1 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3 * i386.c (i386_comp_type_attributes): Compare whether the
4 attributes are defined, not their tree nodes.
6 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8 * configure.in (gxx_include_dir): bitten by autoconf quoting
12 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14 * configure.in: Ignore non-absolute value in $AS.
16 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
18 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
20 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
22 * configure.in (msdosdjgpp): Set exeext and target_alias.
24 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
26 * flow.c (XNMALLOC): New macro.
27 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
29 (add_edge, add_edge_to_label): New static functions.
30 (free_bb_memory): New function.
31 (flow_delete_insn): Delete function.
32 (basic_block_drops_in): Delete variable.
33 (find_basic_blocks): Allocate and initialize basic_block_head,
34 basic_block_succ. Don't allocate basic_block_drops_in.
35 Call free_bb_memory at the beginning.
36 (find_basic_blocks_1): Don't do multiple passes.
37 Delete code to compute basic_block_drops_in.
38 After calling make_edges, mark blocks reached by current block live.
39 Update test for unreachable live blocks.
40 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
42 Simplify to call add_edge_to_label when a LABEL_REF is found.
43 (make_edges): Simplify to call add_edge_to_label instead of
44 mark_label_ref most of the time.
45 Compute here whether control drops into the next block.
46 (delete_unreachable_blocks): Return void. All callers changed.
47 Delete unreachable blocks in reverse order.
48 After deleting all unreachable blocks, renumber the remaining ones
49 and update n_basic_blocks.
50 (delete_block): Speed up deletion a bit.
51 Don't set basic_block_drops_in for deleted blocks.
52 (free_basic_block_vars): Don't free basic_block_drops_in.
53 (life_analysis_1): Update to use new edge representation.
54 (dump_flow_info): Delete code to print basic block info; call
56 (compute_preds_succs): Delete code to recompute basic_block_drops_in
58 Simply copy the previously computed cfg.
59 (dump_bb_data): New arg LIVE_INFO. All callers changed.
60 Print register lifetime information if LIVE_INFO is nonzero.
61 * basic-block.h (dump_bb_data): Adjust prototype.
62 * gcse.c (gcse_main): Update call to dump_bb_data.
63 * rtl.h (free_bb_memory): Declare.
64 * toplev.c (rest_of_compilation): Call free_bb_memory.
66 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
67 (update_eliminable_offsets): Don't compute it.
68 (set_initial_elim_offsets): Don't initialize it.
69 Break out some code into set_initial_label_offsets so the rest of
70 this function can be called from reload_as_needed.
71 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
72 ELIMINABLE_REGS isn't.
73 (set_initial_label_offsets): New function, broken out of
74 set_initial_elim_offsets.
75 (set_offsets_for_label): New function, broken out of set_label_offsets
77 (reload): Call the two new functions.
78 (reload_as_needed): Call set_initial_elim_offsets instead of
79 duplicating the code. Likewise for set_offsets_for_label.
81 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
82 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
83 any hard reg, reg_reloaded_dead contains valid data.
85 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
87 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
88 "stdcall" and "cdecl" attributes.
90 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
92 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
93 handle deleted no-op moves of hard registers.
94 * haifa-sched.c (update_flow_info): Likewise.
96 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
98 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
99 of the sequences to reload the HILO register which do not actually
102 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
104 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
106 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
108 * except.c (emit_eh_context): Make the EH context register stay alive
109 at -O0 so stupid.c doesn't get confused.
111 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
113 * emit-rtl.c (try_split): Do not try to split a BARRIER.
115 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
116 Jeffrey A Law (law@cygnus.com)
118 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
119 (zero_extendsidi2): Use # in output template and handle completely by
121 (zero_extend splitters): New define_splits.
122 (ashiftrt_32): New pattern.
124 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
126 * tree.c (append_random_chars): New fn.
127 (get_file_function_name_long): Use it.
129 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
131 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
132 (LIBCPP_OBJS): New. Add cppulp.o.
133 (cppmain, fix-header): Depend on and use libcpp.a.
134 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
135 of the individual object files.
136 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
139 * cccp.c (user_label_prefix): New.
140 (main): Set it off -f*leading-underscore.
141 (special_symbol): Use it.
142 * cpplib.c (special_symbol): Likewise.
143 (cpp_handle_option): Handle -f*leading-underscore.
144 * cppulp.c: New file.
146 * output.h (user_label_prefix): Declare it.
147 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
148 * toplev.c (f_options, main): Handle -f*leading-underscore.
150 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
151 referencing USER_LABEL_PREFIX directly.
152 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
153 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
154 * final.c (asm_fprintf): Use user_label_prefix instead.
155 * arm/thumb.c (thumb_print_operand): Likewise.
157 * gcc.c (default_compilers): Pass -f*leading-underscore on to
158 cpp wherever appropriate.
160 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
162 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
163 specific compiler switches.
165 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
167 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
170 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
172 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
173 structure which has exactly the members provided by EXTRA_SPECS.
174 Xmalloc() the real `extra_specs', and initialize it from this
175 intermediate structure.
177 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
179 * mips.h (EXTRA_SPECS): Likewise.
181 * sparc.h (EXTRA_SPECS): Likewise.
183 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
185 * function.c (purge_addressof_1): Instead of aborting when a
186 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
187 work just put the ADDRESSOF on stack. Otherwise remember all such
188 successfull replacements, so that exactly the same replacements
189 can be made on the REG_NOTEs. Remove the special case for CALL
191 (purge_addressof_replacements): New variable.
192 (purge_addressof): Clear it at end.
194 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
196 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
197 (lang_init): Call check_newline always.
198 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
199 cpp_start_read, set yy_cur and yy_lim to read from
200 parse_in.token_buffer, so that we'll see the first #line
202 * cpplib.c (cpp_start_read): finclude the main input file
203 before processing -include/-imacros. Process -imacros and
204 -include separately, and handle -include by stacking a
205 buffer for the file in question as if it'd been #included.
206 * toplev.c (documented_lang_options) Recognize -H when
209 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
211 * cpplib.c: Merge do_once into do_pragma. Break file handling
212 code out of do_include.
213 Move append_include_chain, deps_output,
214 file_cleanup, redundant_include_p, import_hash,
215 lookup_import, add_import, read_filename_string, read_name_map,
216 open_include_file, finclude, safe_read to cppfiles.c.
217 Move prototypes for deps_output, append_include_chain,
218 finclude to cpplib.h. Move definition of struct
219 file_name_list there also.
221 * cppfiles.c: New file. Contains all the above functions
222 broken out of cpplib.c; also hack_vms_include_specification
223 from cccp.c and find_include_file, a new function broken out of
226 * Makefile.in (cppmain): Depend on cppfiles.o.
227 (fix-header): Likewise.
228 (cppfiles.o): New target.
229 * configure.in (--enable-c-cpplib): Add cppfiles.o to
230 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
232 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
234 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
235 if pending_types is non-zero.
236 (dwarfout_finish): Verify pending_types is zero before finishing.
238 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
240 * expr.c (convert_move): Use shifts to perform the move if a
241 suitable extend pattern cannot be found. Code written by
242 Richard Henderson <rth@cygnus.com>.
244 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
246 * regclass.c (renumber, regno_allocated): New static variables, moved
247 out of allocate_reg_info.
248 (allocate_reg_info): Move these two variables outside the function.
249 Move code to free memory into new function free_reg_info.
250 (free_reg_info): New function, broken out of allocate_reg_info.
251 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
252 * rtl.h (allocate_reg_info): Don't declare.
253 (free_reg_info): Declare.
255 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
257 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
259 * toplev.c (compile_file): Temporarily revert last change.
261 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
263 * c-typeck.c (convert_for_assignment): Parenthesize.
265 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
267 * reload1.c (delete_output_reload): Avoid ambigous else.
269 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
271 * toplev.c (compile_file): Call allocate_reg_info to free register
273 * rtl.h (allocate_reg_info): Declare.
275 * PROJECTS: Remove entry for local spilling.
277 * final.c (cleanup_subreg_operands): New function.
278 (final_scan_insn): Use it.
279 (alter_subreg): Clear the "used" field when we turn a SUBREG into
281 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
282 operands when reload has finished.
283 * reload.h (cleanup_subreg_operands): Declare..
284 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
285 reload. Handled in reload itself.
287 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
289 * reload1.c (verify_initial_offsets): New function.
290 (reload): Call it after reload_as_needed. Also verify that the frame
291 size stays constant during reload_as_needed.
292 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
294 * reload.h (struct insn_chain): Add need_operand_change element.
295 * reload1.c (new_insn_chain): Clear it.
296 (calculate_needs_all_insns): Set it; don't overload need_reload.
297 (reload_as_needed): Use it.
299 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
300 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
301 and reload_address_index_reg_class.
302 (find_reloads_address_1): Likewise.
303 * reload.h (reload_address_base_reg_class,
304 reload_address_index_reg_class): Don't declare.
305 * reload1.c (reg_old_renumber, pseudo_previous_regs,
306 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
307 (used_spill_regs): Now static.
308 (reload_address_base_reg_class, reload_address_index_reg_class,
309 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
310 basic_block_needs, max_needs, group_size, group_mode, max_groups,
311 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
314 (init_reload): Delete code to compute base/index reg classes.
315 (reload): Delete variable J.
316 Delete code to manage basic_block_needs.
317 Don't compute regs_explicitly_used.
318 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
319 pseudo_previous_regs.
320 Initialize bad_spill_regs_global.
321 Don't call order_regs_for_reload here.
322 Don't initialize spill_reg_order and n_spills.
323 Don't forbid explicitly used regs to be used for spill regs.
324 Change main loop to infinite loop, with explicit break statements.
325 Make SOMETHING_CHANGED variable local to that loop.
326 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
327 max_groups_insn, max_nongroups_insn, group_size, group_mode.
328 Make sure spilled_speudos is cleared before calling spill_hard_reg or
330 Don't call dump_needs.
331 Delete code to reset potential_reload_regs.
332 Delete code to terminate loop conditional on the global needs variables
333 showing no further needs.
334 (calculate_needs_all_insns): Return void. All callers changed.
335 Initialize somehing_needs_elimination here, not in reload.
336 Delete avoid_return_reg kludge.
337 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
339 Initialize the group_mode and group_size elements of the arg CHAIN.
340 Delete code to manage basic_block_needs.
341 Operate on elements of CHAIN instead of global variables.
342 Delete avoid_return_reg kludge.
343 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
345 Operate on elements of CHAIN instead of global variables.
346 Delete special SMALL_REGISTER_CLASSES code.
347 Delete spill_failure code; now in new_spill_reg.
348 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
350 Operate on elements of CHAIN instead of global variables.
351 (maybe_mark_pseudo_spilled): New static function.
352 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
354 Operate on elements of CHAIN instead of global variables.
355 Call order_regs_for_reload here, not in reload.
356 Initialize spill_reg_order and n_spills.
357 Simplify test whether an asm insn is involved.
358 Delete spill_failure code; now in new_spill_reg.
359 Call maybe_mark_pseudo_spilled for everything marked as live in
360 CHAIN. Merge CHAIN's used_spill_regs into the global variable
362 (dump_needs): Take CHAIN arg. No longer static, to prevent the
363 compiler from optimizing this function (now unused) away.
364 Operate on elements of CHAIN instead of global variables.
365 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
367 Operate on elements of CHAIN instead of global variables.
368 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
369 take CHAIN arg. All callers changed.
370 Operate on elements of CHAIN instead of global variables.
371 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
372 CHAIN, NONGROUP args. Return void. All callers changed.
373 Verify caller isn't trying to spill a pseudo.
374 Simplify test for illegal reg, just use bad_spill_regs.
375 Generate better error messages.
376 Operate on elements of CHAIN instead of global variables.
377 Mark spilled register in CHAIN's used_spill_regs element.
378 Don't call spill_hard_reg.
379 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
380 Mark spilled hard regs in bad_spill_regs_global.
381 Mark affected pseudos in spilled_pseudos, but don't spill them.
382 (ior_hard_reg_set): New static function.
383 (finish_spills): Return int. All callers changed.
384 Compute spill_reg_order, n_spills and spill_regs here. Also update
385 regs_ever_live for regs used as spills.
386 For every pseudo in spilled_pseudos, spill it and mark the previous
387 hard reg it had in pseudo_previous_regs. Compute which hard regs
388 arseudo): New static function.
389 (order_regs_for_reload): Take CHAIN arg. All callers changed.
390 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
391 hard registers explicitly used across the current insn into the set.
392 Compute hard_reg_n_uses taking only pseudos live across this insn
394 Tweak sorting of potential_reload_regs.
395 (compare_spill_regs): Delete function.
396 (reload_as_needed): Don't sort the spill_regs array, it's computed
397 in proper order in finish_spills.
398 Delete avoid_return_reg kludge.
399 Delete code to manage basic_block_needs.
400 (allocate_reload_reg): Minor speed/readability tweaks.
401 Operate on elements of CHAIN instead of global variables.
402 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
403 Delete avoid_return_reg kludge.
404 Initialize reload_reg_used from CHAIN's used_spill_regs element.
405 Delete unused label FAIL.
406 (reload_combine): Replce reload_address_index_reg_class with
408 Don't use used_spill_regs to determine information about lifetime of
411 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
413 * toplev.c (display_help): Ignore empty target specific
414 options, and if -W is also specified on the command line then
415 display undocumented options.
417 * config/arm/arm.c: Updated with changes in devo sources.
418 * config/arm/arm.h: Updated with changes in devo sources.
419 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
420 * config/arm/lib1thumb.asm: Add ELF support.
422 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
424 * collect2.c (aix64_flag): New variable.
425 (main, case 'b'): Parse it.
426 (GCC_CHECK_HDR): object magic number must match mode.
427 (scan_prog_file): Only check for shared object if valid header.
428 Print debugging if header/mode mismatch.
430 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
432 Added support for arm-elf-linux configuration, submitted by Philip
433 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
434 code developed by Catherine Moore <clm@cygnus.com>. The following
437 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
440 * configure: Regenerated.
442 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
443 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
444 definitions conditional on their not having been already defined.
446 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
447 and .type directives, and add "(PLT)" qualification to function
450 * config/arm/linux.h: Deleted. This file is now superceeded by
451 either linux-elf.h or linux-aout.h.
453 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
454 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
456 Move definitions from old linux.h file here.
458 * config/arm/elf.h: New file. Generic ARM/ELF support.
460 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
462 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
464 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
465 using the 26bit APCS.
467 * config/arm/unknown-elf.h: New file. Support for OS'es other
470 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
473 * config/arm/coff.h: Include aout.h for basic assembler macros.
474 Add support for -mstructure_size_boundary=<n> command line option.
476 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
477 command line option. Make macro definitions conditional on their
478 not having been already defined.
480 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
484 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
486 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
487 has been changed to not include a newline. Use this macro instead.
488 (output_enumeral_list, const_value_attribute, name_attribute,
489 comp_dir_attribute, prototyped_attribute, producer_attribute,
490 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
491 dwarfout_file_scope_decl, generate_new_sfname_entry,
492 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
493 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
495 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
497 * combine.c (subst): Process the inputs to a parallel asm_operands
500 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
502 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
504 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
506 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
508 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
510 * version.c: Bump for snapshot.
512 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
514 * stmt.c (expand_fixup): Set fixup->before_jump to a
515 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
517 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
519 * Makefile.in (recog.o): Depend on toplev.h.
520 (insn-emit.o): Depend on recog.h.
521 (insn-peep.o): Depend on recog.h and insn-config.h.
523 * combine.c (simplify_set): Remove unused variable `scratches'.
525 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
526 and `idx' in macro conditional controlling their use.
528 * genemit.c (main): Make the generated output file include
529 recog.h. Don't have it declare `insn_operand_constraint', since
530 we get it from recog.h.
532 * genpeep.c (main): Make the generated output file include
533 insn-config.h and recog.h.
535 * recog.c: Include toplev.h.
536 (extract_insn): Remove unused variable `p'.
538 * regclass.c (fix_register): Add missing braces around initializer
540 (allocate_reg_info): Move variable `i' into the scope where it is
541 used. Change its type to `size_t'.
543 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
545 * reload.c (push_reload): When merging reloads, make sure
546 that reload_in_reg and reload_in are from the same reload in
549 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
551 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
552 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
554 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
556 * loop.c (loop_has_tablejump): New variable.
557 (prescan_loop): Scan for it.
558 (insert_bct): Replace explicit scan with use of it.
559 * regclass.c (regclass): Restore loop variable j.
560 (record_reg_classes): Deterine op_types modifiers and initialize
561 classes[i] before matching constraints. Handle matching
564 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
566 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
569 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
571 * mips.h (EXTRA_SPECS): Add missing initializers.
573 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
575 * sparc.h (EXTRA_SPECS): Add missing initializers.
576 (sparc_defer_case_vector): Provide a prototype.
578 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
579 comparing it to the result of a pointer subtraction.
581 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
583 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
584 the argument to (unsigned char).
586 * alpha.h (EXTRA_SPECS): Add missing initializers.
587 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
590 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
592 * flow.c (life_analysis_1): Enable "rescan" code after reload.
593 (propagate_block): Delete dead code after reload.
595 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
596 back Oct 15, 1998 change.
597 * haifa-sched.c (update_flow_info): Likewise.
598 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
600 * mn10200.md (truncated shift): Accept constant inputs too.
602 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
604 * machmode.h (mode_mask_array): No longer const.
605 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
607 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
609 * frame.c: Somewhat explain `FDE'.
610 Suggested by Brendan Kehoe
612 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
614 * expr.c (pending_chain): Move up.
615 (save_expr_status): Do save pending_chain.
616 (restore_expr_status): And restore it.
617 * function.h (struct function): Add pending_chain.
619 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
621 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
622 did not match the code.
624 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
626 * regclass.c (regclass): Break out some code into new function
627 scan_one_insn, and into regclass_init.
628 (init_cost): New static variable, moved out of regclass.
629 (regclass_init): Initialize it here, not in .
630 (scan_one_insn): New static function, broken out of regclass.
631 * recog.c (apply_change_group): Break out some code into new
632 function insn_invalid_p.
633 (insn_invalid_p): New static fn, broken out of apply_change_group.
635 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
637 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
638 reg_reloaded_contents matches incremented pseudo.
640 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
642 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
644 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
645 addressing modes with side effects. These are currently
646 placeholders for the C4x target.
648 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
650 * loop.c (express_from): Make sure that when generating a PLUS of
651 a PLUS, any constant expression appears on the outermost PLUS.
653 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
655 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
656 works if "$(srcdir)" != ".".
658 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
660 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
661 existing SUBREG if we can, otherwise abort.
663 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
665 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
666 `restrict' is applied to a non-pointer variable.
668 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
670 * invoke.texi: Document -flang-isoc9x.
672 * Makefile.in (OBJS): Add splay-tree.o.
673 (c-common.o): Depend on rtl.h.
674 (splay-tree.o): List dependencies and provide build rule.
676 * rtl.h (record_alias_subset): New function.
677 * alias.c: Include splay-tree.h.
678 (alias_set_entry): New type.
679 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
680 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
681 (mems_in_disjoin_alias_sets_p): New function.
682 (alias_set_compare): Likewise.
683 (insert_subset_children): Likewise.
684 (get_alias_set_entry): Likewise.
686 * tree.h (TYPE_RESTRICT): New macro.
687 (TYPE_UNQUALIFIED): New manifest constant.
688 (TYPE_QUAL_CONST): Likewise
689 (TYPE_QUAL_VOLATILE): Likewise.
690 (TYPE_QUAL_RESTRICT): Likewise.
691 (tree_type): Add restrict_flag. Reduce count of free bits.
692 (DECL_POINTER_ALIAS_SET): New macro.
693 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
694 (tree_decl): Add pointer_alias_set.
695 (build_qualified_type): New function.
696 (build_type_variant): Define in terms of build_qualified_type.
697 * tree.c (set_type_quals): New function.
698 (make_node): Initializae DECL_POINTER_ALIAS_SET.
699 (build_type_attribute_variant): Use build_qualified_type and
701 (build_type_variant): Rename, and modify, to become...
702 (build_qualified_type): New function.
703 (build_complex_type): Use set_type_quals.
705 * c-tree.h (C_TYPE_OBJECT_P): New macro.
706 (C_TYPE_FUNCTION_P): Likewise.
707 (C_TYPE_INCOMPLETE_P): Likewise.
708 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
709 (c_apply_type_quals_to_decl): New function.
710 (c_build_qualified_type): New function.
711 (c_build_type_variant): Define in terms of c_build_qualified_type.
712 (flag_isoc9x): Declare.
713 * c-typeck.c (qualify_type): Use c_build_qualified_type.
714 (common_type): Change to use TYPE_QUALS.
715 (comptypes): Likewise.
716 (convert_for_assignment): Likewise.
717 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
718 * c-decl.c (flag_isoc9x): Define.
719 (c_decode_option): Handle -flang-isoc9x.
720 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
721 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
722 * c-lex.c (init_lex): Deal with restrict.
723 (init_lex): Don't treat restrict as a reserved word in
724 -traditional mode, or without -flang-isoc9x.
725 * c-lex.h (rid): Add RID_RESTRICT.
726 * c-parse.gperf (restrict, __restrict, __restrict__): Make
727 equivalent to RID_RESTRICT.
728 * c-parse.in (TYPE_QUAL): Update comment.
729 * c-common.c: Include rtl.h.
730 (c_find_base_decl): New function.
731 (c_build_type_variant): Rename, and modify, to become ...
732 (c_build_qualified_type): New function.
733 (c_apply_type_quals_to_decl): Likewise.
734 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
735 a particular alias set for the reference.
736 * toplev.c (documented_lang_options): Add -flang-isoc9x.
738 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
740 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
741 command line switches.
743 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
745 * reload.c (loc_mentioned_in_p): Add missing braces to bind
748 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
750 * gcc.c (option_map): Added --classpath and --CLASSPATH.
752 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
754 * regclass.c (fix_register): Add error message.
755 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
758 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
760 * c-decl.c (warn_missing_noreturn): New global variable.
761 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
762 (finish_function): Implement missing noreturn warning.
764 * c-tree.h (warn_missing_noreturn): Declare extern.
766 * invoke.texi: Document new flags.
768 * toplev.c (documented_lang_options): Add description.
770 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
772 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
773 loop optimization stable for the C4x.
774 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
775 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
776 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
778 (c4x_address_conflict): Be more paranoid when packing a volatile
779 memref in a parallel load/store.
781 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
783 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
784 repeat_block_filler): Deleted.
785 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
786 Condition code not set if destination register from 'c' class.
787 (*subbqi3_carry_clobber): Fix typo.
789 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
791 * reorg.c (steal_delay_list_from_target) Check for insns that
792 modify the condition codes and effect the direction of the jump
795 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
797 * function.c (purge_addressof_1): Replace call to
798 emit_insns_before() with emit_insn_before().
800 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
802 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
804 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
806 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
808 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
810 * gcse.c (compute_hash_table): Correctly identify hard regs which are
811 clobbered across calls.
813 * loop.c (scan_loop): Be more selective about what invariants are
816 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
818 * version.c: Bump for snapshot.
820 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
822 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
823 static eh_context structure.
825 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
827 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
829 (try_combine): Don't update max_scratch.
830 * flow.c (max_scratch, num_scratch): Delete variables.
831 (life_analysis_1): Don't initialize max_scratch.
832 (propagate_block): Don't update max_scratch.
833 (mark_set_1): Don't increment num_scratch.
834 * regs.h (max_scratch): Delete declaration.
836 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
838 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
839 is nonzero. This is temporary!
841 * sched.c (update_flow_info): Handle death notes made invalid by
842 instruction splitting. Partially reverts Oct 15, 1998 patch.
843 * haifa-sched.c (update_flow_info): Likewise.
845 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
847 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
848 if it has a nonzero DECL_INITIAL.
850 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
852 * Makefile.in (flow.o): Depend on recog.h.
854 * cpplib.h (directive_table): Add missing initializiers.
855 (finclude): Change type of variable `bsize' to size_t.
857 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
859 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
861 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
862 `int' when comparing against one.
863 (cpp_file_line_for_message): Mark parameter `pfile' with
865 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
867 * flow.c: Include recog.h.
868 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
870 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
871 `f' with ATTRIBUTE_UNUSED.
872 (reposition_prologue_and_epilogue_notes): Likewise.
874 * genopinit.c (gen_insn): Cast argument of ctype functions to
877 * haifa-sched.c: Include recog.h.
878 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
879 comparing against one.
881 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
883 * mips-tfile.c (parse_end): Cast the argument of ctype function to
885 (parse_ent): Likewise.
886 (parse_input): Likewise.
888 * optabs.c (init_libfuncs): Likewise.
890 * protoize.c (find_rightmost_formals_list): Likewise.
892 * recog.h (const_double_operand): Fix typo in prototype.
894 * tlink.c (scan_linker_output): Cast the argument of ctype
895 function to `unsigned char'.
897 * toplev.c (check_lang_option): Cast the result of `strlen' to
898 `int' when comparing against one.
900 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
902 * gcse.c (dump_cuid_table): Correct typo.
904 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
906 * toplev.c (display_help): Prepend '-m' to target specific
908 (check_lang_option): Ignore text after end of first word of a
909 language specific option.
911 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
913 * reload1.c (reg_used_by_pseudo): New static variable.
914 (choose_reload_regs): Initialize it.
915 Use it instead of testing spill_reg_order to determine whether a
916 pseudo is live in a hard register across the current insn.
917 Fix a typo in a reference to reload_reg_rtx.
919 * flow.c (propagate_block): Replace code that computes and uses
920 regs_sometimes_live with simpler code that just walks the set of
921 currently live registers.
923 * Makefile.in (insn-extract.o): Fix dependencies.
924 * genextract.c (main): Generate includes for insn-config.h and
926 Delete generation of declarations which are now in recog.h.
927 * genrecog.c (main): Delete generation of definitions which are
929 * local-alloc.c (block_alloc): Use extract_insn and the variables
930 it sets up instead of looking up values by insn_code.
931 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
932 recog_dup_num): Define here instead of generating the definition in
934 (recog_n_operands, recog_n_dups, recog_n_alternatives,
935 recog_operand_mode, recog_constraints, recog_operand_address_p):
937 (extract_insn): New function.
938 * recog.h (extract_insn): Declare function.
939 (which_alternative, recog_n_operands, recog_n_dups,
940 recog_n_alternatives, recog_operand_mode, recog_constraints,
941 recog_operand_address_p): Declare variables.
942 * regclass.c (n_occurrences): New static function.
943 * reload.c (n_occurrences): Delete function.
944 (find_reloads): Use extract_insn.
945 * reload.h (n_occurrences): Delete declaration.
947 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
949 * reload1.c (reload_as_needed): Fix test for when to call
950 update_eliminable_offsets.
952 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
954 Fix consistency problems with reg_equiv_{mem,address};
955 Improve reload inheritance;
957 * reload.c (reload_out_reg): New variable.
958 (loc_mentioned_in_p, remove_address_replacements): New functions.
959 (remove_replacements): Deleted.
960 (push_reload): Set reload_out_reg[i].
961 When merging, also set reload_{in,out}_reg[i], and remove
962 duplicate address reloads.
963 (combine_reloads): Copy reload_out_reg[i].
964 (find_reloads): Do make_memloc substitution also when
965 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
967 Include *recog_operand_loc in commutativity operand changes.
968 Generate optional output reloads.
969 Delete reference to n_memlocs. Don't set *recog_operand_loc before
970 processing operands. Call make_memloc in reg_equiv_address code.
971 Set *recog_operand_loc only after processing operands, and only
972 if replace is true. Return a value.
973 When changing address reload types for operands that didn't get
974 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
975 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
976 Don't emit USEs for pseudo SUBREGs when not replacing.
977 (find_reloads_address): Do make_memloc substitution also when
978 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
980 (find_reloads_toplev): Likewise.
981 Call make_memloc in reg_equiv_address code.
982 (debug_reload_to_stream): Add code to output reload_out_reg.
983 (make_memloc): Delete local variable i, ifdefed out code, and
984 references to memlocs and n_memlocs.
985 (memlocs, n_memlocs): Delete.
986 (push_secondary_reload): Clear reload_out_reg.
987 (find_reloads_address_1): Provide memrefloc argument to all calls
988 to find_reloads_address.
989 In AUTO_INC code, handle non-directly addressable equivalences properly.
990 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
991 (find_reloads): Add return type.
992 (remove_address_replacements, deallocate_reload_reg): Declare.
993 * reload1.c (num_not_at_initial_offset): No longer static.
994 (delete_address_reloads, delete_address_reloads_1): Likewise.
995 (deallocate_reload_reg): New function.
996 (spill_reg_stored_to): New array.
997 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
998 (eliminate_regs_in_insn): Move assignments of previous_offset and
999 max_offset fields, and recalculation of num_not_at_initial_offset
1000 into new static function:
1001 (update_eliminable_offsets) .
1002 (reload_as_needed): Call update_eliminable_offsetss after calling
1004 Call forget_old_reloads_1 with contents of reloaded auto_inc
1005 expressions if the actual addressing can't be changed to match the
1007 (choose_reload_regs): For inheritance, replace
1008 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1009 remove stand-alone reload_reg_used_at_all test.
1010 Use reload_out_reg to determine which reload regs have output reloads.
1011 Treat reload_override_in more similar to inherited reloads.
1012 Handle (subreg (reg... for inheritance.
1013 For flag_expensive_optimizations, add an extra pass to remove
1014 unnecessary reloads from known working inheritance.
1015 Delete obsolete code for pseudos replaced with MEMs.
1016 Handle inheritance from auto_inc expressions.
1017 (emit_reload_insns): If reload_in is a MEM, set OLD to
1019 Don't reload directly from oldequiv; if it's a pseudo with a
1020 stack slot, use reload_in[j].
1021 Check that reload_in_reg[j] is a MEM before replacing reload_in
1022 from reg_reloaded_contents.
1023 Include non-spill registers in reload inheritance processing.
1024 Also try to use reload_out_reg to set spill_reg_store /
1025 reg_last_reload_reg.
1026 In code to set new_spill_reg_store, use single_set to find out if
1027 there is a single set.
1028 Add code that allows to delete optional output reloads.
1029 Add code to allow deletion of output reloads that use no spill reg.
1030 At the end, set reload_override_in to oldequiv.
1031 Also call delete_output_reload if reload_out_reg is equal to old
1033 Add code to call delete_output_reload for stores with no matching load.
1034 Set / use spill_reg_stored_to.
1035 Handle case where secondary output reload uses a temporary, but
1036 actual store isn't found.
1037 When looking for a store of a value not loaded in order to call
1038 delete_output_reload, count_occurences should return 0 for no
1039 loads; but discount inherited input reloadill_reg_stored_to.
1040 Do checks for extra uses of REG. Changed all
1042 Use delete_address_reloads.
1043 (reload): Take return value of find_reloads into account.
1044 If a no-op set needs more than one reload, delete it.
1045 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1046 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1047 for the same operand.
1048 (clear_reload_reg_in_use): Check for other reloads that keep a
1050 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1051 RELOAD_FOR_OPADDR_ADDR.
1052 Take into account when an address address reload is only needed
1053 for the address reload we are considering.
1054 (count_occurrences): Use rtx_equal_p for MEMs.
1055 (inc_for_reload): Return instruction that stores into RELOADREG.
1056 New argument two, IN, and rtx. Changed all callers.
1057 (calculate_needs_all_insns, reload_as_needed):
1058 Don't clear after_call for a CLOBBER.
1059 Keep track of how many hard registers need to be copied from
1060 after_call, and don't clear after_call before we have seen
1061 that much copies, or we see a different instruction.
1063 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1065 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1066 after reload has completed.
1068 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1070 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1071 a macro name and the next token with a single blank if that whitespace
1072 is in a macro buffer and the next token is not '('.
1074 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1076 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1078 (skip_if_group): Ditto.
1079 (skip_to_end_of_comment): Ditto.
1081 (discard_comments): Ditto.
1082 (change_newlines): Ditto.
1084 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1086 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1088 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1090 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1091 (TARGET_OPTIONS): Add --help documentation.
1093 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1097 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1099 * fixinc/* Moved in from ../contrib directory in preparation
1100 for integrating it into the normal build process. In particular,
1101 fixinc/Makefile.in must be config-ed into the build directory
1102 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1103 ./configure.in will be "in the mail" momentarily.
1105 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1107 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1108 accidently walk into the free list. Comment how that can happen.
1109 (invalidate): Fix indentation.
1111 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1112 Jeffrey A Law (law@cygnus.com)
1114 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1115 reload. Never perform rescans of the insn chain after reload.
1116 (propagate_block): Do not delete insn or create new autoinc addressing
1119 * jump.c (jump_optimize): Unconditionally use the code that was
1120 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1121 * reload1.c (reload): When reloading is finished, delete all
1122 REG_DEAD and REG_UNUSED notes.
1123 (emit_reload_insns): Delete all code that was conditional on
1124 PRESERVE_DEATH_INFO_REGNO_P.
1125 (no_longer_dead_regs): Delete variable.
1126 (reload_cse_delete_death_notes): Delete function.
1127 (reload_cse_no_longer_dead): Delete function.
1128 (reload_cse_regs_1): Delete all code to handle deletion of death
1130 (reload_cse_noop_set_p): Likewise.
1131 (reload_cse_simplify_set): Likewise.
1132 (reload_cse_simplify_operands): Likewise.
1133 (reload_cse_move2add): Likewise.
1134 * reorg.c (used_spill_regs): Delete declaration.
1135 (max_label_num_after_reload): Delete declaration.
1136 (find_dead_or_set_registers): Don't assume that spill regs are
1137 dead at a CODE_LABEL.
1138 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1140 * sched.c (sched_analyze_insn): Likewise.
1141 (update_flow_info): Likewise.
1142 * haifa-sched.c (sched_analyze_insn): Likewise.
1143 (update_flow_info): Likewise.
1144 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1145 * toplev.c (max_label_num_after_reload): Delete variable.
1146 (rest_of_compilation): Don't set max_label_num_after_reload.
1147 Call life_analysis after reload_cse_regs if optimizing.
1148 * config/gmicro/gmicro.h: Delete comment referring to
1149 PRESERVE_DEATH_INFO_REGNO_P.
1150 * config/i386/i386.h: Likewise.
1151 * config/m88k/m88k.h: Likewise.
1152 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1153 * config/sh/sh.h: Likewise.
1155 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1157 * loop.c (strength_reduce): Restore marking bct_p as
1159 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1160 HAVE_decrement_and_branch_on_count.
1161 (small_data_operand): Remove TARGET_ELF condition for marking
1162 parameters ATTRIBUTE_UNUSED.
1164 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1166 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1167 (SELECT_SECTION): Resync with svr4.h.
1169 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1171 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1174 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1176 * c-pragma.c (handle_pragma_token): Test for null tree before
1177 dereferencing TREE_CODE.
1179 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1181 * config/c4x/c4x.c: Convert to use GEN_INT.
1182 (c4x_parallel_process): Rework to handle new repeat loop structure.
1184 * config/c4x/c4x.md: Convert to use GEN_INT.
1185 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1186 (decrement_and_branch_on_count): Likewise.
1188 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1189 loop.c has the desired functionality.
1190 (rc_reg_operand): New prototype.
1192 * config/c4x/t-c4x: Can now build all front ends.
1194 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1196 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1198 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1200 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1201 * config/t-rtems: Do not install assert.h -- use newlib's.
1203 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1205 * combine.c (combine_instructions): When finished, call init_recog.
1206 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1208 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1210 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1212 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1214 * cppalloc.c (memory_full): Mark function prototype with
1217 * demangle.h (collect_exit): Likewise.
1219 * fix-header.c (v_fatal, fatal): Likewise.
1221 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1224 * gcov.c (print_usage): Likewise.
1226 * genattr.c (fatal, fancy_abort): Likewise.
1228 * genattrtab.c (fatal, fancy_abort): Likewise.
1230 * gencodes.c (fatal, fancy_abort): Likewise.
1232 * genconfig.c (fatal, fancy_abort): Likewise.
1234 * genemit.c (fatal, fancy_abort): Likewise.
1236 * genextract.c (fatal, fancy_abort): Likewise.
1238 * genflags.c (fatal, fancy_abort): Likewise.
1240 * genopinit.c (fatal, fancy_abort): Likewise.
1242 * genoutput.c (fatal, fancy_abort): Likewise.
1244 * genpeep.c (fatal, fancy_abort): Likewise.
1246 * genrecog.c (fatal, fancy_abort): Likewise.
1248 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1249 __sjpopnthrow, __throw): Likewise.
1251 * objc/objc-act.c (objc_fatal): Likewise.
1253 * protoize.c (usage, aux_info_corrupted,
1254 declare_source_confusing): Likewise.
1256 * rtl.c (dump_and_abort): Likewise.
1258 * rtl.h (sets_cc0_p): Likewise.
1260 * toplev.c (float_signal, pipe_closed): Likewise.
1262 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1264 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1265 when generating the decision tree for the general case.
1267 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1268 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1270 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1272 * Makefile.in (sched.o): Depend on recog.h.
1274 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1275 (unsigned) when comparing against one.
1276 (find_base_value): Likewise.
1277 (record_base_value): Cast variable `regno' to (unsigned) when
1278 comparing against one. Cast the result of REGNO() macro to
1279 (unsigned) when comparing against one.
1280 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1282 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1283 variable where an unsigned index is needed.
1285 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1286 before comparing against one.
1288 * collect2.c: Add prototypes for functions `error', `fatal' and
1289 `fatal_perror'. Make these functions take variable arguments
1290 instead of faking it with a fixed number of args.
1291 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1294 * combine.c (can_combine_p): Mark parameter `pred' with
1296 (find_split_point): Cast variable `src' to (unsigned
1297 HOST_WIDE_INT) when comparing against one.
1298 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1299 (simplify_logical): Likewise.
1300 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1301 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1302 HOST_WIDE_INT) in shift.
1303 (simplify_and_const_int): Cast result of INTVAL() macro to
1304 `unsigned HOST_WIDE_INT' when comparing against one.
1305 (merge_outer_ops): Cast variable const0 to `unsigned
1306 HOST_WIDE_INT' when comparing against the result of
1307 GET_MODE_MASK() macro.
1308 (simplify_comparison): Likewise for variable `c0'. Cast variable
1309 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1310 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1311 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1312 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1313 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1314 comparing against one.
1315 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1317 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1318 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1319 (output_block_move): Cast `sizeof' expression to (int) when
1320 comparing against one.
1321 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1323 (save_restore_insns): Cast `base_offset' to `long' to match format
1324 specifier in fprintf.
1326 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1327 to `enum machine_mode'.
1329 * flow.c (life_analysis_1): Remove unused variable `insn'.
1331 * gcc.c (translate_options): Move variables `j' and `k' into the
1332 scope in which they are used. Change their types to `size_t'.
1333 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1334 (read_specs): Likewise.
1335 (process_command): Cast `sizeof' to (int) when comparing against one.
1336 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1337 (handle_braces): Cast both sides of `==' expression to `long' to
1338 ensure sign matching.
1339 (main): Cast variable `i' to `int' when comparing against one.
1341 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1342 int to size_t. Cast variable `i' to size_t when comparing against
1345 * genattrtab.c (convert_set_attr_alternative): Remove unused
1346 parameter `insn_code'. All callers changed.
1347 (convert_set_attr): Likewise.
1349 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1350 size_t when comparing against one. Likewise for variable `len'.
1352 * global.c (global_alloc): Cast variable `max_regno' to size_t
1353 when comparing against one. Likewise for variable `max_allocno'.
1355 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1357 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1358 `set' with ATTRIBUTE_UNUSED.
1359 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1362 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1363 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1364 (get_condition): Cast variable `const_val' to `unsigned
1365 HOST_WIDE_INT' when comparing against one. Cast unsigned
1366 expression to HOST_WIDE_INT when comparing against one.
1367 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1368 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1369 `unsigned' when comparing against one.
1371 * protoize.c (is_id_char): Change type of parameter `ch' to
1373 (munge_compile_params): Cast argument of ctype macro to (const
1375 (process_aux_info_file): Cast variable `aux_info_size' to int when
1376 comparing against one.
1377 (forward_to_next_token_char): Cast argument of ctype macro to
1378 `const unsigned char'.
1379 (edit_formals_lists): Likewise.
1380 (find_rightmost_formals_list): Likewise.
1381 (add_local_decl): Likewise.
1382 (add_global_decls): Likewise.
1383 (edit_fn_definition): Likewise.
1384 (do_cleaning): Likewise.
1385 (scan_for_missed_items): Likewise.
1386 (edit_file): Cast variable `orig_size' to (int) when comparing
1388 (main): Cast argument of ctype macro to `const unsigned char'.
1390 * recog.c (const_int_operand): Mark parameter `mode' with
1393 * regclass.c (record_reg_classes): Change type of variable `c' to
1394 `unsigned char'. Cast `char' array index to `unsigned char'.
1396 * reload.c (push_secondary_reload): Cast argument to
1397 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1399 * reload1.c (calculate_needs): Cast `char' array index to
1401 (set_label_offsets): Change type of variable `i' to unsigned int.
1402 Cast result of XVECLEN() macro to unsigned when comparing against
1404 (mark_not_eliminable): Change type of variable `i' to unsigned.
1405 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1406 when comparing against one.
1407 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1408 comparing against one.
1409 (choose_reload_regs): Hide unused label `fail'.
1410 (reload_cse_simplify_operands): Cast `char' array index to
1412 (reload_combine_note_store): Mark parameter `set' with
1413 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1415 (reload_cse_move2add): Remove unused variable `src2'.
1417 * sched.c: Include recog.h.
1418 (sched_note_set): Remove unused parameter `b'. All callers
1420 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1421 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1422 when comparing against one.
1424 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1425 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1426 comparing against one.
1428 * unroll.c (precondition_loop_p): Remove unused parameter
1429 `loop_end'. All callers changed.
1431 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1433 * reload1.c (maybe_fix_stack_asms): New static function.
1436 * reload.h (compute_use_by_pseudos): Declare.
1438 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1439 (something_needs_reloads): Delete variable.
1440 (finish_spills): New function.
1441 (compute_use_by_pseudos): New function.
1443 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1444 Use the reload_insn_chain instead of walking the rtl directly.
1446 (reload): Allocate and free spilled_pseudos.
1447 Ensure that all calls of spill_hard_reg are followed by a call to
1449 Use the insns_need_reload list instead of something_needs_reloads
1450 to find out if reload_as_needed must be called.
1451 Clear unused_insn_chains at the end.
1453 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1455 Delete code to keep track of current basic block.
1456 Walk reload_insn_chain instead of the rtl structure. Build the
1457 insns_need_reload chain.
1458 Remember which insns need reloading/elimination by setting the
1459 appropriate fields in struct insn_chain, not by putting modes on the
1462 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1463 arg INSN. All callers changed.
1464 Delete declaration of struct needs.
1465 Don't set something_needs_reloads.
1466 Record insn needs in the CHAIN argument.
1468 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1470 (reload_as_needed): Lose FIRST arg. All callers changed.
1471 Walk the reload_insn_chain instead of the rtx structure.
1472 Delete code to keep track of current basic block.
1473 Rename one of the NEXT variables to OLD_NEXT.
1475 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1477 (choose_reload_regs): Likewise.
1479 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1482 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1483 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1484 (hard_regs_live, hard_regs_need_restore): Delete variables.
1485 (n_regs_saved): Now static.
1486 (referenced_regs, this_insn_sets): New variables.
1488 (setup_save_areas): Restructure the code a bit.
1490 (restore_referenced_regs): Delete function.
1491 (mark_referenced_regs): New function, similar to the old
1492 restore_referenced_regs, but mark registers in referenced_regs.
1494 (clear_reg_live): Delete function.
1495 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1496 Only mark registers in this_insn_sets.
1498 (save_call_clobbered_regs): Rework this function to walk the
1499 reload_insn_chain instead of using the list of instructions directly.
1500 Delete code to keep track of register lives, compute live regs on the
1501 fly from information in the chain.
1502 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1503 then walk the set it computes and call insert_restore as appropriate.
1505 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1507 Restructure the code a bit. Test hard_regs_saved instead of
1508 hard_regs_need_restore.
1509 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1510 args. All callers changed.
1511 Restructure the code a bit. Use TO_SAVE to determine which regs to
1512 save instead of more complicated test.
1513 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1515 Create a new insn_chain structure for the new insn and place it
1518 * rtl.texi: Update documentation to reflect that reload no longer
1519 puts modes on the insns.
1521 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1523 * function.c (purge_addressof_1): Force the first argument of a
1524 CALL insn to memory.
1526 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1528 * rtl.h: Delete duplicate prototypes. Add some missing
1530 * rtlanal.c: (for_each_rtx): Formatting tweak.
1532 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1534 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1535 to be compatible with TI compiler.
1537 * Makefile.in (USER_H): Add va-c4x.h to definition.
1539 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1541 * function.c (purge_addressof_1): Fix typo in inequality: do
1542 bitfield optimization for equal mode sizes.
1543 * expmed.c (store_bit_field): Don't take subregs of subregs in
1544 the movstrict case. Tidy a potential problem in the multi-word case.
1545 (extract_bit_field): Likewise.
1547 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1549 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1551 Compute max_uid_for_flow by calling get_max_uid after the scan.
1552 (find_basic_blocks_1): Don't emit NOPs here.
1554 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1556 * alias.c (base_alias_check): Accept new args for the modes of the
1557 two references. Use them to determine if an AND can overlap. Update
1559 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1560 to determine if an AND can overlap.
1562 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1564 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1565 check. Add comment to document problems with TARGET_SUN_FPA version
1567 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1569 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1571 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1573 * c-common.c (print_char_table): Add missing initializers.
1574 (scan_char_table): Likewise.
1575 (time_char_table): Likewise.
1577 * c-decl.c (c_decode_option): Mark parameter `argc' with
1579 (declare_parm_level): Mark parameter `definition_flag' with
1582 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1583 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1586 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1588 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1590 (expand_call): Cast result of MIN() to (unsigned int) when
1591 comparing against an unsigned value.
1593 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1595 (make_definition): Remove unused parameter `op'. All callers
1597 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1598 comparing against the result of pointer arithmetic.
1600 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1601 when comparing against one.
1603 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1604 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1606 (output_die): Move variable `i' into the scope in which it is
1607 used. Change its type to `unsigned'.
1608 (output_die): Cast the result of `strlen' to (int) when passing it
1609 to ASM_OUTPUT_ASCII().
1610 (output_pubnames): Likewise.
1611 (output_line_info): Likewise.
1613 * emit-rtl.c (global_rtl): Add missing initializers.
1615 * explow.c (promote_mode): Mark parameter `for_call' with
1618 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1619 `unsigned HOST_WIDE_INT' when comparing against one.
1620 (synth_mult): Change type of variable `cost' to int.
1621 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1623 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1624 when comparing against one.
1625 (get_inner_reference): Change variable `alignment' to unsigned.
1626 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1627 int) when comparing against one.
1628 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1630 * fold-const.c (div_and_round_double): Cast BASE to
1631 (HOST_WIDE_INT) when comparing against one.
1633 * gencheck.c: Include gansidecl.h.
1634 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1636 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1637 `tcode' with ATTRIBUTE_UNUSED.
1639 * real.c (edivm): Cast constant value to (unsigned long) in
1640 expression compared against an unsigned value.
1642 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1643 comparing against one.
1644 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1645 when comparing against one.
1647 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1648 (unsigned int) when comparing against one. Likewise for
1650 (smallest_mode_for_size): Likewise.
1651 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1652 (restore_storage_status): Likewise.
1654 * toplev.c (debug_args): Add missing initializer.
1655 (f_options): Spelling correction. Add missing initializers.
1656 (documented_lang_options): Likewise.
1657 (debug_end_source_file): Mark parameter `lineno' with
1660 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1661 `decl' and `type' with ATTRIBUTE_UNUSED.
1663 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1664 when comparing against one.
1665 (assemble_variable): Mark parameter `top_level' with
1667 (assemble_external_libcall): Mark parameter `fun' with
1669 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1672 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1674 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1675 Replace use of r5 with use of r19.
1677 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1679 * config/v850/v850.c (compute_register_save_size): Allow for the
1680 fact that helper functions save all registers, not just those used
1683 Replace constant 31 with macro LINK_POINTER_REGNUM.
1685 * config/v850/v850.md: Use 'indirect_operand' rather than
1686 'memory_operand' for bit test/set/clear patterns.
1688 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1690 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1691 * varasm.c (assemble_start_function et al): Don't call
1692 ASM_GLOBALIZE_LABEL for weak symbols.
1694 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1696 * cse.c (equiv_constant): Check for NULL return from
1697 gen_lowpart_if_possible().
1699 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1701 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1703 * collect2.c (main): Pass -EL/-EB through to the compiler.
1705 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1707 * expr.c (push_block): Handle targets where the stack grows
1708 to higher addresses, but args grow to lower addresses and
1709 ACCUMULATE_OUTGOING_ARGS is not defined.
1711 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1713 * config/v850/v850.c (print_operand): Extend meaning
1714 of 'c' operands to support .vtinherit.
1716 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1718 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1719 Added ATTRIBUTE_UNUSED to unused function arguments.
1720 (rc_reg_operand): New predicate.
1721 (c4x_rptb_insert): New function.
1722 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1723 (c4x_optimization_options): New function.
1725 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1726 (decrement_and_branch_on_count): New pattern.
1727 (rptb_top): Modified pattern to work with BCT optimization.
1729 * config/c4x/c4x.h (RC_REG): New register class.
1730 (rc_reg_operand): Define prototype.
1731 (IS_RC_REG): New macro.
1732 (IS_RC_OR_PSEUDO_REG): New macro.
1733 (IS_RC_OR_PSEUDO_REGNO): New macro.
1734 (OPTIMIZATION_OPTIONS): Define.
1736 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1738 * collect2.c (extract_init_priority): No priority is 65535.
1740 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1742 * Makefile.in (build_tooldir): new variable, same as old
1743 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1744 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1745 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1747 * configure.in (gxx_include_dir): set default based on unlibsubdir
1748 * Makefile.in (tooldir): ditto
1749 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1750 gxx_include_dir, includedir and tooldir
1751 (protoize.o, unprotoize.o): ditto
1753 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1755 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1757 * config/arm/thumb.c (thumb_override_options): Add warning about
1758 PIC code not being supported just yet.
1760 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1762 * flow.c: Update comment.
1763 (notice_stack_pointer_modification): New static function.
1764 (record_volatile_insns): Use it.
1765 (mark_regs_live_at_end): Mark the stack pointer as alive
1766 at the end of the function if current_function_sp_is_unchanging
1768 (life_analysis_1): Set current_function_sp_is_unchanging.
1769 * function.c: Define it.
1770 (init_function_start): Initialize it.
1771 * output.h: Declare it.
1772 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1773 the stack pointer as alive at the end of the function if
1774 current_function_sp_is_unchanging is set.
1775 * i386.c (ix86_epilogue): Optimize the restoring
1776 of the stack pointer.
1778 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1780 * version.c: Bump for snapshot.
1782 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1784 * c-pragma.c (handle_pragma_token): If passed a token instead
1785 of a tree, use that as the pack value.
1787 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1789 * flow.c (find_basic_blocks_1): Fix prototype.
1791 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1793 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1794 (struct tree_decl): New fields no_check_memory_usage.
1795 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1796 (init_attributes): Register it as a new attribute.
1797 (decl_attributes): Set flags on functions given that attribute.
1798 * c-decl.c (duplicate_decls): Merge new attribute.
1799 * expr.h (current_function_check_memory_usage): Declare new var.
1800 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1801 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1802 current_function_check_memory_usage.
1803 * function.h: Add field to struct function.
1804 * function.c (current_function_check_memory_usage): Define it.
1805 (push_function_context_to, pop_function_context_from): Save and
1807 (expand_function_start): Set it, based on global flag and function
1810 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1811 check non-automatic variables, to permit detection of writes to
1812 read-only locations in embedded systems without memory management.
1813 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1814 when emitting chkr_set_right_libfunc call, even if the argument is
1815 BLKmode or variable-sized; don't abort.
1817 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1818 symbols in Pmode, not VOIDmode.
1820 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1822 * cppexp.c: When forcing unsigned comparisons, cast both sides
1825 * cpphash.h: Move static declaration of hashtab[]...
1826 * cpphash.c: ...here.
1828 * cpplib.c: Cast difference of two pointers to size_t before
1829 comparing it to size_t. Cast signed to unsigned
1830 before comparing to size_t. (FIXME: struct argdata should use
1831 unsigned buffer sizes.)
1832 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1833 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1834 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1835 size_t before comparison.
1837 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1839 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1840 (find_basic_blocks_1): Similarly.
1841 * output.h (find_basic_blocks): Fix prototype.
1842 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1843 find_basic_blocks anymore.
1845 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1847 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1848 (sbitmap_free, sbitmap_vector_free): New macros.
1849 * output.h (rtl_dump_file): Declare.
1851 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1853 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1855 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1857 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1859 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1860 (divide): Remove unused variable `tmp'.
1861 (si_to_float): Cast numeric constant to (SItype) before comparing
1864 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1866 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1867 * gcc.c (add_preprocessor_option): Correct typo when allocating
1868 memory, sizeof() argument had one too many `*'.
1869 (add_assembler_option): Likewise.
1870 (add_linker_option): Likewise.
1871 * gcov.c (output_data): Likewise.
1872 * local-alloc.c (memref_used_between_p): Likewise.
1873 (update_equiv_regs): Likewise.
1874 * loop.c (strength_reduce): Likewise.
1875 * reg-stack.c (record_asm_reg_life): Likewise.
1876 (subst_asm_stack_reg): Likewise.
1877 * reorg.c (dbr_schedule): Likewise.
1879 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1881 * flow.c (life_analysis_1): Break out some functions.
1882 (find_basic_blocks_1): Likewise. Also move some variables out and
1884 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1885 new static var nonlocal_label_list with it.
1886 (active_eh_region, nested_eh_region, label_value_list,
1887 nonlocal_label_list): New static variables.
1888 (make_edges, delete_unreachable_blocks, delete_block): New static
1889 functions, broken out of find_basic_blocks_1.
1890 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1891 noop_move_p): New static functions, broken out of life_analysis_1.
1893 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1895 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1896 Take extra care for op0 now possibly being a subreg.
1897 (extract_bit_field): Likewise.
1898 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1899 the reg to memory if there is no equal sized integral mode.
1900 * stor-layout.c (int_mode_for_mode): New function.
1901 * machmode.h: Prototype it.
1903 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1905 * global.c (build_insn_chain): Verify no real insns exist past the
1906 end of the last basic block, then exit the loop.
1908 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1910 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1912 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1914 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1916 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1918 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1920 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1922 * flow.c (find_basic_blocks): Correctly determine when a call
1923 is within an exception region.
1925 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1927 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1929 * cpplib.h: Protect from multiple inclusions.
1930 * cpplib.c: Fix minor formatting problems.
1932 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1934 * jump.c (jump_optimize): Revert accidental patch.
1936 * Makefile.in (cpplib.o): Use unlibsubdir.
1938 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1940 * loop.c (get_condition): Allow combine when either compare is
1943 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1945 * version.c: Bump for snapshot.
1947 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1949 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1950 (init_lex): Initialize ridpointers[RID_BYREF].
1951 * c-lex.h (enum rid): Add RID_BYREF.
1952 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1953 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1954 (encode_type_qualifiers): Similarly
1955 * c-gperf.h: Rebuilt.
1957 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1959 * c-common.c (type_for_mode): Only return TItype nodes when
1960 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1961 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1962 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1963 (init_decl_processing): Only create TItype nodes when
1964 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1965 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1966 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1968 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1970 * stmt.c (n_occurrences): New static function.
1971 (expand_asm_operands): Verify that all constrains match in the
1972 number of alternatives.
1973 Verify that '+' or '=' are at the beginning of an output constraint.
1974 Don't allow '&' for input operands.
1975 Verify that '%' isn't written for the last operand.
1976 * reload.c (find_reloads): Abort if an asm is found with invalid
1977 constraints; all possible problems ought to be checked for earlier.
1979 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1981 * flags.h (flag_branch_on_count_reg): Always declare
1982 * toplev.c (flag_branch_on_count_reg): Likewise.
1983 * toplev.c: Fix typos.
1985 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1988 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1990 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1992 (find_basic_blocks_1): Add a nop to the end of a basic block when
1993 a trailing call insn does not have abnormal control flow.
1994 * gcse.c (pre_transpout): New variable.
1995 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1996 (compute_pre_transpout): Calculate it.
1997 (compute_pre_ppinout): Use it to eliminate impossible placements
1998 due to abnormal control flow through calls.
1999 (compute_pre_data): Call compute_pre_transpout.
2001 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2003 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2005 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2007 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2008 and matching define_insns): Tack on a `use' of the table label, so
2009 flow analysis will recognize a tablejump.
2011 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2013 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2014 always end basic blocks for abnormal edge reasons.
2016 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2018 * config/i386/i386.h: Remove definition of
2019 HANDLE_PRAGMA_PACK_PUSH_POP.
2021 * config/i386/go32.h: Add definition of
2022 HANDLE_PRAGMA_PACK_PUSH_POP.
2024 * config/i386/win32.h: Add definition of
2025 HANDLE_PRAGMA_PACK_PUSH_POP.
2027 * config/i386/cygwin32.h: Add definition of
2028 HANDLE_PRAGMA_PACK_PUSH_POP.
2030 * c-pragma.c (insert_pack_attributes): Do not insert
2031 attributes unless #pragma pack(push,<n>) is in effect.
2033 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2035 * expr.c (emit_group_store): Handle a PARALLEL destination.
2037 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2039 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2040 the new insns before the argument regs are loaded.
2042 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2044 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2045 (c-parse.gperf): Update comments describing invocation flags.
2046 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2048 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2050 * reload1.c (reload): Call free before clobbering the memory
2051 locations or constants pointers.
2053 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2055 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2056 for efficiency by checking whether we need to modify the current
2057 stack permission at all.
2058 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2059 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2060 __enable_execute_stack libcall here too if
2061 TRANSFER_FROM_TRAMPOLINE is defined.
2062 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2065 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2067 * Makefile.in (DRIVER_DEFINES): Remove last change.
2069 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2071 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2072 insns we're going to copy.
2073 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2075 * loop.c (count_one_set): Add prototype.
2077 * caller-save.c (restore_referenced_regs): Lose mode argument.
2078 (insert_save): Lose mode argument.
2079 (insert_restore): Lose mode argument.
2080 (insert_one_insn): Lose mode argument.
2081 (save_call_clobbered_regs): Lose mode argument.
2082 (setup_save_areas): Take no argument and return void. All callers
2084 Don't verify validity of memory addresses.
2085 * reload.h (setup_save_ares): Adjust prototype.
2086 (save_call_clobbered_regs): Likewise.
2087 * reload1.c (delete_caller_save_insns): New function.
2088 (caller_save_spill_class): Delete variable.
2089 (caller_save_group_size): Delete variable.
2090 (reload): Call setup_save_areas and save_call_clobbered_regs
2091 in the main loop, before calling calculate_needs_all_insns.
2092 Don't call save_call_clobbered_regs after the loop.
2093 Call delete_caller_save_insns at the end of an iteration if
2095 Delete code to manage caller_save_spill_class.
2096 Emit the final note before setting reload_first_uid.
2097 Simplify test that determines whether reload_as_needed gets run.
2098 (calculate_needs): Delete code to manage caller_save_spill_class.
2100 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2102 * collect2.c (main): Initialize ld_file_name.
2104 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2106 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2107 check for flag_function_sections.
2109 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2111 * cse.c (insert_regs): Fix bug in Sep 24 change.
2113 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2115 * flags.h (flag_dump_unnumbered): Declare.
2116 * toplev.c (flag_dump_unnumbered): Don't declare.
2117 * print-rtl.c (flags.h): Include.
2118 (print_rtl_single): Add return value.
2119 * rtl.h (print_rtl_single): Update declaration.
2120 * flow.c (flag_dump_unnumbered): Don't declare.
2121 (print_rtl_with_bb): Use return value of print_rtl_single.
2123 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2125 * loop.c (count_one_set): New static function, broken out of
2127 (count_loop_regs_set): Call it.
2128 * global.c (mark_reg_store): Handle clobbers here by not calling
2130 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2131 is in fact a clobber.
2132 * integrate.c (process_reg_param): New function, broken out of
2133 expand_inline_function.
2134 (expand_inline_function): Call it.
2137 * i386.md (addsidi3_1): Delete unused variable temp.
2138 (addsidi3_2): Likewise.
2139 (clstrstrsi): Delete unused variable addr1.
2141 * rtl.h: Don't declare any functions also declared in recog.h.
2143 * Makefile.in (stupid.o): Update dependencies.
2144 (global.o): Likewise.
2146 * global.c: Include reload.h
2147 (reg_becomes_live): New function.
2148 (reg_dies): New function.
2149 (build_insn_chain): New function.
2150 (global_alloc): Call build_insn_chain before calling reload.
2152 * reload.h (struct needs): New structure definition.
2153 (struct insn_chain): Likewise.
2154 (reload_insn_chain): Declare variable.
2155 (new_insn_chain): Declare function.
2158 * reload1.c (reload_startobj): New variable.
2159 (reload_insn_chain): New variable.
2160 (unused_insn_chains): New variable.
2161 (new_insn_chain): New function.
2162 (init_reload): Initialize reload_startobj, not reload_firstobj.
2163 (reload): Initialize reload_firstobj.
2164 Before returning, free everything on the reload_obstack.
2166 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2167 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2168 current_chain): New variables.
2169 (reg_where_born): Delete variable.
2170 (REG_WHERE_BORN): New macro.
2171 (find_clobbered_regs): New function.
2172 (stupid_life_analysis): Don't allocate/free reg_where_born.
2173 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2174 reg_where_dead_chain.
2175 Use REG_WHERE_BORN instead of reg_where_born.
2176 While processing the insns, build the reload_insn_chain with
2177 information about register lifetimes.
2178 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2179 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2181 Compute and information about birth and death of pseudo registers in
2182 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2183 Delete code to set elements of reg_where_born.
2185 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2187 * tree.def (GOTO_EXPR): Modified documentation.
2188 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2191 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2193 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2194 loop_final_value, loop_comparison_code): No longer static.
2195 (unroll_loop): Delete loop_start_value update.
2196 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2197 loop_final_value, loop_comparison_code): Extern.
2198 (loop_start_value): Delete extern.
2199 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2200 loop_comparison_value, loop_comparison_code): Delete.
2201 (loop_optimize): Remove initialization for deleted variables.
2202 (strength_reduce): Delete analyze_loop_iterations call. Only call
2203 insert_bct if flag_branch_count_on_reg set.
2204 (analyze_loop_iterations): Delete.
2205 (insert_bct): Remove iteration count calculation. Move checks for
2206 viable BCT optimization to here. Obtain iteration count from
2207 loop_iterations and correct for unrolling. Check for enough
2208 iteration to be beneficial. Comment out runtime iteration count
2210 (insert_bct): Print iteration count in dump file. Remove
2211 loop_var_mode and use word_mode directly.
2213 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2214 * rs6000.c (rs6000_override_options): Use it.
2215 (optimization_options): Enable use of flag_branch_on_count_reg.
2216 * rs6000.md (define_function_unit): Describe 604e.
2218 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2220 * loop.c (move_movables): Corrected threshold calculation for
2221 moved_once registers.
2223 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2225 * loop.c (combine_givs_p): Fix test for identical givs.
2227 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2229 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2230 call abort if the function is already defined.
2232 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2234 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2235 truncation is not a no-op.
2237 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2239 * version.c: Bump for snapshot.
2241 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2243 * version.c: Bump for snapshot.
2245 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2247 * expmed.c (expand_divmod): Don't widen for computing remainder
2248 if we seem to have a divmod pattern for needed mode.
2250 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2252 * cpplib.c (macroexpand): Correct off-by-one error in handling
2255 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2257 * combine.c (expand_field_assignment): Don't do bitwise operations
2258 on MODE_FLOAT; pun to MODE_INT if possible.
2260 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2261 scott snyder <snyder@d0sgif.fnal.gov>
2263 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2264 linker. Recognize mangled names in quotes.
2266 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2268 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2269 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2270 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2271 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2273 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2275 * function.c (purge_addressof_1): If trying to take a sub-word
2276 integral piece of a floating point mode, put it on the stack.
2278 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2280 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2282 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2284 * PROJECTS: Remove template friends.
2286 * collect2.c (sort_ids): Remove unused variable.
2288 * tm.texi (MATH_LIBRARY): Document.
2289 (NEED_MATH_LIBRARY): Remove.
2291 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2292 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2294 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2296 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2297 last_end to 0x7fffffff.
2299 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2301 * function.c (purge_addressof_1): Do not perform endianness
2302 corrections on bitpos, who we call will do it for us.
2304 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2306 * h8300.c (WORD_REG_USED): Fix typo.
2307 (initial_offset): Use WORD_REG_USED.
2309 * h8300.c (handle_pragma): Fix typo.
2311 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2313 * caller-save.c (insert_save_restore): Break this function up
2314 into new functions insert_restore, insert_save and insert_one_insn.
2315 All callers changed.
2316 (insert_restore): New function, mostly broken out of
2317 insert_save_restore.
2318 (insert_save): Likewise.
2319 (insert_one_insn): Likewise.
2320 (restore_referenced_regs): New argument BLOCK. All callers changed.
2321 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2322 in this function, do it in insert_one_insn instead.
2324 * reload1.c (reload): Break out some more pieces into separate
2326 (dump_needs): New function, broken out of reload.
2327 (set_initial_elim_offsets): Likewise.
2328 (init_elim_table): Likewise.
2329 (update_eliminables): Likewise.
2331 * global.c (global_alloc): Delete code to manage the scratch_list.
2332 * local-alloc.c (qty_scratch_rtx): Delete.
2333 (scratch_block): Delete.
2334 (scratch_list): Delete.
2335 (scratch_list_length): Delete.
2336 (scratch_index): Delete.
2337 (alloc_qty_for_scratch): Delete.
2338 (local-alloc): Update initialization of max_qty.
2339 Delete code to manage the scratch list.
2340 Delete code to allocate/initialize qty_scratch_rtx.
2341 (block_alloc): Don't allocate quantities for scratches.
2342 Delete code to manage the scratch list.
2343 * regs.h (scratch_list): Delete declaration.
2344 (scratch_block): Delete declaration.
2345 (scratch_list_length): Delete declaration.
2346 * reload1.c (reload): Delete code to manage the scratch list.
2347 (spill_hard_reg): Likewise.
2348 (mark_scratch_live): Delete.
2350 * recog.c (alter_subreg): Delete declaration.
2352 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2354 * Makefile.in (cccp.o): Fix typo in last patch.
2356 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2358 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2359 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2361 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2363 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2364 NULL_RTX as an argument.
2366 * Makefile.in (unlibsubdir): Define.
2367 (DRIVER_DEFINES): Use unlibsubdir.
2368 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2369 (stmp-fixinc): Similarly.
2371 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2373 * regmove.c (regmove_optimize): Add variable old_max_uid.
2374 At the end of the function, update basic_block_end.
2376 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2378 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2379 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2382 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2384 * config/arm/arm.c: Improve interworking support.
2386 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2388 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2389 copied from reload_out[r] .
2391 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2393 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2394 with more than three size ranges.
2396 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2398 * rtl.c (mode_name): Add a null string at the end of the array.
2399 (mode_wider_mode): Change type to unsigned char.
2400 (mode_mask_array): New variable.
2401 (init_rtl): Update for mode_wider_mode type change.
2403 * rtl.h (mode_wider_mode): Change type to unsigned char.
2404 (mode_mask_array): Declare.
2405 (GET_MODE_MASK): Use mode_mask_array.
2407 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2409 * calls.c (expand_call) : Encapsulate code into
2410 copy_blkmode_from_reg.
2411 * expr.c (copy_blkmode_from_reg): New function.
2412 * expr.h (copy_blkmode_from_reg): New function.
2413 * integrate.c (function_cannot_inline_p): We can inline
2415 (expand_inline_function): Use copy_blkmode_from_reg
2416 if needed. Avoid creating BLKmode REGs.
2417 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2420 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2422 * config/v850/v850.c: Add function prototypes.
2423 Add support for v850 special data areas.
2425 * config/v850/v850.h: Add support for v850 special data areas.
2427 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2428 HANDLE_PRAGMA_PACK_PUSH_POP.
2429 (push_alignment): New function: Cache an alignment requested
2430 by a #pragma pack(push,<n>).
2431 (pop_alignment): New function: Pop an alignment from the
2433 (insert_pack_attributes): New function: Generate __packed__
2434 and __aligned__ attributes for new decls whilst a #pragma pack
2436 (add_weak): New function: Cache a #pragma weak directive.
2437 (handle_pragma_token): Document calling conventions. Add
2438 support for #pragma pack(push,<n>) and #pragma pack (pop).
2440 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2441 are defined enable HANDLE_PRAGMA_PACK.
2442 Move 'struct weak_syms' here (from varasm.c).
2443 Add pragma states for push and pop pragmas.
2445 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2448 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2449 HANDLE_GENERIC_PRAGMAS.
2451 * varasm.c: Move definition of 'struct weak_syms' into
2453 (handle_pragma_weak): Deleted.
2455 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2457 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2459 * c-decl.c (start_function): Add invocation of
2460 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2462 * tm.texi: Remove description of non-existant macro
2463 SET_DEFAULT_SECTION_NAME.
2465 (HANDLE_SYSV_PRAGMA): Document.
2466 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2468 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2470 * config.sub: Recognize i[34567]86-pc-udk as new target.
2471 * configure.in: Likewise.
2472 * config/i386/t-udk: New file.
2473 * config/i386/udk.h: New file.
2475 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2477 * reorg.c (check_annul_list_true_false): Remove unused variables.
2478 (steal_delay_list_from_target): Add missing "used_annul" variable.
2479 (try_merge_delay_insns): Close out half formed comment.
2481 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2483 * cpplib.c (macroexpand): If arg->raw_before or
2484 arg->raw_after, remove any no-reexpansion escape at the
2485 beginning of the pasted token. Correct handling of whitespace
2486 markers and no-reexpand markers at the end if arg->raw_after.
2488 * toplev.c (documented_lang_options): Recognize -include,
2489 -imacros, -iwithprefix, -iwithprefixbefore.
2490 * cpplib.c (cpp_start_read): Process -imacros and -include
2491 switches at the same time and in command-line order, after
2492 initializing the dependency-output code. Emit properly nested
2493 #line directives for them. Emit a #line for the main file
2494 before processing these switches, and don't do it again
2497 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2499 * function.c (purge_addressof_1): Use bitfield manipulation
2500 routines to handle mem mode < reg mode.
2502 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2504 * reorg.c (try_merge_delay_insns): Account for resources referenced
2505 in each instruction in INSN's delay list before trying to eliminate
2506 useless instructions. Similarly when looking at a trial insn's delay
2509 * reorg.c (check_annul_list_true_false): New function.
2510 (steal_delay_list_from_{target,fallthrough}): Call it and also
2511 refine tests for when we may annul if already filled a slot.
2512 (fill_slots_from_thread): Likewise.
2513 (delete_from_delay_slot): Return newly-created thread.
2514 (try_merge_delay_isns): Use its new return value.
2516 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2518 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2519 used to compute a giv or as some other non-counting use.
2521 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2523 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2524 * local-alloc.c (find_free_reg): Use it.
2525 * global.c (find_reg): Likewise.
2526 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2528 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2529 * caller-save.c (init_caller_save): Use it.
2530 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2532 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2534 * configure.in: Add --enable-cpplib option which uses cpplib
2535 for cpp, but doesn't link cpplib into cc1. Make help text
2536 capitalization consistent.
2537 * configure: Rebuilt.
2539 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2541 * function.c (gen_mem_addressof): If the address REG is
2542 REG_USERVAR_P make the new REG be so also.
2543 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2544 in an attempt to clarify slightly.
2546 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2548 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2549 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2551 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2553 * toplev.c: Fix last patch.
2555 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2557 * loop.c (get_condition): Fix typo in May 9 change.
2559 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2561 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2563 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2565 * toplev.c (documented_lang_options): Spelling corrections.
2567 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2569 * configure.in: new flags --with-ld and --with-as, equivalent
2570 to setting LD and AS environment variables. Test whether
2571 specified arguments are GNU commands, and report them with
2572 checking messages. Use the specified AS for configure
2575 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2577 * gcc.c (find_a_file): when looking for `as' and `ld', return
2578 the DEFAULT program if it exists
2579 * collect2.c (main): use DEFAULT_LINKER if it exists
2581 * gcc.c (find_a_file): the test for existence of a full
2582 pathname was reversed
2584 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2586 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2587 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2589 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2591 * tree.h (TYPE_BINFO): Document.
2593 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2595 * i386-coff.h (dbxcoff.h): Added.
2597 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2599 * toplev.c: fix bad patch around flag_data_sections.
2601 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2603 * reload1.c (reload): Use reload_address_index_reg_class and
2604 reload_address_base_reg_class when setting
2605 caller_save_spill_class. (Patch generated by Jim Wilson:
2608 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2610 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2611 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2612 * expr.c (store_field): Add alias_set parameter. Set the
2613 MEM_ALIAS_SET accordingly, if the target is a MEM.
2614 (expand_assignment): Use it.
2615 (store_constructor_field): Pass 0.
2616 (expand_expr): Likewise.
2618 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2620 * flags.h: Add flag_data_sections.
2621 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2622 (compile_file): Error if flag_data_sections not supported.
2623 * varasm.c (assemble_variable): Handle flag_data_sections.
2624 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2625 * config/mips/elf.h: Likewise.
2626 * config/mips/elf64.h: Likewise.
2627 * invoke.texi: Describe -fdata-sections.
2629 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2631 * invoke.texi (-ffloat-store): Clarify that this option
2632 does not affect intermediate results -- only variables.
2634 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2636 * cpp.texi: Update for Fortran usage from Craig.
2638 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2640 * rs6000.c (function_arg_boundary): Revert accidental change on
2643 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2645 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2646 (output_mi_thunk): Declare.
2648 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2649 (output_function_profiler): Use r12 for temp, instead of r11 so
2650 that we preserve the static chain register.
2652 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2654 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2656 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2658 * sh.c (gen_shl_sext): Fix case 5.
2660 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2662 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2664 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2666 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2667 accessing variables until they are initialized via va_arg().
2669 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2671 * reload1.c (reload_combine): Initialize set before using.
2673 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2675 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2678 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2680 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2681 operand3 with mask before using it. Patch provided by Jim Wilson.
2683 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2685 * config/sparc/sparc.c (function_value): Perform the equivalent of
2686 PROMOTE_MODE for ARCH64.
2687 (eligible_for_epilogue_delay): Allow DImode operations in delay
2688 slot of a return for ARCH64.
2690 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2692 * sh.md (sqrtsf2): Fix mode of sqrt.
2694 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2696 * reload1.c (choose_reload_regs): Also try inheritance when
2697 reload_in is a stack slot of a pseudo, even if we already got a
2700 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2702 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2703 (reload_cse_regs): New function body: call reload_cse_regs_1,
2704 reload_combine, reload_cse_move2add.
2705 When doing expensive_optimizations, call reload_cse_regs_1 a
2706 second time after reload_cse_move2add.
2707 (reload_combine, reload_combine_note_store): New functions.
2708 (reload_combine_note_use): New function.
2709 (reload_cse_move2add, move2add_note_store): New functions.
2711 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2713 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2714 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2716 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2717 more than 3 such reloads.
2719 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2720 RELOAD_FOR_X_ADDR_ADDR reload.
2722 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2724 * expr.c (store_constructor): When initializing a field that is smaller
2725 than a word, at the start of a word, try to widen it to a full word.
2727 * cse.c (cse_insn): When we are about to change a register,
2728 remove any invalid references to it.
2730 (remove_invalid_subreg_refs): New function.
2731 (mention_regs): Special treatment for SUBREGs.
2732 (insert_regs): Don't strip SUBREG for call to mention_regs.
2733 Check if reg_tick needs to be bumped up before that call.
2734 (lookup_as_function): Try to match known word_mode constants when
2735 looking for a norrower constant.
2736 (canon_hash): Special treatment for SUBREGs.
2738 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2740 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2741 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2742 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2743 and offsets in actual stack trampoline code so they match the
2744 commentary and actually work.
2746 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2748 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2750 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2751 tmake_file. Set extra_parts to needed crt objects.
2752 * configure: Rebuilt.
2753 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2754 (TARGET_DEFAULT): Set if default is v9 or ultra.
2755 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2756 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2757 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2758 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2759 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2760 (TARGET_VERSION): Define.
2761 (MULTILIB_DEFAULT): Define.
2762 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2763 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2764 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2766 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2767 * config/sparc/sparc.c (sparc_override_options): If arch and
2768 pointer size disagree, emit diagnostic and fix it up. If
2769 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2770 V8PLUS in 64-bit mode.
2771 * config/sparc/t-linux64: New file.
2772 * config/sparc/t-sol2-64: New file.
2773 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2774 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2775 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2776 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2777 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2778 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2780 (STARTFILE_SPEC): Set approriately based upon those.
2781 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2782 disposition of DEFAULT_ARCH32_P.
2783 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2784 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2785 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2786 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2787 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2789 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2791 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2793 * rtl.h (init_virtual_regs): New function.
2794 * emit-rtl.c (init_virtual_regs): Define.
2795 (insn_emit): Use it.
2796 * integrate.c (save_for_inline_copying): Likewise.
2798 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2800 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2801 (enum reg_class): Add NONARG_LO_REGS support.
2802 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2803 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2804 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2805 completes. Re-enable HImode REG+OFFSET addresses.
2806 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2808 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2810 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2812 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2813 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2814 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2816 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2818 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2819 jumps as a single entity, taking into account the size of the
2822 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2824 * tree.def (SWITCH_EXPR): New tree node definition.
2826 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2828 * version.c: Bump for snapshot.
2830 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2832 * version.c: Bump for snapshot.
2834 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2836 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2839 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2841 * Revert this patch.
2842 * reload.c (find_reloads): Do not replace a pseudo with
2843 (MEM (reg_equiv_addr)) in the initializing insn for the
2846 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2848 * final.c (final_scan_insn): Disable tracking CC across branches.
2850 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2852 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2853 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2854 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2855 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2856 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2858 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2860 * toplev.c (rest_of_compilation): Skip compiling anything with
2861 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2863 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2865 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2866 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2867 use in_libcall_block.
2868 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2869 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2872 Mon Sep 21 14:02:23 1998
2874 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2875 typo in no-fancy-math-387 description.
2877 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2879 * version.c: Bump for snapshot.
2881 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2883 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2885 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2887 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2888 documented in install.texi.
2889 (TARGET_OPTIONS) Likewise.
2891 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2893 * version.c: Bump for snapshot.
2895 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2897 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2898 * cccp.c (main): Likewise.
2900 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2901 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2904 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2906 * Makefile.in (LIBS): Link in libiberty.a.
2907 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2909 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2911 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2912 it to update bb boundaries. Update caller.
2913 * function.c (reposition_prologue_and_epilogue_notes): Update
2914 bb boundaries wrt the moved note.
2916 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2918 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2920 * configure: Regenerate.
2922 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2924 * alpha.c (alpha_sr_alias_set): New variable.
2925 (override_options): Set it.
2926 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2927 (mode_mask_operand): Fix signed-unsigned comparision warning.
2928 (alpha_expand_block_move): Likewise.
2929 (print_operand): Likewise.
2930 (get_aligned_mem): Use change_address.
2931 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2932 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2933 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2934 (alpha_align_insns): Remade from old alphaev5_align_insns
2935 to handle multiple processors.
2936 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2937 * output.h (label_to_alignment): Prototype.
2939 * tree.c (new_alias_set): New function.
2940 * tree.h (new_alias_set): Declare it.
2941 * c-common.c (c_get_alias_set): Use it.
2943 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2945 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2946 to an ABS expr, convert an unsigned input to signed.
2948 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2950 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2952 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2954 * configure.in: Add support for c4x targets.
2955 * configure: Rebuilt.
2957 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2959 * combine.c (distribute_notes): If an insn is a cc0 user, only
2960 delete it if we can also delete the cc0 setter.
2962 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2964 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2965 (invert_truthvalue): Enable truthvalue inversion for
2966 floating-point operands if -ffast-math.
2968 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2970 * configure.in: Disable collect2 for nextstep. Instead use
2972 * configure: Rebuilt.
2973 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2974 (ENDFILE_SPEC): Define.
2975 (OBJECT_FORMAT_MACHO): Define.
2976 (EH_FRAME_SECTION_ASM_OP): Define.
2977 * crtstuff.c: Handle MACHO.
2979 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2981 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2983 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2985 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2986 (_fpadd_parts): Get sign right for 0.
2988 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2990 * ginclude/varargs.h: Add support for C4x target.
2991 * ginclude/stdargs.h: Likewise.
2993 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2995 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2996 (alpha_emit_set_long_const): Rewrite to be callable from reload
2998 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2999 * alpha.md (movdi): Likewise.
3001 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3003 * arm.c (add_constant): New parameter address_only, change caller.
3004 Set it non-zero if taking the address of an item in the pool.
3005 (arm_reorg): Handle cases where we need the address of an item in
3008 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3010 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3011 memory addresses that are not in standard canonical form.
3013 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3015 * README.C4X: New file with information about the c4x ports.
3016 * ginclude/va-c4x.h: New file for c4x varargs support.
3017 * config/c4x: New directory with c4x port files.
3019 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3021 * reload.c (find_reloads): Do not replace a pseudo with
3022 (MEM (reg_equiv_addr)) in the initializing insn for the
3025 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3027 * toplev.c (rest_of_compilation): Set bct_p on second call to
3029 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3031 (strength_reduce): Only call analyze_loop_iterations and
3032 insert_bct if bct_p set.
3033 (check_dbra_loop): Fix typo.
3034 (insert_bct): Use word_mode instead of SImode.
3035 (instrument_loop_bct): Likewise. Do not delete iteration count
3036 condition code generation insn. Initialize iteration count before
3038 * rtl.h (loop_optimize): Update prototype.
3040 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3041 not doubleword aligned.
3043 * rs6000.c (optimization_options): New function.
3044 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3045 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3046 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3047 first; cr1 can be used for FP record condition insns.
3049 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3051 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3054 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3057 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3059 (block_move_call): New function: Call a library routine to copy a
3061 (m32r_expand_block_move): New function: Expand a "movstrsi"
3062 pattern into a sequence of insns.
3063 (m32r_output_block_move): New function: Expand a
3064 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3065 (m32r_block_immediate_operand): New function: Return true if the
3066 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3068 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3070 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3072 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3074 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3076 * regmove.c (copy_src_to_dest): Check that modes match.
3078 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3080 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3082 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3084 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3085 narrower than FLOAT_REGS.
3087 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3089 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3091 * Makefile.in (old_gxx_include_dir): removed
3093 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3095 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3098 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3099 (sh_handle_pragma): Change function arguments to match new
3100 specification for HANDLE_PRAGMA.
3102 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3104 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3106 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3107 When generating output, initialize missing struct member to zero.
3109 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3111 * regmove.c (copy_src_to_dest): Don't copy if that requires
3112 (a) new register(s).
3114 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3116 * global.c (reg_allocno): Now static.
3117 * reload1.c (reg_allocno): Delete declaration.
3118 (order_regs_for_reload): Take no arguments. Don't treat regs
3119 allocated by global differently than those allocated by local-alloc.
3121 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3123 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3124 condition, fix format strings.
3125 (output_function_epilogue): Likewise.
3127 * m68k/m68k.c: Don't include <stdlib.h> directly.
3129 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3131 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3132 mem_first_set, mem_last_set; because 0 can be a CUID.
3133 (oprs_unchanged_p): Use new definition.
3134 (record_last_reg_set_info): Likewise.
3135 (record_last_mem_set_info): Likewise.
3136 (compute_hash_table): Likewise.
3138 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3140 * rs6000.c (output_epilogue): Handle Chill.
3142 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3143 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3145 * combine.c (make_extraction): If no mode is specified for
3146 an operand of insv, extv, or extzv, default it to word_mode.
3147 (simplify_comparison): Similarly.
3148 * expmed.c (store_bit_field): Similarly.
3149 (extract_bit_field): Similarly.
3150 * function.c (fixup_var_regs_1): Similarly.
3151 * recog.c (validate_replace_rtx_1): Similarly.
3152 * mips.md (extv, extzv, insv expanders): Default modes for most
3153 operands. Handle TARGET_64BIT.
3154 (movdi_uld, movdi_usd): New patterns.
3156 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3157 equivalent memory location unless we have been provided a scratch
3158 register. Similarly do not call find_replacement unless a
3159 scratch register has been provided.
3161 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3163 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3166 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3168 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3169 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3170 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3171 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3172 * c-decl.c (init_decl_processing): Update accordingly.
3173 * expr.c (expand_builtin): Likewise.
3175 * rtl.h (global_rtl): Add cfa entry.
3176 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3177 (LAST_VIRTUAL_REGISTER): Update.
3178 * emit-rtl.c (global_rtl): Add cfa entry.
3179 (init_emit): Initialize it.
3180 * function.c (cfa_offset): New.
3181 (instantiate_virtual_regs): Initialize it.
3182 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3183 (expand_function_end): Call expand_eh_return.
3184 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3186 * except.c (current_function_eh_stub_label): Kill.
3187 (current_function_eh_old_stub_label): Likwise; update all references.
3188 (expand_builtin_set_return_addr_reg): Kill.
3189 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3190 (expand_builtin_set_eh_regs): Kill.
3191 (eh_regs): Produce a third reg for the actual handler address.
3192 (eh_return_context, eh_return_stack_adjust): New.
3193 (eh_return_handler, eh_return_stub_label): New.
3194 (init_eh_for_function): Initialize them.
3195 (expand_builtin_eh_return, expand_eh_return): New.
3196 * except.h: Update prototypes.
3197 * flow.c (find_basic_blocks_1): Update references to the stub label.
3198 * function.h (struct function): Kill stub label elements.
3200 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3201 register number is one that would be in the previous window.
3202 Provide a dummy definition for non-windowed targets.
3203 (get_reg_addr): New function.
3204 (get_reg, put_reg, copy_reg): Use it.
3205 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3206 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3208 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3209 (alpha_init_expanders): Initialize it.
3210 (alpha_expand_epilogue): Use it.
3211 * alpha.h: Declare it.
3212 * alpha.md (eh_epilogue): New.
3214 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3215 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3217 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3219 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3222 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3224 * except.h (struct eh_entry): Add false_label field.
3225 (end_catch_handler): Add prototype.
3226 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3227 (start_catch_handler): When using old style exceptions, issue
3228 runtime typematch code before continuing with the handler.
3229 (end_catch_handler): New function, generates label after handler
3230 if needed by older style exceptions.
3231 (expand_start_all_catch): No need to check for new style exceptions.
3232 (output_exception_table_entry): Only output the first handler label
3233 for old style exceptions.
3234 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3235 mechanism into one function, if a runtime matcher is provided.
3237 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3239 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3241 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3243 * integrate.c (copy_decl_list): Fix typo.
3245 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3247 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3250 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3252 * version.c: Bump for snapshot.
3254 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3256 * version.c: Bump for snapshot.
3258 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3260 * version.c: Bump for snapshot.
3262 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3264 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3266 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3268 * configure.in: remove usage of `!' to negate the result of a
3269 command; some common shells do not support it
3271 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3273 * configure.in: in sparc9-sol2 config, use 'if test' not
3275 * configure: Rebuilt.
3277 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3279 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3280 (CPP_CPU_DEFAULT_SPEC): Likewise.
3281 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3282 for arch64 libfuncs.
3284 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3287 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3289 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3291 * collect2.c: Don't declare `sys_siglist' here.
3292 (my_strsignal): Prototype and define new function. Use it in
3293 place of `sys_siglist' hacks.
3295 * mips_tfile.c: Likewise.
3297 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3298 (GCC_NEED_DECLARATIONS): Likewise.
3300 * system.h (strsignal): Prototype it, if necessary.
3301 (sys_siglist): Declare it, if necessary.
3303 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3305 * loop.c (move_movables): While removing insn sequences, preserve
3306 the next pointer of the most recently deleted insn when we skip
3309 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3311 * objc/config-lang.in: Do not output the name of the selected
3312 thread file when building the front-end. The Makefile for the
3313 runtime library will do this.
3315 * objc/Make-lang.in: Do not build the runtime library or install
3316 the Objective C header files. The Makefile for the runtime
3317 library will do this.
3319 * objc/Makefile.in (all.indirect): Only build the front-end.
3320 (compiler): Rename to `frontend'.
3321 (obj-runtime): Remove target.
3322 (copy-headers): Likewise.
3323 (clean): No need to remove `libobjc.a' any longer.
3325 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3327 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3328 supported with -mcpu=xxx.
3330 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3332 * flow.c (mark_set_1): Recognize multi-register structure return
3333 values in CALL insns.
3334 (mark_used_regs): Likewise.
3335 (count_reg_sets_1): Likewise.
3336 (count_reg_references): Likewise.
3337 * rtlanal.c (note_stores): Likewise.
3338 (reg_overlap_mentioned_p): Likewise.
3339 * haifa-sched.c (check_live_1): Likewise.
3340 (update_live_1): Likewise.
3341 (sched_analyze_1): Likewise.
3342 (sched_note_set): Likewise.
3343 (birthing_insn_p): Likewise.
3344 (attach_deaths): Likewise.
3346 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3349 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3351 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3353 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3355 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3357 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3359 * configure.in: Add check for GAS subsection -1 support.
3360 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3361 * configure config.in: Rebuilt.
3362 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3363 SImode is subsection -1 works, else use DImode.
3364 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3365 subsection -1 works.
3366 * config/sparc/sparc.c (sparc_output_addr_vec,
3367 sparc_output_addr_diff_vec): Use them if defined.
3369 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3371 * tree.h (DECL_ORIGIN): New macro.
3372 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3373 (copy_decl_list): Use it.
3374 (integrate_parm_decls): Likewise.
3375 (integrate_decl_tree): Likewise.
3376 * dwarf2out.c (decl_ultimate_origin): Simplify.
3377 * dwarfout.c (decl_ultimate_origin): Likewise.
3378 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3379 (pushdecl): Likewise.
3381 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3383 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3385 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3387 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3389 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3391 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3392 empty or has a single entry.
3394 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3395 before calling reg_to_stack.
3397 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3399 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3400 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3402 * c-tree.h (warn_long_long): Declare it.
3404 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3406 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3407 initialized float-int union if the value is a NaN.
3409 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3411 * c-lex.c (real_yylex): Don't warn about long long constants if
3412 we're allowing long long
3414 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3416 * except.h (current_function_eh_stub_label): Declare.
3417 (current_function_eh_old_stub_label): Declare.
3418 * function.h (struct function): New members eh_stub_label and
3420 * except.c (current_function_eh_stub_label): New variable.
3421 (current_function_eh_old_stub_label): New variable.
3422 (init_eh_for_function): Clear them.
3423 (save_eh_status): Save them.
3424 (restore_eh_status): Restore them.
3425 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3426 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3427 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3428 make an edge from the block that contains it to the block starting
3429 with the label if this label is one of the eh stub labels.
3430 If eh stub labels exist, show they are reachable from the last block
3433 * reload1.c (reload): Break out several subroutines and make some
3435 (calculate_needs_all_insns): New function, broken out of reload.
3436 (calculate_needs): Likewise.
3437 (find_reload_regs): Likewise.
3438 (find_group): Likewise.
3439 (find_tworeg_group): Likewise.
3440 (something_needs_reloads): New global variable, formerly in reload.
3441 (something_needs_elimination): Likewise.
3442 (caller_save_spill_class): Likewise.
3443 (caller_save_group_size): Likewise.
3444 (max_needs): Likewise.
3445 (group_size): Likewise.
3446 (max_groups): Likewise.
3447 (max_nongroups): Likewise.
3448 (group_mode): Likewise.
3449 (max_needs_insn): Likewise.
3450 (max_groups_insn): Likewise.
3451 (max_nongroups_insn): Likewise.
3452 (failure): Likewise.
3454 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3456 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3458 * loop.c (load_mems): Copy rtx for output mem.
3460 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3462 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3463 mips1 or mips2 either.
3465 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3467 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3469 (pa_adjust_insn_length): Update to work with new marking scheme
3470 for jumps inside switch tables.
3471 * pa.md (switch_jump): Remove pattern.
3472 (jump): Handle jumps inside jump tables.
3474 * Makefile.in (profile.o): Depend on insn-config.h
3476 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3478 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3480 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3482 Add preliminary native sparcv9 Solaris support.
3483 * configure.in: Recognize sparv9-*-solaris2*
3484 * configure: rebuilt
3485 * config.sub: Recognize sparcv9 just like sparc64.
3486 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3487 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3488 32-bit and 64-bit Solaris systems.
3489 * config/sparc/t-sol2: Assemble those with cpp.
3490 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3491 (*TF*_LIBCALL): If ARCH64 use V9 names.
3492 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3494 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3496 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3497 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3499 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3501 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3502 to Pmode if CASE_VECTOR_MODE is something else.
3504 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3506 * prefix.c (update_path): Correctly handle cases where PATH is
3507 a substring of the builtin prefix, but specifies a different
3510 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3512 * expr.c: Corrected comment about what MOVE_RATIO does.
3513 * config/alpha/alpha.h: Ditto.
3514 * config/1750a/1750a.h: Ditto.
3515 * config/clipper/clipper.h: Ditto.
3516 * config/i386/i386.h: Ditto.
3518 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3520 * configure.in (m68k-next-nextstep3*): Use collect2.
3521 Similarly for x86 NeXT configurations.
3522 * configure: Rebuilt.
3524 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3526 * configure.in: Don't assume srcdir is .../gcc
3527 * configure: Rebuilt.
3529 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3531 * global.c: Update comments.
3532 (global_alloc): Assign allocation-numbers
3533 even for registers allocated by local_alloc in case
3534 they are later spilled and retry_global_alloc is called.
3535 (mark_reg_store, mark_reg_clobber,
3536 mark_reg_conflicts, mark_reg_death): Always record a
3537 conflict with a pseudo register even if it has been
3538 assigned to a hard register.
3539 (dump_conflicts): Don't list pseudo registers already assigned to
3540 a hard register as needing to be allocated, but do list their
3542 * local-alloc.c: Update comment.
3544 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3546 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3547 * configure: Rebuilt.
3549 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3551 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3553 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3554 for all targets that set -msoft-float.
3556 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3558 * toplev.c (print_switch_values): Make static to match prototype.
3560 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3562 * configure.in: If we are unable to find the "gnatbind" program,
3563 then do not configure the ada subdir.
3564 * configure: Rebuilt.
3566 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3568 * version.c: Bump for snapshot.
3570 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3572 * version.c: Bump for snapshot.
3574 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3576 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3577 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3579 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3581 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3583 * genextract.c: Have insn-extract.c include toplev.h.
3585 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3587 * toplev.c: Include expr.h.
3588 (really_sorry, fancy_abort): Remove prototypes.
3589 (set_target_switch): Add argument in prototype.
3590 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3591 (v_really_sorry): Likewise.
3592 (print_version, print_single_switch, print_switch_values): Make
3593 static and add prototype arguments.
3594 (decl_printable_name): Add prototype arguments.
3595 (lang_expand_expr_t): New typedef.
3596 (lang_expand_expr): Declare as a lang_expand_expr_t.
3597 (incomplete_decl_finalize_hook): Add prototype argument.
3598 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3599 (botch): Likewise for variable `s'.
3600 (rest_of_type_compilation): Mark variables `type' and `toplev'
3601 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3602 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3603 (display_help): Make variable `i' an `unsigned long'.
3604 (main): Remove unused parameter `envp'.
3605 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3606 Cast -1 when comparing it with a `size_t'.
3608 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3609 prototype with ATTRIBUTE_NORETURN.
3610 (fatal_insn_not_found, fatal_insn, really_sorry,
3611 push_float_handler, pop_float_handler): Add prototypes.
3612 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3613 (do_abort, botch): Add prototypes.
3615 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3617 * final.c (final): If a label is reached only from a single jump,
3618 call NOTICE_UPDATE_CC on the jump and its predecessor before
3619 emitting the insn after the label.
3621 * i386.h: Add AMD K6 support.
3622 Change TARGET_* macros to use table lookup.
3623 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3624 (ADJUST_COST): Change definition to call function in i386.c.
3625 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3626 * i386.c: Add AMD K6 support.
3627 Add constants for feature tests used by TARGET_* macros.
3628 (split_di): If before reload, call gen_lowpart and gen_highpart.
3629 (x86_adjust_cost): New function.
3630 (put_jump_code): New function.
3631 (print_operand): New codes 'D' and 'd'.
3632 * i386.md: New insn types. New insn attribute "memory".
3633 Redefine scheduling parameters to use new types and add AMD K6
3634 support. Explicitly set type of most insns.
3635 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3636 Pro and K6 prefer movl $1,reg to incl reg.
3637 (adddi3, subdi3): Set cc_status.
3638 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3639 to int; x86 can't have more than 2^31 DImode shifts per file.
3640 (setcc): Combine all setcc patterns. Allow writing memory.
3641 Combine all jump patterns using match_operator.
3642 (*bzero): Name pattern. Emit mutliple stos instructions when that
3643 is faster than rep stos.
3644 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3647 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3649 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3652 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3654 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3655 not whatever we're generating now.
3657 * alpha.c (set_frame_related_p, FRP): New.
3658 (alpha_expand_prologue): Mark frame related insns.
3659 (alpha_expand_epilogue): Likewise, but with a null FRP.
3660 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3661 * alpha.md (exception_receiver): New.
3662 * alpha/crtbegin.asm (.eh_frame): New beginning.
3663 (__do_frame_setup, __do_frame_takedown): New.
3664 * alpha/crtend.asm (.eh_frame): New ending.
3665 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3666 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3667 (ASM_FILE_START): Don't emit .file for dwarf2.
3669 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3670 * rtl.c (reg_note_name): Likewise.
3671 * rtl.texi (REG_NOTES): Likewise.
3672 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3675 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3677 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3678 * i386.md (movsf, movdf, movxf): Validate memory address returned
3679 from force_const_mem. Kill useless REG_EQUAL setting code.
3681 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3683 * m68k.md (zero_extendsidi2): Fix typo.
3685 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3687 * configure.in: Removed references to the removed file
3688 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3689 * arm*-*-netbsd* and ns32k-*-netbsd*.
3690 * config/i386/xm-netbsd.h: Removed unnecessary file.
3691 * config/m68k/xm-netbsd.h: Likewise.
3692 * config/sparc/xm-netbsd.h: Likewise.
3693 * config/mips/xm-netbsd.h: Likewise.
3695 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3697 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3698 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3700 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3701 for exact section attributions.
3703 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3705 * i386/crtdll.h (CPP_PREDEFINES): Define.
3707 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3709 * m68k.md (5200 movqi): Do not allow byte sized memory references
3711 * m68k.c (output_move_qimode): Do not use byte sized operations on
3714 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3715 explicit rules for building. Similarly for alloca, vfprintf,
3716 choose-temp and mkstemp, getopt, getopt1, and obstack.
3717 (INCLUDES): Add $(srcdir)/../include.
3718 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3719 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3721 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3723 * gcc.c (do_spec_1): [case 'o'] Account for
3724 lang_specific_extra_outfiles.
3725 (main): Correctly clear all slots in outfiles for
3726 lang_specific_extra_outfiles. Set input_file_number before
3727 calling lang_specific_pre_link.
3729 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3731 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3733 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3735 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3737 (sparc_output_deferred_case_vectors): If no work to do, return.
3738 Fix thinko in Sept 1 change.
3740 1998-09-03 SL Baur <steve@altair.xemacs.org>
3742 * Makefile.in: add semicolon in BISON definition for portability.
3744 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3746 * config/nextstep.c (handle_pragma): Correct name of third
3749 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3751 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3752 * config/m32r/m32r.h: Make register 17 be fixed.
3753 * config/m32r/m32r.c: Use SImode for cc operations.
3755 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3757 * invoke.texi (Warning Options): Add -Wnon-template-friend
3760 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3762 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3764 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3766 * rs6000.md (movsf): Disable explicit secondary-reload-like
3767 functionality if TARGET_POWERPC64.
3768 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3771 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3773 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3774 and term.h from fixinc.wrap.
3776 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3778 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3779 safe to include both string.h and strings.h together.
3780 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3781 which headers to search for function declarations. Continue to
3782 prefer string.h over strings.h when both are not acceptable.
3784 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3786 * configure.in: Call GCC_HEADER_STRING.
3788 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3789 to include. Continue to prefer string.h over strings.h when both
3792 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3794 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3795 not assume top 32-bits of symbolic addresses are zero if
3798 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3800 * ginclude/va-alpha.h: Protect entire second portion of the
3801 file against double inclusion.
3803 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3805 Added support for the Boehm's garbage collector.
3806 * configure.in: Handle --enable-objc-gc.
3807 * configure: Rebuilt.
3808 * Makefile.in (CHECK_TARGETS): Add check-objc.
3809 (check-objc): New rule.
3810 * objc/Make-lang.in: Build a different Objective-C library that
3811 runs with the Boehm's collector.
3812 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3813 * objc/encoding.c: Correctly compute the size of compound types in
3814 the presence of bitfields. Skip the variable name of the type if
3815 any. Added support for long long.
3816 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3817 (_F_GCINVISIBLE): New mask.
3818 * objc/gc.c: New file. Compute the type memory mask associated with
3819 a class based on the runtime information.
3820 * objc/misc.c: Added the hooks that use the Boehm's collector
3821 allocation functions.
3822 * objc/objc-act.c (build_class_template): Generate a new class
3823 member (gc_object_type) to hold the class' type memory mask.
3824 (build_shared_structure_initializer): Initialize the new member to
3826 (encode_complete_bitfield): New function. Generate the new
3828 (encode_field_decl): Generate the new encoding only for the GNU
3830 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3832 (class_get_gc_object_type): New function to mark a pointer instance
3833 variable as a weak pointer.
3834 * objc/objc-features.texi: New file.
3835 * objc/objc.h (gc_object_type): New class member.
3836 * objc/objects.c (class_create_instance): Create a typed memory
3837 object when compiled with Boehm's collector support.
3838 * objc/sendmsg.c (__objc_init_install_dtable): Call
3839 __objc_send_initialize instead of setting the initialize flag.
3840 (__objc_send_initialize): Call __objc_generate_gc_type_description
3841 to generate the class type memory mask. Rewrite the code that
3842 sends the +initialize so that it is called only once (bug report
3843 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3844 * testsuite/objc: New testsuite for Objective-C type encoding.
3845 * testsuite/lib/objc-torture.exp: New file.
3846 * testsuite/lib/objc.exp: New file.
3848 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3850 * jump.c (jump_optimize): In if/then/else transformations, add
3851 another call to modified_between_p for the jump insn.
3853 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3855 * fix-header.c (symlink): Treat like readlink.
3857 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3859 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3862 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3864 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3865 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3866 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3868 * config/nextstep.c (handle_pragma): Take three arguments, as per
3869 the new HANDLE_PRAGMA macro specification.
3870 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3871 per the new HANDLE_PRAGMA macro specification.
3872 * config/i960/i960.c (process_pragma): Take three arguments, as
3873 per the new HANDLE_PRAGMA macro specification.
3875 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3877 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3878 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3879 if unknown pragmas are encountered.
3880 (handle_sysv_pragma): Interpret return code from
3881 handle_pragma_token (). Return success/failure indication rather
3882 than next unprocessed character.
3883 (pragma_getc): New function: retrieves characters from the
3884 input stream. Defined when HANDLE_PRAGMA is enabled.
3885 (pragma_ungetc): New function: replaces characters back into the
3886 input stream. Defined when HANDLE_PRAGMA is enabled.
3888 * c-pragma.c (handle_pragma_token): Return success/failure status
3891 * c-pragma.h: Change prototype of handle_pragma_token().
3893 * varasm.c: (handle_pragma_weak): Only create this function if
3894 HANDLE_PRAGMA_WEAK is defined.
3896 * c-common,c (decl_attributes): If defined call the expression
3897 contained within the INSERT_ATTRIBUTES macro before adding
3898 attributes to a decl.
3900 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3901 HANDLE_PRAGMA, which takes three arguments.
3902 (INSERT_ATTRIBUTES): Document this new macro.
3904 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3905 new INSERT_ATTRIBUTES macro.
3907 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3909 * config/sparc/sparc.md (movdf): Only generate special RTL for
3910 LABEL_REFs when PIC.
3911 (move_label_di): Remove
3912 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3913 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3914 references when PIC.
3915 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3916 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3917 output an .xword for all 64-bit cases.
3919 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3921 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3922 alignment, use FUNCTION_BOUNDARY instead.
3923 (sparc_output_deferred_case_vectors): Likewise.
3925 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3927 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3928 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3930 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3932 * alpha/va_list.h: New file.
3933 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3935 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3937 * NEWS: Add SCO Openserver and Unixware 7 notes.
3941 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3943 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3944 (record_constant_1): Handle RANGE_EXPR.
3946 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3948 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3949 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3950 and NOTE_INSN_RANGE_END specially.
3951 (reemit_notes): Likewise.
3953 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3955 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3956 (ultrasparc_sched_init): Remove unneeded &.
3958 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3960 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3961 for m68020-60, to prevent the use of fintrz.
3963 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3965 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3967 * Makefile.in: Likewise.
3968 * configure: Regenerated.
3970 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3972 * configure.in (gxx_include_dir): Changed to
3973 '${prefix}/include/g++'-${libstdcxx_interface}.
3974 * configure: Rebuilt.
3976 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3978 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3980 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3981 *sequences* *below* which scalar moves will be used.
3983 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3985 * collect2.c (mktemp): Delete unused declaration.
3987 * config/xm-netbsd.h: Remove unnecessary file.
3988 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3989 file anymore, it is not needed.
3991 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3993 * convert.c (convert_to_integer): Issue an error on conversions to
3996 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3998 * Makefile.in: Add lang_tree_files and gencheck.h.
3999 * configure.in: Generate them.
4000 * gencheck.c: Include gencheck.h.
4002 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4004 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4005 movdi_lo_sum_pic and movdi_high_pic and make visible.
4006 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4007 emit these when Pmode is not SImode.
4008 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4010 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4012 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4013 .linkonce directive after the first time.
4015 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4017 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4018 the clobbered operand overlaps with an input.
4019 (bne0_di): Similarly.
4021 * Makefile.in (INSTALL): Remove "--no-header" argument.
4023 * NEWS: Various updates.
4025 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4027 * config/sparc/sparc.c (arith_operand, const64_operand,
4028 const64_high_operand, arith_double_4096_operand): Mark mode as
4030 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4032 (sparc_emit_set_const64): Remove unused variable i.
4033 (sparc_splitdi_legitimate): Likewise for addr_part.
4034 (ultra_code_from_mask): Likewise for mask.
4035 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4036 reverse return values so it matches usage and comments.
4037 (ultra_flush_pipeline): Likewise.
4038 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4039 this_type, and allow loads and stores of differing FP modes as
4040 they do not create a conflict.
4041 (ultra_find_type): Initialize fpmode to SFmode, fix
4042 parenthesization thinkos in large conditional.
4043 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4044 Init free_slot_mask after ultra_cur_hist is reset, not before.
4045 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4046 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4047 use ultra_flush_pipeline instead, then re-init group pointer.
4048 Fix statement with no effect. If no progress made in, and no
4049 instructions scheduled at all, advance to new pipeline cycle else
4050 we get into an endless loop.
4051 (ultrasparc_adjust_cost): Remove previous arg.
4052 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4054 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4056 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4057 code. Use reg_overlap_mentioned_p to detect when source and
4058 destination overlap.
4059 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4061 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4063 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4064 COMPARISON_VAL, into invariant_p.
4066 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4068 * regmove.c (regclass_compatible_p): New function.
4069 (regmove_optimize): Use it.
4071 Use NREGS parameter insted of calling max_reg_num.
4073 (fixup_match_1): Don't use code = MINUS when later tieing with
4074 a hard register is likely.
4076 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4078 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4079 COMPARISON_VAL was normalized.
4081 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4083 * loop.c (check_dbra_loop): The loop ending comparison value
4084 must be an invariant or we can not reverse the loop.
4086 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4087 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4089 (load_mems_and_recount_loop_regs_set): Likewise.
4091 * i386.c (print_operand): Remove obsolete 'c' docs.
4093 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4095 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4096 * frame.c (init_object_mutex): New function.
4097 (init_object_mutex_once): Likewise.
4098 (find_fde): Call it.
4099 (__register_frame_info): Likewise.
4100 (__register_frame_info_table): Likewise.
4101 (__deregister_frame_info): Likewise.
4103 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4105 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4107 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4109 * loop.c (check_dbra_loop): Enable code for reversal
4110 of some loops without a known constant loop end.
4112 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4114 * haifa-sched.c (last_clock_var): New.
4115 (schedule_block): Initialize it.
4116 (schedule_insn): Use it to fill insn modes with issue information.
4118 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4119 Tag trapb and next insn with TImode.
4120 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4121 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4122 Invoke alphaev5_align_insns as appropriate.
4123 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4124 (MD_SCHED_VARIABLE_ISSUE): New.
4125 * alpha.md (attr type): Add multi.
4126 (define_asm_attributes): New.
4127 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4128 (arg_home): Likewise.
4129 (fnop, unop, realign): New.
4131 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4133 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4134 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4136 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4137 (rs6000-ibm-aix4.[12]*): Likewise.
4138 * configure: Regnerate.
4140 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4142 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4143 already contains the return address.
4145 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4147 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4148 word sized hunks when loading unaligned args into registers.
4150 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4151 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4153 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4155 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4157 * loop.c (check_dbra_loop): Add some code that would allow reversal
4158 of some loops without a known constant loop end if it were enabled.
4160 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4162 * mips.md (lshrsi3_internal2+2): Fix type-o.
4164 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4166 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4167 correctly with regards to stdio.h.
4169 * calls.c: Remove stdarg.h/varargs.h.
4172 * combine.c: Likewise.
4173 * cpperror.c: Likewise.
4174 * cpplib.c: Likewise.
4175 * cpplib.h: Likewise.
4176 * doprint.c: Likewise.
4177 * emit-rtl.c: Likewise.
4178 * final.c: Likewise.
4179 * fix-header.c: Likewise.
4181 * genattr.c: Likewise.
4182 * genattrtab.c: Likewise.
4183 * gencodes.c: Likewise.
4184 * genconfig.c: Likewise.
4185 * genemit.c: Likewise.
4186 * genextract.c: Likewise.
4187 * genflags.c: Likewise.
4188 * genopinit.c: Likewise.
4189 * genoutput.c: Likewise.
4190 * genpeep.c: Likewise.
4191 * genrecog.c: Likewise.
4192 * mips-tfile.c: Likewise.
4193 * prefix.c: Likewise.
4194 * protoize.c: Likewise.
4195 * regmove.c: Likewise.
4196 * toplev.c: Likewise.
4199 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4201 * config/sparc/sparc.c (sparc_override_options): If not
4202 TARGET_FPU, turn off TARGET_VIS.
4203 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4204 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4205 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4206 (movdi_insn_sp64): Add VIS fzero alternative.
4207 (clear_sf, clear_df): New VIS patterns.
4208 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4210 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4212 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4214 * loop.c (n_times_set, n_times_used, may_not_optimize,
4215 reg_single_usage): Convert to varrays. All uses changed.
4216 (insert_loop_mem): Return a value.
4217 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4218 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4221 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4224 * configure.in: Do not set thread_file to "irix" since no such
4227 * sparc.md (float abs/neg splits): Check reload_completed before
4228 calling alter_subreg.
4230 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4232 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4234 * config/sparc/sparc.h: Declare it.
4235 * config/sparc/sparc.md (float abs/neg splits): Use it.
4236 (all other splits): Handle SUBREGs properly where necessary.
4237 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4239 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4241 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4242 an insn on the unfilled_slots_list that has no delay slots.
4243 (fill_eager_delay_slots): Similarly.
4245 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4247 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4248 as an ordinary operand.
4250 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4252 * tree.c (valid_machine_attribute): Don't apply attributes to both
4255 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4257 * reload.c (operands_match_p): Handle rtvecs.
4259 * i386.c (legitimate_pic_address_disp_p): New.
4260 (legitimate_address_p): Use it.
4261 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4262 Handle constant pool symbols just like statics.
4263 (emit_pic_move): Use Pmode not SImode for clarity.
4264 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4265 [UNSPEC]: New, handling what we killed above.
4266 [PLUS]: Detect and abort on invalid symbol arithmetic.
4267 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4269 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4271 * alias.c: Include output.h.
4272 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4273 different if we're in a varargs function.
4274 * Makefile.in (alias.o): Depend on output.h
4276 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4278 * sh.h (GIV_SORT_CRITERION): Delete.
4280 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4282 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4283 * stupid.c (stupid_life_analysis): Ditto.
4284 * reload1.c (reload): Ditto.
4286 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4288 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4289 arith_double_4096_operand, arith_double_add_operand): New
4291 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4292 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4293 them to transform add/sub 4096 into add/sub -4096.
4295 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4297 * loop.c (scan_loop): Allocate some slop to handle pseudos
4298 generated by move_movables.
4299 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4302 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4304 * tree.def (DECL_RESULT): Correct documentation.
4306 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4308 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4309 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4310 conflicts will all RELOAD_FOR_OUTPUT reloads.
4312 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4313 loads the function result, substitute with a USE.
4315 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4317 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4318 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4319 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4320 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4321 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4322 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4324 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4325 'o' to 'm' for GPR variant constraints.
4327 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4329 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4331 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4333 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4334 when the source and destination overlap.
4336 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4337 clash with global type.
4339 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4341 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4343 * c-common.c (combine_strings): Also set TREE_READONLY.
4344 Change warn_write_strings to flag_const_strings.
4345 * c-decl.c, c-tree.h: Likewise.
4347 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4349 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4350 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4351 sequence, use SET/IOR instead so CSE can see it.
4352 * config/sparc/sparc.md (movhi_const64_special,
4353 movsi_const64_special): New patterns necessitated by that change.
4354 (movhi_high): Remove.
4355 (movhi_lo_sum): Change to match an IOR.
4356 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4357 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4358 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4359 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4360 registers are involved.
4361 (snesi_zero_extend split): Remove reload_completed test.
4362 (unnamed plus and minus zero_extend sidi splits): Add it.
4364 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4366 * extend.texi: Remove description of extension to explicit
4367 instantiation that is now endorsed by standard C++.
4369 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4371 * config/arc/arc.c (arc_initialize_pic): Remove.
4372 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4373 nothing on any platform and is invoked by no-one, it does not even
4374 appear in the documentation.
4375 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4376 * config/sparc/sparc.c (initialize_pic): Likewise.
4377 (find_addr_reg): Remove this as well, no longer referenced after
4380 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4382 * recog.c (validate_replace_rtx_group): New function.
4383 * recog.h (validate_replace_rtx_group): Declare it.
4384 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4385 the entire group of substitutions.
4387 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4389 * loop.c (load_mems): Fix initializers.
4391 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4393 * config/sparc/sparc.md (TFmode splits): Handle destination
4394 registers being referenced in the address correctly.
4396 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4397 TREE_UNSIGNED, when bitsize of type's mode is larger than
4398 HOST_BITS_PER_WIDE_INT.
4400 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4402 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4403 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4404 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4406 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4409 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4411 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4412 * h8300.h (TINY_DATA_NAME_P): Likewise.
4413 (STRIP_NAME_ENCODING): Handle '&'.
4415 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4416 register (it could be accessed via an outer SUBREG).
4417 (REG_OK_FOR_BASE_P): Likewwise.
4418 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4420 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4423 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4425 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4427 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4428 must be offsettable so the splits can be made.
4430 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4432 * config/i386/winnt.c: Include system.h, not stdio.h to get
4433 sys/param.h pulled in before rtl.h in case the system defines MIN
4436 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4438 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4440 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4442 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4444 * cpplib.c (cpp_define): Handle macros with parameters.
4446 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4448 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4449 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4450 and DImode 64-bit. Use llong for minimal-toc SFmode and
4451 SYMBOL_REF / LABEL_REF 64-bit.
4452 (output_function_profiler): Use llong for profiler label and ld to
4453 load 64-bit label address.
4455 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4457 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4460 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4462 * version.c: Bump for snapshot.
4464 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4466 * version.c: Bump for snapshot.
4468 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4470 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4472 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4474 * tm.texi (Misc): Fix typo "teh".
4476 * tm.texi (PIC): Fix typo "PPIC".
4478 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4479 effect when -O2 and higher.
4480 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4482 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4484 * regclass.c: Changed register set documentation to be consistent
4487 * final.c (final_start_function) Removed redundant test for
4490 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4492 * rtl.h (rtx_function): New type.
4493 (for_each_rtx): New function.
4494 * rtlanal.c (for_each_rtx): Define it.
4496 * recog.c (change_t): New type.
4497 (change_objects, change_old_codes, change_locs, change_olds):
4499 (changes): New variable.
4500 (validate_change): Dynamically allocate room for more changes, if
4501 necessary. Uses changes array instead of change_objects, etc.
4502 (apply_change_group): Use changes array instead of
4503 change_objects, etc.
4505 * loop.c (loop_mem_info): New type.
4506 (loop_mems): New variable.
4507 (loop_mems_idx): Likewise.
4508 (looop_mems_allocated): Likewise.
4509 (scan_loop): Remove nregs parameter.
4510 (next_insn_in_loop): New function.
4511 (load_mems_and_recount_loop_regs_set): Likewise.
4512 (load_mems): Likewise.
4513 (insert_loop_mem): Likewise.
4514 (replace_loop_mem): Likewise.
4515 (replace_label): Likewise.
4516 (INSN_IN_RANGE_P): New macro.
4517 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4518 (scan_loop): Remove nregs parameter, compute it after any new
4519 registers are created by load_mems. Use INSN_IN_RANGE_P and
4520 next_insn_in_loop rather than expanding them inline. Call
4521 load_mems to load memory into pseudos, if appropriate.
4522 (prescan_loop): Figure out whether or not there are jumps from the
4523 loop to targets other than the label immediately following the
4524 loop. Call insert_loop_mem to notice all the MEMs used in the
4525 loop, if it could be safe to pull MEMs into REGs for the duration
4527 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4529 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4531 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4533 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4535 * config/sparc/sparc.c (finalize_pic): Check for the correct
4536 nonlocal_goto_receiver UNSPEC number.
4537 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4538 making note of this dependency existing in sparc.c
4539 (negtf2_notv9 split): Give NEG SFmode.
4540 (negsf2): Fix insn output string.
4542 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4544 * c-common.c (decl_attributes): Issue an error if the argument
4545 to alias is not a string.
4547 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4549 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4550 pending memory flush list.
4552 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4554 (try_combine): Allow combining insns with REG_LIBCALL notes.
4556 * expr.c (emit_block_move): Do not call memcpy as a libcall
4557 instead build up a CALL_EXPR and call it like any other
4559 (clear_storage): Similarly for memset.
4561 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4564 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4567 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4568 and REG_LIVE_LENGTH as successful substitutions are made.
4570 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4572 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4573 statement after end of loop label.
4575 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4577 * config/sparc/sparc.c (ultra_types_avail): New variable.
4578 (ultra_build_types_avail): New function to record mask of insn
4579 types in ready list at this cycle.
4580 (ultrasparc_sched_reorder): Call it.
4581 (ultra_find_type): Use it to quicken the search. Also simplif
4582 dependency check, don't use rtx_equal_p because we know exactly
4583 what we are looking for.
4585 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4587 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4588 for architecture v4.
4590 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4592 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4594 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4595 movdf_const_intreg and helper splits): New patterns to move float
4596 constants into integer registers.
4597 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4600 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4603 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4605 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4607 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4608 a BASE_REGS register is needed as an intermediate when copying
4609 a symbolic value into any register class other than BASE_REGS.
4611 * expr.c (move_by_pieces): No longer static. Remove prototype.
4612 * rtl.h (move_by_pieces): Add extern prototype.
4613 * mips.c (expand_block_move): Handle aligned straight line copy by
4614 calling move_by_pieces.
4616 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4619 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4621 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4622 jumps out of the loop to be treated as part of the exit test.
4624 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4625 Jeff Law <law@cygnus.com>
4627 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4628 * cplus-dem.c: Delete.
4630 * Makefile.in (fold-const.o): depend on $(RTL_H).
4632 * fold-const.c: Include rtl.h to get the prototype for
4633 `set_identifier_local_value'.
4635 * loop.c (express_from_1): Remove unused variable `tmp'.
4636 (combine_givs): cast the first argument of bzero to char *.
4638 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4640 * c-decl.c (init_decl_processing): Remove unneeded &.
4642 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4644 * except.c (set_exception_lang_code, set_exception_version_code):
4645 Change parameter from `short' to `int' to avoid using a gcc
4648 * except.h (set_exception_lang_code, set_exception_version_code):
4649 Likewise for prototypes.
4651 * flow.c (count_reg_references): Remove unused variables `regno'
4654 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4656 * prefix.c (translate_name): Cast the result of `alloca'.
4658 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4660 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4662 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4664 (valid_dbcc_comparison_p): Mark mode argument as unused.
4665 (symbolic_operand): Likewise.
4666 (legitimize_pic_address): Likewise.
4667 (const_uint32_operand): Likewise.
4668 (const_sint32_operand): Likewise.
4669 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4670 schedule_insns and comment out rest of file.
4672 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4674 (output_move_[hq]imode): Likewise.
4676 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4678 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4679 * invoke.texi: Corresponding changes.
4681 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4683 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4685 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4687 * config/sparc/sparc.c (ultra_code_from_mask,
4688 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4689 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4690 ultrasparc_sched_init, ultrasparc_variable_issue,
4691 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4692 functions to describe UltraSPARC pipeline exactly to Haifa.
4693 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4694 as there is nothing the scheduler can do about it. Indicate that
4695 REG_DEP_OUTPUT's collide. Fixup formatting.
4696 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4697 divide costs on Ultra for DImode.
4698 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4700 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4701 ieuN and add call_no_delay_slot to type list.
4702 (cti function unit): New unit for branches on UltraSPARC.
4703 (subx/addx insns): Set type to misc.
4704 (sidi zero/sign extension insns on arch64): Set type to shift.
4705 (sign_extendhidi2_insn): Set type to sload.
4707 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4709 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4710 (output_epilog): Use if != 0 for offset.
4711 (rs6000_fatal_bad_address): Prepare for Intl.
4712 * rs6000.h (rs6000_fatal_bad_address): Declare.
4713 * rs6000.md (movsfcc, movdfcc): Use else if.
4714 (elf_high): Use {liu|lis}.
4715 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4716 (movsi): Use rs6000_fatal_bad_address.
4718 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4720 * reload.c (find_equiv_reg): Reject equivalences separated
4721 by a volatile instruction.
4723 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4725 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4727 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4729 * alpha.md (movsicc): Fix mode mismatch.
4731 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4733 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4735 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4737 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4739 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4740 write-only modifier from operand 1 constraint.
4742 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4744 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4745 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4747 (sparc_emit_set_const64): Likewise, also when computing trailing
4748 bits do not negate low_bits and make fast_int an int.
4750 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4752 * loop.c (add_label_notes): Do not ignore references to labels
4753 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4754 * gcse.c (add_label_notes): Similarly.
4756 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4758 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4759 (adddi_dishl32): Similarly.
4761 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4763 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4764 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4765 * cse.c (cse_basic_block): Add parens to shut up warnings.
4767 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4769 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4770 sparc_emit_set_const64_longway, const64_is_2insns,
4771 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4772 in 64-bit constant formation.
4773 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4774 rtl for addx not subx.
4775 (define_insn movdi_const64_special): Make available even when
4776 HOST_BITS_PER_WIDE_INT is not 64.
4777 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4778 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4779 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4780 instances of operand 1 inside a QI subreg.
4781 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4782 (one_cmpldi2_sp64): Fix output string.
4783 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4785 (unnamed arch64 ashift DI): Truncate shift count if greater than
4788 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4790 * expr.c (store_expr): Don't optimize away load-store pair
4791 when either source or destination have a side effect.
4793 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4795 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4796 operands of SET are incompatible.
4798 * alpha.md: Fix max and min patterns so modes of SET operands match.
4800 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4802 * configure.in: Avoid [[ by using test and changequote.
4803 * configure: Rebuild.
4805 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4807 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4809 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4810 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4811 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4812 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4813 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4814 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4815 Fix mismatching modes in SET operands.
4816 (conditional move patterns): Fix formatting.
4817 (unnamed subx arch64 pattern): Remove duplicate insn.
4819 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4821 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4822 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4823 (input_operand): Fixup test for what we accept for constant
4825 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4827 (safe_constDI): Remove.
4828 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4829 gen_safe_XOR64): New functions.
4830 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4831 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4833 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4834 available when HOST_BITS_PER_WIDE_INT is not 64.
4835 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4836 move before movdi_insn_sp64 pattern.
4837 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4838 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4839 symbolic_operand as predicate for second operand.
4840 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4841 expander): Give set VOIDmode.
4843 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4845 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4847 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4849 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4851 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4853 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4855 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4857 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4859 * install.texi: Various SCO OpenServer tweaks.
4861 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4863 * reload1.c (eliminate_regs_in_insn): Handle another case when
4864 eliminating the frame pointer to the hard frame pointer. Add
4865 missing ep->to_rtx check to one existing case.
4867 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4869 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4871 * tree.h: De-conditionalize init_priority code.
4873 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4874 * collect2.c (NM_FLAGS): Change from -p to -n.
4876 * configure.in: Turn on collect2 for mipstx39-elf.
4877 Handle use_collect2=no properly.
4879 * c-common.c: De-conditionalize init_priority code.
4880 * collect2.c (extract_init_priority, sort_ids): New fns.
4881 (main): Call sort_ids.
4882 Move sequence_number to file scope.
4884 * configure.in: Handle --enable-init-priority.
4885 * c-common.c (attrs): Add A_INIT_PRIORITY.
4886 (init_attributes, decl_attributes): Likewise.
4887 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4888 * tree.c (get_file_function_name_long): Split out...
4889 (get_file_function_name): ...from here.
4891 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4893 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4896 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4898 * toplev.c (display_help): Add braces to shut up warnings.
4899 * tree.c (simple_cst_equal): Likewise.
4901 * fold-const.c (non_lvalue): Don't deal with null pointer
4903 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4905 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4906 of any size to a pointer.
4908 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4910 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4912 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4914 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4915 which will be saved.
4916 * mn10300.md (prologue insn): Only save registers which need saving.
4917 (epilogue insn): Similarly.
4919 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4922 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4924 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4925 VAR_DECL's in gp addressable sections.
4927 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4929 * sparc.c: Change return <exp> to <exp>; return; in functions
4931 * sparc.md: Add empty semicolon statement after final label in
4934 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4936 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4937 addx_extend_sp64, only allow when TARGET_ARCH64.
4938 (define_insn addx_extend_sp32 and split): Version that works when
4940 (define_insn subx_extend): Likewise.
4941 (define_split adddi3 and subdi3 with zero extension): Fixup and
4942 correct bugs when not TARGET_ARCH64.
4944 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4946 * except.c (set_exception_lang_code, set_exception_version_code):
4947 Use prototype-style definition if __STDC__, to match declaration
4950 * genemit.c: Change FAIL and DONE macros not to use loops.
4952 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4954 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4955 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4957 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4959 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4961 * README.g77: Update from Craig.
4963 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4965 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4967 (safe_constDI sparc_emit_set_const64_quick1,
4968 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4969 analyze_64bit_constant, const64_is_2insns,
4970 create_simple_focus_bits): Fix some bugs when compiled on real
4972 (function_arg_record_value_3, function_arg_record_value_2,
4973 function_arg_record_value): Add fully prototyped forward decls.
4974 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4975 to cmpsi_insn and use on both 64 and 32 bit targets.
4976 (define_insn cmpsi_insn_sp64): Remove.
4977 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4978 (define_insn zero_extendsidi2_insn): Rename to
4979 zero_extendsidi2_insn_sp64.
4980 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4981 assosciated forced split for it.
4983 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4985 * config/sparc/sparc.h: Declare them.
4986 (PREDICATE_CODES): Add them.
4987 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4988 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4990 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4992 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4993 in v9 case as the latter makes the Solaris assembler crash.
4995 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4997 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4998 for TFmode when !v9. We require offsettable memory addresses.
4999 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5000 DFmode register number conversions.
5001 * config/sparc/sparc.md (define_split DFmode moves): If register
5002 is a SUBREG do alter_subreg on it before using.
5003 (define_expand movtf): Fixup comment about alignment on v9.
5004 (define_split TFmode moves): Don't use gen_{high,low}part, create
5005 explicit SUBREGs instead.
5007 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5009 * Makefile.in (mbchar.o): Depend on mbchar.c.
5011 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5012 Richard Henderson <rth@cygnus.com>
5014 Rewrite Sparc backend for better code generation and
5015 improved sparc64 support.
5016 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5018 * config/sparc/sysv4.h: Likewise.
5019 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5020 move_operand, v8plus_regcmp_op, emit_move_sequence,
5021 singlemove_string, doublemove_string, mem_aligned_8,
5022 output_move_double, output_move_quad, output_fp_move_double,
5023 move_quad_direction, output_fp_move_quad, output_scc_insn):
5025 (small_int_or_double): New predicate.
5026 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5027 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5028 old pic_{sethi,lo_sum}_si patterns.
5029 (mem_min_alignment): New generic function to replace
5030 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5031 available and can test for arbitrary alignments. All callers
5033 (save_regs, restore_regs, build_big_number,
5034 output_function_prologue, output_cbranch, output_return,
5035 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5036 sparc_flat_output_function_epilogue): Prettify
5038 (output_function_epilogue): Likewise and add code to output
5039 deferred case vectors.
5040 (output_v9branch): Likewise, add new arg INSN and use it to tack
5041 on branch prediction settings. All callers changed.
5042 (print_operand): Likewise and output %l44 for LO_SUMs when
5044 (sparc_splitdi_legitimate): New function to make sure DImode
5045 splits can be run properly when !arch64.
5046 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5047 Reformat example code in comments.
5048 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5049 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5050 of deferred case vectors we need to output.
5051 (sparc_defer_case_vector): Record a case vector.
5052 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5053 sparc_output_deferred_case_vectors): New functions to output them.
5054 (sparc_emit_set_const32): New function to form 32-bit constants in
5055 registers when that requires more than one instruction.
5056 (safe_constDI, sparc_emit_set_const64_quick1,
5057 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5058 analyze_64bit_constant, const64_is_2insns,
5059 create_simple_focus_bits, sparc_emit_set_const64): New functions
5060 which do the same for 64-bit constants when arch64.
5061 (sparc_emit_set_symbolic_const64): New function to emit address
5062 loading for all code models on v9.
5063 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5064 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5065 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5066 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5067 inaccuracies in comments, add symbolic and text_segment operands
5068 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5069 GENERAL_REGS in these cases as a temp REG is needed to load these
5070 addresses into a register properly.
5071 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5073 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5074 quads are guarenteed to have 16-byte alignment.
5075 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5076 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5077 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5078 deferred case vector implementation.
5079 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5080 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5081 Generate "internal label - label" instead of "label - 1b".
5082 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5083 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5084 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5086 (doublemove_string, output_block_move, output_fp_move_double,
5087 output_fp_move_quad, output_move_double, output_move_quad,
5088 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5089 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5090 (sparc_emit_set_const32, sparc_emit_set_const64,
5091 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5092 mem_min_alignment, small_int_or_double): Add externs.
5093 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5094 UNSPEC_VOLATILE in this backend.
5095 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5096 unary to types which execute in it.
5097 (define_function_unit ieu_shift): Rename to ieu0.
5098 (define_function_unit ieu1): New, executes compare, call, and
5099 uncond_branch type insns.
5100 (define_function_units for type fdivs, fdivd, fsqrt): These
5101 execute in the fpu multiply unit not the adder on UltraSparc.
5102 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5103 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5104 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5105 allows the arith_double_operand predicate and rHI constraint when
5107 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5108 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5109 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5110 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5111 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5112 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5113 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5114 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5115 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5116 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5117 sign_extendqihi2_insn, sign_extendqisi2_insn,
5118 sign_extendqidi2_insn, sign_extendhidi2_insn,
5119 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5120 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5121 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5122 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5123 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5124 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5125 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5126 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5127 smulsi3_highpart_v8plus, unnamed subreg mult,
5128 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5129 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5130 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5131 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5132 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5133 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5134 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5135 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5136 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5137 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5138 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5139 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5140 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5141 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5142 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5143 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5144 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5145 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5146 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5147 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5148 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5149 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5150 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5151 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5152 call_address_untyped_struct_value_sp32,
5153 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5154 call_value_symbolic_sp32, call_value_address_sp64,
5155 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5156 flush_register_windows, goto_handler_and_restore,
5157 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5158 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5159 return_addsi, return_di, return_adddi, return_sf, all call+jump
5160 peepholes, trap, unnamed trap insns): Prettify output strings.
5161 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5162 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5163 Likewise and force + implement splits for integer cases.
5164 (define_insn return_sf_no_fpu): Likewise and allow to match when
5165 no-fpu because of our subreg SFmode splits.
5166 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5167 zero_extendqidi2_insn, zero_extendhidi2_insn,
5168 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5169 input_operand for second operand.
5170 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5171 reg_or_0_operand for operand 2 so new splits can use it.
5172 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5173 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5175 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5176 CONST_DOUBLEs for operand 2.
5177 (define_insn move_label_di): Likewise and label distance
5178 optimization because it no longer works with new deferred case
5179 vector scheme. To be revisited.
5180 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5181 and allow reg_or_0_operand and J constraint for second operand.
5182 (define_insn jump): Set branch predict taken on V9.
5183 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5184 new deferred case vector scheme.
5185 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5186 (define_insn negdi2_sp32): Force + implement splits.
5187 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5188 one_cmplsi2_not_liveg0 respectively, and create expander of original
5189 names which emit special rtl for TARGET_LIVE_G0.
5190 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5191 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5192 gen_compare_reg, FAIL instead.
5193 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5194 values when trying to reverse condition codes, if they FAIL then
5196 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5197 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5198 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5199 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5200 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5201 set output string to # to indicate they are mandatory splits.
5202 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5203 pic_sethi_di, move_pic_label_si): Remove.
5204 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5205 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5207 (define_expand movsi_pic_label_ref, define_insn
5208 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5209 expander and insns to handle PIC label references and deferred
5211 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5213 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5214 Rewrite to not use emit_move_sequence, make use of new constant
5215 formation code, and new splits for all multi-insn cases.
5216 (define_insn movqi_insn): Remove sethi case, it can never happen.
5217 Use reg_or_zero_operand instead of const0_rtx explicit test,
5218 use input_operand instead of move_operand for source, and use
5219 general_operand now for dest.
5220 (define_insn movhi_insn): Similar but leave sethi case.
5221 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5222 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5223 movhi_lo_sum respectively, prettify output string.
5224 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5225 register when needed on TARGET_LIVE_G0.
5226 (define_insn movsi_insn): Use general_operand and input_operand
5227 for dest and src respectively. Simplify applicability test.
5228 Prettify output strings, and add clr alternative for J
5230 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5231 deprecated std and reg-reg DI moves): Remove and...
5232 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5233 implementation which uses forced splits for all non-single insn
5235 (define_split DI move cases on !arch64): New splits to handle all
5236 situations of 64-bit double register DImode on 32bit, and
5237 unaligned registers and memory addresses for all subtargets.
5238 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5240 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5241 input_operand for dest and src respectively, prettify output
5243 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5244 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5246 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5247 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5248 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5249 movtf_no_e_insn_sp64) Replace with new
5250 implementation which uses forced splits for all non-single insn
5252 (define_split DF move cases): New splits in similar vein to DI
5254 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5255 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5256 movdi_sp64_insn): Remove old v9 code model and constant loading
5258 (define_insn pic_lo_sum_di, pic_sethi_di,
5259 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5260 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5261 embmedany_sethi, embmedany_losum, embmedany_brsum,
5262 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5263 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5264 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5265 scheme, using unspecs, secondary reloads, and one to one sparc
5266 insn to rtl insn mapping for better scheduling and code gen.
5267 (define_expand reload_indi, reload_outdi): Reload helpers for
5268 MEDANY and EMBMEDANY symbol address loading cases which require a
5270 (define_expand movsicc): Remove v8plus_regcmp cases.
5271 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5272 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5273 cmp_diqi_trunc_set): New patterns used by some of the new scc
5275 (define_insn xordi3_sp64_dbl): New pattern used for constant
5276 formation when crossing from 32-bit targets.
5277 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5279 (define_insn addx, subx): Make visible and prettify.
5280 (define_insn adddi3_insn_sp32): Likewise and force split.
5281 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5282 64bit scc split usage.
5283 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5284 zero_extend, subdi3): Force and implement splits.
5286 * final.c (final_scan_insn): Don't output labels if target
5287 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5290 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5291 don't forget to walk inside SEQUENCESs too as these are what the
5292 delay slot scheduler will create.
5294 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5296 * alpha.md (extxl+1,+2): New patterns to work around
5299 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5301 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5302 caused bad assembly code to be generated.
5304 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5306 * netbsd.h: Fix typo.
5308 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5310 * config.sub: Fix typo.
5312 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5314 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5316 (Running Protoize): Typo: Change "ther" into "other".
5318 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5320 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5321 * m68k/netbsd.h: Likewise.
5322 * ns32k/netbsd.h: Likewise.
5323 * sparc/netbsd.h: Likewise.
5325 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5327 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5328 * ginclude/va-clipper.h (va_list): Likewise.
5330 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5332 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5333 load/store multiple instructions unless user overrides.
5335 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5337 * ns32k/netbsd.h: Fix typo.
5339 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5341 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5342 labels with .debugsym if no parallel insns.
5344 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5346 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5347 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5349 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5351 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5352 (AR_FOR_TARGET): Define.
5354 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5356 * dyn-string.h: New file.
5357 * dyn-string.c: Likewise.
5358 * Makefile.in (OBJS): Add dyn-string.o.
5359 (dwarf2out.o): Add dyn-string.h dependency.
5360 (dyn-string.o): List dependencies.
5361 * dwarf2out.c: Include dyn-string.h.
5362 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5363 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5364 prototype. Use dyn_string_append rather than strcat, throughout.
5365 (addr_to_string): Use dyn_string_t.
5367 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5369 Function entry/exit profiling instrumentation:
5370 * expr.h (profile_function_entry_libfunc,
5371 profile_function_exit_libfunc): Declare new variables.
5372 * optabs.c: Define them here.
5373 (init_optabs): Initialize them.
5374 * tree.h (struct tree_decl): New flag
5375 no_instrument_function_entry_exit.
5376 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5377 * c-decl.c (duplicate_decls): Merge it.
5378 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5379 (init_attributes): Use it for "no_instrument_function".
5380 (decl_attributes): Handle it, for functions that have not yet been
5381 compiled. Set decl flag.
5382 * flags.h (flag_instrument_function_entry_exit): Declare new
5384 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5385 (f_options): New option "instrument-functions".
5386 * function.h (struct function): New field instrument_entry_exit.
5387 * function.c (current_function_instrument_entry_exit): New
5389 (push_function_context_to, pop_function_context_from): Save and
5391 (expand_function_start): Set current_ variable, maybe emit return
5392 label and entry profile call.
5393 (expand_function_end): Maybe emit exit profile call.
5395 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5397 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5398 NON_QI_REG_P, pretend the register is SImode.
5400 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5402 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5403 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5404 manufacturer id for ns32k.
5405 * configure: Regenerated.
5406 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5407 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5408 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5409 * config/m68k/netbsd.h: Same.
5410 * config/ns32k/netbsd.h: Same.
5411 * config/sparc/netbsd.h: Same.
5413 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5415 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5416 or UNROLL_COMPLETELY loop that starts with a jump to its
5419 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5421 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5422 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5423 (print_operand, case 'B'): Don't fall through.
5424 (print_operand, case 'S'): Correct mask begin/end computation.
5425 Use HOST_BITS_PER_WIDE_INT.
5426 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5427 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5428 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5429 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5431 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5433 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5434 constraint from second alternative.
5436 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5438 * configure.in: Fix --without/--disable cases for local-prefix,
5439 gxx-include-dir and checking.
5441 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5443 * configure.in (enable_haifa): Set by default for sparc64 too.
5446 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5448 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5449 * i386/winnt.c (associated_type): New fn.
5450 (i386_pe_valid_type_attribute_p): New fn.
5451 (i386_pe_check_vtable_importexport): Remove.
5452 (i386_pe_dllexport_p): Use associated_type.
5453 (i386_pe_dllimport_p): Likewise.
5455 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5456 * i386.c (i386_valid_type_attribute_p): Also accept
5457 attributes for METHOD_TYPEs.
5459 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5461 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5463 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5465 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5467 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5468 them from generating a new base name for each occurence of
5471 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5473 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5475 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5479 * cplus-dem.c (type_kind_t): New type.
5480 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5481 on this paramter, rather than demangling the type again.
5482 (demangle_integral_value): Pass tk_integral.
5483 (demangle_template_: Pass the value returned from do_type.
5484 (do_type): Return a type_kind_t. Pass tk_integral to
5485 demangle_template_value_parm for array bounds.
5486 (demangle_fund_type): Likewise.
5488 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5490 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5493 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5495 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5497 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5499 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5501 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5504 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5506 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5507 (DEBUGGER_ARG_OFFSET): Likewise.
5509 * mn10300.md (movsf): Remove last change. Not needed.
5511 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5513 * c-lex.c (yylex): Fix boundary conditions in character literal and
5514 string literal loops.
5516 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5518 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5519 being invoked incorrectly.
5521 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5522 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5524 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5525 * configure.in: Added i[34567]86-*-win32
5526 * config.sub: Ditto.
5527 * configure: Rebuilt.
5529 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5531 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5532 the frame pointer and compiling PIC code and reload has not completed.
5534 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5537 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5539 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5541 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5543 * Makefile.in (install-info): Only try to update the info
5544 directory file if it exists in the first place.
5546 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5548 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5550 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5552 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5553 CONST_DOUBLE source.
5555 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5557 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5558 strings as the insertion of USER_LABEL_PREFIX.
5559 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5561 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5564 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5566 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5567 already defined type.
5569 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5571 * expr.c (check_max_integer_computation_mode): Allow conversions
5572 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5573 (expand_expr): Likewise.
5575 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5577 * expr.c (expand_expr): Expand RETURN_EXPR.
5579 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5581 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5583 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5585 * dwarf2out.c (output_aranges): Call stripattributes
5586 for TEXT_SECTION references.
5587 (output_line_info): Likewise.
5589 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5591 * profile.c (branch_prob): Call allocate_reg_info after outputting
5592 profile rtl in instrument_arcs.
5594 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5596 * fixinc.irix (math.h): Install wrapper instead of copying.
5598 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5600 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5601 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5602 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5603 lang_flag_0. Added documentation in the flag table.
5605 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5607 * cccp.c (do_include): Fix vax c style include handling.
5609 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5611 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5613 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5615 * fold-const.c (non_lvalue): Don't deal with null pointer
5617 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5619 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5621 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5622 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5623 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5624 (u_short_cint_operand): Same.
5625 (reg_or_cint_operand): Same.
5626 (logical_operand): Same.
5627 (input_operand): Same.
5628 (reg_or_short_operand): Use u_short_cint_operand.
5630 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5632 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5633 but keep the insns and splits. Adjust so when the ultimate destination
5634 is memory, use cvtql.
5636 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5638 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5640 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5642 * gcc.c (do_spec): Call "error" not "warning".
5644 * configure.in: Fix minor problems with gas feature detection code.
5645 * configure: Rebuilt.
5647 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5650 * gcc.c: Delete %[spec] support.
5651 (do_spec_1, case '('): Likewise.
5652 (do_spec_1, case '['): Call error.
5654 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5656 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5657 (CPP_SUBTARGET_SPEC): Default to empty string.
5658 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5659 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5660 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5661 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5663 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5664 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5665 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5666 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5667 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5668 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5669 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5670 * alpha/vxworks.h: Likewise.
5672 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5674 * mips.md (reload_outsi): Added missing REGNO call.
5675 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5677 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5678 another match_operator and compare the codes.
5680 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5682 * MIPS multiply pattern fixes:
5683 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5684 Add union classes for HI, LO, or HILO plus general registers.
5685 (GENERATE_MADD): Deleted.
5686 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5687 Add TARGET_MAD to condition.
5688 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5689 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5690 "*d" for accumulator, to give preference to LO initially but not
5693 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5695 * configure.in (enable_c_mbchar): New configure option.
5696 (extra_cpp_objs): Always available now.
5698 * cexp.y (mbchar.h): #include it.
5699 (yylex): Handle Multibyte characters in character literals.
5701 * cccp.c (mbchar.h): #include it.
5702 (main): Set character set based on LANG environment variable.
5703 (rescan): Handle multibyte characters in comments.
5704 (skip_if_group): See above.
5705 (validate_else): See above.
5706 (skip_to_end_of_comment): See above.
5707 (macarg1): See above.
5708 (discard_comments): See above.
5709 (rescan): Handle multibyte characters in string and character literals.
5710 (collect_expansion): See above.
5711 (skip_quoted_string): See above.
5712 (macroexpand): See above.
5713 (macarg1): See above.
5714 (discard_comments): See above.
5715 (change_newlines): See above.
5717 * c-lex.c (mbchar.h): #include it.
5718 (GET_ENVIRONMENT): New macro.
5719 (init_lex): Set character set based on LANG environment variable.
5720 (yylex): Handle multibyte characters in character literals.
5721 (yylex): Handle multibyte characters in string literals.
5723 * Makefile.in (mbchar.o): New target.
5724 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5725 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5727 * mbchar.[ch]: New files for multibyte character handling.
5729 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5731 * jump.c (jump_optimize): When simplifying noop moves and
5732 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5733 the PUSHes to rewrite in second loop as we did in the first.
5735 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5737 * cplus-dem.c (demangle_nested_args): Make function definition
5738 static to match the prototype.
5740 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5742 * alloca.c: Respect USE_C_ALLOCA.
5743 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5744 * gengenrtl.c (xmalloc): Likewise.
5746 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5748 * loop.h (struct induction): Add no_const_addval.
5749 * loop.c (the_movables, reg_address_cost): New variables.
5750 (init_loop): Init reg_address_cost.
5751 (loop_optimize): Call end_alias_analysis.
5752 (scan_loop): Init the_movables.
5753 (record_giv): Init induction->no_const_addval.
5754 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5755 [REG]: Rearrange loop search test to catch more cases.
5756 (general_induction_var): Return success not benefit; take an extra
5757 argument for that. Change all callers.
5758 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5759 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5760 [default]: Search the_movables for additional combinations.
5761 (sge_plus_constant, sge_plus): New functions.
5762 (express_from_1): New function.
5763 (express_from): Always define. Rewrite using express_from_1.
5764 (combine_givs_p): Handle more cases. Ignore address cost.
5765 (cmp_combine_givs_stats): New function.
5766 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5767 (combine_givs): Rewrite to do best-fit combination.
5769 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5770 (fold): Do a complete (A*C)+(B*C) association check.
5772 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5774 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5776 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5778 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5780 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5782 * tree.c (valid_machine_attribute): Only create a new type variant if
5783 there is a decl to use it.
5785 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5787 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5790 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5792 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5795 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5797 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5798 Simplify tests for clearing an address register.
5799 (expand_prologue): Corresponding changes.
5801 * mn10300.md (movXX patterns): Make sure the destination is an
5802 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5803 (logical patterns): Split into expanders + patterns
5804 (zero and sign extension patterns): Similarly.
5805 (shift patterns): Similarly.
5807 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5809 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5810 for the sequence, recording base values.
5812 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5814 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5816 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5818 * gcc.c: Remove ANSI-C ism from --help code.
5820 * toplev.c: Support --help with USE_CPPLIB.
5822 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5824 * configure.in: Rework gas feature code to work with symlink based
5827 * extend.texi: Clarify some issues related to local variables
5828 assigned to explicit registers.
5830 * mn10300.md (mulsi): Turn into expander + pattern.
5832 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5835 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5837 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5839 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5841 * version.c: Bump again to distinguish mainline tree from the
5844 See ChangeLog.0 for earlier changes.
5847 add-log-time-format: current-time-string
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