+2009-11-30 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ * configure.ac (USE_CYGWIN_LIBSTDCXX_WRAPPERS): Define to reflect
+ status of AC_CHECK_FUNC for Cygwin DLL libstdc++ support wrappers.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+ * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Define list of --wrap
+ options for Cygwin DLL libstdc++ support wrappers.
+ (CXX_WRAP_SPEC_OPT): Define spec to use wrappers or not by default
+ according to defined value of USE_CYGWIN_LIBSTDCXX_WRAPPERS.
+ (CXX_WRAP_SPEC): Define entire wrapper spec in or out according to
+ whether USE_CYGWIN_LIBSTDCXX_WRAPPERS is even defined or not.
+ (LINK_SPEC): Include CXX_WRAP_SPEC.
+ * gcc/config/i386/winnt.c (wrapper_strcmp): New qsort helper function.
+ (i386_find_on_wrapper_list): Check if a function is found on the list
+ of libstdc++ wrapper options.
+ (i386_pe_file_end): If we are importing a wrapped function, also emit
+ an external declaration for the real version.
+ * config/i386/cygming.opt (muse-libstdc-wrappers): New option for
+ Cygwin targets. Update copyright year.
+
+2009-11-30 Steve Ellcey <sje@cup.hp.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * function.c (instantiate_virtual_regs_in_insn): Copy to new reg
+ before forcing mode.
+
+2009-11-30 Anatoly Sokolov <aesok@post.ru>
+
+ * config/sh/sh.c (sh_promote_prototypes): Make static.
+ (sh_function_value, sh_libcall_value, sh_function_value_regno_p): New
+ functions.
+ (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
+ * config/sh/sh.h: (FUNCTION_VALUE_REGNO_P): Redefine, use
+ sh_function_value_regno_p.
+ (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
+ * config/sh/sh-protos.h (sh_function_value_regno_p): Declare.
+ (sh_promote_prototypes) : Remove.
+
+2009-11-30 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Don't restrict Thumb-2
+ reloads to LO_REGS.
+
+2009-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_vec_interleave_v2df_operator_ok): New.
+ (bdesc_special_args): Update insn codes.
+ (avx_vpermilp_parallel): Correct range check.
+ (ix86_rtx_costs): Handle vector permutation rtx codes.
+ (struct expand_vec_perm_d): Move earlier.
+ (get_mode_wider_vector): New.
+ (expand_vec_perm_broadcast_1): New.
+ (ix86_expand_vector_init_duplicate): Use it. Tidy AVX modes.
+ (expand_vec_perm_broadcast): New.
+ (ix86_expand_vec_perm_builtin_1): Use it.
+ * config/i386/i386-protos.h: Update.
+ * config/i386/predicates.md (avx_vbroadcast_operand): New.
+ * config/i386/sse.md (AVX256MODE24P): New.
+ (ssescalarmodesuffix2s): New.
+ (avxhalfvecmode, avxscalarmode): Fill out to all modes.
+ (avxmodesuffixf2c): Add V8SI, V4DI.
+ (vec_dupv4sf): New expander.
+ (*vec_dupv4sf_avx): Add vbroadcastss alternative.
+ (*vec_set<mode>_0_avx, **vec_set<mode>_0_sse4_1): Macro-ize for
+ V4SF and V4SI. Move C alternatives to front. Add insertps and
+ pinsrd alternatives.
+ (*vec_set<mode>_0_sse2): Split out from ...
+ (vec_set<mode>_0): Macro-ize for V4SF and V4SI.
+ (vec_interleave_highv2df, vec_interleave_lowv2df): Require register
+ destination; use ix86_vec_interleave_v2df_operator_ok, instead of
+ ix86_fixup_binary_operands.
+ (*avx_interleave_highv2df, avx_interleave_lowv2df): Add movddup.
+ (*sse3_interleave_highv2df, sse3_interleave_lowv2df): New.
+ (*avx_movddup, *sse3_movddup): Remove. New splitter from
+ vec_select form to vec_duplicate form.
+ (*sse2_interleave_highv2df, sse2_interleave_lowv2df): Use
+ ix86_vec_interleave_v2df_operator_ok.
+ (avx_movddup256, avx_unpcklpd256): Change to expanders, merge into ...
+ (*avx_unpcklpd256): ... here.
+ (*vec_dupv4si_avx): New.
+ (*vec_dupv2di_avx): Add movddup alternative.
+ (*vec_dupv2di_sse3): New.
+ (vec_dup<AVX256MODE24P>): Replace avx_vbroadcasts<AVXMODEF4P> and
+ avx_vbroadcastss256; represent with vec_duplicate instead of
+ nested vec_concat operations.
+ (avx_vbroadcastf128_<mode>): Rename from
+ avx_vbroadcastf128_p<avxmodesuffixf2c>256.
+ (*avx_vperm_broadcast_v4sf): New.
+ (*avx_vperm_broadcast_<AVX256MODEF2P>): New.
+
+2009-11-30 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/42196
+ * tree-sra.c (struct access): New field grp_different_types.
+ (dump_access): Dump grp_different_types.
+ (compare_access_positions): Prefer scalars and vectors over other
+ scalar types.
+ (sort_and_splice_var_accesses): Set grp_different_types if appropriate.
+ (sra_modify_expr): Use the original also when dealing with a complex
+ or vector group accessed as multiple types.
+
+2009-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (avx_vperm2f128_parallel): New.
+ * config/i386/i386-protos.h: Declare it.
+ * config/i386/predicates.md (avx_vperm2f128_v8sf_operand,
+ avx_vperm2f128_v8si_operand, avx_vperm2f128_v4df_operand): New.
+ * config/i386/sse.md (avx_vperm2f128<mode>3): Change to expander.
+ (*avx_vperm2f128<mode>_full): Renamed from avx_vperm2f128<mode>3.
+ (*avx_vperm2f128<mode>_nozero): New.
+
+2009-11-30 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386-builtin-types.def (V4DF_FTYPE_V4DF_V4DF_V4DI): New.
+ (V8SF_FTYPE_V8SF_V8SF_V8SI): New.
+ * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Support
+ V4DF and V8SF for AVX; relax constraint on V4SF to SSE1 from SSE2.
+ (IX86_BUILTIN_VEC_PERM_V4DF, IX86_BUILTIN_VEC_PERM_V8SF): New.
+ (bdesc_args): Add them.
+ (ix86_expand_builtin): Expand them.
+ (expand_vec_perm_pshufb2): Only operate on 16-byte vectors.
+
+2009-11-30 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/42206
+ * ipa-prop.c (ipa_write_node_info): Initialize note_count to zero.
+
+2009-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ * ipa-reference.c (propagate): Only dump bitmaps if computed.
+
+2009-11-30 Olga Golovanevsky <olga@il.ibm.com>
+
+ PR middle-end/39806
+ * ipa-struct-reorg.c (new_var_eq): Use DECL_UID to hash new variables.
+ (new_var_hash): Likewise.
+ (is_in_new_vars_htab): Likewise.
+ (add_to_new_vars_htab): Likewise.
+
+2009-11-30 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vect-stmts.c (vectorizable_assignment): Support
+ multiple types.
+
+2009-11-30 Richard Guenther <rguenther@suse.de>
+
+ * doc/contrib.texi (Contributors): Add myself.
+
+2009-11-30 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (free_lang_data): Do not set debug_info_level to
+ none if terse.
+
+2009-11-30 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42119
+ PR fortran/38530
+ * expr.c (expand_expr_addr_expr_1): Properly expand the initializer
+ of CONST_DECLs.
+
+2009-11-30 Richard Guenther <rguenther@suse.de>
+
+ * tree-into-ssa.c (insert_phi_nodes): Add PHI nodes in
+ variable UID order.
+
+2009-11-30 Richard Guenther <rguenther@suse.de>
+
+ * tree-dump.c (dump_option_value_in): Add TDF_NOUID.
+ * tree-pass.h (TDF_NOUID): Likewise.
+ * print-rtl.c: Include tree-pass.h.
+ (print_mem_expr): Pass dump_flags.
+ (print_rtx): Likewise.
+ * print-tree.c: Include tree-pass.h.
+ (print_node_brief): Handle TDF_NOUID.
+ (print_node): Likewise.
+ * tree-pretty-print.c (dump_decl_name): Likewise.
+ (dump_generic_node): Likewise.
+ * Makefile.in (print-rtl.o, print-tree.o): Add $(TREE_PASS_H)
+ dependency.
+
+2009-11-30 Nick Clifton <nickc@redhat.com>
+
+ * config/stormy16/stormy16-lib2-count-leading-zeros.c: Delete.
+ * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Remove
+ stormy16-lib2-count-leading-zeros.c.
+ * config/stormy16/stormy16-lib2.c (__clzhi2): Move code from
+ __stormy16_count_leading_zeros() into this function.
+ (__ctzhi2): Use __builtin_clz.
+ (__ffshi2): Likewise.
+
+2009-11-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.c (DF_MODES): Simplify.
+ (TF_ONLY_MODES, OF_ONLY_MODES): Delete.
+ (TF_MODES, OF_MODES): Adjust for above change.
+ (TF_MODES_NO_S, OF_MODES_NO_S): Likewise.
+ * config/sparc/sparc.h (REGNO_REG_CLASS): Move around.
+
+2009-11-30 Paolo Bonzini <bonzini@gnu.org>
+
+ PR rtl-optimization/41812
+ * fwprop.c (local_md, local_lr): New globals.
+ (process_defs, process_uses): Remove local_md argument. Never
+ consider dead pseudos to have singleton def-use chains.
+ (single_def_use_enter_block): Perform LR simulation.
+ (build_single_def_use_links): Remove local_md local variable.
+ Add DF_NOTE. Allocate local_lr.
+ (fwprop_done): Do not remove DF_CHAIN, we do not use it anymore.
+ * df-problems.c (df_md_scratch): New.
+ (df_md_alloc, df_md_free): Allocate/free it.
+ (df_md_local_compute): Only include live registers in init.
+ (df_md_transfer_function): Prune the in-set computed by
+ the confluence function, and the gen-set too.
+
+2009-11-30 Hans-Peter Nilsson <hp@axis.com>
+
+ PR rtl-optimization/40086
+ * reorg.c (relax_delay_slots): When looking for redundant insn at
+ the branch target, use next_real_insn, not next_active_insn.
+
+2009-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * doc/install.texi: Update minimum MPC version to 0.8.
+
+2009-09-09 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * config/rs6000/rs6000.md (fnmaddsf4_powerpc_1): Remove
+ HONOR_SIGNED_ZEROS final condition.
+ (fnmsubsf4_powerpc_1): Same.
+ (fnmadddf4_fpr_1): Same.
+ (fnmsubdf4_fpr_1): Same.
+
+2009-11-29 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/42193
+ * tree-vect-stmts.c (vectorizable_operation): Set vectorization factor
+ to 1 in case of basic block SLP.
+ (vectorizable_load): Likewise.
+
+2009-11-28 Jan Hubicka <jh@suse.cz>
+
+ * cgraph.c (same_body_alias_1): Break out of
+ (same_body_alias): ... here; remove comdat check; it is handled
+ in cp already.
+ (cgraph_add_thunk): New.
+ (dump_cgraph_node): Dump aliases and thunks.
+ * cgraph.h (cgraph_thunk_info): New structure.
+ (struct cgraph_node): Add thunk info.
+ (cgraph_add_thunk): New.
+ * cgraphunit.c (cgraph_emit_thunks): Remove.
+ (cgraph_finalize_compilation_unit): Do not call cgraph_emit_thunks.
+ (assemble_thunk): New function.
+ (cgraph_expand_function): Handle thunks.
+ (thunk_adjust): New.
+ (init_lowered_empty_function): New.
+ * cp-objcp-common.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): Remove.
+ * lto-cgraph.c (lto_output_node): Stream thunk info.
+ (input_node): Likewise.
+ * langhooks.h (lang_hooks_for_callgraph): Remove emit_associated_thunks.
+ * langhooks-def.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): Remove.
+ (LANG_HOOKS_CALLGRAPH_INITIALIZER): Update.
+ * i386.c (x86_output_mi_thunk): Make output prettier.
+
+2009-11-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/42183
+ * tree-nrv.c (tree_nrv): Bail out if the RESULT_DECL has its
+ address taken. Merge the addressable state of the NRV
+ variable and the result instead of copying it.
+
+2009-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * matrix-reorg.c (analyze_matrix_allocation_site): Remove unused
+ malloc_fname variable.
+ (check_allocation_function): Remove unused gsi and bb_level_0
+ variables.
+ (transform_access_sites): Remove unused d_type_size and d_type_size_k
+ variables.
+ * omega.c (resurrect_subs): Remove unused n variable.
+ (omega_solve_geq): Remove unused neweqns variable.
+ * lto-streamer-in.c (lto_read_tree): Remove unused end_marker variable.
+ * tree-inline.c (declare_return_variable): Remove USE_P argument,
+ return use instead of var.
+ (remap_decl, remap_block): Remove unused fn variable.
+ (expand_call_inline): Remove unused retvar variable, adjust
+ declare_return_variable caller.
+ (optimize_inline_calls): Remove unused prev_fn variable.
+ * tree-vect-slp.c (vect_analyze_slp_instance): Remove unused ncopies
+ variable.
+ (vect_create_mask_and_perm): Remove unused group_size and dr_chain_size
+ variables.
+ * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle MINUS_EXPR
+ properly.
+ * tree-vect-loop.c (vect_analyze_loop_form): Remove unused backedge
+ variable.
+ (vect_create_epilog_for_reduction): Remove unused bytesize variable.
+ * omp-low.c (workshare_safe_to_combine_p): Remove par_entry_bb
+ parameter. Remove unused par_stmt variable.
+ (determine_parallel_type): Adjust workshare_safe_to_combine_p caller.
+ (expand_omp_sections): Remove unused l1 variable.
+ (lower_omp_for): Remove unused ilist variable.
+ * tree-loop-distribution.c (mark_nodes_having_upstream_mem_writes):
+ Remove unused has_upstream_mem_write_p variable.
+ * recog.c (decode_asm_operands): Remove unused noperands variable.
+ * tree-ssa-alias.c (refs_may_alias_p_1): Remove unused size1 and
+ size2 variable.
+ * libgcov.c (__gcov_merge_delta): Remove unused last variable.
+ * tree-call-cdce.c (gen_conditions_for_pow_int_base): Remove unused
+ base_nm variable.
+ (gen_conditions_for_pow): Remove unused ec variable.
+ * tree-ssa-sccvn.c (vn_reference_lookup_3): Remove unused size
+ variable.
+ * ipa-struct-reorg.c (program_redefines_malloc_p): Remove unused
+ fndecl variable.
+ * tree-ssa-sink.c (statement_sink_location): Remove unused code
+ variable.
+ * regmove.c (copy_src_to_dest): Remove unused insn_uid and move_uid
+ variables.
+ * tree-complex.c (create_one_component_var): Remove unused inner_type
+ variable.
+ * calls.c (emit_call_1): Don't GEN_INT (struct_value_size)
+ unnecessarily when GEN_*CALL omits that argument.
+ * regrename.c (regrename_optimize): Remove unused regs_seen variable.
+ (build_def_use): Remove unused icode variable.
+ * ipa-pure-const.c (check_call): Remove unused callee and avail
+ variables.
+ * tree-dfa.c (add_referenced_var): Remove unused v_ann variable.
+ * tree-vect-patterns.c (vect_recog_pow_pattern): Remove unused type
+ variable.
+ (vect_pattern_recog): Remove unused stmt variable.
+ * sel-sched-ir.c (make_regions_from_the_rest): Remove unused
+ new_regions variable.
+ * postreload.c (reload_cse_simplify_operands): Remove unused mode
+ variable.
+ * tree-parloops.c (create_call_for_reduction_1): Remove unused
+ addr_type variable.
+ (create_parallel_loop): Remove unused res variable.
+ (gen_parallel_loop): Remove unused nloop variable.
+ * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
+ * value-prof.c (gimple_mod_subtract_transform,
+ gimple_stringops_transform): Remove unused value variable.
+ (gimple_stringops_values_to_profile): Remove unused fcode variable.
+ * tree-vrp.c (register_new_assert_for): Remove unused found variable.
+ (vrp_visit_switch_stmt): Remove unused n variable.
+ * tree-vect-stmts.c (vectorizable_conversion): Remove unused expr
+ variable.
+ (vectorizable_operation): Remove unused shift_p variable.
+ (vectorizable_store): Remove unused first_stmt_vinfo variable.
+ * tree-ssa-operands.c (add_stmt_operand): Remove unused v_ann variable.
+ * tree-vect-data-refs.c (vect_analyze_data_refs): Remove unused bb
+ variable.
+ (vect_permute_store_chain): Remove unused scalar_dest variable.
+ (vect_supportable_dr_alignment): Remove unused invariant_in_outerloop
+ variable.
+ * tree-ssa-threadupdate.c (thread_single_edge): Remove unused
+ local_info variable.
+ * tree-optimize.c (tree_rest_of_compilation): Remove unused node
+ variable.
+ * optabs.c (expand_binop): Remove unused equiv_value variable.
+ (emit_libcall_block): Remove unused prev variable.
+ (init_optabs): Remove unused int_mode variable.
+ * tree-ssa-structalias.c (scc_visit): Remove unused have_ref_node
+ variable.
+ (do_structure_copy): Remove unused lhsbase and rhsbase variables.
+ (find_func_aliases): Remove unused rhstype variable.
+ (ipa_pta_execute): Remove unused varid variable.
+
+2009-11-28 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
+
+ * config/avr/avr.h (ASM_OUTPUT_EXTERNAL): Add.
+
+2009-11-28 David Binderman <dcb314@hotmail.com>
+
+ * ira-color.c (put_allocno_into_bucket): Remove set but not used
+ local variable hard_regs_num.
+ * ira-lives.c (process_single_reg_class_operands): Remove cover_class.
+ * loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
+ * lower-subreg.c (decompose_multiword_subregs): Remove next.
+
+2009-11-27 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/42006
+ * tree-sra.c (get_replaced_param_substitute): Call create_tmp_var
+ instead of create_tmp_var. Set DECL_GIMPLE_REG_P to one manually
+ for vector and complex types.
+ (get_adjustment_for_base): Describe return value in the comment.
+
+2009-11-27 Nick Clifton <nickc@redhat.com>
+
+ * longlong.h (count_leading_zeros): Define macro for stormy16
+ target.
+ (COUNT_LEADING_ZEROS_0): Likewise.
+ * config/stormy16/stormy16-lib2.c: Arrange for separate
+ compilation of each function.
+ (__ffshi2): New function.
+ (__stormy16_count_leading_zeros): New function.
+ * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Use stub files to
+ compile each function into its own object file.
+ (stormy16-lib2-ashlsi3.c): New stub file.
+ (stormy16-lib2-ashrsi3.c): New stub file.
+ (stormy16-lib2-clzhi2.c): New stub file.
+ (stormy16-lib2-count-leading-zeros.c): New stub file.
+ (stormy16-lib2-ctzhi2.c): New stub file.
+ (stormy16-lib2-divsi3.c): New stub file.
+ (stormy16-lib2-ffshi2.c): New stub file.
+ (stormy16-lib2-lshrsi3.c): New stub file.
+ (stormy16-lib2-modsi3.c): New stub file.
+ (stormy16-lib2-parityhi2.c): New stub file.
+ (stormy16-lib2-popcounthi2.c): New stub file.
+ (stormy16-lib2-udivmodsi4.c): New stub file.
+ (stormy16-lib2-udivsi3.c): New stub file.
+ (stormy16-lib2-umodsi3.c): New stub file.
+
+2009-11-27 Richard Henderson <rth@redhat.com>
+
+ * config/i386/sse.md (vec_interleave_highv16qi,
+ vec_interleave_lowv16qi, vec_interleave_highv8hi,
+ vec_interleave_lowv8hi, vec_interleave_highv4si,
+ vec_interleave_lowv4si, vec_interleave_highv2di,
+ vec_interleave_lowv2di, vec_interleave_highv4sf,
+ vec_interleave_lowv4sf, vec_interleave_highv2df,
+ vec_interleave_lowv2df): Remove expanders.
+ (sse_unpcklps, sse_unpckhps, sse2_unpckhpd_exp, sse2_unpcklpd_exp,
+ sse2_punpckhqdq, sse2_punpcklqdq, sse2_punpckhbw, sse2_punpcklbw,
+ sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq):
+ Rename to their proper vec_interleave equivalent. Update all users
+ to the new name.
+ * config/i386/i386.c, config/i386/i386.md: Update all users.
+
+2009-11-27 Michael Matz <matz@suse.de>
+
+ PR rtl-optimization/42084
+ * cfgexpand.c (maybe_cleanup_end_of_block): Add new parameter,
+ use it to stop walking.
+ (expand_gimple_cond): Adjust call to above.
+
2009-11-27 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR target/41810
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