1 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
4 * c-common.c (check_format_info): Don't check for the 'x'
5 format character twice, instead check for 'x' and 'X'
7 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
9 * configure.in (assembler features): Also make gas is configured if
10 we find it in the souce tree.
12 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
14 * i386.c (i386_comp_type_attributes): Compare whether the
15 attributes are defined, not their tree nodes.
17 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
19 * configure.in (gxx_include_dir): bitten by autoconf quoting
23 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25 * configure.in: Ignore non-absolute value in $AS.
27 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
29 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
31 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
33 * configure.in (msdosdjgpp): Set exeext and target_alias.
35 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
37 * flow.c (XNMALLOC): New macro.
38 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
40 (add_edge, add_edge_to_label): New static functions.
41 (free_bb_memory): New function.
42 (flow_delete_insn): Delete function.
43 (basic_block_drops_in): Delete variable.
44 (find_basic_blocks): Allocate and initialize basic_block_head,
45 basic_block_succ. Don't allocate basic_block_drops_in.
46 Call free_bb_memory at the beginning.
47 (find_basic_blocks_1): Don't do multiple passes.
48 Delete code to compute basic_block_drops_in.
49 After calling make_edges, mark blocks reached by current block live.
50 Update test for unreachable live blocks.
51 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
53 Simplify to call add_edge_to_label when a LABEL_REF is found.
54 (make_edges): Simplify to call add_edge_to_label instead of
55 mark_label_ref most of the time.
56 Compute here whether control drops into the next block.
57 (delete_unreachable_blocks): Return void. All callers changed.
58 Delete unreachable blocks in reverse order.
59 After deleting all unreachable blocks, renumber the remaining ones
60 and update n_basic_blocks.
61 (delete_block): Speed up deletion a bit.
62 Don't set basic_block_drops_in for deleted blocks.
63 (free_basic_block_vars): Don't free basic_block_drops_in.
64 (life_analysis_1): Update to use new edge representation.
65 (dump_flow_info): Delete code to print basic block info; call
67 (compute_preds_succs): Delete code to recompute basic_block_drops_in
69 Simply copy the previously computed cfg.
70 (dump_bb_data): New arg LIVE_INFO. All callers changed.
71 Print register lifetime information if LIVE_INFO is nonzero.
72 * basic-block.h (dump_bb_data): Adjust prototype.
73 * gcse.c (gcse_main): Update call to dump_bb_data.
74 * rtl.h (free_bb_memory): Declare.
75 * toplev.c (rest_of_compilation): Call free_bb_memory.
77 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
78 (update_eliminable_offsets): Don't compute it.
79 (set_initial_elim_offsets): Don't initialize it.
80 Break out some code into set_initial_label_offsets so the rest of
81 this function can be called from reload_as_needed.
82 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
83 ELIMINABLE_REGS isn't.
84 (set_initial_label_offsets): New function, broken out of
85 set_initial_elim_offsets.
86 (set_offsets_for_label): New function, broken out of set_label_offsets
88 (reload): Call the two new functions.
89 (reload_as_needed): Call set_initial_elim_offsets instead of
90 duplicating the code. Likewise for set_offsets_for_label.
92 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
93 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
94 any hard reg, reg_reloaded_dead contains valid data.
96 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
98 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
99 "stdcall" and "cdecl" attributes.
101 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
103 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
104 handle deleted no-op moves of hard registers.
105 * haifa-sched.c (update_flow_info): Likewise.
107 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
109 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
110 of the sequences to reload the HILO register which do not actually
113 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
115 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
117 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
119 * except.c (emit_eh_context): Make the EH context register stay alive
120 at -O0 so stupid.c doesn't get confused.
122 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
124 * emit-rtl.c (try_split): Do not try to split a BARRIER.
126 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
127 Jeffrey A Law (law@cygnus.com)
129 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
130 (zero_extendsidi2): Use # in output template and handle completely by
132 (zero_extend splitters): New define_splits.
133 (ashiftrt_32): New pattern.
135 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
137 * tree.c (append_random_chars): New fn.
138 (get_file_function_name_long): Use it.
140 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
142 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
143 (LIBCPP_OBJS): New. Add cppulp.o.
144 (cppmain, fix-header): Depend on and use libcpp.a.
145 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
146 of the individual object files.
147 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
150 * cccp.c (user_label_prefix): New.
151 (main): Set it off -f*leading-underscore.
152 (special_symbol): Use it.
153 * cpplib.c (special_symbol): Likewise.
154 (cpp_handle_option): Handle -f*leading-underscore.
155 * cppulp.c: New file.
157 * output.h (user_label_prefix): Declare it.
158 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
159 * toplev.c (f_options, main): Handle -f*leading-underscore.
161 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
162 referencing USER_LABEL_PREFIX directly.
163 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
164 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
165 * final.c (asm_fprintf): Use user_label_prefix instead.
166 * arm/thumb.c (thumb_print_operand): Likewise.
168 * gcc.c (default_compilers): Pass -f*leading-underscore on to
169 cpp wherever appropriate.
171 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
173 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
174 specific compiler switches.
176 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
178 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
181 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
184 structure which has exactly the members provided by EXTRA_SPECS.
185 Xmalloc() the real `extra_specs', and initialize it from this
186 intermediate structure.
188 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
190 * mips.h (EXTRA_SPECS): Likewise.
192 * sparc.h (EXTRA_SPECS): Likewise.
194 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
196 * function.c (purge_addressof_1): Instead of aborting when a
197 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
198 work just put the ADDRESSOF on stack. Otherwise remember all such
199 successfull replacements, so that exactly the same replacements
200 can be made on the REG_NOTEs. Remove the special case for CALL
202 (purge_addressof_replacements): New variable.
203 (purge_addressof): Clear it at end.
205 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
207 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
208 (lang_init): Call check_newline always.
209 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
210 cpp_start_read, set yy_cur and yy_lim to read from
211 parse_in.token_buffer, so that we'll see the first #line
213 * cpplib.c (cpp_start_read): finclude the main input file
214 before processing -include/-imacros. Process -imacros and
215 -include separately, and handle -include by stacking a
216 buffer for the file in question as if it'd been #included.
217 * toplev.c (documented_lang_options) Recognize -H when
220 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
222 * cpplib.c: Merge do_once into do_pragma. Break file handling
223 code out of do_include.
224 Move append_include_chain, deps_output,
225 file_cleanup, redundant_include_p, import_hash,
226 lookup_import, add_import, read_filename_string, read_name_map,
227 open_include_file, finclude, safe_read to cppfiles.c.
228 Move prototypes for deps_output, append_include_chain,
229 finclude to cpplib.h. Move definition of struct
230 file_name_list there also.
232 * cppfiles.c: New file. Contains all the above functions
233 broken out of cpplib.c; also hack_vms_include_specification
234 from cccp.c and find_include_file, a new function broken out of
237 * Makefile.in (cppmain): Depend on cppfiles.o.
238 (fix-header): Likewise.
239 (cppfiles.o): New target.
240 * configure.in (--enable-c-cpplib): Add cppfiles.o to
241 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
243 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
245 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
246 if pending_types is non-zero.
247 (dwarfout_finish): Verify pending_types is zero before finishing.
249 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
251 * expr.c (convert_move): Use shifts to perform the move if a
252 suitable extend pattern cannot be found. Code written by
253 Richard Henderson <rth@cygnus.com>.
255 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
257 * regclass.c (renumber, regno_allocated): New static variables, moved
258 out of allocate_reg_info.
259 (allocate_reg_info): Move these two variables outside the function.
260 Move code to free memory into new function free_reg_info.
261 (free_reg_info): New function, broken out of allocate_reg_info.
262 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
263 * rtl.h (allocate_reg_info): Don't declare.
264 (free_reg_info): Declare.
266 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
268 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
270 * toplev.c (compile_file): Temporarily revert last change.
272 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
274 * c-typeck.c (convert_for_assignment): Parenthesize.
276 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
278 * reload1.c (delete_output_reload): Avoid ambigous else.
280 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
282 * toplev.c (compile_file): Call allocate_reg_info to free register
284 * rtl.h (allocate_reg_info): Declare.
286 * PROJECTS: Remove entry for local spilling.
288 * final.c (cleanup_subreg_operands): New function.
289 (final_scan_insn): Use it.
290 (alter_subreg): Clear the "used" field when we turn a SUBREG into
292 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
293 operands when reload has finished.
294 * reload.h (cleanup_subreg_operands): Declare..
295 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
296 reload. Handled in reload itself.
298 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
300 * reload1.c (verify_initial_offsets): New function.
301 (reload): Call it after reload_as_needed. Also verify that the frame
302 size stays constant during reload_as_needed.
303 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
305 * reload.h (struct insn_chain): Add need_operand_change element.
306 * reload1.c (new_insn_chain): Clear it.
307 (calculate_needs_all_insns): Set it; don't overload need_reload.
308 (reload_as_needed): Use it.
310 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
311 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
312 and reload_address_index_reg_class.
313 (find_reloads_address_1): Likewise.
314 * reload.h (reload_address_base_reg_class,
315 reload_address_index_reg_class): Don't declare.
316 * reload1.c (reg_old_renumber, pseudo_previous_regs,
317 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
318 (used_spill_regs): Now static.
319 (reload_address_base_reg_class, reload_address_index_reg_class,
320 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
321 basic_block_needs, max_needs, group_size, group_mode, max_groups,
322 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
325 (init_reload): Delete code to compute base/index reg classes.
326 (reload): Delete variable J.
327 Delete code to manage basic_block_needs.
328 Don't compute regs_explicitly_used.
329 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
330 pseudo_previous_regs.
331 Initialize bad_spill_regs_global.
332 Don't call order_regs_for_reload here.
333 Don't initialize spill_reg_order and n_spills.
334 Don't forbid explicitly used regs to be used for spill regs.
335 Change main loop to infinite loop, with explicit break statements.
336 Make SOMETHING_CHANGED variable local to that loop.
337 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
338 max_groups_insn, max_nongroups_insn, group_size, group_mode.
339 Make sure spilled_speudos is cleared before calling spill_hard_reg or
341 Don't call dump_needs.
342 Delete code to reset potential_reload_regs.
343 Delete code to terminate loop conditional on the global needs variables
344 showing no further needs.
345 (calculate_needs_all_insns): Return void. All callers changed.
346 Initialize somehing_needs_elimination here, not in reload.
347 Delete avoid_return_reg kludge.
348 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
350 Initialize the group_mode and group_size elements of the arg CHAIN.
351 Delete code to manage basic_block_needs.
352 Operate on elements of CHAIN instead of global variables.
353 Delete avoid_return_reg kludge.
354 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
356 Operate on elements of CHAIN instead of global variables.
357 Delete special SMALL_REGISTER_CLASSES code.
358 Delete spill_failure code; now in new_spill_reg.
359 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
361 Operate on elements of CHAIN instead of global variables.
362 (maybe_mark_pseudo_spilled): New static function.
363 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
365 Operate on elements of CHAIN instead of global variables.
366 Call order_regs_for_reload here, not in reload.
367 Initialize spill_reg_order and n_spills.
368 Simplify test whether an asm insn is involved.
369 Delete spill_failure code; now in new_spill_reg.
370 Call maybe_mark_pseudo_spilled for everything marked as live in
371 CHAIN. Merge CHAIN's used_spill_regs into the global variable
373 (dump_needs): Take CHAIN arg. No longer static, to prevent the
374 compiler from optimizing this function (now unused) away.
375 Operate on elements of CHAIN instead of global variables.
376 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
378 Operate on elements of CHAIN instead of global variables.
379 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
380 take CHAIN arg. All callers changed.
381 Operate on elements of CHAIN instead of global variables.
382 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
383 CHAIN, NONGROUP args. Return void. All callers changed.
384 Verify caller isn't trying to spill a pseudo.
385 Simplify test for illegal reg, just use bad_spill_regs.
386 Generate better error messages.
387 Operate on elements of CHAIN instead of global variables.
388 Mark spilled register in CHAIN's used_spill_regs element.
389 Don't call spill_hard_reg.
390 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
391 Mark spilled hard regs in bad_spill_regs_global.
392 Mark affected pseudos in spilled_pseudos, but don't spill them.
393 (ior_hard_reg_set): New static function.
394 (finish_spills): Return int. All callers changed.
395 Compute spill_reg_order, n_spills and spill_regs here. Also update
396 regs_ever_live for regs used as spills.
397 For every pseudo in spilled_pseudos, spill it and mark the previous
398 hard reg it had in pseudo_previous_regs. Compute which hard regs
399 arseudo): New static function.
400 (order_regs_for_reload): Take CHAIN arg. All callers changed.
401 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
402 hard registers explicitly used across the current insn into the set.
403 Compute hard_reg_n_uses taking only pseudos live across this insn
405 Tweak sorting of potential_reload_regs.
406 (compare_spill_regs): Delete function.
407 (reload_as_needed): Don't sort the spill_regs array, it's computed
408 in proper order in finish_spills.
409 Delete avoid_return_reg kludge.
410 Delete code to manage basic_block_needs.
411 (allocate_reload_reg): Minor speed/readability tweaks.
412 Operate on elements of CHAIN instead of global variables.
413 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
414 Delete avoid_return_reg kludge.
415 Initialize reload_reg_used from CHAIN's used_spill_regs element.
416 Delete unused label FAIL.
417 (reload_combine): Replce reload_address_index_reg_class with
419 Don't use used_spill_regs to determine information about lifetime of
422 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
424 * toplev.c (display_help): Ignore empty target specific
425 options, and if -W is also specified on the command line then
426 display undocumented options.
428 * config/arm/arm.c: Updated with changes in devo sources.
429 * config/arm/arm.h: Updated with changes in devo sources.
430 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
431 * config/arm/lib1thumb.asm: Add ELF support.
433 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
435 * collect2.c (aix64_flag): New variable.
436 (main, case 'b'): Parse it.
437 (GCC_CHECK_HDR): object magic number must match mode.
438 (scan_prog_file): Only check for shared object if valid header.
439 Print debugging if header/mode mismatch.
441 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
443 Added support for arm-elf-linux configuration, submitted by Philip
444 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
445 code developed by Catherine Moore <clm@cygnus.com>. The following
448 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
451 * configure: Regenerated.
453 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
454 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
455 definitions conditional on their not having been already defined.
457 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
458 and .type directives, and add "(PLT)" qualification to function
461 * config/arm/linux.h: Deleted. This file is now superceeded by
462 either linux-elf.h or linux-aout.h.
464 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
465 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
467 Move definitions from old linux.h file here.
469 * config/arm/elf.h: New file. Generic ARM/ELF support.
471 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
473 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
475 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
476 using the 26bit APCS.
478 * config/arm/unknown-elf.h: New file. Support for OS'es other
481 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
484 * config/arm/coff.h: Include aout.h for basic assembler macros.
485 Add support for -mstructure_size_boundary=<n> command line option.
487 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
488 command line option. Make macro definitions conditional on their
489 not having been already defined.
491 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
495 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
497 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
498 has been changed to not include a newline. Use this macro instead.
499 (output_enumeral_list, const_value_attribute, name_attribute,
500 comp_dir_attribute, prototyped_attribute, producer_attribute,
501 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
502 dwarfout_file_scope_decl, generate_new_sfname_entry,
503 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
504 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
506 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
508 * combine.c (subst): Process the inputs to a parallel asm_operands
511 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
513 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
515 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
517 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
519 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
521 * version.c: Bump for snapshot.
523 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
525 * stmt.c (expand_fixup): Set fixup->before_jump to a
526 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
528 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
530 * Makefile.in (recog.o): Depend on toplev.h.
531 (insn-emit.o): Depend on recog.h.
532 (insn-peep.o): Depend on recog.h and insn-config.h.
534 * combine.c (simplify_set): Remove unused variable `scratches'.
536 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
537 and `idx' in macro conditional controlling their use.
539 * genemit.c (main): Make the generated output file include
540 recog.h. Don't have it declare `insn_operand_constraint', since
541 we get it from recog.h.
543 * genpeep.c (main): Make the generated output file include
544 insn-config.h and recog.h.
546 * recog.c: Include toplev.h.
547 (extract_insn): Remove unused variable `p'.
549 * regclass.c (fix_register): Add missing braces around initializer
551 (allocate_reg_info): Move variable `i' into the scope where it is
552 used. Change its type to `size_t'.
554 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
556 * reload.c (push_reload): When merging reloads, make sure
557 that reload_in_reg and reload_in are from the same reload in
560 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
562 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
563 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
565 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
567 * loop.c (loop_has_tablejump): New variable.
568 (prescan_loop): Scan for it.
569 (insert_bct): Replace explicit scan with use of it.
570 * regclass.c (regclass): Restore loop variable j.
571 (record_reg_classes): Deterine op_types modifiers and initialize
572 classes[i] before matching constraints. Handle matching
575 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
577 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
580 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
582 * mips.h (EXTRA_SPECS): Add missing initializers.
584 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
586 * sparc.h (EXTRA_SPECS): Add missing initializers.
587 (sparc_defer_case_vector): Provide a prototype.
589 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
590 comparing it to the result of a pointer subtraction.
592 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
594 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
595 the argument to (unsigned char).
597 * alpha.h (EXTRA_SPECS): Add missing initializers.
598 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
601 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
603 * flow.c (life_analysis_1): Enable "rescan" code after reload.
604 (propagate_block): Delete dead code after reload.
606 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
607 back Oct 15, 1998 change.
608 * haifa-sched.c (update_flow_info): Likewise.
609 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
611 * mn10200.md (truncated shift): Accept constant inputs too.
613 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
615 * machmode.h (mode_mask_array): No longer const.
616 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
618 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
620 * frame.c: Somewhat explain `FDE'.
621 Suggested by Brendan Kehoe
623 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
625 * expr.c (pending_chain): Move up.
626 (save_expr_status): Do save pending_chain.
627 (restore_expr_status): And restore it.
628 * function.h (struct function): Add pending_chain.
630 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
632 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
633 did not match the code.
635 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
637 * regclass.c (regclass): Break out some code into new function
638 scan_one_insn, and into regclass_init.
639 (init_cost): New static variable, moved out of regclass.
640 (regclass_init): Initialize it here, not in .
641 (scan_one_insn): New static function, broken out of regclass.
642 * recog.c (apply_change_group): Break out some code into new
643 function insn_invalid_p.
644 (insn_invalid_p): New static fn, broken out of apply_change_group.
646 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
648 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
649 reg_reloaded_contents matches incremented pseudo.
651 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
653 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
655 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
656 addressing modes with side effects. These are currently
657 placeholders for the C4x target.
659 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
661 * loop.c (express_from): Make sure that when generating a PLUS of
662 a PLUS, any constant expression appears on the outermost PLUS.
664 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
666 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
667 works if "$(srcdir)" != ".".
669 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
671 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
672 existing SUBREG if we can, otherwise abort.
674 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
676 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
677 `restrict' is applied to a non-pointer variable.
679 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
681 * invoke.texi: Document -flang-isoc9x.
683 * Makefile.in (OBJS): Add splay-tree.o.
684 (c-common.o): Depend on rtl.h.
685 (splay-tree.o): List dependencies and provide build rule.
687 * rtl.h (record_alias_subset): New function.
688 * alias.c: Include splay-tree.h.
689 (alias_set_entry): New type.
690 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
691 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
692 (mems_in_disjoin_alias_sets_p): New function.
693 (alias_set_compare): Likewise.
694 (insert_subset_children): Likewise.
695 (get_alias_set_entry): Likewise.
697 * tree.h (TYPE_RESTRICT): New macro.
698 (TYPE_UNQUALIFIED): New manifest constant.
699 (TYPE_QUAL_CONST): Likewise
700 (TYPE_QUAL_VOLATILE): Likewise.
701 (TYPE_QUAL_RESTRICT): Likewise.
702 (tree_type): Add restrict_flag. Reduce count of free bits.
703 (DECL_POINTER_ALIAS_SET): New macro.
704 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
705 (tree_decl): Add pointer_alias_set.
706 (build_qualified_type): New function.
707 (build_type_variant): Define in terms of build_qualified_type.
708 * tree.c (set_type_quals): New function.
709 (make_node): Initializae DECL_POINTER_ALIAS_SET.
710 (build_type_attribute_variant): Use build_qualified_type and
712 (build_type_variant): Rename, and modify, to become...
713 (build_qualified_type): New function.
714 (build_complex_type): Use set_type_quals.
716 * c-tree.h (C_TYPE_OBJECT_P): New macro.
717 (C_TYPE_FUNCTION_P): Likewise.
718 (C_TYPE_INCOMPLETE_P): Likewise.
719 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
720 (c_apply_type_quals_to_decl): New function.
721 (c_build_qualified_type): New function.
722 (c_build_type_variant): Define in terms of c_build_qualified_type.
723 (flag_isoc9x): Declare.
724 * c-typeck.c (qualify_type): Use c_build_qualified_type.
725 (common_type): Change to use TYPE_QUALS.
726 (comptypes): Likewise.
727 (convert_for_assignment): Likewise.
728 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
729 * c-decl.c (flag_isoc9x): Define.
730 (c_decode_option): Handle -flang-isoc9x.
731 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
732 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
733 * c-lex.c (init_lex): Deal with restrict.
734 (init_lex): Don't treat restrict as a reserved word in
735 -traditional mode, or without -flang-isoc9x.
736 * c-lex.h (rid): Add RID_RESTRICT.
737 * c-parse.gperf (restrict, __restrict, __restrict__): Make
738 equivalent to RID_RESTRICT.
739 * c-parse.in (TYPE_QUAL): Update comment.
740 * c-common.c: Include rtl.h.
741 (c_find_base_decl): New function.
742 (c_build_type_variant): Rename, and modify, to become ...
743 (c_build_qualified_type): New function.
744 (c_apply_type_quals_to_decl): Likewise.
745 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
746 a particular alias set for the reference.
747 * toplev.c (documented_lang_options): Add -flang-isoc9x.
749 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
751 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
752 command line switches.
754 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
756 * reload.c (loc_mentioned_in_p): Add missing braces to bind
759 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
761 * gcc.c (option_map): Added --classpath and --CLASSPATH.
763 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
765 * regclass.c (fix_register): Add error message.
766 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
769 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * c-decl.c (warn_missing_noreturn): New global variable.
772 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
773 (finish_function): Implement missing noreturn warning.
775 * c-tree.h (warn_missing_noreturn): Declare extern.
777 * invoke.texi: Document new flags.
779 * toplev.c (documented_lang_options): Add description.
781 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
783 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
784 loop optimization stable for the C4x.
785 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
786 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
787 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
789 (c4x_address_conflict): Be more paranoid when packing a volatile
790 memref in a parallel load/store.
792 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
794 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
795 repeat_block_filler): Deleted.
796 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
797 Condition code not set if destination register from 'c' class.
798 (*subbqi3_carry_clobber): Fix typo.
800 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
802 * reorg.c (steal_delay_list_from_target) Check for insns that
803 modify the condition codes and effect the direction of the jump
806 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
808 * function.c (purge_addressof_1): Replace call to
809 emit_insns_before() with emit_insn_before().
811 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
813 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
815 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
817 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
819 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
821 * gcse.c (compute_hash_table): Correctly identify hard regs which are
822 clobbered across calls.
824 * loop.c (scan_loop): Be more selective about what invariants are
827 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
829 * version.c: Bump for snapshot.
831 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
833 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
834 static eh_context structure.
836 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
838 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
840 (try_combine): Don't update max_scratch.
841 * flow.c (max_scratch, num_scratch): Delete variables.
842 (life_analysis_1): Don't initialize max_scratch.
843 (propagate_block): Don't update max_scratch.
844 (mark_set_1): Don't increment num_scratch.
845 * regs.h (max_scratch): Delete declaration.
847 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
849 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
850 is nonzero. This is temporary!
852 * sched.c (update_flow_info): Handle death notes made invalid by
853 instruction splitting. Partially reverts Oct 15, 1998 patch.
854 * haifa-sched.c (update_flow_info): Likewise.
856 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
858 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
859 if it has a nonzero DECL_INITIAL.
861 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
863 * Makefile.in (flow.o): Depend on recog.h.
865 * cpplib.h (directive_table): Add missing initializiers.
866 (finclude): Change type of variable `bsize' to size_t.
868 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
870 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
872 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
873 `int' when comparing against one.
874 (cpp_file_line_for_message): Mark parameter `pfile' with
876 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
878 * flow.c: Include recog.h.
879 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
881 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
882 `f' with ATTRIBUTE_UNUSED.
883 (reposition_prologue_and_epilogue_notes): Likewise.
885 * genopinit.c (gen_insn): Cast argument of ctype functions to
888 * haifa-sched.c: Include recog.h.
889 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
890 comparing against one.
892 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
894 * mips-tfile.c (parse_end): Cast the argument of ctype function to
896 (parse_ent): Likewise.
897 (parse_input): Likewise.
899 * optabs.c (init_libfuncs): Likewise.
901 * protoize.c (find_rightmost_formals_list): Likewise.
903 * recog.h (const_double_operand): Fix typo in prototype.
905 * tlink.c (scan_linker_output): Cast the argument of ctype
906 function to `unsigned char'.
908 * toplev.c (check_lang_option): Cast the result of `strlen' to
909 `int' when comparing against one.
911 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
913 * gcse.c (dump_cuid_table): Correct typo.
915 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
917 * toplev.c (display_help): Prepend '-m' to target specific
919 (check_lang_option): Ignore text after end of first word of a
920 language specific option.
922 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
924 * reload1.c (reg_used_by_pseudo): New static variable.
925 (choose_reload_regs): Initialize it.
926 Use it instead of testing spill_reg_order to determine whether a
927 pseudo is live in a hard register across the current insn.
928 Fix a typo in a reference to reload_reg_rtx.
930 * flow.c (propagate_block): Replace code that computes and uses
931 regs_sometimes_live with simpler code that just walks the set of
932 currently live registers.
934 * Makefile.in (insn-extract.o): Fix dependencies.
935 * genextract.c (main): Generate includes for insn-config.h and
937 Delete generation of declarations which are now in recog.h.
938 * genrecog.c (main): Delete generation of definitions which are
940 * local-alloc.c (block_alloc): Use extract_insn and the variables
941 it sets up instead of looking up values by insn_code.
942 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
943 recog_dup_num): Define here instead of generating the definition in
945 (recog_n_operands, recog_n_dups, recog_n_alternatives,
946 recog_operand_mode, recog_constraints, recog_operand_address_p):
948 (extract_insn): New function.
949 * recog.h (extract_insn): Declare function.
950 (which_alternative, recog_n_operands, recog_n_dups,
951 recog_n_alternatives, recog_operand_mode, recog_constraints,
952 recog_operand_address_p): Declare variables.
953 * regclass.c (n_occurrences): New static function.
954 * reload.c (n_occurrences): Delete function.
955 (find_reloads): Use extract_insn.
956 * reload.h (n_occurrences): Delete declaration.
958 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
960 * reload1.c (reload_as_needed): Fix test for when to call
961 update_eliminable_offsets.
963 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
965 Fix consistency problems with reg_equiv_{mem,address};
966 Improve reload inheritance;
968 * reload.c (reload_out_reg): New variable.
969 (loc_mentioned_in_p, remove_address_replacements): New functions.
970 (remove_replacements): Deleted.
971 (push_reload): Set reload_out_reg[i].
972 When merging, also set reload_{in,out}_reg[i], and remove
973 duplicate address reloads.
974 (combine_reloads): Copy reload_out_reg[i].
975 (find_reloads): Do make_memloc substitution also when
976 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
978 Include *recog_operand_loc in commutativity operand changes.
979 Generate optional output reloads.
980 Delete reference to n_memlocs. Don't set *recog_operand_loc before
981 processing operands. Call make_memloc in reg_equiv_address code.
982 Set *recog_operand_loc only after processing operands, and only
983 if replace is true. Return a value.
984 When changing address reload types for operands that didn't get
985 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
986 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
987 Don't emit USEs for pseudo SUBREGs when not replacing.
988 (find_reloads_address): Do make_memloc substitution also when
989 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
991 (find_reloads_toplev): Likewise.
992 Call make_memloc in reg_equiv_address code.
993 (debug_reload_to_stream): Add code to output reload_out_reg.
994 (make_memloc): Delete local variable i, ifdefed out code, and
995 references to memlocs and n_memlocs.
996 (memlocs, n_memlocs): Delete.
997 (push_secondary_reload): Clear reload_out_reg.
998 (find_reloads_address_1): Provide memrefloc argument to all calls
999 to find_reloads_address.
1000 In AUTO_INC code, handle non-directly addressable equivalences properly.
1001 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1002 (find_reloads): Add return type.
1003 (remove_address_replacements, deallocate_reload_reg): Declare.
1004 * reload1.c (num_not_at_initial_offset): No longer static.
1005 (delete_address_reloads, delete_address_reloads_1): Likewise.
1006 (deallocate_reload_reg): New function.
1007 (spill_reg_stored_to): New array.
1008 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1009 (eliminate_regs_in_insn): Move assignments of previous_offset and
1010 max_offset fields, and recalculation of num_not_at_initial_offset
1011 into new static function:
1012 (update_eliminable_offsets) .
1013 (reload_as_needed): Call update_eliminable_offsetss after calling
1015 Call forget_old_reloads_1 with contents of reloaded auto_inc
1016 expressions if the actual addressing can't be changed to match the
1018 (choose_reload_regs): For inheritance, replace
1019 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1020 remove stand-alone reload_reg_used_at_all test.
1021 Use reload_out_reg to determine which reload regs have output reloads.
1022 Treat reload_override_in more similar to inherited reloads.
1023 Handle (subreg (reg... for inheritance.
1024 For flag_expensive_optimizations, add an extra pass to remove
1025 unnecessary reloads from known working inheritance.
1026 Delete obsolete code for pseudos replaced with MEMs.
1027 Handle inheritance from auto_inc expressions.
1028 (emit_reload_insns): If reload_in is a MEM, set OLD to
1030 Don't reload directly from oldequiv; if it's a pseudo with a
1031 stack slot, use reload_in[j].
1032 Check that reload_in_reg[j] is a MEM before replacing reload_in
1033 from reg_reloaded_contents.
1034 Include non-spill registers in reload inheritance processing.
1035 Also try to use reload_out_reg to set spill_reg_store /
1036 reg_last_reload_reg.
1037 In code to set new_spill_reg_store, use single_set to find out if
1038 there is a single set.
1039 Add code that allows to delete optional output reloads.
1040 Add code to allow deletion of output reloads that use no spill reg.
1041 At the end, set reload_override_in to oldequiv.
1042 Also call delete_output_reload if reload_out_reg is equal to old
1044 Add code to call delete_output_reload for stores with no matching load.
1045 Set / use spill_reg_stored_to.
1046 Handle case where secondary output reload uses a temporary, but
1047 actual store isn't found.
1048 When looking for a store of a value not loaded in order to call
1049 delete_output_reload, count_occurences should return 0 for no
1050 loads; but discount inherited input reloadill_reg_stored_to.
1051 Do checks for extra uses of REG. Changed all
1053 Use delete_address_reloads.
1054 (reload): Take return value of find_reloads into account.
1055 If a no-op set needs more than one reload, delete it.
1056 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1057 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1058 for the same operand.
1059 (clear_reload_reg_in_use): Check for other reloads that keep a
1061 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1062 RELOAD_FOR_OPADDR_ADDR.
1063 Take into account when an address address reload is only needed
1064 for the address reload we are considering.
1065 (count_occurrences): Use rtx_equal_p for MEMs.
1066 (inc_for_reload): Return instruction that stores into RELOADREG.
1067 New argument two, IN, and rtx. Changed all callers.
1068 (calculate_needs_all_insns, reload_as_needed):
1069 Don't clear after_call for a CLOBBER.
1070 Keep track of how many hard registers need to be copied from
1071 after_call, and don't clear after_call before we have seen
1072 that much copies, or we see a different instruction.
1074 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1076 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1077 after reload has completed.
1079 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1081 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1082 a macro name and the next token with a single blank if that whitespace
1083 is in a macro buffer and the next token is not '('.
1085 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1087 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1089 (skip_if_group): Ditto.
1090 (skip_to_end_of_comment): Ditto.
1092 (discard_comments): Ditto.
1093 (change_newlines): Ditto.
1095 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1097 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1099 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1101 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1102 (TARGET_OPTIONS): Add --help documentation.
1104 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1108 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1110 * fixinc/* Moved in from ../contrib directory in preparation
1111 for integrating it into the normal build process. In particular,
1112 fixinc/Makefile.in must be config-ed into the build directory
1113 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1114 ./configure.in will be "in the mail" momentarily.
1116 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1118 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1119 accidently walk into the free list. Comment how that can happen.
1120 (invalidate): Fix indentation.
1122 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1123 Jeffrey A Law (law@cygnus.com)
1125 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1126 reload. Never perform rescans of the insn chain after reload.
1127 (propagate_block): Do not delete insn or create new autoinc addressing
1130 * jump.c (jump_optimize): Unconditionally use the code that was
1131 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1132 * reload1.c (reload): When reloading is finished, delete all
1133 REG_DEAD and REG_UNUSED notes.
1134 (emit_reload_insns): Delete all code that was conditional on
1135 PRESERVE_DEATH_INFO_REGNO_P.
1136 (no_longer_dead_regs): Delete variable.
1137 (reload_cse_delete_death_notes): Delete function.
1138 (reload_cse_no_longer_dead): Delete function.
1139 (reload_cse_regs_1): Delete all code to handle deletion of death
1141 (reload_cse_noop_set_p): Likewise.
1142 (reload_cse_simplify_set): Likewise.
1143 (reload_cse_simplify_operands): Likewise.
1144 (reload_cse_move2add): Likewise.
1145 * reorg.c (used_spill_regs): Delete declaration.
1146 (max_label_num_after_reload): Delete declaration.
1147 (find_dead_or_set_registers): Don't assume that spill regs are
1148 dead at a CODE_LABEL.
1149 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1151 * sched.c (sched_analyze_insn): Likewise.
1152 (update_flow_info): Likewise.
1153 * haifa-sched.c (sched_analyze_insn): Likewise.
1154 (update_flow_info): Likewise.
1155 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1156 * toplev.c (max_label_num_after_reload): Delete variable.
1157 (rest_of_compilation): Don't set max_label_num_after_reload.
1158 Call life_analysis after reload_cse_regs if optimizing.
1159 * config/gmicro/gmicro.h: Delete comment referring to
1160 PRESERVE_DEATH_INFO_REGNO_P.
1161 * config/i386/i386.h: Likewise.
1162 * config/m88k/m88k.h: Likewise.
1163 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1164 * config/sh/sh.h: Likewise.
1166 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1168 * loop.c (strength_reduce): Restore marking bct_p as
1170 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1171 HAVE_decrement_and_branch_on_count.
1172 (small_data_operand): Remove TARGET_ELF condition for marking
1173 parameters ATTRIBUTE_UNUSED.
1175 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1177 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1178 (SELECT_SECTION): Resync with svr4.h.
1180 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1182 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1185 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1187 * c-pragma.c (handle_pragma_token): Test for null tree before
1188 dereferencing TREE_CODE.
1190 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1192 * config/c4x/c4x.c: Convert to use GEN_INT.
1193 (c4x_parallel_process): Rework to handle new repeat loop structure.
1195 * config/c4x/c4x.md: Convert to use GEN_INT.
1196 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1197 (decrement_and_branch_on_count): Likewise.
1199 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1200 loop.c has the desired functionality.
1201 (rc_reg_operand): New prototype.
1203 * config/c4x/t-c4x: Can now build all front ends.
1205 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1207 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1209 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1211 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1212 * config/t-rtems: Do not install assert.h -- use newlib's.
1214 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1216 * combine.c (combine_instructions): When finished, call init_recog.
1217 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1219 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1221 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1223 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1225 * cppalloc.c (memory_full): Mark function prototype with
1228 * demangle.h (collect_exit): Likewise.
1230 * fix-header.c (v_fatal, fatal): Likewise.
1232 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1235 * gcov.c (print_usage): Likewise.
1237 * genattr.c (fatal, fancy_abort): Likewise.
1239 * genattrtab.c (fatal, fancy_abort): Likewise.
1241 * gencodes.c (fatal, fancy_abort): Likewise.
1243 * genconfig.c (fatal, fancy_abort): Likewise.
1245 * genemit.c (fatal, fancy_abort): Likewise.
1247 * genextract.c (fatal, fancy_abort): Likewise.
1249 * genflags.c (fatal, fancy_abort): Likewise.
1251 * genopinit.c (fatal, fancy_abort): Likewise.
1253 * genoutput.c (fatal, fancy_abort): Likewise.
1255 * genpeep.c (fatal, fancy_abort): Likewise.
1257 * genrecog.c (fatal, fancy_abort): Likewise.
1259 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1260 __sjpopnthrow, __throw): Likewise.
1262 * objc/objc-act.c (objc_fatal): Likewise.
1264 * protoize.c (usage, aux_info_corrupted,
1265 declare_source_confusing): Likewise.
1267 * rtl.c (dump_and_abort): Likewise.
1269 * rtl.h (sets_cc0_p): Likewise.
1271 * toplev.c (float_signal, pipe_closed): Likewise.
1273 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1275 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1276 when generating the decision tree for the general case.
1278 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1279 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1281 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1283 * Makefile.in (sched.o): Depend on recog.h.
1285 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1286 (unsigned) when comparing against one.
1287 (find_base_value): Likewise.
1288 (record_base_value): Cast variable `regno' to (unsigned) when
1289 comparing against one. Cast the result of REGNO() macro to
1290 (unsigned) when comparing against one.
1291 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1293 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1294 variable where an unsigned index is needed.
1296 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1297 before comparing against one.
1299 * collect2.c: Add prototypes for functions `error', `fatal' and
1300 `fatal_perror'. Make these functions take variable arguments
1301 instead of faking it with a fixed number of args.
1302 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1305 * combine.c (can_combine_p): Mark parameter `pred' with
1307 (find_split_point): Cast variable `src' to (unsigned
1308 HOST_WIDE_INT) when comparing against one.
1309 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1310 (simplify_logical): Likewise.
1311 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1312 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1313 HOST_WIDE_INT) in shift.
1314 (simplify_and_const_int): Cast result of INTVAL() macro to
1315 `unsigned HOST_WIDE_INT' when comparing against one.
1316 (merge_outer_ops): Cast variable const0 to `unsigned
1317 HOST_WIDE_INT' when comparing against the result of
1318 GET_MODE_MASK() macro.
1319 (simplify_comparison): Likewise for variable `c0'. Cast variable
1320 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1321 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1322 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1323 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1324 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1325 comparing against one.
1326 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1328 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1329 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1330 (output_block_move): Cast `sizeof' expression to (int) when
1331 comparing against one.
1332 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1334 (save_restore_insns): Cast `base_offset' to `long' to match format
1335 specifier in fprintf.
1337 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1338 to `enum machine_mode'.
1340 * flow.c (life_analysis_1): Remove unused variable `insn'.
1342 * gcc.c (translate_options): Move variables `j' and `k' into the
1343 scope in which they are used. Change their types to `size_t'.
1344 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1345 (read_specs): Likewise.
1346 (process_command): Cast `sizeof' to (int) when comparing against one.
1347 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1348 (handle_braces): Cast both sides of `==' expression to `long' to
1349 ensure sign matching.
1350 (main): Cast variable `i' to `int' when comparing against one.
1352 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1353 int to size_t. Cast variable `i' to size_t when comparing against
1356 * genattrtab.c (convert_set_attr_alternative): Remove unused
1357 parameter `insn_code'. All callers changed.
1358 (convert_set_attr): Likewise.
1360 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1361 size_t when comparing against one. Likewise for variable `len'.
1363 * global.c (global_alloc): Cast variable `max_regno' to size_t
1364 when comparing against one. Likewise for variable `max_allocno'.
1366 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1368 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1369 `set' with ATTRIBUTE_UNUSED.
1370 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1373 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1374 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1375 (get_condition): Cast variable `const_val' to `unsigned
1376 HOST_WIDE_INT' when comparing against one. Cast unsigned
1377 expression to HOST_WIDE_INT when comparing against one.
1378 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1379 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1380 `unsigned' when comparing against one.
1382 * protoize.c (is_id_char): Change type of parameter `ch' to
1384 (munge_compile_params): Cast argument of ctype macro to (const
1386 (process_aux_info_file): Cast variable `aux_info_size' to int when
1387 comparing against one.
1388 (forward_to_next_token_char): Cast argument of ctype macro to
1389 `const unsigned char'.
1390 (edit_formals_lists): Likewise.
1391 (find_rightmost_formals_list): Likewise.
1392 (add_local_decl): Likewise.
1393 (add_global_decls): Likewise.
1394 (edit_fn_definition): Likewise.
1395 (do_cleaning): Likewise.
1396 (scan_for_missed_items): Likewise.
1397 (edit_file): Cast variable `orig_size' to (int) when comparing
1399 (main): Cast argument of ctype macro to `const unsigned char'.
1401 * recog.c (const_int_operand): Mark parameter `mode' with
1404 * regclass.c (record_reg_classes): Change type of variable `c' to
1405 `unsigned char'. Cast `char' array index to `unsigned char'.
1407 * reload.c (push_secondary_reload): Cast argument to
1408 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1410 * reload1.c (calculate_needs): Cast `char' array index to
1412 (set_label_offsets): Change type of variable `i' to unsigned int.
1413 Cast result of XVECLEN() macro to unsigned when comparing against
1415 (mark_not_eliminable): Change type of variable `i' to unsigned.
1416 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1417 when comparing against one.
1418 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1419 comparing against one.
1420 (choose_reload_regs): Hide unused label `fail'.
1421 (reload_cse_simplify_operands): Cast `char' array index to
1423 (reload_combine_note_store): Mark parameter `set' with
1424 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1426 (reload_cse_move2add): Remove unused variable `src2'.
1428 * sched.c: Include recog.h.
1429 (sched_note_set): Remove unused parameter `b'. All callers
1431 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1432 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1433 when comparing against one.
1435 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1436 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1437 comparing against one.
1439 * unroll.c (precondition_loop_p): Remove unused parameter
1440 `loop_end'. All callers changed.
1442 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1444 * reload1.c (maybe_fix_stack_asms): New static function.
1447 * reload.h (compute_use_by_pseudos): Declare.
1449 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1450 (something_needs_reloads): Delete variable.
1451 (finish_spills): New function.
1452 (compute_use_by_pseudos): New function.
1454 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1455 Use the reload_insn_chain instead of walking the rtl directly.
1457 (reload): Allocate and free spilled_pseudos.
1458 Ensure that all calls of spill_hard_reg are followed by a call to
1460 Use the insns_need_reload list instead of something_needs_reloads
1461 to find out if reload_as_needed must be called.
1462 Clear unused_insn_chains at the end.
1464 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1466 Delete code to keep track of current basic block.
1467 Walk reload_insn_chain instead of the rtl structure. Build the
1468 insns_need_reload chain.
1469 Remember which insns need reloading/elimination by setting the
1470 appropriate fields in struct insn_chain, not by putting modes on the
1473 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1474 arg INSN. All callers changed.
1475 Delete declaration of struct needs.
1476 Don't set something_needs_reloads.
1477 Record insn needs in the CHAIN argument.
1479 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1481 (reload_as_needed): Lose FIRST arg. All callers changed.
1482 Walk the reload_insn_chain instead of the rtx structure.
1483 Delete code to keep track of current basic block.
1484 Rename one of the NEXT variables to OLD_NEXT.
1486 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1488 (choose_reload_regs): Likewise.
1490 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1493 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1494 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1495 (hard_regs_live, hard_regs_need_restore): Delete variables.
1496 (n_regs_saved): Now static.
1497 (referenced_regs, this_insn_sets): New variables.
1499 (setup_save_areas): Restructure the code a bit.
1501 (restore_referenced_regs): Delete function.
1502 (mark_referenced_regs): New function, similar to the old
1503 restore_referenced_regs, but mark registers in referenced_regs.
1505 (clear_reg_live): Delete function.
1506 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1507 Only mark registers in this_insn_sets.
1509 (save_call_clobbered_regs): Rework this function to walk the
1510 reload_insn_chain instead of using the list of instructions directly.
1511 Delete code to keep track of register lives, compute live regs on the
1512 fly from information in the chain.
1513 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1514 then walk the set it computes and call insert_restore as appropriate.
1516 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1518 Restructure the code a bit. Test hard_regs_saved instead of
1519 hard_regs_need_restore.
1520 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1521 args. All callers changed.
1522 Restructure the code a bit. Use TO_SAVE to determine which regs to
1523 save instead of more complicated test.
1524 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1526 Create a new insn_chain structure for the new insn and place it
1529 * rtl.texi: Update documentation to reflect that reload no longer
1530 puts modes on the insns.
1532 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1534 * function.c (purge_addressof_1): Force the first argument of a
1535 CALL insn to memory.
1537 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1539 * rtl.h: Delete duplicate prototypes. Add some missing
1541 * rtlanal.c: (for_each_rtx): Formatting tweak.
1543 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1545 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1546 to be compatible with TI compiler.
1548 * Makefile.in (USER_H): Add va-c4x.h to definition.
1550 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1552 * function.c (purge_addressof_1): Fix typo in inequality: do
1553 bitfield optimization for equal mode sizes.
1554 * expmed.c (store_bit_field): Don't take subregs of subregs in
1555 the movstrict case. Tidy a potential problem in the multi-word case.
1556 (extract_bit_field): Likewise.
1558 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1560 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1562 Compute max_uid_for_flow by calling get_max_uid after the scan.
1563 (find_basic_blocks_1): Don't emit NOPs here.
1565 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1567 * alias.c (base_alias_check): Accept new args for the modes of the
1568 two references. Use them to determine if an AND can overlap. Update
1570 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1571 to determine if an AND can overlap.
1573 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1575 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1576 check. Add comment to document problems with TARGET_SUN_FPA version
1578 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1580 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1582 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1584 * c-common.c (print_char_table): Add missing initializers.
1585 (scan_char_table): Likewise.
1586 (time_char_table): Likewise.
1588 * c-decl.c (c_decode_option): Mark parameter `argc' with
1590 (declare_parm_level): Mark parameter `definition_flag' with
1593 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1594 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1597 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1599 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1601 (expand_call): Cast result of MIN() to (unsigned int) when
1602 comparing against an unsigned value.
1604 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1606 (make_definition): Remove unused parameter `op'. All callers
1608 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1609 comparing against the result of pointer arithmetic.
1611 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1612 when comparing against one.
1614 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1615 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1617 (output_die): Move variable `i' into the scope in which it is
1618 used. Change its type to `unsigned'.
1619 (output_die): Cast the result of `strlen' to (int) when passing it
1620 to ASM_OUTPUT_ASCII().
1621 (output_pubnames): Likewise.
1622 (output_line_info): Likewise.
1624 * emit-rtl.c (global_rtl): Add missing initializers.
1626 * explow.c (promote_mode): Mark parameter `for_call' with
1629 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1630 `unsigned HOST_WIDE_INT' when comparing against one.
1631 (synth_mult): Change type of variable `cost' to int.
1632 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1634 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1635 when comparing against one.
1636 (get_inner_reference): Change variable `alignment' to unsigned.
1637 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1638 int) when comparing against one.
1639 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1641 * fold-const.c (div_and_round_double): Cast BASE to
1642 (HOST_WIDE_INT) when comparing against one.
1644 * gencheck.c: Include gansidecl.h.
1645 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1647 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1648 `tcode' with ATTRIBUTE_UNUSED.
1650 * real.c (edivm): Cast constant value to (unsigned long) in
1651 expression compared against an unsigned value.
1653 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1654 comparing against one.
1655 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1656 when comparing against one.
1658 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1659 (unsigned int) when comparing against one. Likewise for
1661 (smallest_mode_for_size): Likewise.
1662 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1663 (restore_storage_status): Likewise.
1665 * toplev.c (debug_args): Add missing initializer.
1666 (f_options): Spelling correction. Add missing initializers.
1667 (documented_lang_options): Likewise.
1668 (debug_end_source_file): Mark parameter `lineno' with
1671 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1672 `decl' and `type' with ATTRIBUTE_UNUSED.
1674 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1675 when comparing against one.
1676 (assemble_variable): Mark parameter `top_level' with
1678 (assemble_external_libcall): Mark parameter `fun' with
1680 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1683 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1685 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1686 Replace use of r5 with use of r19.
1688 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1690 * config/v850/v850.c (compute_register_save_size): Allow for the
1691 fact that helper functions save all registers, not just those used
1694 Replace constant 31 with macro LINK_POINTER_REGNUM.
1696 * config/v850/v850.md: Use 'indirect_operand' rather than
1697 'memory_operand' for bit test/set/clear patterns.
1699 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1701 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1702 * varasm.c (assemble_start_function et al): Don't call
1703 ASM_GLOBALIZE_LABEL for weak symbols.
1705 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1707 * cse.c (equiv_constant): Check for NULL return from
1708 gen_lowpart_if_possible().
1710 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1712 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1714 * collect2.c (main): Pass -EL/-EB through to the compiler.
1716 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1718 * expr.c (push_block): Handle targets where the stack grows
1719 to higher addresses, but args grow to lower addresses and
1720 ACCUMULATE_OUTGOING_ARGS is not defined.
1722 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1724 * config/v850/v850.c (print_operand): Extend meaning
1725 of 'c' operands to support .vtinherit.
1727 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1729 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1730 Added ATTRIBUTE_UNUSED to unused function arguments.
1731 (rc_reg_operand): New predicate.
1732 (c4x_rptb_insert): New function.
1733 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1734 (c4x_optimization_options): New function.
1736 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1737 (decrement_and_branch_on_count): New pattern.
1738 (rptb_top): Modified pattern to work with BCT optimization.
1740 * config/c4x/c4x.h (RC_REG): New register class.
1741 (rc_reg_operand): Define prototype.
1742 (IS_RC_REG): New macro.
1743 (IS_RC_OR_PSEUDO_REG): New macro.
1744 (IS_RC_OR_PSEUDO_REGNO): New macro.
1745 (OPTIMIZATION_OPTIONS): Define.
1747 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1749 * collect2.c (extract_init_priority): No priority is 65535.
1751 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1753 * Makefile.in (build_tooldir): new variable, same as old
1754 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1755 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1756 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1758 * configure.in (gxx_include_dir): set default based on unlibsubdir
1759 * Makefile.in (tooldir): ditto
1760 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1761 gxx_include_dir, includedir and tooldir
1762 (protoize.o, unprotoize.o): ditto
1764 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1766 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1768 * config/arm/thumb.c (thumb_override_options): Add warning about
1769 PIC code not being supported just yet.
1771 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1773 * flow.c: Update comment.
1774 (notice_stack_pointer_modification): New static function.
1775 (record_volatile_insns): Use it.
1776 (mark_regs_live_at_end): Mark the stack pointer as alive
1777 at the end of the function if current_function_sp_is_unchanging
1779 (life_analysis_1): Set current_function_sp_is_unchanging.
1780 * function.c: Define it.
1781 (init_function_start): Initialize it.
1782 * output.h: Declare it.
1783 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1784 the stack pointer as alive at the end of the function if
1785 current_function_sp_is_unchanging is set.
1786 * i386.c (ix86_epilogue): Optimize the restoring
1787 of the stack pointer.
1789 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1791 * version.c: Bump for snapshot.
1793 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1795 * c-pragma.c (handle_pragma_token): If passed a token instead
1796 of a tree, use that as the pack value.
1798 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1800 * flow.c (find_basic_blocks_1): Fix prototype.
1802 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1804 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1805 (struct tree_decl): New fields no_check_memory_usage.
1806 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1807 (init_attributes): Register it as a new attribute.
1808 (decl_attributes): Set flags on functions given that attribute.
1809 * c-decl.c (duplicate_decls): Merge new attribute.
1810 * expr.h (current_function_check_memory_usage): Declare new var.
1811 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1812 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1813 current_function_check_memory_usage.
1814 * function.h: Add field to struct function.
1815 * function.c (current_function_check_memory_usage): Define it.
1816 (push_function_context_to, pop_function_context_from): Save and
1818 (expand_function_start): Set it, based on global flag and function
1821 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1822 check non-automatic variables, to permit detection of writes to
1823 read-only locations in embedded systems without memory management.
1824 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1825 when emitting chkr_set_right_libfunc call, even if the argument is
1826 BLKmode or variable-sized; don't abort.
1828 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1829 symbols in Pmode, not VOIDmode.
1831 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1833 * cppexp.c: When forcing unsigned comparisons, cast both sides
1836 * cpphash.h: Move static declaration of hashtab[]...
1837 * cpphash.c: ...here.
1839 * cpplib.c: Cast difference of two pointers to size_t before
1840 comparing it to size_t. Cast signed to unsigned
1841 before comparing to size_t. (FIXME: struct argdata should use
1842 unsigned buffer sizes.)
1843 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1844 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1845 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1846 size_t before comparison.
1848 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1850 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1851 (find_basic_blocks_1): Similarly.
1852 * output.h (find_basic_blocks): Fix prototype.
1853 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1854 find_basic_blocks anymore.
1856 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1858 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1859 (sbitmap_free, sbitmap_vector_free): New macros.
1860 * output.h (rtl_dump_file): Declare.
1862 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1864 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1866 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1868 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1870 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1871 (divide): Remove unused variable `tmp'.
1872 (si_to_float): Cast numeric constant to (SItype) before comparing
1875 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1877 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1878 * gcc.c (add_preprocessor_option): Correct typo when allocating
1879 memory, sizeof() argument had one too many `*'.
1880 (add_assembler_option): Likewise.
1881 (add_linker_option): Likewise.
1882 * gcov.c (output_data): Likewise.
1883 * local-alloc.c (memref_used_between_p): Likewise.
1884 (update_equiv_regs): Likewise.
1885 * loop.c (strength_reduce): Likewise.
1886 * reg-stack.c (record_asm_reg_life): Likewise.
1887 (subst_asm_stack_reg): Likewise.
1888 * reorg.c (dbr_schedule): Likewise.
1890 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1892 * flow.c (life_analysis_1): Break out some functions.
1893 (find_basic_blocks_1): Likewise. Also move some variables out and
1895 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1896 new static var nonlocal_label_list with it.
1897 (active_eh_region, nested_eh_region, label_value_list,
1898 nonlocal_label_list): New static variables.
1899 (make_edges, delete_unreachable_blocks, delete_block): New static
1900 functions, broken out of find_basic_blocks_1.
1901 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1902 noop_move_p): New static functions, broken out of life_analysis_1.
1904 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1906 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1907 Take extra care for op0 now possibly being a subreg.
1908 (extract_bit_field): Likewise.
1909 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1910 the reg to memory if there is no equal sized integral mode.
1911 * stor-layout.c (int_mode_for_mode): New function.
1912 * machmode.h: Prototype it.
1914 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1916 * global.c (build_insn_chain): Verify no real insns exist past the
1917 end of the last basic block, then exit the loop.
1919 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1921 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1923 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1925 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
1927 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
1929 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
1931 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
1933 * flow.c (find_basic_blocks): Correctly determine when a call
1934 is within an exception region.
1936 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
1938 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
1940 * cpplib.h: Protect from multiple inclusions.
1941 * cpplib.c: Fix minor formatting problems.
1943 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
1945 * jump.c (jump_optimize): Revert accidental patch.
1947 * Makefile.in (cpplib.o): Use unlibsubdir.
1949 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
1951 * loop.c (get_condition): Allow combine when either compare is
1954 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
1956 * version.c: Bump for snapshot.
1958 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
1960 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
1961 (init_lex): Initialize ridpointers[RID_BYREF].
1962 * c-lex.h (enum rid): Add RID_BYREF.
1963 * c-parse.gperf: Add RID_BYREF as a type qualifier.
1964 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
1965 (encode_type_qualifiers): Similarly
1966 * c-gperf.h: Rebuilt.
1968 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
1970 * c-common.c (type_for_mode): Only return TItype nodes when
1971 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1972 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
1973 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1974 (init_decl_processing): Only create TItype nodes when
1975 HOST_BITS_PER_WIDE_INT is >= 64 bits.
1976 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
1977 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
1979 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1981 * stmt.c (n_occurrences): New static function.
1982 (expand_asm_operands): Verify that all constrains match in the
1983 number of alternatives.
1984 Verify that '+' or '=' are at the beginning of an output constraint.
1985 Don't allow '&' for input operands.
1986 Verify that '%' isn't written for the last operand.
1987 * reload.c (find_reloads): Abort if an asm is found with invalid
1988 constraints; all possible problems ought to be checked for earlier.
1990 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1992 * flags.h (flag_branch_on_count_reg): Always declare
1993 * toplev.c (flag_branch_on_count_reg): Likewise.
1994 * toplev.c: Fix typos.
1996 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
1999 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2001 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2003 (find_basic_blocks_1): Add a nop to the end of a basic block when
2004 a trailing call insn does not have abnormal control flow.
2005 * gcse.c (pre_transpout): New variable.
2006 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2007 (compute_pre_transpout): Calculate it.
2008 (compute_pre_ppinout): Use it to eliminate impossible placements
2009 due to abnormal control flow through calls.
2010 (compute_pre_data): Call compute_pre_transpout.
2012 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2014 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2016 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2018 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2019 and matching define_insns): Tack on a `use' of the table label, so
2020 flow analysis will recognize a tablejump.
2022 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2024 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2025 always end basic blocks for abnormal edge reasons.
2027 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2029 * config/i386/i386.h: Remove definition of
2030 HANDLE_PRAGMA_PACK_PUSH_POP.
2032 * config/i386/go32.h: Add definition of
2033 HANDLE_PRAGMA_PACK_PUSH_POP.
2035 * config/i386/win32.h: Add definition of
2036 HANDLE_PRAGMA_PACK_PUSH_POP.
2038 * config/i386/cygwin32.h: Add definition of
2039 HANDLE_PRAGMA_PACK_PUSH_POP.
2041 * c-pragma.c (insert_pack_attributes): Do not insert
2042 attributes unless #pragma pack(push,<n>) is in effect.
2044 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2046 * expr.c (emit_group_store): Handle a PARALLEL destination.
2048 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2050 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2051 the new insns before the argument regs are loaded.
2053 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2055 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2056 (c-parse.gperf): Update comments describing invocation flags.
2057 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2059 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2061 * reload1.c (reload): Call free before clobbering the memory
2062 locations or constants pointers.
2064 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2066 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2067 for efficiency by checking whether we need to modify the current
2068 stack permission at all.
2069 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2070 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2071 __enable_execute_stack libcall here too if
2072 TRANSFER_FROM_TRAMPOLINE is defined.
2073 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2076 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2078 * Makefile.in (DRIVER_DEFINES): Remove last change.
2080 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2082 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2083 insns we're going to copy.
2084 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2086 * loop.c (count_one_set): Add prototype.
2088 * caller-save.c (restore_referenced_regs): Lose mode argument.
2089 (insert_save): Lose mode argument.
2090 (insert_restore): Lose mode argument.
2091 (insert_one_insn): Lose mode argument.
2092 (save_call_clobbered_regs): Lose mode argument.
2093 (setup_save_areas): Take no argument and return void. All callers
2095 Don't verify validity of memory addresses.
2096 * reload.h (setup_save_ares): Adjust prototype.
2097 (save_call_clobbered_regs): Likewise.
2098 * reload1.c (delete_caller_save_insns): New function.
2099 (caller_save_spill_class): Delete variable.
2100 (caller_save_group_size): Delete variable.
2101 (reload): Call setup_save_areas and save_call_clobbered_regs
2102 in the main loop, before calling calculate_needs_all_insns.
2103 Don't call save_call_clobbered_regs after the loop.
2104 Call delete_caller_save_insns at the end of an iteration if
2106 Delete code to manage caller_save_spill_class.
2107 Emit the final note before setting reload_first_uid.
2108 Simplify test that determines whether reload_as_needed gets run.
2109 (calculate_needs): Delete code to manage caller_save_spill_class.
2111 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2113 * collect2.c (main): Initialize ld_file_name.
2115 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2117 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2118 check for flag_function_sections.
2120 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2122 * cse.c (insert_regs): Fix bug in Sep 24 change.
2124 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2126 * flags.h (flag_dump_unnumbered): Declare.
2127 * toplev.c (flag_dump_unnumbered): Don't declare.
2128 * print-rtl.c (flags.h): Include.
2129 (print_rtl_single): Add return value.
2130 * rtl.h (print_rtl_single): Update declaration.
2131 * flow.c (flag_dump_unnumbered): Don't declare.
2132 (print_rtl_with_bb): Use return value of print_rtl_single.
2134 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2136 * loop.c (count_one_set): New static function, broken out of
2138 (count_loop_regs_set): Call it.
2139 * global.c (mark_reg_store): Handle clobbers here by not calling
2141 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2142 is in fact a clobber.
2143 * integrate.c (process_reg_param): New function, broken out of
2144 expand_inline_function.
2145 (expand_inline_function): Call it.
2148 * i386.md (addsidi3_1): Delete unused variable temp.
2149 (addsidi3_2): Likewise.
2150 (clstrstrsi): Delete unused variable addr1.
2152 * rtl.h: Don't declare any functions also declared in recog.h.
2154 * Makefile.in (stupid.o): Update dependencies.
2155 (global.o): Likewise.
2157 * global.c: Include reload.h
2158 (reg_becomes_live): New function.
2159 (reg_dies): New function.
2160 (build_insn_chain): New function.
2161 (global_alloc): Call build_insn_chain before calling reload.
2163 * reload.h (struct needs): New structure definition.
2164 (struct insn_chain): Likewise.
2165 (reload_insn_chain): Declare variable.
2166 (new_insn_chain): Declare function.
2169 * reload1.c (reload_startobj): New variable.
2170 (reload_insn_chain): New variable.
2171 (unused_insn_chains): New variable.
2172 (new_insn_chain): New function.
2173 (init_reload): Initialize reload_startobj, not reload_firstobj.
2174 (reload): Initialize reload_firstobj.
2175 Before returning, free everything on the reload_obstack.
2177 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2178 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2179 current_chain): New variables.
2180 (reg_where_born): Delete variable.
2181 (REG_WHERE_BORN): New macro.
2182 (find_clobbered_regs): New function.
2183 (stupid_life_analysis): Don't allocate/free reg_where_born.
2184 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2185 reg_where_dead_chain.
2186 Use REG_WHERE_BORN instead of reg_where_born.
2187 While processing the insns, build the reload_insn_chain with
2188 information about register lifetimes.
2189 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2190 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2192 Compute and information about birth and death of pseudo registers in
2193 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2194 Delete code to set elements of reg_where_born.
2196 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2198 * tree.def (GOTO_EXPR): Modified documentation.
2199 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2202 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2204 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2205 loop_final_value, loop_comparison_code): No longer static.
2206 (unroll_loop): Delete loop_start_value update.
2207 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2208 loop_final_value, loop_comparison_code): Extern.
2209 (loop_start_value): Delete extern.
2210 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2211 loop_comparison_value, loop_comparison_code): Delete.
2212 (loop_optimize): Remove initialization for deleted variables.
2213 (strength_reduce): Delete analyze_loop_iterations call. Only call
2214 insert_bct if flag_branch_count_on_reg set.
2215 (analyze_loop_iterations): Delete.
2216 (insert_bct): Remove iteration count calculation. Move checks for
2217 viable BCT optimization to here. Obtain iteration count from
2218 loop_iterations and correct for unrolling. Check for enough
2219 iteration to be beneficial. Comment out runtime iteration count
2221 (insert_bct): Print iteration count in dump file. Remove
2222 loop_var_mode and use word_mode directly.
2224 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2225 * rs6000.c (rs6000_override_options): Use it.
2226 (optimization_options): Enable use of flag_branch_on_count_reg.
2227 * rs6000.md (define_function_unit): Describe 604e.
2229 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2231 * loop.c (move_movables): Corrected threshold calculation for
2232 moved_once registers.
2234 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2236 * loop.c (combine_givs_p): Fix test for identical givs.
2238 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2240 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2241 call abort if the function is already defined.
2243 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2245 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2246 truncation is not a no-op.
2248 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2250 * version.c: Bump for snapshot.
2252 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2254 * version.c: Bump for snapshot.
2256 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2258 * expmed.c (expand_divmod): Don't widen for computing remainder
2259 if we seem to have a divmod pattern for needed mode.
2261 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2263 * cpplib.c (macroexpand): Correct off-by-one error in handling
2266 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2268 * combine.c (expand_field_assignment): Don't do bitwise operations
2269 on MODE_FLOAT; pun to MODE_INT if possible.
2271 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2272 scott snyder <snyder@d0sgif.fnal.gov>
2274 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2275 linker. Recognize mangled names in quotes.
2277 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2279 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2280 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2281 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2282 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2284 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2286 * function.c (purge_addressof_1): If trying to take a sub-word
2287 integral piece of a floating point mode, put it on the stack.
2289 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2291 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2293 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2295 * PROJECTS: Remove template friends.
2297 * collect2.c (sort_ids): Remove unused variable.
2299 * tm.texi (MATH_LIBRARY): Document.
2300 (NEED_MATH_LIBRARY): Remove.
2302 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2303 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2305 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2307 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2308 last_end to 0x7fffffff.
2310 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2312 * function.c (purge_addressof_1): Do not perform endianness
2313 corrections on bitpos, who we call will do it for us.
2315 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2317 * h8300.c (WORD_REG_USED): Fix typo.
2318 (initial_offset): Use WORD_REG_USED.
2320 * h8300.c (handle_pragma): Fix typo.
2322 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2324 * caller-save.c (insert_save_restore): Break this function up
2325 into new functions insert_restore, insert_save and insert_one_insn.
2326 All callers changed.
2327 (insert_restore): New function, mostly broken out of
2328 insert_save_restore.
2329 (insert_save): Likewise.
2330 (insert_one_insn): Likewise.
2331 (restore_referenced_regs): New argument BLOCK. All callers changed.
2332 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2333 in this function, do it in insert_one_insn instead.
2335 * reload1.c (reload): Break out some more pieces into separate
2337 (dump_needs): New function, broken out of reload.
2338 (set_initial_elim_offsets): Likewise.
2339 (init_elim_table): Likewise.
2340 (update_eliminables): Likewise.
2342 * global.c (global_alloc): Delete code to manage the scratch_list.
2343 * local-alloc.c (qty_scratch_rtx): Delete.
2344 (scratch_block): Delete.
2345 (scratch_list): Delete.
2346 (scratch_list_length): Delete.
2347 (scratch_index): Delete.
2348 (alloc_qty_for_scratch): Delete.
2349 (local-alloc): Update initialization of max_qty.
2350 Delete code to manage the scratch list.
2351 Delete code to allocate/initialize qty_scratch_rtx.
2352 (block_alloc): Don't allocate quantities for scratches.
2353 Delete code to manage the scratch list.
2354 * regs.h (scratch_list): Delete declaration.
2355 (scratch_block): Delete declaration.
2356 (scratch_list_length): Delete declaration.
2357 * reload1.c (reload): Delete code to manage the scratch list.
2358 (spill_hard_reg): Likewise.
2359 (mark_scratch_live): Delete.
2361 * recog.c (alter_subreg): Delete declaration.
2363 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2365 * Makefile.in (cccp.o): Fix typo in last patch.
2367 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2369 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2370 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2372 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2374 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2375 NULL_RTX as an argument.
2377 * Makefile.in (unlibsubdir): Define.
2378 (DRIVER_DEFINES): Use unlibsubdir.
2379 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2380 (stmp-fixinc): Similarly.
2382 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2384 * regmove.c (regmove_optimize): Add variable old_max_uid.
2385 At the end of the function, update basic_block_end.
2387 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2389 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2390 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2393 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2395 * config/arm/arm.c: Improve interworking support.
2397 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2399 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2400 copied from reload_out[r] .
2402 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2404 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2405 with more than three size ranges.
2407 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2409 * rtl.c (mode_name): Add a null string at the end of the array.
2410 (mode_wider_mode): Change type to unsigned char.
2411 (mode_mask_array): New variable.
2412 (init_rtl): Update for mode_wider_mode type change.
2414 * rtl.h (mode_wider_mode): Change type to unsigned char.
2415 (mode_mask_array): Declare.
2416 (GET_MODE_MASK): Use mode_mask_array.
2418 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2420 * calls.c (expand_call) : Encapsulate code into
2421 copy_blkmode_from_reg.
2422 * expr.c (copy_blkmode_from_reg): New function.
2423 * expr.h (copy_blkmode_from_reg): New function.
2424 * integrate.c (function_cannot_inline_p): We can inline
2426 (expand_inline_function): Use copy_blkmode_from_reg
2427 if needed. Avoid creating BLKmode REGs.
2428 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2431 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2433 * config/v850/v850.c: Add function prototypes.
2434 Add support for v850 special data areas.
2436 * config/v850/v850.h: Add support for v850 special data areas.
2438 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2439 HANDLE_PRAGMA_PACK_PUSH_POP.
2440 (push_alignment): New function: Cache an alignment requested
2441 by a #pragma pack(push,<n>).
2442 (pop_alignment): New function: Pop an alignment from the
2444 (insert_pack_attributes): New function: Generate __packed__
2445 and __aligned__ attributes for new decls whilst a #pragma pack
2447 (add_weak): New function: Cache a #pragma weak directive.
2448 (handle_pragma_token): Document calling conventions. Add
2449 support for #pragma pack(push,<n>) and #pragma pack (pop).
2451 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2452 are defined enable HANDLE_PRAGMA_PACK.
2453 Move 'struct weak_syms' here (from varasm.c).
2454 Add pragma states for push and pop pragmas.
2456 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2459 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2460 HANDLE_GENERIC_PRAGMAS.
2462 * varasm.c: Move definition of 'struct weak_syms' into
2464 (handle_pragma_weak): Deleted.
2466 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2468 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2470 * c-decl.c (start_function): Add invocation of
2471 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2473 * tm.texi: Remove description of non-existant macro
2474 SET_DEFAULT_SECTION_NAME.
2476 (HANDLE_SYSV_PRAGMA): Document.
2477 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2479 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2481 * config.sub: Recognize i[34567]86-pc-udk as new target.
2482 * configure.in: Likewise.
2483 * config/i386/t-udk: New file.
2484 * config/i386/udk.h: New file.
2486 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2488 * reorg.c (check_annul_list_true_false): Remove unused variables.
2489 (steal_delay_list_from_target): Add missing "used_annul" variable.
2490 (try_merge_delay_insns): Close out half formed comment.
2492 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2494 * cpplib.c (macroexpand): If arg->raw_before or
2495 arg->raw_after, remove any no-reexpansion escape at the
2496 beginning of the pasted token. Correct handling of whitespace
2497 markers and no-reexpand markers at the end if arg->raw_after.
2499 * toplev.c (documented_lang_options): Recognize -include,
2500 -imacros, -iwithprefix, -iwithprefixbefore.
2501 * cpplib.c (cpp_start_read): Process -imacros and -include
2502 switches at the same time and in command-line order, after
2503 initializing the dependency-output code. Emit properly nested
2504 #line directives for them. Emit a #line for the main file
2505 before processing these switches, and don't do it again
2508 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2510 * function.c (purge_addressof_1): Use bitfield manipulation
2511 routines to handle mem mode < reg mode.
2513 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2515 * reorg.c (try_merge_delay_insns): Account for resources referenced
2516 in each instruction in INSN's delay list before trying to eliminate
2517 useless instructions. Similarly when looking at a trial insn's delay
2520 * reorg.c (check_annul_list_true_false): New function.
2521 (steal_delay_list_from_{target,fallthrough}): Call it and also
2522 refine tests for when we may annul if already filled a slot.
2523 (fill_slots_from_thread): Likewise.
2524 (delete_from_delay_slot): Return newly-created thread.
2525 (try_merge_delay_isns): Use its new return value.
2527 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2529 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2530 used to compute a giv or as some other non-counting use.
2532 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2534 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2535 * local-alloc.c (find_free_reg): Use it.
2536 * global.c (find_reg): Likewise.
2537 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2539 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2540 * caller-save.c (init_caller_save): Use it.
2541 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2543 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2545 * configure.in: Add --enable-cpplib option which uses cpplib
2546 for cpp, but doesn't link cpplib into cc1. Make help text
2547 capitalization consistent.
2548 * configure: Rebuilt.
2550 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2552 * function.c (gen_mem_addressof): If the address REG is
2553 REG_USERVAR_P make the new REG be so also.
2554 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2555 in an attempt to clarify slightly.
2557 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2559 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2560 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2562 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2564 * toplev.c: Fix last patch.
2566 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2568 * loop.c (get_condition): Fix typo in May 9 change.
2570 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2572 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2574 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2576 * toplev.c (documented_lang_options): Spelling corrections.
2578 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2580 * configure.in: new flags --with-ld and --with-as, equivalent
2581 to setting LD and AS environment variables. Test whether
2582 specified arguments are GNU commands, and report them with
2583 checking messages. Use the specified AS for configure
2586 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2588 * gcc.c (find_a_file): when looking for `as' and `ld', return
2589 the DEFAULT program if it exists
2590 * collect2.c (main): use DEFAULT_LINKER if it exists
2592 * gcc.c (find_a_file): the test for existence of a full
2593 pathname was reversed
2595 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2597 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2598 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2600 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2602 * tree.h (TYPE_BINFO): Document.
2604 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2606 * i386-coff.h (dbxcoff.h): Added.
2608 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2610 * toplev.c: fix bad patch around flag_data_sections.
2612 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2614 * reload1.c (reload): Use reload_address_index_reg_class and
2615 reload_address_base_reg_class when setting
2616 caller_save_spill_class. (Patch generated by Jim Wilson:
2619 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2621 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2622 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2623 * expr.c (store_field): Add alias_set parameter. Set the
2624 MEM_ALIAS_SET accordingly, if the target is a MEM.
2625 (expand_assignment): Use it.
2626 (store_constructor_field): Pass 0.
2627 (expand_expr): Likewise.
2629 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2631 * flags.h: Add flag_data_sections.
2632 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2633 (compile_file): Error if flag_data_sections not supported.
2634 * varasm.c (assemble_variable): Handle flag_data_sections.
2635 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2636 * config/mips/elf.h: Likewise.
2637 * config/mips/elf64.h: Likewise.
2638 * invoke.texi: Describe -fdata-sections.
2640 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2642 * invoke.texi (-ffloat-store): Clarify that this option
2643 does not affect intermediate results -- only variables.
2645 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2647 * cpp.texi: Update for Fortran usage from Craig.
2649 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2651 * rs6000.c (function_arg_boundary): Revert accidental change on
2654 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2656 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2657 (output_mi_thunk): Declare.
2659 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2660 (output_function_profiler): Use r12 for temp, instead of r11 so
2661 that we preserve the static chain register.
2663 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2665 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2667 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2669 * sh.c (gen_shl_sext): Fix case 5.
2671 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2673 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2675 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2678 accessing variables until they are initialized via va_arg().
2680 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2682 * reload1.c (reload_combine): Initialize set before using.
2684 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2686 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2689 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2691 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2692 operand3 with mask before using it. Patch provided by Jim Wilson.
2694 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2696 * config/sparc/sparc.c (function_value): Perform the equivalent of
2697 PROMOTE_MODE for ARCH64.
2698 (eligible_for_epilogue_delay): Allow DImode operations in delay
2699 slot of a return for ARCH64.
2701 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2703 * sh.md (sqrtsf2): Fix mode of sqrt.
2705 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2707 * reload1.c (choose_reload_regs): Also try inheritance when
2708 reload_in is a stack slot of a pseudo, even if we already got a
2711 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2713 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2714 (reload_cse_regs): New function body: call reload_cse_regs_1,
2715 reload_combine, reload_cse_move2add.
2716 When doing expensive_optimizations, call reload_cse_regs_1 a
2717 second time after reload_cse_move2add.
2718 (reload_combine, reload_combine_note_store): New functions.
2719 (reload_combine_note_use): New function.
2720 (reload_cse_move2add, move2add_note_store): New functions.
2722 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2724 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2725 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2727 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2728 more than 3 such reloads.
2730 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2731 RELOAD_FOR_X_ADDR_ADDR reload.
2733 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2735 * expr.c (store_constructor): When initializing a field that is smaller
2736 than a word, at the start of a word, try to widen it to a full word.
2738 * cse.c (cse_insn): When we are about to change a register,
2739 remove any invalid references to it.
2741 (remove_invalid_subreg_refs): New function.
2742 (mention_regs): Special treatment for SUBREGs.
2743 (insert_regs): Don't strip SUBREG for call to mention_regs.
2744 Check if reg_tick needs to be bumped up before that call.
2745 (lookup_as_function): Try to match known word_mode constants when
2746 looking for a norrower constant.
2747 (canon_hash): Special treatment for SUBREGs.
2749 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2751 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2752 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2753 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2754 and offsets in actual stack trampoline code so they match the
2755 commentary and actually work.
2757 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2759 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2761 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2762 tmake_file. Set extra_parts to needed crt objects.
2763 * configure: Rebuilt.
2764 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2765 (TARGET_DEFAULT): Set if default is v9 or ultra.
2766 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2767 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2768 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2769 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2770 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2771 (TARGET_VERSION): Define.
2772 (MULTILIB_DEFAULT): Define.
2773 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2774 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2775 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2777 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2778 * config/sparc/sparc.c (sparc_override_options): If arch and
2779 pointer size disagree, emit diagnostic and fix it up. If
2780 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2781 V8PLUS in 64-bit mode.
2782 * config/sparc/t-linux64: New file.
2783 * config/sparc/t-sol2-64: New file.
2784 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2785 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2786 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2787 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2788 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2789 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2791 (STARTFILE_SPEC): Set approriately based upon those.
2792 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2793 disposition of DEFAULT_ARCH32_P.
2794 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2795 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2796 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2797 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2798 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2800 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2802 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2804 * rtl.h (init_virtual_regs): New function.
2805 * emit-rtl.c (init_virtual_regs): Define.
2806 (insn_emit): Use it.
2807 * integrate.c (save_for_inline_copying): Likewise.
2809 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2811 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2812 (enum reg_class): Add NONARG_LO_REGS support.
2813 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2814 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2815 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2816 completes. Re-enable HImode REG+OFFSET addresses.
2817 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2819 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2821 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2823 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2824 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2825 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2827 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2829 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2830 jumps as a single entity, taking into account the size of the
2833 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2835 * tree.def (SWITCH_EXPR): New tree node definition.
2837 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2839 * version.c: Bump for snapshot.
2841 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2843 * version.c: Bump for snapshot.
2845 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2847 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2850 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2852 * Revert this patch.
2853 * reload.c (find_reloads): Do not replace a pseudo with
2854 (MEM (reg_equiv_addr)) in the initializing insn for the
2857 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2859 * final.c (final_scan_insn): Disable tracking CC across branches.
2861 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2863 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2864 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2865 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2866 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2867 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2869 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2871 * toplev.c (rest_of_compilation): Skip compiling anything with
2872 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2874 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2876 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2877 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2878 use in_libcall_block.
2879 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2880 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2883 Mon Sep 21 14:02:23 1998
2885 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2886 typo in no-fancy-math-387 description.
2888 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2890 * version.c: Bump for snapshot.
2892 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2894 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2896 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2898 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2899 documented in install.texi.
2900 (TARGET_OPTIONS) Likewise.
2902 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2904 * version.c: Bump for snapshot.
2906 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2908 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2909 * cccp.c (main): Likewise.
2911 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2912 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2915 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2917 * Makefile.in (LIBS): Link in libiberty.a.
2918 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2920 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2922 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2923 it to update bb boundaries. Update caller.
2924 * function.c (reposition_prologue_and_epilogue_notes): Update
2925 bb boundaries wrt the moved note.
2927 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
2929 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
2931 * configure: Regenerate.
2933 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
2935 * alpha.c (alpha_sr_alias_set): New variable.
2936 (override_options): Set it.
2937 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
2938 (mode_mask_operand): Fix signed-unsigned comparision warning.
2939 (alpha_expand_block_move): Likewise.
2940 (print_operand): Likewise.
2941 (get_aligned_mem): Use change_address.
2942 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
2943 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
2944 (alphaev4_next_nop, alphaev5_next_nop): New functions.
2945 (alpha_align_insns): Remade from old alphaev5_align_insns
2946 to handle multiple processors.
2947 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
2948 * output.h (label_to_alignment): Prototype.
2950 * tree.c (new_alias_set): New function.
2951 * tree.h (new_alias_set): Declare it.
2952 * c-common.c (c_get_alias_set): Use it.
2954 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
2956 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
2957 to an ABS expr, convert an unsigned input to signed.
2959 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
2961 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
2963 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2965 * configure.in: Add support for c4x targets.
2966 * configure: Rebuilt.
2968 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
2970 * combine.c (distribute_notes): If an insn is a cc0 user, only
2971 delete it if we can also delete the cc0 setter.
2973 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
2975 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
2976 (invert_truthvalue): Enable truthvalue inversion for
2977 floating-point operands if -ffast-math.
2979 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
2981 * configure.in: Disable collect2 for nextstep. Instead use
2983 * configure: Rebuilt.
2984 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
2985 (ENDFILE_SPEC): Define.
2986 (OBJECT_FORMAT_MACHO): Define.
2987 (EH_FRAME_SECTION_ASM_OP): Define.
2988 * crtstuff.c: Handle MACHO.
2990 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
2992 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
2994 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
2996 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
2997 (_fpadd_parts): Get sign right for 0.
2999 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3001 * ginclude/varargs.h: Add support for C4x target.
3002 * ginclude/stdargs.h: Likewise.
3004 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3006 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3007 (alpha_emit_set_long_const): Rewrite to be callable from reload
3009 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3010 * alpha.md (movdi): Likewise.
3012 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3014 * arm.c (add_constant): New parameter address_only, change caller.
3015 Set it non-zero if taking the address of an item in the pool.
3016 (arm_reorg): Handle cases where we need the address of an item in
3019 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3021 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3022 memory addresses that are not in standard canonical form.
3024 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3026 * README.C4X: New file with information about the c4x ports.
3027 * ginclude/va-c4x.h: New file for c4x varargs support.
3028 * config/c4x: New directory with c4x port files.
3030 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3032 * reload.c (find_reloads): Do not replace a pseudo with
3033 (MEM (reg_equiv_addr)) in the initializing insn for the
3036 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3038 * toplev.c (rest_of_compilation): Set bct_p on second call to
3040 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3042 (strength_reduce): Only call analyze_loop_iterations and
3043 insert_bct if bct_p set.
3044 (check_dbra_loop): Fix typo.
3045 (insert_bct): Use word_mode instead of SImode.
3046 (instrument_loop_bct): Likewise. Do not delete iteration count
3047 condition code generation insn. Initialize iteration count before
3049 * rtl.h (loop_optimize): Update prototype.
3051 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3052 not doubleword aligned.
3054 * rs6000.c (optimization_options): New function.
3055 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3056 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3057 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3058 first; cr1 can be used for FP record condition insns.
3060 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3062 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3065 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3068 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3070 (block_move_call): New function: Call a library routine to copy a
3072 (m32r_expand_block_move): New function: Expand a "movstrsi"
3073 pattern into a sequence of insns.
3074 (m32r_output_block_move): New function: Expand a
3075 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3076 (m32r_block_immediate_operand): New function: Return true if the
3077 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3079 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3081 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3083 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3085 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3087 * regmove.c (copy_src_to_dest): Check that modes match.
3089 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3091 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3093 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3095 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3096 narrower than FLOAT_REGS.
3098 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3100 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3102 * Makefile.in (old_gxx_include_dir): removed
3104 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3106 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3109 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3110 (sh_handle_pragma): Change function arguments to match new
3111 specification for HANDLE_PRAGMA.
3113 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3115 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3117 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3118 When generating output, initialize missing struct member to zero.
3120 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3122 * regmove.c (copy_src_to_dest): Don't copy if that requires
3123 (a) new register(s).
3125 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3127 * global.c (reg_allocno): Now static.
3128 * reload1.c (reg_allocno): Delete declaration.
3129 (order_regs_for_reload): Take no arguments. Don't treat regs
3130 allocated by global differently than those allocated by local-alloc.
3132 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3134 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3135 condition, fix format strings.
3136 (output_function_epilogue): Likewise.
3138 * m68k/m68k.c: Don't include <stdlib.h> directly.
3140 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3142 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3143 mem_first_set, mem_last_set; because 0 can be a CUID.
3144 (oprs_unchanged_p): Use new definition.
3145 (record_last_reg_set_info): Likewise.
3146 (record_last_mem_set_info): Likewise.
3147 (compute_hash_table): Likewise.
3149 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3151 * rs6000.c (output_epilogue): Handle Chill.
3153 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3154 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3156 * combine.c (make_extraction): If no mode is specified for
3157 an operand of insv, extv, or extzv, default it to word_mode.
3158 (simplify_comparison): Similarly.
3159 * expmed.c (store_bit_field): Similarly.
3160 (extract_bit_field): Similarly.
3161 * function.c (fixup_var_regs_1): Similarly.
3162 * recog.c (validate_replace_rtx_1): Similarly.
3163 * mips.md (extv, extzv, insv expanders): Default modes for most
3164 operands. Handle TARGET_64BIT.
3165 (movdi_uld, movdi_usd): New patterns.
3167 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3168 equivalent memory location unless we have been provided a scratch
3169 register. Similarly do not call find_replacement unless a
3170 scratch register has been provided.
3172 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3174 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3177 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3179 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3180 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3181 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3182 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3183 * c-decl.c (init_decl_processing): Update accordingly.
3184 * expr.c (expand_builtin): Likewise.
3186 * rtl.h (global_rtl): Add cfa entry.
3187 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3188 (LAST_VIRTUAL_REGISTER): Update.
3189 * emit-rtl.c (global_rtl): Add cfa entry.
3190 (init_emit): Initialize it.
3191 * function.c (cfa_offset): New.
3192 (instantiate_virtual_regs): Initialize it.
3193 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3194 (expand_function_end): Call expand_eh_return.
3195 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3197 * except.c (current_function_eh_stub_label): Kill.
3198 (current_function_eh_old_stub_label): Likwise; update all references.
3199 (expand_builtin_set_return_addr_reg): Kill.
3200 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3201 (expand_builtin_set_eh_regs): Kill.
3202 (eh_regs): Produce a third reg for the actual handler address.
3203 (eh_return_context, eh_return_stack_adjust): New.
3204 (eh_return_handler, eh_return_stub_label): New.
3205 (init_eh_for_function): Initialize them.
3206 (expand_builtin_eh_return, expand_eh_return): New.
3207 * except.h: Update prototypes.
3208 * flow.c (find_basic_blocks_1): Update references to the stub label.
3209 * function.h (struct function): Kill stub label elements.
3211 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3212 register number is one that would be in the previous window.
3213 Provide a dummy definition for non-windowed targets.
3214 (get_reg_addr): New function.
3215 (get_reg, put_reg, copy_reg): Use it.
3216 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3217 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3219 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3220 (alpha_init_expanders): Initialize it.
3221 (alpha_expand_epilogue): Use it.
3222 * alpha.h: Declare it.
3223 * alpha.md (eh_epilogue): New.
3225 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3226 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3228 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3230 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3233 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3235 * except.h (struct eh_entry): Add false_label field.
3236 (end_catch_handler): Add prototype.
3237 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3238 (start_catch_handler): When using old style exceptions, issue
3239 runtime typematch code before continuing with the handler.
3240 (end_catch_handler): New function, generates label after handler
3241 if needed by older style exceptions.
3242 (expand_start_all_catch): No need to check for new style exceptions.
3243 (output_exception_table_entry): Only output the first handler label
3244 for old style exceptions.
3245 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3246 mechanism into one function, if a runtime matcher is provided.
3248 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3250 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3252 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3254 * integrate.c (copy_decl_list): Fix typo.
3256 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3258 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3261 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3263 * version.c: Bump for snapshot.
3265 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3267 * version.c: Bump for snapshot.
3269 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3271 * version.c: Bump for snapshot.
3273 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3275 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3277 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3279 * configure.in: remove usage of `!' to negate the result of a
3280 command; some common shells do not support it
3282 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3284 * configure.in: in sparc9-sol2 config, use 'if test' not
3286 * configure: Rebuilt.
3288 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3290 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3291 (CPP_CPU_DEFAULT_SPEC): Likewise.
3292 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3293 for arch64 libfuncs.
3295 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3298 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3300 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3302 * collect2.c: Don't declare `sys_siglist' here.
3303 (my_strsignal): Prototype and define new function. Use it in
3304 place of `sys_siglist' hacks.
3306 * mips_tfile.c: Likewise.
3308 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3309 (GCC_NEED_DECLARATIONS): Likewise.
3311 * system.h (strsignal): Prototype it, if necessary.
3312 (sys_siglist): Declare it, if necessary.
3314 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3316 * loop.c (move_movables): While removing insn sequences, preserve
3317 the next pointer of the most recently deleted insn when we skip
3320 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3322 * objc/config-lang.in: Do not output the name of the selected
3323 thread file when building the front-end. The Makefile for the
3324 runtime library will do this.
3326 * objc/Make-lang.in: Do not build the runtime library or install
3327 the Objective C header files. The Makefile for the runtime
3328 library will do this.
3330 * objc/Makefile.in (all.indirect): Only build the front-end.
3331 (compiler): Rename to `frontend'.
3332 (obj-runtime): Remove target.
3333 (copy-headers): Likewise.
3334 (clean): No need to remove `libobjc.a' any longer.
3336 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3338 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3339 supported with -mcpu=xxx.
3341 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3343 * flow.c (mark_set_1): Recognize multi-register structure return
3344 values in CALL insns.
3345 (mark_used_regs): Likewise.
3346 (count_reg_sets_1): Likewise.
3347 (count_reg_references): Likewise.
3348 * rtlanal.c (note_stores): Likewise.
3349 (reg_overlap_mentioned_p): Likewise.
3350 * haifa-sched.c (check_live_1): Likewise.
3351 (update_live_1): Likewise.
3352 (sched_analyze_1): Likewise.
3353 (sched_note_set): Likewise.
3354 (birthing_insn_p): Likewise.
3355 (attach_deaths): Likewise.
3357 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3360 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3362 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3364 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3366 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3368 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3370 * configure.in: Add check for GAS subsection -1 support.
3371 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3372 * configure config.in: Rebuilt.
3373 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3374 SImode is subsection -1 works, else use DImode.
3375 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3376 subsection -1 works.
3377 * config/sparc/sparc.c (sparc_output_addr_vec,
3378 sparc_output_addr_diff_vec): Use them if defined.
3380 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3382 * tree.h (DECL_ORIGIN): New macro.
3383 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3384 (copy_decl_list): Use it.
3385 (integrate_parm_decls): Likewise.
3386 (integrate_decl_tree): Likewise.
3387 * dwarf2out.c (decl_ultimate_origin): Simplify.
3388 * dwarfout.c (decl_ultimate_origin): Likewise.
3389 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3390 (pushdecl): Likewise.
3392 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3394 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3396 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3398 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3400 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3402 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3403 empty or has a single entry.
3405 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3406 before calling reg_to_stack.
3408 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3410 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3411 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3413 * c-tree.h (warn_long_long): Declare it.
3415 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3417 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3418 initialized float-int union if the value is a NaN.
3420 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3422 * c-lex.c (real_yylex): Don't warn about long long constants if
3423 we're allowing long long
3425 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3427 * except.h (current_function_eh_stub_label): Declare.
3428 (current_function_eh_old_stub_label): Declare.
3429 * function.h (struct function): New members eh_stub_label and
3431 * except.c (current_function_eh_stub_label): New variable.
3432 (current_function_eh_old_stub_label): New variable.
3433 (init_eh_for_function): Clear them.
3434 (save_eh_status): Save them.
3435 (restore_eh_status): Restore them.
3436 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3437 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3438 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3439 make an edge from the block that contains it to the block starting
3440 with the label if this label is one of the eh stub labels.
3441 If eh stub labels exist, show they are reachable from the last block
3444 * reload1.c (reload): Break out several subroutines and make some
3446 (calculate_needs_all_insns): New function, broken out of reload.
3447 (calculate_needs): Likewise.
3448 (find_reload_regs): Likewise.
3449 (find_group): Likewise.
3450 (find_tworeg_group): Likewise.
3451 (something_needs_reloads): New global variable, formerly in reload.
3452 (something_needs_elimination): Likewise.
3453 (caller_save_spill_class): Likewise.
3454 (caller_save_group_size): Likewise.
3455 (max_needs): Likewise.
3456 (group_size): Likewise.
3457 (max_groups): Likewise.
3458 (max_nongroups): Likewise.
3459 (group_mode): Likewise.
3460 (max_needs_insn): Likewise.
3461 (max_groups_insn): Likewise.
3462 (max_nongroups_insn): Likewise.
3463 (failure): Likewise.
3465 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3467 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3469 * loop.c (load_mems): Copy rtx for output mem.
3471 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3473 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3474 mips1 or mips2 either.
3476 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3478 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3480 (pa_adjust_insn_length): Update to work with new marking scheme
3481 for jumps inside switch tables.
3482 * pa.md (switch_jump): Remove pattern.
3483 (jump): Handle jumps inside jump tables.
3485 * Makefile.in (profile.o): Depend on insn-config.h
3487 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3489 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3491 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3493 Add preliminary native sparcv9 Solaris support.
3494 * configure.in: Recognize sparv9-*-solaris2*
3495 * configure: rebuilt
3496 * config.sub: Recognize sparcv9 just like sparc64.
3497 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3498 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3499 32-bit and 64-bit Solaris systems.
3500 * config/sparc/t-sol2: Assemble those with cpp.
3501 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3502 (*TF*_LIBCALL): If ARCH64 use V9 names.
3503 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3505 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3507 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3508 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3510 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3512 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3513 to Pmode if CASE_VECTOR_MODE is something else.
3515 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3517 * prefix.c (update_path): Correctly handle cases where PATH is
3518 a substring of the builtin prefix, but specifies a different
3521 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3523 * expr.c: Corrected comment about what MOVE_RATIO does.
3524 * config/alpha/alpha.h: Ditto.
3525 * config/1750a/1750a.h: Ditto.
3526 * config/clipper/clipper.h: Ditto.
3527 * config/i386/i386.h: Ditto.
3529 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3531 * configure.in (m68k-next-nextstep3*): Use collect2.
3532 Similarly for x86 NeXT configurations.
3533 * configure: Rebuilt.
3535 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3537 * configure.in: Don't assume srcdir is .../gcc
3538 * configure: Rebuilt.
3540 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3542 * global.c: Update comments.
3543 (global_alloc): Assign allocation-numbers
3544 even for registers allocated by local_alloc in case
3545 they are later spilled and retry_global_alloc is called.
3546 (mark_reg_store, mark_reg_clobber,
3547 mark_reg_conflicts, mark_reg_death): Always record a
3548 conflict with a pseudo register even if it has been
3549 assigned to a hard register.
3550 (dump_conflicts): Don't list pseudo registers already assigned to
3551 a hard register as needing to be allocated, but do list their
3553 * local-alloc.c: Update comment.
3555 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3557 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3558 * configure: Rebuilt.
3560 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3562 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3564 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3565 for all targets that set -msoft-float.
3567 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3569 * toplev.c (print_switch_values): Make static to match prototype.
3571 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3573 * configure.in: If we are unable to find the "gnatbind" program,
3574 then do not configure the ada subdir.
3575 * configure: Rebuilt.
3577 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3579 * version.c: Bump for snapshot.
3581 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3583 * version.c: Bump for snapshot.
3585 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3587 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3588 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3590 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3592 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3594 * genextract.c: Have insn-extract.c include toplev.h.
3596 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3598 * toplev.c: Include expr.h.
3599 (really_sorry, fancy_abort): Remove prototypes.
3600 (set_target_switch): Add argument in prototype.
3601 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3602 (v_really_sorry): Likewise.
3603 (print_version, print_single_switch, print_switch_values): Make
3604 static and add prototype arguments.
3605 (decl_printable_name): Add prototype arguments.
3606 (lang_expand_expr_t): New typedef.
3607 (lang_expand_expr): Declare as a lang_expand_expr_t.
3608 (incomplete_decl_finalize_hook): Add prototype argument.
3609 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3610 (botch): Likewise for variable `s'.
3611 (rest_of_type_compilation): Mark variables `type' and `toplev'
3612 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3613 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3614 (display_help): Make variable `i' an `unsigned long'.
3615 (main): Remove unused parameter `envp'.
3616 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3617 Cast -1 when comparing it with a `size_t'.
3619 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3620 prototype with ATTRIBUTE_NORETURN.
3621 (fatal_insn_not_found, fatal_insn, really_sorry,
3622 push_float_handler, pop_float_handler): Add prototypes.
3623 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3624 (do_abort, botch): Add prototypes.
3626 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3628 * final.c (final): If a label is reached only from a single jump,
3629 call NOTICE_UPDATE_CC on the jump and its predecessor before
3630 emitting the insn after the label.
3632 * i386.h: Add AMD K6 support.
3633 Change TARGET_* macros to use table lookup.
3634 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3635 (ADJUST_COST): Change definition to call function in i386.c.
3636 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3637 * i386.c: Add AMD K6 support.
3638 Add constants for feature tests used by TARGET_* macros.
3639 (split_di): If before reload, call gen_lowpart and gen_highpart.
3640 (x86_adjust_cost): New function.
3641 (put_jump_code): New function.
3642 (print_operand): New codes 'D' and 'd'.
3643 * i386.md: New insn types. New insn attribute "memory".
3644 Redefine scheduling parameters to use new types and add AMD K6
3645 support. Explicitly set type of most insns.
3646 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3647 Pro and K6 prefer movl $1,reg to incl reg.
3648 (adddi3, subdi3): Set cc_status.
3649 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3650 to int; x86 can't have more than 2^31 DImode shifts per file.
3651 (setcc): Combine all setcc patterns. Allow writing memory.
3652 Combine all jump patterns using match_operator.
3653 (*bzero): Name pattern. Emit mutliple stos instructions when that
3654 is faster than rep stos.
3655 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3658 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3660 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3663 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3665 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3666 not whatever we're generating now.
3668 * alpha.c (set_frame_related_p, FRP): New.
3669 (alpha_expand_prologue): Mark frame related insns.
3670 (alpha_expand_epilogue): Likewise, but with a null FRP.
3671 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3672 * alpha.md (exception_receiver): New.
3673 * alpha/crtbegin.asm (.eh_frame): New beginning.
3674 (__do_frame_setup, __do_frame_takedown): New.
3675 * alpha/crtend.asm (.eh_frame): New ending.
3676 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3677 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3678 (ASM_FILE_START): Don't emit .file for dwarf2.
3680 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3681 * rtl.c (reg_note_name): Likewise.
3682 * rtl.texi (REG_NOTES): Likewise.
3683 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3686 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3688 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3689 * i386.md (movsf, movdf, movxf): Validate memory address returned
3690 from force_const_mem. Kill useless REG_EQUAL setting code.
3692 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3694 * m68k.md (zero_extendsidi2): Fix typo.
3696 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3698 * configure.in: Removed references to the removed file
3699 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3700 * arm*-*-netbsd* and ns32k-*-netbsd*.
3701 * config/i386/xm-netbsd.h: Removed unnecessary file.
3702 * config/m68k/xm-netbsd.h: Likewise.
3703 * config/sparc/xm-netbsd.h: Likewise.
3704 * config/mips/xm-netbsd.h: Likewise.
3706 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3708 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3709 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3711 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3712 for exact section attributions.
3714 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3716 * i386/crtdll.h (CPP_PREDEFINES): Define.
3718 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3720 * m68k.md (5200 movqi): Do not allow byte sized memory references
3722 * m68k.c (output_move_qimode): Do not use byte sized operations on
3725 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3726 explicit rules for building. Similarly for alloca, vfprintf,
3727 choose-temp and mkstemp, getopt, getopt1, and obstack.
3728 (INCLUDES): Add $(srcdir)/../include.
3729 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3730 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3732 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3734 * gcc.c (do_spec_1): [case 'o'] Account for
3735 lang_specific_extra_outfiles.
3736 (main): Correctly clear all slots in outfiles for
3737 lang_specific_extra_outfiles. Set input_file_number before
3738 calling lang_specific_pre_link.
3740 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3742 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3744 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3746 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3748 (sparc_output_deferred_case_vectors): If no work to do, return.
3749 Fix thinko in Sept 1 change.
3751 1998-09-03 SL Baur <steve@altair.xemacs.org>
3753 * Makefile.in: add semicolon in BISON definition for portability.
3755 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3757 * config/nextstep.c (handle_pragma): Correct name of third
3760 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3762 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3763 * config/m32r/m32r.h: Make register 17 be fixed.
3764 * config/m32r/m32r.c: Use SImode for cc operations.
3766 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3768 * invoke.texi (Warning Options): Add -Wnon-template-friend
3771 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3773 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3775 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3777 * rs6000.md (movsf): Disable explicit secondary-reload-like
3778 functionality if TARGET_POWERPC64.
3779 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3782 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3784 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3785 and term.h from fixinc.wrap.
3787 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3789 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3790 safe to include both string.h and strings.h together.
3791 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3792 which headers to search for function declarations. Continue to
3793 prefer string.h over strings.h when both are not acceptable.
3795 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3797 * configure.in: Call GCC_HEADER_STRING.
3799 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3800 to include. Continue to prefer string.h over strings.h when both
3803 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3805 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3806 not assume top 32-bits of symbolic addresses are zero if
3809 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3811 * ginclude/va-alpha.h: Protect entire second portion of the
3812 file against double inclusion.
3814 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3816 Added support for the Boehm's garbage collector.
3817 * configure.in: Handle --enable-objc-gc.
3818 * configure: Rebuilt.
3819 * Makefile.in (CHECK_TARGETS): Add check-objc.
3820 (check-objc): New rule.
3821 * objc/Make-lang.in: Build a different Objective-C library that
3822 runs with the Boehm's collector.
3823 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3824 * objc/encoding.c: Correctly compute the size of compound types in
3825 the presence of bitfields. Skip the variable name of the type if
3826 any. Added support for long long.
3827 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3828 (_F_GCINVISIBLE): New mask.
3829 * objc/gc.c: New file. Compute the type memory mask associated with
3830 a class based on the runtime information.
3831 * objc/misc.c: Added the hooks that use the Boehm's collector
3832 allocation functions.
3833 * objc/objc-act.c (build_class_template): Generate a new class
3834 member (gc_object_type) to hold the class' type memory mask.
3835 (build_shared_structure_initializer): Initialize the new member to
3837 (encode_complete_bitfield): New function. Generate the new
3839 (encode_field_decl): Generate the new encoding only for the GNU
3841 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3843 (class_get_gc_object_type): New function to mark a pointer instance
3844 variable as a weak pointer.
3845 * objc/objc-features.texi: New file.
3846 * objc/objc.h (gc_object_type): New class member.
3847 * objc/objects.c (class_create_instance): Create a typed memory
3848 object when compiled with Boehm's collector support.
3849 * objc/sendmsg.c (__objc_init_install_dtable): Call
3850 __objc_send_initialize instead of setting the initialize flag.
3851 (__objc_send_initialize): Call __objc_generate_gc_type_description
3852 to generate the class type memory mask. Rewrite the code that
3853 sends the +initialize so that it is called only once (bug report
3854 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3855 * testsuite/objc: New testsuite for Objective-C type encoding.
3856 * testsuite/lib/objc-torture.exp: New file.
3857 * testsuite/lib/objc.exp: New file.
3859 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3861 * jump.c (jump_optimize): In if/then/else transformations, add
3862 another call to modified_between_p for the jump insn.
3864 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3866 * fix-header.c (symlink): Treat like readlink.
3868 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3870 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3873 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3875 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3876 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3877 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3879 * config/nextstep.c (handle_pragma): Take three arguments, as per
3880 the new HANDLE_PRAGMA macro specification.
3881 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3882 per the new HANDLE_PRAGMA macro specification.
3883 * config/i960/i960.c (process_pragma): Take three arguments, as
3884 per the new HANDLE_PRAGMA macro specification.
3886 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3888 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3889 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3890 if unknown pragmas are encountered.
3891 (handle_sysv_pragma): Interpret return code from
3892 handle_pragma_token (). Return success/failure indication rather
3893 than next unprocessed character.
3894 (pragma_getc): New function: retrieves characters from the
3895 input stream. Defined when HANDLE_PRAGMA is enabled.
3896 (pragma_ungetc): New function: replaces characters back into the
3897 input stream. Defined when HANDLE_PRAGMA is enabled.
3899 * c-pragma.c (handle_pragma_token): Return success/failure status
3902 * c-pragma.h: Change prototype of handle_pragma_token().
3904 * varasm.c: (handle_pragma_weak): Only create this function if
3905 HANDLE_PRAGMA_WEAK is defined.
3907 * c-common,c (decl_attributes): If defined call the expression
3908 contained within the INSERT_ATTRIBUTES macro before adding
3909 attributes to a decl.
3911 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3912 HANDLE_PRAGMA, which takes three arguments.
3913 (INSERT_ATTRIBUTES): Document this new macro.
3915 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3916 new INSERT_ATTRIBUTES macro.
3918 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3920 * config/sparc/sparc.md (movdf): Only generate special RTL for
3921 LABEL_REFs when PIC.
3922 (move_label_di): Remove
3923 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3924 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3925 references when PIC.
3926 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
3927 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
3928 output an .xword for all 64-bit cases.
3930 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3932 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
3933 alignment, use FUNCTION_BOUNDARY instead.
3934 (sparc_output_deferred_case_vectors): Likewise.
3936 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3938 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
3939 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
3941 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
3943 * alpha/va_list.h: New file.
3944 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
3946 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
3948 * NEWS: Add SCO Openserver and Unixware 7 notes.
3952 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
3954 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
3955 (record_constant_1): Handle RANGE_EXPR.
3957 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
3959 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
3960 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
3961 and NOTE_INSN_RANGE_END specially.
3962 (reemit_notes): Likewise.
3964 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3966 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
3967 (ultrasparc_sched_init): Remove unneeded &.
3969 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3971 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
3972 for m68020-60, to prevent the use of fintrz.
3974 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
3976 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
3978 * Makefile.in: Likewise.
3979 * configure: Regenerated.
3981 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
3983 * configure.in (gxx_include_dir): Changed to
3984 '${prefix}/include/g++'-${libstdcxx_interface}.
3985 * configure: Rebuilt.
3987 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
3989 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
3991 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
3992 *sequences* *below* which scalar moves will be used.
3994 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
3996 * collect2.c (mktemp): Delete unused declaration.
3998 * config/xm-netbsd.h: Remove unnecessary file.
3999 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4000 file anymore, it is not needed.
4002 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4004 * convert.c (convert_to_integer): Issue an error on conversions to
4007 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4009 * Makefile.in: Add lang_tree_files and gencheck.h.
4010 * configure.in: Generate them.
4011 * gencheck.c: Include gencheck.h.
4013 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4015 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4016 movdi_lo_sum_pic and movdi_high_pic and make visible.
4017 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4018 emit these when Pmode is not SImode.
4019 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4021 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4023 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4024 .linkonce directive after the first time.
4026 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4028 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4029 the clobbered operand overlaps with an input.
4030 (bne0_di): Similarly.
4032 * Makefile.in (INSTALL): Remove "--no-header" argument.
4034 * NEWS: Various updates.
4036 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4038 * config/sparc/sparc.c (arith_operand, const64_operand,
4039 const64_high_operand, arith_double_4096_operand): Mark mode as
4041 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4043 (sparc_emit_set_const64): Remove unused variable i.
4044 (sparc_splitdi_legitimate): Likewise for addr_part.
4045 (ultra_code_from_mask): Likewise for mask.
4046 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4047 reverse return values so it matches usage and comments.
4048 (ultra_flush_pipeline): Likewise.
4049 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4050 this_type, and allow loads and stores of differing FP modes as
4051 they do not create a conflict.
4052 (ultra_find_type): Initialize fpmode to SFmode, fix
4053 parenthesization thinkos in large conditional.
4054 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4055 Init free_slot_mask after ultra_cur_hist is reset, not before.
4056 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4057 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4058 use ultra_flush_pipeline instead, then re-init group pointer.
4059 Fix statement with no effect. If no progress made in, and no
4060 instructions scheduled at all, advance to new pipeline cycle else
4061 we get into an endless loop.
4062 (ultrasparc_adjust_cost): Remove previous arg.
4063 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4065 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4067 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4068 code. Use reg_overlap_mentioned_p to detect when source and
4069 destination overlap.
4070 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4072 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4074 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4075 COMPARISON_VAL, into invariant_p.
4077 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4079 * regmove.c (regclass_compatible_p): New function.
4080 (regmove_optimize): Use it.
4082 Use NREGS parameter insted of calling max_reg_num.
4084 (fixup_match_1): Don't use code = MINUS when later tieing with
4085 a hard register is likely.
4087 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4089 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4090 COMPARISON_VAL was normalized.
4092 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4094 * loop.c (check_dbra_loop): The loop ending comparison value
4095 must be an invariant or we can not reverse the loop.
4097 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4098 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4100 (load_mems_and_recount_loop_regs_set): Likewise.
4102 * i386.c (print_operand): Remove obsolete 'c' docs.
4104 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4106 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4107 * frame.c (init_object_mutex): New function.
4108 (init_object_mutex_once): Likewise.
4109 (find_fde): Call it.
4110 (__register_frame_info): Likewise.
4111 (__register_frame_info_table): Likewise.
4112 (__deregister_frame_info): Likewise.
4114 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4116 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4118 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4120 * loop.c (check_dbra_loop): Enable code for reversal
4121 of some loops without a known constant loop end.
4123 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4125 * haifa-sched.c (last_clock_var): New.
4126 (schedule_block): Initialize it.
4127 (schedule_insn): Use it to fill insn modes with issue information.
4129 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4130 Tag trapb and next insn with TImode.
4131 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4132 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4133 Invoke alphaev5_align_insns as appropriate.
4134 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4135 (MD_SCHED_VARIABLE_ISSUE): New.
4136 * alpha.md (attr type): Add multi.
4137 (define_asm_attributes): New.
4138 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4139 (arg_home): Likewise.
4140 (fnop, unop, realign): New.
4142 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4144 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4145 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4147 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4148 (rs6000-ibm-aix4.[12]*): Likewise.
4149 * configure: Regnerate.
4151 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4153 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4154 already contains the return address.
4156 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4158 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4159 word sized hunks when loading unaligned args into registers.
4161 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4162 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4164 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4166 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4168 * loop.c (check_dbra_loop): Add some code that would allow reversal
4169 of some loops without a known constant loop end if it were enabled.
4171 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4173 * mips.md (lshrsi3_internal2+2): Fix type-o.
4175 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4177 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4178 correctly with regards to stdio.h.
4180 * calls.c: Remove stdarg.h/varargs.h.
4183 * combine.c: Likewise.
4184 * cpperror.c: Likewise.
4185 * cpplib.c: Likewise.
4186 * cpplib.h: Likewise.
4187 * doprint.c: Likewise.
4188 * emit-rtl.c: Likewise.
4189 * final.c: Likewise.
4190 * fix-header.c: Likewise.
4192 * genattr.c: Likewise.
4193 * genattrtab.c: Likewise.
4194 * gencodes.c: Likewise.
4195 * genconfig.c: Likewise.
4196 * genemit.c: Likewise.
4197 * genextract.c: Likewise.
4198 * genflags.c: Likewise.
4199 * genopinit.c: Likewise.
4200 * genoutput.c: Likewise.
4201 * genpeep.c: Likewise.
4202 * genrecog.c: Likewise.
4203 * mips-tfile.c: Likewise.
4204 * prefix.c: Likewise.
4205 * protoize.c: Likewise.
4206 * regmove.c: Likewise.
4207 * toplev.c: Likewise.
4210 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4212 * config/sparc/sparc.c (sparc_override_options): If not
4213 TARGET_FPU, turn off TARGET_VIS.
4214 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4215 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4216 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4217 (movdi_insn_sp64): Add VIS fzero alternative.
4218 (clear_sf, clear_df): New VIS patterns.
4219 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4221 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4223 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4225 * loop.c (n_times_set, n_times_used, may_not_optimize,
4226 reg_single_usage): Convert to varrays. All uses changed.
4227 (insert_loop_mem): Return a value.
4228 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4229 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4232 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4235 * configure.in: Do not set thread_file to "irix" since no such
4238 * sparc.md (float abs/neg splits): Check reload_completed before
4239 calling alter_subreg.
4241 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4243 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4245 * config/sparc/sparc.h: Declare it.
4246 * config/sparc/sparc.md (float abs/neg splits): Use it.
4247 (all other splits): Handle SUBREGs properly where necessary.
4248 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4250 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4252 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4253 an insn on the unfilled_slots_list that has no delay slots.
4254 (fill_eager_delay_slots): Similarly.
4256 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4258 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4259 as an ordinary operand.
4261 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4263 * tree.c (valid_machine_attribute): Don't apply attributes to both
4266 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4268 * reload.c (operands_match_p): Handle rtvecs.
4270 * i386.c (legitimate_pic_address_disp_p): New.
4271 (legitimate_address_p): Use it.
4272 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4273 Handle constant pool symbols just like statics.
4274 (emit_pic_move): Use Pmode not SImode for clarity.
4275 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4276 [UNSPEC]: New, handling what we killed above.
4277 [PLUS]: Detect and abort on invalid symbol arithmetic.
4278 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4280 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4282 * alias.c: Include output.h.
4283 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4284 different if we're in a varargs function.
4285 * Makefile.in (alias.o): Depend on output.h
4287 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4289 * sh.h (GIV_SORT_CRITERION): Delete.
4291 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4293 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4294 * stupid.c (stupid_life_analysis): Ditto.
4295 * reload1.c (reload): Ditto.
4297 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4299 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4300 arith_double_4096_operand, arith_double_add_operand): New
4302 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4303 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4304 them to transform add/sub 4096 into add/sub -4096.
4306 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4308 * loop.c (scan_loop): Allocate some slop to handle pseudos
4309 generated by move_movables.
4310 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4313 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4315 * tree.def (DECL_RESULT): Correct documentation.
4317 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4319 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4320 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4321 conflicts will all RELOAD_FOR_OUTPUT reloads.
4323 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4324 loads the function result, substitute with a USE.
4326 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4328 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4329 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4330 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4331 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4332 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4333 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4335 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4336 'o' to 'm' for GPR variant constraints.
4338 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4340 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4342 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4344 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4345 when the source and destination overlap.
4347 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4348 clash with global type.
4350 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4352 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4354 * c-common.c (combine_strings): Also set TREE_READONLY.
4355 Change warn_write_strings to flag_const_strings.
4356 * c-decl.c, c-tree.h: Likewise.
4358 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4360 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4361 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4362 sequence, use SET/IOR instead so CSE can see it.
4363 * config/sparc/sparc.md (movhi_const64_special,
4364 movsi_const64_special): New patterns necessitated by that change.
4365 (movhi_high): Remove.
4366 (movhi_lo_sum): Change to match an IOR.
4367 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4368 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4369 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4370 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4371 registers are involved.
4372 (snesi_zero_extend split): Remove reload_completed test.
4373 (unnamed plus and minus zero_extend sidi splits): Add it.
4375 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4377 * extend.texi: Remove description of extension to explicit
4378 instantiation that is now endorsed by standard C++.
4380 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4382 * config/arc/arc.c (arc_initialize_pic): Remove.
4383 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4384 nothing on any platform and is invoked by no-one, it does not even
4385 appear in the documentation.
4386 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4387 * config/sparc/sparc.c (initialize_pic): Likewise.
4388 (find_addr_reg): Remove this as well, no longer referenced after
4391 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4393 * recog.c (validate_replace_rtx_group): New function.
4394 * recog.h (validate_replace_rtx_group): Declare it.
4395 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4396 the entire group of substitutions.
4398 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4400 * loop.c (load_mems): Fix initializers.
4402 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4404 * config/sparc/sparc.md (TFmode splits): Handle destination
4405 registers being referenced in the address correctly.
4407 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4408 TREE_UNSIGNED, when bitsize of type's mode is larger than
4409 HOST_BITS_PER_WIDE_INT.
4411 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4413 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4414 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4415 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4417 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4420 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4422 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4423 * h8300.h (TINY_DATA_NAME_P): Likewise.
4424 (STRIP_NAME_ENCODING): Handle '&'.
4426 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4427 register (it could be accessed via an outer SUBREG).
4428 (REG_OK_FOR_BASE_P): Likewwise.
4429 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4431 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4434 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4436 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4438 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4439 must be offsettable so the splits can be made.
4441 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4443 * config/i386/winnt.c: Include system.h, not stdio.h to get
4444 sys/param.h pulled in before rtl.h in case the system defines MIN
4447 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4449 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4451 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4453 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4455 * cpplib.c (cpp_define): Handle macros with parameters.
4457 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4459 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4460 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4461 and DImode 64-bit. Use llong for minimal-toc SFmode and
4462 SYMBOL_REF / LABEL_REF 64-bit.
4463 (output_function_profiler): Use llong for profiler label and ld to
4464 load 64-bit label address.
4466 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4468 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4471 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4473 * version.c: Bump for snapshot.
4475 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4477 * version.c: Bump for snapshot.
4479 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4481 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4483 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4485 * tm.texi (Misc): Fix typo "teh".
4487 * tm.texi (PIC): Fix typo "PPIC".
4489 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4490 effect when -O2 and higher.
4491 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4493 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4495 * regclass.c: Changed register set documentation to be consistent
4498 * final.c (final_start_function) Removed redundant test for
4501 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4503 * rtl.h (rtx_function): New type.
4504 (for_each_rtx): New function.
4505 * rtlanal.c (for_each_rtx): Define it.
4507 * recog.c (change_t): New type.
4508 (change_objects, change_old_codes, change_locs, change_olds):
4510 (changes): New variable.
4511 (validate_change): Dynamically allocate room for more changes, if
4512 necessary. Uses changes array instead of change_objects, etc.
4513 (apply_change_group): Use changes array instead of
4514 change_objects, etc.
4516 * loop.c (loop_mem_info): New type.
4517 (loop_mems): New variable.
4518 (loop_mems_idx): Likewise.
4519 (looop_mems_allocated): Likewise.
4520 (scan_loop): Remove nregs parameter.
4521 (next_insn_in_loop): New function.
4522 (load_mems_and_recount_loop_regs_set): Likewise.
4523 (load_mems): Likewise.
4524 (insert_loop_mem): Likewise.
4525 (replace_loop_mem): Likewise.
4526 (replace_label): Likewise.
4527 (INSN_IN_RANGE_P): New macro.
4528 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4529 (scan_loop): Remove nregs parameter, compute it after any new
4530 registers are created by load_mems. Use INSN_IN_RANGE_P and
4531 next_insn_in_loop rather than expanding them inline. Call
4532 load_mems to load memory into pseudos, if appropriate.
4533 (prescan_loop): Figure out whether or not there are jumps from the
4534 loop to targets other than the label immediately following the
4535 loop. Call insert_loop_mem to notice all the MEMs used in the
4536 loop, if it could be safe to pull MEMs into REGs for the duration
4538 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4540 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4542 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4544 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4546 * config/sparc/sparc.c (finalize_pic): Check for the correct
4547 nonlocal_goto_receiver UNSPEC number.
4548 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4549 making note of this dependency existing in sparc.c
4550 (negtf2_notv9 split): Give NEG SFmode.
4551 (negsf2): Fix insn output string.
4553 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4555 * c-common.c (decl_attributes): Issue an error if the argument
4556 to alias is not a string.
4558 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4560 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4561 pending memory flush list.
4563 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4565 (try_combine): Allow combining insns with REG_LIBCALL notes.
4567 * expr.c (emit_block_move): Do not call memcpy as a libcall
4568 instead build up a CALL_EXPR and call it like any other
4570 (clear_storage): Similarly for memset.
4572 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4575 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4578 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4579 and REG_LIVE_LENGTH as successful substitutions are made.
4581 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4583 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4584 statement after end of loop label.
4586 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4588 * config/sparc/sparc.c (ultra_types_avail): New variable.
4589 (ultra_build_types_avail): New function to record mask of insn
4590 types in ready list at this cycle.
4591 (ultrasparc_sched_reorder): Call it.
4592 (ultra_find_type): Use it to quicken the search. Also simplif
4593 dependency check, don't use rtx_equal_p because we know exactly
4594 what we are looking for.
4596 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4598 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4599 for architecture v4.
4601 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4603 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4605 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4606 movdf_const_intreg and helper splits): New patterns to move float
4607 constants into integer registers.
4608 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4611 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4614 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4616 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4618 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4619 a BASE_REGS register is needed as an intermediate when copying
4620 a symbolic value into any register class other than BASE_REGS.
4622 * expr.c (move_by_pieces): No longer static. Remove prototype.
4623 * rtl.h (move_by_pieces): Add extern prototype.
4624 * mips.c (expand_block_move): Handle aligned straight line copy by
4625 calling move_by_pieces.
4627 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4630 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4632 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4633 jumps out of the loop to be treated as part of the exit test.
4635 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4636 Jeff Law <law@cygnus.com>
4638 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4639 * cplus-dem.c: Delete.
4641 * Makefile.in (fold-const.o): depend on $(RTL_H).
4643 * fold-const.c: Include rtl.h to get the prototype for
4644 `set_identifier_local_value'.
4646 * loop.c (express_from_1): Remove unused variable `tmp'.
4647 (combine_givs): cast the first argument of bzero to char *.
4649 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4651 * c-decl.c (init_decl_processing): Remove unneeded &.
4653 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4655 * except.c (set_exception_lang_code, set_exception_version_code):
4656 Change parameter from `short' to `int' to avoid using a gcc
4659 * except.h (set_exception_lang_code, set_exception_version_code):
4660 Likewise for prototypes.
4662 * flow.c (count_reg_references): Remove unused variables `regno'
4665 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4667 * prefix.c (translate_name): Cast the result of `alloca'.
4669 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4671 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4673 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4675 (valid_dbcc_comparison_p): Mark mode argument as unused.
4676 (symbolic_operand): Likewise.
4677 (legitimize_pic_address): Likewise.
4678 (const_uint32_operand): Likewise.
4679 (const_sint32_operand): Likewise.
4680 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4681 schedule_insns and comment out rest of file.
4683 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4685 (output_move_[hq]imode): Likewise.
4687 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4689 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4690 * invoke.texi: Corresponding changes.
4692 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4694 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4696 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4698 * config/sparc/sparc.c (ultra_code_from_mask,
4699 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4700 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4701 ultrasparc_sched_init, ultrasparc_variable_issue,
4702 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4703 functions to describe UltraSPARC pipeline exactly to Haifa.
4704 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4705 as there is nothing the scheduler can do about it. Indicate that
4706 REG_DEP_OUTPUT's collide. Fixup formatting.
4707 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4708 divide costs on Ultra for DImode.
4709 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4711 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4712 ieuN and add call_no_delay_slot to type list.
4713 (cti function unit): New unit for branches on UltraSPARC.
4714 (subx/addx insns): Set type to misc.
4715 (sidi zero/sign extension insns on arch64): Set type to shift.
4716 (sign_extendhidi2_insn): Set type to sload.
4718 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4720 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4721 (output_epilog): Use if != 0 for offset.
4722 (rs6000_fatal_bad_address): Prepare for Intl.
4723 * rs6000.h (rs6000_fatal_bad_address): Declare.
4724 * rs6000.md (movsfcc, movdfcc): Use else if.
4725 (elf_high): Use {liu|lis}.
4726 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4727 (movsi): Use rs6000_fatal_bad_address.
4729 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4731 * reload.c (find_equiv_reg): Reject equivalences separated
4732 by a volatile instruction.
4734 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4736 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4738 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4740 * alpha.md (movsicc): Fix mode mismatch.
4742 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4744 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4746 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4748 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4750 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4751 write-only modifier from operand 1 constraint.
4753 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4755 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4756 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4758 (sparc_emit_set_const64): Likewise, also when computing trailing
4759 bits do not negate low_bits and make fast_int an int.
4761 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4763 * loop.c (add_label_notes): Do not ignore references to labels
4764 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4765 * gcse.c (add_label_notes): Similarly.
4767 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4769 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4770 (adddi_dishl32): Similarly.
4772 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4774 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4775 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4776 * cse.c (cse_basic_block): Add parens to shut up warnings.
4778 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4780 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4781 sparc_emit_set_const64_longway, const64_is_2insns,
4782 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4783 in 64-bit constant formation.
4784 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4785 rtl for addx not subx.
4786 (define_insn movdi_const64_special): Make available even when
4787 HOST_BITS_PER_WIDE_INT is not 64.
4788 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4789 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4790 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4791 instances of operand 1 inside a QI subreg.
4792 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4793 (one_cmpldi2_sp64): Fix output string.
4794 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4796 (unnamed arch64 ashift DI): Truncate shift count if greater than
4799 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4801 * expr.c (store_expr): Don't optimize away load-store pair
4802 when either source or destination have a side effect.
4804 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4806 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4807 operands of SET are incompatible.
4809 * alpha.md: Fix max and min patterns so modes of SET operands match.
4811 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4813 * configure.in: Avoid [[ by using test and changequote.
4814 * configure: Rebuild.
4816 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4818 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4820 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4821 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4822 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4823 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4824 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4825 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4826 Fix mismatching modes in SET operands.
4827 (conditional move patterns): Fix formatting.
4828 (unnamed subx arch64 pattern): Remove duplicate insn.
4830 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4832 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4833 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4834 (input_operand): Fixup test for what we accept for constant
4836 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4838 (safe_constDI): Remove.
4839 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4840 gen_safe_XOR64): New functions.
4841 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4842 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4844 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4845 available when HOST_BITS_PER_WIDE_INT is not 64.
4846 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4847 move before movdi_insn_sp64 pattern.
4848 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4849 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4850 symbolic_operand as predicate for second operand.
4851 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4852 expander): Give set VOIDmode.
4854 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4856 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4858 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4860 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4862 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4864 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4866 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4868 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4870 * install.texi: Various SCO OpenServer tweaks.
4872 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4874 * reload1.c (eliminate_regs_in_insn): Handle another case when
4875 eliminating the frame pointer to the hard frame pointer. Add
4876 missing ep->to_rtx check to one existing case.
4878 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4880 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4882 * tree.h: De-conditionalize init_priority code.
4884 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4885 * collect2.c (NM_FLAGS): Change from -p to -n.
4887 * configure.in: Turn on collect2 for mipstx39-elf.
4888 Handle use_collect2=no properly.
4890 * c-common.c: De-conditionalize init_priority code.
4891 * collect2.c (extract_init_priority, sort_ids): New fns.
4892 (main): Call sort_ids.
4893 Move sequence_number to file scope.
4895 * configure.in: Handle --enable-init-priority.
4896 * c-common.c (attrs): Add A_INIT_PRIORITY.
4897 (init_attributes, decl_attributes): Likewise.
4898 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4899 * tree.c (get_file_function_name_long): Split out...
4900 (get_file_function_name): ...from here.
4902 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4904 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4907 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4909 * toplev.c (display_help): Add braces to shut up warnings.
4910 * tree.c (simple_cst_equal): Likewise.
4912 * fold-const.c (non_lvalue): Don't deal with null pointer
4914 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4916 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4917 of any size to a pointer.
4919 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4921 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4923 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4925 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4926 which will be saved.
4927 * mn10300.md (prologue insn): Only save registers which need saving.
4928 (epilogue insn): Similarly.
4930 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
4933 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
4935 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
4936 VAR_DECL's in gp addressable sections.
4938 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
4940 * sparc.c: Change return <exp> to <exp>; return; in functions
4942 * sparc.md: Add empty semicolon statement after final label in
4945 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4947 * config/sparc/sparc.md (define_insn addx_extend): Rename to
4948 addx_extend_sp64, only allow when TARGET_ARCH64.
4949 (define_insn addx_extend_sp32 and split): Version that works when
4951 (define_insn subx_extend): Likewise.
4952 (define_split adddi3 and subdi3 with zero extension): Fixup and
4953 correct bugs when not TARGET_ARCH64.
4955 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
4957 * except.c (set_exception_lang_code, set_exception_version_code):
4958 Use prototype-style definition if __STDC__, to match declaration
4961 * genemit.c: Change FAIL and DONE macros not to use loops.
4963 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
4965 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
4966 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
4968 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
4970 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
4972 * README.g77: Update from Craig.
4974 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4976 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
4978 (safe_constDI sparc_emit_set_const64_quick1,
4979 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
4980 analyze_64bit_constant, const64_is_2insns,
4981 create_simple_focus_bits): Fix some bugs when compiled on real
4983 (function_arg_record_value_3, function_arg_record_value_2,
4984 function_arg_record_value): Add fully prototyped forward decls.
4985 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
4986 to cmpsi_insn and use on both 64 and 32 bit targets.
4987 (define_insn cmpsi_insn_sp64): Remove.
4988 (define_expand zero_extendsidi2): Allow for 32-bit target too.
4989 (define_insn zero_extendsidi2_insn): Rename to
4990 zero_extendsidi2_insn_sp64.
4991 (define_insn zero_extendsidi2_insn_sp32): New pattern and
4992 assosciated forced split for it.
4994 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4996 * config/sparc/sparc.h: Declare them.
4997 (PREDICATE_CODES): Add them.
4998 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
4999 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5001 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5003 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5004 in v9 case as the latter makes the Solaris assembler crash.
5006 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5008 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5009 for TFmode when !v9. We require offsettable memory addresses.
5010 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5011 DFmode register number conversions.
5012 * config/sparc/sparc.md (define_split DFmode moves): If register
5013 is a SUBREG do alter_subreg on it before using.
5014 (define_expand movtf): Fixup comment about alignment on v9.
5015 (define_split TFmode moves): Don't use gen_{high,low}part, create
5016 explicit SUBREGs instead.
5018 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5020 * Makefile.in (mbchar.o): Depend on mbchar.c.
5022 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5023 Richard Henderson <rth@cygnus.com>
5025 Rewrite Sparc backend for better code generation and
5026 improved sparc64 support.
5027 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5029 * config/sparc/sysv4.h: Likewise.
5030 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5031 move_operand, v8plus_regcmp_op, emit_move_sequence,
5032 singlemove_string, doublemove_string, mem_aligned_8,
5033 output_move_double, output_move_quad, output_fp_move_double,
5034 move_quad_direction, output_fp_move_quad, output_scc_insn):
5036 (small_int_or_double): New predicate.
5037 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5038 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5039 old pic_{sethi,lo_sum}_si patterns.
5040 (mem_min_alignment): New generic function to replace
5041 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5042 available and can test for arbitrary alignments. All callers
5044 (save_regs, restore_regs, build_big_number,
5045 output_function_prologue, output_cbranch, output_return,
5046 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5047 sparc_flat_output_function_epilogue): Prettify
5049 (output_function_epilogue): Likewise and add code to output
5050 deferred case vectors.
5051 (output_v9branch): Likewise, add new arg INSN and use it to tack
5052 on branch prediction settings. All callers changed.
5053 (print_operand): Likewise and output %l44 for LO_SUMs when
5055 (sparc_splitdi_legitimate): New function to make sure DImode
5056 splits can be run properly when !arch64.
5057 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5058 Reformat example code in comments.
5059 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5060 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5061 of deferred case vectors we need to output.
5062 (sparc_defer_case_vector): Record a case vector.
5063 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5064 sparc_output_deferred_case_vectors): New functions to output them.
5065 (sparc_emit_set_const32): New function to form 32-bit constants in
5066 registers when that requires more than one instruction.
5067 (safe_constDI, sparc_emit_set_const64_quick1,
5068 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5069 analyze_64bit_constant, const64_is_2insns,
5070 create_simple_focus_bits, sparc_emit_set_const64): New functions
5071 which do the same for 64-bit constants when arch64.
5072 (sparc_emit_set_symbolic_const64): New function to emit address
5073 loading for all code models on v9.
5074 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5075 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5076 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5077 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5078 inaccuracies in comments, add symbolic and text_segment operands
5079 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5080 GENERAL_REGS in these cases as a temp REG is needed to load these
5081 addresses into a register properly.
5082 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5084 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5085 quads are guarenteed to have 16-byte alignment.
5086 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5087 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5088 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5089 deferred case vector implementation.
5090 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5091 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5092 Generate "internal label - label" instead of "label - 1b".
5093 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5094 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5095 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5097 (doublemove_string, output_block_move, output_fp_move_double,
5098 output_fp_move_quad, output_move_double, output_move_quad,
5099 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5100 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5101 (sparc_emit_set_const32, sparc_emit_set_const64,
5102 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5103 mem_min_alignment, small_int_or_double): Add externs.
5104 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5105 UNSPEC_VOLATILE in this backend.
5106 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5107 unary to types which execute in it.
5108 (define_function_unit ieu_shift): Rename to ieu0.
5109 (define_function_unit ieu1): New, executes compare, call, and
5110 uncond_branch type insns.
5111 (define_function_units for type fdivs, fdivd, fsqrt): These
5112 execute in the fpu multiply unit not the adder on UltraSparc.
5113 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5114 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5115 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5116 allows the arith_double_operand predicate and rHI constraint when
5118 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5119 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5120 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5121 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5122 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5123 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5124 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5125 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5126 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5127 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5128 sign_extendqihi2_insn, sign_extendqisi2_insn,
5129 sign_extendqidi2_insn, sign_extendhidi2_insn,
5130 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5131 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5132 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5133 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5134 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5135 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5136 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5137 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5138 smulsi3_highpart_v8plus, unnamed subreg mult,
5139 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5140 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5141 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5142 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5143 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5144 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5145 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5146 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5147 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5148 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5149 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5150 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5151 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5152 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5153 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5154 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5155 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5156 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5157 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5158 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5159 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5160 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5161 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5162 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5163 call_address_untyped_struct_value_sp32,
5164 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5165 call_value_symbolic_sp32, call_value_address_sp64,
5166 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5167 flush_register_windows, goto_handler_and_restore,
5168 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5169 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5170 return_addsi, return_di, return_adddi, return_sf, all call+jump
5171 peepholes, trap, unnamed trap insns): Prettify output strings.
5172 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5173 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5174 Likewise and force + implement splits for integer cases.
5175 (define_insn return_sf_no_fpu): Likewise and allow to match when
5176 no-fpu because of our subreg SFmode splits.
5177 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5178 zero_extendqidi2_insn, zero_extendhidi2_insn,
5179 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5180 input_operand for second operand.
5181 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5182 reg_or_0_operand for operand 2 so new splits can use it.
5183 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5184 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5186 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5187 CONST_DOUBLEs for operand 2.
5188 (define_insn move_label_di): Likewise and label distance
5189 optimization because it no longer works with new deferred case
5190 vector scheme. To be revisited.
5191 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5192 and allow reg_or_0_operand and J constraint for second operand.
5193 (define_insn jump): Set branch predict taken on V9.
5194 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5195 new deferred case vector scheme.
5196 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5197 (define_insn negdi2_sp32): Force + implement splits.
5198 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5199 one_cmplsi2_not_liveg0 respectively, and create expander of original
5200 names which emit special rtl for TARGET_LIVE_G0.
5201 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5202 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5203 gen_compare_reg, FAIL instead.
5204 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5205 values when trying to reverse condition codes, if they FAIL then
5207 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5208 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5209 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5210 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5211 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5212 set output string to # to indicate they are mandatory splits.
5213 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5214 pic_sethi_di, move_pic_label_si): Remove.
5215 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5216 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5218 (define_expand movsi_pic_label_ref, define_insn
5219 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5220 expander and insns to handle PIC label references and deferred
5222 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5224 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5225 Rewrite to not use emit_move_sequence, make use of new constant
5226 formation code, and new splits for all multi-insn cases.
5227 (define_insn movqi_insn): Remove sethi case, it can never happen.
5228 Use reg_or_zero_operand instead of const0_rtx explicit test,
5229 use input_operand instead of move_operand for source, and use
5230 general_operand now for dest.
5231 (define_insn movhi_insn): Similar but leave sethi case.
5232 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5233 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5234 movhi_lo_sum respectively, prettify output string.
5235 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5236 register when needed on TARGET_LIVE_G0.
5237 (define_insn movsi_insn): Use general_operand and input_operand
5238 for dest and src respectively. Simplify applicability test.
5239 Prettify output strings, and add clr alternative for J
5241 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5242 deprecated std and reg-reg DI moves): Remove and...
5243 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5244 implementation which uses forced splits for all non-single insn
5246 (define_split DI move cases on !arch64): New splits to handle all
5247 situations of 64-bit double register DImode on 32bit, and
5248 unaligned registers and memory addresses for all subtargets.
5249 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5251 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5252 input_operand for dest and src respectively, prettify output
5254 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5255 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5257 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5258 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5259 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5260 movtf_no_e_insn_sp64) Replace with new
5261 implementation which uses forced splits for all non-single insn
5263 (define_split DF move cases): New splits in similar vein to DI
5265 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5266 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5267 movdi_sp64_insn): Remove old v9 code model and constant loading
5269 (define_insn pic_lo_sum_di, pic_sethi_di,
5270 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5271 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5272 embmedany_sethi, embmedany_losum, embmedany_brsum,
5273 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5274 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5275 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5276 scheme, using unspecs, secondary reloads, and one to one sparc
5277 insn to rtl insn mapping for better scheduling and code gen.
5278 (define_expand reload_indi, reload_outdi): Reload helpers for
5279 MEDANY and EMBMEDANY symbol address loading cases which require a
5281 (define_expand movsicc): Remove v8plus_regcmp cases.
5282 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5283 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5284 cmp_diqi_trunc_set): New patterns used by some of the new scc
5286 (define_insn xordi3_sp64_dbl): New pattern used for constant
5287 formation when crossing from 32-bit targets.
5288 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5290 (define_insn addx, subx): Make visible and prettify.
5291 (define_insn adddi3_insn_sp32): Likewise and force split.
5292 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5293 64bit scc split usage.
5294 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5295 zero_extend, subdi3): Force and implement splits.
5297 * final.c (final_scan_insn): Don't output labels if target
5298 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5301 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5302 don't forget to walk inside SEQUENCESs too as these are what the
5303 delay slot scheduler will create.
5305 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5307 * alpha.md (extxl+1,+2): New patterns to work around
5310 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5312 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5313 caused bad assembly code to be generated.
5315 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5317 * netbsd.h: Fix typo.
5319 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5321 * config.sub: Fix typo.
5323 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5325 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5327 (Running Protoize): Typo: Change "ther" into "other".
5329 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5331 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5332 * m68k/netbsd.h: Likewise.
5333 * ns32k/netbsd.h: Likewise.
5334 * sparc/netbsd.h: Likewise.
5336 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5338 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5339 * ginclude/va-clipper.h (va_list): Likewise.
5341 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5343 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5344 load/store multiple instructions unless user overrides.
5346 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5348 * ns32k/netbsd.h: Fix typo.
5350 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5352 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5353 labels with .debugsym if no parallel insns.
5355 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5357 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5358 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5360 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5362 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5363 (AR_FOR_TARGET): Define.
5365 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5367 * dyn-string.h: New file.
5368 * dyn-string.c: Likewise.
5369 * Makefile.in (OBJS): Add dyn-string.o.
5370 (dwarf2out.o): Add dyn-string.h dependency.
5371 (dyn-string.o): List dependencies.
5372 * dwarf2out.c: Include dyn-string.h.
5373 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5374 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5375 prototype. Use dyn_string_append rather than strcat, throughout.
5376 (addr_to_string): Use dyn_string_t.
5378 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5380 Function entry/exit profiling instrumentation:
5381 * expr.h (profile_function_entry_libfunc,
5382 profile_function_exit_libfunc): Declare new variables.
5383 * optabs.c: Define them here.
5384 (init_optabs): Initialize them.
5385 * tree.h (struct tree_decl): New flag
5386 no_instrument_function_entry_exit.
5387 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5388 * c-decl.c (duplicate_decls): Merge it.
5389 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5390 (init_attributes): Use it for "no_instrument_function".
5391 (decl_attributes): Handle it, for functions that have not yet been
5392 compiled. Set decl flag.
5393 * flags.h (flag_instrument_function_entry_exit): Declare new
5395 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5396 (f_options): New option "instrument-functions".
5397 * function.h (struct function): New field instrument_entry_exit.
5398 * function.c (current_function_instrument_entry_exit): New
5400 (push_function_context_to, pop_function_context_from): Save and
5402 (expand_function_start): Set current_ variable, maybe emit return
5403 label and entry profile call.
5404 (expand_function_end): Maybe emit exit profile call.
5406 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5408 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5409 NON_QI_REG_P, pretend the register is SImode.
5411 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5413 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5414 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5415 manufacturer id for ns32k.
5416 * configure: Regenerated.
5417 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5418 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5419 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5420 * config/m68k/netbsd.h: Same.
5421 * config/ns32k/netbsd.h: Same.
5422 * config/sparc/netbsd.h: Same.
5424 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5426 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5427 or UNROLL_COMPLETELY loop that starts with a jump to its
5430 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5432 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5433 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5434 (print_operand, case 'B'): Don't fall through.
5435 (print_operand, case 'S'): Correct mask begin/end computation.
5436 Use HOST_BITS_PER_WIDE_INT.
5437 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5438 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5439 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5440 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5442 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5444 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5445 constraint from second alternative.
5447 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5449 * configure.in: Fix --without/--disable cases for local-prefix,
5450 gxx-include-dir and checking.
5452 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5454 * configure.in (enable_haifa): Set by default for sparc64 too.
5457 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5459 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5460 * i386/winnt.c (associated_type): New fn.
5461 (i386_pe_valid_type_attribute_p): New fn.
5462 (i386_pe_check_vtable_importexport): Remove.
5463 (i386_pe_dllexport_p): Use associated_type.
5464 (i386_pe_dllimport_p): Likewise.
5466 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5467 * i386.c (i386_valid_type_attribute_p): Also accept
5468 attributes for METHOD_TYPEs.
5470 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5472 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5474 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5476 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5478 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5479 them from generating a new base name for each occurence of
5482 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5484 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5486 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5490 * cplus-dem.c (type_kind_t): New type.
5491 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5492 on this paramter, rather than demangling the type again.
5493 (demangle_integral_value): Pass tk_integral.
5494 (demangle_template_: Pass the value returned from do_type.
5495 (do_type): Return a type_kind_t. Pass tk_integral to
5496 demangle_template_value_parm for array bounds.
5497 (demangle_fund_type): Likewise.
5499 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5501 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5504 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5506 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5508 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5510 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5512 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5515 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5517 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5518 (DEBUGGER_ARG_OFFSET): Likewise.
5520 * mn10300.md (movsf): Remove last change. Not needed.
5522 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5524 * c-lex.c (yylex): Fix boundary conditions in character literal and
5525 string literal loops.
5527 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5529 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5530 being invoked incorrectly.
5532 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5533 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5535 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5536 * configure.in: Added i[34567]86-*-win32
5537 * config.sub: Ditto.
5538 * configure: Rebuilt.
5540 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5542 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5543 the frame pointer and compiling PIC code and reload has not completed.
5545 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5548 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5550 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5552 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5554 * Makefile.in (install-info): Only try to update the info
5555 directory file if it exists in the first place.
5557 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5559 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5561 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5563 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5564 CONST_DOUBLE source.
5566 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5568 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5569 strings as the insertion of USER_LABEL_PREFIX.
5570 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5572 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5575 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5577 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5578 already defined type.
5580 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5582 * expr.c (check_max_integer_computation_mode): Allow conversions
5583 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5584 (expand_expr): Likewise.
5586 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5588 * expr.c (expand_expr): Expand RETURN_EXPR.
5590 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5592 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5594 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5596 * dwarf2out.c (output_aranges): Call stripattributes
5597 for TEXT_SECTION references.
5598 (output_line_info): Likewise.
5600 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5602 * profile.c (branch_prob): Call allocate_reg_info after outputting
5603 profile rtl in instrument_arcs.
5605 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5607 * fixinc.irix (math.h): Install wrapper instead of copying.
5609 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5611 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5612 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5613 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5614 lang_flag_0. Added documentation in the flag table.
5616 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5618 * cccp.c (do_include): Fix vax c style include handling.
5620 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5622 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5624 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5626 * fold-const.c (non_lvalue): Don't deal with null pointer
5628 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5630 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5632 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5633 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5634 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5635 (u_short_cint_operand): Same.
5636 (reg_or_cint_operand): Same.
5637 (logical_operand): Same.
5638 (input_operand): Same.
5639 (reg_or_short_operand): Use u_short_cint_operand.
5641 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5643 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5644 but keep the insns and splits. Adjust so when the ultimate destination
5645 is memory, use cvtql.
5647 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5649 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5651 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5653 * gcc.c (do_spec): Call "error" not "warning".
5655 * configure.in: Fix minor problems with gas feature detection code.
5656 * configure: Rebuilt.
5658 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5661 * gcc.c: Delete %[spec] support.
5662 (do_spec_1, case '('): Likewise.
5663 (do_spec_1, case '['): Call error.
5665 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5667 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5668 (CPP_SUBTARGET_SPEC): Default to empty string.
5669 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5670 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5671 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5672 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5674 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5675 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5676 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5677 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5678 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5679 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5680 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5681 * alpha/vxworks.h: Likewise.
5683 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5685 * mips.md (reload_outsi): Added missing REGNO call.
5686 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5688 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5689 another match_operator and compare the codes.
5691 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5693 * MIPS multiply pattern fixes:
5694 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5695 Add union classes for HI, LO, or HILO plus general registers.
5696 (GENERATE_MADD): Deleted.
5697 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5698 Add TARGET_MAD to condition.
5699 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5700 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5701 "*d" for accumulator, to give preference to LO initially but not
5704 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5706 * configure.in (enable_c_mbchar): New configure option.
5707 (extra_cpp_objs): Always available now.
5709 * cexp.y (mbchar.h): #include it.
5710 (yylex): Handle Multibyte characters in character literals.
5712 * cccp.c (mbchar.h): #include it.
5713 (main): Set character set based on LANG environment variable.
5714 (rescan): Handle multibyte characters in comments.
5715 (skip_if_group): See above.
5716 (validate_else): See above.
5717 (skip_to_end_of_comment): See above.
5718 (macarg1): See above.
5719 (discard_comments): See above.
5720 (rescan): Handle multibyte characters in string and character literals.
5721 (collect_expansion): See above.
5722 (skip_quoted_string): See above.
5723 (macroexpand): See above.
5724 (macarg1): See above.
5725 (discard_comments): See above.
5726 (change_newlines): See above.
5728 * c-lex.c (mbchar.h): #include it.
5729 (GET_ENVIRONMENT): New macro.
5730 (init_lex): Set character set based on LANG environment variable.
5731 (yylex): Handle multibyte characters in character literals.
5732 (yylex): Handle multibyte characters in string literals.
5734 * Makefile.in (mbchar.o): New target.
5735 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5736 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5738 * mbchar.[ch]: New files for multibyte character handling.
5740 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5742 * jump.c (jump_optimize): When simplifying noop moves and
5743 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5744 the PUSHes to rewrite in second loop as we did in the first.
5746 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5748 * cplus-dem.c (demangle_nested_args): Make function definition
5749 static to match the prototype.
5751 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5753 * alloca.c: Respect USE_C_ALLOCA.
5754 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5755 * gengenrtl.c (xmalloc): Likewise.
5757 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5759 * loop.h (struct induction): Add no_const_addval.
5760 * loop.c (the_movables, reg_address_cost): New variables.
5761 (init_loop): Init reg_address_cost.
5762 (loop_optimize): Call end_alias_analysis.
5763 (scan_loop): Init the_movables.
5764 (record_giv): Init induction->no_const_addval.
5765 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5766 [REG]: Rearrange loop search test to catch more cases.
5767 (general_induction_var): Return success not benefit; take an extra
5768 argument for that. Change all callers.
5769 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5770 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5771 [default]: Search the_movables for additional combinations.
5772 (sge_plus_constant, sge_plus): New functions.
5773 (express_from_1): New function.
5774 (express_from): Always define. Rewrite using express_from_1.
5775 (combine_givs_p): Handle more cases. Ignore address cost.
5776 (cmp_combine_givs_stats): New function.
5777 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5778 (combine_givs): Rewrite to do best-fit combination.
5780 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5781 (fold): Do a complete (A*C)+(B*C) association check.
5783 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5785 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5787 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5789 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5791 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5793 * tree.c (valid_machine_attribute): Only create a new type variant if
5794 there is a decl to use it.
5796 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5798 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5801 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5803 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5806 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5808 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5809 Simplify tests for clearing an address register.
5810 (expand_prologue): Corresponding changes.
5812 * mn10300.md (movXX patterns): Make sure the destination is an
5813 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5814 (logical patterns): Split into expanders + patterns
5815 (zero and sign extension patterns): Similarly.
5816 (shift patterns): Similarly.
5818 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5820 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5821 for the sequence, recording base values.
5823 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5825 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5827 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5829 * gcc.c: Remove ANSI-C ism from --help code.
5831 * toplev.c: Support --help with USE_CPPLIB.
5833 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5835 * configure.in: Rework gas feature code to work with symlink based
5838 * extend.texi: Clarify some issues related to local variables
5839 assigned to explicit registers.
5841 * mn10300.md (mulsi): Turn into expander + pattern.
5843 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5846 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5848 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5850 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5852 * version.c: Bump again to distinguish mainline tree from the
5855 See ChangeLog.0 for earlier changes.
5858 add-log-time-format: current-time-string
OSDN Git Service
