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* alias.c (memrefs_conflict_p): If x and y are the same VALUE,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index d85bc4b..e70da71 100644 (file)
+2010-04-16  Jakub Jelinek  <jakub@redhat.com>
+
+       * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
+       don't call get_addr on both.  If one expression is a VALUE and
+       the other a REG, check VALUE's locs if the REG isn't among them.
+
+2010-04-16  Christian Bruel  <christian.bruel@st.com>
+
+       * config/sh/sh.h (sh_frame_pointer_required): New function.
+       * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
+       (flag_omit_frame_pointer) Set.
+       (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
+       (rounded_frame_size): Adjust size with outgoing_args_size.
+       (sh_set_return_address): Must return from stack pointer.
+       * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
+       (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
+       (ACCUMULATE_OUTGOING_ARGS): Define.
+       * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
+       * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
+
+2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/43471
+       * config/sh/sh.c (sh_legitimize_reload_address): Use
+       MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
+       Remove a unneeded check for offset_base.
+
+2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * configure: Regenerated.
+
+2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+       * config/s390/s390.c (s390_call_save_register_used): Switch back
+       to HARD_REGNO_NREGS.
+
+2010-04-15  Richard Guenther  <rguenther@suse.de>
+
+       * alias.c (alias_set_subset_of): Handle alias-set zero
+       child properly.
+
+2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
+           Julian Brown  <julian@codesourcery.com>
+
+       * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
+       alternatives according to use of high and low regs.
+       * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
+       * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
+       optimizing for size on Thumb-2.
+
+2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
+
+       * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
+
+2010-04-15  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-structalias.c (struct variable_info): Add
+       is_fn_info flag.
+       (new_var_info): Initialize it.
+       (dump_constraints): Support printing last added constraints.
+       (debug_constraints): Adjust.
+       (dump_constraint_graph): Likewise.
+       (make_heapvar_for): Check for NULL cfun.
+       (get_function_part_constraint): New function.
+       (get_fi_for_callee): Likewise.
+       (find_func_aliases): Properly implement IPA PTA constraints.
+       (process_ipa_clobber): New function.
+       (find_func_clobbers): Likewise.
+       (insert_into_field_list_sorted): Remove.
+       (create_function_info_for): Properly allocate vars for IPA mode.
+       Do not use insert_into_field_list_sorted.
+       (create_variable_info_for): Properly generate constraints for
+       global vars in IPA mode.
+       (dump_solution_for_var): Always dump the solution.
+       (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
+       (find_what_var_points_to): Adjust.
+       (pt_solution_set): Change.
+       (pt_solution_ior_into): New function.
+       (pt_solution_empty_p): Export.
+       (pt_solution_includes_global): Adjust.
+       (pt_solution_includes_1): Likewise.
+       (pt_solutions_intersect_1): Likewise.
+       (dump_sa_points_to_info): Check some invariants.
+       (solve_constraints): Move constraint dumping ...
+       (compute_points_to_sets): ... here.
+       (ipa_pta_execute): ... and here.
+       (compute_may_aliases): Do not re-compute points-to info
+       locally if IPA info is available.
+       (ipa_escaped_pt): New global var.
+       (ipa_pta_execute): Properly implement IPA PTA.
+       * tree-into-ssa.c (dump_decl_set): Support dumping
+       decls not in referenced-vars.
+       * tree-flow.h (struct gimple_df): Add ipa_pta flag.
+       * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
+       (dump_points_to_solution): Likewise.
+       * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
+       * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
+       (remap_gimple_stmt): Reset call clobber/use information if
+       necessary.
+       (copy_decl_to_var): Copy DECL_PT_UID.
+       (copy_result_decl_to_var): Likewise.
+       * tree.c (make_node_stat): Initialize DECL_PT_UID.
+       (copy_node_stat): Copy it.
+       * tree.h (DECL_PT_UID): New macro.
+       (SET_DECL_PT_UID): Likewise.
+       (DECL_PT_UID_SET_P): Likewise.
+       (struct tree_decl_minimal): Add pt_uid member.
+       * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
+       (pt_solution_empty_p): Declare.
+       (pt_solution_set): Adjust.
+       (ipa_escaped_pt): Declare.
+       * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
+       * gimple-pretty-print.c (pp_points_to_solution): New function.
+       (dump_gimple_call): Dump call clobber/use information.
+       * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
+       * tree-pass.h (TDF_ALIAS): New dump option.
+       * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
+       * doc/invoke.texi (-fipa-pta): Update documentation.
+
+2010-04-15  Richard Guenther  <rguenther@suse.de>
+
+       * Makefile.in (OBJS-common): Add gimple-fold.o.
+       (gimple-fold.o): New rule.
+       * tree.h (maybe_fold_offset_to_reference,
+       maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
+       prototypes ...
+       * gimple.h: ... here.
+       * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
+       may_propagate_address_into_dereference): Move prototypes ...
+       * gimple.h: ... here.
+       * tree-ssa-ccp.c (get_symbol_constant_value,
+       may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
+       maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
+       maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
+       maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
+       ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
+       fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
+       gimplify_and_update_call_from_tree): Move ...
+       * gimple-fold.c: ... here.  New file.
+       (ccp_fold_builtin): Rename to ...
+       (gimple_fold_builtin): ... this.
+       * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
+
+2010-04-15  Richard Guenther  <rguenther@suse.de>
+
+       * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
+       fit_double_type, force_fit_type_double, add_double_with_sign,
+       neg_double, mul_double_with_sign, lshift_double, rshift_double,
+       lrotate_double, rrotate_double, div_and_round_double): Move ...
+       * double-int.c: ... here.
+       * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
+       add_double, neg_double, mul_double_with_sign, mul_double,
+       lshift_double, rshift_double, lrotate_double, rrotate_double,
+       div_and_round_double): Move prototypes ...
+       * double-int.h: ... here.
+
+2010-04-15  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+
+       PR target/43742
+       * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
+       matching constraints to ensure inputs match the output.
+
+2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/43742
+       * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
+       in an input-only operand.       
+
+2010-04-15  Anatoly Sokolov  <aesok@post.ru>
+
+       * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
+       (double_int_not, double_int_lshift, double_int_rshift): Declare.
+       (double_int_negative_p): Convert to static inline function.
+       * double-int.c (double_int_lshift, double_int_lshift): Add new function.
+       (double_int_negative_p): Remove.
+       * tree.h (lshift_double, rshift_double): 
+       * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
+       * fold-const.c (fold_convert_const_int_from_real,
+       fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
+       (lshift_double): Change type of arith argument to bool.
+       (rshift_double): Change type of arith argument to bool. Correct
+       comment.
+       * expmed.c (mask_rtx, lshift_value): (Ditto.).
+
+2010-04-14  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+       
+       PR target/21803
+       * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
+       at the start and end of the then/else blocks, and omit them from the
+       conversion.
+       * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
+       argument; all callers changed.  Pass zero to old_insns_match_p instead.
+       (flow_find_head_matching_sequence): New function.
+       (old_insns_match_p): Check REG_EH_REGION notes for calls.
+       * basic-block.h (flow_find_cross_jump,
+       flow_find_head_matching_sequence): Declare functions.
+
+2010-04-14  Jason Merrill  <jason@redhat.com>
+
+       PR c++/36625
+       * c-common.c (attribute_takes_identifier_p): New fn.
+       * c-common.h: Declare it.
+
+2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
+       splitter condition.
+       (*udivmod<mode>4): Ditto.
+
+2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (maxmin_int): Rename code attribute from
+       maxminiprefix and update all users.
+       (maxmin_float): Ditto from maxminfprefix.
+       (logic): Ditto from logicprefix.
+       (absneg_mnemonic): Ditto from absnegprefix.
+       * config/i386/mmx.md: Update all users of maxminiprefix,
+       maxminfprefix and loficprefix for rename.
+       * config/i386/sse.md: Ditto.
+       * config/i386/sync.md (sync_<code><mode>): Update for
+       logicprefix rename.
+
+2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+
+       PR 42966
+       * diagnostics.c (diagnostic_report_diagnostic): Mark specially
+       warnings converted to errors.
+
+2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
+       used insn_type variable.
+       (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
+       to avoid set-but-not-used warning.
+
+2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * df-core.c (df_ref_debug): Change format string placeholder
+       from 0x%x to %#x.
+       * dwarf2asm.c (dw2_asm_output_data_raw,
+       dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
+       dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
+       * dwarf2out.c (output_cfi, output_cfi_directive,
+       dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
+       output_cfa_loc_raw, output_die, output_ranges, output_file_names):
+       Ditto.
+       * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
+       * print-rtl.c (print_rtx): Ditto.
+
+2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+       PR middle-end/42694
+       * builtins.c (expand_builtin_pow_root): New function to expand pow
+       calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
+       series of sqrt and cbrt calls under -ffast-math.
+       (expand_builtin_pow): Call it.
+
+2010-04-14  Michael Matz  <matz@suse.de>
+
+       PR tree-optimization/42963
+       * tree-cfg.c (touched_switch_bbs): New static variable.
+       (group_case_labels_stmt): New function broken out from ...
+       (group_case_labels): ... here, use the above.
+       (start_recording_case_labels): Allocate touched_switch_bbs.
+       (end_recording_case_labels): Deallocate it, call
+       group_case_labels_stmt.
+       (gimple_redirect_edge_and_branch): Remember index of affected BB.
+
+2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
+       from insn template.
+
+2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
+
+2010-04-13  Jan Hubicka  <jh@suse.cz>
+
+       * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
+       of optimized out static functions.
+       (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
+       cost computation.  Also sanity check for overflows.
+       (update_caller_keys): Update cgraph_edge_badness call; properly
+       update fibheap and sanity check that it is up to date.
+       (add_new_edges_to_heap): Update cgraph_edge_badness.
+       (cgraph_decide_inlining_of_small_function): Likewise;
+       add sanity checking that badness in heap is up to date;
+       improve dumping of reason; Update badness of calls to the
+       offline copy of function currently inlined; dump badness
+       of functions not inlined because of unit growth limits.
+
+2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR middle-end/32628
+       * c-common.c (pointer_int_sum): Disregard overflow that occured only
+       because of sign-extension change when converting to sizetype here...
+       * fold-const.c (fold_convert_const_int_from_int): ...and not here.
+
+       * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
+       the folding to constants.  Remove redundant final conversion.
+       (fold_binary) <associate>: Do not associate if the re-association of
+       constants alone overflows.
+       (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
+       to the end of the list.
+       (multiple_of_p) <COND_EXPR>: New case.
+
+2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+
+       * opt-functions.awk (opt_sanitized_name): New.
+       (opt_enum): New.
+       * optc-gen.awk: Use it
+       * opth-gen.awk: Use it.
+
+2010-04-13  Martin Jambor  <mjambor@suse.cz>
+
+       * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
+       (sra_modify_assign): Delete stmts loading dead data even if racc has no
+       children.  Call replace_uses_with_default_def_ssa_name to handle
+       SSA_NAES on lhs.
+
+2010-04-13  Michael Matz  <matz@suse.de>
+
+       PR middle-end/43730
+       * builtins.c (expand_builtin_interclass_mathfn): Also create
+       a register if the predicate doesn't match.
+
+2010-04-13  Diego Novillo  <dnovillo@google.com>
+
+       * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
+       * c-pch.c: Include timevar.h.
+       (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
+       (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
+       * ggc-common.c: Include timevar.h.
+       (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
+       * timevar.def (TV_PCH_SAVE): Define.
+       (TV_PCH_CPP_SAVE): Define.
+       (TV_PCH_PTR_REALLOC): Define.
+       (TV_PCH_PTR_SORT): Define.
+       (TV_PCH_RESTORE): Define.
+       (TV_PCH_CPP_RESTORE): Define.
+
+2010-04-13  Michael Matz  <matz@suse.de>
+
+       * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
+       into MINUS_EXPRs.
+       (can_reassociate_p): New function.
+       (break_up_subtract_bb, reassociate_bb): Use it.
+
+2010-04-13  Richard Guenther  <rguenther@suse.de>
+
+       PR bootstrap/43737
+       * builtins.c (c_readstr): Fix assert.
+
+2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
+       when generating cltd insn.
+
+       (*ashl<mode>3_1): Remove special handling for register operand 2.
+       (*ashlsi3_1_zext): Ditto.
+       (*ashlhi3_1): Ditto.
+       (*ashlhi3_1_lea): Ditto.
+       (*ashlqi3_1): Ditto.
+       (*ashlqi3_1_lea): Ditto.
+       (*<shiftrt_insn><mode>3_1): Ditto.
+       (*<shiftrt_insn>si3_1_zext): Ditto.
+       (*<shiftrt_insn>qi3_1_slp): Ditto.
+       (*<rotate_insn><mode>3_1): Ditto.
+       (*<rotate_insn>si3_1_zext): Ditto.
+       (*<rotate_insn>qi3_1_slp): Ditto.
+
+2010-04-13  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-structalias.c (callused_id): Remove.
+       (call_stmt_vars): New.
+       (get_call_vi): Likewise.
+       (lookup_call_use_vi): Likewise.
+       (lookup_call_clobber_vi): Likewise.
+       (get_call_use_vi): Likewise.
+       (get_call_clobber_vi): Likewise.
+       (make_transitive_closure_constraints): Likewise.
+       (handle_const_call): Adjust to do per-call call-used handling.
+       (handle_pure_call): Likewise.
+       (find_what_var_points_to): Remove general callused handling.
+       (init_base_vars): Likewise.
+       (init_alias_vars): Initialize call_stmt_vars.
+       (compute_points_to_sets): Process call-used and call-clobbered
+       vars for call statements.
+       (delete_points_to_sets): Free call_stmt_vars.
+
+2010-04-13  Richard Guenther  <rguenther@suse.de>
+
+       * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
+       Only add RW dependence for dependence distance zero.
+       Adjust maximal vectorization factor according to dependences.
+       Move alignment handling ...
+       (vect_find_same_alignment_drs): ... here.  New function.
+       (vect_analyze_data_ref_dependences): Adjust.
+       (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
+       (vect_analyze_data_refs): Adjust minimal vectorization factor
+       according to data references.
+       * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
+       dependences before determining the vectorization factor.
+       Analyze alignment after determining the vectorization factor.
+       * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
+       dependences before alignment.
+       * tree-vectorizer.h (vect_analyze_data_ref_dependences):
+       Adjust prototype.
+       (vect_analyze_data_refs): Likewise.
+       (MAX_VECTORIZATION_FACTOR): New define.
+
+2010-04-13  Duncan Sands  <baldrick@free.fr>
+
+       * except.h (lang_eh_type_covers): Remove.
+       * except.c (lang_eh_type_covers): Likewise.
+
+2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+           Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
+       * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
+       UNITS_PER_LONG where it is ABI relevant.
+       (s390_return_addr_rtx): Likewise.
+       (s390_back_chain_rtx): Likewise.
+       (s390_frame_area): Likewise.
+       (s390_frame_info): Likewise.
+       (s390_initial_elimination_offset): Likewise.
+       (save_gprs): Likewise.
+       (s390_emit_prologue): Likewise.
+       (s390_emit_epilogue): Likewise.
+       (s390_function_arg_advance): Likewise.
+       (s390_function_arg): Likewise.
+       (s390_va_start): Likewise.
+       (s390_gimplify_va_arg): Likewise.
+       (s390_function_profiler): Likewise.
+       (s390_optimize_prologue): Likewise.
+       (s390_rtx_costs): Likewise.
+       (s390_secondary_reload): Likewise.
+       (s390_promote_function_mode): Likewise.
+       (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
+       (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
+       registers available.
+       (s390_unwind_word_mode): New function.
+       (s390_function_value): Split 64 bit values into register pair if
+       used as return value.
+       (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
+       function call parameters.  Handle parallels.
+       (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
+       (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
+       (DWARF_CIE_DATA_ALIGNMENT): New macro.
+       (s390_expand_setmem): Remove unused variable src_addr.
+       * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
+       deal with 64 bit registers.
+       * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
+       Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
+       (UNITS_PER_LONG): New macro.
+       * libjava/include/s390-signal.h: Define extended ucontext
+       structure containing the upper halfs of the 64 bit registers.
+
+2010-04-13  Simon Baldwin  <simonb@google.com>
+
+       * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
+
+2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
+       rvalue on the RHS if the LHS is of a non-renamable type.
+       * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
+
+2010-04-13  Matthias Klose  <doko@ubuntu.com>
+
+       * gcc.c (cc1_options): Handle -iplugindir before processing
+       the cc1 spec. Only add -iplugindir once.
+       (cpp_unique_options): Add -iplugindir option if -fplugin* options
+       found.
+       * common.opt (iplugindir): Remove `Separate' property, initialize.
+       * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
+       option.
+       * Makefile.in (check-%, check-parallel-%): Create plugin dir.
+       (distclean): Remove plugin dir.
+       * doc/invoke.texi: Document -iplugindir.
+
+2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
+
+       * doc/plugins.texi (Loading Plugins): Document short
+       -fplugin=foo option.
+       (Plugin API): Mention default_plugin_dir_name function.
+
+       * gcc.c (find_file_spec_function): Add new declaration.
+       (static_spec_func): Use it for "find-file".
+       (find_file_spec_function): Add new function.
+       (cc1_options): Add -iplugindir option if -fplugin* options found.
+
+       * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
+
+       * plugin.c (add_new_plugin): Updated comment, and handle short
+       plugin name.
+       (default_plugin_dir_name): Added new function.
+
+       * common.opt (iplugindir): New option to set the plugin directory.
+
+2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (any_rotate): New code iterator.
+       (rotate_insn): New code attribute.
+       (rotate): Ditto.
+       (SWIM124): New mode iterator.
+       (<rotate_insn>ti3): New expander.
+       (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
+       any_rotate code iterator.
+       (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
+       using any_rotate code iterator and SWIM124 mode iterator.
+       (ix86_rotlti3): New insn_and_split pattern.
+       (ix86_rotrti3): Ditto.
+       (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
+       ix86_rotl{di,ti}3 patterns.
+       (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
+       (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
+       and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
+       *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
+       code iterator and SWI mode iterator.
+       (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
+       Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
+       code iterator.
+       (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
+       Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
+       (bswap rotatert splitter): Add splitter.
+       (bswap splitter): Macroize splitter using any_rotate code iterator.
+       Add insn predicate to split only for TARGET_USE_XCHGB or when
+       optimizing function for size.
+
+2010-04-12  Steve Ellcey  <sje@cup.hp.com>
+
+       * config/pa/pa.c (emit_move_sequence): Remove use of
+       deleted variable flag_argument_noalias.
+
+2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config.gcc: Removed *-*-solaris2.7* from list of obsolete
+       configurations.
+       Add to unsupported targets list.
+       * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
+       sparc*-sun-solaris2.[567]* from target lists.
+       * configure: Regenerate.
+       * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
+       removal.
+       Remove Solaris 7 patch references.
+       (Specific, sparc-sun-solaris2.7): Removed.
+       (sparc-sun-solaris2*): Update Solaris 7 example.
+       (sparc64-*-solaris2*): Likewise.
+
+2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config.build (alpha*-dec-osf4*): Remove.
+       * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
+       of obsolete configurations.
+       (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
+       support.
+       * config/alpha/t-osf4: Renamed to ...
+       * config/alpha/t-osf5: ... this.
+       * config/alpha/osf.h: Renamed to ...
+       * config/alpha/osf5.h: ... this.
+       Merged old osf5.h contents.
+       Update comments.
+       (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
+       (EXTRA_SPECS): Removed.
+       * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
+       reflect removal of Tru64 UNIX V4.0/V5.0 support.
+       Document that.
+
+2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * doc/contrib.texi (Contributors, Rainer Orth): Update.
+
+2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
+
+       PR/43702
+       * config/i386/i386.c (x86_this_parameter): Handle aggregate for
+       __thiscall convention.
+
+2010-04-12  Steve Ellcey  <sje@cup.hp.com>
+
+       * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
+       orig_base.
+       * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
+
+2010-04-12  Steve Ellcey  <sje@cup.hp.com>
+
+       * function.c (assign_parms_initialize_all): Add unused attribute
+       to fntype.
+
+2010-04-12  Richard Guenther  <rguenther@suse.de>
+
+       * gsstruct.def (GSS_CALL): New.
+       * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
+       * gimple.h: Include tree-ssa-alias.h.
+       (struct gimple_statement_call): New.
+       (union gimple_statement_struct_d): Add gimple_call member.
+       (gimple_call_reset_alias_info): Declare.
+       (gimple_call_use_set): New function.
+       (gimple_call_clobber_set): Likewise.
+       * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
+       * gimple.c (gimple_call_reset_alias_info): New function.
+       (gimple_build_call_1): Call it.
+       * lto-streamer-in.c (input_gimple_stmt): Likewise.
+       * tree-inline.c (remap_gimple_stmt): Likewise.
+       (expand_call_inline): Remove callused handling.
+       * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
+       * tree-dfa.c (dump_variable): Likewise.
+       * tree-parloops.c (parallelize_loops): Likewise.
+       * tree-ssa.c (init_tree_ssa): Likewise.
+       (delete_tree_ssa): Likewise.
+       * tree-flow-inline.h (is_call_used): Remove.
+       * tree-flow.h (struct gimple_df): Remove callused member.
+       * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
+       * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
+       (ref_maybe_used_by_call_p_1): Simplify.
+       (call_may_clobber_ref_p_1): Likewise.
+       * tree-ssa-structalias.c (compute_points_to_sets): Set
+       the call stmt used and clobbered sets.
+       * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
+       (find_tail_calls): Verify the tail call.
+
+2010-04-12  Richard Guenther  <rguenther@suse.de>
+
+       * ipa.c (cgraph_postorder): Adjust postorder to guarantee
+       single-iteration always-inline inlining.
+       * ipa-inline.c (cgraph_mark_inline): Do not return anything.
+       (cgraph_decide_inlining): Do not handle always-inline specially.
+       (try_inline): Remove always-inline cycle detection special case.
+       Do not recurse on always-inlines.
+       (cgraph_early_inlining): Do not iterate if not optimizing.
+       (cgraph_gate_early_inlining): remove.
+       (pass_early_inline): Run unconditionally.
+       (gate_cgraph_decide_inlining): New function.
+       (pass_ipa_inline): Use it.  Do not run the IPA inliner if
+       not inlining or optimizing.
+       (cgraph_decide_inlining_of_small_functions): Also consider
+       always-inline functions.
+       (cgraph_default_inline_p): Return true for nodes which should
+       disregard inline limits.
+       (estimate_function_body_sizes): Assume zero size and time for
+       nodes which are marked as disregarding inline limits.
+       (cgraph_decide_recursive_inlining): Do not perform recursive
+       inlining on always-inline nodes.
+
+2010-04-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR bootstrap/43699
+       * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
+       for exprs satisfying handled_component_p.
+
+2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
+       non-constant aggregate elements.
+
+       * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
+       is a real initialization.
+
+2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
+
+       PR c/36774
+       * c-decl.c (start_function): Move forward check for nested function.
+
+2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
+       * config/sh/sh.c: Include reload.h.
+       (sh_legitimize_reload_address): New.
+       * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
+       sh_legitimize_reload_address.
+
+2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
+
+       * config/sh/sh.md (*movqi_pop): New insn pattern.
+       * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
+
+2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (any_shiftrt): New code iterator.
+       (shiftrt_insn): New code attribute.
+       (shiftrt): Ditto.
+       (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
+       using any_shiftrt code iterator.
+       (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
+       *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
+       (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
+       pattern from corresponding peephole2 patterns.
+       (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
+       using any_shiftrt code iterator.
+       (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
+       (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
+       (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
+       (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
+       *{ashr,lshr}<mode>3_cmp_zext.
+       (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
+
+2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
+       scratch register.
+       (*lshr<mode>3_cconly): Ditto.
+
+2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (lshr<mode>3): Macroize expander from
+       lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
+       (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
+       pattern from *lshr{di,ti}3_1 and corresponding splitters using
+       DWI mode iterator.
+       (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
+       from corresponding peephole2 patterns.
+       (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
+       *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
+       and *lshrdi3_1_rex64 using SWI mode iterator.
+       (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
+       (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
+       (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
+       *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
+       and *lshrdi3_cmp_rex64 using SWI mode iterator.
+       (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
+       (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
+       *lshrdi3_one_bit_cconly_rex64. Macroize insn from
+       *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
+       SWI mode iterator.
+
+2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (ashr<mode>3): Macroize expander from
+       ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
+       (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
+       pattern from *ashr{di,ti}3_1 and corresponding splitters using
+       DWI mode iterator.
+       (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
+       from corresponding peephole2 patterns.
+       (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
+       (ashrsi3_cvt): Rename from ashrsi3_31.
+       (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
+       (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
+       and x86_64_shift_adj_3 using SWI48 mode iterator.
+       (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
+       *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
+       and *ashrdi3_1_rex64 using SWI mode iterator.
+       (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
+       (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
+       (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
+       *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
+       and *ashrdi3_cmp_rex64 using SWI mode iterator.
+       (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
+       (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
+       *ashrdi3_one_bit_cconly_rex64. Macroize insn from
+       *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
+       SWI mode iterator.
+       (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
+       * config/i386/i386.c (ix86_split_ashr): Update for renamed
+       x86_shift<mode>_adj_3 expanders.
+
+2010-04-10  Wei Guozhi  <carrot@google.com>
+
+       PR target/42601
+       * config/arm/arm.c (arm_pic_static_addr): New function.
+       (legitimize_pic_address): Call arm_pic_static_addr when it detects
+       a static symbol.
+       (arm_output_addr_const_extra): Output expression for new pattern.
+       * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
+
+2010-04-10  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+
+       * ira-costs.c (record_reg_classes): Ignore alternatives that are
+       not enabled.
+
+       * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
+       * web.c: Include "insn-config.h" and "recog.h".
+       (union_match_dups): New function.
+       (web_main): Call it.
+       (union_defs): Don't try to recognize match_dups.
+
+       * reload1.c (eliminate_regs_in_insn): Don't restore an operand
+       if doing so would replace the entire pattern.
+
+2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/43707
+       PR target/43709
+       * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
+       and splitter pattern.  Change splitter operand 1 predicate to
+       nonmemory_operand.
+
+2010-04-09  Martin Jambor  <mjambor@suse.cz>
+
+       * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
+       lattices are addresses of CONST_DECLs with the same initial value.
+       (ipcp_print_all_lattices): Print values of CONST_DECLs.
+       * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
+
+2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
+           Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+
+       * loop-invariant.c (replace_uses): New static function.
+       (move_invariant_reg): Use it to ensure we can replace the uses.
+
+2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
+
+       * config/picochip/picochip.c (picochip_rtx_costs): Use correct
+       function template.
+       (picochip_override_options): Enable section anchors only above -O1.
+       (picochip_reorg): Fixed a couple of build warnings.
+
+2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * configure.ac (plugin -rdynamic test): Log result.
+       * configure: Regenerate.
+       * config/sol2.h (LINK_SPEC): Handle -rdynamic.
+       (RDYNAMIC_SPEC): Define.
+       * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
+
+2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * configure.ac: Determine Sun ld version numbers.
+       (comdat_group): Restrict GNU ld version checks to gld.
+       (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
+       (enable_comdat): Support --enable-comdat.
+       * configure: Regenerate.
+       * doc/install.texi (Configuration): Document --enable-comdat.
+
+2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
+       * config/sol2-gld.h: ... here.
+       * config.gcc (sparc*-*-solaris2*): Reflect this.
+       (i[34567]86-*-solaris2*): Use it.
+
+2010-04-09  Steve Ellcey  <sje@cup.hp.com>
+
+       * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
+       setup_clocks_p.
+       (final_emit_insn_group_barriers): Remove unused variable prev_insn.
+
+2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+
+       PR 42965
+       * diagnostic.c (diagnostic_initialize): Initialize
+       some_warnings_are_errors.
+       (diagnostic_finish): New.
+       (diagnostic_action_after_output): Call it before exiting.
+       (diagnostic_report_diagnostic): Do not print message here. Set
+       some_warnings_are_errors.
+       * diagnostic.h (diagnostic_context): Delete
+       issue_warnings_are_errors_message. Add some_warnings_are_errors.
+       (diagnostic_finish): Declare.
+       * toplev.c (toplev_main): Call it before exit.
+
+2010-04-09  Jason Merrill  <jason@redhat.com>
+
+       PR c++/42623
+       * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
+       for incomplete type.
+
+       PR c++/41788
+       * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
+       based on a warning flag.
+
+2010-04-09  Richard Guenther  <rguenther@suse.de>
+
+       * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
+
+2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
+
+       PR bootstrap/43684
+       * varasm.c (default_assemble_visibility): Wrap vars that are
+       set, but unused, by targets without GAS.
+       * config/rs6000/rs6000.c: (paired_emit_vector_compare):
+       Remove set, but unused, vars.
+       (rs6000_legitimize_tls_address): Likewise.
+       (altivec_expand_dst_builtin): Likewise.
+       * config/darwin.c (machopic_classify_symbol): Likewise.
+       (machopic_indirection_name): Likewise.
+
+2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (DWI): New mode iterator.
+       (S): New mode attribute.
+       (shift_operand): Ditto.
+       (shift_immediate_operand): Ditto.
+       (ashl_input_operand): Ditto.
+       (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
+       using SDWIM mode iterator.
+       (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
+       pattern from *ashl{di,ti}3_1 and corresponding splitters using
+       DWI mode iterator.
+       (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
+       from corresponding peephole2 patterns.
+       (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
+       and x86_64_shift_adj_1 using SWI48 mode iterator.
+       (x86_shift<mode>_adj_2): Ditto.
+       (*ashldi3_1_rex64): Split TYPE_LEA pattern.
+       (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
+       using SWI48 mode iterator.
+       (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
+       *ashldi3_cmp_rex64 using SWI mode iterator.
+       (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
+       *ashldi3_cconly_rex64 using SWI mode iterator.
+       * config/i386/i386.c (ix86_split_ashl): Update for renamed
+       x86_shift<mode>_adj_{1,2}.
+       (ix86_split_ashr): Ditto.
+       (ix86_split_lshr): Ditto.
+
+2010-04-09  Richard Guenther  <rguenther@suse.de>
+
+       * target.h (builtin_conversion): Pass in input and output types.
+       * targhooks.c (default_builtin_vectorized_conversion): Adjust.
+       * targhooks.h (default_builtin_vectorized_conversion): Likewise.
+       * tree-vect-stmts.c (vectorizable_conversion): Adjust.
+       * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
+
+       * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
+       Handle AVX modes.
+       * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
+
+2010-04-09  Richard Guenther  <rguenther@suse.de>
+
+       PR target/43152
+       * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
+
+2010-04-09  Richard Guenther  <rguenther@suse.de>
+
+       * tree-vectorizer.h (struct _stmt_vec_info): Document
+       that vectype is the type of the LHS.
+       (supportable_widening_operation, supportable_narrowing_operation):
+       Get both input and output vector types as arguments.
+       (vect_is_simple_use_1): Declare.
+       (get_same_sized_vectype): Likewise.
+       * tree-vect-loop.c (vect_determine_vectorization_factor):
+       Set STMT_VINFO_VECTYPE to the vector type of the def.
+       (vectorizable_reduction): Adjust.
+       * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
+       Adjust.  Specify the output vector type.
+       (vect_pattern_recog_1): Adjust.
+       * tree-vect-stmts.c (get_same_sized_vectype): New function.
+       (vectorizable_call): Adjust.
+       (vectorizable_conversion): Likewise.
+       (vectorizable_operation): Likewise.
+       (vectorizable_type_demotion): Likewise.
+       (vectorizable_type_promotion): Likewise.
+       (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
+       the def.
+       (vect_is_simple_use_1): New function.
+       (supportable_widening_operation): Get both input and output
+       vector types.
+       (supportable_narrowing_operation): Likewise.
+       * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
+
+2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
+       __thiscall and _thiscall as predefined macros.
+       * config/i386/i386.c (ix86_handle_cconv_attribute): Add
+       thiscall attribute handling.
+       (ix86_comp_type_attributes): Likewise.
+       (ix86_function_regparm): Likewise.
+       (ix86_return_pops_args): Likewise.
+       (init_cumulative_args): Likewise.
+       (find_drap_reg): Likewise.
+       (ix86_static_chain): Likewise.
+       (x86_this_parameter): Likewise.
+       (x86_output_mi_thunk): Likewise.
+       (ix86_attribute_table): Add description for thiscall attribute.
+       * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
+       * doc/extend.texi: Add documentation for thiscall.
+
+2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+
+       PR c++/28584
+       * c.opt (Wint-to-pointer-cast): Available in C++.
+       * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
+
+2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
+       * calls.c (expand_call): Pass the function type to aggregate_value_p.
+       * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
+       the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
+       function type instead.  Reorder and simplify checks.
+
+       * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
+
+2010-04-08  Jing Yu  <jingyu@google.com>
+           Zdenek Dvorak  <ook@ucw.cz>
+
+       PR tree-optimization/42720
+       * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
+       loop unswitch conditions here from ...
+       (tree_unswitch_single_loop): ... here.
+
+2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * tree-if-conv.c: Fix comments and simplify logic.
+
+2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
+       (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
+       (main_tree_if_conversion): Update call to tree_if_conversion.
+
+2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+
+       PR 42485
+       * doc/invoke.texi (-b,-V): Delete.
+       * doc/tm.texi: Do not mention -b.
+       * gcc.c (display_help): Delete -b and -V.
+       (process_command): Delete -b and -V.
+       * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
+
+2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
+           Wolfgang Gellerich  <gellerich@de.ibm.com>
+
+       Implement target hook for loop unrolling
+       * target.h (loop_unroll_adjust): Add a new target hook function.
+       * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
+       * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
+       * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
+       (s390_loop_unroll_adjust): Implement the new target hook for s390.
+       * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
+       target hook.
+       (decide_unroll_stupid): Likewise.
+
+2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       PR target/43643
+       * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
+
+2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
+       (Specific, *-*-solaris2*): Likewise.
+       Don't prefer Sun as over GNU as.
+
+2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
+
+       * config/s390/s390.c (override_options): Adjust the z10
+         defaults for max-unroll-times, max-completely-peeled-insns
+         and max-completely-peel-times.
+
+2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+       * config/s390/s390.c (s390_expand_movmem): Issue prefetch
+       instructions for z10.
+       (s390_expand_setmem): Likewise.
+       (s390_expand_cmpmem): Likewise.
+
+2010-04-08  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43679
+       * tree-ssa-pre.c (eliminate): Only propagate copies.
+
+2010-04-08  Jakub Jelinek  <jakub@redhat.com>
+
+       PR bootstrap/43681
+       * expr.c (block_move_libcall_safe_for_call_parm): Avoid
+       set but not used variable warning.
+
+2010-04-08  Wei Guozhi  <carrot@google.com>
+
+       PR target/41653
+       * config/arm/arm.c (thumb1_size_rtx_costs): New function.
+       (arm_size_rtx_costs): Call the new function when optimized for size.
+
+2010-04-08  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/43670
+       * cfgexpand.c (expand_debug_expr): If for non-NULL offset
+       op0 is not a MEM, just return NULL instead of assertion
+       failure.
+       (discover_nonconstant_array_refs): Don't walk debug stmts.
+
+2010-04-08  Doug Kwan  <dougkwan@google.com>
+
+       * configure.ac: Recognize gold and do not use its version number
+       to test ld features.
+       * configure: Regenerate.
+
+2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
+
+       PR middle-end/40815
+       * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
+       (negate_value): Move code to push elements to broken_up_substracts ...
+       (eliminate_plus_minus_pair): ... here.  Push operands that have no
+       negative pair to plus_negates.
+       (repropagate_negates, init_reassoc, fini_reassoc): Update.
+
+2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * doc/install.texi (Configuration): Move description of
+       --enable-lto, --with-libelf*, --enable-gold from Java section to
+       general section.
+
+       * doc/generic.texi (Working with declarations)
+       (Function Properties, C and C++ Trees): Fix typos.
+       * doc/sourcebuild.texi (Top Level): Likewise.
+
+2010-04-07  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c/18624
+       * tree.h (DECL_READ_P): Define.
+       (struct tree_decl_common): Add decl_read_flag.
+       * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
+       a set but not used warning.
+       (merge_decls): Merge DECL_READ_P flag.
+       (finish_decl, build_compound_literal): Set DECL_READ_P flag.
+       (finish_function): Issue -Wunused-but-set-parameter diagnostics.
+       * c-common.c (handle_used_attribute, handle_unused_attribute):
+       Likewise.
+       * c-tree.h (default_function_array_read_conversion, mark_exp_read):
+       New prototypes.
+       * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
+       New functions.
+       (default_conversion, c_process_expr_stmt): Call mark_exp_read.
+       * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
+       c_parser_binary_expression, c_parser_cast_expression,
+       c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
+       Call default_function_array_read_conversion instead of
+       default_function_array_conversion where needed.
+       (c_parser_unary_expression, c_parser_conditional_expression,
+       c_parser_postfix_expression_after_primary, c_parser_initelt):
+       Likewise.  Call mark_exp_read where needed.
+       (c_parser_statement_after_labels, c_parser_asm_operands,
+       c_parser_typeof_specifier, c_parser_sizeof_expression,
+       c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
+       where needed.
+       * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
+       New.
+       * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
+       (warn_unused_but_set_parameter): Default to warn_unused
+       && extra_warnings.
+       * doc/invoke.texi: Document -Wunused-but-set-variable and
+       -Wunused-but-set-parameter.
+
+       * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
+       used count variable.
+       * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
+       when operandN variables aren't used in the body of the expander
+       or splitter.
+       * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
+       FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
+       * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
+       * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
+       FOR_EACH_IMM_USE_ON_STMT): Likewise.
+       * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
+       * tree.c (PROCESS_ARG): Likewise.
+
+2010-04-07  Simon Baldwin  <simonb@google.com>
+
+       * diagnostic.h (diagnostic_override_option_index): New macro to
+       set a diagnostic's option_index.
+       * c-tree.h (c_cpp_error): Add warning reason argument.
+       * opts.c (_warning_as_error_callback): New.
+       (register_warning_as_error_callback): Store callback for
+       warnings enabled via enable_warning_as_error.
+       (enable_warning_as_error): Call callback, minor code tidy.
+       * opts.h (register_warning_as_error_callback): Declare.
+       * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
+       response to -Werror=.
+       (c_common_init_options): Register warning_as_error_callback in opts.c.
+       * common.opt: Add -Wno-cpp option.
+       * c-common.c (struct reason_option_codes_t): Map cpp warning
+       reason codes to gcc option indexes.
+       * (c_option_controlling_cpp_error): New function, lookup the gcc
+       option index for a cpp warning reason code.
+       * (c_cpp_error): Add warning reason argument, call
+       c_option_controlling_cpp_error for diagnostic_override_option_index.
+       * doc/invoke.texi: Document -Wno-cpp.
+
+2010-04-07  Richard Guenther  <rguenther@suse.de>
+
+       * ipa-reference.c (mark_load): Use get_base_address.
+       (mark_store): Likewise.
+
+       * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
+       inserting GIMPLE_NOPs into the IL.
+       * tree-ssa-structalias.c (get_constraint_for_component_ref):
+       Explicitly strip handled components and indirect references.
+
+       * fold-const.c (fold_unary_loc): Do not strip qualifiers when
+       folding address expressions.
+       * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
+       * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
+       operand_equal_p to compare decls.
+       (ptr_deref_may_alias_decl_p): Likewise.
+       * tree-ssa-operands.c (get_asm_expr_operands): Simplify
+       * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
+       Handle reversed comparison ops.
+       * tree-sra.c (asm_visit_addr): Use get_base_address.
+       * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
+       * ipa-reference.c (mark_address): Use get_base_address.
+
+2010-04-07  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-forwprop.c (forward_propagate_addr_expr):
+       Propagate constants everywhere.
+
+2010-04-07  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/43516
+       * tree.c (MAX_INT_CACHED_PREC): Define.
+       (nonstandard_integer_type_cache): New array.
+       (build_nonstandard_integer_type): Cache results for precision
+       <= MAX_INT_CACHED_PREC.
+
+2010-04-07  Richard Guenther  <rguenther@suse.de>
+
+       * doc/invoke.texi (-fargument-alias, -fargument-noalias,
+       -fargument-noalias-global, -fargument-noalias-anything): Remove.
+       * common.opt: Likewise.
+       * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
+       * alias.c (base_alias_check): Remove flag_argument_noalias handling.
+       (nonoverlapping_memrefs_p): Likewise.
+       * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
+       * opts.c (common_handle_option): Handle OPT_fargument_alias,
+       OPT_fargument_noalias, OPT_fargument_noalias_anything and
+       OPT_fargument_noalias_global for backward compatibility.
+
+2010-04-07  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43270
+       * tree-vrp.c (check_array_ref): Fix flexible array member detection.
+       * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
+       * tree-ssa-pre.c (phi_translate_1): Adjust.
+       (fully_constant_expression): Split out vn_reference handling to ...
+       * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
+       Fold reads from constant strings.
+       (vn_reference_lookup): Handle fully constant references.
+       (vn_reference_lookup_pieces): Likewise.
+       * Makefile.in (expmed.o-warn): Add -Wno-error.
+
+2010-04-07  Martin Jambor  <mjambor@suse.cz>
+
+       * tree-sra.c (find_param_candidates): Allow scalar va_list types.
+
+2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
+
+       PR driver/41594
+       * gcc.c: Add -static-libstdc++ to list of recognized options.
+
+2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
+
+2010-04-07  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/42617
+       * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
+       bases build simple mem attributes to retain points-to information.
+
+2010-04-07  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/42617
+       * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
+       preserve points-to related information.
+
+2010-04-07  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/42617
+       * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
+       discard plain indirect references.
+       * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
+       * tree.c (tree_nop_conversion): Likewise.
+
+2010-04-07  Dodji Seketeli  <dodji@redhat.com>
+
+       PR debug/43628
+       * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
+
+2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
+       calling convention attributes on METHOD_TYPEs for w64 ABI, too.
+
+2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * tree-if-conv.c: Fix indentation and comments.
+
+2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * tree-if-conv.c: Sort static functions in topological order.
+
+2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * tree-if-conv.c: Fix indentation and comments.
+
+2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/43519
+       * graphite-clast-to-gimple.c (max_signed_precision_type): Use
+       lang_hooks.types.type_for_size instead of
+       build_nonstandard_integer_type.
+       When converting an unsigned type to signed, double its precision.
+       (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
+       (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
+       (graphite_create_new_loop_guard): When ub + 1 wraps around,
+       use lb <= ub.
+
+2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/43519
+       * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
+       POINTER_PLUS_EXPR for pointer types.
+
+2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/43519
+       * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
+       * graphite-clast-to-gimple.c: Include langhooks.h.
+       (max_signed_precision_type): New.
+       (max_precision_type): Takes two types as arguments.
+       (precision_for_value): New.
+       (precision_for_interval): New.
+       (gcc_type_for_interval): New.
+       (gcc_type_for_value): New.
+       (gcc_type_for_clast_term): New.
+       (gcc_type_for_clast_red): New.
+       (gcc_type_for_clast_bin): New.
+       (gcc_type_for_clast_expr): Split up into several functions.
+       (gcc_type_for_clast_eq): Rewritten.
+       (compute_bounds_for_level): New.
+       (compute_type_for_level_1): New.
+       (compute_type_for_level): New.
+       (gcc_type_for_cloog_iv): Removed.
+       (gcc_type_for_iv_of_clast_loop): Rewritten.
+       (graphite_create_new_loop): Compute the lower and upper bound types
+       with gcc_type_for_clast_expr.
+       (graphite_create_new_loop_guard): Same.
+       (find_cloog_iv_in_expr): Removed.
+       (compute_cloog_iv_types_1): Removed.
+       (compute_cloog_iv_types): Removed.
+       (gloog): Do not call compute_cloog_iv_types.
+       * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
+       GBB_CLOOG_IV_TYPES.
+       (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
+       * sese.h (struct gimple_bb): Removed field cloog_iv_types.
+       (GBB_CLOOG_IV_TYPES): Removed.
+
+2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
+       gimple_phi_num_args of the loop close SSA phi node is equal to 1.
+       (detect_commutative_reduction): Same.
+
+2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
+       call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
+       argument.
+       * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
+       * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
+       (rewrite_commutative_reductions_out_of_ssa): Same.
+       * passes.c (execute_function_todo): Call verify_ssa for every pass
+       in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
+       * tree-flow.h (verify_loop_closed_ssa): Update declaration.
+       * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
+       with an extra argument.
+       * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
+       verify_ssa only when the extra argument is true.
+       (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
+       with an extra argument.
+       (tree_transform_and_unroll_loop): Same.
+
+2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * passes.c (execute_function_todo): Call verify_loop_closed_ssa
+       for all the passes of the LNO having LOOP_CLOSED_SSA.
+       * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
+       * tree-loop-distribution.c (pass_loop_distribution): Same.
+       * tree-pass.h (TODO_verify_loops): Removed.
+       * tree-ssa-loop.c (pass_tree_loop_init): Same.
+       (pass_lim): Same.
+       (pass_tree_unswitch): Same.
+       (pass_predcom): Same.
+       (pass_vectorize): Same.
+       (pass_linear_transform): Same.
+       (pass_graphite_transforms): Same.
+       (pass_iv_canon): Same.
+       (pass_complete_unroll): Same.
+       (pass_complete_unrolli): Same.
+       (pass_parallelize_loops): Same.
+       (pass_loop_prefetch): Same.
+       (pass_iv_optimize): Same.
+
+2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
+
+       PR middle-end/32824
+       * passes.c (init_optimization_passes): Move pass_lim before
+       pass_copy_prop and pass_dce_loop.
+
+2010-04-06  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/43667
+       * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
+       instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
+       (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
+       MULTI_* defines for 4 argument vpermil2p* builtins.
+
+2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
+       * config/i386/i386.c (x86_maybe_negate_const_int): New.
+       (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
+       * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
+       *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
+       *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
+       *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
+       Use x86_maybe_negate_const_int to output insn mnemonic.
+       (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
+       check from instruction predicate.  Update comments.
+       * config/i386/sync.md (sync_add<mode>): Use
+       x86_maybe_negate_const_int to output insn mnemonic.
+
+2010-04-06  Jan Hubicka  <jh@suse.cz>
+
+       PR tree-optimization/42906
+       * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
+       IGNORE_SELF argument.  Set visited_control_parents for fully
+       processed BBs.
+       (find_obviously_necessary_stmts): Update call of
+       mark_control_dependent_edges_necessary.
+       (propagate_necessity): Likewise.  Handle PHI edges more curefully.
+
+2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md: Remove comment about 'e' and 'E'
+       operand modifier.
+
+2010-04-06  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43627
+       * tree-vrp.c (extract_range_from_unary_expr): Widenings
+       of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
+       not varying.
+
+2010-04-06  Jakub Jelinek  <jakub@redhat.com>
+
+       * BASE-VER: Change to 4.6.0.
+
+       PR target/43638
+       * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
+       handling.
+
+2010-04-06  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/43661
+       * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
+
+2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * doc/invoke.texi (Optimize Options): Document that LTO
+       won't remove object access purely due to incompatible
+       declarations.
+
+2010-04-04  Matthias Klose  <doko@ubuntu.com>
+
+       * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
+       Initialize variable.
+
+2010-04-03  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/42509
+       * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
+       require a non-NULL MEM_OFFSET.
+
+2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
+
+       * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
+       basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
+       collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
+       config/alpha/predicates.md, config/arm/arm.md,
+       config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
+       config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
+       config/darwin9.h, config/darwin.c, config/darwin.h,
+       config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
+       config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
+       config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
+       config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
+       config/mips/mips.md, config/mn10300/mn10300.c,
+       config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
+       config/rs6000/aix.h, config/rs6000/dfp.md,
+       config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
+       config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
+       config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
+       config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
+       config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
+       config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
+       c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
+       diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
+       doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
+       doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
+       fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
+       gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
+       graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
+       graphite-dependences.c, graphite-poly.c, graphite-poly.h,
+       graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
+       graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
+       intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
+       ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
+       ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
+       loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
+       objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
+       opt-functions.awk, opth-gen.awk, params.def, passes.c,
+       postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
+       rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
+       store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
+       tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
+       tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
+       tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
+       tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
+       tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
+       tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
+       tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
+       tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
+       tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
+       tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
+       unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
+
+2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       PR other/43620
+       * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
+       * aclocal.m4: Regenerate.
+
+2010-04-02  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43629
+       * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
+       if we have seen a constant value.
+
+2010-04-02  Joseph Myers  <joseph@codesourcery.com>
+
+       * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
+
+2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
+
+       PR target/43469
+       * arm.c (legitimize_tls_address): Adjust call to
+       gen_tls_load_dot_plus_four.
+       (arm_note_pic_base): New function.
+       (arm_cannot_copy_insn_p): Use it.
+       * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
+       constraint.
+
+2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       PR bootstrap/43531
+
+       Revert:
+       2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+       * Makefile.in ($(out_object_file)): Depend on
+       gt-$(basename $(notdir $(out_file))).h.
+
+2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
+
+       * config.gcc (lm32-*-rtems*): Add t-lm32.
+
+2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
+
+       * config.gcc: Add lm32-*-rtems*.
+       * config/lm32/rtems.h: New file.
+
+2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+       PR target/42609
+       * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
+
+2010-04-01  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (output_compilation_unit_header): For
+       -gdwarf-4 use version 4 instead of version 3.
+       (output_line_info): For version 4 and above emit additional
+       maximum ops per insn header field.
+       (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
+
+       * dwarf2out.c (is_c_family, is_java): Remove.
+       (lower_bound_default): New function.
+       (add_bound_info, gen_descr_array_type_die): Use it.
+
+2010-04-01  Dodji Seketeli  <dodji@redhat.com>
+
+       PR debug/43325
+       * dwarf2out.c (gen_variable_die): Allow debug info for variable
+       re-declaration when it happens in a function.
+
+2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
+
+       * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
+       (cgraph_remove_function_insertion_hook): Same.
+       (cgraph_call_function_insertion_hooks): Same.
+
+2010-04-01  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/43614
+       * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
+       and TREE_THIS_VOLATILE.
+       (copy_ref_info): Likewise.
+       * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
+       * tree.c (build6_stat): Ignore side-effects of all but arg5
+       for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
+       TARGET_MEM_REF.
+
+2010-04-01  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43607
+       * ipa-type-escape.c (check_call): Do not access non-existing
+       arguments.
+
+2010-04-01  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/43602
+       Revert
+       2010-03-30  Seongbae Park <seongbae.park@gmail.com>
+                   Jack Howarth <howarth@bromo.med.uc.edu>
+
+       * tree-profile.c (tree_init_ic_make_global_vars): Make static
+       variables TLS.
+
+2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Prerequisites): Document libelf usability on
+       IRIX 5/6 and Solaris 2.
+       (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
+       Update GNU as, GNU ld requirements.
+       (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
+       Document Sun Studio compiler download.
+       Update and simplify as, ld recommendations.
+       (Specific, *-*-solaris2.7): Note obsoletion, removal.
+
+2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
+       with_tune_32 to pentium4.
+
+2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
+
+2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
+       obsoletion, removal.
+       Update IDO URL.
+       Document GNU as requirement.
+       Update configure requirements.
+       (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
+       Recomment IRIX 6.5.18+.
+       Document IDF/IDL requirement.
+       Document GNU as requirement.
+       Document GNU ld bootstrap failure.
+       Remove freeware.sgi.com reference.
+
+2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
+       UNIX V4.0, V5.0 obsoletion, removal.
+       Remove --with-gc=simple reference.
+       Update VM requirements during bootstrap.
+       Remove -oldas bootstrap description.
+       Update binutils reference.
+       Remove comparison failure note.
+
+2010-03-31  Richard Guenther  <rguenther@suse.de>
+           Zdenek Dvorak  <ook@ucw.cz>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/43464
+       * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
+       with multiple arguments.
+       (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
+
+2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * graphite-dependences.c (print_pddr): Call print_pdr with an
+       extra argument.
+       * graphite-poly.c (debug_pdr): Add an extra argument for the
+       verbosity level.
+       (print_pdr): Same.
+       (print_pbb_domain): Same.
+       (print_pbb): Same.
+       (print_scop_context): Same.
+       (print_scop): Same.
+       (print_cloog): Same.
+       (debug_pbb_domain): Same.
+       (debug_pbb): Same.
+       (print_pdrs): Same.
+       (debug_pdrs): Same.
+       (debug_scop_context): Same.
+       (debug_scop): Same.
+       (debug_cloog): Same.
+       (print_scop_params): Same.
+       (debug_scop_params): Same.
+       (print_iteration_domain): Same.
+       (print_iteration_domains): Same.
+       (debug_iteration_domain): Same.
+       (debug_iteration_domains): Same.
+       (print_scattering_function): Same.
+       (print_scattering_functions): Same.
+       (debug_scattering_function): Same.
+       (debug_scattering_functions): Same.
+       * graphite-poly.h (debug_pdr): Update declaration.
+       (print_pdr): Same.
+       (print_pbb_domain): Same.
+       (print_pbb): Same.
+       (print_scop_context): Same.
+       (print_scop): Same.
+       (print_cloog): Same.
+       (debug_pbb_domain): Same.
+       (debug_pbb): Same.
+       (print_pdrs): Same.
+       (debug_pdrs): Same.
+       (debug_scop_context): Same.
+       (debug_scop): Same.
+       (debug_cloog): Same.
+       (print_scop_params): Same.
+       (debug_scop_params): Same.
+       (print_iteration_domain): Same.
+       (print_iteration_domains): Same.
+       (debug_iteration_domain): Same.
+       (debug_iteration_domains): Same.
+       (print_scattering_function): Same.
+       (print_scattering_functions): Same.
+       (debug_scattering_function): Same.
+       (debug_scattering_functions): Same.
+
+2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * graphite-poly.c (print_scattering_function_1): New.
+       (print_scattering_function): Call it.
+       (print_scop_params): Remove spaces at the end of lines.
+       (print_cloog): New.
+       (debug_cloog): New.
+       * graphite-poly.h (print_cloog): Declared.
+       (debug_cloog): Declared.
+
+2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
+       in loop->header.
+       * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
+       * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
+       * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
+       to switch between adding the IV bump in loop->latch or in loop->header.
+
+2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * graphite-poly.c (print_scattering_function): Pretty print following
+       the scoplib format.
+       (print_pdr): Same.
+       (print_pbb_domain): Same.
+       (dump_gbb_cases): Same.
+       (dump_gbb_conditions): Same.
+       (print_pdrs): Same.
+       (print_pbb): Same.
+       (print_scop_params): Same.
+       (print_scop_context): Same.
+       (print_scop): Same.
+       (print_pbb_body): New.
+       (lst_indent_to): New.
+       (print_lst): Start new lines with a #.
+       * graphite-poly.h (pbb_bb): New.
+       (pbb_index): Use pbb_bb.
+       * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
+       disjuncts.
+       * tree-data-ref.c (dump_data_reference): Start new lines with a #.
+
+2010-03-31  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (size_of_die): For -gdwarf-4 use
+       uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
+       and 0 instead of 1 for dw_val_class_flag.
+       (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
+       dw_val_class_range_list, dw_val_class_loc_list,
+       dw_val_class_lineptr and dw_val_class_macptr, use
+       DW_FORM_flag_present for dw_val_class_flag and
+       DW_FORM_exprloc for dw_val_class_loc.
+       (output_die): For -gdwarf-4 print dw_val_class_loc
+       size as uleb128 instead of 1 or 2 bytes and don't print
+       anything for dw_val_class_flag.
+
+       * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
+       instead of cselib_lookup following by tweaking locs->setting_insn.
+
+       PR bootstrap/43596
+       * cselib.c (cselib_process_insn): Clear cselib_current_insn
+       even before returning from label, setjmp call or volatile asm
+       handling.
+
+2010-03-31  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/43600
+       * cgraphunit.c (cgraph_output_in_order): Do not allocate
+       temporary data on stack.
+
+2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
+       (PUSHSECTION_ASM_OP): Remove.
+       (POPSECTION_ASM_OP): Remove.
+       (PUSHSECTION_FORMAT): Remove.
+       * config/sol2.h (PUSHSECTION_FORMAT): Define.
+       * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
+       * config/sol2.c (solaris_output_init_fini): Use it.
+
 2010-03-31  Jie Zhang  <jie@codesourcery.com>
 
        PR 43574
        PR 43562
        * reload.h (caller_save_initialized_p): Declare.
        * toplev.c (backend_init_target): Don't call
-       init_caller_save but set caller_save_initialized_p
-       to false.
+       init_caller_save but set caller_save_initialized_p to false.
        * caller-save.c (caller_save_initialized_p): Define.
        (init_caller_save): Check caller_save_initialized_p.
        * ira.c (ira): Call init_caller_save if flag_caller_saves.
        (add_mem_for_addr): Promote debug locs.
        (cselib_lookup_mem): Likewise.
        (cselib_lookup_addr): Renamed to...
-       (cselib_lookup_addr_1): ... this.  Promote debug locs.
-       Don't call...
+       (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
        (cselib_log_lookup): ... this.  Turn into...
        (cselib_lookup_addr): ... new wrapper.
        (cselib_lookup_from_insn): New.
        with operations in the narrower mode.
 
        PR debug/43593
-       * var-tracking.c (dataflow_set_clear_at_call): Invalidate
-       just regs_invalidated_by_call instead all call_used_reg_set
-       registers.
+       * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
+       regs_invalidated_by_call instead all call_used_reg_set registers.
 
 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
 
 
 2010-03-28  Duncan Sands  <baldrick@free.fr>
 
-       * Makefile.in (PLUGIN_HEADERS): Add except.h.
+       * Makefile.in (PLUGIN_HEADERS): Add except.h.
 
 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
 
 2010-03-29  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/43560
-       * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p
-       parameter.
-       (can_sm_ref_p): Treat stores to readonly locations as
-       trapping.
+       * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
+       (can_sm_ref_p): Treat stores to readonly locations as trapping.
 
 2010-03-29  Jie Zhang  <jie@codesourcery.com>