1 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3 * arm.c (add_constant): When taking the address of an item in the
4 pool, get the mode of the item addressed.
6 * arm.c (final_prescan_insn case INSN): If an insn doesn't
7 contain a SET or a PARALLEL, don't consider it for conditional
10 Restore ABI compatibility for NetBSD.
11 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
13 (RETURN_IN_MEMORY): Likewise.
15 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
17 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
18 (m32r_output_block_move): Rewrite bytes < 4 handling.
20 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22 * configure.in: Call AC_FUNC_VFORK.
24 * collect2.c: Define VFORK_STRING as a printable string for
25 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
26 defined, include vfork.h. If VMS is defined, define vfork()
27 appropriately. Remove vfork check on USG, we're using autoconf.
28 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
29 checking locally what string to pass.
30 (scan_prog_file): Likewise.
31 (scan_libraries): Likewise.
33 * gcc.c: Remove vfork check on USG, we're using autoconf.
34 Besides, no calls to vfork/fork occur in this file.
36 * protoize.c: Likewise.
38 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
40 * configure.in (DEFAULT_LINKER): renamed from LD
41 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
42 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
45 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
47 * BUGS: fix the regexp for `more' to find the appropriate node.
48 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
50 * BUGS: added link to the WWW FAQ
52 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
54 * version.c: Bump for snapshot.
56 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
58 * From Christian Gafton:
59 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
60 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
61 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
63 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
65 * c-common.c (c_get_alias_set): Allow all type-punning through
66 unions. Don't get confused about the type of a bit-field, despite
67 the antics of build_modify_expr.
69 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
71 * fixinc.sco: Paramaterize #include_next values.
72 * fixinc/fixinc.sco: Likewise.
74 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
76 * toplev.c (rest_of_compilation): No longer set reload_completed.
77 * reload1.c (reload): Set it here. Perform instruction splitting
78 after reload has completed if we will be running the scheduler
81 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
83 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
84 EH region if exceptions are enabled and we're performing cross
86 (find_cross_jump): Exit loop if the insns are in different EH regions.
88 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
90 * dwarf2out.c (output_call_frame_info): Use
91 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
93 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
95 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
96 * c-common.c (check_format_info): Don't check for the 'x'
97 format character twice, instead check for 'x' and 'X'
99 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
101 * configure.in (assembler features): Also make gas is configured if
102 we find it in the souce tree.
104 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
106 * i386.c (i386_comp_type_attributes): Compare whether the
107 attributes are defined, not their tree nodes.
109 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
111 * configure.in (gxx_include_dir): bitten by autoconf quoting
115 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
117 * configure.in: Ignore non-absolute value in $AS.
119 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
121 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
123 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
125 * configure.in (msdosdjgpp): Set exeext and target_alias.
127 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
129 * flow.c (XNMALLOC): New macro.
130 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
132 (add_edge, add_edge_to_label): New static functions.
133 (free_bb_memory): New function.
134 (flow_delete_insn): Delete function.
135 (basic_block_drops_in): Delete variable.
136 (find_basic_blocks): Allocate and initialize basic_block_head,
137 basic_block_succ. Don't allocate basic_block_drops_in.
138 Call free_bb_memory at the beginning.
139 (find_basic_blocks_1): Don't do multiple passes.
140 Delete code to compute basic_block_drops_in.
141 After calling make_edges, mark blocks reached by current block live.
142 Update test for unreachable live blocks.
143 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
145 Simplify to call add_edge_to_label when a LABEL_REF is found.
146 (make_edges): Simplify to call add_edge_to_label instead of
147 mark_label_ref most of the time.
148 Compute here whether control drops into the next block.
149 (delete_unreachable_blocks): Return void. All callers changed.
150 Delete unreachable blocks in reverse order.
151 After deleting all unreachable blocks, renumber the remaining ones
152 and update n_basic_blocks.
153 (delete_block): Speed up deletion a bit.
154 Don't set basic_block_drops_in for deleted blocks.
155 (free_basic_block_vars): Don't free basic_block_drops_in.
156 (life_analysis_1): Update to use new edge representation.
157 (dump_flow_info): Delete code to print basic block info; call
158 dump_bb_data instead.
159 (compute_preds_succs): Delete code to recompute basic_block_drops_in
160 and uid_block_number.
161 Simply copy the previously computed cfg.
162 (dump_bb_data): New arg LIVE_INFO. All callers changed.
163 Print register lifetime information if LIVE_INFO is nonzero.
164 * basic-block.h (dump_bb_data): Adjust prototype.
165 * gcse.c (gcse_main): Update call to dump_bb_data.
166 * rtl.h (free_bb_memory): Declare.
167 * toplev.c (rest_of_compilation): Call free_bb_memory.
169 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
170 (update_eliminable_offsets): Don't compute it.
171 (set_initial_elim_offsets): Don't initialize it.
172 Break out some code into set_initial_label_offsets so the rest of
173 this function can be called from reload_as_needed.
174 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
175 ELIMINABLE_REGS isn't.
176 (set_initial_label_offsets): New function, broken out of
177 set_initial_elim_offsets.
178 (set_offsets_for_label): New function, broken out of set_label_offsets
179 and reload_as_needed.
180 (reload): Call the two new functions.
181 (reload_as_needed): Call set_initial_elim_offsets instead of
182 duplicating the code. Likewise for set_offsets_for_label.
184 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
185 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
186 any hard reg, reg_reloaded_dead contains valid data.
188 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
190 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
191 "stdcall" and "cdecl" attributes.
193 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
195 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
196 handle deleted no-op moves of hard registers.
197 * haifa-sched.c (update_flow_info): Likewise.
199 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
201 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
202 of the sequences to reload the HILO register which do not actually
205 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
207 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
209 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
211 * except.c (emit_eh_context): Make the EH context register stay alive
212 at -O0 so stupid.c doesn't get confused.
214 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
216 * emit-rtl.c (try_split): Do not try to split a BARRIER.
218 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
219 Jeffrey A Law (law@cygnus.com)
221 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
222 (zero_extendsidi2): Use # in output template and handle completely by
224 (zero_extend splitters): New define_splits.
225 (ashiftrt_32): New pattern.
227 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
229 * tree.c (append_random_chars): New fn.
230 (get_file_function_name_long): Use it.
232 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
234 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
235 (LIBCPP_OBJS): New. Add cppulp.o.
236 (cppmain, fix-header): Depend on and use libcpp.a.
237 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
238 of the individual object files.
239 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
242 * cccp.c (user_label_prefix): New.
243 (main): Set it off -f*leading-underscore.
244 (special_symbol): Use it.
245 * cpplib.c (special_symbol): Likewise.
246 (cpp_handle_option): Handle -f*leading-underscore.
247 * cppulp.c: New file.
249 * output.h (user_label_prefix): Declare it.
250 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
251 * toplev.c (f_options, main): Handle -f*leading-underscore.
253 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
254 referencing USER_LABEL_PREFIX directly.
255 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
256 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
257 * final.c (asm_fprintf): Use user_label_prefix instead.
258 * arm/thumb.c (thumb_print_operand): Likewise.
260 * gcc.c (default_compilers): Pass -f*leading-underscore on to
261 cpp wherever appropriate.
263 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
265 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
266 specific compiler switches.
268 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
270 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
273 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
275 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
276 structure which has exactly the members provided by EXTRA_SPECS.
277 Xmalloc() the real `extra_specs', and initialize it from this
278 intermediate structure.
280 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
282 * mips.h (EXTRA_SPECS): Likewise.
284 * sparc.h (EXTRA_SPECS): Likewise.
286 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
288 * function.c (purge_addressof_1): Instead of aborting when a
289 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
290 work just put the ADDRESSOF on stack. Otherwise remember all such
291 successfull replacements, so that exactly the same replacements
292 can be made on the REG_NOTEs. Remove the special case for CALL
294 (purge_addressof_replacements): New variable.
295 (purge_addressof): Clear it at end.
297 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
299 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
300 (lang_init): Call check_newline always.
301 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
302 cpp_start_read, set yy_cur and yy_lim to read from
303 parse_in.token_buffer, so that we'll see the first #line
305 * cpplib.c (cpp_start_read): finclude the main input file
306 before processing -include/-imacros. Process -imacros and
307 -include separately, and handle -include by stacking a
308 buffer for the file in question as if it'd been #included.
309 * toplev.c (documented_lang_options) Recognize -H when
312 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
314 * cpplib.c: Merge do_once into do_pragma. Break file handling
315 code out of do_include.
316 Move append_include_chain, deps_output,
317 file_cleanup, redundant_include_p, import_hash,
318 lookup_import, add_import, read_filename_string, read_name_map,
319 open_include_file, finclude, safe_read to cppfiles.c.
320 Move prototypes for deps_output, append_include_chain,
321 finclude to cpplib.h. Move definition of struct
322 file_name_list there also.
324 * cppfiles.c: New file. Contains all the above functions
325 broken out of cpplib.c; also hack_vms_include_specification
326 from cccp.c and find_include_file, a new function broken out of
329 * Makefile.in (cppmain): Depend on cppfiles.o.
330 (fix-header): Likewise.
331 (cppfiles.o): New target.
332 * configure.in (--enable-c-cpplib): Add cppfiles.o to
333 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
335 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
337 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
338 if pending_types is non-zero.
339 (dwarfout_finish): Verify pending_types is zero before finishing.
341 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
343 * expr.c (convert_move): Use shifts to perform the move if a
344 suitable extend pattern cannot be found. Code written by
345 Richard Henderson <rth@cygnus.com>.
347 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
349 * regclass.c (renumber, regno_allocated): New static variables, moved
350 out of allocate_reg_info.
351 (allocate_reg_info): Move these two variables outside the function.
352 Move code to free memory into new function free_reg_info.
353 (free_reg_info): New function, broken out of allocate_reg_info.
354 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
355 * rtl.h (allocate_reg_info): Don't declare.
356 (free_reg_info): Declare.
358 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
360 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
362 * toplev.c (compile_file): Temporarily revert last change.
364 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
366 * c-typeck.c (convert_for_assignment): Parenthesize.
368 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
370 * reload1.c (delete_output_reload): Avoid ambigous else.
372 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
374 * toplev.c (compile_file): Call allocate_reg_info to free register
376 * rtl.h (allocate_reg_info): Declare.
378 * PROJECTS: Remove entry for local spilling.
380 * final.c (cleanup_subreg_operands): New function.
381 (final_scan_insn): Use it.
382 (alter_subreg): Clear the "used" field when we turn a SUBREG into
384 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
385 operands when reload has finished.
386 * reload.h (cleanup_subreg_operands): Declare..
387 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
388 reload. Handled in reload itself.
390 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
392 * reload1.c (verify_initial_offsets): New function.
393 (reload): Call it after reload_as_needed. Also verify that the frame
394 size stays constant during reload_as_needed.
395 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
397 * reload.h (struct insn_chain): Add need_operand_change element.
398 * reload1.c (new_insn_chain): Clear it.
399 (calculate_needs_all_insns): Set it; don't overload need_reload.
400 (reload_as_needed): Use it.
402 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
403 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
404 and reload_address_index_reg_class.
405 (find_reloads_address_1): Likewise.
406 * reload.h (reload_address_base_reg_class,
407 reload_address_index_reg_class): Don't declare.
408 * reload1.c (reg_old_renumber, pseudo_previous_regs,
409 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
410 (used_spill_regs): Now static.
411 (reload_address_base_reg_class, reload_address_index_reg_class,
412 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
413 basic_block_needs, max_needs, group_size, group_mode, max_groups,
414 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
417 (init_reload): Delete code to compute base/index reg classes.
418 (reload): Delete variable J.
419 Delete code to manage basic_block_needs.
420 Don't compute regs_explicitly_used.
421 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
422 pseudo_previous_regs.
423 Initialize bad_spill_regs_global.
424 Don't call order_regs_for_reload here.
425 Don't initialize spill_reg_order and n_spills.
426 Don't forbid explicitly used regs to be used for spill regs.
427 Change main loop to infinite loop, with explicit break statements.
428 Make SOMETHING_CHANGED variable local to that loop.
429 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
430 max_groups_insn, max_nongroups_insn, group_size, group_mode.
431 Make sure spilled_speudos is cleared before calling spill_hard_reg or
433 Don't call dump_needs.
434 Delete code to reset potential_reload_regs.
435 Delete code to terminate loop conditional on the global needs variables
436 showing no further needs.
437 (calculate_needs_all_insns): Return void. All callers changed.
438 Initialize somehing_needs_elimination here, not in reload.
439 Delete avoid_return_reg kludge.
440 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
442 Initialize the group_mode and group_size elements of the arg CHAIN.
443 Delete code to manage basic_block_needs.
444 Operate on elements of CHAIN instead of global variables.
445 Delete avoid_return_reg kludge.
446 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
448 Operate on elements of CHAIN instead of global variables.
449 Delete special SMALL_REGISTER_CLASSES code.
450 Delete spill_failure code; now in new_spill_reg.
451 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
453 Operate on elements of CHAIN instead of global variables.
454 (maybe_mark_pseudo_spilled): New static function.
455 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
457 Operate on elements of CHAIN instead of global variables.
458 Call order_regs_for_reload here, not in reload.
459 Initialize spill_reg_order and n_spills.
460 Simplify test whether an asm insn is involved.
461 Delete spill_failure code; now in new_spill_reg.
462 Call maybe_mark_pseudo_spilled for everything marked as live in
463 CHAIN. Merge CHAIN's used_spill_regs into the global variable
465 (dump_needs): Take CHAIN arg. No longer static, to prevent the
466 compiler from optimizing this function (now unused) away.
467 Operate on elements of CHAIN instead of global variables.
468 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
470 Operate on elements of CHAIN instead of global variables.
471 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
472 take CHAIN arg. All callers changed.
473 Operate on elements of CHAIN instead of global variables.
474 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
475 CHAIN, NONGROUP args. Return void. All callers changed.
476 Verify caller isn't trying to spill a pseudo.
477 Simplify test for illegal reg, just use bad_spill_regs.
478 Generate better error messages.
479 Operate on elements of CHAIN instead of global variables.
480 Mark spilled register in CHAIN's used_spill_regs element.
481 Don't call spill_hard_reg.
482 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
483 Mark spilled hard regs in bad_spill_regs_global.
484 Mark affected pseudos in spilled_pseudos, but don't spill them.
485 (ior_hard_reg_set): New static function.
486 (finish_spills): Return int. All callers changed.
487 Compute spill_reg_order, n_spills and spill_regs here. Also update
488 regs_ever_live for regs used as spills.
489 For every pseudo in spilled_pseudos, spill it and mark the previous
490 hard reg it had in pseudo_previous_regs. Compute which hard regs
491 arseudo): New static function.
492 (order_regs_for_reload): Take CHAIN arg. All callers changed.
493 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
494 hard registers explicitly used across the current insn into the set.
495 Compute hard_reg_n_uses taking only pseudos live across this insn
497 Tweak sorting of potential_reload_regs.
498 (compare_spill_regs): Delete function.
499 (reload_as_needed): Don't sort the spill_regs array, it's computed
500 in proper order in finish_spills.
501 Delete avoid_return_reg kludge.
502 Delete code to manage basic_block_needs.
503 (allocate_reload_reg): Minor speed/readability tweaks.
504 Operate on elements of CHAIN instead of global variables.
505 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
506 Delete avoid_return_reg kludge.
507 Initialize reload_reg_used from CHAIN's used_spill_regs element.
508 Delete unused label FAIL.
509 (reload_combine): Replce reload_address_index_reg_class with
511 Don't use used_spill_regs to determine information about lifetime of
514 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
516 * toplev.c (display_help): Ignore empty target specific
517 options, and if -W is also specified on the command line then
518 display undocumented options.
520 * config/arm/arm.c: Updated with changes in devo sources.
521 * config/arm/arm.h: Updated with changes in devo sources.
522 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
523 * config/arm/lib1thumb.asm: Add ELF support.
525 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
527 * collect2.c (aix64_flag): New variable.
528 (main, case 'b'): Parse it.
529 (GCC_CHECK_HDR): object magic number must match mode.
530 (scan_prog_file): Only check for shared object if valid header.
531 Print debugging if header/mode mismatch.
533 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
535 Added support for arm-elf-linux configuration, submitted by Philip
536 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
537 code developed by Catherine Moore <clm@cygnus.com>. The following
540 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
543 * configure: Regenerated.
545 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
546 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
547 definitions conditional on their not having been already defined.
549 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
550 and .type directives, and add "(PLT)" qualification to function
553 * config/arm/linux.h: Deleted. This file is now superceeded by
554 either linux-elf.h or linux-aout.h.
556 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
557 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
559 Move definitions from old linux.h file here.
561 * config/arm/elf.h: New file. Generic ARM/ELF support.
563 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
565 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
567 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
568 using the 26bit APCS.
570 * config/arm/unknown-elf.h: New file. Support for OS'es other
573 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
576 * config/arm/coff.h: Include aout.h for basic assembler macros.
577 Add support for -mstructure_size_boundary=<n> command line option.
579 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
580 command line option. Make macro definitions conditional on their
581 not having been already defined.
583 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
587 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
589 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
590 has been changed to not include a newline. Use this macro instead.
591 (output_enumeral_list, const_value_attribute, name_attribute,
592 comp_dir_attribute, prototyped_attribute, producer_attribute,
593 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
594 dwarfout_file_scope_decl, generate_new_sfname_entry,
595 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
596 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
598 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
600 * combine.c (subst): Process the inputs to a parallel asm_operands
603 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
605 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
607 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
609 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
611 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
613 * version.c: Bump for snapshot.
615 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
617 * stmt.c (expand_fixup): Set fixup->before_jump to a
618 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
620 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
622 * Makefile.in (recog.o): Depend on toplev.h.
623 (insn-emit.o): Depend on recog.h.
624 (insn-peep.o): Depend on recog.h and insn-config.h.
626 * combine.c (simplify_set): Remove unused variable `scratches'.
628 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
629 and `idx' in macro conditional controlling their use.
631 * genemit.c (main): Make the generated output file include
632 recog.h. Don't have it declare `insn_operand_constraint', since
633 we get it from recog.h.
635 * genpeep.c (main): Make the generated output file include
636 insn-config.h and recog.h.
638 * recog.c: Include toplev.h.
639 (extract_insn): Remove unused variable `p'.
641 * regclass.c (fix_register): Add missing braces around initializer
643 (allocate_reg_info): Move variable `i' into the scope where it is
644 used. Change its type to `size_t'.
646 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
648 * reload.c (push_reload): When merging reloads, make sure
649 that reload_in_reg and reload_in are from the same reload in
652 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
654 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
655 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
657 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
659 * loop.c (loop_has_tablejump): New variable.
660 (prescan_loop): Scan for it.
661 (insert_bct): Replace explicit scan with use of it.
662 * regclass.c (regclass): Restore loop variable j.
663 (record_reg_classes): Deterine op_types modifiers and initialize
664 classes[i] before matching constraints. Handle matching
667 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
669 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
672 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
674 * mips.h (EXTRA_SPECS): Add missing initializers.
676 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 * sparc.h (EXTRA_SPECS): Add missing initializers.
679 (sparc_defer_case_vector): Provide a prototype.
681 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
682 comparing it to the result of a pointer subtraction.
684 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
687 the argument to (unsigned char).
689 * alpha.h (EXTRA_SPECS): Add missing initializers.
690 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
693 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
695 * flow.c (life_analysis_1): Enable "rescan" code after reload.
696 (propagate_block): Delete dead code after reload.
698 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
699 back Oct 15, 1998 change.
700 * haifa-sched.c (update_flow_info): Likewise.
701 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
703 * mn10200.md (truncated shift): Accept constant inputs too.
705 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
707 * machmode.h (mode_mask_array): No longer const.
708 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
710 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
712 * frame.c: Somewhat explain `FDE'.
713 Suggested by Brendan Kehoe
715 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
717 * expr.c (pending_chain): Move up.
718 (save_expr_status): Do save pending_chain.
719 (restore_expr_status): And restore it.
720 * function.h (struct function): Add pending_chain.
722 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
724 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
725 did not match the code.
727 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
729 * regclass.c (regclass): Break out some code into new function
730 scan_one_insn, and into regclass_init.
731 (init_cost): New static variable, moved out of regclass.
732 (regclass_init): Initialize it here, not in .
733 (scan_one_insn): New static function, broken out of regclass.
734 * recog.c (apply_change_group): Break out some code into new
735 function insn_invalid_p.
736 (insn_invalid_p): New static fn, broken out of apply_change_group.
738 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
740 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
741 reg_reloaded_contents matches incremented pseudo.
743 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
745 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
747 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
748 addressing modes with side effects. These are currently
749 placeholders for the C4x target.
751 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
753 * loop.c (express_from): Make sure that when generating a PLUS of
754 a PLUS, any constant expression appears on the outermost PLUS.
756 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
758 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
759 works if "$(srcdir)" != ".".
761 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
763 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
764 existing SUBREG if we can, otherwise abort.
766 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
768 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
769 `restrict' is applied to a non-pointer variable.
771 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
773 * invoke.texi: Document -flang-isoc9x.
775 * Makefile.in (OBJS): Add splay-tree.o.
776 (c-common.o): Depend on rtl.h.
777 (splay-tree.o): List dependencies and provide build rule.
779 * rtl.h (record_alias_subset): New function.
780 * alias.c: Include splay-tree.h.
781 (alias_set_entry): New type.
782 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
783 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
784 (mems_in_disjoin_alias_sets_p): New function.
785 (alias_set_compare): Likewise.
786 (insert_subset_children): Likewise.
787 (get_alias_set_entry): Likewise.
789 * tree.h (TYPE_RESTRICT): New macro.
790 (TYPE_UNQUALIFIED): New manifest constant.
791 (TYPE_QUAL_CONST): Likewise
792 (TYPE_QUAL_VOLATILE): Likewise.
793 (TYPE_QUAL_RESTRICT): Likewise.
794 (tree_type): Add restrict_flag. Reduce count of free bits.
795 (DECL_POINTER_ALIAS_SET): New macro.
796 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
797 (tree_decl): Add pointer_alias_set.
798 (build_qualified_type): New function.
799 (build_type_variant): Define in terms of build_qualified_type.
800 * tree.c (set_type_quals): New function.
801 (make_node): Initializae DECL_POINTER_ALIAS_SET.
802 (build_type_attribute_variant): Use build_qualified_type and
804 (build_type_variant): Rename, and modify, to become...
805 (build_qualified_type): New function.
806 (build_complex_type): Use set_type_quals.
808 * c-tree.h (C_TYPE_OBJECT_P): New macro.
809 (C_TYPE_FUNCTION_P): Likewise.
810 (C_TYPE_INCOMPLETE_P): Likewise.
811 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
812 (c_apply_type_quals_to_decl): New function.
813 (c_build_qualified_type): New function.
814 (c_build_type_variant): Define in terms of c_build_qualified_type.
815 (flag_isoc9x): Declare.
816 * c-typeck.c (qualify_type): Use c_build_qualified_type.
817 (common_type): Change to use TYPE_QUALS.
818 (comptypes): Likewise.
819 (convert_for_assignment): Likewise.
820 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
821 * c-decl.c (flag_isoc9x): Define.
822 (c_decode_option): Handle -flang-isoc9x.
823 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
824 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
825 * c-lex.c (init_lex): Deal with restrict.
826 (init_lex): Don't treat restrict as a reserved word in
827 -traditional mode, or without -flang-isoc9x.
828 * c-lex.h (rid): Add RID_RESTRICT.
829 * c-parse.gperf (restrict, __restrict, __restrict__): Make
830 equivalent to RID_RESTRICT.
831 * c-parse.in (TYPE_QUAL): Update comment.
832 * c-common.c: Include rtl.h.
833 (c_find_base_decl): New function.
834 (c_build_type_variant): Rename, and modify, to become ...
835 (c_build_qualified_type): New function.
836 (c_apply_type_quals_to_decl): Likewise.
837 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
838 a particular alias set for the reference.
839 * toplev.c (documented_lang_options): Add -flang-isoc9x.
841 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
843 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
844 command line switches.
846 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
848 * reload.c (loc_mentioned_in_p): Add missing braces to bind
851 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
853 * gcc.c (option_map): Added --classpath and --CLASSPATH.
855 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
857 * regclass.c (fix_register): Add error message.
858 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
861 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
863 * c-decl.c (warn_missing_noreturn): New global variable.
864 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
865 (finish_function): Implement missing noreturn warning.
867 * c-tree.h (warn_missing_noreturn): Declare extern.
869 * invoke.texi: Document new flags.
871 * toplev.c (documented_lang_options): Add description.
873 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
875 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
876 loop optimization stable for the C4x.
877 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
878 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
879 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
881 (c4x_address_conflict): Be more paranoid when packing a volatile
882 memref in a parallel load/store.
884 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
886 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
887 repeat_block_filler): Deleted.
888 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
889 Condition code not set if destination register from 'c' class.
890 (*subbqi3_carry_clobber): Fix typo.
892 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
894 * reorg.c (steal_delay_list_from_target) Check for insns that
895 modify the condition codes and effect the direction of the jump
898 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
900 * function.c (purge_addressof_1): Replace call to
901 emit_insns_before() with emit_insn_before().
903 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
905 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
907 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
909 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
911 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
913 * gcse.c (compute_hash_table): Correctly identify hard regs which are
914 clobbered across calls.
916 * loop.c (scan_loop): Be more selective about what invariants are
919 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
921 * version.c: Bump for snapshot.
923 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
925 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
926 static eh_context structure.
928 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
930 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
932 (try_combine): Don't update max_scratch.
933 * flow.c (max_scratch, num_scratch): Delete variables.
934 (life_analysis_1): Don't initialize max_scratch.
935 (propagate_block): Don't update max_scratch.
936 (mark_set_1): Don't increment num_scratch.
937 * regs.h (max_scratch): Delete declaration.
939 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
941 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
942 is nonzero. This is temporary!
944 * sched.c (update_flow_info): Handle death notes made invalid by
945 instruction splitting. Partially reverts Oct 15, 1998 patch.
946 * haifa-sched.c (update_flow_info): Likewise.
948 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
950 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
951 if it has a nonzero DECL_INITIAL.
953 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
955 * Makefile.in (flow.o): Depend on recog.h.
957 * cpplib.h (directive_table): Add missing initializiers.
958 (finclude): Change type of variable `bsize' to size_t.
960 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
962 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
964 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
965 `int' when comparing against one.
966 (cpp_file_line_for_message): Mark parameter `pfile' with
968 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
970 * flow.c: Include recog.h.
971 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
973 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
974 `f' with ATTRIBUTE_UNUSED.
975 (reposition_prologue_and_epilogue_notes): Likewise.
977 * genopinit.c (gen_insn): Cast argument of ctype functions to
980 * haifa-sched.c: Include recog.h.
981 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
982 comparing against one.
984 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
986 * mips-tfile.c (parse_end): Cast the argument of ctype function to
988 (parse_ent): Likewise.
989 (parse_input): Likewise.
991 * optabs.c (init_libfuncs): Likewise.
993 * protoize.c (find_rightmost_formals_list): Likewise.
995 * recog.h (const_double_operand): Fix typo in prototype.
997 * tlink.c (scan_linker_output): Cast the argument of ctype
998 function to `unsigned char'.
1000 * toplev.c (check_lang_option): Cast the result of `strlen' to
1001 `int' when comparing against one.
1003 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1005 * gcse.c (dump_cuid_table): Correct typo.
1007 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1009 * toplev.c (display_help): Prepend '-m' to target specific
1011 (check_lang_option): Ignore text after end of first word of a
1012 language specific option.
1014 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1016 * reload1.c (reg_used_by_pseudo): New static variable.
1017 (choose_reload_regs): Initialize it.
1018 Use it instead of testing spill_reg_order to determine whether a
1019 pseudo is live in a hard register across the current insn.
1020 Fix a typo in a reference to reload_reg_rtx.
1022 * flow.c (propagate_block): Replace code that computes and uses
1023 regs_sometimes_live with simpler code that just walks the set of
1024 currently live registers.
1026 * Makefile.in (insn-extract.o): Fix dependencies.
1027 * genextract.c (main): Generate includes for insn-config.h and
1029 Delete generation of declarations which are now in recog.h.
1030 * genrecog.c (main): Delete generation of definitions which are
1032 * local-alloc.c (block_alloc): Use extract_insn and the variables
1033 it sets up instead of looking up values by insn_code.
1034 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1035 recog_dup_num): Define here instead of generating the definition in
1037 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1038 recog_operand_mode, recog_constraints, recog_operand_address_p):
1040 (extract_insn): New function.
1041 * recog.h (extract_insn): Declare function.
1042 (which_alternative, recog_n_operands, recog_n_dups,
1043 recog_n_alternatives, recog_operand_mode, recog_constraints,
1044 recog_operand_address_p): Declare variables.
1045 * regclass.c (n_occurrences): New static function.
1046 * reload.c (n_occurrences): Delete function.
1047 (find_reloads): Use extract_insn.
1048 * reload.h (n_occurrences): Delete declaration.
1050 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1052 * reload1.c (reload_as_needed): Fix test for when to call
1053 update_eliminable_offsets.
1055 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1057 Fix consistency problems with reg_equiv_{mem,address};
1058 Improve reload inheritance;
1060 * reload.c (reload_out_reg): New variable.
1061 (loc_mentioned_in_p, remove_address_replacements): New functions.
1062 (remove_replacements): Deleted.
1063 (push_reload): Set reload_out_reg[i].
1064 When merging, also set reload_{in,out}_reg[i], and remove
1065 duplicate address reloads.
1066 (combine_reloads): Copy reload_out_reg[i].
1067 (find_reloads): Do make_memloc substitution also when
1068 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1070 Include *recog_operand_loc in commutativity operand changes.
1071 Generate optional output reloads.
1072 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1073 processing operands. Call make_memloc in reg_equiv_address code.
1074 Set *recog_operand_loc only after processing operands, and only
1075 if replace is true. Return a value.
1076 When changing address reload types for operands that didn't get
1077 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1078 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1079 Don't emit USEs for pseudo SUBREGs when not replacing.
1080 (find_reloads_address): Do make_memloc substitution also when
1081 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1083 (find_reloads_toplev): Likewise.
1084 Call make_memloc in reg_equiv_address code.
1085 (debug_reload_to_stream): Add code to output reload_out_reg.
1086 (make_memloc): Delete local variable i, ifdefed out code, and
1087 references to memlocs and n_memlocs.
1088 (memlocs, n_memlocs): Delete.
1089 (push_secondary_reload): Clear reload_out_reg.
1090 (find_reloads_address_1): Provide memrefloc argument to all calls
1091 to find_reloads_address.
1092 In AUTO_INC code, handle non-directly addressable equivalences properly.
1093 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1094 (find_reloads): Add return type.
1095 (remove_address_replacements, deallocate_reload_reg): Declare.
1096 * reload1.c (num_not_at_initial_offset): No longer static.
1097 (delete_address_reloads, delete_address_reloads_1): Likewise.
1098 (deallocate_reload_reg): New function.
1099 (spill_reg_stored_to): New array.
1100 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1101 (eliminate_regs_in_insn): Move assignments of previous_offset and
1102 max_offset fields, and recalculation of num_not_at_initial_offset
1103 into new static function:
1104 (update_eliminable_offsets) .
1105 (reload_as_needed): Call update_eliminable_offsetss after calling
1107 Call forget_old_reloads_1 with contents of reloaded auto_inc
1108 expressions if the actual addressing can't be changed to match the
1110 (choose_reload_regs): For inheritance, replace
1111 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1112 remove stand-alone reload_reg_used_at_all test.
1113 Use reload_out_reg to determine which reload regs have output reloads.
1114 Treat reload_override_in more similar to inherited reloads.
1115 Handle (subreg (reg... for inheritance.
1116 For flag_expensive_optimizations, add an extra pass to remove
1117 unnecessary reloads from known working inheritance.
1118 Delete obsolete code for pseudos replaced with MEMs.
1119 Handle inheritance from auto_inc expressions.
1120 (emit_reload_insns): If reload_in is a MEM, set OLD to
1122 Don't reload directly from oldequiv; if it's a pseudo with a
1123 stack slot, use reload_in[j].
1124 Check that reload_in_reg[j] is a MEM before replacing reload_in
1125 from reg_reloaded_contents.
1126 Include non-spill registers in reload inheritance processing.
1127 Also try to use reload_out_reg to set spill_reg_store /
1128 reg_last_reload_reg.
1129 In code to set new_spill_reg_store, use single_set to find out if
1130 there is a single set.
1131 Add code that allows to delete optional output reloads.
1132 Add code to allow deletion of output reloads that use no spill reg.
1133 At the end, set reload_override_in to oldequiv.
1134 Also call delete_output_reload if reload_out_reg is equal to old
1136 Add code to call delete_output_reload for stores with no matching load.
1137 Set / use spill_reg_stored_to.
1138 Handle case where secondary output reload uses a temporary, but
1139 actual store isn't found.
1140 When looking for a store of a value not loaded in order to call
1141 delete_output_reload, count_occurences should return 0 for no
1142 loads; but discount inherited input reloadill_reg_stored_to.
1143 Do checks for extra uses of REG. Changed all
1145 Use delete_address_reloads.
1146 (reload): Take return value of find_reloads into account.
1147 If a no-op set needs more than one reload, delete it.
1148 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1149 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1150 for the same operand.
1151 (clear_reload_reg_in_use): Check for other reloads that keep a
1153 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1154 RELOAD_FOR_OPADDR_ADDR.
1155 Take into account when an address address reload is only needed
1156 for the address reload we are considering.
1157 (count_occurrences): Use rtx_equal_p for MEMs.
1158 (inc_for_reload): Return instruction that stores into RELOADREG.
1159 New argument two, IN, and rtx. Changed all callers.
1160 (calculate_needs_all_insns, reload_as_needed):
1161 Don't clear after_call for a CLOBBER.
1162 Keep track of how many hard registers need to be copied from
1163 after_call, and don't clear after_call before we have seen
1164 that much copies, or we see a different instruction.
1166 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1168 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1169 after reload has completed.
1171 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1173 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1174 a macro name and the next token with a single blank if that whitespace
1175 is in a macro buffer and the next token is not '('.
1177 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1179 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1181 (skip_if_group): Ditto.
1182 (skip_to_end_of_comment): Ditto.
1184 (discard_comments): Ditto.
1185 (change_newlines): Ditto.
1187 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1189 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1191 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1193 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1194 (TARGET_OPTIONS): Add --help documentation.
1196 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1198 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1200 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1202 * fixinc/* Moved in from ../contrib directory in preparation
1203 for integrating it into the normal build process. In particular,
1204 fixinc/Makefile.in must be config-ed into the build directory
1205 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1206 ./configure.in will be "in the mail" momentarily.
1208 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1210 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1211 accidently walk into the free list. Comment how that can happen.
1212 (invalidate): Fix indentation.
1214 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1215 Jeffrey A Law (law@cygnus.com)
1217 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1218 reload. Never perform rescans of the insn chain after reload.
1219 (propagate_block): Do not delete insn or create new autoinc addressing
1222 * jump.c (jump_optimize): Unconditionally use the code that was
1223 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1224 * reload1.c (reload): When reloading is finished, delete all
1225 REG_DEAD and REG_UNUSED notes.
1226 (emit_reload_insns): Delete all code that was conditional on
1227 PRESERVE_DEATH_INFO_REGNO_P.
1228 (no_longer_dead_regs): Delete variable.
1229 (reload_cse_delete_death_notes): Delete function.
1230 (reload_cse_no_longer_dead): Delete function.
1231 (reload_cse_regs_1): Delete all code to handle deletion of death
1233 (reload_cse_noop_set_p): Likewise.
1234 (reload_cse_simplify_set): Likewise.
1235 (reload_cse_simplify_operands): Likewise.
1236 (reload_cse_move2add): Likewise.
1237 * reorg.c (used_spill_regs): Delete declaration.
1238 (max_label_num_after_reload): Delete declaration.
1239 (find_dead_or_set_registers): Don't assume that spill regs are
1240 dead at a CODE_LABEL.
1241 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1243 * sched.c (sched_analyze_insn): Likewise.
1244 (update_flow_info): Likewise.
1245 * haifa-sched.c (sched_analyze_insn): Likewise.
1246 (update_flow_info): Likewise.
1247 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1248 * toplev.c (max_label_num_after_reload): Delete variable.
1249 (rest_of_compilation): Don't set max_label_num_after_reload.
1250 Call life_analysis after reload_cse_regs if optimizing.
1251 * config/gmicro/gmicro.h: Delete comment referring to
1252 PRESERVE_DEATH_INFO_REGNO_P.
1253 * config/i386/i386.h: Likewise.
1254 * config/m88k/m88k.h: Likewise.
1255 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1256 * config/sh/sh.h: Likewise.
1258 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1260 * loop.c (strength_reduce): Restore marking bct_p as
1262 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1263 HAVE_decrement_and_branch_on_count.
1264 (small_data_operand): Remove TARGET_ELF condition for marking
1265 parameters ATTRIBUTE_UNUSED.
1267 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1269 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1270 (SELECT_SECTION): Resync with svr4.h.
1272 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1274 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1277 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1279 * c-pragma.c (handle_pragma_token): Test for null tree before
1280 dereferencing TREE_CODE.
1282 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1284 * config/c4x/c4x.c: Convert to use GEN_INT.
1285 (c4x_parallel_process): Rework to handle new repeat loop structure.
1287 * config/c4x/c4x.md: Convert to use GEN_INT.
1288 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1289 (decrement_and_branch_on_count): Likewise.
1291 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1292 loop.c has the desired functionality.
1293 (rc_reg_operand): New prototype.
1295 * config/c4x/t-c4x: Can now build all front ends.
1297 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1299 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1301 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1303 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1304 * config/t-rtems: Do not install assert.h -- use newlib's.
1306 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1308 * combine.c (combine_instructions): When finished, call init_recog.
1309 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1311 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1313 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1315 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1317 * cppalloc.c (memory_full): Mark function prototype with
1320 * demangle.h (collect_exit): Likewise.
1322 * fix-header.c (v_fatal, fatal): Likewise.
1324 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1327 * gcov.c (print_usage): Likewise.
1329 * genattr.c (fatal, fancy_abort): Likewise.
1331 * genattrtab.c (fatal, fancy_abort): Likewise.
1333 * gencodes.c (fatal, fancy_abort): Likewise.
1335 * genconfig.c (fatal, fancy_abort): Likewise.
1337 * genemit.c (fatal, fancy_abort): Likewise.
1339 * genextract.c (fatal, fancy_abort): Likewise.
1341 * genflags.c (fatal, fancy_abort): Likewise.
1343 * genopinit.c (fatal, fancy_abort): Likewise.
1345 * genoutput.c (fatal, fancy_abort): Likewise.
1347 * genpeep.c (fatal, fancy_abort): Likewise.
1349 * genrecog.c (fatal, fancy_abort): Likewise.
1351 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1352 __sjpopnthrow, __throw): Likewise.
1354 * objc/objc-act.c (objc_fatal): Likewise.
1356 * protoize.c (usage, aux_info_corrupted,
1357 declare_source_confusing): Likewise.
1359 * rtl.c (dump_and_abort): Likewise.
1361 * rtl.h (sets_cc0_p): Likewise.
1363 * toplev.c (float_signal, pipe_closed): Likewise.
1365 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1367 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1368 when generating the decision tree for the general case.
1370 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1371 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1373 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1375 * Makefile.in (sched.o): Depend on recog.h.
1377 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1378 (unsigned) when comparing against one.
1379 (find_base_value): Likewise.
1380 (record_base_value): Cast variable `regno' to (unsigned) when
1381 comparing against one. Cast the result of REGNO() macro to
1382 (unsigned) when comparing against one.
1383 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1385 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1386 variable where an unsigned index is needed.
1388 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1389 before comparing against one.
1391 * collect2.c: Add prototypes for functions `error', `fatal' and
1392 `fatal_perror'. Make these functions take variable arguments
1393 instead of faking it with a fixed number of args.
1394 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1397 * combine.c (can_combine_p): Mark parameter `pred' with
1399 (find_split_point): Cast variable `src' to (unsigned
1400 HOST_WIDE_INT) when comparing against one.
1401 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1402 (simplify_logical): Likewise.
1403 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1404 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1405 HOST_WIDE_INT) in shift.
1406 (simplify_and_const_int): Cast result of INTVAL() macro to
1407 `unsigned HOST_WIDE_INT' when comparing against one.
1408 (merge_outer_ops): Cast variable const0 to `unsigned
1409 HOST_WIDE_INT' when comparing against the result of
1410 GET_MODE_MASK() macro.
1411 (simplify_comparison): Likewise for variable `c0'. Cast variable
1412 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1413 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1414 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1415 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1416 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1417 comparing against one.
1418 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1420 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1421 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1422 (output_block_move): Cast `sizeof' expression to (int) when
1423 comparing against one.
1424 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1426 (save_restore_insns): Cast `base_offset' to `long' to match format
1427 specifier in fprintf.
1429 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1430 to `enum machine_mode'.
1432 * flow.c (life_analysis_1): Remove unused variable `insn'.
1434 * gcc.c (translate_options): Move variables `j' and `k' into the
1435 scope in which they are used. Change their types to `size_t'.
1436 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1437 (read_specs): Likewise.
1438 (process_command): Cast `sizeof' to (int) when comparing against one.
1439 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1440 (handle_braces): Cast both sides of `==' expression to `long' to
1441 ensure sign matching.
1442 (main): Cast variable `i' to `int' when comparing against one.
1444 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1445 int to size_t. Cast variable `i' to size_t when comparing against
1448 * genattrtab.c (convert_set_attr_alternative): Remove unused
1449 parameter `insn_code'. All callers changed.
1450 (convert_set_attr): Likewise.
1452 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1453 size_t when comparing against one. Likewise for variable `len'.
1455 * global.c (global_alloc): Cast variable `max_regno' to size_t
1456 when comparing against one. Likewise for variable `max_allocno'.
1458 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1460 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1461 `set' with ATTRIBUTE_UNUSED.
1462 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1465 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1466 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1467 (get_condition): Cast variable `const_val' to `unsigned
1468 HOST_WIDE_INT' when comparing against one. Cast unsigned
1469 expression to HOST_WIDE_INT when comparing against one.
1470 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1471 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1472 `unsigned' when comparing against one.
1474 * protoize.c (is_id_char): Change type of parameter `ch' to
1476 (munge_compile_params): Cast argument of ctype macro to (const
1478 (process_aux_info_file): Cast variable `aux_info_size' to int when
1479 comparing against one.
1480 (forward_to_next_token_char): Cast argument of ctype macro to
1481 `const unsigned char'.
1482 (edit_formals_lists): Likewise.
1483 (find_rightmost_formals_list): Likewise.
1484 (add_local_decl): Likewise.
1485 (add_global_decls): Likewise.
1486 (edit_fn_definition): Likewise.
1487 (do_cleaning): Likewise.
1488 (scan_for_missed_items): Likewise.
1489 (edit_file): Cast variable `orig_size' to (int) when comparing
1491 (main): Cast argument of ctype macro to `const unsigned char'.
1493 * recog.c (const_int_operand): Mark parameter `mode' with
1496 * regclass.c (record_reg_classes): Change type of variable `c' to
1497 `unsigned char'. Cast `char' array index to `unsigned char'.
1499 * reload.c (push_secondary_reload): Cast argument to
1500 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1502 * reload1.c (calculate_needs): Cast `char' array index to
1504 (set_label_offsets): Change type of variable `i' to unsigned int.
1505 Cast result of XVECLEN() macro to unsigned when comparing against
1507 (mark_not_eliminable): Change type of variable `i' to unsigned.
1508 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1509 when comparing against one.
1510 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1511 comparing against one.
1512 (choose_reload_regs): Hide unused label `fail'.
1513 (reload_cse_simplify_operands): Cast `char' array index to
1515 (reload_combine_note_store): Mark parameter `set' with
1516 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1518 (reload_cse_move2add): Remove unused variable `src2'.
1520 * sched.c: Include recog.h.
1521 (sched_note_set): Remove unused parameter `b'. All callers
1523 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1524 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1525 when comparing against one.
1527 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1528 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1529 comparing against one.
1531 * unroll.c (precondition_loop_p): Remove unused parameter
1532 `loop_end'. All callers changed.
1534 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1536 * reload1.c (maybe_fix_stack_asms): New static function.
1539 * reload.h (compute_use_by_pseudos): Declare.
1541 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1542 (something_needs_reloads): Delete variable.
1543 (finish_spills): New function.
1544 (compute_use_by_pseudos): New function.
1546 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1547 Use the reload_insn_chain instead of walking the rtl directly.
1549 (reload): Allocate and free spilled_pseudos.
1550 Ensure that all calls of spill_hard_reg are followed by a call to
1552 Use the insns_need_reload list instead of something_needs_reloads
1553 to find out if reload_as_needed must be called.
1554 Clear unused_insn_chains at the end.
1556 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1558 Delete code to keep track of current basic block.
1559 Walk reload_insn_chain instead of the rtl structure. Build the
1560 insns_need_reload chain.
1561 Remember which insns need reloading/elimination by setting the
1562 appropriate fields in struct insn_chain, not by putting modes on the
1565 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1566 arg INSN. All callers changed.
1567 Delete declaration of struct needs.
1568 Don't set something_needs_reloads.
1569 Record insn needs in the CHAIN argument.
1571 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1573 (reload_as_needed): Lose FIRST arg. All callers changed.
1574 Walk the reload_insn_chain instead of the rtx structure.
1575 Delete code to keep track of current basic block.
1576 Rename one of the NEXT variables to OLD_NEXT.
1578 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1580 (choose_reload_regs): Likewise.
1582 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1585 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1586 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1587 (hard_regs_live, hard_regs_need_restore): Delete variables.
1588 (n_regs_saved): Now static.
1589 (referenced_regs, this_insn_sets): New variables.
1591 (setup_save_areas): Restructure the code a bit.
1593 (restore_referenced_regs): Delete function.
1594 (mark_referenced_regs): New function, similar to the old
1595 restore_referenced_regs, but mark registers in referenced_regs.
1597 (clear_reg_live): Delete function.
1598 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1599 Only mark registers in this_insn_sets.
1601 (save_call_clobbered_regs): Rework this function to walk the
1602 reload_insn_chain instead of using the list of instructions directly.
1603 Delete code to keep track of register lives, compute live regs on the
1604 fly from information in the chain.
1605 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1606 then walk the set it computes and call insert_restore as appropriate.
1608 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1610 Restructure the code a bit. Test hard_regs_saved instead of
1611 hard_regs_need_restore.
1612 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1613 args. All callers changed.
1614 Restructure the code a bit. Use TO_SAVE to determine which regs to
1615 save instead of more complicated test.
1616 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1618 Create a new insn_chain structure for the new insn and place it
1621 * rtl.texi: Update documentation to reflect that reload no longer
1622 puts modes on the insns.
1624 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1626 * function.c (purge_addressof_1): Force the first argument of a
1627 CALL insn to memory.
1629 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1631 * rtl.h: Delete duplicate prototypes. Add some missing
1633 * rtlanal.c: (for_each_rtx): Formatting tweak.
1635 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1637 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1638 to be compatible with TI compiler.
1640 * Makefile.in (USER_H): Add va-c4x.h to definition.
1642 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1644 * function.c (purge_addressof_1): Fix typo in inequality: do
1645 bitfield optimization for equal mode sizes.
1646 * expmed.c (store_bit_field): Don't take subregs of subregs in
1647 the movstrict case. Tidy a potential problem in the multi-word case.
1648 (extract_bit_field): Likewise.
1650 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1652 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1654 Compute max_uid_for_flow by calling get_max_uid after the scan.
1655 (find_basic_blocks_1): Don't emit NOPs here.
1657 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1659 * alias.c (base_alias_check): Accept new args for the modes of the
1660 two references. Use them to determine if an AND can overlap. Update
1662 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1663 to determine if an AND can overlap.
1665 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1667 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1668 check. Add comment to document problems with TARGET_SUN_FPA version
1670 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1672 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1674 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1676 * c-common.c (print_char_table): Add missing initializers.
1677 (scan_char_table): Likewise.
1678 (time_char_table): Likewise.
1680 * c-decl.c (c_decode_option): Mark parameter `argc' with
1682 (declare_parm_level): Mark parameter `definition_flag' with
1685 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1686 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1689 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1691 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1693 (expand_call): Cast result of MIN() to (unsigned int) when
1694 comparing against an unsigned value.
1696 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1698 (make_definition): Remove unused parameter `op'. All callers
1700 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1701 comparing against the result of pointer arithmetic.
1703 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1704 when comparing against one.
1706 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1707 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1709 (output_die): Move variable `i' into the scope in which it is
1710 used. Change its type to `unsigned'.
1711 (output_die): Cast the result of `strlen' to (int) when passing it
1712 to ASM_OUTPUT_ASCII().
1713 (output_pubnames): Likewise.
1714 (output_line_info): Likewise.
1716 * emit-rtl.c (global_rtl): Add missing initializers.
1718 * explow.c (promote_mode): Mark parameter `for_call' with
1721 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1722 `unsigned HOST_WIDE_INT' when comparing against one.
1723 (synth_mult): Change type of variable `cost' to int.
1724 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1726 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1727 when comparing against one.
1728 (get_inner_reference): Change variable `alignment' to unsigned.
1729 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1730 int) when comparing against one.
1731 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1733 * fold-const.c (div_and_round_double): Cast BASE to
1734 (HOST_WIDE_INT) when comparing against one.
1736 * gencheck.c: Include gansidecl.h.
1737 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1739 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1740 `tcode' with ATTRIBUTE_UNUSED.
1742 * real.c (edivm): Cast constant value to (unsigned long) in
1743 expression compared against an unsigned value.
1745 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1746 comparing against one.
1747 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1748 when comparing against one.
1750 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1751 (unsigned int) when comparing against one. Likewise for
1753 (smallest_mode_for_size): Likewise.
1754 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1755 (restore_storage_status): Likewise.
1757 * toplev.c (debug_args): Add missing initializer.
1758 (f_options): Spelling correction. Add missing initializers.
1759 (documented_lang_options): Likewise.
1760 (debug_end_source_file): Mark parameter `lineno' with
1763 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1764 `decl' and `type' with ATTRIBUTE_UNUSED.
1766 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1767 when comparing against one.
1768 (assemble_variable): Mark parameter `top_level' with
1770 (assemble_external_libcall): Mark parameter `fun' with
1772 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1775 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1777 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1778 Replace use of r5 with use of r19.
1780 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1782 * config/v850/v850.c (compute_register_save_size): Allow for the
1783 fact that helper functions save all registers, not just those used
1786 Replace constant 31 with macro LINK_POINTER_REGNUM.
1788 * config/v850/v850.md: Use 'indirect_operand' rather than
1789 'memory_operand' for bit test/set/clear patterns.
1791 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1793 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1794 * varasm.c (assemble_start_function et al): Don't call
1795 ASM_GLOBALIZE_LABEL for weak symbols.
1797 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1799 * cse.c (equiv_constant): Check for NULL return from
1800 gen_lowpart_if_possible().
1802 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1804 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1806 * collect2.c (main): Pass -EL/-EB through to the compiler.
1808 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1810 * expr.c (push_block): Handle targets where the stack grows
1811 to higher addresses, but args grow to lower addresses and
1812 ACCUMULATE_OUTGOING_ARGS is not defined.
1814 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1816 * config/v850/v850.c (print_operand): Extend meaning
1817 of 'c' operands to support .vtinherit.
1819 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1821 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1822 Added ATTRIBUTE_UNUSED to unused function arguments.
1823 (rc_reg_operand): New predicate.
1824 (c4x_rptb_insert): New function.
1825 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1826 (c4x_optimization_options): New function.
1828 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1829 (decrement_and_branch_on_count): New pattern.
1830 (rptb_top): Modified pattern to work with BCT optimization.
1832 * config/c4x/c4x.h (RC_REG): New register class.
1833 (rc_reg_operand): Define prototype.
1834 (IS_RC_REG): New macro.
1835 (IS_RC_OR_PSEUDO_REG): New macro.
1836 (IS_RC_OR_PSEUDO_REGNO): New macro.
1837 (OPTIMIZATION_OPTIONS): Define.
1839 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1841 * collect2.c (extract_init_priority): No priority is 65535.
1843 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1845 * Makefile.in (build_tooldir): new variable, same as old
1846 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1847 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1848 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1850 * configure.in (gxx_include_dir): set default based on unlibsubdir
1851 * Makefile.in (tooldir): ditto
1852 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1853 gxx_include_dir, includedir and tooldir
1854 (protoize.o, unprotoize.o): ditto
1856 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1858 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1860 * config/arm/thumb.c (thumb_override_options): Add warning about
1861 PIC code not being supported just yet.
1863 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1865 * flow.c: Update comment.
1866 (notice_stack_pointer_modification): New static function.
1867 (record_volatile_insns): Use it.
1868 (mark_regs_live_at_end): Mark the stack pointer as alive
1869 at the end of the function if current_function_sp_is_unchanging
1871 (life_analysis_1): Set current_function_sp_is_unchanging.
1872 * function.c: Define it.
1873 (init_function_start): Initialize it.
1874 * output.h: Declare it.
1875 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1876 the stack pointer as alive at the end of the function if
1877 current_function_sp_is_unchanging is set.
1878 * i386.c (ix86_epilogue): Optimize the restoring
1879 of the stack pointer.
1881 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1883 * version.c: Bump for snapshot.
1885 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1887 * c-pragma.c (handle_pragma_token): If passed a token instead
1888 of a tree, use that as the pack value.
1890 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1892 * flow.c (find_basic_blocks_1): Fix prototype.
1894 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1896 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1897 (struct tree_decl): New fields no_check_memory_usage.
1898 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1899 (init_attributes): Register it as a new attribute.
1900 (decl_attributes): Set flags on functions given that attribute.
1901 * c-decl.c (duplicate_decls): Merge new attribute.
1902 * expr.h (current_function_check_memory_usage): Declare new var.
1903 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1904 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1905 current_function_check_memory_usage.
1906 * function.h: Add field to struct function.
1907 * function.c (current_function_check_memory_usage): Define it.
1908 (push_function_context_to, pop_function_context_from): Save and
1910 (expand_function_start): Set it, based on global flag and function
1913 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1914 check non-automatic variables, to permit detection of writes to
1915 read-only locations in embedded systems without memory management.
1916 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1917 when emitting chkr_set_right_libfunc call, even if the argument is
1918 BLKmode or variable-sized; don't abort.
1920 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1921 symbols in Pmode, not VOIDmode.
1923 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1925 * cppexp.c: When forcing unsigned comparisons, cast both sides
1928 * cpphash.h: Move static declaration of hashtab[]...
1929 * cpphash.c: ...here.
1931 * cpplib.c: Cast difference of two pointers to size_t before
1932 comparing it to size_t. Cast signed to unsigned
1933 before comparing to size_t. (FIXME: struct argdata should use
1934 unsigned buffer sizes.)
1935 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1936 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1937 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1938 size_t before comparison.
1940 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1942 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1943 (find_basic_blocks_1): Similarly.
1944 * output.h (find_basic_blocks): Fix prototype.
1945 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1946 find_basic_blocks anymore.
1948 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1950 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1951 (sbitmap_free, sbitmap_vector_free): New macros.
1952 * output.h (rtl_dump_file): Declare.
1954 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1956 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1958 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1960 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1962 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1963 (divide): Remove unused variable `tmp'.
1964 (si_to_float): Cast numeric constant to (SItype) before comparing
1967 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1969 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1970 * gcc.c (add_preprocessor_option): Correct typo when allocating
1971 memory, sizeof() argument had one too many `*'.
1972 (add_assembler_option): Likewise.
1973 (add_linker_option): Likewise.
1974 * gcov.c (output_data): Likewise.
1975 * local-alloc.c (memref_used_between_p): Likewise.
1976 (update_equiv_regs): Likewise.
1977 * loop.c (strength_reduce): Likewise.
1978 * reg-stack.c (record_asm_reg_life): Likewise.
1979 (subst_asm_stack_reg): Likewise.
1980 * reorg.c (dbr_schedule): Likewise.
1982 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1984 * flow.c (life_analysis_1): Break out some functions.
1985 (find_basic_blocks_1): Likewise. Also move some variables out and
1987 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1988 new static var nonlocal_label_list with it.
1989 (active_eh_region, nested_eh_region, label_value_list,
1990 nonlocal_label_list): New static variables.
1991 (make_edges, delete_unreachable_blocks, delete_block): New static
1992 functions, broken out of find_basic_blocks_1.
1993 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1994 noop_move_p): New static functions, broken out of life_analysis_1.
1996 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1998 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1999 Take extra care for op0 now possibly being a subreg.
2000 (extract_bit_field): Likewise.
2001 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2002 the reg to memory if there is no equal sized integral mode.
2003 * stor-layout.c (int_mode_for_mode): New function.
2004 * machmode.h: Prototype it.
2006 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2008 * global.c (build_insn_chain): Verify no real insns exist past the
2009 end of the last basic block, then exit the loop.
2011 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2013 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2015 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2017 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2019 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2021 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2023 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2025 * flow.c (find_basic_blocks): Correctly determine when a call
2026 is within an exception region.
2028 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2030 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2032 * cpplib.h: Protect from multiple inclusions.
2033 * cpplib.c: Fix minor formatting problems.
2035 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2037 * jump.c (jump_optimize): Revert accidental patch.
2039 * Makefile.in (cpplib.o): Use unlibsubdir.
2041 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2043 * loop.c (get_condition): Allow combine when either compare is
2046 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2048 * version.c: Bump for snapshot.
2050 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2052 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2053 (init_lex): Initialize ridpointers[RID_BYREF].
2054 * c-lex.h (enum rid): Add RID_BYREF.
2055 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2056 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2057 (encode_type_qualifiers): Similarly
2058 * c-gperf.h: Rebuilt.
2060 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2062 * c-common.c (type_for_mode): Only return TItype nodes when
2063 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2064 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2065 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2066 (init_decl_processing): Only create TItype nodes when
2067 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2068 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2069 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2071 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2073 * stmt.c (n_occurrences): New static function.
2074 (expand_asm_operands): Verify that all constrains match in the
2075 number of alternatives.
2076 Verify that '+' or '=' are at the beginning of an output constraint.
2077 Don't allow '&' for input operands.
2078 Verify that '%' isn't written for the last operand.
2079 * reload.c (find_reloads): Abort if an asm is found with invalid
2080 constraints; all possible problems ought to be checked for earlier.
2082 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2084 * flags.h (flag_branch_on_count_reg): Always declare
2085 * toplev.c (flag_branch_on_count_reg): Likewise.
2086 * toplev.c: Fix typos.
2088 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2091 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2093 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2095 (find_basic_blocks_1): Add a nop to the end of a basic block when
2096 a trailing call insn does not have abnormal control flow.
2097 * gcse.c (pre_transpout): New variable.
2098 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2099 (compute_pre_transpout): Calculate it.
2100 (compute_pre_ppinout): Use it to eliminate impossible placements
2101 due to abnormal control flow through calls.
2102 (compute_pre_data): Call compute_pre_transpout.
2104 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2106 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2108 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2110 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2111 and matching define_insns): Tack on a `use' of the table label, so
2112 flow analysis will recognize a tablejump.
2114 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2116 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2117 always end basic blocks for abnormal edge reasons.
2119 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2121 * config/i386/i386.h: Remove definition of
2122 HANDLE_PRAGMA_PACK_PUSH_POP.
2124 * config/i386/go32.h: Add definition of
2125 HANDLE_PRAGMA_PACK_PUSH_POP.
2127 * config/i386/win32.h: Add definition of
2128 HANDLE_PRAGMA_PACK_PUSH_POP.
2130 * config/i386/cygwin32.h: Add definition of
2131 HANDLE_PRAGMA_PACK_PUSH_POP.
2133 * c-pragma.c (insert_pack_attributes): Do not insert
2134 attributes unless #pragma pack(push,<n>) is in effect.
2136 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2138 * expr.c (emit_group_store): Handle a PARALLEL destination.
2140 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2142 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2143 the new insns before the argument regs are loaded.
2145 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2147 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2148 (c-parse.gperf): Update comments describing invocation flags.
2149 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2151 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2153 * reload1.c (reload): Call free before clobbering the memory
2154 locations or constants pointers.
2156 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2158 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2159 for efficiency by checking whether we need to modify the current
2160 stack permission at all.
2161 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2162 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2163 __enable_execute_stack libcall here too if
2164 TRANSFER_FROM_TRAMPOLINE is defined.
2165 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2168 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2170 * Makefile.in (DRIVER_DEFINES): Remove last change.
2172 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2174 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2175 insns we're going to copy.
2176 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2178 * loop.c (count_one_set): Add prototype.
2180 * caller-save.c (restore_referenced_regs): Lose mode argument.
2181 (insert_save): Lose mode argument.
2182 (insert_restore): Lose mode argument.
2183 (insert_one_insn): Lose mode argument.
2184 (save_call_clobbered_regs): Lose mode argument.
2185 (setup_save_areas): Take no argument and return void. All callers
2187 Don't verify validity of memory addresses.
2188 * reload.h (setup_save_ares): Adjust prototype.
2189 (save_call_clobbered_regs): Likewise.
2190 * reload1.c (delete_caller_save_insns): New function.
2191 (caller_save_spill_class): Delete variable.
2192 (caller_save_group_size): Delete variable.
2193 (reload): Call setup_save_areas and save_call_clobbered_regs
2194 in the main loop, before calling calculate_needs_all_insns.
2195 Don't call save_call_clobbered_regs after the loop.
2196 Call delete_caller_save_insns at the end of an iteration if
2198 Delete code to manage caller_save_spill_class.
2199 Emit the final note before setting reload_first_uid.
2200 Simplify test that determines whether reload_as_needed gets run.
2201 (calculate_needs): Delete code to manage caller_save_spill_class.
2203 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2205 * collect2.c (main): Initialize ld_file_name.
2207 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2209 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2210 check for flag_function_sections.
2212 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2214 * cse.c (insert_regs): Fix bug in Sep 24 change.
2216 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2218 * flags.h (flag_dump_unnumbered): Declare.
2219 * toplev.c (flag_dump_unnumbered): Don't declare.
2220 * print-rtl.c (flags.h): Include.
2221 (print_rtl_single): Add return value.
2222 * rtl.h (print_rtl_single): Update declaration.
2223 * flow.c (flag_dump_unnumbered): Don't declare.
2224 (print_rtl_with_bb): Use return value of print_rtl_single.
2226 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2228 * loop.c (count_one_set): New static function, broken out of
2230 (count_loop_regs_set): Call it.
2231 * global.c (mark_reg_store): Handle clobbers here by not calling
2233 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2234 is in fact a clobber.
2235 * integrate.c (process_reg_param): New function, broken out of
2236 expand_inline_function.
2237 (expand_inline_function): Call it.
2240 * i386.md (addsidi3_1): Delete unused variable temp.
2241 (addsidi3_2): Likewise.
2242 (clstrstrsi): Delete unused variable addr1.
2244 * rtl.h: Don't declare any functions also declared in recog.h.
2246 * Makefile.in (stupid.o): Update dependencies.
2247 (global.o): Likewise.
2249 * global.c: Include reload.h
2250 (reg_becomes_live): New function.
2251 (reg_dies): New function.
2252 (build_insn_chain): New function.
2253 (global_alloc): Call build_insn_chain before calling reload.
2255 * reload.h (struct needs): New structure definition.
2256 (struct insn_chain): Likewise.
2257 (reload_insn_chain): Declare variable.
2258 (new_insn_chain): Declare function.
2261 * reload1.c (reload_startobj): New variable.
2262 (reload_insn_chain): New variable.
2263 (unused_insn_chains): New variable.
2264 (new_insn_chain): New function.
2265 (init_reload): Initialize reload_startobj, not reload_firstobj.
2266 (reload): Initialize reload_firstobj.
2267 Before returning, free everything on the reload_obstack.
2269 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2270 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2271 current_chain): New variables.
2272 (reg_where_born): Delete variable.
2273 (REG_WHERE_BORN): New macro.
2274 (find_clobbered_regs): New function.
2275 (stupid_life_analysis): Don't allocate/free reg_where_born.
2276 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2277 reg_where_dead_chain.
2278 Use REG_WHERE_BORN instead of reg_where_born.
2279 While processing the insns, build the reload_insn_chain with
2280 information about register lifetimes.
2281 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2282 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2284 Compute and information about birth and death of pseudo registers in
2285 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2286 Delete code to set elements of reg_where_born.
2288 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2290 * tree.def (GOTO_EXPR): Modified documentation.
2291 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2294 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2296 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2297 loop_final_value, loop_comparison_code): No longer static.
2298 (unroll_loop): Delete loop_start_value update.
2299 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2300 loop_final_value, loop_comparison_code): Extern.
2301 (loop_start_value): Delete extern.
2302 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2303 loop_comparison_value, loop_comparison_code): Delete.
2304 (loop_optimize): Remove initialization for deleted variables.
2305 (strength_reduce): Delete analyze_loop_iterations call. Only call
2306 insert_bct if flag_branch_count_on_reg set.
2307 (analyze_loop_iterations): Delete.
2308 (insert_bct): Remove iteration count calculation. Move checks for
2309 viable BCT optimization to here. Obtain iteration count from
2310 loop_iterations and correct for unrolling. Check for enough
2311 iteration to be beneficial. Comment out runtime iteration count
2313 (insert_bct): Print iteration count in dump file. Remove
2314 loop_var_mode and use word_mode directly.
2316 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2317 * rs6000.c (rs6000_override_options): Use it.
2318 (optimization_options): Enable use of flag_branch_on_count_reg.
2319 * rs6000.md (define_function_unit): Describe 604e.
2321 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2323 * loop.c (move_movables): Corrected threshold calculation for
2324 moved_once registers.
2326 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2328 * loop.c (combine_givs_p): Fix test for identical givs.
2330 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2332 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2333 call abort if the function is already defined.
2335 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2337 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2338 truncation is not a no-op.
2340 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2342 * version.c: Bump for snapshot.
2344 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2346 * version.c: Bump for snapshot.
2348 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2350 * expmed.c (expand_divmod): Don't widen for computing remainder
2351 if we seem to have a divmod pattern for needed mode.
2353 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2355 * cpplib.c (macroexpand): Correct off-by-one error in handling
2358 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2360 * combine.c (expand_field_assignment): Don't do bitwise operations
2361 on MODE_FLOAT; pun to MODE_INT if possible.
2363 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2364 scott snyder <snyder@d0sgif.fnal.gov>
2366 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2367 linker. Recognize mangled names in quotes.
2369 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2371 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2372 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2373 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2374 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2376 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2378 * function.c (purge_addressof_1): If trying to take a sub-word
2379 integral piece of a floating point mode, put it on the stack.
2381 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2383 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2385 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2387 * PROJECTS: Remove template friends.
2389 * collect2.c (sort_ids): Remove unused variable.
2391 * tm.texi (MATH_LIBRARY): Document.
2392 (NEED_MATH_LIBRARY): Remove.
2394 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2395 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2397 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2399 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2400 last_end to 0x7fffffff.
2402 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2404 * function.c (purge_addressof_1): Do not perform endianness
2405 corrections on bitpos, who we call will do it for us.
2407 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2409 * h8300.c (WORD_REG_USED): Fix typo.
2410 (initial_offset): Use WORD_REG_USED.
2412 * h8300.c (handle_pragma): Fix typo.
2414 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2416 * caller-save.c (insert_save_restore): Break this function up
2417 into new functions insert_restore, insert_save and insert_one_insn.
2418 All callers changed.
2419 (insert_restore): New function, mostly broken out of
2420 insert_save_restore.
2421 (insert_save): Likewise.
2422 (insert_one_insn): Likewise.
2423 (restore_referenced_regs): New argument BLOCK. All callers changed.
2424 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2425 in this function, do it in insert_one_insn instead.
2427 * reload1.c (reload): Break out some more pieces into separate
2429 (dump_needs): New function, broken out of reload.
2430 (set_initial_elim_offsets): Likewise.
2431 (init_elim_table): Likewise.
2432 (update_eliminables): Likewise.
2434 * global.c (global_alloc): Delete code to manage the scratch_list.
2435 * local-alloc.c (qty_scratch_rtx): Delete.
2436 (scratch_block): Delete.
2437 (scratch_list): Delete.
2438 (scratch_list_length): Delete.
2439 (scratch_index): Delete.
2440 (alloc_qty_for_scratch): Delete.
2441 (local-alloc): Update initialization of max_qty.
2442 Delete code to manage the scratch list.
2443 Delete code to allocate/initialize qty_scratch_rtx.
2444 (block_alloc): Don't allocate quantities for scratches.
2445 Delete code to manage the scratch list.
2446 * regs.h (scratch_list): Delete declaration.
2447 (scratch_block): Delete declaration.
2448 (scratch_list_length): Delete declaration.
2449 * reload1.c (reload): Delete code to manage the scratch list.
2450 (spill_hard_reg): Likewise.
2451 (mark_scratch_live): Delete.
2453 * recog.c (alter_subreg): Delete declaration.
2455 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2457 * Makefile.in (cccp.o): Fix typo in last patch.
2459 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2461 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2462 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2464 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2466 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2467 NULL_RTX as an argument.
2469 * Makefile.in (unlibsubdir): Define.
2470 (DRIVER_DEFINES): Use unlibsubdir.
2471 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2472 (stmp-fixinc): Similarly.
2474 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2476 * regmove.c (regmove_optimize): Add variable old_max_uid.
2477 At the end of the function, update basic_block_end.
2479 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2481 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2482 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2485 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2487 * config/arm/arm.c: Improve interworking support.
2489 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2491 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2492 copied from reload_out[r] .
2494 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2496 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2497 with more than three size ranges.
2499 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2501 * rtl.c (mode_name): Add a null string at the end of the array.
2502 (mode_wider_mode): Change type to unsigned char.
2503 (mode_mask_array): New variable.
2504 (init_rtl): Update for mode_wider_mode type change.
2506 * rtl.h (mode_wider_mode): Change type to unsigned char.
2507 (mode_mask_array): Declare.
2508 (GET_MODE_MASK): Use mode_mask_array.
2510 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2512 * calls.c (expand_call) : Encapsulate code into
2513 copy_blkmode_from_reg.
2514 * expr.c (copy_blkmode_from_reg): New function.
2515 * expr.h (copy_blkmode_from_reg): New function.
2516 * integrate.c (function_cannot_inline_p): We can inline
2518 (expand_inline_function): Use copy_blkmode_from_reg
2519 if needed. Avoid creating BLKmode REGs.
2520 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2523 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2525 * config/v850/v850.c: Add function prototypes.
2526 Add support for v850 special data areas.
2528 * config/v850/v850.h: Add support for v850 special data areas.
2530 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2531 HANDLE_PRAGMA_PACK_PUSH_POP.
2532 (push_alignment): New function: Cache an alignment requested
2533 by a #pragma pack(push,<n>).
2534 (pop_alignment): New function: Pop an alignment from the
2536 (insert_pack_attributes): New function: Generate __packed__
2537 and __aligned__ attributes for new decls whilst a #pragma pack
2539 (add_weak): New function: Cache a #pragma weak directive.
2540 (handle_pragma_token): Document calling conventions. Add
2541 support for #pragma pack(push,<n>) and #pragma pack (pop).
2543 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2544 are defined enable HANDLE_PRAGMA_PACK.
2545 Move 'struct weak_syms' here (from varasm.c).
2546 Add pragma states for push and pop pragmas.
2548 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2551 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2552 HANDLE_GENERIC_PRAGMAS.
2554 * varasm.c: Move definition of 'struct weak_syms' into
2556 (handle_pragma_weak): Deleted.
2558 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2560 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2562 * c-decl.c (start_function): Add invocation of
2563 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2565 * tm.texi: Remove description of non-existant macro
2566 SET_DEFAULT_SECTION_NAME.
2568 (HANDLE_SYSV_PRAGMA): Document.
2569 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2571 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2573 * config.sub: Recognize i[34567]86-pc-udk as new target.
2574 * configure.in: Likewise.
2575 * config/i386/t-udk: New file.
2576 * config/i386/udk.h: New file.
2578 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2580 * reorg.c (check_annul_list_true_false): Remove unused variables.
2581 (steal_delay_list_from_target): Add missing "used_annul" variable.
2582 (try_merge_delay_insns): Close out half formed comment.
2584 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2586 * cpplib.c (macroexpand): If arg->raw_before or
2587 arg->raw_after, remove any no-reexpansion escape at the
2588 beginning of the pasted token. Correct handling of whitespace
2589 markers and no-reexpand markers at the end if arg->raw_after.
2591 * toplev.c (documented_lang_options): Recognize -include,
2592 -imacros, -iwithprefix, -iwithprefixbefore.
2593 * cpplib.c (cpp_start_read): Process -imacros and -include
2594 switches at the same time and in command-line order, after
2595 initializing the dependency-output code. Emit properly nested
2596 #line directives for them. Emit a #line for the main file
2597 before processing these switches, and don't do it again
2600 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2602 * function.c (purge_addressof_1): Use bitfield manipulation
2603 routines to handle mem mode < reg mode.
2605 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2607 * reorg.c (try_merge_delay_insns): Account for resources referenced
2608 in each instruction in INSN's delay list before trying to eliminate
2609 useless instructions. Similarly when looking at a trial insn's delay
2612 * reorg.c (check_annul_list_true_false): New function.
2613 (steal_delay_list_from_{target,fallthrough}): Call it and also
2614 refine tests for when we may annul if already filled a slot.
2615 (fill_slots_from_thread): Likewise.
2616 (delete_from_delay_slot): Return newly-created thread.
2617 (try_merge_delay_isns): Use its new return value.
2619 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2621 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2622 used to compute a giv or as some other non-counting use.
2624 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2626 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2627 * local-alloc.c (find_free_reg): Use it.
2628 * global.c (find_reg): Likewise.
2629 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2631 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2632 * caller-save.c (init_caller_save): Use it.
2633 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2635 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2637 * configure.in: Add --enable-cpplib option which uses cpplib
2638 for cpp, but doesn't link cpplib into cc1. Make help text
2639 capitalization consistent.
2640 * configure: Rebuilt.
2642 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2644 * function.c (gen_mem_addressof): If the address REG is
2645 REG_USERVAR_P make the new REG be so also.
2646 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2647 in an attempt to clarify slightly.
2649 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2651 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2652 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2654 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2656 * toplev.c: Fix last patch.
2658 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2660 * loop.c (get_condition): Fix typo in May 9 change.
2662 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2664 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2666 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2668 * toplev.c (documented_lang_options): Spelling corrections.
2670 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2672 * configure.in: new flags --with-ld and --with-as, equivalent
2673 to setting LD and AS environment variables. Test whether
2674 specified arguments are GNU commands, and report them with
2675 checking messages. Use the specified AS for configure
2678 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2680 * gcc.c (find_a_file): when looking for `as' and `ld', return
2681 the DEFAULT program if it exists
2682 * collect2.c (main): use DEFAULT_LINKER if it exists
2684 * gcc.c (find_a_file): the test for existence of a full
2685 pathname was reversed
2687 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2689 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2690 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2692 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2694 * tree.h (TYPE_BINFO): Document.
2696 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2698 * i386-coff.h (dbxcoff.h): Added.
2700 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2702 * toplev.c: fix bad patch around flag_data_sections.
2704 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2706 * reload1.c (reload): Use reload_address_index_reg_class and
2707 reload_address_base_reg_class when setting
2708 caller_save_spill_class. (Patch generated by Jim Wilson:
2711 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2713 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2714 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2715 * expr.c (store_field): Add alias_set parameter. Set the
2716 MEM_ALIAS_SET accordingly, if the target is a MEM.
2717 (expand_assignment): Use it.
2718 (store_constructor_field): Pass 0.
2719 (expand_expr): Likewise.
2721 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2723 * flags.h: Add flag_data_sections.
2724 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2725 (compile_file): Error if flag_data_sections not supported.
2726 * varasm.c (assemble_variable): Handle flag_data_sections.
2727 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2728 * config/mips/elf.h: Likewise.
2729 * config/mips/elf64.h: Likewise.
2730 * invoke.texi: Describe -fdata-sections.
2732 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2734 * invoke.texi (-ffloat-store): Clarify that this option
2735 does not affect intermediate results -- only variables.
2737 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2739 * cpp.texi: Update for Fortran usage from Craig.
2741 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2743 * rs6000.c (function_arg_boundary): Revert accidental change on
2746 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2748 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2749 (output_mi_thunk): Declare.
2751 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2752 (output_function_profiler): Use r12 for temp, instead of r11 so
2753 that we preserve the static chain register.
2755 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2757 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2759 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2761 * sh.c (gen_shl_sext): Fix case 5.
2763 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2765 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2767 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2769 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2770 accessing variables until they are initialized via va_arg().
2772 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2774 * reload1.c (reload_combine): Initialize set before using.
2776 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2778 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2781 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2783 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2784 operand3 with mask before using it. Patch provided by Jim Wilson.
2786 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2788 * config/sparc/sparc.c (function_value): Perform the equivalent of
2789 PROMOTE_MODE for ARCH64.
2790 (eligible_for_epilogue_delay): Allow DImode operations in delay
2791 slot of a return for ARCH64.
2793 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2795 * sh.md (sqrtsf2): Fix mode of sqrt.
2797 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2799 * reload1.c (choose_reload_regs): Also try inheritance when
2800 reload_in is a stack slot of a pseudo, even if we already got a
2803 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2805 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2806 (reload_cse_regs): New function body: call reload_cse_regs_1,
2807 reload_combine, reload_cse_move2add.
2808 When doing expensive_optimizations, call reload_cse_regs_1 a
2809 second time after reload_cse_move2add.
2810 (reload_combine, reload_combine_note_store): New functions.
2811 (reload_combine_note_use): New function.
2812 (reload_cse_move2add, move2add_note_store): New functions.
2814 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2816 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2817 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2819 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2820 more than 3 such reloads.
2822 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2823 RELOAD_FOR_X_ADDR_ADDR reload.
2825 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2827 * expr.c (store_constructor): When initializing a field that is smaller
2828 than a word, at the start of a word, try to widen it to a full word.
2830 * cse.c (cse_insn): When we are about to change a register,
2831 remove any invalid references to it.
2833 (remove_invalid_subreg_refs): New function.
2834 (mention_regs): Special treatment for SUBREGs.
2835 (insert_regs): Don't strip SUBREG for call to mention_regs.
2836 Check if reg_tick needs to be bumped up before that call.
2837 (lookup_as_function): Try to match known word_mode constants when
2838 looking for a norrower constant.
2839 (canon_hash): Special treatment for SUBREGs.
2841 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2843 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2844 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2845 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2846 and offsets in actual stack trampoline code so they match the
2847 commentary and actually work.
2849 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2851 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2853 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2854 tmake_file. Set extra_parts to needed crt objects.
2855 * configure: Rebuilt.
2856 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2857 (TARGET_DEFAULT): Set if default is v9 or ultra.
2858 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2859 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2860 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2861 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2862 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2863 (TARGET_VERSION): Define.
2864 (MULTILIB_DEFAULT): Define.
2865 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2866 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2867 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2869 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2870 * config/sparc/sparc.c (sparc_override_options): If arch and
2871 pointer size disagree, emit diagnostic and fix it up. If
2872 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2873 V8PLUS in 64-bit mode.
2874 * config/sparc/t-linux64: New file.
2875 * config/sparc/t-sol2-64: New file.
2876 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2877 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2878 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2879 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2880 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2881 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2883 (STARTFILE_SPEC): Set approriately based upon those.
2884 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2885 disposition of DEFAULT_ARCH32_P.
2886 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2887 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2888 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2889 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2890 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2892 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2894 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2896 * rtl.h (init_virtual_regs): New function.
2897 * emit-rtl.c (init_virtual_regs): Define.
2898 (insn_emit): Use it.
2899 * integrate.c (save_for_inline_copying): Likewise.
2901 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2903 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2904 (enum reg_class): Add NONARG_LO_REGS support.
2905 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2906 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2907 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2908 completes. Re-enable HImode REG+OFFSET addresses.
2909 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2911 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2913 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2915 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2916 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2917 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2919 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2921 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2922 jumps as a single entity, taking into account the size of the
2925 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2927 * tree.def (SWITCH_EXPR): New tree node definition.
2929 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2931 * version.c: Bump for snapshot.
2933 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2935 * version.c: Bump for snapshot.
2937 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2939 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2942 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2944 * Revert this patch.
2945 * reload.c (find_reloads): Do not replace a pseudo with
2946 (MEM (reg_equiv_addr)) in the initializing insn for the
2949 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2951 * final.c (final_scan_insn): Disable tracking CC across branches.
2953 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2955 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2956 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2957 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2958 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2959 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2961 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2963 * toplev.c (rest_of_compilation): Skip compiling anything with
2964 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2966 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2968 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2969 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2970 use in_libcall_block.
2971 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2972 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2975 Mon Sep 21 14:02:23 1998
2977 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2978 typo in no-fancy-math-387 description.
2980 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2982 * version.c: Bump for snapshot.
2984 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2986 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2988 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2990 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2991 documented in install.texi.
2992 (TARGET_OPTIONS) Likewise.
2994 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2996 * version.c: Bump for snapshot.
2998 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3000 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3001 * cccp.c (main): Likewise.
3003 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3004 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3007 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3009 * Makefile.in (LIBS): Link in libiberty.a.
3010 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3012 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3014 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3015 it to update bb boundaries. Update caller.
3016 * function.c (reposition_prologue_and_epilogue_notes): Update
3017 bb boundaries wrt the moved note.
3019 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3021 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3023 * configure: Regenerate.
3025 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3027 * alpha.c (alpha_sr_alias_set): New variable.
3028 (override_options): Set it.
3029 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3030 (mode_mask_operand): Fix signed-unsigned comparision warning.
3031 (alpha_expand_block_move): Likewise.
3032 (print_operand): Likewise.
3033 (get_aligned_mem): Use change_address.
3034 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3035 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3036 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3037 (alpha_align_insns): Remade from old alphaev5_align_insns
3038 to handle multiple processors.
3039 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3040 * output.h (label_to_alignment): Prototype.
3042 * tree.c (new_alias_set): New function.
3043 * tree.h (new_alias_set): Declare it.
3044 * c-common.c (c_get_alias_set): Use it.
3046 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3048 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3049 to an ABS expr, convert an unsigned input to signed.
3051 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3053 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3055 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3057 * configure.in: Add support for c4x targets.
3058 * configure: Rebuilt.
3060 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3062 * combine.c (distribute_notes): If an insn is a cc0 user, only
3063 delete it if we can also delete the cc0 setter.
3065 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3067 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3068 (invert_truthvalue): Enable truthvalue inversion for
3069 floating-point operands if -ffast-math.
3071 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3073 * configure.in: Disable collect2 for nextstep. Instead use
3075 * configure: Rebuilt.
3076 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3077 (ENDFILE_SPEC): Define.
3078 (OBJECT_FORMAT_MACHO): Define.
3079 (EH_FRAME_SECTION_ASM_OP): Define.
3080 * crtstuff.c: Handle MACHO.
3082 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3084 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3086 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3088 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3089 (_fpadd_parts): Get sign right for 0.
3091 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3093 * ginclude/varargs.h: Add support for C4x target.
3094 * ginclude/stdargs.h: Likewise.
3096 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3098 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3099 (alpha_emit_set_long_const): Rewrite to be callable from reload
3101 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3102 * alpha.md (movdi): Likewise.
3104 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3106 * arm.c (add_constant): New parameter address_only, change caller.
3107 Set it non-zero if taking the address of an item in the pool.
3108 (arm_reorg): Handle cases where we need the address of an item in
3111 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3113 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3114 memory addresses that are not in standard canonical form.
3116 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3118 * README.C4X: New file with information about the c4x ports.
3119 * ginclude/va-c4x.h: New file for c4x varargs support.
3120 * config/c4x: New directory with c4x port files.
3122 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3124 * reload.c (find_reloads): Do not replace a pseudo with
3125 (MEM (reg_equiv_addr)) in the initializing insn for the
3128 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3130 * toplev.c (rest_of_compilation): Set bct_p on second call to
3132 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3134 (strength_reduce): Only call analyze_loop_iterations and
3135 insert_bct if bct_p set.
3136 (check_dbra_loop): Fix typo.
3137 (insert_bct): Use word_mode instead of SImode.
3138 (instrument_loop_bct): Likewise. Do not delete iteration count
3139 condition code generation insn. Initialize iteration count before
3141 * rtl.h (loop_optimize): Update prototype.
3143 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3144 not doubleword aligned.
3146 * rs6000.c (optimization_options): New function.
3147 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3148 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3149 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3150 first; cr1 can be used for FP record condition insns.
3152 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3154 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3157 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3160 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3162 (block_move_call): New function: Call a library routine to copy a
3164 (m32r_expand_block_move): New function: Expand a "movstrsi"
3165 pattern into a sequence of insns.
3166 (m32r_output_block_move): New function: Expand a
3167 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3168 (m32r_block_immediate_operand): New function: Return true if the
3169 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3171 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3173 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3175 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3177 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3179 * regmove.c (copy_src_to_dest): Check that modes match.
3181 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3183 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3185 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3187 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3188 narrower than FLOAT_REGS.
3190 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3192 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3194 * Makefile.in (old_gxx_include_dir): removed
3196 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3198 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3201 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3202 (sh_handle_pragma): Change function arguments to match new
3203 specification for HANDLE_PRAGMA.
3205 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3207 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3209 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3210 When generating output, initialize missing struct member to zero.
3212 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3214 * regmove.c (copy_src_to_dest): Don't copy if that requires
3215 (a) new register(s).
3217 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3219 * global.c (reg_allocno): Now static.
3220 * reload1.c (reg_allocno): Delete declaration.
3221 (order_regs_for_reload): Take no arguments. Don't treat regs
3222 allocated by global differently than those allocated by local-alloc.
3224 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3226 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3227 condition, fix format strings.
3228 (output_function_epilogue): Likewise.
3230 * m68k/m68k.c: Don't include <stdlib.h> directly.
3232 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3234 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3235 mem_first_set, mem_last_set; because 0 can be a CUID.
3236 (oprs_unchanged_p): Use new definition.
3237 (record_last_reg_set_info): Likewise.
3238 (record_last_mem_set_info): Likewise.
3239 (compute_hash_table): Likewise.
3241 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3243 * rs6000.c (output_epilogue): Handle Chill.
3245 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3246 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3248 * combine.c (make_extraction): If no mode is specified for
3249 an operand of insv, extv, or extzv, default it to word_mode.
3250 (simplify_comparison): Similarly.
3251 * expmed.c (store_bit_field): Similarly.
3252 (extract_bit_field): Similarly.
3253 * function.c (fixup_var_regs_1): Similarly.
3254 * recog.c (validate_replace_rtx_1): Similarly.
3255 * mips.md (extv, extzv, insv expanders): Default modes for most
3256 operands. Handle TARGET_64BIT.
3257 (movdi_uld, movdi_usd): New patterns.
3259 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3260 equivalent memory location unless we have been provided a scratch
3261 register. Similarly do not call find_replacement unless a
3262 scratch register has been provided.
3264 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3266 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3269 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3271 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3272 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3273 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3274 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3275 * c-decl.c (init_decl_processing): Update accordingly.
3276 * expr.c (expand_builtin): Likewise.
3278 * rtl.h (global_rtl): Add cfa entry.
3279 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3280 (LAST_VIRTUAL_REGISTER): Update.
3281 * emit-rtl.c (global_rtl): Add cfa entry.
3282 (init_emit): Initialize it.
3283 * function.c (cfa_offset): New.
3284 (instantiate_virtual_regs): Initialize it.
3285 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3286 (expand_function_end): Call expand_eh_return.
3287 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3289 * except.c (current_function_eh_stub_label): Kill.
3290 (current_function_eh_old_stub_label): Likwise; update all references.
3291 (expand_builtin_set_return_addr_reg): Kill.
3292 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3293 (expand_builtin_set_eh_regs): Kill.
3294 (eh_regs): Produce a third reg for the actual handler address.
3295 (eh_return_context, eh_return_stack_adjust): New.
3296 (eh_return_handler, eh_return_stub_label): New.
3297 (init_eh_for_function): Initialize them.
3298 (expand_builtin_eh_return, expand_eh_return): New.
3299 * except.h: Update prototypes.
3300 * flow.c (find_basic_blocks_1): Update references to the stub label.
3301 * function.h (struct function): Kill stub label elements.
3303 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3304 register number is one that would be in the previous window.
3305 Provide a dummy definition for non-windowed targets.
3306 (get_reg_addr): New function.
3307 (get_reg, put_reg, copy_reg): Use it.
3308 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3309 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3311 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3312 (alpha_init_expanders): Initialize it.
3313 (alpha_expand_epilogue): Use it.
3314 * alpha.h: Declare it.
3315 * alpha.md (eh_epilogue): New.
3317 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3318 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3320 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3322 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3325 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3327 * except.h (struct eh_entry): Add false_label field.
3328 (end_catch_handler): Add prototype.
3329 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3330 (start_catch_handler): When using old style exceptions, issue
3331 runtime typematch code before continuing with the handler.
3332 (end_catch_handler): New function, generates label after handler
3333 if needed by older style exceptions.
3334 (expand_start_all_catch): No need to check for new style exceptions.
3335 (output_exception_table_entry): Only output the first handler label
3336 for old style exceptions.
3337 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3338 mechanism into one function, if a runtime matcher is provided.
3340 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3342 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3344 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3346 * integrate.c (copy_decl_list): Fix typo.
3348 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3350 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3353 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3355 * version.c: Bump for snapshot.
3357 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3359 * version.c: Bump for snapshot.
3361 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3363 * version.c: Bump for snapshot.
3365 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3367 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3369 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3371 * configure.in: remove usage of `!' to negate the result of a
3372 command; some common shells do not support it
3374 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3376 * configure.in: in sparc9-sol2 config, use 'if test' not
3378 * configure: Rebuilt.
3380 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3382 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3383 (CPP_CPU_DEFAULT_SPEC): Likewise.
3384 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3385 for arch64 libfuncs.
3387 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3390 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3392 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3394 * collect2.c: Don't declare `sys_siglist' here.
3395 (my_strsignal): Prototype and define new function. Use it in
3396 place of `sys_siglist' hacks.
3398 * mips_tfile.c: Likewise.
3400 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3401 (GCC_NEED_DECLARATIONS): Likewise.
3403 * system.h (strsignal): Prototype it, if necessary.
3404 (sys_siglist): Declare it, if necessary.
3406 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3408 * loop.c (move_movables): While removing insn sequences, preserve
3409 the next pointer of the most recently deleted insn when we skip
3412 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3414 * objc/config-lang.in: Do not output the name of the selected
3415 thread file when building the front-end. The Makefile for the
3416 runtime library will do this.
3418 * objc/Make-lang.in: Do not build the runtime library or install
3419 the Objective C header files. The Makefile for the runtime
3420 library will do this.
3422 * objc/Makefile.in (all.indirect): Only build the front-end.
3423 (compiler): Rename to `frontend'.
3424 (obj-runtime): Remove target.
3425 (copy-headers): Likewise.
3426 (clean): No need to remove `libobjc.a' any longer.
3428 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3430 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3431 supported with -mcpu=xxx.
3433 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3435 * flow.c (mark_set_1): Recognize multi-register structure return
3436 values in CALL insns.
3437 (mark_used_regs): Likewise.
3438 (count_reg_sets_1): Likewise.
3439 (count_reg_references): Likewise.
3440 * rtlanal.c (note_stores): Likewise.
3441 (reg_overlap_mentioned_p): Likewise.
3442 * haifa-sched.c (check_live_1): Likewise.
3443 (update_live_1): Likewise.
3444 (sched_analyze_1): Likewise.
3445 (sched_note_set): Likewise.
3446 (birthing_insn_p): Likewise.
3447 (attach_deaths): Likewise.
3449 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3452 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3454 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3456 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3458 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3460 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3462 * configure.in: Add check for GAS subsection -1 support.
3463 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3464 * configure config.in: Rebuilt.
3465 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3466 SImode is subsection -1 works, else use DImode.
3467 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3468 subsection -1 works.
3469 * config/sparc/sparc.c (sparc_output_addr_vec,
3470 sparc_output_addr_diff_vec): Use them if defined.
3472 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3474 * tree.h (DECL_ORIGIN): New macro.
3475 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3476 (copy_decl_list): Use it.
3477 (integrate_parm_decls): Likewise.
3478 (integrate_decl_tree): Likewise.
3479 * dwarf2out.c (decl_ultimate_origin): Simplify.
3480 * dwarfout.c (decl_ultimate_origin): Likewise.
3481 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3482 (pushdecl): Likewise.
3484 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3486 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3488 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3490 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3492 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3494 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3495 empty or has a single entry.
3497 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3498 before calling reg_to_stack.
3500 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3502 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3503 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3505 * c-tree.h (warn_long_long): Declare it.
3507 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3509 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3510 initialized float-int union if the value is a NaN.
3512 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3514 * c-lex.c (real_yylex): Don't warn about long long constants if
3515 we're allowing long long
3517 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3519 * except.h (current_function_eh_stub_label): Declare.
3520 (current_function_eh_old_stub_label): Declare.
3521 * function.h (struct function): New members eh_stub_label and
3523 * except.c (current_function_eh_stub_label): New variable.
3524 (current_function_eh_old_stub_label): New variable.
3525 (init_eh_for_function): Clear them.
3526 (save_eh_status): Save them.
3527 (restore_eh_status): Restore them.
3528 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3529 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3530 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3531 make an edge from the block that contains it to the block starting
3532 with the label if this label is one of the eh stub labels.
3533 If eh stub labels exist, show they are reachable from the last block
3536 * reload1.c (reload): Break out several subroutines and make some
3538 (calculate_needs_all_insns): New function, broken out of reload.
3539 (calculate_needs): Likewise.
3540 (find_reload_regs): Likewise.
3541 (find_group): Likewise.
3542 (find_tworeg_group): Likewise.
3543 (something_needs_reloads): New global variable, formerly in reload.
3544 (something_needs_elimination): Likewise.
3545 (caller_save_spill_class): Likewise.
3546 (caller_save_group_size): Likewise.
3547 (max_needs): Likewise.
3548 (group_size): Likewise.
3549 (max_groups): Likewise.
3550 (max_nongroups): Likewise.
3551 (group_mode): Likewise.
3552 (max_needs_insn): Likewise.
3553 (max_groups_insn): Likewise.
3554 (max_nongroups_insn): Likewise.
3555 (failure): Likewise.
3557 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3559 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3561 * loop.c (load_mems): Copy rtx for output mem.
3563 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3565 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3566 mips1 or mips2 either.
3568 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3570 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3572 (pa_adjust_insn_length): Update to work with new marking scheme
3573 for jumps inside switch tables.
3574 * pa.md (switch_jump): Remove pattern.
3575 (jump): Handle jumps inside jump tables.
3577 * Makefile.in (profile.o): Depend on insn-config.h
3579 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3581 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3583 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3585 Add preliminary native sparcv9 Solaris support.
3586 * configure.in: Recognize sparv9-*-solaris2*
3587 * configure: rebuilt
3588 * config.sub: Recognize sparcv9 just like sparc64.
3589 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3590 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3591 32-bit and 64-bit Solaris systems.
3592 * config/sparc/t-sol2: Assemble those with cpp.
3593 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3594 (*TF*_LIBCALL): If ARCH64 use V9 names.
3595 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3597 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3599 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3600 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3602 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3604 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3605 to Pmode if CASE_VECTOR_MODE is something else.
3607 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3609 * prefix.c (update_path): Correctly handle cases where PATH is
3610 a substring of the builtin prefix, but specifies a different
3613 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3615 * expr.c: Corrected comment about what MOVE_RATIO does.
3616 * config/alpha/alpha.h: Ditto.
3617 * config/1750a/1750a.h: Ditto.
3618 * config/clipper/clipper.h: Ditto.
3619 * config/i386/i386.h: Ditto.
3621 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3623 * configure.in (m68k-next-nextstep3*): Use collect2.
3624 Similarly for x86 NeXT configurations.
3625 * configure: Rebuilt.
3627 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3629 * configure.in: Don't assume srcdir is .../gcc
3630 * configure: Rebuilt.
3632 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3634 * global.c: Update comments.
3635 (global_alloc): Assign allocation-numbers
3636 even for registers allocated by local_alloc in case
3637 they are later spilled and retry_global_alloc is called.
3638 (mark_reg_store, mark_reg_clobber,
3639 mark_reg_conflicts, mark_reg_death): Always record a
3640 conflict with a pseudo register even if it has been
3641 assigned to a hard register.
3642 (dump_conflicts): Don't list pseudo registers already assigned to
3643 a hard register as needing to be allocated, but do list their
3645 * local-alloc.c: Update comment.
3647 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3649 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3650 * configure: Rebuilt.
3652 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3654 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3656 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3657 for all targets that set -msoft-float.
3659 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3661 * toplev.c (print_switch_values): Make static to match prototype.
3663 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3665 * configure.in: If we are unable to find the "gnatbind" program,
3666 then do not configure the ada subdir.
3667 * configure: Rebuilt.
3669 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3671 * version.c: Bump for snapshot.
3673 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3675 * version.c: Bump for snapshot.
3677 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3679 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3680 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3682 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3684 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3686 * genextract.c: Have insn-extract.c include toplev.h.
3688 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3690 * toplev.c: Include expr.h.
3691 (really_sorry, fancy_abort): Remove prototypes.
3692 (set_target_switch): Add argument in prototype.
3693 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3694 (v_really_sorry): Likewise.
3695 (print_version, print_single_switch, print_switch_values): Make
3696 static and add prototype arguments.
3697 (decl_printable_name): Add prototype arguments.
3698 (lang_expand_expr_t): New typedef.
3699 (lang_expand_expr): Declare as a lang_expand_expr_t.
3700 (incomplete_decl_finalize_hook): Add prototype argument.
3701 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3702 (botch): Likewise for variable `s'.
3703 (rest_of_type_compilation): Mark variables `type' and `toplev'
3704 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3705 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3706 (display_help): Make variable `i' an `unsigned long'.
3707 (main): Remove unused parameter `envp'.
3708 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3709 Cast -1 when comparing it with a `size_t'.
3711 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3712 prototype with ATTRIBUTE_NORETURN.
3713 (fatal_insn_not_found, fatal_insn, really_sorry,
3714 push_float_handler, pop_float_handler): Add prototypes.
3715 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3716 (do_abort, botch): Add prototypes.
3718 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3720 * final.c (final): If a label is reached only from a single jump,
3721 call NOTICE_UPDATE_CC on the jump and its predecessor before
3722 emitting the insn after the label.
3724 * i386.h: Add AMD K6 support.
3725 Change TARGET_* macros to use table lookup.
3726 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3727 (ADJUST_COST): Change definition to call function in i386.c.
3728 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3729 * i386.c: Add AMD K6 support.
3730 Add constants for feature tests used by TARGET_* macros.
3731 (split_di): If before reload, call gen_lowpart and gen_highpart.
3732 (x86_adjust_cost): New function.
3733 (put_jump_code): New function.
3734 (print_operand): New codes 'D' and 'd'.
3735 * i386.md: New insn types. New insn attribute "memory".
3736 Redefine scheduling parameters to use new types and add AMD K6
3737 support. Explicitly set type of most insns.
3738 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3739 Pro and K6 prefer movl $1,reg to incl reg.
3740 (adddi3, subdi3): Set cc_status.
3741 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3742 to int; x86 can't have more than 2^31 DImode shifts per file.
3743 (setcc): Combine all setcc patterns. Allow writing memory.
3744 Combine all jump patterns using match_operator.
3745 (*bzero): Name pattern. Emit mutliple stos instructions when that
3746 is faster than rep stos.
3747 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3750 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3752 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3755 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3757 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3758 not whatever we're generating now.
3760 * alpha.c (set_frame_related_p, FRP): New.
3761 (alpha_expand_prologue): Mark frame related insns.
3762 (alpha_expand_epilogue): Likewise, but with a null FRP.
3763 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3764 * alpha.md (exception_receiver): New.
3765 * alpha/crtbegin.asm (.eh_frame): New beginning.
3766 (__do_frame_setup, __do_frame_takedown): New.
3767 * alpha/crtend.asm (.eh_frame): New ending.
3768 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3769 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3770 (ASM_FILE_START): Don't emit .file for dwarf2.
3772 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3773 * rtl.c (reg_note_name): Likewise.
3774 * rtl.texi (REG_NOTES): Likewise.
3775 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3778 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3780 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3781 * i386.md (movsf, movdf, movxf): Validate memory address returned
3782 from force_const_mem. Kill useless REG_EQUAL setting code.
3784 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3786 * m68k.md (zero_extendsidi2): Fix typo.
3788 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3790 * configure.in: Removed references to the removed file
3791 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3792 * arm*-*-netbsd* and ns32k-*-netbsd*.
3793 * config/i386/xm-netbsd.h: Removed unnecessary file.
3794 * config/m68k/xm-netbsd.h: Likewise.
3795 * config/sparc/xm-netbsd.h: Likewise.
3796 * config/mips/xm-netbsd.h: Likewise.
3798 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3800 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3801 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3803 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3804 for exact section attributions.
3806 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3808 * i386/crtdll.h (CPP_PREDEFINES): Define.
3810 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3812 * m68k.md (5200 movqi): Do not allow byte sized memory references
3814 * m68k.c (output_move_qimode): Do not use byte sized operations on
3817 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3818 explicit rules for building. Similarly for alloca, vfprintf,
3819 choose-temp and mkstemp, getopt, getopt1, and obstack.
3820 (INCLUDES): Add $(srcdir)/../include.
3821 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3822 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3824 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3826 * gcc.c (do_spec_1): [case 'o'] Account for
3827 lang_specific_extra_outfiles.
3828 (main): Correctly clear all slots in outfiles for
3829 lang_specific_extra_outfiles. Set input_file_number before
3830 calling lang_specific_pre_link.
3832 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3834 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3836 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3838 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3840 (sparc_output_deferred_case_vectors): If no work to do, return.
3841 Fix thinko in Sept 1 change.
3843 1998-09-03 SL Baur <steve@altair.xemacs.org>
3845 * Makefile.in: add semicolon in BISON definition for portability.
3847 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3849 * config/nextstep.c (handle_pragma): Correct name of third
3852 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3854 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3855 * config/m32r/m32r.h: Make register 17 be fixed.
3856 * config/m32r/m32r.c: Use SImode for cc operations.
3858 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3860 * invoke.texi (Warning Options): Add -Wnon-template-friend
3863 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3865 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3867 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3869 * rs6000.md (movsf): Disable explicit secondary-reload-like
3870 functionality if TARGET_POWERPC64.
3871 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3874 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3876 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3877 and term.h from fixinc.wrap.
3879 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3881 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3882 safe to include both string.h and strings.h together.
3883 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3884 which headers to search for function declarations. Continue to
3885 prefer string.h over strings.h when both are not acceptable.
3887 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3889 * configure.in: Call GCC_HEADER_STRING.
3891 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3892 to include. Continue to prefer string.h over strings.h when both
3895 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3897 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3898 not assume top 32-bits of symbolic addresses are zero if
3901 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3903 * ginclude/va-alpha.h: Protect entire second portion of the
3904 file against double inclusion.
3906 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3908 Added support for the Boehm's garbage collector.
3909 * configure.in: Handle --enable-objc-gc.
3910 * configure: Rebuilt.
3911 * Makefile.in (CHECK_TARGETS): Add check-objc.
3912 (check-objc): New rule.
3913 * objc/Make-lang.in: Build a different Objective-C library that
3914 runs with the Boehm's collector.
3915 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3916 * objc/encoding.c: Correctly compute the size of compound types in
3917 the presence of bitfields. Skip the variable name of the type if
3918 any. Added support for long long.
3919 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3920 (_F_GCINVISIBLE): New mask.
3921 * objc/gc.c: New file. Compute the type memory mask associated with
3922 a class based on the runtime information.
3923 * objc/misc.c: Added the hooks that use the Boehm's collector
3924 allocation functions.
3925 * objc/objc-act.c (build_class_template): Generate a new class
3926 member (gc_object_type) to hold the class' type memory mask.
3927 (build_shared_structure_initializer): Initialize the new member to
3929 (encode_complete_bitfield): New function. Generate the new
3931 (encode_field_decl): Generate the new encoding only for the GNU
3933 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3935 (class_get_gc_object_type): New function to mark a pointer instance
3936 variable as a weak pointer.
3937 * objc/objc-features.texi: New file.
3938 * objc/objc.h (gc_object_type): New class member.
3939 * objc/objects.c (class_create_instance): Create a typed memory
3940 object when compiled with Boehm's collector support.
3941 * objc/sendmsg.c (__objc_init_install_dtable): Call
3942 __objc_send_initialize instead of setting the initialize flag.
3943 (__objc_send_initialize): Call __objc_generate_gc_type_description
3944 to generate the class type memory mask. Rewrite the code that
3945 sends the +initialize so that it is called only once (bug report
3946 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3947 * testsuite/objc: New testsuite for Objective-C type encoding.
3948 * testsuite/lib/objc-torture.exp: New file.
3949 * testsuite/lib/objc.exp: New file.
3951 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3953 * jump.c (jump_optimize): In if/then/else transformations, add
3954 another call to modified_between_p for the jump insn.
3956 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3958 * fix-header.c (symlink): Treat like readlink.
3960 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3962 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3965 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3967 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3968 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3969 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3971 * config/nextstep.c (handle_pragma): Take three arguments, as per
3972 the new HANDLE_PRAGMA macro specification.
3973 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3974 per the new HANDLE_PRAGMA macro specification.
3975 * config/i960/i960.c (process_pragma): Take three arguments, as
3976 per the new HANDLE_PRAGMA macro specification.
3978 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3980 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3981 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3982 if unknown pragmas are encountered.
3983 (handle_sysv_pragma): Interpret return code from
3984 handle_pragma_token (). Return success/failure indication rather
3985 than next unprocessed character.
3986 (pragma_getc): New function: retrieves characters from the
3987 input stream. Defined when HANDLE_PRAGMA is enabled.
3988 (pragma_ungetc): New function: replaces characters back into the
3989 input stream. Defined when HANDLE_PRAGMA is enabled.
3991 * c-pragma.c (handle_pragma_token): Return success/failure status
3994 * c-pragma.h: Change prototype of handle_pragma_token().
3996 * varasm.c: (handle_pragma_weak): Only create this function if
3997 HANDLE_PRAGMA_WEAK is defined.
3999 * c-common,c (decl_attributes): If defined call the expression
4000 contained within the INSERT_ATTRIBUTES macro before adding
4001 attributes to a decl.
4003 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4004 HANDLE_PRAGMA, which takes three arguments.
4005 (INSERT_ATTRIBUTES): Document this new macro.
4007 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4008 new INSERT_ATTRIBUTES macro.
4010 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4012 * config/sparc/sparc.md (movdf): Only generate special RTL for
4013 LABEL_REFs when PIC.
4014 (move_label_di): Remove
4015 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4016 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4017 references when PIC.
4018 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4019 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4020 output an .xword for all 64-bit cases.
4022 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4024 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4025 alignment, use FUNCTION_BOUNDARY instead.
4026 (sparc_output_deferred_case_vectors): Likewise.
4028 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4030 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4031 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4033 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4035 * alpha/va_list.h: New file.
4036 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4038 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4040 * NEWS: Add SCO Openserver and Unixware 7 notes.
4044 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4046 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4047 (record_constant_1): Handle RANGE_EXPR.
4049 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4051 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4052 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4053 and NOTE_INSN_RANGE_END specially.
4054 (reemit_notes): Likewise.
4056 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4058 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4059 (ultrasparc_sched_init): Remove unneeded &.
4061 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4063 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4064 for m68020-60, to prevent the use of fintrz.
4066 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4068 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4070 * Makefile.in: Likewise.
4071 * configure: Regenerated.
4073 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4075 * configure.in (gxx_include_dir): Changed to
4076 '${prefix}/include/g++'-${libstdcxx_interface}.
4077 * configure: Rebuilt.
4079 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4081 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4083 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4084 *sequences* *below* which scalar moves will be used.
4086 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4088 * collect2.c (mktemp): Delete unused declaration.
4090 * config/xm-netbsd.h: Remove unnecessary file.
4091 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4092 file anymore, it is not needed.
4094 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4096 * convert.c (convert_to_integer): Issue an error on conversions to
4099 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4101 * Makefile.in: Add lang_tree_files and gencheck.h.
4102 * configure.in: Generate them.
4103 * gencheck.c: Include gencheck.h.
4105 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4107 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4108 movdi_lo_sum_pic and movdi_high_pic and make visible.
4109 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4110 emit these when Pmode is not SImode.
4111 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4113 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4115 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4116 .linkonce directive after the first time.
4118 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4120 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4121 the clobbered operand overlaps with an input.
4122 (bne0_di): Similarly.
4124 * Makefile.in (INSTALL): Remove "--no-header" argument.
4126 * NEWS: Various updates.
4128 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4130 * config/sparc/sparc.c (arith_operand, const64_operand,
4131 const64_high_operand, arith_double_4096_operand): Mark mode as
4133 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4135 (sparc_emit_set_const64): Remove unused variable i.
4136 (sparc_splitdi_legitimate): Likewise for addr_part.
4137 (ultra_code_from_mask): Likewise for mask.
4138 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4139 reverse return values so it matches usage and comments.
4140 (ultra_flush_pipeline): Likewise.
4141 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4142 this_type, and allow loads and stores of differing FP modes as
4143 they do not create a conflict.
4144 (ultra_find_type): Initialize fpmode to SFmode, fix
4145 parenthesization thinkos in large conditional.
4146 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4147 Init free_slot_mask after ultra_cur_hist is reset, not before.
4148 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4149 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4150 use ultra_flush_pipeline instead, then re-init group pointer.
4151 Fix statement with no effect. If no progress made in, and no
4152 instructions scheduled at all, advance to new pipeline cycle else
4153 we get into an endless loop.
4154 (ultrasparc_adjust_cost): Remove previous arg.
4155 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4157 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4159 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4160 code. Use reg_overlap_mentioned_p to detect when source and
4161 destination overlap.
4162 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4164 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4166 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4167 COMPARISON_VAL, into invariant_p.
4169 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4171 * regmove.c (regclass_compatible_p): New function.
4172 (regmove_optimize): Use it.
4174 Use NREGS parameter insted of calling max_reg_num.
4176 (fixup_match_1): Don't use code = MINUS when later tieing with
4177 a hard register is likely.
4179 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4181 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4182 COMPARISON_VAL was normalized.
4184 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4186 * loop.c (check_dbra_loop): The loop ending comparison value
4187 must be an invariant or we can not reverse the loop.
4189 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4190 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4192 (load_mems_and_recount_loop_regs_set): Likewise.
4194 * i386.c (print_operand): Remove obsolete 'c' docs.
4196 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4198 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4199 * frame.c (init_object_mutex): New function.
4200 (init_object_mutex_once): Likewise.
4201 (find_fde): Call it.
4202 (__register_frame_info): Likewise.
4203 (__register_frame_info_table): Likewise.
4204 (__deregister_frame_info): Likewise.
4206 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4208 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4210 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4212 * loop.c (check_dbra_loop): Enable code for reversal
4213 of some loops without a known constant loop end.
4215 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4217 * haifa-sched.c (last_clock_var): New.
4218 (schedule_block): Initialize it.
4219 (schedule_insn): Use it to fill insn modes with issue information.
4221 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4222 Tag trapb and next insn with TImode.
4223 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4224 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4225 Invoke alphaev5_align_insns as appropriate.
4226 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4227 (MD_SCHED_VARIABLE_ISSUE): New.
4228 * alpha.md (attr type): Add multi.
4229 (define_asm_attributes): New.
4230 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4231 (arg_home): Likewise.
4232 (fnop, unop, realign): New.
4234 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4236 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4237 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4239 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4240 (rs6000-ibm-aix4.[12]*): Likewise.
4241 * configure: Regnerate.
4243 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4245 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4246 already contains the return address.
4248 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4250 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4251 word sized hunks when loading unaligned args into registers.
4253 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4254 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4256 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4258 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4260 * loop.c (check_dbra_loop): Add some code that would allow reversal
4261 of some loops without a known constant loop end if it were enabled.
4263 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4265 * mips.md (lshrsi3_internal2+2): Fix type-o.
4267 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4269 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4270 correctly with regards to stdio.h.
4272 * calls.c: Remove stdarg.h/varargs.h.
4275 * combine.c: Likewise.
4276 * cpperror.c: Likewise.
4277 * cpplib.c: Likewise.
4278 * cpplib.h: Likewise.
4279 * doprint.c: Likewise.
4280 * emit-rtl.c: Likewise.
4281 * final.c: Likewise.
4282 * fix-header.c: Likewise.
4284 * genattr.c: Likewise.
4285 * genattrtab.c: Likewise.
4286 * gencodes.c: Likewise.
4287 * genconfig.c: Likewise.
4288 * genemit.c: Likewise.
4289 * genextract.c: Likewise.
4290 * genflags.c: Likewise.
4291 * genopinit.c: Likewise.
4292 * genoutput.c: Likewise.
4293 * genpeep.c: Likewise.
4294 * genrecog.c: Likewise.
4295 * mips-tfile.c: Likewise.
4296 * prefix.c: Likewise.
4297 * protoize.c: Likewise.
4298 * regmove.c: Likewise.
4299 * toplev.c: Likewise.
4302 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4304 * config/sparc/sparc.c (sparc_override_options): If not
4305 TARGET_FPU, turn off TARGET_VIS.
4306 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4307 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4308 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4309 (movdi_insn_sp64): Add VIS fzero alternative.
4310 (clear_sf, clear_df): New VIS patterns.
4311 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4313 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4315 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4317 * loop.c (n_times_set, n_times_used, may_not_optimize,
4318 reg_single_usage): Convert to varrays. All uses changed.
4319 (insert_loop_mem): Return a value.
4320 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4321 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4324 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4327 * configure.in: Do not set thread_file to "irix" since no such
4330 * sparc.md (float abs/neg splits): Check reload_completed before
4331 calling alter_subreg.
4333 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4335 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4337 * config/sparc/sparc.h: Declare it.
4338 * config/sparc/sparc.md (float abs/neg splits): Use it.
4339 (all other splits): Handle SUBREGs properly where necessary.
4340 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4342 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4344 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4345 an insn on the unfilled_slots_list that has no delay slots.
4346 (fill_eager_delay_slots): Similarly.
4348 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4350 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4351 as an ordinary operand.
4353 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4355 * tree.c (valid_machine_attribute): Don't apply attributes to both
4358 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4360 * reload.c (operands_match_p): Handle rtvecs.
4362 * i386.c (legitimate_pic_address_disp_p): New.
4363 (legitimate_address_p): Use it.
4364 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4365 Handle constant pool symbols just like statics.
4366 (emit_pic_move): Use Pmode not SImode for clarity.
4367 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4368 [UNSPEC]: New, handling what we killed above.
4369 [PLUS]: Detect and abort on invalid symbol arithmetic.
4370 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4372 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4374 * alias.c: Include output.h.
4375 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4376 different if we're in a varargs function.
4377 * Makefile.in (alias.o): Depend on output.h
4379 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4381 * sh.h (GIV_SORT_CRITERION): Delete.
4383 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4385 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4386 * stupid.c (stupid_life_analysis): Ditto.
4387 * reload1.c (reload): Ditto.
4389 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4391 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4392 arith_double_4096_operand, arith_double_add_operand): New
4394 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4395 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4396 them to transform add/sub 4096 into add/sub -4096.
4398 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4400 * loop.c (scan_loop): Allocate some slop to handle pseudos
4401 generated by move_movables.
4402 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4405 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4407 * tree.def (DECL_RESULT): Correct documentation.
4409 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4411 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4412 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4413 conflicts will all RELOAD_FOR_OUTPUT reloads.
4415 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4416 loads the function result, substitute with a USE.
4418 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4420 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4421 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4422 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4423 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4424 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4425 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4427 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4428 'o' to 'm' for GPR variant constraints.
4430 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4432 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4434 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4436 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4437 when the source and destination overlap.
4439 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4440 clash with global type.
4442 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4444 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4446 * c-common.c (combine_strings): Also set TREE_READONLY.
4447 Change warn_write_strings to flag_const_strings.
4448 * c-decl.c, c-tree.h: Likewise.
4450 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4452 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4453 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4454 sequence, use SET/IOR instead so CSE can see it.
4455 * config/sparc/sparc.md (movhi_const64_special,
4456 movsi_const64_special): New patterns necessitated by that change.
4457 (movhi_high): Remove.
4458 (movhi_lo_sum): Change to match an IOR.
4459 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4460 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4461 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4462 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4463 registers are involved.
4464 (snesi_zero_extend split): Remove reload_completed test.
4465 (unnamed plus and minus zero_extend sidi splits): Add it.
4467 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4469 * extend.texi: Remove description of extension to explicit
4470 instantiation that is now endorsed by standard C++.
4472 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4474 * config/arc/arc.c (arc_initialize_pic): Remove.
4475 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4476 nothing on any platform and is invoked by no-one, it does not even
4477 appear in the documentation.
4478 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4479 * config/sparc/sparc.c (initialize_pic): Likewise.
4480 (find_addr_reg): Remove this as well, no longer referenced after
4483 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4485 * recog.c (validate_replace_rtx_group): New function.
4486 * recog.h (validate_replace_rtx_group): Declare it.
4487 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4488 the entire group of substitutions.
4490 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4492 * loop.c (load_mems): Fix initializers.
4494 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4496 * config/sparc/sparc.md (TFmode splits): Handle destination
4497 registers being referenced in the address correctly.
4499 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4500 TREE_UNSIGNED, when bitsize of type's mode is larger than
4501 HOST_BITS_PER_WIDE_INT.
4503 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4505 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4506 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4507 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4509 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4512 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4514 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4515 * h8300.h (TINY_DATA_NAME_P): Likewise.
4516 (STRIP_NAME_ENCODING): Handle '&'.
4518 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4519 register (it could be accessed via an outer SUBREG).
4520 (REG_OK_FOR_BASE_P): Likewwise.
4521 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4523 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4526 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4528 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4530 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4531 must be offsettable so the splits can be made.
4533 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4535 * config/i386/winnt.c: Include system.h, not stdio.h to get
4536 sys/param.h pulled in before rtl.h in case the system defines MIN
4539 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4541 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4543 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4545 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4547 * cpplib.c (cpp_define): Handle macros with parameters.
4549 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4551 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4552 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4553 and DImode 64-bit. Use llong for minimal-toc SFmode and
4554 SYMBOL_REF / LABEL_REF 64-bit.
4555 (output_function_profiler): Use llong for profiler label and ld to
4556 load 64-bit label address.
4558 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4560 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4563 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4565 * version.c: Bump for snapshot.
4567 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4569 * version.c: Bump for snapshot.
4571 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4573 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4575 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4577 * tm.texi (Misc): Fix typo "teh".
4579 * tm.texi (PIC): Fix typo "PPIC".
4581 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4582 effect when -O2 and higher.
4583 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4585 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4587 * regclass.c: Changed register set documentation to be consistent
4590 * final.c (final_start_function) Removed redundant test for
4593 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4595 * rtl.h (rtx_function): New type.
4596 (for_each_rtx): New function.
4597 * rtlanal.c (for_each_rtx): Define it.
4599 * recog.c (change_t): New type.
4600 (change_objects, change_old_codes, change_locs, change_olds):
4602 (changes): New variable.
4603 (validate_change): Dynamically allocate room for more changes, if
4604 necessary. Uses changes array instead of change_objects, etc.
4605 (apply_change_group): Use changes array instead of
4606 change_objects, etc.
4608 * loop.c (loop_mem_info): New type.
4609 (loop_mems): New variable.
4610 (loop_mems_idx): Likewise.
4611 (looop_mems_allocated): Likewise.
4612 (scan_loop): Remove nregs parameter.
4613 (next_insn_in_loop): New function.
4614 (load_mems_and_recount_loop_regs_set): Likewise.
4615 (load_mems): Likewise.
4616 (insert_loop_mem): Likewise.
4617 (replace_loop_mem): Likewise.
4618 (replace_label): Likewise.
4619 (INSN_IN_RANGE_P): New macro.
4620 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4621 (scan_loop): Remove nregs parameter, compute it after any new
4622 registers are created by load_mems. Use INSN_IN_RANGE_P and
4623 next_insn_in_loop rather than expanding them inline. Call
4624 load_mems to load memory into pseudos, if appropriate.
4625 (prescan_loop): Figure out whether or not there are jumps from the
4626 loop to targets other than the label immediately following the
4627 loop. Call insert_loop_mem to notice all the MEMs used in the
4628 loop, if it could be safe to pull MEMs into REGs for the duration
4630 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4632 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4634 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4636 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4638 * config/sparc/sparc.c (finalize_pic): Check for the correct
4639 nonlocal_goto_receiver UNSPEC number.
4640 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4641 making note of this dependency existing in sparc.c
4642 (negtf2_notv9 split): Give NEG SFmode.
4643 (negsf2): Fix insn output string.
4645 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4647 * c-common.c (decl_attributes): Issue an error if the argument
4648 to alias is not a string.
4650 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4652 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4653 pending memory flush list.
4655 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4657 (try_combine): Allow combining insns with REG_LIBCALL notes.
4659 * expr.c (emit_block_move): Do not call memcpy as a libcall
4660 instead build up a CALL_EXPR and call it like any other
4662 (clear_storage): Similarly for memset.
4664 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4667 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4670 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4671 and REG_LIVE_LENGTH as successful substitutions are made.
4673 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4675 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4676 statement after end of loop label.
4678 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4680 * config/sparc/sparc.c (ultra_types_avail): New variable.
4681 (ultra_build_types_avail): New function to record mask of insn
4682 types in ready list at this cycle.
4683 (ultrasparc_sched_reorder): Call it.
4684 (ultra_find_type): Use it to quicken the search. Also simplif
4685 dependency check, don't use rtx_equal_p because we know exactly
4686 what we are looking for.
4688 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4690 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4691 for architecture v4.
4693 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4695 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4697 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4698 movdf_const_intreg and helper splits): New patterns to move float
4699 constants into integer registers.
4700 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4703 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4706 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4708 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4710 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4711 a BASE_REGS register is needed as an intermediate when copying
4712 a symbolic value into any register class other than BASE_REGS.
4714 * expr.c (move_by_pieces): No longer static. Remove prototype.
4715 * rtl.h (move_by_pieces): Add extern prototype.
4716 * mips.c (expand_block_move): Handle aligned straight line copy by
4717 calling move_by_pieces.
4719 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4722 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4724 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4725 jumps out of the loop to be treated as part of the exit test.
4727 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4728 Jeff Law <law@cygnus.com>
4730 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4731 * cplus-dem.c: Delete.
4733 * Makefile.in (fold-const.o): depend on $(RTL_H).
4735 * fold-const.c: Include rtl.h to get the prototype for
4736 `set_identifier_local_value'.
4738 * loop.c (express_from_1): Remove unused variable `tmp'.
4739 (combine_givs): cast the first argument of bzero to char *.
4741 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4743 * c-decl.c (init_decl_processing): Remove unneeded &.
4745 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4747 * except.c (set_exception_lang_code, set_exception_version_code):
4748 Change parameter from `short' to `int' to avoid using a gcc
4751 * except.h (set_exception_lang_code, set_exception_version_code):
4752 Likewise for prototypes.
4754 * flow.c (count_reg_references): Remove unused variables `regno'
4757 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4759 * prefix.c (translate_name): Cast the result of `alloca'.
4761 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4763 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4765 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4767 (valid_dbcc_comparison_p): Mark mode argument as unused.
4768 (symbolic_operand): Likewise.
4769 (legitimize_pic_address): Likewise.
4770 (const_uint32_operand): Likewise.
4771 (const_sint32_operand): Likewise.
4772 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4773 schedule_insns and comment out rest of file.
4775 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4777 (output_move_[hq]imode): Likewise.
4779 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4781 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4782 * invoke.texi: Corresponding changes.
4784 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4786 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4788 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4790 * config/sparc/sparc.c (ultra_code_from_mask,
4791 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4792 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4793 ultrasparc_sched_init, ultrasparc_variable_issue,
4794 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4795 functions to describe UltraSPARC pipeline exactly to Haifa.
4796 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4797 as there is nothing the scheduler can do about it. Indicate that
4798 REG_DEP_OUTPUT's collide. Fixup formatting.
4799 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4800 divide costs on Ultra for DImode.
4801 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4803 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4804 ieuN and add call_no_delay_slot to type list.
4805 (cti function unit): New unit for branches on UltraSPARC.
4806 (subx/addx insns): Set type to misc.
4807 (sidi zero/sign extension insns on arch64): Set type to shift.
4808 (sign_extendhidi2_insn): Set type to sload.
4810 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4812 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4813 (output_epilog): Use if != 0 for offset.
4814 (rs6000_fatal_bad_address): Prepare for Intl.
4815 * rs6000.h (rs6000_fatal_bad_address): Declare.
4816 * rs6000.md (movsfcc, movdfcc): Use else if.
4817 (elf_high): Use {liu|lis}.
4818 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4819 (movsi): Use rs6000_fatal_bad_address.
4821 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4823 * reload.c (find_equiv_reg): Reject equivalences separated
4824 by a volatile instruction.
4826 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4828 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4830 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4832 * alpha.md (movsicc): Fix mode mismatch.
4834 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4836 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4838 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4840 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4842 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4843 write-only modifier from operand 1 constraint.
4845 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4847 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4848 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4850 (sparc_emit_set_const64): Likewise, also when computing trailing
4851 bits do not negate low_bits and make fast_int an int.
4853 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4855 * loop.c (add_label_notes): Do not ignore references to labels
4856 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4857 * gcse.c (add_label_notes): Similarly.
4859 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4861 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4862 (adddi_dishl32): Similarly.
4864 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4866 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4867 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4868 * cse.c (cse_basic_block): Add parens to shut up warnings.
4870 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4872 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4873 sparc_emit_set_const64_longway, const64_is_2insns,
4874 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4875 in 64-bit constant formation.
4876 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4877 rtl for addx not subx.
4878 (define_insn movdi_const64_special): Make available even when
4879 HOST_BITS_PER_WIDE_INT is not 64.
4880 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4881 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4882 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4883 instances of operand 1 inside a QI subreg.
4884 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4885 (one_cmpldi2_sp64): Fix output string.
4886 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4888 (unnamed arch64 ashift DI): Truncate shift count if greater than
4891 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4893 * expr.c (store_expr): Don't optimize away load-store pair
4894 when either source or destination have a side effect.
4896 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4898 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4899 operands of SET are incompatible.
4901 * alpha.md: Fix max and min patterns so modes of SET operands match.
4903 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4905 * configure.in: Avoid [[ by using test and changequote.
4906 * configure: Rebuild.
4908 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4910 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4912 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4913 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4914 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4915 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4916 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4917 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4918 Fix mismatching modes in SET operands.
4919 (conditional move patterns): Fix formatting.
4920 (unnamed subx arch64 pattern): Remove duplicate insn.
4922 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4924 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4925 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4926 (input_operand): Fixup test for what we accept for constant
4928 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4930 (safe_constDI): Remove.
4931 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4932 gen_safe_XOR64): New functions.
4933 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4934 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4936 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4937 available when HOST_BITS_PER_WIDE_INT is not 64.
4938 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4939 move before movdi_insn_sp64 pattern.
4940 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4941 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4942 symbolic_operand as predicate for second operand.
4943 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4944 expander): Give set VOIDmode.
4946 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4948 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4950 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4952 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4954 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4956 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4958 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4960 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4962 * install.texi: Various SCO OpenServer tweaks.
4964 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4966 * reload1.c (eliminate_regs_in_insn): Handle another case when
4967 eliminating the frame pointer to the hard frame pointer. Add
4968 missing ep->to_rtx check to one existing case.
4970 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4972 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4974 * tree.h: De-conditionalize init_priority code.
4976 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4977 * collect2.c (NM_FLAGS): Change from -p to -n.
4979 * configure.in: Turn on collect2 for mipstx39-elf.
4980 Handle use_collect2=no properly.
4982 * c-common.c: De-conditionalize init_priority code.
4983 * collect2.c (extract_init_priority, sort_ids): New fns.
4984 (main): Call sort_ids.
4985 Move sequence_number to file scope.
4987 * configure.in: Handle --enable-init-priority.
4988 * c-common.c (attrs): Add A_INIT_PRIORITY.
4989 (init_attributes, decl_attributes): Likewise.
4990 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4991 * tree.c (get_file_function_name_long): Split out...
4992 (get_file_function_name): ...from here.
4994 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4996 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4999 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5001 * toplev.c (display_help): Add braces to shut up warnings.
5002 * tree.c (simple_cst_equal): Likewise.
5004 * fold-const.c (non_lvalue): Don't deal with null pointer
5006 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5008 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5009 of any size to a pointer.
5011 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5013 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5015 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5017 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5018 which will be saved.
5019 * mn10300.md (prologue insn): Only save registers which need saving.
5020 (epilogue insn): Similarly.
5022 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5025 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5027 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5028 VAR_DECL's in gp addressable sections.
5030 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5032 * sparc.c: Change return <exp> to <exp>; return; in functions
5034 * sparc.md: Add empty semicolon statement after final label in
5037 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5039 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5040 addx_extend_sp64, only allow when TARGET_ARCH64.
5041 (define_insn addx_extend_sp32 and split): Version that works when
5043 (define_insn subx_extend): Likewise.
5044 (define_split adddi3 and subdi3 with zero extension): Fixup and
5045 correct bugs when not TARGET_ARCH64.
5047 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5049 * except.c (set_exception_lang_code, set_exception_version_code):
5050 Use prototype-style definition if __STDC__, to match declaration
5053 * genemit.c: Change FAIL and DONE macros not to use loops.
5055 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5057 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5058 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5060 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5062 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5064 * README.g77: Update from Craig.
5066 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5068 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5070 (safe_constDI sparc_emit_set_const64_quick1,
5071 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5072 analyze_64bit_constant, const64_is_2insns,
5073 create_simple_focus_bits): Fix some bugs when compiled on real
5075 (function_arg_record_value_3, function_arg_record_value_2,
5076 function_arg_record_value): Add fully prototyped forward decls.
5077 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5078 to cmpsi_insn and use on both 64 and 32 bit targets.
5079 (define_insn cmpsi_insn_sp64): Remove.
5080 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5081 (define_insn zero_extendsidi2_insn): Rename to
5082 zero_extendsidi2_insn_sp64.
5083 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5084 assosciated forced split for it.
5086 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5088 * config/sparc/sparc.h: Declare them.
5089 (PREDICATE_CODES): Add them.
5090 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5091 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5093 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5095 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5096 in v9 case as the latter makes the Solaris assembler crash.
5098 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5100 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5101 for TFmode when !v9. We require offsettable memory addresses.
5102 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5103 DFmode register number conversions.
5104 * config/sparc/sparc.md (define_split DFmode moves): If register
5105 is a SUBREG do alter_subreg on it before using.
5106 (define_expand movtf): Fixup comment about alignment on v9.
5107 (define_split TFmode moves): Don't use gen_{high,low}part, create
5108 explicit SUBREGs instead.
5110 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5112 * Makefile.in (mbchar.o): Depend on mbchar.c.
5114 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5115 Richard Henderson <rth@cygnus.com>
5117 Rewrite Sparc backend for better code generation and
5118 improved sparc64 support.
5119 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5121 * config/sparc/sysv4.h: Likewise.
5122 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5123 move_operand, v8plus_regcmp_op, emit_move_sequence,
5124 singlemove_string, doublemove_string, mem_aligned_8,
5125 output_move_double, output_move_quad, output_fp_move_double,
5126 move_quad_direction, output_fp_move_quad, output_scc_insn):
5128 (small_int_or_double): New predicate.
5129 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5130 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5131 old pic_{sethi,lo_sum}_si patterns.
5132 (mem_min_alignment): New generic function to replace
5133 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5134 available and can test for arbitrary alignments. All callers
5136 (save_regs, restore_regs, build_big_number,
5137 output_function_prologue, output_cbranch, output_return,
5138 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5139 sparc_flat_output_function_epilogue): Prettify
5141 (output_function_epilogue): Likewise and add code to output
5142 deferred case vectors.
5143 (output_v9branch): Likewise, add new arg INSN and use it to tack
5144 on branch prediction settings. All callers changed.
5145 (print_operand): Likewise and output %l44 for LO_SUMs when
5147 (sparc_splitdi_legitimate): New function to make sure DImode
5148 splits can be run properly when !arch64.
5149 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5150 Reformat example code in comments.
5151 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5152 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5153 of deferred case vectors we need to output.
5154 (sparc_defer_case_vector): Record a case vector.
5155 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5156 sparc_output_deferred_case_vectors): New functions to output them.
5157 (sparc_emit_set_const32): New function to form 32-bit constants in
5158 registers when that requires more than one instruction.
5159 (safe_constDI, sparc_emit_set_const64_quick1,
5160 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5161 analyze_64bit_constant, const64_is_2insns,
5162 create_simple_focus_bits, sparc_emit_set_const64): New functions
5163 which do the same for 64-bit constants when arch64.
5164 (sparc_emit_set_symbolic_const64): New function to emit address
5165 loading for all code models on v9.
5166 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5167 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5168 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5169 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5170 inaccuracies in comments, add symbolic and text_segment operands
5171 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5172 GENERAL_REGS in these cases as a temp REG is needed to load these
5173 addresses into a register properly.
5174 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5176 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5177 quads are guarenteed to have 16-byte alignment.
5178 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5179 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5180 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5181 deferred case vector implementation.
5182 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5183 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5184 Generate "internal label - label" instead of "label - 1b".
5185 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5186 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5187 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5189 (doublemove_string, output_block_move, output_fp_move_double,
5190 output_fp_move_quad, output_move_double, output_move_quad,
5191 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5192 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5193 (sparc_emit_set_const32, sparc_emit_set_const64,
5194 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5195 mem_min_alignment, small_int_or_double): Add externs.
5196 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5197 UNSPEC_VOLATILE in this backend.
5198 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5199 unary to types which execute in it.
5200 (define_function_unit ieu_shift): Rename to ieu0.
5201 (define_function_unit ieu1): New, executes compare, call, and
5202 uncond_branch type insns.
5203 (define_function_units for type fdivs, fdivd, fsqrt): These
5204 execute in the fpu multiply unit not the adder on UltraSparc.
5205 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5206 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5207 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5208 allows the arith_double_operand predicate and rHI constraint when
5210 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5211 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5212 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5213 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5214 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5215 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5216 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5217 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5218 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5219 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5220 sign_extendqihi2_insn, sign_extendqisi2_insn,
5221 sign_extendqidi2_insn, sign_extendhidi2_insn,
5222 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5223 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5224 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5225 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5226 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5227 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5228 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5229 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5230 smulsi3_highpart_v8plus, unnamed subreg mult,
5231 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5232 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5233 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5234 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5235 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5236 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5237 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5238 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5239 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5240 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5241 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5242 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5243 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5244 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5245 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5246 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5247 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5248 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5249 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5250 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5251 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5252 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5253 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5254 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5255 call_address_untyped_struct_value_sp32,
5256 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5257 call_value_symbolic_sp32, call_value_address_sp64,
5258 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5259 flush_register_windows, goto_handler_and_restore,
5260 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5261 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5262 return_addsi, return_di, return_adddi, return_sf, all call+jump
5263 peepholes, trap, unnamed trap insns): Prettify output strings.
5264 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5265 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5266 Likewise and force + implement splits for integer cases.
5267 (define_insn return_sf_no_fpu): Likewise and allow to match when
5268 no-fpu because of our subreg SFmode splits.
5269 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5270 zero_extendqidi2_insn, zero_extendhidi2_insn,
5271 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5272 input_operand for second operand.
5273 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5274 reg_or_0_operand for operand 2 so new splits can use it.
5275 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5276 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5278 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5279 CONST_DOUBLEs for operand 2.
5280 (define_insn move_label_di): Likewise and label distance
5281 optimization because it no longer works with new deferred case
5282 vector scheme. To be revisited.
5283 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5284 and allow reg_or_0_operand and J constraint for second operand.
5285 (define_insn jump): Set branch predict taken on V9.
5286 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5287 new deferred case vector scheme.
5288 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5289 (define_insn negdi2_sp32): Force + implement splits.
5290 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5291 one_cmplsi2_not_liveg0 respectively, and create expander of original
5292 names which emit special rtl for TARGET_LIVE_G0.
5293 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5294 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5295 gen_compare_reg, FAIL instead.
5296 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5297 values when trying to reverse condition codes, if they FAIL then
5299 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5300 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5301 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5302 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5303 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5304 set output string to # to indicate they are mandatory splits.
5305 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5306 pic_sethi_di, move_pic_label_si): Remove.
5307 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5308 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5310 (define_expand movsi_pic_label_ref, define_insn
5311 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5312 expander and insns to handle PIC label references and deferred
5314 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5316 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5317 Rewrite to not use emit_move_sequence, make use of new constant
5318 formation code, and new splits for all multi-insn cases.
5319 (define_insn movqi_insn): Remove sethi case, it can never happen.
5320 Use reg_or_zero_operand instead of const0_rtx explicit test,
5321 use input_operand instead of move_operand for source, and use
5322 general_operand now for dest.
5323 (define_insn movhi_insn): Similar but leave sethi case.
5324 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5325 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5326 movhi_lo_sum respectively, prettify output string.
5327 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5328 register when needed on TARGET_LIVE_G0.
5329 (define_insn movsi_insn): Use general_operand and input_operand
5330 for dest and src respectively. Simplify applicability test.
5331 Prettify output strings, and add clr alternative for J
5333 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5334 deprecated std and reg-reg DI moves): Remove and...
5335 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5336 implementation which uses forced splits for all non-single insn
5338 (define_split DI move cases on !arch64): New splits to handle all
5339 situations of 64-bit double register DImode on 32bit, and
5340 unaligned registers and memory addresses for all subtargets.
5341 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5343 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5344 input_operand for dest and src respectively, prettify output
5346 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5347 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5349 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5350 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5351 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5352 movtf_no_e_insn_sp64) Replace with new
5353 implementation which uses forced splits for all non-single insn
5355 (define_split DF move cases): New splits in similar vein to DI
5357 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5358 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5359 movdi_sp64_insn): Remove old v9 code model and constant loading
5361 (define_insn pic_lo_sum_di, pic_sethi_di,
5362 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5363 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5364 embmedany_sethi, embmedany_losum, embmedany_brsum,
5365 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5366 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5367 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5368 scheme, using unspecs, secondary reloads, and one to one sparc
5369 insn to rtl insn mapping for better scheduling and code gen.
5370 (define_expand reload_indi, reload_outdi): Reload helpers for
5371 MEDANY and EMBMEDANY symbol address loading cases which require a
5373 (define_expand movsicc): Remove v8plus_regcmp cases.
5374 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5375 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5376 cmp_diqi_trunc_set): New patterns used by some of the new scc
5378 (define_insn xordi3_sp64_dbl): New pattern used for constant
5379 formation when crossing from 32-bit targets.
5380 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5382 (define_insn addx, subx): Make visible and prettify.
5383 (define_insn adddi3_insn_sp32): Likewise and force split.
5384 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5385 64bit scc split usage.
5386 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5387 zero_extend, subdi3): Force and implement splits.
5389 * final.c (final_scan_insn): Don't output labels if target
5390 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5393 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5394 don't forget to walk inside SEQUENCESs too as these are what the
5395 delay slot scheduler will create.
5397 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5399 * alpha.md (extxl+1,+2): New patterns to work around
5402 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5404 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5405 caused bad assembly code to be generated.
5407 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5409 * netbsd.h: Fix typo.
5411 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5413 * config.sub: Fix typo.
5415 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5417 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5419 (Running Protoize): Typo: Change "ther" into "other".
5421 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5423 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5424 * m68k/netbsd.h: Likewise.
5425 * ns32k/netbsd.h: Likewise.
5426 * sparc/netbsd.h: Likewise.
5428 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5430 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5431 * ginclude/va-clipper.h (va_list): Likewise.
5433 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5435 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5436 load/store multiple instructions unless user overrides.
5438 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5440 * ns32k/netbsd.h: Fix typo.
5442 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5444 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5445 labels with .debugsym if no parallel insns.
5447 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5449 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5450 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5452 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5454 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5455 (AR_FOR_TARGET): Define.
5457 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5459 * dyn-string.h: New file.
5460 * dyn-string.c: Likewise.
5461 * Makefile.in (OBJS): Add dyn-string.o.
5462 (dwarf2out.o): Add dyn-string.h dependency.
5463 (dyn-string.o): List dependencies.
5464 * dwarf2out.c: Include dyn-string.h.
5465 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5466 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5467 prototype. Use dyn_string_append rather than strcat, throughout.
5468 (addr_to_string): Use dyn_string_t.
5470 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5472 Function entry/exit profiling instrumentation:
5473 * expr.h (profile_function_entry_libfunc,
5474 profile_function_exit_libfunc): Declare new variables.
5475 * optabs.c: Define them here.
5476 (init_optabs): Initialize them.
5477 * tree.h (struct tree_decl): New flag
5478 no_instrument_function_entry_exit.
5479 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5480 * c-decl.c (duplicate_decls): Merge it.
5481 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5482 (init_attributes): Use it for "no_instrument_function".
5483 (decl_attributes): Handle it, for functions that have not yet been
5484 compiled. Set decl flag.
5485 * flags.h (flag_instrument_function_entry_exit): Declare new
5487 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5488 (f_options): New option "instrument-functions".
5489 * function.h (struct function): New field instrument_entry_exit.
5490 * function.c (current_function_instrument_entry_exit): New
5492 (push_function_context_to, pop_function_context_from): Save and
5494 (expand_function_start): Set current_ variable, maybe emit return
5495 label and entry profile call.
5496 (expand_function_end): Maybe emit exit profile call.
5498 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5500 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5501 NON_QI_REG_P, pretend the register is SImode.
5503 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5505 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5506 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5507 manufacturer id for ns32k.
5508 * configure: Regenerated.
5509 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5510 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5511 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5512 * config/m68k/netbsd.h: Same.
5513 * config/ns32k/netbsd.h: Same.
5514 * config/sparc/netbsd.h: Same.
5516 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5518 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5519 or UNROLL_COMPLETELY loop that starts with a jump to its
5522 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5524 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5525 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5526 (print_operand, case 'B'): Don't fall through.
5527 (print_operand, case 'S'): Correct mask begin/end computation.
5528 Use HOST_BITS_PER_WIDE_INT.
5529 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5530 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5531 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5532 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5534 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5536 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5537 constraint from second alternative.
5539 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5541 * configure.in: Fix --without/--disable cases for local-prefix,
5542 gxx-include-dir and checking.
5544 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5546 * configure.in (enable_haifa): Set by default for sparc64 too.
5549 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5551 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5552 * i386/winnt.c (associated_type): New fn.
5553 (i386_pe_valid_type_attribute_p): New fn.
5554 (i386_pe_check_vtable_importexport): Remove.
5555 (i386_pe_dllexport_p): Use associated_type.
5556 (i386_pe_dllimport_p): Likewise.
5558 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5559 * i386.c (i386_valid_type_attribute_p): Also accept
5560 attributes for METHOD_TYPEs.
5562 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5564 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5566 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5568 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5570 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5571 them from generating a new base name for each occurence of
5574 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5576 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5578 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5582 * cplus-dem.c (type_kind_t): New type.
5583 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5584 on this paramter, rather than demangling the type again.
5585 (demangle_integral_value): Pass tk_integral.
5586 (demangle_template_: Pass the value returned from do_type.
5587 (do_type): Return a type_kind_t. Pass tk_integral to
5588 demangle_template_value_parm for array bounds.
5589 (demangle_fund_type): Likewise.
5591 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5593 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5596 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5598 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5600 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5602 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5604 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5607 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5609 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5610 (DEBUGGER_ARG_OFFSET): Likewise.
5612 * mn10300.md (movsf): Remove last change. Not needed.
5614 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5616 * c-lex.c (yylex): Fix boundary conditions in character literal and
5617 string literal loops.
5619 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5621 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5622 being invoked incorrectly.
5624 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5625 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5627 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5628 * configure.in: Added i[34567]86-*-win32
5629 * config.sub: Ditto.
5630 * configure: Rebuilt.
5632 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5634 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5635 the frame pointer and compiling PIC code and reload has not completed.
5637 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5640 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5642 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5644 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5646 * Makefile.in (install-info): Only try to update the info
5647 directory file if it exists in the first place.
5649 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5651 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5653 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5655 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5656 CONST_DOUBLE source.
5658 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5660 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5661 strings as the insertion of USER_LABEL_PREFIX.
5662 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5664 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5667 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5669 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5670 already defined type.
5672 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5674 * expr.c (check_max_integer_computation_mode): Allow conversions
5675 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5676 (expand_expr): Likewise.
5678 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5680 * expr.c (expand_expr): Expand RETURN_EXPR.
5682 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5684 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5686 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5688 * dwarf2out.c (output_aranges): Call stripattributes
5689 for TEXT_SECTION references.
5690 (output_line_info): Likewise.
5692 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5694 * profile.c (branch_prob): Call allocate_reg_info after outputting
5695 profile rtl in instrument_arcs.
5697 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5699 * fixinc.irix (math.h): Install wrapper instead of copying.
5701 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5703 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5704 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5705 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5706 lang_flag_0. Added documentation in the flag table.
5708 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5710 * cccp.c (do_include): Fix vax c style include handling.
5712 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5714 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5716 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5718 * fold-const.c (non_lvalue): Don't deal with null pointer
5720 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5722 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5724 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5725 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5726 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5727 (u_short_cint_operand): Same.
5728 (reg_or_cint_operand): Same.
5729 (logical_operand): Same.
5730 (input_operand): Same.
5731 (reg_or_short_operand): Use u_short_cint_operand.
5733 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5735 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5736 but keep the insns and splits. Adjust so when the ultimate destination
5737 is memory, use cvtql.
5739 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5741 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5743 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5745 * gcc.c (do_spec): Call "error" not "warning".
5747 * configure.in: Fix minor problems with gas feature detection code.
5748 * configure: Rebuilt.
5750 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5753 * gcc.c: Delete %[spec] support.
5754 (do_spec_1, case '('): Likewise.
5755 (do_spec_1, case '['): Call error.
5757 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5759 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5760 (CPP_SUBTARGET_SPEC): Default to empty string.
5761 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5762 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5763 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5764 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5766 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5767 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5768 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5769 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5770 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5771 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5772 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5773 * alpha/vxworks.h: Likewise.
5775 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5777 * mips.md (reload_outsi): Added missing REGNO call.
5778 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5780 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5781 another match_operator and compare the codes.
5783 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5785 * MIPS multiply pattern fixes:
5786 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5787 Add union classes for HI, LO, or HILO plus general registers.
5788 (GENERATE_MADD): Deleted.
5789 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5790 Add TARGET_MAD to condition.
5791 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5792 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5793 "*d" for accumulator, to give preference to LO initially but not
5796 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5798 * configure.in (enable_c_mbchar): New configure option.
5799 (extra_cpp_objs): Always available now.
5801 * cexp.y (mbchar.h): #include it.
5802 (yylex): Handle Multibyte characters in character literals.
5804 * cccp.c (mbchar.h): #include it.
5805 (main): Set character set based on LANG environment variable.
5806 (rescan): Handle multibyte characters in comments.
5807 (skip_if_group): See above.
5808 (validate_else): See above.
5809 (skip_to_end_of_comment): See above.
5810 (macarg1): See above.
5811 (discard_comments): See above.
5812 (rescan): Handle multibyte characters in string and character literals.
5813 (collect_expansion): See above.
5814 (skip_quoted_string): See above.
5815 (macroexpand): See above.
5816 (macarg1): See above.
5817 (discard_comments): See above.
5818 (change_newlines): See above.
5820 * c-lex.c (mbchar.h): #include it.
5821 (GET_ENVIRONMENT): New macro.
5822 (init_lex): Set character set based on LANG environment variable.
5823 (yylex): Handle multibyte characters in character literals.
5824 (yylex): Handle multibyte characters in string literals.
5826 * Makefile.in (mbchar.o): New target.
5827 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5828 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5830 * mbchar.[ch]: New files for multibyte character handling.
5832 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5834 * jump.c (jump_optimize): When simplifying noop moves and
5835 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5836 the PUSHes to rewrite in second loop as we did in the first.
5838 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5840 * cplus-dem.c (demangle_nested_args): Make function definition
5841 static to match the prototype.
5843 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5845 * alloca.c: Respect USE_C_ALLOCA.
5846 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5847 * gengenrtl.c (xmalloc): Likewise.
5849 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5851 * loop.h (struct induction): Add no_const_addval.
5852 * loop.c (the_movables, reg_address_cost): New variables.
5853 (init_loop): Init reg_address_cost.
5854 (loop_optimize): Call end_alias_analysis.
5855 (scan_loop): Init the_movables.
5856 (record_giv): Init induction->no_const_addval.
5857 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5858 [REG]: Rearrange loop search test to catch more cases.
5859 (general_induction_var): Return success not benefit; take an extra
5860 argument for that. Change all callers.
5861 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5862 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5863 [default]: Search the_movables for additional combinations.
5864 (sge_plus_constant, sge_plus): New functions.
5865 (express_from_1): New function.
5866 (express_from): Always define. Rewrite using express_from_1.
5867 (combine_givs_p): Handle more cases. Ignore address cost.
5868 (cmp_combine_givs_stats): New function.
5869 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5870 (combine_givs): Rewrite to do best-fit combination.
5872 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5873 (fold): Do a complete (A*C)+(B*C) association check.
5875 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5877 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5879 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5881 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5883 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5885 * tree.c (valid_machine_attribute): Only create a new type variant if
5886 there is a decl to use it.
5888 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5890 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5893 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5895 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5898 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5900 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5901 Simplify tests for clearing an address register.
5902 (expand_prologue): Corresponding changes.
5904 * mn10300.md (movXX patterns): Make sure the destination is an
5905 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5906 (logical patterns): Split into expanders + patterns
5907 (zero and sign extension patterns): Similarly.
5908 (shift patterns): Similarly.
5910 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5912 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5913 for the sequence, recording base values.
5915 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5917 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5919 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5921 * gcc.c: Remove ANSI-C ism from --help code.
5923 * toplev.c: Support --help with USE_CPPLIB.
5925 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5927 * configure.in: Rework gas feature code to work with symlink based
5930 * extend.texi: Clarify some issues related to local variables
5931 assigned to explicit registers.
5933 * mn10300.md (mulsi): Turn into expander + pattern.
5935 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5938 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5940 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5942 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5944 * version.c: Bump again to distinguish mainline tree from the
5947 See ChangeLog.0 for earlier changes.
5950 add-log-time-format: current-time-string