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authorDaniel Berlin <dberlin@gcc.gnu.org>2004-10-06 19:51:22 +0000
committerDaniel Berlin <dberlin@gcc.gnu.org>2004-10-06 19:51:22 +0000
commit44301a5952b1b74d2e1d6f333e0f3d0149ae27d3 (patch)
tree6f30697f257b28989b68b3c2b38166046ceaa359 /gcc
parentfeb075f48252a522607a1560915798519f3b52f9 (diff)
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It would have been nice to commit the changelog as well.
sigh From-SVN: r88623
Diffstat (limited to 'gcc')
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diff --git a/gcc/ChangeLog b/gcc/ChangeLog
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,21 @@
+2004-10-06 Daniel Berlin <dberlin@dberlin.org>
+
+ * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
+ to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
+
+2004-10-06 Daniel Berlin <dberlin@dberlin.org>
+
+ * lambda-code.c (compute_nest_using_fourier_motzkin): New
+ function.
+ (lambda_compute_auxillary_space): Split from here.
+
+2004-10-06 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
+ * tree-flow.h: Add prototype.
+ * lambda-code.c (invariant_in_loop_and_outer_loops): Use
+ expr_invariant_in_loop.
+
2004-10-06 Kazu Hirata <kazu@cs.umass.edu>
* tree-cfg.c (thread_jumps): Remove a duplicate check for
@@ -232,6 +250,67 @@
2004-10-04 Sebastian Pop <pop@cri.ensmp.fr>
+ * Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
+ * cfgloop.c (initialize_loops_parallel_p): New.
+ (flow_loops_find): Initialize the parallel_p field to true for all
+ the loops.
+ * tree-ssa-loop-niter.c: Include "tree-data-ref.h".
+ (estimate_numbers_of_iterations_loop): Infers the loop bounds from
+ the size of the data accessed in the loop.
+ (struct nb_iter_bound): Moved...
+ * cfgloop.h (struct nb_iter_bound): ... here.
+ (estimated_nb_iterations, parallel_p): New fields in struct loop.
+ (record_estimate): Declare extern here.
+ * tree-chrec.c: Fix comments.
+ (nb_vars_in_chrec): New function.
+ * tree-chrec.h (nb_vars_in_chrec): Declared here.
+ * tree-data-ref.c: Don't include lambda.h, that is already included
+ in tree-data-ref.h.
+ (tree_fold_divides_p): Don't check for integer_onep.
+ (tree_fold_bezout): Removed.
+ (gcd): New static duplicated function.
+ (int_divides_p, dump_subscript): New.
+ (dump_data_dependence_relation): Use dump_subscript.
+ (dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
+ estimate_niter_from_size_of_data): New.
+ (analyze_array_indexes, analyze_array): Call
+ estimate_niter_from_size_of_data during the detection of array
+ references. Pass in a pointer to the statement that contains the
+ array reference.
+ (all_chrecs_equal_p): New.
+ (compute_distance_vector): Renamed compute_subscript_distance.
+ Deal with multivariate conflict functions.
+ (initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
+ DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
+ (non_affine_dependence_relation): New.
+ (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
+ analyze_siv_subscript, analyze_miv_subscript,
+ analyze_overlapping_iterations, subscript_dependence_tester):
+ Initialize and return last_conflicts function.
+ (initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
+ compute_overlap_steps_for_affine_1_2): New.
+ (analyze_siv_subscript_affine_cst): Removed.
+ (analyze_subscript_affine_affine): Disprove dependences based on the
+ iteration domains. Solve the univariate dependence case as before,
+ but use lambda_matrix_right_hermite instead of tree_fold_bezout.
+ Implement the multivariate case of 2 versus 1 variables.
+ (undetermined_conflicts_p, no_conflicts_p): New.
+ (build_classic_dist_vector, build_classic_dir_vector): Implement some
+ unhandled cases.
+ (find_data_references_in_loop): Compute and initialize
+ loop->estimated_nb_iterations and loop->parallel_p.
+ (analyze_all_data_dependences): Modify the debug dump order.
+ * tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
+ subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
+ (SUB_LAST_CONFLICT, subscript->last_conflict,
+ data_dependence_relation->affine_p, data_dependence_relation->size_vect,
+ DDR_AFFINE_P, DDR_SIZE_VECT): New.
+ (find_data_references_in_loop, initialize_data_dependence_relation,
+ dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.
+
+
+2004-10-04 Sebastian Pop <pop@cri.ensmp.fr>
+
* tree-data-ref.c (array_base_name_differ_p): Fix comments. When
the predicate cannot be computed, don't initialize the result to
false.