+2005-07-11 Steven Bosscher <stevenb@suse.de>
+
+ * basic-block.h: Give the BB flags enum a name, bb_flags.
+ Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
+ * cfgcleanup.c (enum bb_flags): Remove here.
+ (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
+ (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
+ (update_forwarder_flag): Likewise.
+ (thread_jump): Likewise.
+ (try_forward_edges): Likewise.
+ (try_optimize_cfg): Likewise. Clear bb->flags before updating the
+ forwarder flags. Don't clear bb->aux for all basic blocks. Only
+ reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
+
+2005-07-11 Richard Guenther <rguenther@suse.de>
+
+ * config/i386/i386.opt: New target option -msseregparm.
+ * config/i386/i386.c (override_options): Error out for
+ -msseregparm but no SSE support.
+ (ix86_function_sseregparm): Check for global sseregparm.
+ * doc/invoke.texi: Document -msseregparm.
+
+2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
+
+ * config.gcc (m32r-*-linux*): Use the default extra_parts.
+ (m32rle-*-linux*): Ditto.
+
+2005-07-11 Jakub Jelinek <jakub@redhat.com>
+
+ * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
+ instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
+ bytes.
+
+2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/22239
+ PR target/20126
+ * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
+ gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
+
+2005-07-07 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c (struct variable_info): Heapify complex.
+ (varmap): Heapify varmap.
+ (constraints): Heapify constraints.
+ (struct constraint_graph): Heapify succs and preds.
+ (constraint_vec_find): Update for heapification.
+ (constraint_set_union): Ditto.
+ (insert_into_complex): Ditto.
+ (constraint_edge_vec_find): Ditto.
+ (erase_graph_self_edge): Ditto.
+ (add_graph_edge): Ditto.
+ (get_graph_weights): Ditto.
+ (merge_graph_nodes): Ditto.
+ (build_constraint_graph): Ditto.
+ (topo_visit): Ditto.
+ (solve_graph): Ditto.
+ (create_variable_info_for): Ditto.
+ (init_base_vars): Ditto.
+ (delete_points_to_sets): Free graph, varmap, and complex constraints.
+ (condese_varmap_nodes): Free complex vector.
+ (clear_edges_for_node): Clear succs and preds vector.
+
+2005-07-10 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c (update_alias_info): Change counting of
+ references to not include vdefs.
+
+2005-07-10 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-alias.c (free_used_part_map): Add missing free.
+ (up_insert): Ditto.
+
+2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (pa_commutative_p): Make PLUS commutative when
+ TARGET_NO_SPACE_REGS is true.
+
+2005-07-09 Diego Novillo <dnovillo@redhat.com>
+
+ * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
+ * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
+ * tree-dfa.c (dump_subvars_for): New.
+ (debug_subvars_for): New.
+ (dump_variable): Show subvariables if VAR has them.
+ * tree-flow-inline.h (get_subvar_at): New.
+ (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
+ * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
+ Update all users.
+ (struct subvar): Change fields offset and size to unsigned
+ HOST_WIDE_INT.
+ (dump_subvars_for): Declare.
+ (debug_subvars_for): Declare.
+ (get_subvar_at): Declare.
+ (okay_component_ref_for_subvars): Change 2nd and 3rd argument
+ to unsigned HOST_WIDE_INT *.
+ (overlap_subvar): Likewise.
+ * tree-gimple.c (is_gimple_reg): Always return false for
+ SFTs and memory tags.
+ * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
+ Update all callers.
+ * tree-ssa-alias.c: Include tree-ssa-structalias.h.
+ (compute_may_aliases): Call compute_points_to_sets.
+ (collect_points_to_info_for): Remove.
+ (compute_points_to_and_addr_escape): Remove.
+ (delete_alias_info): Call delete_points_to_sets.
+ (compute_flow_sensitive_aliasing): If the call to
+ find_what_p_points_to returns false, call set_pt_anything.
+ (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
+ (set_pt_anything): Clear pi->pt_vars.
+ (set_pt_malloc): Remove.
+ (merge_pointed_to_info): Remove.
+ (add_pointed_to_expr): Remove.
+ (add_pointed_to_var): Remove.
+ (collect_points_to_info_r): Remove.
+ (is_escape_site): Make extern.
+ (create_sft): New.
+ (create_overlap_variables_for): Call it.
+ * tree-ssa-copy.c (merge_alias_info): Never merge
+ flow-sensitive alias information.
+ * tree-ssa-operands.c (get_expr_operands): Adjust variables
+ offset and size to be unsigned HOST_WIDE_INT.
+ (add_to_addressable_set): Rename from note_addressable.
+ Set TREE_ADDRESSABLE as the variables are added to the set.
+ Update all users.
+ (add_stmt_operand): Do not try to micro-optimize unmodifiable
+ operands into VUSEs when adding V_MAY_DEFs for members in an
+ alias set.
+ * tree-ssa-operands.h (add_to_addressable_set): Declare.
+ * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
+ (struct variable_info): Add bitfield is_heap_var.
+ (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
+ (new_var_info): Initialize is_heap_var.
+ (get_constraint_for): Add HEAP variables to the symbol table.
+ Mark them with is_heap_var.
+ (update_alias_info): New. Taken mostly from the old
+ compute_points_to_and_addr_escape.
+ (handle_ptr_arith): New.
+ (find_func_aliases): Call update_alias_info.
+ Call handle_ptr_info for tcc_binary expressions.
+ Call mark_stmt_modified.
+ (create_variable_info_for): If DECL has subvars, do not create
+ variables for its subvars. Always add all the fields.
+ (set_uids_in_ptset): If the solution includes ANYOFFSET and
+ SFTs, then add all the SFTs of the structure.
+ If VI->DECL is an aggregate with subvariables, add the SFT at
+ VI->OFFSET.
+ (find_what_p_points_to): If VI is an artificial variable,
+ translate to bitfields in SSA_NAME_PTR_INFO.
+ If the solution is empty, set pi->pt_vars to NULL
+ (init_base_vars): Create ANYOFFSET.
+ (compute_points_to_sets): Rename from create_alias_vars.
+ Make extern.
+ (pass_build_pta): Remove.
+ (delete_points_to_sets): Rename from delete_alias_vars.
+ (pass_del_pta): Remove.
+ * tree-ssa-structalias.h (struct alias_info): Move from
+ tree-ssa-alias.h.
+ (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
+ NUM_REFERENCES_SET): Likewise.
+ (compute_points_to_sets, delete_points_to_sets): Declare.
+
+2005-07-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
+ alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
+ alpha_split_lock_test_and_set_12): New functions.
+ * config/alpha/alpha-protos.h: Update.
+ * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
+ UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
+ * config/alpha/sync.md (I12MODE): New.
+ (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
+ (sync_<fetchop_name><I48MODE>): Likewise.
+ (sync_nand<I48MODE>): Likewise.
+ (sync_old_<fetchop_name><I48MODE>): Likewise.
+ (sync_new_<fetchop_name><I48MODE>): Likewise.
+ (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
+ (sync_compare_and_swap<I48MODE>): Likewise.
+ (sync_lock_test_and_set<I48MODE>): Likewise.
+ (sync_compare_and_swap<I12MODE>): New.
+ (sync_compare_and_swap<I12MODE>_1): New.
+ (sync_lock_test_and_set<I12MODE>): New.
+ (sync_lock_test_and_set<I12MODE>_1): New.
+
+2005-07-09 Diego Novillo <dnovillo@redhat.com>
+
+ PR 21356
+ PR 22332
+ * passes.c (execute_todo): Cleanup the CFG before updating SSA.
+
+2005-07-09 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
+ in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
+
+2005-07-09 Richard SAndiford <richard@codesourcery.com>
+
+ PR target/21656
+ * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
+
+2005-07-08 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/sync.md (load_locked_<mode>): Use Z for
+ memory_operand constraint.
+ (store_conditional_<mode>): Same.
+ (sync_compare_and_swap<mode>): Same.
+ (sync_lock_test_and_set<mode>): Same.
+
+2005-07-08 Hans-Peter Nilsson <hp@axis.com>
+
+ Rewrite PIC support to more closely model actual instructions.
+ * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
+ (cris_symbol): Remove prototypes for removed functions.
+ (cris_pic_symbol_type_of, cris_valid_pic_const)
+ (cris_expand_pic_call_address): Prototypes for new functions.
+ * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
+ variable.
+ (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
+ modifiers.
+ <case ':'>: Add case for new punctuation character.
+ <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
+ emitting (extra) PIC modifier.
+ <case UNSPEC>: Do not assert for PLT.
+ (cris_initial_frame_pointer_offset, cris_simple_epilogue)
+ (cris_expand_prologue, cris_expand_epilogue): Check
+ for pic_offset_table_rtx usage instead of taking
+ current_function_uses_pic_offset_table as the final word.
+ (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
+ Remove flag_pic difference.
+ (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
+ the moral equivalents of...
+ (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
+ functions.
+ (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
+ (cris_handle_option): Mark ARG as unused.
+ (cris_expand_pic_call_address): New worker function for "call",
+ "call_value".
+ (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
+ output PIC constructs here.
+ (cris_output_addr_const_extra): Changes for emitting PIC modifiers
+ as symbol-specific modifers, not whole or part of operands.
+ * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
+ (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
+ constants and flag_pic.
+ (CONSTANT_INDEX_P): Adjust for new functions.
+ (enum cris_pic_symbol_type): New helper type.
+ (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
+ * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
+ (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
+ define_constants.
+ ("movsi"): Emit actual instructions for GOT and relative access.
+ ("*movsi_got_load"): New pattern to set up the register holding
+ the GOT pointer.
+ ("*movsi_internal"): Operand 1 is not a plain general_operand.
+ Adjust FIXME for 'S'.
+ <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
+ Use "movs" for -fpic cases.
+ ("addsi3"): Add alternative for 'S'; use adds.w when possible.
+ ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
+ ("call", "call_value"): Just call cris_expand_pic_call_address for
+ PIC addresses.
+ ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
+ Remove special pattern.
+ ("*expanded_call_side", "*expanded_call_value_side"): New
+ patterns.
+ (gotplt-to-plt, gotplt-to-plt-side-call)
+ (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
+ peephole2:s.
+ * config/cris/cris/predicates.md
+ ("cris_general_operand_or_gotless_symbol"): Remove unused
+ predicate.
+ ("cris_general_operand_or_symbol"): Adjust for new functions.
+
+2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
+
+2005-07-08 Daniel Berlin <dberlin@dberlin.org>
+
+ * Makefile.in (TREE_H): Add treestruct.def.
+ (c-decl.o): Add pointer-set.h
+ * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
+ visibility on regular DECL's.
+ (merge_decls): Fix the copying of decl nodes of various types for
+ the new structures. Don't update RTL, section name, weak status,
+ etc, on DECL's without RTL.
+ (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
+ Don't check volatile on non-variable types.
+ (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
+ to check whether we have seen arguments.
+ * c-objc-common.c (c_tree_printer): Reverse order of tests so that
+ flag is checked before field (flag is common, field is not).
+ * dwarf2out.c (decl_ultimate_origin): Only DECL's with
+ TS_DECL_COMMON could have an origin.
+ (add_location_or_const_value_attribute): Don't check section name
+ on non-var/function decls.
+ (dwarf2out_var_location): Reverse order of tests.
+ * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
+ with DECL_WRTL_CHECK.
+ * expmed.c (make_tree): rtl is now in decl_with_rtl.
+ * fold-const.c (fold_binary): Don't check weakness on
+ non-var/function decls.
+ (tree_expr_nonzero_p): Ditto.
+ (fold_checksum_tree): Use tree_decl_extra as sizeof
+ buffer.
+ * ggc-page.c (extra_order_size_table): Add sizes for
+ tree_decl_non_common, tree_parm_decl, tree_var_decl, and
+ tree_field_decl.
+ * gimplify.c (gimplify_bind_expr): Only set
+ DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
+ * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
+ without RTL.
+ * langhooks-def.h (LANG_HOOK_INIT_TS): New.
+ * langhooks.h (init_ts). New langhook.
+ * passes.c (rest_of_decl_compilation): Reverse order of tests.
+ * print-tree.c (print_node): Update to only print fields that
+ exist in the structures the passed decl has.
+ * toplev.c (wrapup_global_declarations): Don't reset
+ DECL_DEFER_OUTPUT on DECL's that don't contain it.
+ * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
+ * tree-inline.c (remap_decl): Ditto.
+ * tree-outof-ssa.c (create_temp): Reverse order of tests.
+ * tree-pretty-print.c (print_declaration): Don't print
+ DECL_REGISTER on things that don't contain it.
+ * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
+ non-var/function decls.
+ * tree.c (tree_contains_struct): New structure.
+ (init_priority_for_decl): New hashtable.
+ (tree_int_map): New structure.
+ (tree_int_map_eq): New function.
+ (tree_int_map_marked_p): Ditto.
+ (tree_int_map_hash): Ditto.
+ (tree_map): Move to tree.h.
+ (tree_map_eq): Externalize.
+ (tree_map_hash): Ditto.
+ (tree_map_marked_p): Ditto.
+ (init_ttree): Set up tree_contains_struct and call langhook.
+ (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
+ (tree_code_size): Update for new structures.
+ (tree_node_structure): Update for new structures.
+ (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
+ without the field.
+ (copy_node_stat): Copy init priority.
+ (build_decl_stat): Ditto for visibility.
+ (ts_enum_names): New.
+ (tree_contains_struct_check_failed): New function.
+ (decl_init_priority_lookup): Ditto.
+ (decl_init_priority_insert): Ditto.
+ * treestruct.def: New file.
+ * tree.h (CODE_CONTAINS_STRUCT): New macro.
+ (CONTAINS_STRUCT_CHECK): Ditto.
+ (tree_contains_struct_check_failed): New prototype.
+ (DECL_CHECK): Removed.
+ (DECL_MINIMAL_CHECK): New.
+ (DECL_COMMON_CHECK): Ditto.
+ (DECL_WRTL_CHECK): Ditto.
+ (DECL_NON_COMMON_CHECK): Ditto.
+ (DECL_WITH_VIS_CHECK): Ditto.
+ (VAR_OR_FUNCTION_DECL_P): Ditto
+ (struct tree_decl_minimal): New structure.
+ (struct tree_decl_common): Ditto.
+ (struct tree_decl_with_rtl): Ditto.
+ (struct tree_decl_with_vis): Ditto.
+ (struct tree_decl_non_common): Ditto.
+ (struct tree_field_decl): Ditto.
+ (struct tree_parm_decl): Ditto.
+ (struct tree_var_decl): Ditto.
+ (struct tree_function_decl): Ditto.
+ (struct tree_const_decl): Ditto.
+ (struct tree_result_decl): Ditto.
+ (union tree_node): Add new structures.
+ * var-tracking.c (track_expr_p): Reverse order of tests.
+
+ * doc/c-tree.texi: Add documentation on DECL node internal structure.
+
+2005-07-08 Kazu Hirata <kazu@codesourcery.com>
+
+ * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
+ * system.h: Poison FINALIZE_PIC.
+ * doc/tm.texi (FINALIZE_PIC): Remove.
+
+2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/22329
+ * tree-ssa-propagate.c (fold_predicate_in): Convert the value
+ to the correct type if we have a MODIFY_EXPR.
+
+2005-07-08 Kazu Hirata <kazu@codesourcery.com>
+
+ PR tree-optimization/22360
+ * tree.c (upper_bound_in_type): Fix calculations for casting
+ to a non-wider signed type and casting a signed value to a
+ wider unsigned type.
+ (lower_bound_in_type): Fix calculations for casting to a
+ non-wider signed type.
+
+ PR tree-optimization/20139
+ * tree-cfg.c (remove_bb): Check in_ssa_p before calling
+ release_defs.
+ * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
+ fold_cond_expr_cond.
+ * tree-ssanames.c (release_defs): Assert in_ssa_p.
+ * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
+
+2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
+
+ PR tree-opt/22356
+ * tree-complex.c (expand_complex_libcall): Produce
+ REALPART_EXPR/IMAGPART_EXPR with the correct type.
+
+2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
+ bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
+ b" assert and inserted fastpath code for this case.
+ (bitmap_ior): Removed "a != b" assert.
+
2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
* config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
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