*doc/install.texi: Add s390 s390x as new targets.
*doc/invoke.texi: Add documantation of S/390 and zSeries
target options.
* doc/md.texi: Add documantation of S/390 and zSeries constraints.
Jeff Sturm [Tue, 31 Jul 2001 01:59:44 +0000 (01:59 +0000)]
natPlainDatagramSocketImpl.cc: Undefine bind if defined.
* java/net/natPlainDatagramSocketImpl.cc: Undefine bind if defined.
(_Jv_bind): New static function.
(bind): Use _Jv_bind.
* java/net/natPlainSocketImpl.cc: Undefine bind, connect if defined.
(_Jv_bind, _Jv_connect): New static functions.
(bind): Use _Jv_bind.
(connect): Use _Jv_connect.
Jan Hubicka [Mon, 30 Jul 2001 20:30:23 +0000 (22:30 +0200)]
i386.c (ix86_output_main_function_alignment_hack): New function.
* i386.c (ix86_output_main_function_alignment_hack): New function.
(TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
* flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
edges by EDGE_DFS_BACK flag.
(dump_edge_info): Add dfs_back flag.
* basic-block.h (EDGE_DFS_BACK): New constant.
(mark_dfs_back_edges): Declare.
* alias.c (loop_p): Remove.
(mark_constant_function): Use mark_dfs_back_edges.
* reg-stack.c (block_info_def): Add predecesors counter and stack_out.
(reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
(compensate_edge): Break out from ...
(convert_regs_1): ... here; do smart choosing of stack_out to copy.
(convert_regs_2): Set block_done once block is really done;
Do updating of the predecesors counts.
* toplev.c (rest_of_compilation): Recompute block_for_insn
before post-reload cfg_cleanup.
* function.c (thread_prologue_epilogue_insns):
Call set_block_for_new_insns when emitting prologue directly.
Andreas Jaeger [Mon, 30 Jul 2001 18:04:33 +0000 (20:04 +0200)]
jump.c: Add prototype for mark_modified_reg.
* jump.c: Add prototype for mark_modified_reg.
* cse.c (set_live_p): Add unused attribute.
* gcov.c (calculate_branch_probs): Use gcov_type to avoid
overflow.
(scan_for_source_files): Use long for count to avoid overflow.
(output_data): Likewise.
(output_data): Don't use string concatatenation to silence gcc
-traditional.
Jan Hubicka [Sun, 29 Jul 2001 19:44:42 +0000 (21:44 +0200)]
Suggested by Richard Henderson and Richard Kenner:
* combine.c (recog_for_combine): Use the fake recog
only if instruction does not match.
* rtl.h (NOOP_MOVE_INSN_CODE): New.
* rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
* combine.c (try_combine): Discover noop jump as direct jump.
Neil Booth [Sun, 29 Jul 2001 17:27:57 +0000 (17:27 +0000)]
cppexp.c (parse_defined): Always record the macro name.
* cppexp.c (parse_defined): Always record the macro name.
(lex): Don't worry about identifiers, or special-case
CPP_NOT here.
(_cpp_parse_expr): Figure out at the end of the routine
whether we saw a valid !defined() expression.
* cppfiles.c (stack_include_file): Update for mi_valid.
(_cpp_pop_file_buffer): Similarly.
* cpplex.c (_cpp_lex_token): Similarly.
* cpphash.h (enum mi_state, enum mi_ind, mi_state,
mi_if_not_defined, mi_lexed): Remove.
(mi_valid): New.
* cpplib.c (do_if): Simplify.
(do_endif, push_conditional, _cpp_handle_directive): Update
for renaming of mi_state to mi_valid.
* cpp.texi: Add index entries for digraphs, and add comment
that C++ refers to them as alternative tokens.
* dwarf2out.c (dw_val_class_offset): New.
(struct dw_ranges_struct, dw_ranges_ref): New.
(ranges_table, ranges_table_allocated): New.
(ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
(add_AT_offset, add_ranges, output_ranges): New.
(print_die, output_die): Handle dw_val_class_offset.
(attr_checksum, size_of_die, value_format): Likewise.
(gen_lexical_block_die): Handle non-contiguous blocks.
(gen_block_die): Likewise.
(dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
if needed. Dump the ranges table.
* final.c (final_start_function): Remove unnecessary notes and
rebuild the block tree before numbering the blocks.
* function.c (reorder_blocks_0): Walk the existing block tree
to unmark all blocks.
(reorder_blocks_1): Create block fragments when duplicate block
notes are seen.
(reorder_fix_fragments): New.
(reorder_blocks): Call it.
* tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
* flow.c (add_to_mem_set_list): New function.
(init_propagate_block_info): Use it.
(mark_set_1): Likewise.
(insn_dead_p): Canonicalize memory address for dead store
comparison. Allow wider mode stores to kill narrower mode stores.
(invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
(invalidate_mems_from_set): Don't handle MEMs.
Jan Hubicka [Sat, 28 Jul 2001 21:37:35 +0000 (23:37 +0200)]
basic-block.h (EDGE_FREQUENCY): New macro.
* basic-block.h (EDGE_FREQUENCY): New macro.
* bb-reorder (fixup_reorder_chain): Set counts and frequencies
for new BB/edges.
* flow.c (find_sub_basic_blocks): Likewise.
(try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
(redirect_edge_and_branch): Use EDGE_FREQUENCY.
* predict.c (DEF_PREDICTOR): New argument FLAGS.
(HITRATE): New macro.
(PRED_FLAG_FIRST_MATCH): New constant.
(predictor_info): New field flgags.
(combine_predictions_for_insn): Use DS theory to combine
probabilities; set the edge probabilities when finished.
(estimate_probability): Avoid duplicated matches
of LOOP_BRANCH heuristics for nested loops; update comment.
* predict.def: Add flags for each prediction, set probabilities
according to B&L paper.
* predict.h (DEF_PREDICTOR): New argument FLAGS.
* profile.c (compute_branch_probabilities): Cleanup way the edge
probabilities are computed and REG_BR_PROB notes are dropped; if
values does not match, emit error.
(init_branch_prob): Do error instead of warning when profile driven
feedback is missing or corrupt.
DJ Delorie [Sat, 28 Jul 2001 03:13:34 +0000 (23:13 -0400)]
ifcvt.c (noce_get_alt_condition): If the condition is a compare against a constant...
* ifcvt.c (noce_get_alt_condition): If the condition is a compare
against a constant, try to adjust the compare to have the desired
constant in it so that min/max optimizations happen more often.
class.c (mark_primary_virtual_base): Don't adjust base offsets here.
cp:
* class.c (mark_primary_virtual_base): Don't adjust base
offsets here.
(dfs_unshared_virtual_bases): Adjust them here.
(mark_primary_bases): Explain why we adjust at the end.
testsuite:
* g++.dg/abi/vbase8-21.C: New test.
class.c (finish_struct_1): When copying the primary base's VFIELD, make sure we find it is at offset zero.
cp:
* class.c (finish_struct_1): When copying the primary base's
VFIELD, make sure we find it is at offset zero.
testsuite:
* g++.dg/abi/vbase8-10.C: New test.
* simplify-rtx.c (avoid_constant_pool_reference): Export.
* rtl.h (avoid_constant_pool_reference): Declare it.
* dwarf2out.c (add_location_or_const_value_attribute): Use it.
(add_const_value_attribute): Use add_AT_unsigned for unsigned values.
Jan Hubicka [Thu, 26 Jul 2001 20:36:01 +0000 (22:36 +0200)]
rtl.h (cleanup_barriers): Declare.
* rtl.h (cleanup_barriers): Declare.
* jump.c (cleanup_barriers): New function.
* toplev.c (rest_of_compilation): Call cleanup_barriers
before loop optimizer and after bb_reorder.
* flow.c (back_edge_of_syntactic_loop_p): New.
(split_edge): Use it.
John Wehle [Thu, 26 Jul 2001 18:06:45 +0000 (18:06 +0000)]
basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
* basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
(PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
(propagate_block): Update prototype.
* flow.c (update_life_info): Simplify the CFG and
recalculate the global regs which are alive when
removing dead code during a global update.
(propagate_block): Return non-zero if an INSN is
deleted.
Andrew MacLeod [Thu, 26 Jul 2001 13:59:22 +0000 (13:59 +0000)]
params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to limit length of dependancy flush list.
2001-07-26 Andrew MacLeod <amacleod@redhat.com>
* params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
limit length of dependancy flush list.
* params.h (MAX_PENDING_LIST_LENGTH): Define.
* sched-int.h (struct deps): Add pending_flush_length field.
* sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
has 1 element in it.
(sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
(sched_analyze): After a jump, if the pending memory flush list is too
large, flush the pending lists.
(init_deps): Initialize pending_flush_length to 0.
* doc/invoke.texi (max_pending_list_length): Document parameter.
* java/util/Calendar.java (set): Never recompute fields here. They
will already be set if someone set time explicitly, and it can cause
problems to do so. Don't invalidate AM_PM setting if HOUR is set.
* java/util/GregorianCalendar.java (computeTime): Don't ignore an
HOUR setting if AM_PM is set. Don't try to ensure the HOUR value is
sane.
* java/text/SimpleDateFormat.java (defaultCentury): New field.
(readObject): Call set2DigitYearStart if appropriate so that
defaultCentury is calculated.
(SimpleDateFormat): Don't bother clearing calendar here. Call
computeCenturyStart().
(set2DigitYearStart): Calculate and set defaultCentury.
(format): Don't clone the calendar. Use "calendar" not "theCalendar"
everywhere.
(parse): Likewise. If the pattern is "y" or "yy" and it found exactly
2 numeric digits, use the 80-20 heuristic to parse the value into a
default century based on defaultCenturyStart.
(computeCenturyStart): Rewritten. Call set2DigitYearStart().
PR c++/3152
* decl.c (grokdeclarator): Detect when a function typedef is
declaring a function, and create last_function_parms correctly.
testsuite:
* g++.old-deja/g++.other/crash42.C: New test.
Richard Kenner [Wed, 25 Jul 2001 22:03:03 +0000 (18:03 -0400)]
dbxout.c: Consistently use putc instead of fputc.
* dbxout.c: Consistently use putc instead of fputc.
(print_wide_int): New function; call instead of direct fprintf.
(dbxout_type_index): Adjust calls of CHARS to be more accurate.
(dbxout_type_fields, dbxout_type_method_1): Likewise.
(dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
(print_int_cst_octal): Likewise.
(print_octal): Show we wrote characters.
(dbxout_type): Set have_used_extensions in more places.
Jason Merrill [Wed, 25 Jul 2001 15:04:32 +0000 (11:04 -0400)]
call.c (joust): Only prefer a non-builtin candidate to a builtin one if...
* call.c (joust): Only prefer a non-builtin candidate to a builtin
one if they have the same signature.
* cvt.c (build_up_reference): Take DECL parm. Check TREE_STATIC on
it rather than toplevel_bindings_p. Give it a mangled name if static.
(convert_to_reference): Adjust.
* decl2.c (get_temp_name): Lose.
* mangle.c (mangle_ref_init_variable): New fn.
(mangle_guard_variable): Strip the ref-init header.
* cp-tree.h: Adjust.
* decl.c (cp_finish_decl): Add the DECL_STMT after processing the
initializer.
(grok_reference_init): Always use DECL_INITIAL.