+2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * regmove.c (perhaps_ends_bb_p): Remove.
+ (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
+ from INSN and check that the main loop stays within that basic block.
+ (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
+ (regmove_forward_pass): Split out from regmove_optimize. Use
+ FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
+ (regmove_backward_pass): Split out from regmove_optimize. Use
+ FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
+ (regmove_optimize): Simplify.
+
+2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/39545
+ * config/i386/i386.c (classify_argument): Ignore flexible array
+ member in struct and warn ABI change.
+
+2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-protos.h (ix86_agi_dependent): New.
+
+ * config/i386/i386.c (ix86_agi_dependent): Rewrite.
+ (ix86_adjust_cost): Updated.
+
+2009-03-29 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/28850
+ * tree-pass.h (pass_cleanup_eh): New function.
+ (remove_unreachable_regions): Break code handling RTL
+ to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
+ that can not be reached by runtime.
+ (can_be_reached_by_runtime): New function.
+ (label_to_region_map): New function.
+ (num_eh_regions): New function.
+ (rtl_remove_unreachable_regions): New function.
+ (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
+ (remove_eh_region): New function.
+ * except.h: Include sbitmap and vecprim.
+ (remove_eh_region, remove_unreachable_regions, label_to_region_map,
+ num_eh_regions): Declare.
+ * passes.c (init_optimization_passes): Schedule cleanup_eh.
+ * Makefile.in (EXCEPT_H): New; replace all uses of except.h
+ by it.
+ * tree-eh.c (tree_remove_unreachable_handlers): New function.
+ (tree_empty_eh_handler_p): New function.
+ (cleanup_empty_eh): New function.
+ (cleanup_eh): New function.
+ (pass_cleanup_eh): New function.
+
+2009-03-29 Jan Hubicka <jh@suse.cz>
+
+ * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
+ for removed regions.
+
+2009-03-29 Jan Hubicka <jh@suse.cz>
+
+ * except.c (dump_eh_tree): Dump all datastructures.
+
+2009-03-29 Jan Hubicka <jh@suse.cz>
+
+ * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
+ (duplicate_eh_regions_1): Likewise.
+ (duplicate_eh_regions): Likewise; cleanup code gorwing the region
+ vector; call EH verification.
+ (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
+ Be ready for region being removed.
+
+2009-03-29 Jan Hubicka <jh@suse.cz>
+
+ * bitmap.c (bitmap_last_set_bit): New function.
+ * bitmap.h (bitmap_last_set_bit): Declare.
+
+2009-03-29 David Ayers <ayers@fsfe.org>
+
+ PR objc/27377
+ * c-typeck.c (build_conditional_expr): Emit ObjC warnings
+ by calling objc_compare_types and surpress warnings about
+ incompatible C pointers that are compatible ObjC pointers.
+
+2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
+
+ * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
+ call initialize_inline_failed.
+ (initialize_inline_failed): Move it from here ...
+ * cgraph.c (initialize_inline_failed): ... to here.
+ (cgraph_create_edge): Call initialize_inline_failed rather than
+ setting inline_failed directly.
+
+2009-03-29 Ben Elliston <bje@au.ibm.com>
+
+ PR target/32542
+ * sysv4.opt (msdata): Improve comment.
+ * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
+ * sysv4.h (SVR4_ASM_SPEC): Likewise.
+
+2009-03-29 Ben Elliston <bje@au.ibm.com>
+
+ PR target/30451
+ * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
+ load and store attributes.
+
+2009-03-29 Ben Elliston <bje@au.ibm.com>
+
+ * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
+ (ix86_init_builtins): Add built-in function __builtin_huge_valq.
+ (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
+ * doc/extend.texi (X86 Built-in Functions): Add index entries for
+ __builtin_infq and __builtin_huge_valq.
+
+2009-03-28 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
+ atmega8m1 devices.
+ * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
+ * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
+
+2009-03-28 Xinliang David Li <davidxl@google.com>
+
+ * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
+ (do_dbg_cnt): New function.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ Merge from pretty-ipa:
+
+ 2009-03-27 Jan Hubicka <jh@suse.cz>
+ * cgraph.c (dump_cgraph_node): Add replace output flag by process.
+ * tree-pass.h (function_called_by_processed_nodes_p): Declare.
+ * passes.c (function_called_by_processed_nodes_p): New.
+ * ipa-pure-const.c (check_call): Fix handling of operands.
+ (analyze_function): Dump debug output for skipped bodies.
+ (local_pure_const): Use function_called_by_processed_nodes_p.
+ * dwarf2out.c (reference_to_unused): Use output.
+ * passes.c (do_per_function_toporder): Likewise.
+
+ 2008-11-12 Jan Hubicka <jh@suse.cz>
+
+ * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
+ * ipa-pure-const.c (funct_state_d): Add can throw field; make
+ state_set_in_source enum
+ (check_decl): Ignore memory tags; do not set fake looping flags;
+ dump diagnostics.
+ (check_operand, check_tree, check_rhs_var, check_lhs_var,
+ get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
+ (check_call, analyze_function): Rewrite.
+ (check_stmt): New.
+ (add_new_function): Update call of analyze_function.
+ (generate_summary): Add call of analyze_function.
+ (propagate): Propagate can_throw; handle state_set_in_source correctly.
+ (local_pure_const): New function.
+ (pass_local_pure_const): New pass.
+ * ipa-inline.c (inline_transform): Set after_inlining.
+ * tree-eh.c (stmt_can_throw_external): New.
+ * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
+ work with aliasing built.
+ * tree-flow.h (stmt_can_throw_external): New.
+ * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
+ and local pure/const pass in early and late optimization queue.
+2009-03-28 Martin Jambor <mjambor@suse.cz>
+
+ * fold-const.c (get_pointer_modulus_and_residue): New parameter
+ allow_func_align.
+ (fold_binary): Allow function decl aligment consideration is the
+ second argument is integer constant one.
+ * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
+ (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
+ with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
+ * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
+ * function.h (rtl_data): Add nothrow flag.
+ * except.c (set_nothrow_function_flags): Use crtl->nothrow;
+ set DECL_NOTHROW for AVAILABLE functions.
+
+2009-03-28 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
+ following vector keyword has expansion starting with pixel or bool
+ keyword, expand vector to __vector and pixel or bool to __pixel or
+ __bool.
+
+ PR c++/39554
+ * opts.c (warning_disallowed_functions, warn_disallowed_functions,
+ warn_if_disallowed_function_p): Removed.
+ (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
+ * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
+ warning_if_disallowed_function_p.
+ * flags.h (warn_if_disallowed_function_p,
+ warn_disallowed_functions): Removed.
+ * common.opt (Wdisallowed-function-list=): Removed.
+ * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
+
+2009-03-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/38723
+ * tree-ssa-pre.c (compute_avail): Add all default definitions to
+ the entry block.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
+ test introduced by my previous patch.
+
+2009-03-28 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
+ the PHIs value undefined.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ * tree-pass.h (pass_fixup_cfg): New pass.
+ * ipa-inline.c (inline_transform): Set
+ always_inline_functions_inlined/after_inlining.
+ * tree-optimize.c (execute_fixup_cfg): Do not set them here.
+ (pass_fixup_cfg): New pass.
+ * passes.c (init_optimization_passes): Add fixup_cfg.
+
+2009-03-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/38458
+ * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
+ argument use the arguments copy-of value.
+
+2009-03-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/38180
+ * tree-ssa-ccp.c (get_default_value): Simplify.
+ (likely_value): Likewise.
+ (surely_varying_stmt_p): Properly handle VOP case.
+ (ccp_initialize): Likewise.
+ (ccp_fold): Handle propagating through *&.
+ (fold_const_aggregate_ref): Also handle decls.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (dump_cgraph_node): Add replace output flag by process.
+ * cgraph.h (cgraph_node): Likewise.
+ * cgraphunit.c (cgraph_process_new_functions): Set process flag.
+ (cgraph_reset_node): Use process flag.
+ (cgraph_mark_functions_to_output): Likewise.
+ (cgraph_expand_function): Likewise.
+ (cgraph_expand_all_functions): Likewise.
+ (cgraph_output_in_order): Likewise.
+ * dwarf2out.c (reference_to_unused): Likewise.
+ * passes.c do_per_function_toporder): Likewise.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ Bring from lto-branch:
+ 2008-09-03 Doug Kwan <dougkwan@google.com>
+
+ * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
+ enums instead of reason strings.
+ * cgraph.c (cgraph_create_edge): Same.
+ (cgraph_inline_failed_string): New function.
+ * cgraph.h (cgraph_inline_failed_t): New enum type.
+ (cgraph_inline_failed_string): New prototype.
+ (struct cgraph_edge): Change type of INLINED_FAILED from constant
+ char pointer to cgraph_inline_failed_t.
+ (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
+ (cgraph_default_inline_p): Ditto.
+ * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
+ to cgraph_inline_failed_t pointer.
+ * cif-code.def: New file.
+ * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
+ reason string.
+ (cgraph_check_inline_limits): Change type of REASON to pointer to
+ cgraph_inline_failed_t. Replace reason strings with enums.
+ (cgraph_default_inline_p): Ditto.
+ (cgraph_recursive_inlining_p): Ditto.
+ (update_caller_keys): Change type of FAILED_REASON to
+ cgraph_inline_failed_t.
+ (cgraph_set_inline_failed): Change type of REASON to pointer to
+ cgraph_inline_failed_t. Call cgraph_inline_failed_string to
+ convert enums to strings for text output.
+ (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
+ to be of type cgraph_inline_failed_t. Replace reason strings with
+ enums. Call cgraph_inline_failed_string to covert enums
+ to strings for text output.
+ (cgraph_decide_inlining): Replace reason strings with enums.
+ (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
+ to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
+ for text output.
+ * tree-inline.c (expand_call_inline): Change type of REASON
+ to cgraph_inline_failed_t. Replace reason strings with enums.
+ Call cgraph_inline_failed_string for text output.
+ * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
+ (cgraph.o): Ditto.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
+ cgraph_clone_node): Remove master clone handling.
+ (cgraph_is_master_clone, cgraph_master_clone): Remove.
+ * cgraph.h (master_clone): Remove.
+ (cgraph_is_master_clone, cgraph_master_clone): Remove.
+ * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
+ (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (cgraph_function_body_availability): Functions declared
+ inline are always safe to assume that it is not going to be replaced.
+
+2009-03-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/38513
+ * tree-ssa-pre.c (eliminate): Remove redundant stores.
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
+ EXC_PTR_EXPR and FILTER_EXPR.
+ (get_ref_from_reference_ops): Likewise.
+
+2009-03-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/38968
+ * tree-vect-analyze.c (vect_compute_data_ref_alignment):
+ Use FLOOR_MOD_EXPR to compute misalignment.
+
+2009-03-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/37795
+ * tree.h (combine_comparisons): Declare.
+ * fold-const.c (combine_comparisons): Export.
+ * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
+ comparisons.
+ (ifcombine_iforif): Use combine_comparisons.
+
+2009-03-28 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (inlinable_call_p): New function.
+ (make_eh_edges): Use it.
+ (verify_eh_edges): Use it.
+ (stmt_can_throw_external, stmt_can_throw_internal): Use it.
+ * except.c (reachable_next_level): Add inlinable_function argument
+ (sjlj_find_directly_reachable_regions): Update.
+ (add_reachable_handler): Do not set saw_any_handlers.
+ (reachable_next_level): Handle MUST_NOT_THROW more curefully.
+ (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
+ Add new inlinable call parameter.
+ (can_throw_internal, can_throw_external): Update.
+ * except.h (can_throw_internal_1, can_throw_external_1,
+ foreach_reachable_handler): Update declaration.
+
+2009-03-28 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/t-arm-coff, config/h8300/coff.h,
+ config/i386/i386-aout.h, config/i386/i386-coff.h,
+ config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
+ config/pdp11/2bsd.h, config/rs6000/aix41.h,
+ config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
+ fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
+ scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
+ sys-types.h: Remove.
+ * Makefile.in: Remove protoize and fixproto support and references
+ in comments.
+ (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
+ PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
+ Remove.
+ (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
+ (MOSTLYCLEANFILES): Remove protoize$(exeext) and
+ unprotoize$(exeext).
+ (rest.encap): Don't depend on $(STMP_FIXPROTO)
+ (.PHONY): Don't depend on proto.
+ (libgcc-support): Don't depend on $(STMP_FIXPROTO).
+ (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
+ protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
+ deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
+ build/gen-protos.o, build/scan.o, xsys-protos.h,
+ build/fix-header$(build_exeext), build/fix-header.o,
+ build/scan-decls.o, fixhdr.ready, stmp-fixproto,
+ stmp-install-fixproto): Remove.
+ (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
+ SYSCALLS.c or fixproto files.
+ (install-common): Don't install protoize.
+ (install-headers-tar, install-headers-cpio, install-headers-cp):
+ Don't depend on $(STMP_FIXPROTO).
+ (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
+ install fixproto files or write out fixproto settings.
+ (uninstall): Don't uninstall protoize.
+ * config.gcc (use_fixproto): Remove.
+ (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
+ i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
+ rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
+ * config/m32r/t-linux (STMP_FIXPROTO): Remove.
+ * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
+ * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
+ * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
+ * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
+ * config/t-svr4 (FIXPROTO_DEFINES): Remove.
+ * config/t-vxworks (STMP_FIXPROTO): Remove.
+ * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
+ STMP_FIXPROTO): Remove.
+ * config.in, configure: Regenerate.
+ * crtstuff.c (gid_t, uid_t): Don't undefine.
+ * doc/install.texi: Change m68k-coff to m68k-elf in example.
+ (arm-*-coff, arm-*-aout: Remove target entries.
+ (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
+ Remove mention of AIX 4.1.
+ (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
+ * doc/invoke.texi (Running Protoize): Remove.
+ * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
+ (Protoize Caveats): Remove.
+ * tsystem.h: Update comments on headers assumed to exist.
+
+2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
+
+ * genautomata.c: Add a new year to the copyright. Add a new
+ reference.
+ (struct insn_reserv_decl): Add comments for member bypass_list.
+ (find_bypass): Remove.
+ (insert_bypass): New.
+ (process_decls): Use insert_bypass.
+ (output_internal_insn_latency_func): Output all bypasses with the
+ same input insn in one switch case.
+
+ * rtl.def (define_bypass): Describe bypass choice.
+ * doc/md.texi (define_bypass): Ditto.
+
+2009-03-27 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (mark_addressable): Export.
+ * tree-flow.h (mark_addressable): Declare.
+ * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
+ * tree-ssa.c (verify_phi_args): Verify that address taken
+ variables have TREE_ADDRESSABLE set.
+
+2009-03-27 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
+ (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
+ Do not mark decls TREE_ADDRESSABLE.
+ (build_fold_addr_expr): Adjust.
+ (fold_addr_expr): Remove.
+ (fold_unary): Use build_fold_addr_expr.
+ (fold_comparison): Likewise.
+ (split_address_to_core_and_offset): Likewise.
+ * coverage.c (tree_coverage_counter_addr): Mark the array decl
+ TREE_ADDRESSABLE.
+ * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
+ (gimplify_modify_expr_to_memcpy): Mark source and destination
+ addressable.
+ * omp-low.c (create_omp_child_function): Mark the object decl
+ TREE_ADDRESSABLE.
+ (lower_rec_input_clauses): Mark the var we take the address of
+ TREE_ADDRESSABLE.
+ (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/39315
+ * cfgexpand.c (expand_one_stack_var_at): Change alignment
+ limit to MAX_SUPPORTED_STACK_ALIGNMENT.
+
+2009-03-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39120
+ * tree-ssa-structalias.c (handle_rhs_call): Fill out return
+ constraints.
+ (handle_lhs_call): Process return constraints. Add escape
+ constraints if necessary.
+ (handle_const_call): Fill out return constraints. Make nested
+ case more precise. Avoid consttmp if possible.
+ (handle_pure_call): Fill out return constraints. Avoid
+ callused if possible.
+ (find_func_aliases): Simplify call handling.
+
+2009-03-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39120
+ * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
+ as a representative.
+ (solve_graph): Do propagate CALLUSED.
+ (handle_pure_call): Use a scalar constraint from CALLUSED for
+ the return value.
+ (find_what_p_points_to): CALLUSED shall not appear in poins-to
+ solutions.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR c/39323
+ * c-common.c (handle_aligned_attribute): Properly check alignment
+ overflow. Use (1U << i) instead of (1 << i).
+
+ * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
+ align.
+
+ * expr.h (get_mem_align_offset): Updated.
+
+ * tree.h (tree_decl_common): Change align to "unsigned int" and
+ move it before pointer_alias_set.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR target/38034
+ * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
+ gr_register_operand with gr_reg_or_0_operand.
+ (cmpxchg_rel_di): Likewise.
+ (sync_lock_test_and_set<mode>): Likewise.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
+ (true_regnum): Likewise.
+
+ * rtlanal.c (subreg_info): Moved to ...
+ * rtl.h (subreg_info): Here. New.
+ (subreg_get_info): New.
+
+ * rtlanal.c (subreg_get_info): Make it extern.
+
+2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/39472
+ * config/i386/i386.c (ix86_abi): New.
+ (override_options): Handle -mabi=.
+ (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
+ ix86_abi.
+ (ix86_call_abi_override): Likewise.
+ (init_cumulative_args): Likewise.
+ (function_arg_advance): Likewise.
+ (function_arg_64): Likewise.
+ (function_arg): Likewise.
+ (ix86_pass_by_reference): Likewise.
+ (ix86_function_value_regno_p): Likewise.
+ (ix86_build_builtin_va_list_abi): Likewise.
+ (setup_incoming_varargs_64): Likewise.
+ (is_va_list_char_pointer): Likewise.
+ (ix86_init_machine_status): Likewise.
+ (ix86_reg_parm_stack_space): Use enum calling_abi on
+ call_abi.
+ (ix86_function_type_abi): Return enum calling_abi. Rewrite
+ for 64bit. Replace DEFAULT_ABI with ix86_abi.
+ (ix86_function_abi): Make it static and return enum
+ calling_abi.
+ (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
+ with ix86_abi.
+ (ix86_fn_abi_va_list): Updated.
+
+ * config/i386/i386.h (ix86_abi): New.
+ (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
+ (CONDITIONAL_REGISTER_USAGE): Likewise.
+ (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
+ (machine_function): Likewise.
+
+ * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
+ with ix86_abi.
+ * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
+ (STACK_BOUNDARY): Likewise.
+ * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
+
+ * config/i386/i386.opt (mabi=): New.
+
+ * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
+ return enum calling_abi.
+ (ix86_function_type_abi): Likewise.
+ (ix86_function_abi): Removed.
+
+ * doc/invoke.texi: Document -mabi= option for x86.
+
+2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (real_dconstp): Delete.
+ (fold_builtin_logarithm): Remove inaccurate log(e) special case.
+
+2009-03-27 Dodji Seketeli <dodji@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/37959
+ * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
+ (gen_subprogram_die): When a function is explicit, generate the
+ DW_AT_explicit attribute.
+ * langhooks.h (struct lang_hooks_for_decls): Add
+ function_decl_explicit_p langhook.
+ * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
+ (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
+
+2009-03-27 Jakub Jelinek <jakub@redhat.com>
+
+ * builtins.c (fold_builtin_memory_op): Optimize memmove
+ into memcpy if we can prove source and destination don't overlap.
+
+ * tree-inline.c: Include gt-tree-inline.h.
+ (clone_fn_id_num): New variable.
+ (clone_function_name): New function.
+ (tree_function_versioning): Use it.
+ * Makefile.in (GTFILES): Add tree-inline.c.
+
+2009-03-27 Mark Mitchell <mark@codesourcery.com>
+
+ * BASE-VER: Change to 4.5.0.
+
2009-03-27 Xinliang David Li <davidxl@google.com>
PR tree-optimization/39557