+2007-10-31 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/32377
+ * tree-data-ref.c (compute_overlap_steps_for_affine_univar): Make it
+ work also for unknown number of iterations.
+ (analyze_subscript_affine_affine): Clean up. Don't fail when the
+ number of iterations is not known.
+
+2007-10-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/33779
+ * fold-const.c (extract_muldiv_1): Make sure to not introduce
+ new undefined integer overflow.
+ (fold_binary): Avoid useless conversion.
+
+2007-10-31 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR target/33948
+ * config/mips/mips.c (mips_fpr_return_fields): Fix SCALAR_TYPE_P
+ check.
+
+2007-10-31 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/rs6000/rs6000.opt: Rename -mdfp option to -mhard-dfp.
+
+ * config/s390/s390.c: (override_options): Replace -mhard-dfp/-msoft-dfp
+ with -mhard-dfp/-mno-hard-dfp.
+ * config/s390/s390.opt: Likewise.
+ * config/s390/s390.h: Add MASK_HARD_DFP to the TARGET_DEFAULT
+ definition.
+
+2007-10-30 Janis Johnson <janis187@us.ibm.com>
+
+ * tree-ssa.c (execute_update_addresses_taken): Initialize update_vops.
+
+2007-10-30 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/invoke.texi (Option Summary): Add -fdce and -fdse to list of
+ optimization options.
+ (Optimize Options): Add -fdce and -fdse to the list of optimizations
+ enabled by -O. Document -fdce and -fdse.
+
+2007-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/33709
+ * fold-const.c (fold_binary): If one argument is COMPOUND_EXPR,
+ convert second operand of COMPOUND_EXPR to the original type of
+ that argument.
+
+2007-10-30 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (add_vars_for_offset): Fix exit test
+ of loop adding SFTs as virtual operands.
+
+2007-10-30 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (dse.o): Add $(OPTABS_H) and $(RECOG_H) dependencies.
+
+2007-10-29 Dorit Nuzman <dorit@il.ibm.com>
+
+ PR tree-optimization/32893
+ * tree-vectorize.c (vect_can_force_dr_alignment_p): Check
+ STACK_BOUNDARY instead of PREFERRED_STACK_BOUNDARY.
+
+2007-10-29 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ * longlong.h (add_ssaaaa): Support Intel asm syntax in i386 and
+ x86_64 versions.
+ (sub_ddmmss): Likewise.
+ (umul_ppmm): Likewise.
+ (udiv_qrnnd): Likewise.
+
+2007-10-29 Janis Johnson <janis187@us.ibm.com>
+
+ PR testsuite/24841
+ * doc/sourcebuild.texi (Test Directives): Document that dg-require
+ directives must come before dg-additional-sources.
+
+2007-10-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/33723
+ * c-gimplify.c (c_gimplify_expr): Optimize INIT_EXPR or
+ MODIFY_EXPR with non-addressable COMPOUND_LITERAL_EXPR as source.
+
+2007-10-29 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ PR tree-optimization/33614
+ * gimplify.c (gimplify_init_constructor): Gimplify vector constructors
+ if they can't be reduced to VECTOR_CSTs and aren't legitimate
+ initializer constants.
+
+2007-10-29 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/33870
+ * tree-ssa-operands.c (add_vars_for_offset): Remove mpt_vars parameter.
+ (add_virtual_operand): Do not recurse into MPTs looking for pointed-to
+ SFTs.
+
+2007-10-29 Richard Guenther <rguenther@suse.de>
+
+ * passes.c (init_optimization_passes): Exchange store_copy_prop
+ with copy_prop.
+ * tree-pass.h (pass_store_copy_prop): Remove.
+ * tree-ssa-copy.c (do_store_copy_prop): Remove.
+ (stmt_may_generate-copy): Do not handle store_copy_prop.
+ (get_copy_of_val): Likewise.
+ (set_copy_of_val): Likewise.
+ (copy_prop_visit_assignment): Likewise.
+ (copy_prop_visit_stmt): Likewise.
+ (copy_prop_visit_phi_node): Likewise.
+ (init_copy_prop): Likewise.
+ (execute_copy_prop): Likewise.
+ (do_copy_prop): Remove.
+ (gate_store_copy_prop): Likewise.
+ (store_copy_prop): Likewise.
+ (pass_store_copy_prop): Likewise.
+ (pass_copy_prop): Call execute_copy_prop.
+ * opts.c (decode_options): Do not set flag_tree_store_copy_prop.
+ * common.opt (ftree-store-copy-prop): Mark obsolete.
+ * doc/invoke.texi (ftree-store-copy-prop): Remove documentation.
+
+2007-10-29 Ian Lance Taylor <iant@google.com>
+
+ * ifcvt.c (noce_can_store_speculate_p): New static function.
+ (noce_process_if_block): Call it.
+ (if_convert): Remove recompute_dominance parameter. Change all
+ callers.
+
+2007-10-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow-inline.h (get_subvar_at): Use binary search.
+ (get_first_overlapping_subvar): New function to binary search
+ for the first overlapping subvar.
+ * tree-ssa-operands.c (add_vars_for_offset): Strip down to
+ just handle adding subvars for a pointed-to subvar. Optimize
+ and use get_first_overlapping_subvar.
+ (add_vars_for_bitmap): Fold into single caller.
+ (add_virtual_operand): Streamline, inherit add_vars_for_bitmap
+ and non pointed-to bits of add_vars_for_offset.
+
+2007-10-29 Revital Eres <eres@il.ibm.com>
+
+ * modulo-sched.c (sms_schedule): Add DF_UD_CHAIN problem.
+
+2007-10-29 Razya Ladelsky <razya@il.ibm.com>
+ Zdenek Dvorak <ook@ucw.cz>
+
+ OMP_ATOMIC Changes,
+ reduction support for automatic parallelization.
+
+ * expr.c (expand_expr_real_1): Add cases for OMP_ATOMIC_LOAD,
+ OMP_ATOMIC_STORE.
+ * Makefile.in: Add dependencies to expr.o, tree-parloops.o, omp-low.o
+ * tree-pretty-print.c (dump_generic_node): Add OMP_ATOMIC_LOAD
+ and OMP_ATOMIC_STORE.
+ * tree.h (OMP_DIRECTIVE_P): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * gimple-low.c (lower_stmt): Same.
+ * gimplify.c (gimplify_expr): Same.
+ (gimplify_omp_atomic_fetch_op, gimplify_omp_atomic_pipeline,
+ gimplify_omp_atomic_mutex): Remove.
+ (gimplify_omp_atomic): Change it to simply gimplify the
+ statement instead of expanding it.
+ * omp-low.c: Add includes to optabs.h, cfgloop.h.
+ (expand_omp_atomic, expand_omp_atomic_pipeline,
+ goa_stabilize_expr, expand_omp_atomic_mutex,
+ expand_omp_atomic_fetch_op): New functions to implement
+ expansion of OMP_ATOMIC.
+ (expand_omp, build_omp_regions_1): Add support for
+ OMP_ATOMIC_LOAD/OMP_ATOMIC_STORE.
+ * tree-cfg.c (make_edges): add case for OMP_ATOMIC_LOAD,
+ OMP_ATOMIC_STORE.
+ * tree-gimple.c (is_gimple_stmt): Add OMP_ATOMIC_LOAD,
+ OMP_ATOMIC_STORE.
+ * tree-parloops.c: add include to tree-vectorizer.h.
+ (reduction_info): New structure for reduction.
+ (reduction_list): New list to represent list of reductions per loop.
+ (struct data_arg): New helper structure for reduction.
+ (reduction_info_hash, reduction_info_eq, reduction_phi,
+ initialize_reductions, create_call_for_reduction,
+ create_phi_for_local_result, create_call_for_reduction_1,
+ create_loads_for_reductions, create_final_loads_for_reduction):
+ New functions.
+ (loop_parallel_p): Identify reductions, add reduction_list parameter.
+ (separate_decls_in_loop_name): Support reduction variables.
+ (separate_decls_in_loop): Add reduction_list and ld_st_data arguments,
+ call create_loads_for_reduction for each reduction.
+ (canonicalize_loop_ivs): Identify reductions, add reduction_list
+ parameter.
+ (transform_to_exit_first_loop): Add reduction support, add
+ reduction_list parameter.
+ (gen_parallel_loop): Add reduction_list parameter. Add call
+ separate_decls_in_loop with
+ the new argument. Traverse reductions and call
+ initialize_reductions, create_call_for_reduction.
+ (parallelize_loops): Create and delete the reduction list.
+ (add_field_for_name): Change use of data parameter. Add fields for
+ reductions.
+ * tree-vectorizer.h (vect_analyze_loop_form): Add declaration.
+ * tree-vect-analyze.c (vect_analyze_loop_form): export it.
+ * tree.def: Add definitions for OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * tree-inline.c (estimate_num_insns_1): add cases for
+ OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * tree-cfg.c (make_edges): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+ * tree-ssa-operands.c (get_addr_dereference_operands):
+ New function. Subroutine of get_indirect_ref_operands.
+ (get_indirect_ref_operands): Call get_addr_dereference_operands.
+ (get_expr_operands): Support OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
+
+
2007-10-29 Hans-Peter Nilsson <hp@axis.com>
* config/cris/cris.c: Include df.h.
DW_ATE_signed_fixed to describe FIXED_POINT_TYPE.
2007-10-24 Samuel Tardieu <sam@rfc1149.net>
- Olga Golovanevsky <olga@il.ibm.com>
+ Olga Golovanevsky <olga@il.ibm.com>
* ipa-struct-reorg.c (replace_field_acc): Make it clear to
the compiler that wr.wrap and wr.domain are initialized in
2007-10-18 Chen Liqin <liqin@sunnorth.com.cn>
- * config.gcc : update score-*-elf(extra_objs).
- * config/score/mac.md : Remove.
- * config/score/misc.md : Remove.
- * config/score/score7.md : Remove.
- * config/score/score-mdaux.h : Remove.
- * config/score/score-mdaux.c : Remove.
- * config/score/score-version.h : Remove.
- * config/score/score-generic.md : New.
- * config/score/score3.h : New.
- * config/score/score3.c : New.
- * config/score/score7.h : New.
- * config/score/score7.c : New.
- * config/score/mul-div.S : add flush_cache score3 support.
- * config/score/elf.h : Fix some typos.
- * config/score/score.md : merge score3 and score7 pattern.
- * config/score/score.c : use to seperate which target it used.
- * config/score/score.h : use to seperate the target macro.
- * config/score/score.opt : remove -mmac option , add -mscore3,
- -mscore3d and -march OPTION support.
+ * config.gcc : update score-*-elf(extra_objs).
+ * config/score/mac.md : Remove.
+ * config/score/misc.md : Remove.
+ * config/score/score7.md : Remove.
+ * config/score/score-mdaux.h : Remove.
+ * config/score/score-mdaux.c : Remove.
+ * config/score/score-version.h : Remove.
+ * config/score/score-generic.md : New.
+ * config/score/score3.h : New.
+ * config/score/score3.c : New.
+ * config/score/score7.h : New.
+ * config/score/score7.c : New.
+ * config/score/mul-div.S : add flush_cache score3 support.
+ * config/score/elf.h : Fix some typos.
+ * config/score/score.md : merge score3 and score7 pattern.
+ * config/score/score.c : use to seperate which target it used.
+ * config/score/score.h : use to seperate the target macro.
+ * config/score/score.opt : remove -mmac option , add -mscore3,
+ -mscore3d and -march OPTION support.
2007-10-17 Andrew Pinski <andrew_pinski@playstation.sony.com>
2007-10-15 Razya Ladelsky <razya@il.ibm.com>
- * matrix-reorg.c (gate_matrix_reorg): Don't comment out whole
- program flag.
+ * matrix-reorg.c (gate_matrix_reorg): Don't comment out whole
+ program flag.
2007-10-15 Jakub Jelinek <jakub@redhat.com>
2007-10-10 Wolfgang Gellerich <gellerich@de.ibm.com>
* opth-gen.awk: Fixed generation of comment stating the origin
- of options.h
+ of options.h
2007-10-10 Kazu Hirata <kazu@codesourcery.com>
* config/m68k/m68k.h (ASSEMBLER_DIALECT): New.
2007-10-06 Eric Botcazou <ebotcazou@adacore.com>
- Nathan Froyd <froydnj@codesourcery.com>
+ Nathan Froyd <froydnj@codesourcery.com>
* dwarf2out.c (dwarf2out_frame_init): Check for DWARF2_FRAME_INFO
when determining whether to record INCOMING_RETURN_ADDR_RTX.