg/graphite/pr42681.C: New.
265
266 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
267
268         PR middle-end/42732
269         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
270         rename_nb_iterations.
271         * sese.c (rename_variables_in_operand): New.
272         (rename_variables_in_expr): New.
273         (rename_nb_iterations): New.
274         (sese_adjust_liveout_phis): Update the rename_map.
275         * sese.h (rename_nb_iterations): Declared.
276         * tree-scalar-evolution.c (scev_reset_htab): New.
277         (scev_reset): Call scev_reset_htab.
278         * tree-scalar-evolution.h (scev_reset_htab): Declared.
279
280         * gfortran.dg/graphite/pr42732.f: New.
281
282 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
283
284         PR middle-end/42393
285         * graphite-clast-to-gimple.c: Fix formatting.
286         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
287         (expr_defined_in_loop_p): New.
288         (add_loop_exit_phis): Also handle full expressions: remove from
289         the rename_map the expressions defined in the loop that we're closing.
290
291         * gfortran.dg/graphite/pr42393-1.f90: New.
292         * gfortran.dg/graphite/pr42393.f90: Add new flags
293         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
294         make this testcase useful in the Graphite branch.
295
296 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
297
298         * graphite-scop-detection.c (exclude_component_ref): Removed.
299         (is_simple_operand): Removed.
300         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
301
302 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
303
304         PR middle-end/42221
305         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
306         the array indexing of ADDR_EXPRs.
307
308         * gcc.dg/graphite/pr42221.c: New.
309
310 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
311
312         PR middle-end/42521
313         * graphite.c (graphite_finalize): Call scev_reset.
314         (graphite_transform_loops): Do not call scev_reset between the code
315         generation of scops.
316
317         * gcc.dg/graphite/pr42521.c: New.
318
319 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
320
321         * graphite-interchange.c (memory_stride_in_loop): Renamed
322         pdr_stride_in_loop.
323         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
324         (memory_strides_in_loop): Memoize the memory strides per loop.
325         (lst_interchange_profitable_p): Do not initialize to zero the memory
326         strides.
327         * graphite-poly.h (struct lst): Add a field memory_strides.
328         (LST_LOOP_MEMORY_STRIDES): New.
329         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
330         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
331
332 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
333
334         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
335         memory_strides_in_loop.  Gather memory strides on a whole loop.
336         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
337         (lst_interchange_profitable_p): Removed.
338         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
339
340 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
341
342         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
343         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
344         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
345         Remove context_loop and level.
346
347 2010-01-07  Richard Guenther  <rguenther@suse.de>
348
349         PR tree-optimization/42641
350         * sese.c (rename_map_elt_info): Use the SSA name version, do
351         not hash pointers.
352
353 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
354
355         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
356         blocked" only when both the strip mine and the interchange have
357         been applied.
358
359         * gcc.dg/graphite/block-2.c: Removed.
360         * gcc.dg/graphite/block-3.c: Add scan pattern.
361         * gcc.dg/graphite/block-4.c: Same.
362         * gcc.dg/graphite/block-5.c: Same.
363         * gcc.dg/graphite/block-6.c: Same.
364
365 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
366
367         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
368         before allocating a new one.
369         (copy_renames): Check that slot is not NULL.
370         (mark_bb_with_pbb): Same.
371         (compute_cloog_iv_types_1): Same.
372         * graphite-interchange.c (lst_perfect_nestify): Free the before,
373         nest, and after LSTs.
374         (lst_try_interchange_loops): Same.
375
376 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
377
378         PR middle-end/42178
379         * graphite-interchange.c (lst_try_interchange_loops): Do not return
380         the before, nest, and after LSTs.
381         (lst_try_interchange): Removed.
382         (lst_interchange_select_inner): Do not iterate over the LSTs if they
383         were modified.
384         (lst_interchange_select_outer): Apply interchange on the outer loop
385         until there are no more changes in the inner loops.
386
387 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
388
389         Revert patch fixing PR middle-end/42221.
390
391 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
392
393         PR middle-end/42180
394         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
395         GIMPLE_CALL.
396
397         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
398
399 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
400
401         PR middle-end/42180
402         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
403         that contain only one statement.
404
405         * gfortran.dg/graphite/pr42180.f90: New.
406
407 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
408
409         PR middle-end/42393
410         * gfortran.dg/graphite/pr42393.f90: New.
411
412 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
413
414         PR middle-end/42186
415         * gfortran.dg/graphite/pr42186.f90: New.
416
417 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
418
419         PR middle-end/42205
420         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
421         Insert the reduction copy in the same block as the phi node.
422         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
423
424         * gcc.dg/graphite/pr42205-1.c: New.
425         * gcc.dg/graphite/pr42205-2.c: New.
426
427 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
428
429         PR middle-end/42221
430         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
431         the array indexing of ADDR_EXPRs.
432
433         * gcc.dg/graphite/pr42221.c: New.
434
435 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
436
437         PR middle-end/42178
438         PR middle-end/42334
439         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
440         index.  Call lst_interchange_select_inner only once.
441         (lst_interchange_select_inner): Update use of lst_try_interchange.
442         (lst_interchange_select_outer): Update.
443
444 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
445
446         PR middle-end/42178
447         PR middle-end/42334
448         * graphite-interchange.c (lst_try_interchange): Do not increment the
449         the OUTER index when there is no AFTER kernel.  Do not increment the
450         OUTER index for after processing the AFTER kernel.
451         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
452         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
453         index.  Do not pass to lst_interchange_select_inner the OUTER index.
454         (scop_do_interchange): Update use of lst_interchange_select_outer.
455
456         * gfortran.dg/graphite/graphite.exp
457         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
458         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
459         the graphite dump file.
460         * gfortran.dg/graphite/interchange-2.f: Same.
461         * gfortran.dg/graphite/pr42334-1.f: New.
462
463 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
464
465         PR middle-end/42178
466         PR middle-end/42334
467         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
468         that are empty.
469         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
470         (lst_try_interchange): Reimplemented.
471         (lst_interchange_select_inner): Same.
472         (lst_do_interchange): Renamed lst_interchange_select_outer.
473         Reimplemented.
474         (scop_do_interchange): Update use of lst_interchange_select_outer.
475
476         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
477         * gcc.dg/graphite/block-0.c: Un-XFAILed.
478         * gcc.dg/graphite/pr42211.c: New.
479         * gfortran.dg/graphite/pr42334.f90: New.
480
481 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
482
483         PR middle-end/42181
484         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
485         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
486
487         * gfortran.dg/graphite/pr42181.f90: New.
488
489 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
490
491         PR middle-end/42284
492         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
493         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
494         (detect_commutative_reduction_arg): Simplified.
495         (detect_commutative_reduction): Early return when the argument of
496         the close phi is not of an SSA_NAME.
497
498         * gcc.dg/graphite/pr42284.c: New.
499
500 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
501
502         * dbgcnt.def (graphite_scop): New counter.
503         * graphite.c: Include dbgcnt.h
504         (graphite_transform_loops): Use new counter to limit transformations.
505
506 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
507
508         PR middle-end/42285
509         * graphite-scop-detection.c (graphite_can_represent_init): Also
510         handle more complex MULT_EXPRs containing parameters by recursion
511         on the structure.
512
513         * gfortran.dg/graphite/pr42285.f90: New.
514
515 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
516
517         * g++.dg/graphite/pr42130.C: Fix type.
518
519 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
520
521         * g++.dg/graphite/pr42130.C: Correct testcase.
522
523 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
524
525         * Merge from mainline (154493:154734).
526
527 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
528
529         * Merge from mainline (151362:154491).
530
531 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
532
533         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
534         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
535
536 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
537
538         PR middle-end/42130
539         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
540         translate_clast_for_loop): New.
541         (translate_clast_for): Add a condition around the loop, to do not
542         execute loops with zero iterations.
543         * g++.dg/graphite/pr42130.C: New.
544         * gcc.dg/graphite/pr35356-2.c: Adapt.
545
546 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
547
548         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
549         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
550         Remove context_loop and level.
551
552 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
553
554         * graphite-clast-to-gimple.c (translate_clast_user,
555         translate_clast_for, translate_clast_guard): Simplify and move common
556         elements to translate_clast().
557         (translate_clast): Simplify and get common elements.
558
559 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
560
561         * graphite-clast-to-gimple.c (translate_clast_user,
562         translate_clast_for, translate_clast_guard): Split out of
563         translate_clast.
564
565 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
566
567         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
568         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
569         debug_clast_name_indexes_1, debug_clast_name_indexes,
570         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
571         (clast_name_to_gcc, clast_to_gcc_expression,
572         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
573         gcc_type_for_clast_eq, graphite_translate_clast_equation,
574         graphite_create_guard_cond_expr, graphite_create_new_loop,
575         translate_clast): Add params_index.
576         (initialize_cloog_names): Create parameter strings from scratch, do
577         not reference other strings.
578         (create_params_index): New.
579         (gloog): Initialize params_index.
580         * graphite-scop-detection (free_scops_1): Removed.
581         (limit_scops): Use normal free_scops.
582         * graphite-sese-to-poly.c (save_var_names): Removed.
583         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
584         and SESE_PARAMS_INDEX.
585         * sese.c (new_sese, free_sese): Dito.
586         * sese.h (struct sese): Remove params_index, params_names.
587         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
588
589 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
590
591         Revert the following patch from 2009-09-14:
592         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
593         tree-scalar-evolution.h, and then tree-data-ref.h.
594         * graphite-clast-to-gimple.c: Same.
595         * graphite-dependences.c: Same.
596         * graphite-interchange.c: Same.
597         * graphite-poly.c: Same.
598         * graphite-scop-detection.c: Same.
599         * graphite-sese-to-poly.c: Same.
600         * graphite.c: Same.
601         * lambda-code.c: Same.
602         * matrix-reorg.c: Same.
603         * tree-data-ref.c: Same.
604         * tree-if-conv.c: Same.
605         * tree-loop-distribu: Same.: Same.
606         * tree-loop-linear.c: Same.
607         * tree-parloops.c: Same.
608         * tree-predcom.c: Same.
609         * tree-vect-patterns.c: Same.
610
611 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
612
613         Revert patch from 2009-09-14.
614         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
615         passes at -O1 and below.
616
617 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
618
619         PR middle-end/40281
620         * gcc.dg/graphite/pr40281.c: New.
621
622         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
623         evolutions should not variate in inner loops.
624
625 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
626
627         PR middle-end/42050
628         * gfortran.dg/graphite/pr42050.f90: New.
629
630 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
631
632         * graphite-interchange.c (memory_strides_in_loop_depth): New.
633         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
634
635 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
636
637         * graphite-blocking.c (scop_do_block): New.
638         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
639         * graphite-poly.h (scop_do_block): Declared.
640
641 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
642
643         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
644         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
645         to transform depth into the time_depth before calling
646         pbb_number_of_iterations_at_time.
647         (lst_do_strip_mine): Use a scalar variable instead of recomputing
648         lst_depth.
649
650 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
651
652         Reverted the patch for "scattering permutations" from 2009-10-28.
653
654         * graphite-poly.c (print_permutation): New.
655         (debug_permutation): New.
656         (new_poly_bb): Initialize PBB_PERMUTATION.
657         (free_poly_bb): Free PBB_PERMUTATION.
658         * graphite-poly.h (pbb_permutation_elt_p): Declared.
659         (struct pbb_permutation_elt): New.
660         (PBB_PERMUTATION_ELT_STRIDE): New.
661         (PBB_PERMUTATION_ELT_STRIDED_P): New.
662         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
663         (new_pbb_permutation_elt): New.
664         (pbb_permutation_elt_free): New.
665         (struct poly_bb): Add field permutation.
666         (PBB_PERMUTATION): New.
667         (print_permutation): Declared.
668         (debug_permutation): Declared.
669
670 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
671
672         * graphite-interchange.c (build_partial_difference): New.
673         (memory_stride_in_loop): Refactored the computation of
674         equality constraints into build_partial_difference function.
675         Added support for debugging stride computations.
676
677 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
678
679         * graphite-clast-to-gimple.c (gloog): Free if_region,
680         if_region->true_region, and if_region->region.
681         * sese.c (if_region_set_false_region): Free if_region->false_region.
682         (create_if_region_on_edge): Do not use GGC_NEW.
683         (move_sese_in_condition): Remove useless initialization.
684
685 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
686
687         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
688         for the loops created by the loop distribution.  Do not modify the
689         input LSTs.
690         (lst_try_interchange_loops): Same.  Use a temporary LST for the
691         transformed schedule.  Call lst_update_scattering before data
692         dependence analysis.
693         (lst_try_interchange): Pass an extra parameter INDEX.
694         (lst_do_interchange_1): New.
695         (lst_do_interchange): Call lst_do_interchange_1.
696         (scop_do_interchange): Call lst_update_scattering.
697         * graphite-poly.c (apply_poly_transforms): Do not call
698         lst_update_scattering.
699         * graphite-poly.h (lst_pred): New.
700         (lst_succ): New.
701         (lst_find_first_pbb): Return NULL when not found.
702         (lst_empty_p): New.
703         (lst_insert_in_sequence): Allow LST1 to be NULL.
704         (lst_replace): New.
705         (lst_substitute_3): New.
706         * gcc.dg/graphite/interchange-1.c: XFail.
707         * gcc.dg/graphite/interchange-8.c: XFail.
708         * gcc.dg/graphite/interchange-11.c: XFail.
709
710 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
711
712         * graphite-interchange.c (lst_perfectly_nested_p): New.
713         (lst_perfect_nestify): New.
714         (lst_try_interchange_loops): Call store_lst_schedule,
715         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
716         (scop_do_interchange): Avoid redundant legality test.
717         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
718         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
719         * graphite-poly.h (psct_static_dim): New.
720         (lst_dewey_number_at_depth): New.
721         (lst_find_pbb): Restructured.
722         (lst_find_first_pbb): Restructured.
723         (lst_find_last_pbb): New.
724         (lst_contains_p): New.
725         (lst_contains_pbb): New.
726         (lst_create_nest): New.
727         (lst_remove_from_sequence): New.
728         (pbb_update_scattering): New.
729         (lst_update_scattering_under): New.
730         (lst_update_scattering_seq): New.
731         (lst_update_scattering): New.
732         (lst_insert_in_sequence): New.
733         (lst_distribute_lst): New.
734         (lst_remove_all_before_including_pbb): New.
735         (lst_remove_all_before_excluding_pbb): New.
736
737 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
738
739         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
740         get_loop_exit_edges.
741
742 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
743
744         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
745
746 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
747
748         * graphite-poly.c (print_permutation): New.
749         (debug_permutation): New.
750         (new_poly_bb): Initialize PBB_PERMUTATION.
751         (free_poly_bb): Free PBB_PERMUTATION.
752         * graphite-poly.h (pbb_permutation_elt_p): Declared.
753         (struct pbb_permutation_elt): New.
754         (PBB_PERMUTATION_ELT_STRIDE): New.
755         (PBB_PERMUTATION_ELT_STRIDED_P): New.
756         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
757         (new_pbb_permutation_elt): New.
758         (pbb_permutation_elt_free): New.
759         (struct poly_bb): Add field permutation.
760         (PBB_PERMUTATION): New.
761         (print_permutation): Declared.
762         (debug_permutation): Declared.
763
764 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
765
766         * graphite-clast-to-gimple.c (gloog): Do not call
767         sese_reset_aux_in_loops.
768         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
769         extra argument for domains.  Do not use loop->aux.
770         (build_scop_iteration_domain): Initialize and free domains, pass it
771         to build_loop_iteration_domains and extract the information from
772         domains.  Do not use loop->aux.
773         * sese.c (sese_reset_aux_in_loops): Removed.
774         * sese.h (sese_reset_aux_in_loops): Removed.
775
776 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
777
778         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
779         (dependency_in_loop_p): Same.
780         (translate_clast): Do not use loop->aux.  Initialize
781         loop->can_be_parallel.
782         (mark_loops_parallel): Removed.
783         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
784         * graphite.c (free_aux_in_new_loops): Removed.
785         (graphite_finalize): Do not call free_aux_in_new_loops.
786         (graphite_transform_loops): Do not call mark_loops_parallel.
787
788 2009-10-26  Li Feng  <nemokingdom@gmail.com>
789
790         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
791         (translate_clast): Pass an extra parameter LEVEL.
792         Call get_scattering_level.
793         * graphite-clast-to-gimple.h (get_scattering_level): New.
794
795 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
796
797         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
798         * cfgloop.h (struct loop): New field single_iv.
799
800         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
801         loop->aux anymore: use loop->single_iv.
802         (graphite_loop_normal_form): Moved...
803         (build_graphite_loop_normal_form): Removed.
804         (gloog): Do not call build_graphite_loop_normal_form.
805         (free_aux_in_new_loops): Moved...
806         (mark_loops_parallel): Restructure.
807         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
808         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
809         (scop_canonicalize_loops): New.
810         (build_poly_scop): Call scop_canonicalize_loops.
811         * graphite.c (free_aux_in_new_loops): ...here.
812
813 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
814
815         * g++.dg/graphite/graphite.exp: Add the same rules as in
816         gcc.dg/graphite/graphite.exp.
817
818 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
819
820         * g++.dg/graphite/id-1.C: New.
821
822 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
823
824         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
825         argument base_name.
826         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
827         (rewrite_phi_out_of_ssa): Same.
828         (rewrite_cross_bb_scalar_deps): Same.
829         (translate_scalar_reduction_to_array): Same.
830
831 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
832
833         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
834         dump_alias_graphs.
835
836 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
837
838         * graphite-sese-to-poly.c (dump_alias_graphs): New.
839         (build_scop_drs): Call dump_alias_graphs.
840
841 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
842
843         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
844         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
845         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
846         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
847         * graphite-poly.h (free_lst): New.
848         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
849         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
850
851 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
852
853         * graphite-poly.h (struct scop): Add a field saved_schedule.
854         (SCOP_SAVED_SCHEDULE): New.
855         (store_lst_schedule): New.
856         (restore_lst_schedule): New.
857         (store_scattering): Call store_lst_schedule.
858         (restore_scattering): Call restore_lst_schedule.
859
860 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
861
862         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
863         (pdr_add_alias_set): Same.
864         (build_poly_dr): Same.
865         (build_alias_set_optimal_p): Same.
866         (build_base_obj_set_for_drs): Same.  Do not store the result of
867         graphds_dfs.
868
869 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
870
871         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
872         all_components_are_cliques to 1.
873
874 2009-10-20  Li Feng  <nemokingdom@gmail.com>
875
876         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
877         the new structure.
878         (pdr_add_alias_set): Update retrieving alias_set_num.
879         (build_poly_dr): Update retrieving dr_base_object_set.
880         (partition_drs_to_sets): Remove.
881         (build_alias_set_optimal_p): New.
882         (build_alias_set_for_drs): Rename.
883         (build_scop_drs): Update.
884         * graphite-sese-to-poly.h (struct base_alias_pair): New.
885         (ALIAS_SET_INDEX): Remove.
886         (BASE_OBJECT_SET_INDEX): Remove.
887
888 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
889
890         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
891
892 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
893
894         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
895         loop upper bounds for 1-element arrays at end of structures.
896         * tree-flow.h (array_at_struct_end_p): Declared.
897         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
898
899 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
900
901         * g++.dg/graphite/pr41305.C: New.
902
903 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
904
905         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
906         construction of parameter constraints from loop iteration analysis.
907         * gcc.dg/graphite/run-id-2.c: New test.
908
909 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
910
911         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
912         and new_cstr.
913
914 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
915
916         * graphite-dependences.c (dependence_polyhedron_1): Remove
917         unused gdim dimensions from the DDR polyhedron.
918
919 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
920
921         * graphite-dependences.c (pddr_transformed_scattering): New.
922         (dot_original_deps_stmt_1): New.
923         (dot_transformed_deps_stmt_1): New.
924         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
925         dot_transformed_deps_stmt_1.
926         (dot_original_deps): New.
927         (dot_transformed_deps): New.
928         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
929
930 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
931
932         * graphite-dependences.c (reduction_dr_1): Remove wrong
933         assert: reduction BBs can have multiple reduction writes
934         to memory.  interchange-3.f90 is an example.
935
936 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
937
938         * gfortran.dg/graphite/interchange-3.f90: New.
939
940 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
941
942         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
943
944 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
945
946         * graphite-dependences.c (dependence_polyhedron_1): Add the
947         context to the dependence polyhedron.
948
949 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
950
951         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
952         PBB_PDR_DUPLICATES_REMOVED.
953         (new_poly_bb): Same.
954
955 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
956
957         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
958         SCOP_CONTEXT.
959         (build_loop_iteration_domains): Extract bounds on parameters
960         based on the data size.
961         (build_scop_context): Do not initialize SCOP_CONTEXT;
962         add new constraints.
963
964 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
965
966         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
967         * graphite-ppl.h (graphite-ppl.h): Declared.
968
969 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
970
971         * graphite-ppl.c (ppl_print_linear_expr): New.
972         (debug_ppl_linear_expr): New.
973         * graphite-ppl.h (ppl_print_linear_expr): Declared.
974         (debug_ppl_linear_expr): Declared.
975
976 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
977
978         * graphite-interchange.c: Fix comments.
979         * gcc.dg/graphite/block-1.c: Fix comments.
980
981 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
982
983         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
984         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
985
986 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
987
988         Reapply the patch from Alexander Monakov that disappeared during
989         the last merges from trunk.
990
991         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
992
993         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
994         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
995
996 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
997
998         * graphite-interchange.c (memory_stride_in_loop): The depth
999         argument corresponds to a dynamic time dimension, so use
1000         psct_dynamic_dim to refer to the transformed scattering dimension.
1001
1002 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1005
1006 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1009         root of the LST.
1010         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1011         the root of the LST.
1012         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1013         fake loop.
1014         (print_lst): Print the root of LST in a different format.
1015         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1016
1017 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1020
1021 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1022
1023         * doc/passes.texi: Document the Graphite infrastructure.
1024
1025 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1026
1027         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1028         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1029         and check the SSA representation.
1030
1031         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1032
1033 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1034
1035         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1036
1037 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         * gcc.dg/graphite/interchange-11.c: New.
1040
1041 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1042
1043         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1044
1045 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1048         Add -fno-loop-strip-mine and -fno-loop-interchange.
1049         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1050         -fno-loop-strip-mine.
1051         * gfortran.dg/graphite/graphite.exp: Same.
1052
1053 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1054
1055         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1056         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1057         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1058         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1059         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1060         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1061         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1062         DEFAULT_FLAGS_GRAPHITE_SCOP.
1063         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1064         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1065
1066 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1069
1070 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1071             Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * graphite-interchange.c (build_linearized_memory_access): Pass an
1074         offset as parameter.
1075         (memory_stride_in_loop): Include transform scattering in the
1076         access functions to be able to querry the strides in the
1077         transformed loops.
1078         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1079         not the psct_iterator_dim.
1080
1081 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1084         (lst_do_strip_mine_loop): New.
1085         (lst_do_strip_mine): New.
1086         (scop_do_strip_mine): Call lst_do_strip_mine.
1087         * graphite-poly.h (lst_add_loop_under_loop): New.
1088         (lst_find_first_pbb): New.
1089
1090 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1091
1092         * graphite-poly.c (loop_to_lst): Fix LST creation.
1093
1094 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1095
1096         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1097         sizeof(unsigned long) to make it run on 32bit systems.
1098
1099 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1100
1101         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1102         SEGFAULT on 32bit.
1103
1104 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1105
1106         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1107         Comment.
1108         (write_alias_graph_to_ascii_dot): New.
1109         (write_alias_graph_to_ascii_ecc): Ditto.
1110         (partition_drs_to_sets): Add testing of optimality of current method
1111         which assigns alias numbers according to DFS Comopnent number.  used
1112         as heuristic for the upcoming ECC algorithm.
1113         (build_scop_drs): Write to file also with the ecc and dot format.
1114
1115 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         * gfortran.dg/graphite/interchange-1.f: XFail.
1118
1119 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         * graphite.c (graphite_initialize): Do not handle functions with
1122         more than 100 basic blocks.
1123
1124 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1125
1126         * graphite-blocking.c (pbb_do_strip_mine): Use
1127         PARAM_LOOP_BLOCK_TILE_SIZE.
1128
1129 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1130
1131         * graphite-poly.c (dot_lst_1): New.
1132         (dot_lst): New.
1133         * graphite-poly.h (dot_lst): Declared.
1134
1135 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-dependences.c (dot_deps_stmt_1): New.
1138         (dot_deps_stmt): New.
1139         * graphite-dependences.h (dot_deps_stmt): Declared.
1140
1141 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1142
1143         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1144         not replace cross BB scalar dependences ending on PHI nodes.
1145         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1146
1147 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1148
1149         * graphite-poly.c (apply_poly_transforms): Implement the high
1150         level driver for flag_loop_block.
1151         * opts.c (decode_options): Enable flag_loop_block at -O2.
1152         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1153         flag_loop_block.
1154
1155         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1156         -floop-block.
1157         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1158         Add -floop-block.
1159
1160 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * graphite-poly.h (lst_find_pbb): New.
1163         (find_lst_loop): New.
1164
1165 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1168         * graphite-poly.h (struct scop): Remove dep_graph field.
1169         (SCOP_DEP_GRAPH): Removed.
1170
1171 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-poly.h (copy_lst): Do full copy of LST.
1174
1175 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1178         when the loop stride is zero.
1179
1180         * gcc.dg/graphite/id-16.c: New.
1181
1182 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-dependences.c (reduction_dr_1): New.
1185         (reduction_dr_p): New.
1186         (graphite_legal_transform_dr): Call reduction_dr_p.
1187         (reduction_ddr): Renamed reduction_ddr_p.
1188         * graphite-poly.h (same_pdr_p): New.
1189         (number_of_write_pdrs): New.
1190         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1191         (split_reduction_stmt): Do not split reduction statements
1192         when there are no writes to memory.
1193         (translate_scalar_reduction_to_array_for_stmt): Insert the
1194         memory reduction statement just after the scalar reduction statement.
1195
1196         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1197         Un-XFAIL-ed.
1198         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1199         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1200
1201 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * graphite-interchange.c (lst_apply_interchange): New.
1204         (lst_interchange_profitable_p): New.
1205         (lst_try_interchange_loops): New.
1206         (lst_try_interchange): New.
1207         (lst_do_interchange): New.
1208         (pbb_do_interchange): Removed.
1209         (scop_do_interchange): Call lst_do_interchange.
1210
1211 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1214         SCOP_TRANSFORMED_SCHEDULE.
1215         (loop_to_lst): New.
1216         (scop_to_lst): New.
1217         (print_lst): New.
1218         (debug_lst): New.
1219         * graphite-poly.h (lst_p): New.
1220         (struct lst): New.
1221         (LST_LOOP_P): New.
1222         (LST_LOOP_FATHER): New.
1223         (LST_PBB): New.
1224         (LST_SEQ): New.
1225         (scop_to_lst): Declared.
1226         (print_lst): Declared.
1227         (debug_lst): Declared.
1228         (new_lst_loop): New.
1229         (new_lst_stmt): New.
1230         (copy_lst): New.
1231         (lst_depth): New.
1232         (lst_dewey_number): New.
1233         (struct scop): Add original_schedule and transformed_schedule fields.
1234         (SCOP_ORIGINAL_SCHEDULE): New.
1235         (SCOP_TRANSFORMED_SCHEDULE): New.
1236         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1237
1238 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * graphite-dependences.c (reduction_ddr): New.
1241         (graphite_legal_transform_bb): Call reduction_ddr.
1242         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1243         Initialize PBB_IS_REDUCTION.
1244         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1245         (PBB_IS_REDUCTION): New.
1246         (new_poly_bb): Update declaration.
1247         * graphite-scop-detection.h (build_scop_bbs): Removed.
1248         (nb_reductions_in_loop): Removed.
1249         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1250         parameter for reductions.
1251         (try_generate_gimple_bb): Update call to new_poly_bb.
1252         (build_scop_bbs_1): Same.
1253         (build_scop_bbs): Same.
1254         (gsi_for_phi_node): New.
1255         (scalar_close_phi_node_p): Remove gcc_assert.
1256         (split_reduction_stmt): New.
1257         (is_reduction_operation_p): New.
1258         (phi_contains_arg): New.
1259         (follow_ssa_with_commutative_ops): New.
1260         (detect_commutative_reduction_arg): New.
1261         (detect_commutative_reduction_assign): New.
1262         (follow_inital_value_to_phi): New.
1263         (edge_initial_value_for_loop_phi): New.
1264         (initial_value_for_loop_phi): New.
1265         (detect_commutative_reduction): New.
1266         (translate_scalar_reduction_to_array_for_stmt): New.
1267         (insert_copyout): New.
1268         (insert_copyin): New.
1269         (translate_scalar_reduction_to_array): New.
1270         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1271         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1272         (rewrite_commutative_reductions_out_of_ssa): New.
1273         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1274         * sese.h (split_region_for_bb): New.
1275
1276         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1277         * gcc.dg/graphite/interchange-1.c: Fix format.
1278         * gcc.dg/graphite/interchange-10.c: New.
1279
1280 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1281
1282         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1283         buggy assert.
1284
1285 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1288         (rewrite_cross_bb_scalar_dependence): New.
1289         (rewrite_cross_bb_scalar_deps): New.
1290         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1291         Call rewrite_cross_bb_scalar_deps.
1292
1293 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1296         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1297         gsi_for_stmt.
1298
1299 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1300
1301         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1302         * graphite-interchange.c (pbb_do_interchange): Same.
1303         * graphite-poly.c (print_scattering_function): Same.
1304         (debug_pdrs): Same.
1305         * graphite-poly.h (pbb_loop): New.
1306         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1307
1308 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1311
1312 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1313
1314         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1315         so don't pass a pointer to it.
1316         (build_alias_set_for_drs): Same.
1317         (build_base_obj_set_for_drs): Same.
1318         (build_scop_drs): Same.
1319
1320 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1321
1322         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1323         the alias graph of data references.
1324
1325 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1326
1327         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1328         (build_scop_drs): When debugging, write the alias graph to file,
1329         otherwise, should be disabled.
1330
1331 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * Merge from mainline (151310:151361).
1334
1335 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1336
1337         * Merge from mainline (151171:151310).
1338
1339 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         * Merge from mainline (151171:151806).
1342
1343 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * Revert the last commit.
1346
1347 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * Merge from mainline (151171:151819).
1350
1351 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1352
1353         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1354         (is_simple_operand): Remove call to stmt_simple_memref_p.
1355         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1356
1357 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1358
1359         * gcc.dg/graphite/interchange-mvt.c: New File.
1360         * gcc.dg/graphite/scop-dsyrk.c: New File.
1361         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1362         * gcc.dg/graphite/scop-mvt.c: New File.
1363         * gcc.dg/graphite/scop-sor.c: New File.
1364
1365 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1366
1367         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1368         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1369         (graphite_carried_dependence_level_k): Ditto.
1370         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1371         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1372         (new_poly_dr): Adjust declaration.
1373         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1374         (free_gimple_bb): Added free_data_refs_aux.
1375         (build_poly_dr): Add dr_base_object_set.
1376         (partition_drs_to_sets): New.
1377         (dr_same_base_object_p): New.
1378         (build_alias_set_for_drs): New.
1379         (build_base_object_set_for_drs): New.
1380         (build_scop_drs): Add build_base_obj_set_for_drs.
1381         * graphite-sese-to-poly.h: Added #define for alias set number index and
1382         base object set index.
1383         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1384         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1385
1386 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1387
1388         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1389         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1390
1391 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * graphite-sese-to-poly.c (struct irp_data): Removed.
1394         (idx_record_params): Removed.
1395         (find_params_in_bb): Scan for parameters the access functions; don't
1396         parse the tree representation.
1397
1398 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1399
1400         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1401         passes at -O1 and below.
1402
1403 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1404
1405         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1406         tree-scalar-evolution.h, and then tree-data-ref.h.
1407         * graphite-clast-to-gimple.c: Same.
1408         * graphite-dependences.c: Same.
1409         * graphite-interchange.c: Same.
1410         * graphite-poly.c: Same.
1411         * graphite-scop-detection.c: Same.
1412         * graphite-sese-to-poly.c: Same.
1413         * graphite.c: Same.
1414         * lambda-code.c: Same.
1415         * matrix-reorg.c: Same.
1416         * tree-data-ref.c: Same.
1417         * tree-if-conv.c: Same.
1418         * tree-loop-distribu: Same.: Same.
1419         * tree-loop-linear.c: Same.
1420         * tree-parloops.c: Same.
1421         * tree-predcom.c: Same.
1422         * tree-vect-patterns.c: Same.
1423
1424 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1425
1426         Partially revert the previous patch, except the following.
1427         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1428         as parameters the operands of the not expression.
1429
1430 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1431
1432         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1433         Do not call analyze_scalar_evolution on assignments.
1434         (instantiate_scev_phi): Call analyze_scalar_evolution.
1435         (instantiate_scev_name): Call instantiate_scev_assign and
1436         instantiate_scev_phi.
1437         (instantiate_scev_not): Adapted to pass as parameters the operands
1438         of the not expression.
1439
1440 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1443         to pass as parameters the operands of the binary expression.
1444
1445 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1446
1447         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1448         instantiate_scev_not.  Handle NEGATE_EXPR.
1449         (instantiate_scev_r): Handle NEGATE_EXPR.
1450
1451 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1452
1453         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1454         instantiate_scev_r.
1455         (instantiate_scev_r): Move code in instantiate_scev_2
1456         and instantiate_scev_1.
1457
1458 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * tree-scalar-evolution.c (instantiate_scev_3): New.
1461         (instantiate_scev_1): Move code in instantiate_scev_3.
1462
1463 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1466         (instantiate_scev_1): Move code in instantiate_scev_poly.
1467
1468 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1471         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1472
1473 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1476         (instantiate_scev_1): Move code in instantiate_scev_convert.
1477
1478 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1479
1480         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1481         (instantiate_scev_1): Move code in instantiate_scev_binary.
1482
1483 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1484
1485         * tree-scalar-evolution.c (instantiate_scev_name): New.
1486         (instantiate_scev_1): Move code in instantiate_scev_name.
1487
1488 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * Merge from mainline (150992:151171).
1491
1492 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1493
1494         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1495
1496 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1497
1498         * graphite-dependences.c (graphite_legal_transform_bb): Call
1499         pbb_remove_duplicate_pdrs.
1500         * graphite-poly.c (can_collapse_pdr): Removed.
1501         (pdr_find_duplicate): Removed.
1502         (can_collapse_pdrs): New.
1503         (pbb_remove_duplicate_pdrs): New.
1504         (new_poly_dr): Do not look for duplicates.
1505         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1506         (PBB_PDR_DUPLICATES_REMOVED): New.
1507         (pbb_remove_duplicate_pdrs): Declared.
1508
1509 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1510
1511         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1512         the strides by multiplying by PDR_NB_REFS.
1513         * graphite-poly.c (can_collapse_pdr): New.
1514         (pdr_find_duplicate): New.
1515         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1516         Initialize PDR_NB_REFS.
1517         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1518         (PDR_NB_REFS): New.
1519         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1520
1521 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1522
1523         Revert one of the previous commits:
1524         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1525         the computation of symmetric data dependence relations.
1526         (dependency_between_pbbs_p): Same.
1527
1528 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         PR middle-end/40965
1531         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1532         any transform.
1533
1534 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1535
1536         * graphite-dependences.c (pddr_original_scattering): Return NULL
1537         for read-read dependence relations.
1538         * graphite-poly.h (enum poly_dr_type): Fix comment.
1539         (pdr_read_p): New.
1540         (pdr_write_p): New.
1541         (pdr_may_write_p): New.
1542
1543 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1546         (struct poly_dr): Same.
1547         (new_poly_dr): Same.
1548         * graphite-poly.c (new_poly_dr): Same.
1549
1550 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1551             Sebastian Pop  <sebastian.pop@amd.com>
1552
1553         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1554         pbb_strip_mine_time_depth.  Changed the implementation so that
1555         transformation is expressed as a transformation on
1556         time (scatttering) dimensions.  Also, ensures that the 2d+1
1557         scheduling format is preserved.
1558         (pbb_strip_mine_profitable_p): Profitability is based on the
1559         iteration number of a given time (scattering) dimension,
1560         and not on a original loop depth dimension.
1561         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1562         (pbb_do_strip_mine): Call psct_dynamic_dim.
1563         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1564         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1565         (pbb_nb_dynamic_scattering_transform): New.
1566         (psct_dynamic_dim): New.
1567
1568 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1569
1570         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1571         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1572         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1573         * graphite-interchange.c (build_linearized_memory_access): Same.
1574         (memory_stride_in_loop): Same.
1575
1576 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1577
1578         * graphite-dependences.c (pddr_original_scattering): New.
1579         (graphite_legal_transform_dr): Call pddr_original_scattering.
1580         (dot_deps_1): New.
1581         (dot_deps): New.
1582         * graphite-dependences.h (dot_deps): Declared.
1583         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1584         (print_pdr): Print PDR_ID.
1585         * graphite-poly.h (struct poly_dr): Add field id.
1586         (PDR_ID): New.
1587         (pbb_index): New.
1588         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1589
1590 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1593         not delete the original dependence relation.
1594
1595 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1596
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 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1602
1603         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1604         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1605         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1606         (free_poly_ddr): New.
1607         (pddr_is_empty): New.
1608         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1609         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1610         Remove fprintfs.
1611         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1612         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1613         * graphite-dependences.h (enum poly_dependence_kind): New.
1614         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1615         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1616         (PDRP_SINK): Renamed PDDR_SINK.
1617         (PDRP_DDP): Renamed PDDR_DDP.
1618         (PDDR_KIND): New.
1619         (free_poly_ddr): Declared.
1620         * graphite-poly.c (new_scop): Use the new hash function names.
1621         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1622         into original_pddrs.
1623         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1624
1625 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         * Merge from mainline (150764:150992).
1628
1629 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1632         bounds with LT_EXPR to make niter analysis more precise on code
1633         generated by Graphite.
1634
1635 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1636
1637         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1638         (graphite_legal_transform_bb): Same.
1639         (poly_drs_may_alias_p): Same.
1640
1641 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         PR middle-end/40981
1644         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1645         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1646
1647 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1648
1649         * graphite-poly.c (print_pbb): Print PBB index.
1650
1651 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1652
1653         * Merge from mainline (r150672:150764).
1654
1655 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * graphite-interchange.c (ppl_max_for_le): Moved...
1658         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1659         * graphite-ppl.c (ppl_max_for_le): ... here.
1660         * graphite-ppl.h (ppl_max_for_le): Declared.
1661
1662 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1663
1664         * Merge from mainline (r150372:150672).
1665
1666 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         PR middle-end/40980
1669         * sese.c (convert_for_phi_arg): New.
1670         (add_guard_exit_phis): Use convert_for_phi_arg.
1671
1672         * gfortran.dg/graphite/id-17.f: New.
1673
1674 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1677         unknown subscript upper bounds.
1678
1679         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1680
1681 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1682             Pranav Garg  <pranav.garg2107@gmail.com>
1683
1684         * graphite-interchange.c (gather_access_strides): Removed.
1685         (ppl_max_for_le): New.
1686         (build_linearized_memory_access): New.
1687         (memory_stride_in_loop): New.
1688         (pbb_interchange_profitable_p): Reimplemented.
1689         * graphite-ppl.h (ppl_new_id_map): New.
1690         (ppl_interchange): New.
1691
1692         * gcc.dg/graphite/interchange-6.c: XFAILed.
1693
1694 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         * graphite-interchange.c (compute_subscript): Removed.
1697         (compute_array_size_cstr): Removed.
1698         (compute_array_size_poly): Removed.
1699         (compute_array_size): Removed.
1700         (gather_access_strides_poly): Removed.
1701         (gather_access_strides): Empty.
1702
1703 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1704
1705         * graphite-dependences.c (dependence_polyhedron_1): Replace
1706         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1707         (graphite_legal_transform_dr): Same.
1708         (graphite_carried_dependence_level_k): Same.
1709         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1710         Initialize PDR_NB_SUBSCRIPTS.
1711         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1712         PDR_NB_SUBSCRIPTS.
1713         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1714         (PDR_NB_SUBSCRIPTS): New.
1715         (pdr_nb_subscripts): Removed.
1716         (pdr_dim): Simplified.
1717         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1718         with PDR_NB_SUBSCRIPTS.
1719
1720 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * graphite-interchange.c (compute_array_size): Remove use of
1723         PDR_DATA_CONTAINER.
1724         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1725         Do not initialize PDR_DATA_CONTAINER.
1726         (print_pdr): Do not print PDR_DATA_CONTAINER.
1727         * graphite-poly.h (struct poly_dr): Remove data_container field.
1728         (PDR_DATA_CONTAINER): Removed.
1729         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1730         PDR_DATA_CONTAINER.
1731         (build_poly_dr): Same.
1732
1733 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * gcc.dg/graphite/interchange-9.c: New.
1736
1737 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1738             Sebastian Pop  <sebastian.pop@amd.com>
1739
1740         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1741         copy of the dependence polyhedron.  Free the temporary objects.
1742         (graphite_carried_dependence_level_k): Free unused objects before
1743         returning.
1744
1745         * gcc.dg/graphite/interchange-1.c: XFAILed.
1746         * gcc.dg/graphite/interchange-2.c: XFAILed.
1747         * gcc.dg/graphite/interchange-3.c: XFAILed.
1748         * gcc.dg/graphite/interchange-4.c: XFAILed.
1749         * gcc.dg/graphite/interchange-7.c: XFAILed.
1750
1751 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1754         Early return without analyzing the data dependences if no
1755         transform has been done.  Call restore_scattering if the transform
1756         is not legal.
1757         (graphite-interchange.c): Same.
1758         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1759         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1760         (apply_poly_transforms): Do not gcc_assert that
1761         the transform is legal.
1762         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1763         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1764         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1765         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1766         * graphite-poly.h (struct poly_scattering): New.
1767         (struct poly_bb): Add original, transformed, and saved fields.
1768         Remove transformed_scattering, original_scattering, nb_local_variables,
1769         and nb_scattering_transform fields.
1770         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1771         (poly_scattering_new): New.
1772         (poly_scattering_free): New.
1773         (poly_scattering_copy): New.
1774         (store_scattering_pbb): New.
1775         (store_scattering): New.
1776         (restore_scattering_pbb): New.
1777         (restore_scattering): New.
1778         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1779         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1780
1781 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1784         (print_scop): Same.
1785
1786 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * Makefile.in (graphite.o): Depends on PREDICT_H.
1789         * graphite.c: Include predict.h.
1790         (graphite_finalize): Call tree_estimate_probability.
1791         * predict.c (predict_loops): Do not call scev_initialize and
1792         scev_finalize.
1793         (tree_estimate_probability_bb): New.
1794         (tree_estimate_probability): Do not initialize loops: move that
1795         code to the driver.  Call tree_estimate_probability_bb.
1796         (tree_estimate_probability_driver): New.
1797         (pass_profile): Use tree_estimate_probability_driver.
1798         * predict.h (tree_estimate_probability): Declared.
1799
1800 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1801
1802         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1803         * graphite-dependences.c (graphite_legal_transform): Add time to
1804         TV_GRAPHITE_DATA_DEPS.
1805         (dependency_between_pbbs_p): Same.
1806         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1807
1808 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1809
1810         * Merge from mainline (r149952:150372).
1811
1812 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1815         * graphite-blocking.c: Same.
1816         * graphite-clast-to-gimple.c: Same.
1817         * graphite-dependences.c: Same.
1818         * graphite-poly.c: Same.
1819         * graphite-poly.h: Same.
1820         * graphite-ppl.c: Same.
1821         * graphite-scop-detection.c: Same.
1822         * graphite-sese-to-poly.c: Same.
1823         * graphite.c: Same.
1824
1825 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1828         (remove_simple_copy_phi): New.
1829         (remove_invariant_phi): New.
1830         (simple_copy_phi_p): New.
1831         (reduction_phi_p): New.
1832         (gsi_for_ssa_name_def): New.
1833         (insert_out_of_ssa_copy): New.
1834         (insert_out_of_ssa_copy_on_edge): New.
1835         (create_zero_dim_array): New.
1836         (scalar_close_phi_node_p): New.
1837         (rewrite_close_phi_out_of_ssa): New.
1838         (rewrite_phi_out_of_ssa): New.
1839         (rewrite_reductions_out_of_ssa): New.
1840         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1841
1842         * gcc.dg/graphite/id-11.c: New.
1843         * gcc.dg/graphite/id-15.c: New.
1844         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1845         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1846         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1847         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1848         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1849         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1850         * gfortran.dg/graphite/id-13.f: New.
1851         * gfortran.dg/graphite/id-5.f: New.
1852
1853 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1856         check that nb_reductions_in_loop is zero.
1857         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1858         reduction phi nodes.
1859         (nb_reductions_in_loop): Removed.
1860         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1861         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1862         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1863         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1864         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1865
1866 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1867
1868         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1869         statements that have an empty iteration domain.
1870         * gfortran.dg/graphite/id-16.f: New.
1871
1872 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * tree-scalar-evolution.c (instantiate_scev_1): Return
1875         chrec_dont_know when the result is not above instantiate_below.
1876         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1877         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1878         the tree has a known scalar evolution.
1879         * gfortran.dg/graphite/id-14.f: New.
1880         * gfortran.dg/graphite/id-15.f: New.
1881
1882 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1883
1884         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1885         insert_gsi.
1886         (rename_variables): Keep inserting renames after the ones already
1887         inserted.
1888
1889 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-sese-to-poly.c (compare_bb_depths): New.
1892         (graphite_sort_dominated_info): New.
1893         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1894         (build_scop_scattering): Fix comment.
1895
1896 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         * graphite.c (graphite_finalize): Call print_loops instead of
1899         dump_function_to_file.
1900         * gcc.dg/graphite/graphite.exp: Fix formatting.
1901         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1902         loops generated in the graphite output file.
1903         * gcc.dg/graphite/pr35356-2.c: New.
1904         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1905         * gfortran.dg/graphite/id-12.f: New.
1906
1907 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1908
1909         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1910         Remove 2 XFAIL.
1911
1912 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1913             Tobias Grosser  <grosser@fim.uni-passau.de>
1914
1915         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1916         alias set number build alias in ACCESSES polyhedron.
1917         (build_alias_set_for_drs): New.
1918         (build_pbb_drs): Added build_alias_set_for_drs.
1919         * graphite-dependences.c (poly_drs_may_alias_p): New.
1920         (graphite_carried_dependence_level_k): Check alias information
1921         before building polyhedron.
1922
1923 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1924
1925         * Makefile.in (lambda-code.o): Fix formatting.
1926
1927 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1928
1929         * Merge from mainline (r149350-149952)
1930
1931 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1932
1933         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1934         before interchange to prepare for loop blocking.
1935
1936 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1937
1938         * graphite-poly.c (apply_poly_transforms): Add checks after every
1939         transformation.
1940         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1941         done in apply_poly_transforms.
1942
1943 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1944
1945         * graphite-dependences.c (build_lexicographically_gt_constraint):
1946         Replace RES parameter with *RES.
1947         (dependence_polyhedron_1): Pass an address of the parameter RES
1948         instead of value of RES.
1949
1950 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1951
1952         * graphite.c (graphite_finalize): Fix comment.
1953         (graphite_transform_loops): Reset scev info after code generation
1954         of each scop.
1955
1956 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         * graphite.c (graphite_finalize): Call scev_reset.
1959
1960 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1963         GBB_CLOOG_IV_TYPES hash table twice.
1964         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1965         (add_condition_to_domain): Clear GMP values.
1966
1967 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1968
1969         * graphite-dependences.c: Fix formatting.
1970         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1971         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1972         * graphite-sese-to-poly.c: Fix formatting.
1973         * graphite.c (graphite_transform_loops): Create the hash table
1974         after the early return.
1975
1976 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1977
1978         * gcc.dg/graphite/id-14.c: New.
1979         * gcc.dg/graphite/pr40157.c: New.
1980         * gfortran.dg/graphite/id-11.f: New.
1981
1982 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1983
1984         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1985         (build_poly_scop): Return false when there are no pbbs within
1986         loops to avoid to pass to cloog scops with no loops.
1987
1988 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1991         useless test "i % 2".
1992         (build_pbb_scattering_polyhedrons): Fix formatting.
1993         (build_poly_dr): Same.
1994         * graphite.c (graphite_transform_loops): Restructure.
1995
1996 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1997
1998         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1999         reduction_list parameter.
2000         (rewrite_all_phi_nodes_with_iv): Same.
2001         (canonicalize_loop_ivs): Same.
2002         * tree-parloops.c (struct brli): Removed.
2003         (build_reduction_list_info): Removed.
2004         (build_new_reduction): New.
2005         (analyze_reduction_list): Removed.
2006         (gather_scalar_reductions): Find reductions instead of phi
2007         nodes that can't be canonicalized.
2008         (try_create_reduction_list): Remove reduction_list parameter.
2009         (gen_parallel_loop): Same.
2010         (parallelize_loops): Remove analyze_reductions variable,
2011         initialization and free.
2012         Change reduction_list htab initialization to reduction_info
2013         elements instead of ssa names.
2014         Call try_create_reduction_list and gen_parallel_loop without
2015         analyzed_reduction argument.
2016         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2017         canonicalize_loop_ivs with one less argument.
2018         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2019
2020 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2021
2022         * graphite-dependences.c (new_poly_dr_pair): New.
2023         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2024         (new_poly_dr_pair): New.
2025         (eq_poly_dr_pair_p): New.
2026         (hash_poly_dr_pair_p): New.
2027         * graphite-dependences.h (struct poly_dr_pair): New.
2028         (eq_poly_dr_pair_p): Declared.
2029         (hash_poly_dr_pair_p): Declared.
2030         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2031         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2032         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2033         * Makefile.in (graphite-poly.o): Add dependence on
2034         graphite-dependences.h.
2035
2036 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2039         polynomials of degree > 1 pass to Graphite.
2040         * tree-chrec.c (scev_is_linear_expression): Call
2041         evolution_function_is_affine_multivariate_p.
2042         * gfortran.dg/graphite/id-10.f90: New.
2043
2044 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2045
2046         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2047         Instantiate scevs varying in outer loops.
2048         * gfortran.dg/graphite/id-9.f: Correct testcase.
2049
2050 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2053         redundant constraint.
2054
2055 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2056
2057         * gcc.dg/graphite/graphite.exp: Fix comments.
2058         * gfortran.dg/graphite/graphite.exp: Trigger actions
2059         based on the file names as in the C testsuite.
2060         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2061         * gfortran.dg/graphite/block-2.f: Same.
2062         * gfortran.dg/graphite/block-3.f90: Same.
2063         * gfortran.dg/graphite/block-4.f90: Same.
2064         * gfortran.dg/graphite/id-1.f90: Same.
2065         * gfortran.dg/graphite/id-2.f90: Same.
2066         * gfortran.dg/graphite/id-3.f90: Same.
2067         * gfortran.dg/graphite/id-4.f90: Same.
2068         * gfortran.dg/graphite/id-6.f: Same.
2069         * gfortran.dg/graphite/id-9.f: Same.
2070         * gfortran.dg/graphite/interchange-1.f: Same.
2071         * gfortran.dg/graphite/interchange-2.f: Same.
2072         * gfortran.dg/graphite/scop-1.f: Same.
2073
2074 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2075
2076         * sese.c (expand_scalar_variables_call): New.
2077         (expand_scalar_variables_ssa_name): Handle calls in expander.
2078
2079 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2080
2081         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2082         Expect to see the pattern twice.
2083         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2084         * gcc.dg/graphite/interchange-5.c: Same.
2085         * gcc.dg/graphite/interchange-6.c: Same.
2086
2087 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2088
2089         * gcc.dg/graphite/id-10.c: New.
2090         * gcc.dg/graphite/id-12.c: New.
2091         * gfortran.dg/graphite/id-7.f: New.
2092         * gfortran.dg/graphite/id-8.f: New.
2093
2094 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2095
2096         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2097         zero.
2098
2099 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2100
2101         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2102
2103 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2104
2105         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2106
2107 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2110         building PDR subscripts.
2111
2112 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2113
2114         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2115         computation of array sizes.
2116
2117 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2120
2121 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2122
2123         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2124         build_pairwise_constraint, dr_equality_constraints,
2125         build_pairwise_scheduling_equality,
2126         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2127         build_lexicographically_gt_constraint, dependence_polyhedron,
2128         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2129         Move from NNC_Polyhedron to C_Polyhedron.
2130         * graphite-interchange.c (compute_array_size_poly,
2131         gather_access_strides): Dito.
2132         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2133         free_scop, pbb_number_of_iterations): Dito.
2134         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2135         pbb_dim_iter_domain, struct scop): Dito.
2136         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2137         new_Cloog_Domain_from_ppl_Polyhedron,
2138         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2139         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2140         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2141         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2142         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2143         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2144         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2145         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2146         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2147         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2148         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2149         build_scop_iteration_domain, build_poly_dr): Dito
2150
2151 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2154         run-id-*.c files.
2155         * gcc.dg/graphite/run-id-1.c: New.
2156
2157 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2160         positivity constraint on the symbolic number of iterations.
2161
2162 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2163
2164         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2165
2166 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2167             Tobias Grosser  <grosser@fim.uni-passau.de>
2168
2169         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2170         (build_cloog_prog): Directly use SCOP_CONTEXT.
2171         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2172         (free_scop): Free SCOP_CONTEXT.
2173         (print_scop_context): New.
2174         (print_scop): Call print_scop_context.
2175         (debug_scop_context): New.
2176         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2177         (struct scop): Added field context.
2178         (SCOP_CONTEXT): New.
2179         * graphite-sese-to-poly.c (add_param_constraints): New.
2180         (build_scop_context): New.
2181         (build_poly_scop): Call build_scop_context.
2182
2183 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2186         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2187         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2188         * graphite-ppl.h: Include double-int.h and tree.h.
2189         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2190         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2191         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2192         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2193
2194 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2197         POINTER_PLUS_EXPR for pointer types.
2198         (clast_to_gcc_expression): Same.
2199
2200 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * graphite-poly.c (print_scattering_function): Early return when
2203         PBB_TRANSFORMED_SCATTERING is not initialized.
2204         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2205
2206 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2207
2208         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2209         to fix bootstrap.
2210
2211 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2212
2213         * tree-parloops.c (analyze_reduction_list): Change return
2214         value to void.
2215         (try_create_reduction_list): Move the call to
2216         analyze_reduction_list to the beginining.
2217         Call reduction_phi with analyzed_reductions as argument
2218         instead of reduction_list.
2219
2220 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2221
2222         *  Merge from mainline (r148296:149346)
2223
2224 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2225
2226         * graphite-scop-detection.c (graphite_can_represent_init): New.
2227         (graphite_can_represent_scev): Call graphite_can_represent_init:
2228         check that the initial value does not contain multiplications of
2229         parameters.
2230         (stmt_has_simple_data_refs_p): New.
2231         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2232         (is_simple_operand): Fix formatting.
2233         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2234
2235 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * gcc.dg/graphite/id-13.c: New.
2238         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2239         analyze_scalar_evolution, use scalar_evolution_in_region.
2240         (scan_tree_for_params_right_scev): Add extra assert.
2241         (parameter_index_in_region_1): Split from parameter_index_in_region.
2242         (idx_record_params): Use scalar_evolution_in_region.
2243         (find_params_in_bb): Same.
2244         (find_scop_parameters): Same.
2245         (build_loop_iteration_domains): Same.
2246         (create_linear_expr_from_tree): Same.
2247         * sese.c (scalar_evolution_in_region): New.
2248         * sese.h (scalar_evolution_in_region): Declared.
2249         (defined_in_sese_p): New.
2250         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2251         static anymore.
2252         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2253         Declared.
2254
2255 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2256
2257         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2258         TREE_DATA_REF_H also implies SCEV_H.
2259
2260 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2261
2262         * graphite-poly.c (print_scop_params): New.
2263         (print_scop): Call print_scop_params.
2264         (debug_scop_params): New.
2265         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2266
2267 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2268
2269         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2270         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2271         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2272         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2273         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2274         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2275
2276 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2277
2278         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2279         for dependency checking part.
2280         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2281         tests for dependency checking.
2282         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2283         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2284         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2285         flag -fdump-tree-graphite-all for autopar testsuites.
2286
2287 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2288
2289         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2290         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2291         canonicalize_loop_ivs): Moved...
2292         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2293
2294 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * tree-parloops.c (try_create_reduction_list): Pass an extra
2297         argument analyzed_reductions.  Call analyze_reduction_list.
2298         (gen_parallel_loop): Do not call analyze_reduction_list.
2299         (parallelize_loops): Init and finalize analyzed_reductions.
2300
2301 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2302
2303         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2304         Added flag -fno-loop-strip-mine for autopar testcase.
2305
2306 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2307
2308         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2309         transformed scattering dimension instead of unmatch orignal when
2310         calling dependence_polyhedron.
2311
2312 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2315
2316 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2319         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2320
2321 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2322
2323         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2324         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2325         * graphite-poly.c (pbb_number_of_iterations): New.
2326         * graphite-poly.h (pbb_number_of_iterations): Declared.
2327         (pbb_iterator_dim, pbb_parameter_dim): New.
2328
2329 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2330
2331         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2332         last commit on type of lower and upper bound of loops.
2333
2334 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2335
2336         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2337         graphite-dependences.h.
2338         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2339         (mark_bb_with_pbb): New.
2340         (get_stmtfor_depth): New.
2341         (find_pbb_via_hash): New.
2342         (dependency_in_loop_p): New.
2343         (mark_loops_parallel): New.
2344         (free_aux_in_new_loops): New.
2345         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2346         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2347         innermost loop parallel without checking.
2348         (gloog): Add parameter BB_PBB_MAPPING.
2349         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2350         (gloog): Change declaration.
2351         (mark_loop_parallel): Make extern.
2352         (free_aux_in_new_loops): Declare.
2353         (bb_pbb_map_hash): New.
2354         (eq_bb_pbb_map): New.
2355         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2356         auto parallelization when flag_graphite_force_parallel is set.
2357         (graphite_finalize): Added free_aux_in_new_loops.
2358         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2359         the innermost loop that marked parallel.  Use
2360         flag_graphite_force_parallel instead of loop->can_be_parallel.
2361         (loop_parallel_p): Move inner most checking out of function.
2362
2363 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2366         type of lower and upper bound of loops signed long int.
2367
2368 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2369
2370         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2371         expression outside the loop.
2372
2373 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * gcc.dg/graphite/interchange-8.c: New.
2376
2377 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2378
2379         * gcc.dg/graphite/interchange-0.c: XFailed.
2380         * gcc.dg/graphite/interchange-5.c: XFailed.
2381         * gcc.dg/graphite/interchange-6.c: XFailed.
2382
2383 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2384
2385         * graphite-interchange.c (compute_array_size_poly): The end of the
2386         recursion should return 1.
2387
2388 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * graphite-interchange.c (compute_array_size_cstr): Allow the
2391         subscript multiplier to be -1.
2392         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2393         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2394         data_container.  Initializes PDR_DATA_CONTAINER.
2395         (print_pdr_access_layout): New.
2396         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2397         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2398         data_container.
2399         (PDR_DATA_CONTAINER): New.
2400         (new_poly_dr): Update declaration.
2401         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2402         (build_poly_dr): Call pdr_add_data_dimensions.
2403
2404 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2405
2406         * graphite-poly.h (struct poly_dr): Fix comment.
2407         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2408         (pdr_add_memory_accesses): New.
2409         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2410
2411 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2414         (print_pbb): Add call to print_pdrs.
2415         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2416
2417 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2418             Li Feng <nemokingdom@gmail.com>
2419
2420         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2421         (dependency_between_pbbs_p): New.
2422         (lexicographically_gt_p): Assure !empty_p before polyhedron
2423         intersection assign.
2424         (build_lexicographically_gt_constraint): Correct lexicographically
2425         judging.
2426         * graphite-dependences.h: New.
2427         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2428
2429 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2430
2431         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2432         (gloog): Print to dump_file the generated clast.
2433         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2434         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2435
2436 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-poly.c (extend_scattering): Increment
2439         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2440
2441 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * graphite-interchange.c (compute_array_size_poly): Added exit of
2444         recursion condition.  Continue iterating even after the first equality.
2445         (compute_array_size): Same.
2446
2447 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2448
2449         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2450         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2451         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2452         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2453         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2454
2455 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2458         only when the use verifies is_gimple_reg.
2459
2460 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2463         Allocate scaldims after call to unify_scattering_dimensions.
2464
2465 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2468
2469 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2470             Albert Cohen  <albert.cohen@inria.fr>
2471
2472         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2473         variables for the strip mining.
2474
2475 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2476             Pranav Garg  <pranav.garg2107@gmail.com>
2477
2478         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2479         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2480         (graphite-blocking.o): New rule.
2481         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2482         * graphite-blocking.c: New.
2483         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2484         flag_loop_strip_mine.
2485         (psct_scattering_dim_for_loop_depth): New.
2486         * graphite-poly.h (scop_do_strip_mine): Declared.
2487         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2488         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2489         flag_loop_strip_mine.
2490
2491 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2494         a GMP value and a PPL coefficient at each iteration of a loop.
2495
2496 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * graphite-dependences.c (dependence_polyhedron): Do not use
2499         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2500         pbb_nb_scattering_transform.
2501         (graphite_legal_transform_dr): Same.
2502         * graphite-poly.c (extend_scattering): Same.
2503         (unify_scattering_dimensions): Same.
2504         (print_scattering_function): Same.
2505         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2506         PBB_NB_LOCAL_VARIABLES.
2507         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2508         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2509         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2510         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2511         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2512         (pbb_nb_scattering_transform): New.
2513         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2514         (psco_scattering_dim): Add assert on parameters.
2515         (psct_scattering_dim): Same.
2516         (psct_scattering_dim_for_loop_depth): Declared.
2517         (psct_local_var_dim): New.
2518         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2519         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2520         correct layout, call pbb_nb_local_vars.
2521         (psct_add_local_variable, psct_add_scattering_dimension): New.
2522         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2523         Initialize PBB_NB_SCATTERING_TRANSFORM.
2524
2525 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2526
2527         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2528         (set_coef): Renamed ppl_set_coef.
2529         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2530
2531 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2534         test a boolean against 1.
2535         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2536         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2537         (pbb_do_interchange): Returns true when a transform has been performed.
2538         (scop_do_interchange): Same.
2539         * graphite-poly.c (apply_poly_transforms): Use the return value of
2540         scop_do_interchange.
2541         * graphite-poly.h (scop_do_interchange): Update declaration.
2542
2543 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2544
2545         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2546         after last use.
2547         * sese.c (sese_reset_aux_in_loops): New.
2548         * sese.h (sese_reset_aux_in_loops): New.
2549
2550 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2551
2552         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2553         multiplier and multiply the constant by the multiplier.
2554         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2555         (build_poly_dr): Do not use the multiplier to define the subscript.
2556
2557 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2558
2559         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2560         compiler's data reference.  Initialize PDR_CDR.
2561         (print_pdr): Call dump_data_reference.
2562         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2563         Add compiler_dr field.
2564         (PDR_BB): Renamed PDR_PBB.
2565         (PDR_CDR): New.
2566         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2567         GCC's data reference representation.
2568         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2569         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2570
2571 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2572
2573         * graphite-poly.c (print_scattering_function): Also print the layout.
2574         * graphite-poly.h (pbb_nb_local_vars): New.
2575
2576 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2577
2578         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2579
2580 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * graphite-poly.c (print_pdr, debug_pdr): New.
2583         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2584         (PDR_BASE): Removed.
2585
2586 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2589         ltrans-{1..6,8}.c.
2590
2591 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2592
2593         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2594         subscript identification column.
2595         (pbb_do_interchange): Print to dump_file that some loops "will be
2596         interchanged".  Rely on that chain of characters in the testcases.
2597         * gcc.dg/graphite/interchange-0.c: New.
2598         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2599         interchange-*.c files and compile them with -floop-interchange.
2600
2601 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2602
2603         * graphite-interchange.c (interchange_profitable_p): Renamed
2604         pbb_interchange_profitable_p.
2605
2606 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2607             Harsha Jagasia  <harsha.jagasia@amd.com>
2608             Pranav Garg  <pranav.garg2107@gmail.com>
2609
2610         * graphite-interchange.c (interchange_profitable_p): Make static.
2611         (pbb_interchange_loop_depths, pbb_do_interchange,
2612         scop_do_interchange): New.
2613         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2614         for flag_loop_interchange.
2615         * graphite-poly.h (scop_do_interchange): Declared.
2616         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2617         flag_loop_interchange is used.
2618
2619 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * graphite-dependences.c (dependence_polyhedron): Update use of
2622         pbb_nb_scattering_dims.
2623         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2624         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2625         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2626         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2627
2628 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite.c: Cleanup foo.
2631
2632 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2633
2634         * Merge from mainline (r143684:148293).
2635         * Disabled libpcp until it gets fixed.
2636
2637 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2638             Harsha Jagasia  <harsha.jagasia@amd.com>
2639
2640         * graphite-interchange.c: New.
2641         * Makefile.in (graphite-interchange.o): New.
2642         * graphite-poly.h (interchange_profitable_p): Declared.
2643         * graphite-ppl.h (value_max): New.
2644
2645 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2648         * graphite-poly.h: Fix some comments.
2649         (pdr_dim): New.
2650         (pdr_scop): New.
2651
2652 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2653
2654         * graphite-poly.h
2655         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2656         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2657         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2658         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2659         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2660         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2661         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2662         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2663         * graphite-clast-to-gimple.c: Same.
2664         * graphite-dependences.c: Same.
2665         * graphite-poly.c: Same.
2666         * graphite-sese-to-poly.c: Same.
2667
2668 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2669
2670         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2671         expressions for an IV rename, as returned by clast_to_gcc_expression.
2672         (copy_renames): Rename new_name to expr.
2673         * sese.c (debug_rename_elt): Same.
2674         (get_rename): Same.
2675         (set_rename): Same.
2676         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2677         the information from the rename map.
2678         (rename_variables_in_stmt): Same.
2679         (add_loop_exit_phis): Rename new_name to expr.
2680         (insert_loop_close_phis): Same.
2681         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2682         * sese.h (struct rename_map_elt): Rename new_name to expr.
2683         (new_rename_map_elt): Same.
2684
2685 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2686
2687         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2688         * sese.c (set_rename): Make it extern.
2689         * sese.h (set_rename): Declared.
2690
2691 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2692
2693         * graphite-poly.c (extend_scattering): Free values.
2694         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2695         Free iterators.
2696         (ppl_print_powerset_matrix): Same.
2697         * graphite-scop-detection.c (free_scops_1): New.
2698         (limit_scops): Call free_scops_1.
2699         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2700         (build_poly_dr): Free PPL coefficients.
2701         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2702
2703 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2704
2705         * graphite-dependences.c: New.
2706         * graphite-data-ref.c: Removed.
2707         * graphite-data-ref.h: Removed.
2708         * Makefile.in (graphite-data-ref.o): Removed.
2709         (graphite-dependences.o): Added.
2710         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2711         * graphite-poly.c: Same.
2712         Move the data dependence testing to graphite-dependences.c.
2713
2714 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2715
2716         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2717         from graphite_cannot_represent_loop. Code refactored.
2718         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2719
2720 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2721
2722         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2723         Cover all the testcases (not only the filtered ones).
2724
2725 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2726
2727         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2728         unnecessary check. Update comments. Move check for REAL_TYPE here.
2729         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2730         done in (stmt_simple_for_scop_p).
2731
2732 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2733
2734         * graphite.c (print_global_statistics): New.
2735         (print_graphite_scop_statistic): New.
2736         (print_graphite_statistics): New.
2737         (graphite_initialize, graphite_transform_loops): Print statistics.
2738         * graphite-scop-detection (build_scops): Print statistics.
2739         (print_graphite_scop_statistics): New.
2740         (print_graphite_statistics): New.
2741
2742 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2745         (debug_clast_name_index): Removed.
2746         (debug_clast_name_indexes_1): Removed.
2747         (debug_clast_name_indexes): Removed.
2748         (clast_name_index_elt_info): Removed.
2749         (eq_clast_name_indexes): Removed.
2750         (clast_name_to_index): Removed.
2751         (new_clast_name_index): Removed.
2752         (save_clast_name_index): Removed.
2753         (save_var_name): Moved...
2754         (init_sese_params_index): Removed.
2755         (clast_name_to_gcc): Remove use of name_tree.
2756         (initialize_cloog_names): Same.
2757         (gloog): Do not call init_sese_params_index.
2758         * graphite-sese-to-poly.c (save_var_name): ...here.
2759         (parameter_index_in_region): New.
2760         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2761         (parameter_index_in_region): Removed.
2762         (is_parameter): Remove use of name_tree.
2763         * sese.h (struct name_tree): Removed.
2764         (struct sese): Remove use of name_tree.  New field params_names.
2765         (SESE_PARAMS_NAMES): New.
2766         (SESE_PARAMS): Remove duplicate.
2767         (parameter_index_in_region): Removed.
2768         (sese_nb_params): Remove use of name_tree.
2769         (struct clast_name_index): New.
2770         (new_clast_name_index): New.
2771         (clast_name_to_index): New.
2772         (save_clast_name_index): New.
2773         (debug_clast_name_index): New.
2774         (debug_clast_name_indexes_1): New.
2775         (debug_clast_name_indexes): New.
2776         (clast_name_index_elt_info): New.
2777         (eq_clast_name_indexes): New.
2778
2779 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2782         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2783         (graphite_loop_normal_form): Do not pass region.  Do not
2784         initialize SESE_OLDIVS.
2785         (build_graphite_loop_normal_form): Update call to
2786         graphite_loop_normal_form.
2787         * sese.c (debug_oldivs): Removed.
2788         (new_sese): Do not initialize SESE_OLDIVS.
2789         (free_sese): Do not free SESE_OLDIVS.
2790         (oldiv_for_loop): Removed.
2791         * sese.h (struct sese): Remove old_ivs.
2792         (SESE_OLDIVS): Removed.
2793         (oldiv_for_loop): Removed.
2794
2795 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2796
2797         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2798         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2799         replaced by a call to newivs_to_depth_to_newiv.
2800         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2801         (clast_to_gcc_expression_red): Same.
2802         (gcc_type_for_clast_expr): Same.
2803         (gcc_type_for_clast_eq): Same.
2804         (graphite_translate_clast_equation): Same.
2805         (graphite_create_guard_cond_expr): Same.
2806         (graphite_create_new_guard): Same.
2807         (graphite_create_new_loop): Same.
2808         (build_iv_mapping): Same.
2809         (translate_clast): Same.
2810         (gloog): Same.
2811         (loop_iv_stack_patch_for_consts): Removed.  *
2812         sese.c (iv_stack_entry_is_constant): Removed.
2813         (iv_stack_entry_is_iv): Removed.
2814         (loop_iv_stack_push_iv): Removed.
2815         (loop_iv_stack_insert_constant): Removed.
2816         (loop_iv_stack_pop): Removed.
2817         (loop_iv_stack_get_iv): Removed.
2818         (loop_iv_stack_get_iv_from_name): Removed.
2819         (debug_loop_iv_stack): Removed.
2820         (free_loop_iv_stack): Removed.
2821         (loop_iv_stack_remove_constants): Removed.  *
2822         sese.h (iv_stack_entry_kind): Removed.
2823         (iv_stack_entry_data_union): Removed.
2824         (iv_stack_entry_struct): Removed.
2825         (iv_stack_entry_p): Removed.
2826         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2827         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2828         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2829         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2830         (gbb_loop_at_index): Fix indenting.
2831         (gbb_loop_index): Removed.
2832
2833 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2836         Call clast_name_to_index.
2837
2838 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2839
2840         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2841         do not pass params.  Get params from SESE_PARAMS.
2842         (clast_to_gcc_expression): Same.
2843         (clast_to_gcc_expression_red): Same.
2844         (gcc_type_for_clast_eq): Same.
2845         (graphite_translate_clast_equation): Same.
2846         (graphite_create_new_loop): Same.
2847         * sese.c (rename_variables_in_stmt): Fix comment.
2848
2849 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2850
2851         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2852         newivs_index.
2853         Call save_clast_name_index.
2854         (translate_clast): Pass newivs_index.
2855         (gloog): Create and free newivs_index.
2856
2857 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2858
2859         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2860         (clast_name_index_p): New type.
2861         (debug_clast_name_index): New.
2862         (debug_clast_name_indexes_1): New.
2863         (debug_clast_name_indexes): New.
2864         (clast_name_index_elt_info): New.
2865         (eq_clast_name_indexes): New.
2866         (clast_name_to_index): New.
2867         (new_clast_name_index): New.
2868         (save_clast_name_index): New.
2869         (init_sese_params_index): New.
2870         (gloog): Call init_sese_params_index.
2871         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2872         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2873         (free_sese): Free SESE_PARAMS_INDEX.
2874         * sese.h (struct sese): Add params_index.
2875         (SESE_PARAMS_INDEX): New.
2876
2877 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2878
2879         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2880         (graphite_create_new_loop): Pass the newivs vector.  Push the
2881         newly created IV to newivs.
2882         (translate_clast): Pass the newivs vector.
2883         (gloog): Create and destroy the newivs vector.
2884
2885 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2886
2887         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2888         (graphite_loop_normal_form): Initialize loop->aux with the unique
2889         IV that has been created.
2890
2891 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2892
2893         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2894         scev with parameters in the base part. They where forbidden
2895         exidently.
2896
2897 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2898
2899         * gcc.dg/graphite/graphite.exp: Set different default
2900         compile options by file names.
2901         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2902         * gcc.dg/graphite/id-{1-9}.c: Ditto.
2903         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
2904         * gcc.dg/graphite/scop-matmult.c: Ditto.
2905
2906 2009-05-08  Li Feng <nemokingdom@gmail.com>
2907
2908         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2909         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2910         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2911         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2912
2913 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2914
2915         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2916         by final cleanup.
2917
2918 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2919
2920         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2921         allow integer constant strides.
2922         (graphite_can_represent_expr): Depend on outermost_loop.
2923         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2924         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2925         build_scops_1): Same.
2926         (scopdet_basic_block_info): Same and insert layered SCoP
2927         detection.
2928         (try_generate_gimple_bb): Cleanup.
2929         (build_scops): Enable data references.
2930
2931         * gcc.dg/graphite/id-5.c: New.
2932         * gcc.dg/graphite/id-9.c: New.
2933         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2934         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2935
2936 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2937
2938         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2939         that we have not yet built for this SCoP.
2940
2941 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2942
2943         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2944         for complex numbers.
2945
2946 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2947
2948         * graphite-ppl.c: Fix build if cloog is not available.
2949
2950 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2951
2952         * tree-parloops.c (loop_parallel_p): Remove construction of
2953         NITER and REDUCTION_LIST.
2954         (try_get_loop_niter): New.
2955         (try_create_reduction_list): New.
2956         (parallelize_loops): Bypass the failed checkings in autopar
2957         when can_be_parallel in loop structure is set to true.
2958
2959 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2960
2961         * gcc.dg/graphite/id-6.c: Update testcase.
2962         * gcc.dg/graphite/scop-3.c: Dito.
2963
2964 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2965
2966         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2967         Enable EQ_EXPR and NE_EXPR again.
2968
2969 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2970
2971         * graphite-scop-detection.c (graphite_can_represent_scev):
2972         Add check if scev is affine multivariate.
2973         (harmful_stmt_in_bb): Check if we can represent the conditions.
2974         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2975         harmful_stmt_in_bb.
2976         * gcc.dg/graphite/id-7.c: New.
2977
2978 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2979
2980         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2981         Check all bbs in region, not only the bbs that are represented in
2982         GRAPHITE.
2983         (build_poly_scop): Add newline.
2984         * gcc.dg/graphite/id-8.c: New.
2985
2986 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2987
2988         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2989         when loop initialize.
2990         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2991         * common.opt: Declare flag_graphite_force_parallel.
2992         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2993         loop parallel.
2994         * graphite-poly.c (apply_poly_transforms): Introduce
2995         flag_graphite_force_parallel.
2996         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2997         * toplev.c (process_options): ditto and replace a not correctly
2998         encoded space.
2999
3000 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3001
3002         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3003         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3004         to the redefinition.
3005         (compute_cloog_iv_types_1): ditto.
3006         (build_iv_mapping): ditto.
3007         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3008         initialization.
3009         (free_gimple_bb): Removed GBB_LOOPS related free part.
3010         (build_bb_loops): Removed.
3011         * sese.h (struct gimple_bb): Removed loops.
3012         (GBB_LOOPS): Removed.
3013         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3014         (gbb_loop_index): ditto.
3015
3016 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3017
3018         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3019         allow non constant strides.
3020         * gcc.dg/graphite/scop-20.c: New.
3021
3022 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3023
3024         * graphite-scop-detection.c (dot_all_scops): Fix system call
3025         return value warning.
3026         (dot_scop): Same.
3027
3028 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3029
3030         * gcc.dg/graphite/id-6.c: Fix pattern.
3031         * gcc.dg/graphite/scop-3.c: Same.
3032
3033 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3034
3035         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3036         build_pairwise_constraint, dr_equality_constraints,
3037         build_pairwise_scheduling_equality,
3038         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3039         build_lexicographically_gt_constraint, dependence_polyhedron,
3040         graphite_legal_transform_dr, graphite_legal_transform_bb,
3041         graphite_legal_transform): New.
3042         * graphite-poly.h (graphite_legal_transform): Declared.
3043         * graphite-sese-to-poly.c (build_poly_scop): Call to
3044         graphite_legal_transform is disabled for the moment.
3045
3046 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3047
3048         * graphite-poly.h (pbb_nb_scattering_dims): New.
3049         (pbb_nb_scattering): Use it.
3050
3051 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3052
3053         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3054         Pointset_Powerset version of ppl_insert_dimensions.
3055         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3056
3057 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3058
3059         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3060
3061 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3062
3063         * graphite-poly.h: Fix comment.
3064
3065 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3066
3067         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3068
3069 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3070
3071         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3072         statements.
3073
3074 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3075
3076         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3077         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3078         conditions.
3079
3080 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3081
3082         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3083         handle EQ_EXPR and NE_EXPR.
3084
3085 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3086
3087         * graphite-poly.h (poly_dr): Fix comment.
3088
3089 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3090             Tobias Grosser  <grosser@fim.uni-passau.de>
3091
3092         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3093         with a zero dimension polyhedron.
3094         (find_scop_parameters): Move the call to scop_set_nb_params here.
3095         (build_loop_iteration_domains): Store in loop->aux the iteration
3096         domain polyhedron.
3097         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3098         by any loop in scop.
3099         (build_poly_scop): Do not call scop_set_nb_params.
3100
3101 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3102             Tobias Grosser  <grosser@fim.uni-passau.de>
3103
3104         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3105         add_condition_to_domain not GT_EXPR.
3106
3107 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3108
3109         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3110         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3111         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3112         upper_bound_assign to calculate unions.
3113         * gcc.dg/graphite/id-6.c: New.
3114
3115 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3116
3117         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3118         handle abnormal edges.
3119
3120 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3121
3122         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3123         (free_poly_bb): Also free poly_drs.
3124         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3125         (poly_dr): Polyhedron to Pointset_Powerset.
3126         (pdr_accessp_nb_subscripts): Same.
3127         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3128         poly_drs.
3129
3130 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3131
3132         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3133         names into more meaningful names.
3134
3135 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3136
3137         * gfortran.dg/graphite/interchange-1.c: New.
3138         * gfortran.dg/graphite/interchange-2.c: New.
3139
3140 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3143         the reduction_list.
3144         * tree-parloops.c (rewrite_phi_with_iv): New.
3145         (rewrite_all_phi_nodes_with_iv): New.
3146         (canonicalize_loop_ivs): Call them.
3147
3148 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3151         graphite_find_data_references_in_stmt.
3152         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3153         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3154
3155 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3156
3157         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3158
3159 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3160
3161         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3162         instead of bb_in_region.
3163         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3164         (build_sese_conditions): Use flag_bb_in_sese.
3165         * sese.c (register_bb_in_sese): Removed.
3166         (new_sese): Remove initialization of SESE_REGION_BBS.
3167         (free_sese): Do not free SESE_REGION_BBS.
3168         * sese.h (struct sese): Remove field region_basic_blocks.
3169         (SESE_REGION_BBS): Removed.
3170         (bb_in_sese_p): Implement in function of bb_in_region.
3171
3172 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3173
3174         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3175         loops.
3176
3177 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3178
3179         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3180         and EQ_EXPR.
3181         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3182         (add_condition_to_domain): New.
3183         (add_condition_to_pbb): New.
3184         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3185         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3186
3187 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3188
3189         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3190         ppl_Pointset_Powerset.
3191         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3192         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3193         (pbb_nb_loops): Same.
3194         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3195         add_conditions_to_domain): Same.
3196         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3197         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3198         ppl_const_Polyhedron_t.
3199         (ppl_print_powerset_matrix): New.
3200         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3201         ppl_print_powerset_matrix): New.
3202         (ppl_print_polyhedron_matrix): Updated.
3203
3204 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3207
3208 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3211         (print_iteration_domains, debug_iteration_domain,
3212         debug_iteration_domains): New.
3213         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3214         debug_iteration_domains): Declared.
3215         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3216         indenting.
3217
3218 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3219             Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * graphite-poly.h (print_iteration_domain): New.
3222         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3223         (build_sese_conditions_1, build_sese_conditions_after,
3224         build_sese_conditions_before): New.
3225         (build_sese_conditions): Rewritten.
3226
3227 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3228             Tobias Grosser  <grosser@fim.uni-passau.de>
3229
3230         Cleanup of code generation liveouts.
3231         * graphite-clast-to-gimple.c (translate_clast): Use a single
3232         rename_map instead of one per translated statement.
3233         Do not use SESE_LIVEOUT_RENAMES.
3234         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3235         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3236         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3237         phi node of a reduction: when a loop contains a reduction used outside
3238         the loop, there should be a scalar close phi node on the exit block.
3239         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3240         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3241         (free_sese): Do not free them.
3242         (sese_build_liveouts_use): Do not use them.
3243         (sese_build_liveouts_bb): Same.
3244         (sese_build_liveouts): Same.
3245         (sese_insert_phis_for_liveouts): Same.
3246         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3247         (defined_in_loop_p): New.
3248         (alive_after_loop): New.
3249         (close_phi_not_yet_inserted_p): New.
3250         (struct alep, alep_p): New.
3251         (add_loop_exit_phis): Remove from the rename_map all the names defined
3252         in the code generated loop.
3253         (insert_loop_close_phis): Traverse the rename_map passed to it.
3254         Don't use SESE_LIVEOUT_RENAMES.
3255         (default_liveout_before_guard): Renamed default_before_guard.
3256         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3257         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3258         (register_sese_liveout_renames): Removed.
3259         (copy_bb_and_scalar_dependences): Do not call it.
3260         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3261         reduction_list.
3262         (SESE_LIVEOUT): Removed.
3263         (SESE_LIVEOUT_RENAMES): Removed.
3264         (SESE_REDUCTION_LIST): Removed.
3265         (sese_build_liveouts): Removed.
3266         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3267         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3268         (insert_guard_phis): Same.
3269         (rename_map_elt): Declare a VEC of them.
3270         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3271         trees not pointers to trees.
3272
3273         Rewrite in canonical close SSA form:
3274         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3275         (limit_scops): Close the scop after the block containing the close phi
3276         nodes.
3277         (canonicalize_loop_closed_ssa): New.
3278         (canonicalize_loop_closed_ssa_form): New.
3279         (build_scops): Call canonicalize_loop_closed_ssa_form.
3280
3281         * graphite-sese-to-poly.c: Fix typos.
3282
3283 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3286         Extended.
3287         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3288         (print_pbb): Add conditions.
3289
3290 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3291             Sebastian Pop  <sebastian.pop@amd.com>
3292
3293         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3294         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3295         (build_scop_bbs_1): New.
3296         (build_scop_bbs): Rewrite.
3297         * sese.h (bb_in_region): New.
3298
3299 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3300
3301         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3302         poly_drs vector.
3303         (print_scop): Style.
3304         * graphite-poly.h (poly_bb): Add drs vector.
3305         (PBB_DRS): Add accessor.
3306         * graphite-sese-to-poly.c (build_poly_dr): New.
3307         (build_pbb_drs, build_scop_drs): New.
3308         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3309
3310 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3311
3312         * tree-ssa-loop.c: Include forgotten toplev.h
3313
3314 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3315
3316         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3317         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3318         * gcc.dg/graphite/pr37928.c: Same
3319         * gcc.dg/graphite/pr38409.c: Same
3320         * gcc.dg/graphite/pr38498.c: Same
3321         * gcc.dg/graphite/pr38559.c: Same
3322         * gcc.dg/graphite/pr39335.c: Same
3323         * gcc.dg/graphite/pr39335_1.c: Same
3324         * gfortran.dg/graphite/block-2.f: Same
3325         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3326         with -floop-*.
3327
3328 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3329
3330         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3331         build_access_matrix, build_scop_data_accesses): Remove access function
3332         building. (We get a new version soon).
3333         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3334         * sese.h (nb_loops_around_loop_in_sese): Remove.
3335         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3336
3337 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3338             Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * graphite-scop-detection.c (struct scopdet_info): Rename last
3341         field to exit.
3342         (scopdet_basic_block_info, build_scops_1): Don't use
3343         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3344
3345 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3346             Sebastian Pop  <sebastian.pop@amd.com>
3347
3348         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3349         * sese.c (sese_build_liveouts_use): Renamed from
3350         sese_build_livein_liveouts_use. Remove liveins.
3351         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3352         Call sese_build_liveouts_use.
3353         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3354         Call sese_build_liveouts_bb.
3355         (new_sese, free_sese): Remove liveins.
3356         (sese_add_exit_phis_var): Deleted.
3357         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3358         directly.
3359         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3360
3361         * sese.h (sese): Remove num_ver and livein.
3362         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3363
3364 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3365
3366         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3367
3368 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3369
3370         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3371         (build_scop_scattering): Do not use compare_prefix_loops any more.
3372         (nb_common_loops): New.
3373
3374 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3375
3376         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3377         (register_old_and_new_names): Renamed set_rename.
3378
3379 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3380
3381         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3382         of the decl from the previous commit.
3383
3384 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         * graphite-scop-detection.c (dot_scop): New.
3387         * graphite-scop-detection.h (dot_scop): Declared.
3388
3389 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3390
3391         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3392
3393 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3394
3395         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3396         condition at the end of the loop.
3397         * graphite.c (graphite_initialize, graphite_finalize): Print to
3398         dump_file the compiled function.
3399         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3400         of create_empty_loop_on_edge.
3401         (translate_clast): Update the code generation of loops for the new
3402         shape of loops.
3403         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3404
3405 2009-03-24  Se