1 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * gansidecl.h: Prepend a "G" to the macro wrapping this file
4 (to distinguish it from the macro wrapping ansidecl.h.)
5 Include libiberty's ansidecl.h. Remove all redundant definitions.
6 Define the PROTO() style macros in terms of the PARAMS() ones.
9 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
10 __STDC__, when deciding whether to use ANSI variable args.
11 (emit_library_call_value): Likewise.
13 * cccp.c (error): Likewise.
15 (error_with_line): Likewise.
16 (warning_with_line): Likewise.
18 (pedwarn_with_line): Likewise.
19 (pedwarn_with_file_and_line): Likewise.
22 * cexp.y (error): Likewise.
26 * collect2.c (fatal_perror): Likewise.
30 * combine.c (gen_rtx_combine): Likewise.
32 * cpperror.c (cpp_message): Likewise.
33 (cpp_fatal): Likewise.
35 * cpplib.c (cpp_error): Likewise.
36 (cpp_warning): Likewise.
37 (cpp_pedwarn): Likewise.
38 (cpp_error_with_line): Likewise.
39 (cpp_warning_with_line): Likewise.
40 (cpp_pedwarn_with_line): Likewise.
41 (cpp_pedwarn_with_file_and_line): Likewise.
43 * cpplib.h: Don't define PARAMS() macro.
45 * demangle.h: Likewise.
47 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
48 when deciding whether to use ANSI variable args.
50 * emit-rtl.c (gen_rtx): Likewise.
51 (gen_rtvec): Likewise.
53 * final.c (asm_fprintf): Likewise.
55 * fix-header.c (cpp_message): Likewise.
57 (cpp_fatal): Likewise.
59 * gcc.c (concat): Likewise.
63 * genattr.c (fatal): Likewise.
65 * genattrtab.c (attr_rtx): Likewise.
66 (attr_printf): Likewise.
69 * gencodes.c (fatal): Likewise.
71 * genconfig.c (fatal): Likewise.
73 * genemit.c (fatal): Likewise.
75 * genextract.c (fatal): Likewise.
77 * genflags.c (fatal): Likewise.
79 * genopinit.c (fatal): Likewise.
81 * genoutput.c (fatal): Likewise.
84 * genpeep.c (fatal): Likewise.
86 * genrecog.c (fatal): Likewise.
88 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
89 deciding whether to declare `tree_node' and `rtx_def'.
91 * hash.h: Don't define stuff we get from gansidecl.h.
93 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
94 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
95 whether to use ANSI variable args.
98 * prefix.c (concat): Likewise.
102 * system.h: Likewise.
104 * toplev.c (error_with_file_and_line): Likewise.
105 (error_with_decl): Likewise.
106 (error_for_asm): Likewise.
109 (warning_with_file_and_line): Likewise.
110 (warning_with_decl): Likewise.
111 (warning_for_asm): Likewise.
114 (pedwarn_with_decl): Likewise.
115 (pedwarn_with_file_and_line): Likewise.
117 (really_sorry): Likewise.
119 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
120 whether to declare `tree_node' and `rtx_def'.
122 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
123 deciding whether to use ANSI variable args.
124 (build_nt): Likewise.
125 (build_parse_node): Likewise.
127 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
129 * version.c: Bump for snapshot.
131 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
133 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
135 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
137 * collect2.c (main, case 'b'): Use else if.
139 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
141 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
142 Arrange to include gansidecl.h in {ht}config.h & tm.h just
143 before the config/ directory headers.
144 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
145 gansidecl.h in the list of dependencies.
147 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
148 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
149 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
150 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
151 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
152 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
155 * cccp.c: Don't include gansidecl.h.
157 * collect2.c: Likewise.
158 * config/c4x/c4x.c: Likewise.
159 * config/v850/v850.h: Likewise.
160 * cppalloc.c: Likewise.
161 * cpperror.c: Likewise.
162 * cppexp.c: Likewise.
163 * cppfiles.c: Likewise.
164 * cpphash.c: Likewise.
165 * cpplib.c: Likewise.
166 * cppmain.c: Likewise.
167 * cppulp.c: Likewise.
168 * demangle.h: Likewise.
169 * doprint.c: Likewise.
170 * dyn-string.c: Likewise.
171 * eh-common.h: Likewise.
172 * fix-header.c: Likewise.
176 * gen-protos.c: Likewise.
177 * gencheck.c: Likewise.
178 * halfpic.h: Likewise.
180 * machmode.h: Likewise.
181 * mbchar.c: Likewise.
182 * prefix.c: Likewise.
183 * protoize.c: Likewise.
186 * scan-decls.c: Likewise.
188 * varray.h: Likewise.
190 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
192 * i386.md (call_value_pop): If we're not popping anything,
194 (call_pop): Likewise defer to call.
196 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
198 * function.c (purge_addressof): Clear purge_addressof_replacements
199 only after processing the whole function.
201 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
203 * reload1.c (reload): If we can not perform a particular elimination
204 when we thought we could earlier, then we must always iterate through
205 the loop at least one more time.
207 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
209 * alpha.c (add_operand): Simplify the CONST_INT match.
210 (sext_add_operand): Correct typo in comparison by using
211 CONST_OK_FOR_LETTER_P.
212 * alpha.md (s?addq): Use sext_add_operand to allow the negative
213 constant alternatives to be generated.
214 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
215 small constants, since the hw instructions do.
217 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
219 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
220 previous insn to store directly into our reload register, make sure
221 that if the source of the previous insn is a reload register, its
222 spill_reg_store and spill_reg_stored_to values are cleared.
224 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
226 * rs6000.md (floatunssidf2_internal splitter): Use base register
227 operand, not hard-coded SP.
229 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
231 * jump.c (calculate_can_reach_end): Fix thinko.
233 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
235 * reorg.c (fill_simple_delay_slots): Fix typo.
237 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
239 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
241 * i386.md (extendsidi2): Use # in the output template.
242 (extendsidi splitters): New splitters.
244 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
246 * jump.c (init_label_info, delete_barrier_successors,
247 mark_all_labels, delete_unreferenced_labels,
248 delete_noop_moves, calculate_can_reach_end): New functions broken
249 out of jump_optimize.
250 (jump_optimize): Use them.
252 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
254 * except.c (expand_fixup_region_end): Make sure outer context labels
255 are not issued in an inner context during cleanups.
257 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
259 * alpha.md (addsi3, subsi3): No new temporaries once cse is
262 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
264 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
265 to expose this midpoint to CSE.
267 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
269 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
271 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
273 * configure.in: Bring over gcc2 change of Nov 19 1997.
275 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
277 * toplev.c (output_lang_identify): Make definition dependent on
278 ASM_IDENTIFY_LANGUAGE.
280 * print-rtl.c (spaces): Make static.
282 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
284 * extend.texi: Clarify proper uses for register clobbers in asms.
286 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
288 * recog.h (enum op_type): Define.
289 (constrain_operands): Adjust prototype.
290 (recog_op_type): Declare new variable.
291 * recog.c (recog_op_type): New variable.
292 (insn_invalid_p): Allow modifying an asm statement after reload.
293 (extract_insn): Set up recog_op_type.
294 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
295 Don't compute operand types, use recog_op_type.
296 Use the information computed by extract_insn instead of the previous
297 method of finding it by insn code number.
298 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
299 * reorg.c (fill_slots_from_thread): Likewise.
300 * reload1.c (reload_as_needed): Likewise.
301 (gen_reload): Likewise.
302 (inc_for_reload): Likewise.
303 (reload_cse_simplify_operands): Likewise.
304 Use the information computed by extract_insn instead of the previous
305 method of finding it by insn code number.
306 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
308 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
309 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
310 Use the information computed by extract_insn instead of the previous
311 method of finding it by insn code number.
312 * regmove.c (find_matches): Likewise. Change meaning of the return
313 value to be nonzero if the optimization can be performed, zero if
314 not. All callers changed.
315 Shorten some variable names to fix formatting problems.
316 (regmove_optimize): Shorten some variable names to fix formatting
318 Use the information computed by extract_insn instead of the previous
319 method of finding it by insn code number.
320 * regclass.c (scan_one_insn): Likewise.
321 (record_reg_classes): Don't compute operand types, use recog_op_type.
322 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
323 recog_constraints instead.
325 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
327 * rtl.h (flow2_completed): Declare.
328 * flow.c (flow2_completed): Definition.
329 * toplev.c (rest_of_compilation): Set and clear flow2_completed
332 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
334 * Makefile.in (libcpp.a): Ranlib libcpp.a
336 * cppulp.c (user_label_prefix): Initialize.
338 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
340 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
341 at a RETURN if current_function_sp_is_unchanging is set.
343 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
345 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
347 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
349 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
350 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
351 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
352 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
353 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
354 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
356 (LIB_SPEC): Handle -mno-cyginw option.
357 (LINK_SPEC): Handle -mdll.
359 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
361 * reload.c (find_reloads): Fix test for usage by other reload
362 to handle secondary reloads properly.
364 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
366 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
367 intermediate structure which has exactly the members provided by
368 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
369 static intermediate structure.
371 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
372 from the intermediate structure. Do the same analogous fix in
373 the case where ELIMINABLE_REGS is not defined.
375 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
377 * pa.h (SELECT_SECTION): Fix thinko.
379 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
381 * dwarf2out.c (output_call_frame_info): Comments on last change.
383 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
385 * arm.c (add_constant): When taking the address of an item in the
386 pool, get the mode of the item addressed.
388 * arm.c (final_prescan_insn case INSN): If an insn doesn't
389 contain a SET or a PARALLEL, don't consider it for conditional
392 Restore ABI compatibility for NetBSD.
393 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
395 (RETURN_IN_MEMORY): Likewise.
397 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
399 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
400 (m32r_output_block_move): Rewrite bytes < 4 handling.
402 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
404 * configure.in: Call AC_FUNC_VFORK.
406 * collect2.c: Define VFORK_STRING as a printable string for
407 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
408 defined, include vfork.h. If VMS is defined, define vfork()
409 appropriately. Remove vfork check on USG, we're using autoconf.
410 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
411 checking locally what string to pass.
412 (scan_prog_file): Likewise.
413 (scan_libraries): Likewise.
415 * gcc.c: Remove vfork check on USG, we're using autoconf.
416 Besides, no calls to vfork/fork occur in this file.
418 * protoize.c: Likewise.
420 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
422 * configure.in (DEFAULT_LINKER): renamed from LD
423 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
424 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
427 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
429 * BUGS: fix the regexp for `more' to find the appropriate node.
430 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
432 * BUGS: added link to the WWW FAQ
434 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
436 * version.c: Bump for snapshot.
438 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
440 * From Christian Gafton:
441 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
442 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
443 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
445 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
447 * c-common.c (c_get_alias_set): Allow all type-punning through
448 unions. Don't get confused about the type of a bit-field, despite
449 the antics of build_modify_expr.
451 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
453 * fixinc.sco: Paramaterize #include_next values.
454 * fixinc/fixinc.sco: Likewise.
456 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
458 * toplev.c (rest_of_compilation): No longer set reload_completed.
459 * reload1.c (reload): Set it here. Perform instruction splitting
460 after reload has completed if we will be running the scheduler
463 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
465 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
466 EH region if exceptions are enabled and we're performing cross
468 (find_cross_jump): Exit loop if the insns are in different EH regions.
470 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
472 * dwarf2out.c (output_call_frame_info): Use
473 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
475 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
477 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
478 * c-common.c (check_format_info): Don't check for the 'x'
479 format character twice, instead check for 'x' and 'X'
481 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
483 * configure.in (assembler features): Also make gas is configured if
484 we find it in the souce tree.
486 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
488 * i386.c (i386_comp_type_attributes): Compare whether the
489 attributes are defined, not their tree nodes.
491 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
493 * configure.in (gxx_include_dir): bitten by autoconf quoting
497 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
499 * configure.in: Ignore non-absolute value in $AS.
501 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
503 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
505 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
507 * configure.in (msdosdjgpp): Set exeext and target_alias.
509 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
511 * flow.c (XNMALLOC): New macro.
512 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
514 (add_edge, add_edge_to_label): New static functions.
515 (free_bb_memory): New function.
516 (flow_delete_insn): Delete function.
517 (basic_block_drops_in): Delete variable.
518 (find_basic_blocks): Allocate and initialize basic_block_head,
519 basic_block_succ. Don't allocate basic_block_drops_in.
520 Call free_bb_memory at the beginning.
521 (find_basic_blocks_1): Don't do multiple passes.
522 Delete code to compute basic_block_drops_in.
523 After calling make_edges, mark blocks reached by current block live.
524 Update test for unreachable live blocks.
525 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
527 Simplify to call add_edge_to_label when a LABEL_REF is found.
528 (make_edges): Simplify to call add_edge_to_label instead of
529 mark_label_ref most of the time.
530 Compute here whether control drops into the next block.
531 (delete_unreachable_blocks): Return void. All callers changed.
532 Delete unreachable blocks in reverse order.
533 After deleting all unreachable blocks, renumber the remaining ones
534 and update n_basic_blocks.
535 (delete_block): Speed up deletion a bit.
536 Don't set basic_block_drops_in for deleted blocks.
537 (free_basic_block_vars): Don't free basic_block_drops_in.
538 (life_analysis_1): Update to use new edge representation.
539 (dump_flow_info): Delete code to print basic block info; call
540 dump_bb_data instead.
541 (compute_preds_succs): Delete code to recompute basic_block_drops_in
542 and uid_block_number.
543 Simply copy the previously computed cfg.
544 (dump_bb_data): New arg LIVE_INFO. All callers changed.
545 Print register lifetime information if LIVE_INFO is nonzero.
546 * basic-block.h (dump_bb_data): Adjust prototype.
547 * gcse.c (gcse_main): Update call to dump_bb_data.
548 * rtl.h (free_bb_memory): Declare.
549 * toplev.c (rest_of_compilation): Call free_bb_memory.
551 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
552 (update_eliminable_offsets): Don't compute it.
553 (set_initial_elim_offsets): Don't initialize it.
554 Break out some code into set_initial_label_offsets so the rest of
555 this function can be called from reload_as_needed.
556 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
557 ELIMINABLE_REGS isn't.
558 (set_initial_label_offsets): New function, broken out of
559 set_initial_elim_offsets.
560 (set_offsets_for_label): New function, broken out of set_label_offsets
561 and reload_as_needed.
562 (reload): Call the two new functions.
563 (reload_as_needed): Call set_initial_elim_offsets instead of
564 duplicating the code. Likewise for set_offsets_for_label.
566 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
567 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
568 any hard reg, reg_reloaded_dead contains valid data.
570 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
572 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
573 "stdcall" and "cdecl" attributes.
575 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
577 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
578 handle deleted no-op moves of hard registers.
579 * haifa-sched.c (update_flow_info): Likewise.
581 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
583 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
584 of the sequences to reload the HILO register which do not actually
587 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
589 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
591 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
593 * except.c (emit_eh_context): Make the EH context register stay alive
594 at -O0 so stupid.c doesn't get confused.
596 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
598 * emit-rtl.c (try_split): Do not try to split a BARRIER.
600 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
601 Jeffrey A Law (law@cygnus.com)
603 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
604 (zero_extendsidi2): Use # in output template and handle completely by
606 (zero_extend splitters): New define_splits.
607 (ashiftrt_32): New pattern.
609 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
611 * tree.c (append_random_chars): New fn.
612 (get_file_function_name_long): Use it.
614 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
616 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
617 (LIBCPP_OBJS): New. Add cppulp.o.
618 (cppmain, fix-header): Depend on and use libcpp.a.
619 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
620 of the individual object files.
621 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
624 * cccp.c (user_label_prefix): New.
625 (main): Set it off -f*leading-underscore.
626 (special_symbol): Use it.
627 * cpplib.c (special_symbol): Likewise.
628 (cpp_handle_option): Handle -f*leading-underscore.
629 * cppulp.c: New file.
631 * output.h (user_label_prefix): Declare it.
632 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
633 * toplev.c (f_options, main): Handle -f*leading-underscore.
635 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
636 referencing USER_LABEL_PREFIX directly.
637 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
638 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
639 * final.c (asm_fprintf): Use user_label_prefix instead.
640 * arm/thumb.c (thumb_print_operand): Likewise.
642 * gcc.c (default_compilers): Pass -f*leading-underscore on to
643 cpp wherever appropriate.
645 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
647 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
648 specific compiler switches.
650 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
652 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
655 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
657 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
658 structure which has exactly the members provided by EXTRA_SPECS.
659 Xmalloc() the real `extra_specs', and initialize it from this
660 intermediate structure.
662 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
664 * mips.h (EXTRA_SPECS): Likewise.
666 * sparc.h (EXTRA_SPECS): Likewise.
668 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
670 * function.c (purge_addressof_1): Instead of aborting when a
671 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
672 work just put the ADDRESSOF on stack. Otherwise remember all such
673 successfull replacements, so that exactly the same replacements
674 can be made on the REG_NOTEs. Remove the special case for CALL
676 (purge_addressof_replacements): New variable.
677 (purge_addressof): Clear it at end.
679 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
681 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
682 (lang_init): Call check_newline always.
683 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
684 cpp_start_read, set yy_cur and yy_lim to read from
685 parse_in.token_buffer, so that we'll see the first #line
687 * cpplib.c (cpp_start_read): finclude the main input file
688 before processing -include/-imacros. Process -imacros and
689 -include separately, and handle -include by stacking a
690 buffer for the file in question as if it'd been #included.
691 * toplev.c (documented_lang_options) Recognize -H when
694 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
696 * cpplib.c: Merge do_once into do_pragma. Break file handling
697 code out of do_include.
698 Move append_include_chain, deps_output,
699 file_cleanup, redundant_include_p, import_hash,
700 lookup_import, add_import, read_filename_string, read_name_map,
701 open_include_file, finclude, safe_read to cppfiles.c.
702 Move prototypes for deps_output, append_include_chain,
703 finclude to cpplib.h. Move definition of struct
704 file_name_list there also.
706 * cppfiles.c: New file. Contains all the above functions
707 broken out of cpplib.c; also hack_vms_include_specification
708 from cccp.c and find_include_file, a new function broken out of
711 * Makefile.in (cppmain): Depend on cppfiles.o.
712 (fix-header): Likewise.
713 (cppfiles.o): New target.
714 * configure.in (--enable-c-cpplib): Add cppfiles.o to
715 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
717 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
719 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
720 if pending_types is non-zero.
721 (dwarfout_finish): Verify pending_types is zero before finishing.
723 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
725 * expr.c (convert_move): Use shifts to perform the move if a
726 suitable extend pattern cannot be found. Code written by
727 Richard Henderson <rth@cygnus.com>.
729 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
731 * regclass.c (renumber, regno_allocated): New static variables, moved
732 out of allocate_reg_info.
733 (allocate_reg_info): Move these two variables outside the function.
734 Move code to free memory into new function free_reg_info.
735 (free_reg_info): New function, broken out of allocate_reg_info.
736 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
737 * rtl.h (allocate_reg_info): Don't declare.
738 (free_reg_info): Declare.
740 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
742 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
744 * toplev.c (compile_file): Temporarily revert last change.
746 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
748 * c-typeck.c (convert_for_assignment): Parenthesize.
750 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
752 * reload1.c (delete_output_reload): Avoid ambigous else.
754 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
756 * toplev.c (compile_file): Call allocate_reg_info to free register
758 * rtl.h (allocate_reg_info): Declare.
760 * PROJECTS: Remove entry for local spilling.
762 * final.c (cleanup_subreg_operands): New function.
763 (final_scan_insn): Use it.
764 (alter_subreg): Clear the "used" field when we turn a SUBREG into
766 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
767 operands when reload has finished.
768 * reload.h (cleanup_subreg_operands): Declare..
769 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
770 reload. Handled in reload itself.
772 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
774 * reload1.c (verify_initial_offsets): New function.
775 (reload): Call it after reload_as_needed. Also verify that the frame
776 size stays constant during reload_as_needed.
777 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
779 * reload.h (struct insn_chain): Add need_operand_change element.
780 * reload1.c (new_insn_chain): Clear it.
781 (calculate_needs_all_insns): Set it; don't overload need_reload.
782 (reload_as_needed): Use it.
784 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
785 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
786 and reload_address_index_reg_class.
787 (find_reloads_address_1): Likewise.
788 * reload.h (reload_address_base_reg_class,
789 reload_address_index_reg_class): Don't declare.
790 * reload1.c (reg_old_renumber, pseudo_previous_regs,
791 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
792 (used_spill_regs): Now static.
793 (reload_address_base_reg_class, reload_address_index_reg_class,
794 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
795 basic_block_needs, max_needs, group_size, group_mode, max_groups,
796 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
799 (init_reload): Delete code to compute base/index reg classes.
800 (reload): Delete variable J.
801 Delete code to manage basic_block_needs.
802 Don't compute regs_explicitly_used.
803 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
804 pseudo_previous_regs.
805 Initialize bad_spill_regs_global.
806 Don't call order_regs_for_reload here.
807 Don't initialize spill_reg_order and n_spills.
808 Don't forbid explicitly used regs to be used for spill regs.
809 Change main loop to infinite loop, with explicit break statements.
810 Make SOMETHING_CHANGED variable local to that loop.
811 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
812 max_groups_insn, max_nongroups_insn, group_size, group_mode.
813 Make sure spilled_speudos is cleared before calling spill_hard_reg or
815 Don't call dump_needs.
816 Delete code to reset potential_reload_regs.
817 Delete code to terminate loop conditional on the global needs variables
818 showing no further needs.
819 (calculate_needs_all_insns): Return void. All callers changed.
820 Initialize somehing_needs_elimination here, not in reload.
821 Delete avoid_return_reg kludge.
822 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
824 Initialize the group_mode and group_size elements of the arg CHAIN.
825 Delete code to manage basic_block_needs.
826 Operate on elements of CHAIN instead of global variables.
827 Delete avoid_return_reg kludge.
828 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
830 Operate on elements of CHAIN instead of global variables.
831 Delete special SMALL_REGISTER_CLASSES code.
832 Delete spill_failure code; now in new_spill_reg.
833 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
835 Operate on elements of CHAIN instead of global variables.
836 (maybe_mark_pseudo_spilled): New static function.
837 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
839 Operate on elements of CHAIN instead of global variables.
840 Call order_regs_for_reload here, not in reload.
841 Initialize spill_reg_order and n_spills.
842 Simplify test whether an asm insn is involved.
843 Delete spill_failure code; now in new_spill_reg.
844 Call maybe_mark_pseudo_spilled for everything marked as live in
845 CHAIN. Merge CHAIN's used_spill_regs into the global variable
847 (dump_needs): Take CHAIN arg. No longer static, to prevent the
848 compiler from optimizing this function (now unused) away.
849 Operate on elements of CHAIN instead of global variables.
850 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
852 Operate on elements of CHAIN instead of global variables.
853 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
854 take CHAIN arg. All callers changed.
855 Operate on elements of CHAIN instead of global variables.
856 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
857 CHAIN, NONGROUP args. Return void. All callers changed.
858 Verify caller isn't trying to spill a pseudo.
859 Simplify test for illegal reg, just use bad_spill_regs.
860 Generate better error messages.
861 Operate on elements of CHAIN instead of global variables.
862 Mark spilled register in CHAIN's used_spill_regs element.
863 Don't call spill_hard_reg.
864 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
865 Mark spilled hard regs in bad_spill_regs_global.
866 Mark affected pseudos in spilled_pseudos, but don't spill them.
867 (ior_hard_reg_set): New static function.
868 (finish_spills): Return int. All callers changed.
869 Compute spill_reg_order, n_spills and spill_regs here. Also update
870 regs_ever_live for regs used as spills.
871 For every pseudo in spilled_pseudos, spill it and mark the previous
872 hard reg it had in pseudo_previous_regs. Compute which hard regs
873 arseudo): New static function.
874 (order_regs_for_reload): Take CHAIN arg. All callers changed.
875 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
876 hard registers explicitly used across the current insn into the set.
877 Compute hard_reg_n_uses taking only pseudos live across this insn
879 Tweak sorting of potential_reload_regs.
880 (compare_spill_regs): Delete function.
881 (reload_as_needed): Don't sort the spill_regs array, it's computed
882 in proper order in finish_spills.
883 Delete avoid_return_reg kludge.
884 Delete code to manage basic_block_needs.
885 (allocate_reload_reg): Minor speed/readability tweaks.
886 Operate on elements of CHAIN instead of global variables.
887 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
888 Delete avoid_return_reg kludge.
889 Initialize reload_reg_used from CHAIN's used_spill_regs element.
890 Delete unused label FAIL.
891 (reload_combine): Replce reload_address_index_reg_class with
893 Don't use used_spill_regs to determine information about lifetime of
896 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
898 * toplev.c (display_help): Ignore empty target specific
899 options, and if -W is also specified on the command line then
900 display undocumented options.
902 * config/arm/arm.c: Updated with changes in devo sources.
903 * config/arm/arm.h: Updated with changes in devo sources.
904 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
905 * config/arm/lib1thumb.asm: Add ELF support.
907 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
909 * collect2.c (aix64_flag): New variable.
910 (main, case 'b'): Parse it.
911 (GCC_CHECK_HDR): object magic number must match mode.
912 (scan_prog_file): Only check for shared object if valid header.
913 Print debugging if header/mode mismatch.
915 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
917 Added support for arm-elf-linux configuration, submitted by Philip
918 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
919 code developed by Catherine Moore <clm@cygnus.com>. The following
922 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
925 * configure: Regenerated.
927 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
928 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
929 definitions conditional on their not having been already defined.
931 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
932 and .type directives, and add "(PLT)" qualification to function
935 * config/arm/linux.h: Deleted. This file is now superceeded by
936 either linux-elf.h or linux-aout.h.
938 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
939 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
941 Move definitions from old linux.h file here.
943 * config/arm/elf.h: New file. Generic ARM/ELF support.
945 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
947 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
949 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
950 using the 26bit APCS.
952 * config/arm/unknown-elf.h: New file. Support for OS'es other
955 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
958 * config/arm/coff.h: Include aout.h for basic assembler macros.
959 Add support for -mstructure_size_boundary=<n> command line option.
961 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
962 command line option. Make macro definitions conditional on their
963 not having been already defined.
965 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
969 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
971 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
972 has been changed to not include a newline. Use this macro instead.
973 (output_enumeral_list, const_value_attribute, name_attribute,
974 comp_dir_attribute, prototyped_attribute, producer_attribute,
975 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
976 dwarfout_file_scope_decl, generate_new_sfname_entry,
977 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
978 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
980 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
982 * combine.c (subst): Process the inputs to a parallel asm_operands
985 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
987 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
989 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
991 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
993 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
995 * version.c: Bump for snapshot.
997 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
999 * stmt.c (expand_fixup): Set fixup->before_jump to a
1000 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
1002 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1004 * Makefile.in (recog.o): Depend on toplev.h.
1005 (insn-emit.o): Depend on recog.h.
1006 (insn-peep.o): Depend on recog.h and insn-config.h.
1008 * combine.c (simplify_set): Remove unused variable `scratches'.
1010 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
1011 and `idx' in macro conditional controlling their use.
1013 * genemit.c (main): Make the generated output file include
1014 recog.h. Don't have it declare `insn_operand_constraint', since
1015 we get it from recog.h.
1017 * genpeep.c (main): Make the generated output file include
1018 insn-config.h and recog.h.
1020 * recog.c: Include toplev.h.
1021 (extract_insn): Remove unused variable `p'.
1023 * regclass.c (fix_register): Add missing braces around initializer
1025 (allocate_reg_info): Move variable `i' into the scope where it is
1026 used. Change its type to `size_t'.
1028 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1030 * reload.c (push_reload): When merging reloads, make sure
1031 that reload_in_reg and reload_in are from the same reload in
1034 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
1036 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
1037 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1039 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
1041 * loop.c (loop_has_tablejump): New variable.
1042 (prescan_loop): Scan for it.
1043 (insert_bct): Replace explicit scan with use of it.
1044 * regclass.c (regclass): Restore loop variable j.
1045 (record_reg_classes): Deterine op_types modifiers and initialize
1046 classes[i] before matching constraints. Handle matching
1049 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
1051 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
1054 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1056 * mips.h (EXTRA_SPECS): Add missing initializers.
1058 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1060 * sparc.h (EXTRA_SPECS): Add missing initializers.
1061 (sparc_defer_case_vector): Provide a prototype.
1063 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
1064 comparing it to the result of a pointer subtraction.
1066 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1068 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
1069 the argument to (unsigned char).
1071 * alpha.h (EXTRA_SPECS): Add missing initializers.
1072 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
1075 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
1077 * flow.c (life_analysis_1): Enable "rescan" code after reload.
1078 (propagate_block): Delete dead code after reload.
1080 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
1081 back Oct 15, 1998 change.
1082 * haifa-sched.c (update_flow_info): Likewise.
1083 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
1085 * mn10200.md (truncated shift): Accept constant inputs too.
1087 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
1089 * machmode.h (mode_mask_array): No longer const.
1090 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
1092 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1094 * frame.c: Somewhat explain `FDE'.
1095 Suggested by Brendan Kehoe
1097 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1099 * expr.c (pending_chain): Move up.
1100 (save_expr_status): Do save pending_chain.
1101 (restore_expr_status): And restore it.
1102 * function.h (struct function): Add pending_chain.
1104 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1106 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
1107 did not match the code.
1109 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1111 * regclass.c (regclass): Break out some code into new function
1112 scan_one_insn, and into regclass_init.
1113 (init_cost): New static variable, moved out of regclass.
1114 (regclass_init): Initialize it here, not in .
1115 (scan_one_insn): New static function, broken out of regclass.
1116 * recog.c (apply_change_group): Break out some code into new
1117 function insn_invalid_p.
1118 (insn_invalid_p): New static fn, broken out of apply_change_group.
1120 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
1122 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
1123 reg_reloaded_contents matches incremented pseudo.
1125 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
1127 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1129 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
1130 addressing modes with side effects. These are currently
1131 placeholders for the C4x target.
1133 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1135 * loop.c (express_from): Make sure that when generating a PLUS of
1136 a PLUS, any constant expression appears on the outermost PLUS.
1138 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
1140 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
1141 works if "$(srcdir)" != ".".
1143 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
1145 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
1146 existing SUBREG if we can, otherwise abort.
1148 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
1150 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
1151 `restrict' is applied to a non-pointer variable.
1153 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
1155 * invoke.texi: Document -flang-isoc9x.
1157 * Makefile.in (OBJS): Add splay-tree.o.
1158 (c-common.o): Depend on rtl.h.
1159 (splay-tree.o): List dependencies and provide build rule.
1161 * rtl.h (record_alias_subset): New function.
1162 * alias.c: Include splay-tree.h.
1163 (alias_set_entry): New type.
1164 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
1165 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
1166 (mems_in_disjoin_alias_sets_p): New function.
1167 (alias_set_compare): Likewise.
1168 (insert_subset_children): Likewise.
1169 (get_alias_set_entry): Likewise.
1171 * tree.h (TYPE_RESTRICT): New macro.
1172 (TYPE_UNQUALIFIED): New manifest constant.
1173 (TYPE_QUAL_CONST): Likewise
1174 (TYPE_QUAL_VOLATILE): Likewise.
1175 (TYPE_QUAL_RESTRICT): Likewise.
1176 (tree_type): Add restrict_flag. Reduce count of free bits.
1177 (DECL_POINTER_ALIAS_SET): New macro.
1178 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1179 (tree_decl): Add pointer_alias_set.
1180 (build_qualified_type): New function.
1181 (build_type_variant): Define in terms of build_qualified_type.
1182 * tree.c (set_type_quals): New function.
1183 (make_node): Initializae DECL_POINTER_ALIAS_SET.
1184 (build_type_attribute_variant): Use build_qualified_type and
1186 (build_type_variant): Rename, and modify, to become...
1187 (build_qualified_type): New function.
1188 (build_complex_type): Use set_type_quals.
1190 * c-tree.h (C_TYPE_OBJECT_P): New macro.
1191 (C_TYPE_FUNCTION_P): Likewise.
1192 (C_TYPE_INCOMPLETE_P): Likewise.
1193 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1194 (c_apply_type_quals_to_decl): New function.
1195 (c_build_qualified_type): New function.
1196 (c_build_type_variant): Define in terms of c_build_qualified_type.
1197 (flag_isoc9x): Declare.
1198 * c-typeck.c (qualify_type): Use c_build_qualified_type.
1199 (common_type): Change to use TYPE_QUALS.
1200 (comptypes): Likewise.
1201 (convert_for_assignment): Likewise.
1202 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
1203 * c-decl.c (flag_isoc9x): Define.
1204 (c_decode_option): Handle -flang-isoc9x.
1205 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
1206 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
1207 * c-lex.c (init_lex): Deal with restrict.
1208 (init_lex): Don't treat restrict as a reserved word in
1209 -traditional mode, or without -flang-isoc9x.
1210 * c-lex.h (rid): Add RID_RESTRICT.
1211 * c-parse.gperf (restrict, __restrict, __restrict__): Make
1212 equivalent to RID_RESTRICT.
1213 * c-parse.in (TYPE_QUAL): Update comment.
1214 * c-common.c: Include rtl.h.
1215 (c_find_base_decl): New function.
1216 (c_build_type_variant): Rename, and modify, to become ...
1217 (c_build_qualified_type): New function.
1218 (c_apply_type_quals_to_decl): Likewise.
1219 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1220 a particular alias set for the reference.
1221 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1223 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1225 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1226 command line switches.
1228 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1230 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1233 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1235 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1237 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1239 * regclass.c (fix_register): Add error message.
1240 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1243 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1245 * c-decl.c (warn_missing_noreturn): New global variable.
1246 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1247 (finish_function): Implement missing noreturn warning.
1249 * c-tree.h (warn_missing_noreturn): Declare extern.
1251 * invoke.texi: Document new flags.
1253 * toplev.c (documented_lang_options): Add description.
1255 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1257 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1258 loop optimization stable for the C4x.
1259 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1260 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1261 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1263 (c4x_address_conflict): Be more paranoid when packing a volatile
1264 memref in a parallel load/store.
1266 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1268 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1269 repeat_block_filler): Deleted.
1270 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1271 Condition code not set if destination register from 'c' class.
1272 (*subbqi3_carry_clobber): Fix typo.
1274 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1276 * reorg.c (steal_delay_list_from_target) Check for insns that
1277 modify the condition codes and effect the direction of the jump
1280 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1282 * function.c (purge_addressof_1): Replace call to
1283 emit_insns_before() with emit_insn_before().
1285 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1287 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1289 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1291 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1293 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1295 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1296 clobbered across calls.
1298 * loop.c (scan_loop): Be more selective about what invariants are
1299 moved out of a loop.
1301 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1303 * version.c: Bump for snapshot.
1305 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1307 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1308 static eh_context structure.
1310 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1312 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1314 (try_combine): Don't update max_scratch.
1315 * flow.c (max_scratch, num_scratch): Delete variables.
1316 (life_analysis_1): Don't initialize max_scratch.
1317 (propagate_block): Don't update max_scratch.
1318 (mark_set_1): Don't increment num_scratch.
1319 * regs.h (max_scratch): Delete declaration.
1321 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1323 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1324 is nonzero. This is temporary!
1326 * sched.c (update_flow_info): Handle death notes made invalid by
1327 instruction splitting. Partially reverts Oct 15, 1998 patch.
1328 * haifa-sched.c (update_flow_info): Likewise.
1330 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1332 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1333 if it has a nonzero DECL_INITIAL.
1335 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1337 * Makefile.in (flow.o): Depend on recog.h.
1339 * cpplib.h (directive_table): Add missing initializiers.
1340 (finclude): Change type of variable `bsize' to size_t.
1342 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1344 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1346 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1347 `int' when comparing against one.
1348 (cpp_file_line_for_message): Mark parameter `pfile' with
1350 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1352 * flow.c: Include recog.h.
1353 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1355 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1356 `f' with ATTRIBUTE_UNUSED.
1357 (reposition_prologue_and_epilogue_notes): Likewise.
1359 * genopinit.c (gen_insn): Cast argument of ctype functions to
1362 * haifa-sched.c: Include recog.h.
1363 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1364 comparing against one.
1366 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1368 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1370 (parse_ent): Likewise.
1371 (parse_input): Likewise.
1373 * optabs.c (init_libfuncs): Likewise.
1375 * protoize.c (find_rightmost_formals_list): Likewise.
1377 * recog.h (const_double_operand): Fix typo in prototype.
1379 * tlink.c (scan_linker_output): Cast the argument of ctype
1380 function to `unsigned char'.
1382 * toplev.c (check_lang_option): Cast the result of `strlen' to
1383 `int' when comparing against one.
1385 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1387 * gcse.c (dump_cuid_table): Correct typo.
1389 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1391 * toplev.c (display_help): Prepend '-m' to target specific
1393 (check_lang_option): Ignore text after end of first word of a
1394 language specific option.
1396 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1398 * reload1.c (reg_used_by_pseudo): New static variable.
1399 (choose_reload_regs): Initialize it.
1400 Use it instead of testing spill_reg_order to determine whether a
1401 pseudo is live in a hard register across the current insn.
1402 Fix a typo in a reference to reload_reg_rtx.
1404 * flow.c (propagate_block): Replace code that computes and uses
1405 regs_sometimes_live with simpler code that just walks the set of
1406 currently live registers.
1408 * Makefile.in (insn-extract.o): Fix dependencies.
1409 * genextract.c (main): Generate includes for insn-config.h and
1411 Delete generation of declarations which are now in recog.h.
1412 * genrecog.c (main): Delete generation of definitions which are
1414 * local-alloc.c (block_alloc): Use extract_insn and the variables
1415 it sets up instead of looking up values by insn_code.
1416 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1417 recog_dup_num): Define here instead of generating the definition in
1419 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1420 recog_operand_mode, recog_constraints, recog_operand_address_p):
1422 (extract_insn): New function.
1423 * recog.h (extract_insn): Declare function.
1424 (which_alternative, recog_n_operands, recog_n_dups,
1425 recog_n_alternatives, recog_operand_mode, recog_constraints,
1426 recog_operand_address_p): Declare variables.
1427 * regclass.c (n_occurrences): New static function.
1428 * reload.c (n_occurrences): Delete function.
1429 (find_reloads): Use extract_insn.
1430 * reload.h (n_occurrences): Delete declaration.
1432 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1434 * reload1.c (reload_as_needed): Fix test for when to call
1435 update_eliminable_offsets.
1437 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1439 Fix consistency problems with reg_equiv_{mem,address};
1440 Improve reload inheritance;
1442 * reload.c (reload_out_reg): New variable.
1443 (loc_mentioned_in_p, remove_address_replacements): New functions.
1444 (remove_replacements): Deleted.
1445 (push_reload): Set reload_out_reg[i].
1446 When merging, also set reload_{in,out}_reg[i], and remove
1447 duplicate address reloads.
1448 (combine_reloads): Copy reload_out_reg[i].
1449 (find_reloads): Do make_memloc substitution also when
1450 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1452 Include *recog_operand_loc in commutativity operand changes.
1453 Generate optional output reloads.
1454 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1455 processing operands. Call make_memloc in reg_equiv_address code.
1456 Set *recog_operand_loc only after processing operands, and only
1457 if replace is true. Return a value.
1458 When changing address reload types for operands that didn't get
1459 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1460 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1461 Don't emit USEs for pseudo SUBREGs when not replacing.
1462 (find_reloads_address): Do make_memloc substitution also when
1463 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1465 (find_reloads_toplev): Likewise.
1466 Call make_memloc in reg_equiv_address code.
1467 (debug_reload_to_stream): Add code to output reload_out_reg.
1468 (make_memloc): Delete local variable i, ifdefed out code, and
1469 references to memlocs and n_memlocs.
1470 (memlocs, n_memlocs): Delete.
1471 (push_secondary_reload): Clear reload_out_reg.
1472 (find_reloads_address_1): Provide memrefloc argument to all calls
1473 to find_reloads_address.
1474 In AUTO_INC code, handle non-directly addressable equivalences properly.
1475 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1476 (find_reloads): Add return type.
1477 (remove_address_replacements, deallocate_reload_reg): Declare.
1478 * reload1.c (num_not_at_initial_offset): No longer static.
1479 (delete_address_reloads, delete_address_reloads_1): Likewise.
1480 (deallocate_reload_reg): New function.
1481 (spill_reg_stored_to): New array.
1482 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1483 (eliminate_regs_in_insn): Move assignments of previous_offset and
1484 max_offset fields, and recalculation of num_not_at_initial_offset
1485 into new static function:
1486 (update_eliminable_offsets) .
1487 (reload_as_needed): Call update_eliminable_offsetss after calling
1489 Call forget_old_reloads_1 with contents of reloaded auto_inc
1490 expressions if the actual addressing can't be changed to match the
1492 (choose_reload_regs): For inheritance, replace
1493 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1494 remove stand-alone reload_reg_used_at_all test.
1495 Use reload_out_reg to determine which reload regs have output reloads.
1496 Treat reload_override_in more similar to inherited reloads.
1497 Handle (subreg (reg... for inheritance.
1498 For flag_expensive_optimizations, add an extra pass to remove
1499 unnecessary reloads from known working inheritance.
1500 Delete obsolete code for pseudos replaced with MEMs.
1501 Handle inheritance from auto_inc expressions.
1502 (emit_reload_insns): If reload_in is a MEM, set OLD to
1504 Don't reload directly from oldequiv; if it's a pseudo with a
1505 stack slot, use reload_in[j].
1506 Check that reload_in_reg[j] is a MEM before replacing reload_in
1507 from reg_reloaded_contents.
1508 Include non-spill registers in reload inheritance processing.
1509 Also try to use reload_out_reg to set spill_reg_store /
1510 reg_last_reload_reg.
1511 In code to set new_spill_reg_store, use single_set to find out if
1512 there is a single set.
1513 Add code that allows to delete optional output reloads.
1514 Add code to allow deletion of output reloads that use no spill reg.
1515 At the end, set reload_override_in to oldequiv.
1516 Also call delete_output_reload if reload_out_reg is equal to old
1518 Add code to call delete_output_reload for stores with no matching load.
1519 Set / use spill_reg_stored_to.
1520 Handle case where secondary output reload uses a temporary, but
1521 actual store isn't found.
1522 When looking for a store of a value not loaded in order to call
1523 delete_output_reload, count_occurences should return 0 for no
1524 loads; but discount inherited input reloadill_reg_stored_to.
1525 Do checks for extra uses of REG. Changed all
1527 Use delete_address_reloads.
1528 (reload): Take return value of find_reloads into account.
1529 If a no-op set needs more than one reload, delete it.
1530 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1531 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1532 for the same operand.
1533 (clear_reload_reg_in_use): Check for other reloads that keep a
1535 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1536 RELOAD_FOR_OPADDR_ADDR.
1537 Take into account when an address address reload is only needed
1538 for the address reload we are considering.
1539 (count_occurrences): Use rtx_equal_p for MEMs.
1540 (inc_for_reload): Return instruction that stores into RELOADREG.
1541 New argument two, IN, and rtx. Changed all callers.
1542 (calculate_needs_all_insns, reload_as_needed):
1543 Don't clear after_call for a CLOBBER.
1544 Keep track of how many hard registers need to be copied from
1545 after_call, and don't clear after_call before we have seen
1546 that much copies, or we see a different instruction.
1548 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1550 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1551 after reload has completed.
1553 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1555 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1556 a macro name and the next token with a single blank if that whitespace
1557 is in a macro buffer and the next token is not '('.
1559 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1561 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1563 (skip_if_group): Ditto.
1564 (skip_to_end_of_comment): Ditto.
1566 (discard_comments): Ditto.
1567 (change_newlines): Ditto.
1569 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1571 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1573 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1575 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1576 (TARGET_OPTIONS): Add --help documentation.
1578 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1580 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1582 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1584 * fixinc/* Moved in from ../contrib directory in preparation
1585 for integrating it into the normal build process. In particular,
1586 fixinc/Makefile.in must be config-ed into the build directory
1587 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1588 ./configure.in will be "in the mail" momentarily.
1590 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1592 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1593 accidently walk into the free list. Comment how that can happen.
1594 (invalidate): Fix indentation.
1596 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1597 Jeffrey A Law (law@cygnus.com)
1599 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1600 reload. Never perform rescans of the insn chain after reload.
1601 (propagate_block): Do not delete insn or create new autoinc addressing
1604 * jump.c (jump_optimize): Unconditionally use the code that was
1605 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1606 * reload1.c (reload): When reloading is finished, delete all
1607 REG_DEAD and REG_UNUSED notes.
1608 (emit_reload_insns): Delete all code that was conditional on
1609 PRESERVE_DEATH_INFO_REGNO_P.
1610 (no_longer_dead_regs): Delete variable.
1611 (reload_cse_delete_death_notes): Delete function.
1612 (reload_cse_no_longer_dead): Delete function.
1613 (reload_cse_regs_1): Delete all code to handle deletion of death
1615 (reload_cse_noop_set_p): Likewise.
1616 (reload_cse_simplify_set): Likewise.
1617 (reload_cse_simplify_operands): Likewise.
1618 (reload_cse_move2add): Likewise.
1619 * reorg.c (used_spill_regs): Delete declaration.
1620 (max_label_num_after_reload): Delete declaration.
1621 (find_dead_or_set_registers): Don't assume that spill regs are
1622 dead at a CODE_LABEL.
1623 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1625 * sched.c (sched_analyze_insn): Likewise.
1626 (update_flow_info): Likewise.
1627 * haifa-sched.c (sched_analyze_insn): Likewise.
1628 (update_flow_info): Likewise.
1629 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1630 * toplev.c (max_label_num_after_reload): Delete variable.
1631 (rest_of_compilation): Don't set max_label_num_after_reload.
1632 Call life_analysis after reload_cse_regs if optimizing.
1633 * config/gmicro/gmicro.h: Delete comment referring to
1634 PRESERVE_DEATH_INFO_REGNO_P.
1635 * config/i386/i386.h: Likewise.
1636 * config/m88k/m88k.h: Likewise.
1637 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1638 * config/sh/sh.h: Likewise.
1640 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1642 * loop.c (strength_reduce): Restore marking bct_p as
1644 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1645 HAVE_decrement_and_branch_on_count.
1646 (small_data_operand): Remove TARGET_ELF condition for marking
1647 parameters ATTRIBUTE_UNUSED.
1649 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1651 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1652 (SELECT_SECTION): Resync with svr4.h.
1654 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1656 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1659 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1661 * c-pragma.c (handle_pragma_token): Test for null tree before
1662 dereferencing TREE_CODE.
1664 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1666 * config/c4x/c4x.c: Convert to use GEN_INT.
1667 (c4x_parallel_process): Rework to handle new repeat loop structure.
1669 * config/c4x/c4x.md: Convert to use GEN_INT.
1670 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1671 (decrement_and_branch_on_count): Likewise.
1673 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1674 loop.c has the desired functionality.
1675 (rc_reg_operand): New prototype.
1677 * config/c4x/t-c4x: Can now build all front ends.
1679 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1681 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1683 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1685 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1686 * config/t-rtems: Do not install assert.h -- use newlib's.
1688 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1690 * combine.c (combine_instructions): When finished, call init_recog.
1691 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1693 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1695 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1697 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1699 * cppalloc.c (memory_full): Mark function prototype with
1702 * demangle.h (collect_exit): Likewise.
1704 * fix-header.c (v_fatal, fatal): Likewise.
1706 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1709 * gcov.c (print_usage): Likewise.
1711 * genattr.c (fatal, fancy_abort): Likewise.
1713 * genattrtab.c (fatal, fancy_abort): Likewise.
1715 * gencodes.c (fatal, fancy_abort): Likewise.
1717 * genconfig.c (fatal, fancy_abort): Likewise.
1719 * genemit.c (fatal, fancy_abort): Likewise.
1721 * genextract.c (fatal, fancy_abort): Likewise.
1723 * genflags.c (fatal, fancy_abort): Likewise.
1725 * genopinit.c (fatal, fancy_abort): Likewise.
1727 * genoutput.c (fatal, fancy_abort): Likewise.
1729 * genpeep.c (fatal, fancy_abort): Likewise.
1731 * genrecog.c (fatal, fancy_abort): Likewise.
1733 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1734 __sjpopnthrow, __throw): Likewise.
1736 * objc/objc-act.c (objc_fatal): Likewise.
1738 * protoize.c (usage, aux_info_corrupted,
1739 declare_source_confusing): Likewise.
1741 * rtl.c (dump_and_abort): Likewise.
1743 * rtl.h (sets_cc0_p): Likewise.
1745 * toplev.c (float_signal, pipe_closed): Likewise.
1747 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1749 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1750 when generating the decision tree for the general case.
1752 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1753 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1755 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1757 * Makefile.in (sched.o): Depend on recog.h.
1759 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1760 (unsigned) when comparing against one.
1761 (find_base_value): Likewise.
1762 (record_base_value): Cast variable `regno' to (unsigned) when
1763 comparing against one. Cast the result of REGNO() macro to
1764 (unsigned) when comparing against one.
1765 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1767 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1768 variable where an unsigned index is needed.
1770 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1771 before comparing against one.
1773 * collect2.c: Add prototypes for functions `error', `fatal' and
1774 `fatal_perror'. Make these functions take variable arguments
1775 instead of faking it with a fixed number of args.
1776 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1779 * combine.c (can_combine_p): Mark parameter `pred' with
1781 (find_split_point): Cast variable `src' to (unsigned
1782 HOST_WIDE_INT) when comparing against one.
1783 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1784 (simplify_logical): Likewise.
1785 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1786 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1787 HOST_WIDE_INT) in shift.
1788 (simplify_and_const_int): Cast result of INTVAL() macro to
1789 `unsigned HOST_WIDE_INT' when comparing against one.
1790 (merge_outer_ops): Cast variable const0 to `unsigned
1791 HOST_WIDE_INT' when comparing against the result of
1792 GET_MODE_MASK() macro.
1793 (simplify_comparison): Likewise for variable `c0'. Cast variable
1794 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1795 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1796 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1797 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1798 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1799 comparing against one.
1800 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1802 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1803 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1804 (output_block_move): Cast `sizeof' expression to (int) when
1805 comparing against one.
1806 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1808 (save_restore_insns): Cast `base_offset' to `long' to match format
1809 specifier in fprintf.
1811 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1812 to `enum machine_mode'.
1814 * flow.c (life_analysis_1): Remove unused variable `insn'.
1816 * gcc.c (translate_options): Move variables `j' and `k' into the
1817 scope in which they are used. Change their types to `size_t'.
1818 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1819 (read_specs): Likewise.
1820 (process_command): Cast `sizeof' to (int) when comparing against one.
1821 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1822 (handle_braces): Cast both sides of `==' expression to `long' to
1823 ensure sign matching.
1824 (main): Cast variable `i' to `int' when comparing against one.
1826 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1827 int to size_t. Cast variable `i' to size_t when comparing against
1830 * genattrtab.c (convert_set_attr_alternative): Remove unused
1831 parameter `insn_code'. All callers changed.
1832 (convert_set_attr): Likewise.
1834 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1835 size_t when comparing against one. Likewise for variable `len'.
1837 * global.c (global_alloc): Cast variable `max_regno' to size_t
1838 when comparing against one. Likewise for variable `max_allocno'.
1840 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1842 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1843 `set' with ATTRIBUTE_UNUSED.
1844 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1847 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1848 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1849 (get_condition): Cast variable `const_val' to `unsigned
1850 HOST_WIDE_INT' when comparing against one. Cast unsigned
1851 expression to HOST_WIDE_INT when comparing against one.
1852 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1853 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1854 `unsigned' when comparing against one.
1856 * protoize.c (is_id_char): Change type of parameter `ch' to
1858 (munge_compile_params): Cast argument of ctype macro to (const
1860 (process_aux_info_file): Cast variable `aux_info_size' to int when
1861 comparing against one.
1862 (forward_to_next_token_char): Cast argument of ctype macro to
1863 `const unsigned char'.
1864 (edit_formals_lists): Likewise.
1865 (find_rightmost_formals_list): Likewise.
1866 (add_local_decl): Likewise.
1867 (add_global_decls): Likewise.
1868 (edit_fn_definition): Likewise.
1869 (do_cleaning): Likewise.
1870 (scan_for_missed_items): Likewise.
1871 (edit_file): Cast variable `orig_size' to (int) when comparing
1873 (main): Cast argument of ctype macro to `const unsigned char'.
1875 * recog.c (const_int_operand): Mark parameter `mode' with
1878 * regclass.c (record_reg_classes): Change type of variable `c' to
1879 `unsigned char'. Cast `char' array index to `unsigned char'.
1881 * reload.c (push_secondary_reload): Cast argument to
1882 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
1884 * reload1.c (calculate_needs): Cast `char' array index to
1886 (set_label_offsets): Change type of variable `i' to unsigned int.
1887 Cast result of XVECLEN() macro to unsigned when comparing against
1889 (mark_not_eliminable): Change type of variable `i' to unsigned.
1890 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
1891 when comparing against one.
1892 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
1893 comparing against one.
1894 (choose_reload_regs): Hide unused label `fail'.
1895 (reload_cse_simplify_operands): Cast `char' array index to
1897 (reload_combine_note_store): Mark parameter `set' with
1898 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
1900 (reload_cse_move2add): Remove unused variable `src2'.
1902 * sched.c: Include recog.h.
1903 (sched_note_set): Remove unused parameter `b'. All callers
1905 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
1906 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
1907 when comparing against one.
1909 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
1910 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
1911 comparing against one.
1913 * unroll.c (precondition_loop_p): Remove unused parameter
1914 `loop_end'. All callers changed.
1916 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1918 * reload1.c (maybe_fix_stack_asms): New static function.
1921 * reload.h (compute_use_by_pseudos): Declare.
1923 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
1924 (something_needs_reloads): Delete variable.
1925 (finish_spills): New function.
1926 (compute_use_by_pseudos): New function.
1928 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
1929 Use the reload_insn_chain instead of walking the rtl directly.
1931 (reload): Allocate and free spilled_pseudos.
1932 Ensure that all calls of spill_hard_reg are followed by a call to
1934 Use the insns_need_reload list instead of something_needs_reloads
1935 to find out if reload_as_needed must be called.
1936 Clear unused_insn_chains at the end.
1938 (calculate_needs_all_insns): Lose FIRST parameter. All callers
1940 Delete code to keep track of current basic block.
1941 Walk reload_insn_chain instead of the rtl structure. Build the
1942 insns_need_reload chain.
1943 Remember which insns need reloading/elimination by setting the
1944 appropriate fields in struct insn_chain, not by putting modes on the
1947 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
1948 arg INSN. All callers changed.
1949 Delete declaration of struct needs.
1950 Don't set something_needs_reloads.
1951 Record insn needs in the CHAIN argument.
1953 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
1955 (reload_as_needed): Lose FIRST arg. All callers changed.
1956 Walk the reload_insn_chain instead of the rtx structure.
1957 Delete code to keep track of current basic block.
1958 Rename one of the NEXT variables to OLD_NEXT.
1960 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
1962 (choose_reload_regs): Likewise.
1964 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
1967 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
1968 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
1969 (hard_regs_live, hard_regs_need_restore): Delete variables.
1970 (n_regs_saved): Now static.
1971 (referenced_regs, this_insn_sets): New variables.
1973 (setup_save_areas): Restructure the code a bit.
1975 (restore_referenced_regs): Delete function.
1976 (mark_referenced_regs): New function, similar to the old
1977 restore_referenced_regs, but mark registers in referenced_regs.
1979 (clear_reg_live): Delete function.
1980 (mark_set_regs): Renamed from set_reg_live. All callers changed.
1981 Only mark registers in this_insn_sets.
1983 (save_call_clobbered_regs): Rework this function to walk the
1984 reload_insn_chain instead of using the list of instructions directly.
1985 Delete code to keep track of register lives, compute live regs on the
1986 fly from information in the chain.
1987 Instead of calling restore_referenced_regs, use mark_referenced_regs,
1988 then walk the set it computes and call insert_restore as appropriate.
1990 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
1992 Restructure the code a bit. Test hard_regs_saved instead of
1993 hard_regs_need_restore.
1994 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
1995 args. All callers changed.
1996 Restructure the code a bit. Use TO_SAVE to determine which regs to
1997 save instead of more complicated test.
1998 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
2000 Create a new insn_chain structure for the new insn and place it
2003 * rtl.texi: Update documentation to reflect that reload no longer
2004 puts modes on the insns.
2006 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2008 * function.c (purge_addressof_1): Force the first argument of a
2009 CALL insn to memory.
2011 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
2013 * rtl.h: Delete duplicate prototypes. Add some missing
2015 * rtlanal.c: (for_each_rtx): Formatting tweak.
2017 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2019 * real.c (emdnorm and etoasc): Disable round to even for c4x target
2020 to be compatible with TI compiler.
2022 * Makefile.in (USER_H): Add va-c4x.h to definition.
2024 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
2026 * function.c (purge_addressof_1): Fix typo in inequality: do
2027 bitfield optimization for equal mode sizes.
2028 * expmed.c (store_bit_field): Don't take subregs of subregs in
2029 the movstrict case. Tidy a potential problem in the multi-word case.
2030 (extract_bit_field): Likewise.
2032 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2034 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
2036 Compute max_uid_for_flow by calling get_max_uid after the scan.
2037 (find_basic_blocks_1): Don't emit NOPs here.
2039 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
2041 * alias.c (base_alias_check): Accept new args for the modes of the
2042 two references. Use them to determine if an AND can overlap. Update
2044 (memrefs_conflict_p): Assume sizes are aligned, and uses them
2045 to determine if an AND can overlap.
2047 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
2049 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
2050 check. Add comment to document problems with TARGET_SUN_FPA version
2052 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
2054 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2056 * Makefile.in (gencheck.o): Depend on gansidecl.h.
2058 * c-common.c (print_char_table): Add missing initializers.
2059 (scan_char_table): Likewise.
2060 (time_char_table): Likewise.
2062 * c-decl.c (c_decode_option): Mark parameter `argc' with
2064 (declare_parm_level): Mark parameter `definition_flag' with
2067 * c-lex.c (readescape): Use `(unsigned)1' in shift.
2068 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
2071 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
2073 (emit_call_1): Mark parameters `fndecl' and `funtype' with
2075 (expand_call): Cast result of MIN() to (unsigned int) when
2076 comparing against an unsigned value.
2078 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
2080 (make_definition): Remove unused parameter `op'. All callers
2082 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
2083 comparing against the result of pointer arithmetic.
2085 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
2086 when comparing against one.
2088 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
2089 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
2091 (output_die): Move variable `i' into the scope in which it is
2092 used. Change its type to `unsigned'.
2093 (output_die): Cast the result of `strlen' to (int) when passing it
2094 to ASM_OUTPUT_ASCII().
2095 (output_pubnames): Likewise.
2096 (output_line_info): Likewise.
2098 * emit-rtl.c (global_rtl): Add missing initializers.
2100 * explow.c (promote_mode): Mark parameter `for_call' with
2103 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
2104 `unsigned HOST_WIDE_INT' when comparing against one.
2105 (synth_mult): Change type of variable `cost' to int.
2106 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
2108 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
2109 when comparing against one.
2110 (get_inner_reference): Change variable `alignment' to unsigned.
2111 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
2112 int) when comparing against one.
2113 (expand_builtin_setjmp): Change type of variable `i' to size_t.
2115 * fold-const.c (div_and_round_double): Cast BASE to
2116 (HOST_WIDE_INT) when comparing against one.
2118 * gencheck.c: Include gansidecl.h.
2119 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
2121 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
2122 `tcode' with ATTRIBUTE_UNUSED.
2124 * real.c (edivm): Cast constant value to (unsigned long) in
2125 expression compared against an unsigned value.
2127 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
2128 comparing against one.
2129 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
2130 when comparing against one.
2132 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
2133 (unsigned int) when comparing against one. Likewise for
2135 (smallest_mode_for_size): Likewise.
2136 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
2137 (restore_storage_status): Likewise.
2139 * toplev.c (debug_args): Add missing initializer.
2140 (f_options): Spelling correction. Add missing initializers.
2141 (documented_lang_options): Likewise.
2142 (debug_end_source_file): Mark parameter `lineno' with
2145 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
2146 `decl' and `type' with ATTRIBUTE_UNUSED.
2148 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
2149 when comparing against one.
2150 (assemble_variable): Mark parameter `top_level' with
2152 (assemble_external_libcall): Mark parameter `fun' with
2154 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
2157 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
2159 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
2160 Replace use of r5 with use of r19.
2162 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
2164 * config/v850/v850.c (compute_register_save_size): Allow for the
2165 fact that helper functions save all registers, not just those used
2168 Replace constant 31 with macro LINK_POINTER_REGNUM.
2170 * config/v850/v850.md: Use 'indirect_operand' rather than
2171 'memory_operand' for bit test/set/clear patterns.
2173 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
2175 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
2176 * varasm.c (assemble_start_function et al): Don't call
2177 ASM_GLOBALIZE_LABEL for weak symbols.
2179 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
2181 * cse.c (equiv_constant): Check for NULL return from
2182 gen_lowpart_if_possible().
2184 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
2186 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
2188 * collect2.c (main): Pass -EL/-EB through to the compiler.
2190 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2192 * expr.c (push_block): Handle targets where the stack grows
2193 to higher addresses, but args grow to lower addresses and
2194 ACCUMULATE_OUTGOING_ARGS is not defined.
2196 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
2198 * config/v850/v850.c (print_operand): Extend meaning
2199 of 'c' operands to support .vtinherit.
2201 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2203 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
2204 Added ATTRIBUTE_UNUSED to unused function arguments.
2205 (rc_reg_operand): New predicate.
2206 (c4x_rptb_insert): New function.
2207 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
2208 (c4x_optimization_options): New function.
2210 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
2211 (decrement_and_branch_on_count): New pattern.
2212 (rptb_top): Modified pattern to work with BCT optimization.
2214 * config/c4x/c4x.h (RC_REG): New register class.
2215 (rc_reg_operand): Define prototype.
2216 (IS_RC_REG): New macro.
2217 (IS_RC_OR_PSEUDO_REG): New macro.
2218 (IS_RC_OR_PSEUDO_REGNO): New macro.
2219 (OPTIMIZATION_OPTIONS): Define.
2221 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2223 * collect2.c (extract_init_priority): No priority is 65535.
2225 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2227 * Makefile.in (build_tooldir): new variable, same as old
2228 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2229 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2230 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2232 * configure.in (gxx_include_dir): set default based on unlibsubdir
2233 * Makefile.in (tooldir): ditto
2234 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2235 gxx_include_dir, includedir and tooldir
2236 (protoize.o, unprotoize.o): ditto
2238 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2240 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2242 * config/arm/thumb.c (thumb_override_options): Add warning about
2243 PIC code not being supported just yet.
2245 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2247 * flow.c: Update comment.
2248 (notice_stack_pointer_modification): New static function.
2249 (record_volatile_insns): Use it.
2250 (mark_regs_live_at_end): Mark the stack pointer as alive
2251 at the end of the function if current_function_sp_is_unchanging
2253 (life_analysis_1): Set current_function_sp_is_unchanging.
2254 * function.c: Define it.
2255 (init_function_start): Initialize it.
2256 * output.h: Declare it.
2257 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2258 the stack pointer as alive at the end of the function if
2259 current_function_sp_is_unchanging is set.
2260 * i386.c (ix86_epilogue): Optimize the restoring
2261 of the stack pointer.
2263 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2265 * version.c: Bump for snapshot.
2267 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2269 * c-pragma.c (handle_pragma_token): If passed a token instead
2270 of a tree, use that as the pack value.
2272 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2274 * flow.c (find_basic_blocks_1): Fix prototype.
2276 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2278 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2279 (struct tree_decl): New fields no_check_memory_usage.
2280 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2281 (init_attributes): Register it as a new attribute.
2282 (decl_attributes): Set flags on functions given that attribute.
2283 * c-decl.c (duplicate_decls): Merge new attribute.
2284 * expr.h (current_function_check_memory_usage): Declare new var.
2285 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2286 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2287 current_function_check_memory_usage.
2288 * function.h: Add field to struct function.
2289 * function.c (current_function_check_memory_usage): Define it.
2290 (push_function_context_to, pop_function_context_from): Save and
2292 (expand_function_start): Set it, based on global flag and function
2295 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2296 check non-automatic variables, to permit detection of writes to
2297 read-only locations in embedded systems without memory management.
2298 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2299 when emitting chkr_set_right_libfunc call, even if the argument is
2300 BLKmode or variable-sized; don't abort.
2302 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2303 symbols in Pmode, not VOIDmode.
2305 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2307 * cppexp.c: When forcing unsigned comparisons, cast both sides
2310 * cpphash.h: Move static declaration of hashtab[]...
2311 * cpphash.c: ...here.
2313 * cpplib.c: Cast difference of two pointers to size_t before
2314 comparing it to size_t. Cast signed to unsigned
2315 before comparing to size_t. (FIXME: struct argdata should use
2316 unsigned buffer sizes.)
2317 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2318 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2319 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2320 size_t before comparison.
2322 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2324 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2325 (find_basic_blocks_1): Similarly.
2326 * output.h (find_basic_blocks): Fix prototype.
2327 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2328 find_basic_blocks anymore.
2330 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2332 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2333 (sbitmap_free, sbitmap_vector_free): New macros.
2334 * output.h (rtl_dump_file): Declare.
2336 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2338 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2340 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2342 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2344 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2345 (divide): Remove unused variable `tmp'.
2346 (si_to_float): Cast numeric constant to (SItype) before comparing
2349 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2351 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2352 * gcc.c (add_preprocessor_option): Correct typo when allocating
2353 memory, sizeof() argument had one too many `*'.
2354 (add_assembler_option): Likewise.
2355 (add_linker_option): Likewise.
2356 * gcov.c (output_data): Likewise.
2357 * local-alloc.c (memref_used_between_p): Likewise.
2358 (update_equiv_regs): Likewise.
2359 * loop.c (strength_reduce): Likewise.
2360 * reg-stack.c (record_asm_reg_life): Likewise.
2361 (subst_asm_stack_reg): Likewise.
2362 * reorg.c (dbr_schedule): Likewise.
2364 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2366 * flow.c (life_analysis_1): Break out some functions.
2367 (find_basic_blocks_1): Likewise. Also move some variables out and
2369 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2370 new static var nonlocal_label_list with it.
2371 (active_eh_region, nested_eh_region, label_value_list,
2372 nonlocal_label_list): New static variables.
2373 (make_edges, delete_unreachable_blocks, delete_block): New static
2374 functions, broken out of find_basic_blocks_1.
2375 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2376 noop_move_p): New static functions, broken out of life_analysis_1.
2378 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2380 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2381 Take extra care for op0 now possibly being a subreg.
2382 (extract_bit_field): Likewise.
2383 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2384 the reg to memory if there is no equal sized integral mode.
2385 * stor-layout.c (int_mode_for_mode): New function.
2386 * machmode.h: Prototype it.
2388 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2390 * global.c (build_insn_chain): Verify no real insns exist past the
2391 end of the last basic block, then exit the loop.
2393 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2395 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2397 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2399 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2401 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2403 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2405 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2407 * flow.c (find_basic_blocks): Correctly determine when a call
2408 is within an exception region.
2410 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2412 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2414 * cpplib.h: Protect from multiple inclusions.
2415 * cpplib.c: Fix minor formatting problems.
2417 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2419 * jump.c (jump_optimize): Revert accidental patch.
2421 * Makefile.in (cpplib.o): Use unlibsubdir.
2423 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2425 * loop.c (get_condition): Allow combine when either compare is
2428 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2430 * version.c: Bump for snapshot.
2432 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2434 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2435 (init_lex): Initialize ridpointers[RID_BYREF].
2436 * c-lex.h (enum rid): Add RID_BYREF.
2437 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2438 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2439 (encode_type_qualifiers): Similarly
2440 * c-gperf.h: Rebuilt.
2442 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2444 * c-common.c (type_for_mode): Only return TItype nodes when
2445 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2446 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2447 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2448 (init_decl_processing): Only create TItype nodes when
2449 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2450 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2451 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2453 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2455 * stmt.c (n_occurrences): New static function.
2456 (expand_asm_operands): Verify that all constrains match in the
2457 number of alternatives.
2458 Verify that '+' or '=' are at the beginning of an output constraint.
2459 Don't allow '&' for input operands.
2460 Verify that '%' isn't written for the last operand.
2461 * reload.c (find_reloads): Abort if an asm is found with invalid
2462 constraints; all possible problems ought to be checked for earlier.
2464 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2466 * flags.h (flag_branch_on_count_reg): Always declare
2467 * toplev.c (flag_branch_on_count_reg): Likewise.
2468 * toplev.c: Fix typos.
2470 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2473 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2475 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2477 (find_basic_blocks_1): Add a nop to the end of a basic block when
2478 a trailing call insn does not have abnormal control flow.
2479 * gcse.c (pre_transpout): New variable.
2480 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2481 (compute_pre_transpout): Calculate it.
2482 (compute_pre_ppinout): Use it to eliminate impossible placements
2483 due to abnormal control flow through calls.
2484 (compute_pre_data): Call compute_pre_transpout.
2486 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2488 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2490 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2492 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2493 and matching define_insns): Tack on a `use' of the table label, so
2494 flow analysis will recognize a tablejump.
2496 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2498 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2499 always end basic blocks for abnormal edge reasons.
2501 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2503 * config/i386/i386.h: Remove definition of
2504 HANDLE_PRAGMA_PACK_PUSH_POP.
2506 * config/i386/go32.h: Add definition of
2507 HANDLE_PRAGMA_PACK_PUSH_POP.
2509 * config/i386/win32.h: Add definition of
2510 HANDLE_PRAGMA_PACK_PUSH_POP.
2512 * config/i386/cygwin32.h: Add definition of
2513 HANDLE_PRAGMA_PACK_PUSH_POP.
2515 * c-pragma.c (insert_pack_attributes): Do not insert
2516 attributes unless #pragma pack(push,<n>) is in effect.
2518 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2520 * expr.c (emit_group_store): Handle a PARALLEL destination.
2522 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2524 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2525 the new insns before the argument regs are loaded.
2527 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2529 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2530 (c-parse.gperf): Update comments describing invocation flags.
2531 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2533 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2535 * reload1.c (reload): Call free before clobbering the memory
2536 locations or constants pointers.
2538 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2540 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2541 for efficiency by checking whether we need to modify the current
2542 stack permission at all.
2543 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2544 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2545 __enable_execute_stack libcall here too if
2546 TRANSFER_FROM_TRAMPOLINE is defined.
2547 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2550 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2552 * Makefile.in (DRIVER_DEFINES): Remove last change.
2554 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2556 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2557 insns we're going to copy.
2558 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2560 * loop.c (count_one_set): Add prototype.
2562 * caller-save.c (restore_referenced_regs): Lose mode argument.
2563 (insert_save): Lose mode argument.
2564 (insert_restore): Lose mode argument.
2565 (insert_one_insn): Lose mode argument.
2566 (save_call_clobbered_regs): Lose mode argument.
2567 (setup_save_areas): Take no argument and return void. All callers
2569 Don't verify validity of memory addresses.
2570 * reload.h (setup_save_ares): Adjust prototype.
2571 (save_call_clobbered_regs): Likewise.
2572 * reload1.c (delete_caller_save_insns): New function.
2573 (caller_save_spill_class): Delete variable.
2574 (caller_save_group_size): Delete variable.
2575 (reload): Call setup_save_areas and save_call_clobbered_regs
2576 in the main loop, before calling calculate_needs_all_insns.
2577 Don't call save_call_clobbered_regs after the loop.
2578 Call delete_caller_save_insns at the end of an iteration if
2580 Delete code to manage caller_save_spill_class.
2581 Emit the final note before setting reload_first_uid.
2582 Simplify test that determines whether reload_as_needed gets run.
2583 (calculate_needs): Delete code to manage caller_save_spill_class.
2585 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2587 * collect2.c (main): Initialize ld_file_name.
2589 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2591 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2592 check for flag_function_sections.
2594 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2596 * cse.c (insert_regs): Fix bug in Sep 24 change.
2598 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2600 * flags.h (flag_dump_unnumbered): Declare.
2601 * toplev.c (flag_dump_unnumbered): Don't declare.
2602 * print-rtl.c (flags.h): Include.
2603 (print_rtl_single): Add return value.
2604 * rtl.h (print_rtl_single): Update declaration.
2605 * flow.c (flag_dump_unnumbered): Don't declare.
2606 (print_rtl_with_bb): Use return value of print_rtl_single.
2608 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2610 * loop.c (count_one_set): New static function, broken out of
2612 (count_loop_regs_set): Call it.
2613 * global.c (mark_reg_store): Handle clobbers here by not calling
2615 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2616 is in fact a clobber.
2617 * integrate.c (process_reg_param): New function, broken out of
2618 expand_inline_function.
2619 (expand_inline_function): Call it.
2622 * i386.md (addsidi3_1): Delete unused variable temp.
2623 (addsidi3_2): Likewise.
2624 (clstrstrsi): Delete unused variable addr1.
2626 * rtl.h: Don't declare any functions also declared in recog.h.
2628 * Makefile.in (stupid.o): Update dependencies.
2629 (global.o): Likewise.
2631 * global.c: Include reload.h
2632 (reg_becomes_live): New function.
2633 (reg_dies): New function.
2634 (build_insn_chain): New function.
2635 (global_alloc): Call build_insn_chain before calling reload.
2637 * reload.h (struct needs): New structure definition.
2638 (struct insn_chain): Likewise.
2639 (reload_insn_chain): Declare variable.
2640 (new_insn_chain): Declare function.
2643 * reload1.c (reload_startobj): New variable.
2644 (reload_insn_chain): New variable.
2645 (unused_insn_chains): New variable.
2646 (new_insn_chain): New function.
2647 (init_reload): Initialize reload_startobj, not reload_firstobj.
2648 (reload): Initialize reload_firstobj.
2649 Before returning, free everything on the reload_obstack.
2651 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2652 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2653 current_chain): New variables.
2654 (reg_where_born): Delete variable.
2655 (REG_WHERE_BORN): New macro.
2656 (find_clobbered_regs): New function.
2657 (stupid_life_analysis): Don't allocate/free reg_where_born.
2658 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2659 reg_where_dead_chain.
2660 Use REG_WHERE_BORN instead of reg_where_born.
2661 While processing the insns, build the reload_insn_chain with
2662 information about register lifetimes.
2663 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2664 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2666 Compute and information about birth and death of pseudo registers in
2667 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2668 Delete code to set elements of reg_where_born.
2670 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2672 * tree.def (GOTO_EXPR): Modified documentation.
2673 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2676 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2678 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2679 loop_final_value, loop_comparison_code): No longer static.
2680 (unroll_loop): Delete loop_start_value update.
2681 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2682 loop_final_value, loop_comparison_code): Extern.
2683 (loop_start_value): Delete extern.
2684 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2685 loop_comparison_value, loop_comparison_code): Delete.
2686 (loop_optimize): Remove initialization for deleted variables.
2687 (strength_reduce): Delete analyze_loop_iterations call. Only call
2688 insert_bct if flag_branch_count_on_reg set.
2689 (analyze_loop_iterations): Delete.
2690 (insert_bct): Remove iteration count calculation. Move checks for
2691 viable BCT optimization to here. Obtain iteration count from
2692 loop_iterations and correct for unrolling. Check for enough
2693 iteration to be beneficial. Comment out runtime iteration count
2695 (insert_bct): Print iteration count in dump file. Remove
2696 loop_var_mode and use word_mode directly.
2698 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2699 * rs6000.c (rs6000_override_options): Use it.
2700 (optimization_options): Enable use of flag_branch_on_count_reg.
2701 * rs6000.md (define_function_unit): Describe 604e.
2703 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2705 * loop.c (move_movables): Corrected threshold calculation for
2706 moved_once registers.
2708 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2710 * loop.c (combine_givs_p): Fix test for identical givs.
2712 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2714 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2715 call abort if the function is already defined.
2717 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2719 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2720 truncation is not a no-op.
2722 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2724 * version.c: Bump for snapshot.
2726 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2728 * version.c: Bump for snapshot.
2730 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2732 * expmed.c (expand_divmod): Don't widen for computing remainder
2733 if we seem to have a divmod pattern for needed mode.
2735 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2737 * cpplib.c (macroexpand): Correct off-by-one error in handling
2740 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2742 * combine.c (expand_field_assignment): Don't do bitwise operations
2743 on MODE_FLOAT; pun to MODE_INT if possible.
2745 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2746 scott snyder <snyder@d0sgif.fnal.gov>
2748 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2749 linker. Recognize mangled names in quotes.
2751 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2753 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2754 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2755 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2756 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2758 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2760 * function.c (purge_addressof_1): If trying to take a sub-word
2761 integral piece of a floating point mode, put it on the stack.
2763 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2765 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2767 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2769 * PROJECTS: Remove template friends.
2771 * collect2.c (sort_ids): Remove unused variable.
2773 * tm.texi (MATH_LIBRARY): Document.
2774 (NEED_MATH_LIBRARY): Remove.
2776 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2777 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2779 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2781 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2782 last_end to 0x7fffffff.
2784 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2786 * function.c (purge_addressof_1): Do not perform endianness
2787 corrections on bitpos, who we call will do it for us.
2789 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2791 * h8300.c (WORD_REG_USED): Fix typo.
2792 (initial_offset): Use WORD_REG_USED.
2794 * h8300.c (handle_pragma): Fix typo.
2796 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2798 * caller-save.c (insert_save_restore): Break this function up
2799 into new functions insert_restore, insert_save and insert_one_insn.
2800 All callers changed.
2801 (insert_restore): New function, mostly broken out of
2802 insert_save_restore.
2803 (insert_save): Likewise.
2804 (insert_one_insn): Likewise.
2805 (restore_referenced_regs): New argument BLOCK. All callers changed.
2806 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2807 in this function, do it in insert_one_insn instead.
2809 * reload1.c (reload): Break out some more pieces into separate
2811 (dump_needs): New function, broken out of reload.
2812 (set_initial_elim_offsets): Likewise.
2813 (init_elim_table): Likewise.
2814 (update_eliminables): Likewise.
2816 * global.c (global_alloc): Delete code to manage the scratch_list.
2817 * local-alloc.c (qty_scratch_rtx): Delete.
2818 (scratch_block): Delete.
2819 (scratch_list): Delete.
2820 (scratch_list_length): Delete.
2821 (scratch_index): Delete.
2822 (alloc_qty_for_scratch): Delete.
2823 (local-alloc): Update initialization of max_qty.
2824 Delete code to manage the scratch list.
2825 Delete code to allocate/initialize qty_scratch_rtx.
2826 (block_alloc): Don't allocate quantities for scratches.
2827 Delete code to manage the scratch list.
2828 * regs.h (scratch_list): Delete declaration.
2829 (scratch_block): Delete declaration.
2830 (scratch_list_length): Delete declaration.
2831 * reload1.c (reload): Delete code to manage the scratch list.
2832 (spill_hard_reg): Likewise.
2833 (mark_scratch_live): Delete.
2835 * recog.c (alter_subreg): Delete declaration.
2837 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2839 * Makefile.in (cccp.o): Fix typo in last patch.
2841 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2843 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2844 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2846 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2848 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2849 NULL_RTX as an argument.
2851 * Makefile.in (unlibsubdir): Define.
2852 (DRIVER_DEFINES): Use unlibsubdir.
2853 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2854 (stmp-fixinc): Similarly.
2856 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2858 * regmove.c (regmove_optimize): Add variable old_max_uid.
2859 At the end of the function, update basic_block_end.
2861 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2863 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2864 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2867 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2869 * config/arm/arm.c: Improve interworking support.
2871 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2873 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2874 copied from reload_out[r] .
2876 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2878 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2879 with more than three size ranges.
2881 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2883 * rtl.c (mode_name): Add a null string at the end of the array.
2884 (mode_wider_mode): Change type to unsigned char.
2885 (mode_mask_array): New variable.
2886 (init_rtl): Update for mode_wider_mode type change.
2888 * rtl.h (mode_wider_mode): Change type to unsigned char.
2889 (mode_mask_array): Declare.
2890 (GET_MODE_MASK): Use mode_mask_array.
2892 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
2894 * calls.c (expand_call) : Encapsulate code into
2895 copy_blkmode_from_reg.
2896 * expr.c (copy_blkmode_from_reg): New function.
2897 * expr.h (copy_blkmode_from_reg): New function.
2898 * integrate.c (function_cannot_inline_p): We can inline
2900 (expand_inline_function): Use copy_blkmode_from_reg
2901 if needed. Avoid creating BLKmode REGs.
2902 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
2905 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
2907 * config/v850/v850.c: Add function prototypes.
2908 Add support for v850 special data areas.
2910 * config/v850/v850.h: Add support for v850 special data areas.
2912 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
2913 HANDLE_PRAGMA_PACK_PUSH_POP.
2914 (push_alignment): New function: Cache an alignment requested
2915 by a #pragma pack(push,<n>).
2916 (pop_alignment): New function: Pop an alignment from the
2918 (insert_pack_attributes): New function: Generate __packed__
2919 and __aligned__ attributes for new decls whilst a #pragma pack
2921 (add_weak): New function: Cache a #pragma weak directive.
2922 (handle_pragma_token): Document calling conventions. Add
2923 support for #pragma pack(push,<n>) and #pragma pack (pop).
2925 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
2926 are defined enable HANDLE_PRAGMA_PACK.
2927 Move 'struct weak_syms' here (from varasm.c).
2928 Add pragma states for push and pop pragmas.
2930 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
2933 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
2934 HANDLE_GENERIC_PRAGMAS.
2936 * varasm.c: Move definition of 'struct weak_syms' into
2938 (handle_pragma_weak): Deleted.
2940 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2942 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2944 * c-decl.c (start_function): Add invocation of
2945 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
2947 * tm.texi: Remove description of non-existant macro
2948 SET_DEFAULT_SECTION_NAME.
2950 (HANDLE_SYSV_PRAGMA): Document.
2951 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
2953 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
2955 * config.sub: Recognize i[34567]86-pc-udk as new target.
2956 * configure.in: Likewise.
2957 * config/i386/t-udk: New file.
2958 * config/i386/udk.h: New file.
2960 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
2962 * reorg.c (check_annul_list_true_false): Remove unused variables.
2963 (steal_delay_list_from_target): Add missing "used_annul" variable.
2964 (try_merge_delay_insns): Close out half formed comment.
2966 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2968 * cpplib.c (macroexpand): If arg->raw_before or
2969 arg->raw_after, remove any no-reexpansion escape at the
2970 beginning of the pasted token. Correct handling of whitespace
2971 markers and no-reexpand markers at the end if arg->raw_after.
2973 * toplev.c (documented_lang_options): Recognize -include,
2974 -imacros, -iwithprefix, -iwithprefixbefore.
2975 * cpplib.c (cpp_start_read): Process -imacros and -include
2976 switches at the same time and in command-line order, after
2977 initializing the dependency-output code. Emit properly nested
2978 #line directives for them. Emit a #line for the main file
2979 before processing these switches, and don't do it again
2982 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
2984 * function.c (purge_addressof_1): Use bitfield manipulation
2985 routines to handle mem mode < reg mode.
2987 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2989 * reorg.c (try_merge_delay_insns): Account for resources referenced
2990 in each instruction in INSN's delay list before trying to eliminate
2991 useless instructions. Similarly when looking at a trial insn's delay
2994 * reorg.c (check_annul_list_true_false): New function.
2995 (steal_delay_list_from_{target,fallthrough}): Call it and also
2996 refine tests for when we may annul if already filled a slot.
2997 (fill_slots_from_thread): Likewise.
2998 (delete_from_delay_slot): Return newly-created thread.
2999 (try_merge_delay_isns): Use its new return value.
3001 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
3003 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
3004 used to compute a giv or as some other non-counting use.
3006 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3008 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3009 * local-alloc.c (find_free_reg): Use it.
3010 * global.c (find_reg): Likewise.
3011 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
3013 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
3014 * caller-save.c (init_caller_save): Use it.
3015 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
3017 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3019 * configure.in: Add --enable-cpplib option which uses cpplib
3020 for cpp, but doesn't link cpplib into cc1. Make help text
3021 capitalization consistent.
3022 * configure: Rebuilt.
3024 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
3026 * function.c (gen_mem_addressof): If the address REG is
3027 REG_USERVAR_P make the new REG be so also.
3028 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
3029 in an attempt to clarify slightly.
3031 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
3033 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
3034 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
3036 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
3038 * toplev.c: Fix last patch.
3040 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
3042 * loop.c (get_condition): Fix typo in May 9 change.
3044 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3046 * invoke.texi (-fexceptions): Merge 2 different descriptions.
3048 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3050 * toplev.c (documented_lang_options): Spelling corrections.
3052 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3054 * configure.in: new flags --with-ld and --with-as, equivalent
3055 to setting LD and AS environment variables. Test whether
3056 specified arguments are GNU commands, and report them with
3057 checking messages. Use the specified AS for configure
3060 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
3062 * gcc.c (find_a_file): when looking for `as' and `ld', return
3063 the DEFAULT program if it exists
3064 * collect2.c (main): use DEFAULT_LINKER if it exists
3066 * gcc.c (find_a_file): the test for existence of a full
3067 pathname was reversed
3069 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
3071 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
3072 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
3074 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
3076 * tree.h (TYPE_BINFO): Document.
3078 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
3080 * i386-coff.h (dbxcoff.h): Added.
3082 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
3084 * toplev.c: fix bad patch around flag_data_sections.
3086 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
3088 * reload1.c (reload): Use reload_address_index_reg_class and
3089 reload_address_base_reg_class when setting
3090 caller_save_spill_class. (Patch generated by Jim Wilson:
3093 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
3095 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
3096 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
3097 * expr.c (store_field): Add alias_set parameter. Set the
3098 MEM_ALIAS_SET accordingly, if the target is a MEM.
3099 (expand_assignment): Use it.
3100 (store_constructor_field): Pass 0.
3101 (expand_expr): Likewise.
3103 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
3105 * flags.h: Add flag_data_sections.
3106 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
3107 (compile_file): Error if flag_data_sections not supported.
3108 * varasm.c (assemble_variable): Handle flag_data_sections.
3109 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
3110 * config/mips/elf.h: Likewise.
3111 * config/mips/elf64.h: Likewise.
3112 * invoke.texi: Describe -fdata-sections.
3114 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
3116 * invoke.texi (-ffloat-store): Clarify that this option
3117 does not affect intermediate results -- only variables.
3119 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
3121 * cpp.texi: Update for Fortran usage from Craig.
3123 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3125 * rs6000.c (function_arg_boundary): Revert accidental change on
3128 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
3130 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
3131 (output_mi_thunk): Declare.
3133 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
3134 (output_function_profiler): Use r12 for temp, instead of r11 so
3135 that we preserve the static chain register.
3137 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
3139 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
3141 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3143 * sh.c (gen_shl_sext): Fix case 5.
3145 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3147 * reload1.c (reload_combine): Re-add line that got accidentally lost.
3149 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3151 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
3152 accessing variables until they are initialized via va_arg().
3154 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3156 * reload1.c (reload_combine): Initialize set before using.
3158 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
3160 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
3163 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
3165 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
3166 operand3 with mask before using it. Patch provided by Jim Wilson.
3168 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3170 * config/sparc/sparc.c (function_value): Perform the equivalent of
3171 PROMOTE_MODE for ARCH64.
3172 (eligible_for_epilogue_delay): Allow DImode operations in delay
3173 slot of a return for ARCH64.
3175 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3177 * sh.md (sqrtsf2): Fix mode of sqrt.
3179 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3181 * reload1.c (choose_reload_regs): Also try inheritance when
3182 reload_in is a stack slot of a pseudo, even if we already got a
3185 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3187 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
3188 (reload_cse_regs): New function body: call reload_cse_regs_1,
3189 reload_combine, reload_cse_move2add.
3190 When doing expensive_optimizations, call reload_cse_regs_1 a
3191 second time after reload_cse_move2add.
3192 (reload_combine, reload_combine_note_store): New functions.
3193 (reload_combine_note_use): New function.
3194 (reload_cse_move2add, move2add_note_store): New functions.
3196 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3198 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
3199 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
3201 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
3202 more than 3 such reloads.
3204 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
3205 RELOAD_FOR_X_ADDR_ADDR reload.
3207 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3209 * expr.c (store_constructor): When initializing a field that is smaller
3210 than a word, at the start of a word, try to widen it to a full word.
3212 * cse.c (cse_insn): When we are about to change a register,
3213 remove any invalid references to it.
3215 (remove_invalid_subreg_refs): New function.
3216 (mention_regs): Special treatment for SUBREGs.
3217 (insert_regs): Don't strip SUBREG for call to mention_regs.
3218 Check if reg_tick needs to be bumped up before that call.
3219 (lookup_as_function): Try to match known word_mode constants when
3220 looking for a norrower constant.
3221 (canon_hash): Special treatment for SUBREGs.
3223 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3225 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3226 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3227 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3228 and offsets in actual stack trampoline code so they match the
3229 commentary and actually work.
3231 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3233 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3235 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3236 tmake_file. Set extra_parts to needed crt objects.
3237 * configure: Rebuilt.
3238 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3239 (TARGET_DEFAULT): Set if default is v9 or ultra.
3240 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3241 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3242 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3243 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3244 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3245 (TARGET_VERSION): Define.
3246 (MULTILIB_DEFAULT): Define.
3247 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3248 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3249 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3251 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3252 * config/sparc/sparc.c (sparc_override_options): If arch and
3253 pointer size disagree, emit diagnostic and fix it up. If
3254 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3255 V8PLUS in 64-bit mode.
3256 * config/sparc/t-linux64: New file.
3257 * config/sparc/t-sol2-64: New file.
3258 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3259 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3260 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3261 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3262 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3263 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3265 (STARTFILE_SPEC): Set approriately based upon those.
3266 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3267 disposition of DEFAULT_ARCH32_P.
3268 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3269 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3270 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3271 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3272 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3274 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3276 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3278 * rtl.h (init_virtual_regs): New function.
3279 * emit-rtl.c (init_virtual_regs): Define.
3280 (insn_emit): Use it.
3281 * integrate.c (save_for_inline_copying): Likewise.
3283 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3285 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3286 (enum reg_class): Add NONARG_LO_REGS support.
3287 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3288 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3289 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3290 completes. Re-enable HImode REG+OFFSET addresses.
3291 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3293 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3295 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3297 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3298 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3299 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3301 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3303 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3304 jumps as a single entity, taking into account the size of the
3307 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3309 * tree.def (SWITCH_EXPR): New tree node definition.
3311 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3313 * version.c: Bump for snapshot.
3315 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3317 * version.c: Bump for snapshot.
3319 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3321 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3324 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3326 * Revert this patch.
3327 * reload.c (find_reloads): Do not replace a pseudo with
3328 (MEM (reg_equiv_addr)) in the initializing insn for the
3331 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3333 * final.c (final_scan_insn): Disable tracking CC across branches.
3335 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3337 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3338 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3339 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3340 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3341 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3343 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3345 * toplev.c (rest_of_compilation): Skip compiling anything with
3346 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3348 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3350 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3351 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3352 use in_libcall_block.
3353 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3354 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3357 Mon Sep 21 14:02:23 1998
3359 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3360 typo in no-fancy-math-387 description.
3362 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3364 * version.c: Bump for snapshot.
3366 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3368 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3370 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3372 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3373 documented in install.texi.
3374 (TARGET_OPTIONS) Likewise.
3376 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3378 * version.c: Bump for snapshot.
3380 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3382 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3383 * cccp.c (main): Likewise.
3385 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3386 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3389 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3391 * Makefile.in (LIBS): Link in libiberty.a.
3392 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3394 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3396 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3397 it to update bb boundaries. Update caller.
3398 * function.c (reposition_prologue_and_epilogue_notes): Update
3399 bb boundaries wrt the moved note.
3401 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3403 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3405 * configure: Regenerate.
3407 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3409 * alpha.c (alpha_sr_alias_set): New variable.
3410 (override_options): Set it.
3411 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3412 (mode_mask_operand): Fix signed-unsigned comparision warning.
3413 (alpha_expand_block_move): Likewise.
3414 (print_operand): Likewise.
3415 (get_aligned_mem): Use change_address.
3416 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3417 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3418 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3419 (alpha_align_insns): Remade from old alphaev5_align_insns
3420 to handle multiple processors.
3421 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3422 * output.h (label_to_alignment): Prototype.
3424 * tree.c (new_alias_set): New function.
3425 * tree.h (new_alias_set): Declare it.
3426 * c-common.c (c_get_alias_set): Use it.
3428 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3430 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3431 to an ABS expr, convert an unsigned input to signed.
3433 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3435 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3437 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3439 * configure.in: Add support for c4x targets.
3440 * configure: Rebuilt.
3442 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3444 * combine.c (distribute_notes): If an insn is a cc0 user, only
3445 delete it if we can also delete the cc0 setter.
3447 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3449 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3450 (invert_truthvalue): Enable truthvalue inversion for
3451 floating-point operands if -ffast-math.
3453 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3455 * configure.in: Disable collect2 for nextstep. Instead use
3457 * configure: Rebuilt.
3458 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3459 (ENDFILE_SPEC): Define.
3460 (OBJECT_FORMAT_MACHO): Define.
3461 (EH_FRAME_SECTION_ASM_OP): Define.
3462 * crtstuff.c: Handle MACHO.
3464 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3466 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3468 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3470 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3471 (_fpadd_parts): Get sign right for 0.
3473 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3475 * ginclude/varargs.h: Add support for C4x target.
3476 * ginclude/stdargs.h: Likewise.
3478 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3480 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3481 (alpha_emit_set_long_const): Rewrite to be callable from reload
3483 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3484 * alpha.md (movdi): Likewise.
3486 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3488 * arm.c (add_constant): New parameter address_only, change caller.
3489 Set it non-zero if taking the address of an item in the pool.
3490 (arm_reorg): Handle cases where we need the address of an item in
3493 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3495 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3496 memory addresses that are not in standard canonical form.
3498 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3500 * README.C4X: New file with information about the c4x ports.
3501 * ginclude/va-c4x.h: New file for c4x varargs support.
3502 * config/c4x: New directory with c4x port files.
3504 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3506 * reload.c (find_reloads): Do not replace a pseudo with
3507 (MEM (reg_equiv_addr)) in the initializing insn for the
3510 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3512 * toplev.c (rest_of_compilation): Set bct_p on second call to
3514 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3516 (strength_reduce): Only call analyze_loop_iterations and
3517 insert_bct if bct_p set.
3518 (check_dbra_loop): Fix typo.
3519 (insert_bct): Use word_mode instead of SImode.
3520 (instrument_loop_bct): Likewise. Do not delete iteration count
3521 condition code generation insn. Initialize iteration count before
3523 * rtl.h (loop_optimize): Update prototype.
3525 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3526 not doubleword aligned.
3528 * rs6000.c (optimization_options): New function.
3529 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3530 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3531 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3532 first; cr1 can be used for FP record condition insns.
3534 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3536 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3539 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3542 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3544 (block_move_call): New function: Call a library routine to copy a
3546 (m32r_expand_block_move): New function: Expand a "movstrsi"
3547 pattern into a sequence of insns.
3548 (m32r_output_block_move): New function: Expand a
3549 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3550 (m32r_block_immediate_operand): New function: Return true if the
3551 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3553 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3555 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3557 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3559 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3561 * regmove.c (copy_src_to_dest): Check that modes match.
3563 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3565 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3567 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3569 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3570 narrower than FLOAT_REGS.
3572 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3574 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3576 * Makefile.in (old_gxx_include_dir): removed
3578 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3580 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3583 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3584 (sh_handle_pragma): Change function arguments to match new
3585 specification for HANDLE_PRAGMA.
3587 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3589 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3591 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3592 When generating output, initialize missing struct member to zero.
3594 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3596 * regmove.c (copy_src_to_dest): Don't copy if that requires
3597 (a) new register(s).
3599 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3601 * global.c (reg_allocno): Now static.
3602 * reload1.c (reg_allocno): Delete declaration.
3603 (order_regs_for_reload): Take no arguments. Don't treat regs
3604 allocated by global differently than those allocated by local-alloc.
3606 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3608 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3609 condition, fix format strings.
3610 (output_function_epilogue): Likewise.
3612 * m68k/m68k.c: Don't include <stdlib.h> directly.
3614 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3616 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3617 mem_first_set, mem_last_set; because 0 can be a CUID.
3618 (oprs_unchanged_p): Use new definition.
3619 (record_last_reg_set_info): Likewise.
3620 (record_last_mem_set_info): Likewise.
3621 (compute_hash_table): Likewise.
3623 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3625 * rs6000.c (output_epilogue): Handle Chill.
3627 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3628 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3630 * combine.c (make_extraction): If no mode is specified for
3631 an operand of insv, extv, or extzv, default it to word_mode.
3632 (simplify_comparison): Similarly.
3633 * expmed.c (store_bit_field): Similarly.
3634 (extract_bit_field): Similarly.
3635 * function.c (fixup_var_regs_1): Similarly.
3636 * recog.c (validate_replace_rtx_1): Similarly.
3637 * mips.md (extv, extzv, insv expanders): Default modes for most
3638 operands. Handle TARGET_64BIT.
3639 (movdi_uld, movdi_usd): New patterns.
3641 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3642 equivalent memory location unless we have been provided a scratch
3643 register. Similarly do not call find_replacement unless a
3644 scratch register has been provided.
3646 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3648 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3651 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3653 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3654 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3655 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3656 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3657 * c-decl.c (init_decl_processing): Update accordingly.
3658 * expr.c (expand_builtin): Likewise.
3660 * rtl.h (global_rtl): Add cfa entry.
3661 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3662 (LAST_VIRTUAL_REGISTER): Update.
3663 * emit-rtl.c (global_rtl): Add cfa entry.
3664 (init_emit): Initialize it.
3665 * function.c (cfa_offset): New.
3666 (instantiate_virtual_regs): Initialize it.
3667 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3668 (expand_function_end): Call expand_eh_return.
3669 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3671 * except.c (current_function_eh_stub_label): Kill.
3672 (current_function_eh_old_stub_label): Likwise; update all references.
3673 (expand_builtin_set_return_addr_reg): Kill.
3674 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3675 (expand_builtin_set_eh_regs): Kill.
3676 (eh_regs): Produce a third reg for the actual handler address.
3677 (eh_return_context, eh_return_stack_adjust): New.
3678 (eh_return_handler, eh_return_stub_label): New.
3679 (init_eh_for_function): Initialize them.
3680 (expand_builtin_eh_return, expand_eh_return): New.
3681 * except.h: Update prototypes.
3682 * flow.c (find_basic_blocks_1): Update references to the stub label.
3683 * function.h (struct function): Kill stub label elements.
3685 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3686 register number is one that would be in the previous window.
3687 Provide a dummy definition for non-windowed targets.
3688 (get_reg_addr): New function.
3689 (get_reg, put_reg, copy_reg): Use it.
3690 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3691 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3693 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3694 (alpha_init_expanders): Initialize it.
3695 (alpha_expand_epilogue): Use it.
3696 * alpha.h: Declare it.
3697 * alpha.md (eh_epilogue): New.
3699 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3700 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3702 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3704 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3707 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3709 * except.h (struct eh_entry): Add false_label field.
3710 (end_catch_handler): Add prototype.
3711 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3712 (start_catch_handler): When using old style exceptions, issue
3713 runtime typematch code before continuing with the handler.
3714 (end_catch_handler): New function, generates label after handler
3715 if needed by older style exceptions.
3716 (expand_start_all_catch): No need to check for new style exceptions.
3717 (output_exception_table_entry): Only output the first handler label
3718 for old style exceptions.
3719 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3720 mechanism into one function, if a runtime matcher is provided.
3722 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3724 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3726 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3728 * integrate.c (copy_decl_list): Fix typo.
3730 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3732 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3735 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3737 * version.c: Bump for snapshot.
3739 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3741 * version.c: Bump for snapshot.
3743 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3745 * version.c: Bump for snapshot.
3747 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3749 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3751 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3753 * configure.in: remove usage of `!' to negate the result of a
3754 command; some common shells do not support it
3756 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3758 * configure.in: in sparc9-sol2 config, use 'if test' not
3760 * configure: Rebuilt.
3762 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3764 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3765 (CPP_CPU_DEFAULT_SPEC): Likewise.
3766 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3767 for arch64 libfuncs.
3769 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3772 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3774 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3776 * collect2.c: Don't declare `sys_siglist' here.
3777 (my_strsignal): Prototype and define new function. Use it in
3778 place of `sys_siglist' hacks.
3780 * mips_tfile.c: Likewise.
3782 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3783 (GCC_NEED_DECLARATIONS): Likewise.
3785 * system.h (strsignal): Prototype it, if necessary.
3786 (sys_siglist): Declare it, if necessary.
3788 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3790 * loop.c (move_movables): While removing insn sequences, preserve
3791 the next pointer of the most recently deleted insn when we skip
3794 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3796 * objc/config-lang.in: Do not output the name of the selected
3797 thread file when building the front-end. The Makefile for the
3798 runtime library will do this.
3800 * objc/Make-lang.in: Do not build the runtime library or install
3801 the Objective C header files. The Makefile for the runtime
3802 library will do this.
3804 * objc/Makefile.in (all.indirect): Only build the front-end.
3805 (compiler): Rename to `frontend'.
3806 (obj-runtime): Remove target.
3807 (copy-headers): Likewise.
3808 (clean): No need to remove `libobjc.a' any longer.
3810 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3812 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3813 supported with -mcpu=xxx.
3815 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3817 * flow.c (mark_set_1): Recognize multi-register structure return
3818 values in CALL insns.
3819 (mark_used_regs): Likewise.
3820 (count_reg_sets_1): Likewise.
3821 (count_reg_references): Likewise.
3822 * rtlanal.c (note_stores): Likewise.
3823 (reg_overlap_mentioned_p): Likewise.
3824 * haifa-sched.c (check_live_1): Likewise.
3825 (update_live_1): Likewise.
3826 (sched_analyze_1): Likewise.
3827 (sched_note_set): Likewise.
3828 (birthing_insn_p): Likewise.
3829 (attach_deaths): Likewise.
3831 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3834 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3836 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3838 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3840 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3842 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3844 * configure.in: Add check for GAS subsection -1 support.
3845 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3846 * configure config.in: Rebuilt.
3847 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3848 SImode is subsection -1 works, else use DImode.
3849 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3850 subsection -1 works.
3851 * config/sparc/sparc.c (sparc_output_addr_vec,
3852 sparc_output_addr_diff_vec): Use them if defined.
3854 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3856 * tree.h (DECL_ORIGIN): New macro.
3857 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3858 (copy_decl_list): Use it.
3859 (integrate_parm_decls): Likewise.
3860 (integrate_decl_tree): Likewise.
3861 * dwarf2out.c (decl_ultimate_origin): Simplify.
3862 * dwarfout.c (decl_ultimate_origin): Likewise.
3863 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3864 (pushdecl): Likewise.
3866 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3868 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3870 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3872 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3874 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3876 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3877 empty or has a single entry.
3879 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3880 before calling reg_to_stack.
3882 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
3884 * alpha.c (alphaev5_insn_pipe): Abort on default case.
3885 (alphaev5_next_group): Swallow CLOBBERs and USEs.
3887 * c-tree.h (warn_long_long): Declare it.
3889 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
3891 * emit-rtl.c (gen_lowpart_common): Disable optimization of
3892 initialized float-int union if the value is a NaN.
3894 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
3896 * c-lex.c (real_yylex): Don't warn about long long constants if
3897 we're allowing long long
3899 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3901 * except.h (current_function_eh_stub_label): Declare.
3902 (current_function_eh_old_stub_label): Declare.
3903 * function.h (struct function): New members eh_stub_label and
3905 * except.c (current_function_eh_stub_label): New variable.
3906 (current_function_eh_old_stub_label): New variable.
3907 (init_eh_for_function): Clear them.
3908 (save_eh_status): Save them.
3909 (restore_eh_status): Restore them.
3910 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
3911 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
3912 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
3913 make an edge from the block that contains it to the block starting
3914 with the label if this label is one of the eh stub labels.
3915 If eh stub labels exist, show they are reachable from the last block
3918 * reload1.c (reload): Break out several subroutines and make some
3920 (calculate_needs_all_insns): New function, broken out of reload.
3921 (calculate_needs): Likewise.
3922 (find_reload_regs): Likewise.
3923 (find_group): Likewise.
3924 (find_tworeg_group): Likewise.
3925 (something_needs_reloads): New global variable, formerly in reload.
3926 (something_needs_elimination): Likewise.
3927 (caller_save_spill_class): Likewise.
3928 (caller_save_group_size): Likewise.
3929 (max_needs): Likewise.
3930 (group_size): Likewise.
3931 (max_groups): Likewise.
3932 (max_nongroups): Likewise.
3933 (group_mode): Likewise.
3934 (max_needs_insn): Likewise.
3935 (max_groups_insn): Likewise.
3936 (max_nongroups_insn): Likewise.
3937 (failure): Likewise.
3939 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
3941 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
3943 * loop.c (load_mems): Copy rtx for output mem.
3945 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
3947 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
3948 mips1 or mips2 either.
3950 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
3952 * pa.c (pa_reorg): New marking scheme for jumps inside switch
3954 (pa_adjust_insn_length): Update to work with new marking scheme
3955 for jumps inside switch tables.
3956 * pa.md (switch_jump): Remove pattern.
3957 (jump): Handle jumps inside jump tables.
3959 * Makefile.in (profile.o): Depend on insn-config.h
3961 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
3963 * iris6.h (DWARF2_UNWIND_INFO): Undef.
3965 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3967 Add preliminary native sparcv9 Solaris support.
3968 * configure.in: Recognize sparv9-*-solaris2*
3969 * configure: rebuilt
3970 * config.sub: Recognize sparcv9 just like sparc64.
3971 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
3972 config/sparc/sol2-cn.asm: Macroize so it can be shared between
3973 32-bit and 64-bit Solaris systems.
3974 * config/sparc/t-sol2: Assemble those with cpp.
3975 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
3976 (*TF*_LIBCALL): If ARCH64 use V9 names.
3977 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
3979 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3981 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
3982 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
3984 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
3986 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
3987 to Pmode if CASE_VECTOR_MODE is something else.
3989 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3991 * prefix.c (update_path): Correctly handle cases where PATH is
3992 a substring of the builtin prefix, but specifies a different
3995 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
3997 * expr.c: Corrected comment about what MOVE_RATIO does.
3998 * config/alpha/alpha.h: Ditto.
3999 * config/1750a/1750a.h: Ditto.
4000 * config/clipper/clipper.h: Ditto.
4001 * config/i386/i386.h: Ditto.
4003 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
4005 * configure.in (m68k-next-nextstep3*): Use collect2.
4006 Similarly for x86 NeXT configurations.
4007 * configure: Rebuilt.
4009 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
4011 * configure.in: Don't assume srcdir is .../gcc
4012 * configure: Rebuilt.
4014 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
4016 * global.c: Update comments.
4017 (global_alloc): Assign allocation-numbers
4018 even for registers allocated by local_alloc in case
4019 they are later spilled and retry_global_alloc is called.
4020 (mark_reg_store, mark_reg_clobber,
4021 mark_reg_conflicts, mark_reg_death): Always record a
4022 conflict with a pseudo register even if it has been
4023 assigned to a hard register.
4024 (dump_conflicts): Don't list pseudo registers already assigned to
4025 a hard register as needing to be allocated, but do list their
4027 * local-alloc.c: Update comment.
4029 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
4031 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
4032 * configure: Rebuilt.
4034 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
4036 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
4038 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
4039 for all targets that set -msoft-float.
4041 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4043 * toplev.c (print_switch_values): Make static to match prototype.
4045 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
4047 * configure.in: If we are unable to find the "gnatbind" program,
4048 then do not configure the ada subdir.
4049 * configure: Rebuilt.
4051 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
4053 * version.c: Bump for snapshot.
4055 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
4057 * version.c: Bump for snapshot.
4059 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4061 * Makefile.in (toplev.o): Depend on $(EXPR_H).
4062 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
4064 * gansidecl.h: Define ATTRIBUTE_NORETURN.
4066 * genattrtab.c: Have insn-attrtab.c include toplev.h.
4068 * genextract.c: Have insn-extract.c include toplev.h.
4070 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
4072 * toplev.c: Include expr.h.
4073 (really_sorry, fancy_abort): Remove prototypes.
4074 (set_target_switch): Add argument in prototype.
4075 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
4076 (v_really_sorry): Likewise.
4077 (print_version, print_single_switch, print_switch_values): Make
4078 static and add prototype arguments.
4079 (decl_printable_name): Add prototype arguments.
4080 (lang_expand_expr_t): New typedef.
4081 (lang_expand_expr): Declare as a lang_expand_expr_t.
4082 (incomplete_decl_finalize_hook): Add prototype argument.
4083 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
4084 (botch): Likewise for variable `s'.
4085 (rest_of_type_compilation): Mark variables `type' and `toplev'
4086 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
4087 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
4088 (display_help): Make variable `i' an `unsigned long'.
4089 (main): Remove unused parameter `envp'.
4090 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
4091 Cast -1 when comparing it with a `size_t'.
4093 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
4094 prototype with ATTRIBUTE_NORETURN.
4095 (fatal_insn_not_found, fatal_insn, really_sorry,
4096 push_float_handler, pop_float_handler): Add prototypes.
4097 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
4098 (do_abort, botch): Add prototypes.
4100 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
4102 * final.c (final): If a label is reached only from a single jump,
4103 call NOTICE_UPDATE_CC on the jump and its predecessor before
4104 emitting the insn after the label.
4106 * i386.h: Add AMD K6 support.
4107 Change TARGET_* macros to use table lookup.
4108 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
4109 (ADJUST_COST): Change definition to call function in i386.c.
4110 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
4111 * i386.c: Add AMD K6 support.
4112 Add constants for feature tests used by TARGET_* macros.
4113 (split_di): If before reload, call gen_lowpart and gen_highpart.
4114 (x86_adjust_cost): New function.
4115 (put_jump_code): New function.
4116 (print_operand): New codes 'D' and 'd'.
4117 * i386.md: New insn types. New insn attribute "memory".
4118 Redefine scheduling parameters to use new types and add AMD K6
4119 support. Explicitly set type of most insns.
4120 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
4121 Pro and K6 prefer movl $1,reg to incl reg.
4122 (adddi3, subdi3): Set cc_status.
4123 (DImode shift patterns): Change label counters from HOST_WIDE_INT
4124 to int; x86 can't have more than 2^31 DImode shifts per file.
4125 (setcc): Combine all setcc patterns. Allow writing memory.
4126 Combine all jump patterns using match_operator.
4127 (*bzero): Name pattern. Emit mutliple stos instructions when that
4128 is faster than rep stos.
4129 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
4132 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
4134 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
4137 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
4139 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
4140 not whatever we're generating now.
4142 * alpha.c (set_frame_related_p, FRP): New.
4143 (alpha_expand_prologue): Mark frame related insns.
4144 (alpha_expand_epilogue): Likewise, but with a null FRP.
4145 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
4146 * alpha.md (exception_receiver): New.
4147 * alpha/crtbegin.asm (.eh_frame): New beginning.
4148 (__do_frame_setup, __do_frame_takedown): New.
4149 * alpha/crtend.asm (.eh_frame): New ending.
4150 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
4151 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
4152 (ASM_FILE_START): Don't emit .file for dwarf2.
4154 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
4155 * rtl.c (reg_note_name): Likewise.
4156 * rtl.texi (REG_NOTES): Likewise.
4157 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
4160 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
4162 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
4163 * i386.md (movsf, movdf, movxf): Validate memory address returned
4164 from force_const_mem. Kill useless REG_EQUAL setting code.
4166 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
4168 * m68k.md (zero_extendsidi2): Fix typo.
4170 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
4172 * configure.in: Removed references to the removed file
4173 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
4174 * arm*-*-netbsd* and ns32k-*-netbsd*.
4175 * config/i386/xm-netbsd.h: Removed unnecessary file.
4176 * config/m68k/xm-netbsd.h: Likewise.
4177 * config/sparc/xm-netbsd.h: Likewise.
4178 * config/mips/xm-netbsd.h: Likewise.
4180 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
4182 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
4183 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
4185 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
4186 for exact section attributions.
4188 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
4190 * i386/crtdll.h (CPP_PREDEFINES): Define.
4192 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
4194 * m68k.md (5200 movqi): Do not allow byte sized memory references
4196 * m68k.c (output_move_qimode): Do not use byte sized operations on
4199 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4200 explicit rules for building. Similarly for alloca, vfprintf,
4201 choose-temp and mkstemp, getopt, getopt1, and obstack.
4202 (INCLUDES): Add $(srcdir)/../include.
4203 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
4204 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
4206 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
4208 * gcc.c (do_spec_1): [case 'o'] Account for
4209 lang_specific_extra_outfiles.
4210 (main): Correctly clear all slots in outfiles for
4211 lang_specific_extra_outfiles. Set input_file_number before
4212 calling lang_specific_pre_link.
4214 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4216 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4218 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4220 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4222 (sparc_output_deferred_case_vectors): If no work to do, return.
4223 Fix thinko in Sept 1 change.
4225 1998-09-03 SL Baur <steve@altair.xemacs.org>
4227 * Makefile.in: add semicolon in BISON definition for portability.
4229 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4231 * config/nextstep.c (handle_pragma): Correct name of third
4234 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4236 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4237 * config/m32r/m32r.h: Make register 17 be fixed.
4238 * config/m32r/m32r.c: Use SImode for cc operations.
4240 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4242 * invoke.texi (Warning Options): Add -Wnon-template-friend
4245 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4247 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4249 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4251 * rs6000.md (movsf): Disable explicit secondary-reload-like
4252 functionality if TARGET_POWERPC64.
4253 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4256 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4258 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4259 and term.h from fixinc.wrap.
4261 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4263 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4264 safe to include both string.h and strings.h together.
4265 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4266 which headers to search for function declarations. Continue to
4267 prefer string.h over strings.h when both are not acceptable.
4269 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4271 * configure.in: Call GCC_HEADER_STRING.
4273 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4274 to include. Continue to prefer string.h over strings.h when both
4277 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4279 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4280 not assume top 32-bits of symbolic addresses are zero if
4283 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4285 * ginclude/va-alpha.h: Protect entire second portion of the
4286 file against double inclusion.
4288 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4290 Added support for the Boehm's garbage collector.
4291 * configure.in: Handle --enable-objc-gc.
4292 * configure: Rebuilt.
4293 * Makefile.in (CHECK_TARGETS): Add check-objc.
4294 (check-objc): New rule.
4295 * objc/Make-lang.in: Build a different Objective-C library that
4296 runs with the Boehm's collector.
4297 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4298 * objc/encoding.c: Correctly compute the size of compound types in
4299 the presence of bitfields. Skip the variable name of the type if
4300 any. Added support for long long.
4301 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4302 (_F_GCINVISIBLE): New mask.
4303 * objc/gc.c: New file. Compute the type memory mask associated with
4304 a class based on the runtime information.
4305 * objc/misc.c: Added the hooks that use the Boehm's collector
4306 allocation functions.
4307 * objc/objc-act.c (build_class_template): Generate a new class
4308 member (gc_object_type) to hold the class' type memory mask.
4309 (build_shared_structure_initializer): Initialize the new member to
4311 (encode_complete_bitfield): New function. Generate the new
4313 (encode_field_decl): Generate the new encoding only for the GNU
4315 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4317 (class_get_gc_object_type): New function to mark a pointer instance
4318 variable as a weak pointer.
4319 * objc/objc-features.texi: New file.
4320 * objc/objc.h (gc_object_type): New class member.
4321 * objc/objects.c (class_create_instance): Create a typed memory
4322 object when compiled with Boehm's collector support.
4323 * objc/sendmsg.c (__objc_init_install_dtable): Call
4324 __objc_send_initialize instead of setting the initialize flag.
4325 (__objc_send_initialize): Call __objc_generate_gc_type_description
4326 to generate the class type memory mask. Rewrite the code that
4327 sends the +initialize so that it is called only once (bug report
4328 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4329 * testsuite/objc: New testsuite for Objective-C type encoding.
4330 * testsuite/lib/objc-torture.exp: New file.
4331 * testsuite/lib/objc.exp: New file.
4333 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4335 * jump.c (jump_optimize): In if/then/else transformations, add
4336 another call to modified_between_p for the jump insn.
4338 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4340 * fix-header.c (symlink): Treat like readlink.
4342 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4344 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4347 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4349 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4350 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4351 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4353 * config/nextstep.c (handle_pragma): Take three arguments, as per
4354 the new HANDLE_PRAGMA macro specification.
4355 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4356 per the new HANDLE_PRAGMA macro specification.
4357 * config/i960/i960.c (process_pragma): Take three arguments, as
4358 per the new HANDLE_PRAGMA macro specification.
4360 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4362 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4363 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4364 if unknown pragmas are encountered.
4365 (handle_sysv_pragma): Interpret return code from
4366 handle_pragma_token (). Return success/failure indication rather
4367 than next unprocessed character.
4368 (pragma_getc): New function: retrieves characters from the
4369 input stream. Defined when HANDLE_PRAGMA is enabled.
4370 (pragma_ungetc): New function: replaces characters back into the
4371 input stream. Defined when HANDLE_PRAGMA is enabled.
4373 * c-pragma.c (handle_pragma_token): Return success/failure status
4376 * c-pragma.h: Change prototype of handle_pragma_token().
4378 * varasm.c: (handle_pragma_weak): Only create this function if
4379 HANDLE_PRAGMA_WEAK is defined.
4381 * c-common,c (decl_attributes): If defined call the expression
4382 contained within the INSERT_ATTRIBUTES macro before adding
4383 attributes to a decl.
4385 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4386 HANDLE_PRAGMA, which takes three arguments.
4387 (INSERT_ATTRIBUTES): Document this new macro.
4389 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4390 new INSERT_ATTRIBUTES macro.
4392 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4394 * config/sparc/sparc.md (movdf): Only generate special RTL for
4395 LABEL_REFs when PIC.
4396 (move_label_di): Remove
4397 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4398 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4399 references when PIC.
4400 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4401 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4402 output an .xword for all 64-bit cases.
4404 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4406 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4407 alignment, use FUNCTION_BOUNDARY instead.
4408 (sparc_output_deferred_case_vectors): Likewise.
4410 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4412 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4413 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4415 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4417 * alpha/va_list.h: New file.
4418 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4420 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4422 * NEWS: Add SCO Openserver and Unixware 7 notes.
4426 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4428 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4429 (record_constant_1): Handle RANGE_EXPR.
4431 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4433 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4434 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4435 and NOTE_INSN_RANGE_END specially.
4436 (reemit_notes): Likewise.
4438 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4440 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4441 (ultrasparc_sched_init): Remove unneeded &.
4443 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4445 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4446 for m68020-60, to prevent the use of fintrz.
4448 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4450 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4452 * Makefile.in: Likewise.
4453 * configure: Regenerated.
4455 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4457 * configure.in (gxx_include_dir): Changed to
4458 '${prefix}/include/g++'-${libstdcxx_interface}.
4459 * configure: Rebuilt.
4461 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4463 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4465 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4466 *sequences* *below* which scalar moves will be used.
4468 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4470 * collect2.c (mktemp): Delete unused declaration.
4472 * config/xm-netbsd.h: Remove unnecessary file.
4473 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4474 file anymore, it is not needed.
4476 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4478 * convert.c (convert_to_integer): Issue an error on conversions to
4481 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4483 * Makefile.in: Add lang_tree_files and gencheck.h.
4484 * configure.in: Generate them.
4485 * gencheck.c: Include gencheck.h.
4487 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4489 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4490 movdi_lo_sum_pic and movdi_high_pic and make visible.
4491 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4492 emit these when Pmode is not SImode.
4493 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4495 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4497 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4498 .linkonce directive after the first time.
4500 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4502 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4503 the clobbered operand overlaps with an input.
4504 (bne0_di): Similarly.
4506 * Makefile.in (INSTALL): Remove "--no-header" argument.
4508 * NEWS: Various updates.
4510 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4512 * config/sparc/sparc.c (arith_operand, const64_operand,
4513 const64_high_operand, arith_double_4096_operand): Mark mode as
4515 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4517 (sparc_emit_set_const64): Remove unused variable i.
4518 (sparc_splitdi_legitimate): Likewise for addr_part.
4519 (ultra_code_from_mask): Likewise for mask.
4520 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4521 reverse return values so it matches usage and comments.
4522 (ultra_flush_pipeline): Likewise.
4523 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4524 this_type, and allow loads and stores of differing FP modes as
4525 they do not create a conflict.
4526 (ultra_find_type): Initialize fpmode to SFmode, fix
4527 parenthesization thinkos in large conditional.
4528 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4529 Init free_slot_mask after ultra_cur_hist is reset, not before.
4530 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4531 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4532 use ultra_flush_pipeline instead, then re-init group pointer.
4533 Fix statement with no effect. If no progress made in, and no
4534 instructions scheduled at all, advance to new pipeline cycle else
4535 we get into an endless loop.
4536 (ultrasparc_adjust_cost): Remove previous arg.
4537 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4539 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4541 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4542 code. Use reg_overlap_mentioned_p to detect when source and
4543 destination overlap.
4544 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4546 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4548 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4549 COMPARISON_VAL, into invariant_p.
4551 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4553 * regmove.c (regclass_compatible_p): New function.
4554 (regmove_optimize): Use it.
4556 Use NREGS parameter insted of calling max_reg_num.
4558 (fixup_match_1): Don't use code = MINUS when later tieing with
4559 a hard register is likely.
4561 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4563 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4564 COMPARISON_VAL was normalized.
4566 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4568 * loop.c (check_dbra_loop): The loop ending comparison value
4569 must be an invariant or we can not reverse the loop.
4571 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4572 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4574 (load_mems_and_recount_loop_regs_set): Likewise.
4576 * i386.c (print_operand): Remove obsolete 'c' docs.
4578 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4580 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4581 * frame.c (init_object_mutex): New function.
4582 (init_object_mutex_once): Likewise.
4583 (find_fde): Call it.
4584 (__register_frame_info): Likewise.
4585 (__register_frame_info_table): Likewise.
4586 (__deregister_frame_info): Likewise.
4588 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4590 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4592 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4594 * loop.c (check_dbra_loop): Enable code for reversal
4595 of some loops without a known constant loop end.
4597 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4599 * haifa-sched.c (last_clock_var): New.
4600 (schedule_block): Initialize it.
4601 (schedule_insn): Use it to fill insn modes with issue information.
4603 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4604 Tag trapb and next insn with TImode.
4605 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4606 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4607 Invoke alphaev5_align_insns as appropriate.
4608 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4609 (MD_SCHED_VARIABLE_ISSUE): New.
4610 * alpha.md (attr type): Add multi.
4611 (define_asm_attributes): New.
4612 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4613 (arg_home): Likewise.
4614 (fnop, unop, realign): New.
4616 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4618 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4619 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4621 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4622 (rs6000-ibm-aix4.[12]*): Likewise.
4623 * configure: Regnerate.
4625 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4627 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4628 already contains the return address.
4630 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4632 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4633 word sized hunks when loading unaligned args into registers.
4635 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4636 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4638 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4640 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4642 * loop.c (check_dbra_loop): Add some code that would allow reversal
4643 of some loops without a known constant loop end if it were enabled.
4645 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4647 * mips.md (lshrsi3_internal2+2): Fix type-o.
4649 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4651 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4652 correctly with regards to stdio.h.
4654 * calls.c: Remove stdarg.h/varargs.h.
4657 * combine.c: Likewise.
4658 * cpperror.c: Likewise.
4659 * cpplib.c: Likewise.
4660 * cpplib.h: Likewise.
4661 * doprint.c: Likewise.
4662 * emit-rtl.c: Likewise.
4663 * final.c: Likewise.
4664 * fix-header.c: Likewise.
4666 * genattr.c: Likewise.
4667 * genattrtab.c: Likewise.
4668 * gencodes.c: Likewise.
4669 * genconfig.c: Likewise.
4670 * genemit.c: Likewise.
4671 * genextract.c: Likewise.
4672 * genflags.c: Likewise.
4673 * genopinit.c: Likewise.
4674 * genoutput.c: Likewise.
4675 * genpeep.c: Likewise.
4676 * genrecog.c: Likewise.
4677 * mips-tfile.c: Likewise.
4678 * prefix.c: Likewise.
4679 * protoize.c: Likewise.
4680 * regmove.c: Likewise.
4681 * toplev.c: Likewise.
4684 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4686 * config/sparc/sparc.c (sparc_override_options): If not
4687 TARGET_FPU, turn off TARGET_VIS.
4688 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4689 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4690 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4691 (movdi_insn_sp64): Add VIS fzero alternative.
4692 (clear_sf, clear_df): New VIS patterns.
4693 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4695 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4697 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4699 * loop.c (n_times_set, n_times_used, may_not_optimize,
4700 reg_single_usage): Convert to varrays. All uses changed.
4701 (insert_loop_mem): Return a value.
4702 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4703 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4706 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4709 * configure.in: Do not set thread_file to "irix" since no such
4712 * sparc.md (float abs/neg splits): Check reload_completed before
4713 calling alter_subreg.
4715 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4717 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4719 * config/sparc/sparc.h: Declare it.
4720 * config/sparc/sparc.md (float abs/neg splits): Use it.
4721 (all other splits): Handle SUBREGs properly where necessary.
4722 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4724 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4726 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4727 an insn on the unfilled_slots_list that has no delay slots.
4728 (fill_eager_delay_slots): Similarly.
4730 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4732 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4733 as an ordinary operand.
4735 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4737 * tree.c (valid_machine_attribute): Don't apply attributes to both
4740 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4742 * reload.c (operands_match_p): Handle rtvecs.
4744 * i386.c (legitimate_pic_address_disp_p): New.
4745 (legitimate_address_p): Use it.
4746 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4747 Handle constant pool symbols just like statics.
4748 (emit_pic_move): Use Pmode not SImode for clarity.
4749 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4750 [UNSPEC]: New, handling what we killed above.
4751 [PLUS]: Detect and abort on invalid symbol arithmetic.
4752 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4754 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4756 * alias.c: Include output.h.
4757 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4758 different if we're in a varargs function.
4759 * Makefile.in (alias.o): Depend on output.h
4761 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4763 * sh.h (GIV_SORT_CRITERION): Delete.
4765 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4767 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4768 * stupid.c (stupid_life_analysis): Ditto.
4769 * reload1.c (reload): Ditto.
4771 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4773 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4774 arith_double_4096_operand, arith_double_add_operand): New
4776 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4777 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4778 them to transform add/sub 4096 into add/sub -4096.
4780 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4782 * loop.c (scan_loop): Allocate some slop to handle pseudos
4783 generated by move_movables.
4784 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4787 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4789 * tree.def (DECL_RESULT): Correct documentation.
4791 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4793 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4794 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4795 conflicts will all RELOAD_FOR_OUTPUT reloads.
4797 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4798 loads the function result, substitute with a USE.
4800 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4802 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4803 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4804 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4805 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4806 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4807 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4809 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4810 'o' to 'm' for GPR variant constraints.
4812 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4814 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4816 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4818 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4819 when the source and destination overlap.
4821 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4822 clash with global type.
4824 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4826 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4828 * c-common.c (combine_strings): Also set TREE_READONLY.
4829 Change warn_write_strings to flag_const_strings.
4830 * c-decl.c, c-tree.h: Likewise.
4832 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4834 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4835 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4836 sequence, use SET/IOR instead so CSE can see it.
4837 * config/sparc/sparc.md (movhi_const64_special,
4838 movsi_const64_special): New patterns necessitated by that change.
4839 (movhi_high): Remove.
4840 (movhi_lo_sum): Change to match an IOR.
4841 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4842 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4843 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4844 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4845 registers are involved.
4846 (snesi_zero_extend split): Remove reload_completed test.
4847 (unnamed plus and minus zero_extend sidi splits): Add it.
4849 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4851 * extend.texi: Remove description of extension to explicit
4852 instantiation that is now endorsed by standard C++.
4854 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4856 * config/arc/arc.c (arc_initialize_pic): Remove.
4857 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4858 nothing on any platform and is invoked by no-one, it does not even
4859 appear in the documentation.
4860 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4861 * config/sparc/sparc.c (initialize_pic): Likewise.
4862 (find_addr_reg): Remove this as well, no longer referenced after
4865 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4867 * recog.c (validate_replace_rtx_group): New function.
4868 * recog.h (validate_replace_rtx_group): Declare it.
4869 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4870 the entire group of substitutions.
4872 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4874 * loop.c (load_mems): Fix initializers.
4876 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4878 * config/sparc/sparc.md (TFmode splits): Handle destination
4879 registers being referenced in the address correctly.
4881 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4882 TREE_UNSIGNED, when bitsize of type's mode is larger than
4883 HOST_BITS_PER_WIDE_INT.
4885 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4887 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
4888 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
4889 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
4891 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
4894 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
4896 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
4897 * h8300.h (TINY_DATA_NAME_P): Likewise.
4898 (STRIP_NAME_ENCODING): Handle '&'.
4900 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
4901 register (it could be accessed via an outer SUBREG).
4902 (REG_OK_FOR_BASE_P): Likewwise.
4903 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
4905 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
4908 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
4910 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4912 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
4913 must be offsettable so the splits can be made.
4915 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
4917 * config/i386/winnt.c: Include system.h, not stdio.h to get
4918 sys/param.h pulled in before rtl.h in case the system defines MIN
4921 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
4923 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
4925 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
4927 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
4929 * cpplib.c (cpp_define): Handle macros with parameters.
4931 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4933 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
4934 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
4935 and DImode 64-bit. Use llong for minimal-toc SFmode and
4936 SYMBOL_REF / LABEL_REF 64-bit.
4937 (output_function_profiler): Use llong for profiler label and ld to
4938 load 64-bit label address.
4940 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
4942 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
4945 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
4947 * version.c: Bump for snapshot.
4949 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
4951 * version.c: Bump for snapshot.
4953 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
4955 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
4957 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
4959 * tm.texi (Misc): Fix typo "teh".
4961 * tm.texi (PIC): Fix typo "PPIC".
4963 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
4964 effect when -O2 and higher.
4965 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
4967 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
4969 * regclass.c: Changed register set documentation to be consistent
4972 * final.c (final_start_function) Removed redundant test for
4975 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
4977 * rtl.h (rtx_function): New type.
4978 (for_each_rtx): New function.
4979 * rtlanal.c (for_each_rtx): Define it.
4981 * recog.c (change_t): New type.
4982 (change_objects, change_old_codes, change_locs, change_olds):
4984 (changes): New variable.
4985 (validate_change): Dynamically allocate room for more changes, if
4986 necessary. Uses changes array instead of change_objects, etc.
4987 (apply_change_group): Use changes array instead of
4988 change_objects, etc.
4990 * loop.c (loop_mem_info): New type.
4991 (loop_mems): New variable.
4992 (loop_mems_idx): Likewise.
4993 (looop_mems_allocated): Likewise.
4994 (scan_loop): Remove nregs parameter.
4995 (next_insn_in_loop): New function.
4996 (load_mems_and_recount_loop_regs_set): Likewise.
4997 (load_mems): Likewise.
4998 (insert_loop_mem): Likewise.
4999 (replace_loop_mem): Likewise.
5000 (replace_label): Likewise.
5001 (INSN_IN_RANGE_P): New macro.
5002 (loop_optimize): Don't pass max_reg_num() to scan_loop.
5003 (scan_loop): Remove nregs parameter, compute it after any new
5004 registers are created by load_mems. Use INSN_IN_RANGE_P and
5005 next_insn_in_loop rather than expanding them inline. Call
5006 load_mems to load memory into pseudos, if appropriate.
5007 (prescan_loop): Figure out whether or not there are jumps from the
5008 loop to targets other than the label immediately following the
5009 loop. Call insert_loop_mem to notice all the MEMs used in the
5010 loop, if it could be safe to pull MEMs into REGs for the duration
5012 (strength_reduce): Use next_insn_in_loop. Tweak comments.
5014 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
5016 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
5018 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5020 * config/sparc/sparc.c (finalize_pic): Check for the correct
5021 nonlocal_goto_receiver UNSPEC number.
5022 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
5023 making note of this dependency existing in sparc.c
5024 (negtf2_notv9 split): Give NEG SFmode.
5025 (negsf2): Fix insn output string.
5027 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
5029 * c-common.c (decl_attributes): Issue an error if the argument
5030 to alias is not a string.
5032 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
5034 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
5035 pending memory flush list.
5037 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
5039 (try_combine): Allow combining insns with REG_LIBCALL notes.
5041 * expr.c (emit_block_move): Do not call memcpy as a libcall
5042 instead build up a CALL_EXPR and call it like any other
5044 (clear_storage): Similarly for memset.
5046 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
5049 * Makefile.in (cplus-dem.o): Provide explicit rules for building
5052 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
5053 and REG_LIVE_LENGTH as successful substitutions are made.
5055 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5057 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
5058 statement after end of loop label.
5060 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5062 * config/sparc/sparc.c (ultra_types_avail): New variable.
5063 (ultra_build_types_avail): New function to record mask of insn
5064 types in ready list at this cycle.
5065 (ultrasparc_sched_reorder): Call it.
5066 (ultra_find_type): Use it to quicken the search. Also simplif
5067 dependency check, don't use rtx_equal_p because we know exactly
5068 what we are looking for.
5070 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
5072 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
5073 for architecture v4.
5075 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5077 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
5079 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
5080 movdf_const_intreg and helper splits): New patterns to move float
5081 constants into integer registers.
5082 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
5085 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
5088 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
5090 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
5092 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
5093 a BASE_REGS register is needed as an intermediate when copying
5094 a symbolic value into any register class other than BASE_REGS.
5096 * expr.c (move_by_pieces): No longer static. Remove prototype.
5097 * rtl.h (move_by_pieces): Add extern prototype.
5098 * mips.c (expand_block_move): Handle aligned straight line copy by
5099 calling move_by_pieces.
5101 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
5104 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
5106 * stmt.c (expand_end_loop): Tidy. Allow unconditional
5107 jumps out of the loop to be treated as part of the exit test.
5109 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5110 Jeff Law <law@cygnus.com>
5112 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
5113 * cplus-dem.c: Delete.
5115 * Makefile.in (fold-const.o): depend on $(RTL_H).
5117 * fold-const.c: Include rtl.h to get the prototype for
5118 `set_identifier_local_value'.
5120 * loop.c (express_from_1): Remove unused variable `tmp'.
5121 (combine_givs): cast the first argument of bzero to char *.
5123 * toplev.c (display_help): Remove unused variable `looking_for_start'.
5125 * c-decl.c (init_decl_processing): Remove unneeded &.
5127 * alpha.h (alpha_initialize_trampoline): Provide prototype.
5129 * except.c (set_exception_lang_code, set_exception_version_code):
5130 Change parameter from `short' to `int' to avoid using a gcc
5133 * except.h (set_exception_lang_code, set_exception_version_code):
5134 Likewise for prototypes.
5136 * flow.c (count_reg_references): Remove unused variables `regno'
5139 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
5141 * prefix.c (translate_name): Cast the result of `alloca'.
5143 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
5145 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5147 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
5149 (valid_dbcc_comparison_p): Mark mode argument as unused.
5150 (symbolic_operand): Likewise.
5151 (legitimize_pic_address): Likewise.
5152 (const_uint32_operand): Likewise.
5153 (const_sint32_operand): Likewise.
5154 * sched.c [!INSN_SCHEDULING]: Define only dummy function
5155 schedule_insns and comment out rest of file.
5157 * m68k.c (output_move_simode_const): Use subl to move a zero into an
5159 (output_move_[hq]imode): Likewise.
5161 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
5163 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
5164 * invoke.texi: Corresponding changes.
5166 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
5168 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
5170 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5172 * config/sparc/sparc.c (ultra_code_from_mask,
5173 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
5174 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
5175 ultrasparc_sched_init, ultrasparc_variable_issue,
5176 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
5177 functions to describe UltraSPARC pipeline exactly to Haifa.
5178 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
5179 as there is nothing the scheduler can do about it. Indicate that
5180 REG_DEP_OUTPUT's collide. Fixup formatting.
5181 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
5182 divide costs on Ultra for DImode.
5183 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
5185 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
5186 ieuN and add call_no_delay_slot to type list.
5187 (cti function unit): New unit for branches on UltraSPARC.
5188 (subx/addx insns): Set type to misc.
5189 (sidi zero/sign extension insns on arch64): Set type to shift.
5190 (sign_extendhidi2_insn): Set type to sload.
5192 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
5194 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
5195 (output_epilog): Use if != 0 for offset.
5196 (rs6000_fatal_bad_address): Prepare for Intl.
5197 * rs6000.h (rs6000_fatal_bad_address): Declare.
5198 * rs6000.md (movsfcc, movdfcc): Use else if.
5199 (elf_high): Use {liu|lis}.
5200 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
5201 (movsi): Use rs6000_fatal_bad_address.
5203 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
5205 * reload.c (find_equiv_reg): Reject equivalences separated
5206 by a volatile instruction.
5208 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5210 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
5212 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
5214 * alpha.md (movsicc): Fix mode mismatch.
5216 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5218 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5220 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5222 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5224 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5225 write-only modifier from operand 1 constraint.
5227 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5229 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5230 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5232 (sparc_emit_set_const64): Likewise, also when computing trailing
5233 bits do not negate low_bits and make fast_int an int.
5235 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5237 * loop.c (add_label_notes): Do not ignore references to labels
5238 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5239 * gcse.c (add_label_notes): Similarly.
5241 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5243 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5244 (adddi_dishl32): Similarly.
5246 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5248 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5249 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5250 * cse.c (cse_basic_block): Add parens to shut up warnings.
5252 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5254 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5255 sparc_emit_set_const64_longway, const64_is_2insns,
5256 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5257 in 64-bit constant formation.
5258 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5259 rtl for addx not subx.
5260 (define_insn movdi_const64_special): Make available even when
5261 HOST_BITS_PER_WIDE_INT is not 64.
5262 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5263 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5264 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5265 instances of operand 1 inside a QI subreg.
5266 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5267 (one_cmpldi2_sp64): Fix output string.
5268 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5270 (unnamed arch64 ashift DI): Truncate shift count if greater than
5273 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5275 * expr.c (store_expr): Don't optimize away load-store pair
5276 when either source or destination have a side effect.
5278 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5280 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5281 operands of SET are incompatible.
5283 * alpha.md: Fix max and min patterns so modes of SET operands match.
5285 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5287 * configure.in: Avoid [[ by using test and changequote.
5288 * configure: Rebuild.
5290 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5292 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5294 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5295 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5296 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5297 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5298 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5299 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5300 Fix mismatching modes in SET operands.
5301 (conditional move patterns): Fix formatting.
5302 (unnamed subx arch64 pattern): Remove duplicate insn.
5304 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5306 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5307 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5308 (input_operand): Fixup test for what we accept for constant
5310 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5312 (safe_constDI): Remove.
5313 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5314 gen_safe_XOR64): New functions.
5315 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5316 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5318 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5319 available when HOST_BITS_PER_WIDE_INT is not 64.
5320 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5321 move before movdi_insn_sp64 pattern.
5322 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5323 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5324 symbolic_operand as predicate for second operand.
5325 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5326 expander): Give set VOIDmode.
5328 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5330 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5332 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5334 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5336 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5338 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5340 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5342 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5344 * install.texi: Various SCO OpenServer tweaks.
5346 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5348 * reload1.c (eliminate_regs_in_insn): Handle another case when
5349 eliminating the frame pointer to the hard frame pointer. Add
5350 missing ep->to_rtx check to one existing case.
5352 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5354 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5356 * tree.h: De-conditionalize init_priority code.
5358 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5359 * collect2.c (NM_FLAGS): Change from -p to -n.
5361 * configure.in: Turn on collect2 for mipstx39-elf.
5362 Handle use_collect2=no properly.
5364 * c-common.c: De-conditionalize init_priority code.
5365 * collect2.c (extract_init_priority, sort_ids): New fns.
5366 (main): Call sort_ids.
5367 Move sequence_number to file scope.
5369 * configure.in: Handle --enable-init-priority.
5370 * c-common.c (attrs): Add A_INIT_PRIORITY.
5371 (init_attributes, decl_attributes): Likewise.
5372 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5373 * tree.c (get_file_function_name_long): Split out...
5374 (get_file_function_name): ...from here.
5376 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5378 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5381 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5383 * toplev.c (display_help): Add braces to shut up warnings.
5384 * tree.c (simple_cst_equal): Likewise.
5386 * fold-const.c (non_lvalue): Don't deal with null pointer
5388 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5390 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5391 of any size to a pointer.
5393 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5395 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5397 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5399 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5400 which will be saved.
5401 * mn10300.md (prologue insn): Only save registers which need saving.
5402 (epilogue insn): Similarly.
5404 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5407 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5409 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5410 VAR_DECL's in gp addressable sections.
5412 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5414 * sparc.c: Change return <exp> to <exp>; return; in functions
5416 * sparc.md: Add empty semicolon statement after final label in
5419 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5421 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5422 addx_extend_sp64, only allow when TARGET_ARCH64.
5423 (define_insn addx_extend_sp32 and split): Version that works when
5425 (define_insn subx_extend): Likewise.
5426 (define_split adddi3 and subdi3 with zero extension): Fixup and
5427 correct bugs when not TARGET_ARCH64.
5429 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5431 * except.c (set_exception_lang_code, set_exception_version_code):
5432 Use prototype-style definition if __STDC__, to match declaration
5435 * genemit.c: Change FAIL and DONE macros not to use loops.
5437 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5439 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5440 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5442 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5444 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5446 * README.g77: Update from Craig.
5448 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5450 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5452 (safe_constDI sparc_emit_set_const64_quick1,
5453 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5454 analyze_64bit_constant, const64_is_2insns,
5455 create_simple_focus_bits): Fix some bugs when compiled on real
5457 (function_arg_record_value_3, function_arg_record_value_2,
5458 function_arg_record_value): Add fully prototyped forward decls.
5459 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5460 to cmpsi_insn and use on both 64 and 32 bit targets.
5461 (define_insn cmpsi_insn_sp64): Remove.
5462 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5463 (define_insn zero_extendsidi2_insn): Rename to
5464 zero_extendsidi2_insn_sp64.
5465 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5466 assosciated forced split for it.
5468 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5470 * config/sparc/sparc.h: Declare them.
5471 (PREDICATE_CODES): Add them.
5472 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5473 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5475 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5477 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5478 in v9 case as the latter makes the Solaris assembler crash.
5480 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5482 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5483 for TFmode when !v9. We require offsettable memory addresses.
5484 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5485 DFmode register number conversions.
5486 * config/sparc/sparc.md (define_split DFmode moves): If register
5487 is a SUBREG do alter_subreg on it before using.
5488 (define_expand movtf): Fixup comment about alignment on v9.
5489 (define_split TFmode moves): Don't use gen_{high,low}part, create
5490 explicit SUBREGs instead.
5492 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5494 * Makefile.in (mbchar.o): Depend on mbchar.c.
5496 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5497 Richard Henderson <rth@cygnus.com>
5499 Rewrite Sparc backend for better code generation and
5500 improved sparc64 support.
5501 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5503 * config/sparc/sysv4.h: Likewise.
5504 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5505 move_operand, v8plus_regcmp_op, emit_move_sequence,
5506 singlemove_string, doublemove_string, mem_aligned_8,
5507 output_move_double, output_move_quad, output_fp_move_double,
5508 move_quad_direction, output_fp_move_quad, output_scc_insn):
5510 (small_int_or_double): New predicate.
5511 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5512 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5513 old pic_{sethi,lo_sum}_si patterns.
5514 (mem_min_alignment): New generic function to replace
5515 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5516 available and can test for arbitrary alignments. All callers
5518 (save_regs, restore_regs, build_big_number,
5519 output_function_prologue, output_cbranch, output_return,
5520 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5521 sparc_flat_output_function_epilogue): Prettify
5523 (output_function_epilogue): Likewise and add code to output
5524 deferred case vectors.
5525 (output_v9branch): Likewise, add new arg INSN and use it to tack
5526 on branch prediction settings. All callers changed.
5527 (print_operand): Likewise and output %l44 for LO_SUMs when
5529 (sparc_splitdi_legitimate): New function to make sure DImode
5530 splits can be run properly when !arch64.
5531 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5532 Reformat example code in comments.
5533 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5534 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5535 of deferred case vectors we need to output.
5536 (sparc_defer_case_vector): Record a case vector.
5537 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5538 sparc_output_deferred_case_vectors): New functions to output them.
5539 (sparc_emit_set_const32): New function to form 32-bit constants in
5540 registers when that requires more than one instruction.
5541 (safe_constDI, sparc_emit_set_const64_quick1,
5542 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5543 analyze_64bit_constant, const64_is_2insns,
5544 create_simple_focus_bits, sparc_emit_set_const64): New functions
5545 which do the same for 64-bit constants when arch64.
5546 (sparc_emit_set_symbolic_const64): New function to emit address
5547 loading for all code models on v9.
5548 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5549 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5550 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5551 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5552 inaccuracies in comments, add symbolic and text_segment operands
5553 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5554 GENERAL_REGS in these cases as a temp REG is needed to load these
5555 addresses into a register properly.
5556 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5558 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5559 quads are guarenteed to have 16-byte alignment.
5560 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5561 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5562 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5563 deferred case vector implementation.
5564 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5565 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5566 Generate "internal label - label" instead of "label - 1b".
5567 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5568 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5569 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5571 (doublemove_string, output_block_move, output_fp_move_double,
5572 output_fp_move_quad, output_move_double, output_move_quad,
5573 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5574 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5575 (sparc_emit_set_const32, sparc_emit_set_const64,
5576 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5577 mem_min_alignment, small_int_or_double): Add externs.
5578 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5579 UNSPEC_VOLATILE in this backend.
5580 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5581 unary to types which execute in it.
5582 (define_function_unit ieu_shift): Rename to ieu0.
5583 (define_function_unit ieu1): New, executes compare, call, and
5584 uncond_branch type insns.
5585 (define_function_units for type fdivs, fdivd, fsqrt): These
5586 execute in the fpu multiply unit not the adder on UltraSparc.
5587 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5588 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5589 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5590 allows the arith_double_operand predicate and rHI constraint when
5592 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5593 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5594 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5595 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5596 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5597 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5598 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5599 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5600 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5601 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5602 sign_extendqihi2_insn, sign_extendqisi2_insn,
5603 sign_extendqidi2_insn, sign_extendhidi2_insn,
5604 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5605 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5606 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5607 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5608 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5609 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5610 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5611 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5612 smulsi3_highpart_v8plus, unnamed subreg mult,
5613 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5614 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5615 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5616 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5617 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5618 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5619 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5620 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5621 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5622 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5623 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5624 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5625 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5626 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5627 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5628 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5629 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5630 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5631 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5632 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5633 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5634 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5635 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5636 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5637 call_address_untyped_struct_value_sp32,
5638 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5639 call_value_symbolic_sp32, call_value_address_sp64,
5640 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5641 flush_register_windows, goto_handler_and_restore,
5642 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5643 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5644 return_addsi, return_di, return_adddi, return_sf, all call+jump
5645 peepholes, trap, unnamed trap insns): Prettify output strings.
5646 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5647 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5648 Likewise and force + implement splits for integer cases.
5649 (define_insn return_sf_no_fpu): Likewise and allow to match when
5650 no-fpu because of our subreg SFmode splits.
5651 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5652 zero_extendqidi2_insn, zero_extendhidi2_insn,
5653 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5654 input_operand for second operand.
5655 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5656 reg_or_0_operand for operand 2 so new splits can use it.
5657 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5658 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5660 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5661 CONST_DOUBLEs for operand 2.
5662 (define_insn move_label_di): Likewise and label distance
5663 optimization because it no longer works with new deferred case
5664 vector scheme. To be revisited.
5665 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5666 and allow reg_or_0_operand and J constraint for second operand.
5667 (define_insn jump): Set branch predict taken on V9.
5668 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5669 new deferred case vector scheme.
5670 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5671 (define_insn negdi2_sp32): Force + implement splits.
5672 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5673 one_cmplsi2_not_liveg0 respectively, and create expander of original
5674 names which emit special rtl for TARGET_LIVE_G0.
5675 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5676 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5677 gen_compare_reg, FAIL instead.
5678 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5679 values when trying to reverse condition codes, if they FAIL then
5681 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5682 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5683 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5684 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5685 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5686 set output string to # to indicate they are mandatory splits.
5687 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5688 pic_sethi_di, move_pic_label_si): Remove.
5689 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5690 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5692 (define_expand movsi_pic_label_ref, define_insn
5693 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5694 expander and insns to handle PIC label references and deferred
5696 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5698 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5699 Rewrite to not use emit_move_sequence, make use of new constant
5700 formation code, and new splits for all multi-insn cases.
5701 (define_insn movqi_insn): Remove sethi case, it can never happen.
5702 Use reg_or_zero_operand instead of const0_rtx explicit test,
5703 use input_operand instead of move_operand for source, and use
5704 general_operand now for dest.
5705 (define_insn movhi_insn): Similar but leave sethi case.
5706 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5707 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5708 movhi_lo_sum respectively, prettify output string.
5709 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5710 register when needed on TARGET_LIVE_G0.
5711 (define_insn movsi_insn): Use general_operand and input_operand
5712 for dest and src respectively. Simplify applicability test.
5713 Prettify output strings, and add clr alternative for J
5715 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5716 deprecated std and reg-reg DI moves): Remove and...
5717 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5718 implementation which uses forced splits for all non-single insn
5720 (define_split DI move cases on !arch64): New splits to handle all
5721 situations of 64-bit double register DImode on 32bit, and
5722 unaligned registers and memory addresses for all subtargets.
5723 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5725 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5726 input_operand for dest and src respectively, prettify output
5728 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5729 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5731 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5732 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5733 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5734 movtf_no_e_insn_sp64) Replace with new
5735 implementation which uses forced splits for all non-single insn
5737 (define_split DF move cases): New splits in similar vein to DI
5739 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5740 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5741 movdi_sp64_insn): Remove old v9 code model and constant loading
5743 (define_insn pic_lo_sum_di, pic_sethi_di,
5744 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5745 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5746 embmedany_sethi, embmedany_losum, embmedany_brsum,
5747 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5748 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5749 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5750 scheme, using unspecs, secondary reloads, and one to one sparc
5751 insn to rtl insn mapping for better scheduling and code gen.
5752 (define_expand reload_indi, reload_outdi): Reload helpers for
5753 MEDANY and EMBMEDANY symbol address loading cases which require a
5755 (define_expand movsicc): Remove v8plus_regcmp cases.
5756 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5757 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5758 cmp_diqi_trunc_set): New patterns used by some of the new scc
5760 (define_insn xordi3_sp64_dbl): New pattern used for constant
5761 formation when crossing from 32-bit targets.
5762 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5764 (define_insn addx, subx): Make visible and prettify.
5765 (define_insn adddi3_insn_sp32): Likewise and force split.
5766 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5767 64bit scc split usage.
5768 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5769 zero_extend, subdi3): Force and implement splits.
5771 * final.c (final_scan_insn): Don't output labels if target
5772 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5775 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5776 don't forget to walk inside SEQUENCESs too as these are what the
5777 delay slot scheduler will create.
5779 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5781 * alpha.md (extxl+1,+2): New patterns to work around
5784 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5786 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5787 caused bad assembly code to be generated.
5789 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5791 * netbsd.h: Fix typo.
5793 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5795 * config.sub: Fix typo.
5797 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5799 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5801 (Running Protoize): Typo: Change "ther" into "other".
5803 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5805 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5806 * m68k/netbsd.h: Likewise.
5807 * ns32k/netbsd.h: Likewise.
5808 * sparc/netbsd.h: Likewise.
5810 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5812 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5813 * ginclude/va-clipper.h (va_list): Likewise.
5815 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5817 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5818 load/store multiple instructions unless user overrides.
5820 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5822 * ns32k/netbsd.h: Fix typo.
5824 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5826 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5827 labels with .debugsym if no parallel insns.
5829 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5831 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5832 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5834 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5836 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5837 (AR_FOR_TARGET): Define.
5839 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5841 * dyn-string.h: New file.
5842 * dyn-string.c: Likewise.
5843 * Makefile.in (OBJS): Add dyn-string.o.
5844 (dwarf2out.o): Add dyn-string.h dependency.
5845 (dyn-string.o): List dependencies.
5846 * dwarf2out.c: Include dyn-string.h.
5847 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5848 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5849 prototype. Use dyn_string_append rather than strcat, throughout.
5850 (addr_to_string): Use dyn_string_t.
5852 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5854 Function entry/exit profiling instrumentation:
5855 * expr.h (profile_function_entry_libfunc,
5856 profile_function_exit_libfunc): Declare new variables.
5857 * optabs.c: Define them here.
5858 (init_optabs): Initialize them.
5859 * tree.h (struct tree_decl): New flag
5860 no_instrument_function_entry_exit.
5861 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5862 * c-decl.c (duplicate_decls): Merge it.
5863 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5864 (init_attributes): Use it for "no_instrument_function".
5865 (decl_attributes): Handle it, for functions that have not yet been
5866 compiled. Set decl flag.
5867 * flags.h (flag_instrument_function_entry_exit): Declare new
5869 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5870 (f_options): New option "instrument-functions".
5871 * function.h (struct function): New field instrument_entry_exit.
5872 * function.c (current_function_instrument_entry_exit): New
5874 (push_function_context_to, pop_function_context_from): Save and
5876 (expand_function_start): Set current_ variable, maybe emit return
5877 label and entry profile call.
5878 (expand_function_end): Maybe emit exit profile call.
5880 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5882 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5883 NON_QI_REG_P, pretend the register is SImode.
5885 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
5887 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
5888 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
5889 manufacturer id for ns32k.
5890 * configure: Regenerated.
5891 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
5892 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
5893 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
5894 * config/m68k/netbsd.h: Same.
5895 * config/ns32k/netbsd.h: Same.
5896 * config/sparc/netbsd.h: Same.
5898 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
5900 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
5901 or UNROLL_COMPLETELY loop that starts with a jump to its
5904 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
5906 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
5907 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
5908 (print_operand, case 'B'): Don't fall through.
5909 (print_operand, case 'S'): Correct mask begin/end computation.
5910 Use HOST_BITS_PER_WIDE_INT.
5911 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
5912 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
5913 * rs6000/aix41.h (CPP_PREDEFINES): Same.
5914 * rs6000/aix43.h (CPP_PREDEFINES): Same.
5916 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
5918 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
5919 constraint from second alternative.
5921 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5923 * configure.in: Fix --without/--disable cases for local-prefix,
5924 gxx-include-dir and checking.
5926 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5928 * configure.in (enable_haifa): Set by default for sparc64 too.
5931 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
5933 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
5934 * i386/winnt.c (associated_type): New fn.
5935 (i386_pe_valid_type_attribute_p): New fn.
5936 (i386_pe_check_vtable_importexport): Remove.
5937 (i386_pe_dllexport_p): Use associated_type.
5938 (i386_pe_dllimport_p): Likewise.
5940 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
5941 * i386.c (i386_valid_type_attribute_p): Also accept
5942 attributes for METHOD_TYPEs.
5944 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
5946 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
5948 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
5950 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
5952 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
5953 them from generating a new base name for each occurence of
5956 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
5958 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
5960 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
5964 * cplus-dem.c (type_kind_t): New type.
5965 (demangle_template_value_parm): Add type_kind_t parameter. Rely
5966 on this paramter, rather than demangling the type again.
5967 (demangle_integral_value): Pass tk_integral.
5968 (demangle_template_: Pass the value returned from do_type.
5969 (do_type): Return a type_kind_t. Pass tk_integral to
5970 demangle_template_value_parm for array bounds.
5971 (demangle_fund_type): Likewise.
5973 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
5975 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
5978 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
5980 * pa.c (move_operand): Accept CONSTANT_P_RTX.
5982 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
5984 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
5986 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
5989 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
5991 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
5992 (DEBUGGER_ARG_OFFSET): Likewise.
5994 * mn10300.md (movsf): Remove last change. Not needed.
5996 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
5998 * c-lex.c (yylex): Fix boundary conditions in character literal and
5999 string literal loops.
6001 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
6003 * longlong.h (count_leading_zeros): Sparclite scan instruction was
6004 being invoked incorrectly.
6006 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
6007 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
6009 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
6010 * configure.in: Added i[34567]86-*-win32
6011 * config.sub: Ditto.
6012 * configure: Rebuilt.
6014 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
6016 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
6017 the frame pointer and compiling PIC code and reload has not completed.
6019 * i386.c (output_to_reg): Add code to emulate non-popping DImode
6022 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
6024 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
6026 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6028 * Makefile.in (install-info): Only try to update the info
6029 directory file if it exists in the first place.
6031 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
6033 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
6035 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
6037 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
6038 CONST_DOUBLE source.
6040 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
6042 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
6043 strings as the insertion of USER_LABEL_PREFIX.
6044 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
6046 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
6049 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
6051 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
6052 already defined type.
6054 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
6056 * expr.c (check_max_integer_computation_mode): Allow conversions
6057 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
6058 (expand_expr): Likewise.
6060 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6062 * expr.c (expand_expr): Expand RETURN_EXPR.
6064 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
6066 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
6068 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
6070 * dwarf2out.c (output_aranges): Call stripattributes
6071 for TEXT_SECTION references.
6072 (output_line_info): Likewise.
6074 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6076 * profile.c (branch_prob): Call allocate_reg_info after outputting
6077 profile rtl in instrument_arcs.
6079 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
6081 * fixinc.irix (math.h): Install wrapper instead of copying.
6083 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6085 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
6086 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
6087 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
6088 lang_flag_0. Added documentation in the flag table.
6090 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
6092 * cccp.c (do_include): Fix vax c style include handling.
6094 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6096 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
6098 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
6100 * fold-const.c (non_lvalue): Don't deal with null pointer
6102 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6104 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
6106 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
6107 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
6108 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
6109 (u_short_cint_operand): Same.
6110 (reg_or_cint_operand): Same.
6111 (logical_operand): Same.
6112 (input_operand): Same.
6113 (reg_or_short_operand): Use u_short_cint_operand.
6115 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
6117 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
6118 but keep the insns and splits. Adjust so when the ultimate destination
6119 is memory, use cvtql.
6121 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
6123 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
6125 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
6127 * gcc.c (do_spec): Call "error" not "warning".
6129 * configure.in: Fix minor problems with gas feature detection code.
6130 * configure: Rebuilt.
6132 * gcc.c (do_spec): Issue a warning for '%[]' usage.
6135 * gcc.c: Delete %[spec] support.
6136 (do_spec_1, case '('): Likewise.
6137 (do_spec_1, case '['): Call error.
6139 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
6141 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
6142 (CPP_SUBTARGET_SPEC): Default to empty string.
6143 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
6144 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
6145 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
6146 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
6148 * alpha/linux.h (CPP_PREDEFINES): Tidy.
6149 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
6150 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
6151 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
6152 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
6153 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
6154 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
6155 * alpha/vxworks.h: Likewise.
6157 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
6159 * mips.md (reload_outsi): Added missing REGNO call.
6160 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
6162 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
6163 another match_operator and compare the codes.
6165 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
6167 * MIPS multiply pattern fixes:
6168 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6169 Add union classes for HI, LO, or HILO plus general registers.
6170 (GENERATE_MADD): Deleted.
6171 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
6172 Add TARGET_MAD to condition.
6173 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
6174 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
6175 "*d" for accumulator, to give preference to LO initially but not
6178 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
6180 * configure.in (enable_c_mbchar): New configure option.
6181 (extra_cpp_objs): Always available now.
6183 * cexp.y (mbchar.h): #include it.
6184 (yylex): Handle Multibyte characters in character literals.
6186 * cccp.c (mbchar.h): #include it.
6187 (main): Set character set based on LANG environment variable.
6188 (rescan): Handle multibyte characters in comments.
6189 (skip_if_group): See above.
6190 (validate_else): See above.
6191 (skip_to_end_of_comment): See above.
6192 (macarg1): See above.
6193 (discard_comments): See above.
6194 (rescan): Handle multibyte characters in string and character literals.
6195 (collect_expansion): See above.
6196 (skip_quoted_string): See above.
6197 (macroexpand): See above.
6198 (macarg1): See above.
6199 (discard_comments): See above.
6200 (change_newlines): See above.
6202 * c-lex.c (mbchar.h): #include it.
6203 (GET_ENVIRONMENT): New macro.
6204 (init_lex): Set character set based on LANG environment variable.
6205 (yylex): Handle multibyte characters in character literals.
6206 (yylex): Handle multibyte characters in string literals.
6208 * Makefile.in (mbchar.o): New target.
6209 (cccp$(exeext)): @extra_cpp_objs@ is always available.
6210 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
6212 * mbchar.[ch]: New files for multibyte character handling.
6214 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6216 * jump.c (jump_optimize): When simplifying noop moves and
6217 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6218 the PUSHes to rewrite in second loop as we did in the first.
6220 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6222 * cplus-dem.c (demangle_nested_args): Make function definition
6223 static to match the prototype.
6225 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6227 * alloca.c: Respect USE_C_ALLOCA.
6228 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6229 * gengenrtl.c (xmalloc): Likewise.
6231 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6233 * loop.h (struct induction): Add no_const_addval.
6234 * loop.c (the_movables, reg_address_cost): New variables.
6235 (init_loop): Init reg_address_cost.
6236 (loop_optimize): Call end_alias_analysis.
6237 (scan_loop): Init the_movables.
6238 (record_giv): Init induction->no_const_addval.
6239 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6240 [REG]: Rearrange loop search test to catch more cases.
6241 (general_induction_var): Return success not benefit; take an extra
6242 argument for that. Change all callers.
6243 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6244 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6245 [default]: Search the_movables for additional combinations.
6246 (sge_plus_constant, sge_plus): New functions.
6247 (express_from_1): New function.
6248 (express_from): Always define. Rewrite using express_from_1.
6249 (combine_givs_p): Handle more cases. Ignore address cost.
6250 (cmp_combine_givs_stats): New function.
6251 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6252 (combine_givs): Rewrite to do best-fit combination.
6254 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6255 (fold): Do a complete (A*C)+(B*C) association check.
6257 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6259 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6261 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6263 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6265 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6267 * tree.c (valid_machine_attribute): Only create a new type variant if
6268 there is a decl to use it.
6270 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6272 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6275 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6277 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6280 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6282 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6283 Simplify tests for clearing an address register.
6284 (expand_prologue): Corresponding changes.
6286 * mn10300.md (movXX patterns): Make sure the destination is an
6287 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6288 (logical patterns): Split into expanders + patterns
6289 (zero and sign extension patterns): Similarly.
6290 (shift patterns): Similarly.
6292 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6294 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6295 for the sequence, recording base values.
6297 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6299 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6301 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6303 * gcc.c: Remove ANSI-C ism from --help code.
6305 * toplev.c: Support --help with USE_CPPLIB.
6307 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6309 * configure.in: Rework gas feature code to work with symlink based
6312 * extend.texi: Clarify some issues related to local variables
6313 assigned to explicit registers.
6315 * mn10300.md (mulsi): Turn into expander + pattern.
6317 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6320 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6322 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6324 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6326 * version.c: Bump again to distinguish mainline tree from the
6329 See ChangeLog.0 for earlier changes.
6332 add-log-time-format: current-time-string
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