-2004-09-16 Daniel Berlin <dberlin@dberlin.org>
+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
loop invariant as well.
(perfect_nestify): new function.
(gcc_loop_to_lambda_loop): New parameters to track lower bounds,
- upper bounds, and steps.
+ upper bounds, and steps.
Set outerinductionvar properly.
(gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
parameters.
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
+ Gather also strides of accessed data. Pass in the data references
array.
- (try_interchange_loops): Add a new heuristic for handling the temporal
+ (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.
* 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.
+ after propagating into an ADDR_EXPR.
2004-09-15 Andrew Pinski <apinski@apple.com>
2004-09-14 Jeff Law <law@redhat.com>
* tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
- to a global varray.
+ 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.
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
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