+2009-05-01 Steven Bosscher <steven@gcc.gnu.org>
+
+ * store-motion.c: Many cleanups to make this pass a first-class
+ citizen instead of an appendix to gcse load motion. Add TODO list
+ to make this pass faster/cleaner/better.
+
+ (struct ls_expr): Post gcse.c-split cleanups.
+ Rename to st_expr. Rename "loads" field to "antic_stores". Rename
+ "stores" field to "avail_stores".
+ (pre_ldst_mems): Rename to store_motion_mems.
+ (pre_ldst_table): Rename to store_motion_mems_table.
+ (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
+ (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
+ (ldst_entry): Rename to st_expr_entry, update users.
+ (free_ldst_entry): Rename to free_st_expr_entry, update users.
+ (free_ldst_mems): Rename to free_store_motion_mems, update users.
+ (enumerate_ldsts): Rename to enumerate_store_motion_mems, update caller.
+ (first_ls_expr): Rename to first_st_expr, update users.
+ (next_ls_expr): Rename to next_st_expr, update users.
+ (print_ldst_list): Rename to print_store_motion_mems. Print names of
+ fields properly for store motion instead of names inherited from load
+ motion in gcse.c.
+ (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
+ (LAST_AVAIL_CHECK_FAILURE): Explain what this is. Undefine when we
+ are done with it.
+
+ (ae_kill): Rename to st_kill, update users.
+ (ae_gen): Rename to st_avloc, update users.
+ (transp): Rename to st_transp, update users.
+ (pre_insert_map): Rename to st_insert_map, update users.
+ (pre_delete_map): Rename to st_delete_map, update users.
+ (insert_store, build_store_vectors, free_store_memory,
+ one_store_motion_pass): Update for abovementioned changes.
+
+ (gcse_subst_count, gcse_create_count): Remove.
+ (one_store_motion_pass): New statistics counters "n_stores_deleted"
+ and "n_stores_created", local variables.
+
+ (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
+ use for_each_rtx.
+
+ (regvec, compute_store_table_current_insn): Remove.
+ (reg_set_info, reg_clear_last_set): Remove.
+ (compute_store_table): Use DF caches instead of local dataflow
+ solvers.
+
+2009-05-01 Joseph Myers <joseph@codesourcery.com>
+
+ * c-objc-common.c (c_tree_printer): Print identifiers with
+ pp_identifier, not pp_string. Mark "({anonymous})" for
+ translation.
+ * c-pretty-print.c (pp_c_ws_string): New.
+ (pp_c_cv_qualifier, pp_c_type_specifier,
+ pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
+ pp_c_storage_class_specifier, pp_c_function_specifier,
+ pp_c_attributes, pp_c_bool_constant, pp_c_constant,
+ pp_c_primary_expression, pp_c_postfix_expression,
+ pp_c_unary_expression, pp_c_shift_expression,
+ pp_c_relational_expression, pp_c_equality_expression,
+ pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
+ use pp_string and pp_c_ws_string in place of pp_identifier and
+ pp_c_identifier for non-identifiers. Mark English strings for
+ translation.
+ * c-pretty-print.h (pp_c_ws_string): Declare.
+
+2009-04-30 Paul Pluzhnikov <ppluzhnikov@google.com>
+ Roland McGrath <roland@redhat.com>
+
+ * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id
+ support.
+ (ENABLE_LD_BUILDID): New configuration option.
+ * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
+ (LINK_BUILDID_SPEC): New macro.
+ (init_spec): If defined, prepend it between LINK_EH_SPEC and
+ link_spec.
+ * doc/install.texi: Document --enable-linker-build-id option.
+ * configure: Rebuild.
+ * config.in: Rebuild.
+
+2009-04-30 Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
+ MIPS_GP_SAVE_AREA_SIZE): Define new macros.
+ (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD. Use
+ MIPS_GP_SAVE_AREA_SIZE.
+ * config/mips/mips.c (struct mips_frame_info): Update comment
+ before arg_pointer_offset and hard_frame_pointer_offset.
+ (mips_compute_frame_info): Update diagram before function: to
+ correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
+ indicate the position of frame_pointer_rtx with -fstack-protector and
+ to show args_size. Don't allocate cprestore area for leaf functions
+ if FRAME_GROWS_DOWNWARD. Use MIPS_GP_SAVE_AREA_SIZE to set
+ cprestore_size.
+ (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
+
+2009-04-30 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/39955
+ * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
+
+2009-04-30 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ * ira.c (setup_cover_and_important_classes): Use safe macro
+ REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
+ directly.
+ * genpreds.c (write_tm_preds_h): Output suitable definition of
+ REG_CLASS_FOR_CONSTRAINT.
+
+2009-04-30 Rafael Avila de Espindola <espindola@google.com>
+
+ * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
+ instead of an int.
+ * bitmap.c (bitmap_descriptor): Likewise.
+ * ggc-common.c (loc_descriptor): Likewise.
+ * varray.c (varray_descriptor): Likewise.
+ * vec.c (vec_descriptor): Likewise.
+
+2009-04-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * Makefile.in (dce.o): Add $(EXCEPT_H).
+ * dce.c: Include except.h and delete redundant vector definitions.
+ (deletable_insn_p): Return false for non-call insns that can throw
+ if DF is running.
+
+2009-04-30 Steven Bosscher <steven@gcc.gnu.org>
+
+ * gcse.c (ae_gen): Remove.
+ (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
+ and make non-static function to make it available in store-motion.c.
+ Update call sites with search-and-replace.
+ (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
+ extract_mentioned_regs, extract_mentioned_regs_helper,
+ find_moveable_store, compute_store_table, load_kills_store, find_loads,
+ store_killed_in_insn, store_killed_after, store_killed_before,
+ build_store_vectors, insert_insn_start_basic_block, insert-store,
+ remove_reachable_equiv_notes, replace_store_insn, delete_store,
+ free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
+ execute_rtl_store_motion, pass_rtl_store_motion): Move to...
+ * store-motion.c: ...new file. Also copy data structures from gcse.c
+ and clean up to remove parts not used by store motion.
+ * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
+ * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
+
+2009-04-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ PR target/38571
+ * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
+ when optimizing for size.
+
+2009-04-30 Hans-Peter Nilsson <hp@axis.com>
+
+ * gcse.c (gcse_constant_p): Fix typo in last change.
+
+2009-04-30 Rafael Avila de Espindola <espindola@google.com>
+
+ * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
+
+2009-04-30 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * gcse.c (gcse_constant_p): Make sure the constant is sharable.
+
+2009-04-29 James E. Wilson <wilson@codesourcery.com>
+
+ * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
+ CONST_HIGH_PART result.
+
+2009-04-29 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (initial_elimination_offset): Rename to
+ avr_initial_elimination_offset.
+ (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
+ change return type to bool.
+ (avr_can_eliminate): New function.
+ * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
+ (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
+ (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
+ * config/avr/avr-protos.h (initial_elimination_offset) : Rename to
+ avr_initial_elimination_offset.
+ (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
+ (avr_initial_elimination_offset): Define.
+
+2009-04-29 Eric Botcazou <ebotcazou@adacore.com>
+ Steven Bosscher <steven@gcc.gnu.org>
+
+ PR rtl-optimization/39938
+ * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
+ * cfgrtl.c: Include insn-attr.h.
+ (rest_of_pass_free_cfg): New function.
+ (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
+ * resource.c (init_resource_info): Remove call to df_analyze.
+
+2009-04-29 Richard Guenther <rguenther@suse.de>
+
+ PR target/39943
+ * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
+ allow conversion to signed integers.
+
+2009-04-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_gimple_assign_binary): Allow vector
+ shifts of floating point vectors if the shift amount is
+ a constant multiple of the element size.
+
+2009-04-29 Andreas Krebbel <krebbel1@de.ibm.com>
+ Michael Matz <matz@suse.de>
+
+ PR middle-end/39927
+ PR bootstrap/39929
+ * tree-outof-ssa.c (emit_partition_copy): New function.
+ (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
+ insert_part_to_rtx_on_edge): Perform the partition base var
+ copy using emit_partition_copy.
+ (insert_value_copy_on_edge): Convert constants to the right mode.
+ (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
+ (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
+
+2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
+ scan backwards to try to find a constant to initialize it.
+
+ * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
+ insn before the loop_end instruction, don't look past labels.
+
+2009-04-29 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/39937
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
+ loose type conversions.
+ (forward_propagate_addr_expr): Fix tuplification bug. Remove
+ stmts only if there are no uses of its definition.
+
+2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.h (splitting_loops): Declare.
+ * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
+ Reorder bit definitions to be ascending.
+ (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
+ * config/bfin/bfin.c (splitting_loops): New variable.
+ (bfin_cpus): Add WA_LOAD_LCREGS as needed.
+ (struct loop_info): Remove members INIT and LOOP_INIT.
+ (bfin_optimize_loop): Don't set them. Reorder the code that generates
+ the LSETUP sequence. Allow LC to be loaded from any register, but also
+ add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
+ (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
+ set to 1.
+ * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
+ of reload_completed.
+ From Jie Zhang:
+ * config/bfin/bfin.md (movsi_insn): Refine constraints.
+
+2009-04-29 Rafael Avila de Espindola <espindola@google.com>
+
+ * Makefile.in (PLUGIN_VERSION_H): New.
+ (OBJS-common): Remove plugin-version.o.
+ (plugin.o): Depend on (PLUGIN_VERSION_H).
+ (plugin-version.o): Remove.
+ * configure: Regenerate
+ * configure.ac: Create plugin-version.h.
+ * gcc-plugin.h (plugin_gcc_version): Remove.
+ (plugin_default_version_check): Change signature.
+ * plugin-version.c: Remove.
+ * plugin.c: Include plugin-version.h.
+ (str_plugin_gcc_version_name): Remove.
+ (try_init_one_plugin): Pass gcc version to plugin_init.
+ (plugin_default_version_check): Both gcc and plugin versions are now
+ arguments.
+
+2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
+ problematic last insns. Test for TYPE_CALL rather than CALL_P.
+ Remove special case testing for last insn of inner loops. Don't fail if
+ the loop ends with a jump, emit an extra nop instead.
+
+ * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
+ DREGS rather than comparing directly. Remove code that tries to
+ account for latencies.
+
+2009-04-29 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39941
+ * tree-ssa-pre.c (eliminate): Schedule update-ssa after
+ eliminating an indirect call.
+
+2009-04-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
+ parameter. Allow invariants as base if !require_lvalue.
+ (verify_gimple_assign_single): Adjust.
+
+2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
+ (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
+ ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3, ssubhi3,
+ ssaddhi3_parts and sssubhi3_parts.
+ (flag_mulhi3_parts): Produce a HImode output rather than trying to set
+ a VEC_SELECT.
+ * config/bfin/bfin.c (bfin_expand_builtin, case BFIN_BUILTIN_CPLX_SQU):
+ Adjust accordingly.
+
+2009-04-28 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop.c (get_initial_def_for_induction): Use
+ correct types for pointer increment.
+
+2009-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.c (print_version): Update GMP version string calculation.
+
2009-04-28 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/39938
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