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Add testcase for PR43351.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
1 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2
3         PR middle-end/43351
4         * gcc.dg/graphite/id-pr43351.c
5
6 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7
8         PR middle-end/43354
9         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
10         call insert_out_of_ssa_copy for default definitions.
11         * gfortran.dg/graphite/id-pr43354.f: New.
12
13 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
14
15         PR middle-end/43349
16         * gfortran.dg/graphite/pr43349.f: New.
17
18 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
19
20         * graphite-clast-to-gimple.c (my_long_long): Defined.
21         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
22         * graphite-sese-to-poly.c (my_long_long): Defined.
23         (scop_ivs_can_be_represented): Use it.
24
25 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
26
27         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
28         graphite-max-bbs-per-function, and loop-block-tile-size.
29         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
30         with "maximum".
31         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
32
33 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
34
35         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
36         forward declaration.
37         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
38         (add_upper_bounds_from_estimated_nit): New.
39         (build_loop_iteration_domains): Use it.
40
41 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
42
43         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
44
45 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
46
47         PR middle-end/43306
48         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
49         should be an INTEGER_CST.  Also handle CASE_CONVERT.
50         * gcc.dg/graphite/pr43306.c: New.
51
52 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
53
54         * graphite.c (graphite_initialize): To bound the number of bbs per
55         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
56         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
57         * doc/invoke.texi: Document it.
58
59 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
60
61         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
62         * graphite-sese-to-poly.h (build_poly_scop): Same.
63
64 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
65
66         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
67         the number of parameters in the scop.  Use as an upper bound
68         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
69         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
70         * doc/invoke.texi: Document it.
71
72 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
73
74         * graphite-sese-to-poly.c (add_param_constraints): Use
75         lower_bound_in_type and upper_bound_in_type.
76
77 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
78
79         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
80         instead of unsigned_type_node.
81
82 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
83             Reza Yazdani  <reza.yazdani@amd.com>
84
85         PR middle-end/43065
86         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
87         on pointer type parameters.
88
89         * gcc.dg/graphite/run-id-4.c: New.
90
91 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
92
93         PR middle-end/43065
94         * gcc.dg/graphite/run-id-3.c: New.
95
96 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
97             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
98
99         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
100         handle conversions from pointer to integers.
101         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
102         induction variable, to be able to work with code generated by CLooG.
103         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
104         (build_poly_scop): Bail out if we cannot codegen a loop.
105
106 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
107
108         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
109         code generation with gloog_error.
110
111 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
112
113         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
114         Call fold_convert on all the returned values.
115         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
116         the type of the resulting expression.
117
118 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
119
120         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
121         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
122         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
123
124 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
125
126         * graphite-dependences.c (map_into_dep_poly): Removed.
127         (dependence_polyhedron_1): Use combine_context_id_scat.
128
129 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
130
131         * graphite-poly.h (struct poly_scattering): Add layout documentation.
132         (struct poly_bb): Same.
133         (combine_context_id_scat): New.
134
135 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
136
137         PR middle-end/42326
138         * sese.c (name_defined_in_loop_p): Return false for default
139         definitions.
140
141         * gcc.dg/graphite/pr42326.c: New.
142
143 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
144
145         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
146         and clean up the logic.
147
148 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
149
150         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
151         early return.
152
153 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
154
155         PR middle-end/43083
156         * graphite-scop-detection.c (create_single_exit_edge): Move
157         the call to find_single_exit_edge to....
158         (create_sese_edges): ...here.  Don't handle multiple edges
159         exiting the function.
160         (build_graphite_scops): Don't handle multiple edges
161         exiting the function.
162
163         * gcc.dg/graphite/pr43083.c: New.
164
165 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
166
167         PR middle-end/43097
168         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
169         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
170
171         * gfortran.dg/graphite/pr43097.f: New.
172
173 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
174             Manuel López-Ibáñez  <manu@gcc.gnu.org>
175
176         PR middle-end/43140
177         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
178
179 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
180
181         PR middle-end/43026
182         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
183
184         * g++.dg/graphite/pr43026.C: New.
185
186 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
187
188         * Merge from mainline (154736:156693).
189
190 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
191
192         PR middle-end/43012
193         * gcc.dg/graphite/pr43012.c: New.
194
195 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
196
197         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
198 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
199
200         * g++.dg/graphite/pr42930.C: New.
201
202 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
203
204         PR middle-end/42930
205         * graphite-scop-detection.c (graphite_can_represent_scev): Call
206         graphite_can_represent_init for MULT_EXPR.
207
208 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
209
210         PR middle-end/42914
211         PR middle-end/42530
212         * graphite-sese-to-poly.c (remove_phi): New.
213         (translate_scalar_reduction_to_array): Call remove_phi.
214
215         * gcc.dg/graphite/pr42530.c: New.
216         * gcc.dg/graphite/pr42914.c: New.
217
218 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
219
220         PR middle-end/42771
221         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
222         * graphite-clast-to-gimple.h (gloog): Update declaration.
223         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
224         * graphite-poly.h (struct poly_bb): Add missing comments.
225         (struct scop): Add poly_scop_p field.
226         (POLY_SCOP_P): New.
227         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
228         * graphite.c (graphite_transform_loops): Build the polyhedral
229         representation for each scop before code generation.
230         * sese.c (rename_variables_in_operand): Removed.
231         (rename_variables_in_expr): Return the renamed expression.
232         (rename_sese_parameters): New.
233         * sese.h (rename_sese_parameters): Declared.
234
235         * gcc.dg/graphite/pr42771.c: New.
236
237 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
238
239         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
240         return 0 from main.
241         * gcc.dg/graphite/block-1.c: Same.
242         * gcc.dg/graphite/block-3.c: Same.
243         * gcc.dg/graphite/block-4.c: Same.
244         * gcc.dg/graphite/block-5.c: Same.
245         * gcc.dg/graphite/block-6.c: Same.
246         * gcc.dg/graphite/block-7.c: Same.
247         * gcc.dg/graphite/interchange-0.c: Same.
248         * gcc.dg/graphite/interchange-1.c: Same.
249         * gcc.dg/graphite/interchange-10.c: Same.
250         * gcc.dg/graphite/interchange-11.c: Same.
251         * gcc.dg/graphite/interchange-12.c: Same.
252         * gcc.dg/graphite/interchange-2.c: Same.
253         * gcc.dg/graphite/interchange-3.c: Same.
254         * gcc.dg/graphite/interchange-4.c: Same.
255         * gcc.dg/graphite/interchange-5.c: Same.
256         * gcc.dg/graphite/interchange-6.c: Same.
257         * gcc.dg/graphite/interchange-7.c: Same.
258         * gcc.dg/graphite/interchange-8.c: Same.
259         * gcc.dg/graphite/interchange-9.c: Same.
260         * gcc.dg/graphite/interchange-mvt.c: Same.
261
262 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
263
264         * gfortran.dg/graphite/id-19.f: New.
265         * gfortran.dg/graphite/pr14741.f90: New.
266         * gfortran.dg/graphite/pr41924.f90: New.
267         * gfortran.dg/graphite/run-id-2.f90: New.
268
269 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
270
271         PR middle-end/42988
272         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
273         to unknown_dependence.
274         (graphite_legal_transform_dr): Handle the unknown_dependence.
275         (graphite_carried_dependence_level_k): Same.
276
277 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
278
279         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
280
281 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
282             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
283
284         PR middle-end/42637
285         * graphite-dependences.c (build_lexicographical_constraint): Return
286         a union of dependence polyhedra.
287         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
288
289         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
290         * gcc.dg/graphite/block-4.c: Same.
291         * gcc.dg/graphite/block-7.c: Same.
292         * gcc.dg/graphite/interchange-12.c: Same.
293         * gcc.dg/graphite/interchange-mvt.c: Same.
294         * gfortran.dg/graphite/interchange-1.f: XFAILed.
295         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
296         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
297
298 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
299
300         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
301         the execution check to FAIL.  This testcase is miscompiled by Graphite
302         and the check should be re-enabled.
303         * gcc.dg/graphite/interchange-mvt.c: Same.
304         * gcc.dg/graphite/block-0.c: Same.
305         * gcc.dg/graphite/block-4.c: Same.
306         * gcc.dg/graphite/block-7.c: Same.
307
308 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
309
310         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
311         * gcc.dg/graphite/scop-0.c: Fix spaces.
312         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
313         * gfortran.dg/graphite/block-2.f: Same.
314         * gfortran.dg/graphite/block-3.f90: Same.
315         * gfortran.dg/graphite/block-4.f90: Same.
316         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
317         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
318
319 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
320
321         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
322         PDDR_ORIGINAL_SCATTERING_P.
323         (pddr_is_empty): Rewritten.
324         (print_dependence_polyhedron_layout): New.
325         (print_pddr): New.
326         (debug_pddr): New.
327         (build_alias_set_powerset): Moved up.
328         (poly_drs_may_alias_p): Moved up.
329         (lexicographically_gt_p): Removed.
330         (build_lexicographically_gt_constraint): Renamed
331         build_lexicographical_constraint, reimplemented.
332         (dependence_polyhedron_1): Simplified parameters.
333         (dependence_polyhedron): Same.  Keep along empty PDDRs
334         to make efficient use of the cache.
335         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
336         (graphite_legal_transform_dr): Rewritten.
337         (graphite_legal_transform_bb): Pass fewer arguments to
338         graphite_legal_transform_dr.
339         (graphite_carried_dependence_level_k): Simplified implementation.
340         (dot_original_deps_stmt_1): Call dependence_polyhedron.
341         (dot_transformed_deps_stmt_1): Same.
342         (dot_original_deps): Same.
343         (dot_transformed_deps): Same.
344         * graphite-dependences.h (struct poly_ddr): Added a new field
345         original_scattering_p.
346         (PDDR_ORIGINAL_SCATTERING_P): New.
347         (print_pddr): Declared.
348         (debug_pddr): Declared.
349         * graphite-ppl.c: Clarify comment.
350         * sese.h (print_gimple_bb): Removed unused declaration.
351         (debug_gbb): Same.
352
353 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
354
355         * g++.dg/graphite/graphite.exp: Rewritten.
356         * gcc.dg/graphite/graphite.exp: Rewritten.
357         * gfortran.dg/graphite/graphite.exp: Rewritten.
358         * gcc.dg/graphite/block-0.c: Added runtime test.
359         * gcc.dg/graphite/block-1.c: Same.
360         * gcc.dg/graphite/block-3.c: Same.
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         * gcc.dg/graphite/block-7.c: Same.
365         * gcc.dg/graphite/interchange-0.c: Same.
366         * gcc.dg/graphite/interchange-1.c: Same.
367         * gcc.dg/graphite/interchange-10.c: Same.
368         * gcc.dg/graphite/interchange-11.c: Same.
369         * gcc.dg/graphite/interchange-12.c: Same.
370         * gcc.dg/graphite/interchange-2.c: Same.
371         * gcc.dg/graphite/interchange-3.c: Same.
372         * gcc.dg/graphite/interchange-4.c: Same.
373         * gcc.dg/graphite/interchange-5.c: Same.
374         * gcc.dg/graphite/interchange-6.c: Same.
375         * gcc.dg/graphite/interchange-7.c: Same.
376         * gcc.dg/graphite/interchange-8.c: Same.
377         * gcc.dg/graphite/interchange-9.c: Same.
378         * gcc.dg/graphite/interchange-mvt.c: Same.
379         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
380
381 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
382
383         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
384           background.
385
386 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
387
388         * common.opt: Add -fgraphite-cloog-opts.
389         * graphite-clast-to-gimple.c (set_cloog_options): Same.
390         * opts.c (decode_options): Same.
391
392 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
393
394         * gcc.dg/graphite/id-17.c: New.
395         * gcc.dg/graphite/pr41888.c: New.
396         * gcc.dg/graphite/scop-22.c: New.
397         * gfortran.dg/graphite/pr40982.f90: New.
398
399 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
400
401         * graphite-dependences.c: Clarify comments.
402         (build_pddr): Add an extra parameter direction.
403         (graphite_legal_transform_dr): Use build_pddr.
404         (dot_original_deps_stmt_1): Update use of build_pddr.
405         (dot_transformed_deps_stmt_1): Same.
406         (dot_original_deps): Same.
407         (dot_transformed_deps): Same.
408
409         * gcc.dg/graphite/interchange-12.c: New.
410         * gcc.dg/graphite/block-7.c: New.
411
412 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
413
414         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
415         (pddr_transformed_scattering): Removed.
416         (graphite_legal_transform_dr): Use build_pddr.
417         (dot_original_deps_stmt_1): Same.
418         (dot_transformed_deps_stmt_1): Same.
419         (dot_original_deps): Same.
420         (dot_transformed_deps): Same.
421
422 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
423
424         * graphite-dependences.c (lexicographically_gt_p): Add comments.
425         (build_lexicographically_gt_constraint): Same.
426         (dependence_polyhedron_1): Same.
427         (dependence_polyhedron): Same.
428
429 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
430
431         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
432         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
433         (lexicographically_gt_p): Change type of direction to int.
434         (build_lexicographically_gt_constraint): Same.
435         (dependence_polyhedron_1): Same.
436         (dependence_polyhedron): Same.
437         (pddr_original_scattering): Use integers for direction.
438         (pddr_transformed_scattering): Same.
439         (graphite_legal_transform_dr): Same.
440         (graphite_carried_dependence_level_k): Same.
441
442 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
443
444         * graphite-dependences.c (build_pairwise_constraint): Renamed
445         ppl_build_relation.  Moved...
446         (dr_equality_constraints): Use ppl_build_relation.
447         (build_pairwise_scheduling_equality): Same.
448         (build_pairwise_scheduling_inequality): Same.
449         * graphite-ppl.c (ppl_build_relation): ...here.
450         * graphite-ppl.h (ppl_build_relation): Declared.
451
452 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
453
454         PR middle-end/42681
455         * graphite-clast-to-gimple.c (gloog_error): New static variable.
456         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
457         Set gloog_error when such an expression failed to be built.
458         (translate_clast): Early return when gloog_error is set.
459         (gloog): Clear gloog_error.  When gloog_error is set, call
460         set_ifsese_condition to enable the original code.  Return the status
461         of the code generation based on gloog_error.
462         * sese.c (set_ifsese_condition): New.
463         * sese.h (set_ifsese_condition): Declared.
464
465         * g++.dg/graphite/pr42681.C: New.
466
467 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
468
469         PR middle-end/42732
470         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
471         rename_nb_iterations.
472         * sese.c (rename_variables_in_operand): New.
473         (rename_variables_in_expr): New.
474         (rename_nb_iterations): New.
475         (sese_adjust_liveout_phis): Update the rename_map.
476         * sese.h (rename_nb_iterations): Declared.
477         * tree-scalar-evolution.c (scev_reset_htab): New.
478         (scev_reset): Call scev_reset_htab.
479         * tree-scalar-evolution.h (scev_reset_htab): Declared.
480
481         * gfortran.dg/graphite/pr42732.f: New.
482
483 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
484
485         PR middle-end/42393
486         * graphite-clast-to-gimple.c: Fix formatting.
487         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
488         (expr_defined_in_loop_p): New.
489         (add_loop_exit_phis): Also handle full expressions: remove from
490         the rename_map the expressions defined in the loop that we're closing.
491
492         * gfortran.dg/graphite/pr42393-1.f90: New.
493         * gfortran.dg/graphite/pr42393.f90: Add new flags
494         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
495         make this testcase useful in the Graphite branch.
496
497 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
498
499         * graphite-scop-detection.c (exclude_component_ref): Removed.
500         (is_simple_operand): Removed.
501         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
502
503 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
504
505         PR middle-end/42221
506         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
507         the array indexing of ADDR_EXPRs.
508
509         * gcc.dg/graphite/pr42221.c: New.
510
511 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
512
513         PR middle-end/42521
514         * graphite.c (graphite_finalize): Call scev_reset.
515         (graphite_transform_loops): Do not call scev_reset between the code
516         generation of scops.
517
518         * gcc.dg/graphite/pr42521.c: New.
519
520 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
521
522         * graphite-interchange.c (memory_stride_in_loop): Renamed
523         pdr_stride_in_loop.
524         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
525         (memory_strides_in_loop): Memoize the memory strides per loop.
526         (lst_interchange_profitable_p): Do not initialize to zero the memory
527         strides.
528         * graphite-poly.h (struct lst): Add a field memory_strides.
529         (LST_LOOP_MEMORY_STRIDES): New.
530         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
531         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
532
533 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
534
535         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
536         memory_strides_in_loop.  Gather memory strides on a whole loop.
537         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
538         (lst_interchange_profitable_p): Removed.
539         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
540
541 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
542
543         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
544         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
545         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
546         Remove context_loop and level.
547
548 2010-01-07  Richard Guenther  <rguenther@suse.de>
549
550         PR tree-optimization/42641
551         * sese.c (rename_map_elt_info): Use the SSA name version, do
552         not hash pointers.
553
554 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
555
556         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
557         blocked" only when both the strip mine and the interchange have
558         been applied.
559
560         * gcc.dg/graphite/block-2.c: Removed.
561         * gcc.dg/graphite/block-3.c: Add scan pattern.
562         * gcc.dg/graphite/block-4.c: Same.
563         * gcc.dg/graphite/block-5.c: Same.
564         * gcc.dg/graphite/block-6.c: Same.
565
566 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
567
568         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
569         before allocating a new one.
570         (copy_renames): Check that slot is not NULL.
571         (mark_bb_with_pbb): Same.
572         (compute_cloog_iv_types_1): Same.
573         * graphite-interchange.c (lst_perfect_nestify): Free the before,
574         nest, and after LSTs.
575         (lst_try_interchange_loops): Same.
576
577 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
578
579         PR middle-end/42178
580         * graphite-interchange.c (lst_try_interchange_loops): Do not return
581         the before, nest, and after LSTs.
582         (lst_try_interchange): Removed.
583         (lst_interchange_select_inner): Do not iterate over the LSTs if they
584         were modified.
585         (lst_interchange_select_outer): Apply interchange on the outer loop
586         until there are no more changes in the inner loops.
587
588 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
589
590         Revert patch fixing PR middle-end/42221.
591
592 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
593
594         PR middle-end/42180
595         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
596         GIMPLE_CALL.
597
598         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
599
600 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
601
602         PR middle-end/42180
603         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
604         that contain only one statement.
605
606         * gfortran.dg/graphite/pr42180.f90: New.
607
608 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
609
610         PR middle-end/42393
611         * gfortran.dg/graphite/pr42393.f90: New.
612
613 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
614
615         PR middle-end/42186
616         * gfortran.dg/graphite/pr42186.f90: New.
617
618 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
619
620         PR middle-end/42205
621         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
622         Insert the reduction copy in the same block as the phi node.
623         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
624
625         * gcc.dg/graphite/pr42205-1.c: New.
626         * gcc.dg/graphite/pr42205-2.c: New.
627
628 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
629
630         PR middle-end/42221
631         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
632         the array indexing of ADDR_EXPRs.
633
634         * gcc.dg/graphite/pr42221.c: New.
635
636 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
637
638         PR middle-end/42178
639         PR middle-end/42334
640         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
641         index.  Call lst_interchange_select_inner only once.
642         (lst_interchange_select_inner): Update use of lst_try_interchange.
643         (lst_interchange_select_outer): Update.
644
645 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
646
647         PR middle-end/42178
648         PR middle-end/42334
649         * graphite-interchange.c (lst_try_interchange): Do not increment the
650         the OUTER index when there is no AFTER kernel.  Do not increment the
651         OUTER index for after processing the AFTER kernel.
652         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
653         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
654         index.  Do not pass to lst_interchange_select_inner the OUTER index.
655         (scop_do_interchange): Update use of lst_interchange_select_outer.
656
657         * gfortran.dg/graphite/graphite.exp
658         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
659         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
660         the graphite dump file.
661         * gfortran.dg/graphite/interchange-2.f: Same.
662         * gfortran.dg/graphite/pr42334-1.f: New.
663
664 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
665
666         PR middle-end/42178
667         PR middle-end/42334
668         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
669         that are empty.
670         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
671         (lst_try_interchange): Reimplemented.
672         (lst_interchange_select_inner): Same.
673         (lst_do_interchange): Renamed lst_interchange_select_outer.
674         Reimplemented.
675         (scop_do_interchange): Update use of lst_interchange_select_outer.
676
677         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
678         * gcc.dg/graphite/block-0.c: Un-XFAILed.
679         * gcc.dg/graphite/pr42211.c: New.
680         * gfortran.dg/graphite/pr42334.f90: New.
681
682 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
683
684         PR middle-end/42181
685         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
686         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
687
688         * gfortran.dg/graphite/pr42181.f90: New.
689
690 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
691
692         PR middle-end/42284
693         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
694         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
695         (detect_commutative_reduction_arg): Simplified.
696         (detect_commutative_reduction): Early return when the argument of
697         the close phi is not of an SSA_NAME.
698
699         * gcc.dg/graphite/pr42284.c: New.
700
701 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
702
703         * dbgcnt.def (graphite_scop): New counter.
704         * graphite.c: Include dbgcnt.h
705         (graphite_transform_loops): Use new counter to limit transformations.
706
707 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
708
709         PR middle-end/42285
710         * graphite-scop-detection.c (graphite_can_represent_init): Also
711         handle more complex MULT_EXPRs containing parameters by recursion
712         on the structure.
713
714         * gfortran.dg/graphite/pr42285.f90: New.
715
716 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
717
718         * g++.dg/graphite/pr42130.C: Fix type.
719
720 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
721
722         * g++.dg/graphite/pr42130.C: Correct testcase.
723
724 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
725
726         * Merge from mainline (154493:154734).
727
728 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
729
730         * Merge from mainline (151362:154491).
731
732 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
733
734         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
735         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
736
737 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
738
739         PR middle-end/42130
740         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
741         translate_clast_for_loop): New.
742         (translate_clast_for): Add a condition around the loop, to do not
743         execute loops with zero iterations.
744         * g++.dg/graphite/pr42130.C: New.
745         * gcc.dg/graphite/pr35356-2.c: Adapt.
746
747 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
748
749         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
750         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
751         Remove context_loop and level.
752
753 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
754
755         * graphite-clast-to-gimple.c (translate_clast_user,
756         translate_clast_for, translate_clast_guard): Simplify and move common
757         elements to translate_clast().
758         (translate_clast): Simplify and get common elements.
759
760 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
761
762         * graphite-clast-to-gimple.c (translate_clast_user,
763         translate_clast_for, translate_clast_guard): Split out of
764         translate_clast.
765
766 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
767
768         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
769         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
770         debug_clast_name_indexes_1, debug_clast_name_indexes,
771         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
772         (clast_name_to_gcc, clast_to_gcc_expression,
773         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
774         gcc_type_for_clast_eq, graphite_translate_clast_equation,
775         graphite_create_guard_cond_expr, graphite_create_new_loop,
776         translate_clast): Add params_index.
777         (initialize_cloog_names): Create parameter strings from scratch, do
778         not reference other strings.
779         (create_params_index): New.
780         (gloog): Initialize params_index.
781         * graphite-scop-detection (free_scops_1): Removed.
782         (limit_scops): Use normal free_scops.
783         * graphite-sese-to-poly.c (save_var_names): Removed.
784         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
785         and SESE_PARAMS_INDEX.
786         * sese.c (new_sese, free_sese): Dito.
787         * sese.h (struct sese): Remove params_index, params_names.
788         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
789
790 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
791
792         Revert the following patch from 2009-09-14:
793         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
794         tree-scalar-evolution.h, and then tree-data-ref.h.
795         * graphite-clast-to-gimple.c: Same.
796         * graphite-dependences.c: Same.
797         * graphite-interchange.c: Same.
798         * graphite-poly.c: Same.
799         * graphite-scop-detection.c: Same.
800         * graphite-sese-to-poly.c: Same.
801         * graphite.c: Same.
802         * lambda-code.c: Same.
803         * matrix-reorg.c: Same.
804         * tree-data-ref.c: Same.
805         * tree-if-conv.c: Same.
806         * tree-loop-distribu: Same.: Same.
807         * tree-loop-linear.c: Same.
808         * tree-parloops.c: Same.
809         * tree-predcom.c: Same.
810         * tree-vect-patterns.c: Same.
811
812 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
813
814         Revert patch from 2009-09-14.
815         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
816         passes at -O1 and below.
817
818 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
819
820         PR middle-end/40281
821         * gcc.dg/graphite/pr40281.c: New.
822
823         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
824         evolutions should not variate in inner loops.
825
826 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
827
828         PR middle-end/42050
829         * gfortran.dg/graphite/pr42050.f90: New.
830
831 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
832
833         * graphite-interchange.c (memory_strides_in_loop_depth): New.
834         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
835
836 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
837
838         * graphite-blocking.c (scop_do_block): New.
839         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
840         * graphite-poly.h (scop_do_block): Declared.
841
842 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
843
844         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
845         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
846         to transform depth into the time_depth before calling
847         pbb_number_of_iterations_at_time.
848         (lst_do_strip_mine): Use a scalar variable instead of recomputing
849         lst_depth.
850
851 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
852
853         Reverted the patch for "scattering permutations" from 2009-10-28.
854
855         * graphite-poly.c (print_permutation): New.
856         (debug_permutation): New.
857         (new_poly_bb): Initialize PBB_PERMUTATION.
858         (free_poly_bb): Free PBB_PERMUTATION.
859         * graphite-poly.h (pbb_permutation_elt_p): Declared.
860         (struct pbb_permutation_elt): New.
861         (PBB_PERMUTATION_ELT_STRIDE): New.
862         (PBB_PERMUTATION_ELT_STRIDED_P): New.
863         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
864         (new_pbb_permutation_elt): New.
865         (pbb_permutation_elt_free): New.
866         (struct poly_bb): Add field permutation.
867         (PBB_PERMUTATION): New.
868         (print_permutation): Declared.
869         (debug_permutation): Declared.
870
871 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
872
873         * graphite-interchange.c (build_partial_difference): New.
874         (memory_stride_in_loop): Refactored the computation of
875         equality constraints into build_partial_difference function.
876         Added support for debugging stride computations.
877
878 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
879
880         * graphite-clast-to-gimple.c (gloog): Free if_region,
881         if_region->true_region, and if_region->region.
882         * sese.c (if_region_set_false_region): Free if_region->false_region.
883         (create_if_region_on_edge): Do not use GGC_NEW.
884         (move_sese_in_condition): Remove useless initialization.
885
886 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
887
888         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
889         for the loops created by the loop distribution.  Do not modify the
890         input LSTs.
891         (lst_try_interchange_loops): Same.  Use a temporary LST for the
892         transformed schedule.  Call lst_update_scattering before data
893         dependence analysis.
894         (lst_try_interchange): Pass an extra parameter INDEX.
895         (lst_do_interchange_1): New.
896         (lst_do_interchange): Call lst_do_interchange_1.
897         (scop_do_interchange): Call lst_update_scattering.
898         * graphite-poly.c (apply_poly_transforms): Do not call
899         lst_update_scattering.
900         * graphite-poly.h (lst_pred): New.
901         (lst_succ): New.
902         (lst_find_first_pbb): Return NULL when not found.
903         (lst_empty_p): New.
904         (lst_insert_in_sequence): Allow LST1 to be NULL.
905         (lst_replace): New.
906         (lst_substitute_3): New.
907         * gcc.dg/graphite/interchange-1.c: XFail.
908         * gcc.dg/graphite/interchange-8.c: XFail.
909         * gcc.dg/graphite/interchange-11.c: XFail.
910
911 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
912
913         * graphite-interchange.c (lst_perfectly_nested_p): New.
914         (lst_perfect_nestify): New.
915         (lst_try_interchange_loops): Call store_lst_schedule,
916         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
917         (scop_do_interchange): Avoid redundant legality test.
918         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
919         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
920         * graphite-poly.h (psct_static_dim): New.
921         (lst_dewey_number_at_depth): New.
922         (lst_find_pbb): Restructured.
923         (lst_find_first_pbb): Restructured.
924         (lst_find_last_pbb): New.
925         (lst_contains_p): New.
926         (lst_contains_pbb): New.
927         (lst_create_nest): New.
928         (lst_remove_from_sequence): New.
929         (pbb_update_scattering): New.
930         (lst_update_scattering_under): New.
931         (lst_update_scattering_seq): New.
932         (lst_update_scattering): New.
933         (lst_insert_in_sequence): New.
934         (lst_distribute_lst): New.
935         (lst_remove_all_before_including_pbb): New.
936         (lst_remove_all_before_excluding_pbb): New.
937
938 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
939
940         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
941         get_loop_exit_edges.
942
943 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
944
945         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
946
947 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
948
949         * graphite-poly.c (print_permutation): New.
950         (debug_permutation): New.
951         (new_poly_bb): Initialize PBB_PERMUTATION.
952         (free_poly_bb): Free PBB_PERMUTATION.
953         * graphite-poly.h (pbb_permutation_elt_p): Declared.
954         (struct pbb_permutation_elt): New.
955         (PBB_PERMUTATION_ELT_STRIDE): New.
956         (PBB_PERMUTATION_ELT_STRIDED_P): New.
957         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
958         (new_pbb_permutation_elt): New.
959         (pbb_permutation_elt_free): New.
960         (struct poly_bb): Add field permutation.
961         (PBB_PERMUTATION): New.
962         (print_permutation): Declared.
963         (debug_permutation): Declared.
964
965 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
966
967         * graphite-clast-to-gimple.c (gloog): Do not call
968         sese_reset_aux_in_loops.
969         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
970         extra argument for domains.  Do not use loop->aux.
971         (build_scop_iteration_domain): Initialize and free domains, pass it
972         to build_loop_iteration_domains and extract the information from
973         domains.  Do not use loop->aux.
974         * sese.c (sese_reset_aux_in_loops): Removed.
975         * sese.h (sese_reset_aux_in_loops): Removed.
976
977 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
978
979         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
980         (dependency_in_loop_p): Same.
981         (translate_clast): Do not use loop->aux.  Initialize
982         loop->can_be_parallel.
983         (mark_loops_parallel): Removed.
984         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
985         * graphite.c (free_aux_in_new_loops): Removed.
986         (graphite_finalize): Do not call free_aux_in_new_loops.
987         (graphite_transform_loops): Do not call mark_loops_parallel.
988
989 2009-10-26  Li Feng  <nemokingdom@gmail.com>
990
991         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
992         (translate_clast): Pass an extra parameter LEVEL.
993         Call get_scattering_level.
994         * graphite-clast-to-gimple.h (get_scattering_level): New.
995
996 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
997
998         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
999         * cfgloop.h (struct loop): New field single_iv.
1000
1001         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1002         loop->aux anymore: use loop->single_iv.
1003         (graphite_loop_normal_form): Moved...
1004         (build_graphite_loop_normal_form): Removed.
1005         (gloog): Do not call build_graphite_loop_normal_form.
1006         (free_aux_in_new_loops): Moved...
1007         (mark_loops_parallel): Restructure.
1008         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1009         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1010         (scop_canonicalize_loops): New.
1011         (build_poly_scop): Call scop_canonicalize_loops.
1012         * graphite.c (free_aux_in_new_loops): ...here.
1013
1014 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1015
1016         * g++.dg/graphite/graphite.exp: Add the same rules as in
1017         gcc.dg/graphite/graphite.exp.
1018
1019 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1020
1021         * g++.dg/graphite/id-1.C: New.
1022
1023 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1026         argument base_name.
1027         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1028         (rewrite_phi_out_of_ssa): Same.
1029         (rewrite_cross_bb_scalar_deps): Same.
1030         (translate_scalar_reduction_to_array): Same.
1031
1032 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1033
1034         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1035         dump_alias_graphs.
1036
1037 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1040         (build_scop_drs): Call dump_alias_graphs.
1041
1042 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1045         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1046         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1047         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1048         * graphite-poly.h (free_lst): New.
1049         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1050         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1051
1052 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1053
1054         * graphite-poly.h (struct scop): Add a field saved_schedule.
1055         (SCOP_SAVED_SCHEDULE): New.
1056         (store_lst_schedule): New.
1057         (restore_lst_schedule): New.
1058         (store_scattering): Call store_lst_schedule.
1059         (restore_scattering): Call restore_lst_schedule.
1060
1061 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1062
1063         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1064         (pdr_add_alias_set): Same.
1065         (build_poly_dr): Same.
1066         (build_alias_set_optimal_p): Same.
1067         (build_base_obj_set_for_drs): Same.  Do not store the result of
1068         graphds_dfs.
1069
1070 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1071
1072         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1073         all_components_are_cliques to 1.
1074
1075 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1076
1077         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1078         the new structure.
1079         (pdr_add_alias_set): Update retrieving alias_set_num.
1080         (build_poly_dr): Update retrieving dr_base_object_set.
1081         (partition_drs_to_sets): Remove.
1082         (build_alias_set_optimal_p): New.
1083         (build_alias_set_for_drs): Rename.
1084         (build_scop_drs): Update.
1085         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1086         (ALIAS_SET_INDEX): Remove.
1087         (BASE_OBJECT_SET_INDEX): Remove.
1088
1089 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1092
1093 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1096         loop upper bounds for 1-element arrays at end of structures.
1097         * tree-flow.h (array_at_struct_end_p): Declared.
1098         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1099
1100 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * g++.dg/graphite/pr41305.C: New.
1103
1104 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1105
1106         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1107         construction of parameter constraints from loop iteration analysis.
1108         * gcc.dg/graphite/run-id-2.c: New test.
1109
1110 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1113         and new_cstr.
1114
1115 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         * graphite-dependences.c (dependence_polyhedron_1): Remove
1118         unused gdim dimensions from the DDR polyhedron.
1119
1120 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1121
1122         * graphite-dependences.c (pddr_transformed_scattering): New.
1123         (dot_original_deps_stmt_1): New.
1124         (dot_transformed_deps_stmt_1): New.
1125         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1126         dot_transformed_deps_stmt_1.
1127         (dot_original_deps): New.
1128         (dot_transformed_deps): New.
1129         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1130
1131 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * graphite-dependences.c (reduction_dr_1): Remove wrong
1134         assert: reduction BBs can have multiple reduction writes
1135         to memory.  interchange-3.f90 is an example.
1136
1137 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         * gfortran.dg/graphite/interchange-3.f90: New.
1140
1141 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1142
1143         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1144
1145 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * graphite-dependences.c (dependence_polyhedron_1): Add the
1148         context to the dependence polyhedron.
1149
1150 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1151
1152         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1153         PBB_PDR_DUPLICATES_REMOVED.
1154         (new_poly_bb): Same.
1155
1156 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1159         SCOP_CONTEXT.
1160         (build_loop_iteration_domains): Extract bounds on parameters
1161         based on the data size.
1162         (build_scop_context): Do not initialize SCOP_CONTEXT;
1163         add new constraints.
1164
1165 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1168         * graphite-ppl.h (graphite-ppl.h): Declared.
1169
1170 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1171
1172         * graphite-ppl.c (ppl_print_linear_expr): New.
1173         (debug_ppl_linear_expr): New.
1174         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1175         (debug_ppl_linear_expr): Declared.
1176
1177 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * graphite-interchange.c: Fix comments.
1180         * gcc.dg/graphite/block-1.c: Fix comments.
1181
1182 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1185         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1186
1187 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1188
1189         Reapply the patch from Alexander Monakov that disappeared during
1190         the last merges from trunk.
1191
1192         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1193
1194         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1195         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1196
1197 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * graphite-interchange.c (memory_stride_in_loop): The depth
1200         argument corresponds to a dynamic time dimension, so use
1201         psct_dynamic_dim to refer to the transformed scattering dimension.
1202
1203 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1206
1207 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1210         root of the LST.
1211         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1212         the root of the LST.
1213         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1214         fake loop.
1215         (print_lst): Print the root of LST in a different format.
1216         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1217
1218 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1219
1220         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1221
1222 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1223
1224         * doc/passes.texi: Document the Graphite infrastructure.
1225
1226 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1229         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1230         and check the SSA representation.
1231
1232         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1233
1234 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1237
1238 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * gcc.dg/graphite/interchange-11.c: New.
1241
1242 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1243
1244         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1245
1246 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1249         Add -fno-loop-strip-mine and -fno-loop-interchange.
1250         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1251         -fno-loop-strip-mine.
1252         * gfortran.dg/graphite/graphite.exp: Same.
1253
1254 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1255
1256         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1257         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1258         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1259         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1260         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1261         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1262         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1263         DEFAULT_FLAGS_GRAPHITE_SCOP.
1264         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1265         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1266
1267 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1268
1269         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1270
1271 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1272             Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * graphite-interchange.c (build_linearized_memory_access): Pass an
1275         offset as parameter.
1276         (memory_stride_in_loop): Include transform scattering in the
1277         access functions to be able to querry the strides in the
1278         transformed loops.
1279         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1280         not the psct_iterator_dim.
1281
1282 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1285         (lst_do_strip_mine_loop): New.
1286         (lst_do_strip_mine): New.
1287         (scop_do_strip_mine): Call lst_do_strip_mine.
1288         * graphite-poly.h (lst_add_loop_under_loop): New.
1289         (lst_find_first_pbb): New.
1290
1291 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1292
1293         * graphite-poly.c (loop_to_lst): Fix LST creation.
1294
1295 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1296
1297         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1298         sizeof(unsigned long) to make it run on 32bit systems.
1299
1300 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1301
1302         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1303         SEGFAULT on 32bit.
1304
1305 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1306
1307         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1308         Comment.
1309         (write_alias_graph_to_ascii_dot): New.
1310         (write_alias_graph_to_ascii_ecc): Ditto.
1311         (partition_drs_to_sets): Add testing of optimality of current method
1312         which assigns alias numbers according to DFS Comopnent number.  used
1313         as heuristic for the upcoming ECC algorithm.
1314         (build_scop_drs): Write to file also with the ecc and dot format.
1315
1316 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * gfortran.dg/graphite/interchange-1.f: XFail.
1319
1320 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite.c (graphite_initialize): Do not handle functions with
1323         more than 100 basic blocks.
1324
1325 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         * graphite-blocking.c (pbb_do_strip_mine): Use
1328         PARAM_LOOP_BLOCK_TILE_SIZE.
1329
1330 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1331
1332         * graphite-poly.c (dot_lst_1): New.
1333         (dot_lst): New.
1334         * graphite-poly.h (dot_lst): Declared.
1335
1336 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1337
1338         * graphite-dependences.c (dot_deps_stmt_1): New.
1339         (dot_deps_stmt): New.
1340         * graphite-dependences.h (dot_deps_stmt): Declared.
1341
1342 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1343
1344         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1345         not replace cross BB scalar dependences ending on PHI nodes.
1346         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1347
1348 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1349
1350         * graphite-poly.c (apply_poly_transforms): Implement the high
1351         level driver for flag_loop_block.
1352         * opts.c (decode_options): Enable flag_loop_block at -O2.
1353         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1354         flag_loop_block.
1355
1356         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1357         -floop-block.
1358         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1359         Add -floop-block.
1360
1361 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * graphite-poly.h (lst_find_pbb): New.
1364         (find_lst_loop): New.
1365
1366 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1367
1368         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1369         * graphite-poly.h (struct scop): Remove dep_graph field.
1370         (SCOP_DEP_GRAPH): Removed.
1371
1372 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * graphite-poly.h (copy_lst): Do full copy of LST.
1375
1376 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1377
1378         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1379         when the loop stride is zero.
1380
1381         * gcc.dg/graphite/id-16.c: New.
1382
1383 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1384
1385         * graphite-dependences.c (reduction_dr_1): New.
1386         (reduction_dr_p): New.
1387         (graphite_legal_transform_dr): Call reduction_dr_p.
1388         (reduction_ddr): Renamed reduction_ddr_p.
1389         * graphite-poly.h (same_pdr_p): New.
1390         (number_of_write_pdrs): New.
1391         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1392         (split_reduction_stmt): Do not split reduction statements
1393         when there are no writes to memory.
1394         (translate_scalar_reduction_to_array_for_stmt): Insert the
1395         memory reduction statement just after the scalar reduction statement.
1396
1397         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1398         Un-XFAIL-ed.
1399         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1400         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1401
1402 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1403
1404         * graphite-interchange.c (lst_apply_interchange): New.
1405         (lst_interchange_profitable_p): New.
1406         (lst_try_interchange_loops): New.
1407         (lst_try_interchange): New.
1408         (lst_do_interchange): New.
1409         (pbb_do_interchange): Removed.
1410         (scop_do_interchange): Call lst_do_interchange.
1411
1412 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1415         SCOP_TRANSFORMED_SCHEDULE.
1416         (loop_to_lst): New.
1417         (scop_to_lst): New.
1418         (print_lst): New.
1419         (debug_lst): New.
1420         * graphite-poly.h (lst_p): New.
1421         (struct lst): New.
1422         (LST_LOOP_P): New.
1423         (LST_LOOP_FATHER): New.
1424         (LST_PBB): New.
1425         (LST_SEQ): New.
1426         (scop_to_lst): Declared.
1427         (print_lst): Declared.
1428         (debug_lst): Declared.
1429         (new_lst_loop): New.
1430         (new_lst_stmt): New.
1431         (copy_lst): New.
1432         (lst_depth): New.
1433         (lst_dewey_number): New.
1434         (struct scop): Add original_schedule and transformed_schedule fields.
1435         (SCOP_ORIGINAL_SCHEDULE): New.
1436         (SCOP_TRANSFORMED_SCHEDULE): New.
1437         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1438
1439 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1440
1441         * graphite-dependences.c (reduction_ddr): New.
1442         (graphite_legal_transform_bb): Call reduction_ddr.
1443         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1444         Initialize PBB_IS_REDUCTION.
1445         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1446         (PBB_IS_REDUCTION): New.
1447         (new_poly_bb): Update declaration.
1448         * graphite-scop-detection.h (build_scop_bbs): Removed.
1449         (nb_reductions_in_loop): Removed.
1450         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1451         parameter for reductions.
1452         (try_generate_gimple_bb): Update call to new_poly_bb.
1453         (build_scop_bbs_1): Same.
1454         (build_scop_bbs): Same.
1455         (gsi_for_phi_node): New.
1456         (scalar_close_phi_node_p): Remove gcc_assert.
1457         (split_reduction_stmt): New.
1458         (is_reduction_operation_p): New.
1459         (phi_contains_arg): New.
1460         (follow_ssa_with_commutative_ops): New.
1461         (detect_commutative_reduction_arg): New.
1462         (detect_commutative_reduction_assign): New.
1463         (follow_inital_value_to_phi): New.
1464         (edge_initial_value_for_loop_phi): New.
1465         (initial_value_for_loop_phi): New.
1466         (detect_commutative_reduction): New.
1467         (translate_scalar_reduction_to_array_for_stmt): New.
1468         (insert_copyout): New.
1469         (insert_copyin): New.
1470         (translate_scalar_reduction_to_array): New.
1471         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1472         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1473         (rewrite_commutative_reductions_out_of_ssa): New.
1474         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1475         * sese.h (split_region_for_bb): New.
1476
1477         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1478         * gcc.dg/graphite/interchange-1.c: Fix format.
1479         * gcc.dg/graphite/interchange-10.c: New.
1480
1481 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1484         buggy assert.
1485
1486 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1487
1488         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1489         (rewrite_cross_bb_scalar_dependence): New.
1490         (rewrite_cross_bb_scalar_deps): New.
1491         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1492         Call rewrite_cross_bb_scalar_deps.
1493
1494 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1495
1496         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1497         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1498         gsi_for_stmt.
1499
1500 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1501
1502         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1503         * graphite-interchange.c (pbb_do_interchange): Same.
1504         * graphite-poly.c (print_scattering_function): Same.
1505         (debug_pdrs): Same.
1506         * graphite-poly.h (pbb_loop): New.
1507         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1508
1509 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1510
1511         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1512
1513 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1516         so don't pass a pointer to it.
1517         (build_alias_set_for_drs): Same.
1518         (build_base_obj_set_for_drs): Same.
1519         (build_scop_drs): Same.
1520
1521 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1522
1523         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1524         the alias graph of data references.
1525
1526 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1527
1528         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1529         (build_scop_drs): When debugging, write the alias graph to file,
1530         otherwise, should be disabled.
1531
1532 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * Merge from mainline (151310:151361).
1535
1536 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * Merge from mainline (151171:151310).
1539
1540 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1541
1542         * Merge from mainline (151171:151806).
1543
1544 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         * Revert the last commit.
1547
1548 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1549
1550         * Merge from mainline (151171:151819).
1551
1552 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1553
1554         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1555         (is_simple_operand): Remove call to stmt_simple_memref_p.
1556         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1557
1558 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1559
1560         * gcc.dg/graphite/interchange-mvt.c: New File.
1561         * gcc.dg/graphite/scop-dsyrk.c: New File.
1562         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1563         * gcc.dg/graphite/scop-mvt.c: New File.
1564         * gcc.dg/graphite/scop-sor.c: New File.
1565
1566 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1567
1568         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1569         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1570         (graphite_carried_dependence_level_k): Ditto.
1571         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1572         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1573         (new_poly_dr): Adjust declaration.
1574         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1575         (free_gimple_bb): Added free_data_refs_aux.
1576         (build_poly_dr): Add dr_base_object_set.
1577         (partition_drs_to_sets): New.
1578         (dr_same_base_object_p): New.
1579         (build_alias_set_for_drs): New.
1580         (build_base_object_set_for_drs): New.
1581         (build_scop_drs): Add build_base_obj_set_for_drs.
1582         * graphite-sese-to-poly.h: Added #define for alias set number index and
1583         base object set index.
1584         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1585         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1586
1587 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1588
1589         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1590         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1591
1592 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1593
1594         * graphite-sese-to-poly.c (struct irp_data): Removed.
1595         (idx_record_params): Removed.
1596         (find_params_in_bb): Scan for parameters the access functions; don't
1597         parse the tree representation.
1598
1599 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1602         passes at -O1 and below.
1603
1604 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1607         tree-scalar-evolution.h, and then tree-data-ref.h.
1608         * graphite-clast-to-gimple.c: Same.
1609         * graphite-dependences.c: Same.
1610         * graphite-interchange.c: Same.
1611         * graphite-poly.c: Same.
1612         * graphite-scop-detection.c: Same.
1613         * graphite-sese-to-poly.c: Same.
1614         * graphite.c: Same.
1615         * lambda-code.c: Same.
1616         * matrix-reorg.c: Same.
1617         * tree-data-ref.c: Same.
1618         * tree-if-conv.c: Same.
1619         * tree-loop-distribu: Same.: Same.
1620         * tree-loop-linear.c: Same.
1621         * tree-parloops.c: Same.
1622         * tree-predcom.c: Same.
1623         * tree-vect-patterns.c: Same.
1624
1625 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1626
1627         Partially revert the previous patch, except the following.
1628         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1629         as parameters the operands of the not expression.
1630
1631 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1632
1633         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1634         Do not call analyze_scalar_evolution on assignments.
1635         (instantiate_scev_phi): Call analyze_scalar_evolution.
1636         (instantiate_scev_name): Call instantiate_scev_assign and
1637         instantiate_scev_phi.
1638         (instantiate_scev_not): Adapted to pass as parameters the operands
1639         of the not expression.
1640
1641 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1644         to pass as parameters the operands of the binary expression.
1645
1646 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1649         instantiate_scev_not.  Handle NEGATE_EXPR.
1650         (instantiate_scev_r): Handle NEGATE_EXPR.
1651
1652 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1653
1654         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1655         instantiate_scev_r.
1656         (instantiate_scev_r): Move code in instantiate_scev_2
1657         and instantiate_scev_1.
1658
1659 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * tree-scalar-evolution.c (instantiate_scev_3): New.
1662         (instantiate_scev_1): Move code in instantiate_scev_3.
1663
1664 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1665
1666         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1667         (instantiate_scev_1): Move code in instantiate_scev_poly.
1668
1669 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1672         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1673
1674 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1677         (instantiate_scev_1): Move code in instantiate_scev_convert.
1678
1679 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1682         (instantiate_scev_1): Move code in instantiate_scev_binary.
1683
1684 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * tree-scalar-evolution.c (instantiate_scev_name): New.
1687         (instantiate_scev_1): Move code in instantiate_scev_name.
1688
1689 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         * Merge from mainline (150992:151171).
1692
1693 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1694
1695         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1696
1697 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1698
1699         * graphite-dependences.c (graphite_legal_transform_bb): Call
1700         pbb_remove_duplicate_pdrs.
1701         * graphite-poly.c (can_collapse_pdr): Removed.
1702         (pdr_find_duplicate): Removed.
1703         (can_collapse_pdrs): New.
1704         (pbb_remove_duplicate_pdrs): New.
1705         (new_poly_dr): Do not look for duplicates.
1706         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1707         (PBB_PDR_DUPLICATES_REMOVED): New.
1708         (pbb_remove_duplicate_pdrs): Declared.
1709
1710 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1713         the strides by multiplying by PDR_NB_REFS.
1714         * graphite-poly.c (can_collapse_pdr): New.
1715         (pdr_find_duplicate): New.
1716         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1717         Initialize PDR_NB_REFS.
1718         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1719         (PDR_NB_REFS): New.
1720         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1721
1722 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1723
1724         Revert one of the previous commits:
1725         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1726         the computation of symmetric data dependence relations.
1727         (dependency_between_pbbs_p): Same.
1728
1729 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         PR middle-end/40965
1732         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1733         any transform.
1734
1735 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1736
1737         * graphite-dependences.c (pddr_original_scattering): Return NULL
1738         for read-read dependence relations.
1739         * graphite-poly.h (enum poly_dr_type): Fix comment.
1740         (pdr_read_p): New.
1741         (pdr_write_p): New.
1742         (pdr_may_write_p): New.
1743
1744 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1747         (struct poly_dr): Same.
1748         (new_poly_dr): Same.
1749         * graphite-poly.c (new_poly_dr): Same.
1750
1751 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1752             Sebastian Pop  <sebastian.pop@amd.com>
1753
1754         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1755         pbb_strip_mine_time_depth.  Changed the implementation so that
1756         transformation is expressed as a transformation on
1757         time (scatttering) dimensions.  Also, ensures that the 2d+1
1758         scheduling format is preserved.
1759         (pbb_strip_mine_profitable_p): Profitability is based on the
1760         iteration number of a given time (scattering) dimension,
1761         and not on a original loop depth dimension.
1762         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1763         (pbb_do_strip_mine): Call psct_dynamic_dim.
1764         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1765         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1766         (pbb_nb_dynamic_scattering_transform): New.
1767         (psct_dynamic_dim): New.
1768
1769 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1770
1771         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1772         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1773         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1774         * graphite-interchange.c (build_linearized_memory_access): Same.
1775         (memory_stride_in_loop): Same.
1776
1777 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1778
1779         * graphite-dependences.c (pddr_original_scattering): New.
1780         (graphite_legal_transform_dr): Call pddr_original_scattering.
1781         (dot_deps_1): New.
1782         (dot_deps): New.
1783         * graphite-dependences.h (dot_deps): Declared.
1784         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1785         (print_pdr): Print PDR_ID.
1786         * graphite-poly.h (struct poly_dr): Add field id.
1787         (PDR_ID): New.
1788         (pbb_index): New.
1789         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1790
1791 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1792
1793         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1794         not delete the original dependence relation.
1795
1796 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1799         the computation of symmetric data dependence relations.
1800         (dependency_between_pbbs_p): Same.
1801
1802 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1805         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1806         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1807         (free_poly_ddr): New.
1808         (pddr_is_empty): New.
1809         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1810         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1811         Remove fprintfs.
1812         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1813         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1814         * graphite-dependences.h (enum poly_dependence_kind): New.
1815         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1816         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1817         (PDRP_SINK): Renamed PDDR_SINK.
1818         (PDRP_DDP): Renamed PDDR_DDP.
1819         (PDDR_KIND): New.
1820         (free_poly_ddr): Declared.
1821         * graphite-poly.c (new_scop): Use the new hash function names.
1822         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1823         into original_pddrs.
1824         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1825
1826 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * Merge from mainline (150764:150992).
1829
1830 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1831
1832         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1833         bounds with LT_EXPR to make niter analysis more precise on code
1834         generated by Graphite.
1835
1836 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1837
1838         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1839         (graphite_legal_transform_bb): Same.
1840         (poly_drs_may_alias_p): Same.
1841
1842 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1843
1844         PR middle-end/40981
1845         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1846         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1847
1848 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1849
1850         * graphite-poly.c (print_pbb): Print PBB index.
1851
1852 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1853
1854         * Merge from mainline (r150672:150764).
1855
1856 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * graphite-interchange.c (ppl_max_for_le): Moved...
1859         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1860         * graphite-ppl.c (ppl_max_for_le): ... here.
1861         * graphite-ppl.h (ppl_max_for_le): Declared.
1862
1863 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1864
1865         * Merge from mainline (r150372:150672).
1866
1867 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1868
1869         PR middle-end/40980
1870         * sese.c (convert_for_phi_arg): New.
1871         (add_guard_exit_phis): Use convert_for_phi_arg.
1872
1873         * gfortran.dg/graphite/id-17.f: New.
1874
1875 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1878         unknown subscript upper bounds.
1879
1880         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1881
1882 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1883             Pranav Garg  <pranav.garg2107@gmail.com>
1884
1885         * graphite-interchange.c (gather_access_strides): Removed.
1886         (ppl_max_for_le): New.
1887         (build_linearized_memory_access): New.
1888         (memory_stride_in_loop): New.
1889         (pbb_interchange_profitable_p): Reimplemented.
1890         * graphite-ppl.h (ppl_new_id_map): New.
1891         (ppl_interchange): New.
1892
1893         * gcc.dg/graphite/interchange-6.c: XFAILed.
1894
1895 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1896
1897         * graphite-interchange.c (compute_subscript): Removed.
1898         (compute_array_size_cstr): Removed.
1899         (compute_array_size_poly): Removed.
1900         (compute_array_size): Removed.
1901         (gather_access_strides_poly): Removed.
1902         (gather_access_strides): Empty.
1903
1904 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1905
1906         * graphite-dependences.c (dependence_polyhedron_1): Replace
1907         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1908         (graphite_legal_transform_dr): Same.
1909         (graphite_carried_dependence_level_k): Same.
1910         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1911         Initialize PDR_NB_SUBSCRIPTS.
1912         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1913         PDR_NB_SUBSCRIPTS.
1914         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1915         (PDR_NB_SUBSCRIPTS): New.
1916         (pdr_nb_subscripts): Removed.
1917         (pdr_dim): Simplified.
1918         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1919         with PDR_NB_SUBSCRIPTS.
1920
1921 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1922
1923         * graphite-interchange.c (compute_array_size): Remove use of
1924         PDR_DATA_CONTAINER.
1925         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1926         Do not initialize PDR_DATA_CONTAINER.
1927         (print_pdr): Do not print PDR_DATA_CONTAINER.
1928         * graphite-poly.h (struct poly_dr): Remove data_container field.
1929         (PDR_DATA_CONTAINER): Removed.
1930         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1931         PDR_DATA_CONTAINER.
1932         (build_poly_dr): Same.
1933
1934 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         * gcc.dg/graphite/interchange-9.c: New.
1937
1938 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1939             Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1942         copy of the dependence polyhedron.  Free the temporary objects.
1943         (graphite_carried_dependence_level_k): Free unused objects before
1944         returning.
1945
1946         * gcc.dg/graphite/interchange-1.c: XFAILed.
1947         * gcc.dg/graphite/interchange-2.c: XFAILed.
1948         * gcc.dg/graphite/interchange-3.c: XFAILed.
1949         * gcc.dg/graphite/interchange-4.c: XFAILed.
1950         * gcc.dg/graphite/interchange-7.c: XFAILed.
1951
1952 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1955         Early return without analyzing the data dependences if no
1956         transform has been done.  Call restore_scattering if the transform
1957         is not legal.
1958         (graphite-interchange.c): Same.
1959         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1960         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1961         (apply_poly_transforms): Do not gcc_assert that
1962         the transform is legal.
1963         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1964         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1965         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1966         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1967         * graphite-poly.h (struct poly_scattering): New.
1968         (struct poly_bb): Add original, transformed, and saved fields.
1969         Remove transformed_scattering, original_scattering, nb_local_variables,
1970         and nb_scattering_transform fields.
1971         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1972         (poly_scattering_new): New.
1973         (poly_scattering_free): New.
1974         (poly_scattering_copy): New.
1975         (store_scattering_pbb): New.
1976         (store_scattering): New.
1977         (restore_scattering_pbb): New.
1978         (restore_scattering): New.
1979         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1980         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1981
1982 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1983
1984         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1985         (print_scop): Same.
1986
1987 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1988
1989         * Makefile.in (graphite.o): Depends on PREDICT_H.
1990         * graphite.c: Include predict.h.
1991         (graphite_finalize): Call tree_estimate_probability.
1992         * predict.c (predict_loops): Do not call scev_initialize and
1993         scev_finalize.
1994         (tree_estimate_probability_bb): New.
1995         (tree_estimate_probability): Do not initialize loops: move that
1996         code to the driver.  Call tree_estimate_probability_bb.
1997         (tree_estimate_probability_driver): New.
1998         (pass_profile): Use tree_estimate_probability_driver.
1999         * predict.h (tree_estimate_probability): Declared.
2000
2001 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2002
2003         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2004         * graphite-dependences.c (graphite_legal_transform): Add time to
2005         TV_GRAPHITE_DATA_DEPS.
2006         (dependency_between_pbbs_p): Same.
2007         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2008
2009 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2010
2011         * Merge from mainline (r149952:150372).
2012
2013 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2016         * graphite-blocking.c: Same.
2017         * graphite-clast-to-gimple.c: Same.
2018         * graphite-dependences.c: Same.
2019         * graphite-poly.c: Same.
2020         * graphite-poly.h: Same.
2021         * graphite-ppl.c: Same.
2022         * graphite-scop-detection.c: Same.
2023         * graphite-sese-to-poly.c: Same.
2024         * graphite.c: Same.
2025
2026 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2027
2028         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2029         (remove_simple_copy_phi): New.
2030         (remove_invariant_phi): New.
2031         (simple_copy_phi_p): New.
2032         (reduction_phi_p): New.
2033         (gsi_for_ssa_name_def): New.
2034         (insert_out_of_ssa_copy): New.
2035         (insert_out_of_ssa_copy_on_edge): New.
2036         (create_zero_dim_array): New.
2037         (scalar_close_phi_node_p): New.
2038         (rewrite_close_phi_out_of_ssa): New.
2039         (rewrite_phi_out_of_ssa): New.
2040         (rewrite_reductions_out_of_ssa): New.
2041         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2042
2043         * gcc.dg/graphite/id-11.c: New.
2044         * gcc.dg/graphite/id-15.c: New.
2045         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2046         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2047         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2048         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2049         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2050         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2051         * gfortran.dg/graphite/id-13.f: New.
2052         * gfortran.dg/graphite/id-5.f: New.
2053
2054 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2055
2056         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2057         check that nb_reductions_in_loop is zero.
2058         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2059         reduction phi nodes.
2060         (nb_reductions_in_loop): Removed.
2061         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2062         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2063         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2064         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2065         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2066
2067 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2068
2069         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2070         statements that have an empty iteration domain.
2071         * gfortran.dg/graphite/id-16.f: New.
2072
2073 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * tree-scalar-evolution.c (instantiate_scev_1): Return
2076         chrec_dont_know when the result is not above instantiate_below.
2077         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2078         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2079         the tree has a known scalar evolution.
2080         * gfortran.dg/graphite/id-14.f: New.
2081         * gfortran.dg/graphite/id-15.f: New.
2082
2083 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2084
2085         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2086         insert_gsi.
2087         (rename_variables): Keep inserting renames after the ones already
2088         inserted.
2089
2090 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2091
2092         * graphite-sese-to-poly.c (compare_bb_depths): New.
2093         (graphite_sort_dominated_info): New.
2094         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2095         (build_scop_scattering): Fix comment.
2096
2097 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2098
2099         * graphite.c (graphite_finalize): Call print_loops instead of
2100         dump_function_to_file.
2101         * gcc.dg/graphite/graphite.exp: Fix formatting.
2102         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2103         loops generated in the graphite output file.
2104         * gcc.dg/graphite/pr35356-2.c: New.
2105         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2106         * gfortran.dg/graphite/id-12.f: New.
2107
2108 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2109
2110         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2111         Remove 2 XFAIL.
2112
2113 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2114             Tobias Grosser  <grosser@fim.uni-passau.de>
2115
2116         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2117         alias set number build alias in ACCESSES polyhedron.
2118         (build_alias_set_for_drs): New.
2119         (build_pbb_drs): Added build_alias_set_for_drs.
2120         * graphite-dependences.c (poly_drs_may_alias_p): New.
2121         (graphite_carried_dependence_level_k): Check alias information
2122         before building polyhedron.
2123
2124 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2125
2126         * Makefile.in (lambda-code.o): Fix formatting.
2127
2128 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2129
2130         * Merge from mainline (r149350-149952)
2131
2132 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2133
2134         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2135         before interchange to prepare for loop blocking.
2136
2137 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2138
2139         * graphite-poly.c (apply_poly_transforms): Add checks after every
2140         transformation.
2141         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2142         done in apply_poly_transforms.
2143
2144 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2145
2146         * graphite-dependences.c (build_lexicographically_gt_constraint):
2147         Replace RES parameter with *RES.
2148         (dependence_polyhedron_1): Pass an address of the parameter RES
2149         instead of value of RES.
2150
2151 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2152
2153         * graphite.c (graphite_finalize): Fix comment.
2154         (graphite_transform_loops): Reset scev info after code generation
2155         of each scop.
2156
2157 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * graphite.c (graphite_finalize): Call scev_reset.
2160
2161 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2164         GBB_CLOOG_IV_TYPES hash table twice.
2165         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2166         (add_condition_to_domain): Clear GMP values.
2167
2168 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         * graphite-dependences.c: Fix formatting.
2171         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2172         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2173         * graphite-sese-to-poly.c: Fix formatting.
2174         * graphite.c (graphite_transform_loops): Create the hash table
2175         after the early return.
2176
2177 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2178
2179         * gcc.dg/graphite/id-14.c: New.
2180         * gcc.dg/graphite/pr40157.c: New.
2181         * gfortran.dg/graphite/id-11.f: New.
2182
2183 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2186         (build_poly_scop): Return false when there are no pbbs within
2187         loops to avoid to pass to cloog scops with no loops.
2188
2189 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2190
2191         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2192         useless test "i % 2".
2193         (build_pbb_scattering_polyhedrons): Fix formatting.
2194         (build_poly_dr): Same.
2195         * graphite.c (graphite_transform_loops): Restructure.
2196
2197 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2198
2199         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2200         reduction_list parameter.
2201         (rewrite_all_phi_nodes_with_iv): Same.
2202         (canonicalize_loop_ivs): Same.
2203         * tree-parloops.c (struct brli): Removed.
2204         (build_reduction_list_info): Removed.
2205         (build_new_reduction): New.
2206         (analyze_reduction_list): Removed.
2207         (gather_scalar_reductions): Find reductions instead of phi
2208         nodes that can't be canonicalized.
2209         (try_create_reduction_list): Remove reduction_list parameter.
2210         (gen_parallel_loop): Same.
2211         (parallelize_loops): Remove analyze_reductions variable,
2212         initialization and free.
2213         Change reduction_list htab initialization to reduction_info
2214         elements instead of ssa names.
2215         Call try_create_reduction_list and gen_parallel_loop without
2216         analyzed_reduction argument.
2217         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2218         canonicalize_loop_ivs with one less argument.
2219         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2220
2221 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2222
2223         * graphite-dependences.c (new_poly_dr_pair): New.
2224         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2225         (new_poly_dr_pair): New.
2226         (eq_poly_dr_pair_p): New.
2227         (hash_poly_dr_pair_p): New.
2228         * graphite-dependences.h (struct poly_dr_pair): New.
2229         (eq_poly_dr_pair_p): Declared.
2230         (hash_poly_dr_pair_p): Declared.
2231         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2232         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2233         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2234         * Makefile.in (graphite-poly.o): Add dependence on
2235         graphite-dependences.h.
2236
2237 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2240         polynomials of degree > 1 pass to Graphite.
2241         * tree-chrec.c (scev_is_linear_expression): Call
2242         evolution_function_is_affine_multivariate_p.
2243         * gfortran.dg/graphite/id-10.f90: New.
2244
2245 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2246
2247         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2248         Instantiate scevs varying in outer loops.
2249         * gfortran.dg/graphite/id-9.f: Correct testcase.
2250
2251 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2254         redundant constraint.
2255
2256 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2257
2258         * gcc.dg/graphite/graphite.exp: Fix comments.
2259         * gfortran.dg/graphite/graphite.exp: Trigger actions
2260         based on the file names as in the C testsuite.
2261         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2262         * gfortran.dg/graphite/block-2.f: Same.
2263         * gfortran.dg/graphite/block-3.f90: Same.
2264         * gfortran.dg/graphite/block-4.f90: Same.
2265         * gfortran.dg/graphite/id-1.f90: Same.
2266         * gfortran.dg/graphite/id-2.f90: Same.
2267         * gfortran.dg/graphite/id-3.f90: Same.
2268         * gfortran.dg/graphite/id-4.f90: Same.
2269         * gfortran.dg/graphite/id-6.f: Same.
2270         * gfortran.dg/graphite/id-9.f: Same.
2271         * gfortran.dg/graphite/interchange-1.f: Same.
2272         * gfortran.dg/graphite/interchange-2.f: Same.
2273         * gfortran.dg/graphite/scop-1.f: Same.
2274
2275 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * sese.c (expand_scalar_variables_call): New.
2278         (expand_scalar_variables_ssa_name): Handle calls in expander.
2279
2280 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2281
2282         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2283         Expect to see the pattern twice.
2284         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2285         * gcc.dg/graphite/interchange-5.c: Same.
2286         * gcc.dg/graphite/interchange-6.c: Same.
2287
2288 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         * gcc.dg/graphite/id-10.c: New.
2291         * gcc.dg/graphite/id-12.c: New.
2292         * gfortran.dg/graphite/id-7.f: New.
2293         * gfortran.dg/graphite/id-8.f: New.
2294
2295 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2298         zero.
2299
2300 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2301
2302         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2303
2304 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2305
2306         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2307
2308 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2311         building PDR subscripts.
2312
2313 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2314
2315         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2316         computation of array sizes.
2317
2318 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2319
2320         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2321
2322 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2323
2324         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2325         build_pairwise_constraint, dr_equality_constraints,
2326         build_pairwise_scheduling_equality,
2327         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2328         build_lexicographically_gt_constraint, dependence_polyhedron,
2329         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2330         Move from NNC_Polyhedron to C_Polyhedron.
2331         * graphite-interchange.c (compute_array_size_poly,
2332         gather_access_strides): Dito.
2333         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2334         free_scop, pbb_number_of_iterations): Dito.
2335         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2336         pbb_dim_iter_domain, struct scop): Dito.
2337         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2338         new_Cloog_Domain_from_ppl_Polyhedron,
2339         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2340         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2341         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2342         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2343         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2344         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2345         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2346         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2347         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2348         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2349         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2350         build_scop_iteration_domain, build_poly_dr): Dito
2351
2352 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2355         run-id-*.c files.
2356         * gcc.dg/graphite/run-id-1.c: New.
2357
2358 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2359
2360         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2361         positivity constraint on the symbolic number of iterations.
2362
2363 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2366
2367 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2368             Tobias Grosser  <grosser@fim.uni-passau.de>
2369
2370         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2371         (build_cloog_prog): Directly use SCOP_CONTEXT.
2372         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2373         (free_scop): Free SCOP_CONTEXT.
2374         (print_scop_context): New.
2375         (print_scop): Call print_scop_context.
2376         (debug_scop_context): New.
2377         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2378         (struct scop): Added field context.
2379         (SCOP_CONTEXT): New.
2380         * graphite-sese-to-poly.c (add_param_constraints): New.
2381         (build_scop_context): New.
2382         (build_poly_scop): Call build_scop_context.
2383
2384 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2385
2386         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2387         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2388         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2389         * graphite-ppl.h: Include double-int.h and tree.h.
2390         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2391         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2392         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2393         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2394
2395 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2396
2397         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2398         POINTER_PLUS_EXPR for pointer types.
2399         (clast_to_gcc_expression): Same.
2400
2401 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * graphite-poly.c (print_scattering_function): Early return when
2404         PBB_TRANSFORMED_SCATTERING is not initialized.
2405         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2406
2407 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2410         to fix bootstrap.
2411
2412 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2413
2414         * tree-parloops.c (analyze_reduction_list): Change return
2415         value to void.
2416         (try_create_reduction_list): Move the call to
2417         analyze_reduction_list to the beginining.
2418         Call reduction_phi with analyzed_reductions as argument
2419         instead of reduction_list.
2420
2421 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2422
2423         *  Merge from mainline (r148296:149346)
2424
2425 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         * graphite-scop-detection.c (graphite_can_represent_init): New.
2428         (graphite_can_represent_scev): Call graphite_can_represent_init:
2429         check that the initial value does not contain multiplications of
2430         parameters.
2431         (stmt_has_simple_data_refs_p): New.
2432         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2433         (is_simple_operand): Fix formatting.
2434         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2435
2436 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * gcc.dg/graphite/id-13.c: New.
2439         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2440         analyze_scalar_evolution, use scalar_evolution_in_region.
2441         (scan_tree_for_params_right_scev): Add extra assert.
2442         (parameter_index_in_region_1): Split from parameter_index_in_region.
2443         (idx_record_params): Use scalar_evolution_in_region.
2444         (find_params_in_bb): Same.
2445         (find_scop_parameters): Same.
2446         (build_loop_iteration_domains): Same.
2447         (create_linear_expr_from_tree): Same.
2448         * sese.c (scalar_evolution_in_region): New.
2449         * sese.h (scalar_evolution_in_region): Declared.
2450         (defined_in_sese_p): New.
2451         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2452         static anymore.
2453         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2454         Declared.
2455
2456 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2459         TREE_DATA_REF_H also implies SCEV_H.
2460
2461 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2462
2463         * graphite-poly.c (print_scop_params): New.
2464         (print_scop): Call print_scop_params.
2465         (debug_scop_params): New.
2466         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2467
2468 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2469
2470         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2471         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2472         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2473         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2474         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2475         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2476
2477 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2478
2479         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2480         for dependency checking part.
2481         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2482         tests for dependency checking.
2483         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2484         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2485         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2486         flag -fdump-tree-graphite-all for autopar testsuites.
2487
2488 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2491         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2492         canonicalize_loop_ivs): Moved...
2493         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2494
2495 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2496
2497         * tree-parloops.c (try_create_reduction_list): Pass an extra
2498         argument analyzed_reductions.  Call analyze_reduction_list.
2499         (gen_parallel_loop): Do not call analyze_reduction_list.
2500         (parallelize_loops): Init and finalize analyzed_reductions.
2501
2502 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2503
2504         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2505         Added flag -fno-loop-strip-mine for autopar testcase.
2506
2507 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2508
2509         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2510         transformed scattering dimension instead of unmatch orignal when
2511         calling dependence_polyhedron.
2512
2513 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2514
2515         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2516
2517 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2518
2519         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2520         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2521
2522 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2523
2524         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2525         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2526         * graphite-poly.c (pbb_number_of_iterations): New.
2527         * graphite-poly.h (pbb_number_of_iterations): Declared.
2528         (pbb_iterator_dim, pbb_parameter_dim): New.
2529
2530 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2531
2532         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2533         last commit on type of lower and upper bound of loops.
2534
2535 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2536
2537         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2538         graphite-dependences.h.
2539         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2540         (mark_bb_with_pbb): New.
2541         (get_stmtfor_depth): New.
2542         (find_pbb_via_hash): New.
2543         (dependency_in_loop_p): New.
2544         (mark_loops_parallel): New.
2545         (free_aux_in_new_loops): New.
2546         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2547         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2548         innermost loop parallel without checking.
2549         (gloog): Add parameter BB_PBB_MAPPING.
2550         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2551         (gloog): Change declaration.
2552         (mark_loop_parallel): Make extern.
2553         (free_aux_in_new_loops): Declare.
2554         (bb_pbb_map_hash): New.
2555         (eq_bb_pbb_map): New.
2556         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2557         auto parallelization when flag_graphite_force_parallel is set.
2558         (graphite_finalize): Added free_aux_in_new_loops.
2559         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2560         the innermost loop that marked parallel.  Use
2561         flag_graphite_force_parallel instead of loop->can_be_parallel.
2562         (loop_parallel_p): Move inner most checking out of function.
2563
2564 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2565
2566         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2567         type of lower and upper bound of loops signed long int.
2568
2569 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2572         expression outside the loop.
2573
2574 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * gcc.dg/graphite/interchange-8.c: New.
2577
2578 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2579
2580         * gcc.dg/graphite/interchange-0.c: XFailed.
2581         * gcc.dg/graphite/interchange-5.c: XFailed.
2582         * gcc.dg/graphite/interchange-6.c: XFailed.
2583
2584 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2585
2586         * graphite-interchange.c (compute_array_size_poly): The end of the
2587         recursion should return 1.
2588
2589 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591         * graphite-interchange.c (compute_array_size_cstr): Allow the
2592         subscript multiplier to be -1.
2593         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2594         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2595         data_container.  Initializes PDR_DATA_CONTAINER.
2596         (print_pdr_access_layout): New.
2597         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2598         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2599         data_container.
2600         (PDR_DATA_CONTAINER): New.
2601         (new_poly_dr): Update declaration.
2602         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2603         (build_poly_dr): Call pdr_add_data_dimensions.
2604
2605 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * graphite-poly.h (struct poly_dr): Fix comment.
2608         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2609         (pdr_add_memory_accesses): New.
2610         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2611
2612 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2613
2614         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2615         (print_pbb): Add call to print_pdrs.
2616         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2617
2618 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2619             Li Feng <nemokingdom@gmail.com>
2620
2621         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2622         (dependency_between_pbbs_p): New.
2623         (lexicographically_gt_p): Assure !empty_p before polyhedron
2624         intersection assign.
2625         (build_lexicographically_gt_constraint): Correct lexicographically
2626         judging.
2627         * graphite-dependences.h: New.
2628         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2629
2630 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2631
2632         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2633         (gloog): Print to dump_file the generated clast.
2634         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2635         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2636
2637 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-poly.c (extend_scattering): Increment
2640         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2641
2642 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2643
2644         * graphite-interchange.c (compute_array_size_poly): Added exit of
2645         recursion condition.  Continue iterating even after the first equality.
2646         (compute_array_size): Same.
2647
2648 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2649
2650         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2651         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2652         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2653         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2654         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2655
2656 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2657
2658         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2659         only when the use verifies is_gimple_reg.
2660
2661 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2662
2663         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2664         Allocate scaldims after call to unify_scattering_dimensions.
2665
2666 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2667
2668         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2669
2670 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2671             Albert Cohen  <albert.cohen@inria.fr>
2672
2673         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2674         variables for the strip mining.
2675
2676 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2677             Pranav Garg  <pranav.garg2107@gmail.com>
2678
2679         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2680         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2681         (graphite-blocking.o): New rule.
2682         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2683         * graphite-blocking.c: New.
2684         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2685         flag_loop_strip_mine.
2686         (psct_scattering_dim_for_loop_depth): New.
2687         * graphite-poly.h (scop_do_strip_mine): Declared.
2688         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2689         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2690         flag_loop_strip_mine.
2691
2692 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2695         a GMP value and a PPL coefficient at each iteration of a loop.
2696
2697 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * graphite-dependences.c (dependence_polyhedron): Do not use
2700         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2701         pbb_nb_scattering_transform.
2702         (graphite_legal_transform_dr): Same.
2703         * graphite-poly.c (extend_scattering): Same.
2704         (unify_scattering_dimensions): Same.
2705         (print_scattering_function): Same.
2706         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2707         PBB_NB_LOCAL_VARIABLES.
2708         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2709         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2710         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2711         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2712         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2713         (pbb_nb_scattering_transform): New.
2714         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2715         (psco_scattering_dim): Add assert on parameters.
2716         (psct_scattering_dim): Same.
2717         (psct_scattering_dim_for_loop_depth): Declared.
2718         (psct_local_var_dim): New.
2719         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2720         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2721         correct layout, call pbb_nb_local_vars.
2722         (psct_add_local_variable, psct_add_scattering_dimension): New.
2723         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2724         Initialize PBB_NB_SCATTERING_TRANSFORM.
2725
2726 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2729         (set_coef): Renamed ppl_set_coef.
2730         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2731
2732 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2735         test a boolean against 1.
2736         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2737         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2738         (pbb_do_interchange): Returns true when a transform has been performed.
2739         (scop_do_interchange): Same.
2740         * graphite-poly.c (apply_poly_transforms): Use the return value of
2741         scop_do_interchange.
2742         * graphite-poly.h (scop_do_interchange): Update declaration.
2743
2744 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2745
2746         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2747         after last use.
2748         * sese.c (sese_reset_aux_in_loops): New.
2749         * sese.h (sese_reset_aux_in_loops): New.
2750
2751 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2752
2753         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2754         multiplier and multiply the constant by the multiplier.
2755         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2756         (build_poly_dr): Do not use the multiplier to define the subscript.
2757
2758 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2759
2760         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2761         compiler's data reference.  Initialize PDR_CDR.
2762         (print_pdr): Call dump_data_reference.
2763         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2764         Add compiler_dr field.
2765         (PDR_BB): Renamed PDR_PBB.
2766         (PDR_CDR): New.
2767         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2768         GCC's data reference representation.
2769         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2770         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2771
2772 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * graphite-poly.c (print_scattering_function): Also print the layout.
2775         * graphite-poly.h (pbb_nb_local_vars): New.
2776
2777 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2780
2781 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2782
2783         * graphite-poly.c (print_pdr, debug_pdr): New.
2784         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2785         (PDR_BASE): Removed.
2786
2787 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2790         ltrans-{1..6,8}.c.
2791
2792 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2793
2794         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2795         subscript identification column.
2796         (pbb_do_interchange): Print to dump_file that some loops "will be
2797         interchanged".  Rely on that chain of characters in the testcases.
2798         * gcc.dg/graphite/interchange-0.c: New.
2799         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2800         interchange-*.c files and compile them with -floop-interchange.
2801
2802 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2803
2804         * graphite-interchange.c (interchange_profitable_p): Renamed
2805         pbb_interchange_profitable_p.
2806
2807 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2808             Harsha Jagasia  <harsha.jagasia@amd.com>
2809             Pranav Garg  <pranav.garg2107@gmail.com>
2810
2811         * graphite-interchange.c (interchange_profitable_p): Make static.
2812         (pbb_interchange_loop_depths, pbb_do_interchange,
2813         scop_do_interchange): New.
2814         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2815         for flag_loop_interchange.
2816         * graphite-poly.h (scop_do_interchange): Declared.
2817         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2818         flag_loop_interchange is used.
2819
2820 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite-dependences.c (dependence_polyhedron): Update use of
2823         pbb_nb_scattering_dims.
2824         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2825         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2826         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2827         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2828
2829 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * graphite.c: Cleanup foo.
2832
2833 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * Merge from mainline (r143684:148293).
2836         * Disabled libpcp until it gets fixed.
2837
2838 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2839             Harsha Jagasia  <harsha.jagasia@amd.com>
2840
2841         * graphite-interchange.c: New.
2842         * Makefile.in (graphite-interchange.o): New.
2843         * graphite-poly.h (interchange_profitable_p): Declared.
2844         * graphite-ppl.h (value_max): New.
2845
2846 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2847
2848         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2849         * graphite-poly.h: Fix some comments.
2850         (pdr_dim): New.
2851         (pdr_scop): New.
2852
2853 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2854
2855         * graphite-poly.h
2856         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2857         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2858         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2859         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2860         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2861         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2862         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2863         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2864         * graphite-clast-to-gimple.c: Same.
2865         * graphite-dependences.c: Same.
2866         * graphite-poly.c: Same.
2867         * graphite-sese-to-poly.c: Same.
2868
2869 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2872         expressions for an IV rename, as returned by clast_to_gcc_expression.
2873         (copy_renames): Rename new_name to expr.
2874         * sese.c (debug_rename_elt): Same.
2875         (get_rename): Same.
2876         (set_rename): Same.
2877         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2878         the information from the rename map.
2879         (rename_variables_in_stmt): Same.
2880         (add_loop_exit_phis): Rename new_name to expr.
2881         (insert_loop_close_phis): Same.
2882         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2883         * sese.h (struct rename_map_elt): Rename new_name to expr.
2884         (new_rename_map_elt): Same.
2885
2886 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2887
2888         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2889         * sese.c (set_rename): Make it extern.
2890         * sese.h (set_rename): Declared.
2891
2892 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * graphite-poly.c (extend_scattering): Free values.
2895         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2896         Free iterators.
2897         (ppl_print_powerset_matrix): Same.
2898         * graphite-scop-detection.c (free_scops_1): New.
2899         (limit_scops): Call free_scops_1.
2900         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2901         (build_poly_dr): Free PPL coefficients.
2902         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2903
2904 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2905
2906         * graphite-dependences.c: New.
2907         * graphite-data-ref.c: Removed.
2908         * graphite-data-ref.h: Removed.
2909         * Makefile.in (graphite-data-ref.o): Removed.
2910         (graphite-dependences.o): Added.
2911         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2912         * graphite-poly.c: Same.
2913         Move the data dependence testing to graphite-dependences.c.
2914
2915 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2916
2917         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2918         from graphite_cannot_represent_loop. Code refactored.
2919         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2920
2921 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2922
2923         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2924         Cover all the testcases (not only the filtered ones).
2925
2926 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2927
2928         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2929         unnecessary check. Update comments. Move check for REAL_TYPE here.
2930         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2931         done in (stmt_simple_for_scop_p).
2932
2933 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2934
2935         * graphite.c (print_global_statistics): New.
2936         (print_graphite_scop_statistic): New.
2937         (print_graphite_statistics): New.
2938         (graphite_initialize, graphite_transform_loops): Print statistics.
2939         * graphite-scop-detection (build_scops): Print statistics.
2940         (print_graphite_scop_statistics): New.
2941         (print_graphite_statistics): New.
2942
2943 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2944
2945         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2946         (debug_clast_name_index): Removed.
2947         (debug_clast_name_indexes_1): Removed.
2948         (debug_clast_name_indexes): Removed.
2949         (clast_name_index_elt_info): Removed.
2950         (eq_clast_name_indexes): Removed.
2951         (clast_name_to_index): Removed.
2952         (new_clast_name_index): Removed.
2953         (save_clast_name_index): Removed.
2954         (save_var_name): Moved...
2955         (init_sese_params_index): Removed.
2956         (clast_name_to_gcc): Remove use of name_tree.
2957         (initialize_cloog_names): Same.
2958         (gloog): Do not call init_sese_params_index.
2959         * graphite-sese-to-poly.c (save_var_name): ...here.
2960         (parameter_index_in_region): New.
2961         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2962         (parameter_index_in_region): Removed.
2963         (is_parameter): Remove use of name_tree.
2964         * sese.h (struct name_tree): Removed.
2965         (struct sese): Remove use of name_tree.  New field params_names.
2966         (SESE_PARAMS_NAMES): New.
2967         (SESE_PARAMS): Remove duplicate.
2968         (parameter_index_in_region): Removed.
2969         (sese_nb_params): Remove use of name_tree.
2970         (struct clast_name_index): New.
2971         (new_clast_name_index): New.
2972         (clast_name_to_index): New.
2973         (save_clast_name_index): New.
2974         (debug_clast_name_index): New.
2975         (debug_clast_name_indexes_1): New.
2976         (debug_clast_name_indexes): New.
2977         (clast_name_index_elt_info): New.
2978         (eq_clast_name_indexes): New.
2979
2980 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2983         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2984         (graphite_loop_normal_form): Do not pass region.  Do not
2985         initialize SESE_OLDIVS.
2986         (build_graphite_loop_normal_form): Update call to
2987         graphite_loop_normal_form.
2988         * sese.c (debug_oldivs): Removed.
2989         (new_sese): Do not initialize SESE_OLDIVS.
2990         (free_sese): Do not free SESE_OLDIVS.
2991         (oldiv_for_loop): Removed.
2992         * sese.h (struct sese): Remove old_ivs.
2993         (SESE_OLDIVS): Removed.
2994         (oldiv_for_loop): Removed.
2995
2996 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2999         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3000         replaced by a call to newivs_to_depth_to_newiv.
3001         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3002         (clast_to_gcc_expression_red): Same.
3003         (gcc_type_for_clast_expr): Same.
3004         (gcc_type_for_clast_eq): Same.
3005         (graphite_translate_clast_equation): Same.
3006         (graphite_create_guard_cond_expr): Same.
3007         (graphite_create_new_guard): Same.
3008         (graphite_create_new_loop): Same.
3009         (build_iv_mapping): Same.
3010         (translate_clast): Same.
3011         (gloog): Same.
3012         (loop_iv_stack_patch_for_consts): Removed.  *
3013         sese.c (iv_stack_entry_is_constant): Removed.
3014         (iv_stack_entry_is_iv): Removed.
3015         (loop_iv_stack_push_iv): Removed.
3016         (loop_iv_stack_insert_constant): Removed.
3017         (loop_iv_stack_pop): Removed.
3018         (loop_iv_stack_get_iv): Removed.
3019         (loop_iv_stack_get_iv_from_name): Removed.
3020         (debug_loop_iv_stack): Removed.
3021         (free_loop_iv_stack): Removed.
3022         (loop_iv_stack_remove_constants): Removed.  *
3023         sese.h (iv_stack_entry_kind): Removed.
3024         (iv_stack_entry_data_union): Removed.
3025         (iv_stack_entry_struct): Removed.
3026         (iv_stack_entry_p): Removed.
3027         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3028         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3029         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3030         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3031         (gbb_loop_at_index): Fix indenting.
3032         (gbb_loop_index): Removed.
3033
3034 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3035
3036         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3037         Call clast_name_to_index.
3038
3039 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3042         do not pass params.  Get params from SESE_PARAMS.
3043         (clast_to_gcc_expression): Same.
3044         (clast_to_gcc_expression_red): Same.
3045         (gcc_type_for_clast_eq): Same.
3046         (graphite_translate_clast_equation): Same.
3047         (graphite_create_new_loop): Same.
3048         * sese.c (rename_variables_in_stmt): Fix comment.
3049
3050 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3051
3052         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3053         newivs_index.
3054         Call save_clast_name_index.
3055         (translate_clast): Pass newivs_index.
3056         (gloog): Create and free newivs_index.
3057
3058 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3061         (clast_name_index_p): New type.
3062         (debug_clast_name_index): New.
3063         (debug_clast_name_indexes_1): New.
3064         (debug_clast_name_indexes): New.
3065         (clast_name_index_elt_info): New.
3066         (eq_clast_name_indexes): New.
3067         (clast_name_to_index): New.
3068         (new_clast_name_index): New.
3069         (save_clast_name_index): New.
3070         (init_sese_params_index): New.
3071         (gloog): Call init_sese_params_index.
3072         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3073         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3074         (free_sese): Free SESE_PARAMS_INDEX.
3075         * sese.h (struct sese): Add params_index.
3076         (SESE_PARAMS_INDEX): New.
3077
3078 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3079
3080         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3081         (graphite_create_new_loop): Pass the newivs vector.  Push the
3082         newly created IV to newivs.
3083         (translate_clast): Pass the newivs vector.
3084         (gloog): Create and destroy the newivs vector.
3085
3086 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3087
3088         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3089         (graphite_loop_normal_form): Initialize loop->aux with the unique
3090         IV that has been created.
3091
3092 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3093
3094         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3095         scev with parameters in the base part. They where forbidden
3096         exidently.
3097
3098 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3099
3100         * gcc.dg/graphite/graphite.exp: Set different default
3101         compile options by file names.
3102         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3103         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3104         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3105         * gcc.dg/graphite/scop-matmult.c: Ditto.
3106
3107 2009-05-08  Li Feng <nemokingdom@gmail.com>
3108
3109         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3110         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3111         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3112         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3113
3114 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3115
3116         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3117         by final cleanup.
3118
3119 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3120
3121         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3122         allow integer constant strides.
3123         (graphite_can_represent_expr): Depend on outermost_loop.
3124         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3125         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3126         build_scops_1): Same.
3127         (scopdet_basic_block_info): Same and insert layered SCoP
3128         detection.
3129         (try_generate_gimple_bb): Cleanup.
3130         (build_scops): Enable data references.
3131
3132         * gcc.dg/graphite/id-5.c: New.
3133         * gcc.dg/graphite/id-9.c: New.
3134         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3135         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3136
3137 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3138
3139         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3140         that we have not yet built for this SCoP.
3141
3142 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3143
3144         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3145         for complex numbers.
3146
3147 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3148
3149         * graphite-ppl.c: Fix build if cloog is not available.
3150
3151 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3152
3153         * tree-parloops.c (loop_parallel_p): Remove construction of
3154         NITER and REDUCTION_LIST.
3155         (try_get_loop_niter): New.
3156         (try_create_reduction_list): New.
3157         (parallelize_loops): Bypass the failed checkings in autopar
3158         when can_be_parallel in loop structure is set to true.
3159
3160 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3161
3162         * gcc.dg/graphite/id-6.c: Update testcase.
3163         * gcc.dg/graphite/scop-3.c: Dito.
3164
3165 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3166
3167         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3168         Enable EQ_EXPR and NE_EXPR again.
3169
3170 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3171
3172         * graphite-scop-detection.c (graphite_can_represent_scev):
3173         Add check if scev is affine multivariate.
3174         (harmful_stmt_in_bb): Check if we can represent the conditions.
3175         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3176         harmful_stmt_in_bb.
3177         * gcc.dg/graphite/id-7.c: New.
3178
3179 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3180
3181         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3182         Check all bbs in region, not only the bbs that are represented in
3183         GRAPHITE.
3184         (build_poly_scop): Add newline.
3185         * gcc.dg/graphite/id-8.c: New.
3186
3187 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3188
3189         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3190         when loop initialize.
3191         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3192         * common.opt: Declare flag_graphite_force_parallel.
3193         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3194         loop parallel.
3195         * graphite-poly.c (apply_poly_transforms): Introduce
3196         flag_graphite_force_parallel.
3197         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3198         * toplev.c (process_options): ditto and replace a not correctly
3199         encoded space.
3200
3201 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3202
3203         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3204         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3205         to the redefinition.
3206         (compute_cloog_iv_types_1): ditto.
3207         (build_iv_mapping): ditto.
3208         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3209         initialization.
3210         (free_gimple_bb): Removed GBB_LOOPS related free part.
3211         (build_bb_loops): Removed.
3212         * sese.h (struct gimple_bb): Removed loops.
3213         (GBB_LOOPS): Removed.
3214         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3215         (gbb_loop_index): ditto.
3216
3217 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3218
3219         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3220         allow non constant strides.
3221         * gcc.dg/graphite/scop-20.c: New.
3222
3223 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3224
3225         * graphite-scop-detection.c (dot_all_scops): Fix system call
3226         return value warning.
3227         (dot_scop): Same.
3228
3229 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3230
3231         * gcc.dg/graphite/id-6.c: Fix pattern.
3232         * gcc.dg/graphite/scop-3.c: Same.
3233
3234 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3237         build_pairwise_constraint, dr_equality_constraints,
3238         build_pairwise_scheduling_equality,
3239         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3240         build_lexicographically_gt_constraint, dependence_polyhedron,
3241         graphite_legal_transform_dr, graphite_legal_transform_bb,
3242         graphite_legal_transform): New.
3243         * graphite-poly.h (graphite_legal_transform): Declared.
3244         * graphite-sese-to-poly.c (build_poly_scop): Call to
3245         graphite_legal_transform is disabled for the moment.
3246
3247 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3248
3249         * graphite-poly.h (pbb_nb_scattering_dims): New.
3250         (pbb_nb_scattering): Use it.
3251
3252 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3253
3254         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3255         Pointset_Powerset version of ppl_insert_dimensions.
3256         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3257
3258 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3261
3262 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3263
3264         * graphite-poly.h: Fix comment.
3265
3266 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3267
3268         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3269
3270 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3271
3272         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3273         statements.
3274
3275 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3276
3277         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3278         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3279         conditions.
3280
3281 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3282
3283         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3284         handle EQ_EXPR and NE_EXPR.
3285
3286 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3287
3288         * graphite-poly.h (poly_dr): Fix comment.
3289
3290 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3291             Tobias Grosser  <grosser@fim.uni-passau.de>
3292
3293         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3294         with a zero dimension polyhedron.
3295         (find_scop_parameters): Move the call to scop_set_nb_params here.
3296         (build_loop_iteration_domains): Store in loop->aux the iteration
3297         domain polyhedron.
3298         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3299         by any loop in scop.
3300         (build_poly_scop): Do not call scop_set_nb_params.
3301
3302 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3303             Tobias Grosser  <grosser@fim.uni-passau.de>
3304
3305         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3306         add_condition_to_domain not GT_EXPR.
3307
3308 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3309
3310         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3311         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3312         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3313         upper_bound_assign to calculate unions.
3314         * gcc.dg/graphite/id-6.c: New.
3315
3316 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3317
3318         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3319         handle abnormal edges.
3320
3321 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3322
3323         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3324         (free_poly_bb): Also free poly_drs.
3325         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3326         (poly_dr): Polyhedron to Pointset_Powerset.
3327         (pdr_accessp_nb_subscripts): Same.
3328         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3329         poly_drs.
3330
3331 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3332
3333         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3334         names into more meaningful names.
3335
3336 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338         * gfortran.dg/graphite/interchange-1.c: New.
3339         * gfortran.dg/graphite/interchange-2.c: New.
3340
3341 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3344         the reduction_list.
3345         * tree-parloops.c (rewrite_phi_with_iv): New.
3346         (rewrite_all_phi_nodes_with_iv): New.
3347         (canonicalize_loop_ivs): Call them.
3348
3349 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3352         graphite_find_data_references_in_stmt.
3353         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3354         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3355
3356 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3357
3358         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3359
3360 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3363         instead of bb_in_region.
3364         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3365         (build_sese_conditions): Use flag_bb_in_sese.
3366         * sese.c (register_bb_in_sese): Removed.
3367         (new_sese): Remove initialization of SESE_REGION_BBS.
3368         (free_sese): Do not free SESE_REGION_BBS.
3369         * sese.h (struct sese): Remove field region_basic_blocks.
3370         (SESE_REGION_BBS): Removed.
3371         (bb_in_sese_p): Implement in function of bb_in_region.
3372
3373 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3374
3375         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3376         loops.
3377
3378 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3379
3380         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3381         and EQ_EXPR.
3382         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3383         (add_condition_to_domain): New.
3384         (add_condition_to_pbb): New.
3385         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3386         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3387
3388 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3389
3390         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3391         ppl_Pointset_Powerset.
3392         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3393         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3394         (pbb_nb_loops): Same.
3395         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3396         add_conditions_to_domain): Same.
3397         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3398         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3399         ppl_const_Polyhedron_t.
3400         (ppl_print_powerset_matrix): New.
3401         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3402         ppl_print_powerset_matrix): New.
3403         (ppl_print_polyhedron_matrix): Updated.
3404
3405 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3408
3409 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3412         (print_iteration_domains, debug_iteration_domain,
3413         debug_iteration_domains): New.
3414         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3415         debug_iteration_domains): Declared.
3416         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):&nb