1 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * reload.c (find_reloads): Fix test for usage by other reload
4 to handle secondary reloads properly.
6 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
9 intermediate structure which has exactly the members provided by
10 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
11 static intermediate structure.
13 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
14 from the intermediate structure. Do the same analogous fix in
15 the case where ELIMINABLE_REGS is not defined.
17 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
19 * pa.h (SELECT_SECTION): Fix thinko.
21 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
23 * dwarf2out.c (output_call_frame_info): Comments on last change.
25 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
27 * arm.c (add_constant): When taking the address of an item in the
28 pool, get the mode of the item addressed.
30 * arm.c (final_prescan_insn case INSN): If an insn doesn't
31 contain a SET or a PARALLEL, don't consider it for conditional
34 Restore ABI compatibility for NetBSD.
35 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
37 (RETURN_IN_MEMORY): Likewise.
39 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
41 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
42 (m32r_output_block_move): Rewrite bytes < 4 handling.
44 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
46 * configure.in: Call AC_FUNC_VFORK.
48 * collect2.c: Define VFORK_STRING as a printable string for
49 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
50 defined, include vfork.h. If VMS is defined, define vfork()
51 appropriately. Remove vfork check on USG, we're using autoconf.
52 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
53 checking locally what string to pass.
54 (scan_prog_file): Likewise.
55 (scan_libraries): Likewise.
57 * gcc.c: Remove vfork check on USG, we're using autoconf.
58 Besides, no calls to vfork/fork occur in this file.
60 * protoize.c: Likewise.
62 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
64 * configure.in (DEFAULT_LINKER): renamed from LD
65 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
66 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
69 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
71 * BUGS: fix the regexp for `more' to find the appropriate node.
72 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
74 * BUGS: added link to the WWW FAQ
76 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
78 * version.c: Bump for snapshot.
80 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
82 * From Christian Gafton:
83 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
84 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
85 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
87 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
89 * c-common.c (c_get_alias_set): Allow all type-punning through
90 unions. Don't get confused about the type of a bit-field, despite
91 the antics of build_modify_expr.
93 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
95 * fixinc.sco: Paramaterize #include_next values.
96 * fixinc/fixinc.sco: Likewise.
98 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
100 * toplev.c (rest_of_compilation): No longer set reload_completed.
101 * reload1.c (reload): Set it here. Perform instruction splitting
102 after reload has completed if we will be running the scheduler
105 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
107 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
108 EH region if exceptions are enabled and we're performing cross
110 (find_cross_jump): Exit loop if the insns are in different EH regions.
112 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
114 * dwarf2out.c (output_call_frame_info): Use
115 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
117 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
119 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
120 * c-common.c (check_format_info): Don't check for the 'x'
121 format character twice, instead check for 'x' and 'X'
123 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
125 * configure.in (assembler features): Also make gas is configured if
126 we find it in the souce tree.
128 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
130 * i386.c (i386_comp_type_attributes): Compare whether the
131 attributes are defined, not their tree nodes.
133 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
135 * configure.in (gxx_include_dir): bitten by autoconf quoting
139 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
141 * configure.in: Ignore non-absolute value in $AS.
143 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
145 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
147 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
149 * configure.in (msdosdjgpp): Set exeext and target_alias.
151 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
153 * flow.c (XNMALLOC): New macro.
154 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
156 (add_edge, add_edge_to_label): New static functions.
157 (free_bb_memory): New function.
158 (flow_delete_insn): Delete function.
159 (basic_block_drops_in): Delete variable.
160 (find_basic_blocks): Allocate and initialize basic_block_head,
161 basic_block_succ. Don't allocate basic_block_drops_in.
162 Call free_bb_memory at the beginning.
163 (find_basic_blocks_1): Don't do multiple passes.
164 Delete code to compute basic_block_drops_in.
165 After calling make_edges, mark blocks reached by current block live.
166 Update test for unreachable live blocks.
167 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
169 Simplify to call add_edge_to_label when a LABEL_REF is found.
170 (make_edges): Simplify to call add_edge_to_label instead of
171 mark_label_ref most of the time.
172 Compute here whether control drops into the next block.
173 (delete_unreachable_blocks): Return void. All callers changed.
174 Delete unreachable blocks in reverse order.
175 After deleting all unreachable blocks, renumber the remaining ones
176 and update n_basic_blocks.
177 (delete_block): Speed up deletion a bit.
178 Don't set basic_block_drops_in for deleted blocks.
179 (free_basic_block_vars): Don't free basic_block_drops_in.
180 (life_analysis_1): Update to use new edge representation.
181 (dump_flow_info): Delete code to print basic block info; call
182 dump_bb_data instead.
183 (compute_preds_succs): Delete code to recompute basic_block_drops_in
184 and uid_block_number.
185 Simply copy the previously computed cfg.
186 (dump_bb_data): New arg LIVE_INFO. All callers changed.
187 Print register lifetime information if LIVE_INFO is nonzero.
188 * basic-block.h (dump_bb_data): Adjust prototype.
189 * gcse.c (gcse_main): Update call to dump_bb_data.
190 * rtl.h (free_bb_memory): Declare.
191 * toplev.c (rest_of_compilation): Call free_bb_memory.
193 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
194 (update_eliminable_offsets): Don't compute it.
195 (set_initial_elim_offsets): Don't initialize it.
196 Break out some code into set_initial_label_offsets so the rest of
197 this function can be called from reload_as_needed.
198 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
199 ELIMINABLE_REGS isn't.
200 (set_initial_label_offsets): New function, broken out of
201 set_initial_elim_offsets.
202 (set_offsets_for_label): New function, broken out of set_label_offsets
203 and reload_as_needed.
204 (reload): Call the two new functions.
205 (reload_as_needed): Call set_initial_elim_offsets instead of
206 duplicating the code. Likewise for set_offsets_for_label.
208 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
209 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
210 any hard reg, reg_reloaded_dead contains valid data.
212 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
214 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
215 "stdcall" and "cdecl" attributes.
217 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
219 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
220 handle deleted no-op moves of hard registers.
221 * haifa-sched.c (update_flow_info): Likewise.
223 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
225 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
226 of the sequences to reload the HILO register which do not actually
229 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
231 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
233 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
235 * except.c (emit_eh_context): Make the EH context register stay alive
236 at -O0 so stupid.c doesn't get confused.
238 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
240 * emit-rtl.c (try_split): Do not try to split a BARRIER.
242 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
243 Jeffrey A Law (law@cygnus.com)
245 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
246 (zero_extendsidi2): Use # in output template and handle completely by
248 (zero_extend splitters): New define_splits.
249 (ashiftrt_32): New pattern.
251 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
253 * tree.c (append_random_chars): New fn.
254 (get_file_function_name_long): Use it.
256 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
258 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
259 (LIBCPP_OBJS): New. Add cppulp.o.
260 (cppmain, fix-header): Depend on and use libcpp.a.
261 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
262 of the individual object files.
263 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
266 * cccp.c (user_label_prefix): New.
267 (main): Set it off -f*leading-underscore.
268 (special_symbol): Use it.
269 * cpplib.c (special_symbol): Likewise.
270 (cpp_handle_option): Handle -f*leading-underscore.
271 * cppulp.c: New file.
273 * output.h (user_label_prefix): Declare it.
274 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
275 * toplev.c (f_options, main): Handle -f*leading-underscore.
277 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
278 referencing USER_LABEL_PREFIX directly.
279 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
280 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
281 * final.c (asm_fprintf): Use user_label_prefix instead.
282 * arm/thumb.c (thumb_print_operand): Likewise.
284 * gcc.c (default_compilers): Pass -f*leading-underscore on to
285 cpp wherever appropriate.
287 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
289 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
290 specific compiler switches.
292 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
294 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
297 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
300 structure which has exactly the members provided by EXTRA_SPECS.
301 Xmalloc() the real `extra_specs', and initialize it from this
302 intermediate structure.
304 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
306 * mips.h (EXTRA_SPECS): Likewise.
308 * sparc.h (EXTRA_SPECS): Likewise.
310 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
312 * function.c (purge_addressof_1): Instead of aborting when a
313 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
314 work just put the ADDRESSOF on stack. Otherwise remember all such
315 successfull replacements, so that exactly the same replacements
316 can be made on the REG_NOTEs. Remove the special case for CALL
318 (purge_addressof_replacements): New variable.
319 (purge_addressof): Clear it at end.
321 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
323 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
324 (lang_init): Call check_newline always.
325 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
326 cpp_start_read, set yy_cur and yy_lim to read from
327 parse_in.token_buffer, so that we'll see the first #line
329 * cpplib.c (cpp_start_read): finclude the main input file
330 before processing -include/-imacros. Process -imacros and
331 -include separately, and handle -include by stacking a
332 buffer for the file in question as if it'd been #included.
333 * toplev.c (documented_lang_options) Recognize -H when
336 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
338 * cpplib.c: Merge do_once into do_pragma. Break file handling
339 code out of do_include.
340 Move append_include_chain, deps_output,
341 file_cleanup, redundant_include_p, import_hash,
342 lookup_import, add_import, read_filename_string, read_name_map,
343 open_include_file, finclude, safe_read to cppfiles.c.
344 Move prototypes for deps_output, append_include_chain,
345 finclude to cpplib.h. Move definition of struct
346 file_name_list there also.
348 * cppfiles.c: New file. Contains all the above functions
349 broken out of cpplib.c; also hack_vms_include_specification
350 from cccp.c and find_include_file, a new function broken out of
353 * Makefile.in (cppmain): Depend on cppfiles.o.
354 (fix-header): Likewise.
355 (cppfiles.o): New target.
356 * configure.in (--enable-c-cpplib): Add cppfiles.o to
357 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
359 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
361 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
362 if pending_types is non-zero.
363 (dwarfout_finish): Verify pending_types is zero before finishing.
365 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
367 * expr.c (convert_move): Use shifts to perform the move if a
368 suitable extend pattern cannot be found. Code written by
369 Richard Henderson <rth@cygnus.com>.
371 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
373 * regclass.c (renumber, regno_allocated): New static variables, moved
374 out of allocate_reg_info.
375 (allocate_reg_info): Move these two variables outside the function.
376 Move code to free memory into new function free_reg_info.
377 (free_reg_info): New function, broken out of allocate_reg_info.
378 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
379 * rtl.h (allocate_reg_info): Don't declare.
380 (free_reg_info): Declare.
382 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
384 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
386 * toplev.c (compile_file): Temporarily revert last change.
388 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
390 * c-typeck.c (convert_for_assignment): Parenthesize.
392 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
394 * reload1.c (delete_output_reload): Avoid ambigous else.
396 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
398 * toplev.c (compile_file): Call allocate_reg_info to free register
400 * rtl.h (allocate_reg_info): Declare.
402 * PROJECTS: Remove entry for local spilling.
404 * final.c (cleanup_subreg_operands): New function.
405 (final_scan_insn): Use it.
406 (alter_subreg): Clear the "used" field when we turn a SUBREG into
408 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
409 operands when reload has finished.
410 * reload.h (cleanup_subreg_operands): Declare..
411 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
412 reload. Handled in reload itself.
414 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
416 * reload1.c (verify_initial_offsets): New function.
417 (reload): Call it after reload_as_needed. Also verify that the frame
418 size stays constant during reload_as_needed.
419 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
421 * reload.h (struct insn_chain): Add need_operand_change element.
422 * reload1.c (new_insn_chain): Clear it.
423 (calculate_needs_all_insns): Set it; don't overload need_reload.
424 (reload_as_needed): Use it.
426 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
427 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
428 and reload_address_index_reg_class.
429 (find_reloads_address_1): Likewise.
430 * reload.h (reload_address_base_reg_class,
431 reload_address_index_reg_class): Don't declare.
432 * reload1.c (reg_old_renumber, pseudo_previous_regs,
433 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
434 (used_spill_regs): Now static.
435 (reload_address_base_reg_class, reload_address_index_reg_class,
436 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
437 basic_block_needs, max_needs, group_size, group_mode, max_groups,
438 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
441 (init_reload): Delete code to compute base/index reg classes.
442 (reload): Delete variable J.
443 Delete code to manage basic_block_needs.
444 Don't compute regs_explicitly_used.
445 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
446 pseudo_previous_regs.
447 Initialize bad_spill_regs_global.
448 Don't call order_regs_for_reload here.
449 Don't initialize spill_reg_order and n_spills.
450 Don't forbid explicitly used regs to be used for spill regs.
451 Change main loop to infinite loop, with explicit break statements.
452 Make SOMETHING_CHANGED variable local to that loop.
453 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
454 max_groups_insn, max_nongroups_insn, group_size, group_mode.
455 Make sure spilled_speudos is cleared before calling spill_hard_reg or
457 Don't call dump_needs.
458 Delete code to reset potential_reload_regs.
459 Delete code to terminate loop conditional on the global needs variables
460 showing no further needs.
461 (calculate_needs_all_insns): Return void. All callers changed.
462 Initialize somehing_needs_elimination here, not in reload.
463 Delete avoid_return_reg kludge.
464 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
466 Initialize the group_mode and group_size elements of the arg CHAIN.
467 Delete code to manage basic_block_needs.
468 Operate on elements of CHAIN instead of global variables.
469 Delete avoid_return_reg kludge.
470 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
472 Operate on elements of CHAIN instead of global variables.
473 Delete special SMALL_REGISTER_CLASSES code.
474 Delete spill_failure code; now in new_spill_reg.
475 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
477 Operate on elements of CHAIN instead of global variables.
478 (maybe_mark_pseudo_spilled): New static function.
479 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
481 Operate on elements of CHAIN instead of global variables.
482 Call order_regs_for_reload here, not in reload.
483 Initialize spill_reg_order and n_spills.
484 Simplify test whether an asm insn is involved.
485 Delete spill_failure code; now in new_spill_reg.
486 Call maybe_mark_pseudo_spilled for everything marked as live in
487 CHAIN. Merge CHAIN's used_spill_regs into the global variable
489 (dump_needs): Take CHAIN arg. No longer static, to prevent the
490 compiler from optimizing this function (now unused) away.
491 Operate on elements of CHAIN instead of global variables.
492 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
494 Operate on elements of CHAIN instead of global variables.
495 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
496 take CHAIN arg. All callers changed.
497 Operate on elements of CHAIN instead of global variables.
498 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
499 CHAIN, NONGROUP args. Return void. All callers changed.
500 Verify caller isn't trying to spill a pseudo.
501 Simplify test for illegal reg, just use bad_spill_regs.
502 Generate better error messages.
503 Operate on elements of CHAIN instead of global variables.
504 Mark spilled register in CHAIN's used_spill_regs element.
505 Don't call spill_hard_reg.
506 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
507 Mark spilled hard regs in bad_spill_regs_global.
508 Mark affected pseudos in spilled_pseudos, but don't spill them.
509 (ior_hard_reg_set): New static function.
510 (finish_spills): Return int. All callers changed.
511 Compute spill_reg_order, n_spills and spill_regs here. Also update
512 regs_ever_live for regs used as spills.
513 For every pseudo in spilled_pseudos, spill it and mark the previous
514 hard reg it had in pseudo_previous_regs. Compute which hard regs
515 arseudo): New static function.
516 (order_regs_for_reload): Take CHAIN arg. All callers changed.
517 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
518 hard registers explicitly used across the current insn into the set.
519 Compute hard_reg_n_uses taking only pseudos live across this insn
521 Tweak sorting of potential_reload_regs.
522 (compare_spill_regs): Delete function.
523 (reload_as_needed): Don't sort the spill_regs array, it's computed
524 in proper order in finish_spills.
525 Delete avoid_return_reg kludge.
526 Delete code to manage basic_block_needs.
527 (allocate_reload_reg): Minor speed/readability tweaks.
528 Operate on elements of CHAIN instead of global variables.
529 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
530 Delete avoid_return_reg kludge.
531 Initialize reload_reg_used from CHAIN's used_spill_regs element.
532 Delete unused label FAIL.
533 (reload_combine): Replce reload_address_index_reg_class with
535 Don't use used_spill_regs to determine information about lifetime of
538 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
540 * toplev.c (display_help): Ignore empty target specific
541 options, and if -W is also specified on the command line then
542 display undocumented options.
544 * config/arm/arm.c: Updated with changes in devo sources.
545 * config/arm/arm.h: Updated with changes in devo sources.
546 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
547 * config/arm/lib1thumb.asm: Add ELF support.
549 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
551 * collect2.c (aix64_flag): New variable.
552 (main, case 'b'): Parse it.
553 (GCC_CHECK_HDR): object magic number must match mode.
554 (scan_prog_file): Only check for shared object if valid header.
555 Print debugging if header/mode mismatch.
557 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
559 Added support for arm-elf-linux configuration, submitted by Philip
560 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
561 code developed by Catherine Moore <clm@cygnus.com>. The following
564 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
567 * configure: Regenerated.
569 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
570 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
571 definitions conditional on their not having been already defined.
573 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
574 and .type directives, and add "(PLT)" qualification to function
577 * config/arm/linux.h: Deleted. This file is now superceeded by
578 either linux-elf.h or linux-aout.h.
580 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
581 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
583 Move definitions from old linux.h file here.
585 * config/arm/elf.h: New file. Generic ARM/ELF support.
587 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
589 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
591 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
592 using the 26bit APCS.
594 * config/arm/unknown-elf.h: New file. Support for OS'es other
597 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
600 * config/arm/coff.h: Include aout.h for basic assembler macros.
601 Add support for -mstructure_size_boundary=<n> command line option.
603 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
604 command line option. Make macro definitions conditional on their
605 not having been already defined.
607 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
611 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
613 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
614 has been changed to not include a newline. Use this macro instead.
615 (output_enumeral_list, const_value_attribute, name_attribute,
616 comp_dir_attribute, prototyped_attribute, producer_attribute,
617 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
618 dwarfout_file_scope_decl, generate_new_sfname_entry,
619 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
620 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
622 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
624 * combine.c (subst): Process the inputs to a parallel asm_operands
627 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
629 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
631 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
633 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
635 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
637 * version.c: Bump for snapshot.
639 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
641 * stmt.c (expand_fixup): Set fixup->before_jump to a
642 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
644 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
646 * Makefile.in (recog.o): Depend on toplev.h.
647 (insn-emit.o): Depend on recog.h.
648 (insn-peep.o): Depend on recog.h and insn-config.h.
650 * combine.c (simplify_set): Remove unused variable `scratches'.
652 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
653 and `idx' in macro conditional controlling their use.
655 * genemit.c (main): Make the generated output file include
656 recog.h. Don't have it declare `insn_operand_constraint', since
657 we get it from recog.h.
659 * genpeep.c (main): Make the generated output file include
660 insn-config.h and recog.h.
662 * recog.c: Include toplev.h.
663 (extract_insn): Remove unused variable `p'.
665 * regclass.c (fix_register): Add missing braces around initializer
667 (allocate_reg_info): Move variable `i' into the scope where it is
668 used. Change its type to `size_t'.
670 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
672 * reload.c (push_reload): When merging reloads, make sure
673 that reload_in_reg and reload_in are from the same reload in
676 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
678 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
679 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
681 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
683 * loop.c (loop_has_tablejump): New variable.
684 (prescan_loop): Scan for it.
685 (insert_bct): Replace explicit scan with use of it.
686 * regclass.c (regclass): Restore loop variable j.
687 (record_reg_classes): Deterine op_types modifiers and initialize
688 classes[i] before matching constraints. Handle matching
691 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
693 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
696 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
698 * mips.h (EXTRA_SPECS): Add missing initializers.
700 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
702 * sparc.h (EXTRA_SPECS): Add missing initializers.
703 (sparc_defer_case_vector): Provide a prototype.
705 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
706 comparing it to the result of a pointer subtraction.
708 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
710 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
711 the argument to (unsigned char).
713 * alpha.h (EXTRA_SPECS): Add missing initializers.
714 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
717 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
719 * flow.c (life_analysis_1): Enable "rescan" code after reload.
720 (propagate_block): Delete dead code after reload.
722 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
723 back Oct 15, 1998 change.
724 * haifa-sched.c (update_flow_info): Likewise.
725 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
727 * mn10200.md (truncated shift): Accept constant inputs too.
729 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
731 * machmode.h (mode_mask_array): No longer const.
732 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
734 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
736 * frame.c: Somewhat explain `FDE'.
737 Suggested by Brendan Kehoe
739 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
741 * expr.c (pending_chain): Move up.
742 (save_expr_status): Do save pending_chain.
743 (restore_expr_status): And restore it.
744 * function.h (struct function): Add pending_chain.
746 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
748 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
749 did not match the code.
751 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
753 * regclass.c (regclass): Break out some code into new function
754 scan_one_insn, and into regclass_init.
755 (init_cost): New static variable, moved out of regclass.
756 (regclass_init): Initialize it here, not in .
757 (scan_one_insn): New static function, broken out of regclass.
758 * recog.c (apply_change_group): Break out some code into new
759 function insn_invalid_p.
760 (insn_invalid_p): New static fn, broken out of apply_change_group.
762 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
764 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
765 reg_reloaded_contents matches incremented pseudo.
767 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
769 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
771 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
772 addressing modes with side effects. These are currently
773 placeholders for the C4x target.
775 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
777 * loop.c (express_from): Make sure that when generating a PLUS of
778 a PLUS, any constant expression appears on the outermost PLUS.
780 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
782 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
783 works if "$(srcdir)" != ".".
785 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
787 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
788 existing SUBREG if we can, otherwise abort.
790 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
792 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
793 `restrict' is applied to a non-pointer variable.
795 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
797 * invoke.texi: Document -flang-isoc9x.
799 * Makefile.in (OBJS): Add splay-tree.o.
800 (c-common.o): Depend on rtl.h.
801 (splay-tree.o): List dependencies and provide build rule.
803 * rtl.h (record_alias_subset): New function.
804 * alias.c: Include splay-tree.h.
805 (alias_set_entry): New type.
806 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
807 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
808 (mems_in_disjoin_alias_sets_p): New function.
809 (alias_set_compare): Likewise.
810 (insert_subset_children): Likewise.
811 (get_alias_set_entry): Likewise.
813 * tree.h (TYPE_RESTRICT): New macro.
814 (TYPE_UNQUALIFIED): New manifest constant.
815 (TYPE_QUAL_CONST): Likewise
816 (TYPE_QUAL_VOLATILE): Likewise.
817 (TYPE_QUAL_RESTRICT): Likewise.
818 (tree_type): Add restrict_flag. Reduce count of free bits.
819 (DECL_POINTER_ALIAS_SET): New macro.
820 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
821 (tree_decl): Add pointer_alias_set.
822 (build_qualified_type): New function.
823 (build_type_variant): Define in terms of build_qualified_type.
824 * tree.c (set_type_quals): New function.
825 (make_node): Initializae DECL_POINTER_ALIAS_SET.
826 (build_type_attribute_variant): Use build_qualified_type and
828 (build_type_variant): Rename, and modify, to become...
829 (build_qualified_type): New function.
830 (build_complex_type): Use set_type_quals.
832 * c-tree.h (C_TYPE_OBJECT_P): New macro.
833 (C_TYPE_FUNCTION_P): Likewise.
834 (C_TYPE_INCOMPLETE_P): Likewise.
835 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
836 (c_apply_type_quals_to_decl): New function.
837 (c_build_qualified_type): New function.
838 (c_build_type_variant): Define in terms of c_build_qualified_type.
839 (flag_isoc9x): Declare.
840 * c-typeck.c (qualify_type): Use c_build_qualified_type.
841 (common_type): Change to use TYPE_QUALS.
842 (comptypes): Likewise.
843 (convert_for_assignment): Likewise.
844 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
845 * c-decl.c (flag_isoc9x): Define.
846 (c_decode_option): Handle -flang-isoc9x.
847 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
848 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
849 * c-lex.c (init_lex): Deal with restrict.
850 (init_lex): Don't treat restrict as a reserved word in
851 -traditional mode, or without -flang-isoc9x.
852 * c-lex.h (rid): Add RID_RESTRICT.
853 * c-parse.gperf (restrict, __restrict, __restrict__): Make
854 equivalent to RID_RESTRICT.
855 * c-parse.in (TYPE_QUAL): Update comment.
856 * c-common.c: Include rtl.h.
857 (c_find_base_decl): New function.
858 (c_build_type_variant): Rename, and modify, to become ...
859 (c_build_qualified_type): New function.
860 (c_apply_type_quals_to_decl): Likewise.
861 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
862 a particular alias set for the reference.
863 * toplev.c (documented_lang_options): Add -flang-isoc9x.
865 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
867 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
868 command line switches.
870 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
872 * reload.c (loc_mentioned_in_p): Add missing braces to bind
875 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
877 * gcc.c (option_map): Added --classpath and --CLASSPATH.
879 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
881 * regclass.c (fix_register): Add error message.
882 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
885 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
887 * c-decl.c (warn_missing_noreturn): New global variable.
888 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
889 (finish_function): Implement missing noreturn warning.
891 * c-tree.h (warn_missing_noreturn): Declare extern.
893 * invoke.texi: Document new flags.
895 * toplev.c (documented_lang_options): Add description.
897 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
899 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
900 loop optimization stable for the C4x.
901 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
902 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
903 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
905 (c4x_address_conflict): Be more paranoid when packing a volatile
906 memref in a parallel load/store.
908 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
910 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
911 repeat_block_filler): Deleted.
912 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
913 Condition code not set if destination register from 'c' class.
914 (*subbqi3_carry_clobber): Fix typo.
916 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
918 * reorg.c (steal_delay_list_from_target) Check for insns that
919 modify the condition codes and effect the direction of the jump
922 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
924 * function.c (purge_addressof_1): Replace call to
925 emit_insns_before() with emit_insn_before().
927 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
929 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
931 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
933 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
935 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
937 * gcse.c (compute_hash_table): Correctly identify hard regs which are
938 clobbered across calls.
940 * loop.c (scan_loop): Be more selective about what invariants are
943 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
945 * version.c: Bump for snapshot.
947 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
949 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
950 static eh_context structure.
952 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
954 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
956 (try_combine): Don't update max_scratch.
957 * flow.c (max_scratch, num_scratch): Delete variables.
958 (life_analysis_1): Don't initialize max_scratch.
959 (propagate_block): Don't update max_scratch.
960 (mark_set_1): Don't increment num_scratch.
961 * regs.h (max_scratch): Delete declaration.
963 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
965 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
966 is nonzero. This is temporary!
968 * sched.c (update_flow_info): Handle death notes made invalid by
969 instruction splitting. Partially reverts Oct 15, 1998 patch.
970 * haifa-sched.c (update_flow_info): Likewise.
972 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
974 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
975 if it has a nonzero DECL_INITIAL.
977 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
979 * Makefile.in (flow.o): Depend on recog.h.
981 * cpplib.h (directive_table): Add missing initializiers.
982 (finclude): Change type of variable `bsize' to size_t.
984 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
986 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
988 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
989 `int' when comparing against one.
990 (cpp_file_line_for_message): Mark parameter `pfile' with
992 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
994 * flow.c: Include recog.h.
995 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
997 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
998 `f' with ATTRIBUTE_UNUSED.
999 (reposition_prologue_and_epilogue_notes): Likewise.
1001 * genopinit.c (gen_insn): Cast argument of ctype functions to
1004 * haifa-sched.c: Include recog.h.
1005 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1006 comparing against one.
1008 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1010 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1012 (parse_ent): Likewise.
1013 (parse_input): Likewise.
1015 * optabs.c (init_libfuncs): Likewise.
1017 * protoize.c (find_rightmost_formals_list): Likewise.
1019 * recog.h (const_double_operand): Fix typo in prototype.
1021 * tlink.c (scan_linker_output): Cast the argument of ctype
1022 function to `unsigned char'.
1024 * toplev.c (check_lang_option): Cast the result of `strlen' to
1025 `int' when comparing against one.
1027 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1029 * gcse.c (dump_cuid_table): Correct typo.
1031 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1033 * toplev.c (display_help): Prepend '-m' to target specific
1035 (check_lang_option): Ignore text after end of first word of a
1036 language specific option.
1038 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1040 * reload1.c (reg_used_by_pseudo): New static variable.
1041 (choose_reload_regs): Initialize it.
1042 Use it instead of testing spill_reg_order to determine whether a
1043 pseudo is live in a hard register across the current insn.
1044 Fix a typo in a reference to reload_reg_rtx.
1046 * flow.c (propagate_block): Replace code that computes and uses
1047 regs_sometimes_live with simpler code that just walks the set of
1048 currently live registers.
1050 * Makefile.in (insn-extract.o): Fix dependencies.
1051 * genextract.c (main): Generate includes for insn-config.h and
1053 Delete generation of declarations which are now in recog.h.
1054 * genrecog.c (main): Delete generation of definitions which are
1056 * local-alloc.c (block_alloc): Use extract_insn and the variables
1057 it sets up instead of looking up values by insn_code.
1058 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1059 recog_dup_num): Define here instead of generating the definition in
1061 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1062 recog_operand_mode, recog_constraints, recog_operand_address_p):
1064 (extract_insn): New function.
1065 * recog.h (extract_insn): Declare function.
1066 (which_alternative, recog_n_operands, recog_n_dups,
1067 recog_n_alternatives, recog_operand_mode, recog_constraints,
1068 recog_operand_address_p): Declare variables.
1069 * regclass.c (n_occurrences): New static function.
1070 * reload.c (n_occurrences): Delete function.
1071 (find_reloads): Use extract_insn.
1072 * reload.h (n_occurrences): Delete declaration.
1074 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1076 * reload1.c (reload_as_needed): Fix test for when to call
1077 update_eliminable_offsets.
1079 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1081 Fix consistency problems with reg_equiv_{mem,address};
1082 Improve reload inheritance;
1084 * reload.c (reload_out_reg): New variable.
1085 (loc_mentioned_in_p, remove_address_replacements): New functions.
1086 (remove_replacements): Deleted.
1087 (push_reload): Set reload_out_reg[i].
1088 When merging, also set reload_{in,out}_reg[i], and remove
1089 duplicate address reloads.
1090 (combine_reloads): Copy reload_out_reg[i].
1091 (find_reloads): Do make_memloc substitution also when
1092 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1094 Include *recog_operand_loc in commutativity operand changes.
1095 Generate optional output reloads.
1096 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1097 processing operands. Call make_memloc in reg_equiv_address code.
1098 Set *recog_operand_loc only after processing operands, and only
1099 if replace is true. Return a value.
1100 When changing address reload types for operands that didn't get
1101 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1102 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1103 Don't emit USEs for pseudo SUBREGs when not replacing.
1104 (find_reloads_address): Do make_memloc substitution also when
1105 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1107 (find_reloads_toplev): Likewise.
1108 Call make_memloc in reg_equiv_address code.
1109 (debug_reload_to_stream): Add code to output reload_out_reg.
1110 (make_memloc): Delete local variable i, ifdefed out code, and
1111 references to memlocs and n_memlocs.
1112 (memlocs, n_memlocs): Delete.
1113 (push_secondary_reload): Clear reload_out_reg.
1114 (find_reloads_address_1): Provide memrefloc argument to all calls
1115 to find_reloads_address.
1116 In AUTO_INC code, handle non-directly addressable equivalences properly.
1117 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1118 (find_reloads): Add return type.
1119 (remove_address_replacements, deallocate_reload_reg): Declare.
1120 * reload1.c (num_not_at_initial_offset): No longer static.
1121 (delete_address_reloads, delete_address_reloads_1): Likewise.
1122 (deallocate_reload_reg): New function.
1123 (spill_reg_stored_to): New array.
1124 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1125 (eliminate_regs_in_insn): Move assignments of previous_offset and
1126 max_offset fields, and recalculation of num_not_at_initial_offset
1127 into new static function:
1128 (update_eliminable_offsets) .
1129 (reload_as_needed): Call update_eliminable_offsetss after calling
1131 Call forget_old_reloads_1 with contents of reloaded auto_inc
1132 expressions if the actual addressing can't be changed to match the
1134 (choose_reload_regs): For inheritance, replace
1135 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1136 remove stand-alone reload_reg_used_at_all test.
1137 Use reload_out_reg to determine which reload regs have output reloads.
1138 Treat reload_override_in more similar to inherited reloads.
1139 Handle (subreg (reg... for inheritance.
1140 For flag_expensive_optimizations, add an extra pass to remove
1141 unnecessary reloads from known working inheritance.
1142 Delete obsolete code for pseudos replaced with MEMs.
1143 Handle inheritance from auto_inc expressions.
1144 (emit_reload_insns): If reload_in is a MEM, set OLD to
1146 Don't reload directly from oldequiv; if it's a pseudo with a
1147 stack slot, use reload_in[j].
1148 Check that reload_in_reg[j] is a MEM before replacing reload_in
1149 from reg_reloaded_contents.
1150 Include non-spill registers in reload inheritance processing.
1151 Also try to use reload_out_reg to set spill_reg_store /
1152 reg_last_reload_reg.
1153 In code to set new_spill_reg_store, use single_set to find out if
1154 there is a single set.
1155 Add code that allows to delete optional output reloads.
1156 Add code to allow deletion of output reloads that use no spill reg.
1157 At the end, set reload_override_in to oldequiv.
1158 Also call delete_output_reload if reload_out_reg is equal to old
1160 Add code to call delete_output_reload for stores with no matching load.
1161 Set / use spill_reg_stored_to.
1162 Handle case where secondary output reload uses a temporary, but
1163 actual store isn't found.
1164 When looking for a store of a value not loaded in order to call
1165 delete_output_reload, count_occurences should return 0 for no
1166 loads; but discount inherited input reloadill_reg_stored_to.
1167 Do checks for extra uses of REG. Changed all
1169 Use delete_address_reloads.
1170 (reload): Take return value of find_reloads into account.
1171 If a no-op set needs more than one reload, delete it.
1172 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1173 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1174 for the same operand.
1175 (clear_reload_reg_in_use): Check for other reloads that keep a
1177 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1178 RELOAD_FOR_OPADDR_ADDR.
1179 Take into account when an address address reload is only needed
1180 for the address reload we are considering.
1181 (count_occurrences): Use rtx_equal_p for MEMs.
1182 (inc_for_reload): Return instruction that stores into RELOADREG.
1183 New argument two, IN, and rtx. Changed all callers.
1184 (calculate_needs_all_insns, reload_as_needed):
1185 Don't clear after_call for a CLOBBER.
1186 Keep track of how many hard registers need to be copied from
1187 after_call, and don't clear after_call before we have seen
1188 that much copies, or we see a different instruction.
1190 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1192 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1193 after reload has completed.
1195 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1197 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1198 a macro name and the next token with a single blank if that whitespace
1199 is in a macro buffer and the next token is not '('.
1201 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1203 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1205 (skip_if_group): Ditto.
1206 (skip_to_end_of_comment): Ditto.
1208 (discard_comments): Ditto.
1209 (change_newlines): Ditto.
1211 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1213 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1215 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1217 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1218 (TARGET_OPTIONS): Add --help documentation.
1220 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1222 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1224 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1226 * fixinc/* Moved in from ../contrib directory in preparation
1227 for integrating it into the normal build process. In particular,
1228 fixinc/Makefile.in must be config-ed into the build directory
1229 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1230 ./configure.in will be "in the mail" momentarily.
1232 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1234 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1235 accidently walk into the free list. Comment how that can happen.
1236 (invalidate): Fix indentation.
1238 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1239 Jeffrey A Law (law@cygnus.com)
1241 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1242 reload. Never perform rescans of the insn chain after reload.
1243 (propagate_block): Do not delete insn or create new autoinc addressing
1246 * jump.c (jump_optimize): Unconditionally use the code that was
1247 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1248 * reload1.c (reload): When reloading is finished, delete all
1249 REG_DEAD and REG_UNUSED notes.
1250 (emit_reload_insns): Delete all code that was conditional on
1251 PRESERVE_DEATH_INFO_REGNO_P.
1252 (no_longer_dead_regs): Delete variable.
1253 (reload_cse_delete_death_notes): Delete function.
1254 (reload_cse_no_longer_dead): Delete function.
1255 (reload_cse_regs_1): Delete all code to handle deletion of death
1257 (reload_cse_noop_set_p): Likewise.
1258 (reload_cse_simplify_set): Likewise.
1259 (reload_cse_simplify_operands): Likewise.
1260 (reload_cse_move2add): Likewise.
1261 * reorg.c (used_spill_regs): Delete declaration.
1262 (max_label_num_after_reload): Delete declaration.
1263 (find_dead_or_set_registers): Don't assume that spill regs are
1264 dead at a CODE_LABEL.
1265 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1267 * sched.c (sched_analyze_insn): Likewise.
1268 (update_flow_info): Likewise.
1269 * haifa-sched.c (sched_analyze_insn): Likewise.
1270 (update_flow_info): Likewise.
1271 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1272 * toplev.c (max_label_num_after_reload): Delete variable.
1273 (rest_of_compilation): Don't set max_label_num_after_reload.
1274 Call life_analysis after reload_cse_regs if optimizing.
1275 * config/gmicro/gmicro.h: Delete comment referring to
1276 PRESERVE_DEATH_INFO_REGNO_P.
1277 * config/i386/i386.h: Likewise.
1278 * config/m88k/m88k.h: Likewise.
1279 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1280 * config/sh/sh.h: Likewise.
1282 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1284 * loop.c (strength_reduce): Restore marking bct_p as
1286 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1287 HAVE_decrement_and_branch_on_count.
1288 (small_data_operand): Remove TARGET_ELF condition for marking
1289 parameters ATTRIBUTE_UNUSED.
1291 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1293 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1294 (SELECT_SECTION): Resync with svr4.h.
1296 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1298 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1301 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1303 * c-pragma.c (handle_pragma_token): Test for null tree before
1304 dereferencing TREE_CODE.
1306 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1308 * config/c4x/c4x.c: Convert to use GEN_INT.
1309 (c4x_parallel_process): Rework to handle new repeat loop structure.
1311 * config/c4x/c4x.md: Convert to use GEN_INT.
1312 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1313 (decrement_and_branch_on_count): Likewise.
1315 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1316 loop.c has the desired functionality.
1317 (rc_reg_operand): New prototype.
1319 * config/c4x/t-c4x: Can now build all front ends.
1321 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1323 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1325 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1327 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1328 * config/t-rtems: Do not install assert.h -- use newlib's.
1330 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1332 * combine.c (combine_instructions): When finished, call init_recog.
1333 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1335 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1337 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1339 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1341 * cppalloc.c (memory_full): Mark function prototype with
1344 * demangle.h (collect_exit): Likewise.
1346 * fix-header.c (v_fatal, fatal): Likewise.
1348 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1351 * gcov.c (print_usage): Likewise.
1353 * genattr.c (fatal, fancy_abort): Likewise.
1355 * genattrtab.c (fatal, fancy_abort): Likewise.
1357 * gencodes.c (fatal, fancy_abort): Likewise.
1359 * genconfig.c (fatal, fancy_abort): Likewise.
1361 * genemit.c (fatal, fancy_abort): Likewise.
1363 * genextract.c (fatal, fancy_abort): Likewise.
1365 * genflags.c (fatal, fancy_abort): Likewise.
1367 * genopinit.c (fatal, fancy_abort): Likewise.
1369 * genoutput.c (fatal, fancy_abort): Likewise.
1371 * genpeep.c (fatal, fancy_abort): Likewise.
1373 * genrecog.c (fatal, fancy_abort): Likewise.
1375 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1376 __sjpopnthrow, __throw): Likewise.
1378 * objc/objc-act.c (objc_fatal): Likewise.
1380 * protoize.c (usage, aux_info_corrupted,
1381 declare_source_confusing): Likewise.
1383 * rtl.c (dump_and_abort): Likewise.
1385 * rtl.h (sets_cc0_p): Likewise.
1387 * toplev.c (float_signal, pipe_closed): Likewise.
1389 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1391 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1392 when generating the decision tree for the general case.
1394 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1395 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1397 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1399 * Makefile.in (sched.o): Depend on recog.h.
1401 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1402 (unsigned) when comparing against one.
1403 (find_base_value): Likewise.
1404 (record_base_value): Cast variable `regno' to (unsigned) when
1405 comparing against one. Cast the result of REGNO() macro to
1406 (unsigned) when comparing against one.
1407 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1409 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1410 variable where an unsigned index is needed.
1412 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1413 before comparing against one.
1415 * collect2.c: Add prototypes for functions `error', `fatal' and
1416 `fatal_perror'. Make these functions take variable arguments
1417 instead of faking it with a fixed number of args.
1418 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1421 * combine.c (can_combine_p): Mark parameter `pred' with
1423 (find_split_point): Cast variable `src' to (unsigned
1424 HOST_WIDE_INT) when comparing against one.
1425 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1426 (simplify_logical): Likewise.
1427 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1428 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1429 HOST_WIDE_INT) in shift.
1430 (simplify_and_const_int): Cast result of INTVAL() macro to
1431 `unsigned HOST_WIDE_INT' when comparing against one.
1432 (merge_outer_ops): Cast variable const0 to `unsigned
1433 HOST_WIDE_INT' when comparing against the result of
1434 GET_MODE_MASK() macro.
1435 (simplify_comparison): Likewise for variable `c0'. Cast variable
1436 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1437 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1438 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1439 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1440 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1441 comparing against one.
1442 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1444 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1445 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1446 (output_block_move): Cast `sizeof' expression to (int) when
1447 comparing against one.
1448 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1450 (save_restore_insns): Cast `base_offset' to `long' to match format
1451 specifier in fprintf.
1453 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1454 to `enum machine_mode'.
1456 * flow.c (life_analysis_1): Remove unused variable `insn'.
1458 * gcc.c (translate_options): Move variables `j' and `k' into the
1459 scope in which they are used. Change their types to `size_t'.
1460 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1461 (read_specs): Likewise.
1462 (process_command): Cast `sizeof' to (int) when comparing against one.
1463 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1464 (handle_braces): Cast both sides of `==' expression to `long' to
1465 ensure sign matching.
1466 (main): Cast variable `i' to `int' when comparing against one.
1468 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1469 int to size_t. Cast variable `i' to size_t when comparing against
1472 * genattrtab.c (convert_set_attr_alternative): Remove unused
1473 parameter `insn_code'. All callers changed.
1474 (convert_set_attr): Likewise.
1476 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1477 size_t when comparing against one. Likewise for variable `len'.
1479 * global.c (global_alloc): Cast variable `max_regno' to size_t
1480 when comparing against one. Likewise for variable `max_allocno'.
1482 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1484 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1485 `set' with ATTRIBUTE_UNUSED.
1486 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1489 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1490 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1491 (get_condition): Cast variable `const_val' to `unsigned
1492 HOST_WIDE_INT' when comparing against one. Cast unsigned
1493 expression to HOST_WIDE_INT when comparing against one.
1494 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1495 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1496 `unsigned' when comparing against one.
1498 * protoize.c (is_id_char): Change type of parameter `ch' to
1500 (munge_compile_params): Cast argument of ctype macro to (const
1502 (process_aux_info_file): Cast variable `aux_info_size' to int when
1503 comparing against one.
1504 (forward_to_next_token_char): Cast argument of ctype macro to
1505 `const unsigned char'.
1506 (edit_formals_lists): Likewise.
1507 (find_rightmost_formals_list): Likewise.
1508 (add_local_decl): Likewise.
1509 (add_global_decls): Likewise.
1510 (edit_fn_definition): Likewise.
1511 (do_cleaning): Likewise.
1512 (scan_for_missed_items): Likewise.
1513 (edit_file): Cast variable `orig_size' to (int) when comparing
1515 (main): Cast argument of ctype macro to `const unsigned char'.
1517 * recog.c (const_int_operand): Mark parameter `mode' with
1520 * regclass.c (record_reg_classes): Change type of variable `c' to
1521 `unsigned char'. Cast `char' array index to `unsigned char'.
1523 * reload.c (push_secondary_reload): Cast argument to
1524 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1526 * reload1.c (calculate_needs): Cast `char' array index to
1528 (set_label_offsets): Change type of variable `i' to unsigned int.
1529 Cast result of XVECLEN() macro to unsigned when comparing against
1531 (mark_not_eliminable): Change type of variable `i' to unsigned.
1532 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1533 when comparing against one.
1534 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1535 comparing against one.
1536 (choose_reload_regs): Hide unused label `fail'.
1537 (reload_cse_simplify_operands): Cast `char' array index to
1539 (reload_combine_note_store): Mark parameter `set' with
1540 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1542 (reload_cse_move2add): Remove unused variable `src2'.
1544 * sched.c: Include recog.h.
1545 (sched_note_set): Remove unused parameter `b'. All callers
1547 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1548 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1549 when comparing against one.
1551 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1552 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1553 comparing against one.
1555 * unroll.c (precondition_loop_p): Remove unused parameter
1556 `loop_end'. All callers changed.
1558 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1560 * reload1.c (maybe_fix_stack_asms): New static function.
1563 * reload.h (compute_use_by_pseudos): Declare.
1565 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1566 (something_needs_reloads): Delete variable.
1567 (finish_spills): New function.
1568 (compute_use_by_pseudos): New function.
1570 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1571 Use the reload_insn_chain instead of walking the rtl directly.
1573 (reload): Allocate and free spilled_pseudos.
1574 Ensure that all calls of spill_hard_reg are followed by a call to
1576 Use the insns_need_reload list instead of something_needs_reloads
1577 to find out if reload_as_needed must be called.
1578 Clear unused_insn_chains at the end.
1580 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1582 Delete code to keep track of current basic block.
1583 Walk reload_insn_chain instead of the rtl structure. Build the
1584 insns_need_reload chain.
1585 Remember which insns need reloading/elimination by setting the
1586 appropriate fields in struct insn_chain, not by putting modes on the
1589 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1590 arg INSN. All callers changed.
1591 Delete declaration of struct needs.
1592 Don't set something_needs_reloads.
1593 Record insn needs in the CHAIN argument.
1595 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1597 (reload_as_needed): Lose FIRST arg. All callers changed.
1598 Walk the reload_insn_chain instead of the rtx structure.
1599 Delete code to keep track of current basic block.
1600 Rename one of the NEXT variables to OLD_NEXT.
1602 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1604 (choose_reload_regs): Likewise.
1606 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1609 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1610 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1611 (hard_regs_live, hard_regs_need_restore): Delete variables.
1612 (n_regs_saved): Now static.
1613 (referenced_regs, this_insn_sets): New variables.
1615 (setup_save_areas): Restructure the code a bit.
1617 (restore_referenced_regs): Delete function.
1618 (mark_referenced_regs): New function, similar to the old
1619 restore_referenced_regs, but mark registers in referenced_regs.
1621 (clear_reg_live): Delete function.
1622 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1623 Only mark registers in this_insn_sets.
1625 (save_call_clobbered_regs): Rework this function to walk the
1626 reload_insn_chain instead of using the list of instructions directly.
1627 Delete code to keep track of register lives, compute live regs on the
1628 fly from information in the chain.
1629 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1630 then walk the set it computes and call insert_restore as appropriate.
1632 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1634 Restructure the code a bit. Test hard_regs_saved instead of
1635 hard_regs_need_restore.
1636 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1637 args. All callers changed.
1638 Restructure the code a bit. Use TO_SAVE to determine which regs to
1639 save instead of more complicated test.
1640 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1642 Create a new insn_chain structure for the new insn and place it
1645 * rtl.texi: Update documentation to reflect that reload no longer
1646 puts modes on the insns.
1648 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1650 * function.c (purge_addressof_1): Force the first argument of a
1651 CALL insn to memory.
1653 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1655 * rtl.h: Delete duplicate prototypes. Add some missing
1657 * rtlanal.c: (for_each_rtx): Formatting tweak.
1659 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1661 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1662 to be compatible with TI compiler.
1664 * Makefile.in (USER_H): Add va-c4x.h to definition.
1666 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1668 * function.c (purge_addressof_1): Fix typo in inequality: do
1669 bitfield optimization for equal mode sizes.
1670 * expmed.c (store_bit_field): Don't take subregs of subregs in
1671 the movstrict case. Tidy a potential problem in the multi-word case.
1672 (extract_bit_field): Likewise.
1674 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1676 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1678 Compute max_uid_for_flow by calling get_max_uid after the scan.
1679 (find_basic_blocks_1): Don't emit NOPs here.
1681 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1683 * alias.c (base_alias_check): Accept new args for the modes of the
1684 two references. Use them to determine if an AND can overlap. Update
1686 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1687 to determine if an AND can overlap.
1689 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1691 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1692 check. Add comment to document problems with TARGET_SUN_FPA version
1694 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1696 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1698 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1700 * c-common.c (print_char_table): Add missing initializers.
1701 (scan_char_table): Likewise.
1702 (time_char_table): Likewise.
1704 * c-decl.c (c_decode_option): Mark parameter `argc' with
1706 (declare_parm_level): Mark parameter `definition_flag' with
1709 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1710 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1713 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1715 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1717 (expand_call): Cast result of MIN() to (unsigned int) when
1718 comparing against an unsigned value.
1720 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1722 (make_definition): Remove unused parameter `op'. All callers
1724 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1725 comparing against the result of pointer arithmetic.
1727 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1728 when comparing against one.
1730 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1731 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1733 (output_die): Move variable `i' into the scope in which it is
1734 used. Change its type to `unsigned'.
1735 (output_die): Cast the result of `strlen' to (int) when passing it
1736 to ASM_OUTPUT_ASCII().
1737 (output_pubnames): Likewise.
1738 (output_line_info): Likewise.
1740 * emit-rtl.c (global_rtl): Add missing initializers.
1742 * explow.c (promote_mode): Mark parameter `for_call' with
1745 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1746 `unsigned HOST_WIDE_INT' when comparing against one.
1747 (synth_mult): Change type of variable `cost' to int.
1748 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1750 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1751 when comparing against one.
1752 (get_inner_reference): Change variable `alignment' to unsigned.
1753 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1754 int) when comparing against one.
1755 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1757 * fold-const.c (div_and_round_double): Cast BASE to
1758 (HOST_WIDE_INT) when comparing against one.
1760 * gencheck.c: Include gansidecl.h.
1761 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1763 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1764 `tcode' with ATTRIBUTE_UNUSED.
1766 * real.c (edivm): Cast constant value to (unsigned long) in
1767 expression compared against an unsigned value.
1769 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1770 comparing against one.
1771 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1772 when comparing against one.
1774 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1775 (unsigned int) when comparing against one. Likewise for
1777 (smallest_mode_for_size): Likewise.
1778 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1779 (restore_storage_status): Likewise.
1781 * toplev.c (debug_args): Add missing initializer.
1782 (f_options): Spelling correction. Add missing initializers.
1783 (documented_lang_options): Likewise.
1784 (debug_end_source_file): Mark parameter `lineno' with
1787 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1788 `decl' and `type' with ATTRIBUTE_UNUSED.
1790 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1791 when comparing against one.
1792 (assemble_variable): Mark parameter `top_level' with
1794 (assemble_external_libcall): Mark parameter `fun' with
1796 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1799 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1801 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1802 Replace use of r5 with use of r19.
1804 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1806 * config/v850/v850.c (compute_register_save_size): Allow for the
1807 fact that helper functions save all registers, not just those used
1810 Replace constant 31 with macro LINK_POINTER_REGNUM.
1812 * config/v850/v850.md: Use 'indirect_operand' rather than
1813 'memory_operand' for bit test/set/clear patterns.
1815 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1817 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1818 * varasm.c (assemble_start_function et al): Don't call
1819 ASM_GLOBALIZE_LABEL for weak symbols.
1821 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1823 * cse.c (equiv_constant): Check for NULL return from
1824 gen_lowpart_if_possible().
1826 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1828 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1830 * collect2.c (main): Pass -EL/-EB through to the compiler.
1832 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1834 * expr.c (push_block): Handle targets where the stack grows
1835 to higher addresses, but args grow to lower addresses and
1836 ACCUMULATE_OUTGOING_ARGS is not defined.
1838 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1840 * config/v850/v850.c (print_operand): Extend meaning
1841 of 'c' operands to support .vtinherit.
1843 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1845 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1846 Added ATTRIBUTE_UNUSED to unused function arguments.
1847 (rc_reg_operand): New predicate.
1848 (c4x_rptb_insert): New function.
1849 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1850 (c4x_optimization_options): New function.
1852 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1853 (decrement_and_branch_on_count): New pattern.
1854 (rptb_top): Modified pattern to work with BCT optimization.
1856 * config/c4x/c4x.h (RC_REG): New register class.
1857 (rc_reg_operand): Define prototype.
1858 (IS_RC_REG): New macro.
1859 (IS_RC_OR_PSEUDO_REG): New macro.
1860 (IS_RC_OR_PSEUDO_REGNO): New macro.
1861 (OPTIMIZATION_OPTIONS): Define.
1863 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1865 * collect2.c (extract_init_priority): No priority is 65535.
1867 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1869 * Makefile.in (build_tooldir): new variable, same as old
1870 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1871 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1872 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1874 * configure.in (gxx_include_dir): set default based on unlibsubdir
1875 * Makefile.in (tooldir): ditto
1876 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1877 gxx_include_dir, includedir and tooldir
1878 (protoize.o, unprotoize.o): ditto
1880 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1882 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1884 * config/arm/thumb.c (thumb_override_options): Add warning about
1885 PIC code not being supported just yet.
1887 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1889 * flow.c: Update comment.
1890 (notice_stack_pointer_modification): New static function.
1891 (record_volatile_insns): Use it.
1892 (mark_regs_live_at_end): Mark the stack pointer as alive
1893 at the end of the function if current_function_sp_is_unchanging
1895 (life_analysis_1): Set current_function_sp_is_unchanging.
1896 * function.c: Define it.
1897 (init_function_start): Initialize it.
1898 * output.h: Declare it.
1899 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1900 the stack pointer as alive at the end of the function if
1901 current_function_sp_is_unchanging is set.
1902 * i386.c (ix86_epilogue): Optimize the restoring
1903 of the stack pointer.
1905 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1907 * version.c: Bump for snapshot.
1909 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1911 * c-pragma.c (handle_pragma_token): If passed a token instead
1912 of a tree, use that as the pack value.
1914 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1916 * flow.c (find_basic_blocks_1): Fix prototype.
1918 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1920 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1921 (struct tree_decl): New fields no_check_memory_usage.
1922 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1923 (init_attributes): Register it as a new attribute.
1924 (decl_attributes): Set flags on functions given that attribute.
1925 * c-decl.c (duplicate_decls): Merge new attribute.
1926 * expr.h (current_function_check_memory_usage): Declare new var.
1927 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1928 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1929 current_function_check_memory_usage.
1930 * function.h: Add field to struct function.
1931 * function.c (current_function_check_memory_usage): Define it.
1932 (push_function_context_to, pop_function_context_from): Save and
1934 (expand_function_start): Set it, based on global flag and function
1937 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1938 check non-automatic variables, to permit detection of writes to
1939 read-only locations in embedded systems without memory management.
1940 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1941 when emitting chkr_set_right_libfunc call, even if the argument is
1942 BLKmode or variable-sized; don't abort.
1944 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1945 symbols in Pmode, not VOIDmode.
1947 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1949 * cppexp.c: When forcing unsigned comparisons, cast both sides
1952 * cpphash.h: Move static declaration of hashtab[]...
1953 * cpphash.c: ...here.
1955 * cpplib.c: Cast difference of two pointers to size_t before
1956 comparing it to size_t. Cast signed to unsigned
1957 before comparing to size_t. (FIXME: struct argdata should use
1958 unsigned buffer sizes.)
1959 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1960 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1961 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1962 size_t before comparison.
1964 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1966 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1967 (find_basic_blocks_1): Similarly.
1968 * output.h (find_basic_blocks): Fix prototype.
1969 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1970 find_basic_blocks anymore.
1972 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1974 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1975 (sbitmap_free, sbitmap_vector_free): New macros.
1976 * output.h (rtl_dump_file): Declare.
1978 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1980 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1982 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1984 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1986 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1987 (divide): Remove unused variable `tmp'.
1988 (si_to_float): Cast numeric constant to (SItype) before comparing
1991 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1993 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1994 * gcc.c (add_preprocessor_option): Correct typo when allocating
1995 memory, sizeof() argument had one too many `*'.
1996 (add_assembler_option): Likewise.
1997 (add_linker_option): Likewise.
1998 * gcov.c (output_data): Likewise.
1999 * local-alloc.c (memref_used_between_p): Likewise.
2000 (update_equiv_regs): Likewise.
2001 * loop.c (strength_reduce): Likewise.
2002 * reg-stack.c (record_asm_reg_life): Likewise.
2003 (subst_asm_stack_reg): Likewise.
2004 * reorg.c (dbr_schedule): Likewise.
2006 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2008 * flow.c (life_analysis_1): Break out some functions.
2009 (find_basic_blocks_1): Likewise. Also move some variables out and
2011 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2012 new static var nonlocal_label_list with it.
2013 (active_eh_region, nested_eh_region, label_value_list,
2014 nonlocal_label_list): New static variables.
2015 (make_edges, delete_unreachable_blocks, delete_block): New static
2016 functions, broken out of find_basic_blocks_1.
2017 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2018 noop_move_p): New static functions, broken out of life_analysis_1.
2020 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2022 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2023 Take extra care for op0 now possibly being a subreg.
2024 (extract_bit_field): Likewise.
2025 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2026 the reg to memory if there is no equal sized integral mode.
2027 * stor-layout.c (int_mode_for_mode): New function.
2028 * machmode.h: Prototype it.
2030 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2032 * global.c (build_insn_chain): Verify no real insns exist past the
2033 end of the last basic block, then exit the loop.
2035 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2037 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2039 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2041 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2043 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2045 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2047 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2049 * flow.c (find_basic_blocks): Correctly determine when a call
2050 is within an exception region.
2052 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2054 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2056 * cpplib.h: Protect from multiple inclusions.
2057 * cpplib.c: Fix minor formatting problems.
2059 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2061 * jump.c (jump_optimize): Revert accidental patch.
2063 * Makefile.in (cpplib.o): Use unlibsubdir.
2065 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2067 * loop.c (get_condition): Allow combine when either compare is
2070 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2072 * version.c: Bump for snapshot.
2074 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2076 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2077 (init_lex): Initialize ridpointers[RID_BYREF].
2078 * c-lex.h (enum rid): Add RID_BYREF.
2079 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2080 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2081 (encode_type_qualifiers): Similarly
2082 * c-gperf.h: Rebuilt.
2084 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2086 * c-common.c (type_for_mode): Only return TItype nodes when
2087 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2088 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2089 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2090 (init_decl_processing): Only create TItype nodes when
2091 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2092 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2093 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2095 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2097 * stmt.c (n_occurrences): New static function.
2098 (expand_asm_operands): Verify that all constrains match in the
2099 number of alternatives.
2100 Verify that '+' or '=' are at the beginning of an output constraint.
2101 Don't allow '&' for input operands.
2102 Verify that '%' isn't written for the last operand.
2103 * reload.c (find_reloads): Abort if an asm is found with invalid
2104 constraints; all possible problems ought to be checked for earlier.
2106 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2108 * flags.h (flag_branch_on_count_reg): Always declare
2109 * toplev.c (flag_branch_on_count_reg): Likewise.
2110 * toplev.c: Fix typos.
2112 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2115 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2117 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2119 (find_basic_blocks_1): Add a nop to the end of a basic block when
2120 a trailing call insn does not have abnormal control flow.
2121 * gcse.c (pre_transpout): New variable.
2122 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2123 (compute_pre_transpout): Calculate it.
2124 (compute_pre_ppinout): Use it to eliminate impossible placements
2125 due to abnormal control flow through calls.
2126 (compute_pre_data): Call compute_pre_transpout.
2128 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2130 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2132 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2134 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2135 and matching define_insns): Tack on a `use' of the table label, so
2136 flow analysis will recognize a tablejump.
2138 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2140 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2141 always end basic blocks for abnormal edge reasons.
2143 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2145 * config/i386/i386.h: Remove definition of
2146 HANDLE_PRAGMA_PACK_PUSH_POP.
2148 * config/i386/go32.h: Add definition of
2149 HANDLE_PRAGMA_PACK_PUSH_POP.
2151 * config/i386/win32.h: Add definition of
2152 HANDLE_PRAGMA_PACK_PUSH_POP.
2154 * config/i386/cygwin32.h: Add definition of
2155 HANDLE_PRAGMA_PACK_PUSH_POP.
2157 * c-pragma.c (insert_pack_attributes): Do not insert
2158 attributes unless #pragma pack(push,<n>) is in effect.
2160 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2162 * expr.c (emit_group_store): Handle a PARALLEL destination.
2164 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2166 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2167 the new insns before the argument regs are loaded.
2169 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2171 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2172 (c-parse.gperf): Update comments describing invocation flags.
2173 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2175 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2177 * reload1.c (reload): Call free before clobbering the memory
2178 locations or constants pointers.
2180 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2182 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2183 for efficiency by checking whether we need to modify the current
2184 stack permission at all.
2185 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2186 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2187 __enable_execute_stack libcall here too if
2188 TRANSFER_FROM_TRAMPOLINE is defined.
2189 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2192 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2194 * Makefile.in (DRIVER_DEFINES): Remove last change.
2196 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2198 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2199 insns we're going to copy.
2200 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2202 * loop.c (count_one_set): Add prototype.
2204 * caller-save.c (restore_referenced_regs): Lose mode argument.
2205 (insert_save): Lose mode argument.
2206 (insert_restore): Lose mode argument.
2207 (insert_one_insn): Lose mode argument.
2208 (save_call_clobbered_regs): Lose mode argument.
2209 (setup_save_areas): Take no argument and return void. All callers
2211 Don't verify validity of memory addresses.
2212 * reload.h (setup_save_ares): Adjust prototype.
2213 (save_call_clobbered_regs): Likewise.
2214 * reload1.c (delete_caller_save_insns): New function.
2215 (caller_save_spill_class): Delete variable.
2216 (caller_save_group_size): Delete variable.
2217 (reload): Call setup_save_areas and save_call_clobbered_regs
2218 in the main loop, before calling calculate_needs_all_insns.
2219 Don't call save_call_clobbered_regs after the loop.
2220 Call delete_caller_save_insns at the end of an iteration if
2222 Delete code to manage caller_save_spill_class.
2223 Emit the final note before setting reload_first_uid.
2224 Simplify test that determines whether reload_as_needed gets run.
2225 (calculate_needs): Delete code to manage caller_save_spill_class.
2227 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2229 * collect2.c (main): Initialize ld_file_name.
2231 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2233 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2234 check for flag_function_sections.
2236 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2238 * cse.c (insert_regs): Fix bug in Sep 24 change.
2240 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2242 * flags.h (flag_dump_unnumbered): Declare.
2243 * toplev.c (flag_dump_unnumbered): Don't declare.
2244 * print-rtl.c (flags.h): Include.
2245 (print_rtl_single): Add return value.
2246 * rtl.h (print_rtl_single): Update declaration.
2247 * flow.c (flag_dump_unnumbered): Don't declare.
2248 (print_rtl_with_bb): Use return value of print_rtl_single.
2250 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2252 * loop.c (count_one_set): New static function, broken out of
2254 (count_loop_regs_set): Call it.
2255 * global.c (mark_reg_store): Handle clobbers here by not calling
2257 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2258 is in fact a clobber.
2259 * integrate.c (process_reg_param): New function, broken out of
2260 expand_inline_function.
2261 (expand_inline_function): Call it.
2264 * i386.md (addsidi3_1): Delete unused variable temp.
2265 (addsidi3_2): Likewise.
2266 (clstrstrsi): Delete unused variable addr1.
2268 * rtl.h: Don't declare any functions also declared in recog.h.
2270 * Makefile.in (stupid.o): Update dependencies.
2271 (global.o): Likewise.
2273 * global.c: Include reload.h
2274 (reg_becomes_live): New function.
2275 (reg_dies): New function.
2276 (build_insn_chain): New function.
2277 (global_alloc): Call build_insn_chain before calling reload.
2279 * reload.h (struct needs): New structure definition.
2280 (struct insn_chain): Likewise.
2281 (reload_insn_chain): Declare variable.
2282 (new_insn_chain): Declare function.
2285 * reload1.c (reload_startobj): New variable.
2286 (reload_insn_chain): New variable.
2287 (unused_insn_chains): New variable.
2288 (new_insn_chain): New function.
2289 (init_reload): Initialize reload_startobj, not reload_firstobj.
2290 (reload): Initialize reload_firstobj.
2291 Before returning, free everything on the reload_obstack.
2293 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2294 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2295 current_chain): New variables.
2296 (reg_where_born): Delete variable.
2297 (REG_WHERE_BORN): New macro.
2298 (find_clobbered_regs): New function.
2299 (stupid_life_analysis): Don't allocate/free reg_where_born.
2300 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2301 reg_where_dead_chain.
2302 Use REG_WHERE_BORN instead of reg_where_born.
2303 While processing the insns, build the reload_insn_chain with
2304 information about register lifetimes.
2305 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2306 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2308 Compute and information about birth and death of pseudo registers in
2309 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2310 Delete code to set elements of reg_where_born.
2312 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2314 * tree.def (GOTO_EXPR): Modified documentation.
2315 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2318 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2320 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2321 loop_final_value, loop_comparison_code): No longer static.
2322 (unroll_loop): Delete loop_start_value update.
2323 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2324 loop_final_value, loop_comparison_code): Extern.
2325 (loop_start_value): Delete extern.
2326 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2327 loop_comparison_value, loop_comparison_code): Delete.
2328 (loop_optimize): Remove initialization for deleted variables.
2329 (strength_reduce): Delete analyze_loop_iterations call. Only call
2330 insert_bct if flag_branch_count_on_reg set.
2331 (analyze_loop_iterations): Delete.
2332 (insert_bct): Remove iteration count calculation. Move checks for
2333 viable BCT optimization to here. Obtain iteration count from
2334 loop_iterations and correct for unrolling. Check for enough
2335 iteration to be beneficial. Comment out runtime iteration count
2337 (insert_bct): Print iteration count in dump file. Remove
2338 loop_var_mode and use word_mode directly.
2340 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2341 * rs6000.c (rs6000_override_options): Use it.
2342 (optimization_options): Enable use of flag_branch_on_count_reg.
2343 * rs6000.md (define_function_unit): Describe 604e.
2345 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2347 * loop.c (move_movables): Corrected threshold calculation for
2348 moved_once registers.
2350 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2352 * loop.c (combine_givs_p): Fix test for identical givs.
2354 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2356 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2357 call abort if the function is already defined.
2359 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2361 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2362 truncation is not a no-op.
2364 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2366 * version.c: Bump for snapshot.
2368 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2370 * version.c: Bump for snapshot.
2372 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2374 * expmed.c (expand_divmod): Don't widen for computing remainder
2375 if we seem to have a divmod pattern for needed mode.
2377 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2379 * cpplib.c (macroexpand): Correct off-by-one error in handling
2382 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2384 * combine.c (expand_field_assignment): Don't do bitwise operations
2385 on MODE_FLOAT; pun to MODE_INT if possible.
2387 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2388 scott snyder <snyder@d0sgif.fnal.gov>
2390 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2391 linker. Recognize mangled names in quotes.
2393 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2395 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2396 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2397 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2398 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2400 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2402 * function.c (purge_addressof_1): If trying to take a sub-word
2403 integral piece of a floating point mode, put it on the stack.
2405 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2407 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2409 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2411 * PROJECTS: Remove template friends.
2413 * collect2.c (sort_ids): Remove unused variable.
2415 * tm.texi (MATH_LIBRARY): Document.
2416 (NEED_MATH_LIBRARY): Remove.
2418 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2419 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2421 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2423 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2424 last_end to 0x7fffffff.
2426 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2428 * function.c (purge_addressof_1): Do not perform endianness
2429 corrections on bitpos, who we call will do it for us.
2431 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2433 * h8300.c (WORD_REG_USED): Fix typo.
2434 (initial_offset): Use WORD_REG_USED.
2436 * h8300.c (handle_pragma): Fix typo.
2438 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2440 * caller-save.c (insert_save_restore): Break this function up
2441 into new functions insert_restore, insert_save and insert_one_insn.
2442 All callers changed.
2443 (insert_restore): New function, mostly broken out of
2444 insert_save_restore.
2445 (insert_save): Likewise.
2446 (insert_one_insn): Likewise.
2447 (restore_referenced_regs): New argument BLOCK. All callers changed.
2448 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2449 in this function, do it in insert_one_insn instead.
2451 * reload1.c (reload): Break out some more pieces into separate
2453 (dump_needs): New function, broken out of reload.
2454 (set_initial_elim_offsets): Likewise.
2455 (init_elim_table): Likewise.
2456 (update_eliminables): Likewise.
2458 * global.c (global_alloc): Delete code to manage the scratch_list.
2459 * local-alloc.c (qty_scratch_rtx): Delete.
2460 (scratch_block): Delete.
2461 (scratch_list): Delete.
2462 (scratch_list_length): Delete.
2463 (scratch_index): Delete.
2464 (alloc_qty_for_scratch): Delete.
2465 (local-alloc): Update initialization of max_qty.
2466 Delete code to manage the scratch list.
2467 Delete code to allocate/initialize qty_scratch_rtx.
2468 (block_alloc): Don't allocate quantities for scratches.
2469 Delete code to manage the scratch list.
2470 * regs.h (scratch_list): Delete declaration.
2471 (scratch_block): Delete declaration.
2472 (scratch_list_length): Delete declaration.
2473 * reload1.c (reload): Delete code to manage the scratch list.
2474 (spill_hard_reg): Likewise.
2475 (mark_scratch_live): Delete.
2477 * recog.c (alter_subreg): Delete declaration.
2479 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2481 * Makefile.in (cccp.o): Fix typo in last patch.
2483 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2485 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2486 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2488 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2490 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2491 NULL_RTX as an argument.
2493 * Makefile.in (unlibsubdir): Define.
2494 (DRIVER_DEFINES): Use unlibsubdir.
2495 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2496 (stmp-fixinc): Similarly.
2498 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2500 * regmove.c (regmove_optimize): Add variable old_max_uid.
2501 At the end of the function, update basic_block_end.
2503 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2505 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2506 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2509 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2511 * config/arm/arm.c: Improve interworking support.
2513 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2515 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2516 copied from reload_out[r] .
2518 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2520 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2521 with more than three size ranges.
2523 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2525 * rtl.c (mode_name): Add a null string at the end of the array.
2526 (mode_wider_mode): Change type to unsigned char.
2527 (mode_mask_array): New variable.
2528 (init_rtl): Update for mode_wider_mode type change.
2530 * rtl.h (mode_wider_mode): Change type to unsigned char.
2531 (mode_mask_array): Declare.
2532 (GET_MODE_MASK): Use mode_mask_array.
2534 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2536 * calls.c (expand_call) : Encapsulate code into
2537 copy_blkmode_from_reg.
2538 * expr.c (copy_blkmode_from_reg): New function.
2539 * expr.h (copy_blkmode_from_reg): New function.
2540 * integrate.c (function_cannot_inline_p): We can inline
2542 (expand_inline_function): Use copy_blkmode_from_reg
2543 if needed. Avoid creating BLKmode REGs.
2544 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2547 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2549 * config/v850/v850.c: Add function prototypes.
2550 Add support for v850 special data areas.
2552 * config/v850/v850.h: Add support for v850 special data areas.
2554 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2555 HANDLE_PRAGMA_PACK_PUSH_POP.
2556 (push_alignment): New function: Cache an alignment requested
2557 by a #pragma pack(push,<n>).
2558 (pop_alignment): New function: Pop an alignment from the
2560 (insert_pack_attributes): New function: Generate __packed__
2561 and __aligned__ attributes for new decls whilst a #pragma pack
2563 (add_weak): New function: Cache a #pragma weak directive.
2564 (handle_pragma_token): Document calling conventions. Add
2565 support for #pragma pack(push,<n>) and #pragma pack (pop).
2567 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2568 are defined enable HANDLE_PRAGMA_PACK.
2569 Move 'struct weak_syms' here (from varasm.c).
2570 Add pragma states for push and pop pragmas.
2572 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2575 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2576 HANDLE_GENERIC_PRAGMAS.
2578 * varasm.c: Move definition of 'struct weak_syms' into
2580 (handle_pragma_weak): Deleted.
2582 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2584 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2586 * c-decl.c (start_function): Add invocation of
2587 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2589 * tm.texi: Remove description of non-existant macro
2590 SET_DEFAULT_SECTION_NAME.
2592 (HANDLE_SYSV_PRAGMA): Document.
2593 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2595 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2597 * config.sub: Recognize i[34567]86-pc-udk as new target.
2598 * configure.in: Likewise.
2599 * config/i386/t-udk: New file.
2600 * config/i386/udk.h: New file.
2602 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2604 * reorg.c (check_annul_list_true_false): Remove unused variables.
2605 (steal_delay_list_from_target): Add missing "used_annul" variable.
2606 (try_merge_delay_insns): Close out half formed comment.
2608 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2610 * cpplib.c (macroexpand): If arg->raw_before or
2611 arg->raw_after, remove any no-reexpansion escape at the
2612 beginning of the pasted token. Correct handling of whitespace
2613 markers and no-reexpand markers at the end if arg->raw_after.
2615 * toplev.c (documented_lang_options): Recognize -include,
2616 -imacros, -iwithprefix, -iwithprefixbefore.
2617 * cpplib.c (cpp_start_read): Process -imacros and -include
2618 switches at the same time and in command-line order, after
2619 initializing the dependency-output code. Emit properly nested
2620 #line directives for them. Emit a #line for the main file
2621 before processing these switches, and don't do it again
2624 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2626 * function.c (purge_addressof_1): Use bitfield manipulation
2627 routines to handle mem mode < reg mode.
2629 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2631 * reorg.c (try_merge_delay_insns): Account for resources referenced
2632 in each instruction in INSN's delay list before trying to eliminate
2633 useless instructions. Similarly when looking at a trial insn's delay
2636 * reorg.c (check_annul_list_true_false): New function.
2637 (steal_delay_list_from_{target,fallthrough}): Call it and also
2638 refine tests for when we may annul if already filled a slot.
2639 (fill_slots_from_thread): Likewise.
2640 (delete_from_delay_slot): Return newly-created thread.
2641 (try_merge_delay_isns): Use its new return value.
2643 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2645 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2646 used to compute a giv or as some other non-counting use.
2648 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2650 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2651 * local-alloc.c (find_free_reg): Use it.
2652 * global.c (find_reg): Likewise.
2653 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2655 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2656 * caller-save.c (init_caller_save): Use it.
2657 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2659 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2661 * configure.in: Add --enable-cpplib option which uses cpplib
2662 for cpp, but doesn't link cpplib into cc1. Make help text
2663 capitalization consistent.
2664 * configure: Rebuilt.
2666 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2668 * function.c (gen_mem_addressof): If the address REG is
2669 REG_USERVAR_P make the new REG be so also.
2670 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2671 in an attempt to clarify slightly.
2673 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2675 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2676 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2678 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2680 * toplev.c: Fix last patch.
2682 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2684 * loop.c (get_condition): Fix typo in May 9 change.
2686 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2688 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2690 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2692 * toplev.c (documented_lang_options): Spelling corrections.
2694 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2696 * configure.in: new flags --with-ld and --with-as, equivalent
2697 to setting LD and AS environment variables. Test whether
2698 specified arguments are GNU commands, and report them with
2699 checking messages. Use the specified AS for configure
2702 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2704 * gcc.c (find_a_file): when looking for `as' and `ld', return
2705 the DEFAULT program if it exists
2706 * collect2.c (main): use DEFAULT_LINKER if it exists
2708 * gcc.c (find_a_file): the test for existence of a full
2709 pathname was reversed
2711 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2713 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2714 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2716 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2718 * tree.h (TYPE_BINFO): Document.
2720 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2722 * i386-coff.h (dbxcoff.h): Added.
2724 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2726 * toplev.c: fix bad patch around flag_data_sections.
2728 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2730 * reload1.c (reload): Use reload_address_index_reg_class and
2731 reload_address_base_reg_class when setting
2732 caller_save_spill_class. (Patch generated by Jim Wilson:
2735 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2737 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2738 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2739 * expr.c (store_field): Add alias_set parameter. Set the
2740 MEM_ALIAS_SET accordingly, if the target is a MEM.
2741 (expand_assignment): Use it.
2742 (store_constructor_field): Pass 0.
2743 (expand_expr): Likewise.
2745 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2747 * flags.h: Add flag_data_sections.
2748 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2749 (compile_file): Error if flag_data_sections not supported.
2750 * varasm.c (assemble_variable): Handle flag_data_sections.
2751 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2752 * config/mips/elf.h: Likewise.
2753 * config/mips/elf64.h: Likewise.
2754 * invoke.texi: Describe -fdata-sections.
2756 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2758 * invoke.texi (-ffloat-store): Clarify that this option
2759 does not affect intermediate results -- only variables.
2761 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2763 * cpp.texi: Update for Fortran usage from Craig.
2765 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2767 * rs6000.c (function_arg_boundary): Revert accidental change on
2770 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2772 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2773 (output_mi_thunk): Declare.
2775 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2776 (output_function_profiler): Use r12 for temp, instead of r11 so
2777 that we preserve the static chain register.
2779 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2781 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2783 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2785 * sh.c (gen_shl_sext): Fix case 5.
2787 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2789 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2791 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2793 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2794 accessing variables until they are initialized via va_arg().
2796 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2798 * reload1.c (reload_combine): Initialize set before using.
2800 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2802 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2805 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2807 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2808 operand3 with mask before using it. Patch provided by Jim Wilson.
2810 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2812 * config/sparc/sparc.c (function_value): Perform the equivalent of
2813 PROMOTE_MODE for ARCH64.
2814 (eligible_for_epilogue_delay): Allow DImode operations in delay
2815 slot of a return for ARCH64.
2817 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2819 * sh.md (sqrtsf2): Fix mode of sqrt.
2821 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2823 * reload1.c (choose_reload_regs): Also try inheritance when
2824 reload_in is a stack slot of a pseudo, even if we already got a
2827 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2829 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2830 (reload_cse_regs): New function body: call reload_cse_regs_1,
2831 reload_combine, reload_cse_move2add.
2832 When doing expensive_optimizations, call reload_cse_regs_1 a
2833 second time after reload_cse_move2add.
2834 (reload_combine, reload_combine_note_store): New functions.
2835 (reload_combine_note_use): New function.
2836 (reload_cse_move2add, move2add_note_store): New functions.
2838 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2840 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2841 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2843 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2844 more than 3 such reloads.
2846 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2847 RELOAD_FOR_X_ADDR_ADDR reload.
2849 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2851 * expr.c (store_constructor): When initializing a field that is smaller
2852 than a word, at the start of a word, try to widen it to a full word.
2854 * cse.c (cse_insn): When we are about to change a register,
2855 remove any invalid references to it.
2857 (remove_invalid_subreg_refs): New function.
2858 (mention_regs): Special treatment for SUBREGs.
2859 (insert_regs): Don't strip SUBREG for call to mention_regs.
2860 Check if reg_tick needs to be bumped up before that call.
2861 (lookup_as_function): Try to match known word_mode constants when
2862 looking for a norrower constant.
2863 (canon_hash): Special treatment for SUBREGs.
2865 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2867 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2868 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2869 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2870 and offsets in actual stack trampoline code so they match the
2871 commentary and actually work.
2873 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2875 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2877 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2878 tmake_file. Set extra_parts to needed crt objects.
2879 * configure: Rebuilt.
2880 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2881 (TARGET_DEFAULT): Set if default is v9 or ultra.
2882 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2883 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2884 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2885 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2886 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2887 (TARGET_VERSION): Define.
2888 (MULTILIB_DEFAULT): Define.
2889 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2890 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2891 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2893 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2894 * config/sparc/sparc.c (sparc_override_options): If arch and
2895 pointer size disagree, emit diagnostic and fix it up. If
2896 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2897 V8PLUS in 64-bit mode.
2898 * config/sparc/t-linux64: New file.
2899 * config/sparc/t-sol2-64: New file.
2900 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2901 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2902 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2903 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2904 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2905 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2907 (STARTFILE_SPEC): Set approriately based upon those.
2908 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2909 disposition of DEFAULT_ARCH32_P.
2910 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2911 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2912 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2913 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2914 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2916 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2918 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2920 * rtl.h (init_virtual_regs): New function.
2921 * emit-rtl.c (init_virtual_regs): Define.
2922 (insn_emit): Use it.
2923 * integrate.c (save_for_inline_copying): Likewise.
2925 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2927 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2928 (enum reg_class): Add NONARG_LO_REGS support.
2929 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2930 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2931 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2932 completes. Re-enable HImode REG+OFFSET addresses.
2933 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2935 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2937 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2939 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2940 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2941 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2943 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2945 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2946 jumps as a single entity, taking into account the size of the
2949 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2951 * tree.def (SWITCH_EXPR): New tree node definition.
2953 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2955 * version.c: Bump for snapshot.
2957 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2959 * version.c: Bump for snapshot.
2961 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2963 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2966 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2968 * Revert this patch.
2969 * reload.c (find_reloads): Do not replace a pseudo with
2970 (MEM (reg_equiv_addr)) in the initializing insn for the
2973 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2975 * final.c (final_scan_insn): Disable tracking CC across branches.
2977 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2979 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2980 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2981 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2982 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2983 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2985 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2987 * toplev.c (rest_of_compilation): Skip compiling anything with
2988 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2990 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2992 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2993 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2994 use in_libcall_block.
2995 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2996 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2999 Mon Sep 21 14:02:23 1998
3001 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3002 typo in no-fancy-math-387 description.
3004 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3006 * version.c: Bump for snapshot.
3008 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3010 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3012 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3014 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3015 documented in install.texi.
3016 (TARGET_OPTIONS) Likewise.
3018 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3020 * version.c: Bump for snapshot.
3022 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3024 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3025 * cccp.c (main): Likewise.
3027 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3028 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3031 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3033 * Makefile.in (LIBS): Link in libiberty.a.
3034 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3036 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3038 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3039 it to update bb boundaries. Update caller.
3040 * function.c (reposition_prologue_and_epilogue_notes): Update
3041 bb boundaries wrt the moved note.
3043 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3045 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3047 * configure: Regenerate.
3049 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3051 * alpha.c (alpha_sr_alias_set): New variable.
3052 (override_options): Set it.
3053 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3054 (mode_mask_operand): Fix signed-unsigned comparision warning.
3055 (alpha_expand_block_move): Likewise.
3056 (print_operand): Likewise.
3057 (get_aligned_mem): Use change_address.
3058 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3059 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3060 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3061 (alpha_align_insns): Remade from old alphaev5_align_insns
3062 to handle multiple processors.
3063 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3064 * output.h (label_to_alignment): Prototype.
3066 * tree.c (new_alias_set): New function.
3067 * tree.h (new_alias_set): Declare it.
3068 * c-common.c (c_get_alias_set): Use it.
3070 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3072 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3073 to an ABS expr, convert an unsigned input to signed.
3075 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3077 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3079 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3081 * configure.in: Add support for c4x targets.
3082 * configure: Rebuilt.
3084 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3086 * combine.c (distribute_notes): If an insn is a cc0 user, only
3087 delete it if we can also delete the cc0 setter.
3089 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3091 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3092 (invert_truthvalue): Enable truthvalue inversion for
3093 floating-point operands if -ffast-math.
3095 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3097 * configure.in: Disable collect2 for nextstep. Instead use
3099 * configure: Rebuilt.
3100 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3101 (ENDFILE_SPEC): Define.
3102 (OBJECT_FORMAT_MACHO): Define.
3103 (EH_FRAME_SECTION_ASM_OP): Define.
3104 * crtstuff.c: Handle MACHO.
3106 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3108 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3110 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3112 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3113 (_fpadd_parts): Get sign right for 0.
3115 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3117 * ginclude/varargs.h: Add support for C4x target.
3118 * ginclude/stdargs.h: Likewise.
3120 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3122 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3123 (alpha_emit_set_long_const): Rewrite to be callable from reload
3125 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3126 * alpha.md (movdi): Likewise.
3128 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3130 * arm.c (add_constant): New parameter address_only, change caller.
3131 Set it non-zero if taking the address of an item in the pool.
3132 (arm_reorg): Handle cases where we need the address of an item in
3135 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3137 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3138 memory addresses that are not in standard canonical form.
3140 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3142 * README.C4X: New file with information about the c4x ports.
3143 * ginclude/va-c4x.h: New file for c4x varargs support.
3144 * config/c4x: New directory with c4x port files.
3146 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3148 * reload.c (find_reloads): Do not replace a pseudo with
3149 (MEM (reg_equiv_addr)) in the initializing insn for the
3152 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3154 * toplev.c (rest_of_compilation): Set bct_p on second call to
3156 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3158 (strength_reduce): Only call analyze_loop_iterations and
3159 insert_bct if bct_p set.
3160 (check_dbra_loop): Fix typo.
3161 (insert_bct): Use word_mode instead of SImode.
3162 (instrument_loop_bct): Likewise. Do not delete iteration count
3163 condition code generation insn. Initialize iteration count before
3165 * rtl.h (loop_optimize): Update prototype.
3167 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3168 not doubleword aligned.
3170 * rs6000.c (optimization_options): New function.
3171 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3172 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3173 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3174 first; cr1 can be used for FP record condition insns.
3176 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3178 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3181 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3184 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3186 (block_move_call): New function: Call a library routine to copy a
3188 (m32r_expand_block_move): New function: Expand a "movstrsi"
3189 pattern into a sequence of insns.
3190 (m32r_output_block_move): New function: Expand a
3191 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3192 (m32r_block_immediate_operand): New function: Return true if the
3193 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3195 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3197 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3199 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3201 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3203 * regmove.c (copy_src_to_dest): Check that modes match.
3205 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3207 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3209 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3211 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3212 narrower than FLOAT_REGS.
3214 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3216 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3218 * Makefile.in (old_gxx_include_dir): removed
3220 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3222 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3225 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3226 (sh_handle_pragma): Change function arguments to match new
3227 specification for HANDLE_PRAGMA.
3229 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3231 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3233 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3234 When generating output, initialize missing struct member to zero.
3236 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3238 * regmove.c (copy_src_to_dest): Don't copy if that requires
3239 (a) new register(s).
3241 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3243 * global.c (reg_allocno): Now static.
3244 * reload1.c (reg_allocno): Delete declaration.
3245 (order_regs_for_reload): Take no arguments. Don't treat regs
3246 allocated by global differently than those allocated by local-alloc.
3248 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3250 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3251 condition, fix format strings.
3252 (output_function_epilogue): Likewise.
3254 * m68k/m68k.c: Don't include <stdlib.h> directly.
3256 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3258 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3259 mem_first_set, mem_last_set; because 0 can be a CUID.
3260 (oprs_unchanged_p): Use new definition.
3261 (record_last_reg_set_info): Likewise.
3262 (record_last_mem_set_info): Likewise.
3263 (compute_hash_table): Likewise.
3265 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3267 * rs6000.c (output_epilogue): Handle Chill.
3269 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3270 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3272 * combine.c (make_extraction): If no mode is specified for
3273 an operand of insv, extv, or extzv, default it to word_mode.
3274 (simplify_comparison): Similarly.
3275 * expmed.c (store_bit_field): Similarly.
3276 (extract_bit_field): Similarly.
3277 * function.c (fixup_var_regs_1): Similarly.
3278 * recog.c (validate_replace_rtx_1): Similarly.
3279 * mips.md (extv, extzv, insv expanders): Default modes for most
3280 operands. Handle TARGET_64BIT.
3281 (movdi_uld, movdi_usd): New patterns.
3283 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3284 equivalent memory location unless we have been provided a scratch
3285 register. Similarly do not call find_replacement unless a
3286 scratch register has been provided.
3288 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3290 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3293 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3295 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3296 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3297 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3298 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3299 * c-decl.c (init_decl_processing): Update accordingly.
3300 * expr.c (expand_builtin): Likewise.
3302 * rtl.h (global_rtl): Add cfa entry.
3303 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3304 (LAST_VIRTUAL_REGISTER): Update.
3305 * emit-rtl.c (global_rtl): Add cfa entry.
3306 (init_emit): Initialize it.
3307 * function.c (cfa_offset): New.
3308 (instantiate_virtual_regs): Initialize it.
3309 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3310 (expand_function_end): Call expand_eh_return.
3311 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3313 * except.c (current_function_eh_stub_label): Kill.
3314 (current_function_eh_old_stub_label): Likwise; update all references.
3315 (expand_builtin_set_return_addr_reg): Kill.
3316 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3317 (expand_builtin_set_eh_regs): Kill.
3318 (eh_regs): Produce a third reg for the actual handler address.
3319 (eh_return_context, eh_return_stack_adjust): New.
3320 (eh_return_handler, eh_return_stub_label): New.
3321 (init_eh_for_function): Initialize them.
3322 (expand_builtin_eh_return, expand_eh_return): New.
3323 * except.h: Update prototypes.
3324 * flow.c (find_basic_blocks_1): Update references to the stub label.
3325 * function.h (struct function): Kill stub label elements.
3327 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3328 register number is one that would be in the previous window.
3329 Provide a dummy definition for non-windowed targets.
3330 (get_reg_addr): New function.
3331 (get_reg, put_reg, copy_reg): Use it.
3332 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3333 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3335 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3336 (alpha_init_expanders): Initialize it.
3337 (alpha_expand_epilogue): Use it.
3338 * alpha.h: Declare it.
3339 * alpha.md (eh_epilogue): New.
3341 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3342 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3344 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3346 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3349 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3351 * except.h (struct eh_entry): Add false_label field.
3352 (end_catch_handler): Add prototype.
3353 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3354 (start_catch_handler): When using old style exceptions, issue
3355 runtime typematch code before continuing with the handler.
3356 (end_catch_handler): New function, generates label after handler
3357 if needed by older style exceptions.
3358 (expand_start_all_catch): No need to check for new style exceptions.
3359 (output_exception_table_entry): Only output the first handler label
3360 for old style exceptions.
3361 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3362 mechanism into one function, if a runtime matcher is provided.
3364 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3366 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3368 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3370 * integrate.c (copy_decl_list): Fix typo.
3372 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3374 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3377 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3379 * version.c: Bump for snapshot.
3381 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3383 * version.c: Bump for snapshot.
3385 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3387 * version.c: Bump for snapshot.
3389 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3391 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3393 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3395 * configure.in: remove usage of `!' to negate the result of a
3396 command; some common shells do not support it
3398 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3400 * configure.in: in sparc9-sol2 config, use 'if test' not
3402 * configure: Rebuilt.
3404 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3406 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3407 (CPP_CPU_DEFAULT_SPEC): Likewise.
3408 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3409 for arch64 libfuncs.
3411 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3414 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3416 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3418 * collect2.c: Don't declare `sys_siglist' here.
3419 (my_strsignal): Prototype and define new function. Use it in
3420 place of `sys_siglist' hacks.
3422 * mips_tfile.c: Likewise.
3424 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3425 (GCC_NEED_DECLARATIONS): Likewise.
3427 * system.h (strsignal): Prototype it, if necessary.
3428 (sys_siglist): Declare it, if necessary.
3430 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3432 * loop.c (move_movables): While removing insn sequences, preserve
3433 the next pointer of the most recently deleted insn when we skip
3436 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3438 * objc/config-lang.in: Do not output the name of the selected
3439 thread file when building the front-end. The Makefile for the
3440 runtime library will do this.
3442 * objc/Make-lang.in: Do not build the runtime library or install
3443 the Objective C header files. The Makefile for the runtime
3444 library will do this.
3446 * objc/Makefile.in (all.indirect): Only build the front-end.
3447 (compiler): Rename to `frontend'.
3448 (obj-runtime): Remove target.
3449 (copy-headers): Likewise.
3450 (clean): No need to remove `libobjc.a' any longer.
3452 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3454 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3455 supported with -mcpu=xxx.
3457 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3459 * flow.c (mark_set_1): Recognize multi-register structure return
3460 values in CALL insns.
3461 (mark_used_regs): Likewise.
3462 (count_reg_sets_1): Likewise.
3463 (count_reg_references): Likewise.
3464 * rtlanal.c (note_stores): Likewise.
3465 (reg_overlap_mentioned_p): Likewise.
3466 * haifa-sched.c (check_live_1): Likewise.
3467 (update_live_1): Likewise.
3468 (sched_analyze_1): Likewise.
3469 (sched_note_set): Likewise.
3470 (birthing_insn_p): Likewise.
3471 (attach_deaths): Likewise.
3473 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3476 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3478 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3480 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3482 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3484 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3486 * configure.in: Add check for GAS subsection -1 support.
3487 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3488 * configure config.in: Rebuilt.
3489 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3490 SImode is subsection -1 works, else use DImode.
3491 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3492 subsection -1 works.
3493 * config/sparc/sparc.c (sparc_output_addr_vec,
3494 sparc_output_addr_diff_vec): Use them if defined.
3496 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3498 * tree.h (DECL_ORIGIN): New macro.
3499 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3500 (copy_decl_list): Use it.
3501 (integrate_parm_decls): Likewise.
3502 (integrate_decl_tree): Likewise.
3503 * dwarf2out.c (decl_ultimate_origin): Simplify.
3504 * dwarfout.c (decl_ultimate_origin): Likewise.
3505 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3506 (pushdecl): Likewise.
3508 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3510 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3512 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3514 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3516 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3518 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3519 empty or has a single entry.
3521 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3522 before calling reg_to_stack.
3524 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3526 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3527 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3529 * c-tree.h (warn_long_long): Declare it.
3531 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3533 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3534 initialized float-int union if the value is a NaN.
3536 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3538 * c-lex.c (real_yylex): Don't warn about long long constants if
3539 we're allowing long long
3541 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3543 * except.h (current_function_eh_stub_label): Declare.
3544 (current_function_eh_old_stub_label): Declare.
3545 * function.h (struct function): New members eh_stub_label and
3547 * except.c (current_function_eh_stub_label): New variable.
3548 (current_function_eh_old_stub_label): New variable.
3549 (init_eh_for_function): Clear them.
3550 (save_eh_status): Save them.
3551 (restore_eh_status): Restore them.
3552 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3553 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3554 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3555 make an edge from the block that contains it to the block starting
3556 with the label if this label is one of the eh stub labels.
3557 If eh stub labels exist, show they are reachable from the last block
3560 * reload1.c (reload): Break out several subroutines and make some
3562 (calculate_needs_all_insns): New function, broken out of reload.
3563 (calculate_needs): Likewise.
3564 (find_reload_regs): Likewise.
3565 (find_group): Likewise.
3566 (find_tworeg_group): Likewise.
3567 (something_needs_reloads): New global variable, formerly in reload.
3568 (something_needs_elimination): Likewise.
3569 (caller_save_spill_class): Likewise.
3570 (caller_save_group_size): Likewise.
3571 (max_needs): Likewise.
3572 (group_size): Likewise.
3573 (max_groups): Likewise.
3574 (max_nongroups): Likewise.
3575 (group_mode): Likewise.
3576 (max_needs_insn): Likewise.
3577 (max_groups_insn): Likewise.
3578 (max_nongroups_insn): Likewise.
3579 (failure): Likewise.
3581 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3583 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3585 * loop.c (load_mems): Copy rtx for output mem.
3587 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3589 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3590 mips1 or mips2 either.
3592 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3594 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3596 (pa_adjust_insn_length): Update to work with new marking scheme
3597 for jumps inside switch tables.
3598 * pa.md (switch_jump): Remove pattern.
3599 (jump): Handle jumps inside jump tables.
3601 * Makefile.in (profile.o): Depend on insn-config.h
3603 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3605 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3607 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3609 Add preliminary native sparcv9 Solaris support.
3610 * configure.in: Recognize sparv9-*-solaris2*
3611 * configure: rebuilt
3612 * config.sub: Recognize sparcv9 just like sparc64.
3613 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3614 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3615 32-bit and 64-bit Solaris systems.
3616 * config/sparc/t-sol2: Assemble those with cpp.
3617 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3618 (*TF*_LIBCALL): If ARCH64 use V9 names.
3619 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3621 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3623 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3624 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3626 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3628 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3629 to Pmode if CASE_VECTOR_MODE is something else.
3631 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3633 * prefix.c (update_path): Correctly handle cases where PATH is
3634 a substring of the builtin prefix, but specifies a different
3637 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3639 * expr.c: Corrected comment about what MOVE_RATIO does.
3640 * config/alpha/alpha.h: Ditto.
3641 * config/1750a/1750a.h: Ditto.
3642 * config/clipper/clipper.h: Ditto.
3643 * config/i386/i386.h: Ditto.
3645 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3647 * configure.in (m68k-next-nextstep3*): Use collect2.
3648 Similarly for x86 NeXT configurations.
3649 * configure: Rebuilt.
3651 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3653 * configure.in: Don't assume srcdir is .../gcc
3654 * configure: Rebuilt.
3656 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3658 * global.c: Update comments.
3659 (global_alloc): Assign allocation-numbers
3660 even for registers allocated by local_alloc in case
3661 they are later spilled and retry_global_alloc is called.
3662 (mark_reg_store, mark_reg_clobber,
3663 mark_reg_conflicts, mark_reg_death): Always record a
3664 conflict with a pseudo register even if it has been
3665 assigned to a hard register.
3666 (dump_conflicts): Don't list pseudo registers already assigned to
3667 a hard register as needing to be allocated, but do list their
3669 * local-alloc.c: Update comment.
3671 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3673 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3674 * configure: Rebuilt.
3676 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3678 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3680 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3681 for all targets that set -msoft-float.
3683 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3685 * toplev.c (print_switch_values): Make static to match prototype.
3687 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3689 * configure.in: If we are unable to find the "gnatbind" program,
3690 then do not configure the ada subdir.
3691 * configure: Rebuilt.
3693 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3695 * version.c: Bump for snapshot.
3697 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3699 * version.c: Bump for snapshot.
3701 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3703 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3704 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3706 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3708 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3710 * genextract.c: Have insn-extract.c include toplev.h.
3712 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3714 * toplev.c: Include expr.h.
3715 (really_sorry, fancy_abort): Remove prototypes.
3716 (set_target_switch): Add argument in prototype.
3717 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3718 (v_really_sorry): Likewise.
3719 (print_version, print_single_switch, print_switch_values): Make
3720 static and add prototype arguments.
3721 (decl_printable_name): Add prototype arguments.
3722 (lang_expand_expr_t): New typedef.
3723 (lang_expand_expr): Declare as a lang_expand_expr_t.
3724 (incomplete_decl_finalize_hook): Add prototype argument.
3725 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3726 (botch): Likewise for variable `s'.
3727 (rest_of_type_compilation): Mark variables `type' and `toplev'
3728 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3729 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3730 (display_help): Make variable `i' an `unsigned long'.
3731 (main): Remove unused parameter `envp'.
3732 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3733 Cast -1 when comparing it with a `size_t'.
3735 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3736 prototype with ATTRIBUTE_NORETURN.
3737 (fatal_insn_not_found, fatal_insn, really_sorry,
3738 push_float_handler, pop_float_handler): Add prototypes.
3739 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3740 (do_abort, botch): Add prototypes.
3742 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3744 * final.c (final): If a label is reached only from a single jump,
3745 call NOTICE_UPDATE_CC on the jump and its predecessor before
3746 emitting the insn after the label.
3748 * i386.h: Add AMD K6 support.
3749 Change TARGET_* macros to use table lookup.
3750 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3751 (ADJUST_COST): Change definition to call function in i386.c.
3752 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3753 * i386.c: Add AMD K6 support.
3754 Add constants for feature tests used by TARGET_* macros.
3755 (split_di): If before reload, call gen_lowpart and gen_highpart.
3756 (x86_adjust_cost): New function.
3757 (put_jump_code): New function.
3758 (print_operand): New codes 'D' and 'd'.
3759 * i386.md: New insn types. New insn attribute "memory".
3760 Redefine scheduling parameters to use new types and add AMD K6
3761 support. Explicitly set type of most insns.
3762 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3763 Pro and K6 prefer movl $1,reg to incl reg.
3764 (adddi3, subdi3): Set cc_status.
3765 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3766 to int; x86 can't have more than 2^31 DImode shifts per file.
3767 (setcc): Combine all setcc patterns. Allow writing memory.
3768 Combine all jump patterns using match_operator.
3769 (*bzero): Name pattern. Emit mutliple stos instructions when that
3770 is faster than rep stos.
3771 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3774 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3776 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3779 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3781 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3782 not whatever we're generating now.
3784 * alpha.c (set_frame_related_p, FRP): New.
3785 (alpha_expand_prologue): Mark frame related insns.
3786 (alpha_expand_epilogue): Likewise, but with a null FRP.
3787 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3788 * alpha.md (exception_receiver): New.
3789 * alpha/crtbegin.asm (.eh_frame): New beginning.
3790 (__do_frame_setup, __do_frame_takedown): New.
3791 * alpha/crtend.asm (.eh_frame): New ending.
3792 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3793 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3794 (ASM_FILE_START): Don't emit .file for dwarf2.
3796 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3797 * rtl.c (reg_note_name): Likewise.
3798 * rtl.texi (REG_NOTES): Likewise.
3799 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3802 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3804 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3805 * i386.md (movsf, movdf, movxf): Validate memory address returned
3806 from force_const_mem. Kill useless REG_EQUAL setting code.
3808 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3810 * m68k.md (zero_extendsidi2): Fix typo.
3812 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3814 * configure.in: Removed references to the removed file
3815 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3816 * arm*-*-netbsd* and ns32k-*-netbsd*.
3817 * config/i386/xm-netbsd.h: Removed unnecessary file.
3818 * config/m68k/xm-netbsd.h: Likewise.
3819 * config/sparc/xm-netbsd.h: Likewise.
3820 * config/mips/xm-netbsd.h: Likewise.
3822 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3824 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3825 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3827 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3828 for exact section attributions.
3830 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3832 * i386/crtdll.h (CPP_PREDEFINES): Define.
3834 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3836 * m68k.md (5200 movqi): Do not allow byte sized memory references
3838 * m68k.c (output_move_qimode): Do not use byte sized operations on
3841 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3842 explicit rules for building. Similarly for alloca, vfprintf,
3843 choose-temp and mkstemp, getopt, getopt1, and obstack.
3844 (INCLUDES): Add $(srcdir)/../include.
3845 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3846 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3848 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3850 * gcc.c (do_spec_1): [case 'o'] Account for
3851 lang_specific_extra_outfiles.
3852 (main): Correctly clear all slots in outfiles for
3853 lang_specific_extra_outfiles. Set input_file_number before
3854 calling lang_specific_pre_link.
3856 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3858 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3860 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3862 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3864 (sparc_output_deferred_case_vectors): If no work to do, return.
3865 Fix thinko in Sept 1 change.
3867 1998-09-03 SL Baur <steve@altair.xemacs.org>
3869 * Makefile.in: add semicolon in BISON definition for portability.
3871 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3873 * config/nextstep.c (handle_pragma): Correct name of third
3876 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3878 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3879 * config/m32r/m32r.h: Make register 17 be fixed.
3880 * config/m32r/m32r.c: Use SImode for cc operations.
3882 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3884 * invoke.texi (Warning Options): Add -Wnon-template-friend
3887 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3889 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3891 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3893 * rs6000.md (movsf): Disable explicit secondary-reload-like
3894 functionality if TARGET_POWERPC64.
3895 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3898 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3900 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3901 and term.h from fixinc.wrap.
3903 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3905 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3906 safe to include both string.h and strings.h together.
3907 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3908 which headers to search for function declarations. Continue to
3909 prefer string.h over strings.h when both are not acceptable.
3911 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3913 * configure.in: Call GCC_HEADER_STRING.
3915 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3916 to include. Continue to prefer string.h over strings.h when both
3919 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3921 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3922 not assume top 32-bits of symbolic addresses are zero if
3925 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3927 * ginclude/va-alpha.h: Protect entire second portion of the
3928 file against double inclusion.
3930 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3932 Added support for the Boehm's garbage collector.
3933 * configure.in: Handle --enable-objc-gc.
3934 * configure: Rebuilt.
3935 * Makefile.in (CHECK_TARGETS): Add check-objc.
3936 (check-objc): New rule.
3937 * objc/Make-lang.in: Build a different Objective-C library that
3938 runs with the Boehm's collector.
3939 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3940 * objc/encoding.c: Correctly compute the size of compound types in
3941 the presence of bitfields. Skip the variable name of the type if
3942 any. Added support for long long.
3943 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3944 (_F_GCINVISIBLE): New mask.
3945 * objc/gc.c: New file. Compute the type memory mask associated with
3946 a class based on the runtime information.
3947 * objc/misc.c: Added the hooks that use the Boehm's collector
3948 allocation functions.
3949 * objc/objc-act.c (build_class_template): Generate a new class
3950 member (gc_object_type) to hold the class' type memory mask.
3951 (build_shared_structure_initializer): Initialize the new member to
3953 (encode_complete_bitfield): New function. Generate the new
3955 (encode_field_decl): Generate the new encoding only for the GNU
3957 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3959 (class_get_gc_object_type): New function to mark a pointer instance
3960 variable as a weak pointer.
3961 * objc/objc-features.texi: New file.
3962 * objc/objc.h (gc_object_type): New class member.
3963 * objc/objects.c (class_create_instance): Create a typed memory
3964 object when compiled with Boehm's collector support.
3965 * objc/sendmsg.c (__objc_init_install_dtable): Call
3966 __objc_send_initialize instead of setting the initialize flag.
3967 (__objc_send_initialize): Call __objc_generate_gc_type_description
3968 to generate the class type memory mask. Rewrite the code that
3969 sends the +initialize so that it is called only once (bug report
3970 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3971 * testsuite/objc: New testsuite for Objective-C type encoding.
3972 * testsuite/lib/objc-torture.exp: New file.
3973 * testsuite/lib/objc.exp: New file.
3975 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3977 * jump.c (jump_optimize): In if/then/else transformations, add
3978 another call to modified_between_p for the jump insn.
3980 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3982 * fix-header.c (symlink): Treat like readlink.
3984 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3986 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3989 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3991 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3992 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3993 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3995 * config/nextstep.c (handle_pragma): Take three arguments, as per
3996 the new HANDLE_PRAGMA macro specification.
3997 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3998 per the new HANDLE_PRAGMA macro specification.
3999 * config/i960/i960.c (process_pragma): Take three arguments, as
4000 per the new HANDLE_PRAGMA macro specification.
4002 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4004 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4005 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4006 if unknown pragmas are encountered.
4007 (handle_sysv_pragma): Interpret return code from
4008 handle_pragma_token (). Return success/failure indication rather
4009 than next unprocessed character.
4010 (pragma_getc): New function: retrieves characters from the
4011 input stream. Defined when HANDLE_PRAGMA is enabled.
4012 (pragma_ungetc): New function: replaces characters back into the
4013 input stream. Defined when HANDLE_PRAGMA is enabled.
4015 * c-pragma.c (handle_pragma_token): Return success/failure status
4018 * c-pragma.h: Change prototype of handle_pragma_token().
4020 * varasm.c: (handle_pragma_weak): Only create this function if
4021 HANDLE_PRAGMA_WEAK is defined.
4023 * c-common,c (decl_attributes): If defined call the expression
4024 contained within the INSERT_ATTRIBUTES macro before adding
4025 attributes to a decl.
4027 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4028 HANDLE_PRAGMA, which takes three arguments.
4029 (INSERT_ATTRIBUTES): Document this new macro.
4031 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4032 new INSERT_ATTRIBUTES macro.
4034 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4036 * config/sparc/sparc.md (movdf): Only generate special RTL for
4037 LABEL_REFs when PIC.
4038 (move_label_di): Remove
4039 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4040 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4041 references when PIC.
4042 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4043 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4044 output an .xword for all 64-bit cases.
4046 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4048 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4049 alignment, use FUNCTION_BOUNDARY instead.
4050 (sparc_output_deferred_case_vectors): Likewise.
4052 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4054 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4055 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4057 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4059 * alpha/va_list.h: New file.
4060 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4062 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4064 * NEWS: Add SCO Openserver and Unixware 7 notes.
4068 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4070 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4071 (record_constant_1): Handle RANGE_EXPR.
4073 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4075 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4076 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4077 and NOTE_INSN_RANGE_END specially.
4078 (reemit_notes): Likewise.
4080 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4082 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4083 (ultrasparc_sched_init): Remove unneeded &.
4085 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4087 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4088 for m68020-60, to prevent the use of fintrz.
4090 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4092 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4094 * Makefile.in: Likewise.
4095 * configure: Regenerated.
4097 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4099 * configure.in (gxx_include_dir): Changed to
4100 '${prefix}/include/g++'-${libstdcxx_interface}.
4101 * configure: Rebuilt.
4103 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4105 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4107 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4108 *sequences* *below* which scalar moves will be used.
4110 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4112 * collect2.c (mktemp): Delete unused declaration.
4114 * config/xm-netbsd.h: Remove unnecessary file.
4115 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4116 file anymore, it is not needed.
4118 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4120 * convert.c (convert_to_integer): Issue an error on conversions to
4123 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4125 * Makefile.in: Add lang_tree_files and gencheck.h.
4126 * configure.in: Generate them.
4127 * gencheck.c: Include gencheck.h.
4129 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4131 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4132 movdi_lo_sum_pic and movdi_high_pic and make visible.
4133 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4134 emit these when Pmode is not SImode.
4135 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4137 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4139 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4140 .linkonce directive after the first time.
4142 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4144 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4145 the clobbered operand overlaps with an input.
4146 (bne0_di): Similarly.
4148 * Makefile.in (INSTALL): Remove "--no-header" argument.
4150 * NEWS: Various updates.
4152 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4154 * config/sparc/sparc.c (arith_operand, const64_operand,
4155 const64_high_operand, arith_double_4096_operand): Mark mode as
4157 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4159 (sparc_emit_set_const64): Remove unused variable i.
4160 (sparc_splitdi_legitimate): Likewise for addr_part.
4161 (ultra_code_from_mask): Likewise for mask.
4162 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4163 reverse return values so it matches usage and comments.
4164 (ultra_flush_pipeline): Likewise.
4165 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4166 this_type, and allow loads and stores of differing FP modes as
4167 they do not create a conflict.
4168 (ultra_find_type): Initialize fpmode to SFmode, fix
4169 parenthesization thinkos in large conditional.
4170 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4171 Init free_slot_mask after ultra_cur_hist is reset, not before.
4172 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4173 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4174 use ultra_flush_pipeline instead, then re-init group pointer.
4175 Fix statement with no effect. If no progress made in, and no
4176 instructions scheduled at all, advance to new pipeline cycle else
4177 we get into an endless loop.
4178 (ultrasparc_adjust_cost): Remove previous arg.
4179 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4181 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4183 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4184 code. Use reg_overlap_mentioned_p to detect when source and
4185 destination overlap.
4186 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4188 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4190 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4191 COMPARISON_VAL, into invariant_p.
4193 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4195 * regmove.c (regclass_compatible_p): New function.
4196 (regmove_optimize): Use it.
4198 Use NREGS parameter insted of calling max_reg_num.
4200 (fixup_match_1): Don't use code = MINUS when later tieing with
4201 a hard register is likely.
4203 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4205 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4206 COMPARISON_VAL was normalized.
4208 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4210 * loop.c (check_dbra_loop): The loop ending comparison value
4211 must be an invariant or we can not reverse the loop.
4213 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4214 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4216 (load_mems_and_recount_loop_regs_set): Likewise.
4218 * i386.c (print_operand): Remove obsolete 'c' docs.
4220 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4222 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4223 * frame.c (init_object_mutex): New function.
4224 (init_object_mutex_once): Likewise.
4225 (find_fde): Call it.
4226 (__register_frame_info): Likewise.
4227 (__register_frame_info_table): Likewise.
4228 (__deregister_frame_info): Likewise.
4230 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4232 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4234 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4236 * loop.c (check_dbra_loop): Enable code for reversal
4237 of some loops without a known constant loop end.
4239 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4241 * haifa-sched.c (last_clock_var): New.
4242 (schedule_block): Initialize it.
4243 (schedule_insn): Use it to fill insn modes with issue information.
4245 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4246 Tag trapb and next insn with TImode.
4247 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4248 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4249 Invoke alphaev5_align_insns as appropriate.
4250 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4251 (MD_SCHED_VARIABLE_ISSUE): New.
4252 * alpha.md (attr type): Add multi.
4253 (define_asm_attributes): New.
4254 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4255 (arg_home): Likewise.
4256 (fnop, unop, realign): New.
4258 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4260 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4261 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4263 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4264 (rs6000-ibm-aix4.[12]*): Likewise.
4265 * configure: Regnerate.
4267 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4269 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4270 already contains the return address.
4272 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4274 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4275 word sized hunks when loading unaligned args into registers.
4277 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4278 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4280 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4282 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4284 * loop.c (check_dbra_loop): Add some code that would allow reversal
4285 of some loops without a known constant loop end if it were enabled.
4287 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4289 * mips.md (lshrsi3_internal2+2): Fix type-o.
4291 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4293 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4294 correctly with regards to stdio.h.
4296 * calls.c: Remove stdarg.h/varargs.h.
4299 * combine.c: Likewise.
4300 * cpperror.c: Likewise.
4301 * cpplib.c: Likewise.
4302 * cpplib.h: Likewise.
4303 * doprint.c: Likewise.
4304 * emit-rtl.c: Likewise.
4305 * final.c: Likewise.
4306 * fix-header.c: Likewise.
4308 * genattr.c: Likewise.
4309 * genattrtab.c: Likewise.
4310 * gencodes.c: Likewise.
4311 * genconfig.c: Likewise.
4312 * genemit.c: Likewise.
4313 * genextract.c: Likewise.
4314 * genflags.c: Likewise.
4315 * genopinit.c: Likewise.
4316 * genoutput.c: Likewise.
4317 * genpeep.c: Likewise.
4318 * genrecog.c: Likewise.
4319 * mips-tfile.c: Likewise.
4320 * prefix.c: Likewise.
4321 * protoize.c: Likewise.
4322 * regmove.c: Likewise.
4323 * toplev.c: Likewise.
4326 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4328 * config/sparc/sparc.c (sparc_override_options): If not
4329 TARGET_FPU, turn off TARGET_VIS.
4330 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4331 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4332 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4333 (movdi_insn_sp64): Add VIS fzero alternative.
4334 (clear_sf, clear_df): New VIS patterns.
4335 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4337 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4339 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4341 * loop.c (n_times_set, n_times_used, may_not_optimize,
4342 reg_single_usage): Convert to varrays. All uses changed.
4343 (insert_loop_mem): Return a value.
4344 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4345 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4348 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4351 * configure.in: Do not set thread_file to "irix" since no such
4354 * sparc.md (float abs/neg splits): Check reload_completed before
4355 calling alter_subreg.
4357 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4359 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4361 * config/sparc/sparc.h: Declare it.
4362 * config/sparc/sparc.md (float abs/neg splits): Use it.
4363 (all other splits): Handle SUBREGs properly where necessary.
4364 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4366 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4368 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4369 an insn on the unfilled_slots_list that has no delay slots.
4370 (fill_eager_delay_slots): Similarly.
4372 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4374 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4375 as an ordinary operand.
4377 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4379 * tree.c (valid_machine_attribute): Don't apply attributes to both
4382 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4384 * reload.c (operands_match_p): Handle rtvecs.
4386 * i386.c (legitimate_pic_address_disp_p): New.
4387 (legitimate_address_p): Use it.
4388 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4389 Handle constant pool symbols just like statics.
4390 (emit_pic_move): Use Pmode not SImode for clarity.
4391 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4392 [UNSPEC]: New, handling what we killed above.
4393 [PLUS]: Detect and abort on invalid symbol arithmetic.
4394 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4396 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4398 * alias.c: Include output.h.
4399 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4400 different if we're in a varargs function.
4401 * Makefile.in (alias.o): Depend on output.h
4403 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4405 * sh.h (GIV_SORT_CRITERION): Delete.
4407 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4409 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4410 * stupid.c (stupid_life_analysis): Ditto.
4411 * reload1.c (reload): Ditto.
4413 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4415 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4416 arith_double_4096_operand, arith_double_add_operand): New
4418 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4419 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4420 them to transform add/sub 4096 into add/sub -4096.
4422 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4424 * loop.c (scan_loop): Allocate some slop to handle pseudos
4425 generated by move_movables.
4426 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4429 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4431 * tree.def (DECL_RESULT): Correct documentation.
4433 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4435 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4436 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4437 conflicts will all RELOAD_FOR_OUTPUT reloads.
4439 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4440 loads the function result, substitute with a USE.
4442 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4444 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4445 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4446 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4447 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4448 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4449 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4451 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4452 'o' to 'm' for GPR variant constraints.
4454 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4456 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4458 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4460 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4461 when the source and destination overlap.
4463 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4464 clash with global type.
4466 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4468 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4470 * c-common.c (combine_strings): Also set TREE_READONLY.
4471 Change warn_write_strings to flag_const_strings.
4472 * c-decl.c, c-tree.h: Likewise.
4474 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4476 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4477 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4478 sequence, use SET/IOR instead so CSE can see it.
4479 * config/sparc/sparc.md (movhi_const64_special,
4480 movsi_const64_special): New patterns necessitated by that change.
4481 (movhi_high): Remove.
4482 (movhi_lo_sum): Change to match an IOR.
4483 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4484 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4485 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4486 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4487 registers are involved.
4488 (snesi_zero_extend split): Remove reload_completed test.
4489 (unnamed plus and minus zero_extend sidi splits): Add it.
4491 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4493 * extend.texi: Remove description of extension to explicit
4494 instantiation that is now endorsed by standard C++.
4496 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4498 * config/arc/arc.c (arc_initialize_pic): Remove.
4499 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4500 nothing on any platform and is invoked by no-one, it does not even
4501 appear in the documentation.
4502 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4503 * config/sparc/sparc.c (initialize_pic): Likewise.
4504 (find_addr_reg): Remove this as well, no longer referenced after
4507 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4509 * recog.c (validate_replace_rtx_group): New function.
4510 * recog.h (validate_replace_rtx_group): Declare it.
4511 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4512 the entire group of substitutions.
4514 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4516 * loop.c (load_mems): Fix initializers.
4518 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4520 * config/sparc/sparc.md (TFmode splits): Handle destination
4521 registers being referenced in the address correctly.
4523 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4524 TREE_UNSIGNED, when bitsize of type's mode is larger than
4525 HOST_BITS_PER_WIDE_INT.
4527 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4529 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4530 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4531 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4533 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4536 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4538 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4539 * h8300.h (TINY_DATA_NAME_P): Likewise.
4540 (STRIP_NAME_ENCODING): Handle '&'.
4542 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4543 register (it could be accessed via an outer SUBREG).
4544 (REG_OK_FOR_BASE_P): Likewwise.
4545 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4547 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4550 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4552 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4554 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4555 must be offsettable so the splits can be made.
4557 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4559 * config/i386/winnt.c: Include system.h, not stdio.h to get
4560 sys/param.h pulled in before rtl.h in case the system defines MIN
4563 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4565 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4567 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4569 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4571 * cpplib.c (cpp_define): Handle macros with parameters.
4573 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4575 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4576 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4577 and DImode 64-bit. Use llong for minimal-toc SFmode and
4578 SYMBOL_REF / LABEL_REF 64-bit.
4579 (output_function_profiler): Use llong for profiler label and ld to
4580 load 64-bit label address.
4582 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4584 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4587 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4589 * version.c: Bump for snapshot.
4591 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4593 * version.c: Bump for snapshot.
4595 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4597 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4599 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4601 * tm.texi (Misc): Fix typo "teh".
4603 * tm.texi (PIC): Fix typo "PPIC".
4605 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4606 effect when -O2 and higher.
4607 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4609 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4611 * regclass.c: Changed register set documentation to be consistent
4614 * final.c (final_start_function) Removed redundant test for
4617 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4619 * rtl.h (rtx_function): New type.
4620 (for_each_rtx): New function.
4621 * rtlanal.c (for_each_rtx): Define it.
4623 * recog.c (change_t): New type.
4624 (change_objects, change_old_codes, change_locs, change_olds):
4626 (changes): New variable.
4627 (validate_change): Dynamically allocate room for more changes, if
4628 necessary. Uses changes array instead of change_objects, etc.
4629 (apply_change_group): Use changes array instead of
4630 change_objects, etc.
4632 * loop.c (loop_mem_info): New type.
4633 (loop_mems): New variable.
4634 (loop_mems_idx): Likewise.
4635 (looop_mems_allocated): Likewise.
4636 (scan_loop): Remove nregs parameter.
4637 (next_insn_in_loop): New function.
4638 (load_mems_and_recount_loop_regs_set): Likewise.
4639 (load_mems): Likewise.
4640 (insert_loop_mem): Likewise.
4641 (replace_loop_mem): Likewise.
4642 (replace_label): Likewise.
4643 (INSN_IN_RANGE_P): New macro.
4644 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4645 (scan_loop): Remove nregs parameter, compute it after any new
4646 registers are created by load_mems. Use INSN_IN_RANGE_P and
4647 next_insn_in_loop rather than expanding them inline. Call
4648 load_mems to load memory into pseudos, if appropriate.
4649 (prescan_loop): Figure out whether or not there are jumps from the
4650 loop to targets other than the label immediately following the
4651 loop. Call insert_loop_mem to notice all the MEMs used in the
4652 loop, if it could be safe to pull MEMs into REGs for the duration
4654 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4656 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4658 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4660 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4662 * config/sparc/sparc.c (finalize_pic): Check for the correct
4663 nonlocal_goto_receiver UNSPEC number.
4664 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4665 making note of this dependency existing in sparc.c
4666 (negtf2_notv9 split): Give NEG SFmode.
4667 (negsf2): Fix insn output string.
4669 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4671 * c-common.c (decl_attributes): Issue an error if the argument
4672 to alias is not a string.
4674 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4676 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4677 pending memory flush list.
4679 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4681 (try_combine): Allow combining insns with REG_LIBCALL notes.
4683 * expr.c (emit_block_move): Do not call memcpy as a libcall
4684 instead build up a CALL_EXPR and call it like any other
4686 (clear_storage): Similarly for memset.
4688 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4691 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4694 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4695 and REG_LIVE_LENGTH as successful substitutions are made.
4697 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4699 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4700 statement after end of loop label.
4702 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4704 * config/sparc/sparc.c (ultra_types_avail): New variable.
4705 (ultra_build_types_avail): New function to record mask of insn
4706 types in ready list at this cycle.
4707 (ultrasparc_sched_reorder): Call it.
4708 (ultra_find_type): Use it to quicken the search. Also simplif
4709 dependency check, don't use rtx_equal_p because we know exactly
4710 what we are looking for.
4712 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4714 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4715 for architecture v4.
4717 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4719 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4721 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4722 movdf_const_intreg and helper splits): New patterns to move float
4723 constants into integer registers.
4724 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4727 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4730 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4732 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4734 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4735 a BASE_REGS register is needed as an intermediate when copying
4736 a symbolic value into any register class other than BASE_REGS.
4738 * expr.c (move_by_pieces): No longer static. Remove prototype.
4739 * rtl.h (move_by_pieces): Add extern prototype.
4740 * mips.c (expand_block_move): Handle aligned straight line copy by
4741 calling move_by_pieces.
4743 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4746 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4748 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4749 jumps out of the loop to be treated as part of the exit test.
4751 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4752 Jeff Law <law@cygnus.com>
4754 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4755 * cplus-dem.c: Delete.
4757 * Makefile.in (fold-const.o): depend on $(RTL_H).
4759 * fold-const.c: Include rtl.h to get the prototype for
4760 `set_identifier_local_value'.
4762 * loop.c (express_from_1): Remove unused variable `tmp'.
4763 (combine_givs): cast the first argument of bzero to char *.
4765 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4767 * c-decl.c (init_decl_processing): Remove unneeded &.
4769 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4771 * except.c (set_exception_lang_code, set_exception_version_code):
4772 Change parameter from `short' to `int' to avoid using a gcc
4775 * except.h (set_exception_lang_code, set_exception_version_code):
4776 Likewise for prototypes.
4778 * flow.c (count_reg_references): Remove unused variables `regno'
4781 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4783 * prefix.c (translate_name): Cast the result of `alloca'.
4785 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4787 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4789 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4791 (valid_dbcc_comparison_p): Mark mode argument as unused.
4792 (symbolic_operand): Likewise.
4793 (legitimize_pic_address): Likewise.
4794 (const_uint32_operand): Likewise.
4795 (const_sint32_operand): Likewise.
4796 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4797 schedule_insns and comment out rest of file.
4799 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4801 (output_move_[hq]imode): Likewise.
4803 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4805 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4806 * invoke.texi: Corresponding changes.
4808 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4810 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4812 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4814 * config/sparc/sparc.c (ultra_code_from_mask,
4815 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4816 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4817 ultrasparc_sched_init, ultrasparc_variable_issue,
4818 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4819 functions to describe UltraSPARC pipeline exactly to Haifa.
4820 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4821 as there is nothing the scheduler can do about it. Indicate that
4822 REG_DEP_OUTPUT's collide. Fixup formatting.
4823 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4824 divide costs on Ultra for DImode.
4825 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4827 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4828 ieuN and add call_no_delay_slot to type list.
4829 (cti function unit): New unit for branches on UltraSPARC.
4830 (subx/addx insns): Set type to misc.
4831 (sidi zero/sign extension insns on arch64): Set type to shift.
4832 (sign_extendhidi2_insn): Set type to sload.
4834 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4836 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4837 (output_epilog): Use if != 0 for offset.
4838 (rs6000_fatal_bad_address): Prepare for Intl.
4839 * rs6000.h (rs6000_fatal_bad_address): Declare.
4840 * rs6000.md (movsfcc, movdfcc): Use else if.
4841 (elf_high): Use {liu|lis}.
4842 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4843 (movsi): Use rs6000_fatal_bad_address.
4845 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4847 * reload.c (find_equiv_reg): Reject equivalences separated
4848 by a volatile instruction.
4850 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4852 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4854 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4856 * alpha.md (movsicc): Fix mode mismatch.
4858 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4860 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4862 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4864 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4866 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4867 write-only modifier from operand 1 constraint.
4869 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4871 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4872 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4874 (sparc_emit_set_const64): Likewise, also when computing trailing
4875 bits do not negate low_bits and make fast_int an int.
4877 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4879 * loop.c (add_label_notes): Do not ignore references to labels
4880 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4881 * gcse.c (add_label_notes): Similarly.
4883 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4885 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4886 (adddi_dishl32): Similarly.
4888 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4890 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4891 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4892 * cse.c (cse_basic_block): Add parens to shut up warnings.
4894 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4896 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4897 sparc_emit_set_const64_longway, const64_is_2insns,
4898 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4899 in 64-bit constant formation.
4900 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4901 rtl for addx not subx.
4902 (define_insn movdi_const64_special): Make available even when
4903 HOST_BITS_PER_WIDE_INT is not 64.
4904 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4905 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4906 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4907 instances of operand 1 inside a QI subreg.
4908 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4909 (one_cmpldi2_sp64): Fix output string.
4910 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4912 (unnamed arch64 ashift DI): Truncate shift count if greater than
4915 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4917 * expr.c (store_expr): Don't optimize away load-store pair
4918 when either source or destination have a side effect.
4920 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4922 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4923 operands of SET are incompatible.
4925 * alpha.md: Fix max and min patterns so modes of SET operands match.
4927 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4929 * configure.in: Avoid [[ by using test and changequote.
4930 * configure: Rebuild.
4932 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4934 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4936 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4937 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4938 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4939 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4940 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4941 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4942 Fix mismatching modes in SET operands.
4943 (conditional move patterns): Fix formatting.
4944 (unnamed subx arch64 pattern): Remove duplicate insn.
4946 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4948 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4949 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4950 (input_operand): Fixup test for what we accept for constant
4952 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4954 (safe_constDI): Remove.
4955 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4956 gen_safe_XOR64): New functions.
4957 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4958 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4960 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4961 available when HOST_BITS_PER_WIDE_INT is not 64.
4962 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4963 move before movdi_insn_sp64 pattern.
4964 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4965 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4966 symbolic_operand as predicate for second operand.
4967 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4968 expander): Give set VOIDmode.
4970 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4972 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4974 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4976 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4978 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4980 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4982 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4984 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4986 * install.texi: Various SCO OpenServer tweaks.
4988 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4990 * reload1.c (eliminate_regs_in_insn): Handle another case when
4991 eliminating the frame pointer to the hard frame pointer. Add
4992 missing ep->to_rtx check to one existing case.
4994 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4996 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4998 * tree.h: De-conditionalize init_priority code.
5000 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5001 * collect2.c (NM_FLAGS): Change from -p to -n.
5003 * configure.in: Turn on collect2 for mipstx39-elf.
5004 Handle use_collect2=no properly.
5006 * c-common.c: De-conditionalize init_priority code.
5007 * collect2.c (extract_init_priority, sort_ids): New fns.
5008 (main): Call sort_ids.
5009 Move sequence_number to file scope.
5011 * configure.in: Handle --enable-init-priority.
5012 * c-common.c (attrs): Add A_INIT_PRIORITY.
5013 (init_attributes, decl_attributes): Likewise.
5014 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5015 * tree.c (get_file_function_name_long): Split out...
5016 (get_file_function_name): ...from here.
5018 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5020 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5023 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5025 * toplev.c (display_help): Add braces to shut up warnings.
5026 * tree.c (simple_cst_equal): Likewise.
5028 * fold-const.c (non_lvalue): Don't deal with null pointer
5030 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5032 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5033 of any size to a pointer.
5035 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5037 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5039 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5041 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5042 which will be saved.
5043 * mn10300.md (prologue insn): Only save registers which need saving.
5044 (epilogue insn): Similarly.
5046 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5049 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5051 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5052 VAR_DECL's in gp addressable sections.
5054 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5056 * sparc.c: Change return <exp> to <exp>; return; in functions
5058 * sparc.md: Add empty semicolon statement after final label in
5061 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5063 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5064 addx_extend_sp64, only allow when TARGET_ARCH64.
5065 (define_insn addx_extend_sp32 and split): Version that works when
5067 (define_insn subx_extend): Likewise.
5068 (define_split adddi3 and subdi3 with zero extension): Fixup and
5069 correct bugs when not TARGET_ARCH64.
5071 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5073 * except.c (set_exception_lang_code, set_exception_version_code):
5074 Use prototype-style definition if __STDC__, to match declaration
5077 * genemit.c: Change FAIL and DONE macros not to use loops.
5079 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5081 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5082 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5084 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5086 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5088 * README.g77: Update from Craig.
5090 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5092 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5094 (safe_constDI sparc_emit_set_const64_quick1,
5095 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5096 analyze_64bit_constant, const64_is_2insns,
5097 create_simple_focus_bits): Fix some bugs when compiled on real
5099 (function_arg_record_value_3, function_arg_record_value_2,
5100 function_arg_record_value): Add fully prototyped forward decls.
5101 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5102 to cmpsi_insn and use on both 64 and 32 bit targets.
5103 (define_insn cmpsi_insn_sp64): Remove.
5104 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5105 (define_insn zero_extendsidi2_insn): Rename to
5106 zero_extendsidi2_insn_sp64.
5107 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5108 assosciated forced split for it.
5110 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5112 * config/sparc/sparc.h: Declare them.
5113 (PREDICATE_CODES): Add them.
5114 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5115 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5117 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5119 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5120 in v9 case as the latter makes the Solaris assembler crash.
5122 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5124 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5125 for TFmode when !v9. We require offsettable memory addresses.
5126 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5127 DFmode register number conversions.
5128 * config/sparc/sparc.md (define_split DFmode moves): If register
5129 is a SUBREG do alter_subreg on it before using.
5130 (define_expand movtf): Fixup comment about alignment on v9.
5131 (define_split TFmode moves): Don't use gen_{high,low}part, create
5132 explicit SUBREGs instead.
5134 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5136 * Makefile.in (mbchar.o): Depend on mbchar.c.
5138 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5139 Richard Henderson <rth@cygnus.com>
5141 Rewrite Sparc backend for better code generation and
5142 improved sparc64 support.
5143 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5145 * config/sparc/sysv4.h: Likewise.
5146 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5147 move_operand, v8plus_regcmp_op, emit_move_sequence,
5148 singlemove_string, doublemove_string, mem_aligned_8,
5149 output_move_double, output_move_quad, output_fp_move_double,
5150 move_quad_direction, output_fp_move_quad, output_scc_insn):
5152 (small_int_or_double): New predicate.
5153 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5154 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5155 old pic_{sethi,lo_sum}_si patterns.
5156 (mem_min_alignment): New generic function to replace
5157 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5158 available and can test for arbitrary alignments. All callers
5160 (save_regs, restore_regs, build_big_number,
5161 output_function_prologue, output_cbranch, output_return,
5162 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5163 sparc_flat_output_function_epilogue): Prettify
5165 (output_function_epilogue): Likewise and add code to output
5166 deferred case vectors.
5167 (output_v9branch): Likewise, add new arg INSN and use it to tack
5168 on branch prediction settings. All callers changed.
5169 (print_operand): Likewise and output %l44 for LO_SUMs when
5171 (sparc_splitdi_legitimate): New function to make sure DImode
5172 splits can be run properly when !arch64.
5173 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5174 Reformat example code in comments.
5175 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5176 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5177 of deferred case vectors we need to output.
5178 (sparc_defer_case_vector): Record a case vector.
5179 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5180 sparc_output_deferred_case_vectors): New functions to output them.
5181 (sparc_emit_set_const32): New function to form 32-bit constants in
5182 registers when that requires more than one instruction.
5183 (safe_constDI, sparc_emit_set_const64_quick1,
5184 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5185 analyze_64bit_constant, const64_is_2insns,
5186 create_simple_focus_bits, sparc_emit_set_const64): New functions
5187 which do the same for 64-bit constants when arch64.
5188 (sparc_emit_set_symbolic_const64): New function to emit address
5189 loading for all code models on v9.
5190 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5191 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5192 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5193 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5194 inaccuracies in comments, add symbolic and text_segment operands
5195 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5196 GENERAL_REGS in these cases as a temp REG is needed to load these
5197 addresses into a register properly.
5198 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5200 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5201 quads are guarenteed to have 16-byte alignment.
5202 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5203 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5204 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5205 deferred case vector implementation.
5206 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5207 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5208 Generate "internal label - label" instead of "label - 1b".
5209 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5210 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5211 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5213 (doublemove_string, output_block_move, output_fp_move_double,
5214 output_fp_move_quad, output_move_double, output_move_quad,
5215 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5216 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5217 (sparc_emit_set_const32, sparc_emit_set_const64,
5218 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5219 mem_min_alignment, small_int_or_double): Add externs.
5220 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5221 UNSPEC_VOLATILE in this backend.
5222 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5223 unary to types which execute in it.
5224 (define_function_unit ieu_shift): Rename to ieu0.
5225 (define_function_unit ieu1): New, executes compare, call, and
5226 uncond_branch type insns.
5227 (define_function_units for type fdivs, fdivd, fsqrt): These
5228 execute in the fpu multiply unit not the adder on UltraSparc.
5229 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5230 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5231 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5232 allows the arith_double_operand predicate and rHI constraint when
5234 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5235 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5236 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5237 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5238 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5239 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5240 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5241 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5242 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5243 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5244 sign_extendqihi2_insn, sign_extendqisi2_insn,
5245 sign_extendqidi2_insn, sign_extendhidi2_insn,
5246 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5247 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5248 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5249 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5250 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5251 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5252 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5253 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5254 smulsi3_highpart_v8plus, unnamed subreg mult,
5255 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5256 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5257 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5258 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5259 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5260 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5261 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5262 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5263 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5264 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5265 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5266 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5267 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5268 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5269 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5270 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5271 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5272 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5273 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5274 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5275 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5276 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5277 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5278 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5279 call_address_untyped_struct_value_sp32,
5280 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5281 call_value_symbolic_sp32, call_value_address_sp64,
5282 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5283 flush_register_windows, goto_handler_and_restore,
5284 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5285 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5286 return_addsi, return_di, return_adddi, return_sf, all call+jump
5287 peepholes, trap, unnamed trap insns): Prettify output strings.
5288 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5289 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5290 Likewise and force + implement splits for integer cases.
5291 (define_insn return_sf_no_fpu): Likewise and allow to match when
5292 no-fpu because of our subreg SFmode splits.
5293 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5294 zero_extendqidi2_insn, zero_extendhidi2_insn,
5295 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5296 input_operand for second operand.
5297 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5298 reg_or_0_operand for operand 2 so new splits can use it.
5299 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5300 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5302 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5303 CONST_DOUBLEs for operand 2.
5304 (define_insn move_label_di): Likewise and label distance
5305 optimization because it no longer works with new deferred case
5306 vector scheme. To be revisited.
5307 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5308 and allow reg_or_0_operand and J constraint for second operand.
5309 (define_insn jump): Set branch predict taken on V9.
5310 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5311 new deferred case vector scheme.
5312 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5313 (define_insn negdi2_sp32): Force + implement splits.
5314 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5315 one_cmplsi2_not_liveg0 respectively, and create expander of original
5316 names which emit special rtl for TARGET_LIVE_G0.
5317 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5318 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5319 gen_compare_reg, FAIL instead.
5320 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5321 values when trying to reverse condition codes, if they FAIL then
5323 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5324 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5325 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5326 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5327 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5328 set output string to # to indicate they are mandatory splits.
5329 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5330 pic_sethi_di, move_pic_label_si): Remove.
5331 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5332 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5334 (define_expand movsi_pic_label_ref, define_insn
5335 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5336 expander and insns to handle PIC label references and deferred
5338 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5340 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5341 Rewrite to not use emit_move_sequence, make use of new constant
5342 formation code, and new splits for all multi-insn cases.
5343 (define_insn movqi_insn): Remove sethi case, it can never happen.
5344 Use reg_or_zero_operand instead of const0_rtx explicit test,
5345 use input_operand instead of move_operand for source, and use
5346 general_operand now for dest.
5347 (define_insn movhi_insn): Similar but leave sethi case.
5348 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5349 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5350 movhi_lo_sum respectively, prettify output string.
5351 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5352 register when needed on TARGET_LIVE_G0.
5353 (define_insn movsi_insn): Use general_operand and input_operand
5354 for dest and src respectively. Simplify applicability test.
5355 Prettify output strings, and add clr alternative for J
5357 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5358 deprecated std and reg-reg DI moves): Remove and...
5359 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5360 implementation which uses forced splits for all non-single insn
5362 (define_split DI move cases on !arch64): New splits to handle all
5363 situations of 64-bit double register DImode on 32bit, and
5364 unaligned registers and memory addresses for all subtargets.
5365 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5367 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5368 input_operand for dest and src respectively, prettify output
5370 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5371 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5373 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5374 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5375 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5376 movtf_no_e_insn_sp64) Replace with new
5377 implementation which uses forced splits for all non-single insn
5379 (define_split DF move cases): New splits in similar vein to DI
5381 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5382 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5383 movdi_sp64_insn): Remove old v9 code model and constant loading
5385 (define_insn pic_lo_sum_di, pic_sethi_di,
5386 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5387 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5388 embmedany_sethi, embmedany_losum, embmedany_brsum,
5389 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5390 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5391 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5392 scheme, using unspecs, secondary reloads, and one to one sparc
5393 insn to rtl insn mapping for better scheduling and code gen.
5394 (define_expand reload_indi, reload_outdi): Reload helpers for
5395 MEDANY and EMBMEDANY symbol address loading cases which require a
5397 (define_expand movsicc): Remove v8plus_regcmp cases.
5398 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5399 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5400 cmp_diqi_trunc_set): New patterns used by some of the new scc
5402 (define_insn xordi3_sp64_dbl): New pattern used for constant
5403 formation when crossing from 32-bit targets.
5404 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5406 (define_insn addx, subx): Make visible and prettify.
5407 (define_insn adddi3_insn_sp32): Likewise and force split.
5408 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5409 64bit scc split usage.
5410 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5411 zero_extend, subdi3): Force and implement splits.
5413 * final.c (final_scan_insn): Don't output labels if target
5414 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5417 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5418 don't forget to walk inside SEQUENCESs too as these are what the
5419 delay slot scheduler will create.
5421 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5423 * alpha.md (extxl+1,+2): New patterns to work around
5426 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5428 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5429 caused bad assembly code to be generated.
5431 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5433 * netbsd.h: Fix typo.
5435 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5437 * config.sub: Fix typo.
5439 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5441 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5443 (Running Protoize): Typo: Change "ther" into "other".
5445 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5447 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5448 * m68k/netbsd.h: Likewise.
5449 * ns32k/netbsd.h: Likewise.
5450 * sparc/netbsd.h: Likewise.
5452 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5454 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5455 * ginclude/va-clipper.h (va_list): Likewise.
5457 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5459 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5460 load/store multiple instructions unless user overrides.
5462 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5464 * ns32k/netbsd.h: Fix typo.
5466 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5468 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5469 labels with .debugsym if no parallel insns.
5471 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5473 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5474 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5476 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5478 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5479 (AR_FOR_TARGET): Define.
5481 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5483 * dyn-string.h: New file.
5484 * dyn-string.c: Likewise.
5485 * Makefile.in (OBJS): Add dyn-string.o.
5486 (dwarf2out.o): Add dyn-string.h dependency.
5487 (dyn-string.o): List dependencies.
5488 * dwarf2out.c: Include dyn-string.h.
5489 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5490 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5491 prototype. Use dyn_string_append rather than strcat, throughout.
5492 (addr_to_string): Use dyn_string_t.
5494 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5496 Function entry/exit profiling instrumentation:
5497 * expr.h (profile_function_entry_libfunc,
5498 profile_function_exit_libfunc): Declare new variables.
5499 * optabs.c: Define them here.
5500 (init_optabs): Initialize them.
5501 * tree.h (struct tree_decl): New flag
5502 no_instrument_function_entry_exit.
5503 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5504 * c-decl.c (duplicate_decls): Merge it.
5505 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5506 (init_attributes): Use it for "no_instrument_function".
5507 (decl_attributes): Handle it, for functions that have not yet been
5508 compiled. Set decl flag.
5509 * flags.h (flag_instrument_function_entry_exit): Declare new
5511 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5512 (f_options): New option "instrument-functions".
5513 * function.h (struct function): New field instrument_entry_exit.
5514 * function.c (current_function_instrument_entry_exit): New
5516 (push_function_context_to, pop_function_context_from): Save and
5518 (expand_function_start): Set current_ variable, maybe emit return
5519 label and entry profile call.
5520 (expand_function_end): Maybe emit exit profile call.
5522 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5524 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5525 NON_QI_REG_P, pretend the register is SImode.
5527 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5529 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5530 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5531 manufacturer id for ns32k.
5532 * configure: Regenerated.
5533 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5534 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5535 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5536 * config/m68k/netbsd.h: Same.
5537 * config/ns32k/netbsd.h: Same.
5538 * config/sparc/netbsd.h: Same.
5540 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5542 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5543 or UNROLL_COMPLETELY loop that starts with a jump to its
5546 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5548 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5549 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5550 (print_operand, case 'B'): Don't fall through.
5551 (print_operand, case 'S'): Correct mask begin/end computation.
5552 Use HOST_BITS_PER_WIDE_INT.
5553 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5554 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5555 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5556 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5558 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5560 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5561 constraint from second alternative.
5563 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5565 * configure.in: Fix --without/--disable cases for local-prefix,
5566 gxx-include-dir and checking.
5568 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5570 * configure.in (enable_haifa): Set by default for sparc64 too.
5573 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5575 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5576 * i386/winnt.c (associated_type): New fn.
5577 (i386_pe_valid_type_attribute_p): New fn.
5578 (i386_pe_check_vtable_importexport): Remove.
5579 (i386_pe_dllexport_p): Use associated_type.
5580 (i386_pe_dllimport_p): Likewise.
5582 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5583 * i386.c (i386_valid_type_attribute_p): Also accept
5584 attributes for METHOD_TYPEs.
5586 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5588 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5590 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5592 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5594 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5595 them from generating a new base name for each occurence of
5598 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5600 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5602 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5606 * cplus-dem.c (type_kind_t): New type.
5607 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5608 on this paramter, rather than demangling the type again.
5609 (demangle_integral_value): Pass tk_integral.
5610 (demangle_template_: Pass the value returned from do_type.
5611 (do_type): Return a type_kind_t. Pass tk_integral to
5612 demangle_template_value_parm for array bounds.
5613 (demangle_fund_type): Likewise.
5615 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5617 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5620 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5622 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5624 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5626 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5628 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5631 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5633 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5634 (DEBUGGER_ARG_OFFSET): Likewise.
5636 * mn10300.md (movsf): Remove last change. Not needed.
5638 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5640 * c-lex.c (yylex): Fix boundary conditions in character literal and
5641 string literal loops.
5643 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5645 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5646 being invoked incorrectly.
5648 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5649 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5651 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5652 * configure.in: Added i[34567]86-*-win32
5653 * config.sub: Ditto.
5654 * configure: Rebuilt.
5656 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5658 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5659 the frame pointer and compiling PIC code and reload has not completed.
5661 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5664 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5666 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5668 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5670 * Makefile.in (install-info): Only try to update the info
5671 directory file if it exists in the first place.
5673 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5675 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5677 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5679 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5680 CONST_DOUBLE source.
5682 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5684 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5685 strings as the insertion of USER_LABEL_PREFIX.
5686 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5688 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5691 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5693 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5694 already defined type.
5696 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5698 * expr.c (check_max_integer_computation_mode): Allow conversions
5699 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5700 (expand_expr): Likewise.
5702 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5704 * expr.c (expand_expr): Expand RETURN_EXPR.
5706 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5708 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5710 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5712 * dwarf2out.c (output_aranges): Call stripattributes
5713 for TEXT_SECTION references.
5714 (output_line_info): Likewise.
5716 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5718 * profile.c (branch_prob): Call allocate_reg_info after outputting
5719 profile rtl in instrument_arcs.
5721 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5723 * fixinc.irix (math.h): Install wrapper instead of copying.
5725 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5727 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5728 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5729 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5730 lang_flag_0. Added documentation in the flag table.
5732 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5734 * cccp.c (do_include): Fix vax c style include handling.
5736 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5738 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5740 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5742 * fold-const.c (non_lvalue): Don't deal with null pointer
5744 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5746 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5748 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5749 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5750 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5751 (u_short_cint_operand): Same.
5752 (reg_or_cint_operand): Same.
5753 (logical_operand): Same.
5754 (input_operand): Same.
5755 (reg_or_short_operand): Use u_short_cint_operand.
5757 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5759 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5760 but keep the insns and splits. Adjust so when the ultimate destination
5761 is memory, use cvtql.
5763 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5765 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5767 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5769 * gcc.c (do_spec): Call "error" not "warning".
5771 * configure.in: Fix minor problems with gas feature detection code.
5772 * configure: Rebuilt.
5774 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5777 * gcc.c: Delete %[spec] support.
5778 (do_spec_1, case '('): Likewise.
5779 (do_spec_1, case '['): Call error.
5781 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5783 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5784 (CPP_SUBTARGET_SPEC): Default to empty string.
5785 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5786 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5787 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5788 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5790 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5791 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5792 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5793 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5794 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5795 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5796 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5797 * alpha/vxworks.h: Likewise.
5799 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5801 * mips.md (reload_outsi): Added missing REGNO call.
5802 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5804 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5805 another match_operator and compare the codes.
5807 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5809 * MIPS multiply pattern fixes:
5810 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5811 Add union classes for HI, LO, or HILO plus general registers.
5812 (GENERATE_MADD): Deleted.
5813 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5814 Add TARGET_MAD to condition.
5815 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5816 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5817 "*d" for accumulator, to give preference to LO initially but not
5820 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5822 * configure.in (enable_c_mbchar): New configure option.
5823 (extra_cpp_objs): Always available now.
5825 * cexp.y (mbchar.h): #include it.
5826 (yylex): Handle Multibyte characters in character literals.
5828 * cccp.c (mbchar.h): #include it.
5829 (main): Set character set based on LANG environment variable.
5830 (rescan): Handle multibyte characters in comments.
5831 (skip_if_group): See above.
5832 (validate_else): See above.
5833 (skip_to_end_of_comment): See above.
5834 (macarg1): See above.
5835 (discard_comments): See above.
5836 (rescan): Handle multibyte characters in string and character literals.
5837 (collect_expansion): See above.
5838 (skip_quoted_string): See above.
5839 (macroexpand): See above.
5840 (macarg1): See above.
5841 (discard_comments): See above.
5842 (change_newlines): See above.
5844 * c-lex.c (mbchar.h): #include it.
5845 (GET_ENVIRONMENT): New macro.
5846 (init_lex): Set character set based on LANG environment variable.
5847 (yylex): Handle multibyte characters in character literals.
5848 (yylex): Handle multibyte characters in string literals.
5850 * Makefile.in (mbchar.o): New target.
5851 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5852 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5854 * mbchar.[ch]: New files for multibyte character handling.
5856 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5858 * jump.c (jump_optimize): When simplifying noop moves and
5859 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5860 the PUSHes to rewrite in second loop as we did in the first.
5862 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5864 * cplus-dem.c (demangle_nested_args): Make function definition
5865 static to match the prototype.
5867 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5869 * alloca.c: Respect USE_C_ALLOCA.
5870 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5871 * gengenrtl.c (xmalloc): Likewise.
5873 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5875 * loop.h (struct induction): Add no_const_addval.
5876 * loop.c (the_movables, reg_address_cost): New variables.
5877 (init_loop): Init reg_address_cost.
5878 (loop_optimize): Call end_alias_analysis.
5879 (scan_loop): Init the_movables.
5880 (record_giv): Init induction->no_const_addval.
5881 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5882 [REG]: Rearrange loop search test to catch more cases.
5883 (general_induction_var): Return success not benefit; take an extra
5884 argument for that. Change all callers.
5885 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5886 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5887 [default]: Search the_movables for additional combinations.
5888 (sge_plus_constant, sge_plus): New functions.
5889 (express_from_1): New function.
5890 (express_from): Always define. Rewrite using express_from_1.
5891 (combine_givs_p): Handle more cases. Ignore address cost.
5892 (cmp_combine_givs_stats): New function.
5893 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5894 (combine_givs): Rewrite to do best-fit combination.
5896 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5897 (fold): Do a complete (A*C)+(B*C) association check.
5899 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5901 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5903 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5905 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5907 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5909 * tree.c (valid_machine_attribute): Only create a new type variant if
5910 there is a decl to use it.
5912 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5914 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5917 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5919 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5922 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5924 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5925 Simplify tests for clearing an address register.
5926 (expand_prologue): Corresponding changes.
5928 * mn10300.md (movXX patterns): Make sure the destination is an
5929 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5930 (logical patterns): Split into expanders + patterns
5931 (zero and sign extension patterns): Similarly.
5932 (shift patterns): Similarly.
5934 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5936 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5937 for the sequence, recording base values.
5939 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5941 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5943 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5945 * gcc.c: Remove ANSI-C ism from --help code.
5947 * toplev.c: Support --help with USE_CPPLIB.
5949 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5951 * configure.in: Rework gas feature code to work with symlink based
5954 * extend.texi: Clarify some issues related to local variables
5955 assigned to explicit registers.
5957 * mn10300.md (mulsi): Turn into expander + pattern.
5959 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5962 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5964 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5966 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5968 * version.c: Bump again to distinguish mainline tree from the
5971 See ChangeLog.0 for earlier changes.
5974 add-log-time-format: current-time-string
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