1 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * configure.in: Call AC_FUNC_VFORK.
5 * collect2.c: Define VFORK_STRING as a printable string for
6 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
7 defined, include vfork.h. If VMS is defined, define vfork()
8 appropriately. Remove vfork check on USG, we're using autoconf.
9 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
10 checking locally what string to pass.
11 (scan_prog_file): Likewise.
12 (scan_libraries): Likewise.
14 * gcc.c: Remove vfork check on USG, we're using autoconf.
15 Besides, no calls to vfork/fork occur in this file.
17 * protoize.c: Likewise.
19 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
21 * configure.in (DEFAULT_LINKER): renamed from LD
22 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
23 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
26 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
28 * BUGS: fix the regexp for `more' to find the appropriate node.
29 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
31 * BUGS: added link to the WWW FAQ
33 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
35 * version.c: Bump for snapshot.
37 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
39 * From Christian Gafton:
40 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
41 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
42 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
44 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
46 * c-common.c (c_get_alias_set): Allow all type-punning through
47 unions. Don't get confused about the type of a bit-field, despite
48 the antics of build_modify_expr.
50 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
52 * fixinc.sco: Paramaterize #include_next values.
53 * fixinc/fixinc.sco: Likewise.
55 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
57 * toplev.c (rest_of_compilation): No longer set reload_completed.
58 * reload1.c (reload): Set it here. Perform instruction splitting
59 after reload has completed if we will be running the scheduler
62 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
64 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
65 EH region if exceptions are enabled and we're performing cross
67 (find_cross_jump): Exit loop if the insns are in different EH regions.
69 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
71 * dwarf2out.c (output_call_frame_info): Use
72 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
74 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
76 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
77 * c-common.c (check_format_info): Don't check for the 'x'
78 format character twice, instead check for 'x' and 'X'
80 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
82 * configure.in (assembler features): Also make gas is configured if
83 we find it in the souce tree.
85 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
87 * i386.c (i386_comp_type_attributes): Compare whether the
88 attributes are defined, not their tree nodes.
90 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
92 * configure.in (gxx_include_dir): bitten by autoconf quoting
96 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
98 * configure.in: Ignore non-absolute value in $AS.
100 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
102 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
104 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
106 * configure.in (msdosdjgpp): Set exeext and target_alias.
108 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
110 * flow.c (XNMALLOC): New macro.
111 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
113 (add_edge, add_edge_to_label): New static functions.
114 (free_bb_memory): New function.
115 (flow_delete_insn): Delete function.
116 (basic_block_drops_in): Delete variable.
117 (find_basic_blocks): Allocate and initialize basic_block_head,
118 basic_block_succ. Don't allocate basic_block_drops_in.
119 Call free_bb_memory at the beginning.
120 (find_basic_blocks_1): Don't do multiple passes.
121 Delete code to compute basic_block_drops_in.
122 After calling make_edges, mark blocks reached by current block live.
123 Update test for unreachable live blocks.
124 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
126 Simplify to call add_edge_to_label when a LABEL_REF is found.
127 (make_edges): Simplify to call add_edge_to_label instead of
128 mark_label_ref most of the time.
129 Compute here whether control drops into the next block.
130 (delete_unreachable_blocks): Return void. All callers changed.
131 Delete unreachable blocks in reverse order.
132 After deleting all unreachable blocks, renumber the remaining ones
133 and update n_basic_blocks.
134 (delete_block): Speed up deletion a bit.
135 Don't set basic_block_drops_in for deleted blocks.
136 (free_basic_block_vars): Don't free basic_block_drops_in.
137 (life_analysis_1): Update to use new edge representation.
138 (dump_flow_info): Delete code to print basic block info; call
139 dump_bb_data instead.
140 (compute_preds_succs): Delete code to recompute basic_block_drops_in
141 and uid_block_number.
142 Simply copy the previously computed cfg.
143 (dump_bb_data): New arg LIVE_INFO. All callers changed.
144 Print register lifetime information if LIVE_INFO is nonzero.
145 * basic-block.h (dump_bb_data): Adjust prototype.
146 * gcse.c (gcse_main): Update call to dump_bb_data.
147 * rtl.h (free_bb_memory): Declare.
148 * toplev.c (rest_of_compilation): Call free_bb_memory.
150 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
151 (update_eliminable_offsets): Don't compute it.
152 (set_initial_elim_offsets): Don't initialize it.
153 Break out some code into set_initial_label_offsets so the rest of
154 this function can be called from reload_as_needed.
155 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
156 ELIMINABLE_REGS isn't.
157 (set_initial_label_offsets): New function, broken out of
158 set_initial_elim_offsets.
159 (set_offsets_for_label): New function, broken out of set_label_offsets
160 and reload_as_needed.
161 (reload): Call the two new functions.
162 (reload_as_needed): Call set_initial_elim_offsets instead of
163 duplicating the code. Likewise for set_offsets_for_label.
165 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
166 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
167 any hard reg, reg_reloaded_dead contains valid data.
169 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
171 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
172 "stdcall" and "cdecl" attributes.
174 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
176 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
177 handle deleted no-op moves of hard registers.
178 * haifa-sched.c (update_flow_info): Likewise.
180 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
182 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
183 of the sequences to reload the HILO register which do not actually
186 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
188 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
190 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
192 * except.c (emit_eh_context): Make the EH context register stay alive
193 at -O0 so stupid.c doesn't get confused.
195 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
197 * emit-rtl.c (try_split): Do not try to split a BARRIER.
199 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
200 Jeffrey A Law (law@cygnus.com)
202 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
203 (zero_extendsidi2): Use # in output template and handle completely by
205 (zero_extend splitters): New define_splits.
206 (ashiftrt_32): New pattern.
208 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
210 * tree.c (append_random_chars): New fn.
211 (get_file_function_name_long): Use it.
213 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
215 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
216 (LIBCPP_OBJS): New. Add cppulp.o.
217 (cppmain, fix-header): Depend on and use libcpp.a.
218 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
219 of the individual object files.
220 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
223 * cccp.c (user_label_prefix): New.
224 (main): Set it off -f*leading-underscore.
225 (special_symbol): Use it.
226 * cpplib.c (special_symbol): Likewise.
227 (cpp_handle_option): Handle -f*leading-underscore.
228 * cppulp.c: New file.
230 * output.h (user_label_prefix): Declare it.
231 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
232 * toplev.c (f_options, main): Handle -f*leading-underscore.
234 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
235 referencing USER_LABEL_PREFIX directly.
236 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
237 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
238 * final.c (asm_fprintf): Use user_label_prefix instead.
239 * arm/thumb.c (thumb_print_operand): Likewise.
241 * gcc.c (default_compilers): Pass -f*leading-underscore on to
242 cpp wherever appropriate.
244 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
246 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
247 specific compiler switches.
249 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
251 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
254 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
256 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
257 structure which has exactly the members provided by EXTRA_SPECS.
258 Xmalloc() the real `extra_specs', and initialize it from this
259 intermediate structure.
261 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
263 * mips.h (EXTRA_SPECS): Likewise.
265 * sparc.h (EXTRA_SPECS): Likewise.
267 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
269 * function.c (purge_addressof_1): Instead of aborting when a
270 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
271 work just put the ADDRESSOF on stack. Otherwise remember all such
272 successfull replacements, so that exactly the same replacements
273 can be made on the REG_NOTEs. Remove the special case for CALL
275 (purge_addressof_replacements): New variable.
276 (purge_addressof): Clear it at end.
278 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
280 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
281 (lang_init): Call check_newline always.
282 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
283 cpp_start_read, set yy_cur and yy_lim to read from
284 parse_in.token_buffer, so that we'll see the first #line
286 * cpplib.c (cpp_start_read): finclude the main input file
287 before processing -include/-imacros. Process -imacros and
288 -include separately, and handle -include by stacking a
289 buffer for the file in question as if it'd been #included.
290 * toplev.c (documented_lang_options) Recognize -H when
293 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
295 * cpplib.c: Merge do_once into do_pragma. Break file handling
296 code out of do_include.
297 Move append_include_chain, deps_output,
298 file_cleanup, redundant_include_p, import_hash,
299 lookup_import, add_import, read_filename_string, read_name_map,
300 open_include_file, finclude, safe_read to cppfiles.c.
301 Move prototypes for deps_output, append_include_chain,
302 finclude to cpplib.h. Move definition of struct
303 file_name_list there also.
305 * cppfiles.c: New file. Contains all the above functions
306 broken out of cpplib.c; also hack_vms_include_specification
307 from cccp.c and find_include_file, a new function broken out of
310 * Makefile.in (cppmain): Depend on cppfiles.o.
311 (fix-header): Likewise.
312 (cppfiles.o): New target.
313 * configure.in (--enable-c-cpplib): Add cppfiles.o to
314 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
316 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
318 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
319 if pending_types is non-zero.
320 (dwarfout_finish): Verify pending_types is zero before finishing.
322 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
324 * expr.c (convert_move): Use shifts to perform the move if a
325 suitable extend pattern cannot be found. Code written by
326 Richard Henderson <rth@cygnus.com>.
328 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
330 * regclass.c (renumber, regno_allocated): New static variables, moved
331 out of allocate_reg_info.
332 (allocate_reg_info): Move these two variables outside the function.
333 Move code to free memory into new function free_reg_info.
334 (free_reg_info): New function, broken out of allocate_reg_info.
335 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
336 * rtl.h (allocate_reg_info): Don't declare.
337 (free_reg_info): Declare.
339 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
341 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
343 * toplev.c (compile_file): Temporarily revert last change.
345 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
347 * c-typeck.c (convert_for_assignment): Parenthesize.
349 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
351 * reload1.c (delete_output_reload): Avoid ambigous else.
353 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
355 * toplev.c (compile_file): Call allocate_reg_info to free register
357 * rtl.h (allocate_reg_info): Declare.
359 * PROJECTS: Remove entry for local spilling.
361 * final.c (cleanup_subreg_operands): New function.
362 (final_scan_insn): Use it.
363 (alter_subreg): Clear the "used" field when we turn a SUBREG into
365 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
366 operands when reload has finished.
367 * reload.h (cleanup_subreg_operands): Declare..
368 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
369 reload. Handled in reload itself.
371 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
373 * reload1.c (verify_initial_offsets): New function.
374 (reload): Call it after reload_as_needed. Also verify that the frame
375 size stays constant during reload_as_needed.
376 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
378 * reload.h (struct insn_chain): Add need_operand_change element.
379 * reload1.c (new_insn_chain): Clear it.
380 (calculate_needs_all_insns): Set it; don't overload need_reload.
381 (reload_as_needed): Use it.
383 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
384 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
385 and reload_address_index_reg_class.
386 (find_reloads_address_1): Likewise.
387 * reload.h (reload_address_base_reg_class,
388 reload_address_index_reg_class): Don't declare.
389 * reload1.c (reg_old_renumber, pseudo_previous_regs,
390 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
391 (used_spill_regs): Now static.
392 (reload_address_base_reg_class, reload_address_index_reg_class,
393 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
394 basic_block_needs, max_needs, group_size, group_mode, max_groups,
395 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
398 (init_reload): Delete code to compute base/index reg classes.
399 (reload): Delete variable J.
400 Delete code to manage basic_block_needs.
401 Don't compute regs_explicitly_used.
402 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
403 pseudo_previous_regs.
404 Initialize bad_spill_regs_global.
405 Don't call order_regs_for_reload here.
406 Don't initialize spill_reg_order and n_spills.
407 Don't forbid explicitly used regs to be used for spill regs.
408 Change main loop to infinite loop, with explicit break statements.
409 Make SOMETHING_CHANGED variable local to that loop.
410 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
411 max_groups_insn, max_nongroups_insn, group_size, group_mode.
412 Make sure spilled_speudos is cleared before calling spill_hard_reg or
414 Don't call dump_needs.
415 Delete code to reset potential_reload_regs.
416 Delete code to terminate loop conditional on the global needs variables
417 showing no further needs.
418 (calculate_needs_all_insns): Return void. All callers changed.
419 Initialize somehing_needs_elimination here, not in reload.
420 Delete avoid_return_reg kludge.
421 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
423 Initialize the group_mode and group_size elements of the arg CHAIN.
424 Delete code to manage basic_block_needs.
425 Operate on elements of CHAIN instead of global variables.
426 Delete avoid_return_reg kludge.
427 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
429 Operate on elements of CHAIN instead of global variables.
430 Delete special SMALL_REGISTER_CLASSES code.
431 Delete spill_failure code; now in new_spill_reg.
432 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
434 Operate on elements of CHAIN instead of global variables.
435 (maybe_mark_pseudo_spilled): New static function.
436 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
438 Operate on elements of CHAIN instead of global variables.
439 Call order_regs_for_reload here, not in reload.
440 Initialize spill_reg_order and n_spills.
441 Simplify test whether an asm insn is involved.
442 Delete spill_failure code; now in new_spill_reg.
443 Call maybe_mark_pseudo_spilled for everything marked as live in
444 CHAIN. Merge CHAIN's used_spill_regs into the global variable
446 (dump_needs): Take CHAIN arg. No longer static, to prevent the
447 compiler from optimizing this function (now unused) away.
448 Operate on elements of CHAIN instead of global variables.
449 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
451 Operate on elements of CHAIN instead of global variables.
452 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
453 take CHAIN arg. All callers changed.
454 Operate on elements of CHAIN instead of global variables.
455 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
456 CHAIN, NONGROUP args. Return void. All callers changed.
457 Verify caller isn't trying to spill a pseudo.
458 Simplify test for illegal reg, just use bad_spill_regs.
459 Generate better error messages.
460 Operate on elements of CHAIN instead of global variables.
461 Mark spilled register in CHAIN's used_spill_regs element.
462 Don't call spill_hard_reg.
463 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
464 Mark spilled hard regs in bad_spill_regs_global.
465 Mark affected pseudos in spilled_pseudos, but don't spill them.
466 (ior_hard_reg_set): New static function.
467 (finish_spills): Return int. All callers changed.
468 Compute spill_reg_order, n_spills and spill_regs here. Also update
469 regs_ever_live for regs used as spills.
470 For every pseudo in spilled_pseudos, spill it and mark the previous
471 hard reg it had in pseudo_previous_regs. Compute which hard regs
472 arseudo): New static function.
473 (order_regs_for_reload): Take CHAIN arg. All callers changed.
474 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
475 hard registers explicitly used across the current insn into the set.
476 Compute hard_reg_n_uses taking only pseudos live across this insn
478 Tweak sorting of potential_reload_regs.
479 (compare_spill_regs): Delete function.
480 (reload_as_needed): Don't sort the spill_regs array, it's computed
481 in proper order in finish_spills.
482 Delete avoid_return_reg kludge.
483 Delete code to manage basic_block_needs.
484 (allocate_reload_reg): Minor speed/readability tweaks.
485 Operate on elements of CHAIN instead of global variables.
486 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
487 Delete avoid_return_reg kludge.
488 Initialize reload_reg_used from CHAIN's used_spill_regs element.
489 Delete unused label FAIL.
490 (reload_combine): Replce reload_address_index_reg_class with
492 Don't use used_spill_regs to determine information about lifetime of
495 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
497 * toplev.c (display_help): Ignore empty target specific
498 options, and if -W is also specified on the command line then
499 display undocumented options.
501 * config/arm/arm.c: Updated with changes in devo sources.
502 * config/arm/arm.h: Updated with changes in devo sources.
503 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
504 * config/arm/lib1thumb.asm: Add ELF support.
506 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
508 * collect2.c (aix64_flag): New variable.
509 (main, case 'b'): Parse it.
510 (GCC_CHECK_HDR): object magic number must match mode.
511 (scan_prog_file): Only check for shared object if valid header.
512 Print debugging if header/mode mismatch.
514 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
516 Added support for arm-elf-linux configuration, submitted by Philip
517 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
518 code developed by Catherine Moore <clm@cygnus.com>. The following
521 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
524 * configure: Regenerated.
526 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
527 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
528 definitions conditional on their not having been already defined.
530 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
531 and .type directives, and add "(PLT)" qualification to function
534 * config/arm/linux.h: Deleted. This file is now superceeded by
535 either linux-elf.h or linux-aout.h.
537 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
538 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
540 Move definitions from old linux.h file here.
542 * config/arm/elf.h: New file. Generic ARM/ELF support.
544 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
546 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
548 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
549 using the 26bit APCS.
551 * config/arm/unknown-elf.h: New file. Support for OS'es other
554 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
557 * config/arm/coff.h: Include aout.h for basic assembler macros.
558 Add support for -mstructure_size_boundary=<n> command line option.
560 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
561 command line option. Make macro definitions conditional on their
562 not having been already defined.
564 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
568 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
570 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
571 has been changed to not include a newline. Use this macro instead.
572 (output_enumeral_list, const_value_attribute, name_attribute,
573 comp_dir_attribute, prototyped_attribute, producer_attribute,
574 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
575 dwarfout_file_scope_decl, generate_new_sfname_entry,
576 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
577 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
579 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
581 * combine.c (subst): Process the inputs to a parallel asm_operands
584 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
586 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
588 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
590 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
592 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
594 * version.c: Bump for snapshot.
596 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
598 * stmt.c (expand_fixup): Set fixup->before_jump to a
599 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
601 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
603 * Makefile.in (recog.o): Depend on toplev.h.
604 (insn-emit.o): Depend on recog.h.
605 (insn-peep.o): Depend on recog.h and insn-config.h.
607 * combine.c (simplify_set): Remove unused variable `scratches'.
609 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
610 and `idx' in macro conditional controlling their use.
612 * genemit.c (main): Make the generated output file include
613 recog.h. Don't have it declare `insn_operand_constraint', since
614 we get it from recog.h.
616 * genpeep.c (main): Make the generated output file include
617 insn-config.h and recog.h.
619 * recog.c: Include toplev.h.
620 (extract_insn): Remove unused variable `p'.
622 * regclass.c (fix_register): Add missing braces around initializer
624 (allocate_reg_info): Move variable `i' into the scope where it is
625 used. Change its type to `size_t'.
627 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
629 * reload.c (push_reload): When merging reloads, make sure
630 that reload_in_reg and reload_in are from the same reload in
633 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
635 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
636 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
638 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
640 * loop.c (loop_has_tablejump): New variable.
641 (prescan_loop): Scan for it.
642 (insert_bct): Replace explicit scan with use of it.
643 * regclass.c (regclass): Restore loop variable j.
644 (record_reg_classes): Deterine op_types modifiers and initialize
645 classes[i] before matching constraints. Handle matching
648 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
650 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
653 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
655 * mips.h (EXTRA_SPECS): Add missing initializers.
657 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
659 * sparc.h (EXTRA_SPECS): Add missing initializers.
660 (sparc_defer_case_vector): Provide a prototype.
662 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
663 comparing it to the result of a pointer subtraction.
665 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
667 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
668 the argument to (unsigned char).
670 * alpha.h (EXTRA_SPECS): Add missing initializers.
671 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
674 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
676 * flow.c (life_analysis_1): Enable "rescan" code after reload.
677 (propagate_block): Delete dead code after reload.
679 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
680 back Oct 15, 1998 change.
681 * haifa-sched.c (update_flow_info): Likewise.
682 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
684 * mn10200.md (truncated shift): Accept constant inputs too.
686 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
688 * machmode.h (mode_mask_array): No longer const.
689 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
691 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
693 * frame.c: Somewhat explain `FDE'.
694 Suggested by Brendan Kehoe
696 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
698 * expr.c (pending_chain): Move up.
699 (save_expr_status): Do save pending_chain.
700 (restore_expr_status): And restore it.
701 * function.h (struct function): Add pending_chain.
703 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
705 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
706 did not match the code.
708 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
710 * regclass.c (regclass): Break out some code into new function
711 scan_one_insn, and into regclass_init.
712 (init_cost): New static variable, moved out of regclass.
713 (regclass_init): Initialize it here, not in .
714 (scan_one_insn): New static function, broken out of regclass.
715 * recog.c (apply_change_group): Break out some code into new
716 function insn_invalid_p.
717 (insn_invalid_p): New static fn, broken out of apply_change_group.
719 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
721 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
722 reg_reloaded_contents matches incremented pseudo.
724 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
726 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
728 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
729 addressing modes with side effects. These are currently
730 placeholders for the C4x target.
732 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
734 * loop.c (express_from): Make sure that when generating a PLUS of
735 a PLUS, any constant expression appears on the outermost PLUS.
737 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
739 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
740 works if "$(srcdir)" != ".".
742 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
744 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
745 existing SUBREG if we can, otherwise abort.
747 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
749 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
750 `restrict' is applied to a non-pointer variable.
752 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
754 * invoke.texi: Document -flang-isoc9x.
756 * Makefile.in (OBJS): Add splay-tree.o.
757 (c-common.o): Depend on rtl.h.
758 (splay-tree.o): List dependencies and provide build rule.
760 * rtl.h (record_alias_subset): New function.
761 * alias.c: Include splay-tree.h.
762 (alias_set_entry): New type.
763 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
764 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
765 (mems_in_disjoin_alias_sets_p): New function.
766 (alias_set_compare): Likewise.
767 (insert_subset_children): Likewise.
768 (get_alias_set_entry): Likewise.
770 * tree.h (TYPE_RESTRICT): New macro.
771 (TYPE_UNQUALIFIED): New manifest constant.
772 (TYPE_QUAL_CONST): Likewise
773 (TYPE_QUAL_VOLATILE): Likewise.
774 (TYPE_QUAL_RESTRICT): Likewise.
775 (tree_type): Add restrict_flag. Reduce count of free bits.
776 (DECL_POINTER_ALIAS_SET): New macro.
777 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
778 (tree_decl): Add pointer_alias_set.
779 (build_qualified_type): New function.
780 (build_type_variant): Define in terms of build_qualified_type.
781 * tree.c (set_type_quals): New function.
782 (make_node): Initializae DECL_POINTER_ALIAS_SET.
783 (build_type_attribute_variant): Use build_qualified_type and
785 (build_type_variant): Rename, and modify, to become...
786 (build_qualified_type): New function.
787 (build_complex_type): Use set_type_quals.
789 * c-tree.h (C_TYPE_OBJECT_P): New macro.
790 (C_TYPE_FUNCTION_P): Likewise.
791 (C_TYPE_INCOMPLETE_P): Likewise.
792 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
793 (c_apply_type_quals_to_decl): New function.
794 (c_build_qualified_type): New function.
795 (c_build_type_variant): Define in terms of c_build_qualified_type.
796 (flag_isoc9x): Declare.
797 * c-typeck.c (qualify_type): Use c_build_qualified_type.
798 (common_type): Change to use TYPE_QUALS.
799 (comptypes): Likewise.
800 (convert_for_assignment): Likewise.
801 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
802 * c-decl.c (flag_isoc9x): Define.
803 (c_decode_option): Handle -flang-isoc9x.
804 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
805 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
806 * c-lex.c (init_lex): Deal with restrict.
807 (init_lex): Don't treat restrict as a reserved word in
808 -traditional mode, or without -flang-isoc9x.
809 * c-lex.h (rid): Add RID_RESTRICT.
810 * c-parse.gperf (restrict, __restrict, __restrict__): Make
811 equivalent to RID_RESTRICT.
812 * c-parse.in (TYPE_QUAL): Update comment.
813 * c-common.c: Include rtl.h.
814 (c_find_base_decl): New function.
815 (c_build_type_variant): Rename, and modify, to become ...
816 (c_build_qualified_type): New function.
817 (c_apply_type_quals_to_decl): Likewise.
818 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
819 a particular alias set for the reference.
820 * toplev.c (documented_lang_options): Add -flang-isoc9x.
822 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
824 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
825 command line switches.
827 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
829 * reload.c (loc_mentioned_in_p): Add missing braces to bind
832 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
834 * gcc.c (option_map): Added --classpath and --CLASSPATH.
836 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
838 * regclass.c (fix_register): Add error message.
839 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
842 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844 * c-decl.c (warn_missing_noreturn): New global variable.
845 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
846 (finish_function): Implement missing noreturn warning.
848 * c-tree.h (warn_missing_noreturn): Declare extern.
850 * invoke.texi: Document new flags.
852 * toplev.c (documented_lang_options): Add description.
854 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
856 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
857 loop optimization stable for the C4x.
858 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
859 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
860 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
862 (c4x_address_conflict): Be more paranoid when packing a volatile
863 memref in a parallel load/store.
865 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
867 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
868 repeat_block_filler): Deleted.
869 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
870 Condition code not set if destination register from 'c' class.
871 (*subbqi3_carry_clobber): Fix typo.
873 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
875 * reorg.c (steal_delay_list_from_target) Check for insns that
876 modify the condition codes and effect the direction of the jump
879 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
881 * function.c (purge_addressof_1): Replace call to
882 emit_insns_before() with emit_insn_before().
884 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
886 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
888 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
890 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
892 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
894 * gcse.c (compute_hash_table): Correctly identify hard regs which are
895 clobbered across calls.
897 * loop.c (scan_loop): Be more selective about what invariants are
900 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
902 * version.c: Bump for snapshot.
904 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
906 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
907 static eh_context structure.
909 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
911 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
913 (try_combine): Don't update max_scratch.
914 * flow.c (max_scratch, num_scratch): Delete variables.
915 (life_analysis_1): Don't initialize max_scratch.
916 (propagate_block): Don't update max_scratch.
917 (mark_set_1): Don't increment num_scratch.
918 * regs.h (max_scratch): Delete declaration.
920 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
922 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
923 is nonzero. This is temporary!
925 * sched.c (update_flow_info): Handle death notes made invalid by
926 instruction splitting. Partially reverts Oct 15, 1998 patch.
927 * haifa-sched.c (update_flow_info): Likewise.
929 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
931 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
932 if it has a nonzero DECL_INITIAL.
934 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
936 * Makefile.in (flow.o): Depend on recog.h.
938 * cpplib.h (directive_table): Add missing initializiers.
939 (finclude): Change type of variable `bsize' to size_t.
941 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
943 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
945 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
946 `int' when comparing against one.
947 (cpp_file_line_for_message): Mark parameter `pfile' with
949 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
951 * flow.c: Include recog.h.
952 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
954 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
955 `f' with ATTRIBUTE_UNUSED.
956 (reposition_prologue_and_epilogue_notes): Likewise.
958 * genopinit.c (gen_insn): Cast argument of ctype functions to
961 * haifa-sched.c: Include recog.h.
962 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
963 comparing against one.
965 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
967 * mips-tfile.c (parse_end): Cast the argument of ctype function to
969 (parse_ent): Likewise.
970 (parse_input): Likewise.
972 * optabs.c (init_libfuncs): Likewise.
974 * protoize.c (find_rightmost_formals_list): Likewise.
976 * recog.h (const_double_operand): Fix typo in prototype.
978 * tlink.c (scan_linker_output): Cast the argument of ctype
979 function to `unsigned char'.
981 * toplev.c (check_lang_option): Cast the result of `strlen' to
982 `int' when comparing against one.
984 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
986 * gcse.c (dump_cuid_table): Correct typo.
988 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
990 * toplev.c (display_help): Prepend '-m' to target specific
992 (check_lang_option): Ignore text after end of first word of a
993 language specific option.
995 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
997 * reload1.c (reg_used_by_pseudo): New static variable.
998 (choose_reload_regs): Initialize it.
999 Use it instead of testing spill_reg_order to determine whether a
1000 pseudo is live in a hard register across the current insn.
1001 Fix a typo in a reference to reload_reg_rtx.
1003 * flow.c (propagate_block): Replace code that computes and uses
1004 regs_sometimes_live with simpler code that just walks the set of
1005 currently live registers.
1007 * Makefile.in (insn-extract.o): Fix dependencies.
1008 * genextract.c (main): Generate includes for insn-config.h and
1010 Delete generation of declarations which are now in recog.h.
1011 * genrecog.c (main): Delete generation of definitions which are
1013 * local-alloc.c (block_alloc): Use extract_insn and the variables
1014 it sets up instead of looking up values by insn_code.
1015 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1016 recog_dup_num): Define here instead of generating the definition in
1018 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1019 recog_operand_mode, recog_constraints, recog_operand_address_p):
1021 (extract_insn): New function.
1022 * recog.h (extract_insn): Declare function.
1023 (which_alternative, recog_n_operands, recog_n_dups,
1024 recog_n_alternatives, recog_operand_mode, recog_constraints,
1025 recog_operand_address_p): Declare variables.
1026 * regclass.c (n_occurrences): New static function.
1027 * reload.c (n_occurrences): Delete function.
1028 (find_reloads): Use extract_insn.
1029 * reload.h (n_occurrences): Delete declaration.
1031 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1033 * reload1.c (reload_as_needed): Fix test for when to call
1034 update_eliminable_offsets.
1036 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1038 Fix consistency problems with reg_equiv_{mem,address};
1039 Improve reload inheritance;
1041 * reload.c (reload_out_reg): New variable.
1042 (loc_mentioned_in_p, remove_address_replacements): New functions.
1043 (remove_replacements): Deleted.
1044 (push_reload): Set reload_out_reg[i].
1045 When merging, also set reload_{in,out}_reg[i], and remove
1046 duplicate address reloads.
1047 (combine_reloads): Copy reload_out_reg[i].
1048 (find_reloads): Do make_memloc substitution also when
1049 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1051 Include *recog_operand_loc in commutativity operand changes.
1052 Generate optional output reloads.
1053 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1054 processing operands. Call make_memloc in reg_equiv_address code.
1055 Set *recog_operand_loc only after processing operands, and only
1056 if replace is true. Return a value.
1057 When changing address reload types for operands that didn't get
1058 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1059 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1060 Don't emit USEs for pseudo SUBREGs when not replacing.
1061 (find_reloads_address): Do make_memloc substitution also when
1062 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1064 (find_reloads_toplev): Likewise.
1065 Call make_memloc in reg_equiv_address code.
1066 (debug_reload_to_stream): Add code to output reload_out_reg.
1067 (make_memloc): Delete local variable i, ifdefed out code, and
1068 references to memlocs and n_memlocs.
1069 (memlocs, n_memlocs): Delete.
1070 (push_secondary_reload): Clear reload_out_reg.
1071 (find_reloads_address_1): Provide memrefloc argument to all calls
1072 to find_reloads_address.
1073 In AUTO_INC code, handle non-directly addressable equivalences properly.
1074 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1075 (find_reloads): Add return type.
1076 (remove_address_replacements, deallocate_reload_reg): Declare.
1077 * reload1.c (num_not_at_initial_offset): No longer static.
1078 (delete_address_reloads, delete_address_reloads_1): Likewise.
1079 (deallocate_reload_reg): New function.
1080 (spill_reg_stored_to): New array.
1081 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1082 (eliminate_regs_in_insn): Move assignments of previous_offset and
1083 max_offset fields, and recalculation of num_not_at_initial_offset
1084 into new static function:
1085 (update_eliminable_offsets) .
1086 (reload_as_needed): Call update_eliminable_offsetss after calling
1088 Call forget_old_reloads_1 with contents of reloaded auto_inc
1089 expressions if the actual addressing can't be changed to match the
1091 (choose_reload_regs): For inheritance, replace
1092 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1093 remove stand-alone reload_reg_used_at_all test.
1094 Use reload_out_reg to determine which reload regs have output reloads.
1095 Treat reload_override_in more similar to inherited reloads.
1096 Handle (subreg (reg... for inheritance.
1097 For flag_expensive_optimizations, add an extra pass to remove
1098 unnecessary reloads from known working inheritance.
1099 Delete obsolete code for pseudos replaced with MEMs.
1100 Handle inheritance from auto_inc expressions.
1101 (emit_reload_insns): If reload_in is a MEM, set OLD to
1103 Don't reload directly from oldequiv; if it's a pseudo with a
1104 stack slot, use reload_in[j].
1105 Check that reload_in_reg[j] is a MEM before replacing reload_in
1106 from reg_reloaded_contents.
1107 Include non-spill registers in reload inheritance processing.
1108 Also try to use reload_out_reg to set spill_reg_store /
1109 reg_last_reload_reg.
1110 In code to set new_spill_reg_store, use single_set to find out if
1111 there is a single set.
1112 Add code that allows to delete optional output reloads.
1113 Add code to allow deletion of output reloads that use no spill reg.
1114 At the end, set reload_override_in to oldequiv.
1115 Also call delete_output_reload if reload_out_reg is equal to old
1117 Add code to call delete_output_reload for stores with no matching load.
1118 Set / use spill_reg_stored_to.
1119 Handle case where secondary output reload uses a temporary, but
1120 actual store isn't found.
1121 When looking for a store of a value not loaded in order to call
1122 delete_output_reload, count_occurences should return 0 for no
1123 loads; but discount inherited input reloadill_reg_stored_to.
1124 Do checks for extra uses of REG. Changed all
1126 Use delete_address_reloads.
1127 (reload): Take return value of find_reloads into account.
1128 If a no-op set needs more than one reload, delete it.
1129 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1130 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1131 for the same operand.
1132 (clear_reload_reg_in_use): Check for other reloads that keep a
1134 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1135 RELOAD_FOR_OPADDR_ADDR.
1136 Take into account when an address address reload is only needed
1137 for the address reload we are considering.
1138 (count_occurrences): Use rtx_equal_p for MEMs.
1139 (inc_for_reload): Return instruction that stores into RELOADREG.
1140 New argument two, IN, and rtx. Changed all callers.
1141 (calculate_needs_all_insns, reload_as_needed):
1142 Don't clear after_call for a CLOBBER.
1143 Keep track of how many hard registers need to be copied from
1144 after_call, and don't clear after_call before we have seen
1145 that much copies, or we see a different instruction.
1147 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1149 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1150 after reload has completed.
1152 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1154 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1155 a macro name and the next token with a single blank if that whitespace
1156 is in a macro buffer and the next token is not '('.
1158 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1160 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1162 (skip_if_group): Ditto.
1163 (skip_to_end_of_comment): Ditto.
1165 (discard_comments): Ditto.
1166 (change_newlines): Ditto.
1168 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1170 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1172 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1174 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1175 (TARGET_OPTIONS): Add --help documentation.
1177 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1179 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1181 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1183 * fixinc/* Moved in from ../contrib directory in preparation
1184 for integrating it into the normal build process. In particular,
1185 fixinc/Makefile.in must be config-ed into the build directory
1186 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1187 ./configure.in will be "in the mail" momentarily.
1189 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1191 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1192 accidently walk into the free list. Comment how that can happen.
1193 (invalidate): Fix indentation.
1195 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1196 Jeffrey A Law (law@cygnus.com)
1198 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1199 reload. Never perform rescans of the insn chain after reload.
1200 (propagate_block): Do not delete insn or create new autoinc addressing
1203 * jump.c (jump_optimize): Unconditionally use the code that was
1204 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1205 * reload1.c (reload): When reloading is finished, delete all
1206 REG_DEAD and REG_UNUSED notes.
1207 (emit_reload_insns): Delete all code that was conditional on
1208 PRESERVE_DEATH_INFO_REGNO_P.
1209 (no_longer_dead_regs): Delete variable.
1210 (reload_cse_delete_death_notes): Delete function.
1211 (reload_cse_no_longer_dead): Delete function.
1212 (reload_cse_regs_1): Delete all code to handle deletion of death
1214 (reload_cse_noop_set_p): Likewise.
1215 (reload_cse_simplify_set): Likewise.
1216 (reload_cse_simplify_operands): Likewise.
1217 (reload_cse_move2add): Likewise.
1218 * reorg.c (used_spill_regs): Delete declaration.
1219 (max_label_num_after_reload): Delete declaration.
1220 (find_dead_or_set_registers): Don't assume that spill regs are
1221 dead at a CODE_LABEL.
1222 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1224 * sched.c (sched_analyze_insn): Likewise.
1225 (update_flow_info): Likewise.
1226 * haifa-sched.c (sched_analyze_insn): Likewise.
1227 (update_flow_info): Likewise.
1228 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1229 * toplev.c (max_label_num_after_reload): Delete variable.
1230 (rest_of_compilation): Don't set max_label_num_after_reload.
1231 Call life_analysis after reload_cse_regs if optimizing.
1232 * config/gmicro/gmicro.h: Delete comment referring to
1233 PRESERVE_DEATH_INFO_REGNO_P.
1234 * config/i386/i386.h: Likewise.
1235 * config/m88k/m88k.h: Likewise.
1236 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1237 * config/sh/sh.h: Likewise.
1239 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1241 * loop.c (strength_reduce): Restore marking bct_p as
1243 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1244 HAVE_decrement_and_branch_on_count.
1245 (small_data_operand): Remove TARGET_ELF condition for marking
1246 parameters ATTRIBUTE_UNUSED.
1248 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1250 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1251 (SELECT_SECTION): Resync with svr4.h.
1253 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1255 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1258 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1260 * c-pragma.c (handle_pragma_token): Test for null tree before
1261 dereferencing TREE_CODE.
1263 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1265 * config/c4x/c4x.c: Convert to use GEN_INT.
1266 (c4x_parallel_process): Rework to handle new repeat loop structure.
1268 * config/c4x/c4x.md: Convert to use GEN_INT.
1269 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1270 (decrement_and_branch_on_count): Likewise.
1272 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1273 loop.c has the desired functionality.
1274 (rc_reg_operand): New prototype.
1276 * config/c4x/t-c4x: Can now build all front ends.
1278 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1280 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1282 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1284 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1285 * config/t-rtems: Do not install assert.h -- use newlib's.
1287 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1289 * combine.c (combine_instructions): When finished, call init_recog.
1290 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1292 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1294 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1296 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1298 * cppalloc.c (memory_full): Mark function prototype with
1301 * demangle.h (collect_exit): Likewise.
1303 * fix-header.c (v_fatal, fatal): Likewise.
1305 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1308 * gcov.c (print_usage): Likewise.
1310 * genattr.c (fatal, fancy_abort): Likewise.
1312 * genattrtab.c (fatal, fancy_abort): Likewise.
1314 * gencodes.c (fatal, fancy_abort): Likewise.
1316 * genconfig.c (fatal, fancy_abort): Likewise.
1318 * genemit.c (fatal, fancy_abort): Likewise.
1320 * genextract.c (fatal, fancy_abort): Likewise.
1322 * genflags.c (fatal, fancy_abort): Likewise.
1324 * genopinit.c (fatal, fancy_abort): Likewise.
1326 * genoutput.c (fatal, fancy_abort): Likewise.
1328 * genpeep.c (fatal, fancy_abort): Likewise.
1330 * genrecog.c (fatal, fancy_abort): Likewise.
1332 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1333 __sjpopnthrow, __throw): Likewise.
1335 * objc/objc-act.c (objc_fatal): Likewise.
1337 * protoize.c (usage, aux_info_corrupted,
1338 declare_source_confusing): Likewise.
1340 * rtl.c (dump_and_abort): Likewise.
1342 * rtl.h (sets_cc0_p): Likewise.
1344 * toplev.c (float_signal, pipe_closed): Likewise.
1346 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1348 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1349 when generating the decision tree for the general case.
1351 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1352 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1354 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1356 * Makefile.in (sched.o): Depend on recog.h.
1358 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1359 (unsigned) when comparing against one.
1360 (find_base_value): Likewise.
1361 (record_base_value): Cast variable `regno' to (unsigned) when
1362 comparing against one. Cast the result of REGNO() macro to
1363 (unsigned) when comparing against one.
1364 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1366 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1367 variable where an unsigned index is needed.
1369 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1370 before comparing against one.
1372 * collect2.c: Add prototypes for functions `error', `fatal' and
1373 `fatal_perror'. Make these functions take variable arguments
1374 instead of faking it with a fixed number of args.
1375 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1378 * combine.c (can_combine_p): Mark parameter `pred' with
1380 (find_split_point): Cast variable `src' to (unsigned
1381 HOST_WIDE_INT) when comparing against one.
1382 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1383 (simplify_logical): Likewise.
1384 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1385 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1386 HOST_WIDE_INT) in shift.
1387 (simplify_and_const_int): Cast result of INTVAL() macro to
1388 `unsigned HOST_WIDE_INT' when comparing against one.
1389 (merge_outer_ops): Cast variable const0 to `unsigned
1390 HOST_WIDE_INT' when comparing against the result of
1391 GET_MODE_MASK() macro.
1392 (simplify_comparison): Likewise for variable `c0'. Cast variable
1393 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1394 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1395 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1396 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1397 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1398 comparing against one.
1399 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1401 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1402 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1403 (output_block_move): Cast `sizeof' expression to (int) when
1404 comparing against one.
1405 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1407 (save_restore_insns): Cast `base_offset' to `long' to match format
1408 specifier in fprintf.
1410 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1411 to `enum machine_mode'.
1413 * flow.c (life_analysis_1): Remove unused variable `insn'.
1415 * gcc.c (translate_options): Move variables `j' and `k' into the
1416 scope in which they are used. Change their types to `size_t'.
1417 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1418 (read_specs): Likewise.
1419 (process_command): Cast `sizeof' to (int) when comparing against one.
1420 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1421 (handle_braces): Cast both sides of `==' expression to `long' to
1422 ensure sign matching.
1423 (main): Cast variable `i' to `int' when comparing against one.
1425 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1426 int to size_t. Cast variable `i' to size_t when comparing against
1429 * genattrtab.c (convert_set_attr_alternative): Remove unused
1430 parameter `insn_code'. All callers changed.
1431 (convert_set_attr): Likewise.
1433 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1434 size_t when comparing against one. Likewise for variable `len'.
1436 * global.c (global_alloc): Cast variable `max_regno' to size_t
1437 when comparing against one. Likewise for variable `max_allocno'.
1439 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1441 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1442 `set' with ATTRIBUTE_UNUSED.
1443 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1446 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1447 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1448 (get_condition): Cast variable `const_val' to `unsigned
1449 HOST_WIDE_INT' when comparing against one. Cast unsigned
1450 expression to HOST_WIDE_INT when comparing against one.
1451 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1452 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1453 `unsigned' when comparing against one.
1455 * protoize.c (is_id_char): Change type of parameter `ch' to
1457 (munge_compile_params): Cast argument of ctype macro to (const
1459 (process_aux_info_file): Cast variable `aux_info_size' to int when
1460 comparing against one.
1461 (forward_to_next_token_char): Cast argument of ctype macro to
1462 `const unsigned char'.
1463 (edit_formals_lists): Likewise.
1464 (find_rightmost_formals_list): Likewise.
1465 (add_local_decl): Likewise.
1466 (add_global_decls): Likewise.
1467 (edit_fn_definition): Likewise.
1468 (do_cleaning): Likewise.
1469 (scan_for_missed_items): Likewise.
1470 (edit_file): Cast variable `orig_size' to (int) when comparing
1472 (main): Cast argument of ctype macro to `const unsigned char'.
1474 * recog.c (const_int_operand): Mark parameter `mode' with
1477 * regclass.c (record_reg_classes): Change type of variable `c' to
1478 `unsigned char'. Cast `char' array index to `unsigned char'.
1480 * reload.c (push_secondary_reload): Cast argument to
1481 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1483 * reload1.c (calculate_needs): Cast `char' array index to
1485 (set_label_offsets): Change type of variable `i' to unsigned int.
1486 Cast result of XVECLEN() macro to unsigned when comparing against
1488 (mark_not_eliminable): Change type of variable `i' to unsigned.
1489 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1490 when comparing against one.
1491 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1492 comparing against one.
1493 (choose_reload_regs): Hide unused label `fail'.
1494 (reload_cse_simplify_operands): Cast `char' array index to
1496 (reload_combine_note_store): Mark parameter `set' with
1497 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1499 (reload_cse_move2add): Remove unused variable `src2'.
1501 * sched.c: Include recog.h.
1502 (sched_note_set): Remove unused parameter `b'. All callers
1504 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1505 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1506 when comparing against one.
1508 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1509 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1510 comparing against one.
1512 * unroll.c (precondition_loop_p): Remove unused parameter
1513 `loop_end'. All callers changed.
1515 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1517 * reload1.c (maybe_fix_stack_asms): New static function.
1520 * reload.h (compute_use_by_pseudos): Declare.
1522 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1523 (something_needs_reloads): Delete variable.
1524 (finish_spills): New function.
1525 (compute_use_by_pseudos): New function.
1527 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1528 Use the reload_insn_chain instead of walking the rtl directly.
1530 (reload): Allocate and free spilled_pseudos.
1531 Ensure that all calls of spill_hard_reg are followed by a call to
1533 Use the insns_need_reload list instead of something_needs_reloads
1534 to find out if reload_as_needed must be called.
1535 Clear unused_insn_chains at the end.
1537 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1539 Delete code to keep track of current basic block.
1540 Walk reload_insn_chain instead of the rtl structure. Build the
1541 insns_need_reload chain.
1542 Remember which insns need reloading/elimination by setting the
1543 appropriate fields in struct insn_chain, not by putting modes on the
1546 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1547 arg INSN. All callers changed.
1548 Delete declaration of struct needs.
1549 Don't set something_needs_reloads.
1550 Record insn needs in the CHAIN argument.
1552 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1554 (reload_as_needed): Lose FIRST arg. All callers changed.
1555 Walk the reload_insn_chain instead of the rtx structure.
1556 Delete code to keep track of current basic block.
1557 Rename one of the NEXT variables to OLD_NEXT.
1559 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1561 (choose_reload_regs): Likewise.
1563 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1566 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1567 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1568 (hard_regs_live, hard_regs_need_restore): Delete variables.
1569 (n_regs_saved): Now static.
1570 (referenced_regs, this_insn_sets): New variables.
1572 (setup_save_areas): Restructure the code a bit.
1574 (restore_referenced_regs): Delete function.
1575 (mark_referenced_regs): New function, similar to the old
1576 restore_referenced_regs, but mark registers in referenced_regs.
1578 (clear_reg_live): Delete function.
1579 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1580 Only mark registers in this_insn_sets.
1582 (save_call_clobbered_regs): Rework this function to walk the
1583 reload_insn_chain instead of using the list of instructions directly.
1584 Delete code to keep track of register lives, compute live regs on the
1585 fly from information in the chain.
1586 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1587 then walk the set it computes and call insert_restore as appropriate.
1589 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1591 Restructure the code a bit. Test hard_regs_saved instead of
1592 hard_regs_need_restore.
1593 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1594 args. All callers changed.
1595 Restructure the code a bit. Use TO_SAVE to determine which regs to
1596 save instead of more complicated test.
1597 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1599 Create a new insn_chain structure for the new insn and place it
1602 * rtl.texi: Update documentation to reflect that reload no longer
1603 puts modes on the insns.
1605 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1607 * function.c (purge_addressof_1): Force the first argument of a
1608 CALL insn to memory.
1610 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1612 * rtl.h: Delete duplicate prototypes. Add some missing
1614 * rtlanal.c: (for_each_rtx): Formatting tweak.
1616 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1618 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1619 to be compatible with TI compiler.
1621 * Makefile.in (USER_H): Add va-c4x.h to definition.
1623 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1625 * function.c (purge_addressof_1): Fix typo in inequality: do
1626 bitfield optimization for equal mode sizes.
1627 * expmed.c (store_bit_field): Don't take subregs of subregs in
1628 the movstrict case. Tidy a potential problem in the multi-word case.
1629 (extract_bit_field): Likewise.
1631 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1633 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1635 Compute max_uid_for_flow by calling get_max_uid after the scan.
1636 (find_basic_blocks_1): Don't emit NOPs here.
1638 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1640 * alias.c (base_alias_check): Accept new args for the modes of the
1641 two references. Use them to determine if an AND can overlap. Update
1643 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1644 to determine if an AND can overlap.
1646 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1648 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1649 check. Add comment to document problems with TARGET_SUN_FPA version
1651 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1653 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1655 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1657 * c-common.c (print_char_table): Add missing initializers.
1658 (scan_char_table): Likewise.
1659 (time_char_table): Likewise.
1661 * c-decl.c (c_decode_option): Mark parameter `argc' with
1663 (declare_parm_level): Mark parameter `definition_flag' with
1666 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1667 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1670 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1672 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1674 (expand_call): Cast result of MIN() to (unsigned int) when
1675 comparing against an unsigned value.
1677 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1679 (make_definition): Remove unused parameter `op'. All callers
1681 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1682 comparing against the result of pointer arithmetic.
1684 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1685 when comparing against one.
1687 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1688 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1690 (output_die): Move variable `i' into the scope in which it is
1691 used. Change its type to `unsigned'.
1692 (output_die): Cast the result of `strlen' to (int) when passing it
1693 to ASM_OUTPUT_ASCII().
1694 (output_pubnames): Likewise.
1695 (output_line_info): Likewise.
1697 * emit-rtl.c (global_rtl): Add missing initializers.
1699 * explow.c (promote_mode): Mark parameter `for_call' with
1702 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1703 `unsigned HOST_WIDE_INT' when comparing against one.
1704 (synth_mult): Change type of variable `cost' to int.
1705 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1707 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1708 when comparing against one.
1709 (get_inner_reference): Change variable `alignment' to unsigned.
1710 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1711 int) when comparing against one.
1712 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1714 * fold-const.c (div_and_round_double): Cast BASE to
1715 (HOST_WIDE_INT) when comparing against one.
1717 * gencheck.c: Include gansidecl.h.
1718 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1720 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1721 `tcode' with ATTRIBUTE_UNUSED.
1723 * real.c (edivm): Cast constant value to (unsigned long) in
1724 expression compared against an unsigned value.
1726 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1727 comparing against one.
1728 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1729 when comparing against one.
1731 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1732 (unsigned int) when comparing against one. Likewise for
1734 (smallest_mode_for_size): Likewise.
1735 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1736 (restore_storage_status): Likewise.
1738 * toplev.c (debug_args): Add missing initializer.
1739 (f_options): Spelling correction. Add missing initializers.
1740 (documented_lang_options): Likewise.
1741 (debug_end_source_file): Mark parameter `lineno' with
1744 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1745 `decl' and `type' with ATTRIBUTE_UNUSED.
1747 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1748 when comparing against one.
1749 (assemble_variable): Mark parameter `top_level' with
1751 (assemble_external_libcall): Mark parameter `fun' with
1753 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1756 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1758 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1759 Replace use of r5 with use of r19.
1761 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1763 * config/v850/v850.c (compute_register_save_size): Allow for the
1764 fact that helper functions save all registers, not just those used
1767 Replace constant 31 with macro LINK_POINTER_REGNUM.
1769 * config/v850/v850.md: Use 'indirect_operand' rather than
1770 'memory_operand' for bit test/set/clear patterns.
1772 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1774 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1775 * varasm.c (assemble_start_function et al): Don't call
1776 ASM_GLOBALIZE_LABEL for weak symbols.
1778 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1780 * cse.c (equiv_constant): Check for NULL return from
1781 gen_lowpart_if_possible().
1783 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1785 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1787 * collect2.c (main): Pass -EL/-EB through to the compiler.
1789 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1791 * expr.c (push_block): Handle targets where the stack grows
1792 to higher addresses, but args grow to lower addresses and
1793 ACCUMULATE_OUTGOING_ARGS is not defined.
1795 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1797 * config/v850/v850.c (print_operand): Extend meaning
1798 of 'c' operands to support .vtinherit.
1800 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1802 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1803 Added ATTRIBUTE_UNUSED to unused function arguments.
1804 (rc_reg_operand): New predicate.
1805 (c4x_rptb_insert): New function.
1806 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1807 (c4x_optimization_options): New function.
1809 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1810 (decrement_and_branch_on_count): New pattern.
1811 (rptb_top): Modified pattern to work with BCT optimization.
1813 * config/c4x/c4x.h (RC_REG): New register class.
1814 (rc_reg_operand): Define prototype.
1815 (IS_RC_REG): New macro.
1816 (IS_RC_OR_PSEUDO_REG): New macro.
1817 (IS_RC_OR_PSEUDO_REGNO): New macro.
1818 (OPTIMIZATION_OPTIONS): Define.
1820 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1822 * collect2.c (extract_init_priority): No priority is 65535.
1824 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1826 * Makefile.in (build_tooldir): new variable, same as old
1827 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1828 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1829 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1831 * configure.in (gxx_include_dir): set default based on unlibsubdir
1832 * Makefile.in (tooldir): ditto
1833 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1834 gxx_include_dir, includedir and tooldir
1835 (protoize.o, unprotoize.o): ditto
1837 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
1839 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
1841 * config/arm/thumb.c (thumb_override_options): Add warning about
1842 PIC code not being supported just yet.
1844 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
1846 * flow.c: Update comment.
1847 (notice_stack_pointer_modification): New static function.
1848 (record_volatile_insns): Use it.
1849 (mark_regs_live_at_end): Mark the stack pointer as alive
1850 at the end of the function if current_function_sp_is_unchanging
1852 (life_analysis_1): Set current_function_sp_is_unchanging.
1853 * function.c: Define it.
1854 (init_function_start): Initialize it.
1855 * output.h: Declare it.
1856 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
1857 the stack pointer as alive at the end of the function if
1858 current_function_sp_is_unchanging is set.
1859 * i386.c (ix86_epilogue): Optimize the restoring
1860 of the stack pointer.
1862 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
1864 * version.c: Bump for snapshot.
1866 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
1868 * c-pragma.c (handle_pragma_token): If passed a token instead
1869 of a tree, use that as the pack value.
1871 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
1873 * flow.c (find_basic_blocks_1): Fix prototype.
1875 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
1877 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
1878 (struct tree_decl): New fields no_check_memory_usage.
1879 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
1880 (init_attributes): Register it as a new attribute.
1881 (decl_attributes): Set flags on functions given that attribute.
1882 * c-decl.c (duplicate_decls): Merge new attribute.
1883 * expr.h (current_function_check_memory_usage): Declare new var.
1884 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
1885 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
1886 current_function_check_memory_usage.
1887 * function.h: Add field to struct function.
1888 * function.c (current_function_check_memory_usage): Define it.
1889 (push_function_context_to, pop_function_context_from): Save and
1891 (expand_function_start): Set it, based on global flag and function
1894 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
1895 check non-automatic variables, to permit detection of writes to
1896 read-only locations in embedded systems without memory management.
1897 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
1898 when emitting chkr_set_right_libfunc call, even if the argument is
1899 BLKmode or variable-sized; don't abort.
1901 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
1902 symbols in Pmode, not VOIDmode.
1904 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1906 * cppexp.c: When forcing unsigned comparisons, cast both sides
1909 * cpphash.h: Move static declaration of hashtab[]...
1910 * cpphash.c: ...here.
1912 * cpplib.c: Cast difference of two pointers to size_t before
1913 comparing it to size_t. Cast signed to unsigned
1914 before comparing to size_t. (FIXME: struct argdata should use
1915 unsigned buffer sizes.)
1916 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
1917 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
1918 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
1919 size_t before comparison.
1921 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
1923 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
1924 (find_basic_blocks_1): Similarly.
1925 * output.h (find_basic_blocks): Fix prototype.
1926 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
1927 find_basic_blocks anymore.
1929 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
1931 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
1932 (sbitmap_free, sbitmap_vector_free): New macros.
1933 * output.h (rtl_dump_file): Declare.
1935 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
1937 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
1939 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1941 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
1943 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
1944 (divide): Remove unused variable `tmp'.
1945 (si_to_float): Cast numeric constant to (SItype) before comparing
1948 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
1950 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
1951 * gcc.c (add_preprocessor_option): Correct typo when allocating
1952 memory, sizeof() argument had one too many `*'.
1953 (add_assembler_option): Likewise.
1954 (add_linker_option): Likewise.
1955 * gcov.c (output_data): Likewise.
1956 * local-alloc.c (memref_used_between_p): Likewise.
1957 (update_equiv_regs): Likewise.
1958 * loop.c (strength_reduce): Likewise.
1959 * reg-stack.c (record_asm_reg_life): Likewise.
1960 (subst_asm_stack_reg): Likewise.
1961 * reorg.c (dbr_schedule): Likewise.
1963 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1965 * flow.c (life_analysis_1): Break out some functions.
1966 (find_basic_blocks_1): Likewise. Also move some variables out and
1968 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
1969 new static var nonlocal_label_list with it.
1970 (active_eh_region, nested_eh_region, label_value_list,
1971 nonlocal_label_list): New static variables.
1972 (make_edges, delete_unreachable_blocks, delete_block): New static
1973 functions, broken out of find_basic_blocks_1.
1974 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
1975 noop_move_p): New static functions, broken out of life_analysis_1.
1977 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
1979 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
1980 Take extra care for op0 now possibly being a subreg.
1981 (extract_bit_field): Likewise.
1982 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
1983 the reg to memory if there is no equal sized integral mode.
1984 * stor-layout.c (int_mode_for_mode): New function.
1985 * machmode.h: Prototype it.
1987 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
1989 * global.c (build_insn_chain): Verify no real insns exist past the
1990 end of the last basic block, then exit the loop.
1992 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
1994 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
1996 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
1998 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2000 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2002 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2004 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2006 * flow.c (find_basic_blocks): Correctly determine when a call
2007 is within an exception region.
2009 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2011 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2013 * cpplib.h: Protect from multiple inclusions.
2014 * cpplib.c: Fix minor formatting problems.
2016 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2018 * jump.c (jump_optimize): Revert accidental patch.
2020 * Makefile.in (cpplib.o): Use unlibsubdir.
2022 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2024 * loop.c (get_condition): Allow combine when either compare is
2027 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2029 * version.c: Bump for snapshot.
2031 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2033 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2034 (init_lex): Initialize ridpointers[RID_BYREF].
2035 * c-lex.h (enum rid): Add RID_BYREF.
2036 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2037 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2038 (encode_type_qualifiers): Similarly
2039 * c-gperf.h: Rebuilt.
2041 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2043 * c-common.c (type_for_mode): Only return TItype nodes when
2044 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2045 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2046 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2047 (init_decl_processing): Only create TItype nodes when
2048 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2049 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2050 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2052 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2054 * stmt.c (n_occurrences): New static function.
2055 (expand_asm_operands): Verify that all constrains match in the
2056 number of alternatives.
2057 Verify that '+' or '=' are at the beginning of an output constraint.
2058 Don't allow '&' for input operands.
2059 Verify that '%' isn't written for the last operand.
2060 * reload.c (find_reloads): Abort if an asm is found with invalid
2061 constraints; all possible problems ought to be checked for earlier.
2063 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2065 * flags.h (flag_branch_on_count_reg): Always declare
2066 * toplev.c (flag_branch_on_count_reg): Likewise.
2067 * toplev.c: Fix typos.
2069 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2072 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2074 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2076 (find_basic_blocks_1): Add a nop to the end of a basic block when
2077 a trailing call insn does not have abnormal control flow.
2078 * gcse.c (pre_transpout): New variable.
2079 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2080 (compute_pre_transpout): Calculate it.
2081 (compute_pre_ppinout): Use it to eliminate impossible placements
2082 due to abnormal control flow through calls.
2083 (compute_pre_data): Call compute_pre_transpout.
2085 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2087 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2089 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2091 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2092 and matching define_insns): Tack on a `use' of the table label, so
2093 flow analysis will recognize a tablejump.
2095 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2097 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2098 always end basic blocks for abnormal edge reasons.
2100 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2102 * config/i386/i386.h: Remove definition of
2103 HANDLE_PRAGMA_PACK_PUSH_POP.
2105 * config/i386/go32.h: Add definition of
2106 HANDLE_PRAGMA_PACK_PUSH_POP.
2108 * config/i386/win32.h: Add definition of
2109 HANDLE_PRAGMA_PACK_PUSH_POP.
2111 * config/i386/cygwin32.h: Add definition of
2112 HANDLE_PRAGMA_PACK_PUSH_POP.
2114 * c-pragma.c (insert_pack_attributes): Do not insert
2115 attributes unless #pragma pack(push,<n>) is in effect.
2117 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2119 * expr.c (emit_group_store): Handle a PARALLEL destination.
2121 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2123 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2124 the new insns before the argument regs are loaded.
2126 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2128 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2129 (c-parse.gperf): Update comments describing invocation flags.
2130 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2132 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2134 * reload1.c (reload): Call free before clobbering the memory
2135 locations or constants pointers.
2137 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2139 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2140 for efficiency by checking whether we need to modify the current
2141 stack permission at all.
2142 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2143 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2144 __enable_execute_stack libcall here too if
2145 TRANSFER_FROM_TRAMPOLINE is defined.
2146 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2149 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2151 * Makefile.in (DRIVER_DEFINES): Remove last change.
2153 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2155 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2156 insns we're going to copy.
2157 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2159 * loop.c (count_one_set): Add prototype.
2161 * caller-save.c (restore_referenced_regs): Lose mode argument.
2162 (insert_save): Lose mode argument.
2163 (insert_restore): Lose mode argument.
2164 (insert_one_insn): Lose mode argument.
2165 (save_call_clobbered_regs): Lose mode argument.
2166 (setup_save_areas): Take no argument and return void. All callers
2168 Don't verify validity of memory addresses.
2169 * reload.h (setup_save_ares): Adjust prototype.
2170 (save_call_clobbered_regs): Likewise.
2171 * reload1.c (delete_caller_save_insns): New function.
2172 (caller_save_spill_class): Delete variable.
2173 (caller_save_group_size): Delete variable.
2174 (reload): Call setup_save_areas and save_call_clobbered_regs
2175 in the main loop, before calling calculate_needs_all_insns.
2176 Don't call save_call_clobbered_regs after the loop.
2177 Call delete_caller_save_insns at the end of an iteration if
2179 Delete code to manage caller_save_spill_class.
2180 Emit the final note before setting reload_first_uid.
2181 Simplify test that determines whether reload_as_needed gets run.
2182 (calculate_needs): Delete code to manage caller_save_spill_class.
2184 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2186 * collect2.c (main): Initialize ld_file_name.
2188 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2190 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2191 check for flag_function_sections.
2193 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2195 * cse.c (insert_regs): Fix bug in Sep 24 change.
2197 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2199 * flags.h (flag_dump_unnumbered): Declare.
2200 * toplev.c (flag_dump_unnumbered): Don't declare.
2201 * print-rtl.c (flags.h): Include.
2202 (print_rtl_single): Add return value.
2203 * rtl.h (print_rtl_single): Update declaration.
2204 * flow.c (flag_dump_unnumbered): Don't declare.
2205 (print_rtl_with_bb): Use return value of print_rtl_single.
2207 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2209 * loop.c (count_one_set): New static function, broken out of
2211 (count_loop_regs_set): Call it.
2212 * global.c (mark_reg_store): Handle clobbers here by not calling
2214 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2215 is in fact a clobber.
2216 * integrate.c (process_reg_param): New function, broken out of
2217 expand_inline_function.
2218 (expand_inline_function): Call it.
2221 * i386.md (addsidi3_1): Delete unused variable temp.
2222 (addsidi3_2): Likewise.
2223 (clstrstrsi): Delete unused variable addr1.
2225 * rtl.h: Don't declare any functions also declared in recog.h.
2227 * Makefile.in (stupid.o): Update dependencies.
2228 (global.o): Likewise.
2230 * global.c: Include reload.h
2231 (reg_becomes_live): New function.
2232 (reg_dies): New function.
2233 (build_insn_chain): New function.
2234 (global_alloc): Call build_insn_chain before calling reload.
2236 * reload.h (struct needs): New structure definition.
2237 (struct insn_chain): Likewise.
2238 (reload_insn_chain): Declare variable.
2239 (new_insn_chain): Declare function.
2242 * reload1.c (reload_startobj): New variable.
2243 (reload_insn_chain): New variable.
2244 (unused_insn_chains): New variable.
2245 (new_insn_chain): New function.
2246 (init_reload): Initialize reload_startobj, not reload_firstobj.
2247 (reload): Initialize reload_firstobj.
2248 Before returning, free everything on the reload_obstack.
2250 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2251 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2252 current_chain): New variables.
2253 (reg_where_born): Delete variable.
2254 (REG_WHERE_BORN): New macro.
2255 (find_clobbered_regs): New function.
2256 (stupid_life_analysis): Don't allocate/free reg_where_born.
2257 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2258 reg_where_dead_chain.
2259 Use REG_WHERE_BORN instead of reg_where_born.
2260 While processing the insns, build the reload_insn_chain with
2261 information about register lifetimes.
2262 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2263 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2265 Compute and information about birth and death of pseudo registers in
2266 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2267 Delete code to set elements of reg_where_born.
2269 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2271 * tree.def (GOTO_EXPR): Modified documentation.
2272 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2275 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2277 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2278 loop_final_value, loop_comparison_code): No longer static.
2279 (unroll_loop): Delete loop_start_value update.
2280 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2281 loop_final_value, loop_comparison_code): Extern.
2282 (loop_start_value): Delete extern.
2283 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2284 loop_comparison_value, loop_comparison_code): Delete.
2285 (loop_optimize): Remove initialization for deleted variables.
2286 (strength_reduce): Delete analyze_loop_iterations call. Only call
2287 insert_bct if flag_branch_count_on_reg set.
2288 (analyze_loop_iterations): Delete.
2289 (insert_bct): Remove iteration count calculation. Move checks for
2290 viable BCT optimization to here. Obtain iteration count from
2291 loop_iterations and correct for unrolling. Check for enough
2292 iteration to be beneficial. Comment out runtime iteration count
2294 (insert_bct): Print iteration count in dump file. Remove
2295 loop_var_mode and use word_mode directly.
2297 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2298 * rs6000.c (rs6000_override_options): Use it.
2299 (optimization_options): Enable use of flag_branch_on_count_reg.
2300 * rs6000.md (define_function_unit): Describe 604e.
2302 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2304 * loop.c (move_movables): Corrected threshold calculation for
2305 moved_once registers.
2307 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2309 * loop.c (combine_givs_p): Fix test for identical givs.
2311 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2313 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2314 call abort if the function is already defined.
2316 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2318 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2319 truncation is not a no-op.
2321 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2323 * version.c: Bump for snapshot.
2325 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2327 * version.c: Bump for snapshot.
2329 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2331 * expmed.c (expand_divmod): Don't widen for computing remainder
2332 if we seem to have a divmod pattern for needed mode.
2334 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2336 * cpplib.c (macroexpand): Correct off-by-one error in handling
2339 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2341 * combine.c (expand_field_assignment): Don't do bitwise operations
2342 on MODE_FLOAT; pun to MODE_INT if possible.
2344 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2345 scott snyder <snyder@d0sgif.fnal.gov>
2347 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2348 linker. Recognize mangled names in quotes.
2350 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2352 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2353 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2354 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2355 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2357 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2359 * function.c (purge_addressof_1): If trying to take a sub-word
2360 integral piece of a floating point mode, put it on the stack.
2362 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2364 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2366 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2368 * PROJECTS: Remove template friends.
2370 * collect2.c (sort_ids): Remove unused variable.
2372 * tm.texi (MATH_LIBRARY): Document.
2373 (NEED_MATH_LIBRARY): Remove.
2375 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2376 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2378 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2380 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2381 last_end to 0x7fffffff.
2383 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2385 * function.c (purge_addressof_1): Do not perform endianness
2386 corrections on bitpos, who we call will do it for us.
2388 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2390 * h8300.c (WORD_REG_USED): Fix typo.
2391 (initial_offset): Use WORD_REG_USED.
2393 * h8300.c (handle_pragma): Fix typo.
2395 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2397 * caller-save.c (insert_save_restore): Break this function up
2398 into new functions insert_restore, insert_save and insert_one_insn.
2399 All callers changed.
2400 (insert_restore): New function, mostly broken out of
2401 insert_save_restore.
2402 (insert_save): Likewise.
2403 (insert_one_insn): Likewise.
2404 (restore_referenced_regs): New argument BLOCK. All callers changed.
2405 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2406 in this function, do it in insert_one_insn instead.
2408 * reload1.c (reload): Break out some more pieces into separate
2410 (dump_needs): New function, broken out of reload.
2411 (set_initial_elim_offsets): Likewise.
2412 (init_elim_table): Likewise.
2413 (update_eliminables): Likewise.
2415 * global.c (global_alloc): Delete code to manage the scratch_list.
2416 * local-alloc.c (qty_scratch_rtx): Delete.
2417 (scratch_block): Delete.
2418 (scratch_list): Delete.
2419 (scratch_list_length): Delete.
2420 (scratch_index): Delete.
2421 (alloc_qty_for_scratch): Delete.
2422 (local-alloc): Update initialization of max_qty.
2423 Delete code to manage the scratch list.
2424 Delete code to allocate/initialize qty_scratch_rtx.
2425 (block_alloc): Don't allocate quantities for scratches.
2426 Delete code to manage the scratch list.
2427 * regs.h (scratch_list): Delete declaration.
2428 (scratch_block): Delete declaration.
2429 (scratch_list_length): Delete declaration.
2430 * reload1.c (reload): Delete code to manage the scratch list.
2431 (spill_hard_reg): Likewise.
2432 (mark_scratch_live): Delete.
2434 * recog.c (alter_subreg): Delete declaration.
2436 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2438 * Makefile.in (cccp.o): Fix typo in last patch.
2440 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2442 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2443 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2445 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2447 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2448 NULL_RTX as an argument.
2450 * Makefile.in (unlibsubdir): Define.
2451 (DRIVER_DEFINES): Use unlibsubdir.
2452 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2453 (stmp-fixinc): Similarly.
2455 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2457 * regmove.c (regmove_optimize): Add variable old_max_uid.
2458 At the end of the function, update basic_block_end.
2460 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2462 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2463 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2466 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2468 * config/arm/arm.c: Improve interworking support.
2470 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2472 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2473 copied from reload_out[r] .
2475 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2477 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2478 with more than three size ranges.
2480 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2482 * rtl.c (mode_name): Add a null string at the end of the array.
2483 (mode_wider_mode): Change type to unsigned char.
2484 (mode_mask_array): New variable.
2485 (init_rtl): Update for mode_wider_mode type change.
2487 * rtl.h (mode_wider_mode): Change type to unsigned char.
2488 (mode_mask_array): Declare.
2489 (GET_MODE_MASK): Use mode_mask_array.
2491 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2493 * calls.c (expand_call) : Encapsulate code into
2494 copy_blkmode_from_reg.
2495 * expr.c (copy_blkmode_from_reg): New function.
2496 * expr.h (copy_blkmode_from_reg): New function.
2497 * integrate.c (function_cannot_inline_p): We can inline
2499 (expand_inline_function): Use copy_blkmode_from_reg
2500 if needed. Avoid creating BLKmode REGs.
2501 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2504 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2506 * config/v850/v850.c: Add function prototypes.
2507 Add support for v850 special data areas.
2509 * config/v850/v850.h: Add support for v850 special data areas.
2511 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2512 HANDLE_PRAGMA_PACK_PUSH_POP.
2513 (push_alignment): New function: Cache an alignment requested
2514 by a #pragma pack(push,<n>).
2515 (pop_alignment): New function: Pop an alignment from the
2517 (insert_pack_attributes): New function: Generate __packed__
2518 and __aligned__ attributes for new decls whilst a #pragma pack
2520 (add_weak): New function: Cache a #pragma weak directive.
2521 (handle_pragma_token): Document calling conventions. Add
2522 support for #pragma pack(push,<n>) and #pragma pack (pop).
2524 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2525 are defined enable HANDLE_PRAGMA_PACK.
2526 Move 'struct weak_syms' here (from varasm.c).
2527 Add pragma states for push and pop pragmas.
2529 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2532 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2533 HANDLE_GENERIC_PRAGMAS.
2535 * varasm.c: Move definition of 'struct weak_syms' into
2537 (handle_pragma_weak): Deleted.
2539 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2541 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2543 * c-decl.c (start_function): Add invocation of
2544 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2546 * tm.texi: Remove description of non-existant macro
2547 SET_DEFAULT_SECTION_NAME.
2549 (HANDLE_SYSV_PRAGMA): Document.
2550 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2552 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2554 * config.sub: Recognize i[34567]86-pc-udk as new target.
2555 * configure.in: Likewise.
2556 * config/i386/t-udk: New file.
2557 * config/i386/udk.h: New file.
2559 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2561 * reorg.c (check_annul_list_true_false): Remove unused variables.
2562 (steal_delay_list_from_target): Add missing "used_annul" variable.
2563 (try_merge_delay_insns): Close out half formed comment.
2565 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2567 * cpplib.c (macroexpand): If arg->raw_before or
2568 arg->raw_after, remove any no-reexpansion escape at the
2569 beginning of the pasted token. Correct handling of whitespace
2570 markers and no-reexpand markers at the end if arg->raw_after.
2572 * toplev.c (documented_lang_options): Recognize -include,
2573 -imacros, -iwithprefix, -iwithprefixbefore.
2574 * cpplib.c (cpp_start_read): Process -imacros and -include
2575 switches at the same time and in command-line order, after
2576 initializing the dependency-output code. Emit properly nested
2577 #line directives for them. Emit a #line for the main file
2578 before processing these switches, and don't do it again
2581 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2583 * function.c (purge_addressof_1): Use bitfield manipulation
2584 routines to handle mem mode < reg mode.
2586 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2588 * reorg.c (try_merge_delay_insns): Account for resources referenced
2589 in each instruction in INSN's delay list before trying to eliminate
2590 useless instructions. Similarly when looking at a trial insn's delay
2593 * reorg.c (check_annul_list_true_false): New function.
2594 (steal_delay_list_from_{target,fallthrough}): Call it and also
2595 refine tests for when we may annul if already filled a slot.
2596 (fill_slots_from_thread): Likewise.
2597 (delete_from_delay_slot): Return newly-created thread.
2598 (try_merge_delay_isns): Use its new return value.
2600 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2602 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2603 used to compute a giv or as some other non-counting use.
2605 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2607 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2608 * local-alloc.c (find_free_reg): Use it.
2609 * global.c (find_reg): Likewise.
2610 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2612 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2613 * caller-save.c (init_caller_save): Use it.
2614 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2616 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2618 * configure.in: Add --enable-cpplib option which uses cpplib
2619 for cpp, but doesn't link cpplib into cc1. Make help text
2620 capitalization consistent.
2621 * configure: Rebuilt.
2623 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2625 * function.c (gen_mem_addressof): If the address REG is
2626 REG_USERVAR_P make the new REG be so also.
2627 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2628 in an attempt to clarify slightly.
2630 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2632 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2633 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2635 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2637 * toplev.c: Fix last patch.
2639 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2641 * loop.c (get_condition): Fix typo in May 9 change.
2643 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2645 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2647 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2649 * toplev.c (documented_lang_options): Spelling corrections.
2651 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2653 * configure.in: new flags --with-ld and --with-as, equivalent
2654 to setting LD and AS environment variables. Test whether
2655 specified arguments are GNU commands, and report them with
2656 checking messages. Use the specified AS for configure
2659 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2661 * gcc.c (find_a_file): when looking for `as' and `ld', return
2662 the DEFAULT program if it exists
2663 * collect2.c (main): use DEFAULT_LINKER if it exists
2665 * gcc.c (find_a_file): the test for existence of a full
2666 pathname was reversed
2668 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2670 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2671 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2673 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2675 * tree.h (TYPE_BINFO): Document.
2677 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2679 * i386-coff.h (dbxcoff.h): Added.
2681 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2683 * toplev.c: fix bad patch around flag_data_sections.
2685 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2687 * reload1.c (reload): Use reload_address_index_reg_class and
2688 reload_address_base_reg_class when setting
2689 caller_save_spill_class. (Patch generated by Jim Wilson:
2692 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2694 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2695 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2696 * expr.c (store_field): Add alias_set parameter. Set the
2697 MEM_ALIAS_SET accordingly, if the target is a MEM.
2698 (expand_assignment): Use it.
2699 (store_constructor_field): Pass 0.
2700 (expand_expr): Likewise.
2702 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2704 * flags.h: Add flag_data_sections.
2705 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2706 (compile_file): Error if flag_data_sections not supported.
2707 * varasm.c (assemble_variable): Handle flag_data_sections.
2708 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2709 * config/mips/elf.h: Likewise.
2710 * config/mips/elf64.h: Likewise.
2711 * invoke.texi: Describe -fdata-sections.
2713 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2715 * invoke.texi (-ffloat-store): Clarify that this option
2716 does not affect intermediate results -- only variables.
2718 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2720 * cpp.texi: Update for Fortran usage from Craig.
2722 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2724 * rs6000.c (function_arg_boundary): Revert accidental change on
2727 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2729 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2730 (output_mi_thunk): Declare.
2732 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2733 (output_function_profiler): Use r12 for temp, instead of r11 so
2734 that we preserve the static chain register.
2736 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2738 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2740 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2742 * sh.c (gen_shl_sext): Fix case 5.
2744 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2746 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2748 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2750 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2751 accessing variables until they are initialized via va_arg().
2753 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2755 * reload1.c (reload_combine): Initialize set before using.
2757 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2759 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2762 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2764 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2765 operand3 with mask before using it. Patch provided by Jim Wilson.
2767 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2769 * config/sparc/sparc.c (function_value): Perform the equivalent of
2770 PROMOTE_MODE for ARCH64.
2771 (eligible_for_epilogue_delay): Allow DImode operations in delay
2772 slot of a return for ARCH64.
2774 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2776 * sh.md (sqrtsf2): Fix mode of sqrt.
2778 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2780 * reload1.c (choose_reload_regs): Also try inheritance when
2781 reload_in is a stack slot of a pseudo, even if we already got a
2784 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2786 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2787 (reload_cse_regs): New function body: call reload_cse_regs_1,
2788 reload_combine, reload_cse_move2add.
2789 When doing expensive_optimizations, call reload_cse_regs_1 a
2790 second time after reload_cse_move2add.
2791 (reload_combine, reload_combine_note_store): New functions.
2792 (reload_combine_note_use): New function.
2793 (reload_cse_move2add, move2add_note_store): New functions.
2795 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2797 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2798 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2800 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2801 more than 3 such reloads.
2803 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2804 RELOAD_FOR_X_ADDR_ADDR reload.
2806 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2808 * expr.c (store_constructor): When initializing a field that is smaller
2809 than a word, at the start of a word, try to widen it to a full word.
2811 * cse.c (cse_insn): When we are about to change a register,
2812 remove any invalid references to it.
2814 (remove_invalid_subreg_refs): New function.
2815 (mention_regs): Special treatment for SUBREGs.
2816 (insert_regs): Don't strip SUBREG for call to mention_regs.
2817 Check if reg_tick needs to be bumped up before that call.
2818 (lookup_as_function): Try to match known word_mode constants when
2819 looking for a norrower constant.
2820 (canon_hash): Special treatment for SUBREGs.
2822 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2824 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2825 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2826 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2827 and offsets in actual stack trampoline code so they match the
2828 commentary and actually work.
2830 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2832 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2834 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2835 tmake_file. Set extra_parts to needed crt objects.
2836 * configure: Rebuilt.
2837 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
2838 (TARGET_DEFAULT): Set if default is v9 or ultra.
2839 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
2840 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
2841 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
2842 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2843 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
2844 (TARGET_VERSION): Define.
2845 (MULTILIB_DEFAULT): Define.
2846 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
2847 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
2848 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
2850 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
2851 * config/sparc/sparc.c (sparc_override_options): If arch and
2852 pointer size disagree, emit diagnostic and fix it up. If
2853 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
2854 V8PLUS in 64-bit mode.
2855 * config/sparc/t-linux64: New file.
2856 * config/sparc/t-sol2-64: New file.
2857 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
2858 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
2859 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
2860 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
2861 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
2862 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
2864 (STARTFILE_SPEC): Set approriately based upon those.
2865 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
2866 disposition of DEFAULT_ARCH32_P.
2867 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
2868 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
2869 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
2870 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
2871 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
2873 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
2875 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
2877 * rtl.h (init_virtual_regs): New function.
2878 * emit-rtl.c (init_virtual_regs): Define.
2879 (insn_emit): Use it.
2880 * integrate.c (save_for_inline_copying): Likewise.
2882 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
2884 * config/arm/thumb.h: The following patches were made by Jim Wilson:
2885 (enum reg_class): Add NONARG_LO_REGS support.
2886 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
2887 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
2888 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
2889 completes. Re-enable HImode REG+OFFSET addresses.
2890 (LEGITIMIZE_RELOAD_ADDRESS): Define.
2892 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
2894 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
2896 * alpha.c (get_aligned_mem): Revert Sep 20 change.
2897 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
2898 (alpha_align_insns): Properly calculate initial offset wrt max_align.
2900 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
2902 * arm.c (find_barrier): Revert change of Apr 23. Handle table
2903 jumps as a single entity, taking into account the size of the
2906 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2908 * tree.def (SWITCH_EXPR): New tree node definition.
2910 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
2912 * version.c: Bump for snapshot.
2914 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
2916 * version.c: Bump for snapshot.
2918 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
2920 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
2923 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
2925 * Revert this patch.
2926 * reload.c (find_reloads): Do not replace a pseudo with
2927 (MEM (reg_equiv_addr)) in the initializing insn for the
2930 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
2932 * final.c (final_scan_insn): Disable tracking CC across branches.
2934 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2936 * expr.h (eh_rtime_match_libfunc): New extern declaration.
2937 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
2938 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
2939 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
2940 NULL. Only include <stdio.h> if inhibit_libc is not defined.
2942 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
2944 * toplev.c (rest_of_compilation): Skip compiling anything with
2945 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
2947 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
2949 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
2950 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
2951 use in_libcall_block.
2952 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
2953 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
2956 Mon Sep 21 14:02:23 1998
2958 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
2959 typo in no-fancy-math-387 description.
2961 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
2963 * version.c: Bump for snapshot.
2965 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
2967 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
2969 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
2971 * i386.h: (TARGET_SWITCHES) Add description fields for flags
2972 documented in install.texi.
2973 (TARGET_OPTIONS) Likewise.
2975 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
2977 * version.c: Bump for snapshot.
2979 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
2981 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
2982 * cccp.c (main): Likewise.
2984 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
2985 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
2988 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
2990 * Makefile.in (LIBS): Link in libiberty.a.
2991 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
2993 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
2995 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
2996 it to update bb boundaries. Update caller.
2997 * function.c (reposition_prologue_and_epilogue_notes): Update
2998 bb boundaries wrt the moved note.
3000 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3002 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3004 * configure: Regenerate.
3006 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3008 * alpha.c (alpha_sr_alias_set): New variable.
3009 (override_options): Set it.
3010 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3011 (mode_mask_operand): Fix signed-unsigned comparision warning.
3012 (alpha_expand_block_move): Likewise.
3013 (print_operand): Likewise.
3014 (get_aligned_mem): Use change_address.
3015 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3016 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3017 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3018 (alpha_align_insns): Remade from old alphaev5_align_insns
3019 to handle multiple processors.
3020 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3021 * output.h (label_to_alignment): Prototype.
3023 * tree.c (new_alias_set): New function.
3024 * tree.h (new_alias_set): Declare it.
3025 * c-common.c (c_get_alias_set): Use it.
3027 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3029 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3030 to an ABS expr, convert an unsigned input to signed.
3032 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3034 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3036 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3038 * configure.in: Add support for c4x targets.
3039 * configure: Rebuilt.
3041 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3043 * combine.c (distribute_notes): If an insn is a cc0 user, only
3044 delete it if we can also delete the cc0 setter.
3046 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3048 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3049 (invert_truthvalue): Enable truthvalue inversion for
3050 floating-point operands if -ffast-math.
3052 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3054 * configure.in: Disable collect2 for nextstep. Instead use
3056 * configure: Rebuilt.
3057 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3058 (ENDFILE_SPEC): Define.
3059 (OBJECT_FORMAT_MACHO): Define.
3060 (EH_FRAME_SECTION_ASM_OP): Define.
3061 * crtstuff.c: Handle MACHO.
3063 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3065 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3067 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3069 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3070 (_fpadd_parts): Get sign right for 0.
3072 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3074 * ginclude/varargs.h: Add support for C4x target.
3075 * ginclude/stdargs.h: Likewise.
3077 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3079 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3080 (alpha_emit_set_long_const): Rewrite to be callable from reload
3082 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3083 * alpha.md (movdi): Likewise.
3085 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3087 * arm.c (add_constant): New parameter address_only, change caller.
3088 Set it non-zero if taking the address of an item in the pool.
3089 (arm_reorg): Handle cases where we need the address of an item in
3092 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3094 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3095 memory addresses that are not in standard canonical form.
3097 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3099 * README.C4X: New file with information about the c4x ports.
3100 * ginclude/va-c4x.h: New file for c4x varargs support.
3101 * config/c4x: New directory with c4x port files.
3103 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3105 * reload.c (find_reloads): Do not replace a pseudo with
3106 (MEM (reg_equiv_addr)) in the initializing insn for the
3109 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3111 * toplev.c (rest_of_compilation): Set bct_p on second call to
3113 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3115 (strength_reduce): Only call analyze_loop_iterations and
3116 insert_bct if bct_p set.
3117 (check_dbra_loop): Fix typo.
3118 (insert_bct): Use word_mode instead of SImode.
3119 (instrument_loop_bct): Likewise. Do not delete iteration count
3120 condition code generation insn. Initialize iteration count before
3122 * rtl.h (loop_optimize): Update prototype.
3124 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3125 not doubleword aligned.
3127 * rs6000.c (optimization_options): New function.
3128 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3129 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3130 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3131 first; cr1 can be used for FP record condition insns.
3133 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3135 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3138 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3141 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3143 (block_move_call): New function: Call a library routine to copy a
3145 (m32r_expand_block_move): New function: Expand a "movstrsi"
3146 pattern into a sequence of insns.
3147 (m32r_output_block_move): New function: Expand a
3148 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3149 (m32r_block_immediate_operand): New function: Return true if the
3150 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3152 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3154 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3156 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3158 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3160 * regmove.c (copy_src_to_dest): Check that modes match.
3162 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3164 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3166 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3168 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3169 narrower than FLOAT_REGS.
3171 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3173 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3175 * Makefile.in (old_gxx_include_dir): removed
3177 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3179 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3182 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3183 (sh_handle_pragma): Change function arguments to match new
3184 specification for HANDLE_PRAGMA.
3186 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3188 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3190 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3191 When generating output, initialize missing struct member to zero.
3193 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3195 * regmove.c (copy_src_to_dest): Don't copy if that requires
3196 (a) new register(s).
3198 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3200 * global.c (reg_allocno): Now static.
3201 * reload1.c (reg_allocno): Delete declaration.
3202 (order_regs_for_reload): Take no arguments. Don't treat regs
3203 allocated by global differently than those allocated by local-alloc.
3205 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3207 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3208 condition, fix format strings.
3209 (output_function_epilogue): Likewise.
3211 * m68k/m68k.c: Don't include <stdlib.h> directly.
3213 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3215 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3216 mem_first_set, mem_last_set; because 0 can be a CUID.
3217 (oprs_unchanged_p): Use new definition.
3218 (record_last_reg_set_info): Likewise.
3219 (record_last_mem_set_info): Likewise.
3220 (compute_hash_table): Likewise.
3222 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3224 * rs6000.c (output_epilogue): Handle Chill.
3226 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3227 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3229 * combine.c (make_extraction): If no mode is specified for
3230 an operand of insv, extv, or extzv, default it to word_mode.
3231 (simplify_comparison): Similarly.
3232 * expmed.c (store_bit_field): Similarly.
3233 (extract_bit_field): Similarly.
3234 * function.c (fixup_var_regs_1): Similarly.
3235 * recog.c (validate_replace_rtx_1): Similarly.
3236 * mips.md (extv, extzv, insv expanders): Default modes for most
3237 operands. Handle TARGET_64BIT.
3238 (movdi_uld, movdi_usd): New patterns.
3240 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3241 equivalent memory location unless we have been provided a scratch
3242 register. Similarly do not call find_replacement unless a
3243 scratch register has been provided.
3245 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3247 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3250 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3252 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3253 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3254 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3255 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3256 * c-decl.c (init_decl_processing): Update accordingly.
3257 * expr.c (expand_builtin): Likewise.
3259 * rtl.h (global_rtl): Add cfa entry.
3260 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3261 (LAST_VIRTUAL_REGISTER): Update.
3262 * emit-rtl.c (global_rtl): Add cfa entry.
3263 (init_emit): Initialize it.
3264 * function.c (cfa_offset): New.
3265 (instantiate_virtual_regs): Initialize it.
3266 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3267 (expand_function_end): Call expand_eh_return.
3268 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3270 * except.c (current_function_eh_stub_label): Kill.
3271 (current_function_eh_old_stub_label): Likwise; update all references.
3272 (expand_builtin_set_return_addr_reg): Kill.
3273 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3274 (expand_builtin_set_eh_regs): Kill.
3275 (eh_regs): Produce a third reg for the actual handler address.
3276 (eh_return_context, eh_return_stack_adjust): New.
3277 (eh_return_handler, eh_return_stub_label): New.
3278 (init_eh_for_function): Initialize them.
3279 (expand_builtin_eh_return, expand_eh_return): New.
3280 * except.h: Update prototypes.
3281 * flow.c (find_basic_blocks_1): Update references to the stub label.
3282 * function.h (struct function): Kill stub label elements.
3284 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3285 register number is one that would be in the previous window.
3286 Provide a dummy definition for non-windowed targets.
3287 (get_reg_addr): New function.
3288 (get_reg, put_reg, copy_reg): Use it.
3289 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3290 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3292 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3293 (alpha_init_expanders): Initialize it.
3294 (alpha_expand_epilogue): Use it.
3295 * alpha.h: Declare it.
3296 * alpha.md (eh_epilogue): New.
3298 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3299 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3301 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3303 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3306 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3308 * except.h (struct eh_entry): Add false_label field.
3309 (end_catch_handler): Add prototype.
3310 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3311 (start_catch_handler): When using old style exceptions, issue
3312 runtime typematch code before continuing with the handler.
3313 (end_catch_handler): New function, generates label after handler
3314 if needed by older style exceptions.
3315 (expand_start_all_catch): No need to check for new style exceptions.
3316 (output_exception_table_entry): Only output the first handler label
3317 for old style exceptions.
3318 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3319 mechanism into one function, if a runtime matcher is provided.
3321 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3323 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3325 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3327 * integrate.c (copy_decl_list): Fix typo.
3329 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3331 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3334 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3336 * version.c: Bump for snapshot.
3338 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3340 * version.c: Bump for snapshot.
3342 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3344 * version.c: Bump for snapshot.
3346 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3348 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3350 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3352 * configure.in: remove usage of `!' to negate the result of a
3353 command; some common shells do not support it
3355 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3357 * configure.in: in sparc9-sol2 config, use 'if test' not
3359 * configure: Rebuilt.
3361 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3363 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3364 (CPP_CPU_DEFAULT_SPEC): Likewise.
3365 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3366 for arch64 libfuncs.
3368 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3371 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3373 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3375 * collect2.c: Don't declare `sys_siglist' here.
3376 (my_strsignal): Prototype and define new function. Use it in
3377 place of `sys_siglist' hacks.
3379 * mips_tfile.c: Likewise.
3381 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3382 (GCC_NEED_DECLARATIONS): Likewise.
3384 * system.h (strsignal): Prototype it, if necessary.
3385 (sys_siglist): Declare it, if necessary.
3387 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3389 * loop.c (move_movables): While removing insn sequences, preserve
3390 the next pointer of the most recently deleted insn when we skip
3393 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3395 * objc/config-lang.in: Do not output the name of the selected
3396 thread file when building the front-end. The Makefile for the
3397 runtime library will do this.
3399 * objc/Make-lang.in: Do not build the runtime library or install
3400 the Objective C header files. The Makefile for the runtime
3401 library will do this.
3403 * objc/Makefile.in (all.indirect): Only build the front-end.
3404 (compiler): Rename to `frontend'.
3405 (obj-runtime): Remove target.
3406 (copy-headers): Likewise.
3407 (clean): No need to remove `libobjc.a' any longer.
3409 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3411 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3412 supported with -mcpu=xxx.
3414 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3416 * flow.c (mark_set_1): Recognize multi-register structure return
3417 values in CALL insns.
3418 (mark_used_regs): Likewise.
3419 (count_reg_sets_1): Likewise.
3420 (count_reg_references): Likewise.
3421 * rtlanal.c (note_stores): Likewise.
3422 (reg_overlap_mentioned_p): Likewise.
3423 * haifa-sched.c (check_live_1): Likewise.
3424 (update_live_1): Likewise.
3425 (sched_analyze_1): Likewise.
3426 (sched_note_set): Likewise.
3427 (birthing_insn_p): Likewise.
3428 (attach_deaths): Likewise.
3430 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3433 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3435 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3437 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3439 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3441 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3443 * configure.in: Add check for GAS subsection -1 support.
3444 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3445 * configure config.in: Rebuilt.
3446 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3447 SImode is subsection -1 works, else use DImode.
3448 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3449 subsection -1 works.
3450 * config/sparc/sparc.c (sparc_output_addr_vec,
3451 sparc_output_addr_diff_vec): Use them if defined.
3453 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3455 * tree.h (DECL_ORIGIN): New macro.
3456 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3457 (copy_decl_list): Use it.
3458 (integrate_parm_decls): Likewise.
3459 (integrate_decl_tree): Likewise.
3460 * dwarf2out.c (decl_ultimate_origin): Simplify.
3461 * dwarfout.c (decl_ultimate_origin): Likewise.
3462 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3463 (pushdecl): Likewise.
3465 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3467 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3469 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3471 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3473 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3475 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3476 empty or has a single entry.
3478 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3479 before calling reg_to_stack.
3481 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3483 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3484 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3486 * c-tree.h (warn_long_long): Declare it.
3488 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3490 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3491 initialized float-int union if the value is a NaN.
3493 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3495 * c-lex.c (real_yylex): Don't warn about long long constants if
3496 we're allowing long long
3498 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3500 * except.h (current_function_eh_stub_label): Declare.
3501 (current_function_eh_old_stub_label): Declare.
3502 * function.h (struct function): New members eh_stub_label and
3504 * except.c (current_function_eh_stub_label): New variable.
3505 (current_function_eh_old_stub_label): New variable.
3506 (init_eh_for_function): Clear them.
3507 (save_eh_status): Save them.
3508 (restore_eh_status): Restore them.
3509 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3510 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3511 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3512 make an edge from the block that contains it to the block starting
3513 with the label if this label is one of the eh stub labels.
3514 If eh stub labels exist, show they are reachable from the last block
3517 * reload1.c (reload): Break out several subroutines and make some
3519 (calculate_needs_all_insns): New function, broken out of reload.
3520 (calculate_needs): Likewise.
3521 (find_reload_regs): Likewise.
3522 (find_group): Likewise.
3523 (find_tworeg_group): Likewise.
3524 (something_needs_reloads): New global variable, formerly in reload.
3525 (something_needs_elimination): Likewise.
3526 (caller_save_spill_class): Likewise.
3527 (caller_save_group_size): Likewise.
3528 (max_needs): Likewise.
3529 (group_size): Likewise.
3530 (max_groups): Likewise.
3531 (max_nongroups): Likewise.
3532 (group_mode): Likewise.
3533 (max_needs_insn): Likewise.
3534 (max_groups_insn): Likewise.
3535 (max_nongroups_insn): Likewise.
3536 (failure): Likewise.
3538 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3540 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3542 * loop.c (load_mems): Copy rtx for output mem.
3544 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3546 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3547 mips1 or mips2 either.
3549 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3551 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3553 (pa_adjust_insn_length): Update to work with new marking scheme
3554 for jumps inside switch tables.
3555 * pa.md (switch_jump): Remove pattern.
3556 (jump): Handle jumps inside jump tables.
3558 * Makefile.in (profile.o): Depend on insn-config.h
3560 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3562 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3564 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3566 Add preliminary native sparcv9 Solaris support.
3567 * configure.in: Recognize sparv9-*-solaris2*
3568 * configure: rebuilt
3569 * config.sub: Recognize sparcv9 just like sparc64.
3570 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3571 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3572 32-bit and 64-bit Solaris systems.
3573 * config/sparc/t-sol2: Assemble those with cpp.
3574 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3575 (*TF*_LIBCALL): If ARCH64 use V9 names.
3576 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3578 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3580 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3581 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3583 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3585 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3586 to Pmode if CASE_VECTOR_MODE is something else.
3588 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3590 * prefix.c (update_path): Correctly handle cases where PATH is
3591 a substring of the builtin prefix, but specifies a different
3594 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3596 * expr.c: Corrected comment about what MOVE_RATIO does.
3597 * config/alpha/alpha.h: Ditto.
3598 * config/1750a/1750a.h: Ditto.
3599 * config/clipper/clipper.h: Ditto.
3600 * config/i386/i386.h: Ditto.
3602 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3604 * configure.in (m68k-next-nextstep3*): Use collect2.
3605 Similarly for x86 NeXT configurations.
3606 * configure: Rebuilt.
3608 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3610 * configure.in: Don't assume srcdir is .../gcc
3611 * configure: Rebuilt.
3613 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3615 * global.c: Update comments.
3616 (global_alloc): Assign allocation-numbers
3617 even for registers allocated by local_alloc in case
3618 they are later spilled and retry_global_alloc is called.
3619 (mark_reg_store, mark_reg_clobber,
3620 mark_reg_conflicts, mark_reg_death): Always record a
3621 conflict with a pseudo register even if it has been
3622 assigned to a hard register.
3623 (dump_conflicts): Don't list pseudo registers already assigned to
3624 a hard register as needing to be allocated, but do list their
3626 * local-alloc.c: Update comment.
3628 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3630 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3631 * configure: Rebuilt.
3633 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3635 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3637 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3638 for all targets that set -msoft-float.
3640 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3642 * toplev.c (print_switch_values): Make static to match prototype.
3644 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3646 * configure.in: If we are unable to find the "gnatbind" program,
3647 then do not configure the ada subdir.
3648 * configure: Rebuilt.
3650 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3652 * version.c: Bump for snapshot.
3654 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3656 * version.c: Bump for snapshot.
3658 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3660 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3661 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3663 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3665 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3667 * genextract.c: Have insn-extract.c include toplev.h.
3669 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3671 * toplev.c: Include expr.h.
3672 (really_sorry, fancy_abort): Remove prototypes.
3673 (set_target_switch): Add argument in prototype.
3674 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3675 (v_really_sorry): Likewise.
3676 (print_version, print_single_switch, print_switch_values): Make
3677 static and add prototype arguments.
3678 (decl_printable_name): Add prototype arguments.
3679 (lang_expand_expr_t): New typedef.
3680 (lang_expand_expr): Declare as a lang_expand_expr_t.
3681 (incomplete_decl_finalize_hook): Add prototype argument.
3682 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3683 (botch): Likewise for variable `s'.
3684 (rest_of_type_compilation): Mark variables `type' and `toplev'
3685 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3686 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3687 (display_help): Make variable `i' an `unsigned long'.
3688 (main): Remove unused parameter `envp'.
3689 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3690 Cast -1 when comparing it with a `size_t'.
3692 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3693 prototype with ATTRIBUTE_NORETURN.
3694 (fatal_insn_not_found, fatal_insn, really_sorry,
3695 push_float_handler, pop_float_handler): Add prototypes.
3696 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3697 (do_abort, botch): Add prototypes.
3699 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3701 * final.c (final): If a label is reached only from a single jump,
3702 call NOTICE_UPDATE_CC on the jump and its predecessor before
3703 emitting the insn after the label.
3705 * i386.h: Add AMD K6 support.
3706 Change TARGET_* macros to use table lookup.
3707 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3708 (ADJUST_COST): Change definition to call function in i386.c.
3709 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3710 * i386.c: Add AMD K6 support.
3711 Add constants for feature tests used by TARGET_* macros.
3712 (split_di): If before reload, call gen_lowpart and gen_highpart.
3713 (x86_adjust_cost): New function.
3714 (put_jump_code): New function.
3715 (print_operand): New codes 'D' and 'd'.
3716 * i386.md: New insn types. New insn attribute "memory".
3717 Redefine scheduling parameters to use new types and add AMD K6
3718 support. Explicitly set type of most insns.
3719 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3720 Pro and K6 prefer movl $1,reg to incl reg.
3721 (adddi3, subdi3): Set cc_status.
3722 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3723 to int; x86 can't have more than 2^31 DImode shifts per file.
3724 (setcc): Combine all setcc patterns. Allow writing memory.
3725 Combine all jump patterns using match_operator.
3726 (*bzero): Name pattern. Emit mutliple stos instructions when that
3727 is faster than rep stos.
3728 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3731 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3733 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3736 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3738 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3739 not whatever we're generating now.
3741 * alpha.c (set_frame_related_p, FRP): New.
3742 (alpha_expand_prologue): Mark frame related insns.
3743 (alpha_expand_epilogue): Likewise, but with a null FRP.
3744 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3745 * alpha.md (exception_receiver): New.
3746 * alpha/crtbegin.asm (.eh_frame): New beginning.
3747 (__do_frame_setup, __do_frame_takedown): New.
3748 * alpha/crtend.asm (.eh_frame): New ending.
3749 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3750 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3751 (ASM_FILE_START): Don't emit .file for dwarf2.
3753 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3754 * rtl.c (reg_note_name): Likewise.
3755 * rtl.texi (REG_NOTES): Likewise.
3756 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3759 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3761 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3762 * i386.md (movsf, movdf, movxf): Validate memory address returned
3763 from force_const_mem. Kill useless REG_EQUAL setting code.
3765 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3767 * m68k.md (zero_extendsidi2): Fix typo.
3769 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3771 * configure.in: Removed references to the removed file
3772 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3773 * arm*-*-netbsd* and ns32k-*-netbsd*.
3774 * config/i386/xm-netbsd.h: Removed unnecessary file.
3775 * config/m68k/xm-netbsd.h: Likewise.
3776 * config/sparc/xm-netbsd.h: Likewise.
3777 * config/mips/xm-netbsd.h: Likewise.
3779 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3781 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3782 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3784 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3785 for exact section attributions.
3787 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3789 * i386/crtdll.h (CPP_PREDEFINES): Define.
3791 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3793 * m68k.md (5200 movqi): Do not allow byte sized memory references
3795 * m68k.c (output_move_qimode): Do not use byte sized operations on
3798 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3799 explicit rules for building. Similarly for alloca, vfprintf,
3800 choose-temp and mkstemp, getopt, getopt1, and obstack.
3801 (INCLUDES): Add $(srcdir)/../include.
3802 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3803 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3805 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3807 * gcc.c (do_spec_1): [case 'o'] Account for
3808 lang_specific_extra_outfiles.
3809 (main): Correctly clear all slots in outfiles for
3810 lang_specific_extra_outfiles. Set input_file_number before
3811 calling lang_specific_pre_link.
3813 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3815 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3817 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3819 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3821 (sparc_output_deferred_case_vectors): If no work to do, return.
3822 Fix thinko in Sept 1 change.
3824 1998-09-03 SL Baur <steve@altair.xemacs.org>
3826 * Makefile.in: add semicolon in BISON definition for portability.
3828 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3830 * config/nextstep.c (handle_pragma): Correct name of third
3833 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3835 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3836 * config/m32r/m32r.h: Make register 17 be fixed.
3837 * config/m32r/m32r.c: Use SImode for cc operations.
3839 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
3841 * invoke.texi (Warning Options): Add -Wnon-template-friend
3844 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
3846 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
3848 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
3850 * rs6000.md (movsf): Disable explicit secondary-reload-like
3851 functionality if TARGET_POWERPC64.
3852 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
3855 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
3857 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
3858 and term.h from fixinc.wrap.
3860 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3862 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
3863 safe to include both string.h and strings.h together.
3864 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
3865 which headers to search for function declarations. Continue to
3866 prefer string.h over strings.h when both are not acceptable.
3868 * acconfig.h (STRING_WITH_STRINGS): Add stub.
3870 * configure.in: Call GCC_HEADER_STRING.
3872 * system.h: Test STRING_WITH_STRINGS when deciding which headers
3873 to include. Continue to prefer string.h over strings.h when both
3876 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3878 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
3879 not assume top 32-bits of symbolic addresses are zero if
3882 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
3884 * ginclude/va-alpha.h: Protect entire second portion of the
3885 file against double inclusion.
3887 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
3889 Added support for the Boehm's garbage collector.
3890 * configure.in: Handle --enable-objc-gc.
3891 * configure: Rebuilt.
3892 * Makefile.in (CHECK_TARGETS): Add check-objc.
3893 (check-objc): New rule.
3894 * objc/Make-lang.in: Build a different Objective-C library that
3895 runs with the Boehm's collector.
3896 * objc/encoding.c (objc_round_acc_size_for_types): New function.
3897 * objc/encoding.c: Correctly compute the size of compound types in
3898 the presence of bitfields. Skip the variable name of the type if
3899 any. Added support for long long.
3900 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
3901 (_F_GCINVISIBLE): New mask.
3902 * objc/gc.c: New file. Compute the type memory mask associated with
3903 a class based on the runtime information.
3904 * objc/misc.c: Added the hooks that use the Boehm's collector
3905 allocation functions.
3906 * objc/objc-act.c (build_class_template): Generate a new class
3907 member (gc_object_type) to hold the class' type memory mask.
3908 (build_shared_structure_initializer): Initialize the new member to
3910 (encode_complete_bitfield): New function. Generate the new
3912 (encode_field_decl): Generate the new encoding only for the GNU
3914 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
3916 (class_get_gc_object_type): New function to mark a pointer instance
3917 variable as a weak pointer.
3918 * objc/objc-features.texi: New file.
3919 * objc/objc.h (gc_object_type): New class member.
3920 * objc/objects.c (class_create_instance): Create a typed memory
3921 object when compiled with Boehm's collector support.
3922 * objc/sendmsg.c (__objc_init_install_dtable): Call
3923 __objc_send_initialize instead of setting the initialize flag.
3924 (__objc_send_initialize): Call __objc_generate_gc_type_description
3925 to generate the class type memory mask. Rewrite the code that
3926 sends the +initialize so that it is called only once (bug report
3927 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
3928 * testsuite/objc: New testsuite for Objective-C type encoding.
3929 * testsuite/lib/objc-torture.exp: New file.
3930 * testsuite/lib/objc.exp: New file.
3932 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
3934 * jump.c (jump_optimize): In if/then/else transformations, add
3935 another call to modified_between_p for the jump insn.
3937 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
3939 * fix-header.c (symlink): Treat like readlink.
3941 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3943 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
3946 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
3948 * config/nextstep.h: Update HANDLE_PRAGMA macro.
3949 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
3950 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
3952 * config/nextstep.c (handle_pragma): Take three arguments, as per
3953 the new HANDLE_PRAGMA macro specification.
3954 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
3955 per the new HANDLE_PRAGMA macro specification.
3956 * config/i960/i960.c (process_pragma): Take three arguments, as
3957 per the new HANDLE_PRAGMA macro specification.
3959 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
3961 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
3962 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
3963 if unknown pragmas are encountered.
3964 (handle_sysv_pragma): Interpret return code from
3965 handle_pragma_token (). Return success/failure indication rather
3966 than next unprocessed character.
3967 (pragma_getc): New function: retrieves characters from the
3968 input stream. Defined when HANDLE_PRAGMA is enabled.
3969 (pragma_ungetc): New function: replaces characters back into the
3970 input stream. Defined when HANDLE_PRAGMA is enabled.
3972 * c-pragma.c (handle_pragma_token): Return success/failure status
3975 * c-pragma.h: Change prototype of handle_pragma_token().
3977 * varasm.c: (handle_pragma_weak): Only create this function if
3978 HANDLE_PRAGMA_WEAK is defined.
3980 * c-common,c (decl_attributes): If defined call the expression
3981 contained within the INSERT_ATTRIBUTES macro before adding
3982 attributes to a decl.
3984 * tm.texi (HANDLE_PRAGMA): Document the new verion of
3985 HANDLE_PRAGMA, which takes three arguments.
3986 (INSERT_ATTRIBUTES): Document this new macro.
3988 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
3989 new INSERT_ATTRIBUTES macro.
3991 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3993 * config/sparc/sparc.md (movdf): Only generate special RTL for
3994 LABEL_REFs when PIC.
3995 (move_label_di): Remove
3996 (movdi_pic_label_ref, movdi_high_pic_label_ref,
3997 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
3998 references when PIC.
3999 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4000 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4001 output an .xword for all 64-bit cases.
4003 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4005 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4006 alignment, use FUNCTION_BOUNDARY instead.
4007 (sparc_output_deferred_case_vectors): Likewise.
4009 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4011 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4012 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4014 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4016 * alpha/va_list.h: New file.
4017 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4019 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4021 * NEWS: Add SCO Openserver and Unixware 7 notes.
4025 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4027 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4028 (record_constant_1): Handle RANGE_EXPR.
4030 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4032 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4033 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4034 and NOTE_INSN_RANGE_END specially.
4035 (reemit_notes): Likewise.
4037 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4039 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4040 (ultrasparc_sched_init): Remove unneeded &.
4042 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4044 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4045 for m68020-60, to prevent the use of fintrz.
4047 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4049 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4051 * Makefile.in: Likewise.
4052 * configure: Regenerated.
4054 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4056 * configure.in (gxx_include_dir): Changed to
4057 '${prefix}/include/g++'-${libstdcxx_interface}.
4058 * configure: Rebuilt.
4060 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4062 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4064 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4065 *sequences* *below* which scalar moves will be used.
4067 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4069 * collect2.c (mktemp): Delete unused declaration.
4071 * config/xm-netbsd.h: Remove unnecessary file.
4072 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4073 file anymore, it is not needed.
4075 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4077 * convert.c (convert_to_integer): Issue an error on conversions to
4080 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4082 * Makefile.in: Add lang_tree_files and gencheck.h.
4083 * configure.in: Generate them.
4084 * gencheck.c: Include gencheck.h.
4086 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4088 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4089 movdi_lo_sum_pic and movdi_high_pic and make visible.
4090 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4091 emit these when Pmode is not SImode.
4092 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4094 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4096 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4097 .linkonce directive after the first time.
4099 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4101 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4102 the clobbered operand overlaps with an input.
4103 (bne0_di): Similarly.
4105 * Makefile.in (INSTALL): Remove "--no-header" argument.
4107 * NEWS: Various updates.
4109 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4111 * config/sparc/sparc.c (arith_operand, const64_operand,
4112 const64_high_operand, arith_double_4096_operand): Mark mode as
4114 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4116 (sparc_emit_set_const64): Remove unused variable i.
4117 (sparc_splitdi_legitimate): Likewise for addr_part.
4118 (ultra_code_from_mask): Likewise for mask.
4119 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4120 reverse return values so it matches usage and comments.
4121 (ultra_flush_pipeline): Likewise.
4122 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4123 this_type, and allow loads and stores of differing FP modes as
4124 they do not create a conflict.
4125 (ultra_find_type): Initialize fpmode to SFmode, fix
4126 parenthesization thinkos in large conditional.
4127 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4128 Init free_slot_mask after ultra_cur_hist is reset, not before.
4129 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4130 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4131 use ultra_flush_pipeline instead, then re-init group pointer.
4132 Fix statement with no effect. If no progress made in, and no
4133 instructions scheduled at all, advance to new pipeline cycle else
4134 we get into an endless loop.
4135 (ultrasparc_adjust_cost): Remove previous arg.
4136 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4138 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4140 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4141 code. Use reg_overlap_mentioned_p to detect when source and
4142 destination overlap.
4143 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4145 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4147 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4148 COMPARISON_VAL, into invariant_p.
4150 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4152 * regmove.c (regclass_compatible_p): New function.
4153 (regmove_optimize): Use it.
4155 Use NREGS parameter insted of calling max_reg_num.
4157 (fixup_match_1): Don't use code = MINUS when later tieing with
4158 a hard register is likely.
4160 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4162 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4163 COMPARISON_VAL was normalized.
4165 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4167 * loop.c (check_dbra_loop): The loop ending comparison value
4168 must be an invariant or we can not reverse the loop.
4170 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4171 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4173 (load_mems_and_recount_loop_regs_set): Likewise.
4175 * i386.c (print_operand): Remove obsolete 'c' docs.
4177 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4179 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4180 * frame.c (init_object_mutex): New function.
4181 (init_object_mutex_once): Likewise.
4182 (find_fde): Call it.
4183 (__register_frame_info): Likewise.
4184 (__register_frame_info_table): Likewise.
4185 (__deregister_frame_info): Likewise.
4187 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4189 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4191 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4193 * loop.c (check_dbra_loop): Enable code for reversal
4194 of some loops without a known constant loop end.
4196 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4198 * haifa-sched.c (last_clock_var): New.
4199 (schedule_block): Initialize it.
4200 (schedule_insn): Use it to fill insn modes with issue information.
4202 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4203 Tag trapb and next insn with TImode.
4204 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4205 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4206 Invoke alphaev5_align_insns as appropriate.
4207 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4208 (MD_SCHED_VARIABLE_ISSUE): New.
4209 * alpha.md (attr type): Add multi.
4210 (define_asm_attributes): New.
4211 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4212 (arg_home): Likewise.
4213 (fnop, unop, realign): New.
4215 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4217 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4218 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4220 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4221 (rs6000-ibm-aix4.[12]*): Likewise.
4222 * configure: Regnerate.
4224 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4226 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4227 already contains the return address.
4229 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4231 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4232 word sized hunks when loading unaligned args into registers.
4234 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4235 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4237 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4239 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4241 * loop.c (check_dbra_loop): Add some code that would allow reversal
4242 of some loops without a known constant loop end if it were enabled.
4244 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4246 * mips.md (lshrsi3_internal2+2): Fix type-o.
4248 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4250 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4251 correctly with regards to stdio.h.
4253 * calls.c: Remove stdarg.h/varargs.h.
4256 * combine.c: Likewise.
4257 * cpperror.c: Likewise.
4258 * cpplib.c: Likewise.
4259 * cpplib.h: Likewise.
4260 * doprint.c: Likewise.
4261 * emit-rtl.c: Likewise.
4262 * final.c: Likewise.
4263 * fix-header.c: Likewise.
4265 * genattr.c: Likewise.
4266 * genattrtab.c: Likewise.
4267 * gencodes.c: Likewise.
4268 * genconfig.c: Likewise.
4269 * genemit.c: Likewise.
4270 * genextract.c: Likewise.
4271 * genflags.c: Likewise.
4272 * genopinit.c: Likewise.
4273 * genoutput.c: Likewise.
4274 * genpeep.c: Likewise.
4275 * genrecog.c: Likewise.
4276 * mips-tfile.c: Likewise.
4277 * prefix.c: Likewise.
4278 * protoize.c: Likewise.
4279 * regmove.c: Likewise.
4280 * toplev.c: Likewise.
4283 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4285 * config/sparc/sparc.c (sparc_override_options): If not
4286 TARGET_FPU, turn off TARGET_VIS.
4287 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4288 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4289 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4290 (movdi_insn_sp64): Add VIS fzero alternative.
4291 (clear_sf, clear_df): New VIS patterns.
4292 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4294 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4296 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4298 * loop.c (n_times_set, n_times_used, may_not_optimize,
4299 reg_single_usage): Convert to varrays. All uses changed.
4300 (insert_loop_mem): Return a value.
4301 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4302 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4305 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4308 * configure.in: Do not set thread_file to "irix" since no such
4311 * sparc.md (float abs/neg splits): Check reload_completed before
4312 calling alter_subreg.
4314 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4316 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4318 * config/sparc/sparc.h: Declare it.
4319 * config/sparc/sparc.md (float abs/neg splits): Use it.
4320 (all other splits): Handle SUBREGs properly where necessary.
4321 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4323 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4325 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4326 an insn on the unfilled_slots_list that has no delay slots.
4327 (fill_eager_delay_slots): Similarly.
4329 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4331 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4332 as an ordinary operand.
4334 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4336 * tree.c (valid_machine_attribute): Don't apply attributes to both
4339 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4341 * reload.c (operands_match_p): Handle rtvecs.
4343 * i386.c (legitimate_pic_address_disp_p): New.
4344 (legitimate_address_p): Use it.
4345 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4346 Handle constant pool symbols just like statics.
4347 (emit_pic_move): Use Pmode not SImode for clarity.
4348 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4349 [UNSPEC]: New, handling what we killed above.
4350 [PLUS]: Detect and abort on invalid symbol arithmetic.
4351 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4353 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4355 * alias.c: Include output.h.
4356 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4357 different if we're in a varargs function.
4358 * Makefile.in (alias.o): Depend on output.h
4360 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4362 * sh.h (GIV_SORT_CRITERION): Delete.
4364 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4366 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4367 * stupid.c (stupid_life_analysis): Ditto.
4368 * reload1.c (reload): Ditto.
4370 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4372 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4373 arith_double_4096_operand, arith_double_add_operand): New
4375 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4376 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4377 them to transform add/sub 4096 into add/sub -4096.
4379 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4381 * loop.c (scan_loop): Allocate some slop to handle pseudos
4382 generated by move_movables.
4383 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4386 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4388 * tree.def (DECL_RESULT): Correct documentation.
4390 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4392 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4393 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4394 conflicts will all RELOAD_FOR_OUTPUT reloads.
4396 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4397 loads the function result, substitute with a USE.
4399 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4401 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4402 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4403 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4404 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4405 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4406 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4408 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4409 'o' to 'm' for GPR variant constraints.
4411 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4413 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4415 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4417 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4418 when the source and destination overlap.
4420 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4421 clash with global type.
4423 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4425 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4427 * c-common.c (combine_strings): Also set TREE_READONLY.
4428 Change warn_write_strings to flag_const_strings.
4429 * c-decl.c, c-tree.h: Likewise.
4431 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4433 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4434 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4435 sequence, use SET/IOR instead so CSE can see it.
4436 * config/sparc/sparc.md (movhi_const64_special,
4437 movsi_const64_special): New patterns necessitated by that change.
4438 (movhi_high): Remove.
4439 (movhi_lo_sum): Change to match an IOR.
4440 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4441 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4442 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4443 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4444 registers are involved.
4445 (snesi_zero_extend split): Remove reload_completed test.
4446 (unnamed plus and minus zero_extend sidi splits): Add it.
4448 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4450 * extend.texi: Remove description of extension to explicit
4451 instantiation that is now endorsed by standard C++.
4453 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4455 * config/arc/arc.c (arc_initialize_pic): Remove.
4456 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4457 nothing on any platform and is invoked by no-one, it does not even
4458 appear in the documentation.
4459 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4460 * config/sparc/sparc.c (initialize_pic): Likewise.
4461 (find_addr_reg): Remove this as well, no longer referenced after
4464 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4466 * recog.c (validate_replace_rtx_group): New function.
4467 * recog.h (validate_replace_rtx_group): Declare it.
4468 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4469 the entire group of substitutions.
4471 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4473 * loop.c (load_mems): Fix initializers.
4475 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4477 * config/sparc/sparc.md (TFmode splits): Handle destination
4478 registers being referenced in the address correctly.
4480 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4481 TREE_UNSIGNED, when bitsize of type's mode is larger than
4482 HOST_BITS_PER_WIDE_INT.
4484 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4486 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4487 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4488 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4490 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4493 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4495 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4496 * h8300.h (TINY_DATA_NAME_P): Likewise.
4497 (STRIP_NAME_ENCODING): Handle '&'.
4499 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4500 register (it could be accessed via an outer SUBREG).
4501 (REG_OK_FOR_BASE_P): Likewwise.
4502 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4504 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4507 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4509 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4511 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4512 must be offsettable so the splits can be made.
4514 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4516 * config/i386/winnt.c: Include system.h, not stdio.h to get
4517 sys/param.h pulled in before rtl.h in case the system defines MIN
4520 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4522 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4524 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4526 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4528 * cpplib.c (cpp_define): Handle macros with parameters.
4530 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4532 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4533 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4534 and DImode 64-bit. Use llong for minimal-toc SFmode and
4535 SYMBOL_REF / LABEL_REF 64-bit.
4536 (output_function_profiler): Use llong for profiler label and ld to
4537 load 64-bit label address.
4539 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4541 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4544 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4546 * version.c: Bump for snapshot.
4548 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4550 * version.c: Bump for snapshot.
4552 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4554 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4556 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4558 * tm.texi (Misc): Fix typo "teh".
4560 * tm.texi (PIC): Fix typo "PPIC".
4562 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4563 effect when -O2 and higher.
4564 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4566 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4568 * regclass.c: Changed register set documentation to be consistent
4571 * final.c (final_start_function) Removed redundant test for
4574 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4576 * rtl.h (rtx_function): New type.
4577 (for_each_rtx): New function.
4578 * rtlanal.c (for_each_rtx): Define it.
4580 * recog.c (change_t): New type.
4581 (change_objects, change_old_codes, change_locs, change_olds):
4583 (changes): New variable.
4584 (validate_change): Dynamically allocate room for more changes, if
4585 necessary. Uses changes array instead of change_objects, etc.
4586 (apply_change_group): Use changes array instead of
4587 change_objects, etc.
4589 * loop.c (loop_mem_info): New type.
4590 (loop_mems): New variable.
4591 (loop_mems_idx): Likewise.
4592 (looop_mems_allocated): Likewise.
4593 (scan_loop): Remove nregs parameter.
4594 (next_insn_in_loop): New function.
4595 (load_mems_and_recount_loop_regs_set): Likewise.
4596 (load_mems): Likewise.
4597 (insert_loop_mem): Likewise.
4598 (replace_loop_mem): Likewise.
4599 (replace_label): Likewise.
4600 (INSN_IN_RANGE_P): New macro.
4601 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4602 (scan_loop): Remove nregs parameter, compute it after any new
4603 registers are created by load_mems. Use INSN_IN_RANGE_P and
4604 next_insn_in_loop rather than expanding them inline. Call
4605 load_mems to load memory into pseudos, if appropriate.
4606 (prescan_loop): Figure out whether or not there are jumps from the
4607 loop to targets other than the label immediately following the
4608 loop. Call insert_loop_mem to notice all the MEMs used in the
4609 loop, if it could be safe to pull MEMs into REGs for the duration
4611 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4613 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4615 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4617 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4619 * config/sparc/sparc.c (finalize_pic): Check for the correct
4620 nonlocal_goto_receiver UNSPEC number.
4621 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4622 making note of this dependency existing in sparc.c
4623 (negtf2_notv9 split): Give NEG SFmode.
4624 (negsf2): Fix insn output string.
4626 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4628 * c-common.c (decl_attributes): Issue an error if the argument
4629 to alias is not a string.
4631 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4633 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4634 pending memory flush list.
4636 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4638 (try_combine): Allow combining insns with REG_LIBCALL notes.
4640 * expr.c (emit_block_move): Do not call memcpy as a libcall
4641 instead build up a CALL_EXPR and call it like any other
4643 (clear_storage): Similarly for memset.
4645 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4648 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4651 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4652 and REG_LIVE_LENGTH as successful substitutions are made.
4654 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4656 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4657 statement after end of loop label.
4659 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4661 * config/sparc/sparc.c (ultra_types_avail): New variable.
4662 (ultra_build_types_avail): New function to record mask of insn
4663 types in ready list at this cycle.
4664 (ultrasparc_sched_reorder): Call it.
4665 (ultra_find_type): Use it to quicken the search. Also simplif
4666 dependency check, don't use rtx_equal_p because we know exactly
4667 what we are looking for.
4669 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4671 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4672 for architecture v4.
4674 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4676 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4678 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4679 movdf_const_intreg and helper splits): New patterns to move float
4680 constants into integer registers.
4681 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4684 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4687 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4689 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4691 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4692 a BASE_REGS register is needed as an intermediate when copying
4693 a symbolic value into any register class other than BASE_REGS.
4695 * expr.c (move_by_pieces): No longer static. Remove prototype.
4696 * rtl.h (move_by_pieces): Add extern prototype.
4697 * mips.c (expand_block_move): Handle aligned straight line copy by
4698 calling move_by_pieces.
4700 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4703 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4705 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4706 jumps out of the loop to be treated as part of the exit test.
4708 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4709 Jeff Law <law@cygnus.com>
4711 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4712 * cplus-dem.c: Delete.
4714 * Makefile.in (fold-const.o): depend on $(RTL_H).
4716 * fold-const.c: Include rtl.h to get the prototype for
4717 `set_identifier_local_value'.
4719 * loop.c (express_from_1): Remove unused variable `tmp'.
4720 (combine_givs): cast the first argument of bzero to char *.
4722 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4724 * c-decl.c (init_decl_processing): Remove unneeded &.
4726 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4728 * except.c (set_exception_lang_code, set_exception_version_code):
4729 Change parameter from `short' to `int' to avoid using a gcc
4732 * except.h (set_exception_lang_code, set_exception_version_code):
4733 Likewise for prototypes.
4735 * flow.c (count_reg_references): Remove unused variables `regno'
4738 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4740 * prefix.c (translate_name): Cast the result of `alloca'.
4742 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4744 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4746 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4748 (valid_dbcc_comparison_p): Mark mode argument as unused.
4749 (symbolic_operand): Likewise.
4750 (legitimize_pic_address): Likewise.
4751 (const_uint32_operand): Likewise.
4752 (const_sint32_operand): Likewise.
4753 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4754 schedule_insns and comment out rest of file.
4756 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4758 (output_move_[hq]imode): Likewise.
4760 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4762 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4763 * invoke.texi: Corresponding changes.
4765 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4767 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4769 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4771 * config/sparc/sparc.c (ultra_code_from_mask,
4772 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4773 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4774 ultrasparc_sched_init, ultrasparc_variable_issue,
4775 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4776 functions to describe UltraSPARC pipeline exactly to Haifa.
4777 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4778 as there is nothing the scheduler can do about it. Indicate that
4779 REG_DEP_OUTPUT's collide. Fixup formatting.
4780 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4781 divide costs on Ultra for DImode.
4782 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4784 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4785 ieuN and add call_no_delay_slot to type list.
4786 (cti function unit): New unit for branches on UltraSPARC.
4787 (subx/addx insns): Set type to misc.
4788 (sidi zero/sign extension insns on arch64): Set type to shift.
4789 (sign_extendhidi2_insn): Set type to sload.
4791 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4793 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4794 (output_epilog): Use if != 0 for offset.
4795 (rs6000_fatal_bad_address): Prepare for Intl.
4796 * rs6000.h (rs6000_fatal_bad_address): Declare.
4797 * rs6000.md (movsfcc, movdfcc): Use else if.
4798 (elf_high): Use {liu|lis}.
4799 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4800 (movsi): Use rs6000_fatal_bad_address.
4802 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4804 * reload.c (find_equiv_reg): Reject equivalences separated
4805 by a volatile instruction.
4807 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4809 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4811 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4813 * alpha.md (movsicc): Fix mode mismatch.
4815 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4817 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4819 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4821 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4823 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4824 write-only modifier from operand 1 constraint.
4826 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4828 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4829 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4831 (sparc_emit_set_const64): Likewise, also when computing trailing
4832 bits do not negate low_bits and make fast_int an int.
4834 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4836 * loop.c (add_label_notes): Do not ignore references to labels
4837 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
4838 * gcse.c (add_label_notes): Similarly.
4840 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
4842 * m68k.md (adddi_dilshr32): One of the operands must be a register.
4843 (adddi_dishl32): Similarly.
4845 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
4847 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
4848 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
4849 * cse.c (cse_basic_block): Add parens to shut up warnings.
4851 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4853 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
4854 sparc_emit_set_const64_longway, const64_is_2insns,
4855 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
4856 in 64-bit constant formation.
4857 * config/sparc/sparc.md (snesi_zero_extend split): Generate
4858 rtl for addx not subx.
4859 (define_insn movdi_const64_special): Make available even when
4860 HOST_BITS_PER_WIDE_INT is not 64.
4861 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
4862 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
4863 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
4864 instances of operand 1 inside a QI subreg.
4865 (xordi3_sp64_dbl): Remove '%' constraint for op1.
4866 (one_cmpldi2_sp64): Fix output string.
4867 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
4869 (unnamed arch64 ashift DI): Truncate shift count if greater than
4872 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4874 * expr.c (store_expr): Don't optimize away load-store pair
4875 when either source or destination have a side effect.
4877 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
4879 * genrecog.c (add_to_sequence): Fatal error if the modes of the
4880 operands of SET are incompatible.
4882 * alpha.md: Fix max and min patterns so modes of SET operands match.
4884 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
4886 * configure.in: Avoid [[ by using test and changequote.
4887 * configure: Rebuild.
4889 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4891 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
4893 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
4894 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
4895 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
4896 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
4897 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
4898 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
4899 Fix mismatching modes in SET operands.
4900 (conditional move patterns): Fix formatting.
4901 (unnamed subx arch64 pattern): Remove duplicate insn.
4903 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4905 * config/sparc/sparc.c (const64_operand, const64_high_operand):
4906 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
4907 (input_operand): Fixup test for what we accept for constant
4909 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
4911 (safe_constDI): Remove.
4912 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4913 gen_safe_XOR64): New functions.
4914 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
4915 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
4917 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
4918 available when HOST_BITS_PER_WIDE_INT is not 64.
4919 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
4920 move before movdi_insn_sp64 pattern.
4921 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
4922 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
4923 symbolic_operand as predicate for second operand.
4924 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
4925 expander): Give set VOIDmode.
4927 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4929 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
4931 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
4933 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
4935 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
4937 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
4939 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
4941 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
4943 * install.texi: Various SCO OpenServer tweaks.
4945 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
4947 * reload1.c (eliminate_regs_in_insn): Handle another case when
4948 eliminating the frame pointer to the hard frame pointer. Add
4949 missing ep->to_rtx check to one existing case.
4951 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
4953 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4955 * tree.h: De-conditionalize init_priority code.
4957 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
4958 * collect2.c (NM_FLAGS): Change from -p to -n.
4960 * configure.in: Turn on collect2 for mipstx39-elf.
4961 Handle use_collect2=no properly.
4963 * c-common.c: De-conditionalize init_priority code.
4964 * collect2.c (extract_init_priority, sort_ids): New fns.
4965 (main): Call sort_ids.
4966 Move sequence_number to file scope.
4968 * configure.in: Handle --enable-init-priority.
4969 * c-common.c (attrs): Add A_INIT_PRIORITY.
4970 (init_attributes, decl_attributes): Likewise.
4971 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
4972 * tree.c (get_file_function_name_long): Split out...
4973 (get_file_function_name): ...from here.
4975 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4977 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
4980 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
4982 * toplev.c (display_help): Add braces to shut up warnings.
4983 * tree.c (simple_cst_equal): Likewise.
4985 * fold-const.c (non_lvalue): Don't deal with null pointer
4987 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
4989 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
4990 of any size to a pointer.
4992 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
4994 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
4996 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
4998 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
4999 which will be saved.
5000 * mn10300.md (prologue insn): Only save registers which need saving.
5001 (epilogue insn): Similarly.
5003 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5006 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5008 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5009 VAR_DECL's in gp addressable sections.
5011 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5013 * sparc.c: Change return <exp> to <exp>; return; in functions
5015 * sparc.md: Add empty semicolon statement after final label in
5018 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5020 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5021 addx_extend_sp64, only allow when TARGET_ARCH64.
5022 (define_insn addx_extend_sp32 and split): Version that works when
5024 (define_insn subx_extend): Likewise.
5025 (define_split adddi3 and subdi3 with zero extension): Fixup and
5026 correct bugs when not TARGET_ARCH64.
5028 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5030 * except.c (set_exception_lang_code, set_exception_version_code):
5031 Use prototype-style definition if __STDC__, to match declaration
5034 * genemit.c: Change FAIL and DONE macros not to use loops.
5036 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5038 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5039 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5041 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5043 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5045 * README.g77: Update from Craig.
5047 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5049 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5051 (safe_constDI sparc_emit_set_const64_quick1,
5052 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5053 analyze_64bit_constant, const64_is_2insns,
5054 create_simple_focus_bits): Fix some bugs when compiled on real
5056 (function_arg_record_value_3, function_arg_record_value_2,
5057 function_arg_record_value): Add fully prototyped forward decls.
5058 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5059 to cmpsi_insn and use on both 64 and 32 bit targets.
5060 (define_insn cmpsi_insn_sp64): Remove.
5061 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5062 (define_insn zero_extendsidi2_insn): Rename to
5063 zero_extendsidi2_insn_sp64.
5064 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5065 assosciated forced split for it.
5067 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5069 * config/sparc/sparc.h: Declare them.
5070 (PREDICATE_CODES): Add them.
5071 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5072 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5074 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5076 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5077 in v9 case as the latter makes the Solaris assembler crash.
5079 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5081 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5082 for TFmode when !v9. We require offsettable memory addresses.
5083 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5084 DFmode register number conversions.
5085 * config/sparc/sparc.md (define_split DFmode moves): If register
5086 is a SUBREG do alter_subreg on it before using.
5087 (define_expand movtf): Fixup comment about alignment on v9.
5088 (define_split TFmode moves): Don't use gen_{high,low}part, create
5089 explicit SUBREGs instead.
5091 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5093 * Makefile.in (mbchar.o): Depend on mbchar.c.
5095 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5096 Richard Henderson <rth@cygnus.com>
5098 Rewrite Sparc backend for better code generation and
5099 improved sparc64 support.
5100 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5102 * config/sparc/sysv4.h: Likewise.
5103 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5104 move_operand, v8plus_regcmp_op, emit_move_sequence,
5105 singlemove_string, doublemove_string, mem_aligned_8,
5106 output_move_double, output_move_quad, output_fp_move_double,
5107 move_quad_direction, output_fp_move_quad, output_scc_insn):
5109 (small_int_or_double): New predicate.
5110 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5111 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5112 old pic_{sethi,lo_sum}_si patterns.
5113 (mem_min_alignment): New generic function to replace
5114 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5115 available and can test for arbitrary alignments. All callers
5117 (save_regs, restore_regs, build_big_number,
5118 output_function_prologue, output_cbranch, output_return,
5119 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5120 sparc_flat_output_function_epilogue): Prettify
5122 (output_function_epilogue): Likewise and add code to output
5123 deferred case vectors.
5124 (output_v9branch): Likewise, add new arg INSN and use it to tack
5125 on branch prediction settings. All callers changed.
5126 (print_operand): Likewise and output %l44 for LO_SUMs when
5128 (sparc_splitdi_legitimate): New function to make sure DImode
5129 splits can be run properly when !arch64.
5130 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5131 Reformat example code in comments.
5132 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5133 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5134 of deferred case vectors we need to output.
5135 (sparc_defer_case_vector): Record a case vector.
5136 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5137 sparc_output_deferred_case_vectors): New functions to output them.
5138 (sparc_emit_set_const32): New function to form 32-bit constants in
5139 registers when that requires more than one instruction.
5140 (safe_constDI, sparc_emit_set_const64_quick1,
5141 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5142 analyze_64bit_constant, const64_is_2insns,
5143 create_simple_focus_bits, sparc_emit_set_const64): New functions
5144 which do the same for 64-bit constants when arch64.
5145 (sparc_emit_set_symbolic_const64): New function to emit address
5146 loading for all code models on v9.
5147 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5148 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5149 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5150 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5151 inaccuracies in comments, add symbolic and text_segment operands
5152 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5153 GENERAL_REGS in these cases as a temp REG is needed to load these
5154 addresses into a register properly.
5155 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5157 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5158 quads are guarenteed to have 16-byte alignment.
5159 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5160 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5161 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5162 deferred case vector implementation.
5163 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5164 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5165 Generate "internal label - label" instead of "label - 1b".
5166 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5167 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5168 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5170 (doublemove_string, output_block_move, output_fp_move_double,
5171 output_fp_move_quad, output_move_double, output_move_quad,
5172 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5173 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5174 (sparc_emit_set_const32, sparc_emit_set_const64,
5175 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5176 mem_min_alignment, small_int_or_double): Add externs.
5177 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5178 UNSPEC_VOLATILE in this backend.
5179 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5180 unary to types which execute in it.
5181 (define_function_unit ieu_shift): Rename to ieu0.
5182 (define_function_unit ieu1): New, executes compare, call, and
5183 uncond_branch type insns.
5184 (define_function_units for type fdivs, fdivd, fsqrt): These
5185 execute in the fpu multiply unit not the adder on UltraSparc.
5186 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5187 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5188 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5189 allows the arith_double_operand predicate and rHI constraint when
5191 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5192 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5193 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5194 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5195 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5196 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5197 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5198 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5199 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5200 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5201 sign_extendqihi2_insn, sign_extendqisi2_insn,
5202 sign_extendqidi2_insn, sign_extendhidi2_insn,
5203 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5204 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5205 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5206 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5207 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5208 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5209 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5210 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5211 smulsi3_highpart_v8plus, unnamed subreg mult,
5212 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5213 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5214 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5215 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5216 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5217 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5218 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5219 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5220 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5221 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5222 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5223 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5224 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5225 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5226 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5227 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5228 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5229 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5230 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5231 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5232 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5233 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5234 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5235 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5236 call_address_untyped_struct_value_sp32,
5237 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5238 call_value_symbolic_sp32, call_value_address_sp64,
5239 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5240 flush_register_windows, goto_handler_and_restore,
5241 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5242 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5243 return_addsi, return_di, return_adddi, return_sf, all call+jump
5244 peepholes, trap, unnamed trap insns): Prettify output strings.
5245 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5246 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5247 Likewise and force + implement splits for integer cases.
5248 (define_insn return_sf_no_fpu): Likewise and allow to match when
5249 no-fpu because of our subreg SFmode splits.
5250 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5251 zero_extendqidi2_insn, zero_extendhidi2_insn,
5252 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5253 input_operand for second operand.
5254 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5255 reg_or_0_operand for operand 2 so new splits can use it.
5256 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5257 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5259 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5260 CONST_DOUBLEs for operand 2.
5261 (define_insn move_label_di): Likewise and label distance
5262 optimization because it no longer works with new deferred case
5263 vector scheme. To be revisited.
5264 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5265 and allow reg_or_0_operand and J constraint for second operand.
5266 (define_insn jump): Set branch predict taken on V9.
5267 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5268 new deferred case vector scheme.
5269 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5270 (define_insn negdi2_sp32): Force + implement splits.
5271 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5272 one_cmplsi2_not_liveg0 respectively, and create expander of original
5273 names which emit special rtl for TARGET_LIVE_G0.
5274 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5275 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5276 gen_compare_reg, FAIL instead.
5277 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5278 values when trying to reverse condition codes, if they FAIL then
5280 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5281 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5282 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5283 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5284 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5285 set output string to # to indicate they are mandatory splits.
5286 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5287 pic_sethi_di, move_pic_label_si): Remove.
5288 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5289 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5291 (define_expand movsi_pic_label_ref, define_insn
5292 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5293 expander and insns to handle PIC label references and deferred
5295 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5297 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5298 Rewrite to not use emit_move_sequence, make use of new constant
5299 formation code, and new splits for all multi-insn cases.
5300 (define_insn movqi_insn): Remove sethi case, it can never happen.
5301 Use reg_or_zero_operand instead of const0_rtx explicit test,
5302 use input_operand instead of move_operand for source, and use
5303 general_operand now for dest.
5304 (define_insn movhi_insn): Similar but leave sethi case.
5305 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5306 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5307 movhi_lo_sum respectively, prettify output string.
5308 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5309 register when needed on TARGET_LIVE_G0.
5310 (define_insn movsi_insn): Use general_operand and input_operand
5311 for dest and src respectively. Simplify applicability test.
5312 Prettify output strings, and add clr alternative for J
5314 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5315 deprecated std and reg-reg DI moves): Remove and...
5316 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5317 implementation which uses forced splits for all non-single insn
5319 (define_split DI move cases on !arch64): New splits to handle all
5320 situations of 64-bit double register DImode on 32bit, and
5321 unaligned registers and memory addresses for all subtargets.
5322 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5324 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5325 input_operand for dest and src respectively, prettify output
5327 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5328 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5330 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5331 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5332 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5333 movtf_no_e_insn_sp64) Replace with new
5334 implementation which uses forced splits for all non-single insn
5336 (define_split DF move cases): New splits in similar vein to DI
5338 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5339 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5340 movdi_sp64_insn): Remove old v9 code model and constant loading
5342 (define_insn pic_lo_sum_di, pic_sethi_di,
5343 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5344 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5345 embmedany_sethi, embmedany_losum, embmedany_brsum,
5346 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5347 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5348 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5349 scheme, using unspecs, secondary reloads, and one to one sparc
5350 insn to rtl insn mapping for better scheduling and code gen.
5351 (define_expand reload_indi, reload_outdi): Reload helpers for
5352 MEDANY and EMBMEDANY symbol address loading cases which require a
5354 (define_expand movsicc): Remove v8plus_regcmp cases.
5355 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5356 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5357 cmp_diqi_trunc_set): New patterns used by some of the new scc
5359 (define_insn xordi3_sp64_dbl): New pattern used for constant
5360 formation when crossing from 32-bit targets.
5361 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5363 (define_insn addx, subx): Make visible and prettify.
5364 (define_insn adddi3_insn_sp32): Likewise and force split.
5365 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5366 64bit scc split usage.
5367 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5368 zero_extend, subdi3): Force and implement splits.
5370 * final.c (final_scan_insn): Don't output labels if target
5371 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5374 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5375 don't forget to walk inside SEQUENCESs too as these are what the
5376 delay slot scheduler will create.
5378 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5380 * alpha.md (extxl+1,+2): New patterns to work around
5383 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5385 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5386 caused bad assembly code to be generated.
5388 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5390 * netbsd.h: Fix typo.
5392 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5394 * config.sub: Fix typo.
5396 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5398 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5400 (Running Protoize): Typo: Change "ther" into "other".
5402 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5404 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5405 * m68k/netbsd.h: Likewise.
5406 * ns32k/netbsd.h: Likewise.
5407 * sparc/netbsd.h: Likewise.
5409 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5411 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5412 * ginclude/va-clipper.h (va_list): Likewise.
5414 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5416 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5417 load/store multiple instructions unless user overrides.
5419 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5421 * ns32k/netbsd.h: Fix typo.
5423 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5425 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5426 labels with .debugsym if no parallel insns.
5428 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5430 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5431 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5433 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5435 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5436 (AR_FOR_TARGET): Define.
5438 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5440 * dyn-string.h: New file.
5441 * dyn-string.c: Likewise.
5442 * Makefile.in (OBJS): Add dyn-string.o.
5443 (dwarf2out.o): Add dyn-string.h dependency.
5444 (dyn-string.o): List dependencies.
5445 * dwarf2out.c: Include dyn-string.h.
5446 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5447 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5448 prototype. Use dyn_string_append rather than strcat, throughout.
5449 (addr_to_string): Use dyn_string_t.
5451 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5453 Function entry/exit profiling instrumentation:
5454 * expr.h (profile_function_entry_libfunc,
5455 profile_function_exit_libfunc): Declare new variables.
5456 * optabs.c: Define them here.
5457 (init_optabs): Initialize them.
5458 * tree.h (struct tree_decl): New flag
5459 no_instrument_function_entry_exit.
5460 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5461 * c-decl.c (duplicate_decls): Merge it.
5462 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5463 (init_attributes): Use it for "no_instrument_function".
5464 (decl_attributes): Handle it, for functions that have not yet been
5465 compiled. Set decl flag.
5466 * flags.h (flag_instrument_function_entry_exit): Declare new
5468 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5469 (f_options): New option "instrument-functions".
5470 * function.h (struct function): New field instrument_entry_exit.
5471 * function.c (current_function_instrument_entry_exit): New
5473 (push_function_context_to, pop_function_context_from): Save and
5475 (expand_function_start): Set current_ variable, maybe emit return
5476 label and entry profile call.
5477 (expand_function_end): Maybe emit exit profile call.
5479 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5481 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5482 NON_QI_REG_P, pretend the register is SImode.
5484 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5486 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5487 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5488 manufacturer id for ns32k.
5489 * configure: Regenerated.
5490 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5491 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5492 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5493 * config/m68k/netbsd.h: Same.
5494 * config/ns32k/netbsd.h: Same.
5495 * config/sparc/netbsd.h: Same.
5497 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5499 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5500 or UNROLL_COMPLETELY loop that starts with a jump to its
5503 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5505 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5506 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5507 (print_operand, case 'B'): Don't fall through.
5508 (print_operand, case 'S'): Correct mask begin/end computation.
5509 Use HOST_BITS_PER_WIDE_INT.
5510 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5511 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5512 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5513 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5515 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5517 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5518 constraint from second alternative.
5520 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5522 * configure.in: Fix --without/--disable cases for local-prefix,
5523 gxx-include-dir and checking.
5525 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5527 * configure.in (enable_haifa): Set by default for sparc64 too.
5530 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5532 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5533 * i386/winnt.c (associated_type): New fn.
5534 (i386_pe_valid_type_attribute_p): New fn.
5535 (i386_pe_check_vtable_importexport): Remove.
5536 (i386_pe_dllexport_p): Use associated_type.
5537 (i386_pe_dllimport_p): Likewise.
5539 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5540 * i386.c (i386_valid_type_attribute_p): Also accept
5541 attributes for METHOD_TYPEs.
5543 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5545 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5547 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5549 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5551 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5552 them from generating a new base name for each occurence of
5555 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5557 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5559 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5563 * cplus-dem.c (type_kind_t): New type.
5564 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5565 on this paramter, rather than demangling the type again.
5566 (demangle_integral_value): Pass tk_integral.
5567 (demangle_template_: Pass the value returned from do_type.
5568 (do_type): Return a type_kind_t. Pass tk_integral to
5569 demangle_template_value_parm for array bounds.
5570 (demangle_fund_type): Likewise.
5572 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5574 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5577 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5579 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5581 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5583 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5585 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5588 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5590 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5591 (DEBUGGER_ARG_OFFSET): Likewise.
5593 * mn10300.md (movsf): Remove last change. Not needed.
5595 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5597 * c-lex.c (yylex): Fix boundary conditions in character literal and
5598 string literal loops.
5600 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5602 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5603 being invoked incorrectly.
5605 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5606 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5608 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5609 * configure.in: Added i[34567]86-*-win32
5610 * config.sub: Ditto.
5611 * configure: Rebuilt.
5613 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5615 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5616 the frame pointer and compiling PIC code and reload has not completed.
5618 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5621 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5623 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5625 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5627 * Makefile.in (install-info): Only try to update the info
5628 directory file if it exists in the first place.
5630 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5632 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5634 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5636 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5637 CONST_DOUBLE source.
5639 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5641 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5642 strings as the insertion of USER_LABEL_PREFIX.
5643 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5645 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5648 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5650 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5651 already defined type.
5653 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5655 * expr.c (check_max_integer_computation_mode): Allow conversions
5656 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5657 (expand_expr): Likewise.
5659 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5661 * expr.c (expand_expr): Expand RETURN_EXPR.
5663 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5665 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5667 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5669 * dwarf2out.c (output_aranges): Call stripattributes
5670 for TEXT_SECTION references.
5671 (output_line_info): Likewise.
5673 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5675 * profile.c (branch_prob): Call allocate_reg_info after outputting
5676 profile rtl in instrument_arcs.
5678 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5680 * fixinc.irix (math.h): Install wrapper instead of copying.
5682 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5684 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5685 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5686 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5687 lang_flag_0. Added documentation in the flag table.
5689 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5691 * cccp.c (do_include): Fix vax c style include handling.
5693 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5695 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5697 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5699 * fold-const.c (non_lvalue): Don't deal with null pointer
5701 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5703 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5705 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5706 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5707 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5708 (u_short_cint_operand): Same.
5709 (reg_or_cint_operand): Same.
5710 (logical_operand): Same.
5711 (input_operand): Same.
5712 (reg_or_short_operand): Use u_short_cint_operand.
5714 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5716 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5717 but keep the insns and splits. Adjust so when the ultimate destination
5718 is memory, use cvtql.
5720 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5722 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5724 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5726 * gcc.c (do_spec): Call "error" not "warning".
5728 * configure.in: Fix minor problems with gas feature detection code.
5729 * configure: Rebuilt.
5731 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5734 * gcc.c: Delete %[spec] support.
5735 (do_spec_1, case '('): Likewise.
5736 (do_spec_1, case '['): Call error.
5738 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5740 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5741 (CPP_SUBTARGET_SPEC): Default to empty string.
5742 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5743 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5744 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5745 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5747 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5748 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5749 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5750 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5751 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5752 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5753 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5754 * alpha/vxworks.h: Likewise.
5756 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5758 * mips.md (reload_outsi): Added missing REGNO call.
5759 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5761 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5762 another match_operator and compare the codes.
5764 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5766 * MIPS multiply pattern fixes:
5767 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5768 Add union classes for HI, LO, or HILO plus general registers.
5769 (GENERATE_MADD): Deleted.
5770 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5771 Add TARGET_MAD to condition.
5772 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5773 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5774 "*d" for accumulator, to give preference to LO initially but not
5777 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5779 * configure.in (enable_c_mbchar): New configure option.
5780 (extra_cpp_objs): Always available now.
5782 * cexp.y (mbchar.h): #include it.
5783 (yylex): Handle Multibyte characters in character literals.
5785 * cccp.c (mbchar.h): #include it.
5786 (main): Set character set based on LANG environment variable.
5787 (rescan): Handle multibyte characters in comments.
5788 (skip_if_group): See above.
5789 (validate_else): See above.
5790 (skip_to_end_of_comment): See above.
5791 (macarg1): See above.
5792 (discard_comments): See above.
5793 (rescan): Handle multibyte characters in string and character literals.
5794 (collect_expansion): See above.
5795 (skip_quoted_string): See above.
5796 (macroexpand): See above.
5797 (macarg1): See above.
5798 (discard_comments): See above.
5799 (change_newlines): See above.
5801 * c-lex.c (mbchar.h): #include it.
5802 (GET_ENVIRONMENT): New macro.
5803 (init_lex): Set character set based on LANG environment variable.
5804 (yylex): Handle multibyte characters in character literals.
5805 (yylex): Handle multibyte characters in string literals.
5807 * Makefile.in (mbchar.o): New target.
5808 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5809 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5811 * mbchar.[ch]: New files for multibyte character handling.
5813 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5815 * jump.c (jump_optimize): When simplifying noop moves and
5816 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5817 the PUSHes to rewrite in second loop as we did in the first.
5819 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5821 * cplus-dem.c (demangle_nested_args): Make function definition
5822 static to match the prototype.
5824 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5826 * alloca.c: Respect USE_C_ALLOCA.
5827 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5828 * gengenrtl.c (xmalloc): Likewise.
5830 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5832 * loop.h (struct induction): Add no_const_addval.
5833 * loop.c (the_movables, reg_address_cost): New variables.
5834 (init_loop): Init reg_address_cost.
5835 (loop_optimize): Call end_alias_analysis.
5836 (scan_loop): Init the_movables.
5837 (record_giv): Init induction->no_const_addval.
5838 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
5839 [REG]: Rearrange loop search test to catch more cases.
5840 (general_induction_var): Return success not benefit; take an extra
5841 argument for that. Change all callers.
5842 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
5843 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
5844 [default]: Search the_movables for additional combinations.
5845 (sge_plus_constant, sge_plus): New functions.
5846 (express_from_1): New function.
5847 (express_from): Always define. Rewrite using express_from_1.
5848 (combine_givs_p): Handle more cases. Ignore address cost.
5849 (cmp_combine_givs_stats): New function.
5850 (combine_givs_used_once, combine_givs_benefit_from): New functions.
5851 (combine_givs): Rewrite to do best-fit combination.
5853 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
5854 (fold): Do a complete (A*C)+(B*C) association check.
5856 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
5858 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
5860 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
5862 * mn10300.c (MODES_TIEABLE_P): Fix typo.
5864 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
5866 * tree.c (valid_machine_attribute): Only create a new type variant if
5867 there is a decl to use it.
5869 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
5871 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
5874 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
5876 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
5879 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
5881 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
5882 Simplify tests for clearing an address register.
5883 (expand_prologue): Corresponding changes.
5885 * mn10300.md (movXX patterns): Make sure the destination is an
5886 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
5887 (logical patterns): Split into expanders + patterns
5888 (zero and sign extension patterns): Similarly.
5889 (shift patterns): Similarly.
5891 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
5893 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
5894 for the sequence, recording base values.
5896 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
5898 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
5900 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
5902 * gcc.c: Remove ANSI-C ism from --help code.
5904 * toplev.c: Support --help with USE_CPPLIB.
5906 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
5908 * configure.in: Rework gas feature code to work with symlink based
5911 * extend.texi: Clarify some issues related to local variables
5912 assigned to explicit registers.
5914 * mn10300.md (mulsi): Turn into expander + pattern.
5916 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
5919 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
5921 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
5923 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
5925 * version.c: Bump again to distinguish mainline tree from the
5928 See ChangeLog.0 for earlier changes.
5931 add-log-time-format: current-time-string
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