+2009-06-29 Tom Tromey <tromey@redhat.com>
+
+ * dwarf2.h: Remove.
+ * Makefile.in (DWARF2_H): New variable.
+ (except.o): Use it.
+ (dwarf2out.o): Likewise.
+ (dwarf2asm.o): Likewise.
+ * config/i386/t-i386: Use DWARF2_H.
+ * except.c: Include elf/dwarf2.h.
+ * unwind-dw2.c: Include elf/dwarf2.h.
+ * dwarf2out.c: Include elf/dwarf2.h.
+ (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
+ <dtprel>: New field.
+ (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
+ (size_of_loc_descr): Likewise.
+ (output_loc_operands_raw): Likewise.
+ (output_loc_operands): Handle new dtprel field.
+ (loc_checksum): Update.
+ (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
+ * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
+ * unwind-dw2-fde.c: Include elf/dwarf2.h.
+ * dwarf2asm.c: Include elf/dwarf2.h.
+ * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
+ * config/mmix/mmix.c: Include elf/dwarf2.h.
+ * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
+ * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
+ * config/sh/sh.c: Include elf/dwarf2.h.
+ * config/i386/i386.c: Include elf/dwarf2.h.
+
+2009-06-29 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
+
+ * doc/extend.texi: Add MeP attributes and pragmas.
+ * doc/invoke.text: Add MeP Options.
+ * doc/contrib.texi: Add MeP contribution.
+ * doc/md.texi: Add MeP constraints.
+ * doc/install.texi: Add MeP target.
+
+2009-06-30 Anatoly Sokolov <aesok@post.ru>
+
+ * target.h (struct gcc_target): Add frame_pointer_required field.
+ * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
+ (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
+ * ira.c (setup_eliminable_regset): Use frame_pointer_required target
+ hook.
+ * reload1.c (update_eliminables): (Ditto.).
+ * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
+ * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
+ (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
+
+ * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
+
+ * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
+ (arm_frame_pointer_required): New function.
+
+ * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+ (avr_frame_pointer_required_p): Declare as static.
+ * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
+
+ * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
+ (bfin_frame_pointer_required): Make as static, change return type
+ to bool.
+ * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
+
+ * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+ (cris_frame_pointer_required): New function.
+
+ * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
+
+ * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+ (fr30_frame_pointer_required): New function.
+
+ * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
+ (frv_frame_pointer_required): Make as static, change return type
+ to bool.
+ * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
+
+ * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+ (ix86_frame_pointer_required): Make as static, change return type to
+ bool.
+ * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
+
+ * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+
+ * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
+
+ * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
+
+ * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
+
+ * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+ (mips_frame_pointer_required): Make as static.
+ * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
+
+ * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+ (mmix_frame_pointer_required): Mew function.
+
+ * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+
+ * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
+
+ * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
+
+ * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
+
+ * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
+ (CAN_ELIMINATE): Redefine.
+ * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
+ (sparc_frame_pointer_required): New function.
+ (sparc_can_eliminate): New function.
+ * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
+
+ * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
+
+ * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
+ * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
+ (xtensa_frame_pointer_required): Make as static, change return type
+ to bool.
+ * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
+ Remove.
+
+2009-06-29 Olatunji Ruwase <tjruwase@google.com>
+
+ * doc/plugins.texi: Document PLUGIN_START_UNIT.
+ * toplev.c (compile_file): Call PLUGIN_START_UNIT.
+ * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
+ * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
+ (register_callback): Handle PLUGIN_START_UNIT.
+ (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
+
+2009-06-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.c (process_call_operands): Propagate TREE_READONLY from the
+ operands.
+ (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
+ (build3_stat): Propagate TREE_READONLY for COND_EXPR.
+
+2009-06-29 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
+ move cost.
+
+2009-06-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * doc/extend.texi (Additional Floating Types): __float128 is also
+ supported on i386 targets.
+
+2009-06-29 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/14187
+ * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
+ flag.
+ (pt_solutions_same_restrict_base): Declare.
+ * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
+ flag.
+ (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
+ (make_constraint_from, make_copy_constraint): Move earlier.
+ (make_constraint_from_heapvar): New function.
+ (make_constraint_from_restrict): Likewise.
+ (handle_lhs_call): Use it.
+ (find_func_aliases): Use it to track conversions to restrict
+ qualified pointers.
+ (struct fieldoff): Add only_restrict_pointers flag.
+ (push_fields_onto_fieldstack): Initialize it.
+ (create_variable_info_for): Track global restrict qualified pointers.
+ (intra_create_variable_infos): Use make_constraint_from_heapvar.
+ Track restrict qualified pointer arguments.
+ (set_uids_in_ptset): Use varinfo is_global_var flag.
+ (find_what_var_points_to): Set the vars_contains_restrict flag.
+ Always create the points-to solution for sets including restrict tags.
+ (pt_solutions_same_restrict_base): New function.
+ * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
+ qualified pointers use pt_solutions_same_restrict_base as
+ additional source for disambiguation.
+
+2009-06-29 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/38212
+ * alias.c (find_base_decl): Remove.
+ (get_deref_alias_set_1): Remove restrict handling.
+ * c-common.c (c_apply_type_quals_to_decl): Do not set
+ DECL_POINTER_ALIAS_SET.
+ * gimplify.c (find_single_pointer_decl_1): Remove.
+ (find_single_pointer_decl): Likewise.
+ (internal_get_tmp_var): Remove restrict handling.
+ (gimple_regimplify_operands): Likewise.
+ * omp-low.c (expand_omp_atomic_pipeline): Do not set
+ DECL_POINTER_ALIAS_SET. Use ref-all pointers.
+ * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
+ * tree.c (restrict_base_for_decl): Remove.
+ (init_ttree): Do not allocate it.
+ (make_node_stat): Do not set DECL_POINTER_ALIAS_SET. Set
+ LABEL_DECL_UID for label decls.
+ (copy_node_stat): Do not copy restrict information.
+ (decl_restrict_base_lookup): Remove.
+ (decl_restrict_base_insert): Likewise.
+ (print_restrict_base_statistics): Likewise.
+ (dump_tree_statistics): Do not call print_restrict_base_statistics.
+ * tree.h (DECL_POINTER_ALIAS_SET): Remove.
+ (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
+ (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
+ (LABEL_DECL_UID): Adjust.
+ (DECL_BASED_ON_RESTRICT_P): Remove.
+ (DECL_GET_RESTRICT_BASE): Likewise.
+ (SET_DECL_RESTRICT_BASE): Likewise.
+ (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
+
+ * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
+ instead of DECL_POINTER_ALIAS_SET.
+ * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
+ * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
+ * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
+
+2009-06-29 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/40579
+ * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
+ the IL to simplify has constants that overflowed.
+
+2009-06-28 Uros Bizjak <ubizjak@gmail.com>
+
+ PR tree-optimization/40550
+ * tree-vect-generic.c (expand_vector_operations_1): Compute in
+ vector_compute_type only when the size of vector_compute_type is
+ less than the size of type.
+
+2009-06-28 Eric Botcazou <ebotcazou@adacore.com>
+
+ * fold-const.c (contains_label_1): Fix comments.
+ (contains_label_p): Do not walk trees multiple time.
+
+2009-06-28 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
+ * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
+ cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
+ ix86_fp_comparison_operator.
+ (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
+ *fp_jcc_2_sse, *fp_jcc_2_387): Delete
+ (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
+ *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
+ !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
+ to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
+ (related splits): Change predicate to ix86_fp_comparison_operator.
+ * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
+ instead of ix86_fp_comparison_codes.
+ (ix86_trivial_fp_comparison_operator,
+ ix86_fp_comparison_operator): New.
+ * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
+ (ix86_expand_compare): Eliminate last two parameters.
+ (ix86_fp_jump_nontrivial_p): Kill.
+ * config/i386/i386.c (put_condition_code): Eliminate call to
+ ix86_fp_comparison_codes and subsequent assertion.
+ (ix86_fp_comparison_codes): Eliminate.
+ (ix86_fp_swap_condition): New.
+ (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
+ ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
+ into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
+ (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
+ and ix86_fp_swap_condition.
+ (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
+ Use ix86_fp_comparison_strategy.
+ (ix86_expand_compare): Likewise. Eliminate last two arguments.
+ (ix86_fp_jump_nontrivial_p): Eliminate.
+ (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple. Adjust
+ call to ix86_expand_compare.
+ (ix86_split_fp_branch, ix86_expand_setcc,
+ ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
+ ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
+
+2009-06-28 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
+ related to jump_clobbers.
+ * config/arm/arm.md (conds): Remove jump_clob case.
+ (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
+ splits): Change comparison_operator to arm_comparison_operator.
+ (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
+ Eliminate.
+
+2009-06-28 Paolo Bonzini <bonzini@gnu.org>
+
+ * dojump.c (do_compare_rtx_and_jump): Try swapping the
+ condition for floating point modes.
+ * expmed.c (emit_store_flag_1): Move here a bigger part
+ of emit_store_flag.
+ (emit_store_flag): Try swapping the condition for floating point
+ modes.
+ * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
+
+2009-06-28 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (expand_expr_real_1): Just use do_store_flag.
+ (do_store_flag): Drop support for TRUTH_NOT_EXPR. Use
+ emit_store_flag_force.
+ * expmed.c (emit_store_flag_force): Copy here trick
+ previously in expand_expr_real_1. Try reversing the comparison.
+ (emit_store_flag_1): Work if target is NULL.
+ (emit_store_flag): Work if target is NULL, using the result mode
+ from the comparison. Use split_comparison, restructure final part
+ to simplify conditionals.
+
+2009-06-28 Paolo Bonzini <bonzini@gnu.org>
+
+ * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
+ * dojump.c (do_jump): Change handling of floating-point
+ ops to use just do_compare_and_jump.
+ (split_comparison): New.
+ (do_compare_rtx_and_jump): Add here logic coming previously
+ in do_jump, using split_comparison.
+
+2009-06-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/40489
+ * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
+
+2009-06-27 Paolo Bonzini <bonzini@gnu.org>
+
+ * tree-ssa-alias.c: Fix unintentional commit.
+
+2009-06-27 Paolo Bonzini <bonzini@gnu.org>
+
+ * passes.c (execute_one_pass): Fix unintentional commit.
+
+2009-06-27 Paolo Bonzini <bonzini@gnu.org>
+
+ * df-problems.c (df_set_seen, df_unset_seen): Delete.
+ (df_rd_local_compute, df_md_local_compute): Inline them.
+
+ (df_md_scratch): New.
+ (df_md_alloc, df_md_free): Allocate/free it.
+ (df_md_local_compute): Only include live registers in init.
+ (df_md_transfer_function): Prune the in-set computed by
+ the confluence function, and the gen-set too.
+
+2009-06-27 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/26854
+ * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
+ * df-problems.c (df_rd_add_problem): Fix comment.
+ (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
+ df_md_simulate_artificial_defs_at_top,
+ df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
+ df_md_bb_local_compute, df_md_local_compute, df_md_reset,
+ df_md_transfer_function, df_md_init, df_md_confluence_0,
+ df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
+ problem_MD, df_md_add_problem): New.
+ * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
+ df_md_get_bb_info): New.
+ (DF_LAST_PROBLEM_PLUS1): Adjust.
+
+ * Makefile.in (fwprop.o): Include domwalk.h.
+ * fwprop.c: Include domwalk.h.
+ (reg_defs, reg_defs_stack): New.
+ (bitmap_only_bit_between): Remove.
+ (process_defs): New.
+ (process_uses): Use reg_defs and local_md instead of
+ bitmap_only_bit_between and local_rd.
+ (single_def_use_enter_block): New, from build_single_def_use_links.
+ (single_def_use_leave_block): New.
+ (build_single_def_use_links): Remove code moved to
+ single_def_use_enter_block, invoke domwalk.
+ (use_killed_between): Adjust comment.
+
+2009-06-27 Paolo Bonzini <bonzini@gnu.org>
+
+ * bitmap.h (bitmap_ior_and_into): New.
+ * bitmap.c (bitmap_ior_and_into): New.
+
+2009-06-27 Paolo Bonzini <bonzini@gnu.org>
+
+ * domwalk.h (struct dom_walk_data): Remove all callbacks except
+ before_dom_children_before_stmts and after_dom_children_after_stmts.
+ Rename the two remaining callbacks to just before_dom_children and
+ after_dom_children. Remove other GIMPLE statement walking bits.
+ * domwalk.c (walk_dominator_tree): Remove now unsupported features.
+ * graphite.c: Do not include domwalk.h.
+ * tree-into-ssa.c (interesting_blocks): New global.
+ (struct mark_def_sites_global_data): Remove it and names_to_rename.
+ (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
+ rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
+ now that they're not domwalk callbacks.
+ (rewrite_initialize_block): Rename to...
+ (rewrite_enter_block): ... this, place after called functions. Test
+ interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
+ (rewrite_finalize_block): Rename to...
+ (rewrite_leave_block): ... this, place after called functions.
+ (rewrite_update_init_block): Rename to...
+ (rewrite_update_enter_block): ... this, place after called functions.
+ Test interesting_blocks, call rewrite_update_stmt and
+ rewrite_update_phi_arguments.
+ (rewrite_update_fini_block): Rename to...
+ (rewrite_leave_block): ... this, place after called functions.
+ (rewrite_blocks): Remove last argument, simplify initialization of
+ walk_data.
+ (mark_def_sites_initialize_block): Rename to...
+ (mark_def_sites_block): ... this, call mark_def_sites.
+ (mark_def_sites_blocks): Remove argument, simplify initialization of
+ walk_data.
+ (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
+ (update_ssa): Likewise.
+ * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
+ callback.
+ (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
+ (dom_opt_initialize_block): Rename to...
+ (dom_opt_enter_block): ... this, place after called functions. Walk
+ statements here, inline propagate_to_outgoing_edges.
+ (dom_opt_finalize_block): Rename to...
+ (dom_opt_leave_block): ... this, place after called functions.
+ * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
+ domwalk callback.
+ (dse_enter_block, dse_record_phi): New.
+ (dse_record_phis): Delete.
+ (dse_finalize_block): Rename to...
+ (dse_leave_block): ... this.
+ (tree_ssa_dse): Simplify initialization of walk_data.
+ * tree-ssa-loop-im.c (determine_invariantness, move_computations):
+ Adjust initialization of walk_data.
+ * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
+ * tree-ssa-loop-phiopt.c (get_non_trapping):
+ Adjust initialization of walk_data.
+ * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
+ * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
+ it's not a domwalk callback.
+ (uncprop_initialize_block): Rename to...
+ (dse_enter_block): ... this, call uncprop_into_successor_phis.
+ (dse_finalize_block): Rename to...
+ (dse_leave_block): ... this.
+ (tree_ssa_uncprop): Simplify initialization of walk_data.
+ * Makefile.in: Adjust dependencies.
+
+2009-06-27 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (casesi): Fix test for Thumb1.
+ (thumb1_casesi_internal_pic): Likewise.
+ (thumb1_casesi_dispatch): Likewise.
+
+2009-06-26 Daniel Gutson <dgutson@codesourcery.com>
+
+ * config/arm/arm-cores.def: Added core cortex-m0.
+ * config/arm/arm-tune.md: Regenerated.
+ * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
+
+2009-06-26 DJ Delorie <dj@redhat.com>
+
+ * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
+
+ * config/mep/mep.c (mep_bundle_insns): Account for the fact that
+ the scheduler doesn't tag jump insns.
+
+2009-06-26 H.J. Lu <hongjiu.lu@intel.com>
+
+ * c-decl.c (merge_decls): Re-indent.
+
+2009-06-26 Janis Johnson <janis187@us.ibm.com>
+
+ PR c/39902
+ * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
+ Special-case decimal float constants.
+
+2009-06-26 Richard Henderson <rth@redhat.com>
+
+ * function.h (struct function): Add cannot_be_copied_reason,
+ and cannot_be_copied_set.
+ * tree-inline.c (has_label_address_in_static_1): Rename from
+ inline_forbidden_p_2; don't set inline_forbidden_reason here.
+ (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
+ don't set inline_forbidden_reason.
+ (copy_forbidden): New function, split out of inline_forbidden_p.
+ (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
+ (inline_forbidden_p): Use copy_forbidden.
+ (tree_versionable_function_p): Likewise.
+ (inlinable_function_p): Merge into tree_inlinable_function_p.
+ (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
+ * ipa-cp.c (ipcp_versionable_function_p): New function.
+ (ipcp_cloning_candidate_p): Use it.
+ (ipcp_node_modifiable_p): Likewise.
+
+2009-06-26 Olatunji Ruwase <tjruwase@google.com>
+
+ * builtins.c (expand_builtin_alloca): Handle builtin alloca
+ that is marked not to be inlined. Remove flag_mudflap use.
+ * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
+ (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
+
+2009-06-26 Steve Ellcey <sje@cup.hp.com>
+
+ PR bootstrap/40338
+ * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
+ * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
+
+2009-06-26 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
+ shared libgcc.
+ (__mingwthr_remove_key_dtor): Likewise.
+
+2009-06-26 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
+
+2009-06-26 Steven Bosscher <steven@gcc.gnu.org>
+
+ PR middle-end/40525
+ * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
+ try the non-cond_exec path also.
+
+2009-06-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/40468
+ * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
+ (output_cbranch): Use new functions.
+ (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
+ Likewise.
+
+2009-06-25 Michael Meissner <meissner@linux.vnet.ibm.com>
+ Pat Haugen <pthaugen@us.ibm.com>
+ Revital Eres <ERES@il.ibm.com>
+
+ * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
+ Change some of the functions called by macros to being called
+ through a pointer, so debug functions can be inserted if
+ -mdebug=addr or -mdebug=cost.
+ (rs6000_preferred_reload_class_ptr): Ditto.
+ (rs6000_secondary_reload_class_ptr): Ditto.
+ (rs6000_secondary_memory_needed_ptr): Ditto.
+ (rs6000_cannot_change_mode_class_ptr): Ditto.
+ (rs6000_secondary_reload_inner): Ditto.
+ (rs6000_legitimize_reload_address): Ditto.
+ (rs6000_legitimize_reload_address_ptr): Ditto.
+ (rs6000_mode_dependent_address): Ditto.
+ (rs6000_mode_dependent_address_ptr): Ditto.
+
+ * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
+ function to return true if the mode allows reg + integer
+ addresses.
+ (virtual_stack_registers_memory_p): New function to return true if
+ the address refers to a virtual stack register.
+ (rs6000_legitimate_offset_address_p): Move code to say whether a
+ mode supports reg+int addressing to reg_offset_addressing_ok_p and
+ call it.
+ (rs6000_legitimate_address_p): Add checks for modes that only can
+ do reg+reg addressing. Start adding VSX support.
+ (rs6000_legitimize_reload_address): Ditto.
+ (rs6000_legitimize_address): Ditto.
+ (rs6000_debug_legitimate_address_p): New debug functions for
+ -mdebug=addr and -mdebug=cost.
+ (rs6000_debug_rtx_costs): Ditto.
+ (rs6000_debug_address_costs): Ditto.
+ (rs6000_debug_adjust_cost): Ditto.
+ (rs6000_debug_legitimize_address): Ditto.
+ (rs6000_legitimize_reload_address_ptr): Point to call normal
+ function or debug function. Make functions called via pointer
+ static.
+ (rs6000_mode_dependent_address_ptr): Ditto.
+ (rs6000_secondary_reload_class_ptr): Ditto.
+ (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
+ (rs6000_emit_move): Add -mdebug=addr support. Change an abort
+ into a friendlier error.
+ (rs6000_init_builtins): Add initial VSX support.
+ (rs6000_adjust_cost): Fix some spacing issues.
+
+ * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
+ (REG_CLASS_NAMES): Ditto.
+ (REG_CLASS_CONTENTS): Ditto.
+ (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
+ pointer, to add -mdebug=addr support.
+ (CANNOT_CHANGE_MODE_CLASS): Ditto.
+ (SECONDARY_RELOAD_CLASS): Call through a pointer to add
+ -mdebug=addr support.
+ (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
+ (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
+ (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
+
+ * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
+ 16-bit values.
+ (bswapsi*): Set attribute types for load/store. Add combiner
+ patterns to eliminate zero extend on 64-bit.
+ (bswapdi*): Add support for swapping 64-bit values. Use ldbrx and
+ stdbrx if the hardware supports those instructions.
+
+2009-06-25 Ian Lance Taylor <iant@google.com>
+
+ * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
+ (Link Options): Document -static-libstdc++.
+
+2009-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR target/38731
+ * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
+ DATA_ALIGNMENT instead.
+
+2009-06-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
+ indirect references against the callused/escaped solutions.
+ (call_may_clobber_ref_p_1): Likewise.
+
+2009-06-25 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/40493
+ * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
+ (enum unscalarized_data_handling): New type.
+ (handle_unscalarized_data_in_subtree): Return what has been done.
+ (load_assign_lhs_subreplacements): Handle left flushes differently.
+ (sra_modify_assign): Use unscalarized_data_handling, simplified
+ condition determining whether to remove the statement.
+
+2009-06-25 Basile Starynkevitch <basile@starynkevitch.net>
+
+ * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
+ excerpt - @ should be doubled for texinfo.
+
+2009-06-24 Ian Lance Taylor <iant@google.com>
+
+ * config/arc/arc.c: Include "df.h".
+ (arc_attribute_table): Make static. Move higher in file.
+ (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
+ (output_shift): Initialize n later to avoid warning.
+ * config/arm/arm.c (arm_attribute_table): Make static. Move
+ higher in file.
+ * config/avr/avr.c (avr_attribute_table): Make static. Move
+ higher in file.
+ (reg_class_tab): Change array type from int to enum reg_class.
+ (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
+ LABEL_REF.
+ (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
+ (lshrhi3_out): Likewise.
+ (class_likely_spilled_p): Change return type to bool.
+ (avr_rtx_costs): Use local code variable with enum type.
+ * config/avr/avr.md (movmemhi): Use add_reg_note.
+ (andhi3, andsi3): Don't use AS2 with "and".
+ (iorhi3, iorsi3): Don't use AS2 with "or".
+ * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
+ * config/crx/crx.c: Include "df.h".
+ (crx_attribute_table): Make static.
+ * config/m32r/m32r.c: Include "df.h".
+ (m32r_attribute_table): Make static. Move higher in file.
+ (pop): Use add_reg_note.
+ (block_move_call): Change 0 to LCT_NORMAL in function call.
+ * config/m32r/m32r.md (movsi_insn): Remove unused local value.
+ * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
+ * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
+ declare, not just when TREE_CODE is defined.
+ * config/m68hc11/m68hc11.c: Include "expr.h".
+ (m68hc11_attribute_table): Make static. Move higher in file.
+ (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
+ function call.
+ (m68hc11_register_indirect_p): Likewise.
+ (m68hc11_function_arg_padding): Change return type to enum
+ direction.
+ (emit_move_after_reload): Use add_reg_note.
+ (m68hc11_emit_logical): Change code parameter to enum rtx_code.
+ (m68hc11_split_logical): Likewise.
+ (m68hc11_rtx_costs): Add local code_and outer_code variables with
+ enum type.
+ * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
+ to VOIDmode in function call.
+ * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
+ tree is defined.
+ (m68hc11_split_logical): Update declaration.
+ (m68hc11_function_arg_padding): Update declaration.
+ * config/mcore/mcore.c (regno_reg_class): Change form array of int
+ to array of enum reg_class.
+ (mcore_attribute_table): Make static. Move higher in file.
+ (mcore_rtx_costs): Add cast to enum type.
+ * config/mcore/mcore.h (regno_reg_class): Update declaration.
+ (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
+ * config/sh/sh.c (sh_attribute_table): Make static. Move higher
+ in file.
+ * config/sh/predicates.md (trapping_target_operand): Rename and to
+ and_expr.
+ * config/sparc/sparc.c (sparc_attribute_table): Make static. Move
+ higher in file.
+ * config/spu/spu.c (spu_attribute_table): Make static. Move
+ higher in file.
+ * config/v850/v850.c (v850_attribute_table): Make static. Move
+ higher in file.
+ (v850_rtx_costs): Use local code with enum type.
+ (expand_epilogue): Add cast.
+ * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
+
+2009-06-23 Takashi YOSHII <yoshii.takashi@renesas.com>
+
+ PR target/40515
+ * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
+ -m2a-single-only and -m2a-nofpu.
+ * config/sh/sh.opt: Document m2a generates FPU code.
+
+2009-06-24 Anatoly Sokolov <aesok@post.ru>
+
+ * defaults.h (CAN_ELIMINATE): Provide default.
+ * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
+ * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
+ * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
+ * config/spu/spu.h (CAN_ELIMINATE): Delete.
+ * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
+ * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
+ * config/cris/cris.h (CAN_ELIMINATE): Delete.
+ * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
+ * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
+ * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
+
+2009-06-24 DJ Delorie <dj@redhat.com>
+
+ * mep-ext-cop.cpu: Fix copyright notice.
+ * mep-default: Fix copyright notice.
+ * mep-core: Fix copyright notice.
+ * mep: Fix copyright notice.
+ * mep-ivc2: Fix copyright notice.
+ * mep-c5: Fix copyright notice.
+
+2009-06-24 Denis Chertykov <chertykov@gmail.com>
+
+ * doc/contrib.texi (Contributors):
+
+2009-06-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ PR middle-end/40501
+ * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
+ src and dst operands if necessary.
+
+2009-06-23 DJ Delorie <dj@redhat.com>
+
+ Add MeP port.
+ * config.gcc: Add mep support.
+ * recog.c: Resurrect validate_replace_rtx_subexp().
+ * recog.h: Likewise.
+ * config/mep/: Add new port:
+ * config/mep/constraints.md: New file.
+ * config/mep/default.h: New file.
+ * config/mep/intrinsics.h: New file.
+ * config/mep/intrinsics.md: New file.
+ * config/mep/ivc2-template.h: New file.
+ * config/mep/mep-c5.cpu: New file.
+ * config/mep/mep-core.cpu: New file.
+ * config/mep/mep-default.cpu: New file.
+ * config/mep/mep-ext-cop.cpu: New file.
+ * config/mep/mep-intrin.h: New file.
+ * config/mep/mep-ivc2.cpu: New file.
+ * config/mep/mep-lib1.asm: New file.
+ * config/mep/mep-lib2.c: New file.
+ * config/mep/mep-pragma.c: New file.
+ * config/mep/mep-protos.h: New file.
+ * config/mep/mep-tramp.c: New file.
+ * config/mep/mep.c: New file.
+ * config/mep/mep.cpu: New file.
+ * config/mep/mep.h: New file.
+ * config/mep/mep.md: New file.
+ * config/mep/mep.opt: New file.
+ * config/mep/predicates.md: New file.
+ * config/mep/t-mep: New file.
+
+2009-06-23 Ian Lance Taylor <iant@google.com>
+
+ * configure.ac: Invoke AC_PROG_CXX. Separate C specific warnings
+ from loose_warn into c_loose_warn and from strict_warn into
+ c_strict_warn. Set and substitute warn_cxxflags. Check for
+ --enable-build-with-cxx. Set and substitute
+ ENABLE_BUILD_WITH_CXX. Set and substitute HOST_LIBS.
+ * Makefile.in (CXXFLAGS): New variable.
+ (C_LOOSE_WARN, C_STRICT_WARN): New variables.
+ (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN). Add $(C_STRICT_WARN) if
+ the default is the same as $(STRICT_WARN).
+ (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
+ (CXX): New variable.
+ (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
+ (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
+ (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
+ (HOST_LIBS): New variable.
+ (GCC_CFLAGS): Add $(C_LOOSE_WARN).
+ (ALL_CXXFLAGS): New variable.
+ (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
+ * doc/install.texi (Configuration): Document
+ --enable-build-with-cxx, --with-stage1-ldflags,
+ --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
+ * configure: Rebuild.
+
+2009-06-24 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ * config/arm/arm.c (arm_override_options): Fix braces and formatting
+ from previous commit.
+
+2009-06-23 Ian Lance Taylor <iant@google.com>
+
+ * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
+
+2009-06-23 Ian Lance Taylor <iant@google.com>
+
+ * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
+ with ATTRIBUTE_UNUSED.
+
+2009-06-23 Michael Meissner <meissner@linux.vnet.ibm.com>
+ Pat Haugen <pthaugen@us.ibm.com>
+ Revital Eres <eres@il.ibm.com>
+
+ * config.in (HAVE_AS_POPCNTD): Add default definition.
+ (HAVE_AS_LWSYNC): Ditto.
+
+ * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
+ release number.
+ (gcc_cv_as_powerpc_cmpb): Ditto.
+ (gcc_cv_as_powerpc_dfp): Ditto.
+ (gcc_cv_as_powerpc_vsx): Ditto.
+ (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
+ supporting the popcntd/lwsync instructions.
+ (gcc_cv_as_powerpc_lwsync): Ditto.
+ * configure: Regenerate.
+
+ * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
+ -mcpu=native and -mcpu=power7.
+ * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
+
+ * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
+ a variable instead of a mask to reduce the number of mask bits.
+ * config/rs6000/sysv4.opt (-mbit-align): Ditto.
+ (-mbit-word): Ditto.
+ (-mregnames): Ditto.
+ * config/rs6000/rs6000.opt (-mupdate): Ditto.
+ (-mfused-madd): Ditto.
+
+ * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
+ 2.06 instructions.
+ (-mvsx): New switch for VSX instructions.
+ (-misel): Move from a variable to a mask to allow it to be set by
+ -mcpu=.
+
+ * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
+ function declaration to an array declaration.
+ (rs6000_hard_regno_nregs): New external array declaration.
+
+ * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
+ files included by rs6000.md.
+
+ * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
+ SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
+
+ * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
+ a target mask.
+ (rs6000_debug_reg): New -mdebug= variables.
+ (rs6000_debug_addr): Ditto.
+ (rs6000_debug_cost): Ditto.
+ (rs6000_pmode): New variable to hold Pmode.
+ (rs6000_pointer_size): New variable to hold POINTER_SIZE.
+ (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
+ calculated at compiler start.
+ (rs6000_hard_regno_nregs): Change function to an array which holds
+ HARD_REGNO_NREGS calculated at compiler start.
+ (rs6000_explicit_options): Delete isel field.
+ (rs6000_vector_unit): New array to hold which vector unit
+ supports arithmetic options for a given type.
+ (rs6000_vector_mem): New array to hold which vector unit supports
+ memory reference operations for a given type.
+ (rs6000_vector_align): New array to given the alignment of each
+ vector type.
+ (power7_cost): New basic costs for power7.
+ (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
+ (rs6000_hard_regno_nregs_internal): New function, moved from
+ HARD_REGNO_NREGS, to calculate the number of registers each hard
+ register takes for each type.
+ (rs6000_debug_reg_print): New function for -mdebug=reg support.
+ (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
+ (+rs6000_init_hard_regno_mode_ok): New function, move calculation
+ of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
+ unit information here so it is calculated once at compiler startup
+ time.
+ (rs6000_override_options): Make -misel a target mask. Add more
+ power7 target masks. Setup Pmode and POINTER_SIZE. Add initial
+ VSX support. Add support for -mdebug=reg, -mdebug=addr, and
+ -mdebug=cost.
+ (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
+ (rs6000_handle_option): Move -misel from variable to target mask.
+ (rs6000_builtin_mask_for_load): Add VSX support.
+ (rs6000_conditional_register_usage): Ditto.
+ (USE_ALTIVEC_FOR_ARG_P): Ditto.
+ (function_arg_boundary): Ditto.
+ (rs6000_expand_builtin): Ditto.
+ (def_builtin): Make abort message a little friendlier.
+ (rs6000_emit_int_cmove): Add support for 64-bit isel.
+
+ * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
+ assembler support the popcntd instruction instead of a vsx
+ instruction to enable power7 support.
+ (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
+ (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
+ option to the assembler if -mcpu=native.
+ (ASM_CPU_NATIVE_SPEC): Ditto.
+ (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
+ ISA 2.06 features.
+ (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
+ the lwsync instruction.
+ (enum processor_type): Add PROCESSOR_POWER7.
+ (rs6000_debug_reg): New -mdebug= options.
+ (rs6000_debug_addr): Ditto.
+ (rs6000_debug_cost): Ditto.
+ (rs6000_isel): Delete.
+ (enum rs6000_vector): New enum to say what vector unit we have.
+ (VECTOR_UNIT_*): New macros to say which vector unit has
+ arithmetic operations for a given type.
+ (VECTOR_MEM_*): New macros to say which vector unit has memory
+ operations for a given type.
+ (TARGET_LDBRX): Whether the machine supports the ldbrx
+ instruction.
+ (TARGET_ISEL): Delete, -misel moved to be a mask.
+ (TARGET_ISEL64): New macro for 64-bit isel support.
+ (UNITS_PER_VSX_WORD): New macro.
+ (POINTER_SIZE): Move to be an external variable, rather than
+ calculating whether we are generating 32 ot 64-bit code.
+ (Pmode): Ditto.
+ (STACK_BOUNDARY): Add VSX support.
+ (LOCAL_ALIGNMENT): Ditto.
+ (SLOW_UNALIGNED_ACCESS): Ditto.
+ (VSX_REGNO_P): New macro for VSX support.
+ (VFLOAT_REGNO_P): Ditto.
+ (VINT_REGNO_P): Ditto.
+ (VLOGICAL_REGNO_P): Ditto.
+ (VSX_VECTOR_MODE): Ditto.
+ (VSX_SCALAR_MODE): Ditto.
+ (VSX_MODE): Ditto.
+ (VSX_MOVE_MODE): Ditto.
+ (VSX_REG_CLASS_P): Ditto.
+ (HARD_REGNO_NREGS): Instead of calling a function, use an array
+ lookup.
+ (UNITS_PER_SIMD_WORD): Add VSX support.
+ (MODES_TIEABLE_P): Ditto.
+ (STARTING_FRAME_OFFSET): Ditto.
+ (STACK_DYNAMIC_OFFSET): Ditto.
+ (EPILOGUE_USES): Ditto.
+ (REGNO_REG_CLASS): Move to array lookup.
+ (CLASS_MAX_NREGS): Ditto.
+ (rs6000_vector_reg_class): Add declaration.
+ (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
+ overlap with the floating point and Altivec registers.
+
+ * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
+
+ * config/rs6000/driver-rs6000.c (asm_names): New static array to
+ give the appropriate asm switches if -mcpu=native.
+ (host_detect_local_cpu): Add support for "asm".
+ (host_detect_local_cpu): Follow GNU code guidelines for name.
+
+ * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
+ -mbit-word to a variable instead of being a target mask.
+
+ * config/rs6000/sync.md (lwsync): If the assembler supports it,
+ emit the lwsync instruction instead of emitting the instruction as
+ an integer constant.
+
+ * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
+ fixuns_trundfsi2, move expander into rs6000.md.
+
+ * config/rs6000/rs6000.md (cpu): Add power7.
+ (sel, *ptrsize): New mode attributes for 32/64-bit isel.
+ (logical predicate patterns): Change the single instruction
+ primitives that set CR0 to be fast_compare instead of compare.
+ (norsi*): Ditto.
+ (popcntwsi2): Add support for ISA 2.06 popcount instructions.
+ (popcntddi2): Ditto.
+ (popcount<mode>): Ditto.
+ (floating multiply/add insns): Name the floating point
+ multiply/add insns.
+ (isel_signed_<mode>): Add support for -misel on 64-bit systems.
+ (isel_unsigned_<mode>): Ditto.
+ (fixuns_trundfsi2): Move expander here from spe.md.
+ (smindi3): Define if we have -misel on 64-bit systems.
+ (smaxdi3): Ditto.
+ (umindi3): Ditto.
+ (umaxdi3): Ditto.
+
+2009-06-23 Anatoly Sokolov <aesok@post.ru>
+
+ * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
+ extra_objs.
+ * config/avr/avr.c (avr_current_device): New variable.
+ (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
+ (avr_arch, mcu_type_s): Move to avr.h.
+ * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
+ default_data_section_start fields.
+ (avr_arch): Moved from avr.c.
+ (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
+ library_name fields.
+ (avr_current_device, avr_mcu_types, avr_arch_types,
+ avr_device_to_arch, avr_device_to_data_start,
+ avr_device_to_startfiles, avr_device_to_devicelib): Declare.
+ (EXTRA_SPEC_FUNCTIONS): Define.
+ (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
+ options mapping. Use device_to_arch and device_to_data_start insted.
+ (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
+ (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
+ * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
+ * config/avr/driver-avr.c: New file.
+ * config/avr/avr-devices.c: New file.
+
+2009-06-23 Jakub Jelinek <jakub@redhat.com>
+
+ * var-tracking.c (unshare_variable): Force initialized to
+ be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
+ (set_variable_part): Likewise.
+ (struct variable_union_info): Remove pos_src field.
+ (vui_vec, vui_allocated): New variables.
+ (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
+ unconditionally. Avoid XCVECNEW/free for every sorting, for dst_l
+ == 1 use a simpler sorting algorithm. Compute pos field right
+ away, don't fill in pos_src. For dst_l == 2 avoid qsort.
+ Avoid quadratic comparison if !flag_var_tracking_uninit.
+ (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
+ unshare_variable unconditionally.
+ (dataflow_set_different_2): Removed.
+ (dataflow_set_different): Don't traverse second hash table.
+ (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
+ unconditionally to var_reg_set or var_mem_set.
+ (emit_notes_in_bb): Likewise.
+ (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
+ unshare_variable.
+ (emit_note_insn_var_location): Don't set initialized to
+ VAR_INIT_STATUS_INITIALIZED early.
+ (vt_finalize): Free vui_vec if needed, clear vui_vec and
+ vui_allocated.
+ * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
+
+ * tree-object-size.c (addr_object_size): Instead of checking
+ for non-NULL TREE_CHAIN of the FIELD_DECL check that there
+ are no FIELD_DECLs following it.
+
+2009-06-23 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
+ order to match bswaps with signed source operands.
+
+2009-06-23 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * sdbout.c (sdbout_one_type): Fix braces in switch.
+
2009-06-23 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (struct variable_info): Add is_global_var
2009-06-22 Ian Lance Taylor <iant@google.com>
- * config/rs6000/rs6000.opt: Move msched-epilog before
- msched-prolog.
+ * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
2009-06-22 Steven Bosscher <steven@gcc.gnu.org>
2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/40482
- * config/arm/arm.c (thumb_shiftable_const): Truncate val to
- 32 bits.
+ * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
* config/arm/arm.md: Likewise.
-2009-06-19 Ian Lance Taylor <ian@airs.com>
+2009-06-19 Ian Lance Taylor <iant@google.com>
* tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
to GIMPLE_ERROR_MARK.
* c-typeck.c (build_conditional_expr): Add op1_original_type and
- op2_original_type parameters. Warn about using different enum
- types.
+ op2_original_type parameters. Warn about using different enum types.
* c-parser.c (c_parser_conditional_expression): Pass original
types to build_conditional_expr.
* c-tree.h (build_conditional_expr): Update declaration.
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