re PR tree-optimization/39643 (cris-elf gcc.dg/torture/builtin-math-3.c -O1 and -Os sincos one)
2009-04-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39643
* tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
IMAGPART_EXPRs of complex constants.
(execute_fold_all_builtins): If we folded a call queue
TODO_update_address_taken.
Paul Thomas [Mon, 6 Apr 2009 05:25:46 +0000 (05:25 +0000)]
re PR fortran/36091 (false positive in bounds checking with forall)
2009-04-06 Paul Thomas <pault@gcc.gnu.org>
PR fortran/36091
* trans-array.c (gfc_conv_array_ref): If the symbol has the
temporary attribute use the array_spec for the bounds.
* gfortran.h : Add the temporary field to the structure
'symbol_attribute'.
* trans-stmt.c (forall_make_variable_temp): Set the symbol's
temporary attribute.
Jerry DeLisle [Sun, 5 Apr 2009 20:13:56 +0000 (20:13 +0000)]
[multiple changes]
2009-04-05 Daniel Kraft <d@domob.eu>
PR fortran/38654
* io/read.c (read_f): Reworked to speed up floating point parsing.
(convert_real): Use pointer-casting instead of memcpy and temporaries.
2009-04-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/37754
* io/io.h (format_hash_entry): New structure for hash table.
(format_hash_table): The hash table itself.
(free_format_data): Revise function prototype.
(free_format_hash_table, init_format_hash,
free_format_hash): New function prototypes.
* io/unit.c (close_unit_1): Use free_format_hash_table.
* io/transfer.c (st_read_done, st_write_done): Free format data if
internal unit.
* io/format.c (free_format_hash_table): New function that frees any
memory allocated previously for cached format data.
(reset_node): New static helper function to reset the format counters
for a format node.
(reset_fnode_counters): New static function recursively calls reset_node
to traverse the fnode tree.
(format_hash): New simple hash function based on XOR, probabalistic,
tosses collisions.
(save_parsed_format): New static function to save the parsed format
data to use again.
(find_parsed_format): New static function searches the hash table
looking for a match.
(free_format_data): Revised to accept pointer to format data rather than
the dtp pointer so that the function can be used in more places.
(format_lex): Editorial.
(parse_format_list): Set flag used to determine of format data hashing
is to be used. Internal units are not persistent enough for this.
(revert): Move to ne location in file.
(parse_format): Use new functions to look for previously parsed
format strings and use them rather than re-parse. If not found, saves
the parsed format data for later use.
2009-04-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/37754
* io/transfer.c (formatted_transfer_scalar): Remove this function by
factoring it into two new functions, one for read and one for write,
eliminating all the conditionals for read or write mode.
(formatted transfer_scalar_read): New function.
(formatted transfer_scalar_write): New function.
(formatted_transfer): Use new functions.
2009-04-05 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/25561 libfortran/37754
* io/io.h (struct stream): Define new stream interface function
pointers, and inline functions for accessing it.
(struct fbuf): Use int instead of size_t, remove flushed element.
(mem_alloc_w): New prototype.
(mem_alloc_r): New prototype.
(stream_at_bof): Remove prototype.
(stream_at_eof): Remove prototype.
(file_position): Remove prototype.
(flush): Remove prototype.
(stream_offset): Remove prototype.
(unit_truncate): New prototype.
(read_block_form): Change to return pointer, int* argument.
(hit_eof): New prototype.
(fbuf_init): Change prototype.
(fbuf_reset): Change prototype.
(fbuf_alloc): Change prototype.
(fbuf_flush): Change prototype.
(fbuf_seek): Change prototype.
(fbuf_read): New prototype.
(fbuf_getc_refill): New prototype.
(fbuf_getc): New inline function.
* io/fbuf.c (fbuf_init): Use int, get rid of flushed.
(fbuf_debug): New function.
(fbuf_reset): Flush, and return position offset.
(fbuf_alloc): Simplify, don't flush, just realloc.
(fbuf_flush): Make usable for read mode, salvage remaining bytes.
(fbuf_seek): New whence argument.
(fbuf_read): New function.
(fbuf_getc_refill): New function.
* io/file_pos.c (formatted_backspace): Use new stream interface.
(unformatted_backspace): Likewise.
(st_backspace): Make sure format buffer is reset, use new stream
interface, use unit_truncate.
(st_endfile): Likewise.
(st_rewind): Likewise.
* io/intrinsics.c: Use new stream interface.
* io/list_read.c (push_char): Don't use u.p.scratch, use realloc
to resize.
(free_saved): Don't check u.p.scratch.
(next_char): Use new stream interface, use fbuf_getc() for external files.
(finish_list_read): flush format buffer.
(nml_query): Update to use modified interface:s
* io/open.c (test_endfile): Use new stream interface.
(edit_modes): Likewise.
(new_unit): Likewise, set bytes_left to 1 for stream files.
* io/read.c (read_l): Use new read_block_form interface.
(read_utf8): Likewise.
(read_utf8_char1): Likewise.
(read_default_char1): Likewise.
(read_utf8_char4): Likewise.
(read_default_char4): Likewise.
(read_a): Likewise.
(read_a_char4): Likewise.
(read_decimal): Likewise.
(read_radix): Likewise.
(read_f): Likewise.
* io/transfer.c (read_sf): Use fbuf_read and mem_alloc_r, remove
usage of u.p.line_buffer.
(read_block_form): Update interface to return pointer, use
fbuf_read for direct access.
(read_block_direct): Update to new stream interface.
(write_block): Use mem_alloc_w for internal I/O.
(write_buf): Update to new stream interface.
(formatted_transfer_scalar): Don't use u.p.line_buffer, use
fbuf_seek for external files.
(us_read): Update to new stream interface.
(us_write): Likewise.
(data_transfer_init): Always check if we switch modes and flush.
(skip_record): Use new stream interface, fix comparison.
(next_record_r): Check for and reset u.p.at_eof, use new stream
interface, use fbuf_getc for spacing.
(write_us_marker): Update to new stream interface, don't inline.
(next_record_w_unf): Likewise.
(sset): New function.
(next_record_w): Use new stream interface, use fbuf for printing
newline.
(next_record): Use new stream interface.
(finalize_transfer): Remove sfree call, use new stream interface.
(st_iolength_done): Don't use u.p.scratch.
(st_read): Don't check for end of file.
(st_read_done): Don't use u.p.scratch, use unit_truncate.
(hit_eof): New function.
* io/unit.c (init_units): Always init fbuf for formatted units.
(update_position): Use new stream interface.
(unit_truncate): New function.
(finish_last_advance_record): Use fbuf to print newline.
* io/unix.c: Remove unused SSIZE_MAX macro.
(BUFFER_SIZE): Make static const variable rather than macro.
(struct unix_stream): Remove dirty_offset, len, method,
small_buffer. Order elements by decreasing size.
(struct int_stream): Remove.
(move_pos_offset): Remove usage of dirty_offset.
(reset_stream): Remove.
(do_read): Rename to raw_read, update to match new stream
interface.
(do_write): Rename to raw_write, update to new stream interface.
(raw_seek): New function.
(raw_tell): New function.
(raw_truncate): New function.
(raw_close): New function.
(raw_flush): New function.
(raw_init): New function.
(fd_alloc): Remove.
(fd_alloc_r_at): Remove.
(fd_alloc_w_at): Remove.
(fd_sfree): Remove.
(fd_seek): Remove.
(fd_truncate): Remove.
(fd_sset): Remove.
(fd_read): Remove.
(fd_write): Remove.
(fd_close): Remove.
(fd_open): Remove.
(fd_flush): Rename to buf_flush, update to new stream interface
and unix_stream.
(buf_read): New function.
(buf_write): New function.
(buf_seek): New function.
(buf_tell): New function.
(buf_truncate): New function.
(buf_close): New function.
(buf_init): New function.
(mem_alloc_r_at): Rename to mem_alloc_r, change prototype.
(mem_alloc_w_at): Rename to mem_alloc_w, change prototype.
(mem_read): Change to match new stream interface.
(mem_write): Likewise.
(mem_seek): Likewise.
(mem_tell): Likewise.
(mem_truncate): Likewise.
(mem_close): Likewise.
(mem_flush): New function.
(mem_sfree): Remove.
(empty_internal_buffer): Cast to correct type.
(open_internal): Use correct type, init function pointers.
(fd_to_stream): Test whether to open file as buffered or raw.
(output_stream): Remove mode set.
(error_stream): Likewise.
(flush_all_units_1): Use new stream interface.
(flush_all_units): Likewise.
(stream_at_bof): Remove.
(stream_at_eof): Remove.
(file_position): Remove.
(file_length): Update logic to use stream interface.
(flush): Remove.
(stream_offset): Remove.
* io/write.c (write_utf8_char4): Use int instead of size_t.
(write_x): Extra safety check.
(namelist_write_newline): Use new stream interface.
* Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
* tree-ssa-copy.c (init_copy_prop): Do not propagate through
single-argument PHIs if we are in loop-closed SSA form.
* tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
for the pre-condition.
(slpeel_tree_peel_loop_to_edge): Likewise.
(vect_build_loop_niters): Take an optional sequence to append stmts.
(vect_generate_tmps_on_preheader): Likewise.
(vect_do_peeling_for_loop_bound): Take extra guards for the
pre-condition.
(vect_do_peeling_for_alignment): Adjust. Unconditionally apply
the cost model check.
(vect_loop_versioning): Take stmt and stmt list to put pre-condition
guards if we are going to peel. Do not apply versioning in that
case.
* tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
(vect_do_peeling_for_loop_bound): Likewise.
* tree-vect-loop.c (vect_transform_loop): If we are peeling for
loop bound only record extra pre-conditions, do not apply loop
versioning.
Jason Merrill [Sat, 4 Apr 2009 19:19:30 +0000 (15:19 -0400)]
re PR c++/25185 (deep typedef substitution in error message)
PR c++/25185
* error.c (dump_template_bindings): Look through typedefs in
typename results.
(dump_type) [TYPENAME_TYPE]: Print the typedef name if any.
(find_typenames_r): Also collect typedefs.
* pt.c (unify): Strip typedefs.
* unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
* unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
instead of REG_UNSAVED for DW_CFA_undefined.
(uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
(uw_update_context): If RA column is REG_UNDEFINED, mark it as
outermost frame.
re PR target/39501 (-O -ffinite-math-only gets min(x,y) optimization wrong for soft-float on arm-*-gnueabi)
PR target/39501
* arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
* testsuite/gcc.c-torture/execute/pr39501.c: New file.
* testsuite/gcc.c-torture/execute/pr39501.x: New file.
re PR c++/8781 (Pessimization of C++ (functional) code)
2009-04-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/8781
PR tree-optimization/37892
* tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
* tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
(valueize_refs): Call it for *& valueizations.
(shared_reference_ops_from_ref): Rename to ...
(valueize_shared_reference_ops_from_ref): ... this and valueize.
(shared_reference_ops_from_call): Rename to ...
(valueize_shared_reference_ops_from_call): ... this and valueize.
(vn_reference_lookup): Update.
(visit_reference_op_call): Likewise.
* tree-ssa-pre.c (phi_translate_1): Fold *&.
(eliminate): Value-replace the call address in call statements.
* g++.dg/tree-ssa/pr8781.C: New testcase.
* gcc.dg/tree-ssa/ssa-pre-25.c: Likewise.
re PR tree-optimization/39636 (ICE in gimple_assign_rhs_code, at gimple.h:1837, 435.gromacs fails to build)
2009-04-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39636
* tree-ssa-forwprop.c
(forward_propagate_addr_into_variable_array_index): Check for
GIMPLE_ASSIGN before accessing the rhs code.
Steven Bosscher [Fri, 3 Apr 2009 20:15:40 +0000 (20:15 +0000)]
omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
* omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
(execute_lower_omp): Always run but take the short way out if -fopenmp
is not given.
(gate_lower_omp): Remove, forcing the pass manager to always run the
pass and always set PROP_gimple_lomp.
(pass_lower_omp): Remove gate function.
* matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
PROP_trees. Instead, require it.
* ipa-cp.c (pass_ipa_cp): Likewise.
* ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
(pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
* tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
and PROP_gimple_leh.
Jason Merrill [Fri, 3 Apr 2009 17:24:46 +0000 (13:24 -0400)]
re PR c++/39608 ('expr' cannot appear in a constant-expression.)
PR c++/39608
* semantics.c (finish_id_expression): Don't assume a dependent
member of the current instantiation isn't a valid integral
constant expression. Check dependent_scope_p.
* pt.c (dependent_scope_p): Check TYPE_P.
re PR middle-end/13146 (inheritance for nonoverlapping_component_refs_p)
2009-04-03 Richard Guenther <rguenther@suse.de>
PR middle-end/13146
PR tree-optimization/23940
PR tree-optimization/33237
PR middle-end/33974
PR middle-end/34093
PR tree-optimization/36201
PR tree-optimization/36230
PR tree-optimization/38049
PR tree-optimization/38207
PR tree-optimization/38230
PR tree-optimization/38301
PR tree-optimization/38585
PR middle-end/38895
PR tree-optimization/38985
PR tree-optimization/39299
* tree-ssa-structalias.h: Remove.
* tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
(NULL_DEF_OPERAND_P): Make of type def_operand_p.
(struct vuse_element_d): Remove.
(struct vuse_vec_d): Likewise.
(VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
VUSE_ELEMENT_VAR): Likewise.
(struct voptype_d): Likewise.
(NUM_VOP_FREE_BUCKETS): Likewise.
(struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
(struct stmt_operands_d): Remove.
(VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
VDEF_NUM, VDEF_VECT): Likewise.
(copy_virtual_operands): Remove.
(operand_build_cmp): Likewise.
(create_ssa_artificial_load_stmt): Likewise.
(enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
(struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
vuse_index and mayuse_index members. Pack and move done and iter_type
members to the front.
(SSA_OP_VMAYUSE): Remove.
(SSA_OP_VIRTUAL_USES): Adjust.
(FOR_EACH_SSA_VDEF_OPERAND): Remove.
(unlink_stmt_vdef): Declare.
(add_to_addressable_set): Remove.
* tree-vrp.c (stmt_interesting_for_vrp): Adjust.
(vrp_visit_stmt): Likewise.
* doc/tree-ssa.texi (Alias analysis): Update.
* doc/invoke.texi (max-aliased-vops): Remove docs.
(avg-aliased-vops): Likewise.
* tree-into-ssa.c (syms_to_rename): Remove.
(need_to_update_vops_p): Likewise.
(need_to_initialize_update_ssa_p): Rename to ...
(update_ssa_initialized_fn): ... this. Track function we are
initialized for.
(symbol_marked_for_renaming): Simplify.
(add_new_name_mapping): Do not set need_to_update_vops_p.
(dump_currdefs): Use SYMS_TO_RENAME.
(rewrite_update_stmt): Always walk all uses/defs.
(dump_update_ssa): Adjust.
(init_update_ssa): Take function argument. Track what we are
initialized for.
(delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
(create_new_def_for): Initialize for cfun, assert we are initialized
for cfun.
(mark_sym_for_renaming): Simplify.
(mark_set_for_renaming): Do not initialize update-ssa.
(need_ssa_update_p): Simplify. Take function argument.
(name_mappings_registered_p): Assert we ask for the correct function.
(name_registered_for_update_p): Likewise.
(ssa_names_to_replace): Likewise.
(release_ssa_name_after_update_ssa): Likewise.
(update_ssa): Likewise. Use SYMS_TO_RENAME.
(dump_decl_set): Do not print a newline.
(debug_decl_set): Do it here.
(dump_update_ssa): And here.
* tree-ssa-loop-im.c (move_computations): Adjust.
(movement_possibility): Likewise.
(determine_max_movement): Likewise.
(gather_mem_refs_stmt): Likewise.
* tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
or NAME_MEMORY_TAG.
* tree-complex.c (update_all_vops): Remove.
(expand_complex_move): Adjust.
* tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
Simplify test for memory referencing statement. Exclude
non-invariant ADDR_EXPRs.
* tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
* tree-loop-distribution.c (generate_memset_zero): Adjust.
(rdg_flag_uses): Likewise.
* tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
related code.
(tree_optimize_tail_calls_1): Also split the
edge from the entry block if we have degenerate PHI nodes in
the first basic block.
* tree.c (init_ttree): Remove memory-tag related code.
(tree_code_size): Likewise.
(tree_node_structure): Likewise.
(build7_stat): Re-write to be build6_stat.
* tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
(SSA_VAR_P): Adjust.
(struct tree_memory_tag): Remove.
(struct tree_memory_partition_tag): Likewise.
(union tree_node): Adjust.
(build7): Re-write to be build6.
* tree-pass.h (pass_reset_cc_flags): Remove.
(TODO_update_address_taken): New flag.
(pass_simple_dse): Remove.
* ipa-cp.c (ipcp_update_callgraph): Update SSA form.
* params.h (MAX_ALIASED_VOPS): Remove.
(AVG_ALIASED_VOPS): Likewise.
* omp-low.c (expand_omp_taskreg): Update SSA form.
* tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
aliases the lhs in a copy stmt.
* tree-ssa-dse.c (struct address_walk_data): Remove.
(memory_ssa_name_same): Likewise.
(memory_address_same): Likewise.
(get_kill_of_stmt_lhs): Likewise.
(dse_possible_dead_store_p): Simplify, use the oracle. Handle
unused stores. Look through PHI nodes into post-dominated regions.
(dse_optimize_stmt): Simplify. Properly remove stores.
(tree_ssa_dse): Compute dominators.
(execute_simple_dse): Remove.
(pass_simple_dse): Likewise.
* ipa-reference.c (scan_stmt_for_static_refs): Open-code
gimple_loaded_syms and gimple_stored_syms computation.
* toplev.c (dump_memory_report): Dump alias and pta stats.
* tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
(vn_reference_eq): Likewise.
(vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
valueize_vuses): Remove.
(get_def_ref_stmt_vuses): Simplify. Rename to ...
(get_def_ref_stmt_vuse): ... this.
(vn_reference_lookup_2): New function.
(vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
walking equivalent vuses. Simplify.
(vn_reference_lookup): Likewise.
(vn_reference_insert): Likewise.
(vn_reference_insert_pieces): Likewise.
(visit_reference_op_call): Simplify.
(visit_reference_op_load): Likewise.
(visit_reference_op_store): Likewise.
(init_scc_vn): Remove shared_lookup_vuses initialization.
(free_scc_vn): Remove shared_lookup_vuses freeing.
(sort_vuses, sort_vuses_heap): Remove.
(get_ref_from_reference_ops): Export.
* tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
vector with single vuse pointer.
(vn_reference_lookup_pieces, vn_reference_lookup,
vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
(shared_vuses_from_stmt): Remove.
(get_ref_from_reference_ops): Declare.
* tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
memory-tag related code.
* tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
(likely_value): Add comment, skip static-chain of call statements.
(surely_varying_stmt_p): Adjust.
(gimplify_and_update_call_from_tree): Likewise.
(execute_fold_all_builtins): Do not rebuild alias info.
(gimplify_and_update_call_from_tree): Properly update VOPs.
* tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
(copy_ref_info): Remove memory-tag related code.
* tree-call-cdce.c (tree_call_cdce): Rename the VOP.
* ipa-pure-const.c (check_decl): Remove memory-tag related code.
(check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
computation.
* tree-ssa-dom.c (gimple_p): Remove typedef.
(eliminate_redundant_computations): Adjust.
(record_equivalences_from_stmt): Likewise.
(avail_expr_hash): Likewise.
(avail_expr_eq): Likewise.
* tree-ssa-propagate.c (update_call_from_tree): Properly
update VOPs.
(stmt_makes_single_load): Likewise.
(stmt_makes_single_store): Likewise.
* tree-ssa-alias.c: Rewrite completely.
(debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
debug_mem_sym_stats, dump_mem_sym_stats_for_var,
debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
Remove public functions.
(pass_reset_cc_flags): Remove.
(pass_build_alias): Move ...
* tree-ssa-structalias.c (pass_build_alias): ... here.
* tree-ssa-alias.c (may_be_aliased): Move ...
* tree-flow-inline.h (may_be_aliased): ... here.
tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
count_uses_and_derefs): Move ...
* gimple.c: ... here.
* gimple.h (count_uses_and_derefs): Declare.
* tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
New functions.
* tree-dfa.c (refs_may_alias_p): Move ...
* tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
* tree-ssa-alias.h: New file.
* tree-ssa-sink.c (is_hidden_global_store): Adjust.
(statement_sink_location): Likewise.
* opts.c (decode_options): Do not adjust max-aliased-vops or
avg-aliased-vops values.
* timevar.def (TV_TREE_MAY_ALIAS): Remove.
(TV_CALL_CLOBBER): Likewise.
(TV_FLOW_SENSITIVE): Likewise.
(TV_FLOW_INSENSITIVE): Likewise.
(TV_MEMORY_PARTITIONING): Likewise.
(TV_ALIAS_STMT_WALK): New timevar.
* tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
* tree-ssa-address.c (create_mem_ref_raw): Use build6.
(get_address_description): Remove memory-tag related code.
* tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
* treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
* tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
and immediate uses in statements. Document.
* gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
(dump_symbols): Remove.
(dump_gimple_mem_ops): Do not dump loaded or stored syms.
* alias.c (get_deref_alias_set): New function split out from ...
(get_alias_set): ... here.
* alias.h (get_deref_alias_set): Declare.
* tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
type parameter. Remove restrict pointer handling. Create a
ref-all pointer in case type-based alias sets do not conflict.
(vect_analyze_data_refs): Remove SMT related code.
* tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
(vectorizable_load): Likewise.
* tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
(DR_SYMBOL_TAG, DR_VOPS): Remove.
* tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
Ignore vops and SMTs.
(dr_analyze_alias): Likewise..
(free_data_ref): Likewise.
(create_data_ref): Likewise.
(analyze_all_data_dependences): Likewise.
(get_references_in_stmt): Adjust.
* tree-flow-inline.h (gimple_aliases_computed_p,
gimple_addressable_vars, gimple_call_clobbered_vars,
gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
factoring_name_p, mark_call_clobbered, clear_call_clobbered,
compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
gimple_mem_ref_stats): Remove.
(gimple_vop): New function.
(op_iter_next_use): Remove vuses and mayuses cases.
(op_iter_next_def): Remove vdefs case.
(op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
(clear_and_done_ssa_iter): Do not set removed fields.
(op_iter_init): Likewise. Skip vuse and/or vdef if requested.
Assert we are not iterating over vuses or vdefs if not also
iterating over uses or defs.
(op_iter_init_use): Likewise.
(op_iter_init_def): Likewise.
(op_iter_next_vdef): Remove.
(op_iter_next_mustdef): Likewise.
(op_iter_init_vdef): Likewise.
(compare_ssa_operands_equal): Likewise.
(link_use_stmts_after): Handle vuse operand.
(is_call_used): Use is_call_clobbered.
(is_call_clobbered): Global variables are always call clobbered,
query the call-clobbers bitmap.
(mark_call_clobbered): Ignore global variables.
(clear_call_clobbered): Likewise.
* tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
virtual operands sanity check.
* tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
Remove.
(TARGET_MEM_REF): Remove TMR_TAG operand.
* tree-dfa.c (add_referenced_var): Initialize call-clobber state.
Remove call-clobber related code.
(remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
(dump_variable): Do not dump SMTs, memory stats, may-aliases or
partitions or escape reason.
(get_single_def_stmt, get_single_def_stmt_from_phi,
get_single_def_stmt_with_phi): Remove.
(dump_referenced_vars): Tidy.
(get_ref_base_and_extent): Allow bare decls.
(collect_dfa_stats): Adjust.
* graphite.c (rename_variables_in_stmt): Adjust.
(graphite_copy_stmts_from_block): Likewise.
(translate_clast): Likewise.
* tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
(EXPR_DIES): New.
(translate_vuse_through_block): Use the oracle.
(phi_translate_1): Adjust.
(value_dies_in_block_x): Use the oracle. Cache the outcome
in EXPR_DIES.
(valid_in_sets): Check if the VUSE for
a REFERENCE is available.
(eliminate): Do not remove stmts during elimination,
instead queue and remove them afterwards.
(do_pre): Do not rebuild alias info.
(pass_pre): Run TODO_rebuild_alias before PRE.
* tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
* tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
(mark_all_v_defs_stmt): Remove.
(mark_all_v_defs_seq): Adjust.
(sra_replace): Likewise.
(scalarize_use): Likewise.
(scalarize_copy): Likewise.
(scalarize_init): Likewise.
(scalarize_ldst): Likewise.
(todoflags): Remove.
(tree_sra): Do not rebuild alias info.
(tree_sra_early): Adjust.
(pass_sra): Run TODO_update_address_taken before SRA.
* tree-predcom.c (set_alias_info): Remove.
(prepare_initializers_chain): Do not call it.
(mark_virtual_ops_for_renaming): Adjust.
(mark_virtual_ops_for_renaming_list): Remove.
(initialize_root_vars): Adjust.
(initialize_root_vars_lm): Likewise.
(prepare_initializers_chain): Likewise.
* tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
(may_propagate_copy_into_stmt): Likewise.
(merge_alias_info): Do nothing for now.
(propagate_tree_value_into_stmt): Adjust.
(stmt_may_generate_copy): Likewise.
* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
not mark symbols for renaming.
(forward_propagate_addr_expr): Match up push/pop_stmt_changes
with the same statement, make sure to update the new pointed-to one.
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
call statements, do not mark symbols for renaming.
(mark_operand_necessary): Dump something.
(ref_may_be_aliased): New function.
(mark_aliased_reaching_defs_necessary_1): New helper function.
(mark_aliased_reaching_defs_necessary): Likewise.
(mark_all_reaching_defs_necessary_1): Likewise.
(mark_all_reaching_defs_necessary): Likewise.
(propagate_necessity): Do not process virtual PHIs. For
non-aliased loads mark all reaching definitions as necessary.
For aliased loads and stores mark the immediate dominating
aliased clobbers as necessary.
(visited): New global static.
(perform_tree_ssa_dce): Free visited bitmap after propagating
necessity.
(remove_dead_phis): Perform simple dead virtual PHI removal.
(remove_dead_stmt): Properly unlink virtual operands when
removing stores.
(eliminate_unnecessary_stmts): Schedule PHI removal after
stmt removal.
* tree-ssa-ter.c (is_replaceable_p): Adjust.
(process_replaceable): Likewise.
(find_replaceable_in_bb): Likewise.
* tree-ssa.c (verify_ssa_name): Verify all VOPs are
based on the single gimple vop.
(verify_flow_insensitive_alias_info): Remove.
(verify_flow_sensitive_alias_info): Likewise.
(verify_call_clobbering): Likewise.
(verify_memory_partitions): Likewise.
(verify_alias_info): Likewise.
(verify_ssa): Adjust..
(execute_update_addresses_taken): Export. Update SSA
manually. Optimize only when optimizing. Use a local bitmap.
(pass_update_address_taken): Remove TODO_update_ssa, add
TODO_dump_func.
(pass_update_address_taken): Just use TODO_update_address_taken.
(init_tree_ssa): Do not initialize addressable_vars.
(verify_ssa): Verify new VUSE / VDEF properties.
Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
Do not call verify_alias_info.
(delete_tree_ssa): Clear the VUSE, VDEF operands.
Do not free the loaded and stored syms bitmaps. Reset the escaped
and callused solutions. Do not free addressable_vars.
Remove memory-tag related code.
(warn_uninitialized_var): Aliases are always available.
* tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
* lambda-code.c (can_put_in_inner_loop): Adjust.
(can_put_after_inner_loop): Likewise.
(perfect_nestify): Likewise.
* tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
(vect_gen_widened_results_half): Remove CALL_EXPR handling.
(vectorizable_conversion): Do not mark symbols for renaming.
* tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
(expand_call_inline): Unlink the calls virtual operands before
replacing it.
(tree_function_versioning): Do not call update_ssa if we are not
updating clones. Simplify.
* tree-ssa-phiprop.c (phivn_valid_p): Adjust.
(propagate_with_phi): Likewise..
* tree-outof-ssa.c (create_temp): Remove memory tag and call
clobber code. Assert we are not aliased or global.
* tree-flow.h: Include tree-ssa-alias.h
(enum escape_type): Remove.
(struct mem_sym_stats_d): Likewise.
(struct mem_ref_stats_d): Likewise.
(struct gimple_df): Add vop member. Remove global_var,
call_clobbered_vars, call_used_vars, addressable_vars,
aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
escaped and callused members.
(struct ptr_info_def): Remove all members, add points-to solution
member pt.
(struct var_ann_d): Remove in_vuse_list, in_vdef_list,
call_clobbered, escape_mask, mpt and symbol_mem_tag members.
* Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
(tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
(tree-ssa-alias.o): Likewise.
(toplev.o): Add tree-ssa-alias.h
(GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
* gimple.c (gimple_set_bb): Fix off-by-one error.
(is_gimple_reg): Do not handle memory tags.
(gimple_copy): Also copy virtual operands.
Delay updating the statement. Do not reset loaded and stored syms.
(gimple_set_stored_syms): Remove.
(gimple_set_loaded_syms): Likewise.
(gimple_call_copy_skip_args): Copy the virtual operands
and mark the new statement modified.
* tree-ssa-structalias.c (may_alias_p): Remove.
(set_uids_in_ptset): Take the alias set to prune with as
parameter. Fold in the alias test of may_alias_p.
(compute_points_to_sets): Compute whether a ptr is dereferenced
in a local sbitmap.
(process_constraint): Deal with &ANYTHING on the lhs, reject all
other ADDRESSOF constraints on the lhs.
(get_constraint_for_component_ref): Assert that we don't get
ADDRESSOF constraints from the base of the reference.
Properly generate UNKNOWN_OFFSET for DEREF if needed.
(struct variable_info): Remove collapsed_to member.
(get_varinfo_fc): Remove.
(new_var_info): Do not set collapsed_to.
(dump_constraint): Do not follow cycles.
(dump_constraint_graph): Likewise.
(build_pred_graph): Likewise.
(build_succ_graph): Likewise.
(rewrite_constraints): Likewise.
(do_simple_structure_copy): Remove.
(do_rhs_deref_structure_copy): Remove.
(do_lhs_deref_structure_copy): Remove.
(collapse_rest_of_var): Remove.
(do_structure_copy): Re-implement.
(pta_stats): New global variable.
(dump_pta_stats): New function.
(struct constraint_expr): Make offset signed.
(UNKNOWN_OFFSET): Define special value.
(dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
(solution_set_expand): New helper function split out from ...
(do_sd_constraint): ... here.
(solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
(do_ds_constraint): Likewise.
(do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
and CALLUSED = *CALLUSED.
(set_union_with_increment): Make inc argument signed.
(type_safe): Remove.
(get_constraint_for_ptr_offset): Handle unknown and negative
constant offsets.
(first_vi_for_offset): Handle offsets before start. Bail
out early for offsets beyond the variable extent.
(first_or_preceding_vi_for_offset): New function.
(init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
Together with ESCAPED = *ESCAPED this properly computes reachability.
(find_what_var_points_to): New function.
(find_what_p_points_to): Implement in terms of find_what_var_points_to.
(pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
pt_solutions_intersect): New functions.
(compute_call_used_vars): Remove.
(compute_may_aliases): New main entry into PTA computation.
* gimple.h (gimple_p): New typedef.
(struct gimple_statement_base): Remove references_memory_p.
(struct gimple_statement_with_memory_ops_base): Remove
vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
members.
(gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
gimple_set_references_memory): Remove.
(gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
New functions.
* tree-cfg.c (move_block_to_fn): Fix off-by-one error.
(verify_expr): Allow RESULT_DECL.
(gimple_duplicate_bb): Do not copy virtual operands.
(gimple_duplicate_sese_region): Adjust.
(gimple_duplicate_sese_tail): Likewise.
(mark_virtual_ops_in_region): Remove.
(move_sese_region_to_fn): Do not call it.
* passes.c (init_optimization_passes): Remove pass_reset_cc_flags
and pass_simple_dse.
(execute_function_todo): Handle TODO_update_address_taken,
call execute_update_addresses_taken for TODO_rebuild_alias.
(execute_todo): Adjust.
(execute_one_pass): Init dump files early.
* ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
call-clobbered.
(create_general_new_stmt): Clear vops.
* tree-ssa-reassoc.c (get_rank): Adjust.
* tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
symbols for renaming.
* params.def (PARAM_MAX_ALIASED_VOPS): Remove.
(PARAM_AVG_ALIASED_VOPS): Likewise.
* tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
(duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
* tree-ssa-operands.c: Simplify for new virtual operand
representation.
(operand_build_cmp, copy_virtual_operands,
create_ssa_artificial_load_stmt, add_to_addressable_set,
gimple_add_to_addresses_taken): Remove public functions.
(unlink_stmt_vdef): New function.
Benjamin Kosnik [Thu, 2 Apr 2009 23:45:56 +0000 (23:45 +0000)]
[multiple changes]
2009-04-02 Benjamin Kosnik <bkoz@redhat.com>
* testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
Change to mersenne_twister_engine, add same defaults as
mersenne_twister_engine/cons/default.cc.
* testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Same.
* include/bits/random.tcc (seed_seq::seed_seq): Uglify parameter
to __il.
* include/bits/random.h (mersenne_twister_engine): Qualify
_ShiftMin1 with namespace __detail.
(__detail::_ShiftMin1): Use __gnu_cxx::__numeric_traits::max until
constexpr std::numeric_limits::max() can be used.
(mersenne_twister_engine): Split apart static asserts into one
assert per message. Temporarily disable the last three.
2009-04-02 Edward Smith-Rowland <3dw4rd@verizon.net>
Chao-ying Fu [Thu, 2 Apr 2009 21:57:41 +0000 (21:57 +0000)]
mips.c (mips_frame_info): Add acc_mask...
2009-04-02 Chao-ying Fu <fu@mips.com>
James Grosbach <james.grosbach@microchip.com>
* config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
cop0_sp_offset.
(machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
keep_interrupts_masked_p, use_debug_exception_return_p.
(mips_attribute_table): Add interrupt, use_shadow_register_set,
keep_interrupts_masked, use_debug_exception_return.
(mips_interrupt_type_p, mips_use_shadow_register_set_p,
mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
New functions.
(mips_function_ok_for_sibcall): Return false for interrupt handlers.
(mips_print_operand): Process COP0 registers to print $0 .. $31
correctly for GAS to process.
(mips_interrupt_extra_call_saved_reg_p): New function.
(mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
extra registers.
(mips_cfun_might_clobber_call_saved_reg_p): Likewise.
(mips_compute_frame_info): Add supports for interrupt context that
includes doubleword accumulators and COP0 registers.
(mips_for_each_saved_acc): New function.
(mips_for_each_saved_gpr_and_fpr): Change the function name from
mips_for_each_saved_reg.
(mips_save_reg): Save accumulators.
(mips_kernel_reg_p): A new for_each_rtx callback.
(mips_expand_prologue): Support interrupt handlers.
(mips_restore_reg): Restore accumulators.
(mips_expand_epilogue): Support interrupt handlers.
(mips_can_use_return_insn): Return false for interrupt handlers.
(mips_epilogue_uses): New function.
* config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
(mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
cop0_move): New instructions.
* config/mips/mips-protos.h (mips_epilogue_uses): Declare.
* config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
defines.
(COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
New defines.
(CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
(MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
interrupt handlers, we use K0 as the temporary register.
(EPILOGUE_USES): Change to a function call.
* config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
handlers, we use K0 as the temporary register.
Alan Modra [Thu, 2 Apr 2009 21:41:58 +0000 (21:41 +0000)]
config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
* config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
Remove a number of t-files from tmake_file.
* config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
* config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
target_prototype, not TARGET_PROTOTYPE.
(LINK_OS_GNU_SPEC): Define.
* config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
and darwin-ldoubdle.c.
Ira Rosen [Thu, 2 Apr 2009 12:39:28 +0000 (12:39 +0000)]
re PR tree-optimization/39595 (ICE in vectorizable_store at tree-vect-transform.c:5361)
PR tree-optimization/39595
* tree-vect-slp.c (vect_build_slp_tree): Check that the size of
interleaved loads group is not greater than the SLP group size.
PR c++/26693
* decl2.c (grokfield): when a typedef appears in a
class, create the typedef variant type node for it.
(save_template_attributes): Creating typedef variant type node
here is now useless.
* decl.c (grokdeclarator): If the typedef'ed struct/class was
anonymous, set the proper type name to all its type variants.
(xref_basetypes) : Fixup the variant types after setting
TYPE_BINFO on REF.
* name-lookup.c (pushdecl_maybe_friend): Reuse the
set_underlying_type function to install typedef variant types.
* cp-tree.h (MEMBER_TYPES_NEEDING_ACCESS_CHECK): New template accessor
macro.
(append_type_to_template_for_access_check): New entry points.
* semantics.c (check_accessibility_of_qualified_id):
When a typedef that is a member of a class appears in a template,
add it to the template. It will be ...
* class.c (finish_struct_bits): Split type variant fixup into ...
(fixup_type_variants): A new entry point.
* pt.c (instantiate_class_template, instantiate_template ): ... access
checked at template instantiation time.
(resolve_type_name_type): The type name should be the name of the
main type variant.
(retrieve_specialization): Specializations of template typedefs aren't
to be looked up in DECL_TEMPLATE_INSTANTIATIONS (tmpl).
(append_type_to_template_for_access_check): New entry point.
(tsubst_decl): For typedefs, build the variant type from the correct
original type.
(get_class_bindings): Fix function comment.
(perform_typedefs_access_check): New entry point.
PR c++/26693
* g++.dg/template/typedef11.C: New test.
* g++.dg/template/typedef12.C: Likewise.
* g++.dg/template/typedef13.C: Likewise.
* g++.dg/template/typedef14.C: Likewise.
* g++.dg/template/typedef15.C: Likewise.
* g++.dg/template/typedef16.C: Likewise.
* g++.dg/template/sfinae3.C: Compile this pedantically.
The only errors expected should be the one saying the typedef is ill
formed.
* g++.old-deja/g++.pt/typename8.C: Likewise.
* g++.dg/template/access11.C: Update this.
* include/ext/bitmap_allocator.h: the typedefs should be made public
if we want them to be accessible. This has been revealed by the patch
that fixes PR c++/26693 in g++.
re PR middle-end/37221 (Missed early loop-unroll optimization - causes 40% degradation on SPU)
2009-04-02 Richard Guenther <rguenther@suse.de>
PR tree-optimization/37221
* tree-flow.h (degenerate_phi_result): Declare.
* tree-ssa-dom.c (degenerate_phi_result): Export.
* tree-scalar-evolution.c (analyze_initial_condition): If
the initial condition is defined by a degenerate PHI node
use the degenerate value.
* gcc.c-torture/compile/20090331-1.c: New testcase.
Eric Botcazou [Wed, 1 Apr 2009 20:46:30 +0000 (20:46 +0000)]
re PR rtl-optimization/39588 (internal compiler error: in trunc_int_for_mode, at explow.c:55)
PR rtl-optimization/39588
* combine.c (merge_outer_ops): Do not set the constant when this
is not necessary.
(simplify_shift_const_1): Do not modify it either in this case.
Janis Johnson [Wed, 1 Apr 2009 17:31:26 +0000 (17:31 +0000)]
re PR target/39027 (double floating point suffix of 'd' and 'D' not accepted)
gcc/
PR c/29027
* c-lex.c (interpret_float): Default (no suffix) is double.
libcpp/
PR c/29027
* include/cpplib.h (CPP_N_DEFAULT): Define.
* expr.c (interpret_float_suffix): Recognize d or D for double,
return new value for default.
(cpp_classify_number): Issue pedwarn for use of d or D in suffix.
gcc/testsuite/
PR c/29027
* gcc.dg/fltconst-1.c: Don't error for use of d or D in suffix.
* gcc.dg/fltconst-2.c: New test.
* gcc.dg/fltconst-double-pedantic-1.c: New test.
* gcc.dg/fltconst-double-pedantic-2.c: New test.
Joseph Myers [Wed, 1 Apr 2009 14:41:06 +0000 (15:41 +0100)]
re PR c/39605 ("error: variable-size type declared outside of any function" is issued twice)
PR c/39605
* c-decl.c (grokdeclarator): Pedwarn for file-scope array
declarator whose size is not an integer constant expression but
folds to an integer constant, then treat it as a constant
subsequently.
Nick Clifton [Wed, 1 Apr 2009 12:22:14 +0000 (12:22 +0000)]
m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not already defined.
* config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
already defined.
* config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
* config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
other typedefs to avoid conflicts with libgcc2.c. Define labels
to gain 16-bit bit-manipulation functions from libgcc2.c and then
include it.
* config/m32c/m32c-lib2-trapv.c: New file. Define labels
to gain 16-bit trapping arithmetic functions from libgcc2.c and
then include it.