+2011-01-22 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/43884
+ PR lto/44334
+ * predict.c (maybe_hot_frequency_p): Use entry block frequency as an base.
+ * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
+
+2011-01-22 Anatoly Sokolov <aesok@post.ru>
+
+ * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
+ * config/s390/s390.c (s390_register_move_cost,
+ s390_memory_move_cost): New.
+ (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
+
+2011-01-22 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ PR middle-end/47401
+ * except.c (sjlj_assign_call_site_values): Move setting the
+ crtl->uses_eh_lsda flag to ...
+ (sjlj_mark_call_sites): ... here.
+ (sjlj_emit_function_enter): Support NULL dispatch label.
+ (sjlj_build_landing_pads): In a function with no landing pads
+ that still has must-not-throw regions, generate code to register
+ a personality function with empty LSDA.
+
+2011-01-21 Richard Henderson <rth@redhat.com>
+
+ * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
+
+ * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
+
+ * compare-elim.c: New file.
+ * Makefile.in (OBJS-common): Add it.
+ (compare-elim.o): New.
+ * common.opt (fcompare-elim): New.
+ * opts.c (default_options_table): Add OPT_fcompare_elim.
+ * tree-pass.h (pass_compare_elim_after_reload): New.
+ * passes.c (init_optimization_passes): Add it.
+ * recog.h: Protect against re-inclusion.
+ * target.def (TARGET_FLAGS_REGNUM): New POD hook.
+ * doc/invoke.texi (-fcompare-elim): Document it.
+ * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
+ * doc/tm.texi: Rebuild.
+
+2011-01-22 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (cstoresf4): Pass comparison operator to
+ rx_split_fp_compare.
+
+2011-01-22 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (UNSPEC_CONST): New.
+ (deallocate_and_return): Wrap the amount popped off the stack in
+ an UNSPEC_CONST in order to stop it being rejected by
+ -mmax-constant-size.
+ (pop_and_return): Add a "(return)" rtx.
+ (call): Drop the immediate operand.
+ (call_internal): Likewise.
+ (call_value): Likewise.
+ (call_value_internal): Likewise.
+ (sibcall_internal): Likewise.
+ (sibcall_value_internal): Likewise.
+ (sibcall): Likewise. Generate an explicit call using
+ sibcall_internal.
+ (sibcall_value): Likewise.
+ (mov<>): FAIL if a constant operand is not legitimate.
+ (addsi3_unpsec): New pattern.
+
+ * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
+ CONSTs.
+ (ok_for_max_constant): New function.
+ (gen_safe_add): New function.
+ (rx_expand_prologue): Use gen_safe_add.
+ (rx_expand_epilogue): Likewise.
+ (rx_is_legitimate_constant): Use ok_for_max_constant. Handle
+ UNSPEC CONSTs.
+
+2011-01-21 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/47053
+ * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
+ (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
+ statements are deleted.
+ (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP. If NEED_EH_CLEANUP
+ is nonempty, then purge dead edges and cleanup the CFG.
+
+2011-01-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/47402
+ Temporarily revert:
+ 2011-01-21 Alexandre Oliva <aoliva@redhat.com>
+ PR debug/47106
+ * tree-dfa.c (create_var_ann): Mark variable as used.
+
+2011-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/45566
+ * except.c (convert_to_eh_region_ranges): Emit queued no-region
+ notes from other section in hot/cold partitioning even if
+ last_action is -3. Increment call_site_base.
+
+ PR rtl-optimization/47366
+ * fwprop.c (forward_propagate_into): Return bool. If
+ any changes are made, -fnon-call-exceptions is used and
+ REG_EH_REGION note is present, call purge_dead_edges
+ and return true if it purged anything.
+ (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
+ any EH edges were purged.
+
+2011-01-21 Jeff Law <law@redhat.com>
+
+ PR rtl-optimization/41619
+ * caller-save.c (setup_save_areas): Break out code to determine
+ which hard regs are live across calls by examining the reload chains
+ so that it is always used.
+ Eliminate code which checked REG_N_CALLS_CROSSED.
+
+2011-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/47355
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
+ NOP has non-debug uses beyond PHIs in new_bb.
+
+2011-01-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/47106
+ * cfgexpand.c (account_used_vars_for_block): Only account vars
+ that are annotated as used.
+ (estimated_stack_frame_size): Don't set TREE_USED.
+ * tree-dfa.c (create_var_ann): Mark variable as used.
+
+2011-01-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/47395
+ * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
+
+2011-01-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/47365
+ * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
+ (vn_reference_lookup_pieces): Adjust.
+ (vn_reference_lookup): Likewise.
+ * tree-ssa-sccvn.c (vn_walk_kind): New static global.
+ (vn_reference_lookup_3): Only look through kills if in
+ VN_WALKREWRITE mode.
+ (vn_reference_lookup_pieces): Adjust.
+ (vn_reference_lookup): Likewise.
+ (visit_reference_op_load): Likewise.
+ (visit_reference_op_store): Likewise.
+ * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
+ (compute_avail): Likewise.
+ (eliminate): Likewise.
+
+2011-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
+ DECL_IGNORED_P non-reg vars if they are used.
+
+ PR tree-optimization/47391
+ * varpool.c (const_value_known_p): Return false if
+ decl is volatile.
+
+2011-01-21 Kai Tietz <kai.tietz@onevision.com>
+
+ PR bootstrap/47215
+ * config/i386/i386.c (ix86_local_alignment): Handle
+ case for va_list_type_node is nil.
+ (ix86_canonical_va_list_type): Likewise.
+
+2011-01-21 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
+ builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
+
+2011-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ * config/arm/arm.md (define_attr type): Rename f_load
+ and f_store to f_fpa_load and f_fpa_store. Update.
+ (write_conflict): Deal with rename fallout.
+ (*push_fp_multi): Likewise.
+ * config/arm/fpa.md (f_load): Use f_fpa_load.
+ (f_store): Use f_fpa_store.
+ (*movsf_fpa): Likewise.
+ (*movdf_fpa): Likewise.
+ (*movxf_fpa): Likewise.
+ (*thumb2_movsf_fpa): Likewise.
+ (*thumb2_movdf_fpa): Likewise.
+ (*thumb2_movxf_fpa): Likewise.
+ * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
+ f_loadd and f_stored.
+ (*thumb2_movdi_vfp): Likewise.
+ (*thumb2_movsf_vfp): Fix attribute to f_loads.
+ (*thumb2_movsi_vfp): Likewise.
+ * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
+ Use f_loads instead of f_load.
+ * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
+
+2011-01-20 Anatoly Sokolov <aesok@post.ru>
+
+ * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
+ * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
+ * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
+ (xtensa_mode_dependent_address_p): New function.
+ (constantpool_address_p): Make static. Change return type to bool.
+ Change argument type to const_rtx. Use CONST_INT_P predicate.
+
+2011-01-20 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/46583
+ * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
+
+2011-01-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/47283
+ * cfgexpand.c (expand_debug_expr): Instead of generating
+ (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
+ etc. handling.
+
+2011-01-20 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/47370
+ * tree-inline.c (remap_gimple_op_r): Recurse manually for
+ the pointer operand of MEM_REFs.
+
+2011-01-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/46130
+ * ipa-split.c (consider_split): If return_bb contains non-virtual
+ PHIs other than for retval or if split_function would not adjust it,
+ refuse to split.
+
+2011-01-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/47167
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
+ Revert previous change, only avoid enumeral type changes.
+
+2011-01-19 Dodji Seketeli <dodji@redhat.com>
+
+ PR c++/47291
+ * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
+ (gen_scheduled_generic_parms_dies): New functions.
+ (gen_struct_or_union_type_die): Schedule template parameters DIEs
+ generation for the end of CU compilation.
+ (dwarf2out_finish): Generate template parameters DIEs here.
+
+2011-01-19 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/46240
+ * tree-into-ssa.c (maybe_register_def): Do not attempt to add
+ debug bind stmt on merge edges.
+
+2011-01-19 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/47079
+ PR debug/46724
+ * function.c (instantiate_expr): Instantiate incoming rtl of
+ implicit arguments, and recurse on VALUE_EXPRs.
+ (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
+ * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
+
+2011-01-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * c-parser.c (c_parser_for_statement): Initialize
+ collection_expression.
+
+2011-01-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
+
+2011-01-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
+ (LINK_SHLIB_SPEC): Don't use %(link_path).
+ (SUBTARGET_EXTRA_SPECS): Remove link_path.
+
+2011-01-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
+ (NO_SHARED_LIB_SUPPORT): Remove.
+ (LINK_SHLIB_SPEC): Remove one conditional definition.
+
+2011-01-19 Joseph Myers <joseph@codesourcery.com>
+
+ * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
+ %{call_shared}.
+ * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
+ * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
+ * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
+ %{call_shared} and conditionals on these options not being passed.
+ * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
+ %{call_shared}.
+
+2011-01-19 Jakub Jelinek <jakub@redhat.com>
+
+ * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
+ simplify.
+
+ * ipa-split.c: Spelling fixes.
+
2011-01-19 Richard Henderson <rth@redhat.com>
+ * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
+ (*mulsi3): Likewise.
+
+ * longlong.h [__mn10300__] (count_leading_zeros): New.
+ [__mn10300__] (umul_ppmm, smul_ppmm): New.
+ [__mn10300__] (add_ssaaaa, subddmmss): New.
+ [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
+ [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
+
+2011-01-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
+
+2011-01-19 Richard Henderson <rth@redhat.com>
+
+ * config/mn10300/mn10300.md (addsi3_flags): New.
+ (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
+ (subsi3_flags, subc_internal, subdi3): New.
+ (subdi3_internal, *subdi3_degenerate): New.
+ * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
+
+ * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
+ (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
+ (mn10300_expand_epilogue): Use it. Compute REG_SAVE_BYTES once.
+ * config/mn10300/mn10300-protos.h: Update.
+ * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
+ (return_ret): Likewise. Rename from return_internal_regs.
+ (return_internal): Remove.
+
+ * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
+ (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
+ (mn10300_legitimate_constant_p): Likewise.
+ (mn10300_can_use_return_insn): Use mn10300_initial_offset.
+ (mn10300_frame_size): New.
+ (mn10300_expand_prologue): Use it.
+ (mn10300_expand_epilogue): Likewise.
+ (mn10300_initial_offset): Likewise.
+ * config/mn10300/mn10300-protos.h: Update.
+ * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
+ * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
+ (prologue, epilogue, return_internal): Tidy output code.
+ (mn10300_store_multiple_operation, return): Likewise.
+ (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
+ (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
+ (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
+ (load_pic, am33_load_pic): New.
+ (mn10300_load_pic0, mn10300_load_pic1): New.
+
+ * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
+ * config/mn10300/mn10300.c (CC_FLAG_Z): New.
+ (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
+ (cc_flags_for_mode, cc_flags_for_code): New.
+ (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
+ overflow flag is not valid. Validate that the flags we need
+ for the comparison are valid.
+ (mn10300_output_cmp): Remove.
+ (mn10300_output_add): New.
+ (mn10300_select_cc_mode): Use cc_flags_for_code.
+ (mn10300_split_cbranch): New.
+ (mn10300_match_ccmode): New.
+ (mn10300_split_and_operand_count): New.
+ * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
+ to the function.
+ * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
+ (addsi3): ... here. Use mn10300_output_add.
+ (*addsi3_flags): New.
+ (*am33_subsi3, *mn10300_subsi3): Merge...
+ (subsi3): ... here. Use attribute isa.
+ (*subsi3_flags): New.
+ (negsi2): Rewrite from expander to insn_and_split. Use NOT+INC
+ when possible.
+ (*am33_andsi3, *mn10300_andsi3): Merge...
+ (andsi3): ... here.
+ (*andsi3_flags): New.
+ (andsi3 splitters): New.
+ (*am33_iorsi3, *mn10300_iorsi3): Merge...
+ (iorsi3): ... here.
+ (*iorsi3_flags): New.
+ (*am33_xorsi3, *mn10300_xorsi3): Merge...
+ (xorsi3): ... here.
+ (*xorsi3_flags): New.
+ (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
+ (one_cmplsi2): ... here.
+ (*one_cmplsi2_flags): New.
+ (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload. Use "r"
+ instead of "dax" in constraints. Use mn10300_split_cbranch.
+ (*cmpsi): Rename from cmpsi. Do not use mn10300_output_cmp. Do not
+ use matching constraints to eliminate a self-comparison.
+ (*integer_conditional_branch): Rename from integer_conditional_branch.
+ Use int_mode_flags to match CC_REG.
+ (*cbranchsi4_btst, *btstsi): New.
+ (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload. Use
+ mn10300_split_cbranch.
+ (*am33_cmpsf): Rename from am33_cmpsf.
+ (*float_conditional_branch): Rename from float_conditional_branch.
+ (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
+ (zero_extendqisi2): ... here.
+ (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
+ (zero_extendhisi2): ... here.
+ (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
+ (extendqisi2): ... here.
+ (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
+ (extendhisi2): ... here.
+ (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
+ (ashlsi3): ... here.
+ (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
+ (lshrsi3): ... here.
+ (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
+ (ashrsi3): ... here.
+ (consecutive add peephole): Remove.
+ * config/mn10300/predicates.md (label_ref_operand): New.
+ (int_mode_flags): New.
+ (CCZN_comparison_operator): New.
+
* config/mn10300/mn10300.md (UNSPEC_EXT): New.
(throughput_42_latency_43): New reservation.
(mulsidi3, umulsidi3): New expanders.
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