[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-phiopt.c (conditional_replacement): Use the correct
        type with the copy of the conditional.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/16954
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
        Prevent renaming if the aliasing sets of the type which the
        pointer points to are different.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17188
        * c-decl.c (diagnose_mismatched_decls): Check for duplicate
        declarations of enumerators.
        (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
        for redefinition.  Check for nested redefinition.
        (finish_struct): Don't check for nested redefinition.
        (start_enum): Check for nested redefinition.

2004-09-24  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
        only when necesssary.
        (combine_blocks): Combine loop header and exit block.
        
2004-09-24  Paolo Bonzini  <bonzini@gnu.org>

        * hooks.c (hook_tree_tree_bool_null): New.
        * hooks.h (hook_tree_tree_bool_null): Declare it.
        * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
        * targhooks.c (default_fold_builtin): Remove.
        * targhooks.h (default_fold_builtin): Remove.

2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/17625
        * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.

2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17624
        * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
        Reject if any of the operands occur in an abnormal PHI.

2004-09-24  Andreas Schwab  <schwab@suse.de>

        * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
        rules.

2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
        if the GNU assembler is used.
        (sparc-*-solaris2*): Likewise.
        * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
        (dbxout_function_end): Protect N_ENSYM with it.
        (dbxout_begin_prologue): Protect N_BNSYM with it.
        * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
        * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
        * config/sparc/sol2-gas.h: New file.

2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/17369
        * Makefile.in (@set_gcc_lib_path@): Added.

        * configure.ac: Include ../config/gcc-lib-path.m4. Use
        TL_AC_GNU_MAKE_GCC_LIB_PATH.
        * configure: Regenerated.

2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/6980
        * c-typeck.c (build_c_cast): Improve wording of
        -Wbad-function-cast diagnostic.

2004-09-23  Hans-Peter Nilsson  <hp@axis.com>

        PR target/17626
        * config/cris/cris.md (moverside, movemside): Rename variable
        "reg" to "otherop".  To generate canonical RTX, check that otherop
        isn't constant instead of checking that operand 1 is a register.

2004-09-23  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.

2004-09-23  Diego Novillo  <dnovillo@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        * tree-flow.h (find_new_referenced_vars): Add prototype.
        * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
        Move to...
        * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
        ... here.
        (mark_new_vars_to_rename): Walk through all operands.
        * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
        (execute_fold_all_builtins): Use it.
        (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.

2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>

        * gthr-tpf.h: New file.
        * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
        * gthr.h: Use gthr-tpf.h on TPF OS.

2004-09-23 Jeff Law  <law@redhat.com>

        * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
        than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
        (substitute_and_fold):  Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
        except invariants from SSA_NAME_VALUE.
        (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
        and SET_SSA_NAME_EQUIV.
        (restore_vars_to_original_value, record_const_or_copy): Likewise.
        (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
        (record_equality, cprop_into_successor_phis): Likewise.
        (record_equivalences_from_stmt, cprop_operand): Likewise.
        (lookup_avail_expr): Likewise.
        * tree-ssa-pre.c (fini_pre): Remove everything except invariants
        from SSA_NAME_VALUE.
        * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
        (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
        annotation from the VALUE_HANDLE field.

2004-09-21 Fariborz Jahanian <fjahanian@apple.com>

        PR c++/13989
        PR c++/9844
        * tree.c (reconstruct_complex_type): Remove extra "this".
        * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): 
        Add V4SFmode to case statement.

2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/16833
        * doc/extend.texi, doc/invoke.texi: Document interaction of
        -fno-builtin with format checks.  Note that built-in functions
        have effects beyond generating code that avoids calls to those
        functions.

2004-09-23  Frank Ch. Eigler <fche@redhat.com>

        PR tree-optimization/17533
        * dominance.c (verify_dominators): Tolerate even more incorrect
        dominance data during error message printing.
        * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
        and edges more correctly.
        
2004-09-23  Dorit Naishlos <dorit@il.ibm.com>

        * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
        New tree-codes.
        * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
        MISALIGNED_INDIRECT_REF.
        * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
        * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
        Likewise.
        * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
        (find_interesting_uses_address): Likewise.
        * fold-const.c (non_lvalue, operand_equal_p): Likewise.
        (build_fold_addr_expr_with_type): Likewise.
        * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
        * print-rtl.c (print_mem_expr): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
        * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
        * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
        Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
        * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
        (add_address_candidates, rewrite_address_base): Likewise.
        * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
        Likewise.
        * tree.c (staticp, build1_stat): Likewise.

        * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
        * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * expr.c (expand_expr_real_1): Likewise.

        * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
        optabs.
        (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
        for the new optabs.
        (expand_ternary_op): New function.
        * genopinit.c (optabs): Handle the new optabs.
        * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
        (init_optabs): Initialize vec_realign_load_optab.
        (expand_ternary_op): New functions.

        * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
        (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
        * target.h (struct vectorize): New member for struct gcc_target.
        (misaligned_mem_ok): New member for targetm.vectorize.
        (builtin_mask_for_load): Likewise.
        (builtin_mask_for_store): Likewise.
        * targethooks.c (default_vect_misaligned_mem_ok): New function.
        * targethooks.h (default_vect_misaligned_mem_ok): New function.

        * config/rs6000/altivec.md (build_vector_mask_for_load): New
        define_expand.
        (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
        (vec_realign_load_v16qi): New define_insn.
        * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
        (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
        * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
        (altivec_builtin_mask_for_store): New variables.
        (rs6000_builtin_mask_for_load): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
        (rs6000_builtin_mask_for_store): New function. Implements
        TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
        (rs6000_expand_builtin): Expand the target builtins
        builtin_mask_for_load and builtin_mask_for_store.
        (altivec_init_builtins): Initialize the new target builtins.
        * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
        Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.

        * tree-vectorizer.c (vect_create_data_ref): Renamed to
        vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
        (vect_create_addr_base_for_vector_ref): Additional argument (offset).
        (vectorizable_store): Call vect_create_data_ref_ptr with additional
        arguments, and create an indirect_ref with its return value data_ref.
        Check aligned_access_p.
        (vectorizable_load): Handle misaligned loads, using software-pipelined
        scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
        vec_realign_load_optab is supported, or using a scheme without
        software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
        misaligned_mem_ok is supported.

        (vect_finish_stmt_generation): Typo.
        (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
        (vect_analyze_data_refs_alignment): Don't fail vectorization in the
        presence of misaligned loads.
        (vect_analyze_data_ref_access): Add check for constant init.
        (vect_get_symbl_and_dr): Remove duplicate line.
        * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.

2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c: Fix a comment typo.

2004-09-23  Jan Hubicka  <jh@suse.cz>

        * profile.c (branch_prob): Do not verify flow info in the middle of the
        pass.

2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.h (update_single_exits_after_duplication): Declare.
        (loopify, split_loop_bb): Declaration changed.
        * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
        of rtx.
        (loopify): Added redirect_all_edges argument.
        (update_single_exits_after_duplication): Export.
        * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
        * tree-flow.h (tree_duplicate_loop_to_header_edge,
        tree_ssa_loop_version): Declare.
        * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
        set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
        lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
        lv_update_pending_stmts, tree_ssa_loop_version): New functions.

        * tree-ssa-loop-unswitch.c: New file.
        * Makefile.in (tree-ssa-loop-unswitch.o): Add.
        * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
        * tree-flow.h (tree_ssa_unswitch_loops): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
        * tree-pass.h (pass_unswitch): Declare.
        * tree-ssa-loop.c (tree_ssa_loop_unswitch,
        gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
        * doc/passes.texi: Documen tree level loop unswitching.

2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.

2004-09-22  Eric Christopher  <echristo@redhat.com>

        * builtins.c (simplify_builtin_va_start): Remove.
        (simplify_builtin): Ditto.
        (fold_builtin_strchr): Ditto.
        (simplify_builtin_*): Rename remainders to fold_builtin_*.
        (expand_builtin): Fix up for above changes.
        (fold_builtin_1): Add new folders. Change for above.
        (expand_builtin_va_start): Call fold_builtin_next_arg.
        * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
        * tree.h: Remove prototype for simplify_builtin.

2004-09-23  Jan Hubicka  <jh@suse.cz>

        PR debug/17389
        * dwarf2out.c (dwarf2out_finish): Deal with nested functions
        of fully inlined functions.
        * tree-inline.c (inline_forbidden_p_1): Nested functions can be
        inlined.

        * cfgexpand.c (add_reg_br_prob_note): New function.
        (expand_gimple_cond_expr): Use it.
        (tree_expand_cfg): No longer kill the profile.
        * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
        only if it is present.
        * passes.c (rest_of_handle_loop_optimize): Kill the profile.
        * predict.c (combine_predictions_for_insn): Set the probabilities
        based on REG_BR_PROB note if present.
        * predict.c (branch_prob): Profile is read only with
        flag_branch_probabilities.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Add in gettext's m4 includes.
        (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
        * configure.ac: Add in check for iconv.h
        * configure: Regenerate.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Update for rename of gettext-sister.m4.

2004-09-22  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/17587
        * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
        (insert_aux): Instead of here.

2004-09-22  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16721
        * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
        * tree-ssa-alias.c (create_memory_tag): Move setting of
        TREE_THIS_VOLATILE ...
        (get_tmt_for): ... here.

2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (cmove splitter): Fix formatting.
        (conditional_trap expander): Reject inappropriate CCmodes.
        (conditional trap insn): Use V9 syntax if possible.

2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/16566
        * c-typeck.c (build_component_ref): Don't special-case
        COMPOUND_EXPR.

2004-09-22  Frank Ch. Eigler  <fche@redhat.com>

        * dominance.c (verify_dominators): Don't SEGV if recount_dominator
        returns NULL.

2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
        TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
        TRUTH_XOR_EXPR): Mention the restriction on types.

2004-09-22  Matt Austern  <austern@apple.com>

        * config/darwin.c (darwin_make_decl_one_only):
        Allow coalesced symbol to appear in static archive's table of contents

2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/17512
        * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
        special cases.

2004-09-22  David Edelsohn  <edelsohn@gnu.org>

        * dbxout.c (get_lang_number): Do not define if
        DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.

2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>

        PR target/15583
        * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
        builtin_define ("__USE_INIT_FINI__").

2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>

        * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
        * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
        * config/s390/s390.h (TARGET_TPF): New macro.
        * config/s390/s390.md ("eh_return"): New expander.
        * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
        unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
        (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
        * config/s390/tpf.h (TARGET_TPF): Define to 1.
        (STACK_POINTER_OFFSET): Increase to 448.
        (TARGET_DEFAULT): Set -mtpf-trace on as default.
        (TPF_LOC_DIFF_OFFSET): New macro.
        (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
        encoding.
        (__isPATrange): Add prototype.
        (MD_FALLBACK_FRAME_STATE_FOR): Define.
        * config/s390/tpf-eh.c: New file.

2004-09-22  Diego Novillo  <dnovillo@redhat.com>

        * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
        operands in an integer comparison.
        * tree-cfg.c (find_taken_edge): Call fold() to determine
        whether the predicate is known.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

        * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
        * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
        Create build and doc directories along with the language directories.
        Don't create doc directory separately.
        * configure: Regenerate.
        * Makefile.in: Create all object and executables files built
        with the build compiler in a build/ directory.
        (genobjnames): Add missing build objects.
        (STAGESTUFF): Don't stage the gen* programs.
        (ggc-none.o): Define dependencies for the target compiler.
        (build-print-rtl.o): Rename to build/print-rtl.o.
        (build-errors.o): Rename to build/errors.o.
        (build-varray.o): Rename to build/varray.o.
        (maintainerclean): Delete the contents of the build directory.
        ($(genobjs): %.o): Explicitly use -o.
        (build/insn-conditions.o): Delete specfic rule to use generic rule.
        (build/gengtype-lex.o): Likewise.
        (build/gengtype-yacc.o): Likewise.
        (build/gcov-iov.o): Likewise.

2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_space): Return true if there _is_ space.
        (VEC_reserve): Adjust.

2004-09-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
        use FPRs for scalar, complex and vector types only.

2004-09-21 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (opt_stats): Move so that it lives just after
        the opt_stats_d structure.
        (vrp_data): Change from a varray into a hash table.
        (vrp_hash_elt): New structure for elements in the vrp hash table.
        (vrp_hash, vrp_eq):New functions for hashing and testing equality
        in the vrp hash table.
        (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
        initialization slightly to make it easier to read.  No longer need
        to grow/clear the varray.  Instead empty and delete the hash table.
        (dom_opt_finalize_block): Update due to change of VRP_DATA from
        a varray to a hash table.
        (simplify_cond_and_loop_avail_expr, record_range): Similarly.

        * tree-ssa-ccp.c (get_default_value): If we have a constant
        value recorded for an SSA_NAME, then use that constant as
        the initial lattice value.
        (substitute_and_fold): Transfer equivalences discovered into
        SSA_NAME_EQUIV.

        * tree.h (SSA_NAME_EQUIV): Add comments.
        (SET_SSA_NAME_EQUIV): Similarly.

2004-09-21  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.

        * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.

2004-09-21  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
        (finish_decl): Likewise.

2004-09-21  Devang Patel  <dpatel@apple.com>

        * tree.def (VEC_COND_EXPR): New tree node.
        * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.

2004-09-21  Stan Shebs  <shebs@apple.com>

        * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
        * config/rs6000/darwin-world.asm: Likewise.

2004-09-21  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa.c (verify_def): Use print_generic_stmt,
        not debug_generic_stmt.
        (verify_use): Ditto.
        (verify_phi_args): Ditto.
        (verify_ssa): Ditto.

2004-09-21  Paul Brook  <paul@codesourcery.com>

        * varasm.c (default_assemble_integer): Return false for values wider
        than the target word size.  Works around GAS bug.

2004-09-21  Zack Weinberg  <zack@codesourcery.com>

        * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
        gets value 0.
        * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
        if it has value 0.

2004-09-21  Daniel Berlin <dberlin@dberlin.org>

        * c-typeck.c (build_function_call): Give name of object
        we are attempting to call in error message.
        * c-objc-common.c (c_tree_printer): Call pp_expression,
        not return false, for 'E' case.

2004-09-21  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/17482
        * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
        load_killed_in_block_p): Clarify comments.
        (record_last_reg_set_info): Make static inline.
        (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
        (record_opr_changes): New function to replace the above.
        (compute_hash_table): Clarify comments.  Use record_opr_changes.
        (reg_set_between_after_reload_p): Clean up.
        (reg_used_between_after_reload_p): Likewise.
        (eliminate_partially_redundant_load): Clarify comments.

2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/17266
        * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.

2004-09-21  Uros Bizjak  <uros@kss-loka.si>

        PR rtl-optimization/14851
        * rtlanal.c (commutative_operand_precedence): Calculate
        precedence of stripped constant.

2004-09-20 Jeff Law  <law@redhat.com>
           Jan Hubicka  <jh@suse.cz>

        * tree-ssanames.c (make_ssa_name): No longer need to clear, then
        initialize key elements here.
        (release_ssa_name): Zero the released SSA_NAME here.
        * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
        (struct tree_ssa_name): Add new "equiv" field.
        * tree-ssa-dom.c (const_and_copies): Kill the global varray.
        (tree_ssa_dominator_optimize): No longer allocate, resize or
        clear CONST_AND_COPIES.
        (get_value_for, set_value_for): Kill.
        (thread_across_edge): Get/set the equivalency using
        SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
        (restore_vars_to_original_value): Likewise.
        (record_equivalences_from_phis): Likewise.
        (record_dominating_conditions): Likewise.
        (record_const_or_copy, record_equality): Likewise.
        (lookup_avail_expr): Likewise.
        (record_equivalences_from_stmt, cprop_operand): Likewise.
        (cprop_into_successor_phis): No longer need to pass around
        CONST_AND_COPIES.  Callers updated. Get equivalences via
        SSA_NAME_EQUIV.
        (cprop_into_phis): Likewise.

2004-09-20  Matt Austern <austern@apple.com>
            Zack Weinberg  <zack@codesourcery.com>

        * c-common.c (fix_string_type): Build the unqualified array
        type unconditionally, then use c_build_qualified_type to get
        the proper const-qualified variant, and set its
        TYPE_MAIN_VARIANT to refer to the unqualified type.
        * c-lex.c (c_lex_return_raw_string): New global.
        (c_lex_with_flags): Honor it.
        * c-pragma.h: Declare it.

2004-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).

2004-09-21  Jan Hubicka  <jh@suse.cz>

        PR middle-end/17126
        * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
        (tree_rest_of_compilation): Cleanup.

2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_select_rtx_section): Remove.
        (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.

2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
        note to pretend a direct save from the original register when an
        intermediate register is used for the save.

2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * tsystem.h (alloca): Provide a default definition.

        Revert:
        2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
            * unwind-dw2.c: Call __builtin_alloca, not alloca.

2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17558
        * tree-ssa-copy.c (may_propagate_copy): Only allow if the
        aliasing sets are the same rather than just conflicting.

2004-09-20  Jan Hubicka  <jh@suse.cz>

        PR middle-end/16460

        * cgraph.c (cgraph_unnest_node): New function.
        (c_finalize): Rename to ....
        (c_warn_unused_result_recursivly): ... this one; do only the warning
        (finish_function): Finalize the toplevel function; do not lower nested tree.
        * cgraph.h (cgraph_unnest_node): Declare.
        * cgraphunit.c (decide_is_function_needed): Do not use cgraph
        nestedness datastructure.
        * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
        * reload1.c (set_label_offsets): Fix call of set_label_offsets.
        * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.

2004-09-20  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
        from some_small_symbolic_operand_1; export.
        (some_small_symbolic_operand): Remove.
        * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
        extra C check.
        * config/alpha/predicates.md (some_small_symbolic_operand): New.

2004-09-20  Jan Hubicka  <jh@suse.cz>

        * predict.c (return_prediction): New function.
        (apply_return_prediction): Likewise.
        (tree_bb_level_predictions): Likewise.
        (tree_estimate_probability): Add noreturn exit edges; call
        bb_level_predictions; fix logic of return heuristics.
        (predict_paths_leading_to):  Rescuesce from old CVS version of
        process_note_prediction function.
        * predict.def (PRED_TREE_EARLY_RETURN): New predictor.

2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_frame_info): Added alignment statement for
        floating point register area on stack.

2004-09-20  Jakub Jelinek  <jakub@redhat.com>

        * predict.c (expr_expected_value): Use *_CLASS_P macros.

2004-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
        generating useless garbage.

2004-09-20  Paolo Bonzini  <bonzini@gnu.org>

        * builtins.c (fold_builtin): Call the new omonymous
        target hook for machine-dependent built-ins.
        * target-def.h (TARGET_FOLD_BUILTIN): New.
        * target.h (struct gcc_target): Add the fold_builtin hook.
        * targhooks.c (default_fold_builtin): New.
        * targhooks.h (default_fold_builtin): Declare it.

2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>

        * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
        comment typos.

2004-09-20  Richard Sandiford  <rsandifo@redhat.com>

        PR target/17565
        * config/mips/mips.md (define_asm_attributes): Set can_delay to no.

2004-09-20  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_probability): Remove unnecesary code.

2004-09-19  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
        (STMT_VINFO_VECT_DR_BASE): Declare.
        (VECT_SMODULO): Declare.
        * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
        (vect_compute_array_base_alignment): New function.
        (vect_analyze_data_ref_access): Check array indices. Remove one
        dimensional arrays restriction.
        (vect_get_ptr_offset): New function.
        (vect_get_symbl_and_dr): New function.
        (vect_get_base_and_bit_offset): Support additional data refs. Renamed
        (former name vect_get_base_decl_and_bit_offset).
        (vect_create_index_for_array_ref): Removed.
        (vect_create_index_for_vector_ref): New function.
        (vect_create_addr_base_for_vector_ref): New function.
        (vect_create_data_ref): Handle additional data refs. Call
        vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
        (vect_compute_data_ref_alignment): Support the changes. Call
        vect_get_base_and_bit_offset.
        (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
        data refs. Store vect_dr_base.
        (vect_analyze_data_ref_accesses): Support nonconstant init.
        (new_stmt_vec_info): Initialize vect_dr_base field.
        (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
        (get_vectype_for_scalar_type): Check for BLKmode.
        * tree-chrec.h (initial_condition_in_loop_num): Declare.
        * tree-chrec.c (initial_condition_in_loop_num): New function.
        (chrec_component_in_loop_num): New function.
        (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
        * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
        to be pointer to varray_type.

2004-09-19  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (update_bb_profile_after_threading): Declare.
        * cfg.c (update_bb_profile_after_threading): Break out from ...
        * cfgcleanup.c (try_forward_edges): ... here; use it.
        * tree-ssa-dom.c (thread_across_edge): Use it.
        * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
        profile of the new BB.

2004-09-19  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (insert_into_set): Don't put
        is_gimple_min_invariant values into the set.

2004-09-19  Andreas Jaeger  <aj@suse.de>

        * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
        prototype.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.h: Preserve the original spelling in a
        quote.

2004-09-18 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
        global varrays to replace the block local varrays.
        (struct dom_walk_block_data): Remove, no longer used.
        (get_eq_expr_value): No longer need to pass around pointers to local
        varrays.  Callers updated.  Unused markers added to unused parameters.
        (record_range, record_equivalences_from_stmt): Likewise.
        (record_equivalences_from_incoming_edge): Likewise.
        (record_var_is_nonzero): Likewise.  Update now that we have a
        single global varray of SSA_NAMEs that need restoring.
        (dom_opt_initialize_block_local_data): Kill, no longer used.
        (tree_ssa_dominator_optimize): Initialize new global varrays.
        Update callbacks in dominator walker structure.
        (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
        VRP_VARIABLES_STACK.
        (restore_nonzero_vars_to_original_value): Update now that we have
        a single global varray of SSA_NAMEs that need restoring.
        (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
        Remove unused variables.
        (optimize_stmt): Remove unused variable.

2004-09-18  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (thread_jumps):  Fix updating of the profile.

        * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
        verify_cgraph call.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
        gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
        optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
        tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
        tree-ssa-operands.c, tree-ssa-phiopt.c,
        tree-ssa-threadupdate.c: Fix comment typos.

2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
        config/arm/README-interworking, config/arm/arm-cores.def,
        config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
        config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
        config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
        config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
        config/frv/frv.md, config/i386/winnt.c,
        config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
        config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
        config/m68hc11/m68hc11.md, config/m68k/m68k.c,
        config/mcore/mcore.c, config/mips/mips.h,
        config/mn10300/mn10300.md, config/pa/pa.c,
        config/pa/pa64-regs.h, config/pdp11/pdp11.c,
        config/rs6000/rs6000.c, config/sh/symbian.c,
        config/sparc/sparc.h: Fix comment typos.  Follow spelling
        conventions.

2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/17424
        * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.

2004-09-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
        remove TREE_ADDRESSABLE from RESULT_DECL.

2004-09-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.

2004-09-18  Jan Hubicka  <jh@suse.cz>

        * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
        NULL.
        * tree-ssa-alias.c (init_alias_info): Likewise.
        * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
        (verify_ssa): Likewise.
        * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.

2004-09-18  Jan Hubicka  <jh@suse.cz>

        * i386.c (legitimize_pic_address): Fix splitting of PLUS with
        huge offset.

2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
        * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
        DW_EH_PE_sdata* for data.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.

2004-09-17  Geoffrey Keating  <geoffk@apple.com>

        * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
        shared anyway.

        PR pch/13361
        * c-typeck.c (constructor_asmspec): Delete.
        (struct initializer_stack): Delete field 'asmspec'.
        (start_init): Delete saving of asmspec.
        (finish_init): Don't update constructor_asmspec.
        * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
        * stmt.c (expand_asm): Duplicate strings from tree.
        (expand_asm_operands): Likewise.
        * tree.c (tree_size): Update computation of size of STRING_CST.
        (make_node): Don't make STRING_CST nodes.
        (build_string): Allocate string with tree node.
        (tree_code_size): Clean up assertions, don't allow requests
        for "the size of a STRING_CST".
        * tree.def (STRING_CST): Update comment.
        * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
        (tree_string): Place contents of string in tree node.
        * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
        from tree.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
        * objc/Make-lang.in (objc/objc-parse.o): Likewise.

2004-09-17  Jones Desougi  <jones@ingate.com>

        * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
        * configure, config.in: Regenerate.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

        * tree.c, tree.h (tree_class_strings): Make array const.
        Reindent per coding convention.  Move asterisk to proper place
        per coding convention.

2004-09-18  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
        (tree-vectorizer.o): Likewise.
        (targhooks.o): Likewise.

2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
            Zack Weinberg  <zack@codesourcery.com>

        * alias.c (find_base_decl): Remove unreachable case '3' block.
        * expr.c (safe_from_p): Abort if passed a type.
        * tree-gimple.c (recalculate_side_effects): Abort if passed
        anything other than an expression.
        * tree-ssa-pre.c (phi_translate): Return expr immediately if
        is_gimple_min_invariant is true for it.  Reorder cases for clarity.
        Abort on un-handled tree classes.
        (valid_in_set): Likewise.
        * tree.c (tree_code_class_strings): New static data.

        * tree.h (enum tree_code_class): New.
        (tree_code_class_strings): Declare.
        (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
        (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
        (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
        (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
        (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.

        * tree.def, c-common.def, objc/objc-tree.def: Use
        tree_code_class enumeration constants instead of code letters.

        * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
        * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
        * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
        * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
        * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
        * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
        * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
        * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
        * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
        * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
        * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
        * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
        * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
        Update to match.

        * LANGUAGES: Add note about change.

2004-09-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17319
        * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
        examine pointers on the LHS of an assignment.
        (collect_points_to_info_r): Handle RETURN_EXPR.

2004-09-17 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (const_and_copies_stack): New.
        (dom_walk_block_data): Remove const_and_copies field.
        (record_const_or_copy): No longer need to pass in varray_type *.
        Use CONST_AND_COPIES_STACK rather than passed in block local stack.
        Callers updated.
        (record_equality): Similarly.
        (restore_vars_to_original_value): Similarly.  Revamp to use new
        single global stack rather than per-block stacks.
        (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
        (thread_across_edge): Remove now unused parameters.
        (dom_opt_initialize_block_local_data): No longer test the block
        local CONST_AND_COPIES.
        (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.

2004-09-17  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/17509
        * tree-optimize.c (update_inlined_to_pointers): New function.
        (tree_rest_of_compilation): Use it.

2004-09-17  Devang Patel  <dpatel@apple.com>

        * dbxout.c (get_lang_number): New.
        (dbxout_init): Include lang number in N_SO  stab.
        * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
        N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.

2004-09-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17273
        * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
        replacement is a constant.

2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (enum c_typespec_keyword): New.
        (struct c_declspecs): Adjust description of "type".  Remove
        specbits, explicit_int_p and explicit_char_p.  Rename
        typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
        short_p, signed_p, unsigned_p and complex_p.
        (finish_declspecs): New.
        * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
        typename): Call finish_declspecs.
        * c-decl.c (finish_declspecs): New.
        (declspecs_add_type): Check for combinations which cannot occur in
        valid specifier lists.  Update comments.
        (shadow_tag_warned): Remove checks done in finish_declspecs.
        Don't report useless type name if type defaulted to int.
        (grokdeclarator): Remove checks and actions done in
        finish_declspecs.  Don't allow for type being NULL.  Update for
        datastructures changes.  Initialize decl_attr.
        (build_null_declspecs, quals_from_declspecs): Update for
        datastructures changes.

2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>

        * doc/extend.texi: Fix duplicated word.

2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>

        * doc/invoke.texi: Remove stray explanation on
        -freduce-all-givs and -fmove-all-movables.

2004-09-17  James Morrison  <phython@gcc.gnu.org>

        * doc/cfg.texi: Use @smallexample.
        * doc/md.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/extend.texi: Likewise.  Use @r{} in comments.
        * doc/trouble.texi: Use @r{} in comments.

2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * configure.ac (gcc_cv_gld_version): Handle whitespace before
        "VERSION=".
        * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
        * configure: Regenerate.

2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
        (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
        * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
        * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
        slashes in substitutions.
        (MULTILIB_DIRNAMES): Remove defunct removal of /media32.

2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
        gimplify.c, lambda-code.c, optabs.c, predict.c,
        tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
        tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
        conventions.

2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
        doc/extend.texi, doc/install.texi, doc/invoke.texi,
        doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
        doc/trouble.texi: Use @option around options.

2004-09-17  Richard Sandiford  <rsandifo@redhat.com>

        * Makefile.in (gen-protos.o): Depend on errors.h.

2004-09-17  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/17513
        * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
        for successors of the entry block.

2004-09-17  Uros Bizjak  <uros@kss-loka.si>

        PR rtl-optimization/15187
        * ifcvt.c (noce_try_cmove_arith): Exit early if total
        insn_rtx_cost of both branches > BRANCH_COST

2004-09-16  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17528
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
        erase the may-alias set for a tag when merging it with
        another.

2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (call): Extend 32-bit addresses to DImode
        for 32-bit TARGET_SHMEDIA.
        (call_value): Likewise.

2004-09-16  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
        test apply only to TREE_STATIC and DECL_EXTERNAL.

2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
        * basic-block.h (get_dominated_by_region): Declare.
        * dominance.c (get_dominated_by_region): New function.
        * tree-cfg.c: Include cfglayout.h.
        (tree_duplicate_bb): Duplicate also phi nodes.
        (struct ssa_name_map_entry): New type.
        (add_phi_args_after_copy_bb, add_phi_args_after_copy,
        ssa_name_map_entry_hash, ssa_name_map_entry_eq,
        allocate_ssa_names, rewrite_to_new_ssa_names_def,
        rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
        rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
        * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
        add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
        rewrite_to_new_ssa_names, allocate_ssa_names,
        rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
        * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
        (copy_loop_headers): Use tree_duplicate_sese_region.

2004-09-16  Frank Ch. Eigler  <fche@redhat.com>

        * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.

2004-09-16 Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (block_defs_stack): New toplevel varray.
        (rewrite_block_data): Remove, no longer used.
        (rewrite_initialize_block_local_data): Remove, no longer used.
        (rewrite_initialize_block): Mark parameters as unused as needed.
        Change references to the block local block_defs to be block_defs_stack.
        Push a marker onto the block_defs_stack.
        (ssa_rewrite_initialize_block): Similarly.
        (rewrite_stmt, ssa_rewrite_stmt): Similarly.
        (ssa_register_new_def): No longer needs varray argument.  Use
        block_defs_stack instead.  No longer handle possibly null block_defs
        varray.  Reverse order of items we push on the stack to make it
        easier to identify our marker.
        (register_new_def): No longer handle possibly null block_defs
        varray.
        (rewrite_finalize_block): Revamp to look for markers in the global
        block_defs_stack varray rather than wiping a block local varray.
        Mark arguments as unused as needed.
        (ssa_rewrite_finalize_block): Similarly.
        (rewrite_into_ssa): Update initialization of dom walker structure
        to reflect that we don't need block local data anymore.  Initialize
        the block_defs_stack varray.
        (rewrite_ssa_into_ssa): Similarly.
        * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
        (struct dom_walk_data): Kill block_defs field.
        (tree_ssa_dominator_optimize): Initialize block_defs_stack.
        (thread_across_edge): Use the global block_defs_stack instead of
        the old block_defs varray.
        (dom_opt_initialize_block_local_data): Update now that we don't have
        block_defs field to check anymore.
        (dom_opt_initialize_block): Push a marker onto block_defs_stack.
        (restore_currdefs_to_original_value): Use the new block_defs_stack
        instead of a block local varray.
        (dom_opt_finalize_block): Similarly.
        (record_equivalencs_from_phis): Similarly.
        (optimize_stmt, register_definitions_for_stmt): Similarly.

2004-09-16  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/17517
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce same-root variables without checking for abnormal PHI usage.

2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

        * cfgloop.h (duplicate_loop):  Add prototype.
        * cfgloopmanip.c (duplicate_loop): Make non-static.
        * lambda-code.c (perfect_nestify): Factor out test whether
        we can handle this loop into separate function.
        Call it.
        (can_convert_to_perfect_nest): New function.
        (replace_uses_of_x_with_y): Add modify_stmt call.
        * tree-loop-linear.c (linear_transform_loops): Call
        rewrite_into_loop_closed_ssa and free_df.

2004-09-16  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
        loop invariant as well.
        (perfect_nestify): new function.
        (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
        upper bounds, and steps.
        Set outerinductionvar properly.
        (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
        parameters.
        Return NULL if we need a perfect loop and can't make one.
        (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
        (not_interesting_stmt): New function.
        (phi_loop_edge_uses_def): Ditto.
        (stmt_uses_phi_result): Ditto.
        (stmt_is_bumper_for_loop): Ditto.
        (perfect_nest_p): Ditto.
        (nestify_update_pending_stmts): Ditto.
        (replace_uses_of_x_with_y): Ditto.
        (stmt_uses_op): Ditto.
        (perfect_nestify): Ditto.
        * lambda-mat.c (lambda_matrix_id_p): New function.
        * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
        * lambda.h: Update prototypes.
        * tree-loop-linear (linear_transform_loop): Use new
        perfect_nest_p. Detect and ignore identity transform.
        * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.

2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-loop-linear.c (gather_interchange_stats): Add more comments.
        Gather also strides of accessed data.  Pass in the data references
        array.
        (try_interchange_loops): Add a new heuristic for handling the temporal
        locality.  Pass in the data references array.
        (linear_transform_loops): Pass the data references array to
        try_interchange_loops.

2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Fix typos.  Follow spelling conventions.

2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/c-tree.texi (Classes): Remove index entries for
        TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.

2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * fold-const.c (fold): Fold difference of addresses.
        (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
        get_inner_reference.
        * tree-ssa-loop-ivopts.c (peel_address): Removed.
        (ptr_difference_const): Moved to fold-const.c.
        (split_address_cost): Use get_inner_reference instead of peel_address.
        (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
        * tree.h (ptr_difference_const): Export.

        * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
        variable type to the dump.  Fix indentation.
        (idx_find_step): Handle nonconstant array_ref_element_size and
        array_ref_low_bound.
        (idx_record_use): Handle array_ref_element_size and
        array_ref_low_bound.
        (find_interesting_uses_stmt): Handle memory = nontrivial_expression
        statements correctly.
        (get_computation_at, iv_value): Do not unshare expressions here.
        (rewrite_use_outer): Unshare the expression before it is emitted
        to code.
        * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
        Moved to tree.c.
        * tree.c (unsigned_type_for, signed_type_for): Moved from
        tree-ssa-loop-niter.c.  Use langhooks.
        * tree.h (signed_type_for): Export.

2004-09-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
        prototype.

2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/11572
        * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
        Add two parameters to extra_includes.
        (C_INCPATH_INIT): Remove.
        * c-incpath.c (register_include_chains): Call extra_pre_includes
        before adding the standard include directory.
        Update call to extra_includes.
        (!defined TARGET_EXTRA_INCLUDES): Update
        hook_void_charptr_charptr_int and add !define
        TARGET_EXTRA_PRE_INCLUDES.
        (!define TARGET_EXTRA_INCLUDES): Define as
        hook_void_charptr_charptr_int.
        (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
        (target_c_incpath): Always declare.
        * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
        empty function.
        (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
        * config/darwin.h: (darwin_register_frameworks): Update for
        the two new parameters.
        (darwin_register_objc_includes): Add prototype.
        (TARGET_EXTRA_PRE_INCLUDES): Define.
        * config/darwin-c.c (darwin_register_objc_includes): New function.
        (darwin_register_frameworks): Update for the two new parameters.
        (target_c_incpath): Remove.
        * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
        the compile line.
        * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
        parameters.
        (TARGET_EXTRA_PRE_INCLUDES): Document.

        * gcc.c (spec_function): Add replace-outfile.
        (replace_outfile_spec_function): New function.
        * config/darwin.h (LINK_SPEC): Add replace
        -lobjc with -lobjc-gnu if -fgnu-runtime is
        supplied.
        * invoke.texi (replace-outfile): Document.

2004-09-13  Jan Hubicka  <jh@suse.cz>

        * predict.c (expr_expected_value, strip_builtin_expect): New function.
        (tree_predict_by_opcode): Use it.
        (tree_estimate_probability): Add, for now disabled,
        strip_builtin_expect call.

2004-09-15  James E Wilson  <wilson@specifixinc.com>

        PR target/17455
        * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
        if current_function_decl is a sibcall.

2004-09-15  Mark Mitchell  <mark@codesourcery.com>

        * varasm.c (default_function_rdodata_section): Make sure to pass
        along a decl for a link-once section.

2004-09-15  Richard Henderson  <rth@redhat.com>

        * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
        warning with code disable.  Fix formatting.

2004-09-15  Steven Bosscher  <stevenb@suse.de>

        * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
        * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
        after propagating into an ADDR_EXPR.

2004-09-15  Andrew Pinski  <apinski@apple.com>

        PR rtl-opt/17427
        * gcse.c (process_insert_insn): insn_invalid_p has side effects.
        Move it out of gcc_assert.

2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>

        * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
        except.c, fold-const.c, function.c, langhooks.c, params.c,
        reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
        tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
        for quoting in diagnostics going through pretty-print.c.  Use ''
        for quoting in other diagnostic text.
        * langhooks.c: Include intl.h.  Mark text locating diagnostics for
        translation.
        * Makefile.in (langhooks.o): Update dependencies.
        * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
        formats.

2004-09-15  Mark Mitchell  <mark@codesourcery.com>

        * configure.ac: Check for COMDAT support.  Robustify check for
        SHF_MERGE support.
        * configure: Regenerated.
        * config.in: Likewise.
        * langhooks-def.h (lhd_comdat_group): New function.
        (LANG_HOOKS_COMDAT_GROUP): New macro.
        (LANG_HOOKS_DECLS): Use it.
        * langhooks.c (lhd_comdat_group): Define.
        * langhooks.h (lang_hooks_for_decls): Add comdat_group.
        * output.h (named_section_flags): Make it a macro.
        (named_section_real): New function.
        (default_no_named_section): Add decl parameter.
        (default_elf_asm_named_section): Likewise.
        (default_coff_asm_named_section): Likewise.
        (default_pe_asm_named_section): Likewise.
        * target.h (gcc_target): Adjust type of named_section.
        * varasm.c (named_section_flags): Rename to named_section_real.
        Add decl parameter.
        (default_no_named_section): Add decl parameter.
        (default_elf_asm_named_section): Use COMDAT, if available.  Deal
        with the case that ASM_COMMENT_START is "@".
        (default_coff_asm_named_section): Add decl parameter.
        (default_pe_asm_named_section): Likewise.
        * config/alpha/alpha.c (vms_asm_named_section): Add decl
        parameter.
        (unicosmk_asm_named_section): Likewise.
        * config/arm/arm.c (arm_elf_asm_named_section): Remove.
        * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
        * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
        * config/cris/cris-protos.h (cris_target_asm_named_section):
        Likewise.
        * config/cris/cris.c (cris_target_asm_named_section):
        Likewise.
        * config/darwin/darwin-protos.h (darwin_asm_named_section):
        Likewise.
        * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
        * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
        * config/i386/i386-protos.h (i386_pe_asm_named_section):
        Likewise.
        * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
        * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
        * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
        * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
        Likewise.
        * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
        * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
        * cp/cp-tree.h (cxx_comdat_group): Declare.
        * cp/decl.c (cxx_comdat_group): New function.

2004-09-15  Jan Hubicka  <jh@suse.cz>

        * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
        * tree-tailcall.c (eliminate_tail_call): Release SSA name.

        * tree-cfg.c (remove_bb): Release SSA defs.

2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi: Follow spelling conventions.

2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c: Fix comment typos.

2004-09-15  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
        include ccr.
        (ppc_fallback_frame_state): Save location of CR.

2004-09-15  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (string_constant): Handle also read-only variables
        initialized to string literals.

        * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
        into memcpy (x, y, 1) if memcpy can be expanded inline.

2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/17468
        * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
        definition inside a block precede uses.
        * tree-tailcall.c (adjust_return_value): Emit statements in the
        correct order.

2004-09-15  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.

2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2*): Properly format warning.

2004-09-14 Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (avail_exprs_stack): New global varray.
        (struct dom_walk_block_data): Remove avail_exprs member.
        (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
        (lookup_avail_expr): No longer need to pass in address of
        the block local available exprs stack.  All callers changed.
        (simplify_cond_and_lookup_avail_expr): Similarly.
        (simplify_switch_and_lookup_avail_expr): Similarly.
        (get_eq_expr_value, record_cond): Likewise.
        (record_dominating_conditions): Likewise.
        (update_rhs_and_lookup_avail_expr): Likewise.
        (record_equivalences_from_stmt): Likewise.
        (dom_opt_initialize_block_local_data): No longer test state of
        block local avail_exprs.
        (dom_opt_initialize_block): Mark unwind point in the global
        avail_expr stack.
        (remove_expressions_from_table): Update to unwind to the
        most recent unwind marker in the global avail_expr stack.
        All callers changed.
        (dom_opt_finalize_block): Mark unwind point in the global
        avail_expr stack as needed.
        (record_cond): Push elements into the global avail_exprs stack.

        * tree-dfa.c (free_df_for_stmt): No longer static.
        (free_df): Update comments.
        * tree-flow.h (free_df_for_stmt): Prototype.
        * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
        call release_defs.

2004-09-14  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/17252
        * tree-ssa-alias.c (may_alias_p): Don't assume that a
        pointer may not point to itself when using relaxed
        aliasing rules.

2004-09-14  Richard Henderson  <rth@redhat.com>

        PR middle-end/17397
        * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
        while folding <ADDR_EXPR <INDIRECT_REF X>>.

2004-09-14  Andrew Pinski  <apinski@apple.com>

        * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
        sets of the pointers but the aliasing sets of what they point to.

2004-09-14  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/9771
        * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
        conditional compilation in init_reg_sets_1.
        (init_reg_sets_1): Let global_regs[i] take priority over the frame
        (but not stack) pointer exceptions to regs_invalidated_by_call.
        (globalize_reg): Globalizing a fixed register may need to update
        regs_invalidated_by_call.

2004-09-14  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/15262
        * tree-dfa.c (dump_variable): Also print the type of the
        variable.
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
        memory tags are of conflicting alias sets but have no aliased
        symbols in common, add one tag to the alias set of the other.
        (setup_pointers_and_addressables): Remove hack to deal with
        programs with no aliased symbols.
        (may_alias_p): Don't special case aggregate types.

2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15498
        * doc/invoke.texi (Environment Variables): Correct example locale.

2004-09-14  Jan Hubicka  <jh@suse.cz>

        * cfg.c (expunge_block): Revert previous change adding ggc_free call.

2004-09-14  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc: Do not build a shared libgcc for arm-none-eabi.

2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
        restrict_p.
        (struct c_declarator): Change u.array.quals and pointer_quals to
        int.  Add u.array.attrs.
        (quals_from_declspecs): New.
        * c-decl.c (quals_from_declspecs): New.
        (shadow_tag_warned): Give more specific message for useless type
        qualifiers.
        (build_array_declarator, set_array_declarator_inner,
        grokdeclarator, make_pointer_declarator, build_null_declspecs,
        declspecs_add_qual): Update for changed structures.

2004-09-14  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
        to a global varray.
        (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
        (dom_opt_initialize_block_local_data): No longer test state
        of stmts_to_rescan.
        (dom_opt_finalize_block): Update due to change in scope of
        stmts_to_rescan.
        (optimize_stmt): Similarly.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

        * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
        lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
        comment typos.  Follow spelling conventions.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
        config/i386/predicates.md, config/sparc/sparc.c: Follow
        spelling conventions.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
            Steven Bosscher  <stevenb@suse.de>

        * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
        * basic-block.h (struct reorder_block_def): Add copy_number field.
        * cfgloop.h (biv_p): Declare.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
        * common.opt (fsplit-ivs-in-unroller): New flag.
        * loop-iv.c (biv_p): New function.
        * loop-unroll.c: Include hashtab.h and recog.h.
        (struct iv_to_split, struct split_ivs_info): New types.
        (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
        free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
        determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
        insert_base_initialization, split_iv): New functions.
        (peel_loop_completely, unroll_loop_constant_iterations,
        unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
        Use them.
        * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-cfg.c (thread_jumps): Update dominators correctly in
        case destination of threaded edge dominates its source.

2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * unroll.c: Removed.
        * loop.h: Removed.
        * Makefile.in (LOOP_H, unroll.o): Removed.
        (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
        dependency.
        * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
        reference.
        * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
        * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
        * loop.c: Do not include loop.h.
        (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
        REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
        struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
        REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
        struct loop_regs, struct loop_movables, struct loop_info): Moved
        from loop.h.
        (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
        reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
        find_common_reg_term, loop_iterations, final_giv_value): Moved
        from unroll.c.
        (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
        loop_dump_stream, for_each_insn_in_loop, express_from,
        extend_value_for_giv, loop_iv_add_mult_emit_before,
        loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
        loop_insn_first_p, get_condition_for_loop,
        loop_insn_emit_before, loop_insn_hoist,
        loop_insn_sink): Made static.
        (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
        reference.
        (strength_reduce): Do not call unroller.
        (record_giv): Do not initialize unrolled field.
        (prescan_loop): Do not set loop_info->preconditioned.
        * passes.c: Do not include loop.h.
        (rest_of_handle_loop_optimize): Do not call unroller.
        * predict.c: Do not include loop.h.
        * rtl.h (NOTE_PRECONDITIONED): Removed.
        * stmt.c: Do not include loop.h.
        * toplev.c: Do not include loop.h.
        (process_options): Do not handle flag_old_unroll_loops.

        * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
        Documentation removed.
        * doc/passes.texi (unroll.c, loop.h): Documentation removed.

2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (STAGE1_CHECKING): New variable.
        (stage1_build): Use it.
        * tree-ssa.c (verify_ssa): Preserve state of dominance
        information.

2004-09-14  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (output_fp_compare): Add generation
        of ftst instruction.
        * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
        Use output_fp_compare () function.
        (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
        (fix_truncdi_memory): Remove operands[5] copy.

2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md, config/m68k/m68kelf.h,
        config/mcore/mcore.md, config/rs6000/linux64.h,
        config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
        typos.

2004-09-13  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
        * gen-protos.c: Include errors.h.
        (progname): Delete.

2004-09-14  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
        * predict.c: Include tree-scalar-evolution.h and cfgloop.h
        (predict_loops): Use number_of_iterations_exit to predict
        number of iterations on trees.

2004-09-13  Dale Johannesen  <dalej@apple.com>

        PR 17408
        PR 17409
        * c-decl.c (start_decl): Repair TREE_STATIC for initialized
        objects declared extern.

2004-09-14  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
        HOST_WIDE_INT.

2004-09-13  Daniel Jacobowitz  <dan@debian.org>

        * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
        Only use TYPE_BINFO for aggregates.

2004-09-13  Daniel Jacobowitz  <dan@debian.org>

        * expmed.c (synth_mult): Initialize latency.  Check cost before
        checking ops count.

2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>

        * tree-ssa-operands.c (get_call_expr_operands): Added parm to
        add_call_clobber_ops and add_call_read_ops.
        (add_call_clobber_ops, add_call_read_ops): Added code to reduce
        the number of vdefs and vuses inserted based on analysis of global
        variables across calls.  * tree-dfa.c (find_referenced_vars):
        Needed to reset static var maps before each function is compiled.
        * cgraphunit.c:
        (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
        static_vars_info,functions_to_static_vars_info,module_statics_escape,
        all_module_statics,searchc_env,dfs_info): New fields to support
        analysis of static global variables.
        (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
        cgraph_reset_static_var_maps, get_global_static_vars_info,
        get_global_statics_not_read, get_global_statics_not_written,
        searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
        check_rhs_var, check_lhs_var, get_asm_expr_operands,
        process_call_for_static_vars, scan_for_static_refs,
        cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
        clear_static_vars_maps, cgraph_propagate_bits,
        cgraph_characterize_statics): New. Functions to support analysis
        of static global variables.
        (cgraph_mark_local_and_external_functions): Renamed from:
        (cgraph_mark_local_functions)
        (cgraph_expand_all_functions): Remove call to
        cgraph_mark_local_and_external_functions.
        (cgraph_optimize): Added driver to analyze static variables whose
        scope is within the compilation unit.  * cgraph.h (struct
        cgraph_local_info, GTY): Added statics_read, statics_written,
        local, calls_read_all, calls_write_all, for_functions_valid.
        (struct cgraph_node): Added next_cycle.  * cgraph.c
        (dump_cgraph_node): Added print routines for new fields.  *
        makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
        list.

2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (grokdeclarator): Correct comments about where storage
        class specifiers are rejected by grammar and add corresponding
        asserts.  Diagnose typedefs and parameters declared inline.
        Change warning for inline main to a pedwarn.  Only diagnose inline
        main if hosted.
        (declspecs_add_scspec): Allow duplicate "inline".

2004-09-13  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
        (TARGET_SCALAR_MODE_SUPPORTED_P): New.

2004-09-13  Richard Henderson  <rth@redhat.com>

        PR 17436
        * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
        (tree_type): Replace spare with contains_placeholder_bits.
        (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
        make static.  Remove seen_types list.
        (type_contains_placeholder_p): New.

2004-09-13  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
        (sb1_bdesc, bdesc_map, bdesc_arrays): New.
        (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
        bdesc_arrays instead of mips_bdesc.
        (mips_init_builtins): Likewise.
        * config/mips/mips.h (TARGET_SB1): New.
        (HAVE_SQRT_P): Delete.
        * config/mips/mips.md (divide_condition): Support V2SF.
        (sqrt_condition, recip_condition): New.
        (div<mode>3): Use ANYF instead of SCALARF.
        (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
        MODE.
        (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
        instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
        instead of MODE.
        (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
        instead of SCALARF.  Use UNITMODE instead of MODE.

2004-09-13  Zack Weinberg  <zack@codesourcery.com>

        * config.in: Regenerate after removal of libbanshee.

2004-09-13  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/17400
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce partitions when one occurs in an abnormal PHI.

2004-09-13  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
        name to _new_size.

2004-09-13  Richard Henderson  <rth@redhat.com>

        PR inline-asm/6806
        * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
        (cselib_invalidate_rtx_note_stores): New.
        (cselib_record_sets, cselib_process_insn): Update to match.
        * cselib.h (cselib_invalidate_rtx): Declare.
        * postreload.c (reload_cse_simplify): Invalidate asm clobbers.

2004-09-13  Richard Henderson  <rth@redhat.com>

        PR tree-opt/10528
        * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
        after copying its argument.

2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
        c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
        in diagnostics.  Use %' for English apostrophes.
        * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
        (pedwarn_c90, pedwarn_c99): Use it.
        * c-decl.c (lookup_label): Quote label name in diagnostic.
        * c-parse.in (yyprint): Use ' instead of ` for left quote.
        * c-typeck.c (warn_for_assignment): Likewise.

2004-09-13  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_schedule): New global variable.
        (override_options): Disable scheduling when not supported.
        * i386.h (x86_schedule): Declare.
        (TARGET_SCHEDULE): New macro.

2004-09-12  Richard Henderson  <rth@redhat.com>

        PR c++/16254
        * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
        * tree.c, tree.h (has_cleanups): Remove.

2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
        arguments of the phi nodes correctly.

2004-09-12  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (cmp_statistics): Fix sorting.

2004-09-12  David Edelsohn  <edelsohn@gnu.org>

        PR target/16795
        * expmed.c (expand_divmod): If cheap power of 2 divide is
        available, use it for negative constant as well.

2004-09-12  Andrew Pinski  <apinski@apple.com>

        * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
        size of 0.

        * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.

2004-09-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
        or minus one.
        (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
        post-reload, and scratch NULL.
        * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
        (x86_shift_adj_2): Use ix86_expand_clear.
        (ashldi3): Remove CMOVE expansion difference.
        (ashldi3_1): Remove.
        (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
        add constraints for immediates.  New peephole for split-with-temp.
        Run splitter after peep2 pass.
        (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
        (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
        (setcc_2): Rename with *.
        * config/i386/predicates.md (reg_or_pm1_operand): New.
        (ashldi_input_operand): New.

2004-09-12  Richard Henderson  <rth@redhat.com

        * print-rtl.c (print_decl_name): New.
        (print_mem_expr): Use it.

2004-09-12  Richard Henderson  <rth@redhat.com

        PR 17186, part deux
        * except.c (sjlj_emit_function_exit): Fix logic locating
        sjlj_exit_after in final block.

2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>

        * common.opt: Remove flags -fmove-all-movables and
        -freduce-all-givs.
        * loop-invariant.c (find_invariants_to_move):
        Remove all uses of flag_move_all_movables.
        * loop.c (move_movables): Remove all uses of
        flag_move_all_movables.
        (strength_reduce): Remove all uses of
        flag_reduce_all_givs.
        * doc/invoke.texi: Remove documentation of flags
        -fremove-all-movables and -freduce-all-givs.

2004-09-11  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17411
        * tree-sra.c (generate_element_zero): Revert recent build_int_cst
        change. elt->type may be a floating point type, so use fold_convert.

2004-09-11  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
        the thing referenced as used, not the stub itself.

2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (enum c_storage_class): New.
        (struct c_declspecs): Add storage_class, inline_p and thread_p.
        * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
        declarations and "auto" or "register" in file scope empty
        declarations.  Give more specific warnings for other cases of
        storage class specifiers in empty declarations.
        (grokdeclarator): Update for new structures.  Don't check for
        multiple storage classes.  Diagnose file-scope "register" if
        pedantic.
        (build_null_declspecs): Update.
        (declspecs_add_scspec): Update.  Diagnose multiple storage class
        specifiers and invalid uses of "__thread".

2004-09-11  Zack Weinberg  <zack@codesourcery.com>

        * tree.c (tree_code_size): New function, bulk of code from tree_size.
        (tree_size, make_node): Use it.
        * tree-ssa-pre.c (init_pre): Use it.
        * tree.h: Prototype it.

2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
        * tree-dfa.c (compute_immediate_uses, add_immediate_use,
        redirect_immediate_use): Use PHI_DF.
        * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
        (bb_for_stmt): Use PHI_BB.
        (get_immediate_uses): Use PHI_DF.
        * tree-ssa-dse.c (max_stmt_uid): New variable.
        (get_stmt_uid): New function.
        (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
        node annotations.
        * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
        (max_uid): Renamed to max_stmt_uid.
        (get_stmt_uid): New function.
        (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
        phi node annotations.
        * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
        * tree.h (PHI_BB, PHI_DF): New accessor functions.
        (struct tree_phi_node): Add bb and df fields.

2004-09-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/17416
        * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
        in conflict loop.

2004-09-11  Jan Hubicka  <jh@suse.cz>

        * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
        (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
        * i386.md (i387_cw): Add 'uninitialized' mode.

        * profile.c (BB_TO_GCOV_INDEX): move more to the front.
        (output_location): Break out from ....
        (branch_prob): ... here; handle gcov output on trees.
        * toplev.c (process_options): No longer be sorry about coverage for
        trees.

2004-09-11  Steven Bosscher  <stevenb@suse.de>

        PR c++/17412
        * fold-const.c (fold): Do not try to fold the operand of a
        CLEANUP_POINT_EXPR if that operand does itself not have any
        operands.

        PR middle-end/17417
        * langhooks.c (lhd_decl_printable_name): Make sure that this
        function is called with is a decl node that has an identifier.
        * tree-pretty-print.c (dump_function_name): New function to
        wrap PRINT_FUNCTION_NAME and dump_decl_name.
        (print_call_name): Use it.

2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>

        * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
        "config.h" if not.

2004-09-11  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-alias.c (collect_points_to_info_r): Handle
        pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
        to OFFSET.

2004-09-11  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
        (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
        operand of the ADDR_EXPR.
        (expand_expr_real_1): Update to match.

2004-09-11  David Edelsohn  <edelsohn@gnu.org>

        PR target/17277
        * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
        choose 64-bit version.

2004-09-11  Richard Henderson  <rth@redhat.com>

        PR c/17396
        * c-typeck.c (build_unary_op): Add legacy offsetof hack.

2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
        doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
        Insert @: after i.e. or e.g.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

        * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
        D.xxx rather than <Dxxx>.

2004-09-10  Adam Nemet  <anemet@lnxw.com>

        * configure.ac (AC_MSG_CHECKING(what linker to use)):
        in_tree_ld_is_elf should be true for LynxOS.
        * configure: Regenerate.

2004-09-10  Adam Nemet  <anemet@lnxw.com>

        * Makefile.in (all.cross): Add srcextra.

2004-09-10  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17024
        * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
        floating point comparison operators.  Change aborts to gcc_asserts.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

        * final.c (output_asm_insn): Correct problem with -fverbose-asm.

2004-09-10  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
        (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.

        * convert.c (convert_to_vector): Replace recursive call with
        error_mark_node.

        * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
        Add integer argument named constant.  Use const_tiny_rtx instead of
        CONST0_RTX.
        (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
        and CONST1_RTX.
        (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
        vector types.
        * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
        of gen_rtx_raw_CONST_VECTOR.

2004-09-10  Eric Christopher  <echristo@redhat.com>

        PR c/16046
        * c-parse.in (attribute): Add NULL_TREE for error case
        for error recovery.

2004-09-10  Zack Weinberg  <zack@codesourcery.com>

        * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
        (extract_interface_info): Delete prototype.
        * c-decl.c (extract_interface_info): Delete stub.
        * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
        it's not already been done ...
        (init_c_lex): ... not here.
        (fe_file_change): Don't call extract_interface_info.

2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
        typedef_p and typedef_signed_p.
        * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
        (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
        Check typedef_p and typedef_signed_p, not typedef_decl.
        (grokfield): Check typedef_p, not typedef_decl.
        (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
        not typedef_decl.
        (declspecs_add_type): Set typedef_p and typedef_signed_p, not
        typedef_decl.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi, doc/tree-ssa.texi: Fix typos.

2004-09-10  Geoffrey Keating  <geoffk@apple.com>

        * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
        temporary variables.

        * dbxout.c (dbxout_block): Update for
        current_function_func_begin_label a string.
        * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
        * except.c (dw2_output_call_site_table): Likewise.
        * toplev.c (current_function_func_begin_label): Likewise.
        * tree.h (current_function_func_begin_label): Likewise.
        * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.

        * final.c (output_asm_insn): Use strtoul instead of atoi, save a
        loop.

        * config/darwin.c: Include target.h.
        (struct machopic_indirection): Make ptr_name a string.
        (machopic_indirection_hash): Update for ptr_name a string.
        (machopic_indirection_eq): Likewise.
        (machopic_indirection_name): Likewise.
        (machopic_output_indirection): Likewise.
        (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
        string.  Don't expect stub names to be in the identifier hash table.
        Do call strip_name_encoding before looking up entry in ID hash table.
        * config/t-darwin (darwin.o): Add target.h to dependencies.

        * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
        of fprintf for register names.

        * output.h (unlikely_section_label): Delete declaration.
        (unlikely_text_section_name): Likewise.
        * varasm.c (unlikely_section_label_printed): Make static.
        (unlikely_section_label): Likewise.
        (unlikely_text_section_name): Likewise.
        (assemble_start_function): Use reconcat.

        * rtl.def (REG): Add comment to describe third field.

2004-09-10  Andrew Pinski  <apinski@apple.com>

        * config/darwin.c (machopic_mcount_stub_name): Call
        machopic_indirection_name instead of making the string
        ourselves.

2004-09-10  Diego Novillo  <dnovillo@redhat.com>

        Revert

        2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>

            * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
            memory tag is call clobbered, so are its aliases.
            (group_aliases): When two memory tags being grouped, if one is
            call clobbered, so are the other and its aliases.
            (add_may_alias): Remove call-clobbering stuff.
            (replace_may_alias): Likewise.
            (merge_pointed_to_info): Merge pt_global_mem

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
        genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
        passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
        tree-scalar-evolution.c, tree-ssa-copyrename.c,
        tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
        (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
        pair.  Remove match_dup from inputs.  Remove masaccs handling.
        (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
        (masaccs, mdasaccs): Turn into define_insns.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

        * tree-tailcall.c (process_assignment): Only do accumulator transforms
        for floating-point types if flag_unsafe_math_optimizations.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
        config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
        config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
        config/h8300/h8300.md, config/i386/gmm_malloc.h,
        config/ia64/ia64.md, config/ip2k/libgcc.S,
        config/mips/mips-ps-3d.md, config/mips/mips.c,
        config/rs6000/rs6000.c, config/s390/s390.c,
        config/sh/symbian.c: Fix comment typos.

2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Added missing
        "{}" brackets.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
        typos.  Follow spelling conventions.

2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>

        * toplev.c (warn_deprecated_use): Correct logic for saying "type"
        in diagnostic.  Don't dereference NULL TYPE_NAME.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
        tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
        tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
        value-prof.c: Fix comment typos.  Follow spelling conventions.

2004-09-10  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-dce.c (remove_dead_stmt): Update profile.
        * tree-split_edge.c (tree_split_edge): Likewise.
        (thread_jumps): Likewise.

2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>

        * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
        typos.

2004-09-10  Paolo Bonzini  <bonzini@gnu.org>

        * cgraph.h (cgraph_dump_file): Do not declare.
        * cgraphunit.c (cgraph_dump_file): Declare as static.
        (init_cgraph): New.
        * toplev.c (cgraph_dump_file): Do not declare.
        (compile_file): Call init_cgraph.
        * tree-dump.c (dump_files): Add IPA dump file, remove
        XML dump of call graph.
        (get_dump_file_name): Support IPA dump file naming scheme.
        * tree.h (enum tree_dump_index): Add IPA dump file, remove
        XML dump of call graph.
        * doc/invoke.texi (Debugging Options): Document the new options.

2004-09-10  Richard Sandiford  <rsandifo@redhat.com>

        * doc/extend.texi: Document the FR-V built-in functions.

2004-09-09  James E Wilson  <wilson@specifixinc.com>

        * doc/sourcebuild.texi: Delete libbanshee reference.

2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.

2004-09-09  James E Wilson  <wilson@specifixinc.com>

        * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
        before calling vector_types_convertible_p.
        (digest_init): Check that inside_init has VECTOR_TYPE before calling
        vector_types_convertible_p.  Don't give another error if
        convert_for_assignment returns error_mark_node.

2004-09-09  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/17055
        * fold-const.c (build_zero_vector): New function to construct a
        vector (either floating point or integer) of zeros.
        (fold_convert): Internally, enable conversions of integer zero
        to arbitrary vector types, using the new build_zero_vector.

2004-09-09  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
        expand a left shift by an immediate constant as either an ashl or
        a sequence of additions.
        (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
        instead of calling gen_ashlsi3 with a constant directly.

2004-09-09  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (ix86_split_long_move): When optimizing for
        size, and the low and high parts of a DImode constant are equal,
        copy one register to another instead of loading the same immediate
        value twice.

2004-09-09  Richard Henderson  <rth@redhat.com>

        PR middle-end/17367
        * function.c (assign_parm_setup_block): Only put PARALLELs into
        a register if use_register_for_decl.

2004-09-09  Eric Christopher  <echristo@redhat.com>

        * ra-colorize.c (reset_lists): Move variable declaration inside
        ENABLE_CHECKING to avoid unused variable warnings when
        not --enable-checking.
        (check_colors): Ditto.

2004-09-09  Mike Stump  <mrs@apple.com>

        * version.c (version_string): Bump to 4.0.0.
        * doc/include/gcc-common.texi (version-GCC): Likewise.

2004-09-10  Jakub Jelinek  <jakub@redhat.com>

        * doc/extend.texi (nothrow attribute): The attribute is not
        implemented in 3.2 and earlier.

2004-09-09  Steve Ellcey  <sje@cup.hp.com>

        * genrecog.c (compute_predicate_codes): Use op0_codes
        instead of codes.

2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
        implementation changes.

2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
        a PARALLEL instead of a SET due to added clobbers.

2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads_address): Pass correct operand to
        maybe_memory_address_p.

2004-09-09  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in: Remove libbanshee, tree-alias-*.
        Remove tree-alias-common.h dependencies.
        * common.opt: Remove -ftree-points-to.
        * configure.ac: Remove libbanshee.
        * flags.h: Remove pta_type, flag_tree_points_to.
        * gengtype.c (open_base_files): Remove tree-alias-type.h.
        * opts.c (OPT_ftree_points_to): Remove.
        * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
        * tree-dfa.c: Remove tree-alias-common.h
        * tree-into-ssa.c: Ditto.
        * tree-outof-ssa.c: Ditto.
        * tree-ssa-copyrename.c: Ditto.
        * tree-ssa-live.c: Ditto.
        * tree-optimize.c: Ditto.
        * tree-ssa.c: Ditto.
        Remove pass_build_pta, pass_del_pta.
        * tree-pass.h: Ditto.
        * tree-ssa-alias.c: Remove tree-alias-common.h.
        (struct alias_stats_d): Remove pta_queries, pta_resolved.
        (pass_may_alias): Remove PROP_pta requirement.
        (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
        (get_tmt_for): Ditto.
        (dump_alias_stats): Ditto.
        * doc/passes.texi: Remove blurb about points-to analysis.
        * fortran/Make-lang.in: Remove tree-alias-*.o.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>

        * genattrtab.c (write_insn_cases): New function, split out from
        write_attr_case.  Correctly handle define_peepholes when printing
        the instruction name.
        (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.

2004-09-09  Hans-Peter Nilsson  <hp@axis.com>

        PR target/17377
        * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
        * config/cris/cris.c (cris_return_address_on_stack): New function.
        * config/cris/cris.md ("return"): For location of return address,
        also check cris_return_address_on_stack.

2004-09-09  Diego Novillo  <dnovillo@redhat.com>

        * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
        calling phi_ssa_name_p.

2004-09-09  Richard Henderson  <rth@redhat.com>

        PR c/17322
        * c-typeck.c (valid_compound_expr_initializer): Use only
        initializer_constant_valid_p, and not TREE_CONSTANT.
        (digest_init): Likewise.
        (output_init_element): Likewise.

2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
        live_out_1, prune_hardregs_for_mode, init_one_web_common,
        reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
        record_conflict, compare_and_free_webs, init_webs_defs_uses,
        parts_to_webs_1, parts_to_webs, reset_conflicts,
        check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
        ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
        * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
        put_move, remove_move, combine, select_spill, colorize_one_web,
        try_recolor_web, insert_coalesced_conflicts, check_colors,
        break_precolored_alias, restore_conflicts_from_coalesce,
        sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
        * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
        reloads_to_loads, rewrite_program2, emit_colors): Likewise.
        * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
        check_df): Likewise.
        * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
        real_arithmetic, real_compare, real_exponent, real_ldexp,
        real_identical, real_to_integer, real_to_integer2, real_to_decimal,
        real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
        real_digit, real_nan, real_maxval, round_for_format, real_convert,
        real_to_target, real_from_target, real_hash, encode_ieee_single,
        encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
        encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
        encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
        * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
        extract_insn, peep2_next_insn, peep2_reg_dead_p,
        peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
        if_test_bypass_p): Likewise.
        * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
        stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
        emit_swap_insn, swap_to_top, move_for_stack_reg,
        subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
        compensate_edge, convert_regs_1): Likewise.
        * regclass.c (init_reg_sets, init_reg_sets_1,
        memory_move_secondary_cost): Likewise.
        * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
        Likewise.
        * reload.c (push_secondary_reload, find_valid_class, push_reload,
        operands_match_p, decompose, immune_p, find_reloads,
        find_reloads_toplev, find_reloads_address_1, subst_reloads,
        copy_replacements, refers_to_regno_for_reload_p,
        reg_overlap_mentioned_for_reload_p): Likewise.
        * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
        count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
        verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
        reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
        choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
        do_output_reload, fixup_abnormal_edges): Likewise.
        * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
        fill_slots_from_thread, relax_delay_slots): Likewise.
        * resource.c (mark_referenced_resources, mark_set_resources):
        Likewise.
        * rtl.c (copy_rtx, rtx_equal_p): Likewise.
        * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
        dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
        subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
        find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
        hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
        * rtlhooks.c (gen_lowpart_general): Likewise.
        * sbitmap.c (sbitmap_difference): Likewise.
        * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
        sched_analyze, add_forward_dependence): Likewise.
        * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
        * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
        schedule_insns): Likewise.
        * sched-vis.c (print_pattern): Likewise.
        * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
        * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
        simplify_const_relational_operation, simplify_ternary_operation,
        simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
        Likewise.
        * sreal.c (copy, sreal_sub, sreal_div): Likewise.
        * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
        resolve_operand_name_1, expand_return, expand_decl,
        expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
        * stor-layout.c (put_pending_size, smallest_mode_for_size,
        int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
        set_sizetype, get_mode_bounds): Likewise.

2004-09-09  Zack Weinberg  <zack@codesourcery.com>

        * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
        * config/arm/pecoff.h, config/i386/beos-elf.h
        * config/i386/cygming.h, config/i386/i386-interix.h:
        Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
        comment cloned from manual.
        * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.

2004-09-09  Frank Ch. Eigler  <fche@redhat.com>

        * builtins.c (build_va_arg_indirect_ref): New function.
        (std_gimplify_va_arg_expr): Call it instead of mudflap check and
        build_fold_indirect_ref.
        * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
        * tree.h: Declare new function.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

        * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
        dumping for development builds.
        * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
        development builds only.
        * genattrtab.c (write_eligible_delay): Fix typo in previous
        commit.
        * tree.c (iterative_hash_expr): Replace gcc_unreachable with
        gcc_assert.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

        * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
        cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
        process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
        hoist_code, extract_mentioned_regs_helper, compute_store_table,
        insert_store): Use gcc_assert and gcc_unreachable.
        * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
        gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
        ggc_record_overhead): Likewise.
        * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
        init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
        ggc_pop_context, clear_marks, validate_free_objects,
        ggc_pch_read): Likewise.
        * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
        ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
        ggc_push_context, check_cookies, ggc_collect,
        ggc_print_statistics): Likewise.
        * gimple-low.c (lower_function_body, lower_stmt,
        lower_bind_expr): Likewise.
        * gimplify.c (gimple_tree_eq, push_gimplify_context,
        pop_gimplify_context, gimple_pop_condition, create_tmp_var,
        declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
        mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
        gimplify_case_label_expr, gimplify_exit_block_expr,
        canonicalize_component_ref, gimplify_compound_lval,
        gimplify_self_mod_expr, gimplify_call_expr,
        gimplify_init_ctor_eval, gimplify_init_constructor,
        gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
        gimplify_expr, check_pointer_types_r,
        force_gimple_operand): Likewise.
        * global.c (global_alloc, build_insn_chain): Likewise.
        * graph.c (clean_graph_dump_file,
        finish_graph_dump_file): Likewise.
        gcov-io.c (gcov_open): Use GCOV_CHECK.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.

2004-09-09  Jan Hubicka  <jh@suse.cz>

        middle-end/17128
        * tree-inline.c (expand_call_inline): Make overactive sanity check
        happy.

2004-09-09  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
        VIEW_CONVERT_EXPR.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (gengtype): Use $(BUILD_ERRORS).
        (gengtype.o): Depend on errors.h.
        * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
        (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
        attr_alt_subset_p, attr_alt_subset_of_compl_p,
        attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
        write_test_expr, write_attr_value, write_eligible_delay,
        make_internal_attr, make_numeric_value): Likewise.
        * genautomata.c (regexp_name, get_str_vect,
        gen_presence_absence_set, automaton_decl_hash,
        automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
        decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
        process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
        test_unit_reserv, it_is_empty_reserv_sets,
        reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
        reserv_sets_and, output_cycle_reservs, get_free_state,
        intersected_state_reservs_p, states_union, remove_arc,
        copy_insn_regexp, transform_1, transform_2, transform_3,
        regexp_transform_func, store_alt_unit_usage,
        check_regexp_units_distribution, process_seq_for_forming_states,
        process_alts_for_forming_states, make_automaton,
        form_arcs_marked_by_insn, create_composed_state,
        set_out_arc_insns_equiv_num, partition_equiv_class,
        process_insn_equiv_class, set_insn_equiv_classes,
        units_to_automata_heuristic_distr, form_regexp,
        longest_path_length, output_dfa_max_issue_rate, add_vect,
        out_state_arcs_num, add_vect_el, output_trans_table,
        output_state_alts_table, output_dead_lock_vect,
        output_max_insn_queue_index_def,
        output_min_insn_conflict_delay_func,
        output_internal_insn_latency_func, output_print_reservation_func,
        output_cpu_unit_reservation_p, output_state_arcs,
        make_insn_alts_attr, make_internal_dfa_insn_code_attr,
        make_default_insn_latency_attr,
        form_important_insn_automata_lists): Likewise.
        * genemit.c (gen_exp, output_add_clobbers,
        output_added_clobbers_hard_reg_p): Likewise.
        * genextract.c (print_path, main): Likewise.
        * genflags.c (gen_macro): Likewise.
        * gengenrtl.c: Include errors.h
        (type_from_format, accessor_from_format): Likewise.
        * gengtype.c (get_file_basename, output_mangled_typename,
        walk_type, write_types_process_field,
        write_types_local_process_field): Likewise.
        * genmodes.c (complete_mode): Likewise.
        * genopinit.c (gen_insn): Likewise.
        * genoutput.c (output_insn_data, check_constraint_len,
        constraint_len): Likewise.
        * genpreds.c (add_mode_tests):Likewise.
        * gen-protos.c (add_hash): Likewise.
        * genrecog.c (find_operand, find_matching_operand,
        validate_pattern, add_to_sequence, maybe_both_true,
        nodes_identical_1, merge_trees, write_switch, write_cond,
        write_action, is_unconditional, make_insn_sequence,
        debug_decision_2): Likewise.
        * gensupport.c (is_predicable, collect_insn_data,
        alter_predicate_for_insn, maybe_eval_c_test): Likewise.

2004-09-09  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (guess_outgoing_edge_probabilities): Declare.
        * cfgbuild.c (compute_outgoing_frequencies): When probability is
        missing, guess it.
        (find_many_sub_basic_blocks): Do update profile only when it is
        present.
        * predict.c (set_even_probabilities): Break out from ...
        (combine_predictions_for_insn): ... here; deal with
        !can_predict_insn_p insns.
        (combine_predictions_for_bb): Use set_even_probabilities.
        (bb_estimate_probability_locally): Break out from ....
        (estimate_probability): ... here.
        (guess_outgoing_edge_probabilities): New entry point.

2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>

        * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
        handle_braces, process_brace_body, main, used_arg,
        set_multilib_dir, print_multilib_info): Use fatal, not abort.

        * tree-nested.c (create_tmp_var_for): Correct missinverted assert.

        * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
        * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
        Morgan's theorem in last checkin.

2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
            Nathan Sidwell  <nathan@codesourcery.com>

        * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
        Use gcc_assert, gcc_unreachable & internal_error instead of abort.
        * timevar.c (timevar_push, timevar_pop, timevar_start,
        timevar_stop): Likewise.
        * toplev.c (default_pch_valid_p): Likewise.
        * tracer.c (tail_duplicate): Likewise.
        * tree-alias-common.c (get_alias_var_decl,
        get_values_from_constructor, create_alias_var, delete_alias_vars,
        empty_points_to_set, same_points_to_set, ptr_may_alias_var):
        Likewise.
        * tree.c (tree_size, make_node_stat, copy_node_stat,
        build_int_cst_wide, integer_all_onesp, list_length, chainon,
        tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
        substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
        build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
        lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
        build_method_type_directly, decl_type_context, get_callee_fndecl,
        get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
        tree_fold_gcd): Likewise.
        * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
        make_cond_expr_edges, group_case_labels, tree_merge_blocks,
        cleanup_control_expr_graph, find_taken_edge,
        find_taken_edge_switch_expr, phi_alternatives_equal,
        is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
        stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
        tree_split_edge, tree_verify_flow_info, thread_jumps,
        tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
        * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
        chrec_fold_multiply_poly_poly): Likewise.
        * tree-complex.c (extract_component, expand_complex_division,
        expand_complex_comparison, expand_complex_operations_1,
        build_replicated_const, expand_vector_operations_1): Likewise.
        * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
        build_classic_dir_vector): Likewise.
        * tree-dfa.c (compute_immediate_uses_for_phi,
        compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
        create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
        record_in_finally_tree, replace_goto_queue_1,
        maybe_record_in_goto_queue, verify_norecord_switch_expr,
        do_return_redirection): Likewise.
        * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
        add_to_dst_predicate_list, find_phi_replacement_condition,
        replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
        Likewise.
        * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
        initialize_inlined_parameters, declare_return_variable,
        estimate_num_insns_1, expand_call_inline, expand_calls_inline,
        optimize_inline_calls, copy_tree_r): Likewise.
        * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
        ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
        * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
        tsi_split_statement_list_after, tsi_split_statement_list_before):
        Likewise.
        * tree-mudflap.c (mf_varname_tree): Likewise.
        * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
        lookup_tramp_for_decl, convert_all_function_calls): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
        coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
        free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
        Likewise.
        * tree-phinodes.c (resize_phi_node, add_phi_arg,
        remove_all_phi_nodes_for): Likewise.
        * tree-pretty-print.c (op_prio, print_call_name): Likewise.
        * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
        tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
        * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
        sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
        generate_one_element_ref, generate_element_copy,
        generate_element_zero, scalarize_copy, scalarize_init,
        scalarize_ldst): Likewise.
        * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
        add_may_alias, add_pointed_to_expr, add_pointed_to_var,
        collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
        * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
        * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
        set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
        widen_bitfield, ccp_fold_builtin): Likewise.
        * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
        replace_exp_1, propagate_tree_value): Likewise.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
        * tree-ssa-dce.c (set_control_dependence_map_bit,
        find_control_dependence, find_pdom, mark_operand_necessary,
        mark_stmt_if_obviously_necessary,
        mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
        * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
        simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
        eliminate_redundant_computations, avail_expr_eq): Likewise.
        * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
        duplicate_blocks): Likewise.
        * tree-ssa-loop-im.c (for_each_index, set_level,
        is_call_clobbered_ref): Likewise.
        * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
        stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
        find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
        peel_address, ptr_difference_cost, may_replace_final_value,
        determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
        rewrite_use, rewrite_uses): Likewise.
        * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
        check_loop_closed_ssa_use): Likewise.
        * tree-ssanames.c (make_ssa_name): Likewise.
        * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
        finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
        get_stmt_operands, get_expr_operands, get_asm_expr_operands,
        get_indirect_ref_operands, add_stmt_operand): Likewise.
        * tree-ssa-pre.c (value_exists_in_set_bitmap,
        value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
        phi_translate, valid_in_set, compute_antic,
        find_or_generate_expression, create_expression_by_pieces, insert_aux,
        create_value_expr_from, eliminate): Likewise.
        * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
        * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
        Likewise.
        * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
        eliminate_tail_call): Likewise.
        * tree-vectorizer.c (vect_create_index_for_array_ref,
        vect_align_data_ref, vect_create_data_ref,
        vect_create_destination_var, vect_get_vec_def_for_operand,
        vect_finish_stmt_generation, vect_transform_stmt,
        vect_transform_loop_bound, vect_transform_loop,
        vect_analyze_operations): Likewise.
        * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
        Likewise.
        * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
        get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
        bsi_after_labels, bsi_last): Likewise.
        * tree-ssa-live.c (var_union, change_partition_var,
        create_ssa_var_map, calculate_live_on_entry, root_var_init,
        type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
        Likewise.
        * tree-ssa-live.h (partition_is_global, live_entry_blocks,
        tpa_find_tree): Likewise.
        (register_ssa_partition_check): Declare.
        (register_ssa_partition): use it.
        * tree-ssa-live.c: Include errors.h.
        (register_ssa_partition_check): New.
        * tree-ssa-operands.c: Include errors.h.
        * Makefile.in (tree-ssa-operands.o): Depend on errors.h.

2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
            Catherine Moore  <clm@redhat.com>

        * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
        (FRV_CPU_FR405): New processor enums.
        (frv_issue_rate, frv_acc_group): Declare.
        * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
        (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
        (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
        (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
        (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
        handled by CPP_SPEC.
        (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
        (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
        (ACC_MASK): New macro.
        (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
        (TARGET_MEDIA_FR450): New macro.
        (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
        (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
        (LABEL_ALIGN_AFTER_BARRIER): Define.
        (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
        (IACC_FIRST, IACC_LAST): New pair of SPRs.
        (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
        (REGISTER_NAMES): Add entries for new registers.
        (REG_CLASS_CONTENTS): Update for new register ranges.
        (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
        (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
        (PACKING_FLAG_USED_P): Delete.
        (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
        (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
        (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
        (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
        (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
        (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
        (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
        (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
        (CPU_UNITS_QUERY): Define to 1.
        * config/frv/frv.c: Include gt-frv.h
        (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
        (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
        (frv_insn_group): New enumeration.
        (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
        (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
        (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
        (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
        gap left by REGSTATE_LIVE.
        (regstate_t): New typedef.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
        (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
        Initialize frv_unit_codes[] and frv_type_to_unit[].
        (frv_conditional_register_usage): Remove redundant fixing of
        accumulator registers.
        (frv_insn_packing_flag): Update specification.
        (frv_function_prologue): Don't set frv_insn_packing_flag here.
        Zero out frv_nops[].
        (frv_expand_epilogue): Remove comments about the no-longer-present
        SIBCALL_P argument.
        (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
        PACKING_FLAG_USED_P() when deciding whether to pack instructions.
        (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
        of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
        packing is disabled and if INSN can only issue to M1.
        (call_operand): Check TARGET_LONG_CALLS.
        (acc_operand, even_acc_operand, quad_acc_operand)
        (accg_operand): Simplify.  Don't accept pseudo registers.
        (output_move_single): Handle SPR<-zero moves.
        (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
        (frv_registers_update, frv_registers_used_p): Delete.
        (frv_registers_set_p): Delete.
        (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
        (frv_issues_to_branch_unit_p): New function.
        (frv_packet): New structure.
        (frv_cond_flags, frv_regstate_conflict_p): New functions.
        (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
        (frv_registers_update_1, frv_registers_update): New functions.
        (frv_start_packet, frv_start_packet_block, frv_finish_packet)
        (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
        (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
        (frv_sort_insn_group, frv_reorder_packet): New functions.
        (frv_pack_insns): Use frv_reorder_packet.
        (frv_packet_address): New variable.
        (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
        (frv_register_nop, frv_reorg): New functions.
        (bdesc_1arg): Add __SCUTSS.
        (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
        __SUBSS, __SLASS and __SCAN.
        (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
        (bdesc_int_void2arg, bdesc_prefetches): New arrays.
        (frv_init_builtins): Register the above builtins.
        (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
        registers.  Turn the referenced accumulators into global registers.
        (frv_read_iacc_argument): New function.
        (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
        (frv_split_iacc_move): New function.
        (frv_expand_builtin): Handle the new builtins.
        * config/frv/frv.md: Replace old schedulers with new order-independent
        ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
        packing algorithm.
        (cpu): Add fr550, fr450 and fr405.
        (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
        mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
        (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
        (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
        (fnop, mnop): New patterns.
        (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
        New constants.
        (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
        (mclracca8): Use ACC_MASK to determine the upper set of accumulator
        registers.
        (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
        (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
        (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
        (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
        (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
        (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
        (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
        (frv_prefetch0, frv_prefetch): New patterns.
        * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
        -mcpu=simple.  Add -mcpu=fr550.
        (MULTILIB_DIRNAMES): Update accordingly.
        (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
        -mcpu=fr450.
        * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
        -mlong-calls and -malign-labels options for FR-V.

2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/8420
        * c-tree.h (struct c_declspecs): New.
        (struct c_declarator, struct c_type_name, struct c_parm): Update
        element types.
        (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
        start_function, start_decl, build_c_parm,
        make_pointer_declarator): Update prototypes.
        (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
        declspecs_add_scspec, declspecs_add_attrs): New.
        (split_specs_attrs): Remove.
        * c-parse.in (%union): Add dsptype.
        (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
        declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
        declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
        declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
        declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
        declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
        declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
        declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
        declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
        declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
        maybe_type_quals_attrs): Change to dsptype.
        (struct c_declspec_stack): New.
        (current_declspecs, declspec_stack): Change type.
        (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
        structures.
        (extdefs): Likewise.
        (setspecs): Likewise.
        (fndef): Use current_declspecs for empty declspecs list.
        (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
        declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
        declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
        declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
        declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
        declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
        declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
        declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
        structures and helper functions.  Update comments.
        (typespec_nonattr): Correct comment.
        (maybe_type_quals_attrs, typename): Update to new structures.
        * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
        shadow_tag, shadow_tag_warned, start_function, start_decl,
        build_c_parm, make_pointer_declarator,
        set_array_declarator_inner, groktypename): Update to new
        structures.
        (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
        declspecs_add_scspec, declspecs_add_attrs): New.
        (split_specs_attrs): Remove.
        (shadow_tag_warned): Make warning for useless type names a
        pedwarn.  Give hard error for long, short, signed, unsigned or
        _Complex used with struct, union or enum in empty declaration.
        Make found_tag a bool.
        (grokdeclarator): Remove checks now done at parse time.

2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
        c_declarator, struct c_type_name, struct c_parm): New.
        (build_array_declarator, set_array_declarator_inner,
        get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
        start_function, start_decl, build_c_parm, build_attrs_declarator,
        build_function_declarator, make_pointer_declarator, c_cast_expr,
        store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
        (build_id_declarator): New.
        * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
        structures.
        * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
        ARG_INFO_OTHERS): Remove.
        (build_id_declarator): New.
        (build_array_declarator, set_array_declarator_inner, groktypename,
        start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
        grokfield, start_function, store_parm_decls_newstyle,
        store_parm_decls_oldstyle, store_parm_decls,
        build_c_parm, build_attrs_declarator, build_function_declarator,
        make_pointer_declarator, grokdeclarator): Update to new
        structures.
        * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
        parmtype.
        (declarator, notype_declarator, after_type_declarator,
        parm_declarator, parm_declarator_starttypename,
        parm_declarator_nostarttypename, array_declarator, typename,
        absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
        absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
        parmlist_1, parmlist_2, parmlist_or_identifiers,
        parmlist_or_identifiers_1): Use these types.
        (primary, after_type_declarator, parm_declarator_starttypename,
        notype_declarator, component_decl, component_declarator,
        component_notype_declarator, typename, absdcl,
        absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
        parmlist_2, parmlist_or_identifiers_1): Update to new structures.

2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
        in_typeof, record_maybe_used_decl, pop_maybe_used,
        c_expr_sizeof_expr, c_expr_sizeof_type): New.
        * c-decl.c (parser_obstack): New.
        (c_init_decl_processing): Initialize parser_obstack.
        (c_write_global_declarations_1): Check for used but undefined
        static functions.
        * c-parse.in (%union): Add otype.
        (save_obstack_position): New.
        (extdefs): Use it.
        (unary_expr): Update in_sizeof and in_alignof.  Use
        c_expr_sizeof_expr and c_expr_sizeof_type.
        (sizeof): Update in_sizeof.
        (alignof): Update in_alignof.
        (typeof): Update in_typeof.
        (typespec_nonreserved_nonattr): Call pop_maybe_used.
        * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
        maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
        pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
        (build_external_ref): Set C_DECL_USED or call
        record_maybe_used_decl if appropriate.
        * toplev.c (check_global_declarations): Check TREE_NO_WARNING.

2004-09-08  Eric Christopher  <echristo@redhat.com>

        * builtins.c: Fix prototype for fold_builtin_atan.

2004-09-08  Eric Christopher  <echristo@redhat.com>

        * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
        fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
        fold_builtin_atan): New functions. Migrate function bodies...
        (fold_builtin_1): ... from here.

2004-09-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
        save_size.

2004-09-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
        * config/rs6000/power5.md (power5-lmul): Same.

2004-09-08  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/17186
        * function.c (expand_function_end): Have fall-off-the-end
        return path jump around return register setup.

2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (sparc_indent_opcode): New variable.
        (output_return): Do not test for the presence of the 'unimp' insn.
        Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
        as predicates instead of custom ones.  Return raw strings when
        possible.
        (output_sibcall): Likewise.  Concatenate strings.
        (output_ubranch): Remove kludge for TurboSPARC.
        (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
        (output_v9branch): Likewise.
        (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
        <#>: Set sparc_indent_opcode if the delay slot is filled.
        <(>: Likewise.
        <)>: New operand to emit the displacement from the saved PC on return.
        <@>: Remove.
        * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
        (ASM_OUTPUT_OPCODE): New macro.
        (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
        * config/sparc/sparc.md (normal_branch, inverted_branch,
        normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
        inverted_fpe_branch): Adjust call to output_cbranch.
        (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
        call to output_v9branch.
        * config/sparc/sparc-protos.h (output_cbranch): Adjust.
        (output_v9branch): Likewise.

2004-09-08  Devang Patel  <dpatel@apple.com>

        * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
        -segs_read_only_addr and -segs_read_write_addr.
        (WORD_SWITCH_TAKES_ARG): Same.
        (LINK_SPEC): Same.
        * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
        -segs_read_write_addr.

2004-09-08  Richard Henderson  <rth@redhat.com>

        * function.c (reference_callee_copied): New.
        (assign_parm_setup_reg): Use it.
        * calls.c (initialize_argument_information): Likewise.
        (emit_library_call_value_1): Likewise.
        * function.h (reference_callee_copied): Declare.

        * target.h (struct gcc_target): Add callee_copies.
        * target-def.h (TARGET_CALLEE_COPIES): New.
        (TARGET_PASS_BY_REFERENCE): Update default.
        * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * targhooks.c (hook_callee_copies_named): New.
        (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
        hook_pass_by_reference_false.
        (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
        * targhooks.h: Update decls.
        * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
        * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
        * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
        * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
        * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
        * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
        (mips_callee_copies): New.
        * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
        * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
        * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
        * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/sh/sh.c (sh_callee_copies): New.
        (TARGET_CALLEE_COPIES): New.
        * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
        * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
        for FUNCTION_ARG_CALLEE_COPIES.
        * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.

2004-09-08  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (find_phi_replacement_condition): Return true
        edge block.
        (replace_phi_with_cond_modify_expr): Select conditional expr args
        based on true edge basic block.

2004-09-08  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
        variables being alias set.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * final.c (shorten_branches, final, get_insn_template,
        output_alternate_entry_point, final_scan_insn, alter_subreg,
        alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
        leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
        * fix-header.c (lookup_std_proto): Likewise.
        * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
        verify_local_live_at_start, update_life_info, mark_reg,
        calculate_global_regs_live, allocate_reg_life_data,
        init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
        ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
        attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
        * fold-const.c (force_fit_type, div_and_round_double,
        may_negate_without_overflow_p, int_const_binop, const_binop,
        size_binop, size_diffop, fold_convert_const, fold_convert,
        invert_tree_comparison, swap_tree_comparison,
        comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
        range_binop, make_range, fold_cond_expr_with_comparison,
        fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
        fold_abs_const, fold_not_const, fold_relational_const, round_up,
        round_down): Likewise.
        * function.c (find_function_data, assign_stack_temp_for_type,
        instantiate_virtual_regs_lossage, aggregate_value_p,
        assign_parm_find_entry_rtl, assign_parm_setup_block,
        expand_function_start, expand_function_end, keep_stack_depressed,
        handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.

2004-09-08  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (tree-loop-linear.o): Added.
        (OBJS-common): Add tree-loop-linear.o
        * common.opt: New flag, ftree-loop-linear.
        * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
        * tree-flow.h: Add prototype for linear_transform_loops.
        * tree-optimize.c: Add linear transform after vectorization.
        * tree-pass.h: Add struct pass_linear_transform.
        * tree-ssa-loop.c: Add pass_linear_transform.
        * tree-loop-linear.c: New file.
        * lambda-code.c: gcc_assertify.
        (gcc_loop_to_lambda_loop): Handle all exit tests.
        Handle case where we have (invariant >= induction var).
        (find_induction_var_from_exit_cond): Ditto.

2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>

        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
        memory tag is call clobbered, so are its aliases.
        (group_aliases): When two memory tags being grouped, if one is
        call clobbered, so are the other and its aliases.
        (add_may_alias): Remove call-clobbering stuff.
        (replace_may_alias): Likewise.
        (merge_pointed_to_info): Merge pt_global_mem

2004-09-08  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
        * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
        (cgraph_expand_function): Remove stale cgraph edges of currently
        compiled function; fix non-unit-at-a-time code copying function
        node for later reuse.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
        (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
        (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
        (vec_gc_free, vec_heap_free): New.
        * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
        (DEF_VEC_P): Add allocator argument. Adjust.
        (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
        (DEF_VEC_O): Add allocator argument. Adjust.
        (VEC(free)): New.

        * tree.h (tree): Define a GC'd vector.
        * lamba-code.c (lambda_loop): Likewise.
        * value-prof.h (histogram_value): Likewise.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
        (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
        gen_lowpart_common, gen_highpart, gen_highpart_mode,
        subreg_highpart_offset, operand_subword, operand_subword_force,
        mem_expr_equal_p, set_mem_attributes_minus_bitpos,
        set_mem_alias_set, change_address_1, verify_rtx_sharing,
        copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
        try_split, add_insn_after, add_insn_before, remove_insn,
        remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
        emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
        emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
        set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
        gen_const_vector_0, emit_copy_of_insn_after): Likewise.
        * et-forest.c (set_prev, set_next, et_check_occ_sanity,
        record_path_before_1, check_path_after_1, check_path_after): Likewise.
        * except.c (gen_eh_region, resolve_one_fixup_region,
        remove_unreachable_regions, convert_from_eh_region_ranges_1,
        add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
        connect_post_landing_pads, sjlj_emit_function_exit,
        remove_exception_handler_label, remove_eh_handler,
        reachable_next_level, collect_one_action_chain,
        output_function_exception_table): Likewise.
        * explow.c (trunc_int_for_mode, copy_to_mode_reg,
        optimize_save_area_alloca, allocate_dynamic_stack_space,
        probe_stack_range, hard_function_value): Likewise.
        * expmed.c (mode_for_extraction, store_bit_field,
        store_fixed_bit_field, extract_bit_field, expand_shift,
        expand_mult_const, expand_mult, choose_multiplier,
        expand_mult_highpart, expand_divmod, emit_store_flag,
        do_cmp_and_jump): Likewise.
        * expr.c (convert_move, convert_modes, move_by_pieces,
        move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
        move_block_from_reg, gen_group_rtx, emit_group_load,
        emit_group_move, emit_group_store, use_reg, use_regs,
        can_store_by_pieces, store_by_pieces, store_by_pieces_1,
        emit_move_insn, emit_move_insn_1, emit_push_insn,
        expand_assignment, store_expr, count_type_elements,
        store_constructor, store_field, safe_from_p, expand_var,
        expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.

2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>

        * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
        gcc_assert and gcc_unreachable.
        * ddg.c (create_ddg_dependence, add_deps_for_def,
        add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
        * df.c (df_ref_unlink, df_ref_record, df_uses_record,
        df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
        df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
        df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
        df_bb_reg_live_end_p, df_bb_regs_lives_compare,
        df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
        dataflow_set_copy, hybrid_search, diagnostic.c,
        diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
        * dojump.c (do_jump): Likewise.
        * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
        compute_dom_fast_query, calculate_dominance_info,
        free_dominance_info, get_immediate_dominator,
        set_immediate_dominator, get_dominated_by,
        redirect_immediate_dominators, nearest_common_dominator,
        dominated_by_p, verify_dominators, recount_dominator,
        iterate_fix_dominators, add_to_dominance_info,
        delete_from_dominance_info): Likewise.
        * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
        dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
        dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
        * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
        initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
        flush_queued_reg_saves, dwarf2out_frame_debug_expr,
        dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
        output_call_frame_info, output_loc_operands, build_cfa_loc,
        decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
        AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
        AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
        splice_child_die, attr_checksum, same_dw_val_p,
        break_out_includes, build_abbrev_table, size_of_die, mark_dies,
        unmark_dies, value_format, output_loc_list, output_die,
        output_pubnames, output_aranges, base_type_die, is_base_type,
        modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
        mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
        field_byte_offset, add_data_member_location_attribute,
        add_const_value_attribute, rtl_for_decl_location,
        add_location_or_const_value_attribute, add_byte_size_attribute,
        add_bit_offset_attribute, add_bit_size_attribute,
        add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
        decl_start_label, gen_formal_parameter_die,
        gen_type_die_for_member, gen_subprogram_die, gen_label_die,
        gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
        force_decl_die, force_type_die, gen_decl_die,
        dwarf2out_imported_module_or_decl, prune_unused_types_prune,
        dwarf2out_finish): Likewise.

2004-09-08  Andreas Tobler  <toa@pop.agri.ch>

        * Makefile.in (builtins.o): Depend on tree-mudflap.h.
        * builtins.c: Include tree-mudflap.h.

2004-09-08  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
        force operand 0.0 into register in XFmode. Also do not force
        operand 0.0 into register if !TARGET_CMOVE.
        * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
        (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
        implement ftst x87 instruction.
        (*fp_jcc_7): New insn pattern. Change corresponding split
        pattern to handle "general_operand" instead of
        "nonimmediate_operand".

2004-09-08  Ben Elliston  <bje@au.ibm.com>

        * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.

2004-09-07  Frank Ch. Eigler  <fche@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
        generated from standard va_arg expansion.
        * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
        marked nodes.
        (mf_varname_tree, mf_file_function_line_tree): Add some support
        for column numbers if compiled with USE_MAPPED_LOCATION.

2004-09-07  Ziemowit Laski  <zlaski@apple.com>

        * c-decl.c (groktypename_in_parm_context): Remove function.
        * c-tree.h (groktypename_in_parm_context): Remove prototype.

2004-09-07  Ziemowit Laski  <zlaski@apple.com>

        * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
        * c-parse.in: Include c-common.h instead of objc-act.h.
        (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
        myparms, myparm): Remove %type declarations.
        (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
        objc_typename, objc_try_catch_stmt, optellipsis): Add %type
        declarations.
        (objc_inherit_code, objc_public_flag): Remove.
        (typespec_nonreserved_nonattr): Call
        objc_get_protocol_qualified_type() instead of get_static_reference()
        and get_protocol_reference().
        (stmt_nocomp): Call grokparm() on @catch parameter.
        (objcdef): Move semantic action to objc_finish_implementation().
        (classdef): Move semantic action to objc_start_class_interface(),
        objc_continue_interface(), objc_finish_interface(),
        objc_start_class_implementation(), objc_continue_implementation(),
        objc_start_category_interface() and
        objc_start_category_implementation().
        (protocoldef): Move semantic actions to objc_start_protocol() and
        objc_finish_interface().
        (ivar_decl_list): Remove nonterminal.
        (visibility_spec): Move semantic actions to objc_set_visibility().
        (ivar_decls): Remove assignment to $$.
        (ivar_decl): Rephrase in terms of component_decl; call
        objc_add_instance_variable().
        (ivars, ivar_declarator): Remove nonterminals.
        (opt_semi): New nonterminal.
        (methodtype): Remove semantic actions.
        (methoddef): Move semantic actions to objc_set_method_type(),
        objc_start_method_definition() and objc_finish_method_definition().
        (methodproto): Move semantic actions to objc_set_method_type() and
        objc_add_method_declaration().
        (methoddecl): Use objc_typename instead of typename; move semantic
        actions to objc_build_method_signature().
        (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
        (optparmlist): Express in terms of optparms and optellipsis.
        (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
        nonterminals.
        (keyworddecl): Use objc_typename instead of typename.
        (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
        and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().

2004-09-08  Alan Modra  <amodra@bigpond.net.au>

        * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
        (MD_FALLBACK_FRAME_STATE_FOR): Update.
        * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
        (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
        (MD_FROB_UPDATE_CONTEXT): Remove default.
        (uw_update_context_1): Instead #ifdef invocation.
        * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
        (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
        * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
        (MD_UNWIND_SUPPORT): Undefine this instead.
        * config/i386/gnu.h: Likewise.
        * config/alpha/linux-unwind.h: New file, macro converted to
        function, extracted from..
        * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
        (MD_UNWIND_SUPPORT): Define.
        * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
        * config/i386/linux-unwind.h, config/i386/linux.h,
        config/i386/linux64.h: Likewise.
        * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
        MD_HANDLE_UNWABI too.
        * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
        * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
        * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
        * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
        * config/sparc/linux-unwind.h, config/sparc/linux.h,
        config/sparc/linux64.h: Likewise.
        * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
        SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
        * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
        config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
        function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.

2004-09-07  Jan Hubicka  <jh@suse.cz>

        * cse.c (fold_rtx):  Avoid building of
        (CONST (MINUS (CONST_INT) (SYMBOL_REF)))

        * tree-ssa-pre.c (grand_bitmap_obstack): New.
        (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
        (init_pre): Initialize obstack.
        (fini_pre): Free obstack.

2004-09-07  David Daney  <ddaney@avtrex.com>

        * config.gcc: Added support for --with-divide=[breaks|traps] for
        mips targets.
        * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
        (TARGET_DIVIDE_TRAPS): New macro.
        (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
        (OPTION_DEFAULT_SPECS): Added --with-divide= support.
        * config/mips/mips.c (mips_idiv_insns): Generate proper count on
        GENERATE_DIVIDE_TRAPS.
        (mips_output_division): Emit conditional trap if
        GENERATE_DIVIDE_TRAPS is set.
        * doc/install.texi: Document --with-divide.
        * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.

2004-09-07  Caroline Tice  <ctice@apple.com>

        * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
        EDGE_CROSSING, to flags test case.

2004-09-07  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
        class too.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
        cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
        make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
        or gcc_unreachable.
        * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
        remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
        alloc_aux_for_edges, free_aux_for_edges): Likewise.
        * cfgcleanup.c (try_forward_edges,
        merge_blocks_move_predecessor_nojumps,
        merge_blocks_move_successor_nojumps): Likewise.
        * cfgexpand.c (expand_gimple_cond_expr,
        expand_gimple_tailcall): Likewise.
        * cfghooks.c (duplicate_block): Likewise.
        * cfglayout.c (record_effective_endpoints,
        insn_locators_initialize, change_scope, fixup_reorder_chain,
        verify_insn_chain, fixup_fallthru_exit_predecessor,
        duplicate_insn_chain, cfg_layout_finalize): Likewise.
        * cfgloopanal.c (check_irred): Likewise.
        * cfgloop.c (superloop_at_depth, flow_loops_free,
        flow_loop_entry_edges_find, flow_loops_find,
        flow_loop_outside_edge_p, get_loop_body,
        get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
        get_loop_exit_edges, num_loop_branches, cancel_loop,
        verify_loop_structure): Likewise.
        cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
        duplicate_loop_to_header_edge, create_preheader,
        create_loop_notes): Likewise.
        * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
        edirect_branch_edge, force_nonfallthru_and_redirect,
        rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
        commit_edge_insertions, commit_edge_insertions_watch_calls,
        purge_dead_edges, cfg_layout_redirect_edge_and_branch,
        cfg_layout_redirect_edge_and_branch_force,
        cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
        * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
        cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
        cgraph_varpool_node): Likewise.
        * cgraphunit.c (cgraph_finalize_function,
        cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
        cgraph_expand_function, cgraph_remove_unreachable_nodes,
        cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
        cgraph_mark_inline, cgraph_expand_all_functions,
        cgraph_build_static_cdtor): Likewise.
        * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
        simplify_logical, distribute_notes, insn_cuid): Likewise.
        * conflict.c (conflict_graph_add, print_conflict): Likewise.
        * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
        coverage_checksum_string): Likewise.
        * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
        hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
        cse_cc_succs, cse_condition_code_reg): Likewise.
        * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
        rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
        new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
        cselib_record_set): Likewise.

2004-09-07  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (fold_builtin_strchr): Use build_int_cst, not
        fold_convert.
        (fold_builtin_strpbrk): Likewise.
        * expr.c (array_ref_low_bound): Likewise.
        * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
        interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
        * tree-sra.c (generate_element_zero): Likewise.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
        * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
        add_old_iv_candidates, add_iv_candidates): Likewise.
        * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
        * c-common.c (c_type_hash, c_common_nodes_and_builtins,
        c_expand_expr, boolean_increment, nonnull_check_p,
        check_function_arguments_recurse, fold_offsetof_1): Likewise.
        * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
        builtin_define_type_max): Likewise.
        * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
        implicit_decl_warning, builtin_function, build_compound_literal,
        complete_array_type, grokdeclarator, get_parm_info,
        start_function, store_parm_decls_oldstyle,
        c_write_global_declarations): Likewise.
        * c-format.c (get_constant, decode_format_attr,
        maybe_read_dollar_number, get_flag_spec, check_format_arg,
        check_format_types, format_type_warning,
        find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
        init_dynamic_diag_info, handle_format_attribute): Likewise.
        * c-gimplify.c (push_context, pop_context, finish_bc_block):
        * c-lex.c (c_lex_with_flags, lex_string): Likewise.
        * c-objc-common.c (c_tree_printer): Likewise.
        * c-pch.c (pch_init): Likewise.
        * c-pragma.c (maybe_apply_pragma_weak): Likewise.
        * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
        * c-typeck.c (c_incomplete_type_error, composite_type,
        common_pointer_type, common_type, same_translation_unit_p,
        tagged_types_tu_compatible_p, finish_init, pop_init_level,
        set_designator, set_nonincremental_init_from_string,
        process_init_element, c_finish_if_stmt): Likewise.
        * caller-save.c (init_caller_save, save_call_clobbered_regs,
        insert_restore, insert_save, insert_one_insn): Likewise.
        * calls.c (emit_call_1, compute_argument_block_size,
        precompute_arguments, expand_call, emit_library_call_value_1,
        store_one_arg): Likewise.

2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (enable-checking): Add release option. Reorganize
        to avoid repetition.
        * configure: Rebuilt.
        * doc/install.texi (enable-checking): Amend documentation.

2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/17313
        * Makefile.in (specs.ready): Depend on cc1$(exeext).

2004-09-06  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
        movdf_hardfloat_32bit): Split fG into two alternatives.
        (movv2sf_hardfloat_64bit): Split fYG into two alternatives.

        * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.

2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * final.c (output_in_slot): Delete.
        (final_scan_insn): Revert 2004-09-03 change.
        (output_asm_insn): Likewise.
        * config/sparc/sparc.c (output_return): Likewise.
        (output_sibcall): Likewise.

2004-09-06  Jan Hubicka  <jh@suse.cz>

        * loop.c (loop_dump_aux): Do not print RTL when not available.
        * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
        frontend specific type nodes.
        (produce_memory_decl_rtl): Break out from ...
        (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
        (get_computation_at): Avoid random tree sharing.
        (tree_ssa_iv_optimize): Verify tree sharing; dump loops.

2004-09-06  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
        unnecessary commands.

2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>

        * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
        (bitmap.o): Likewise.

2004-09-06  Paolo Bonzini  <bonzini@gnu.org>

        Unify the management of RTL and tree-level dump files.

        * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
        Don't print function name to the dump file, the pass manager
        would do this for us. Add code from the top of
        rest_of_compilation, up to the initial RTL dump.
        * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
        close the DFI_sibling dump file.
        (rest_of_compilation): Don't do that here.  Remove code up to the
        initial RTL dump.
        (init_optimization_passes): Remove.
        (pass_rest_of_compilation): Change pass name to NULL.
        * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
        Do not call init_optimization_passes.
        * toplev.h (init_optimization_passes): Remove.

        * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
        finish_graph_dump_file): Remove SUFFIX parameter.
        * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
        finish_graph_dump_file): Likewise.

        * tree-pass.h (struct tree_opt_pass): Add `letter' field.
        * cfgexpand.c (pass_expand): Adjust.
        * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
        * passes.c (pass_rest_of_compilation): Adjust.
        * predict.c (pass_profile): Adjust.
        * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
        * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
        pass_split_crit_edges, pass_warn_function_return): Adjust.
        * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
        * tree-dfa.c (pass_referenced_vars): Adjust.
        * tree-eh.c (pass_lower_eh): Adjust.
        * tree-if-conv.c (pass_build_ssa): Adjust.
        * tree-into-ssa.c (pass_build_ssa): Adjust.
        * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
        * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
        * tree-nrv.c (pass_nrv): Adjust.
        * tree-optimize.c (pass_gimple, pass_all_optimizations,
        pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
        pass_init_datastructures): Adjust.
        * tree-outof-ssa.c (pass_del_ssa): Adjust.
        * tree-profile.c (pass_tree_profile): Adjust.
        * tree-sra.c (pass_sra): Adjust.
        * tree-ssa-alias.c (pass_may_alias): Adjust.
        * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
        * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
        * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
        * tree-ssa-dom.c (pass_dominator): Adjust.
        * tree-ssa-dse.c (pass_dse): Adjust.
        * tree-ssa-forwprop.c (pass_forwprop): Adjust.
        * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
        * tree-ssa-loop-ch.c (pass_ch): Adjust.
        * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
        pass_loop_done, pass_complete_unroll, pass_iv_canon,
        pass_iv_optimize, pass_vectorize): Adjust.
        * tree-ssa-phiopt.c (pass_phiopt): Adjust.
        * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
        * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
        pass_late_warn_uninnitialized): Adjust.
        * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.

        * Makefile.in (tree-dump.o): Add new dependencies.
        * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
        * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
        Likewise.
        * toplev.c (dump_file_name): New.
        * tree-dump.c (dump_enable_all): Add LETTER parameter.
        (struct dump_file_info): Add NUM and LETTER fields.
        (dump_files): Adjust and add RTL dump files.
        (dump_register): Add NUM and LETTER fields.
        (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
        (dump_begin): Use get_dump_file_name.
        (dump_switch_p_1): Adjust call to dump_enable_all.
        * tree-dump.h (dump_register): Adjust prototype.
        * tree-optimize.c (register_one_dump_file): Take dump file index.
        Support flags for RTL dumps.
        (register_dump_files): Fill in NUM field of struct dump_file_info.
        Track properties both when the gate is executed and when it is not.
        (execute_todo): Dump RTL.  Add PROPERTIES parameter.
        (execute_one_pass): Pass properties to execute_todo.  Handle VCG
        dumps of RTL.
        * tree-pass.h (dump_file_name): New.
        * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
        New.

        * Makefile.in (passes.o): Add new dependencies.
        * passes.c (struct dump_file_info, enum dump_file_index,
        dump_file_tbl, init_optimization_passes): Remove.
        (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
        (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
        dump_enabled_p.
        (finish_optimization_passes): Update finish_graph_dump_file loop.
        (enable_rtl_dump_file): Remove.
        * tree-dump.c (dump_files): Adjust and add RTL dump files.
        (enable_rtl_dump_file): Add here.
        * tree.h (enum tree_dump_index): Add RTL dump file indices.
        * doc/invoke.texi (Debugging options): Document new RTL debugging
        options.  Update.

2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
        gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
        stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
        tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
        tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
        tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
        tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
        vec.h: Fix comment formatting.

2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
        et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
        hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
        tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
        tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
        tree-ssa-loop-niter.c, tree-ssa-operands.c,
        tree-ssa-operands.h, tree-ssa-propagate.c,
        tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
        vec.c, vec.h: Fix comment typos.  Follow spelling conventions.

2004-09-05  Diego Novillo  <dnovillo@redhat.com>

        * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
        vectorizer is enabled.

2004-09-05  Andreas Jaeger  <aj@suse.de>

        * tree-if-conv.c: Spell check comments and clean up whitespace.

2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-ivopts.c: New file.
        * Makefile.in (tree-ssa-loop-ivopts.c): Add.
        * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
        target_pres_cost, target_spill_cost): Declare.
        * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
        spill_cost): Renamed to ...
        (target_avail_regs, target_res_regs, target_small_cost,
        target_pres_cost, target_spill_cost): ... and exported.
        (init_set_costs, global_cost_for_size): Work with renamed variables.
        * common.opt (flag_ivopts): New flag.
        * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
        REF_ORIGINAL.
        * gimplify.c (struct gimplify_ctx): Add into_ssa field.
        (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
        generating SSA form.
        (force_gimple_operand): New function.
        * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
        * tree-cfg.c (stmt_bsi): New function.
        * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
        PARAM_IV_MAX_CONSIDERED_USES): New.
        * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
        bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
        ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
        * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
        * tree-nested.c (build_addr): Export.
        * tree-optimize.c (init_tree_optimization_passes): Add
        pass_iv_optimize.
        * tree-pass.h (pass_iv_optimize): Declare.
        * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
        IMAGPART_EXPR.
        * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
        as a phi node argument.
        (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
        ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
        functions.
        * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
        * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
        pass_iv_optimize): New pass.
        * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
        * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
        * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
        * tree.h (REF_ORIGINAL): New macro.
        (build_int_cst_type, unsigned_type_for, zero_p,
        cst_and_fits_in_hwi, build_addr): Declare.
        * doc/invoke.texi (-fivopts): Document.
        (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
        PARAM_IV_MAX_CONSIDERED_USES): Document.
        * doc/passes.texi: Document induction variable optimizations pass.

2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
        * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
        * c-common.c (c_common_attribute_table): Accept parameters to
        sentinel attribute.
        (check_function_sentinel, handle_sentinel_attribute): Likewise.
        * doc/extend.texi: Update accordingly.

2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
        New.
        * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
        attribute.
        * c-common.c (handle_sentinel_attribute, check_function_sentinel):
        New functions.
        (c_common_attribute_table): Add `sentinel' attribute.
        (check_function_arguments): Handle `sentinel' attribute.
        * doc/extend.texi: Document `sentinel' attribute.

2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>

        * configure: Regenerated.

2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.

        * tree.c (save_expr): No longer TREE_READONLY.

2004-09-04  Jan Hubicka  <jh@suse.cz>

        * passes.c (rest_of_clean_state):  Fix merge conflict made during
        commiting the patch.

2004-09-04  Jan Hubicka  <jh@suse.cz>

        * passes.c (rest_of_clean_state):  Decompose the instruction stream.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

        * doc/md.texi (shift patterns): New anchor.  Add reference to
        TARGET_SHIFT_TRUNCATION_MASK.
        * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
        * target.h (shift_truncation_mask): New target hook.
        * targhook.h (default_shift_truncation_mask): Declare.
        * targhook.c (default_shift_truncation_mask): Define.
        * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
        (TARGET_INITIALIZER): Include it.
        * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
        and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
        reject all out-of-range values.  Fix sign-extension code for modes
        whose width is smaller than HOST_BITS_PER_WIDE_INT.
        * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
        (expand_superword_shift, expand_subword_shift): Likewise.
        (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
        (expand_binop): Use them to implement double-word shifts.
        * config/arm/arm.c (arm_shift_truncation_mask): New function.
        (TARGET_SHIFT_TRUNCATION_MASK): Define.

2004-09-04  Jan Hubicka  <jh@suse.cz>

        * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
        (mix): New macro copied from hashtab.c
        (iterative_hash_hashval_t, iterative_hash_pointer,
        iterative_hash_host_wide_int): New functions based on hashtab.c
        implementation.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (mask): New mode attribute.
        (zero_extendsidi2): Add memory alternative.
        (*zero_extendsidi2_mem): Delete.
        (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
        memory_operand in the TARGET_MIPS16 check.
        (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
        Redefine using :GPR and :SHORT.
        (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.

2004-09-04  Uros Bizjak  <uros@kss-loka.si>

        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
        using rint_optab.
        (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
        expand_builtin_mathfn.
        * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
        btrunc?f patterns for btrunc_optab. Implement rint_optab using
        rint?f patterns.
        * optabs.c (init_optabs): Initialize rint_optab.
        * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
        Add new OTI_rint.
        (btrunc_optab): Rename macro from trunc_optab.
        (rint_optab): Define corresponding macro.

        * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
        UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.

        * config/i386/i386-protos.h (emit_i387_cw_initialization):
        Change prototype. Add new int parameter.
        * config/i386/i386.c (emit_i387_cw_initialization):
        Handle new rounding modes.

        * config/i386/i386.h (enum fp_cw_mode): Delete.
        (MODE_NEEDED): Handle new rounding modes.
        (EMIT_MODE_SET): Change condition to handle new rounding modes.

        * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
        UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
        represent different rounding modes of frndint insn.
        (type): Add frndint type.
        (i387, length, memory): Handle this type.
        (i387_cw): New attribute definition.
        (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
        *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
        *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
        Add "i387_cw" attribute defined to "trunc".
        (x86_fnstcw_1): Remove comment.
        (*frndintxf2): Rename insn definition to frndintxf2. Move
        insn definition near rint?f2 expanders.
        (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
        rintf and rintl built-ins as inline x87 intrinsics.
        (frndintxf2_floor): New pattern to implement floor rounding
        mode with frndint x87 instruction.
        (floordf2, floorsf2, floorxf2): New expanders to implement floor,
        floorf and floorl built-ins as inline x87 intrinsics.
        (frndintxf2_ceil): New pattern to implement ceil rounding
        mode with frndint x87 instruction.
        (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
        ceilf and ceill built-ins as inline x87 intrinsics.
        (frndintxf2_trunc): New pattern to implement trunc rounding
        mode with frndint x87 instruction.
        (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
        truncf and truncl built-ins as inline x87 intrinsics.
        (frndintxf2_mask_pm): New pattern to implement rounding
        mode with exceptions with frndint x87 instruction.
        (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
        implement nearbyint, nearbyintf and nearbyintl built-ins as
        inline x87 intrinsics.

2004-09-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (SHORT): New mode macro.
        (size): New mode attribute.
        (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
        (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
        *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
        !ISA_HAS_SEB_SEH.
        (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
        *extend[qh]isi2_hw patterns and extending them to di.
        (extendqihi2): Implement as define_insn_and_split that produces
        extendqisi2 after reload.

2004-09-03  Devang Patel  <dpatel@apple.com>

        * Makefile.in (OBJS-common): Add tree-if-conv.o
        (tree-if-conv.o): New rule.
        * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
        (get_loop_body_in_bfs_order): New.
        * cfgloop.h (get_loop_body_in_bfs_order): New.
        * tree-flow.h (enum move_pos): Move here from ..
        * tree-ssa-loop-im.c (enum move_pos): here.
        (movement_possibility): Make externally visible.
        * tree-optimize.c (init_tree_optimization_passes): New entry for
        if conversion pass.
        * tree-pass.h (pass_if_conversion): New.
        * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
        * tree-if-conv.c: New file.
        * doc/passes.texi: Document tree if-conversion pass.
        * doc/tree-ssa.texi: Same.

2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/14925:
        Makefile.in (LIB2ADDEHSTATIC): New.
        (LIB2ADDEHSHARED): New.
        (LIBUNWIND): New.
        (LIBUNWINDDEP): New.
        (SHLIBUNWIND_LINK): New.
        (SHLIBUNWIND_INSTALL): New.
        (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
        LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
        (clean): Remove libunwind*
        (stage1-start): Remove and copy stage1/libunwind*.
        (stage2-start): Remove and copy stage2/libunwind*.
        (stage3-start): Remove and copy stage3/libunwind*.
   &nbs