+2011-10-20 Dodji Seketeli <dodji@redhat.com>
+
+ PR other/50659
+ * doc/cppopts.texi: Use @smallexample/@end smallexample in
+ documentation for -fdebug-cpp instead of @quotation/@end quotation
+ that is not supported by contrib/texi2pod.pl.
+
+2011-10-19 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (inline_small_functions): Always update all calles after
+ inlining.
+
+2011-10-19 Jan Hubicka <jh@suse.cz>
+
+ PR bootstrap/50709
+ * ipa-inline.c (inline_small_functions): Fix checking code to not make
+ effect on fibheap stability.
+
+2011-10-20 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/m68k/t-linux (M68K_MLIB_CPU): Add ColdFire CPUs.
+
+2011-10-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/50106
+ * config/arm/arm.c (thumb_unexpanded_epilogue): Handle return
+ reg size from 1-3.
+
+2011-10-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-loop-im.c (stmt_cost): Add WIDEN_*, FMA_EXPR
+ and rotates to the set of expensive operations.
+
+2011-10-19 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.c (sparc_expand_move): Use
+ can_create_pseudo_p.
+ (sparc_emit_set_const32): Likewise.
+ (sparc_emit_set_const64_longway): Likewise.
+ (sparc_emit_set_const64): Likewise.
+ (sparc_legitimize_pic_address): Likewise.
+ (memory_ok_for_ldd): Likewise.
+
+2011-10-20 Dehao Chen <dehao@google.com>
+
+ * profile.c (compute_branch_probabilities): Compute and dump the
+ overlap between the static estimation and the instrumentation profile.
+ (OVERLAP_BASE): New macro.
+ (compute_frequency_overlap): New function
+
+2011-10-19 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (expand_vec_perm_vpshufb2_vpermq_even_odd): Use
+ d->op1 instead of d->op0 for the second vpshufb.
+ (expand_vec_perm_even_odd_1): For V8SImode fix vpshufd immediates.
+ (ix86_expand_vec_perm_const): If mask indicates two operands are
+ needed, but both are the same and expanding them as d.op0 == d.op1
+ failed, retry with d.op0 != d.op1.
+ (ix86_expand_vec_perm_builtin): Likewise. Handle sorry printing
+ also for d.nelt == 32.
+
+ PR middle-end/50754
+ * cfgexpand.c (expand_debug_expr): Handle WIDEN_LSHIFT_EXPR, ignore
+ VEC_PERM_EXPR.
+
+2011-10-19 Bernd Schmidt <bernds@codesourcery.com>
+
+ * regrename.h: New file.
+ * regrename.c: Include it. Also include "emit-rtl.h".
+ (struct du_head, struct du_chain, du_head_p DEF_VEC and
+ DEF_VEC_ALLOC_P): Move to regrename.h.
+ (do_replace): Remove declaration.
+ (insn_rr): New variable.
+ (cur_operand): New static variable.
+ (regrename_chain_from_id): Renamed from chain_from_id and no longer
+ static. All callers changed.
+ (record_operand_use): New static function.
+ (scan_rtx_reg): Use it.
+ (find_best_rename_reg): New function, broken out of rename_chains.
+ (rename_chains): Use it. Don't update chain regno and nregs here, ...
+ (regrename_do_replace): ... do it here instead. Renamed from
+ do_replace, and no longer static. All callers changed.
+ (regrename_analyze): No longer static. New arg bb_mask.
+ All callers changed. If bb_mask is nonzero, use it to limit the
+ number of basic blocks we analyze. If we failed to analyze a block,
+ clear insn operand data.
+ (record_out_operands): New arg insn_info. Update cur_operand if it is
+ nonnull.
+ (build_def_use): If insn_rr is nonnull, pass an insn_info to
+ record_out_operands, and update cur_operand here as well.
+ (regrename_init, regrename_finish): New functions.
+ (regrename_optimize): Use them.
+ * Makefile.in (regrename.o): Adjust dependencies.
+
+2011-10-19 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/50769
+ * tree-ssa-tail-merge.c (replace_block_by): Calculate phi_vuse2
+ unconditionally. Handle case that phi_vuse2 is not an SSA_NAME. Add
+ dummy argument .MEM to phi when increasing number of arguments of phi by
+ redirecting edges to the block with phi.
+
+2011-10-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR bootstrap/50777
+ * configure.ac: Save and restore CXXFLAGS around
+ gcc_AC_CHECK_DECLS uses.
+ Check for madvise() declaration with g++ if --enable-build-with-cxx.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * ggc-page.c (USING_MADVISE): Also check HAVE_DECL_MADVISE.
+
+2011-10-19 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/49310
+ * var-tracking.c (loc_exp_dep, onepart_aux): New structs.
+ (variable_part): Replace offset with union.
+ (enum onepart_enum, onepart_enum_t): New.
+ (variable_def): Drop cur_loc_changed, add onepart.
+ (value_chain_def, const_value_chain): Remove.
+ (VAR_PART_OFFSET, VAR_LOC_1PAUX): New macros, with checking.
+ (VAR_LOC_DEP_LST, VAR_LOC_DEP_LSTP): New macros.
+ (VAR_LOC_FROM, VAR_LOC_DEPTH, VAR_LOC_DEP_VEC): Likewise.
+ (value_chain_pool, value_chains): Remove.
+ (dropped_values): New.
+ (struct parm_reg): Only if HAVE_window_save.
+ (vt_stack_adjustments): Don't record register arguments.
+ (dv_as_rtx): New.
+ (dv_onepart_p): Return a onepart_enum_t.
+ (onepart_pool): New.
+ (dv_pool): Remove.
+ (dv_from_rtx): New.
+ (variable_htab_free): Release onepart aux data. Reset flags.
+ (value_chain_htab_hash, value_chain_htab_eq): Remove.
+ (unshare_variable): Use onepart field. Propagate onepart aux
+ data or offset. Drop cur_loc_changed.
+ (val_store): Cope with NULL insn. Rephrase dump output. Check
+ for unsuitable locs. Add FIXME on using cselib locs.
+ (val_reset): Remove FIXME of unfounded concerns.
+ (val_resolve): Check for unsuitable locs. Add FIXME on using
+ cselib locs.
+ (variable_union): Use onepart field, adjust access to offset.
+ (NO_LOC_P): New.
+ (VALUE_CHANGED, DECL_CHANGED): Update doc.
+ (set_dv_changed): Clear NO_LOC_P when changed.
+ (find_loc_in_1pdv): Use onepart field.
+ (intersect_loc_chains): Likewise.
+ (unsuitable_loc): New.
+ (loc_cmp): Keep ENTRY_VALUEs at the end of the loc list.
+ (add_value_chain, add_value_chains): Remove.
+ (add_cselib_value_chains, remove_value_chain): Likewise.
+ (remove_value_chains, remove_cselib_value_chains): Likewise.
+ (canonicalize_loc_order_check): Use onepart. Drop cur_loc_changed.
+ (canonicalize_values_star, canonicalize_vars_star): Use onepart.
+ (variable_merge_over_cur): Likewise. Adjust access to offset.
+ Drop cur_loc_changed.
+ (variable_merge_over_src): Use onepart field.
+ (remove_duplicate_values): Likewise.
+ (variable_post_merge_new_vals): Likewise.
+ (find_mem_expr_in_1pdv): Likewise.
+ (dataflow_set_preserve_mem_locs): Likewise. Drop cur_loc_changed
+ and value chains.
+ (dataflow_set_remove_mem_locs): Likewise. Use VAR_LOC_FROM.
+ (variable_different_p): Use onepart field. Move onepart test out
+ of the loop.
+ (argument_reg_set): Drop.
+ (add_uses, add_stores): Preserve but do not record in dynamic
+ tables equivalences for ENTRY_VALUEs and CFA_based addresses.
+ Avoid unsuitable address expressions.
+ (EXPR_DEPTH): Unlimit.
+ (EXPR_USE_DEPTH): Repurpose PARAM_MAX_VARTRACK_EXPR_DEPTH.
+ (prepare_call_arguments): Use DECL_RTL_IF_SET.
+ (dump_var): Adjust access to offset.
+ (variable_from_dropped, recover_dropped_1paux): New.
+ (variable_was_changed): Drop cur_loc_changed. Use onepart.
+ Preserve onepart aux in empty_var. Recover empty_var and onepart
+ aux from dropped_values.
+ (find_variable_location_part): Special-case onepart. Adjust
+ access to offset.
+ (set_slot_part): Use onepart. Drop cur_loc_changed. Adjust
+ access to offset. Initialize onepaux. Drop value chains.
+ (delete_slot_part): Drop value chains. Use VAR_LOC_FROM.
+ (VEC (variable, heap), VEC (rtx, stack)): Define.
+ (expand_loc_callback_data): Drop dummy, cur_loc_changed,
+ ignore_cur_loc. Add expanding, pending, depth.
+ (loc_exp_dep_alloc, loc_exp_dep_clear): New.
+ (loc_exp_dep_insert, loc_exp_dep_set): New.
+ (notify_dependents_of_resolved_value): New.
+ (update_depth, vt_expand_var_loc_chain): New.
+ (vt_expand_loc_callback): Revamped.
+ (resolve_expansions_pending_recursion): New.
+ (INIT_ELCD, FINI_ELCD): New.
+ (vt_expand_loc): Use the new macros above. Drop ignore_cur_loc
+ parameter, adjust all callers.
+ (vt_expand_loc_dummy): Drop.
+ (vt_expand_1pvar): New.
+ (emit_note_insn_var_location): Operate on non-debug decls only.
+ Revamp multi-part cur_loc recomputation and one-part expansion.
+ Drop cur_loc_changed. Adjust access to offset.
+ (VEC (variable, heap)): Drop.
+ (changed_variables_stack, changed_values_stack): Drop.
+ (check_changed_vars_0, check_changed_vars_1): Remove.
+ (check_changed_vars_2, check_changed_vars_3): Remove.
+ (values_to_stack, remove_value_from_changed_variables): New.
+ (notify_dependents_of_changed_value, process_changed_values): New.
+ (emit_notes_for_changes): Revamp onepart updates.
+ (emit_notes_for_differences_1): Use onepart. Drop cur_loc_changed
+ and value chains. Propagate onepaux. Recover empty_var and onepaux
+ from dropped_values.
+ (emit_notes_for_differences_2): Drop value chains.
+ (emit_notes_in_bb): Adjust.
+ (vt_emit_notes): Drop value chains, changed_variables_stack.
+ Initialize and release dropped_values.
+ (create_entry_value): Revamp.
+ (vt_add_function_parameter): Use new interface.
+ (note_register_arguments): Remove.
+ (vt_initialize): Drop value chains and register arguments.
+ (vt_finalize): Drop value chains. Release windowed_parm_regs only
+ if HAVE_window_save.
+ * rtl.h: Document various pass-local uses of RTL flags.
+ * tree.h (DECL_RTL_KNOWN_SET): New.
+ * doc/invoke.texi (param max-vartrack-expr-depth): Update
+ description and default.
+
+2011-10-19 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/50447
+ * config/avr/avr.md (cc): New alternative out_plus_noclobber.
+ (adjust_len): Ditto.
+ (addhi3): Don't pipe through short; use gen_int_mode instead.
+ Prior to reload, expand to gen_addhi3_clobber.
+ (*addhi3): Use avr_out_plus_noclobber if applicable, use
+ out_plus_noclobber in cc and adjust_len attribute.
+ (addhi3_clobber): 2 new RTL peepholes.
+ (addhi3_clobber): New insn.
+ * config/avr/avr-protos.h: (avr_out_plus_noclobber): New prototype.
+ * config/avr/avr.c (avr_out_plus_noclobber): New function.
+ (notice_update_cc): Handle CC_OUT_PLUS_NOCLOBBER.
+ (avr_out_plus_1): Tweak if only MSB is +/-1 and other bytes are 0.
+ Set cc0 to set_zn for adiw on 16-bit values.
+ (adjust_insn_length): Handle ADJUST_LEN_OUT_PLUS_NOCLOBBER.
+ (expand_epilogue): No need to add 0 to frame_pointer_rtx.
+
+2011-10-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/50780
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Verify
+ the condition is properly gimple before using it.
+ * tree-eh (stmt_could_throw_1_p): Properly extract the
+ operation type from comparisons.
+
+2011-10-19 Roland Stigge <stigge@antcom.de>
+
+ PR translation/48638
+ * plugin.c (add_new_plugin): Fix typo in fatal_error message.
+
+2011-10-19 Roland Stigge <stigge@antcom.de>
+
+ PR translation/49517
+ * config/rx/rx.c (rx_print_operand): Fix typo in warning message.
+
2011-10-19 Richard Guenther <rguenther@suse.de>
PR middle-end/50768