2007-05-14 Dave Korn * genautomata.c (gen_regexp_el): Allocate correct size for regexp. 2007-05-14 Rafael Avila de Espindola * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for instead of c_common_unsigned_type. (c_common_unsigned_type): Remove. (shorten_compare): Use c_common_signed_or_unsigned_type instead of c_common_unsigned_type. (c_common_nodes_and_builtins): Use unsigned_type_for instead of c_common_unsigned_type. * c-common.h (c_common_unsigned_type): Remove. * c-decl.c (grokdeclarator): Use unsigned_type_for instead of c_common_unsigned_type. * c-format.c (check_format_types): Use unsigned_type_for instead of c_common_unsigned_type. * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove. * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of c_common_unsigned_type. * convert.c (convert_to_integer): Use unsigned_type_for instead of lang_hooks.types.unsigned_type. * expmed.c (make_tree): Use unsigned_type_for instead of lang_hooks.types.unsigned_type. * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of lang_hooks.types.unsigned_type. (build_range_check): Likewise. (fold_unary): Likewise. (fold_binary): Likewise. (fold_ternary): Likewise. * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove. * langhooks.h (lang_hooks_for_types): Remove unsigned_type. * tree.c (get_unsigned_type): New. (unsigned_type_for): Use get_unsigned_type instead of lang_hooks.types.unsigned_type. 2007-05-14 Kazu Hirata * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p to m68k_get_function_kind. Update its prototype. * config/m68k/m68k.c (m68k_attribute_table): Add an entry for interrupt_thread. (m68k_interrupt_function_p): Return enum m68k_function_type instead of bool. Rename to m68k_get_function_kind. (m68k_handle_fndecl_attribute): Reject interrupt_thread if the target is not fido. (m68k_compute_frame_layout): Don't mark any register for save if an interrupt_thread attribute is specified. (m68k_hard_regno_rename_ok): Update a use of m68k_interrupt_function_p. * config/m68k/m68k.h (EPILOGUE_USES): Update a use of m68k_interrupt_function_p. (m68k_function_type): New. * config/m68k/m68k.md (*return): Output a 'sleep' instruction for a function with an interrupt_thread attribute. * doc/extend.texi: Document the interrupt_thread attribute. 2007-05-13 Daniel Berlin Fix PR tree-optimization/31911 * tree-ssa-pre.c (phi_translate): Make sure to cache results even if they didn't change the expression. 2007-05-13 Zdenek Dvorak * tree-scalar-evolution.c (resolve_mixers): Exported. * tree-scalar-evolution.h (resolve_mixers): Declare. * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p, ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p, record_record_differ_p, record_array_differ_p, array_ptr_differ_p, base_object_differ_p, base_addr_differ_p, analyze_array_indexes, init_array_ref, init_pointer_ref, analyze_indirect_ref, strip_conversion, analyze_offset_expr, address_analysis, object_analysis, analyze_offset): Removed. (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias, split_constant_offset, canonicalize_base_object_address, object_address_invariant_in_loop_p, disjoint_objects_p, dr_may_alias_p, dr_address_invariant_p): New functions. (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices and dr_analyze_alias. (initialize_data_dependence_relation): Use dr_may_alias_p and object_address_invariant_in_loop_p. (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr) is chrec_dont_know. (find_data_references_in_stmt): Restrict the analysis of data references to the given loop nest. (find_data_references_in_loop): Made static. Pass loop nest to find_data_references_in_stmt. (compute_data_dependences_for_loop): Use DR_VOPS. (free_data_ref): Free DR_VOPS. * tree-data-ref.h (struct first_location_in_loop): Replaced by ... (struct innermost_loop_behavior): ... new. (struct base_object_info): Replaced by ... (struct indices): ... new. (struct dr_alias): New. (enum data_ref_type): Removed. (struct data_reference): Consist of struct innermost_loop_behavior, struct indices and struct dr_alias. (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed. (DR_MEMTAG): Renamed to ... (DR_SYMBOL_TAG): ... this. (find_data_references_in_loop): Declaration removed. * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL. (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG. * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto. 2007-05-13 Revital Eres * tree-ssa-dse.c (get_use_of_stmt_lhs): New function which walks virtual def-use chains to find redundant stores. (dse_optimize_stmt): Call it. 2007-05-12 Steven Bosscher * gcse.c (gcse_main): Do jump bypassing in CPROP2. * passes.c (init_optimization_passes): Move pass_jump_bypass after loop2. * basic-block.h (bb_has_eh_pred): Fix style issue. 2007-05-12 Steven Bosscher PR rtl-optimization/31848 * loop-invariant.c (move_invariant_reg): If we move an insn with a REG_EQUAL note, and that insn is not always executed, remove the REG_EQUAL note. 2007-05-12 Richard Guenther PR tree-optimization/31797 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not propagate into a stmt that has volatile ops. 2007-05-12 Richard Sandiford * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix). (gcc_tooldir): Likewise. * configure: Regenerate. * Makefile.in (libsubdir_to_prefix): New variable, based on the old configure.ac gcc_tooldir setting. (prefix_to_exec_prefix): New variable. (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix) rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX. 2007-05-11 Silvius Rus * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o. * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic. * c-common.h (strict_aliasing_warning): Change return type. * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing. * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning. (build_c_cast): Condition call to strict_aliasing_warning. * doc/invoke.texi: Update description of -Wstrict-aliasing[=n]. * flags.h (set_Wstrict_aliasing): Declare. * opts.c (set_Wstrict_alising): Define, add call to. * tree-flow.h (strict_aliasing_warning_backend): Declare. * tree-ssa-alias-warnings.c: New file. * tree-ssa-alias.c (compute_may_aliases): Add call to strict_aliasing_warning_backend. 2007-05-11 Zdenek Dvorak * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops): Use loop_depth and loop_outer accessor functions. * tree-ssa-loop-im.c (outermost_invariant_loop, set_level, determine_invariantness_stmt, move_computations_stmt): Ditto. * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path, add_loop, loopify, unloop, fix_loop_structure): Ditto. * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto. * tree-scalar-evolution.c (interpret_loop_phi, compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop, instantiate_parameters_1, scev_const_prop): Ditto. * cfghooks.c (make_forwarder_block): Ditto. * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto. * modulo-sched.c (loop_canon_p): Ditto. * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p): Ditto. * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto. * tree-cfg.c (tree_duplicate_sese_region): Ditto. * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit, cancel_loop, verify_loop_structure): Ditto. (flow_loop_nested_p, superloop_at_depth, flow_loop_free, add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the superloops vector instead of "pred" array. (establish_preds): Take father loop as an argument. Initialize the superloops vector. (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not initialize loop->outer. (flow_loop_tree_node_remove): Truncate the superloops vector. * cfgloop.h (struct loop): Removed field "outer", fields "depth" and "pred" merged to "superloops" vector. (loop_depth, loop_outer): New. (fel_init): Use loop_outer. 2007-05-11 Jan Hubicka * cgraphunit.c: Include gt-cgraphunit.h (static_ctors, static_dtors): New static vars. (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions, based on implementation in c-common.c (cgraph_finalize_function): Call record_cdtor_fn. (cgraph_optimize): Call cgraph_build_cdtor_fns. * decl.c (finish_function): Do not call c_record_cdtor_fn. (c_write_global_declarations): Do not call c_build_cdtor_fns. * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn, build_cdtor, c_build_cdtor_fns): Remove. * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn, c_build_cdtor_fns): Remove prototype. 2007-05-11 Paolo Carlini PR other/31852 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE. * builtins.def: Add BUILT_IN_MEMCHR, use the latter. * builtins.c (fold_builtin_memchr): New. (expand_builtin_memchr): Call the latter. (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR. * doc/extend.texi ([Other built-in functions provided by GCC]): Document memchr. 2007-05-11 Andreas Krebbel * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM, PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF, PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT, PFPO_OP1_TYPE_SHIFT): Constants added. (DFP_ALL): Mode macro defined. ("*trunc2", "*trunc2", "*extend2", "*extend2"): Insn definitions added. ("trunc2", "trunc2", "extend2", "extend2"): Expanders added. 2007-05-10 Zdenek Dvorak PR tree-optimization/31885 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE to be undetermined. (automatically_generated_chrec_p): Return false for NULL. 2007-05-08 Bernd Schmidt * config/bfin/bfin.h (MOVE_RATIO): Define. 2007-05-10 Richard Sandiford * config.gcc (sparc-wrs-vxworks): New target. * config/sparc/vxworks.h, config/sparc/t-vxworks: New files. * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare. * config/sparc/sparc.h: Include vxworks-dummy.h. (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to include LABEL_REFs too. * config/sparc/sparc.c (sparc_expand_move): Don't assume that _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on VxWorks. (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs on VxWorks. (load_pic_register): Use gen_vxworks_load_got for VxWorks. (sparc_emit_call_insn): New function. (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding functions when generating VxWorks PIC. * config/sparc/sparc.md (vxworks_load_got): New pattern. (call, call_value): Use sparc_emit_call_insn instead of emit_call_insn. 2007-05-09 Bob Wilson * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if. 2007-05-09 Bob Wilson * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double instead of operand_subword. 2007-05-08 Bernd Schmidt * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define. * config/bfin/bfin.c (bfin_local_alignment): New function. * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it. 2007-05-08 Chao-ying Fu * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document. * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes. (smsub_widen_optab, umsub_widen_optab): Define. * optabs.c (init_optabs): Initialize smsub_widen_optab and umsub_widen_optab. * genopinit.c (optabs): Fill in smsub_widen_optab and umsub_widen_optab. * expr.c (expand_expr_real_1): Try to use smsub_widen_optab and umsub_widen_optab to implement multiply-subtract sequences. * config/mips/mips.md (*msac_di): Rename to... (msubsidi4): ...this. Extend condition to include GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint of operand 0 to "ka" and use the three-operand form of msub for TARGET_DSPR2. * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert to define_expands. 2007-05-08 Kaz Kojima PR rtl-optimization/28011 * reload.c (push_reload): Set dont_share if IN appears in OUT also when IN is a PLUS rtx. (reg_overlap_mentioned_for_reload_p): Return true if X and IN are same PLUS rtx. 2007-05-08 Kazu Hirata * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't call unshare_all_decls. (unshare_all_rtl): Adjust the call to unshare_all_rtl_1. (unshare_all_decls): Remove. 2007-05-08 Simon Martin PR 31847 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree dumps. 2007-05-08 Sandra Loosemore Nigel Stephens * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC. Update comments and all uses. (MIN_FPRS_PER_FMT): Define. * config/mips/mips.c (function_arg): Fix to correctly handle the -mips32r2 -mfp64 -mabi=32 case. (override_options): Enable use of odd-numbered registers for SFmode values on MIPS32. (mips_save_reg_p): Save whole floating-point register pair if either half is used. (compute_frame_size): Fix comment. 2007-05-08 Jie Zhang * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third argument of type bool. * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth argument. Safely select temporary P register according to it. (do_link): Change call site of add_to_reg accordingly. (do_unlink): Add epilogue_p as a fourth argument and pass it to add_to_reg. (expand_interrupt_handler_epilogue): Change call of do_unlink accordingly. (bfin_expand_prologue): Add a third argument sibcall_p. * config/bfin/bfin.md (epilogue): Change call of bfin_expand_epilogue accordingly. (sibcall_epilogue): Likewise. (eh_return_internal): Likewise. * config/bfin/bfin-protos.h (enum bfin_cpu): Add BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561. * config/bfin/bfin.c (bfin_handle_option): Handle -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561. * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Support bf534, bf536 and bf561. * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim. 2007-05-08 Uros Bizjak PR target/31854 * config/i386/i386.c (ix86_function_regparm): Process local functions only when TREE_CODE (decl) equals FUNCTION_DECL. 2007-05-07 Mike Stump * doc/invoke.texi (Warning Options): Document that -Wempty-body also checks for and while statements in C++. 2007-05-07 Nathan Froyd * gcc.c (at_file_supplied): New variable. (main): Set it if we expanded argv. (do_spec_1): Pass an @-file to the linker if we were called with an @-file argument and HAVE_GNU_LD. * collect2.c (at_file_supplied): New variable. (response_file): New variable. (collect_exit): Unlink response_file if necessary. (handler): Likewise. (do_wait): Likewise. (main): Set at_file_supplied if we expanded argv. (collect_execute): Pass an @-file to subprocesses if we were called with an @-file argument. * configure.ac: Add define for HAVE_GNU_LD. * configure: Regenerate. * config.in: Regenerate. 2007-05-07 Naveen.H.S * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd operand to HI mode. (mulsi3): New. (divsi3): New. (udivsi3): New. 2007-05-07 Jayant Sonar * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define. (TARGET_ENCODE_SECTION_INFO): Re-define. (m32c_encode_section_info): New (function_vector_handler): New (current_function_special_page_vector): New (m32c_special_page_vector_p): New. * config/m32c/m32c-protos.h (m32c_special_page_vector_p): Prototype. * config/m32c/jump.md: Added instruction JSRS for functions with attribute "function_vector". * doc/extend.texi (function_vector): Added description for M16C, M32C targets. 2007-05-07 DJ Delorie PR 31794 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3, ashrpsi3, lshrpsi3): Update shift count constraint. 2007-05-07 Danny Smith Nathan Froyd PR 22133 * c-incpath.c (add_path): Strip trailing path separators. 2007-05-07 Eric Botcazou * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered. Free dominance info before purging EH edges. (eliminate_degenerate_phis): Likewise. (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1. 2007-05-07 Jan Hubicka * gimplify.c (gimplify_expr): Do not crash when folding (void *)(int)&a + 4. 2007-05-07 Francois-Xavier Coudert PR driver/31694 * c-opts.c (lang_fortran): Make it non static. * c-common.h (lang_fortran): New prototype. * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the -lang-fortran option was passed by the driver. 2007-05-06 Eric Botcazou * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead of ASSERT_CHECKING. Tweak message. 2007-05-06 Revital Eres PR 30957 * loop-unroll.c (insert_var_expansion_initialization): Initialize the expansions with -zero instead of +zero. 2007-05-05 Aurelien Jarno * config/pa/pa.md: Split tgd_load, tld_load and tie_load into pic and non-pic versions. Mark r19 as used for tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used for tgd_load, tld_load and tie_load . * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic version of tgd_load, tld_load and tie_load depending on the value of flag_pic. 2007-05-04 Ulrich Drepper Jakub Jelinek * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro. (__do_global_dtors_aux): Use more paranoid loop to run destructors if HIDDEN_DTOR_LIST_END. (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END. 2007-05-04 Jakub Jelinek * varasm.c (align_variable): Don't increase alignment for DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through DATA_ALIGNMENT or CONSTANT_ALIGNMENT. 2007-05-04 Josh Conner * basic-block.h (cdi_direction): Assign values to all enumeration constants. (dom_computed): Remove. (dom_info_state): New. (set_dom_info_availability): New. * tree-ssa-loop-im.c (determine_invariantness): Initialize walk_data.dom_direction. * cfghooks.c (delete_basic_block): Use dom_info_available_p() instead of dom_computed[]. (split_edge): Likewise. (create_basic_block): Likewise. (merge_blocks): Likewise. * ifcvt.c (find_if_header): Likewise. * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise. * tree-ssa-dce.c (remove_dead_stmt): Likewise. * tree-ssa.c (verify_ssa): Likewise. * tree-cfg.c (tree_verify_flow_info): Likewise. (remove_edge_and_dominated_blocks): Likewise. * dominance.c (dom_computed): Make static. (calc_dfs_tree_nonrec): Change third param to a bool. (calc_dfs_tree): Change second param to a bool. (calc_idioms): Change second param to a bool. Use dom_convert_dir_to_idx. (init_dom_info): Validate dir before using. (dom_convert_dir_to_idx): New. (calculate_dominance_info): Use dom_convert_dir_to_idx. New variable 'reverse' used for calling calc_dfs_tree and calc_idoms. (free_dominance_info): Use dom_convert_dir_to_idx. (get_immediate_dominator): Likewise. (set_immediate_dominator): Likewise. (get_dominated_by): Likewise. (redirect_immediate_dominators): Likewise. (nearest_common_denominator): Likewise. (dominated_by_p): Likewise. (bb_dom_dfs_in): Likewise. (bb_dom_dfs_out): Likewise. (recount_dominator): Likewise. (iterate_fix_dominators): Likewise. (add_to_dominance_info): Likewise. (delete_from_dominance_info): Likewise. (first_dom_son): Likewise. (next_dom_son): Likewise. (dom_info_available_p): Likewise. (dom_info_state): New. (set_dom_info_availability): New. 2007-05-04 Andreas Krebbel * config/s390/s390.md ("fix_truncdi2", "fix_truncsi2"): Expander removed. ("fix_trunc2"): Expander added. 2007-05-04 Bob Wilson * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete. (subdi3, subdi_carry): Delete. 2007-05-04 Jan Hubicka Richard Guenther * opts.c (decode_options): Do not fiddle with inlining parameters in case of optimizing for size. * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing for size do nothing. (cgraph_decide_inlining_of_small_function): When optimizing for size never inline functions increasing caller size. (cgraph_early_inlining): Inline for size when optimizing for size. 2007-04-18 Bernd Schmidt * config/bfin/bfin.md (di3): Now a define_expand which expands logical operations piecewise. (di_zesidi_di, di_sesidi_di, negdi2, one_cmpldi2, zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi, subdi_sesidi_di): Delete. (add_with_carry): Produce carry in CC instead of a DREG to shorten the generated sequence. Allow three-reg add in constraints. Rewrite the rtl expression for carry to avoid zero_extend of a constant. (sub_with_carry): New pattern. (adddi3, subdi3): Change into define_expand. For subtract, generate a different sequence not involving jumps. (notbi): Now a named pattern. 2007-05-04 Bradley Lucier * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]: Add the note about a significant loss of accuracy of some mathematical routines when these options are used. 2007-05-04 Maxim Kuvyrkov * haifa-sched.c (rtx_vec_t): New typedef. (contributes_to_priority_p): Extract piece of priority () into new static function. (priority): Use the function. Add assertion. (rank_for_schedule, set_priorities): Add assertion to check that insn's priority is initialized. (clear_priorities, calc_priorities): Change signature. Make it update all relevant insns. Update all callers ('add_to_speculative_block ()' and 'create_block_check_twin ()'). * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'. Add new field 'priority_status'. (INSN_PRIORITY_STATUS): New macro. (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS. 2007-05-04 Maxim Kuvyrkov * sched-ebb.c (debug_ebb_dependencies): New static function. (init_ready_list): Use it. * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()' with changed signature and 'debug_rgn_dependencies ()'. (debug_rgn_dependencies): New static function. (init_ready_list): Use it. * sched-int.h (debug_dependencies): Declare. 2007-05-04 Andreas Krebbel * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section. 2007-05-04 Dirk Mueller * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++. 2007-05-03 Jan Hubicka * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y), for pointer type in more cases than before. * gimplify.c (gimplify_expr): Fold (void *)&a + 4. * tree-object-size.c (plus_expr_object_size): When operand size is unknown, return unknown. 2007-05-03 Dirk Mueller * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove. * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated options. * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove. 2007-05-03 Janis Johnson * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors. 2007-05-03 Joseph Myers * config/soft-fp/double.h, config/soft-fp/extended.h, config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c, config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c, config/soft-fp/op-2.h, config/soft-fp/op-4.h, config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from glibc CVS. 2007-05-03 Ian Lance Taylor * config/rs6000/rs6000.c (rs6000_override_options): Don't set MASK_PPC_GFXOPT for 8540 or 8548. 2007-05-03 Uros Bizjak * tree-vect-transform.c (vect_update_inits_of_drs): Use vect_print_dump_info() to output debug information. 2007-05-03 Uros Bizjak PR target/31768 * config/i386/i386.c (print_operand) ['z']: Output 'w' for operands of size 2 when operand is not MEM_P. 2007-05-03 Zdenek Dvorak PR tree-optimization/30565 * lambda-code.c (perfect_nestify): Fix updating of dominators. 2007-05-03 Bernd Schmidt * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns. (umulsi3_highpart): Use them. * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move for final accumulator to D regisster tranfser. 2007-05-03 Dorit Nuzman PR tree-optimization/31699 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong code. (vect_enhance_data_refs_alignment): Compute peel amount using TYPE_VECTOR_SUBPARTS instead of vf. * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise. 2007-05-02 Brooks Moses PR bootstrap/31776 * system.h: Remove inclusion of double-int.h * tree.h: Include double-int.h * gengtype.c: Likewise * cfgloop.h: Likewise * Makefile.in: Adjust dependencies on double-int.h 2007-05-02 Eric Christopher * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate -shared to -Zdynamiclib. 2007-05-02 Seongbae Park PR c++/31663 * c-common.c (strip_pointer_or_array_types): New function. * c-common.h (strip_pointer_or_array_types): New function declaration. 2007-05-03 Zdenek Dvorak PR tree-optimization/31771 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index. 2007-05-02 Paul Brook * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow. 2007-05-02 Andrew Pinski PR middle-end/29715 * fold-const.c (fold_comparision): Remove the "foo++ == CONST" transformation. 2007-05-02 Nick Clifton * config/frv/predicates.md (symbolic_operand): Accept CONSTs. 2007-05-02 Richard Guenther PR tree-optimization/31146 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New argument, single_use_p. If we have a single use that is a conversion to the definition rhs type, propagate that rhs. (forward_propagate_addr_expr): Pass single_use_p argument to forward_propagate_addr_expr_1. 2007-05-01 H.J. Lu * config/i386/i386.c (ix86_expand_sse_comi): Remove unused variable. 2007-05-01 Dwarakanath Rajagopal * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of 'AMD Family 10 core'. 2007-05-01 Dwarakanath Rajagopal * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3 and athlon64-sse3 as improved versions of k8, opteron and athlon64 with SSE3 instruction set support. * doc/invoke.texi: Likewise. 2007-05-01 Dwarakanath Rajagopal * config/i386/i386.c (override_options): Tuning 32-byte loop alignment for amdfam10 architecture. Increasing the max loop alignment to 24 bytes. 2007-05-01 Kazu Hirata * config/m68k/constraints.md: New. * config/m68k/m68k.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Remove. * config/m68k/m68k.md: Include constraints.md. * expr.c (expand_expr_real_1): Copy DECL_RTL before using it. 2007-05-01 Ian Lance Taylor PR tree-optimization/31739 * tree-vrp.c (vrp_val_is_max): New static function. (vrp_val_is_min): New static function. (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than copying the node. (set_value_range): Use vrp_val_is_{max,min}. (extract_range_from_assert): Likewise. (extract_range_from_binary_expr): Likewise. (extract_range_from_unary_expr): Likewise. (dump_value_range, vrp_meet): Likewise. (vrp_visit_phi_node): Likewise. * tree.c (build_distinct_type_copy): Revert change of 2007-04-27. 2007-05-01 Mark Mitchell * config/i386/gmon-sol2.c (size_t): New type. (intptr_t): Likewise. (s_textsize): Declare as size_t. (sbrk): Declare. (monstartup): Use size_t for sizes. (_mcount): Save and restore registers. (internal_mcount): Pass 0 as the first argument to monstartup in 64-bit mode. (moncontrol): Convert pointer to appropriately sized integer before passing to profil. 2007-05-01 Joseph Myers * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if __NO_FPRS__, not just if _SOFT_DOUBLE. * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise. * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord also for E500 double. * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt, suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT && !TARGET_FPRS). 2007-05-01 Richard Guenther * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt is NULL. 2007-05-01 Joseph Myers * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo. 2007-05-01 Jan Hubicka * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is invariant. 2007-05-01 Jan Hubicka * tree.h (maybe_fold_offset_to_component_ref): Remove. (maybe_fold_offset_to_reference): Declare. * fold-const.c (fold_unary): Do not fold (type *)&A into &A->field_of_type_and_offset_0 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type size is unknown, give up. (maybe_fold_offset_to_component_ref): Ignore firelds with unknown offsets. (maybe_fold_offset_to_reference): New. (maybe_fold_stmt_indirect): Use it. (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset. * gimplify.c (gimplify_conversion): Canonicalize conversions to field references. (gimplify_expr): Likewise for plus_expr. 2007-05-01 Zdenek Dvorak * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use bsi_after_labels. Always insert statements before bsi. * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto. * predict.c (apply_return_prediction): Check for empty blocks. * cfgexpand.c (lab_rtx_for_bb): New variable. (label_rtx_for_bb): Do not create new tree labels. (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb. (tree_expand_cfg): Initialize lab_rtx_for_bb. * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after creating edges. (label_for_bb): Add field used. (update_eh_label, main_block_label): Mark the label used. (cleanup_dead_labels): Remove unused labels. 2007-05-01 Richard Guenther * tree-vrp.c (set_value_range): Do not allocate equiv bitmap if it is not about to be set. (get_value_range): Do not pre-allocate equiv bitmap. (update_value_range): No need to clear equiv field. (add_equivalence): Change prototype to get bitmap pointer. Allocate bitmap here if it is not already. (extract_range_from_assert): Do not allocate bitmap here. Update callers to add_equivalence. (extract_range_from_ssa_name): Likewise. (get_vr_for_comparison): New static helper. (compare_name_with_value): Handle NULL equiv bitmap by peeling the first iteration of the comparison loop. Use get_vr_for_comparison. (compare_names): Handle NULL equiv bitmaps by using fake ones. Use get_vr_for_comparison. 2007-04-30 Brooks Moses * double-int.c (mpz_set_double_int): Moved from tree-ssa-loop-niter.c. (mpz_get_double_int): Likewise; also, add option to wrap out-of-range integers. * double-int.h: New prototypes for above. * tree.c (get_static_type_bounds): Moved from tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.. * tree.h: New prototype for above. * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and get_type_bounds calls. (mpz_set_double_int): Move to double-int.c. (get_type_bounds): Move to tree.c, rename to get_static_type_bounds. (mpz_to_double_int): Move to double-int.c, rename to mpz_get_double_int. 2007-04-30 Bob Wilson * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that DIV0 exception can fall through to a normal return. 2007-04-30 Alexandre Oliva PR middle-end/22156 Temporarily revert: 2007-04-06 Andreas Tobler * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift. 2007-04-05 Alexandre Oliva * tree-sra.c (try_instantiate_multiple_fields): Needlessly initialize align to silence bogus warning. 2007-04-05 Alexandre Oliva * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove all_no_warning. (struct sra_walk_fns): Remove use_all parameter from use. (sra_hash_tree): Handle BIT_FIELD_REFs. (sra_elt_hash): Don't hash bitfld blocks. (sra_elt_eq): Skip them in parent compares as well. Handle BIT_FIELD_REFs. (sra_walk_expr): Don't maintain or pass down use_all_p. (scan_use): Remove use_all parameter. (scalarize_use): Likewise. Re-expand assignment to BIT_FIELD_REF of gimple_reg. De-scalarize before input or output, and re-scalarize after output. Don't mark anything for no warning. (scalarize_ldst): Adjust. (scalarize_walk_gimple_modify_statement): Likewise. (build_element_name_1): Handle BIT_FIELD_REFs. (instantiate_element): Don't warn for any element whose parent is used as a whole. (instantiate_missing_elements_1): Return the sra_elt. (canon_type_for_field): New. (try_instantiate_multiple_fields): New. (instantiate_missing_elemnts): Use them. (mark_no_warning): Removed. (generate_one_element_ref): Handle BIT_FIELD_REFs. (REPLDUP, sra_build_elt_assignment): New. (generate_copy_inout): Use them. (generate_element_copy): Likewise. Handle bitfld differences. (generate_element_zero): Don't recurse for blocks. Use sra_build_elt_assignment. (generate_one_element_int): Take elt instead of var. Use sra_build_elt_assignment. (generate_element_init_1): Adjust. (scalarize_use, scalarize_copy): Use REPLDUP. (scalarize_ldst): Move assert before dereference. (dump_sra_elt_name): Handle BIT_FIELD_REFs. 2007-04-30 Andrew Pinski PR C++/31721 * tree.c (reconstruct_complex_type): Reconstruct a reference correctly. Also use the same mode for the pointer as the old pointer type. 2007-04-30 Francois-Xavier Coudert * doc/trouble.texi (Interoperation): Remove note about Ultrix Fortran compiler. 2007-04-29 Zdenek Dvorak PR rtl-optimization/31676 * df-scan.c (record_nonlocal_goto_receiver_defs): New function. (df_refs_record): Call it. 2007-04-29 Bernd Schmidt * rtl.def (SS_ABS): New code. * config/bfin/bfin.c (print_operand): New modifier 'v'. (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32, BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32, BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32. (bfin_init_builtins): Define them. (bdesc_1arg, bdesc_2arg): Add some of them here, ... (bfin_expand_builtin): ... and handle the others here. * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3, flag_mul_macv2hi_parts_acconly_andcc0): New patterns. (ss_absv2hi2): Renamed from absv2hi; use ss_abs code. (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count operand is only HImode. 2007-04-29 Steven Bosscher * regclass.c (scan_one_insn): Remove splitting of two address insns. 2007-04-28 Sandra Loosemore Nigel Stephens * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16. 2007-04-28 Jan Hubicka * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use insn_locators_alloc instead of insn_locators_initialize; call reset_block_changes. * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise. * config/sh/sh.c (sparc_output_mi_thunk): Likewise. * config/is64/ia64.c (ia64_output_mi_thunk): Likewise. * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise. * config/score/score.c (th_output_mi_thunk): Likewise. * config/mips/mips.c (mips_output_mi_thunk): Likewise. * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block): tolerate uninitialized locator info. Re-apply: * function.c (init_function_start): Don't init line number info. (expand_function_end): Update. (reset_block_changes, record_block_change, finalize_block_changes, check_block_change, free_block_changes): Kill. * function.h (reset_block_changes, record_block_change, finalize_block_changes, check_block_change, free_block_changes): Remove prototypes. (struct function): Remove ib_boundaries_block. * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw): Use curr_insn_locator to initialize locator. (emit_line_note): Remove. * cfgexpand.c (expand_gimple_cond_expr): Update. (construct_exit_block): Likewise. (tree_expand_cfg): Initialize/finalize locators. * expr.c (expand_expr_real): Update. * cfglayout.c (line_locators_locs, line_locators_lines, file_locators_locs, file_locators_files): Remove. (set_block_levels): Move to cfgexpand.c. (insn_locators_initialize): Remove. (pass_insn_locators_initialize): Remove. (locations_locators_locs, locations_locators_vals): New static vars. (curr_location, last_location, curr_block, last_block, curr_rtl_loc): Likewise. (insn_locators_alloc, insn_locators_finalize, set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): New functions. (locator_location): New. (locator_line, locator_file): Rewrite. * rtl.h (emit_line_note): Kill. (insn_locators_alloc, insn_locators_finalize, set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): Declare. * tree-inline.c (initialize_cfun): Do not initialize ib_boundaries_block. * passes.c (pass_insn_locators_initialize): Remove. 2007-04-28 Zdenek Dvorak * tree-cfg.c (move_block_to_fn): Release bb from dominance info. Update last_basic_block correctly. 2007-04-27 Kaz Kojima PR target/31701 * config/sh/sh.c (output_stack_adjust): Avoid using the frame register itself to hold the offset constant. Tell flow the use of r4 and r5 when they are used. 2007-04-27 Richard Guenther * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track if we simplified anything. (tree_ssa_forward_propagate_single_use_vars): Defer overflow warnings until we did a simplification and the stmt was not marked as TREE_NO_WARNING. 2007-04-27 Mike Stump * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove. 2007-04-27 Ian Lance Taylor PR middle-end/31710 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or TYPE_MAX_VALUE exist, convert them to the new type. 2007-04-27 Zdenek Dvorak * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info if it claims to be available. * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when edge is redirected. (perform_tree_ssa_dce): Always free postdominators. 2007-04-27 Richard Henderson * config/alpha/predicates.md (aligned_memory_operand): Mark as define_special_predicate. (unaligned_memory_operand, normal_memory_operand): Likewise. (reg_or_unaligned_mem_operand): Remove. (any_memory_operand): Match the documentation and check for non-renumbered pseudos during reload. * config/alpha/alpha.c (alpha_secondary_reload): Rename from alpha_secondary_reload_class, update to new interface, make static. Handle CQImode like HImode. Remove FP subreg check. (alpha_expand_mov): Use replace_equiv_address. (alpha_expand_mov_nobwx): Use any_memory_operand. (TARGET_SECONDARY_RELOAD): New. * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove. (SECONDARY_OUTPUT_RELOAD_CLASS): Remove. * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ... * config/alpha/alpha.md: ... here. (RELOAD12, reloadmode): New. (movcqi): New. (reload_in): Macro-ize from reload_inqi, reload_inhi. Don't handle the aligned case here. (reload_out): Macro-ize from reload_outqi, reload_outhi. (reload_in_aligned): Macro-ize from reload_inqi_help, reload_inhi_help. Don't expect a scratch register. (reload_out_aligned): Macro-ize from reload_outqi_help, reload_outhi_help. * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove. 2007-04-27 Richard Guenther * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo. 2007-04-27 Richard Guenther PR tree-optimization/30965 PR tree-optimization/30978 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H). * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove. (find_equivalent_equality_comparison): Likewise. (simplify_cond): Likewise. (get_prop_source_stmt): New helper. (get_prop_dest_stmt): Likewise. (can_propagate_from): Likewise. (remove_prop_source_from_use): Likewise. (combine_cond_expr_cond): Likewise. (forward_propagate_comparison): New function. (forward_propagate_into_cond): Rewrite to use fold for tree combining. (tree_ssa_forward_propagate_single_use_vars): Call forward_propagate_comparison to propagate comparisons. 2007-04-27 Richard Guenther PR tree-optimization/31715 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure to do computation on the offset in an appropriate signed type. 2007-04-27 Richard Sandiford * reload.h (elimination_target_reg_p): Declare. * reload.c (find_reloads): Don't apply the reg_rtx move optimization if the SET_DEST satisfies elimination_target_reg_p. * reload1.c (elimination_target_reg_p): New function. (gen_reload): In the move/add2 fallback, make sure that op0 does not overlap the destination register. 2007-04-27 Zdenek Dvorak * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to transform only GIMPLE_MODIFY_STMTs. * tree-complex.c (expand_complex_operations_1): Ditto. (expand_complex_div_wide): Do not create gotos in COND_EXPR branches. * tree-ssa-loop-manip.c (build_if_stmt): Removed. (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR branches. * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2, tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto. * omp-low.c (expand_parallel_call, expand_omp_for_generic, expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto. * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes, slpeel_add_loop_guard): Ditto. * tree-mudflap.c (mf_build_check_statement_for): Ditto. * lambda-code.c (perfect_nestify): Ditto. * tree-iterator.c (tsi_split_statement_list_before): Fix splitting before the first statement. * tree-optimize.c (execute_free_datastructures): Fix comments. (execute_free_cfg_annotations): Do not call disband_implicit_edges. * tree-flow.h (disband_implicit_edges): Declaration removed. * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR branches. (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs without gotos. (disband_implicit_edges, has_label_p): Removed. (tree_verify_flow_info): Verify that COND_EXPR branches are empty. (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR branches. * tree.c (build3_stat): Mark COND_EXPRs used as statements as having side effects. * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges also for COND_EXPRs. * cfgexpand.c (label_rtx_for_bb): New function. (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches. Use label_rtx_for_bb to find the labels. (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the last block. Detect fallthru edges. 2007-04-26 Ian Lance Taylor PR target/28675 * reload.c (find_reloads_subreg_address): If the address was valid in the original mode but not in the new mode, reload the whole address. 2007-04-27 Zdenek Dvorak * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable. (remove_fallthru_edge): Use remove_edge_and_dominated_blocks. (cleanup_control_expr_graph): Do not invalidate dominance info. Record altered blocks. (cleanup_control_flow, cleanup_forwarder_blocks): Removed. (cleanup_control_flow_bb, split_bbs_on_noreturn_calls, cleanup_tree_cfg_bb): New functions. (remove_forwarder_block): Do not maintain the worklist of blocks. Record altered blocks. (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs, not over whole cfg. (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call delete_unreachable_blocks if dominators are not available. * tree-inline.c (optimize_inline_calls): Free dominance information earlier. * tree-flow.h (remove_edge_and_dominated_blocks, cfgcleanup_altered_bbs): Altered. * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered blocks. (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New functions. (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks, do not invalidate dominators. 2007-04-26 Anatoly Sokolov * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture. * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). 2007-04-26 Steve Ellcey * config/ia64/ia64.md (ip_value): Fix itanium_class attribute. 2007-04-26 Richard Guenther PR tree-optimization/31703 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use the right type for the target of the bittest. 2007-04-26 Richard Sandiford * config/i386/vx-common.h (RETURN_IN_MEMORY): Use ix86_sol10_return_in_memory. 2007-04-26 Richard Sandiford * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused variables. 2007-04-26 Jakub Jelinek PR c++/31598 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE. PR tree-optimization/30558 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW clear this_state.prev_try. 2007-04-26 Richard Sandiford Mark Mitchell * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare. * config/i386/i386.c (ix86_sol10_return_in_memory): New function. * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it. 2007-04-26 Richard Sandiford PR driver/31107 * doc/invoke.texi (%:print-asm-header): Document. * gcc.c (asm_options): Use %:print-asm-header() for --target-help and -ftarget-help. (static_spec_functions): Add print-asm-header. (main): Print a banner before the --target-help linker options. (print_asm_header_spec_function): New function. 2007-04-25 Kaz Kojima PR target/31403 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A. (movsf_ie): Likewise. 2007-04-25 Paolo Carlini * doc/extend.texi ([Type Traits]): Adjust per N2255. 2007-04-25 Bob Wilson * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception for divide-by-zero. (__umodsi3, __modsi3): Likewise. 2007-04-25 Dirk Mueller * c-typeck.c (build_compound_expr): Annotate warning() call with OPT_Wunused_value. * tree-ssa.c (warn_uninit): Annotate warning with OPT_Wunintialized. * c-common.c (handle_sentinel_attribute): Annotate warning call with OPT_Wattributes. 2007-04-25 Thiemo Seufer * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options. (mips16): Fix typo. * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx on to the assembler. Improve handling of -mno-mips16. Add handling of -mno-mips3d, -mno-dsp, -mno-dspr2. * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx, -mno-mdmx, -mno-mips3d, -mmt and -mno-mt. 2007-04-25 Danny Smith PR target/31680 * config/i386/winnt.c (i386_pe_file_end): Strip only USER_LABEL_PREFIX when writing export name. 2007-04-25 Richard Sandiford * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include sh/elf.h, vx-common.h and vxworks.h. * config/sh/sh.h: Include config/vxworks-dummy.h. (SUBTARGET_OVERRIDE_OPTIONS): Define. (OVERRIDE_OPTIONS): Use it. * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs. (vxworks_picreg): New pattern. * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use VXWORKS_OS_CPP_BUILTINS. (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their VXWORKS_* equivalents. (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define. (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define. * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC. (set_fpscr, ic_invalidate): Add VxWorks PIC sequences. * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and -mrtp/-fPIC multilibs. (MULTILIB_EXCEPTIONS): Generalize globs accordingly. (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define. (MULTILIB_OSDIRNAMES): Delete. 2007-04-25 Anatoly Sokolov PR target/18989 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine. 2007-04-24 Brooks Moses * real.c (mpfr_from_real): Handle Inf and NaN, and allow the rounding mode to be specified by the caller. (real_to_mpfr) Likewise. * real.h: Update mpfr_from_real, mpfr_to_real prototypes to include new arguments. * builtins.c: Update mpfr_from_real, mpfr_to_real calls. 2007-04-24 Ian Lance Taylor PR tree-optimization/31605 * tree-vrp.c (set_value_range): Check that min and max are not both overflow infinities. (set_value_range_to_value): New static function. (extract_range_from_binary_expr): Call set_value_range_to_value. (extract_range_from_cond_expr): Likewise. (extract_range_from_expr): Likewise. (extract_range_from_unary_expr): Likewise. Don't create a range which overflows on both sides. (vrp_meet): Check for a useless range. (vrp_visit_phi_node): If we see a constant which looks like an overflow infinity, turn off the TREE_OVERFLOW flag. 2007-04-24 Ian Lance Taylor * flow.c (elim_reg_cond): Handle a comparison of a subreg. 2007-04-24 Simon Martin PR diagnostic/25923 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a diagnostic message is being built. * tree-pretty-print.c (dump_generic_node): Only write the formatted text into BUFFER's stream if we are not building a diagnostic message. * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to dump_generic_node. * Makefile.in (toplev.o): Depend on tree-pass.h. 2007-04-24 Ian Lance Taylor PR tree-optimization/31602 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for conditionals in the copied loop header. * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow warnings if TREE_NO_WARNING is set. * doc/invoke.texi (Warning Options): Clarify that -Wstrict-overflow does not warn about loops. 2007-04-24 Janis Johnson * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI, expand on the comment about _Decimal128 arguments and check the integer result of the modulus operation; for 64-bit ELF ABI, ensure that _Decimal128 argument uses even/odd register pair. (function_arg): Ditto. 2007-04-24 Hui-May Chang * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction. 2007-04-24 Richard Guenther Olga Golovanevsky * fold-const.c (multiple_of_p): Check for bottom to be zero. 2007-04-24 Richard Henderson * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE. * libgcc2.c (__floatdisf): Avoid double-word arithmetic when looking for non-zero bits shifted out. Avoid a recursive call when constructing the scalar. (__floatundisf): Likewise. 2007-04-24 Nathan Froyd * dwarf2out.c (field_byte_offset): Move the existing logic under the control of PCC_BITFIELD_TYPE_MATTERS and just use the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS. 2007-04-24 Andreas Krebbel PR target/31641 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length argument of 0 for memset. (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use unsigned shift instead of the signed variant. 2007-04-24 Andreas Krebbel * config/s390/s390.md ("*cmp_ccs_0_ibm", "*cmp_ccs_ibm", "fix_trunc2_ieee", "fix_truncdfsi2_ibm", "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm", "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee", "*extendsftf2_ibm", "*add3", "*add3_ibm", "*sub3_ibm", "*mul3", "*mul3_ibm", "*div3", "*div3_ibm", "*neg2_ibm", "*abs2_ibm"): Insn definitions removed. ("fix_trunc2_bfp", "floatsi2", "truncdfsf2", "trunctf2", "add3", "sub3", "mul3", "div3"): Insn definitions added. ("fixuns_trunc2", "fix_truncdi2", "fix_truncsi2"): gen_fix_trunc2_ieee renamed to gen_fix_trunc2_bfp. ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2", "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add3", "sub3", "mul3", "div3"): Expander removed. ("fix_truncsi2", "extend2"): Expander added. * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT, TARGET_FLOAT_FORMAT): Macro definitions removed. (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore. * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost, z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der. (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches. (s390_gen_rtx_const_DI): Function removed. * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed. 2007-04-24 Richard Sandiford * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions over an external ffs function. 2007-04-24 Chao-ying Fu Richard Sandiford * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document. * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes. (smadd_widen_optab, umadd_widen_optab): Define. * optabs.c (init_optabs): Initialize smadd_widen_optab and umadd_widen_optab. * genopinit.c (optabs): Fill in smadd_widen_optab and umadd_widen_optab. * expr.c (expand_expr_real_1): Try to use smadd_widen_optab and umadd_widen_optab to implement multiply-add sequences. * config/mips/mips.md (*mul_acc_di): Rename to... (maddsidi4): ...this. Extend condition to include GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint of operand 0 to "ka" and use the three-operand form of madd for TARGET_DSPR2. * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert to define_expands. * config/mips/constraints.md (ka): New register constraint. 2007-04-24 Jan Hubicka Revert: 2007-04-23 Jan Hubicka * function.c (init_function_start): Don't init line number info. (expand_function_end): Update. (reset_block_changes, record_block_change, finalize_block_changes, check_block_change, free_block_changes): Kill. * function.h (reset_block_changes, record_block_change, finalize_block_changes, check_block_change, free_block_changes): Remove prototypes. (struct function): Remove ib_boundaries_block. * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw): Use curr_insn_locator to initialize locator. (emit_line_note): Remove. * cfgexpand.c (expand_gimple_cond_expr): Update. (construct_exit_block): Likewise. (tree_expand_cfg): Initialize/finalize locators. * expr.c (expand_expr_real): Update. * cfglayout.c (line_locators_locs, line_locators_lines, file_locators_locs, file_locators_files): Remove. (set_block_levels): Move to cfgexpand.c. (insn_locators_initialize): Remove. (pass_insn_locators_initialize): Remove. (locations_locators_locs, locations_locators_vals): New static vars. (curr_location, last_location, curr_block, last_block, curr_rtl_loc): Likewise. (insn_locators_alloc, insn_locators_finalize, set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): New functions. (locator_location): New. (locator_line, locator_file): Rewrite. * rtl.h (emit_line_note): Kill. (insn_locators_alloc, insn_locators_finalize, set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): Declare. * tree-inline.c (initialize_cfun): Do not initialize ib_boundaries_block. * passes.c (pass_insn_locators_initialize): Remove. 2007-04-24 Daniel Franke * doc/invoke.texi: Removed leading '-' from option index entries. 2007-04-23 Zdenek Dvorak * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node): Use phi_nodes_ptr. (create_phi_node): Use set_phi_nodes. * omp-low.c (expand_omp_parallel): Use bb_stmt_list. * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes. (combine_blocks): Use bb_stmt_list and set_bb_stmt_list. * tree-flow-inline.h (phi_nodes, set_phi_nodes, (bsi_start, bsi_last): Use bb_stmt_list. (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions. * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list. Traverse the statements using tsi iterator. * basic-block.h (struct basic_block_def): Fields stmt_list and phi_nodes moved to ... (struct tree_bb_info): ... new structure. * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list. (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list. (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field. (tree_verify_flow_info): Verify that il.tree is not set for entry and exit block. (tree_split_block): Use set_bb_stmt_list. 2007-04-23 Mike Stump * config/i386/i386.c (ix86_tune_features [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on nocona and core2. 2007-04-23 H.J. Lu * config/i386/i386.md (prefix_extra): New attribute. (length): Add prefix_extra. * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16. (sse2_movntv2di): Likewise. (sse2_cvtps2dq): Likewise. (sse2_cvtpd2pi): Likewise. (sse2_cvttpd2pi): Likewise. (*sse2_cvtpd2ps): Likewise. (*add3): Likewise. (sse2_ssadd3): Likewise. (sse2_usadd3): Likewise. (*sub3): Likewise. (sse2_sssub3): Likewise. (sse2_ussub3): Likewise. (*mulv8hi3): Likewise. (*smulv8hi3_highpart): Likewise. (*umulv8hi3_highpart): Likewise. (sse2_umulv2siv2di3): Likewise. (sse2_pmaddwd): Likewise. (ashr3): Likewise. (lshr3): Likewise. (ashl3): Likewise. (sse2_ashlti3): Likewise. (sse2_lshrti3): Likewise. (*umaxv16qi3): Likewise. (*smaxv8hi3): Likewise. (*uminv16qi3): Likewise. (*sminv8hi3): Likewise. (sse2_eq3): Likewise. (sse2_gt3): Likewise. (*and3): Likewise. (sse2_nand3): Likewise. (*ior3): Likewise. (*xor3): Likewise. (sse2_packsswb): Likewise. (sse2_packssdw): Likewise. (sse2_packuswb): Likewise. (sse2_punpckhbw): Likewise. (sse2_punpcklbw): Likewise. (sse2_punpckhwd): Likewise. (sse2_punpcklwd): Likewise. (sse2_punpckhdq): Likewise. (sse2_punpckldq): Likewise. (sse2_punpckhqdq): Likewise. (sse2_punpcklqdq): Likewise. (*sse2_pinsrw): Likewise. (*sse2_pextrw): Likewise. (sse2_pshufd_1): Likewise. (sse2_uavgv16qi3): Likewise. (sse2_uavgv8hi3): Likewise. (sse2_psadbw): Likewise. (sse2_pmovmskb): Likewise. (*sse2_maskmovdqu): Likewise. (*sse2_maskmovdqu_rex64): Likewise. (sse4a_extrqi): Likewise. (sse4a_extrq): Likewise. (sse3_lddqu): Set prefix_rep. (sse3_addsubv4sf3): Likewise. (sse3_haddv4sf3): Likewise. (sse3_hsubv4sf3): Likewise. (sse_cvtss2si): Likewise. (sse_cvtss2si_2): Likewise. (sse_cvtss2siq): Likewise. (sse_cvtss2siq_2): Likewise. (sse_cvttss2si): Likewise. (sse_cvttss2siq): Likewise. (sse2_cvttps2dq): Likewise. (sse3_movshdup): Likewise. (sse3_movsldup): Likewise. (sse2_cvtsd2si): Likewise. (sse2_cvtsd2si_2): Likewise. (sse2_cvtsd2siq): Likewise. (sse2_cvtsd2siq_2): Likewise. (sse2_cvttsd2si): Likewise. (sse2_cvttsd2siq): Likewise. (*sse2_cvtpd2dq): Likewise. (*sse2_cvttpd2dq): Likewise. (sse2_pshuflw_1): Likewise. (sse2_pshufhw_1): Likewise. (sse4a_insertqi): Likewise. (sse4a_insertq): Likewise. (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra. (ssse3_phadddv4si3): Likewise. (ssse3_phaddswv8hi3): Likewise. (ssse3_phsubwv8hi3): Likewise. (ssse3_phsubdv4si3): Likewise. (ssse3_phsubswv8hi3): Likewise. (ssse3_pmaddubswv8hi3): Likewise. (ssse3_pmulhrswv8hi3): Likewise. (ssse3_pshufbv16qi3): Likewise. (ssse3_psign3): Likewise. (ssse3_palignrti): Likewise. (abs2): Likewise. (ssse3_phaddwv4hi3): Set prefix_extra. (ssse3_phadddv2si3): Likewise. (ssse3_phaddswv4hi3): Likewise. (ssse3_phsubwv4hi3): Likewise. (ssse3_phsubdv2si3): Likewise. (ssse3_phsubswv4hi3): Likewise. (ssse3_pmaddubswv4hi3): Likewise. (ssse3_pmulhrswv4hi3): Likewise. (ssse3_pshufbv8qi3): Likewise. (ssse3_psign3): Likewise. (ssse3_palignrdi): Likewise. (abs2): Likewise. (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF. (*vec_dupv2df): Set mode to V2DF instead of V4SF. (sse2_pmovmskb): Set mode to SI instead of V2DF. 2007-04-23 Nick Clifton * params.def: Fix formatting of emacs local variables. 2007-04-23 H.J. Lu * config/i386/sse.md (sse2_stored): Don't split to inter-unit move if inter-unit move isn't allowed. Don't split moving the first element of V2DI to DI to inter-unit move if inter-unit move isn't allowed. 2007-04-23 Richard Guenther * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS and CDI_POST_DOMINATORS separately. 2007-04-23 Nick Clifton * c.opt (Wformat-contains-nul): Add warning attribute. 2007-04-23 Jan Hubicka * function.c (init_function_start): Don't init line number info. (expand_function_end): Update. (reset_block_changes, record_block_change, finalize_block_changes, check_block_change, free_block_changes): Kill. * function.h (reset_block_changes, record_block_change, finalize_block_changes, check_block_change, free_block_changes): Remove prototypes. (struct function): Remove ib_boundaries_block. * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw): Use curr_insn_locator to initialize locator. (emit_line_note): Remove. * cfgexpand.c (expand_gimple_cond_expr): Update. (construct_exit_block): Likewise. (tree_expand_cfg): Initialize/finalize locators. * expr.c (expand_expr_real): Update. * cfglayout.c (line_locators_locs, line_locators_lines, file_locators_locs, file_locators_files): Remove. (set_block_levels): Move to cfgexpand.c. (insn_locators_initialize): Remove. (pass_insn_locators_initialize): Remove. (locations_locators_locs, locations_locators_vals): New static vars. (curr_location, last_location, curr_block, last_block, curr_rtl_loc): Likewise. (insn_locators_alloc, insn_locators_finalize, set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): New functions. (locator_location): New. (locator_line, locator_file): Rewrite. * rtl.h (emit_line_note): Kill. (insn_locators_alloc, insn_locators_finalize, set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator): Declare. * tree-inline.c (initialize_cfun): Do not initialize ib_boundaries_block. * passes.c (pass_insn_locators_initialize): Remove. 2007-04-22 Andrew Pinski PR middle-end/31448 * expr.c (reduce_to_bit_field_precision): Handle CONST_INT rtx's. 2007-04-22 Uros Bizjak PR tree-optimization/24659 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi, OTI_vec_unpacks_lo]: Update comment to mention floating point operands. (vec_pack_trunc_optab): Rename from vec_pack_mod_optab. * genopinit.c (optabs): Rename vec_pack_mod_optab to vec_pack_trunc_optab. * tree-vect-transform.c (vectorizable_type_demotion): Do not fail early for scalar floating point operands for NOP_EXPR. (vectorizable_type_promotion): Ditto. * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return vec_pack_trunc_optab. (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab. * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR. * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]: Rename from VEC_PACK_MOD_EXPR. (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto. * expr.c (expand_expr_real_1): Ditto. * tree-inline.c (estimate_num_insns_1): Ditto. * tree-vect-generic.c (expand_vector_operations_1): Ditto. * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander. (vec_unpacks_lo_v4sf): Ditto. (vec_pack_trunc_v2df): Ditto. (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi. (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si. (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di. * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi. (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si. * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]: Rename from VEC_PACK_MOD_EXPR. This expression also represent packing of floating point operands. [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also represent unpacking of floating point operands. * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation. [vec_unpacks_hi]: Ditto. [vec_unpacks_lo]: Ditto. 2007-04-22 Jan Hubicka * final.c (rest_of_handle_final): Call targetm.asm_out.constructor/targetm.asm_out.destructor * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set proper priority via decl_*_priority_insert. * c-common.c (c_expand_body): Likewise. 2007-04-22 Richard Guenther PR tree-optimization/29789 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts. (rewrite_reciprocal): New helper split out from determine_invariantness_stmt. (rewrite_bittest): Likewise. (determine_invariantness_stmt): Rewrite (A >> B) & 1 to A & (1 << B) if (1 << B) is loop invariant but (A >> B) is not. 2007-04-22 Revital Eres * loop-unroll.c (var_to_expand): New field to support also insns of the form x = something + x. (analyze_insn_to_expand_var): Use it. (expand_var_during_unrolling): Likewise. 2007-04-21 Zdenek Dvorak * predict.c: Include pointer-set.h. (bb_predictions): New variable. (tree_predicted_by_p, tree_predict_edge, remove_predictions_associated_with_edge): Use bb_predictions map instead of bb->predictions. (clear_bb_predictions, assert_is_empty): New functions. (combine_predictions_for_bb): Use bb_predictions map. Call clear_bb_predictions. (tree_estimate_probability): Create and free bb_predictions map. * Makefile.in (predict.o): Add pointer-set.h dependency. * basic-block.h (struct basic_block_def): Remove predictions field. * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions. 2007-04-21 Kaz Kojima PR target/31480 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn) is null. 2007-04-21 Andrew Pinski * timevar.c (timevar_print): Change reference of --disable-checking to --enable-checking=release. Also warn if assert checking is disabled. 2007-04-21 Andrew Pinski PR C/30265 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the decl as addressable if the compound literal was marked as addressable. Mark the decl as a gimple register if it is a complex or vector decl and does not live in memory. 2007-04-21 Andrew Pinski * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs. (GENERIC_NEXT): New function macro. (PHI_CHAIN): Use phi_node's new chain variable. (tree_phi_node): Change tree_common to tree_base and add the chain field. * tree-phinodes.c (make_phi_node): Don't set TREE_TYPE on the new node. * c-decl.c (lang_tree_node): Use GENERIC_NEXT instead of checking GIMPLE_TUPLE_P in chain_next. * tree-vect-transform.c (get_initial_def_for_induction): Look at PHI_RESULT_TREE for the type of the phi node. (update_vuses_to_preheader): Use PHI_CHAIN instead of TREE_CHAIN on the phi node. * tree-ssa-structalias.c (compute_points_to_sets): Likewise. (ipa_pta_execute): Likewise. 2007-04-21 Richard Guenther PR middle-end/31136 * fold-const.c (fold_unary): Call fold_convert_const on the original tree. 2007-04-21 Alexandre Oliva * gcse.c (store_killed_in_insn): Handle PARALLELs. (store_killed_in_pat): New. 2007-04-20 Richard Henderson PR target/31628 * config/i386/i386.c (type_has_variadic_args_p): Look for any TREE_LIST with a void_type_node value, not void_list_node exactly. 2007-04-21 Douglas Gregor * doc/standards.texi: Re-arrange into language-specific subsections. Add a C++ section, documenting which standards we support. 2007-04-21 Zdenek Dvorak * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex. * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops. 2007-04-20 Daniel Jacobowitz * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include ecrti.o and crtbegin.o. (LIB_DEFAULT_SPEC): Include -lc. (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o. 2007-04-20 Richard Henderson PR target/28623 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset argument; update all callers. (get_unaligned_offset): New. * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use get_unaligned_address, just pass on the address directly. (unaligned_extendqidi): Use gen_lowpart instead of open-coding the subreg in the helper patterns. (unaligned_extendqidi_le): Use get_unaligned_offset. (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise. (unaligned_extendhidi_be): Likewise. (unaligned_extendhidi): Tidy. * config/alpha/alpha-protos.h: Update. 2007-04-20 Richard Henderson * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove. (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove. * config/alpha/linux.h (CPP_SPEC): Undef before redefine. * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS. * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS. (CPP_SPEC): Don't include %(cpp_subtarget). * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC. (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS. * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly. 2007-04-20 Jakub Jelinek * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED for __builtin_ia32_cmpordss. PR tree-optimization/31632 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0 and arg1 for optimizations of comparison against min/max values. Fold arg0 to arg1's type for optimizations of comparison against min+1 and max-1 values. 2007-04-19 Bernd Schmidt * reload.c (combine_reloads): When trying to use a dying register, check whether it's uninitialized and don't use if so. 2007-04-19 Brooks Moses * fold-const.c: Remove prototypes for native_encode_expr and native_interpret_expr. (native_encode_expr): Make non-static. (native_interpret_expr): Likewise. * tree.h: Add prototypes for the above. 2007-04-19 Joseph Myers * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2, *mov_si_e500_subreg0, *mov_si_e500_subreg0_2, *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2, spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr): Add length attributes. 2007-04-19 Janis Johnson * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined, not that it is 1. * c-cppbuiltin.c (c_cpp_builtins): Remove definition of __STDC_WANT_DEC_FP__. 2007-04-19 Joseph Myers * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu* for long double compatibility. * configure: Regenerate. 2007-04-19 Eric Botcazou PR rtl-optimization/29841 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional trap instructions. * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions that may cause control flow transfer from being moved. 2007-04-18 Jan Hubicka * fold-const.c (div_if_zero_remainder): Do signed divide for pointer types. 2007-04-18 Eric Christopher * config/rs6000/darwin.md (load_macho_picbase): Use link register only. Update operands. * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller. * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from link register to pic register. 2007-04-18 Dirk Mueller PR diagnostic/31227 * tree-vrp.c (search_for_addr_array): New. (check_array_bounds): Suppress warning about address taken of array refs if its not de-referenced. 2007-04-18 Dorit Nuzman * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL. * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux. * tree-vectorizer.h (NITERS_KNOWN_P): New. * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info. * tree-vect-analyze.c (vect_determine_vectorization_factor): Add dump print. (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a print message. (vect_analyze_scalar_cycles): Fix indentation. (vect_enhance_data_refs_alignment): Fix check in case of peeling. (vect_mark_relevant): Include phis in relevance analysis. * tree-vect-transform.c (vect_transform_loop): Add an assert. 2007-04-18 Anatoly Sokolov * config/avr/avr.c (ptrreg_to_str): Replace error() with output_operand_lossage(). 2007-04-18 Dorit Nuzman * tree-vect-transform.c (get_initial_def_for_reduction): Clean away the unused code for reduction without adjust-in-epilog to simplify the function. 2007-04-18 Wolfgang Gellerich * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant. (S390_TDC_NEGATIVE_ZERO): New constant. (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant. (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant. (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant. (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant. (S390_TDC_POSITIVE_INFINITY): New constant. (S390_TDC_NEGATIVE_INFINITY): New constant. (S390_TDC_POSITIVE_QUIET_NAN): New constant. (S390_TDC_NEGATIVE_QUIET_NAN): New constant. (S390_TDC_POSITIVE_SIGNALING_NAN): New constant. (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant. (S390_TDC_INFINITY): New constant. * config/s390/s390.c (s390_canonicalize_comparison): Renamed UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like optimization for UNSPEC_CCZ_TO_INT. * config/s390/s390.md ("*TDC_insn_"): New insn. ("*ccz_to_int"): New insn. ("isinf2"): New insn. (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT. (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT. (UNSPEC_CCZ_TO_INT): New constant. 2007-04-18 Richard Guenther PR tree-optimization/19431 PR tree-optimization/21463 * tree-pass.h (pass_phiprop): Declare. * passes.c (init_optimization_passes): New phiprop pass. * tree-ssa-forwprop.c (struct phiprop_d): New structure. (phivn_valid_p): New helper function. (phiprop_insert_phi): Likewise. (propagate_with_phi): Likewise. (tree_ssa_phiprop): New propagator propagating loads through phi nodes if profitable. 2007-04-18 Dorit Nuzman * tree-vect-analyze.c (process_use): New function. (vect_mark_stmts_to_be_vectorized): Factor out code to process_use. Check phis in all bbs. * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant assert. 2007-04-18 Bernd Schmidt * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way we use REG_EQUAL. 2007-04-17 Anatoly Sokolov PR target/30483 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with error(). 2007-04-17 H.J. Lu * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand on "0". (sse_vmmulv4sf3): Likewise. (sse2_vmaddv2df3): Likewise. (sse2_vmmulv2df3): Likewise. 2007-04-17 Zdenek Dvorak PR rtl-optimization/31360 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed. (target_reg_cost): New. (init_set_costs): Initialize target_reg_cost. Add comments regarding the rationale of the costs. (global_cost_for_size): Renamed to... (estimate_reg_pressure_cost): ... and simplify. Decrease importance of register pressure. * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use estimate_reg_pressure_cost. Add number of ivs. (determine_set_costs): Dump target_reg_cost. * loop-invariant.c (gain_for_invariant): Use estimate_reg_pressure_cost. Removed n_inv_uses argument. (best_gain_for_invariant, find_invariants_to_move): Remove n_inv_uses. * cfgloop.h (target_small_cost, target_pres_cost): Removed. (target_reg_cost): Declare. (global_cost_for_size): Declaration removed. (estimate_reg_pressure_cost): Declare. 2007-04-17 Peter Bergner * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode regnos into even/odd register pairs. * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and TDmode similar to the other floating point modes. [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode. * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New define_expand's. (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr, nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's. (movdd_hardfloat64): Use TARGET_MFPGPR. 2007-04-17 Bernd Schmidt * reload1.c (delete_output_reload): Don't count output in n_inherited. Revert 2005-01-05 Richard Henderson PR rtl-opt/10692 * reload1.c (do_input_reload): Restrict the optimization deleteing a previous output reload to RELOAD_FOR_INPUT. 2007-04-17 Dorit Nuzman * tree-vectorizer.h (stmt_vec_info_type): Add enum value induc_vec_info_type. (vectorizable_induction): New function declaration. * tree-vect-transform.c (get_initial_def_for_induction): No need to check if already vectorized. Find first place in BB where new stmts can be inserted. Takes only one argument. (vectorizable_induction): New function. (vect_transform_stmt): Add case for induc_vec_info_type to call vectorizable_induction. (vect_transform_loop): Consider phis for vectorization. * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify condition. (analyze_operations): Call vectorizable_induction when analyzing phis. Fix comment. (vect_mark_stmts_to_be_vectorized): Remove redundant checks. (vect_mark_relevant): Include phis in relevance analysis. (vect_mark_stmts_to_be_vectorize): Likewise. * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts. 2007-04-16 Lawrence Crowl * doc/invoke.texi (Debugging Options): Add documentation for the -femit-struct-debug options -femit-struct-debug-baseonly, -femit-struct-debug-reduced, and -femit-struct-debug-detailed[=...]. * c-opts.c (c_common_handle_option): Add OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced, and OPT_femit_struct_debug_detailed_. * c.opt: Add specifications for -femit-struct-debug-baseonly, -femit-struct-debug-reduced, and -femit-struct-debug-detailed[=...]. * opts.c (set_struct_debug_option): Parse the -femit-struct-debug-... options. * opts.c (matches_main_base, main_input_basename, main_input_baselength, base_of_path, matches_main_base): Add variables and functions to compare header base name to compilation unit base name. * opts.c (should_emit_struct_debug): Add to determine to emit a structure based on the option. (dump_struct_debug) Also disabled function to debug this function. * opts.c (handle_options): Save the base name of the compilation unit. * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add. This hook indicates if a type is generic. Set it by default to "never generic". * langhooks.h (struct lang_hooks_for_types): Add a new hook to determine if a struct type is generic or not. * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook. * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook. * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook with live C++ hook. * flags.h (enum debug_info_usage): Add an enumeration to describe a program's use of a structure type. * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter to indicate the program's usage of the type. Filter structs based on the -femit-struct-debug-... specification. (gen_type_die): Split into two routines, gen_type_die and gen_type_die_with_usage. gen_type_die is now a wrapper that assumes direct usage. (gen_type_die_with_usage): Replace calls to gen_type_die with gen_type_die_with_usage adding the program usage of the referenced type. (dwarf2out_imported_module_or_decl): Suppress struct debug information using should_emit_struct_debug when appropriate. 2007-04-16 Ian Lance Taylor PR tree-optimization/31522 * tree-vrp.c (vr_phi_edge_counts): New static variable. (vrp_initialize): Allocate vr_phi_edge_counts. (vrp_visit_phi_node): Don't push to infinity if we saw a new executable edge. Drop test for all constants. (vrp_finalize): Free vrp_phi_edge_counts. * doc/cpp.texi (Common Predefined Macros): Clarify description of __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__. * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer predecessors at head rather than tail. 2007-04-16 Matthias Klose * config/alpha/linux.h (CPP_SPEC): Define. * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend. 2007-04-16 Aldy Hernandez * function.h: Remove sequence_stack extern declaration. 2007-04-16 Kazu Hirata * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on TARGET_FIDOA. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is defined. 2007-04-16 Anatoly Sokolov * config/avr/avr.c (avr_arch_types): Rearranging array. (enum avr_arch): Add. (avr_mcu_types): Use avr_arch enumeration constants instead of numbers. * config/avr/avr.h (LINK_SPEC): Simplify. 2007-04-16 Kazu Hirata * config/m68k/m68k.c (m68k_libcall_value, m68k_function_value): Use macros for register names more. * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG instead. (M68K_REGNAME): Use A6_REG. * config/m68k/m68k.md (FP_REG): Rename to A6_REG. 2007-04-16 Maxim Kuvyrkov PR middle-end/28071 * sched-int.h (struct deps): Split field 'pending_lists_length' into 'pending_read_list_length' and 'pending_write_list_length'. Update comment. * sched-deps.c (add_insn_mem_dependence): Change signature. Update to handle two length counters instead of one. Update all uses. (flush_pending_lists, sched_analyze_1, init_deps): Update to handle two length counters instead of one. * sched-rgn.c (propagate_deps): Update to handle two length counters instead of one. 2007-04-16 H.J. Lu PR target/31582 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a copy of source, pass it to ix86_expand_vector_set and return it as target. 2007-04-16 David Ung Joseph Myers * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF, PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define. * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data): Add 74K processor information. * config/mips/mips.md: Include 74k.md. (cpu): Add 74kc,74kf,74kx. (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout. * config/mips/74k.md: New. * doc/invoke.texi (MIPS Options): Document 74K support. 2007-04-16 Dorit Nuzman * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to vectorizable_* functions. * tree-vect-transform.c (vectorizable_call): Add check for STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P. (vectorizable_store): likewise. (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE. Add comments. (vectorizable_operation, vectorizable_type_demotion): Likewise. (vectorizable_type_promotion, vectorizable_load): Likewise. (vectorizable_live_operation, vectorizable_condition): Likewise. (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P. (vect_transform_stmt): Reorganize calls to vectorizable_* functions. 2007-04-15 Kazu Hirata * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for register numbers more. * config/m68k/m68k.h (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM, M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Likewise. * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM, STATIC_CHAIN_REGNUM): Likewise. * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise. * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM, STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise. * config/m68k/m68k.md (FP_REG): New. 2007-04-15 Kazu Hirata * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit alignment on fido. 2007-04-15 Kazu Hirata * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md, tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix comment typos. 2007-04-11 Zdenek Dvorak * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore cold loops. 2007-04-14 Andrew Pinski PR c/31520 * c-decl.c (finish_decl): Grab the type of the decl after the call to store_init_value. 2007-04-14 Steven Bosscher * common.opt (fforward-propagate): Fix "Optimization" annotation. 2007-04-14 Jakub Jelinek PR c++/25874 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators, post dominators and cleanup cfg before returning. 2007-04-14 Bernd Schmidt * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied. * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives. 2007-04-14 Kazu Hirata * config.gcc: Recognize fido. * config/m68k/m68k-devices.def (fidoa): New. * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mfido__. (FL_FIDOA, TARGET_FIDOA): New. * config/m68k/m68k.opt (mfidoa): New. 2007-04-13 John David Anglin PR middle-end/31322 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall when a personality function is used. 2007-04-13 Bob Wilson * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN. 2007-04-13 Mike Stump * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so we can... * config/darwin.opt (fapple-kext): Make C++ only. * config/darwin.c (darwin_override_options): Remove code to ensure -fapple-kext is given for C++ only. 2007-04-13 Richard Sandiford * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define. * config/mips/mips.c (override_options): Call SUBTARGET_OVERRIDE_OPTIONS, if defined. 2007-04-13 H.J. Lu * config/i386/i386.opt (msvr3-shlib): Removed. * doc/invoke.texi: Remove -msvr3-shlib. 2007-04-13 H.J. Lu * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction with "popcnt" instruction. 2007-04-13 Richard Guenther PR tree-optimization/21258 * tree-vrp.c (compare_case_labels): New helper. (find_switch_asserts): New function. (find_assert_locations): Call it for SWITCH_EXPRs. 2007-04-13 Uros Bizjak * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387. * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this check is now implied in X87_FLOAT_MODE_P. (*cmpfp_u, *cmpfp_, *cmpfp_i_i387): Ditto. (*cmpfp_iu_387, fix_trunc_fisttp_i386_1): Ditto. (fix_trunc_i386_fisttp): Ditto. (fix_trunc_i387_fisttp_with_temp): Ditto. (*fix_trunc_i387_1, fix_truncdi_i387): Ditto. (fix_truncdi_i387_with_temp, fix_trunc_i387): Ditto. (fix_trunc_i387_with_temp, *fp_jcc_1_387): Ditto. (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto. (*fp_jcc_7_387, *fp_jcc_8_387): Ditto. (unnamed_splitters): Ditto. * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with FIRST_SSE_REG for local functions when SSE math is enabled or for functions with sseregparm attribute. (standard_80387_constant_p): Return -1 if mode is not X87_FLOAT_MODE_P. (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P. (ix86_expand_compare): Ditto. (ix86_expand_carry_flag_compare): Ditto. (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not DECIMAL_FLOAT_MODE_P. (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead of SCALAR_FLOAT_MODE_P. (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ... [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks before FLOAT_MODE_P. [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks before FLOAT_MODE_P. [DIV]: Ditto. [NEG]: Ditto. [ABS]: Ditto. [SQRT]: Ditto. [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P. 2007-04-12 Paolo Bonzini Charles Wilson * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove. (libgcc.mvars): Don't depend on them. * configure.ac (as, collect-ld, nm): Create from exec-tool.in. * exec-tool.in: New. 2007-04-12 Brooks Moses * doc/invoke.text (--help): Document --help=common. 2007-04-12 Thomas Neumann * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords. 2007-04-12 Richard Sandiford * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H). * genemit.c (main): Emit #include "integrate.h". * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type. (LOADGP_RTP): New mips_loadgp_style. * config/mips/mips.h: Include config/vxworks-dummy.h. (TARGET_RTP_PIC): New macro. (TARGET_USE_GOT): Return true for TARGET_RTP_PIC. (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP. (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables for TARGET_RTP_PIC. * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down -mvxworks-pic when using -mrtp and a PIC option. * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP for RTP PIC. (mips_symbolic_constant_p, mips_symbolic_address_p) (mips_symbol_insns): Handle SYMBOL_HALF. (override_options): Warn about -G and -mrtp being used together. Initialize mips_lo_relocs[SYMBOL_HALF]. (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC. (mips_emit_loadgp): Handle LOADGP_RTP. (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP. * config/mips/mips.md (loadgp_rtp): New insn and splitter. (tablejump): Handle function-relative case table entries if TARGET_RTP_PIC. * config/mips/predicates.md (symbol_ref_operand): New predicate. 2007-04-12 Richard Sandiford * config/mips/mips.md (load_call): Allow any general register. destination. (sibcall_value_internal, sibcall_value_multiple_internal) (call_value_internal, call_value_split, call_value_multiple_internal) (call_value_multiple_split): Remove constraints from operand 0. 2007-04-12 Richard Sandiford * config/mips/mips-protos.h: In comments, refer to loadgp_absolute rather than loadgp_noshared. * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of gen_loadgp. * config/mips/mips.md (loadgp): Rename to... (loadgp_newabi): ...this. (loadgp_noshared): Rename to... (loadgp_absolute): ...this. 2007-04-12 Richard Sandiford * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return false for locally-binding symbols. (mips_dangerous_for_la25_p): Check mips_global_symbol_p. 2007-04-12 Richard Sandiford * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to... (SYMBOL_GOT_PAGE_OFST): ...this. (SYMBOL_GOT_GLOBAL): Rename to... (SYMBOL_GOT_DISP): ...this. (SYMBOL_GOTOFF_GLOBAL): Rename to... (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly. * config/mips/mips.c (mips_global_symbol_p): New function. (mips_symbol_binds_local_p): Likewise. (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p and mips_symbol_binds_local_p. (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns) (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP, SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to SYMBOL_GOTOFF_DISP. (mips_ok_for_lazy_binding_p): New function. (mips_load_call_address, mips_expand_call): Use it. (mips_dangerous_for_la25_p): Likewise. * config/mips/mips.md (*xgot_hi, *xgot_lo) (*got_disp): Use got_disp_operand instead of global_got_operand. Use SYMBOL_GOTOFF_DISP instead of SYMBOL_GOTOFF_GLOBAL. (*got_page): Use got_page_ofst_operand instead of local_got_operand. * config/mips/predicates.md (const_call_insn_operand): Use SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL. (global_got_operand): Rename to... (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL. (local_got_operand): Rename to... (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead of SYMBOL_GOT_LOCAL. 2007-04-12 Richard Sandiford * config/mips/mips.h (TARGET_SPLIT_CALLS): Check TARGET_CALL_CLOBBERED_GP. (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS. (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros. (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise. (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS && !TARGET_NEWABI. (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS. * config/mips/mips.c (mips_load_call_address): Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI. (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI. (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of TARGET_ABICALLS && TARGET_NEWABI. (mips_current_loadgp_style): Check TARGET_USE_GOT instead of TARGET_ABICALLS. (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI. (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of TARGET_ABICALLS && TARGET_NEWABI. (mips_output_mi_thunk): Check TARGET_USE_GOT instead of TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide whether indirect calls must use $25. (mips_extra_live_on_entry): Check TARGET_GOT instead of TARGET_ABICALLS. * config/mips/mips.md (jal_macro): Check flag_pic and TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI. (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT instead of TARGET_ABICALLS. (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS && TARGET_OLDABI. (load_call): Check TARGET_USE_GOT instead of TARGET_ABICALLS. (sibcall): In the comment above the define_insn, mention TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS. * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS. 2007-04-12 Bernd Schmidt * doc/md.texi (Blackfin family constraints): Document PA and PB. * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB. (MACFLAGS_MATCH_P): New macro. * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M. (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS. * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of the other MACFLAG constants. (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns. (flag_machi): Tighten constraints. Renumber some of the operands. (flag_machi_acconly): Tighten constraints. Correct operand numbers in output template. (flag_machi_parts_acconly): New pattern. (flag_macinithi): Tighten constraints. Allow any accumulator to be used. (flag_macinit1hi): Tighten constraints. (flag_mul_macv2hi_parts_acconly): New pattern. * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart): Use a more efficient implementation. * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit inline sequences when not optimizing for size. * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low): Delete, merge functionality into... (packv2hi): ... this pattern. 2007-02-11 Jie Zhang * config/bfin/bfin.opt (msim): New option. (mcpu=): New option. * config/bfin/bfin-protos.h (enum bfin_cpu): New. (bfin_cpu_t): Typedef of enum bfin_cpu. (bfin_cpu_type): New declaration. * config/bfin/elf.h (STARTFILE_SPEC): Add support for -msim and -mcpu= options. (LIB_SPEC): Likewise. * config/bfin/bfin.c (bfin_cpu_type): Define. (bfin_handle_option): Handle -mcpu= option. * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532. (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__, __ADSPBF533__ or __ADSPBF537__ according to the cpu type. 2007-04-12 Richard Sandiford * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza. (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks) (powerpc-wrs-vxworksae): Use ${tm_file}. (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h. * config/i386/vx-common.h: New file. 2007-04-12 Richard Sandiford * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead of crt0.o%s. 2007-04-12 Andreas Krebbel * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of ldxtr. 2007-04-12 Douglas Gregor PR c++/31078 PR c++/31103 * c-common.c (c_build_qualified_type): Set canonical type appropriately. 2007-04-12 Richard Guenther * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF lower bound and element size if lower bound is not zero or either of the ARRAY_REF operands is set. 2007-04-12 Richard Guenther PR tree-optimization/24689 PR tree-optimization/31307 * fold-const.c (operand_equal_p): Compare INTEGER_CST array indices by value. * gimplify.c (canonicalize_addr_expr): To be consistent with gimplify_compound_lval only set operands two and three of ARRAY_REFs if they are not gimple_min_invariant. This makes it never at this place. * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise. 2007-04-11 John David Anglin * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not null before emitting a .nsubspa directive. 2007-04-11 Diego Novillo * tree-ssa-alias.c (dump_mem_ref_stats): Do not call need_to_partition_p if there are no memory statements in the function. 2007-04-11 Zdenek Dvorak * tree-data-ref.c (chrec_steps_divide_constant_p): Removed. (gcd_of_steps_may_divide_p): New function. (analyze_miv_subscript): Use gcd_of_steps_may_divide_p. 2007-04-11 Bernd Schmidt * reload.c (find_reloads_toplev, find_reloads_address, find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p, not a pointer equality test, to decide if we need to call push_reg_equiv_alt_mem. 2007-04-11 Sebastian Pop * tree-data-ref.c (affine_function_zero_p, constant_access_functions, insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New. (build_classic_dist_vector): Call add_distance_for_zero_overlaps. 2007-04-11 Zdenek Dvorak * tree-data-ref.c (add_multivariate_self_dist): Force the distance vector to be positive. 2007-04-11 Diego Novillo PR 30735 PR 31090 * doc/invoke.texi: Document --params max-aliased-vops and avg-aliased-vops. * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions, debug_memory_partitions): Move to tree-flow.h * params.h (AVG_ALIASED_VOPS): Define. * tree-ssa-alias.c (struct mp_info_def): Remove. Update all users. (mp_info_t): Likewise. (get_mem_sym_stats_for): New. (set_memory_partition): Move from tree-flow-inline.h. (mark_non_addressable): Only clear the set of symbols for the partition if it exists. (dump_memory_partitions): Move from tree-ssa-operands.c (debug_memory_partitions): Likewise. (need_to_partition_p): New. (dump_mem_ref_stats): New. (debug_mem_ref_stats): New. (dump_mem_sym_stats): New. (debug_mem_sym_stats): New. (update_mem_sym_stats_from_stmt): New. (compare_mp_info_entries): New. (mp_info_cmp): Call it. (sort_mp_info): Change argument to a list of mem_sym_stats_t objects. (get_mpt_for): Move from tree-ssa-operands.c. (find_partition_for): New. (create_partition_for): Remove. (estimate_vop_reduction): New. (update_reference_counts): New. (build_mp_info): New. (compute_memory_partitions): Refactor. Document new heuristic. Call build_mp_info, update_reference_counts, find_partition_for and estimate_vop_reduction. (compute_may_aliases): Populate virtual operands before calling debugging dumps. (delete_mem_sym_stats): New. (delete_mem_ref_stats): New. (init_mem_ref_stats): New. (init_alias_info): Call it. (maybe_create_global_var): Remove alias_info argument. Get number of call sites and number of pure/const call sites from gimple_mem_ref_stats(). (dump_alias_info): Call dump_memory_partitions first. (dump_points_to_info_for): Show how many times a pointer has been dereferenced. * opts.c (decode_options): For -O2 set --param max-aliased-vops to 500. For -O3 set --param max-aliased-vops to 1000 and --param avg-aliased-vops to 3. * fortran/options.c (gfc_init_options): Remove assignment to MAX_ALIASED_VOPS. * tree-flow-inline.h (gimple_mem_ref_stats): New. * tree-dfa.c (dump_variable): Dump memory reference statistics. Dump NO_ALIAS* settings. (referenced_var_lookup): Tidy. (mem_sym_stats): New. * tree-ssa-copy.c (may_propagate_copy): Return true if DEST and ORIG are different SSA names for a memory partition. * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats. * tree-flow.h (struct mem_sym_stats_d): Define. (mem_sym_stats_t): Define. (struct mem_ref_stats_d): Define. (struct gimple_df): Add field mem_ref_stats. (enum noalias_state): Define. (struct var_ann_d): Add bitfield noalias_state. (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats, debug_mem_ref_stats, debug_memory_partitions, debug_mem_sym_stats): Declare. * tree-ssa-structalias.c (update_alias_info): Update call sites, pure/const call sites and asm sites in structure returned by gimple_mem_ref_stats. Remove local variable IS_POTENTIAL_DEREF. Increase NUM_DEREFS if the memory expression is a potential dereference. Call update_mem_sym_stats_from_stmt. If the memory references memory, call update_mem_sym_stats_from_stmt for all the direct memory symbol references found. (intra_create_variable_infos): Set noalias_state field for pointer arguments according to the value of flag_argument_noalias. * tree-ssa-structalias.h (struct alias_info): Remove fields num_calls_found and num_pure_const_calls_found. (update_mem_sym_stats_from_stmt): Declare. * params.def (PARAM_MAX_ALIASED_VOPS): Change description. Set default value to 100. (PARAM_AVG_ALIASED_VOPS): Define. 2007-04-11 Richard Guenther PR middle-end/31530 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify a * -b + c as c - a * b if we honor sign dependent rounding. 2007-04-11 Bernd Schmidt * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from bfin_expand_strmov. * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address, bfin_function_ok_for_sibcall, split_load_immediate): Remove unused variables. (initialize_trampoline): Don't use old-style function definition. (bfin_secondary_reload): Mark IN_P argument as unused. 2007-04-10 Sebastian Pop PR tree-optimization/31343 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec. (build_polynomial_chrec): Return a scalar when the evolution is zero. * testsuite/gcc.dg/vect/pr31343.c: New. 2007-04-10 Eric Christopher * config/i386/i386.h (X87_FLOAT_MODE_P): New. * config/i386/i386.md (*cmpfp0): Use. (*cmpfp_u, *cmpfp_, *cmpfp_i_i387): Ditto. (*cmpfp_iu_387, fix_trunc_fisttp_i386_1): Ditto. (fix_trunc_i386_fisttp): Ditto. (fix_trunc_i387_fisttp_with_temp): Ditto. (*fix_trunc_i387_1, fix_truncdi_i387): Ditto. (fix_truncdi_i387_with_temp, fix_trunc_i387): Ditto. (fix_trunc_i387_with_temp, *fp_jcc_1_387): Ditto. (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto. (*fp_jcc_7_387, *fp_jcc_8_387): Ditto. (unnamed_splitters): Ditto. * config/i386/i386.c (output_fix_trunc): Assert that we're not being passed a TFmode operand. 2007-04-10 Zdenek Dvorak PR tree-optimization/31526 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of n_basic_blocks to find newly added blocks. 2007-04-10 Uros Bizjak * config/i386/i386.md (fix_truncdi_sse): Remove "x" from "xm" alternative. (fix_truncsi_sse): Ditto. (*floatsisf2_mixed, *floatsisf2_sse): Ditto. (*floatsidf2_mixed, *floatsidf2_sse): Ditto. (*floatdisf2_mixed, *floatdisf2_sse): Ditto. (*floatdidf2_mixed, *floatdidf2_sse): Ditto. (floathi2): Rename from floathisf2 and floathidf2. Macroize expander using SSEMODEF mode macro. (floatsi2): Rename from floatsisf2 and floashidf2. Macroize expander using SSEMODEF mode macro. (*floathi2_i387): Rename from *floathisf2_i387 and *floathidf2_i387. Macroize insn using X87MODEF12 mode macro. (*floatsi2_i387): Rename from *floatsisf2_i387 and *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro. (*floatdi2_i387): Rename from *floatdisf2_i387 and *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro. (floatxf2): Rename from floathixf2, floatsixf2 and floatdixf2. Macroize insn using X87MODEF mode macro. 2007-04-09 H.J. Lu * config/i386/sse.md (sse2_pinsrw): Removed. (sse2_pextrw): Renamed to ... (*sse2_pextrw): This. 2007-04-09 Jan Hubicka PR target/27869 * config/i386/sse.md (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier. (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove. (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier. (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove. 2007-04-09 Jan Hubicka * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into multiple fields of union. 2007-04-09 Zdenek Dvorak * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge. (create_preheaders): Check that loops are available. (fix_loop_structure): Clean up, improve comments. * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa): Check that loops are available. Set LOOP_CLOSED_SSA to the loops state flags. * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info. * predict.c (tree_estimate_probability): Do not call calculate_dominance_info. Call create_preheaders. * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state flags. * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders. * cfgloop.h (LOOP_CLOSED_SSA): New constant. * tree-cfg.c (tree_split_edge): Make an assert more precise. * tree-ssa-threadedge.c (thread_across_edge): Comment the function arguments. 2007-04-08 Jan Hubicka * tree.h (maybe_fold_offset_to_component_ref): Declare. * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export. * fold-const.c (fold_unary): Use it. 2007-04-08 Andrew Pinski * varasm.c (assemble_variable): Remove call to lang_hooks.decls.prepare_assemble_variable. * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill. (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE. * langhooks.h (lang_hooks_for_decls): Remove prepare_assemble_variable. 2007-04-08 Mike Stump * config/i386/i386.c: Use inc/dec on Core2. 2007-04-08 Steven Bosscher * langhooks.c (lhd_tree_inlining_add_pending_fn_decls, lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining, lhd_tree_inlining_end_inlining): Remove. * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then add_pending_fn_decls, anon_aggr_type_p, start_inlining, and end_inlining hooks. * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls, lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining, lhd_tree_inlining_end_inlining): Remove prototypes. (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS, LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P, LANG_HOOKS_TREE_INLINING_START_INLINING, LANG_HOOKS_TREE_INLINING_END_INLINING): Remove. * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do not set it. 2007-04-08 Anatoly Sokolov PR target/29932 * config/avr/predicates.md (io_address_operand): Delete predicate. (low_io_address_operand): Don't use 'mode' argument. (higth_io_address_operand): Rename ... (high_io_address_operand): ... to this. Don't use 'mode' argument. * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust for above change. 2007-04-07 Daniel Berlin Revert change removing staticp. 2007-04-07 Anatoly Sokolov PR target/30289 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as earlyclobber. 2007-04-07 Bruce Korb * c.opt: Add -Wformat-contains-nul. * c-format.c (set_Wformat): Set warn_format_contains_nul to the -Wformat setting. (check_format_info_main): Check OPT_Wformat_contains_nul before emitting the NUL byte warning. 2007-04-07 H.J. Lu * config/i386/i386.c (ix86_handle_option): Handle SSSE3. 2007-04-06 Daniel Berlin * tree.c (staticp): No longer use staticp langhook. * langhooks.c (lhd_staticp): Removed. * langhooks.h (struct lang_hooks): Remove staticp. * c-common.c (c_staticp): Remove. * c-common.h (c_staticp): Ditto. * langhooks-defs.h (lhd_staticp): Ditto. (LHD_HOOKS_STATICP): Ditto * tree.h (gcc_assert_lowered): New macro. 2007-04-06 Zdenek Dvorak * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use argument "reliable". (infer_loop_bounds_from_ref, infer_loop_bounds_from_array): Add argument "reliable". Propagate it through calls. (infer_loop_bounds_from_undefined): Derive number of iterations estimates from references in blocks that do not dominate loop latch. (gcov_type_to_double_int): New function. (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int and expected_loop_iterations_unbounded. * cfgloopanal.c (expected_loop_iterations_unbounded): New function. (expected_loop_iterations): Use expected_loop_iterations_unbounded. * tree-data-ref.c (estimated_loop_iterations): Export. (get_references_in_stmt): Fix -- do not return addresses of local objects. * cfgloop.h (expected_loop_iterations_unbounded, estimated_loop_iterations): Declare. 2007-04-06 Andreas Tobler * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift. 2007-04-06 Uros Bizjak * config/i386/i386.md (extendxf2): Rename from extendsfxf2 and extenddfxf2. Macroize expander using X87MODEF12 mode macro. (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1): Use output_387_reg_move(). (*truncxf2): Rename from *truncxfsf2 and truncxfdf2. Macroize expander using X87MODEF12 mode macro. (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when choosing register preferences. Use output_387_reg_move(). (*truncxfdf2_mixed): Combine alternatives, use "r" alternative instead of "x". Use output_387_reg_move(). (*truncxf2_i387_noop): Rename from *truncxfsf2_i387_noop and *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro. (*truncxf2_i387): Rename from *truncxfsf2_i387 and *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro. Use output_387_reg_move(). (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12 mode macro. (*truncxf?f_i387 splitter): Ditto. 2007-04-06 Daniel Berlin * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_SAFE_FROM_P. * expr.c (safe_from_p): Remove langhook call. * langhooks.h (lang_hooks): Remove safe_from_p. (lhd_safe_from_p): Remove prototype. * langhooks.c (lhd_safe_from_p): Remove. 2007-04-06 Jan Hubicka * cgraphunit.c (decide_is_function_needed): Do not keep always_inline functions. 2007-04-06 Uros Bizjak * config/i386/i386.c (output_387_reg_move): Handle memory operand[0]. * config/i386/i386.md (*movsf_1, *movdf_nointeger, *movdf_integer_rex64, *movdf_integer, *movxf_nointeger, *movxf_integer): Use output_387_reg_move() for x87 reg->mem alternative. (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387, *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto. 2007-04-05 Richard Henderson * config/alpha/alpha.c (print_operand) [+]: Remove. (alpha_end_function): Print nop if call at end of function. * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +. * config/alpha/alpha.md (UNSPEC_LDGP1): New. (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New. (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New. (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into the call pattern. Update peepholes to match. 2007-04-05 Janis Johnson * doc/extend.texi (Other Builtins): Add decimal float variants of signbit. * builtins.def: Ditto. * builtins.c (expand_builtin): Ditto. 2007-04-05 Uros Bizjak H.J. Lu PR target/31478 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead of V8HImode when calling ix86_binary_operator_ok. (sse2_pmaddwd): Call ix86_binary_operator_ok. (sdot_prodv8hi): Operands 1 and 2 must be register. 2007-04-05 Alexandre Oliva * tree-sra.c (try_instantiate_multiple_fields): Needlessly initialize align to silence bogus warning. 2007-04-05 Alexandre Oliva PR middle-end/22156 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove all_no_warning. (struct sra_walk_fns): Remove use_all parameter from use. (sra_hash_tree): Handle BIT_FIELD_REFs. (sra_elt_hash): Don't hash bitfld blocks. (sra_elt_eq): Skip them in parent compares as well. Handle BIT_FIELD_REFs. (sra_walk_expr): Don't maintain or pass down use_all_p. (scan_use): Remove use_all parameter. (scalarize_use): Likewise. Re-expand assignment to BIT_FIELD_REF of gimple_reg. De-scalarize before input or output, and re-scalarize after output. Don't mark anything for no warning. (scalarize_ldst): Adjust. (scalarize_walk_gimple_modify_statement): Likewise. (build_element_name_1): Handle BIT_FIELD_REFs. (instantiate_element): Don't warn for any element whose parent is used as a whole. (instantiate_missing_elements_1): Return the sra_elt. (canon_type_for_field): New. (try_instantiate_multiple_fields): New. (instantiate_missing_elemnts): Use them. (mark_no_warning): Removed. (generate_one_element_ref): Handle BIT_FIELD_REFs. (REPLDUP, sra_build_elt_assignment): New. (generate_copy_inout): Use them. (generate_element_copy): Likewise. Handle bitfld differences. (generate_element_zero): Don't recurse for blocks. Use sra_build_elt_assignment. (generate_one_element_int): Take elt instead of var. Use sra_build_elt_assignment. (generate_element_init_1): Adjust. (scalarize_use, scalarize_copy): Use REPLDUP. (scalarize_ldst): Move assert before dereference. (dump_sra_elt_name): Handle BIT_FIELD_REFs. 2007-04-05 Steven Bosscher * regmove.c: Fix unused variable warnings due to previous commit. 2007-04-05 Steven Bosscher * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize. (regmove_bb_head): Remove. (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD. (regmove_optimize): Don't do unnecessary CFG fixes for non-existing problems with fixup_match_1. Don't initialize/free regmove_bb_head. (reg_is_remote_constant_p): If an insn is in the same basic block but not before INSN, consider it remote, too. 2007-04-05 Anatoly Sokolov PR target/25448 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the DECL_ASSEMBLER_NAME, not the DECL_NAME. 2007-04-05 H.J. Lu * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat. (CONDITIONAL_REGISTER_USAGE): Likewise. 2007-04-04 Richard Henderson * config/alpha/lib1funcs.asm: Remove unused file. 2007-04-04 Brooks Moses PR other/31356 * opts.c (print_specific_help): Fix --help= header line. (common_handle_option): Support --help=common. 2007-04-04 Brooks Moses PR other/31353 * gcc.c (main): Do not run the linker if print_subprocess_help indicates that it shouldn't be run. 2007-04-04 Brooks Moses PR doc/31355 * doc/invoke.texi (--help=): Document value, fix formatting in tables of values. 2007-04-04 Danny Smith * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore dllimport attribute of virtual methods. 2007-04-04 Chen Liqin * config/score/crti.asm: Change _bss_start to __bss_start. * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added. (OUTGOING_REG_PARM_STACK_SPACE) update. * config/score/score.opt: add options to make backend support score5, score5u, score7 and score7d. * config/score/score.md: Likewise. * config/score/misc.md: Likewise. * config/score/mac.md: Likewise. * doc/invoke.texi: Likewise. * doc/md.texi: update constraints define. 2007-04-03 Richard Henderson * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield an appropriate type, use the mode instead. 2007-04-03 Richard Sandiford * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file. Set the default --with-arch setting to mips2. * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES) (MULTILIB_EXCEPTIONS): Redefine with new multilibs. (MULTILIB_OSDIRNAMES): Delete. (MULTILIB_DIRNAMES): Define. * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC. (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define. (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC definitions, except for _WRS_R3K_EXC_SUPPORT. Call VXWORKS_OS_CPP_BUILTINS. (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC. (MIPS_DEBUGGING_INFO): Undefine. (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER. 2007-04-03 Jakub Jelinek PR middle-end/30704 * fold-const.c (native_encode_real): Encode real.c provided longs as a series of 32-bit native integers. (native_interpret_real): Interpret buffer as a series of 32-bit native integers. 2007-04-03 Richard Guenther * genpreds.c (write_insn_constraint_len): Write function optimized for CONSTRAINT_LEN implementation. (write_tm_preds_h): Output insn_constraint_len inline and use it for CONSTRAINT_LEN. (write_insn_preds_c): Don't output insn_constraint_len. * doc/md.texi (define_register_constraint): Document multi-letter constraints shall have the same length if they start with the same letter. 2007-04-03 Uros Bizjak PR target/31175 * config/i386/i386.md (isinf2): Expand only when TARGET_C99_FUNCTIONS is set. 2007-04-03 Uros Bizjak * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file. (x86_64-*-linux*): Ditto. * config/i386/i386.opt (mpc): New option. * config/i386/i386.c (overrride_options): Handle ix87_precision_string. * config/i386/crtprec.c: New file. * config/i386/t-crtpc: Ditto. * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64 and -mpc80 options. * config/i386/linux64.h (ENDFILE_SPEC): Ditto. * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtprec32.o, crtprec64.o and crtprec80.o. * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64 and -mpc80 options. (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options. 2007-04-02 Eric Christopher * doc/invoke.texi (i386 and x86-64 Options): Document -m64 limitations on darwin. 2007-04-02 Anatoly Sokolov PR target/31137 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements. 2007-04-02 Dave Korn * doc/tm.texi (FUNCTION_MODE): Update and extend documentation. 2007-04-02 Dave Korn * libgcc2.h (exception_descriptor): Don't forward-declare. (__get_eh_table_language, __get_eh_table_version): Delete prototypes of long-dead functions. 2007-04-01 Daniel Berlin * ebitmap.h: New file * ebitmap.c: New file * Makefile.in (ebitmap.o): New target. 2007-04-01 Jan Hubicka * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit before very first instruction. 2007-04-01 Jan Hubicka * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid waring on 64bit hosts. * bitmap.h: Fix typo in bitmap_head_def. 2007-04-01 Steven Bosscher PR rtl-optimization/31391 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned into a DELETED_LABEL note, and the label is in an empty basic block, update BB_END as well as BB_HEAD. 2007-04-01 Richard Henderson PR tree-optimization/31169 * tree-vrp.c (extract_range_from_binary_expr) : Drop to varying if the range is outside [0, prec-1]. 2007-04-01 Richard Sandiford PR target/31388 * config/mips/mips.md (load_const_gp): New insn. * config/mips/mips.c (mips_split_symbol): Avoid using or creating the MIPS16 GP pseudo register if no_new_pseudos. (mips16_gp_pseudo_reg): Use gen_load_const_gp. 2007-03-31 Andrew Pinski PR target/31364 * config/rs6000/rs6000.md (call): Convert to LR hard reg for secureplt. (call_value): Likewise. 2007-03-31 Wolfgang Bangerth Manuel Lopez-Ibanez PR 14737 * doc/invoke.texi: (optimization options): Reword description of -ffast-math. Document its primary purpose. 2007-03-31 Richard Guenther * omp-low.c (splay-tree.h): Include. (lookup_decl): Replace splay-tree usage by pointer-map. (maybe_lookup_decl): Likewise. (new_omp_context): Likewise. (delete_omp_context): Likewise. * gimplify.c (splay-tree.h): Include. * tree-inline.c (insert_decl_map): Replace splay-tree usage by pointer-map. (remap_ssa_name): Likewise. (remap_decl): Likewise. (remap_type_1): Likewise. (remap_type): Likewise. (copy_body_r): Likewise. (expand_call_inline): Likewise. (clone_body): Likewise. (copy_tree_r): Likewise. (remap_save_expr): Likewise. (unsave_r): Likewise. (unsave_expr_now): Likewise. (tree_function_versioning): Likewise. (build_duplicate_type): Likewise. * tree-inline.h (pointer-set.h): Include instead of splay-tree.h. (struct copy_body_data): Replace splay-tree by pointer-map. * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h, not $(SPLAY_TREE_H). (gimplify.o): Depend on $(SPLAY_TREE_H). (omp-low.p): Likewise. 2007-03-31 Anatoly Sokolov * config/avr/predicates.md (even_register_operand, odd_register_operand): New predicates. * config/avr/avr.md (movw peephole2): New. (movw_r peephole2): New. 2007-03-30 Rafael Avila de Espindola * tree.h (get_signed_or_unsigned_type): New. * fold-const.c (operand_equal_for_comparison_p): Use get_signed_or_unsigned_type instead of lang_hooks.types.signed_or_unsigned_type. * expr.c (store_expr): Ditto. * langhooks.c (get_signed_or_unsigned_type): New. (lhd_signed_or_unsigned_type): New. * langhooks.h (lhd_signed_or_unsigned_type): New. * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define. 2007-03-30 Richard Henderson * tree-ssa-loop-ivopts.c: Include target.h. (produce_memory_decl_rtl): Pass the rtx through encode_section_info. (get_address_cost): Force SYMBOL_FLAG_LOCAL set. (force_expr_to_var_cost): Use produce_memory_decl_rtl. * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H. 2007-03-30 Richard Henderson Kai Tietz * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by default for 64-bit. (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit. (TARGET_64BIT_MS_ABI): New. (DBX_REGISTER_NUMBER): Handle 64-bit. (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit. (LONG_TYPE_SIZE): Force to 32. (REG_PARM_STACK_SPACE): New. (OUTGOING_REG_PARM_STACK_SPACE): New. (REGPARM_MAX, SSE_REGPARM_MAX): New. (HANDLE_PRAGMA_PUSH_POP_MACRO): New. (STACK_BOUNDARY): Use 128 for 64-bit. * config/i386/cygwin.asm: Use push/ret to preserve call stack. Add 64-bit implementation. * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor argument unused. * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New. (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI. Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm for 64-bit; use TARGET_SUBTARGET64_DEFAULT. (ix86_handle_cconv_attribute): Don't warn when ignoring if TARGET_64BIT_MS_ABI. (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI. (ix86_pass_by_reference): Likewise. (ix86_function_value_regno_p): Likewise. (ix86_build_builtin_va_list): Likewise. (ix86_va_start, ix86_gimplify_va_arg): Likewise. (function_arg_advance_ms_64): New. (function_arg_advance): Call it. (function_arg_ms_64): New. (function_arg): Call it. (function_value_ms_64): New. (ix86_function_value_1): Call it. (return_in_memory_ms_64): New. (ix86_return_in_memory): Call it. (setup_incoming_varargs_ms_64): New. (ix86_setup_incoming_varargs): Call it. (ix86_expand_prologue): Handle 64-bit stack probing. (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI. (output_pic_addr_const): Likewise. (x86_this_parameter): Likewise. (x86_output_mi_thunk): Likewise. (x86_function_profiler): Likewise. (TARGET_STRICT_ARGUMENT_NAMING): New. * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New. (TARGET_64BIT_MS_ABI): New. (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI. * config/i386/i386.md (allocate_stack_worker): Remove. (allocate_stack_worker_32): Rename from allocate_stack_worker_1; describe the clobber of eax without a match_scratch. (allocate_stack_worker_postreload): Remove. (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64; describe the clobbers of rax, r10, r11 properly; use __chkstk symbol. (allocate_stack_worker_rex64_postreload): Remove. (allocate_stack): Handle 64-bit. * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove. * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit. (EXTRA_OS_CPP_BUILTINS): Handle 64-bit. (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT. (STANDARD_STARTFILE_PREFIX_1): Likewise. * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New. * config.build (x86_64-*-mingw*): New host. * config.host (x86_64-*-mingw*): New host. * config.gcc (x86_64-*-mingw*): New target. * gthr-win32.h (__gthread_key_create): Mark dtor unused. 2007-03-30 Richard Henderson Kai Tietz * c-pragma.c (struct def_pragma_macro_value): New. (struct def_pragma_macro): New. (pushed_macro_table): New. (dpm_hash, dpm_eq): New. (handle_pragma_push_macro, handle_pragma_pop_macro): New. (init_pragma): Install them. * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New. 2007-03-30 Anatoly Sokolov * config/avr/avr.c (avr_override_options): Clear 'flag_delete_null_pointer_checks'. 2007-03-30 Paolo Carlini PR c++/26099 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF, RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM, RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as C++ extensions. * doc/extend.texi (Extensions to the C++ Language): Add Type Traits. 2007-03-30 Steven Bosscher * regmove.c: Move all of pass_stack_adjustments from here... * combine-stack-adj.c: ...to this new file. * Makefile.in: Add rules for combine-stack-adj.o. 2007-03-30 Zdenek Dvorak PR tree-optimization/31383 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors to have the same length. 2007-03-30 Jan Hubicka PR middle-end/30700 * dwarf2out.c (reference_to_unused): Ask cgraph for functions availablility; add more sanity checking; ask varpool only about VAR_DECL. 2007-03-29 Richard Henderson * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG to decide, but __SIZEOF_LONG_LONG__. 2007-03-29 Richard Henderson * emutls.c (struct __emutls_array): New. (emutls_destroy): Use it instead of casting element 0 from void*. (__emutls_get_address): Likewise. 2007-03-29 Richard Henderson * varasm.c (initializer_constant_valid_p): Don't deny DECL_DLLIMPORT_P on functions. * config/i386/cygming.h: Remove function declarations. (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first. (ASM_OUTPUT_LABELREF): Remove. (COMMON_ASM_OP): Remove. (ASM_OUTPUT_COMMON): Remove. (ASM_OUTPUT_ALIGNED_DECL_COMMON): New. (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol. (ASM_DECLARE_FUNCTION_NAME): Likewise. * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO): Rename from TARGET_ENCODE_SECTION_INFO. * config/i386/netware.h: Likewise. * config/i386/i386-protos.h: Update. * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if. (legitimate_constant_p): Reject dllimports. (dllimport_map, get_dllimport_decl): New. (legitimize_dllimport_symbol): New. (legitimize_address, ix86_expand_move): Use it. (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES. * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove. (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New. (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New. * config/i386/predicates.md (constant_call_address_operand): Only accept symbols; reject dllimport_p symbols. * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use i386_pe_maybe_record_exported_symbol. * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove. (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p. (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p; trust the setting of DECL_DLLIMPORT_P. (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove. (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove. (gen_stdcall_or_fastcall_suffix): Return NULL if no change required; tidy the argument scanning loop. (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS. (i386_pe_strip_name_encoding): Remove. (i386_pe_binds_local_p): New. (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding. (i386_pe_output_labelref): Remove. (i386_pe_asm_output_aligned_decl_common): New. (i386_pe_maybe_record_exported_symbol): Rename from i386_pe_record_exported_symbol; check for dllexported symbols. 2007-03-29 Zack Weinberg * gengtype.c (oprintf): Mostly revert changes from 2007-03-26; add comment explaining why vsnprintf cannot be used. 2007-03-29 Douglas Gregor PR tree-optimization/30666 * tree.c (build_complex_type): When creating type names for DWARF2 debug info, create TYPE_DECLs for TYPE_NAME instead of IDENTIFIER_NODEs. (build_common_tree_nodes_2): Use build_complex_type when building predefined complex types, to preserve canonical types. 2007-03-29 Steven Bosscher * ifcvt.c (struct noce_if_info): Add then_else_reversed field. (noce_get_alt_condition): Look at it to determine whether to reverse the condition or not. (noce_get_condition): Substitute the truth for lies. (noce_find_if_block): Set the then_else_reversed field. 2007-03-29 Lars Poeschel * config/fr30/fr30.md (movdi): Do not accept immediates as the destination of this insn. * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather than calling gen_rtx_SET directly. Use r0 to hold the value of 'address + 4' rather than a stack based temporary which can be mis-optimized away. 2007-03-29 Andreas Krebbel * config/s390/s390.c (s390_secondary_input_reload_class, s390_secondary_output_reload_class): Functions removed. (s390_secondary_reload): New function. (TARGET_SECONDARY_RELOAD): Target macro defined. * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed. * config/s390/s390.md ("reload_outti", "reload_outdi", "reload_indi", "reload_insi", "reload_out", "reload_in", "reload_out"): Expanders removed. ("reload_plus", "reload_nonoffmem_in", "reload_nonoffmem_out"): Expanders added. 2007-03-29 Andreas Krebbel * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if SRC->DEST replacement failed anyway. 2007-03-28 Mike Stump * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add. * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix. * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef. 2007-03-28 Dwarakanath Rajagopal * config.gcc: Accept barcelona as a variant of amdfam10. * config/i386/i386.c (override_options): Likewise. * doc/invoke.texi: Likewise. 2007-03-28 Eric Botcazou * tree-dfa.c (get_ref_base_and_extent): Do not expect positive offsets for BIT_FIELD_REF and COMPONENT_REF. 2007-03-28 Richard Guenther * tree.c (is_global_var): Move ... * tree-flow-inline.h (is_global_var): ... here. * tree.h (is_global_var): Remove declaration. 2007-03-28 Uros Bizjak * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning option. (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option. * config/i386/i386.c (ix86_tune_features): Initialize new tuning option. * config/i386/predicates.md (promotable_binary_operator): Use TARGET_TUNE_PROMOTE_HIMODE_IMUL. 2007-03-28 Grigory Zagorodnev PR target/31380 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX. 2007-03-28 Lars Poeschel * config/fr30/fr30.md (movsi_internal): Change destination constraint from m to V and add m to the end. 2007-03-28 Christian Bruel * config/sh/sh.md (movsi_i): Fix type attribute. 2007-03-28 Christian Bruel * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length. (movsf_ie): Likewise. 2007-03-28 Christian Bruel * config.gcc: Add sh4-300 to multilib. * config/sh/t-mlib-sh4-300: New file. 2007-03-28 Andreas Krebbel * config/s390/s390.md ("fix_truncdi2"): New expander. ("fix_truncdi2_dfp"): New insn definition renamed from fix_truncdi2. ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use fix_truncdi2_dfp instead of fix_truncdi2. ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2", "fixuns_trunctddi2"): Whitespace fix. 2007-03-28 Kaz Kojima * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after the definition of struct sh_args. (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_INT_REG_GET): Likewise. 2007-03-28 Steven Bosscher * ifcvt.c (cond_exec_find_if_block): Return FALSE if no transformations are applied successfully. 2007-03-27 Douglas Gregor * tree.c (tree_contains_struct): Permit 512 tree codes. * tree.h (tree_contains_struct): Ditto. (MAX_TREE_CODES): Ditto. (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add SPARE member to store remaining padding bits. 2007-03-27 Anatoly Sokolov * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4' architecture. 2007-03-27 Janis Johnson * configure.ac: Fix assembler test for powerpc*-linux decimal float. * configure: Regenerate. * configure: Regenerate using the correct version of autoconf. 2007-03-27 Anatoly Sokolov * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack pointer regs. * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__" regs to "__SP_L__" and "__SP_H__". 2007-03-27 Richard Guenther * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and computations with it with a HOST_WIDE_INT variable. 2007-03-26 Mike Stump * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add objective-c-header, objective-c++-header and objc++-cpp-output support. * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise. 2007-03-26 Richard Henderson PR target/31361 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): New. (ix86_init_mmx_sse_builtins): Add them. (ix86_expand_builtin): Expand them. * config/i386/sse.md (ashr3, lshr3, ashl3): Make operand 2 be TImode. * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32, _mm_srli_epi64): Mark __B const. (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions. (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16, _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use new two-vector shift builtins. 2007-03-26 Ian Lance Taylor PR tree-optimization/31345 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like [+INF, +INF(OVF)] into VARYING. 2007-03-26 Zack Weinberg * gengtype-parse.c: New file. * gengtype-yacc.y: Delete. * gengtype-lex.l: Don't include gengtype-yacc.h. Define YY_DECL and yyterminate appropriately for recursive descent parser. yylval is now a string out-parameter to yylex. (HWS, EOID): New shorthand. (IWORD): Add a couple more types. (yylex): Add a setup stanza. Remove the complex rules for detecting GTY'ed types and typedefs; replace with simple keyword detectors. Adjust everything for the changed definition of yylval. Ignore all pp-directives, not just #define. (yyerror): Delete. (parse_file): Rename yybegin; do not call yyparse. (yyend): New. * gengtype.c (xasprintf): Export again. (this_file): New. Use everywhere __FILE__ was being used. (get_lang_bitmap): Special case types defined in gengtype.c. (do_typedef, new_structure): Suppress definition of certain types. (new_structure): Improve diagnostics of duplicate definitions. Make sure location_s is associated with input.h. (nreverse_pairs, define_location_structures): New functions. (main): Improve tagging of kludge types. Remove old kludges for input.h types; use define_location_structures. * gengtype.h: Update prototypes. Define token codes here. * Makefile.in: Remove all references to gengtype-yacc. Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o and gengtype. * bitmap.h (struct bitmap_head_def): Coalesce definitions, add GTY((skip)) to the field that's only conditionally there. * doc/install.texi: Document that Bison is no longer required unless building treelang. * gengtype.c: Don't include gtyp-gen.h. (srcdir): Declare here. (base_files, lang_dir_names): Allocate dynamically. (gt_files, num_gt_files, num_lang_dirs): New globals. (measure_input_list, read_input_line, read_input_list) (set_lang_bitmap): New functions. (get_base_file_bitmap): Rename get_lang_bitmap and drastically simplify, relying on read_input_list to set up the bitmaps. (main): Arguments are no longer unused. Check for correct number of command line arguments, set srcdir and srcdir_len, then call read_input_list, before doing anything else. No need to worry about duplicates in main loop. * configure.ac: Simplify the calculation of all_gtfiles. Put language tags in there. Don't set or substitute all_gtfiles_files_langs or all_gtfiles_files_frags. * Makefile.in: Revamp the way gengtype is invoked, now that it takes a file on its command line with a much simpler format. Remove or replace with gtyp-input.list all references to gtyp-gen.h. (GTFILES): Remove duplicates and C source files. * c-config-lang.in, cp/config-lang.in, objc/config-lang.in * objcp/config-lang.in: Add c-pragma.h to gtfiles. * configure: Regenerate. * gengtype.h: Remove all type definitions to gengtype.c; leave only definitions of options_p, type_p, and pair_p as opaque pointers. Update prototypes. * gengtype.c: Many type definitions moved here from gengtype.h. Consolidate type definitions at the top of the file. (xvasprintf): Delete. (xasprintf): Make static. (create_nested_pointer_option): Add 'next' parameter. (create_field_all, create_field_at): New functions. (create_field): Now a thin wrapper around create_field_all. (create_optional_field): Rename create_optional_field_ and add line argument. Original name is now a macro which supplies __LINE__. (oprintf): Use vsnprintf directly. (close_output_files): Use fatal rather than perror/exit. (note_def_vec, note_def_vec_alloc): Use create_field_at. (main): Set progname. Don't use exit. * gengtype-yacc.y (struct_fields): Use create_field_at. (option, optionseqopt): Delete. (optionseq): Consolidate productions from option here so we can use the first argument to create_option. * gengtype-lex.l: Distinguish unions from structures in the token type. Don't call find_structure; return the tag as a string. * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string. Reorganize typedef_struct production accordingly. Use create_nested_ptr_option. * gengtype.c (create_nested_ptr_option): New function. * gengtype.h: Declare it. * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char. (string_type): Don't declare. (do_scalar_typedef): Declare. (create_scalar_type): Update prototype. * gengtype.c (string_type): Make static. (scalar_nonchar, scalar_char): New. (do_scalar_typedef): Export. Always use scalar_nonchar for the type. (resolve_typedef): Use scalar_nonchar for error recovery. (create_scalar_type): Remove name_len field. Return scalar_char or scalar_nonchar as appropriate. (adjust_field_type): Look at scalar_is_char boolean to decide whether to use string_type. (throughout): Use scalar_nonchar instead of calling create_scalar_type, whenever possible. (main): Initialize scalar_char and scalar_nonchar before calling gen_rtx_next. * gengtype-lex.l: Adjust for removal of second argument to create_scalar_type. Use yylval.s instead of yylval.t when returning SCALAR. * gengtype-yacc.y: Type of SCALAR is string. Call create_scalar_type from type:SCALAR rule. Adjust for removal of second argument to create_scalar_type. * vec.h: Remove all #if IN_GENGTYPE blocks. Add comment saying that changes may require adjustments to gengtype. * gengtype.c: Don't include coretypes.h or tm.h. Add comment to inclusion of errors.h. (note_def_vec, note_def_vec_alloc): New functions. * gengtype.h: Declare new functions. * gengtype-lex.l: Don't include coretypes.h. (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name): Delete. (update_lineno): Remove unnecessary prototype. (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc. (VEC rule): Just return VEC_TOKEN. * gengtype-yacc.y (VEC_TOKEN): New token type. (type): Add a production for VEC(a,b). * Makefile.in: Update dependencies. * gengtype-lex.l: Remove rules for parsing pointer-to-function typedefs that use the old PARAMS macro. * gengtype-lex.l: Remove all rules and states relating to yacc input files. * gengtype-yacc.y: Similarly. * gengtype.c (note_yacc_type): Delete function. * gengtype.h: Update prototypes. 2007-03-26 Joseph Myers * tree-pretty-print.c (dump_generic_node): Report precision of unnamed integer types. 2007-03-26 Steven Bosscher * ifcvt.c (noce_try_store_flag_constants): Don't check no_new_pseudos here. (noce_try_store_flag_constants): Don't check no_new_pseudos. (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith, noce_try_cmove_arith, noce_try_minmax, noce_try_abs, noce_try_sign_mask): Likewise. (if_convert): Check no_new_pseudos here. (cond_exec_process_if_block, noce_process_if_block, find_if_block): Remove prototypes. (struct noce_if_info): Add then_bb, else_bb, join_bb members. (noce_get_condition): Handle new then_else_reversed argument. (noce_init_if_info): Remove, fold into noce_find_if_block. (noce_process_if_block): Take a struct noce_if_info as the argument. Don't set up one based on ce_if_info. Update pointer references accordingly. (cond_move_process_if_block): Likewise. (process_if_block): Removed. (find_if_block): Removed. Move functionality two new functions, noce_find_if_block and cond_exec_find_if_block. (noce_find_if_block): New function. Be aware of IF-THEN-JOIN blocks and the symmetric IF-ELSE-JOIN case. (cond_exec_find_if_block): Also new function mostly based on old find_if_block and process_if_block. (find_if_header): Replace find_if_block call with separately guarded calls to noce_find_if_block and cond_exec_find_if_block. (find_cond_trap): Update noce_get_condition call. (dead_or_predicable): Likewise. 2007-03-26 Jakub Jelinek * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD): Remove. (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove. (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128, __builtin_ia32_pslld128, __builtin_ia32_psllq128, __builtin_ia32_psrlw128, __builtin_ia32_psrld128, __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and __builtin_ia32_psrad128 builtins. 2007-03-26 Uros Bizjak * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert(). * config/i386/constraints.md (define_constraint "I"): Use IN_RANGE macro. (define_constraint "J"): Ditto. (define_constraint "K"): Ditto. (define_constraint "M"): Ditto. (define_constraint "N"): Ditto. (define_constraint "O"): Ditto. * config/i386/predicates.md (define_predicate "register_no_elim_operand"): Use IN_RANGE macro. (define_predicate "const_0_to_3_operand"): Ditto. (define_predicate "const_0_to_7_operand"): Ditto. (define_predicate "const_0_to_15_operand"): Ditto. (define_predicate "const_0_to_63_operand"): Ditto. (define_predicate "const_0_to_255_operand"): Ditto. (define_predicate "const_1_to_31_operand"): Ditto. (define_predicate "const_2_to_3_operand"): Ditto. (define_predicate "const_4_to_7_operand"): Ditto. 2007-03-25 David Edelsohn * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR in SImode for save_world. * config/rs6000/altivec.md (save_world, restore_world): Convert to LR hard reg. 2007-03-25 Dorit Nuzman PR tree-optimization/30784 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case BIT_FIELD_REF. 2007-03-25 Revital Eres * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Fold movement_possibility function into it. 2007-03-25 David Edelsohn * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0. (load_macho_picbase_{si,di}): Convert to LR hard reg. (call_indirect_nonlocal_darwin64): Same. (call_nonlocal_darwin64): Same. (call_value_indirect_nonlocal_darwin64): Same. (call_value_nonlocal_darwin64): Same. (sibcall_nonlocal_darwin64): Same. (sibcall_value_nonlocal_darwin64): Same. (sibcall_symbolic_64): Same. (sibcall_value_symbolic_64): Same. * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove LR pseudo. (rs6000_emit_load_toc_table): Same. * config/rs6000/altivec.md (restore_world): Convert to LR hard reg. * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg. (mull_call): Same. (divss_call): Same. (divus_call): Same. (quoss_call): Same. (quous_call): Same. (load_toc_v4_pic_si): Same (load_toc_v4_PIC_1): Same. (load_toc_v4_PIC_1b): Same. (call_indirect_aix{32,64}): Same. (call_value_indirect_aix{32,64}): Same. (call): Same. (call_value): Same. (call_local{32,64}): Same. (call_value_local{32,64}): Same. (call_indirect_nonlocal_aix{32,64}): Same. (call_nonlocal_aix{32,64}): Same. (call_value_indirect_nonlocal_aix{32,64}): Same. (call_value_nonlocal_aix{32,64}): Same. (call_indirect_nonlocal_sysv): Same. (call_nonlocal_sysv): Same. (call_value_indirect_nonlocal_sysv): Same. (call_value_nonlocal_sysv): Same. (sibcall): Same. (sibcall_local{32,64}): Same. (sibcall_value_local{32,64}): Same. (sibcall_nonlocal_aix{32,64}): Same. (sibcall_value_nonlocal_aix{32,64}): Same. (sibcall_nonlocal_sysv): Same. (sibcall_value): Same. (sibcall_value_nonlocal_sysv): Same. 2007-03-24 Paul Brook * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push. * config/arm/linux-eabi.h: Remove legacy syscall hack. 2007-03-24 Richard Henderson * config/ia64/constraints.md: New file. * config/ia64/predicates.md: Replace CONST_OK_FOR_? with satisfies_constraint_?. * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p, ia64_reload_gp, spill_restore_mem, ia64_expand_prologue, ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs, ia64_output_mi_thunk): Likewise. (ia64_const_ok_for_letter_p): Remove. (ia64_const_double_ok_for_letter_p): Remove. (ia64_extra_constraint): Remove. * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove. (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT, EXTRA_MEMORY_CONSTRAINT): Remove. * config/ia64/ia64.md: Include constriants.md. Replace CONST_OK_FOR_? with satisfies_constraint_?. 2007-03-23 Michael Meissner H.J. Lu * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the DPD or BID name. (name macros): Use DPD_BID_NAME to convert names properly. * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current decimal floating point format. (init_floating_libfuncs): Change decimal functions so that they have a "bid_" prefix if the decimal system uses the BID format, and "dpd_" prefix if the decimal system uses the DPD format. (init_interclass_conv_libfuncs): Ditto. (init_intraclass_conv_libfuncs): Ditto. * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are using the BID format. * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say whether we are using the BID decimal format. * configure: Regenerate. * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if the compiler has decimal floating point enabled. Define __DECIMAL_BID_FORMAT__ if BID decimal floating point is used instead of DPD. * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are using the BID format. * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say whether we are using the BID decimal format. * configure: Regenerate. * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if the compiler has decimal floating point enabled. Define __DECIMAL_BID_FORMAT__ if BID decimal floating point is used instead of DPD. * doc/install.texi (--enable-decimal-float): Document BID and DPD options, and that it is enabled for i386/x86_64 systems. * Makefile.in (enable_decimal_float): New. (DECNUMFMT): New. (DECNUMINC): Add -I$(DECNUMFMT). (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h to $(DECNUMFMT) from $(DECNUM). * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}. Substitute enable_decimal_float. * configure: Regenerated. PR other/30529 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of unsigned long. * configure.ac: Enable decimal float for x86_64-*-linux*. * configure: Regenerated. PR other/30530 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and decimal128ClearSign to flip and clear the sign bit in decimal128. (decimal_real_maxval): Set decimal128SetSign to set the sign bit in decimal128. 2007-03-23 Ian Lance Taylor * fold-const.c (fold_binary): Correct warning for X - c >= X. 2007-03-23 Ian Lance Taylor * tree-dump.c (dump_files): Correct comment. 2007-03-23 Ian Lance Taylor * tree-vrp.c (operand_less_p): Ignore fold overflow warnings. 2007-03-23 Steven Bosscher * tracer.c (tracer): Don't take FLAGS argument. Assert we are in cfglayout mode. Don't go into and out of cfglayout mode. Link the blocks in the order of the constructed traces. (rest_of_handle_tracer): Adjust call to tracer. * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode. Don't go into cfglayout mode. (rtl_loop_done): Don't go out of cfglayout mode. * cfglayout.c (relink_block_chain): New function, split out from... (fixup_reorder_chain): ...here. Remove redundant checking. (cfg_layout_finalize): Don't clear the header, footer, and aux fields here, move the code to do so to relink_block_chain. Likewise for free_original_copy_tables. * rtl.h (tracer): Update prototype. * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument. Assert we are in cfglayout mode. Don't go into and out of cfglayout mode. Use relink_block_chain to serialize the CFG according to the new basic block order. Move targetm.cannot_modify_jumps_p check from here... (gate_handle_reorder_blocks): ...to here. (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check from here... (gate_duplicate_computed_gotos): ...to here. (rest_of_handle_reorder_blocks): Don't see if anything has changed, something always changes when going into and out of cfglayout mode. Perform an expensive cfg cleanup while going into cfglayout mode. Always update liveness information on HAVE_conditional_execution targets. Reserialize the basic blocks and go out of cfglayout mode. * reg-stack.c: Include cfglayout.h. (rest_of_handle_stack_regs): Go into and out of cfglayout mode around the call to reorder_basic_blocks. * basic-block.h (reorder_basic_blocks): Update prototype. (relink_block_chain): New prototype. * passes.c (pass_outof_cfg_layout_mode): Move after cse2. 2007-03-23 Joseph Myers * config/mips/mips.md (type, hazard, *movdi_32bit, *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc, *movhi_internal, *movqi_internal, *movsf_hardfloat, *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat, movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high, mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as applicable. (movcc): Change first xfer to multi. * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md, config/mips/5000.md, config/mips/5400.md, config/mips/5500.md, config/mips/5k.md, config/mips/7000.md, config/mips/9000.md, config/mips/generic.md: Change reservations using "xfer" to use "mfc,mtc". * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of using match_operand. (ir_sb1_mfxfer): Use "mfc" instead of using match_operand. * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of examining mode. (ir_sr70_xfer_to): Use "mtc" instead of examining mode. 2007-03-22 Richard Henderson * config/i386/i386.c: Remove unnecessary function declarations. Move targetm definition, and all related macros, to the end of the file. Resort some functions to put definitions before uses. (ix86_attribute_table): Make static. Move to end of file. (ix86_gimplify_va_arg): Make static. 2007-03-22 Richard Henderson * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit; don't increase local_regparm with force_align_arg_pointer check. (ix86_function_sseregparm): Assert 32-bit. (type_has_variadic_args_p): New. (ix86_return_pops_args): Early exit for 64-bit. Reindent; use type_has_variadic_args_p. (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax. (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum; use memset instead. Do maybe_vaarg check first; skip attribute tests if true; skip attribute tests for 64-bit. (construct_container): Remove TARGET_DEBUG_ARG. (function_arg_advance_32, function_arg_advance_64): Split out ... (function_arg_advance): ... from here. (function_arg_32, function_arg_64): Split out ... (function_arg): ... from here. (ix86_pass_by_reference): Tidy. (ix86_function_value_regno_p): Rearrange w/ switch on regno. (function_value_32): New, from parts of ix86_function_value and ix86_value_regno. (function_value_64): New, from parts of ix86_function_value and ix86_libcall_value. (ix86_function_value_1): New. (ix86_function_value, ix86_libcall_value): Use it. (return_in_memory_32, return_in_memory_64): Split out ... (ix86_return_in_memory): ... from here. (ix86_struct_value_rtx): Skip for 64-bit. (ix86_libcall_value, ix86_value_regno): Remove. (setup_incoming_varargs_64): Split out ... (ix86_setup_incoming_varargs): ... from here. (ix86_va_start): Remove TARGET_DEBUG_ARG. (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR. * config/i386/i386-protos.h (ix86_function_value): Remove. * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove. 2007-03-22 Manuel Lopez-Ibanez PR other/23572 * c-lex.c (interpret_float): On overflow, emit pedantic warning if infinities not supported, otherwise emit warning if -Woverflow. On underflow, emit warning if -Woverflow. * real.c (real_from_string): Return -1 if underflow, +1 if overflow and 0 otherwise. * real.h (real_from_string): Update declaration 2007-03-22 Kai Tietz Richard Henderson * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default. * calls.c (compute_argument_block_size, expand_call, emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE. * expr.c (block_move_libcall_safe_for_call_parm): Likewise. * function.c (STACK_DYNAMIC_OFFSET): Likewise. * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update. * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h, config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h, config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h, config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE): Set to 1. 2007-03-22 Joseph Myers * c-incpath.c (add_sysroot_to_chain): New. (merge_include_chains): Add sysroot argument. Call add_sysroot_to_chain if sysrooted. (register_include_chains): Update call to merge_include_chains. * doc/cppopts.texi: Document use of '=' in include directory arguments. 2007-03-22 Uros Bizjak * config/i386/i386.md (cmp): Rename from cmpsf and cmpdf. Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P. (*cmpfp_): Rename from *cmpfp_sf and *cmpfp_df. Macroize insn pattern using X87MODEF12 mode macro. 2007-03-21 Seongbae Park * regmove.c (regmove_optimize): Use reg_mentioned_p instead of reg_overlap_mentioned_p for DST. 2007-03-21 Mike Stump * c.opt: Fixup for Objective-C/C++. 2007-03-21 Steve Ellcey * explow.c (convert_memory_address): Fold memory reference when POINTERS_EXTEND_UNSIGNED < 0 2007-03-21 Richard Henderson PR target/31245 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias. * config/i386/mmintrin.h (__m64): Likewise. * config/i386/xmmintrin.h (__m128): Likewise. 2007-03-21 Richard Sandiford * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options. (VXWORKS_OS_CPP_BUILTINS): Define. * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into... (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS. 2007-03-21 Richard Sandiford * rtl.h (constant_pool_reference_p): Delete. (find_constant_src): Declare. * rtlanal.c (find_constant_src): New function. * simplify-rtx.c (constant_pool_reference_p): Delete. * config/i386/i386.md: Use find_constant_src instead of constant_pool_reference_p/avoid_constant_pool_reference pairs. 2007-03-21 Richard Sandiford * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__. * c-cppbuiltin.c (c_cpp_builtins): Define them. 2007-03-20 Mark Mitchell * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define. * config/arm/arm.c (arm_elf_asm_cdtor): New function. (arm_elf_asm_constructor): Use it. (arm_elf_asm_destructor): New function. 2007-03-20 Bernd Schmidt * jump.c (mark_jump_label): Treat SEQUENCE specially. 2007-03-20 Nathan Sidwell * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks. 2007-03-19 Andrew Haley PR tree-optimization/31264 * tree-vrp.c (register_edge_assert_for_1): Don't look though VIEW_CONVERT_EXPRs. 2007-03-19 Paolo Bonzini PR rtl-optimization/30907 * fwprop.c (forward_propagate_into): Never propagate inside a loop. (fwprop_init): Always call loop_optimizer_initialize. (fwprop_done): Always call loop_optimizer_finalize. (fwprop): We always have loop info now. (gate_fwprop_addr): Remove. (pass_fwprop_addr): Use gate_fwprop as gate. PR rtl-optimization/30841 * df-problems.c (df_ru_local_compute, df_rd_local_compute, df_chain_alloc): Call df_reorganize_refs unconditionally. * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change refs_organized to refs_organized_size. (df_ref_create_structure): Use refs_organized_size instead of bitmap_size if refs had been organized, and keep refs_organized_size up-to-date. * df.h (struct df_ref_info): Change refs_organized to refs_organized_size. (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of bitmap_size. 2007-03-19 Mark Mitchell * except.c (output_function_exception_table): Do not reference the EH personality routine for functions that do not require an exception table. 2007-03-20 Jakub Jelinek PR c/30762 * c-typeck.c (convert_for_assignment): Call comptypes for RECORD_TYPE or UNION_TYPE. PR inline-asm/30505 * reload1.c (reload): Do invalid ASM checking after cleanup_subreg_operands. 2007-03-19 Jeff Law * tree-cfg.c (find_taken_edge): Tighten conditions for optimizing computed gotos. 2007-03-19 Michael Matz * builtins.c (expand_builtin_sync_operation, expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set): Care for extending CONST_INTs correctly. * config/i386/sync.md (sync_double_compare_and_swapdi_pic, sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint for operand 3. 2007-03-19 Andreas Krebbel * doc/tm.texi: Add brackets around the return type of TARGET_SECONDARY_RELOAD. 2007-03-19 Andrew Pinski Richard Guenther PR tree-optimization/31254 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Use handled_component_p () where appropriate. Continue propagating into the rhs if we propagated into an INDIRECT_REF on the lhs. 2007-03-19 Andreas Krebbel * config/s390/s390.md (op_type attribute): RRR instruction type added. (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros. (xde, xdee): Mode attributes adjusted to support DFP modes. (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added. ("cmp", "*cmp_css_0", "*cmp_ccs", TF move splitters, DF move splitters, "floatdi2", "add3", "*add3", "*add3_cc", "*add3_cconly", "sub3", "*sub3", "*sub3_cc", "*sub3_cconly", "mul3", "*mul3", "div3", "*div3", "*neg2_nocc", "*abs2_nocc", "*negabs2_nocc", "copysign3"): Adjusted to support DFP numbers. ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31", "movsf"): Insn definitions removed. ("*mov_64", "*mov_31", "mov", "*mov_64dfp", "*mov_64", "*mov_31", "fix_truncdi2", "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn definitions added. ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov", "reload_in", "reload_out"): Expander added. ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"): Expander removed. 2007-03-19 Andreas Krebbel * config/s390/s390.md: Only non-functional changes. Renamed FPR mode macro to BFP all over the file. 2007-03-19 Andreas Krebbel * config/s390/s390.md (UNSPEC_COPYSIGN): New constant. (op_type attribute): RRF instruction type added. (fT0): New mode attribute. ("*movdi_64dfp", "*movdf_64dfp", "*neg2_nocc", "*abs2_nocc", "*negabs2_nocc", "copysign3"): Insn definitions added. * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction no secondary memory is needed when moving DFmode values between GPRs and FPRs. 2007-03-19 Andreas Krebbel * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value inverted and documentation adjusted. ("mhard-dfp", "msoft-dfp"): New options. * config/s390/s390.c (s390_handle_arch_option): New architecture switch: z9-ec. (override_options): Sanity checks for the new options added. * config.gcc: New architecture switch: z9-ec. * config/s390/s390.h (processor_flags): PF_DFP added. (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added. (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled when the bit is NOT set so remove it from the defaults. 2007-03-19 Andreas Krebbel * genemit.c (main): Print include statement for dfp.h. * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum is not available. 2007-03-19 Hans-Peter Nilsson * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here. 2007-03-19 Kaz Kojima PR target/31022 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set instead of PATTERN. 2007-03-18 John David Anglin * pa.c (output_deferred_plabels, output_bb, output_millicode_call, attr_length_call, output_call, output_indirect_call): Cleanup formatting of targetm calls. 2007-03-19 Hans-Peter Nilsson * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1. 2007-03-18 John David Anglin * pa.md: Add fpstore_load and store_fpload instruction types. Provide reservation, bypass and anti-bypass descriptions for these instructions. Update move patterns. * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and TYPE_FPSTORE. 2007-03-18 Dorit Nuzman * tree-vect-transform.c (get_initial_def_for_induction): Replace GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS. (get_initial_def_for_reduction): Likewise. 2007-03-16 Daniel Berlin Fix PR tree-optimization/29922 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members. (get_representative): Removed. (value_dies_in_block_x): Update for rvuse removal. (valid_in_sets): Update for renaming of vuses_dies_in_block_x. (compute_antic_aux): Handle when PHI nodes appear in non-single-successors. (dump_bitmap_of_names): Removed. (compute_antic_safe): Renamed and removed rvuse calculation. Calculate only antic safe. (insert_into_preds_of_block): Remove assert. (execute_pre): Update for renamed functions. (defer_or_phi_translate_block): New function. 2007-03-17 Kazu Hirata * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c, config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment typos. * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos. Follow spelling conventions. * tree-data-ref.h: Remove the prototype for analyze_array. 2007-03-17 Dorit Nuzman PR tree-optimization/31041 * tree-vect-transform.c (get_initial_def_for_induction): Call force_gimple_operand. 2007-03-17 Olga Golovanevsky * ipa-type-escape.c (look_for_casts) : Revert code to use handled_component_p due to ada test a-numaux.adb. 2007-03-17 Kazu Hirata * final.c (final_scan_insn): Alter the condition of a conditional trap if we have nonstandard CC. 2007-03-16 Alexandre Oliva * configure.ac: Remove excess quoting from asm line 0 test. * configure: Rebuilt. 2007-03-16 Manuel Lopez-Ibanez * doc/invoke.texi (-Wconversion): Document warnings specific to C++. * c-common.c (convert_and_check): Move warning logic to... (warnings_for_convert_and_check): ...here. Define. * c-common.h (warnings_for_convert_and_check): Declare. 2007-03-16 John David Anglin * pa.c (attr_length_call): Partially revert change of 2007-03-09. (output_call): Likewise. 2007-03-16 Richard Sandiford * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define. 2007-03-16 Richard Sandiford * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define. 2007-03-16 Uros Bizjak * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8, opteron, athlon-64 and athlon-fx processor_alias_table entries. 2007-03-16 Sebastian Pop PR tree-optimization/31183 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops): Use double_int instead of unsigned int for representing access_strides. * testsuite/gcc.dg/tree-ssa/pr31183.c: New. 2007-03-16 Richard Guenther PR tree-optimization/31146 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure to allow recursion of forward_propagate_addr_expr. (forward_propagate_addr_into_variable_array_index): Likewise. (forward_propagate_addr_expr): Likewise. (tree_ssa_forward_propagate_single_use_vars): Likewise. (forward_propagate_addr_expr_1): Recurse on simple copies instead of propagating into them. Do so for useless conversions as well. (forward_propagate_addr_expr): Clean up unused statements after recursion. 2007-03-16 Richard Guenther * builtins.c (expand_builtin_cexpi): Use the right argument for the expansion via cexp. 2007-03-16 Alexandre Oliva * configure.ac: Don't require ELF binutils to tolerate # 0 "". * configure: Rebuilt. 2007-03-16 Alexandre Oliva PR debug/29906 * dwarf2out.c (force_type_die): Adjust comment. (dwarf2out_imported_module_or_decl): Handle base AT_import types. 2007-03-15 DJ Delorie * config/frv/predicates.md (minmax_operator): Don't check operands here. 2007-03-15 Zdenek Dvorak * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument. Update constant estimates of number of iterations. (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p" argument renamed to "realistic". (compute_estimated_nb_iterations): Removed. (record_niter_bound): New function. (idx_infer_loop_bounds): For possible but unlikely tail arrays, call record_nonwrapping_iv with upper = false. (infer_loop_bounds_from_signedness): Pass upper argument to record_nonwrapping_iv. (estimate_numbers_of_iterations_loop): Do not call compute_estimated_nb_iterations. Record estimate based on profile information. Initialize the constant estimates of number of iterations. * tree-data-ref.c (estimated_loop_iterations): Return the recorded estimates. * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when number of iterations is too small. * cfgloop.h (struct nb_iter_bound): Remove "realistic" field. (EST_NOT_AVAILABLE): Removed. (struct loop): Replace estimated_nb_iterations by any_upper_bound, nb_iterations_upper_bound, any_estimate and nb_iterations_estimate fields. 2007-03-15 Zdenek Dvorak * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference): Handle NE_EXPR guards. 2007-03-15 Manuel Lopez-Ibanez PR c++/24924 * c-opts.c (c_common_post_options): Handle C++ post-processing here. Set also -pedantic-errors by default for the preprocessor unless -fpermissive is given. 2007-03-15 Richard Guenther PR middle-end/29719 PR middle-end/31161 * builtins.c (expand_builtin_cexpi): As a fallback if we don't have builtins for sincos or cexp create a function declaration for cexp and expand to a call to that. (expand_builtin_int_roundingfn): Always fall back to floor/ceil and its variants even if they may be not available. 2007-03-15 Steven Bosscher PR middle-end/31159 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead jump tables, move the call to delete_dead_jumptables from here... (cfg_layout_finalize): ...to here. But rebuild jump labels first. * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing, don't allow merging of blocks that try_redirect_by_replacing_jump also does not handle when not optimizing. 2007-03-15 Uros Bizjak Francois-Xavier Coudert * config/i386/i386.md (x86_sahf_1): Correctly handle HAVE_AS_IX86_SAHF. 2007-03-15 Uros Bizjak PR target/31167 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use x86_64_general_operand as operand[2] predicate. Remove "iF" from operand constraints and use "e" constraint instead. (*subti3_1, *subti3_1 splitter): Ditto. (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as operand[1] predicate. 2007-03-14 Sebastian Pop * tree-loop-linear.c (gather_interchange_stats): For multidimensional arrays, multiply the access strides by the size of the sub-array. * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New. 2007-03-14 Uros Bizjak * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether the configured assembler supports the sahf mnemonic. * configure: Regenerate. * config.in: Regenerate. * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF, emit "sahf" or ".byte\t0x9e" as asm template. 2007-03-14 Michael Meissner PR 31018 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning option to replace hard coded TARGET_xxx in md file. (X86_TUNE_AVOID_VECTOR_DECODE): Ditto. (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto. (X86_TUNE_SLOW_IMUL_IMM8): Ditto. (X86_TUNE_MOVE_M1_VIA_OR): Ditto. (X86_TUNE_NOT_UNPAIRABLE): Ditto. (X86_TUNE_NOT_VECTORMODE): Ditto. (TUNE_SHORTEN_X87_SSE): Use new tuning option. (TUNE_AVOID_VECTOR_DECODE): Ditto. (TUNE_SLOW_IMUL_IMM32_MEM): Ditto. (TUNE_SLOW_IMUL_IMM8): Ditto. (TUNE_MOVE_M1_VIA_OR): Ditto. (TUNE_NOT_UNPAIRABLE): Ditto. (TUNE_NOT_VECTORMODE): Ditto. * config/i386/i386.c (ix86_tune_features): Fill in new tuning options. * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new tuning options instead of hard coded TARGET_xxx. (fix ssemode peephole2's): Ditto. (imul peephole2's): Ditto. (movsi_or): Ditto. (movdi_or_rex64): Ditto. (move peephole2): Ditto. (not peephole2's): Ditto. 2007-03-14 Dirk Mueller * c-common.h (empty_body_warning): Rename to empty_if_body_warning. * c-common.c (empty_if_body_warning): Rephrase diagnostic message. * c-parser.c (c_parser_if_body): Always add an empty statement in case of empty body. * c-parser.c (c_parser_do_statement): Warn about empty body in do/while statement. * c-typeck (c_finish_if_stmt): Call empty_if_body_warning. * doc/invoke.texi (-Wempty-body): Update documentation. 2007-03-14 Manuel Lopez-Ibanez PR c/21438 * c-common.h (warn_for_div_by_zero): Declare. * c-common.c (warn_for_div_by_zero): Define. * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of warning. 2007-03-14 Richard Sandiford * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators to PREFIX and STANDARD_PREFIX. 2007-03-14 Richard Sandiford Phil Edwards * gthr-vxworks.h: Add an extern "C" wrapper for C++. (__gthread_once_t): Remove busy field for RTPs. (__GTHREAD_ONCE_INIT): Update accordingly. 2007-03-14 Richard Sandiford * doc/invoke.texi: Document VxWorks options. 2007-03-14 Uros Bizjak * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option. 2007-03-13 Seongbae Park PR tree-optimization/30590 * tree-nrv.c (tree_nrv): Check for the partial update of the return value. 2007-03-13 Alexandre Oliva * flags.h (flag_random_seed): Remove declaration, in favor of... * toplev.h (get_random_seed, set_random_seed): ... these. * tree.c (get_file_function_name): Use the former. * opts.c (common_handle_option): Use the latter. * toplev.c 2007-03-13 Steven Bosscher PR middle-end/31127 * cse.c (cse_find_path): Do not bail out if a basic block that we already visited now becomes part of a path that starts at a different basic block. Just disallow this, to make sure we visit each basic block at most once. 2007-03-13 Jan Hubicka * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes, when profile esitmate is present, calls with very low frequency are cold. 2007-03-13 Zdenek Dvorak PR tree-optimization/30730 PR tree-optimization/26900 * tree-ssa-loop-niter.c: Include gmp.h. (bounds): New type. (mpz_set_double_int, get_type_bounds, mpz_to_double_int, split_to_var_and_offset, determine_value_range, bound_difference_of_offsetted_base, refine_bounds_using_guard, bound_difference, bounds_add, bounds_negate, number_of_iterations_ne_max, dump_affine_iv): New functions. (number_of_iterations_ne, number_of_iterations_lt_to_ne, assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the difference of initial and final value of control iv to validate results. (number_of_iterations_cond): Add loop parameter. Determine bounds on the difference of the extremes of the control iv. Add dumps. (expand_simple_operations): Handle phi nodes. (simplify_using_initial_conditions): Do not record used conditions. (number_of_iterations_exit): Pass loop to number_of_iterations_cond. Do not set additional_info. (implies_nonnegative_p, implies_ge_p): Removed. (derive_constant_upper_bound): Do not use parameter `additional'. (record_estimate): Parameter `additional' removed. Parameter `i_bound' added. Do not call derive_constant_upper_bound. (record_nonwrapping_iv): Use derive_constant_upper_bound to bound the number of iterations estimate. (estimate_numbers_of_iterations_loop): Pass the estimate from the number of iterations analysis to record_estimate. * tree.h (multiple_of_p): Declare. * tree-scalar-evolution.c (expression_expensive_p): Removed. (scev_const_prop): Do not check expression_expensive_p. * fold-const.c (multiple_of_p): Exported. * double-int.c (double_int_mask): Exported. * double-int.h (double_int_mask): Declare. * tree-flow.h (struct tree_niter_desc): Removed additional_info field. Added max field. 2007-03-13 David Taylor PR driver/12448: * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass default -MQ. 2007-03-13 John David Anglin PR target/31123 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for two unamed patterns. 2007-03-13 Uros Bizjak * config/i386/i386.opt (mcx16, msahf): New options. * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove. (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC. * config/i386/driver-i386.c (bit_LAHF_LM): New define. (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits. Output -mcx16 and -msahf options when corresponding bit is set. * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16 and -msahf options. 2007-03-13 Alexandre Oliva * configure.ac: Test for assembler tolerance to # 0 "". * configure, config.in: Rebuilt. * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO. 2007-03-13 Geoffrey Keating * doc/invoke.texi (Spec Files): Update for '%{,' spec. * config/rs6000/darwin-fallback.c: Compile file only on powerpc. (handle_syscall): Handle direct system calls. * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete. 2007-03-12 Brooks Moses * doc/invoke.texi: Fix cpp.info cross-reference. * doc/passes.texi: Fix gcc.info cross-reference. 2007-03-12 Zdenek Dvorak PR tree-optimization/30835 * lambda-code.c (can_convert_to_perfect_nest): Check whether bb_for_stmt is not NULL before accessing it. 2007-03-12 Joseph Myers * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for some multilibs. 2007-03-12 Brooks Moses PR 30635 * doc/install.texi: Document --enable-stage1-languages 2007-03-12 Steven Bosscher * tree-pass.h (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): Declare. * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode, pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New. * passes.c (pass_into_cfg_layout_mode): Schedule before jump2. (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt. 2007-03-12 Seongbae Park * c-decl.c (warn_variable_length_array): New function. Refactored from grokdeclarator to handle warn_vla and handle unnamed array case. (grokdeclarator): Refactored VLA warning case. * c.opt (Wvla): New flag. * doc/invoke.texi (Wvla): New warning. 2007-03-12 Richard Henderson * config/alpha/alpha.c (alpha_elf_section_type_flags): New. (TARGET_SECTION_TYPE_FLAGS): New. 2007-03-12 Richard Henderson * config/darwin.c (machopic_reloc_rw_mask): New. * config/darwin-protos.h (machopic_reloc_rw_mask): Declare. * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New. 2007-03-12 Mark Mitchell * cppdefault.c (cpp_EXEC_PREFIX): New variable. * cppdefault.h (cpp_PREFIX): Document. (cpp_PREFIX_len): Likewise. (cpp_EXEC_PREFIX): New variable. * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX. * c-incpath.c (add_standard_paths): Correct logic for relocating paths within prefix. 2007-03-12 Uros Bizjak * config/i386/i386.md (fixuns_trunchi2): Implement from fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF mode macro. (fix_truncdi_sse): Implement from fix_truncsfdi_sse and fix_truncdfdi_sse using SSEMODEF mode macro. (fix_truncsi_sse): Implement from fix_truncsfsi_sse and fix_truncdfsi_sse using SSEMODEF mode macro. (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro. (fix_trunc?f?i_sse K8 peephole2): Fix register constraint. 2007-03-12 Richard Sandiford * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add elfos.h to tm_file. 2007-03-12 Olga Golovanevsky * tree.h : Add multiple_of_p declaration. * fold-const.c (multiple_of_p): Make multiple_of_p public. * ipa-type-escape.c (results_of_malloc): Redundant. (visited_stmts): New. Visited stmt for walk_use_def_chains. (cast_type): Extended with new members. (check_cast): Returns cast_type. (cast): New structure for data of walk_use_def_chains. (is_malloc_result, is_cast_from_non_pointer_1, is_cast_from_non_pointer, is_array_access_through_pointer_and_index): New functions. (look_for_casts): Returns cast types. (check_call): Returns void. (okay_pointer_operation): Use support of pointer plus index, pointer plus constant and allow all multiplications. 2007-03-11 Richard Guenther PR tree-optimization/31115 * tree-vrp.c (extract_range_from_binary_expr): Make sure the shift count is positive and non-anti-range for RSHIFT_EXPR. A shift count of zero is not special as with *_DIV_EXPR. (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow direction. 2007-03-11 Ian Lance Taylor * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and the *_DIV_EXPR codes correctly with overflow infinities. 2007-03-11 Ira Rosen * tree-data-ref.c (analyze_offset): Add a return value (bool) to indicate success/failure of the analysis. Add negation to subtrahend in case of subtraction. Fail if both operands contain constants. (create_data_ref): Fail if analyze_offset fails. 2007-03-11 Uros Bizjak * config/i386/i386.md (frndintxf2): Rename to ... (rintxf2): ... this. Remove expander having same name. (rintsf2, rintdf2): Implement using SSEMODEF macro. (roundsf2, rounddf2): Ditto. (lrintdi2, lrintsi2): Implement using SSEMODEI24 macro. (lrounddi2, lroundsi2): Ditto. 2007-03-11 Steven Bosscher * lower-subreg.c: Include except.h. (decompose_multiword_subregs): Verify that the only control flow insns we can split are loads to multi-words pseudos. Handle breaking such blocks after splitting, instead of calling find_many_sub_basic_blocks. * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK on the new basic block. Add a lengthy comment explaining why we thought this was necessary. * cfglayout.c (cfg_layout_finalize): Don't break superblocks. 2007-03-10 Mark Mitchell PR c++/30924 * tree.c (walk_type_fields): Recurse into the element type of ARRAY_TYPEs if there is a pointer set. 2007-03-10 Dirk Mueller * c-common.c (warn_logical_operator): Fix condition. 2007-03-10 Tobias Schlüter * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing quotation mark. * config/darwin.c (machopic_select_section): Remove superfluous argument in call to categorize_decl_for_section. Remove unused variable shlib. 2007-03-10 Joseph Myers * configure.ac (glibc_header_dir): Set using with_build_sysroot if defined. * configure: Regenerate. 2007-03-10 Uros Bizjak PR target/31101 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant. (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG. (fmodxf3, fmod3, remainderxf3, remainder3): Add LABEL_NUSES to emitted label. * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add branch probability value to emitted jump insn. * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG. Do not check life information and do not re-arrange input operands for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U. 2007-03-10 Kaz Kojima * config/sh/sh.c (sh_insn_length_adjustment): Adjust for the change of decode_asm_operands. 2007-03-10 Kaz Kojima * mode-switching.c (create_pre_exit): Skip blockage insn. 2007-03-09 Diego Novillo * tree-pass.h (TODO_update_smt_usage): Remove. Update all users. * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove argument SOME. Update all users. 2007-03-09 John David Anglin * pa.c (attr_length_call): Revise condition for long pc-relative branch. (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on SOM target. 2007-03-09 Geoffrey Keating * gcc.c: Document %{, in big comment at top. (input_suffix_matches): Remove special handling for .s and .S. (input_spec_matches): New. (handle_braces): Handle %{,. (validate_switches): ',' indicates a value which is not a switch. * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{. to detect assembler input. * config/i386/sol2.h (CPP_SPEC): Likewise. * config/rs6000/sysv4.h (ASM_SPEC): Likewise. * config/rs6000/vxworks.h (ASM_SPEC): Likewise. * config/rs6000/lynx.h (ASM_SPEC): Likewise. * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise. * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus -m64 causes deployment target to default to 10.5. * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise. 2007-03-09 Richard Henderson PR target/26090 * target.h (targetm.asm.out.reloc_rw_mask): New. * target-def.h (TARGET_ASM_RELOC_RW_MASK): New. (TARGET_ASM_OUT): Use it. * targhooks.c, targhooks.h (default_reloc_rw_mask): New. * varasm.c (categorize_decl_for_section): Remove shlib argument; use the new reloc_rw_mask target hook instead. (default_section_type_flags_1): Merge into... (default_section_type_flags): ... here. (decl_readonly_section_1): Merge into... (decl_readonly_section): ... here. (default_elf_select_section_1): Merge into... (default_elf_select_section): ... here. (default_unique_section_1): Merge into... (default_unique_section): ... here. (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New. (default_select_rtx_section): Use it. (default_elf_select_rtx_section): Likewise. * output.h: Update to match. * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New. * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New. (TARGET_ASM_RELOC_RW_MASK): New. * config/i386/i386.c (x86_64_elf_select_section): Adjust call to categorize_decl_for_section. (x86_64_elf_unique_section): Likewise. * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove. (TARGET_ASM_RELOC_RW_MASK): New. * config/ia64/ia64.c (ia64_rwreloc_select_section, ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove. (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New. (TARGET_RWRELOC): Remove. (ia64_section_type_flags): Adjust call to default_section_type_flags. * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New. * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove. (rs6000_elf_select_section, rs6000_elf_unique_section): Remove. (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New. (rs6000_xcoff_select_section): Use decl_readonly_section. (rs6000_xcoff_section_type_flags): Use default_section_type_flags. * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New. (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove. (TARGET_SECTION_TYPE_FLAGS): Remove. * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New. 2007-03-09 Roger Sayle * fold-const.c (fold_comparison): Remove compile-time evaluation of complex constant equality/inequality comparisons for here. (fold_binary) : Simplify complex comparisons that are known at compile-time or can be simplified to a scalar comparison. (fold_relational_const): Move compile-time evaluation of complex constant equality/inequality comparisons to here. 2007-03-09 Alexandre Oliva PR rtl-optimization/30643 * cse.c (cse_insn): Recompute dest_hash after insert_regs for dest_addr_elt. (fold_rtx): Recurse, like before 2006-11-03. 2007-03-09 DJ Delorie * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to m32c-pragma.o. 2007-03-09 Aldy Hernandez PR tree-optimization/30375 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if LHS of statements is not the same. * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New. 2007-03-09 Chao-ying Fu * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP REV 2. * doc/invoke.texi (-mdspr2): Document new option. * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH): New unspec for DSP REV 2. (mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because these instructions are extended in DSP REV 2. (mips-dspr2.md): Include. * config/mips/mips.opt (mdspr2): New option. * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI, MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI, MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI. (override_options): Check TARGET_DSPR2 to enable MASK_DSP. (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3. (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins. (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1 and 2 builtins. (bdesc_map): Add one field of unsupported_target_flags. (bdesc_arrays): Update entries to have extra fields. Add dsp_32only_bdesc. (mips_init_builtins): Initialize new function types. Check unsupported_target_fileds to filter out builtins. * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if TARGET_DSPR2. (ASM_SPEC): Pass mdspr2 to the assembler. * config/mips/mips-dspr2.md: New file. 2007-03-09 Sa Liu * config/rs6000/altivec.md: Fix vcond patterns using if_then_else. 2007-03-09 Ian Lance Taylor * opts.c (common_handle_option): Treat -Wstrict-overflow (with no argument) like -Wstrict-overflow=2. * doc/invoke.texi (Warning Options): Update documentation. 2007-03-09 Dirk Mueller PR c++/17946 * doc/invoke.texi (-Wlogical-op): Document. * common.opt (-Wlogical-op): New. * c-common.h (warn_logical_operator): Declare. * c-common.c (warn_logical_operator): Define. * c-typeck.c (parser_build_binary_op): Call warn_logical_operator. 2007-03-09 Alexandre Oliva * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name. * final.c (final_scan_insn): Test for non-"" file name. 2007-03-09 Sebastian Pop * doc/loop.texi: Document the Omega linear constraints solver. * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars, omega-max-geqs, omega-max-eqs, omega-max-wild-cards, omega-hash-table-size, omega-max-keys, and omega-eliminate-redundant-constraints. * tree-pass.h (pass_check_data_deps): Declared. * omega.c: New. * omega.h: New. * timevar.def (TV_CHECK_DATA_DEPS): Declared. * tree-ssa-loop.c (check_data_deps, gate_check_data_deps, pass_check_data_deps): New. * tree-data-ref.c (init_data_ref): Remove declaration. (dump_data_dependence_relation): Dump DDR_INNER_LOOP. (analyze_array): Renamed init_array_ref, move up initializations. (init_data_ref): Renamed init_pointer_ref. Moved before its call. Removed arguments that are set to NULL. (analyze_indirect_ref): Correct indentation, correct call to init_pointer_ref. (object_analysis): Call init_array_ref instead of analyze_array. (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP. (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead of DR_ACCESS_FNS_ADDR. (init_omega_eq_with_af, omega_extract_distance_vectors, omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr, ddr_consistent_p): New. (compute_affine_dependence): Check consistency of ddrs when flag_check_data_deps is passed. (analyze_all_data_dependences): Uncomment. (tree_check_data_deps): New. * tree-data-ref.h: Include omega.h. (DR_ACCESS_FNS_ADDR): Removed. (data_dependence_relation): Add inner_loop. (DDR_INNER_LOOP): New. * common.opt (fcheck-data-deps): New. * tree-flow.h (tree_check_data_deps): Declare. * Makefile.in (TREE_DATA_REF_H): Depend on omega.h. (OBJS-common): Depend on omega.o. (omega.o): Define. * passes.c (pass_check_data_deps): Scheduled. * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS, PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS, PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS, PARAM_VECT_MAX_VERSION_CHECKS, PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New. 2007-03-09 Richard Guenther PR tree-optimization/30904 PR middle-end/31058 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR the same way as *_DIV_EXPR. 2007-03-09 Alexandre Oliva * recog.c (decode_asm_operands): No mixed declarations and code. 2007-03-09 Alexandre Oliva * rtl.def (ASM_INPUT): Add location. * rtl.h (ASM_INPUT_SOURCE_LOCATION): New. (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New. (decode_asm_operands): Add loc operand. (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define. * stmt.c (expand_asm): Rename to... (expand_asm_loc): ... this. Add locus argument. Pass it on to gen_rtx_ASM_INPUT_loc. (expand_asm_expr): Adjust. * recog.c (decode_asm_operands): Add loc operand. (check_asm_operands, extract_insn): Adjust. * reload1.c (maybe_fix_stack_asms): Likewise. * final.c (asm_insn_count): Likewise. (final_scan_insn): Output # line before and after asm. 2007-03-09 Daniel Berlin * tree-ssa-structalias.c (variable_info): Remove finished_solution. (new_var_info): Ditto. (shared_bitmap_info_t): New structure. (shared_bitmap_table): New variable. (shared_bitmap_hash): New function. (shared_bitmap_eq): Ditto (shared_bitmap_lookup): Ditto. (shared_bitmap_add): Ditto. (merge_smts_into): Change to take bitmap directly. (find_what_p_points_to): Rewrite to use shared bitmap hashtable. (init_alias_vars): Init shared bitmap hashtable. (delete_points_to_sets): Delete shared bitmap hashtable. * tree-ssa-operands.c (add_virtual_operand): Partially revert the is_aliased removal as a change that was still necessary was deleted. 2007-03-09 Uros Bizjak * config/i386/i386.h (override_options): Conditionally disable x86_sahf for 64bit targets only. 2007-03-08 Andrew Pinski PR C/31072 * c-decl.c (merge_decls): Don't call make_var_volatile. * varasm.c (make_var_volatile): Remove. * output.h (make_var_volatile): Remove. 2007-03-08 Zdenek Dvorak PR tree-optimization/31085 * tree-ssa-address.c (create_mem_ref): Fix test of type of base. 2007-03-08 Kaveh R. Ghazi * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl, llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with ATTR_CONST_NOTHROW_LIST. * fold-const.c (tree_expr_nonnegative_warnv_p): Handle FIX_TRUNC_EXPR. 2007-03-08 Diego Novillo * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF. 2007-03-08 Geoffrey Keating PR 31013 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME is declared. * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is passed, use shared libgcc. 2007-03-08 Roger Sayle * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt instead of calling build2 with a GIMPLE_MODIFY_STMT. (honor_protect_cleanup_actions, lower_try_finally_switch): Likewise. * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt, ifc_temp_var): Likewise. * tree-inline.c (setup_one_parameter): Likewise. * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for): Likewise. * tree-nested.c (init_tmp_var, save_tmp_var, finalize_nesting_tree_1): Likewise. * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies): Likewise. * tree-profile.c (tree_gen_edge_profiler, tree_gen_ic_profiler): Likewise. * tree-scalar-evolution.c (scev_const_prop): Likewise. * tree-sra.c (sra_build_assignment): Likewise. * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise. * tree-ssa-math-opts.c (insert_reciprocals, execute_cse_sincos_1): Likewise. * tree-tailcall.c (adjust_accumulator_values, adjust_return_value): Likewise. * tree-vect-patterns.c (vect_pattern_recog_1): Likewise. * tree-vect-transform.c (vect_create_data_ref_ptr, bump_vector_ptr, vect_init_vector, get_initial_def_for_induction, vect_create_epilog_for_reduction, vectorizable_reduction, vectorizable_call, vectorizable_conversion, vectorizable_assignment, vectorizable_operation, vectorizable_type_demotion, vect_gen_widened_results_half, vect_permute_store_chain, vectorizable_store, vect_setup_realignment, vect_permute_load_chain, vectorizable_load, vectorizable_condition, vect_create_cond_for_align_checks): Likewise. * tree-vrp.c (build_assert_expr_for): Likewise. 2007-03-08 Ian Lance Taylor * tree-vrp.c: Include "intl.h". (usable_range_p): New static function. (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for overflowed values, juts set *strict_overflow_p. (compare_values): Only return -2 if one of the operands is not a constant. (compare_ranges): Call usable_range_p. (compare_range_with_value): Likewise. (vrp_evaluate_conditional_warnv): Rename from vrp_evaluate_conditional. Make static. Change all callers. (vrp_evaluate_conditional): New function. (simplify_div_or_mod_using_ranges): Issue warning about reliance on signed overflow. (simplify_abs_using_ranges): Likewise. (simplify_stmt_for_jump_threading): Add within_stmt parameter. * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add within_stmt parameter. * tree-ssa-propagate.c (fold_predicate_in): Update call to vrp_evaluate_conditional. * tree-ssa-threadedge.c (record_temporary_equivalences_from_stmts_at_dest): Change simplify parameter to take a second tree parameter. (simplify_control_stmt_condition): Likewise. (thread_across_edge): Likewise. * tree-flow.h (vrp_evaluate_conditional): Update declaration. (thread_across_edge): Likewise. * Makefile.in (tree-vrp.o): Depend upon intl.h. 2007-03-08 Uros Bizjak * config/i386/i386.h (TARGET_SAHF): New define. * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]: Also enable for m_K8, m_AMDFAM10 and m_CORE2. (x86_sahf): New global variable. (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set in processor flags. Do not unconditionally disable TARGET_USE_SAHF for 64-bit. (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF. (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF when expanding fcomi/sahf based tests. (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when expanding sahf based alternative. Emit sahf based sequence when optimizing for code size. * config/i386/i386.md (x86_sahf_1): Do not disable for TARGET_64BIT, enable for TARGET_SAHF. 2007-03-08 Martin Michlmayr * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove spurious whitespace from error message. 2007-03-08 Volker Reichelt PR c++/30852 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR. 2007-03-08 Alexandre Oliva * c-decl.c (grokdeclarator): Disable warnings for anonymous bitfields. * tree-sra.c (instantiate_element): Propagate disabled warnings from the element itself to the created variable. 2007-03-07 Richard Henderson PR target/30848 * reg-stack.c (emit_swap_insn): If a malformed asm was seen, silently fix up the stack in the case of a missing register. 2007-03-07 Paul Brook * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds. 2007-03-07 Joseph Myers * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs): New. (phase1_vrs): Use them. (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New. (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD, __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare. (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and __gnu_Unwind_Restore_WMMXC if required. (_Unwind_VRS_Pop): Implement iWMMXt support. * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD, gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC, gnu_Unwind_Save_WMMXC): Define. 2007-03-07 Richard Sandiford * config/vxworks.h (vxworks_override_options): Declare. (VXWORKS_OVERRIDE_OPTIONS): Use it. * config/vxworks.c: Include target.h and toplev.h. (vxworks_override_options): New function. * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h. 2007-03-07 Andreas Krebbel * config/s390/s390.c (override_options): Don't emit an error when -mstack-size is used without providing -mstack-guard. (s390_emit_prologue): Choose stack_guard value automatically if not provided via command line. * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size. 2007-03-07 Richard Sandiford * config/i386/i386.c (output_set_got): Add a GOT initialization sequence for VxWorks PIC. (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers around labels as well as symbols. Use gotoff_operand instead of local_symbolic_operand. (legitimize_pic_address): Use gotoff_operand instead of local_symbolic_operand. Use @GOT accesses for labels as well as symbols. (ix86_output_addr_diff_elt): Use PC-relative rather than GP-relative offsets for VxWorks PIC. (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless no_new_pseudos. Check whether the returned register is op0. * config/i386/i386.md (tablejump): Use PC-relative rather than GP-relative offsets for VxWorks PIC. * config/i386/predicates.md (gotoff_operand): New predicate. 2007-03-06 Richard Sandiford * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine before defining. * config/vxworks-dummy.h: New file. * config/i386/i386.h: Include it. 2007-03-07 Alexandre Oliva * dwarf2out.c (is_inlined_entry_point): New (add_high_low_attributes): Emit DW_AT_entry_pc along with DW_AT_ranges if the first subblock is the entry point. 2007-03-06 David Daney * doc/install.texi (mips-*-*): Change recommended binutils version. 2007-03-06 Anatoly Sokolov * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P, ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162 devices. * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). 2007-03-06 Jan Hubicka * errors.h (warning, error, fatal, internal_error): Mark as cold. * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions are hot. (probably_cold_bb_p): Cold functions are cold. (probably_never_executed_bb_p): Cold functions are cold. (tree_bb_level_predictions): Predict calls to cold functions as not taken. (compute_function_frequency): Check hot/cold attributes. * function.h (function_frequency): Update comments. * predict.def (PRED_COLD_FUNCTION): Predict cold function. * c-common.c (handle_hot_attribute, handle_cold_attribute): New. (c_common_att): Add cold and hot. * doc/extend.texi (hot,cold attributes): Document. 2007-03-06 Andrew Haley * function.c (expand_function_end): Move blockage to just after we emit the label for the naked return from the function. 2007-03-06 Richard Sandiford * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine before redefining. 2007-03-06 Jan Hubicka * reg-stack.c (reg_to_stack): Large models don't allow NAN to be loaded for constant large models. Non-large 64bit PIC can do. * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit. * cmodel.h: Add LARGE PIC. * i386.md (UNSPEC_PLTOFF): New. (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as needed. (*call_1_rex64): Disable for large models. (*call_1_rex64_large): New. (*call_value_1_rex64): Disable for large models. (*call_value_1_rex64_large): New. (set_rip_rex4): New. (set_got_offset_rex64): New. * predicates.md (constant_call_address_operand): For large model constant calls are not possible. * i386-protos.h (construct_plt_address): Declare. * i386.c (override_options): Accept large models. (ix86_expand_prologue): Expand large PIC GOT pointer load. (legitimate_constant_p): Add new UNSPECs. (legitimate_pic_operand_p): Likewise. (legitimate_pic_address_disp_p): Disallow local symbols for large PICs. (legitimize_pic_address): Do easy RIP relative way for TLS only for non-large model. (output_pic_addr_const): Add PLTOFF. (ix86_output_addr_diff_elt): Output 64bit tables when needed. (ix86_expand_move): Legitimize pic address when in PIC mode. (construct_plt_address): New function. (ix86_expand_call): Offload the address to register and use GOT pointer for large model. * invoke.texi (mcmodel=large): Update documentation. 2007-03-06 Richard Henderson * config/i386/i386.c (x86_use_leave, x86_push_memory, x86_zero_extend_with_and, x86_movx, x86_double_with_add, x86_use_bit_test, x86_unroll_strlen, x86_deep_branch, x86_branch_hints, x86_use_sahf, x86_partial_reg_stall, x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify, x86_split_long_moves, x86_promote_QImode, x86_fast_prefix, x86_single_stringop, x86_qimode_math, x86_promote_qi_regs, x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves, x86_partial_reg_dependency, x86_memory_mismatch_stall, x86_prologue_using_move, x86_epilogue_using_move, x86_shift1, x86_sse_partial_reg_dependency, x86_sse_split_regs, x86_sse_unaligned_move_optimal, x86_sse_typeless_stores, x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec, x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit, x86_schedule, x86_use_bt, x86_pad_returns, x86_use_xchgb): Merge into ... (ix86_tune_features): ... here. New array. (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd, x86_bswap): Merge into ... (ix86_arch_features): ... here. New array. (x86_3dnow_a): Remove. (x86_accumulate_outgoing_args): Make static. (x86_arch_always_fancy_math_387): Make static. (ix86_tune_mask, ix86_arch_mask): Move ... (override_options): ... to local variables here. Apply the appropriate mask to each element of ix86_arch_features and ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF as were done in the old macros. (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS. * config/i386/i386.h (x86_use_leave, x86_push_memory, x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch, x86_branch_hints, x86_unroll_strlen, x86_double_with_add, x86_partial_reg_stall, x86_movx, x86_use_himode_fiop, x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb, x86_read_modify_write, x86_read_modify, x86_split_long_moves, x86_promote_QImode, x86_single_stringop, x86_fast_prefix, x86_himode_math, x86_qimode_math, x86_promote_qi_regs, x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4, x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8, x86_partial_reg_dependency, x86_memory_mismatch_stall, x86_accumulate_outgoing_args, x86_prologue_using_move, x86_epilogue_using_move, x86_decompose_lea, x86_arch_always_fancy_math_387, x86_shift1, x86_sse_partial_reg_dependency, x86_sse_split_regs, x86_sse_unaligned_move_optimal, x86_sse_typeless_stores, x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves, x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd, x86_use_incdec, x86_pad_returns, x86_bswap, x86_partial_flag_reg_stall): Remove. (enum ix86_tune_indices): New. (ix86_tune_features): New. (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND, TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN, TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS, TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX, TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL, TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0, TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES, TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode, TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH, TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS, TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY, TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS, TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR, TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP, TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE, TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS, TARGET_EXT_80387_CONSTANTS): Use it. (enum ix86_arch_indices): New. (ix86_arch_features): New. (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD, TARGET_BSWAP): Use it. (ix86_tune_mask, ix86_arch_mask): Remove. 2007-03-06 Joseph Myers PR bootstrap/31020 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir): Define using $${sysroot_headers_suffix}. * configure: Regenerate. * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC defined. * doc/invoke.texi (-print-sysroot-headers-suffix): Document. * gcc.c (print_sysroot_headers_suffix): New. (option_map): Include --print-sysroot-headers-suffix. (display_help): Mention -print-sysroot-headers-suffix. (process_command): Handle -print-sysroot-headers-suffix. (do_spec_1): Append multilib directory to include-fixed path if sysroot suffixes in use. (main): Handle -print-sysroot-headers-suffix. * Makefile.in (start.encap): Don't depend on xlimits.h (xlimits.h): Remove. (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of limits.h for each multilib in fixinc_list. (fixinc_list, s-fixinc_list): New. (stmp-fixinc): Depend on fixinc_list. If not copying headers, generate them for each multilib in fixinc_list. (stmp-fixproto): Use include-fixed. Run fixproto for each multilib in fixinc_list. (mostlyclean): Don't remove xlimits.h. (clean): Remove include-fixed. (real-install-headers-tar, real-install-headers-cpio, real-install-headers-cp): Don't copy include, only include-fixed. (install-mkheaders): Depend on fixinc_list. Don't depend on xlimits.h. Save limits.h files for each multilib in fixinc_list. Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in SYSTEM_HEADER_DIR setting in mkheaders.conf. 2007-03-06 Jan Hubicka * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load NANs easilly. 2007-03-06 Richard Sandiford * configure.ac: Allow tm_file to contain build-directory files. * configure: Regenerate. * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file. * config/m68k/t-uclinux (sysroot-suffix.h): New target. * config/m68k/print-sysroot-suffix.sh: New file. 2007-03-06 Richard Sandiford * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO of pic_offset_table_rtx if reload_completed. (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNUM. * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always return true. (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO. (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset. 2007-03-06 Richard Sandiford * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in functions that call eh_return. 2007-03-06 Richard Sandiford * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in functions that need a constant pool. 2007-03-06 Richard Sandiford PR target/28181 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare. (m68k_preferred_reload_class): Likewise. * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment. (SECONDARY_RELOAD_CLASS): Define. (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class. (LIMIT_RELOAD_CLASS): Delete. * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address registers from storing bytes. (m68k_secondary_reload_class): New function. (m68k_preferred_reload_class): Likewise. 2007-03-06 Richard Sandiford * config/m68k/m68k.c (m68k_save_reg): Remove special case for leaf functions. (m68k_expand_prologue): Likewise. 2007-03-06 Richard Sandiford * config/m68k/m68k-protos.h (output_sibcall): Declare. (mips_expand_epilogue): Add a bool parameter. (m68k_legitimize_sibcall_address): Declare. * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define. (m68k_expand_epilogue): Add a parameter to select between sibling and normal epilogues. Only generate a return for the latter. (m68k_ok_for_sibcall_p): New function. (m68k_legitimize_sibcall_address, output_sibcall): New functions. * config/m68k/m68k.md (sibcall, *sibcall): New patterns. (sibcall_value, *sibcall_value): Likewise. (*call, *call_value): Require !SIBLING_CALL_P. (epilogue): Update call to m68k_expand_epilogue. (sibcall_epilogue): New pattern. * config/m68k/predicates.md (const_call_operand): Say that this predicate applies to sibling calls too. (sibcall_operand): New predicate. 2007-03-06 Richard Sandiford * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q alternatives as movsi_cf. (movsf_cf_hard): Add commentary. 2007-03-06 Kazu Hirata Richard Sandiford * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare. (m68k_movem_pattern_p, m68k_output_movem): Likewise. (m68k_expand_prologue, m68k_expand_epilogue): Likewise. * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers as being live on exit from an interrupt function. (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'. * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros. (m68k_frame): Remove reg_rev_mask and fpu_rev_mask. (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete. (m68k_interrupt_function_p): Globalize. (m68k_compute_frame_layout): Remove reverse mask code. (m68k_emit_movem, m68k_set_frame_related): New functions. (m68k_output_function_prologue): Delete in favor of... (m68k_expand_prologue): ...this new function. (m68k_output_function_epilogue): Delete in favor of... (m68k_expand_epilogue): ...this new function. (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New functions. (print_operand): Handle %?. * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space. (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants. (prologue, epilogue): New patterns. (return): Turn into a define_expand. (*return): New pattern, derived from old "return" pattern. Use rte rather than rts for interrupt functions. Only use rtd if the pop count is nonzero. (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns. (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise. (link, *link, unlink, *unlink, load_got): Likewise. 2007-03-06 Richard Sandiford PR target/23482 PR target/17114 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare. (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise. (m68k_matches_q_p, m68k_matches_u_p): Likewise. * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p and m68k_matches_u_p. (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete. (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete. (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete. (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete. (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete. (REG_STRICT_P): New macro. (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than PCREL_GENERAL_OPERAND_OK. (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and m68k_legitimate_base_reg_p. (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p. (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p. (PIC_CASE_VECTOR_ADDRESS): Update comment. * config/m68k/m68k.c (m68k_address): New structure. (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p) (m68k_decompose_index, m68k_legitimate_constant_address_p) (m68k_jump_table_ref_p, m68k_decompose_address) (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p) (m68k_matches_u_p): New functions. (print_operand_address): Rewrite to use m68k_decompose_index. 2007-03-05 David Taylor * gcc.c: Correct copyright date in --version output. 2007-03-05 John David Anglin * pa.md: In unamed move patterns, disparge copies between general and floating point registers using '?' modifier. Don't include 'f' constraint for register preferences in DImode, SImode, HImode and QImode patterns. Likewise for 'r' in DFmode and SFmode patterns. Remove constraints for copies between general and floating registers in soft-float DFmode pattern. (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard floating register. (movsf): Likewise. 2007-03-05 Mike Stump * c-common.c (targetcm): Add. * c-opts.c (c_common_handle_option): Handle language specific target options. * opts.c (handle_option): Verify language for target options, if any are given. * opth-gen.awk: Add CL_LANG_ALL. * target-def.h (TARGET_HANDLE_C_OPTION): Add. (TARGETCM_INITIALIZER): Add. * target.h (struct gcc_targetcm): Add. (targetcm): Add. * targhooks.c (default_handle_c_option): Add. * targhooks.h (default_handle_c_option): Add. * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add. * config/darwin.opt (iframework): Add. * config/darwin.h (TARGET_HAS_TARGETCM): Add. * config/darwin-c.c (handle_c_option): Add. (TARGET_HANDLE_C_OPTION): Add. (targetcm): Add. * doc/invoke.texi (Darwin Options): Add -iframework. 2007-03-05 Kaveh R. Ghazi * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint conversion. 2007-03-05 Ian Lance Taylor * c.opt (fgnu89-inline): New option. * c-opts.c (c_common_post_options): Set default value for flag_gnu89_inline. * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove. (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for inline functions. (diagnose_mismatched_decls, merge_decls, start_decl): Likewise. (grokdeclarator, start_function): Likewise. * c-cppbuiltin.c (c_cpp_builtins): Define either __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__. * doc/invoke.texi (Option Summary): Mention -fgnu89-inline. (C Dialect Options): Document -fgnu89-inline. * doc/extend.texi (Function Attributes): Explain what the gnu_inline attribute does. * doc/cpp.texi (Common Predefined Macros): Document __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__. 2007-03-05 Ian Lance Taylor PR tree-optimization/31034 * tree-vrp.c (extract_range_from_assert): Don't try to handle a half-range if the other side is an overflow infinity. 2007-03-05 Bernd Schmidt * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux. (bfin*-linux-uclibc*): New configuration. * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before defining. * config/bfin/linux.h: New file. * config/bfin/libgcc-bfin.ver: New file. * config/bfin/t-bfin-uclinux: New file. * config/bfin/t-bfin-linux: New file. * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro. (TARGET_OS_CPP_BUILTINS): New macro. 2007-03-05 Richard Guenther * fold-const.c (fold_binary): Remove duplicate folding of comparison of non-null ADDR_EXPR against null. 2007-03-05 Richard Guenther Dorit Nuzman PR tree-optimization/26420 * tree-vectorizer.c (vectorize_loops): Bail out early if there are no loops in the function. Only print the number of vectorized loops if it is greater than zero or we are supposed to print information about unvectorized loops. 2007-03-05 Revital Eres * gcc.dg/var-expand1.c: New test. * loop-unroll.c (analyze_insn_to_expand_var): Add dump info when an accumulator is expanded. 2007-03-04 Manuel Lopez-Ibanez PR other/30465 * c-common.c (convert_and_check): Don't give warnings for conversion if 'expr' already overflowed. 2007-03-04 Roger Sayle PR middle-end/30744 * fold-const.c (fold_comparison): Enforce type consistency when transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C. 2007-03-04 Zdenek Dvorak * tree-ssa-address.c (create_mem_ref): Do not put an expression containing a cast to the base of TARGET_MEM_REF. 2007-03-04 Martin Michlmayr * tree.c (tree_contains_struct_check_failed): Remove spurious whitespace from error message. 2007-03-04 Andrew Pinski PR target/30406 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size instead of precision. 2007-03-04 Roman Zippel Nathan Sidwell * emit-rtl.c (find_auto_inc): New. (try_split): recreate REG_INC notes, Use regular for loops rather than whiles. 2007-03-03 Andreas Schwab * configure.ac (HAVE_AS_REL16): Move test back to correct place. * configure: Regenerate. 2007-03-03 Kaveh R. Ghazi * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on flag_rounding_math, not flag_unsafe_math_optimizations. * c-pretty-print.c (pp_c_direct_abstract_declarator): Use fold_build2. * config/alpha/alpha.c (alpha_fold_builtin_zapnot, alpha_fold_vector_minmax): Likewise. * config/i386/i386.c (ix86_gimplify_va_arg): Likewise. * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise. 2007-03-02 Eric Botcazou * tree-sra.c (sra_walk_fns) : Document new restriction. (sra_walk_modify_expr) : Treat the reference as a use if the lhs has side-effects. : Treat the reference as a use if the rhs has side-effects. 2007-03-02 Uros Bizjak * config/i386/i386.h (TUNEMASK): Remove define. (ARCHMASK): Remove define. (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK. Use ix86_arch_mask variable instead of ARCHMASK. * config/i386/i386.c (override_options): Ditto. (standard_80387_constant_p): Ditto. 2007-03-02 Ian Lance Taylor Used signed infinities in VRP. * tree-vrp.c (uses_overflow_infinity): New static function. (supports_overflow_infinity): New static function. (make_overflow_infinity): New static function. (negative_overflow_infinity): New static function. (positive_overflow_infinity): New static function. (is_negative_overflow_infinity): New static function. (is_positive_overflow_infinity): New static function. (is_overflow_infinity): New static function. (overflow_infinity_range_p): New static function. (compare_values_warnv): New function split out of compare_values. (compare_value): Call it. (set_value_range_to_nonnegative): Add overflow_infinity parameter. Change caller. (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter. Change callers. (vrp_expr_computes_nonzero): Likewise. (compare_ranges, compare_range_with_value): Likewise. (compare_name_with_value, compare_names): Likewise. (vrp_evaluate_conditional): Likewise. (set_value_range): Handle infinity (vrp_operand_equal_p, operand_less_p): Likewise. (extract_range_from_assert): Likewise. (vrp_int_const_binop): Likewise. (extract_range_from_binary_expr): Likewise. (extract_range_from_unary_expr): Likewise. (extract_range_from_comparison): Likewise. (extract_range_from_expr): Likewise. (dump_value_range): Likewise. (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise. (test_for_singularity): Likewise. (vrp_int_const_binop): Remove inline qualifier. (adjust_range_with_scev): Add comment. * tree-flow.h (vrp_evaluate_conditional): Update declaration. 2007-03-02 Diego Novillo * tree-ssa-structalias.c (could_have_pointers): Tidy. (get_constraint_for): Likewise. (do_structure_copy): Likewise. (find_func_aliases): Fix references to MODIFY_EXPR. (intra_create_variable_infos): Tidy. * tree-ssa-operands.c (add_virtual_operand): Add argument IS_CALL_SITE. When adding members of alias sets, if IS_CALL_SITE is true and the symbol is not call-clobbered, skip it. Adjust all callers. 2007-03-02 Eric Botcazou * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the entry by means of emit_insn_at_entry. 2007-03-02 Richard Henderson * expr.h (promoted_input_arg): Remove decl. * function.c (promoted_input_arg): Merge into ... * combine.c (setup_incoming_promotions): ... only caller. Rearrange to avoid double loop. 2007-03-02 Ben Elliston Peter Bergner Janis Johnson * config/rs6000/dfp.md: New file. * config/rs6000/rs6000.md: Include dfp.md. (add3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands. * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode and TDmode decimal float modes in FP registers. (num_insns_constant): Likewise. (rs6000_legitimate_offset_address_p): Likewise. (rs6000_legitimize_address): Likewise. (rs6000_legitimize_reload_address): Likewise. (rs6000_legitimate_address): Likewise. (rs6000_emit_move): Likewise. (function_arg_boundary): Likewise. (function_arg_advance): Likewise. (rs6000_darwin64_record_arg_recurse): Likewise. (function_arg): Likewise. (rs6000_gimplify_va_arg): Likewise. (rs6000_split_multireg_move): Likewise. (rs6000_output_function_epilogue): Likewise. (rs6000_output_function_epilogue): Likewise. (rs6000_register_move_cost): Likewise. (rs6000_function_value): Likewise. (rs6000_libcall_value): Likewise. 2007-03-02 Richard Sandiford * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks. 2007-03-02 Richard Sandiford * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc. Use $MULTIDIR to choose between the kernel and RTP headers, and use $WIND_BASE and $WIND_USR to locate them. 2007-03-02 Uros Bizjak * config/i386/i386.c (override_options): Put initialization of ix86_tune_mask and ix86_arch_mask to the correct place. 2007-03-02 Uros Bizjak Michael Meissner PR target/31019 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask. (ARCHMASK): Define. (TARGET_CMOVE): Use ARCHMASK. (TARGET_CMPXCHG): Ditto. (TARGET_CMPXCHG8B): Ditto. (TARGET_XADD): Ditto. (TARGET_BSWAP): Ditto. * config/i386/i386.c (ix86_tune_mask): New global variable. (ix86_arch_mask): Ditto. (override_options): Initialize ix86_tune_mask and ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in target_flags. 2007-03-02 Ben Elliston PR 30992 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.". 2007-03-02 Joseph Myers * target.h (init_dwarf_reg_sizes_extra): New target hook. * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default. * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document. * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this hook. * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA, rs6000_init_dwarf_reg_sizes_extra): New. * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support SPE register high parts. 2007-03-01 Brooks Moses * Makefile.in: Add install-pdf target as copied from automake v1.10 rules. * configure.ac: Add install-pdf to target list. * configure: Regenerate. 2007-03-01 Paul Brook * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing modes to LDRD for DImode. (output_move_double): Fixup out of range ldrd/strd. (vfp_secondary_reload_class): Rename... (coproc_secondary_reload_class): ... to this. Add wb argument. * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use coproc_secondary_reload_class for CLASS_IWMMXT. (SECONDARY_INPUT_RELOAD_CLASS): Ditto. * arm-protos.h (coproc_secondary_reload_class): Update prototype. 2007-03-01 Zdenek Dvorak * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll factor by the estimated number of iterations. (loop_prefetch_arrays): Do not prefetch in loops that iterate less than prefetch latency. * config/i386/driver-i386.c (describe_cache, detect_caches_amd, decode_caches_intel, detect_caches_intel): New functions. (host_detect_local_cpu): Use detect_caches_amd and detect_caches_intel. 2007-03-01 Richard Henderson * expr.c (emit_move_complex_push): Export. (emit_move_complex_parts): Split out from ... (emit_move_complex): ... here. * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare. * config/i386/i386.md (movcdi): New. 2007-03-01 Uros Bizjak * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also size of mode1 to check for tieable modes in MMX case. 2007-03-01 Richard Sandiford * Makefile.in (rtlanal.o): Depend on tree.h. * rtl.h (offset_within_section_p, split_const): Declare. * rtlanal.c: Include tree.h. (offset_within_block_p): New function, taken from mips_offset_within_object_p. (split_const): New function, taken from mips_split_const. * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p): Declare. * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define. (CONSTANT_ADDRESS_P): Only accept legitimate constants. (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p. * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define. (m68k_illegitimate_symbolic_constant_p): New function. * config/m68k/m68k.md (movsi): Remove misleading predicates. If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a symbolic constant that might be outside the symbol's section, move the symbol first and then add the offset. * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Override. * config/mips/mips.c (mips_split_const): Delete. (mips_offset_within_object_p): Delete. (mips_symbolic_constant_p): Use offset_within_section_p and split_const instead of mips_offset_within_object_p and mips_split_const. (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address) (mips_legitimize_const_move, print_operand_reloc) (mips_dangerous_for_la25_p): Use split_const instead of mips_split_const. 2007-02-28 Eric Christopher * Makefile.in (install-include-dir): Don't rm -rf include. 2007-02-28 Richard Guenther PR middle-end/30364 * fold-const.c (fold_binary): Do not associate expressions with more than one variable for integer types that do not wrap. 2007-02-28 Sandra Loosemore * builtins.c (fold_builtin_call_list, fold_builtin_call_valist): Delete, and replace with... (fold_builtin_call_array): This. Update callers to use it. * fold-const.c (fold_build_call_list): Delete, and replace with... (fold_build_call_array): This. (fold_build_call_list_initializer): Delete, and replace with... (fold_build_call_array_initializer): This. * tree.h: Update declarations to reflect above changes. * c-typeck.c (build_function_call): Store converted arguments in a stack-allocated array instead of building a list. (convert_arguments): Store arguments in the array passed in as an argument, and return the actual number of arguments. * c-format.c: (check_function_format): Pass arguments in an array instead of a list. * c-common.c (check_function_nonnull): Likewise. (check_function_sentinel): Likewise. (check_function_arguments): Likewise. * c-common.h: Update declarations to reflect above changes. 2007-02-28 Jan Hubicka * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN, PRED_NEGATIVE_RETURN): Update outcomes. 2007-02-28 Bernd Schmidt * calls.c (emit_library_call_value_1): Handle partial registers correctly when building up CALL_INSN_FUNCTION_USAGE. 2007-02-27 John David Anglin * pa/predicates.md (move_src_operand): Allow zero for mode. * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode move pattern. 2007-02-27 Uros Bizjak PR target/30970 * config/i386/sse.md (*mov_internal, *movv4sf_internal, *movv2df_internal): Enable pattern only for valid operand combinations. * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers, tie only 128bit modes. For MMX registers, tie only 64bit modes. 2007-02-27 Mike Stump * config/darwin-crt3.c: Avoid compilation when compiling for a kext multilib. 2007-02-27 Joseph Myers * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define FIXED_INCLUDE_DIR. (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed for fixed headers and limits.h. (install-include-dir, install-headers-tar, install-headers-cpio, install-headers-cp, real-install-headers-tar, real-install-headers-cpio, real-install-headers-cp): Handle include-fixed as well as include. (install-mkheaders): Don't install files that go only in include not include-fixed. * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR from GCC_INCLUDE_DIR. * gcc.c (process_command): Remove special -BstageN/ handling. (do_spec_1): Add include-fixed directories. 2007-02-27 Bernd Schmidt * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and _smulsi3_highpart. * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart): New functions. * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New patterns. 2007-02-27 Mark Mitchell * c-common.c (get_priority): Add check for SUPPORTS_INIT_PRIORITY. 2007-02-27 Bernd Schmidt * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode. * config/bfin/bfin.c: Include "cfglayout.h". (MAX_LSETUP_DISTANCE): New macro. (struct loop_info): New members incoming, incoming_src and incoming_dest. Delete member predecessor. (length_for_loop): New function. (bfin_optimize_loop): Handle more different loop structures. (bfin_discover_loop): Rework detection of predecessor blocks by examining incoming edges. (bfin_discover_loops, bfin_free_loops): New functions, broken out of bfin_reorg_loops. (bfin_reorder_loops): New function. (bfin_reorg_loops): Use these three new functions. * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add D0REGS through D7REGS. (CONSTRAINT_LEN): Add entry for 'q'. (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER. Add 'q' constraints. (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass. (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2. * config/bfin/bfin.md (add_with_carry): New pattern. (s_or_u, su_optab, su_modifier): New code macros/attrs. (hisi_ll, hisi_lh, hisi_hl, hisi_hh): Renamed from mulhisi_xx patterns; macroized to support unsigned multiplies too. Removed incorrect commutativity from operand 1 constraint where appropriate. (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New patterns. (hisi_ll_lh, hisi_ll_hl, hisi_ll_hh, hisi_lh_hl, hisi_lh_hh, hisi_hl_hh): New patterns. (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul, usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul, usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul, usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul, usmulhisi_hh_huh): New patterns. * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Fix output template to use half reg for operand 2. * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg instead of R2. * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns. 2007-02-27 Andreas Schwab * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi. 2007-02-27 Jan Hubicka * predict.c (last_basic_block_p): Remove. (tree_estimate_probability): Update return heuristic for commonized return blocks. 2007-02-26 Brooks Moses * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency. 2007-02-26 Brooks Moses * doc/include/gcc-common.texi (versionsubtitle): New macro. * doc/cpp.texi: Standardize title page. * doc/cppinternals.texi: Likewise. * doc/gcc.texi: Standardize title page, remove version number from copyright page. * doc/gccint.texi: Likewise. * doc/install.texi: Standardize title page, add table of contents. 2007-02-26 Jan Hubicka * predict.def: Set outcomes according to more recent results. (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER): Remove dead predictors. * predict.c (return_prediction): Fix pasto. 2007-02-27 Bernd Schmidt * loop-iv.c (simplify_using_initial_values): Fix oversight in previous change; avoid a memory leak when returning early. 2007-02-26 Mark Mitchell * c-decl.c (static_ctors): Move to c-common.c. (static_dtors): Likewise. (finish_function): Use c_record_cdtor_fn. (build_cdtor): Move to c-common.c. (c_write_global_declarations): Use c_build_cdtor_fns. * c-common.h (static_ctors): Declare. (static_dtors): Likewise. (c_record_cdtor_fn): Likewise. (c_build_cdtor_fns): Likewise. * c-common.c (static_ctors): New variable. (static_dtors): Likewise. (c_record_cdtor_fn): New function. (build_cdtor): Move from c-decl.c (c_build_cdtor_fns): New function. * output.h (assemble_addr_to_section): Declare. (get_cdtor_priority_section): Likewise. * varasm.c (assemble_addr_to_section): New function. (get_cdtor_priority_section): Likewise. (default_named_section_asm_out_destructor): Use them. (destor_dtor_section_asm_out_destructor): Likewise. (default_named_section_asm_out_constructor): Likewise. (default_ctor_section_asm_out_constructor): Likewise. * config.gcc (*-*-vxworks*): Include vxworks.o. * config/t-vxworks (vxworks.o): New target. * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove. (TARGET_ASM_CONSTRUCTOR): Define. (TARGET_ASM_DESTRUCTOR): Likewise. (vxworks_asm_out_constructor): Declare. (vxworks_asm_out_destructor): Likewise. * c-common.c (get_priority): Check that we have not just an INTEGER_CST, but an integer constant with integeral type. 2007-02-25 Uros Bizjak PR tree-optimization/30938 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error: use &dt[nargs-1] instead of &dt[nargs] in the call to vect_is_simple_use(). 2007-02-25 Ulrich Weigand * reload.c (find_reloads_address_1): Handle PLUS expressions resulting from register elimination as PRE_MODIFY / POST_MODIFY increments. Do not attempt to handle MEM inside auto-inc expressions. * reload1.c (eliminate_regs_1): Do not attempt to handle elimination of a register modified by an auto-inc expression. However, do handle elimination of a register used as PRE_MODIFY / POST_MODIFY increment. (elimination_effects): Prohibit elimination of a register modified by an auto-inc expression. Disable register elimination rules whose target register is modified by an auto-inc expression with variable increment. 2007-02-25 Zdenek Dvorak * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix off-by-one error. (array_at_struct_end_p): New function. (idx_infer_loop_bounds): Use it. (estimate_numbers_of_iterations_loop): Export. * predict.c (predict_loops): Use estimated_loop_iterations_int. Do not use PRED_LOOP_EXIT on exits predicted by # of iterations. (tree_estimate_probability): Call record_loop_exits. * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ... (estimated_loop_iterations, estimated_loop_iterations_int, estimated_loop_iterations_tree): New functions. (analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine): Use estimated_loop_iterations_int. (analyze_miv_subscript): Use estimated_loop_iterations_tree. * predict.def (PRED_LOOP_ITERATIONS): Update comment. (PRED_LOOP_ITERATIONS_GUESSED): New. * cfgloop.c (record_loop_exits): Do nothing if there are no loops. * cfgloop.h (estimate_numbers_of_iterations_loop, estimated_loop_iterations_int): Declare. 2007-02-25 Mark Mitchell * doc/extend.texi: Document optional priority argument to constructors and destructors. * tree.c (init_priority_for_decl): Adjust GTY markers. (init_ttree): Use priority-info hash functions for init_priority_for_decl. (tree_map_eq): Rename to ... (tree_map_base_eq): ... this. (tree_map_marked_p): Rename to ... (tree_map_base_marked_p): ... this. (tree_map_base_hash): New function. (decl_init_priority_lookup): Rework. (decl_fini_priority_lookup): New function. (decl_priority_info): New function. (decl_init_priority_insert): Use it. (decl_fini_priority_insert): Likewise. (decl_restrict_base_lookup): Adjust for refactoring of tree_map hierarchy. (decl_restrict_base_insert): Likewise. (decl_debug_expr_insert): Likewise. (decl_value_expr_lookup): Likewise. (decl_value_expr_insert): Likewise. * tree.h (priority_type): New type. (decl_init_priority_lookup): Use priority_type. (decl_fini_priority_lookup): New function. (decl_init_priority_insert): Use priority_type. (decl_fini_priority_insert): New function. (DECL_HAS_INIT_PRIORITY): Tweak comments. (DECL_INIT_PRIORITY): Likewise. (SET_DECL_INIT_PRIORITY): Add comment. (DECL_FINI_PRIORITY): New macro. (SET_DECL_FINI_PRIORITY): Likewise. (DEFAULT_INIT_PRIORITY): Document. (MAX_INIT_PRIORITY): Likewise. (MAX_RESERVED_INIT_PRIORITY): Likewise. (tree_map_base): New type. (tree_map_base_eq): New function. (tree_map_base_hash): Likewise. (tree_map_base_marked_p): Likewise. (tree_map): Inherit from tree_map_base. (tree_map_eq): Make it a macro. (tree_map_marked_p): Likewise. (tree_int_map): Inherit from tree_map_base. (tree_int_map_eq): Make it a macro. (tree_int_map_hash): Likewise. (tree_int_map_marked_p): Likewise. (tree_priority_map): New type. (tree_priority_map_eq): New macro. (tree_priority_map_hash): Likewise. (tree_priority_map_marked_p): Likewise. * varasm.c (emults_decl): Adjust for refactoring of tree_map hierarchy. (emutls_common_1): Likewise. * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise. * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring of tree_map hierarchy. * tree-cfg.c (move_stmt_r): Likewise. (new_label_mapper): Likewise. * c-tree.h (c_expand_body): Move to ... * c-common.h (c_expand_body): ... here. * c-decl.c (c_expand_body): Move to ... * c-common.c (c_expand_body): ... here. (c_common_attribute_table): Allow 1 argument for the constructor and destructor attributes. (get_priority): New function. (handle_constructor_attribute): Set DECL_INIT_PRIORITY. (handle_destructor_attribute): Set DECL_FINI_PRIORITY. 2007-02-24 Jan Hubicka PR middle-end/30509 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining. 2007-02-24 Uros Bizjak Jan Hubicka PR target/30778 * i386.c (counter_mode): New function. (expand_set_or_movmem_via_loop): Use it. (expand_movmem_epilogue): Likewise; fix pasto. (ix86_expand_movmem): Do emit guard even for constant counts. (ix86_expand_setmem): Likewise. 2007-02-25 Nick Clifton * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete. (JUMP_TABLES_IN_TEXT_SECTION): Define. 2007-02-24 Uros Bizjak PR target/30770 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask count argument with 0x10, not with 0x16. (expand_setmem_epilogue): Ditto. 2007-02-24 Mike Stump * config/i386/i386.c (output_pic_addr_const): Stubify optimized symbols. 2007-02-24 Richard Guenther PR middle-end/30951 * fold-const.c (fold_binary): Fold x +- CST op x for EQ_EXPR and NE_EXPR. 2007-02-24 John David Anglin * pa.md (muldi3): Force subregs to registers in 64-bit expander. 2007-02-24 Jan Hubicka * cgraphunit.c (decide_is_function_needed): Honor -fkeep-inline-functions. 2007-02-24 Kaveh R. Ghazi * builtins.c (fold_builtin_modf): New. (fold_builtin_2): Use it. 2007-02-24 Bernd Schmidt * loop-iv.c (implies_p): Detect additional cases where A implies B. (determine_max_iter): Take additional LOOP arg; all callers changed. Lose broken logic dealing with PLUS. Try to limit the upper bound by one using simplifications. (simplify_using_initial_values): Return if the expression becomes invalid due to altered regs. 2007-02-23 DJ Delorie * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro. 2007-02-23 Mike Stump * tlink.c (scan_linker_output): Parse linker messages from darwin9's linker better. 2007-02-23 Steve Ellcey PR debug/29614 * varpool.c (varpool_assemble_pending_decls): Set varpool_last_needed_node to null. 2007-02-23 DJ Delorie * config/i386/i386.c (ix86_data_alignment): Don't specify an alignment bigger than the object file can handle. 2007-02-23 Uros Bizjak PR target/30825 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32, zero_extendsidi2_rex64): Penalize MMX register<->memory moves. (*movsf_1): Penalize MMX moves. 2007-02-23 Bernd Schmidt * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate 2^32-1 or more times unless flag_unsafe_loop_optimizations. * loop-iv.c (determine_max_iter): Moved in front of its sole user. 2007-02-23 Kaveh R. Ghazi * builtins.c (fold_builtin_logb, fold_builtin_significand): New. (fold_builtin_1): Use them. * fold-const.c (tree_expr_nonnegative_warnv_p): Handle BUILT_IN_SIGNIFICAND. 2007-02-23 H.J. Lu * config/i386/i386.c (bdesc_1arg): Initialize IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup". (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP. 2007-02-22 Paolo Bonzini PR rtl-optimization/30841 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address. 2007-02-22 Kaveh R. Ghazi * builtins.c (fold_builtin_frexp): New. (fold_builtin_2): Use it. 2007-02-22 Mark Mitchell * doc/invoke.texi (Spec Files): Document getenv spec function. * gcc.c (getenv_spec_function): New function. (static_spec_functions): Add it. * config/vxworks.h (VXWORKS_TARGET_DIR): Remove. (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks header files. 2007-02-22 Michael Matz PR debug/30898 * dwarf2out.c (concatn_mem_loc_descriptor): New static function. (mem_loc_descriptor): Call it. 2007-02-22 Zdenek Dvorak Ira Rosen * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account. 2007-02-22 Ira Rosen PR tree-optimization/30843 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar stores only after all the group is vectorized. 2007-02-22 Dorit Nuzman PR tree-optimization/30858 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts in the reduction cycle have a single use in the loop. * tree-vectorizer.h (relevant): Add documentation. 2007-02-20 Mike Stump * configure.ac (powerpc*-*-darwin*): #include . * configure: Regenerate. 2007-02-21 Trevor Smigiel Change the defaults of some parameters and options. * config/spu/spu-protos.h (spu_optimization_options): Declare. * config/spu/spu.c (spu_optimization_options): Add. (spu_override_options): Change params in spu_optimization_options. * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define. Register 127 is only 16 byte aligned when used as a frame pointer. * config/spu/spu-protos.h (spu_init_expanders): Declare. * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for HARD_FRAME_POINTER_REGNUM. (spu_legitimate_address): Use regno_aligned_for_reload. (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte aligned when frame_pointer_needed is true. (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM to 8 bits. * config/spu/spu.h (INIT_EXPANDERS): Define. Make sure shift and rotate instructions have valid immediate operands. * config/spu/predicates.md (spu_shift_operand): Remove. * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers. * config/spu/constraints.md (W, O): Extend range. * config/spu/spu.md (umask, nmask): Define. (ashl3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti, lshr3, rotm_, lshr3_imm, rotqmbybi_, rotqmbi_, rotqmby_, ashr3, rotma_, rotl3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use spu_nonmem_operand instead of spu_shift_operands. Use new modifiers. (lshr3_reg): Fix rtl description. Make sure mulhisi immediate operands are valid. * config/spu/predicates.md (imm_K_operand): Add. * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand. Generate constants using fsmbi and andi. * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2. (print_operand, spu_split_immediate, classify_immediate, fsmbi_const_p): Handle IC_FSMBI2. Correctly handle a CONST_VECTOR containing symbols. * config/spu/spu.c (print_operand): Handle HIGH correctly. (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem. (immediate_load_p): Allow symbols that use 2 instructions to create. (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR with symbols when flag_pic is set. (const_vector_immediate_p): New. (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't accept a CONST_VECTOR with symbols. (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH correctly. * config/spu/spu.md (high, low): Delete. (low_): Define. Remove INTRmode and INTR_REGNUM, which didn't work. * config/spu/spu.c (spu_conditional_register_usage): Remove reference of INTR_REGNUM. * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr, set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed peephole2 pattern): Don't use INTR or 131. (movintrcc): Delete. * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM. * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove. (UNSPEC_SET_INTR): Add. * config/spu/spu-modes.def (INTR): Remove. More accurate warnings about run-time relocations. * config/spu/spu.c (reloc_diagnostic): Test in_section. Correctly warn about immediate arguments to specific intrinsics. * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs. (spu_expand_builtin_1): Call spu_check_builtin_parm before checking the instruction predicate. Fix tree check errors with latest update. * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use CALL_EXPR_ARG. (spu_expand_builtin): Use CALL_EXPR_FN. Add missing specific intrinsics. * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and si_bislede. * config/spu/spu_internals.h: Ditto. Fix incorrect operand modifiers. * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H. * config/spu/spu.md (xor3): Change %S to %J. Optimize one case of zero_extend of a vec_select. * config/spu/spu.md (_vec_extractv8hi_ze): Add. Accept any immediate for hbr. * config/spu/spu.md (hbr): Change s constraints to i. 2007-02-21 Paul Brook * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt condexec_count when skipping USE and CLOBBER. 2007-02-21 Nick Clifton * common.opt (Warray-bounds): Add Warning attribute. (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch): Likewise. (fsized-zeroes): Add Optimization attribute. (fsplit-wide-types, ftree-scev-cprop): Likewise. * c.opt (Wc++0x-compat): Add Warning attribute. 2007-02-21 Ulrich Weigand PR middle-end/30761 * reload1.c (eliminate_regs_in_insn): In the single_set special case, attempt to re-recognize the insn before falling back to having reload fix it up. 2007-02-20 Eric Christopher * config/frv/frv.c (frv_read_argument): Take a tree and int argument. Rewrite accordingly. (frv_read_iacc_argument): Ditto. (frv_expand_set_builtin): Take a call instead of arglist, update for above changes. (frv_expand_unop_builtin): Ditto. (frv_expand_binop_builtin): Ditto. (frv_expand_cut_builtin): Ditto. (frv_expand_binopimm_builtin): Ditto. (frv_expand_voidbinop_builtin): Ditto. (frv_expand_int_void2arg): Ditto. (frv_expand_prefetches): Ditto. (frv_expand_voidtriop_builtin): Ditto. (frv_expand_voidaccop_builtin): Ditto. (frv_expand_load_builtin): Ditto. (frv_expand_store_builtin): Ditto. (frv_expand_mdpackh_builtin): Ditto. (frv_expand_mclracc_builtin): Ditto. (frv_expand_mrdacc_builtin): Ditto. (frv_expand_mwtacc_builtin): Ditto. (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update calls for above. 2007-02-20 Janis Johnson * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp. * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the cmpb instruction. (HAVE_GAS_DFP): Check for assembler support of decimal floating point instructions. * configure: Regenerate. * config.in: Regenerate. * config/rs6000/rs6000.opt (mcmpb, mdfp): New. * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP masks to power6 and power6x and to POWERPC_MASKS. * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define _ARCH_PWR6. * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP. * config/rs6000/sysv4.opt (mprototype): Use variable, not mask. * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Access PROTOTYPE as variable, not mask. 2007-02-20 Steven Bosscher * rtl.h (remove_reg_equal_equiv_notes): New prototype. * rtlanal.c (remove_reg_equal_equiv_notes): New function. * combine.c (adjust_for_new_dest): Use it. * postreload.c (reload_combine): Likewise. 2007-02-20 Steven Bosscher * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ* notes on an insn with multiple sets, even if single_set returns non-NULL for that insn. 2007-02-20 Kaveh R. Ghazi * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb, scalbn and scalbln. 2007-02-20 Geoffrey Keating * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only if user didn't pass it. * config/i386/darwin.h (CC1_SPEC): Likewise. * config/rs6000/darwin.h (CC1_SPEC): Likewise. (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of -mmacosx-version-min. 2007-02-20 Kaveh R. Ghazi Uros Bizjak * optabs.h (enum optab_index): Add new OTI_scalb. (scalb_optab): Define corresponding macro. * optabs.c (init_optabs): Initialize scalb_optab. * genopinit.c (optabs): Implement scalb_optab using scalb?f3 patterns. * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}. (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set. * config/i386/i386.md (scalbxf3, scalb3): New expanders to implement scalbf, scalb and scalbl built-ins as inline x87 intrinsics. 2007-02-20 Manuel Lopez-Ibanez DJ Delorie PR other/30824 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to... (diagnostic_report_diagnostic): ... here, and turn them into real errors. If warnings are inhibited, no need to do anything. 2007-02-20 Uros Bizjak * config/i386/i386.md (expm1xf2): Reorder insn sequence for better code generation. 2007-02-20 Ben Elliston * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;. 2007-02-20 Kazu Hirata * config/alpha/alpha.c, config/alpha/alpha.md, config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c, config/alpha/vms-psxcrt0-64.c, config/arc/arc.c, config/arc/arc.h, config/arm/arm.c, config/arm/arm.md, config/arm/lib1funcs.asm: Follow spelling conventions. * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c, config/fr30/fr30.md, config/i386/i386.h, config/iq2000/iq2000.h, config/iq2000/predicates.md, config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h, config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h, config/pdp11/pdp11.c, config/pdp11/pdp11.h, config/rs6000/altivec.md, config/rs6000/rs6000.c, config/s390/s390-modes.def, config/sparc/netbsd-elf.h, config/sparc/sparc.c, config/sparc/sparc.h, config/sparc/sparc.md, config/spu/constraints.md, config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling conventions. 2007-02-20 Alan Modra PR target/29943 * varasm.c (use_blocks_for_decl_p): Return false for decls with alias attribute. 2007-02-19 Kazu Hirata * doc/invoke.texi (-ftree-lrs): Remove. 2007-02-19 Diego Novillo * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to NULL. 2007-02-19 Lee Millward * config/ia64/ia64.c (ia64_expand_builtin): Use the new CALL_EXPR_FN macro for retrieving the function declaration of the input expression. 2007-02-19 Manuel Lopez-Ibanez * c.opt (Waddress): New. * common.opt (Walways-true): Delete. (Wstring-literal-comparison): Delete. * doc/invoke.texi (Warning Options): Delete -Walways-true and -Wstring-literal-comparison. Add -Waddress. (Waddress): New. (Walways-true): Delete. (Wstring-literal-comparison): Delete. * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat consistently instead of -Walways-true in example. * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall. * c-typeck.c (parser_build_binary_op): Replace -Wstring-literal-comparison and -Walways-true with -Waddress. * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true with -Waddress. 2007-02-19 Eric Botcazou * tree-cfg.c (dump_function_to_file): Be prepared for functions without DECL_STRUCT_FUNCTION initialized. 2007-02-19 Eric Botcazou * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap due to calls to functions taking pointers as parameters. 2007-02-19 Richard Henderson PR debug/29558 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P in memory. 2007-02-19 Andreas Krebbel * config/s390/s390.c (s390_call_saved_register_used, s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are accessed to the new scheme. 2007-02-19 Jan-Benedict Glaw * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p) (cris_print_index, cris_print_operand, cris_print_operand_address) (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost) (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx) (cris_expand_pic_call_address): Use xxx_P predicate macros instead of GET_CODE () == xxx. * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P, GO_IF_LEGITIMATE_ADDRESS): Ditto. * config/cris/cris.md (define_insns: *btst, movdi, *mov_side) (*mov_sidesisf, *mov_side_mem, *mov_sidesisf_mem) (*clear_side, movsi, *movsi_internal, *ext_sideqihi) (*ext_sidesi, *op_side, *op_swap_side, addsi3) (*extopqihi_side, *extopsi_side, *extopqihi_swap_side) (*extopsi_swap_side, addi_mul, *addi,andsi3, andhi3, ashl3) (uminsi3, call, call_value): Ditto. (define_split: indir_to_reg_split, unnamed): Ditto. 2007-02-19 Dorit Nuzman PR tree-optimization/30975 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove wrong assert. 2007-02-18 Eric Christopher * mips.c (mips_prepare_builtin_arg): Add argnum parameter. Remove use of arglist. (mips_expand_builtin): Remove use of arglist, pass in expr. (mips_expand_builtin_direct): Rewrite handling for arglist removal. (mips_expand_builtin_movtf): Ditto. (mips_expand_builtin_compare): Ditto. 2007-02-19 Alexandre Oliva * tree-sra.c (sra_build_assignment): Replace assertion checking with a comment explaining why it can't be done. 2007-02-18 Sandra Loosemore PR middle-end/30833 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed during CALL_EXPR representation conversion. * tree-ssa-propagate.c (set_rhs): Likewise. 2007-02-19 Alexandre Oliva * tree-sra.c (sra_build_assignment): Disable assertion checking for now. 2007-02-18 Roger Sayle * function.c (gimplify_parameters): Call build_gimple_modify_stmt instead of calling build2 with a GIMPLE_MODIFY_STMT. * gimple-low.c (lower_function_body, lower_builtin_setjmp): Likewise. * gimplify.c (build_stack_save_restore, gimplify_return_expr, gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr, gimplify_init_ctor_eval_range, gimple_push_cleanup, gimplify_omp_for, gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos, force_gimple_operand): Likewise. * ipa-cp.c (constant_val_insert): Likewise. * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y, perfect_nestify): Likewise. * langhooks.c (lhd_omp_assignment): Likewise. * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses, lower_copyprivate_clauses, lower_send_clauses, lower_send_shared_vars, expand_parallel_call, expand_omp_for_generic, expand_omp_for_static_nochunk, expand_omp_for_static_chunk, expand_omp_sections, lower_omp_single_copy, lower_omp_for_lastprivate, lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise. * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2, tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Likewise. 2007-02-19 Kazu Hirata * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h, config/sh/sh.md: Follow spelling conventions. * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md, config/frv/predicates.md: Follow spelling conventions. * config/m68k/linux-unwind.h: Fix a comment typo. * target.h: Follow spelling conventions. 2007-02-18 Roger Sayle PR rtl-optimization/28173 * simplify-rtx.c (simplify_binary_operation_1) : Optimize (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects. Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0. Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2. : Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2). 2007-02-18 Kaveh R. Ghazi * builtins.c (fold_builtin_load_exponent): New. (fold_builtin_2): Use it. 2007-02-18 Steven Bosscher PR rtl-optimization/30773 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init if we fail to attach a REG_EQUIV note. 2007-02-18 David Edelsohn Roger Sayle * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter. 2007-02-18 Sandra Loosemore * calls.c (initialize_argument_information): Pass original EXP and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move code to split complex arguments here, as part of initializing the ARGS array. (expand_call): Remove code that builds a list of arguments and inserts implicit arguments into it. Instead, just count how many implicit arguments there will be so we can determine the size of the ARGS array, and let initialize_argument_information do the work. (split_complex_values): Delete unused function. 2007-02-18 Eric Botcazou * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR. 2007-02-18 Eric Botcazou * calls.c (mem_overlaps_already_clobbered_arg_p): Return true for arg pointer based indexed addressing. 2007-02-18 Kazu Hirata * config/ia64/ia64.h, config/ia64/ia64.md, config/ia64/predicates.md, config/ia64/sysv4.h: Follow spelling conventions. 2007-02-18 Roman Zippel * config/m68k/m68k.c (split_di): New. * config/m68k/m68k-protos.h: Declare split_di. * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*): Improve predicate handling and split constant shifts. 2007-02-18 Roman Zippel * config/m68k/m68k.md (extv,extzv,insv): disable dynamic parameter for register bitfield operations, general predicates cleanup 2007-02-18 Roman Zippel * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define. * config/m68k/linux-unwind.h: New file. 2007-02-18 Kazu Hirata * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c, config/i386/athlon.md, config/ia64/ia64.md, config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md, df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c, ipa-prop.h, see.c, struct-equiv.c, tree-inline.c, tree-ssa-loop-niter.c, tree-vect-analyze.c, tree-vect-transform.c: Fix comment typos. 2007-02-17 Kazu Hirata * sched-deps.c (find_insn_list): Remove. * sched-int.h: Remove the prototype for find_insn_list. 2007-02-16 Geoffrey Keating * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min to linker. (DARWIN_EXTRA_SPECS): Add %(darwin_minversion). * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call darwin_rs6000_override_options. (C_COMMON_OVERRIDE_OPTIONS): Expect darwin_macosx_version_min to be non-NULL always. (TARGET_C99_FUNCTIONS): Likewise. (CC1_SPEC): Always pass -mmacosx-version-min to cc1*. (DARWIN_MINVERSION_SPEC): New. * config/rs6000/rs6000.c (darwin_rs6000_override_options): New. * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min to cc1*. (DARWIN_MINVERSION_SPEC): New. * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL value. * config/darwin-c.c (darwin_cpp_builtins): Expect darwin_macosx_version_min to be non-NULL always. * config/rs6000/rs6000.c: Clean up trailing whitespace. 2007-02-16 Uros Bizjak * config/i386/i386.h (x86_use_xchgb): New. (TARGET_USE_XCHGB): New macro. * config/i386/i386.c (x86_use_xchgb): Set for PENT4. * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter): Split after reload into bswaphi for shifts of 8. (bswaphi_lowpart): Generate rolw insn for HImode byte swaps. (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB or when optimizing for size. 2007-02-16 Richard Guenther Christian Bruel * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like DECLs but prefer SSA_NAMEs over DECLs. 2007-02-16 Richard Guenther * tree-flow-inline.h (single_imm_use_p): Remove. (zero_imm_uses_p): Likewise. * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use instead of single_imm_use_p. * tree-cfg.c (replace_uses_by): Use has_zero_use instead of zero_imm_uses_p. 2007-02-16 Ralf Wildenhues PR other/27843 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid nested double- and backquotes. 2007-02-15 Roger Sayle PR middle-end/30391 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT should be unreachable. (build2_stat): Allow construction of MODIFY_EXPR at any time. For the time being redirect GIMPLE_MODIFY_STMT to the new (renamed) build_gimple_modify_stmt_stat. (build2_gimple_stat): Rename to... (build_gimple_modify_stmt_stat): Now longer take a CODE argument. Always build a GIMPLE_MODIFY_STMT node. * tree.h (build2_gimple, build2_gimple_stat): Delete. (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New declarations. * tree-cfg.c (factor_computed_gotos, tree_merge_blocks, gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple. * tree-complex.c (set_component_ssa_name, expand_complex_move, expand_complex_div_wide): Likewise. * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise. * tree-ssa-loop-im.c (schedule_sm): Likewise. * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise. * tree-ssa-loop-manip.c (create_iv): Likewise. * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement, abs_replacement): Likewise. * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt, realify_fake_stores): Likewise. * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR node rather than a GIMPLE_MODIFY_STMT node. (std_gimpify_va_arg_expr, expand_builtin_va_copy, fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos): Likewise. (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT. * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and GIMPLE_MODIFY_STMT. 2007-02-15 Andrew Pinski PR middle-end/30433 * fold-const.c (fold_comparison): Add back the folding of constant complex comparisions. 2007-02-15 Andrew Pinski PR middle-end/30729 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side effects unknown to this function, return early. 2007-02-15 Ian Lance Taylor * lower-subreg.c (move_eh_region_note): New static function. (resolve_simple_move): Call it. (decompose_multiword_subregs): Track blocks for which we resolve a simple move which is also a control flow insn. Pass them to find_many_sub_basic_blocks. (pass_lower_subreg): Add TODO_verify_flow. (pass_lower_subreg2): Likewise. 2007-02-15 Sandra Loosemore Brooks Moses Lee Millward * tree.h (enum tree_code_class): Add tcc_vl_exp. (VL_EXP_CLASS_P): New. (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (TREE_OPERAND_CHECK_CODE): Likewise. (GIMPLE_STMT_OPERAND_CHECK): Likewise. (TREE_RTL_OPERAND_CHECK): Likewise. (tree_operand_check_failed): Make second parameter the whole tree instead of its code. Fixed callers. (VL_EXP_CHECK): New. (TREE_OPERAND_LENGTH): New. (VL_EXP_OPERAND_LENGTH): New. (CALL_EXPR_FN): New. (CALL_EXPR_STATIC_CHAIN): New. (CALL_EXPR_ARGS): New. (CALL_EXPR_ARG): New. (call_expr_nargs): New. (CALL_EXPR_ARGP): New. (build_nt_call_list): Declare. (build_vl_exp_stat): Declare. (build_vl_exp): New. (build_call_list): Declare. (build_call_nary): Declare. (build_call_valist): Declare. (build_call_array): Declare. (call_expr_arg): Declare. (call_expr_argp): Declare. (call_expr_arglist): Declare. (fold_build_call_list): Declare. (fold_build_call_list_initializer): Declare. (fold_call_expr): Declare to replace fold_builtin. (fold_builtin_fputs): Update to agree with modified definition. (fold_builtin_strcpy): Likewise. (fold_builtin_strncpy): Likewise. (fold_builtin_memory_chk): Likewise. (fold_builtin_stxcpy_chk): Likewise. (fold_builtin_strncpy_chk): Likewise. (fold_builtin_next_arg): Likewise. (fold_build_call_expr): Declare. (fold_builtin_call_list): Declare. (fold_builtin_call_valist): Declare. (build_call_expr): Declare. (validate_arglist): Update to agree with modified definition. (tree_operand_length): New. (call_expr_arg_iterator): New. (init_call_expr_arg_iterator): New. (next_call_expr_arg): New. (first_call_expr_arg): New. (more_call_expr_args_p): New. (FOR_EACH_CALL_EXPR_ARG): New. * tree.c (tree_code_class_string): Add entries for tcc_vl_exp and tcc_gimple_stmt. (tree_code_size): Update documentation. Use sizeof (tree) rather than sizeof (char *). (tree_size): Likewise. Add case for tcc_vl_exp. (tree_node_structure): Add case for tcc_vl_exp. (contains_placeholder_p): Likewise. (substitute_in_expr): Likewise. (substitute_placeholder_in_expr): Likewise. (stabilize_reference_1): Likewise. (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion to diagnose breakage of this interface for constructing CALL_EXPRs. (build_nt): Add similar assertion here. (build_nt_call_list): New. (simple_cst_equal) : Rewrite to use new accessors. (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (get_callee_fndecl): Use new CALL_EXPR accessors. (tree_operand_check_failed): Change parameters to pass entire node instead of its code, so that we can call TREE_OPERAND_LENGTH on it. (process_call_operands): New. (build_vl_exp_stat): New. (build_call_list): New. (build_call_nary): New. (build_call_valist): New. (build_call_array): New. (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (call_expr_arglist): New. * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use tcc_vl_exp instead of a fixed-size tcc_expression. * doc/c-tree.texi (CALL_EXPR): Document new representation and accessors for CALL_EXPRs. (AGGR_INIT_EXPR): Likewise. 2007-02-15 Sandra Loosemore Brooks Moses Lee Millward * builtins.c (c_strlen): Return NULL_TREE instead of 0. (expand_builtin_nonlocal_goto): Change parameter to be entire CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors. (expand_builtin_prefetch): Likewise. (expand_builtin_classify_type): Likewise. (mathfn_built_in): Return NULL_TREE instead of 0. (expand_errno_check): Use new CALL_EXPR accessors. (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors. Return NULL_RTX instead of 0. (expand_builtin_mathfn_2): Likewise. (expand_builtin_mathfn_3): Likewise. (expand_builtin_interclass_mathfn): Likewise. (expand_builtin_sincos): Likewise. (expand_builtin_cexpi): Likewise. (expand_builtin_int_roundingfn): Likewise. (expand_builtin_int_roundingfn_2): Likewise. (expand_builtin_pow): Likewise. (expand_builtin_powi): Likewise. (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead of arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_RTX instead of 0. (expand_builtin_strstr): Likewise. (expand_builtin_strchr): Likewise. (expand_builtin_strrchr): Likewise. (expand_builtin_strpbrk): Likewise. (expand_builtin_memcpy): Likewise. (expand_builtin_mempcpy): Likewise. (expand_builtin_mempcpy_args): New. (expand_builtin_memmove): Similarly to expand_builtin_mempcpy. (expand_builtin_memmove_args): New. (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy. (expand_movstr): Likewise. (expand_builtin_strcpy): Likewise. (expand_builtin_strcpy_args): New. (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy. (expand_builtin_strncpy): Likewise. (expand_builtin_memset): Likewise. (expand_builtin_memset_args): New. (expand_builtin_bzero): Similarly to expand_builtin_memset. (expand_builtin_memcmp): Likewise. (expand_builtin_strcmp): Likewise. (expand_builtin_strncmp): Likewise. (expand_builtin_strcat): Likewise. (expand_builtin_strncat): Likewise. (expand_builtin_strspn): Likewise. (expand_builtin_strcspn): Likewise. (expand_builtin_args_info): Likewise. (expand_builtin_va_start): Likewise. (gimplify_va_arg_expr): Likewise. (expand_builtin_va_end): Likewise. (expand_builtin_va_copy): Likewise. (expand_builtin_frame_address): Likewise. (expand_builtin_alloca): Likewise. (expand_builtin_bswap): Likewise. (expand_builtin_unop): Likewise. (expand_builtin_fputs): Likewise. (expand_builtin_expect): Likewise. (expand_builtin_fabs): Likewise. (expand_builtin_copysign): Likewise. (expand_builtin_printf): Likewise. (expand_builtin_fprintf): Likewise. (expand_builtin_sprintf): Likewise. (expand_builtin_init_trampoline): Likewise. (expand_builtin_signbit): Likewise. (expand_builtin_fork_or_exec): Likewise. (expand_builtin_sync_operation): Likewise. (expand_builtin_compare_and_swap): Likewise. (expand_builtin_lock_test_and_set): Likewise. (expand_builtin_lock_release): Likewise. (expand_builtin): Likewise. (builtin_mathfn_code): Likewise. (fold_builtin_constant_p): Pass call arguments individually instead of as an arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_TREE instead of 0. (fold_builtin_expect): Likewise. (fold_builtin_classify_type): Likewise. (fold_builtin_strlen): Likewise. (fold_builtin_nan): Likewise. (integer_valued_real_p): Likewise. (fold_trunc_transparent_mathfn): Likewise. (fold_fixed_mathfn): Likewise. (fold_builtin_cabs): Likewise. (fold_builtin_sqrt): Likewise. (fold_builtin_cbrt): Likewise. (fold_builtin_cos): Likewise. (fold_builtin_cosh): Likewise. (fold_builtin_tan): Likewise. (fold_builtin_sincos): Likewise. (fold_builtin_cexp): Likewise. (fold_builtin_trunc): Likewise. (fold_builtin_floor): Likewise. (fold_builtin_ceil): Likewise. (fold_builtin_round): Likewise. (fold_builtin_int_roundingfn): Likewise. (fold_builtin_bitop): Likewise. (fold_builtin_bswap): Likewise. (fold_builtin_logarithm): Likewise. (fold_builtin_hypot): Likewise. (fold_builtin_pow): Likewise. (fold_builtin_powi): Likewise. (fold_builtin_exponent): Likewise. (fold_builtin_memset): Likewise. (fold_builtin_bzero): Likewise. (fold_builtin_memory_op): Likewise. (fold_builtin_bcopy): Deleted; call site changed to invoke fold_builtin_memory_op directly. (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op. (fold_builtin_strncpy): Likewise. (fold_builtin_memcmp): Likewise. (fold_builtin_strcmp): Likewise. (fold_builtin_strncmp): Likewise. (fold_builtin_signbit): Likewise. (fold_builtin_copysign): Likewise. (fold_builtin_isascii): Likewise. (fold_builtin_toascii): Likewise. (fold_builtin_isdigit): Likewise. (fold_builtin_fabs): Likewise. (fold_builtin_abs): Likewise. (fold_builtin_fmin_fmax): Likewise. (fold_builtin_carg): Likewise. (fold_builtin_classify): Likewise. (fold_builtin_unordered_cmp): Likewise. (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4): New functions split out from fold_builtin_1. (fold_builtin_n): New. (fold_builtin_varargs): New. (fold_builtin): Deleted. Most callers changed to use fold_call_expr instead. (fold_call_expr): New. (build_function_call_expr): Rewrite to use new helper function. (fold_builtin_call_list): New. (build_call_expr): New. (fold_builtin_call_valist): New. (rewrite_call_expr): New. (validate_arg): New. (validate_arglist): Change parameter to be entire CALL_EXPR instead of an arglist. Change return type to bool. Use new CALL_EXPR accessors. (fold_builtin_strstr): Pass call arguments individually instead of as an arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_TREE instead of 0. (fold_builtin_strchr): Likewise. (fold_builtin_strrchr): Likewise. (fold_builtin_strpbrk): Likewise. (fold_builtin_strcat): Likewise. (fold_builtin_strncat): Likewise. (fold_builtin_strspn): Likewise. (fold_builtin_strcspn): Likewise. (fold_builtin_fputs): Likewise. (fold_builtin_next_arg): Likewise. (fold_builtin_sprintf): Likewise. (expand_builtin_object_size): Use new CALL_EXPR accessors. Use NULL_RTX instead of 0. (expand_builtin_memory_chk): Likewise. (maybe_emit_chk_warning): Likewise. (maybe_emit_sprintf_chk_warning): Likewise. (fold_builtin_object_size): Pass call arguments individually instead of as an arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_TREE instead of 0. (fold_builtin_memory_chk): Likewise. (fold_builtin_stxcpy_chk): Likewise. (fold_builtin_strncpy_chk): Likewise. (fold_builtin_strcat_chk): Likewise. (fold_builtin_strcat_chk): Likewise. (fold_builtin_strncat_chk): Likewise. (fold_builtin_sprintf_chk): Likewise. (fold_builtin_snprintf_chk): Likewise. (fold_builtin_printf): Likewise. (fold_builtin_vprintf): Likewise. * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and constructors. (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case. (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (extract_muldiv_1): Add VL_EXP_CLASS_P case. (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors. (fold_unary): Likewise. (fold_binary): Likewise. (fold_ternary): Remove CALL_EXPR case, since they are no longer ternary expressions. (fold): Add logic for tcc_vl_exp. (fold_checksum_tree): Make it know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (fold_build3_stat): Add assertion to flag broken interface for constructing CALL_EXPRs. (fold_build_call_list): New. (fold_build_call_list_initializer): New. (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and constructors. (fold_strip_sign_ops): Likewise. 2007-02-15 Sandra Loosemore Brooks Moses Lee Millward * tree-dump.c (dequeue_and_dump) : Use new CALL_EXPR accessors and dump arguments explicitly. * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (dump_generic_node): Use new CALL_EXPR accessors and walk arguments explicitly. (print_call_name): Use new CALL_EXPR accessors. * print-tree.c (print_node): Add case tcc_vl_exp. Print CALL_EXPR arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors. (vrp_visit_stmt): Likewise. * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (force_move_till_expr): Likewise. * targhooks.c (default_external_stack_protect_fail): Use build_call_expr instead of build_function_call_expr. (default_hidden_stack_protect_fail): Likewise. * tree-complex.c (expand_complex_libcall): Use build_call_expr to build the call. * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors and walk arguments explicitly. * tree-ssa-loop-niter.c (simplify_replace_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (expand_simple_operations): Likewise. (infer_loop_bounds_from_array): Use new CALL_EXPR accessors. * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs. * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * value_prof.c (tree_ic): Use new CALL_EXPR accessors. (tree_ic_transform): Likewise. (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as parameter instead of arglist. Fix callers. (tree_stringop_fixed_value): Use new CALL_EXPR accessors. (tree_stringops_transform): Likewise. (tree_indirect_call_to_profile): Likewise. (tree_stringops_values_to_profile): Likewise. * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator. (eliminate_tail_call): Likewise. * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors. * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop): Use TREE_OPERAND_LENGTH and generalize to handle any number of operands. (instantiate_parameters_1): Can't handle tcc_vl_exp here. * omp-low.c (build_omp_barrier): Use build_call_expr. (lower_rec_input_clauses): Likewise. (lower_reduction_clauses): Likewise. (expand_parallel_call): Likewise. (maybe_catch_exception): Likewise. (expand_omp_for_generic): Likewise. (expand_omp_for_static_nochunk): Likewise. (expand_omp_sections): Likewise. (lower_omp_single_simple): Likewise. (lower_omp_single_copy): Likewise. (lower_omp_master): Likewise. (lower_omp_ordered): Likewise. (lower_omp_critical): Likewise. * ipa-reference.c (check-call): Use new CALL_EXPR iterator. (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR. * tree-gimple.c (is_gimple_call_addr): Fix doc. (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. Add tcc_vl_exp case. * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH and generalize to handle any number of operands. (chrec_contains_undetermined): Likewise. (tree_contains_chrecs): Likewise. (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH. * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors. * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use fold_call_expr instead of fold_builtin. (ccp_fold_builtin): Likewise. Update calls into builtins.c to match declarations there. (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc updates. * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors. (scan_function): Add case tcc_vl_exp for CALL_EXPR. * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR accessors. * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr. (execute_cse_sincos): Use new CALL_EXPR accessors. * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator. * gimple-low.c (lower_function_body): Use build_call_expr. (lower_builtin_setjmp): Likewise. * expr.c (emit_block_move_via_libcall): Use build_call_expr. (set_storage_via_libcall): Likewise. (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (expand_expr_real_1): Use new CALL_EXPR accessors. * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and generalize to handle any number of operands. (TB_parent_eq): Likewise. * predict.c (expr_expected_value): Use new CALL_EXPR accessors. (strip_builtin_expect): Likewise. * function.c (gimplify_parameters): Use build_call_expr. * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators. (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR. * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR iterators. * gimplify.c (build_stack_save_restore): Use build_call_expr. (gimplify_decl_expr): Likewise. (gimplify_call_expr): Use fold_call_expr instead of fold_builtin. Use new CALL_EXPR iterators. (gimplify_modify_expr_to_memcpy): Use build_call_expr. (gimplify_modify_expr_to_memset): Likewise. (gimplify_variable_sized_compare): Likewise. (gimplify_omp_atomic_fetch_op): Likewise. (gimplify_omp_atomic_pipeline): Likewise. (gimplify_omp_atomic_mutex): Likewise. (gimplify_function_tree): Likewise. * calls.c (alloca_call_p): Use new CALL_EXPR accessors. (call_expr_flags): Likewise. (expand_call): Likewise. * except.c (expand_builtin_eh_return_data_regno): Pass entire CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR accessors. * coverage.c (create_coverage): Use build_call_expr. * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete. (temp_call_expr_obstack): New. (pool_copy_list): Delete. (temp_copy_call_expr): New. (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new CALL_EXPR accessors. Get rid of special goo for copying argument lists and use temp_copy_call_expr instead. (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new CALL_EXPR accessors. (create_expression_by_pieces): Likewise. Use build_call_array to construct the result instead of fold_build3. (create_value_expr_from): Add tcc_vl_exp. Delete special goo for dealing with argument lists. (init_pre): Remove references to expression_node_pool and list_node_pool. Init temp_call_expr_obstack instead. (fini_pre): Remove references to expression_node_pool and list_node_pool. * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors and walk arguments explicitly instead of as a list. * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr. (mx_register_decls): Likewise. (mudflap_register_call): Likewise. (mudflap_finish_file): Likewise. * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors. (ipa_callsite_compute_param): Likewise. * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR accessors and constructor. * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR accessors and constructor. (convert_tramp_reference): Likewise. (convert_call_expr): Likewise. (finalize_nesting_tree_1): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR accessors. * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr. * tree-inline.c (initialize_inlined_parameters): Pass entire CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR accessors. (estimate_num_insns_1): Use new CALL_EXPR accessors. (expand_call_inline): Tidy up call to initialize_inlined_parameters. * tree-vect-transform.c (vect_create_epilog_for_reduction): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (vectorizable_reduction): Likewise. (vectorizable_call): Use new CALL_EXPR iterators. (vectorizable_conversion): Use build_call_expr. (vectorizable_operation): Use TREE_OPERAND_LENGTH. (vect_gen_widened_results_half): Use build_call_expr. (vect_setup_realignment): Likewise. (vectorizable_live_operation): Use TREE_OPERAND_LENGTH. * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors. (pass_through_call): Likewise. (compute_object_sizes): Likewise. Use fold_call_expr instead of fold_builtin. * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr. (tree_gen_pow2_profiler): Likewise. (tree_gen_one_value_profiler): Likewise. (tree_gen_ic_func_profiler): Likewise. (tree_gen_average_profiler): Likewise. (tree_gen_ior_profiler): Likewise. * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp. (find_func_aliases): Use new CALL_EXPR accessors. Add case tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * convert.c (convert_to_real): Use new CALL_EXPR accessors and constructor. (convert_to_integer): Likewise. * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR accessors. 2007-02-15 Sandra Loosemore Brooks Moses Lee Millward * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR accessors. * config/frv/frv.c (frv_expand_builtin): Likewise. * config/s390/s390.c (s390_expand_builtin): Likewise. * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr. (sparc_expand_builtin): Use new CALL_EXPR accessors. * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise. (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR accessors on it. Fix callers. (ix86_expand_store_builtin): Likewise. (ix86_expand_unop_builtin): Likewise. (ix86_expand_unop1_builtin): Likewise. (ix86_expand_sse_compare): Likewise. (ix86_expand_sse_comi): Likewise. (ix86_expand_vec_init_builtin): Likewise. (ix86_expand_vec_ext_builtin): Likewise. (ix86_expand_vec_set_builtin): Likewise. (ix86_expand_builtin): Use new CALL_EXPR accessors. * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors. * config/c4x/c4x.c (c4x_expand_builtin): Likewise. * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (iq2000_expand_builtin): Use new CALL_EXPR accessors. * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use build_call_expr. * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise. (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (altivec_expand_abs_builtin): Likewise. (rs6000_expand_binop_builtin): Likewise. (altivec_expand_predicate_builtin): Likewise. (altivec_expand_lv_builtin): Likewise. (spe_expand_stv_builtin): Likewise. (altivec_expand_stv_builtin): Likewise. (rs6000_expand_ternop_builtin): Likewise. (altivec_expand_ld_builtin): Use new CALL_EXPR accessors. (altivec_expand_st_builtin): Likewise. (altivec_expand_dst_builtin): Likewise. (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (altivec_expand_vec_set_builtin): Likewise. (altivec_expand_vec_ext_builtin): Likewise. (altivec_expand_builtin): Use new CALL_EXPR accessors. (spe_expand_builtin): Likewise. (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (spe_expand_evsel_builtin): Likewise. (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and FCFSX cases must construct whole new CALL_EXPR, not just arglist. * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (arm_expand_unop_builtin): Likewise. (arm_expand_builtin): Use new CALL_EXPR accessors. * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR accessors. * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (bfin_expand_unop_builtin): Likewise. (bfin_expand_builtin): Use new CALL_EXPR accessors. 2007-02-15 Sandra Loosemore Brooks Moses Lee Millward * c-semantics.c (build_stmt): Add internal diagnostic check. * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR accessors. Print arguments explicitly instead of as a list. * c-typeck.c (build_function_call): Use new CALL_EXPR constructors. * c-omp.c (c_finish_omp_barrier): Use build_call_expr. (c_finish_omp_flish): Likewise. * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (check_function_arguments_recurse): Use new CALL_EXPR accessors. (c_warn_unused_result): Likewise. 2007-02-15 Manuel Lopez-Ibanez PR c/26494 * doc/invoke.texi (Warning Options): Remove -Werror-implicit-function-declaration. (Wimplicit-function-declaration): Update description. * opts.c (common_handle_option): Move handling of -Werror=* to... (enable_warning_as_error): ...here. * opts.h (enable_warning_as_error): Declare. * c-decl.c (implicit_decl_warning): Unless -Wno-implicit-function-declaration is given, emit a pedwarn if -std=c99 or emit a warning if -Wimplicit-function-declaration. * c.opt (Wimplicit-function-declaration): Replace mesg_implicit_function_declaration with warn_implicit_function_declaration. * c-opts.c (c_common_handle_option): -Werror-implicit-function-declaration is exactly equal as -Werror=implicit-function-declaration. (set_Wimplicit): Replace mesg_implicit_function_declaration with warn_implicit_function_declaration. (c_common_post_options): -Wimplict-function-declaration is enabled by default by -std=c99, otherwise is disabled by default. * c-objc-common.c (c_objc_common_init): Remove flawed logic. 2007-02-15 Eric Botcazou * gimplify.c (gimplify_modify_expr): During gimplification, attach a DECL on the rhs to a DECL on the lhs for debug info purposes if the former is ignored but not the latter. 2007-02-15 Eric Botcazou * expr.c (expand_expr_real_1) : If a temporary is made and the reference doesn't use the alias set of its type, do not create the temporary using that type. 2007-02-15 Aldy Hernandez * jump.c: Remove prototypes for delete_computation and delete_prior_computation. 2007-02-15 Paolo Bonzini * jump.c (get_label_after): Delete. (get_label_before, delete_computation, delete_jump, delete_prior_computation, follow_jumps): Move... * reorg.c (delete_computation, delete_prior_computation): ... here... (get_label_before, delete_jump): ... making these static ... (follow_jumps): ... and simplifying this since it only runs after reload. * rtl.h (get_label_after, get_label_before, delete_jump, follow_jumps): Delete prototypes. 2007-02-15 Paolo Bonzini * caller-save.c (save_call_clobbered_regs): Do not process sibcalls. 2007-02-15 Nick Clifton * varasm.c (default_asm_output_anchor): Prepend * to . symbol in order to prevent it from being munged by the target. 2007-02-15 Uros Bizjak * config/i386/i386.md: Remove misleading comment. 2007-02-15 Alexandre Oliva * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns, reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove invalid patterns. 2007-02-15 Alexandre Oliva * tree-sra.c (instantiate_missing_elements): Canonicalize bit-field types. (sra_build_assignment): New. (generate_copy_inout, generate_element_copy, generate_element_zero, generate_one_element_init): Use it. 2007-02-15 Alexandre Oliva * tree-sra.c (instantiate_missing_elements): Canonicalize bit-field types. (sra_build_assignment): New. (generate_copy_inout, generate_element_copy, generate_element_zero, generate_one_element_init): Use it. 2007-02-15 Alexandre Oliva * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of limbo die nodes. 2007-02-14 Joseph Myers * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex types as aggregates not scalars. * function.c (assign_stack_temp_for_type): Likewise. 2007-02-14 Roger Sayle Zdenek Dvorak * tree-dump.c (dump_switch_p_1): Require exact match of the option name. 2007-02-14 Zdenek Dvorak * passes.c (next_pass_1): Clear the next field of the copied pass structure. 2007-02-14 Richard Henderson * tree-sra.c (early_sra): New. (decl_can_be_decomposed_p): Deny va_list if early_sra. (tree_sra_early, pass_sra_early): New. * tree-pass.h (pass_sra_early): Declare. * passes.c (init_optimization_passes): Use it. 2007-02-14 Richard Guenther * flags.h (issue_strict_overflow_warning): Convert to a macro. 2007-02-14 Dorit Nuzman PR tree-optimization/30771 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse also phi nodes. (vect_analyze_operations): Induction phis can now be marked as used_in_loop. (vect_mark_stmts_to_be_vectorized): No special treatment for phis. Update documentation accordingly. 2007-02-14 Nick Clifton * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at most 3 arguments are supported. (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description. 2007-02-13 Seongbae Park * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor): Ensure dst->current is valid. 2007-02-13 Paul Brook * config.gcc: Add arm*-*-uclinux-*eabi. * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define. (SUBTARGET_EXTRA_LINK_SPEC): Define. (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling. (LINK_GCC_C_SEQUENCE_SPEC): Undef. (LINK_SPEC): Define. (LIB_SPEC): Define. * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC register. * config/arm/uclinux-eabi.h: New file. * config/arm/linux-eabi.h (WCHAR_TYPE): Remove. * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS based targets. 2007-02-13 Ian Lance Taylor * common.opt: Add Wstrict-overflow and Wstrict-overflow=. * flags.h (warn_strict_overflow): Declare. (enum warn_strict_overflow_code): Define. (issue_strict_overflow_warning): New static inline function. * opts.c (warn_strict_overflow): New variable. (common_handle_option): Handle OPT_Wstrict_overflow and OPT_Wstrict_overflow_. * c-opts.c (c_common_handle_option): Set warn_strict_overflow for OPT_Wall. * fold-const.c: Include intl.h. (fold_deferring_overflow_warnings): New static variable. (fold_deferred_overflow_warning): New static variable. (fold_deferred_overflow_code): New static variable. (fold_defer_overflow_warnings): New function. (fold_undefer_overflow_warnings): New function. (fold_undefer_and_ignore_overflow_warnings): New function. (fold_deferring_overflow_warnings_p): New function. (fold_overflow_warning): New static function. (make_range): Add strict_overflow_p parameter. Change all callers. (extract_muldiv, extract_muldiv_1): Likewise. (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling tree_expr_nonnegative_p. (fold_negate_expr): Call fold_overflow_warning. (fold_range_test): Likewise. (fold_comparison): Likewise. (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p. (tree_expr_nonnegative_warnv_p): Rename from tree_expr_nonnegative_p, add strict_overflow_p parameter. (tree_expr_nonnegative_p): New function. (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add strict_overflow_p parameter. (tree_expr_nonzero_p): New function. * passes.c (verify_interpass_invariants): New static function. (execute_one_pass): Call it. * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold warnings. (number_of_iterations_exit, loop_niter_by_eval): Likewise. (estimate_numbers_of_iterations): Likewise. (scev_probably_wraps_p): Likewise. * tree-ssa-ccp.c: Include "toplev.h". (evaluate_stmt): Defer fold overflow warnings until we know we are going to optimize. (struct fold_stmt_r_data): Add stmt field. (fold_stmt_r): Defer fold overflow warnings until we know we optimized. (fold_stmt): Initialize stmt field of fold_stmt_r_data. (fold_stmt_inplace): Likewise. * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h". (cleanup_control_expr_graph): Defer fold overflow warnings until we know we are going to optimize. * tree-cfg.c (fold_cond_expr_cond): Likewise. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * tree-vrp.c (vrp_expr_computes_nonnegative): Call tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p. * tree-ssa-loop-manip.c (create_iv): Likewise. * c-typeck.c (build_conditional_expr): Likewise. (build_binary_op): Likewise. * tree-vrp.c (vrp_expr_computes_nonzero): Call tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p. (extract_range_from_unary_expr): Likewise. * simplify-rtx.c (simplify_const_relational_operation): Warn when assuming that signed overflow does not occur. * c-common.c (pointer_int_sum): Ignore fold overflow warnings. * tree.h (tree_expr_nonnegative_warnv_p): Declare. (fold_defer_overflow_warnings): Declare. (fold_undefer_overflow_warnings): Declare. (fold_undefer_and_ignore_overflow_warnings): Declare. (fold_deferring_overflow_warnings_p): Declare. (tree_expr_nonzero_warnv_p): Declare. * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list of warning options. (Warning Options): Document -Wstrict-overflow. * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h. (tree-ssa-ccp.o): Likewise. (tree-cfgcleanup.o): Change errors.h dependency to toplev.h. (fold-const.o): Depend on intl.h. 2007-02-13 Ian Lance Taylor PR middle-end/30751 * lower-subreg.c (resolve_simple_move): Decompose subregs in addresses. 2007-02-13 Stuart Hastings * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2. 2007-02-13 Richard Henderson * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip handled_component_p before looking for the indirect_ref. 2007-02-13 Richard Henderson * config/i386/i386.md (bswapsi_1): Rename from bswapsi2, remove flags clobber. (bswapsi2): New expander, emit code for !TARGET_BSWAP. (bswaphi_lowpart): New. (bswapdi2): Rename from bswapdi2_rex, remove flags clobber, remove TARGET_BSWAP test. Delete expander of the same name. * optabs.c (widen_bswap, expand_doubleword_bswap): New. (expand_unop): Use them. 2007-02-13 Uros Bizjak * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1, *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor, *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext, *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent assembler dialect choice from asm templates. 2007-02-12 Richard Henderson * config/i386/i386.md (fixuns_truncsi_1): New insn. (fixuns_truncsi2): Use it. * config/i386/sse.md (vec_setv4sf_0): Export. * config/i386/i386.c (ix86_build_const_vector): Export. (ix86_split_convert_uns_si_sse): Rename from ix86_expand_convert_uns_si_sse and rewrite as a splitter. * config/i386/i386-protos.h: Update. 2007-02-13 Manuel Lopez-Ibanez PR c/29521 * c-typeck.c (c_finish_return): Improve warning message. 2007-02-12 Manuel Lopez-Ibanez * alias.c (find_symbolic_term): Delete unused function. 2007-02-12 Uros Bizjak * config/i386/i386.md (paritydi2, paritysi2): New expanders. (paritydi2_cmp, paritydi2_cmp): New insn and split patterns. (*parityhi2_cmp, *parityqi2_cmp): New insn patterns. 2007-02-12 Eric Botcazou * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL. * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on the function, temporarily point the debug interface to the null one. 2007-02-12 Eric Botcazou * dwarf2out.c (round_up_to_align): New static function. (field_byte_offset): Use it to round the offset. 2007-02-12 Richard Henderson * config/alpha/alpha.md (bswapsi2, bswapdi2): New. (inswl_const): Export. 2007-02-12 Richard Henderson * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the result mode of the libcall, convert back to outmode. 2007-02-12 Roger Sayle * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2. (bswapdi2): New define_expand to implement 32-bit implementation. 2007-02-12 Nick Clifton * doc/invoke.texi (Overall Options): Document --help=. * gcc.c (target_help_flag): Rename to print_subprocess_flag. (cc1_options): Pass --help= on to cc1. (display_help): Add description of --help=. (process_command): Add code to handle --help=. Allow translated --help and --target-help switches to be passed on to compiler sub-process. (main): Remove unused if statement. * opts.c (columns): Remove. (LEFT_COLUMN): Define. (wrap_help): Add columns argument. (print_filtered_help): Change parameters to be an include bitmask, an exclude bitmask, an any bitmask and the column width. Move the code to display the params list here. Add code to display the status of options rather than their descriptions if the quiet flag is not active. (print_specific_help): Change parameters to be an include bitmask, an exclude bitmask and an any bitmask. Move code to look up the column width here. Decide upon the title for an options listing. (common_handle_options): Add code to handle --help=. Adapt code for --help and --target-help to use the revised form of the print_specific_help function. (print_help): Delete. (print_param_help): Delete. (print_switch): Delete. * opts.h (cl_lang_count): Add prototype. (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS, CL_MAX_OPTION_CLASS): New defines. * optc-gen.awk: Add construction of cl_lang_count. * c.opt: Add Warning attribute to warning options and Optimization attribute to optimization options. * common.opt: Likewise. Add --help=. Add -fhelp and -ftarget-help as aliases for the transformed --help and --target-help options. * opt-functions.awk: Add code to handle Warning and Optimization attributes. 2007-02-12 Richard Henderson * config/alpha/constraints.md: New file. * config/alpha/alpha.c: Include tm-constrs.h. (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p, alpha_extra_constraint): Remove. (alpha_emit_conditional_branch): Use satisfies_constraint_*. * config/alpha/alpha-protos.h: Update. * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove. (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove. (EXTRA_CONSTRAINT): Remove. * config/alpha/alpha.md: Include constraints.md. (adddi splitter): Use satisfies_constraint_*. * config/alpha/predicates.md (add_operand): Likewise. (sext_add_operand, addition_operation): Likewise. 2007-02-12 Dorit Nuzman PR tree-optimization/29145 * tree-data-ref.c (base_addr_differ_p): Make us more conservative in our handling of restrict qualified pointers. 2007-02-12 Manuel Lopez-Ibanez PR middle-end/7651 * doc/invoke.texi (Wunused-value): Update description. (Wextra): Delete item. * opts.c (set_Wextra): Don't use the value of Wextra to set the value of Wunused-value. * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings. (c_finish_stmt_expr): Don't check extra_warnings. (emit_side_effect_warnings): The caller is responsible to check warn_unused_value. 2007-02-11 Roger Sayle Matt Thomas * simplify-rtx.c (simplify_relational_operation_1): Correct typo. 2007-02-11 Roger Sayle * simplify-rtx.c (simplify_relational_operation_1): Optimize comparisons of POPCOUNT against zero. (simplify_const_relational_operation): Likewise. 2007-02-11 Manuel Lopez-Ibanez * doc/invoke.texi (Wextra): Delete outdated paragraph. 2007-02-11 Manuel Lopez-Ibanez * dwarf2out.c (root_type): Delete unused function. 2007-02-11 Manuel Lopez-Ibanez * genattrtab.c (contained_in_p): Delete unused function. (write_expr_attr_cache): Likewise. 2007-02-11 Jan Hubicka * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the previous patch. 2007-02-11 Steven Bosscher * fwprop.c (try_fwprop_subst): Use set_unique_reg_note to add the REG_EQ* note. * see.c (see_merge_one_use_extension): Likewise. * local-alloc.c (update_equiv_regs): Likewise. Also don't turn REG_EQUAL notes into REG_EQUIV notes if the target register may have more than one set. * function.c (assign_parm_setup_reg): Use set_unique_reg_note. * gcse.c (try_replace_reg): Likewise. * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note. * calls.c (fixup_tail_calls): Likewise. Abort if there is more than one REG_EQUIV note. * reload1.c (gen_reload): Use set_unique_reg_note. 2007-02-11 Uros Bizjak * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define. (ix86_builtin_conversion): New function. 2007-02-06 Mark Mitchell PR target/29487 * tree.h (DECL_REPLACEABLE_P): New macro. * except.c (set_nothrow_function_flags): Likewise. 2007-02-11 Tehila Meyzels Ira Rosen Dorit Nuzman * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook. * targhooks.c (default_builtin_vectorized_conversion): New. * targhooks.h (default_builtin_vectorized_function): New declaration. * target.h (struct vectorize): Add builtin_conversion field. * tree-vectorizer.h (type_conversion_vec_info_type): New enum stmt_vec_info_type value. (vectorizable_conversion): New declaration. * tree-vect-analyze.c (vect_analyze_operations): Add vectorizable_conversion call. * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New. * tree-vect-transform.c (vectorizable_conversion): New function. (vect_transform_stmt): Add case for type_conversion_vec_info_type. * tree-vect-generic.c (expand_vector_operations_1): Consider correct mode. * config/rs6000/rs6000.c (rs6000_builtin_conversion): New. (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined. (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX or ALTIVEC_BUILTIN_VCFSX. 2007-02-10 John David Anglin PR target/30634 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero CONST_DOUBLE and operand 0 is a hard register. (movdi): For 64-bit target, remove code to force CONST_DOUBLE to memory. Fail if operand 1 is a non-zero CONST_INT and operand 0 is a hard floating-point register. 2007-02-10 Richard Henderson Jakub Jelinek Alexandre Oliva * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. 2007-02-10 Kaz Kojima PR rtl-optimization/29599 * reload1.c (eliminate_regs_in_insn): Take the destination mode into account when computing the offset. 2007-02-09 Stuart Hastings Richard Henderson * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New. * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New. * config/i386/i386.md (fixuns_truncsi2, fixuns_truncsfhi2, fixuns_truncdfhi2): New. (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse. (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse. (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse. (floatunssidf2): Allow nonimmediate source. * config/i386/sse.md (movdi_to_sse): New. (vec_concatv2di): Drop '*'. * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse, ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse, ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse): New. * config/i386/i386.c (ix86_expand_convert_uns_si_sse, ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse, ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse, ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New. (ix86_build_signbit_mask): Fix decl of v, refactor to call ix86_build_const_vector. (x86_emit_floatuns): Rewrite. 2007-02-10 Manuel Lopez-Ibanez * genautomata.c (longest_path_length): Delete unused function. (struct state): Delete unused longest_path_length. (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro. (get_free_state): Delete unused. 2007-02-09 Jan Hubicka * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30. * doc/invoke.texi (inline-unit-growth): Update default value. * Makefile.in (passes.o, ipa-inline.o): Add dependencies. * cgraphbuild.c (build_cgraph_edges): Compute frequencies. (rebuild_cgraph_edges): Likewise. * cgraph.c (cgraph_set_call_stmt): Add new argument frequency. (dump_cgraph_node): Dump frequencies. (cgraph_clone_edge): Add frequency scales. (cgraph_clone_node): Add freuqnecy. * cgraph.h (cgraph_edge): Add freuqnecy argument. (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants. (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update. * tree-pass.h (TODO_rebuild_frequencies): New constant. * cgraphunit.c (verify_cgraph_node): Verify frequencies. (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge. (save_inline_function_body): Likewise. * ipa-inline.c: inluce rtl.h (cgraph_clone_inlined_nods): Update call of cgraph_clone_node. (cgraph_edge_badness): Use frequencies. (cgraph_decide_recursive_inlining): Update clonning. (cgraph_decide_inlining_of_small_function): Dump frequency. * predict.c (estimate_bb_frequencies): Export. * predict.h (estimate_bb_frequencies): Declare. * tree-inline.c (copy_bb): Watch overflows. (expand_call_inline): Update call of cgraph_create_edge. (optimize_inline_calls): Use TODO flags to update frequnecies. * passes.h: Include predict.h (init_optimization_passes): Move profile ahead. (execute_function_todo): Handle TODO_rebuild_frequencies. 2007-02-09 Roger Sayle * config/alpha/alpha.c (emit_insxl): Force the first operand of the insbl or inswl pattern into a register. 2007-02-09 Roger Sayle * config/ia64/ia64.md (bswapdi2): New define_insn. 2007-02-09 Richard Henderson * config/i386/constraints.md (Ym): New constraint. * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints. (movdi_1_rex64): Split sse and xmm general register moves from memory move alternatives. Use conditional register constraints. (movsf_1, movdf_integer): Likewise. (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise. (movdf_integer_rex64): New. (pushsf_rex64): Fix output constraints. * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi. (sse2_stored): Likewise. (sse2_storeq_rex64): New. * config/i386/i386.c (x86_inter_unit_moves): Enable for not amd and not generic. (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES for optimize_size. Remove SF/DFmode hack. 2007-02-09 Dwarakanath Rajagopal * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10. (bit_SSE4a): New. 2007-02-09 Nathan Sidwell Richard Sandiford * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*) (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu. (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add m68k/t-mlib to tmake_file. (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well. (m68k*-*-*): Use --with-arch to pick a default for --with-cpu. (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch. Allow it to be cf or m68k. Set m68k_arch_family. If that variable is not empty, add t-$m68k_arch_family to tmake_file. Add t-mlibs to tmake_file. * doc/install.texi: Document --with-arch=m68k and --with-arch=cf. * config/m68k/t-cf: New file. * config/m68k/t-m68k: Likewise. * config/m68k/t-mlibs: Likewise. * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete. (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define. * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC): Delete. * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete. (INSTALL_LIBGCC): Delete. (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define. * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete. (M68K_MLIB_CPU): Define. * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES) (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete. (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define. 2007-02-09 Zdenek Dvorak Richard Guenther PR middle-end/23361 * fold-const.c (fold_comparison): Handle obfuscated comparisons against INT_MIN/INT_MAX. * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump file if a loop is removed. 2007-02-09 Joseph Myers * calls.c (store_one_arg): Pass correct alignment to emit_push_insn for non-BLKmode values. * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an unaligned stack slot via a suitably aligned slot. 2007-02-08 DJ Delorie * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence warnings. (legal_subregs): Use unsigned char, make const. (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables. 2007-02-08 Paul Brook * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no special interworking needed. 2007-02-08 Harsha Jagasia * config/i386/xmmintrin.h: Make inclusion of emmintrin.h conditional to __SSE2__. (Entries below should have been added to first ChangeLog entry for amdfam10 dated 2007-02-05) * config/i386/emmintrin.h: Generate #error if __SSE2__ is not defined. * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not defined. * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not defined. 2007-02-08 DJ Delorie * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New. * config/m32c/m32c.c (legal_subregs): New. (m32c_illegal_subreg_p): New. * config/m32c/predicates.md (m32c_any_operand): Use it to reject unsupported subregs of hard regs. 2007-02-08 Jan Hubicka * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with the same one; always update histograms. 2007-02-08 Diego Novillo * passes.c (init_optimization_passes): Tidy comment. 2007-02-08 Roger Sayle * simplify-rtx.c (simplify_unary_operation_1) : We can strip zero_extend, bswap and rotates from POCOUNT's argument. : Likewise, we can strip not, bswap, sign_extend, zero_extend and rotates from PARITY's argument. : A byte-swap followed by a byte-swap is an identity. (simplify_const_unary_operation) : Evaluate the byte-swap of an integer constant at compile-time. 2007-02-08 Diego Novillo PR 30562 * tree-flow.h (struct var_ann_d): Remove field 'is_used'. Update all users. * tree-ssa-alias.c (compute_is_aliased): Remove. Update all users. (init_alias_info): * tree-ssa-live.c (remove_unused_locals): Do not remove TREE_ADDRESSABLE variables. * tree-ssa-structalias.c (compute_points_to_sets): Tidy. * tree-ssa-operands.c (add_virtual_operand): Remove argument FOR_CLOBBER. Update all users. If VAR has an associated alias set, add a virtual operand for it if no alias is found to conflict with the memory reference. 2007-02-07 Jan Hubicka Robert Kidd * value-prof.c (visit_hist, free_hist): Return 1 instead of 0. 2007-02-07 Ian Lance Taylor * lower-subreg.c (simple_move): Reject PARTIAL_INT modes. 2007-02-07 Roger Sayle * config/rs6000/rs6000.md (ctz2, ffs2, popcount2, parity2, smulsi3_highpart, abstf2_internal, allocate_stack, tablejumpdi, movsi_to_cr_one): Remove constraints from define_expand's match_operands. 2007-02-07 Roger Sayle * global.c (compute_regsets): Move declatation of "i" inside of #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure. 2007-02-07 Jakub Jelinek PR c++/30703 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing of INDIRECT_REF . * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2. 2007-02-06 J"orn Rennecke Kaz Kojima PR target/29746 * config/sh/sh.c (expand_cbranchdi4): Use scratch register properly. (sh_initialize_trampoline): Add parentheses to avoid a warning. 2007-02-06 Zdenek Dvorak * doc/loop.texi: Document possibility not to perform disambiguation of loops with multiple latches. * cfgloopmanip.c (alp_enum_p): Removed. (add_loop): Handle subloops. Use get_loop_body_with_size. (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader. * cfghooks.c (redirect_edge_and_branch_force): Set dominator for the new forwarder block. (make_forwarder_block): Only call new_bb_cbk if it is not NULL. Handle the case latch is NULL. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications when marking loop exits. * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot be modified. * loop-init.c (loop_optimizer_init): Do not modify cfg. Call disambiguate_loops_with_multiple_latches. * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators before fix_loop_structure. * cfgloop.c: Include pointer-set.h and output.h. (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE, update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed. (get_loop_latch_edges, find_subloop_latch_edge_by_profile, find_subloop_latch_edge_by_ivs, find_subloop_latch_edge, mfb_redirect_edges_in_set, form_subloop, merge_latch_edges, disambiguate_multiple_latches, get_loop_body_with_size, disambiguate_loops_with_multiple_latches): New functions. (flow_loop_dump): Dump multiple latch edges. (flow_loop_nodes_find): Handle loops with multiple latches. (flow_loops_find): Ditto. Do not call canonicalize_loop_headers. (glb_enum_p): Modified. (get_loop_body): Use get_loop_body_with_size. * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag. (AVOID_CFG_MODIFICATIONS): New constant. (disambiguate_loops_with_multiple_latches, add_loop, get_loop_body_with_size): Declare. * Makefile.in (cfgloop.o): Add pointer-set.h and output.h. 2007-02-06 Seongbae Park PR inline-asm/28686 * global.c (compute_regsets): New function. (global_alloc): Refactored ELIMINABLE_REGSET and NO_GLOBAL_ALLOC_REGS computation out. (rest_of_handle_global_alloc): Call compute_regsets() for non-optimizing case. 2007-02-06 Richard Henderson * config/i386/constraints.md (Y2): Rename from Y. (Yi): New constraint. * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger, pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32, zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2. (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed, truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse, fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse, floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed, absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse, fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x. * config/i386/mmx.md (mov_internal_rex64, mov_internal, movv2sf_internal_rex64, movv2sf_internal, vec_extractv2si_1): Change Y constraints to Y2. * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si, vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di): Change Y constraints to Y2. (sse2_loadld): Change Y constraints to x. 2007-02-06 Roger Sayle * config/rs6000/rs6000.md (popcount2): Rewrite. (parity2): New define_expand using rs6000_emit_parity. * config/rs6000/rs6000.c (rs6000_emit_popcount, rs6000_emit_parity): New functions. * config/rs6000/rs6000-protos.h (rs6000_emit_popcount, rs6000_emit_parity): Prototype here. 2007-02-06 Ian Lance Taylor * lower-subreg.c (simple_move_operand): Reject CONST. (resolve_clobber): Call validate_change rather than directly assigning to XEXP (pat, 0). 2006-02-06 Paolo Bonzini * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency. (tree-ssa-reassoc.o): Add pointer-set.h dependency. (tree-cfg.o): Remove hashtab.h dependency. * tree-ssa-loop-ivopts.c: Include pointer-set.h. (struct ivopts_data): Change niters to pointer_map_t. (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete. (niter_for_exit): Create pointer_map on demand. Change for pointer_map API. (tree_ssa_iv_optimize_init): Initialize data->niters to NULL. (free_loop_data): Destroy data->niters if created and reset field. (tree_ssa_iv_optimize_finalize): Don't delete data->niters here. (tree_ssa_iv_optimize_loop): Check for presence of stale data. * tree-ssa-reassoc.c: Include pointer-set.h. (bb_rank): Change to long *. (operand_rank): Change to pointer_map_t. (find_operand_rank): Return long, -1 if not found. Declare as inline. (insert_operand_rank): Accept long. (operand_entry_hash, operand_entry_eq): Remove. (get_rank): Return long. Adjust for changes above. (init_reassoc): Change rank type to long. Adjust creation of bb_rank and operand_rank. (fini_reassoc): Delete operand_rank with pointer_map_destroy. * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map. (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete. (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument is not NULL. (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t directly since it cannot be NULL. (get_vi_for_tree): Rewrite for pointer_map API. (find_what_p_points_to): Adjust for change to lookup_vi_for_tree. (init_alias_vars): Create vi_for_tree as pointer_map. (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy. * tree-cfg.c: Don't include hashtab.h. (edge_to_cases): Declare as pointer_map. (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq): Delete. (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback. (start_recording_case_labels): Create edge_to_cases as pointer_map. (end_recoding_case_labels): Cleanup edge_to_cases manually before destroying it. (record_switch_edge): Delete. (get_cases_for_edge): Adjust for pointer_map API, inline record_switch_edge (rewritten for new API), remove goto. 2006-02-06 Paolo Bonzini * Makefile.in (tree-nested.o): Add pointer-set.h dependency. * tree-nested.c: Include pointer-set.h. (var_map_elt, var_map_eq, var_map_hash): Delete. (struct nesting_info): Remove GTY marker. Change the two htab_t's to pointer_map_t's. (nesting_info_bitmap_obstack): New. (lookup_field_for_decl): Adjust for pointer_map API. (lookup_tramp_for_decl): Adjust for pointer_map API. (get_nonlocal_debug_decl): Adjust for pointer_map API. (get_local_debug_decl): Adjust for pointer_map API. (convert_nl_goto_reference): Adjust for pointer_map API. (convert_nl_goto_receiver): Adjust for pointer_map API. (create_nesting_tree): Create outside GGC space. Create bitmap on the new obstack. Create field_map and var_map as pointer_maps. (free_nesting_tree): Adjust for changes to create_nesting_tree. (root): Delete. (lower_nested_functions): Move root here, no need to NULL it. Initialize and release the obstack. 2007-02-06 Paolo Bonzini * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Remove prototypes and make them non-static. (struct tree_int_map): Remove. * tree.h (struct tree_int_map): Move here, turning TO into an unsigned int. (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare. * tree.h (TREE_COMPLEXITY): Remove. (struct tree_exp): Remove complexity field. * tree.c (build1_stat): Don't set it. 2007-02-06 Dorit Nuzman Victor Kaplansky * tree-vectorizer.c (vect_is_simple_use): Support induction. (vect_is_simple_reduction): Support reduction with induction as one of the operands. (vect_is_simple_iv_evolution): Fix formatting. * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix formatting. Don't mark induction phis for vectorization. (vect_analyze_scalar_cycles): Analyze all inductions, then reductions. * tree-vect-transform.c (get_initial_def_for_induction): New function. (vect_get_vec_def_for_operand): Support induction. (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for induction case. (vectorizable_reduction): Support reduction with induction as one of the operands. (vectorizable_type_demotion): Use def-type of stmt argument rather than dummy def-type. * tree-ssa-loop.c (gate_scev_const_prop): Return the value of flag_tree_scev_cprop. * common.opt (tree-scev-cprop): New flag. * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in call to vect_get_new_vect_var. 2007-02-06 Ira Rosen * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that vectype is not NULL. (vect_pattern_recog_1): Likewise. 2007-02-05 Kaveh R. Ghazi * fold-const.c (negate_expr_p): Handle CONJ_EXPR. (fold_negate_expr): Likewise. 2007-02-05 Alexandre Oliva PR debug/30189 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE even if cv-qualification is the same. 2007-02-05 Geoffrey Keating * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call __enable_execute_stack on completion. 2007-02-05 Harsha Jagasia * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8, athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov, athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul, athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn, athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8, athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load, athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8, athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10. 2007-02-05 Harsha Jagasia * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse, cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387, swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse, fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse, x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed, floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse, floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1, mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn, umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn, umuldi3_highpart_rex64, umulsi3_highpart_insn, umulsi3_highpart_zext, smuldi3_highpart_rex64, smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld, x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse, sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387, sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387, sqrtextenddfxf2_i387): Added amdfam10_decode. * config/i386/athlon.md (athlon_idirect_amdfam10, athlon_ivector_amdfam10, athlon_idirect_load_amdfam10, athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10, athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10, athlon_ivector_store_amdfam10): New define_insn_reservation. (athlon_idirect_loadmov, athlon_idirect_movstore): Added amdfam10. 2007-02-05 Harsha Jagasia * config/i386/athlon.md (athlon_call_amdfam10, athlon_pop_amdfam10, athlon_lea_amdfam10): New define_insn_reservation. (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8, athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI, athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10. 2007-02-05 Harsha Jagasia * config/i386/athlon.md (athlon_sseld_amdfam10, athlon_mmxld_amdfam10, athlon_ssest_amdfam10, athlon_mmxssest_short_amdfam10): New define_insn_reservation. 2007-02-05 Harsha Jagasia * config/i386/athlon.md (athlon_sseins_amdfam10): New define_insn_reservation. * config/i386/i386.md (sseins): Added sseins to define_attr type and define_attr unit. * config/i386/sse.md: Set type attribute to sseins for insertq and insertqi. 2007-02-05 Harsha Jagasia * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10, ssecmpvector_load_amdfam10, ssecmpvector_amdfam10, ssecomi_load_amdfam10, ssecomi_amdfam10, sseaddvector_load_amdfam10, sseaddvector_amdfam10): New define_insn_reservation. (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10. 2007-02-05 Harsha Jagasia * config/i386/athlon.md (cvtss2sd_load_amdfam10, cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10, cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10, cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10, cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10, cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New define_insn_reservation. * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq, cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq, cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd, cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute. 2007-02-05 Harsha Jagasia * config/i386/athlon.md (athlon_ssedivvector_amdfam10, athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10, athlon_ssemulvector_load_amdfam10): New define_insn_reservation. (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul, athlon_ssemul_load_k8): Added amdfam10. 2007-02-05 Harsha Jagasia * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro. (x86_sse_unaligned_move_optimal): New variable. * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for m_AMDFAM10. (ix86_expand_vector_move_misalign): Add code to generate movupd/movups for unaligned vector SSE double/single precision loads for AMDFAM10. 2007-02-05 Harsha Jagasia * config/i386/i386.h (TARGET_AMDFAM10): New macro. (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10. Define TARGET_CPU_DEFAULT_amdfam10. (TARGET_CPU_DEFAULT_NAMES): Add amdfam10. (processor_type): Add PROCESSOR_AMDFAM10. * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match processor_type in config/i386/i386.h. Enable imul peepholes for TARGET_AMDFAM10. * config.gcc: Add support for --with-cpu option for amdfam10. * config/i386/i386.c (amdfam10_cost): New variable. (m_AMDFAM10): New macro. (m_ATHLON_K8_AMDFAM10): New macro. (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen, x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop, x86_promote_QImode, x86_integer_DFmode_moves, x86_partial_reg_dependency, x86_memory_mismatch_stall, x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387, x86_sse_partial_reg_dependency, x86_sse_typeless_stores, x86_use_ffreep, x86_use_incdec, x86_four_jump_limit, x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns): Enable/disable for amdfam10. (override_options): Add amdfam10_cost to processor_target_table. Set up PROCESSOR_AMDFAM10 for amdfam10 entry in processor_alias_table. (ix86_issue_rate): Add PROCESSOR_AMDFAM10. (ix86_adjust_cost): Add code for amdfam10. 2007-02-05 Harsha Jagasia * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm) instruction set feature flag. Add new (-mpopcnt) flag for popcnt instruction. Add new SSE4A (-msse4a) instruction set feature flag. * config/i386/i386.h: Add builtin definition for SSE4A. * config/i386/i386.md: Add support for ABM instructions (popcnt and lzcnt). * config/i386/sse.md: Add support for SSE4A instructions (movntss, movntsd, extrq, insertq). * config/i386/i386.c: Add support for ABM and SSE4A builtins. Add -march=amdfam10 flag. * config/i386/ammintrin.h: Add support for SSE4A intrinsics. * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt and amdfam10. * doc/extend.texi: Add documentation for SSE4A builtins. 2007-02-05 Bob Wilson * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs. 2007-02-05 Richard Guenther * tree-vectorizer.h (vectorizable_function): Add argument type argument, change return type. * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller. * tree-vect-transform.c (vectorizable_function): Handle extra argument, return vectorized function decl. (build_vectorized_function_call): Remove. (vectorizable_call): Handle calls with result and argument types differing. Handle loop vectorization factor correctly. * targhooks.c (default_builtin_vectorized_function): Adjust for extra argument. * targhooks.h (default_builtin_vectorized_function): Likewise. * target.h (builtin_vectorized_function): Add argument type argument. * config/i386/i386.c (ix86_builtin_vectorized_function): Handle extra argument, allow vectorizing of lrintf. * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust documentation of target hook. 2007-02-05 Hans-Peter Nilsson PR target/30665 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu") ("*andhi_clear", andu (casesi+45)): For size-changed operand where memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P. 2007-02-05 Roger Sayle * fold-const.c (fold_unary) : Test for availability of BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS. : Likewise, check for availability of BUILT_IN_SIN. * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS before canonicalizing sincos to cexpi. (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi. 2007-02-05 Roger Sayle * config/alpha/alpha.c (alpha_add_builtins): New Helper function. Set TREE_READONLY and TREE_NOTHROW directly, not via attributes. (alpha_init_builtins): Use alpha_add_builtins to process tables. 2007-02-05 Roger Sayle * mips-tfile.c (initialize_init_file): Correct endianness test. 2007-02-05 Kazu Hirata * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use the 'y' constraint. 2007-02-05 Richard Sandiford * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register saves in a PARALLEL before the register assignments. 2007-02-05 Richard Sandiford * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require DWARF_FRAME_RETURN_COLUMN to be a general register. * dwarf2out.c (init_return_column_size): New function, split from... (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN to be nongeneral registers. * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and integer registers. (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define. (DWARF_ALT_FRAME_RETURN_COLUMN): Define. 2007-02-04 Zdenek Dvorak * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR. 2007-02-04 Zdenek Dvorak * cfgloopmanip.c (loop_delete_branch_edge): Removed. (remove_path): Use can_remove_branch_p and remove_branch instead of loop_delete_branch_edge. * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function. (tree_transform_and_unroll_loop): Remove dead branches immediately. Update profile using scale_dominated_blocks_in_loop. * cfghooks.c (can_remove_branch_p, remove_branch): New functions. * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p. (can_remove_branch_p, remove_branch): Declare. * tree-cfg.c (tree_can_remove_branch_p): New function. (tree_cfg_hooks): Add tree_can_remove_branch_p. * cfgrtl.c (rtl_can_remove_branch_p): New function. (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p. 2007-02-05 Jan Hubicka PR middle-end/30696 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed nodes in cgraph, don't remove offline copy of the function. 2007-02-04 Jan Hubicka * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into vectors might cause maybe_lookup_element_for_expr to be called on non-sra-candidate. 2007-02-04 Kazu Hirata * config/bfin/bfin-modes.def, config/bfin/bfin.c, config/bfin/bfin.md, config/bfin/predicates.md: Follow spelling conventions. 2007-02-04 Richard Guenther PR middle-end/30636 * fold-const.c (try_move_mult_to_index): Make sure to not overflow one dimension of a multi-dimensional array access. 2007-02-04 Jan Hubicka * passes.c (init_optimization_passes): Reindent. 2007-02-04 Jan Hubicka Eric Botcazou * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to... (execute_fixup_cfg): Break out the abnormal goto code. * tree-inline.c (has_abnormal_outgoing_edge_p): ...here. (make_nonlocal_label_edges): Move here from execute_fixup_cfg. (optimize_inline_calls): Call make_nonlocal_label_edges. 2007-02-04 Jan Hubicka * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return true when something was changed. (rename_ssa_copies): When something was changed, do TODO_remove_unused_locals. * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value): add TODO_remove_unused_locals when instruction was removed. 2007-02-04 Jan Hubicka * ipa-inline.c (try_inline): Improve debug output; work on already inline edges too. (cgraph_decide_inlining_incrementally): Indent; improve debug output; call try_inline for already inlined edges too when flattening; inline also functions that make callee growth but overall unit size reduce. 2007-02-04 Kazu Hirata * config/m32c/bitops.md, config/m32c/jump.md, config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c, config/m32r/m32r.h, config/m32r/m32r.md, config/m32r/predicates.md, config/m68hc11/larith.asm, config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h, config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md, config/mips/mips-protos.h, config/mips/mips.c, config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S, config/mn10300/mn10300.h, config/mn10300/predicates.md, config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow spelling conventions. * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md: Follow spelling conventions. 2007-02-03 Douglas Gregor * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't warn about C++0x compatibility. 2007-02-04 Kazu Hirata * config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/h8300.md: Follow spelling conventions. 2007-02-03 Uros Bizjak PR middle-end/30667 * combine.c (try_combine): Do not substitute source operand with constants wider than 2 * HOST_BITS_PER_WIDE_INT. 2007-02-03 Jan Hubicka PR gcov-profile/30650 * value-prof.c (stringop_block_profile): Fix handling of size counter; do not divide by zero for never executed counters. (tree_find_values_to_profile): Fix counters. * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments. 2007-02-03 Ian Lance Taylor * lower-subreg.c (simple_move_operand): New static function, broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH operands. (simple_move): Call simple_move_operand. (find_decomposable_subregs): Add special handling of MEMs. (can_decompose_p): Rename from cannot_decompose_p. Reverse meaning of return value. If we see a hard register, test whether it can store a word_mode value. Change all callers. 2007-02-03 John David Anglin * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New ftrapv insns and expanders. (subdi3): Change define_expand operand 1 to arith11_operand, and operand 2 to reg_or_0_operand. Change constraints of 64-bit insn pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to handle 11-bit constants and reg_or_0 operands in operands 1 and 2, respectively. PR middle-end/30174 * varasm.c (notice_global_symbol): Treat global objects as weak when flag_shlib is true. 2007-02-03 Kaveh R. Ghazi * emit-rtl.c (dconstpi): Delete. (dconstsqrt2): New. (init_emit_once): Delete dconstpi and init dconstsqrt2. * real.h (dconstpi): Delete. (dconstsqrt2): New. * builtins.c (fold_builtin_cabs): Use dconstsqrt2. (fold_builtin_hypot): Likewise. 2007-02-03 Tom Tromey PR driver/30246 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3, -gcoff3, -gxcoff3, -gvms3 implies -dD. 2007-02-03 Kazu Hirata * c-decl.c, config/avr/avr.c, config/avr/avr.h, config/m68k/m68k.c, config/m68k/netbsd-elf.h, config/mn10300/mn10300.c, config/pdp11/pdp11.h, config/rs6000/cell.md, config/rs6000/darwin.h, config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c, config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h, jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c, tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment typos. Follow spelling conventions. * doc/invoke.texi: Follow spelling conventions. 2007-02-03 Roger Sayle * simplify-rtx.c (simplify_relational_operation_1): Implement some canonicalization transformations that attempt to simplify integer constant comparisons to become comparisons against zero. 2007-02-03 Kaveh R. Ghazi * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into fabs(x)*sqrt(2). * fold-const.c (fold_binary): Fix comment typos. Fold complex (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y). 2007-02-02 Mike Stump * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add. * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add. (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to generate a branch island. 2007-02-02 Bob Wilson * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P. (xtensa_legitimate_address_p): New. (xtensa_legitimize_address): New. (xtensa_output_addr_const_extra): New. * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define. (BASE_REG_P): New. (REG_OK_FOR_BASE_P): Use BASE_REG_P. (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p. (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address. (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra. * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New. (xtensa_legitimize_address): New. (xtensa_output_addr_const_extra): New. 2007-02-02 Steve Ellcey * config/ia64/ia64.c (ia64_print_operand): Fix compare strings. 2007-02-02 Ian Lance Taylor * expmed.c (expand_divmod): Add comment. 2007-02-02 Kazu Hirata * emit-rtl.c (renumber_insns): Remove. * flags.h: Remove the extern for flag_renumber_insns. * rtl.h: Remove the prototype for renumber_insns. * toplev.c (flag_renumber_insns): Remove. 2007-02-02 Hui-May Chang Revert for x86 darwin: 2005-06-19 Uros Bizjak * config/i386/i386.c (ix86_function_arg_regno_p): Put back the code before the following patch under TARGET_MACHO. (ix86_function_value_regno_p): Likewise. 2007-02-02 Kaveh R. Ghazi * fold-const.c (negate_expr_p, fold_negate_expr): Handle COMPLEX_EXPR. 2007-02-02 Maxim Kuvyrkov PR target/29682 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to general or fp registers. Add comments. * config/ia64/ia64.md (reg_pred_prefix): Add comment. 2007-02-02 Paolo Bonzini * pointer-set.c (insert_aux): Only return insertion slot. (pointer_set_insert): Adjust. (pointer_set_traverse, struct pointer_map_t, pointer_map_create, pointer_map_destroy, pointer_map_insert, pointer_map_contains, pointer_map_traverse): New. * pointer-set.h (pointer_set_traverse, struct pointer_map_t, pointer_map_create, pointer_map_destroy, pointer_map_insert, pointer_map_contains, pointer_map_traverse): Declare. 2007-02-02 Jakub Jelinek PR middle-end/30473 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++). 2007-02-02 Maxim Kuvyrkov * sched-int.h (ds_to_dk, dk_to_ds): Declare functions. (struct _dep): New type. (dep_t): New typedef. (DEP_PRO, DEP_CON, DEP_KIND): New access macros. (DEP_STATUS): New access macro. The macro with the same name was renamed to DEP_LINK_STATUS. (dep_init): Declare function (struct _dep_link): New type. (dep_link_t): New typedef. (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros. (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros. (DEP_LINK_STATUS): New macro. (debug_dep_links): New debug function. (struct _deps_list): New type. (deps_list_t): New typedef. (DEPS_LIST_FIRST): New access macro. (FOR_EACH_DEP_LINK): New cycle macro. (create_deps_list, free_deps_list, delete_deps_list): Declare functions. (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto. (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto. (copy_deps_list_change_con): Ditto. (move_dep_link): Declare function. (struct _dep_node): New type. (dep_node_t): New typedef. (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros. (struct haifa_insn_data.back_deps): New field to hold backward dependencies of the insn. (struct haifa_insn_data.depend): Rename to forw_deps. Change its type to deps_list_t. (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps. Change its type to deps_list_t. (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS. (INSN_DEPEND): Rename to INSN_FORW_DEPS. (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS. (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead. (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment. (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and all callers. (dep_cost): Declare. * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks. (ds_to_dk, dk_to_ds): New functions. (init_dep_1): New static function. (init_dep): New function. (copy_dep): New static function. (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static functions. (detach_dep_link): New static function. (move_dep_link): New function. (dep_links_consistent_p, dump_dep_links): New static functions. (debug_dep_links): New debugging function. (deps_obstack, dl_obstack, dn_obstack): New static variables. (alloc_deps_list, init_deps_list): New static functions. (create_deps_list): New function. (clear_deps_list): New static function. (free_deps_list, delete_deps_list, deps_list_empty_p): New functions. (deps_list_consistent_p, dump_deps_list): New static functions. (debug_deps_list): New function. (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New functions. (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto. (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to use new scheduler dependencies lists. (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto. (sched_analyze): Ditto. Initialize dependencies lists. (add_forw_dep, compute_forward_dependences): Update to use new scheduler dependencies lists. (init_dependency_caches): Init deps_obstack. (free_dependency_caches): Free deps_obstack. (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use new scheduler dependencies lists. (delete_forw_dep, add_or_update_back_forw_dep): Ditto. (add_back_forw_dep, delete_back_forw_dep): Ditto. * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree): Update to use new scheduler dependencies lists. (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto. (debug_dependencies): Ditto. (schedule_region): Update comments. * sched-ebb.c (earliest_block_with_similiar_load): Update to use new scheduler dependencies lists. (schedule_ebb): Update comments. * rtl.def (DEPS_LIST): Remove. * lists.c (unused_deps_list): Remove. (free_list): Update assertions. (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove. (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto. * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations. (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto. * haifa-sched.c (comments): Update. (insn_cost1): Remove. Inline the code into insn_cost (). (insn_cost): Update to use new scheduler dependencies lists. Move processing of the dependency cost to dep_cost (). (dep_cost): New function. Use it instead of insn_cost () when evaluating cost of the dependency. Use compatible interface to interact with the target. (priority): Update to use new scheduler dependencies lists. (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn with greater number of insns that depend on the insn. (schedule_insn): Update to use new scheduler dependencies lists. Add code to free backward dependencies lists. Inline and optimize code from resolve_dep () - see PR28071. (ok_for_early_queue_removal): Update to use new scheduler dependencies lists. Update call to targetm.sched.is_costly_dependence hook. (fix_inter_tick, try_ready, fix_tick_ready): Update to use new scheduler dependencies lists. (resolve_dep): Remove. Move the logic to schedule_insn (). (init_h_i_d): Initialize dependencies lists. (process_insn_depend_be_in_spec): Rename to process_insn_forw_deps_be_in_spec. Update to use new scheduler dependencies lists. (add_to_speculative_block, create_check_block_twin, fix_recovery_deps): Update to use new scheduler dependencies lists. (clear_priorities, calc_priorities, add_jump_dependencies): Ditto. * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use new scheduler dependencies lists. (build_intra_loop_deps): Ditto. * target.h (struct _dep): Declare to use in gcc_target.sched.is_costly_dependence. (struct gcc_target.sched.adjust_cost): Fix typo. (struct gcc_target.sched.is_costly_dependence): Change signature to use single dep_t parameter instead of an equivalent triad. (struct gcc_target.sched.adjust_cost_2): Remove. * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove. * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments. * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update documentation. (TARGET_SCHED_ADJUST_COST_2): Remove documentation. * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler. (REG_DEP_TRUE): Document. * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost. Change signature to correspond to the targetm.sched.adjust_cost hook. Update use in TARGET_SCHED_ADJUST_COST_2. (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST. (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use new scheduler dependencies lists. (ia64_gen_check): Ditto. * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler dependencies lists. * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change signature to correspond to the targetm.sched.is_costly_dependence hook. (is_costly_group): Update to use new scheduler dependencies lists. * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function instead of INSN_COST () macro. 2007-02-01 Ian Lance Taylor * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn. 2007-02-01 Guy Martin * pa.md (tp_load): Correct mfctl instruction syntax. 2007-02-01 Geoffrey Keating * config/rs6000/rs6000.c (rs6000_stack_info): Correct altivec_padding_size calculation on AIX. Improve comment, add assert to verify that it's right. * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for 64-bit. 2007-2-01 Seongbae Park PR inline-asm/28686 * global.c (global_alloc): Add mising initialization of ELIMINABLE_REGSET. 2007-02-01 Roger Sayle * alias.c (init_alias_analysis): Correct whitespace. * bb-reorder.c (fix_edges_for_rarely_executed_code, partition_hot_cold_basic_blocks): Likewise. * builtins.c (expand_builtin_printf, expand_builtin_fprintf, expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf, maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk, fold_builtin_snprintf_chk, fold_builtin_printf, fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise. * cfgcleanup.c (cleanup_cfg): Likewise. * cfgexpand.c (tree_expand_cfg): Likewise. * fold-const.c (fold_binary) : Likewise. * function.c (get_next_funcdef_no): Likewise. * gengtype.c (main): Likewise. * genmodes.c (main): Likewise. * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise. * haifa-sched.c (schedule_block, extend_h_i_d): Likewise. * ifcvt.c (noce_emit_move_insn): Likewise. * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order): Likewise. * stor-layout.c (get_best_mode): Likewise. * tree-ssa-loop-niter.c (get_val_for): Likewise. * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc, scc_visit, do_ds_constraint, do_complex_constraint, label_visit, perform_var_substitution, solve_graph): Likewise. * tree-vrp.c (vrp_finalize): Likewise. 2007-02-01 Ian Lance Taylor * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the high part of a paradoxical subreg, return a constant zero. 2007-02-01 Zdenek Dvorak * toplev.c (lang_dependent_init): Call init_set_costs. * loop-init.c (loop_optimizer_init): Do not call init_set_costs. 2007-02-01 Richard Guenther PR middle-end/30656 * fold-const.c (fold_negate_expr): Allow negating a constant if overflow does not change. 2007-02-01 Ralf Wildenhues * doc/c-tree.texi (Expression trees): Improve markup. * doc/tm.texi (Register Classes, Addressing Modes) (Floating Point): Fix spacing after abbreviations. Fix some typos. 2007-02-01 Ben Elliston * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout. * doc/contrib.texi: Likewise. * doc/install.texi: Likewise. 2007-01-31 Richard Henderson Ian Lance Taylor * lower-subreg.c: New file. * rtl.def (CONCATN): Define. * passes.c (init_optimization_passes): Add pass_lower_subreg and pass_lower_subreg2. * emit-rtl.c (update_reg_offset): New static function, broken out of gen_rtx_REG_offset. (gen_rtx_REG_offset): Call update_reg_offset. (gen_reg_rtx_offset): New function. * regclass.c: Revert patch of 2006-03-05, restoring reg_scan_update. (clear_reg_info_regno): New function. * dwarf2out.c (concatn_loc_descriptor): New static function. (loc_descriptor): Handle CONCATN. * common.opt (fsplit_wide_types): New option. * opts.c (decode_options): Set flag_split_wide_types when optimizing. * timevar.def (TV_LOWER_SUBREG): Define. * rtl.h (gen_reg_rtx_offset): Declare. (reg_scan_update): Declare. * regs.h (clear_reg_info_regno): Declare. * tree-pass.h (pass_lower_subreg): Declare. (pass_lower_subreg2): Declare. * doc/invoke.texi (Option Summary): List -fno-split-wide-types. (Optimize Options): Add -fsplit-wide-types to -O1 list. Document -fsplit-wide-types. * doc/rtl.texi (Regs and Memory): Document concat and concatn. * Makefile.in (OBJS-common): Add lower-subreg.o. (lower-subreg.o): New target. 2007-01-31 Kazu Hirata * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove. 2007-01-31 Anatoly Sokolov PR target/19087 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define. 2007-01-31 Kaveh R. Ghazi PR middle-end/29335 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args. 2007-01-31 Zdenek Dvorak * cfgloop.h: Include vec-prim.h. (enum li_flags): Remove LI_ONLY_OLD. (loop_iterator): Changed. (fel_next, fel_init): Iterate over loop tree. (FOR_EACH_LOOP_BREAK): New macro. * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to FOR_EACH_LOOP. * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto. * modulo-sched.c (sms_schedule): Ditto. * tree-vectorizer.c (vectorize_loops): Ditto. * doc/loop.texi: Update information on loop numbering and behavior of FOR_EACH_LOOP wrto new loops. * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop, add_to_evolution_1): Test nestedness of loops instead of comparing their numbers. * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly, chrec_evaluate, hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num, reset_evolution_in_loop): Ditto. * Makefile.in (CFGLOOP_H): Add vecprim.h dependency. 2007-01-31 Dirk Mueller * c-common.c (warn_about_parentheses): Separate warning about un-parenthized sequence of comparison operators from the one which is supposed to warn about x <= y <= z. 2007-01-31 Uros Bizjak * optabs.h (enum optab_index): Add new OTI_isinf. (isinf_optab): Define corresponding macro. * optabs.c (init_optabs): Initialize isinf_optab. * genopinit.c (optabs): Implement isinf_optab using isinf?f2 patterns. * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}. (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L} using isinf_optab. (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using expand_builtin_interclass_mathfn. * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM. * config/i386/i386.md (UNSPEC_FXAM): New constant. (fxam2_i387): New insn pattern. (isinf2) New expander to implement isinf, isinff and isinfl built-in functions as x87 inline asm. 2007-01-31 Kazu Hirata * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New. 2007-01-30 Eric Christopher * config.gcc: Add geode. 2007-01-31 Kazu Hirata * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c, ipa-inline.c, tree-profile.c, tree-ssa-live.c, tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c, value-prof.c: Fix comment typos. 2007-01-30 Manuel Lopez-Ibanez PR c++/24745 * doc/invoke.texi (Wpointer-arith): Document warning. 2007-01-30 Janis Johnson * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from the list of discrepancies from the draft TR. 2007-01-30 Dirk Mueller PR c++/30601 * doc/invoke.texi (-Wreturn-type): Update description to match new behavior. 2007-01-30 Richard Sandiford * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p. 2007-01-30 Uros Bizjak * builtins.c (expand_builtin_int_interclass_roundingfn): New function to handle optabs that operate on floating point input argument and output to integer output. (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ... (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here. (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using expand_builtin_interclass_mathfn (). * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387. (ilogbsi2): Remove. (ilogbxf2, ilogb2): New expanders to implement ilogb, ilogbf and ilogbl built-in functions as x87 intrinsics. 2007-01-30 Richard Guenther PR middle-end/27657 * dwarf2out.c (reference_to_unused): Query varpool if the variable was output. 2007-01-30 Richard Guenther PR middle-end/30313 * passes.c (execute_one_pass): Reset in_gimple_form to not confuse non-unit-at-a-time mode. 2007-01-29 Roger Sayle Richard Guenther * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to avoid undefined behaviour on overflow. Use force_fit_type_double to construct the constant with the specified TREE_OVERFLOW. 2007-01-29 Janis Johnson * config/dfp-bit.c: Add parameterized support for fp exceptions. * config/dfp-bit.h: Ditto. 2007-01-29 Manuel Lopez-Ibanez * c-decl.c (pop_scope): Replace warnings with call to warn_for_unused_label. * c-common.h (warn_for_unused_label): Declare. * c-common.c (warn_for_unused_label): Define. 2007-01-29 Manuel Lopez-Ibanez * tree-optimize.c (update_inlined_to_pointers): Delete unused function. 2007-01-29 Janis Johnson * Makefile.in (USER_H): Remove decfloat.h. * ginclude/decfloat.h: Delete, moving contents to ... * ginclude/float.h: Add support for decimal floating point, guarded by __STDC_WANT_DEC_FP__. 2007-01-29 Mike Stump * doc/gccint.texi (Top): Rename Loop Representation to Loop Analysis and Representation to resolve case insensitive conflict. * doc/loop.texi (Loop Analysis and Representation): Likewise. 2007-01-28 Daniel Berlin * tree.h (struct tree_memory_tag): Add aliases member. (MTAG_ALIASES): New macro. * tree-ssa-alias.c (alias_bitmap_obstack): New variable. (add_may_alias): Remove pointer-set. Update for may_aliases being a bitmap. (mark_aliases_call_clobbered): Update for may_aliases being a bitmap. (compute_tag_properties): Ditto. (create_partition_for): Ditto. (compute_memory_partitions): Ditto. (dump_may_aliases_for): Ditto. (is_aliased_with): Ditto. (add_may_alias_for_new_tag): Ditto. (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap. (compute_is_aliased): New function. (compute_may_aliases): Call compute_is_aliased). (init_alias_info): Initialize alias_bitmap_obstack. (union_alias_set_into): New function. (compute_flow_sensitive_aliasing): Use union_aliases_into. (have_common_aliases_p): Rewrite to take two bitmaps and use intersection. (compute_flow_insensitive_aliasing): Stop using pointer-sets. Update for bitmaps. (finalize_ref_all_pointers): Update for add_may_alias changes. (new_type_alias): Ditto. * tree-flow-inline.h (may_aliases): Return a bitmap. * tree-dfa.c (dump_variable): Check for MTAG_P'ness. * tree-ssa.c (verify_flow_insensitive_alias_info): Update for may_aliases being a bitmap. * tree-flow.h (struct var_ann_d): Remove may_aliases member. may_aliases now returns a bitmap. * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases being a bitmap. * tree-ssa-operands.c (add_virtual_operand): Update for may_aliases being a bitmap. 2007-01-29 Daniel Berlin PR tree-optimization/30630 * tree-ssa-structalias.c (do_complex_constraint): Mark correct variable as changed. 2007-01-29 Simon Martin PR c++/28266 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is expanded only once even if an error occurs. 2007-01-29 Ben Elliston * gcov-io.h (__gcov_indirect_call_profiler): Declare. (__gcov_average_profiler): Likewise. (__gcov_ior_profiler): Likewise. (__gcov_merge_ior): Likewise. 2007-01-28 Jan Hubicka * builtins.c (expand_builtin_memset): Fix typo in my last patch. * value-prof.c (stringop_block_profile): Likewise. 2007-01-28 Jan Hubicka * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add variant handling histograms; add wrapper. (clear_storage_via_libcall): Export. (emit_block_move_hints): Break out from ...; add histograms. (emit_block_move): ... this one. (clear_storage_hints): Break out from ...; add histograms. (clear_storage): ... this one. (set_storage_via_memset): Handle histogram. * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare. (clear_storage_hints, clear_storage_via_libcall): Declare. (set_storage_via_setmem): Update prototype. * doc/md.texi (movmem, setmem): Document new arguments. * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add new histograms. (stringop_block_profile): New global function. (tree_stringops_values_to_profile): Profile block size and alignment. * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and HIST_TYPE_IOR. (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler. (stringop_block_profile): Declare. * builtins.c: Include value-prof.h. (expand_builtin_memcpy, expand_builtin_memset): Pass block profile. * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter. (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants. (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update. * profile.c (instrument_values): Add new counters. * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to calls. * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New. (tree_init_edge_profiler): Build new profilers. (tree_gen_average_profiler, tree_gen_ior_profiler): New. (pass_tree_profile): Add dump. (tree_profile_hooks): Update. * Makefile.in (LIBGCOV): Add new constants. * libgcov.c (__gcov_merge_ior, __gcov_average_profiler, __gcov_ior_profiler): New. * i386.md (movmem/setmem expanders): Add new optional arguments. 2007-01-28 David Edelsohn * doc/md.texi (Standard Pattern Names): Document blockage pattern. 2007-01-28 Zdenek Dvorak * tree-ssa-loop-unswitch.c: Include tree-inline.h. (tree_unswitch_single_loop): Pass eni_size_weights to tree_num_loop_insns. * tree-ssa-loop-manip.c: Include tree-inline.h. (can_unroll_loop_p): Pass eni_size_weights to tree_num_loop_insns. * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Pass eni_size_weights to estimate_num_insns. * tree.h (init_inline_once): Export. * toplev.c (backend_init): Call init_inline_once. * cgraphunit.c (cgraph_process_new_functions, cgraph_analyze_function): Pass eni_inlining_weights to estimate_num_insns. * ipa-inline.c (compute_inline_parameters): Ditto. * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights to estimate_num_insns. (try_unroll_loop_completely): Pass eni_size_weights to tree_num_loop_insns. * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights ot estimate_num_insns. * tree-ssa-loop-prefetch.c: Include tree-inline.h. (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns. * tree-inline.c (eni_inlining_weights, eni_size_weights, eni_time_weights): New variables. (init_inline_once): Initialize them. (struct eni_data): Mew. (estimate_num_insns_1, estimate_num_insns): Use weights. * tree-inline.h (struct eni_weights_d): New. (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare. (estimate_num_insns): Declaration changed. * cfgloop.h (tree_num_loop_insns): Declaration changed. * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o, tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency. 2007-01-28 Zdenek Dvorak * tree-data-ref.c (conflict_fn): Assert that the number of affine relations in the conflict function is valid. 2007-01-27 Ian Lance Taylor * common.opt: Add fstrict-overflow. * opts.c (decode_options): Set flag_strict_overflow if -O2. * flags.h (TYPE_OVERFLOW_WRAPS): Define. (TYPE_OVERFLOW_UNDEFINED): Define. (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED. Replace all uses. * tree.h (TYPE_TRAP_SIGNED): Don't define. * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED. (fold_negate_expr): Likewise. (make_range): Likewise. (extract_muldiv_1): Likewise. (maybe_canonicalize_comparison): Likewise. (fold_comparison): Likewise. (fold_binary): Likewise. (tree_expr_nonnegative_p): Likewise. (tree_expr_nonzero_p): Likewise. * tree-vrp.c (compare_values): Likewise. (extract_range_from_binary_expr): Likewise. (extract_range_from_unary_expr): Likewise. * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness): Likewise. (nowrap_type_p): Likewise. * tree-scalar-evolution.c (simple_iv): Likewise. * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS. (build_range_check): Likewise. (extract_muldiv_1): Likewise. (fold_comparison): Likewise. * tree-vrp.c (vrp_int_const_binop): Likewise. (extract_range_from_unary_expr): Likewise. * convert.c (convert_to_integer): Likewise. * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS. (fold_comparison): Likewise. (fold_binary): Likewise. * optabs.c (optab_for_tree_code): Likewise. * tree-vectorizer.c (vect_is_simple_reduction): Likewise. * simplify-rtx.c (simplify_const_relational_operation): Check flag_strict_overflow and flag_trapv. (simplify_const_relational_operation): Likewise. * doc/invoke.texi (Option Summary): Mention -fstrict-overflow. (Optimize Options): Add -fstrict-overflow to -O2 list. Document -fstrict-overflow. 2007-01-27 Roger Sayle * tree.c (tree_fold_gcd): Delete. * tree.h (tree_fold_gcd): Remove prototype. * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to test whether one constant integer is a multiple of another. Instead call int_const_binop with TRUNC_MOD_EXPR and test for a zero result. * fold-const.c (multiple_of_p): We've determined both TOP and BOTTOM are integer constants so we can call int_const_binop directly instead of the more generic const_binop. 2007-01-27 Roger Sayle * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and 1*X check that the constant hasn't overflowed, to preserve the TREE_OVERFLOW bit. (round_up): Provide an efficient implementation when rouding-up an INTEGER_CST to a power-of-two. 2007-01-28 Ralf Wildenhues * doc/sourcebuild.texi: Add comma for clarity. * doc/extend.texi: Fix some typos. * doc/passes.texi: Likewise. * doc/cppinternals.texi: Likewise. * doc/c-tree.texi: Likewise. * doc/tree-ssa.texi: Likewise. * doc/install.texi: Likewise. 2007-01-27 Jan Hubicka * tree-sra.c (sra_walk_function): Don't rely on aliases being build. (pass_sra): Do not require alias information. * passes.c (init_optimization_passes): Add SRA 2007-01-27 Steven Bosscher * tracer.c (rest_of_handle_tracer): We already cleaned up the CFG in tracer() so don't do it here again. * cfgcleanup.c (rest_of_handle_jump2): Don't repeat cleanup_cfg here, either. And don't call renumber_insns. * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END and BB_HEAD are in the insn stream here. Instead make sure that BB_INSN is valid on all insns. Also, do check here that there are no pending branch predictions... (rtl_verify_flow_info): ...instead of doing it here. Checks for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to here. 2007-01-26 Roger Sayle * config/i386/i386.c (ix86_swap_binary_operands_p): New helper function to simplify/factorize operand order canonicalization. (ix86_fixup_binary_operands): Reorganize using the above function. (ix86_binary_operator_ok): Likewise. 2007-01-27 Jakub Jelinek * genattrtab.c (struct attr_value_list, insn_code_values): Move to file scope from optimize_attrs. (simplify_test_exp): If insn_code_values is not NULL, use it to speed up search. (optimize_attrs): Clear insn_code_values after freeing it. 2007-01-26 Zdenek Dvorak * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from a parts.base assignment. 2007-01-26 Zdenek Dvorak * tree-data-ref.c (dump_subscript): Use dump_conflict_function. (compute_subscript_distance, initialize_data_dependence_relation, finalize_ddr_dependent, analyze_ziv_subscript, analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_univar, compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine, analyze_siv_subscript, analyze_miv_subscript, analyze_overlapping_iterations, subscript_dependence_tester_1, compute_self_dependence, free_dependence_relation): Work with affine_fn instead of chrecs. (dump_affine_function, dump_conflict_function, affine_function_equal_p, common_affine_function, affine_function_base, affine_function_constant_p, affine_fn_op, affine_fn_plus, affine_fn_minus, affine_fn_free, conflict_fn_not_known, conflict_fn_no_dependence, free_conflict_function, free_subscripts, conflict_fn, affine_fn_cst, affine_fn_univar): New functions. (all_chrecs_equal_p): Removed. * tree-data-ref.h (affine_fn, conflict_function): New types. (struct subscript): Change type of conflicting_iterations_in_a and conflicting_iterations_in_b. 2007-01-26 Steve Ellcey PR other/30182 * config/pa/pa.h (TARGET_HPUX_11): New. * config/pa/pa-hpux11.h (TARGET_HPUX_11): New. * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11. 2007-01-26 Daniel Berlin Richard Guenther * tree-ssa-structalias.c (solve_graph): Handle case we merged the variable to another. 2007-01-25 Kaveh R. Ghazi * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even' functions. * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan, catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions. 2007-01-25 DJ Delorie * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't allow changes to modes which don't fit in those registers. * reload1.c (choose_reload_regs): Check for invalid subregs before computing their locations, not after. 2007-01-25 Geoffrey Keating PR 25127 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin, save Altivec registers in an eh_return function. (compute_vrsave_mask): Likewise. (rs6000_stack_info): Correct AIX/Darwin stack alignment computation for saving Altivec registers. (rs6000_emit_prologue): Don't allocate stack twice in eh_return function. Correct expected value of altivec_save_offset when using save_world. Describe save of R0 to stack when using save_world. Describe stack pointer adjustment when using save_world. Remove duplicated eh_return parameter register saving. Update sp_offset variable after save_world. * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove darwin-world.asm. (LIB2FUNCS_EXTRA): Add darwin-world.asm. * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64 implies Altivec. 2007-01-25 Steve Ellcey * config.gcc (ia64*-*-hpux*): Make posix threads the default. 2007-01-25 Steve Ellcey PR other/30182 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines. * config/ia64/ia64.c (ia64_init_builtins): Ditto. 2007-01-25 Richard Guenther * doc/invoke.texi (-Wcoverage-mismatch): Document. * common.opt (-Wcoverage-mismatch): New warning option. * coverage.c (get_coverage_counts): Ignore coverage mismatch if -Wcoverage-mismatch is given. 2007-01-25 Razya Ladelsky * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA. (ipcp_driver): Change to static definition. Add dumping of the ifunctions. (constant_val_insert): Remove unused parameter. Support for SSA. (ipcp_propagate_const): Support for SSA. (ipcp_profile_bb_print): Print only analyzed nodes. (ipcp_replace_map_create): Remove support for Fortran constant for now. * ipa-prop.c (ipa_method_modify_stmt, ipa_callsite_compute_param): Support for SSA. * ipa-prop.h (ipcp_driver): Remove declaration. (IS_VALID_TREE_MAP_INDEX): Add define. 2007-01-24 Geoffrey Keating * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap. 2007-01-24 Kaveh R. Ghazi PR middle-end/30447 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a constant argument to cabs and do it without checking for -funsafe-math-optimizations. 2007-01-24 Douglas Gregor * c-common.h (RID_FIRST_CXX0X): New. (RID_LAST_CXX0X): New. * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered by -Wall. * c.opt (Wc++0x-compat): New. * doc/invoke.texi (-Wc++0x-compat): Document. 2007-01-24 Kaveh R. Ghazi * builtins.c (fold_builtin_carg): New. (fold_builtin_1): Use it. 2007-01-24 Jan Hubicka * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns. * ipa-inline.c (initial_insns, max_insns): Delete. (compute_max_insns): New function. (cgraph_decide_inlining_of_small_function): Use it; take minimal amount of insns as base for code growth. (cgraph_decide_inlining): Make initial_insns local; do not compute max_insns. * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60. * doc/invoke.texi (inline-unit-growth): Update docs. 2007-01-24 Jakub Jelinek * config/i386/i386.h (x86_cmpxchg16b): Remove const. (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b. * config/i386/i386.c (x86_cmpxchg16b): Remove const. (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b for CPUs that have PTA_CX16 set. PR middle-end/27416 * gimplify.c (omp_check_private): New function. (gimplify_scan_omp_clauses): Use it for firstprivate/lastprivate/reduction. PR middle-end/30494 * gimplify.c (omp_add_variable): Don't call omp_notice_variable on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs. PR middle-end/30421 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument. If lower_lastprivate_clauses emits some statements, append them to dlist rather than body_p and to body_p append an initializer. (lower_omp_for): Adjust caller. 2007-01-24 Steve Ellcey * target.h (globalize_decl_name): New. * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New. * output.h (default_globalize_decl_name): New. * varasm.c (asm_output_bss): Use globalize_decl_name instead of globalize_label. (globalize_decl): Ditto. (default_globalize_decl_name): New. * config/ia64/ia64.c (ia64_globalize_decl_name): New. (ia64_handle_version_id_attribute): New. (TARGET_ASM_GLOBALIZE_DECL_NAME): New. (ia64_asm_output_external): Use globalize_decl_name instead of globalize_label. * doc/extend.texi (version_id): New pragma. * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook. 2007-01-24 Andreas Krebbel * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with _uleb128_t and _Unwind_SWord with _sleb128_t. * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program, uw_frame_state_for, uw_update_context_1): Likewise. * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise. * unwind-pe.h (read_uleb128, read_sleb128, read_encoded_value_with_base): Likewise. * unwind-generic.h: Define _sleb128_t and _uleb128_t types. 2007-01-24 Richard Guenther * builtins.c (expand_builtin_cexpi): Get the fndecl for cexp in the correct way. 2007-01-24 Jan Hubicka * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls. 2007-01-24 Andreas Krebbel * c-cppbuiltin.c (builtin_define_type_sizeof): New function. (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__, __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__, __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__, __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and __SIZEOF_PTRDIFF_T__. * doc/cpp.texi: Documentation for the new builtin macros added. 2007-01-24 Uros Bizjak * config/i386/i386.md (tanxf2, tan2, atan2, log2, log102, log22, expxf2, exp10xf2, exp2xf2): Use op2 instead of operands[2] to avoid access past the end of array. 2007-01-24 Richard Sandiford * reload1.c (emit_reload_insns): Pass the reload register for a non-spill output reload through forget_old_reloads_1. 2007-01-23 Joseph Myers * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define _SOFT_DOUBLE if doubles use software floating-point. * config/rs6000/libgcc-ppc-glibc.ver: Export additional long double functions if _SOFT_DOUBLE, not _SOFT_FLOAT. * config/rs6000/darwin-ldouble.c: Also compile functions for hard-float without FPRs. Use fmsub function for all __NO_FPRS__ cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT. * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove commented-out long double override. (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise. * config/rs6000/eabispe.h: Likewise. * config/rs6000/rs6000.c (rs6000_override_options): Don't override long double for non-SPE. (rs6000_handle_option): Likewise. (invalid_e500_subreg): Disallow more subregs involding DImode, DFmode, TImode or TFmode. (rs6000_legitimate_offset_address_p): Check TFmode offsets for E500 double. (legitimate_lo_sum_address_p): Also check for TFmode for E500 double. (rs6000_legitimize_address): Also handle TFmode for E500 double. (rs6000_legitimize_reload_address): Also handle TFmode for E500 double. (rs6000_legitimate_address): Also check for TFmode for E500 double. (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double. (spe_build_register_parallel): Handle TFmode and TCmode. (rs6000_spe_function_arg): Handle TFmode and TCmode for E500 double. (function_arg): Handle TFmode and TCmode for E500 double. (rs6000_init_libfuncs): Initialize extra libfuncs for soft double in general. (print_operand): Handle TFmode and TImode for %y. (rs6000_generate_compare): Handle TFmode comparisons for E500 double. (spe_func_has_64bit_regs_p): Check for TFmode for E500 double. (rs6000_function_value): Handle TFmode and TCmode for E500 double. (rs6000_libcall_value): Handle TFmode and TCmode for E500 double. * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for TFmode for E500 double. * config/rs6000/rs6000.md (FP): Allow TF for E500 double. (floatsidf2): Enable for E500 double. (movtf_softfloat): Use rs6000_nonimmediate_operand. (extenddftf2): Change to extenddftf2_fprs. (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs depending on TARGET_E500_DOUBLE. (extendsftf2): Enable for E500 double. (trunctfdf2): Enable for E500 double. (trunctfsf2): Change to trunctfsf2_fprs. (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs depending on TARGET_E500_DOUBLE. (floatsitf2): Enable for E500 double. (fix_trunctfsi2): Change to fix_trunctfsi2_fprs. (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE. (negtf2): Change to negtf2_internal. (negtf2): New expander. (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst, gen_spe_abstf2_cmp or gen_abstf2_internal depending on TARGET_E500_DOUBLE and flag_unsafe_math_optimizations. (movdi_internal32): Use rs6000_nonimmediate_operand. (unnamed splitter): Likewise. * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR, TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs. (SPE64TF, DITI): New mode macros. (frob_df_di): Change to frob__; allow more modes. (frob_tf_ti): New. (frob__di_2): New. (frob_tf_di_8_2): New. (frob_di_df): Change to frob_di_; allow more modes. (frob_ti_tf): New. (frob_di_df_2): Change to frob___2; allow more modes. (frob_ti__8_2): New. (frob_ti_tf_2): New. (mov_si_e500_subreg0, mov_si_e500_subreg0_2, mov_si_e500_subreg4, mov_si_e500_subreg4_2): Allow TFmode. (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2, mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New. (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2, spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal, spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New. (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gp): New. 2007-01-23 Ian Lance Taylor * Makefile.in (OBJS-common): Reformat, alphabetize, but put insn-*.o first. (OBJS-archive): Reformat, alphabetize. (OBJS): Change out_object_file to OBJS-md. 2007-01-23 Uros Bizjak * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, JUMP_P and CALL_P predicates where applicable. * config/i386/i386.c: Ditto. * config/i386/i386.md: Ditto. * config/i386/mmx.md: Ditto. * config/i386/predicates.md: Ditto. 2007-01-22 Andreas Schwab * config/m68k/m68k.h: Fix comment. 2007-01-22 Jan Hubicka * passes.c (init_optimization_passes): Do not rerun pass_early_warn_uninitialized. 2007-01-22 Richard Guenther PR tree-optimization/30038 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper function. (execute_cse_sincos_1): Likewise. (execute_cse_sincos): Likewise. (gate_cse_sincos): Likewise. (pass_cse_sincos): New pass CSEing sin() and cos() calls using the cexpi() canonicalization of sincos(). * tree-pass.h (pass_cse_sincos): Declare. * passes.c (init_optimization_passes): New pass pas_cse_sincos. 2007-01-21 Eric Botcazou PR rtl-optimization/29329 * combine.c (replaced_rhs_insn): Rename to i2mod. (replaced_rhs_value): Rename to i2mod_new_rhs. (i2mod_old_rhs): New global variable. (combine_instructions): Adjust for above change. Save a copy of the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL note are substituted in the second instruction. (distribute_notes) : Adjust for above change. Do not ditch the note if it pertains to the second eliminated register and this register is mentioned in i2mod_old_rhs. Revert: 2006-09-12 Eric Botcazou * combine.c (distribute_notes) : Do not consider SETs past the insn to which the note was originally attached. 2007-01-21 Jan Hubicka * ipa-inline.c (inlining_mode): Comment, move up. (cgraph_decide_inlining_incrementally): Do not perform inlining itself; fix handling of flattening of self recursive functions. (cgraph_find_cycles): Remove. (cgraph_flatten_node): Remove. (cgraph_decide_inlining): Use incremental inliner to handle flattening. (try_inline): New function. (cgraph_early_inlining): Update call of cgraph_decide_inlining_incrementally. Apply inlining here. (apply_inline): Update call of cgraph_decide_inlining_incrementally. 2007-01-21 Dirk Mueller PR bootstrap/30511 * tree-vrp.c (check_array_bounds): do not warn about ADDR_EXPR's of ARRAY_REF's which are immediately used in binary expressions. 2007-01-21 Ira Rosen * tree-vectorizer.h (struct _stmt_vec_info): Add new field read_write_dep and macros for its access. * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field. * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove argument, call vect_check_interleaving for every independent pair of data-refs. Mark loads that access the same memory location as a store in the loop. (vect_check_dependences): Remove. (vect_analyze_data_ref_dependences): Remove vect_check_dependences call, fix the call to vect_analyze_data_ref_dependence. (vect_analyze_data_ref_access): For statements that access the same data-ref, check that they are not stores; for loads, check that there is no store that access the same location. 2007-01-20 Roger Sayle Joseph Myers * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox. (-fdump-rtl-stack): Likewise. (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo. (-mcheck-zero-division, -mcpu): Fix under/overfull hbox. (-mpt-fixed): Use @minus{} for minus sign. (Using Precompiled Headers): Fix under/overfull hbox. 2007-01-20 Jan Hubicka * tree-flow.h (struct stmt_ann_d): Move references_memory to proper place within annotation. 2007-01-20 John David Anglin * pa.c (output_move_double): Change array size of xoperands to 4. 2007-01-20 Jan Hubicka * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL as temporary. 2007-01-19 Ian Lance Taylor * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast constant to unsigned HOST_WIDE_INT before negating. 2007-01-19 Ian Lance Taylor * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field to unsigned. (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison. (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise. (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise. (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise. (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise. (realloc_vdef, realloc_vuse): Change second parameter to unsigned. (ssa_operand_iterator_d): Change vuse_index and mayuse_index fields to unsigned. * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to unsigned. Change x and lim locals to unsigned. (realloc_vdef, realloc_vuse): Change num_elem parameter to unsigned. (finalize_ssa_vuse_ops): Change old_i local to unsigned. (copy_virtual_operands): Change i and n locals to unsigned. 2007-01-19 Kaveh R. Ghazi PR middle-end/29335 * builtins.c (fold_builtin_1): Handle builtin fdim. 2007-01-20 Jan Hubicka * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars. * tree-ssa-structalias.c (compute_points_to_sets): Do call init_alias_heapvars. (init_alias_heapvars): Initialize only when not already initialized. (delete_alias_heapvars): Set heapvar_for_stmt to NULL. 2007-01-19 Roger Sayle * common.opt (fsigned-zeros): New command line option. * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead of flag_unsafe_math_optimizations. * opts.c (set_fast_math_flags): The -ffast-math command line option implies -fno-signed-zeros. (fast_math_flags_set_p): Likewise. * doc/invoke.texi: Document new -fno-signed-zeros option, and update the documentation of -ffast-math appropriately. Wrap long lines. 2007-01-19 Steve Ellcey * system.h (ASM_MAKE_LABEL_LINKONCE): Poison. * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef. 2007-01-19 Tomas Bily * cgraphunit.c (cgraph_finalize_function): Updating of pid * tree-profile.c: (tree_init_ic_make_global_vars): New function (tree_init_edge_profiler): call of tree_init_ic_make_global_vars (tree_gen_ic_profiler): New function (tree_gen_ic_func_profiler): New function (tree_profiling): Added calling of tree_gen_ic_func_profiler (tree_profile_hooks): Added hook for indirec/virtual calls * value-prof.c (tree_find_values_to_profile): New case for indirect calls (tree_values_to_profile): Call for determining indirect/virtual counters (tree_indirect_call_to_profile): New function (tree_ic_transform): New function (tree_ic): New function (find_func_by_pid): New function (init_pid_map): New function (tree_value_profile_transformations): Added check for indirect/virtual call transformation * value-prof.h (enum hist_type): New counter type for indirect/virtual calls (profile_hooks): Added new hook for profiling indirect/virtual calls * profile.c (instrument_values): New case for indirect/virtual call added * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6 (GCOV_COUNTER_V_INDIR): New counter type (GCOV_COUNTER_NAMES): New name of counter "indirect" added (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual call added * cgraph.c: Definition of cgraph_max_pid (cgraph_create_node): Default init of pid attribute * cgraph.h: Declaration of cgraph_max_pid (struct cgraph_node): Added pid attribute * libgcov.c (__gcov_indirect_call_profiler): New function (__gcov_one_value_profiler_body): New function (__gcov_one_value_profiler): Body was moved to __gcov_one_value_profiler_body and calls it 2007-01-19 Basile Starynkevitch * doc/gty.texi (Options): Document the mark_hook option to GTY. * gengtype.c (write_types_data, write_func_for_structure, write_types, ggc_wtd, pch_wtd): Add skip_hooks to write_types_data, ggc_wtd, pch_wtd for processing mark_hook. (walk_type, write_func_for_structure): Generate the mark_hook if needed. 2007-01-19 Jan Hubicka * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of 'early' argument take inlining mode argument specifying whether to inline for size/speeed or all functions; add support for flattening; improve dumpting. (cgraph_early_inlining): Update call of decide_inlining_incrementally. 2007-01-19 Manuel Lopez-Ibanez PR c++/17947 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print the name of the declared identifier. 2007-01-19 Dirk Mueller * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid duplicate evaluation. 2007-01-19 Uros Bizjak * config/i386/i386.md (acos2): Rename from acossf2 and acosdf2. Macroize expander using X87MODEF12 mode macro. Extend operand 1 to XFMode, use acosxf2 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. (asin2): Similarly, with asin expanders. (*fscalexf4_i387): Rename from *fscalexf4. (expNcorexf3): New expander. (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander. (exp2): Rename from expsf2 and expdf2. Macroize expander using X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. (exp102): Similarly, with exp10 expanders. (exp22): Similarly, with exp2 expanders. (expm12): Similarly, with expm1 expanders. (ldexp3): Similarly, with ldexp expanders. (log2, log102, log22, log1p2, logb2): Use gen_truncxf2_i387_noop to truncate result. 2007-01-19 Richard Sandiford * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32 for ColdFire targets. 2007-01-19 Nathan Sidwell Richard Sandiford * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro. (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM. (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME. * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override. (M68K_STATIC_CHAIN_REG_NAME): Likewise. * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise. 2007-01-19 Richard Sandiford * config/m68k/m68k.md (adddi_dilshr32): Rename to... (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out non-canonical pattern. Restrict to !TARGET_COLDFIRE. (*adddi_dilshr32_cf): New pattern. (adddi3, subdi3): Remove first alternatives. 2007-01-19 Richard Sandiford * config/m68k/m68k.c (notice_update_cc): If an SFmode move is implemented using move.l, do not use its cc result for floating-point comparisons. 2007-01-19 Richard Sandiford * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint from accepting 's' constraints if flag_pic. 2007-01-19 Richard Sandiford * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt) (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev) (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change condition from TARGET_68881 to TARGET_HARD_FLOAT. 2007-01-19 Sandra Loosemore * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add ColdFire alternatives. * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro. * config/m68k/m68k.md (clzsi2): Define for ColdFire architectures that support ff1 instruction. 2007-01-19 Richard Sandiford Julian Brown * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case. * config/m68k/m68k.md (*movsi_cfv4): Fold into... (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'. Add commentary. 2007-01-19 Richard Sandiford * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT and return a bool. (output_move_const_into_data_reg, output_move_simode_const): Delete. * config/m68k/m68k.c (const_method, const_int_cost): Take a HOST_WIDE_INT instead of an rtx. (m68k_rtx_costs): Update call accordingly. (output_move_const_into_data_reg): Likewise. Fix formatting. (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx. Return a bool. (output_move_simode_const): Update calls after above changes. Rework to use automatic variables and predicates like MEM_P. * config/m68k/m68k.md (pushexthisi_const): Update call to valid_mov3q_const. 2007-01-19 Dirk Mueller * tree-ssa-alias.c (perform_var_substitution): Fix typo in dump_flags test. 2007-01-19 Richard Guenther * builtins.c (expand_builtin_cexpi): Fall back to expanding via cexp in case sincos is not available. 2007-01-19 Richard Guenther * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro. * defaults.h (TARGET_HAS_SINCOS): Default to off. * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc. * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise. * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise. * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise. * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise. * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise. 2007-01-19 Uros Bizjak * config/i386/i386.md (*fpatanxf3_i387, fpatan_extendxf3_i387): New insn patterns. (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns. (atan2xf3): Directly generate RTL pattern. (atan23): Rename from atan2sf3 and atan2df3 and macroize insn patterns using X87MODEF12 mode macro. Use fpatan_extendxf3_i387 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. (atan2): Rename from atansf2 and atandf2 and macroize insn patterns using X87MODEF12 mode macro. Use fpatan_extendxf3_i387 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. 2007-01-19 Alexandre Oliva * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0. 2007-01-18 Roger Sayle * fold-const.c (fold_unary) : Optimize away a VIEW_CONVERT_EXPR to the same type as it's operand. 2007-01-18 David Edelsohn * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if configured for long double 128. 2007-01-18 Mike Stump * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build error. 2007-01-18 Michael Meissner * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code type correct. 2007-01-18 Jan Hubicka * tree-ssa-operands.c (vop_free_bucket_size): Never return value greater than NUM_VOP_FREE_BUCKETS. 2007-01-18 Daniel Berlin * tree-ssa-structalias.c: Update comments. (ptabitmap_obstack): Removed. (pta_obstack): New. (oldpta_obstack): Ditto. (stats): Add a few members. (struct variable_info): Remove node, complex, address_taken, and indirect_target members. Add oldsolution member. (new_var_info): Do not initialize removed members. (constraint_expr_type): Remove INCLUDES. (constraint_graph): Add size, implicit_preds, rep, indirect_cycles, eq_rep, label, direct_nodes, and complex members. (FIRST_REF_NODE): New macro. (LAST_REF_NODE): Ditto. (FIRST_ADDR_NODE): Ditto. (find): New function. (unite): Ditto. (dump_constraint): Do not handle INCLUDES. (insert_into_complex): Do not insert duplicate constraints. (condense_varmap_nodes): Renamed and rewritten into ... (merge_node_constraints): This. Also fix bug in handling of offseted copy constraints. (clear_edges_for_node): No longer need to deal with preds at all, or removing associated preds/succs. (merge_graph_nodes): Deal with indirect_cycles. Don't deal with predecessors. (add_implicit_graph_edge): New function. (add_pred_graph_edge): Ditto. (add_graph_edge): Don't deal with predecessors. (build_constraint_graph): Removed. (build_pred_graph): New function. (build_succ_graph): Ditto. (struct scc_info): Removed in_component. Added roots, dfs, and node_mapping. Remove visited_index, unification_queue. (scc_visit): Deal with union-find we do now. Deal with cycles with REF nodes. (collapse_nodes): Renamed and rewritten to ... (unify_nodes): This. (process_unification_queue): Removed. (topo_visit): Cleanup (do_da_constraint): Use find. (do_sd_constraint): Ditto. (do_ds_constraint): Ditto. (do_complex_constraint): Ditto. (init_scc_info): Update for removed and added members. (find_and_collapse_graph_cycles): Renamed and rewritten into ... (find_indirect_cycles): This. (equivalence_class): New variable. (label_visit): New function. (perform_variable_substitution): Rewritten. (free_var_substitution_info): New function. (find_equivalent_node): Ditto. (move_complex_constraints): Ditto. (eliminate_indirect_cycles): Ditto. (solve_graph): Only propagate changed bits. Use indirect cycle elimination. Use find. (tree_id_t): Rename to tree_vi_t, delete id member, add vi member. (tree_id_eq): Renamed to ... (tree_vi_eq): This. Update for member change (insert_id_for_tree): Renamed and rewritten to ... (insert_vi_for_tree): This. (lookup_id_for_tree): Renamed and rewritten to ... (lookup_vi_for_tree): This. (get_id_for_tree): Renamed and rewritten to ... (get_vi_for_tree): Ditto. (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree. (process_constraint): Don't handle INCLUDES. Remove special ADDRESSOF case. (find_func_aliases): Rewrite to use vi functions instead of id ones. (create_function_info_for): Ditto. (create_variable_info_for): Ditto. (intra_create_variable_infos): Ditto. (merge_smts_into): Ditto. (find_what_p_points_to): Ditto. (init_base_vars): Ditto. (init_alias_vars): Ditto. (remove_preds_and_fake_succs): New function. (dump_sa_points_to_info): Dump new stats. (dump_solution_for_var): Use find. (set_used_smts): Fix formatting. (compute_points_to_sets): Updated for new functions. (ipa_pta_execute): Ditto. 2007-01-18 Kazu Hirata Richard Sandiford * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of parallels. * calls.c (expand_call): If the return value is a PARALLEL, extract its first member. * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove. * config/m68k/m68k.c (m68k_output_function_epilogue): Don't use FUNCTION_EXTRA_EPILOGUE. (m68k_function_value): Return a PARALLEL if the return value is of a pointer type. * config/m68k/netbsd-elf.h (current_function_returns_pointer) (FUNCTION_EXTRA_EPILOGUE): Remove. * config/m68k/m68k.md (D0_REG): New constant. 2007-01-18 Kazu Hirata * config/m68k/m68k.c (m68k_output_function_epilogue): Don't output a NOP for empty epilogues. 2007-01-18 Richard Sandiford * config/m68k/m68k.c (m68k_use_return_insn): Update comments before function. Extend register save check to include all registers, not just integer ones. 2007-01-18 Kazu Hirata * config/m68k/m68k-protos.h (use_return_insn): Rename to... (m68k_use_return_insn): ...this. * config/m68k/m68k.h (USE_RETURN_INSN): Delete. * config/m68k/m68k.c (use_return_insn): Rename to... (m68k_use_return_insn): ...this. * config/m68k/m68k.md (return): Use m68k_use_return_insn instead of USE_RETURN_INSN. 2007-01-18 Nathan Sidwell * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to nearest even, fix denormal rounding overflow. 2007-01-18 Richard Sandiford * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of f%$smove and f%$move. (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1. (extendsfdf2_cf): Use fdmove instead of f%&move. (truncdfsf2_cf): Use fsmove instead of f%$smove. (add3_cf, sub3_cf): Use instead of . 2007-01-18 Richard Sandiford * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for GPR<-GPR moves. 2007-01-18 Richard Sandiford * real.h (real_format): Add a canonical_nan_lsbs_set field. (coldfire_single_format): Declare. (coldfire_double_format): Likewise. * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead of qnan_msb_set to determine the lower bits of a canonical NaN significand. (encode_ieee_double): Likewise. (encode_ieee_quad): Likewise. (ieee_single_format): Initialize canonical_nan_lsbs_set. (mips_single_format): Likewise. (ieee_double_format): Likewise. (mips_double_format): Likewise. (ieee_extended_motorola_format): Likewise. (ieee_extended_intel_96_format): Likewise. (ieee_extended_intel_128_format): Likewise. (ieee_extended_intel_96_round_53_format): Likewise. (ibm_extended_format): Likewise. (mips_extended_format): Likewise. (ieee_quad_format): Likewise. (mips_quad_format): Likewise. (vax_f_format): Likewise. (vax_d_format): Likewise. (vax_g_format): Likewise. (i370_single_format): Likewise. (i370_double_format): Likewise. (decimal_single_format): Likewise. (decimal_double_format): Likewise. (decimal_quad_format): Likewise. (c4x_single_format): Likewise. (c4x_extended_format): Likewise. (real_internal_format): Likewise. (coldfire_single_format): New real_format. (coldfire_double_format): Likewise. * config/pdp11/pdp11.c (pdp11_f_format): Initialize canonical_nan_lsbs_set. (pdp11_d_format): Likewise. * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE if TARGET_COLDFIRE_CPU. 2007-01-18 Richard Sandiford * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete. (output_call, m68k_legitimize_call_address): Declare. * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary parenthesees. Add support for a 'W' constraint. (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling. (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'. (m68k_symbolic_call, m68k_symbolic_jump): Declare. * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New variables. (override_options): Initialize them. Do not set flag_no_function_cse for TARGET_ID_SHARED_LIBRARY. (m68k_output_pic_call): Delete. (m68k_legitimize_call_address): New function. (print_operand): Remove the %o prefix. Handle the %p prefix. (output_call): New function. (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the target address from the GOT if symbolic jumps are not allowed. * config/m68k/m68k.md (call, general_operand): Do not set SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead. Merge separate flag_pic and !flag_pic define_insns into... (*call, *call_value): ...these new patterns. Match the address rather than the containing MEM and require it to be a call_operand. Use output_call to generate the asm template. * config/m68k/predicates.md (const_call_operand): New predicate. (call_operand): Likewise. 2007-01-18 Nathan Sidwell * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition. (STACK_GROWS_DOWNWARD): Define to 1. (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate comments, emphasizing that these values are only defaults. * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef. * config/m68k/m68k.c (const_method): Remove trailing whitespace. 2007-01-18 Richard Sandiford * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling. 2007-01-18 Kazu Hirata Richard Sandiford * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P) (FP_REGNO_P): New macros. (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P) (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them. (EH_RETURN_STACKADJ_RTX): Use A0_REG. * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros. 2007-01-18 Nathan Sidwell * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*) (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib to $tmake_file. * config/m68k/t-floatlib: New file, extracting common code from... * config/m68k/t-m68kbare, config/m68k/t-m68kelf, * config/m68k/t-uclinux: Here. * config/m68k/fpgnulib.c: Do not compile extendeed precision routines on ColdFire targets. 2007-01-18 Nathan Sidwell * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*) (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*) (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*) (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and explicitly set MOTOROLA to 1. * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly. 2007-01-18 Richard Sandiford Nathan Sidwell * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete. (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases. * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete. * config/m68k/m68020-elf.h (LIB_SPEC): Delete. * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete. * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD) (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete. (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine. (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete. * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine. * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE) (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete. (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here. (DBX_REGISTER_NUMBER): Delete. * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete. (PCC_STATIC_STRUCT_RETURN): Don't undefine. * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define. 2007-01-18 Richard Sandiford * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file. * config/flat.h: New file. * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if OBJECT_FORMAT_FLAT. * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use indirect references for -msep-data or -mid-shared-library. Do not use PC-relative code addresses either. * config/m68k/m68k.c (override_options): Restrict -fPIC error to -mpcrel. * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o for shared libraries and crt1.o for executables. Use crti.o and crtbegin.o. (ENDFILE_SPEC): Use crtend.o and crtn.o. (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given. Do not add -elf2flt or -shared-lib-id options here. (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given. Pass -shared-lib-id if -mid-shared-library, taking the library identifier from -mshared-library-id if given, otherwise defaulting to 0. (EH_FRAME_IN_DATA_SECTION): Do not undefine. (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise. (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library. (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data. * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o and crtend.o. * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative jump sequence for ISA A and ISA A+. (PICJUMP): Likewise. 2007-01-18 Richard Sandiford * config.gcc (m68k-*-uclinux*): Base the port on the common and m68k GNU/Linux files rather than on the generic ELF ones. * config/m68k/uclinux.h (TARGET_VERSION): Override. (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS. 2007-01-18 Julian Brown Richard Sandiford * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise. * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine before redefining. * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to 80 unconditionally. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise. 2007-01-18 Richard Sandiford * doc/install.texi: Document m68k-uclinuxoldabi. * config.gcc (m68k-*-uclinuxoldabi): New configuration. * config/m68k/uclinux-oldabi.h: New file, copied from config/m68k/uclinux.h. 2007-01-18 Kaz Kojima * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it. * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem. (m32r_compute_frame_size): Use unsigned for regno. (m32r_reload_lr): Use gen_frame_mem. (pop): New. (m32r_output_function_epilogue): Don't output the function epilogue textually here. (m32r_expand_epilogue): New. (direct_return): Return false if the function has the interrupt attribute. (m32r_hard_regno_rename_ok): Remove code for the textual epilogue. * config/m32r/m32r.md (epilogue): New expander. (return_lr, return_rte): New insns. (return): Make it expander. (return_normal): New expander. 2007-01-18 Josh Conner PR target/30485 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add support for UNLE, UNLT, UNGE, and UNGT. 2007-01-18 Jan Hubicka * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand. * tree-tailcall (add_virtual_phis): Likewise. (optimize_tail_call): Return TODOs. (execute_tail_calls): Return TODOs. * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO. * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something changed. * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value): Cleanup cfg using TODO. * tree-flow.h (cleanup_tree_cfg_loop): Update prototype. * passes.c (execute_function_todo): When cleanup did something, remove unused locals. * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO. (make_edges): Don't cleanup_cfg. 2007-01-18 Uros Bizjak * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS, UNSPEC_XTRACT_FRACT]: Use generic code for instructions that operate on the top of stack. [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite register handling of instructions that output to the second stack slot. [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove. (move_for_stack_reg): Special-case check for dead destination stack slot for constant load of 1.0 inside UNSPEC_TAN. * config/i386/i386.md (UNSPEC_TAN): New constant. (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove. (fptanxf4_i387, fptan_extendxf4_i387): New patterns to correctly model move of constant 1.0 to top stack slot. (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns. (unnamed peephole2 pattern): Remove corresponding peephole2 pattern that optimizes tan insn and loading of constant 1.0. (tanxf2): Use fptanxf4_i387. (tan2): Rename from tansf2 and tandf2 and macroize insn patterns using X87MODEF12 mode macro. Use fptan_extendxf4_i387 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. (sincos3): Use truncxf2_i387_noop for truncation. (fyl2x_extendxf3_i387): Use X87MODEF12 for operand 1. 2007-01-18 Dirk Mueller Richard Guenther PR diagnostic/8268 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds. * common.opt (Warray-bounds): Add new warning option. * c-opts.c (c_common_handle_option): Define -Warray-bounds if -Wall is given. * Makefile.in: make tree-vrp.o depend on toplev.h * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds is enabled. (check_array_refs, check_array_bounds, check_array_ref): New. 2007-01-18 Jan Hubicka * tree-ssa-ccp.c (ccp_finalize): Return if something changed. (execute_ssa_ccp): Return flags conditionally. * tree-ssa-propagate.c (substitue_and_fold): Return if something was changed. * tree-ssa-propagate.h (substitute_and_fold): Update prototype. 2007-01-18 Steven Bosscher * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set the CLEANUP_CFGLAYOUT flag when in cfglayout mode. * Makefile.c (GTFILES): Add cfglayout.h. * gengtype.c (open_base_files): Likewise. * cfglayout.c (cfg_layout_function_footer, cfg_layout_function_header) Reindent to make gengtype happy. * cfglayout.h (cfg_layout_function_footer, cfg_layout_function_header): Add GTY(()) marker. * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null. 2007-01-18 Ben Elliston * genautomata.c (write_automata): Include xstrerror output in the error message if writing the DFA description file fails. 2007-01-17 H.J. Lu * config/mips/mips-protos.h (mips_output_external): Make it return void. * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed. * config/mips/mips.c (irix_output_external_libcall): Likewise. (extern_list): Likewise. (extern_head): Likewise. (TARGET_ASM_FILE_END): Likewise. (mips_file_end): Likewise. (mips_output_external): Rewritten. 2007-01-18 Ben Elliston * genpreds.c (write_insn_preds_c): Only write out the function body for regclass_for_constraint if we have register constraints. 2007-01-17 Tom Tromey * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org. * doc/install.texi (Testing): Use sourceware.org. (Binaries): Likewise. (Specific): Likewise. * doc/contrib.texi (Contributors): Use sourceware.org. 2007-01-17 Anatoly Sokolov * config/avr/avr.h (AVR_HAVE_LPMX): New macro. (AVR_ENHANCED): Rename to ... (AVR_HAVE_MUL): ... new. (avr_enhanced_p): Rename to ... (avr_have_mul_p): ... new. (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__". * config/avr/avr.c (avr_enhanced_p): Rename to ... (avr_have_mul_p): ... new. (base_arch_s): Rename 'enhanced' to 'have_mul'. (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of 'avr_enhanced_p' and 'enhanced'. (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use AVR_HAVE_MUL instead of AVR_ENHANCED. * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED. (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL instead of AVR_ENHANCED. (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED. * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__. (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__. 2007-01-17 Ian Lance Taylor * vec.h (VEC_reserve_exact): Define. (vec_gc_p_reserve_exact): Declare. (vec_gc_o_reserve_exact): Declare. (vec_heap_p_reserve_exact): Declare. (vec_heap_o_reserve_exact): Declare. (VEC_OP (T,A,reserve_exact)): New static inline function, three versions. (VEC_OP (T,A,reserve)) [all versions]: Remove handling of negative parameter. (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact. (VEC_OP (T,A,copy)) [all versions]: Likewise. (VEC_OP (T,a,safe_grow)) [all versions]: Likewise. * vec.c (calculate_allocation): Add exact parameter. Change all callers. (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve. (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1. (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions. (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve. (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1. (vec_heap_p_reserve_exact): New function. (vec_heap_o_reserve_exact): New function. 2007-01-17 Jan Hubicka * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p. 2007-01-17 Eric Christopher * config.gcc: Support core2 processor. 2007-01-16 Jan Hubicka * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing the names, just unlink the chain so we don't crash on dangling pointers to dead SSA names. 2007-01-16 Jan Hubicka * cgraph.h (cgraph_decide_inlining_incrementally): Kill. * tree-pass.h: Reorder to make IPA passes appear toegher. (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare. * cgraphunit.c (cgraph_finalize_function): Do not compute inling parameters, do not call early inliner. * ipa-inline.c: Update comments. Include tree-flow.h (cgraph_decide_inlining): Do not compute inlining parameters. (cgraph_decide_inlining_incrementally): Return TODOs; assume to be called with function context set up. (pass_ipa_inline): Remove unreachable functions before pass. (cgraph_early_inlining): Simplify assuming to be called from the PM as local pass. (pass_early_inline): New pass. (cgraph_gate_ipa_early_inlining): New gate. (pass_ipa_early_inline): Turn into simple wrapper. (compute_inline_parameters): New function. (gate_inline_passes): New gate. (pass_inline_parameters): New pass. (apply_inline): Move here from tree-optimize.c (pass_apply_inline): New pass. * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after transforming. * tree-inline.c (optimize_inline_calls): Return TODOs rather than doing them by hand. (tree_function_versioning): Do not allocate dummy struct function. * tree-inline.h (optimize_inline_calls): Update prototype. * tree-optimize.c (execute_fixup_cfg): Export. (pass_fixup_cfg): Remove (tree_rest_of_compilation): Do not apply inlines. * tree-flow.h (execute_fixup_cfg): Declare. * Makefile.in (gt-passes.c): New. * passes.c: Include gt-passes.h (init_optimization_passes): New passes. (nnodes, order): New static vars. (do_per_function_toporder): New function. (execute_one_pass): Dump current pass here. (execute_ipa_pass_list): Don't dump current pass here. 2007-01-16 Janis Johnson * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN. (DFP_NE, DFP_LE, DFP_GE): Return false for NaN. 2007-01-16 David Edelsohn * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT. (strong_alias): Define. (__gcc_qmul): Provide non-FMA for soft-float. (__gcc_qdiv): Same. (__gcc_qneg): New. (__gcc_qeq): New. (__gcc_qle): New. (__gcc_qge): New. (__gcc_qunord): New. (__gcc_stoq): New. (__gcc_dtoq): New. (__gcc_qtos): New. (__gcc_qtod): New. (__gcc_qtoi): New. (__gcc_qtou): New. (__gcc_itoq): New. (__gcc_utoq): New. (fmsub): New. * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize soft-float functions. * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols. * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn about long double soft float. 2007-01-16 Dorit Nuzman Tehila Meyzels * tree-vectorizer.h (is_pattern_stmt_p): New. * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix formatting (tabs instead of spaces). Cleanup and clarify setting of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p. * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo. (vectorizable_type_demotion): Check that types are integral. (vectorizable_type_promotion): Likewise. (vectorizable_store): Fix typo. Eliminate new-line at end of comments. 2007-01-16 Jan Hubicka * tree-ssanames.c (release_dead_ssa_names): Remove invalidated cgraph edges too. 2007-01-15 Eric Christopher * ifcvt.c: Include vec.h, vecprim.h. (check_cond_move_block): New argument regs. Reorganize. Add registers used to regs. (cond_move_process_if_block): Use regs set above as loop bounds. 2007-01-15 Eric Christopher * config/darwin.h: Update copyright. (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella. (LINK_COMMAND_SPEC): Add -u. (LINK_SPEC): Fix umbrella for above. 2007-01-15 Joseph S. Myers * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from glibc CVS. 2007-01-15 Tom Tromey * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks. * doc/install.texi (Testing): Don't mention jacks. (Configuration): Document --enable-java-maintainer-mode. Move --with-java-home to libgcj-specific section. Document --with-ecj-jar. (Prerequisites): Mention --enable-java-maintainer-mode, ecj1. 2007-01-15 Jan Hubicka * tree-ssa-dce.c (DCE_TODOs): New. (propagate_necessity): Return if something changed. (eliminate_unnecessary_stmts): Likewise. (perform_tree_ssa_dce): Return TODO flags when needed. (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags. 2007-01-15 Uros Bizjak * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3. (fyl2x_extendxf3_i387): New insn pattern. (log2): Rename from logsf2 and logdf2 and macroize insn patterns using X87MODEF12 mode macro. Extend operand 1 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. (log102): Ditto. (log22): Ditto. (log1p2): Ditto. (logb2): Ditto. (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3. (fyl2xp1_extendxf3_i387): New insn pattern. (*fxtractxf3_i387): Rename from *fxtractxf3. (fxtract_extendxf3_i387): New insn pattern. (ilogbsi2): Use match_dup 3, not match_operand:XF 3. * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387() and gen_fyl2xxf3_i387(). 2007-01-14 Zdenek Dvorak * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement. * cfgloopmanip.c (fix_loop_placement): Made static. Use get_loop_exit_edges. Changed return type to bool. * cfgloop.h (fix_loop_placement): Declaration removed. 2007-01-14 Dorit Nuzman * param.h (MIN_VECT_LOOP_BOUND): New. * params.def (MIN_VECT_LOOP_BOUND): New. * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another argument - minimum threshold for number of iterations. * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another argument to declaration. * tree-vect-analyze.c (vect_analyze_operations): Check value of MIN_VECT_LOOP_BOUND. * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call slpeel_tree_peel_loop_to_edge with additional argument. (vect_do_peeling_for_alignment): Likewise. * doc/invoke.texi (min-vect-loop-bound): Document new param option. 2007-01-14 Uros Bizjak PR target/30413 * config/i386/i386.c (print_operand) ['z']: Output 'b' for operands of size 1. 2007-01-14 Jan Hubicka * tree-dfa.c (remove_referenced_var): New function. * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and prune referenced vars list too. * tree-flow.h (remove_referenced_var): Declare. 2007-01-14 Jan Hubicka * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs separately. (remove_stmt_from_eh_region_fn): Do not remove call_exprs. (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill. * except.h (verify_eh_throw_table_statements): Kill prototype. * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions into call exrepssions. * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call eh trhow verifier. * tree-cfg.c: Include pointer-set.h. (verify_node_sharing): Work on pointer set. (verify_eh_throw_stmt_node): New. (verify_stmts): Use pointers sets, verify throw_stmt. 2007-01-13 Zdenek Dvorak * ipa-reference.c (analyze_function): Consider also addresses taken in phi nodes. 2007-01-12 Roger Sayle * c-typeck.c (null_pointer_constant_p): Replace use of TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW. (build_c_cast): Likewise. 2007-01-12 Roger Sayle * tree.h (force_fit_type_double): Remove unused final argument. * c-common.c (constant_expression_warning): Replace use of TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW. (convert_and_check): Likewise. (shorten_compare): Update call to force_fit_type_double. (c_common_truthvalue_conversion) : Use integer_zerop. * convert.c (convert_to_pointer): Update call to force_fit_type_double. * fold-const.c (force_fit_type_double): Remove overflowed_const argument. (int_const_binop, fold_convert_const_int_from_int, fold_convert_const_int_from_real, fold_div_compare, fold_sign_changed_comparison, fold_unary, fold_negate_const, fold_abs_const, fold_not_const): Remove the final argument from calls to force_fit_type_double. 2007-01-12 Andrew Pinski * configure.ac: Set insn to "nop" for spu-*-* also. * configure: Regenerate. 2007-01-12 Olga Golovanevsky * builtins.def : Add BUILT_IN_FREE. 2007-01-12 Jan Hubicka PR tree-optimization/30443 * tree-inline.c (tree_function_versioning): Do not optimize when cloning for inlining. 2007-01-12 Zdenek Dvorak * doc/loop.texi: Document recording of loop exits. * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop. (update_single_exits_after_duplication, update_single_exit_for_duplicated_loop, update_single_exit_for_duplicated_loops): Removed. (duplicate_loop_to_header_edge): Do not call update_single_exits_after_duplication and update_single_exit_for_duplicated_loops. (loop_version): Do not update single_exit information. (fix_loop_structure): Use record_loop_exits instead of mark_single_exit_loops. * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update the lists of loop exits. * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force, split_edge, merge_blocks): Update the lists of loop exits. * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init. * loop-init.c (loop_optimizer_init): Call record_loop_exits instead of mark_single_exit_loops. (loop_optimizer_finalize): Call release_recorded_exits. * tree-ssa-loop.c (tree_loop_optimizer_init): Pass LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init. * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not update single exit information. * lambda-code.c (perfect_nestify): Ditto. * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop. (mark_single_exit_loops): Removed. (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free, get_exit_descriptions, rescan_loop_exit, record_loop_exits, dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New functions. (get_loop_exit_edges, single_exit): Use recorded exit lists. (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits. (verify_loop_structure): Verify consistency of the exit lists. (flow_loops_find): Use alloc_loop. Initialize exits hash. (set_single_exit): Removed. * cfgloop.h (struct loop_exit): New function. (struct loop): single_exit_ field replaced by exits field. (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS. (struct loops): Added exits hash. (mark_single_exit_loops, set_single_exit): Declaration removed. (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare. 2007-01-12 Richard Sandiford * doc/invoke.texi: Avoid use of @headitem. 2007-01-12 Richard Sandiford * cse.c (cse_insn): Move HAVE_CC0 code after declarations. 2007-01-12 Richard Sandiford * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the list of targets. 2007-01-12 Nathan Sidwell Richard Sandiford * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short. * config/m68k/m68k.opt: Resort options. (mbitfield, mrtd, mshort): Remove RejectNegative properties. 2007-01-12 Nathan Sidwell Richard Sandiford * doc/invoke.texi: Document the macros that are defined by m68k's -mtune and -mhard-float options. * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare. (m68k_cpp_cpu_family): Likewise. * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set of __ucfv*__ macros. Define __mcffpu__ if generating code for ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros. * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function. (m68k_cpp_cpu_family): Likewise. 2007-01-12 Richard Sandiford * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68* macros besides mc68000 as tuning macros. Use a switch statement to set them and mcpu32. 2007-01-12 Julian Brown * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY. (TARGET_68040_ONLY): Rename to... (TARGET_68040): ...this. * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY. * config/m68k/m68k.md: Likewise. 2007-01-12 Julian Brown Nathan Sidwell Richard Sandiford * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to the -mcpu= argument associated with the --with-cpu setting. Define M68K_DEFAULT_TUNE to the default -mtune= option, if different from the one implied by the -mcpu setting. Accept --with-cpu=FOO if FOO is listed in m68k-devices.def, using mcpu=FOO as the default CPU option. Set target_cpu_default2. * doc/invoke.texi: Mention ColdFire in the introduction to the m68k options. Document the new -march, -mcpu, -mtune, -mdiv, -mno-div and -mhard-float options. Make -m68881 a synonym for -mhard-float. Document the previously-undocumented -m5206e, -m528x, -m5307 and -m5407 options. Tweak the existing option documentation for consistency. * doc/install.texi: Mention new --with-cpu arguments. * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the default CPU if neither -mcpu nor -march are specified. (ASM_CPU_SPEC): Pass down -mcpu and -march options. (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way, using m68k_tune to decide between families that implement the same ISA. Use m68k_tune to set __mcfv4e__. (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC) (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000) (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B) (FL_ISA_C, FL_ISA_MMU): New macros. (MASK_COLDFIRE): Delete. (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE) (TARGET_ISAB): Redefine in terms of m68k_cpu_flags. (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu. (TARGET_HARD_FLOAT): Do not define here. (TARGET_ISAAPLUS, TARGET_ISAC): New macros. (TUNE_68000): New macro. (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010. (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32) (TUNE_CFV2): Redefine in terms of m68k_tune. (uarch_type, target_device, fpu_type): New enums. (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare. * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881. (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40) (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b) (FL_FOR_isa_c): New macros. (m68k_isa): New enum. (m68k_target_selection): New structure. (all_devices, all_isas, all_microarchs): New tables. (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu) (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables. (MASK_ALL_CPU_BITS): Delete. (m68k_find_selection): New function. (m68k_handle_option): Handle -mcpu=, -march= and -mtune=. Map the legacy target options to a combination of the new ones. (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT settings. * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e) (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask properties. (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT. (march=, mcpu=, mdiv, mhard-float, mtune=): New options. * config/m68k/m68k-devices.def: New file. 2007-01-12 Richard Sandiford Nathan Sidwell * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS) (SUBTARGET_EXTRA_SPECS): New macros. * config/m68k/linux.h (ASM_SPEC): Remove CPU flags; use %(asm_cpu_spec) instead. * config/m68k/m68k-none.h (ASM_SPEC): Likewise. * config/m68k/openbsd.h (ASM_SPEC): Likewise. * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise. (EXTRA_SPECS): Rename to... (SUBTARGET_EXTRA_SPECS): ...this. 2007-01-12 Nathan Sidwell Richard Sandiford Julian Brown * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*) (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu to the configuration's default CPU. (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise. Remove default masks. (m680[012]0-*-*): Set the default with_cpu to the first part of the target name. (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu. (m68k*-*-linux): Extend the --with-cpu handling to... (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000 and m68010. Don't set target_cpu_default2. * doc/install.texi: Document --with-cpu for m68k. * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define. * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k) (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030) (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT) (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete. (ASM_SPEC): Remove use of %(asm_cpu_default). (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete. * config/m68k/linux.h (TARGET_DEFAULT): Delete. (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here. * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define __HAVE_FPU__ if TARGET_HARD_FLOAT. (TARGET_DEFAULT): Delete. (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec, cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec. (CPP_CPU_SPEC): Delete. (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick the appropriate string. (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete. (CPP_SPEC): Define to NETBSD_CPP_SPEC. (ASM_SPEC): Don't use %(asm_default_spec). * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove TARGET_DEFAULT and add MASK_68881. * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments. 2007-01-12 Richard Sandiford * config.gcc (m68010-*-netbsdelf*): Add MASK_68010. (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add MASK_68010 alongside MASK_68020. * doc/invoke.texi: Document -m68010. * config/m68k/m68k.opt (m68010): New. * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010 if TUNE_68010. (TUNE_68010): New macro. * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010) (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040) (M68K_CPU_m68332): Add MASK_68010. * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to fallback definition. * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant defines. * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010. (m68k_handle_option): Handle OPT_m68010. Add MASK_68010 to all entries that use MASK_68020. (output_move_simode_const, output_move_himode, output_move_qimode) (output_move_stricthi, output_move_strictqi): Use TARGET_68010 instead of TARGET_68020 to select clr behavior. Remove comment about there being no TARGET_68010. * config/m68k/m68k.md: Likewise throughout. 2007-01-12 Julian Brown * config/m68k/m68k.h (TARGET_ISAB): New macro. * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4. * config/m68k/m68k.md: Likewise. 2007-01-12 Julian Brown * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use TARGET_COLDFIRE_FPU instead of TARGET_CFV4E. 2007-01-12 Julian Brown * config/m68k/m68k.h (TUNE_68040_60): New macro. * config/m68k/m68k.c (standard_68881_constant_p): Use it. * config/m68k/m68k.md: Likewise. 2007-01-12 Julian Brown Richard Sandiford * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040, TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of TARGET_CPU32. (TARGET_CPU32): Rename to... (TUNE_CPU32): ...this. (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060) (TUNE_CFV2): New macros. * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify; remove conditions that are implied by TARGET_68020. * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32. (m68k_output_function_epilogue): Likewise. (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and non-68000 timings. Refactor multiplication and division costs. (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32. (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040 and TUNE_68060 instead of TARGET_68060. * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040, TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of TARGET_CPU32. (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020 && !TARGET_COLDFIRE" to choose between moveq and clr. Likewise in the unnamed movsf pattern. (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed ashiftrt pattern. 2007-01-12 Richard Sandiford * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount of tabbing before backslashes. 2007-01-11 John David Anglin * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine. * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS. (ASM_OUTPUT_INTERNAL_LABEL): Define. 2007-01-11 Zdenek Dvorak * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from find_interesting_uses_cond. (find_interesting_uses_cond): Use extract_cond_operands. (rewrite_use_compare): Use extract_cond_operands and force_gimple_operand_bsi. Do not call update_stmt. (determine_use_iv_cost_condition): Use extract_cond_operands. Return cheaper of using original bound and changing the exit bound. 2007-01-11 Zdenek Dvorak PR tree-optimization/29516 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts, most_expensive_mult_to_index, addr_to_parts, create_mem_ref, maybe_fold_tmr): Make the type of fields of TARGET_MEM_REF sizetype. (move_fixed_address_to_symbol, move_pointer_to_base): New functions. * tree.def (TARGET_MEM_REF): Add comment on types of the operands. 2007-01-11 Joseph Myers * c-common.c (vector_types_convertible_p): Treat opaque types as always convertible if they have the same size, but not otherwise. 2007-01-11 Steven Bosscher * ifcvt.c (struct noce_if_info): Add comments to the fields. Remove the b_unconditional field. (noce_try_sign_mask): Do not look at b_unconditional. (noce_process_if_block): Do not use merge_if_blocks. Update the CFG here. Do not set b_unconditional. (cond_move_process_if_block): Likewise. (find_cond_trap): Likewise. (check_cond_move_block): Require simple jump insns at the end of the basic block. 2007-01-11 Jan Hubicka PR tree-optimization/1046 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE when alias info is not ready. (pass_tail_recursion): Do not require aliasing. * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise. * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise. * tree-ssa-copy.c (pass_copy_prop): Likewise. * tree-ssa-forwprop.c (pass_forwprop): Likewise. * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise. * passes.c (init_optimization_passes): Execute rename_ssa_copies, ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion before inlining. * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand): When aliasing is not build, mark statement as volatile. 2007-01-11 Tom Tromey PR preprocessor/15185, PR preprocessor/20989: * doc/cppopts.texi <-MT>: Update description of algorithm for computing default target. <-M, -MD>: Reword "basename" text. 2007-01-11 Roger Sayle * builtins.c (expand_builtin_pow, expand_builtin_powi, fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil, fold_builtin_round, fold_builtin_int_int_roundingfn, fold_builtin_bitop, fold_builtin_bswap, real_constp, fold_builtin_pow, fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign, do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW. * convert.c (convert_to_pointer): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise. * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop, const_binop, fold_convert_const_int_from_int, fold_convert_const_int_from_real, fold_convert_const_real_from_real, sign_bit_p, optimize_minmax_comparison, extract_muldiv_1, fold_div_compare, fold_sign_changed_comparison, fold_unary, fold_comparison, fold_binary, multiple_of_p, tree_Expr_non_zero_p, fold_negate_const, fold_abs_const, fold_not_const): Likewise. * print-tree.c (print_node_brief, print_node): Likewise. * stor-layout.c (place_field, layout_type): Likewise. * tree-chrec.c (keep_cast): Likewise. * tree.c (build_vector, build_real, build_real_from_int_cst, build_complex): Likewise. 2007-01-11 Roger Sayle * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being, treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW. 2007-01-11 Paolo Bonzini * configure.ac (strict1_warn): Rename to strict_warn. (WERROR, --enable-werror, symlink hacks, stage1_cflags, cc_set_by_configure, quoted_cc_set_by_configure, stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure, all_boot_languages, all_stagestuff): Remove. (target_list): Remove bootstrap targets. * Makefile.in (quickstrap): Unconditionally make a synonym of all. (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING, REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS, SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF, VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS, STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build, stage1_copy, stage2_build, stage2_copy, stageprofile_build, stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build, stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap, bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3, bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2, unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2, restage3, restage4, restageprofile, restagefeedback, bubbleestrap, cleanstrap, unstrap, restrap, *compare, *compare3, *compare4, *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1, stage2-start, stage2, stage3-start, stage3, stage4-start, stage4, stageprofile-start, stageprofile, stagefeedback-start, stagefeedback, risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove. (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS. (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES. (mostlyclean): Adjust. (clean, distclean): Don't mention bootstrap stuff. * configure: Regenerate. * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in, java/config-lang.in, objc/config-lang.in, objcp/config-lang.in, treelang/config-lang.in (stagestuff): Remove. * doc/sourcebuild.texi (stage1, stage2, stage3, stage4, stageprofile, stagefeedback, stagestuff): Remove mention. 2007-01-11 Nick Clifton * config/mcore/predicates.md (mcore_general_movesrc_operand): Accept CONSTs. (mcore_general_movdst_operand): Do not accept CONST_INTs. (mcore_arith_K_S_operand): Run the test for the S constraint not the test for the M constraint. (mcore_addsub_operand): Do not accept integer values that are larger than 32 bits. * config/mcore/mcore.md: Remove unused constraints from split. (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL. (addsi3): Likewise. (allocate_stack): Likewise. * config/mcore/mcore.c (mcore_print_operand): Restrict output of P operands to 32 bits. (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an INTVAL. (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore, mcore_const_ok_for_inline, mcore_const_trick_uses_not, try_constant_tricks, mcore_num_ones, mcore_num_zeros, mcore_output_bclri, mcore_output_andn, output_inline_const, mcore_output_move, mcore_output_movedouble): Likewise. (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N. (output_inline_const): Likewise. (output_inline_const): Fix format strings used in sprintf statements. * config/mcore/mcore-protos.h: Update prototypes for changed functions in mcore.c. * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to HOST_WIDE_INT and not int. (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise. (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P. (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold an INTVAL. 2007-01-10 Jan Hubicka * tree-vrp.c (remove_range_assertions): Release defs. * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise. * tree-ssa-dom.c (remove_stmt_or_phi): Likewise. 2007-01-10 Paul Brook * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract. * config/arm/arm.md (mulsi3subsi): New insn. 2007-01-10 Zdenek Dvorak * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ... (tree_transform_and_unroll_loop): New. * tree-flow.h (transform_callback, tree_transform_and_unroll_loop): Declare. 2007-01-10 Robert Kennedy * fold-const.c (fold_comparison): Fold comparisons like (x * 1000 < 0) to (x < 0). 2007-01-10 Ian Lance Taylor * tree-pretty-print.c (dump_generic_node): Print parentheses when operands have the same priority. 2007-01-10 Tom Tromey * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p. (fold_binary): Likewise. * langhooks.c (lhd_can_use_bit_fields_p): Removed. * langhooks-def.h (lhd_can_use_bit_fields_p): Removed. (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed. (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P. * langhooks.h (struct lang_hooks): Removed field 'can_use_bit_fields_p'. 2007-01-10 Ralf Corsépius * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS. 2007-01-10 Razya Ladelsky * function.c (get_last_funcdef_no): New function. * function.h (get_last_funcdef_no): Declare. * tree-inline.c (initialize_cfun): Add initialization. (tree_function_versioning): Cleanup. 2007-01-10 Jan Hubicka * tree-inline.c (setup_one_parameter): Do not propagate into abnormal PHIs. 2007-01-10 Sa Liu Ben Elliston * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode for SAVE_NONLOCAL and Pmode for any other save level. * spu-protos.h (spu_restore_stack_block): Declare. * spu.md (save_stack_block): Remove. (restore_stack_block): Call spu_restore_stack_block. * spu.c (spu_restore_stack_block): New function. (spu_expand_epilogue): Remove old comment. 2007-01-09 Zdenek Dvorak PR tree-optimization/30322 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed. (cand_value_at): Return the value as aff_tree. (may_eliminate_iv): Convert the bound from aff_tree to tree. * tree-affine.c (aff_combination_add_cst, aff_combination_add_product, aff_combination_mult): New functions. (aff_combination_add): Use aff_combination_add_cst. (aff_combination_convert): Allow conversions to a wider type. (tree_to_aff_combination): Handle BIT_NOT_EXPR. * tree-affine.h (aff_combination_mult): Declare. 2007-01-09 Carlos O'Donell * doc/tm.texi: Update documentation to reflect reality of exec and start file search behaviours. Update copyright year. * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find header file directories. 2007-01-09 Uros Bizjak * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387. (*cosxf2): Rename to cosxf2_i387. (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns using X87MODEF12 mode macro. Rename patterns to *sin_extendxf2_i387. Use SSE_FLOAT_MODE_P to disable patterns for SSE math. (*cosdf2, *cossf2): Ditto. (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters to match extended input operands. (sincos3): New expander. (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove insn patterns and corresponding splitters. 2007-01-09 Kaz Kojima * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete. (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise. 2007-01-09 Nicolas Pitre PR target/30173 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero. 2007-01-08 Geoffrey Keating * target.h (struct gcc_target): New field library_rtti_comdat. * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New. (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT. * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT. * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define. 2007-01-08 Geoffrey Keating * doc/invoke.texi (Optimize Options): Correct description of -O0. 2007-01-08 Richard Guenther * tree.h (force_fit_type_double): Export. (force_fit_type): Remove. * fold-const.c (force_fit_type_double): New function. (force_fit_type): Remove. (int_const_binop): Use it. (fold_convert_const_int_from_int): Likewise. (fold_convert_const_int_from_real): Likewise. (fold_div_compare): Likewise. (fold_sign_changed_comparison): Likewise. (fold_unary): Likewise. (fold_negate_const): Likewise. (fold_abs_const): Likewise. (fold_not_const): Likewise. * c-common.c (shorten_compare): Use force_fit_type_double. * convert.c (convert_to_pointer): Likewise. 2007-01-08 Richard Guenther * tree.h (build_int_cst_wide_type): Export. * tree.c (build_int_cst_wide_type): New function. (build_int_cst_wide): Fix comment. * builtins.c (fold_builtin_object_size): Use build_int_cst to build -1 or 0 of the correct type. Use fit_double_type to check for overflow. * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type to build the mask. (decode_field_reference): Likewise. (all_ones_mask_p): Likewise. (native_interpret_int): Use build_int_cst_wide_type. (fold_binary): Use build_int_cst_type to build an all-ones value. * stor-layout.c (set_sizetype): Use build_int_cst_wide_type. 2007-01-08 Daniel Jacobowitz * config/pa/t-pa64 (libgcc_stub.a): Use $(T). 2007-01-09 Ben Elliston * genautomata.c (STATS_OPTION): New option. (stats_flag): New flag. (gen_automata_option): Handle it. (initiate_automaton_gen): Ditto. (write_automata): Output statistics only if stats_flag is set. Likewise, output time statistics only if time_flag is set. * doc/md.texi (Processor pipeline description): Document new flag. 2007-01-08 Richard Guenther * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type. * tree.c (build_int_cst_type): Likewise. (size_in_bytes): Don't call force_fit_type on the result. (int_fits_type_p): Use fit_double_type. * fold-const.c (fit_double_type): New function. (force_fit_type): Use it. * tree.h (fit_double_type): Export. 2007-01-08 Jan Hubicka * tree-vectorizer.c (gate_increase_alignment): Fix return type. * ipa.c (function_and_variable_visibility): Fix return type. 2007-01-08 Richard Guenther * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type of offset to build the index. * tree-pretty-print.c (dump_generic_node): Don't build negated const just for printing. * c-pretty-print.c (pp_c_integer_constant): Likewise. * builtins.c (fold_builtin_int_roundingfn): Check if result fits the type by using force_fit_type and comparing the result. * predict.c (predict_loops): Use compare_tree_int for comparison. * tree.c (build_int_cst): Fall back to integer_type_node for NULL_TREE type. (build_int_cst_wide): Assert type is non-null. 2007-01-08 Roberto Costa * tree-vrp.c (extract_range_from_cond_expr): New. (extract_range_from_expr): Handle COND_EXPR nodes used as expressions. * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used as expressions. (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs. * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond, tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes used as expressions. * tree-object-size.c (cond_expr_object_size): New. (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions. 2007-01-08 Jan Hubicka * tree-ssa-forwprop.c (forward_propagate_into_cond, tree_ssa_forward_propagate_single_use_va): Release defs of propagated statement. 2007-01-08 Richard Guenther PR tree-optimization/23603 * tree-vrp.c (set_value_range_to_truthvalue): New function. (extract_range_from_binary): Fall back to truthvalue instead of varying for TRUTH_*_EXPR. (extract_range_from_comparison): Fall back to truthvalue instead of varying. (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF if all visited PHI values were constant. 2007-01-08 Jan Hubicka * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag. (cgraph_analyze_function): break out from ... (cgraph_finalize_compilation_unit): ... here. (cgraph_expand_function): Remove forgoten commented out line. (cgraph_optimize): Analyze functions. 2007-01-08 Jan Hubicka * tree-pas.h (TODO_remove_function): New flag. (TODO_update*): Renumber. (pass_ipa_increase_alignment, pass_ipa_function_and_variable_visibility): New passes. * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c (cgraph_function_and_variable_visibility): Move to ipa.c (cgraph_optimize): Don't call cgraph_function_and_variable_visibility, cgraph_increase_alignment. * ipa-inline.c (cgraph_decide_inlining): Don't push timevar. (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before calling tree-inline. (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes. (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c (gate_increase_alignment): New function. (pass_ipa_increase_alignment): New pass. * ipa.c: Inline tree-pass.h and timevar.h (function_and_variable_visibility): Move here from cgraphunit.c * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions. * passes.c (init_optimization_passes): Add the two new passes. (execute_todo): Handle cgraph_remove_functions. 2007-01-08 Nick Clifton * config/frv/predicates.md (reg_or_0_operand): Accept CONST_DOUBLEs. 2007-01-08 Ralf Corsépius * config/bfin/rtems.h, config/bfin/t-rtems: New. * config.gcc: Add bfin*-rtems*. 2007-01-08 Mark Shinwell * c.opt: Add -flax-vector-conversions. * c-typeck.c (convert_for_assignment): Pass flag to vector_types_convertible_p to allow emission of note. (digest_init): Likewise. * c-opts.c: Handle -flax-vector-conversions. * c-common.c (flag_lax_vector_conversions): New. (vector_types_convertible_p): Unless -flax-vector conversions has been passed, disallow conversions between vectors with differing numbers of subparts and/or element types. If such a conversion is disallowed, possibly emit a note on the first occasion only to inform the user of -flax-vector-conversions. The new last argument specifies this. * c-common.h (flag_lax_vector_conversions): New. (vector_types_convertible_p): Add extra argument. * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use char_type_node for V*QI type vectors. * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Update to satisfy new typechecking rules. * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both C and C++ variants. * doc/invoke.texi (C Dialect Options): Document -flax-vector-conversions. 2007-01-08 Mark Shinwell PR tree-optimization/29877 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with a register variable on the RHS to not be replaceable. 2007-01-08 Chen Liqin * config/score/t-score-elf (MULTILIB_OPTIONS): Change. * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12, const_simm15, const_pow2, const_npow2): Added. * config/score/misc.md (insv, extv, extzv, movmemsi, move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug. * config/score/score.c (score_address_cost, score_select_cc_mode): Added. Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define. Update score_rtx_costs for MACRO TARGET_RTX_COSTS. Update score_print_operand. * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added. Adjust register allocate order and update some macro define. * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store, mdx_block_move_straight, mdx_block_move_loop_head, mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop, mdx_block_move): Added. (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi, mdp_limm): Updated and fix some bug and typo. * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated. (movsf, movdf, doloop_end): Added. 2007-01-08 Kazu Hirata * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md, config/arm/thumb2.md: Fix comment typos. * doc/extend.texi: Fix a typo. 2007-01-07 Eric Christopher * configure.ac: Check for __stack_chk_fail for darwin. * configure: Regenerate. 2007-01-07 Richard Guenther * tree-vrp.c (extract_range_from_assert): CSE calls to compare_values where possible. (extract_range_from_unary_expr): Likewise. 2007-01-07 Anatoly Sokolov * config/avr/avr-protos.h (call_insn_operand): Delete prototype. * config/avr/avr.c (call_insn_operand): Delete function. * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP instead of register number. Use predicates. * config/avr/predicates.md (const0_operand, reg_or_0_operand, call_insn_operand): Add. 2007-01-06 Jan Hubicka * tree-pass.h (pass_build_cgraph_edges): Declare. * cgraphunit.c (record_refernece): Move to cgraphbuild.c (visited_nodes): Remove. (cgraph_create_edges): Move to cgraphbuild.c; rename to build_cgrpah_edges; make visited_nodes local. (cgraph_process_new_functions): DO not call initialize_inline_failed. (record_references_in_initializer): Move to cgraphbuild.c (initialize_inline_failed, rebuild_cgraph_edges, pass_rebuild_cgraph_edges): Move to cgraphbuild.c. (verify_cgraph_node): Make visited_nodes local. (cgraph_analyze_function): Do not call cgraph_create_edges and initialize_inline_failed. (cgraph_expand_function): Do not call cgraph_lower_function; assert that function is already lowered. * Makefile.in (cgraphbuild.o): New. * passes.c (init_optimization_passes): Add pass_build_cgraph_edges at the end of lowering passes. 2007-01-06 Steven Bosscher * ifcvt.c (cond_move_convert_if_block): New function, code factored out from... (cond_move_process_if_block): ...here. Call the new function on the THEN and ELSE blocks. (merge_if_block): Do not copy global_live_at_end, merge_blocks already takes care of this. 2007-01-05 Manuel Lopez-Ibanez PR c/19978 * tree.h (TREE_OVERFLOW_P): New. * c-typeck.c (parser_build_unary_op): Warn only if result overflowed and operands did not. (parser_build_binary_op): Likewise. (convert_for_assignment): Remove redundant overflow_warning. * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW. 2007-01-05 Manuel Lopez-Ibanez * c-typeck.c (store_init_value): Split over two lines to follow the GNU coding style. 2007-01-05 Benjamin Kosnik * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to __GXX_EXPERIMENTAL_CXX0X__. * doc/cpp.texi: Same. 2007-01-05 Richard Guenther PR middle-end/27826 * tree.c (get_narrower): Do not construct COMPONENT_REFs with mismatched types. Instead explicitly build a conversion NOP_EXPR. 2007-01-05 Ian Lance Taylor * c-common.c (decl_with_nonnull_addr_p): New function. (c_common_truthvalue_conversion): Call it. * c-typeck.c (build_binary_op): Likewise. * c-common.h (decl_with_nonnull_addr_p): Declare. 2007-01-05 Jakub Jelinek PR c/30360 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of denom against 0.0. 2007-01-05 Joel Brobecker * doc/install.texi (Final install): Document the fact that the GNAT runtime should not be stripped. 2007-01-04 Jan Hubicka * tree-inline.c (fold_marked_statements): Update operand caches and EH after folding 2007-01-04 Ian Lance Taylor * c-common.c (check_function_nonnull): Whitespace fix. 2007-01-04 Jan Hubicka * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely comitted older version of patch. (pass_fixup_cfg): Add TODOs to verify flow and statements, dump function, celanup cfg and collect garbage. 2007-01-04 Mike Stump * Makefile.in (mostlyclean): Don't remove libgcc anymore. (clean): Likewise. 2007-01-04 Eric Christopher * libgcc2.c (__bswapsi2): Use SItype. (__bswapdi2): Use DItype. * libgcc2.h: Update for above. 2007-01-04 Paul Brook * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0, mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0, mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3, umulsidi3, umulsidi3adddi, smulsi3_highpart, umulsi3_highpart): Make conditional on !arm_arch6. (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6, mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6, mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6, umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6, umulsi3_highpart_v6): New insns. 2007-01-04 Roger Sayle * fold-const.c (fold_convert): When casting an expression to void, fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't have a type. Instead of attempting to build a NOP_EXPR, return these "special" trees directly. 2007-01-04 Joseph Myers * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for MULT inside MINUS as either argument. Use rs6000_cost->dmul - rs6000_cost->fp not 0 as adjustment for outer NEG. 2007-01-04 Jan Hubicka * cgraph.c (cgraph_release_function_body): New function. (cgraph_remove_node): Use it. * cgraph.h (cgraph_release_function_body): Declare. * cgraphunit.c (cgraph_expand_function): Use it. * ipa.c (cgraph_remove_unreahchable_nodes): Use it. * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing is initialized and while compilation of other function is running. * tree-optimize.c (execute_free_cfg_annotations): Move code to clear statement CFG annotations from here to ... * tree-cfg.c (delete_tree_cfg_annotations): ... here. 2007-01-04 Zdenek Dvorak * cfgloop.h (enum li_flags): Make the constants powers of two. 2007-01-04 Jan Hubicka * tree-inline.c (copy_bb): Insert new statements to statements_to_fold set. (fold_marked_statements): New function. (optimize_inline_calls, tree_function_versioning): Fold new statements. * tree-inline.h (copy_body_data): Add statements_to_fold. 2007-01-03 Daniel Jacobowitz * config.gcc: Mention libgcc/config.host. * Makefile.in: Update comments mentioning libgcc. (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete. (all.cross, start.encap, rest.encap, rest.cross): Update dependencies for libgcc move. (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib) (clean-target, clean-target-libgcc): Delete. (srcdirify, GCC_EXTRA_PARTS): New macros. (libgcc-support, libgcc.mvars): New rules. (distclean): Remove mention of mklibgcc. (install): Don't reference INSTALL_LIBGCC. (install-common): Don't reference EXTRA_PARTS. (install-libgcc, install-multilib): Delete rules. * mklibgcc.in: Delete file. * doc/configfiles.texi: Don't mention mklibgcc. * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc). * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise. * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise. * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES) (mklibgcc, ldblspecs): Likewise. * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def) (posixpre.def): Use $(T). (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP) (SHLIB_SRC, SHLIB_INSTALL): Delete. (SHLIB_LINK): Make dummy. * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK. * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear. * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS. * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30, config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos, config/rs6000/t-newas, config/sparc/t-elf: Likewise. * configure.ac (all_outputs): Remove mklibgcc. * configure: Regenerated. 2007-01-03 Josh Conner PR middle-end/29683 * calls.c (compute_argument_addresses): Set stack and stack_slot for partial args, too. (store_one_arg): Use locate.size.constant for the size when generating a save_area. 2007-01-03 Robert Kennedy * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results whose definitions are deleted due to basic block merging. 2007-01-03 Paul Brook PR target/16634 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt functions. (use_return_insn): Return 0 for Thumb interrupt functions. (print_multi_reg): Add rfe argument for IRQ returns. (arm_output_epilogue): Pop interrupt return address directly into PC. (arm_expand_prologue): Only adjust IRQ return address in Arm mode. 2007-01-03 Paul Brook Merge from sourcerygxx-4_1. * config/arm/thumb2.md: New file. * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for Thumb-2. * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto. * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion. (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables. * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables. (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion. * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm comptibility. * config/arm/ieee754-sf.S: Ditto. * config/arm/arm.c (thumb_base_register_rtx_p): Rename... (thumb1_base_register_rtx_p): ... to this. (thumb_index_register_rtx_p): Rename... (thumb1_index_register_rtx_p): ... to this. (thumb_output_function_prologue): Rename... (thumb1_output_function_prologue): ... to this. (thumb_legitimate_address_p): Rename... (thumb1_legitimate_address_p): ... to this. (thumb_rtx_costs): Rename... (thumb1_rtx_costs): ... to this. (thumb_compute_save_reg_mask): Rename... (thumb1_compute_save_reg_mask): ... to this. (thumb_final_prescan_insn): Rename... (thumb1_final_prescan_insn): ... to this. (thumb_expand_epilogue): Rename... (thumb1_expand_epilogue): ... to this. (arm_unwind_emit_stm): Rename... (arm_unwind_emit_sequence): ... to this. (thumb2_legitimate_index_p, thumb2_legitimate_address_p, thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec, thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem, arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition, thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift, thumb2_output_casesi): New functions. (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define. (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7, FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME, THUMB2_WORK_REGS): Define. (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count, arm_condexec_mask, arm_condexec_masklen)): New variables. (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m. (arm_override_options): Check new CPU capabilities. Set new architecture flag variables. (arm_isr_value): Handle v7m interrupt functions. (user_return_insn): Return 0 for v7m interrupt functions. Handle Thumb-2. (const_ok_for_arm): Handle Thumb-2 constants. (arm_gen_constant): Ditto. Use movw when available. (arm_function_ok_for_sibcall): Return false for v7m interrupt functions. (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2. (thumb_find_work_register, arm_load_pic_register, legitimize_tls_address, arm_address_cost, load_multiple_sequence, emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size, print_multi_reg, output_mov_long_double_fpa_from_arm, output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm, output_mov_double_fpa_from_arm, output_move_double, arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask, output_return_instruction, arm_output_function_prologue, arm_output_epilogue, arm_get_frame_offsets, arm_regno_class, arm_output_mi_thunk, thumb_set_return_address): Ditto. (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs. (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC. (arithmetic_instr, shift_op): Use arm_shift_nmem. (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.', '!' and 'L'. (arm_final_prescan_insn): Use extract_constrain_insn_cached. (thumb_expand_prologue): Use thumb_set_frame_pointer. (arm_file_start): Output directive for unified syntax. (arm_unwind_emit_set): Handle stack alignment instruction. * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__. Add v6t2, v7, v7a, v7r and v7m. (RETLDM): Add Thumb-2 code. (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros. * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__. (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY, TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN, THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS, ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE, CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END, ADJUST_INSN_LENGTH): Define. (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE, STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS, BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES, PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT, HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP, HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG, REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P, REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS, LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS, GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST, ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME, FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P, PRINT_OPERAND_ADDRESS): Adjust for Thumb-2. (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations. * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and cortex-m3. * config/arm/arm-tune.md: Regenerate. * config/arm/arm-protos.h: Update prototypes. * config/arm/vfp.md: Enable patterns for Thumb-2. (arm_movsi_vfp): Add movw alternative. Use output_move_vfp. (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp. (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp, thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New. * config/arm/libunwind.S: Add Thumb-2 code. * config/arm/constraints.md: Update include Thumb-2. * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support. * config/arm/ieee754-df.S: Ditto. * config/arm/bpabi.S: Ditto. * config/arm/t-arm (MD_INCLUDES): Add thumb2.md. * config/arm/predicates.md (low_register_operand, low_reg_or_int_operand, thumb_16bit_operator): New. (thumb_cmp_operand, thumb_cmpneg_operand): Rename... (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this. * config/arm/t-arm-elf: Add armv7 multilib. * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm. Include thumb2.md. (UNSPEC_STACK_ALIGN, ce_count): New. (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3, arm_zero_extendsidi2, arm_zero_extendqidi2): New insns/expanders. * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm. (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa, thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns. * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm. (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn, thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New insns. * doc/extend.texi: Document ARMv7-M interrupt functions. * doc/invoke.texi: Document Thumb-2 new cores+architectures. 2007-01-03 Jakub Jelinek * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define. (struct _Unwind_Context): Rename args_size to flags, remove signal_frame field, add a new args_size field and version field. (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame, _Unwind_IsExtendedContext): New inline functions. (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr): Assume by_value array is only present if _Unwind_IsExtendedContext. (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use _Unwind_IsSignalFrame. (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT. (uw_update_context_1): Use _Unwind_SetSignalFrame. (uw_init_context_1): Initialize context->flags to EXTENDED_CONTEXT_BIT. * config/rs6000/linux-unwind.h (frob_update_context): Use _Unwind_SetSignalFrame. 2007-01-03 Andrew Pinski PR middle-end/30353 * gimplify.c (gimplify_modify_expr_complex_part): Move below tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need the value. 2007-01-03 Kazu Hirata * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P, REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER, RET, AT_SP): Remove. * config/i386/i386.md (*sse_prologue_save_insn): Use return instead of RET. * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. * cfgbuild.c (find_basic_blocks): Likewise. * cfgrtl.c (rtl_create_basic_block): Likewise. * function.c (temp_slots_at_level): Likewise. * reg-stack.c (stack_regs_mentioned): Likewise. * regclass.c (allocate_reg_info): Likewise. * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, set_bb_for_stmt, move_block_to_fn): Likewise. * tree-complex.c (tree_lower_complex): Likewise. * vec.h (VEC_safe_grow_cleared): New. * cgraphunit.c, tree-ssa-alias.c: Fix comment typos. 2007-01-03 Zdenek Dvorak * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify. * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities to loop_version. * cfgloopmanip.c (scale_loop_frequencies): Export. (loopify): Scale the frequencies by prescribed coefficients. (set_zero_probability): New function. (duplicate_loop_to_header_edge): Improve updating of frequencies. (lv_adjust_loop_entry_edge, loop_version): Set probabilities and frequencies according to arguments. * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities correctly. * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up. * modulo-sched.c (sms_schedule): Set probabilities for entering versioned loop correctly. * tree-vect-transform.c (vect_transform_loop): Ditto. * cfgloop.h (loopify, loop_version): Declaration changed. (scale_loop_frequencies): Declared. 2007-01-02 Jan Hubicka * cgraph.c: Include tree-flow.h (cgraph_add_new-function): Handle IPA_SSA mode; execute early_local_passes. * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA. * tree-pass.h (pass_all_early_optimizations): Declare. * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute early_local_passes. (cgraph_analyze_function): Do early_local_passes. * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for): Do not add referenced vars. * tree-optimize.c (gate_all_optimizations): Do not execute when not in SSA form. (gate_all_early_local_passes): New gate. (pass_early_local_passes): Use new gate. (execute_early_local_optimizations): New functions. (gate_all_early_optimizations): New gate. (pass_all_early_optimizations): New pass. (execute_free_datastructures): Free SSA only when initialized. (gate_init_datastructures): Init only when optimizing. (tree_lowering_passes): Do early local passes when called late. * tree-profile.c (do_tree_profiling): Don't profile functions added late. (do_early_tree_profiling, pass_early_tree_profile): Kill. * tree-cfg.c (update_modified_stmts): Do not update when operands are not active. * passes.c (init_optimizations_passes): Reorder so we go into SSA during early_local_passes. * Makefile.in (cgraph.o): Add dependency on tree-flow.h. 2007-01-02 Carlos O'Donell * Makefile.in: Update copyright year. 2007-01-02 Carlos O'Donell * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST) in $(lang_checks) and check-consistency targets. 2007-01-02 Jan Hubicka * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for): Do not add referenced vars. * tree-cfg.c (update_modified_stmts): Do not update when SSA operands are not active. * passes.c (init_optimization_passes): Put mudflap_2 after free_datastructures. 2007-01-02 Jan Hubicka * tree-optimize (execute_fixup_cfg): Set after_inlining flag. Set NOTHROW flag on call statements proved to be nothrow. Update statement of local calls so new pure/const functions are updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal goto receivers. (tree_rest_of_compilation): Register hooks and initialize bitmap early. Do not set after_inlining flag. 2007-01-02 Steve Ellcey * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to HOST_BITS_PER_LONGLONG 2007-01-02 Manuel Lopez-Ibanez PR c/19977 * c-typeck.c (store_init_value): Don't emit pedantic overflow warning for non-static initializers. 2007-01-02 Steven Bosscher * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md, m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c, rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c: Always use set_unique_reg_note to add REG_EQUAL notes. 2007-01-02 Kazu Hirata Revert: 2007-01-02 Kazu Hirata * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. * cfgbuild.c (find_basic_blocks): Likewise. * cfgrtl.c (rtl_create_basic_block): Likewise. * function.c (temp_slots_at_level): Likewise. * reg-stack.c (stack_regs_mentioned): Likewise. * regclass.c (allocate_reg_info): Likewise. * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, set_bb_for_stmt, move_block_to_fn): Likewise. * tree-complex.c (tree_lower_complex): Likewise. * vec.h (VEC_safe_grow_cleared): New. 2007-01-02 Ian Lance Taylor * c-common.c (c_common_truthvalue_conversion): When warning about using an assignment as a truth value, set TREE_NO_WARNING. 2007-01-02 Manuel Lopez-Ibanez PR middle-end/7651 * c.opt (Wold-style-declaration): New. * doc/invoke.texi (C-only Warning Options): New. (Wold-style-declaration): Document it. (Wextra): Enabled by -Wextra. * c-opts.c (c_common_post_options): Enabled by -Wextra. * c-decl.c (declspecs_add_scspec): Replace -Wextra with -Wold-style-declaration. 2007-01-02 Kazu Hirata * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared. * cfgbuild.c (find_basic_blocks): Likewise. * cfgrtl.c (rtl_create_basic_block): Likewise. * function.c (temp_slots_at_level): Likewise. * reg-stack.c (stack_regs_mentioned): Likewise. * regclass.c (allocate_reg_info): Likewise. * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb, set_bb_for_stmt, move_block_to_fn): Likewise. * tree-complex.c (tree_lower_complex): Likewise. * vec.h (VEC_safe_grow_cleared): New. 2007-01-02 Douglas Gregor * c-common.c (c_common_nodes_and_builtins): Since variants of void_type_node get built before it is given a name, we need to give those variants the name, too. (complete_array_type): We need to work with the canonical main type of the array, from which we will build the qualified version. * params.def (PARAM_VERIFY_CANONICAL_TYPES): New. * print-tree.c (print_node): Display canonical type information for each type. * stor-layout.c (layout_type): When we don't know the alignment of a type for which we're building an array, we end up guessing wrong, so make the type require structural equality. * tree.c (make_node_stat): When we build a new type, it is its own canonical type. (build_type_attribute_qual_variant): When building an attribute variant, its canonical type is the non-attribute variant. However, if the attributes are target-dependent and they differ, we need to use structural equality checks for this type. (build_qualified_type): A qualified type is not equivalent to its unqualified variant; set the canonical type appropriately. (build_distinct_type_copy): When building a distinct type from another type, the new type is its own canonical type. (build_variant_type_copy): When building a new type variant, we assume that it is equivalent to the original type. (build_pointer_type_for_mode): When building a pointer type, also build a canonical type pointer. (build_reference_type_for_mode): When building a reference type, also build a canonical type reference. (build_index_type): When we can't hash an index type (e.g., because its maximum value is negative), the index type requires structural equality tests. (build_array_type): Build the canonical form of an array type. (build_function_type): Function types require structural equality, because they contain default arguments, attributes, etc. (build_method_type_directly): Ditto for method types. (build_offset_type): Build the canonical offset type. (build_complex_type): Build the canonical vector type. (make_vector_type): Build the canonical vector type. * tree.h (TYPE_CANONICAL): New. (TYPE_STRUCTURAL_EQUALITY_P): New. (SET_TYPE_STRUCTURAL_EQUALITY): New. (struct tree_type): Added "canonical" field. * params.h (VERIFY_CANONICAL_TYPES): New. * doc/c-tree.texi (TYPE_CANONICAL): Document. (TYPE_STRUCTURAL_EQUALITY_P): Document. (SET_TYPE_STRUCTURAL_EQUALITY): Document. * doc/invoke.texi (verify-canonical-types): Document --param parameter for verifying canonical types. 2007-01-02 Joseph Myers * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*, powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*, powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae, powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to tm_file. * config/rs6000/e500.h: New. * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE): Remove. * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE): Remove. * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove. * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define. * config/rs6000/rs6000.c (rs6000_override_options): Use CHECK_E500_OPTIONS. 2007-01-02 Joseph Myers * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE || TARGET_E500_DOUBLE), not TARGET_E500, for %y. (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch, rs6000_emit_cmove): Don't check TARGET_E500. * config/rs6000/rs6000.md (bunordered, bordered, sunordered, sordered): Don't check TARGET_E500. 2007-01-01 Eric Christopher * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use HARD_REGISTER_NUM_P. 2007-01-01 Roger Sayle * fold-const.c (fold_binary) : Fold "(X^C1) eq/ne C2" into "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2)) eq/ne Y". 2007-01-01 Mike Stump * configure.ac: Remove support for building with Apple's gcc-3.1. 2007-01-02 Joseph Myers PR middle-end/30311 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner REG is a hard register. Do not modify REG before calling subreg_nregs. * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a multiple of the size of YMODE for certain lowpart cases. 2007-01-01 Andrew Pinski PR middle-end/30253 * gimplify (voidify_wrapper_expr): Update for GIMPLE_MODIFY_STMT. 2007-01-01 Andreas Schwab PR target/29166 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for save of BR0 in extra_spill_size instead of spill_size. (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill area. (ia64_expand_epilogue): Restore BR0 from its new location. 2007-01-01 Andrew Pinski * gimplify.c (gimplify_init_constructor ): Use a temporary variable if the left hand side is not a gimple register. 2007-01-01 Andrew Pinski * gimplify.c (gimplify_return_expr): Make the temporary variable for the return expression, a gimple register variable. 2007-01-01 Jan Hubicka * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for INSN_LIST. 2007-01-01 Mike Stump * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for .literal16. * config/darwin.c (machopic_select_rtx_section): Use HAVE_GAS_LITERAL16. (darwin_mergeable_constant_section): Likewise. * configure: Regenerate. * config.in: Regenerate. 2007-01-01 Jan Hubicka Andrew Pinski * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions before starting IPA passes.