Roger Sayle [Tue, 3 Jan 2006 07:18:48 +0000 (07:18 +0000)]
combine.c (reg_subword_p): New predicate to test whether the destination of a set refers to a...
* combine.c (reg_subword_p): New predicate to test whether the
destination of a set refers to a subword/piece of a register.
(try_combine): Generalize the code to merge the setting of a
pseudo to a constant followed by a set of a subword of that
register to a constant.
Kazu Hirata [Tue, 3 Jan 2006 06:30:13 +0000 (06:30 +0000)]
tree-ssa-propagate.c (cfg_blocks): Change the type to VEC(basic_block,heap) *.
* tree-ssa-propagate.c (cfg_blocks): Change the type to
VEC(basic_block,heap) *.
(cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
ssa_prop_fini): Adjust the uses of cfg_blocks.
Kazu Hirata [Tue, 3 Jan 2006 06:29:07 +0000 (06:29 +0000)]
basic-block.h (control_flow_graph): Change the type of x_label_to_block_map to VEC(basic_block,gc) *.
* basic-block.h (control_flow_graph): Change the type of
x_label_to_block_map to VEC(basic_block,gc) *.
* tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
Steven Bosscher [Tue, 3 Jan 2006 06:20:21 +0000 (06:20 +0000)]
re PR rtl-optimization/25130 (miscompilation in GCSE)
* fold-const.c (operand_equal_p): Accept a NULL operand 0 for
COMPONENT_REFs.
* emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
hashing trees instead of a pointer hash.
(mem_attrs_htab_eq): Do a deep compare instead of a pointer
compare for MEM_EXPR.
PR rtl-optimization/25130
* cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
when comparing MEMs for GCSE
* dwarf2out.c (have_switched_text_section): Delete.
(have_multiple_function_sections): New.
(have_location_lists): Make 'bool'.
(add_AT_loc_list): Use 'true' not '1'.
(dwarf2out_switch_text_section): Set have_multiple_function_sections.
(output_loc_list): Use have_multiple_function_sections.
(output_ranges): Likewise.
(dwarf2out_begin_function): Set have_multiple_function_sections if
necessary.
(dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
Check function_section rather than DECL_SECTION_NAME.
(dwarf2out_finish): Use have_multiple_function_sections.
Don't clear have_location_lists.
Eric Botcazou [Mon, 2 Jan 2006 22:47:50 +0000 (22:47 +0000)]
cfglayout.c (fixup_reorder_chain): Remove kludge for the case of conditional jump jumping to the next instruction.
* cfglayout.c (fixup_reorder_chain): Remove kludge for the
case of conditional jump jumping to the next instruction.
* cfgrtl.c (force_nonfallthru_and_redirect): Accept all
cases of conditional jump jumping to the next instruction.
Co-Authored-By: Jan Hubicka <jh@suse.cz>
From-SVN: r109247
Jerry DeLisle [Sun, 1 Jan 2006 02:45:22 +0000 (02:45 +0000)]
re PR libfortran/25594 (LAPACK regression in schkbl.f)
2005-12-31 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25594
PR libgfortran/25419
* io/list_read.c (list_formatted_read_scalar): Test for comma to return
a null value (default). Revert patch of 25419 on 2005-12-28.
Jakub Jelinek [Sat, 31 Dec 2005 23:45:58 +0000 (00:45 +0100)]
re PR c++/25294 (Bogus "unterminated comment" error from #pragma comment)
PR c++/25294
* directives.c (do_pragma): If pragma line ends with multi-line
block comment, end the saved deferred pragma string before that
comment. Handle embedded '\0' chars on the pragma line.
* gcc.dg/pragma-pack-3.c: New test.
* g++.dg/parse/pragma3.C: New test.
Andrew Pinski [Sat, 31 Dec 2005 19:38:05 +0000 (11:38 -0800)]
re PR tree-optimization/25612 (Ada bootstrap failure on x86_64 find_or_generate_expression, at tree-ssa-pre.c:2028)
2005-12-31 Andrew Pinski <pinskia@ohysics.uc.edu>
PR tree-opt/25612
* tree-ssa-pre.c (compute_avail): Treat the static chain decl as a
parameter and pretend that it is defined in the entry basic block.
Kazu Hirata [Fri, 30 Dec 2005 23:57:30 +0000 (23:57 +0000)]
tree-outof-ssa.c (_elim_graph): Change the type of STACK to VEC(int,heap).
* tree-outof-ssa.c (_elim_graph): Change the type of STACK to
VEC(int,heap).
(new_elim_graph, delete_elim_graph, elim_forward,
eliminate_phi): Use the VEC API on STACK.
* tree-vn.c (struct val_expr_pair_d): Remove stmt, add vuses.
(vn_compute): Remove stmt argument.
Don't use vuses in hash value computation.
(val_expr_pair_eq): Compare vuse lists.
(copy_vuses_from_stmt): New function.
(shared_vuses_from_stmt): Ditto.
(vn_add): Rewrite in terms of vn_add_with_vuses.
(vn_add_with_vuses): New function.
(vn_lookup): Rewrite in terms of vn_lookup_with_vuses.
(vn_lookup_with_vuses): New function.
(vuses_compare): New function.
(print_creation_to_file): Ditto.
(vn_lookup_or_add): Rewrite to handle vuses.
(sort_vuses): New function.
(vn_lookup_or_add_with_vuses): Ditto.
(vn_init): Initialize shared_lookup_vuses.
(vn_delete): Free shared_lookup_vuses.
* tree-ssa-pre.c: Update todo list.
(bb_value_sets_t): Add rvuse_in, rvuse_out, rvuse_gen, and
rvuse_kill.
(RVUSE_IN): New macro.
(RVUSE_GEN): Ditto.
(RVUSE_KILL): Ditto.
(RVUSE_OUT): Ditto.
(modify_expr_node_pool): New function.
(pretemp): New.
(storetemp): Ditto.
(mergephitemp): Ditto.
(prephitemp): Ditto.
(struct expr_pred_trans_d): Add vuses member.
(expr_pred_trans_eq): Compare vuses.
(phi_trans_lookup): Add vuses argument.
(phi_trans_add): Ditto.
(translate_vuses_through_block): New function.
(phi_translate): Use vuses to ask about those expressions that can
have vuses.
Properly translate virtual uses through phis, and use
vn_lookup_or_add_with vuses. Handle tcc_reference.
(phi_translate_set): Don't add pointless translations to the
cache.
(get_representative): New function.
(vuses_dies_in_block_x): Ditto.
(valid_in_set): Add block argument. Check virtual use validity.
(clean): Add block argument. Update call to valid_in_set
(compute_antic_aux): Update call to clean.
(dump_bitmap_of_names): New function.
(compute_vuse_representatives): Ditto.
(compute_rvuse): Ditto.
(can_value_number_call): Modified to accept calls with vuses.
(can_value_number_operation): New function.
(can_PRE_operation): Ditto.
(need_creation): New vector of stores that may need creation.
(find_or_generate_expression): use can_PRE_operation.
(create_expression_by_pieces): Handle INDIRECT_REF.
Only create one temp until we have to change types.
Mark new vars for renaming.
(insert_into_preds_of_block): Ignore loopiness of loads.
Use can_PRE_operation.
Only create one temp until we have to chnge types.
(insert_aux): Use can_PRE_operation.
Don't pass name to insert_into_preds_of_block.
(insert_extra_phis): Only use one temp until we have to change
types.
(poolify_tree): New function.
(modify_expr_template): New var.
(poolify_modify_expr): New function.
(insert_fake_stores): Ditto.
(realify_fake_stores): Ditto.
(compute_avail): Use can_value_number_operation.
(mark_operand_necessary): Return NULL for non-SSA names.
(remove_dead_inserted_code): Update comment.
(init_pre): Initialize pretemp, need_creation, storetemp,
mergephitemp, prephitemp.
Create modify_expr_node_pool.
(fini_pre): Free modify_expr_node_pool and need_creation array.
(execute_pre): Call insert_fake_stores, compute_rvuse, and
realify_fake_stores.
* tree-flow.h (vn_compute): Fix prototype.
(vn_add): Ditto.
(vn_lookup): Ditto.
(sort_vuses): New.
(vn_lookup_or_add_with_vuses): Ditto.
(vn_add_with_vuses): Ditto.
(vn_lookup_with_vuses): Ditto.
* passes.c (pass_may_alias): Add.
Gabriel Dos Reis [Fri, 30 Dec 2005 17:27:28 +0000 (17:27 +0000)]
c-pretty-print.h (struct c_pretty_print_info): Add new member "constant".
2005-12-30 Gabriel Dos Reis <gdr@integrable-solutions.net>
* c-pretty-print.h (struct c_pretty_print_info): Add new
member
"constant".
(pp_constant): New macro.
* c-pretty-print.c (pp_c_pretty_printer_init): Set
pp->constant.
cp/
2005-12-30 Gabriel Dos Reis <gdr@integrable-solutions.net>
* cxx-pretty-print.c (pp_cxx_constant): New. Print
string-literal in parens if input program says so.
(pp_cxx_primary_expression): Hand off constant printing to
pp_cxx_constant.
(pp_cxx_pretty_printer_init): Set pp->c_base.constant.
(pp_cxx_expression): Use pp_cxx_constant for literals.
* error.c (dump_expr): Use pp_constant for literals.
* bitmap.c (bitmap_element_free, bitmap_element_link,
bitmap_elt_insert_after, bitmap_and, bitmap_and_compl,
bitmap_and_compl, bitmap_ior, bitmap_ior_into, bitmap_xor,
bitmap_xor_into): Added code to properly maintain the variants
associated with the CURRENT and HEAD fields.
(bitmap_popcount, bitmap_clear_range, bitmap_compl_and_into): New
functions. * bitmap.h: Added defs for bitmap_popcount,
bitmap_clear_range, and bitmap_compl_and_into.
Nathan Sidwell [Thu, 29 Dec 2005 16:38:26 +0000 (16:38 +0000)]
varasm.c (get_section): Use gcc_assert.
* varasm.c (get_section): Use gcc_assert.
cp:
* method.c (make_thunk): Don't set comdat_linkage here.
(use_thunk): Make thunk one only here, if thunk target is
DECL_ONE_ONLY.
testsuite:
* g++.dg/abi/thunk3.C: New.
* g++.dg/abi/thunk4.C: New.
Paul Brook [Thu, 29 Dec 2005 15:23:23 +0000 (15:23 +0000)]
m68k.h (RETURN_ADDR_RTX): Define.
2005-12-29 Paul Brook <paul@codesourcery.com>
* config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
* config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
Include offset due to FIRST_PARM_OFFSET.
Paul Brook [Thu, 29 Dec 2005 15:16:50 +0000 (15:16 +0000)]
lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
2005-12-29 Paul Brook <paul@codesourcery.com>
* config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
Create wrapper and rename body...
(__cmpdf2_internal): ... to this. Return correct value for unordered
result.
(__cmpsf2): Create wrapper and rename body...
(__cmpsf2_internal): ... to this. Return corerct value for unordered
result.
(__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
__cmpdf2_internal.
(__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
__cmpsf2_internal.
Paul Thomas [Thu, 29 Dec 2005 06:11:21 +0000 (06:11 +0000)]
re PR fortran/25532 (ICE in gfc_conv_component_ref, at fortran/trans-expr.c:269)
2005-12-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25532
* trans-types.c (copy_dt_decls_ifequal): Copy declarations for
components of derived type components by recursing into
gfc_get_derived_type.
2005-12-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25532
*gfortran.dg/host_used_types_1.f90: Check that host associated
derived type components of derived types are properly declared
in contained procedures.
Jerry DeLisle [Wed, 28 Dec 2005 20:58:08 +0000 (20:58 +0000)]
re PR libfortran/25139 ("Invalid argument" error on I/O)
2005-12-28 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25139
* io/unix.c (fd_truncate): Set s->active to zero.
PR libgfortran/25510
* libgfortran.h: Add ERROR_INTERNAL and ERROR_INTERNAL_UNIT.
* runtime/error.c (translate_error): Add messages for new errors.
* io/list_read.c (next_char): Use new errors.
* io/transfer.c (next_record_r) (next_record_w): Use new errors.
Anthony Green [Wed, 28 Dec 2005 17:46:21 +0000 (17:46 +0000)]
[multiple changes]
2005-12-27 Tom Tromey <tromey@redhat.com>
* gnu/java/nio/SelectorImpl.java: Added import.
2005-12-26 Anthony Green <green@redhat.com>
* java/net/Socket.java (connect): Don't close the socket on
exceptions.
* gnu/java/nio/SocketChannelImpl.java (read): Compute the right amount
of data to read (dst.remaining()).
* gnu/java/nio/DatagramChannelImpl.java (receive): Ditto.
Roger Sayle [Tue, 27 Dec 2005 23:27:34 +0000 (23:27 +0000)]
fold-const.c (int_const_binop): Return NULL_TREE when an expression can't be evaluated at compile-time (instead...
* fold-const.c (int_const_binop): Return NULL_TREE when an expression
can't be evaluated at compile-time (instead of calling abort).
Return NULL_TREE for division (and modulus) by zero.
(const_binop): Return NULL_TREE for floating point operators that
aren't handled by real_arithmetic.
(fold_binary): Eliminate "wins" variable, and "binary" label, by
folding operators with constant operands early. Assert that
operands are non-NULL.
Mark Mitchell [Tue, 27 Dec 2005 06:09:13 +0000 (06:09 +0000)]
PR c++/23171, c++/23172, c++/25417.
* c-decl.c (compound_literal_number): Remove.
(build_compound_literal): Use set_compound_literal_name.
* c-common.c (compound_literal_number): New variable.
(set_compound_literal_name): New function.
* c-common.h (set_compound_literal_name): Declare.
PR c++/23171, c++/23172, c++/25417.
* typeck.c (build_unary_op): Create temporary variables for
compound literals whose addresses are taken.
* init.c (expand_aggr_init_1): Use COMPOUND_LITERAL_P.
* decl.c (reshape_init_vector): Likewise.
(reshape_init): Give it external linkage.
(check_initializer): Use COMPOUND_LITERAL_P.
(initialize_artificial_var): Allow the initializer to be a
CONSTRUCTOR.
* call.c (make_temporary_var_for_ref_to_temp): Use
create_temporary_var.
* cp-tree.h (COMPOUND_LITERAL_P): New macro.
(rehape_init): Declare.
* typeck2.c (digest_init): Use COMPOUND_LITERAL_P.
* semantics.c (finish_compound_literal): Use reshape_init.
Kazu Hirata [Mon, 26 Dec 2005 23:00:18 +0000 (23:00 +0000)]
re PR middle-end/25125 ((short) ((int)(unsigned short) + (int)) is done in the wrong type)
gcc/
PR tree-optimization/25125
* convert.c (convert_to_integer): Don't narrow the type of a
PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
is signed.
Kazu Hirata [Sun, 25 Dec 2005 16:59:51 +0000 (16:59 +0000)]
final.c (compute_alignments): Make it static.
* final.c (compute_alignments): Make it static.
* gcse.c (gcse_main, bypass_jumps): Likewise.
* web.c (web_main): Likewise.
* output.h: Remove the prototype for compute_alignments.
* rtl.h: Remove the prototypes for web_main, gcse_main, and
bypass_jumps.
Paul Thomas [Sat, 24 Dec 2005 12:05:36 +0000 (12:05 +0000)]
re PR fortran/25029 (Assumed size array can be associated with array pointer without upper bound of last dimension)
2005-12-24 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25029
PR fortran/21256
* resolve.c (check_assumed_size_reference, resolve_assumed_size_actual):
Remove because of regressions caused by patch.
(resolve_function, resolve_call, resolve_variable): Remove assumed size
checks because of regressionscaused by patch.
PR fortran/25029
PR fortran/21256
* gfortran.dg/initialization_1.f90: Remove tests of intrinsic functions
with incorrect assumed size references.
(simplify_shift_const): Leave only the fallback
case when no simplification is possible. Extract to...
(simplify_shift_const_1): ... here. Always create a new
RTX instead of substituting. Remove the signed_count variable.
Return NULL_RTX if no substitution is possible.
(simplify_and_const_int): Leave only the fallback
case when no simplification is possible. Extract to...
(simplify_and_const_int_1): ... here. Always create a new
RTX instead of substituting. Return NULL_RTX if no substitution
is possible.
(force_to_mode, simplify_comparison): Don't pass a non-NULL first
parameter to simplify_and_const_int and simplify_shift_const,
unless it is equal to the expected non-simplified result.
Jakub Jelinek [Fri, 23 Dec 2005 09:43:36 +0000 (10:43 +0100)]
re PR target/25005 (ICE in extract_constrain_insn_cached, at recog.c:2002)
PR target/25005
* regrename.c (replace_oldest_value_reg): Use validate_change with
IN_GROUP set to 1 instead of doing direct modifications.
(copyprop_hardreg_forward_1): Likewise. If any replace_oldest_*
replacements have been performed on an instruction, use
apply_change_group ().
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