2008-05-20 Sebastian Pop <sebastian.pop@amd.com>

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,66 @@
+2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
+           Jan Sjodin  <jan.sjodin@amd.com>
+
+       PR tree-optimization/36181
+       * tree-parloops.c (loop_has_vector_phi_nodes): New.
+       (parallelize_loops): Don't parallelize when the loop has vector
+       phi nodes.
+
+2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       * tree-loop-linear.c (gather_interchange_stats): Look in the access matrix,
+       and never look at the tree representation of the memory accesses.
+       (linear_transform_loops): Computes parameters and access matrices.
+       * tree-data-ref.c (compute_data_dependences_for_loop): Returns false when fails.
+       (access_matrix_get_index_for_parameter): New.
+       * tree-data-ref.h (struct access_matrix): New.
+       (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
+       AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
+       AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
+       am_vector_index_for_loop): New.
+       (struct data_reference): Add field access_matrix.
+       (DR_ACCESS_MATRIX): New.
+       (compute_data_dependences_for_loop): Update declaration.
+       (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
+       * lambda.h (lambda_vector_vec_p): Declared.
+       * lambda-code.c: Depend on pointer-set.h.
+       (lambda_collect_parameters_from_af, lambda_collect_parameters,
+       av_for_af_base, av_for_af, build_access_matrix,
+       lambda_compute_access_matrices): New.
+       * Makefile.in (lambda-code.o): Depend on pointer-set.h.
+
+2008-05-20  Joseph Myers  <joseph@codesourcery.com>
+
+       * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
+       $SOURCEDIR/include.
+
+2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR tree-optimization/36206
+       * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
+       FOLD_CONVERSIONS.
+       (instantiate_scev_1): Rename flags to fold_conversions.
+       Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
+       outeside instantiation_loop.
+       * tree-chrec.h (evolution_function_is_affine_in_loop): New.
+       (evolution_function_is_affine_or_constant_p): Removed.
+       * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
+       instantiate_scev.
+       (analyze_siv_subscript): Pass in the loop nest number.
+       Call evolution_function_is_affine_in_loop instead of 
+       evolution_function_is_affine_p.
+       (analyze_overlapping_iterations): Pass in the loop nest number.
+
+2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR tree-optimization/36206
+       * tree-chrec.h (chrec_fold_op): New.
+       * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and
+       other trees.
+
 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
 
        * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.