1 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
4 previous insn to store directly into our reload register, make sure
5 that if the source of the previous insn is a reload register, its
6 spill_reg_store and spill_reg_stored_to values are cleared.
8 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
10 * rs6000.md (floatunssidf2_internal splitter): Use base register
11 operand, not hard-coded SP.
13 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
15 * jump.c (calculate_can_reach_end): Fix thinko.
17 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
19 * reorg.c (fill_simple_delay_slots): Fix typo.
21 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
23 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
25 * i386.md (extendsidi2): Use # in the output template.
26 (extendsidi splitters): New splitters.
28 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
30 * jump.c (init_label_info, delete_barrier_successors,
31 mark_all_labels, delete_unreferenced_labels,
32 delete_noop_moves, calculate_can_reach_end): New functions broken
34 (jump_optimize): Use them.
36 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
38 * except.c (expand_fixup_region_end): Make sure outer context labels
39 are not issued in an inner context during cleanups.
41 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
43 * alpha.md (addsi3, subsi3): No new temporaries once cse is
46 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
48 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
49 to expose this midpoint to CSE.
51 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
53 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
55 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
57 * configure.in: Bring over gcc2 change of Nov 19 1997.
59 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
61 * toplev.c (output_lang_identify): Make definition dependent on
62 ASM_IDENTIFY_LANGUAGE.
64 * print-rtl.c (spaces): Make static.
66 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
68 * extend.texi: Clarify proper uses for register clobbers in asms.
70 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
72 * recog.h (enum op_type): Define.
73 (constrain_operands): Adjust prototype.
74 (recog_op_type): Declare new variable.
75 * recog.c (recog_op_type): New variable.
76 (insn_invalid_p): Allow modifying an asm statement after reload.
77 (extract_insn): Set up recog_op_type.
78 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
79 Don't compute operand types, use recog_op_type.
80 Use the information computed by extract_insn instead of the previous
81 method of finding it by insn code number.
82 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
83 * reorg.c (fill_slots_from_thread): Likewise.
84 * reload1.c (reload_as_needed): Likewise.
85 (gen_reload): Likewise.
86 (inc_for_reload): Likewise.
87 (reload_cse_simplify_operands): Likewise.
88 Use the information computed by extract_insn instead of the previous
89 method of finding it by insn code number.
90 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
92 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
93 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
94 Use the information computed by extract_insn instead of the previous
95 method of finding it by insn code number.
96 * regmove.c (find_matches): Likewise. Change meaning of the return
97 value to be nonzero if the optimization can be performed, zero if
98 not. All callers changed.
99 Shorten some variable names to fix formatting problems.
100 (regmove_optimize): Shorten some variable names to fix formatting
102 Use the information computed by extract_insn instead of the previous
103 method of finding it by insn code number.
104 * regclass.c (scan_one_insn): Likewise.
105 (record_reg_classes): Don't compute operand types, use recog_op_type.
106 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
107 recog_constraints instead.
109 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
111 * rtl.h (flow2_completed): Declare.
112 * flow.c (flow2_completed): Definition.
113 * toplev.c (rest_of_compilation): Set and clear flow2_completed
116 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
118 * Makefile.in (libcpp.a): Ranlib libcpp.a
120 * cppulp.c (user_label_prefix): Initialize.
122 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
124 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
125 at a RETURN if current_function_sp_is_unchanging is set.
127 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
129 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
131 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
133 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
134 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
135 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
136 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
137 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
138 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
140 (LIB_SPEC): Handle -mno-cyginw option.
141 (LINK_SPEC): Handle -mdll.
143 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
145 * reload.c (find_reloads): Fix test for usage by other reload
146 to handle secondary reloads properly.
148 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
150 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
151 intermediate structure which has exactly the members provided by
152 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
153 static intermediate structure.
155 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
156 from the intermediate structure. Do the same analogous fix in
157 the case where ELIMINABLE_REGS is not defined.
159 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
161 * pa.h (SELECT_SECTION): Fix thinko.
163 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
165 * dwarf2out.c (output_call_frame_info): Comments on last change.
167 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
169 * arm.c (add_constant): When taking the address of an item in the
170 pool, get the mode of the item addressed.
172 * arm.c (final_prescan_insn case INSN): If an insn doesn't
173 contain a SET or a PARALLEL, don't consider it for conditional
176 Restore ABI compatibility for NetBSD.
177 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
179 (RETURN_IN_MEMORY): Likewise.
181 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
183 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
184 (m32r_output_block_move): Rewrite bytes < 4 handling.
186 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
188 * configure.in: Call AC_FUNC_VFORK.
190 * collect2.c: Define VFORK_STRING as a printable string for
191 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
192 defined, include vfork.h. If VMS is defined, define vfork()
193 appropriately. Remove vfork check on USG, we're using autoconf.
194 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
195 checking locally what string to pass.
196 (scan_prog_file): Likewise.
197 (scan_libraries): Likewise.
199 * gcc.c: Remove vfork check on USG, we're using autoconf.
200 Besides, no calls to vfork/fork occur in this file.
202 * protoize.c: Likewise.
204 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
206 * configure.in (DEFAULT_LINKER): renamed from LD
207 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
208 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
211 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
213 * BUGS: fix the regexp for `more' to find the appropriate node.
214 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
216 * BUGS: added link to the WWW FAQ
218 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
220 * version.c: Bump for snapshot.
222 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
224 * From Christian Gafton:
225 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
226 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
227 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
229 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
231 * c-common.c (c_get_alias_set): Allow all type-punning through
232 unions. Don't get confused about the type of a bit-field, despite
233 the antics of build_modify_expr.
235 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
237 * fixinc.sco: Paramaterize #include_next values.
238 * fixinc/fixinc.sco: Likewise.
240 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
242 * toplev.c (rest_of_compilation): No longer set reload_completed.
243 * reload1.c (reload): Set it here. Perform instruction splitting
244 after reload has completed if we will be running the scheduler
247 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
249 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
250 EH region if exceptions are enabled and we're performing cross
252 (find_cross_jump): Exit loop if the insns are in different EH regions.
254 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
256 * dwarf2out.c (output_call_frame_info): Use
257 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
259 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
261 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
262 * c-common.c (check_format_info): Don't check for the 'x'
263 format character twice, instead check for 'x' and 'X'
265 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
267 * configure.in (assembler features): Also make gas is configured if
268 we find it in the souce tree.
270 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
272 * i386.c (i386_comp_type_attributes): Compare whether the
273 attributes are defined, not their tree nodes.
275 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
277 * configure.in (gxx_include_dir): bitten by autoconf quoting
281 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
283 * configure.in: Ignore non-absolute value in $AS.
285 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
287 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
289 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
291 * configure.in (msdosdjgpp): Set exeext and target_alias.
293 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
295 * flow.c (XNMALLOC): New macro.
296 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
298 (add_edge, add_edge_to_label): New static functions.
299 (free_bb_memory): New function.
300 (flow_delete_insn): Delete function.
301 (basic_block_drops_in): Delete variable.
302 (find_basic_blocks): Allocate and initialize basic_block_head,
303 basic_block_succ. Don't allocate basic_block_drops_in.
304 Call free_bb_memory at the beginning.
305 (find_basic_blocks_1): Don't do multiple passes.
306 Delete code to compute basic_block_drops_in.
307 After calling make_edges, mark blocks reached by current block live.
308 Update test for unreachable live blocks.
309 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
311 Simplify to call add_edge_to_label when a LABEL_REF is found.
312 (make_edges): Simplify to call add_edge_to_label instead of
313 mark_label_ref most of the time.
314 Compute here whether control drops into the next block.
315 (delete_unreachable_blocks): Return void. All callers changed.
316 Delete unreachable blocks in reverse order.
317 After deleting all unreachable blocks, renumber the remaining ones
318 and update n_basic_blocks.
319 (delete_block): Speed up deletion a bit.
320 Don't set basic_block_drops_in for deleted blocks.
321 (free_basic_block_vars): Don't free basic_block_drops_in.
322 (life_analysis_1): Update to use new edge representation.
323 (dump_flow_info): Delete code to print basic block info; call
324 dump_bb_data instead.
325 (compute_preds_succs): Delete code to recompute basic_block_drops_in
326 and uid_block_number.
327 Simply copy the previously computed cfg.
328 (dump_bb_data): New arg LIVE_INFO. All callers changed.
329 Print register lifetime information if LIVE_INFO is nonzero.
330 * basic-block.h (dump_bb_data): Adjust prototype.
331 * gcse.c (gcse_main): Update call to dump_bb_data.
332 * rtl.h (free_bb_memory): Declare.
333 * toplev.c (rest_of_compilation): Call free_bb_memory.
335 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
336 (update_eliminable_offsets): Don't compute it.
337 (set_initial_elim_offsets): Don't initialize it.
338 Break out some code into set_initial_label_offsets so the rest of
339 this function can be called from reload_as_needed.
340 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
341 ELIMINABLE_REGS isn't.
342 (set_initial_label_offsets): New function, broken out of
343 set_initial_elim_offsets.
344 (set_offsets_for_label): New function, broken out of set_label_offsets
345 and reload_as_needed.
346 (reload): Call the two new functions.
347 (reload_as_needed): Call set_initial_elim_offsets instead of
348 duplicating the code. Likewise for set_offsets_for_label.
350 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
351 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
352 any hard reg, reg_reloaded_dead contains valid data.
354 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
356 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
357 "stdcall" and "cdecl" attributes.
359 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
361 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
362 handle deleted no-op moves of hard registers.
363 * haifa-sched.c (update_flow_info): Likewise.
365 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
367 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
368 of the sequences to reload the HILO register which do not actually
371 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
373 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
375 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
377 * except.c (emit_eh_context): Make the EH context register stay alive
378 at -O0 so stupid.c doesn't get confused.
380 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
382 * emit-rtl.c (try_split): Do not try to split a BARRIER.
384 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
385 Jeffrey A Law (law@cygnus.com)
387 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
388 (zero_extendsidi2): Use # in output template and handle completely by
390 (zero_extend splitters): New define_splits.
391 (ashiftrt_32): New pattern.
393 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
395 * tree.c (append_random_chars): New fn.
396 (get_file_function_name_long): Use it.
398 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
400 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
401 (LIBCPP_OBJS): New. Add cppulp.o.
402 (cppmain, fix-header): Depend on and use libcpp.a.
403 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
404 of the individual object files.
405 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
408 * cccp.c (user_label_prefix): New.
409 (main): Set it off -f*leading-underscore.
410 (special_symbol): Use it.
411 * cpplib.c (special_symbol): Likewise.
412 (cpp_handle_option): Handle -f*leading-underscore.
413 * cppulp.c: New file.
415 * output.h (user_label_prefix): Declare it.
416 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
417 * toplev.c (f_options, main): Handle -f*leading-underscore.
419 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
420 referencing USER_LABEL_PREFIX directly.
421 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
422 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
423 * final.c (asm_fprintf): Use user_label_prefix instead.
424 * arm/thumb.c (thumb_print_operand): Likewise.
426 * gcc.c (default_compilers): Pass -f*leading-underscore on to
427 cpp wherever appropriate.
429 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
431 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
432 specific compiler switches.
434 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
436 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
439 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
441 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
442 structure which has exactly the members provided by EXTRA_SPECS.
443 Xmalloc() the real `extra_specs', and initialize it from this
444 intermediate structure.
446 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
448 * mips.h (EXTRA_SPECS): Likewise.
450 * sparc.h (EXTRA_SPECS): Likewise.
452 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
454 * function.c (purge_addressof_1): Instead of aborting when a
455 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
456 work just put the ADDRESSOF on stack. Otherwise remember all such
457 successfull replacements, so that exactly the same replacements
458 can be made on the REG_NOTEs. Remove the special case for CALL
460 (purge_addressof_replacements): New variable.
461 (purge_addressof): Clear it at end.
463 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
465 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
466 (lang_init): Call check_newline always.
467 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
468 cpp_start_read, set yy_cur and yy_lim to read from
469 parse_in.token_buffer, so that we'll see the first #line
471 * cpplib.c (cpp_start_read): finclude the main input file
472 before processing -include/-imacros. Process -imacros and
473 -include separately, and handle -include by stacking a
474 buffer for the file in question as if it'd been #included.
475 * toplev.c (documented_lang_options) Recognize -H when
478 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
480 * cpplib.c: Merge do_once into do_pragma. Break file handling
481 code out of do_include.
482 Move append_include_chain, deps_output,
483 file_cleanup, redundant_include_p, import_hash,
484 lookup_import, add_import, read_filename_string, read_name_map,
485 open_include_file, finclude, safe_read to cppfiles.c.
486 Move prototypes for deps_output, append_include_chain,
487 finclude to cpplib.h. Move definition of struct
488 file_name_list there also.
490 * cppfiles.c: New file. Contains all the above functions
491 broken out of cpplib.c; also hack_vms_include_specification
492 from cccp.c and find_include_file, a new function broken out of
495 * Makefile.in (cppmain): Depend on cppfiles.o.
496 (fix-header): Likewise.
497 (cppfiles.o): New target.
498 * configure.in (--enable-c-cpplib): Add cppfiles.o to
499 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
501 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
503 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
504 if pending_types is non-zero.
505 (dwarfout_finish): Verify pending_types is zero before finishing.
507 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
509 * expr.c (convert_move): Use shifts to perform the move if a
510 suitable extend pattern cannot be found. Code written by
511 Richard Henderson <rth@cygnus.com>.
513 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
515 * regclass.c (renumber, regno_allocated): New static variables, moved
516 out of allocate_reg_info.
517 (allocate_reg_info): Move these two variables outside the function.
518 Move code to free memory into new function free_reg_info.
519 (free_reg_info): New function, broken out of allocate_reg_info.
520 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
521 * rtl.h (allocate_reg_info): Don't declare.
522 (free_reg_info): Declare.
524 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
526 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
528 * toplev.c (compile_file): Temporarily revert last change.
530 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
532 * c-typeck.c (convert_for_assignment): Parenthesize.
534 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
536 * reload1.c (delete_output_reload): Avoid ambigous else.
538 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
540 * toplev.c (compile_file): Call allocate_reg_info to free register
542 * rtl.h (allocate_reg_info): Declare.
544 * PROJECTS: Remove entry for local spilling.
546 * final.c (cleanup_subreg_operands): New function.
547 (final_scan_insn): Use it.
548 (alter_subreg): Clear the "used" field when we turn a SUBREG into
550 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
551 operands when reload has finished.
552 * reload.h (cleanup_subreg_operands): Declare..
553 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
554 reload. Handled in reload itself.
556 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
558 * reload1.c (verify_initial_offsets): New function.
559 (reload): Call it after reload_as_needed. Also verify that the frame
560 size stays constant during reload_as_needed.
561 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
563 * reload.h (struct insn_chain): Add need_operand_change element.
564 * reload1.c (new_insn_chain): Clear it.
565 (calculate_needs_all_insns): Set it; don't overload need_reload.
566 (reload_as_needed): Use it.
568 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
569 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
570 and reload_address_index_reg_class.
571 (find_reloads_address_1): Likewise.
572 * reload.h (reload_address_base_reg_class,
573 reload_address_index_reg_class): Don't declare.
574 * reload1.c (reg_old_renumber, pseudo_previous_regs,
575 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
576 (used_spill_regs): Now static.
577 (reload_address_base_reg_class, reload_address_index_reg_class,
578 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
579 basic_block_needs, max_needs, group_size, group_mode, max_groups,
580 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
583 (init_reload): Delete code to compute base/index reg classes.
584 (reload): Delete variable J.
585 Delete code to manage basic_block_needs.
586 Don't compute regs_explicitly_used.
587 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
588 pseudo_previous_regs.
589 Initialize bad_spill_regs_global.
590 Don't call order_regs_for_reload here.
591 Don't initialize spill_reg_order and n_spills.
592 Don't forbid explicitly used regs to be used for spill regs.
593 Change main loop to infinite loop, with explicit break statements.
594 Make SOMETHING_CHANGED variable local to that loop.
595 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
596 max_groups_insn, max_nongroups_insn, group_size, group_mode.
597 Make sure spilled_speudos is cleared before calling spill_hard_reg or
599 Don't call dump_needs.
600 Delete code to reset potential_reload_regs.
601 Delete code to terminate loop conditional on the global needs variables
602 showing no further needs.
603 (calculate_needs_all_insns): Return void. All callers changed.
604 Initialize somehing_needs_elimination here, not in reload.
605 Delete avoid_return_reg kludge.
606 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
608 Initialize the group_mode and group_size elements of the arg CHAIN.
609 Delete code to manage basic_block_needs.
610 Operate on elements of CHAIN instead of global variables.
611 Delete avoid_return_reg kludge.
612 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
614 Operate on elements of CHAIN instead of global variables.
615 Delete special SMALL_REGISTER_CLASSES code.
616 Delete spill_failure code; now in new_spill_reg.
617 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
619 Operate on elements of CHAIN instead of global variables.
620 (maybe_mark_pseudo_spilled): New static function.
621 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
623 Operate on elements of CHAIN instead of global variables.
624 Call order_regs_for_reload here, not in reload.
625 Initialize spill_reg_order and n_spills.
626 Simplify test whether an asm insn is involved.
627 Delete spill_failure code; now in new_spill_reg.
628 Call maybe_mark_pseudo_spilled for everything marked as live in
629 CHAIN. Merge CHAIN's used_spill_regs into the global variable
631 (dump_needs): Take CHAIN arg. No longer static, to prevent the
632 compiler from optimizing this function (now unused) away.
633 Operate on elements of CHAIN instead of global variables.
634 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
636 Operate on elements of CHAIN instead of global variables.
637 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
638 take CHAIN arg. All callers changed.
639 Operate on elements of CHAIN instead of global variables.
640 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
641 CHAIN, NONGROUP args. Return void. All callers changed.
642 Verify caller isn't trying to spill a pseudo.
643 Simplify test for illegal reg, just use bad_spill_regs.
644 Generate better error messages.
645 Operate on elements of CHAIN instead of global variables.
646 Mark spilled register in CHAIN's used_spill_regs element.
647 Don't call spill_hard_reg.
648 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
649 Mark spilled hard regs in bad_spill_regs_global.
650 Mark affected pseudos in spilled_pseudos, but don't spill them.
651 (ior_hard_reg_set): New static function.
652 (finish_spills): Return int. All callers changed.
653 Compute spill_reg_order, n_spills and spill_regs here. Also update
654 regs_ever_live for regs used as spills.
655 For every pseudo in spilled_pseudos, spill it and mark the previous
656 hard reg it had in pseudo_previous_regs. Compute which hard regs
657 arseudo): New static function.
658 (order_regs_for_reload): Take CHAIN arg. All callers changed.
659 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
660 hard registers explicitly used across the current insn into the set.
661 Compute hard_reg_n_uses taking only pseudos live across this insn
663 Tweak sorting of potential_reload_regs.
664 (compare_spill_regs): Delete function.
665 (reload_as_needed): Don't sort the spill_regs array, it's computed
666 in proper order in finish_spills.
667 Delete avoid_return_reg kludge.
668 Delete code to manage basic_block_needs.
669 (allocate_reload_reg): Minor speed/readability tweaks.
670 Operate on elements of CHAIN instead of global variables.
671 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
672 Delete avoid_return_reg kludge.
673 Initialize reload_reg_used from CHAIN's used_spill_regs element.
674 Delete unused label FAIL.
675 (reload_combine): Replce reload_address_index_reg_class with
677 Don't use used_spill_regs to determine information about lifetime of
680 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
682 * toplev.c (display_help): Ignore empty target specific
683 options, and if -W is also specified on the command line then
684 display undocumented options.
686 * config/arm/arm.c: Updated with changes in devo sources.
687 * config/arm/arm.h: Updated with changes in devo sources.
688 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
689 * config/arm/lib1thumb.asm: Add ELF support.
691 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
693 * collect2.c (aix64_flag): New variable.
694 (main, case 'b'): Parse it.
695 (GCC_CHECK_HDR): object magic number must match mode.
696 (scan_prog_file): Only check for shared object if valid header.
697 Print debugging if header/mode mismatch.
699 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
701 Added support for arm-elf-linux configuration, submitted by Philip
702 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
703 code developed by Catherine Moore <clm@cygnus.com>. The following
706 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
709 * configure: Regenerated.
711 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
712 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
713 definitions conditional on their not having been already defined.
715 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
716 and .type directives, and add "(PLT)" qualification to function
719 * config/arm/linux.h: Deleted. This file is now superceeded by
720 either linux-elf.h or linux-aout.h.
722 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
723 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
725 Move definitions from old linux.h file here.
727 * config/arm/elf.h: New file. Generic ARM/ELF support.
729 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
731 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
733 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
734 using the 26bit APCS.
736 * config/arm/unknown-elf.h: New file. Support for OS'es other
739 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
742 * config/arm/coff.h: Include aout.h for basic assembler macros.
743 Add support for -mstructure_size_boundary=<n> command line option.
745 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
746 command line option. Make macro definitions conditional on their
747 not having been already defined.
749 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
753 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
755 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
756 has been changed to not include a newline. Use this macro instead.
757 (output_enumeral_list, const_value_attribute, name_attribute,
758 comp_dir_attribute, prototyped_attribute, producer_attribute,
759 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
760 dwarfout_file_scope_decl, generate_new_sfname_entry,
761 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
762 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
764 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
766 * combine.c (subst): Process the inputs to a parallel asm_operands
769 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
771 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
773 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
775 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
777 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
779 * version.c: Bump for snapshot.
781 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
783 * stmt.c (expand_fixup): Set fixup->before_jump to a
784 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
786 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
788 * Makefile.in (recog.o): Depend on toplev.h.
789 (insn-emit.o): Depend on recog.h.
790 (insn-peep.o): Depend on recog.h and insn-config.h.
792 * combine.c (simplify_set): Remove unused variable `scratches'.
794 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
795 and `idx' in macro conditional controlling their use.
797 * genemit.c (main): Make the generated output file include
798 recog.h. Don't have it declare `insn_operand_constraint', since
799 we get it from recog.h.
801 * genpeep.c (main): Make the generated output file include
802 insn-config.h and recog.h.
804 * recog.c: Include toplev.h.
805 (extract_insn): Remove unused variable `p'.
807 * regclass.c (fix_register): Add missing braces around initializer
809 (allocate_reg_info): Move variable `i' into the scope where it is
810 used. Change its type to `size_t'.
812 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
814 * reload.c (push_reload): When merging reloads, make sure
815 that reload_in_reg and reload_in are from the same reload in
818 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
820 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
821 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
823 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
825 * loop.c (loop_has_tablejump): New variable.
826 (prescan_loop): Scan for it.
827 (insert_bct): Replace explicit scan with use of it.
828 * regclass.c (regclass): Restore loop variable j.
829 (record_reg_classes): Deterine op_types modifiers and initialize
830 classes[i] before matching constraints. Handle matching
833 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
835 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
838 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
840 * mips.h (EXTRA_SPECS): Add missing initializers.
842 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844 * sparc.h (EXTRA_SPECS): Add missing initializers.
845 (sparc_defer_case_vector): Provide a prototype.
847 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
848 comparing it to the result of a pointer subtraction.
850 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
852 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
853 the argument to (unsigned char).
855 * alpha.h (EXTRA_SPECS): Add missing initializers.
856 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
859 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
861 * flow.c (life_analysis_1): Enable "rescan" code after reload.
862 (propagate_block): Delete dead code after reload.
864 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
865 back Oct 15, 1998 change.
866 * haifa-sched.c (update_flow_info): Likewise.
867 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
869 * mn10200.md (truncated shift): Accept constant inputs too.
871 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
873 * machmode.h (mode_mask_array): No longer const.
874 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
876 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
878 * frame.c: Somewhat explain `FDE'.
879 Suggested by Brendan Kehoe
881 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
883 * expr.c (pending_chain): Move up.
884 (save_expr_status): Do save pending_chain.
885 (restore_expr_status): And restore it.
886 * function.h (struct function): Add pending_chain.
888 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
890 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
891 did not match the code.
893 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
895 * regclass.c (regclass): Break out some code into new function
896 scan_one_insn, and into regclass_init.
897 (init_cost): New static variable, moved out of regclass.
898 (regclass_init): Initialize it here, not in .
899 (scan_one_insn): New static function, broken out of regclass.
900 * recog.c (apply_change_group): Break out some code into new
901 function insn_invalid_p.
902 (insn_invalid_p): New static fn, broken out of apply_change_group.
904 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
906 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
907 reg_reloaded_contents matches incremented pseudo.
909 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
911 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
913 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
914 addressing modes with side effects. These are currently
915 placeholders for the C4x target.
917 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
919 * loop.c (express_from): Make sure that when generating a PLUS of
920 a PLUS, any constant expression appears on the outermost PLUS.
922 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
924 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
925 works if "$(srcdir)" != ".".
927 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
929 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
930 existing SUBREG if we can, otherwise abort.
932 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
934 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
935 `restrict' is applied to a non-pointer variable.
937 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
939 * invoke.texi: Document -flang-isoc9x.
941 * Makefile.in (OBJS): Add splay-tree.o.
942 (c-common.o): Depend on rtl.h.
943 (splay-tree.o): List dependencies and provide build rule.
945 * rtl.h (record_alias_subset): New function.
946 * alias.c: Include splay-tree.h.
947 (alias_set_entry): New type.
948 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
949 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
950 (mems_in_disjoin_alias_sets_p): New function.
951 (alias_set_compare): Likewise.
952 (insert_subset_children): Likewise.
953 (get_alias_set_entry): Likewise.
955 * tree.h (TYPE_RESTRICT): New macro.
956 (TYPE_UNQUALIFIED): New manifest constant.
957 (TYPE_QUAL_CONST): Likewise
958 (TYPE_QUAL_VOLATILE): Likewise.
959 (TYPE_QUAL_RESTRICT): Likewise.
960 (tree_type): Add restrict_flag. Reduce count of free bits.
961 (DECL_POINTER_ALIAS_SET): New macro.
962 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
963 (tree_decl): Add pointer_alias_set.
964 (build_qualified_type): New function.
965 (build_type_variant): Define in terms of build_qualified_type.
966 * tree.c (set_type_quals): New function.
967 (make_node): Initializae DECL_POINTER_ALIAS_SET.
968 (build_type_attribute_variant): Use build_qualified_type and
970 (build_type_variant): Rename, and modify, to become...
971 (build_qualified_type): New function.
972 (build_complex_type): Use set_type_quals.
974 * c-tree.h (C_TYPE_OBJECT_P): New macro.
975 (C_TYPE_FUNCTION_P): Likewise.
976 (C_TYPE_INCOMPLETE_P): Likewise.
977 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
978 (c_apply_type_quals_to_decl): New function.
979 (c_build_qualified_type): New function.
980 (c_build_type_variant): Define in terms of c_build_qualified_type.
981 (flag_isoc9x): Declare.
982 * c-typeck.c (qualify_type): Use c_build_qualified_type.
983 (common_type): Change to use TYPE_QUALS.
984 (comptypes): Likewise.
985 (convert_for_assignment): Likewise.
986 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
987 * c-decl.c (flag_isoc9x): Define.
988 (c_decode_option): Handle -flang-isoc9x.
989 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
990 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
991 * c-lex.c (init_lex): Deal with restrict.
992 (init_lex): Don't treat restrict as a reserved word in
993 -traditional mode, or without -flang-isoc9x.
994 * c-lex.h (rid): Add RID_RESTRICT.
995 * c-parse.gperf (restrict, __restrict, __restrict__): Make
996 equivalent to RID_RESTRICT.
997 * c-parse.in (TYPE_QUAL): Update comment.
998 * c-common.c: Include rtl.h.
999 (c_find_base_decl): New function.
1000 (c_build_type_variant): Rename, and modify, to become ...
1001 (c_build_qualified_type): New function.
1002 (c_apply_type_quals_to_decl): Likewise.
1003 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1004 a particular alias set for the reference.
1005 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1007 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1009 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1010 command line switches.
1012 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1014 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1017 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1019 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1021 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1023 * regclass.c (fix_register): Add error message.
1024 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1027 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1029 * c-decl.c (warn_missing_noreturn): New global variable.
1030 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1031 (finish_function): Implement missing noreturn warning.
1033 * c-tree.h (warn_missing_noreturn): Declare extern.
1035 * invoke.texi: Document new flags.
1037 * toplev.c (documented_lang_options): Add description.
1039 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1041 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1042 loop optimization stable for the C4x.
1043 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1044 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1045 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1047 (c4x_address_conflict): Be more paranoid when packing a volatile
1048 memref in a parallel load/store.
1050 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1052 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1053 repeat_block_filler): Deleted.
1054 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1055 Condition code not set if destination register from 'c' class.
1056 (*subbqi3_carry_clobber): Fix typo.
1058 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1060 * reorg.c (steal_delay_list_from_target) Check for insns that
1061 modify the condition codes and effect the direction of the jump
1064 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1066 * function.c (purge_addressof_1): Replace call to
1067 emit_insns_before() with emit_insn_before().
1069 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1071 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1073 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1075 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1077 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1079 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1080 clobbered across calls.
1082 * loop.c (scan_loop): Be more selective about what invariants are
1083 moved out of a loop.
1085 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1087 * version.c: Bump for snapshot.
1089 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1091 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1092 static eh_context structure.
1094 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1096 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1098 (try_combine): Don't update max_scratch.
1099 * flow.c (max_scratch, num_scratch): Delete variables.
1100 (life_analysis_1): Don't initialize max_scratch.
1101 (propagate_block): Don't update max_scratch.
1102 (mark_set_1): Don't increment num_scratch.
1103 * regs.h (max_scratch): Delete declaration.
1105 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1107 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1108 is nonzero. This is temporary!
1110 * sched.c (update_flow_info): Handle death notes made invalid by
1111 instruction splitting. Partially reverts Oct 15, 1998 patch.
1112 * haifa-sched.c (update_flow_info): Likewise.
1114 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1116 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1117 if it has a nonzero DECL_INITIAL.
1119 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1121 * Makefile.in (flow.o): Depend on recog.h.
1123 * cpplib.h (directive_table): Add missing initializiers.
1124 (finclude): Change type of variable `bsize' to size_t.
1126 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1128 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1130 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1131 `int' when comparing against one.
1132 (cpp_file_line_for_message): Mark parameter `pfile' with
1134 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1136 * flow.c: Include recog.h.
1137 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1139 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1140 `f' with ATTRIBUTE_UNUSED.
1141 (reposition_prologue_and_epilogue_notes): Likewise.
1143 * genopinit.c (gen_insn): Cast argument of ctype functions to
1146 * haifa-sched.c: Include recog.h.
1147 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1148 comparing against one.
1150 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1152 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1154 (parse_ent): Likewise.
1155 (parse_input): Likewise.
1157 * optabs.c (init_libfuncs): Likewise.
1159 * protoize.c (find_rightmost_formals_list): Likewise.
1161 * recog.h (const_double_operand): Fix typo in prototype.
1163 * tlink.c (scan_linker_output): Cast the argument of ctype
1164 function to `unsigned char'.
1166 * toplev.c (check_lang_option): Cast the result of `strlen' to
1167 `int' when comparing against one.
1169 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1171 * gcse.c (dump_cuid_table): Correct typo.
1173 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1175 * toplev.c (display_help): Prepend '-m' to target specific
1177 (check_lang_option): Ignore text after end of first word of a
1178 language specific option.
1180 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1182 * reload1.c (reg_used_by_pseudo): New static variable.
1183 (choose_reload_regs): Initialize it.
1184 Use it instead of testing spill_reg_order to determine whether a
1185 pseudo is live in a hard register across the current insn.
1186 Fix a typo in a reference to reload_reg_rtx.
1188 * flow.c (propagate_block): Replace code that computes and uses
1189 regs_sometimes_live with simpler code that just walks the set of
1190 currently live registers.
1192 * Makefile.in (insn-extract.o): Fix dependencies.
1193 * genextract.c (main): Generate includes for insn-config.h and
1195 Delete generation of declarations which are now in recog.h.
1196 * genrecog.c (main): Delete generation of definitions which are
1198 * local-alloc.c (block_alloc): Use extract_insn and the variables
1199 it sets up instead of looking up values by insn_code.
1200 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1201 recog_dup_num): Define here instead of generating the definition in
1203 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1204 recog_operand_mode, recog_constraints, recog_operand_address_p):
1206 (extract_insn): New function.
1207 * recog.h (extract_insn): Declare function.
1208 (which_alternative, recog_n_operands, recog_n_dups,
1209 recog_n_alternatives, recog_operand_mode, recog_constraints,
1210 recog_operand_address_p): Declare variables.
1211 * regclass.c (n_occurrences): New static function.
1212 * reload.c (n_occurrences): Delete function.
1213 (find_reloads): Use extract_insn.
1214 * reload.h (n_occurrences): Delete declaration.
1216 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1218 * reload1.c (reload_as_needed): Fix test for when to call
1219 update_eliminable_offsets.
1221 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1223 Fix consistency problems with reg_equiv_{mem,address};
1224 Improve reload inheritance;
1226 * reload.c (reload_out_reg): New variable.
1227 (loc_mentioned_in_p, remove_address_replacements): New functions.
1228 (remove_replacements): Deleted.
1229 (push_reload): Set reload_out_reg[i].
1230 When merging, also set reload_{in,out}_reg[i], and remove
1231 duplicate address reloads.
1232 (combine_reloads): Copy reload_out_reg[i].
1233 (find_reloads): Do make_memloc substitution also when
1234 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1236 Include *recog_operand_loc in commutativity operand changes.
1237 Generate optional output reloads.
1238 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1239 processing operands. Call make_memloc in reg_equiv_address code.
1240 Set *recog_operand_loc only after processing operands, and only
1241 if replace is true. Return a value.
1242 When changing address reload types for operands that didn't get
1243 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1244 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1245 Don't emit USEs for pseudo SUBREGs when not replacing.
1246 (find_reloads_address): Do make_memloc substitution also when
1247 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1249 (find_reloads_toplev): Likewise.
1250 Call make_memloc in reg_equiv_address code.
1251 (debug_reload_to_stream): Add code to output reload_out_reg.
1252 (make_memloc): Delete local variable i, ifdefed out code, and
1253 references to memlocs and n_memlocs.
1254 (memlocs, n_memlocs): Delete.
1255 (push_secondary_reload): Clear reload_out_reg.
1256 (find_reloads_address_1): Provide memrefloc argument to all calls
1257 to find_reloads_address.
1258 In AUTO_INC code, handle non-directly addressable equivalences properly.
1259 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1260 (find_reloads): Add return type.
1261 (remove_address_replacements, deallocate_reload_reg): Declare.
1262 * reload1.c (num_not_at_initial_offset): No longer static.
1263 (delete_address_reloads, delete_address_reloads_1): Likewise.
1264 (deallocate_reload_reg): New function.
1265 (spill_reg_stored_to): New array.
1266 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1267 (eliminate_regs_in_insn): Move assignments of previous_offset and
1268 max_offset fields, and recalculation of num_not_at_initial_offset
1269 into new static function:
1270 (update_eliminable_offsets) .
1271 (reload_as_needed): Call update_eliminable_offsetss after calling
1273 Call forget_old_reloads_1 with contents of reloaded auto_inc
1274 expressions if the actual addressing can't be changed to match the
1276 (choose_reload_regs): For inheritance, replace
1277 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1278 remove stand-alone reload_reg_used_at_all test.
1279 Use reload_out_reg to determine which reload regs have output reloads.
1280 Treat reload_override_in more similar to inherited reloads.
1281 Handle (subreg (reg... for inheritance.
1282 For flag_expensive_optimizations, add an extra pass to remove
1283 unnecessary reloads from known working inheritance.
1284 Delete obsolete code for pseudos replaced with MEMs.
1285 Handle inheritance from auto_inc expressions.
1286 (emit_reload_insns): If reload_in is a MEM, set OLD to
1288 Don't reload directly from oldequiv; if it's a pseudo with a
1289 stack slot, use reload_in[j].
1290 Check that reload_in_reg[j] is a MEM before replacing reload_in
1291 from reg_reloaded_contents.
1292 Include non-spill registers in reload inheritance processing.
1293 Also try to use reload_out_reg to set spill_reg_store /
1294 reg_last_reload_reg.
1295 In code to set new_spill_reg_store, use single_set to find out if
1296 there is a single set.
1297 Add code that allows to delete optional output reloads.
1298 Add code to allow deletion of output reloads that use no spill reg.
1299 At the end, set reload_override_in to oldequiv.
1300 Also call delete_output_reload if reload_out_reg is equal to old
1302 Add code to call delete_output_reload for stores with no matching load.
1303 Set / use spill_reg_stored_to.
1304 Handle case where secondary output reload uses a temporary, but
1305 actual store isn't found.
1306 When looking for a store of a value not loaded in order to call
1307 delete_output_reload, count_occurences should return 0 for no
1308 loads; but discount inherited input reloadill_reg_stored_to.
1309 Do checks for extra uses of REG. Changed all
1311 Use delete_address_reloads.
1312 (reload): Take return value of find_reloads into account.
1313 If a no-op set needs more than one reload, delete it.
1314 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1315 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1316 for the same operand.
1317 (clear_reload_reg_in_use): Check for other reloads that keep a
1319 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1320 RELOAD_FOR_OPADDR_ADDR.
1321 Take into account when an address address reload is only needed
1322 for the address reload we are considering.
1323 (count_occurrences): Use rtx_equal_p for MEMs.
1324 (inc_for_reload): Return instruction that stores into RELOADREG.
1325 New argument two, IN, and rtx. Changed all callers.
1326 (calculate_needs_all_insns, reload_as_needed):
1327 Don't clear after_call for a CLOBBER.
1328 Keep track of how many hard registers need to be copied from
1329 after_call, and don't clear after_call before we have seen
1330 that much copies, or we see a different instruction.
1332 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1334 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1335 after reload has completed.
1337 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1339 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1340 a macro name and the next token with a single blank if that whitespace
1341 is in a macro buffer and the next token is not '('.
1343 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1345 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1347 (skip_if_group): Ditto.
1348 (skip_to_end_of_comment): Ditto.
1350 (discard_comments): Ditto.
1351 (change_newlines): Ditto.
1353 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1355 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1357 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1359 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1360 (TARGET_OPTIONS): Add --help documentation.
1362 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1364 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1366 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1368 * fixinc/* Moved in from ../contrib directory in preparation
1369 for integrating it into the normal build process. In particular,
1370 fixinc/Makefile.in must be config-ed into the build directory
1371 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1372 ./configure.in will be "in the mail" momentarily.
1374 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1376 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1377 accidently walk into the free list. Comment how that can happen.
1378 (invalidate): Fix indentation.
1380 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1381 Jeffrey A Law (law@cygnus.com)
1383 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1384 reload. Never perform rescans of the insn chain after reload.
1385 (propagate_block): Do not delete insn or create new autoinc addressing
1388 * jump.c (jump_optimize): Unconditionally use the code that was
1389 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1390 * reload1.c (reload): When reloading is finished, delete all
1391 REG_DEAD and REG_UNUSED notes.
1392 (emit_reload_insns): Delete all code that was conditional on
1393 PRESERVE_DEATH_INFO_REGNO_P.
1394 (no_longer_dead_regs): Delete variable.
1395 (reload_cse_delete_death_notes): Delete function.
1396 (reload_cse_no_longer_dead): Delete function.
1397 (reload_cse_regs_1): Delete all code to handle deletion of death
1399 (reload_cse_noop_set_p): Likewise.
1400 (reload_cse_simplify_set): Likewise.
1401 (reload_cse_simplify_operands): Likewise.
1402 (reload_cse_move2add): Likewise.
1403 * reorg.c (used_spill_regs): Delete declaration.
1404 (max_label_num_after_reload): Delete declaration.
1405 (find_dead_or_set_registers): Don't assume that spill regs are
1406 dead at a CODE_LABEL.
1407 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1409 * sched.c (sched_analyze_insn): Likewise.
1410 (update_flow_info): Likewise.
1411 * haifa-sched.c (sched_analyze_insn): Likewise.
1412 (update_flow_info): Likewise.
1413 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1414 * toplev.c (max_label_num_after_reload): Delete variable.
1415 (rest_of_compilation): Don't set max_label_num_after_reload.
1416 Call life_analysis after reload_cse_regs if optimizing.
1417 * config/gmicro/gmicro.h: Delete comment referring to
1418 PRESERVE_DEATH_INFO_REGNO_P.
1419 * config/i386/i386.h: Likewise.
1420 * config/m88k/m88k.h: Likewise.
1421 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1422 * config/sh/sh.h: Likewise.
1424 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1426 * loop.c (strength_reduce): Restore marking bct_p as
1428 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1429 HAVE_decrement_and_branch_on_count.
1430 (small_data_operand): Remove TARGET_ELF condition for marking
1431 parameters ATTRIBUTE_UNUSED.
1433 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1435 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1436 (SELECT_SECTION): Resync with svr4.h.
1438 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1440 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1443 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1445 * c-pragma.c (handle_pragma_token): Test for null tree before
1446 dereferencing TREE_CODE.
1448 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1450 * config/c4x/c4x.c: Convert to use GEN_INT.
1451 (c4x_parallel_process): Rework to handle new repeat loop structure.
1453 * config/c4x/c4x.md: Convert to use GEN_INT.
1454 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1455 (decrement_and_branch_on_count): Likewise.
1457 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1458 loop.c has the desired functionality.
1459 (rc_reg_operand): New prototype.
1461 * config/c4x/t-c4x: Can now build all front ends.
1463 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1465 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1467 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1469 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1470 * config/t-rtems: Do not install assert.h -- use newlib's.
1472 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1474 * combine.c (combine_instructions): When finished, call init_recog.
1475 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1477 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1479 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1481 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1483 * cppalloc.c (memory_full): Mark function prototype with
1486 * demangle.h (collect_exit): Likewise.
1488 * fix-header.c (v_fatal, fatal): Likewise.
1490 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1493 * gcov.c (print_usage): Likewise.
1495 * genattr.c (fatal, fancy_abort): Likewise.
1497 * genattrtab.c (fatal, fancy_abort): Likewise.
1499 * gencodes.c (fatal, fancy_abort): Likewise.
1501 * genconfig.c (fatal, fancy_abort): Likewise.
1503 * genemit.c (fatal, fancy_abort): Likewise.
1505 * genextract.c (fatal, fancy_abort): Likewise.
1507 * genflags.c (fatal, fancy_abort): Likewise.
1509 * genopinit.c (fatal, fancy_abort): Likewise.
1511 * genoutput.c (fatal, fancy_abort): Likewise.
1513 * genpeep.c (fatal, fancy_abort): Likewise.
1515 * genrecog.c (fatal, fancy_abort): Likewise.
1517 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1518 __sjpopnthrow, __throw): Likewise.
1520 * objc/objc-act.c (objc_fatal): Likewise.
1522 * protoize.c (usage, aux_info_corrupted,
1523 declare_source_confusing): Likewise.
1525 * rtl.c (dump_and_abort): Likewise.
1527 * rtl.h (sets_cc0_p): Likewise.
1529 * toplev.c (float_signal, pipe_closed): Likewise.
1531 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1533 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1534 when generating the decision tree for the general case.
1536 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1537 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1539 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1541 * Makefile.in (sched.o): Depend on recog.h.
1543 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1544 (unsigned) when comparing against one.
1545 (find_base_value): Likewise.
1546 (record_base_value): Cast variable `regno' to (unsigned) when
1547 comparing against one. Cast the result of REGNO() macro to
1548 (unsigned) when comparing against one.
1549 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1551 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1552 variable where an unsigned index is needed.
1554 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1555 before comparing against one.
1557 * collect2.c: Add prototypes for functions `error', `fatal' and
1558 `fatal_perror'. Make these functions take variable arguments
1559 instead of faking it with a fixed number of args.
1560 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1563 * combine.c (can_combine_p): Mark parameter `pred' with
1565 (find_split_point): Cast variable `src' to (unsigned
1566 HOST_WIDE_INT) when comparing against one.
1567 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1568 (simplify_logical): Likewise.
1569 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1570 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1571 HOST_WIDE_INT) in shift.
1572 (simplify_and_const_int): Cast result of INTVAL() macro to
1573 `unsigned HOST_WIDE_INT' when comparing against one.
1574 (merge_outer_ops): Cast variable const0 to `unsigned
1575 HOST_WIDE_INT' when comparing against the result of
1576 GET_MODE_MASK() macro.
1577 (simplify_comparison): Likewise for variable `c0'. Cast variable
1578 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1579 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1580 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1581 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1582 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1583 comparing against one.
1584 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1586 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1587 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1588 (output_block_move): Cast `sizeof' expression to (int) when
1589 comparing against one.
1590 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1592 (save_restore_insns): Cast `base_offset' to `long' to match format
1593 specifier in fprintf.
1595 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1596 to `enum machine_mode'.
1598 * flow.c (life_analysis_1): Remove unused variable `insn'.
1600 * gcc.c (translate_options): Move variables `j' and `k' into the
1601 scope in which they are used. Change their types to `size_t'.
1602 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1603 (read_specs): Likewise.
1604 (process_command): Cast `sizeof' to (int) when comparing against one.
1605 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1606 (handle_braces): Cast both sides of `==' expression to `long' to
1607 ensure sign matching.
1608 (main): Cast variable `i' to `int' when comparing against one.
1610 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1611 int to size_t. Cast variable `i' to size_t when comparing against
1614 * genattrtab.c (convert_set_attr_alternative): Remove unused
1615 parameter `insn_code'. All callers changed.
1616 (convert_set_attr): Likewise.
1618 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1619 size_t when comparing against one. Likewise for variable `len'.
1621 * global.c (global_alloc): Cast variable `max_regno' to size_t
1622 when comparing against one. Likewise for variable `max_allocno'.
1624 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1626 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1627 `set' with ATTRIBUTE_UNUSED.
1628 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1631 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1632 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1633 (get_condition): Cast variable `const_val' to `unsigned
1634 HOST_WIDE_INT' when comparing against one. Cast unsigned
1635 expression to HOST_WIDE_INT when comparing against one.
1636 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1637 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1638 `unsigned' when comparing against one.
1640 * protoize.c (is_id_char): Change type of parameter `ch' to
1642 (munge_compile_params): Cast argument of ctype macro to (const
1644 (process_aux_info_file): Cast variable `aux_info_size' to int when
1645 comparing against one.
1646 (forward_to_next_token_char): Cast argument of ctype macro to
1647 `const unsigned char'.
1648 (edit_formals_lists): Likewise.
1649 (find_rightmost_formals_list): Likewise.
1650 (add_local_decl): Likewise.
1651 (add_global_decls): Likewise.
1652 (edit_fn_definition): Likewise.
1653 (do_cleaning): Likewise.
1654 (scan_for_missed_items): Likewise.
1655 (edit_file): Cast variable `orig_size' to (int) when comparing
1657 (main): Cast argument of ctype macro to `const unsigned char'.
1659 * recog.c (const_int_operand): Mark parameter `mode' with
1662 * regclass.c (record_reg_classes): Change type of variable `c' to
1663 `unsigned char'. Cast `char' array index to `unsigned char'.
1665 * reload.c (push_secondary_reload): Cast argument to
1666 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1668 * reload1.c (calculate_needs): Cast `char' array index to
1670 (set_label_offsets): Change type of variable `i' to unsigned int.
1671 Cast result of XVECLEN() macro to unsigned when comparing against
1673 (mark_not_eliminable): Change type of variable `i' to unsigned.
1674 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1675 when comparing against one.
1676 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1677 comparing against one.
1678 (choose_reload_regs): Hide unused label `fail'.
1679 (reload_cse_simplify_operands): Cast `char' array index to
1681 (reload_combine_note_store): Mark parameter `set' with
1682 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1684 (reload_cse_move2add): Remove unused variable `src2'.
1686 * sched.c: Include recog.h.
1687 (sched_note_set): Remove unused parameter `b'. All callers
1689 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1690 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1691 when comparing against one.
1693 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1694 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1695 comparing against one.
1697 * unroll.c (precondition_loop_p): Remove unused parameter
1698 `loop_end'. All callers changed.
1700 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1702 * reload1.c (maybe_fix_stack_asms): New static function.
1705 * reload.h (compute_use_by_pseudos): Declare.
1707 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1708 (something_needs_reloads): Delete variable.
1709 (finish_spills): New function.
1710 (compute_use_by_pseudos): New function.
1712 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1713 Use the reload_insn_chain instead of walking the rtl directly.
1715 (reload): Allocate and free spilled_pseudos.
1716 Ensure that all calls of spill_hard_reg are followed by a call to
1718 Use the insns_need_reload list instead of something_needs_reloads
1719 to find out if reload_as_needed must be called.
1720 Clear unused_insn_chains at the end.
1722 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1724 Delete code to keep track of current basic block.
1725 Walk reload_insn_chain instead of the rtl structure. Build the
1726 insns_need_reload chain.
1727 Remember which insns need reloading/elimination by setting the
1728 appropriate fields in struct insn_chain, not by putting modes on the
1731 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1732 arg INSN. All callers changed.
1733 Delete declaration of struct needs.
1734 Don't set something_needs_reloads.
1735 Record insn needs in the CHAIN argument.
1737 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1739 (reload_as_needed): Lose FIRST arg. All callers changed.
1740 Walk the reload_insn_chain instead of the rtx structure.
1741 Delete code to keep track of current basic block.
1742 Rename one of the NEXT variables to OLD_NEXT.
1744 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1746 (choose_reload_regs): Likewise.
1748 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1751 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1752 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1753 (hard_regs_live, hard_regs_need_restore): Delete variables.
1754 (n_regs_saved): Now static.
1755 (referenced_regs, this_insn_sets): New variables.
1757 (setup_save_areas): Restructure the code a bit.
1759 (restore_referenced_regs): Delete function.
1760 (mark_referenced_regs): New function, similar to the old
1761 restore_referenced_regs, but mark registers in referenced_regs.
1763 (clear_reg_live): Delete function.
1764 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1765 Only mark registers in this_insn_sets.
1767 (save_call_clobbered_regs): Rework this function to walk the
1768 reload_insn_chain instead of using the list of instructions directly.
1769 Delete code to keep track of register lives, compute live regs on the
1770 fly from information in the chain.
1771 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1772 then walk the set it computes and call insert_restore as appropriate.
1774 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1776 Restructure the code a bit. Test hard_regs_saved instead of
1777 hard_regs_need_restore.
1778 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1779 args. All callers changed.
1780 Restructure the code a bit. Use TO_SAVE to determine which regs to
1781 save instead of more complicated test.
1782 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
1784 Create a new insn_chain structure for the new insn and place it
1787 * rtl.texi: Update documentation to reflect that reload no longer
1788 puts modes on the insns.
1790 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1792 * function.c (purge_addressof_1): Force the first argument of a
1793 CALL insn to memory.
1795 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
1797 * rtl.h: Delete duplicate prototypes. Add some missing
1799 * rtlanal.c: (for_each_rtx): Formatting tweak.
1801 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1803 * real.c (emdnorm and etoasc): Disable round to even for c4x target
1804 to be compatible with TI compiler.
1806 * Makefile.in (USER_H): Add va-c4x.h to definition.
1808 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
1810 * function.c (purge_addressof_1): Fix typo in inequality: do
1811 bitfield optimization for equal mode sizes.
1812 * expmed.c (store_bit_field): Don't take subregs of subregs in
1813 the movstrict case. Tidy a potential problem in the multi-word case.
1814 (extract_bit_field): Likewise.
1816 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1818 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
1820 Compute max_uid_for_flow by calling get_max_uid after the scan.
1821 (find_basic_blocks_1): Don't emit NOPs here.
1823 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
1825 * alias.c (base_alias_check): Accept new args for the modes of the
1826 two references. Use them to determine if an AND can overlap. Update
1828 (memrefs_conflict_p): Assume sizes are aligned, and uses them
1829 to determine if an AND can overlap.
1831 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
1833 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
1834 check. Add comment to document problems with TARGET_SUN_FPA version
1836 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
1838 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1840 * Makefile.in (gencheck.o): Depend on gansidecl.h.
1842 * c-common.c (print_char_table): Add missing initializers.
1843 (scan_char_table): Likewise.
1844 (time_char_table): Likewise.
1846 * c-decl.c (c_decode_option): Mark parameter `argc' with
1848 (declare_parm_level): Mark parameter `definition_flag' with
1851 * c-lex.c (readescape): Use `(unsigned)1' in shift.
1852 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
1855 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
1857 (emit_call_1): Mark parameters `fndecl' and `funtype' with
1859 (expand_call): Cast result of MIN() to (unsigned int) when
1860 comparing against an unsigned value.
1862 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
1864 (make_definition): Remove unused parameter `op'. All callers
1866 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
1867 comparing against the result of pointer arithmetic.
1869 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
1870 when comparing against one.
1872 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
1873 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
1875 (output_die): Move variable `i' into the scope in which it is
1876 used. Change its type to `unsigned'.
1877 (output_die): Cast the result of `strlen' to (int) when passing it
1878 to ASM_OUTPUT_ASCII().
1879 (output_pubnames): Likewise.
1880 (output_line_info): Likewise.
1882 * emit-rtl.c (global_rtl): Add missing initializers.
1884 * explow.c (promote_mode): Mark parameter `for_call' with
1887 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
1888 `unsigned HOST_WIDE_INT' when comparing against one.
1889 (synth_mult): Change type of variable `cost' to int.
1890 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
1892 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
1893 when comparing against one.
1894 (get_inner_reference): Change variable `alignment' to unsigned.
1895 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
1896 int) when comparing against one.
1897 (expand_builtin_setjmp): Change type of variable `i' to size_t.
1899 * fold-const.c (div_and_round_double): Cast BASE to
1900 (HOST_WIDE_INT) when comparing against one.
1902 * gencheck.c: Include gansidecl.h.
1903 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
1905 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
1906 `tcode' with ATTRIBUTE_UNUSED.
1908 * real.c (edivm): Cast constant value to (unsigned long) in
1909 expression compared against an unsigned value.
1911 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
1912 comparing against one.
1913 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
1914 when comparing against one.
1916 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
1917 (unsigned int) when comparing against one. Likewise for
1919 (smallest_mode_for_size): Likewise.
1920 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
1921 (restore_storage_status): Likewise.
1923 * toplev.c (debug_args): Add missing initializer.
1924 (f_options): Spelling correction. Add missing initializers.
1925 (documented_lang_options): Likewise.
1926 (debug_end_source_file): Mark parameter `lineno' with
1929 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
1930 `decl' and `type' with ATTRIBUTE_UNUSED.
1932 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
1933 when comparing against one.
1934 (assemble_variable): Mark parameter `top_level' with
1936 (assemble_external_libcall): Mark parameter `fun' with
1938 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
1941 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
1943 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
1944 Replace use of r5 with use of r19.
1946 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
1948 * config/v850/v850.c (compute_register_save_size): Allow for the
1949 fact that helper functions save all registers, not just those used
1952 Replace constant 31 with macro LINK_POINTER_REGNUM.
1954 * config/v850/v850.md: Use 'indirect_operand' rather than
1955 'memory_operand' for bit test/set/clear patterns.
1957 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
1959 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
1960 * varasm.c (assemble_start_function et al): Don't call
1961 ASM_GLOBALIZE_LABEL for weak symbols.
1963 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
1965 * cse.c (equiv_constant): Check for NULL return from
1966 gen_lowpart_if_possible().
1968 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
1970 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
1972 * collect2.c (main): Pass -EL/-EB through to the compiler.
1974 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1976 * expr.c (push_block): Handle targets where the stack grows
1977 to higher addresses, but args grow to lower addresses and
1978 ACCUMULATE_OUTGOING_ARGS is not defined.
1980 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
1982 * config/v850/v850.c (print_operand): Extend meaning
1983 of 'c' operands to support .vtinherit.
1985 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1987 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
1988 Added ATTRIBUTE_UNUSED to unused function arguments.
1989 (rc_reg_operand): New predicate.
1990 (c4x_rptb_insert): New function.
1991 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
1992 (c4x_optimization_options): New function.
1994 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
1995 (decrement_and_branch_on_count): New pattern.
1996 (rptb_top): Modified pattern to work with BCT optimization.
1998 * config/c4x/c4x.h (RC_REG): New register class.
1999 (rc_reg_operand): Define prototype.
2000 (IS_RC_REG): New macro.
2001 (IS_RC_OR_PSEUDO_REG): New macro.
2002 (IS_RC_OR_PSEUDO_REGNO): New macro.
2003 (OPTIMIZATION_OPTIONS): Define.
2005 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2007 * collect2.c (extract_init_priority): No priority is 65535.
2009 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2011 * Makefile.in (build_tooldir): new variable, same as old
2012 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2013 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2014 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2016 * configure.in (gxx_include_dir): set default based on unlibsubdir
2017 * Makefile.in (tooldir): ditto
2018 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2019 gxx_include_dir, includedir and tooldir
2020 (protoize.o, unprotoize.o): ditto
2022 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2024 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2026 * config/arm/thumb.c (thumb_override_options): Add warning about
2027 PIC code not being supported just yet.
2029 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2031 * flow.c: Update comment.
2032 (notice_stack_pointer_modification): New static function.
2033 (record_volatile_insns): Use it.
2034 (mark_regs_live_at_end): Mark the stack pointer as alive
2035 at the end of the function if current_function_sp_is_unchanging
2037 (life_analysis_1): Set current_function_sp_is_unchanging.
2038 * function.c: Define it.
2039 (init_function_start): Initialize it.
2040 * output.h: Declare it.
2041 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2042 the stack pointer as alive at the end of the function if
2043 current_function_sp_is_unchanging is set.
2044 * i386.c (ix86_epilogue): Optimize the restoring
2045 of the stack pointer.
2047 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2049 * version.c: Bump for snapshot.
2051 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2053 * c-pragma.c (handle_pragma_token): If passed a token instead
2054 of a tree, use that as the pack value.
2056 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2058 * flow.c (find_basic_blocks_1): Fix prototype.
2060 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2062 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2063 (struct tree_decl): New fields no_check_memory_usage.
2064 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2065 (init_attributes): Register it as a new attribute.
2066 (decl_attributes): Set flags on functions given that attribute.
2067 * c-decl.c (duplicate_decls): Merge new attribute.
2068 * expr.h (current_function_check_memory_usage): Declare new var.
2069 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2070 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2071 current_function_check_memory_usage.
2072 * function.h: Add field to struct function.
2073 * function.c (current_function_check_memory_usage): Define it.
2074 (push_function_context_to, pop_function_context_from): Save and
2076 (expand_function_start): Set it, based on global flag and function
2079 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2080 check non-automatic variables, to permit detection of writes to
2081 read-only locations in embedded systems without memory management.
2082 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2083 when emitting chkr_set_right_libfunc call, even if the argument is
2084 BLKmode or variable-sized; don't abort.
2086 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2087 symbols in Pmode, not VOIDmode.
2089 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2091 * cppexp.c: When forcing unsigned comparisons, cast both sides
2094 * cpphash.h: Move static declaration of hashtab[]...
2095 * cpphash.c: ...here.
2097 * cpplib.c: Cast difference of two pointers to size_t before
2098 comparing it to size_t. Cast signed to unsigned
2099 before comparing to size_t. (FIXME: struct argdata should use
2100 unsigned buffer sizes.)
2101 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2102 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2103 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2104 size_t before comparison.
2106 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2108 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2109 (find_basic_blocks_1): Similarly.
2110 * output.h (find_basic_blocks): Fix prototype.
2111 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2112 find_basic_blocks anymore.
2114 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2116 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2117 (sbitmap_free, sbitmap_vector_free): New macros.
2118 * output.h (rtl_dump_file): Declare.
2120 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2122 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2124 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2126 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2128 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2129 (divide): Remove unused variable `tmp'.
2130 (si_to_float): Cast numeric constant to (SItype) before comparing
2133 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2135 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2136 * gcc.c (add_preprocessor_option): Correct typo when allocating
2137 memory, sizeof() argument had one too many `*'.
2138 (add_assembler_option): Likewise.
2139 (add_linker_option): Likewise.
2140 * gcov.c (output_data): Likewise.
2141 * local-alloc.c (memref_used_between_p): Likewise.
2142 (update_equiv_regs): Likewise.
2143 * loop.c (strength_reduce): Likewise.
2144 * reg-stack.c (record_asm_reg_life): Likewise.
2145 (subst_asm_stack_reg): Likewise.
2146 * reorg.c (dbr_schedule): Likewise.
2148 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2150 * flow.c (life_analysis_1): Break out some functions.
2151 (find_basic_blocks_1): Likewise. Also move some variables out and
2153 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2154 new static var nonlocal_label_list with it.
2155 (active_eh_region, nested_eh_region, label_value_list,
2156 nonlocal_label_list): New static variables.
2157 (make_edges, delete_unreachable_blocks, delete_block): New static
2158 functions, broken out of find_basic_blocks_1.
2159 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2160 noop_move_p): New static functions, broken out of life_analysis_1.
2162 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2164 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2165 Take extra care for op0 now possibly being a subreg.
2166 (extract_bit_field): Likewise.
2167 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2168 the reg to memory if there is no equal sized integral mode.
2169 * stor-layout.c (int_mode_for_mode): New function.
2170 * machmode.h: Prototype it.
2172 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2174 * global.c (build_insn_chain): Verify no real insns exist past the
2175 end of the last basic block, then exit the loop.
2177 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2179 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2181 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2183 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2185 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2187 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2189 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2191 * flow.c (find_basic_blocks): Correctly determine when a call
2192 is within an exception region.
2194 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2196 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2198 * cpplib.h: Protect from multiple inclusions.
2199 * cpplib.c: Fix minor formatting problems.
2201 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2203 * jump.c (jump_optimize): Revert accidental patch.
2205 * Makefile.in (cpplib.o): Use unlibsubdir.
2207 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2209 * loop.c (get_condition): Allow combine when either compare is
2212 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2214 * version.c: Bump for snapshot.
2216 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2218 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2219 (init_lex): Initialize ridpointers[RID_BYREF].
2220 * c-lex.h (enum rid): Add RID_BYREF.
2221 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2222 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2223 (encode_type_qualifiers): Similarly
2224 * c-gperf.h: Rebuilt.
2226 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2228 * c-common.c (type_for_mode): Only return TItype nodes when
2229 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2230 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2231 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2232 (init_decl_processing): Only create TItype nodes when
2233 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2234 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2235 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2237 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2239 * stmt.c (n_occurrences): New static function.
2240 (expand_asm_operands): Verify that all constrains match in the
2241 number of alternatives.
2242 Verify that '+' or '=' are at the beginning of an output constraint.
2243 Don't allow '&' for input operands.
2244 Verify that '%' isn't written for the last operand.
2245 * reload.c (find_reloads): Abort if an asm is found with invalid
2246 constraints; all possible problems ought to be checked for earlier.
2248 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2250 * flags.h (flag_branch_on_count_reg): Always declare
2251 * toplev.c (flag_branch_on_count_reg): Likewise.
2252 * toplev.c: Fix typos.
2254 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2257 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2259 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2261 (find_basic_blocks_1): Add a nop to the end of a basic block when
2262 a trailing call insn does not have abnormal control flow.
2263 * gcse.c (pre_transpout): New variable.
2264 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2265 (compute_pre_transpout): Calculate it.
2266 (compute_pre_ppinout): Use it to eliminate impossible placements
2267 due to abnormal control flow through calls.
2268 (compute_pre_data): Call compute_pre_transpout.
2270 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2272 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2274 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2276 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2277 and matching define_insns): Tack on a `use' of the table label, so
2278 flow analysis will recognize a tablejump.
2280 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2282 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2283 always end basic blocks for abnormal edge reasons.
2285 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2287 * config/i386/i386.h: Remove definition of
2288 HANDLE_PRAGMA_PACK_PUSH_POP.
2290 * config/i386/go32.h: Add definition of
2291 HANDLE_PRAGMA_PACK_PUSH_POP.
2293 * config/i386/win32.h: Add definition of
2294 HANDLE_PRAGMA_PACK_PUSH_POP.
2296 * config/i386/cygwin32.h: Add definition of
2297 HANDLE_PRAGMA_PACK_PUSH_POP.
2299 * c-pragma.c (insert_pack_attributes): Do not insert
2300 attributes unless #pragma pack(push,<n>) is in effect.
2302 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2304 * expr.c (emit_group_store): Handle a PARALLEL destination.
2306 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2308 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2309 the new insns before the argument regs are loaded.
2311 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2313 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2314 (c-parse.gperf): Update comments describing invocation flags.
2315 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2317 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2319 * reload1.c (reload): Call free before clobbering the memory
2320 locations or constants pointers.
2322 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2324 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2325 for efficiency by checking whether we need to modify the current
2326 stack permission at all.
2327 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2328 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2329 __enable_execute_stack libcall here too if
2330 TRANSFER_FROM_TRAMPOLINE is defined.
2331 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2334 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2336 * Makefile.in (DRIVER_DEFINES): Remove last change.
2338 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2340 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2341 insns we're going to copy.
2342 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2344 * loop.c (count_one_set): Add prototype.
2346 * caller-save.c (restore_referenced_regs): Lose mode argument.
2347 (insert_save): Lose mode argument.
2348 (insert_restore): Lose mode argument.
2349 (insert_one_insn): Lose mode argument.
2350 (save_call_clobbered_regs): Lose mode argument.
2351 (setup_save_areas): Take no argument and return void. All callers
2353 Don't verify validity of memory addresses.
2354 * reload.h (setup_save_ares): Adjust prototype.
2355 (save_call_clobbered_regs): Likewise.
2356 * reload1.c (delete_caller_save_insns): New function.
2357 (caller_save_spill_class): Delete variable.
2358 (caller_save_group_size): Delete variable.
2359 (reload): Call setup_save_areas and save_call_clobbered_regs
2360 in the main loop, before calling calculate_needs_all_insns.
2361 Don't call save_call_clobbered_regs after the loop.
2362 Call delete_caller_save_insns at the end of an iteration if
2364 Delete code to manage caller_save_spill_class.
2365 Emit the final note before setting reload_first_uid.
2366 Simplify test that determines whether reload_as_needed gets run.
2367 (calculate_needs): Delete code to manage caller_save_spill_class.
2369 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2371 * collect2.c (main): Initialize ld_file_name.
2373 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2375 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2376 check for flag_function_sections.
2378 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2380 * cse.c (insert_regs): Fix bug in Sep 24 change.
2382 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2384 * flags.h (flag_dump_unnumbered): Declare.
2385 * toplev.c (flag_dump_unnumbered): Don't declare.
2386 * print-rtl.c (flags.h): Include.
2387 (print_rtl_single): Add return value.
2388 * rtl.h (print_rtl_single): Update declaration.
2389 * flow.c (flag_dump_unnumbered): Don't declare.
2390 (print_rtl_with_bb): Use return value of print_rtl_single.
2392 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2394 * loop.c (count_one_set): New static function, broken out of
2396 (count_loop_regs_set): Call it.
2397 * global.c (mark_reg_store): Handle clobbers here by not calling
2399 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2400 is in fact a clobber.
2401 * integrate.c (process_reg_param): New function, broken out of
2402 expand_inline_function.
2403 (expand_inline_function): Call it.
2406 * i386.md (addsidi3_1): Delete unused variable temp.
2407 (addsidi3_2): Likewise.
2408 (clstrstrsi): Delete unused variable addr1.
2410 * rtl.h: Don't declare any functions also declared in recog.h.
2412 * Makefile.in (stupid.o): Update dependencies.
2413 (global.o): Likewise.
2415 * global.c: Include reload.h
2416 (reg_becomes_live): New function.
2417 (reg_dies): New function.
2418 (build_insn_chain): New function.
2419 (global_alloc): Call build_insn_chain before calling reload.
2421 * reload.h (struct needs): New structure definition.
2422 (struct insn_chain): Likewise.
2423 (reload_insn_chain): Declare variable.
2424 (new_insn_chain): Declare function.
2427 * reload1.c (reload_startobj): New variable.
2428 (reload_insn_chain): New variable.
2429 (unused_insn_chains): New variable.
2430 (new_insn_chain): New function.
2431 (init_reload): Initialize reload_startobj, not reload_firstobj.
2432 (reload): Initialize reload_firstobj.
2433 Before returning, free everything on the reload_obstack.
2435 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2436 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2437 current_chain): New variables.
2438 (reg_where_born): Delete variable.
2439 (REG_WHERE_BORN): New macro.
2440 (find_clobbered_regs): New function.
2441 (stupid_life_analysis): Don't allocate/free reg_where_born.
2442 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2443 reg_where_dead_chain.
2444 Use REG_WHERE_BORN instead of reg_where_born.
2445 While processing the insns, build the reload_insn_chain with
2446 information about register lifetimes.
2447 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2448 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2450 Compute and information about birth and death of pseudo registers in
2451 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2452 Delete code to set elements of reg_where_born.
2454 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2456 * tree.def (GOTO_EXPR): Modified documentation.
2457 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2460 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2462 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2463 loop_final_value, loop_comparison_code): No longer static.
2464 (unroll_loop): Delete loop_start_value update.
2465 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2466 loop_final_value, loop_comparison_code): Extern.
2467 (loop_start_value): Delete extern.
2468 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2469 loop_comparison_value, loop_comparison_code): Delete.
2470 (loop_optimize): Remove initialization for deleted variables.
2471 (strength_reduce): Delete analyze_loop_iterations call. Only call
2472 insert_bct if flag_branch_count_on_reg set.
2473 (analyze_loop_iterations): Delete.
2474 (insert_bct): Remove iteration count calculation. Move checks for
2475 viable BCT optimization to here. Obtain iteration count from
2476 loop_iterations and correct for unrolling. Check for enough
2477 iteration to be beneficial. Comment out runtime iteration count
2479 (insert_bct): Print iteration count in dump file. Remove
2480 loop_var_mode and use word_mode directly.
2482 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2483 * rs6000.c (rs6000_override_options): Use it.
2484 (optimization_options): Enable use of flag_branch_on_count_reg.
2485 * rs6000.md (define_function_unit): Describe 604e.
2487 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2489 * loop.c (move_movables): Corrected threshold calculation for
2490 moved_once registers.
2492 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2494 * loop.c (combine_givs_p): Fix test for identical givs.
2496 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2498 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2499 call abort if the function is already defined.
2501 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2503 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2504 truncation is not a no-op.
2506 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2508 * version.c: Bump for snapshot.
2510 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2512 * version.c: Bump for snapshot.
2514 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2516 * expmed.c (expand_divmod): Don't widen for computing remainder
2517 if we seem to have a divmod pattern for needed mode.
2519 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2521 * cpplib.c (macroexpand): Correct off-by-one error in handling
2524 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2526 * combine.c (expand_field_assignment): Don't do bitwise operations
2527 on MODE_FLOAT; pun to MODE_INT if possible.
2529 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2530 scott snyder <snyder@d0sgif.fnal.gov>
2532 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2533 linker. Recognize mangled names in quotes.
2535 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2537 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2538 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2539 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2540 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2542 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2544 * function.c (purge_addressof_1): If trying to take a sub-word
2545 integral piece of a floating point mode, put it on the stack.
2547 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2549 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2551 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2553 * PROJECTS: Remove template friends.
2555 * collect2.c (sort_ids): Remove unused variable.
2557 * tm.texi (MATH_LIBRARY): Document.
2558 (NEED_MATH_LIBRARY): Remove.
2560 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2561 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2563 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2565 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2566 last_end to 0x7fffffff.
2568 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2570 * function.c (purge_addressof_1): Do not perform endianness
2571 corrections on bitpos, who we call will do it for us.
2573 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2575 * h8300.c (WORD_REG_USED): Fix typo.
2576 (initial_offset): Use WORD_REG_USED.
2578 * h8300.c (handle_pragma): Fix typo.
2580 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2582 * caller-save.c (insert_save_restore): Break this function up
2583 into new functions insert_restore, insert_save and insert_one_insn.
2584 All callers changed.
2585 (insert_restore): New function, mostly broken out of
2586 insert_save_restore.
2587 (insert_save): Likewise.
2588 (insert_one_insn): Likewise.
2589 (restore_referenced_regs): New argument BLOCK. All callers changed.
2590 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2591 in this function, do it in insert_one_insn instead.
2593 * reload1.c (reload): Break out some more pieces into separate
2595 (dump_needs): New function, broken out of reload.
2596 (set_initial_elim_offsets): Likewise.
2597 (init_elim_table): Likewise.
2598 (update_eliminables): Likewise.
2600 * global.c (global_alloc): Delete code to manage the scratch_list.
2601 * local-alloc.c (qty_scratch_rtx): Delete.
2602 (scratch_block): Delete.
2603 (scratch_list): Delete.
2604 (scratch_list_length): Delete.
2605 (scratch_index): Delete.
2606 (alloc_qty_for_scratch): Delete.
2607 (local-alloc): Update initialization of max_qty.
2608 Delete code to manage the scratch list.
2609 Delete code to allocate/initialize qty_scratch_rtx.
2610 (block_alloc): Don't allocate quantities for scratches.
2611 Delete code to manage the scratch list.
2612 * regs.h (scratch_list): Delete declaration.
2613 (scratch_block): Delete declaration.
2614 (scratch_list_length): Delete declaration.
2615 * reload1.c (reload): Delete code to manage the scratch list.
2616 (spill_hard_reg): Likewise.
2617 (mark_scratch_live): Delete.
2619 * recog.c (alter_subreg): Delete declaration.
2621 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2623 * Makefile.in (cccp.o): Fix typo in last patch.
2625 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2627 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2628 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2630 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2632 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2633 NULL_RTX as an argument.
2635 * Makefile.in (unlibsubdir): Define.
2636 (DRIVER_DEFINES): Use unlibsubdir.
2637 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2638 (stmp-fixinc): Similarly.
2640 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2642 * regmove.c (regmove_optimize): Add variable old_max_uid.
2643 At the end of the function, update basic_block_end.
2645 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2647 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2648 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2651 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2653 * config/arm/arm.c: Improve interworking support.
2655 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2657 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2658 copied from reload_out[r] .
2660 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2662 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2663 with more than three size ranges.
2665 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2667 * rtl.c (mode_name): Add a null string at the end of the array.
2668 (mode_wider_mode): Change type to unsigned char.
2669 (mode_mask_array): New variable.
2670 (init_rtl): Update for mode_wider_mode type change.
2672 * rtl.h (mode_wider_mode): Change type to unsigned char.
2673 (mode_mask_array): Declare.
2674 (GET_MODE_MASK): Use mode_mask_array.
2676 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2678 * calls.c (expand_call) : Encapsulate code into
2679 copy_blkmode_from_reg.
2680 * expr.c (copy_blkmode_from_reg): New function.
2681 * expr.h (copy_blkmode_from_reg): New function.
2682 * integrate.c (function_cannot_inline_p): We can inline
2684 (expand_inline_function): Use copy_blkmode_from_reg
2685 if needed. Avoid creating BLKmode REGs.
2686 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2689 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2691 * config/v850/v850.c: Add function prototypes.
2692 Add support for v850 special data areas.
2694 * config/v850/v850.h: Add support for v850 special data areas.
2696 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2697 HANDLE_PRAGMA_PACK_PUSH_POP.
2698 (push_alignment): New function: Cache an alignment requested
2699 by a #pragma pack(push,<n>).
2700 (pop_alignment): New function: Pop an alignment from the
2702 (insert_pack_attributes): New function: Generate __packed__
2703 and __aligned__ attributes for new decls whilst a #pragma pack
2705 (add_weak): New function: Cache a #pragma weak directive.
2706 (handle_pragma_token): Document calling conventions. Add
2707 support for #pragma pack(push,<n>) and #pragma pack (pop).
2709 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2710 are defined enable HANDLE_PRAGMA_PACK.
2711 Move 'struct weak_syms' here (from varasm.c).
2712 Add pragma states for push and pop pragmas.
2714 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2717 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2718 HANDLE_GENERIC_PRAGMAS.
2720 * varasm.c: Move definition of 'struct weak_syms' into
2722 (handle_pragma_weak): Deleted.
2724 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2726 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2728 * c-decl.c (start_function): Add invocation of
2729 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2731 * tm.texi: Remove description of non-existant macro
2732 SET_DEFAULT_SECTION_NAME.
2734 (HANDLE_SYSV_PRAGMA): Document.
2735 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2737 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2739 * config.sub: Recognize i[34567]86-pc-udk as new target.
2740 * configure.in: Likewise.
2741 * config/i386/t-udk: New file.
2742 * config/i386/udk.h: New file.
2744 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2746 * reorg.c (check_annul_list_true_false): Remove unused variables.
2747 (steal_delay_list_from_target): Add missing "used_annul" variable.
2748 (try_merge_delay_insns): Close out half formed comment.
2750 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2752 * cpplib.c (macroexpand): If arg->raw_before or
2753 arg->raw_after, remove any no-reexpansion escape at the
2754 beginning of the pasted token. Correct handling of whitespace
2755 markers and no-reexpand markers at the end if arg->raw_after.
2757 * toplev.c (documented_lang_options): Recognize -include,
2758 -imacros, -iwithprefix, -iwithprefixbefore.
2759 * cpplib.c (cpp_start_read): Process -imacros and -include
2760 switches at the same time and in command-line order, after
2761 initializing the dependency-output code. Emit properly nested
2762 #line directives for them. Emit a #line for the main file
2763 before processing these switches, and don't do it again
2766 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2768 * function.c (purge_addressof_1): Use bitfield manipulation
2769 routines to handle mem mode < reg mode.
2771 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2773 * reorg.c (try_merge_delay_insns): Account for resources referenced
2774 in each instruction in INSN's delay list before trying to eliminate
2775 useless instructions. Similarly when looking at a trial insn's delay
2778 * reorg.c (check_annul_list_true_false): New function.
2779 (steal_delay_list_from_{target,fallthrough}): Call it and also
2780 refine tests for when we may annul if already filled a slot.
2781 (fill_slots_from_thread): Likewise.
2782 (delete_from_delay_slot): Return newly-created thread.
2783 (try_merge_delay_isns): Use its new return value.
2785 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
2787 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
2788 used to compute a giv or as some other non-counting use.
2790 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2792 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2793 * local-alloc.c (find_free_reg): Use it.
2794 * global.c (find_reg): Likewise.
2795 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
2797 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
2798 * caller-save.c (init_caller_save): Use it.
2799 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
2801 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2803 * configure.in: Add --enable-cpplib option which uses cpplib
2804 for cpp, but doesn't link cpplib into cc1. Make help text
2805 capitalization consistent.
2806 * configure: Rebuilt.
2808 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
2810 * function.c (gen_mem_addressof): If the address REG is
2811 REG_USERVAR_P make the new REG be so also.
2812 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
2813 in an attempt to clarify slightly.
2815 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
2817 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
2818 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
2820 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
2822 * toplev.c: Fix last patch.
2824 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
2826 * loop.c (get_condition): Fix typo in May 9 change.
2828 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2830 * invoke.texi (-fexceptions): Merge 2 different descriptions.
2832 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2834 * toplev.c (documented_lang_options): Spelling corrections.
2836 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2838 * configure.in: new flags --with-ld and --with-as, equivalent
2839 to setting LD and AS environment variables. Test whether
2840 specified arguments are GNU commands, and report them with
2841 checking messages. Use the specified AS for configure
2844 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
2846 * gcc.c (find_a_file): when looking for `as' and `ld', return
2847 the DEFAULT program if it exists
2848 * collect2.c (main): use DEFAULT_LINKER if it exists
2850 * gcc.c (find_a_file): the test for existence of a full
2851 pathname was reversed
2853 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
2855 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
2856 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
2858 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
2860 * tree.h (TYPE_BINFO): Document.
2862 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
2864 * i386-coff.h (dbxcoff.h): Added.
2866 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
2868 * toplev.c: fix bad patch around flag_data_sections.
2870 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
2872 * reload1.c (reload): Use reload_address_index_reg_class and
2873 reload_address_base_reg_class when setting
2874 caller_save_spill_class. (Patch generated by Jim Wilson:
2877 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
2879 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
2880 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
2881 * expr.c (store_field): Add alias_set parameter. Set the
2882 MEM_ALIAS_SET accordingly, if the target is a MEM.
2883 (expand_assignment): Use it.
2884 (store_constructor_field): Pass 0.
2885 (expand_expr): Likewise.
2887 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
2889 * flags.h: Add flag_data_sections.
2890 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
2891 (compile_file): Error if flag_data_sections not supported.
2892 * varasm.c (assemble_variable): Handle flag_data_sections.
2893 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
2894 * config/mips/elf.h: Likewise.
2895 * config/mips/elf64.h: Likewise.
2896 * invoke.texi: Describe -fdata-sections.
2898 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
2900 * invoke.texi (-ffloat-store): Clarify that this option
2901 does not affect intermediate results -- only variables.
2903 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
2905 * cpp.texi: Update for Fortran usage from Craig.
2907 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2909 * rs6000.c (function_arg_boundary): Revert accidental change on
2912 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
2914 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
2915 (output_mi_thunk): Declare.
2917 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
2918 (output_function_profiler): Use r12 for temp, instead of r11 so
2919 that we preserve the static chain register.
2921 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
2923 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
2925 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2927 * sh.c (gen_shl_sext): Fix case 5.
2929 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2931 * reload1.c (reload_combine): Re-add line that got accidentally lost.
2933 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2935 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
2936 accessing variables until they are initialized via va_arg().
2938 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2940 * reload1.c (reload_combine): Initialize set before using.
2942 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
2944 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
2947 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
2949 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
2950 operand3 with mask before using it. Patch provided by Jim Wilson.
2952 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2954 * config/sparc/sparc.c (function_value): Perform the equivalent of
2955 PROMOTE_MODE for ARCH64.
2956 (eligible_for_epilogue_delay): Allow DImode operations in delay
2957 slot of a return for ARCH64.
2959 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2961 * sh.md (sqrtsf2): Fix mode of sqrt.
2963 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2965 * reload1.c (choose_reload_regs): Also try inheritance when
2966 reload_in is a stack slot of a pseudo, even if we already got a
2969 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2971 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
2972 (reload_cse_regs): New function body: call reload_cse_regs_1,
2973 reload_combine, reload_cse_move2add.
2974 When doing expensive_optimizations, call reload_cse_regs_1 a
2975 second time after reload_cse_move2add.
2976 (reload_combine, reload_combine_note_store): New functions.
2977 (reload_combine_note_use): New function.
2978 (reload_cse_move2add, move2add_note_store): New functions.
2980 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2982 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
2983 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
2985 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
2986 more than 3 such reloads.
2988 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
2989 RELOAD_FOR_X_ADDR_ADDR reload.
2991 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2993 * expr.c (store_constructor): When initializing a field that is smaller
2994 than a word, at the start of a word, try to widen it to a full word.
2996 * cse.c (cse_insn): When we are about to change a register,
2997 remove any invalid references to it.
2999 (remove_invalid_subreg_refs): New function.
3000 (mention_regs): Special treatment for SUBREGs.
3001 (insert_regs): Don't strip SUBREG for call to mention_regs.
3002 Check if reg_tick needs to be bumped up before that call.
3003 (lookup_as_function): Try to match known word_mode constants when
3004 looking for a norrower constant.
3005 (canon_hash): Special treatment for SUBREGs.
3007 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3009 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3010 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3011 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3012 and offsets in actual stack trampoline code so they match the
3013 commentary and actually work.
3015 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3017 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3019 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3020 tmake_file. Set extra_parts to needed crt objects.
3021 * configure: Rebuilt.
3022 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3023 (TARGET_DEFAULT): Set if default is v9 or ultra.
3024 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3025 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3026 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3027 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3028 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3029 (TARGET_VERSION): Define.
3030 (MULTILIB_DEFAULT): Define.
3031 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3032 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3033 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3035 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3036 * config/sparc/sparc.c (sparc_override_options): If arch and
3037 pointer size disagree, emit diagnostic and fix it up. If
3038 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3039 V8PLUS in 64-bit mode.
3040 * config/sparc/t-linux64: New file.
3041 * config/sparc/t-sol2-64: New file.
3042 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3043 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3044 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3045 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3046 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3047 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3049 (STARTFILE_SPEC): Set approriately based upon those.
3050 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3051 disposition of DEFAULT_ARCH32_P.
3052 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3053 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3054 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3055 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3056 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3058 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3060 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3062 * rtl.h (init_virtual_regs): New function.
3063 * emit-rtl.c (init_virtual_regs): Define.
3064 (insn_emit): Use it.
3065 * integrate.c (save_for_inline_copying): Likewise.
3067 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3069 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3070 (enum reg_class): Add NONARG_LO_REGS support.
3071 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3072 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3073 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3074 completes. Re-enable HImode REG+OFFSET addresses.
3075 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3077 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3079 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3081 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3082 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3083 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3085 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3087 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3088 jumps as a single entity, taking into account the size of the
3091 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3093 * tree.def (SWITCH_EXPR): New tree node definition.
3095 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3097 * version.c: Bump for snapshot.
3099 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3101 * version.c: Bump for snapshot.
3103 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3105 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3108 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3110 * Revert this patch.
3111 * reload.c (find_reloads): Do not replace a pseudo with
3112 (MEM (reg_equiv_addr)) in the initializing insn for the
3115 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3117 * final.c (final_scan_insn): Disable tracking CC across branches.
3119 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3121 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3122 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3123 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3124 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3125 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3127 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3129 * toplev.c (rest_of_compilation): Skip compiling anything with
3130 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3132 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3134 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3135 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3136 use in_libcall_block.
3137 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3138 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3141 Mon Sep 21 14:02:23 1998
3143 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3144 typo in no-fancy-math-387 description.
3146 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3148 * version.c: Bump for snapshot.
3150 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3152 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3154 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3156 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3157 documented in install.texi.
3158 (TARGET_OPTIONS) Likewise.
3160 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3162 * version.c: Bump for snapshot.
3164 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3166 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3167 * cccp.c (main): Likewise.
3169 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3170 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3173 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3175 * Makefile.in (LIBS): Link in libiberty.a.
3176 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3178 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3180 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3181 it to update bb boundaries. Update caller.
3182 * function.c (reposition_prologue_and_epilogue_notes): Update
3183 bb boundaries wrt the moved note.
3185 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3187 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3189 * configure: Regenerate.
3191 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3193 * alpha.c (alpha_sr_alias_set): New variable.
3194 (override_options): Set it.
3195 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3196 (mode_mask_operand): Fix signed-unsigned comparision warning.
3197 (alpha_expand_block_move): Likewise.
3198 (print_operand): Likewise.
3199 (get_aligned_mem): Use change_address.
3200 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3201 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3202 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3203 (alpha_align_insns): Remade from old alphaev5_align_insns
3204 to handle multiple processors.
3205 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3206 * output.h (label_to_alignment): Prototype.
3208 * tree.c (new_alias_set): New function.
3209 * tree.h (new_alias_set): Declare it.
3210 * c-common.c (c_get_alias_set): Use it.
3212 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3214 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3215 to an ABS expr, convert an unsigned input to signed.
3217 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3219 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3221 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3223 * configure.in: Add support for c4x targets.
3224 * configure: Rebuilt.
3226 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3228 * combine.c (distribute_notes): If an insn is a cc0 user, only
3229 delete it if we can also delete the cc0 setter.
3231 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3233 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3234 (invert_truthvalue): Enable truthvalue inversion for
3235 floating-point operands if -ffast-math.
3237 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3239 * configure.in: Disable collect2 for nextstep. Instead use
3241 * configure: Rebuilt.
3242 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3243 (ENDFILE_SPEC): Define.
3244 (OBJECT_FORMAT_MACHO): Define.
3245 (EH_FRAME_SECTION_ASM_OP): Define.
3246 * crtstuff.c: Handle MACHO.
3248 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3250 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3252 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3254 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3255 (_fpadd_parts): Get sign right for 0.
3257 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3259 * ginclude/varargs.h: Add support for C4x target.
3260 * ginclude/stdargs.h: Likewise.
3262 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3264 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3265 (alpha_emit_set_long_const): Rewrite to be callable from reload
3267 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3268 * alpha.md (movdi): Likewise.
3270 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3272 * arm.c (add_constant): New parameter address_only, change caller.
3273 Set it non-zero if taking the address of an item in the pool.
3274 (arm_reorg): Handle cases where we need the address of an item in
3277 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3279 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3280 memory addresses that are not in standard canonical form.
3282 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3284 * README.C4X: New file with information about the c4x ports.
3285 * ginclude/va-c4x.h: New file for c4x varargs support.
3286 * config/c4x: New directory with c4x port files.
3288 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3290 * reload.c (find_reloads): Do not replace a pseudo with
3291 (MEM (reg_equiv_addr)) in the initializing insn for the
3294 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3296 * toplev.c (rest_of_compilation): Set bct_p on second call to
3298 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3300 (strength_reduce): Only call analyze_loop_iterations and
3301 insert_bct if bct_p set.
3302 (check_dbra_loop): Fix typo.
3303 (insert_bct): Use word_mode instead of SImode.
3304 (instrument_loop_bct): Likewise. Do not delete iteration count
3305 condition code generation insn. Initialize iteration count before
3307 * rtl.h (loop_optimize): Update prototype.
3309 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3310 not doubleword aligned.
3312 * rs6000.c (optimization_options): New function.
3313 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3314 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3315 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3316 first; cr1 can be used for FP record condition insns.
3318 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3320 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3323 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3326 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3328 (block_move_call): New function: Call a library routine to copy a
3330 (m32r_expand_block_move): New function: Expand a "movstrsi"
3331 pattern into a sequence of insns.
3332 (m32r_output_block_move): New function: Expand a
3333 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3334 (m32r_block_immediate_operand): New function: Return true if the
3335 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3337 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3339 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3341 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3343 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3345 * regmove.c (copy_src_to_dest): Check that modes match.
3347 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3349 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3351 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3353 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3354 narrower than FLOAT_REGS.
3356 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3358 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3360 * Makefile.in (old_gxx_include_dir): removed
3362 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3364 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3367 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3368 (sh_handle_pragma): Change function arguments to match new
3369 specification for HANDLE_PRAGMA.
3371 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3373 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3375 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3376 When generating output, initialize missing struct member to zero.
3378 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3380 * regmove.c (copy_src_to_dest): Don't copy if that requires
3381 (a) new register(s).
3383 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3385 * global.c (reg_allocno): Now static.
3386 * reload1.c (reg_allocno): Delete declaration.
3387 (order_regs_for_reload): Take no arguments. Don't treat regs
3388 allocated by global differently than those allocated by local-alloc.
3390 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3392 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3393 condition, fix format strings.
3394 (output_function_epilogue): Likewise.
3396 * m68k/m68k.c: Don't include <stdlib.h> directly.
3398 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3400 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3401 mem_first_set, mem_last_set; because 0 can be a CUID.
3402 (oprs_unchanged_p): Use new definition.
3403 (record_last_reg_set_info): Likewise.
3404 (record_last_mem_set_info): Likewise.
3405 (compute_hash_table): Likewise.
3407 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3409 * rs6000.c (output_epilogue): Handle Chill.
3411 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3412 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3414 * combine.c (make_extraction): If no mode is specified for
3415 an operand of insv, extv, or extzv, default it to word_mode.
3416 (simplify_comparison): Similarly.
3417 * expmed.c (store_bit_field): Similarly.
3418 (extract_bit_field): Similarly.
3419 * function.c (fixup_var_regs_1): Similarly.
3420 * recog.c (validate_replace_rtx_1): Similarly.
3421 * mips.md (extv, extzv, insv expanders): Default modes for most
3422 operands. Handle TARGET_64BIT.
3423 (movdi_uld, movdi_usd): New patterns.
3425 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3426 equivalent memory location unless we have been provided a scratch
3427 register. Similarly do not call find_replacement unless a
3428 scratch register has been provided.
3430 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3432 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3435 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3437 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3438 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3439 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3440 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3441 * c-decl.c (init_decl_processing): Update accordingly.
3442 * expr.c (expand_builtin): Likewise.
3444 * rtl.h (global_rtl): Add cfa entry.
3445 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3446 (LAST_VIRTUAL_REGISTER): Update.
3447 * emit-rtl.c (global_rtl): Add cfa entry.
3448 (init_emit): Initialize it.
3449 * function.c (cfa_offset): New.
3450 (instantiate_virtual_regs): Initialize it.
3451 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3452 (expand_function_end): Call expand_eh_return.
3453 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3455 * except.c (current_function_eh_stub_label): Kill.
3456 (current_function_eh_old_stub_label): Likwise; update all references.
3457 (expand_builtin_set_return_addr_reg): Kill.
3458 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3459 (expand_builtin_set_eh_regs): Kill.
3460 (eh_regs): Produce a third reg for the actual handler address.
3461 (eh_return_context, eh_return_stack_adjust): New.
3462 (eh_return_handler, eh_return_stub_label): New.
3463 (init_eh_for_function): Initialize them.
3464 (expand_builtin_eh_return, expand_eh_return): New.
3465 * except.h: Update prototypes.
3466 * flow.c (find_basic_blocks_1): Update references to the stub label.
3467 * function.h (struct function): Kill stub label elements.
3469 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3470 register number is one that would be in the previous window.
3471 Provide a dummy definition for non-windowed targets.
3472 (get_reg_addr): New function.
3473 (get_reg, put_reg, copy_reg): Use it.
3474 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3475 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3477 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3478 (alpha_init_expanders): Initialize it.
3479 (alpha_expand_epilogue): Use it.
3480 * alpha.h: Declare it.
3481 * alpha.md (eh_epilogue): New.
3483 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3484 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3486 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3488 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3491 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3493 * except.h (struct eh_entry): Add false_label field.
3494 (end_catch_handler): Add prototype.
3495 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3496 (start_catch_handler): When using old style exceptions, issue
3497 runtime typematch code before continuing with the handler.
3498 (end_catch_handler): New function, generates label after handler
3499 if needed by older style exceptions.
3500 (expand_start_all_catch): No need to check for new style exceptions.
3501 (output_exception_table_entry): Only output the first handler label
3502 for old style exceptions.
3503 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3504 mechanism into one function, if a runtime matcher is provided.
3506 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3508 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3510 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3512 * integrate.c (copy_decl_list): Fix typo.
3514 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3516 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3519 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3521 * version.c: Bump for snapshot.
3523 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3525 * version.c: Bump for snapshot.
3527 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3529 * version.c: Bump for snapshot.
3531 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3533 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3535 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3537 * configure.in: remove usage of `!' to negate the result of a
3538 command; some common shells do not support it
3540 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3542 * configure.in: in sparc9-sol2 config, use 'if test' not
3544 * configure: Rebuilt.
3546 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3548 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3549 (CPP_CPU_DEFAULT_SPEC): Likewise.
3550 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3551 for arch64 libfuncs.
3553 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3556 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3558 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3560 * collect2.c: Don't declare `sys_siglist' here.
3561 (my_strsignal): Prototype and define new function. Use it in
3562 place of `sys_siglist' hacks.
3564 * mips_tfile.c: Likewise.
3566 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3567 (GCC_NEED_DECLARATIONS): Likewise.
3569 * system.h (strsignal): Prototype it, if necessary.
3570 (sys_siglist): Declare it, if necessary.
3572 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3574 * loop.c (move_movables): While removing insn sequences, preserve
3575 the next pointer of the most recently deleted insn when we skip
3578 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3580 * objc/config-lang.in: Do not output the name of the selected
3581 thread file when building the front-end. The Makefile for the
3582 runtime library will do this.
3584 * objc/Make-lang.in: Do not build the runtime library or install
3585 the Objective C header files. The Makefile for the runtime
3586 library will do this.
3588 * objc/Makefile.in (all.indirect): Only build the front-end.
3589 (compiler): Rename to `frontend'.
3590 (obj-runtime): Remove target.
3591 (copy-headers): Likewise.
3592 (clean): No need to remove `libobjc.a' any longer.
3594 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3596 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3597 supported with -mcpu=xxx.
3599 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3601 * flow.c (mark_set_1): Recognize multi-register structure return
3602 values in CALL insns.
3603 (mark_used_regs): Likewise.
3604 (count_reg_sets_1): Likewise.
3605 (count_reg_references): Likewise.
3606 * rtlanal.c (note_stores): Likewise.
3607 (reg_overlap_mentioned_p): Likewise.
3608 * haifa-sched.c (check_live_1): Likewise.
3609 (update_live_1): Likewise.
3610 (sched_analyze_1): Likewise.
3611 (sched_note_set): Likewise.
3612 (birthing_insn_p): Likewise.
3613 (attach_deaths): Likewise.
3615 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3618 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3620 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3622 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3624 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3626 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3628 * configure.in: Add check for GAS subsection -1 support.
3629 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3630 * configure config.in: Rebuilt.
3631 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3632 SImode is subsection -1 works, else use DImode.
3633 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3634 subsection -1 works.
3635 * config/sparc/sparc.c (sparc_output_addr_vec,
3636 sparc_output_addr_diff_vec): Use them if defined.
3638 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3640 * tree.h (DECL_ORIGIN): New macro.
3641 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3642 (copy_decl_list): Use it.
3643 (integrate_parm_decls): Likewise.
3644 (integrate_decl_tree): Likewise.
3645 * dwarf2out.c (decl_ultimate_origin): Simplify.
3646 * dwarfout.c (decl_ultimate_origin): Likewise.
3647 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3648 (pushdecl): Likewise.
3650 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3652 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3654 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3656 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3658 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3660 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3661 empty or has a single entry.
3663 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3664 before calling reg_to_stack.
3666 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3668 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3669 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3671 * c-tree.h (warn_long_long): Declare it.
3673 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3675 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3676 initialized float-int union if the value is a NaN.
3678 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3680 * c-lex.c (real_yylex): Don't warn about long long constants if
3681 we're allowing long long
3683 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3685 * except.h (current_function_eh_stub_label): Declare.
3686 (current_function_eh_old_stub_label): Declare.
3687 * function.h (struct function): New members eh_stub_label and
3689 * except.c (current_function_eh_stub_label): New variable.
3690 (current_function_eh_old_stub_label): New variable.
3691 (init_eh_for_function): Clear them.
3692 (save_eh_status): Save them.
3693 (restore_eh_status): Restore them.
3694 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3695 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3696 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3697 make an edge from the block that contains it to the block starting
3698 with the label if this label is one of the eh stub labels.
3699 If eh stub labels exist, show they are reachable from the last block
3702 * reload1.c (reload): Break out several subroutines and make some
3704 (calculate_needs_all_insns): New function, broken out of reload.
3705 (calculate_needs): Likewise.
3706 (find_reload_regs): Likewise.
3707 (find_group): Likewise.
3708 (find_tworeg_group): Likewise.
3709 (something_needs_reloads): New global variable, formerly in reload.
3710 (something_needs_elimination): Likewise.
3711 (caller_save_spill_class): Likewise.
3712 (caller_save_group_size): Likewise.
3713 (max_needs): Likewise.
3714 (group_size): Likewise.
3715 (max_groups): Likewise.
3716 (max_nongroups): Likewise.
3717 (group_mode): Likewise.
3718 (max_needs_insn): Likewise.
3719 (max_groups_insn): Likewise.
3720 (max_nongroups_insn): Likewise.
3721 (failure): Likewise.
3723 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3725 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3727 * loop.c (load_mems): Copy rtx for output mem.
3729 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3731 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3732 mips1 or mips2 either.
3734 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3736 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3738 (pa_adjust_insn_length): Update to work with new marking scheme
3739 for jumps inside switch tables.
3740 * pa.md (switch_jump): Remove pattern.
3741 (jump): Handle jumps inside jump tables.
3743 * Makefile.in (profile.o): Depend on insn-config.h
3745 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3747 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3749 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3751 Add preliminary native sparcv9 Solaris support.
3752 * configure.in: Recognize sparv9-*-solaris2*
3753 * configure: rebuilt
3754 * config.sub: Recognize sparcv9 just like sparc64.
3755 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3756 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3757 32-bit and 64-bit Solaris systems.
3758 * config/sparc/t-sol2: Assemble those with cpp.
3759 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3760 (*TF*_LIBCALL): If ARCH64 use V9 names.
3761 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3763 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3765 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3766 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3768 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3770 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3771 to Pmode if CASE_VECTOR_MODE is something else.
3773 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3775 * prefix.c (update_path): Correctly handle cases where PATH is
3776 a substring of the builtin prefix, but specifies a different
3779 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3781 * expr.c: Corrected comment about what MOVE_RATIO does.
3782 * config/alpha/alpha.h: Ditto.
3783 * config/1750a/1750a.h: Ditto.
3784 * config/clipper/clipper.h: Ditto.
3785 * config/i386/i386.h: Ditto.
3787 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
3789 * configure.in (m68k-next-nextstep3*): Use collect2.
3790 Similarly for x86 NeXT configurations.
3791 * configure: Rebuilt.
3793 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
3795 * configure.in: Don't assume srcdir is .../gcc
3796 * configure: Rebuilt.
3798 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
3800 * global.c: Update comments.
3801 (global_alloc): Assign allocation-numbers
3802 even for registers allocated by local_alloc in case
3803 they are later spilled and retry_global_alloc is called.
3804 (mark_reg_store, mark_reg_clobber,
3805 mark_reg_conflicts, mark_reg_death): Always record a
3806 conflict with a pseudo register even if it has been
3807 assigned to a hard register.
3808 (dump_conflicts): Don't list pseudo registers already assigned to
3809 a hard register as needing to be allocated, but do list their
3811 * local-alloc.c: Update comment.
3813 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
3815 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
3816 * configure: Rebuilt.
3818 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
3820 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
3822 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
3823 for all targets that set -msoft-float.
3825 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * toplev.c (print_switch_values): Make static to match prototype.
3829 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
3831 * configure.in: If we are unable to find the "gnatbind" program,
3832 then do not configure the ada subdir.
3833 * configure: Rebuilt.
3835 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
3837 * version.c: Bump for snapshot.
3839 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
3841 * version.c: Bump for snapshot.
3843 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3845 * Makefile.in (toplev.o): Depend on $(EXPR_H).
3846 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
3848 * gansidecl.h: Define ATTRIBUTE_NORETURN.
3850 * genattrtab.c: Have insn-attrtab.c include toplev.h.
3852 * genextract.c: Have insn-extract.c include toplev.h.
3854 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
3856 * toplev.c: Include expr.h.
3857 (really_sorry, fancy_abort): Remove prototypes.
3858 (set_target_switch): Add argument in prototype.
3859 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
3860 (v_really_sorry): Likewise.
3861 (print_version, print_single_switch, print_switch_values): Make
3862 static and add prototype arguments.
3863 (decl_printable_name): Add prototype arguments.
3864 (lang_expand_expr_t): New typedef.
3865 (lang_expand_expr): Declare as a lang_expand_expr_t.
3866 (incomplete_decl_finalize_hook): Add prototype argument.
3867 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
3868 (botch): Likewise for variable `s'.
3869 (rest_of_type_compilation): Mark variables `type' and `toplev'
3870 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
3871 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
3872 (display_help): Make variable `i' an `unsigned long'.
3873 (main): Remove unused parameter `envp'.
3874 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
3875 Cast -1 when comparing it with a `size_t'.
3877 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
3878 prototype with ATTRIBUTE_NORETURN.
3879 (fatal_insn_not_found, fatal_insn, really_sorry,
3880 push_float_handler, pop_float_handler): Add prototypes.
3881 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
3882 (do_abort, botch): Add prototypes.
3884 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
3886 * final.c (final): If a label is reached only from a single jump,
3887 call NOTICE_UPDATE_CC on the jump and its predecessor before
3888 emitting the insn after the label.
3890 * i386.h: Add AMD K6 support.
3891 Change TARGET_* macros to use table lookup.
3892 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
3893 (ADJUST_COST): Change definition to call function in i386.c.
3894 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
3895 * i386.c: Add AMD K6 support.
3896 Add constants for feature tests used by TARGET_* macros.
3897 (split_di): If before reload, call gen_lowpart and gen_highpart.
3898 (x86_adjust_cost): New function.
3899 (put_jump_code): New function.
3900 (print_operand): New codes 'D' and 'd'.
3901 * i386.md: New insn types. New insn attribute "memory".
3902 Redefine scheduling parameters to use new types and add AMD K6
3903 support. Explicitly set type of most insns.
3904 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
3905 Pro and K6 prefer movl $1,reg to incl reg.
3906 (adddi3, subdi3): Set cc_status.
3907 (DImode shift patterns): Change label counters from HOST_WIDE_INT
3908 to int; x86 can't have more than 2^31 DImode shifts per file.
3909 (setcc): Combine all setcc patterns. Allow writing memory.
3910 Combine all jump patterns using match_operator.
3911 (*bzero): Name pattern. Emit mutliple stos instructions when that
3912 is faster than rep stos.
3913 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
3916 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
3918 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
3921 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
3923 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
3924 not whatever we're generating now.
3926 * alpha.c (set_frame_related_p, FRP): New.
3927 (alpha_expand_prologue): Mark frame related insns.
3928 (alpha_expand_epilogue): Likewise, but with a null FRP.
3929 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
3930 * alpha.md (exception_receiver): New.
3931 * alpha/crtbegin.asm (.eh_frame): New beginning.
3932 (__do_frame_setup, __do_frame_takedown): New.
3933 * alpha/crtend.asm (.eh_frame): New ending.
3934 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
3935 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
3936 (ASM_FILE_START): Don't emit .file for dwarf2.
3938 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
3939 * rtl.c (reg_note_name): Likewise.
3940 * rtl.texi (REG_NOTES): Likewise.
3941 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
3944 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
3946 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
3947 * i386.md (movsf, movdf, movxf): Validate memory address returned
3948 from force_const_mem. Kill useless REG_EQUAL setting code.
3950 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
3952 * m68k.md (zero_extendsidi2): Fix typo.
3954 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
3956 * configure.in: Removed references to the removed file
3957 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
3958 * arm*-*-netbsd* and ns32k-*-netbsd*.
3959 * config/i386/xm-netbsd.h: Removed unnecessary file.
3960 * config/m68k/xm-netbsd.h: Likewise.
3961 * config/sparc/xm-netbsd.h: Likewise.
3962 * config/mips/xm-netbsd.h: Likewise.
3964 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
3966 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
3967 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
3969 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
3970 for exact section attributions.
3972 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
3974 * i386/crtdll.h (CPP_PREDEFINES): Define.
3976 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
3978 * m68k.md (5200 movqi): Do not allow byte sized memory references
3980 * m68k.c (output_move_qimode): Do not use byte sized operations on
3983 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
3984 explicit rules for building. Similarly for alloca, vfprintf,
3985 choose-temp and mkstemp, getopt, getopt1, and obstack.
3986 (INCLUDES): Add $(srcdir)/../include.
3987 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
3988 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
3990 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
3992 * gcc.c (do_spec_1): [case 'o'] Account for
3993 lang_specific_extra_outfiles.
3994 (main): Correctly clear all slots in outfiles for
3995 lang_specific_extra_outfiles. Set input_file_number before
3996 calling lang_specific_pre_link.
3998 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4000 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4002 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4004 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4006 (sparc_output_deferred_case_vectors): If no work to do, return.
4007 Fix thinko in Sept 1 change.
4009 1998-09-03 SL Baur <steve@altair.xemacs.org>
4011 * Makefile.in: add semicolon in BISON definition for portability.
4013 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4015 * config/nextstep.c (handle_pragma): Correct name of third
4018 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4020 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4021 * config/m32r/m32r.h: Make register 17 be fixed.
4022 * config/m32r/m32r.c: Use SImode for cc operations.
4024 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4026 * invoke.texi (Warning Options): Add -Wnon-template-friend
4029 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4031 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4033 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4035 * rs6000.md (movsf): Disable explicit secondary-reload-like
4036 functionality if TARGET_POWERPC64.
4037 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4040 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4042 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4043 and term.h from fixinc.wrap.
4045 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4047 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4048 safe to include both string.h and strings.h together.
4049 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4050 which headers to search for function declarations. Continue to
4051 prefer string.h over strings.h when both are not acceptable.
4053 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4055 * configure.in: Call GCC_HEADER_STRING.
4057 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4058 to include. Continue to prefer string.h over strings.h when both
4061 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4063 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4064 not assume top 32-bits of symbolic addresses are zero if
4067 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4069 * ginclude/va-alpha.h: Protect entire second portion of the
4070 file against double inclusion.
4072 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4074 Added support for the Boehm's garbage collector.
4075 * configure.in: Handle --enable-objc-gc.
4076 * configure: Rebuilt.
4077 * Makefile.in (CHECK_TARGETS): Add check-objc.
4078 (check-objc): New rule.
4079 * objc/Make-lang.in: Build a different Objective-C library that
4080 runs with the Boehm's collector.
4081 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4082 * objc/encoding.c: Correctly compute the size of compound types in
4083 the presence of bitfields. Skip the variable name of the type if
4084 any. Added support for long long.
4085 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4086 (_F_GCINVISIBLE): New mask.
4087 * objc/gc.c: New file. Compute the type memory mask associated with
4088 a class based on the runtime information.
4089 * objc/misc.c: Added the hooks that use the Boehm's collector
4090 allocation functions.
4091 * objc/objc-act.c (build_class_template): Generate a new class
4092 member (gc_object_type) to hold the class' type memory mask.
4093 (build_shared_structure_initializer): Initialize the new member to
4095 (encode_complete_bitfield): New function. Generate the new
4097 (encode_field_decl): Generate the new encoding only for the GNU
4099 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4101 (class_get_gc_object_type): New function to mark a pointer instance
4102 variable as a weak pointer.
4103 * objc/objc-features.texi: New file.
4104 * objc/objc.h (gc_object_type): New class member.
4105 * objc/objects.c (class_create_instance): Create a typed memory
4106 object when compiled with Boehm's collector support.
4107 * objc/sendmsg.c (__objc_init_install_dtable): Call
4108 __objc_send_initialize instead of setting the initialize flag.
4109 (__objc_send_initialize): Call __objc_generate_gc_type_description
4110 to generate the class type memory mask. Rewrite the code that
4111 sends the +initialize so that it is called only once (bug report
4112 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4113 * testsuite/objc: New testsuite for Objective-C type encoding.
4114 * testsuite/lib/objc-torture.exp: New file.
4115 * testsuite/lib/objc.exp: New file.
4117 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4119 * jump.c (jump_optimize): In if/then/else transformations, add
4120 another call to modified_between_p for the jump insn.
4122 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4124 * fix-header.c (symlink): Treat like readlink.
4126 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4128 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4131 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4133 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4134 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4135 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4137 * config/nextstep.c (handle_pragma): Take three arguments, as per
4138 the new HANDLE_PRAGMA macro specification.
4139 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4140 per the new HANDLE_PRAGMA macro specification.
4141 * config/i960/i960.c (process_pragma): Take three arguments, as
4142 per the new HANDLE_PRAGMA macro specification.
4144 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4146 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4147 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4148 if unknown pragmas are encountered.
4149 (handle_sysv_pragma): Interpret return code from
4150 handle_pragma_token (). Return success/failure indication rather
4151 than next unprocessed character.
4152 (pragma_getc): New function: retrieves characters from the
4153 input stream. Defined when HANDLE_PRAGMA is enabled.
4154 (pragma_ungetc): New function: replaces characters back into the
4155 input stream. Defined when HANDLE_PRAGMA is enabled.
4157 * c-pragma.c (handle_pragma_token): Return success/failure status
4160 * c-pragma.h: Change prototype of handle_pragma_token().
4162 * varasm.c: (handle_pragma_weak): Only create this function if
4163 HANDLE_PRAGMA_WEAK is defined.
4165 * c-common,c (decl_attributes): If defined call the expression
4166 contained within the INSERT_ATTRIBUTES macro before adding
4167 attributes to a decl.
4169 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4170 HANDLE_PRAGMA, which takes three arguments.
4171 (INSERT_ATTRIBUTES): Document this new macro.
4173 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4174 new INSERT_ATTRIBUTES macro.
4176 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4178 * config/sparc/sparc.md (movdf): Only generate special RTL for
4179 LABEL_REFs when PIC.
4180 (move_label_di): Remove
4181 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4182 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4183 references when PIC.
4184 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4185 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4186 output an .xword for all 64-bit cases.
4188 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4190 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4191 alignment, use FUNCTION_BOUNDARY instead.
4192 (sparc_output_deferred_case_vectors): Likewise.
4194 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4196 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4197 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4199 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4201 * alpha/va_list.h: New file.
4202 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4204 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4206 * NEWS: Add SCO Openserver and Unixware 7 notes.
4210 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4212 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4213 (record_constant_1): Handle RANGE_EXPR.
4215 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4217 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4218 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4219 and NOTE_INSN_RANGE_END specially.
4220 (reemit_notes): Likewise.
4222 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4224 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4225 (ultrasparc_sched_init): Remove unneeded &.
4227 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4229 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4230 for m68020-60, to prevent the use of fintrz.
4232 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4234 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4236 * Makefile.in: Likewise.
4237 * configure: Regenerated.
4239 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4241 * configure.in (gxx_include_dir): Changed to
4242 '${prefix}/include/g++'-${libstdcxx_interface}.
4243 * configure: Rebuilt.
4245 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4247 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4249 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4250 *sequences* *below* which scalar moves will be used.
4252 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4254 * collect2.c (mktemp): Delete unused declaration.
4256 * config/xm-netbsd.h: Remove unnecessary file.
4257 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4258 file anymore, it is not needed.
4260 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4262 * convert.c (convert_to_integer): Issue an error on conversions to
4265 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4267 * Makefile.in: Add lang_tree_files and gencheck.h.
4268 * configure.in: Generate them.
4269 * gencheck.c: Include gencheck.h.
4271 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4273 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4274 movdi_lo_sum_pic and movdi_high_pic and make visible.
4275 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4276 emit these when Pmode is not SImode.
4277 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4279 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4281 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4282 .linkonce directive after the first time.
4284 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4286 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4287 the clobbered operand overlaps with an input.
4288 (bne0_di): Similarly.
4290 * Makefile.in (INSTALL): Remove "--no-header" argument.
4292 * NEWS: Various updates.
4294 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4296 * config/sparc/sparc.c (arith_operand, const64_operand,
4297 const64_high_operand, arith_double_4096_operand): Mark mode as
4299 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4301 (sparc_emit_set_const64): Remove unused variable i.
4302 (sparc_splitdi_legitimate): Likewise for addr_part.
4303 (ultra_code_from_mask): Likewise for mask.
4304 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4305 reverse return values so it matches usage and comments.
4306 (ultra_flush_pipeline): Likewise.
4307 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4308 this_type, and allow loads and stores of differing FP modes as
4309 they do not create a conflict.
4310 (ultra_find_type): Initialize fpmode to SFmode, fix
4311 parenthesization thinkos in large conditional.
4312 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4313 Init free_slot_mask after ultra_cur_hist is reset, not before.
4314 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4315 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4316 use ultra_flush_pipeline instead, then re-init group pointer.
4317 Fix statement with no effect. If no progress made in, and no
4318 instructions scheduled at all, advance to new pipeline cycle else
4319 we get into an endless loop.
4320 (ultrasparc_adjust_cost): Remove previous arg.
4321 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4323 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4325 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4326 code. Use reg_overlap_mentioned_p to detect when source and
4327 destination overlap.
4328 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4330 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4332 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4333 COMPARISON_VAL, into invariant_p.
4335 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4337 * regmove.c (regclass_compatible_p): New function.
4338 (regmove_optimize): Use it.
4340 Use NREGS parameter insted of calling max_reg_num.
4342 (fixup_match_1): Don't use code = MINUS when later tieing with
4343 a hard register is likely.
4345 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4347 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4348 COMPARISON_VAL was normalized.
4350 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4352 * loop.c (check_dbra_loop): The loop ending comparison value
4353 must be an invariant or we can not reverse the loop.
4355 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4356 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4358 (load_mems_and_recount_loop_regs_set): Likewise.
4360 * i386.c (print_operand): Remove obsolete 'c' docs.
4362 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4364 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4365 * frame.c (init_object_mutex): New function.
4366 (init_object_mutex_once): Likewise.
4367 (find_fde): Call it.
4368 (__register_frame_info): Likewise.
4369 (__register_frame_info_table): Likewise.
4370 (__deregister_frame_info): Likewise.
4372 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4374 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4376 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4378 * loop.c (check_dbra_loop): Enable code for reversal
4379 of some loops without a known constant loop end.
4381 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4383 * haifa-sched.c (last_clock_var): New.
4384 (schedule_block): Initialize it.
4385 (schedule_insn): Use it to fill insn modes with issue information.
4387 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4388 Tag trapb and next insn with TImode.
4389 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4390 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4391 Invoke alphaev5_align_insns as appropriate.
4392 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4393 (MD_SCHED_VARIABLE_ISSUE): New.
4394 * alpha.md (attr type): Add multi.
4395 (define_asm_attributes): New.
4396 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4397 (arg_home): Likewise.
4398 (fnop, unop, realign): New.
4400 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4402 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4403 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4405 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4406 (rs6000-ibm-aix4.[12]*): Likewise.
4407 * configure: Regnerate.
4409 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4411 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4412 already contains the return address.
4414 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4416 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4417 word sized hunks when loading unaligned args into registers.
4419 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4420 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4422 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4424 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4426 * loop.c (check_dbra_loop): Add some code that would allow reversal
4427 of some loops without a known constant loop end if it were enabled.
4429 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4431 * mips.md (lshrsi3_internal2+2): Fix type-o.
4433 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4435 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4436 correctly with regards to stdio.h.
4438 * calls.c: Remove stdarg.h/varargs.h.
4441 * combine.c: Likewise.
4442 * cpperror.c: Likewise.
4443 * cpplib.c: Likewise.
4444 * cpplib.h: Likewise.
4445 * doprint.c: Likewise.
4446 * emit-rtl.c: Likewise.
4447 * final.c: Likewise.
4448 * fix-header.c: Likewise.
4450 * genattr.c: Likewise.
4451 * genattrtab.c: Likewise.
4452 * gencodes.c: Likewise.
4453 * genconfig.c: Likewise.
4454 * genemit.c: Likewise.
4455 * genextract.c: Likewise.
4456 * genflags.c: Likewise.
4457 * genopinit.c: Likewise.
4458 * genoutput.c: Likewise.
4459 * genpeep.c: Likewise.
4460 * genrecog.c: Likewise.
4461 * mips-tfile.c: Likewise.
4462 * prefix.c: Likewise.
4463 * protoize.c: Likewise.
4464 * regmove.c: Likewise.
4465 * toplev.c: Likewise.
4468 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4470 * config/sparc/sparc.c (sparc_override_options): If not
4471 TARGET_FPU, turn off TARGET_VIS.
4472 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4473 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4474 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4475 (movdi_insn_sp64): Add VIS fzero alternative.
4476 (clear_sf, clear_df): New VIS patterns.
4477 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4479 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4481 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4483 * loop.c (n_times_set, n_times_used, may_not_optimize,
4484 reg_single_usage): Convert to varrays. All uses changed.
4485 (insert_loop_mem): Return a value.
4486 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4487 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4490 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4493 * configure.in: Do not set thread_file to "irix" since no such
4496 * sparc.md (float abs/neg splits): Check reload_completed before
4497 calling alter_subreg.
4499 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4501 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4503 * config/sparc/sparc.h: Declare it.
4504 * config/sparc/sparc.md (float abs/neg splits): Use it.
4505 (all other splits): Handle SUBREGs properly where necessary.
4506 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4508 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4510 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4511 an insn on the unfilled_slots_list that has no delay slots.
4512 (fill_eager_delay_slots): Similarly.
4514 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4516 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4517 as an ordinary operand.
4519 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4521 * tree.c (valid_machine_attribute): Don't apply attributes to both
4524 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4526 * reload.c (operands_match_p): Handle rtvecs.
4528 * i386.c (legitimate_pic_address_disp_p): New.
4529 (legitimate_address_p): Use it.
4530 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4531 Handle constant pool symbols just like statics.
4532 (emit_pic_move): Use Pmode not SImode for clarity.
4533 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4534 [UNSPEC]: New, handling what we killed above.
4535 [PLUS]: Detect and abort on invalid symbol arithmetic.
4536 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4538 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4540 * alias.c: Include output.h.
4541 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4542 different if we're in a varargs function.
4543 * Makefile.in (alias.o): Depend on output.h
4545 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4547 * sh.h (GIV_SORT_CRITERION): Delete.
4549 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4551 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4552 * stupid.c (stupid_life_analysis): Ditto.
4553 * reload1.c (reload): Ditto.
4555 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4557 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4558 arith_double_4096_operand, arith_double_add_operand): New
4560 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4561 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4562 them to transform add/sub 4096 into add/sub -4096.
4564 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4566 * loop.c (scan_loop): Allocate some slop to handle pseudos
4567 generated by move_movables.
4568 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4571 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4573 * tree.def (DECL_RESULT): Correct documentation.
4575 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4577 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4578 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4579 conflicts will all RELOAD_FOR_OUTPUT reloads.
4581 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4582 loads the function result, substitute with a USE.
4584 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4586 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4587 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4588 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4589 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4590 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4591 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4593 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4594 'o' to 'm' for GPR variant constraints.
4596 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4598 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4600 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4602 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4603 when the source and destination overlap.
4605 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4606 clash with global type.
4608 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4610 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4612 * c-common.c (combine_strings): Also set TREE_READONLY.
4613 Change warn_write_strings to flag_const_strings.
4614 * c-decl.c, c-tree.h: Likewise.
4616 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4618 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4619 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4620 sequence, use SET/IOR instead so CSE can see it.
4621 * config/sparc/sparc.md (movhi_const64_special,
4622 movsi_const64_special): New patterns necessitated by that change.
4623 (movhi_high): Remove.
4624 (movhi_lo_sum): Change to match an IOR.
4625 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4626 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4627 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4628 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4629 registers are involved.
4630 (snesi_zero_extend split): Remove reload_completed test.
4631 (unnamed plus and minus zero_extend sidi splits): Add it.
4633 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4635 * extend.texi: Remove description of extension to explicit
4636 instantiation that is now endorsed by standard C++.
4638 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4640 * config/arc/arc.c (arc_initialize_pic): Remove.
4641 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4642 nothing on any platform and is invoked by no-one, it does not even
4643 appear in the documentation.
4644 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4645 * config/sparc/sparc.c (initialize_pic): Likewise.
4646 (find_addr_reg): Remove this as well, no longer referenced after
4649 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4651 * recog.c (validate_replace_rtx_group): New function.
4652 * recog.h (validate_replace_rtx_group): Declare it.
4653 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4654 the entire group of substitutions.
4656 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4658 * loop.c (load_mems): Fix initializers.
4660 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4662 * config/sparc/sparc.md (TFmode splits): Handle destination
4663 registers being referenced in the address correctly.
4665 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4666 TREE_UNSIGNED, when bitsize of type's mode is larger than
4667 HOST_BITS_PER_WIDE_INT.
4669 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4671 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4672 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4673 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4675 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4678 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4680 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4681 * h8300.h (TINY_DATA_NAME_P): Likewise.
4682 (STRIP_NAME_ENCODING): Handle '&'.
4684 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4685 register (it could be accessed via an outer SUBREG).
4686 (REG_OK_FOR_BASE_P): Likewwise.
4687 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4689 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4692 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4694 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4696 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4697 must be offsettable so the splits can be made.
4699 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4701 * config/i386/winnt.c: Include system.h, not stdio.h to get
4702 sys/param.h pulled in before rtl.h in case the system defines MIN
4705 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4707 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4709 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4711 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4713 * cpplib.c (cpp_define): Handle macros with parameters.
4715 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4717 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4718 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4719 and DImode 64-bit. Use llong for minimal-toc SFmode and
4720 SYMBOL_REF / LABEL_REF 64-bit.
4721 (output_function_profiler): Use llong for profiler label and ld to
4722 load 64-bit label address.
4724 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4726 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4729 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4731 * version.c: Bump for snapshot.
4733 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4735 * version.c: Bump for snapshot.
4737 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4739 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4741 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4743 * tm.texi (Misc): Fix typo "teh".
4745 * tm.texi (PIC): Fix typo "PPIC".
4747 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4748 effect when -O2 and higher.
4749 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4751 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4753 * regclass.c: Changed register set documentation to be consistent
4756 * final.c (final_start_function) Removed redundant test for
4759 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4761 * rtl.h (rtx_function): New type.
4762 (for_each_rtx): New function.
4763 * rtlanal.c (for_each_rtx): Define it.
4765 * recog.c (change_t): New type.
4766 (change_objects, change_old_codes, change_locs, change_olds):
4768 (changes): New variable.
4769 (validate_change): Dynamically allocate room for more changes, if
4770 necessary. Uses changes array instead of change_objects, etc.
4771 (apply_change_group): Use changes array instead of
4772 change_objects, etc.
4774 * loop.c (loop_mem_info): New type.
4775 (loop_mems): New variable.
4776 (loop_mems_idx): Likewise.
4777 (looop_mems_allocated): Likewise.
4778 (scan_loop): Remove nregs parameter.
4779 (next_insn_in_loop): New function.
4780 (load_mems_and_recount_loop_regs_set): Likewise.
4781 (load_mems): Likewise.
4782 (insert_loop_mem): Likewise.
4783 (replace_loop_mem): Likewise.
4784 (replace_label): Likewise.
4785 (INSN_IN_RANGE_P): New macro.
4786 (loop_optimize): Don't pass max_reg_num() to scan_loop.
4787 (scan_loop): Remove nregs parameter, compute it after any new
4788 registers are created by load_mems. Use INSN_IN_RANGE_P and
4789 next_insn_in_loop rather than expanding them inline. Call
4790 load_mems to load memory into pseudos, if appropriate.
4791 (prescan_loop): Figure out whether or not there are jumps from the
4792 loop to targets other than the label immediately following the
4793 loop. Call insert_loop_mem to notice all the MEMs used in the
4794 loop, if it could be safe to pull MEMs into REGs for the duration
4796 (strength_reduce): Use next_insn_in_loop. Tweak comments.
4798 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
4800 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
4802 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4804 * config/sparc/sparc.c (finalize_pic): Check for the correct
4805 nonlocal_goto_receiver UNSPEC number.
4806 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
4807 making note of this dependency existing in sparc.c
4808 (negtf2_notv9 split): Give NEG SFmode.
4809 (negsf2): Fix insn output string.
4811 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
4813 * c-common.c (decl_attributes): Issue an error if the argument
4814 to alias is not a string.
4816 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
4818 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
4819 pending memory flush list.
4821 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
4823 (try_combine): Allow combining insns with REG_LIBCALL notes.
4825 * expr.c (emit_block_move): Do not call memcpy as a libcall
4826 instead build up a CALL_EXPR and call it like any other
4828 (clear_storage): Similarly for memset.
4830 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
4833 * Makefile.in (cplus-dem.o): Provide explicit rules for building
4836 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
4837 and REG_LIVE_LENGTH as successful substitutions are made.
4839 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4841 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
4842 statement after end of loop label.
4844 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4846 * config/sparc/sparc.c (ultra_types_avail): New variable.
4847 (ultra_build_types_avail): New function to record mask of insn
4848 types in ready list at this cycle.
4849 (ultrasparc_sched_reorder): Call it.
4850 (ultra_find_type): Use it to quicken the search. Also simplif
4851 dependency check, don't use rtx_equal_p because we know exactly
4852 what we are looking for.
4854 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
4856 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
4857 for architecture v4.
4859 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4861 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
4863 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
4864 movdf_const_intreg and helper splits): New patterns to move float
4865 constants into integer registers.
4866 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
4869 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
4872 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
4874 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
4876 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
4877 a BASE_REGS register is needed as an intermediate when copying
4878 a symbolic value into any register class other than BASE_REGS.
4880 * expr.c (move_by_pieces): No longer static. Remove prototype.
4881 * rtl.h (move_by_pieces): Add extern prototype.
4882 * mips.c (expand_block_move): Handle aligned straight line copy by
4883 calling move_by_pieces.
4885 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
4888 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
4890 * stmt.c (expand_end_loop): Tidy. Allow unconditional
4891 jumps out of the loop to be treated as part of the exit test.
4893 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4894 Jeff Law <law@cygnus.com>
4896 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
4897 * cplus-dem.c: Delete.
4899 * Makefile.in (fold-const.o): depend on $(RTL_H).
4901 * fold-const.c: Include rtl.h to get the prototype for
4902 `set_identifier_local_value'.
4904 * loop.c (express_from_1): Remove unused variable `tmp'.
4905 (combine_givs): cast the first argument of bzero to char *.
4907 * toplev.c (display_help): Remove unused variable `looking_for_start'.
4909 * c-decl.c (init_decl_processing): Remove unneeded &.
4911 * alpha.h (alpha_initialize_trampoline): Provide prototype.
4913 * except.c (set_exception_lang_code, set_exception_version_code):
4914 Change parameter from `short' to `int' to avoid using a gcc
4917 * except.h (set_exception_lang_code, set_exception_version_code):
4918 Likewise for prototypes.
4920 * flow.c (count_reg_references): Remove unused variables `regno'
4923 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
4925 * prefix.c (translate_name): Cast the result of `alloca'.
4927 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
4929 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4931 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
4933 (valid_dbcc_comparison_p): Mark mode argument as unused.
4934 (symbolic_operand): Likewise.
4935 (legitimize_pic_address): Likewise.
4936 (const_uint32_operand): Likewise.
4937 (const_sint32_operand): Likewise.
4938 * sched.c [!INSN_SCHEDULING]: Define only dummy function
4939 schedule_insns and comment out rest of file.
4941 * m68k.c (output_move_simode_const): Use subl to move a zero into an
4943 (output_move_[hq]imode): Likewise.
4945 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
4947 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
4948 * invoke.texi: Corresponding changes.
4950 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
4952 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
4954 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4956 * config/sparc/sparc.c (ultra_code_from_mask,
4957 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4958 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
4959 ultrasparc_sched_init, ultrasparc_variable_issue,
4960 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
4961 functions to describe UltraSPARC pipeline exactly to Haifa.
4962 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
4963 as there is nothing the scheduler can do about it. Indicate that
4964 REG_DEP_OUTPUT's collide. Fixup formatting.
4965 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
4966 divide costs on Ultra for DImode.
4967 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
4969 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
4970 ieuN and add call_no_delay_slot to type list.
4971 (cti function unit): New unit for branches on UltraSPARC.
4972 (subx/addx insns): Set type to misc.
4973 (sidi zero/sign extension insns on arch64): Set type to shift.
4974 (sign_extendhidi2_insn): Set type to sload.
4976 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
4978 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
4979 (output_epilog): Use if != 0 for offset.
4980 (rs6000_fatal_bad_address): Prepare for Intl.
4981 * rs6000.h (rs6000_fatal_bad_address): Declare.
4982 * rs6000.md (movsfcc, movdfcc): Use else if.
4983 (elf_high): Use {liu|lis}.
4984 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
4985 (movsi): Use rs6000_fatal_bad_address.
4987 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
4989 * reload.c (find_equiv_reg): Reject equivalences separated
4990 by a volatile instruction.
4992 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4994 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
4996 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
4998 * alpha.md (movsicc): Fix mode mismatch.
5000 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5002 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5004 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5006 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5008 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5009 write-only modifier from operand 1 constraint.
5011 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5013 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5014 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5016 (sparc_emit_set_const64): Likewise, also when computing trailing
5017 bits do not negate low_bits and make fast_int an int.
5019 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5021 * loop.c (add_label_notes): Do not ignore references to labels
5022 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5023 * gcse.c (add_label_notes): Similarly.
5025 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5027 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5028 (adddi_dishl32): Similarly.
5030 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5032 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5033 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5034 * cse.c (cse_basic_block): Add parens to shut up warnings.
5036 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5038 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5039 sparc_emit_set_const64_longway, const64_is_2insns,
5040 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5041 in 64-bit constant formation.
5042 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5043 rtl for addx not subx.
5044 (define_insn movdi_const64_special): Make available even when
5045 HOST_BITS_PER_WIDE_INT is not 64.
5046 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5047 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5048 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5049 instances of operand 1 inside a QI subreg.
5050 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5051 (one_cmpldi2_sp64): Fix output string.
5052 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5054 (unnamed arch64 ashift DI): Truncate shift count if greater than
5057 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5059 * expr.c (store_expr): Don't optimize away load-store pair
5060 when either source or destination have a side effect.
5062 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5064 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5065 operands of SET are incompatible.
5067 * alpha.md: Fix max and min patterns so modes of SET operands match.
5069 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5071 * configure.in: Avoid [[ by using test and changequote.
5072 * configure: Rebuild.
5074 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5076 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5078 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5079 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5080 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5081 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5082 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5083 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5084 Fix mismatching modes in SET operands.
5085 (conditional move patterns): Fix formatting.
5086 (unnamed subx arch64 pattern): Remove duplicate insn.
5088 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5090 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5091 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5092 (input_operand): Fixup test for what we accept for constant
5094 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5096 (safe_constDI): Remove.
5097 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5098 gen_safe_XOR64): New functions.
5099 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5100 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5102 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5103 available when HOST_BITS_PER_WIDE_INT is not 64.
5104 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5105 move before movdi_insn_sp64 pattern.
5106 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5107 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5108 symbolic_operand as predicate for second operand.
5109 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5110 expander): Give set VOIDmode.
5112 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5114 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5116 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5118 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5120 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5122 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5124 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5126 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5128 * install.texi: Various SCO OpenServer tweaks.
5130 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5132 * reload1.c (eliminate_regs_in_insn): Handle another case when
5133 eliminating the frame pointer to the hard frame pointer. Add
5134 missing ep->to_rtx check to one existing case.
5136 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5138 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5140 * tree.h: De-conditionalize init_priority code.
5142 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5143 * collect2.c (NM_FLAGS): Change from -p to -n.
5145 * configure.in: Turn on collect2 for mipstx39-elf.
5146 Handle use_collect2=no properly.
5148 * c-common.c: De-conditionalize init_priority code.
5149 * collect2.c (extract_init_priority, sort_ids): New fns.
5150 (main): Call sort_ids.
5151 Move sequence_number to file scope.
5153 * configure.in: Handle --enable-init-priority.
5154 * c-common.c (attrs): Add A_INIT_PRIORITY.
5155 (init_attributes, decl_attributes): Likewise.
5156 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5157 * tree.c (get_file_function_name_long): Split out...
5158 (get_file_function_name): ...from here.
5160 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5162 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5165 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5167 * toplev.c (display_help): Add braces to shut up warnings.
5168 * tree.c (simple_cst_equal): Likewise.
5170 * fold-const.c (non_lvalue): Don't deal with null pointer
5172 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5174 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5175 of any size to a pointer.
5177 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5179 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5181 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5183 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5184 which will be saved.
5185 * mn10300.md (prologue insn): Only save registers which need saving.
5186 (epilogue insn): Similarly.
5188 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5191 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5193 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5194 VAR_DECL's in gp addressable sections.
5196 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5198 * sparc.c: Change return <exp> to <exp>; return; in functions
5200 * sparc.md: Add empty semicolon statement after final label in
5203 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5205 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5206 addx_extend_sp64, only allow when TARGET_ARCH64.
5207 (define_insn addx_extend_sp32 and split): Version that works when
5209 (define_insn subx_extend): Likewise.
5210 (define_split adddi3 and subdi3 with zero extension): Fixup and
5211 correct bugs when not TARGET_ARCH64.
5213 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5215 * except.c (set_exception_lang_code, set_exception_version_code):
5216 Use prototype-style definition if __STDC__, to match declaration
5219 * genemit.c: Change FAIL and DONE macros not to use loops.
5221 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5223 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5224 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5226 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5228 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5230 * README.g77: Update from Craig.
5232 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5234 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5236 (safe_constDI sparc_emit_set_const64_quick1,
5237 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5238 analyze_64bit_constant, const64_is_2insns,
5239 create_simple_focus_bits): Fix some bugs when compiled on real
5241 (function_arg_record_value_3, function_arg_record_value_2,
5242 function_arg_record_value): Add fully prototyped forward decls.
5243 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5244 to cmpsi_insn and use on both 64 and 32 bit targets.
5245 (define_insn cmpsi_insn_sp64): Remove.
5246 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5247 (define_insn zero_extendsidi2_insn): Rename to
5248 zero_extendsidi2_insn_sp64.
5249 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5250 assosciated forced split for it.
5252 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5254 * config/sparc/sparc.h: Declare them.
5255 (PREDICATE_CODES): Add them.
5256 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5257 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5259 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5261 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5262 in v9 case as the latter makes the Solaris assembler crash.
5264 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5266 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5267 for TFmode when !v9. We require offsettable memory addresses.
5268 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5269 DFmode register number conversions.
5270 * config/sparc/sparc.md (define_split DFmode moves): If register
5271 is a SUBREG do alter_subreg on it before using.
5272 (define_expand movtf): Fixup comment about alignment on v9.
5273 (define_split TFmode moves): Don't use gen_{high,low}part, create
5274 explicit SUBREGs instead.
5276 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5278 * Makefile.in (mbchar.o): Depend on mbchar.c.
5280 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5281 Richard Henderson <rth@cygnus.com>
5283 Rewrite Sparc backend for better code generation and
5284 improved sparc64 support.
5285 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5287 * config/sparc/sysv4.h: Likewise.
5288 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5289 move_operand, v8plus_regcmp_op, emit_move_sequence,
5290 singlemove_string, doublemove_string, mem_aligned_8,
5291 output_move_double, output_move_quad, output_fp_move_double,
5292 move_quad_direction, output_fp_move_quad, output_scc_insn):
5294 (small_int_or_double): New predicate.
5295 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5296 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5297 old pic_{sethi,lo_sum}_si patterns.
5298 (mem_min_alignment): New generic function to replace
5299 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5300 available and can test for arbitrary alignments. All callers
5302 (save_regs, restore_regs, build_big_number,
5303 output_function_prologue, output_cbranch, output_return,
5304 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5305 sparc_flat_output_function_epilogue): Prettify
5307 (output_function_epilogue): Likewise and add code to output
5308 deferred case vectors.
5309 (output_v9branch): Likewise, add new arg INSN and use it to tack
5310 on branch prediction settings. All callers changed.
5311 (print_operand): Likewise and output %l44 for LO_SUMs when
5313 (sparc_splitdi_legitimate): New function to make sure DImode
5314 splits can be run properly when !arch64.
5315 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5316 Reformat example code in comments.
5317 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5318 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5319 of deferred case vectors we need to output.
5320 (sparc_defer_case_vector): Record a case vector.
5321 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5322 sparc_output_deferred_case_vectors): New functions to output them.
5323 (sparc_emit_set_const32): New function to form 32-bit constants in
5324 registers when that requires more than one instruction.
5325 (safe_constDI, sparc_emit_set_const64_quick1,
5326 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5327 analyze_64bit_constant, const64_is_2insns,
5328 create_simple_focus_bits, sparc_emit_set_const64): New functions
5329 which do the same for 64-bit constants when arch64.
5330 (sparc_emit_set_symbolic_const64): New function to emit address
5331 loading for all code models on v9.
5332 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5333 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5334 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5335 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5336 inaccuracies in comments, add symbolic and text_segment operands
5337 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5338 GENERAL_REGS in these cases as a temp REG is needed to load these
5339 addresses into a register properly.
5340 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5342 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5343 quads are guarenteed to have 16-byte alignment.
5344 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5345 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5346 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5347 deferred case vector implementation.
5348 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5349 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5350 Generate "internal label - label" instead of "label - 1b".
5351 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5352 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5353 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5355 (doublemove_string, output_block_move, output_fp_move_double,
5356 output_fp_move_quad, output_move_double, output_move_quad,
5357 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5358 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5359 (sparc_emit_set_const32, sparc_emit_set_const64,
5360 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5361 mem_min_alignment, small_int_or_double): Add externs.
5362 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5363 UNSPEC_VOLATILE in this backend.
5364 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5365 unary to types which execute in it.
5366 (define_function_unit ieu_shift): Rename to ieu0.
5367 (define_function_unit ieu1): New, executes compare, call, and
5368 uncond_branch type insns.
5369 (define_function_units for type fdivs, fdivd, fsqrt): These
5370 execute in the fpu multiply unit not the adder on UltraSparc.
5371 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5372 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5373 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5374 allows the arith_double_operand predicate and rHI constraint when
5376 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5377 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5378 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5379 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5380 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5381 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5382 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5383 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5384 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5385 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5386 sign_extendqihi2_insn, sign_extendqisi2_insn,
5387 sign_extendqidi2_insn, sign_extendhidi2_insn,
5388 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5389 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5390 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5391 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5392 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5393 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5394 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5395 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5396 smulsi3_highpart_v8plus, unnamed subreg mult,
5397 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5398 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5399 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5400 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5401 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5402 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5403 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5404 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5405 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5406 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5407 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5408 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5409 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5410 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5411 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5412 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5413 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5414 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5415 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5416 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5417 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5418 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5419 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5420 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5421 call_address_untyped_struct_value_sp32,
5422 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5423 call_value_symbolic_sp32, call_value_address_sp64,
5424 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5425 flush_register_windows, goto_handler_and_restore,
5426 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5427 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5428 return_addsi, return_di, return_adddi, return_sf, all call+jump
5429 peepholes, trap, unnamed trap insns): Prettify output strings.
5430 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5431 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5432 Likewise and force + implement splits for integer cases.
5433 (define_insn return_sf_no_fpu): Likewise and allow to match when
5434 no-fpu because of our subreg SFmode splits.
5435 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5436 zero_extendqidi2_insn, zero_extendhidi2_insn,
5437 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5438 input_operand for second operand.
5439 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5440 reg_or_0_operand for operand 2 so new splits can use it.
5441 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5442 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5444 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5445 CONST_DOUBLEs for operand 2.
5446 (define_insn move_label_di): Likewise and label distance
5447 optimization because it no longer works with new deferred case
5448 vector scheme. To be revisited.
5449 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5450 and allow reg_or_0_operand and J constraint for second operand.
5451 (define_insn jump): Set branch predict taken on V9.
5452 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5453 new deferred case vector scheme.
5454 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5455 (define_insn negdi2_sp32): Force + implement splits.
5456 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5457 one_cmplsi2_not_liveg0 respectively, and create expander of original
5458 names which emit special rtl for TARGET_LIVE_G0.
5459 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5460 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5461 gen_compare_reg, FAIL instead.
5462 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5463 values when trying to reverse condition codes, if they FAIL then
5465 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5466 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5467 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5468 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5469 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5470 set output string to # to indicate they are mandatory splits.
5471 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5472 pic_sethi_di, move_pic_label_si): Remove.
5473 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5474 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5476 (define_expand movsi_pic_label_ref, define_insn
5477 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5478 expander and insns to handle PIC label references and deferred
5480 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5482 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5483 Rewrite to not use emit_move_sequence, make use of new constant
5484 formation code, and new splits for all multi-insn cases.
5485 (define_insn movqi_insn): Remove sethi case, it can never happen.
5486 Use reg_or_zero_operand instead of const0_rtx explicit test,
5487 use input_operand instead of move_operand for source, and use
5488 general_operand now for dest.
5489 (define_insn movhi_insn): Similar but leave sethi case.
5490 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5491 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5492 movhi_lo_sum respectively, prettify output string.
5493 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5494 register when needed on TARGET_LIVE_G0.
5495 (define_insn movsi_insn): Use general_operand and input_operand
5496 for dest and src respectively. Simplify applicability test.
5497 Prettify output strings, and add clr alternative for J
5499 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5500 deprecated std and reg-reg DI moves): Remove and...
5501 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5502 implementation which uses forced splits for all non-single insn
5504 (define_split DI move cases on !arch64): New splits to handle all
5505 situations of 64-bit double register DImode on 32bit, and
5506 unaligned registers and memory addresses for all subtargets.
5507 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5509 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5510 input_operand for dest and src respectively, prettify output
5512 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5513 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5515 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5516 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5517 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5518 movtf_no_e_insn_sp64) Replace with new
5519 implementation which uses forced splits for all non-single insn
5521 (define_split DF move cases): New splits in similar vein to DI
5523 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5524 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5525 movdi_sp64_insn): Remove old v9 code model and constant loading
5527 (define_insn pic_lo_sum_di, pic_sethi_di,
5528 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5529 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5530 embmedany_sethi, embmedany_losum, embmedany_brsum,
5531 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5532 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5533 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5534 scheme, using unspecs, secondary reloads, and one to one sparc
5535 insn to rtl insn mapping for better scheduling and code gen.
5536 (define_expand reload_indi, reload_outdi): Reload helpers for
5537 MEDANY and EMBMEDANY symbol address loading cases which require a
5539 (define_expand movsicc): Remove v8plus_regcmp cases.
5540 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5541 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5542 cmp_diqi_trunc_set): New patterns used by some of the new scc
5544 (define_insn xordi3_sp64_dbl): New pattern used for constant
5545 formation when crossing from 32-bit targets.
5546 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5548 (define_insn addx, subx): Make visible and prettify.
5549 (define_insn adddi3_insn_sp32): Likewise and force split.
5550 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5551 64bit scc split usage.
5552 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5553 zero_extend, subdi3): Force and implement splits.
5555 * final.c (final_scan_insn): Don't output labels if target
5556 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5559 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5560 don't forget to walk inside SEQUENCESs too as these are what the
5561 delay slot scheduler will create.
5563 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5565 * alpha.md (extxl+1,+2): New patterns to work around
5568 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5570 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5571 caused bad assembly code to be generated.
5573 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5575 * netbsd.h: Fix typo.
5577 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5579 * config.sub: Fix typo.
5581 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5583 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5585 (Running Protoize): Typo: Change "ther" into "other".
5587 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5589 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5590 * m68k/netbsd.h: Likewise.
5591 * ns32k/netbsd.h: Likewise.
5592 * sparc/netbsd.h: Likewise.
5594 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5596 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5597 * ginclude/va-clipper.h (va_list): Likewise.
5599 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5601 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5602 load/store multiple instructions unless user overrides.
5604 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5606 * ns32k/netbsd.h: Fix typo.
5608 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5610 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5611 labels with .debugsym if no parallel insns.
5613 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5615 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5616 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5618 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5620 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5621 (AR_FOR_TARGET): Define.
5623 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5625 * dyn-string.h: New file.
5626 * dyn-string.c: Likewise.
5627 * Makefile.in (OBJS): Add dyn-string.o.
5628 (dwarf2out.o): Add dyn-string.h dependency.
5629 (dyn-string.o): List dependencies.
5630 * dwarf2out.c: Include dyn-string.h.
5631 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5632 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5633 prototype. Use dyn_string_append rather than strcat, throughout.
5634 (addr_to_string): Use dyn_string_t.
5636 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5638 Function entry/exit profiling instrumentation:
5639 * expr.h (profile_function_entry_libfunc,
5640 profile_function_exit_libfunc): Declare new variables.
5641 * optabs.c: Define them here.
5642 (init_optabs): Initialize them.
5643 * tree.h (struct tree_decl): New flag
5644 no_instrument_function_entry_exit.
5645 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5646 * c-decl.c (duplicate_decls): Merge it.
5647 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5648 (init_attributes): Use it for "no_instrument_function".
5649 (decl_attributes): Handle it, for functions that have not yet been
5650 compiled. Set decl flag.
5651 * flags.h (flag_instrument_function_entry_exit): Declare new
5653 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5654 (f_options): New option "instrument-functions".
5655 * function.h (struct function): New field instrument_entry_exit.
5656 * function.c (current_function_instrument_entry_exit): New
5658 (push_function_context_to, pop_function_context_from): Save and
5660 (expand_function_start): Set current_ variable, maybe emit return
5661 label and entry profile call.
5662 (expand_function_end): Maybe emit exit profile call.
5664 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5666 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5667 NON_QI_REG_P, pretend the register is SImode.
5669 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5671 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5672 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5673 manufacturer id for ns32k.
5674 * configure: Regenerated.
5675 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5676 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5677 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5678 * config/m68k/netbsd.h: Same.
5679 * config/ns32k/netbsd.h: Same.
5680 * config/sparc/netbsd.h: Same.
5682 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5684 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5685 or UNROLL_COMPLETELY loop that starts with a jump to its
5688 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5690 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5691 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5692 (print_operand, case 'B'): Don't fall through.
5693 (print_operand, case 'S'): Correct mask begin/end computation.
5694 Use HOST_BITS_PER_WIDE_INT.
5695 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5696 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5697 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5698 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5700 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5702 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5703 constraint from second alternative.
5705 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5707 * configure.in: Fix --without/--disable cases for local-prefix,
5708 gxx-include-dir and checking.
5710 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5712 * configure.in (enable_haifa): Set by default for sparc64 too.
5715 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5717 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5718 * i386/winnt.c (associated_type): New fn.
5719 (i386_pe_valid_type_attribute_p): New fn.
5720 (i386_pe_check_vtable_importexport): Remove.
5721 (i386_pe_dllexport_p): Use associated_type.
5722 (i386_pe_dllimport_p): Likewise.
5724 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5725 * i386.c (i386_valid_type_attribute_p): Also accept
5726 attributes for METHOD_TYPEs.
5728 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5730 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5732 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5734 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5736 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5737 them from generating a new base name for each occurence of
5740 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5742 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5744 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5748 * cplus-dem.c (type_kind_t): New type.
5749 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5750 on this paramter, rather than demangling the type again.
5751 (demangle_integral_value): Pass tk_integral.
5752 (demangle_template_: Pass the value returned from do_type.
5753 (do_type): Return a type_kind_t. Pass tk_integral to
5754 demangle_template_value_parm for array bounds.
5755 (demangle_fund_type): Likewise.
5757 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5759 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5762 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5764 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5766 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5768 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5770 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5773 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5775 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5776 (DEBUGGER_ARG_OFFSET): Likewise.
5778 * mn10300.md (movsf): Remove last change. Not needed.
5780 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5782 * c-lex.c (yylex): Fix boundary conditions in character literal and
5783 string literal loops.
5785 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
5787 * longlong.h (count_leading_zeros): Sparclite scan instruction was
5788 being invoked incorrectly.
5790 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
5791 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
5793 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
5794 * configure.in: Added i[34567]86-*-win32
5795 * config.sub: Ditto.
5796 * configure: Rebuilt.
5798 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
5800 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
5801 the frame pointer and compiling PIC code and reload has not completed.
5803 * i386.c (output_to_reg): Add code to emulate non-popping DImode
5806 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
5808 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
5810 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5812 * Makefile.in (install-info): Only try to update the info
5813 directory file if it exists in the first place.
5815 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
5817 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
5819 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
5821 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
5822 CONST_DOUBLE source.
5824 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
5826 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
5827 strings as the insertion of USER_LABEL_PREFIX.
5828 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
5830 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
5833 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
5835 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
5836 already defined type.
5838 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
5840 * expr.c (check_max_integer_computation_mode): Allow conversions
5841 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
5842 (expand_expr): Likewise.
5844 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5846 * expr.c (expand_expr): Expand RETURN_EXPR.
5848 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
5850 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
5852 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
5854 * dwarf2out.c (output_aranges): Call stripattributes
5855 for TEXT_SECTION references.
5856 (output_line_info): Likewise.
5858 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5860 * profile.c (branch_prob): Call allocate_reg_info after outputting
5861 profile rtl in instrument_arcs.
5863 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
5865 * fixinc.irix (math.h): Install wrapper instead of copying.
5867 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5869 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
5870 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
5871 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
5872 lang_flag_0. Added documentation in the flag table.
5874 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
5876 * cccp.c (do_include): Fix vax c style include handling.
5878 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5880 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
5882 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
5884 * fold-const.c (non_lvalue): Don't deal with null pointer
5886 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5888 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
5890 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
5891 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
5892 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
5893 (u_short_cint_operand): Same.
5894 (reg_or_cint_operand): Same.
5895 (logical_operand): Same.
5896 (input_operand): Same.
5897 (reg_or_short_operand): Use u_short_cint_operand.
5899 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
5901 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
5902 but keep the insns and splits. Adjust so when the ultimate destination
5903 is memory, use cvtql.
5905 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
5907 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
5909 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
5911 * gcc.c (do_spec): Call "error" not "warning".
5913 * configure.in: Fix minor problems with gas feature detection code.
5914 * configure: Rebuilt.
5916 * gcc.c (do_spec): Issue a warning for '%[]' usage.
5919 * gcc.c: Delete %[spec] support.
5920 (do_spec_1, case '('): Likewise.
5921 (do_spec_1, case '['): Call error.
5923 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
5925 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
5926 (CPP_SUBTARGET_SPEC): Default to empty string.
5927 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
5928 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
5929 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
5930 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
5932 * alpha/linux.h (CPP_PREDEFINES): Tidy.
5933 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
5934 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
5935 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
5936 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
5937 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
5938 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
5939 * alpha/vxworks.h: Likewise.
5941 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
5943 * mips.md (reload_outsi): Added missing REGNO call.
5944 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
5946 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
5947 another match_operator and compare the codes.
5949 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
5951 * MIPS multiply pattern fixes:
5952 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5953 Add union classes for HI, LO, or HILO plus general registers.
5954 (GENERATE_MADD): Deleted.
5955 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
5956 Add TARGET_MAD to condition.
5957 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
5958 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
5959 "*d" for accumulator, to give preference to LO initially but not
5962 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
5964 * configure.in (enable_c_mbchar): New configure option.
5965 (extra_cpp_objs): Always available now.
5967 * cexp.y (mbchar.h): #include it.
5968 (yylex): Handle Multibyte characters in character literals.
5970 * cccp.c (mbchar.h): #include it.
5971 (main): Set character set based on LANG environment variable.
5972 (rescan): Handle multibyte characters in comments.
5973 (skip_if_group): See above.
5974 (validate_else): See above.
5975 (skip_to_end_of_comment): See above.
5976 (macarg1): See above.
5977 (discard_comments): See above.
5978 (rescan): Handle multibyte characters in string and character literals.
5979 (collect_expansion): See above.
5980 (skip_quoted_string): See above.
5981 (macroexpand): See above.
5982 (macarg1): See above.
5983 (discard_comments): See above.
5984 (change_newlines): See above.
5986 * c-lex.c (mbchar.h): #include it.
5987 (GET_ENVIRONMENT): New macro.
5988 (init_lex): Set character set based on LANG environment variable.
5989 (yylex): Handle multibyte characters in character literals.
5990 (yylex): Handle multibyte characters in string literals.
5992 * Makefile.in (mbchar.o): New target.
5993 (cccp$(exeext)): @extra_cpp_objs@ is always available.
5994 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
5996 * mbchar.[ch]: New files for multibyte character handling.
5998 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6000 * jump.c (jump_optimize): When simplifying noop moves and
6001 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6002 the PUSHes to rewrite in second loop as we did in the first.
6004 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6006 * cplus-dem.c (demangle_nested_args): Make function definition
6007 static to match the prototype.
6009 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6011 * alloca.c: Respect USE_C_ALLOCA.
6012 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6013 * gengenrtl.c (xmalloc): Likewise.
6015 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6017 * loop.h (struct induction): Add no_const_addval.
6018 * loop.c (the_movables, reg_address_cost): New variables.
6019 (init_loop): Init reg_address_cost.
6020 (loop_optimize): Call end_alias_analysis.
6021 (scan_loop): Init the_movables.
6022 (record_giv): Init induction->no_const_addval.
6023 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6024 [REG]: Rearrange loop search test to catch more cases.
6025 (general_induction_var): Return success not benefit; take an extra
6026 argument for that. Change all callers.
6027 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6028 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6029 [default]: Search the_movables for additional combinations.
6030 (sge_plus_constant, sge_plus): New functions.
6031 (express_from_1): New function.
6032 (express_from): Always define. Rewrite using express_from_1.
6033 (combine_givs_p): Handle more cases. Ignore address cost.
6034 (cmp_combine_givs_stats): New function.
6035 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6036 (combine_givs): Rewrite to do best-fit combination.
6038 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6039 (fold): Do a complete (A*C)+(B*C) association check.
6041 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6043 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6045 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6047 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6049 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6051 * tree.c (valid_machine_attribute): Only create a new type variant if
6052 there is a decl to use it.
6054 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6056 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6059 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6061 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6064 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6066 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6067 Simplify tests for clearing an address register.
6068 (expand_prologue): Corresponding changes.
6070 * mn10300.md (movXX patterns): Make sure the destination is an
6071 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6072 (logical patterns): Split into expanders + patterns
6073 (zero and sign extension patterns): Similarly.
6074 (shift patterns): Similarly.
6076 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6078 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6079 for the sequence, recording base values.
6081 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6083 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6085 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6087 * gcc.c: Remove ANSI-C ism from --help code.
6089 * toplev.c: Support --help with USE_CPPLIB.
6091 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6093 * configure.in: Rework gas feature code to work with symlink based
6096 * extend.texi: Clarify some issues related to local variables
6097 assigned to explicit registers.
6099 * mn10300.md (mulsi): Turn into expander + pattern.
6101 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6104 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6106 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6108 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6110 * version.c: Bump again to distinguish mainline tree from the
6113 See ChangeLog.0 for earlier changes.
6116 add-log-time-format: current-time-string
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