+2007-01-23 Ian Lance Taylor <iant@google.com>
+
+ * Makefile.in (OBJS-common): Reformat, alphabetize, but put
+ insn-*.o first.
+ (OBJS-archive): Reformat, alphabetize.
+ (OBJS): Change out_object_file to OBJS-md.
+
+2007-01-23 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
+ JUMP_P and CALL_P predicates where applicable.
+ * config/i386/i386.c: Ditto.
+ * config/i386/i386.md: Ditto.
+ * config/i386/mmx.md: Ditto.
+ * config/i386/predicates.md: Ditto.
+
+2007-01-22 Andreas Schwab <schwab@suse.de>
+
+ * config/m68k/m68k.h: Fix comment.
+
+2007-01-22 Jan Hubicka <jh@suse.cz>
+
+ * passes.c (init_optimization_passes): Do not rerun
+ pass_early_warn_uninitialized.
+
+2007-01-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/30038
+ * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
+ function.
+ (execute_cse_sincos_1): Likewise.
+ (execute_cse_sincos): Likewise.
+ (gate_cse_sincos): Likewise.
+ (pass_cse_sincos): New pass CSEing sin() and cos() calls using
+ the cexpi() canonicalization of sincos().
+ * tree-pass.h (pass_cse_sincos): Declare.
+ * passes.c (init_optimization_passes): New pass pas_cse_sincos.
+
+2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/29329
+ * combine.c (replaced_rhs_insn): Rename to i2mod.
+ (replaced_rhs_value): Rename to i2mod_new_rhs.
+ (i2mod_old_rhs): New global variable.
+ (combine_instructions): Adjust for above change. Save a copy of
+ the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
+ note are substituted in the second instruction.
+ (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
+ ditch the note if it pertains to the second eliminated register
+ and this register is mentioned in i2mod_old_rhs.
+
+ Revert:
+ 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
+ the insn to which the note was originally attached.
+
+2007-01-21 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (inlining_mode): Comment, move up.
+ (cgraph_decide_inlining_incrementally): Do not perform inlining
+ itself; fix handling of flattening of self recursive functions.
+ (cgraph_find_cycles): Remove.
+ (cgraph_flatten_node): Remove.
+ (cgraph_decide_inlining): Use incremental inliner to handle flattening.
+ (try_inline): New function.
+ (cgraph_early_inlining): Update call of
+ cgraph_decide_inlining_incrementally. Apply inlining here.
+ (apply_inline): Update call of cgraph_decide_inlining_incrementally.
+
+2007-01-21 Dirk Mueller <dmueller@suse.de>
+
+ PR bootstrap/30511
+ * tree-vrp.c (check_array_bounds): do not warn
+ about ADDR_EXPR's of ARRAY_REF's which are immediately
+ used in binary expressions.
+
+2007-01-21 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vectorizer.h (struct _stmt_vec_info): Add new field
+ read_write_dep and macros for its access.
+ * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
+ * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
+ argument, call vect_check_interleaving for every independent pair of
+ data-refs. Mark loads that access the same memory location as a store
+ in the loop.
+ (vect_check_dependences): Remove.
+ (vect_analyze_data_ref_dependences): Remove vect_check_dependences
+ call, fix the call to vect_analyze_data_ref_dependence.
+ (vect_analyze_data_ref_access): For statements that access the same
+ data-ref, check that they are not stores; for loads, check that there
+ is no store that access the same location.
+
+2007-01-20 Roger Sayle <roger@eyesopen.com>
+ Joseph Myers <joseph@codesourcery.com>
+
+ * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
+ (-fdump-rtl-stack): Likewise.
+ (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
+ (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
+ (-mpt-fixed): Use @minus{} for minus sign.
+ (Using Precompiled Headers): Fix under/overfull hbox.
+
+2007-01-20 Jan Hubicka <jh@suse.cz>
+
+ * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
+ place within annotation.
+
+2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa.c (output_move_double): Change array size of xoperands to 4.
+
+2007-01-20 Jan Hubicka <jh@suse.cz>
+
+ * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
+ as temporary.
+
+2007-01-19 Ian Lance Taylor <iant@google.com>
+
+ * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
+ constant to unsigned HOST_WIDE_INT before negating.
+
+2007-01-19 Ian Lance Taylor <iant@google.com>
+
+ * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
+ to unsigned.
+ (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
+ (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
+ (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
+ (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
+ (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
+ (realloc_vdef, realloc_vuse): Change second parameter to
+ unsigned.
+ (ssa_operand_iterator_d): Change vuse_index and mayuse_index
+ fields to unsigned.
+ * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
+ unsigned. Change x and lim locals to unsigned.
+ (realloc_vdef, realloc_vuse): Change num_elem parameter to
+ unsigned.
+ (finalize_ssa_vuse_ops): Change old_i local to unsigned.
+ (copy_virtual_operands): Change i and n locals to unsigned.
+
+2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR middle-end/29335
+ * builtins.c (fold_builtin_1): Handle builtin fdim.
+
+2007-01-20 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
+ * tree-ssa-structalias.c (compute_points_to_sets): Do call
+ init_alias_heapvars.
+ (init_alias_heapvars): Initialize only when not already initialized.
+ (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
+
+2007-01-19 Roger Sayle <roger@eyesopen.com>
+
+ * common.opt (fsigned-zeros): New command line option.
+ * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
+ of flag_unsafe_math_optimizations.
+ * opts.c (set_fast_math_flags): The -ffast-math command line option
+ implies -fno-signed-zeros.
+ (fast_math_flags_set_p): Likewise.
+
+ * doc/invoke.texi: Document new -fno-signed-zeros option, and update
+ the documentation of -ffast-math appropriately. Wrap long lines.
+
+2007-01-19 Steve Ellcey <sje@cup.hp.com>
+
+ * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
+ * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
+
+2007-01-19 Tomas Bily <tbily@suse.cz>
+
+ * cgraphunit.c (cgraph_finalize_function): Updating of pid
+ * tree-profile.c:
+ (tree_init_ic_make_global_vars): New function
+ (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
+ (tree_gen_ic_profiler): New function
+ (tree_gen_ic_func_profiler): New function
+ (tree_profiling): Added calling of tree_gen_ic_func_profiler
+ (tree_profile_hooks): Added hook for indirec/virtual calls
+ * value-prof.c (tree_find_values_to_profile): New case for
+ indirect calls
+ (tree_values_to_profile): Call for determining indirect/virtual
+ counters
+ (tree_indirect_call_to_profile): New function
+ (tree_ic_transform): New function
+ (tree_ic): New function
+ (find_func_by_pid): New function
+ (init_pid_map): New function
+ (tree_value_profile_transformations): Added check for
+ indirect/virtual call transformation
+ * value-prof.h (enum hist_type): New counter type for
+ indirect/virtual calls
+ (profile_hooks): Added new hook for profiling indirect/virtual
+ calls
+ * profile.c (instrument_values): New case for indirect/virtual
+ call added
+ * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
+ (GCOV_COUNTER_V_INDIR): New counter type
+ (GCOV_COUNTER_NAMES): New name of counter "indirect" added
+ (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
+ call added
+ * cgraph.c: Definition of cgraph_max_pid
+ (cgraph_create_node): Default init of pid attribute
+ * cgraph.h: Declaration of cgraph_max_pid
+ (struct cgraph_node): Added pid attribute
+ * libgcov.c (__gcov_indirect_call_profiler): New function
+ (__gcov_one_value_profiler_body): New function
+ (__gcov_one_value_profiler): Body was moved to
+ __gcov_one_value_profiler_body and calls it
+
+2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
+
+ * doc/gty.texi (Options): Document the mark_hook option to GTY.
+ * gengtype.c (write_types_data, write_func_for_structure,
+ write_types, ggc_wtd, pch_wtd): Add skip_hooks to
+ write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
+ (walk_type, write_func_for_structure): Generate the mark_hook if
+ needed.
+
+2007-01-19 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
+ 'early' argument take inlining mode argument specifying whether to
+ inline for size/speeed or all functions; add support for flattening;
+ improve dumpting.
+ (cgraph_early_inlining): Update call of decide_inlining_incrementally.
+
+2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c++/17947
+ * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
+ the name of the declared identifier.
+
+2007-01-19 Dirk Mueller <dmueller@suse.de>
+
+ * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
+ result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
+ duplicate evaluation.
+
+2007-01-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
+ Macroize expander using X87MODEF12 mode macro. Extend operand 1
+ to XFMode, use acosxf2 and truncate result to requested mode.
+ Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
+ (asin<mode>2): Similarly, with asin expanders.
+ (*fscalexf4_i387): Rename from *fscalexf4.
+ (expNcorexf3): New expander.
+ (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
+ (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
+ X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
+ truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
+ patterns for SSE math.
+ (exp10<mode>2): Similarly, with exp10 expanders.
+ (exp2<mode>2): Similarly, with exp2 expanders.
+ (expm1<mode>2): Similarly, with expm1 expanders.
+ (ldexp<mode>3): Similarly, with ldexp expanders.
+ (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
+ Use gen_truncxf<mode>2_i387_noop to truncate result.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
+ for ColdFire targets.
+
+2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
+ (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
+ (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
+ * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
+ (M68K_STATIC_CHAIN_REG_NAME): Likewise.
+ * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (adddi_dilshr32): Rename to...
+ (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
+ non-canonical pattern. Restrict to !TARGET_COLDFIRE.
+ (*adddi_dilshr32_cf): New pattern.
+ (adddi3, subdi3): Remove first alternatives.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
+ implemented using move.l, do not use its cc result for floating-point
+ comparisons.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
+ from accepting 's' constraints if flag_pic.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
+ (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
+ (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
+ condition from TARGET_68881 to TARGET_HARD_FLOAT.
+
+2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
+
+ * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
+ ColdFire alternatives.
+ * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
+ * config/m68k/m68k.md (clzsi2): Define for ColdFire
+ architectures that support ff1 instruction.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
+ * config/m68k/m68k.md (*movsi_cfv4): Fold into...
+ (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
+ Add commentary.
+
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
+ and return a bool.
+ (output_move_const_into_data_reg, output_move_simode_const): Delete.
+ * config/m68k/m68k.c (const_method, const_int_cost): Take a
+ HOST_WIDE_INT instead of an rtx.
+ (m68k_rtx_costs): Update call accordingly.
+ (output_move_const_into_data_reg): Likewise. Fix formatting.
+ (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
+ Return a bool.
+ (output_move_simode_const): Update calls after above changes.
+ Rework to use automatic variables and predicates like MEM_P.
+ * config/m68k/m68k.md (pushexthisi_const): Update call to
+ valid_mov3q_const.
+
+2007-01-19 Dirk Mueller <dmueller@suse.de>
+
+ * tree-ssa-alias.c (perform_var_substitution): Fix typo
+ in dump_flags test.
+
+2007-01-19 Richard Guenther <rguenther@suse.de>
+
+ * builtins.c (expand_builtin_cexpi): Fall back to expanding
+ via cexp in case sincos is not available.
+
+2007-01-19 Richard Guenther <rguenther@suse.de>
+
+ * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
+ * defaults.h (TARGET_HAS_SINCOS): Default to off.
+ * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
+ * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
+ * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
+ * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
+ * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
+ * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
+
+2007-01-19 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
+ New insn patterns.
+ (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
+ (atan2xf3): Directly generate RTL pattern.
+ (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
+ patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
+ and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
+ disable patterns for SSE math.
+ (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
+ patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
+ and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
+ disable patterns for SSE math.
+
+2007-01-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
+
+2007-01-18 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
+ VIEW_CONVERT_EXPR to the same type as it's operand.
+
+2007-01-18 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
+ configured for long double 128.
+
+2007-01-18 Mike Stump <mrs@apple.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
+ error.
+
+2007-01-18 Michael Meissner <michael.meissner@amd.com>
+
+ * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
+ type correct.
+
+2007-01-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-ssa-operands.c (vop_free_bucket_size): Never return value
+ greater than NUM_VOP_FREE_BUCKETS.
+
+2007-01-18 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-structalias.c: Update comments.
+ (ptabitmap_obstack): Removed.
+ (pta_obstack): New.
+ (oldpta_obstack): Ditto.
+ (stats): Add a few members.
+ (struct variable_info): Remove node, complex, address_taken, and
+ indirect_target members. Add oldsolution member.
+ (new_var_info): Do not initialize removed members.
+ (constraint_expr_type): Remove INCLUDES.
+ (constraint_graph): Add size, implicit_preds, rep,
+ indirect_cycles, eq_rep, label, direct_nodes, and complex members.
+ (FIRST_REF_NODE): New macro.
+ (LAST_REF_NODE): Ditto.
+ (FIRST_ADDR_NODE): Ditto.
+ (find): New function.
+ (unite): Ditto.
+ (dump_constraint): Do not handle INCLUDES.
+ (insert_into_complex): Do not insert duplicate constraints.
+ (condense_varmap_nodes): Renamed and rewritten into ...
+ (merge_node_constraints): This. Also fix bug in handling of
+ offseted copy constraints.
+ (clear_edges_for_node): No longer need to deal with preds at all,
+ or removing associated preds/succs.
+ (merge_graph_nodes): Deal with indirect_cycles.
+ Don't deal with predecessors.
+ (add_implicit_graph_edge): New function.
+ (add_pred_graph_edge): Ditto.
+ (add_graph_edge): Don't deal with predecessors.
+ (build_constraint_graph): Removed.
+ (build_pred_graph): New function.
+ (build_succ_graph): Ditto.
+ (struct scc_info): Removed in_component. Added roots, dfs, and
+ node_mapping. Remove visited_index, unification_queue.
+ (scc_visit): Deal with union-find we do now.
+ Deal with cycles with REF nodes.
+ (collapse_nodes): Renamed and rewritten to ...
+ (unify_nodes): This.
+ (process_unification_queue): Removed.
+ (topo_visit): Cleanup
+ (do_da_constraint): Use find.
+ (do_sd_constraint): Ditto.
+ (do_ds_constraint): Ditto.
+ (do_complex_constraint): Ditto.
+ (init_scc_info): Update for removed and added members.
+ (find_and_collapse_graph_cycles): Renamed and rewritten into ...
+ (find_indirect_cycles): This.
+ (equivalence_class): New variable.
+ (label_visit): New function.
+ (perform_variable_substitution): Rewritten.
+ (free_var_substitution_info): New function.
+ (find_equivalent_node): Ditto.
+ (move_complex_constraints): Ditto.
+ (eliminate_indirect_cycles): Ditto.
+ (solve_graph): Only propagate changed bits.
+ Use indirect cycle elimination.
+ Use find.
+ (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
+ (tree_id_eq): Renamed to ...
+ (tree_vi_eq): This. Update for member change
+ (insert_id_for_tree): Renamed and rewritten to ...
+ (insert_vi_for_tree): This.
+ (lookup_id_for_tree): Renamed and rewritten to ...
+ (lookup_vi_for_tree): This.
+ (get_id_for_tree): Renamed and rewritten to ...
+ (get_vi_for_tree): Ditto.
+ (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
+ (process_constraint): Don't handle INCLUDES.
+ Remove special ADDRESSOF case.
+ (find_func_aliases): Rewrite to use vi functions instead of id
+ ones.
+ (create_function_info_for): Ditto.
+ (create_variable_info_for): Ditto.
+ (intra_create_variable_infos): Ditto.
+ (merge_smts_into): Ditto.
+ (find_what_p_points_to): Ditto.
+ (init_base_vars): Ditto.
+ (init_alias_vars): Ditto.
+ (remove_preds_and_fake_succs): New function.
+ (dump_sa_points_to_info): Dump new stats.
+ (dump_solution_for_var): Use find.
+ (set_used_smts): Fix formatting.
+ (compute_points_to_sets): Updated for new functions.
+ (ipa_pta_execute): Ditto.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
+ parallels.
+ * calls.c (expand_call): If the return value is a PARALLEL,
+ extract its first member.
+ * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
+ * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
+ use FUNCTION_EXTRA_EPILOGUE.
+ (m68k_function_value): Return a PARALLEL if the return value
+ is of a pointer type.
+ * config/m68k/netbsd-elf.h (current_function_returns_pointer)
+ (FUNCTION_EXTRA_EPILOGUE): Remove.
+ * config/m68k/m68k.md (D0_REG): New constant.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
+ output a NOP for empty epilogues.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.c (m68k_use_return_insn): Update comments
+ before function. Extend register save check to include all
+ registers, not just integer ones.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (use_return_insn): Rename to...
+ (m68k_use_return_insn): ...this.
+ * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
+ * config/m68k/m68k.c (use_return_insn): Rename to...
+ (m68k_use_return_insn): ...this.
+ * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
+ of USE_RETURN_INSN.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
+ nearest even, fix denormal rounding overflow.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
+ f%$smove and f%$move.
+ (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
+ (extendsfdf2_cf): Use fdmove instead of f%&move.
+ (truncdfsf2_cf): Use fsmove instead of f%$smove.
+ (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
+ GPR<-GPR moves.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * real.h (real_format): Add a canonical_nan_lsbs_set field.
+ (coldfire_single_format): Declare.
+ (coldfire_double_format): Likewise.
+ * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
+ of qnan_msb_set to determine the lower bits of a canonical
+ NaN significand.
+ (encode_ieee_double): Likewise.
+ (encode_ieee_quad): Likewise.
+ (ieee_single_format): Initialize canonical_nan_lsbs_set.
+ (mips_single_format): Likewise.
+ (ieee_double_format): Likewise.
+ (mips_double_format): Likewise.
+ (ieee_extended_motorola_format): Likewise.
+ (ieee_extended_intel_96_format): Likewise.
+ (ieee_extended_intel_128_format): Likewise.
+ (ieee_extended_intel_96_round_53_format): Likewise.
+ (ibm_extended_format): Likewise.
+ (mips_extended_format): Likewise.
+ (ieee_quad_format): Likewise.
+ (mips_quad_format): Likewise.
+ (vax_f_format): Likewise.
+ (vax_d_format): Likewise.
+ (vax_g_format): Likewise.
+ (i370_single_format): Likewise.
+ (i370_double_format): Likewise.
+ (decimal_single_format): Likewise.
+ (decimal_double_format): Likewise.
+ (decimal_quad_format): Likewise.
+ (c4x_single_format): Likewise.
+ (c4x_extended_format): Likewise.
+ (real_internal_format): Likewise.
+ (coldfire_single_format): New real_format.
+ (coldfire_double_format): Likewise.
+ * config/pdp11/pdp11.c (pdp11_f_format): Initialize
+ canonical_nan_lsbs_set.
+ (pdp11_d_format): Likewise.
+ * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
+ if TARGET_COLDFIRE_CPU.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
+ (output_call, m68k_legitimize_call_address): Declare.
+ * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
+ parenthesees. Add support for a 'W' constraint.
+ (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
+ (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
+ (m68k_symbolic_call, m68k_symbolic_jump): Declare.
+ * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
+ variables.
+ (override_options): Initialize them. Do not set flag_no_function_cse
+ for TARGET_ID_SHARED_LIBRARY.
+ (m68k_output_pic_call): Delete.
+ (m68k_legitimize_call_address): New function.
+ (print_operand): Remove the %o prefix. Handle the %p prefix.
+ (output_call): New function.
+ (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
+ target address from the GOT if symbolic jumps are not allowed.
+ * config/m68k/m68k.md (call, general_operand): Do not set
+ SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
+ Merge separate flag_pic and !flag_pic define_insns into...
+ (*call, *call_value): ...these new patterns. Match the address
+ rather than the containing MEM and require it to be a call_operand.
+ Use output_call to generate the asm template.
+ * config/m68k/predicates.md (const_call_operand): New predicate.
+ (call_operand): Likewise.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
+ (STACK_GROWS_DOWNWARD): Define to 1.
+ (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
+ comments, emphasizing that these values are only defaults.
+ * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
+ * config/m68k/m68k.c (const_method): Remove trailing whitespace.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
+
+2007-01-18 Kazu Hirata <kazu@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
+ (FP_REGNO_P): New macros.
+ (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
+ (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
+ (EH_RETURN_STACKADJ_RTX): Use A0_REG.
+ * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
+ to $tmake_file.
+ * config/m68k/t-floatlib: New file, extracting common code from...
+ * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
+ * config/m68k/t-uclinux: Here.
+ * config/m68k/fpgnulib.c: Do not compile extendeed precision
+ routines on ColdFire targets.
+
+2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
+ (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
+ (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
+ explicitly set MOTOROLA to 1.
+ * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
+
+2007-01-18 Richard Sandiford <richard@codesourcery.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
+ (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
+ * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
+ * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
+ * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
+ * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
+ (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
+ (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
+ * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
+ (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
+ (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
+ (DBX_REGISTER_NUMBER): Delete.
+ * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
+ (PCC_STATIC_STRUCT_RETURN): Don't undefine.
+ * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
+
2007-01-18 Richard Sandiford <richard@codesourcery.com>
* config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
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