1 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
4 (update_eliminable_offsets): Don't compute it.
5 (set_initial_elim_offsets): Don't initialize it.
6 Break out some code into set_initial_label_offsets so the rest of
7 this function can be called from reload_as_needed.
8 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
10 (set_initial_label_offsets): New function, broken out of
11 set_initial_elim_offsets.
12 (set_offsets_for_label): New function, broken out of set_label_offsets
14 (reload): Call the two new functions.
15 (reload_as_needed): Call set_initial_elim_offsets instead of
16 duplicating the code. Likewise for set_offsets_for_label.
18 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
19 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
20 any hard reg, reg_reloaded_dead contains valid data.
22 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
24 * i386.c (i386_valid_type_attribute_p): Return nonzero for mismatched
25 "stdcall" and "cdecl" attributes.
27 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
29 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
30 handle deleted no-op moves of hard registers.
31 * haifa-sched.c (update_flow_info): Likewise.
33 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
35 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
36 of the sequences to reload the HILO register which do not actually
39 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
41 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
43 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
45 * except.c (emit_eh_context): Make the EH context register stay alive
46 at -O0 so stupid.c doesn't get confused.
48 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
50 * emit-rtl.c (try_split): Do not try to split a BARRIER.
52 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
53 Jeffrey A Law (law@cygnus.com)
55 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
56 (zero_extendsidi2): Use # in output template and handle completely by
58 (zero_extend splitters): New define_splits.
59 (ashiftrt_32): New pattern.
61 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
63 * tree.c (append_random_chars): New fn.
64 (get_file_function_name_long): Use it.
66 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
68 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
69 (LIBCPP_OBJS): New. Add cppulp.o.
70 (cppmain, fix-header): Depend on and use libcpp.a.
71 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
72 of the individual object files.
73 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
76 * cccp.c (user_label_prefix): New.
77 (main): Set it off -f*leading-underscore.
78 (special_symbol): Use it.
79 * cpplib.c (special_symbol): Likewise.
80 (cpp_handle_option): Handle -f*leading-underscore.
83 * output.h (user_label_prefix): Declare it.
84 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
85 * toplev.c (f_options, main): Handle -f*leading-underscore.
87 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
88 referencing USER_LABEL_PREFIX directly.
89 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
90 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
91 * final.c (asm_fprintf): Use user_label_prefix instead.
92 * arm/thumb.c (thumb_print_operand): Likewise.
94 * gcc.c (default_compilers): Pass -f*leading-underscore on to
95 cpp wherever appropriate.
97 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
99 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
100 specific compiler switches.
102 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
104 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
107 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
109 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
110 structure which has exactly the members provided by EXTRA_SPECS.
111 Xmalloc() the real `extra_specs', and initialize it from this
112 intermediate structure.
114 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
116 * mips.h (EXTRA_SPECS): Likewise.
118 * sparc.h (EXTRA_SPECS): Likewise.
120 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
122 * function.c (purge_addressof_1): Instead of aborting when a
123 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
124 work just put the ADDRESSOF on stack. Otherwise remember all such
125 successfull replacements, so that exactly the same replacements
126 can be made on the REG_NOTEs. Remove the special case for CALL
128 (purge_addressof_replacements): New variable.
129 (purge_addressof): Clear it at end.
131 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
133 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
134 (lang_init): Call check_newline always.
135 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
136 cpp_start_read, set yy_cur and yy_lim to read from
137 parse_in.token_buffer, so that we'll see the first #line
139 * cpplib.c (cpp_start_read): finclude the main input file
140 before processing -include/-imacros. Process -imacros and
141 -include separately, and handle -include by stacking a
142 buffer for the file in question as if it'd been #included.
143 * toplev.c (documented_lang_options) Recognize -H when
146 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
148 * cpplib.c: Merge do_once into do_pragma. Break file handling
149 code out of do_include.
150 Move append_include_chain, deps_output,
151 file_cleanup, redundant_include_p, import_hash,
152 lookup_import, add_import, read_filename_string, read_name_map,
153 open_include_file, finclude, safe_read to cppfiles.c.
154 Move prototypes for deps_output, append_include_chain,
155 finclude to cpplib.h. Move definition of struct
156 file_name_list there also.
158 * cppfiles.c: New file. Contains all the above functions
159 broken out of cpplib.c; also hack_vms_include_specification
160 from cccp.c and find_include_file, a new function broken out of
163 * Makefile.in (cppmain): Depend on cppfiles.o.
164 (fix-header): Likewise.
165 (cppfiles.o): New target.
166 * configure.in (--enable-c-cpplib): Add cppfiles.o to
167 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
169 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
171 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
172 if pending_types is non-zero.
173 (dwarfout_finish): Verify pending_types is zero before finishing.
175 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
177 * expr.c (convert_move): Use shifts to perform the move if a
178 suitable extend pattern cannot be found. Code written by
179 Richard Henderson <rth@cygnus.com>.
181 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
183 * regclass.c (renumber, regno_allocated): New static variables, moved
184 out of allocate_reg_info.
185 (allocate_reg_info): Move these two variables outside the function.
186 Move code to free memory into new function free_reg_info.
187 (free_reg_info): New function, broken out of allocate_reg_info.
188 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
189 * rtl.h (allocate_reg_info): Don't declare.
190 (free_reg_info): Declare.
192 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
194 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
196 * toplev.c (compile_file): Temporarily revert last change.
198 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
200 * c-typeck.c (convert_for_assignment): Parenthesize.
202 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
204 * reload1.c (delete_output_reload): Avoid ambigous else.
206 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
208 * toplev.c (compile_file): Call allocate_reg_info to free register
210 * rtl.h (allocate_reg_info): Declare.
212 * PROJECTS: Remove entry for local spilling.
214 * final.c (cleanup_subreg_operands): New function.
215 (final_scan_insn): Use it.
216 (alter_subreg): Clear the "used" field when we turn a SUBREG into
218 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
219 operands when reload has finished.
220 * reload.h (cleanup_subreg_operands): Declare..
221 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
222 reload. Handled in reload itself.
224 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
226 * reload1.c (verify_initial_offsets): New function.
227 (reload): Call it after reload_as_needed. Also verify that the frame
228 size stays constant during reload_as_needed.
229 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
231 * reload.h (struct insn_chain): Add need_operand_change element.
232 * reload1.c (new_insn_chain): Clear it.
233 (calculate_needs_all_insns): Set it; don't overload need_reload.
234 (reload_as_needed): Use it.
236 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
237 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
238 and reload_address_index_reg_class.
239 (find_reloads_address_1): Likewise.
240 * reload.h (reload_address_base_reg_class,
241 reload_address_index_reg_class): Don't declare.
242 * reload1.c (reg_old_renumber, pseudo_previous_regs,
243 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
244 (used_spill_regs): Now static.
245 (reload_address_base_reg_class, reload_address_index_reg_class,
246 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
247 basic_block_needs, max_needs, group_size, group_mode, max_groups,
248 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
251 (init_reload): Delete code to compute base/index reg classes.
252 (reload): Delete variable J.
253 Delete code to manage basic_block_needs.
254 Don't compute regs_explicitly_used.
255 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
256 pseudo_previous_regs.
257 Initialize bad_spill_regs_global.
258 Don't call order_regs_for_reload here.
259 Don't initialize spill_reg_order and n_spills.
260 Don't forbid explicitly used regs to be used for spill regs.
261 Change main loop to infinite loop, with explicit break statements.
262 Make SOMETHING_CHANGED variable local to that loop.
263 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
264 max_groups_insn, max_nongroups_insn, group_size, group_mode.
265 Make sure spilled_speudos is cleared before calling spill_hard_reg or
267 Don't call dump_needs.
268 Delete code to reset potential_reload_regs.
269 Delete code to terminate loop conditional on the global needs variables
270 showing no further needs.
271 (calculate_needs_all_insns): Return void. All callers changed.
272 Initialize somehing_needs_elimination here, not in reload.
273 Delete avoid_return_reg kludge.
274 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
276 Initialize the group_mode and group_size elements of the arg CHAIN.
277 Delete code to manage basic_block_needs.
278 Operate on elements of CHAIN instead of global variables.
279 Delete avoid_return_reg kludge.
280 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
282 Operate on elements of CHAIN instead of global variables.
283 Delete special SMALL_REGISTER_CLASSES code.
284 Delete spill_failure code; now in new_spill_reg.
285 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
287 Operate on elements of CHAIN instead of global variables.
288 (maybe_mark_pseudo_spilled): New static function.
289 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
291 Operate on elements of CHAIN instead of global variables.
292 Call order_regs_for_reload here, not in reload.
293 Initialize spill_reg_order and n_spills.
294 Simplify test whether an asm insn is involved.
295 Delete spill_failure code; now in new_spill_reg.
296 Call maybe_mark_pseudo_spilled for everything marked as live in
297 CHAIN. Merge CHAIN's used_spill_regs into the global variable
299 (dump_needs): Take CHAIN arg. No longer static, to prevent the
300 compiler from optimizing this function (now unused) away.
301 Operate on elements of CHAIN instead of global variables.
302 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
304 Operate on elements of CHAIN instead of global variables.
305 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
306 take CHAIN arg. All callers changed.
307 Operate on elements of CHAIN instead of global variables.
308 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
309 CHAIN, NONGROUP args. Return void. All callers changed.
310 Verify caller isn't trying to spill a pseudo.
311 Simplify test for illegal reg, just use bad_spill_regs.
312 Generate better error messages.
313 Operate on elements of CHAIN instead of global variables.
314 Mark spilled register in CHAIN's used_spill_regs element.
315 Don't call spill_hard_reg.
316 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
317 Mark spilled hard regs in bad_spill_regs_global.
318 Mark affected pseudos in spilled_pseudos, but don't spill them.
319 (ior_hard_reg_set): New static function.
320 (finish_spills): Return int. All callers changed.
321 Compute spill_reg_order, n_spills and spill_regs here. Also update
322 regs_ever_live for regs used as spills.
323 For every pseudo in spilled_pseudos, spill it and mark the previous
324 hard reg it had in pseudo_previous_regs. Compute which hard regs
325 arseudo): New static function.
326 (order_regs_for_reload): Take CHAIN arg. All callers changed.
327 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
328 hard registers explicitly used across the current insn into the set.
329 Compute hard_reg_n_uses taking only pseudos live across this insn
331 Tweak sorting of potential_reload_regs.
332 (compare_spill_regs): Delete function.
333 (reload_as_needed): Don't sort the spill_regs array, it's computed
334 in proper order in finish_spills.
335 Delete avoid_return_reg kludge.
336 Delete code to manage basic_block_needs.
337 (allocate_reload_reg): Minor speed/readability tweaks.
338 Operate on elements of CHAIN instead of global variables.
339 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
340 Delete avoid_return_reg kludge.
341 Initialize reload_reg_used from CHAIN's used_spill_regs element.
342 Delete unused label FAIL.
343 (reload_combine): Replce reload_address_index_reg_class with
345 Don't use used_spill_regs to determine information about lifetime of
348 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
350 * toplev.c (display_help): Ignore empty target specific
351 options, and if -W is also specified on the command line then
352 display undocumented options.
354 * config/arm/arm.c: Updated with changes in devo sources.
355 * config/arm/arm.h: Updated with changes in devo sources.
356 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
357 * config/arm/lib1thumb.asm: Add ELF support.
359 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
361 * collect2.c (aix64_flag): New variable.
362 (main, case 'b'): Parse it.
363 (GCC_CHECK_HDR): object magic number must match mode.
364 (scan_prog_file): Only check for shared object if valid header.
365 Print debugging if header/mode mismatch.
367 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
369 Added support for arm-elf-linux configuration, submitted by Philip
370 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
371 code developed by Catherine Moore <clm@cygnus.com>. The following
374 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
377 * configure: Regenerated.
379 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
380 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
381 definitions conditional on their not having been already defined.
383 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
384 and .type directives, and add "(PLT)" qualification to function
387 * config/arm/linux.h: Deleted. This file is now superceeded by
388 either linux-elf.h or linux-aout.h.
390 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
391 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
393 Move definitions from old linux.h file here.
395 * config/arm/elf.h: New file. Generic ARM/ELF support.
397 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
399 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
401 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
402 using the 26bit APCS.
404 * config/arm/unknown-elf.h: New file. Support for OS'es other
407 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
410 * config/arm/coff.h: Include aout.h for basic assembler macros.
411 Add support for -mstructure_size_boundary=<n> command line option.
413 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
414 command line option. Make macro definitions conditional on their
415 not having been already defined.
417 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
421 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
423 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
424 has been changed to not include a newline. Use this macro instead.
425 (output_enumeral_list, const_value_attribute, name_attribute,
426 comp_dir_attribute, prototyped_attribute, producer_attribute,
427 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
428 dwarfout_file_scope_decl, generate_new_sfname_entry,
429 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
430 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
432 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
434 * combine.c (subst): Process the inputs to a parallel asm_operands
437 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
439 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
441 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
443 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
445 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
447 * version.c: Bump for snapshot.
449 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
451 * stmt.c (expand_fixup): Set fixup->before_jump to a
452 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
454 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
456 * Makefile.in (recog.o): Depend on toplev.h.
457 (insn-emit.o): Depend on recog.h.
458 (insn-peep.o): Depend on recog.h and insn-config.h.
460 * combine.c (simplify_set): Remove unused variable `scratches'.
462 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
463 and `idx' in macro conditional controlling their use.
465 * genemit.c (main): Make the generated output file include
466 recog.h. Don't have it declare `insn_operand_constraint', since
467 we get it from recog.h.
469 * genpeep.c (main): Make the generated output file include
470 insn-config.h and recog.h.
472 * recog.c: Include toplev.h.
473 (extract_insn): Remove unused variable `p'.
475 * regclass.c (fix_register): Add missing braces around initializer
477 (allocate_reg_info): Move variable `i' into the scope where it is
478 used. Change its type to `size_t'.
480 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
482 * reload.c (push_reload): When merging reloads, make sure
483 that reload_in_reg and reload_in are from the same reload in
486 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
488 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
489 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
491 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
493 * loop.c (loop_has_tablejump): New variable.
494 (prescan_loop): Scan for it.
495 (insert_bct): Replace explicit scan with use of it.
496 * regclass.c (regclass): Restore loop variable j.
497 (record_reg_classes): Deterine op_types modifiers and initialize
498 classes[i] before matching constraints. Handle matching
501 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
503 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
506 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
508 * mips.h (EXTRA_SPECS): Add missing initializers.
510 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
512 * sparc.h (EXTRA_SPECS): Add missing initializers.
513 (sparc_defer_case_vector): Provide a prototype.
515 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
516 comparing it to the result of a pointer subtraction.
518 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
520 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
521 the argument to (unsigned char).
523 * alpha.h (EXTRA_SPECS): Add missing initializers.
524 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
527 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
529 * flow.c (life_analysis_1): Enable "rescan" code after reload.
530 (propagate_block): Delete dead code after reload.
532 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
533 back Oct 15, 1998 change.
534 * haifa-sched.c (update_flow_info): Likewise.
535 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
537 * mn10200.md (truncated shift): Accept constant inputs too.
539 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
541 * machmode.h (mode_mask_array): No longer const.
542 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
544 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
546 * frame.c: Somewhat explain `FDE'.
547 Suggested by Brendan Kehoe
549 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
551 * expr.c (pending_chain): Move up.
552 (save_expr_status): Do save pending_chain.
553 (restore_expr_status): And restore it.
554 * function.h (struct function): Add pending_chain.
556 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
558 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
559 did not match the code.
561 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
563 * regclass.c (regclass): Break out some code into new function
564 scan_one_insn, and into regclass_init.
565 (init_cost): New static variable, moved out of regclass.
566 (regclass_init): Initialize it here, not in .
567 (scan_one_insn): New static function, broken out of regclass.
568 * recog.c (apply_change_group): Break out some code into new
569 function insn_invalid_p.
570 (insn_invalid_p): New static fn, broken out of apply_change_group.
572 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
574 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
575 reg_reloaded_contents matches incremented pseudo.
577 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
579 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
581 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
582 addressing modes with side effects. These are currently
583 placeholders for the C4x target.
585 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
587 * loop.c (express_from): Make sure that when generating a PLUS of
588 a PLUS, any constant expression appears on the outermost PLUS.
590 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
592 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
593 works if "$(srcdir)" != ".".
595 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
597 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
598 existing SUBREG if we can, otherwise abort.
600 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
602 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
603 `restrict' is applied to a non-pointer variable.
605 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
607 * invoke.texi: Document -flang-isoc9x.
609 * Makefile.in (OBJS): Add splay-tree.o.
610 (c-common.o): Depend on rtl.h.
611 (splay-tree.o): List dependencies and provide build rule.
613 * rtl.h (record_alias_subset): New function.
614 * alias.c: Include splay-tree.h.
615 (alias_set_entry): New type.
616 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
617 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
618 (mems_in_disjoin_alias_sets_p): New function.
619 (alias_set_compare): Likewise.
620 (insert_subset_children): Likewise.
621 (get_alias_set_entry): Likewise.
623 * tree.h (TYPE_RESTRICT): New macro.
624 (TYPE_UNQUALIFIED): New manifest constant.
625 (TYPE_QUAL_CONST): Likewise
626 (TYPE_QUAL_VOLATILE): Likewise.
627 (TYPE_QUAL_RESTRICT): Likewise.
628 (tree_type): Add restrict_flag. Reduce count of free bits.
629 (DECL_POINTER_ALIAS_SET): New macro.
630 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
631 (tree_decl): Add pointer_alias_set.
632 (build_qualified_type): New function.
633 (build_type_variant): Define in terms of build_qualified_type.
634 * tree.c (set_type_quals): New function.
635 (make_node): Initializae DECL_POINTER_ALIAS_SET.
636 (build_type_attribute_variant): Use build_qualified_type and
638 (build_type_variant): Rename, and modify, to become...
639 (build_qualified_type): New function.
640 (build_complex_type): Use set_type_quals.
642 * c-tree.h (C_TYPE_OBJECT_P): New macro.
643 (C_TYPE_FUNCTION_P): Likewise.
644 (C_TYPE_INCOMPLETE_P): Likewise.
645 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
646 (c_apply_type_quals_to_decl): New function.
647 (c_build_qualified_type): New function.
648 (c_build_type_variant): Define in terms of c_build_qualified_type.
649 (flag_isoc9x): Declare.
650 * c-typeck.c (qualify_type): Use c_build_qualified_type.
651 (common_type): Change to use TYPE_QUALS.
652 (comptypes): Likewise.
653 (convert_for_assignment): Likewise.
654 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
655 * c-decl.c (flag_isoc9x): Define.
656 (c_decode_option): Handle -flang-isoc9x.
657 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
658 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
659 * c-lex.c (init_lex): Deal with restrict.
660 (init_lex): Don't treat restrict as a reserved word in
661 -traditional mode, or without -flang-isoc9x.
662 * c-lex.h (rid): Add RID_RESTRICT.
663 * c-parse.gperf (restrict, __restrict, __restrict__): Make
664 equivalent to RID_RESTRICT.
665 * c-parse.in (TYPE_QUAL): Update comment.
666 * c-common.c: Include rtl.h.
667 (c_find_base_decl): New function.
668 (c_build_type_variant): Rename, and modify, to become ...
669 (c_build_qualified_type): New function.
670 (c_apply_type_quals_to_decl): Likewise.
671 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
672 a particular alias set for the reference.
673 * toplev.c (documented_lang_options): Add -flang-isoc9x.
675 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
677 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
678 command line switches.
680 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
682 * reload.c (loc_mentioned_in_p): Add missing braces to bind
685 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
687 * gcc.c (option_map): Added --classpath and --CLASSPATH.
689 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
691 * regclass.c (fix_register): Add error message.
692 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
695 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
697 * c-decl.c (warn_missing_noreturn): New global variable.
698 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
699 (finish_function): Implement missing noreturn warning.
701 * c-tree.h (warn_missing_noreturn): Declare extern.
703 * invoke.texi: Document new flags.
705 * toplev.c (documented_lang_options): Add description.
707 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
709 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
710 loop optimization stable for the C4x.
711 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
712 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
713 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
715 (c4x_address_conflict): Be more paranoid when packing a volatile
716 memref in a parallel load/store.
718 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
720 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
721 repeat_block_filler): Deleted.
722 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
723 Condition code not set if destination register from 'c' class.
724 (*subbqi3_carry_clobber): Fix typo.
726 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
728 * reorg.c (steal_delay_list_from_target) Check for insns that
729 modify the condition codes and effect the direction of the jump
732 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
734 * function.c (purge_addressof_1): Replace call to
735 emit_insns_before() with emit_insn_before().
737 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
739 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
741 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
743 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
745 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
747 * gcse.c (compute_hash_table): Correctly identify hard regs which are
748 clobbered across calls.
750 * loop.c (scan_loop): Be more selective about what invariants are
753 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
755 * version.c: Bump for snapshot.
757 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
759 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
760 static eh_context structure.
762 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
764 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
766 (try_combine): Don't update max_scratch.
767 * flow.c (max_scratch, num_scratch): Delete variables.
768 (life_analysis_1): Don't initialize max_scratch.
769 (propagate_block): Don't update max_scratch.
770 (mark_set_1): Don't increment num_scratch.
771 * regs.h (max_scratch): Delete declaration.
773 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
775 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
776 is nonzero. This is temporary!
778 * sched.c (update_flow_info): Handle death notes made invalid by
779 instruction splitting. Partially reverts Oct 15, 1998 patch.
780 * haifa-sched.c (update_flow_info): Likewise.
782 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
784 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
785 if it has a nonzero DECL_INITIAL.
787 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
789 * Makefile.in (flow.o): Depend on recog.h.
791 * cpplib.h (directive_table): Add missing initializiers.
792 (finclude): Change type of variable `bsize' to size_t.
794 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
796 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
798 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
799 `int' when comparing against one.
800 (cpp_file_line_for_message): Mark parameter `pfile' with
802 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
804 * flow.c: Include recog.h.
805 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
807 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
808 `f' with ATTRIBUTE_UNUSED.
809 (reposition_prologue_and_epilogue_notes): Likewise.
811 * genopinit.c (gen_insn): Cast argument of ctype functions to
814 * haifa-sched.c: Include recog.h.
815 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
816 comparing against one.
818 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
820 * mips-tfile.c (parse_end): Cast the argument of ctype function to
822 (parse_ent): Likewise.
823 (parse_input): Likewise.
825 * optabs.c (init_libfuncs): Likewise.
827 * protoize.c (find_rightmost_formals_list): Likewise.
829 * recog.h (const_double_operand): Fix typo in prototype.
831 * tlink.c (scan_linker_output): Cast the argument of ctype
832 function to `unsigned char'.
834 * toplev.c (check_lang_option): Cast the result of `strlen' to
835 `int' when comparing against one.
837 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
839 * gcse.c (dump_cuid_table): Correct typo.
841 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
843 * toplev.c (display_help): Prepend '-m' to target specific
845 (check_lang_option): Ignore text after end of first word of a
846 language specific option.
848 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
850 * reload1.c (reg_used_by_pseudo): New static variable.
851 (choose_reload_regs): Initialize it.
852 Use it instead of testing spill_reg_order to determine whether a
853 pseudo is live in a hard register across the current insn.
854 Fix a typo in a reference to reload_reg_rtx.
856 * flow.c (propagate_block): Replace code that computes and uses
857 regs_sometimes_live with simpler code that just walks the set of
858 currently live registers.
860 * Makefile.in (insn-extract.o): Fix dependencies.
861 * genextract.c (main): Generate includes for insn-config.h and
863 Delete generation of declarations which are now in recog.h.
864 * genrecog.c (main): Delete generation of definitions which are
866 * local-alloc.c (block_alloc): Use extract_insn and the variables
867 it sets up instead of looking up values by insn_code.
868 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
869 recog_dup_num): Define here instead of generating the definition in
871 (recog_n_operands, recog_n_dups, recog_n_alternatives,
872 recog_operand_mode, recog_constraints, recog_operand_address_p):
874 (extract_insn): New function.
875 * recog.h (extract_insn): Declare function.
876 (which_alternative, recog_n_operands, recog_n_dups,
877 recog_n_alternatives, recog_operand_mode, recog_constraints,
878 recog_operand_address_p): Declare variables.
879 * regclass.c (n_occurrences): New static function.
880 * reload.c (n_occurrences): Delete function.
881 (find_reloads): Use extract_insn.
882 * reload.h (n_occurrences): Delete declaration.
884 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
886 * reload1.c (reload_as_needed): Fix test for when to call
887 update_eliminable_offsets.
889 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
891 Fix consistency problems with reg_equiv_{mem,address};
892 Improve reload inheritance;
894 * reload.c (reload_out_reg): New variable.
895 (loc_mentioned_in_p, remove_address_replacements): New functions.
896 (remove_replacements): Deleted.
897 (push_reload): Set reload_out_reg[i].
898 When merging, also set reload_{in,out}_reg[i], and remove
899 duplicate address reloads.
900 (combine_reloads): Copy reload_out_reg[i].
901 (find_reloads): Do make_memloc substitution also when
902 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
904 Include *recog_operand_loc in commutativity operand changes.
905 Generate optional output reloads.
906 Delete reference to n_memlocs. Don't set *recog_operand_loc before
907 processing operands. Call make_memloc in reg_equiv_address code.
908 Set *recog_operand_loc only after processing operands, and only
909 if replace is true. Return a value.
910 When changing address reload types for operands that didn't get
911 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
912 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
913 Don't emit USEs for pseudo SUBREGs when not replacing.
914 (find_reloads_address): Do make_memloc substitution also when
915 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
917 (find_reloads_toplev): Likewise.
918 Call make_memloc in reg_equiv_address code.
919 (debug_reload_to_stream): Add code to output reload_out_reg.
920 (make_memloc): Delete local variable i, ifdefed out code, and
921 references to memlocs and n_memlocs.
922 (memlocs, n_memlocs): Delete.
923 (push_secondary_reload): Clear reload_out_reg.
924 (find_reloads_address_1): Provide memrefloc argument to all calls
925 to find_reloads_address.
926 In AUTO_INC code, handle non-directly addressable equivalences properly.
927 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
928 (find_reloads): Add return type.
929 (remove_address_replacements, deallocate_reload_reg): Declare.
930 * reload1.c (num_not_at_initial_offset): No longer static.
931 (delete_address_reloads, delete_address_reloads_1): Likewise.
932 (deallocate_reload_reg): New function.
933 (spill_reg_stored_to): New array.
934 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
935 (eliminate_regs_in_insn): Move assignments of previous_offset and
936 max_offset fields, and recalculation of num_not_at_initial_offset
937 into new static function:
938 (update_eliminable_offsets) .
939 (reload_as_needed): Call update_eliminable_offsetss after calling
941 Call forget_old_reloads_1 with contents of reloaded auto_inc
942 expressions if the actual addressing can't be changed to match the
944 (choose_reload_regs): For inheritance, replace
945 reload_reg_free_before_p test with reload_reg_used_at_all test, and
946 remove stand-alone reload_reg_used_at_all test.
947 Use reload_out_reg to determine which reload regs have output reloads.
948 Treat reload_override_in more similar to inherited reloads.
949 Handle (subreg (reg... for inheritance.
950 For flag_expensive_optimizations, add an extra pass to remove
951 unnecessary reloads from known working inheritance.
952 Delete obsolete code for pseudos replaced with MEMs.
953 Handle inheritance from auto_inc expressions.
954 (emit_reload_insns): If reload_in is a MEM, set OLD to
956 Don't reload directly from oldequiv; if it's a pseudo with a
957 stack slot, use reload_in[j].
958 Check that reload_in_reg[j] is a MEM before replacing reload_in
959 from reg_reloaded_contents.
960 Include non-spill registers in reload inheritance processing.
961 Also try to use reload_out_reg to set spill_reg_store /
963 In code to set new_spill_reg_store, use single_set to find out if
964 there is a single set.
965 Add code that allows to delete optional output reloads.
966 Add code to allow deletion of output reloads that use no spill reg.
967 At the end, set reload_override_in to oldequiv.
968 Also call delete_output_reload if reload_out_reg is equal to old
970 Add code to call delete_output_reload for stores with no matching load.
971 Set / use spill_reg_stored_to.
972 Handle case where secondary output reload uses a temporary, but
973 actual store isn't found.
974 When looking for a store of a value not loaded in order to call
975 delete_output_reload, count_occurences should return 0 for no
976 loads; but discount inherited input reloadill_reg_stored_to.
977 Do checks for extra uses of REG. Changed all
979 Use delete_address_reloads.
980 (reload): Take return value of find_reloads into account.
981 If a no-op set needs more than one reload, delete it.
982 (reload_reg_free_before_p): RELOAD_FOR_INPUT
983 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
984 for the same operand.
985 (clear_reload_reg_in_use): Check for other reloads that keep a
987 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
988 RELOAD_FOR_OPADDR_ADDR.
989 Take into account when an address address reload is only needed
990 for the address reload we are considering.
991 (count_occurrences): Use rtx_equal_p for MEMs.
992 (inc_for_reload): Return instruction that stores into RELOADREG.
993 New argument two, IN, and rtx. Changed all callers.
994 (calculate_needs_all_insns, reload_as_needed):
995 Don't clear after_call for a CLOBBER.
996 Keep track of how many hard registers need to be copied from
997 after_call, and don't clear after_call before we have seen
998 that much copies, or we see a different instruction.
1000 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1002 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1003 after reload has completed.
1005 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1007 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1008 a macro name and the next token with a single blank if that whitespace
1009 is in a macro buffer and the next token is not '('.
1011 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1013 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1015 (skip_if_group): Ditto.
1016 (skip_to_end_of_comment): Ditto.
1018 (discard_comments): Ditto.
1019 (change_newlines): Ditto.
1021 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1023 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1025 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1027 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1028 (TARGET_OPTIONS): Add --help documentation.
1030 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1032 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1034 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1036 * fixinc/* Moved in from ../contrib directory in preparation
1037 for integrating it into the normal build process. In particular,
1038 fixinc/Makefile.in must be config-ed into the build directory
1039 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1040 ./configure.in will be "in the mail" momentarily.
1042 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1044 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1045 accidently walk into the free list. Comment how that can happen.
1046 (invalidate): Fix indentation.
1048 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1049 Jeffrey A Law (law@cygnus.com)
1051 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1052 reload. Never perform rescans of the insn chain after reload.
1053 (propagate_block): Do not delete insn or create new autoinc addressing
1056 * jump.c (jump_optimize): Unconditionally use the code that was
1057 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1058 * reload1.c (reload): When reloading is finished, delete all
1059 REG_DEAD and REG_UNUSED notes.
1060 (emit_reload_insns): Delete all code that was conditional on
1061 PRESERVE_DEATH_INFO_REGNO_P.
1062 (no_longer_dead_regs): Delete variable.
1063 (reload_cse_delete_death_notes): Delete function.
1064 (reload_cse_no_longer_dead): Delete function.
1065 (reload_cse_regs_1): Delete all code to handle deletion of death
1067 (reload_cse_noop_set_p): Likewise.
1068 (reload_cse_simplify_set): Likewise.
1069 (reload_cse_simplify_operands): Likewise.
1070 (reload_cse_move2add): Likewise.
1071 * reorg.c (used_spill_regs): Delete declaration.
1072 (max_label_num_after_reload): Delete declaration.
1073 (find_dead_or_set_registers): Don't assume that spill regs are
1074 dead at a CODE_LABEL.
1075 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1077 * sched.c (sched_analyze_insn): Likewise.
1078 (update_flow_info): Likewise.
1079 * haifa-sched.c (sched_analyze_insn): Likewise.
1080 (update_flow_info): Likewise.
1081 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1082 * toplev.c (max_label_num_after_reload): Delete variable.
1083 (rest_of_compilation): Don't set max_label_num_after_reload.
1084 Call life_analysis after reload_cse_regs if optimizing.
1085 * config/gmicro/gmicro.h: Delete comment referring to
1086 PRESERVE_DEATH_INFO_REGNO_P.
1087 * config/i386/i386.h: Likewise.
1088 * config/m88k/m88k.h: Likewise.
1089 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1090 * config/sh/sh.h: Likewise.
1092 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1094 * loop.c (strength_reduce): Restore marking bct_p as
1096 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1097 HAVE_decrement_and_branch_on_count.
1098 (small_data_operand): Remove TARGET_ELF condition for marking
1099 parameters ATTRIBUTE_UNUSED.
1101 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1103 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1104 (SELECT_SECTION): Resync with svr4.h.
1106 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1108 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1111 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1113 * c-pragma.c (handle_pragma_token): Test for null tree before
1114 dereferencing TREE_CODE.
1116 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1118 * config/c4x/c4x.c: Convert to use GEN_INT.
1119 (c4x_parallel_process): Rework to handle new repeat loop structure.
1121 * config/c4x/c4x.md: Convert to use GEN_INT.
1122 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1123 (decrement_and_branch_on_count): Likewise.
1125 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1126 loop.c has the desired functionality.
1127 (rc_reg_operand): New prototype.
1129 * config/c4x/t-c4x: Can now build all front ends.
1131 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1133 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1135 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1137 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1138 * config/t-rtems: Do not install assert.h -- use newlib's.
1140 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1142 * combine.c (combine_instructions): When finished, call init_recog.
1143 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1145 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1147 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1149 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1151 * cppalloc.c (memory_full): Mark function prototype with
1154 * demangle.h (collect_exit): Likewise.
1156 * fix-header.c (v_fatal, fatal): Likewise.
1158 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1161 * gcov.c (print_usage): Likewise.
1163 * genattr.c (fatal, fancy_abort): Likewise.
1165 * genattrtab.c (fatal, fancy_abort): Likewise.
1167 * gencodes.c (fatal, fancy_abort): Likewise.
1169 * genconfig.c (fatal, fancy_abort): Likewise.
1171 * genemit.c (fatal, fancy_abort): Likewise.
1173 * genextract.c (fatal, fancy_abort): Likewise.
1175 * genflags.c (fatal, fancy_abort): Likewise.
1177 * genopinit.c (fatal, fancy_abort): Likewise.
1179 * genoutput.c (fatal, fancy_abort): Likewise.
1181 * genpeep.c (fatal, fancy_abort): Likewise.
1183 * genrecog.c (fatal, fancy_abort): Likewise.
1185 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1186 __sjpopnthrow, __throw): Likewise.
1188 * objc/objc-act.c (objc_fatal): Likewise.
1190 * protoize.c (usage, aux_info_corrupted,
1191 declare_source_confusing): Likewise.
1193 * rtl.c (dump_and_abort): Likewise.
1195 * rtl.h (sets_cc0_p): Likewise.
1197 * toplev.c (float_signal, pipe_closed): Likewise.
1199 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1201 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1202 when generating the decision tree for the general case.
1204 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1205 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1207 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1209 * Makefile.in (sched.o): Depend on recog.h.
1211 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1212 (unsigned) when comparing against one.
1213 (find_base_value): Likewise.
1214 (record_base_value): Cast variable `regno' to (unsigned) when
1215 comparing against one. Cast the result of REGNO() macro to
1216 (unsigned) when comparing against one.
1217 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1219 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1220 variable where an unsigned index is needed.
1222 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1223 before comparing against one.
1225 * collect2.c: Add prototypes for functions `error', `fatal' and
1226 `fatal_perror'. Make these functions take variable arguments
1227 instead of faking it with a fixed number of args.
1228 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1231 * combine.c (can_combine_p): Mark parameter `pred' with
1233 (find_split_point): Cast variable `src' to (unsigned
1234 HOST_WIDE_INT) when comparing against one.
1235 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1236 (simplify_logical): Likewise.
1237 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1238 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1239 HOST_WIDE_INT) in shift.
1240 (simplify_and_const_int): Cast result of INTVAL() macro to
1241 `unsigned HOST_WIDE_INT' when comparing against one.
1242 (merge_outer_ops): Cast variable const0 to `unsigned
1243 HOST_WIDE_INT' when comparing against the result of
1244 GET_MODE_MASK() macro.
1245 (simplify_comparison): Likewise for variable `c0'. Cast variable
1246 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1247 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1248 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1249 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1250 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1251 comparing against one.
1252 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1254 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1255 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1256 (output_block_move): Cast `sizeof' expression to (int) when
1257 comparing against one.
1258 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1260 (save_restore_insns): Cast `base_offset' to `long' to match format
1261 specifier in fprintf.
1263 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1264 to `enum machine_mode'.
1266 * flow.c (life_analysis_1): Remove unused variable `insn'.
1268 * gcc.c (translate_options): Move variables `j' and `k' into the
1269 scope in which they are used. Change their types to `size_t'.
1270 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1271 (read_specs): Likewise.
1272 (process_command): Cast `sizeof' to (int) when comparing against one.
1273 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1274 (handle_braces): Cast both sides of `==' expression to `long' to
1275 ensure sign matching.
1276 (main): Cast variable `i' to `int' when comparing against one.
1278 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1279 int to size_t. Cast variable `i' to size_t when comparing against
1282 * genattrtab.c (convert_set_attr_alternative): Remove unused
1283 parameter `insn_code'. All callers changed.
1284 (convert_set_attr): Likewise.
1286 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1287 size_t when comparing against one. Likewise for variable `len'.
1289 * global.c (global_alloc): Cast variable `max_regno' to size_t
1290 when comparing against one. Likewise for variable `max_allocno'.
1292 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1294 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1295 `set' with ATTRIBUTE_UNUSED.
1296 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1299 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1300 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1301 (get_condition): Cast variable `const_val' to `unsigned
1302 HOST_WIDE_INT' when comparing against one. Cast unsigned
1303 expression to HOST_WIDE_INT when comparing against one.
1304 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1305 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1306 `unsigned' when comparing against one.
1308 * protoize.c (is_id_char): Change type of parameter `ch' to
1310 (munge_compile_params): Cast argument of ctype macro to (const
1312 (process_aux_info_file): Cast variable `aux_info_size' to int when
1313 comparing against one.
1314 (forward_to_next_token_char): Cast argument of ctype macro to
1315 `const unsigned char'.
1316 (edit_formals_lists): Likewise.
1317 (find_rightmost_formals_list): Likewise.
1318 (add_local_decl): Likewise.
1319 (add_global_decls): Likewise.
1320 (edit_fn_definition): Likewise.
1321 (do_cleaning): Likewise.
1322 (scan_for_missed_items): Likewise.
1323 (edit_file): Cast variable `orig_size' to (int) when comparing
1325 (main): Cast argument of ctype macro to `const unsigned char'.
1327 * recog.c (const_int_operand): Mark parameter `mode' with
1330 * regclass.c (record_reg_classes): Change type of variable `c' to
1331 `unsigned char'. Cast `char' array index to `unsigned char'.
1333 * reload.c (push_secondary_reload): Cast argument to
1334 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1336 * reload1.c (calculate_needs): Cast `char' array index to
1338 (set_label_offsets): Change type of variable `i' to unsigned int.
1339 Cast result of XVECLEN() macro to unsigned when comparing against
1341 (mark_not_eliminable): Change type of variable `i' to unsigned.
1342 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1343 when comparing against one.
1344 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1345 comparing against one.
1346 (choose_reload_regs): Hide unused label `fail'.
1347 (reload_cse_simplify_operands): Cast `char' array index to
1349 (reload_combine_note_store): Mark parameter `set' with
1350 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1352 (reload_cse_move2add): Remove unused variable `src2'.
1354 * sched.c: Include recog.h.
1355 (sched_note_set): Remove unused parameter `b'. All callers
1357 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1358 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1359 when comparing against one.
1361 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1362 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1363 comparing against one.
1365 * unroll.c (precondition_loop_p): Remove unused parameter
1366 `loop_end'. All callers changed.
1368 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1370 * reload1.c (maybe_fix_stack_asms): New static function.
1373 * reload.h (compute_use_by_pseudos): Declare.
1375 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1376 (something_needs_reloads): Delete variable.
1377 (finish_spills): New function.
1378 (compute_use_by_pseudos): New function.
1380 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1381 Use the reload_insn_chain instead of walking the rtl directly.
1383 (reload): Allocate and free spilled_pseudos.
1384 Ensure that all calls of spill_hard_reg are followed by a call to
1386 Use the insns_need_reload list instead of something_needs_reloads
1387 to find out if reload_as_needed must be called.
1388 Clear unused_insn_chains at the end.
1390 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1392 Delete code to keep track of current basic block.
1393 Walk reload_insn_chain instead of the rtl structure. Build the
1394 insns_need_reload chain.
1395 Remember which insns need reloading/elimination by setting the
1396 appropriate fields in struct insn_chain, not by putting modes on the
1399 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1400 arg INSN. All callers changed.
1401 Delete declaration of struct needs.
1402 Don't set something_needs_reloads.
1403 Record insn needs in the CHAIN argument.
1405 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1407 (reload_as_needed): Lose FIRST arg. All callers changed.
1408 Walk the reload_insn_chain instead of the rtx structure.
1409 Delete code to keep track of current basic block.
1410 Rename one of the NEXT variables to OLD_NEXT.
1412 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1414 (choose_reload_regs): Likewise.
1416 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1419 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1420 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1421 (hard_regs_live, hard_regs_need_restore): Delete variables.
1422 (n_regs_saved): Now static.
1423 (referenced_regs, this_insn_sets): New variables.
1425 (setup_save_areas): Restructure the code a bit.
1427 (restore_referenced_regs): Delete function.
1428 (mark_referenced_regs): New function, similar to the old
1429 restore_referenced_regs, but mark registers in referenced_regs.
1431 (clear_reg_live): Delete function.
1432 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1433 Only mark registers in this_insn_sets.
1435 (save_call_clobbered_regs): Rework this function to walk the
1436 reload_insn_chain instead of using the list of instructions directly.
1437 Delete code to keep track of register lives, compute live regs on the
1438 fly from information in the chain.
1439 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1440 then walk the set it computes and call insert_restore as appropriate.
1442 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1444 Restructure the code a bit. Test hard_regs_saved instead of
1445 hard_regs_need_restore.
1446 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1447 args. All callers changed.
1448 Restructure the code a bit. Use TO_SAVE to determine which regs to
1449 save instead of more complicated test.
1450 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1452 Create a new insn_chain structure for the new insn and place it
1455 * rtl.texi: Update documentation to reflect that reload no longer
1456 puts modes on the insns.
1458 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1460 * function.c (purge_addressof_1): Force the first argument of a
1461 CALL insn to memory.
1463 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1465 * rtl.h: Delete duplicate prototypes. Add some missing
1467 * rtlanal.c: (for_each_rtx): Formatting tweak.
1469 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1471 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1472 to be compatible with TI compiler.
1474 * Makefile.in (USER_H): Add va-c4x.h to definition.
1476 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1478 * function.c (purge_addressof_1): Fix typo in inequality: do
1479 bitfield optimization for equal mode sizes.
1480 * expmed.c (store_bit_field): Don't take subregs of subregs in
1481 the movstrict case. Tidy a potential problem in the multi-word case.
1482 (extract_bit_field): Likewise.
1484 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1486 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1488 Compute max_uid_for_flow by calling get_max_uid after the scan.
1489 (find_basic_blocks_1): Don't emit NOPs here.
1491 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1493 * alias.c (base_alias_check): Accept new args for the modes of the
1494 two references. Use them to determine if an AND can overlap. Update
1496 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1497 to determine if an AND can overlap.
1499 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1501 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1502 check. Add comment to document problems with TARGET_SUN_FPA version
1504 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1506 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1508 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1510 * c-common.c (print_char_table): Add missing initializers.
1511 (scan_char_table): Likewise.
1512 (time_char_table): Likewise.
1514 * c-decl.c (c_decode_option): Mark parameter `argc' with
1516 (declare_parm_level): Mark parameter `definition_flag' with
1519 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1520 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1523 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1525 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1527 (expand_call): Cast result of MIN() to (unsigned int) when
1528 comparing against an unsigned value.
1530 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1532 (make_definition): Remove unused parameter `op'. All callers
1534 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1535 comparing against the result of pointer arithmetic.
1537 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1538 when comparing against one.
1540 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1541 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1543 (output_die): Move variable `i' into the scope in which it is
1544 used. Change its type to `unsigned'.
1545 (output_die): Cast the result of `strlen' to (int) when passing it
1546 to ASM_OUTPUT_ASCII().
1547 (output_pubnames): Likewise.
1548 (output_line_info): Likewise.
1550 * emit-rtl.c (global_rtl): Add missing initializers.
1552 * explow.c (promote_mode): Mark parameter `for_call' with
1555 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1556 `unsigned HOST_WIDE_INT' when comparing against one.
1557 (synth_mult): Change type of variable `cost' to int.
1558 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1560 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1561 when comparing against one.
1562 (get_inner_reference): Change variable `alignment' to unsigned.
1563 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1564 int) when comparing against one.
1565 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1567 * fold-const.c (div_and_round_double): Cast BASE to
1568 (HOST_WIDE_INT) when comparing against one.
1570 * gencheck.c: Include gansidecl.h.
1571 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1573 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1574 `tcode' with ATTRIBUTE_UNUSED.
1576 * real.c (edivm): Cast constant value to (unsigned long) in
1577 expression compared against an unsigned value.
1579 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1580 comparing against one.
1581 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1582 when comparing against one.
1584 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1585 (unsigned int) when comparing against one. Likewise for
1587 (smallest_mode_for_size): Likewise.
1588 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1589 (restore_storage_status): Likewise.
1591 * toplev.c (debug_args): Add missing initializer.
1592 (f_options): Spelling correction. Add missing initializers.
1593 (documented_lang_options): Likewise.
1594 (debug_end_source_file): Mark parameter `lineno' with
1597 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1598 `decl' and `type' with ATTRIBUTE_UNUSED.
1600 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1601 when comparing against one.
1602 (assemble_variable): Mark parameter `top_level' with
1604 (assemble_external_libcall): Mark parameter `fun' with
1606 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1609 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1611 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1612 Replace use of r5 with use of r19.
1614 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1616 * config/v850/v850.c (compute_register_save_size): Allow for the
1617 fact that helper functions save all registers, not just those used
1620 Replace constant 31 with macro LINK_POINTER_REGNUM.
1622 * config/v850/v850.md: Use 'indirect_operand' rather than
1623 'memory_operand' for bit test/set/clear patterns.
1625 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1627 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1628 * varasm.c (assemble_start_function et al): Don't call
1629 ASM_GLOBALIZE_LABEL for weak symbols.
1631 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1633 * cse.c (equiv_constant): Check for NULL return from
1634 gen_lowpart_if_possible().
1636 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1638 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1640 * collect2.c (main): Pass -EL/-EB through to the compiler.
1642 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1644 * expr.c (push_block): Handle targets where the stack grows
1645 to higher addresses, but args grow to lower addresses and
1646 ACCUMULATE_OUTGOING_ARGS is not defined.
1648 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1650 * config/v850/v850.c (print_operand): Extend meaning
1651 of 'c' operands to support .vtinherit.
1653 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1655 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1656 Added ATTRIBUTE_UNUSED to unused function arguments.
1657 (rc_reg_operand): New predicate.
1658 (c4x_rptb_insert): New function.
1659 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1660 (c4x_optimization_options): New function.
1662 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1663 (decrement_and_branch_on_count): New pattern.
1664 (rptb_top): Modified pattern to work with BCT optimization.
1666 * config/c4x/c4x.h (RC_REG): New register class.
1667 (rc_reg_operand): Define prototype.
1668 (IS_RC_REG): New macro.
1669 (IS_RC_OR_PSEUDO_REG): New macro.
1670 (IS_RC_OR_PSEUDO_REGNO): New macro.
1671 (OPTIMIZATION_OPTIONS): Define.
1673 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1675 * collect2.c (extract_init_priority): No priority is 65535.
1677 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1679 * Makefile.in (build_tooldir): new variable, same as old
1680 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1681 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1682 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1684 * configure.in (gxx_include_dir): set default based on unlibsubdir
1685 * Makefile.in (tooldir): ditto
1686 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1687 gxx_include_dir, includedir and tooldir
1688 (protoize.o, unprotoize.o): ditto
1690 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1692 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1694 * config/arm/thumb.c (thumb_override_options): Add warning about
1695 PIC code not being supported just yet.
1697 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1699 * flow.c: Update comment.
1700 (notice_stack_pointer_modification): New static function.
1701 (record_volatile_insns): Use it.
1702 (mark_regs_live_at_end): Mark the stack pointer as alive
1703 at the end of the function if current_function_sp_is_unchanging
1705 (life_analysis_1): Set current_function_sp_is_unchanging.
1706 * function.c: Define it.
1707 (init_function_start): Initialize it.
1708 * output.h: Declare it.
1709 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1710 the stack pointer as alive at the end of the function if
1711 current_function_sp_is_unchanging is set.
1712 * i386.c (ix86_epilogue): Optimize the restoring
1713 of the stack pointer.
1715 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1717 * version.c: Bump for snapshot.
1719 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1721 * c-pragma.c (handle_pragma_token): If passed a token instead
1722 of a tree, use that as the pack value.
1724 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1726 * flow.c (find_basic_blocks_1): Fix prototype.
1728 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1730 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1731 (struct tree_decl): New fields no_check_memory_usage.
1732 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1733 (init_attributes): Register it as a new attribute.
1734 (decl_attributes): Set flags on functions given that attribute.
1735 * c-decl.c (duplicate_decls): Merge new attribute.
1736 * expr.h (current_function_check_memory_usage): Declare new var.
1737 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1738 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1739 current_function_check_memory_usage.
1740 * function.h: Add field to struct function.
1741 * function.c (current_function_check_memory_usage): Define it.
1742 (push_function_context_to, pop_function_context_from): Save and
1744 (expand_function_start): Set it, based on global flag and function
1747 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1748 check non-automatic variables, to permit detection of writes to
1749 read-only locations in embedded systems without memory management.
1750 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1751 when emitting chkr_set_right_libfunc call, even if the argument is
1752 BLKmode or variable-sized; don't abort.
1754 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1755 symbols in Pmode, not VOIDmode.
1757 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1759 * cppexp.c: When forcing unsigned comparisons, cast both sides
1762 * cpphash.h: Move static declaration of hashtab[]...
1763 * cpphash.c: ...here.
1765 * cpplib.c: Cast difference of two pointers to size_t before
1766 comparing it to size_t. Cast signed to unsigned
1767 before comparing to size_t. (FIXME: struct argdata should use
1768 unsigned buffer sizes.)
1769 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1770 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1771 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1772 size_t before comparison.
1774 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1776 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1777 (find_basic_blocks_1): Similarly.
1778 * output.h (find_basic_blocks): Fix prototype.
1779 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1780 find_basic_blocks anymore.
1782 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1784 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1785 (sbitmap_free, sbitmap_vector_free): New macros.
1786 * output.h (rtl_dump_file): Declare.
1788 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1790 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1792 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1794 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1796 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1797 (divide): Remove unused variable `tmp'.
1798 (si_to_float): Cast numeric constant to (SItype) before comparing
1801 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1803 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1804 * gcc.c (add_preprocessor_option): Correct typo when allocating
1805 memory, sizeof() argument had one too many `*'.
1806 (add_assembler_option): Likewise.
1807 (add_linker_option): Likewise.
1808 * gcov.c (output_data): Likewise.
1809 * local-alloc.c (memref_used_between_p): Likewise.
1810 (update_equiv_regs): Likewise.
1811 * loop.c (strength_reduce): Likewise.
1812 * reg-stack.c (record_asm_reg_life): Likewise.
1813 (subst_asm_stack_reg): Likewise.
1814 * reorg.c (dbr_schedule): Likewise.
1816 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1818 * flow.c (life_analysis_1): Break out some functions.
1819 (find_basic_blocks_1): Likewise. Also move some variables out and
1821 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1822 new static var nonlocal_label_list with it.
1823 (active_eh_region, nested_eh_region, label_value_list,
1824 nonlocal_label_list): New static variables.
1825 (make_edges, delete_unreachable_blocks, delete_block): New static
1826 functions, broken out of find_basic_blocks_1.
1827 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1828 noop_move_p): New static functions, broken out of life_analysis_1.
1830 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1832 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1833 Take extra care for op0 now possibly being a subreg.
1834 (extract_bit_field): Likewise.
1835 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1836 the reg to memory if there is no equal sized integral mode.
1837 * stor-layout.c (int_mode_for_mode): New function.
1838 * machmode.h: Prototype it.
1840 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1842 * global.c (build_insn_chain): Verify no real insns exist past the
1843 end of the last basic block, then exit the loop.
1845 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1847 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1849 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1851 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1853 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1855 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1857 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1859 * flow.c (find_basic_blocks): Correctly determine when a call
1860 is within an exception region.
1862 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1864 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1866 * cpplib.h: Protect from multiple inclusions.
1867 * cpplib.c: Fix minor formatting problems.
1869 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1871 * jump.c (jump_optimize): Revert accidental patch.
1873 * Makefile.in (cpplib.o): Use unlibsubdir.
1875 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1877 * loop.c (get_condition): Allow combine when either compare is
1880 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1882 * version.c: Bump for snapshot.
1884 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1886 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1887 (init_lex): Initialize ridpointers[RID_BYREF].
1888 * c-lex.h (enum rid): Add RID_BYREF.
1889 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1890 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1891 (encode_type_qualifiers): Similarly
1892 * c-gperf.h: Rebuilt.
1894 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1896 * c-common.c (type_for_mode): Only return TItype nodes when
1897 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1898 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1899 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1900 (init_decl_processing): Only create TItype nodes when
1901 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1902 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1903 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1905 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1907 * stmt.c (n_occurrences): New static function.
1908 (expand_asm_operands): Verify that all constrains match in the
1909 number of alternatives.
1910 Verify that '+' or '=' are at the beginning of an output constraint.
1911 Don't allow '&' for input operands.
1912 Verify that '%' isn't written for the last operand.
1913 * reload.c (find_reloads): Abort if an asm is found with invalid
1914 constraints; all possible problems ought to be checked for earlier.
1916 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1918 * flags.h (flag_branch_on_count_reg): Always declare
1919 * toplev.c (flag_branch_on_count_reg): Likewise.
1920 * toplev.c: Fix typos.
1922 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1925 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
1927 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
1929 (find_basic_blocks_1): Add a nop to the end of a basic block when
1930 a trailing call insn does not have abnormal control flow.
1931 * gcse.c (pre_transpout): New variable.
1932 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
1933 (compute_pre_transpout): Calculate it.
1934 (compute_pre_ppinout): Use it to eliminate impossible placements
1935 due to abnormal control flow through calls.
1936 (compute_pre_data): Call compute_pre_transpout.
1938 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1940 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
1942 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
1944 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
1945 and matching define_insns): Tack on a `use' of the table label, so
1946 flow analysis will recognize a tablejump.
1948 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
1950 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
1951 always end basic blocks for abnormal edge reasons.
1953 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
1955 * config/i386/i386.h: Remove definition of
1956 HANDLE_PRAGMA_PACK_PUSH_POP.
1958 * config/i386/go32.h: Add definition of
1959 HANDLE_PRAGMA_PACK_PUSH_POP.
1961 * config/i386/win32.h: Add definition of
1962 HANDLE_PRAGMA_PACK_PUSH_POP.
1964 * config/i386/cygwin32.h: Add definition of
1965 HANDLE_PRAGMA_PACK_PUSH_POP.
1967 * c-pragma.c (insert_pack_attributes): Do not insert
1968 attributes unless #pragma pack(push,<n>) is in effect.
1970 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
1972 * expr.c (emit_group_store): Handle a PARALLEL destination.
1974 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
1976 * gcse.c (pre_insert_insn): When a call ends a bb, insert
1977 the new insns before the argument regs are loaded.
1979 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1981 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
1982 (c-parse.gperf): Update comments describing invocation flags.
1983 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
1985 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
1987 * reload1.c (reload): Call free before clobbering the memory
1988 locations or constants pointers.
1990 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1992 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
1993 for efficiency by checking whether we need to modify the current
1994 stack permission at all.
1995 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
1996 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
1997 __enable_execute_stack libcall here too if
1998 TRANSFER_FROM_TRAMPOLINE is defined.
1999 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2002 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2004 * Makefile.in (DRIVER_DEFINES): Remove last change.
2006 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2008 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2009 insns we're going to copy.
2010 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2012 * loop.c (count_one_set): Add prototype.
2014 * caller-save.c (restore_referenced_regs): Lose mode argument.
2015 (insert_save): Lose mode argument.
2016 (insert_restore): Lose mode argument.
2017 (insert_one_insn): Lose mode argument.
2018 (save_call_clobbered_regs): Lose mode argument.
2019 (setup_save_areas): Take no argument and return void. All callers
2021 Don't verify validity of memory addresses.
2022 * reload.h (setup_save_ares): Adjust prototype.
2023 (save_call_clobbered_regs): Likewise.
2024 * reload1.c (delete_caller_save_insns): New function.
2025 (caller_save_spill_class): Delete variable.
2026 (caller_save_group_size): Delete variable.
2027 (reload): Call setup_save_areas and save_call_clobbered_regs
2028 in the main loop, before calling calculate_needs_all_insns.
2029 Don't call save_call_clobbered_regs after the loop.
2030 Call delete_caller_save_insns at the end of an iteration if
2032 Delete code to manage caller_save_spill_class.
2033 Emit the final note before setting reload_first_uid.
2034 Simplify test that determines whether reload_as_needed gets run.
2035 (calculate_needs): Delete code to manage caller_save_spill_class.
2037 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2039 * collect2.c (main): Initialize ld_file_name.
2041 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2043 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2044 check for flag_function_sections.
2046 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2048 * cse.c (insert_regs): Fix bug in Sep 24 change.
2050 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2052 * flags.h (flag_dump_unnumbered): Declare.
2053 * toplev.c (flag_dump_unnumbered): Don't declare.
2054 * print-rtl.c (flags.h): Include.
2055 (print_rtl_single): Add return value.
2056 * rtl.h (print_rtl_single): Update declaration.
2057 * flow.c (flag_dump_unnumbered): Don't declare.
2058 (print_rtl_with_bb): Use return value of print_rtl_single.
2060 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2062 * loop.c (count_one_set): New static function, broken out of
2064 (count_loop_regs_set): Call it.
2065 * global.c (mark_reg_store): Handle clobbers here by not calling
2067 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2068 is in fact a clobber.
2069 * integrate.c (process_reg_param): New function, broken out of
2070 expand_inline_function.
2071 (expand_inline_function): Call it.
2074 * i386.md (addsidi3_1): Delete unused variable temp.
2075 (addsidi3_2): Likewise.
2076 (clstrstrsi): Delete unused variable addr1.
2078 * rtl.h: Don't declare any functions also declared in recog.h.
2080 * Makefile.in (stupid.o): Update dependencies.
2081 (global.o): Likewise.
2083 * global.c: Include reload.h
2084 (reg_becomes_live): New function.
2085 (reg_dies): New function.
2086 (build_insn_chain): New function.
2087 (global_alloc): Call build_insn_chain before calling reload.
2089 * reload.h (struct needs): New structure definition.
2090 (struct insn_chain): Likewise.
2091 (reload_insn_chain): Declare variable.
2092 (new_insn_chain): Declare function.
2095 * reload1.c (reload_startobj): New variable.
2096 (reload_insn_chain): New variable.
2097 (unused_insn_chains): New variable.
2098 (new_insn_chain): New function.
2099 (init_reload): Initialize reload_startobj, not reload_firstobj.
2100 (reload): Initialize reload_firstobj.
2101 Before returning, free everything on the reload_obstack.
2103 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2104 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2105 current_chain): New variables.
2106 (reg_where_born): Delete variable.
2107 (REG_WHERE_BORN): New macro.
2108 (find_clobbered_regs): New function.
2109 (stupid_life_analysis): Don't allocate/free reg_where_born.
2110 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2111 reg_where_dead_chain.
2112 Use REG_WHERE_BORN instead of reg_where_born.
2113 While processing the insns, build the reload_insn_chain with
2114 information about register lifetimes.
2115 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2116 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2118 Compute and information about birth and death of pseudo registers in
2119 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2120 Delete code to set elements of reg_where_born.
2122 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2124 * tree.def (GOTO_EXPR): Modified documentation.
2125 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2128 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2130 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2131 loop_final_value, loop_comparison_code): No longer static.
2132 (unroll_loop): Delete loop_start_value update.
2133 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2134 loop_final_value, loop_comparison_code): Extern.
2135 (loop_start_value): Delete extern.
2136 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2137 loop_comparison_value, loop_comparison_code): Delete.
2138 (loop_optimize): Remove initialization for deleted variables.
2139 (strength_reduce): Delete analyze_loop_iterations call. Only call
2140 insert_bct if flag_branch_count_on_reg set.
2141 (analyze_loop_iterations): Delete.
2142 (insert_bct): Remove iteration count calculation. Move checks for
2143 viable BCT optimization to here. Obtain iteration count from
2144 loop_iterations and correct for unrolling. Check for enough
2145 iteration to be beneficial. Comment out runtime iteration count
2147 (insert_bct): Print iteration count in dump file. Remove
2148 loop_var_mode and use word_mode directly.
2150 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2151 * rs6000.c (rs6000_override_options): Use it.
2152 (optimization_options): Enable use of flag_branch_on_count_reg.
2153 * rs6000.md (define_function_unit): Describe 604e.
2155 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2157 * loop.c (move_movables): Corrected threshold calculation for
2158 moved_once registers.
2160 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2162 * loop.c (combine_givs_p): Fix test for identical givs.
2164 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2166 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2167 call abort if the function is already defined.
2169 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2171 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2172 truncation is not a no-op.
2174 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2176 * version.c: Bump for snapshot.
2178 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2180 * version.c: Bump for snapshot.
2182 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2184 * expmed.c (expand_divmod): Don't widen for computing remainder
2185 if we seem to have a divmod pattern for needed mode.
2187 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2189 * cpplib.c (macroexpand): Correct off-by-one error in handling
2192 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2194 * combine.c (expand_field_assignment): Don't do bitwise operations
2195 on MODE_FLOAT; pun to MODE_INT if possible.
2197 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2198 scott snyder <snyder@d0sgif.fnal.gov>
2200 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2201 linker. Recognize mangled names in quotes.
2203 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2205 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2206 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2207 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2208 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2210 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2212 * function.c (purge_addressof_1): If trying to take a sub-word
2213 integral piece of a floating point mode, put it on the stack.
2215 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2217 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2219 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2221 * PROJECTS: Remove template friends.
2223 * collect2.c (sort_ids): Remove unused variable.
2225 * tm.texi (MATH_LIBRARY): Document.
2226 (NEED_MATH_LIBRARY): Remove.
2228 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2229 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2231 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2233 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2234 last_end to 0x7fffffff.
2236 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2238 * function.c (purge_addressof_1): Do not perform endianness
2239 corrections on bitpos, who we call will do it for us.
2241 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2243 * h8300.c (WORD_REG_USED): Fix typo.
2244 (initial_offset): Use WORD_REG_USED.
2246 * h8300.c (handle_pragma): Fix typo.
2248 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2250 * caller-save.c (insert_save_restore): Break this function up
2251 into new functions insert_restore, insert_save and insert_one_insn.
2252 All callers changed.
2253 (insert_restore): New function, mostly broken out of
2254 insert_save_restore.
2255 (insert_save): Likewise.
2256 (insert_one_insn): Likewise.
2257 (restore_referenced_regs): New argument BLOCK. All callers changed.
2258 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2259 in this function, do it in insert_one_insn instead.
2261 * reload1.c (reload): Break out some more pieces into separate
2263 (dump_needs): New function, broken out of reload.
2264 (set_initial_elim_offsets): Likewise.
2265 (init_elim_table): Likewise.
2266 (update_eliminables): Likewise.
2268 * global.c (global_alloc): Delete code to manage the scratch_list.
2269 * local-alloc.c (qty_scratch_rtx): Delete.
2270 (scratch_block): Delete.
2271 (scratch_list): Delete.
2272 (scratch_list_length): Delete.
2273 (scratch_index): Delete.
2274 (alloc_qty_for_scratch): Delete.
2275 (local-alloc): Update initialization of max_qty.
2276 Delete code to manage the scratch list.
2277 Delete code to allocate/initialize qty_scratch_rtx.
2278 (block_alloc): Don't allocate quantities for scratches.
2279 Delete code to manage the scratch list.
2280 * regs.h (scratch_list): Delete declaration.
2281 (scratch_block): Delete declaration.
2282 (scratch_list_length): Delete declaration.
2283 * reload1.c (reload): Delete code to manage the scratch list.
2284 (spill_hard_reg): Likewise.
2285 (mark_scratch_live): Delete.
2287 * recog.c (alter_subreg): Delete declaration.
2289 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2291 * Makefile.in (cccp.o): Fix typo in last patch.
2293 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2295 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2296 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2298 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2300 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2301 NULL_RTX as an argument.
2303 * Makefile.in (unlibsubdir): Define.
2304 (DRIVER_DEFINES): Use unlibsubdir.
2305 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2306 (stmp-fixinc): Similarly.
2308 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2310 * regmove.c (regmove_optimize): Add variable old_max_uid.
2311 At the end of the function, update basic_block_end.
2313 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2315 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2316 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2319 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2321 * config/arm/arm.c: Improve interworking support.
2323 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2325 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2326 copied from reload_out[r] .
2328 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2330 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2331 with more than three size ranges.
2333 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2335 * rtl.c (mode_name): Add a null string at the end of the array.
2336 (mode_wider_mode): Change type to unsigned char.
2337 (mode_mask_array): New variable.
2338 (init_rtl): Update for mode_wider_mode type change.
2340 * rtl.h (mode_wider_mode): Change type to unsigned char.
2341 (mode_mask_array): Declare.
2342 (GET_MODE_MASK): Use mode_mask_array.
2344 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2346 * calls.c (expand_call) : Encapsulate code into
2347 copy_blkmode_from_reg.
2348 * expr.c (copy_blkmode_from_reg): New function.
2349 * expr.h (copy_blkmode_from_reg): New function.
2350 * integrate.c (function_cannot_inline_p): We can inline
2352 (expand_inline_function): Use copy_blkmode_from_reg
2353 if needed. Avoid creating BLKmode REGs.
2354 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2357 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2359 * config/v850/v850.c: Add function prototypes.
2360 Add support for v850 special data areas.
2362 * config/v850/v850.h: Add support for v850 special data areas.
2364 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2365 HANDLE_PRAGMA_PACK_PUSH_POP.
2366 (push_alignment): New function: Cache an alignment requested
2367 by a #pragma pack(push,<n>).
2368 (pop_alignment): New function: Pop an alignment from the
2370 (insert_pack_attributes): New function: Generate __packed__
2371 and __aligned__ attributes for new decls whilst a #pragma pack
2373 (add_weak): New function: Cache a #pragma weak directive.
2374 (handle_pragma_token): Document calling conventions. Add
2375 support for #pragma pack(push,<n>) and #pragma pack (pop).
2377 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2378 are defined enable HANDLE_PRAGMA_PACK.
2379 Move 'struct weak_syms' here (from varasm.c).
2380 Add pragma states for push and pop pragmas.
2382 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2385 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2386 HANDLE_GENERIC_PRAGMAS.
2388 * varasm.c: Move definition of 'struct weak_syms' into
2390 (handle_pragma_weak): Deleted.
2392 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2394 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2396 * c-decl.c (start_function): Add invocation of
2397 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2399 * tm.texi: Remove description of non-existant macro
2400 SET_DEFAULT_SECTION_NAME.
2402 (HANDLE_SYSV_PRAGMA): Document.
2403 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2405 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2407 * config.sub: Recognize i[34567]86-pc-udk as new target.
2408 * configure.in: Likewise.
2409 * config/i386/t-udk: New file.
2410 * config/i386/udk.h: New file.
2412 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2414 * reorg.c (check_annul_list_true_false): Remove unused variables.
2415 (steal_delay_list_from_target): Add missing "used_annul" variable.
2416 (try_merge_delay_insns): Close out half formed comment.
2418 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2420 * cpplib.c (macroexpand): If arg->raw_before or
2421 arg->raw_after, remove any no-reexpansion escape at the
2422 beginning of the pasted token. Correct handling of whitespace
2423 markers and no-reexpand markers at the end if arg->raw_after.
2425 * toplev.c (documented_lang_options): Recognize -include,
2426 -imacros, -iwithprefix, -iwithprefixbefore.
2427 * cpplib.c (cpp_start_read): Process -imacros and -include
2428 switches at the same time and in command-line order, after
2429 initializing the dependency-output code. Emit properly nested
2430 #line directives for them. Emit a #line for the main file
2431 before processing these switches, and don't do it again
2434 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2436 * function.c (purge_addressof_1): Use bitfield manipulation
2437 routines to handle mem mode < reg mode.
2439 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2441 * reorg.c (try_merge_delay_insns): Account for resources referenced
2442 in each instruction in INSN's delay list before trying to eliminate
2443 useless instructions. Similarly when looking at a trial insn's delay
2446 * reorg.c (check_annul_list_true_false): New function.
2447 (steal_delay_list_from_{target,fallthrough}): Call it and also
2448 refine tests for when we may annul if already filled a slot.
2449 (fill_slots_from_thread): Likewise.
2450 (delete_from_delay_slot): Return newly-created thread.
2451 (try_merge_delay_isns): Use its new return value.
2453 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2455 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2456 used to compute a giv or as some other non-counting use.
2458 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2460 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2461 * local-alloc.c (find_free_reg): Use it.
2462 * global.c (find_reg): Likewise.
2463 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2465 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2466 * caller-save.c (init_caller_save): Use it.
2467 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2469 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2471 * configure.in: Add --enable-cpplib option which uses cpplib
2472 for cpp, but doesn't link cpplib into cc1. Make help text
2473 capitalization consistent.
2474 * configure: Rebuilt.
2476 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2478 * function.c (gen_mem_addressof): If the address REG is
2479 REG_USERVAR_P make the new REG be so also.
2480 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2481 in an attempt to clarify slightly.
2483 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2485 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2486 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2488 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2490 * toplev.c: Fix last patch.
2492 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2494 * loop.c (get_condition): Fix typo in May 9 change.
2496 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2498 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2500 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2502 * toplev.c (documented_lang_options): Spelling corrections.
2504 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2506 * configure.in: new flags --with-ld and --with-as, equivalent
2507 to setting LD and AS environment variables. Test whether
2508 specified arguments are GNU commands, and report them with
2509 checking messages. Use the specified AS for configure
2512 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2514 * gcc.c (find_a_file): when looking for `as' and `ld', return
2515 the DEFAULT program if it exists
2516 * collect2.c (main): use DEFAULT_LINKER if it exists
2518 * gcc.c (find_a_file): the test for existence of a full
2519 pathname was reversed
2521 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2523 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2524 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2526 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2528 * tree.h (TYPE_BINFO): Document.
2530 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2532 * i386-coff.h (dbxcoff.h): Added.
2534 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2536 * toplev.c: fix bad patch around flag_data_sections.
2538 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2540 * reload1.c (reload): Use reload_address_index_reg_class and
2541 reload_address_base_reg_class when setting
2542 caller_save_spill_class. (Patch generated by Jim Wilson:
2545 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2547 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2548 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2549 * expr.c (store_field): Add alias_set parameter. Set the
2550 MEM_ALIAS_SET accordingly, if the target is a MEM.
2551 (expand_assignment): Use it.
2552 (store_constructor_field): Pass 0.
2553 (expand_expr): Likewise.
2555 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2557 * flags.h: Add flag_data_sections.
2558 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2559 (compile_file): Error if flag_data_sections not supported.
2560 * varasm.c (assemble_variable): Handle flag_data_sections.
2561 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2562 * config/mips/elf.h: Likewise.
2563 * config/mips/elf64.h: Likewise.
2564 * invoke.texi: Describe -fdata-sections.
2566 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2568 * invoke.texi (-ffloat-store): Clarify that this option
2569 does not affect intermediate results -- only variables.
2571 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2573 * cpp.texi: Update for Fortran usage from Craig.
2575 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2577 * rs6000.c (function_arg_boundary): Revert accidental change on
2580 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2582 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2583 (output_mi_thunk): Declare.
2585 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2586 (output_function_profiler): Use r12 for temp, instead of r11 so
2587 that we preserve the static chain register.
2589 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2591 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2593 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2595 * sh.c (gen_shl_sext): Fix case 5.
2597 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2599 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2601 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2603 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2604 accessing variables until they are initialized via va_arg().
2606 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2608 * reload1.c (reload_combine): Initialize set before using.
2610 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2612 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2615 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2617 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2618 operand3 with mask before using it. Patch provided by Jim Wilson.
2620 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2622 * config/sparc/sparc.c (function_value): Perform the equivalent of
2623 PROMOTE_MODE for ARCH64.
2624 (eligible_for_epilogue_delay): Allow DImode operations in delay
2625 slot of a return for ARCH64.
2627 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2629 * sh.md (sqrtsf2): Fix mode of sqrt.
2631 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2633 * reload1.c (choose_reload_regs): Also try inheritance when
2634 reload_in is a stack slot of a pseudo, even if we already got a
2637 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2639 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2640 (reload_cse_regs): New function body: call reload_cse_regs_1,
2641 reload_combine, reload_cse_move2add.
2642 When doing expensive_optimizations, call reload_cse_regs_1 a
2643 second time after reload_cse_move2add.
2644 (reload_combine, reload_combine_note_store): New functions.
2645 (reload_combine_note_use): New function.
2646 (reload_cse_move2add, move2add_note_store): New functions.
2648 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2650 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2651 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2653 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2654 more than 3 such reloads.
2656 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2657 RELOAD_FOR_X_ADDR_ADDR reload.
2659 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2661 * expr.c (store_constructor): When initializing a field that is smaller
2662 than a word, at the start of a word, try to widen it to a full word.
2664 * cse.c (cse_insn): When we are about to change a register,
2665 remove any invalid references to it.
2667 (remove_invalid_subreg_refs): New function.
2668 (mention_regs): Special treatment for SUBREGs.
2669 (insert_regs): Don't strip SUBREG for call to mention_regs.
2670 Check if reg_tick needs to be bumped up before that call.
2671 (lookup_as_function): Try to match known word_mode constants when
2672 looking for a norrower constant.
2673 (canon_hash): Special treatment for SUBREGs.
2675 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2677 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2678 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2679 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2680 and offsets in actual stack trampoline code so they match the
2681 commentary and actually work.
2683 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2685 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2687 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2688 tmake_file. Set extra_parts to needed crt objects.
2689 * configure: Rebuilt.
2690 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2691 (TARGET_DEFAULT): Set if default is v9 or ultra.
2692 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2693 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2694 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2695 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2696 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2697 (TARGET_VERSION): Define.
2698 (MULTILIB_DEFAULT): Define.
2699 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2700 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2701 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2703 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2704 * config/sparc/sparc.c (sparc_override_options): If arch and
2705 pointer size disagree, emit diagnostic and fix it up. If
2706 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2707 V8PLUS in 64-bit mode.
2708 * config/sparc/t-linux64: New file.
2709 * config/sparc/t-sol2-64: New file.
2710 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2711 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2712 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2713 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2714 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2715 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2717 (STARTFILE_SPEC): Set approriately based upon those.
2718 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2719 disposition of DEFAULT_ARCH32_P.
2720 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2721 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2722 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2723 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2724 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2726 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2728 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2730 * rtl.h (init_virtual_regs): New function.
2731 * emit-rtl.c (init_virtual_regs): Define.
2732 (insn_emit): Use it.
2733 * integrate.c (save_for_inline_copying): Likewise.
2735 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2737 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2738 (enum reg_class): Add NONARG_LO_REGS support.
2739 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2740 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2741 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2742 completes. Re-enable HImode REG+OFFSET addresses.
2743 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2745 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2747 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2749 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2750 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2751 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2753 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2755 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2756 jumps as a single entity, taking into account the size of the
2759 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2761 * tree.def (SWITCH_EXPR): New tree node definition.
2763 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2765 * version.c: Bump for snapshot.
2767 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2769 * version.c: Bump for snapshot.
2771 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2773 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2776 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2778 * Revert this patch.
2779 * reload.c (find_reloads): Do not replace a pseudo with
2780 (MEM (reg_equiv_addr)) in the initializing insn for the
2783 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2785 * final.c (final_scan_insn): Disable tracking CC across branches.
2787 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2789 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2790 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2791 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2792 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2793 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2795 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2797 * toplev.c (rest_of_compilation): Skip compiling anything with
2798 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2800 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2802 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2803 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2804 use in_libcall_block.
2805 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2806 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2809 Mon Sep 21 14:02:23 1998
2811 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2812 typo in no-fancy-math-387 description.
2814 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2816 * version.c: Bump for snapshot.
2818 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2820 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2822 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2824 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2825 documented in install.texi.
2826 (TARGET_OPTIONS) Likewise.
2828 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2830 * version.c: Bump for snapshot.
2832 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2834 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2835 * cccp.c (main): Likewise.
2837 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2838 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2841 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2843 * Makefile.in (LIBS): Link in libiberty.a.
2844 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2846 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2848 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2849 it to update bb boundaries. Update caller.
2850 * function.c (reposition_prologue_and_epilogue_notes): Update
2851 bb boundaries wrt the moved note.
2853 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2855 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2857 * configure: Regenerate.
2859 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2861 * alpha.c (alpha_sr_alias_set): New variable.
2862 (override_options): Set it.
2863 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2864 (mode_mask_operand): Fix signed-unsigned comparision warning.
2865 (alpha_expand_block_move): Likewise.
2866 (print_operand): Likewise.
2867 (get_aligned_mem): Use change_address.
2868 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2869 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2870 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2871 (alpha_align_insns): Remade from old alphaev5_align_insns
2872 to handle multiple processors.
2873 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2874 * output.h (label_to_alignment): Prototype.
2876 * tree.c (new_alias_set): New function.
2877 * tree.h (new_alias_set): Declare it.
2878 * c-common.c (c_get_alias_set): Use it.
2880 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2882 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2883 to an ABS expr, convert an unsigned input to signed.
2885 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2887 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2889 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2891 * configure.in: Add support for c4x targets.
2892 * configure: Rebuilt.
2894 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2896 * combine.c (distribute_notes): If an insn is a cc0 user, only
2897 delete it if we can also delete the cc0 setter.
2899 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2901 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2902 (invert_truthvalue): Enable truthvalue inversion for
2903 floating-point operands if -ffast-math.
2905 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2907 * configure.in: Disable collect2 for nextstep. Instead use
2909 * configure: Rebuilt.
2910 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2911 (ENDFILE_SPEC): Define.
2912 (OBJECT_FORMAT_MACHO): Define.
2913 (EH_FRAME_SECTION_ASM_OP): Define.
2914 * crtstuff.c: Handle MACHO.
2916 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2918 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2920 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2922 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2923 (_fpadd_parts): Get sign right for 0.
2925 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2927 * ginclude/varargs.h: Add support for C4x target.
2928 * ginclude/stdargs.h: Likewise.
2930 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
2932 * alpha.c (alpha_return_addr): SET should be VOIDmode.
2933 (alpha_emit_set_long_const): Rewrite to be callable from reload
2935 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
2936 * alpha.md (movdi): Likewise.
2938 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
2940 * arm.c (add_constant): New parameter address_only, change caller.
2941 Set it non-zero if taking the address of an item in the pool.
2942 (arm_reorg): Handle cases where we need the address of an item in
2945 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
2947 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
2948 memory addresses that are not in standard canonical form.
2950 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
2952 * README.C4X: New file with information about the c4x ports.
2953 * ginclude/va-c4x.h: New file for c4x varargs support.
2954 * config/c4x: New directory with c4x port files.
2956 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
2958 * reload.c (find_reloads): Do not replace a pseudo with
2959 (MEM (reg_equiv_addr)) in the initializing insn for the
2962 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
2964 * toplev.c (rest_of_compilation): Set bct_p on second call to
2966 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
2968 (strength_reduce): Only call analyze_loop_iterations and
2969 insert_bct if bct_p set.
2970 (check_dbra_loop): Fix typo.
2971 (insert_bct): Use word_mode instead of SImode.
2972 (instrument_loop_bct): Likewise. Do not delete iteration count
2973 condition code generation insn. Initialize iteration count before
2975 * rtl.h (loop_optimize): Update prototype.
2977 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
2978 not doubleword aligned.
2980 * rs6000.c (optimization_options): New function.
2981 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
2982 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
2983 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
2984 first; cr1 can be used for FP record condition insns.
2986 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
2988 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
2991 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
2994 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
2996 (block_move_call): New function: Call a library routine to copy a
2998 (m32r_expand_block_move): New function: Expand a "movstrsi"
2999 pattern into a sequence of insns.
3000 (m32r_output_block_move): New function: Expand a
3001 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3002 (m32r_block_immediate_operand): New function: Return true if the
3003 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3005 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3007 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3009 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3011 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3013 * regmove.c (copy_src_to_dest): Check that modes match.
3015 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3017 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3019 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3021 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3022 narrower than FLOAT_REGS.
3024 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3026 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3028 * Makefile.in (old_gxx_include_dir): removed
3030 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3032 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3035 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3036 (sh_handle_pragma): Change function arguments to match new
3037 specification for HANDLE_PRAGMA.
3039 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3041 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3043 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3044 When generating output, initialize missing struct member to zero.
3046 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3048 * regmove.c (copy_src_to_dest): Don't copy if that requires
3049 (a) new register(s).
3051 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3053 * global.c (reg_allocno): Now static.
3054 * reload1.c (reg_allocno): Delete declaration.
3055 (order_regs_for_reload): Take no arguments. Don't treat regs
3056 allocated by global differently than those allocated by local-alloc.
3058 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3060 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3061 condition, fix format strings.
3062 (output_function_epilogue): Likewise.
3064 * m68k/m68k.c: Don't include <stdlib.h> directly.
3066 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3068 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3069 mem_first_set, mem_last_set; because 0 can be a CUID.
3070 (oprs_unchanged_p): Use new definition.
3071 (record_last_reg_set_info): Likewise.
3072 (record_last_mem_set_info): Likewise.
3073 (compute_hash_table): Likewise.
3075 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3077 * rs6000.c (output_epilogue): Handle Chill.
3079 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3080 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3082 * combine.c (make_extraction): If no mode is specified for
3083 an operand of insv, extv, or extzv, default it to word_mode.
3084 (simplify_comparison): Similarly.
3085 * expmed.c (store_bit_field): Similarly.
3086 (extract_bit_field): Similarly.
3087 * function.c (fixup_var_regs_1): Similarly.
3088 * recog.c (validate_replace_rtx_1): Similarly.
3089 * mips.md (extv, extzv, insv expanders): Default modes for most
3090 operands. Handle TARGET_64BIT.
3091 (movdi_uld, movdi_usd): New patterns.
3093 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3094 equivalent memory location unless we have been provided a scratch
3095 register. Similarly do not call find_replacement unless a
3096 scratch register has been provided.
3098 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3100 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3103 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3105 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3106 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3107 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3108 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3109 * c-decl.c (init_decl_processing): Update accordingly.
3110 * expr.c (expand_builtin): Likewise.
3112 * rtl.h (global_rtl): Add cfa entry.
3113 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3114 (LAST_VIRTUAL_REGISTER): Update.
3115 * emit-rtl.c (global_rtl): Add cfa entry.
3116 (init_emit): Initialize it.
3117 * function.c (cfa_offset): New.
3118 (instantiate_virtual_regs): Initialize it.
3119 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3120 (expand_function_end): Call expand_eh_return.
3121 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3123 * except.c (current_function_eh_stub_label): Kill.
3124 (current_function_eh_old_stub_label): Likwise; update all references.
3125 (expand_builtin_set_return_addr_reg): Kill.
3126 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3127 (expand_builtin_set_eh_regs): Kill.
3128 (eh_regs): Produce a third reg for the actual handler address.
3129 (eh_return_context, eh_return_stack_adjust): New.
3130 (eh_return_handler, eh_return_stub_label): New.
3131 (init_eh_for_function): Initialize them.
3132 (expand_builtin_eh_return, expand_eh_return): New.
3133 * except.h: Update prototypes.
3134 * flow.c (find_basic_blocks_1): Update references to the stub label.
3135 * function.h (struct function): Kill stub label elements.
3137 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3138 register number is one that would be in the previous window.
3139 Provide a dummy definition for non-windowed targets.
3140 (get_reg_addr): New function.
3141 (get_reg, put_reg, copy_reg): Use it.
3142 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3143 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3145 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3146 (alpha_init_expanders): Initialize it.
3147 (alpha_expand_epilogue): Use it.
3148 * alpha.h: Declare it.
3149 * alpha.md (eh_epilogue): New.
3151 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3152 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3154 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3156 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3159 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3161 * except.h (struct eh_entry): Add false_label field.
3162 (end_catch_handler): Add prototype.
3163 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3164 (start_catch_handler): When using old style exceptions, issue
3165 runtime typematch code before continuing with the handler.
3166 (end_catch_handler): New function, generates label after handler
3167 if needed by older style exceptions.
3168 (expand_start_all_catch): No need to check for new style exceptions.
3169 (output_exception_table_entry): Only output the first handler label
3170 for old style exceptions.
3171 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3172 mechanism into one function, if a runtime matcher is provided.
3174 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3176 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3178 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3180 * integrate.c (copy_decl_list): Fix typo.
3182 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3184 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3187 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3189 * version.c: Bump for snapshot.
3191 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3193 * version.c: Bump for snapshot.
3195 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3197 * version.c: Bump for snapshot.
3199 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3201 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3203 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3205 * configure.in: remove usage of `!' to negate the result of a
3206 command; some common shells do not support it
3208 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3210 * configure.in: in sparc9-sol2 config, use 'if test' not
3212 * configure: Rebuilt.
3214 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3216 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3217 (CPP_CPU_DEFAULT_SPEC): Likewise.
3218 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3219 for arch64 libfuncs.
3221 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3224 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3226 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3228 * collect2.c: Don't declare `sys_siglist' here.
3229 (my_strsignal): Prototype and define new function. Use it in
3230 place of `sys_siglist' hacks.
3232 * mips_tfile.c: Likewise.
3234 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3235 (GCC_NEED_DECLARATIONS): Likewise.
3237 * system.h (strsignal): Prototype it, if necessary.
3238 (sys_siglist): Declare it, if necessary.
3240 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3242 * loop.c (move_movables): While removing insn sequences, preserve
3243 the next pointer of the most recently deleted insn when we skip
3246 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3248 * objc/config-lang.in: Do not output the name of the selected
3249 thread file when building the front-end. The Makefile for the
3250 runtime library will do this.
3252 * objc/Make-lang.in: Do not build the runtime library or install
3253 the Objective C header files. The Makefile for the runtime
3254 library will do this.
3256 * objc/Makefile.in (all.indirect): Only build the front-end.
3257 (compiler): Rename to `frontend'.
3258 (obj-runtime): Remove target.
3259 (copy-headers): Likewise.
3260 (clean): No need to remove `libobjc.a' any longer.
3262 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3264 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3265 supported with -mcpu=xxx.
3267 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3269 * flow.c (mark_set_1): Recognize multi-register structure return
3270 values in CALL insns.
3271 (mark_used_regs): Likewise.
3272 (count_reg_sets_1): Likewise.
3273 (count_reg_references): Likewise.
3274 * rtlanal.c (note_stores): Likewise.
3275 (reg_overlap_mentioned_p): Likewise.
3276 * haifa-sched.c (check_live_1): Likewise.
3277 (update_live_1): Likewise.
3278 (sched_analyze_1): Likewise.
3279 (sched_note_set): Likewise.
3280 (birthing_insn_p): Likewise.
3281 (attach_deaths): Likewise.
3283 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3286 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3288 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3290 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3292 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3294 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3296 * configure.in: Add check for GAS subsection -1 support.
3297 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3298 * configure config.in: Rebuilt.
3299 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3300 SImode is subsection -1 works, else use DImode.
3301 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3302 subsection -1 works.
3303 * config/sparc/sparc.c (sparc_output_addr_vec,
3304 sparc_output_addr_diff_vec): Use them if defined.
3306 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3308 * tree.h (DECL_ORIGIN): New macro.
3309 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3310 (copy_decl_list): Use it.
3311 (integrate_parm_decls): Likewise.
3312 (integrate_decl_tree): Likewise.
3313 * dwarf2out.c (decl_ultimate_origin): Simplify.
3314 * dwarfout.c (decl_ultimate_origin): Likewise.
3315 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3316 (pushdecl): Likewise.
3318 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3320 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3322 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3324 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3326 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3328 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3329 empty or has a single entry.
3331 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3332 before calling reg_to_stack.
3334 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3336 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3337 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3339 * c-tree.h (warn_long_long): Declare it.
3341 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3343 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3344 initialized float-int union if the value is a NaN.
3346 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3348 * c-lex.c (real_yylex): Don't warn about long long constants if
3349 we're allowing long long
3351 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3353 * except.h (current_function_eh_stub_label): Declare.
3354 (current_function_eh_old_stub_label): Declare.
3355 * function.h (struct function): New members eh_stub_label and
3357 * except.c (current_function_eh_stub_label): New variable.
3358 (current_function_eh_old_stub_label): New variable.
3359 (init_eh_for_function): Clear them.
3360 (save_eh_status): Save them.
3361 (restore_eh_status): Restore them.
3362 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3363 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3364 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3365 make an edge from the block that contains it to the block starting
3366 with the label if this label is one of the eh stub labels.
3367 If eh stub labels exist, show they are reachable from the last block
3370 * reload1.c (reload): Break out several subroutines and make some
3372 (calculate_needs_all_insns): New function, broken out of reload.
3373 (calculate_needs): Likewise.
3374 (find_reload_regs): Likewise.
3375 (find_group): Likewise.
3376 (find_tworeg_group): Likewise.
3377 (something_needs_reloads): New global variable, formerly in reload.
3378 (something_needs_elimination): Likewise.
3379 (caller_save_spill_class): Likewise.
3380 (caller_save_group_size): Likewise.
3381 (max_needs): Likewise.
3382 (group_size): Likewise.
3383 (max_groups): Likewise.
3384 (max_nongroups): Likewise.
3385 (group_mode): Likewise.
3386 (max_needs_insn): Likewise.
3387 (max_groups_insn): Likewise.
3388 (max_nongroups_insn): Likewise.
3389 (failure): Likewise.
3391 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3393 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3395 * loop.c (load_mems): Copy rtx for output mem.
3397 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3399 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3400 mips1 or mips2 either.
3402 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3404 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3406 (pa_adjust_insn_length): Update to work with new marking scheme
3407 for jumps inside switch tables.
3408 * pa.md (switch_jump): Remove pattern.
3409 (jump): Handle jumps inside jump tables.
3411 * Makefile.in (profile.o): Depend on insn-config.h
3413 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3415 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3417 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3419 Add preliminary native sparcv9 Solaris support.
3420 * configure.in: Recognize sparv9-*-solaris2*
3421 * configure: rebuilt
3422 * config.sub: Recognize sparcv9 just like sparc64.
3423 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3424 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3425 32-bit and 64-bit Solaris systems.
3426 * config/sparc/t-sol2: Assemble those with cpp.
3427 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3428 (*TF*_LIBCALL): If ARCH64 use V9 names.
3429 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3431 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3433 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3434 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3436 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3438 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3439 to Pmode if CASE_VECTOR_MODE is something else.
3441 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3443 * prefix.c (update_path): Correctly handle cases where PATH is
3444 a substring of the builtin prefix, but specifies a different
3447 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3449 * expr.c: Corrected comment about what MOVE_RATIO does.
3450 * config/alpha/alpha.h: Ditto.
3451 * config/1750a/1750a.h: Ditto.
3452 * config/clipper/clipper.h: Ditto.
3453 * config/i386/i386.h: Ditto.
3455 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3457 * configure.in (m68k-next-nextstep3*): Use collect2.
3458 Similarly for x86 NeXT configurations.
3459 * configure: Rebuilt.
3461 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3463 * configure.in: Don't assume srcdir is .../gcc
3464 * configure: Rebuilt.
3466 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3468 * global.c: Update comments.
3469 (global_alloc): Assign allocation-numbers
3470 even for registers allocated by local_alloc in case
3471 they are later spilled and retry_global_alloc is called.
3472 (mark_reg_store, mark_reg_clobber,
3473 mark_reg_conflicts, mark_reg_death): Always record a
3474 conflict with a pseudo register even if it has been
3475 assigned to a hard register.
3476 (dump_conflicts): Don't list pseudo registers already assigned to
3477 a hard register as needing to be allocated, but do list their
3479 * local-alloc.c: Update comment.
3481 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3483 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3484 * configure: Rebuilt.
3486 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3488 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3490 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3491 for all targets that set -msoft-float.
3493 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3495 * toplev.c (print_switch_values): Make static to match prototype.
3497 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3499 * configure.in: If we are unable to find the "gnatbind" program,
3500 then do not configure the ada subdir.
3501 * configure: Rebuilt.
3503 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3505 * version.c: Bump for snapshot.
3507 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3509 * version.c: Bump for snapshot.
3511 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3513 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3514 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3516 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3518 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3520 * genextract.c: Have insn-extract.c include toplev.h.
3522 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3524 * toplev.c: Include expr.h.
3525 (really_sorry, fancy_abort): Remove prototypes.
3526 (set_target_switch): Add argument in prototype.
3527 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3528 (v_really_sorry): Likewise.
3529 (print_version, print_single_switch, print_switch_values): Make
3530 static and add prototype arguments.
3531 (decl_printable_name): Add prototype arguments.
3532 (lang_expand_expr_t): New typedef.
3533 (lang_expand_expr): Declare as a lang_expand_expr_t.
3534 (incomplete_decl_finalize_hook): Add prototype argument.
3535 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3536 (botch): Likewise for variable `s'.
3537 (rest_of_type_compilation): Mark variables `type' and `toplev'
3538 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3539 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3540 (display_help): Make variable `i' an `unsigned long'.
3541 (main): Remove unused parameter `envp'.
3542 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3543 Cast -1 when comparing it with a `size_t'.
3545 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3546 prototype with ATTRIBUTE_NORETURN.
3547 (fatal_insn_not_found, fatal_insn, really_sorry,
3548 push_float_handler, pop_float_handler): Add prototypes.
3549 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3550 (do_abort, botch): Add prototypes.
3552 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3554 * final.c (final): If a label is reached only from a single jump,
3555 call NOTICE_UPDATE_CC on the jump and its predecessor before
3556 emitting the insn after the label.
3558 * i386.h: Add AMD K6 support.
3559 Change TARGET_* macros to use table lookup.
3560 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3561 (ADJUST_COST): Change definition to call function in i386.c.
3562 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3563 * i386.c: Add AMD K6 support.
3564 Add constants for feature tests used by TARGET_* macros.
3565 (split_di): If before reload, call gen_lowpart and gen_highpart.
3566 (x86_adjust_cost): New function.
3567 (put_jump_code): New function.
3568 (print_operand): New codes 'D' and 'd'.
3569 * i386.md: New insn types. New insn attribute "memory".
3570 Redefine scheduling parameters to use new types and add AMD K6
3571 support. Explicitly set type of most insns.
3572 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3573 Pro and K6 prefer movl $1,reg to incl reg.
3574 (adddi3, subdi3): Set cc_status.
3575 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3576 to int; x86 can't have more than 2^31 DImode shifts per file.
3577 (setcc): Combine all setcc patterns. Allow writing memory.
3578 Combine all jump patterns using match_operator.
3579 (*bzero): Name pattern. Emit mutliple stos instructions when that
3580 is faster than rep stos.
3581 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3584 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3586 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3589 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3591 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3592 not whatever we're generating now.
3594 * alpha.c (set_frame_related_p, FRP): New.
3595 (alpha_expand_prologue): Mark frame related insns.
3596 (alpha_expand_epilogue): Likewise, but with a null FRP.
3597 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3598 * alpha.md (exception_receiver): New.
3599 * alpha/crtbegin.asm (.eh_frame): New beginning.
3600 (__do_frame_setup, __do_frame_takedown): New.
3601 * alpha/crtend.asm (.eh_frame): New ending.
3602 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3603 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3604 (ASM_FILE_START): Don't emit .file for dwarf2.
3606 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3607 * rtl.c (reg_note_name): Likewise.
3608 * rtl.texi (REG_NOTES): Likewise.
3609 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3612 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3614 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3615 * i386.md (movsf, movdf, movxf): Validate memory address returned
3616 from force_const_mem. Kill useless REG_EQUAL setting code.
3618 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3620 * m68k.md (zero_extendsidi2): Fix typo.
3622 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3624 * configure.in: Removed references to the removed file
3625 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3626 * arm*-*-netbsd* and ns32k-*-netbsd*.
3627 * config/i386/xm-netbsd.h: Removed unnecessary file.
3628 * config/m68k/xm-netbsd.h: Likewise.
3629 * config/sparc/xm-netbsd.h: Likewise.
3630 * config/mips/xm-netbsd.h: Likewise.
3632 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3634 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3635 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3637 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3638 for exact section attributions.
3640 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3642 * i386/crtdll.h (CPP_PREDEFINES): Define.
3644 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3646 * m68k.md (5200 movqi): Do not allow byte sized memory references
3648 * m68k.c (output_move_qimode): Do not use byte sized operations on
3651 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3652 explicit rules for building. Similarly for alloca, vfprintf,
3653 choose-temp and mkstemp, getopt, getopt1, and obstack.
3654 (INCLUDES): Add $(srcdir)/../include.
3655 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3656 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3658 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3660 * gcc.c (do_spec_1): [case 'o'] Account for
3661 lang_specific_extra_outfiles.
3662 (main): Correctly clear all slots in outfiles for
3663 lang_specific_extra_outfiles. Set input_file_number before
3664 calling lang_specific_pre_link.
3666 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3668 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3670 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3672 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3674 (sparc_output_deferred_case_vectors): If no work to do, return.
3675 Fix thinko in Sept 1 change.
3677 1998-09-03 SL Baur <steve@altair.xemacs.org>
3679 * Makefile.in: add semicolon in BISON definition for portability.
3681 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3683 * config/nextstep.c (handle_pragma): Correct name of third
3686 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3688 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3689 * config/m32r/m32r.h: Make register 17 be fixed.
3690 * config/m32r/m32r.c: Use SImode for cc operations.
3692 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3694 * invoke.texi (Warning Options): Add -Wnon-template-friend
3697 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3699 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3701 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3703 * rs6000.md (movsf): Disable explicit secondary-reload-like
3704 functionality if TARGET_POWERPC64.
3705 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3708 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3710 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3711 and term.h from fixinc.wrap.
3713 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3715 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3716 safe to include both string.h and strings.h together.
3717 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3718 which headers to search for function declarations. Continue to
3719 prefer string.h over strings.h when both are not acceptable.
3721 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3723 * configure.in: Call GCC_HEADER_STRING.
3725 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3726 to include. Continue to prefer string.h over strings.h when both
3729 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3731 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3732 not assume top 32-bits of symbolic addresses are zero if
3735 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3737 * ginclude/va-alpha.h: Protect entire second portion of the
3738 file against double inclusion.
3740 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3742 Added support for the Boehm's garbage collector.
3743 * configure.in: Handle --enable-objc-gc.
3744 * configure: Rebuilt.
3745 * Makefile.in (CHECK_TARGETS): Add check-objc.
3746 (check-objc): New rule.
3747 * objc/Make-lang.in: Build a different Objective-C library that
3748 runs with the Boehm's collector.
3749 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3750 * objc/encoding.c: Correctly compute the size of compound types in
3751 the presence of bitfields. Skip the variable name of the type if
3752 any. Added support for long long.
3753 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3754 (_F_GCINVISIBLE): New mask.
3755 * objc/gc.c: New file. Compute the type memory mask associated with
3756 a class based on the runtime information.
3757 * objc/misc.c: Added the hooks that use the Boehm's collector
3758 allocation functions.
3759 * objc/objc-act.c (build_class_template): Generate a new class
3760 member (gc_object_type) to hold the class' type memory mask.
3761 (build_shared_structure_initializer): Initialize the new member to
3763 (encode_complete_bitfield): New function. Generate the new
3765 (encode_field_decl): Generate the new encoding only for the GNU
3767 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3769 (class_get_gc_object_type): New function to mark a pointer instance
3770 variable as a weak pointer.
3771 * objc/objc-features.texi: New file.
3772 * objc/objc.h (gc_object_type): New class member.
3773 * objc/objects.c (class_create_instance): Create a typed memory
3774 object when compiled with Boehm's collector support.
3775 * objc/sendmsg.c (__objc_init_install_dtable): Call
3776 __objc_send_initialize instead of setting the initialize flag.
3777 (__objc_send_initialize): Call __objc_generate_gc_type_description
3778 to generate the class type memory mask. Rewrite the code that
3779 sends the +initialize so that it is called only once (bug report
3780 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3781 * testsuite/objc: New testsuite for Objective-C type encoding.
3782 * testsuite/lib/objc-torture.exp: New file.
3783 * testsuite/lib/objc.exp: New file.
3785 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3787 * jump.c (jump_optimize): In if/then/else transformations, add
3788 another call to modified_between_p for the jump insn.
3790 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3792 * fix-header.c (symlink): Treat like readlink.
3794 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3796 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3799 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3801 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3802 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3803 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3805 * config/nextstep.c (handle_pragma): Take three arguments, as per
3806 the new HANDLE_PRAGMA macro specification.
3807 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3808 per the new HANDLE_PRAGMA macro specification.
3809 * config/i960/i960.c (process_pragma): Take three arguments, as
3810 per the new HANDLE_PRAGMA macro specification.
3812 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3814 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3815 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3816 if unknown pragmas are encountered.
3817 (handle_sysv_pragma): Interpret return code from
3818 handle_pragma_token (). Return success/failure indication rather
3819 than next unprocessed character.
3820 (pragma_getc): New function: retrieves characters from the
3821 input stream. Defined when HANDLE_PRAGMA is enabled.
3822 (pragma_ungetc): New function: replaces characters back into the
3823 input stream. Defined when HANDLE_PRAGMA is enabled.
3825 * c-pragma.c (handle_pragma_token): Return success/failure status
3828 * c-pragma.h: Change prototype of handle_pragma_token().
3830 * varasm.c: (handle_pragma_weak): Only create this function if
3831 HANDLE_PRAGMA_WEAK is defined.
3833 * c-common,c (decl_attributes): If defined call the expression
3834 contained within the INSERT_ATTRIBUTES macro before adding
3835 attributes to a decl.
3837 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3838 HANDLE_PRAGMA, which takes three arguments.
3839 (INSERT_ATTRIBUTES): Document this new macro.
3841 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3842 new INSERT_ATTRIBUTES macro.
3844 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3846 * config/sparc/sparc.md (movdf): Only generate special RTL for
3847 LABEL_REFs when PIC.
3848 (move_label_di): Remove
3849 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3850 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3851 references when PIC.
3852 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3853 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3854 output an .xword for all 64-bit cases.
3856 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3858 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3859 alignment, use FUNCTION_BOUNDARY instead.
3860 (sparc_output_deferred_case_vectors): Likewise.
3862 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3864 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3865 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3867 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3869 * alpha/va_list.h: New file.
3870 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3872 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3874 * NEWS: Add SCO Openserver and Unixware 7 notes.
3878 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3880 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3881 (record_constant_1): Handle RANGE_EXPR.
3883 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3885 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3886 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3887 and NOTE_INSN_RANGE_END specially.
3888 (reemit_notes): Likewise.
3890 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3892 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3893 (ultrasparc_sched_init): Remove unneeded &.
3895 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3897 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3898 for m68020-60, to prevent the use of fintrz.
3900 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3902 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3904 * Makefile.in: Likewise.
3905 * configure: Regenerated.
3907 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3909 * configure.in (gxx_include_dir): Changed to
3910 '${prefix}/include/g++'-${libstdcxx_interface}.
3911 * configure: Rebuilt.
3913 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3915 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3917 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3918 *sequences* *below* which scalar moves will be used.
3920 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3922 * collect2.c (mktemp): Delete unused declaration.
3924 * config/xm-netbsd.h: Remove unnecessary file.
3925 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
3926 file anymore, it is not needed.
3928 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
3930 * convert.c (convert_to_integer): Issue an error on conversions to
3933 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
3935 * Makefile.in: Add lang_tree_files and gencheck.h.
3936 * configure.in: Generate them.
3937 * gencheck.c: Include gencheck.h.
3939 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3941 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
3942 movdi_lo_sum_pic and movdi_high_pic and make visible.
3943 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
3944 emit these when Pmode is not SImode.
3945 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
3947 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
3949 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
3950 .linkonce directive after the first time.
3952 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
3954 * m68k.md (beq0_di): Generate correct (and more efficient) code when
3955 the clobbered operand overlaps with an input.
3956 (bne0_di): Similarly.
3958 * Makefile.in (INSTALL): Remove "--no-header" argument.
3960 * NEWS: Various updates.
3962 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3964 * config/sparc/sparc.c (arith_operand, const64_operand,
3965 const64_high_operand, arith_double_4096_operand): Mark mode as
3967 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
3969 (sparc_emit_set_const64): Remove unused variable i.
3970 (sparc_splitdi_legitimate): Likewise for addr_part.
3971 (ultra_code_from_mask): Likewise for mask.
3972 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
3973 reverse return values so it matches usage and comments.
3974 (ultra_flush_pipeline): Likewise.
3975 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
3976 this_type, and allow loads and stores of differing FP modes as
3977 they do not create a conflict.
3978 (ultra_find_type): Initialize fpmode to SFmode, fix
3979 parenthesization thinkos in large conditional.
3980 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
3981 Init free_slot_mask after ultra_cur_hist is reset, not before.
3982 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
3983 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
3984 use ultra_flush_pipeline instead, then re-init group pointer.
3985 Fix statement with no effect. If no progress made in, and no
3986 instructions scheduled at all, advance to new pipeline cycle else
3987 we get into an endless loop.
3988 (ultrasparc_adjust_cost): Remove previous arg.
3989 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
3991 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
3993 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
3994 code. Use reg_overlap_mentioned_p to detect when source and
3995 destination overlap.
3996 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
3998 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4000 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4001 COMPARISON_VAL, into invariant_p.
4003 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4005 * regmove.c (regclass_compatible_p): New function.
4006 (regmove_optimize): Use it.
4008 Use NREGS parameter insted of calling max_reg_num.
4010 (fixup_match_1): Don't use code = MINUS when later tieing with
4011 a hard register is likely.
4013 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4015 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4016 COMPARISON_VAL was normalized.
4018 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4020 * loop.c (check_dbra_loop): The loop ending comparison value
4021 must be an invariant or we can not reverse the loop.
4023 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4024 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4026 (load_mems_and_recount_loop_regs_set): Likewise.
4028 * i386.c (print_operand): Remove obsolete 'c' docs.
4030 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4032 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4033 * frame.c (init_object_mutex): New function.
4034 (init_object_mutex_once): Likewise.
4035 (find_fde): Call it.
4036 (__register_frame_info): Likewise.
4037 (__register_frame_info_table): Likewise.
4038 (__deregister_frame_info): Likewise.
4040 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4042 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4044 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4046 * loop.c (check_dbra_loop): Enable code for reversal
4047 of some loops without a known constant loop end.
4049 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4051 * haifa-sched.c (last_clock_var): New.
4052 (schedule_block): Initialize it.
4053 (schedule_insn): Use it to fill insn modes with issue information.
4055 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4056 Tag trapb and next insn with TImode.
4057 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4058 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4059 Invoke alphaev5_align_insns as appropriate.
4060 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4061 (MD_SCHED_VARIABLE_ISSUE): New.
4062 * alpha.md (attr type): Add multi.
4063 (define_asm_attributes): New.
4064 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4065 (arg_home): Likewise.
4066 (fnop, unop, realign): New.
4068 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4070 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4071 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4073 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4074 (rs6000-ibm-aix4.[12]*): Likewise.
4075 * configure: Regnerate.
4077 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4079 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4080 already contains the return address.
4082 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4084 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4085 word sized hunks when loading unaligned args into registers.
4087 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4088 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4090 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4092 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4094 * loop.c (check_dbra_loop): Add some code that would allow reversal
4095 of some loops without a known constant loop end if it were enabled.
4097 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4099 * mips.md (lshrsi3_internal2+2): Fix type-o.
4101 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4103 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4104 correctly with regards to stdio.h.
4106 * calls.c: Remove stdarg.h/varargs.h.
4109 * combine.c: Likewise.
4110 * cpperror.c: Likewise.
4111 * cpplib.c: Likewise.
4112 * cpplib.h: Likewise.
4113 * doprint.c: Likewise.
4114 * emit-rtl.c: Likewise.
4115 * final.c: Likewise.
4116 * fix-header.c: Likewise.
4118 * genattr.c: Likewise.
4119 * genattrtab.c: Likewise.
4120 * gencodes.c: Likewise.
4121 * genconfig.c: Likewise.
4122 * genemit.c: Likewise.
4123 * genextract.c: Likewise.
4124 * genflags.c: Likewise.
4125 * genopinit.c: Likewise.
4126 * genoutput.c: Likewise.
4127 * genpeep.c: Likewise.
4128 * genrecog.c: Likewise.
4129 * mips-tfile.c: Likewise.
4130 * prefix.c: Likewise.
4131 * protoize.c: Likewise.
4132 * regmove.c: Likewise.
4133 * toplev.c: Likewise.
4136 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4138 * config/sparc/sparc.c (sparc_override_options): If not
4139 TARGET_FPU, turn off TARGET_VIS.
4140 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4141 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4142 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4143 (movdi_insn_sp64): Add VIS fzero alternative.
4144 (clear_sf, clear_df): New VIS patterns.
4145 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4147 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4149 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4151 * loop.c (n_times_set, n_times_used, may_not_optimize,
4152 reg_single_usage): Convert to varrays. All uses changed.
4153 (insert_loop_mem): Return a value.
4154 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4155 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4158 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4161 * configure.in: Do not set thread_file to "irix" since no such
4164 * sparc.md (float abs/neg splits): Check reload_completed before
4165 calling alter_subreg.
4167 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4169 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4171 * config/sparc/sparc.h: Declare it.
4172 * config/sparc/sparc.md (float abs/neg splits): Use it.
4173 (all other splits): Handle SUBREGs properly where necessary.
4174 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4176 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4178 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4179 an insn on the unfilled_slots_list that has no delay slots.
4180 (fill_eager_delay_slots): Similarly.
4182 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4184 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4185 as an ordinary operand.
4187 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4189 * tree.c (valid_machine_attribute): Don't apply attributes to both
4192 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4194 * reload.c (operands_match_p): Handle rtvecs.
4196 * i386.c (legitimate_pic_address_disp_p): New.
4197 (legitimate_address_p): Use it.
4198 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4199 Handle constant pool symbols just like statics.
4200 (emit_pic_move): Use Pmode not SImode for clarity.
4201 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4202 [UNSPEC]: New, handling what we killed above.
4203 [PLUS]: Detect and abort on invalid symbol arithmetic.
4204 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4206 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4208 * alias.c: Include output.h.
4209 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4210 different if we're in a varargs function.
4211 * Makefile.in (alias.o): Depend on output.h
4213 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4215 * sh.h (GIV_SORT_CRITERION): Delete.
4217 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4219 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4220 * stupid.c (stupid_life_analysis): Ditto.
4221 * reload1.c (reload): Ditto.
4223 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4225 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4226 arith_double_4096_operand, arith_double_add_operand): New
4228 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4229 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4230 them to transform add/sub 4096 into add/sub -4096.
4232 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4234 * loop.c (scan_loop): Allocate some slop to handle pseudos
4235 generated by move_movables.
4236 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4239 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4241 * tree.def (DECL_RESULT): Correct documentation.
4243 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4245 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4246 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4247 conflicts will all RELOAD_FOR_OUTPUT reloads.
4249 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4250 loads the function result, substitute with a USE.
4252 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4254 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4255 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4256 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4257 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4258 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4259 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4261 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4262 'o' to 'm' for GPR variant constraints.
4264 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4266 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4268 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4270 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4271 when the source and destination overlap.
4273 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4274 clash with global type.
4276 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4278 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4280 * c-common.c (combine_strings): Also set TREE_READONLY.
4281 Change warn_write_strings to flag_const_strings.
4282 * c-decl.c, c-tree.h: Likewise.
4284 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4286 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4287 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4288 sequence, use SET/IOR instead so CSE can see it.
4289 * config/sparc/sparc.md (movhi_const64_special,
4290 movsi_const64_special): New patterns necessitated by that change.
4291 (movhi_high): Remove.
4292 (movhi_lo_sum): Change to match an IOR.
4293 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4294 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4295 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4296 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4297 registers are involved.
4298 (snesi_zero_extend split): Remove reload_completed test.
4299 (unnamed plus and minus zero_extend sidi splits): Add it.
4301 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4303 * extend.texi: Remove description of extension to explicit
4304 instantiation that is now endorsed by standard C++.
4306 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4308 * config/arc/arc.c (arc_initialize_pic): Remove.
4309 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4310 nothing on any platform and is invoked by no-one, it does not even
4311 appear in the documentation.
4312 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4313 * config/sparc/sparc.c (initialize_pic): Likewise.
4314 (find_addr_reg): Remove this as well, no longer referenced after
4317 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4319 * recog.c (validate_replace_rtx_group): New function.
4320 * recog.h (validate_replace_rtx_group): Declare it.
4321 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4322 the entire group of substitutions.
4324 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4326 * loop.c (load_mems): Fix initializers.
4328 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4330 * config/sparc/sparc.md (TFmode splits): Handle destination
4331 registers being referenced in the address correctly.
4333 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4334 TREE_UNSIGNED, when bitsize of type's mode is larger than
4335 HOST_BITS_PER_WIDE_INT.
4337 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4339 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4340 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4341 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4343 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4346 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4348 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4349 * h8300.h (TINY_DATA_NAME_P): Likewise.
4350 (STRIP_NAME_ENCODING): Handle '&'.
4352 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4353 register (it could be accessed via an outer SUBREG).
4354 (REG_OK_FOR_BASE_P): Likewwise.
4355 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4357 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4360 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4362 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4364 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4365 must be offsettable so the splits can be made.
4367 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4369 * config/i386/winnt.c: Include system.h, not stdio.h to get
4370 sys/param.h pulled in before rtl.h in case the system defines MIN
4373 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4375 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4377 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4379 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4381 * cpplib.c (cpp_define): Handle macros with parameters.
4383 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4385 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4386 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4387 and DImode 64-bit. Use llong for minimal-toc SFmode and
4388 SYMBOL_REF / LABEL_REF 64-bit.
4389 (output_function_profiler): Use llong for profiler label and ld to
4390 load 64-bit label address.
4392 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4394 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4397 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4399 * version.c: Bump for snapshot.
4401 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4403 * version.c: Bump for snapshot.
4405 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4407 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4409 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4411 * tm.texi (Misc): Fix typo "teh".
4413 * tm.texi (PIC): Fix typo "PPIC".
4415 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4416 effect when -O2 and higher.
4417 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4419 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4421 * regclass.c: Changed register set documentation to be consistent
4424 * final.c (final_start_function) Removed redundant test for
4427 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4429 * rtl.h (rtx_function): New type.
4430 (for_each_rtx): New function.
4431 * rtlanal.c (for_each_rtx): Define it.
4433 * recog.c (change_t): New type.
4434 (change_objects, change_old_codes, change_locs, change_olds):
4436 (changes): New variable.
4437 (validate_change): Dynamically allocate room for more changes, if
4438 necessary. Uses changes array instead of change_objects, etc.
4439 (apply_change_group): Use changes array instead of
4440 change_objects, etc.
4442 * loop.c (loop_mem_info): New type.
4443 (loop_mems): New variable.
4444 (loop_mems_idx): Likewise.
4445 (looop_mems_allocated): Likewise.
4446 (scan_loop): Remove nregs parameter.
4447 (next_insn_in_loop): New function.
4448 (load_mems_and_recount_loop_regs_set): Likewise.
4449 (load_mems): Likewise.
4450 (insert_loop_mem): Likewise.
4451 (replace_loop_mem): Likewise.
4452 (replace_label): Likewise.
4453 (INSN_IN_RANGE_P): New macro.
4454 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4455 (scan_loop): Remove nregs parameter, compute it after any new
4456 registers are created by load_mems. Use INSN_IN_RANGE_P and
4457 next_insn_in_loop rather than expanding them inline. Call
4458 load_mems to load memory into pseudos, if appropriate.
4459 (prescan_loop): Figure out whether or not there are jumps from the
4460 loop to targets other than the label immediately following the
4461 loop. Call insert_loop_mem to notice all the MEMs used in the
4462 loop, if it could be safe to pull MEMs into REGs for the duration
4464 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4466 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4468 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4470 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4472 * config/sparc/sparc.c (finalize_pic): Check for the correct
4473 nonlocal_goto_receiver UNSPEC number.
4474 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4475 making note of this dependency existing in sparc.c
4476 (negtf2_notv9 split): Give NEG SFmode.
4477 (negsf2): Fix insn output string.
4479 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4481 * c-common.c (decl_attributes): Issue an error if the argument
4482 to alias is not a string.
4484 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4486 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4487 pending memory flush list.
4489 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4491 (try_combine): Allow combining insns with REG_LIBCALL notes.
4493 * expr.c (emit_block_move): Do not call memcpy as a libcall
4494 instead build up a CALL_EXPR and call it like any other
4496 (clear_storage): Similarly for memset.
4498 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4501 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4504 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4505 and REG_LIVE_LENGTH as successful substitutions are made.
4507 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4509 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4510 statement after end of loop label.
4512 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4514 * config/sparc/sparc.c (ultra_types_avail): New variable.
4515 (ultra_build_types_avail): New function to record mask of insn
4516 types in ready list at this cycle.
4517 (ultrasparc_sched_reorder): Call it.
4518 (ultra_find_type): Use it to quicken the search. Also simplif
4519 dependency check, don't use rtx_equal_p because we know exactly
4520 what we are looking for.
4522 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4524 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4525 for architecture v4.
4527 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4529 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4531 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4532 movdf_const_intreg and helper splits): New patterns to move float
4533 constants into integer registers.
4534 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4537 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4540 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4542 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4544 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4545 a BASE_REGS register is needed as an intermediate when copying
4546 a symbolic value into any register class other than BASE_REGS.
4548 * expr.c (move_by_pieces): No longer static. Remove prototype.
4549 * rtl.h (move_by_pieces): Add extern prototype.
4550 * mips.c (expand_block_move): Handle aligned straight line copy by
4551 calling move_by_pieces.
4553 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4556 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4558 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4559 jumps out of the loop to be treated as part of the exit test.
4561 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4562 Jeff Law <law@cygnus.com>
4564 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4565 * cplus-dem.c: Delete.
4567 * Makefile.in (fold-const.o): depend on $(RTL_H).
4569 * fold-const.c: Include rtl.h to get the prototype for
4570 `set_identifier_local_value'.
4572 * loop.c (express_from_1): Remove unused variable `tmp'.
4573 (combine_givs): cast the first argument of bzero to char *.
4575 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4577 * c-decl.c (init_decl_processing): Remove unneeded &.
4579 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4581 * except.c (set_exception_lang_code, set_exception_version_code):
4582 Change parameter from `short' to `int' to avoid using a gcc
4585 * except.h (set_exception_lang_code, set_exception_version_code):
4586 Likewise for prototypes.
4588 * flow.c (count_reg_references): Remove unused variables `regno'
4591 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4593 * prefix.c (translate_name): Cast the result of `alloca'.
4595 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4597 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4599 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4601 (valid_dbcc_comparison_p): Mark mode argument as unused.
4602 (symbolic_operand): Likewise.
4603 (legitimize_pic_address): Likewise.
4604 (const_uint32_operand): Likewise.
4605 (const_sint32_operand): Likewise.
4606 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4607 schedule_insns and comment out rest of file.
4609 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4611 (output_move_[hq]imode): Likewise.
4613 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4615 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4616 * invoke.texi: Corresponding changes.
4618 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4620 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4622 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4624 * config/sparc/sparc.c (ultra_code_from_mask,
4625 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4626 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4627 ultrasparc_sched_init, ultrasparc_variable_issue,
4628 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4629 functions to describe UltraSPARC pipeline exactly to Haifa.
4630 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4631 as there is nothing the scheduler can do about it. Indicate that
4632 REG_DEP_OUTPUT's collide. Fixup formatting.
4633 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4634 divide costs on Ultra for DImode.
4635 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4637 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4638 ieuN and add call_no_delay_slot to type list.
4639 (cti function unit): New unit for branches on UltraSPARC.
4640 (subx/addx insns): Set type to misc.
4641 (sidi zero/sign extension insns on arch64): Set type to shift.
4642 (sign_extendhidi2_insn): Set type to sload.
4644 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4646 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4647 (output_epilog): Use if != 0 for offset.
4648 (rs6000_fatal_bad_address): Prepare for Intl.
4649 * rs6000.h (rs6000_fatal_bad_address): Declare.
4650 * rs6000.md (movsfcc, movdfcc): Use else if.
4651 (elf_high): Use {liu|lis}.
4652 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4653 (movsi): Use rs6000_fatal_bad_address.
4655 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4657 * reload.c (find_equiv_reg): Reject equivalences separated
4658 by a volatile instruction.
4660 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4662 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4664 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4666 * alpha.md (movsicc): Fix mode mismatch.
4668 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4670 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4672 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4674 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4676 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4677 write-only modifier from operand 1 constraint.
4679 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4681 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4682 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4684 (sparc_emit_set_const64): Likewise, also when computing trailing
4685 bits do not negate low_bits and make fast_int an int.
4687 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4689 * loop.c (add_label_notes): Do not ignore references to labels
4690 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4691 * gcse.c (add_label_notes): Similarly.
4693 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4695 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4696 (adddi_dishl32): Similarly.
4698 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4700 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4701 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4702 * cse.c (cse_basic_block): Add parens to shut up warnings.
4704 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4706 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4707 sparc_emit_set_const64_longway, const64_is_2insns,
4708 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4709 in 64-bit constant formation.
4710 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4711 rtl for addx not subx.
4712 (define_insn movdi_const64_special): Make available even when
4713 HOST_BITS_PER_WIDE_INT is not 64.
4714 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4715 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4716 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4717 instances of operand 1 inside a QI subreg.
4718 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4719 (one_cmpldi2_sp64): Fix output string.
4720 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4722 (unnamed arch64 ashift DI): Truncate shift count if greater than
4725 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4727 * expr.c (store_expr): Don't optimize away load-store pair
4728 when either source or destination have a side effect.
4730 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4732 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4733 operands of SET are incompatible.
4735 * alpha.md: Fix max and min patterns so modes of SET operands match.
4737 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4739 * configure.in: Avoid [[ by using test and changequote.
4740 * configure: Rebuild.
4742 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4744 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4746 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4747 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4748 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4749 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4750 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4751 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4752 Fix mismatching modes in SET operands.
4753 (conditional move patterns): Fix formatting.
4754 (unnamed subx arch64 pattern): Remove duplicate insn.
4756 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4758 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4759 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4760 (input_operand): Fixup test for what we accept for constant
4762 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4764 (safe_constDI): Remove.
4765 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4766 gen_safe_XOR64): New functions.
4767 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4768 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4770 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4771 available when HOST_BITS_PER_WIDE_INT is not 64.
4772 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4773 move before movdi_insn_sp64 pattern.
4774 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4775 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4776 symbolic_operand as predicate for second operand.
4777 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4778 expander): Give set VOIDmode.
4780 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4782 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4784 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4786 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4788 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4790 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4792 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4794 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4796 * install.texi: Various SCO OpenServer tweaks.
4798 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4800 * reload1.c (eliminate_regs_in_insn): Handle another case when
4801 eliminating the frame pointer to the hard frame pointer. Add
4802 missing ep->to_rtx check to one existing case.
4804 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4806 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4808 * tree.h: De-conditionalize init_priority code.
4810 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4811 * collect2.c (NM_FLAGS): Change from -p to -n.
4813 * configure.in: Turn on collect2 for mipstx39-elf.
4814 Handle use_collect2=no properly.
4816 * c-common.c: De-conditionalize init_priority code.
4817 * collect2.c (extract_init_priority, sort_ids): New fns.
4818 (main): Call sort_ids.
4819 Move sequence_number to file scope.
4821 * configure.in: Handle --enable-init-priority.
4822 * c-common.c (attrs): Add A_INIT_PRIORITY.
4823 (init_attributes, decl_attributes): Likewise.
4824 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4825 * tree.c (get_file_function_name_long): Split out...
4826 (get_file_function_name): ...from here.
4828 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4830 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4833 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4835 * toplev.c (display_help): Add braces to shut up warnings.
4836 * tree.c (simple_cst_equal): Likewise.
4838 * fold-const.c (non_lvalue): Don't deal with null pointer
4840 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4842 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4843 of any size to a pointer.
4845 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4847 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4849 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4851 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4852 which will be saved.
4853 * mn10300.md (prologue insn): Only save registers which need saving.
4854 (epilogue insn): Similarly.
4856 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4859 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4861 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4862 VAR_DECL's in gp addressable sections.
4864 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4866 * sparc.c: Change return <exp> to <exp>; return; in functions
4868 * sparc.md: Add empty semicolon statement after final label in
4871 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4873 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4874 addx_extend_sp64, only allow when TARGET_ARCH64.
4875 (define_insn addx_extend_sp32 and split): Version that works when
4877 (define_insn subx_extend): Likewise.
4878 (define_split adddi3 and subdi3 with zero extension): Fixup and
4879 correct bugs when not TARGET_ARCH64.
4881 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4883 * except.c (set_exception_lang_code, set_exception_version_code):
4884 Use prototype-style definition if __STDC__, to match declaration
4887 * genemit.c: Change FAIL and DONE macros not to use loops.
4889 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4891 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4892 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4894 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4896 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4898 * README.g77: Update from Craig.
4900 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4902 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4904 (safe_constDI sparc_emit_set_const64_quick1,
4905 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4906 analyze_64bit_constant, const64_is_2insns,
4907 create_simple_focus_bits): Fix some bugs when compiled on real
4909 (function_arg_record_value_3, function_arg_record_value_2,
4910 function_arg_record_value): Add fully prototyped forward decls.
4911 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4912 to cmpsi_insn and use on both 64 and 32 bit targets.
4913 (define_insn cmpsi_insn_sp64): Remove.
4914 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4915 (define_insn zero_extendsidi2_insn): Rename to
4916 zero_extendsidi2_insn_sp64.
4917 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4918 assosciated forced split for it.
4920 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4922 * config/sparc/sparc.h: Declare them.
4923 (PREDICATE_CODES): Add them.
4924 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4925 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
4927 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
4929 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
4930 in v9 case as the latter makes the Solaris assembler crash.
4932 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4934 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
4935 for TFmode when !v9. We require offsettable memory addresses.
4936 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
4937 DFmode register number conversions.
4938 * config/sparc/sparc.md (define_split DFmode moves): If register
4939 is a SUBREG do alter_subreg on it before using.
4940 (define_expand movtf): Fixup comment about alignment on v9.
4941 (define_split TFmode moves): Don't use gen_{high,low}part, create
4942 explicit SUBREGs instead.
4944 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
4946 * Makefile.in (mbchar.o): Depend on mbchar.c.
4948 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4949 Richard Henderson <rth@cygnus.com>
4951 Rewrite Sparc backend for better code generation and
4952 improved sparc64 support.
4953 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
4955 * config/sparc/sysv4.h: Likewise.
4956 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
4957 move_operand, v8plus_regcmp_op, emit_move_sequence,
4958 singlemove_string, doublemove_string, mem_aligned_8,
4959 output_move_double, output_move_quad, output_fp_move_double,
4960 move_quad_direction, output_fp_move_quad, output_scc_insn):
4962 (small_int_or_double): New predicate.
4963 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
4964 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
4965 old pic_{sethi,lo_sum}_si patterns.
4966 (mem_min_alignment): New generic function to replace
4967 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
4968 available and can test for arbitrary alignments. All callers
4970 (save_regs, restore_regs, build_big_number,
4971 output_function_prologue, output_cbranch, output_return,
4972 sparc_flat_save_restore, sparc_flat_output_function_prologue,
4973 sparc_flat_output_function_epilogue): Prettify
4975 (output_function_epilogue): Likewise and add code to output
4976 deferred case vectors.
4977 (output_v9branch): Likewise, add new arg INSN and use it to tack
4978 on branch prediction settings. All callers changed.
4979 (print_operand): Likewise and output %l44 for LO_SUMs when
4981 (sparc_splitdi_legitimate): New function to make sure DImode
4982 splits can be run properly when !arch64.
4983 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
4984 Reformat example code in comments.
4985 (set_extends): Remove UNSPEC/v8plus_clear_high case.
4986 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
4987 of deferred case vectors we need to output.
4988 (sparc_defer_case_vector): Record a case vector.
4989 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
4990 sparc_output_deferred_case_vectors): New functions to output them.
4991 (sparc_emit_set_const32): New function to form 32-bit constants in
4992 registers when that requires more than one instruction.
4993 (safe_constDI, sparc_emit_set_const64_quick1,
4994 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4995 analyze_64bit_constant, const64_is_2insns,
4996 create_simple_focus_bits, sparc_emit_set_const64): New functions
4997 which do the same for 64-bit constants when arch64.
4998 (sparc_emit_set_symbolic_const64): New function to emit address
4999 loading for all code models on v9.
5000 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5001 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5002 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5003 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5004 inaccuracies in comments, add symbolic and text_segment operands
5005 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5006 GENERAL_REGS in these cases as a temp REG is needed to load these
5007 addresses into a register properly.
5008 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5010 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5011 quads are guarenteed to have 16-byte alignment.
5012 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5013 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5014 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5015 deferred case vector implementation.
5016 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5017 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5018 Generate "internal label - label" instead of "label - 1b".
5019 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5020 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5021 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5023 (doublemove_string, output_block_move, output_fp_move_double,
5024 output_fp_move_quad, output_move_double, output_move_quad,
5025 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5026 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5027 (sparc_emit_set_const32, sparc_emit_set_const64,
5028 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5029 mem_min_alignment, small_int_or_double): Add externs.
5030 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5031 UNSPEC_VOLATILE in this backend.
5032 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5033 unary to types which execute in it.
5034 (define_function_unit ieu_shift): Rename to ieu0.
5035 (define_function_unit ieu1): New, executes compare, call, and
5036 uncond_branch type insns.
5037 (define_function_units for type fdivs, fdivd, fsqrt): These
5038 execute in the fpu multiply unit not the adder on UltraSparc.
5039 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5040 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5041 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5042 allows the arith_double_operand predicate and rHI constraint when
5044 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5045 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5046 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5047 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5048 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5049 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5050 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5051 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5052 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5053 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5054 sign_extendqihi2_insn, sign_extendqisi2_insn,
5055 sign_extendqidi2_insn, sign_extendhidi2_insn,
5056 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5057 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5058 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5059 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5060 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5061 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5062 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5063 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5064 smulsi3_highpart_v8plus, unnamed subreg mult,
5065 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5066 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5067 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5068 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5069 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5070 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5071 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5072 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5073 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5074 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5075 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5076 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5077 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5078 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5079 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5080 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5081 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5082 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5083 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5084 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5085 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5086 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5087 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5088 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5089 call_address_untyped_struct_value_sp32,
5090 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5091 call_value_symbolic_sp32, call_value_address_sp64,
5092 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5093 flush_register_windows, goto_handler_and_restore,
5094 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5095 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5096 return_addsi, return_di, return_adddi, return_sf, all call+jump
5097 peepholes, trap, unnamed trap insns): Prettify output strings.
5098 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5099 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5100 Likewise and force + implement splits for integer cases.
5101 (define_insn return_sf_no_fpu): Likewise and allow to match when
5102 no-fpu because of our subreg SFmode splits.
5103 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5104 zero_extendqidi2_insn, zero_extendhidi2_insn,
5105 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5106 input_operand for second operand.
5107 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5108 reg_or_0_operand for operand 2 so new splits can use it.
5109 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5110 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5112 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5113 CONST_DOUBLEs for operand 2.
5114 (define_insn move_label_di): Likewise and label distance
5115 optimization because it no longer works with new deferred case
5116 vector scheme. To be revisited.
5117 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5118 and allow reg_or_0_operand and J constraint for second operand.
5119 (define_insn jump): Set branch predict taken on V9.
5120 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5121 new deferred case vector scheme.
5122 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5123 (define_insn negdi2_sp32): Force + implement splits.
5124 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5125 one_cmplsi2_not_liveg0 respectively, and create expander of original
5126 names which emit special rtl for TARGET_LIVE_G0.
5127 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5128 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5129 gen_compare_reg, FAIL instead.
5130 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5131 values when trying to reverse condition codes, if they FAIL then
5133 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5134 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5135 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5136 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5137 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5138 set output string to # to indicate they are mandatory splits.
5139 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5140 pic_sethi_di, move_pic_label_si): Remove.
5141 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5142 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5144 (define_expand movsi_pic_label_ref, define_insn
5145 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5146 expander and insns to handle PIC label references and deferred
5148 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5150 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5151 Rewrite to not use emit_move_sequence, make use of new constant
5152 formation code, and new splits for all multi-insn cases.
5153 (define_insn movqi_insn): Remove sethi case, it can never happen.
5154 Use reg_or_zero_operand instead of const0_rtx explicit test,
5155 use input_operand instead of move_operand for source, and use
5156 general_operand now for dest.
5157 (define_insn movhi_insn): Similar but leave sethi case.
5158 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5159 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5160 movhi_lo_sum respectively, prettify output string.
5161 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5162 register when needed on TARGET_LIVE_G0.
5163 (define_insn movsi_insn): Use general_operand and input_operand
5164 for dest and src respectively. Simplify applicability test.
5165 Prettify output strings, and add clr alternative for J
5167 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5168 deprecated std and reg-reg DI moves): Remove and...
5169 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5170 implementation which uses forced splits for all non-single insn
5172 (define_split DI move cases on !arch64): New splits to handle all
5173 situations of 64-bit double register DImode on 32bit, and
5174 unaligned registers and memory addresses for all subtargets.
5175 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5177 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5178 input_operand for dest and src respectively, prettify output
5180 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5181 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5183 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5184 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5185 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5186 movtf_no_e_insn_sp64) Replace with new
5187 implementation which uses forced splits for all non-single insn
5189 (define_split DF move cases): New splits in similar vein to DI
5191 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5192 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5193 movdi_sp64_insn): Remove old v9 code model and constant loading
5195 (define_insn pic_lo_sum_di, pic_sethi_di,
5196 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5197 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5198 embmedany_sethi, embmedany_losum, embmedany_brsum,
5199 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5200 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5201 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5202 scheme, using unspecs, secondary reloads, and one to one sparc
5203 insn to rtl insn mapping for better scheduling and code gen.
5204 (define_expand reload_indi, reload_outdi): Reload helpers for
5205 MEDANY and EMBMEDANY symbol address loading cases which require a
5207 (define_expand movsicc): Remove v8plus_regcmp cases.
5208 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5209 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5210 cmp_diqi_trunc_set): New patterns used by some of the new scc
5212 (define_insn xordi3_sp64_dbl): New pattern used for constant
5213 formation when crossing from 32-bit targets.
5214 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5216 (define_insn addx, subx): Make visible and prettify.
5217 (define_insn adddi3_insn_sp32): Likewise and force split.
5218 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5219 64bit scc split usage.
5220 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5221 zero_extend, subdi3): Force and implement splits.
5223 * final.c (final_scan_insn): Don't output labels if target
5224 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5227 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5228 don't forget to walk inside SEQUENCESs too as these are what the
5229 delay slot scheduler will create.
5231 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5233 * alpha.md (extxl+1,+2): New patterns to work around
5236 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5238 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5239 caused bad assembly code to be generated.
5241 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5243 * netbsd.h: Fix typo.
5245 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5247 * config.sub: Fix typo.
5249 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5251 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5253 (Running Protoize): Typo: Change "ther" into "other".
5255 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5257 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5258 * m68k/netbsd.h: Likewise.
5259 * ns32k/netbsd.h: Likewise.
5260 * sparc/netbsd.h: Likewise.
5262 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5264 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5265 * ginclude/va-clipper.h (va_list): Likewise.
5267 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5269 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5270 load/store multiple instructions unless user overrides.
5272 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5274 * ns32k/netbsd.h: Fix typo.
5276 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5278 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5279 labels with .debugsym if no parallel insns.
5281 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5283 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5284 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5286 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5288 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5289 (AR_FOR_TARGET): Define.
5291 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5293 * dyn-string.h: New file.
5294 * dyn-string.c: Likewise.
5295 * Makefile.in (OBJS): Add dyn-string.o.
5296 (dwarf2out.o): Add dyn-string.h dependency.
5297 (dyn-string.o): List dependencies.
5298 * dwarf2out.c: Include dyn-string.h.
5299 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5300 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5301 prototype. Use dyn_string_append rather than strcat, throughout.
5302 (addr_to_string): Use dyn_string_t.
5304 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5306 Function entry/exit profiling instrumentation:
5307 * expr.h (profile_function_entry_libfunc,
5308 profile_function_exit_libfunc): Declare new variables.
5309 * optabs.c: Define them here.
5310 (init_optabs): Initialize them.
5311 * tree.h (struct tree_decl): New flag
5312 no_instrument_function_entry_exit.
5313 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5314 * c-decl.c (duplicate_decls): Merge it.
5315 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5316 (init_attributes): Use it for "no_instrument_function".
5317 (decl_attributes): Handle it, for functions that have not yet been
5318 compiled. Set decl flag.
5319 * flags.h (flag_instrument_function_entry_exit): Declare new
5321 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5322 (f_options): New option "instrument-functions".
5323 * function.h (struct function): New field instrument_entry_exit.
5324 * function.c (current_function_instrument_entry_exit): New
5326 (push_function_context_to, pop_function_context_from): Save and
5328 (expand_function_start): Set current_ variable, maybe emit return
5329 label and entry profile call.
5330 (expand_function_end): Maybe emit exit profile call.
5332 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5334 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5335 NON_QI_REG_P, pretend the register is SImode.
5337 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5339 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5340 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5341 manufacturer id for ns32k.
5342 * configure: Regenerated.
5343 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5344 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5345 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5346 * config/m68k/netbsd.h: Same.
5347 * config/ns32k/netbsd.h: Same.
5348 * config/sparc/netbsd.h: Same.
5350 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5352 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5353 or UNROLL_COMPLETELY loop that starts with a jump to its
5356 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5358 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5359 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5360 (print_operand, case 'B'): Don't fall through.
5361 (print_operand, case 'S'): Correct mask begin/end computation.
5362 Use HOST_BITS_PER_WIDE_INT.
5363 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5364 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5365 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5366 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5368 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5370 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5371 constraint from second alternative.
5373 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5375 * configure.in: Fix --without/--disable cases for local-prefix,
5376 gxx-include-dir and checking.
5378 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5380 * configure.in (enable_haifa): Set by default for sparc64 too.
5383 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5385 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5386 * i386/winnt.c (associated_type): New fn.
5387 (i386_pe_valid_type_attribute_p): New fn.
5388 (i386_pe_check_vtable_importexport): Remove.
5389 (i386_pe_dllexport_p): Use associated_type.
5390 (i386_pe_dllimport_p): Likewise.
5392 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5393 * i386.c (i386_valid_type_attribute_p): Also accept
5394 attributes for METHOD_TYPEs.
5396 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5398 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5400 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5402 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5404 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5405 them from generating a new base name for each occurence of
5408 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5410 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5412 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5416 * cplus-dem.c (type_kind_t): New type.
5417 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5418 on this paramter, rather than demangling the type again.
5419 (demangle_integral_value): Pass tk_integral.
5420 (demangle_template_: Pass the value returned from do_type.
5421 (do_type): Return a type_kind_t. Pass tk_integral to
5422 demangle_template_value_parm for array bounds.
5423 (demangle_fund_type): Likewise.
5425 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5427 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5430 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5432 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5434 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5436 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5438 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5441 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5443 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5444 (DEBUGGER_ARG_OFFSET): Likewise.
5446 * mn10300.md (movsf): Remove last change. Not needed.
5448 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5450 * c-lex.c (yylex): Fix boundary conditions in character literal and
5451 string literal loops.
5453 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5455 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5456 being invoked incorrectly.
5458 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5459 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5461 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5462 * configure.in: Added i[34567]86-*-win32
5463 * config.sub: Ditto.
5464 * configure: Rebuilt.
5466 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5468 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5469 the frame pointer and compiling PIC code and reload has not completed.
5471 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5474 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5476 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5478 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5480 * Makefile.in (install-info): Only try to update the info
5481 directory file if it exists in the first place.
5483 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5485 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5487 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5489 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5490 CONST_DOUBLE source.
5492 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5494 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5495 strings as the insertion of USER_LABEL_PREFIX.
5496 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5498 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5501 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5503 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5504 already defined type.
5506 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5508 * expr.c (check_max_integer_computation_mode): Allow conversions
5509 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5510 (expand_expr): Likewise.
5512 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5514 * expr.c (expand_expr): Expand RETURN_EXPR.
5516 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5518 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5520 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5522 * dwarf2out.c (output_aranges): Call stripattributes
5523 for TEXT_SECTION references.
5524 (output_line_info): Likewise.
5526 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5528 * profile.c (branch_prob): Call allocate_reg_info after outputting
5529 profile rtl in instrument_arcs.
5531 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5533 * fixinc.irix (math.h): Install wrapper instead of copying.
5535 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5537 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5538 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5539 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5540 lang_flag_0. Added documentation in the flag table.
5542 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5544 * cccp.c (do_include): Fix vax c style include handling.
5546 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5548 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5550 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5552 * fold-const.c (non_lvalue): Don't deal with null pointer
5554 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5556 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5558 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5559 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5560 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5561 (u_short_cint_operand): Same.
5562 (reg_or_cint_operand): Same.
5563 (logical_operand): Same.
5564 (input_operand): Same.
5565 (reg_or_short_operand): Use u_short_cint_operand.
5567 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5569 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5570 but keep the insns and splits. Adjust so when the ultimate destination
5571 is memory, use cvtql.
5573 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5575 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5577 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5579 * gcc.c (do_spec): Call "error" not "warning".
5581 * configure.in: Fix minor problems with gas feature detection code.
5582 * configure: Rebuilt.
5584 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5587 * gcc.c: Delete %[spec] support.
5588 (do_spec_1, case '('): Likewise.
5589 (do_spec_1, case '['): Call error.
5591 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5593 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5594 (CPP_SUBTARGET_SPEC): Default to empty string.
5595 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5596 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5597 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5598 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5600 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5601 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5602 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5603 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5604 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5605 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5606 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5607 * alpha/vxworks.h: Likewise.
5609 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5611 * mips.md (reload_outsi): Added missing REGNO call.
5612 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5614 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5615 another match_operator and compare the codes.
5617 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5619 * MIPS multiply pattern fixes:
5620 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5621 Add union classes for HI, LO, or HILO plus general registers.
5622 (GENERATE_MADD): Deleted.
5623 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5624 Add TARGET_MAD to condition.
5625 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5626 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5627 "*d" for accumulator, to give preference to LO initially but not
5630 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5632 * configure.in (enable_c_mbchar): New configure option.
5633 (extra_cpp_objs): Always available now.
5635 * cexp.y (mbchar.h): #include it.
5636 (yylex): Handle Multibyte characters in character literals.
5638 * cccp.c (mbchar.h): #include it.
5639 (main): Set character set based on LANG environment variable.
5640 (rescan): Handle multibyte characters in comments.
5641 (skip_if_group): See above.
5642 (validate_else): See above.
5643 (skip_to_end_of_comment): See above.
5644 (macarg1): See above.
5645 (discard_comments): See above.
5646 (rescan): Handle multibyte characters in string and character literals.
5647 (collect_expansion): See above.
5648 (skip_quoted_string): See above.
5649 (macroexpand): See above.
5650 (macarg1): See above.
5651 (discard_comments): See above.
5652 (change_newlines): See above.
5654 * c-lex.c (mbchar.h): #include it.
5655 (GET_ENVIRONMENT): New macro.
5656 (init_lex): Set character set based on LANG environment variable.
5657 (yylex): Handle multibyte characters in character literals.
5658 (yylex): Handle multibyte characters in string literals.
5660 * Makefile.in (mbchar.o): New target.
5661 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5662 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5664 * mbchar.[ch]: New files for multibyte character handling.
5666 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5668 * jump.c (jump_optimize): When simplifying noop moves and
5669 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5670 the PUSHes to rewrite in second loop as we did in the first.
5672 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5674 * cplus-dem.c (demangle_nested_args): Make function definition
5675 static to match the prototype.
5677 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5679 * alloca.c: Respect USE_C_ALLOCA.
5680 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5681 * gengenrtl.c (xmalloc): Likewise.
5683 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5685 * loop.h (struct induction): Add no_const_addval.
5686 * loop.c (the_movables, reg_address_cost): New variables.
5687 (init_loop): Init reg_address_cost.
5688 (loop_optimize): Call end_alias_analysis.
5689 (scan_loop): Init the_movables.
5690 (record_giv): Init induction->no_const_addval.
5691 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5692 [REG]: Rearrange loop search test to catch more cases.
5693 (general_induction_var): Return success not benefit; take an extra
5694 argument for that. Change all callers.
5695 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5696 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5697 [default]: Search the_movables for additional combinations.
5698 (sge_plus_constant, sge_plus): New functions.
5699 (express_from_1): New function.
5700 (express_from): Always define. Rewrite using express_from_1.
5701 (combine_givs_p): Handle more cases. Ignore address cost.
5702 (cmp_combine_givs_stats): New function.
5703 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5704 (combine_givs): Rewrite to do best-fit combination.
5706 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5707 (fold): Do a complete (A*C)+(B*C) association check.
5709 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5711 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5713 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5715 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5717 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5719 * tree.c (valid_machine_attribute): Only create a new type variant if
5720 there is a decl to use it.
5722 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5724 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5727 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5729 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5732 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5734 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5735 Simplify tests for clearing an address register.
5736 (expand_prologue): Corresponding changes.
5738 * mn10300.md (movXX patterns): Make sure the destination is an
5739 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5740 (logical patterns): Split into expanders + patterns
5741 (zero and sign extension patterns): Similarly.
5742 (shift patterns): Similarly.
5744 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5746 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5747 for the sequence, recording base values.
5749 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5751 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5753 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5755 * gcc.c: Remove ANSI-C ism from --help code.
5757 * toplev.c: Support --help with USE_CPPLIB.
5759 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5761 * configure.in: Rework gas feature code to work with symlink based
5764 * extend.texi: Clarify some issues related to local variables
5765 assigned to explicit registers.
5767 * mn10300.md (mulsi): Turn into expander + pattern.
5769 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5772 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5774 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5776 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5778 * version.c: Bump again to distinguish mainline tree from the
5781 See ChangeLog.0 for earlier changes.
5784 add-log-time-format: current-time-string