+2010-05-05 Jason Merrill <jason@redhat.com>
+
+ PR c++/43787
+ * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
+ returns GS_OK.
+ (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
+
+2010-05-05 Alexandre Oliva <aoliva@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/43478
+ * df-problems.c (struct dead_debug_use, struct dead_debug): New.
+ (dead_debug_init, dead_debug_finish): New functions.
+ (dead_debug_add, dead_debug_insert_before): Likewise.
+ (df_note_bb_compute): Initialize a dead_debug object, add dead
+ debug uses to it, insert debug bind insns before death insns,
+ reset debug insns that refer to pending uses at the end.
+ * rtl.h (make_debug_expr_from_rtl): New prototype.
+ * varasm.c (make_debug_expr_from_rtl): New function.
+
+2010-05-05 Jan Hubicka <jh@suse.cz>
+
+ * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
+ (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
+ lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
+ lto_varpool_encoder_encode_initializer_p,
+ lto_set_varpool_encoder_encode_initializer): New functions.
+ (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
+ call output_varpool.
+ (input_varpool_node): Do not always set analyzed.
+ (input_cgraph_1): Return vector of cgraph nodes.
+ (input_varpool_1): Return vector of varpools.
+ (input_cgraph): Free the vectors.
+ * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
+ output only initializers needed.
+ (lto_output): Only call output_cgraph.
+ (produce_asm_for_decls): Call lto_varpool_encoder_delete.
+ * lto-section-out.c (lto_new_out_decl_state): Initialize
+ state->varpool_node_encoder.
+ * lto-streamer.h (lto_varpool_encoder_d): New.
+ (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
+ (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
+ (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
+ lto_varpool_encoder_encode, lto_varpool_encoder_delete,
+ lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
+ Declare.
+ (output_varpool, input_varpool): Remove declarations.
+
+2010-05-05 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
+ with body can prevail.
+
+2010-05-05 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
+ size.
+
+2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
+
+ * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
+ dependencies.
+
+ * gengtype.h (erro_at_line): Constify pos argument.
+
+ * gengtype.c: Include hashtab.h.
+ (enum gc_used): Document GC_MAYBE_POINTED_TO.
+ (error_at_line): Constify pos argument.
+ (do_typedef): Initialize p->opt field.
+ (get_file_gtfilename): Fix comment typo.
+ (struct walk_type_data): Constify line field.
+ (get_output_file_for_structure): New function.
+ (write_local_func_for_structure): Constify orig_s argument.
+ Use get_output_file_for_structure.
+ (write_func_for_structure): Use get_output_file_for_structure.
+ (INDENT): New define.
+ (dump_pair, dump_type, dump_type_list, dump_typekind)
+ (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
+ (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
+ functions.
+ (seen_types): New variable.
+ (main): New variable do_dump. Process "-d" command line option.
+ Call dump_everything if dump requested.
+
+2010-05-05 Jakub Jelinek <jakub@redhat.com>
+
+ * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
+ in a temporary instead of invoking the macro multiple times.
+ (track_expr_p): Likewise.
+
+2010-05-04 Neil Vachharajani <nvachhar@google.com>
+
+ * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
+ per new semantics.
+ * opts.c (decode_options): Enable -Werror=coverage-mismatch.
+ * coverage.c (get_coverage_counts): Always emit a warning. Adjust
+ conditions for printing notes.
+ * common.opt (-Wcoverage-mismatch): Allow negative, default to
+ true, update documentation.
+ * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
+
+2010-05-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/43981
+ * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
+ on dimen.
+
+2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/43799
+ * config/i386/i386.md (sse_prologue_save): Add clobber CC
+ register.
+ (*sse_prologue_save_insn1): Likewise.
+ (SSE prologue save splitter): Likewise.
+
+2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.c (free_lang_data_in_one_sizepos): New inline function.
+ (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
+ types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
+ (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
+ all decls. Call it on DECL_FIELD_OFFSET of fields.
+ (find_decls_types_r): Follow DECL_VALUE_EXPR.
+ (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
+
+2010-05-04 Martin Jambor <mjambor@suse.cz>
+
+ * tree-sra.c (build_access_from_expr_1): The first parameter type
+ changed to simple tree.
+ (build_access_from_expr): Likewise, gsi parameter was eliminated.
+ (scan_assign_result): Renamed to assignment_mod_result, enum elements
+ renamed as well.
+ (build_accesses_from_assign): Removed all parameters except for a
+ simple gimple statement. Now returns a simple bool.
+ (scan_function): All non-analysis parts moved to separate functions
+ sra_modify_function_body and ipa_sra_modify_function_body. Removed all
+ parameters and updated both callers.
+ (sra_modify_expr): Removed parameter data.
+ (sra_modify_function_body): New function.
+ (perform_intra_sra): Call sra_modify_function_body to modify the
+ function body.
+ (replace_removed_params_ssa_names): Parameter data changed into
+ adjustments vector.
+ (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
+ changed the parameter dont_convert to convert with the opposite
+ meaning.
+ (sra_ipa_modify_assign): Parameter data changed into adjustments
+ vector, return value changed to bool.
+ (ipa_sra_modify_function_body): New function.
+ (sra_ipa_reset_debug_stmts): Updated a comment.
+ (modify_function): Use ipa_sra_modify_function_body to modify function
+ body.
+
+2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/43671
+ * alias.c (true_dependence): Handle the same VALUE in x and mem.
+ (canon_true_dependence): Likewise.
+ (write_dependence_p): Likewise.
+
+2010-05-04 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
+ * cgraphbuild.c: Include ipa-utils.h
+ (record_reference_ctx): New struct.
+ (record_reference): Simplify to work on initializers; not statements.
+ (mark_address, mark_load, mark_store): New.
+ (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
+ walk PHI nodes too.
+ (record_references_in_initializer): Update use of record_reference.
+ (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
+ walk PHI nodes too.
+
+2010-05-04 Jan Hubicka <jh@suse.cz>
+
+ * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
+ node will be removed anyway.
+ (lto_varpool_replace_node): Allow also unanalyzed nodes;
+ relink aliases of node into prevailing node.
+ * varpool.c (varpool_remove_node): Remove aliases properly;
+ when removing node, remove all its aliases too; remove DECL_INITIAL
+ of removed node; ggc_free the varpool node.
+
+2010-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43879
+ * tree-ssa-structalias.c (alias_get_name): Use
+ DECL_ASSEMBLER_NAME if available.
+ (create_function_info_for): Return the varinfo node.
+ (ipa_pta_execute): Associate same-body aliases and extra names
+ with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
+
+2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
+ static.
+
+2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
+
+ PR bootstrap/43964
+ * ira-color.c (assign_hard_reg): Declare rclass and add_cost
+ only if HONOR_REG_ALLOC_ORDER is not defined.
+
+2010-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43949
+ * tree-vrp.c (extract_range_from_binary_expr): Only handle
+ TRUNC_MOD_EXPR.
+
+2010-04-26 Jason Merrill <jason@redhat.com>
+
+ * c.opt (-fstrict-enums): New.
+ * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
+
+2010-05-03 David Ung <davidu@mips.com>
+ James E. Wilson <wilson@codesourcery.com>
+
+ * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
+ emit the trap instruction before the divide for TUNE_74K.
+
+2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
+
+ * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
+ (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
+ based on the above, for new target hook.
+
+ * hooks.c (hook_bool_mode_true): New generic hook.
+ * hooks.h (hook_bool_mode_true): Add prototype.
+
+ * target.h (struct gcc_target): Add small_register_classes_for_mode_p
+ target hook.
+ * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
+ target hook, set to hook_bool_mode_false.
+ * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
+ * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
+ with targetm.small_register_classes_for_mode_p.
+ (find_reusable_reload): Likewise.
+ (combine_reloads): Likewise.
+ * reload1.c (reload_as_needed): Likewise.
+ * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
+ * ifcvt.c (noce_process_if_block, check_cond_move_block,
+ dead_or_predicable): Likewise.
+ * regmove.c (optimize_reg_copy_1): Likewise.
+ * calls.c (prepare_call_address): Likewise.
+ (precompute_register_parameters): Likewise.
+
+ * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
+ hook definition.
+ * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
+ implementation of the hook that considers all register classes
+ small except for SH64.
+ (sh_override_options): Use the new hook.
+ * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
+ Add prototype.
+
+ * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
+ hook definition.
+ * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
+ implementation of the hook that considers all register classes
+ small for THUMB1.
+ * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
+ Add prototype.
+
+ * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
+ hook definition.
+ * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
+ implementation of the hook that considers all register classes
+ small for MIPS16.
+ * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
+ Add prototype.
+
+ * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
+ hook definition.
+ * config/m32c/m32c.h: Likewise.
+ * config/pdp11/pdp11.h: Likewise.
+ * config/avr/avr.h: Likewise.
+ * config/xtensa/xtensa.h: Likewise.
+ * config/m68hc11/m68hc11.h: Likewise.
+ * config/mn10300/mn10300.h: Likewise.
+ * config/mcore/mcore.h: Likewise.
+ * config/h8300/h8300.h: Likewise.
+ * config/bfin/bfin.h: Likewise.
+
+ * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
+ * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
+
+2010-05-03 Anatoly Sokolov <aesok@post.ru>
+
+ * double-int.h (tree_to_double_int): Remove macro.
+ (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
+ * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
+ (tree_to_double_int): New function.
+ * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
+ Move ...
+ * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
+
+2010-05-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43971
+ * tree-ssa-structalias.c (get_constraint_for_1): Fix
+ constraints in the !flag_delete_null_pointer_checks case.
+
+2010-05-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/43972
+ * config/i386/i386.c (ix86_delegitimize_address): Make sure the
+ result mode matches original rtl mode.
+
2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
+ PR target/43888
* config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2010-05-02 Uros Bizjak <ubizjak@gmail.com>