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PR c/16392
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 5ea7301..22e1c66 100644 (file)
@@ -1,6 +1,391 @@
+2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR c/16392
+       * function.c (assign_parms): Fix typo from previous change.
+
+2004-07-07  Jason Merrill  <jason@redhat.com>
+
+       PR c++/15815
+       * doc/extend.texi (C++ Interface): Correct information and
+       discourage use.
+
+2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
+
+       PR target/16130
+       PR target/16142
+       PR target/16143
+       * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
+       insn.
+       
+2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
+
+       PR target/1679.
+       * config/m32r/m32r.c (m32r_function_symbol): New function:
+       Generate a symbol name RTX with the correct m32r specific flags
+       set. 
+       (block_move_call): Use new function to generate correct symbol.
+       * config/m32r/m32r-protos.h: Add prototype for new funcion.
+       * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
+       function.
+
+2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
+       TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
+       TYPE_BINFO_BASETYPE): Remove.
+       (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
+       to ...
+       (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
+       here.
+       (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
+       (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
+       (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
+       (struct tree_binfo): Rename base_types to base_binfos.
+       * alias.c (record_component_aliases): Adjust BINFO macros.
+       * dbxout.c (dbxout_type): Likewise.
+       * dwarf2out.c (gen_member_die): Likewise.
+       * sdbout.c (sdbout_one_type): Likewise.
+       * tree-dump.c (deque_and_dump): Likewise.
+       * config/i386/i386.c (classify_argument,
+       contains_128bit_aligned_vector_p): Likewise.
+
+2004-07-07  Nick Clifton  <nickc@redhat.com>
+
+       * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
+       arguments to match TARGET_SETUP_INCOMING_VARARGS prototype. 
+
+2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * vec.h: Fix the example use.
+
+2004-07-06  Richard Henderson  <rth@redhat.com>
+
+       * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
+       * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
+       * tree-inline.c (copy_body_r, setup_one_parameter,
+       initialize_inlined_parameters, expand_call_inline,
+       declare_inline_vars): Don't check it.
+       (expand_calls_inline): Remove old version, rename new version
+       from gimple_expand_calls_inline.
+       * tree-optimize.c (execute_gimple): Remove.
+       (pass_gimple): Don't run anything.
+
+2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * doc/sourcebuild.texi: Use semicolons instead of commas in
+       section title.
+
+2004-07-06  Richard Henderson  <rth@redhat.com>
+
+       * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
+       (sra_walk_modify_expr, scan_init): Likewise.
+       (generate_element_zero): Check visited before scanning children.
+       (generate_element_init): Set visited on error.
+       (scalarize_init): Handle generate_element_init failure similar
+       to use_block_copy.
+
+2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
+       (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
+
+2004-07-06  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (legitimize_pic_address): Make static.
+       (legitimize_address): Handle CONST with TLS operand.
+       (ix86_expand_move): Don't call legitimize_pic_address directly.
+       * config/i386/i386-protos.h (legitimize_pic_address): Remove.
+
+2004-07-06  Roger Sayle  <roger@eyesopen.com>
+
+       * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
+       (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
+       (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
+       is currently executed unconditionally, i.e. not in "else_bb".
+
+2004-07-06  Steven Bosscher  <stevenb@suse.de>
+
+       * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+       * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+       * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+       * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+       * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+       * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+       * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+       * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
+       (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
+
+2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
+
+       * dojump.c (do_jump): REFERENCE_EXPR is dead.
+       * expr.c (expand_expr_real_1): Ditto.
+       * tree-inline.c (estimate_num_insns_1): Ditto.
+       * tree-pretty-print.c (dump_generic_node): Ditto.
+       (op_symbol): Ditto.
+       * tree.def: Ditto.
+
+2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-pre.c (reference_node_pool): New pool.
+       (find_or_generate_expression): Class 'r' is okay too.
+       (create_value_expr_from): Ditto.
+       (add_to_sets): LHS should not include vuses.
+       (eliminate): Ditto.
+       (compute_avail): Reverse ordering of tests.
+       Valuize INDIRECT_REF as well.
+
+2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
+
+       PR rtl-optimization/16380
+       * loop.c (check_dbra_loop): Sink comparison instructions if they
+       do something other than set cc0.
+
+2004-07-06  James E Wilson  <wilson@specifixinc.com>
+
+       * doc/interface.texi (longjmp and automatic variables): Delete
+       paragraph recommending taking the address of a variable.
+
+2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * vec.h (VEC_embedded_alloc): Remove.
+       (VEC_embedded_size, VEC_embedded_init): New.
+       (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
+       MEM_STAT_INFO.
+       (VEC_truncate): New.
+       (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
+       (vec_embedded_alloc): Remove.
+       * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
+       (vec_embedded_alloc): Remove.
+
+2004-07-06  Mark Mitchell  <mark@codesourcery.com>
+
+       * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
+       (gt-langhooks.h): Remove.
+
+2004-07-06  George Helffrich <george@gly.bris.ac.uk>
+
+       * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
+
+2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+       * config/sparc/sparc.c (get_pc_symbol): Rename into
+       add_pc_to_pic_symbol.
+       (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
+       (load_pic_register): Account for previous changes.
+       Use reg_names.  Don't create the label twice.
+       * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
+       UNSPEC_LOAD_PCREL_SYM.
+       (get_pc): Rename into load_pcrel_sym.  Add predicate to
+       operands.  Remove condition.
+
+2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * dbxout.c (dbxout_type): Don't test whether the binfo slot of
+       RECORD, UNION & QUAL_UNION is actually a binfo.
+
+       * tree.h (TREE_VIA_VIRTUAL): Rename to ...
+       (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
+       (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
+       * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
+       * dwarf2out.c (add_data_member_location_attribute): Likewise.
+       (gen_inheritance_die): Likewise.
+       * tree-dump.c (deque_and_dump): Likewise.
+       * doc/c-tree.texi (Binfos): Add under reconstruction note.
+
+2004-07-06  Steven Bosscher  <stevenb@suse.de>
+
+       * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
+       Define.
+       * config/mcore/mcore.md: Model memory latency with a simple DFA
+       pipeline description instead of a define_function_unit.
+
+2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
+       * langhooks.h (var_mod_type_p): Likewise.
+       * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
+       * expr.c (count_type_elements): Properly handle return from
+       array_type_nelts and properly test for overflow.
+       * gimplify.c (gimplify_init_constructor): Properly handle return
+       from array_type_nelts.
+       (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
+       * integrate.c (copy_decl_for_inlining): Correct comments.
+       * tree-inline.c (remap_decl): Update comments, remove dead code,
+       and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
+       (remap_type): Only remap if variably modified by vars in function
+       being inlined.
+       (copy_body_r): Use compatible_type langhooks to see when can fold.
+       (setup_one_parameter): Don't remap type.
+       (inline_forbidden_p_1): Add arg to variably_modified_type_p.
+       * tree.c (recompute_tree_invarant_for_addr_expr): Properly
+       compute TREE_INVARIANT for decl case.
+       (find_var_from_fn): New function.
+       (variably_modified_type_p): Add arg and call new function.
+       * tree.h (variably_modified_type_p): Add extra arg.
+       
+2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+       * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
+       (goto_handler_and_restore_v9): Delete disabled insn.
+       (goto_handler_and_restore_v9_sp64): Likewise.
+
+2004-07-05  Roger Sayle  <roger@eyesopen.com>
+
+       * calls.c (load_register_parameters): Call expand_shift instead
+       of expand_binop with ashl_optab (or other shift optab) directly.
+       * expr.c (emit_group_load, emit_group_store): Likewise.
+       * function.c (assign_parm_setup_block): Likewise.
+       * stmt.c (shift_return_value): Likewise.
+
+2004-07-05  Jakub Jelinek  <jakub@redhat.com>
+
+       * expr.c (expand_assignment): Disable the bitfield += optimizations.
+
+2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * doc/sourcebuild.texi: Revert previous patch.
+
+2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
+       TARGET_MEM_FUNCTIONS.
+       * system.h: Poison TARGET_MEM_FUNCTIONS.
+       * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
+       bcmp_libfunc, bzero_libfunc): Remove.
+       * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
+       bzero_libfunc.
+       * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
+       * doc/standards.texi: Don't mention calling BSD string functions.
+       * doc/invoke.texi: Likewise.  Mention that memmove may be called.
+       * config/vax/t-memfuncs: New.
+       * config/memcmp.c, config/memcpy.c, config/memmove.c,
+       config/memset.c: New.
+       * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
+       * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
+       vax/t-memfuncs.
+       * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
+       config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
+       config/elfos.h, config/gnu.h, config/h8300/h8300.h,
+       config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
+       config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
+       config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
+       config/netbsd.h, config/openbsd.h, config/pa/pa.h,
+       config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
+       config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
+       config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
+
+2004-07-05  Richard Henderson  <rth@redhat.com>
+
+       * function.c (assign_parm_setup_reg): Properly rename variables in
+       FUNCTION_ARG_CALLEE_COPIES section.
+
+2004-07-05  Zack Weinberg  <zack@codesourcery.com>
+
+       * tree-mudflap.c: Include cgraph.h.
+       (mf_init_extern_trees): Rename to mudflap_init.  Export.
+       Rewrite to create synthetic declarations instead of looking
+       up declarations from mf-runtime.h.
+       (mf_make_builtin, mf_make_cache_struct_type): New functions.
+       (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
+       Correct commentary.
+       (execute_mudflap_function_decls, mudflap_register_call):
+       Don't call mf_init_extern_trees.
+       (mudflap_finish_file): Use cgraph_build_static_cdtor.
+
+       * tree-mudflap.h: Update prototypes.
+       * c-mudflap.c: Delete file.
+       * c-common.c: Include tree-mudflap.h.
+       (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
+       * Makefile.in: Remove all references to c-mudflap.o.
+       Update dependencies.
+
+2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
+       displacements with the spatial-locality cache-control completer.
+
+2004-07-05  Zack Weinberg  <zack@codesourcery.com>
+
+       * langhooks.c: Don't include gt-langhooks.h.
+       (var_labelno): Delete.
+       (lhd_set_decl_assembler_name): Do not append a distinguishing
+       number to file-scope internal-linkage declarations for the first
+       input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
+       the declaration itself (if at block scope), or its containing
+       TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
+       number.
+
+       * opts.c (cur_in_fname): New global.
+       * opts.h: Declare it.
+       * tree.c: Include opts.h.
+       (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
+       DECL_UID equal to cur_in_fname.
+       (copy_node_stat): Do not change DECL_UID when copying a
+       TRANSLATION_UNIT_DECL.
+       (build_common_tree_nodes): Adjust next_decl_uid to reserve the
+       range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
+
+       * c-decl.c (c_static_assembler_name): Delete.
+       * c-tree.h (c_static_assembler_name): Delete prototype.
+       * c-lang.c, objc/objc-lang.c: Don't override
+       LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
+
+       * Makefile.in (tree.o): Update dependencies.
+       (GTFILES): Remove langhooks.c.
+
+2004-07-05  Roger Sayle  <roger@eyesopen.com>
+
+       * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
+       by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
+       Normalize "X % C" as "X % -C" for signed modulus and negative C.
+       Optimize "X % -Y" as "X % Y" for signed modulus.
+       <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
+       into "((unsigned) X % Y) == 0".
+
+2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+       * sourcebuild.texi (Config Fragments): Use @comma{} in
+       cross-reference to section title.
+
 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
-       * tree-cfg.c (verify_expr): Use CHECK_OK in binary case.
+       * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
+       * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
+       (gimplify_target_expr, gimplify_expr): Likewise.
+       (copy_if_shared_r): No longer need special case for BIND_EXPR.
+       (unshare_body, unvisit_body): Only look at nested if BODY_P is
+       whole function.
+       (gimplify_compound_lval): See if we can strip any useless conversion.
+       (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
+       from RHS, not LHS.
+       (gimplify_modify_expr_to_memset): Likewise.
+       (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
+       * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
+       (declare_inline_vars): Likewise.
+       (walk_type_fields): New function.
+       (walk_tree): Use it.
+       * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
+
+       * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
+       (sra_walk_modify_expr): Allow init function to fail.
+       (scan_init): Now returns bool.
+       (generate_element_init): If can't understand INIT, return false.
+       (scalarize_init): Return false if generate_element_init does.
+
+       * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
+       print bounds.
+
+       * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
+       bounds if bounds aren't constant.
+
+       * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
 
        * function.c, langhooks-def.h, langhooks.h: Move max_size hook
        to type hooks; remove bogus PARAMS.
        (make_tree_binfo_stat): Declare.
        (make_tree_binfo): New.
        (enum tree_node_kind): Add binfo_kind.
-       
+
        * objc/objc-act.c (start_class, objc_declare_protocols,
        start_protocols): Use TYPE_LANG_SLOT_1.
        * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
        (struct assign_parm_data_one): New.
        (assign_parms_initialize_all, assign_parms_augmented_arg_list,
        assign_parm_find_data_types, assign_parms_setup_varargs,
-       assign_parm_find_entry_rtl, assign_parm_is_stack_parm, 
+       assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
        assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
        assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
        assign_parm_setup_block, assign_parm_setup_reg,
        (bitmap_insert_into_set): No point in inserting the value if
        it's invariant.
        (bitmap_set_contains): New function.
-       (bitmap_set_replace_value): Add comment on why we do it 
+       (bitmap_set_replace_value): Add comment on why we do it
        this way.
        (set_contains): Removed.
        (bitmap_set_subtract_from_value_set): New name of
        gen_mem_addressof, flush_addressof, put_addressof_into_stack,
        purge_bitfield_addressof_replacements, purge_addressof_replacements,
        purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
-       struct insns_for_mem_walk_info, insns_for_mem_walk, 
+       struct insns_for_mem_walk_info, insns_for_mem_walk,
        compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
        setjmp_protect_args): Remove.
        (push_function_context_to): Don't handle var_refs_queue.
        (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
 
        * tree-sra.c (generate_element_init): Remove any useless conversions.
-       
+
        * gimplify.c (gimplify_conversion): Remove stripping useless
        conversions from here.
        (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.