Regression for lno on i686-pc-linux-gnu

[Autocrasher <autocrasher at devphil dot com>]

3 new FAIL's (20 total) have appeared for i686-pc-linux-gnu:
    gcc.sum gcc.dg/tree-ssa-chrec/ssa-chrec-53.c
    gcc.sum gcc.dg/tree-ssa-chrec/ssa-chrec-60.c
    gcc.sum gcc.dg/tree-ssa-chrec/ssa-chrec-62.c
These tests passed the last time they were ran.

Attached are the ChangeLogs since the previous run.  Possibly a patch with
your name on it has caused the problem(s).


The full transcript is at http://www.devphil.com/build/
Specific problem logs at http://www.devphil.com/build/reports/tests-lno/
(explanations of each file are on the main page; you probably want summary*)

Host was an athlon-xp (i686) system.  Target was specified as i686-pc-linux-gnu.

This particular run used standard (previously installed) binutils.

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=========================================================================

diff -u1r previous/CL/gcc/ChangeLog.lno current/CL/gcc/ChangeLog.lno
--- previous/CL/gcc/ChangeLog.lno	2004-08-28 06:45:03.000000000 -0400
+++ current/CL/gcc/ChangeLog.lno	2004-09-04 06:45:03.000000000 -0400
@@ -1 +1,172 @@
+2004-09-03  Sebastian Pop  <pop@cri.ensmp.fr>
+
+	* Makefile.in (tree-ssa-loop-niter.o): Depends on TREE_DATA_REF_H.
+	* cfgloop.h (struct nb_iter_bound): Moved here.
+	(record_estimate_niter): Declared extern here.
+	* tree-data-ref.c (compute_estimated_nb_iterations): New.
+	(estimate_niter_from_size_of_data): Pass in the statement containing
+	the data reference.  Record the estimations in loop instead of 
+	computing the minimum of the loop bounds.  Check for null pointers 
+	before computing the estimation.
+	(analyze_array_indexes): Pass in the statement containing the data 
+	reference.
+	(analyze_array): Pass to analyze_array_indexes the statement.
+	(find_data_references_in_loop): Now extern.  Compute and initialize 
+	the estimated_nb_iterations.
+	* tree-data-ref.h (find_data_references_in_loop): Declared here.
+	* tree-ssa-loop-niter.c: Include tree-data-ref.h.
+	(struct nb_iter_bound): Moved to cfgloop.h.
+	(record_estimate): Renamed record_estimate_niter.
+	(estimate_numbers_of_iterations_loop): Add a call to the data 
+	reference analyzer that finds the bounds based on the data size.
+
+	* tree-loop-linear.c (gather_interchange_stats): Don't compute the 
+	inner loop, but instead, compute it.  Pass in the offset of
+	the loop nest.
+	(try_interchange_loops): Pass to gather_interchange_stats the offset 
+	of the loop nest.
+	(linear_transform_loops): Don't fail to transform a loop nest if the 
+	loop nest itself has a sibling loop.
+
+2004-09-02  Sebastian Pop  <pop@cri.ensmp.fr>
+
+	* tree-data-ref.c (array_base_name_differ_p): Fix comments
+	formating.
+
+2004-09-02  Sebastian Pop  <pop@cri.ensmp.fr>
+
+	* tree-data-ref.c (build_classic_dist_vector, 
+	build_classic_dir_vector): Don't record information on loops
+	outer that the analyzed nest.
+
+2004-09-02  Sebastian Pop  <pop@cri.ensmp.fr>
+
+	* tree-loop-linear.c (gather_interchange_stats): Gather the
+	sum of the access functions only for the inner loops.
+
+2004-09-02  Olga Golovanevsky <olga@il.ibm.com>
+
+	* tree-vectorizer.c (get_phi_node_for_def): Removed.
+	(update_phi_nodes_for_guard, tree_duplicate_loop_to_edge_cfg): Updated.
+	(tree_duplicate_loop_to_edge): Updated.
+	(vect_generate_tmps_on_preheader): Treating also case of constant. 
+	(vect_transform_loop): Treating also case of constant 
+	non-divisibale by VF.
+	(vect_analyze_operations): Remove redundant check.
+
+2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
+	
+	* lambda-code.c (gcc_loop_to_lambda_loop): Handle GT_EXPR and GE_EXPR.
+	Get rid of unhandled loop exit test stuff.
+	Handle induction variable being on right side of test.
+	(find_induction_var_from_exit_cond): Handle induction variable
+	being on right side of test.
+
+2004-09-02  Sebastian Pop  <pop@cri.ensmp.fr>
+
+	* tree-data-ref.c (analyze_array_indexes): Determine the estimation 
+	of number of iteration also when the number_of_iterations_in_loop 
+	contains undetermined elements.
+
+2004-09-02  Sebastian Pop  <pop@cri.ensmp.fr>
+
+	* tree-loop-linear.c (gather_interchange_stats): Add more comments.
+	Gather also strides of accessed data.  Pass in the data references 
+	array.
+	(try_interchange_loops): Add a new heuristic for handling the temporal 
+	locality.  Pass in the data references array.
+	(linear_transform_loops): Pass the data references array to
+	try_interchange_loops.
+
+2004-09-02  Andreas Schwab  <schwab@suse.de>
+
+	* tree-loop-linear.c (linear_transform_loops): Fix call to
+	dump_dist_dir_vectors.
+
+2004-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
+
+	* cfgloop.h (struct loop): New fields parallel_p, and 
+	estimated_nb_iterations.
+	* tree-chrec.c (nb_vars_in_chrec): New.
+	* tree-chrec.h (nb_vars_in_chrec): Declared here.
+	* tree-data-ref.c (tree_fold_divides_p): Don't test for a equals one, 
+	this test is already in tree_fold_gcd.
+	(gcd): For integers, yet again a copy defined static.
+	(int_divides_p): Same for integers.
+	(dump_data_dependence_relation): Fix dumping.  Dump dir and dist 
+	vectors.
+	(dump_dist_dir_vectors): Don't pass in the size of the
+	vectors; it is now read from DDR_SIZE_VECT.
+	(dump_ddrs, estimate_niter_from_size_of_data, all_chrecs_equal_p): New.
+	(compute_distance_vector): Renamed compute_subscript_distance.
+	Fix comment.
+	(compute_distance_vector): Handle the case where the description of 
+	a multivariate function is a TREE_VEC.
+	(analyze_ziv_subscript, analyze_siv_subscript_cst_affine, 
+	analyze_siv_subscript, analyze_miv_subscript, 
+	analyze_overlapping_iterations, ): 
+	Pass in a pointer to last_conflicts, and initialize it.
+	(initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar, 
+	compute_overlap_steps_for_affine_1_2): New.
+	(analyze_siv_subscript_affine_cst): Removed, replaced its uses with
+	analyze_siv_subscript_cst_affine.
+	(analyze_subscript_affine_affine): Pass in a pointer to
+	last_conflicts, and initialize it.  Add a special case for avoiding 
+	the computation of the Hermite normal form when there exist a trivial 
+	solution: when gamma is zero.  Rewrite the dependence tester for using 
+	fewer tree nodes, it now uses integers for the computations.
+	(no_conflicts_p): Fix typo: return true when overlaps is chrec_known.
+	(subscript_dependence_tester): Compute the last conflict.  Initialize 
+	SUB_LAST_CONFLICT.
+	(build_classic_dist_vector, build_classic_dir_vector): Conflict 
+	functions don't store the loop number that carry the dependence.  
+	Retrieve this information from the array access function. 
+	Initialize DDR_SIZE_VECT.
+	(find_data_references_in_loop): Detect parallel loops when all the 
+	data accesses are in read only mode.  Insert a single chrec_dont_know
+	node in the data dependence graph.
+	* tree-data-ref.h (struct data_dependence_relation): Add a field
+	size_vect.
+	(DDR_SIZE_VECT): New.
+	(dump_ddrs): Declared here.
+	(dump_dist_dir_vectors): Modify the declaration.
+	(gather_interchange_stats): Fix leading comment.  Gather also the 
+	access strides, and consequently pass in the datarefs array from which
+	this information is extracted.  Correctly parenthesize the access to
+	nb_deps_not_carried_by_loop such that its value is incremented.
+	Modify the constants, such that in the unknown and known cases the 
+	dependence steps are not increased.
+	(try_interchange_loops): Pass in the datarefs array.  Add more 
+	comments.  Add a test for temporal locality: inner loops
+	should have smallest array access strides.
+	* tree-pretty-print.c (dump_generic_node): BINFO_TYPE has nothing to do 
+	with the TREE_VEC node.  Correctly dump the TREE_VEC node printing 
+	all its elements.
+
+2004-08-31  Keith Besaw  <kbesaw@us.ibm.com>
+
+	* tree-vectorizer.h (struct _loop_vec_info): Add fields ptr_mask,
+	may_misalign_stmts, and num_blocks
+	* tree-vectorizer.c (vect_compute_data_refs_alignment): Return 
+	bool so caller knows when no vectorization is possible.
+	(vect_compute_data_ref_alignment): Return bool and rearrange code
+	so false returns, no vectorization possible, are performed first.
+	(vect_analyze_data_refs): 
+	(vect_create_index_for_array_ref): Replaced with 
+	vect_create_index_for_vector_ref.
+	(vect_create_addr_base_for_vector_ref): New function, contains code from
+	vect_create_data_ref so that it may be used by that procedure and
+	by vect_create_cond_for_align_checks.
+	(vect_create_cond_for_align_checks): New function.
+	(new_loop_vec_info): initialize added _loop_vec_info fields.
+	(destroy_loop_vec_info): Use/clear added _loop_vec_info fields.
+	(vect_create_data_ref): Changed to use vect_create_index_for_vector_ref
+	and vect_create_addr_base_for_vector_ref. 
+	(vect_generate_tmps_on_preheader): Fix comment.
+	(vect_transform_loop): Add calls to tree_ssa_loop_version and
+	vect_create_cond_for_align_checks to implement the vector loop
+	versioning for alignment.
+	(vect_analyze_operations, vect_mark_stmts_to_be_vectorized,
+	vect_analyze_data_refs): Use num_blocks field from _loop_vec_info.
+
 2004-08-25  Sebastian Pop  <pop@cri.ensmp.fr>
diff -u1r previous/CL/gcc/testsuite/ChangeLog.lno current/CL/gcc/testsuite/ChangeLog.lno
--- previous/CL/gcc/testsuite/ChangeLog.lno	2004-08-24 06:45:19.000000000 -0400
+++ current/CL/gcc/testsuite/ChangeLog.lno	2004-09-04 06:45:20.000000000 -0400
@@ -1 +1,14 @@
+2004-09-02  Olga Golovanevsky  <olga@il.ibm.com>
+            Dorit Naishlos <dorit@il.ibm.com>
+
+	* gcc.dg/vect/vect-69.c: Remove redundant test.
+	* gcc.dg/vect/vect-70.c: New test.
+	* gcc.dg/vect/vect-71.c: New test.
+
+2004-08-31  Keith Besaw  <kbesaw@us.ibm.com>
+
+	* gcc.dg/vect/vect-33.c: Remove xfail *-*-*, now vectorized.
+	* gcc.dg/vect/vect-44.c: Remove xfail *-*-*, now vectorized.
+	* gcc.dg/vect/vect-48.c: Remove xfail *-*-*, now vectorized.
+
 2004-08-23  Dorit Naishlos  <dorit@il.ibm.com>