1 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
4 (m32r_output_block_move): Rewrite bytes < 4 handling.
6 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * configure.in: Call AC_FUNC_VFORK.
10 * collect2.c: Define VFORK_STRING as a printable string for
11 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
12 defined, include vfork.h. If VMS is defined, define vfork()
13 appropriately. Remove vfork check on USG, we're using autoconf.
14 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
15 checking locally what string to pass.
16 (scan_prog_file): Likewise.
17 (scan_libraries): Likewise.
19 * gcc.c: Remove vfork check on USG, we're using autoconf.
20 Besides, no calls to vfork/fork occur in this file.
22 * protoize.c: Likewise.
24 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
26 * configure.in (DEFAULT_LINKER): renamed from LD
27 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
28 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
31 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
33 * BUGS: fix the regexp for `more' to find the appropriate node.
34 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
36 * BUGS: added link to the WWW FAQ
38 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
40 * version.c: Bump for snapshot.
42 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
44 * From Christian Gafton:
45 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
46 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
47 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
49 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
51 * c-common.c (c_get_alias_set): Allow all type-punning through
52 unions. Don't get confused about the type of a bit-field, despite
53 the antics of build_modify_expr.
55 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
57 * fixinc.sco: Paramaterize #include_next values.
58 * fixinc/fixinc.sco: Likewise.
60 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
62 * toplev.c (rest_of_compilation): No longer set reload_completed.
63 * reload1.c (reload): Set it here. Perform instruction splitting
64 after reload has completed if we will be running the scheduler
67 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
69 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
70 EH region if exceptions are enabled and we're performing cross
72 (find_cross_jump): Exit loop if the insns are in different EH regions.
74 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
76 * dwarf2out.c (output_call_frame_info): Use
77 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
79 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
81 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
82 * c-common.c (check_format_info): Don't check for the 'x'
83 format character twice, instead check for 'x' and 'X'
85 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
87 * configure.in (assembler features): Also make gas is configured if
88 we find it in the souce tree.
90 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
92 * i386.c (i386_comp_type_attributes): Compare whether the
93 attributes are defined, not their tree nodes.
95 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
97 * configure.in (gxx_include_dir): bitten by autoconf quoting
101 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
103 * configure.in: Ignore non-absolute value in $AS.
105 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
107 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
109 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
111 * configure.in (msdosdjgpp): Set exeext and target_alias.
113 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
115 * flow.c (XNMALLOC): New macro.
116 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
118 (add_edge, add_edge_to_label): New static functions.
119 (free_bb_memory): New function.
120 (flow_delete_insn): Delete function.
121 (basic_block_drops_in): Delete variable.
122 (find_basic_blocks): Allocate and initialize basic_block_head,
123 basic_block_succ. Don't allocate basic_block_drops_in.
124 Call free_bb_memory at the beginning.
125 (find_basic_blocks_1): Don't do multiple passes.
126 Delete code to compute basic_block_drops_in.
127 After calling make_edges, mark blocks reached by current block live.
128 Update test for unreachable live blocks.
129 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
131 Simplify to call add_edge_to_label when a LABEL_REF is found.
132 (make_edges): Simplify to call add_edge_to_label instead of
133 mark_label_ref most of the time.
134 Compute here whether control drops into the next block.
135 (delete_unreachable_blocks): Return void. All callers changed.
136 Delete unreachable blocks in reverse order.
137 After deleting all unreachable blocks, renumber the remaining ones
138 and update n_basic_blocks.
139 (delete_block): Speed up deletion a bit.
140 Don't set basic_block_drops_in for deleted blocks.
141 (free_basic_block_vars): Don't free basic_block_drops_in.
142 (life_analysis_1): Update to use new edge representation.
143 (dump_flow_info): Delete code to print basic block info; call
144 dump_bb_data instead.
145 (compute_preds_succs): Delete code to recompute basic_block_drops_in
146 and uid_block_number.
147 Simply copy the previously computed cfg.
148 (dump_bb_data): New arg LIVE_INFO. All callers changed.
149 Print register lifetime information if LIVE_INFO is nonzero.
150 * basic-block.h (dump_bb_data): Adjust prototype.
151 * gcse.c (gcse_main): Update call to dump_bb_data.
152 * rtl.h (free_bb_memory): Declare.
153 * toplev.c (rest_of_compilation): Call free_bb_memory.
155 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
156 (update_eliminable_offsets): Don't compute it.
157 (set_initial_elim_offsets): Don't initialize it.
158 Break out some code into set_initial_label_offsets so the rest of
159 this function can be called from reload_as_needed.
160 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
161 ELIMINABLE_REGS isn't.
162 (set_initial_label_offsets): New function, broken out of
163 set_initial_elim_offsets.
164 (set_offsets_for_label): New function, broken out of set_label_offsets
165 and reload_as_needed.
166 (reload): Call the two new functions.
167 (reload_as_needed): Call set_initial_elim_offsets instead of
168 duplicating the code. Likewise for set_offsets_for_label.
170 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
171 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
172 any hard reg, reg_reloaded_dead contains valid data.
174 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
176 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
177 "stdcall" and "cdecl" attributes.
179 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
181 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
182 handle deleted no-op moves of hard registers.
183 * haifa-sched.c (update_flow_info): Likewise.
185 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
187 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
188 of the sequences to reload the HILO register which do not actually
191 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
193 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
195 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
197 * except.c (emit_eh_context): Make the EH context register stay alive
198 at -O0 so stupid.c doesn't get confused.
200 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
202 * emit-rtl.c (try_split): Do not try to split a BARRIER.
204 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
205 Jeffrey A Law (law@cygnus.com)
207 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
208 (zero_extendsidi2): Use # in output template and handle completely by
210 (zero_extend splitters): New define_splits.
211 (ashiftrt_32): New pattern.
213 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
215 * tree.c (append_random_chars): New fn.
216 (get_file_function_name_long): Use it.
218 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
220 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
221 (LIBCPP_OBJS): New. Add cppulp.o.
222 (cppmain, fix-header): Depend on and use libcpp.a.
223 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
224 of the individual object files.
225 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
228 * cccp.c (user_label_prefix): New.
229 (main): Set it off -f*leading-underscore.
230 (special_symbol): Use it.
231 * cpplib.c (special_symbol): Likewise.
232 (cpp_handle_option): Handle -f*leading-underscore.
233 * cppulp.c: New file.
235 * output.h (user_label_prefix): Declare it.
236 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
237 * toplev.c (f_options, main): Handle -f*leading-underscore.
239 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
240 referencing USER_LABEL_PREFIX directly.
241 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
242 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
243 * final.c (asm_fprintf): Use user_label_prefix instead.
244 * arm/thumb.c (thumb_print_operand): Likewise.
246 * gcc.c (default_compilers): Pass -f*leading-underscore on to
247 cpp wherever appropriate.
249 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
251 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
252 specific compiler switches.
254 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
256 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
259 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
261 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
262 structure which has exactly the members provided by EXTRA_SPECS.
263 Xmalloc() the real `extra_specs', and initialize it from this
264 intermediate structure.
266 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
268 * mips.h (EXTRA_SPECS): Likewise.
270 * sparc.h (EXTRA_SPECS): Likewise.
272 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
274 * function.c (purge_addressof_1): Instead of aborting when a
275 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
276 work just put the ADDRESSOF on stack. Otherwise remember all such
277 successfull replacements, so that exactly the same replacements
278 can be made on the REG_NOTEs. Remove the special case for CALL
280 (purge_addressof_replacements): New variable.
281 (purge_addressof): Clear it at end.
283 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
285 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
286 (lang_init): Call check_newline always.
287 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
288 cpp_start_read, set yy_cur and yy_lim to read from
289 parse_in.token_buffer, so that we'll see the first #line
291 * cpplib.c (cpp_start_read): finclude the main input file
292 before processing -include/-imacros. Process -imacros and
293 -include separately, and handle -include by stacking a
294 buffer for the file in question as if it'd been #included.
295 * toplev.c (documented_lang_options) Recognize -H when
298 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
300 * cpplib.c: Merge do_once into do_pragma. Break file handling
301 code out of do_include.
302 Move append_include_chain, deps_output,
303 file_cleanup, redundant_include_p, import_hash,
304 lookup_import, add_import, read_filename_string, read_name_map,
305 open_include_file, finclude, safe_read to cppfiles.c.
306 Move prototypes for deps_output, append_include_chain,
307 finclude to cpplib.h. Move definition of struct
308 file_name_list there also.
310 * cppfiles.c: New file. Contains all the above functions
311 broken out of cpplib.c; also hack_vms_include_specification
312 from cccp.c and find_include_file, a new function broken out of
315 * Makefile.in (cppmain): Depend on cppfiles.o.
316 (fix-header): Likewise.
317 (cppfiles.o): New target.
318 * configure.in (--enable-c-cpplib): Add cppfiles.o to
319 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
321 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
323 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
324 if pending_types is non-zero.
325 (dwarfout_finish): Verify pending_types is zero before finishing.
327 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
329 * expr.c (convert_move): Use shifts to perform the move if a
330 suitable extend pattern cannot be found. Code written by
331 Richard Henderson <rth@cygnus.com>.
333 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
335 * regclass.c (renumber, regno_allocated): New static variables, moved
336 out of allocate_reg_info.
337 (allocate_reg_info): Move these two variables outside the function.
338 Move code to free memory into new function free_reg_info.
339 (free_reg_info): New function, broken out of allocate_reg_info.
340 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
341 * rtl.h (allocate_reg_info): Don't declare.
342 (free_reg_info): Declare.
344 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
346 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
348 * toplev.c (compile_file): Temporarily revert last change.
350 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
352 * c-typeck.c (convert_for_assignment): Parenthesize.
354 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
356 * reload1.c (delete_output_reload): Avoid ambigous else.
358 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
360 * toplev.c (compile_file): Call allocate_reg_info to free register
362 * rtl.h (allocate_reg_info): Declare.
364 * PROJECTS: Remove entry for local spilling.
366 * final.c (cleanup_subreg_operands): New function.
367 (final_scan_insn): Use it.
368 (alter_subreg): Clear the "used" field when we turn a SUBREG into
370 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
371 operands when reload has finished.
372 * reload.h (cleanup_subreg_operands): Declare..
373 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
374 reload. Handled in reload itself.
376 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
378 * reload1.c (verify_initial_offsets): New function.
379 (reload): Call it after reload_as_needed. Also verify that the frame
380 size stays constant during reload_as_needed.
381 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
383 * reload.h (struct insn_chain): Add need_operand_change element.
384 * reload1.c (new_insn_chain): Clear it.
385 (calculate_needs_all_insns): Set it; don't overload need_reload.
386 (reload_as_needed): Use it.
388 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
389 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
390 and reload_address_index_reg_class.
391 (find_reloads_address_1): Likewise.
392 * reload.h (reload_address_base_reg_class,
393 reload_address_index_reg_class): Don't declare.
394 * reload1.c (reg_old_renumber, pseudo_previous_regs,
395 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
396 (used_spill_regs): Now static.
397 (reload_address_base_reg_class, reload_address_index_reg_class,
398 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
399 basic_block_needs, max_needs, group_size, group_mode, max_groups,
400 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
403 (init_reload): Delete code to compute base/index reg classes.
404 (reload): Delete variable J.
405 Delete code to manage basic_block_needs.
406 Don't compute regs_explicitly_used.
407 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
408 pseudo_previous_regs.
409 Initialize bad_spill_regs_global.
410 Don't call order_regs_for_reload here.
411 Don't initialize spill_reg_order and n_spills.
412 Don't forbid explicitly used regs to be used for spill regs.
413 Change main loop to infinite loop, with explicit break statements.
414 Make SOMETHING_CHANGED variable local to that loop.
415 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
416 max_groups_insn, max_nongroups_insn, group_size, group_mode.
417 Make sure spilled_speudos is cleared before calling spill_hard_reg or
419 Don't call dump_needs.
420 Delete code to reset potential_reload_regs.
421 Delete code to terminate loop conditional on the global needs variables
422 showing no further needs.
423 (calculate_needs_all_insns): Return void. All callers changed.
424 Initialize somehing_needs_elimination here, not in reload.
425 Delete avoid_return_reg kludge.
426 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
428 Initialize the group_mode and group_size elements of the arg CHAIN.
429 Delete code to manage basic_block_needs.
430 Operate on elements of CHAIN instead of global variables.
431 Delete avoid_return_reg kludge.
432 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
434 Operate on elements of CHAIN instead of global variables.
435 Delete special SMALL_REGISTER_CLASSES code.
436 Delete spill_failure code; now in new_spill_reg.
437 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
439 Operate on elements of CHAIN instead of global variables.
440 (maybe_mark_pseudo_spilled): New static function.
441 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
443 Operate on elements of CHAIN instead of global variables.
444 Call order_regs_for_reload here, not in reload.
445 Initialize spill_reg_order and n_spills.
446 Simplify test whether an asm insn is involved.
447 Delete spill_failure code; now in new_spill_reg.
448 Call maybe_mark_pseudo_spilled for everything marked as live in
449 CHAIN. Merge CHAIN's used_spill_regs into the global variable
451 (dump_needs): Take CHAIN arg. No longer static, to prevent the
452 compiler from optimizing this function (now unused) away.
453 Operate on elements of CHAIN instead of global variables.
454 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
456 Operate on elements of CHAIN instead of global variables.
457 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
458 take CHAIN arg. All callers changed.
459 Operate on elements of CHAIN instead of global variables.
460 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
461 CHAIN, NONGROUP args. Return void. All callers changed.
462 Verify caller isn't trying to spill a pseudo.
463 Simplify test for illegal reg, just use bad_spill_regs.
464 Generate better error messages.
465 Operate on elements of CHAIN instead of global variables.
466 Mark spilled register in CHAIN's used_spill_regs element.
467 Don't call spill_hard_reg.
468 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
469 Mark spilled hard regs in bad_spill_regs_global.
470 Mark affected pseudos in spilled_pseudos, but don't spill them.
471 (ior_hard_reg_set): New static function.
472 (finish_spills): Return int. All callers changed.
473 Compute spill_reg_order, n_spills and spill_regs here. Also update
474 regs_ever_live for regs used as spills.
475 For every pseudo in spilled_pseudos, spill it and mark the previous
476 hard reg it had in pseudo_previous_regs. Compute which hard regs
477 arseudo): New static function.
478 (order_regs_for_reload): Take CHAIN arg. All callers changed.
479 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
480 hard registers explicitly used across the current insn into the set.
481 Compute hard_reg_n_uses taking only pseudos live across this insn
483 Tweak sorting of potential_reload_regs.
484 (compare_spill_regs): Delete function.
485 (reload_as_needed): Don't sort the spill_regs array, it's computed
486 in proper order in finish_spills.
487 Delete avoid_return_reg kludge.
488 Delete code to manage basic_block_needs.
489 (allocate_reload_reg): Minor speed/readability tweaks.
490 Operate on elements of CHAIN instead of global variables.
491 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
492 Delete avoid_return_reg kludge.
493 Initialize reload_reg_used from CHAIN's used_spill_regs element.
494 Delete unused label FAIL.
495 (reload_combine): Replce reload_address_index_reg_class with
497 Don't use used_spill_regs to determine information about lifetime of
500 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
502 * toplev.c (display_help): Ignore empty target specific
503 options, and if -W is also specified on the command line then
504 display undocumented options.
506 * config/arm/arm.c: Updated with changes in devo sources.
507 * config/arm/arm.h: Updated with changes in devo sources.
508 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
509 * config/arm/lib1thumb.asm: Add ELF support.
511 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
513 * collect2.c (aix64_flag): New variable.
514 (main, case 'b'): Parse it.
515 (GCC_CHECK_HDR): object magic number must match mode.
516 (scan_prog_file): Only check for shared object if valid header.
517 Print debugging if header/mode mismatch.
519 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
521 Added support for arm-elf-linux configuration, submitted by Philip
522 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
523 code developed by Catherine Moore <clm@cygnus.com>. The following
526 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
529 * configure: Regenerated.
531 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
532 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
533 definitions conditional on their not having been already defined.
535 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
536 and .type directives, and add "(PLT)" qualification to function
539 * config/arm/linux.h: Deleted. This file is now superceeded by
540 either linux-elf.h or linux-aout.h.
542 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
543 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
545 Move definitions from old linux.h file here.
547 * config/arm/elf.h: New file. Generic ARM/ELF support.
549 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
551 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
553 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
554 using the 26bit APCS.
556 * config/arm/unknown-elf.h: New file. Support for OS'es other
559 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
562 * config/arm/coff.h: Include aout.h for basic assembler macros.
563 Add support for -mstructure_size_boundary=<n> command line option.
565 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
566 command line option. Make macro definitions conditional on their
567 not having been already defined.
569 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
573 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
575 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
576 has been changed to not include a newline. Use this macro instead.
577 (output_enumeral_list, const_value_attribute, name_attribute,
578 comp_dir_attribute, prototyped_attribute, producer_attribute,
579 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
580 dwarfout_file_scope_decl, generate_new_sfname_entry,
581 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
582 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
584 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
586 * combine.c (subst): Process the inputs to a parallel asm_operands
589 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
591 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
593 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
595 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
597 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
599 * version.c: Bump for snapshot.
601 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
603 * stmt.c (expand_fixup): Set fixup->before_jump to a
604 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
606 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
608 * Makefile.in (recog.o): Depend on toplev.h.
609 (insn-emit.o): Depend on recog.h.
610 (insn-peep.o): Depend on recog.h and insn-config.h.
612 * combine.c (simplify_set): Remove unused variable `scratches'.
614 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
615 and `idx' in macro conditional controlling their use.
617 * genemit.c (main): Make the generated output file include
618 recog.h. Don't have it declare `insn_operand_constraint', since
619 we get it from recog.h.
621 * genpeep.c (main): Make the generated output file include
622 insn-config.h and recog.h.
624 * recog.c: Include toplev.h.
625 (extract_insn): Remove unused variable `p'.
627 * regclass.c (fix_register): Add missing braces around initializer
629 (allocate_reg_info): Move variable `i' into the scope where it is
630 used. Change its type to `size_t'.
632 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
634 * reload.c (push_reload): When merging reloads, make sure
635 that reload_in_reg and reload_in are from the same reload in
638 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
640 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
641 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
643 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
645 * loop.c (loop_has_tablejump): New variable.
646 (prescan_loop): Scan for it.
647 (insert_bct): Replace explicit scan with use of it.
648 * regclass.c (regclass): Restore loop variable j.
649 (record_reg_classes): Deterine op_types modifiers and initialize
650 classes[i] before matching constraints. Handle matching
653 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
655 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
658 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
660 * mips.h (EXTRA_SPECS): Add missing initializers.
662 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * sparc.h (EXTRA_SPECS): Add missing initializers.
665 (sparc_defer_case_vector): Provide a prototype.
667 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
668 comparing it to the result of a pointer subtraction.
670 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
673 the argument to (unsigned char).
675 * alpha.h (EXTRA_SPECS): Add missing initializers.
676 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
679 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
681 * flow.c (life_analysis_1): Enable "rescan" code after reload.
682 (propagate_block): Delete dead code after reload.
684 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
685 back Oct 15, 1998 change.
686 * haifa-sched.c (update_flow_info): Likewise.
687 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
689 * mn10200.md (truncated shift): Accept constant inputs too.
691 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
693 * machmode.h (mode_mask_array): No longer const.
694 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
696 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
698 * frame.c: Somewhat explain `FDE'.
699 Suggested by Brendan Kehoe
701 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
703 * expr.c (pending_chain): Move up.
704 (save_expr_status): Do save pending_chain.
705 (restore_expr_status): And restore it.
706 * function.h (struct function): Add pending_chain.
708 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
710 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
711 did not match the code.
713 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
715 * regclass.c (regclass): Break out some code into new function
716 scan_one_insn, and into regclass_init.
717 (init_cost): New static variable, moved out of regclass.
718 (regclass_init): Initialize it here, not in .
719 (scan_one_insn): New static function, broken out of regclass.
720 * recog.c (apply_change_group): Break out some code into new
721 function insn_invalid_p.
722 (insn_invalid_p): New static fn, broken out of apply_change_group.
724 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
726 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
727 reg_reloaded_contents matches incremented pseudo.
729 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
731 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
733 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
734 addressing modes with side effects. These are currently
735 placeholders for the C4x target.
737 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
739 * loop.c (express_from): Make sure that when generating a PLUS of
740 a PLUS, any constant expression appears on the outermost PLUS.
742 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
744 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
745 works if "$(srcdir)" != ".".
747 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
749 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
750 existing SUBREG if we can, otherwise abort.
752 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
754 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
755 `restrict' is applied to a non-pointer variable.
757 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
759 * invoke.texi: Document -flang-isoc9x.
761 * Makefile.in (OBJS): Add splay-tree.o.
762 (c-common.o): Depend on rtl.h.
763 (splay-tree.o): List dependencies and provide build rule.
765 * rtl.h (record_alias_subset): New function.
766 * alias.c: Include splay-tree.h.
767 (alias_set_entry): New type.
768 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
769 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
770 (mems_in_disjoin_alias_sets_p): New function.
771 (alias_set_compare): Likewise.
772 (insert_subset_children): Likewise.
773 (get_alias_set_entry): Likewise.
775 * tree.h (TYPE_RESTRICT): New macro.
776 (TYPE_UNQUALIFIED): New manifest constant.
777 (TYPE_QUAL_CONST): Likewise
778 (TYPE_QUAL_VOLATILE): Likewise.
779 (TYPE_QUAL_RESTRICT): Likewise.
780 (tree_type): Add restrict_flag. Reduce count of free bits.
781 (DECL_POINTER_ALIAS_SET): New macro.
782 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
783 (tree_decl): Add pointer_alias_set.
784 (build_qualified_type): New function.
785 (build_type_variant): Define in terms of build_qualified_type.
786 * tree.c (set_type_quals): New function.
787 (make_node): Initializae DECL_POINTER_ALIAS_SET.
788 (build_type_attribute_variant): Use build_qualified_type and
790 (build_type_variant): Rename, and modify, to become...
791 (build_qualified_type): New function.
792 (build_complex_type): Use set_type_quals.
794 * c-tree.h (C_TYPE_OBJECT_P): New macro.
795 (C_TYPE_FUNCTION_P): Likewise.
796 (C_TYPE_INCOMPLETE_P): Likewise.
797 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
798 (c_apply_type_quals_to_decl): New function.
799 (c_build_qualified_type): New function.
800 (c_build_type_variant): Define in terms of c_build_qualified_type.
801 (flag_isoc9x): Declare.
802 * c-typeck.c (qualify_type): Use c_build_qualified_type.
803 (common_type): Change to use TYPE_QUALS.
804 (comptypes): Likewise.
805 (convert_for_assignment): Likewise.
806 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
807 * c-decl.c (flag_isoc9x): Define.
808 (c_decode_option): Handle -flang-isoc9x.
809 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
810 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
811 * c-lex.c (init_lex): Deal with restrict.
812 (init_lex): Don't treat restrict as a reserved word in
813 -traditional mode, or without -flang-isoc9x.
814 * c-lex.h (rid): Add RID_RESTRICT.
815 * c-parse.gperf (restrict, __restrict, __restrict__): Make
816 equivalent to RID_RESTRICT.
817 * c-parse.in (TYPE_QUAL): Update comment.
818 * c-common.c: Include rtl.h.
819 (c_find_base_decl): New function.
820 (c_build_type_variant): Rename, and modify, to become ...
821 (c_build_qualified_type): New function.
822 (c_apply_type_quals_to_decl): Likewise.
823 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
824 a particular alias set for the reference.
825 * toplev.c (documented_lang_options): Add -flang-isoc9x.
827 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
829 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
830 command line switches.
832 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
834 * reload.c (loc_mentioned_in_p): Add missing braces to bind
837 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
839 * gcc.c (option_map): Added --classpath and --CLASSPATH.
841 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
843 * regclass.c (fix_register): Add error message.
844 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
847 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
849 * c-decl.c (warn_missing_noreturn): New global variable.
850 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
851 (finish_function): Implement missing noreturn warning.
853 * c-tree.h (warn_missing_noreturn): Declare extern.
855 * invoke.texi: Document new flags.
857 * toplev.c (documented_lang_options): Add description.
859 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
861 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
862 loop optimization stable for the C4x.
863 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
864 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
865 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
867 (c4x_address_conflict): Be more paranoid when packing a volatile
868 memref in a parallel load/store.
870 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
872 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
873 repeat_block_filler): Deleted.
874 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
875 Condition code not set if destination register from 'c' class.
876 (*subbqi3_carry_clobber): Fix typo.
878 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
880 * reorg.c (steal_delay_list_from_target) Check for insns that
881 modify the condition codes and effect the direction of the jump
884 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
886 * function.c (purge_addressof_1): Replace call to
887 emit_insns_before() with emit_insn_before().
889 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
891 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
893 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
895 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
897 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
899 * gcse.c (compute_hash_table): Correctly identify hard regs which are
900 clobbered across calls.
902 * loop.c (scan_loop): Be more selective about what invariants are
905 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
907 * version.c: Bump for snapshot.
909 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
911 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
912 static eh_context structure.
914 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
916 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
918 (try_combine): Don't update max_scratch.
919 * flow.c (max_scratch, num_scratch): Delete variables.
920 (life_analysis_1): Don't initialize max_scratch.
921 (propagate_block): Don't update max_scratch.
922 (mark_set_1): Don't increment num_scratch.
923 * regs.h (max_scratch): Delete declaration.
925 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
927 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
928 is nonzero. This is temporary!
930 * sched.c (update_flow_info): Handle death notes made invalid by
931 instruction splitting. Partially reverts Oct 15, 1998 patch.
932 * haifa-sched.c (update_flow_info): Likewise.
934 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
936 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
937 if it has a nonzero DECL_INITIAL.
939 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
941 * Makefile.in (flow.o): Depend on recog.h.
943 * cpplib.h (directive_table): Add missing initializiers.
944 (finclude): Change type of variable `bsize' to size_t.
946 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
948 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
950 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
951 `int' when comparing against one.
952 (cpp_file_line_for_message): Mark parameter `pfile' with
954 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
956 * flow.c: Include recog.h.
957 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
959 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
960 `f' with ATTRIBUTE_UNUSED.
961 (reposition_prologue_and_epilogue_notes): Likewise.
963 * genopinit.c (gen_insn): Cast argument of ctype functions to
966 * haifa-sched.c: Include recog.h.
967 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
968 comparing against one.
970 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
972 * mips-tfile.c (parse_end): Cast the argument of ctype function to
974 (parse_ent): Likewise.
975 (parse_input): Likewise.
977 * optabs.c (init_libfuncs): Likewise.
979 * protoize.c (find_rightmost_formals_list): Likewise.
981 * recog.h (const_double_operand): Fix typo in prototype.
983 * tlink.c (scan_linker_output): Cast the argument of ctype
984 function to `unsigned char'.
986 * toplev.c (check_lang_option): Cast the result of `strlen' to
987 `int' when comparing against one.
989 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
991 * gcse.c (dump_cuid_table): Correct typo.
993 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
995 * toplev.c (display_help): Prepend '-m' to target specific
997 (check_lang_option): Ignore text after end of first word of a
998 language specific option.
1000 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1002 * reload1.c (reg_used_by_pseudo): New static variable.
1003 (choose_reload_regs): Initialize it.
1004 Use it instead of testing spill_reg_order to determine whether a
1005 pseudo is live in a hard register across the current insn.
1006 Fix a typo in a reference to reload_reg_rtx.
1008 * flow.c (propagate_block): Replace code that computes and uses
1009 regs_sometimes_live with simpler code that just walks the set of
1010 currently live registers.
1012 * Makefile.in (insn-extract.o): Fix dependencies.
1013 * genextract.c (main): Generate includes for insn-config.h and
1015 Delete generation of declarations which are now in recog.h.
1016 * genrecog.c (main): Delete generation of definitions which are
1018 * local-alloc.c (block_alloc): Use extract_insn and the variables
1019 it sets up instead of looking up values by insn_code.
1020 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1021 recog_dup_num): Define here instead of generating the definition in
1023 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1024 recog_operand_mode, recog_constraints, recog_operand_address_p):
1026 (extract_insn): New function.
1027 * recog.h (extract_insn): Declare function.
1028 (which_alternative, recog_n_operands, recog_n_dups,
1029 recog_n_alternatives, recog_operand_mode, recog_constraints,
1030 recog_operand_address_p): Declare variables.
1031 * regclass.c (n_occurrences): New static function.
1032 * reload.c (n_occurrences): Delete function.
1033 (find_reloads): Use extract_insn.
1034 * reload.h (n_occurrences): Delete declaration.
1036 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1038 * reload1.c (reload_as_needed): Fix test for when to call
1039 update_eliminable_offsets.
1041 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1043 Fix consistency problems with reg_equiv_{mem,address};
1044 Improve reload inheritance;
1046 * reload.c (reload_out_reg): New variable.
1047 (loc_mentioned_in_p, remove_address_replacements): New functions.
1048 (remove_replacements): Deleted.
1049 (push_reload): Set reload_out_reg[i].
1050 When merging, also set reload_{in,out}_reg[i], and remove
1051 duplicate address reloads.
1052 (combine_reloads): Copy reload_out_reg[i].
1053 (find_reloads): Do make_memloc substitution also when
1054 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1056 Include *recog_operand_loc in commutativity operand changes.
1057 Generate optional output reloads.
1058 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1059 processing operands. Call make_memloc in reg_equiv_address code.
1060 Set *recog_operand_loc only after processing operands, and only
1061 if replace is true. Return a value.
1062 When changing address reload types for operands that didn't get
1063 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1064 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1065 Don't emit USEs for pseudo SUBREGs when not replacing.
1066 (find_reloads_address): Do make_memloc substitution also when
1067 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1069 (find_reloads_toplev): Likewise.
1070 Call make_memloc in reg_equiv_address code.
1071 (debug_reload_to_stream): Add code to output reload_out_reg.
1072 (make_memloc): Delete local variable i, ifdefed out code, and
1073 references to memlocs and n_memlocs.
1074 (memlocs, n_memlocs): Delete.
1075 (push_secondary_reload): Clear reload_out_reg.
1076 (find_reloads_address_1): Provide memrefloc argument to all calls
1077 to find_reloads_address.
1078 In AUTO_INC code, handle non-directly addressable equivalences properly.
1079 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1080 (find_reloads): Add return type.
1081 (remove_address_replacements, deallocate_reload_reg): Declare.
1082 * reload1.c (num_not_at_initial_offset): No longer static.
1083 (delete_address_reloads, delete_address_reloads_1): Likewise.
1084 (deallocate_reload_reg): New function.
1085 (spill_reg_stored_to): New array.
1086 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1087 (eliminate_regs_in_insn): Move assignments of previous_offset and
1088 max_offset fields, and recalculation of num_not_at_initial_offset
1089 into new static function:
1090 (update_eliminable_offsets) .
1091 (reload_as_needed): Call update_eliminable_offsetss after calling
1093 Call forget_old_reloads_1 with contents of reloaded auto_inc
1094 expressions if the actual addressing can't be changed to match the
1096 (choose_reload_regs): For inheritance, replace
1097 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1098 remove stand-alone reload_reg_used_at_all test.
1099 Use reload_out_reg to determine which reload regs have output reloads.
1100 Treat reload_override_in more similar to inherited reloads.
1101 Handle (subreg (reg... for inheritance.
1102 For flag_expensive_optimizations, add an extra pass to remove
1103 unnecessary reloads from known working inheritance.
1104 Delete obsolete code for pseudos replaced with MEMs.
1105 Handle inheritance from auto_inc expressions.
1106 (emit_reload_insns): If reload_in is a MEM, set OLD to
1108 Don't reload directly from oldequiv; if it's a pseudo with a
1109 stack slot, use reload_in[j].
1110 Check that reload_in_reg[j] is a MEM before replacing reload_in
1111 from reg_reloaded_contents.
1112 Include non-spill registers in reload inheritance processing.
1113 Also try to use reload_out_reg to set spill_reg_store /
1114 reg_last_reload_reg.
1115 In code to set new_spill_reg_store, use single_set to find out if
1116 there is a single set.
1117 Add code that allows to delete optional output reloads.
1118 Add code to allow deletion of output reloads that use no spill reg.
1119 At the end, set reload_override_in to oldequiv.
1120 Also call delete_output_reload if reload_out_reg is equal to old
1122 Add code to call delete_output_reload for stores with no matching load.
1123 Set / use spill_reg_stored_to.
1124 Handle case where secondary output reload uses a temporary, but
1125 actual store isn't found.
1126 When looking for a store of a value not loaded in order to call
1127 delete_output_reload, count_occurences should return 0 for no
1128 loads; but discount inherited input reloadill_reg_stored_to.
1129 Do checks for extra uses of REG. Changed all
1131 Use delete_address_reloads.
1132 (reload): Take return value of find_reloads into account.
1133 If a no-op set needs more than one reload, delete it.
1134 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1135 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1136 for the same operand.
1137 (clear_reload_reg_in_use): Check for other reloads that keep a
1139 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1140 RELOAD_FOR_OPADDR_ADDR.
1141 Take into account when an address address reload is only needed
1142 for the address reload we are considering.
1143 (count_occurrences): Use rtx_equal_p for MEMs.
1144 (inc_for_reload): Return instruction that stores into RELOADREG.
1145 New argument two, IN, and rtx. Changed all callers.
1146 (calculate_needs_all_insns, reload_as_needed):
1147 Don't clear after_call for a CLOBBER.
1148 Keep track of how many hard registers need to be copied from
1149 after_call, and don't clear after_call before we have seen
1150 that much copies, or we see a different instruction.
1152 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1154 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1155 after reload has completed.
1157 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1159 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1160 a macro name and the next token with a single blank if that whitespace
1161 is in a macro buffer and the next token is not '('.
1163 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1165 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1167 (skip_if_group): Ditto.
1168 (skip_to_end_of_comment): Ditto.
1170 (discard_comments): Ditto.
1171 (change_newlines): Ditto.
1173 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1175 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1177 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1179 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1180 (TARGET_OPTIONS): Add --help documentation.
1182 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1184 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1186 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1188 * fixinc/* Moved in from ../contrib directory in preparation
1189 for integrating it into the normal build process. In particular,
1190 fixinc/Makefile.in must be config-ed into the build directory
1191 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1192 ./configure.in will be "in the mail" momentarily.
1194 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1196 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1197 accidently walk into the free list. Comment how that can happen.
1198 (invalidate): Fix indentation.
1200 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1201 Jeffrey A Law (law@cygnus.com)
1203 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1204 reload. Never perform rescans of the insn chain after reload.
1205 (propagate_block): Do not delete insn or create new autoinc addressing
1208 * jump.c (jump_optimize): Unconditionally use the code that was
1209 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1210 * reload1.c (reload): When reloading is finished, delete all
1211 REG_DEAD and REG_UNUSED notes.
1212 (emit_reload_insns): Delete all code that was conditional on
1213 PRESERVE_DEATH_INFO_REGNO_P.
1214 (no_longer_dead_regs): Delete variable.
1215 (reload_cse_delete_death_notes): Delete function.
1216 (reload_cse_no_longer_dead): Delete function.
1217 (reload_cse_regs_1): Delete all code to handle deletion of death
1219 (reload_cse_noop_set_p): Likewise.
1220 (reload_cse_simplify_set): Likewise.
1221 (reload_cse_simplify_operands): Likewise.
1222 (reload_cse_move2add): Likewise.
1223 * reorg.c (used_spill_regs): Delete declaration.
1224 (max_label_num_after_reload): Delete declaration.
1225 (find_dead_or_set_registers): Don't assume that spill regs are
1226 dead at a CODE_LABEL.
1227 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1229 * sched.c (sched_analyze_insn): Likewise.
1230 (update_flow_info): Likewise.
1231 * haifa-sched.c (sched_analyze_insn): Likewise.
1232 (update_flow_info): Likewise.
1233 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1234 * toplev.c (max_label_num_after_reload): Delete variable.
1235 (rest_of_compilation): Don't set max_label_num_after_reload.
1236 Call life_analysis after reload_cse_regs if optimizing.
1237 * config/gmicro/gmicro.h: Delete comment referring to
1238 PRESERVE_DEATH_INFO_REGNO_P.
1239 * config/i386/i386.h: Likewise.
1240 * config/m88k/m88k.h: Likewise.
1241 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1242 * config/sh/sh.h: Likewise.
1244 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1246 * loop.c (strength_reduce): Restore marking bct_p as
1248 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1249 HAVE_decrement_and_branch_on_count.
1250 (small_data_operand): Remove TARGET_ELF condition for marking
1251 parameters ATTRIBUTE_UNUSED.
1253 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1255 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1256 (SELECT_SECTION): Resync with svr4.h.
1258 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1260 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1263 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1265 * c-pragma.c (handle_pragma_token): Test for null tree before
1266 dereferencing TREE_CODE.
1268 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1270 * config/c4x/c4x.c: Convert to use GEN_INT.
1271 (c4x_parallel_process): Rework to handle new repeat loop structure.
1273 * config/c4x/c4x.md: Convert to use GEN_INT.
1274 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1275 (decrement_and_branch_on_count): Likewise.
1277 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1278 loop.c has the desired functionality.
1279 (rc_reg_operand): New prototype.
1281 * config/c4x/t-c4x: Can now build all front ends.
1283 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1285 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1287 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1289 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1290 * config/t-rtems: Do not install assert.h -- use newlib's.
1292 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1294 * combine.c (combine_instructions): When finished, call init_recog.
1295 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1297 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1299 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1301 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1303 * cppalloc.c (memory_full): Mark function prototype with
1306 * demangle.h (collect_exit): Likewise.
1308 * fix-header.c (v_fatal, fatal): Likewise.
1310 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1313 * gcov.c (print_usage): Likewise.
1315 * genattr.c (fatal, fancy_abort): Likewise.
1317 * genattrtab.c (fatal, fancy_abort): Likewise.
1319 * gencodes.c (fatal, fancy_abort): Likewise.
1321 * genconfig.c (fatal, fancy_abort): Likewise.
1323 * genemit.c (fatal, fancy_abort): Likewise.
1325 * genextract.c (fatal, fancy_abort): Likewise.
1327 * genflags.c (fatal, fancy_abort): Likewise.
1329 * genopinit.c (fatal, fancy_abort): Likewise.
1331 * genoutput.c (fatal, fancy_abort): Likewise.
1333 * genpeep.c (fatal, fancy_abort): Likewise.
1335 * genrecog.c (fatal, fancy_abort): Likewise.
1337 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1338 __sjpopnthrow, __throw): Likewise.
1340 * objc/objc-act.c (objc_fatal): Likewise.
1342 * protoize.c (usage, aux_info_corrupted,
1343 declare_source_confusing): Likewise.
1345 * rtl.c (dump_and_abort): Likewise.
1347 * rtl.h (sets_cc0_p): Likewise.
1349 * toplev.c (float_signal, pipe_closed): Likewise.
1351 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1353 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1354 when generating the decision tree for the general case.
1356 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1357 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1359 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1361 * Makefile.in (sched.o): Depend on recog.h.
1363 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1364 (unsigned) when comparing against one.
1365 (find_base_value): Likewise.
1366 (record_base_value): Cast variable `regno' to (unsigned) when
1367 comparing against one. Cast the result of REGNO() macro to
1368 (unsigned) when comparing against one.
1369 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1371 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1372 variable where an unsigned index is needed.
1374 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1375 before comparing against one.
1377 * collect2.c: Add prototypes for functions `error', `fatal' and
1378 `fatal_perror'. Make these functions take variable arguments
1379 instead of faking it with a fixed number of args.
1380 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1383 * combine.c (can_combine_p): Mark parameter `pred' with
1385 (find_split_point): Cast variable `src' to (unsigned
1386 HOST_WIDE_INT) when comparing against one.
1387 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1388 (simplify_logical): Likewise.
1389 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1390 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1391 HOST_WIDE_INT) in shift.
1392 (simplify_and_const_int): Cast result of INTVAL() macro to
1393 `unsigned HOST_WIDE_INT' when comparing against one.
1394 (merge_outer_ops): Cast variable const0 to `unsigned
1395 HOST_WIDE_INT' when comparing against the result of
1396 GET_MODE_MASK() macro.
1397 (simplify_comparison): Likewise for variable `c0'. Cast variable
1398 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1399 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1400 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1401 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1402 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1403 comparing against one.
1404 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1406 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1407 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1408 (output_block_move): Cast `sizeof' expression to (int) when
1409 comparing against one.
1410 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1412 (save_restore_insns): Cast `base_offset' to `long' to match format
1413 specifier in fprintf.
1415 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1416 to `enum machine_mode'.
1418 * flow.c (life_analysis_1): Remove unused variable `insn'.
1420 * gcc.c (translate_options): Move variables `j' and `k' into the
1421 scope in which they are used. Change their types to `size_t'.
1422 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1423 (read_specs): Likewise.
1424 (process_command): Cast `sizeof' to (int) when comparing against one.
1425 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1426 (handle_braces): Cast both sides of `==' expression to `long' to
1427 ensure sign matching.
1428 (main): Cast variable `i' to `int' when comparing against one.
1430 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1431 int to size_t. Cast variable `i' to size_t when comparing against
1434 * genattrtab.c (convert_set_attr_alternative): Remove unused
1435 parameter `insn_code'. All callers changed.
1436 (convert_set_attr): Likewise.
1438 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1439 size_t when comparing against one. Likewise for variable `len'.
1441 * global.c (global_alloc): Cast variable `max_regno' to size_t
1442 when comparing against one. Likewise for variable `max_allocno'.
1444 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1446 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1447 `set' with ATTRIBUTE_UNUSED.
1448 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1451 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1452 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1453 (get_condition): Cast variable `const_val' to `unsigned
1454 HOST_WIDE_INT' when comparing against one. Cast unsigned
1455 expression to HOST_WIDE_INT when comparing against one.
1456 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1457 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1458 `unsigned' when comparing against one.
1460 * protoize.c (is_id_char): Change type of parameter `ch' to
1462 (munge_compile_params): Cast argument of ctype macro to (const
1464 (process_aux_info_file): Cast variable `aux_info_size' to int when
1465 comparing against one.
1466 (forward_to_next_token_char): Cast argument of ctype macro to
1467 `const unsigned char'.
1468 (edit_formals_lists): Likewise.
1469 (find_rightmost_formals_list): Likewise.
1470 (add_local_decl): Likewise.
1471 (add_global_decls): Likewise.
1472 (edit_fn_definition): Likewise.
1473 (do_cleaning): Likewise.
1474 (scan_for_missed_items): Likewise.
1475 (edit_file): Cast variable `orig_size' to (int) when comparing
1477 (main): Cast argument of ctype macro to `const unsigned char'.
1479 * recog.c (const_int_operand): Mark parameter `mode' with
1482 * regclass.c (record_reg_classes): Change type of variable `c' to
1483 `unsigned char'. Cast `char' array index to `unsigned char'.
1485 * reload.c (push_secondary_reload): Cast argument to
1486 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1488 * reload1.c (calculate_needs): Cast `char' array index to
1490 (set_label_offsets): Change type of variable `i' to unsigned int.
1491 Cast result of XVECLEN() macro to unsigned when comparing against
1493 (mark_not_eliminable): Change type of variable `i' to unsigned.
1494 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1495 when comparing against one.
1496 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1497 comparing against one.
1498 (choose_reload_regs): Hide unused label `fail'.
1499 (reload_cse_simplify_operands): Cast `char' array index to
1501 (reload_combine_note_store): Mark parameter `set' with
1502 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1504 (reload_cse_move2add): Remove unused variable `src2'.
1506 * sched.c: Include recog.h.
1507 (sched_note_set): Remove unused parameter `b'. All callers
1509 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1510 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1511 when comparing against one.
1513 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1514 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1515 comparing against one.
1517 * unroll.c (precondition_loop_p): Remove unused parameter
1518 `loop_end'. All callers changed.
1520 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1522 * reload1.c (maybe_fix_stack_asms): New static function.
1525 * reload.h (compute_use_by_pseudos): Declare.
1527 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1528 (something_needs_reloads): Delete variable.
1529 (finish_spills): New function.
1530 (compute_use_by_pseudos): New function.
1532 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1533 Use the reload_insn_chain instead of walking the rtl directly.
1535 (reload): Allocate and free spilled_pseudos.
1536 Ensure that all calls of spill_hard_reg are followed by a call to
1538 Use the insns_need_reload list instead of something_needs_reloads
1539 to find out if reload_as_needed must be called.
1540 Clear unused_insn_chains at the end.
1542 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1544 Delete code to keep track of current basic block.
1545 Walk reload_insn_chain instead of the rtl structure. Build the
1546 insns_need_reload chain.
1547 Remember which insns need reloading/elimination by setting the
1548 appropriate fields in struct insn_chain, not by putting modes on the
1551 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1552 arg INSN. All callers changed.
1553 Delete declaration of struct needs.
1554 Don't set something_needs_reloads.
1555 Record insn needs in the CHAIN argument.
1557 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1559 (reload_as_needed): Lose FIRST arg. All callers changed.
1560 Walk the reload_insn_chain instead of the rtx structure.
1561 Delete code to keep track of current basic block.
1562 Rename one of the NEXT variables to OLD_NEXT.
1564 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1566 (choose_reload_regs): Likewise.
1568 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1571 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1572 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1573 (hard_regs_live, hard_regs_need_restore): Delete variables.
1574 (n_regs_saved): Now static.
1575 (referenced_regs, this_insn_sets): New variables.
1577 (setup_save_areas): Restructure the code a bit.
1579 (restore_referenced_regs): Delete function.
1580 (mark_referenced_regs): New function, similar to the old
1581 restore_referenced_regs, but mark registers in referenced_regs.
1583 (clear_reg_live): Delete function.
1584 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1585 Only mark registers in this_insn_sets.
1587 (save_call_clobbered_regs): Rework this function to walk the
1588 reload_insn_chain instead of using the list of instructions directly.
1589 Delete code to keep track of register lives, compute live regs on the
1590 fly from information in the chain.
1591 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1592 then walk the set it computes and call insert_restore as appropriate.
1594 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1596 Restructure the code a bit. Test hard_regs_saved instead of
1597 hard_regs_need_restore.
1598 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1599 args. All callers changed.
1600 Restructure the code a bit. Use TO_SAVE to determine which regs to
1601 save instead of more complicated test.
1602 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1604 Create a new insn_chain structure for the new insn and place it
1607 * rtl.texi: Update documentation to reflect that reload no longer
1608 puts modes on the insns.
1610 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1612 * function.c (purge_addressof_1): Force the first argument of a
1613 CALL insn to memory.
1615 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1617 * rtl.h: Delete duplicate prototypes. Add some missing
1619 * rtlanal.c: (for_each_rtx): Formatting tweak.
1621 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1623 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1624 to be compatible with TI compiler.
1626 * Makefile.in (USER_H): Add va-c4x.h to definition.
1628 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1630 * function.c (purge_addressof_1): Fix typo in inequality: do
1631 bitfield optimization for equal mode sizes.
1632 * expmed.c (store_bit_field): Don't take subregs of subregs in
1633 the movstrict case. Tidy a potential problem in the multi-word case.
1634 (extract_bit_field): Likewise.
1636 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1638 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1640 Compute max_uid_for_flow by calling get_max_uid after the scan.
1641 (find_basic_blocks_1): Don't emit NOPs here.
1643 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1645 * alias.c (base_alias_check): Accept new args for the modes of the
1646 two references. Use them to determine if an AND can overlap. Update
1648 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1649 to determine if an AND can overlap.
1651 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1653 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1654 check. Add comment to document problems with TARGET_SUN_FPA version
1656 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1658 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1660 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1662 * c-common.c (print_char_table): Add missing initializers.
1663 (scan_char_table): Likewise.
1664 (time_char_table): Likewise.
1666 * c-decl.c (c_decode_option): Mark parameter `argc' with
1668 (declare_parm_level): Mark parameter `definition_flag' with
1671 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1672 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1675 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1677 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1679 (expand_call): Cast result of MIN() to (unsigned int) when
1680 comparing against an unsigned value.
1682 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1684 (make_definition): Remove unused parameter `op'. All callers
1686 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1687 comparing against the result of pointer arithmetic.
1689 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1690 when comparing against one.
1692 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1693 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1695 (output_die): Move variable `i' into the scope in which it is
1696 used. Change its type to `unsigned'.
1697 (output_die): Cast the result of `strlen' to (int) when passing it
1698 to ASM_OUTPUT_ASCII().
1699 (output_pubnames): Likewise.
1700 (output_line_info): Likewise.
1702 * emit-rtl.c (global_rtl): Add missing initializers.
1704 * explow.c (promote_mode): Mark parameter `for_call' with
1707 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1708 `unsigned HOST_WIDE_INT' when comparing against one.
1709 (synth_mult): Change type of variable `cost' to int.
1710 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1712 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1713 when comparing against one.
1714 (get_inner_reference): Change variable `alignment' to unsigned.
1715 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1716 int) when comparing against one.
1717 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1719 * fold-const.c (div_and_round_double): Cast BASE to
1720 (HOST_WIDE_INT) when comparing against one.
1722 * gencheck.c: Include gansidecl.h.
1723 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1725 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1726 `tcode' with ATTRIBUTE_UNUSED.
1728 * real.c (edivm): Cast constant value to (unsigned long) in
1729 expression compared against an unsigned value.
1731 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1732 comparing against one.
1733 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1734 when comparing against one.
1736 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1737 (unsigned int) when comparing against one. Likewise for
1739 (smallest_mode_for_size): Likewise.
1740 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1741 (restore_storage_status): Likewise.
1743 * toplev.c (debug_args): Add missing initializer.
1744 (f_options): Spelling correction. Add missing initializers.
1745 (documented_lang_options): Likewise.
1746 (debug_end_source_file): Mark parameter `lineno' with
1749 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1750 `decl' and `type' with ATTRIBUTE_UNUSED.
1752 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1753 when comparing against one.
1754 (assemble_variable): Mark parameter `top_level' with
1756 (assemble_external_libcall): Mark parameter `fun' with
1758 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1761 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1763 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1764 Replace use of r5 with use of r19.
1766 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1768 * config/v850/v850.c (compute_register_save_size): Allow for the
1769 fact that helper functions save all registers, not just those used
1772 Replace constant 31 with macro LINK_POINTER_REGNUM.
1774 * config/v850/v850.md: Use 'indirect_operand' rather than
1775 'memory_operand' for bit test/set/clear patterns.
1777 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1779 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1780 * varasm.c (assemble_start_function et al): Don't call
1781 ASM_GLOBALIZE_LABEL for weak symbols.
1783 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1785 * cse.c (equiv_constant): Check for NULL return from
1786 gen_lowpart_if_possible().
1788 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1790 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1792 * collect2.c (main): Pass -EL/-EB through to the compiler.
1794 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1796 * expr.c (push_block): Handle targets where the stack grows
1797 to higher addresses, but args grow to lower addresses and
1798 ACCUMULATE_OUTGOING_ARGS is not defined.
1800 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1802 * config/v850/v850.c (print_operand): Extend meaning
1803 of 'c' operands to support .vtinherit.
1805 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1807 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1808 Added ATTRIBUTE_UNUSED to unused function arguments.
1809 (rc_reg_operand): New predicate.
1810 (c4x_rptb_insert): New function.
1811 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1812 (c4x_optimization_options): New function.
1814 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1815 (decrement_and_branch_on_count): New pattern.
1816 (rptb_top): Modified pattern to work with BCT optimization.
1818 * config/c4x/c4x.h (RC_REG): New register class.
1819 (rc_reg_operand): Define prototype.
1820 (IS_RC_REG): New macro.
1821 (IS_RC_OR_PSEUDO_REG): New macro.
1822 (IS_RC_OR_PSEUDO_REGNO): New macro.
1823 (OPTIMIZATION_OPTIONS): Define.
1825 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1827 * collect2.c (extract_init_priority): No priority is 65535.
1829 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1831 * Makefile.in (build_tooldir): new variable, same as old
1832 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1833 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1834 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1836 * configure.in (gxx_include_dir): set default based on unlibsubdir
1837 * Makefile.in (tooldir): ditto
1838 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1839 gxx_include_dir, includedir and tooldir
1840 (protoize.o, unprotoize.o): ditto
1842 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1844 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1846 * config/arm/thumb.c (thumb_override_options): Add warning about
1847 PIC code not being supported just yet.
1849 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1851 * flow.c: Update comment.
1852 (notice_stack_pointer_modification): New static function.
1853 (record_volatile_insns): Use it.
1854 (mark_regs_live_at_end): Mark the stack pointer as alive
1855 at the end of the function if current_function_sp_is_unchanging
1857 (life_analysis_1): Set current_function_sp_is_unchanging.
1858 * function.c: Define it.
1859 (init_function_start): Initialize it.
1860 * output.h: Declare it.
1861 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1862 the stack pointer as alive at the end of the function if
1863 current_function_sp_is_unchanging is set.
1864 * i386.c (ix86_epilogue): Optimize the restoring
1865 of the stack pointer.
1867 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1869 * version.c: Bump for snapshot.
1871 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1873 * c-pragma.c (handle_pragma_token): If passed a token instead
1874 of a tree, use that as the pack value.
1876 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1878 * flow.c (find_basic_blocks_1): Fix prototype.
1880 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1882 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1883 (struct tree_decl): New fields no_check_memory_usage.
1884 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1885 (init_attributes): Register it as a new attribute.
1886 (decl_attributes): Set flags on functions given that attribute.
1887 * c-decl.c (duplicate_decls): Merge new attribute.
1888 * expr.h (current_function_check_memory_usage): Declare new var.
1889 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1890 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1891 current_function_check_memory_usage.
1892 * function.h: Add field to struct function.
1893 * function.c (current_function_check_memory_usage): Define it.
1894 (push_function_context_to, pop_function_context_from): Save and
1896 (expand_function_start): Set it, based on global flag and function
1899 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1900 check non-automatic variables, to permit detection of writes to
1901 read-only locations in embedded systems without memory management.
1902 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1903 when emitting chkr_set_right_libfunc call, even if the argument is
1904 BLKmode or variable-sized; don't abort.
1906 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1907 symbols in Pmode, not VOIDmode.
1909 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1911 * cppexp.c: When forcing unsigned comparisons, cast both sides
1914 * cpphash.h: Move static declaration of hashtab[]...
1915 * cpphash.c: ...here.
1917 * cpplib.c: Cast difference of two pointers to size_t before
1918 comparing it to size_t. Cast signed to unsigned
1919 before comparing to size_t. (FIXME: struct argdata should use
1920 unsigned buffer sizes.)
1921 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1922 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1923 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1924 size_t before comparison.
1926 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1928 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1929 (find_basic_blocks_1): Similarly.
1930 * output.h (find_basic_blocks): Fix prototype.
1931 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1932 find_basic_blocks anymore.
1934 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1936 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1937 (sbitmap_free, sbitmap_vector_free): New macros.
1938 * output.h (rtl_dump_file): Declare.
1940 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1942 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1944 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1948 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1949 (divide): Remove unused variable `tmp'.
1950 (si_to_float): Cast numeric constant to (SItype) before comparing
1953 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1955 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1956 * gcc.c (add_preprocessor_option): Correct typo when allocating
1957 memory, sizeof() argument had one too many `*'.
1958 (add_assembler_option): Likewise.
1959 (add_linker_option): Likewise.
1960 * gcov.c (output_data): Likewise.
1961 * local-alloc.c (memref_used_between_p): Likewise.
1962 (update_equiv_regs): Likewise.
1963 * loop.c (strength_reduce): Likewise.
1964 * reg-stack.c (record_asm_reg_life): Likewise.
1965 (subst_asm_stack_reg): Likewise.
1966 * reorg.c (dbr_schedule): Likewise.
1968 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1970 * flow.c (life_analysis_1): Break out some functions.
1971 (find_basic_blocks_1): Likewise. Also move some variables out and
1973 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1974 new static var nonlocal_label_list with it.
1975 (active_eh_region, nested_eh_region, label_value_list,
1976 nonlocal_label_list): New static variables.
1977 (make_edges, delete_unreachable_blocks, delete_block): New static
1978 functions, broken out of find_basic_blocks_1.
1979 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1980 noop_move_p): New static functions, broken out of life_analysis_1.
1982 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1984 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1985 Take extra care for op0 now possibly being a subreg.
1986 (extract_bit_field): Likewise.
1987 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1988 the reg to memory if there is no equal sized integral mode.
1989 * stor-layout.c (int_mode_for_mode): New function.
1990 * machmode.h: Prototype it.
1992 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1994 * global.c (build_insn_chain): Verify no real insns exist past the
1995 end of the last basic block, then exit the loop.
1997 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1999 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2001 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2003 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2005 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2007 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2009 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2011 * flow.c (find_basic_blocks): Correctly determine when a call
2012 is within an exception region.
2014 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2016 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2018 * cpplib.h: Protect from multiple inclusions.
2019 * cpplib.c: Fix minor formatting problems.
2021 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2023 * jump.c (jump_optimize): Revert accidental patch.
2025 * Makefile.in (cpplib.o): Use unlibsubdir.
2027 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2029 * loop.c (get_condition): Allow combine when either compare is
2032 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2034 * version.c: Bump for snapshot.
2036 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2038 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2039 (init_lex): Initialize ridpointers[RID_BYREF].
2040 * c-lex.h (enum rid): Add RID_BYREF.
2041 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2042 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2043 (encode_type_qualifiers): Similarly
2044 * c-gperf.h: Rebuilt.
2046 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2048 * c-common.c (type_for_mode): Only return TItype nodes when
2049 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2050 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2051 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2052 (init_decl_processing): Only create TItype nodes when
2053 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2054 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2055 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2057 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2059 * stmt.c (n_occurrences): New static function.
2060 (expand_asm_operands): Verify that all constrains match in the
2061 number of alternatives.
2062 Verify that '+' or '=' are at the beginning of an output constraint.
2063 Don't allow '&' for input operands.
2064 Verify that '%' isn't written for the last operand.
2065 * reload.c (find_reloads): Abort if an asm is found with invalid
2066 constraints; all possible problems ought to be checked for earlier.
2068 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2070 * flags.h (flag_branch_on_count_reg): Always declare
2071 * toplev.c (flag_branch_on_count_reg): Likewise.
2072 * toplev.c: Fix typos.
2074 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2077 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2079 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2081 (find_basic_blocks_1): Add a nop to the end of a basic block when
2082 a trailing call insn does not have abnormal control flow.
2083 * gcse.c (pre_transpout): New variable.
2084 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2085 (compute_pre_transpout): Calculate it.
2086 (compute_pre_ppinout): Use it to eliminate impossible placements
2087 due to abnormal control flow through calls.
2088 (compute_pre_data): Call compute_pre_transpout.
2090 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2092 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2094 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2096 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2097 and matching define_insns): Tack on a `use' of the table label, so
2098 flow analysis will recognize a tablejump.
2100 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2102 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2103 always end basic blocks for abnormal edge reasons.
2105 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2107 * config/i386/i386.h: Remove definition of
2108 HANDLE_PRAGMA_PACK_PUSH_POP.
2110 * config/i386/go32.h: Add definition of
2111 HANDLE_PRAGMA_PACK_PUSH_POP.
2113 * config/i386/win32.h: Add definition of
2114 HANDLE_PRAGMA_PACK_PUSH_POP.
2116 * config/i386/cygwin32.h: Add definition of
2117 HANDLE_PRAGMA_PACK_PUSH_POP.
2119 * c-pragma.c (insert_pack_attributes): Do not insert
2120 attributes unless #pragma pack(push,<n>) is in effect.
2122 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2124 * expr.c (emit_group_store): Handle a PARALLEL destination.
2126 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2128 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2129 the new insns before the argument regs are loaded.
2131 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2133 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2134 (c-parse.gperf): Update comments describing invocation flags.
2135 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2137 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2139 * reload1.c (reload): Call free before clobbering the memory
2140 locations or constants pointers.
2142 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2144 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2145 for efficiency by checking whether we need to modify the current
2146 stack permission at all.
2147 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2148 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2149 __enable_execute_stack libcall here too if
2150 TRANSFER_FROM_TRAMPOLINE is defined.
2151 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2154 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2156 * Makefile.in (DRIVER_DEFINES): Remove last change.
2158 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2160 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2161 insns we're going to copy.
2162 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2164 * loop.c (count_one_set): Add prototype.
2166 * caller-save.c (restore_referenced_regs): Lose mode argument.
2167 (insert_save): Lose mode argument.
2168 (insert_restore): Lose mode argument.
2169 (insert_one_insn): Lose mode argument.
2170 (save_call_clobbered_regs): Lose mode argument.
2171 (setup_save_areas): Take no argument and return void. All callers
2173 Don't verify validity of memory addresses.
2174 * reload.h (setup_save_ares): Adjust prototype.
2175 (save_call_clobbered_regs): Likewise.
2176 * reload1.c (delete_caller_save_insns): New function.
2177 (caller_save_spill_class): Delete variable.
2178 (caller_save_group_size): Delete variable.
2179 (reload): Call setup_save_areas and save_call_clobbered_regs
2180 in the main loop, before calling calculate_needs_all_insns.
2181 Don't call save_call_clobbered_regs after the loop.
2182 Call delete_caller_save_insns at the end of an iteration if
2184 Delete code to manage caller_save_spill_class.
2185 Emit the final note before setting reload_first_uid.
2186 Simplify test that determines whether reload_as_needed gets run.
2187 (calculate_needs): Delete code to manage caller_save_spill_class.
2189 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2191 * collect2.c (main): Initialize ld_file_name.
2193 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2195 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2196 check for flag_function_sections.
2198 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2200 * cse.c (insert_regs): Fix bug in Sep 24 change.
2202 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2204 * flags.h (flag_dump_unnumbered): Declare.
2205 * toplev.c (flag_dump_unnumbered): Don't declare.
2206 * print-rtl.c (flags.h): Include.
2207 (print_rtl_single): Add return value.
2208 * rtl.h (print_rtl_single): Update declaration.
2209 * flow.c (flag_dump_unnumbered): Don't declare.
2210 (print_rtl_with_bb): Use return value of print_rtl_single.
2212 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2214 * loop.c (count_one_set): New static function, broken out of
2216 (count_loop_regs_set): Call it.
2217 * global.c (mark_reg_store): Handle clobbers here by not calling
2219 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2220 is in fact a clobber.
2221 * integrate.c (process_reg_param): New function, broken out of
2222 expand_inline_function.
2223 (expand_inline_function): Call it.
2226 * i386.md (addsidi3_1): Delete unused variable temp.
2227 (addsidi3_2): Likewise.
2228 (clstrstrsi): Delete unused variable addr1.
2230 * rtl.h: Don't declare any functions also declared in recog.h.
2232 * Makefile.in (stupid.o): Update dependencies.
2233 (global.o): Likewise.
2235 * global.c: Include reload.h
2236 (reg_becomes_live): New function.
2237 (reg_dies): New function.
2238 (build_insn_chain): New function.
2239 (global_alloc): Call build_insn_chain before calling reload.
2241 * reload.h (struct needs): New structure definition.
2242 (struct insn_chain): Likewise.
2243 (reload_insn_chain): Declare variable.
2244 (new_insn_chain): Declare function.
2247 * reload1.c (reload_startobj): New variable.
2248 (reload_insn_chain): New variable.
2249 (unused_insn_chains): New variable.
2250 (new_insn_chain): New function.
2251 (init_reload): Initialize reload_startobj, not reload_firstobj.
2252 (reload): Initialize reload_firstobj.
2253 Before returning, free everything on the reload_obstack.
2255 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2256 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2257 current_chain): New variables.
2258 (reg_where_born): Delete variable.
2259 (REG_WHERE_BORN): New macro.
2260 (find_clobbered_regs): New function.
2261 (stupid_life_analysis): Don't allocate/free reg_where_born.
2262 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2263 reg_where_dead_chain.
2264 Use REG_WHERE_BORN instead of reg_where_born.
2265 While processing the insns, build the reload_insn_chain with
2266 information about register lifetimes.
2267 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2268 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2270 Compute and information about birth and death of pseudo registers in
2271 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2272 Delete code to set elements of reg_where_born.
2274 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2276 * tree.def (GOTO_EXPR): Modified documentation.
2277 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2280 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2282 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2283 loop_final_value, loop_comparison_code): No longer static.
2284 (unroll_loop): Delete loop_start_value update.
2285 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2286 loop_final_value, loop_comparison_code): Extern.
2287 (loop_start_value): Delete extern.
2288 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2289 loop_comparison_value, loop_comparison_code): Delete.
2290 (loop_optimize): Remove initialization for deleted variables.
2291 (strength_reduce): Delete analyze_loop_iterations call. Only call
2292 insert_bct if flag_branch_count_on_reg set.
2293 (analyze_loop_iterations): Delete.
2294 (insert_bct): Remove iteration count calculation. Move checks for
2295 viable BCT optimization to here. Obtain iteration count from
2296 loop_iterations and correct for unrolling. Check for enough
2297 iteration to be beneficial. Comment out runtime iteration count
2299 (insert_bct): Print iteration count in dump file. Remove
2300 loop_var_mode and use word_mode directly.
2302 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2303 * rs6000.c (rs6000_override_options): Use it.
2304 (optimization_options): Enable use of flag_branch_on_count_reg.
2305 * rs6000.md (define_function_unit): Describe 604e.
2307 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2309 * loop.c (move_movables): Corrected threshold calculation for
2310 moved_once registers.
2312 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2314 * loop.c (combine_givs_p): Fix test for identical givs.
2316 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2318 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2319 call abort if the function is already defined.
2321 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2323 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2324 truncation is not a no-op.
2326 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2328 * version.c: Bump for snapshot.
2330 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2332 * version.c: Bump for snapshot.
2334 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2336 * expmed.c (expand_divmod): Don't widen for computing remainder
2337 if we seem to have a divmod pattern for needed mode.
2339 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2341 * cpplib.c (macroexpand): Correct off-by-one error in handling
2344 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2346 * combine.c (expand_field_assignment): Don't do bitwise operations
2347 on MODE_FLOAT; pun to MODE_INT if possible.
2349 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2350 scott snyder <snyder@d0sgif.fnal.gov>
2352 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2353 linker. Recognize mangled names in quotes.
2355 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2357 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2358 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2359 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2360 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2362 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2364 * function.c (purge_addressof_1): If trying to take a sub-word
2365 integral piece of a floating point mode, put it on the stack.
2367 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2369 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2371 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2373 * PROJECTS: Remove template friends.
2375 * collect2.c (sort_ids): Remove unused variable.
2377 * tm.texi (MATH_LIBRARY): Document.
2378 (NEED_MATH_LIBRARY): Remove.
2380 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2381 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2383 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2385 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2386 last_end to 0x7fffffff.
2388 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2390 * function.c (purge_addressof_1): Do not perform endianness
2391 corrections on bitpos, who we call will do it for us.
2393 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2395 * h8300.c (WORD_REG_USED): Fix typo.
2396 (initial_offset): Use WORD_REG_USED.
2398 * h8300.c (handle_pragma): Fix typo.
2400 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2402 * caller-save.c (insert_save_restore): Break this function up
2403 into new functions insert_restore, insert_save and insert_one_insn.
2404 All callers changed.
2405 (insert_restore): New function, mostly broken out of
2406 insert_save_restore.
2407 (insert_save): Likewise.
2408 (insert_one_insn): Likewise.
2409 (restore_referenced_regs): New argument BLOCK. All callers changed.
2410 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2411 in this function, do it in insert_one_insn instead.
2413 * reload1.c (reload): Break out some more pieces into separate
2415 (dump_needs): New function, broken out of reload.
2416 (set_initial_elim_offsets): Likewise.
2417 (init_elim_table): Likewise.
2418 (update_eliminables): Likewise.
2420 * global.c (global_alloc): Delete code to manage the scratch_list.
2421 * local-alloc.c (qty_scratch_rtx): Delete.
2422 (scratch_block): Delete.
2423 (scratch_list): Delete.
2424 (scratch_list_length): Delete.
2425 (scratch_index): Delete.
2426 (alloc_qty_for_scratch): Delete.
2427 (local-alloc): Update initialization of max_qty.
2428 Delete code to manage the scratch list.
2429 Delete code to allocate/initialize qty_scratch_rtx.
2430 (block_alloc): Don't allocate quantities for scratches.
2431 Delete code to manage the scratch list.
2432 * regs.h (scratch_list): Delete declaration.
2433 (scratch_block): Delete declaration.
2434 (scratch_list_length): Delete declaration.
2435 * reload1.c (reload): Delete code to manage the scratch list.
2436 (spill_hard_reg): Likewise.
2437 (mark_scratch_live): Delete.
2439 * recog.c (alter_subreg): Delete declaration.
2441 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2443 * Makefile.in (cccp.o): Fix typo in last patch.
2445 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2447 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2448 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2450 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2452 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2453 NULL_RTX as an argument.
2455 * Makefile.in (unlibsubdir): Define.
2456 (DRIVER_DEFINES): Use unlibsubdir.
2457 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2458 (stmp-fixinc): Similarly.
2460 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2462 * regmove.c (regmove_optimize): Add variable old_max_uid.
2463 At the end of the function, update basic_block_end.
2465 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2467 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2468 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2471 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2473 * config/arm/arm.c: Improve interworking support.
2475 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2477 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2478 copied from reload_out[r] .
2480 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2482 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2483 with more than three size ranges.
2485 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2487 * rtl.c (mode_name): Add a null string at the end of the array.
2488 (mode_wider_mode): Change type to unsigned char.
2489 (mode_mask_array): New variable.
2490 (init_rtl): Update for mode_wider_mode type change.
2492 * rtl.h (mode_wider_mode): Change type to unsigned char.
2493 (mode_mask_array): Declare.
2494 (GET_MODE_MASK): Use mode_mask_array.
2496 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2498 * calls.c (expand_call) : Encapsulate code into
2499 copy_blkmode_from_reg.
2500 * expr.c (copy_blkmode_from_reg): New function.
2501 * expr.h (copy_blkmode_from_reg): New function.
2502 * integrate.c (function_cannot_inline_p): We can inline
2504 (expand_inline_function): Use copy_blkmode_from_reg
2505 if needed. Avoid creating BLKmode REGs.
2506 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2509 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2511 * config/v850/v850.c: Add function prototypes.
2512 Add support for v850 special data areas.
2514 * config/v850/v850.h: Add support for v850 special data areas.
2516 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2517 HANDLE_PRAGMA_PACK_PUSH_POP.
2518 (push_alignment): New function: Cache an alignment requested
2519 by a #pragma pack(push,<n>).
2520 (pop_alignment): New function: Pop an alignment from the
2522 (insert_pack_attributes): New function: Generate __packed__
2523 and __aligned__ attributes for new decls whilst a #pragma pack
2525 (add_weak): New function: Cache a #pragma weak directive.
2526 (handle_pragma_token): Document calling conventions. Add
2527 support for #pragma pack(push,<n>) and #pragma pack (pop).
2529 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2530 are defined enable HANDLE_PRAGMA_PACK.
2531 Move 'struct weak_syms' here (from varasm.c).
2532 Add pragma states for push and pop pragmas.
2534 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2537 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2538 HANDLE_GENERIC_PRAGMAS.
2540 * varasm.c: Move definition of 'struct weak_syms' into
2542 (handle_pragma_weak): Deleted.
2544 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2546 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2548 * c-decl.c (start_function): Add invocation of
2549 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2551 * tm.texi: Remove description of non-existant macro
2552 SET_DEFAULT_SECTION_NAME.
2554 (HANDLE_SYSV_PRAGMA): Document.
2555 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2557 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2559 * config.sub: Recognize i[34567]86-pc-udk as new target.
2560 * configure.in: Likewise.
2561 * config/i386/t-udk: New file.
2562 * config/i386/udk.h: New file.
2564 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2566 * reorg.c (check_annul_list_true_false): Remove unused variables.
2567 (steal_delay_list_from_target): Add missing "used_annul" variable.
2568 (try_merge_delay_insns): Close out half formed comment.
2570 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2572 * cpplib.c (macroexpand): If arg->raw_before or
2573 arg->raw_after, remove any no-reexpansion escape at the
2574 beginning of the pasted token. Correct handling of whitespace
2575 markers and no-reexpand markers at the end if arg->raw_after.
2577 * toplev.c (documented_lang_options): Recognize -include,
2578 -imacros, -iwithprefix, -iwithprefixbefore.
2579 * cpplib.c (cpp_start_read): Process -imacros and -include
2580 switches at the same time and in command-line order, after
2581 initializing the dependency-output code. Emit properly nested
2582 #line directives for them. Emit a #line for the main file
2583 before processing these switches, and don't do it again
2586 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2588 * function.c (purge_addressof_1): Use bitfield manipulation
2589 routines to handle mem mode < reg mode.
2591 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2593 * reorg.c (try_merge_delay_insns): Account for resources referenced
2594 in each instruction in INSN's delay list before trying to eliminate
2595 useless instructions. Similarly when looking at a trial insn's delay
2598 * reorg.c (check_annul_list_true_false): New function.
2599 (steal_delay_list_from_{target,fallthrough}): Call it and also
2600 refine tests for when we may annul if already filled a slot.
2601 (fill_slots_from_thread): Likewise.
2602 (delete_from_delay_slot): Return newly-created thread.
2603 (try_merge_delay_isns): Use its new return value.
2605 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2607 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2608 used to compute a giv or as some other non-counting use.
2610 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2612 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2613 * local-alloc.c (find_free_reg): Use it.
2614 * global.c (find_reg): Likewise.
2615 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2617 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2618 * caller-save.c (init_caller_save): Use it.
2619 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2621 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2623 * configure.in: Add --enable-cpplib option which uses cpplib
2624 for cpp, but doesn't link cpplib into cc1. Make help text
2625 capitalization consistent.
2626 * configure: Rebuilt.
2628 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2630 * function.c (gen_mem_addressof): If the address REG is
2631 REG_USERVAR_P make the new REG be so also.
2632 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2633 in an attempt to clarify slightly.
2635 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2637 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2638 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2640 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2642 * toplev.c: Fix last patch.
2644 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2646 * loop.c (get_condition): Fix typo in May 9 change.
2648 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2650 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2652 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2654 * toplev.c (documented_lang_options): Spelling corrections.
2656 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2658 * configure.in: new flags --with-ld and --with-as, equivalent
2659 to setting LD and AS environment variables. Test whether
2660 specified arguments are GNU commands, and report them with
2661 checking messages. Use the specified AS for configure
2664 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2666 * gcc.c (find_a_file): when looking for `as' and `ld', return
2667 the DEFAULT program if it exists
2668 * collect2.c (main): use DEFAULT_LINKER if it exists
2670 * gcc.c (find_a_file): the test for existence of a full
2671 pathname was reversed
2673 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2675 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2676 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2678 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2680 * tree.h (TYPE_BINFO): Document.
2682 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2684 * i386-coff.h (dbxcoff.h): Added.
2686 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2688 * toplev.c: fix bad patch around flag_data_sections.
2690 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2692 * reload1.c (reload): Use reload_address_index_reg_class and
2693 reload_address_base_reg_class when setting
2694 caller_save_spill_class. (Patch generated by Jim Wilson:
2697 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2699 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2700 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2701 * expr.c (store_field): Add alias_set parameter. Set the
2702 MEM_ALIAS_SET accordingly, if the target is a MEM.
2703 (expand_assignment): Use it.
2704 (store_constructor_field): Pass 0.
2705 (expand_expr): Likewise.
2707 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2709 * flags.h: Add flag_data_sections.
2710 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2711 (compile_file): Error if flag_data_sections not supported.
2712 * varasm.c (assemble_variable): Handle flag_data_sections.
2713 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2714 * config/mips/elf.h: Likewise.
2715 * config/mips/elf64.h: Likewise.
2716 * invoke.texi: Describe -fdata-sections.
2718 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2720 * invoke.texi (-ffloat-store): Clarify that this option
2721 does not affect intermediate results -- only variables.
2723 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2725 * cpp.texi: Update for Fortran usage from Craig.
2727 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2729 * rs6000.c (function_arg_boundary): Revert accidental change on
2732 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2734 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2735 (output_mi_thunk): Declare.
2737 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2738 (output_function_profiler): Use r12 for temp, instead of r11 so
2739 that we preserve the static chain register.
2741 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2743 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2745 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2747 * sh.c (gen_shl_sext): Fix case 5.
2749 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2751 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2753 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2755 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2756 accessing variables until they are initialized via va_arg().
2758 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2760 * reload1.c (reload_combine): Initialize set before using.
2762 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2764 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2767 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2769 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2770 operand3 with mask before using it. Patch provided by Jim Wilson.
2772 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2774 * config/sparc/sparc.c (function_value): Perform the equivalent of
2775 PROMOTE_MODE for ARCH64.
2776 (eligible_for_epilogue_delay): Allow DImode operations in delay
2777 slot of a return for ARCH64.
2779 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2781 * sh.md (sqrtsf2): Fix mode of sqrt.
2783 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2785 * reload1.c (choose_reload_regs): Also try inheritance when
2786 reload_in is a stack slot of a pseudo, even if we already got a
2789 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2791 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2792 (reload_cse_regs): New function body: call reload_cse_regs_1,
2793 reload_combine, reload_cse_move2add.
2794 When doing expensive_optimizations, call reload_cse_regs_1 a
2795 second time after reload_cse_move2add.
2796 (reload_combine, reload_combine_note_store): New functions.
2797 (reload_combine_note_use): New function.
2798 (reload_cse_move2add, move2add_note_store): New functions.
2800 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2802 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2803 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2805 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2806 more than 3 such reloads.
2808 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2809 RELOAD_FOR_X_ADDR_ADDR reload.
2811 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2813 * expr.c (store_constructor): When initializing a field that is smaller
2814 than a word, at the start of a word, try to widen it to a full word.
2816 * cse.c (cse_insn): When we are about to change a register,
2817 remove any invalid references to it.
2819 (remove_invalid_subreg_refs): New function.
2820 (mention_regs): Special treatment for SUBREGs.
2821 (insert_regs): Don't strip SUBREG for call to mention_regs.
2822 Check if reg_tick needs to be bumped up before that call.
2823 (lookup_as_function): Try to match known word_mode constants when
2824 looking for a norrower constant.
2825 (canon_hash): Special treatment for SUBREGs.
2827 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2829 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2830 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2831 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2832 and offsets in actual stack trampoline code so they match the
2833 commentary and actually work.
2835 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2837 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2839 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2840 tmake_file. Set extra_parts to needed crt objects.
2841 * configure: Rebuilt.
2842 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2843 (TARGET_DEFAULT): Set if default is v9 or ultra.
2844 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2845 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2846 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2847 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2848 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2849 (TARGET_VERSION): Define.
2850 (MULTILIB_DEFAULT): Define.
2851 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2852 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2853 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2855 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2856 * config/sparc/sparc.c (sparc_override_options): If arch and
2857 pointer size disagree, emit diagnostic and fix it up. If
2858 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2859 V8PLUS in 64-bit mode.
2860 * config/sparc/t-linux64: New file.
2861 * config/sparc/t-sol2-64: New file.
2862 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2863 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2864 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2865 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2866 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2867 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2869 (STARTFILE_SPEC): Set approriately based upon those.
2870 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2871 disposition of DEFAULT_ARCH32_P.
2872 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2873 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2874 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2875 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2876 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2878 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2880 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2882 * rtl.h (init_virtual_regs): New function.
2883 * emit-rtl.c (init_virtual_regs): Define.
2884 (insn_emit): Use it.
2885 * integrate.c (save_for_inline_copying): Likewise.
2887 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2889 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2890 (enum reg_class): Add NONARG_LO_REGS support.
2891 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2892 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2893 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2894 completes. Re-enable HImode REG+OFFSET addresses.
2895 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2897 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2899 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2901 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2902 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2903 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2905 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2907 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2908 jumps as a single entity, taking into account the size of the
2911 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2913 * tree.def (SWITCH_EXPR): New tree node definition.
2915 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2917 * version.c: Bump for snapshot.
2919 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2921 * version.c: Bump for snapshot.
2923 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2925 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2928 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2930 * Revert this patch.
2931 * reload.c (find_reloads): Do not replace a pseudo with
2932 (MEM (reg_equiv_addr)) in the initializing insn for the
2935 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2937 * final.c (final_scan_insn): Disable tracking CC across branches.
2939 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2941 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2942 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2943 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2944 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2945 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2947 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2949 * toplev.c (rest_of_compilation): Skip compiling anything with
2950 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2952 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2954 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2955 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2956 use in_libcall_block.
2957 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2958 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2961 Mon Sep 21 14:02:23 1998
2963 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2964 typo in no-fancy-math-387 description.
2966 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2968 * version.c: Bump for snapshot.
2970 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2972 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2974 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2976 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2977 documented in install.texi.
2978 (TARGET_OPTIONS) Likewise.
2980 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2982 * version.c: Bump for snapshot.
2984 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2986 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2987 * cccp.c (main): Likewise.
2989 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2990 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2993 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2995 * Makefile.in (LIBS): Link in libiberty.a.
2996 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2998 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3000 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3001 it to update bb boundaries. Update caller.
3002 * function.c (reposition_prologue_and_epilogue_notes): Update
3003 bb boundaries wrt the moved note.
3005 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3007 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3009 * configure: Regenerate.
3011 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3013 * alpha.c (alpha_sr_alias_set): New variable.
3014 (override_options): Set it.
3015 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3016 (mode_mask_operand): Fix signed-unsigned comparision warning.
3017 (alpha_expand_block_move): Likewise.
3018 (print_operand): Likewise.
3019 (get_aligned_mem): Use change_address.
3020 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3021 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3022 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3023 (alpha_align_insns): Remade from old alphaev5_align_insns
3024 to handle multiple processors.
3025 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3026 * output.h (label_to_alignment): Prototype.
3028 * tree.c (new_alias_set): New function.
3029 * tree.h (new_alias_set): Declare it.
3030 * c-common.c (c_get_alias_set): Use it.
3032 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3034 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3035 to an ABS expr, convert an unsigned input to signed.
3037 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3039 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3041 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3043 * configure.in: Add support for c4x targets.
3044 * configure: Rebuilt.
3046 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3048 * combine.c (distribute_notes): If an insn is a cc0 user, only
3049 delete it if we can also delete the cc0 setter.
3051 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3053 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3054 (invert_truthvalue): Enable truthvalue inversion for
3055 floating-point operands if -ffast-math.
3057 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3059 * configure.in: Disable collect2 for nextstep. Instead use
3061 * configure: Rebuilt.
3062 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3063 (ENDFILE_SPEC): Define.
3064 (OBJECT_FORMAT_MACHO): Define.
3065 (EH_FRAME_SECTION_ASM_OP): Define.
3066 * crtstuff.c: Handle MACHO.
3068 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3070 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3072 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3074 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3075 (_fpadd_parts): Get sign right for 0.
3077 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3079 * ginclude/varargs.h: Add support for C4x target.
3080 * ginclude/stdargs.h: Likewise.
3082 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3084 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3085 (alpha_emit_set_long_const): Rewrite to be callable from reload
3087 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3088 * alpha.md (movdi): Likewise.
3090 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3092 * arm.c (add_constant): New parameter address_only, change caller.
3093 Set it non-zero if taking the address of an item in the pool.
3094 (arm_reorg): Handle cases where we need the address of an item in
3097 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3099 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3100 memory addresses that are not in standard canonical form.
3102 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3104 * README.C4X: New file with information about the c4x ports.
3105 * ginclude/va-c4x.h: New file for c4x varargs support.
3106 * config/c4x: New directory with c4x port files.
3108 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3110 * reload.c (find_reloads): Do not replace a pseudo with
3111 (MEM (reg_equiv_addr)) in the initializing insn for the
3114 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3116 * toplev.c (rest_of_compilation): Set bct_p on second call to
3118 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3120 (strength_reduce): Only call analyze_loop_iterations and
3121 insert_bct if bct_p set.
3122 (check_dbra_loop): Fix typo.
3123 (insert_bct): Use word_mode instead of SImode.
3124 (instrument_loop_bct): Likewise. Do not delete iteration count
3125 condition code generation insn. Initialize iteration count before
3127 * rtl.h (loop_optimize): Update prototype.
3129 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3130 not doubleword aligned.
3132 * rs6000.c (optimization_options): New function.
3133 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3134 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3135 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3136 first; cr1 can be used for FP record condition insns.
3138 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3140 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3143 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3146 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3148 (block_move_call): New function: Call a library routine to copy a
3150 (m32r_expand_block_move): New function: Expand a "movstrsi"
3151 pattern into a sequence of insns.
3152 (m32r_output_block_move): New function: Expand a
3153 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3154 (m32r_block_immediate_operand): New function: Return true if the
3155 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3157 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3159 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3161 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3163 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3165 * regmove.c (copy_src_to_dest): Check that modes match.
3167 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3169 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3171 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3173 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3174 narrower than FLOAT_REGS.
3176 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3178 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3180 * Makefile.in (old_gxx_include_dir): removed
3182 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3184 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3187 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3188 (sh_handle_pragma): Change function arguments to match new
3189 specification for HANDLE_PRAGMA.
3191 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3193 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3195 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3196 When generating output, initialize missing struct member to zero.
3198 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3200 * regmove.c (copy_src_to_dest): Don't copy if that requires
3201 (a) new register(s).
3203 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3205 * global.c (reg_allocno): Now static.
3206 * reload1.c (reg_allocno): Delete declaration.
3207 (order_regs_for_reload): Take no arguments. Don't treat regs
3208 allocated by global differently than those allocated by local-alloc.
3210 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3212 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3213 condition, fix format strings.
3214 (output_function_epilogue): Likewise.
3216 * m68k/m68k.c: Don't include <stdlib.h> directly.
3218 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3220 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3221 mem_first_set, mem_last_set; because 0 can be a CUID.
3222 (oprs_unchanged_p): Use new definition.
3223 (record_last_reg_set_info): Likewise.
3224 (record_last_mem_set_info): Likewise.
3225 (compute_hash_table): Likewise.
3227 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3229 * rs6000.c (output_epilogue): Handle Chill.
3231 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3232 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3234 * combine.c (make_extraction): If no mode is specified for
3235 an operand of insv, extv, or extzv, default it to word_mode.
3236 (simplify_comparison): Similarly.
3237 * expmed.c (store_bit_field): Similarly.
3238 (extract_bit_field): Similarly.
3239 * function.c (fixup_var_regs_1): Similarly.
3240 * recog.c (validate_replace_rtx_1): Similarly.
3241 * mips.md (extv, extzv, insv expanders): Default modes for most
3242 operands. Handle TARGET_64BIT.
3243 (movdi_uld, movdi_usd): New patterns.
3245 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3246 equivalent memory location unless we have been provided a scratch
3247 register. Similarly do not call find_replacement unless a
3248 scratch register has been provided.
3250 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3252 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3255 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3257 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3258 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3259 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3260 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3261 * c-decl.c (init_decl_processing): Update accordingly.
3262 * expr.c (expand_builtin): Likewise.
3264 * rtl.h (global_rtl): Add cfa entry.
3265 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3266 (LAST_VIRTUAL_REGISTER): Update.
3267 * emit-rtl.c (global_rtl): Add cfa entry.
3268 (init_emit): Initialize it.
3269 * function.c (cfa_offset): New.
3270 (instantiate_virtual_regs): Initialize it.
3271 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3272 (expand_function_end): Call expand_eh_return.
3273 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3275 * except.c (current_function_eh_stub_label): Kill.
3276 (current_function_eh_old_stub_label): Likwise; update all references.
3277 (expand_builtin_set_return_addr_reg): Kill.
3278 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3279 (expand_builtin_set_eh_regs): Kill.
3280 (eh_regs): Produce a third reg for the actual handler address.
3281 (eh_return_context, eh_return_stack_adjust): New.
3282 (eh_return_handler, eh_return_stub_label): New.
3283 (init_eh_for_function): Initialize them.
3284 (expand_builtin_eh_return, expand_eh_return): New.
3285 * except.h: Update prototypes.
3286 * flow.c (find_basic_blocks_1): Update references to the stub label.
3287 * function.h (struct function): Kill stub label elements.
3289 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3290 register number is one that would be in the previous window.
3291 Provide a dummy definition for non-windowed targets.
3292 (get_reg_addr): New function.
3293 (get_reg, put_reg, copy_reg): Use it.
3294 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3295 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3297 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3298 (alpha_init_expanders): Initialize it.
3299 (alpha_expand_epilogue): Use it.
3300 * alpha.h: Declare it.
3301 * alpha.md (eh_epilogue): New.
3303 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3304 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3306 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3308 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3311 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3313 * except.h (struct eh_entry): Add false_label field.
3314 (end_catch_handler): Add prototype.
3315 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3316 (start_catch_handler): When using old style exceptions, issue
3317 runtime typematch code before continuing with the handler.
3318 (end_catch_handler): New function, generates label after handler
3319 if needed by older style exceptions.
3320 (expand_start_all_catch): No need to check for new style exceptions.
3321 (output_exception_table_entry): Only output the first handler label
3322 for old style exceptions.
3323 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3324 mechanism into one function, if a runtime matcher is provided.
3326 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3328 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3330 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3332 * integrate.c (copy_decl_list): Fix typo.
3334 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3336 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3339 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3341 * version.c: Bump for snapshot.
3343 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3345 * version.c: Bump for snapshot.
3347 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3349 * version.c: Bump for snapshot.
3351 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3353 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3355 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3357 * configure.in: remove usage of `!' to negate the result of a
3358 command; some common shells do not support it
3360 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3362 * configure.in: in sparc9-sol2 config, use 'if test' not
3364 * configure: Rebuilt.
3366 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3368 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3369 (CPP_CPU_DEFAULT_SPEC): Likewise.
3370 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3371 for arch64 libfuncs.
3373 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3376 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3378 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3380 * collect2.c: Don't declare `sys_siglist' here.
3381 (my_strsignal): Prototype and define new function. Use it in
3382 place of `sys_siglist' hacks.
3384 * mips_tfile.c: Likewise.
3386 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3387 (GCC_NEED_DECLARATIONS): Likewise.
3389 * system.h (strsignal): Prototype it, if necessary.
3390 (sys_siglist): Declare it, if necessary.
3392 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3394 * loop.c (move_movables): While removing insn sequences, preserve
3395 the next pointer of the most recently deleted insn when we skip
3398 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3400 * objc/config-lang.in: Do not output the name of the selected
3401 thread file when building the front-end. The Makefile for the
3402 runtime library will do this.
3404 * objc/Make-lang.in: Do not build the runtime library or install
3405 the Objective C header files. The Makefile for the runtime
3406 library will do this.
3408 * objc/Makefile.in (all.indirect): Only build the front-end.
3409 (compiler): Rename to `frontend'.
3410 (obj-runtime): Remove target.
3411 (copy-headers): Likewise.
3412 (clean): No need to remove `libobjc.a' any longer.
3414 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3416 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3417 supported with -mcpu=xxx.
3419 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3421 * flow.c (mark_set_1): Recognize multi-register structure return
3422 values in CALL insns.
3423 (mark_used_regs): Likewise.
3424 (count_reg_sets_1): Likewise.
3425 (count_reg_references): Likewise.
3426 * rtlanal.c (note_stores): Likewise.
3427 (reg_overlap_mentioned_p): Likewise.
3428 * haifa-sched.c (check_live_1): Likewise.
3429 (update_live_1): Likewise.
3430 (sched_analyze_1): Likewise.
3431 (sched_note_set): Likewise.
3432 (birthing_insn_p): Likewise.
3433 (attach_deaths): Likewise.
3435 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3438 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3440 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3442 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3444 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3446 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3448 * configure.in: Add check for GAS subsection -1 support.
3449 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3450 * configure config.in: Rebuilt.
3451 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3452 SImode is subsection -1 works, else use DImode.
3453 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3454 subsection -1 works.
3455 * config/sparc/sparc.c (sparc_output_addr_vec,
3456 sparc_output_addr_diff_vec): Use them if defined.
3458 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3460 * tree.h (DECL_ORIGIN): New macro.
3461 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3462 (copy_decl_list): Use it.
3463 (integrate_parm_decls): Likewise.
3464 (integrate_decl_tree): Likewise.
3465 * dwarf2out.c (decl_ultimate_origin): Simplify.
3466 * dwarfout.c (decl_ultimate_origin): Likewise.
3467 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3468 (pushdecl): Likewise.
3470 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3472 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3474 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3476 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3478 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3480 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3481 empty or has a single entry.
3483 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3484 before calling reg_to_stack.
3486 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3488 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3489 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3491 * c-tree.h (warn_long_long): Declare it.
3493 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3495 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3496 initialized float-int union if the value is a NaN.
3498 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3500 * c-lex.c (real_yylex): Don't warn about long long constants if
3501 we're allowing long long
3503 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3505 * except.h (current_function_eh_stub_label): Declare.
3506 (current_function_eh_old_stub_label): Declare.
3507 * function.h (struct function): New members eh_stub_label and
3509 * except.c (current_function_eh_stub_label): New variable.
3510 (current_function_eh_old_stub_label): New variable.
3511 (init_eh_for_function): Clear them.
3512 (save_eh_status): Save them.
3513 (restore_eh_status): Restore them.
3514 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3515 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3516 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3517 make an edge from the block that contains it to the block starting
3518 with the label if this label is one of the eh stub labels.
3519 If eh stub labels exist, show they are reachable from the last block
3522 * reload1.c (reload): Break out several subroutines and make some
3524 (calculate_needs_all_insns): New function, broken out of reload.
3525 (calculate_needs): Likewise.
3526 (find_reload_regs): Likewise.
3527 (find_group): Likewise.
3528 (find_tworeg_group): Likewise.
3529 (something_needs_reloads): New global variable, formerly in reload.
3530 (something_needs_elimination): Likewise.
3531 (caller_save_spill_class): Likewise.
3532 (caller_save_group_size): Likewise.
3533 (max_needs): Likewise.
3534 (group_size): Likewise.
3535 (max_groups): Likewise.
3536 (max_nongroups): Likewise.
3537 (group_mode): Likewise.
3538 (max_needs_insn): Likewise.
3539 (max_groups_insn): Likewise.
3540 (max_nongroups_insn): Likewise.
3541 (failure): Likewise.
3543 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3545 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3547 * loop.c (load_mems): Copy rtx for output mem.
3549 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3551 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3552 mips1 or mips2 either.
3554 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3556 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3558 (pa_adjust_insn_length): Update to work with new marking scheme
3559 for jumps inside switch tables.
3560 * pa.md (switch_jump): Remove pattern.
3561 (jump): Handle jumps inside jump tables.
3563 * Makefile.in (profile.o): Depend on insn-config.h
3565 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3567 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3569 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3571 Add preliminary native sparcv9 Solaris support.
3572 * configure.in: Recognize sparv9-*-solaris2*
3573 * configure: rebuilt
3574 * config.sub: Recognize sparcv9 just like sparc64.
3575 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3576 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3577 32-bit and 64-bit Solaris systems.
3578 * config/sparc/t-sol2: Assemble those with cpp.
3579 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3580 (*TF*_LIBCALL): If ARCH64 use V9 names.
3581 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3583 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3585 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3586 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3588 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3590 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3591 to Pmode if CASE_VECTOR_MODE is something else.
3593 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3595 * prefix.c (update_path): Correctly handle cases where PATH is
3596 a substring of the builtin prefix, but specifies a different
3599 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3601 * expr.c: Corrected comment about what MOVE_RATIO does.
3602 * config/alpha/alpha.h: Ditto.
3603 * config/1750a/1750a.h: Ditto.
3604 * config/clipper/clipper.h: Ditto.
3605 * config/i386/i386.h: Ditto.
3607 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3609 * configure.in (m68k-next-nextstep3*): Use collect2.
3610 Similarly for x86 NeXT configurations.
3611 * configure: Rebuilt.
3613 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3615 * configure.in: Don't assume srcdir is .../gcc
3616 * configure: Rebuilt.
3618 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3620 * global.c: Update comments.
3621 (global_alloc): Assign allocation-numbers
3622 even for registers allocated by local_alloc in case
3623 they are later spilled and retry_global_alloc is called.
3624 (mark_reg_store, mark_reg_clobber,
3625 mark_reg_conflicts, mark_reg_death): Always record a
3626 conflict with a pseudo register even if it has been
3627 assigned to a hard register.
3628 (dump_conflicts): Don't list pseudo registers already assigned to
3629 a hard register as needing to be allocated, but do list their
3631 * local-alloc.c: Update comment.
3633 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3635 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3636 * configure: Rebuilt.
3638 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3640 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3642 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3643 for all targets that set -msoft-float.
3645 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3647 * toplev.c (print_switch_values): Make static to match prototype.
3649 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3651 * configure.in: If we are unable to find the "gnatbind" program,
3652 then do not configure the ada subdir.
3653 * configure: Rebuilt.
3655 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3657 * version.c: Bump for snapshot.
3659 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3661 * version.c: Bump for snapshot.
3663 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3665 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3666 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3668 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3670 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3672 * genextract.c: Have insn-extract.c include toplev.h.
3674 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3676 * toplev.c: Include expr.h.
3677 (really_sorry, fancy_abort): Remove prototypes.
3678 (set_target_switch): Add argument in prototype.
3679 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3680 (v_really_sorry): Likewise.
3681 (print_version, print_single_switch, print_switch_values): Make
3682 static and add prototype arguments.
3683 (decl_printable_name): Add prototype arguments.
3684 (lang_expand_expr_t): New typedef.
3685 (lang_expand_expr): Declare as a lang_expand_expr_t.
3686 (incomplete_decl_finalize_hook): Add prototype argument.
3687 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3688 (botch): Likewise for variable `s'.
3689 (rest_of_type_compilation): Mark variables `type' and `toplev'
3690 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3691 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3692 (display_help): Make variable `i' an `unsigned long'.
3693 (main): Remove unused parameter `envp'.
3694 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3695 Cast -1 when comparing it with a `size_t'.
3697 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3698 prototype with ATTRIBUTE_NORETURN.
3699 (fatal_insn_not_found, fatal_insn, really_sorry,
3700 push_float_handler, pop_float_handler): Add prototypes.
3701 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3702 (do_abort, botch): Add prototypes.
3704 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3706 * final.c (final): If a label is reached only from a single jump,
3707 call NOTICE_UPDATE_CC on the jump and its predecessor before
3708 emitting the insn after the label.
3710 * i386.h: Add AMD K6 support.
3711 Change TARGET_* macros to use table lookup.
3712 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3713 (ADJUST_COST): Change definition to call function in i386.c.
3714 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3715 * i386.c: Add AMD K6 support.
3716 Add constants for feature tests used by TARGET_* macros.
3717 (split_di): If before reload, call gen_lowpart and gen_highpart.
3718 (x86_adjust_cost): New function.
3719 (put_jump_code): New function.
3720 (print_operand): New codes 'D' and 'd'.
3721 * i386.md: New insn types. New insn attribute "memory".
3722 Redefine scheduling parameters to use new types and add AMD K6
3723 support. Explicitly set type of most insns.
3724 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3725 Pro and K6 prefer movl $1,reg to incl reg.
3726 (adddi3, subdi3): Set cc_status.
3727 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3728 to int; x86 can't have more than 2^31 DImode shifts per file.
3729 (setcc): Combine all setcc patterns. Allow writing memory.
3730 Combine all jump patterns using match_operator.
3731 (*bzero): Name pattern. Emit mutliple stos instructions when that
3732 is faster than rep stos.
3733 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3736 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3738 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3741 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3743 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3744 not whatever we're generating now.
3746 * alpha.c (set_frame_related_p, FRP): New.
3747 (alpha_expand_prologue): Mark frame related insns.
3748 (alpha_expand_epilogue): Likewise, but with a null FRP.
3749 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3750 * alpha.md (exception_receiver): New.
3751 * alpha/crtbegin.asm (.eh_frame): New beginning.
3752 (__do_frame_setup, __do_frame_takedown): New.
3753 * alpha/crtend.asm (.eh_frame): New ending.
3754 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3755 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3756 (ASM_FILE_START): Don't emit .file for dwarf2.
3758 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3759 * rtl.c (reg_note_name): Likewise.
3760 * rtl.texi (REG_NOTES): Likewise.
3761 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3764 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3766 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3767 * i386.md (movsf, movdf, movxf): Validate memory address returned
3768 from force_const_mem. Kill useless REG_EQUAL setting code.
3770 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3772 * m68k.md (zero_extendsidi2): Fix typo.
3774 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3776 * configure.in: Removed references to the removed file
3777 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3778 * arm*-*-netbsd* and ns32k-*-netbsd*.
3779 * config/i386/xm-netbsd.h: Removed unnecessary file.
3780 * config/m68k/xm-netbsd.h: Likewise.
3781 * config/sparc/xm-netbsd.h: Likewise.
3782 * config/mips/xm-netbsd.h: Likewise.
3784 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3786 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3787 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3789 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3790 for exact section attributions.
3792 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3794 * i386/crtdll.h (CPP_PREDEFINES): Define.
3796 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3798 * m68k.md (5200 movqi): Do not allow byte sized memory references
3800 * m68k.c (output_move_qimode): Do not use byte sized operations on
3803 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3804 explicit rules for building. Similarly for alloca, vfprintf,
3805 choose-temp and mkstemp, getopt, getopt1, and obstack.
3806 (INCLUDES): Add $(srcdir)/../include.
3807 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3808 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3810 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3812 * gcc.c (do_spec_1): [case 'o'] Account for
3813 lang_specific_extra_outfiles.
3814 (main): Correctly clear all slots in outfiles for
3815 lang_specific_extra_outfiles. Set input_file_number before
3816 calling lang_specific_pre_link.
3818 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3820 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3822 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3824 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3826 (sparc_output_deferred_case_vectors): If no work to do, return.
3827 Fix thinko in Sept 1 change.
3829 1998-09-03 SL Baur <steve@altair.xemacs.org>
3831 * Makefile.in: add semicolon in BISON definition for portability.
3833 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3835 * config/nextstep.c (handle_pragma): Correct name of third
3838 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3840 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3841 * config/m32r/m32r.h: Make register 17 be fixed.
3842 * config/m32r/m32r.c: Use SImode for cc operations.
3844 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3846 * invoke.texi (Warning Options): Add -Wnon-template-friend
3849 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3851 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3853 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3855 * rs6000.md (movsf): Disable explicit secondary-reload-like
3856 functionality if TARGET_POWERPC64.
3857 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3860 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3862 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3863 and term.h from fixinc.wrap.
3865 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3867 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3868 safe to include both string.h and strings.h together.
3869 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3870 which headers to search for function declarations. Continue to
3871 prefer string.h over strings.h when both are not acceptable.
3873 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3875 * configure.in: Call GCC_HEADER_STRING.
3877 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3878 to include. Continue to prefer string.h over strings.h when both
3881 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3883 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3884 not assume top 32-bits of symbolic addresses are zero if
3887 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3889 * ginclude/va-alpha.h: Protect entire second portion of the
3890 file against double inclusion.
3892 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3894 Added support for the Boehm's garbage collector.
3895 * configure.in: Handle --enable-objc-gc.
3896 * configure: Rebuilt.
3897 * Makefile.in (CHECK_TARGETS): Add check-objc.
3898 (check-objc): New rule.
3899 * objc/Make-lang.in: Build a different Objective-C library that
3900 runs with the Boehm's collector.
3901 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3902 * objc/encoding.c: Correctly compute the size of compound types in
3903 the presence of bitfields. Skip the variable name of the type if
3904 any. Added support for long long.
3905 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3906 (_F_GCINVISIBLE): New mask.
3907 * objc/gc.c: New file. Compute the type memory mask associated with
3908 a class based on the runtime information.
3909 * objc/misc.c: Added the hooks that use the Boehm's collector
3910 allocation functions.
3911 * objc/objc-act.c (build_class_template): Generate a new class
3912 member (gc_object_type) to hold the class' type memory mask.
3913 (build_shared_structure_initializer): Initialize the new member to
3915 (encode_complete_bitfield): New function. Generate the new
3917 (encode_field_decl): Generate the new encoding only for the GNU
3919 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3921 (class_get_gc_object_type): New function to mark a pointer instance
3922 variable as a weak pointer.
3923 * objc/objc-features.texi: New file.
3924 * objc/objc.h (gc_object_type): New class member.
3925 * objc/objects.c (class_create_instance): Create a typed memory
3926 object when compiled with Boehm's collector support.
3927 * objc/sendmsg.c (__objc_init_install_dtable): Call
3928 __objc_send_initialize instead of setting the initialize flag.
3929 (__objc_send_initialize): Call __objc_generate_gc_type_description
3930 to generate the class type memory mask. Rewrite the code that
3931 sends the +initialize so that it is called only once (bug report
3932 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3933 * testsuite/objc: New testsuite for Objective-C type encoding.
3934 * testsuite/lib/objc-torture.exp: New file.
3935 * testsuite/lib/objc.exp: New file.
3937 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3939 * jump.c (jump_optimize): In if/then/else transformations, add
3940 another call to modified_between_p for the jump insn.
3942 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3944 * fix-header.c (symlink): Treat like readlink.
3946 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3948 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3951 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3953 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3954 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3955 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3957 * config/nextstep.c (handle_pragma): Take three arguments, as per
3958 the new HANDLE_PRAGMA macro specification.
3959 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3960 per the new HANDLE_PRAGMA macro specification.
3961 * config/i960/i960.c (process_pragma): Take three arguments, as
3962 per the new HANDLE_PRAGMA macro specification.
3964 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3966 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3967 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3968 if unknown pragmas are encountered.
3969 (handle_sysv_pragma): Interpret return code from
3970 handle_pragma_token (). Return success/failure indication rather
3971 than next unprocessed character.
3972 (pragma_getc): New function: retrieves characters from the
3973 input stream. Defined when HANDLE_PRAGMA is enabled.
3974 (pragma_ungetc): New function: replaces characters back into the
3975 input stream. Defined when HANDLE_PRAGMA is enabled.
3977 * c-pragma.c (handle_pragma_token): Return success/failure status
3980 * c-pragma.h: Change prototype of handle_pragma_token().
3982 * varasm.c: (handle_pragma_weak): Only create this function if
3983 HANDLE_PRAGMA_WEAK is defined.
3985 * c-common,c (decl_attributes): If defined call the expression
3986 contained within the INSERT_ATTRIBUTES macro before adding
3987 attributes to a decl.
3989 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3990 HANDLE_PRAGMA, which takes three arguments.
3991 (INSERT_ATTRIBUTES): Document this new macro.
3993 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3994 new INSERT_ATTRIBUTES macro.
3996 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3998 * config/sparc/sparc.md (movdf): Only generate special RTL for
3999 LABEL_REFs when PIC.
4000 (move_label_di): Remove
4001 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4002 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4003 references when PIC.
4004 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4005 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4006 output an .xword for all 64-bit cases.
4008 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4010 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4011 alignment, use FUNCTION_BOUNDARY instead.
4012 (sparc_output_deferred_case_vectors): Likewise.
4014 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4016 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4017 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4019 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4021 * alpha/va_list.h: New file.
4022 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4024 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4026 * NEWS: Add SCO Openserver and Unixware 7 notes.
4030 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4032 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4033 (record_constant_1): Handle RANGE_EXPR.
4035 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4037 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4038 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4039 and NOTE_INSN_RANGE_END specially.
4040 (reemit_notes): Likewise.
4042 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4044 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4045 (ultrasparc_sched_init): Remove unneeded &.
4047 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4049 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4050 for m68020-60, to prevent the use of fintrz.
4052 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4054 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4056 * Makefile.in: Likewise.
4057 * configure: Regenerated.
4059 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4061 * configure.in (gxx_include_dir): Changed to
4062 '${prefix}/include/g++'-${libstdcxx_interface}.
4063 * configure: Rebuilt.
4065 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4067 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4069 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4070 *sequences* *below* which scalar moves will be used.
4072 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4074 * collect2.c (mktemp): Delete unused declaration.
4076 * config/xm-netbsd.h: Remove unnecessary file.
4077 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4078 file anymore, it is not needed.
4080 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4082 * convert.c (convert_to_integer): Issue an error on conversions to
4085 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4087 * Makefile.in: Add lang_tree_files and gencheck.h.
4088 * configure.in: Generate them.
4089 * gencheck.c: Include gencheck.h.
4091 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4093 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4094 movdi_lo_sum_pic and movdi_high_pic and make visible.
4095 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4096 emit these when Pmode is not SImode.
4097 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4099 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4101 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4102 .linkonce directive after the first time.
4104 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4106 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4107 the clobbered operand overlaps with an input.
4108 (bne0_di): Similarly.
4110 * Makefile.in (INSTALL): Remove "--no-header" argument.
4112 * NEWS: Various updates.
4114 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4116 * config/sparc/sparc.c (arith_operand, const64_operand,
4117 const64_high_operand, arith_double_4096_operand): Mark mode as
4119 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4121 (sparc_emit_set_const64): Remove unused variable i.
4122 (sparc_splitdi_legitimate): Likewise for addr_part.
4123 (ultra_code_from_mask): Likewise for mask.
4124 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4125 reverse return values so it matches usage and comments.
4126 (ultra_flush_pipeline): Likewise.
4127 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4128 this_type, and allow loads and stores of differing FP modes as
4129 they do not create a conflict.
4130 (ultra_find_type): Initialize fpmode to SFmode, fix
4131 parenthesization thinkos in large conditional.
4132 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4133 Init free_slot_mask after ultra_cur_hist is reset, not before.
4134 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4135 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4136 use ultra_flush_pipeline instead, then re-init group pointer.
4137 Fix statement with no effect. If no progress made in, and no
4138 instructions scheduled at all, advance to new pipeline cycle else
4139 we get into an endless loop.
4140 (ultrasparc_adjust_cost): Remove previous arg.
4141 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4143 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4145 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4146 code. Use reg_overlap_mentioned_p to detect when source and
4147 destination overlap.
4148 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4150 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4152 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4153 COMPARISON_VAL, into invariant_p.
4155 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4157 * regmove.c (regclass_compatible_p): New function.
4158 (regmove_optimize): Use it.
4160 Use NREGS parameter insted of calling max_reg_num.
4162 (fixup_match_1): Don't use code = MINUS when later tieing with
4163 a hard register is likely.
4165 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4167 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4168 COMPARISON_VAL was normalized.
4170 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4172 * loop.c (check_dbra_loop): The loop ending comparison value
4173 must be an invariant or we can not reverse the loop.
4175 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4176 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4178 (load_mems_and_recount_loop_regs_set): Likewise.
4180 * i386.c (print_operand): Remove obsolete 'c' docs.
4182 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4184 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4185 * frame.c (init_object_mutex): New function.
4186 (init_object_mutex_once): Likewise.
4187 (find_fde): Call it.
4188 (__register_frame_info): Likewise.
4189 (__register_frame_info_table): Likewise.
4190 (__deregister_frame_info): Likewise.
4192 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4194 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4196 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4198 * loop.c (check_dbra_loop): Enable code for reversal
4199 of some loops without a known constant loop end.
4201 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4203 * haifa-sched.c (last_clock_var): New.
4204 (schedule_block): Initialize it.
4205 (schedule_insn): Use it to fill insn modes with issue information.
4207 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4208 Tag trapb and next insn with TImode.
4209 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4210 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4211 Invoke alphaev5_align_insns as appropriate.
4212 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4213 (MD_SCHED_VARIABLE_ISSUE): New.
4214 * alpha.md (attr type): Add multi.
4215 (define_asm_attributes): New.
4216 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4217 (arg_home): Likewise.
4218 (fnop, unop, realign): New.
4220 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4222 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4223 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4225 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4226 (rs6000-ibm-aix4.[12]*): Likewise.
4227 * configure: Regnerate.
4229 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4231 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4232 already contains the return address.
4234 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4236 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4237 word sized hunks when loading unaligned args into registers.
4239 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4240 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4242 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4244 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4246 * loop.c (check_dbra_loop): Add some code that would allow reversal
4247 of some loops without a known constant loop end if it were enabled.
4249 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4251 * mips.md (lshrsi3_internal2+2): Fix type-o.
4253 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4255 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4256 correctly with regards to stdio.h.
4258 * calls.c: Remove stdarg.h/varargs.h.
4261 * combine.c: Likewise.
4262 * cpperror.c: Likewise.
4263 * cpplib.c: Likewise.
4264 * cpplib.h: Likewise.
4265 * doprint.c: Likewise.
4266 * emit-rtl.c: Likewise.
4267 * final.c: Likewise.
4268 * fix-header.c: Likewise.
4270 * genattr.c: Likewise.
4271 * genattrtab.c: Likewise.
4272 * gencodes.c: Likewise.
4273 * genconfig.c: Likewise.
4274 * genemit.c: Likewise.
4275 * genextract.c: Likewise.
4276 * genflags.c: Likewise.
4277 * genopinit.c: Likewise.
4278 * genoutput.c: Likewise.
4279 * genpeep.c: Likewise.
4280 * genrecog.c: Likewise.
4281 * mips-tfile.c: Likewise.
4282 * prefix.c: Likewise.
4283 * protoize.c: Likewise.
4284 * regmove.c: Likewise.
4285 * toplev.c: Likewise.
4288 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4290 * config/sparc/sparc.c (sparc_override_options): If not
4291 TARGET_FPU, turn off TARGET_VIS.
4292 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4293 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4294 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4295 (movdi_insn_sp64): Add VIS fzero alternative.
4296 (clear_sf, clear_df): New VIS patterns.
4297 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4299 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4301 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4303 * loop.c (n_times_set, n_times_used, may_not_optimize,
4304 reg_single_usage): Convert to varrays. All uses changed.
4305 (insert_loop_mem): Return a value.
4306 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4307 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4310 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4313 * configure.in: Do not set thread_file to "irix" since no such
4316 * sparc.md (float abs/neg splits): Check reload_completed before
4317 calling alter_subreg.
4319 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4321 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4323 * config/sparc/sparc.h: Declare it.
4324 * config/sparc/sparc.md (float abs/neg splits): Use it.
4325 (all other splits): Handle SUBREGs properly where necessary.
4326 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4328 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4330 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4331 an insn on the unfilled_slots_list that has no delay slots.
4332 (fill_eager_delay_slots): Similarly.
4334 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4336 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4337 as an ordinary operand.
4339 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4341 * tree.c (valid_machine_attribute): Don't apply attributes to both
4344 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4346 * reload.c (operands_match_p): Handle rtvecs.
4348 * i386.c (legitimate_pic_address_disp_p): New.
4349 (legitimate_address_p): Use it.
4350 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4351 Handle constant pool symbols just like statics.
4352 (emit_pic_move): Use Pmode not SImode for clarity.
4353 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4354 [UNSPEC]: New, handling what we killed above.
4355 [PLUS]: Detect and abort on invalid symbol arithmetic.
4356 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4358 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4360 * alias.c: Include output.h.
4361 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4362 different if we're in a varargs function.
4363 * Makefile.in (alias.o): Depend on output.h
4365 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4367 * sh.h (GIV_SORT_CRITERION): Delete.
4369 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4371 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4372 * stupid.c (stupid_life_analysis): Ditto.
4373 * reload1.c (reload): Ditto.
4375 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4377 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4378 arith_double_4096_operand, arith_double_add_operand): New
4380 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4381 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4382 them to transform add/sub 4096 into add/sub -4096.
4384 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4386 * loop.c (scan_loop): Allocate some slop to handle pseudos
4387 generated by move_movables.
4388 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4391 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4393 * tree.def (DECL_RESULT): Correct documentation.
4395 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4397 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4398 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4399 conflicts will all RELOAD_FOR_OUTPUT reloads.
4401 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4402 loads the function result, substitute with a USE.
4404 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4406 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4407 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4408 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4409 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4410 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4411 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4413 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4414 'o' to 'm' for GPR variant constraints.
4416 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4418 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4420 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4422 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4423 when the source and destination overlap.
4425 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4426 clash with global type.
4428 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4430 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4432 * c-common.c (combine_strings): Also set TREE_READONLY.
4433 Change warn_write_strings to flag_const_strings.
4434 * c-decl.c, c-tree.h: Likewise.
4436 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4438 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4439 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4440 sequence, use SET/IOR instead so CSE can see it.
4441 * config/sparc/sparc.md (movhi_const64_special,
4442 movsi_const64_special): New patterns necessitated by that change.
4443 (movhi_high): Remove.
4444 (movhi_lo_sum): Change to match an IOR.
4445 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4446 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4447 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4448 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4449 registers are involved.
4450 (snesi_zero_extend split): Remove reload_completed test.
4451 (unnamed plus and minus zero_extend sidi splits): Add it.
4453 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4455 * extend.texi: Remove description of extension to explicit
4456 instantiation that is now endorsed by standard C++.
4458 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4460 * config/arc/arc.c (arc_initialize_pic): Remove.
4461 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4462 nothing on any platform and is invoked by no-one, it does not even
4463 appear in the documentation.
4464 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4465 * config/sparc/sparc.c (initialize_pic): Likewise.
4466 (find_addr_reg): Remove this as well, no longer referenced after
4469 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4471 * recog.c (validate_replace_rtx_group): New function.
4472 * recog.h (validate_replace_rtx_group): Declare it.
4473 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4474 the entire group of substitutions.
4476 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4478 * loop.c (load_mems): Fix initializers.
4480 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4482 * config/sparc/sparc.md (TFmode splits): Handle destination
4483 registers being referenced in the address correctly.
4485 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4486 TREE_UNSIGNED, when bitsize of type's mode is larger than
4487 HOST_BITS_PER_WIDE_INT.
4489 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4491 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4492 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4493 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4495 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4498 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4500 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4501 * h8300.h (TINY_DATA_NAME_P): Likewise.
4502 (STRIP_NAME_ENCODING): Handle '&'.
4504 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4505 register (it could be accessed via an outer SUBREG).
4506 (REG_OK_FOR_BASE_P): Likewwise.
4507 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4509 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4512 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4514 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4516 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4517 must be offsettable so the splits can be made.
4519 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4521 * config/i386/winnt.c: Include system.h, not stdio.h to get
4522 sys/param.h pulled in before rtl.h in case the system defines MIN
4525 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4527 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4529 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4531 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4533 * cpplib.c (cpp_define): Handle macros with parameters.
4535 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4537 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4538 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4539 and DImode 64-bit. Use llong for minimal-toc SFmode and
4540 SYMBOL_REF / LABEL_REF 64-bit.
4541 (output_function_profiler): Use llong for profiler label and ld to
4542 load 64-bit label address.
4544 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4546 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4549 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4551 * version.c: Bump for snapshot.
4553 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4555 * version.c: Bump for snapshot.
4557 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4559 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4561 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4563 * tm.texi (Misc): Fix typo "teh".
4565 * tm.texi (PIC): Fix typo "PPIC".
4567 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4568 effect when -O2 and higher.
4569 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4571 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4573 * regclass.c: Changed register set documentation to be consistent
4576 * final.c (final_start_function) Removed redundant test for
4579 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4581 * rtl.h (rtx_function): New type.
4582 (for_each_rtx): New function.
4583 * rtlanal.c (for_each_rtx): Define it.
4585 * recog.c (change_t): New type.
4586 (change_objects, change_old_codes, change_locs, change_olds):
4588 (changes): New variable.
4589 (validate_change): Dynamically allocate room for more changes, if
4590 necessary. Uses changes array instead of change_objects, etc.
4591 (apply_change_group): Use changes array instead of
4592 change_objects, etc.
4594 * loop.c (loop_mem_info): New type.
4595 (loop_mems): New variable.
4596 (loop_mems_idx): Likewise.
4597 (looop_mems_allocated): Likewise.
4598 (scan_loop): Remove nregs parameter.
4599 (next_insn_in_loop): New function.
4600 (load_mems_and_recount_loop_regs_set): Likewise.
4601 (load_mems): Likewise.
4602 (insert_loop_mem): Likewise.
4603 (replace_loop_mem): Likewise.
4604 (replace_label): Likewise.
4605 (INSN_IN_RANGE_P): New macro.
4606 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4607 (scan_loop): Remove nregs parameter, compute it after any new
4608 registers are created by load_mems. Use INSN_IN_RANGE_P and
4609 next_insn_in_loop rather than expanding them inline. Call
4610 load_mems to load memory into pseudos, if appropriate.
4611 (prescan_loop): Figure out whether or not there are jumps from the
4612 loop to targets other than the label immediately following the
4613 loop. Call insert_loop_mem to notice all the MEMs used in the
4614 loop, if it could be safe to pull MEMs into REGs for the duration
4616 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4618 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4620 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4622 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4624 * config/sparc/sparc.c (finalize_pic): Check for the correct
4625 nonlocal_goto_receiver UNSPEC number.
4626 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4627 making note of this dependency existing in sparc.c
4628 (negtf2_notv9 split): Give NEG SFmode.
4629 (negsf2): Fix insn output string.
4631 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4633 * c-common.c (decl_attributes): Issue an error if the argument
4634 to alias is not a string.
4636 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4638 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4639 pending memory flush list.
4641 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4643 (try_combine): Allow combining insns with REG_LIBCALL notes.
4645 * expr.c (emit_block_move): Do not call memcpy as a libcall
4646 instead build up a CALL_EXPR and call it like any other
4648 (clear_storage): Similarly for memset.
4650 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4653 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4656 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4657 and REG_LIVE_LENGTH as successful substitutions are made.
4659 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4661 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4662 statement after end of loop label.
4664 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4666 * config/sparc/sparc.c (ultra_types_avail): New variable.
4667 (ultra_build_types_avail): New function to record mask of insn
4668 types in ready list at this cycle.
4669 (ultrasparc_sched_reorder): Call it.
4670 (ultra_find_type): Use it to quicken the search. Also simplif
4671 dependency check, don't use rtx_equal_p because we know exactly
4672 what we are looking for.
4674 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4676 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4677 for architecture v4.
4679 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4681 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4683 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4684 movdf_const_intreg and helper splits): New patterns to move float
4685 constants into integer registers.
4686 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4689 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4692 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4694 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4696 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4697 a BASE_REGS register is needed as an intermediate when copying
4698 a symbolic value into any register class other than BASE_REGS.
4700 * expr.c (move_by_pieces): No longer static. Remove prototype.
4701 * rtl.h (move_by_pieces): Add extern prototype.
4702 * mips.c (expand_block_move): Handle aligned straight line copy by
4703 calling move_by_pieces.
4705 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4708 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4710 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4711 jumps out of the loop to be treated as part of the exit test.
4713 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4714 Jeff Law <law@cygnus.com>
4716 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4717 * cplus-dem.c: Delete.
4719 * Makefile.in (fold-const.o): depend on $(RTL_H).
4721 * fold-const.c: Include rtl.h to get the prototype for
4722 `set_identifier_local_value'.
4724 * loop.c (express_from_1): Remove unused variable `tmp'.
4725 (combine_givs): cast the first argument of bzero to char *.
4727 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4729 * c-decl.c (init_decl_processing): Remove unneeded &.
4731 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4733 * except.c (set_exception_lang_code, set_exception_version_code):
4734 Change parameter from `short' to `int' to avoid using a gcc
4737 * except.h (set_exception_lang_code, set_exception_version_code):
4738 Likewise for prototypes.
4740 * flow.c (count_reg_references): Remove unused variables `regno'
4743 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4745 * prefix.c (translate_name): Cast the result of `alloca'.
4747 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4749 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4751 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4753 (valid_dbcc_comparison_p): Mark mode argument as unused.
4754 (symbolic_operand): Likewise.
4755 (legitimize_pic_address): Likewise.
4756 (const_uint32_operand): Likewise.
4757 (const_sint32_operand): Likewise.
4758 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4759 schedule_insns and comment out rest of file.
4761 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4763 (output_move_[hq]imode): Likewise.
4765 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4767 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4768 * invoke.texi: Corresponding changes.
4770 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4772 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4774 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4776 * config/sparc/sparc.c (ultra_code_from_mask,
4777 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4778 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4779 ultrasparc_sched_init, ultrasparc_variable_issue,
4780 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4781 functions to describe UltraSPARC pipeline exactly to Haifa.
4782 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4783 as there is nothing the scheduler can do about it. Indicate that
4784 REG_DEP_OUTPUT's collide. Fixup formatting.
4785 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4786 divide costs on Ultra for DImode.
4787 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4789 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4790 ieuN and add call_no_delay_slot to type list.
4791 (cti function unit): New unit for branches on UltraSPARC.
4792 (subx/addx insns): Set type to misc.
4793 (sidi zero/sign extension insns on arch64): Set type to shift.
4794 (sign_extendhidi2_insn): Set type to sload.
4796 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4798 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4799 (output_epilog): Use if != 0 for offset.
4800 (rs6000_fatal_bad_address): Prepare for Intl.
4801 * rs6000.h (rs6000_fatal_bad_address): Declare.
4802 * rs6000.md (movsfcc, movdfcc): Use else if.
4803 (elf_high): Use {liu|lis}.
4804 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4805 (movsi): Use rs6000_fatal_bad_address.
4807 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4809 * reload.c (find_equiv_reg): Reject equivalences separated
4810 by a volatile instruction.
4812 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4814 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4816 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4818 * alpha.md (movsicc): Fix mode mismatch.
4820 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4822 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4824 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4826 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4828 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4829 write-only modifier from operand 1 constraint.
4831 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4833 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4834 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4836 (sparc_emit_set_const64): Likewise, also when computing trailing
4837 bits do not negate low_bits and make fast_int an int.
4839 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4841 * loop.c (add_label_notes): Do not ignore references to labels
4842 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4843 * gcse.c (add_label_notes): Similarly.
4845 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4847 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4848 (adddi_dishl32): Similarly.
4850 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4852 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4853 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4854 * cse.c (cse_basic_block): Add parens to shut up warnings.
4856 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4858 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4859 sparc_emit_set_const64_longway, const64_is_2insns,
4860 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4861 in 64-bit constant formation.
4862 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4863 rtl for addx not subx.
4864 (define_insn movdi_const64_special): Make available even when
4865 HOST_BITS_PER_WIDE_INT is not 64.
4866 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4867 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4868 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4869 instances of operand 1 inside a QI subreg.
4870 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4871 (one_cmpldi2_sp64): Fix output string.
4872 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4874 (unnamed arch64 ashift DI): Truncate shift count if greater than
4877 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4879 * expr.c (store_expr): Don't optimize away load-store pair
4880 when either source or destination have a side effect.
4882 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4884 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4885 operands of SET are incompatible.
4887 * alpha.md: Fix max and min patterns so modes of SET operands match.
4889 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4891 * configure.in: Avoid [[ by using test and changequote.
4892 * configure: Rebuild.
4894 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4896 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4898 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4899 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4900 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4901 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4902 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4903 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4904 Fix mismatching modes in SET operands.
4905 (conditional move patterns): Fix formatting.
4906 (unnamed subx arch64 pattern): Remove duplicate insn.
4908 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4910 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4911 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4912 (input_operand): Fixup test for what we accept for constant
4914 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4916 (safe_constDI): Remove.
4917 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4918 gen_safe_XOR64): New functions.
4919 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4920 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4922 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4923 available when HOST_BITS_PER_WIDE_INT is not 64.
4924 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4925 move before movdi_insn_sp64 pattern.
4926 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4927 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4928 symbolic_operand as predicate for second operand.
4929 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4930 expander): Give set VOIDmode.
4932 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4934 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4936 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4938 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4940 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4942 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4944 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4946 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4948 * install.texi: Various SCO OpenServer tweaks.
4950 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4952 * reload1.c (eliminate_regs_in_insn): Handle another case when
4953 eliminating the frame pointer to the hard frame pointer. Add
4954 missing ep->to_rtx check to one existing case.
4956 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4958 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4960 * tree.h: De-conditionalize init_priority code.
4962 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4963 * collect2.c (NM_FLAGS): Change from -p to -n.
4965 * configure.in: Turn on collect2 for mipstx39-elf.
4966 Handle use_collect2=no properly.
4968 * c-common.c: De-conditionalize init_priority code.
4969 * collect2.c (extract_init_priority, sort_ids): New fns.
4970 (main): Call sort_ids.
4971 Move sequence_number to file scope.
4973 * configure.in: Handle --enable-init-priority.
4974 * c-common.c (attrs): Add A_INIT_PRIORITY.
4975 (init_attributes, decl_attributes): Likewise.
4976 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4977 * tree.c (get_file_function_name_long): Split out...
4978 (get_file_function_name): ...from here.
4980 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4982 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4985 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4987 * toplev.c (display_help): Add braces to shut up warnings.
4988 * tree.c (simple_cst_equal): Likewise.
4990 * fold-const.c (non_lvalue): Don't deal with null pointer
4992 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4994 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4995 of any size to a pointer.
4997 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4999 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5001 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5003 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5004 which will be saved.
5005 * mn10300.md (prologue insn): Only save registers which need saving.
5006 (epilogue insn): Similarly.
5008 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5011 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5013 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5014 VAR_DECL's in gp addressable sections.
5016 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5018 * sparc.c: Change return <exp> to <exp>; return; in functions
5020 * sparc.md: Add empty semicolon statement after final label in
5023 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5025 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5026 addx_extend_sp64, only allow when TARGET_ARCH64.
5027 (define_insn addx_extend_sp32 and split): Version that works when
5029 (define_insn subx_extend): Likewise.
5030 (define_split adddi3 and subdi3 with zero extension): Fixup and
5031 correct bugs when not TARGET_ARCH64.
5033 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5035 * except.c (set_exception_lang_code, set_exception_version_code):
5036 Use prototype-style definition if __STDC__, to match declaration
5039 * genemit.c: Change FAIL and DONE macros not to use loops.
5041 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5043 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5044 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5046 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5048 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5050 * README.g77: Update from Craig.
5052 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5054 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5056 (safe_constDI sparc_emit_set_const64_quick1,
5057 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5058 analyze_64bit_constant, const64_is_2insns,
5059 create_simple_focus_bits): Fix some bugs when compiled on real
5061 (function_arg_record_value_3, function_arg_record_value_2,
5062 function_arg_record_value): Add fully prototyped forward decls.
5063 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5064 to cmpsi_insn and use on both 64 and 32 bit targets.
5065 (define_insn cmpsi_insn_sp64): Remove.
5066 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5067 (define_insn zero_extendsidi2_insn): Rename to
5068 zero_extendsidi2_insn_sp64.
5069 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5070 assosciated forced split for it.
5072 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5074 * config/sparc/sparc.h: Declare them.
5075 (PREDICATE_CODES): Add them.
5076 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5077 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5079 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5081 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5082 in v9 case as the latter makes the Solaris assembler crash.
5084 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5086 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5087 for TFmode when !v9. We require offsettable memory addresses.
5088 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5089 DFmode register number conversions.
5090 * config/sparc/sparc.md (define_split DFmode moves): If register
5091 is a SUBREG do alter_subreg on it before using.
5092 (define_expand movtf): Fixup comment about alignment on v9.
5093 (define_split TFmode moves): Don't use gen_{high,low}part, create
5094 explicit SUBREGs instead.
5096 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5098 * Makefile.in (mbchar.o): Depend on mbchar.c.
5100 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5101 Richard Henderson <rth@cygnus.com>
5103 Rewrite Sparc backend for better code generation and
5104 improved sparc64 support.
5105 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5107 * config/sparc/sysv4.h: Likewise.
5108 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5109 move_operand, v8plus_regcmp_op, emit_move_sequence,
5110 singlemove_string, doublemove_string, mem_aligned_8,
5111 output_move_double, output_move_quad, output_fp_move_double,
5112 move_quad_direction, output_fp_move_quad, output_scc_insn):
5114 (small_int_or_double): New predicate.
5115 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5116 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5117 old pic_{sethi,lo_sum}_si patterns.
5118 (mem_min_alignment): New generic function to replace
5119 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5120 available and can test for arbitrary alignments. All callers
5122 (save_regs, restore_regs, build_big_number,
5123 output_function_prologue, output_cbranch, output_return,
5124 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5125 sparc_flat_output_function_epilogue): Prettify
5127 (output_function_epilogue): Likewise and add code to output
5128 deferred case vectors.
5129 (output_v9branch): Likewise, add new arg INSN and use it to tack
5130 on branch prediction settings. All callers changed.
5131 (print_operand): Likewise and output %l44 for LO_SUMs when
5133 (sparc_splitdi_legitimate): New function to make sure DImode
5134 splits can be run properly when !arch64.
5135 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5136 Reformat example code in comments.
5137 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5138 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5139 of deferred case vectors we need to output.
5140 (sparc_defer_case_vector): Record a case vector.
5141 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5142 sparc_output_deferred_case_vectors): New functions to output them.
5143 (sparc_emit_set_const32): New function to form 32-bit constants in
5144 registers when that requires more than one instruction.
5145 (safe_constDI, sparc_emit_set_const64_quick1,
5146 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5147 analyze_64bit_constant, const64_is_2insns,
5148 create_simple_focus_bits, sparc_emit_set_const64): New functions
5149 which do the same for 64-bit constants when arch64.
5150 (sparc_emit_set_symbolic_const64): New function to emit address
5151 loading for all code models on v9.
5152 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5153 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5154 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5155 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5156 inaccuracies in comments, add symbolic and text_segment operands
5157 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5158 GENERAL_REGS in these cases as a temp REG is needed to load these
5159 addresses into a register properly.
5160 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5162 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5163 quads are guarenteed to have 16-byte alignment.
5164 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5165 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5166 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5167 deferred case vector implementation.
5168 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5169 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5170 Generate "internal label - label" instead of "label - 1b".
5171 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5172 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5173 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5175 (doublemove_string, output_block_move, output_fp_move_double,
5176 output_fp_move_quad, output_move_double, output_move_quad,
5177 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5178 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5179 (sparc_emit_set_const32, sparc_emit_set_const64,
5180 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5181 mem_min_alignment, small_int_or_double): Add externs.
5182 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5183 UNSPEC_VOLATILE in this backend.
5184 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5185 unary to types which execute in it.
5186 (define_function_unit ieu_shift): Rename to ieu0.
5187 (define_function_unit ieu1): New, executes compare, call, and
5188 uncond_branch type insns.
5189 (define_function_units for type fdivs, fdivd, fsqrt): These
5190 execute in the fpu multiply unit not the adder on UltraSparc.
5191 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5192 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5193 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5194 allows the arith_double_operand predicate and rHI constraint when
5196 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5197 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5198 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5199 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5200 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5201 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5202 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5203 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5204 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5205 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5206 sign_extendqihi2_insn, sign_extendqisi2_insn,
5207 sign_extendqidi2_insn, sign_extendhidi2_insn,
5208 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5209 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5210 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5211 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5212 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5213 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5214 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5215 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5216 smulsi3_highpart_v8plus, unnamed subreg mult,
5217 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5218 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5219 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5220 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5221 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5222 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5223 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5224 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5225 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5226 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5227 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5228 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5229 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5230 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5231 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5232 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5233 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5234 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5235 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5236 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5237 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5238 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5239 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5240 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5241 call_address_untyped_struct_value_sp32,
5242 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5243 call_value_symbolic_sp32, call_value_address_sp64,
5244 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5245 flush_register_windows, goto_handler_and_restore,
5246 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5247 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5248 return_addsi, return_di, return_adddi, return_sf, all call+jump
5249 peepholes, trap, unnamed trap insns): Prettify output strings.
5250 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5251 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5252 Likewise and force + implement splits for integer cases.
5253 (define_insn return_sf_no_fpu): Likewise and allow to match when
5254 no-fpu because of our subreg SFmode splits.
5255 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5256 zero_extendqidi2_insn, zero_extendhidi2_insn,
5257 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5258 input_operand for second operand.
5259 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5260 reg_or_0_operand for operand 2 so new splits can use it.
5261 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5262 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5264 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5265 CONST_DOUBLEs for operand 2.
5266 (define_insn move_label_di): Likewise and label distance
5267 optimization because it no longer works with new deferred case
5268 vector scheme. To be revisited.
5269 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5270 and allow reg_or_0_operand and J constraint for second operand.
5271 (define_insn jump): Set branch predict taken on V9.
5272 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5273 new deferred case vector scheme.
5274 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5275 (define_insn negdi2_sp32): Force + implement splits.
5276 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5277 one_cmplsi2_not_liveg0 respectively, and create expander of original
5278 names which emit special rtl for TARGET_LIVE_G0.
5279 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5280 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5281 gen_compare_reg, FAIL instead.
5282 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5283 values when trying to reverse condition codes, if they FAIL then
5285 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5286 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5287 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5288 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5289 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5290 set output string to # to indicate they are mandatory splits.
5291 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5292 pic_sethi_di, move_pic_label_si): Remove.
5293 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5294 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5296 (define_expand movsi_pic_label_ref, define_insn
5297 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5298 expander and insns to handle PIC label references and deferred
5300 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5302 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5303 Rewrite to not use emit_move_sequence, make use of new constant
5304 formation code, and new splits for all multi-insn cases.
5305 (define_insn movqi_insn): Remove sethi case, it can never happen.
5306 Use reg_or_zero_operand instead of const0_rtx explicit test,
5307 use input_operand instead of move_operand for source, and use
5308 general_operand now for dest.
5309 (define_insn movhi_insn): Similar but leave sethi case.
5310 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5311 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5312 movhi_lo_sum respectively, prettify output string.
5313 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5314 register when needed on TARGET_LIVE_G0.
5315 (define_insn movsi_insn): Use general_operand and input_operand
5316 for dest and src respectively. Simplify applicability test.
5317 Prettify output strings, and add clr alternative for J
5319 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5320 deprecated std and reg-reg DI moves): Remove and...
5321 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5322 implementation which uses forced splits for all non-single insn
5324 (define_split DI move cases on !arch64): New splits to handle all
5325 situations of 64-bit double register DImode on 32bit, and
5326 unaligned registers and memory addresses for all subtargets.
5327 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5329 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5330 input_operand for dest and src respectively, prettify output
5332 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5333 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5335 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5336 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5337 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5338 movtf_no_e_insn_sp64) Replace with new
5339 implementation which uses forced splits for all non-single insn
5341 (define_split DF move cases): New splits in similar vein to DI
5343 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5344 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5345 movdi_sp64_insn): Remove old v9 code model and constant loading
5347 (define_insn pic_lo_sum_di, pic_sethi_di,
5348 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5349 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5350 embmedany_sethi, embmedany_losum, embmedany_brsum,
5351 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5352 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5353 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5354 scheme, using unspecs, secondary reloads, and one to one sparc
5355 insn to rtl insn mapping for better scheduling and code gen.
5356 (define_expand reload_indi, reload_outdi): Reload helpers for
5357 MEDANY and EMBMEDANY symbol address loading cases which require a
5359 (define_expand movsicc): Remove v8plus_regcmp cases.
5360 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5361 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5362 cmp_diqi_trunc_set): New patterns used by some of the new scc
5364 (define_insn xordi3_sp64_dbl): New pattern used for constant
5365 formation when crossing from 32-bit targets.
5366 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5368 (define_insn addx, subx): Make visible and prettify.
5369 (define_insn adddi3_insn_sp32): Likewise and force split.
5370 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5371 64bit scc split usage.
5372 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5373 zero_extend, subdi3): Force and implement splits.
5375 * final.c (final_scan_insn): Don't output labels if target
5376 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5379 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5380 don't forget to walk inside SEQUENCESs too as these are what the
5381 delay slot scheduler will create.
5383 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5385 * alpha.md (extxl+1,+2): New patterns to work around
5388 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5390 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5391 caused bad assembly code to be generated.
5393 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5395 * netbsd.h: Fix typo.
5397 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5399 * config.sub: Fix typo.
5401 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5403 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5405 (Running Protoize): Typo: Change "ther" into "other".
5407 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5409 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5410 * m68k/netbsd.h: Likewise.
5411 * ns32k/netbsd.h: Likewise.
5412 * sparc/netbsd.h: Likewise.
5414 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5416 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5417 * ginclude/va-clipper.h (va_list): Likewise.
5419 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5421 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5422 load/store multiple instructions unless user overrides.
5424 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5426 * ns32k/netbsd.h: Fix typo.
5428 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5430 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5431 labels with .debugsym if no parallel insns.
5433 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5435 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5436 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5438 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5440 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5441 (AR_FOR_TARGET): Define.
5443 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5445 * dyn-string.h: New file.
5446 * dyn-string.c: Likewise.
5447 * Makefile.in (OBJS): Add dyn-string.o.
5448 (dwarf2out.o): Add dyn-string.h dependency.
5449 (dyn-string.o): List dependencies.
5450 * dwarf2out.c: Include dyn-string.h.
5451 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5452 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5453 prototype. Use dyn_string_append rather than strcat, throughout.
5454 (addr_to_string): Use dyn_string_t.
5456 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5458 Function entry/exit profiling instrumentation:
5459 * expr.h (profile_function_entry_libfunc,
5460 profile_function_exit_libfunc): Declare new variables.
5461 * optabs.c: Define them here.
5462 (init_optabs): Initialize them.
5463 * tree.h (struct tree_decl): New flag
5464 no_instrument_function_entry_exit.
5465 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5466 * c-decl.c (duplicate_decls): Merge it.
5467 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5468 (init_attributes): Use it for "no_instrument_function".
5469 (decl_attributes): Handle it, for functions that have not yet been
5470 compiled. Set decl flag.
5471 * flags.h (flag_instrument_function_entry_exit): Declare new
5473 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5474 (f_options): New option "instrument-functions".
5475 * function.h (struct function): New field instrument_entry_exit.
5476 * function.c (current_function_instrument_entry_exit): New
5478 (push_function_context_to, pop_function_context_from): Save and
5480 (expand_function_start): Set current_ variable, maybe emit return
5481 label and entry profile call.
5482 (expand_function_end): Maybe emit exit profile call.
5484 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5486 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5487 NON_QI_REG_P, pretend the register is SImode.
5489 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5491 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5492 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5493 manufacturer id for ns32k.
5494 * configure: Regenerated.
5495 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5496 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5497 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5498 * config/m68k/netbsd.h: Same.
5499 * config/ns32k/netbsd.h: Same.
5500 * config/sparc/netbsd.h: Same.
5502 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5504 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5505 or UNROLL_COMPLETELY loop that starts with a jump to its
5508 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5510 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5511 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5512 (print_operand, case 'B'): Don't fall through.
5513 (print_operand, case 'S'): Correct mask begin/end computation.
5514 Use HOST_BITS_PER_WIDE_INT.
5515 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5516 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5517 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5518 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5520 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5522 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5523 constraint from second alternative.
5525 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5527 * configure.in: Fix --without/--disable cases for local-prefix,
5528 gxx-include-dir and checking.
5530 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5532 * configure.in (enable_haifa): Set by default for sparc64 too.
5535 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5537 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5538 * i386/winnt.c (associated_type): New fn.
5539 (i386_pe_valid_type_attribute_p): New fn.
5540 (i386_pe_check_vtable_importexport): Remove.
5541 (i386_pe_dllexport_p): Use associated_type.
5542 (i386_pe_dllimport_p): Likewise.
5544 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5545 * i386.c (i386_valid_type_attribute_p): Also accept
5546 attributes for METHOD_TYPEs.
5548 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5550 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5552 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5554 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5556 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5557 them from generating a new base name for each occurence of
5560 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5562 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5564 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5568 * cplus-dem.c (type_kind_t): New type.
5569 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5570 on this paramter, rather than demangling the type again.
5571 (demangle_integral_value): Pass tk_integral.
5572 (demangle_template_: Pass the value returned from do_type.
5573 (do_type): Return a type_kind_t. Pass tk_integral to
5574 demangle_template_value_parm for array bounds.
5575 (demangle_fund_type): Likewise.
5577 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5579 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5582 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5584 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5586 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5588 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5590 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5593 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5595 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5596 (DEBUGGER_ARG_OFFSET): Likewise.
5598 * mn10300.md (movsf): Remove last change. Not needed.
5600 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5602 * c-lex.c (yylex): Fix boundary conditions in character literal and
5603 string literal loops.
5605 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5607 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5608 being invoked incorrectly.
5610 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5611 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5613 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5614 * configure.in: Added i[34567]86-*-win32
5615 * config.sub: Ditto.
5616 * configure: Rebuilt.
5618 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5620 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5621 the frame pointer and compiling PIC code and reload has not completed.
5623 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5626 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5628 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5630 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5632 * Makefile.in (install-info): Only try to update the info
5633 directory file if it exists in the first place.
5635 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5637 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5639 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5641 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5642 CONST_DOUBLE source.
5644 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5646 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5647 strings as the insertion of USER_LABEL_PREFIX.
5648 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5650 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5653 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5655 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5656 already defined type.
5658 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5660 * expr.c (check_max_integer_computation_mode): Allow conversions
5661 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5662 (expand_expr): Likewise.
5664 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5666 * expr.c (expand_expr): Expand RETURN_EXPR.
5668 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5670 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5672 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5674 * dwarf2out.c (output_aranges): Call stripattributes
5675 for TEXT_SECTION references.
5676 (output_line_info): Likewise.
5678 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5680 * profile.c (branch_prob): Call allocate_reg_info after outputting
5681 profile rtl in instrument_arcs.
5683 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5685 * fixinc.irix (math.h): Install wrapper instead of copying.
5687 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5689 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5690 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5691 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5692 lang_flag_0. Added documentation in the flag table.
5694 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5696 * cccp.c (do_include): Fix vax c style include handling.
5698 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5700 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5702 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5704 * fold-const.c (non_lvalue): Don't deal with null pointer
5706 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5708 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5710 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5711 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5712 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5713 (u_short_cint_operand): Same.
5714 (reg_or_cint_operand): Same.
5715 (logical_operand): Same.
5716 (input_operand): Same.
5717 (reg_or_short_operand): Use u_short_cint_operand.
5719 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5721 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5722 but keep the insns and splits. Adjust so when the ultimate destination
5723 is memory, use cvtql.
5725 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5727 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5729 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5731 * gcc.c (do_spec): Call "error" not "warning".
5733 * configure.in: Fix minor problems with gas feature detection code.
5734 * configure: Rebuilt.
5736 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5739 * gcc.c: Delete %[spec] support.
5740 (do_spec_1, case '('): Likewise.
5741 (do_spec_1, case '['): Call error.
5743 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5745 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5746 (CPP_SUBTARGET_SPEC): Default to empty string.
5747 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5748 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5749 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5750 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5752 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5753 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5754 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5755 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5756 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5757 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5758 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5759 * alpha/vxworks.h: Likewise.
5761 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5763 * mips.md (reload_outsi): Added missing REGNO call.
5764 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5766 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5767 another match_operator and compare the codes.
5769 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5771 * MIPS multiply pattern fixes:
5772 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5773 Add union classes for HI, LO, or HILO plus general registers.
5774 (GENERATE_MADD): Deleted.
5775 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5776 Add TARGET_MAD to condition.
5777 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5778 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5779 "*d" for accumulator, to give preference to LO initially but not
5782 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5784 * configure.in (enable_c_mbchar): New configure option.
5785 (extra_cpp_objs): Always available now.
5787 * cexp.y (mbchar.h): #include it.
5788 (yylex): Handle Multibyte characters in character literals.
5790 * cccp.c (mbchar.h): #include it.
5791 (main): Set character set based on LANG environment variable.
5792 (rescan): Handle multibyte characters in comments.
5793 (skip_if_group): See above.
5794 (validate_else): See above.
5795 (skip_to_end_of_comment): See above.
5796 (macarg1): See above.
5797 (discard_comments): See above.
5798 (rescan): Handle multibyte characters in string and character literals.
5799 (collect_expansion): See above.
5800 (skip_quoted_string): See above.
5801 (macroexpand): See above.
5802 (macarg1): See above.
5803 (discard_comments): See above.
5804 (change_newlines): See above.
5806 * c-lex.c (mbchar.h): #include it.
5807 (GET_ENVIRONMENT): New macro.
5808 (init_lex): Set character set based on LANG environment variable.
5809 (yylex): Handle multibyte characters in character literals.
5810 (yylex): Handle multibyte characters in string literals.
5812 * Makefile.in (mbchar.o): New target.
5813 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5814 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5816 * mbchar.[ch]: New files for multibyte character handling.
5818 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5820 * jump.c (jump_optimize): When simplifying noop moves and
5821 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5822 the PUSHes to rewrite in second loop as we did in the first.
5824 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5826 * cplus-dem.c (demangle_nested_args): Make function definition
5827 static to match the prototype.
5829 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5831 * alloca.c: Respect USE_C_ALLOCA.
5832 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5833 * gengenrtl.c (xmalloc): Likewise.
5835 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5837 * loop.h (struct induction): Add no_const_addval.
5838 * loop.c (the_movables, reg_address_cost): New variables.
5839 (init_loop): Init reg_address_cost.
5840 (loop_optimize): Call end_alias_analysis.
5841 (scan_loop): Init the_movables.
5842 (record_giv): Init induction->no_const_addval.
5843 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5844 [REG]: Rearrange loop search test to catch more cases.
5845 (general_induction_var): Return success not benefit; take an extra
5846 argument for that. Change all callers.
5847 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5848 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5849 [default]: Search the_movables for additional combinations.
5850 (sge_plus_constant, sge_plus): New functions.
5851 (express_from_1): New function.
5852 (express_from): Always define. Rewrite using express_from_1.
5853 (combine_givs_p): Handle more cases. Ignore address cost.
5854 (cmp_combine_givs_stats): New function.
5855 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5856 (combine_givs): Rewrite to do best-fit combination.
5858 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5859 (fold): Do a complete (A*C)+(B*C) association check.
5861 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5863 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5865 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5867 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5869 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5871 * tree.c (valid_machine_attribute): Only create a new type variant if
5872 there is a decl to use it.
5874 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5876 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5879 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5881 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5884 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5886 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5887 Simplify tests for clearing an address register.
5888 (expand_prologue): Corresponding changes.
5890 * mn10300.md (movXX patterns): Make sure the destination is an
5891 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5892 (logical patterns): Split into expanders + patterns
5893 (zero and sign extension patterns): Similarly.
5894 (shift patterns): Similarly.
5896 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5898 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5899 for the sequence, recording base values.
5901 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5903 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5905 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5907 * gcc.c: Remove ANSI-C ism from --help code.
5909 * toplev.c: Support --help with USE_CPPLIB.
5911 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5913 * configure.in: Rework gas feature code to work with symlink based
5916 * extend.texi: Clarify some issues related to local variables
5917 assigned to explicit registers.
5919 * mn10300.md (mulsi): Turn into expander + pattern.
5921 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5924 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5926 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5928 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5930 * version.c: Bump again to distinguish mainline tree from the
5933 See ChangeLog.0 for earlier changes.
5936 add-log-time-format: current-time-string