1 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3 * reload1.c (reload): If we can not perform a particular elimination
4 when we thought we could earlier, then we must always iterate through
5 the loop at least one more time.
7 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
9 * alpha.c (add_operand): Simplify the CONST_INT match.
10 (sext_add_operand): Correct typo in comparison by using
11 CONST_OK_FOR_LETTER_P.
12 * alpha.md (s?addq): Use sext_add_operand to allow the negative
13 constant alternatives to be generated.
14 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
15 small constants, since the hw instructions do.
17 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
20 previous insn to store directly into our reload register, make sure
21 that if the source of the previous insn is a reload register, its
22 spill_reg_store and spill_reg_stored_to values are cleared.
24 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
26 * rs6000.md (floatunssidf2_internal splitter): Use base register
27 operand, not hard-coded SP.
29 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
31 * jump.c (calculate_can_reach_end): Fix thinko.
33 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
35 * reorg.c (fill_simple_delay_slots): Fix typo.
37 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
39 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
41 * i386.md (extendsidi2): Use # in the output template.
42 (extendsidi splitters): New splitters.
44 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
46 * jump.c (init_label_info, delete_barrier_successors,
47 mark_all_labels, delete_unreferenced_labels,
48 delete_noop_moves, calculate_can_reach_end): New functions broken
50 (jump_optimize): Use them.
52 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
54 * except.c (expand_fixup_region_end): Make sure outer context labels
55 are not issued in an inner context during cleanups.
57 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
59 * alpha.md (addsi3, subsi3): No new temporaries once cse is
62 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
64 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
65 to expose this midpoint to CSE.
67 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
69 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
71 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
73 * configure.in: Bring over gcc2 change of Nov 19 1997.
75 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
77 * toplev.c (output_lang_identify): Make definition dependent on
78 ASM_IDENTIFY_LANGUAGE.
80 * print-rtl.c (spaces): Make static.
82 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
84 * extend.texi: Clarify proper uses for register clobbers in asms.
86 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
88 * recog.h (enum op_type): Define.
89 (constrain_operands): Adjust prototype.
90 (recog_op_type): Declare new variable.
91 * recog.c (recog_op_type): New variable.
92 (insn_invalid_p): Allow modifying an asm statement after reload.
93 (extract_insn): Set up recog_op_type.
94 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
95 Don't compute operand types, use recog_op_type.
96 Use the information computed by extract_insn instead of the previous
97 method of finding it by insn code number.
98 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
99 * reorg.c (fill_slots_from_thread): Likewise.
100 * reload1.c (reload_as_needed): Likewise.
101 (gen_reload): Likewise.
102 (inc_for_reload): Likewise.
103 (reload_cse_simplify_operands): Likewise.
104 Use the information computed by extract_insn instead of the previous
105 method of finding it by insn code number.
106 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
108 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
109 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
110 Use the information computed by extract_insn instead of the previous
111 method of finding it by insn code number.
112 * regmove.c (find_matches): Likewise. Change meaning of the return
113 value to be nonzero if the optimization can be performed, zero if
114 not. All callers changed.
115 Shorten some variable names to fix formatting problems.
116 (regmove_optimize): Shorten some variable names to fix formatting
118 Use the information computed by extract_insn instead of the previous
119 method of finding it by insn code number.
120 * regclass.c (scan_one_insn): Likewise.
121 (record_reg_classes): Don't compute operand types, use recog_op_type.
122 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
123 recog_constraints instead.
125 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
127 * rtl.h (flow2_completed): Declare.
128 * flow.c (flow2_completed): Definition.
129 * toplev.c (rest_of_compilation): Set and clear flow2_completed
132 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
134 * Makefile.in (libcpp.a): Ranlib libcpp.a
136 * cppulp.c (user_label_prefix): Initialize.
138 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
140 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
141 at a RETURN if current_function_sp_is_unchanging is set.
143 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
145 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
147 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
149 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
150 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
151 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
152 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
153 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
154 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
156 (LIB_SPEC): Handle -mno-cyginw option.
157 (LINK_SPEC): Handle -mdll.
159 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
161 * reload.c (find_reloads): Fix test for usage by other reload
162 to handle secondary reloads properly.
164 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
166 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
167 intermediate structure which has exactly the members provided by
168 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
169 static intermediate structure.
171 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
172 from the intermediate structure. Do the same analogous fix in
173 the case where ELIMINABLE_REGS is not defined.
175 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
177 * pa.h (SELECT_SECTION): Fix thinko.
179 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
181 * dwarf2out.c (output_call_frame_info): Comments on last change.
183 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
185 * arm.c (add_constant): When taking the address of an item in the
186 pool, get the mode of the item addressed.
188 * arm.c (final_prescan_insn case INSN): If an insn doesn't
189 contain a SET or a PARALLEL, don't consider it for conditional
192 Restore ABI compatibility for NetBSD.
193 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
195 (RETURN_IN_MEMORY): Likewise.
197 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
199 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
200 (m32r_output_block_move): Rewrite bytes < 4 handling.
202 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
204 * configure.in: Call AC_FUNC_VFORK.
206 * collect2.c: Define VFORK_STRING as a printable string for
207 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
208 defined, include vfork.h. If VMS is defined, define vfork()
209 appropriately. Remove vfork check on USG, we're using autoconf.
210 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
211 checking locally what string to pass.
212 (scan_prog_file): Likewise.
213 (scan_libraries): Likewise.
215 * gcc.c: Remove vfork check on USG, we're using autoconf.
216 Besides, no calls to vfork/fork occur in this file.
218 * protoize.c: Likewise.
220 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
222 * configure.in (DEFAULT_LINKER): renamed from LD
223 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
224 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
227 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
229 * BUGS: fix the regexp for `more' to find the appropriate node.
230 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
232 * BUGS: added link to the WWW FAQ
234 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
236 * version.c: Bump for snapshot.
238 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
240 * From Christian Gafton:
241 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
242 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
243 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
245 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
247 * c-common.c (c_get_alias_set): Allow all type-punning through
248 unions. Don't get confused about the type of a bit-field, despite
249 the antics of build_modify_expr.
251 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
253 * fixinc.sco: Paramaterize #include_next values.
254 * fixinc/fixinc.sco: Likewise.
256 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
258 * toplev.c (rest_of_compilation): No longer set reload_completed.
259 * reload1.c (reload): Set it here. Perform instruction splitting
260 after reload has completed if we will be running the scheduler
263 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
265 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
266 EH region if exceptions are enabled and we're performing cross
268 (find_cross_jump): Exit loop if the insns are in different EH regions.
270 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
272 * dwarf2out.c (output_call_frame_info): Use
273 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
275 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
278 * c-common.c (check_format_info): Don't check for the 'x'
279 format character twice, instead check for 'x' and 'X'
281 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
283 * configure.in (assembler features): Also make gas is configured if
284 we find it in the souce tree.
286 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
288 * i386.c (i386_comp_type_attributes): Compare whether the
289 attributes are defined, not their tree nodes.
291 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
293 * configure.in (gxx_include_dir): bitten by autoconf quoting
297 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
299 * configure.in: Ignore non-absolute value in $AS.
301 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
303 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
305 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
307 * configure.in (msdosdjgpp): Set exeext and target_alias.
309 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
311 * flow.c (XNMALLOC): New macro.
312 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
314 (add_edge, add_edge_to_label): New static functions.
315 (free_bb_memory): New function.
316 (flow_delete_insn): Delete function.
317 (basic_block_drops_in): Delete variable.
318 (find_basic_blocks): Allocate and initialize basic_block_head,
319 basic_block_succ. Don't allocate basic_block_drops_in.
320 Call free_bb_memory at the beginning.
321 (find_basic_blocks_1): Don't do multiple passes.
322 Delete code to compute basic_block_drops_in.
323 After calling make_edges, mark blocks reached by current block live.
324 Update test for unreachable live blocks.
325 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
327 Simplify to call add_edge_to_label when a LABEL_REF is found.
328 (make_edges): Simplify to call add_edge_to_label instead of
329 mark_label_ref most of the time.
330 Compute here whether control drops into the next block.
331 (delete_unreachable_blocks): Return void. All callers changed.
332 Delete unreachable blocks in reverse order.
333 After deleting all unreachable blocks, renumber the remaining ones
334 and update n_basic_blocks.
335 (delete_block): Speed up deletion a bit.
336 Don't set basic_block_drops_in for deleted blocks.
337 (free_basic_block_vars): Don't free basic_block_drops_in.
338 (life_analysis_1): Update to use new edge representation.
339 (dump_flow_info): Delete code to print basic block info; call
340 dump_bb_data instead.
341 (compute_preds_succs): Delete code to recompute basic_block_drops_in
342 and uid_block_number.
343 Simply copy the previously computed cfg.
344 (dump_bb_data): New arg LIVE_INFO. All callers changed.
345 Print register lifetime information if LIVE_INFO is nonzero.
346 * basic-block.h (dump_bb_data): Adjust prototype.
347 * gcse.c (gcse_main): Update call to dump_bb_data.
348 * rtl.h (free_bb_memory): Declare.
349 * toplev.c (rest_of_compilation): Call free_bb_memory.
351 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
352 (update_eliminable_offsets): Don't compute it.
353 (set_initial_elim_offsets): Don't initialize it.
354 Break out some code into set_initial_label_offsets so the rest of
355 this function can be called from reload_as_needed.
356 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
357 ELIMINABLE_REGS isn't.
358 (set_initial_label_offsets): New function, broken out of
359 set_initial_elim_offsets.
360 (set_offsets_for_label): New function, broken out of set_label_offsets
361 and reload_as_needed.
362 (reload): Call the two new functions.
363 (reload_as_needed): Call set_initial_elim_offsets instead of
364 duplicating the code. Likewise for set_offsets_for_label.
366 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
367 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
368 any hard reg, reg_reloaded_dead contains valid data.
370 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
372 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
373 "stdcall" and "cdecl" attributes.
375 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
377 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
378 handle deleted no-op moves of hard registers.
379 * haifa-sched.c (update_flow_info): Likewise.
381 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
383 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
384 of the sequences to reload the HILO register which do not actually
387 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
389 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
391 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
393 * except.c (emit_eh_context): Make the EH context register stay alive
394 at -O0 so stupid.c doesn't get confused.
396 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
398 * emit-rtl.c (try_split): Do not try to split a BARRIER.
400 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
401 Jeffrey A Law (law@cygnus.com)
403 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
404 (zero_extendsidi2): Use # in output template and handle completely by
406 (zero_extend splitters): New define_splits.
407 (ashiftrt_32): New pattern.
409 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
411 * tree.c (append_random_chars): New fn.
412 (get_file_function_name_long): Use it.
414 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
416 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
417 (LIBCPP_OBJS): New. Add cppulp.o.
418 (cppmain, fix-header): Depend on and use libcpp.a.
419 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
420 of the individual object files.
421 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
424 * cccp.c (user_label_prefix): New.
425 (main): Set it off -f*leading-underscore.
426 (special_symbol): Use it.
427 * cpplib.c (special_symbol): Likewise.
428 (cpp_handle_option): Handle -f*leading-underscore.
429 * cppulp.c: New file.
431 * output.h (user_label_prefix): Declare it.
432 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
433 * toplev.c (f_options, main): Handle -f*leading-underscore.
435 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
436 referencing USER_LABEL_PREFIX directly.
437 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
438 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
439 * final.c (asm_fprintf): Use user_label_prefix instead.
440 * arm/thumb.c (thumb_print_operand): Likewise.
442 * gcc.c (default_compilers): Pass -f*leading-underscore on to
443 cpp wherever appropriate.
445 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
447 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
448 specific compiler switches.
450 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
452 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
455 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
458 structure which has exactly the members provided by EXTRA_SPECS.
459 Xmalloc() the real `extra_specs', and initialize it from this
460 intermediate structure.
462 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
464 * mips.h (EXTRA_SPECS): Likewise.
466 * sparc.h (EXTRA_SPECS): Likewise.
468 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
470 * function.c (purge_addressof_1): Instead of aborting when a
471 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
472 work just put the ADDRESSOF on stack. Otherwise remember all such
473 successfull replacements, so that exactly the same replacements
474 can be made on the REG_NOTEs. Remove the special case for CALL
476 (purge_addressof_replacements): New variable.
477 (purge_addressof): Clear it at end.
479 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
481 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
482 (lang_init): Call check_newline always.
483 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
484 cpp_start_read, set yy_cur and yy_lim to read from
485 parse_in.token_buffer, so that we'll see the first #line
487 * cpplib.c (cpp_start_read): finclude the main input file
488 before processing -include/-imacros. Process -imacros and
489 -include separately, and handle -include by stacking a
490 buffer for the file in question as if it'd been #included.
491 * toplev.c (documented_lang_options) Recognize -H when
494 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
496 * cpplib.c: Merge do_once into do_pragma. Break file handling
497 code out of do_include.
498 Move append_include_chain, deps_output,
499 file_cleanup, redundant_include_p, import_hash,
500 lookup_import, add_import, read_filename_string, read_name_map,
501 open_include_file, finclude, safe_read to cppfiles.c.
502 Move prototypes for deps_output, append_include_chain,
503 finclude to cpplib.h. Move definition of struct
504 file_name_list there also.
506 * cppfiles.c: New file. Contains all the above functions
507 broken out of cpplib.c; also hack_vms_include_specification
508 from cccp.c and find_include_file, a new function broken out of
511 * Makefile.in (cppmain): Depend on cppfiles.o.
512 (fix-header): Likewise.
513 (cppfiles.o): New target.
514 * configure.in (--enable-c-cpplib): Add cppfiles.o to
515 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
517 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
519 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
520 if pending_types is non-zero.
521 (dwarfout_finish): Verify pending_types is zero before finishing.
523 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
525 * expr.c (convert_move): Use shifts to perform the move if a
526 suitable extend pattern cannot be found. Code written by
527 Richard Henderson <rth@cygnus.com>.
529 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
531 * regclass.c (renumber, regno_allocated): New static variables, moved
532 out of allocate_reg_info.
533 (allocate_reg_info): Move these two variables outside the function.
534 Move code to free memory into new function free_reg_info.
535 (free_reg_info): New function, broken out of allocate_reg_info.
536 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
537 * rtl.h (allocate_reg_info): Don't declare.
538 (free_reg_info): Declare.
540 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
542 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
544 * toplev.c (compile_file): Temporarily revert last change.
546 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
548 * c-typeck.c (convert_for_assignment): Parenthesize.
550 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
552 * reload1.c (delete_output_reload): Avoid ambigous else.
554 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
556 * toplev.c (compile_file): Call allocate_reg_info to free register
558 * rtl.h (allocate_reg_info): Declare.
560 * PROJECTS: Remove entry for local spilling.
562 * final.c (cleanup_subreg_operands): New function.
563 (final_scan_insn): Use it.
564 (alter_subreg): Clear the "used" field when we turn a SUBREG into
566 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
567 operands when reload has finished.
568 * reload.h (cleanup_subreg_operands): Declare..
569 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
570 reload. Handled in reload itself.
572 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
574 * reload1.c (verify_initial_offsets): New function.
575 (reload): Call it after reload_as_needed. Also verify that the frame
576 size stays constant during reload_as_needed.
577 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
579 * reload.h (struct insn_chain): Add need_operand_change element.
580 * reload1.c (new_insn_chain): Clear it.
581 (calculate_needs_all_insns): Set it; don't overload need_reload.
582 (reload_as_needed): Use it.
584 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
585 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
586 and reload_address_index_reg_class.
587 (find_reloads_address_1): Likewise.
588 * reload.h (reload_address_base_reg_class,
589 reload_address_index_reg_class): Don't declare.
590 * reload1.c (reg_old_renumber, pseudo_previous_regs,
591 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
592 (used_spill_regs): Now static.
593 (reload_address_base_reg_class, reload_address_index_reg_class,
594 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
595 basic_block_needs, max_needs, group_size, group_mode, max_groups,
596 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
599 (init_reload): Delete code to compute base/index reg classes.
600 (reload): Delete variable J.
601 Delete code to manage basic_block_needs.
602 Don't compute regs_explicitly_used.
603 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
604 pseudo_previous_regs.
605 Initialize bad_spill_regs_global.
606 Don't call order_regs_for_reload here.
607 Don't initialize spill_reg_order and n_spills.
608 Don't forbid explicitly used regs to be used for spill regs.
609 Change main loop to infinite loop, with explicit break statements.
610 Make SOMETHING_CHANGED variable local to that loop.
611 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
612 max_groups_insn, max_nongroups_insn, group_size, group_mode.
613 Make sure spilled_speudos is cleared before calling spill_hard_reg or
615 Don't call dump_needs.
616 Delete code to reset potential_reload_regs.
617 Delete code to terminate loop conditional on the global needs variables
618 showing no further needs.
619 (calculate_needs_all_insns): Return void. All callers changed.
620 Initialize somehing_needs_elimination here, not in reload.
621 Delete avoid_return_reg kludge.
622 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
624 Initialize the group_mode and group_size elements of the arg CHAIN.
625 Delete code to manage basic_block_needs.
626 Operate on elements of CHAIN instead of global variables.
627 Delete avoid_return_reg kludge.
628 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
630 Operate on elements of CHAIN instead of global variables.
631 Delete special SMALL_REGISTER_CLASSES code.
632 Delete spill_failure code; now in new_spill_reg.
633 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
635 Operate on elements of CHAIN instead of global variables.
636 (maybe_mark_pseudo_spilled): New static function.
637 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
639 Operate on elements of CHAIN instead of global variables.
640 Call order_regs_for_reload here, not in reload.
641 Initialize spill_reg_order and n_spills.
642 Simplify test whether an asm insn is involved.
643 Delete spill_failure code; now in new_spill_reg.
644 Call maybe_mark_pseudo_spilled for everything marked as live in
645 CHAIN. Merge CHAIN's used_spill_regs into the global variable
647 (dump_needs): Take CHAIN arg. No longer static, to prevent the
648 compiler from optimizing this function (now unused) away.
649 Operate on elements of CHAIN instead of global variables.
650 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
652 Operate on elements of CHAIN instead of global variables.
653 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
654 take CHAIN arg. All callers changed.
655 Operate on elements of CHAIN instead of global variables.
656 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
657 CHAIN, NONGROUP args. Return void. All callers changed.
658 Verify caller isn't trying to spill a pseudo.
659 Simplify test for illegal reg, just use bad_spill_regs.
660 Generate better error messages.
661 Operate on elements of CHAIN instead of global variables.
662 Mark spilled register in CHAIN's used_spill_regs element.
663 Don't call spill_hard_reg.
664 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
665 Mark spilled hard regs in bad_spill_regs_global.
666 Mark affected pseudos in spilled_pseudos, but don't spill them.
667 (ior_hard_reg_set): New static function.
668 (finish_spills): Return int. All callers changed.
669 Compute spill_reg_order, n_spills and spill_regs here. Also update
670 regs_ever_live for regs used as spills.
671 For every pseudo in spilled_pseudos, spill it and mark the previous
672 hard reg it had in pseudo_previous_regs. Compute which hard regs
673 arseudo): New static function.
674 (order_regs_for_reload): Take CHAIN arg. All callers changed.
675 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
676 hard registers explicitly used across the current insn into the set.
677 Compute hard_reg_n_uses taking only pseudos live across this insn
679 Tweak sorting of potential_reload_regs.
680 (compare_spill_regs): Delete function.
681 (reload_as_needed): Don't sort the spill_regs array, it's computed
682 in proper order in finish_spills.
683 Delete avoid_return_reg kludge.
684 Delete code to manage basic_block_needs.
685 (allocate_reload_reg): Minor speed/readability tweaks.
686 Operate on elements of CHAIN instead of global variables.
687 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
688 Delete avoid_return_reg kludge.
689 Initialize reload_reg_used from CHAIN's used_spill_regs element.
690 Delete unused label FAIL.
691 (reload_combine): Replce reload_address_index_reg_class with
693 Don't use used_spill_regs to determine information about lifetime of
696 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
698 * toplev.c (display_help): Ignore empty target specific
699 options, and if -W is also specified on the command line then
700 display undocumented options.
702 * config/arm/arm.c: Updated with changes in devo sources.
703 * config/arm/arm.h: Updated with changes in devo sources.
704 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
705 * config/arm/lib1thumb.asm: Add ELF support.
707 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
709 * collect2.c (aix64_flag): New variable.
710 (main, case 'b'): Parse it.
711 (GCC_CHECK_HDR): object magic number must match mode.
712 (scan_prog_file): Only check for shared object if valid header.
713 Print debugging if header/mode mismatch.
715 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
717 Added support for arm-elf-linux configuration, submitted by Philip
718 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
719 code developed by Catherine Moore <clm@cygnus.com>. The following
722 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
725 * configure: Regenerated.
727 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
728 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
729 definitions conditional on their not having been already defined.
731 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
732 and .type directives, and add "(PLT)" qualification to function
735 * config/arm/linux.h: Deleted. This file is now superceeded by
736 either linux-elf.h or linux-aout.h.
738 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
739 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
741 Move definitions from old linux.h file here.
743 * config/arm/elf.h: New file. Generic ARM/ELF support.
745 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
747 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
749 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
750 using the 26bit APCS.
752 * config/arm/unknown-elf.h: New file. Support for OS'es other
755 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
758 * config/arm/coff.h: Include aout.h for basic assembler macros.
759 Add support for -mstructure_size_boundary=<n> command line option.
761 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
762 command line option. Make macro definitions conditional on their
763 not having been already defined.
765 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
769 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
771 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
772 has been changed to not include a newline. Use this macro instead.
773 (output_enumeral_list, const_value_attribute, name_attribute,
774 comp_dir_attribute, prototyped_attribute, producer_attribute,
775 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
776 dwarfout_file_scope_decl, generate_new_sfname_entry,
777 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
778 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
780 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
782 * combine.c (subst): Process the inputs to a parallel asm_operands
785 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
787 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
789 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
791 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
793 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
795 * version.c: Bump for snapshot.
797 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
799 * stmt.c (expand_fixup): Set fixup->before_jump to a
800 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
802 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
804 * Makefile.in (recog.o): Depend on toplev.h.
805 (insn-emit.o): Depend on recog.h.
806 (insn-peep.o): Depend on recog.h and insn-config.h.
808 * combine.c (simplify_set): Remove unused variable `scratches'.
810 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
811 and `idx' in macro conditional controlling their use.
813 * genemit.c (main): Make the generated output file include
814 recog.h. Don't have it declare `insn_operand_constraint', since
815 we get it from recog.h.
817 * genpeep.c (main): Make the generated output file include
818 insn-config.h and recog.h.
820 * recog.c: Include toplev.h.
821 (extract_insn): Remove unused variable `p'.
823 * regclass.c (fix_register): Add missing braces around initializer
825 (allocate_reg_info): Move variable `i' into the scope where it is
826 used. Change its type to `size_t'.
828 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
830 * reload.c (push_reload): When merging reloads, make sure
831 that reload_in_reg and reload_in are from the same reload in
834 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
836 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
837 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
839 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
841 * loop.c (loop_has_tablejump): New variable.
842 (prescan_loop): Scan for it.
843 (insert_bct): Replace explicit scan with use of it.
844 * regclass.c (regclass): Restore loop variable j.
845 (record_reg_classes): Deterine op_types modifiers and initialize
846 classes[i] before matching constraints. Handle matching
849 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
851 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
854 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
856 * mips.h (EXTRA_SPECS): Add missing initializers.
858 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
860 * sparc.h (EXTRA_SPECS): Add missing initializers.
861 (sparc_defer_case_vector): Provide a prototype.
863 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
864 comparing it to the result of a pointer subtraction.
866 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
869 the argument to (unsigned char).
871 * alpha.h (EXTRA_SPECS): Add missing initializers.
872 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
875 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
877 * flow.c (life_analysis_1): Enable "rescan" code after reload.
878 (propagate_block): Delete dead code after reload.
880 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
881 back Oct 15, 1998 change.
882 * haifa-sched.c (update_flow_info): Likewise.
883 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
885 * mn10200.md (truncated shift): Accept constant inputs too.
887 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
889 * machmode.h (mode_mask_array): No longer const.
890 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
892 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
894 * frame.c: Somewhat explain `FDE'.
895 Suggested by Brendan Kehoe
897 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
899 * expr.c (pending_chain): Move up.
900 (save_expr_status): Do save pending_chain.
901 (restore_expr_status): And restore it.
902 * function.h (struct function): Add pending_chain.
904 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
906 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
907 did not match the code.
909 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
911 * regclass.c (regclass): Break out some code into new function
912 scan_one_insn, and into regclass_init.
913 (init_cost): New static variable, moved out of regclass.
914 (regclass_init): Initialize it here, not in .
915 (scan_one_insn): New static function, broken out of regclass.
916 * recog.c (apply_change_group): Break out some code into new
917 function insn_invalid_p.
918 (insn_invalid_p): New static fn, broken out of apply_change_group.
920 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
922 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
923 reg_reloaded_contents matches incremented pseudo.
925 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
927 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
929 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
930 addressing modes with side effects. These are currently
931 placeholders for the C4x target.
933 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
935 * loop.c (express_from): Make sure that when generating a PLUS of
936 a PLUS, any constant expression appears on the outermost PLUS.
938 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
940 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
941 works if "$(srcdir)" != ".".
943 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
945 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
946 existing SUBREG if we can, otherwise abort.
948 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
950 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
951 `restrict' is applied to a non-pointer variable.
953 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
955 * invoke.texi: Document -flang-isoc9x.
957 * Makefile.in (OBJS): Add splay-tree.o.
958 (c-common.o): Depend on rtl.h.
959 (splay-tree.o): List dependencies and provide build rule.
961 * rtl.h (record_alias_subset): New function.
962 * alias.c: Include splay-tree.h.
963 (alias_set_entry): New type.
964 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
965 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
966 (mems_in_disjoin_alias_sets_p): New function.
967 (alias_set_compare): Likewise.
968 (insert_subset_children): Likewise.
969 (get_alias_set_entry): Likewise.
971 * tree.h (TYPE_RESTRICT): New macro.
972 (TYPE_UNQUALIFIED): New manifest constant.
973 (TYPE_QUAL_CONST): Likewise
974 (TYPE_QUAL_VOLATILE): Likewise.
975 (TYPE_QUAL_RESTRICT): Likewise.
976 (tree_type): Add restrict_flag. Reduce count of free bits.
977 (DECL_POINTER_ALIAS_SET): New macro.
978 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
979 (tree_decl): Add pointer_alias_set.
980 (build_qualified_type): New function.
981 (build_type_variant): Define in terms of build_qualified_type.
982 * tree.c (set_type_quals): New function.
983 (make_node): Initializae DECL_POINTER_ALIAS_SET.
984 (build_type_attribute_variant): Use build_qualified_type and
986 (build_type_variant): Rename, and modify, to become...
987 (build_qualified_type): New function.
988 (build_complex_type): Use set_type_quals.
990 * c-tree.h (C_TYPE_OBJECT_P): New macro.
991 (C_TYPE_FUNCTION_P): Likewise.
992 (C_TYPE_INCOMPLETE_P): Likewise.
993 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
994 (c_apply_type_quals_to_decl): New function.
995 (c_build_qualified_type): New function.
996 (c_build_type_variant): Define in terms of c_build_qualified_type.
997 (flag_isoc9x): Declare.
998 * c-typeck.c (qualify_type): Use c_build_qualified_type.
999 (common_type): Change to use TYPE_QUALS.
1000 (comptypes): Likewise.
1001 (convert_for_assignment): Likewise.
1002 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
1003 * c-decl.c (flag_isoc9x): Define.
1004 (c_decode_option): Handle -flang-isoc9x.
1005 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
1006 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
1007 * c-lex.c (init_lex): Deal with restrict.
1008 (init_lex): Don't treat restrict as a reserved word in
1009 -traditional mode, or without -flang-isoc9x.
1010 * c-lex.h (rid): Add RID_RESTRICT.
1011 * c-parse.gperf (restrict, __restrict, __restrict__): Make
1012 equivalent to RID_RESTRICT.
1013 * c-parse.in (TYPE_QUAL): Update comment.
1014 * c-common.c: Include rtl.h.
1015 (c_find_base_decl): New function.
1016 (c_build_type_variant): Rename, and modify, to become ...
1017 (c_build_qualified_type): New function.
1018 (c_apply_type_quals_to_decl): Likewise.
1019 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1020 a particular alias set for the reference.
1021 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1023 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1025 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1026 command line switches.
1028 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1030 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1033 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1035 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1037 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1039 * regclass.c (fix_register): Add error message.
1040 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1043 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1045 * c-decl.c (warn_missing_noreturn): New global variable.
1046 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1047 (finish_function): Implement missing noreturn warning.
1049 * c-tree.h (warn_missing_noreturn): Declare extern.
1051 * invoke.texi: Document new flags.
1053 * toplev.c (documented_lang_options): Add description.
1055 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1057 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1058 loop optimization stable for the C4x.
1059 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1060 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1061 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1063 (c4x_address_conflict): Be more paranoid when packing a volatile
1064 memref in a parallel load/store.
1066 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1068 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1069 repeat_block_filler): Deleted.
1070 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1071 Condition code not set if destination register from 'c' class.
1072 (*subbqi3_carry_clobber): Fix typo.
1074 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1076 * reorg.c (steal_delay_list_from_target) Check for insns that
1077 modify the condition codes and effect the direction of the jump
1080 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1082 * function.c (purge_addressof_1): Replace call to
1083 emit_insns_before() with emit_insn_before().
1085 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1087 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1089 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1091 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1093 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1095 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1096 clobbered across calls.
1098 * loop.c (scan_loop): Be more selective about what invariants are
1099 moved out of a loop.
1101 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1103 * version.c: Bump for snapshot.
1105 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1107 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1108 static eh_context structure.
1110 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1112 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1114 (try_combine): Don't update max_scratch.
1115 * flow.c (max_scratch, num_scratch): Delete variables.
1116 (life_analysis_1): Don't initialize max_scratch.
1117 (propagate_block): Don't update max_scratch.
1118 (mark_set_1): Don't increment num_scratch.
1119 * regs.h (max_scratch): Delete declaration.
1121 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1123 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1124 is nonzero. This is temporary!
1126 * sched.c (update_flow_info): Handle death notes made invalid by
1127 instruction splitting. Partially reverts Oct 15, 1998 patch.
1128 * haifa-sched.c (update_flow_info): Likewise.
1130 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1132 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1133 if it has a nonzero DECL_INITIAL.
1135 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1137 * Makefile.in (flow.o): Depend on recog.h.
1139 * cpplib.h (directive_table): Add missing initializiers.
1140 (finclude): Change type of variable `bsize' to size_t.
1142 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1144 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1146 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1147 `int' when comparing against one.
1148 (cpp_file_line_for_message): Mark parameter `pfile' with
1150 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1152 * flow.c: Include recog.h.
1153 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1155 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1156 `f' with ATTRIBUTE_UNUSED.
1157 (reposition_prologue_and_epilogue_notes): Likewise.
1159 * genopinit.c (gen_insn): Cast argument of ctype functions to
1162 * haifa-sched.c: Include recog.h.
1163 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1164 comparing against one.
1166 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1168 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1170 (parse_ent): Likewise.
1171 (parse_input): Likewise.
1173 * optabs.c (init_libfuncs): Likewise.
1175 * protoize.c (find_rightmost_formals_list): Likewise.
1177 * recog.h (const_double_operand): Fix typo in prototype.
1179 * tlink.c (scan_linker_output): Cast the argument of ctype
1180 function to `unsigned char'.
1182 * toplev.c (check_lang_option): Cast the result of `strlen' to
1183 `int' when comparing against one.
1185 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1187 * gcse.c (dump_cuid_table): Correct typo.
1189 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1191 * toplev.c (display_help): Prepend '-m' to target specific
1193 (check_lang_option): Ignore text after end of first word of a
1194 language specific option.
1196 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1198 * reload1.c (reg_used_by_pseudo): New static variable.
1199 (choose_reload_regs): Initialize it.
1200 Use it instead of testing spill_reg_order to determine whether a
1201 pseudo is live in a hard register across the current insn.
1202 Fix a typo in a reference to reload_reg_rtx.
1204 * flow.c (propagate_block): Replace code that computes and uses
1205 regs_sometimes_live with simpler code that just walks the set of
1206 currently live registers.
1208 * Makefile.in (insn-extract.o): Fix dependencies.
1209 * genextract.c (main): Generate includes for insn-config.h and
1211 Delete generation of declarations which are now in recog.h.
1212 * genrecog.c (main): Delete generation of definitions which are
1214 * local-alloc.c (block_alloc): Use extract_insn and the variables
1215 it sets up instead of looking up values by insn_code.
1216 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1217 recog_dup_num): Define here instead of generating the definition in
1219 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1220 recog_operand_mode, recog_constraints, recog_operand_address_p):
1222 (extract_insn): New function.
1223 * recog.h (extract_insn): Declare function.
1224 (which_alternative, recog_n_operands, recog_n_dups,
1225 recog_n_alternatives, recog_operand_mode, recog_constraints,
1226 recog_operand_address_p): Declare variables.
1227 * regclass.c (n_occurrences): New static function.
1228 * reload.c (n_occurrences): Delete function.
1229 (find_reloads): Use extract_insn.
1230 * reload.h (n_occurrences): Delete declaration.
1232 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1234 * reload1.c (reload_as_needed): Fix test for when to call
1235 update_eliminable_offsets.
1237 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1239 Fix consistency problems with reg_equiv_{mem,address};
1240 Improve reload inheritance;
1242 * reload.c (reload_out_reg): New variable.
1243 (loc_mentioned_in_p, remove_address_replacements): New functions.
1244 (remove_replacements): Deleted.
1245 (push_reload): Set reload_out_reg[i].
1246 When merging, also set reload_{in,out}_reg[i], and remove
1247 duplicate address reloads.
1248 (combine_reloads): Copy reload_out_reg[i].
1249 (find_reloads): Do make_memloc substitution also when
1250 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1252 Include *recog_operand_loc in commutativity operand changes.
1253 Generate optional output reloads.
1254 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1255 processing operands. Call make_memloc in reg_equiv_address code.
1256 Set *recog_operand_loc only after processing operands, and only
1257 if replace is true. Return a value.
1258 When changing address reload types for operands that didn't get
1259 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1260 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1261 Don't emit USEs for pseudo SUBREGs when not replacing.
1262 (find_reloads_address): Do make_memloc substitution also when
1263 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1265 (find_reloads_toplev): Likewise.
1266 Call make_memloc in reg_equiv_address code.
1267 (debug_reload_to_stream): Add code to output reload_out_reg.
1268 (make_memloc): Delete local variable i, ifdefed out code, and
1269 references to memlocs and n_memlocs.
1270 (memlocs, n_memlocs): Delete.
1271 (push_secondary_reload): Clear reload_out_reg.
1272 (find_reloads_address_1): Provide memrefloc argument to all calls
1273 to find_reloads_address.
1274 In AUTO_INC code, handle non-directly addressable equivalences properly.
1275 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1276 (find_reloads): Add return type.
1277 (remove_address_replacements, deallocate_reload_reg): Declare.
1278 * reload1.c (num_not_at_initial_offset): No longer static.
1279 (delete_address_reloads, delete_address_reloads_1): Likewise.
1280 (deallocate_reload_reg): New function.
1281 (spill_reg_stored_to): New array.
1282 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1283 (eliminate_regs_in_insn): Move assignments of previous_offset and
1284 max_offset fields, and recalculation of num_not_at_initial_offset
1285 into new static function:
1286 (update_eliminable_offsets) .
1287 (reload_as_needed): Call update_eliminable_offsetss after calling
1289 Call forget_old_reloads_1 with contents of reloaded auto_inc
1290 expressions if the actual addressing can't be changed to match the
1292 (choose_reload_regs): For inheritance, replace
1293 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1294 remove stand-alone reload_reg_used_at_all test.
1295 Use reload_out_reg to determine which reload regs have output reloads.
1296 Treat reload_override_in more similar to inherited reloads.
1297 Handle (subreg (reg... for inheritance.
1298 For flag_expensive_optimizations, add an extra pass to remove
1299 unnecessary reloads from known working inheritance.
1300 Delete obsolete code for pseudos replaced with MEMs.
1301 Handle inheritance from auto_inc expressions.
1302 (emit_reload_insns): If reload_in is a MEM, set OLD to
1304 Don't reload directly from oldequiv; if it's a pseudo with a
1305 stack slot, use reload_in[j].
1306 Check that reload_in_reg[j] is a MEM before replacing reload_in
1307 from reg_reloaded_contents.
1308 Include non-spill registers in reload inheritance processing.
1309 Also try to use reload_out_reg to set spill_reg_store /
1310 reg_last_reload_reg.
1311 In code to set new_spill_reg_store, use single_set to find out if
1312 there is a single set.
1313 Add code that allows to delete optional output reloads.
1314 Add code to allow deletion of output reloads that use no spill reg.
1315 At the end, set reload_override_in to oldequiv.
1316 Also call delete_output_reload if reload_out_reg is equal to old
1318 Add code to call delete_output_reload for stores with no matching load.
1319 Set / use spill_reg_stored_to.
1320 Handle case where secondary output reload uses a temporary, but
1321 actual store isn't found.
1322 When looking for a store of a value not loaded in order to call
1323 delete_output_reload, count_occurences should return 0 for no
1324 loads; but discount inherited input reloadill_reg_stored_to.
1325 Do checks for extra uses of REG. Changed all
1327 Use delete_address_reloads.
1328 (reload): Take return value of find_reloads into account.
1329 If a no-op set needs more than one reload, delete it.
1330 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1331 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1332 for the same operand.
1333 (clear_reload_reg_in_use): Check for other reloads that keep a
1335 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1336 RELOAD_FOR_OPADDR_ADDR.
1337 Take into account when an address address reload is only needed
1338 for the address reload we are considering.
1339 (count_occurrences): Use rtx_equal_p for MEMs.
1340 (inc_for_reload): Return instruction that stores into RELOADREG.
1341 New argument two, IN, and rtx. Changed all callers.
1342 (calculate_needs_all_insns, reload_as_needed):
1343 Don't clear after_call for a CLOBBER.
1344 Keep track of how many hard registers need to be copied from
1345 after_call, and don't clear after_call before we have seen
1346 that much copies, or we see a different instruction.
1348 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1350 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1351 after reload has completed.
1353 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1355 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1356 a macro name and the next token with a single blank if that whitespace
1357 is in a macro buffer and the next token is not '('.
1359 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1361 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1363 (skip_if_group): Ditto.
1364 (skip_to_end_of_comment): Ditto.
1366 (discard_comments): Ditto.
1367 (change_newlines): Ditto.
1369 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1371 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1373 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1375 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1376 (TARGET_OPTIONS): Add --help documentation.
1378 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1380 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1382 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1384 * fixinc/* Moved in from ../contrib directory in preparation
1385 for integrating it into the normal build process. In particular,
1386 fixinc/Makefile.in must be config-ed into the build directory
1387 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1388 ./configure.in will be "in the mail" momentarily.
1390 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1392 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1393 accidently walk into the free list. Comment how that can happen.
1394 (invalidate): Fix indentation.
1396 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1397 Jeffrey A Law (law@cygnus.com)
1399 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1400 reload. Never perform rescans of the insn chain after reload.
1401 (propagate_block): Do not delete insn or create new autoinc addressing
1404 * jump.c (jump_optimize): Unconditionally use the code that was
1405 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1406 * reload1.c (reload): When reloading is finished, delete all
1407 REG_DEAD and REG_UNUSED notes.
1408 (emit_reload_insns): Delete all code that was conditional on
1409 PRESERVE_DEATH_INFO_REGNO_P.
1410 (no_longer_dead_regs): Delete variable.
1411 (reload_cse_delete_death_notes): Delete function.
1412 (reload_cse_no_longer_dead): Delete function.
1413 (reload_cse_regs_1): Delete all code to handle deletion of death
1415 (reload_cse_noop_set_p): Likewise.
1416 (reload_cse_simplify_set): Likewise.
1417 (reload_cse_simplify_operands): Likewise.
1418 (reload_cse_move2add): Likewise.
1419 * reorg.c (used_spill_regs): Delete declaration.
1420 (max_label_num_after_reload): Delete declaration.
1421 (find_dead_or_set_registers): Don't assume that spill regs are
1422 dead at a CODE_LABEL.
1423 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1425 * sched.c (sched_analyze_insn): Likewise.
1426 (update_flow_info): Likewise.
1427 * haifa-sched.c (sched_analyze_insn): Likewise.
1428 (update_flow_info): Likewise.
1429 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1430 * toplev.c (max_label_num_after_reload): Delete variable.
1431 (rest_of_compilation): Don't set max_label_num_after_reload.
1432 Call life_analysis after reload_cse_regs if optimizing.
1433 * config/gmicro/gmicro.h: Delete comment referring to
1434 PRESERVE_DEATH_INFO_REGNO_P.
1435 * config/i386/i386.h: Likewise.
1436 * config/m88k/m88k.h: Likewise.
1437 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1438 * config/sh/sh.h: Likewise.
1440 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1442 * loop.c (strength_reduce): Restore marking bct_p as
1444 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1445 HAVE_decrement_and_branch_on_count.
1446 (small_data_operand): Remove TARGET_ELF condition for marking
1447 parameters ATTRIBUTE_UNUSED.
1449 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1451 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1452 (SELECT_SECTION): Resync with svr4.h.
1454 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1456 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1459 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1461 * c-pragma.c (handle_pragma_token): Test for null tree before
1462 dereferencing TREE_CODE.
1464 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1466 * config/c4x/c4x.c: Convert to use GEN_INT.
1467 (c4x_parallel_process): Rework to handle new repeat loop structure.
1469 * config/c4x/c4x.md: Convert to use GEN_INT.
1470 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1471 (decrement_and_branch_on_count): Likewise.
1473 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1474 loop.c has the desired functionality.
1475 (rc_reg_operand): New prototype.
1477 * config/c4x/t-c4x: Can now build all front ends.
1479 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1481 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1483 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1485 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1486 * config/t-rtems: Do not install assert.h -- use newlib's.
1488 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1490 * combine.c (combine_instructions): When finished, call init_recog.
1491 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1493 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1495 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1497 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1499 * cppalloc.c (memory_full): Mark function prototype with
1502 * demangle.h (collect_exit): Likewise.
1504 * fix-header.c (v_fatal, fatal): Likewise.
1506 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1509 * gcov.c (print_usage): Likewise.
1511 * genattr.c (fatal, fancy_abort): Likewise.
1513 * genattrtab.c (fatal, fancy_abort): Likewise.
1515 * gencodes.c (fatal, fancy_abort): Likewise.
1517 * genconfig.c (fatal, fancy_abort): Likewise.
1519 * genemit.c (fatal, fancy_abort): Likewise.
1521 * genextract.c (fatal, fancy_abort): Likewise.
1523 * genflags.c (fatal, fancy_abort): Likewise.
1525 * genopinit.c (fatal, fancy_abort): Likewise.
1527 * genoutput.c (fatal, fancy_abort): Likewise.
1529 * genpeep.c (fatal, fancy_abort): Likewise.
1531 * genrecog.c (fatal, fancy_abort): Likewise.
1533 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1534 __sjpopnthrow, __throw): Likewise.
1536 * objc/objc-act.c (objc_fatal): Likewise.
1538 * protoize.c (usage, aux_info_corrupted,
1539 declare_source_confusing): Likewise.
1541 * rtl.c (dump_and_abort): Likewise.
1543 * rtl.h (sets_cc0_p): Likewise.
1545 * toplev.c (float_signal, pipe_closed): Likewise.
1547 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1549 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1550 when generating the decision tree for the general case.
1552 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1553 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1555 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * Makefile.in (sched.o): Depend on recog.h.
1559 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1560 (unsigned) when comparing against one.
1561 (find_base_value): Likewise.
1562 (record_base_value): Cast variable `regno' to (unsigned) when
1563 comparing against one. Cast the result of REGNO() macro to
1564 (unsigned) when comparing against one.
1565 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1567 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1568 variable where an unsigned index is needed.
1570 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1571 before comparing against one.
1573 * collect2.c: Add prototypes for functions `error', `fatal' and
1574 `fatal_perror'. Make these functions take variable arguments
1575 instead of faking it with a fixed number of args.
1576 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1579 * combine.c (can_combine_p): Mark parameter `pred' with
1581 (find_split_point): Cast variable `src' to (unsigned
1582 HOST_WIDE_INT) when comparing against one.
1583 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1584 (simplify_logical): Likewise.
1585 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1586 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1587 HOST_WIDE_INT) in shift.
1588 (simplify_and_const_int): Cast result of INTVAL() macro to
1589 `unsigned HOST_WIDE_INT' when comparing against one.
1590 (merge_outer_ops): Cast variable const0 to `unsigned
1591 HOST_WIDE_INT' when comparing against the result of
1592 GET_MODE_MASK() macro.
1593 (simplify_comparison): Likewise for variable `c0'. Cast variable
1594 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1595 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1596 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1597 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1598 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1599 comparing against one.
1600 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1602 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1603 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1604 (output_block_move): Cast `sizeof' expression to (int) when
1605 comparing against one.
1606 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1608 (save_restore_insns): Cast `base_offset' to `long' to match format
1609 specifier in fprintf.
1611 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1612 to `enum machine_mode'.
1614 * flow.c (life_analysis_1): Remove unused variable `insn'.
1616 * gcc.c (translate_options): Move variables `j' and `k' into the
1617 scope in which they are used. Change their types to `size_t'.
1618 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1619 (read_specs): Likewise.
1620 (process_command): Cast `sizeof' to (int) when comparing against one.
1621 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1622 (handle_braces): Cast both sides of `==' expression to `long' to
1623 ensure sign matching.
1624 (main): Cast variable `i' to `int' when comparing against one.
1626 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1627 int to size_t. Cast variable `i' to size_t when comparing against
1630 * genattrtab.c (convert_set_attr_alternative): Remove unused
1631 parameter `insn_code'. All callers changed.
1632 (convert_set_attr): Likewise.
1634 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1635 size_t when comparing against one. Likewise for variable `len'.
1637 * global.c (global_alloc): Cast variable `max_regno' to size_t
1638 when comparing against one. Likewise for variable `max_allocno'.
1640 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1642 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1643 `set' with ATTRIBUTE_UNUSED.
1644 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1647 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1648 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1649 (get_condition): Cast variable `const_val' to `unsigned
1650 HOST_WIDE_INT' when comparing against one. Cast unsigned
1651 expression to HOST_WIDE_INT when comparing against one.
1652 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1653 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1654 `unsigned' when comparing against one.
1656 * protoize.c (is_id_char): Change type of parameter `ch' to
1658 (munge_compile_params): Cast argument of ctype macro to (const
1660 (process_aux_info_file): Cast variable `aux_info_size' to int when
1661 comparing against one.
1662 (forward_to_next_token_char): Cast argument of ctype macro to
1663 `const unsigned char'.
1664 (edit_formals_lists): Likewise.
1665 (find_rightmost_formals_list): Likewise.
1666 (add_local_decl): Likewise.
1667 (add_global_decls): Likewise.
1668 (edit_fn_definition): Likewise.
1669 (do_cleaning): Likewise.
1670 (scan_for_missed_items): Likewise.
1671 (edit_file): Cast variable `orig_size' to (int) when comparing
1673 (main): Cast argument of ctype macro to `const unsigned char'.
1675 * recog.c (const_int_operand): Mark parameter `mode' with
1678 * regclass.c (record_reg_classes): Change type of variable `c' to
1679 `unsigned char'. Cast `char' array index to `unsigned char'.
1681 * reload.c (push_secondary_reload): Cast argument to
1682 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1684 * reload1.c (calculate_needs): Cast `char' array index to
1686 (set_label_offsets): Change type of variable `i' to unsigned int.
1687 Cast result of XVECLEN() macro to unsigned when comparing against
1689 (mark_not_eliminable): Change type of variable `i' to unsigned.
1690 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1691 when comparing against one.
1692 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1693 comparing against one.
1694 (choose_reload_regs): Hide unused label `fail'.
1695 (reload_cse_simplify_operands): Cast `char' array index to
1697 (reload_combine_note_store): Mark parameter `set' with
1698 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1700 (reload_cse_move2add): Remove unused variable `src2'.
1702 * sched.c: Include recog.h.
1703 (sched_note_set): Remove unused parameter `b'. All callers
1705 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1706 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1707 when comparing against one.
1709 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1710 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1711 comparing against one.
1713 * unroll.c (precondition_loop_p): Remove unused parameter
1714 `loop_end'. All callers changed.
1716 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1718 * reload1.c (maybe_fix_stack_asms): New static function.
1721 * reload.h (compute_use_by_pseudos): Declare.
1723 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1724 (something_needs_reloads): Delete variable.
1725 (finish_spills): New function.
1726 (compute_use_by_pseudos): New function.
1728 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1729 Use the reload_insn_chain instead of walking the rtl directly.
1731 (reload): Allocate and free spilled_pseudos.
1732 Ensure that all calls of spill_hard_reg are followed by a call to
1734 Use the insns_need_reload list instead of something_needs_reloads
1735 to find out if reload_as_needed must be called.
1736 Clear unused_insn_chains at the end.
1738 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1740 Delete code to keep track of current basic block.
1741 Walk reload_insn_chain instead of the rtl structure. Build the
1742 insns_need_reload chain.
1743 Remember which insns need reloading/elimination by setting the
1744 appropriate fields in struct insn_chain, not by putting modes on the
1747 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1748 arg INSN. All callers changed.
1749 Delete declaration of struct needs.
1750 Don't set something_needs_reloads.
1751 Record insn needs in the CHAIN argument.
1753 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1755 (reload_as_needed): Lose FIRST arg. All callers changed.
1756 Walk the reload_insn_chain instead of the rtx structure.
1757 Delete code to keep track of current basic block.
1758 Rename one of the NEXT variables to OLD_NEXT.
1760 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1762 (choose_reload_regs): Likewise.
1764 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1767 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1768 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1769 (hard_regs_live, hard_regs_need_restore): Delete variables.
1770 (n_regs_saved): Now static.
1771 (referenced_regs, this_insn_sets): New variables.
1773 (setup_save_areas): Restructure the code a bit.
1775 (restore_referenced_regs): Delete function.
1776 (mark_referenced_regs): New function, similar to the old
1777 restore_referenced_regs, but mark registers in referenced_regs.
1779 (clear_reg_live): Delete function.
1780 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1781 Only mark registers in this_insn_sets.
1783 (save_call_clobbered_regs): Rework this function to walk the
1784 reload_insn_chain instead of using the list of instructions directly.
1785 Delete code to keep track of register lives, compute live regs on the
1786 fly from information in the chain.
1787 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1788 then walk the set it computes and call insert_restore as appropriate.
1790 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1792 Restructure the code a bit. Test hard_regs_saved instead of
1793 hard_regs_need_restore.
1794 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1795 args. All callers changed.
1796 Restructure the code a bit. Use TO_SAVE to determine which regs to
1797 save instead of more complicated test.
1798 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1800 Create a new insn_chain structure for the new insn and place it
1803 * rtl.texi: Update documentation to reflect that reload no longer
1804 puts modes on the insns.
1806 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1808 * function.c (purge_addressof_1): Force the first argument of a
1809 CALL insn to memory.
1811 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1813 * rtl.h: Delete duplicate prototypes. Add some missing
1815 * rtlanal.c: (for_each_rtx): Formatting tweak.
1817 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1819 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1820 to be compatible with TI compiler.
1822 * Makefile.in (USER_H): Add va-c4x.h to definition.
1824 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1826 * function.c (purge_addressof_1): Fix typo in inequality: do
1827 bitfield optimization for equal mode sizes.
1828 * expmed.c (store_bit_field): Don't take subregs of subregs in
1829 the movstrict case. Tidy a potential problem in the multi-word case.
1830 (extract_bit_field): Likewise.
1832 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1834 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1836 Compute max_uid_for_flow by calling get_max_uid after the scan.
1837 (find_basic_blocks_1): Don't emit NOPs here.
1839 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1841 * alias.c (base_alias_check): Accept new args for the modes of the
1842 two references. Use them to determine if an AND can overlap. Update
1844 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1845 to determine if an AND can overlap.
1847 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1849 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1850 check. Add comment to document problems with TARGET_SUN_FPA version
1852 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1854 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1856 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1858 * c-common.c (print_char_table): Add missing initializers.
1859 (scan_char_table): Likewise.
1860 (time_char_table): Likewise.
1862 * c-decl.c (c_decode_option): Mark parameter `argc' with
1864 (declare_parm_level): Mark parameter `definition_flag' with
1867 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1868 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1871 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1873 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1875 (expand_call): Cast result of MIN() to (unsigned int) when
1876 comparing against an unsigned value.
1878 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1880 (make_definition): Remove unused parameter `op'. All callers
1882 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1883 comparing against the result of pointer arithmetic.
1885 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1886 when comparing against one.
1888 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1889 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1891 (output_die): Move variable `i' into the scope in which it is
1892 used. Change its type to `unsigned'.
1893 (output_die): Cast the result of `strlen' to (int) when passing it
1894 to ASM_OUTPUT_ASCII().
1895 (output_pubnames): Likewise.
1896 (output_line_info): Likewise.
1898 * emit-rtl.c (global_rtl): Add missing initializers.
1900 * explow.c (promote_mode): Mark parameter `for_call' with
1903 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1904 `unsigned HOST_WIDE_INT' when comparing against one.
1905 (synth_mult): Change type of variable `cost' to int.
1906 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1908 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1909 when comparing against one.
1910 (get_inner_reference): Change variable `alignment' to unsigned.
1911 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1912 int) when comparing against one.
1913 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1915 * fold-const.c (div_and_round_double): Cast BASE to
1916 (HOST_WIDE_INT) when comparing against one.
1918 * gencheck.c: Include gansidecl.h.
1919 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1921 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1922 `tcode' with ATTRIBUTE_UNUSED.
1924 * real.c (edivm): Cast constant value to (unsigned long) in
1925 expression compared against an unsigned value.
1927 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1928 comparing against one.
1929 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1930 when comparing against one.
1932 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1933 (unsigned int) when comparing against one. Likewise for
1935 (smallest_mode_for_size): Likewise.
1936 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1937 (restore_storage_status): Likewise.
1939 * toplev.c (debug_args): Add missing initializer.
1940 (f_options): Spelling correction. Add missing initializers.
1941 (documented_lang_options): Likewise.
1942 (debug_end_source_file): Mark parameter `lineno' with
1945 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1946 `decl' and `type' with ATTRIBUTE_UNUSED.
1948 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1949 when comparing against one.
1950 (assemble_variable): Mark parameter `top_level' with
1952 (assemble_external_libcall): Mark parameter `fun' with
1954 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1957 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1959 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1960 Replace use of r5 with use of r19.
1962 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1964 * config/v850/v850.c (compute_register_save_size): Allow for the
1965 fact that helper functions save all registers, not just those used
1968 Replace constant 31 with macro LINK_POINTER_REGNUM.
1970 * config/v850/v850.md: Use 'indirect_operand' rather than
1971 'memory_operand' for bit test/set/clear patterns.
1973 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1975 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1976 * varasm.c (assemble_start_function et al): Don't call
1977 ASM_GLOBALIZE_LABEL for weak symbols.
1979 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1981 * cse.c (equiv_constant): Check for NULL return from
1982 gen_lowpart_if_possible().
1984 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1986 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1988 * collect2.c (main): Pass -EL/-EB through to the compiler.
1990 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1992 * expr.c (push_block): Handle targets where the stack grows
1993 to higher addresses, but args grow to lower addresses and
1994 ACCUMULATE_OUTGOING_ARGS is not defined.
1996 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1998 * config/v850/v850.c (print_operand): Extend meaning
1999 of 'c' operands to support .vtinherit.
2001 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2003 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
2004 Added ATTRIBUTE_UNUSED to unused function arguments.
2005 (rc_reg_operand): New predicate.
2006 (c4x_rptb_insert): New function.
2007 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
2008 (c4x_optimization_options): New function.
2010 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
2011 (decrement_and_branch_on_count): New pattern.
2012 (rptb_top): Modified pattern to work with BCT optimization.
2014 * config/c4x/c4x.h (RC_REG): New register class.
2015 (rc_reg_operand): Define prototype.
2016 (IS_RC_REG): New macro.
2017 (IS_RC_OR_PSEUDO_REG): New macro.
2018 (IS_RC_OR_PSEUDO_REGNO): New macro.
2019 (OPTIMIZATION_OPTIONS): Define.
2021 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2023 * collect2.c (extract_init_priority): No priority is 65535.
2025 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2027 * Makefile.in (build_tooldir): new variable, same as old
2028 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2029 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2030 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2032 * configure.in (gxx_include_dir): set default based on unlibsubdir
2033 * Makefile.in (tooldir): ditto
2034 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2035 gxx_include_dir, includedir and tooldir
2036 (protoize.o, unprotoize.o): ditto
2038 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2040 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2042 * config/arm/thumb.c (thumb_override_options): Add warning about
2043 PIC code not being supported just yet.
2045 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2047 * flow.c: Update comment.
2048 (notice_stack_pointer_modification): New static function.
2049 (record_volatile_insns): Use it.
2050 (mark_regs_live_at_end): Mark the stack pointer as alive
2051 at the end of the function if current_function_sp_is_unchanging
2053 (life_analysis_1): Set current_function_sp_is_unchanging.
2054 * function.c: Define it.
2055 (init_function_start): Initialize it.
2056 * output.h: Declare it.
2057 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2058 the stack pointer as alive at the end of the function if
2059 current_function_sp_is_unchanging is set.
2060 * i386.c (ix86_epilogue): Optimize the restoring
2061 of the stack pointer.
2063 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2065 * version.c: Bump for snapshot.
2067 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2069 * c-pragma.c (handle_pragma_token): If passed a token instead
2070 of a tree, use that as the pack value.
2072 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2074 * flow.c (find_basic_blocks_1): Fix prototype.
2076 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2078 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2079 (struct tree_decl): New fields no_check_memory_usage.
2080 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2081 (init_attributes): Register it as a new attribute.
2082 (decl_attributes): Set flags on functions given that attribute.
2083 * c-decl.c (duplicate_decls): Merge new attribute.
2084 * expr.h (current_function_check_memory_usage): Declare new var.
2085 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2086 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2087 current_function_check_memory_usage.
2088 * function.h: Add field to struct function.
2089 * function.c (current_function_check_memory_usage): Define it.
2090 (push_function_context_to, pop_function_context_from): Save and
2092 (expand_function_start): Set it, based on global flag and function
2095 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2096 check non-automatic variables, to permit detection of writes to
2097 read-only locations in embedded systems without memory management.
2098 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2099 when emitting chkr_set_right_libfunc call, even if the argument is
2100 BLKmode or variable-sized; don't abort.
2102 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2103 symbols in Pmode, not VOIDmode.
2105 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2107 * cppexp.c: When forcing unsigned comparisons, cast both sides
2110 * cpphash.h: Move static declaration of hashtab[]...
2111 * cpphash.c: ...here.
2113 * cpplib.c: Cast difference of two pointers to size_t before
2114 comparing it to size_t. Cast signed to unsigned
2115 before comparing to size_t. (FIXME: struct argdata should use
2116 unsigned buffer sizes.)
2117 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2118 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2119 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2120 size_t before comparison.
2122 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2124 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2125 (find_basic_blocks_1): Similarly.
2126 * output.h (find_basic_blocks): Fix prototype.
2127 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2128 find_basic_blocks anymore.
2130 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2132 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2133 (sbitmap_free, sbitmap_vector_free): New macros.
2134 * output.h (rtl_dump_file): Declare.
2136 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2138 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2140 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2142 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2144 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2145 (divide): Remove unused variable `tmp'.
2146 (si_to_float): Cast numeric constant to (SItype) before comparing
2149 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2151 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2152 * gcc.c (add_preprocessor_option): Correct typo when allocating
2153 memory, sizeof() argument had one too many `*'.
2154 (add_assembler_option): Likewise.
2155 (add_linker_option): Likewise.
2156 * gcov.c (output_data): Likewise.
2157 * local-alloc.c (memref_used_between_p): Likewise.
2158 (update_equiv_regs): Likewise.
2159 * loop.c (strength_reduce): Likewise.
2160 * reg-stack.c (record_asm_reg_life): Likewise.
2161 (subst_asm_stack_reg): Likewise.
2162 * reorg.c (dbr_schedule): Likewise.
2164 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2166 * flow.c (life_analysis_1): Break out some functions.
2167 (find_basic_blocks_1): Likewise. Also move some variables out and
2169 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2170 new static var nonlocal_label_list with it.
2171 (active_eh_region, nested_eh_region, label_value_list,
2172 nonlocal_label_list): New static variables.
2173 (make_edges, delete_unreachable_blocks, delete_block): New static
2174 functions, broken out of find_basic_blocks_1.
2175 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2176 noop_move_p): New static functions, broken out of life_analysis_1.
2178 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2180 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2181 Take extra care for op0 now possibly being a subreg.
2182 (extract_bit_field): Likewise.
2183 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2184 the reg to memory if there is no equal sized integral mode.
2185 * stor-layout.c (int_mode_for_mode): New function.
2186 * machmode.h: Prototype it.
2188 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2190 * global.c (build_insn_chain): Verify no real insns exist past the
2191 end of the last basic block, then exit the loop.
2193 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2195 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2197 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2199 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2201 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2203 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2205 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2207 * flow.c (find_basic_blocks): Correctly determine when a call
2208 is within an exception region.
2210 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2212 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2214 * cpplib.h: Protect from multiple inclusions.
2215 * cpplib.c: Fix minor formatting problems.
2217 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2219 * jump.c (jump_optimize): Revert accidental patch.
2221 * Makefile.in (cpplib.o): Use unlibsubdir.
2223 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2225 * loop.c (get_condition): Allow combine when either compare is
2228 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2230 * version.c: Bump for snapshot.
2232 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2234 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2235 (init_lex): Initialize ridpointers[RID_BYREF].
2236 * c-lex.h (enum rid): Add RID_BYREF.
2237 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2238 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2239 (encode_type_qualifiers): Similarly
2240 * c-gperf.h: Rebuilt.
2242 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2244 * c-common.c (type_for_mode): Only return TItype nodes when
2245 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2246 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2247 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2248 (init_decl_processing): Only create TItype nodes when
2249 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2250 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2251 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2253 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2255 * stmt.c (n_occurrences): New static function.
2256 (expand_asm_operands): Verify that all constrains match in the
2257 number of alternatives.
2258 Verify that '+' or '=' are at the beginning of an output constraint.
2259 Don't allow '&' for input operands.
2260 Verify that '%' isn't written for the last operand.
2261 * reload.c (find_reloads): Abort if an asm is found with invalid
2262 constraints; all possible problems ought to be checked for earlier.
2264 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2266 * flags.h (flag_branch_on_count_reg): Always declare
2267 * toplev.c (flag_branch_on_count_reg): Likewise.
2268 * toplev.c: Fix typos.
2270 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2273 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2275 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2277 (find_basic_blocks_1): Add a nop to the end of a basic block when
2278 a trailing call insn does not have abnormal control flow.
2279 * gcse.c (pre_transpout): New variable.
2280 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2281 (compute_pre_transpout): Calculate it.
2282 (compute_pre_ppinout): Use it to eliminate impossible placements
2283 due to abnormal control flow through calls.
2284 (compute_pre_data): Call compute_pre_transpout.
2286 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2288 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2290 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2292 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2293 and matching define_insns): Tack on a `use' of the table label, so
2294 flow analysis will recognize a tablejump.
2296 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2298 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2299 always end basic blocks for abnormal edge reasons.
2301 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2303 * config/i386/i386.h: Remove definition of
2304 HANDLE_PRAGMA_PACK_PUSH_POP.
2306 * config/i386/go32.h: Add definition of
2307 HANDLE_PRAGMA_PACK_PUSH_POP.
2309 * config/i386/win32.h: Add definition of
2310 HANDLE_PRAGMA_PACK_PUSH_POP.
2312 * config/i386/cygwin32.h: Add definition of
2313 HANDLE_PRAGMA_PACK_PUSH_POP.
2315 * c-pragma.c (insert_pack_attributes): Do not insert
2316 attributes unless #pragma pack(push,<n>) is in effect.
2318 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2320 * expr.c (emit_group_store): Handle a PARALLEL destination.
2322 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2324 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2325 the new insns before the argument regs are loaded.
2327 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2330 (c-parse.gperf): Update comments describing invocation flags.
2331 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2333 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2335 * reload1.c (reload): Call free before clobbering the memory
2336 locations or constants pointers.
2338 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2340 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2341 for efficiency by checking whether we need to modify the current
2342 stack permission at all.
2343 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2344 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2345 __enable_execute_stack libcall here too if
2346 TRANSFER_FROM_TRAMPOLINE is defined.
2347 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2350 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2352 * Makefile.in (DRIVER_DEFINES): Remove last change.
2354 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2356 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2357 insns we're going to copy.
2358 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2360 * loop.c (count_one_set): Add prototype.
2362 * caller-save.c (restore_referenced_regs): Lose mode argument.
2363 (insert_save): Lose mode argument.
2364 (insert_restore): Lose mode argument.
2365 (insert_one_insn): Lose mode argument.
2366 (save_call_clobbered_regs): Lose mode argument.
2367 (setup_save_areas): Take no argument and return void. All callers
2369 Don't verify validity of memory addresses.
2370 * reload.h (setup_save_ares): Adjust prototype.
2371 (save_call_clobbered_regs): Likewise.
2372 * reload1.c (delete_caller_save_insns): New function.
2373 (caller_save_spill_class): Delete variable.
2374 (caller_save_group_size): Delete variable.
2375 (reload): Call setup_save_areas and save_call_clobbered_regs
2376 in the main loop, before calling calculate_needs_all_insns.
2377 Don't call save_call_clobbered_regs after the loop.
2378 Call delete_caller_save_insns at the end of an iteration if
2380 Delete code to manage caller_save_spill_class.
2381 Emit the final note before setting reload_first_uid.
2382 Simplify test that determines whether reload_as_needed gets run.
2383 (calculate_needs): Delete code to manage caller_save_spill_class.
2385 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2387 * collect2.c (main): Initialize ld_file_name.
2389 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2391 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2392 check for flag_function_sections.
2394 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2396 * cse.c (insert_regs): Fix bug in Sep 24 change.
2398 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2400 * flags.h (flag_dump_unnumbered): Declare.
2401 * toplev.c (flag_dump_unnumbered): Don't declare.
2402 * print-rtl.c (flags.h): Include.
2403 (print_rtl_single): Add return value.
2404 * rtl.h (print_rtl_single): Update declaration.
2405 * flow.c (flag_dump_unnumbered): Don't declare.
2406 (print_rtl_with_bb): Use return value of print_rtl_single.
2408 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2410 * loop.c (count_one_set): New static function, broken out of
2412 (count_loop_regs_set): Call it.
2413 * global.c (mark_reg_store): Handle clobbers here by not calling
2415 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2416 is in fact a clobber.
2417 * integrate.c (process_reg_param): New function, broken out of
2418 expand_inline_function.
2419 (expand_inline_function): Call it.
2422 * i386.md (addsidi3_1): Delete unused variable temp.
2423 (addsidi3_2): Likewise.
2424 (clstrstrsi): Delete unused variable addr1.
2426 * rtl.h: Don't declare any functions also declared in recog.h.
2428 * Makefile.in (stupid.o): Update dependencies.
2429 (global.o): Likewise.
2431 * global.c: Include reload.h
2432 (reg_becomes_live): New function.
2433 (reg_dies): New function.
2434 (build_insn_chain): New function.
2435 (global_alloc): Call build_insn_chain before calling reload.
2437 * reload.h (struct needs): New structure definition.
2438 (struct insn_chain): Likewise.
2439 (reload_insn_chain): Declare variable.
2440 (new_insn_chain): Declare function.
2443 * reload1.c (reload_startobj): New variable.
2444 (reload_insn_chain): New variable.
2445 (unused_insn_chains): New variable.
2446 (new_insn_chain): New function.
2447 (init_reload): Initialize reload_startobj, not reload_firstobj.
2448 (reload): Initialize reload_firstobj.
2449 Before returning, free everything on the reload_obstack.
2451 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2452 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2453 current_chain): New variables.
2454 (reg_where_born): Delete variable.
2455 (REG_WHERE_BORN): New macro.
2456 (find_clobbered_regs): New function.
2457 (stupid_life_analysis): Don't allocate/free reg_where_born.
2458 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2459 reg_where_dead_chain.
2460 Use REG_WHERE_BORN instead of reg_where_born.
2461 While processing the insns, build the reload_insn_chain with
2462 information about register lifetimes.
2463 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2464 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2466 Compute and information about birth and death of pseudo registers in
2467 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2468 Delete code to set elements of reg_where_born.
2470 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2472 * tree.def (GOTO_EXPR): Modified documentation.
2473 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2476 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2478 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2479 loop_final_value, loop_comparison_code): No longer static.
2480 (unroll_loop): Delete loop_start_value update.
2481 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2482 loop_final_value, loop_comparison_code): Extern.
2483 (loop_start_value): Delete extern.
2484 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2485 loop_comparison_value, loop_comparison_code): Delete.
2486 (loop_optimize): Remove initialization for deleted variables.
2487 (strength_reduce): Delete analyze_loop_iterations call. Only call
2488 insert_bct if flag_branch_count_on_reg set.
2489 (analyze_loop_iterations): Delete.
2490 (insert_bct): Remove iteration count calculation. Move checks for
2491 viable BCT optimization to here. Obtain iteration count from
2492 loop_iterations and correct for unrolling. Check for enough
2493 iteration to be beneficial. Comment out runtime iteration count
2495 (insert_bct): Print iteration count in dump file. Remove
2496 loop_var_mode and use word_mode directly.
2498 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2499 * rs6000.c (rs6000_override_options): Use it.
2500 (optimization_options): Enable use of flag_branch_on_count_reg.
2501 * rs6000.md (define_function_unit): Describe 604e.
2503 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2505 * loop.c (move_movables): Corrected threshold calculation for
2506 moved_once registers.
2508 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2510 * loop.c (combine_givs_p): Fix test for identical givs.
2512 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2514 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2515 call abort if the function is already defined.
2517 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2519 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2520 truncation is not a no-op.
2522 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2524 * version.c: Bump for snapshot.
2526 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2528 * version.c: Bump for snapshot.
2530 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2532 * expmed.c (expand_divmod): Don't widen for computing remainder
2533 if we seem to have a divmod pattern for needed mode.
2535 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2537 * cpplib.c (macroexpand): Correct off-by-one error in handling
2540 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2542 * combine.c (expand_field_assignment): Don't do bitwise operations
2543 on MODE_FLOAT; pun to MODE_INT if possible.
2545 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2546 scott snyder <snyder@d0sgif.fnal.gov>
2548 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2549 linker. Recognize mangled names in quotes.
2551 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2553 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2554 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2555 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2556 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2558 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2560 * function.c (purge_addressof_1): If trying to take a sub-word
2561 integral piece of a floating point mode, put it on the stack.
2563 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2565 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2567 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2569 * PROJECTS: Remove template friends.
2571 * collect2.c (sort_ids): Remove unused variable.
2573 * tm.texi (MATH_LIBRARY): Document.
2574 (NEED_MATH_LIBRARY): Remove.
2576 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2577 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2579 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2581 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2582 last_end to 0x7fffffff.
2584 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2586 * function.c (purge_addressof_1): Do not perform endianness
2587 corrections on bitpos, who we call will do it for us.
2589 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2591 * h8300.c (WORD_REG_USED): Fix typo.
2592 (initial_offset): Use WORD_REG_USED.
2594 * h8300.c (handle_pragma): Fix typo.
2596 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2598 * caller-save.c (insert_save_restore): Break this function up
2599 into new functions insert_restore, insert_save and insert_one_insn.
2600 All callers changed.
2601 (insert_restore): New function, mostly broken out of
2602 insert_save_restore.
2603 (insert_save): Likewise.
2604 (insert_one_insn): Likewise.
2605 (restore_referenced_regs): New argument BLOCK. All callers changed.
2606 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2607 in this function, do it in insert_one_insn instead.
2609 * reload1.c (reload): Break out some more pieces into separate
2611 (dump_needs): New function, broken out of reload.
2612 (set_initial_elim_offsets): Likewise.
2613 (init_elim_table): Likewise.
2614 (update_eliminables): Likewise.
2616 * global.c (global_alloc): Delete code to manage the scratch_list.
2617 * local-alloc.c (qty_scratch_rtx): Delete.
2618 (scratch_block): Delete.
2619 (scratch_list): Delete.
2620 (scratch_list_length): Delete.
2621 (scratch_index): Delete.
2622 (alloc_qty_for_scratch): Delete.
2623 (local-alloc): Update initialization of max_qty.
2624 Delete code to manage the scratch list.
2625 Delete code to allocate/initialize qty_scratch_rtx.
2626 (block_alloc): Don't allocate quantities for scratches.
2627 Delete code to manage the scratch list.
2628 * regs.h (scratch_list): Delete declaration.
2629 (scratch_block): Delete declaration.
2630 (scratch_list_length): Delete declaration.
2631 * reload1.c (reload): Delete code to manage the scratch list.
2632 (spill_hard_reg): Likewise.
2633 (mark_scratch_live): Delete.
2635 * recog.c (alter_subreg): Delete declaration.
2637 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2639 * Makefile.in (cccp.o): Fix typo in last patch.
2641 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2643 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2644 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2646 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2648 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2649 NULL_RTX as an argument.
2651 * Makefile.in (unlibsubdir): Define.
2652 (DRIVER_DEFINES): Use unlibsubdir.
2653 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2654 (stmp-fixinc): Similarly.
2656 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2658 * regmove.c (regmove_optimize): Add variable old_max_uid.
2659 At the end of the function, update basic_block_end.
2661 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2663 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2664 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2667 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2669 * config/arm/arm.c: Improve interworking support.
2671 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2673 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2674 copied from reload_out[r] .
2676 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2678 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2679 with more than three size ranges.
2681 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2683 * rtl.c (mode_name): Add a null string at the end of the array.
2684 (mode_wider_mode): Change type to unsigned char.
2685 (mode_mask_array): New variable.
2686 (init_rtl): Update for mode_wider_mode type change.
2688 * rtl.h (mode_wider_mode): Change type to unsigned char.
2689 (mode_mask_array): Declare.
2690 (GET_MODE_MASK): Use mode_mask_array.
2692 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2694 * calls.c (expand_call) : Encapsulate code into
2695 copy_blkmode_from_reg.
2696 * expr.c (copy_blkmode_from_reg): New function.
2697 * expr.h (copy_blkmode_from_reg): New function.
2698 * integrate.c (function_cannot_inline_p): We can inline
2700 (expand_inline_function): Use copy_blkmode_from_reg
2701 if needed. Avoid creating BLKmode REGs.
2702 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2705 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2707 * config/v850/v850.c: Add function prototypes.
2708 Add support for v850 special data areas.
2710 * config/v850/v850.h: Add support for v850 special data areas.
2712 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2713 HANDLE_PRAGMA_PACK_PUSH_POP.
2714 (push_alignment): New function: Cache an alignment requested
2715 by a #pragma pack(push,<n>).
2716 (pop_alignment): New function: Pop an alignment from the
2718 (insert_pack_attributes): New function: Generate __packed__
2719 and __aligned__ attributes for new decls whilst a #pragma pack
2721 (add_weak): New function: Cache a #pragma weak directive.
2722 (handle_pragma_token): Document calling conventions. Add
2723 support for #pragma pack(push,<n>) and #pragma pack (pop).
2725 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2726 are defined enable HANDLE_PRAGMA_PACK.
2727 Move 'struct weak_syms' here (from varasm.c).
2728 Add pragma states for push and pop pragmas.
2730 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2733 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2734 HANDLE_GENERIC_PRAGMAS.
2736 * varasm.c: Move definition of 'struct weak_syms' into
2738 (handle_pragma_weak): Deleted.
2740 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2742 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2744 * c-decl.c (start_function): Add invocation of
2745 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2747 * tm.texi: Remove description of non-existant macro
2748 SET_DEFAULT_SECTION_NAME.
2750 (HANDLE_SYSV_PRAGMA): Document.
2751 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2753 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2755 * config.sub: Recognize i[34567]86-pc-udk as new target.
2756 * configure.in: Likewise.
2757 * config/i386/t-udk: New file.
2758 * config/i386/udk.h: New file.
2760 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2762 * reorg.c (check_annul_list_true_false): Remove unused variables.
2763 (steal_delay_list_from_target): Add missing "used_annul" variable.
2764 (try_merge_delay_insns): Close out half formed comment.
2766 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2768 * cpplib.c (macroexpand): If arg->raw_before or
2769 arg->raw_after, remove any no-reexpansion escape at the
2770 beginning of the pasted token. Correct handling of whitespace
2771 markers and no-reexpand markers at the end if arg->raw_after.
2773 * toplev.c (documented_lang_options): Recognize -include,
2774 -imacros, -iwithprefix, -iwithprefixbefore.
2775 * cpplib.c (cpp_start_read): Process -imacros and -include
2776 switches at the same time and in command-line order, after
2777 initializing the dependency-output code. Emit properly nested
2778 #line directives for them. Emit a #line for the main file
2779 before processing these switches, and don't do it again
2782 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2784 * function.c (purge_addressof_1): Use bitfield manipulation
2785 routines to handle mem mode < reg mode.
2787 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2789 * reorg.c (try_merge_delay_insns): Account for resources referenced
2790 in each instruction in INSN's delay list before trying to eliminate
2791 useless instructions. Similarly when looking at a trial insn's delay
2794 * reorg.c (check_annul_list_true_false): New function.
2795 (steal_delay_list_from_{target,fallthrough}): Call it and also
2796 refine tests for when we may annul if already filled a slot.
2797 (fill_slots_from_thread): Likewise.
2798 (delete_from_delay_slot): Return newly-created thread.
2799 (try_merge_delay_isns): Use its new return value.
2801 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2803 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2804 used to compute a giv or as some other non-counting use.
2806 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2808 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2809 * local-alloc.c (find_free_reg): Use it.
2810 * global.c (find_reg): Likewise.
2811 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2813 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2814 * caller-save.c (init_caller_save): Use it.
2815 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2817 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2819 * configure.in: Add --enable-cpplib option which uses cpplib
2820 for cpp, but doesn't link cpplib into cc1. Make help text
2821 capitalization consistent.
2822 * configure: Rebuilt.
2824 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2826 * function.c (gen_mem_addressof): If the address REG is
2827 REG_USERVAR_P make the new REG be so also.
2828 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2829 in an attempt to clarify slightly.
2831 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2833 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2834 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2836 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2838 * toplev.c: Fix last patch.
2840 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2842 * loop.c (get_condition): Fix typo in May 9 change.
2844 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2846 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2848 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2850 * toplev.c (documented_lang_options): Spelling corrections.
2852 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2854 * configure.in: new flags --with-ld and --with-as, equivalent
2855 to setting LD and AS environment variables. Test whether
2856 specified arguments are GNU commands, and report them with
2857 checking messages. Use the specified AS for configure
2860 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2862 * gcc.c (find_a_file): when looking for `as' and `ld', return
2863 the DEFAULT program if it exists
2864 * collect2.c (main): use DEFAULT_LINKER if it exists
2866 * gcc.c (find_a_file): the test for existence of a full
2867 pathname was reversed
2869 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2871 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2872 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2874 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2876 * tree.h (TYPE_BINFO): Document.
2878 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2880 * i386-coff.h (dbxcoff.h): Added.
2882 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2884 * toplev.c: fix bad patch around flag_data_sections.
2886 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2888 * reload1.c (reload): Use reload_address_index_reg_class and
2889 reload_address_base_reg_class when setting
2890 caller_save_spill_class. (Patch generated by Jim Wilson:
2893 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2895 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2896 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2897 * expr.c (store_field): Add alias_set parameter. Set the
2898 MEM_ALIAS_SET accordingly, if the target is a MEM.
2899 (expand_assignment): Use it.
2900 (store_constructor_field): Pass 0.
2901 (expand_expr): Likewise.
2903 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2905 * flags.h: Add flag_data_sections.
2906 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2907 (compile_file): Error if flag_data_sections not supported.
2908 * varasm.c (assemble_variable): Handle flag_data_sections.
2909 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2910 * config/mips/elf.h: Likewise.
2911 * config/mips/elf64.h: Likewise.
2912 * invoke.texi: Describe -fdata-sections.
2914 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2916 * invoke.texi (-ffloat-store): Clarify that this option
2917 does not affect intermediate results -- only variables.
2919 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2921 * cpp.texi: Update for Fortran usage from Craig.
2923 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2925 * rs6000.c (function_arg_boundary): Revert accidental change on
2928 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2930 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2931 (output_mi_thunk): Declare.
2933 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2934 (output_function_profiler): Use r12 for temp, instead of r11 so
2935 that we preserve the static chain register.
2937 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2939 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2941 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2943 * sh.c (gen_shl_sext): Fix case 5.
2945 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2947 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2949 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2951 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2952 accessing variables until they are initialized via va_arg().
2954 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2956 * reload1.c (reload_combine): Initialize set before using.
2958 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2960 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2963 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2965 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2966 operand3 with mask before using it. Patch provided by Jim Wilson.
2968 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2970 * config/sparc/sparc.c (function_value): Perform the equivalent of
2971 PROMOTE_MODE for ARCH64.
2972 (eligible_for_epilogue_delay): Allow DImode operations in delay
2973 slot of a return for ARCH64.
2975 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2977 * sh.md (sqrtsf2): Fix mode of sqrt.
2979 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2981 * reload1.c (choose_reload_regs): Also try inheritance when
2982 reload_in is a stack slot of a pseudo, even if we already got a
2985 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2987 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2988 (reload_cse_regs): New function body: call reload_cse_regs_1,
2989 reload_combine, reload_cse_move2add.
2990 When doing expensive_optimizations, call reload_cse_regs_1 a
2991 second time after reload_cse_move2add.
2992 (reload_combine, reload_combine_note_store): New functions.
2993 (reload_combine_note_use): New function.
2994 (reload_cse_move2add, move2add_note_store): New functions.
2996 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2998 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2999 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
3001 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
3002 more than 3 such reloads.
3004 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
3005 RELOAD_FOR_X_ADDR_ADDR reload.
3007 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3009 * expr.c (store_constructor): When initializing a field that is smaller
3010 than a word, at the start of a word, try to widen it to a full word.
3012 * cse.c (cse_insn): When we are about to change a register,
3013 remove any invalid references to it.
3015 (remove_invalid_subreg_refs): New function.
3016 (mention_regs): Special treatment for SUBREGs.
3017 (insert_regs): Don't strip SUBREG for call to mention_regs.
3018 Check if reg_tick needs to be bumped up before that call.
3019 (lookup_as_function): Try to match known word_mode constants when
3020 looking for a norrower constant.
3021 (canon_hash): Special treatment for SUBREGs.
3023 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3025 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3026 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3027 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3028 and offsets in actual stack trampoline code so they match the
3029 commentary and actually work.
3031 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3033 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3035 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3036 tmake_file. Set extra_parts to needed crt objects.
3037 * configure: Rebuilt.
3038 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3039 (TARGET_DEFAULT): Set if default is v9 or ultra.
3040 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3041 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3042 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3043 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3044 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3045 (TARGET_VERSION): Define.
3046 (MULTILIB_DEFAULT): Define.
3047 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3048 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3049 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3051 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3052 * config/sparc/sparc.c (sparc_override_options): If arch and
3053 pointer size disagree, emit diagnostic and fix it up. If
3054 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3055 V8PLUS in 64-bit mode.
3056 * config/sparc/t-linux64: New file.
3057 * config/sparc/t-sol2-64: New file.
3058 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3059 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3060 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3061 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3062 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3063 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3065 (STARTFILE_SPEC): Set approriately based upon those.
3066 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3067 disposition of DEFAULT_ARCH32_P.
3068 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3069 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3070 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3071 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3072 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3074 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3076 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3078 * rtl.h (init_virtual_regs): New function.
3079 * emit-rtl.c (init_virtual_regs): Define.
3080 (insn_emit): Use it.
3081 * integrate.c (save_for_inline_copying): Likewise.
3083 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3085 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3086 (enum reg_class): Add NONARG_LO_REGS support.
3087 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3088 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3089 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3090 completes. Re-enable HImode REG+OFFSET addresses.
3091 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3093 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3095 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3097 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3098 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3099 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3101 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3103 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3104 jumps as a single entity, taking into account the size of the
3107 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3109 * tree.def (SWITCH_EXPR): New tree node definition.
3111 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3113 * version.c: Bump for snapshot.
3115 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3117 * version.c: Bump for snapshot.
3119 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3121 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3124 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3126 * Revert this patch.
3127 * reload.c (find_reloads): Do not replace a pseudo with
3128 (MEM (reg_equiv_addr)) in the initializing insn for the
3131 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3133 * final.c (final_scan_insn): Disable tracking CC across branches.
3135 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3137 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3138 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3139 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3140 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3141 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3143 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3145 * toplev.c (rest_of_compilation): Skip compiling anything with
3146 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3148 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3150 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3151 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3152 use in_libcall_block.
3153 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3154 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3157 Mon Sep 21 14:02:23 1998
3159 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3160 typo in no-fancy-math-387 description.
3162 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3164 * version.c: Bump for snapshot.
3166 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3168 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3170 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3172 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3173 documented in install.texi.
3174 (TARGET_OPTIONS) Likewise.
3176 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3178 * version.c: Bump for snapshot.
3180 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3182 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3183 * cccp.c (main): Likewise.
3185 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3186 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3189 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3191 * Makefile.in (LIBS): Link in libiberty.a.
3192 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3194 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3196 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3197 it to update bb boundaries. Update caller.
3198 * function.c (reposition_prologue_and_epilogue_notes): Update
3199 bb boundaries wrt the moved note.
3201 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3203 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3205 * configure: Regenerate.
3207 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3209 * alpha.c (alpha_sr_alias_set): New variable.
3210 (override_options): Set it.
3211 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3212 (mode_mask_operand): Fix signed-unsigned comparision warning.
3213 (alpha_expand_block_move): Likewise.
3214 (print_operand): Likewise.
3215 (get_aligned_mem): Use change_address.
3216 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3217 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3218 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3219 (alpha_align_insns): Remade from old alphaev5_align_insns
3220 to handle multiple processors.
3221 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3222 * output.h (label_to_alignment): Prototype.
3224 * tree.c (new_alias_set): New function.
3225 * tree.h (new_alias_set): Declare it.
3226 * c-common.c (c_get_alias_set): Use it.
3228 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3230 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3231 to an ABS expr, convert an unsigned input to signed.
3233 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3235 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3237 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3239 * configure.in: Add support for c4x targets.
3240 * configure: Rebuilt.
3242 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3244 * combine.c (distribute_notes): If an insn is a cc0 user, only
3245 delete it if we can also delete the cc0 setter.
3247 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3249 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3250 (invert_truthvalue): Enable truthvalue inversion for
3251 floating-point operands if -ffast-math.
3253 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3255 * configure.in: Disable collect2 for nextstep. Instead use
3257 * configure: Rebuilt.
3258 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3259 (ENDFILE_SPEC): Define.
3260 (OBJECT_FORMAT_MACHO): Define.
3261 (EH_FRAME_SECTION_ASM_OP): Define.
3262 * crtstuff.c: Handle MACHO.
3264 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3266 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3268 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3270 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3271 (_fpadd_parts): Get sign right for 0.
3273 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3275 * ginclude/varargs.h: Add support for C4x target.
3276 * ginclude/stdargs.h: Likewise.
3278 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3280 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3281 (alpha_emit_set_long_const): Rewrite to be callable from reload
3283 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3284 * alpha.md (movdi): Likewise.
3286 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3288 * arm.c (add_constant): New parameter address_only, change caller.
3289 Set it non-zero if taking the address of an item in the pool.
3290 (arm_reorg): Handle cases where we need the address of an item in
3293 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3295 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3296 memory addresses that are not in standard canonical form.
3298 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3300 * README.C4X: New file with information about the c4x ports.
3301 * ginclude/va-c4x.h: New file for c4x varargs support.
3302 * config/c4x: New directory with c4x port files.
3304 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3306 * reload.c (find_reloads): Do not replace a pseudo with
3307 (MEM (reg_equiv_addr)) in the initializing insn for the
3310 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3312 * toplev.c (rest_of_compilation): Set bct_p on second call to
3314 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3316 (strength_reduce): Only call analyze_loop_iterations and
3317 insert_bct if bct_p set.
3318 (check_dbra_loop): Fix typo.
3319 (insert_bct): Use word_mode instead of SImode.
3320 (instrument_loop_bct): Likewise. Do not delete iteration count
3321 condition code generation insn. Initialize iteration count before
3323 * rtl.h (loop_optimize): Update prototype.
3325 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3326 not doubleword aligned.
3328 * rs6000.c (optimization_options): New function.
3329 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3330 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3331 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3332 first; cr1 can be used for FP record condition insns.
3334 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3336 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3339 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3342 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3344 (block_move_call): New function: Call a library routine to copy a
3346 (m32r_expand_block_move): New function: Expand a "movstrsi"
3347 pattern into a sequence of insns.
3348 (m32r_output_block_move): New function: Expand a
3349 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3350 (m32r_block_immediate_operand): New function: Return true if the
3351 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3353 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3355 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3357 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3359 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3361 * regmove.c (copy_src_to_dest): Check that modes match.
3363 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3365 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3367 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3369 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3370 narrower than FLOAT_REGS.
3372 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3374 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3376 * Makefile.in (old_gxx_include_dir): removed
3378 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3380 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3383 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3384 (sh_handle_pragma): Change function arguments to match new
3385 specification for HANDLE_PRAGMA.
3387 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3389 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3391 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3392 When generating output, initialize missing struct member to zero.
3394 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3396 * regmove.c (copy_src_to_dest): Don't copy if that requires
3397 (a) new register(s).
3399 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3401 * global.c (reg_allocno): Now static.
3402 * reload1.c (reg_allocno): Delete declaration.
3403 (order_regs_for_reload): Take no arguments. Don't treat regs
3404 allocated by global differently than those allocated by local-alloc.
3406 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3408 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3409 condition, fix format strings.
3410 (output_function_epilogue): Likewise.
3412 * m68k/m68k.c: Don't include <stdlib.h> directly.
3414 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3416 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3417 mem_first_set, mem_last_set; because 0 can be a CUID.
3418 (oprs_unchanged_p): Use new definition.
3419 (record_last_reg_set_info): Likewise.
3420 (record_last_mem_set_info): Likewise.
3421 (compute_hash_table): Likewise.
3423 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3425 * rs6000.c (output_epilogue): Handle Chill.
3427 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3428 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3430 * combine.c (make_extraction): If no mode is specified for
3431 an operand of insv, extv, or extzv, default it to word_mode.
3432 (simplify_comparison): Similarly.
3433 * expmed.c (store_bit_field): Similarly.
3434 (extract_bit_field): Similarly.
3435 * function.c (fixup_var_regs_1): Similarly.
3436 * recog.c (validate_replace_rtx_1): Similarly.
3437 * mips.md (extv, extzv, insv expanders): Default modes for most
3438 operands. Handle TARGET_64BIT.
3439 (movdi_uld, movdi_usd): New patterns.
3441 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3442 equivalent memory location unless we have been provided a scratch
3443 register. Similarly do not call find_replacement unless a
3444 scratch register has been provided.
3446 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3448 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3451 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3453 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3454 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3455 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3456 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3457 * c-decl.c (init_decl_processing): Update accordingly.
3458 * expr.c (expand_builtin): Likewise.
3460 * rtl.h (global_rtl): Add cfa entry.
3461 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3462 (LAST_VIRTUAL_REGISTER): Update.
3463 * emit-rtl.c (global_rtl): Add cfa entry.
3464 (init_emit): Initialize it.
3465 * function.c (cfa_offset): New.
3466 (instantiate_virtual_regs): Initialize it.
3467 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3468 (expand_function_end): Call expand_eh_return.
3469 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3471 * except.c (current_function_eh_stub_label): Kill.
3472 (current_function_eh_old_stub_label): Likwise; update all references.
3473 (expand_builtin_set_return_addr_reg): Kill.
3474 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3475 (expand_builtin_set_eh_regs): Kill.
3476 (eh_regs): Produce a third reg for the actual handler address.
3477 (eh_return_context, eh_return_stack_adjust): New.
3478 (eh_return_handler, eh_return_stub_label): New.
3479 (init_eh_for_function): Initialize them.
3480 (expand_builtin_eh_return, expand_eh_return): New.
3481 * except.h: Update prototypes.
3482 * flow.c (find_basic_blocks_1): Update references to the stub label.
3483 * function.h (struct function): Kill stub label elements.
3485 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3486 register number is one that would be in the previous window.
3487 Provide a dummy definition for non-windowed targets.
3488 (get_reg_addr): New function.
3489 (get_reg, put_reg, copy_reg): Use it.
3490 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3491 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3493 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3494 (alpha_init_expanders): Initialize it.
3495 (alpha_expand_epilogue): Use it.
3496 * alpha.h: Declare it.
3497 * alpha.md (eh_epilogue): New.
3499 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3500 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3502 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3504 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3507 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3509 * except.h (struct eh_entry): Add false_label field.
3510 (end_catch_handler): Add prototype.
3511 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3512 (start_catch_handler): When using old style exceptions, issue
3513 runtime typematch code before continuing with the handler.
3514 (end_catch_handler): New function, generates label after handler
3515 if needed by older style exceptions.
3516 (expand_start_all_catch): No need to check for new style exceptions.
3517 (output_exception_table_entry): Only output the first handler label
3518 for old style exceptions.
3519 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3520 mechanism into one function, if a runtime matcher is provided.
3522 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3524 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3526 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3528 * integrate.c (copy_decl_list): Fix typo.
3530 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3532 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3535 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3537 * version.c: Bump for snapshot.
3539 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3541 * version.c: Bump for snapshot.
3543 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3545 * version.c: Bump for snapshot.
3547 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3549 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3551 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3553 * configure.in: remove usage of `!' to negate the result of a
3554 command; some common shells do not support it
3556 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3558 * configure.in: in sparc9-sol2 config, use 'if test' not
3560 * configure: Rebuilt.
3562 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3564 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3565 (CPP_CPU_DEFAULT_SPEC): Likewise.
3566 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3567 for arch64 libfuncs.
3569 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3572 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3574 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3576 * collect2.c: Don't declare `sys_siglist' here.
3577 (my_strsignal): Prototype and define new function. Use it in
3578 place of `sys_siglist' hacks.
3580 * mips_tfile.c: Likewise.
3582 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3583 (GCC_NEED_DECLARATIONS): Likewise.
3585 * system.h (strsignal): Prototype it, if necessary.
3586 (sys_siglist): Declare it, if necessary.
3588 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3590 * loop.c (move_movables): While removing insn sequences, preserve
3591 the next pointer of the most recently deleted insn when we skip
3594 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3596 * objc/config-lang.in: Do not output the name of the selected
3597 thread file when building the front-end. The Makefile for the
3598 runtime library will do this.
3600 * objc/Make-lang.in: Do not build the runtime library or install
3601 the Objective C header files. The Makefile for the runtime
3602 library will do this.
3604 * objc/Makefile.in (all.indirect): Only build the front-end.
3605 (compiler): Rename to `frontend'.
3606 (obj-runtime): Remove target.
3607 (copy-headers): Likewise.
3608 (clean): No need to remove `libobjc.a' any longer.
3610 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3612 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3613 supported with -mcpu=xxx.
3615 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3617 * flow.c (mark_set_1): Recognize multi-register structure return
3618 values in CALL insns.
3619 (mark_used_regs): Likewise.
3620 (count_reg_sets_1): Likewise.
3621 (count_reg_references): Likewise.
3622 * rtlanal.c (note_stores): Likewise.
3623 (reg_overlap_mentioned_p): Likewise.
3624 * haifa-sched.c (check_live_1): Likewise.
3625 (update_live_1): Likewise.
3626 (sched_analyze_1): Likewise.
3627 (sched_note_set): Likewise.
3628 (birthing_insn_p): Likewise.
3629 (attach_deaths): Likewise.
3631 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3634 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3636 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3638 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3640 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3642 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3644 * configure.in: Add check for GAS subsection -1 support.
3645 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3646 * configure config.in: Rebuilt.
3647 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3648 SImode is subsection -1 works, else use DImode.
3649 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3650 subsection -1 works.
3651 * config/sparc/sparc.c (sparc_output_addr_vec,
3652 sparc_output_addr_diff_vec): Use them if defined.
3654 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3656 * tree.h (DECL_ORIGIN): New macro.
3657 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3658 (copy_decl_list): Use it.
3659 (integrate_parm_decls): Likewise.
3660 (integrate_decl_tree): Likewise.
3661 * dwarf2out.c (decl_ultimate_origin): Simplify.
3662 * dwarfout.c (decl_ultimate_origin): Likewise.
3663 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3664 (pushdecl): Likewise.
3666 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3668 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3670 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3672 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3674 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3676 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3677 empty or has a single entry.
3679 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3680 before calling reg_to_stack.
3682 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3684 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3685 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3687 * c-tree.h (warn_long_long): Declare it.
3689 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3691 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3692 initialized float-int union if the value is a NaN.
3694 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3696 * c-lex.c (real_yylex): Don't warn about long long constants if
3697 we're allowing long long
3699 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3701 * except.h (current_function_eh_stub_label): Declare.
3702 (current_function_eh_old_stub_label): Declare.
3703 * function.h (struct function): New members eh_stub_label and
3705 * except.c (current_function_eh_stub_label): New variable.
3706 (current_function_eh_old_stub_label): New variable.
3707 (init_eh_for_function): Clear them.
3708 (save_eh_status): Save them.
3709 (restore_eh_status): Restore them.
3710 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3711 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3712 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3713 make an edge from the block that contains it to the block starting
3714 with the label if this label is one of the eh stub labels.
3715 If eh stub labels exist, show they are reachable from the last block
3718 * reload1.c (reload): Break out several subroutines and make some
3720 (calculate_needs_all_insns): New function, broken out of reload.
3721 (calculate_needs): Likewise.
3722 (find_reload_regs): Likewise.
3723 (find_group): Likewise.
3724 (find_tworeg_group): Likewise.
3725 (something_needs_reloads): New global variable, formerly in reload.
3726 (something_needs_elimination): Likewise.
3727 (caller_save_spill_class): Likewise.
3728 (caller_save_group_size): Likewise.
3729 (max_needs): Likewise.
3730 (group_size): Likewise.
3731 (max_groups): Likewise.
3732 (max_nongroups): Likewise.
3733 (group_mode): Likewise.
3734 (max_needs_insn): Likewise.
3735 (max_groups_insn): Likewise.
3736 (max_nongroups_insn): Likewise.
3737 (failure): Likewise.
3739 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3741 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3743 * loop.c (load_mems): Copy rtx for output mem.
3745 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3747 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3748 mips1 or mips2 either.
3750 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3752 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3754 (pa_adjust_insn_length): Update to work with new marking scheme
3755 for jumps inside switch tables.
3756 * pa.md (switch_jump): Remove pattern.
3757 (jump): Handle jumps inside jump tables.
3759 * Makefile.in (profile.o): Depend on insn-config.h
3761 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3763 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3765 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3767 Add preliminary native sparcv9 Solaris support.
3768 * configure.in: Recognize sparv9-*-solaris2*
3769 * configure: rebuilt
3770 * config.sub: Recognize sparcv9 just like sparc64.
3771 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3772 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3773 32-bit and 64-bit Solaris systems.
3774 * config/sparc/t-sol2: Assemble those with cpp.
3775 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3776 (*TF*_LIBCALL): If ARCH64 use V9 names.
3777 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3779 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3781 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3782 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3784 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3786 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3787 to Pmode if CASE_VECTOR_MODE is something else.
3789 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3791 * prefix.c (update_path): Correctly handle cases where PATH is
3792 a substring of the builtin prefix, but specifies a different
3795 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3797 * expr.c: Corrected comment about what MOVE_RATIO does.
3798 * config/alpha/alpha.h: Ditto.
3799 * config/1750a/1750a.h: Ditto.
3800 * config/clipper/clipper.h: Ditto.
3801 * config/i386/i386.h: Ditto.
3803 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3805 * configure.in (m68k-next-nextstep3*): Use collect2.
3806 Similarly for x86 NeXT configurations.
3807 * configure: Rebuilt.
3809 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3811 * configure.in: Don't assume srcdir is .../gcc
3812 * configure: Rebuilt.
3814 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3816 * global.c: Update comments.
3817 (global_alloc): Assign allocation-numbers
3818 even for registers allocated by local_alloc in case
3819 they are later spilled and retry_global_alloc is called.
3820 (mark_reg_store, mark_reg_clobber,
3821 mark_reg_conflicts, mark_reg_death): Always record a
3822 conflict with a pseudo register even if it has been
3823 assigned to a hard register.
3824 (dump_conflicts): Don't list pseudo registers already assigned to
3825 a hard register as needing to be allocated, but do list their
3827 * local-alloc.c: Update comment.
3829 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3831 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3832 * configure: Rebuilt.
3834 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3836 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3838 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3839 for all targets that set -msoft-float.
3841 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3843 * toplev.c (print_switch_values): Make static to match prototype.
3845 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3847 * configure.in: If we are unable to find the "gnatbind" program,
3848 then do not configure the ada subdir.
3849 * configure: Rebuilt.
3851 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3853 * version.c: Bump for snapshot.
3855 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3857 * version.c: Bump for snapshot.
3859 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3861 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3862 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3864 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3866 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3868 * genextract.c: Have insn-extract.c include toplev.h.
3870 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3872 * toplev.c: Include expr.h.
3873 (really_sorry, fancy_abort): Remove prototypes.
3874 (set_target_switch): Add argument in prototype.
3875 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3876 (v_really_sorry): Likewise.
3877 (print_version, print_single_switch, print_switch_values): Make
3878 static and add prototype arguments.
3879 (decl_printable_name): Add prototype arguments.
3880 (lang_expand_expr_t): New typedef.
3881 (lang_expand_expr): Declare as a lang_expand_expr_t.
3882 (incomplete_decl_finalize_hook): Add prototype argument.
3883 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3884 (botch): Likewise for variable `s'.
3885 (rest_of_type_compilation): Mark variables `type' and `toplev'
3886 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3887 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3888 (display_help): Make variable `i' an `unsigned long'.
3889 (main): Remove unused parameter `envp'.
3890 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3891 Cast -1 when comparing it with a `size_t'.
3893 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3894 prototype with ATTRIBUTE_NORETURN.
3895 (fatal_insn_not_found, fatal_insn, really_sorry,
3896 push_float_handler, pop_float_handler): Add prototypes.
3897 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3898 (do_abort, botch): Add prototypes.
3900 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3902 * final.c (final): If a label is reached only from a single jump,
3903 call NOTICE_UPDATE_CC on the jump and its predecessor before
3904 emitting the insn after the label.
3906 * i386.h: Add AMD K6 support.
3907 Change TARGET_* macros to use table lookup.
3908 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3909 (ADJUST_COST): Change definition to call function in i386.c.
3910 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3911 * i386.c: Add AMD K6 support.
3912 Add constants for feature tests used by TARGET_* macros.
3913 (split_di): If before reload, call gen_lowpart and gen_highpart.
3914 (x86_adjust_cost): New function.
3915 (put_jump_code): New function.
3916 (print_operand): New codes 'D' and 'd'.
3917 * i386.md: New insn types. New insn attribute "memory".
3918 Redefine scheduling parameters to use new types and add AMD K6
3919 support. Explicitly set type of most insns.
3920 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3921 Pro and K6 prefer movl $1,reg to incl reg.
3922 (adddi3, subdi3): Set cc_status.
3923 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3924 to int; x86 can't have more than 2^31 DImode shifts per file.
3925 (setcc): Combine all setcc patterns. Allow writing memory.
3926 Combine all jump patterns using match_operator.
3927 (*bzero): Name pattern. Emit mutliple stos instructions when that
3928 is faster than rep stos.
3929 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3932 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3934 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3937 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3939 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3940 not whatever we're generating now.
3942 * alpha.c (set_frame_related_p, FRP): New.
3943 (alpha_expand_prologue): Mark frame related insns.
3944 (alpha_expand_epilogue): Likewise, but with a null FRP.
3945 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3946 * alpha.md (exception_receiver): New.
3947 * alpha/crtbegin.asm (.eh_frame): New beginning.
3948 (__do_frame_setup, __do_frame_takedown): New.
3949 * alpha/crtend.asm (.eh_frame): New ending.
3950 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3951 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3952 (ASM_FILE_START): Don't emit .file for dwarf2.
3954 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3955 * rtl.c (reg_note_name): Likewise.
3956 * rtl.texi (REG_NOTES): Likewise.
3957 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3960 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3962 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3963 * i386.md (movsf, movdf, movxf): Validate memory address returned
3964 from force_const_mem. Kill useless REG_EQUAL setting code.
3966 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3968 * m68k.md (zero_extendsidi2): Fix typo.
3970 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3972 * configure.in: Removed references to the removed file
3973 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3974 * arm*-*-netbsd* and ns32k-*-netbsd*.
3975 * config/i386/xm-netbsd.h: Removed unnecessary file.
3976 * config/m68k/xm-netbsd.h: Likewise.
3977 * config/sparc/xm-netbsd.h: Likewise.
3978 * config/mips/xm-netbsd.h: Likewise.
3980 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3982 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3983 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3985 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3986 for exact section attributions.
3988 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3990 * i386/crtdll.h (CPP_PREDEFINES): Define.
3992 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3994 * m68k.md (5200 movqi): Do not allow byte sized memory references
3996 * m68k.c (output_move_qimode): Do not use byte sized operations on
3999 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4000 explicit rules for building. Similarly for alloca, vfprintf,
4001 choose-temp and mkstemp, getopt, getopt1, and obstack.
4002 (INCLUDES): Add $(srcdir)/../include.
4003 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
4004 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
4006 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
4008 * gcc.c (do_spec_1): [case 'o'] Account for
4009 lang_specific_extra_outfiles.
4010 (main): Correctly clear all slots in outfiles for
4011 lang_specific_extra_outfiles. Set input_file_number before
4012 calling lang_specific_pre_link.
4014 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4016 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4018 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4020 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4022 (sparc_output_deferred_case_vectors): If no work to do, return.
4023 Fix thinko in Sept 1 change.
4025 1998-09-03 SL Baur <steve@altair.xemacs.org>
4027 * Makefile.in: add semicolon in BISON definition for portability.
4029 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4031 * config/nextstep.c (handle_pragma): Correct name of third
4034 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4036 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4037 * config/m32r/m32r.h: Make register 17 be fixed.
4038 * config/m32r/m32r.c: Use SImode for cc operations.
4040 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4042 * invoke.texi (Warning Options): Add -Wnon-template-friend
4045 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4047 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4049 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4051 * rs6000.md (movsf): Disable explicit secondary-reload-like
4052 functionality if TARGET_POWERPC64.
4053 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4056 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4058 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4059 and term.h from fixinc.wrap.
4061 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4063 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4064 safe to include both string.h and strings.h together.
4065 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4066 which headers to search for function declarations. Continue to
4067 prefer string.h over strings.h when both are not acceptable.
4069 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4071 * configure.in: Call GCC_HEADER_STRING.
4073 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4074 to include. Continue to prefer string.h over strings.h when both
4077 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4079 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4080 not assume top 32-bits of symbolic addresses are zero if
4083 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4085 * ginclude/va-alpha.h: Protect entire second portion of the
4086 file against double inclusion.
4088 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4090 Added support for the Boehm's garbage collector.
4091 * configure.in: Handle --enable-objc-gc.
4092 * configure: Rebuilt.
4093 * Makefile.in (CHECK_TARGETS): Add check-objc.
4094 (check-objc): New rule.
4095 * objc/Make-lang.in: Build a different Objective-C library that
4096 runs with the Boehm's collector.
4097 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4098 * objc/encoding.c: Correctly compute the size of compound types in
4099 the presence of bitfields. Skip the variable name of the type if
4100 any. Added support for long long.
4101 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4102 (_F_GCINVISIBLE): New mask.
4103 * objc/gc.c: New file. Compute the type memory mask associated with
4104 a class based on the runtime information.
4105 * objc/misc.c: Added the hooks that use the Boehm's collector
4106 allocation functions.
4107 * objc/objc-act.c (build_class_template): Generate a new class
4108 member (gc_object_type) to hold the class' type memory mask.
4109 (build_shared_structure_initializer): Initialize the new member to
4111 (encode_complete_bitfield): New function. Generate the new
4113 (encode_field_decl): Generate the new encoding only for the GNU
4115 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4117 (class_get_gc_object_type): New function to mark a pointer instance
4118 variable as a weak pointer.
4119 * objc/objc-features.texi: New file.
4120 * objc/objc.h (gc_object_type): New class member.
4121 * objc/objects.c (class_create_instance): Create a typed memory
4122 object when compiled with Boehm's collector support.
4123 * objc/sendmsg.c (__objc_init_install_dtable): Call
4124 __objc_send_initialize instead of setting the initialize flag.
4125 (__objc_send_initialize): Call __objc_generate_gc_type_description
4126 to generate the class type memory mask. Rewrite the code that
4127 sends the +initialize so that it is called only once (bug report
4128 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4129 * testsuite/objc: New testsuite for Objective-C type encoding.
4130 * testsuite/lib/objc-torture.exp: New file.
4131 * testsuite/lib/objc.exp: New file.
4133 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4135 * jump.c (jump_optimize): In if/then/else transformations, add
4136 another call to modified_between_p for the jump insn.
4138 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4140 * fix-header.c (symlink): Treat like readlink.
4142 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4144 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4147 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4149 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4150 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4151 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4153 * config/nextstep.c (handle_pragma): Take three arguments, as per
4154 the new HANDLE_PRAGMA macro specification.
4155 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4156 per the new HANDLE_PRAGMA macro specification.
4157 * config/i960/i960.c (process_pragma): Take three arguments, as
4158 per the new HANDLE_PRAGMA macro specification.
4160 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4162 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4163 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4164 if unknown pragmas are encountered.
4165 (handle_sysv_pragma): Interpret return code from
4166 handle_pragma_token (). Return success/failure indication rather
4167 than next unprocessed character.
4168 (pragma_getc): New function: retrieves characters from the
4169 input stream. Defined when HANDLE_PRAGMA is enabled.
4170 (pragma_ungetc): New function: replaces characters back into the
4171 input stream. Defined when HANDLE_PRAGMA is enabled.
4173 * c-pragma.c (handle_pragma_token): Return success/failure status
4176 * c-pragma.h: Change prototype of handle_pragma_token().
4178 * varasm.c: (handle_pragma_weak): Only create this function if
4179 HANDLE_PRAGMA_WEAK is defined.
4181 * c-common,c (decl_attributes): If defined call the expression
4182 contained within the INSERT_ATTRIBUTES macro before adding
4183 attributes to a decl.
4185 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4186 HANDLE_PRAGMA, which takes three arguments.
4187 (INSERT_ATTRIBUTES): Document this new macro.
4189 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4190 new INSERT_ATTRIBUTES macro.
4192 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4194 * config/sparc/sparc.md (movdf): Only generate special RTL for
4195 LABEL_REFs when PIC.
4196 (move_label_di): Remove
4197 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4198 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4199 references when PIC.
4200 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4201 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4202 output an .xword for all 64-bit cases.
4204 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4206 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4207 alignment, use FUNCTION_BOUNDARY instead.
4208 (sparc_output_deferred_case_vectors): Likewise.
4210 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4212 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4213 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4215 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4217 * alpha/va_list.h: New file.
4218 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4220 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4222 * NEWS: Add SCO Openserver and Unixware 7 notes.
4226 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4228 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4229 (record_constant_1): Handle RANGE_EXPR.
4231 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4233 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4234 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4235 and NOTE_INSN_RANGE_END specially.
4236 (reemit_notes): Likewise.
4238 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4240 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4241 (ultrasparc_sched_init): Remove unneeded &.
4243 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4245 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4246 for m68020-60, to prevent the use of fintrz.
4248 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4250 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4252 * Makefile.in: Likewise.
4253 * configure: Regenerated.
4255 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4257 * configure.in (gxx_include_dir): Changed to
4258 '${prefix}/include/g++'-${libstdcxx_interface}.
4259 * configure: Rebuilt.
4261 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4263 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4265 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4266 *sequences* *below* which scalar moves will be used.
4268 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4270 * collect2.c (mktemp): Delete unused declaration.
4272 * config/xm-netbsd.h: Remove unnecessary file.
4273 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4274 file anymore, it is not needed.
4276 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4278 * convert.c (convert_to_integer): Issue an error on conversions to
4281 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4283 * Makefile.in: Add lang_tree_files and gencheck.h.
4284 * configure.in: Generate them.
4285 * gencheck.c: Include gencheck.h.
4287 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4289 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4290 movdi_lo_sum_pic and movdi_high_pic and make visible.
4291 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4292 emit these when Pmode is not SImode.
4293 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4295 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4297 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4298 .linkonce directive after the first time.
4300 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4302 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4303 the clobbered operand overlaps with an input.
4304 (bne0_di): Similarly.
4306 * Makefile.in (INSTALL): Remove "--no-header" argument.
4308 * NEWS: Various updates.
4310 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4312 * config/sparc/sparc.c (arith_operand, const64_operand,
4313 const64_high_operand, arith_double_4096_operand): Mark mode as
4315 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4317 (sparc_emit_set_const64): Remove unused variable i.
4318 (sparc_splitdi_legitimate): Likewise for addr_part.
4319 (ultra_code_from_mask): Likewise for mask.
4320 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4321 reverse return values so it matches usage and comments.
4322 (ultra_flush_pipeline): Likewise.
4323 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4324 this_type, and allow loads and stores of differing FP modes as
4325 they do not create a conflict.
4326 (ultra_find_type): Initialize fpmode to SFmode, fix
4327 parenthesization thinkos in large conditional.
4328 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4329 Init free_slot_mask after ultra_cur_hist is reset, not before.
4330 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4331 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4332 use ultra_flush_pipeline instead, then re-init group pointer.
4333 Fix statement with no effect. If no progress made in, and no
4334 instructions scheduled at all, advance to new pipeline cycle else
4335 we get into an endless loop.
4336 (ultrasparc_adjust_cost): Remove previous arg.
4337 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4339 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4341 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4342 code. Use reg_overlap_mentioned_p to detect when source and
4343 destination overlap.
4344 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4346 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4348 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4349 COMPARISON_VAL, into invariant_p.
4351 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4353 * regmove.c (regclass_compatible_p): New function.
4354 (regmove_optimize): Use it.
4356 Use NREGS parameter insted of calling max_reg_num.
4358 (fixup_match_1): Don't use code = MINUS when later tieing with
4359 a hard register is likely.
4361 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4363 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4364 COMPARISON_VAL was normalized.
4366 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4368 * loop.c (check_dbra_loop): The loop ending comparison value
4369 must be an invariant or we can not reverse the loop.
4371 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4372 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4374 (load_mems_and_recount_loop_regs_set): Likewise.
4376 * i386.c (print_operand): Remove obsolete 'c' docs.
4378 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4380 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4381 * frame.c (init_object_mutex): New function.
4382 (init_object_mutex_once): Likewise.
4383 (find_fde): Call it.
4384 (__register_frame_info): Likewise.
4385 (__register_frame_info_table): Likewise.
4386 (__deregister_frame_info): Likewise.
4388 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4390 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4392 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4394 * loop.c (check_dbra_loop): Enable code for reversal
4395 of some loops without a known constant loop end.
4397 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4399 * haifa-sched.c (last_clock_var): New.
4400 (schedule_block): Initialize it.
4401 (schedule_insn): Use it to fill insn modes with issue information.
4403 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4404 Tag trapb and next insn with TImode.
4405 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4406 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4407 Invoke alphaev5_align_insns as appropriate.
4408 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4409 (MD_SCHED_VARIABLE_ISSUE): New.
4410 * alpha.md (attr type): Add multi.
4411 (define_asm_attributes): New.
4412 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4413 (arg_home): Likewise.
4414 (fnop, unop, realign): New.
4416 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4418 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4419 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4421 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4422 (rs6000-ibm-aix4.[12]*): Likewise.
4423 * configure: Regnerate.
4425 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4427 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4428 already contains the return address.
4430 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4432 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4433 word sized hunks when loading unaligned args into registers.
4435 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4436 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4438 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4440 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4442 * loop.c (check_dbra_loop): Add some code that would allow reversal
4443 of some loops without a known constant loop end if it were enabled.
4445 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4447 * mips.md (lshrsi3_internal2+2): Fix type-o.
4449 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4451 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4452 correctly with regards to stdio.h.
4454 * calls.c: Remove stdarg.h/varargs.h.
4457 * combine.c: Likewise.
4458 * cpperror.c: Likewise.
4459 * cpplib.c: Likewise.
4460 * cpplib.h: Likewise.
4461 * doprint.c: Likewise.
4462 * emit-rtl.c: Likewise.
4463 * final.c: Likewise.
4464 * fix-header.c: Likewise.
4466 * genattr.c: Likewise.
4467 * genattrtab.c: Likewise.
4468 * gencodes.c: Likewise.
4469 * genconfig.c: Likewise.
4470 * genemit.c: Likewise.
4471 * genextract.c: Likewise.
4472 * genflags.c: Likewise.
4473 * genopinit.c: Likewise.
4474 * genoutput.c: Likewise.
4475 * genpeep.c: Likewise.
4476 * genrecog.c: Likewise.
4477 * mips-tfile.c: Likewise.
4478 * prefix.c: Likewise.
4479 * protoize.c: Likewise.
4480 * regmove.c: Likewise.
4481 * toplev.c: Likewise.
4484 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4486 * config/sparc/sparc.c (sparc_override_options): If not
4487 TARGET_FPU, turn off TARGET_VIS.
4488 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4489 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4490 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4491 (movdi_insn_sp64): Add VIS fzero alternative.
4492 (clear_sf, clear_df): New VIS patterns.
4493 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4495 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4497 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4499 * loop.c (n_times_set, n_times_used, may_not_optimize,
4500 reg_single_usage): Convert to varrays. All uses changed.
4501 (insert_loop_mem): Return a value.
4502 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4503 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4506 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4509 * configure.in: Do not set thread_file to "irix" since no such
4512 * sparc.md (float abs/neg splits): Check reload_completed before
4513 calling alter_subreg.
4515 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4517 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4519 * config/sparc/sparc.h: Declare it.
4520 * config/sparc/sparc.md (float abs/neg splits): Use it.
4521 (all other splits): Handle SUBREGs properly where necessary.
4522 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4524 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4526 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4527 an insn on the unfilled_slots_list that has no delay slots.
4528 (fill_eager_delay_slots): Similarly.
4530 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4532 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4533 as an ordinary operand.
4535 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4537 * tree.c (valid_machine_attribute): Don't apply attributes to both
4540 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4542 * reload.c (operands_match_p): Handle rtvecs.
4544 * i386.c (legitimate_pic_address_disp_p): New.
4545 (legitimate_address_p): Use it.
4546 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4547 Handle constant pool symbols just like statics.
4548 (emit_pic_move): Use Pmode not SImode for clarity.
4549 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4550 [UNSPEC]: New, handling what we killed above.
4551 [PLUS]: Detect and abort on invalid symbol arithmetic.
4552 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4554 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4556 * alias.c: Include output.h.
4557 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4558 different if we're in a varargs function.
4559 * Makefile.in (alias.o): Depend on output.h
4561 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4563 * sh.h (GIV_SORT_CRITERION): Delete.
4565 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4567 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4568 * stupid.c (stupid_life_analysis): Ditto.
4569 * reload1.c (reload): Ditto.
4571 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4573 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4574 arith_double_4096_operand, arith_double_add_operand): New
4576 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4577 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4578 them to transform add/sub 4096 into add/sub -4096.
4580 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4582 * loop.c (scan_loop): Allocate some slop to handle pseudos
4583 generated by move_movables.
4584 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4587 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4589 * tree.def (DECL_RESULT): Correct documentation.
4591 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4593 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4594 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4595 conflicts will all RELOAD_FOR_OUTPUT reloads.
4597 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4598 loads the function result, substitute with a USE.
4600 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4602 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4603 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4604 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4605 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4606 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4607 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4609 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4610 'o' to 'm' for GPR variant constraints.
4612 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4614 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4616 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4618 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4619 when the source and destination overlap.
4621 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4622 clash with global type.
4624 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4626 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4628 * c-common.c (combine_strings): Also set TREE_READONLY.
4629 Change warn_write_strings to flag_const_strings.
4630 * c-decl.c, c-tree.h: Likewise.
4632 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4634 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4635 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4636 sequence, use SET/IOR instead so CSE can see it.
4637 * config/sparc/sparc.md (movhi_const64_special,
4638 movsi_const64_special): New patterns necessitated by that change.
4639 (movhi_high): Remove.
4640 (movhi_lo_sum): Change to match an IOR.
4641 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4642 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4643 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4644 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4645 registers are involved.
4646 (snesi_zero_extend split): Remove reload_completed test.
4647 (unnamed plus and minus zero_extend sidi splits): Add it.
4649 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4651 * extend.texi: Remove description of extension to explicit
4652 instantiation that is now endorsed by standard C++.
4654 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4656 * config/arc/arc.c (arc_initialize_pic): Remove.
4657 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4658 nothing on any platform and is invoked by no-one, it does not even
4659 appear in the documentation.
4660 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4661 * config/sparc/sparc.c (initialize_pic): Likewise.
4662 (find_addr_reg): Remove this as well, no longer referenced after
4665 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4667 * recog.c (validate_replace_rtx_group): New function.
4668 * recog.h (validate_replace_rtx_group): Declare it.
4669 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4670 the entire group of substitutions.
4672 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4674 * loop.c (load_mems): Fix initializers.
4676 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4678 * config/sparc/sparc.md (TFmode splits): Handle destination
4679 registers being referenced in the address correctly.
4681 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4682 TREE_UNSIGNED, when bitsize of type's mode is larger than
4683 HOST_BITS_PER_WIDE_INT.
4685 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4687 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4688 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4689 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4691 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4694 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4696 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4697 * h8300.h (TINY_DATA_NAME_P): Likewise.
4698 (STRIP_NAME_ENCODING): Handle '&'.
4700 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4701 register (it could be accessed via an outer SUBREG).
4702 (REG_OK_FOR_BASE_P): Likewwise.
4703 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4705 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4708 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4710 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4712 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4713 must be offsettable so the splits can be made.
4715 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4717 * config/i386/winnt.c: Include system.h, not stdio.h to get
4718 sys/param.h pulled in before rtl.h in case the system defines MIN
4721 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4723 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4725 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4727 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4729 * cpplib.c (cpp_define): Handle macros with parameters.
4731 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4733 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4734 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4735 and DImode 64-bit. Use llong for minimal-toc SFmode and
4736 SYMBOL_REF / LABEL_REF 64-bit.
4737 (output_function_profiler): Use llong for profiler label and ld to
4738 load 64-bit label address.
4740 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4742 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4745 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4747 * version.c: Bump for snapshot.
4749 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4751 * version.c: Bump for snapshot.
4753 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4755 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4757 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4759 * tm.texi (Misc): Fix typo "teh".
4761 * tm.texi (PIC): Fix typo "PPIC".
4763 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4764 effect when -O2 and higher.
4765 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4767 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4769 * regclass.c: Changed register set documentation to be consistent
4772 * final.c (final_start_function) Removed redundant test for
4775 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4777 * rtl.h (rtx_function): New type.
4778 (for_each_rtx): New function.
4779 * rtlanal.c (for_each_rtx): Define it.
4781 * recog.c (change_t): New type.
4782 (change_objects, change_old_codes, change_locs, change_olds):
4784 (changes): New variable.
4785 (validate_change): Dynamically allocate room for more changes, if
4786 necessary. Uses changes array instead of change_objects, etc.
4787 (apply_change_group): Use changes array instead of
4788 change_objects, etc.
4790 * loop.c (loop_mem_info): New type.
4791 (loop_mems): New variable.
4792 (loop_mems_idx): Likewise.
4793 (looop_mems_allocated): Likewise.
4794 (scan_loop): Remove nregs parameter.
4795 (next_insn_in_loop): New function.
4796 (load_mems_and_recount_loop_regs_set): Likewise.
4797 (load_mems): Likewise.
4798 (insert_loop_mem): Likewise.
4799 (replace_loop_mem): Likewise.
4800 (replace_label): Likewise.
4801 (INSN_IN_RANGE_P): New macro.
4802 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4803 (scan_loop): Remove nregs parameter, compute it after any new
4804 registers are created by load_mems. Use INSN_IN_RANGE_P and
4805 next_insn_in_loop rather than expanding them inline. Call
4806 load_mems to load memory into pseudos, if appropriate.
4807 (prescan_loop): Figure out whether or not there are jumps from the
4808 loop to targets other than the label immediately following the
4809 loop. Call insert_loop_mem to notice all the MEMs used in the
4810 loop, if it could be safe to pull MEMs into REGs for the duration
4812 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4814 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4816 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4818 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4820 * config/sparc/sparc.c (finalize_pic): Check for the correct
4821 nonlocal_goto_receiver UNSPEC number.
4822 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4823 making note of this dependency existing in sparc.c
4824 (negtf2_notv9 split): Give NEG SFmode.
4825 (negsf2): Fix insn output string.
4827 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4829 * c-common.c (decl_attributes): Issue an error if the argument
4830 to alias is not a string.
4832 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4834 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4835 pending memory flush list.
4837 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4839 (try_combine): Allow combining insns with REG_LIBCALL notes.
4841 * expr.c (emit_block_move): Do not call memcpy as a libcall
4842 instead build up a CALL_EXPR and call it like any other
4844 (clear_storage): Similarly for memset.
4846 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4849 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4852 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4853 and REG_LIVE_LENGTH as successful substitutions are made.
4855 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4857 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4858 statement after end of loop label.
4860 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4862 * config/sparc/sparc.c (ultra_types_avail): New variable.
4863 (ultra_build_types_avail): New function to record mask of insn
4864 types in ready list at this cycle.
4865 (ultrasparc_sched_reorder): Call it.
4866 (ultra_find_type): Use it to quicken the search. Also simplif
4867 dependency check, don't use rtx_equal_p because we know exactly
4868 what we are looking for.
4870 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4872 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4873 for architecture v4.
4875 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4877 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4879 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4880 movdf_const_intreg and helper splits): New patterns to move float
4881 constants into integer registers.
4882 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4885 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4888 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4890 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4892 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4893 a BASE_REGS register is needed as an intermediate when copying
4894 a symbolic value into any register class other than BASE_REGS.
4896 * expr.c (move_by_pieces): No longer static. Remove prototype.
4897 * rtl.h (move_by_pieces): Add extern prototype.
4898 * mips.c (expand_block_move): Handle aligned straight line copy by
4899 calling move_by_pieces.
4901 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4904 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4906 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4907 jumps out of the loop to be treated as part of the exit test.
4909 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4910 Jeff Law <law@cygnus.com>
4912 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4913 * cplus-dem.c: Delete.
4915 * Makefile.in (fold-const.o): depend on $(RTL_H).
4917 * fold-const.c: Include rtl.h to get the prototype for
4918 `set_identifier_local_value'.
4920 * loop.c (express_from_1): Remove unused variable `tmp'.
4921 (combine_givs): cast the first argument of bzero to char *.
4923 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4925 * c-decl.c (init_decl_processing): Remove unneeded &.
4927 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4929 * except.c (set_exception_lang_code, set_exception_version_code):
4930 Change parameter from `short' to `int' to avoid using a gcc
4933 * except.h (set_exception_lang_code, set_exception_version_code):
4934 Likewise for prototypes.
4936 * flow.c (count_reg_references): Remove unused variables `regno'
4939 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4941 * prefix.c (translate_name): Cast the result of `alloca'.
4943 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4945 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4947 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4949 (valid_dbcc_comparison_p): Mark mode argument as unused.
4950 (symbolic_operand): Likewise.
4951 (legitimize_pic_address): Likewise.
4952 (const_uint32_operand): Likewise.
4953 (const_sint32_operand): Likewise.
4954 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4955 schedule_insns and comment out rest of file.
4957 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4959 (output_move_[hq]imode): Likewise.
4961 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4963 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4964 * invoke.texi: Corresponding changes.
4966 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4968 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4970 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4972 * config/sparc/sparc.c (ultra_code_from_mask,
4973 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4974 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4975 ultrasparc_sched_init, ultrasparc_variable_issue,
4976 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4977 functions to describe UltraSPARC pipeline exactly to Haifa.
4978 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4979 as there is nothing the scheduler can do about it. Indicate that
4980 REG_DEP_OUTPUT's collide. Fixup formatting.
4981 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4982 divide costs on Ultra for DImode.
4983 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4985 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4986 ieuN and add call_no_delay_slot to type list.
4987 (cti function unit): New unit for branches on UltraSPARC.
4988 (subx/addx insns): Set type to misc.
4989 (sidi zero/sign extension insns on arch64): Set type to shift.
4990 (sign_extendhidi2_insn): Set type to sload.
4992 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4994 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4995 (output_epilog): Use if != 0 for offset.
4996 (rs6000_fatal_bad_address): Prepare for Intl.
4997 * rs6000.h (rs6000_fatal_bad_address): Declare.
4998 * rs6000.md (movsfcc, movdfcc): Use else if.
4999 (elf_high): Use {liu|lis}.
5000 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
5001 (movsi): Use rs6000_fatal_bad_address.
5003 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
5005 * reload.c (find_equiv_reg): Reject equivalences separated
5006 by a volatile instruction.
5008 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5010 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
5012 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
5014 * alpha.md (movsicc): Fix mode mismatch.
5016 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5018 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5020 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5022 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5024 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5025 write-only modifier from operand 1 constraint.
5027 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5029 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5030 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5032 (sparc_emit_set_const64): Likewise, also when computing trailing
5033 bits do not negate low_bits and make fast_int an int.
5035 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5037 * loop.c (add_label_notes): Do not ignore references to labels
5038 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5039 * gcse.c (add_label_notes): Similarly.
5041 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5043 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5044 (adddi_dishl32): Similarly.
5046 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5048 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5049 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5050 * cse.c (cse_basic_block): Add parens to shut up warnings.
5052 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5054 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5055 sparc_emit_set_const64_longway, const64_is_2insns,
5056 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5057 in 64-bit constant formation.
5058 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5059 rtl for addx not subx.
5060 (define_insn movdi_const64_special): Make available even when
5061 HOST_BITS_PER_WIDE_INT is not 64.
5062 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5063 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5064 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5065 instances of operand 1 inside a QI subreg.
5066 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5067 (one_cmpldi2_sp64): Fix output string.
5068 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5070 (unnamed arch64 ashift DI): Truncate shift count if greater than
5073 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5075 * expr.c (store_expr): Don't optimize away load-store pair
5076 when either source or destination have a side effect.
5078 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5080 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5081 operands of SET are incompatible.
5083 * alpha.md: Fix max and min patterns so modes of SET operands match.
5085 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5087 * configure.in: Avoid [[ by using test and changequote.
5088 * configure: Rebuild.
5090 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5092 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5094 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5095 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5096 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5097 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5098 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5099 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5100 Fix mismatching modes in SET operands.
5101 (conditional move patterns): Fix formatting.
5102 (unnamed subx arch64 pattern): Remove duplicate insn.
5104 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5106 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5107 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5108 (input_operand): Fixup test for what we accept for constant
5110 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5112 (safe_constDI): Remove.
5113 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5114 gen_safe_XOR64): New functions.
5115 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5116 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5118 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5119 available when HOST_BITS_PER_WIDE_INT is not 64.
5120 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5121 move before movdi_insn_sp64 pattern.
5122 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5123 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5124 symbolic_operand as predicate for second operand.
5125 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5126 expander): Give set VOIDmode.
5128 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5130 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5132 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5134 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5136 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5138 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5140 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5142 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5144 * install.texi: Various SCO OpenServer tweaks.
5146 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5148 * reload1.c (eliminate_regs_in_insn): Handle another case when
5149 eliminating the frame pointer to the hard frame pointer. Add
5150 missing ep->to_rtx check to one existing case.
5152 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5154 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5156 * tree.h: De-conditionalize init_priority code.
5158 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5159 * collect2.c (NM_FLAGS): Change from -p to -n.
5161 * configure.in: Turn on collect2 for mipstx39-elf.
5162 Handle use_collect2=no properly.
5164 * c-common.c: De-conditionalize init_priority code.
5165 * collect2.c (extract_init_priority, sort_ids): New fns.
5166 (main): Call sort_ids.
5167 Move sequence_number to file scope.
5169 * configure.in: Handle --enable-init-priority.
5170 * c-common.c (attrs): Add A_INIT_PRIORITY.
5171 (init_attributes, decl_attributes): Likewise.
5172 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5173 * tree.c (get_file_function_name_long): Split out...
5174 (get_file_function_name): ...from here.
5176 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5178 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5181 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5183 * toplev.c (display_help): Add braces to shut up warnings.
5184 * tree.c (simple_cst_equal): Likewise.
5186 * fold-const.c (non_lvalue): Don't deal with null pointer
5188 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5190 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5191 of any size to a pointer.
5193 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5195 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5197 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5199 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5200 which will be saved.
5201 * mn10300.md (prologue insn): Only save registers which need saving.
5202 (epilogue insn): Similarly.
5204 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5207 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5209 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5210 VAR_DECL's in gp addressable sections.
5212 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5214 * sparc.c: Change return <exp> to <exp>; return; in functions
5216 * sparc.md: Add empty semicolon statement after final label in
5219 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5221 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5222 addx_extend_sp64, only allow when TARGET_ARCH64.
5223 (define_insn addx_extend_sp32 and split): Version that works when
5225 (define_insn subx_extend): Likewise.
5226 (define_split adddi3 and subdi3 with zero extension): Fixup and
5227 correct bugs when not TARGET_ARCH64.
5229 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5231 * except.c (set_exception_lang_code, set_exception_version_code):
5232 Use prototype-style definition if __STDC__, to match declaration
5235 * genemit.c: Change FAIL and DONE macros not to use loops.
5237 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5239 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5240 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5242 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5244 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5246 * README.g77: Update from Craig.
5248 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5250 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5252 (safe_constDI sparc_emit_set_const64_quick1,
5253 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5254 analyze_64bit_constant, const64_is_2insns,
5255 create_simple_focus_bits): Fix some bugs when compiled on real
5257 (function_arg_record_value_3, function_arg_record_value_2,
5258 function_arg_record_value): Add fully prototyped forward decls.
5259 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5260 to cmpsi_insn and use on both 64 and 32 bit targets.
5261 (define_insn cmpsi_insn_sp64): Remove.
5262 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5263 (define_insn zero_extendsidi2_insn): Rename to
5264 zero_extendsidi2_insn_sp64.
5265 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5266 assosciated forced split for it.
5268 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5270 * config/sparc/sparc.h: Declare them.
5271 (PREDICATE_CODES): Add them.
5272 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5273 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5275 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5277 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5278 in v9 case as the latter makes the Solaris assembler crash.
5280 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5282 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5283 for TFmode when !v9. We require offsettable memory addresses.
5284 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5285 DFmode register number conversions.
5286 * config/sparc/sparc.md (define_split DFmode moves): If register
5287 is a SUBREG do alter_subreg on it before using.
5288 (define_expand movtf): Fixup comment about alignment on v9.
5289 (define_split TFmode moves): Don't use gen_{high,low}part, create
5290 explicit SUBREGs instead.
5292 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5294 * Makefile.in (mbchar.o): Depend on mbchar.c.
5296 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5297 Richard Henderson <rth@cygnus.com>
5299 Rewrite Sparc backend for better code generation and
5300 improved sparc64 support.
5301 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5303 * config/sparc/sysv4.h: Likewise.
5304 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5305 move_operand, v8plus_regcmp_op, emit_move_sequence,
5306 singlemove_string, doublemove_string, mem_aligned_8,
5307 output_move_double, output_move_quad, output_fp_move_double,
5308 move_quad_direction, output_fp_move_quad, output_scc_insn):
5310 (small_int_or_double): New predicate.
5311 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5312 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5313 old pic_{sethi,lo_sum}_si patterns.
5314 (mem_min_alignment): New generic function to replace
5315 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5316 available and can test for arbitrary alignments. All callers
5318 (save_regs, restore_regs, build_big_number,
5319 output_function_prologue, output_cbranch, output_return,
5320 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5321 sparc_flat_output_function_epilogue): Prettify
5323 (output_function_epilogue): Likewise and add code to output
5324 deferred case vectors.
5325 (output_v9branch): Likewise, add new arg INSN and use it to tack
5326 on branch prediction settings. All callers changed.
5327 (print_operand): Likewise and output %l44 for LO_SUMs when
5329 (sparc_splitdi_legitimate): New function to make sure DImode
5330 splits can be run properly when !arch64.
5331 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5332 Reformat example code in comments.
5333 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5334 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5335 of deferred case vectors we need to output.
5336 (sparc_defer_case_vector): Record a case vector.
5337 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5338 sparc_output_deferred_case_vectors): New functions to output them.
5339 (sparc_emit_set_const32): New function to form 32-bit constants in
5340 registers when that requires more than one instruction.
5341 (safe_constDI, sparc_emit_set_const64_quick1,
5342 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5343 analyze_64bit_constant, const64_is_2insns,
5344 create_simple_focus_bits, sparc_emit_set_const64): New functions
5345 which do the same for 64-bit constants when arch64.
5346 (sparc_emit_set_symbolic_const64): New function to emit address
5347 loading for all code models on v9.
5348 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5349 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5350 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5351 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5352 inaccuracies in comments, add symbolic and text_segment operands
5353 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5354 GENERAL_REGS in these cases as a temp REG is needed to load these
5355 addresses into a register properly.
5356 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5358 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5359 quads are guarenteed to have 16-byte alignment.
5360 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5361 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5362 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5363 deferred case vector implementation.
5364 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5365 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5366 Generate "internal label - label" instead of "label - 1b".
5367 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5368 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5369 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5371 (doublemove_string, output_block_move, output_fp_move_double,
5372 output_fp_move_quad, output_move_double, output_move_quad,
5373 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5374 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5375 (sparc_emit_set_const32, sparc_emit_set_const64,
5376 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5377 mem_min_alignment, small_int_or_double): Add externs.
5378 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5379 UNSPEC_VOLATILE in this backend.
5380 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5381 unary to types which execute in it.
5382 (define_function_unit ieu_shift): Rename to ieu0.
5383 (define_function_unit ieu1): New, executes compare, call, and
5384 uncond_branch type insns.
5385 (define_function_units for type fdivs, fdivd, fsqrt): These
5386 execute in the fpu multiply unit not the adder on UltraSparc.
5387 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5388 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5389 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5390 allows the arith_double_operand predicate and rHI constraint when
5392 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5393 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5394 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5395 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5396 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5397 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5398 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5399 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5400 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5401 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5402 sign_extendqihi2_insn, sign_extendqisi2_insn,
5403 sign_extendqidi2_insn, sign_extendhidi2_insn,
5404 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5405 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5406 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5407 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5408 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5409 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5410 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5411 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5412 smulsi3_highpart_v8plus, unnamed subreg mult,
5413 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5414 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5415 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5416 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5417 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5418 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5419 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5420 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5421 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5422 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5423 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5424 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5425 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5426 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5427 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5428 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5429 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5430 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5431 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5432 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5433 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5434 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5435 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5436 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5437 call_address_untyped_struct_value_sp32,
5438 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5439 call_value_symbolic_sp32, call_value_address_sp64,
5440 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5441 flush_register_windows, goto_handler_and_restore,
5442 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5443 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5444 return_addsi, return_di, return_adddi, return_sf, all call+jump
5445 peepholes, trap, unnamed trap insns): Prettify output strings.
5446 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5447 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5448 Likewise and force + implement splits for integer cases.
5449 (define_insn return_sf_no_fpu): Likewise and allow to match when
5450 no-fpu because of our subreg SFmode splits.
5451 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5452 zero_extendqidi2_insn, zero_extendhidi2_insn,
5453 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5454 input_operand for second operand.
5455 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5456 reg_or_0_operand for operand 2 so new splits can use it.
5457 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5458 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5460 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5461 CONST_DOUBLEs for operand 2.
5462 (define_insn move_label_di): Likewise and label distance
5463 optimization because it no longer works with new deferred case
5464 vector scheme. To be revisited.
5465 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5466 and allow reg_or_0_operand and J constraint for second operand.
5467 (define_insn jump): Set branch predict taken on V9.
5468 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5469 new deferred case vector scheme.
5470 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5471 (define_insn negdi2_sp32): Force + implement splits.
5472 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5473 one_cmplsi2_not_liveg0 respectively, and create expander of original
5474 names which emit special rtl for TARGET_LIVE_G0.
5475 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5476 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5477 gen_compare_reg, FAIL instead.
5478 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5479 values when trying to reverse condition codes, if they FAIL then
5481 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5482 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5483 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5484 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5485 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5486 set output string to # to indicate they are mandatory splits.
5487 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5488 pic_sethi_di, move_pic_label_si): Remove.
5489 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5490 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5492 (define_expand movsi_pic_label_ref, define_insn
5493 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5494 expander and insns to handle PIC label references and deferred
5496 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5498 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5499 Rewrite to not use emit_move_sequence, make use of new constant
5500 formation code, and new splits for all multi-insn cases.
5501 (define_insn movqi_insn): Remove sethi case, it can never happen.
5502 Use reg_or_zero_operand instead of const0_rtx explicit test,
5503 use input_operand instead of move_operand for source, and use
5504 general_operand now for dest.
5505 (define_insn movhi_insn): Similar but leave sethi case.
5506 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5507 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5508 movhi_lo_sum respectively, prettify output string.
5509 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5510 register when needed on TARGET_LIVE_G0.
5511 (define_insn movsi_insn): Use general_operand and input_operand
5512 for dest and src respectively. Simplify applicability test.
5513 Prettify output strings, and add clr alternative for J
5515 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5516 deprecated std and reg-reg DI moves): Remove and...
5517 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5518 implementation which uses forced splits for all non-single insn
5520 (define_split DI move cases on !arch64): New splits to handle all
5521 situations of 64-bit double register DImode on 32bit, and
5522 unaligned registers and memory addresses for all subtargets.
5523 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5525 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5526 input_operand for dest and src respectively, prettify output
5528 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5529 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5531 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5532 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5533 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5534 movtf_no_e_insn_sp64) Replace with new
5535 implementation which uses forced splits for all non-single insn
5537 (define_split DF move cases): New splits in similar vein to DI
5539 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5540 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5541 movdi_sp64_insn): Remove old v9 code model and constant loading
5543 (define_insn pic_lo_sum_di, pic_sethi_di,
5544 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5545 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5546 embmedany_sethi, embmedany_losum, embmedany_brsum,
5547 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5548 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5549 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5550 scheme, using unspecs, secondary reloads, and one to one sparc
5551 insn to rtl insn mapping for better scheduling and code gen.
5552 (define_expand reload_indi, reload_outdi): Reload helpers for
5553 MEDANY and EMBMEDANY symbol address loading cases which require a
5555 (define_expand movsicc): Remove v8plus_regcmp cases.
5556 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5557 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5558 cmp_diqi_trunc_set): New patterns used by some of the new scc
5560 (define_insn xordi3_sp64_dbl): New pattern used for constant
5561 formation when crossing from 32-bit targets.
5562 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5564 (define_insn addx, subx): Make visible and prettify.
5565 (define_insn adddi3_insn_sp32): Likewise and force split.
5566 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5567 64bit scc split usage.
5568 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5569 zero_extend, subdi3): Force and implement splits.
5571 * final.c (final_scan_insn): Don't output labels if target
5572 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5575 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5576 don't forget to walk inside SEQUENCESs too as these are what the
5577 delay slot scheduler will create.
5579 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5581 * alpha.md (extxl+1,+2): New patterns to work around
5584 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5586 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5587 caused bad assembly code to be generated.
5589 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5591 * netbsd.h: Fix typo.
5593 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5595 * config.sub: Fix typo.
5597 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5599 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5601 (Running Protoize): Typo: Change "ther" into "other".
5603 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5605 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5606 * m68k/netbsd.h: Likewise.
5607 * ns32k/netbsd.h: Likewise.
5608 * sparc/netbsd.h: Likewise.
5610 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5612 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5613 * ginclude/va-clipper.h (va_list): Likewise.
5615 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5617 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5618 load/store multiple instructions unless user overrides.
5620 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5622 * ns32k/netbsd.h: Fix typo.
5624 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5626 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5627 labels with .debugsym if no parallel insns.
5629 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5631 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5632 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5634 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5636 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5637 (AR_FOR_TARGET): Define.
5639 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5641 * dyn-string.h: New file.
5642 * dyn-string.c: Likewise.
5643 * Makefile.in (OBJS): Add dyn-string.o.
5644 (dwarf2out.o): Add dyn-string.h dependency.
5645 (dyn-string.o): List dependencies.
5646 * dwarf2out.c: Include dyn-string.h.
5647 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5648 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5649 prototype. Use dyn_string_append rather than strcat, throughout.
5650 (addr_to_string): Use dyn_string_t.
5652 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5654 Function entry/exit profiling instrumentation:
5655 * expr.h (profile_function_entry_libfunc,
5656 profile_function_exit_libfunc): Declare new variables.
5657 * optabs.c: Define them here.
5658 (init_optabs): Initialize them.
5659 * tree.h (struct tree_decl): New flag
5660 no_instrument_function_entry_exit.
5661 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5662 * c-decl.c (duplicate_decls): Merge it.
5663 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5664 (init_attributes): Use it for "no_instrument_function".
5665 (decl_attributes): Handle it, for functions that have not yet been
5666 compiled. Set decl flag.
5667 * flags.h (flag_instrument_function_entry_exit): Declare new
5669 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5670 (f_options): New option "instrument-functions".
5671 * function.h (struct function): New field instrument_entry_exit.
5672 * function.c (current_function_instrument_entry_exit): New
5674 (push_function_context_to, pop_function_context_from): Save and
5676 (expand_function_start): Set current_ variable, maybe emit return
5677 label and entry profile call.
5678 (expand_function_end): Maybe emit exit profile call.
5680 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5682 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5683 NON_QI_REG_P, pretend the register is SImode.
5685 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5687 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5688 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5689 manufacturer id for ns32k.
5690 * configure: Regenerated.
5691 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5692 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5693 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5694 * config/m68k/netbsd.h: Same.
5695 * config/ns32k/netbsd.h: Same.
5696 * config/sparc/netbsd.h: Same.
5698 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5700 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5701 or UNROLL_COMPLETELY loop that starts with a jump to its
5704 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5706 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5707 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5708 (print_operand, case 'B'): Don't fall through.
5709 (print_operand, case 'S'): Correct mask begin/end computation.
5710 Use HOST_BITS_PER_WIDE_INT.
5711 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5712 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5713 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5714 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5716 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5718 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5719 constraint from second alternative.
5721 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5723 * configure.in: Fix --without/--disable cases for local-prefix,
5724 gxx-include-dir and checking.
5726 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5728 * configure.in (enable_haifa): Set by default for sparc64 too.
5731 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5733 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5734 * i386/winnt.c (associated_type): New fn.
5735 (i386_pe_valid_type_attribute_p): New fn.
5736 (i386_pe_check_vtable_importexport): Remove.
5737 (i386_pe_dllexport_p): Use associated_type.
5738 (i386_pe_dllimport_p): Likewise.
5740 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5741 * i386.c (i386_valid_type_attribute_p): Also accept
5742 attributes for METHOD_TYPEs.
5744 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5746 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5748 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5750 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5752 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5753 them from generating a new base name for each occurence of
5756 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5758 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5760 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5764 * cplus-dem.c (type_kind_t): New type.
5765 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5766 on this paramter, rather than demangling the type again.
5767 (demangle_integral_value): Pass tk_integral.
5768 (demangle_template_: Pass the value returned from do_type.
5769 (do_type): Return a type_kind_t. Pass tk_integral to
5770 demangle_template_value_parm for array bounds.
5771 (demangle_fund_type): Likewise.
5773 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5775 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5778 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5780 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5782 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5784 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5786 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5789 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5791 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5792 (DEBUGGER_ARG_OFFSET): Likewise.
5794 * mn10300.md (movsf): Remove last change. Not needed.
5796 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5798 * c-lex.c (yylex): Fix boundary conditions in character literal and
5799 string literal loops.
5801 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5803 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5804 being invoked incorrectly.
5806 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5807 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5809 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5810 * configure.in: Added i[34567]86-*-win32
5811 * config.sub: Ditto.
5812 * configure: Rebuilt.
5814 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5816 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5817 the frame pointer and compiling PIC code and reload has not completed.
5819 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5822 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5824 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5826 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5828 * Makefile.in (install-info): Only try to update the info
5829 directory file if it exists in the first place.
5831 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5833 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5835 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5837 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5838 CONST_DOUBLE source.
5840 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5842 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5843 strings as the insertion of USER_LABEL_PREFIX.
5844 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5846 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5849 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5851 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5852 already defined type.
5854 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5856 * expr.c (check_max_integer_computation_mode): Allow conversions
5857 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5858 (expand_expr): Likewise.
5860 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5862 * expr.c (expand_expr): Expand RETURN_EXPR.
5864 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5866 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5868 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5870 * dwarf2out.c (output_aranges): Call stripattributes
5871 for TEXT_SECTION references.
5872 (output_line_info): Likewise.
5874 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5876 * profile.c (branch_prob): Call allocate_reg_info after outputting
5877 profile rtl in instrument_arcs.
5879 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5881 * fixinc.irix (math.h): Install wrapper instead of copying.
5883 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5885 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5886 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5887 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5888 lang_flag_0. Added documentation in the flag table.
5890 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5892 * cccp.c (do_include): Fix vax c style include handling.
5894 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5896 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5898 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5900 * fold-const.c (non_lvalue): Don't deal with null pointer
5902 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5904 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5906 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5907 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5908 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5909 (u_short_cint_operand): Same.
5910 (reg_or_cint_operand): Same.
5911 (logical_operand): Same.
5912 (input_operand): Same.
5913 (reg_or_short_operand): Use u_short_cint_operand.
5915 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5917 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5918 but keep the insns and splits. Adjust so when the ultimate destination
5919 is memory, use cvtql.
5921 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5923 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5925 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5927 * gcc.c (do_spec): Call "error" not "warning".
5929 * configure.in: Fix minor problems with gas feature detection code.
5930 * configure: Rebuilt.
5932 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5935 * gcc.c: Delete %[spec] support.
5936 (do_spec_1, case '('): Likewise.
5937 (do_spec_1, case '['): Call error.
5939 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5941 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5942 (CPP_SUBTARGET_SPEC): Default to empty string.
5943 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5944 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5945 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5946 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5948 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5949 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5950 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5951 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5952 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5953 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5954 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5955 * alpha/vxworks.h: Likewise.
5957 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5959 * mips.md (reload_outsi): Added missing REGNO call.
5960 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5962 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5963 another match_operator and compare the codes.
5965 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5967 * MIPS multiply pattern fixes:
5968 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5969 Add union classes for HI, LO, or HILO plus general registers.
5970 (GENERATE_MADD): Deleted.
5971 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5972 Add TARGET_MAD to condition.
5973 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5974 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5975 "*d" for accumulator, to give preference to LO initially but not
5978 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5980 * configure.in (enable_c_mbchar): New configure option.
5981 (extra_cpp_objs): Always available now.
5983 * cexp.y (mbchar.h): #include it.
5984 (yylex): Handle Multibyte characters in character literals.
5986 * cccp.c (mbchar.h): #include it.
5987 (main): Set character set based on LANG environment variable.
5988 (rescan): Handle multibyte characters in comments.
5989 (skip_if_group): See above.
5990 (validate_else): See above.
5991 (skip_to_end_of_comment): See above.
5992 (macarg1): See above.
5993 (discard_comments): See above.
5994 (rescan): Handle multibyte characters in string and character literals.
5995 (collect_expansion): See above.
5996 (skip_quoted_string): See above.
5997 (macroexpand): See above.
5998 (macarg1): See above.
5999 (discard_comments): See above.
6000 (change_newlines): See above.
6002 * c-lex.c (mbchar.h): #include it.
6003 (GET_ENVIRONMENT): New macro.
6004 (init_lex): Set character set based on LANG environment variable.
6005 (yylex): Handle multibyte characters in character literals.
6006 (yylex): Handle multibyte characters in string literals.
6008 * Makefile.in (mbchar.o): New target.
6009 (cccp$(exeext)): @extra_cpp_objs@ is always available.
6010 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
6012 * mbchar.[ch]: New files for multibyte character handling.
6014 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6016 * jump.c (jump_optimize): When simplifying noop moves and
6017 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6018 the PUSHes to rewrite in second loop as we did in the first.
6020 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6022 * cplus-dem.c (demangle_nested_args): Make function definition
6023 static to match the prototype.
6025 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6027 * alloca.c: Respect USE_C_ALLOCA.
6028 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6029 * gengenrtl.c (xmalloc): Likewise.
6031 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6033 * loop.h (struct induction): Add no_const_addval.
6034 * loop.c (the_movables, reg_address_cost): New variables.
6035 (init_loop): Init reg_address_cost.
6036 (loop_optimize): Call end_alias_analysis.
6037 (scan_loop): Init the_movables.
6038 (record_giv): Init induction->no_const_addval.
6039 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6040 [REG]: Rearrange loop search test to catch more cases.
6041 (general_induction_var): Return success not benefit; take an extra
6042 argument for that. Change all callers.
6043 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6044 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6045 [default]: Search the_movables for additional combinations.
6046 (sge_plus_constant, sge_plus): New functions.
6047 (express_from_1): New function.
6048 (express_from): Always define. Rewrite using express_from_1.
6049 (combine_givs_p): Handle more cases. Ignore address cost.
6050 (cmp_combine_givs_stats): New function.
6051 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6052 (combine_givs): Rewrite to do best-fit combination.
6054 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6055 (fold): Do a complete (A*C)+(B*C) association check.
6057 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6059 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6061 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6063 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6065 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6067 * tree.c (valid_machine_attribute): Only create a new type variant if
6068 there is a decl to use it.
6070 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6072 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6075 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6077 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6080 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6082 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6083 Simplify tests for clearing an address register.
6084 (expand_prologue): Corresponding changes.
6086 * mn10300.md (movXX patterns): Make sure the destination is an
6087 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6088 (logical patterns): Split into expanders + patterns
6089 (zero and sign extension patterns): Similarly.
6090 (shift patterns): Similarly.
6092 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6094 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6095 for the sequence, recording base values.
6097 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6099 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6101 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6103 * gcc.c: Remove ANSI-C ism from --help code.
6105 * toplev.c: Support --help with USE_CPPLIB.
6107 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6109 * configure.in: Rework gas feature code to work with symlink based
6112 * extend.texi: Clarify some issues related to local variables
6113 assigned to explicit registers.
6115 * mn10300.md (mulsi): Turn into expander + pattern.
6117 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6120 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6122 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6124 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6126 * version.c: Bump again to distinguish mainline tree from the
6129 See ChangeLog.0 for earlier changes.
6132 add-log-time-format: current-time-string