1 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3 * i386.md (extendsidi2): Use # in the output template.
4 (extendsidi splitters): New splitters.
6 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8 * jump.c (init_label_info, delete_barrier_successors,
9 mark_all_labels, delete_unreferenced_labels,
10 delete_noop_moves, calculate_can_reach_end): New functions broken
12 (jump_optimize): Use them.
14 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
16 * except.c (expand_fixup_region_end): Make sure outer context labels
17 are not issued in an inner context during cleanups.
19 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
21 * alpha.md (addsi3, subsi3): No new temporaries once cse is
24 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
26 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
27 to expose this midpoint to CSE.
29 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
31 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
33 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
35 * configure.in: Bring over gcc2 change of Nov 19 1997.
37 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
39 * toplev.c (output_lang_identify): Make definition dependent on
40 ASM_IDENTIFY_LANGUAGE.
42 * print-rtl.c (spaces): Make static.
44 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
46 * extend.texi: Clarify proper uses for register clobbers in asms.
48 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
50 * recog.h (enum op_type): Define.
51 (constrain_operands): Adjust prototype.
52 (recog_op_type): Declare new variable.
53 * recog.c (recog_op_type): New variable.
54 (insn_invalid_p): Allow modifying an asm statement after reload.
55 (extract_insn): Set up recog_op_type.
56 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
57 Don't compute operand types, use recog_op_type.
58 Use the information computed by extract_insn instead of the previous
59 method of finding it by insn code number.
60 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
61 * reorg.c (fill_slots_from_thread): Likewise.
62 * reload1.c (reload_as_needed): Likewise.
63 (gen_reload): Likewise.
64 (inc_for_reload): Likewise.
65 (reload_cse_simplify_operands): Likewise.
66 Use the information computed by extract_insn instead of the previous
67 method of finding it by insn code number.
68 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
70 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
71 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
72 Use the information computed by extract_insn instead of the previous
73 method of finding it by insn code number.
74 * regmove.c (find_matches): Likewise. Change meaning of the return
75 value to be nonzero if the optimization can be performed, zero if
76 not. All callers changed.
77 Shorten some variable names to fix formatting problems.
78 (regmove_optimize): Shorten some variable names to fix formatting
80 Use the information computed by extract_insn instead of the previous
81 method of finding it by insn code number.
82 * regclass.c (scan_one_insn): Likewise.
83 (record_reg_classes): Don't compute operand types, use recog_op_type.
84 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
85 recog_constraints instead.
87 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
89 * rtl.h (flow2_completed): Declare.
90 * flow.c (flow2_completed): Definition.
91 * toplev.c (rest_of_compilation): Set and clear flow2_completed
94 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
96 * Makefile.in (libcpp.a): Ranlib libcpp.a
98 * cppulp.c (user_label_prefix): Initialize.
100 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
102 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
103 at a RETURN if current_function_sp_is_unchanging is set.
105 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
107 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
109 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
111 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
112 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
113 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
114 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
115 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
116 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
118 (LIB_SPEC): Handle -mno-cyginw option.
119 (LINK_SPEC): Handle -mdll.
121 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
123 * reload.c (find_reloads): Fix test for usage by other reload
124 to handle secondary reloads properly.
126 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
129 intermediate structure which has exactly the members provided by
130 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
131 static intermediate structure.
133 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
134 from the intermediate structure. Do the same analogous fix in
135 the case where ELIMINABLE_REGS is not defined.
137 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
139 * pa.h (SELECT_SECTION): Fix thinko.
141 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
143 * dwarf2out.c (output_call_frame_info): Comments on last change.
145 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
147 * arm.c (add_constant): When taking the address of an item in the
148 pool, get the mode of the item addressed.
150 * arm.c (final_prescan_insn case INSN): If an insn doesn't
151 contain a SET or a PARALLEL, don't consider it for conditional
154 Restore ABI compatibility for NetBSD.
155 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
157 (RETURN_IN_MEMORY): Likewise.
159 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
161 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
162 (m32r_output_block_move): Rewrite bytes < 4 handling.
164 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
166 * configure.in: Call AC_FUNC_VFORK.
168 * collect2.c: Define VFORK_STRING as a printable string for
169 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
170 defined, include vfork.h. If VMS is defined, define vfork()
171 appropriately. Remove vfork check on USG, we're using autoconf.
172 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
173 checking locally what string to pass.
174 (scan_prog_file): Likewise.
175 (scan_libraries): Likewise.
177 * gcc.c: Remove vfork check on USG, we're using autoconf.
178 Besides, no calls to vfork/fork occur in this file.
180 * protoize.c: Likewise.
182 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
184 * configure.in (DEFAULT_LINKER): renamed from LD
185 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
186 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
189 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
191 * BUGS: fix the regexp for `more' to find the appropriate node.
192 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
194 * BUGS: added link to the WWW FAQ
196 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
198 * version.c: Bump for snapshot.
200 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
202 * From Christian Gafton:
203 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
204 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
205 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
207 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
209 * c-common.c (c_get_alias_set): Allow all type-punning through
210 unions. Don't get confused about the type of a bit-field, despite
211 the antics of build_modify_expr.
213 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
215 * fixinc.sco: Paramaterize #include_next values.
216 * fixinc/fixinc.sco: Likewise.
218 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
220 * toplev.c (rest_of_compilation): No longer set reload_completed.
221 * reload1.c (reload): Set it here. Perform instruction splitting
222 after reload has completed if we will be running the scheduler
225 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
227 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
228 EH region if exceptions are enabled and we're performing cross
230 (find_cross_jump): Exit loop if the insns are in different EH regions.
232 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
234 * dwarf2out.c (output_call_frame_info): Use
235 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
237 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
239 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
240 * c-common.c (check_format_info): Don't check for the 'x'
241 format character twice, instead check for 'x' and 'X'
243 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
245 * configure.in (assembler features): Also make gas is configured if
246 we find it in the souce tree.
248 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
250 * i386.c (i386_comp_type_attributes): Compare whether the
251 attributes are defined, not their tree nodes.
253 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
255 * configure.in (gxx_include_dir): bitten by autoconf quoting
259 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
261 * configure.in: Ignore non-absolute value in $AS.
263 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
265 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
267 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
269 * configure.in (msdosdjgpp): Set exeext and target_alias.
271 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
273 * flow.c (XNMALLOC): New macro.
274 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
276 (add_edge, add_edge_to_label): New static functions.
277 (free_bb_memory): New function.
278 (flow_delete_insn): Delete function.
279 (basic_block_drops_in): Delete variable.
280 (find_basic_blocks): Allocate and initialize basic_block_head,
281 basic_block_succ. Don't allocate basic_block_drops_in.
282 Call free_bb_memory at the beginning.
283 (find_basic_blocks_1): Don't do multiple passes.
284 Delete code to compute basic_block_drops_in.
285 After calling make_edges, mark blocks reached by current block live.
286 Update test for unreachable live blocks.
287 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
289 Simplify to call add_edge_to_label when a LABEL_REF is found.
290 (make_edges): Simplify to call add_edge_to_label instead of
291 mark_label_ref most of the time.
292 Compute here whether control drops into the next block.
293 (delete_unreachable_blocks): Return void. All callers changed.
294 Delete unreachable blocks in reverse order.
295 After deleting all unreachable blocks, renumber the remaining ones
296 and update n_basic_blocks.
297 (delete_block): Speed up deletion a bit.
298 Don't set basic_block_drops_in for deleted blocks.
299 (free_basic_block_vars): Don't free basic_block_drops_in.
300 (life_analysis_1): Update to use new edge representation.
301 (dump_flow_info): Delete code to print basic block info; call
302 dump_bb_data instead.
303 (compute_preds_succs): Delete code to recompute basic_block_drops_in
304 and uid_block_number.
305 Simply copy the previously computed cfg.
306 (dump_bb_data): New arg LIVE_INFO. All callers changed.
307 Print register lifetime information if LIVE_INFO is nonzero.
308 * basic-block.h (dump_bb_data): Adjust prototype.
309 * gcse.c (gcse_main): Update call to dump_bb_data.
310 * rtl.h (free_bb_memory): Declare.
311 * toplev.c (rest_of_compilation): Call free_bb_memory.
313 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
314 (update_eliminable_offsets): Don't compute it.
315 (set_initial_elim_offsets): Don't initialize it.
316 Break out some code into set_initial_label_offsets so the rest of
317 this function can be called from reload_as_needed.
318 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
319 ELIMINABLE_REGS isn't.
320 (set_initial_label_offsets): New function, broken out of
321 set_initial_elim_offsets.
322 (set_offsets_for_label): New function, broken out of set_label_offsets
323 and reload_as_needed.
324 (reload): Call the two new functions.
325 (reload_as_needed): Call set_initial_elim_offsets instead of
326 duplicating the code. Likewise for set_offsets_for_label.
328 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
329 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
330 any hard reg, reg_reloaded_dead contains valid data.
332 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
334 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
335 "stdcall" and "cdecl" attributes.
337 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
339 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
340 handle deleted no-op moves of hard registers.
341 * haifa-sched.c (update_flow_info): Likewise.
343 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
345 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
346 of the sequences to reload the HILO register which do not actually
349 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
351 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
353 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
355 * except.c (emit_eh_context): Make the EH context register stay alive
356 at -O0 so stupid.c doesn't get confused.
358 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
360 * emit-rtl.c (try_split): Do not try to split a BARRIER.
362 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
363 Jeffrey A Law (law@cygnus.com)
365 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
366 (zero_extendsidi2): Use # in output template and handle completely by
368 (zero_extend splitters): New define_splits.
369 (ashiftrt_32): New pattern.
371 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
373 * tree.c (append_random_chars): New fn.
374 (get_file_function_name_long): Use it.
376 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
378 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
379 (LIBCPP_OBJS): New. Add cppulp.o.
380 (cppmain, fix-header): Depend on and use libcpp.a.
381 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
382 of the individual object files.
383 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
386 * cccp.c (user_label_prefix): New.
387 (main): Set it off -f*leading-underscore.
388 (special_symbol): Use it.
389 * cpplib.c (special_symbol): Likewise.
390 (cpp_handle_option): Handle -f*leading-underscore.
391 * cppulp.c: New file.
393 * output.h (user_label_prefix): Declare it.
394 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
395 * toplev.c (f_options, main): Handle -f*leading-underscore.
397 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
398 referencing USER_LABEL_PREFIX directly.
399 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
400 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
401 * final.c (asm_fprintf): Use user_label_prefix instead.
402 * arm/thumb.c (thumb_print_operand): Likewise.
404 * gcc.c (default_compilers): Pass -f*leading-underscore on to
405 cpp wherever appropriate.
407 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
409 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
410 specific compiler switches.
412 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
414 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
417 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
419 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
420 structure which has exactly the members provided by EXTRA_SPECS.
421 Xmalloc() the real `extra_specs', and initialize it from this
422 intermediate structure.
424 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
426 * mips.h (EXTRA_SPECS): Likewise.
428 * sparc.h (EXTRA_SPECS): Likewise.
430 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
432 * function.c (purge_addressof_1): Instead of aborting when a
433 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
434 work just put the ADDRESSOF on stack. Otherwise remember all such
435 successfull replacements, so that exactly the same replacements
436 can be made on the REG_NOTEs. Remove the special case for CALL
438 (purge_addressof_replacements): New variable.
439 (purge_addressof): Clear it at end.
441 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
443 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
444 (lang_init): Call check_newline always.
445 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
446 cpp_start_read, set yy_cur and yy_lim to read from
447 parse_in.token_buffer, so that we'll see the first #line
449 * cpplib.c (cpp_start_read): finclude the main input file
450 before processing -include/-imacros. Process -imacros and
451 -include separately, and handle -include by stacking a
452 buffer for the file in question as if it'd been #included.
453 * toplev.c (documented_lang_options) Recognize -H when
456 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
458 * cpplib.c: Merge do_once into do_pragma. Break file handling
459 code out of do_include.
460 Move append_include_chain, deps_output,
461 file_cleanup, redundant_include_p, import_hash,
462 lookup_import, add_import, read_filename_string, read_name_map,
463 open_include_file, finclude, safe_read to cppfiles.c.
464 Move prototypes for deps_output, append_include_chain,
465 finclude to cpplib.h. Move definition of struct
466 file_name_list there also.
468 * cppfiles.c: New file. Contains all the above functions
469 broken out of cpplib.c; also hack_vms_include_specification
470 from cccp.c and find_include_file, a new function broken out of
473 * Makefile.in (cppmain): Depend on cppfiles.o.
474 (fix-header): Likewise.
475 (cppfiles.o): New target.
476 * configure.in (--enable-c-cpplib): Add cppfiles.o to
477 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
479 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
481 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
482 if pending_types is non-zero.
483 (dwarfout_finish): Verify pending_types is zero before finishing.
485 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
487 * expr.c (convert_move): Use shifts to perform the move if a
488 suitable extend pattern cannot be found. Code written by
489 Richard Henderson <rth@cygnus.com>.
491 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
493 * regclass.c (renumber, regno_allocated): New static variables, moved
494 out of allocate_reg_info.
495 (allocate_reg_info): Move these two variables outside the function.
496 Move code to free memory into new function free_reg_info.
497 (free_reg_info): New function, broken out of allocate_reg_info.
498 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
499 * rtl.h (allocate_reg_info): Don't declare.
500 (free_reg_info): Declare.
502 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
504 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
506 * toplev.c (compile_file): Temporarily revert last change.
508 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
510 * c-typeck.c (convert_for_assignment): Parenthesize.
512 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
514 * reload1.c (delete_output_reload): Avoid ambigous else.
516 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
518 * toplev.c (compile_file): Call allocate_reg_info to free register
520 * rtl.h (allocate_reg_info): Declare.
522 * PROJECTS: Remove entry for local spilling.
524 * final.c (cleanup_subreg_operands): New function.
525 (final_scan_insn): Use it.
526 (alter_subreg): Clear the "used" field when we turn a SUBREG into
528 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
529 operands when reload has finished.
530 * reload.h (cleanup_subreg_operands): Declare..
531 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
532 reload. Handled in reload itself.
534 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
536 * reload1.c (verify_initial_offsets): New function.
537 (reload): Call it after reload_as_needed. Also verify that the frame
538 size stays constant during reload_as_needed.
539 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
541 * reload.h (struct insn_chain): Add need_operand_change element.
542 * reload1.c (new_insn_chain): Clear it.
543 (calculate_needs_all_insns): Set it; don't overload need_reload.
544 (reload_as_needed): Use it.
546 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
547 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
548 and reload_address_index_reg_class.
549 (find_reloads_address_1): Likewise.
550 * reload.h (reload_address_base_reg_class,
551 reload_address_index_reg_class): Don't declare.
552 * reload1.c (reg_old_renumber, pseudo_previous_regs,
553 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
554 (used_spill_regs): Now static.
555 (reload_address_base_reg_class, reload_address_index_reg_class,
556 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
557 basic_block_needs, max_needs, group_size, group_mode, max_groups,
558 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
561 (init_reload): Delete code to compute base/index reg classes.
562 (reload): Delete variable J.
563 Delete code to manage basic_block_needs.
564 Don't compute regs_explicitly_used.
565 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
566 pseudo_previous_regs.
567 Initialize bad_spill_regs_global.
568 Don't call order_regs_for_reload here.
569 Don't initialize spill_reg_order and n_spills.
570 Don't forbid explicitly used regs to be used for spill regs.
571 Change main loop to infinite loop, with explicit break statements.
572 Make SOMETHING_CHANGED variable local to that loop.
573 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
574 max_groups_insn, max_nongroups_insn, group_size, group_mode.
575 Make sure spilled_speudos is cleared before calling spill_hard_reg or
577 Don't call dump_needs.
578 Delete code to reset potential_reload_regs.
579 Delete code to terminate loop conditional on the global needs variables
580 showing no further needs.
581 (calculate_needs_all_insns): Return void. All callers changed.
582 Initialize somehing_needs_elimination here, not in reload.
583 Delete avoid_return_reg kludge.
584 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
586 Initialize the group_mode and group_size elements of the arg CHAIN.
587 Delete code to manage basic_block_needs.
588 Operate on elements of CHAIN instead of global variables.
589 Delete avoid_return_reg kludge.
590 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
592 Operate on elements of CHAIN instead of global variables.
593 Delete special SMALL_REGISTER_CLASSES code.
594 Delete spill_failure code; now in new_spill_reg.
595 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
597 Operate on elements of CHAIN instead of global variables.
598 (maybe_mark_pseudo_spilled): New static function.
599 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
601 Operate on elements of CHAIN instead of global variables.
602 Call order_regs_for_reload here, not in reload.
603 Initialize spill_reg_order and n_spills.
604 Simplify test whether an asm insn is involved.
605 Delete spill_failure code; now in new_spill_reg.
606 Call maybe_mark_pseudo_spilled for everything marked as live in
607 CHAIN. Merge CHAIN's used_spill_regs into the global variable
609 (dump_needs): Take CHAIN arg. No longer static, to prevent the
610 compiler from optimizing this function (now unused) away.
611 Operate on elements of CHAIN instead of global variables.
612 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
614 Operate on elements of CHAIN instead of global variables.
615 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
616 take CHAIN arg. All callers changed.
617 Operate on elements of CHAIN instead of global variables.
618 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
619 CHAIN, NONGROUP args. Return void. All callers changed.
620 Verify caller isn't trying to spill a pseudo.
621 Simplify test for illegal reg, just use bad_spill_regs.
622 Generate better error messages.
623 Operate on elements of CHAIN instead of global variables.
624 Mark spilled register in CHAIN's used_spill_regs element.
625 Don't call spill_hard_reg.
626 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
627 Mark spilled hard regs in bad_spill_regs_global.
628 Mark affected pseudos in spilled_pseudos, but don't spill them.
629 (ior_hard_reg_set): New static function.
630 (finish_spills): Return int. All callers changed.
631 Compute spill_reg_order, n_spills and spill_regs here. Also update
632 regs_ever_live for regs used as spills.
633 For every pseudo in spilled_pseudos, spill it and mark the previous
634 hard reg it had in pseudo_previous_regs. Compute which hard regs
635 arseudo): New static function.
636 (order_regs_for_reload): Take CHAIN arg. All callers changed.
637 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
638 hard registers explicitly used across the current insn into the set.
639 Compute hard_reg_n_uses taking only pseudos live across this insn
641 Tweak sorting of potential_reload_regs.
642 (compare_spill_regs): Delete function.
643 (reload_as_needed): Don't sort the spill_regs array, it's computed
644 in proper order in finish_spills.
645 Delete avoid_return_reg kludge.
646 Delete code to manage basic_block_needs.
647 (allocate_reload_reg): Minor speed/readability tweaks.
648 Operate on elements of CHAIN instead of global variables.
649 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
650 Delete avoid_return_reg kludge.
651 Initialize reload_reg_used from CHAIN's used_spill_regs element.
652 Delete unused label FAIL.
653 (reload_combine): Replce reload_address_index_reg_class with
655 Don't use used_spill_regs to determine information about lifetime of
658 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
660 * toplev.c (display_help): Ignore empty target specific
661 options, and if -W is also specified on the command line then
662 display undocumented options.
664 * config/arm/arm.c: Updated with changes in devo sources.
665 * config/arm/arm.h: Updated with changes in devo sources.
666 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
667 * config/arm/lib1thumb.asm: Add ELF support.
669 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
671 * collect2.c (aix64_flag): New variable.
672 (main, case 'b'): Parse it.
673 (GCC_CHECK_HDR): object magic number must match mode.
674 (scan_prog_file): Only check for shared object if valid header.
675 Print debugging if header/mode mismatch.
677 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
679 Added support for arm-elf-linux configuration, submitted by Philip
680 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
681 code developed by Catherine Moore <clm@cygnus.com>. The following
684 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
687 * configure: Regenerated.
689 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
690 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
691 definitions conditional on their not having been already defined.
693 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
694 and .type directives, and add "(PLT)" qualification to function
697 * config/arm/linux.h: Deleted. This file is now superceeded by
698 either linux-elf.h or linux-aout.h.
700 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
701 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
703 Move definitions from old linux.h file here.
705 * config/arm/elf.h: New file. Generic ARM/ELF support.
707 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
709 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
711 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
712 using the 26bit APCS.
714 * config/arm/unknown-elf.h: New file. Support for OS'es other
717 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
720 * config/arm/coff.h: Include aout.h for basic assembler macros.
721 Add support for -mstructure_size_boundary=<n> command line option.
723 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
724 command line option. Make macro definitions conditional on their
725 not having been already defined.
727 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
731 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
733 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
734 has been changed to not include a newline. Use this macro instead.
735 (output_enumeral_list, const_value_attribute, name_attribute,
736 comp_dir_attribute, prototyped_attribute, producer_attribute,
737 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
738 dwarfout_file_scope_decl, generate_new_sfname_entry,
739 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
740 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
742 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
744 * combine.c (subst): Process the inputs to a parallel asm_operands
747 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
749 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
751 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
753 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
755 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
757 * version.c: Bump for snapshot.
759 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
761 * stmt.c (expand_fixup): Set fixup->before_jump to a
762 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
764 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * Makefile.in (recog.o): Depend on toplev.h.
767 (insn-emit.o): Depend on recog.h.
768 (insn-peep.o): Depend on recog.h and insn-config.h.
770 * combine.c (simplify_set): Remove unused variable `scratches'.
772 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
773 and `idx' in macro conditional controlling their use.
775 * genemit.c (main): Make the generated output file include
776 recog.h. Don't have it declare `insn_operand_constraint', since
777 we get it from recog.h.
779 * genpeep.c (main): Make the generated output file include
780 insn-config.h and recog.h.
782 * recog.c: Include toplev.h.
783 (extract_insn): Remove unused variable `p'.
785 * regclass.c (fix_register): Add missing braces around initializer
787 (allocate_reg_info): Move variable `i' into the scope where it is
788 used. Change its type to `size_t'.
790 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
792 * reload.c (push_reload): When merging reloads, make sure
793 that reload_in_reg and reload_in are from the same reload in
796 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
798 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
799 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
801 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
803 * loop.c (loop_has_tablejump): New variable.
804 (prescan_loop): Scan for it.
805 (insert_bct): Replace explicit scan with use of it.
806 * regclass.c (regclass): Restore loop variable j.
807 (record_reg_classes): Deterine op_types modifiers and initialize
808 classes[i] before matching constraints. Handle matching
811 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
813 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
816 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * mips.h (EXTRA_SPECS): Add missing initializers.
820 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
822 * sparc.h (EXTRA_SPECS): Add missing initializers.
823 (sparc_defer_case_vector): Provide a prototype.
825 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
826 comparing it to the result of a pointer subtraction.
828 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
831 the argument to (unsigned char).
833 * alpha.h (EXTRA_SPECS): Add missing initializers.
834 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
837 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
839 * flow.c (life_analysis_1): Enable "rescan" code after reload.
840 (propagate_block): Delete dead code after reload.
842 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
843 back Oct 15, 1998 change.
844 * haifa-sched.c (update_flow_info): Likewise.
845 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
847 * mn10200.md (truncated shift): Accept constant inputs too.
849 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
851 * machmode.h (mode_mask_array): No longer const.
852 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
854 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
856 * frame.c: Somewhat explain `FDE'.
857 Suggested by Brendan Kehoe
859 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
861 * expr.c (pending_chain): Move up.
862 (save_expr_status): Do save pending_chain.
863 (restore_expr_status): And restore it.
864 * function.h (struct function): Add pending_chain.
866 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
868 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
869 did not match the code.
871 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
873 * regclass.c (regclass): Break out some code into new function
874 scan_one_insn, and into regclass_init.
875 (init_cost): New static variable, moved out of regclass.
876 (regclass_init): Initialize it here, not in .
877 (scan_one_insn): New static function, broken out of regclass.
878 * recog.c (apply_change_group): Break out some code into new
879 function insn_invalid_p.
880 (insn_invalid_p): New static fn, broken out of apply_change_group.
882 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
884 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
885 reg_reloaded_contents matches incremented pseudo.
887 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
889 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
891 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
892 addressing modes with side effects. These are currently
893 placeholders for the C4x target.
895 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
897 * loop.c (express_from): Make sure that when generating a PLUS of
898 a PLUS, any constant expression appears on the outermost PLUS.
900 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
902 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
903 works if "$(srcdir)" != ".".
905 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
907 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
908 existing SUBREG if we can, otherwise abort.
910 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
912 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
913 `restrict' is applied to a non-pointer variable.
915 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
917 * invoke.texi: Document -flang-isoc9x.
919 * Makefile.in (OBJS): Add splay-tree.o.
920 (c-common.o): Depend on rtl.h.
921 (splay-tree.o): List dependencies and provide build rule.
923 * rtl.h (record_alias_subset): New function.
924 * alias.c: Include splay-tree.h.
925 (alias_set_entry): New type.
926 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
927 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
928 (mems_in_disjoin_alias_sets_p): New function.
929 (alias_set_compare): Likewise.
930 (insert_subset_children): Likewise.
931 (get_alias_set_entry): Likewise.
933 * tree.h (TYPE_RESTRICT): New macro.
934 (TYPE_UNQUALIFIED): New manifest constant.
935 (TYPE_QUAL_CONST): Likewise
936 (TYPE_QUAL_VOLATILE): Likewise.
937 (TYPE_QUAL_RESTRICT): Likewise.
938 (tree_type): Add restrict_flag. Reduce count of free bits.
939 (DECL_POINTER_ALIAS_SET): New macro.
940 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
941 (tree_decl): Add pointer_alias_set.
942 (build_qualified_type): New function.
943 (build_type_variant): Define in terms of build_qualified_type.
944 * tree.c (set_type_quals): New function.
945 (make_node): Initializae DECL_POINTER_ALIAS_SET.
946 (build_type_attribute_variant): Use build_qualified_type and
948 (build_type_variant): Rename, and modify, to become...
949 (build_qualified_type): New function.
950 (build_complex_type): Use set_type_quals.
952 * c-tree.h (C_TYPE_OBJECT_P): New macro.
953 (C_TYPE_FUNCTION_P): Likewise.
954 (C_TYPE_INCOMPLETE_P): Likewise.
955 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
956 (c_apply_type_quals_to_decl): New function.
957 (c_build_qualified_type): New function.
958 (c_build_type_variant): Define in terms of c_build_qualified_type.
959 (flag_isoc9x): Declare.
960 * c-typeck.c (qualify_type): Use c_build_qualified_type.
961 (common_type): Change to use TYPE_QUALS.
962 (comptypes): Likewise.
963 (convert_for_assignment): Likewise.
964 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
965 * c-decl.c (flag_isoc9x): Define.
966 (c_decode_option): Handle -flang-isoc9x.
967 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
968 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
969 * c-lex.c (init_lex): Deal with restrict.
970 (init_lex): Don't treat restrict as a reserved word in
971 -traditional mode, or without -flang-isoc9x.
972 * c-lex.h (rid): Add RID_RESTRICT.
973 * c-parse.gperf (restrict, __restrict, __restrict__): Make
974 equivalent to RID_RESTRICT.
975 * c-parse.in (TYPE_QUAL): Update comment.
976 * c-common.c: Include rtl.h.
977 (c_find_base_decl): New function.
978 (c_build_type_variant): Rename, and modify, to become ...
979 (c_build_qualified_type): New function.
980 (c_apply_type_quals_to_decl): Likewise.
981 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
982 a particular alias set for the reference.
983 * toplev.c (documented_lang_options): Add -flang-isoc9x.
985 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
987 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
988 command line switches.
990 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
992 * reload.c (loc_mentioned_in_p): Add missing braces to bind
995 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
997 * gcc.c (option_map): Added --classpath and --CLASSPATH.
999 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1001 * regclass.c (fix_register): Add error message.
1002 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1005 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1007 * c-decl.c (warn_missing_noreturn): New global variable.
1008 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1009 (finish_function): Implement missing noreturn warning.
1011 * c-tree.h (warn_missing_noreturn): Declare extern.
1013 * invoke.texi: Document new flags.
1015 * toplev.c (documented_lang_options): Add description.
1017 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1019 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1020 loop optimization stable for the C4x.
1021 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1022 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1023 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1025 (c4x_address_conflict): Be more paranoid when packing a volatile
1026 memref in a parallel load/store.
1028 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1030 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1031 repeat_block_filler): Deleted.
1032 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1033 Condition code not set if destination register from 'c' class.
1034 (*subbqi3_carry_clobber): Fix typo.
1036 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1038 * reorg.c (steal_delay_list_from_target) Check for insns that
1039 modify the condition codes and effect the direction of the jump
1042 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1044 * function.c (purge_addressof_1): Replace call to
1045 emit_insns_before() with emit_insn_before().
1047 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1049 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1051 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1053 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1055 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1057 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1058 clobbered across calls.
1060 * loop.c (scan_loop): Be more selective about what invariants are
1061 moved out of a loop.
1063 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1065 * version.c: Bump for snapshot.
1067 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1069 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1070 static eh_context structure.
1072 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1074 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1076 (try_combine): Don't update max_scratch.
1077 * flow.c (max_scratch, num_scratch): Delete variables.
1078 (life_analysis_1): Don't initialize max_scratch.
1079 (propagate_block): Don't update max_scratch.
1080 (mark_set_1): Don't increment num_scratch.
1081 * regs.h (max_scratch): Delete declaration.
1083 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1085 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1086 is nonzero. This is temporary!
1088 * sched.c (update_flow_info): Handle death notes made invalid by
1089 instruction splitting. Partially reverts Oct 15, 1998 patch.
1090 * haifa-sched.c (update_flow_info): Likewise.
1092 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1094 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1095 if it has a nonzero DECL_INITIAL.
1097 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1099 * Makefile.in (flow.o): Depend on recog.h.
1101 * cpplib.h (directive_table): Add missing initializiers.
1102 (finclude): Change type of variable `bsize' to size_t.
1104 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1106 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1108 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1109 `int' when comparing against one.
1110 (cpp_file_line_for_message): Mark parameter `pfile' with
1112 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1114 * flow.c: Include recog.h.
1115 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1117 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1118 `f' with ATTRIBUTE_UNUSED.
1119 (reposition_prologue_and_epilogue_notes): Likewise.
1121 * genopinit.c (gen_insn): Cast argument of ctype functions to
1124 * haifa-sched.c: Include recog.h.
1125 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1126 comparing against one.
1128 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1130 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1132 (parse_ent): Likewise.
1133 (parse_input): Likewise.
1135 * optabs.c (init_libfuncs): Likewise.
1137 * protoize.c (find_rightmost_formals_list): Likewise.
1139 * recog.h (const_double_operand): Fix typo in prototype.
1141 * tlink.c (scan_linker_output): Cast the argument of ctype
1142 function to `unsigned char'.
1144 * toplev.c (check_lang_option): Cast the result of `strlen' to
1145 `int' when comparing against one.
1147 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1149 * gcse.c (dump_cuid_table): Correct typo.
1151 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1153 * toplev.c (display_help): Prepend '-m' to target specific
1155 (check_lang_option): Ignore text after end of first word of a
1156 language specific option.
1158 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1160 * reload1.c (reg_used_by_pseudo): New static variable.
1161 (choose_reload_regs): Initialize it.
1162 Use it instead of testing spill_reg_order to determine whether a
1163 pseudo is live in a hard register across the current insn.
1164 Fix a typo in a reference to reload_reg_rtx.
1166 * flow.c (propagate_block): Replace code that computes and uses
1167 regs_sometimes_live with simpler code that just walks the set of
1168 currently live registers.
1170 * Makefile.in (insn-extract.o): Fix dependencies.
1171 * genextract.c (main): Generate includes for insn-config.h and
1173 Delete generation of declarations which are now in recog.h.
1174 * genrecog.c (main): Delete generation of definitions which are
1176 * local-alloc.c (block_alloc): Use extract_insn and the variables
1177 it sets up instead of looking up values by insn_code.
1178 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1179 recog_dup_num): Define here instead of generating the definition in
1181 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1182 recog_operand_mode, recog_constraints, recog_operand_address_p):
1184 (extract_insn): New function.
1185 * recog.h (extract_insn): Declare function.
1186 (which_alternative, recog_n_operands, recog_n_dups,
1187 recog_n_alternatives, recog_operand_mode, recog_constraints,
1188 recog_operand_address_p): Declare variables.
1189 * regclass.c (n_occurrences): New static function.
1190 * reload.c (n_occurrences): Delete function.
1191 (find_reloads): Use extract_insn.
1192 * reload.h (n_occurrences): Delete declaration.
1194 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1196 * reload1.c (reload_as_needed): Fix test for when to call
1197 update_eliminable_offsets.
1199 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1201 Fix consistency problems with reg_equiv_{mem,address};
1202 Improve reload inheritance;
1204 * reload.c (reload_out_reg): New variable.
1205 (loc_mentioned_in_p, remove_address_replacements): New functions.
1206 (remove_replacements): Deleted.
1207 (push_reload): Set reload_out_reg[i].
1208 When merging, also set reload_{in,out}_reg[i], and remove
1209 duplicate address reloads.
1210 (combine_reloads): Copy reload_out_reg[i].
1211 (find_reloads): Do make_memloc substitution also when
1212 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1214 Include *recog_operand_loc in commutativity operand changes.
1215 Generate optional output reloads.
1216 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1217 processing operands. Call make_memloc in reg_equiv_address code.
1218 Set *recog_operand_loc only after processing operands, and only
1219 if replace is true. Return a value.
1220 When changing address reload types for operands that didn't get
1221 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1222 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1223 Don't emit USEs for pseudo SUBREGs when not replacing.
1224 (find_reloads_address): Do make_memloc substitution also when
1225 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1227 (find_reloads_toplev): Likewise.
1228 Call make_memloc in reg_equiv_address code.
1229 (debug_reload_to_stream): Add code to output reload_out_reg.
1230 (make_memloc): Delete local variable i, ifdefed out code, and
1231 references to memlocs and n_memlocs.
1232 (memlocs, n_memlocs): Delete.
1233 (push_secondary_reload): Clear reload_out_reg.
1234 (find_reloads_address_1): Provide memrefloc argument to all calls
1235 to find_reloads_address.
1236 In AUTO_INC code, handle non-directly addressable equivalences properly.
1237 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1238 (find_reloads): Add return type.
1239 (remove_address_replacements, deallocate_reload_reg): Declare.
1240 * reload1.c (num_not_at_initial_offset): No longer static.
1241 (delete_address_reloads, delete_address_reloads_1): Likewise.
1242 (deallocate_reload_reg): New function.
1243 (spill_reg_stored_to): New array.
1244 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1245 (eliminate_regs_in_insn): Move assignments of previous_offset and
1246 max_offset fields, and recalculation of num_not_at_initial_offset
1247 into new static function:
1248 (update_eliminable_offsets) .
1249 (reload_as_needed): Call update_eliminable_offsetss after calling
1251 Call forget_old_reloads_1 with contents of reloaded auto_inc
1252 expressions if the actual addressing can't be changed to match the
1254 (choose_reload_regs): For inheritance, replace
1255 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1256 remove stand-alone reload_reg_used_at_all test.
1257 Use reload_out_reg to determine which reload regs have output reloads.
1258 Treat reload_override_in more similar to inherited reloads.
1259 Handle (subreg (reg... for inheritance.
1260 For flag_expensive_optimizations, add an extra pass to remove
1261 unnecessary reloads from known working inheritance.
1262 Delete obsolete code for pseudos replaced with MEMs.
1263 Handle inheritance from auto_inc expressions.
1264 (emit_reload_insns): If reload_in is a MEM, set OLD to
1266 Don't reload directly from oldequiv; if it's a pseudo with a
1267 stack slot, use reload_in[j].
1268 Check that reload_in_reg[j] is a MEM before replacing reload_in
1269 from reg_reloaded_contents.
1270 Include non-spill registers in reload inheritance processing.
1271 Also try to use reload_out_reg to set spill_reg_store /
1272 reg_last_reload_reg.
1273 In code to set new_spill_reg_store, use single_set to find out if
1274 there is a single set.
1275 Add code that allows to delete optional output reloads.
1276 Add code to allow deletion of output reloads that use no spill reg.
1277 At the end, set reload_override_in to oldequiv.
1278 Also call delete_output_reload if reload_out_reg is equal to old
1280 Add code to call delete_output_reload for stores with no matching load.
1281 Set / use spill_reg_stored_to.
1282 Handle case where secondary output reload uses a temporary, but
1283 actual store isn't found.
1284 When looking for a store of a value not loaded in order to call
1285 delete_output_reload, count_occurences should return 0 for no
1286 loads; but discount inherited input reloadill_reg_stored_to.
1287 Do checks for extra uses of REG. Changed all
1289 Use delete_address_reloads.
1290 (reload): Take return value of find_reloads into account.
1291 If a no-op set needs more than one reload, delete it.
1292 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1293 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1294 for the same operand.
1295 (clear_reload_reg_in_use): Check for other reloads that keep a
1297 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1298 RELOAD_FOR_OPADDR_ADDR.
1299 Take into account when an address address reload is only needed
1300 for the address reload we are considering.
1301 (count_occurrences): Use rtx_equal_p for MEMs.
1302 (inc_for_reload): Return instruction that stores into RELOADREG.
1303 New argument two, IN, and rtx. Changed all callers.
1304 (calculate_needs_all_insns, reload_as_needed):
1305 Don't clear after_call for a CLOBBER.
1306 Keep track of how many hard registers need to be copied from
1307 after_call, and don't clear after_call before we have seen
1308 that much copies, or we see a different instruction.
1310 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1312 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1313 after reload has completed.
1315 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1317 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1318 a macro name and the next token with a single blank if that whitespace
1319 is in a macro buffer and the next token is not '('.
1321 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1323 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1325 (skip_if_group): Ditto.
1326 (skip_to_end_of_comment): Ditto.
1328 (discard_comments): Ditto.
1329 (change_newlines): Ditto.
1331 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1333 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1335 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1337 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1338 (TARGET_OPTIONS): Add --help documentation.
1340 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1342 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1344 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1346 * fixinc/* Moved in from ../contrib directory in preparation
1347 for integrating it into the normal build process. In particular,
1348 fixinc/Makefile.in must be config-ed into the build directory
1349 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1350 ./configure.in will be "in the mail" momentarily.
1352 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1354 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1355 accidently walk into the free list. Comment how that can happen.
1356 (invalidate): Fix indentation.
1358 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1359 Jeffrey A Law (law@cygnus.com)
1361 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1362 reload. Never perform rescans of the insn chain after reload.
1363 (propagate_block): Do not delete insn or create new autoinc addressing
1366 * jump.c (jump_optimize): Unconditionally use the code that was
1367 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1368 * reload1.c (reload): When reloading is finished, delete all
1369 REG_DEAD and REG_UNUSED notes.
1370 (emit_reload_insns): Delete all code that was conditional on
1371 PRESERVE_DEATH_INFO_REGNO_P.
1372 (no_longer_dead_regs): Delete variable.
1373 (reload_cse_delete_death_notes): Delete function.
1374 (reload_cse_no_longer_dead): Delete function.
1375 (reload_cse_regs_1): Delete all code to handle deletion of death
1377 (reload_cse_noop_set_p): Likewise.
1378 (reload_cse_simplify_set): Likewise.
1379 (reload_cse_simplify_operands): Likewise.
1380 (reload_cse_move2add): Likewise.
1381 * reorg.c (used_spill_regs): Delete declaration.
1382 (max_label_num_after_reload): Delete declaration.
1383 (find_dead_or_set_registers): Don't assume that spill regs are
1384 dead at a CODE_LABEL.
1385 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1387 * sched.c (sched_analyze_insn): Likewise.
1388 (update_flow_info): Likewise.
1389 * haifa-sched.c (sched_analyze_insn): Likewise.
1390 (update_flow_info): Likewise.
1391 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1392 * toplev.c (max_label_num_after_reload): Delete variable.
1393 (rest_of_compilation): Don't set max_label_num_after_reload.
1394 Call life_analysis after reload_cse_regs if optimizing.
1395 * config/gmicro/gmicro.h: Delete comment referring to
1396 PRESERVE_DEATH_INFO_REGNO_P.
1397 * config/i386/i386.h: Likewise.
1398 * config/m88k/m88k.h: Likewise.
1399 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1400 * config/sh/sh.h: Likewise.
1402 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1404 * loop.c (strength_reduce): Restore marking bct_p as
1406 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1407 HAVE_decrement_and_branch_on_count.
1408 (small_data_operand): Remove TARGET_ELF condition for marking
1409 parameters ATTRIBUTE_UNUSED.
1411 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1413 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1414 (SELECT_SECTION): Resync with svr4.h.
1416 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1418 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1421 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1423 * c-pragma.c (handle_pragma_token): Test for null tree before
1424 dereferencing TREE_CODE.
1426 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1428 * config/c4x/c4x.c: Convert to use GEN_INT.
1429 (c4x_parallel_process): Rework to handle new repeat loop structure.
1431 * config/c4x/c4x.md: Convert to use GEN_INT.
1432 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1433 (decrement_and_branch_on_count): Likewise.
1435 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1436 loop.c has the desired functionality.
1437 (rc_reg_operand): New prototype.
1439 * config/c4x/t-c4x: Can now build all front ends.
1441 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1443 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1445 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1447 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1448 * config/t-rtems: Do not install assert.h -- use newlib's.
1450 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1452 * combine.c (combine_instructions): When finished, call init_recog.
1453 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1455 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1457 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1459 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1461 * cppalloc.c (memory_full): Mark function prototype with
1464 * demangle.h (collect_exit): Likewise.
1466 * fix-header.c (v_fatal, fatal): Likewise.
1468 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1471 * gcov.c (print_usage): Likewise.
1473 * genattr.c (fatal, fancy_abort): Likewise.
1475 * genattrtab.c (fatal, fancy_abort): Likewise.
1477 * gencodes.c (fatal, fancy_abort): Likewise.
1479 * genconfig.c (fatal, fancy_abort): Likewise.
1481 * genemit.c (fatal, fancy_abort): Likewise.
1483 * genextract.c (fatal, fancy_abort): Likewise.
1485 * genflags.c (fatal, fancy_abort): Likewise.
1487 * genopinit.c (fatal, fancy_abort): Likewise.
1489 * genoutput.c (fatal, fancy_abort): Likewise.
1491 * genpeep.c (fatal, fancy_abort): Likewise.
1493 * genrecog.c (fatal, fancy_abort): Likewise.
1495 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1496 __sjpopnthrow, __throw): Likewise.
1498 * objc/objc-act.c (objc_fatal): Likewise.
1500 * protoize.c (usage, aux_info_corrupted,
1501 declare_source_confusing): Likewise.
1503 * rtl.c (dump_and_abort): Likewise.
1505 * rtl.h (sets_cc0_p): Likewise.
1507 * toplev.c (float_signal, pipe_closed): Likewise.
1509 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1511 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1512 when generating the decision tree for the general case.
1514 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1515 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1517 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1519 * Makefile.in (sched.o): Depend on recog.h.
1521 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1522 (unsigned) when comparing against one.
1523 (find_base_value): Likewise.
1524 (record_base_value): Cast variable `regno' to (unsigned) when
1525 comparing against one. Cast the result of REGNO() macro to
1526 (unsigned) when comparing against one.
1527 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1529 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1530 variable where an unsigned index is needed.
1532 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1533 before comparing against one.
1535 * collect2.c: Add prototypes for functions `error', `fatal' and
1536 `fatal_perror'. Make these functions take variable arguments
1537 instead of faking it with a fixed number of args.
1538 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1541 * combine.c (can_combine_p): Mark parameter `pred' with
1543 (find_split_point): Cast variable `src' to (unsigned
1544 HOST_WIDE_INT) when comparing against one.
1545 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1546 (simplify_logical): Likewise.
1547 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1548 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1549 HOST_WIDE_INT) in shift.
1550 (simplify_and_const_int): Cast result of INTVAL() macro to
1551 `unsigned HOST_WIDE_INT' when comparing against one.
1552 (merge_outer_ops): Cast variable const0 to `unsigned
1553 HOST_WIDE_INT' when comparing against the result of
1554 GET_MODE_MASK() macro.
1555 (simplify_comparison): Likewise for variable `c0'. Cast variable
1556 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1557 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1558 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1559 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1560 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1561 comparing against one.
1562 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1564 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1565 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1566 (output_block_move): Cast `sizeof' expression to (int) when
1567 comparing against one.
1568 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1570 (save_restore_insns): Cast `base_offset' to `long' to match format
1571 specifier in fprintf.
1573 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1574 to `enum machine_mode'.
1576 * flow.c (life_analysis_1): Remove unused variable `insn'.
1578 * gcc.c (translate_options): Move variables `j' and `k' into the
1579 scope in which they are used. Change their types to `size_t'.
1580 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1581 (read_specs): Likewise.
1582 (process_command): Cast `sizeof' to (int) when comparing against one.
1583 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1584 (handle_braces): Cast both sides of `==' expression to `long' to
1585 ensure sign matching.
1586 (main): Cast variable `i' to `int' when comparing against one.
1588 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1589 int to size_t. Cast variable `i' to size_t when comparing against
1592 * genattrtab.c (convert_set_attr_alternative): Remove unused
1593 parameter `insn_code'. All callers changed.
1594 (convert_set_attr): Likewise.
1596 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1597 size_t when comparing against one. Likewise for variable `len'.
1599 * global.c (global_alloc): Cast variable `max_regno' to size_t
1600 when comparing against one. Likewise for variable `max_allocno'.
1602 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1604 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1605 `set' with ATTRIBUTE_UNUSED.
1606 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1609 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1610 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1611 (get_condition): Cast variable `const_val' to `unsigned
1612 HOST_WIDE_INT' when comparing against one. Cast unsigned
1613 expression to HOST_WIDE_INT when comparing against one.
1614 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1615 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1616 `unsigned' when comparing against one.
1618 * protoize.c (is_id_char): Change type of parameter `ch' to
1620 (munge_compile_params): Cast argument of ctype macro to (const
1622 (process_aux_info_file): Cast variable `aux_info_size' to int when
1623 comparing against one.
1624 (forward_to_next_token_char): Cast argument of ctype macro to
1625 `const unsigned char'.
1626 (edit_formals_lists): Likewise.
1627 (find_rightmost_formals_list): Likewise.
1628 (add_local_decl): Likewise.
1629 (add_global_decls): Likewise.
1630 (edit_fn_definition): Likewise.
1631 (do_cleaning): Likewise.
1632 (scan_for_missed_items): Likewise.
1633 (edit_file): Cast variable `orig_size' to (int) when comparing
1635 (main): Cast argument of ctype macro to `const unsigned char'.
1637 * recog.c (const_int_operand): Mark parameter `mode' with
1640 * regclass.c (record_reg_classes): Change type of variable `c' to
1641 `unsigned char'. Cast `char' array index to `unsigned char'.
1643 * reload.c (push_secondary_reload): Cast argument to
1644 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1646 * reload1.c (calculate_needs): Cast `char' array index to
1648 (set_label_offsets): Change type of variable `i' to unsigned int.
1649 Cast result of XVECLEN() macro to unsigned when comparing against
1651 (mark_not_eliminable): Change type of variable `i' to unsigned.
1652 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1653 when comparing against one.
1654 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1655 comparing against one.
1656 (choose_reload_regs): Hide unused label `fail'.
1657 (reload_cse_simplify_operands): Cast `char' array index to
1659 (reload_combine_note_store): Mark parameter `set' with
1660 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1662 (reload_cse_move2add): Remove unused variable `src2'.
1664 * sched.c: Include recog.h.
1665 (sched_note_set): Remove unused parameter `b'. All callers
1667 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1668 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1669 when comparing against one.
1671 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1672 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1673 comparing against one.
1675 * unroll.c (precondition_loop_p): Remove unused parameter
1676 `loop_end'. All callers changed.
1678 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1680 * reload1.c (maybe_fix_stack_asms): New static function.
1683 * reload.h (compute_use_by_pseudos): Declare.
1685 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1686 (something_needs_reloads): Delete variable.
1687 (finish_spills): New function.
1688 (compute_use_by_pseudos): New function.
1690 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1691 Use the reload_insn_chain instead of walking the rtl directly.
1693 (reload): Allocate and free spilled_pseudos.
1694 Ensure that all calls of spill_hard_reg are followed by a call to
1696 Use the insns_need_reload list instead of something_needs_reloads
1697 to find out if reload_as_needed must be called.
1698 Clear unused_insn_chains at the end.
1700 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1702 Delete code to keep track of current basic block.
1703 Walk reload_insn_chain instead of the rtl structure. Build the
1704 insns_need_reload chain.
1705 Remember which insns need reloading/elimination by setting the
1706 appropriate fields in struct insn_chain, not by putting modes on the
1709 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1710 arg INSN. All callers changed.
1711 Delete declaration of struct needs.
1712 Don't set something_needs_reloads.
1713 Record insn needs in the CHAIN argument.
1715 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1717 (reload_as_needed): Lose FIRST arg. All callers changed.
1718 Walk the reload_insn_chain instead of the rtx structure.
1719 Delete code to keep track of current basic block.
1720 Rename one of the NEXT variables to OLD_NEXT.
1722 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1724 (choose_reload_regs): Likewise.
1726 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1729 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1730 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1731 (hard_regs_live, hard_regs_need_restore): Delete variables.
1732 (n_regs_saved): Now static.
1733 (referenced_regs, this_insn_sets): New variables.
1735 (setup_save_areas): Restructure the code a bit.
1737 (restore_referenced_regs): Delete function.
1738 (mark_referenced_regs): New function, similar to the old
1739 restore_referenced_regs, but mark registers in referenced_regs.
1741 (clear_reg_live): Delete function.
1742 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1743 Only mark registers in this_insn_sets.
1745 (save_call_clobbered_regs): Rework this function to walk the
1746 reload_insn_chain instead of using the list of instructions directly.
1747 Delete code to keep track of register lives, compute live regs on the
1748 fly from information in the chain.
1749 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1750 then walk the set it computes and call insert_restore as appropriate.
1752 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1754 Restructure the code a bit. Test hard_regs_saved instead of
1755 hard_regs_need_restore.
1756 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1757 args. All callers changed.
1758 Restructure the code a bit. Use TO_SAVE to determine which regs to
1759 save instead of more complicated test.
1760 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1762 Create a new insn_chain structure for the new insn and place it
1765 * rtl.texi: Update documentation to reflect that reload no longer
1766 puts modes on the insns.
1768 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1770 * function.c (purge_addressof_1): Force the first argument of a
1771 CALL insn to memory.
1773 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1775 * rtl.h: Delete duplicate prototypes. Add some missing
1777 * rtlanal.c: (for_each_rtx): Formatting tweak.
1779 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1781 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1782 to be compatible with TI compiler.
1784 * Makefile.in (USER_H): Add va-c4x.h to definition.
1786 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1788 * function.c (purge_addressof_1): Fix typo in inequality: do
1789 bitfield optimization for equal mode sizes.
1790 * expmed.c (store_bit_field): Don't take subregs of subregs in
1791 the movstrict case. Tidy a potential problem in the multi-word case.
1792 (extract_bit_field): Likewise.
1794 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1796 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1798 Compute max_uid_for_flow by calling get_max_uid after the scan.
1799 (find_basic_blocks_1): Don't emit NOPs here.
1801 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1803 * alias.c (base_alias_check): Accept new args for the modes of the
1804 two references. Use them to determine if an AND can overlap. Update
1806 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1807 to determine if an AND can overlap.
1809 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1811 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1812 check. Add comment to document problems with TARGET_SUN_FPA version
1814 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1816 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1818 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1820 * c-common.c (print_char_table): Add missing initializers.
1821 (scan_char_table): Likewise.
1822 (time_char_table): Likewise.
1824 * c-decl.c (c_decode_option): Mark parameter `argc' with
1826 (declare_parm_level): Mark parameter `definition_flag' with
1829 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1830 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1833 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1835 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1837 (expand_call): Cast result of MIN() to (unsigned int) when
1838 comparing against an unsigned value.
1840 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1842 (make_definition): Remove unused parameter `op'. All callers
1844 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1845 comparing against the result of pointer arithmetic.
1847 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1848 when comparing against one.
1850 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1851 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1853 (output_die): Move variable `i' into the scope in which it is
1854 used. Change its type to `unsigned'.
1855 (output_die): Cast the result of `strlen' to (int) when passing it
1856 to ASM_OUTPUT_ASCII().
1857 (output_pubnames): Likewise.
1858 (output_line_info): Likewise.
1860 * emit-rtl.c (global_rtl): Add missing initializers.
1862 * explow.c (promote_mode): Mark parameter `for_call' with
1865 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1866 `unsigned HOST_WIDE_INT' when comparing against one.
1867 (synth_mult): Change type of variable `cost' to int.
1868 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1870 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1871 when comparing against one.
1872 (get_inner_reference): Change variable `alignment' to unsigned.
1873 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1874 int) when comparing against one.
1875 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1877 * fold-const.c (div_and_round_double): Cast BASE to
1878 (HOST_WIDE_INT) when comparing against one.
1880 * gencheck.c: Include gansidecl.h.
1881 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1883 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1884 `tcode' with ATTRIBUTE_UNUSED.
1886 * real.c (edivm): Cast constant value to (unsigned long) in
1887 expression compared against an unsigned value.
1889 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1890 comparing against one.
1891 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1892 when comparing against one.
1894 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1895 (unsigned int) when comparing against one. Likewise for
1897 (smallest_mode_for_size): Likewise.
1898 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1899 (restore_storage_status): Likewise.
1901 * toplev.c (debug_args): Add missing initializer.
1902 (f_options): Spelling correction. Add missing initializers.
1903 (documented_lang_options): Likewise.
1904 (debug_end_source_file): Mark parameter `lineno' with
1907 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1908 `decl' and `type' with ATTRIBUTE_UNUSED.
1910 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1911 when comparing against one.
1912 (assemble_variable): Mark parameter `top_level' with
1914 (assemble_external_libcall): Mark parameter `fun' with
1916 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1919 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1921 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1922 Replace use of r5 with use of r19.
1924 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1926 * config/v850/v850.c (compute_register_save_size): Allow for the
1927 fact that helper functions save all registers, not just those used
1930 Replace constant 31 with macro LINK_POINTER_REGNUM.
1932 * config/v850/v850.md: Use 'indirect_operand' rather than
1933 'memory_operand' for bit test/set/clear patterns.
1935 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1937 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1938 * varasm.c (assemble_start_function et al): Don't call
1939 ASM_GLOBALIZE_LABEL for weak symbols.
1941 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1943 * cse.c (equiv_constant): Check for NULL return from
1944 gen_lowpart_if_possible().
1946 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1948 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1950 * collect2.c (main): Pass -EL/-EB through to the compiler.
1952 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1954 * expr.c (push_block): Handle targets where the stack grows
1955 to higher addresses, but args grow to lower addresses and
1956 ACCUMULATE_OUTGOING_ARGS is not defined.
1958 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1960 * config/v850/v850.c (print_operand): Extend meaning
1961 of 'c' operands to support .vtinherit.
1963 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1965 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1966 Added ATTRIBUTE_UNUSED to unused function arguments.
1967 (rc_reg_operand): New predicate.
1968 (c4x_rptb_insert): New function.
1969 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1970 (c4x_optimization_options): New function.
1972 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1973 (decrement_and_branch_on_count): New pattern.
1974 (rptb_top): Modified pattern to work with BCT optimization.
1976 * config/c4x/c4x.h (RC_REG): New register class.
1977 (rc_reg_operand): Define prototype.
1978 (IS_RC_REG): New macro.
1979 (IS_RC_OR_PSEUDO_REG): New macro.
1980 (IS_RC_OR_PSEUDO_REGNO): New macro.
1981 (OPTIMIZATION_OPTIONS): Define.
1983 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
1985 * collect2.c (extract_init_priority): No priority is 65535.
1987 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1989 * Makefile.in (build_tooldir): new variable, same as old
1990 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
1991 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
1992 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
1994 * configure.in (gxx_include_dir): set default based on unlibsubdir
1995 * Makefile.in (tooldir): ditto
1996 (cccp.o, cpplib.o): use unlibsubdir implicitly through
1997 gxx_include_dir, includedir and tooldir
1998 (protoize.o, unprotoize.o): ditto
2000 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2002 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2004 * config/arm/thumb.c (thumb_override_options): Add warning about
2005 PIC code not being supported just yet.
2007 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2009 * flow.c: Update comment.
2010 (notice_stack_pointer_modification): New static function.
2011 (record_volatile_insns): Use it.
2012 (mark_regs_live_at_end): Mark the stack pointer as alive
2013 at the end of the function if current_function_sp_is_unchanging
2015 (life_analysis_1): Set current_function_sp_is_unchanging.
2016 * function.c: Define it.
2017 (init_function_start): Initialize it.
2018 * output.h: Declare it.
2019 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2020 the stack pointer as alive at the end of the function if
2021 current_function_sp_is_unchanging is set.
2022 * i386.c (ix86_epilogue): Optimize the restoring
2023 of the stack pointer.
2025 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2027 * version.c: Bump for snapshot.
2029 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2031 * c-pragma.c (handle_pragma_token): If passed a token instead
2032 of a tree, use that as the pack value.
2034 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2036 * flow.c (find_basic_blocks_1): Fix prototype.
2038 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2040 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2041 (struct tree_decl): New fields no_check_memory_usage.
2042 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2043 (init_attributes): Register it as a new attribute.
2044 (decl_attributes): Set flags on functions given that attribute.
2045 * c-decl.c (duplicate_decls): Merge new attribute.
2046 * expr.h (current_function_check_memory_usage): Declare new var.
2047 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2048 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2049 current_function_check_memory_usage.
2050 * function.h: Add field to struct function.
2051 * function.c (current_function_check_memory_usage): Define it.
2052 (push_function_context_to, pop_function_context_from): Save and
2054 (expand_function_start): Set it, based on global flag and function
2057 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2058 check non-automatic variables, to permit detection of writes to
2059 read-only locations in embedded systems without memory management.
2060 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2061 when emitting chkr_set_right_libfunc call, even if the argument is
2062 BLKmode or variable-sized; don't abort.
2064 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2065 symbols in Pmode, not VOIDmode.
2067 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2069 * cppexp.c: When forcing unsigned comparisons, cast both sides
2072 * cpphash.h: Move static declaration of hashtab[]...
2073 * cpphash.c: ...here.
2075 * cpplib.c: Cast difference of two pointers to size_t before
2076 comparing it to size_t. Cast signed to unsigned
2077 before comparing to size_t. (FIXME: struct argdata should use
2078 unsigned buffer sizes.)
2079 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2080 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2081 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2082 size_t before comparison.
2084 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2086 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2087 (find_basic_blocks_1): Similarly.
2088 * output.h (find_basic_blocks): Fix prototype.
2089 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2090 find_basic_blocks anymore.
2092 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2094 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2095 (sbitmap_free, sbitmap_vector_free): New macros.
2096 * output.h (rtl_dump_file): Declare.
2098 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2100 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2102 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2104 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2106 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2107 (divide): Remove unused variable `tmp'.
2108 (si_to_float): Cast numeric constant to (SItype) before comparing
2111 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2113 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2114 * gcc.c (add_preprocessor_option): Correct typo when allocating
2115 memory, sizeof() argument had one too many `*'.
2116 (add_assembler_option): Likewise.
2117 (add_linker_option): Likewise.
2118 * gcov.c (output_data): Likewise.
2119 * local-alloc.c (memref_used_between_p): Likewise.
2120 (update_equiv_regs): Likewise.
2121 * loop.c (strength_reduce): Likewise.
2122 * reg-stack.c (record_asm_reg_life): Likewise.
2123 (subst_asm_stack_reg): Likewise.
2124 * reorg.c (dbr_schedule): Likewise.
2126 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2128 * flow.c (life_analysis_1): Break out some functions.
2129 (find_basic_blocks_1): Likewise. Also move some variables out and
2131 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2132 new static var nonlocal_label_list with it.
2133 (active_eh_region, nested_eh_region, label_value_list,
2134 nonlocal_label_list): New static variables.
2135 (make_edges, delete_unreachable_blocks, delete_block): New static
2136 functions, broken out of find_basic_blocks_1.
2137 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2138 noop_move_p): New static functions, broken out of life_analysis_1.
2140 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2142 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2143 Take extra care for op0 now possibly being a subreg.
2144 (extract_bit_field): Likewise.
2145 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2146 the reg to memory if there is no equal sized integral mode.
2147 * stor-layout.c (int_mode_for_mode): New function.
2148 * machmode.h: Prototype it.
2150 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2152 * global.c (build_insn_chain): Verify no real insns exist past the
2153 end of the last basic block, then exit the loop.
2155 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2157 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2159 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2161 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2163 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2165 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2167 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2169 * flow.c (find_basic_blocks): Correctly determine when a call
2170 is within an exception region.
2172 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2174 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2176 * cpplib.h: Protect from multiple inclusions.
2177 * cpplib.c: Fix minor formatting problems.
2179 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2181 * jump.c (jump_optimize): Revert accidental patch.
2183 * Makefile.in (cpplib.o): Use unlibsubdir.
2185 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2187 * loop.c (get_condition): Allow combine when either compare is
2190 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2192 * version.c: Bump for snapshot.
2194 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2196 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2197 (init_lex): Initialize ridpointers[RID_BYREF].
2198 * c-lex.h (enum rid): Add RID_BYREF.
2199 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2200 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2201 (encode_type_qualifiers): Similarly
2202 * c-gperf.h: Rebuilt.
2204 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2206 * c-common.c (type_for_mode): Only return TItype nodes when
2207 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2208 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2209 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2210 (init_decl_processing): Only create TItype nodes when
2211 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2212 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2213 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2215 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2217 * stmt.c (n_occurrences): New static function.
2218 (expand_asm_operands): Verify that all constrains match in the
2219 number of alternatives.
2220 Verify that '+' or '=' are at the beginning of an output constraint.
2221 Don't allow '&' for input operands.
2222 Verify that '%' isn't written for the last operand.
2223 * reload.c (find_reloads): Abort if an asm is found with invalid
2224 constraints; all possible problems ought to be checked for earlier.
2226 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2228 * flags.h (flag_branch_on_count_reg): Always declare
2229 * toplev.c (flag_branch_on_count_reg): Likewise.
2230 * toplev.c: Fix typos.
2232 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2235 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2237 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2239 (find_basic_blocks_1): Add a nop to the end of a basic block when
2240 a trailing call insn does not have abnormal control flow.
2241 * gcse.c (pre_transpout): New variable.
2242 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2243 (compute_pre_transpout): Calculate it.
2244 (compute_pre_ppinout): Use it to eliminate impossible placements
2245 due to abnormal control flow through calls.
2246 (compute_pre_data): Call compute_pre_transpout.
2248 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2250 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2252 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2254 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2255 and matching define_insns): Tack on a `use' of the table label, so
2256 flow analysis will recognize a tablejump.
2258 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2260 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2261 always end basic blocks for abnormal edge reasons.
2263 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2265 * config/i386/i386.h: Remove definition of
2266 HANDLE_PRAGMA_PACK_PUSH_POP.
2268 * config/i386/go32.h: Add definition of
2269 HANDLE_PRAGMA_PACK_PUSH_POP.
2271 * config/i386/win32.h: Add definition of
2272 HANDLE_PRAGMA_PACK_PUSH_POP.
2274 * config/i386/cygwin32.h: Add definition of
2275 HANDLE_PRAGMA_PACK_PUSH_POP.
2277 * c-pragma.c (insert_pack_attributes): Do not insert
2278 attributes unless #pragma pack(push,<n>) is in effect.
2280 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2282 * expr.c (emit_group_store): Handle a PARALLEL destination.
2284 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2286 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2287 the new insns before the argument regs are loaded.
2289 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2292 (c-parse.gperf): Update comments describing invocation flags.
2293 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2295 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2297 * reload1.c (reload): Call free before clobbering the memory
2298 locations or constants pointers.
2300 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2302 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2303 for efficiency by checking whether we need to modify the current
2304 stack permission at all.
2305 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2306 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2307 __enable_execute_stack libcall here too if
2308 TRANSFER_FROM_TRAMPOLINE is defined.
2309 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2312 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2314 * Makefile.in (DRIVER_DEFINES): Remove last change.
2316 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2318 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2319 insns we're going to copy.
2320 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2322 * loop.c (count_one_set): Add prototype.
2324 * caller-save.c (restore_referenced_regs): Lose mode argument.
2325 (insert_save): Lose mode argument.
2326 (insert_restore): Lose mode argument.
2327 (insert_one_insn): Lose mode argument.
2328 (save_call_clobbered_regs): Lose mode argument.
2329 (setup_save_areas): Take no argument and return void. All callers
2331 Don't verify validity of memory addresses.
2332 * reload.h (setup_save_ares): Adjust prototype.
2333 (save_call_clobbered_regs): Likewise.
2334 * reload1.c (delete_caller_save_insns): New function.
2335 (caller_save_spill_class): Delete variable.
2336 (caller_save_group_size): Delete variable.
2337 (reload): Call setup_save_areas and save_call_clobbered_regs
2338 in the main loop, before calling calculate_needs_all_insns.
2339 Don't call save_call_clobbered_regs after the loop.
2340 Call delete_caller_save_insns at the end of an iteration if
2342 Delete code to manage caller_save_spill_class.
2343 Emit the final note before setting reload_first_uid.
2344 Simplify test that determines whether reload_as_needed gets run.
2345 (calculate_needs): Delete code to manage caller_save_spill_class.
2347 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2349 * collect2.c (main): Initialize ld_file_name.
2351 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2353 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2354 check for flag_function_sections.
2356 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2358 * cse.c (insert_regs): Fix bug in Sep 24 change.
2360 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2362 * flags.h (flag_dump_unnumbered): Declare.
2363 * toplev.c (flag_dump_unnumbered): Don't declare.
2364 * print-rtl.c (flags.h): Include.
2365 (print_rtl_single): Add return value.
2366 * rtl.h (print_rtl_single): Update declaration.
2367 * flow.c (flag_dump_unnumbered): Don't declare.
2368 (print_rtl_with_bb): Use return value of print_rtl_single.
2370 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2372 * loop.c (count_one_set): New static function, broken out of
2374 (count_loop_regs_set): Call it.
2375 * global.c (mark_reg_store): Handle clobbers here by not calling
2377 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2378 is in fact a clobber.
2379 * integrate.c (process_reg_param): New function, broken out of
2380 expand_inline_function.
2381 (expand_inline_function): Call it.
2384 * i386.md (addsidi3_1): Delete unused variable temp.
2385 (addsidi3_2): Likewise.
2386 (clstrstrsi): Delete unused variable addr1.
2388 * rtl.h: Don't declare any functions also declared in recog.h.
2390 * Makefile.in (stupid.o): Update dependencies.
2391 (global.o): Likewise.
2393 * global.c: Include reload.h
2394 (reg_becomes_live): New function.
2395 (reg_dies): New function.
2396 (build_insn_chain): New function.
2397 (global_alloc): Call build_insn_chain before calling reload.
2399 * reload.h (struct needs): New structure definition.
2400 (struct insn_chain): Likewise.
2401 (reload_insn_chain): Declare variable.
2402 (new_insn_chain): Declare function.
2405 * reload1.c (reload_startobj): New variable.
2406 (reload_insn_chain): New variable.
2407 (unused_insn_chains): New variable.
2408 (new_insn_chain): New function.
2409 (init_reload): Initialize reload_startobj, not reload_firstobj.
2410 (reload): Initialize reload_firstobj.
2411 Before returning, free everything on the reload_obstack.
2413 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2414 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2415 current_chain): New variables.
2416 (reg_where_born): Delete variable.
2417 (REG_WHERE_BORN): New macro.
2418 (find_clobbered_regs): New function.
2419 (stupid_life_analysis): Don't allocate/free reg_where_born.
2420 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2421 reg_where_dead_chain.
2422 Use REG_WHERE_BORN instead of reg_where_born.
2423 While processing the insns, build the reload_insn_chain with
2424 information about register lifetimes.
2425 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2426 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2428 Compute and information about birth and death of pseudo registers in
2429 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2430 Delete code to set elements of reg_where_born.
2432 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2434 * tree.def (GOTO_EXPR): Modified documentation.
2435 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2438 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2440 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2441 loop_final_value, loop_comparison_code): No longer static.
2442 (unroll_loop): Delete loop_start_value update.
2443 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2444 loop_final_value, loop_comparison_code): Extern.
2445 (loop_start_value): Delete extern.
2446 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2447 loop_comparison_value, loop_comparison_code): Delete.
2448 (loop_optimize): Remove initialization for deleted variables.
2449 (strength_reduce): Delete analyze_loop_iterations call. Only call
2450 insert_bct if flag_branch_count_on_reg set.
2451 (analyze_loop_iterations): Delete.
2452 (insert_bct): Remove iteration count calculation. Move checks for
2453 viable BCT optimization to here. Obtain iteration count from
2454 loop_iterations and correct for unrolling. Check for enough
2455 iteration to be beneficial. Comment out runtime iteration count
2457 (insert_bct): Print iteration count in dump file. Remove
2458 loop_var_mode and use word_mode directly.
2460 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2461 * rs6000.c (rs6000_override_options): Use it.
2462 (optimization_options): Enable use of flag_branch_on_count_reg.
2463 * rs6000.md (define_function_unit): Describe 604e.
2465 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2467 * loop.c (move_movables): Corrected threshold calculation for
2468 moved_once registers.
2470 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2472 * loop.c (combine_givs_p): Fix test for identical givs.
2474 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2476 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2477 call abort if the function is already defined.
2479 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2481 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2482 truncation is not a no-op.
2484 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2486 * version.c: Bump for snapshot.
2488 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2490 * version.c: Bump for snapshot.
2492 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2494 * expmed.c (expand_divmod): Don't widen for computing remainder
2495 if we seem to have a divmod pattern for needed mode.
2497 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2499 * cpplib.c (macroexpand): Correct off-by-one error in handling
2502 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2504 * combine.c (expand_field_assignment): Don't do bitwise operations
2505 on MODE_FLOAT; pun to MODE_INT if possible.
2507 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2508 scott snyder <snyder@d0sgif.fnal.gov>
2510 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2511 linker. Recognize mangled names in quotes.
2513 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2515 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2516 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2517 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2518 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2520 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2522 * function.c (purge_addressof_1): If trying to take a sub-word
2523 integral piece of a floating point mode, put it on the stack.
2525 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2527 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2529 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2531 * PROJECTS: Remove template friends.
2533 * collect2.c (sort_ids): Remove unused variable.
2535 * tm.texi (MATH_LIBRARY): Document.
2536 (NEED_MATH_LIBRARY): Remove.
2538 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2539 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2541 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2543 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2544 last_end to 0x7fffffff.
2546 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2548 * function.c (purge_addressof_1): Do not perform endianness
2549 corrections on bitpos, who we call will do it for us.
2551 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2553 * h8300.c (WORD_REG_USED): Fix typo.
2554 (initial_offset): Use WORD_REG_USED.
2556 * h8300.c (handle_pragma): Fix typo.
2558 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2560 * caller-save.c (insert_save_restore): Break this function up
2561 into new functions insert_restore, insert_save and insert_one_insn.
2562 All callers changed.
2563 (insert_restore): New function, mostly broken out of
2564 insert_save_restore.
2565 (insert_save): Likewise.
2566 (insert_one_insn): Likewise.
2567 (restore_referenced_regs): New argument BLOCK. All callers changed.
2568 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2569 in this function, do it in insert_one_insn instead.
2571 * reload1.c (reload): Break out some more pieces into separate
2573 (dump_needs): New function, broken out of reload.
2574 (set_initial_elim_offsets): Likewise.
2575 (init_elim_table): Likewise.
2576 (update_eliminables): Likewise.
2578 * global.c (global_alloc): Delete code to manage the scratch_list.
2579 * local-alloc.c (qty_scratch_rtx): Delete.
2580 (scratch_block): Delete.
2581 (scratch_list): Delete.
2582 (scratch_list_length): Delete.
2583 (scratch_index): Delete.
2584 (alloc_qty_for_scratch): Delete.
2585 (local-alloc): Update initialization of max_qty.
2586 Delete code to manage the scratch list.
2587 Delete code to allocate/initialize qty_scratch_rtx.
2588 (block_alloc): Don't allocate quantities for scratches.
2589 Delete code to manage the scratch list.
2590 * regs.h (scratch_list): Delete declaration.
2591 (scratch_block): Delete declaration.
2592 (scratch_list_length): Delete declaration.
2593 * reload1.c (reload): Delete code to manage the scratch list.
2594 (spill_hard_reg): Likewise.
2595 (mark_scratch_live): Delete.
2597 * recog.c (alter_subreg): Delete declaration.
2599 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2601 * Makefile.in (cccp.o): Fix typo in last patch.
2603 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2605 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2606 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2608 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2610 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2611 NULL_RTX as an argument.
2613 * Makefile.in (unlibsubdir): Define.
2614 (DRIVER_DEFINES): Use unlibsubdir.
2615 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2616 (stmp-fixinc): Similarly.
2618 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2620 * regmove.c (regmove_optimize): Add variable old_max_uid.
2621 At the end of the function, update basic_block_end.
2623 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2625 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2626 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2629 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2631 * config/arm/arm.c: Improve interworking support.
2633 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2635 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2636 copied from reload_out[r] .
2638 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2640 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2641 with more than three size ranges.
2643 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2645 * rtl.c (mode_name): Add a null string at the end of the array.
2646 (mode_wider_mode): Change type to unsigned char.
2647 (mode_mask_array): New variable.
2648 (init_rtl): Update for mode_wider_mode type change.
2650 * rtl.h (mode_wider_mode): Change type to unsigned char.
2651 (mode_mask_array): Declare.
2652 (GET_MODE_MASK): Use mode_mask_array.
2654 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2656 * calls.c (expand_call) : Encapsulate code into
2657 copy_blkmode_from_reg.
2658 * expr.c (copy_blkmode_from_reg): New function.
2659 * expr.h (copy_blkmode_from_reg): New function.
2660 * integrate.c (function_cannot_inline_p): We can inline
2662 (expand_inline_function): Use copy_blkmode_from_reg
2663 if needed. Avoid creating BLKmode REGs.
2664 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2667 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2669 * config/v850/v850.c: Add function prototypes.
2670 Add support for v850 special data areas.
2672 * config/v850/v850.h: Add support for v850 special data areas.
2674 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2675 HANDLE_PRAGMA_PACK_PUSH_POP.
2676 (push_alignment): New function: Cache an alignment requested
2677 by a #pragma pack(push,<n>).
2678 (pop_alignment): New function: Pop an alignment from the
2680 (insert_pack_attributes): New function: Generate __packed__
2681 and __aligned__ attributes for new decls whilst a #pragma pack
2683 (add_weak): New function: Cache a #pragma weak directive.
2684 (handle_pragma_token): Document calling conventions. Add
2685 support for #pragma pack(push,<n>) and #pragma pack (pop).
2687 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2688 are defined enable HANDLE_PRAGMA_PACK.
2689 Move 'struct weak_syms' here (from varasm.c).
2690 Add pragma states for push and pop pragmas.
2692 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2695 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2696 HANDLE_GENERIC_PRAGMAS.
2698 * varasm.c: Move definition of 'struct weak_syms' into
2700 (handle_pragma_weak): Deleted.
2702 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2704 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2706 * c-decl.c (start_function): Add invocation of
2707 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2709 * tm.texi: Remove description of non-existant macro
2710 SET_DEFAULT_SECTION_NAME.
2712 (HANDLE_SYSV_PRAGMA): Document.
2713 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2715 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2717 * config.sub: Recognize i[34567]86-pc-udk as new target.
2718 * configure.in: Likewise.
2719 * config/i386/t-udk: New file.
2720 * config/i386/udk.h: New file.
2722 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2724 * reorg.c (check_annul_list_true_false): Remove unused variables.
2725 (steal_delay_list_from_target): Add missing "used_annul" variable.
2726 (try_merge_delay_insns): Close out half formed comment.
2728 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2730 * cpplib.c (macroexpand): If arg->raw_before or
2731 arg->raw_after, remove any no-reexpansion escape at the
2732 beginning of the pasted token. Correct handling of whitespace
2733 markers and no-reexpand markers at the end if arg->raw_after.
2735 * toplev.c (documented_lang_options): Recognize -include,
2736 -imacros, -iwithprefix, -iwithprefixbefore.
2737 * cpplib.c (cpp_start_read): Process -imacros and -include
2738 switches at the same time and in command-line order, after
2739 initializing the dependency-output code. Emit properly nested
2740 #line directives for them. Emit a #line for the main file
2741 before processing these switches, and don't do it again
2744 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2746 * function.c (purge_addressof_1): Use bitfield manipulation
2747 routines to handle mem mode < reg mode.
2749 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2751 * reorg.c (try_merge_delay_insns): Account for resources referenced
2752 in each instruction in INSN's delay list before trying to eliminate
2753 useless instructions. Similarly when looking at a trial insn's delay
2756 * reorg.c (check_annul_list_true_false): New function.
2757 (steal_delay_list_from_{target,fallthrough}): Call it and also
2758 refine tests for when we may annul if already filled a slot.
2759 (fill_slots_from_thread): Likewise.
2760 (delete_from_delay_slot): Return newly-created thread.
2761 (try_merge_delay_isns): Use its new return value.
2763 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2765 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2766 used to compute a giv or as some other non-counting use.
2768 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2770 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2771 * local-alloc.c (find_free_reg): Use it.
2772 * global.c (find_reg): Likewise.
2773 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2775 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2776 * caller-save.c (init_caller_save): Use it.
2777 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2779 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2781 * configure.in: Add --enable-cpplib option which uses cpplib
2782 for cpp, but doesn't link cpplib into cc1. Make help text
2783 capitalization consistent.
2784 * configure: Rebuilt.
2786 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2788 * function.c (gen_mem_addressof): If the address REG is
2789 REG_USERVAR_P make the new REG be so also.
2790 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2791 in an attempt to clarify slightly.
2793 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2795 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2796 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2798 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2800 * toplev.c: Fix last patch.
2802 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2804 * loop.c (get_condition): Fix typo in May 9 change.
2806 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2808 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2810 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2812 * toplev.c (documented_lang_options): Spelling corrections.
2814 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2816 * configure.in: new flags --with-ld and --with-as, equivalent
2817 to setting LD and AS environment variables. Test whether
2818 specified arguments are GNU commands, and report them with
2819 checking messages. Use the specified AS for configure
2822 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2824 * gcc.c (find_a_file): when looking for `as' and `ld', return
2825 the DEFAULT program if it exists
2826 * collect2.c (main): use DEFAULT_LINKER if it exists
2828 * gcc.c (find_a_file): the test for existence of a full
2829 pathname was reversed
2831 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2833 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2834 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2836 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2838 * tree.h (TYPE_BINFO): Document.
2840 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2842 * i386-coff.h (dbxcoff.h): Added.
2844 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2846 * toplev.c: fix bad patch around flag_data_sections.
2848 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2850 * reload1.c (reload): Use reload_address_index_reg_class and
2851 reload_address_base_reg_class when setting
2852 caller_save_spill_class. (Patch generated by Jim Wilson:
2855 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2857 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2858 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2859 * expr.c (store_field): Add alias_set parameter. Set the
2860 MEM_ALIAS_SET accordingly, if the target is a MEM.
2861 (expand_assignment): Use it.
2862 (store_constructor_field): Pass 0.
2863 (expand_expr): Likewise.
2865 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2867 * flags.h: Add flag_data_sections.
2868 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2869 (compile_file): Error if flag_data_sections not supported.
2870 * varasm.c (assemble_variable): Handle flag_data_sections.
2871 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2872 * config/mips/elf.h: Likewise.
2873 * config/mips/elf64.h: Likewise.
2874 * invoke.texi: Describe -fdata-sections.
2876 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2878 * invoke.texi (-ffloat-store): Clarify that this option
2879 does not affect intermediate results -- only variables.
2881 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2883 * cpp.texi: Update for Fortran usage from Craig.
2885 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2887 * rs6000.c (function_arg_boundary): Revert accidental change on
2890 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2892 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2893 (output_mi_thunk): Declare.
2895 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2896 (output_function_profiler): Use r12 for temp, instead of r11 so
2897 that we preserve the static chain register.
2899 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2901 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2903 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2905 * sh.c (gen_shl_sext): Fix case 5.
2907 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2909 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2911 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2913 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2914 accessing variables until they are initialized via va_arg().
2916 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2918 * reload1.c (reload_combine): Initialize set before using.
2920 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2922 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2925 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2927 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2928 operand3 with mask before using it. Patch provided by Jim Wilson.
2930 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2932 * config/sparc/sparc.c (function_value): Perform the equivalent of
2933 PROMOTE_MODE for ARCH64.
2934 (eligible_for_epilogue_delay): Allow DImode operations in delay
2935 slot of a return for ARCH64.
2937 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2939 * sh.md (sqrtsf2): Fix mode of sqrt.
2941 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2943 * reload1.c (choose_reload_regs): Also try inheritance when
2944 reload_in is a stack slot of a pseudo, even if we already got a
2947 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2949 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2950 (reload_cse_regs): New function body: call reload_cse_regs_1,
2951 reload_combine, reload_cse_move2add.
2952 When doing expensive_optimizations, call reload_cse_regs_1 a
2953 second time after reload_cse_move2add.
2954 (reload_combine, reload_combine_note_store): New functions.
2955 (reload_combine_note_use): New function.
2956 (reload_cse_move2add, move2add_note_store): New functions.
2958 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2960 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2961 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2963 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2964 more than 3 such reloads.
2966 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2967 RELOAD_FOR_X_ADDR_ADDR reload.
2969 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2971 * expr.c (store_constructor): When initializing a field that is smaller
2972 than a word, at the start of a word, try to widen it to a full word.
2974 * cse.c (cse_insn): When we are about to change a register,
2975 remove any invalid references to it.
2977 (remove_invalid_subreg_refs): New function.
2978 (mention_regs): Special treatment for SUBREGs.
2979 (insert_regs): Don't strip SUBREG for call to mention_regs.
2980 Check if reg_tick needs to be bumped up before that call.
2981 (lookup_as_function): Try to match known word_mode constants when
2982 looking for a norrower constant.
2983 (canon_hash): Special treatment for SUBREGs.
2985 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2987 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
2988 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
2989 defined, emit libcall to __enable_execute_stack. Also fix opcodes
2990 and offsets in actual stack trampoline code so they match the
2991 commentary and actually work.
2993 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2995 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
2997 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
2998 tmake_file. Set extra_parts to needed crt objects.
2999 * configure: Rebuilt.
3000 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3001 (TARGET_DEFAULT): Set if default is v9 or ultra.
3002 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3003 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3004 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3005 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3006 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3007 (TARGET_VERSION): Define.
3008 (MULTILIB_DEFAULT): Define.
3009 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3010 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3011 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3013 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3014 * config/sparc/sparc.c (sparc_override_options): If arch and
3015 pointer size disagree, emit diagnostic and fix it up. If
3016 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3017 V8PLUS in 64-bit mode.
3018 * config/sparc/t-linux64: New file.
3019 * config/sparc/t-sol2-64: New file.
3020 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3021 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3022 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3023 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3024 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3025 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3027 (STARTFILE_SPEC): Set approriately based upon those.
3028 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3029 disposition of DEFAULT_ARCH32_P.
3030 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3031 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3032 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3033 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3034 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3036 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3038 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3040 * rtl.h (init_virtual_regs): New function.
3041 * emit-rtl.c (init_virtual_regs): Define.
3042 (insn_emit): Use it.
3043 * integrate.c (save_for_inline_copying): Likewise.
3045 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3047 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3048 (enum reg_class): Add NONARG_LO_REGS support.
3049 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3050 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3051 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3052 completes. Re-enable HImode REG+OFFSET addresses.
3053 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3055 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3057 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3059 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3060 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3061 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3063 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3065 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3066 jumps as a single entity, taking into account the size of the
3069 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3071 * tree.def (SWITCH_EXPR): New tree node definition.
3073 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3075 * version.c: Bump for snapshot.
3077 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3079 * version.c: Bump for snapshot.
3081 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3083 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3086 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3088 * Revert this patch.
3089 * reload.c (find_reloads): Do not replace a pseudo with
3090 (MEM (reg_equiv_addr)) in the initializing insn for the
3093 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3095 * final.c (final_scan_insn): Disable tracking CC across branches.
3097 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3099 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3100 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3101 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3102 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3103 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3105 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3107 * toplev.c (rest_of_compilation): Skip compiling anything with
3108 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3110 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3112 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3113 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3114 use in_libcall_block.
3115 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3116 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3119 Mon Sep 21 14:02:23 1998
3121 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3122 typo in no-fancy-math-387 description.
3124 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3126 * version.c: Bump for snapshot.
3128 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3130 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3132 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3134 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3135 documented in install.texi.
3136 (TARGET_OPTIONS) Likewise.
3138 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3140 * version.c: Bump for snapshot.
3142 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3144 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3145 * cccp.c (main): Likewise.
3147 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3148 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3151 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3153 * Makefile.in (LIBS): Link in libiberty.a.
3154 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3156 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3158 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3159 it to update bb boundaries. Update caller.
3160 * function.c (reposition_prologue_and_epilogue_notes): Update
3161 bb boundaries wrt the moved note.
3163 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3165 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3167 * configure: Regenerate.
3169 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3171 * alpha.c (alpha_sr_alias_set): New variable.
3172 (override_options): Set it.
3173 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3174 (mode_mask_operand): Fix signed-unsigned comparision warning.
3175 (alpha_expand_block_move): Likewise.
3176 (print_operand): Likewise.
3177 (get_aligned_mem): Use change_address.
3178 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3179 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3180 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3181 (alpha_align_insns): Remade from old alphaev5_align_insns
3182 to handle multiple processors.
3183 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3184 * output.h (label_to_alignment): Prototype.
3186 * tree.c (new_alias_set): New function.
3187 * tree.h (new_alias_set): Declare it.
3188 * c-common.c (c_get_alias_set): Use it.
3190 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3192 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3193 to an ABS expr, convert an unsigned input to signed.
3195 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3197 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3199 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3201 * configure.in: Add support for c4x targets.
3202 * configure: Rebuilt.
3204 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3206 * combine.c (distribute_notes): If an insn is a cc0 user, only
3207 delete it if we can also delete the cc0 setter.
3209 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3211 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3212 (invert_truthvalue): Enable truthvalue inversion for
3213 floating-point operands if -ffast-math.
3215 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3217 * configure.in: Disable collect2 for nextstep. Instead use
3219 * configure: Rebuilt.
3220 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3221 (ENDFILE_SPEC): Define.
3222 (OBJECT_FORMAT_MACHO): Define.
3223 (EH_FRAME_SECTION_ASM_OP): Define.
3224 * crtstuff.c: Handle MACHO.
3226 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3228 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3230 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3232 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3233 (_fpadd_parts): Get sign right for 0.
3235 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3237 * ginclude/varargs.h: Add support for C4x target.
3238 * ginclude/stdargs.h: Likewise.
3240 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3242 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3243 (alpha_emit_set_long_const): Rewrite to be callable from reload
3245 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3246 * alpha.md (movdi): Likewise.
3248 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3250 * arm.c (add_constant): New parameter address_only, change caller.
3251 Set it non-zero if taking the address of an item in the pool.
3252 (arm_reorg): Handle cases where we need the address of an item in
3255 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3257 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3258 memory addresses that are not in standard canonical form.
3260 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3262 * README.C4X: New file with information about the c4x ports.
3263 * ginclude/va-c4x.h: New file for c4x varargs support.
3264 * config/c4x: New directory with c4x port files.
3266 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3268 * reload.c (find_reloads): Do not replace a pseudo with
3269 (MEM (reg_equiv_addr)) in the initializing insn for the
3272 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3274 * toplev.c (rest_of_compilation): Set bct_p on second call to
3276 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3278 (strength_reduce): Only call analyze_loop_iterations and
3279 insert_bct if bct_p set.
3280 (check_dbra_loop): Fix typo.
3281 (insert_bct): Use word_mode instead of SImode.
3282 (instrument_loop_bct): Likewise. Do not delete iteration count
3283 condition code generation insn. Initialize iteration count before
3285 * rtl.h (loop_optimize): Update prototype.
3287 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3288 not doubleword aligned.
3290 * rs6000.c (optimization_options): New function.
3291 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3292 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3293 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3294 first; cr1 can be used for FP record condition insns.
3296 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3298 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3301 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3304 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3306 (block_move_call): New function: Call a library routine to copy a
3308 (m32r_expand_block_move): New function: Expand a "movstrsi"
3309 pattern into a sequence of insns.
3310 (m32r_output_block_move): New function: Expand a
3311 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3312 (m32r_block_immediate_operand): New function: Return true if the
3313 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3315 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3317 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3319 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3321 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3323 * regmove.c (copy_src_to_dest): Check that modes match.
3325 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3327 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3329 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3331 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3332 narrower than FLOAT_REGS.
3334 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3336 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3338 * Makefile.in (old_gxx_include_dir): removed
3340 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3342 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3345 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3346 (sh_handle_pragma): Change function arguments to match new
3347 specification for HANDLE_PRAGMA.
3349 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3351 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3353 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3354 When generating output, initialize missing struct member to zero.
3356 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3358 * regmove.c (copy_src_to_dest): Don't copy if that requires
3359 (a) new register(s).
3361 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3363 * global.c (reg_allocno): Now static.
3364 * reload1.c (reg_allocno): Delete declaration.
3365 (order_regs_for_reload): Take no arguments. Don't treat regs
3366 allocated by global differently than those allocated by local-alloc.
3368 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3370 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3371 condition, fix format strings.
3372 (output_function_epilogue): Likewise.
3374 * m68k/m68k.c: Don't include <stdlib.h> directly.
3376 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3378 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3379 mem_first_set, mem_last_set; because 0 can be a CUID.
3380 (oprs_unchanged_p): Use new definition.
3381 (record_last_reg_set_info): Likewise.
3382 (record_last_mem_set_info): Likewise.
3383 (compute_hash_table): Likewise.
3385 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3387 * rs6000.c (output_epilogue): Handle Chill.
3389 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3390 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3392 * combine.c (make_extraction): If no mode is specified for
3393 an operand of insv, extv, or extzv, default it to word_mode.
3394 (simplify_comparison): Similarly.
3395 * expmed.c (store_bit_field): Similarly.
3396 (extract_bit_field): Similarly.
3397 * function.c (fixup_var_regs_1): Similarly.
3398 * recog.c (validate_replace_rtx_1): Similarly.
3399 * mips.md (extv, extzv, insv expanders): Default modes for most
3400 operands. Handle TARGET_64BIT.
3401 (movdi_uld, movdi_usd): New patterns.
3403 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3404 equivalent memory location unless we have been provided a scratch
3405 register. Similarly do not call find_replacement unless a
3406 scratch register has been provided.
3408 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3410 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3413 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3415 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3416 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3417 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3418 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3419 * c-decl.c (init_decl_processing): Update accordingly.
3420 * expr.c (expand_builtin): Likewise.
3422 * rtl.h (global_rtl): Add cfa entry.
3423 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3424 (LAST_VIRTUAL_REGISTER): Update.
3425 * emit-rtl.c (global_rtl): Add cfa entry.
3426 (init_emit): Initialize it.
3427 * function.c (cfa_offset): New.
3428 (instantiate_virtual_regs): Initialize it.
3429 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3430 (expand_function_end): Call expand_eh_return.
3431 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3433 * except.c (current_function_eh_stub_label): Kill.
3434 (current_function_eh_old_stub_label): Likwise; update all references.
3435 (expand_builtin_set_return_addr_reg): Kill.
3436 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3437 (expand_builtin_set_eh_regs): Kill.
3438 (eh_regs): Produce a third reg for the actual handler address.
3439 (eh_return_context, eh_return_stack_adjust): New.
3440 (eh_return_handler, eh_return_stub_label): New.
3441 (init_eh_for_function): Initialize them.
3442 (expand_builtin_eh_return, expand_eh_return): New.
3443 * except.h: Update prototypes.
3444 * flow.c (find_basic_blocks_1): Update references to the stub label.
3445 * function.h (struct function): Kill stub label elements.
3447 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3448 register number is one that would be in the previous window.
3449 Provide a dummy definition for non-windowed targets.
3450 (get_reg_addr): New function.
3451 (get_reg, put_reg, copy_reg): Use it.
3452 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3453 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3455 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3456 (alpha_init_expanders): Initialize it.
3457 (alpha_expand_epilogue): Use it.
3458 * alpha.h: Declare it.
3459 * alpha.md (eh_epilogue): New.
3461 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3462 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3464 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3466 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3469 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3471 * except.h (struct eh_entry): Add false_label field.
3472 (end_catch_handler): Add prototype.
3473 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3474 (start_catch_handler): When using old style exceptions, issue
3475 runtime typematch code before continuing with the handler.
3476 (end_catch_handler): New function, generates label after handler
3477 if needed by older style exceptions.
3478 (expand_start_all_catch): No need to check for new style exceptions.
3479 (output_exception_table_entry): Only output the first handler label
3480 for old style exceptions.
3481 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3482 mechanism into one function, if a runtime matcher is provided.
3484 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3486 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3488 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3490 * integrate.c (copy_decl_list): Fix typo.
3492 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3494 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3497 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3499 * version.c: Bump for snapshot.
3501 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3503 * version.c: Bump for snapshot.
3505 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3507 * version.c: Bump for snapshot.
3509 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3511 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3513 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3515 * configure.in: remove usage of `!' to negate the result of a
3516 command; some common shells do not support it
3518 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3520 * configure.in: in sparc9-sol2 config, use 'if test' not
3522 * configure: Rebuilt.
3524 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3526 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3527 (CPP_CPU_DEFAULT_SPEC): Likewise.
3528 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3529 for arch64 libfuncs.
3531 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3534 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3536 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3538 * collect2.c: Don't declare `sys_siglist' here.
3539 (my_strsignal): Prototype and define new function. Use it in
3540 place of `sys_siglist' hacks.
3542 * mips_tfile.c: Likewise.
3544 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3545 (GCC_NEED_DECLARATIONS): Likewise.
3547 * system.h (strsignal): Prototype it, if necessary.
3548 (sys_siglist): Declare it, if necessary.
3550 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3552 * loop.c (move_movables): While removing insn sequences, preserve
3553 the next pointer of the most recently deleted insn when we skip
3556 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3558 * objc/config-lang.in: Do not output the name of the selected
3559 thread file when building the front-end. The Makefile for the
3560 runtime library will do this.
3562 * objc/Make-lang.in: Do not build the runtime library or install
3563 the Objective C header files. The Makefile for the runtime
3564 library will do this.
3566 * objc/Makefile.in (all.indirect): Only build the front-end.
3567 (compiler): Rename to `frontend'.
3568 (obj-runtime): Remove target.
3569 (copy-headers): Likewise.
3570 (clean): No need to remove `libobjc.a' any longer.
3572 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3574 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3575 supported with -mcpu=xxx.
3577 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3579 * flow.c (mark_set_1): Recognize multi-register structure return
3580 values in CALL insns.
3581 (mark_used_regs): Likewise.
3582 (count_reg_sets_1): Likewise.
3583 (count_reg_references): Likewise.
3584 * rtlanal.c (note_stores): Likewise.
3585 (reg_overlap_mentioned_p): Likewise.
3586 * haifa-sched.c (check_live_1): Likewise.
3587 (update_live_1): Likewise.
3588 (sched_analyze_1): Likewise.
3589 (sched_note_set): Likewise.
3590 (birthing_insn_p): Likewise.
3591 (attach_deaths): Likewise.
3593 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3596 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3598 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3600 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3602 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3604 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3606 * configure.in: Add check for GAS subsection -1 support.
3607 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3608 * configure config.in: Rebuilt.
3609 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3610 SImode is subsection -1 works, else use DImode.
3611 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3612 subsection -1 works.
3613 * config/sparc/sparc.c (sparc_output_addr_vec,
3614 sparc_output_addr_diff_vec): Use them if defined.
3616 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3618 * tree.h (DECL_ORIGIN): New macro.
3619 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3620 (copy_decl_list): Use it.
3621 (integrate_parm_decls): Likewise.
3622 (integrate_decl_tree): Likewise.
3623 * dwarf2out.c (decl_ultimate_origin): Simplify.
3624 * dwarfout.c (decl_ultimate_origin): Likewise.
3625 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3626 (pushdecl): Likewise.
3628 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3630 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3632 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3634 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3636 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3638 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3639 empty or has a single entry.
3641 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3642 before calling reg_to_stack.
3644 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3646 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3647 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3649 * c-tree.h (warn_long_long): Declare it.
3651 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3653 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3654 initialized float-int union if the value is a NaN.
3656 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3658 * c-lex.c (real_yylex): Don't warn about long long constants if
3659 we're allowing long long
3661 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3663 * except.h (current_function_eh_stub_label): Declare.
3664 (current_function_eh_old_stub_label): Declare.
3665 * function.h (struct function): New members eh_stub_label and
3667 * except.c (current_function_eh_stub_label): New variable.
3668 (current_function_eh_old_stub_label): New variable.
3669 (init_eh_for_function): Clear them.
3670 (save_eh_status): Save them.
3671 (restore_eh_status): Restore them.
3672 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3673 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3674 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3675 make an edge from the block that contains it to the block starting
3676 with the label if this label is one of the eh stub labels.
3677 If eh stub labels exist, show they are reachable from the last block
3680 * reload1.c (reload): Break out several subroutines and make some
3682 (calculate_needs_all_insns): New function, broken out of reload.
3683 (calculate_needs): Likewise.
3684 (find_reload_regs): Likewise.
3685 (find_group): Likewise.
3686 (find_tworeg_group): Likewise.
3687 (something_needs_reloads): New global variable, formerly in reload.
3688 (something_needs_elimination): Likewise.
3689 (caller_save_spill_class): Likewise.
3690 (caller_save_group_size): Likewise.
3691 (max_needs): Likewise.
3692 (group_size): Likewise.
3693 (max_groups): Likewise.
3694 (max_nongroups): Likewise.
3695 (group_mode): Likewise.
3696 (max_needs_insn): Likewise.
3697 (max_groups_insn): Likewise.
3698 (max_nongroups_insn): Likewise.
3699 (failure): Likewise.
3701 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3703 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3705 * loop.c (load_mems): Copy rtx for output mem.
3707 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3709 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3710 mips1 or mips2 either.
3712 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3714 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3716 (pa_adjust_insn_length): Update to work with new marking scheme
3717 for jumps inside switch tables.
3718 * pa.md (switch_jump): Remove pattern.
3719 (jump): Handle jumps inside jump tables.
3721 * Makefile.in (profile.o): Depend on insn-config.h
3723 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3725 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3727 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3729 Add preliminary native sparcv9 Solaris support.
3730 * configure.in: Recognize sparv9-*-solaris2*
3731 * configure: rebuilt
3732 * config.sub: Recognize sparcv9 just like sparc64.
3733 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3734 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3735 32-bit and 64-bit Solaris systems.
3736 * config/sparc/t-sol2: Assemble those with cpp.
3737 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3738 (*TF*_LIBCALL): If ARCH64 use V9 names.
3739 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3741 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3743 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3744 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3746 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3748 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3749 to Pmode if CASE_VECTOR_MODE is something else.
3751 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3753 * prefix.c (update_path): Correctly handle cases where PATH is
3754 a substring of the builtin prefix, but specifies a different
3757 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3759 * expr.c: Corrected comment about what MOVE_RATIO does.
3760 * config/alpha/alpha.h: Ditto.
3761 * config/1750a/1750a.h: Ditto.
3762 * config/clipper/clipper.h: Ditto.
3763 * config/i386/i386.h: Ditto.
3765 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3767 * configure.in (m68k-next-nextstep3*): Use collect2.
3768 Similarly for x86 NeXT configurations.
3769 * configure: Rebuilt.
3771 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3773 * configure.in: Don't assume srcdir is .../gcc
3774 * configure: Rebuilt.
3776 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3778 * global.c: Update comments.
3779 (global_alloc): Assign allocation-numbers
3780 even for registers allocated by local_alloc in case
3781 they are later spilled and retry_global_alloc is called.
3782 (mark_reg_store, mark_reg_clobber,
3783 mark_reg_conflicts, mark_reg_death): Always record a
3784 conflict with a pseudo register even if it has been
3785 assigned to a hard register.
3786 (dump_conflicts): Don't list pseudo registers already assigned to
3787 a hard register as needing to be allocated, but do list their
3789 * local-alloc.c: Update comment.
3791 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3793 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3794 * configure: Rebuilt.
3796 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3798 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3800 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3801 for all targets that set -msoft-float.
3803 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3805 * toplev.c (print_switch_values): Make static to match prototype.
3807 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3809 * configure.in: If we are unable to find the "gnatbind" program,
3810 then do not configure the ada subdir.
3811 * configure: Rebuilt.
3813 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3815 * version.c: Bump for snapshot.
3817 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3819 * version.c: Bump for snapshot.
3821 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3823 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3824 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3826 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3828 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3830 * genextract.c: Have insn-extract.c include toplev.h.
3832 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3834 * toplev.c: Include expr.h.
3835 (really_sorry, fancy_abort): Remove prototypes.
3836 (set_target_switch): Add argument in prototype.
3837 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3838 (v_really_sorry): Likewise.
3839 (print_version, print_single_switch, print_switch_values): Make
3840 static and add prototype arguments.
3841 (decl_printable_name): Add prototype arguments.
3842 (lang_expand_expr_t): New typedef.
3843 (lang_expand_expr): Declare as a lang_expand_expr_t.
3844 (incomplete_decl_finalize_hook): Add prototype argument.
3845 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3846 (botch): Likewise for variable `s'.
3847 (rest_of_type_compilation): Mark variables `type' and `toplev'
3848 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3849 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3850 (display_help): Make variable `i' an `unsigned long'.
3851 (main): Remove unused parameter `envp'.
3852 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3853 Cast -1 when comparing it with a `size_t'.
3855 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3856 prototype with ATTRIBUTE_NORETURN.
3857 (fatal_insn_not_found, fatal_insn, really_sorry,
3858 push_float_handler, pop_float_handler): Add prototypes.
3859 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3860 (do_abort, botch): Add prototypes.
3862 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3864 * final.c (final): If a label is reached only from a single jump,
3865 call NOTICE_UPDATE_CC on the jump and its predecessor before
3866 emitting the insn after the label.
3868 * i386.h: Add AMD K6 support.
3869 Change TARGET_* macros to use table lookup.
3870 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3871 (ADJUST_COST): Change definition to call function in i386.c.
3872 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3873 * i386.c: Add AMD K6 support.
3874 Add constants for feature tests used by TARGET_* macros.
3875 (split_di): If before reload, call gen_lowpart and gen_highpart.
3876 (x86_adjust_cost): New function.
3877 (put_jump_code): New function.
3878 (print_operand): New codes 'D' and 'd'.
3879 * i386.md: New insn types. New insn attribute "memory".
3880 Redefine scheduling parameters to use new types and add AMD K6
3881 support. Explicitly set type of most insns.
3882 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3883 Pro and K6 prefer movl $1,reg to incl reg.
3884 (adddi3, subdi3): Set cc_status.
3885 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3886 to int; x86 can't have more than 2^31 DImode shifts per file.
3887 (setcc): Combine all setcc patterns. Allow writing memory.
3888 Combine all jump patterns using match_operator.
3889 (*bzero): Name pattern. Emit mutliple stos instructions when that
3890 is faster than rep stos.
3891 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3894 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3896 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3899 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3901 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3902 not whatever we're generating now.
3904 * alpha.c (set_frame_related_p, FRP): New.
3905 (alpha_expand_prologue): Mark frame related insns.
3906 (alpha_expand_epilogue): Likewise, but with a null FRP.
3907 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3908 * alpha.md (exception_receiver): New.
3909 * alpha/crtbegin.asm (.eh_frame): New beginning.
3910 (__do_frame_setup, __do_frame_takedown): New.
3911 * alpha/crtend.asm (.eh_frame): New ending.
3912 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3913 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3914 (ASM_FILE_START): Don't emit .file for dwarf2.
3916 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3917 * rtl.c (reg_note_name): Likewise.
3918 * rtl.texi (REG_NOTES): Likewise.
3919 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3922 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3924 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3925 * i386.md (movsf, movdf, movxf): Validate memory address returned
3926 from force_const_mem. Kill useless REG_EQUAL setting code.
3928 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3930 * m68k.md (zero_extendsidi2): Fix typo.
3932 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3934 * configure.in: Removed references to the removed file
3935 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3936 * arm*-*-netbsd* and ns32k-*-netbsd*.
3937 * config/i386/xm-netbsd.h: Removed unnecessary file.
3938 * config/m68k/xm-netbsd.h: Likewise.
3939 * config/sparc/xm-netbsd.h: Likewise.
3940 * config/mips/xm-netbsd.h: Likewise.
3942 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3944 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3945 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3947 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3948 for exact section attributions.
3950 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3952 * i386/crtdll.h (CPP_PREDEFINES): Define.
3954 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3956 * m68k.md (5200 movqi): Do not allow byte sized memory references
3958 * m68k.c (output_move_qimode): Do not use byte sized operations on
3961 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3962 explicit rules for building. Similarly for alloca, vfprintf,
3963 choose-temp and mkstemp, getopt, getopt1, and obstack.
3964 (INCLUDES): Add $(srcdir)/../include.
3965 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3966 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3968 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3970 * gcc.c (do_spec_1): [case 'o'] Account for
3971 lang_specific_extra_outfiles.
3972 (main): Correctly clear all slots in outfiles for
3973 lang_specific_extra_outfiles. Set input_file_number before
3974 calling lang_specific_pre_link.
3976 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
3978 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
3980 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3982 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
3984 (sparc_output_deferred_case_vectors): If no work to do, return.
3985 Fix thinko in Sept 1 change.
3987 1998-09-03 SL Baur <steve@altair.xemacs.org>
3989 * Makefile.in: add semicolon in BISON definition for portability.
3991 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3993 * config/nextstep.c (handle_pragma): Correct name of third
3996 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
3998 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
3999 * config/m32r/m32r.h: Make register 17 be fixed.
4000 * config/m32r/m32r.c: Use SImode for cc operations.
4002 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4004 * invoke.texi (Warning Options): Add -Wnon-template-friend
4007 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4009 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4011 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4013 * rs6000.md (movsf): Disable explicit secondary-reload-like
4014 functionality if TARGET_POWERPC64.
4015 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4018 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4020 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4021 and term.h from fixinc.wrap.
4023 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4025 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4026 safe to include both string.h and strings.h together.
4027 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4028 which headers to search for function declarations. Continue to
4029 prefer string.h over strings.h when both are not acceptable.
4031 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4033 * configure.in: Call GCC_HEADER_STRING.
4035 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4036 to include. Continue to prefer string.h over strings.h when both
4039 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4041 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4042 not assume top 32-bits of symbolic addresses are zero if
4045 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4047 * ginclude/va-alpha.h: Protect entire second portion of the
4048 file against double inclusion.
4050 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4052 Added support for the Boehm's garbage collector.
4053 * configure.in: Handle --enable-objc-gc.
4054 * configure: Rebuilt.
4055 * Makefile.in (CHECK_TARGETS): Add check-objc.
4056 (check-objc): New rule.
4057 * objc/Make-lang.in: Build a different Objective-C library that
4058 runs with the Boehm's collector.
4059 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4060 * objc/encoding.c: Correctly compute the size of compound types in
4061 the presence of bitfields. Skip the variable name of the type if
4062 any. Added support for long long.
4063 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4064 (_F_GCINVISIBLE): New mask.
4065 * objc/gc.c: New file. Compute the type memory mask associated with
4066 a class based on the runtime information.
4067 * objc/misc.c: Added the hooks that use the Boehm's collector
4068 allocation functions.
4069 * objc/objc-act.c (build_class_template): Generate a new class
4070 member (gc_object_type) to hold the class' type memory mask.
4071 (build_shared_structure_initializer): Initialize the new member to
4073 (encode_complete_bitfield): New function. Generate the new
4075 (encode_field_decl): Generate the new encoding only for the GNU
4077 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4079 (class_get_gc_object_type): New function to mark a pointer instance
4080 variable as a weak pointer.
4081 * objc/objc-features.texi: New file.
4082 * objc/objc.h (gc_object_type): New class member.
4083 * objc/objects.c (class_create_instance): Create a typed memory
4084 object when compiled with Boehm's collector support.
4085 * objc/sendmsg.c (__objc_init_install_dtable): Call
4086 __objc_send_initialize instead of setting the initialize flag.
4087 (__objc_send_initialize): Call __objc_generate_gc_type_description
4088 to generate the class type memory mask. Rewrite the code that
4089 sends the +initialize so that it is called only once (bug report
4090 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4091 * testsuite/objc: New testsuite for Objective-C type encoding.
4092 * testsuite/lib/objc-torture.exp: New file.
4093 * testsuite/lib/objc.exp: New file.
4095 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4097 * jump.c (jump_optimize): In if/then/else transformations, add
4098 another call to modified_between_p for the jump insn.
4100 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4102 * fix-header.c (symlink): Treat like readlink.
4104 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4106 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4109 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4111 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4112 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4113 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4115 * config/nextstep.c (handle_pragma): Take three arguments, as per
4116 the new HANDLE_PRAGMA macro specification.
4117 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4118 per the new HANDLE_PRAGMA macro specification.
4119 * config/i960/i960.c (process_pragma): Take three arguments, as
4120 per the new HANDLE_PRAGMA macro specification.
4122 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4124 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4125 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4126 if unknown pragmas are encountered.
4127 (handle_sysv_pragma): Interpret return code from
4128 handle_pragma_token (). Return success/failure indication rather
4129 than next unprocessed character.
4130 (pragma_getc): New function: retrieves characters from the
4131 input stream. Defined when HANDLE_PRAGMA is enabled.
4132 (pragma_ungetc): New function: replaces characters back into the
4133 input stream. Defined when HANDLE_PRAGMA is enabled.
4135 * c-pragma.c (handle_pragma_token): Return success/failure status
4138 * c-pragma.h: Change prototype of handle_pragma_token().
4140 * varasm.c: (handle_pragma_weak): Only create this function if
4141 HANDLE_PRAGMA_WEAK is defined.
4143 * c-common,c (decl_attributes): If defined call the expression
4144 contained within the INSERT_ATTRIBUTES macro before adding
4145 attributes to a decl.
4147 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4148 HANDLE_PRAGMA, which takes three arguments.
4149 (INSERT_ATTRIBUTES): Document this new macro.
4151 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4152 new INSERT_ATTRIBUTES macro.
4154 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4156 * config/sparc/sparc.md (movdf): Only generate special RTL for
4157 LABEL_REFs when PIC.
4158 (move_label_di): Remove
4159 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4160 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4161 references when PIC.
4162 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4163 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4164 output an .xword for all 64-bit cases.
4166 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4168 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4169 alignment, use FUNCTION_BOUNDARY instead.
4170 (sparc_output_deferred_case_vectors): Likewise.
4172 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4174 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4175 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4177 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4179 * alpha/va_list.h: New file.
4180 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4182 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4184 * NEWS: Add SCO Openserver and Unixware 7 notes.
4188 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4190 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4191 (record_constant_1): Handle RANGE_EXPR.
4193 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4195 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4196 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4197 and NOTE_INSN_RANGE_END specially.
4198 (reemit_notes): Likewise.
4200 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4202 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4203 (ultrasparc_sched_init): Remove unneeded &.
4205 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4207 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4208 for m68020-60, to prevent the use of fintrz.
4210 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4212 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4214 * Makefile.in: Likewise.
4215 * configure: Regenerated.
4217 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4219 * configure.in (gxx_include_dir): Changed to
4220 '${prefix}/include/g++'-${libstdcxx_interface}.
4221 * configure: Rebuilt.
4223 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4225 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4227 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4228 *sequences* *below* which scalar moves will be used.
4230 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4232 * collect2.c (mktemp): Delete unused declaration.
4234 * config/xm-netbsd.h: Remove unnecessary file.
4235 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4236 file anymore, it is not needed.
4238 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4240 * convert.c (convert_to_integer): Issue an error on conversions to
4243 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4245 * Makefile.in: Add lang_tree_files and gencheck.h.
4246 * configure.in: Generate them.
4247 * gencheck.c: Include gencheck.h.
4249 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4251 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4252 movdi_lo_sum_pic and movdi_high_pic and make visible.
4253 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4254 emit these when Pmode is not SImode.
4255 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4257 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4259 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4260 .linkonce directive after the first time.
4262 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4264 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4265 the clobbered operand overlaps with an input.
4266 (bne0_di): Similarly.
4268 * Makefile.in (INSTALL): Remove "--no-header" argument.
4270 * NEWS: Various updates.
4272 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4274 * config/sparc/sparc.c (arith_operand, const64_operand,
4275 const64_high_operand, arith_double_4096_operand): Mark mode as
4277 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4279 (sparc_emit_set_const64): Remove unused variable i.
4280 (sparc_splitdi_legitimate): Likewise for addr_part.
4281 (ultra_code_from_mask): Likewise for mask.
4282 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4283 reverse return values so it matches usage and comments.
4284 (ultra_flush_pipeline): Likewise.
4285 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4286 this_type, and allow loads and stores of differing FP modes as
4287 they do not create a conflict.
4288 (ultra_find_type): Initialize fpmode to SFmode, fix
4289 parenthesization thinkos in large conditional.
4290 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4291 Init free_slot_mask after ultra_cur_hist is reset, not before.
4292 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4293 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4294 use ultra_flush_pipeline instead, then re-init group pointer.
4295 Fix statement with no effect. If no progress made in, and no
4296 instructions scheduled at all, advance to new pipeline cycle else
4297 we get into an endless loop.
4298 (ultrasparc_adjust_cost): Remove previous arg.
4299 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4301 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4303 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4304 code. Use reg_overlap_mentioned_p to detect when source and
4305 destination overlap.
4306 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4308 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4310 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4311 COMPARISON_VAL, into invariant_p.
4313 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4315 * regmove.c (regclass_compatible_p): New function.
4316 (regmove_optimize): Use it.
4318 Use NREGS parameter insted of calling max_reg_num.
4320 (fixup_match_1): Don't use code = MINUS when later tieing with
4321 a hard register is likely.
4323 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4325 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4326 COMPARISON_VAL was normalized.
4328 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4330 * loop.c (check_dbra_loop): The loop ending comparison value
4331 must be an invariant or we can not reverse the loop.
4333 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4334 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4336 (load_mems_and_recount_loop_regs_set): Likewise.
4338 * i386.c (print_operand): Remove obsolete 'c' docs.
4340 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4342 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4343 * frame.c (init_object_mutex): New function.
4344 (init_object_mutex_once): Likewise.
4345 (find_fde): Call it.
4346 (__register_frame_info): Likewise.
4347 (__register_frame_info_table): Likewise.
4348 (__deregister_frame_info): Likewise.
4350 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4352 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4354 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4356 * loop.c (check_dbra_loop): Enable code for reversal
4357 of some loops without a known constant loop end.
4359 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4361 * haifa-sched.c (last_clock_var): New.
4362 (schedule_block): Initialize it.
4363 (schedule_insn): Use it to fill insn modes with issue information.
4365 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4366 Tag trapb and next insn with TImode.
4367 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4368 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4369 Invoke alphaev5_align_insns as appropriate.
4370 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4371 (MD_SCHED_VARIABLE_ISSUE): New.
4372 * alpha.md (attr type): Add multi.
4373 (define_asm_attributes): New.
4374 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4375 (arg_home): Likewise.
4376 (fnop, unop, realign): New.
4378 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4380 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4381 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4383 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4384 (rs6000-ibm-aix4.[12]*): Likewise.
4385 * configure: Regnerate.
4387 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4389 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4390 already contains the return address.
4392 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4394 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4395 word sized hunks when loading unaligned args into registers.
4397 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4398 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4400 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4402 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4404 * loop.c (check_dbra_loop): Add some code that would allow reversal
4405 of some loops without a known constant loop end if it were enabled.
4407 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4409 * mips.md (lshrsi3_internal2+2): Fix type-o.
4411 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4413 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4414 correctly with regards to stdio.h.
4416 * calls.c: Remove stdarg.h/varargs.h.
4419 * combine.c: Likewise.
4420 * cpperror.c: Likewise.
4421 * cpplib.c: Likewise.
4422 * cpplib.h: Likewise.
4423 * doprint.c: Likewise.
4424 * emit-rtl.c: Likewise.
4425 * final.c: Likewise.
4426 * fix-header.c: Likewise.
4428 * genattr.c: Likewise.
4429 * genattrtab.c: Likewise.
4430 * gencodes.c: Likewise.
4431 * genconfig.c: Likewise.
4432 * genemit.c: Likewise.
4433 * genextract.c: Likewise.
4434 * genflags.c: Likewise.
4435 * genopinit.c: Likewise.
4436 * genoutput.c: Likewise.
4437 * genpeep.c: Likewise.
4438 * genrecog.c: Likewise.
4439 * mips-tfile.c: Likewise.
4440 * prefix.c: Likewise.
4441 * protoize.c: Likewise.
4442 * regmove.c: Likewise.
4443 * toplev.c: Likewise.
4446 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4448 * config/sparc/sparc.c (sparc_override_options): If not
4449 TARGET_FPU, turn off TARGET_VIS.
4450 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4451 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4452 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4453 (movdi_insn_sp64): Add VIS fzero alternative.
4454 (clear_sf, clear_df): New VIS patterns.
4455 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4457 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4459 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4461 * loop.c (n_times_set, n_times_used, may_not_optimize,
4462 reg_single_usage): Convert to varrays. All uses changed.
4463 (insert_loop_mem): Return a value.
4464 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4465 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4468 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4471 * configure.in: Do not set thread_file to "irix" since no such
4474 * sparc.md (float abs/neg splits): Check reload_completed before
4475 calling alter_subreg.
4477 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4479 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4481 * config/sparc/sparc.h: Declare it.
4482 * config/sparc/sparc.md (float abs/neg splits): Use it.
4483 (all other splits): Handle SUBREGs properly where necessary.
4484 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4486 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4488 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4489 an insn on the unfilled_slots_list that has no delay slots.
4490 (fill_eager_delay_slots): Similarly.
4492 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4494 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4495 as an ordinary operand.
4497 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4499 * tree.c (valid_machine_attribute): Don't apply attributes to both
4502 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4504 * reload.c (operands_match_p): Handle rtvecs.
4506 * i386.c (legitimate_pic_address_disp_p): New.
4507 (legitimate_address_p): Use it.
4508 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4509 Handle constant pool symbols just like statics.
4510 (emit_pic_move): Use Pmode not SImode for clarity.
4511 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4512 [UNSPEC]: New, handling what we killed above.
4513 [PLUS]: Detect and abort on invalid symbol arithmetic.
4514 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4516 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4518 * alias.c: Include output.h.
4519 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4520 different if we're in a varargs function.
4521 * Makefile.in (alias.o): Depend on output.h
4523 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4525 * sh.h (GIV_SORT_CRITERION): Delete.
4527 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4529 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4530 * stupid.c (stupid_life_analysis): Ditto.
4531 * reload1.c (reload): Ditto.
4533 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4535 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4536 arith_double_4096_operand, arith_double_add_operand): New
4538 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4539 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4540 them to transform add/sub 4096 into add/sub -4096.
4542 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4544 * loop.c (scan_loop): Allocate some slop to handle pseudos
4545 generated by move_movables.
4546 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4549 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4551 * tree.def (DECL_RESULT): Correct documentation.
4553 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4555 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4556 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4557 conflicts will all RELOAD_FOR_OUTPUT reloads.
4559 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4560 loads the function result, substitute with a USE.
4562 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4564 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4565 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4566 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4567 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4568 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4569 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4571 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4572 'o' to 'm' for GPR variant constraints.
4574 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4576 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4578 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4580 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4581 when the source and destination overlap.
4583 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4584 clash with global type.
4586 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4588 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4590 * c-common.c (combine_strings): Also set TREE_READONLY.
4591 Change warn_write_strings to flag_const_strings.
4592 * c-decl.c, c-tree.h: Likewise.
4594 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4596 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4597 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4598 sequence, use SET/IOR instead so CSE can see it.
4599 * config/sparc/sparc.md (movhi_const64_special,
4600 movsi_const64_special): New patterns necessitated by that change.
4601 (movhi_high): Remove.
4602 (movhi_lo_sum): Change to match an IOR.
4603 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4604 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4605 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4606 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4607 registers are involved.
4608 (snesi_zero_extend split): Remove reload_completed test.
4609 (unnamed plus and minus zero_extend sidi splits): Add it.
4611 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4613 * extend.texi: Remove description of extension to explicit
4614 instantiation that is now endorsed by standard C++.
4616 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4618 * config/arc/arc.c (arc_initialize_pic): Remove.
4619 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4620 nothing on any platform and is invoked by no-one, it does not even
4621 appear in the documentation.
4622 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4623 * config/sparc/sparc.c (initialize_pic): Likewise.
4624 (find_addr_reg): Remove this as well, no longer referenced after
4627 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4629 * recog.c (validate_replace_rtx_group): New function.
4630 * recog.h (validate_replace_rtx_group): Declare it.
4631 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4632 the entire group of substitutions.
4634 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4636 * loop.c (load_mems): Fix initializers.
4638 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4640 * config/sparc/sparc.md (TFmode splits): Handle destination
4641 registers being referenced in the address correctly.
4643 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4644 TREE_UNSIGNED, when bitsize of type's mode is larger than
4645 HOST_BITS_PER_WIDE_INT.
4647 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4649 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4650 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4651 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4653 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4656 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4658 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4659 * h8300.h (TINY_DATA_NAME_P): Likewise.
4660 (STRIP_NAME_ENCODING): Handle '&'.
4662 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4663 register (it could be accessed via an outer SUBREG).
4664 (REG_OK_FOR_BASE_P): Likewwise.
4665 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4667 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4670 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4672 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4674 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4675 must be offsettable so the splits can be made.
4677 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4679 * config/i386/winnt.c: Include system.h, not stdio.h to get
4680 sys/param.h pulled in before rtl.h in case the system defines MIN
4683 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4685 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4687 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4689 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4691 * cpplib.c (cpp_define): Handle macros with parameters.
4693 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4695 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4696 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4697 and DImode 64-bit. Use llong for minimal-toc SFmode and
4698 SYMBOL_REF / LABEL_REF 64-bit.
4699 (output_function_profiler): Use llong for profiler label and ld to
4700 load 64-bit label address.
4702 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4704 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4707 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4709 * version.c: Bump for snapshot.
4711 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4713 * version.c: Bump for snapshot.
4715 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4717 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4719 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4721 * tm.texi (Misc): Fix typo "teh".
4723 * tm.texi (PIC): Fix typo "PPIC".
4725 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4726 effect when -O2 and higher.
4727 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4729 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4731 * regclass.c: Changed register set documentation to be consistent
4734 * final.c (final_start_function) Removed redundant test for
4737 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4739 * rtl.h (rtx_function): New type.
4740 (for_each_rtx): New function.
4741 * rtlanal.c (for_each_rtx): Define it.
4743 * recog.c (change_t): New type.
4744 (change_objects, change_old_codes, change_locs, change_olds):
4746 (changes): New variable.
4747 (validate_change): Dynamically allocate room for more changes, if
4748 necessary. Uses changes array instead of change_objects, etc.
4749 (apply_change_group): Use changes array instead of
4750 change_objects, etc.
4752 * loop.c (loop_mem_info): New type.
4753 (loop_mems): New variable.
4754 (loop_mems_idx): Likewise.
4755 (looop_mems_allocated): Likewise.
4756 (scan_loop): Remove nregs parameter.
4757 (next_insn_in_loop): New function.
4758 (load_mems_and_recount_loop_regs_set): Likewise.
4759 (load_mems): Likewise.
4760 (insert_loop_mem): Likewise.
4761 (replace_loop_mem): Likewise.
4762 (replace_label): Likewise.
4763 (INSN_IN_RANGE_P): New macro.
4764 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4765 (scan_loop): Remove nregs parameter, compute it after any new
4766 registers are created by load_mems. Use INSN_IN_RANGE_P and
4767 next_insn_in_loop rather than expanding them inline. Call
4768 load_mems to load memory into pseudos, if appropriate.
4769 (prescan_loop): Figure out whether or not there are jumps from the
4770 loop to targets other than the label immediately following the
4771 loop. Call insert_loop_mem to notice all the MEMs used in the
4772 loop, if it could be safe to pull MEMs into REGs for the duration
4774 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4776 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4778 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4780 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4782 * config/sparc/sparc.c (finalize_pic): Check for the correct
4783 nonlocal_goto_receiver UNSPEC number.
4784 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4785 making note of this dependency existing in sparc.c
4786 (negtf2_notv9 split): Give NEG SFmode.
4787 (negsf2): Fix insn output string.
4789 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4791 * c-common.c (decl_attributes): Issue an error if the argument
4792 to alias is not a string.
4794 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4796 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4797 pending memory flush list.
4799 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4801 (try_combine): Allow combining insns with REG_LIBCALL notes.
4803 * expr.c (emit_block_move): Do not call memcpy as a libcall
4804 instead build up a CALL_EXPR and call it like any other
4806 (clear_storage): Similarly for memset.
4808 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4811 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4814 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4815 and REG_LIVE_LENGTH as successful substitutions are made.
4817 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4819 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4820 statement after end of loop label.
4822 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4824 * config/sparc/sparc.c (ultra_types_avail): New variable.
4825 (ultra_build_types_avail): New function to record mask of insn
4826 types in ready list at this cycle.
4827 (ultrasparc_sched_reorder): Call it.
4828 (ultra_find_type): Use it to quicken the search. Also simplif
4829 dependency check, don't use rtx_equal_p because we know exactly
4830 what we are looking for.
4832 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4834 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4835 for architecture v4.
4837 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4839 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4841 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4842 movdf_const_intreg and helper splits): New patterns to move float
4843 constants into integer registers.
4844 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4847 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4850 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4852 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4854 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4855 a BASE_REGS register is needed as an intermediate when copying
4856 a symbolic value into any register class other than BASE_REGS.
4858 * expr.c (move_by_pieces): No longer static. Remove prototype.
4859 * rtl.h (move_by_pieces): Add extern prototype.
4860 * mips.c (expand_block_move): Handle aligned straight line copy by
4861 calling move_by_pieces.
4863 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4866 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4868 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4869 jumps out of the loop to be treated as part of the exit test.
4871 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4872 Jeff Law <law@cygnus.com>
4874 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4875 * cplus-dem.c: Delete.
4877 * Makefile.in (fold-const.o): depend on $(RTL_H).
4879 * fold-const.c: Include rtl.h to get the prototype for
4880 `set_identifier_local_value'.
4882 * loop.c (express_from_1): Remove unused variable `tmp'.
4883 (combine_givs): cast the first argument of bzero to char *.
4885 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4887 * c-decl.c (init_decl_processing): Remove unneeded &.
4889 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4891 * except.c (set_exception_lang_code, set_exception_version_code):
4892 Change parameter from `short' to `int' to avoid using a gcc
4895 * except.h (set_exception_lang_code, set_exception_version_code):
4896 Likewise for prototypes.
4898 * flow.c (count_reg_references): Remove unused variables `regno'
4901 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4903 * prefix.c (translate_name): Cast the result of `alloca'.
4905 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4907 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4909 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4911 (valid_dbcc_comparison_p): Mark mode argument as unused.
4912 (symbolic_operand): Likewise.
4913 (legitimize_pic_address): Likewise.
4914 (const_uint32_operand): Likewise.
4915 (const_sint32_operand): Likewise.
4916 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4917 schedule_insns and comment out rest of file.
4919 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4921 (output_move_[hq]imode): Likewise.
4923 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4925 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4926 * invoke.texi: Corresponding changes.
4928 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4930 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4932 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4934 * config/sparc/sparc.c (ultra_code_from_mask,
4935 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4936 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4937 ultrasparc_sched_init, ultrasparc_variable_issue,
4938 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4939 functions to describe UltraSPARC pipeline exactly to Haifa.
4940 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4941 as there is nothing the scheduler can do about it. Indicate that
4942 REG_DEP_OUTPUT's collide. Fixup formatting.
4943 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4944 divide costs on Ultra for DImode.
4945 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4947 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4948 ieuN and add call_no_delay_slot to type list.
4949 (cti function unit): New unit for branches on UltraSPARC.
4950 (subx/addx insns): Set type to misc.
4951 (sidi zero/sign extension insns on arch64): Set type to shift.
4952 (sign_extendhidi2_insn): Set type to sload.
4954 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4956 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4957 (output_epilog): Use if != 0 for offset.
4958 (rs6000_fatal_bad_address): Prepare for Intl.
4959 * rs6000.h (rs6000_fatal_bad_address): Declare.
4960 * rs6000.md (movsfcc, movdfcc): Use else if.
4961 (elf_high): Use {liu|lis}.
4962 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4963 (movsi): Use rs6000_fatal_bad_address.
4965 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4967 * reload.c (find_equiv_reg): Reject equivalences separated
4968 by a volatile instruction.
4970 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4972 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4974 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4976 * alpha.md (movsicc): Fix mode mismatch.
4978 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
4980 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
4982 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
4984 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4986 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
4987 write-only modifier from operand 1 constraint.
4989 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4991 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
4992 emitting a XOR of -1 at the end, emit a NOT instead for combine's
4994 (sparc_emit_set_const64): Likewise, also when computing trailing
4995 bits do not negate low_bits and make fast_int an int.
4997 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
4999 * loop.c (add_label_notes): Do not ignore references to labels
5000 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5001 * gcse.c (add_label_notes): Similarly.
5003 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5005 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5006 (adddi_dishl32): Similarly.
5008 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5010 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5011 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5012 * cse.c (cse_basic_block): Add parens to shut up warnings.
5014 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5016 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5017 sparc_emit_set_const64_longway, const64_is_2insns,
5018 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5019 in 64-bit constant formation.
5020 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5021 rtl for addx not subx.
5022 (define_insn movdi_const64_special): Make available even when
5023 HOST_BITS_PER_WIDE_INT is not 64.
5024 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5025 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5026 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5027 instances of operand 1 inside a QI subreg.
5028 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5029 (one_cmpldi2_sp64): Fix output string.
5030 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5032 (unnamed arch64 ashift DI): Truncate shift count if greater than
5035 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5037 * expr.c (store_expr): Don't optimize away load-store pair
5038 when either source or destination have a side effect.
5040 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5042 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5043 operands of SET are incompatible.
5045 * alpha.md: Fix max and min patterns so modes of SET operands match.
5047 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5049 * configure.in: Avoid [[ by using test and changequote.
5050 * configure: Rebuild.
5052 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5054 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5056 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5057 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5058 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5059 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5060 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5061 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5062 Fix mismatching modes in SET operands.
5063 (conditional move patterns): Fix formatting.
5064 (unnamed subx arch64 pattern): Remove duplicate insn.
5066 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5068 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5069 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5070 (input_operand): Fixup test for what we accept for constant
5072 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5074 (safe_constDI): Remove.
5075 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5076 gen_safe_XOR64): New functions.
5077 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5078 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5080 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5081 available when HOST_BITS_PER_WIDE_INT is not 64.
5082 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5083 move before movdi_insn_sp64 pattern.
5084 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5085 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5086 symbolic_operand as predicate for second operand.
5087 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5088 expander): Give set VOIDmode.
5090 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5092 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5094 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5096 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5098 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5100 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5102 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5104 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5106 * install.texi: Various SCO OpenServer tweaks.
5108 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5110 * reload1.c (eliminate_regs_in_insn): Handle another case when
5111 eliminating the frame pointer to the hard frame pointer. Add
5112 missing ep->to_rtx check to one existing case.
5114 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5116 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5118 * tree.h: De-conditionalize init_priority code.
5120 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5121 * collect2.c (NM_FLAGS): Change from -p to -n.
5123 * configure.in: Turn on collect2 for mipstx39-elf.
5124 Handle use_collect2=no properly.
5126 * c-common.c: De-conditionalize init_priority code.
5127 * collect2.c (extract_init_priority, sort_ids): New fns.
5128 (main): Call sort_ids.
5129 Move sequence_number to file scope.
5131 * configure.in: Handle --enable-init-priority.
5132 * c-common.c (attrs): Add A_INIT_PRIORITY.
5133 (init_attributes, decl_attributes): Likewise.
5134 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5135 * tree.c (get_file_function_name_long): Split out...
5136 (get_file_function_name): ...from here.
5138 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5140 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5143 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5145 * toplev.c (display_help): Add braces to shut up warnings.
5146 * tree.c (simple_cst_equal): Likewise.
5148 * fold-const.c (non_lvalue): Don't deal with null pointer
5150 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5152 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5153 of any size to a pointer.
5155 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5157 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5159 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5161 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5162 which will be saved.
5163 * mn10300.md (prologue insn): Only save registers which need saving.
5164 (epilogue insn): Similarly.
5166 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5169 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5171 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5172 VAR_DECL's in gp addressable sections.
5174 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5176 * sparc.c: Change return <exp> to <exp>; return; in functions
5178 * sparc.md: Add empty semicolon statement after final label in
5181 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5183 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5184 addx_extend_sp64, only allow when TARGET_ARCH64.
5185 (define_insn addx_extend_sp32 and split): Version that works when
5187 (define_insn subx_extend): Likewise.
5188 (define_split adddi3 and subdi3 with zero extension): Fixup and
5189 correct bugs when not TARGET_ARCH64.
5191 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5193 * except.c (set_exception_lang_code, set_exception_version_code):
5194 Use prototype-style definition if __STDC__, to match declaration
5197 * genemit.c: Change FAIL and DONE macros not to use loops.
5199 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5201 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5202 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5204 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5206 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5208 * README.g77: Update from Craig.
5210 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5212 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5214 (safe_constDI sparc_emit_set_const64_quick1,
5215 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5216 analyze_64bit_constant, const64_is_2insns,
5217 create_simple_focus_bits): Fix some bugs when compiled on real
5219 (function_arg_record_value_3, function_arg_record_value_2,
5220 function_arg_record_value): Add fully prototyped forward decls.
5221 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5222 to cmpsi_insn and use on both 64 and 32 bit targets.
5223 (define_insn cmpsi_insn_sp64): Remove.
5224 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5225 (define_insn zero_extendsidi2_insn): Rename to
5226 zero_extendsidi2_insn_sp64.
5227 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5228 assosciated forced split for it.
5230 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5232 * config/sparc/sparc.h: Declare them.
5233 (PREDICATE_CODES): Add them.
5234 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5235 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5237 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5239 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5240 in v9 case as the latter makes the Solaris assembler crash.
5242 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5244 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5245 for TFmode when !v9. We require offsettable memory addresses.
5246 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5247 DFmode register number conversions.
5248 * config/sparc/sparc.md (define_split DFmode moves): If register
5249 is a SUBREG do alter_subreg on it before using.
5250 (define_expand movtf): Fixup comment about alignment on v9.
5251 (define_split TFmode moves): Don't use gen_{high,low}part, create
5252 explicit SUBREGs instead.
5254 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5256 * Makefile.in (mbchar.o): Depend on mbchar.c.
5258 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5259 Richard Henderson <rth@cygnus.com>
5261 Rewrite Sparc backend for better code generation and
5262 improved sparc64 support.
5263 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5265 * config/sparc/sysv4.h: Likewise.
5266 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5267 move_operand, v8plus_regcmp_op, emit_move_sequence,
5268 singlemove_string, doublemove_string, mem_aligned_8,
5269 output_move_double, output_move_quad, output_fp_move_double,
5270 move_quad_direction, output_fp_move_quad, output_scc_insn):
5272 (small_int_or_double): New predicate.
5273 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5274 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5275 old pic_{sethi,lo_sum}_si patterns.
5276 (mem_min_alignment): New generic function to replace
5277 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5278 available and can test for arbitrary alignments. All callers
5280 (save_regs, restore_regs, build_big_number,
5281 output_function_prologue, output_cbranch, output_return,
5282 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5283 sparc_flat_output_function_epilogue): Prettify
5285 (output_function_epilogue): Likewise and add code to output
5286 deferred case vectors.
5287 (output_v9branch): Likewise, add new arg INSN and use it to tack
5288 on branch prediction settings. All callers changed.
5289 (print_operand): Likewise and output %l44 for LO_SUMs when
5291 (sparc_splitdi_legitimate): New function to make sure DImode
5292 splits can be run properly when !arch64.
5293 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5294 Reformat example code in comments.
5295 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5296 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5297 of deferred case vectors we need to output.
5298 (sparc_defer_case_vector): Record a case vector.
5299 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5300 sparc_output_deferred_case_vectors): New functions to output them.
5301 (sparc_emit_set_const32): New function to form 32-bit constants in
5302 registers when that requires more than one instruction.
5303 (safe_constDI, sparc_emit_set_const64_quick1,
5304 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5305 analyze_64bit_constant, const64_is_2insns,
5306 create_simple_focus_bits, sparc_emit_set_const64): New functions
5307 which do the same for 64-bit constants when arch64.
5308 (sparc_emit_set_symbolic_const64): New function to emit address
5309 loading for all code models on v9.
5310 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5311 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5312 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5313 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5314 inaccuracies in comments, add symbolic and text_segment operands
5315 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5316 GENERAL_REGS in these cases as a temp REG is needed to load these
5317 addresses into a register properly.
5318 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5320 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5321 quads are guarenteed to have 16-byte alignment.
5322 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5323 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5324 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5325 deferred case vector implementation.
5326 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5327 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5328 Generate "internal label - label" instead of "label - 1b".
5329 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5330 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5331 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5333 (doublemove_string, output_block_move, output_fp_move_double,
5334 output_fp_move_quad, output_move_double, output_move_quad,
5335 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5336 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5337 (sparc_emit_set_const32, sparc_emit_set_const64,
5338 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5339 mem_min_alignment, small_int_or_double): Add externs.
5340 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5341 UNSPEC_VOLATILE in this backend.
5342 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5343 unary to types which execute in it.
5344 (define_function_unit ieu_shift): Rename to ieu0.
5345 (define_function_unit ieu1): New, executes compare, call, and
5346 uncond_branch type insns.
5347 (define_function_units for type fdivs, fdivd, fsqrt): These
5348 execute in the fpu multiply unit not the adder on UltraSparc.
5349 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5350 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5351 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5352 allows the arith_double_operand predicate and rHI constraint when
5354 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5355 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5356 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5357 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5358 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5359 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5360 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5361 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5362 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5363 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5364 sign_extendqihi2_insn, sign_extendqisi2_insn,
5365 sign_extendqidi2_insn, sign_extendhidi2_insn,
5366 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5367 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5368 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5369 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5370 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5371 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5372 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5373 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5374 smulsi3_highpart_v8plus, unnamed subreg mult,
5375 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5376 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5377 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5378 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5379 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5380 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5381 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5382 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5383 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5384 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5385 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5386 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5387 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5388 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5389 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5390 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5391 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5392 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5393 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5394 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5395 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5396 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5397 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5398 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5399 call_address_untyped_struct_value_sp32,
5400 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5401 call_value_symbolic_sp32, call_value_address_sp64,
5402 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5403 flush_register_windows, goto_handler_and_restore,
5404 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5405 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5406 return_addsi, return_di, return_adddi, return_sf, all call+jump
5407 peepholes, trap, unnamed trap insns): Prettify output strings.
5408 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5409 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5410 Likewise and force + implement splits for integer cases.
5411 (define_insn return_sf_no_fpu): Likewise and allow to match when
5412 no-fpu because of our subreg SFmode splits.
5413 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5414 zero_extendqidi2_insn, zero_extendhidi2_insn,
5415 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5416 input_operand for second operand.
5417 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5418 reg_or_0_operand for operand 2 so new splits can use it.
5419 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5420 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5422 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5423 CONST_DOUBLEs for operand 2.
5424 (define_insn move_label_di): Likewise and label distance
5425 optimization because it no longer works with new deferred case
5426 vector scheme. To be revisited.
5427 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5428 and allow reg_or_0_operand and J constraint for second operand.
5429 (define_insn jump): Set branch predict taken on V9.
5430 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5431 new deferred case vector scheme.
5432 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5433 (define_insn negdi2_sp32): Force + implement splits.
5434 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5435 one_cmplsi2_not_liveg0 respectively, and create expander of original
5436 names which emit special rtl for TARGET_LIVE_G0.
5437 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5438 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5439 gen_compare_reg, FAIL instead.
5440 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5441 values when trying to reverse condition codes, if they FAIL then
5443 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5444 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5445 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5446 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5447 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5448 set output string to # to indicate they are mandatory splits.
5449 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5450 pic_sethi_di, move_pic_label_si): Remove.
5451 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5452 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5454 (define_expand movsi_pic_label_ref, define_insn
5455 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5456 expander and insns to handle PIC label references and deferred
5458 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5460 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5461 Rewrite to not use emit_move_sequence, make use of new constant
5462 formation code, and new splits for all multi-insn cases.
5463 (define_insn movqi_insn): Remove sethi case, it can never happen.
5464 Use reg_or_zero_operand instead of const0_rtx explicit test,
5465 use input_operand instead of move_operand for source, and use
5466 general_operand now for dest.
5467 (define_insn movhi_insn): Similar but leave sethi case.
5468 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5469 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5470 movhi_lo_sum respectively, prettify output string.
5471 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5472 register when needed on TARGET_LIVE_G0.
5473 (define_insn movsi_insn): Use general_operand and input_operand
5474 for dest and src respectively. Simplify applicability test.
5475 Prettify output strings, and add clr alternative for J
5477 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5478 deprecated std and reg-reg DI moves): Remove and...
5479 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5480 implementation which uses forced splits for all non-single insn
5482 (define_split DI move cases on !arch64): New splits to handle all
5483 situations of 64-bit double register DImode on 32bit, and
5484 unaligned registers and memory addresses for all subtargets.
5485 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5487 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5488 input_operand for dest and src respectively, prettify output
5490 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5491 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5493 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5494 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5495 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5496 movtf_no_e_insn_sp64) Replace with new
5497 implementation which uses forced splits for all non-single insn
5499 (define_split DF move cases): New splits in similar vein to DI
5501 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5502 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5503 movdi_sp64_insn): Remove old v9 code model and constant loading
5505 (define_insn pic_lo_sum_di, pic_sethi_di,
5506 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5507 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5508 embmedany_sethi, embmedany_losum, embmedany_brsum,
5509 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5510 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5511 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5512 scheme, using unspecs, secondary reloads, and one to one sparc
5513 insn to rtl insn mapping for better scheduling and code gen.
5514 (define_expand reload_indi, reload_outdi): Reload helpers for
5515 MEDANY and EMBMEDANY symbol address loading cases which require a
5517 (define_expand movsicc): Remove v8plus_regcmp cases.
5518 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5519 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5520 cmp_diqi_trunc_set): New patterns used by some of the new scc
5522 (define_insn xordi3_sp64_dbl): New pattern used for constant
5523 formation when crossing from 32-bit targets.
5524 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5526 (define_insn addx, subx): Make visible and prettify.
5527 (define_insn adddi3_insn_sp32): Likewise and force split.
5528 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5529 64bit scc split usage.
5530 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5531 zero_extend, subdi3): Force and implement splits.
5533 * final.c (final_scan_insn): Don't output labels if target
5534 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5537 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5538 don't forget to walk inside SEQUENCESs too as these are what the
5539 delay slot scheduler will create.
5541 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5543 * alpha.md (extxl+1,+2): New patterns to work around
5546 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5548 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5549 caused bad assembly code to be generated.
5551 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5553 * netbsd.h: Fix typo.
5555 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5557 * config.sub: Fix typo.
5559 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5561 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5563 (Running Protoize): Typo: Change "ther" into "other".
5565 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5567 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5568 * m68k/netbsd.h: Likewise.
5569 * ns32k/netbsd.h: Likewise.
5570 * sparc/netbsd.h: Likewise.
5572 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5574 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5575 * ginclude/va-clipper.h (va_list): Likewise.
5577 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5579 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5580 load/store multiple instructions unless user overrides.
5582 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5584 * ns32k/netbsd.h: Fix typo.
5586 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5588 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5589 labels with .debugsym if no parallel insns.
5591 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5593 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5594 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5596 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5598 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5599 (AR_FOR_TARGET): Define.
5601 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5603 * dyn-string.h: New file.
5604 * dyn-string.c: Likewise.
5605 * Makefile.in (OBJS): Add dyn-string.o.
5606 (dwarf2out.o): Add dyn-string.h dependency.
5607 (dyn-string.o): List dependencies.
5608 * dwarf2out.c: Include dyn-string.h.
5609 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5610 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5611 prototype. Use dyn_string_append rather than strcat, throughout.
5612 (addr_to_string): Use dyn_string_t.
5614 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5616 Function entry/exit profiling instrumentation:
5617 * expr.h (profile_function_entry_libfunc,
5618 profile_function_exit_libfunc): Declare new variables.
5619 * optabs.c: Define them here.
5620 (init_optabs): Initialize them.
5621 * tree.h (struct tree_decl): New flag
5622 no_instrument_function_entry_exit.
5623 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5624 * c-decl.c (duplicate_decls): Merge it.
5625 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5626 (init_attributes): Use it for "no_instrument_function".
5627 (decl_attributes): Handle it, for functions that have not yet been
5628 compiled. Set decl flag.
5629 * flags.h (flag_instrument_function_entry_exit): Declare new
5631 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5632 (f_options): New option "instrument-functions".
5633 * function.h (struct function): New field instrument_entry_exit.
5634 * function.c (current_function_instrument_entry_exit): New
5636 (push_function_context_to, pop_function_context_from): Save and
5638 (expand_function_start): Set current_ variable, maybe emit return
5639 label and entry profile call.
5640 (expand_function_end): Maybe emit exit profile call.
5642 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5644 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5645 NON_QI_REG_P, pretend the register is SImode.
5647 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5649 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5650 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5651 manufacturer id for ns32k.
5652 * configure: Regenerated.
5653 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5654 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5655 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5656 * config/m68k/netbsd.h: Same.
5657 * config/ns32k/netbsd.h: Same.
5658 * config/sparc/netbsd.h: Same.
5660 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5662 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5663 or UNROLL_COMPLETELY loop that starts with a jump to its
5666 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5668 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5669 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5670 (print_operand, case 'B'): Don't fall through.
5671 (print_operand, case 'S'): Correct mask begin/end computation.
5672 Use HOST_BITS_PER_WIDE_INT.
5673 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5674 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5675 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5676 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5678 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5680 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5681 constraint from second alternative.
5683 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5685 * configure.in: Fix --without/--disable cases for local-prefix,
5686 gxx-include-dir and checking.
5688 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5690 * configure.in (enable_haifa): Set by default for sparc64 too.
5693 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5695 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5696 * i386/winnt.c (associated_type): New fn.
5697 (i386_pe_valid_type_attribute_p): New fn.
5698 (i386_pe_check_vtable_importexport): Remove.
5699 (i386_pe_dllexport_p): Use associated_type.
5700 (i386_pe_dllimport_p): Likewise.
5702 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5703 * i386.c (i386_valid_type_attribute_p): Also accept
5704 attributes for METHOD_TYPEs.
5706 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5708 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5710 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5712 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5714 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5715 them from generating a new base name for each occurence of
5718 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5720 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5722 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5726 * cplus-dem.c (type_kind_t): New type.
5727 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5728 on this paramter, rather than demangling the type again.
5729 (demangle_integral_value): Pass tk_integral.
5730 (demangle_template_: Pass the value returned from do_type.
5731 (do_type): Return a type_kind_t. Pass tk_integral to
5732 demangle_template_value_parm for array bounds.
5733 (demangle_fund_type): Likewise.
5735 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5737 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5740 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5742 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5744 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5746 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5748 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5751 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5753 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5754 (DEBUGGER_ARG_OFFSET): Likewise.
5756 * mn10300.md (movsf): Remove last change. Not needed.
5758 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5760 * c-lex.c (yylex): Fix boundary conditions in character literal and
5761 string literal loops.
5763 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5765 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5766 being invoked incorrectly.
5768 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5769 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5771 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5772 * configure.in: Added i[34567]86-*-win32
5773 * config.sub: Ditto.
5774 * configure: Rebuilt.
5776 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5778 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5779 the frame pointer and compiling PIC code and reload has not completed.
5781 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5784 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5786 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5788 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5790 * Makefile.in (install-info): Only try to update the info
5791 directory file if it exists in the first place.
5793 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5795 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5797 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5799 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5800 CONST_DOUBLE source.
5802 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5804 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5805 strings as the insertion of USER_LABEL_PREFIX.
5806 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5808 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5811 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5813 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5814 already defined type.
5816 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5818 * expr.c (check_max_integer_computation_mode): Allow conversions
5819 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5820 (expand_expr): Likewise.
5822 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5824 * expr.c (expand_expr): Expand RETURN_EXPR.
5826 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5828 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5830 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5832 * dwarf2out.c (output_aranges): Call stripattributes
5833 for TEXT_SECTION references.
5834 (output_line_info): Likewise.
5836 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5838 * profile.c (branch_prob): Call allocate_reg_info after outputting
5839 profile rtl in instrument_arcs.
5841 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5843 * fixinc.irix (math.h): Install wrapper instead of copying.
5845 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5847 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5848 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5849 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5850 lang_flag_0. Added documentation in the flag table.
5852 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5854 * cccp.c (do_include): Fix vax c style include handling.
5856 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5858 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5860 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5862 * fold-const.c (non_lvalue): Don't deal with null pointer
5864 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5866 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5868 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5869 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5870 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5871 (u_short_cint_operand): Same.
5872 (reg_or_cint_operand): Same.
5873 (logical_operand): Same.
5874 (input_operand): Same.
5875 (reg_or_short_operand): Use u_short_cint_operand.
5877 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5879 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5880 but keep the insns and splits. Adjust so when the ultimate destination
5881 is memory, use cvtql.
5883 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5885 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5887 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5889 * gcc.c (do_spec): Call "error" not "warning".
5891 * configure.in: Fix minor problems with gas feature detection code.
5892 * configure: Rebuilt.
5894 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5897 * gcc.c: Delete %[spec] support.
5898 (do_spec_1, case '('): Likewise.
5899 (do_spec_1, case '['): Call error.
5901 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5903 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5904 (CPP_SUBTARGET_SPEC): Default to empty string.
5905 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5906 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5907 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5908 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5910 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5911 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5912 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5913 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5914 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5915 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5916 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5917 * alpha/vxworks.h: Likewise.
5919 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5921 * mips.md (reload_outsi): Added missing REGNO call.
5922 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5924 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5925 another match_operator and compare the codes.
5927 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5929 * MIPS multiply pattern fixes:
5930 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5931 Add union classes for HI, LO, or HILO plus general registers.
5932 (GENERATE_MADD): Deleted.
5933 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5934 Add TARGET_MAD to condition.
5935 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5936 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5937 "*d" for accumulator, to give preference to LO initially but not
5940 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5942 * configure.in (enable_c_mbchar): New configure option.
5943 (extra_cpp_objs): Always available now.
5945 * cexp.y (mbchar.h): #include it.
5946 (yylex): Handle Multibyte characters in character literals.
5948 * cccp.c (mbchar.h): #include it.
5949 (main): Set character set based on LANG environment variable.
5950 (rescan): Handle multibyte characters in comments.
5951 (skip_if_group): See above.
5952 (validate_else): See above.
5953 (skip_to_end_of_comment): See above.
5954 (macarg1): See above.
5955 (discard_comments): See above.
5956 (rescan): Handle multibyte characters in string and character literals.
5957 (collect_expansion): See above.
5958 (skip_quoted_string): See above.
5959 (macroexpand): See above.
5960 (macarg1): See above.
5961 (discard_comments): See above.
5962 (change_newlines): See above.
5964 * c-lex.c (mbchar.h): #include it.
5965 (GET_ENVIRONMENT): New macro.
5966 (init_lex): Set character set based on LANG environment variable.
5967 (yylex): Handle multibyte characters in character literals.
5968 (yylex): Handle multibyte characters in string literals.
5970 * Makefile.in (mbchar.o): New target.
5971 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5972 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5974 * mbchar.[ch]: New files for multibyte character handling.
5976 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5978 * jump.c (jump_optimize): When simplifying noop moves and
5979 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
5980 the PUSHes to rewrite in second loop as we did in the first.
5982 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5984 * cplus-dem.c (demangle_nested_args): Make function definition
5985 static to match the prototype.
5987 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
5989 * alloca.c: Respect USE_C_ALLOCA.
5990 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
5991 * gengenrtl.c (xmalloc): Likewise.
5993 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
5995 * loop.h (struct induction): Add no_const_addval.
5996 * loop.c (the_movables, reg_address_cost): New variables.
5997 (init_loop): Init reg_address_cost.
5998 (loop_optimize): Call end_alias_analysis.
5999 (scan_loop): Init the_movables.
6000 (record_giv): Init induction->no_const_addval.
6001 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6002 [REG]: Rearrange loop search test to catch more cases.
6003 (general_induction_var): Return success not benefit; take an extra
6004 argument for that. Change all callers.
6005 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6006 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6007 [default]: Search the_movables for additional combinations.
6008 (sge_plus_constant, sge_plus): New functions.
6009 (express_from_1): New function.
6010 (express_from): Always define. Rewrite using express_from_1.
6011 (combine_givs_p): Handle more cases. Ignore address cost.
6012 (cmp_combine_givs_stats): New function.
6013 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6014 (combine_givs): Rewrite to do best-fit combination.
6016 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6017 (fold): Do a complete (A*C)+(B*C) association check.
6019 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6021 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6023 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6025 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6027 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6029 * tree.c (valid_machine_attribute): Only create a new type variant if
6030 there is a decl to use it.
6032 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6034 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6037 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6039 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6042 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6044 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6045 Simplify tests for clearing an address register.
6046 (expand_prologue): Corresponding changes.
6048 * mn10300.md (movXX patterns): Make sure the destination is an
6049 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6050 (logical patterns): Split into expanders + patterns
6051 (zero and sign extension patterns): Similarly.
6052 (shift patterns): Similarly.
6054 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6056 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6057 for the sequence, recording base values.
6059 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6061 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6063 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6065 * gcc.c: Remove ANSI-C ism from --help code.
6067 * toplev.c: Support --help with USE_CPPLIB.
6069 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6071 * configure.in: Rework gas feature code to work with symlink based
6074 * extend.texi: Clarify some issues related to local variables
6075 assigned to explicit registers.
6077 * mn10300.md (mulsi): Turn into expander + pattern.
6079 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6082 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6084 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6086 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6088 * version.c: Bump again to distinguish mainline tree from the
6091 See ChangeLog.0 for earlier changes.
6094 add-log-time-format: current-time-string
projects / platform / upstream / gcc.git / blob