+2004-06-11 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * doc/install.texi (Prerequisites): Update documentation of
+ required versions of autoconf and automake. Remove mention of
+ libf2c.
+
+2004-06-11 Jason Merrill <jason@redhat.com>
+
+ * config/sparc/sparc.c (sparc_gimplify_va_arg): New fn.
+ (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
+
+2004-06-11 Jerry Quinn <jlquinn@optonline.net>
+
+ * typeclass.h: Add GPL plus exception license. Add include
+ guard.
+
+2004-06-10 Jason Merrill <jason@redhat.com>
+
+ * gimplify.c (gimplify_modify_expr): Don't force a temporary
+ of an aggregate_value_p type.
+
+2004-06-10 Jeff Law <law@redhat.com>
+
+ * fold-const.c (fold_inf_compare): Avoid creating non-gimple
+ code when we are in gimple form.
+
+2004-06-10 Diego Novillo <dnovillo@redhat.com>
+
+ * Makefile.in (tree-ssanames.o): Depend on TREE_FLOW_H.
+ * tree-flow.h (ssa_names, num_ssa_names, ssa_name): Declare.
+ (highest_ssa_version): Remove.
+ * tree-outof-ssa.c (new_temp_expr_table): Replace
+ highest_ssa_version with num_ssa_names.
+ (dump_replaceable_exprs): Likewise.
+ (rewrite_vars_out_of_ssa): Likewise.
+ * tree-ssa-ccp.c (initialize): Likewise
+ * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
+ * tree-ssa-dce.c (tree_dce_init): Likewise.
+ * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
+ * tree-ssa-live.c (create_ssa_var_map): Likewise.
+ (dump_var_map): Likewise.
+ * tree-ssa.c (verify_ssa): Likewise.
+ (kill_redundant_phi_nodes): Likewise.
+ Do not build a local array of SSA_NAMEs. Use the ssa_names table.
+ * tree-ssanames.c: Include tree-flow.h
+ (ssa_names): New varray.
+ (init_ssa_names): Initialize ssa_names.
+ Reserve the first slot of the ssa_names table.
+ (make_ssa_name): Push the newly created SSA_NAME into ssa_names.
+ Assign version numbers using num_ssa_names.
+
+2004-06-10 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * doc/sourcebuild.texi (Front End): Add details of more
+ installation documentation required.
+
+2004-06-10 Brian Booth <bbooth@redhat.com>
+
+ * doc/tree-ssa.texi: Remove references to VDEF and add descriptions
+ of V_MAY_DEF and V_MUST_DEF.
+ * tree-dfa.c (dfa_stats_d): Add num_v_must_defs and rename
+ num_vdefs to num_v_may_defs.
+ (compute_immediate_uses_for_stmt): Rename occurences of vdef
+ to v_may_def.
+ (redirect_immediate_uses): Ditto.
+ (dump_dfa_stats): Ditto. Also added code to dump num_v_must_defs.
+ (collect_dfa_stats_r): Rename occurences of vdef to v_may_def.
+ Also add code to sum up the number of v_must_defs.
+ (vdefs_disappeared_p): Replace with...
+ (v_may_defs_disappeared_p): This.
+ (v_must_defs_disappeared_p): New function.
+ (mark_new_vars_to_rename): Rename occurences of vdef to v_may_def.
+ Also add code to mark new variables found in V_MUST_DEFs for
+ renameing.
+ * tree-flow.h (stmt_ann_d): Add v_must_def_ops and replace
+ vdef_ops to v_may_def_ops.
+ (get_vdef_ops): Replace with...
+ (get_v_may_def_ops): This.
+ * tree-flow-inline.h (get_vdef_ops): Replace with...
+ (get_v_may_def_ops): This.
+ (get_v_must_def_ops): New function.
+ (get_vdef_result_ptr): Replace with...
+ (get_v_may_def_result_ptr): This.
+ (get_vdef_op_ptr): Ditto with...
+ (get_v_may_def_op_ptr); This.
+ (get_v_must_def_op_ptr): New function.
+ * tree-into-ssa.c (mark_def_sites): Rename occurences of vdef
+ to v_may_def. Also add code to mark statements with
+ V_MUST_DEFs as definition sites.
+ (rewrite_stmt): Rename occurences of vdef to v_may_def. Also
+ add code to register new V_MUST_DEFs made by the statement.
+ * tree-outof-ssa.c (VIRTUAL_PARTITION): Update comments.
+ (check_replaceable): Rename occurences of vdef to v_may_def. Also
+ add check for V_MUST_DEFs.
+ (find_replaceable_in_bb): Ditto.
+ * tree-pretty-print.c (dump_vops): Rename occurences of vdef
+ to v_may_def. Also add code to dump V_MUST_DEFs.
+ * tree-sra.c (mark_all_vdefs): Replace with...
+ (mark_all_v_may_defs): This.
+ (mark_all_v_must_defs): New function.
+ (create_scalar_copies): Replace call to mark_all_vdefs with
+ calls to mark_all_v_may_defs and mark_all_v_must_defs.
+ (scalarize_structures): Rename occurences of vdef to v_may_def.
+ Also add a check for V_MUST_DEFs.
+ (scalarize_modify_expr): Rename occurences of vdef to v_may_def.
+ * tree-ssa-alias.c (global_var): Update comment.
+ (compute_may_aliases): Ditto.
+ (compute_points_to_and_addr_escape): Rename occurences of vdef
+ to v_may_def. Also add code to mark variables in V_MUST_DEF
+ operands as being written to.
+ (group_aliases): Update comment.
+ (maybe_create_global_var): Ditto.
+ * tree-ssa.c (verify_ssa): Rename occurences of vdef to v_may_def.
+ Also add a check for V_MUST_DEFs on GIMPLE registers.
+ (replace_immediate_uses): Rename occurences of vdef to v_may_def.
+ * tree-ssa-ccp.c (visit_stmt): Rename occurences of vdef
+ to v_may_def. Also add code to mark all V_MUST_DEF operands
+ VARYING.
+ (initialize): Ditto.
+ (set_rhs): Rename occurences of vdef to v_may_def. Also add
+ code to update SSA_NAMEs in V_MUST_DEFs.
+ * tree-ssa-copy.c (cprop_into_stmt): Rename occurences of vdef
+ to v_may_def.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Rename
+ occurences of vdef to v_may_def. Also add code to mark statements
+ with V_MUST_DEFs as necessary.
+ (propagate_necessity): Rename occurences of vdef to v_may_def.
+ * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Rename
+ occurences of vdef to v_may_def. Also add code to mark operands
+ in V_MUST_DEFs for renaming.
+ (eliminate_redundant_computations): Rename occurences of vdef
+ to v_may_def.
+ (record_equivalences_from_stmt): Rename occurences of vdef
+ to v_may_def. Also add code to record VUSEs for V_MUST_DEFs.
+ (optimize_stmt): Remove unnesessary variable vdefs. Update
+ comment.
+ (register_definitions_for_stmt): Rename occurences of vdef
+ to v_may_def. Also add code to register definitions made with
+ V_MUST_DEFs.
+ * tree-ssa-dse.c (fix_stmt_vdefs): Replace with...
+ (fix_stmt_v_may_defs): This.
+ (fix_phi_uses): Rename occurences of vdef to v_may_def.
+ (dse_optimize_stmt): Ditto.
+ * tree-ssa-live.c (create_ssa_var_map): Rename occurences of vdef
+ to v_may_def. Also add code to mark V_MUST_DEF operands as being
+ used in virtual operators.
+ * tree-ssa-loop.c (mark_defs_for_rewrite): Rename occurences of
+ vdef to v_may_def. Also add code to mark V_MUST_DEF operands for
+ renaming.
+ * tree-ssa-operands.c (opf_kill_def): New flag for killing
+ definitions.
+ (build_vdefs): Renamed to...
+ (build_v_may_defs): This.
+ (build_v_must_defs): New variable.
+ (voperands_d): Add v_must_def_ops and replace vdef_ops with
+ v_may_def_ops.
+ (append_vdef): Replace with...
+ (append_v_may_def): This.
+ (append_v_must_def): New function.
+ (NUM_FREE): Increment for V_MUST_DEF
+ (optype_freelist): Increment its size for V_MUST_DEF
+ (allocate_vdef_optype): Replace with...
+ (allocate_v_may_def_optype): This.
+ (allocate_v_must_def_optype): New function.
+ (free_vdefs): Replace with...
+ (free_v_may_defs): This.
+ (free_v_must_defs): New function.
+ (remove_vdefs): Replace with...
+ (remove_v_may_defs): This.
+ (remove_v_must_defs): New function.
+ (init_ssa_operands): Rename occurences of vdef to v_may_def. Also
+ add code to initialize build_v_must_defs.
+ (finalize_ssa_vdefs): Replace with...
+ (finalize_ssa_v_may_defs): This.
+ (finalize_ssa_vuses): Rename occurences of vdef to v_may_def.
+ (finalize_ssa_v_must_defs): New function.
+ (finalize_ssa_stmt_operands): Replace call to finalize_ssa_vdefs
+ with calls to finalize_ssa_v_may_defs and finalize_ssa_v_must_defs.
+ (verify_start_operands): Rename occurences of vdef to v_may_def.
+ Also add check for build_v_must_defs.
+ (get_stmt_operands): Rename occurences of vdef to v_may_def.
+ Also add code to handle V_MUST_DEFs and to use opf_kill_def for
+ killing definitions.
+ (get_expr_operands): Update comment and use opf_kill_def for
+ killing definitions.
+ (add_stmt_operand): Replace code that appends VDEFs with code
+ that appends V_MUST_DEFs when opf_kill_def is set and V_MAY_DEFs
+ otherwise.
+ (add_call_clobber_ops): Update comments.
+ * tree-ssa-operands.h (vdef_optype_d): Replace with...
+ (v_may_def_optype_d): This.
+ (v_must_def_optype_d): New structure.
+ (VDEF_OPS): Replace with...
+ (V_MAY_DEF_OPS): This.
+ (STMT_VDEF_OPS): Same with...
+ (STMT_V_MAY_DEF_OPS): This.
+ (NUM_VDEFS): And...
+ (NUM_V_MAY_DEFS): This.
+ (VDEF_RESULT_PTR): As well as...
+ (V_MAY_DEF_RESULT_PTR): This.
+ (VDEF_RESULT): Same goes for...
+ (V_MAY_DEF_RESULT): This.
+ (VDEF_OP_PTR): And...
+ (V_MAY_DEF_OP_PTR): This.
+ (VDEF_OP): And...
+ (V_MAY_DEF_OP): This.
+ (V_MUST_DEF_OPS): New macro.
+ (STMT_V_MUST_DEF_OPS): Ditto.
+ (NUM_V_MUST_DEFS): Ditto.
+ (V_MUST_DEF_OP_PTR): Ditto.
+ (V_MUST_DEF_OP): Ditto.
+ (remove_vdefs): Replace signature with...
+ (remove_v_may_defs): This.
+ (remove_v_must_defs): New function signature.
+ * tree-ssa-pre.c (subst_phis): Replace call to remove_vdefs
+ with calls to remove_v_may_defs and remove_v_must_defs.
+ (process_left_occs_and_kills): Rename occurences of vdef to v_may_def.
+ Also add code that marks left occurences of operands in V_MUST_DEFs.
+ * tree-tailcall.c (find_tail_calls): Rename occurences of vdef
+ to v_may_def. Also add check for V_MUST_DEFs.
+ (eliminate_tail_call):Rename occurences of vdef to v_may_def.
+
+2004-06-10 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/15653
+ * haifa-sched.c (schedule_block): Finish cycle after issuing asm
+ insn.
+
+2004-06-10 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR web/15263
+ * doc/install.texi: Remove superfluous linebreak.
+
+2004-06-10 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin): Fall back to library function call for
+ conj, conjf, conjl, creal, crealf, creall, cimag, cimagf and cimagl.
+ (fold_builtin_1): Lower built-ins BUILT_IN_CONJ{,F,L} to CONJ_EXPR,
+ BUILT_IN_CREAL{,F,L} to REALPART_EXPR, and BUILT_IN_CIMAG{,F,L} to
+ IMAGPART_EXPR respectively.
+
+2004-06-10 J"orn Rennecke <joern.rennecke@superh.com>
+
+ * sh.c (dump_table): New argument start. Changed caller.
+ (fixup_mova): New function.
+ (find_barrier): Use it.
+ (sh_reorg): Likewise. Check for CODE_FOR_casesi_worker_2.
+ If the label a mova refers to is above the mova itself, change
+ the mova into a load.
+ * sh.md (*casesi_worker): Rename to:
+ (casesi_worker_1).
+ (casesi_worker_2): New insn.
+
+2004-06-10 Jason Merrill <jason@redhat.com>
+
+ * target.h (struct gcc_target): Change gimplify_va_arg_expr
+ hook signature.
+ * tree-gimple.h: Adjust.
+ * config/alpha/alpha.c (alpha_gimplify_va_arg): Adjust.
+ * config/i386/i386.c (ix86_gimplify_va_arg): Adjust.
+ Use fold_convert.
+ * config/ia64/ia64.c (ia64_gimplify_va_arg): Adjust.
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust.
+ Use COMPLEX_EXPR for complex numbers. Use fold_convert.
+ * builtins.c (std_gimplify_va_arg_expr): Adjust. Use fold_convert.
+ (gimplify_va_arg_expr): Return GS_ERROR in error case.
+ Gimplify valist rather than calling stabilize_va_list.
+
+2004-06-10 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ * Makefile.in (df.o): Remove fibheap dependency.
+ * df.h: Do not include sbitmap.h.
+ (struct ref): New field "data".
+ (DF_REF_DATA): New accessor macro.
+ (struct df): Field "dom" removed.
+ (df_analyze_subcfg): New function.
+ (transfer_function_sbitmap, transfer_function_bitmap): Replaced by ...
+ (transfer_function): ... new type.
+ (iterative_dataflow_sbitmap, iterative_dataflow_bitmap): Replaced by ...
+ (iterative_dataflow): ... new function.
+ (enum set_representation, struct dataflow): New.
+ * df.c: Do not include fibheap.h.
+
+ (df_reg_def_chain_clean, df_reg_use_chain_clean,
+ (df_bb_table_realloc, df_analyse_subcfg, free_reg_ref_chain,
+ prune_to_subcfg, df_bb_modify): New functions.
+ (df_bitmaps_alloc, df_reg_def_chain_create, df_reg_use_chain_create,
+ df_refs_update, df_reg_table_realloc, df_ref_create,
+ df_bb_reg_def_chain_create, df_bb_reg_use_chain_create,
+ df_bb_rd_local_compute, df_bb_ru_local_compute, df_bb_lr_local_compute,
+ df_analyse_1, df_insn_modify): Support analysing only a part of the cfg.
+
+ (dataflow_set_a_op_b, dataflow_set_copy): New functions.
+ (df_rd_transfer_function, df_ru_transfer_function,
+ df_lr_transfer_function): Type of bitmaps changed to void *.
+ (hybrid_search_bitmap, hybrid_search_sbitmap): Merge into ...
+ (hybrid_search): ... new function.
+ (iterative_dataflow_bitmap, iterative_dataflow_sbitmap): Merge into ...
+ (iterative_dataflow): ... new function. Avoid use of fibheaps for
+ a worklist. Do not process basic blocks unnecessarily.
+
+2004-06-10 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_abs_const): Make extern.
+ * tree.h (fold_abs_const): Prototype here.
+ * builtins.c (fold_builtin_fabs): New function to transform
+ fabs, fabsf and fabsl builtins into ABS_EXPR tree nodes.
+ (fold_builtin_abs): New function to transform abs, labs, llabs
+ and imaxabs builtins into ABS_EXPR tree nodes.
+ (expand_builtin): Fall back to a function call for abs, labs,
+ llabs and imaxabs builtins that survive constant folding.
+ (fold_builtin_1): Call fold_builtin_fabs for FABS, FABSF and
+ FABSL, and fold_builtin_abs for ABS, LABS, LLABS and IMAXABS.
+
+2004-06-10 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/unwind-ia64.c (uw_frame_state_for): Don't assume a
+ leaf function without unwind info at RP 0.
+
+2004-06-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/14791
+ * tree.h (enum tree_index): Add TI_FILEPTR_TYPE.
+ (fileptr_type_node): Define.
+ * tree.c (build_common_tree_nodes_2): Initialize
+ fileptr_type_node to ptr_type_node.
+ * c-common.c (c_common_nodes_and_builtins): For C++, make
+ fileptr_type_node a distinct type copy.
+ * builtin-types.def (BT_FILEPTR, BT_FN_INT_CONST_STRING_FILEPTR,
+ BT_FN_INT_INT_FILEPTR, BT_FN_INT_FILEPTR_CONST_STRING_VALIST_ARG,
+ BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR,
+ BT_FN_INT_FILEPTR_CONST_STRING_VAR): Add.
+ (BT_FN_INT_CONST_STRING_PTR, BT_FN_INT_INT_PTR,
+ BT_FN_SIZE_CONST_PTR_SIZE_SIZE_PTR, BT_FN_INT_PTR_CONST_STRING_VAR,
+ BT_FN_INT_PTR_CONST_STRING_VALIST_ARG): Remove.
+ * builtins.def (BUILT_IN_FPRINTF, BUILT_IN_FPRINTF_UNLOCKED,
+ BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED, BUILT_IN_FPUTS,
+ BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FSCANF, BUILT_IN_FWRITE,
+ BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_VFPRINTF, BUILT_IN_VFSCANF): Use
+ the above *FILEPTR* types instead of *PTR*.
+
+2004-06-09 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa.c (verify_ssa): Verify that vdefs/makes_aliased_stores
+ match.
+
+2004-06-09 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_not_const): New function.
+ (fold) <ABS_EXPR>: Don't bother testing wins.
+ (fold) <BIT_NOT_EXPR>: Call fold_not_const.
+ (nondestructive_fold_unary_to_constant) <BIT_NOT_EXPR>: Likewise.
+
+2004-06-09 Richard Henderson <rth@redhat.com>
+
+ PR middle-end/15228
+ * function.c (assign_parms): Always set_mem_align with the computed
+ FUNCTION_ARG_BOUNDARY. Don't clear stack_parm if !STRICT_ALIGNMENT.
+
+2004-06-09 Richard Henderson <rth@redhat.com>
+
+ PR opt/15108
+ * tree-tailcall.c (find_tail_calls): Don't check early for
+ tail_recursion failure.
+
+2004-06-09 Diego Novillo <dnovillo@redhat.com>
+
+ Move SSA_NAME annotations into tree_ssa_name.
+
+ * tree-dfa.c (create_ssa_name_ann): Remove.
+ * tree-flow-inline.h (ssa_name_ann, get_ssa_name_ann): Remove.
+ * tree-flow.h (enum tree_ann_type): Remove SSA_NAME_ANN.
+ (struct ssa_name_ann_d): Remove.
+ (union tree_ann_d): Update.
+ (ssa_name_ann_t): Remove.
+ * tree-ssa-alias.c: (get_ptr_info): New local function.
+ Replace references to ssa_name_ann_t with struct ptr_info_def.
+ * tree-ssa-operands.c (get_expr_operands): Likewise.
+ * tree.h (SSA_NAME_PTR_INFO): Define.
+ (struct ptr_info_def): Declare.
+ (struct tree_ssa_name): Add field 'ptr_info'.
+
+2004-06-09 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/winnt.c (i386_pe_output_labelref): Correct
+ misplaced ')'.
+
+2004-06-09 Steven Bosscher <stevenb@suse.de>
+
+ * config/i386/k6.md: Rewrite using the DFA model.
+ * config/i386/i386.c (ix86_adjust_cost): Don't increase the
+ cost of load-operation insns for the K6.
+ (ia32_use_dfa_pipeline_interface): Add TARGET_K6.
+ (ia32_multipass_dfa_lookahead): Likewise.
+
+2004-06-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_gimplify_va_arg_1,
+ alpha_gimplify_va_arg, TARGET_GIMPLIFY_VA_ARG_EXPR): New.
+
+2004-06-09 Richard Henderson <rth@redhat.com>
+
+ * expmed.c (emit_store_flag): Cope with FLOAT_STORE_FLAG_VALUE.
+
+2004-06-09 Geoffrey Keating <geoffk@apple.com>
+
+ * Makefile.in (CPPLIB_H): Put files in order of inclusion.
+ (CPP_ID_DATA_H): New.
+ (gtype-desc.o): Update dependencies.
+ (GTFILES): Use CPP_ID_DATA_H.
+
+2004-06-09 Mark Mitchell <mark@codesourcery.com>
+
+ Revert:
+ PR c++/15815
+ 2004-06-07 Mark Mitchell <mark@codesourcery.com>
+ * doc/extend.texi: Deprecate #pragma interface and #pragma
+ implementation.
+
+2004-06-09 David S. Miller <davem@nuts.davemloft.net>
+
+ * config/sparc/sparc.h (MOVE_RATIO): New definition.
+
+2004-06-09 Richard Henderson <rth@redhat.com>
+
+ * basic-block.h (struct edge_def): Add goto_locus.
+ * tree-cfg.c (make_goto_expr_edges): Set it.
+ (disband_implicit_edges): Use it.
+ * tree-pretty-print.c (dump_implicit_edges): Print it.
+
+2004-06-08 Anil Paranjpe <anilp1@kpitcummins.com>
+
+ * h8300.md (ldm_h8300s_4): Fix condition for expander.
+
+2004-06-08 Jason Merrill <jason@redhat.com>
+
+ Gimplify VA_ARG_EXPR into simpler forms.
+ * target.h: Add gimplify_va_arg_expr hook.
+ * target-def.h: Add TARGET_GIMPLIFY_VA_ARG_EXPR.
+ * fold-const.c (build_fold_addr_expr)
+ (build_fold_addr_expr_with_type): Move from gimplify.c.
+ * tree.h: Declare them.
+ * gimplify.c (gimplify_and_add): New fn.
+ (build_addr_expr, build_addr_expr_with_type): Move to fold-const.c.
+ (gimplify_array_ref_to_plus, gimplify_modify_expr)
+ (gimplify_expr): Use build_fold_*.
+ (copy_if_shared_r): Only mark VA_ARG_EXPR volatile if we
+ don't know how to gimplify it.
+ * builtins.c (std_gimplify_va_arg_expr): New fn.
+ (dummy_object): New static fn.
+ (gimplify_va_arg_expr): New fn.
+ (stabilize_va_list): Use build_fold_*.
+ * tree-gimple.h: Declare new fns.
+ * config/i386/i386.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
+ (ix86_gimplify_va_arg): New fn.
+ * config/ia64/ia64.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
+ (ia64_gimplify_va_arg): New fn.
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): New fn.
+ (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
+ * alias.c (get_varargs_alias_set): Just return 0 for now.
+
+ * c-objc-common.c (c_tree_printer): Improve handling of %T.
+
+2004-06-09 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * tree-complex.c (expand_complex_comparison): Use fold_convert instead
+ of convert.
+ * tree-inline.c (setup_one_parameter): Likewise.
+ * tree-sra.c (csc_build_component_ref): Likewise.
+ * tree-ssa-ccp.c (ccp_fold): Likewise.
+ * tree-ssa-copy.c (cprop_operand): Likewise.
+ * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
+ * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
+
+2004-06-09 J"orn Rennecke <joern.rennecke@superh.com>
+
+ PR rtl-optimization/15521:
+ * sched-int.h (in_post_call_group_p): Change type to enum.
+ * sched-deps.c (sched_analyze_insn):
+ (sched_analyze): When in_post_call_group_p is post_call_initial,
+ don't add a dependency, but still set SCHED_GROUP_P and CANT_MOVE,
+ and also reset in_post_call_group_p to post_call.
+ (sched_analyze): When the previous basic block ended in a CALL_INSN,
+ initialize in_post_call_group_p as post_call_initial.
+ (init_deps): initialize in_post_call_group_p to not_post_call.
+
+2004-06-09 Arnaud Charlet <charlet@act-europe.fr>
+
+ PR ada/6637
+ * doc/install.texi: List ada, libada as options to --enable-shared
+
+2004-06-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * aclocal.m4 (gcc_AC_PROG_LN): Remove.
+ (gcc_AC_CHECK_DECLS): Use AH_TEMPLATE to generate
+ config.in entries.
+ * configure.ac: Call ACX_PROG_LN, falling back to $LN_S
+ if hard links are not available.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+2004-06-08 Per Bothner <per@bothner.com>
+
+ * configure.ac: New --enable-mapped-location sets USE_MAPPED_LOCATION.
+
+2004-06-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (floor_log2_wide): Correct casts for 64-bit hosts.
+ Correct formatting.
+
+2004-06-08 James E Wilson <wilson@specifixinc.com>
+
+ PR target/15790
+ * config/i386/i386-coff.h (ASM_OUTPUT_ALIGN): Define.
+
+2004-06-08 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * fold-const.c (fold_convert): Treat OFFSET_TYPE like
+ POINTER_TYPE and INTEGER_TYPE.
+
+2004-06-08 Bernardo Innocenti <bernie@develer.com>
+
+ * modulo-sched.c: Compile only when INSN_SCHEDULING is
+ defined.
+
+2004-06-08 Jeff Law <law@redhat.com>
+
+ * doc/contrib.texi: Add entries for Stefan Olsson and
+ Ola Ronnerup.
+
+2004-06-08 DJ Delorie <dj@redhat.com>
+
+ * toplev.c (floor_log2_wide): Replace loop with faster bit
+ operations.
+ (exact_log2_wide): Define in terms of the above.
+ * toplev.h (floor_log2): Use _builtin_clz family of builtins if
+ available.
+
+2004-06-08 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * config/rs6000/rs6000.c (print_operand, <case 'z'>):
+ Make sure that we are in INDIRECT mode when getting the
+ stub name.
+
+2004-06-08 Anil Paranjpe <anilp1@kpitcummins.com>
+
+ * h8300.md (extendqisi2_h8300): Add constraints.
+ (ldm_h8300s_4_normal): Fix typo.
+
+2004-06-08 Richard Henderson <rth@redhat.com>
+
+ * gimple-low.c (struct lower_data): Replace the_return_label and
+ one_return_stmt with return_statements.
+ (lower_function_body): Process the entire list of return_statements.
+ (lower_return_expr): Check source value before unifying return_exprs.
+ * gimplify.c (gimplify_return_expr): Force the use of a temporary
+ for !aggregate_value_p.
+ * tree-gimple.c: Update RETURN_EXPR grammer.
+
+2004-06-08 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/15598
+ * config/ia64/ia64.c (bundling): Add missed TYPE_A.
+
+2004-06-08 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
+
+ PR rtl-optimization/15717
+ * config/i386/i386.c (legitimate_constant_p): Do not allow
+ x - symbol_ref.
+
+2004-06-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * gimplify.c (copy_if_shared_r): Revert:
+ 2004-05-21 Richard Henderson <rth@redhat.com>
+ * gimplify.c [...] Don't mark VA_ARG_EXPRs volatile here.
+
+2004-06-07 Roger Sayle <roger@eyesopen.com>
+
+ * expmed.c (add_cost, neg_cost, sdiv_pow2_cheap, smod_pow2_cheap):
+ Make arrays indexed by machine mode. Rename negate_cost to neg_cost.
+ (init_expmed): Initialize these cost arrays as appropriate.
+ (store_bit_field, extract_bit_field): Correct whitespace.
+ (synth_mult, choose_mult_variant, expand_mult, expand_mult_highpart,
+ expand_mult_highpart_optab, expand_divmod): Update uses of add_cost,
+ neg_cost, sdiv_pow2_cheap, smod_pow2_cheap to index with mode,
+ word_mode or compute_mode as appropriate.
+
+2004-06-07 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR target/15783
+ * config/sparc/sparc.c (function_arg_union_value): Add 'mode'
+ parameter. Enumerate the registers inside the PARALLEL.
+ (function_arg): Adjust call to function_arg_union_value.
+ (function_value): Likewise.
+
+ * config/sparc/sparc.c (sparc_function_epilogue): Properly format.
+
+2004-06-07 Roger Sayle <roger@eyesopen.com>
+
+ * real.c (real_copysign): New function to implement libm's copysign.
+ * real.h (real_copysign): Prototype here.
+ * fold-const.c (tree_expr_nonnegative_p): The result of sqrt, sqrtf
+ and sqrtl can be negative, as sqrt(-0.0) = -0.0. Correct whitespace.
+ * builtins.c (fold_builtin_isascii, fold_builtin_toascii,
+ fold_builtin_isdigit): Add function prototypes.
+ (fold_builtin_copysign): New function to fold copysign, copysignf
+ and copysignl. Optimize copysign(x,x) as x. Evaluate copysign of
+ constant arguments at compile-time using real_copysign. Fold
+ copysign(X,Y) as fabs(X) if Y is always non-negative.
+ (fold_builtin_1): Correct minor whitespace/style issues. Call
+ fold_builtin_copysign for BUILT_IN_COPYSIGN{,F,L}.
+
+2004-06-07 J"orn Rennecke <joern.rennecke@superh.com>
+
+ * tree.c (iterative_hash_expr): Use real_hash.
+
+2004-06-07 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ PR c/14765
+ * c-parse.in (compstmt_primary_start): Set last_expr_type to
+ NULL_TREE.
+
+2004-06-07 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/15815
+ * doc/extend.texi: Deprecate #pragma interface and #pragma
+ implementation.
+
+2004-06-07 Alexandre Oliva <aoliva@redhat.com>
+
+ PR middle-end/15666
+ * c-decl.c (finish_decl): Use change_decl_assembler_name for the
+ builtin decl as well.
+
+2004-06-07 Roger Sayle <roger@eyesopen.com>
+
+ PR c/14649
+ * c-typeck.c (require_constant_value, require_constant_elements):
+ Move declarations to the top of the file.
+ (build_function_call): If we require a constant value, fold with
+ fold_initializer. If the result is a constant, and the function
+ wasn't called using __builtin_foo, issue a pedantic warning.
+ (build_unary_op): If we require a constant value, fold tree with
+ fold_initializer.
+ (build_binary_op): Use require_constant_value to determine whether
+ to call fold or fold_initializer.
+
+2004-06-07 Richard Henderson <rth@redhat.com>
+
+ * gimple-low.c (struct lower_data): Add the_return_label and
+ one_return_stmt.
+ (lower_function_body): Initialize and use them.
+ (lower_return_expr): New.
+ (lower_stmt): Call it.
+ * gimplify.c (gimplify_return_expr): Force the argument to be either
+ null or a result_decl.
+ * tree-gimple.c: Update gimple grammer to match.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Deny
+ coalescing of result_decls.
+
+2004-06-07 Richard Henderson <rth@redhat.com>
+
+ PR rtl-opt/15193
+ * expmed.c (extract_bit_field): Fix vector_extract return.
+
+ * config/i386/i386.md (negv4sf2): New pattern.
+
+2004-06-07 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/15337
+ * c-common.c (c_sizeof_or_alignof_type): Use more detailed error
+ message.
+
+2004-06-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * config.in: Regenerate.
+
+2004-06-06 Steven Bosscher <stevenb@suse.de>
+
+ * tree-cfg.c (tree_verify_flow_info): Make sure that labels in
+ SWITCH_LABELS are always sorted.
+
+2004-06-06 Steven Bosscher <stevenb@suse.de>
+
+ * hooks.c (hook_int_void_1): New generic hook.
+ * hooks.h (hook_int_void_1): Add prototype.
+ * config/c4x/c4x.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
+ Define to hook_int_void_1.
+ * config/c4x/c4x.md: Replace dummies for the old pipeline model
+ with dummies for the new one.
+
+2004-06-06 Roger Sayle <roger@eyesopen.com>
+
+ * tree.h (lvalue_or_else): Delete function prototype.
+ * c-typeck.c (lvalue_or_else): Make static. Add static prototype.
+
+2004-06-06 Stephane Carrez <stcarrez@nerim.fr>
+
+ PR target/14542
+ * config/m68hc11/m68hc11.md (move peephole2): Emit a use note to avoid
+ a live change of a register after peephole replacement.
+
+2004-06-06 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ PR c/13519
+ * c-typeck.c (composite_type, common_pointer_type): New functions.
+ (common_type): Split parts into composite_type and
+ common_pointer_type. Ensure that arithmetic operations return
+ unqualified types without attributes. Don't make composite type
+ of signed enum and compatible integer be unsigned.
+ (build_conditional_expr, build_binary_op): Use
+ common_pointer_type.
+ * c-decl.c (merge_decls): Use composite_type.
+ * c-tree.h (composite_type): Declare.
+
+2004-06-06 Stephane Carrez <stcarrez@nerim.fr>
+
+ PR target/14457
+ * config/m68hc11/m68hc11.c (splitable_operand): New predicate.
+ * config/m68hc11/m68hc11-protos.h (splitable_operand): Declare.
+ * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register it.
+ (inhibit_libc): Must define.
+ * config/m68hc11/m68hc11.md ("movhi_const0"): Use splitable_operand.
+ ("*andhi3_gen", "iorhi3", "*iorhi3_gen"): Likewise.
+ ("xorhi3"): Likewise.
+
+2004-06-06 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * cgraphunit.c (cgraph_decide_inlining): Adjust dump lines in
+ always_inline pass.
+
+2004-06-05 David S. Miller <davem@nuts.davemloft.net>
+
+ * config/sparc/linux.h (TARGET_C99_FUNCTIONS): Set.
+ * config/sparc/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
+
+2004-06-05 Bernardo Innocenti <bernie@develer.com>
+
+ * regclass.c (init_reg_sets): Check for missing registers in target
+ initializer macros FIXED_REGISTERS and CALL_USED_REGISTERS.
+
+2004-06-05 Zack Weinberg <zack@codesourcery.com>
+
+ * Makefile.in (MKDEPS_H): New shorthand.
+ (c-opts.o): Update dependencies.
+ * c-opts.c: Include mkdeps.h.
+ (handle_deferred_opts): Use cpp_get_deps and deps_add_target,
+ not cpp_add_dependency_target.
+
+2004-06-05 Steven Bosscher <stevenb@suse.de>
+
+ * config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
+ * config/v850/v850.md: Convert to DFA scheduler description.
+
+2004-06-05 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
+
+ PR fortran/15478
+ * doc/install.texi: Document GMP as prerequisite. Document
+ --with-gmp and --with-gmp-dir configure options.
+ * fortran/gfortran.texi: Remove section "Compiling and testing",
+ remove TOC reference to it.
+
+2004-06-05 Graham Stott <graham.stott@btinternet.com>
+
+ * combine.c(simplify_shift_const): Check shift amount is a
+ CONST_INT.
+
+2004-06-05 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * toplev.c (init_asm_output): Add explicit 'b' to mode when
+ opening asm_out_file.
+ * c-pch.c (c_common_write_pch): Remove unnecessary fflush before
+ reading asm_out_file. Replace fflush after reading asm_out_file
+ with fseek.
+ * hosthooks-def.h (HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY): Define
+ default and add to HOST_HOOKS_INITIALIZER.
+ * hosthooks.h (gt_pch_alloc_granularity): Declare hook function.
+ * ggc-common.c (default_gt_pch_alloc_granularity): New function.
+ (gt_pch_save): Use host_hooks.gt_pch_alloc_granularity
+ to set mmi.offset padding.
+ * config.gcc (i[34567]86-*-mingw32*): Set target_gtfiles to
+ $(srcdir)/config/i386/winnt.c.
+ (i[34567]86-*-pe | i[34567]86-*-cygwin*): Likewise.
+ (i[34567]86-*-uwin*): Likewise.
+ *i[34567]86-*-interix3*): Likewise.
+ * config.host (i[34567]86-*-mingw32*): Set out_host_hook_obj.
+ * config/i386/host-mingw32.c: New file.
+ * config/i386/x-mingw32: Add rule for host-mingw32.o.
+ * config/i386/winnt.c: (struct extern_list) Tag as GTY.
+ (extern_head): Likewise.
+ (struct export_list) Likewise.
+ (export_head): Likewise.
+ (i386_pe_record_external_function): Use ggc_alloc.
+ (i386_pe_record_exported_symbol): Likewise.
+ Include "gt-winnt.h" at end.
+ * doc/hostconfig.texi: Document
+ HOST_HOOKS_GT_PCH_ALLOC_GRANULARITY.
+
+2004-06-04 Bernardo Innocenti <bernie@develer.com>
+
+ * config/m68k/m68k.h: Remove comments copied over from tm.texi.
+ Rename 68000 and 68k to m68k for consistency in comments. Remove
+ trailing whitespace before EOLs and before TABs.
+ (MAX_CODE_ALIGN): Remove unused macro.
+ (CALL_USED_REGISTERS): Reformat and add comments.
+
+2004-06-04 Frank Ch. Eigler <fche@redhat.com>
+
+ * gcc.c (MFLIB_SPEC): Remove library references, to require users
+ to enumerate -lmudflap* and dependencies when linking.
+
+2004-06-04 Paolo Bonzini <bonzini@gnu.org>
+
+ PR target/15822
+ * dojump.c (do_jump): Fix uninitialized variable tcode1.
+
+2004-06-04 Jerry Quinn <jlquinn@optonline.net>
+
+ * Makefile.in (insn-conditions.o): Back out removal of reload.h.
+ * genconditions.c (write_header): Back out removal of reload.h.
+
+2004-06-04 Jan Hubicka <jh@suse.cz>
+
+ Re-apply hopefully fixed patch:
+ * i386.md (UNSPECV_EH_RETURN): Kill.
+ (eh_return): Use jump_insn.
+ (eh_return_si, eh_return_di): Change pattern to jump instruction.
+
+2004-06-04 Jeff Law <law@redhat.com>
+
+ * cfgrtl.c (try_redirect_by_replacing_jump): Fix return value.
+
+2004-06-04 Steven Bosscher <stevenb@suse.de>
+
+ * except.c (for_each_eh_region): New function.
+ * except.h (for_each_eh_region): Add a prototype for it.
+ * tree-cfg.c (update_eh_labels): New function, callback for
+ for_each_eh_region.
+ (label_for_bb): Make global static, unfortunately.
+ (cleanup_dead_labels): Also update label references for
+ exception regions.
+
+2004-06-03 Chris Demetriou <cgd@broadcom.com>
+
+ * config/mips/mips.c (struct irix_section_align_entry): Fix
+ GTY marker.
+
+2004-06-03 Geoffrey Keating <geoffk@apple.com>
+
+ * toplev.c (check_global_declarations): Don't ask for
+ DECL_ASSEMBLER_NAME unless the function really is declared
+ static and not defined.
+
+2004-06-03 Matt Austern <austern@apple.com>
+
+ PR c++/15428
+ * default.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): New name
+ for TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, with reversed sense.
+ * config/darwin.h (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Likewise.
+ * doc/tm.texi (TARGET_WEAK_NOT_IN_ARCHIVE_TOC): Rewrite
+ documentation to reflect the new macro name and to clarify its
+ meaning.
+
+2004-06-03 Steven Bosscher <stevenb@suse.de>
+
+ * rtl.def (VAR_LOCATION): Make RTX_EXTRA.
+
+2004-06-03 Andrew Pinski <pinskia@physics.uc.edu>
+
+ * config/darwin.c (machopic_indirect_data_reference): Copy
+ the SYMBOL_REF_DECL from the original RTX for the new
+ non-lazy pointer RTX.
+
+2004-06-03 Mark G. Adams <mark.g.adams@sympatico.ca>
+
+ * tree.h: Remove include of version.h
+ * c-cppbuiltin.c: Include version.h
+ * diagnostic.c: Include version.h
+ * dwarf2out.c: Include version.h
+ * toplev.c: Include version.h
+ * vmsdbgout.c: Include version.h
+ * Makefile.in: Remove dependency on version.h from TREE_H, and
+ add dependencies to required .o targets
+
+2004-06-03 Jerry Quinn <jlquinn@optonline.net>
+
+ * Makefile.in (RA_H, RESOURCE_H, SCHED_INT_H, CFGLAYOUT_H,
+ CFGLOOP_H, DF_H, DDG_H, TREE_SSA_LIVE_H): New.
+ (TARGET_H): Add insn-modes.h.
+ (tree-ssa.o, tree-cfg.o, tree-ssa-loop.o, toplev.o, passes.o,
+ loop.o, loop-doloop.o, unroll.o, cfgloop.o, cfgloopanal.o,
+ loop-iv.o, cfgloopmanip.o, loop-init.o, loop-unswitch.o,
+ loop-unroll.o, ddg.o, modulo-sched.o, predict.o,
+ cfglayout.o, ifcvt.o): Replace cfgloop.h with CFGLOOP_H.
+ (toplev.o, passes.o, cfghooks.o, cfgloopmanip.o, loop-init.o,
+ loop-unswitch.o, loop-unroll.o, ddg.o, modulo-sched.o,
+ bb-reorder.o, tracer.o, cfglayout.o): Replace cfglayout.h with
+ CFGLAYOUT_H.
+ (ra.o, ra-build.o, ra-colorize.o, ra-debug.o, ra-rewrite.o):
+ Replace ra.h with RA_H.
+ (resource.o, regrename.o, insn-conditions.o, insn-emit.o,
+ insn-recog.o): Replace resource.h with RESOURCE_H.
+ (ddg.o, modulo-sched.o, haifa-sched.o, sched-deps.o, sched-rgn.o,
+ sched-ebb.o, sched-vis.o, out_object_file): Replace sched-int.h
+ with SCHED_INT_H.
+ (web.o, lcm.o, df.o, ra.o, ra-build.o, ra-colorize.o, ra-debug.o,
+ ra-rewrite.o): Replace df.h with DF_H.
+ (ddg.o, modulo-sched.o): Replace ddf.h with DDG_H.
+ (tree-outof-ssa.o, tree-ssa-live.o, tree-ssa-copyrename.o):
+ Replace tree-ssa-live.h with TREE_SSA_LIVE_H.
+ (insn-conditions.o): Remove unused reload.h.
+ * cfglayout.h: Add include guard. Include basic-block.h.
+ * cfgloop.h: Add include guard. Include basic-block.h, rtl.h.
+ * ddg.h: Include sbitmap.h, basic-block.h, df.h.
+ * df.h: Add include guard. Include bitmap.h, sbitmap.h,
+ basic-block.h.
+ * genconditions.c: Remove reload.h.
+ * ra.h: Add include guard. Include bitmap.h, sbitmap.h,
+ hard-reg-set.h, insn-modes.h.
+ * resource.h: Add include guard. Include hard-reg-set.h.
+ * sched-int.h: Add include guard. Include insn-attr.h,
+ basic-block.h, rtl.h.
+ * target.h: Add include guard. Include insn-modes.h.
+ * tree-ssa-live.h: Include partition.h.
+
+2004-06-03 Daniel Berlin <dberlin@dberlin.org>
+ Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * tree-ssa-ccp.c (varying_ssa_edges): New worklist.
+ (add_var_to_ssa_edges_worklist): Add value argument.
+ Update callers.
+ Use new worklist.
+ (process_ssa_edge_worklist): New function.
+ (tree_ssa_ccp): Move worklist processing core to
+ process_ssa_edge_worklist, and just call that for the two worklists.
+
+2004-06-03 Steven Bosscher <stevenb@suse.de>
+
+ * basic-block.c (tail_recursion_label_list): Don't declare.
+ (CLEANUP_PRE_SIBCALL): Remove. Renumber the other CLEANUP_*
+ accordingly.
+ * cfgbuild.c (find_label_refs): Remove.
+ (find_basic_blocks_1): Don't handle CALL_PLACEHOLDER insns.
+ * cfgcleanup.c (tail_recursion_label_p): Remove.
+ (merge_blocks_move): Do not check for tail recursion.
+ (try_optimize_cfg): Likewise.
+ (cleanup_cfg): Never handle CLEANUP_PRE_SIBCALL.
+ * cfgrtl.c (tail_recursion_label_list): Remove.
+ * except.c (remove_unreachable_regions): Don't handle
+ CALL_PLACEHOLDER insns.
+ (convert_from_eh_region_ranges_1, can_throw_internal,
+ can_throw_external): Likewise.
+ * function.c (free_after_compilation): Don't clear
+ x_tail_recursion_label.
+ (fixup_var_refs_insns): Don't handle CALL_PLACEHOLDER insns.
+ (identify_blocks_1): Don't recurse for CALL_PLACEHOLDER insns.
+ (reorder_blocks_1): Likewise.
+ * function.h (struct function): Remove x_tail_recursion_label
+ member. Don't define tail_recursion_label.
+ * jump.c (mark_all_labels): Don't handle CALL_PLACEHOLDER insns.
+ * print-rtl.c (print_rtx): Likewise.
+ * rtl.def (CALL_PLACEHOLDER): Remove.
+ * rtl.h (sibcall_use_t): Remove enum.
+ (optimize_sibling_and_tail_recursive_calls,
+ replace_call_placeholder): Remove function prototypes.
+ * stmt.c (tail_recursion_args): Remove.
+ (optimize_tail_recursion): Remove.
+ (expand_return): Don't check for possible tail recursion.
+ * tree.h (optimize_tail_recursion): Remove prototype.
+
+2004-06-02 Jan Hubicka <jh@suse.cz>
+
+ * tree-cfg.c (tree_find_edge_insert_loc): Allow inserting before
+ return_stmt.
+
2004-06-02 Jason Merrill <jason@redhat.com>
* Makefile.in (TAGS): Don't mess with c-parse.[ch].