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libcpp:
authorzack <zack@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 12 May 2005 18:31:38 +0000 (18:31 +0000)
committerzack <zack@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 12 May 2005 18:31:38 +0000 (18:31 +0000)
* directives.c (#sccs table entry): Mark IN_I, consistent with #ident.
(do_sccs): Delete function definition, #define to do_ident.
(do_ident): Don't hardwire directive name.
gcc:
* doc/cpp.texi: Document that #sccs is a synonym for #ident.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99623 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog
gcc/doc/cpp.texi
libcpp/ChangeLog
libcpp/directives.c

index 3ba3e90..5661585 100644 (file)
@@ -1,5 +1,9 @@
+2005-05-12  Zack Weinberg  <zack@codesourcery.com>
+
+       * doc/cpp.texi: Document that #sccs is a synonym for #ident.
+
 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
-       
+
        Fix PR tree-optimization/21532
        * tree-ssa-pre.c (create_expression_by_pieces): stmt
        needs to go onto the inserted_exprs list.
@@ -55,7 +59,7 @@
        (ia64_cannot_force_const_mem): New.
        (tls_symbolic_operand_type): New.
        (ia64_legitimate_constant_p): New.
-       (ia64_expand_load_address): Return true on success.  Improve 
+       (ia64_expand_load_address): Return true on success.  Improve
        checks for when we should not split.
        (ia64_expand_tls_address): New addend operand.  Distribute it
        as appropriate to the tls_kind.  Delay referencing gp.
@@ -70,7 +74,7 @@
        ia64_expand_load_address and FAIL or DONE as appropriate.
        (load_fptr): Only accept after reload.
        (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
-       load_symptr_low, load_ltoff_dtpmod, 
+       load_symptr_low, load_ltoff_dtpmod,
        (load_dtpmod): New.
        (load_dtprel): Only accept tls symbols.
        (load_dtprel64, load_dtprel22): Likewise.
 
        * Makefile.in (gtype-desc.o, build/genautomata.o)
        (build/varray.o): Depend on $(VARRAY_H).
-       
+
 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
 
        * tree-optimize.c (init_tree_optimization_passes): Re-organize
 
        * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
        letters.
-       
+
 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
 
        * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
        no return value pattern.
 
 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
-            H.J. Lu  <hongjiu.lu@intel.com>
+           H.J. Lu  <hongjiu.lu@intel.com>
 
        * libgcov.c (create_file_directory): New function. Create
        directory for the given file name.
        (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
        (movdf_insn_sp64_novis): Delete.
        (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
-       (movdf_no_e_insn_sp64): Use register_or_zero_operand. 
+       (movdf_no_e_insn_sp64): Use register_or_zero_operand.
        Rename into movdf_insn_sp64_no_fpu.
        (movtf expander): Use register_or_zero_operand.
        (movtf_insn_sp32): Delete.
 
 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
 
-        PR target/21477
-        * config/rs6000/rs6000.md (add_op2): New.
-        (add<mode>3): Use it.
+       PR target/21477
+       * config/rs6000/rs6000.md (add_op2): New.
+       (add<mode>3): Use it.
 
 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
 
        s390_short_displacement, addr_generation_dependency_p,
        legitimate_reload_constant_p, legitimate_address_p): Change return type
        into 'bool'.
-       (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
+       (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
        * config/s390/s390.c: (s390_match_ccmode,
        symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
        legitimate_reload_constant_p): Change return type into 'bool'.
        (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
-       Likewise.  Additionally adapted comment.  
+       Likewise.  Additionally adapted comment.
        (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
-       (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
+       (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
        (s390_decompose_address): Change the type of the internal flags
        "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
        (struct s390_address): Change type of "pointer" into bool.
        s390_add_pool_insn, s390_find_pool, s390_add_constant,
        s390_find_constant, s390_add_execute, s390_find_execute,
        s390_execute_label, s390_execute_target, s390_dump_pool,
-       s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes. 
+       s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
        Move target macro definitions to the end of the file.  Move several
        functions within the file to assure correct compiling.
 
 
 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
 
-       * config/s390/s390.c: (s390_adjust_priority): Adapt to changed 
+       * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
        attribute names.
        * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
        "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
 
 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
 
-       * config/s390/s390.md: ("DSI", "SCOND"): New mode 
+       * config/s390/s390.md: ("DSI", "SCOND"): New mode
        macros.
        ("E", "g"): New mode attributes.
        ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
        ("*tsthi", "*tstqi"): Merge.
        ("*tsthi_cconly", "tstqi_cconly"): Merge.
        ("*sethighhisi", "*sethighqisi"): Merge.
-        
+
 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
 
        * crtstuff.c, integrate.h, tree-scalar-evolution.h,
 
 2005-05-09  David Ung  <davidu@mips.com>
 
-       * config/mips/mips.h (processor_type): Add names for the 24K. 
+       * config/mips/mips.h (processor_type): Add names for the 24K.
        * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
        processor family.
        * config/mips/mips.md (cnv_mode): New attribute for recording the
        (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
        setup cnv_mode.
        * config/mips/24k.md: New file, contains 24k DFA pipeline
-       description. 
+       description.
 
 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
 
        * libgcov.c: Remove unneeded comment about config.h.
        * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
        * config.in, configure: Regenerated.
-       
+
 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
            Falk Hueffner  <falk@debian.org>
 
        * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
        * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
        *rev_zero_branch_insn): Likewise.
-       
+
 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
 
        PR c++/20961
        * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
        Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
        * configure, config.in: Regenerate.
-       
+
 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
 
        PR middle-end/21265
 
 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
 
-       * lambda-code.c (gcc_loop_to_lambda_loop, 
+       * lambda-code.c (gcc_loop_to_lambda_loop,
        lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
        stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
        generic operand interface.
        * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
        * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
        generic operand interface.
-       * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
+       * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
        link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
        next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
        num_imm_uses): Use ssa_use_operand_t.
        (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
        op_iter_next_tree): Use new operand implementation.
        (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
-       (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
+       (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
        type check.
-       (op_iter_next_mustdef, op_iter_next_maydef, 
+       (op_iter_next_mustdef, op_iter_next_maydef,
        op_iter_next_must_and_may_def): Delete. Replace with...
        (op_iter_next_maymustdef): New.  Combine must and may next operations.
-       (op_iter_init_maydef, op_iter_init_mustdef, 
+       (op_iter_init_maydef, op_iter_init_mustdef,
        op_iter_init_must_and_may_def): Use new interface.
        (single_ssa_tree_operand ): New.  Process single operands only as trees.
        (single_ssa_use_operand): New.  Process single operands only as uses.
        (struct stmt_ann_d): Operands field no longer require GTY().
        (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
        * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
-       * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
+       * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
        dump_replaceable_exprs, rewrite_trees): Use generic interface.
-       * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
+       * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
        Use use_operand_p instead of ssa_imm_use_t *.
        * tree-pretty-print.c (dump_vops): check if operands are active before
        dumping virtual operands.
        * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
        (ccp_fold): Use new interface.
        (ccp_visit_stmt): Remove unused variables and code.
-       (convert_to_gimple_builtin): Insert statements before calling 
+       (convert_to_gimple_builtin): Insert statements before calling
        mark_new_vars_to_rename.
        * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
        (copy_prop_visit_cond_stmt): Use generic interface.
-       * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
+       * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
        annotation in table.
        (thread_across_edge): Use generic interface.
        (initialize_hash_element): Initialzie with stmt, not annotation.
        (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
        interface.
        * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
-       * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
-       find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
+       * tree-ssa-loop-ivopts.c (find_invariants_stmt,
+       find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
        generic operand interface.
        * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
        interface.
        * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
        Interface.
        * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
-       (build_defs, build_uses, build_v_may_defs, build_vuses, 
+       (build_defs, build_uses, build_v_may_defs, build_vuses,
        build_v_must_defs): Change type to struct opbuild_list_d.
        (ops_active): New.  Operands active boolean.
        (operand_memory, operand_memory_index): New.  Operand memory managers.
        (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
        allocate_vuse_optype, allocate_v_must_def_optype): Delete.
-       (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
+       (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
        Change from functions to static variable list heads.
        (opbuild_initialize_virtual): New.  Initialize a virtual build list.
        (opbuild_initialize_real): New.  Initialize a virtual build list.
        (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
        (correct_use_link): Use use_operand_p.
        (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
-       finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
+       finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
        (cleanup_v_may_defs): Use new implmentation.
-       (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
+       (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
        implementation.
-       (append_def, append_use, append_v_may_def, append_vuse, 
+       (append_def, append_use, append_v_may_def, append_vuse,
        append_v_must_def): Call opbuild_append routine instead of using varray.
-       (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
+       (build_ssa_operands): Simplify to simply use stmt, don't maintain a
        global parse_old_ops variable.
        (free_ssa_operands): New implementation.
        (update_stmt_operands): Move.  Change argument to build_ssa_operands.
        (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
        rather than a varray.
        (verify_imm_links): Use use_operand_p.
-       (dump_immediate_uses_for): If the immediate use variable is a virtual 
+       (dump_immediate_uses_for): If the immediate use variable is a virtual
        variable, show the virtual ops in the stmt.
        * tree-ssa-operands.h (def_operand_p): No longer a structure.
        (NULL_DEF_OPERAND_P): Now a #define.
        (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
        STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
        SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
-       STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
+       STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
        SET_V_MUST_DEF_KILL): Delete.
-       (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
+       (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
        V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
-       (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
+       (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
        V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
        (enum ssa_op_iter_type): Operand iterator typechecking values.
        (struct ssa_operand_iterator_d): Use linked lists of operands.
        (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
        (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
        (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
-       (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
+       (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
        SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
        * tree-ssa-opfinalize.h: New.  Function templates for expansion.
        (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
        alloc_vuse, and alloc_mustdef.
-       (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
+       (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
        finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
        and finalize_ssa_v_must_def_ops.
        * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
        stmt around.
        (compute_avail): Use generic iterator interface.
        * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
-       (stmt_makes_single_load, stmt_makes_single_store): Use 
+       (stmt_makes_single_load, stmt_makes_single_store): Use
        ZERO_SSA_OPERANDS.
        * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
        (statement_sink_location): Use generic interface.
        * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
        (eliminate_tail_call): Use generic operand interface.
        * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
-       (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
+       (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
        interface.
-       * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
+       * tree-vect-transform.c (update_vuses_to_preheader): Use generic
        interface.
        * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
        * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
        vuse_optype.
-       (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
+       (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
        Use statement pointer instead of vuse_optype.  Use generic interface.
        * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
        (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
 
 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
 
-        * c-common.c (resolve_overloaded_builtin): Forward to target
-        hook for BUILT_IN_MD built-ins.
-        * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
-        for all types of built-in.
-        * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
-        in the definition of the target hooks struct.
-        * target.h (struct gcc_target): Add resolve_overloaded_builtin.
-        * config/rs6000/altivec.h: Rewritten.
-        * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
-        altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
-        rs6000_builtin_type, rs6000_builtin_type_compatible,
-        altivec_overloaded_builtins, rs6000_builtin_type,
-        rs6000_builtin_type_compatible): New.
-        * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
-        New.
-        (def_builtin): Turn into a function.  Check for duplicates and store
-        the builtin into rs6000_builtin_decls.
-        (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
-        bdesc_1arg): Add overloaded builtins.
-        (altivec_expand_builtin): Check for unresolved overloaded builtins,
-        do not support ALTIVEC_COMPILETIME_ERROR.
-        (rs6000_init_builtins): Add opaque 128-bit vector, and internal
-        nodes to represent front-end types.
-        (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
-        with opaque arguments and/or return values.
-        * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
-        ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
-        (rs6000_builtin_type_index): New.
-        (is_ev64_opaque_type): Rename to...
-        (rs6000_is_opaque_type): ... this.
-        (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
-        target hook.
+       * c-common.c (resolve_overloaded_builtin): Forward to target
+       hook for BUILT_IN_MD built-ins.
+       * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
+       for all types of built-in.
+       * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
+       in the definition of the target hooks struct.
+       * target.h (struct gcc_target): Add resolve_overloaded_builtin.
+       * config/rs6000/altivec.h: Rewritten.
+       * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
+       altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
+       rs6000_builtin_type, rs6000_builtin_type_compatible,
+       altivec_overloaded_builtins, rs6000_builtin_type,
+       rs6000_builtin_type_compatible): New.
+       * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
+       New.
+       (def_builtin): Turn into a function.  Check for duplicates and store
+       the builtin into rs6000_builtin_decls.
+       (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
+       bdesc_1arg): Add overloaded builtins.
+       (altivec_expand_builtin): Check for unresolved overloaded builtins,
+       do not support ALTIVEC_COMPILETIME_ERROR.
+       (rs6000_init_builtins): Add opaque 128-bit vector, and internal
+       nodes to represent front-end types.
+       (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
+       with opaque arguments and/or return values.
+       * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
+       ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
+       (rs6000_builtin_type_index): New.
+       (is_ev64_opaque_type): Rename to...
+       (rs6000_is_opaque_type): ... this.
+       (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
+       target hook.
 
 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
 
        PR tree-optimization/21272
        PR tree-optimization/21266
        * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
-       
+
 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
 
        * tree-flow-inline.h: Fix a comment typo.
        * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
        (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
        * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
-       (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
+       (FINI_ARRAY_SECTION_ASM_OP): Likewise.
 
 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
 
        * dbxout.c (have_used_extensions): Remove.
        (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
        have_used_extensions.
-       
+
 2005-04-28  James E Wilson  <wilson@specifixinc.com>
 
        * doc/install.texi: Update -enable-languages info.  Correct path to
 
 2005-04-27  Caroline Tice  <ctice@apple.com>
 
-        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
+       * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Remove targetm.have_named_sections test.
        (fix_edges_for_rarely_executed_code): Likewise.
        (insert_section_boundary_note): Likewise.
        (default_section_type_flags_1):  Get cold text section name from
        function struct if there is one; Set flags correctly for
        cold text section if there is not a current function struct.
-       
+
 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
 
        * tree-ssa-propagate.c (set_rhs): Revert last change.
        * rtl.h (optimize_save_area_alloca): Likewise...
        * passes.c (rest_of_compilation): and don't call it any more.
        * reg-notes.def (SAVE_AREA): Delete.
-       
+
 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
 
        * config/fp-bit.c (abort): Add noreturn attribute.
        * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
 
 2005-04-27  Matt Thomas <matt@3am-software.com>
-            Jan-Benedict Glaw <jbglaw@microdata-pos.de>
+           Jan-Benedict Glaw <jbglaw@microdata-pos.de>
 
        * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
        (vax_output_mi_thunk): Ditto.
 
        * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
        CONSTANT_ADDRESS_P in config/vax/vax.h
-       (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
+       (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
        (INDEX_REGISTER_P): New.
        (BASE_REGISTER_P): New.
        (indirectable_constant_address_p): New.  Adapted from
 2005-04-25  Devang Patel <dpatel@apple.com>
 
        * dbxout.c (dbxout_type): Emit attribute vector.
-       
+
 2005-04-05  Paul Brook  <paul@codesourcery.com>
 
        * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
 2005-04-24  Devang Patel  <dpatel@apple.com>
 
        *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
-       
+
 2005-04-24  Ian Lance Taylor  <ian@airs.com>
 
        * c-semantics.c (build_stmt): Remove test of specific tree codes
        config/stormy16/stormy16.c, config/v850/v850-c.c,
        config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
        callers.
-       
+
 2005-04-23  Richard Henderson  <rth@redhat.com>
 
        PR rtl-opt/21102
 
        * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
        'abort'. Use gcc_assert and gcc_unreachable as appropriate.
-       * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
+       * c-format.c (get_constant, decode_format_attr, get_flag_spec,
        find_char_info_specifier_index,
        find_length_info_modifier_index): Likewise.
        * c-typeck.c (composite_type, pop_init_level): Likewise.
        final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
        output_operand): Likewise
        flow.c (recompute_reg_usage): Likewise
-       * function.c (assign_stack_temp_for_type, assign_temp, 
+       * function.c (assign_stack_temp_for_type, assign_temp,
        handle_epilogue_set): Likewise
        * genextract.c (main): Likewise
        * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
        vectors.
        (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
        lbv_to_gcc_expression, lle_to_gcc_expression,
-       lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
+       lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
        perfect_nestify): Likewise.
        lambda.h (gcc_loopnest_to_lambda_loopnest,
        lambda_loopnest_to_gcc_loopnest): Likewise.
        cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
        * cgraphunit.c (cgraph_default_inline_p,
        cgraph_decide_inlining_incrementally,  ncalls_inlined,
-       nfunctions_inlined, initial_insns, overall_insns, 
+       nfunctions_inlined, initial_insns, overall_insns,
        cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
        cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
        cgraph_mark_inline, cgraph_check_inline_limits,
        * tree.h: Likewise.
        * vec.h: Likewise.
        * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
-       
+
        * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
        comments to avoid 'abort'.  Use gcc_assert as necessary.
        * opts.c (common_handle_option): Likewise.
        * regmove.c (try_auto_increment): Likewise.
        * reload.c (find_valid_class, find_reloads_toplev,
        find_equiv_reg): Likewise.
-       * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
+       * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
        merge_assigned_reloads): Likewise.
        * tree-inline.c (inline_forbidden_p_1,
        estimate_num_insns_1): Likewise.
        get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
        * tree-ssa-pre.c (find_or_generate_expression): Likewise.
        * tree-ssanames.c (release_ssa_name): Likewise.
-       * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
+       * tree.c (int_bit_position, int_byte_position, tree_low_cst,
        walk_tree): Likewise.
 
        * tree-ssa-operands.c (verify_abort): Fold into ..
        * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
        x = !(a == b) : p , q;.
        (pass_if_conversion): Verify stmts and flow.
-       
+
 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 
        * optabs.c (gen_conditional_trap): Restore #define.
        (push_macro_expansion):  Chain on new macro. Process multiple
        args, create follow on expansion. Return follow on argument.
        (macro_input): Deal with multiple arguments.
-       
+
        * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
        (struct tree_binfo): Adjust.
        * basic-block.h: Define VEC(edge,gc).
        lookup_avail_expr, record_range): Likewise.
        * tree-ssa-pre.c: Define VEC(basic_block,heap).
        (compute_antic_aux): Adjust.
-       (inserted_exprs, create_expression_by_pieces, 
-       insert_into_preds_of_block, eliminate, mark_operand_necessary, 
+       (inserted_exprs, create_expression_by_pieces,
+       insert_into_preds_of_block, eliminate, mark_operand_necessary,
        remove_dead_inserted_code, fini_pre): Likewise.
        * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
-       (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
+       (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
        ssa_prop_init): Likewise.
        * tree-ssa.c: Define VEC(bitmap,heap).
        (verify_name_tags): Adjust.
        * varasm.c: Remove alias_pair pointer typedef, define
        VEC(alias_pair,gc).
        (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
-       
+
        * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
        not a pointer to it.  Create an object vector.
        (extern_symbols): Turn into an object vector.
 
 2005-04-19  Paul Brook  <paul@codesourcery.com>
 
-       * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
+       * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
 
 2005-04-19  Andrew Haley  <aph@redhat.com>
 
 2005-04-18  Devang Patel  <dpatel@apple.com>
 
        * config/rs6000/atlivec.md (mulv4si3): New pattern.
-       
+
 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
 
        PR tree-optimization/20922
index 71bd4ee..e9c6407 100644 (file)
@@ -3372,18 +3372,15 @@ current file to be treated as if it came from a system header.
 @chapter Other Directives
 
 @findex #ident
+@findex #sccs
 The @samp{#ident} directive takes one argument, a string constant.  On
 some systems, that string constant is copied into a special segment of
-the object file.  On other systems, the directive is ignored.
-
-This directive is not part of the C standard, but it is not an official
-GNU extension either.  We believe it came from System V@.
+the object file.  On other systems, the directive is ignored.  The
+@samp{#sccs} directive is a synonym for @samp{#ident}.
 
-@findex #sccs
-The @samp{#sccs} directive is recognized, because it appears in the
-header files of some systems.  It is a very old, obscure, extension
-which we did not invent, and we have been unable to find any
-documentation of what it should do, so GCC simply ignores it.
+These directives are not part of the C standard, but they are not
+official GNU extensions either.  What historical information we have
+been able to find, suggests they originated with System V@.
 
 @cindex null directive
 The @dfn{null directive} consists of a @samp{#} followed by a newline,
index 6397e2a..c13a067 100644 (file)
@@ -1,3 +1,9 @@
+2005-05-12  Zack Weinberg  <zack@codesourcery.com>
+
+       * directives.c (#sccs table entry): Mark IN_I, consistent with #ident.
+       (do_sccs): Delete function definition, #define to do_ident.
+       (do_ident): Don't hardwire directive name.
+
 2005-05-12  Ryota Kunisawa  <kunisawa@access.co.jp>
 
        PR bootstrap/21230
@@ -26,7 +32,7 @@
        fflush, fgetc, fgets, ferror, fread): Redefine to the associated
        _unlocked function.
        (fwrite_unlocked): Fix prototype.
-       
+
        * configure, config.in: Regenerate.
 
 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
@@ -58,7 +64,7 @@
        * lex.c (forms_identifier_p): Disable UCNs in C89 mode.
 
 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
-       
+
        * init.c (cpp_create_reader): Default warn_normalize to normalized_C.
        * charset.c: Update for new format of ucnid.h.
        (ucn_valid_in_identifier): Update for new format of ucnid.h.
 
        * directives.c (do_line): Save sysp early before line table is
        realloc'ed.
-       
+
 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
 
        PR 18785
index 957e879..672415b 100644 (file)
@@ -157,7 +157,10 @@ D(ident,   T_IDENT,        EXTENSION, IN_I)           /*     11 */ \
 D(import,      T_IMPORT,       EXTENSION, INCL | EXPAND)  /* 0 ObjC */ \
 D(assert,      T_ASSERT,       EXTENSION, 0)              /* 0 SVR4 */ \
 D(unassert,    T_UNASSERT,     EXTENSION, 0)              /* 0 SVR4 */ \
-D(sccs,                T_SCCS,         EXTENSION, 0)              /* 0 SVR4? */
+D(sccs,                T_SCCS,         EXTENSION, IN_I)           /* 0 SVR4? */
+
+/* #sccs is synonymous with #ident.  */
+#define do_sccs do_ident
 
 /* Use the table to generate a series of prototypes, an enum for the
    directive names, and an array of directive handlers.  */
@@ -953,7 +956,8 @@ do_ident (cpp_reader *pfile)
   const cpp_token *str = cpp_get_token (pfile);
 
   if (str->type != CPP_STRING)
-    cpp_error (pfile, CPP_DL_ERROR, "invalid #ident directive");
+    cpp_error (pfile, CPP_DL_ERROR, "invalid #%s directive",
+              pfile->directive->name);
   else if (pfile->cb.ident)
     pfile->cb.ident (pfile, pfile->directive_line, &str->val.str);
 
@@ -1474,12 +1478,6 @@ cpp_handle_deferred_pragma (cpp_reader *pfile, const cpp_string *s)
   CPP_OPTION (pfile, defer_pragmas) = saved_defer_pragmas;
 }
 
-/* Ignore #sccs on all systems.  */
-static void
-do_sccs (cpp_reader *pfile ATTRIBUTE_UNUSED)
-{
-}
-
 /* Handle #ifdef.  */
 static void
 do_ifdef (cpp_reader *pfile)