+2014-08-28 Bin Cheng <bin.cheng@arm.com>
+
+ * tree-ssa-loop-ivopts.c (iv_ca_add_use): Delete parameter
+ important_candidates. Consider all important candidates if
+ IVS doesn't give any result. Remove check on ivs->upto.
+ (try_add_cand_for): Call iv_ca_add_use only once.
+
+2014-08-28 Alexander Ivchenko <alexander.ivchenko@intel.com>
+ Maxim Kuznetsov <maxim.kuznetsov@intel.com>
+ Anna Tikhonova <anna.tikhonova@intel.com>
+ Ilya Tocar <ilya.tocar@intel.com>
+ Andrey Turetskiy <andrey.turetskiy@intel.com>
+ Ilya Verbin <ilya.verbin@intel.com>
+ Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ (define_mode_iterator VI12_AVX2): Add V64QI and V32HI modes.
+ (define_expand "<sse2_avx2>_<plusminus_insn><mode>3<mask_name>"): Add
+ masking.
+ (define_insn "*<sse2_avx2>_<plusminus_insn><mode>3<mask_name>"): Ditto.
+ (define_expand "<sse2_avx2>_uavg<mode>3<mask_name>"): Ditto.
+ (define_insn "*<sse2_avx2>_uavg<mode>3<mask_name>"): Ditto.
+ (define_insn "*mul<mode>3"): Add EVEX version.
+
+2014-08-28 Alexander Ivchenko <alexander.ivchenko@intel.com>
+ Maxim Kuznetsov <maxim.kuznetsov@intel.com>
+ Anna Tikhonova <anna.tikhonova@intel.com>
+ Ilya Tocar <ilya.tocar@intel.com>
+ Andrey Turetskiy <andrey.turetskiy@intel.com>
+ Ilya Verbin <ilya.verbin@intel.com>
+ Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * config/i386/sse.md
+ (define_insn "avx512bw_interleave_highv64qi<mask_name>"): New.
+ (define_insn "avx2_interleave_highv32qi<mask_name>"): Add masking.
+ (define_insn "vec_interleave_highv16qi<mask_name>"): Ditto.
+ (define_insn "avx2_interleave_lowv32qi<mask_name>"): Ditto.
+ (define_insn "vec_interleave_lowv16qi<mask_name>"): Ditto.
+ (define_insn "avx2_interleave_highv16hi<mask_name>"): Ditto.
+ (define_insn "vec_interleave_highv8hi<mask_name>"): Ditto.
+ (define_insn "avx2_interleave_lowv16hi<mask_name>"): Ditto.
+ (define_insn "vec_interleave_lowv8hi<mask_name>"): Ditto.
+ (define_insn "avx2_interleave_highv8si<mask_name>"): Ditto.
+ (define_insn "vec_interleave_highv4si<mask_name>"): Ditto.
+ (define_insn "avx2_interleave_lowv8si<mask_name>"): Ditto.
+ (define_insn "vec_interleave_lowv4si<mask_name>"): Ditto.
+ (define_insn "vec_interleave_highv16qi<mask_name>"): New.
+ (define_insn "avx512bw_interleave_highv32hi<mask_name>"): Ditto.
+ (define_insn "<mask_codefor>avx512bw_interleave_lowv32hi<mask_name>"): Ditto.
+
+2014-08-28 Alexander Ivchenko <alexander.ivchenko@intel.com>
+ Maxim Kuznetsov <maxim.kuznetsov@intel.com>
+ Anna Tikhonova <anna.tikhonova@intel.com>
+ Ilya Tocar <ilya.tocar@intel.com>
+ Andrey Turetskiy <andrey.turetskiy@intel.com>
+ Ilya Verbin <ilya.verbin@intel.com>
+ Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * config/i386/sse.md
+ (define_mode_iterator VIMAX_AVX2): Add V4TI mode.
+ (define_insn "<sse2_avx2>_ashl<mode>3"): Add EVEX version.
+ (define_insn "<sse2_avx2>_lshr<mode>3"): Ditto.
+
+2014-08-28 Alexander Ivchenko <alexander.ivchenko@intel.com>
+ Maxim Kuznetsov <maxim.kuznetsov@intel.com>
+ Anna Tikhonova <anna.tikhonova@intel.com>
+ Ilya Tocar <ilya.tocar@intel.com>
+ Andrey Turetskiy <andrey.turetskiy@intel.com>
+ Ilya Verbin <ilya.verbin@intel.com>
+ Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * config/i386/sse.md
+ (define_mode_iterator VI128_256): New.
+ (define_insn "<mask_codefor><code><mode>3<mask_name>"): Ditto.
+
+2014-08-28 Alexander Ivchenko <alexander.ivchenko@intel.com>
+ Maxim Kuznetsov <maxim.kuznetsov@intel.com>
+ Anna Tikhonova <anna.tikhonova@intel.com>
+ Ilya Tocar <ilya.tocar@intel.com>
+ Andrey Turetskiy <andrey.turetskiy@intel.com>
+ Ilya Verbin <ilya.verbin@intel.com>
+ Kirill Yukhin <kirill.yukhin@intel.com>
+ Michael Zolotukhin <michael.v.zolotukhin@intel.com>
+
+ * config/i386/sse.md
+ (define_mode_iterator VI8_256_512): New.
+ (define_insn "<mask_codefor>avx512dq_cvtps2qq<mode><mask_name><round_name>"):
+ Ditto.
+ (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
+ (define_insn "<mask_codefor>avx512dq_cvtps2uqq<mode><mask_name><round_name>"):
+ Ditto.
+ (define_insn "<mask_codefor>avx512dq_cvtps2uqqv2di<mask_name>"): Ditto.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * varasm.c (compute_reloc_for_rtx_1): Take a const_rtx. Remove the
+ pointer to the cumulative reloc value and return the value for
+ this reloc instead.
+ (compute_reloc_for_rtx): Take a const_rtx. Call
+ compute_reloc_for_rtx_1 directly for SYMBOL_REF and LABEL_REF,
+ avoiding any recursion. Use FOR_EACH_SUBRTX rather than
+ for_each_rtx for the CONST case.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * varasm.c (mark_constant): Replace this for_each_rtx callback with...
+ (mark_constants_in_pattern): ...this new function to iterate over
+ all the subrtxes.
+ (mark_constants): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * varasm.c: Include rtl-iter.h.
+ (const_rtx_hash_1): Take a const_rtx rather than an rtx *.
+ Remove the pointer to the cumulative hashval_t and just return
+ the hash for this rtx instead. Remove recursive CONST_VECTOR case.
+ (const_rtx_hash): Use FOR_EACH_SUBRTX instead of for_each_rtx.
+ Accumulate the hashval_ts here instead of const_rtx_hash_1.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * var-tracking.c (add_uses): Take an rtx rather than an rtx *.
+ Give real type of data parameter. Remove return value.
+ (add_uses_1): Use FOR_EACH_SUBRTX_VAR rather than for_each_rtx
+ to iterate over subrtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * var-tracking.c (use_narrower_mode_test): Turn from being a
+ for_each_rtx callback to being a function that examines each
+ subrtx itself.
+ (adjust_mems): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * var-tracking.c (non_suitable_const): Turn from being a for_each_rtx
+ callback to being a function that examines each subrtx itself.
+ Remove handling of null rtxes.
+ (add_uses): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * var-tracking.c: Include rtl-iter.h.
+ (rtx_debug_expr_p): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself.
+ (use_type): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * store-motion.c: Include rtl-iter.h.
+ (extract_mentioned_regs_1): Delete.
+ (extract_mentioned_regs): Use FOR_EACH_SUBRTX_VAR rather than
+ for_each_rtx to iterate over subrtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * sel-sched.c: Include rtl-iter.h
+ (count_occurrences_1): Delete.
+ (count_occurrences_equiv): Turn rtxes into const_rtxes.
+ Use FOR_EACH_SUBRTX rather than for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (tls_referenced_p): Take a const_rtx rather than an rtx.
+ * rtlanal.c (tls_referenced_p_1): Delete.
+ (tls_referenced_p): Take a const_rtx rather than an rtx.
+ Use FOR_EACH_SUBRTX rather than for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (for_each_inc_dec_fn): Remove special case for -1.
+ (for_each_inc_dec): Take an rtx rather than an rtx *.
+ * cselib.c (cselib_record_autoinc_cb): Update accordingly.
+ (cselib_record_sets): Likewise.
+ * dse.c (emit_inc_dec_insn_before, check_for_inc_dec_1)
+ (check_for_inc_dec): Likewise.
+ * rtlanal.c (for_each_inc_dec_ops): Delete.
+ (for_each_inc_dec_find_inc_dec): Take the MEM as argument,
+ rather than a pointer to the memory address. Replace
+ for_each_inc_dec_ops argument with separate function and data
+ arguments. Abort on non-autoinc addresses.
+ (for_each_inc_dec_find_mem): Delete.
+ (for_each_inc_dec): Take an rtx rather than an rtx *. Use
+ FOR_EACH_SUBRTX_VAR to visit every autoinc MEM.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (find_all_hard_regs): Declare.
+ * rtlanal.c (find_all_hard_regs): New function.
+ (record_hard_reg_uses_1): Delete.
+ (record_hard_reg_uses): Use find_all_hard_regs.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (replace_label_data): Delete.
+ (replace_label): Take the old label, new label and update-nuses flag
+ as direct arguments. Return void.
+ * cfgcleanup.c (outgoing_edges_match): Update accordingly.
+ * rtlanal.c (replace_label): Update interface as above. Handle
+ JUMP_TABLE_DATA as a special case. Handle JUMPs outside the
+ iterator. Use FOR_EACH_SUBRTX_PTR.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (get_pool_constant, rtx_referenced_p): Replace rtx parameters
+ with const_rtx parameters.
+ * varasm.c (get_pool_constant): Likewise.
+ * rtlanal.c (rtx_referenced_p_1): Delete.
+ (rtx_referenced_p): Use FOR_EACH_SUBRTX instead of for_each_rtx.
+ Assert that the rtx we're looking for is nonnull. Allow searches
+ for constant pool SYMBOL_REFs.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * reload1.c: Include rtl-iter.h.
+ (note_reg_elim_costly): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself.
+ (eliminate_regs_1, elimination_costs_in_insn): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * regcprop.c (cprop_find_used_regs_1): Delete.
+ (cprop_find_used_regs): Use FOR_EACH_SUBRTX instead of for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * regcprop.c: Include rtl-iter.h.
+ (kill_value): Take a const_rtx.
+ (kill_autoinc_value): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself.
+ (copyprop_hardreg_forward_1): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * reg-stack.c: Include rtl-iter.h.
+ (subst_stack_regs_in_debug_insn): Delete.
+ (subst_all_stack_regs_in_debug_insn): Use FOR_EACH_SUBRTX_PTR
+ instead of for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lower-subreg.c (find_decomposable_subregs): Turn from being
+ a for_each_rtx callback to being a function that examines each
+ subrtx itself. Remove handling of null rtxes.
+ (decompose_multiword_subregs): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lower-subreg.c (adjust_decomposed_uses): Delete.
+ (resolve_debug): Use FOR_EACH_SUBRTX_PTR rather than for_each_rtx.
+ Remove handling of null rtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * lower-subreg.c: Include rtl-iter.h.
+ (resolve_subreg_use): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself. Remove
+ handling of null rtxes.
+ (resolve_reg_notes, resolve_simple_move): Update accordingly.
+ (decompose_multiword_subregs): Likewise.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * loop-iv.c (altered_reg_used): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself.
+ (simplify_using_condition, simplify_using_initial_values): Update
+ accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * loop-iv.c: Include rtl-iter.h.
+ (find_single_def_src): New function.
+ (replace_single_def_regs): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself.
+ (replace_in_expr, simplify_using_initial_values): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * jump.c (eh_returnjump_p_1): Delete.
+ (eh_returnjump_p): Use FOR_EACH_SUBRTX rather than for_each_rtx.
+ Remove handling of null rtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * jump.c: Include rtl-iter.h.
+ (returnjump_p_1): Delete.
+ (returnjump_p): Use FOR_EACH_SUBRTX rather than for_each_rtx.
+ Remove handling of null rtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ira.c: Include rtl-iter.h.
+ (set_paradoxical_subreg): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself. Remove
+ handling of null rtxes.
+ (update_equiv_regs): Update call accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * fwprop.c: Include rtl-iter.h.
+ (varying_mem_p): Turn from being a for_each_rtx callback to being
+ a function that examines each subrtx itself.
+ (propagate_rtx): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * function.c: Include rtl-iter.h
+ (instantiate_virtual_regs_in_rtx): Turn from being a for_each_rtx
+ callback to being a function that examines each subrtx itself.
+ Return the changed flag.
+ (instantiate_virtual_regs_in_insn, instantiate_decl_rtl)
+ (instantiate_virtual_regs): Update calls accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * final.c: Include rtl-iter.h.
+ (mark_symbol_ref_as_used): Delete.
+ (mark_symbol_refs_as_used): Use FOR_EACH_SUBRTX instead of
+ for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * emit-rtl.c: Include rtl-iter.h.
+ (find_auto_inc): Turn from being a for_each_rtx callback to being
+ a function that examines each subrtx itself. Assume the first operand
+ to an RTX_AUTOINC is the automodified register.
+ (try_split): Update call accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * dwarf2out.c (resolve_one_addr): Remove unused data parameter.
+ Return a bool, inverting the result so that 0/false means "not ok".
+ Use FOR_EACH_SUBRTX_PTR instead of for_each_rtx to iterate over
+ subrtxes of a CONST.
+ (mem_loc_descriptor, add_const_value_attribute)
+ (resolve_addr_in_expr): Update calls accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * dwarf2out.c: Include rtl-iter.h.
+ (const_ok_for_output_1): Take the rtx instead of a pointer to it.
+ Remove unused data parameter. Return a bool, inverting the result
+ so that 0/false means "not ok".
+ (const_ok_for_output): Update accordingly. Use FOR_EACH_SUBRTX_VAR
+ instead of for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * dse.c: Include rtl-iter.h.
+ (check_mem_read_rtx): Change void * parameter to real type.
+ Remove return value.
+ (check_mem_read_use): Fix comment. Use FOR_EACH_SUBRTX_PTR instead of
+ for_each_rtx. Don't handle null rtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * df-problems.c: Include rtl-iter.h.
+ (find_memory): Turn from being a for_each_rtx callback to being
+ a function that examines each subrtx itself. Continue to look for
+ volatile references even after a nonvolatile one has been found.
+ (can_move_insns_across): Update calls accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ddg.c (walk_mems_2, walk_mems_1): Delete.
+ (insns_may_alias_p): Use FOR_EACH_SUBRTX rather than for_each_rtx
+ to iterate over subrtxes. Return a bool rather than an int.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * ddg.c: Include rtl-iter.h.
+ (mark_mem_use_1): Rename to...
+ (mark_mem_use): ...deleting old mark_mem_use. Use FOR_EACH_SUBRTX
+ instead of for_each_rtx.
+ (mem_read_insn_p): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cse.c (change_cc_mode_args): Delete.
+ (cse_change_cc_mode): Turn from being a for_each_rtx callback to being
+ a function that examines each subrtx itself. Take the fields of
+ change_cc_mode_args as argument and return void.
+ (cse_change_cc_mode_insn): Update calls accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cse.c (is_dead_reg): Change argument to const_rtx.
+ (dead_debug_insn_data): Delete.
+ (is_dead_debug_insn): Expand commentary. Turn from being a
+ for_each_rtx callback to being a function that examines
+ each subrtx itself. Take the fields of dead_debug_insn_data
+ as argument.
+ (delete_trivially_dead_insns): Update call accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cse.c (check_for_label_ref): Move earlier in file. Turn from
+ being a for_each_rtx callback to being a function that examines
+ each subrtx itself.
+ (cse_extended_basic_block): Update call accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cse.c (check_dependence_data): Delete.
+ (check_dependence): Change from being a for_each_rtx callback to being
+ a function that examines all subrtxes itself. Don't handle null rtxes.
+ (invalidate): Update call accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cse.c: Include rtl-iter.h.
+ (approx_reg_cost_1): Delete.
+ (approx_reg_cost): Use FOR_EACH_SUBRTX instead of for_each_rtx.
+ Don't handle null rtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * cfgcleanup.c: Include rtl-iter.h.
+ (mentions_nonequal_regs): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself.
+ (thread_jump): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * combine-stack-adj.c: Include rtl-iter.h.
+ (record_stack_refs_data): Delete.
+ (record_stack_refs): Turn from being a for_each_rtx callback
+ to being a function that examines each subrtx itself.
+ Take a pointer to the reflist. Invert sense of return value
+ so that true means success and false means failure. Don't
+ handle null rtxes.
+ (combine_stack_adjustments_for_block): Update accordingly.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * combine.c (record_truncated_value): Turn from being a for_each_rtx
+ callback to a function that takes an rtx and returns a bool
+ (record_truncated_values): Use FOR_EACH_SUBRTX_VAR instead of
+ for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * combine.c: Include rtl-iter.h.
+ (unmentioned_reg_p_1): Delete.
+ (unmentioned_reg_p): Use FOR_EACH_SUBRTX rather than for_each_rtx.
+ Don't handle null rtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * calls.c: Include rtl-iter.h.
+ (internal_arg_pointer_based_exp_1): Delete.
+ (internal_arg_pointer_based_exp): Take a const_rtx.
+ Use FOR_EACH_SUBRTX to iterate over subrtxes.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * caller-save.c: Include rtl-iter.h.
+ (add_used_regs_1): Delete.
+ (add_used_regs): Use FOR_EACH_SUBRTX rather than for_each_rtx
+ to iterate over subrtxes. Assert that any remaining pseudos
+ have been spilled.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * bt-load.c: Include rtl-iter.h.
+ (btr_reference_found, find_btr_reference, btr_referenced_p): Delete.
+ (find_btr_use): Move further up file. Use FOR_EACH_SUBRTX_PTR
+ to iterate over subrtxes.
+ (insn_sets_btr_p, new_btr_user, compute_defs_uses_and_gen): Use
+ find_btr_use rather than btr_referenced_p.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * alias.c: Include rtl-iter.h.
+ (refs_newer_value_cb): Delete.
+ (refs_newer_value_p): Use FOR_EACH_SUBRTX instead of for_each_rtx.
+
+2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl-iter.h: New file.
+ * rtlanal.c: Include it.
+ (rtx_all_subrtx_bounds, rtx_nonconst_subrtx_bounds): New variables.
+ (generic_subrtx_iterator <T>::add_single_to_queue)
+ (generic_subrtx_iterator <T>::add_subrtxes_to_queue)
+ (generic_subrtx_iterator <T>::free_array): New functions.
+ (generic_subrtx_iterator <T>::LOCAL_ELEMS): Define.
+ (generic_subrtx_iterator <const_rtx_accessor>)
+ (generic_subrtx_iterator <rtx_var_accessor>
+ (generic_subrtx_iterator <rtx_ptr_accessor>): Instantiate.
+ (setup_reg_subrtx_bounds): New function.
+ (init_rtlanal): Call it.
+
+2014-08-27 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/62261
+ * config/sh/sh.md (ashlsi3): Handle negative shift count for
+ TARGET_SHMEDIA.
+ (ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
+
+2014-08-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * emit-rtl.c (set_unique_reg_note): Discard notes with side effects.
+
+2014-08-27 David Malcolm <dmalcolm@redhat.com>
+
+ * rtl.h (JUMP_LABEL_AS_INSN): New.
+
+2014-08-27 David Malcolm <dmalcolm@redhat.com>
+
+ * rtl.h (free_EXPR_LIST_list): Strengthen param from rtx * to
+ rtx_expr_list **.
+ (alloc_EXPR_LIST): Strengthen return type from rtx to
+ rtx_expr_list *.
+ (remove_free_EXPR_LIST_node): Likewise for param.
+ * reload.h (struct reg_equivs_t): Strengthen field "alt_mem_list"
+ from rtx to rtx_expr_list *.
+ * sched-int.h (struct deps_desc): Strengthen fields
+ "pending_read_mems" and "pending_write_mems" from rtx to
+ rtx_expr_list *.
+
+ * dwarf2out.c (decl_piece_varloc_ptr): Strengthen return type from
+ rtx to rtx_expr_list *.
+ * lists.c (alloc_INSN_LIST): Likewise, also for local "r".
+ (free_EXPR_LIST_list): Strengthen param "listp" from rtx * to
+ rtx_expr_list **.
+ (remove_free_EXPR_LIST_node): Likewise. Strengthen local "node"
+ from rtx to rtx_expr_list *.
+ * loop-iv.c (simplify_using_initial_values): Strengthen local
+ "cond_list" from rtx to rtx_expr_list *, and locals "pnode",
+ "pnote_next" from rtx * to rtx_expr_list **.
+ * sched-deps.c (remove_from_both_dependence_lists): Strengthen
+ param "exprp" from rtx * to rtx_expr_list **.
+ (add_insn_mem_dependence): Strengthen local "mem_list" from
+ rtx * to rtx_expr_list **. Strengthen local "mem_node" from rtx
+ to rtx_expr_list *.
+ * sched-rgn.c (concat_insn_mem_list): Strengthen param "copy_mems"
+ and local "new_mems" from rtx to rtx_expr_list *. Strengthen
+ param "old_mems_p" from rtx * to rtx_expr_list **.
+ * var-tracking.c (struct adjust_mem_data): Strengthen field
+ "side_effects" from rtx to rtx_expr_list *.
+ (adjust_insn): Replace NULL_RTX with NULL when assigning to
+ rtx_expr_list *.
+ (prepare_call_arguments): Likewise.
+
+2014-08-27 David Malcolm <dmalcolm@redhat.com>
+
+ * function.h (struct rtl_data): Strengthen field
+ "x_stack_slot_list" from rtx to rtx_expr_list *.
+
+ * emit-rtl.c (unshare_all_rtl_1): Add a checked cast
+ when assigning to stack_slot_list.
+
+2014-08-27 David Malcolm <dmalcolm@redhat.com>
+
+ * function.h (struct rtl_data): Strengthen field
+ x_nonlocal_goto_handler_labels from rtx to rtx_expr_list *.
+ * rtl.h (remove_node_from_expr_list): Strengthen second param from
+ rtx * to rtx_expr_list **.
+
+ * cfgbuild.c (make_edges): In loop over
+ nonlocal_goto_handler_labels, strengthen local "x" from rtx to
+ rtx_expr_list *, and use methods of the latter class to clarify
+ the code.
+ * cfgrtl.c (cfg_layout_initialize): Strengthen local "x" from rtx to
+ rtx_expr_list *, and use methods of the latter class to clarify
+ the code.
+ * dwarf2cfi.c (create_trace_edges): Likewise for local "lab".
+ * reload1.c (set_initial_label_offsets): Likewise for local "x".
+ * rtlanal.c (remove_node_from_expr_list): Strengthen param "listp"
+ from rtx * to rtx_expr_list **. Strengthen local "temp" from rtx
+ to rtx_expr_list *. Use methods of the latter class to clarify
+ the code.
+
+2014-08-27 David Malcolm <dmalcolm@redhat.com>
+
+ * function.h (struct expr_status): Strengthen field
+ "x_forced_labels" from rtx to rtx_expr_list *.
+
+ * cfgbuild.c (make_edges): Split local "x" into two locals,
+ strengthening one from rtx to rtx_expr_list *, and using methods
+ of said class.
+ * dwarf2cfi.c (create_trace_edges): Split local "lab" out; within
+ loop over forced_labels, introduce strengthen it from rtx to
+ rtx_expr_list *, using methods to clarify the code.
+ * jump.c (rebuild_jump_labels_1): Strengthen local "insn" from rtx
+ to rtx_expr_list *, using methods of said class to clarify the
+ code.
+ * reload1.c (set_initial_label_offsets): Split local "x" into two
+ per-loop variables, strengthening the first from rtx to
+ rtx_expr_list * and using methods.
+
+2014-08-27 David Malcolm <dmalcolm@redhat.com>
+
+ * coretypes.h (class rtx_expr_list): Add forward declaration.
+ * emit-rtl.c (gen_rtx_EXPR_LIST): New.
+ * gengenrtl.c (special_rtx): Add EXPR_LIST.
+ * rtl.h (class rtx_expr_list): New subclass of rtx_def, adding
+ invariant: GET_CODE (X) == EXPR_LIST.
+ (is_a_helper <rtx_expr_list *>::test): New.
+ (rtx_expr_list::next): New.
+ (rtx_expr_list::element): New.
+ (gen_rtx_EXPR_LIST): New.
+
2014-08-27 David Malcolm <dmalcolm@redhat.com>
* varasm.c (mark_constants): Convert a GET_CODE check into a
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