1 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
4 Arrange to include gansidecl.h in {ht}config.h & tm.h just
5 before the config/ directory headers.
6 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
7 gansidecl.h in the list of dependencies.
9 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
10 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
11 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
12 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
13 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
14 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
17 * cccp.c: Don't include gansidecl.h.
19 * collect2.c: Likewise.
20 * config/c4x/c4x.c: Likewise.
21 * config/v850/v850.h: Likewise.
22 * cppalloc.c: Likewise.
23 * cpperror.c: Likewise.
25 * cppfiles.c: Likewise.
26 * cpphash.c: Likewise.
28 * cppmain.c: Likewise.
30 * demangle.h: Likewise.
31 * doprint.c: Likewise.
32 * dyn-string.c: Likewise.
33 * eh-common.h: Likewise.
34 * fix-header.c: Likewise.
38 * gen-protos.c: Likewise.
39 * gencheck.c: Likewise.
40 * halfpic.h: Likewise.
42 * machmode.h: Likewise.
45 * protoize.c: Likewise.
48 * scan-decls.c: Likewise.
52 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
54 * i386.md (call_value_pop): If we're not popping anything,
56 (call_pop): Likewise defer to call.
58 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
60 * function.c (purge_addressof): Clear purge_addressof_replacements
61 only after processing the whole function.
63 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
65 * reload1.c (reload): If we can not perform a particular elimination
66 when we thought we could earlier, then we must always iterate through
67 the loop at least one more time.
69 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
71 * alpha.c (add_operand): Simplify the CONST_INT match.
72 (sext_add_operand): Correct typo in comparison by using
73 CONST_OK_FOR_LETTER_P.
74 * alpha.md (s?addq): Use sext_add_operand to allow the negative
75 constant alternatives to be generated.
76 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
77 small constants, since the hw instructions do.
79 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
81 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
82 previous insn to store directly into our reload register, make sure
83 that if the source of the previous insn is a reload register, its
84 spill_reg_store and spill_reg_stored_to values are cleared.
86 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
88 * rs6000.md (floatunssidf2_internal splitter): Use base register
89 operand, not hard-coded SP.
91 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
93 * jump.c (calculate_can_reach_end): Fix thinko.
95 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
97 * reorg.c (fill_simple_delay_slots): Fix typo.
99 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
101 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
103 * i386.md (extendsidi2): Use # in the output template.
104 (extendsidi splitters): New splitters.
106 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
108 * jump.c (init_label_info, delete_barrier_successors,
109 mark_all_labels, delete_unreferenced_labels,
110 delete_noop_moves, calculate_can_reach_end): New functions broken
111 out of jump_optimize.
112 (jump_optimize): Use them.
114 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
116 * except.c (expand_fixup_region_end): Make sure outer context labels
117 are not issued in an inner context during cleanups.
119 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
121 * alpha.md (addsi3, subsi3): No new temporaries once cse is
124 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
126 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
127 to expose this midpoint to CSE.
129 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
131 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
133 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
135 * configure.in: Bring over gcc2 change of Nov 19 1997.
137 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
139 * toplev.c (output_lang_identify): Make definition dependent on
140 ASM_IDENTIFY_LANGUAGE.
142 * print-rtl.c (spaces): Make static.
144 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
146 * extend.texi: Clarify proper uses for register clobbers in asms.
148 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
150 * recog.h (enum op_type): Define.
151 (constrain_operands): Adjust prototype.
152 (recog_op_type): Declare new variable.
153 * recog.c (recog_op_type): New variable.
154 (insn_invalid_p): Allow modifying an asm statement after reload.
155 (extract_insn): Set up recog_op_type.
156 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
157 Don't compute operand types, use recog_op_type.
158 Use the information computed by extract_insn instead of the previous
159 method of finding it by insn code number.
160 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
161 * reorg.c (fill_slots_from_thread): Likewise.
162 * reload1.c (reload_as_needed): Likewise.
163 (gen_reload): Likewise.
164 (inc_for_reload): Likewise.
165 (reload_cse_simplify_operands): Likewise.
166 Use the information computed by extract_insn instead of the previous
167 method of finding it by insn code number.
168 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
170 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
171 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
172 Use the information computed by extract_insn instead of the previous
173 method of finding it by insn code number.
174 * regmove.c (find_matches): Likewise. Change meaning of the return
175 value to be nonzero if the optimization can be performed, zero if
176 not. All callers changed.
177 Shorten some variable names to fix formatting problems.
178 (regmove_optimize): Shorten some variable names to fix formatting
180 Use the information computed by extract_insn instead of the previous
181 method of finding it by insn code number.
182 * regclass.c (scan_one_insn): Likewise.
183 (record_reg_classes): Don't compute operand types, use recog_op_type.
184 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
185 recog_constraints instead.
187 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
189 * rtl.h (flow2_completed): Declare.
190 * flow.c (flow2_completed): Definition.
191 * toplev.c (rest_of_compilation): Set and clear flow2_completed
194 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
196 * Makefile.in (libcpp.a): Ranlib libcpp.a
198 * cppulp.c (user_label_prefix): Initialize.
200 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
202 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
203 at a RETURN if current_function_sp_is_unchanging is set.
205 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
207 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
209 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
211 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
212 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
213 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
214 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
215 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
216 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
218 (LIB_SPEC): Handle -mno-cyginw option.
219 (LINK_SPEC): Handle -mdll.
221 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
223 * reload.c (find_reloads): Fix test for usage by other reload
224 to handle secondary reloads properly.
226 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
228 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
229 intermediate structure which has exactly the members provided by
230 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
231 static intermediate structure.
233 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
234 from the intermediate structure. Do the same analogous fix in
235 the case where ELIMINABLE_REGS is not defined.
237 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
239 * pa.h (SELECT_SECTION): Fix thinko.
241 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
243 * dwarf2out.c (output_call_frame_info): Comments on last change.
245 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
247 * arm.c (add_constant): When taking the address of an item in the
248 pool, get the mode of the item addressed.
250 * arm.c (final_prescan_insn case INSN): If an insn doesn't
251 contain a SET or a PARALLEL, don't consider it for conditional
254 Restore ABI compatibility for NetBSD.
255 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
257 (RETURN_IN_MEMORY): Likewise.
259 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
261 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
262 (m32r_output_block_move): Rewrite bytes < 4 handling.
264 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
266 * configure.in: Call AC_FUNC_VFORK.
268 * collect2.c: Define VFORK_STRING as a printable string for
269 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
270 defined, include vfork.h. If VMS is defined, define vfork()
271 appropriately. Remove vfork check on USG, we're using autoconf.
272 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
273 checking locally what string to pass.
274 (scan_prog_file): Likewise.
275 (scan_libraries): Likewise.
277 * gcc.c: Remove vfork check on USG, we're using autoconf.
278 Besides, no calls to vfork/fork occur in this file.
280 * protoize.c: Likewise.
282 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
284 * configure.in (DEFAULT_LINKER): renamed from LD
285 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
286 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
289 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
291 * BUGS: fix the regexp for `more' to find the appropriate node.
292 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
294 * BUGS: added link to the WWW FAQ
296 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
298 * version.c: Bump for snapshot.
300 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
302 * From Christian Gafton:
303 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
304 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
305 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
307 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
309 * c-common.c (c_get_alias_set): Allow all type-punning through
310 unions. Don't get confused about the type of a bit-field, despite
311 the antics of build_modify_expr.
313 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
315 * fixinc.sco: Paramaterize #include_next values.
316 * fixinc/fixinc.sco: Likewise.
318 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
320 * toplev.c (rest_of_compilation): No longer set reload_completed.
321 * reload1.c (reload): Set it here. Perform instruction splitting
322 after reload has completed if we will be running the scheduler
325 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
327 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
328 EH region if exceptions are enabled and we're performing cross
330 (find_cross_jump): Exit loop if the insns are in different EH regions.
332 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
334 * dwarf2out.c (output_call_frame_info): Use
335 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
337 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
339 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
340 * c-common.c (check_format_info): Don't check for the 'x'
341 format character twice, instead check for 'x' and 'X'
343 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
345 * configure.in (assembler features): Also make gas is configured if
346 we find it in the souce tree.
348 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
350 * i386.c (i386_comp_type_attributes): Compare whether the
351 attributes are defined, not their tree nodes.
353 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
355 * configure.in (gxx_include_dir): bitten by autoconf quoting
359 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
361 * configure.in: Ignore non-absolute value in $AS.
363 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
365 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
367 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
369 * configure.in (msdosdjgpp): Set exeext and target_alias.
371 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
373 * flow.c (XNMALLOC): New macro.
374 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
376 (add_edge, add_edge_to_label): New static functions.
377 (free_bb_memory): New function.
378 (flow_delete_insn): Delete function.
379 (basic_block_drops_in): Delete variable.
380 (find_basic_blocks): Allocate and initialize basic_block_head,
381 basic_block_succ. Don't allocate basic_block_drops_in.
382 Call free_bb_memory at the beginning.
383 (find_basic_blocks_1): Don't do multiple passes.
384 Delete code to compute basic_block_drops_in.
385 After calling make_edges, mark blocks reached by current block live.
386 Update test for unreachable live blocks.
387 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
389 Simplify to call add_edge_to_label when a LABEL_REF is found.
390 (make_edges): Simplify to call add_edge_to_label instead of
391 mark_label_ref most of the time.
392 Compute here whether control drops into the next block.
393 (delete_unreachable_blocks): Return void. All callers changed.
394 Delete unreachable blocks in reverse order.
395 After deleting all unreachable blocks, renumber the remaining ones
396 and update n_basic_blocks.
397 (delete_block): Speed up deletion a bit.
398 Don't set basic_block_drops_in for deleted blocks.
399 (free_basic_block_vars): Don't free basic_block_drops_in.
400 (life_analysis_1): Update to use new edge representation.
401 (dump_flow_info): Delete code to print basic block info; call
402 dump_bb_data instead.
403 (compute_preds_succs): Delete code to recompute basic_block_drops_in
404 and uid_block_number.
405 Simply copy the previously computed cfg.
406 (dump_bb_data): New arg LIVE_INFO. All callers changed.
407 Print register lifetime information if LIVE_INFO is nonzero.
408 * basic-block.h (dump_bb_data): Adjust prototype.
409 * gcse.c (gcse_main): Update call to dump_bb_data.
410 * rtl.h (free_bb_memory): Declare.
411 * toplev.c (rest_of_compilation): Call free_bb_memory.
413 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
414 (update_eliminable_offsets): Don't compute it.
415 (set_initial_elim_offsets): Don't initialize it.
416 Break out some code into set_initial_label_offsets so the rest of
417 this function can be called from reload_as_needed.
418 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
419 ELIMINABLE_REGS isn't.
420 (set_initial_label_offsets): New function, broken out of
421 set_initial_elim_offsets.
422 (set_offsets_for_label): New function, broken out of set_label_offsets
423 and reload_as_needed.
424 (reload): Call the two new functions.
425 (reload_as_needed): Call set_initial_elim_offsets instead of
426 duplicating the code. Likewise for set_offsets_for_label.
428 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
429 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
430 any hard reg, reg_reloaded_dead contains valid data.
432 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
434 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
435 "stdcall" and "cdecl" attributes.
437 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
439 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
440 handle deleted no-op moves of hard registers.
441 * haifa-sched.c (update_flow_info): Likewise.
443 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
445 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
446 of the sequences to reload the HILO register which do not actually
449 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
451 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
453 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
455 * except.c (emit_eh_context): Make the EH context register stay alive
456 at -O0 so stupid.c doesn't get confused.
458 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
460 * emit-rtl.c (try_split): Do not try to split a BARRIER.
462 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
463 Jeffrey A Law (law@cygnus.com)
465 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
466 (zero_extendsidi2): Use # in output template and handle completely by
468 (zero_extend splitters): New define_splits.
469 (ashiftrt_32): New pattern.
471 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
473 * tree.c (append_random_chars): New fn.
474 (get_file_function_name_long): Use it.
476 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
478 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
479 (LIBCPP_OBJS): New. Add cppulp.o.
480 (cppmain, fix-header): Depend on and use libcpp.a.
481 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
482 of the individual object files.
483 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
486 * cccp.c (user_label_prefix): New.
487 (main): Set it off -f*leading-underscore.
488 (special_symbol): Use it.
489 * cpplib.c (special_symbol): Likewise.
490 (cpp_handle_option): Handle -f*leading-underscore.
491 * cppulp.c: New file.
493 * output.h (user_label_prefix): Declare it.
494 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
495 * toplev.c (f_options, main): Handle -f*leading-underscore.
497 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
498 referencing USER_LABEL_PREFIX directly.
499 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
500 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
501 * final.c (asm_fprintf): Use user_label_prefix instead.
502 * arm/thumb.c (thumb_print_operand): Likewise.
504 * gcc.c (default_compilers): Pass -f*leading-underscore on to
505 cpp wherever appropriate.
507 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
509 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
510 specific compiler switches.
512 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
514 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
517 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
519 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
520 structure which has exactly the members provided by EXTRA_SPECS.
521 Xmalloc() the real `extra_specs', and initialize it from this
522 intermediate structure.
524 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
526 * mips.h (EXTRA_SPECS): Likewise.
528 * sparc.h (EXTRA_SPECS): Likewise.
530 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
532 * function.c (purge_addressof_1): Instead of aborting when a
533 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
534 work just put the ADDRESSOF on stack. Otherwise remember all such
535 successfull replacements, so that exactly the same replacements
536 can be made on the REG_NOTEs. Remove the special case for CALL
538 (purge_addressof_replacements): New variable.
539 (purge_addressof): Clear it at end.
541 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
543 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
544 (lang_init): Call check_newline always.
545 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
546 cpp_start_read, set yy_cur and yy_lim to read from
547 parse_in.token_buffer, so that we'll see the first #line
549 * cpplib.c (cpp_start_read): finclude the main input file
550 before processing -include/-imacros. Process -imacros and
551 -include separately, and handle -include by stacking a
552 buffer for the file in question as if it'd been #included.
553 * toplev.c (documented_lang_options) Recognize -H when
556 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
558 * cpplib.c: Merge do_once into do_pragma. Break file handling
559 code out of do_include.
560 Move append_include_chain, deps_output,
561 file_cleanup, redundant_include_p, import_hash,
562 lookup_import, add_import, read_filename_string, read_name_map,
563 open_include_file, finclude, safe_read to cppfiles.c.
564 Move prototypes for deps_output, append_include_chain,
565 finclude to cpplib.h. Move definition of struct
566 file_name_list there also.
568 * cppfiles.c: New file. Contains all the above functions
569 broken out of cpplib.c; also hack_vms_include_specification
570 from cccp.c and find_include_file, a new function broken out of
573 * Makefile.in (cppmain): Depend on cppfiles.o.
574 (fix-header): Likewise.
575 (cppfiles.o): New target.
576 * configure.in (--enable-c-cpplib): Add cppfiles.o to
577 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
579 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
581 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
582 if pending_types is non-zero.
583 (dwarfout_finish): Verify pending_types is zero before finishing.
585 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
587 * expr.c (convert_move): Use shifts to perform the move if a
588 suitable extend pattern cannot be found. Code written by
589 Richard Henderson <rth@cygnus.com>.
591 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
593 * regclass.c (renumber, regno_allocated): New static variables, moved
594 out of allocate_reg_info.
595 (allocate_reg_info): Move these two variables outside the function.
596 Move code to free memory into new function free_reg_info.
597 (free_reg_info): New function, broken out of allocate_reg_info.
598 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
599 * rtl.h (allocate_reg_info): Don't declare.
600 (free_reg_info): Declare.
602 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
604 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
606 * toplev.c (compile_file): Temporarily revert last change.
608 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
610 * c-typeck.c (convert_for_assignment): Parenthesize.
612 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
614 * reload1.c (delete_output_reload): Avoid ambigous else.
616 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
618 * toplev.c (compile_file): Call allocate_reg_info to free register
620 * rtl.h (allocate_reg_info): Declare.
622 * PROJECTS: Remove entry for local spilling.
624 * final.c (cleanup_subreg_operands): New function.
625 (final_scan_insn): Use it.
626 (alter_subreg): Clear the "used" field when we turn a SUBREG into
628 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
629 operands when reload has finished.
630 * reload.h (cleanup_subreg_operands): Declare..
631 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
632 reload. Handled in reload itself.
634 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
636 * reload1.c (verify_initial_offsets): New function.
637 (reload): Call it after reload_as_needed. Also verify that the frame
638 size stays constant during reload_as_needed.
639 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
641 * reload.h (struct insn_chain): Add need_operand_change element.
642 * reload1.c (new_insn_chain): Clear it.
643 (calculate_needs_all_insns): Set it; don't overload need_reload.
644 (reload_as_needed): Use it.
646 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
647 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
648 and reload_address_index_reg_class.
649 (find_reloads_address_1): Likewise.
650 * reload.h (reload_address_base_reg_class,
651 reload_address_index_reg_class): Don't declare.
652 * reload1.c (reg_old_renumber, pseudo_previous_regs,
653 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
654 (used_spill_regs): Now static.
655 (reload_address_base_reg_class, reload_address_index_reg_class,
656 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
657 basic_block_needs, max_needs, group_size, group_mode, max_groups,
658 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
661 (init_reload): Delete code to compute base/index reg classes.
662 (reload): Delete variable J.
663 Delete code to manage basic_block_needs.
664 Don't compute regs_explicitly_used.
665 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
666 pseudo_previous_regs.
667 Initialize bad_spill_regs_global.
668 Don't call order_regs_for_reload here.
669 Don't initialize spill_reg_order and n_spills.
670 Don't forbid explicitly used regs to be used for spill regs.
671 Change main loop to infinite loop, with explicit break statements.
672 Make SOMETHING_CHANGED variable local to that loop.
673 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
674 max_groups_insn, max_nongroups_insn, group_size, group_mode.
675 Make sure spilled_speudos is cleared before calling spill_hard_reg or
677 Don't call dump_needs.
678 Delete code to reset potential_reload_regs.
679 Delete code to terminate loop conditional on the global needs variables
680 showing no further needs.
681 (calculate_needs_all_insns): Return void. All callers changed.
682 Initialize somehing_needs_elimination here, not in reload.
683 Delete avoid_return_reg kludge.
684 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
686 Initialize the group_mode and group_size elements of the arg CHAIN.
687 Delete code to manage basic_block_needs.
688 Operate on elements of CHAIN instead of global variables.
689 Delete avoid_return_reg kludge.
690 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
692 Operate on elements of CHAIN instead of global variables.
693 Delete special SMALL_REGISTER_CLASSES code.
694 Delete spill_failure code; now in new_spill_reg.
695 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
697 Operate on elements of CHAIN instead of global variables.
698 (maybe_mark_pseudo_spilled): New static function.
699 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
701 Operate on elements of CHAIN instead of global variables.
702 Call order_regs_for_reload here, not in reload.
703 Initialize spill_reg_order and n_spills.
704 Simplify test whether an asm insn is involved.
705 Delete spill_failure code; now in new_spill_reg.
706 Call maybe_mark_pseudo_spilled for everything marked as live in
707 CHAIN. Merge CHAIN's used_spill_regs into the global variable
709 (dump_needs): Take CHAIN arg. No longer static, to prevent the
710 compiler from optimizing this function (now unused) away.
711 Operate on elements of CHAIN instead of global variables.
712 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
714 Operate on elements of CHAIN instead of global variables.
715 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
716 take CHAIN arg. All callers changed.
717 Operate on elements of CHAIN instead of global variables.
718 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
719 CHAIN, NONGROUP args. Return void. All callers changed.
720 Verify caller isn't trying to spill a pseudo.
721 Simplify test for illegal reg, just use bad_spill_regs.
722 Generate better error messages.
723 Operate on elements of CHAIN instead of global variables.
724 Mark spilled register in CHAIN's used_spill_regs element.
725 Don't call spill_hard_reg.
726 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
727 Mark spilled hard regs in bad_spill_regs_global.
728 Mark affected pseudos in spilled_pseudos, but don't spill them.
729 (ior_hard_reg_set): New static function.
730 (finish_spills): Return int. All callers changed.
731 Compute spill_reg_order, n_spills and spill_regs here. Also update
732 regs_ever_live for regs used as spills.
733 For every pseudo in spilled_pseudos, spill it and mark the previous
734 hard reg it had in pseudo_previous_regs. Compute which hard regs
735 arseudo): New static function.
736 (order_regs_for_reload): Take CHAIN arg. All callers changed.
737 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
738 hard registers explicitly used across the current insn into the set.
739 Compute hard_reg_n_uses taking only pseudos live across this insn
741 Tweak sorting of potential_reload_regs.
742 (compare_spill_regs): Delete function.
743 (reload_as_needed): Don't sort the spill_regs array, it's computed
744 in proper order in finish_spills.
745 Delete avoid_return_reg kludge.
746 Delete code to manage basic_block_needs.
747 (allocate_reload_reg): Minor speed/readability tweaks.
748 Operate on elements of CHAIN instead of global variables.
749 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
750 Delete avoid_return_reg kludge.
751 Initialize reload_reg_used from CHAIN's used_spill_regs element.
752 Delete unused label FAIL.
753 (reload_combine): Replce reload_address_index_reg_class with
755 Don't use used_spill_regs to determine information about lifetime of
758 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
760 * toplev.c (display_help): Ignore empty target specific
761 options, and if -W is also specified on the command line then
762 display undocumented options.
764 * config/arm/arm.c: Updated with changes in devo sources.
765 * config/arm/arm.h: Updated with changes in devo sources.
766 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
767 * config/arm/lib1thumb.asm: Add ELF support.
769 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
771 * collect2.c (aix64_flag): New variable.
772 (main, case 'b'): Parse it.
773 (GCC_CHECK_HDR): object magic number must match mode.
774 (scan_prog_file): Only check for shared object if valid header.
775 Print debugging if header/mode mismatch.
777 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
779 Added support for arm-elf-linux configuration, submitted by Philip
780 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
781 code developed by Catherine Moore <clm@cygnus.com>. The following
784 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
787 * configure: Regenerated.
789 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
790 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
791 definitions conditional on their not having been already defined.
793 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
794 and .type directives, and add "(PLT)" qualification to function
797 * config/arm/linux.h: Deleted. This file is now superceeded by
798 either linux-elf.h or linux-aout.h.
800 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
801 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
803 Move definitions from old linux.h file here.
805 * config/arm/elf.h: New file. Generic ARM/ELF support.
807 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
809 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
811 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
812 using the 26bit APCS.
814 * config/arm/unknown-elf.h: New file. Support for OS'es other
817 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
820 * config/arm/coff.h: Include aout.h for basic assembler macros.
821 Add support for -mstructure_size_boundary=<n> command line option.
823 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
824 command line option. Make macro definitions conditional on their
825 not having been already defined.
827 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
831 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
833 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
834 has been changed to not include a newline. Use this macro instead.
835 (output_enumeral_list, const_value_attribute, name_attribute,
836 comp_dir_attribute, prototyped_attribute, producer_attribute,
837 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
838 dwarfout_file_scope_decl, generate_new_sfname_entry,
839 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
840 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
842 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
844 * combine.c (subst): Process the inputs to a parallel asm_operands
847 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
849 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
851 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
853 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
855 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
857 * version.c: Bump for snapshot.
859 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
861 * stmt.c (expand_fixup): Set fixup->before_jump to a
862 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
864 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 * Makefile.in (recog.o): Depend on toplev.h.
867 (insn-emit.o): Depend on recog.h.
868 (insn-peep.o): Depend on recog.h and insn-config.h.
870 * combine.c (simplify_set): Remove unused variable `scratches'.
872 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
873 and `idx' in macro conditional controlling their use.
875 * genemit.c (main): Make the generated output file include
876 recog.h. Don't have it declare `insn_operand_constraint', since
877 we get it from recog.h.
879 * genpeep.c (main): Make the generated output file include
880 insn-config.h and recog.h.
882 * recog.c: Include toplev.h.
883 (extract_insn): Remove unused variable `p'.
885 * regclass.c (fix_register): Add missing braces around initializer
887 (allocate_reg_info): Move variable `i' into the scope where it is
888 used. Change its type to `size_t'.
890 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
892 * reload.c (push_reload): When merging reloads, make sure
893 that reload_in_reg and reload_in are from the same reload in
896 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
898 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
899 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
901 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
903 * loop.c (loop_has_tablejump): New variable.
904 (prescan_loop): Scan for it.
905 (insert_bct): Replace explicit scan with use of it.
906 * regclass.c (regclass): Restore loop variable j.
907 (record_reg_classes): Deterine op_types modifiers and initialize
908 classes[i] before matching constraints. Handle matching
911 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
913 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
916 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * mips.h (EXTRA_SPECS): Add missing initializers.
920 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
922 * sparc.h (EXTRA_SPECS): Add missing initializers.
923 (sparc_defer_case_vector): Provide a prototype.
925 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
926 comparing it to the result of a pointer subtraction.
928 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
930 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
931 the argument to (unsigned char).
933 * alpha.h (EXTRA_SPECS): Add missing initializers.
934 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
937 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
939 * flow.c (life_analysis_1): Enable "rescan" code after reload.
940 (propagate_block): Delete dead code after reload.
942 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
943 back Oct 15, 1998 change.
944 * haifa-sched.c (update_flow_info): Likewise.
945 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
947 * mn10200.md (truncated shift): Accept constant inputs too.
949 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
951 * machmode.h (mode_mask_array): No longer const.
952 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
954 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
956 * frame.c: Somewhat explain `FDE'.
957 Suggested by Brendan Kehoe
959 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
961 * expr.c (pending_chain): Move up.
962 (save_expr_status): Do save pending_chain.
963 (restore_expr_status): And restore it.
964 * function.h (struct function): Add pending_chain.
966 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
968 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
969 did not match the code.
971 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
973 * regclass.c (regclass): Break out some code into new function
974 scan_one_insn, and into regclass_init.
975 (init_cost): New static variable, moved out of regclass.
976 (regclass_init): Initialize it here, not in .
977 (scan_one_insn): New static function, broken out of regclass.
978 * recog.c (apply_change_group): Break out some code into new
979 function insn_invalid_p.
980 (insn_invalid_p): New static fn, broken out of apply_change_group.
982 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
984 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
985 reg_reloaded_contents matches incremented pseudo.
987 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
989 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
991 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
992 addressing modes with side effects. These are currently
993 placeholders for the C4x target.
995 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
997 * loop.c (express_from): Make sure that when generating a PLUS of
998 a PLUS, any constant expression appears on the outermost PLUS.
1000 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
1002 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
1003 works if "$(srcdir)" != ".".
1005 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
1007 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
1008 existing SUBREG if we can, otherwise abort.
1010 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
1012 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
1013 `restrict' is applied to a non-pointer variable.
1015 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
1017 * invoke.texi: Document -flang-isoc9x.
1019 * Makefile.in (OBJS): Add splay-tree.o.
1020 (c-common.o): Depend on rtl.h.
1021 (splay-tree.o): List dependencies and provide build rule.
1023 * rtl.h (record_alias_subset): New function.
1024 * alias.c: Include splay-tree.h.
1025 (alias_set_entry): New type.
1026 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
1027 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
1028 (mems_in_disjoin_alias_sets_p): New function.
1029 (alias_set_compare): Likewise.
1030 (insert_subset_children): Likewise.
1031 (get_alias_set_entry): Likewise.
1033 * tree.h (TYPE_RESTRICT): New macro.
1034 (TYPE_UNQUALIFIED): New manifest constant.
1035 (TYPE_QUAL_CONST): Likewise
1036 (TYPE_QUAL_VOLATILE): Likewise.
1037 (TYPE_QUAL_RESTRICT): Likewise.
1038 (tree_type): Add restrict_flag. Reduce count of free bits.
1039 (DECL_POINTER_ALIAS_SET): New macro.
1040 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1041 (tree_decl): Add pointer_alias_set.
1042 (build_qualified_type): New function.
1043 (build_type_variant): Define in terms of build_qualified_type.
1044 * tree.c (set_type_quals): New function.
1045 (make_node): Initializae DECL_POINTER_ALIAS_SET.
1046 (build_type_attribute_variant): Use build_qualified_type and
1048 (build_type_variant): Rename, and modify, to become...
1049 (build_qualified_type): New function.
1050 (build_complex_type): Use set_type_quals.
1052 * c-tree.h (C_TYPE_OBJECT_P): New macro.
1053 (C_TYPE_FUNCTION_P): Likewise.
1054 (C_TYPE_INCOMPLETE_P): Likewise.
1055 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1056 (c_apply_type_quals_to_decl): New function.
1057 (c_build_qualified_type): New function.
1058 (c_build_type_variant): Define in terms of c_build_qualified_type.
1059 (flag_isoc9x): Declare.
1060 * c-typeck.c (qualify_type): Use c_build_qualified_type.
1061 (common_type): Change to use TYPE_QUALS.
1062 (comptypes): Likewise.
1063 (convert_for_assignment): Likewise.
1064 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
1065 * c-decl.c (flag_isoc9x): Define.
1066 (c_decode_option): Handle -flang-isoc9x.
1067 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
1068 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
1069 * c-lex.c (init_lex): Deal with restrict.
1070 (init_lex): Don't treat restrict as a reserved word in
1071 -traditional mode, or without -flang-isoc9x.
1072 * c-lex.h (rid): Add RID_RESTRICT.
1073 * c-parse.gperf (restrict, __restrict, __restrict__): Make
1074 equivalent to RID_RESTRICT.
1075 * c-parse.in (TYPE_QUAL): Update comment.
1076 * c-common.c: Include rtl.h.
1077 (c_find_base_decl): New function.
1078 (c_build_type_variant): Rename, and modify, to become ...
1079 (c_build_qualified_type): New function.
1080 (c_apply_type_quals_to_decl): Likewise.
1081 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1082 a particular alias set for the reference.
1083 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1085 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1087 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1088 command line switches.
1090 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1092 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1095 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1097 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1099 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1101 * regclass.c (fix_register): Add error message.
1102 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1105 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1107 * c-decl.c (warn_missing_noreturn): New global variable.
1108 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1109 (finish_function): Implement missing noreturn warning.
1111 * c-tree.h (warn_missing_noreturn): Declare extern.
1113 * invoke.texi: Document new flags.
1115 * toplev.c (documented_lang_options): Add description.
1117 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1119 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1120 loop optimization stable for the C4x.
1121 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1122 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1123 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1125 (c4x_address_conflict): Be more paranoid when packing a volatile
1126 memref in a parallel load/store.
1128 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1130 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1131 repeat_block_filler): Deleted.
1132 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1133 Condition code not set if destination register from 'c' class.
1134 (*subbqi3_carry_clobber): Fix typo.
1136 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1138 * reorg.c (steal_delay_list_from_target) Check for insns that
1139 modify the condition codes and effect the direction of the jump
1142 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1144 * function.c (purge_addressof_1): Replace call to
1145 emit_insns_before() with emit_insn_before().
1147 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1149 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1151 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1153 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1155 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1157 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1158 clobbered across calls.
1160 * loop.c (scan_loop): Be more selective about what invariants are
1161 moved out of a loop.
1163 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1165 * version.c: Bump for snapshot.
1167 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1169 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1170 static eh_context structure.
1172 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1174 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1176 (try_combine): Don't update max_scratch.
1177 * flow.c (max_scratch, num_scratch): Delete variables.
1178 (life_analysis_1): Don't initialize max_scratch.
1179 (propagate_block): Don't update max_scratch.
1180 (mark_set_1): Don't increment num_scratch.
1181 * regs.h (max_scratch): Delete declaration.
1183 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1185 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1186 is nonzero. This is temporary!
1188 * sched.c (update_flow_info): Handle death notes made invalid by
1189 instruction splitting. Partially reverts Oct 15, 1998 patch.
1190 * haifa-sched.c (update_flow_info): Likewise.
1192 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1194 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1195 if it has a nonzero DECL_INITIAL.
1197 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1199 * Makefile.in (flow.o): Depend on recog.h.
1201 * cpplib.h (directive_table): Add missing initializiers.
1202 (finclude): Change type of variable `bsize' to size_t.
1204 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1206 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1208 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1209 `int' when comparing against one.
1210 (cpp_file_line_for_message): Mark parameter `pfile' with
1212 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1214 * flow.c: Include recog.h.
1215 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1217 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1218 `f' with ATTRIBUTE_UNUSED.
1219 (reposition_prologue_and_epilogue_notes): Likewise.
1221 * genopinit.c (gen_insn): Cast argument of ctype functions to
1224 * haifa-sched.c: Include recog.h.
1225 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1226 comparing against one.
1228 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1230 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1232 (parse_ent): Likewise.
1233 (parse_input): Likewise.
1235 * optabs.c (init_libfuncs): Likewise.
1237 * protoize.c (find_rightmost_formals_list): Likewise.
1239 * recog.h (const_double_operand): Fix typo in prototype.
1241 * tlink.c (scan_linker_output): Cast the argument of ctype
1242 function to `unsigned char'.
1244 * toplev.c (check_lang_option): Cast the result of `strlen' to
1245 `int' when comparing against one.
1247 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1249 * gcse.c (dump_cuid_table): Correct typo.
1251 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1253 * toplev.c (display_help): Prepend '-m' to target specific
1255 (check_lang_option): Ignore text after end of first word of a
1256 language specific option.
1258 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1260 * reload1.c (reg_used_by_pseudo): New static variable.
1261 (choose_reload_regs): Initialize it.
1262 Use it instead of testing spill_reg_order to determine whether a
1263 pseudo is live in a hard register across the current insn.
1264 Fix a typo in a reference to reload_reg_rtx.
1266 * flow.c (propagate_block): Replace code that computes and uses
1267 regs_sometimes_live with simpler code that just walks the set of
1268 currently live registers.
1270 * Makefile.in (insn-extract.o): Fix dependencies.
1271 * genextract.c (main): Generate includes for insn-config.h and
1273 Delete generation of declarations which are now in recog.h.
1274 * genrecog.c (main): Delete generation of definitions which are
1276 * local-alloc.c (block_alloc): Use extract_insn and the variables
1277 it sets up instead of looking up values by insn_code.
1278 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1279 recog_dup_num): Define here instead of generating the definition in
1281 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1282 recog_operand_mode, recog_constraints, recog_operand_address_p):
1284 (extract_insn): New function.
1285 * recog.h (extract_insn): Declare function.
1286 (which_alternative, recog_n_operands, recog_n_dups,
1287 recog_n_alternatives, recog_operand_mode, recog_constraints,
1288 recog_operand_address_p): Declare variables.
1289 * regclass.c (n_occurrences): New static function.
1290 * reload.c (n_occurrences): Delete function.
1291 (find_reloads): Use extract_insn.
1292 * reload.h (n_occurrences): Delete declaration.
1294 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1296 * reload1.c (reload_as_needed): Fix test for when to call
1297 update_eliminable_offsets.
1299 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1301 Fix consistency problems with reg_equiv_{mem,address};
1302 Improve reload inheritance;
1304 * reload.c (reload_out_reg): New variable.
1305 (loc_mentioned_in_p, remove_address_replacements): New functions.
1306 (remove_replacements): Deleted.
1307 (push_reload): Set reload_out_reg[i].
1308 When merging, also set reload_{in,out}_reg[i], and remove
1309 duplicate address reloads.
1310 (combine_reloads): Copy reload_out_reg[i].
1311 (find_reloads): Do make_memloc substitution also when
1312 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1314 Include *recog_operand_loc in commutativity operand changes.
1315 Generate optional output reloads.
1316 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1317 processing operands. Call make_memloc in reg_equiv_address code.
1318 Set *recog_operand_loc only after processing operands, and only
1319 if replace is true. Return a value.
1320 When changing address reload types for operands that didn't get
1321 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1322 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1323 Don't emit USEs for pseudo SUBREGs when not replacing.
1324 (find_reloads_address): Do make_memloc substitution also when
1325 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1327 (find_reloads_toplev): Likewise.
1328 Call make_memloc in reg_equiv_address code.
1329 (debug_reload_to_stream): Add code to output reload_out_reg.
1330 (make_memloc): Delete local variable i, ifdefed out code, and
1331 references to memlocs and n_memlocs.
1332 (memlocs, n_memlocs): Delete.
1333 (push_secondary_reload): Clear reload_out_reg.
1334 (find_reloads_address_1): Provide memrefloc argument to all calls
1335 to find_reloads_address.
1336 In AUTO_INC code, handle non-directly addressable equivalences properly.
1337 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1338 (find_reloads): Add return type.
1339 (remove_address_replacements, deallocate_reload_reg): Declare.
1340 * reload1.c (num_not_at_initial_offset): No longer static.
1341 (delete_address_reloads, delete_address_reloads_1): Likewise.
1342 (deallocate_reload_reg): New function.
1343 (spill_reg_stored_to): New array.
1344 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1345 (eliminate_regs_in_insn): Move assignments of previous_offset and
1346 max_offset fields, and recalculation of num_not_at_initial_offset
1347 into new static function:
1348 (update_eliminable_offsets) .
1349 (reload_as_needed): Call update_eliminable_offsetss after calling
1351 Call forget_old_reloads_1 with contents of reloaded auto_inc
1352 expressions if the actual addressing can't be changed to match the
1354 (choose_reload_regs): For inheritance, replace
1355 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1356 remove stand-alone reload_reg_used_at_all test.
1357 Use reload_out_reg to determine which reload regs have output reloads.
1358 Treat reload_override_in more similar to inherited reloads.
1359 Handle (subreg (reg... for inheritance.
1360 For flag_expensive_optimizations, add an extra pass to remove
1361 unnecessary reloads from known working inheritance.
1362 Delete obsolete code for pseudos replaced with MEMs.
1363 Handle inheritance from auto_inc expressions.
1364 (emit_reload_insns): If reload_in is a MEM, set OLD to
1366 Don't reload directly from oldequiv; if it's a pseudo with a
1367 stack slot, use reload_in[j].
1368 Check that reload_in_reg[j] is a MEM before replacing reload_in
1369 from reg_reloaded_contents.
1370 Include non-spill registers in reload inheritance processing.
1371 Also try to use reload_out_reg to set spill_reg_store /
1372 reg_last_reload_reg.
1373 In code to set new_spill_reg_store, use single_set to find out if
1374 there is a single set.
1375 Add code that allows to delete optional output reloads.
1376 Add code to allow deletion of output reloads that use no spill reg.
1377 At the end, set reload_override_in to oldequiv.
1378 Also call delete_output_reload if reload_out_reg is equal to old
1380 Add code to call delete_output_reload for stores with no matching load.
1381 Set / use spill_reg_stored_to.
1382 Handle case where secondary output reload uses a temporary, but
1383 actual store isn't found.
1384 When looking for a store of a value not loaded in order to call
1385 delete_output_reload, count_occurences should return 0 for no
1386 loads; but discount inherited input reloadill_reg_stored_to.
1387 Do checks for extra uses of REG. Changed all
1389 Use delete_address_reloads.
1390 (reload): Take return value of find_reloads into account.
1391 If a no-op set needs more than one reload, delete it.
1392 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1393 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1394 for the same operand.
1395 (clear_reload_reg_in_use): Check for other reloads that keep a
1397 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1398 RELOAD_FOR_OPADDR_ADDR.
1399 Take into account when an address address reload is only needed
1400 for the address reload we are considering.
1401 (count_occurrences): Use rtx_equal_p for MEMs.
1402 (inc_for_reload): Return instruction that stores into RELOADREG.
1403 New argument two, IN, and rtx. Changed all callers.
1404 (calculate_needs_all_insns, reload_as_needed):
1405 Don't clear after_call for a CLOBBER.
1406 Keep track of how many hard registers need to be copied from
1407 after_call, and don't clear after_call before we have seen
1408 that much copies, or we see a different instruction.
1410 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1412 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1413 after reload has completed.
1415 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1417 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1418 a macro name and the next token with a single blank if that whitespace
1419 is in a macro buffer and the next token is not '('.
1421 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1423 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1425 (skip_if_group): Ditto.
1426 (skip_to_end_of_comment): Ditto.
1428 (discard_comments): Ditto.
1429 (change_newlines): Ditto.
1431 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1433 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1435 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1437 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1438 (TARGET_OPTIONS): Add --help documentation.
1440 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1442 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1444 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1446 * fixinc/* Moved in from ../contrib directory in preparation
1447 for integrating it into the normal build process. In particular,
1448 fixinc/Makefile.in must be config-ed into the build directory
1449 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1450 ./configure.in will be "in the mail" momentarily.
1452 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1454 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1455 accidently walk into the free list. Comment how that can happen.
1456 (invalidate): Fix indentation.
1458 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1459 Jeffrey A Law (law@cygnus.com)
1461 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1462 reload. Never perform rescans of the insn chain after reload.
1463 (propagate_block): Do not delete insn or create new autoinc addressing
1466 * jump.c (jump_optimize): Unconditionally use the code that was
1467 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1468 * reload1.c (reload): When reloading is finished, delete all
1469 REG_DEAD and REG_UNUSED notes.
1470 (emit_reload_insns): Delete all code that was conditional on
1471 PRESERVE_DEATH_INFO_REGNO_P.
1472 (no_longer_dead_regs): Delete variable.
1473 (reload_cse_delete_death_notes): Delete function.
1474 (reload_cse_no_longer_dead): Delete function.
1475 (reload_cse_regs_1): Delete all code to handle deletion of death
1477 (reload_cse_noop_set_p): Likewise.
1478 (reload_cse_simplify_set): Likewise.
1479 (reload_cse_simplify_operands): Likewise.
1480 (reload_cse_move2add): Likewise.
1481 * reorg.c (used_spill_regs): Delete declaration.
1482 (max_label_num_after_reload): Delete declaration.
1483 (find_dead_or_set_registers): Don't assume that spill regs are
1484 dead at a CODE_LABEL.
1485 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1487 * sched.c (sched_analyze_insn): Likewise.
1488 (update_flow_info): Likewise.
1489 * haifa-sched.c (sched_analyze_insn): Likewise.
1490 (update_flow_info): Likewise.
1491 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1492 * toplev.c (max_label_num_after_reload): Delete variable.
1493 (rest_of_compilation): Don't set max_label_num_after_reload.
1494 Call life_analysis after reload_cse_regs if optimizing.
1495 * config/gmicro/gmicro.h: Delete comment referring to
1496 PRESERVE_DEATH_INFO_REGNO_P.
1497 * config/i386/i386.h: Likewise.
1498 * config/m88k/m88k.h: Likewise.
1499 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1500 * config/sh/sh.h: Likewise.
1502 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1504 * loop.c (strength_reduce): Restore marking bct_p as
1506 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1507 HAVE_decrement_and_branch_on_count.
1508 (small_data_operand): Remove TARGET_ELF condition for marking
1509 parameters ATTRIBUTE_UNUSED.
1511 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1513 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1514 (SELECT_SECTION): Resync with svr4.h.
1516 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1518 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1521 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1523 * c-pragma.c (handle_pragma_token): Test for null tree before
1524 dereferencing TREE_CODE.
1526 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1528 * config/c4x/c4x.c: Convert to use GEN_INT.
1529 (c4x_parallel_process): Rework to handle new repeat loop structure.
1531 * config/c4x/c4x.md: Convert to use GEN_INT.
1532 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1533 (decrement_and_branch_on_count): Likewise.
1535 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1536 loop.c has the desired functionality.
1537 (rc_reg_operand): New prototype.
1539 * config/c4x/t-c4x: Can now build all front ends.
1541 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1543 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1545 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1547 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1548 * config/t-rtems: Do not install assert.h -- use newlib's.
1550 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1552 * combine.c (combine_instructions): When finished, call init_recog.
1553 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1555 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1557 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1559 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1561 * cppalloc.c (memory_full): Mark function prototype with
1564 * demangle.h (collect_exit): Likewise.
1566 * fix-header.c (v_fatal, fatal): Likewise.
1568 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1571 * gcov.c (print_usage): Likewise.
1573 * genattr.c (fatal, fancy_abort): Likewise.
1575 * genattrtab.c (fatal, fancy_abort): Likewise.
1577 * gencodes.c (fatal, fancy_abort): Likewise.
1579 * genconfig.c (fatal, fancy_abort): Likewise.
1581 * genemit.c (fatal, fancy_abort): Likewise.
1583 * genextract.c (fatal, fancy_abort): Likewise.
1585 * genflags.c (fatal, fancy_abort): Likewise.
1587 * genopinit.c (fatal, fancy_abort): Likewise.
1589 * genoutput.c (fatal, fancy_abort): Likewise.
1591 * genpeep.c (fatal, fancy_abort): Likewise.
1593 * genrecog.c (fatal, fancy_abort): Likewise.
1595 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1596 __sjpopnthrow, __throw): Likewise.
1598 * objc/objc-act.c (objc_fatal): Likewise.
1600 * protoize.c (usage, aux_info_corrupted,
1601 declare_source_confusing): Likewise.
1603 * rtl.c (dump_and_abort): Likewise.
1605 * rtl.h (sets_cc0_p): Likewise.
1607 * toplev.c (float_signal, pipe_closed): Likewise.
1609 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1611 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1612 when generating the decision tree for the general case.
1614 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1615 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1617 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1619 * Makefile.in (sched.o): Depend on recog.h.
1621 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1622 (unsigned) when comparing against one.
1623 (find_base_value): Likewise.
1624 (record_base_value): Cast variable `regno' to (unsigned) when
1625 comparing against one. Cast the result of REGNO() macro to
1626 (unsigned) when comparing against one.
1627 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1629 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1630 variable where an unsigned index is needed.
1632 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1633 before comparing against one.
1635 * collect2.c: Add prototypes for functions `error', `fatal' and
1636 `fatal_perror'. Make these functions take variable arguments
1637 instead of faking it with a fixed number of args.
1638 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1641 * combine.c (can_combine_p): Mark parameter `pred' with
1643 (find_split_point): Cast variable `src' to (unsigned
1644 HOST_WIDE_INT) when comparing against one.
1645 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1646 (simplify_logical): Likewise.
1647 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1648 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1649 HOST_WIDE_INT) in shift.
1650 (simplify_and_const_int): Cast result of INTVAL() macro to
1651 `unsigned HOST_WIDE_INT' when comparing against one.
1652 (merge_outer_ops): Cast variable const0 to `unsigned
1653 HOST_WIDE_INT' when comparing against the result of
1654 GET_MODE_MASK() macro.
1655 (simplify_comparison): Likewise for variable `c0'. Cast variable
1656 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1657 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1658 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1659 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1660 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1661 comparing against one.
1662 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1664 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1665 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1666 (output_block_move): Cast `sizeof' expression to (int) when
1667 comparing against one.
1668 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1670 (save_restore_insns): Cast `base_offset' to `long' to match format
1671 specifier in fprintf.
1673 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1674 to `enum machine_mode'.
1676 * flow.c (life_analysis_1): Remove unused variable `insn'.
1678 * gcc.c (translate_options): Move variables `j' and `k' into the
1679 scope in which they are used. Change their types to `size_t'.
1680 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1681 (read_specs): Likewise.
1682 (process_command): Cast `sizeof' to (int) when comparing against one.
1683 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1684 (handle_braces): Cast both sides of `==' expression to `long' to
1685 ensure sign matching.
1686 (main): Cast variable `i' to `int' when comparing against one.
1688 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1689 int to size_t. Cast variable `i' to size_t when comparing against
1692 * genattrtab.c (convert_set_attr_alternative): Remove unused
1693 parameter `insn_code'. All callers changed.
1694 (convert_set_attr): Likewise.
1696 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1697 size_t when comparing against one. Likewise for variable `len'.
1699 * global.c (global_alloc): Cast variable `max_regno' to size_t
1700 when comparing against one. Likewise for variable `max_allocno'.
1702 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1704 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1705 `set' with ATTRIBUTE_UNUSED.
1706 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1709 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1710 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1711 (get_condition): Cast variable `const_val' to `unsigned
1712 HOST_WIDE_INT' when comparing against one. Cast unsigned
1713 expression to HOST_WIDE_INT when comparing against one.
1714 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1715 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1716 `unsigned' when comparing against one.
1718 * protoize.c (is_id_char): Change type of parameter `ch' to
1720 (munge_compile_params): Cast argument of ctype macro to (const
1722 (process_aux_info_file): Cast variable `aux_info_size' to int when
1723 comparing against one.
1724 (forward_to_next_token_char): Cast argument of ctype macro to
1725 `const unsigned char'.
1726 (edit_formals_lists): Likewise.
1727 (find_rightmost_formals_list): Likewise.
1728 (add_local_decl): Likewise.
1729 (add_global_decls): Likewise.
1730 (edit_fn_definition): Likewise.
1731 (do_cleaning): Likewise.
1732 (scan_for_missed_items): Likewise.
1733 (edit_file): Cast variable `orig_size' to (int) when comparing
1735 (main): Cast argument of ctype macro to `const unsigned char'.
1737 * recog.c (const_int_operand): Mark parameter `mode' with
1740 * regclass.c (record_reg_classes): Change type of variable `c' to
1741 `unsigned char'. Cast `char' array index to `unsigned char'.
1743 * reload.c (push_secondary_reload): Cast argument to
1744 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1746 * reload1.c (calculate_needs): Cast `char' array index to
1748 (set_label_offsets): Change type of variable `i' to unsigned int.
1749 Cast result of XVECLEN() macro to unsigned when comparing against
1751 (mark_not_eliminable): Change type of variable `i' to unsigned.
1752 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1753 when comparing against one.
1754 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1755 comparing against one.
1756 (choose_reload_regs): Hide unused label `fail'.
1757 (reload_cse_simplify_operands): Cast `char' array index to
1759 (reload_combine_note_store): Mark parameter `set' with
1760 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1762 (reload_cse_move2add): Remove unused variable `src2'.
1764 * sched.c: Include recog.h.
1765 (sched_note_set): Remove unused parameter `b'. All callers
1767 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1768 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1769 when comparing against one.
1771 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1772 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1773 comparing against one.
1775 * unroll.c (precondition_loop_p): Remove unused parameter
1776 `loop_end'. All callers changed.
1778 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1780 * reload1.c (maybe_fix_stack_asms): New static function.
1783 * reload.h (compute_use_by_pseudos): Declare.
1785 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1786 (something_needs_reloads): Delete variable.
1787 (finish_spills): New function.
1788 (compute_use_by_pseudos): New function.
1790 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1791 Use the reload_insn_chain instead of walking the rtl directly.
1793 (reload): Allocate and free spilled_pseudos.
1794 Ensure that all calls of spill_hard_reg are followed by a call to
1796 Use the insns_need_reload list instead of something_needs_reloads
1797 to find out if reload_as_needed must be called.
1798 Clear unused_insn_chains at the end.
1800 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1802 Delete code to keep track of current basic block.
1803 Walk reload_insn_chain instead of the rtl structure. Build the
1804 insns_need_reload chain.
1805 Remember which insns need reloading/elimination by setting the
1806 appropriate fields in struct insn_chain, not by putting modes on the
1809 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1810 arg INSN. All callers changed.
1811 Delete declaration of struct needs.
1812 Don't set something_needs_reloads.
1813 Record insn needs in the CHAIN argument.
1815 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1817 (reload_as_needed): Lose FIRST arg. All callers changed.
1818 Walk the reload_insn_chain instead of the rtx structure.
1819 Delete code to keep track of current basic block.
1820 Rename one of the NEXT variables to OLD_NEXT.
1822 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1824 (choose_reload_regs): Likewise.
1826 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1829 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1830 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1831 (hard_regs_live, hard_regs_need_restore): Delete variables.
1832 (n_regs_saved): Now static.
1833 (referenced_regs, this_insn_sets): New variables.
1835 (setup_save_areas): Restructure the code a bit.
1837 (restore_referenced_regs): Delete function.
1838 (mark_referenced_regs): New function, similar to the old
1839 restore_referenced_regs, but mark registers in referenced_regs.
1841 (clear_reg_live): Delete function.
1842 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1843 Only mark registers in this_insn_sets.
1845 (save_call_clobbered_regs): Rework this function to walk the
1846 reload_insn_chain instead of using the list of instructions directly.
1847 Delete code to keep track of register lives, compute live regs on the
1848 fly from information in the chain.
1849 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1850 then walk the set it computes and call insert_restore as appropriate.
1852 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1854 Restructure the code a bit. Test hard_regs_saved instead of
1855 hard_regs_need_restore.
1856 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1857 args. All callers changed.
1858 Restructure the code a bit. Use TO_SAVE to determine which regs to
1859 save instead of more complicated test.
1860 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1862 Create a new insn_chain structure for the new insn and place it
1865 * rtl.texi: Update documentation to reflect that reload no longer
1866 puts modes on the insns.
1868 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1870 * function.c (purge_addressof_1): Force the first argument of a
1871 CALL insn to memory.
1873 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1875 * rtl.h: Delete duplicate prototypes. Add some missing
1877 * rtlanal.c: (for_each_rtx): Formatting tweak.
1879 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1881 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1882 to be compatible with TI compiler.
1884 * Makefile.in (USER_H): Add va-c4x.h to definition.
1886 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1888 * function.c (purge_addressof_1): Fix typo in inequality: do
1889 bitfield optimization for equal mode sizes.
1890 * expmed.c (store_bit_field): Don't take subregs of subregs in
1891 the movstrict case. Tidy a potential problem in the multi-word case.
1892 (extract_bit_field): Likewise.
1894 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1896 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1898 Compute max_uid_for_flow by calling get_max_uid after the scan.
1899 (find_basic_blocks_1): Don't emit NOPs here.
1901 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1903 * alias.c (base_alias_check): Accept new args for the modes of the
1904 two references. Use them to determine if an AND can overlap. Update
1906 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1907 to determine if an AND can overlap.
1909 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1911 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1912 check. Add comment to document problems with TARGET_SUN_FPA version
1914 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1916 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1918 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1920 * c-common.c (print_char_table): Add missing initializers.
1921 (scan_char_table): Likewise.
1922 (time_char_table): Likewise.
1924 * c-decl.c (c_decode_option): Mark parameter `argc' with
1926 (declare_parm_level): Mark parameter `definition_flag' with
1929 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1930 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1933 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1935 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1937 (expand_call): Cast result of MIN() to (unsigned int) when
1938 comparing against an unsigned value.
1940 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1942 (make_definition): Remove unused parameter `op'. All callers
1944 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1945 comparing against the result of pointer arithmetic.
1947 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1948 when comparing against one.
1950 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1951 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1953 (output_die): Move variable `i' into the scope in which it is
1954 used. Change its type to `unsigned'.
1955 (output_die): Cast the result of `strlen' to (int) when passing it
1956 to ASM_OUTPUT_ASCII().
1957 (output_pubnames): Likewise.
1958 (output_line_info): Likewise.
1960 * emit-rtl.c (global_rtl): Add missing initializers.
1962 * explow.c (promote_mode): Mark parameter `for_call' with
1965 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1966 `unsigned HOST_WIDE_INT' when comparing against one.
1967 (synth_mult): Change type of variable `cost' to int.
1968 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1970 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1971 when comparing against one.
1972 (get_inner_reference): Change variable `alignment' to unsigned.
1973 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1974 int) when comparing against one.
1975 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1977 * fold-const.c (div_and_round_double): Cast BASE to
1978 (HOST_WIDE_INT) when comparing against one.
1980 * gencheck.c: Include gansidecl.h.
1981 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1983 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1984 `tcode' with ATTRIBUTE_UNUSED.
1986 * real.c (edivm): Cast constant value to (unsigned long) in
1987 expression compared against an unsigned value.
1989 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1990 comparing against one.
1991 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1992 when comparing against one.
1994 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1995 (unsigned int) when comparing against one. Likewise for
1997 (smallest_mode_for_size): Likewise.
1998 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1999 (restore_storage_status): Likewise.
2001 * toplev.c (debug_args): Add missing initializer.
2002 (f_options): Spelling correction. Add missing initializers.
2003 (documented_lang_options): Likewise.
2004 (debug_end_source_file): Mark parameter `lineno' with
2007 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
2008 `decl' and `type' with ATTRIBUTE_UNUSED.
2010 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
2011 when comparing against one.
2012 (assemble_variable): Mark parameter `top_level' with
2014 (assemble_external_libcall): Mark parameter `fun' with
2016 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
2019 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
2021 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
2022 Replace use of r5 with use of r19.
2024 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
2026 * config/v850/v850.c (compute_register_save_size): Allow for the
2027 fact that helper functions save all registers, not just those used
2030 Replace constant 31 with macro LINK_POINTER_REGNUM.
2032 * config/v850/v850.md: Use 'indirect_operand' rather than
2033 'memory_operand' for bit test/set/clear patterns.
2035 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
2037 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
2038 * varasm.c (assemble_start_function et al): Don't call
2039 ASM_GLOBALIZE_LABEL for weak symbols.
2041 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
2043 * cse.c (equiv_constant): Check for NULL return from
2044 gen_lowpart_if_possible().
2046 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
2048 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
2050 * collect2.c (main): Pass -EL/-EB through to the compiler.
2052 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2054 * expr.c (push_block): Handle targets where the stack grows
2055 to higher addresses, but args grow to lower addresses and
2056 ACCUMULATE_OUTGOING_ARGS is not defined.
2058 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
2060 * config/v850/v850.c (print_operand): Extend meaning
2061 of 'c' operands to support .vtinherit.
2063 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2065 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
2066 Added ATTRIBUTE_UNUSED to unused function arguments.
2067 (rc_reg_operand): New predicate.
2068 (c4x_rptb_insert): New function.
2069 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
2070 (c4x_optimization_options): New function.
2072 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
2073 (decrement_and_branch_on_count): New pattern.
2074 (rptb_top): Modified pattern to work with BCT optimization.
2076 * config/c4x/c4x.h (RC_REG): New register class.
2077 (rc_reg_operand): Define prototype.
2078 (IS_RC_REG): New macro.
2079 (IS_RC_OR_PSEUDO_REG): New macro.
2080 (IS_RC_OR_PSEUDO_REGNO): New macro.
2081 (OPTIMIZATION_OPTIONS): Define.
2083 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2085 * collect2.c (extract_init_priority): No priority is 65535.
2087 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2089 * Makefile.in (build_tooldir): new variable, same as old
2090 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2091 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2092 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2094 * configure.in (gxx_include_dir): set default based on unlibsubdir
2095 * Makefile.in (tooldir): ditto
2096 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2097 gxx_include_dir, includedir and tooldir
2098 (protoize.o, unprotoize.o): ditto
2100 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2102 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2104 * config/arm/thumb.c (thumb_override_options): Add warning about
2105 PIC code not being supported just yet.
2107 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2109 * flow.c: Update comment.
2110 (notice_stack_pointer_modification): New static function.
2111 (record_volatile_insns): Use it.
2112 (mark_regs_live_at_end): Mark the stack pointer as alive
2113 at the end of the function if current_function_sp_is_unchanging
2115 (life_analysis_1): Set current_function_sp_is_unchanging.
2116 * function.c: Define it.
2117 (init_function_start): Initialize it.
2118 * output.h: Declare it.
2119 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2120 the stack pointer as alive at the end of the function if
2121 current_function_sp_is_unchanging is set.
2122 * i386.c (ix86_epilogue): Optimize the restoring
2123 of the stack pointer.
2125 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2127 * version.c: Bump for snapshot.
2129 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2131 * c-pragma.c (handle_pragma_token): If passed a token instead
2132 of a tree, use that as the pack value.
2134 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2136 * flow.c (find_basic_blocks_1): Fix prototype.
2138 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2140 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2141 (struct tree_decl): New fields no_check_memory_usage.
2142 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2143 (init_attributes): Register it as a new attribute.
2144 (decl_attributes): Set flags on functions given that attribute.
2145 * c-decl.c (duplicate_decls): Merge new attribute.
2146 * expr.h (current_function_check_memory_usage): Declare new var.
2147 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2148 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2149 current_function_check_memory_usage.
2150 * function.h: Add field to struct function.
2151 * function.c (current_function_check_memory_usage): Define it.
2152 (push_function_context_to, pop_function_context_from): Save and
2154 (expand_function_start): Set it, based on global flag and function
2157 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2158 check non-automatic variables, to permit detection of writes to
2159 read-only locations in embedded systems without memory management.
2160 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2161 when emitting chkr_set_right_libfunc call, even if the argument is
2162 BLKmode or variable-sized; don't abort.
2164 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2165 symbols in Pmode, not VOIDmode.
2167 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2169 * cppexp.c: When forcing unsigned comparisons, cast both sides
2172 * cpphash.h: Move static declaration of hashtab[]...
2173 * cpphash.c: ...here.
2175 * cpplib.c: Cast difference of two pointers to size_t before
2176 comparing it to size_t. Cast signed to unsigned
2177 before comparing to size_t. (FIXME: struct argdata should use
2178 unsigned buffer sizes.)
2179 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2180 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2181 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2182 size_t before comparison.
2184 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2186 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2187 (find_basic_blocks_1): Similarly.
2188 * output.h (find_basic_blocks): Fix prototype.
2189 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2190 find_basic_blocks anymore.
2192 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2194 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2195 (sbitmap_free, sbitmap_vector_free): New macros.
2196 * output.h (rtl_dump_file): Declare.
2198 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2200 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2202 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2204 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2206 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2207 (divide): Remove unused variable `tmp'.
2208 (si_to_float): Cast numeric constant to (SItype) before comparing
2211 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2213 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2214 * gcc.c (add_preprocessor_option): Correct typo when allocating
2215 memory, sizeof() argument had one too many `*'.
2216 (add_assembler_option): Likewise.
2217 (add_linker_option): Likewise.
2218 * gcov.c (output_data): Likewise.
2219 * local-alloc.c (memref_used_between_p): Likewise.
2220 (update_equiv_regs): Likewise.
2221 * loop.c (strength_reduce): Likewise.
2222 * reg-stack.c (record_asm_reg_life): Likewise.
2223 (subst_asm_stack_reg): Likewise.
2224 * reorg.c (dbr_schedule): Likewise.
2226 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2228 * flow.c (life_analysis_1): Break out some functions.
2229 (find_basic_blocks_1): Likewise. Also move some variables out and
2231 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2232 new static var nonlocal_label_list with it.
2233 (active_eh_region, nested_eh_region, label_value_list,
2234 nonlocal_label_list): New static variables.
2235 (make_edges, delete_unreachable_blocks, delete_block): New static
2236 functions, broken out of find_basic_blocks_1.
2237 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2238 noop_move_p): New static functions, broken out of life_analysis_1.
2240 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2242 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2243 Take extra care for op0 now possibly being a subreg.
2244 (extract_bit_field): Likewise.
2245 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2246 the reg to memory if there is no equal sized integral mode.
2247 * stor-layout.c (int_mode_for_mode): New function.
2248 * machmode.h: Prototype it.
2250 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2252 * global.c (build_insn_chain): Verify no real insns exist past the
2253 end of the last basic block, then exit the loop.
2255 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2257 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2259 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2261 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2263 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2265 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2267 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2269 * flow.c (find_basic_blocks): Correctly determine when a call
2270 is within an exception region.
2272 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2274 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2276 * cpplib.h: Protect from multiple inclusions.
2277 * cpplib.c: Fix minor formatting problems.
2279 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2281 * jump.c (jump_optimize): Revert accidental patch.
2283 * Makefile.in (cpplib.o): Use unlibsubdir.
2285 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2287 * loop.c (get_condition): Allow combine when either compare is
2290 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2292 * version.c: Bump for snapshot.
2294 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2296 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2297 (init_lex): Initialize ridpointers[RID_BYREF].
2298 * c-lex.h (enum rid): Add RID_BYREF.
2299 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2300 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2301 (encode_type_qualifiers): Similarly
2302 * c-gperf.h: Rebuilt.
2304 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2306 * c-common.c (type_for_mode): Only return TItype nodes when
2307 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2308 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2309 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2310 (init_decl_processing): Only create TItype nodes when
2311 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2312 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2313 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2315 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2317 * stmt.c (n_occurrences): New static function.
2318 (expand_asm_operands): Verify that all constrains match in the
2319 number of alternatives.
2320 Verify that '+' or '=' are at the beginning of an output constraint.
2321 Don't allow '&' for input operands.
2322 Verify that '%' isn't written for the last operand.
2323 * reload.c (find_reloads): Abort if an asm is found with invalid
2324 constraints; all possible problems ought to be checked for earlier.
2326 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2328 * flags.h (flag_branch_on_count_reg): Always declare
2329 * toplev.c (flag_branch_on_count_reg): Likewise.
2330 * toplev.c: Fix typos.
2332 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2335 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2337 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2339 (find_basic_blocks_1): Add a nop to the end of a basic block when
2340 a trailing call insn does not have abnormal control flow.
2341 * gcse.c (pre_transpout): New variable.
2342 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2343 (compute_pre_transpout): Calculate it.
2344 (compute_pre_ppinout): Use it to eliminate impossible placements
2345 due to abnormal control flow through calls.
2346 (compute_pre_data): Call compute_pre_transpout.
2348 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2350 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2352 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2354 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2355 and matching define_insns): Tack on a `use' of the table label, so
2356 flow analysis will recognize a tablejump.
2358 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2360 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2361 always end basic blocks for abnormal edge reasons.
2363 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2365 * config/i386/i386.h: Remove definition of
2366 HANDLE_PRAGMA_PACK_PUSH_POP.
2368 * config/i386/go32.h: Add definition of
2369 HANDLE_PRAGMA_PACK_PUSH_POP.
2371 * config/i386/win32.h: Add definition of
2372 HANDLE_PRAGMA_PACK_PUSH_POP.
2374 * config/i386/cygwin32.h: Add definition of
2375 HANDLE_PRAGMA_PACK_PUSH_POP.
2377 * c-pragma.c (insert_pack_attributes): Do not insert
2378 attributes unless #pragma pack(push,<n>) is in effect.
2380 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2382 * expr.c (emit_group_store): Handle a PARALLEL destination.
2384 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2386 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2387 the new insns before the argument regs are loaded.
2389 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2392 (c-parse.gperf): Update comments describing invocation flags.
2393 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2395 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2397 * reload1.c (reload): Call free before clobbering the memory
2398 locations or constants pointers.
2400 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2402 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2403 for efficiency by checking whether we need to modify the current
2404 stack permission at all.
2405 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2406 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2407 __enable_execute_stack libcall here too if
2408 TRANSFER_FROM_TRAMPOLINE is defined.
2409 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2412 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2414 * Makefile.in (DRIVER_DEFINES): Remove last change.
2416 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2418 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2419 insns we're going to copy.
2420 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2422 * loop.c (count_one_set): Add prototype.
2424 * caller-save.c (restore_referenced_regs): Lose mode argument.
2425 (insert_save): Lose mode argument.
2426 (insert_restore): Lose mode argument.
2427 (insert_one_insn): Lose mode argument.
2428 (save_call_clobbered_regs): Lose mode argument.
2429 (setup_save_areas): Take no argument and return void. All callers
2431 Don't verify validity of memory addresses.
2432 * reload.h (setup_save_ares): Adjust prototype.
2433 (save_call_clobbered_regs): Likewise.
2434 * reload1.c (delete_caller_save_insns): New function.
2435 (caller_save_spill_class): Delete variable.
2436 (caller_save_group_size): Delete variable.
2437 (reload): Call setup_save_areas and save_call_clobbered_regs
2438 in the main loop, before calling calculate_needs_all_insns.
2439 Don't call save_call_clobbered_regs after the loop.
2440 Call delete_caller_save_insns at the end of an iteration if
2442 Delete code to manage caller_save_spill_class.
2443 Emit the final note before setting reload_first_uid.
2444 Simplify test that determines whether reload_as_needed gets run.
2445 (calculate_needs): Delete code to manage caller_save_spill_class.
2447 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2449 * collect2.c (main): Initialize ld_file_name.
2451 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2453 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2454 check for flag_function_sections.
2456 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2458 * cse.c (insert_regs): Fix bug in Sep 24 change.
2460 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2462 * flags.h (flag_dump_unnumbered): Declare.
2463 * toplev.c (flag_dump_unnumbered): Don't declare.
2464 * print-rtl.c (flags.h): Include.
2465 (print_rtl_single): Add return value.
2466 * rtl.h (print_rtl_single): Update declaration.
2467 * flow.c (flag_dump_unnumbered): Don't declare.
2468 (print_rtl_with_bb): Use return value of print_rtl_single.
2470 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2472 * loop.c (count_one_set): New static function, broken out of
2474 (count_loop_regs_set): Call it.
2475 * global.c (mark_reg_store): Handle clobbers here by not calling
2477 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2478 is in fact a clobber.
2479 * integrate.c (process_reg_param): New function, broken out of
2480 expand_inline_function.
2481 (expand_inline_function): Call it.
2484 * i386.md (addsidi3_1): Delete unused variable temp.
2485 (addsidi3_2): Likewise.
2486 (clstrstrsi): Delete unused variable addr1.
2488 * rtl.h: Don't declare any functions also declared in recog.h.
2490 * Makefile.in (stupid.o): Update dependencies.
2491 (global.o): Likewise.
2493 * global.c: Include reload.h
2494 (reg_becomes_live): New function.
2495 (reg_dies): New function.
2496 (build_insn_chain): New function.
2497 (global_alloc): Call build_insn_chain before calling reload.
2499 * reload.h (struct needs): New structure definition.
2500 (struct insn_chain): Likewise.
2501 (reload_insn_chain): Declare variable.
2502 (new_insn_chain): Declare function.
2505 * reload1.c (reload_startobj): New variable.
2506 (reload_insn_chain): New variable.
2507 (unused_insn_chains): New variable.
2508 (new_insn_chain): New function.
2509 (init_reload): Initialize reload_startobj, not reload_firstobj.
2510 (reload): Initialize reload_firstobj.
2511 Before returning, free everything on the reload_obstack.
2513 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2514 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2515 current_chain): New variables.
2516 (reg_where_born): Delete variable.
2517 (REG_WHERE_BORN): New macro.
2518 (find_clobbered_regs): New function.
2519 (stupid_life_analysis): Don't allocate/free reg_where_born.
2520 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2521 reg_where_dead_chain.
2522 Use REG_WHERE_BORN instead of reg_where_born.
2523 While processing the insns, build the reload_insn_chain with
2524 information about register lifetimes.
2525 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2526 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2528 Compute and information about birth and death of pseudo registers in
2529 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2530 Delete code to set elements of reg_where_born.
2532 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2534 * tree.def (GOTO_EXPR): Modified documentation.
2535 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2538 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2540 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2541 loop_final_value, loop_comparison_code): No longer static.
2542 (unroll_loop): Delete loop_start_value update.
2543 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2544 loop_final_value, loop_comparison_code): Extern.
2545 (loop_start_value): Delete extern.
2546 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2547 loop_comparison_value, loop_comparison_code): Delete.
2548 (loop_optimize): Remove initialization for deleted variables.
2549 (strength_reduce): Delete analyze_loop_iterations call. Only call
2550 insert_bct if flag_branch_count_on_reg set.
2551 (analyze_loop_iterations): Delete.
2552 (insert_bct): Remove iteration count calculation. Move checks for
2553 viable BCT optimization to here. Obtain iteration count from
2554 loop_iterations and correct for unrolling. Check for enough
2555 iteration to be beneficial. Comment out runtime iteration count
2557 (insert_bct): Print iteration count in dump file. Remove
2558 loop_var_mode and use word_mode directly.
2560 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2561 * rs6000.c (rs6000_override_options): Use it.
2562 (optimization_options): Enable use of flag_branch_on_count_reg.
2563 * rs6000.md (define_function_unit): Describe 604e.
2565 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2567 * loop.c (move_movables): Corrected threshold calculation for
2568 moved_once registers.
2570 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2572 * loop.c (combine_givs_p): Fix test for identical givs.
2574 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2576 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2577 call abort if the function is already defined.
2579 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2581 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2582 truncation is not a no-op.
2584 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2586 * version.c: Bump for snapshot.
2588 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2590 * version.c: Bump for snapshot.
2592 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2594 * expmed.c (expand_divmod): Don't widen for computing remainder
2595 if we seem to have a divmod pattern for needed mode.
2597 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2599 * cpplib.c (macroexpand): Correct off-by-one error in handling
2602 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2604 * combine.c (expand_field_assignment): Don't do bitwise operations
2605 on MODE_FLOAT; pun to MODE_INT if possible.
2607 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2608 scott snyder <snyder@d0sgif.fnal.gov>
2610 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2611 linker. Recognize mangled names in quotes.
2613 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2615 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2616 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2617 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2618 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2620 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2622 * function.c (purge_addressof_1): If trying to take a sub-word
2623 integral piece of a floating point mode, put it on the stack.
2625 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2627 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2629 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2631 * PROJECTS: Remove template friends.
2633 * collect2.c (sort_ids): Remove unused variable.
2635 * tm.texi (MATH_LIBRARY): Document.
2636 (NEED_MATH_LIBRARY): Remove.
2638 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2639 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2641 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2643 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2644 last_end to 0x7fffffff.
2646 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2648 * function.c (purge_addressof_1): Do not perform endianness
2649 corrections on bitpos, who we call will do it for us.
2651 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2653 * h8300.c (WORD_REG_USED): Fix typo.
2654 (initial_offset): Use WORD_REG_USED.
2656 * h8300.c (handle_pragma): Fix typo.
2658 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2660 * caller-save.c (insert_save_restore): Break this function up
2661 into new functions insert_restore, insert_save and insert_one_insn.
2662 All callers changed.
2663 (insert_restore): New function, mostly broken out of
2664 insert_save_restore.
2665 (insert_save): Likewise.
2666 (insert_one_insn): Likewise.
2667 (restore_referenced_regs): New argument BLOCK. All callers changed.
2668 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2669 in this function, do it in insert_one_insn instead.
2671 * reload1.c (reload): Break out some more pieces into separate
2673 (dump_needs): New function, broken out of reload.
2674 (set_initial_elim_offsets): Likewise.
2675 (init_elim_table): Likewise.
2676 (update_eliminables): Likewise.
2678 * global.c (global_alloc): Delete code to manage the scratch_list.
2679 * local-alloc.c (qty_scratch_rtx): Delete.
2680 (scratch_block): Delete.
2681 (scratch_list): Delete.
2682 (scratch_list_length): Delete.
2683 (scratch_index): Delete.
2684 (alloc_qty_for_scratch): Delete.
2685 (local-alloc): Update initialization of max_qty.
2686 Delete code to manage the scratch list.
2687 Delete code to allocate/initialize qty_scratch_rtx.
2688 (block_alloc): Don't allocate quantities for scratches.
2689 Delete code to manage the scratch list.
2690 * regs.h (scratch_list): Delete declaration.
2691 (scratch_block): Delete declaration.
2692 (scratch_list_length): Delete declaration.
2693 * reload1.c (reload): Delete code to manage the scratch list.
2694 (spill_hard_reg): Likewise.
2695 (mark_scratch_live): Delete.
2697 * recog.c (alter_subreg): Delete declaration.
2699 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2701 * Makefile.in (cccp.o): Fix typo in last patch.
2703 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2705 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2706 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2708 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2710 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2711 NULL_RTX as an argument.
2713 * Makefile.in (unlibsubdir): Define.
2714 (DRIVER_DEFINES): Use unlibsubdir.
2715 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2716 (stmp-fixinc): Similarly.
2718 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2720 * regmove.c (regmove_optimize): Add variable old_max_uid.
2721 At the end of the function, update basic_block_end.
2723 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2725 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2726 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2729 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2731 * config/arm/arm.c: Improve interworking support.
2733 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2735 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2736 copied from reload_out[r] .
2738 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2740 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2741 with more than three size ranges.
2743 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2745 * rtl.c (mode_name): Add a null string at the end of the array.
2746 (mode_wider_mode): Change type to unsigned char.
2747 (mode_mask_array): New variable.
2748 (init_rtl): Update for mode_wider_mode type change.
2750 * rtl.h (mode_wider_mode): Change type to unsigned char.
2751 (mode_mask_array): Declare.
2752 (GET_MODE_MASK): Use mode_mask_array.
2754 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2756 * calls.c (expand_call) : Encapsulate code into
2757 copy_blkmode_from_reg.
2758 * expr.c (copy_blkmode_from_reg): New function.
2759 * expr.h (copy_blkmode_from_reg): New function.
2760 * integrate.c (function_cannot_inline_p): We can inline
2762 (expand_inline_function): Use copy_blkmode_from_reg
2763 if needed. Avoid creating BLKmode REGs.
2764 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2767 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2769 * config/v850/v850.c: Add function prototypes.
2770 Add support for v850 special data areas.
2772 * config/v850/v850.h: Add support for v850 special data areas.
2774 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2775 HANDLE_PRAGMA_PACK_PUSH_POP.
2776 (push_alignment): New function: Cache an alignment requested
2777 by a #pragma pack(push,<n>).
2778 (pop_alignment): New function: Pop an alignment from the
2780 (insert_pack_attributes): New function: Generate __packed__
2781 and __aligned__ attributes for new decls whilst a #pragma pack
2783 (add_weak): New function: Cache a #pragma weak directive.
2784 (handle_pragma_token): Document calling conventions. Add
2785 support for #pragma pack(push,<n>) and #pragma pack (pop).
2787 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2788 are defined enable HANDLE_PRAGMA_PACK.
2789 Move 'struct weak_syms' here (from varasm.c).
2790 Add pragma states for push and pop pragmas.
2792 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2795 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2796 HANDLE_GENERIC_PRAGMAS.
2798 * varasm.c: Move definition of 'struct weak_syms' into
2800 (handle_pragma_weak): Deleted.
2802 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2804 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2806 * c-decl.c (start_function): Add invocation of
2807 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2809 * tm.texi: Remove description of non-existant macro
2810 SET_DEFAULT_SECTION_NAME.
2812 (HANDLE_SYSV_PRAGMA): Document.
2813 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2815 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2817 * config.sub: Recognize i[34567]86-pc-udk as new target.
2818 * configure.in: Likewise.
2819 * config/i386/t-udk: New file.
2820 * config/i386/udk.h: New file.
2822 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2824 * reorg.c (check_annul_list_true_false): Remove unused variables.
2825 (steal_delay_list_from_target): Add missing "used_annul" variable.
2826 (try_merge_delay_insns): Close out half formed comment.
2828 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2830 * cpplib.c (macroexpand): If arg->raw_before or
2831 arg->raw_after, remove any no-reexpansion escape at the
2832 beginning of the pasted token. Correct handling of whitespace
2833 markers and no-reexpand markers at the end if arg->raw_after.
2835 * toplev.c (documented_lang_options): Recognize -include,
2836 -imacros, -iwithprefix, -iwithprefixbefore.
2837 * cpplib.c (cpp_start_read): Process -imacros and -include
2838 switches at the same time and in command-line order, after
2839 initializing the dependency-output code. Emit properly nested
2840 #line directives for them. Emit a #line for the main file
2841 before processing these switches, and don't do it again
2844 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2846 * function.c (purge_addressof_1): Use bitfield manipulation
2847 routines to handle mem mode < reg mode.
2849 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2851 * reorg.c (try_merge_delay_insns): Account for resources referenced
2852 in each instruction in INSN's delay list before trying to eliminate
2853 useless instructions. Similarly when looking at a trial insn's delay
2856 * reorg.c (check_annul_list_true_false): New function.
2857 (steal_delay_list_from_{target,fallthrough}): Call it and also
2858 refine tests for when we may annul if already filled a slot.
2859 (fill_slots_from_thread): Likewise.
2860 (delete_from_delay_slot): Return newly-created thread.
2861 (try_merge_delay_isns): Use its new return value.
2863 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2865 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2866 used to compute a giv or as some other non-counting use.
2868 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2870 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2871 * local-alloc.c (find_free_reg): Use it.
2872 * global.c (find_reg): Likewise.
2873 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2875 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2876 * caller-save.c (init_caller_save): Use it.
2877 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2879 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2881 * configure.in: Add --enable-cpplib option which uses cpplib
2882 for cpp, but doesn't link cpplib into cc1. Make help text
2883 capitalization consistent.
2884 * configure: Rebuilt.
2886 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2888 * function.c (gen_mem_addressof): If the address REG is
2889 REG_USERVAR_P make the new REG be so also.
2890 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2891 in an attempt to clarify slightly.
2893 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2895 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2896 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2898 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2900 * toplev.c: Fix last patch.
2902 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2904 * loop.c (get_condition): Fix typo in May 9 change.
2906 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2908 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2910 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2912 * toplev.c (documented_lang_options): Spelling corrections.
2914 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2916 * configure.in: new flags --with-ld and --with-as, equivalent
2917 to setting LD and AS environment variables. Test whether
2918 specified arguments are GNU commands, and report them with
2919 checking messages. Use the specified AS for configure
2922 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2924 * gcc.c (find_a_file): when looking for `as' and `ld', return
2925 the DEFAULT program if it exists
2926 * collect2.c (main): use DEFAULT_LINKER if it exists
2928 * gcc.c (find_a_file): the test for existence of a full
2929 pathname was reversed
2931 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2933 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2934 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2936 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2938 * tree.h (TYPE_BINFO): Document.
2940 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2942 * i386-coff.h (dbxcoff.h): Added.
2944 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2946 * toplev.c: fix bad patch around flag_data_sections.
2948 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2950 * reload1.c (reload): Use reload_address_index_reg_class and
2951 reload_address_base_reg_class when setting
2952 caller_save_spill_class. (Patch generated by Jim Wilson:
2955 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2957 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2958 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2959 * expr.c (store_field): Add alias_set parameter. Set the
2960 MEM_ALIAS_SET accordingly, if the target is a MEM.
2961 (expand_assignment): Use it.
2962 (store_constructor_field): Pass 0.
2963 (expand_expr): Likewise.
2965 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2967 * flags.h: Add flag_data_sections.
2968 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2969 (compile_file): Error if flag_data_sections not supported.
2970 * varasm.c (assemble_variable): Handle flag_data_sections.
2971 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2972 * config/mips/elf.h: Likewise.
2973 * config/mips/elf64.h: Likewise.
2974 * invoke.texi: Describe -fdata-sections.
2976 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2978 * invoke.texi (-ffloat-store): Clarify that this option
2979 does not affect intermediate results -- only variables.
2981 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2983 * cpp.texi: Update for Fortran usage from Craig.
2985 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2987 * rs6000.c (function_arg_boundary): Revert accidental change on
2990 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2992 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2993 (output_mi_thunk): Declare.
2995 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2996 (output_function_profiler): Use r12 for temp, instead of r11 so
2997 that we preserve the static chain register.
2999 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
3001 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
3003 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3005 * sh.c (gen_shl_sext): Fix case 5.
3007 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3009 * reload1.c (reload_combine): Re-add line that got accidentally lost.
3011 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3013 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
3014 accessing variables until they are initialized via va_arg().
3016 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3018 * reload1.c (reload_combine): Initialize set before using.
3020 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
3022 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
3025 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
3027 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
3028 operand3 with mask before using it. Patch provided by Jim Wilson.
3030 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3032 * config/sparc/sparc.c (function_value): Perform the equivalent of
3033 PROMOTE_MODE for ARCH64.
3034 (eligible_for_epilogue_delay): Allow DImode operations in delay
3035 slot of a return for ARCH64.
3037 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3039 * sh.md (sqrtsf2): Fix mode of sqrt.
3041 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3043 * reload1.c (choose_reload_regs): Also try inheritance when
3044 reload_in is a stack slot of a pseudo, even if we already got a
3047 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3049 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
3050 (reload_cse_regs): New function body: call reload_cse_regs_1,
3051 reload_combine, reload_cse_move2add.
3052 When doing expensive_optimizations, call reload_cse_regs_1 a
3053 second time after reload_cse_move2add.
3054 (reload_combine, reload_combine_note_store): New functions.
3055 (reload_combine_note_use): New function.
3056 (reload_cse_move2add, move2add_note_store): New functions.
3058 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3060 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
3061 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
3063 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
3064 more than 3 such reloads.
3066 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
3067 RELOAD_FOR_X_ADDR_ADDR reload.
3069 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3071 * expr.c (store_constructor): When initializing a field that is smaller
3072 than a word, at the start of a word, try to widen it to a full word.
3074 * cse.c (cse_insn): When we are about to change a register,
3075 remove any invalid references to it.
3077 (remove_invalid_subreg_refs): New function.
3078 (mention_regs): Special treatment for SUBREGs.
3079 (insert_regs): Don't strip SUBREG for call to mention_regs.
3080 Check if reg_tick needs to be bumped up before that call.
3081 (lookup_as_function): Try to match known word_mode constants when
3082 looking for a norrower constant.
3083 (canon_hash): Special treatment for SUBREGs.
3085 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3087 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3088 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3089 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3090 and offsets in actual stack trampoline code so they match the
3091 commentary and actually work.
3093 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3095 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3097 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3098 tmake_file. Set extra_parts to needed crt objects.
3099 * configure: Rebuilt.
3100 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3101 (TARGET_DEFAULT): Set if default is v9 or ultra.
3102 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3103 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3104 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3105 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3106 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3107 (TARGET_VERSION): Define.
3108 (MULTILIB_DEFAULT): Define.
3109 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3110 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3111 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3113 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3114 * config/sparc/sparc.c (sparc_override_options): If arch and
3115 pointer size disagree, emit diagnostic and fix it up. If
3116 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3117 V8PLUS in 64-bit mode.
3118 * config/sparc/t-linux64: New file.
3119 * config/sparc/t-sol2-64: New file.
3120 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3121 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3122 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3123 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3124 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3125 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3127 (STARTFILE_SPEC): Set approriately based upon those.
3128 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3129 disposition of DEFAULT_ARCH32_P.
3130 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3131 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3132 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3133 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3134 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3136 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3138 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3140 * rtl.h (init_virtual_regs): New function.
3141 * emit-rtl.c (init_virtual_regs): Define.
3142 (insn_emit): Use it.
3143 * integrate.c (save_for_inline_copying): Likewise.
3145 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3147 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3148 (enum reg_class): Add NONARG_LO_REGS support.
3149 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3150 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3151 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3152 completes. Re-enable HImode REG+OFFSET addresses.
3153 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3155 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3157 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3159 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3160 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3161 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3163 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3165 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3166 jumps as a single entity, taking into account the size of the
3169 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3171 * tree.def (SWITCH_EXPR): New tree node definition.
3173 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3175 * version.c: Bump for snapshot.
3177 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3179 * version.c: Bump for snapshot.
3181 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3183 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3186 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3188 * Revert this patch.
3189 * reload.c (find_reloads): Do not replace a pseudo with
3190 (MEM (reg_equiv_addr)) in the initializing insn for the
3193 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3195 * final.c (final_scan_insn): Disable tracking CC across branches.
3197 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3199 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3200 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3201 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3202 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3203 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3205 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3207 * toplev.c (rest_of_compilation): Skip compiling anything with
3208 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3210 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3212 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3213 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3214 use in_libcall_block.
3215 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3216 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3219 Mon Sep 21 14:02:23 1998
3221 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3222 typo in no-fancy-math-387 description.
3224 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3226 * version.c: Bump for snapshot.
3228 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3230 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3232 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3234 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3235 documented in install.texi.
3236 (TARGET_OPTIONS) Likewise.
3238 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3240 * version.c: Bump for snapshot.
3242 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3244 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3245 * cccp.c (main): Likewise.
3247 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3248 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3251 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3253 * Makefile.in (LIBS): Link in libiberty.a.
3254 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3256 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3258 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3259 it to update bb boundaries. Update caller.
3260 * function.c (reposition_prologue_and_epilogue_notes): Update
3261 bb boundaries wrt the moved note.
3263 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3265 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3267 * configure: Regenerate.
3269 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3271 * alpha.c (alpha_sr_alias_set): New variable.
3272 (override_options): Set it.
3273 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3274 (mode_mask_operand): Fix signed-unsigned comparision warning.
3275 (alpha_expand_block_move): Likewise.
3276 (print_operand): Likewise.
3277 (get_aligned_mem): Use change_address.
3278 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3279 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3280 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3281 (alpha_align_insns): Remade from old alphaev5_align_insns
3282 to handle multiple processors.
3283 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3284 * output.h (label_to_alignment): Prototype.
3286 * tree.c (new_alias_set): New function.
3287 * tree.h (new_alias_set): Declare it.
3288 * c-common.c (c_get_alias_set): Use it.
3290 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3292 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3293 to an ABS expr, convert an unsigned input to signed.
3295 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3297 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3299 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3301 * configure.in: Add support for c4x targets.
3302 * configure: Rebuilt.
3304 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3306 * combine.c (distribute_notes): If an insn is a cc0 user, only
3307 delete it if we can also delete the cc0 setter.
3309 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3311 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3312 (invert_truthvalue): Enable truthvalue inversion for
3313 floating-point operands if -ffast-math.
3315 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3317 * configure.in: Disable collect2 for nextstep. Instead use
3319 * configure: Rebuilt.
3320 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3321 (ENDFILE_SPEC): Define.
3322 (OBJECT_FORMAT_MACHO): Define.
3323 (EH_FRAME_SECTION_ASM_OP): Define.
3324 * crtstuff.c: Handle MACHO.
3326 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3328 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3330 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3332 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3333 (_fpadd_parts): Get sign right for 0.
3335 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3337 * ginclude/varargs.h: Add support for C4x target.
3338 * ginclude/stdargs.h: Likewise.
3340 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3342 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3343 (alpha_emit_set_long_const): Rewrite to be callable from reload
3345 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3346 * alpha.md (movdi): Likewise.
3348 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3350 * arm.c (add_constant): New parameter address_only, change caller.
3351 Set it non-zero if taking the address of an item in the pool.
3352 (arm_reorg): Handle cases where we need the address of an item in
3355 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3357 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3358 memory addresses that are not in standard canonical form.
3360 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3362 * README.C4X: New file with information about the c4x ports.
3363 * ginclude/va-c4x.h: New file for c4x varargs support.
3364 * config/c4x: New directory with c4x port files.
3366 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3368 * reload.c (find_reloads): Do not replace a pseudo with
3369 (MEM (reg_equiv_addr)) in the initializing insn for the
3372 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3374 * toplev.c (rest_of_compilation): Set bct_p on second call to
3376 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3378 (strength_reduce): Only call analyze_loop_iterations and
3379 insert_bct if bct_p set.
3380 (check_dbra_loop): Fix typo.
3381 (insert_bct): Use word_mode instead of SImode.
3382 (instrument_loop_bct): Likewise. Do not delete iteration count
3383 condition code generation insn. Initialize iteration count before
3385 * rtl.h (loop_optimize): Update prototype.
3387 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3388 not doubleword aligned.
3390 * rs6000.c (optimization_options): New function.
3391 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3392 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3393 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3394 first; cr1 can be used for FP record condition insns.
3396 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3398 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3401 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3404 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3406 (block_move_call): New function: Call a library routine to copy a
3408 (m32r_expand_block_move): New function: Expand a "movstrsi"
3409 pattern into a sequence of insns.
3410 (m32r_output_block_move): New function: Expand a
3411 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3412 (m32r_block_immediate_operand): New function: Return true if the
3413 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3415 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3417 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3419 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3421 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3423 * regmove.c (copy_src_to_dest): Check that modes match.
3425 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3427 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3429 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3431 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3432 narrower than FLOAT_REGS.
3434 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3436 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3438 * Makefile.in (old_gxx_include_dir): removed
3440 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3442 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3445 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3446 (sh_handle_pragma): Change function arguments to match new
3447 specification for HANDLE_PRAGMA.
3449 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3451 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3453 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3454 When generating output, initialize missing struct member to zero.
3456 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3458 * regmove.c (copy_src_to_dest): Don't copy if that requires
3459 (a) new register(s).
3461 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3463 * global.c (reg_allocno): Now static.
3464 * reload1.c (reg_allocno): Delete declaration.
3465 (order_regs_for_reload): Take no arguments. Don't treat regs
3466 allocated by global differently than those allocated by local-alloc.
3468 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3470 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3471 condition, fix format strings.
3472 (output_function_epilogue): Likewise.
3474 * m68k/m68k.c: Don't include <stdlib.h> directly.
3476 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3478 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3479 mem_first_set, mem_last_set; because 0 can be a CUID.
3480 (oprs_unchanged_p): Use new definition.
3481 (record_last_reg_set_info): Likewise.
3482 (record_last_mem_set_info): Likewise.
3483 (compute_hash_table): Likewise.
3485 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3487 * rs6000.c (output_epilogue): Handle Chill.
3489 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3490 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3492 * combine.c (make_extraction): If no mode is specified for
3493 an operand of insv, extv, or extzv, default it to word_mode.
3494 (simplify_comparison): Similarly.
3495 * expmed.c (store_bit_field): Similarly.
3496 (extract_bit_field): Similarly.
3497 * function.c (fixup_var_regs_1): Similarly.
3498 * recog.c (validate_replace_rtx_1): Similarly.
3499 * mips.md (extv, extzv, insv expanders): Default modes for most
3500 operands. Handle TARGET_64BIT.
3501 (movdi_uld, movdi_usd): New patterns.
3503 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3504 equivalent memory location unless we have been provided a scratch
3505 register. Similarly do not call find_replacement unless a
3506 scratch register has been provided.
3508 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3510 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3513 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3515 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3516 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3517 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3518 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3519 * c-decl.c (init_decl_processing): Update accordingly.
3520 * expr.c (expand_builtin): Likewise.
3522 * rtl.h (global_rtl): Add cfa entry.
3523 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3524 (LAST_VIRTUAL_REGISTER): Update.
3525 * emit-rtl.c (global_rtl): Add cfa entry.
3526 (init_emit): Initialize it.
3527 * function.c (cfa_offset): New.
3528 (instantiate_virtual_regs): Initialize it.
3529 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3530 (expand_function_end): Call expand_eh_return.
3531 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3533 * except.c (current_function_eh_stub_label): Kill.
3534 (current_function_eh_old_stub_label): Likwise; update all references.
3535 (expand_builtin_set_return_addr_reg): Kill.
3536 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3537 (expand_builtin_set_eh_regs): Kill.
3538 (eh_regs): Produce a third reg for the actual handler address.
3539 (eh_return_context, eh_return_stack_adjust): New.
3540 (eh_return_handler, eh_return_stub_label): New.
3541 (init_eh_for_function): Initialize them.
3542 (expand_builtin_eh_return, expand_eh_return): New.
3543 * except.h: Update prototypes.
3544 * flow.c (find_basic_blocks_1): Update references to the stub label.
3545 * function.h (struct function): Kill stub label elements.
3547 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3548 register number is one that would be in the previous window.
3549 Provide a dummy definition for non-windowed targets.
3550 (get_reg_addr): New function.
3551 (get_reg, put_reg, copy_reg): Use it.
3552 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3553 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3555 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3556 (alpha_init_expanders): Initialize it.
3557 (alpha_expand_epilogue): Use it.
3558 * alpha.h: Declare it.
3559 * alpha.md (eh_epilogue): New.
3561 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3562 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3564 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3566 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3569 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3571 * except.h (struct eh_entry): Add false_label field.
3572 (end_catch_handler): Add prototype.
3573 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3574 (start_catch_handler): When using old style exceptions, issue
3575 runtime typematch code before continuing with the handler.
3576 (end_catch_handler): New function, generates label after handler
3577 if needed by older style exceptions.
3578 (expand_start_all_catch): No need to check for new style exceptions.
3579 (output_exception_table_entry): Only output the first handler label
3580 for old style exceptions.
3581 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3582 mechanism into one function, if a runtime matcher is provided.
3584 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3586 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3588 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3590 * integrate.c (copy_decl_list): Fix typo.
3592 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3594 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3597 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3599 * version.c: Bump for snapshot.
3601 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3603 * version.c: Bump for snapshot.
3605 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3607 * version.c: Bump for snapshot.
3609 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3611 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3613 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3615 * configure.in: remove usage of `!' to negate the result of a
3616 command; some common shells do not support it
3618 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3620 * configure.in: in sparc9-sol2 config, use 'if test' not
3622 * configure: Rebuilt.
3624 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3626 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3627 (CPP_CPU_DEFAULT_SPEC): Likewise.
3628 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3629 for arch64 libfuncs.
3631 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3634 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3636 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3638 * collect2.c: Don't declare `sys_siglist' here.
3639 (my_strsignal): Prototype and define new function. Use it in
3640 place of `sys_siglist' hacks.
3642 * mips_tfile.c: Likewise.
3644 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3645 (GCC_NEED_DECLARATIONS): Likewise.
3647 * system.h (strsignal): Prototype it, if necessary.
3648 (sys_siglist): Declare it, if necessary.
3650 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3652 * loop.c (move_movables): While removing insn sequences, preserve
3653 the next pointer of the most recently deleted insn when we skip
3656 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3658 * objc/config-lang.in: Do not output the name of the selected
3659 thread file when building the front-end. The Makefile for the
3660 runtime library will do this.
3662 * objc/Make-lang.in: Do not build the runtime library or install
3663 the Objective C header files. The Makefile for the runtime
3664 library will do this.
3666 * objc/Makefile.in (all.indirect): Only build the front-end.
3667 (compiler): Rename to `frontend'.
3668 (obj-runtime): Remove target.
3669 (copy-headers): Likewise.
3670 (clean): No need to remove `libobjc.a' any longer.
3672 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3674 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3675 supported with -mcpu=xxx.
3677 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3679 * flow.c (mark_set_1): Recognize multi-register structure return
3680 values in CALL insns.
3681 (mark_used_regs): Likewise.
3682 (count_reg_sets_1): Likewise.
3683 (count_reg_references): Likewise.
3684 * rtlanal.c (note_stores): Likewise.
3685 (reg_overlap_mentioned_p): Likewise.
3686 * haifa-sched.c (check_live_1): Likewise.
3687 (update_live_1): Likewise.
3688 (sched_analyze_1): Likewise.
3689 (sched_note_set): Likewise.
3690 (birthing_insn_p): Likewise.
3691 (attach_deaths): Likewise.
3693 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3696 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3698 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3700 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3702 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3704 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3706 * configure.in: Add check for GAS subsection -1 support.
3707 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3708 * configure config.in: Rebuilt.
3709 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3710 SImode is subsection -1 works, else use DImode.
3711 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3712 subsection -1 works.
3713 * config/sparc/sparc.c (sparc_output_addr_vec,
3714 sparc_output_addr_diff_vec): Use them if defined.
3716 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3718 * tree.h (DECL_ORIGIN): New macro.
3719 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3720 (copy_decl_list): Use it.
3721 (integrate_parm_decls): Likewise.
3722 (integrate_decl_tree): Likewise.
3723 * dwarf2out.c (decl_ultimate_origin): Simplify.
3724 * dwarfout.c (decl_ultimate_origin): Likewise.
3725 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3726 (pushdecl): Likewise.
3728 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3730 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3732 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3734 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3736 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3738 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3739 empty or has a single entry.
3741 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3742 before calling reg_to_stack.
3744 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3746 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3747 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3749 * c-tree.h (warn_long_long): Declare it.
3751 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3753 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3754 initialized float-int union if the value is a NaN.
3756 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3758 * c-lex.c (real_yylex): Don't warn about long long constants if
3759 we're allowing long long
3761 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3763 * except.h (current_function_eh_stub_label): Declare.
3764 (current_function_eh_old_stub_label): Declare.
3765 * function.h (struct function): New members eh_stub_label and
3767 * except.c (current_function_eh_stub_label): New variable.
3768 (current_function_eh_old_stub_label): New variable.
3769 (init_eh_for_function): Clear them.
3770 (save_eh_status): Save them.
3771 (restore_eh_status): Restore them.
3772 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3773 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3774 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3775 make an edge from the block that contains it to the block starting
3776 with the label if this label is one of the eh stub labels.
3777 If eh stub labels exist, show they are reachable from the last block
3780 * reload1.c (reload): Break out several subroutines and make some
3782 (calculate_needs_all_insns): New function, broken out of reload.
3783 (calculate_needs): Likewise.
3784 (find_reload_regs): Likewise.
3785 (find_group): Likewise.
3786 (find_tworeg_group): Likewise.
3787 (something_needs_reloads): New global variable, formerly in reload.
3788 (something_needs_elimination): Likewise.
3789 (caller_save_spill_class): Likewise.
3790 (caller_save_group_size): Likewise.
3791 (max_needs): Likewise.
3792 (group_size): Likewise.
3793 (max_groups): Likewise.
3794 (max_nongroups): Likewise.
3795 (group_mode): Likewise.
3796 (max_needs_insn): Likewise.
3797 (max_groups_insn): Likewise.
3798 (max_nongroups_insn): Likewise.
3799 (failure): Likewise.
3801 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3803 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3805 * loop.c (load_mems): Copy rtx for output mem.
3807 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3809 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3810 mips1 or mips2 either.
3812 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3814 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3816 (pa_adjust_insn_length): Update to work with new marking scheme
3817 for jumps inside switch tables.
3818 * pa.md (switch_jump): Remove pattern.
3819 (jump): Handle jumps inside jump tables.
3821 * Makefile.in (profile.o): Depend on insn-config.h
3823 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3825 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3827 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3829 Add preliminary native sparcv9 Solaris support.
3830 * configure.in: Recognize sparv9-*-solaris2*
3831 * configure: rebuilt
3832 * config.sub: Recognize sparcv9 just like sparc64.
3833 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3834 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3835 32-bit and 64-bit Solaris systems.
3836 * config/sparc/t-sol2: Assemble those with cpp.
3837 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3838 (*TF*_LIBCALL): If ARCH64 use V9 names.
3839 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3841 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3843 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3844 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3846 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3848 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3849 to Pmode if CASE_VECTOR_MODE is something else.
3851 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3853 * prefix.c (update_path): Correctly handle cases where PATH is
3854 a substring of the builtin prefix, but specifies a different
3857 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3859 * expr.c: Corrected comment about what MOVE_RATIO does.
3860 * config/alpha/alpha.h: Ditto.
3861 * config/1750a/1750a.h: Ditto.
3862 * config/clipper/clipper.h: Ditto.
3863 * config/i386/i386.h: Ditto.
3865 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3867 * configure.in (m68k-next-nextstep3*): Use collect2.
3868 Similarly for x86 NeXT configurations.
3869 * configure: Rebuilt.
3871 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3873 * configure.in: Don't assume srcdir is .../gcc
3874 * configure: Rebuilt.
3876 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3878 * global.c: Update comments.
3879 (global_alloc): Assign allocation-numbers
3880 even for registers allocated by local_alloc in case
3881 they are later spilled and retry_global_alloc is called.
3882 (mark_reg_store, mark_reg_clobber,
3883 mark_reg_conflicts, mark_reg_death): Always record a
3884 conflict with a pseudo register even if it has been
3885 assigned to a hard register.
3886 (dump_conflicts): Don't list pseudo registers already assigned to
3887 a hard register as needing to be allocated, but do list their
3889 * local-alloc.c: Update comment.
3891 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3893 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3894 * configure: Rebuilt.
3896 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3898 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3900 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3901 for all targets that set -msoft-float.
3903 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3905 * toplev.c (print_switch_values): Make static to match prototype.
3907 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3909 * configure.in: If we are unable to find the "gnatbind" program,
3910 then do not configure the ada subdir.
3911 * configure: Rebuilt.
3913 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3915 * version.c: Bump for snapshot.
3917 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3919 * version.c: Bump for snapshot.
3921 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3923 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3924 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3926 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3928 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3930 * genextract.c: Have insn-extract.c include toplev.h.
3932 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3934 * toplev.c: Include expr.h.
3935 (really_sorry, fancy_abort): Remove prototypes.
3936 (set_target_switch): Add argument in prototype.
3937 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3938 (v_really_sorry): Likewise.
3939 (print_version, print_single_switch, print_switch_values): Make
3940 static and add prototype arguments.
3941 (decl_printable_name): Add prototype arguments.
3942 (lang_expand_expr_t): New typedef.
3943 (lang_expand_expr): Declare as a lang_expand_expr_t.
3944 (incomplete_decl_finalize_hook): Add prototype argument.
3945 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3946 (botch): Likewise for variable `s'.
3947 (rest_of_type_compilation): Mark variables `type' and `toplev'
3948 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3949 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3950 (display_help): Make variable `i' an `unsigned long'.
3951 (main): Remove unused parameter `envp'.
3952 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3953 Cast -1 when comparing it with a `size_t'.
3955 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3956 prototype with ATTRIBUTE_NORETURN.
3957 (fatal_insn_not_found, fatal_insn, really_sorry,
3958 push_float_handler, pop_float_handler): Add prototypes.
3959 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3960 (do_abort, botch): Add prototypes.
3962 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3964 * final.c (final): If a label is reached only from a single jump,
3965 call NOTICE_UPDATE_CC on the jump and its predecessor before
3966 emitting the insn after the label.
3968 * i386.h: Add AMD K6 support.
3969 Change TARGET_* macros to use table lookup.
3970 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3971 (ADJUST_COST): Change definition to call function in i386.c.
3972 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3973 * i386.c: Add AMD K6 support.
3974 Add constants for feature tests used by TARGET_* macros.
3975 (split_di): If before reload, call gen_lowpart and gen_highpart.
3976 (x86_adjust_cost): New function.
3977 (put_jump_code): New function.
3978 (print_operand): New codes 'D' and 'd'.
3979 * i386.md: New insn types. New insn attribute "memory".
3980 Redefine scheduling parameters to use new types and add AMD K6
3981 support. Explicitly set type of most insns.
3982 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3983 Pro and K6 prefer movl $1,reg to incl reg.
3984 (adddi3, subdi3): Set cc_status.
3985 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3986 to int; x86 can't have more than 2^31 DImode shifts per file.
3987 (setcc): Combine all setcc patterns. Allow writing memory.
3988 Combine all jump patterns using match_operator.
3989 (*bzero): Name pattern. Emit mutliple stos instructions when that
3990 is faster than rep stos.
3991 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3994 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3996 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3999 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
4001 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
4002 not whatever we're generating now.
4004 * alpha.c (set_frame_related_p, FRP): New.
4005 (alpha_expand_prologue): Mark frame related insns.
4006 (alpha_expand_epilogue): Likewise, but with a null FRP.
4007 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
4008 * alpha.md (exception_receiver): New.
4009 * alpha/crtbegin.asm (.eh_frame): New beginning.
4010 (__do_frame_setup, __do_frame_takedown): New.
4011 * alpha/crtend.asm (.eh_frame): New ending.
4012 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
4013 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
4014 (ASM_FILE_START): Don't emit .file for dwarf2.
4016 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
4017 * rtl.c (reg_note_name): Likewise.
4018 * rtl.texi (REG_NOTES): Likewise.
4019 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
4022 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
4024 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
4025 * i386.md (movsf, movdf, movxf): Validate memory address returned
4026 from force_const_mem. Kill useless REG_EQUAL setting code.
4028 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
4030 * m68k.md (zero_extendsidi2): Fix typo.
4032 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
4034 * configure.in: Removed references to the removed file
4035 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
4036 * arm*-*-netbsd* and ns32k-*-netbsd*.
4037 * config/i386/xm-netbsd.h: Removed unnecessary file.
4038 * config/m68k/xm-netbsd.h: Likewise.
4039 * config/sparc/xm-netbsd.h: Likewise.
4040 * config/mips/xm-netbsd.h: Likewise.
4042 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
4044 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
4045 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
4047 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
4048 for exact section attributions.
4050 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
4052 * i386/crtdll.h (CPP_PREDEFINES): Define.
4054 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
4056 * m68k.md (5200 movqi): Do not allow byte sized memory references
4058 * m68k.c (output_move_qimode): Do not use byte sized operations on
4061 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4062 explicit rules for building. Similarly for alloca, vfprintf,
4063 choose-temp and mkstemp, getopt, getopt1, and obstack.
4064 (INCLUDES): Add $(srcdir)/../include.
4065 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
4066 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
4068 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
4070 * gcc.c (do_spec_1): [case 'o'] Account for
4071 lang_specific_extra_outfiles.
4072 (main): Correctly clear all slots in outfiles for
4073 lang_specific_extra_outfiles. Set input_file_number before
4074 calling lang_specific_pre_link.
4076 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4078 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4080 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4082 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4084 (sparc_output_deferred_case_vectors): If no work to do, return.
4085 Fix thinko in Sept 1 change.
4087 1998-09-03 SL Baur <steve@altair.xemacs.org>
4089 * Makefile.in: add semicolon in BISON definition for portability.
4091 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4093 * config/nextstep.c (handle_pragma): Correct name of third
4096 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4098 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4099 * config/m32r/m32r.h: Make register 17 be fixed.
4100 * config/m32r/m32r.c: Use SImode for cc operations.
4102 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4104 * invoke.texi (Warning Options): Add -Wnon-template-friend
4107 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4109 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4111 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4113 * rs6000.md (movsf): Disable explicit secondary-reload-like
4114 functionality if TARGET_POWERPC64.
4115 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4118 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4120 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4121 and term.h from fixinc.wrap.
4123 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4125 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4126 safe to include both string.h and strings.h together.
4127 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4128 which headers to search for function declarations. Continue to
4129 prefer string.h over strings.h when both are not acceptable.
4131 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4133 * configure.in: Call GCC_HEADER_STRING.
4135 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4136 to include. Continue to prefer string.h over strings.h when both
4139 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4141 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4142 not assume top 32-bits of symbolic addresses are zero if
4145 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4147 * ginclude/va-alpha.h: Protect entire second portion of the
4148 file against double inclusion.
4150 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4152 Added support for the Boehm's garbage collector.
4153 * configure.in: Handle --enable-objc-gc.
4154 * configure: Rebuilt.
4155 * Makefile.in (CHECK_TARGETS): Add check-objc.
4156 (check-objc): New rule.
4157 * objc/Make-lang.in: Build a different Objective-C library that
4158 runs with the Boehm's collector.
4159 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4160 * objc/encoding.c: Correctly compute the size of compound types in
4161 the presence of bitfields. Skip the variable name of the type if
4162 any. Added support for long long.
4163 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4164 (_F_GCINVISIBLE): New mask.
4165 * objc/gc.c: New file. Compute the type memory mask associated with
4166 a class based on the runtime information.
4167 * objc/misc.c: Added the hooks that use the Boehm's collector
4168 allocation functions.
4169 * objc/objc-act.c (build_class_template): Generate a new class
4170 member (gc_object_type) to hold the class' type memory mask.
4171 (build_shared_structure_initializer): Initialize the new member to
4173 (encode_complete_bitfield): New function. Generate the new
4175 (encode_field_decl): Generate the new encoding only for the GNU
4177 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4179 (class_get_gc_object_type): New function to mark a pointer instance
4180 variable as a weak pointer.
4181 * objc/objc-features.texi: New file.
4182 * objc/objc.h (gc_object_type): New class member.
4183 * objc/objects.c (class_create_instance): Create a typed memory
4184 object when compiled with Boehm's collector support.
4185 * objc/sendmsg.c (__objc_init_install_dtable): Call
4186 __objc_send_initialize instead of setting the initialize flag.
4187 (__objc_send_initialize): Call __objc_generate_gc_type_description
4188 to generate the class type memory mask. Rewrite the code that
4189 sends the +initialize so that it is called only once (bug report
4190 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4191 * testsuite/objc: New testsuite for Objective-C type encoding.
4192 * testsuite/lib/objc-torture.exp: New file.
4193 * testsuite/lib/objc.exp: New file.
4195 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4197 * jump.c (jump_optimize): In if/then/else transformations, add
4198 another call to modified_between_p for the jump insn.
4200 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4202 * fix-header.c (symlink): Treat like readlink.
4204 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4206 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4209 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4211 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4212 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4213 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4215 * config/nextstep.c (handle_pragma): Take three arguments, as per
4216 the new HANDLE_PRAGMA macro specification.
4217 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4218 per the new HANDLE_PRAGMA macro specification.
4219 * config/i960/i960.c (process_pragma): Take three arguments, as
4220 per the new HANDLE_PRAGMA macro specification.
4222 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4224 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4225 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4226 if unknown pragmas are encountered.
4227 (handle_sysv_pragma): Interpret return code from
4228 handle_pragma_token (). Return success/failure indication rather
4229 than next unprocessed character.
4230 (pragma_getc): New function: retrieves characters from the
4231 input stream. Defined when HANDLE_PRAGMA is enabled.
4232 (pragma_ungetc): New function: replaces characters back into the
4233 input stream. Defined when HANDLE_PRAGMA is enabled.
4235 * c-pragma.c (handle_pragma_token): Return success/failure status
4238 * c-pragma.h: Change prototype of handle_pragma_token().
4240 * varasm.c: (handle_pragma_weak): Only create this function if
4241 HANDLE_PRAGMA_WEAK is defined.
4243 * c-common,c (decl_attributes): If defined call the expression
4244 contained within the INSERT_ATTRIBUTES macro before adding
4245 attributes to a decl.
4247 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4248 HANDLE_PRAGMA, which takes three arguments.
4249 (INSERT_ATTRIBUTES): Document this new macro.
4251 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4252 new INSERT_ATTRIBUTES macro.
4254 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4256 * config/sparc/sparc.md (movdf): Only generate special RTL for
4257 LABEL_REFs when PIC.
4258 (move_label_di): Remove
4259 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4260 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4261 references when PIC.
4262 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4263 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4264 output an .xword for all 64-bit cases.
4266 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4268 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4269 alignment, use FUNCTION_BOUNDARY instead.
4270 (sparc_output_deferred_case_vectors): Likewise.
4272 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4274 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4275 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4277 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4279 * alpha/va_list.h: New file.
4280 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4282 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4284 * NEWS: Add SCO Openserver and Unixware 7 notes.
4288 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4290 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4291 (record_constant_1): Handle RANGE_EXPR.
4293 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4295 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4296 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4297 and NOTE_INSN_RANGE_END specially.
4298 (reemit_notes): Likewise.
4300 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4302 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4303 (ultrasparc_sched_init): Remove unneeded &.
4305 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4307 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4308 for m68020-60, to prevent the use of fintrz.
4310 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4312 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4314 * Makefile.in: Likewise.
4315 * configure: Regenerated.
4317 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4319 * configure.in (gxx_include_dir): Changed to
4320 '${prefix}/include/g++'-${libstdcxx_interface}.
4321 * configure: Rebuilt.
4323 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4325 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4327 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4328 *sequences* *below* which scalar moves will be used.
4330 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4332 * collect2.c (mktemp): Delete unused declaration.
4334 * config/xm-netbsd.h: Remove unnecessary file.
4335 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4336 file anymore, it is not needed.
4338 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4340 * convert.c (convert_to_integer): Issue an error on conversions to
4343 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4345 * Makefile.in: Add lang_tree_files and gencheck.h.
4346 * configure.in: Generate them.
4347 * gencheck.c: Include gencheck.h.
4349 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4351 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4352 movdi_lo_sum_pic and movdi_high_pic and make visible.
4353 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4354 emit these when Pmode is not SImode.
4355 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4357 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4359 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4360 .linkonce directive after the first time.
4362 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4364 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4365 the clobbered operand overlaps with an input.
4366 (bne0_di): Similarly.
4368 * Makefile.in (INSTALL): Remove "--no-header" argument.
4370 * NEWS: Various updates.
4372 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4374 * config/sparc/sparc.c (arith_operand, const64_operand,
4375 const64_high_operand, arith_double_4096_operand): Mark mode as
4377 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4379 (sparc_emit_set_const64): Remove unused variable i.
4380 (sparc_splitdi_legitimate): Likewise for addr_part.
4381 (ultra_code_from_mask): Likewise for mask.
4382 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4383 reverse return values so it matches usage and comments.
4384 (ultra_flush_pipeline): Likewise.
4385 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4386 this_type, and allow loads and stores of differing FP modes as
4387 they do not create a conflict.
4388 (ultra_find_type): Initialize fpmode to SFmode, fix
4389 parenthesization thinkos in large conditional.
4390 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4391 Init free_slot_mask after ultra_cur_hist is reset, not before.
4392 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4393 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4394 use ultra_flush_pipeline instead, then re-init group pointer.
4395 Fix statement with no effect. If no progress made in, and no
4396 instructions scheduled at all, advance to new pipeline cycle else
4397 we get into an endless loop.
4398 (ultrasparc_adjust_cost): Remove previous arg.
4399 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4401 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4403 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4404 code. Use reg_overlap_mentioned_p to detect when source and
4405 destination overlap.
4406 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4408 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4410 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4411 COMPARISON_VAL, into invariant_p.
4413 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4415 * regmove.c (regclass_compatible_p): New function.
4416 (regmove_optimize): Use it.
4418 Use NREGS parameter insted of calling max_reg_num.
4420 (fixup_match_1): Don't use code = MINUS when later tieing with
4421 a hard register is likely.
4423 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4425 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4426 COMPARISON_VAL was normalized.
4428 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4430 * loop.c (check_dbra_loop): The loop ending comparison value
4431 must be an invariant or we can not reverse the loop.
4433 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4434 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4436 (load_mems_and_recount_loop_regs_set): Likewise.
4438 * i386.c (print_operand): Remove obsolete 'c' docs.
4440 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4442 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4443 * frame.c (init_object_mutex): New function.
4444 (init_object_mutex_once): Likewise.
4445 (find_fde): Call it.
4446 (__register_frame_info): Likewise.
4447 (__register_frame_info_table): Likewise.
4448 (__deregister_frame_info): Likewise.
4450 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4452 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4454 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4456 * loop.c (check_dbra_loop): Enable code for reversal
4457 of some loops without a known constant loop end.
4459 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4461 * haifa-sched.c (last_clock_var): New.
4462 (schedule_block): Initialize it.
4463 (schedule_insn): Use it to fill insn modes with issue information.
4465 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4466 Tag trapb and next insn with TImode.
4467 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4468 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4469 Invoke alphaev5_align_insns as appropriate.
4470 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4471 (MD_SCHED_VARIABLE_ISSUE): New.
4472 * alpha.md (attr type): Add multi.
4473 (define_asm_attributes): New.
4474 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4475 (arg_home): Likewise.
4476 (fnop, unop, realign): New.
4478 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4480 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4481 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4483 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4484 (rs6000-ibm-aix4.[12]*): Likewise.
4485 * configure: Regnerate.
4487 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4489 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4490 already contains the return address.
4492 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4494 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4495 word sized hunks when loading unaligned args into registers.
4497 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4498 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4500 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4502 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4504 * loop.c (check_dbra_loop): Add some code that would allow reversal
4505 of some loops without a known constant loop end if it were enabled.
4507 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4509 * mips.md (lshrsi3_internal2+2): Fix type-o.
4511 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4513 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4514 correctly with regards to stdio.h.
4516 * calls.c: Remove stdarg.h/varargs.h.
4519 * combine.c: Likewise.
4520 * cpperror.c: Likewise.
4521 * cpplib.c: Likewise.
4522 * cpplib.h: Likewise.
4523 * doprint.c: Likewise.
4524 * emit-rtl.c: Likewise.
4525 * final.c: Likewise.
4526 * fix-header.c: Likewise.
4528 * genattr.c: Likewise.
4529 * genattrtab.c: Likewise.
4530 * gencodes.c: Likewise.
4531 * genconfig.c: Likewise.
4532 * genemit.c: Likewise.
4533 * genextract.c: Likewise.
4534 * genflags.c: Likewise.
4535 * genopinit.c: Likewise.
4536 * genoutput.c: Likewise.
4537 * genpeep.c: Likewise.
4538 * genrecog.c: Likewise.
4539 * mips-tfile.c: Likewise.
4540 * prefix.c: Likewise.
4541 * protoize.c: Likewise.
4542 * regmove.c: Likewise.
4543 * toplev.c: Likewise.
4546 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4548 * config/sparc/sparc.c (sparc_override_options): If not
4549 TARGET_FPU, turn off TARGET_VIS.
4550 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4551 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4552 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4553 (movdi_insn_sp64): Add VIS fzero alternative.
4554 (clear_sf, clear_df): New VIS patterns.
4555 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4557 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4559 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4561 * loop.c (n_times_set, n_times_used, may_not_optimize,
4562 reg_single_usage): Convert to varrays. All uses changed.
4563 (insert_loop_mem): Return a value.
4564 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4565 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4568 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4571 * configure.in: Do not set thread_file to "irix" since no such
4574 * sparc.md (float abs/neg splits): Check reload_completed before
4575 calling alter_subreg.
4577 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4579 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4581 * config/sparc/sparc.h: Declare it.
4582 * config/sparc/sparc.md (float abs/neg splits): Use it.
4583 (all other splits): Handle SUBREGs properly where necessary.
4584 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4586 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4588 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4589 an insn on the unfilled_slots_list that has no delay slots.
4590 (fill_eager_delay_slots): Similarly.
4592 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4594 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4595 as an ordinary operand.
4597 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4599 * tree.c (valid_machine_attribute): Don't apply attributes to both
4602 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4604 * reload.c (operands_match_p): Handle rtvecs.
4606 * i386.c (legitimate_pic_address_disp_p): New.
4607 (legitimate_address_p): Use it.
4608 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4609 Handle constant pool symbols just like statics.
4610 (emit_pic_move): Use Pmode not SImode for clarity.
4611 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4612 [UNSPEC]: New, handling what we killed above.
4613 [PLUS]: Detect and abort on invalid symbol arithmetic.
4614 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4616 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4618 * alias.c: Include output.h.
4619 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4620 different if we're in a varargs function.
4621 * Makefile.in (alias.o): Depend on output.h
4623 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4625 * sh.h (GIV_SORT_CRITERION): Delete.
4627 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4629 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4630 * stupid.c (stupid_life_analysis): Ditto.
4631 * reload1.c (reload): Ditto.
4633 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4635 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4636 arith_double_4096_operand, arith_double_add_operand): New
4638 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4639 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4640 them to transform add/sub 4096 into add/sub -4096.
4642 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4644 * loop.c (scan_loop): Allocate some slop to handle pseudos
4645 generated by move_movables.
4646 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4649 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4651 * tree.def (DECL_RESULT): Correct documentation.
4653 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4655 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4656 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4657 conflicts will all RELOAD_FOR_OUTPUT reloads.
4659 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4660 loads the function result, substitute with a USE.
4662 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4664 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4665 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4666 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4667 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4668 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4669 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4671 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4672 'o' to 'm' for GPR variant constraints.
4674 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4676 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4678 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4680 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4681 when the source and destination overlap.
4683 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4684 clash with global type.
4686 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4688 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4690 * c-common.c (combine_strings): Also set TREE_READONLY.
4691 Change warn_write_strings to flag_const_strings.
4692 * c-decl.c, c-tree.h: Likewise.
4694 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4696 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4697 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4698 sequence, use SET/IOR instead so CSE can see it.
4699 * config/sparc/sparc.md (movhi_const64_special,
4700 movsi_const64_special): New patterns necessitated by that change.
4701 (movhi_high): Remove.
4702 (movhi_lo_sum): Change to match an IOR.
4703 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4704 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4705 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4706 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4707 registers are involved.
4708 (snesi_zero_extend split): Remove reload_completed test.
4709 (unnamed plus and minus zero_extend sidi splits): Add it.
4711 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4713 * extend.texi: Remove description of extension to explicit
4714 instantiation that is now endorsed by standard C++.
4716 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4718 * config/arc/arc.c (arc_initialize_pic): Remove.
4719 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4720 nothing on any platform and is invoked by no-one, it does not even
4721 appear in the documentation.
4722 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4723 * config/sparc/sparc.c (initialize_pic): Likewise.
4724 (find_addr_reg): Remove this as well, no longer referenced after
4727 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4729 * recog.c (validate_replace_rtx_group): New function.
4730 * recog.h (validate_replace_rtx_group): Declare it.
4731 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4732 the entire group of substitutions.
4734 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4736 * loop.c (load_mems): Fix initializers.
4738 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4740 * config/sparc/sparc.md (TFmode splits): Handle destination
4741 registers being referenced in the address correctly.
4743 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4744 TREE_UNSIGNED, when bitsize of type's mode is larger than
4745 HOST_BITS_PER_WIDE_INT.
4747 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4749 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4750 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4751 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4753 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4756 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4758 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4759 * h8300.h (TINY_DATA_NAME_P): Likewise.
4760 (STRIP_NAME_ENCODING): Handle '&'.
4762 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4763 register (it could be accessed via an outer SUBREG).
4764 (REG_OK_FOR_BASE_P): Likewwise.
4765 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4767 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4770 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4772 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4774 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4775 must be offsettable so the splits can be made.
4777 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4779 * config/i386/winnt.c: Include system.h, not stdio.h to get
4780 sys/param.h pulled in before rtl.h in case the system defines MIN
4783 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4785 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4787 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4789 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4791 * cpplib.c (cpp_define): Handle macros with parameters.
4793 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4795 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4796 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4797 and DImode 64-bit. Use llong for minimal-toc SFmode and
4798 SYMBOL_REF / LABEL_REF 64-bit.
4799 (output_function_profiler): Use llong for profiler label and ld to
4800 load 64-bit label address.
4802 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4804 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4807 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4809 * version.c: Bump for snapshot.
4811 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4813 * version.c: Bump for snapshot.
4815 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4817 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4819 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4821 * tm.texi (Misc): Fix typo "teh".
4823 * tm.texi (PIC): Fix typo "PPIC".
4825 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4826 effect when -O2 and higher.
4827 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4829 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4831 * regclass.c: Changed register set documentation to be consistent
4834 * final.c (final_start_function) Removed redundant test for
4837 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4839 * rtl.h (rtx_function): New type.
4840 (for_each_rtx): New function.
4841 * rtlanal.c (for_each_rtx): Define it.
4843 * recog.c (change_t): New type.
4844 (change_objects, change_old_codes, change_locs, change_olds):
4846 (changes): New variable.
4847 (validate_change): Dynamically allocate room for more changes, if
4848 necessary. Uses changes array instead of change_objects, etc.
4849 (apply_change_group): Use changes array instead of
4850 change_objects, etc.
4852 * loop.c (loop_mem_info): New type.
4853 (loop_mems): New variable.
4854 (loop_mems_idx): Likewise.
4855 (looop_mems_allocated): Likewise.
4856 (scan_loop): Remove nregs parameter.
4857 (next_insn_in_loop): New function.
4858 (load_mems_and_recount_loop_regs_set): Likewise.
4859 (load_mems): Likewise.
4860 (insert_loop_mem): Likewise.
4861 (replace_loop_mem): Likewise.
4862 (replace_label): Likewise.
4863 (INSN_IN_RANGE_P): New macro.
4864 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4865 (scan_loop): Remove nregs parameter, compute it after any new
4866 registers are created by load_mems. Use INSN_IN_RANGE_P and
4867 next_insn_in_loop rather than expanding them inline. Call
4868 load_mems to load memory into pseudos, if appropriate.
4869 (prescan_loop): Figure out whether or not there are jumps from the
4870 loop to targets other than the label immediately following the
4871 loop. Call insert_loop_mem to notice all the MEMs used in the
4872 loop, if it could be safe to pull MEMs into REGs for the duration
4874 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4876 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4878 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4880 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4882 * config/sparc/sparc.c (finalize_pic): Check for the correct
4883 nonlocal_goto_receiver UNSPEC number.
4884 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4885 making note of this dependency existing in sparc.c
4886 (negtf2_notv9 split): Give NEG SFmode.
4887 (negsf2): Fix insn output string.
4889 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4891 * c-common.c (decl_attributes): Issue an error if the argument
4892 to alias is not a string.
4894 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4896 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4897 pending memory flush list.
4899 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4901 (try_combine): Allow combining insns with REG_LIBCALL notes.
4903 * expr.c (emit_block_move): Do not call memcpy as a libcall
4904 instead build up a CALL_EXPR and call it like any other
4906 (clear_storage): Similarly for memset.
4908 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4911 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4914 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4915 and REG_LIVE_LENGTH as successful substitutions are made.
4917 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4919 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4920 statement after end of loop label.
4922 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4924 * config/sparc/sparc.c (ultra_types_avail): New variable.
4925 (ultra_build_types_avail): New function to record mask of insn
4926 types in ready list at this cycle.
4927 (ultrasparc_sched_reorder): Call it.
4928 (ultra_find_type): Use it to quicken the search. Also simplif
4929 dependency check, don't use rtx_equal_p because we know exactly
4930 what we are looking for.
4932 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4934 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4935 for architecture v4.
4937 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4939 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4941 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4942 movdf_const_intreg and helper splits): New patterns to move float
4943 constants into integer registers.
4944 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4947 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4950 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4952 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4954 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4955 a BASE_REGS register is needed as an intermediate when copying
4956 a symbolic value into any register class other than BASE_REGS.
4958 * expr.c (move_by_pieces): No longer static. Remove prototype.
4959 * rtl.h (move_by_pieces): Add extern prototype.
4960 * mips.c (expand_block_move): Handle aligned straight line copy by
4961 calling move_by_pieces.
4963 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4966 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4968 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4969 jumps out of the loop to be treated as part of the exit test.
4971 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4972 Jeff Law <law@cygnus.com>
4974 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4975 * cplus-dem.c: Delete.
4977 * Makefile.in (fold-const.o): depend on $(RTL_H).
4979 * fold-const.c: Include rtl.h to get the prototype for
4980 `set_identifier_local_value'.
4982 * loop.c (express_from_1): Remove unused variable `tmp'.
4983 (combine_givs): cast the first argument of bzero to char *.
4985 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4987 * c-decl.c (init_decl_processing): Remove unneeded &.
4989 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4991 * except.c (set_exception_lang_code, set_exception_version_code):
4992 Change parameter from `short' to `int' to avoid using a gcc
4995 * except.h (set_exception_lang_code, set_exception_version_code):
4996 Likewise for prototypes.
4998 * flow.c (count_reg_references): Remove unused variables `regno'
5001 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
5003 * prefix.c (translate_name): Cast the result of `alloca'.
5005 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
5007 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5009 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
5011 (valid_dbcc_comparison_p): Mark mode argument as unused.
5012 (symbolic_operand): Likewise.
5013 (legitimize_pic_address): Likewise.
5014 (const_uint32_operand): Likewise.
5015 (const_sint32_operand): Likewise.
5016 * sched.c [!INSN_SCHEDULING]: Define only dummy function
5017 schedule_insns and comment out rest of file.
5019 * m68k.c (output_move_simode_const): Use subl to move a zero into an
5021 (output_move_[hq]imode): Likewise.
5023 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
5025 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
5026 * invoke.texi: Corresponding changes.
5028 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
5030 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
5032 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5034 * config/sparc/sparc.c (ultra_code_from_mask,
5035 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
5036 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
5037 ultrasparc_sched_init, ultrasparc_variable_issue,
5038 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
5039 functions to describe UltraSPARC pipeline exactly to Haifa.
5040 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
5041 as there is nothing the scheduler can do about it. Indicate that
5042 REG_DEP_OUTPUT's collide. Fixup formatting.
5043 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
5044 divide costs on Ultra for DImode.
5045 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
5047 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
5048 ieuN and add call_no_delay_slot to type list.
5049 (cti function unit): New unit for branches on UltraSPARC.
5050 (subx/addx insns): Set type to misc.
5051 (sidi zero/sign extension insns on arch64): Set type to shift.
5052 (sign_extendhidi2_insn): Set type to sload.
5054 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
5056 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
5057 (output_epilog): Use if != 0 for offset.
5058 (rs6000_fatal_bad_address): Prepare for Intl.
5059 * rs6000.h (rs6000_fatal_bad_address): Declare.
5060 * rs6000.md (movsfcc, movdfcc): Use else if.
5061 (elf_high): Use {liu|lis}.
5062 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
5063 (movsi): Use rs6000_fatal_bad_address.
5065 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
5067 * reload.c (find_equiv_reg): Reject equivalences separated
5068 by a volatile instruction.
5070 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5072 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
5074 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
5076 * alpha.md (movsicc): Fix mode mismatch.
5078 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5080 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5082 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5084 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5086 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5087 write-only modifier from operand 1 constraint.
5089 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5091 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5092 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5094 (sparc_emit_set_const64): Likewise, also when computing trailing
5095 bits do not negate low_bits and make fast_int an int.
5097 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5099 * loop.c (add_label_notes): Do not ignore references to labels
5100 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5101 * gcse.c (add_label_notes): Similarly.
5103 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5105 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5106 (adddi_dishl32): Similarly.
5108 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5110 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5111 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5112 * cse.c (cse_basic_block): Add parens to shut up warnings.
5114 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5116 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5117 sparc_emit_set_const64_longway, const64_is_2insns,
5118 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5119 in 64-bit constant formation.
5120 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5121 rtl for addx not subx.
5122 (define_insn movdi_const64_special): Make available even when
5123 HOST_BITS_PER_WIDE_INT is not 64.
5124 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5125 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5126 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5127 instances of operand 1 inside a QI subreg.
5128 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5129 (one_cmpldi2_sp64): Fix output string.
5130 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5132 (unnamed arch64 ashift DI): Truncate shift count if greater than
5135 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5137 * expr.c (store_expr): Don't optimize away load-store pair
5138 when either source or destination have a side effect.
5140 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5142 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5143 operands of SET are incompatible.
5145 * alpha.md: Fix max and min patterns so modes of SET operands match.
5147 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5149 * configure.in: Avoid [[ by using test and changequote.
5150 * configure: Rebuild.
5152 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5154 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5156 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5157 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5158 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5159 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5160 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5161 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5162 Fix mismatching modes in SET operands.
5163 (conditional move patterns): Fix formatting.
5164 (unnamed subx arch64 pattern): Remove duplicate insn.
5166 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5168 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5169 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5170 (input_operand): Fixup test for what we accept for constant
5172 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5174 (safe_constDI): Remove.
5175 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5176 gen_safe_XOR64): New functions.
5177 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5178 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5180 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5181 available when HOST_BITS_PER_WIDE_INT is not 64.
5182 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5183 move before movdi_insn_sp64 pattern.
5184 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5185 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5186 symbolic_operand as predicate for second operand.
5187 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5188 expander): Give set VOIDmode.
5190 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5192 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5194 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5196 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5198 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5200 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5202 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5204 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5206 * install.texi: Various SCO OpenServer tweaks.
5208 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5210 * reload1.c (eliminate_regs_in_insn): Handle another case when
5211 eliminating the frame pointer to the hard frame pointer. Add
5212 missing ep->to_rtx check to one existing case.
5214 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5216 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5218 * tree.h: De-conditionalize init_priority code.
5220 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5221 * collect2.c (NM_FLAGS): Change from -p to -n.
5223 * configure.in: Turn on collect2 for mipstx39-elf.
5224 Handle use_collect2=no properly.
5226 * c-common.c: De-conditionalize init_priority code.
5227 * collect2.c (extract_init_priority, sort_ids): New fns.
5228 (main): Call sort_ids.
5229 Move sequence_number to file scope.
5231 * configure.in: Handle --enable-init-priority.
5232 * c-common.c (attrs): Add A_INIT_PRIORITY.
5233 (init_attributes, decl_attributes): Likewise.
5234 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5235 * tree.c (get_file_function_name_long): Split out...
5236 (get_file_function_name): ...from here.
5238 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5240 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5243 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5245 * toplev.c (display_help): Add braces to shut up warnings.
5246 * tree.c (simple_cst_equal): Likewise.
5248 * fold-const.c (non_lvalue): Don't deal with null pointer
5250 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5252 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5253 of any size to a pointer.
5255 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5257 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5259 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5261 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5262 which will be saved.
5263 * mn10300.md (prologue insn): Only save registers which need saving.
5264 (epilogue insn): Similarly.
5266 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5269 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5271 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5272 VAR_DECL's in gp addressable sections.
5274 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5276 * sparc.c: Change return <exp> to <exp>; return; in functions
5278 * sparc.md: Add empty semicolon statement after final label in
5281 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5283 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5284 addx_extend_sp64, only allow when TARGET_ARCH64.
5285 (define_insn addx_extend_sp32 and split): Version that works when
5287 (define_insn subx_extend): Likewise.
5288 (define_split adddi3 and subdi3 with zero extension): Fixup and
5289 correct bugs when not TARGET_ARCH64.
5291 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5293 * except.c (set_exception_lang_code, set_exception_version_code):
5294 Use prototype-style definition if __STDC__, to match declaration
5297 * genemit.c: Change FAIL and DONE macros not to use loops.
5299 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5301 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5302 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5304 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5306 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5308 * README.g77: Update from Craig.
5310 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5312 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5314 (safe_constDI sparc_emit_set_const64_quick1,
5315 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5316 analyze_64bit_constant, const64_is_2insns,
5317 create_simple_focus_bits): Fix some bugs when compiled on real
5319 (function_arg_record_value_3, function_arg_record_value_2,
5320 function_arg_record_value): Add fully prototyped forward decls.
5321 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5322 to cmpsi_insn and use on both 64 and 32 bit targets.
5323 (define_insn cmpsi_insn_sp64): Remove.
5324 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5325 (define_insn zero_extendsidi2_insn): Rename to
5326 zero_extendsidi2_insn_sp64.
5327 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5328 assosciated forced split for it.
5330 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5332 * config/sparc/sparc.h: Declare them.
5333 (PREDICATE_CODES): Add them.
5334 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5335 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5337 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5339 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5340 in v9 case as the latter makes the Solaris assembler crash.
5342 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5344 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5345 for TFmode when !v9. We require offsettable memory addresses.
5346 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5347 DFmode register number conversions.
5348 * config/sparc/sparc.md (define_split DFmode moves): If register
5349 is a SUBREG do alter_subreg on it before using.
5350 (define_expand movtf): Fixup comment about alignment on v9.
5351 (define_split TFmode moves): Don't use gen_{high,low}part, create
5352 explicit SUBREGs instead.
5354 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5356 * Makefile.in (mbchar.o): Depend on mbchar.c.
5358 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5359 Richard Henderson <rth@cygnus.com>
5361 Rewrite Sparc backend for better code generation and
5362 improved sparc64 support.
5363 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5365 * config/sparc/sysv4.h: Likewise.
5366 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5367 move_operand, v8plus_regcmp_op, emit_move_sequence,
5368 singlemove_string, doublemove_string, mem_aligned_8,
5369 output_move_double, output_move_quad, output_fp_move_double,
5370 move_quad_direction, output_fp_move_quad, output_scc_insn):
5372 (small_int_or_double): New predicate.
5373 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5374 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5375 old pic_{sethi,lo_sum}_si patterns.
5376 (mem_min_alignment): New generic function to replace
5377 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5378 available and can test for arbitrary alignments. All callers
5380 (save_regs, restore_regs, build_big_number,
5381 output_function_prologue, output_cbranch, output_return,
5382 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5383 sparc_flat_output_function_epilogue): Prettify
5385 (output_function_epilogue): Likewise and add code to output
5386 deferred case vectors.
5387 (output_v9branch): Likewise, add new arg INSN and use it to tack
5388 on branch prediction settings. All callers changed.
5389 (print_operand): Likewise and output %l44 for LO_SUMs when
5391 (sparc_splitdi_legitimate): New function to make sure DImode
5392 splits can be run properly when !arch64.
5393 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5394 Reformat example code in comments.
5395 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5396 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5397 of deferred case vectors we need to output.
5398 (sparc_defer_case_vector): Record a case vector.
5399 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5400 sparc_output_deferred_case_vectors): New functions to output them.
5401 (sparc_emit_set_const32): New function to form 32-bit constants in
5402 registers when that requires more than one instruction.
5403 (safe_constDI, sparc_emit_set_const64_quick1,
5404 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5405 analyze_64bit_constant, const64_is_2insns,
5406 create_simple_focus_bits, sparc_emit_set_const64): New functions
5407 which do the same for 64-bit constants when arch64.
5408 (sparc_emit_set_symbolic_const64): New function to emit address
5409 loading for all code models on v9.
5410 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5411 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5412 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5413 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5414 inaccuracies in comments, add symbolic and text_segment operands
5415 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5416 GENERAL_REGS in these cases as a temp REG is needed to load these
5417 addresses into a register properly.
5418 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5420 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5421 quads are guarenteed to have 16-byte alignment.
5422 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5423 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5424 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5425 deferred case vector implementation.
5426 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5427 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5428 Generate "internal label - label" instead of "label - 1b".
5429 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5430 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5431 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5433 (doublemove_string, output_block_move, output_fp_move_double,
5434 output_fp_move_quad, output_move_double, output_move_quad,
5435 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5436 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5437 (sparc_emit_set_const32, sparc_emit_set_const64,
5438 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5439 mem_min_alignment, small_int_or_double): Add externs.
5440 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5441 UNSPEC_VOLATILE in this backend.
5442 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5443 unary to types which execute in it.
5444 (define_function_unit ieu_shift): Rename to ieu0.
5445 (define_function_unit ieu1): New, executes compare, call, and
5446 uncond_branch type insns.
5447 (define_function_units for type fdivs, fdivd, fsqrt): These
5448 execute in the fpu multiply unit not the adder on UltraSparc.
5449 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5450 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5451 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5452 allows the arith_double_operand predicate and rHI constraint when
5454 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5455 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5456 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5457 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5458 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5459 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5460 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5461 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5462 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5463 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5464 sign_extendqihi2_insn, sign_extendqisi2_insn,
5465 sign_extendqidi2_insn, sign_extendhidi2_insn,
5466 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5467 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5468 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5469 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5470 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5471 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5472 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5473 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5474 smulsi3_highpart_v8plus, unnamed subreg mult,
5475 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5476 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5477 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5478 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5479 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5480 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5481 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5482 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5483 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5484 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5485 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5486 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5487 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5488 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5489 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5490 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5491 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5492 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5493 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5494 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5495 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5496 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5497 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5498 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5499 call_address_untyped_struct_value_sp32,
5500 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5501 call_value_symbolic_sp32, call_value_address_sp64,
5502 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5503 flush_register_windows, goto_handler_and_restore,
5504 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5505 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5506 return_addsi, return_di, return_adddi, return_sf, all call+jump
5507 peepholes, trap, unnamed trap insns): Prettify output strings.
5508 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5509 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5510 Likewise and force + implement splits for integer cases.
5511 (define_insn return_sf_no_fpu): Likewise and allow to match when
5512 no-fpu because of our subreg SFmode splits.
5513 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5514 zero_extendqidi2_insn, zero_extendhidi2_insn,
5515 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5516 input_operand for second operand.
5517 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5518 reg_or_0_operand for operand 2 so new splits can use it.
5519 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5520 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5522 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5523 CONST_DOUBLEs for operand 2.
5524 (define_insn move_label_di): Likewise and label distance
5525 optimization because it no longer works with new deferred case
5526 vector scheme. To be revisited.
5527 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5528 and allow reg_or_0_operand and J constraint for second operand.
5529 (define_insn jump): Set branch predict taken on V9.
5530 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5531 new deferred case vector scheme.
5532 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5533 (define_insn negdi2_sp32): Force + implement splits.
5534 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5535 one_cmplsi2_not_liveg0 respectively, and create expander of original
5536 names which emit special rtl for TARGET_LIVE_G0.
5537 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5538 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5539 gen_compare_reg, FAIL instead.
5540 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5541 values when trying to reverse condition codes, if they FAIL then
5543 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5544 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5545 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5546 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5547 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5548 set output string to # to indicate they are mandatory splits.
5549 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5550 pic_sethi_di, move_pic_label_si): Remove.
5551 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5552 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5554 (define_expand movsi_pic_label_ref, define_insn
5555 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5556 expander and insns to handle PIC label references and deferred
5558 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5560 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5561 Rewrite to not use emit_move_sequence, make use of new constant
5562 formation code, and new splits for all multi-insn cases.
5563 (define_insn movqi_insn): Remove sethi case, it can never happen.
5564 Use reg_or_zero_operand instead of const0_rtx explicit test,
5565 use input_operand instead of move_operand for source, and use
5566 general_operand now for dest.
5567 (define_insn movhi_insn): Similar but leave sethi case.
5568 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5569 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5570 movhi_lo_sum respectively, prettify output string.
5571 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5572 register when needed on TARGET_LIVE_G0.
5573 (define_insn movsi_insn): Use general_operand and input_operand
5574 for dest and src respectively. Simplify applicability test.
5575 Prettify output strings, and add clr alternative for J
5577 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5578 deprecated std and reg-reg DI moves): Remove and...
5579 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5580 implementation which uses forced splits for all non-single insn
5582 (define_split DI move cases on !arch64): New splits to handle all
5583 situations of 64-bit double register DImode on 32bit, and
5584 unaligned registers and memory addresses for all subtargets.
5585 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5587 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5588 input_operand for dest and src respectively, prettify output
5590 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5591 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5593 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5594 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5595 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5596 movtf_no_e_insn_sp64) Replace with new
5597 implementation which uses forced splits for all non-single insn
5599 (define_split DF move cases): New splits in similar vein to DI
5601 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5602 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5603 movdi_sp64_insn): Remove old v9 code model and constant loading
5605 (define_insn pic_lo_sum_di, pic_sethi_di,
5606 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5607 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5608 embmedany_sethi, embmedany_losum, embmedany_brsum,
5609 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5610 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5611 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5612 scheme, using unspecs, secondary reloads, and one to one sparc
5613 insn to rtl insn mapping for better scheduling and code gen.
5614 (define_expand reload_indi, reload_outdi): Reload helpers for
5615 MEDANY and EMBMEDANY symbol address loading cases which require a
5617 (define_expand movsicc): Remove v8plus_regcmp cases.
5618 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5619 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5620 cmp_diqi_trunc_set): New patterns used by some of the new scc
5622 (define_insn xordi3_sp64_dbl): New pattern used for constant
5623 formation when crossing from 32-bit targets.
5624 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5626 (define_insn addx, subx): Make visible and prettify.
5627 (define_insn adddi3_insn_sp32): Likewise and force split.
5628 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5629 64bit scc split usage.
5630 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5631 zero_extend, subdi3): Force and implement splits.
5633 * final.c (final_scan_insn): Don't output labels if target
5634 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5637 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5638 don't forget to walk inside SEQUENCESs too as these are what the
5639 delay slot scheduler will create.
5641 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5643 * alpha.md (extxl+1,+2): New patterns to work around
5646 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5648 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5649 caused bad assembly code to be generated.
5651 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5653 * netbsd.h: Fix typo.
5655 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5657 * config.sub: Fix typo.
5659 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5661 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5663 (Running Protoize): Typo: Change "ther" into "other".
5665 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5667 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5668 * m68k/netbsd.h: Likewise.
5669 * ns32k/netbsd.h: Likewise.
5670 * sparc/netbsd.h: Likewise.
5672 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5674 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5675 * ginclude/va-clipper.h (va_list): Likewise.
5677 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5679 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5680 load/store multiple instructions unless user overrides.
5682 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5684 * ns32k/netbsd.h: Fix typo.
5686 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5688 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5689 labels with .debugsym if no parallel insns.
5691 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5693 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5694 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5696 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5698 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5699 (AR_FOR_TARGET): Define.
5701 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5703 * dyn-string.h: New file.
5704 * dyn-string.c: Likewise.
5705 * Makefile.in (OBJS): Add dyn-string.o.
5706 (dwarf2out.o): Add dyn-string.h dependency.
5707 (dyn-string.o): List dependencies.
5708 * dwarf2out.c: Include dyn-string.h.
5709 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5710 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5711 prototype. Use dyn_string_append rather than strcat, throughout.
5712 (addr_to_string): Use dyn_string_t.
5714 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5716 Function entry/exit profiling instrumentation:
5717 * expr.h (profile_function_entry_libfunc,
5718 profile_function_exit_libfunc): Declare new variables.
5719 * optabs.c: Define them here.
5720 (init_optabs): Initialize them.
5721 * tree.h (struct tree_decl): New flag
5722 no_instrument_function_entry_exit.
5723 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5724 * c-decl.c (duplicate_decls): Merge it.
5725 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5726 (init_attributes): Use it for "no_instrument_function".
5727 (decl_attributes): Handle it, for functions that have not yet been
5728 compiled. Set decl flag.
5729 * flags.h (flag_instrument_function_entry_exit): Declare new
5731 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5732 (f_options): New option "instrument-functions".
5733 * function.h (struct function): New field instrument_entry_exit.
5734 * function.c (current_function_instrument_entry_exit): New
5736 (push_function_context_to, pop_function_context_from): Save and
5738 (expand_function_start): Set current_ variable, maybe emit return
5739 label and entry profile call.
5740 (expand_function_end): Maybe emit exit profile call.
5742 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5744 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5745 NON_QI_REG_P, pretend the register is SImode.
5747 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5749 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5750 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5751 manufacturer id for ns32k.
5752 * configure: Regenerated.
5753 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5754 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5755 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5756 * config/m68k/netbsd.h: Same.
5757 * config/ns32k/netbsd.h: Same.
5758 * config/sparc/netbsd.h: Same.
5760 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5762 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5763 or UNROLL_COMPLETELY loop that starts with a jump to its
5766 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5768 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5769 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5770 (print_operand, case 'B'): Don't fall through.
5771 (print_operand, case 'S'): Correct mask begin/end computation.
5772 Use HOST_BITS_PER_WIDE_INT.
5773 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5774 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5775 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5776 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5778 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5780 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5781 constraint from second alternative.
5783 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5785 * configure.in: Fix --without/--disable cases for local-prefix,
5786 gxx-include-dir and checking.
5788 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5790 * configure.in (enable_haifa): Set by default for sparc64 too.
5793 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5795 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5796 * i386/winnt.c (associated_type): New fn.
5797 (i386_pe_valid_type_attribute_p): New fn.
5798 (i386_pe_check_vtable_importexport): Remove.
5799 (i386_pe_dllexport_p): Use associated_type.
5800 (i386_pe_dllimport_p): Likewise.
5802 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5803 * i386.c (i386_valid_type_attribute_p): Also accept
5804 attributes for METHOD_TYPEs.
5806 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5808 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5810 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5812 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5814 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5815 them from generating a new base name for each occurence of
5818 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5820 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5822 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5826 * cplus-dem.c (type_kind_t): New type.
5827 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5828 on this paramter, rather than demangling the type again.
5829 (demangle_integral_value): Pass tk_integral.
5830 (demangle_template_: Pass the value returned from do_type.
5831 (do_type): Return a type_kind_t. Pass tk_integral to
5832 demangle_template_value_parm for array bounds.
5833 (demangle_fund_type): Likewise.
5835 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5837 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5840 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5842 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5844 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5846 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5848 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5851 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5853 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5854 (DEBUGGER_ARG_OFFSET): Likewise.
5856 * mn10300.md (movsf): Remove last change. Not needed.
5858 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5860 * c-lex.c (yylex): Fix boundary conditions in character literal and
5861 string literal loops.
5863 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5865 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5866 being invoked incorrectly.
5868 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5869 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5871 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5872 * configure.in: Added i[34567]86-*-win32
5873 * config.sub: Ditto.
5874 * configure: Rebuilt.
5876 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5878 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5879 the frame pointer and compiling PIC code and reload has not completed.
5881 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5884 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5886 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5888 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5890 * Makefile.in (install-info): Only try to update the info
5891 directory file if it exists in the first place.
5893 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5895 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5897 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5899 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5900 CONST_DOUBLE source.
5902 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5904 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5905 strings as the insertion of USER_LABEL_PREFIX.
5906 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5908 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5911 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5913 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5914 already defined type.
5916 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5918 * expr.c (check_max_integer_computation_mode): Allow conversions
5919 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5920 (expand_expr): Likewise.
5922 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5924 * expr.c (expand_expr): Expand RETURN_EXPR.
5926 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5928 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5930 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5932 * dwarf2out.c (output_aranges): Call stripattributes
5933 for TEXT_SECTION references.
5934 (output_line_info): Likewise.
5936 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5938 * profile.c (branch_prob): Call allocate_reg_info after outputting
5939 profile rtl in instrument_arcs.
5941 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5943 * fixinc.irix (math.h): Install wrapper instead of copying.
5945 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5947 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5948 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5949 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5950 lang_flag_0. Added documentation in the flag table.
5952 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5954 * cccp.c (do_include): Fix vax c style include handling.
5956 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5958 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5960 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5962 * fold-const.c (non_lvalue): Don't deal with null pointer
5964 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5966 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5968 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5969 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5970 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5971 (u_short_cint_operand): Same.
5972 (reg_or_cint_operand): Same.
5973 (logical_operand): Same.
5974 (input_operand): Same.
5975 (reg_or_short_operand): Use u_short_cint_operand.
5977 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5979 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5980 but keep the insns and splits. Adjust so when the ultimate destination
5981 is memory, use cvtql.
5983 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5985 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5987 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5989 * gcc.c (do_spec): Call "error" not "warning".
5991 * configure.in: Fix minor problems with gas feature detection code.
5992 * configure: Rebuilt.
5994 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5997 * gcc.c: Delete %[spec] support.
5998 (do_spec_1, case '('): Likewise.
5999 (do_spec_1, case '['): Call error.
6001 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
6003 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
6004 (CPP_SUBTARGET_SPEC): Default to empty string.
6005 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
6006 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
6007 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
6008 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
6010 * alpha/linux.h (CPP_PREDEFINES): Tidy.
6011 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
6012 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
6013 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
6014 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
6015 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
6016 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
6017 * alpha/vxworks.h: Likewise.
6019 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
6021 * mips.md (reload_outsi): Added missing REGNO call.
6022 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
6024 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
6025 another match_operator and compare the codes.
6027 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
6029 * MIPS multiply pattern fixes:
6030 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6031 Add union classes for HI, LO, or HILO plus general registers.
6032 (GENERATE_MADD): Deleted.
6033 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
6034 Add TARGET_MAD to condition.
6035 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
6036 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
6037 "*d" for accumulator, to give preference to LO initially but not
6040 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
6042 * configure.in (enable_c_mbchar): New configure option.
6043 (extra_cpp_objs): Always available now.
6045 * cexp.y (mbchar.h): #include it.
6046 (yylex): Handle Multibyte characters in character literals.
6048 * cccp.c (mbchar.h): #include it.
6049 (main): Set character set based on LANG environment variable.
6050 (rescan): Handle multibyte characters in comments.
6051 (skip_if_group): See above.
6052 (validate_else): See above.
6053 (skip_to_end_of_comment): See above.
6054 (macarg1): See above.
6055 (discard_comments): See above.
6056 (rescan): Handle multibyte characters in string and character literals.
6057 (collect_expansion): See above.
6058 (skip_quoted_string): See above.
6059 (macroexpand): See above.
6060 (macarg1): See above.
6061 (discard_comments): See above.
6062 (change_newlines): See above.
6064 * c-lex.c (mbchar.h): #include it.
6065 (GET_ENVIRONMENT): New macro.
6066 (init_lex): Set character set based on LANG environment variable.
6067 (yylex): Handle multibyte characters in character literals.
6068 (yylex): Handle multibyte characters in string literals.
6070 * Makefile.in (mbchar.o): New target.
6071 (cccp$(exeext)): @extra_cpp_objs@ is always available.
6072 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
6074 * mbchar.[ch]: New files for multibyte character handling.
6076 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6078 * jump.c (jump_optimize): When simplifying noop moves and
6079 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6080 the PUSHes to rewrite in second loop as we did in the first.
6082 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6084 * cplus-dem.c (demangle_nested_args): Make function definition
6085 static to match the prototype.
6087 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6089 * alloca.c: Respect USE_C_ALLOCA.
6090 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6091 * gengenrtl.c (xmalloc): Likewise.
6093 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6095 * loop.h (struct induction): Add no_const_addval.
6096 * loop.c (the_movables, reg_address_cost): New variables.
6097 (init_loop): Init reg_address_cost.
6098 (loop_optimize): Call end_alias_analysis.
6099 (scan_loop): Init the_movables.
6100 (record_giv): Init induction->no_const_addval.
6101 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6102 [REG]: Rearrange loop search test to catch more cases.
6103 (general_induction_var): Return success not benefit; take an extra
6104 argument for that. Change all callers.
6105 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6106 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6107 [default]: Search the_movables for additional combinations.
6108 (sge_plus_constant, sge_plus): New functions.
6109 (express_from_1): New function.
6110 (express_from): Always define. Rewrite using express_from_1.
6111 (combine_givs_p): Handle more cases. Ignore address cost.
6112 (cmp_combine_givs_stats): New function.
6113 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6114 (combine_givs): Rewrite to do best-fit combination.
6116 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6117 (fold): Do a complete (A*C)+(B*C) association check.
6119 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6121 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6123 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6125 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6127 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6129 * tree.c (valid_machine_attribute): Only create a new type variant if
6130 there is a decl to use it.
6132 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6134 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6137 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6139 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6142 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6144 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6145 Simplify tests for clearing an address register.
6146 (expand_prologue): Corresponding changes.
6148 * mn10300.md (movXX patterns): Make sure the destination is an
6149 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6150 (logical patterns): Split into expanders + patterns
6151 (zero and sign extension patterns): Similarly.
6152 (shift patterns): Similarly.
6154 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6156 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6157 for the sequence, recording base values.
6159 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6161 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6163 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6165 * gcc.c: Remove ANSI-C ism from --help code.
6167 * toplev.c: Support --help with USE_CPPLIB.
6169 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6171 * configure.in: Rework gas feature code to work with symlink based
6174 * extend.texi: Clarify some issues related to local variables
6175 assigned to explicit registers.
6177 * mn10300.md (mulsi): Turn into expander + pattern.
6179 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6182 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6184 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6186 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6188 * version.c: Bump again to distinguish mainline tree from the
6191 See ChangeLog.0 for earlier changes.
6194 add-log-time-format: current-time-string