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2011-05-13 Martin Thuresson <martint@google.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index b98c123..b8ee6d3 100644 (file)
@@ -1,3 +1,514 @@
+2011-05-13  Martin Thuresson  <martint@google.com>
+
+       PR gcov-profile/47793
+       * libgcov.c (gcov_exit): Support relative profile paths.
+       * doc/invoke.texi (-fprofile-dir): Update for above change.
+
+2011-05-13  Richard Guenther  <rguenther@suse.de>
+
+       * gimple.c (gimple_canonical_types_compatible_p): Do not use
+       type-pair caching, do not compare hashes.
+
+2011-05-13  Nathan Froyd  <froydnj@codesourcery.com>
+
+       PR middle-end/48965
+       * tree-cfg.c (edge_to_cases_cleanup): Return true.
+       (verify_expr) [CASE_LABEL_EXPR]: Add checking.
+
+2011-05-13  Kai Tietz  <ktietz@redhat.com>
+
+       * gimplify.c (gimplify_expr): Make sure operand is boolified.
+       * tree-cfg.c (verify_gimple_assign_unary): Check for boolean
+       compatible type for TRUTH_NOT_EXPR.
+
+2011-05-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_save_reg): Change return type to
+       bool.
+       (ix86_hard_regno_mode_ok): Change return value to bool.  Use
+       can_create_pseudo_p ().
+
+2011-05-13  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/48978
+       * gimple.c (iterative_hash_gimple_type): Revert change in
+       pointer target and function result and argument hashing.
+
+2011-05-13  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*movxf_internal): Use !can_create_pseudo ().
+       (*movxf_internal_nointeger): Ditto.
+       (*movdf_internal_rex64): Ditto.
+       (*movdf_internal): Ditto.
+       (*movdf_internal_nointeger): Ditto.
+       (*movsf_internal): Ditto.
+       (sincos splitters): Use can_create_pseudo ().
+
+2011-05-13  Joseph Myers  <joseph@codesourcery.com>
+
+       * config/i386/i386-opts.h: New.
+       * gcc/config/i386/i386.c (stringop_alg, ix86_cmodel,
+       ix86_asm_dialect, ix86_regparm, ix86_abi, ix86_branch_cost,
+       ix86_section_threshold): Remove.
+       (ix86_handle_option): Move MAX_CODE_ALIGN define here.  Handle
+       OPT_malign_loops_, OPT_malign_jumps_, OPT_malign_functions_ and
+       OPT_mbranch_cost_.
+       (ix86_option_override_internal): Don't decode strings for options
+       other than -march=, -mtune= and -mfpmath=.  Don't allow for
+       __attribute__ uses in remaining diagnostics for options with
+       string arguments.  Don't check for integer arguments being negative.
+       * gcc/config/i386/i386.h (enum stringop_alg, enum calling_abi,
+       enum tls_dialect, enum cmodel, enum asm_dialect): Move to i386-opts.h.
+       (ix86_abi, ix86_tls_dialect, ix86_cmodel, ix86_asm_dialect,
+       ix86_branch_cost, ix86_section_threshold): Remove.
+       * gcc/config/i386/i386.opt (config/i386/i386-opts.h): New
+       HeaderInclude.
+       (malign-functions=, malign-jumps=, malign-loops=): Use UInteger
+       but not Var.
+       (masm=): Use Enum and Init.
+       (asm_dialect): New Enum and EnumValue entries.
+       (mbranch-cost=): Use UInteger.
+       (mlarge-data-threshold=): Use UInteger and Init.
+       (mcmodel=): Use Enum and Init.
+       (cmodel): New Enum and EnumValue entries.
+       (mpc): Replace with separate mpc32, mpc64 and mpc80 entries.
+       (mpreferred-stack-boundary=, mincoming-stack-boundary=,
+       mregparm=): Use UInteger.
+       (mstringop-strategy=): Use Enum and Init.
+       (stringop_alg): New Enum and EnumValue entries.
+       (mtls-dialect=): Use Enum and Init.
+       (tls_dialect): New Enum and EnumValue entries.
+       (mabi=): Use Enum and Init.
+       (calling_abi): New Enum and EnumValue entries.
+       (mveclibabi=): Use Enum and Init.
+       (ix86_veclibabi): New Enum and EnumValue entries.
+
+2011-05-13  Nick Clifton  <nickc@redhat.com>
+
+       * config/rx/rx.md (mov expander): Fix use of rx_legitimate_constant_p.
+       * config/rx/rx-protos.h (rx_legitimate_constant_p): Rename prototype.
+
+2011-05-13  Kai Tietz  <ktietz@redhat.com>
+
+       PR middle-end/48984
+       * gimplify.c (gimplify_expr): Check for boolean_type_node instead
+       for BOOLEAN_TYPE for TRUTH-NOT/AND/OR/XOR.
+       (gimple_boolify): Check for cast for boolean_type_node instead for
+       BOOLEAN_TYPE.
+
+2011-05-13  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/48172
+       * tree-vect-loop-manip.c (vect_vfa_segment_size): Avoid
+       multiplying by number of iterations for equal step.
+       (vect_create_cond_for_alias_checks): Likewise.
+
+2011-05-13  Andreas Schwab  <schwab@redhat.com>
+
+       * configure.ac: Use AS_HELP_STRING throughout.
+       * configure: Regenerate.
+
+>>>>>>> .r173734
+2011-05-12  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_save_reg): Change maybe_eh_return to bool.
+       (ix86_emit_restore_regs_using_mov): Likewise.
+       (ix86_emit_restore_sse_regs_using_mov): Likewise.
+
+2011-05-12  Anatoly Sokolov  <aesok@post.ru>
+
+       * config/sparc/sparc.h (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P,
+       SYMBOLIC_CONST, RTX_OK_FOR_BASE_P, RTX_OK_FOR_INDEX_P): Remove.
+       (RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Move to...
+       * config/sparc/sparc.c (RTX_OK_FOR_OFFSET_P,
+       RTX_OK_FOR_OLO10_P): ...here.
+       (sparc_mode_dependent_address_p): Use symbolic_operand instead of
+       SYMBOLIC_CONST.
+
+2011-05-12  Kai Tietz  <ktietz@redhat.com>
+
+       * gimplify.c (gimple_boolify): Re-boolify expression
+       arguments even if expression type is of kind BOOLEAN_TYPE.
+       (gimplify_boolean_expr): Removed.
+       (gimplify_expr): Boolify truth opcodes AND, ANDIF, OR, ORIF,
+       and XOR. Additional take care that we keep expression's type.
+       * tree-cfg.c (verify_gimple_assign_binary): Adjust check for type
+       of TRUTH_AND|OR|XOR_EXPR.
+
+2011-05-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/48975
+       * tree-if-conv.c (combine_blocks): Call free_bb_predicate
+       on all bbs here and free and clear ifc_bbs at the end.
+
+2011-05-12  Richard Guenther  <rguenther@suse.de>
+
+       * gimple.c (gtc_visit): Compare TREE_ADDRESSABLE, handle
+       NULLPTR_TYPE similar to VOID_TYPE.  Defer type-leader lookup
+       until after simple checks.
+       (gimple_types_compatible_p): Likewise.
+       (iterative_hash_gimple_type): Always hash pointer targets
+       and function return and argument types.
+       (iterative_hash_canonical_type): Do not hash TYPE_QUALS,
+       hash TYPE_ALIGN.  Do not hash TYPE_MIN/MAX_VALUE.
+       (gimple_canonical_types_compatible_p): Compare TREE_ADDRESSABLE,
+       handle NULLPTR_TYPE similar to VOID_TYPE.  Handle non-aggregates
+       completely in the simple compare section.
+       (gimple_register_canonical_type): Query the cache again after
+       registering.
+
+2011-05-12  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/48172
+       * tree-vect-loop-manip.c (vect_vfa_segment_size): Do not exclude
+       the number of iterations from the segment size calculation.
+       (vect_create_cond_for_alias_checks): Adjust.
+
+2011-05-12  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/48967
+       * var-tracking.c (use_narrower_mode_test) <case REG>: Return 1
+       if validate_subreg fails.
+
+2011-05-12  Hariharan Sandanagobalane  <hariharan@picochip.com>
+
+       * ira.c (clarify_prohibited_class_mode_regs): Prevent the function from
+       accessing beyond the end of REGNO_REG_CLASS array by stopping the loop
+       early.
+
+2011-05-12  DJ Delorie  <dj@redhat.com>
+
+       * config/rx/rx.c (rx_builtins): New arrays - holds builtin functions.
+       (ADD_RX_BUILTIN1, ADD_RX_BUILTIN2, ADD_RX_BUILTIN3): Install
+       created builtin into rx_builtins array.
+       (rx_builtin_decl): New function.
+       (TARGET_BUITLIN_DECL): Define.  Include gt-rx.h.
+
+2011-05-12  DJ Delorie  <dj@redhat.com>
+           Nick Clifton  <nickc@redhat.com>
+
+       * config/rx/rx.h (HAVE_PRE_DECREMENT): Fix typo.
+       * config/rx/rx.c (CC_FLAG_FP): Fix comment.
+       (rx_is_legitimate_address): Add pre-decrement and post-increment
+       addressing in HImode and QImode.  Fix test for out of range
+       REG+INT addressing.
+       (rx_legitimate_constant_p): Rename to rx_is_legitimate_constant.
+       (rx_align_for_label): Test label before extracting its usage count.
+       (rx_adjust_insn_lengths): Fix selection of insn codes.
+       (TARGET_LEGITIMATE_CONSTANT_P): Use renamed function.
+
+2011-05-11  Jason Merrill  <jason@redhat.com>
+
+       * tree.c (type_hash_canon): Use struct tree_type_non_common.
+
+2011-05-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * cfgrtl.c (commit_one_edge_insertion): Remove always-true test and
+       reindent the subsequent block.
+
+2011-05-11  Satoru Takabayashi  <satorux@google.com>
+           Paul Pluzhnikov  <ppluzhnikov@google.com>
+
+       * doc/install.texi (Configuration): Document --with-linker-hash-style.
+       * gcc.c (init_spec): Handle LINKER_HASH_STYLE.
+       * config.in: Add LINKER_HASH_STYLE.
+       * configure.ac: Add --with-linker-hash-style.
+       * configure: Regenerate.
+
+2011-05-11  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/48964
+       * gimple.c (iterative_hash_canonical_type): Fix typo.
+
+2011-05-11  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.c (legitimize_tls_address)
+       <TLS_MODEL_GLOBAL_DYNAMIC>: Call gen_tls_dynamic_gnu2_{32,64}
+       expanders directly for TARGET_GNU2_TLS.  Determine pic and
+       __tls_get_addr symbol reference here.  Update call to
+       gen_tls_global_dynamic_{32,64} for added arguments.
+       <TLS_MODEL_LOCAL_DYNAMIC>: Call gen_tls_dynamic_gnu2_{32,64}
+       expanders directly for TARGET_GNU2_TLS.  Determine
+       __tls_get_addr symbol reference here.  Update call to
+       gen_tls_local_dynamic_base_{32,64} for added arguments.  Attach
+       unique UNSPEC REG_EQUIV to libcall block.
+       (ix86_tls_get_addr): Declare static.
+       * config/i386/i386-protos.h (ix86_tls_get_addr): Remove declaration.
+       * config/i386/i386.md (tls_global_dynamic_32): Add operand 2 and 3.
+       Do not determine pic and __tls_get_addr symbol reference here. Do not
+       call gen_tls_dynamic_gnu2_32 for TARGET_GNU2_TLS.
+       (tls_local_dynamic_base_32): Ditto for operands 1 and 2.
+       (tls_global_dynamic_64): Add operand 2.  Do not determine
+       __tls_get_addr symbol reference here.  Do not call
+       gen_tls_dynamic_gnu2_64 for TARGET_GNU2_TLS here.
+       (tls_local_dynamic_base64): Ditto for operand 1.
+
+2011-05-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * function.c (expand_function_start): Initialize stack_check_probe_note
+       only if the generic stack checking mechanism is used.
+
+2011-05-11  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/15256
+       * tree-ssa-forwprop.c (simplify_bitwise_binary): Canonicalize
+       (A & B) | C, combine (A op CST1) op CST2.
+       (tree_ssa_forward_propagate_single_use_vars): Only bother to
+       visit assigns that have uses.
+
+2011-05-11  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * ggc-page.c (extra_order_size_table): Use struct tree_type_non_common.
+       * lto-streamer-in.c (unpack_ts_type_value_fields): Rename to...
+       (unpack_ts_type_common_value_fields): ...this.  Update comment.
+       (unpack_value_fields): Adjust for renaming.
+       (lto_input_ts_type_tree_pointers): Split into...
+       (lto_input_ts_type_common_tree_pointer): ...this and...
+       (lto_input_ts_type_non_common_tree_pointers): ...this.
+       (lto_input_tree_pointers): Adjust for above split.
+       * lto-streamer-out.c (pack_ts_type_value_fields): Rename to...
+       (pack_ts_type_common_value_fields): ...this.  Update comment.
+       (lto_output_ts_type_tree_pointers): Split into...
+       (lto_output_ts_type_common_tree_pointers): ...this and...
+       (lto_output_ts_type_non_common_tree_pointers): ...this.
+       (lto_output_tree_pointers): Adjust for above split.
+       * lto-streamer.c (check_handled_ts_structures): Mark TS_TYPE_COMMON,
+       TS_TYPE_WITH_LANG_SPECIFIC, and TS_TYPE_NON_COMMON as handled.
+       * stor-layout.c (vector_type_mode): Adjust location of mode field.
+       * tree.h (MARK_TS_TYPE_COMMON, MARK_TS_TYPE_WITH_LANG_SPECIFIC):
+       Define.
+       (struct tree_type): Split into...
+       (struct tree_type_common: ...this and...
+       (struct tree_type_with_lang_specific): ...this and...
+       (struct tree_type_non_common): ...this.  Adjust accessor macros
+       accordingly.
+       (TYPE_VALUES_RAW): Define.
+       (union tree_node): Update for above changes.
+       * tree.c (tree_node_structure_for_code) [tcc_type]: Return
+       TS_TYPE_NON_COMMON.
+       (initialize_tree_contains_struct) [TS_TYPE]: Use TS_TYPE_COMMON.
+       Add TS_TYPE_WITH_LANG_SPECIFIC and TS_TYPE_NON_COMMON.
+       (tree_code_size) [tcc_type]: Use struct tree_type_non_common.
+       * treestructu.def (TS_TYPE): Remove.
+       (TS_TYPE_COMMON, TS_TYPE_WITH_LANG_SPECIFIC, TS_TYPE_NON_COMMON):
+       Define.
+
+2011-05-11  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/48159
+       * tree-ssa.c (reset_debug_uses): New function.
+       * tree-flow.h (reset_debug_uses): New prototype.
+       * tree-data-ref.c (stmts_from_loop): Ignore debug stmts.
+       * tree-loop-distribution.c (generate_loops_for_partition): Call
+       reset_debug_uses on the stmts that will be removed.  Keep around
+       all debug stmts, don't count them as bits in partition bitmap.
+       (generate_builtin): Don't count debug stmts or labels as bits in
+       partition bitmap.
+
+2011-05-11  Richard Guenther  <rguenther@suse.de>
+
+       * gimple.c (gimple_type_hash_1): Merge with ...
+       (gimple_type_hash): ... this.
+       (gtc_visit): Remove mode parameter and simplify accordingly.
+       (gimple_types_compatible_p_1): Likewise.
+       (gimple_types_compatible_p): Likewise.
+       (iterative_hash_gimple_type): Likewise.
+       (visit): Likewise.
+       (gimple_type_eq): Adjust.
+
+2011-05-11  Revital Eres  <revital.eres@linaro.org>
+
+       * ddg.c (create_ddg_dep_from_intra_loop_link): If a true dep edge
+       enters the branch create an anti edge in the opposite direction
+       to prevent the creation of reg-moves.
+       * modulo-sched.c: Adjust comment to reflect the fact we are
+       scheduling closing branch.
+       (PS_STAGE_COUNT): Rename to CALC_STAGE_COUNT and redefine.
+       (stage_count): New field in struct partial_schedule.
+       (calculate_stage_count): New function.
+       (normalize_sched_times): Rename to reset_sched_times and handle
+       incrementing the sched time of the nodes by a constant value
+       passed as parameter.
+       (duplicate_insns_of_cycles): Skip closing branch.
+       (sms_schedule_by_order): Schedule closing branch.
+       (ps_insn_find_column): Handle closing branch.
+       (sms_schedule): Call reset_sched_times and adjust the code to
+       support scheduling of the closing branch.
+       (ps_insert_empty_row): Update calls to normalize_sched_times
+       and rotate_partial_schedule functions.
+
+2011-05-11  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/48953
+       * tree-inline.c (remap_gimple_op_r): Also remap types of MEM_REFs.
+
+2011-05-11  Joseph Myers  <joseph@codesourcery.com>
+
+       * opts.c (finish_options): Move warning settings from process_options.
+       * toplev.c (process_options): Move warning settings to finish_options.
+
+2011-05-11  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/18041
+       * tree-ssa-forwprop.c (simplify_bitwise_and): Rename to ...
+       (simplify_bitwise_binary): ... this.  Handle operand conversions
+       by applying them to the result instead.
+       (tree_ssa_forward_propagate_single_use_vars): Adjust.  CSE tree code.
+
+2011-05-11  Richard Guenther  <rguenther@suse.de>
+
+       * gimple.c (gimple_canonical_types_compatible_p): Split out
+       from gimple_types_compatible_p and friends.  Do not recurse
+       to pointed-to types.
+       (gimple_canonical_type_eq): Use it.
+       (iterative_hash_canonical_type): Split out from
+       iterative_hash_gimple_type and friends.  Do not recurse
+       to pointed-to types.
+       (gimple_canonical_type_hash): Use it, allocate the hash here.
+
+2011-05-11  Revital Eres  <revital.eres@linaro.org>
+
+       * modulo-sched.c (doloop_register_get): Ignore DEBUG_INSNs while
+       recognizing doloop.
+
+2011-05-11  Revital Eres  <revital.eres@linaro.org>
+
+       * loop-doloop.c (doloop_condition_get): Use prev_nondebug_insn
+       instead of PREV_INSN.
+
+2011-05-11  Revital Eres  <revital.eres@linaro.org>
+
+       * modulo-sched.c (sms_schedule): Support new form of doloop pattern
+       * loop-doloop.c (doloop_condition_get): Likewise.
+       * config/arm/thumb2.md (*thumb2_addsi3_compare0): Remove "*".
+       (doloop_end): New.
+       * config/arm/arm.md (*addsi3_compare0): Remove "*".
+
+2011-05-10  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * tree.def (CASE_LABEL_EXPR): Add an operand.
+       * tree.h (CASE_CHAIN): Use TREE_OPERAND instead of TREE_CHAIN.
+
+2011-05-10  Joseph Myers  <joseph@codesourcery.com>
+
+       * c-decl.c (c_override_global_bindings_to_false): Remove.
+       (global_bindings_p): Don't check
+       c_override_global_bindings_to_false.
+       * c-tree.h (c_override_global_bindings_to_false): Remove.
+       * c-typeck.c (composite_type): Don't set
+       c_override_global_bindings_to_false.
+
+2011-05-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+       PR target/48857, 48495
+       * config/rs6000/rs6000.h (VSX_SCALAR_MODE): Delete.
+       (VSX_MODE): Ditto.
+       (VSX_MOVE_MODE): Ditto.
+       (ALTIVEC_OR_VSX_VECTOR_MODE): New macro, combine all Altivec and
+       VSX vector types.  Add V2DImode.
+       (HARD_REGNO_CALLER_SAVE_MODE): Use it instead of
+       ALTIVEC_VECTOR_MODE and VSX_VECTOR_MODE calls.
+       (MODES_TIEABLE_P): Ditto.
+
+       * config/rs6000/rs6000.c (rs6000_emit_move): Use
+       ALTIVEC_OR_VSX_MODE instead of ALTIVEC_VECTOR_MODE and
+       VSX_VECTOR_MODE.
+       (init_cumulative_args): Ditto.
+       (rs6000_function_arg_boundary): Ditto.
+       (rs6000_function_arg_advance_1): Ditto.
+       (rs6000_function_arg): Ditto.
+       (rs6000_function_ok_for_sibcall): Ditto.
+       (emit_frame_save): Ditto.
+       (rs6000_function_value): Ditto.
+       (rs6000_libcall_value): Ditto.
+
+2011-05-10  Joseph Myers  <joseph@codesourcery.com>
+
+       * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
+       i386/darwin-lib.h to $libgcc_tm_file.
+       * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Remove.
+
+2011-05-10  Joseph Myers  <joseph@codesourcery.com>
+
+       * doc/sourcebuild.texi (Back End): Mention contrib/config-list.mk.
+
+2011-05-10  Joseph Myers  <joseph@codesourcery.com>
+
+       * config/rs6000/genopt.sh, config/rs6000/rs6000-cpus.def: New files.
+       * config/rs6000/rs6000-tables.opt: New file (generated).
+       * config.gcc (powerpc*-*-*, rs6000*-*-*): Add
+       rs6000/rs6000-tables.opt to extra_options.
+       * config/rs6000/rs6000-opts.h (RS6000_CPU_OPTION_NATIVE): Define.
+       * config/rs6000/rs6000.c (rs6000_select): Remove.
+       (processor_target_table): Move contents to rs6000-cpus.def.
+       (darwin_rs6000_override_options): Check
+       global_options_set.x_rs6000_cpu_index instead of
+       rs6000_select[1].string.
+       (rs6000_option_override_internal): Likewise.
+       (rs6000_handle_option): Don't assert that global structures are in
+       use.  Don't handle OPT_mcpu_ and OPT_mtune_ here.
+       (rs6000_default_cpu): New variable.
+       (rs6000_file_start): Set it instead of local default_cpu.  Check
+       rs6000_default_cpu, global_options_set.x_rs6000_cpu_index and
+       global_options_set.x_rs6000_tune_index instead of rs6000_select.
+       (rs6000_darwin_file_start): Check rs6000_default_cpu and
+       global_options_set.x_rs6000_cpu_index instead of rs6000_select.
+       * config/rs6000/rs6000.h (struct rs6000_cpu_select,
+       rs6000_select): Remove.
+       * config/rs6000/rs6000.opt (rs6000_cpu_index, rs6000_tune_index):
+       Remove.
+       (mcpu=, mtune=): Use Var, Init, Enum and Save.
+       * config/rs6000/t-rs6000
+       ($(srcdir)/config/rs6000/rs6000-tables.opt): New.
+       * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
+       global_options_set.x_rs6000_cpu_index instead of
+       rs6000_select[1].string.
+       * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
+       global_options_set.x_rs6000_cpu_index instead of
+       rs6000_select[1].string.
+
+2011-05-10  Joseph Myers  <joseph@codesourcery.com>
+
+       * config.gcc (libgcc_tm_file): Define instead of including files
+       from ../../libgcc/config/ in tm_file.
+       * configure.ac (libgcc_tm_file_list, libgcc_tm_include_list): Define.
+       * configure: Regenerate.
+       * Makefile.in (libgcc_tm_file_list, libgcc_tm_include_list,
+       libgcc_tm.h, cs-libgcc_tm.h): New.
+       (TM_H): Include libgcc_tm.h and $(libgcc_tm_file_list).
+       (clean): Remove libgcc_tm.h.
+       * config/arm/symbian.h (RENAME_LIBRARY): Remove.
+       * mkconfig.sh: Include libgcc_tm.h in tm.h if USED_FOR_TARGET.
+       * system.h (DECLARE_LIBRARY_RENAMES): Poison.
+
+2011-05-10  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/48896
+       * config/avr/avr.c (avr_ret_register): Return unsigned int
+       instead of int.
+       (avr_function_value): Mark fn_decl_or_type as unused, don't pass
+       it to avr_libcall_value.
+       avr_expand_builtin): Use EXPAND_NORMAL as arg 4 in calls to
+       expand_expr.
+       (avr_expand_binop_builtin): Ditto.
+       (avr_expand_unop_builtin): Ditto.
+
+2011-05-10  DJ Delorie  <dj@redhat.com>
+
+       * config/rx/rx.h (JUMP_ALIGN, LABEL_ALIGN, LOOP_ALIGN): Define.
+       (LABEL_ALIGN_AFTER_BARRIER): Pass label to rx_align_for_label
+       * config/rx/rx.c (rx_align_for_label): Add label and
+       uses_threshold parameters.  Do not align when the label is not
+       used enough.
+       * config/rx/rx-protos.h (rx_align_for_label): Update prototype.
+
+2011-05-10  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-forwprop.c (combine_conversions): Pattern-match
+       a series of conversions and apply foldings similar to what
+       fold-const does.
+       (tree_ssa_forward_propagate_single_use_vars): Call it.
+
 2011-05-10  Jakub Jelinek  <jakub@redhat.com>
 
        PR tree-optimization/48611