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PR target/47989
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 7162480..eeed56d 100644 (file)
-2011-10-17  Eric Botcazou  <ebotcazou@adacore.com>
+2011-10-20  Uros Bizjak  <ubizjak@gmail.com>
 
-       * config/sparc/sparc.md (in_call_delay): Fix formatting issues.
+       PR target/47989
+       * config/i386/i386.h (RECIP_MASK_DEFAULT): New define.
+       * config/i386/i386.op (recip_mask): Initialize with RECIP_MASK_DEFAULT.
+       * doc/invoke.texi (ix86 Options, -mrecip): Document that GCC
+       implements vectorized single float division and vectorized sqrtf(x)
+       with reciprocal sequence with additional Newton-Raphson step with
+       -ffast-math.
+
+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>
 
-2011-10-17  Michael Spertus  <mike_spertus@symantec.com>
+       PR translation/49517
+       * config/rx/rx.c (rx_print_operand): Fix typo in warning message.
 
-       * gcc/c-family/c-common.c (c_common_reswords): Add __bases,
-       __direct_bases.
-       * gcc/c-family/c-common.h: Add RID_BASES and RID_DIRECT_BASES.
+2011-10-19  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/50768
+       * gimple-fold.c (gimplify_and_update_call_from_tree): Rewrite.
+
+2011-10-19  Andrey Belevantsev  <abel@ispras.ru>
+
+       PR rtl-optimization/50340
+       * sel-sched-ir.c (update_target_availability): LHS register
+       availability is not known if the unavailable LHS of the other
+       expression is a different register.
+
+2011-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       PR target/50310
+       * config/spu/spu.c (spu_emit_vector_compare): Support unordered
+       floating-point comparisons.
+
+2011-10-19  Jan Hubicka  <jh@suse.cz>
+
+       * cgraphunit.c (handle_alias_pairs): Also handle wekref with
+       destination declared.
+       (output_weakrefs): New function.
+       * varpool.c (varpool_create_variable_alias): Handle external aliases.
+
+2011-10-19  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (loc_descriptor): For SUBREG pass SUBREG_REG's mode as
+       second argument instead of mode.
+
+2011-10-18  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_vec_perm): In merge_two use
+       mode SUBREG of operands[0] as target.
+       (valid_perm_using_mode_p): Don't ignore higher bits of d->perm.
+       (expand_vec_pshufb): For V8SImode vmode emit avx2_permvarv8si.
+       (expand_vec_perm_1): Handle identity and some broadcast
+       permutations.
+       (expand_vec_perm_interleave2): Handle also 32-byte modes, using
+       vperm2[fi]128 or vpunpck[lh]* followed by single insn permutation.
+       For d->testing_p return true earlier to avoid creating more GC
+       garbage.
+       (expand_vec_perm_vpermq_perm_1): New function.
+       (expand_vec_perm_vpshufb2_vpermq): For d->testing_p return true
+       earlier to avoid creating more GC garbage.  Fix handling of
+       V16HImode.  Avoid some SUBREGs in SET_DEST.
+       (expand_vec_perm_broadcast_1): Return false for 32-byte integer
+       vector modes.
+       (expand_vec_perm_vpshufb4_vpermq2): New function.
+       (ix86_expand_vec_perm_builtin_1): Call expand_vec_perm_vpermq_perm_1
+       and expand_vec_perm_vpshufb4_vpermq2.
+
+2011-10-18  Andrew Stubbs  <ams@codesourcery.com>
+
+       * config/arm/driver-arm.c (host_detect_local_cpu): Close the file
+       before exiting.
+
+2011-10-18  Andrew Stubbs  <ams@codesourcery.com>
+
+       PR tree-optimization/50717
+       * tree-ssa-math-opts.c (is_widening_mult_p): Remove the 'type'
+       parameter.  Calculate 'type' from stmt.
+       (convert_mult_to_widen): Update call the is_widening_mult_p.
+       (convert_plusminus_to_widen): Likewise.
+
+2011-10-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+       * config/spu/spu.c (struct machine_function): New data structure.
+       (spu_init_machine_status): New function.
+       (spu_option_override): Install it.
+       (get_pic_reg): Set and use cfun->machine->pic_reg.
+       (spu_split_immediate): Do not set crtl->uses_pic_offset_table.
+       (need_to_save_reg): Use cfun->machine->pic_reg instead of
+       checking crtl->uses_pic_offset_table.
+       (spu_expand_prologue): Likewise.
+
+2011-10-18  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/50735
+       * function.c (gimplify_parameters): Use create_tmp_var instead of
+       create_tmp_reg.  If parm is not TREE_ADDRESSABLE and type is complex
+       or vector type, set DECL_GIMPLE_REG_P.
+
+2011-10-18  Andrew Stubbs  <ams@codesourcery.com>
+
+       * config.host (arm*-*-linux*): Add driver-arm.o and x-arm.
+       * config/arm/arm.opt: Add 'native' processor_type and
+       arm_arch enum values.
+       * config/arm/arm.h (host_detect_local_cpu): New prototype.
+       (EXTRA_SPEC_FUNCTIONS): New define.
+       (MCPU_MTUNE_NATIVE_SPECS): New define.
+       (DRIVER_SELF_SPECS): New define.
+       * config/arm/driver-arm.c: New file.
+       * config/arm/x-arm: New file.
+       * doc/invoke.texi (ARM Options): Document -mcpu=native,
+       -mtune=native and -march=native.
+
+2011-10-18  Alexander Monakov  <amonakov@ispras.ru>
+
+       PR rtl-optimization/50205
+       * sel-sched.c (count_occurrences_1): Simplify on the assumption that
+       p->x is a register.  Forbid substitution when the same register is
+       found in a different mode.
+       (count_occurrences_equiv): Assert that 'what' is a register.
+
+2011-10-18  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/50767
+       * tree-ssa-pre.c (create_expression_by_pieces): Update the
+       folded statement.
+
+2011-10-18  Julian Brown  <julian@codesourcery.com>
+
+       * config/arm/arm.c (arm_block_move_unaligned_straight)
+       (arm_adjust_block_mem, arm_block_move_unaligned_loop)
+       (arm_movmemqi_unaligned): New.
+       (arm_gen_movmemqi): Support unaligned block copies.
+
+2011-10-18  Ira Rosen  <ira.rosen@linaro.org>
+
+       * doc/md.texi (vec_widen_ushiftl_hi, vec_widen_ushiftl_lo,
+       vec_widen_sshiftl_hi, vec_widen_sshiftl_lo): Document.
+       * tree-pretty-print.c (dump_generic_node): Handle WIDEN_LSHIFT_EXPR,
+       VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
+       (op_code_prio): Likewise.
+       (op_symbol_code): Handle WIDEN_LSHIFT_EXPR.
+       * optabs.c (optab_for_tree_code): Handle
+       VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
+       (init-optabs): Initialize optab codes for vec_widen_u/sshiftl_hi/lo.
+       * optabs.h (enum optab_index): Add OTI_vec_widen_u/sshiftl_hi/lo.
+       * genopinit.c (optabs): Initialize the new optabs.
+       * expr.c (expand_expr_real_2): Handle
+       VEC_WIDEN_LSHIFT_HI_EXPR and VEC_WIDEN_LSHIFT_LO_EXPR.
+       * gimple-pretty-print.c (dump_binary_rhs): Likewise.
+       * tree-vectorizer.h (NUM_PATTERNS): Increase to 8.
+       * tree.def (WIDEN_LSHIFT_EXPR, VEC_WIDEN_LSHIFT_HI_EXPR,
+       VEC_WIDEN_LSHIFT_LO_EXPR): New.
+       * cfgexpand.c (expand_debug_expr): Handle new tree codes.
+       * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
+       vect_recog_widen_shift_pattern.
+       (vect_handle_widen_mult_by_const): Rename...
+       (vect_handle_widen_op_by_const): ...to this.  Handle shifts.
+       Add a new argument, update documentation.
+       (vect_recog_widen_mult_pattern): Assume that only second
+       operand can be constant.  Update call to
+       vect_handle_widen_op_by_const.
+       (vect_recog_over_widening_pattern): Fix typo.
+       (vect_recog_widen_shift_pattern): New.
+       * tree-vect-stmts.c (vectorizable_type_promotion): Handle
+       widening shifts.
+       (supportable_widening_operation): Likewise.
+       * tree-inline.c (estimate_operator_cost): Handle new tree codes.
+       * tree-vect-generic.c (expand_vector_operations_1): Likewise.
+       * tree-cfg.c (verify_gimple_assign_binary): Likewise.
+       * config/arm/neon.md (neon_vec_<US>shiftl_<mode>): New.
+       (vec_widen_<US>shiftl_lo_<mode>, neon_vec_<US>shiftl_hi_<mode>,
+       vec_widen_<US>shiftl_hi_<mode>, neon_vec_<US>shift_left_<mode>):
+       Likewise.
+       * config/arm/predicates.md (const_neon_scalar_shift_amount_operand):
+       New.
+       * config/arm/iterators.md (V_innermode): New.
+       * tree-vect-slp.c (vect_build_slp_tree): Require same shift operand
+       for widening shift.
+
+2011-10-18  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-alias.h (struct pt_solution): Remove
+       vars_contains_restrict member.
+       (pt_solutions_same_restrict_base): Remove.
+       (pt_solution_set): Adjust.
+       * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Remove
+       vars_contains_restrict handling.
+       (dump_points_to_solution): Likewise.
+       (ptr_derefs_may_alias_p): Do not call pt_solutions_same_restrict_base.
+       * tree-ssa-structalias.c (struct variable_info): Remove is_restrict_var
+       field.
+       (new_var_info): Do not initialize it.
+       (ipa_escaped_pt): Adjust.
+       (make_constraint_from_restrict): Make the tag global.
+       (make_constraint_from_global_restrict): New function.
+       (make_constraint_from_heapvar): Remove.
+       (create_variable_info_for): Do not make restrict vars point
+       to NONLOCAL.
+       (intra_create_variable_infos): Likewise.
+       (find_what_var_points_to): Remove vars_contains_restrict handling.
+       (pt_solution_set): Adjust.
+       (pt_solution_ior_into): Likewise.
+       (pt_solutions_same_restrict_base): Remove.
+       (compute_points_to_sets): Do not test is_restrict_var.
+       * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
+       * gimple-pretty-print.c (pp_points_to_solution): Likewise.
+
+2011-10-18  Tom de Vries  <tom@codesourcery.com>
+
+       PR tree-optimization/50672
+       * tree-ssa-dce.c (mark_virtual_operand_for_renaming): New function,
+       factored out of ...
+       (mark_virtual_phi_result_for_renaming): Use
+       mark_virtual_operand_for_renaming.
+       * tree-flow.h (mark_virtual_operand_for_renaming): Declare.
+       * tree-ssa-tail-merge.c (release_last_vdef): New function.
+       (purge_bbs): Add update_vops parameter.  Call release_last_vdef for each
+       deleted basic block.
+       (tail_merge_optimize): Add argument to call to purge_bbs.
+
+2011-10-18  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/50716
+       * expr.c (get_object_or_type_alignment): New function.
+       (expand_assignment): Use it.
+       (expand_expr_real_1): Likewise.
+
+2011-10-18  Dodji Seketeli  <dodji@redhat.com>
+
+       PR bootstrap/50760
+       * input.c (dump_line_table_statistics): Use long, not size_t.
+
+2011-10-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * config/sparc/sparc.md (in_call_delay): Fix formatting issues.
 
 2011-10-17  Simon Baldwin  <simonb@google.com>
            Ian Lance Taylor  <iant@google.com>
 2011-10-17  Paolo Carlini  <paolo.carlini@oracle.com>
 
        PR c++/50757
-       * c-family/c.opt ([Wnonnull]): Add C++ and Objective-C++.
-       * doc/invoke.texi: Update.
+       * doc/invoke.texi ([Wnonnull]): Update.
 
 2011-10-17  Richard Henderson  <rth@redhat.com>
 
 
 2011-10-17  Sergio Durigan Junior  <sergiodj@redhat.com>
 
-       * configure.ac: Display `yes' if the SystemTap header has been
-       found.
+       * configure.ac: Display `yes' if the SystemTap header has been found.
        * configure: Regenerate.
 
 2011-10-08  Andi Kleen  <ak@linux.intel.com>
 2011-10-17  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/50729
-       * tree-vrp.c (extract_range_from_unary_expr_1): Remove
-       redundant test.
+       * tree-vrp.c (extract_range_from_unary_expr_1): Remove redundant test.
        (simplify_conversion_using_ranges): Properly test the
        intermediate result.
 
 2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>
 
-       * input.c (ONE_K, ONE_M, SCALE, STAT_LABEL, FORMAT_AMOUNT): New
-       macros.
+       * input.c (ONE_K, ONE_M, SCALE, STAT_LABEL, FORMAT_AMOUNT): New macros.
        (num_expanded_macros_counter, num_macro_tokens_counter): Declare
        new counters.
        (dump_line_table_statistics): Define new function.
            Dodji Seketeli  <dodji@redhat.com>
 
        * doc/cppopts.texi: Document -fdebug-cpp.
-       * doc/invoke.texi: Add -fdebug-cpp to the list of preprocessor
-       options.
+       * doc/invoke.texi: Add -fdebug-cpp to the list of preprocessor options.
 
 2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>
        (LOCATION_COLUMN): New accessor
        (in_system_header_at): Use linemap_location_in_system_header_p.
        * diagnostic.c (diagnostic_report_current_module): Adjust to avoid
-       touching the internals of struct line_map.  Use the public API.
-       instead.
+       touching the internals of struct line_map.  Use the public API instead.
        (diagnostic_report_diagnostic): Don't use relational operator '<'
        on virtual locations.  Use linemap_location_before_p instead.
        * input.c (expand_location): Adjust to expand to the tokens'
 2011-10-14  Paolo Carlini  <paolo.carlini@oracle.com>
 
        PR c++/17212
-       * c-family/c.opt ([Wformat-zero-length]): Add C++ and Objective-C++.
-       * doc/invoke.texi: Update.
+       * doc/invoke.texi ([Wformat-zero-length]): Update.
 
 2011-10-14  Iain Sandoe  <iains@gcc.gnu.org>
 
 2011-10-12  Bernd Schmidt  <bernds@codesourcery.com>
 
        * function.c (prepare_shrink_wrap, bb_active_p): New function.
-       (thread_prologue_and_epilogue_insns): Use bb_active_p.
-       Call prepare_shrink_wrap, then recompute bb_active_p for the
-       last block.
+       (thread_prologue_and_epilogue_insns): Use bb_active_p.  Call
+       prepare_shrink_wrap, then recompute bb_active_p for the last block.
 
 2011-10-12  Joseph Myers  <joseph@codesourcery.com>
 
        (get_continuation_for_phi): ... here.  Handle arbitrary number
        of PHI args.
 
-2011-10-11  Paolo Carlini  <paolo.carlini@oracle.com>
-
-       PR c++/33067
-       * c-family/c-pretty-print.c (pp_c_floating_constant): Output
-       max_digits10 (in the ISO C++ WG N1822 sense) decimal digits.
-
 2011-10-11  Richard Sandiford  <richard.sandiford@linaro.org>
 
        * modulo-sched.c: Fix comment typo.  Mention the possibility
 
 2011-10-10  Georg-Johann Lay  <avr@gjlay.de>
 
-       * config/avr/avr.c (avr_option_override): Set
-       flag_omit_frame_pointer to 0 if frame pointer is needed for unwinding.
+       * config/avr/avr.c (avr_option_override): Set flag_omit_frame_pointer
+       to 0 if frame pointer is needed for unwinding.
 
 2011-10-10  Uros Bizjak  <ubizjak@gmail.com>
 
        * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add missing
        va_end.
        * c-family/c-common.c (def_fn_type): Likewise.
-       * ada/gcc-interface/utils.c (def_fn_type): Likewise.
        * emit-rtl.c (gen_rtvec): Likewise.
        * lto/lto-lang.c (def_fn_type): Likewise.