+2004-09-24 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ PR c/12713
+ * doc/extend.texi: Document interaction of attribute noreturn and
+ longjmp.
+
+2004-09-24 Richard Henderson <rth@redhat.com>
+
+ PR rtl-opt/17503
+ * regclass.c (subregs_of_mode): Turn into an htab. Make static.
+ (som_hash, som_eq): New.
+ (init_subregs_of_mode, record_subregs_of_mode): New.
+ (cannot_change_mode_set_regs): Rewrite for htab implementation.
+ (invalid_mode_change_p): Likewise.
+ * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
+ * flow.c (mark_used_regs): Likewise.
+ (life_analysis): Use init_subregs_of_mode.
+ * regs.h (subregs_of_mode): Remove.
+ * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
+
+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
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