1 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * expr.c (store_expr): Don't generate load-store pair
4 if TEMP is identical (according to ==) with TARGET.
6 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8 * reload1.c (reload_reg_free_for_value_p): When considered reload
9 has an output, matching inputs are not sufficient to avoid conflict.
11 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
13 * hash.h (hash_table_key): New type.
14 (hash_entry): Change `string' field to generic `key'.
15 (hash_table): Add `comp' and `hash' functions.
16 (hash_table_init): Take them as input.
17 (hash_table_init_n): Likewise.
18 (hash_lookup): Modify for generic keys.
19 (hash_newfunc): Likewise.
20 (hash_traverse): Likewise.
21 (string_hash): New function.
22 (string_compare): Likewise.
23 (string_copy): Likewise.
24 * hash.c (hash_table_init_n): Modify for generic keys.
25 (hash_table_init): Likewise.
26 (hash_lookup): Likewise.
27 (hash_newfunc): Likewise.
28 (hash_traverse): Likewise.
29 (string_hash): Split out from hash_lookup.
30 (string_compare): New function.
31 (string_copy): Split out from hash_lookup.
32 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
34 (symbol_hash_lookup): Likewise.
35 (file_hash_newfunc): Likewise.
36 (file_hash_lookup): Likewise.
37 (demangled_hash_newfunc): Likewise.
38 (demangled_hash_lookup): Likewise.
39 (tlink_int): Likewise.
40 (read_repo_file): Likewise.
41 (recompile_files): Likewise.
42 (demangle_new_symbols): Likewise.
43 (scan_linker_output): Likewise.
45 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
47 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
49 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
51 * rs6000.c (output_mi_thunk): Improve test for local branch.
53 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
55 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
57 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
59 * reload1.c (reload_reg_free_before_p): Delete.
60 Changed all callers to use reload_reg_free_for_value_p instead.
61 (reload_reg_free_for_value_p): Handle more reload types.
62 A RELOAD_FOR_INPUT doesn't conflict with its
63 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
64 Add special case for OUT == const0_rtx.
65 Added ignore_address_reloads argument. Changed all callers.
67 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
69 * toplev.c (compile_file): Don't pedwarn about undefined static
70 functions just because we passed -Wunused.
72 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
74 * function.c (purge_addressof_1): Unshare rtl created by
77 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
79 * regmove.c (regmove_optimize): Don't do anything but
80 optimize_reg_copy[123] when flag_regmove is not set.
82 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
84 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
85 value in paradoxical SImode result, rather than truncating midpoint.
87 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
89 * alpha.c (reg_not_elim_operand): New.
90 * alpha.h (PREDICATE_CODES): Add it.
91 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
94 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
96 * rs6000.md (movsf): Remove explicit secondary-reload-like
97 functionality. Only truncate SFmode store if in FPR.
98 (movsf splitters): Combine const_double splitters.
99 (movsf_hardfloat): Add GPR support.
101 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
103 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
104 deprecate -mlive-g0 and -mbroken-saverestore.
105 * t-splet (MULTILIB_OPTIONS): Likewise.
107 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
108 in a leaf function. Clarify total_size/extra_size relationship.
110 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
112 * i386/cygwin32.asm: Delete.
113 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
114 * i386/cygwin32.h: Delete.
115 * i386/cygwin.h: New file, renamed from cygwin32.h.
116 * i386/t-cygwin32: Delete.
117 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
118 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
119 * i386/x-cygwin32: Delete.
120 * i386/x-cygwin: New file, renamed from x-cygwin32.
121 * i386/xm-cygwin32: Delete.
122 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
123 renamed cygwin_ funcs for path translations.
124 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
125 * i386/winnt.c: Remove "32" from comment about cygwin.
126 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
127 * rs6000/cygwin32.h: Delete.
128 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
129 -D__CYGWIN__ to CPP_PREDEFINES.
130 * rs6000/x-cygwin32: Delete.
131 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
132 * rs6000/xm-cygwin32: Delete.
133 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
135 * configure.in: Check for cygwin* instead of cygwin32. Account
136 for the rename of cygwin-related config files to lose the "32"s.
137 * configure: Regenerate.
139 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
140 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
142 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
144 * Makefile.in (JAVAGC): New macro.
145 * configure: Rebuilt.
146 * configure.in: Recognize --enable-java-gc argument. Subst
149 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
151 Handle equivalences that have been obscured by gcse:
153 * reload1.c (reload): Handle equivalences set up in multiple places.
154 * local-alloc.c (reg_equiv_init_insns): New variable.
155 (no_equiv): New function.
156 (update_equiv_regs): Handle equivalences set up in multiple places.
157 Don't ignore an insn just because its destination is likely to be
160 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
162 * except.c (expand_eh_return): Readd force_operand call lost in
165 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
167 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
169 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
171 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
173 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
175 * regmove.c (regmove_optimize): Fix error in last change.
177 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
179 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
180 offset in the .mask pseudo to compensate for frame pointer adjustments.
181 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
182 word swap arguments moved to/from FP registers.
183 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
185 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
187 * version.c: Bump for snapshot.
189 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
191 * version.c: Bump for snapshot.
193 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
195 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
196 times, then it can not be completely replaced.
198 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
200 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
202 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
204 * gansidecl.h: Prepend a "G" to the macro wrapping this file
205 (to distinguish it from the macro wrapping ansidecl.h.)
206 Include libiberty's ansidecl.h. Remove all redundant definitions.
207 Define the PROTO() style macros in terms of the PARAMS() ones.
210 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
211 __STDC__, when deciding whether to use ANSI variable args.
212 (emit_library_call_value): Likewise.
214 * cccp.c (error): Likewise.
216 (error_with_line): Likewise.
217 (warning_with_line): Likewise.
219 (pedwarn_with_line): Likewise.
220 (pedwarn_with_file_and_line): Likewise.
223 * cexp.y (error): Likewise.
227 * collect2.c (fatal_perror): Likewise.
231 * combine.c (gen_rtx_combine): Likewise.
233 * cpperror.c (cpp_message): Likewise.
234 (cpp_fatal): Likewise.
236 * cpplib.c (cpp_error): Likewise.
237 (cpp_warning): Likewise.
238 (cpp_pedwarn): Likewise.
239 (cpp_error_with_line): Likewise.
240 (cpp_warning_with_line): Likewise.
241 (cpp_pedwarn_with_line): Likewise.
242 (cpp_pedwarn_with_file_and_line): Likewise.
244 * cpplib.h: Don't define PARAMS() macro.
246 * demangle.h: Likewise.
248 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
249 when deciding whether to use ANSI variable args.
251 * emit-rtl.c (gen_rtx): Likewise.
252 (gen_rtvec): Likewise.
254 * final.c (asm_fprintf): Likewise.
256 * fix-header.c (cpp_message): Likewise.
258 (cpp_fatal): Likewise.
260 * gcc.c (concat): Likewise.
264 * genattr.c (fatal): Likewise.
266 * genattrtab.c (attr_rtx): Likewise.
267 (attr_printf): Likewise.
270 * gencodes.c (fatal): Likewise.
272 * genconfig.c (fatal): Likewise.
274 * genemit.c (fatal): Likewise.
276 * genextract.c (fatal): Likewise.
278 * genflags.c (fatal): Likewise.
280 * genopinit.c (fatal): Likewise.
282 * genoutput.c (fatal): Likewise.
285 * genpeep.c (fatal): Likewise.
287 * genrecog.c (fatal): Likewise.
289 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
290 deciding whether to declare `tree_node' and `rtx_def'.
292 * hash.h: Don't define stuff we get from gansidecl.h.
294 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
295 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
296 whether to use ANSI variable args.
299 * prefix.c (concat): Likewise.
303 * system.h: Likewise.
305 * toplev.c (error_with_file_and_line): Likewise.
306 (error_with_decl): Likewise.
307 (error_for_asm): Likewise.
310 (warning_with_file_and_line): Likewise.
311 (warning_with_decl): Likewise.
312 (warning_for_asm): Likewise.
315 (pedwarn_with_decl): Likewise.
316 (pedwarn_with_file_and_line): Likewise.
318 (really_sorry): Likewise.
320 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
321 whether to declare `tree_node' and `rtx_def'.
323 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
324 deciding whether to use ANSI variable args.
325 (build_nt): Likewise.
326 (build_parse_node): Likewise.
328 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
330 * version.c: Bump for snapshot.
332 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
334 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
336 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
338 * collect2.c (main, case 'b'): Use else if.
340 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
342 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
343 Arrange to include gansidecl.h in {ht}config.h & tm.h just
344 before the config/ directory headers.
345 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
346 gansidecl.h in the list of dependencies.
348 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
349 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
350 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
351 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
352 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
353 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
356 * cccp.c: Don't include gansidecl.h.
358 * collect2.c: Likewise.
359 * config/c4x/c4x.c: Likewise.
360 * config/v850/v850.h: Likewise.
361 * cppalloc.c: Likewise.
362 * cpperror.c: Likewise.
363 * cppexp.c: Likewise.
364 * cppfiles.c: Likewise.
365 * cpphash.c: Likewise.
366 * cpplib.c: Likewise.
367 * cppmain.c: Likewise.
368 * cppulp.c: Likewise.
369 * demangle.h: Likewise.
370 * doprint.c: Likewise.
371 * dyn-string.c: Likewise.
372 * eh-common.h: Likewise.
373 * fix-header.c: Likewise.
377 * gen-protos.c: Likewise.
378 * gencheck.c: Likewise.
379 * halfpic.h: Likewise.
381 * machmode.h: Likewise.
382 * mbchar.c: Likewise.
383 * prefix.c: Likewise.
384 * protoize.c: Likewise.
387 * scan-decls.c: Likewise.
389 * varray.h: Likewise.
391 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
393 * i386.md (call_value_pop): If we're not popping anything,
395 (call_pop): Likewise defer to call.
397 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
399 * function.c (purge_addressof): Clear purge_addressof_replacements
400 only after processing the whole function.
402 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
404 * reload1.c (reload): If we can not perform a particular elimination
405 when we thought we could earlier, then we must always iterate through
406 the loop at least one more time.
408 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
410 * alpha.c (add_operand): Simplify the CONST_INT match.
411 (sext_add_operand): Correct typo in comparison by using
412 CONST_OK_FOR_LETTER_P.
413 * alpha.md (s?addq): Use sext_add_operand to allow the negative
414 constant alternatives to be generated.
415 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
416 small constants, since the hw instructions do.
418 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
420 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
421 previous insn to store directly into our reload register, make sure
422 that if the source of the previous insn is a reload register, its
423 spill_reg_store and spill_reg_stored_to values are cleared.
425 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
427 * rs6000.md (floatunssidf2_internal splitter): Use base register
428 operand, not hard-coded SP.
430 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
432 * jump.c (calculate_can_reach_end): Fix thinko.
434 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
436 * reorg.c (fill_simple_delay_slots): Fix typo.
438 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
440 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
442 * i386.md (extendsidi2): Use # in the output template.
443 (extendsidi splitters): New splitters.
445 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
447 * jump.c (init_label_info, delete_barrier_successors,
448 mark_all_labels, delete_unreferenced_labels,
449 delete_noop_moves, calculate_can_reach_end): New functions broken
450 out of jump_optimize.
451 (jump_optimize): Use them.
453 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
455 * except.c (expand_fixup_region_end): Make sure outer context labels
456 are not issued in an inner context during cleanups.
458 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
460 * alpha.md (addsi3, subsi3): No new temporaries once cse is
463 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
465 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
466 to expose this midpoint to CSE.
468 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
470 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
472 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
474 * configure.in: Bring over gcc2 change of Nov 19 1997.
476 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
478 * toplev.c (output_lang_identify): Make definition dependent on
479 ASM_IDENTIFY_LANGUAGE.
481 * print-rtl.c (spaces): Make static.
483 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
485 * extend.texi: Clarify proper uses for register clobbers in asms.
487 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
489 * recog.h (enum op_type): Define.
490 (constrain_operands): Adjust prototype.
491 (recog_op_type): Declare new variable.
492 * recog.c (recog_op_type): New variable.
493 (insn_invalid_p): Allow modifying an asm statement after reload.
494 (extract_insn): Set up recog_op_type.
495 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
496 Don't compute operand types, use recog_op_type.
497 Use the information computed by extract_insn instead of the previous
498 method of finding it by insn code number.
499 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
500 * reorg.c (fill_slots_from_thread): Likewise.
501 * reload1.c (reload_as_needed): Likewise.
502 (gen_reload): Likewise.
503 (inc_for_reload): Likewise.
504 (reload_cse_simplify_operands): Likewise.
505 Use the information computed by extract_insn instead of the previous
506 method of finding it by insn code number.
507 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
509 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
510 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
511 Use the information computed by extract_insn instead of the previous
512 method of finding it by insn code number.
513 * regmove.c (find_matches): Likewise. Change meaning of the return
514 value to be nonzero if the optimization can be performed, zero if
515 not. All callers changed.
516 Shorten some variable names to fix formatting problems.
517 (regmove_optimize): Shorten some variable names to fix formatting
519 Use the information computed by extract_insn instead of the previous
520 method of finding it by insn code number.
521 * regclass.c (scan_one_insn): Likewise.
522 (record_reg_classes): Don't compute operand types, use recog_op_type.
523 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
524 recog_constraints instead.
526 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
528 * rtl.h (flow2_completed): Declare.
529 * flow.c (flow2_completed): Definition.
530 * toplev.c (rest_of_compilation): Set and clear flow2_completed
533 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
535 * Makefile.in (libcpp.a): Ranlib libcpp.a
537 * cppulp.c (user_label_prefix): Initialize.
539 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
541 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
542 at a RETURN if current_function_sp_is_unchanging is set.
544 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
546 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
548 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
550 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
551 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
552 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
553 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
554 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
555 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
557 (LIB_SPEC): Handle -mno-cyginw option.
558 (LINK_SPEC): Handle -mdll.
560 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
562 * reload.c (find_reloads): Fix test for usage by other reload
563 to handle secondary reloads properly.
565 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
567 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
568 intermediate structure which has exactly the members provided by
569 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
570 static intermediate structure.
572 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
573 from the intermediate structure. Do the same analogous fix in
574 the case where ELIMINABLE_REGS is not defined.
576 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
578 * pa.h (SELECT_SECTION): Fix thinko.
580 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
582 * dwarf2out.c (output_call_frame_info): Comments on last change.
584 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
586 * arm.c (add_constant): When taking the address of an item in the
587 pool, get the mode of the item addressed.
589 * arm.c (final_prescan_insn case INSN): If an insn doesn't
590 contain a SET or a PARALLEL, don't consider it for conditional
593 Restore ABI compatibility for NetBSD.
594 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
596 (RETURN_IN_MEMORY): Likewise.
598 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
600 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
601 (m32r_output_block_move): Rewrite bytes < 4 handling.
603 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
605 * configure.in: Call AC_FUNC_VFORK.
607 * collect2.c: Define VFORK_STRING as a printable string for
608 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
609 defined, include vfork.h. If VMS is defined, define vfork()
610 appropriately. Remove vfork check on USG, we're using autoconf.
611 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
612 checking locally what string to pass.
613 (scan_prog_file): Likewise.
614 (scan_libraries): Likewise.
616 * gcc.c: Remove vfork check on USG, we're using autoconf.
617 Besides, no calls to vfork/fork occur in this file.
619 * protoize.c: Likewise.
621 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
623 * configure.in (DEFAULT_LINKER): renamed from LD
624 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
625 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
628 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
630 * BUGS: fix the regexp for `more' to find the appropriate node.
631 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
633 * BUGS: added link to the WWW FAQ
635 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
637 * version.c: Bump for snapshot.
639 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
641 * From Christian Gafton:
642 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
643 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
644 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
646 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
648 * c-common.c (c_get_alias_set): Allow all type-punning through
649 unions. Don't get confused about the type of a bit-field, despite
650 the antics of build_modify_expr.
652 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
654 * fixinc.sco: Paramaterize #include_next values.
655 * fixinc/fixinc.sco: Likewise.
657 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
659 * toplev.c (rest_of_compilation): No longer set reload_completed.
660 * reload1.c (reload): Set it here. Perform instruction splitting
661 after reload has completed if we will be running the scheduler
664 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
666 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
667 EH region if exceptions are enabled and we're performing cross
669 (find_cross_jump): Exit loop if the insns are in different EH regions.
671 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
673 * dwarf2out.c (output_call_frame_info): Use
674 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
676 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
679 * c-common.c (check_format_info): Don't check for the 'x'
680 format character twice, instead check for 'x' and 'X'
682 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
684 * configure.in (assembler features): Also make gas is configured if
685 we find it in the souce tree.
687 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
689 * i386.c (i386_comp_type_attributes): Compare whether the
690 attributes are defined, not their tree nodes.
692 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
694 * configure.in (gxx_include_dir): bitten by autoconf quoting
698 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
700 * configure.in: Ignore non-absolute value in $AS.
702 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
704 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
706 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
708 * configure.in (msdosdjgpp): Set exeext and target_alias.
710 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
712 * flow.c (XNMALLOC): New macro.
713 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
715 (add_edge, add_edge_to_label): New static functions.
716 (free_bb_memory): New function.
717 (flow_delete_insn): Delete function.
718 (basic_block_drops_in): Delete variable.
719 (find_basic_blocks): Allocate and initialize basic_block_head,
720 basic_block_succ. Don't allocate basic_block_drops_in.
721 Call free_bb_memory at the beginning.
722 (find_basic_blocks_1): Don't do multiple passes.
723 Delete code to compute basic_block_drops_in.
724 After calling make_edges, mark blocks reached by current block live.
725 Update test for unreachable live blocks.
726 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
728 Simplify to call add_edge_to_label when a LABEL_REF is found.
729 (make_edges): Simplify to call add_edge_to_label instead of
730 mark_label_ref most of the time.
731 Compute here whether control drops into the next block.
732 (delete_unreachable_blocks): Return void. All callers changed.
733 Delete unreachable blocks in reverse order.
734 After deleting all unreachable blocks, renumber the remaining ones
735 and update n_basic_blocks.
736 (delete_block): Speed up deletion a bit.
737 Don't set basic_block_drops_in for deleted blocks.
738 (free_basic_block_vars): Don't free basic_block_drops_in.
739 (life_analysis_1): Update to use new edge representation.
740 (dump_flow_info): Delete code to print basic block info; call
741 dump_bb_data instead.
742 (compute_preds_succs): Delete code to recompute basic_block_drops_in
743 and uid_block_number.
744 Simply copy the previously computed cfg.
745 (dump_bb_data): New arg LIVE_INFO. All callers changed.
746 Print register lifetime information if LIVE_INFO is nonzero.
747 * basic-block.h (dump_bb_data): Adjust prototype.
748 * gcse.c (gcse_main): Update call to dump_bb_data.
749 * rtl.h (free_bb_memory): Declare.
750 * toplev.c (rest_of_compilation): Call free_bb_memory.
752 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
753 (update_eliminable_offsets): Don't compute it.
754 (set_initial_elim_offsets): Don't initialize it.
755 Break out some code into set_initial_label_offsets so the rest of
756 this function can be called from reload_as_needed.
757 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
758 ELIMINABLE_REGS isn't.
759 (set_initial_label_offsets): New function, broken out of
760 set_initial_elim_offsets.
761 (set_offsets_for_label): New function, broken out of set_label_offsets
762 and reload_as_needed.
763 (reload): Call the two new functions.
764 (reload_as_needed): Call set_initial_elim_offsets instead of
765 duplicating the code. Likewise for set_offsets_for_label.
767 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
768 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
769 any hard reg, reg_reloaded_dead contains valid data.
771 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
773 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
774 "stdcall" and "cdecl" attributes.
776 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
778 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
779 handle deleted no-op moves of hard registers.
780 * haifa-sched.c (update_flow_info): Likewise.
782 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
784 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
785 of the sequences to reload the HILO register which do not actually
788 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
790 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
792 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
794 * except.c (emit_eh_context): Make the EH context register stay alive
795 at -O0 so stupid.c doesn't get confused.
797 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
799 * emit-rtl.c (try_split): Do not try to split a BARRIER.
801 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
802 Jeffrey A Law (law@cygnus.com)
804 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
805 (zero_extendsidi2): Use # in output template and handle completely by
807 (zero_extend splitters): New define_splits.
808 (ashiftrt_32): New pattern.
810 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
812 * tree.c (append_random_chars): New fn.
813 (get_file_function_name_long): Use it.
815 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
817 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
818 (LIBCPP_OBJS): New. Add cppulp.o.
819 (cppmain, fix-header): Depend on and use libcpp.a.
820 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
821 of the individual object files.
822 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
825 * cccp.c (user_label_prefix): New.
826 (main): Set it off -f*leading-underscore.
827 (special_symbol): Use it.
828 * cpplib.c (special_symbol): Likewise.
829 (cpp_handle_option): Handle -f*leading-underscore.
830 * cppulp.c: New file.
832 * output.h (user_label_prefix): Declare it.
833 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
834 * toplev.c (f_options, main): Handle -f*leading-underscore.
836 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
837 referencing USER_LABEL_PREFIX directly.
838 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
839 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
840 * final.c (asm_fprintf): Use user_label_prefix instead.
841 * arm/thumb.c (thumb_print_operand): Likewise.
843 * gcc.c (default_compilers): Pass -f*leading-underscore on to
844 cpp wherever appropriate.
846 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
848 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
849 specific compiler switches.
851 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
853 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
856 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
859 structure which has exactly the members provided by EXTRA_SPECS.
860 Xmalloc() the real `extra_specs', and initialize it from this
861 intermediate structure.
863 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
865 * mips.h (EXTRA_SPECS): Likewise.
867 * sparc.h (EXTRA_SPECS): Likewise.
869 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
871 * function.c (purge_addressof_1): Instead of aborting when a
872 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
873 work just put the ADDRESSOF on stack. Otherwise remember all such
874 successfull replacements, so that exactly the same replacements
875 can be made on the REG_NOTEs. Remove the special case for CALL
877 (purge_addressof_replacements): New variable.
878 (purge_addressof): Clear it at end.
880 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
882 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
883 (lang_init): Call check_newline always.
884 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
885 cpp_start_read, set yy_cur and yy_lim to read from
886 parse_in.token_buffer, so that we'll see the first #line
888 * cpplib.c (cpp_start_read): finclude the main input file
889 before processing -include/-imacros. Process -imacros and
890 -include separately, and handle -include by stacking a
891 buffer for the file in question as if it'd been #included.
892 * toplev.c (documented_lang_options) Recognize -H when
895 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
897 * cpplib.c: Merge do_once into do_pragma. Break file handling
898 code out of do_include.
899 Move append_include_chain, deps_output,
900 file_cleanup, redundant_include_p, import_hash,
901 lookup_import, add_import, read_filename_string, read_name_map,
902 open_include_file, finclude, safe_read to cppfiles.c.
903 Move prototypes for deps_output, append_include_chain,
904 finclude to cpplib.h. Move definition of struct
905 file_name_list there also.
907 * cppfiles.c: New file. Contains all the above functions
908 broken out of cpplib.c; also hack_vms_include_specification
909 from cccp.c and find_include_file, a new function broken out of
912 * Makefile.in (cppmain): Depend on cppfiles.o.
913 (fix-header): Likewise.
914 (cppfiles.o): New target.
915 * configure.in (--enable-c-cpplib): Add cppfiles.o to
916 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
918 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
920 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
921 if pending_types is non-zero.
922 (dwarfout_finish): Verify pending_types is zero before finishing.
924 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
926 * expr.c (convert_move): Use shifts to perform the move if a
927 suitable extend pattern cannot be found. Code written by
928 Richard Henderson <rth@cygnus.com>.
930 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
932 * regclass.c (renumber, regno_allocated): New static variables, moved
933 out of allocate_reg_info.
934 (allocate_reg_info): Move these two variables outside the function.
935 Move code to free memory into new function free_reg_info.
936 (free_reg_info): New function, broken out of allocate_reg_info.
937 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
938 * rtl.h (allocate_reg_info): Don't declare.
939 (free_reg_info): Declare.
941 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
943 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
945 * toplev.c (compile_file): Temporarily revert last change.
947 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
949 * c-typeck.c (convert_for_assignment): Parenthesize.
951 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
953 * reload1.c (delete_output_reload): Avoid ambigous else.
955 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
957 * toplev.c (compile_file): Call allocate_reg_info to free register
959 * rtl.h (allocate_reg_info): Declare.
961 * PROJECTS: Remove entry for local spilling.
963 * final.c (cleanup_subreg_operands): New function.
964 (final_scan_insn): Use it.
965 (alter_subreg): Clear the "used" field when we turn a SUBREG into
967 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
968 operands when reload has finished.
969 * reload.h (cleanup_subreg_operands): Declare..
970 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
971 reload. Handled in reload itself.
973 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
975 * reload1.c (verify_initial_offsets): New function.
976 (reload): Call it after reload_as_needed. Also verify that the frame
977 size stays constant during reload_as_needed.
978 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
980 * reload.h (struct insn_chain): Add need_operand_change element.
981 * reload1.c (new_insn_chain): Clear it.
982 (calculate_needs_all_insns): Set it; don't overload need_reload.
983 (reload_as_needed): Use it.
985 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
986 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
987 and reload_address_index_reg_class.
988 (find_reloads_address_1): Likewise.
989 * reload.h (reload_address_base_reg_class,
990 reload_address_index_reg_class): Don't declare.
991 * reload1.c (reg_old_renumber, pseudo_previous_regs,
992 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
993 (used_spill_regs): Now static.
994 (reload_address_base_reg_class, reload_address_index_reg_class,
995 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
996 basic_block_needs, max_needs, group_size, group_mode, max_groups,
997 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
1000 (init_reload): Delete code to compute base/index reg classes.
1001 (reload): Delete variable J.
1002 Delete code to manage basic_block_needs.
1003 Don't compute regs_explicitly_used.
1004 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
1005 pseudo_previous_regs.
1006 Initialize bad_spill_regs_global.
1007 Don't call order_regs_for_reload here.
1008 Don't initialize spill_reg_order and n_spills.
1009 Don't forbid explicitly used regs to be used for spill regs.
1010 Change main loop to infinite loop, with explicit break statements.
1011 Make SOMETHING_CHANGED variable local to that loop.
1012 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
1013 max_groups_insn, max_nongroups_insn, group_size, group_mode.
1014 Make sure spilled_speudos is cleared before calling spill_hard_reg or
1016 Don't call dump_needs.
1017 Delete code to reset potential_reload_regs.
1018 Delete code to terminate loop conditional on the global needs variables
1019 showing no further needs.
1020 (calculate_needs_all_insns): Return void. All callers changed.
1021 Initialize somehing_needs_elimination here, not in reload.
1022 Delete avoid_return_reg kludge.
1023 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
1024 All callers changed.
1025 Initialize the group_mode and group_size elements of the arg CHAIN.
1026 Delete code to manage basic_block_needs.
1027 Operate on elements of CHAIN instead of global variables.
1028 Delete avoid_return_reg kludge.
1029 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
1030 All callers changed.
1031 Operate on elements of CHAIN instead of global variables.
1032 Delete special SMALL_REGISTER_CLASSES code.
1033 Delete spill_failure code; now in new_spill_reg.
1034 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
1035 All callers changed.
1036 Operate on elements of CHAIN instead of global variables.
1037 (maybe_mark_pseudo_spilled): New static function.
1038 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
1039 All callers changed.
1040 Operate on elements of CHAIN instead of global variables.
1041 Call order_regs_for_reload here, not in reload.
1042 Initialize spill_reg_order and n_spills.
1043 Simplify test whether an asm insn is involved.
1044 Delete spill_failure code; now in new_spill_reg.
1045 Call maybe_mark_pseudo_spilled for everything marked as live in
1046 CHAIN. Merge CHAIN's used_spill_regs into the global variable
1048 (dump_needs): Take CHAIN arg. No longer static, to prevent the
1049 compiler from optimizing this function (now unused) away.
1050 Operate on elements of CHAIN instead of global variables.
1051 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
1053 Operate on elements of CHAIN instead of global variables.
1054 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
1055 take CHAIN arg. All callers changed.
1056 Operate on elements of CHAIN instead of global variables.
1057 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
1058 CHAIN, NONGROUP args. Return void. All callers changed.
1059 Verify caller isn't trying to spill a pseudo.
1060 Simplify test for illegal reg, just use bad_spill_regs.
1061 Generate better error messages.
1062 Operate on elements of CHAIN instead of global variables.
1063 Mark spilled register in CHAIN's used_spill_regs element.
1064 Don't call spill_hard_reg.
1065 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
1066 Mark spilled hard regs in bad_spill_regs_global.
1067 Mark affected pseudos in spilled_pseudos, but don't spill them.
1068 (ior_hard_reg_set): New static function.
1069 (finish_spills): Return int. All callers changed.
1070 Compute spill_reg_order, n_spills and spill_regs here. Also update
1071 regs_ever_live for regs used as spills.
1072 For every pseudo in spilled_pseudos, spill it and mark the previous
1073 hard reg it had in pseudo_previous_regs. Compute which hard regs
1074 arseudo): New static function.
1075 (order_regs_for_reload): Take CHAIN arg. All callers changed.
1076 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
1077 hard registers explicitly used across the current insn into the set.
1078 Compute hard_reg_n_uses taking only pseudos live across this insn
1080 Tweak sorting of potential_reload_regs.
1081 (compare_spill_regs): Delete function.
1082 (reload_as_needed): Don't sort the spill_regs array, it's computed
1083 in proper order in finish_spills.
1084 Delete avoid_return_reg kludge.
1085 Delete code to manage basic_block_needs.
1086 (allocate_reload_reg): Minor speed/readability tweaks.
1087 Operate on elements of CHAIN instead of global variables.
1088 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
1089 Delete avoid_return_reg kludge.
1090 Initialize reload_reg_used from CHAIN's used_spill_regs element.
1091 Delete unused label FAIL.
1092 (reload_combine): Replce reload_address_index_reg_class with
1094 Don't use used_spill_regs to determine information about lifetime of
1097 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
1099 * toplev.c (display_help): Ignore empty target specific
1100 options, and if -W is also specified on the command line then
1101 display undocumented options.
1103 * config/arm/arm.c: Updated with changes in devo sources.
1104 * config/arm/arm.h: Updated with changes in devo sources.
1105 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
1106 * config/arm/lib1thumb.asm: Add ELF support.
1108 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1110 * collect2.c (aix64_flag): New variable.
1111 (main, case 'b'): Parse it.
1112 (GCC_CHECK_HDR): object magic number must match mode.
1113 (scan_prog_file): Only check for shared object if valid header.
1114 Print debugging if header/mode mismatch.
1116 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
1118 Added support for arm-elf-linux configuration, submitted by Philip
1119 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
1120 code developed by Catherine Moore <clm@cygnus.com>. The following
1123 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
1126 * configure: Regenerated.
1128 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
1129 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
1130 definitions conditional on their not having been already defined.
1132 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
1133 and .type directives, and add "(PLT)" qualification to function
1136 * config/arm/linux.h: Deleted. This file is now superceeded by
1137 either linux-elf.h or linux-aout.h.
1139 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
1140 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
1142 Move definitions from old linux.h file here.
1144 * config/arm/elf.h: New file. Generic ARM/ELF support.
1146 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
1148 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
1150 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
1151 using the 26bit APCS.
1153 * config/arm/unknown-elf.h: New file. Support for OS'es other
1154 than Linux with ELF.
1156 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
1159 * config/arm/coff.h: Include aout.h for basic assembler macros.
1160 Add support for -mstructure_size_boundary=<n> command line option.
1162 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
1163 command line option. Make macro definitions conditional on their
1164 not having been already defined.
1166 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
1167 command line option.
1170 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
1172 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
1173 has been changed to not include a newline. Use this macro instead.
1174 (output_enumeral_list, const_value_attribute, name_attribute,
1175 comp_dir_attribute, prototyped_attribute, producer_attribute,
1176 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
1177 dwarfout_file_scope_decl, generate_new_sfname_entry,
1178 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
1179 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
1181 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
1183 * combine.c (subst): Process the inputs to a parallel asm_operands
1186 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
1188 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
1190 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
1192 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
1194 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
1196 * version.c: Bump for snapshot.
1198 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1200 * stmt.c (expand_fixup): Set fixup->before_jump to a
1201 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
1203 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1205 * Makefile.in (recog.o): Depend on toplev.h.
1206 (insn-emit.o): Depend on recog.h.
1207 (insn-peep.o): Depend on recog.h and insn-config.h.
1209 * combine.c (simplify_set): Remove unused variable `scratches'.
1211 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
1212 and `idx' in macro conditional controlling their use.
1214 * genemit.c (main): Make the generated output file include
1215 recog.h. Don't have it declare `insn_operand_constraint', since
1216 we get it from recog.h.
1218 * genpeep.c (main): Make the generated output file include
1219 insn-config.h and recog.h.
1221 * recog.c: Include toplev.h.
1222 (extract_insn): Remove unused variable `p'.
1224 * regclass.c (fix_register): Add missing braces around initializer
1226 (allocate_reg_info): Move variable `i' into the scope where it is
1227 used. Change its type to `size_t'.
1229 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1231 * reload.c (push_reload): When merging reloads, make sure
1232 that reload_in_reg and reload_in are from the same reload in
1235 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
1237 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
1238 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1240 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
1242 * loop.c (loop_has_tablejump): New variable.
1243 (prescan_loop): Scan for it.
1244 (insert_bct): Replace explicit scan with use of it.
1245 * regclass.c (regclass): Restore loop variable j.
1246 (record_reg_classes): Deterine op_types modifiers and initialize
1247 classes[i] before matching constraints. Handle matching
1250 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
1252 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
1255 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1257 * mips.h (EXTRA_SPECS): Add missing initializers.
1259 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1261 * sparc.h (EXTRA_SPECS): Add missing initializers.
1262 (sparc_defer_case_vector): Provide a prototype.
1264 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
1265 comparing it to the result of a pointer subtraction.
1267 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1269 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
1270 the argument to (unsigned char).
1272 * alpha.h (EXTRA_SPECS): Add missing initializers.
1273 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
1276 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
1278 * flow.c (life_analysis_1): Enable "rescan" code after reload.
1279 (propagate_block): Delete dead code after reload.
1281 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
1282 back Oct 15, 1998 change.
1283 * haifa-sched.c (update_flow_info): Likewise.
1284 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
1286 * mn10200.md (truncated shift): Accept constant inputs too.
1288 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
1290 * machmode.h (mode_mask_array): No longer const.
1291 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
1293 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1295 * frame.c: Somewhat explain `FDE'.
1296 Suggested by Brendan Kehoe
1298 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1300 * expr.c (pending_chain): Move up.
1301 (save_expr_status): Do save pending_chain.
1302 (restore_expr_status): And restore it.
1303 * function.h (struct function): Add pending_chain.
1305 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1307 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
1308 did not match the code.
1310 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1312 * regclass.c (regclass): Break out some code into new function
1313 scan_one_insn, and into regclass_init.
1314 (init_cost): New static variable, moved out of regclass.
1315 (regclass_init): Initialize it here, not in .
1316 (scan_one_insn): New static function, broken out of regclass.
1317 * recog.c (apply_change_group): Break out some code into new
1318 function insn_invalid_p.
1319 (insn_invalid_p): New static fn, broken out of apply_change_group.
1321 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
1323 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
1324 reg_reloaded_contents matches incremented pseudo.
1326 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
1328 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1330 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
1331 addressing modes with side effects. These are currently
1332 placeholders for the C4x target.
1334 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1336 * loop.c (express_from): Make sure that when generating a PLUS of
1337 a PLUS, any constant expression appears on the outermost PLUS.
1339 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
1341 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
1342 works if "$(srcdir)" != ".".
1344 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
1346 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
1347 existing SUBREG if we can, otherwise abort.
1349 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
1351 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
1352 `restrict' is applied to a non-pointer variable.
1354 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
1356 * invoke.texi: Document -flang-isoc9x.
1358 * Makefile.in (OBJS): Add splay-tree.o.
1359 (c-common.o): Depend on rtl.h.
1360 (splay-tree.o): List dependencies and provide build rule.
1362 * rtl.h (record_alias_subset): New function.
1363 * alias.c: Include splay-tree.h.
1364 (alias_set_entry): New type.
1365 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
1366 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
1367 (mems_in_disjoin_alias_sets_p): New function.
1368 (alias_set_compare): Likewise.
1369 (insert_subset_children): Likewise.
1370 (get_alias_set_entry): Likewise.
1372 * tree.h (TYPE_RESTRICT): New macro.
1373 (TYPE_UNQUALIFIED): New manifest constant.
1374 (TYPE_QUAL_CONST): Likewise
1375 (TYPE_QUAL_VOLATILE): Likewise.
1376 (TYPE_QUAL_RESTRICT): Likewise.
1377 (tree_type): Add restrict_flag. Reduce count of free bits.
1378 (DECL_POINTER_ALIAS_SET): New macro.
1379 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1380 (tree_decl): Add pointer_alias_set.
1381 (build_qualified_type): New function.
1382 (build_type_variant): Define in terms of build_qualified_type.
1383 * tree.c (set_type_quals): New function.
1384 (make_node): Initializae DECL_POINTER_ALIAS_SET.
1385 (build_type_attribute_variant): Use build_qualified_type and
1387 (build_type_variant): Rename, and modify, to become...
1388 (build_qualified_type): New function.
1389 (build_complex_type): Use set_type_quals.
1391 * c-tree.h (C_TYPE_OBJECT_P): New macro.
1392 (C_TYPE_FUNCTION_P): Likewise.
1393 (C_TYPE_INCOMPLETE_P): Likewise.
1394 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1395 (c_apply_type_quals_to_decl): New function.
1396 (c_build_qualified_type): New function.
1397 (c_build_type_variant): Define in terms of c_build_qualified_type.
1398 (flag_isoc9x): Declare.
1399 * c-typeck.c (qualify_type): Use c_build_qualified_type.
1400 (common_type): Change to use TYPE_QUALS.
1401 (comptypes): Likewise.
1402 (convert_for_assignment): Likewise.
1403 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
1404 * c-decl.c (flag_isoc9x): Define.
1405 (c_decode_option): Handle -flang-isoc9x.
1406 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
1407 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
1408 * c-lex.c (init_lex): Deal with restrict.
1409 (init_lex): Don't treat restrict as a reserved word in
1410 -traditional mode, or without -flang-isoc9x.
1411 * c-lex.h (rid): Add RID_RESTRICT.
1412 * c-parse.gperf (restrict, __restrict, __restrict__): Make
1413 equivalent to RID_RESTRICT.
1414 * c-parse.in (TYPE_QUAL): Update comment.
1415 * c-common.c: Include rtl.h.
1416 (c_find_base_decl): New function.
1417 (c_build_type_variant): Rename, and modify, to become ...
1418 (c_build_qualified_type): New function.
1419 (c_apply_type_quals_to_decl): Likewise.
1420 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1421 a particular alias set for the reference.
1422 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1424 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1426 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1427 command line switches.
1429 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1431 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1434 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1436 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1438 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1440 * regclass.c (fix_register): Add error message.
1441 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1444 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1446 * c-decl.c (warn_missing_noreturn): New global variable.
1447 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1448 (finish_function): Implement missing noreturn warning.
1450 * c-tree.h (warn_missing_noreturn): Declare extern.
1452 * invoke.texi: Document new flags.
1454 * toplev.c (documented_lang_options): Add description.
1456 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1458 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1459 loop optimization stable for the C4x.
1460 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1461 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1462 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1464 (c4x_address_conflict): Be more paranoid when packing a volatile
1465 memref in a parallel load/store.
1467 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1469 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1470 repeat_block_filler): Deleted.
1471 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1472 Condition code not set if destination register from 'c' class.
1473 (*subbqi3_carry_clobber): Fix typo.
1475 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1477 * reorg.c (steal_delay_list_from_target) Check for insns that
1478 modify the condition codes and effect the direction of the jump
1481 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1483 * function.c (purge_addressof_1): Replace call to
1484 emit_insns_before() with emit_insn_before().
1486 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1488 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1490 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1492 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1494 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1496 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1497 clobbered across calls.
1499 * loop.c (scan_loop): Be more selective about what invariants are
1500 moved out of a loop.
1502 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1504 * version.c: Bump for snapshot.
1506 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1508 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1509 static eh_context structure.
1511 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1513 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1515 (try_combine): Don't update max_scratch.
1516 * flow.c (max_scratch, num_scratch): Delete variables.
1517 (life_analysis_1): Don't initialize max_scratch.
1518 (propagate_block): Don't update max_scratch.
1519 (mark_set_1): Don't increment num_scratch.
1520 * regs.h (max_scratch): Delete declaration.
1522 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1524 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1525 is nonzero. This is temporary!
1527 * sched.c (update_flow_info): Handle death notes made invalid by
1528 instruction splitting. Partially reverts Oct 15, 1998 patch.
1529 * haifa-sched.c (update_flow_info): Likewise.
1531 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1533 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1534 if it has a nonzero DECL_INITIAL.
1536 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1538 * Makefile.in (flow.o): Depend on recog.h.
1540 * cpplib.h (directive_table): Add missing initializiers.
1541 (finclude): Change type of variable `bsize' to size_t.
1543 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1545 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1547 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1548 `int' when comparing against one.
1549 (cpp_file_line_for_message): Mark parameter `pfile' with
1551 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1553 * flow.c: Include recog.h.
1554 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1556 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1557 `f' with ATTRIBUTE_UNUSED.
1558 (reposition_prologue_and_epilogue_notes): Likewise.
1560 * genopinit.c (gen_insn): Cast argument of ctype functions to
1563 * haifa-sched.c: Include recog.h.
1564 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1565 comparing against one.
1567 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1569 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1571 (parse_ent): Likewise.
1572 (parse_input): Likewise.
1574 * optabs.c (init_libfuncs): Likewise.
1576 * protoize.c (find_rightmost_formals_list): Likewise.
1578 * recog.h (const_double_operand): Fix typo in prototype.
1580 * tlink.c (scan_linker_output): Cast the argument of ctype
1581 function to `unsigned char'.
1583 * toplev.c (check_lang_option): Cast the result of `strlen' to
1584 `int' when comparing against one.
1586 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1588 * gcse.c (dump_cuid_table): Correct typo.
1590 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1592 * toplev.c (display_help): Prepend '-m' to target specific
1594 (check_lang_option): Ignore text after end of first word of a
1595 language specific option.
1597 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1599 * reload1.c (reg_used_by_pseudo): New static variable.
1600 (choose_reload_regs): Initialize it.
1601 Use it instead of testing spill_reg_order to determine whether a
1602 pseudo is live in a hard register across the current insn.
1603 Fix a typo in a reference to reload_reg_rtx.
1605 * flow.c (propagate_block): Replace code that computes and uses
1606 regs_sometimes_live with simpler code that just walks the set of
1607 currently live registers.
1609 * Makefile.in (insn-extract.o): Fix dependencies.
1610 * genextract.c (main): Generate includes for insn-config.h and
1612 Delete generation of declarations which are now in recog.h.
1613 * genrecog.c (main): Delete generation of definitions which are
1615 * local-alloc.c (block_alloc): Use extract_insn and the variables
1616 it sets up instead of looking up values by insn_code.
1617 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1618 recog_dup_num): Define here instead of generating the definition in
1620 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1621 recog_operand_mode, recog_constraints, recog_operand_address_p):
1623 (extract_insn): New function.
1624 * recog.h (extract_insn): Declare function.
1625 (which_alternative, recog_n_operands, recog_n_dups,
1626 recog_n_alternatives, recog_operand_mode, recog_constraints,
1627 recog_operand_address_p): Declare variables.
1628 * regclass.c (n_occurrences): New static function.
1629 * reload.c (n_occurrences): Delete function.
1630 (find_reloads): Use extract_insn.
1631 * reload.h (n_occurrences): Delete declaration.
1633 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1635 * reload1.c (reload_as_needed): Fix test for when to call
1636 update_eliminable_offsets.
1638 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1640 Fix consistency problems with reg_equiv_{mem,address};
1641 Improve reload inheritance;
1643 * reload.c (reload_out_reg): New variable.
1644 (loc_mentioned_in_p, remove_address_replacements): New functions.
1645 (remove_replacements): Deleted.
1646 (push_reload): Set reload_out_reg[i].
1647 When merging, also set reload_{in,out}_reg[i], and remove
1648 duplicate address reloads.
1649 (combine_reloads): Copy reload_out_reg[i].
1650 (find_reloads): Do make_memloc substitution also when
1651 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1653 Include *recog_operand_loc in commutativity operand changes.
1654 Generate optional output reloads.
1655 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1656 processing operands. Call make_memloc in reg_equiv_address code.
1657 Set *recog_operand_loc only after processing operands, and only
1658 if replace is true. Return a value.
1659 When changing address reload types for operands that didn't get
1660 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1661 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1662 Don't emit USEs for pseudo SUBREGs when not replacing.
1663 (find_reloads_address): Do make_memloc substitution also when
1664 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1666 (find_reloads_toplev): Likewise.
1667 Call make_memloc in reg_equiv_address code.
1668 (debug_reload_to_stream): Add code to output reload_out_reg.
1669 (make_memloc): Delete local variable i, ifdefed out code, and
1670 references to memlocs and n_memlocs.
1671 (memlocs, n_memlocs): Delete.
1672 (push_secondary_reload): Clear reload_out_reg.
1673 (find_reloads_address_1): Provide memrefloc argument to all calls
1674 to find_reloads_address.
1675 In AUTO_INC code, handle non-directly addressable equivalences properly.
1676 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1677 (find_reloads): Add return type.
1678 (remove_address_replacements, deallocate_reload_reg): Declare.
1679 * reload1.c (num_not_at_initial_offset): No longer static.
1680 (delete_address_reloads, delete_address_reloads_1): Likewise.
1681 (deallocate_reload_reg): New function.
1682 (spill_reg_stored_to): New array.
1683 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1684 (eliminate_regs_in_insn): Move assignments of previous_offset and
1685 max_offset fields, and recalculation of num_not_at_initial_offset
1686 into new static function:
1687 (update_eliminable_offsets) .
1688 (reload_as_needed): Call update_eliminable_offsetss after calling
1690 Call forget_old_reloads_1 with contents of reloaded auto_inc
1691 expressions if the actual addressing can't be changed to match the
1693 (choose_reload_regs): For inheritance, replace
1694 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1695 remove stand-alone reload_reg_used_at_all test.
1696 Use reload_out_reg to determine which reload regs have output reloads.
1697 Treat reload_override_in more similar to inherited reloads.
1698 Handle (subreg (reg... for inheritance.
1699 For flag_expensive_optimizations, add an extra pass to remove
1700 unnecessary reloads from known working inheritance.
1701 Delete obsolete code for pseudos replaced with MEMs.
1702 Handle inheritance from auto_inc expressions.
1703 (emit_reload_insns): If reload_in is a MEM, set OLD to
1705 Don't reload directly from oldequiv; if it's a pseudo with a
1706 stack slot, use reload_in[j].
1707 Check that reload_in_reg[j] is a MEM before replacing reload_in
1708 from reg_reloaded_contents.
1709 Include non-spill registers in reload inheritance processing.
1710 Also try to use reload_out_reg to set spill_reg_store /
1711 reg_last_reload_reg.
1712 In code to set new_spill_reg_store, use single_set to find out if
1713 there is a single set.
1714 Add code that allows to delete optional output reloads.
1715 Add code to allow deletion of output reloads that use no spill reg.
1716 At the end, set reload_override_in to oldequiv.
1717 Also call delete_output_reload if reload_out_reg is equal to old
1719 Add code to call delete_output_reload for stores with no matching load.
1720 Set / use spill_reg_stored_to.
1721 Handle case where secondary output reload uses a temporary, but
1722 actual store isn't found.
1723 When looking for a store of a value not loaded in order to call
1724 delete_output_reload, count_occurences should return 0 for no
1725 loads; but discount inherited input reloadill_reg_stored_to.
1726 Do checks for extra uses of REG. Changed all
1728 Use delete_address_reloads.
1729 (reload): Take return value of find_reloads into account.
1730 If a no-op set needs more than one reload, delete it.
1731 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1732 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1733 for the same operand.
1734 (clear_reload_reg_in_use): Check for other reloads that keep a
1736 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1737 RELOAD_FOR_OPADDR_ADDR.
1738 Take into account when an address address reload is only needed
1739 for the address reload we are considering.
1740 (count_occurrences): Use rtx_equal_p for MEMs.
1741 (inc_for_reload): Return instruction that stores into RELOADREG.
1742 New argument two, IN, and rtx. Changed all callers.
1743 (calculate_needs_all_insns, reload_as_needed):
1744 Don't clear after_call for a CLOBBER.
1745 Keep track of how many hard registers need to be copied from
1746 after_call, and don't clear after_call before we have seen
1747 that much copies, or we see a different instruction.
1749 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1751 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1752 after reload has completed.
1754 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1756 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1757 a macro name and the next token with a single blank if that whitespace
1758 is in a macro buffer and the next token is not '('.
1760 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1762 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1764 (skip_if_group): Ditto.
1765 (skip_to_end_of_comment): Ditto.
1767 (discard_comments): Ditto.
1768 (change_newlines): Ditto.
1770 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1772 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1774 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1776 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1777 (TARGET_OPTIONS): Add --help documentation.
1779 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1781 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1783 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1785 * fixinc/* Moved in from ../contrib directory in preparation
1786 for integrating it into the normal build process. In particular,
1787 fixinc/Makefile.in must be config-ed into the build directory
1788 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1789 ./configure.in will be "in the mail" momentarily.
1791 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1793 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1794 accidently walk into the free list. Comment how that can happen.
1795 (invalidate): Fix indentation.
1797 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1798 Jeffrey A Law (law@cygnus.com)
1800 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1801 reload. Never perform rescans of the insn chain after reload.
1802 (propagate_block): Do not delete insn or create new autoinc addressing
1805 * jump.c (jump_optimize): Unconditionally use the code that was
1806 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1807 * reload1.c (reload): When reloading is finished, delete all
1808 REG_DEAD and REG_UNUSED notes.
1809 (emit_reload_insns): Delete all code that was conditional on
1810 PRESERVE_DEATH_INFO_REGNO_P.
1811 (no_longer_dead_regs): Delete variable.
1812 (reload_cse_delete_death_notes): Delete function.
1813 (reload_cse_no_longer_dead): Delete function.
1814 (reload_cse_regs_1): Delete all code to handle deletion of death
1816 (reload_cse_noop_set_p): Likewise.
1817 (reload_cse_simplify_set): Likewise.
1818 (reload_cse_simplify_operands): Likewise.
1819 (reload_cse_move2add): Likewise.
1820 * reorg.c (used_spill_regs): Delete declaration.
1821 (max_label_num_after_reload): Delete declaration.
1822 (find_dead_or_set_registers): Don't assume that spill regs are
1823 dead at a CODE_LABEL.
1824 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1826 * sched.c (sched_analyze_insn): Likewise.
1827 (update_flow_info): Likewise.
1828 * haifa-sched.c (sched_analyze_insn): Likewise.
1829 (update_flow_info): Likewise.
1830 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1831 * toplev.c (max_label_num_after_reload): Delete variable.
1832 (rest_of_compilation): Don't set max_label_num_after_reload.
1833 Call life_analysis after reload_cse_regs if optimizing.
1834 * config/gmicro/gmicro.h: Delete comment referring to
1835 PRESERVE_DEATH_INFO_REGNO_P.
1836 * config/i386/i386.h: Likewise.
1837 * config/m88k/m88k.h: Likewise.
1838 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1839 * config/sh/sh.h: Likewise.
1841 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1843 * loop.c (strength_reduce): Restore marking bct_p as
1845 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1846 HAVE_decrement_and_branch_on_count.
1847 (small_data_operand): Remove TARGET_ELF condition for marking
1848 parameters ATTRIBUTE_UNUSED.
1850 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1852 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1853 (SELECT_SECTION): Resync with svr4.h.
1855 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1857 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1860 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1862 * c-pragma.c (handle_pragma_token): Test for null tree before
1863 dereferencing TREE_CODE.
1865 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1867 * config/c4x/c4x.c: Convert to use GEN_INT.
1868 (c4x_parallel_process): Rework to handle new repeat loop structure.
1870 * config/c4x/c4x.md: Convert to use GEN_INT.
1871 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1872 (decrement_and_branch_on_count): Likewise.
1874 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1875 loop.c has the desired functionality.
1876 (rc_reg_operand): New prototype.
1878 * config/c4x/t-c4x: Can now build all front ends.
1880 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1882 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1884 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1886 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1887 * config/t-rtems: Do not install assert.h -- use newlib's.
1889 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1891 * combine.c (combine_instructions): When finished, call init_recog.
1892 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1894 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1896 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1898 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * cppalloc.c (memory_full): Mark function prototype with
1903 * demangle.h (collect_exit): Likewise.
1905 * fix-header.c (v_fatal, fatal): Likewise.
1907 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1910 * gcov.c (print_usage): Likewise.
1912 * genattr.c (fatal, fancy_abort): Likewise.
1914 * genattrtab.c (fatal, fancy_abort): Likewise.
1916 * gencodes.c (fatal, fancy_abort): Likewise.
1918 * genconfig.c (fatal, fancy_abort): Likewise.
1920 * genemit.c (fatal, fancy_abort): Likewise.
1922 * genextract.c (fatal, fancy_abort): Likewise.
1924 * genflags.c (fatal, fancy_abort): Likewise.
1926 * genopinit.c (fatal, fancy_abort): Likewise.
1928 * genoutput.c (fatal, fancy_abort): Likewise.
1930 * genpeep.c (fatal, fancy_abort): Likewise.
1932 * genrecog.c (fatal, fancy_abort): Likewise.
1934 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1935 __sjpopnthrow, __throw): Likewise.
1937 * objc/objc-act.c (objc_fatal): Likewise.
1939 * protoize.c (usage, aux_info_corrupted,
1940 declare_source_confusing): Likewise.
1942 * rtl.c (dump_and_abort): Likewise.
1944 * rtl.h (sets_cc0_p): Likewise.
1946 * toplev.c (float_signal, pipe_closed): Likewise.
1948 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1950 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1951 when generating the decision tree for the general case.
1953 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1954 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1956 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1958 * Makefile.in (sched.o): Depend on recog.h.
1960 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1961 (unsigned) when comparing against one.
1962 (find_base_value): Likewise.
1963 (record_base_value): Cast variable `regno' to (unsigned) when
1964 comparing against one. Cast the result of REGNO() macro to
1965 (unsigned) when comparing against one.
1966 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1968 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1969 variable where an unsigned index is needed.
1971 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1972 before comparing against one.
1974 * collect2.c: Add prototypes for functions `error', `fatal' and
1975 `fatal_perror'. Make these functions take variable arguments
1976 instead of faking it with a fixed number of args.
1977 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1980 * combine.c (can_combine_p): Mark parameter `pred' with
1982 (find_split_point): Cast variable `src' to (unsigned
1983 HOST_WIDE_INT) when comparing against one.
1984 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1985 (simplify_logical): Likewise.
1986 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1987 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1988 HOST_WIDE_INT) in shift.
1989 (simplify_and_const_int): Cast result of INTVAL() macro to
1990 `unsigned HOST_WIDE_INT' when comparing against one.
1991 (merge_outer_ops): Cast variable const0 to `unsigned
1992 HOST_WIDE_INT' when comparing against the result of
1993 GET_MODE_MASK() macro.
1994 (simplify_comparison): Likewise for variable `c0'. Cast variable
1995 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1996 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1997 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1998 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1999 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
2000 comparing against one.
2001 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
2003 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
2004 macro to `unsigned HOST_WIDE_INT' when comparing against one.
2005 (output_block_move): Cast `sizeof' expression to (int) when
2006 comparing against one.
2007 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
2009 (save_restore_insns): Cast `base_offset' to `long' to match format
2010 specifier in fprintf.
2012 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
2013 to `enum machine_mode'.
2015 * flow.c (life_analysis_1): Remove unused variable `insn'.
2017 * gcc.c (translate_options): Move variables `j' and `k' into the
2018 scope in which they are used. Change their types to `size_t'.
2019 (set_spec): Cast the argument of ctype macro to `unsigned char'.
2020 (read_specs): Likewise.
2021 (process_command): Cast `sizeof' to (int) when comparing against one.
2022 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
2023 (handle_braces): Cast both sides of `==' expression to `long' to
2024 ensure sign matching.
2025 (main): Cast variable `i' to `int' when comparing against one.
2027 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
2028 int to size_t. Cast variable `i' to size_t when comparing against
2031 * genattrtab.c (convert_set_attr_alternative): Remove unused
2032 parameter `insn_code'. All callers changed.
2033 (convert_set_attr): Likewise.
2035 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
2036 size_t when comparing against one. Likewise for variable `len'.
2038 * global.c (global_alloc): Cast variable `max_regno' to size_t
2039 when comparing against one. Likewise for variable `max_allocno'.
2041 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
2043 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
2044 `set' with ATTRIBUTE_UNUSED.
2045 (find_free_reg): Cast `sizeof' expression to (int) when comparing
2048 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
2049 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
2050 (get_condition): Cast variable `const_val' to `unsigned
2051 HOST_WIDE_INT' when comparing against one. Cast unsigned
2052 expression to HOST_WIDE_INT when comparing against one.
2053 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
2054 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
2055 `unsigned' when comparing against one.
2057 * protoize.c (is_id_char): Change type of parameter `ch' to
2059 (munge_compile_params): Cast argument of ctype macro to (const
2061 (process_aux_info_file): Cast variable `aux_info_size' to int when
2062 comparing against one.
2063 (forward_to_next_token_char): Cast argument of ctype macro to
2064 `const unsigned char'.
2065 (edit_formals_lists): Likewise.
2066 (find_rightmost_formals_list): Likewise.
2067 (add_local_decl): Likewise.
2068 (add_global_decls): Likewise.
2069 (edit_fn_definition): Likewise.
2070 (do_cleaning): Likewise.
2071 (scan_for_missed_items): Likewise.
2072 (edit_file): Cast variable `orig_size' to (int) when comparing
2074 (main): Cast argument of ctype macro to `const unsigned char'.
2076 * recog.c (const_int_operand): Mark parameter `mode' with
2079 * regclass.c (record_reg_classes): Change type of variable `c' to
2080 `unsigned char'. Cast `char' array index to `unsigned char'.
2082 * reload.c (push_secondary_reload): Cast argument to
2083 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
2085 * reload1.c (calculate_needs): Cast `char' array index to
2087 (set_label_offsets): Change type of variable `i' to unsigned int.
2088 Cast result of XVECLEN() macro to unsigned when comparing against
2090 (mark_not_eliminable): Change type of variable `i' to unsigned.
2091 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
2092 when comparing against one.
2093 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
2094 comparing against one.
2095 (choose_reload_regs): Hide unused label `fail'.
2096 (reload_cse_simplify_operands): Cast `char' array index to
2098 (reload_combine_note_store): Mark parameter `set' with
2099 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
2101 (reload_cse_move2add): Remove unused variable `src2'.
2103 * sched.c: Include recog.h.
2104 (sched_note_set): Remove unused parameter `b'. All callers
2106 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
2107 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
2108 when comparing against one.
2110 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
2111 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
2112 comparing against one.
2114 * unroll.c (precondition_loop_p): Remove unused parameter
2115 `loop_end'. All callers changed.
2117 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2119 * reload1.c (maybe_fix_stack_asms): New static function.
2122 * reload.h (compute_use_by_pseudos): Declare.
2124 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
2125 (something_needs_reloads): Delete variable.
2126 (finish_spills): New function.
2127 (compute_use_by_pseudos): New function.
2129 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
2130 Use the reload_insn_chain instead of walking the rtl directly.
2132 (reload): Allocate and free spilled_pseudos.
2133 Ensure that all calls of spill_hard_reg are followed by a call to
2135 Use the insns_need_reload list instead of something_needs_reloads
2136 to find out if reload_as_needed must be called.
2137 Clear unused_insn_chains at the end.
2139 (calculate_needs_all_insns): Lose FIRST parameter. All callers
2141 Delete code to keep track of current basic block.
2142 Walk reload_insn_chain instead of the rtl structure. Build the
2143 insns_need_reload chain.
2144 Remember which insns need reloading/elimination by setting the
2145 appropriate fields in struct insn_chain, not by putting modes on the
2148 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
2149 arg INSN. All callers changed.
2150 Delete declaration of struct needs.
2151 Don't set something_needs_reloads.
2152 Record insn needs in the CHAIN argument.
2154 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
2156 (reload_as_needed): Lose FIRST arg. All callers changed.
2157 Walk the reload_insn_chain instead of the rtx structure.
2158 Delete code to keep track of current basic block.
2159 Rename one of the NEXT variables to OLD_NEXT.
2161 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
2163 (choose_reload_regs): Likewise.
2165 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
2168 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
2169 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
2170 (hard_regs_live, hard_regs_need_restore): Delete variables.
2171 (n_regs_saved): Now static.
2172 (referenced_regs, this_insn_sets): New variables.
2174 (setup_save_areas): Restructure the code a bit.
2176 (restore_referenced_regs): Delete function.
2177 (mark_referenced_regs): New function, similar to the old
2178 restore_referenced_regs, but mark registers in referenced_regs.
2180 (clear_reg_live): Delete function.
2181 (mark_set_regs): Renamed from set_reg_live. All callers changed.
2182 Only mark registers in this_insn_sets.
2184 (save_call_clobbered_regs): Rework this function to walk the
2185 reload_insn_chain instead of using the list of instructions directly.
2186 Delete code to keep track of register lives, compute live regs on the
2187 fly from information in the chain.
2188 Instead of calling restore_referenced_regs, use mark_referenced_regs,
2189 then walk the set it computes and call insert_restore as appropriate.
2191 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
2193 Restructure the code a bit. Test hard_regs_saved instead of
2194 hard_regs_need_restore.
2195 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
2196 args. All callers changed.
2197 Restructure the code a bit. Use TO_SAVE to determine which regs to
2198 save instead of more complicated test.
2199 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
2201 Create a new insn_chain structure for the new insn and place it
2204 * rtl.texi: Update documentation to reflect that reload no longer
2205 puts modes on the insns.
2207 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2209 * function.c (purge_addressof_1): Force the first argument of a
2210 CALL insn to memory.
2212 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
2214 * rtl.h: Delete duplicate prototypes. Add some missing
2216 * rtlanal.c: (for_each_rtx): Formatting tweak.
2218 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2220 * real.c (emdnorm and etoasc): Disable round to even for c4x target
2221 to be compatible with TI compiler.
2223 * Makefile.in (USER_H): Add va-c4x.h to definition.
2225 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
2227 * function.c (purge_addressof_1): Fix typo in inequality: do
2228 bitfield optimization for equal mode sizes.
2229 * expmed.c (store_bit_field): Don't take subregs of subregs in
2230 the movstrict case. Tidy a potential problem in the multi-word case.
2231 (extract_bit_field): Likewise.
2233 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2235 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
2237 Compute max_uid_for_flow by calling get_max_uid after the scan.
2238 (find_basic_blocks_1): Don't emit NOPs here.
2240 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
2242 * alias.c (base_alias_check): Accept new args for the modes of the
2243 two references. Use them to determine if an AND can overlap. Update
2245 (memrefs_conflict_p): Assume sizes are aligned, and uses them
2246 to determine if an AND can overlap.
2248 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
2250 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
2251 check. Add comment to document problems with TARGET_SUN_FPA version
2253 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
2255 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2257 * Makefile.in (gencheck.o): Depend on gansidecl.h.
2259 * c-common.c (print_char_table): Add missing initializers.
2260 (scan_char_table): Likewise.
2261 (time_char_table): Likewise.
2263 * c-decl.c (c_decode_option): Mark parameter `argc' with
2265 (declare_parm_level): Mark parameter `definition_flag' with
2268 * c-lex.c (readescape): Use `(unsigned)1' in shift.
2269 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
2272 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
2274 (emit_call_1): Mark parameters `fndecl' and `funtype' with
2276 (expand_call): Cast result of MIN() to (unsigned int) when
2277 comparing against an unsigned value.
2279 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
2281 (make_definition): Remove unused parameter `op'. All callers
2283 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
2284 comparing against the result of pointer arithmetic.
2286 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
2287 when comparing against one.
2289 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
2290 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
2292 (output_die): Move variable `i' into the scope in which it is
2293 used. Change its type to `unsigned'.
2294 (output_die): Cast the result of `strlen' to (int) when passing it
2295 to ASM_OUTPUT_ASCII().
2296 (output_pubnames): Likewise.
2297 (output_line_info): Likewise.
2299 * emit-rtl.c (global_rtl): Add missing initializers.
2301 * explow.c (promote_mode): Mark parameter `for_call' with
2304 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
2305 `unsigned HOST_WIDE_INT' when comparing against one.
2306 (synth_mult): Change type of variable `cost' to int.
2307 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
2309 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
2310 when comparing against one.
2311 (get_inner_reference): Change variable `alignment' to unsigned.
2312 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
2313 int) when comparing against one.
2314 (expand_builtin_setjmp): Change type of variable `i' to size_t.
2316 * fold-const.c (div_and_round_double): Cast BASE to
2317 (HOST_WIDE_INT) when comparing against one.
2319 * gencheck.c: Include gansidecl.h.
2320 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
2322 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
2323 `tcode' with ATTRIBUTE_UNUSED.
2325 * real.c (edivm): Cast constant value to (unsigned long) in
2326 expression compared against an unsigned value.
2328 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
2329 comparing against one.
2330 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
2331 when comparing against one.
2333 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
2334 (unsigned int) when comparing against one. Likewise for
2336 (smallest_mode_for_size): Likewise.
2337 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
2338 (restore_storage_status): Likewise.
2340 * toplev.c (debug_args): Add missing initializer.
2341 (f_options): Spelling correction. Add missing initializers.
2342 (documented_lang_options): Likewise.
2343 (debug_end_source_file): Mark parameter `lineno' with
2346 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
2347 `decl' and `type' with ATTRIBUTE_UNUSED.
2349 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
2350 when comparing against one.
2351 (assemble_variable): Mark parameter `top_level' with
2353 (assemble_external_libcall): Mark parameter `fun' with
2355 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
2358 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
2360 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
2361 Replace use of r5 with use of r19.
2363 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
2365 * config/v850/v850.c (compute_register_save_size): Allow for the
2366 fact that helper functions save all registers, not just those used
2369 Replace constant 31 with macro LINK_POINTER_REGNUM.
2371 * config/v850/v850.md: Use 'indirect_operand' rather than
2372 'memory_operand' for bit test/set/clear patterns.
2374 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
2376 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
2377 * varasm.c (assemble_start_function et al): Don't call
2378 ASM_GLOBALIZE_LABEL for weak symbols.
2380 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
2382 * cse.c (equiv_constant): Check for NULL return from
2383 gen_lowpart_if_possible().
2385 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
2387 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
2389 * collect2.c (main): Pass -EL/-EB through to the compiler.
2391 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2393 * expr.c (push_block): Handle targets where the stack grows
2394 to higher addresses, but args grow to lower addresses and
2395 ACCUMULATE_OUTGOING_ARGS is not defined.
2397 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
2399 * config/v850/v850.c (print_operand): Extend meaning
2400 of 'c' operands to support .vtinherit.
2402 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2404 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
2405 Added ATTRIBUTE_UNUSED to unused function arguments.
2406 (rc_reg_operand): New predicate.
2407 (c4x_rptb_insert): New function.
2408 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
2409 (c4x_optimization_options): New function.
2411 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
2412 (decrement_and_branch_on_count): New pattern.
2413 (rptb_top): Modified pattern to work with BCT optimization.
2415 * config/c4x/c4x.h (RC_REG): New register class.
2416 (rc_reg_operand): Define prototype.
2417 (IS_RC_REG): New macro.
2418 (IS_RC_OR_PSEUDO_REG): New macro.
2419 (IS_RC_OR_PSEUDO_REGNO): New macro.
2420 (OPTIMIZATION_OPTIONS): Define.
2422 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2424 * collect2.c (extract_init_priority): No priority is 65535.
2426 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2428 * Makefile.in (build_tooldir): new variable, same as old
2429 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2430 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2431 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2433 * configure.in (gxx_include_dir): set default based on unlibsubdir
2434 * Makefile.in (tooldir): ditto
2435 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2436 gxx_include_dir, includedir and tooldir
2437 (protoize.o, unprotoize.o): ditto
2439 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2441 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2443 * config/arm/thumb.c (thumb_override_options): Add warning about
2444 PIC code not being supported just yet.
2446 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2448 * flow.c: Update comment.
2449 (notice_stack_pointer_modification): New static function.
2450 (record_volatile_insns): Use it.
2451 (mark_regs_live_at_end): Mark the stack pointer as alive
2452 at the end of the function if current_function_sp_is_unchanging
2454 (life_analysis_1): Set current_function_sp_is_unchanging.
2455 * function.c: Define it.
2456 (init_function_start): Initialize it.
2457 * output.h: Declare it.
2458 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2459 the stack pointer as alive at the end of the function if
2460 current_function_sp_is_unchanging is set.
2461 * i386.c (ix86_epilogue): Optimize the restoring
2462 of the stack pointer.
2464 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2466 * version.c: Bump for snapshot.
2468 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2470 * c-pragma.c (handle_pragma_token): If passed a token instead
2471 of a tree, use that as the pack value.
2473 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2475 * flow.c (find_basic_blocks_1): Fix prototype.
2477 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2479 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2480 (struct tree_decl): New fields no_check_memory_usage.
2481 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2482 (init_attributes): Register it as a new attribute.
2483 (decl_attributes): Set flags on functions given that attribute.
2484 * c-decl.c (duplicate_decls): Merge new attribute.
2485 * expr.h (current_function_check_memory_usage): Declare new var.
2486 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2487 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2488 current_function_check_memory_usage.
2489 * function.h: Add field to struct function.
2490 * function.c (current_function_check_memory_usage): Define it.
2491 (push_function_context_to, pop_function_context_from): Save and
2493 (expand_function_start): Set it, based on global flag and function
2496 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2497 check non-automatic variables, to permit detection of writes to
2498 read-only locations in embedded systems without memory management.
2499 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2500 when emitting chkr_set_right_libfunc call, even if the argument is
2501 BLKmode or variable-sized; don't abort.
2503 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2504 symbols in Pmode, not VOIDmode.
2506 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2508 * cppexp.c: When forcing unsigned comparisons, cast both sides
2511 * cpphash.h: Move static declaration of hashtab[]...
2512 * cpphash.c: ...here.
2514 * cpplib.c: Cast difference of two pointers to size_t before
2515 comparing it to size_t. Cast signed to unsigned
2516 before comparing to size_t. (FIXME: struct argdata should use
2517 unsigned buffer sizes.)
2518 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2519 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2520 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2521 size_t before comparison.
2523 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2525 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2526 (find_basic_blocks_1): Similarly.
2527 * output.h (find_basic_blocks): Fix prototype.
2528 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2529 find_basic_blocks anymore.
2531 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2533 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2534 (sbitmap_free, sbitmap_vector_free): New macros.
2535 * output.h (rtl_dump_file): Declare.
2537 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2539 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2541 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2543 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2545 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2546 (divide): Remove unused variable `tmp'.
2547 (si_to_float): Cast numeric constant to (SItype) before comparing
2550 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2552 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2553 * gcc.c (add_preprocessor_option): Correct typo when allocating
2554 memory, sizeof() argument had one too many `*'.
2555 (add_assembler_option): Likewise.
2556 (add_linker_option): Likewise.
2557 * gcov.c (output_data): Likewise.
2558 * local-alloc.c (memref_used_between_p): Likewise.
2559 (update_equiv_regs): Likewise.
2560 * loop.c (strength_reduce): Likewise.
2561 * reg-stack.c (record_asm_reg_life): Likewise.
2562 (subst_asm_stack_reg): Likewise.
2563 * reorg.c (dbr_schedule): Likewise.
2565 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2567 * flow.c (life_analysis_1): Break out some functions.
2568 (find_basic_blocks_1): Likewise. Also move some variables out and
2570 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2571 new static var nonlocal_label_list with it.
2572 (active_eh_region, nested_eh_region, label_value_list,
2573 nonlocal_label_list): New static variables.
2574 (make_edges, delete_unreachable_blocks, delete_block): New static
2575 functions, broken out of find_basic_blocks_1.
2576 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2577 noop_move_p): New static functions, broken out of life_analysis_1.
2579 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2581 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2582 Take extra care for op0 now possibly being a subreg.
2583 (extract_bit_field): Likewise.
2584 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2585 the reg to memory if there is no equal sized integral mode.
2586 * stor-layout.c (int_mode_for_mode): New function.
2587 * machmode.h: Prototype it.
2589 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2591 * global.c (build_insn_chain): Verify no real insns exist past the
2592 end of the last basic block, then exit the loop.
2594 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2596 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2598 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2600 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2602 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2604 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2606 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2608 * flow.c (find_basic_blocks): Correctly determine when a call
2609 is within an exception region.
2611 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2613 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2615 * cpplib.h: Protect from multiple inclusions.
2616 * cpplib.c: Fix minor formatting problems.
2618 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2620 * jump.c (jump_optimize): Revert accidental patch.
2622 * Makefile.in (cpplib.o): Use unlibsubdir.
2624 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2626 * loop.c (get_condition): Allow combine when either compare is
2629 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2631 * version.c: Bump for snapshot.
2633 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2635 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2636 (init_lex): Initialize ridpointers[RID_BYREF].
2637 * c-lex.h (enum rid): Add RID_BYREF.
2638 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2639 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2640 (encode_type_qualifiers): Similarly
2641 * c-gperf.h: Rebuilt.
2643 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2645 * c-common.c (type_for_mode): Only return TItype nodes when
2646 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2647 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2648 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2649 (init_decl_processing): Only create TItype nodes when
2650 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2651 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2652 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2654 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2656 * stmt.c (n_occurrences): New static function.
2657 (expand_asm_operands): Verify that all constrains match in the
2658 number of alternatives.
2659 Verify that '+' or '=' are at the beginning of an output constraint.
2660 Don't allow '&' for input operands.
2661 Verify that '%' isn't written for the last operand.
2662 * reload.c (find_reloads): Abort if an asm is found with invalid
2663 constraints; all possible problems ought to be checked for earlier.
2665 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2667 * flags.h (flag_branch_on_count_reg): Always declare
2668 * toplev.c (flag_branch_on_count_reg): Likewise.
2669 * toplev.c: Fix typos.
2671 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2674 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2676 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2678 (find_basic_blocks_1): Add a nop to the end of a basic block when
2679 a trailing call insn does not have abnormal control flow.
2680 * gcse.c (pre_transpout): New variable.
2681 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2682 (compute_pre_transpout): Calculate it.
2683 (compute_pre_ppinout): Use it to eliminate impossible placements
2684 due to abnormal control flow through calls.
2685 (compute_pre_data): Call compute_pre_transpout.
2687 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2689 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2691 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2693 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2694 and matching define_insns): Tack on a `use' of the table label, so
2695 flow analysis will recognize a tablejump.
2697 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2699 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2700 always end basic blocks for abnormal edge reasons.
2702 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2704 * config/i386/i386.h: Remove definition of
2705 HANDLE_PRAGMA_PACK_PUSH_POP.
2707 * config/i386/go32.h: Add definition of
2708 HANDLE_PRAGMA_PACK_PUSH_POP.
2710 * config/i386/win32.h: Add definition of
2711 HANDLE_PRAGMA_PACK_PUSH_POP.
2713 * config/i386/cygwin32.h: Add definition of
2714 HANDLE_PRAGMA_PACK_PUSH_POP.
2716 * c-pragma.c (insert_pack_attributes): Do not insert
2717 attributes unless #pragma pack(push,<n>) is in effect.
2719 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2721 * expr.c (emit_group_store): Handle a PARALLEL destination.
2723 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2725 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2726 the new insns before the argument regs are loaded.
2728 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2730 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2731 (c-parse.gperf): Update comments describing invocation flags.
2732 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2734 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2736 * reload1.c (reload): Call free before clobbering the memory
2737 locations or constants pointers.
2739 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2741 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2742 for efficiency by checking whether we need to modify the current
2743 stack permission at all.
2744 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2745 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2746 __enable_execute_stack libcall here too if
2747 TRANSFER_FROM_TRAMPOLINE is defined.
2748 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2751 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2753 * Makefile.in (DRIVER_DEFINES): Remove last change.
2755 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2757 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2758 insns we're going to copy.
2759 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2761 * loop.c (count_one_set): Add prototype.
2763 * caller-save.c (restore_referenced_regs): Lose mode argument.
2764 (insert_save): Lose mode argument.
2765 (insert_restore): Lose mode argument.
2766 (insert_one_insn): Lose mode argument.
2767 (save_call_clobbered_regs): Lose mode argument.
2768 (setup_save_areas): Take no argument and return void. All callers
2770 Don't verify validity of memory addresses.
2771 * reload.h (setup_save_ares): Adjust prototype.
2772 (save_call_clobbered_regs): Likewise.
2773 * reload1.c (delete_caller_save_insns): New function.
2774 (caller_save_spill_class): Delete variable.
2775 (caller_save_group_size): Delete variable.
2776 (reload): Call setup_save_areas and save_call_clobbered_regs
2777 in the main loop, before calling calculate_needs_all_insns.
2778 Don't call save_call_clobbered_regs after the loop.
2779 Call delete_caller_save_insns at the end of an iteration if
2781 Delete code to manage caller_save_spill_class.
2782 Emit the final note before setting reload_first_uid.
2783 Simplify test that determines whether reload_as_needed gets run.
2784 (calculate_needs): Delete code to manage caller_save_spill_class.
2786 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2788 * collect2.c (main): Initialize ld_file_name.
2790 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2792 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2793 check for flag_function_sections.
2795 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2797 * cse.c (insert_regs): Fix bug in Sep 24 change.
2799 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2801 * flags.h (flag_dump_unnumbered): Declare.
2802 * toplev.c (flag_dump_unnumbered): Don't declare.
2803 * print-rtl.c (flags.h): Include.
2804 (print_rtl_single): Add return value.
2805 * rtl.h (print_rtl_single): Update declaration.
2806 * flow.c (flag_dump_unnumbered): Don't declare.
2807 (print_rtl_with_bb): Use return value of print_rtl_single.
2809 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2811 * loop.c (count_one_set): New static function, broken out of
2813 (count_loop_regs_set): Call it.
2814 * global.c (mark_reg_store): Handle clobbers here by not calling
2816 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2817 is in fact a clobber.
2818 * integrate.c (process_reg_param): New function, broken out of
2819 expand_inline_function.
2820 (expand_inline_function): Call it.
2823 * i386.md (addsidi3_1): Delete unused variable temp.
2824 (addsidi3_2): Likewise.
2825 (clstrstrsi): Delete unused variable addr1.
2827 * rtl.h: Don't declare any functions also declared in recog.h.
2829 * Makefile.in (stupid.o): Update dependencies.
2830 (global.o): Likewise.
2832 * global.c: Include reload.h
2833 (reg_becomes_live): New function.
2834 (reg_dies): New function.
2835 (build_insn_chain): New function.
2836 (global_alloc): Call build_insn_chain before calling reload.
2838 * reload.h (struct needs): New structure definition.
2839 (struct insn_chain): Likewise.
2840 (reload_insn_chain): Declare variable.
2841 (new_insn_chain): Declare function.
2844 * reload1.c (reload_startobj): New variable.
2845 (reload_insn_chain): New variable.
2846 (unused_insn_chains): New variable.
2847 (new_insn_chain): New function.
2848 (init_reload): Initialize reload_startobj, not reload_firstobj.
2849 (reload): Initialize reload_firstobj.
2850 Before returning, free everything on the reload_obstack.
2852 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2853 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2854 current_chain): New variables.
2855 (reg_where_born): Delete variable.
2856 (REG_WHERE_BORN): New macro.
2857 (find_clobbered_regs): New function.
2858 (stupid_life_analysis): Don't allocate/free reg_where_born.
2859 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2860 reg_where_dead_chain.
2861 Use REG_WHERE_BORN instead of reg_where_born.
2862 While processing the insns, build the reload_insn_chain with
2863 information about register lifetimes.
2864 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2865 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2867 Compute and information about birth and death of pseudo registers in
2868 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2869 Delete code to set elements of reg_where_born.
2871 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2873 * tree.def (GOTO_EXPR): Modified documentation.
2874 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2877 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2879 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2880 loop_final_value, loop_comparison_code): No longer static.
2881 (unroll_loop): Delete loop_start_value update.
2882 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2883 loop_final_value, loop_comparison_code): Extern.
2884 (loop_start_value): Delete extern.
2885 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2886 loop_comparison_value, loop_comparison_code): Delete.
2887 (loop_optimize): Remove initialization for deleted variables.
2888 (strength_reduce): Delete analyze_loop_iterations call. Only call
2889 insert_bct if flag_branch_count_on_reg set.
2890 (analyze_loop_iterations): Delete.
2891 (insert_bct): Remove iteration count calculation. Move checks for
2892 viable BCT optimization to here. Obtain iteration count from
2893 loop_iterations and correct for unrolling. Check for enough
2894 iteration to be beneficial. Comment out runtime iteration count
2896 (insert_bct): Print iteration count in dump file. Remove
2897 loop_var_mode and use word_mode directly.
2899 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2900 * rs6000.c (rs6000_override_options): Use it.
2901 (optimization_options): Enable use of flag_branch_on_count_reg.
2902 * rs6000.md (define_function_unit): Describe 604e.
2904 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2906 * loop.c (move_movables): Corrected threshold calculation for
2907 moved_once registers.
2909 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2911 * loop.c (combine_givs_p): Fix test for identical givs.
2913 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2915 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2916 call abort if the function is already defined.
2918 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2920 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2921 truncation is not a no-op.
2923 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2925 * version.c: Bump for snapshot.
2927 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2929 * version.c: Bump for snapshot.
2931 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2933 * expmed.c (expand_divmod): Don't widen for computing remainder
2934 if we seem to have a divmod pattern for needed mode.
2936 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2938 * cpplib.c (macroexpand): Correct off-by-one error in handling
2941 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2943 * combine.c (expand_field_assignment): Don't do bitwise operations
2944 on MODE_FLOAT; pun to MODE_INT if possible.
2946 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2947 scott snyder <snyder@d0sgif.fnal.gov>
2949 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2950 linker. Recognize mangled names in quotes.
2952 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2954 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2955 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2956 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2957 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2959 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2961 * function.c (purge_addressof_1): If trying to take a sub-word
2962 integral piece of a floating point mode, put it on the stack.
2964 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2966 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2968 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2970 * PROJECTS: Remove template friends.
2972 * collect2.c (sort_ids): Remove unused variable.
2974 * tm.texi (MATH_LIBRARY): Document.
2975 (NEED_MATH_LIBRARY): Remove.
2977 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2978 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2980 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2982 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2983 last_end to 0x7fffffff.
2985 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2987 * function.c (purge_addressof_1): Do not perform endianness
2988 corrections on bitpos, who we call will do it for us.
2990 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2992 * h8300.c (WORD_REG_USED): Fix typo.
2993 (initial_offset): Use WORD_REG_USED.
2995 * h8300.c (handle_pragma): Fix typo.
2997 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2999 * caller-save.c (insert_save_restore): Break this function up
3000 into new functions insert_restore, insert_save and insert_one_insn.
3001 All callers changed.
3002 (insert_restore): New function, mostly broken out of
3003 insert_save_restore.
3004 (insert_save): Likewise.
3005 (insert_one_insn): Likewise.
3006 (restore_referenced_regs): New argument BLOCK. All callers changed.
3007 (save_call_clobbered_regs): Don't keep track of basic block boundaries
3008 in this function, do it in insert_one_insn instead.
3010 * reload1.c (reload): Break out some more pieces into separate
3012 (dump_needs): New function, broken out of reload.
3013 (set_initial_elim_offsets): Likewise.
3014 (init_elim_table): Likewise.
3015 (update_eliminables): Likewise.
3017 * global.c (global_alloc): Delete code to manage the scratch_list.
3018 * local-alloc.c (qty_scratch_rtx): Delete.
3019 (scratch_block): Delete.
3020 (scratch_list): Delete.
3021 (scratch_list_length): Delete.
3022 (scratch_index): Delete.
3023 (alloc_qty_for_scratch): Delete.
3024 (local-alloc): Update initialization of max_qty.
3025 Delete code to manage the scratch list.
3026 Delete code to allocate/initialize qty_scratch_rtx.
3027 (block_alloc): Don't allocate quantities for scratches.
3028 Delete code to manage the scratch list.
3029 * regs.h (scratch_list): Delete declaration.
3030 (scratch_block): Delete declaration.
3031 (scratch_list_length): Delete declaration.
3032 * reload1.c (reload): Delete code to manage the scratch list.
3033 (spill_hard_reg): Likewise.
3034 (mark_scratch_live): Delete.
3036 * recog.c (alter_subreg): Delete declaration.
3038 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
3040 * Makefile.in (cccp.o): Fix typo in last patch.
3042 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3044 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
3045 * config/sh/lib1funcs.asm (___set_fpscr): Add.
3047 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
3049 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
3050 NULL_RTX as an argument.
3052 * Makefile.in (unlibsubdir): Define.
3053 (DRIVER_DEFINES): Use unlibsubdir.
3054 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
3055 (stmp-fixinc): Similarly.
3057 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3059 * regmove.c (regmove_optimize): Add variable old_max_uid.
3060 At the end of the function, update basic_block_end.
3062 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3064 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
3065 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
3068 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
3070 * config/arm/arm.c: Improve interworking support.
3072 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3074 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
3075 copied from reload_out[r] .
3077 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
3079 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
3080 with more than three size ranges.
3082 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
3084 * rtl.c (mode_name): Add a null string at the end of the array.
3085 (mode_wider_mode): Change type to unsigned char.
3086 (mode_mask_array): New variable.
3087 (init_rtl): Update for mode_wider_mode type change.
3089 * rtl.h (mode_wider_mode): Change type to unsigned char.
3090 (mode_mask_array): Declare.
3091 (GET_MODE_MASK): Use mode_mask_array.
3093 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
3095 * calls.c (expand_call) : Encapsulate code into
3096 copy_blkmode_from_reg.
3097 * expr.c (copy_blkmode_from_reg): New function.
3098 * expr.h (copy_blkmode_from_reg): New function.
3099 * integrate.c (function_cannot_inline_p): We can inline
3101 (expand_inline_function): Use copy_blkmode_from_reg
3102 if needed. Avoid creating BLKmode REGs.
3103 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
3106 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
3108 * config/v850/v850.c: Add function prototypes.
3109 Add support for v850 special data areas.
3111 * config/v850/v850.h: Add support for v850 special data areas.
3113 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
3114 HANDLE_PRAGMA_PACK_PUSH_POP.
3115 (push_alignment): New function: Cache an alignment requested
3116 by a #pragma pack(push,<n>).
3117 (pop_alignment): New function: Pop an alignment from the
3119 (insert_pack_attributes): New function: Generate __packed__
3120 and __aligned__ attributes for new decls whilst a #pragma pack
3122 (add_weak): New function: Cache a #pragma weak directive.
3123 (handle_pragma_token): Document calling conventions. Add
3124 support for #pragma pack(push,<n>) and #pragma pack (pop).
3126 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
3127 are defined enable HANDLE_PRAGMA_PACK.
3128 Move 'struct weak_syms' here (from varasm.c).
3129 Add pragma states for push and pop pragmas.
3131 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
3134 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
3135 HANDLE_GENERIC_PRAGMAS.
3137 * varasm.c: Move definition of 'struct weak_syms' into
3139 (handle_pragma_weak): Deleted.
3141 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3143 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3145 * c-decl.c (start_function): Add invocation of
3146 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
3148 * tm.texi: Remove description of non-existant macro
3149 SET_DEFAULT_SECTION_NAME.
3151 (HANDLE_SYSV_PRAGMA): Document.
3152 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
3154 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
3156 * config.sub: Recognize i[34567]86-pc-udk as new target.
3157 * configure.in: Likewise.
3158 * config/i386/t-udk: New file.
3159 * config/i386/udk.h: New file.
3161 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
3163 * reorg.c (check_annul_list_true_false): Remove unused variables.
3164 (steal_delay_list_from_target): Add missing "used_annul" variable.
3165 (try_merge_delay_insns): Close out half formed comment.
3167 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3169 * cpplib.c (macroexpand): If arg->raw_before or
3170 arg->raw_after, remove any no-reexpansion escape at the
3171 beginning of the pasted token. Correct handling of whitespace
3172 markers and no-reexpand markers at the end if arg->raw_after.
3174 * toplev.c (documented_lang_options): Recognize -include,
3175 -imacros, -iwithprefix, -iwithprefixbefore.
3176 * cpplib.c (cpp_start_read): Process -imacros and -include
3177 switches at the same time and in command-line order, after
3178 initializing the dependency-output code. Emit properly nested
3179 #line directives for them. Emit a #line for the main file
3180 before processing these switches, and don't do it again
3183 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
3185 * function.c (purge_addressof_1): Use bitfield manipulation
3186 routines to handle mem mode < reg mode.
3188 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3190 * reorg.c (try_merge_delay_insns): Account for resources referenced
3191 in each instruction in INSN's delay list before trying to eliminate
3192 useless instructions. Similarly when looking at a trial insn's delay
3195 * reorg.c (check_annul_list_true_false): New function.
3196 (steal_delay_list_from_{target,fallthrough}): Call it and also
3197 refine tests for when we may annul if already filled a slot.
3198 (fill_slots_from_thread): Likewise.
3199 (delete_from_delay_slot): Return newly-created thread.
3200 (try_merge_delay_isns): Use its new return value.
3202 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
3204 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
3205 used to compute a giv or as some other non-counting use.
3207 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3209 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3210 * local-alloc.c (find_free_reg): Use it.
3211 * global.c (find_reg): Likewise.
3212 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
3214 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
3215 * caller-save.c (init_caller_save): Use it.
3216 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
3218 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3220 * configure.in: Add --enable-cpplib option which uses cpplib
3221 for cpp, but doesn't link cpplib into cc1. Make help text
3222 capitalization consistent.
3223 * configure: Rebuilt.
3225 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
3227 * function.c (gen_mem_addressof): If the address REG is
3228 REG_USERVAR_P make the new REG be so also.
3229 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
3230 in an attempt to clarify slightly.
3232 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
3234 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
3235 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
3237 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
3239 * toplev.c: Fix last patch.
3241 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
3243 * loop.c (get_condition): Fix typo in May 9 change.
3245 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3247 * invoke.texi (-fexceptions): Merge 2 different descriptions.
3249 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3251 * toplev.c (documented_lang_options): Spelling corrections.
3253 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3255 * configure.in: new flags --with-ld and --with-as, equivalent
3256 to setting LD and AS environment variables. Test whether
3257 specified arguments are GNU commands, and report them with
3258 checking messages. Use the specified AS for configure
3261 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
3263 * gcc.c (find_a_file): when looking for `as' and `ld', return
3264 the DEFAULT program if it exists
3265 * collect2.c (main): use DEFAULT_LINKER if it exists
3267 * gcc.c (find_a_file): the test for existence of a full
3268 pathname was reversed
3270 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
3272 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
3273 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
3275 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
3277 * tree.h (TYPE_BINFO): Document.
3279 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
3281 * i386-coff.h (dbxcoff.h): Added.
3283 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
3285 * toplev.c: fix bad patch around flag_data_sections.
3287 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
3289 * reload1.c (reload): Use reload_address_index_reg_class and
3290 reload_address_base_reg_class when setting
3291 caller_save_spill_class. (Patch generated by Jim Wilson:
3294 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
3296 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
3297 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
3298 * expr.c (store_field): Add alias_set parameter. Set the
3299 MEM_ALIAS_SET accordingly, if the target is a MEM.
3300 (expand_assignment): Use it.
3301 (store_constructor_field): Pass 0.
3302 (expand_expr): Likewise.
3304 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
3306 * flags.h: Add flag_data_sections.
3307 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
3308 (compile_file): Error if flag_data_sections not supported.
3309 * varasm.c (assemble_variable): Handle flag_data_sections.
3310 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
3311 * config/mips/elf.h: Likewise.
3312 * config/mips/elf64.h: Likewise.
3313 * invoke.texi: Describe -fdata-sections.
3315 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
3317 * invoke.texi (-ffloat-store): Clarify that this option
3318 does not affect intermediate results -- only variables.
3320 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
3322 * cpp.texi: Update for Fortran usage from Craig.
3324 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3326 * rs6000.c (function_arg_boundary): Revert accidental change on
3329 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
3331 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
3332 (output_mi_thunk): Declare.
3334 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
3335 (output_function_profiler): Use r12 for temp, instead of r11 so
3336 that we preserve the static chain register.
3338 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
3340 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
3342 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3344 * sh.c (gen_shl_sext): Fix case 5.
3346 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3348 * reload1.c (reload_combine): Re-add line that got accidentally lost.
3350 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3352 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
3353 accessing variables until they are initialized via va_arg().
3355 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3357 * reload1.c (reload_combine): Initialize set before using.
3359 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
3361 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
3364 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
3366 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
3367 operand3 with mask before using it. Patch provided by Jim Wilson.
3369 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3371 * config/sparc/sparc.c (function_value): Perform the equivalent of
3372 PROMOTE_MODE for ARCH64.
3373 (eligible_for_epilogue_delay): Allow DImode operations in delay
3374 slot of a return for ARCH64.
3376 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3378 * sh.md (sqrtsf2): Fix mode of sqrt.
3380 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3382 * reload1.c (choose_reload_regs): Also try inheritance when
3383 reload_in is a stack slot of a pseudo, even if we already got a
3386 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3388 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
3389 (reload_cse_regs): New function body: call reload_cse_regs_1,
3390 reload_combine, reload_cse_move2add.
3391 When doing expensive_optimizations, call reload_cse_regs_1 a
3392 second time after reload_cse_move2add.
3393 (reload_combine, reload_combine_note_store): New functions.
3394 (reload_combine_note_use): New function.
3395 (reload_cse_move2add, move2add_note_store): New functions.
3397 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3399 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
3400 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
3402 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
3403 more than 3 such reloads.
3405 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
3406 RELOAD_FOR_X_ADDR_ADDR reload.
3408 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3410 * expr.c (store_constructor): When initializing a field that is smaller
3411 than a word, at the start of a word, try to widen it to a full word.
3413 * cse.c (cse_insn): When we are about to change a register,
3414 remove any invalid references to it.
3416 (remove_invalid_subreg_refs): New function.
3417 (mention_regs): Special treatment for SUBREGs.
3418 (insert_regs): Don't strip SUBREG for call to mention_regs.
3419 Check if reg_tick needs to be bumped up before that call.
3420 (lookup_as_function): Try to match known word_mode constants when
3421 looking for a norrower constant.
3422 (canon_hash): Special treatment for SUBREGs.
3424 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3426 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3427 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3428 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3429 and offsets in actual stack trampoline code so they match the
3430 commentary and actually work.
3432 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3434 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3436 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3437 tmake_file. Set extra_parts to needed crt objects.
3438 * configure: Rebuilt.
3439 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3440 (TARGET_DEFAULT): Set if default is v9 or ultra.
3441 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3442 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3443 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3444 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3445 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3446 (TARGET_VERSION): Define.
3447 (MULTILIB_DEFAULT): Define.
3448 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3449 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3450 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3452 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3453 * config/sparc/sparc.c (sparc_override_options): If arch and
3454 pointer size disagree, emit diagnostic and fix it up. If
3455 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3456 V8PLUS in 64-bit mode.
3457 * config/sparc/t-linux64: New file.
3458 * config/sparc/t-sol2-64: New file.
3459 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3460 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3461 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3462 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3463 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3464 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3466 (STARTFILE_SPEC): Set approriately based upon those.
3467 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3468 disposition of DEFAULT_ARCH32_P.
3469 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3470 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3471 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3472 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3473 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3475 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3477 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3479 * rtl.h (init_virtual_regs): New function.
3480 * emit-rtl.c (init_virtual_regs): Define.
3481 (insn_emit): Use it.
3482 * integrate.c (save_for_inline_copying): Likewise.
3484 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3486 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3487 (enum reg_class): Add NONARG_LO_REGS support.
3488 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3489 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3490 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3491 completes. Re-enable HImode REG+OFFSET addresses.
3492 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3494 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3496 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3498 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3499 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3500 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3502 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3504 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3505 jumps as a single entity, taking into account the size of the
3508 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3510 * tree.def (SWITCH_EXPR): New tree node definition.
3512 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3514 * version.c: Bump for snapshot.
3516 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3518 * version.c: Bump for snapshot.
3520 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3522 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3525 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3527 * Revert this patch.
3528 * reload.c (find_reloads): Do not replace a pseudo with
3529 (MEM (reg_equiv_addr)) in the initializing insn for the
3532 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3534 * final.c (final_scan_insn): Disable tracking CC across branches.
3536 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3538 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3539 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3540 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3541 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3542 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3544 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3546 * toplev.c (rest_of_compilation): Skip compiling anything with
3547 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3549 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3551 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3552 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3553 use in_libcall_block.
3554 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3555 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3558 Mon Sep 21 14:02:23 1998
3560 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3561 typo in no-fancy-math-387 description.
3563 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3565 * version.c: Bump for snapshot.
3567 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3569 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3571 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3573 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3574 documented in install.texi.
3575 (TARGET_OPTIONS) Likewise.
3577 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3579 * version.c: Bump for snapshot.
3581 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3583 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3584 * cccp.c (main): Likewise.
3586 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3587 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3590 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3592 * Makefile.in (LIBS): Link in libiberty.a.
3593 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3595 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3597 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3598 it to update bb boundaries. Update caller.
3599 * function.c (reposition_prologue_and_epilogue_notes): Update
3600 bb boundaries wrt the moved note.
3602 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3604 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3606 * configure: Regenerate.
3608 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3610 * alpha.c (alpha_sr_alias_set): New variable.
3611 (override_options): Set it.
3612 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3613 (mode_mask_operand): Fix signed-unsigned comparision warning.
3614 (alpha_expand_block_move): Likewise.
3615 (print_operand): Likewise.
3616 (get_aligned_mem): Use change_address.
3617 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3618 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3619 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3620 (alpha_align_insns): Remade from old alphaev5_align_insns
3621 to handle multiple processors.
3622 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3623 * output.h (label_to_alignment): Prototype.
3625 * tree.c (new_alias_set): New function.
3626 * tree.h (new_alias_set): Declare it.
3627 * c-common.c (c_get_alias_set): Use it.
3629 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3631 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3632 to an ABS expr, convert an unsigned input to signed.
3634 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3636 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3638 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3640 * configure.in: Add support for c4x targets.
3641 * configure: Rebuilt.
3643 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3645 * combine.c (distribute_notes): If an insn is a cc0 user, only
3646 delete it if we can also delete the cc0 setter.
3648 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3650 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3651 (invert_truthvalue): Enable truthvalue inversion for
3652 floating-point operands if -ffast-math.
3654 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3656 * configure.in: Disable collect2 for nextstep. Instead use
3658 * configure: Rebuilt.
3659 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3660 (ENDFILE_SPEC): Define.
3661 (OBJECT_FORMAT_MACHO): Define.
3662 (EH_FRAME_SECTION_ASM_OP): Define.
3663 * crtstuff.c: Handle MACHO.
3665 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3667 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3669 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3671 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3672 (_fpadd_parts): Get sign right for 0.
3674 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3676 * ginclude/varargs.h: Add support for C4x target.
3677 * ginclude/stdargs.h: Likewise.
3679 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3681 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3682 (alpha_emit_set_long_const): Rewrite to be callable from reload
3684 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3685 * alpha.md (movdi): Likewise.
3687 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3689 * arm.c (add_constant): New parameter address_only, change caller.
3690 Set it non-zero if taking the address of an item in the pool.
3691 (arm_reorg): Handle cases where we need the address of an item in
3694 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3696 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3697 memory addresses that are not in standard canonical form.
3699 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3701 * README.C4X: New file with information about the c4x ports.
3702 * ginclude/va-c4x.h: New file for c4x varargs support.
3703 * config/c4x: New directory with c4x port files.
3705 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3707 * reload.c (find_reloads): Do not replace a pseudo with
3708 (MEM (reg_equiv_addr)) in the initializing insn for the
3711 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3713 * toplev.c (rest_of_compilation): Set bct_p on second call to
3715 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3717 (strength_reduce): Only call analyze_loop_iterations and
3718 insert_bct if bct_p set.
3719 (check_dbra_loop): Fix typo.
3720 (insert_bct): Use word_mode instead of SImode.
3721 (instrument_loop_bct): Likewise. Do not delete iteration count
3722 condition code generation insn. Initialize iteration count before
3724 * rtl.h (loop_optimize): Update prototype.
3726 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3727 not doubleword aligned.
3729 * rs6000.c (optimization_options): New function.
3730 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3731 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3732 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3733 first; cr1 can be used for FP record condition insns.
3735 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3737 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3740 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3743 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3745 (block_move_call): New function: Call a library routine to copy a
3747 (m32r_expand_block_move): New function: Expand a "movstrsi"
3748 pattern into a sequence of insns.
3749 (m32r_output_block_move): New function: Expand a
3750 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3751 (m32r_block_immediate_operand): New function: Return true if the
3752 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3754 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3756 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3758 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3760 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3762 * regmove.c (copy_src_to_dest): Check that modes match.
3764 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3766 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3768 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3770 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3771 narrower than FLOAT_REGS.
3773 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3775 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3777 * Makefile.in (old_gxx_include_dir): removed
3779 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3781 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3784 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3785 (sh_handle_pragma): Change function arguments to match new
3786 specification for HANDLE_PRAGMA.
3788 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3790 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3792 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3793 When generating output, initialize missing struct member to zero.
3795 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3797 * regmove.c (copy_src_to_dest): Don't copy if that requires
3798 (a) new register(s).
3800 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3802 * global.c (reg_allocno): Now static.
3803 * reload1.c (reg_allocno): Delete declaration.
3804 (order_regs_for_reload): Take no arguments. Don't treat regs
3805 allocated by global differently than those allocated by local-alloc.
3807 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3809 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3810 condition, fix format strings.
3811 (output_function_epilogue): Likewise.
3813 * m68k/m68k.c: Don't include <stdlib.h> directly.
3815 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3817 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3818 mem_first_set, mem_last_set; because 0 can be a CUID.
3819 (oprs_unchanged_p): Use new definition.
3820 (record_last_reg_set_info): Likewise.
3821 (record_last_mem_set_info): Likewise.
3822 (compute_hash_table): Likewise.
3824 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3826 * rs6000.c (output_epilogue): Handle Chill.
3828 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3829 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3831 * combine.c (make_extraction): If no mode is specified for
3832 an operand of insv, extv, or extzv, default it to word_mode.
3833 (simplify_comparison): Similarly.
3834 * expmed.c (store_bit_field): Similarly.
3835 (extract_bit_field): Similarly.
3836 * function.c (fixup_var_regs_1): Similarly.
3837 * recog.c (validate_replace_rtx_1): Similarly.
3838 * mips.md (extv, extzv, insv expanders): Default modes for most
3839 operands. Handle TARGET_64BIT.
3840 (movdi_uld, movdi_usd): New patterns.
3842 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3843 equivalent memory location unless we have been provided a scratch
3844 register. Similarly do not call find_replacement unless a
3845 scratch register has been provided.
3847 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3849 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3852 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3854 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3855 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3856 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3857 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3858 * c-decl.c (init_decl_processing): Update accordingly.
3859 * expr.c (expand_builtin): Likewise.
3861 * rtl.h (global_rtl): Add cfa entry.
3862 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3863 (LAST_VIRTUAL_REGISTER): Update.
3864 * emit-rtl.c (global_rtl): Add cfa entry.
3865 (init_emit): Initialize it.
3866 * function.c (cfa_offset): New.
3867 (instantiate_virtual_regs): Initialize it.
3868 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3869 (expand_function_end): Call expand_eh_return.
3870 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3872 * except.c (current_function_eh_stub_label): Kill.
3873 (current_function_eh_old_stub_label): Likwise; update all references.
3874 (expand_builtin_set_return_addr_reg): Kill.
3875 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3876 (expand_builtin_set_eh_regs): Kill.
3877 (eh_regs): Produce a third reg for the actual handler address.
3878 (eh_return_context, eh_return_stack_adjust): New.
3879 (eh_return_handler, eh_return_stub_label): New.
3880 (init_eh_for_function): Initialize them.
3881 (expand_builtin_eh_return, expand_eh_return): New.
3882 * except.h: Update prototypes.
3883 * flow.c (find_basic_blocks_1): Update references to the stub label.
3884 * function.h (struct function): Kill stub label elements.
3886 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3887 register number is one that would be in the previous window.
3888 Provide a dummy definition for non-windowed targets.
3889 (get_reg_addr): New function.
3890 (get_reg, put_reg, copy_reg): Use it.
3891 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3892 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3894 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3895 (alpha_init_expanders): Initialize it.
3896 (alpha_expand_epilogue): Use it.
3897 * alpha.h: Declare it.
3898 * alpha.md (eh_epilogue): New.
3900 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3901 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3903 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3905 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3908 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3910 * except.h (struct eh_entry): Add false_label field.
3911 (end_catch_handler): Add prototype.
3912 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3913 (start_catch_handler): When using old style exceptions, issue
3914 runtime typematch code before continuing with the handler.
3915 (end_catch_handler): New function, generates label after handler
3916 if needed by older style exceptions.
3917 (expand_start_all_catch): No need to check for new style exceptions.
3918 (output_exception_table_entry): Only output the first handler label
3919 for old style exceptions.
3920 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3921 mechanism into one function, if a runtime matcher is provided.
3923 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3925 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3927 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3929 * integrate.c (copy_decl_list): Fix typo.
3931 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3933 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3936 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3938 * version.c: Bump for snapshot.
3940 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3942 * version.c: Bump for snapshot.
3944 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3946 * version.c: Bump for snapshot.
3948 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3950 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3952 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3954 * configure.in: remove usage of `!' to negate the result of a
3955 command; some common shells do not support it
3957 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3959 * configure.in: in sparc9-sol2 config, use 'if test' not
3961 * configure: Rebuilt.
3963 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3965 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3966 (CPP_CPU_DEFAULT_SPEC): Likewise.
3967 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3968 for arch64 libfuncs.
3970 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3973 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3975 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3977 * collect2.c: Don't declare `sys_siglist' here.
3978 (my_strsignal): Prototype and define new function. Use it in
3979 place of `sys_siglist' hacks.
3981 * mips_tfile.c: Likewise.
3983 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3984 (GCC_NEED_DECLARATIONS): Likewise.
3986 * system.h (strsignal): Prototype it, if necessary.
3987 (sys_siglist): Declare it, if necessary.
3989 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3991 * loop.c (move_movables): While removing insn sequences, preserve
3992 the next pointer of the most recently deleted insn when we skip
3995 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3997 * objc/config-lang.in: Do not output the name of the selected
3998 thread file when building the front-end. The Makefile for the
3999 runtime library will do this.
4001 * objc/Make-lang.in: Do not build the runtime library or install
4002 the Objective C header files. The Makefile for the runtime
4003 library will do this.
4005 * objc/Makefile.in (all.indirect): Only build the front-end.
4006 (compiler): Rename to `frontend'.
4007 (obj-runtime): Remove target.
4008 (copy-headers): Likewise.
4009 (clean): No need to remove `libobjc.a' any longer.
4011 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
4013 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
4014 supported with -mcpu=xxx.
4016 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4018 * flow.c (mark_set_1): Recognize multi-register structure return
4019 values in CALL insns.
4020 (mark_used_regs): Likewise.
4021 (count_reg_sets_1): Likewise.
4022 (count_reg_references): Likewise.
4023 * rtlanal.c (note_stores): Likewise.
4024 (reg_overlap_mentioned_p): Likewise.
4025 * haifa-sched.c (check_live_1): Likewise.
4026 (update_live_1): Likewise.
4027 (sched_analyze_1): Likewise.
4028 (sched_note_set): Likewise.
4029 (birthing_insn_p): Likewise.
4030 (attach_deaths): Likewise.
4032 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
4035 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
4037 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
4039 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4041 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
4043 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4045 * configure.in: Add check for GAS subsection -1 support.
4046 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
4047 * configure config.in: Rebuilt.
4048 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
4049 SImode is subsection -1 works, else use DImode.
4050 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
4051 subsection -1 works.
4052 * config/sparc/sparc.c (sparc_output_addr_vec,
4053 sparc_output_addr_diff_vec): Use them if defined.
4055 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
4057 * tree.h (DECL_ORIGIN): New macro.
4058 * integrate.c (copy_and_set_decl_abstract_origin): New function.
4059 (copy_decl_list): Use it.
4060 (integrate_parm_decls): Likewise.
4061 (integrate_decl_tree): Likewise.
4062 * dwarf2out.c (decl_ultimate_origin): Simplify.
4063 * dwarfout.c (decl_ultimate_origin): Likewise.
4064 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
4065 (pushdecl): Likewise.
4067 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
4069 * config/rs6000/rs6000.c (output_epilog): Add Java support.
4071 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
4073 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
4075 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
4077 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
4078 empty or has a single entry.
4080 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
4081 before calling reg_to_stack.
4083 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
4085 * alpha.c (alphaev5_insn_pipe): Abort on default case.
4086 (alphaev5_next_group): Swallow CLOBBERs and USEs.
4088 * c-tree.h (warn_long_long): Declare it.
4090 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
4092 * emit-rtl.c (gen_lowpart_common): Disable optimization of
4093 initialized float-int union if the value is a NaN.
4095 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
4097 * c-lex.c (real_yylex): Don't warn about long long constants if
4098 we're allowing long long
4100 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4102 * except.h (current_function_eh_stub_label): Declare.
4103 (current_function_eh_old_stub_label): Declare.
4104 * function.h (struct function): New members eh_stub_label and
4106 * except.c (current_function_eh_stub_label): New variable.
4107 (current_function_eh_old_stub_label): New variable.
4108 (init_eh_for_function): Clear them.
4109 (save_eh_status): Save them.
4110 (restore_eh_status): Restore them.
4111 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
4112 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
4113 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
4114 make an edge from the block that contains it to the block starting
4115 with the label if this label is one of the eh stub labels.
4116 If eh stub labels exist, show they are reachable from the last block
4119 * reload1.c (reload): Break out several subroutines and make some
4121 (calculate_needs_all_insns): New function, broken out of reload.
4122 (calculate_needs): Likewise.
4123 (find_reload_regs): Likewise.
4124 (find_group): Likewise.
4125 (find_tworeg_group): Likewise.
4126 (something_needs_reloads): New global variable, formerly in reload.
4127 (something_needs_elimination): Likewise.
4128 (caller_save_spill_class): Likewise.
4129 (caller_save_group_size): Likewise.
4130 (max_needs): Likewise.
4131 (group_size): Likewise.
4132 (max_groups): Likewise.
4133 (max_nongroups): Likewise.
4134 (group_mode): Likewise.
4135 (max_needs_insn): Likewise.
4136 (max_groups_insn): Likewise.
4137 (max_nongroups_insn): Likewise.
4138 (failure): Likewise.
4140 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
4142 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
4144 * loop.c (load_mems): Copy rtx for output mem.
4146 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
4148 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
4149 mips1 or mips2 either.
4151 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
4153 * pa.c (pa_reorg): New marking scheme for jumps inside switch
4155 (pa_adjust_insn_length): Update to work with new marking scheme
4156 for jumps inside switch tables.
4157 * pa.md (switch_jump): Remove pattern.
4158 (jump): Handle jumps inside jump tables.
4160 * Makefile.in (profile.o): Depend on insn-config.h
4162 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
4164 * iris6.h (DWARF2_UNWIND_INFO): Undef.
4166 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4168 Add preliminary native sparcv9 Solaris support.
4169 * configure.in: Recognize sparv9-*-solaris2*
4170 * configure: rebuilt
4171 * config.sub: Recognize sparcv9 just like sparc64.
4172 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
4173 config/sparc/sol2-cn.asm: Macroize so it can be shared between
4174 32-bit and 64-bit Solaris systems.
4175 * config/sparc/t-sol2: Assemble those with cpp.
4176 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
4177 (*TF*_LIBCALL): If ARCH64 use V9 names.
4178 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
4180 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4182 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
4183 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
4185 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
4187 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
4188 to Pmode if CASE_VECTOR_MODE is something else.
4190 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
4192 * prefix.c (update_path): Correctly handle cases where PATH is
4193 a substring of the builtin prefix, but specifies a different
4196 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
4198 * expr.c: Corrected comment about what MOVE_RATIO does.
4199 * config/alpha/alpha.h: Ditto.
4200 * config/1750a/1750a.h: Ditto.
4201 * config/clipper/clipper.h: Ditto.
4202 * config/i386/i386.h: Ditto.
4204 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
4206 * configure.in (m68k-next-nextstep3*): Use collect2.
4207 Similarly for x86 NeXT configurations.
4208 * configure: Rebuilt.
4210 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
4212 * configure.in: Don't assume srcdir is .../gcc
4213 * configure: Rebuilt.
4215 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
4217 * global.c: Update comments.
4218 (global_alloc): Assign allocation-numbers
4219 even for registers allocated by local_alloc in case
4220 they are later spilled and retry_global_alloc is called.
4221 (mark_reg_store, mark_reg_clobber,
4222 mark_reg_conflicts, mark_reg_death): Always record a
4223 conflict with a pseudo register even if it has been
4224 assigned to a hard register.
4225 (dump_conflicts): Don't list pseudo registers already assigned to
4226 a hard register as needing to be allocated, but do list their
4228 * local-alloc.c: Update comment.
4230 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
4232 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
4233 * configure: Rebuilt.
4235 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
4237 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
4239 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
4240 for all targets that set -msoft-float.
4242 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4244 * toplev.c (print_switch_values): Make static to match prototype.
4246 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
4248 * configure.in: If we are unable to find the "gnatbind" program,
4249 then do not configure the ada subdir.
4250 * configure: Rebuilt.
4252 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
4254 * version.c: Bump for snapshot.
4256 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
4258 * version.c: Bump for snapshot.
4260 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4262 * Makefile.in (toplev.o): Depend on $(EXPR_H).
4263 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
4265 * gansidecl.h: Define ATTRIBUTE_NORETURN.
4267 * genattrtab.c: Have insn-attrtab.c include toplev.h.
4269 * genextract.c: Have insn-extract.c include toplev.h.
4271 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
4273 * toplev.c: Include expr.h.
4274 (really_sorry, fancy_abort): Remove prototypes.
4275 (set_target_switch): Add argument in prototype.
4276 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
4277 (v_really_sorry): Likewise.
4278 (print_version, print_single_switch, print_switch_values): Make
4279 static and add prototype arguments.
4280 (decl_printable_name): Add prototype arguments.
4281 (lang_expand_expr_t): New typedef.
4282 (lang_expand_expr): Declare as a lang_expand_expr_t.
4283 (incomplete_decl_finalize_hook): Add prototype argument.
4284 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
4285 (botch): Likewise for variable `s'.
4286 (rest_of_type_compilation): Mark variables `type' and `toplev'
4287 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
4288 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
4289 (display_help): Make variable `i' an `unsigned long'.
4290 (main): Remove unused parameter `envp'.
4291 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
4292 Cast -1 when comparing it with a `size_t'.
4294 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
4295 prototype with ATTRIBUTE_NORETURN.
4296 (fatal_insn_not_found, fatal_insn, really_sorry,
4297 push_float_handler, pop_float_handler): Add prototypes.
4298 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
4299 (do_abort, botch): Add prototypes.
4301 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
4303 * final.c (final): If a label is reached only from a single jump,
4304 call NOTICE_UPDATE_CC on the jump and its predecessor before
4305 emitting the insn after the label.
4307 * i386.h: Add AMD K6 support.
4308 Change TARGET_* macros to use table lookup.
4309 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
4310 (ADJUST_COST): Change definition to call function in i386.c.
4311 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
4312 * i386.c: Add AMD K6 support.
4313 Add constants for feature tests used by TARGET_* macros.
4314 (split_di): If before reload, call gen_lowpart and gen_highpart.
4315 (x86_adjust_cost): New function.
4316 (put_jump_code): New function.
4317 (print_operand): New codes 'D' and 'd'.
4318 * i386.md: New insn types. New insn attribute "memory".
4319 Redefine scheduling parameters to use new types and add AMD K6
4320 support. Explicitly set type of most insns.
4321 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
4322 Pro and K6 prefer movl $1,reg to incl reg.
4323 (adddi3, subdi3): Set cc_status.
4324 (DImode shift patterns): Change label counters from HOST_WIDE_INT
4325 to int; x86 can't have more than 2^31 DImode shifts per file.
4326 (setcc): Combine all setcc patterns. Allow writing memory.
4327 Combine all jump patterns using match_operator.
4328 (*bzero): Name pattern. Emit mutliple stos instructions when that
4329 is faster than rep stos.
4330 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
4333 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
4335 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
4338 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
4340 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
4341 not whatever we're generating now.
4343 * alpha.c (set_frame_related_p, FRP): New.
4344 (alpha_expand_prologue): Mark frame related insns.
4345 (alpha_expand_epilogue): Likewise, but with a null FRP.
4346 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
4347 * alpha.md (exception_receiver): New.
4348 * alpha/crtbegin.asm (.eh_frame): New beginning.
4349 (__do_frame_setup, __do_frame_takedown): New.
4350 * alpha/crtend.asm (.eh_frame): New ending.
4351 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
4352 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
4353 (ASM_FILE_START): Don't emit .file for dwarf2.
4355 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
4356 * rtl.c (reg_note_name): Likewise.
4357 * rtl.texi (REG_NOTES): Likewise.
4358 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
4361 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
4363 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
4364 * i386.md (movsf, movdf, movxf): Validate memory address returned
4365 from force_const_mem. Kill useless REG_EQUAL setting code.
4367 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
4369 * m68k.md (zero_extendsidi2): Fix typo.
4371 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
4373 * configure.in: Removed references to the removed file
4374 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
4375 * arm*-*-netbsd* and ns32k-*-netbsd*.
4376 * config/i386/xm-netbsd.h: Removed unnecessary file.
4377 * config/m68k/xm-netbsd.h: Likewise.
4378 * config/sparc/xm-netbsd.h: Likewise.
4379 * config/mips/xm-netbsd.h: Likewise.
4381 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
4383 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
4384 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
4386 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
4387 for exact section attributions.
4389 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
4391 * i386/crtdll.h (CPP_PREDEFINES): Define.
4393 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
4395 * m68k.md (5200 movqi): Do not allow byte sized memory references
4397 * m68k.c (output_move_qimode): Do not use byte sized operations on
4400 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4401 explicit rules for building. Similarly for alloca, vfprintf,
4402 choose-temp and mkstemp, getopt, getopt1, and obstack.
4403 (INCLUDES): Add $(srcdir)/../include.
4404 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
4405 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
4407 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
4409 * gcc.c (do_spec_1): [case 'o'] Account for
4410 lang_specific_extra_outfiles.
4411 (main): Correctly clear all slots in outfiles for
4412 lang_specific_extra_outfiles. Set input_file_number before
4413 calling lang_specific_pre_link.
4415 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4417 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4419 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4421 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4423 (sparc_output_deferred_case_vectors): If no work to do, return.
4424 Fix thinko in Sept 1 change.
4426 1998-09-03 SL Baur <steve@altair.xemacs.org>
4428 * Makefile.in: add semicolon in BISON definition for portability.
4430 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4432 * config/nextstep.c (handle_pragma): Correct name of third
4435 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4437 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4438 * config/m32r/m32r.h: Make register 17 be fixed.
4439 * config/m32r/m32r.c: Use SImode for cc operations.
4441 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4443 * invoke.texi (Warning Options): Add -Wnon-template-friend
4446 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4448 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4450 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4452 * rs6000.md (movsf): Disable explicit secondary-reload-like
4453 functionality if TARGET_POWERPC64.
4454 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4457 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4459 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4460 and term.h from fixinc.wrap.
4462 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4464 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4465 safe to include both string.h and strings.h together.
4466 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4467 which headers to search for function declarations. Continue to
4468 prefer string.h over strings.h when both are not acceptable.
4470 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4472 * configure.in: Call GCC_HEADER_STRING.
4474 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4475 to include. Continue to prefer string.h over strings.h when both
4478 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4480 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4481 not assume top 32-bits of symbolic addresses are zero if
4484 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4486 * ginclude/va-alpha.h: Protect entire second portion of the
4487 file against double inclusion.
4489 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4491 Added support for the Boehm's garbage collector.
4492 * configure.in: Handle --enable-objc-gc.
4493 * configure: Rebuilt.
4494 * Makefile.in (CHECK_TARGETS): Add check-objc.
4495 (check-objc): New rule.
4496 * objc/Make-lang.in: Build a different Objective-C library that
4497 runs with the Boehm's collector.
4498 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4499 * objc/encoding.c: Correctly compute the size of compound types in
4500 the presence of bitfields. Skip the variable name of the type if
4501 any. Added support for long long.
4502 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4503 (_F_GCINVISIBLE): New mask.
4504 * objc/gc.c: New file. Compute the type memory mask associated with
4505 a class based on the runtime information.
4506 * objc/misc.c: Added the hooks that use the Boehm's collector
4507 allocation functions.
4508 * objc/objc-act.c (build_class_template): Generate a new class
4509 member (gc_object_type) to hold the class' type memory mask.
4510 (build_shared_structure_initializer): Initialize the new member to
4512 (encode_complete_bitfield): New function. Generate the new
4514 (encode_field_decl): Generate the new encoding only for the GNU
4516 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4518 (class_get_gc_object_type): New function to mark a pointer instance
4519 variable as a weak pointer.
4520 * objc/objc-features.texi: New file.
4521 * objc/objc.h (gc_object_type): New class member.
4522 * objc/objects.c (class_create_instance): Create a typed memory
4523 object when compiled with Boehm's collector support.
4524 * objc/sendmsg.c (__objc_init_install_dtable): Call
4525 __objc_send_initialize instead of setting the initialize flag.
4526 (__objc_send_initialize): Call __objc_generate_gc_type_description
4527 to generate the class type memory mask. Rewrite the code that
4528 sends the +initialize so that it is called only once (bug report
4529 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4530 * testsuite/objc: New testsuite for Objective-C type encoding.
4531 * testsuite/lib/objc-torture.exp: New file.
4532 * testsuite/lib/objc.exp: New file.
4534 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4536 * jump.c (jump_optimize): In if/then/else transformations, add
4537 another call to modified_between_p for the jump insn.
4539 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4541 * fix-header.c (symlink): Treat like readlink.
4543 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4545 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4548 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4550 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4551 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4552 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4554 * config/nextstep.c (handle_pragma): Take three arguments, as per
4555 the new HANDLE_PRAGMA macro specification.
4556 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4557 per the new HANDLE_PRAGMA macro specification.
4558 * config/i960/i960.c (process_pragma): Take three arguments, as
4559 per the new HANDLE_PRAGMA macro specification.
4561 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4563 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4564 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4565 if unknown pragmas are encountered.
4566 (handle_sysv_pragma): Interpret return code from
4567 handle_pragma_token (). Return success/failure indication rather
4568 than next unprocessed character.
4569 (pragma_getc): New function: retrieves characters from the
4570 input stream. Defined when HANDLE_PRAGMA is enabled.
4571 (pragma_ungetc): New function: replaces characters back into the
4572 input stream. Defined when HANDLE_PRAGMA is enabled.
4574 * c-pragma.c (handle_pragma_token): Return success/failure status
4577 * c-pragma.h: Change prototype of handle_pragma_token().
4579 * varasm.c: (handle_pragma_weak): Only create this function if
4580 HANDLE_PRAGMA_WEAK is defined.
4582 * c-common,c (decl_attributes): If defined call the expression
4583 contained within the INSERT_ATTRIBUTES macro before adding
4584 attributes to a decl.
4586 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4587 HANDLE_PRAGMA, which takes three arguments.
4588 (INSERT_ATTRIBUTES): Document this new macro.
4590 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4591 new INSERT_ATTRIBUTES macro.
4593 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4595 * config/sparc/sparc.md (movdf): Only generate special RTL for
4596 LABEL_REFs when PIC.
4597 (move_label_di): Remove
4598 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4599 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4600 references when PIC.
4601 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4602 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4603 output an .xword for all 64-bit cases.
4605 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4607 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4608 alignment, use FUNCTION_BOUNDARY instead.
4609 (sparc_output_deferred_case_vectors): Likewise.
4611 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4613 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4614 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4616 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4618 * alpha/va_list.h: New file.
4619 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4621 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4623 * NEWS: Add SCO Openserver and Unixware 7 notes.
4627 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4629 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4630 (record_constant_1): Handle RANGE_EXPR.
4632 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4634 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4635 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4636 and NOTE_INSN_RANGE_END specially.
4637 (reemit_notes): Likewise.
4639 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4641 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4642 (ultrasparc_sched_init): Remove unneeded &.
4644 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4646 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4647 for m68020-60, to prevent the use of fintrz.
4649 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4651 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4653 * Makefile.in: Likewise.
4654 * configure: Regenerated.
4656 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4658 * configure.in (gxx_include_dir): Changed to
4659 '${prefix}/include/g++'-${libstdcxx_interface}.
4660 * configure: Rebuilt.
4662 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4664 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4666 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4667 *sequences* *below* which scalar moves will be used.
4669 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4671 * collect2.c (mktemp): Delete unused declaration.
4673 * config/xm-netbsd.h: Remove unnecessary file.
4674 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4675 file anymore, it is not needed.
4677 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4679 * convert.c (convert_to_integer): Issue an error on conversions to
4682 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4684 * Makefile.in: Add lang_tree_files and gencheck.h.
4685 * configure.in: Generate them.
4686 * gencheck.c: Include gencheck.h.
4688 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4690 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4691 movdi_lo_sum_pic and movdi_high_pic and make visible.
4692 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4693 emit these when Pmode is not SImode.
4694 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4696 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4698 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4699 .linkonce directive after the first time.
4701 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4703 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4704 the clobbered operand overlaps with an input.
4705 (bne0_di): Similarly.
4707 * Makefile.in (INSTALL): Remove "--no-header" argument.
4709 * NEWS: Various updates.
4711 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4713 * config/sparc/sparc.c (arith_operand, const64_operand,
4714 const64_high_operand, arith_double_4096_operand): Mark mode as
4716 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4718 (sparc_emit_set_const64): Remove unused variable i.
4719 (sparc_splitdi_legitimate): Likewise for addr_part.
4720 (ultra_code_from_mask): Likewise for mask.
4721 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4722 reverse return values so it matches usage and comments.
4723 (ultra_flush_pipeline): Likewise.
4724 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4725 this_type, and allow loads and stores of differing FP modes as
4726 they do not create a conflict.
4727 (ultra_find_type): Initialize fpmode to SFmode, fix
4728 parenthesization thinkos in large conditional.
4729 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4730 Init free_slot_mask after ultra_cur_hist is reset, not before.
4731 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4732 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4733 use ultra_flush_pipeline instead, then re-init group pointer.
4734 Fix statement with no effect. If no progress made in, and no
4735 instructions scheduled at all, advance to new pipeline cycle else
4736 we get into an endless loop.
4737 (ultrasparc_adjust_cost): Remove previous arg.
4738 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4740 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4742 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4743 code. Use reg_overlap_mentioned_p to detect when source and
4744 destination overlap.
4745 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4747 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4749 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4750 COMPARISON_VAL, into invariant_p.
4752 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4754 * regmove.c (regclass_compatible_p): New function.
4755 (regmove_optimize): Use it.
4757 Use NREGS parameter insted of calling max_reg_num.
4759 (fixup_match_1): Don't use code = MINUS when later tieing with
4760 a hard register is likely.
4762 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4764 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4765 COMPARISON_VAL was normalized.
4767 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4769 * loop.c (check_dbra_loop): The loop ending comparison value
4770 must be an invariant or we can not reverse the loop.
4772 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4773 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4775 (load_mems_and_recount_loop_regs_set): Likewise.
4777 * i386.c (print_operand): Remove obsolete 'c' docs.
4779 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4781 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4782 * frame.c (init_object_mutex): New function.
4783 (init_object_mutex_once): Likewise.
4784 (find_fde): Call it.
4785 (__register_frame_info): Likewise.
4786 (__register_frame_info_table): Likewise.
4787 (__deregister_frame_info): Likewise.
4789 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4791 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4793 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4795 * loop.c (check_dbra_loop): Enable code for reversal
4796 of some loops without a known constant loop end.
4798 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4800 * haifa-sched.c (last_clock_var): New.
4801 (schedule_block): Initialize it.
4802 (schedule_insn): Use it to fill insn modes with issue information.
4804 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4805 Tag trapb and next insn with TImode.
4806 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4807 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4808 Invoke alphaev5_align_insns as appropriate.
4809 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4810 (MD_SCHED_VARIABLE_ISSUE): New.
4811 * alpha.md (attr type): Add multi.
4812 (define_asm_attributes): New.
4813 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4814 (arg_home): Likewise.
4815 (fnop, unop, realign): New.
4817 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4819 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4820 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4822 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4823 (rs6000-ibm-aix4.[12]*): Likewise.
4824 * configure: Regnerate.
4826 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4828 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4829 already contains the return address.
4831 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4833 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4834 word sized hunks when loading unaligned args into registers.
4836 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4837 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4839 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4841 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4843 * loop.c (check_dbra_loop): Add some code that would allow reversal
4844 of some loops without a known constant loop end if it were enabled.
4846 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4848 * mips.md (lshrsi3_internal2+2): Fix type-o.
4850 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4852 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4853 correctly with regards to stdio.h.
4855 * calls.c: Remove stdarg.h/varargs.h.
4858 * combine.c: Likewise.
4859 * cpperror.c: Likewise.
4860 * cpplib.c: Likewise.
4861 * cpplib.h: Likewise.
4862 * doprint.c: Likewise.
4863 * emit-rtl.c: Likewise.
4864 * final.c: Likewise.
4865 * fix-header.c: Likewise.
4867 * genattr.c: Likewise.
4868 * genattrtab.c: Likewise.
4869 * gencodes.c: Likewise.
4870 * genconfig.c: Likewise.
4871 * genemit.c: Likewise.
4872 * genextract.c: Likewise.
4873 * genflags.c: Likewise.
4874 * genopinit.c: Likewise.
4875 * genoutput.c: Likewise.
4876 * genpeep.c: Likewise.
4877 * genrecog.c: Likewise.
4878 * mips-tfile.c: Likewise.
4879 * prefix.c: Likewise.
4880 * protoize.c: Likewise.
4881 * regmove.c: Likewise.
4882 * toplev.c: Likewise.
4885 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4887 * config/sparc/sparc.c (sparc_override_options): If not
4888 TARGET_FPU, turn off TARGET_VIS.
4889 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4890 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4891 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4892 (movdi_insn_sp64): Add VIS fzero alternative.
4893 (clear_sf, clear_df): New VIS patterns.
4894 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4896 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4898 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4900 * loop.c (n_times_set, n_times_used, may_not_optimize,
4901 reg_single_usage): Convert to varrays. All uses changed.
4902 (insert_loop_mem): Return a value.
4903 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4904 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4907 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4910 * configure.in: Do not set thread_file to "irix" since no such
4913 * sparc.md (float abs/neg splits): Check reload_completed before
4914 calling alter_subreg.
4916 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4918 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4920 * config/sparc/sparc.h: Declare it.
4921 * config/sparc/sparc.md (float abs/neg splits): Use it.
4922 (all other splits): Handle SUBREGs properly where necessary.
4923 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4925 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4927 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4928 an insn on the unfilled_slots_list that has no delay slots.
4929 (fill_eager_delay_slots): Similarly.
4931 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4933 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4934 as an ordinary operand.
4936 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4938 * tree.c (valid_machine_attribute): Don't apply attributes to both
4941 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4943 * reload.c (operands_match_p): Handle rtvecs.
4945 * i386.c (legitimate_pic_address_disp_p): New.
4946 (legitimate_address_p): Use it.
4947 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4948 Handle constant pool symbols just like statics.
4949 (emit_pic_move): Use Pmode not SImode for clarity.
4950 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4951 [UNSPEC]: New, handling what we killed above.
4952 [PLUS]: Detect and abort on invalid symbol arithmetic.
4953 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4955 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4957 * alias.c: Include output.h.
4958 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4959 different if we're in a varargs function.
4960 * Makefile.in (alias.o): Depend on output.h
4962 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4964 * sh.h (GIV_SORT_CRITERION): Delete.
4966 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4968 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4969 * stupid.c (stupid_life_analysis): Ditto.
4970 * reload1.c (reload): Ditto.
4972 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4974 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4975 arith_double_4096_operand, arith_double_add_operand): New
4977 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4978 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4979 them to transform add/sub 4096 into add/sub -4096.
4981 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4983 * loop.c (scan_loop): Allocate some slop to handle pseudos
4984 generated by move_movables.
4985 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4988 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4990 * tree.def (DECL_RESULT): Correct documentation.
4992 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4994 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4995 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4996 conflicts will all RELOAD_FOR_OUTPUT reloads.
4998 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4999 loads the function result, substitute with a USE.
5001 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5003 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
5004 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
5005 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
5006 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
5007 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
5008 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
5010 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
5011 'o' to 'm' for GPR variant constraints.
5013 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
5015 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
5017 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
5019 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
5020 when the source and destination overlap.
5022 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
5023 clash with global type.
5025 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
5027 * fixinc.irix: Add curses.h handling from fixinc.wrap.
5029 * c-common.c (combine_strings): Also set TREE_READONLY.
5030 Change warn_write_strings to flag_const_strings.
5031 * c-decl.c, c-tree.h: Likewise.
5033 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5035 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
5036 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
5037 sequence, use SET/IOR instead so CSE can see it.
5038 * config/sparc/sparc.md (movhi_const64_special,
5039 movsi_const64_special): New patterns necessitated by that change.
5040 (movhi_high): Remove.
5041 (movhi_lo_sum): Change to match an IOR.
5042 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
5043 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
5044 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
5045 (movdf splits): Allow when not V9 or when not ARCH64 and integer
5046 registers are involved.
5047 (snesi_zero_extend split): Remove reload_completed test.
5048 (unnamed plus and minus zero_extend sidi splits): Add it.
5050 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
5052 * extend.texi: Remove description of extension to explicit
5053 instantiation that is now endorsed by standard C++.
5055 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5057 * config/arc/arc.c (arc_initialize_pic): Remove.
5058 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
5059 nothing on any platform and is invoked by no-one, it does not even
5060 appear in the documentation.
5061 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
5062 * config/sparc/sparc.c (initialize_pic): Likewise.
5063 (find_addr_reg): Remove this as well, no longer referenced after
5066 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
5068 * recog.c (validate_replace_rtx_group): New function.
5069 * recog.h (validate_replace_rtx_group): Declare it.
5070 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
5071 the entire group of substitutions.
5073 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
5075 * loop.c (load_mems): Fix initializers.
5077 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5079 * config/sparc/sparc.md (TFmode splits): Handle destination
5080 registers being referenced in the address correctly.
5082 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
5083 TREE_UNSIGNED, when bitsize of type's mode is larger than
5084 HOST_BITS_PER_WIDE_INT.
5086 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5088 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
5089 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
5090 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
5092 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
5095 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
5097 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
5098 * h8300.h (TINY_DATA_NAME_P): Likewise.
5099 (STRIP_NAME_ENCODING): Handle '&'.
5101 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
5102 register (it could be accessed via an outer SUBREG).
5103 (REG_OK_FOR_BASE_P): Likewwise.
5104 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
5106 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
5109 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
5111 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5113 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
5114 must be offsettable so the splits can be made.
5116 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
5118 * config/i386/winnt.c: Include system.h, not stdio.h to get
5119 sys/param.h pulled in before rtl.h in case the system defines MIN
5122 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
5124 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
5126 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
5128 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
5130 * cpplib.c (cpp_define): Handle macros with parameters.
5132 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5134 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
5135 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
5136 and DImode 64-bit. Use llong for minimal-toc SFmode and
5137 SYMBOL_REF / LABEL_REF 64-bit.
5138 (output_function_profiler): Use llong for profiler label and ld to
5139 load 64-bit label address.
5141 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
5143 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
5146 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
5148 * version.c: Bump for snapshot.
5150 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
5152 * version.c: Bump for snapshot.
5154 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
5156 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
5158 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
5160 * tm.texi (Misc): Fix typo "teh".
5162 * tm.texi (PIC): Fix typo "PPIC".
5164 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
5165 effect when -O2 and higher.
5166 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
5168 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
5170 * regclass.c: Changed register set documentation to be consistent
5173 * final.c (final_start_function) Removed redundant test for
5176 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
5178 * rtl.h (rtx_function): New type.
5179 (for_each_rtx): New function.
5180 * rtlanal.c (for_each_rtx): Define it.
5182 * recog.c (change_t): New type.
5183 (change_objects, change_old_codes, change_locs, change_olds):
5185 (changes): New variable.
5186 (validate_change): Dynamically allocate room for more changes, if
5187 necessary. Uses changes array instead of change_objects, etc.
5188 (apply_change_group): Use changes array instead of
5189 change_objects, etc.
5191 * loop.c (loop_mem_info): New type.
5192 (loop_mems): New variable.
5193 (loop_mems_idx): Likewise.
5194 (looop_mems_allocated): Likewise.
5195 (scan_loop): Remove nregs parameter.
5196 (next_insn_in_loop): New function.
5197 (load_mems_and_recount_loop_regs_set): Likewise.
5198 (load_mems): Likewise.
5199 (insert_loop_mem): Likewise.
5200 (replace_loop_mem): Likewise.
5201 (replace_label): Likewise.
5202 (INSN_IN_RANGE_P): New macro.
5203 (loop_optimize): Don't pass max_reg_num() to scan_loop.
5204 (scan_loop): Remove nregs parameter, compute it after any new
5205 registers are created by load_mems. Use INSN_IN_RANGE_P and
5206 next_insn_in_loop rather than expanding them inline. Call
5207 load_mems to load memory into pseudos, if appropriate.
5208 (prescan_loop): Figure out whether or not there are jumps from the
5209 loop to targets other than the label immediately following the
5210 loop. Call insert_loop_mem to notice all the MEMs used in the
5211 loop, if it could be safe to pull MEMs into REGs for the duration
5213 (strength_reduce): Use next_insn_in_loop. Tweak comments.
5215 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
5217 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
5219 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5221 * config/sparc/sparc.c (finalize_pic): Check for the correct
5222 nonlocal_goto_receiver UNSPEC number.
5223 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
5224 making note of this dependency existing in sparc.c
5225 (negtf2_notv9 split): Give NEG SFmode.
5226 (negsf2): Fix insn output string.
5228 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
5230 * c-common.c (decl_attributes): Issue an error if the argument
5231 to alias is not a string.
5233 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
5235 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
5236 pending memory flush list.
5238 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
5240 (try_combine): Allow combining insns with REG_LIBCALL notes.
5242 * expr.c (emit_block_move): Do not call memcpy as a libcall
5243 instead build up a CALL_EXPR and call it like any other
5245 (clear_storage): Similarly for memset.
5247 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
5250 * Makefile.in (cplus-dem.o): Provide explicit rules for building
5253 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
5254 and REG_LIVE_LENGTH as successful substitutions are made.
5256 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5258 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
5259 statement after end of loop label.
5261 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5263 * config/sparc/sparc.c (ultra_types_avail): New variable.
5264 (ultra_build_types_avail): New function to record mask of insn
5265 types in ready list at this cycle.
5266 (ultrasparc_sched_reorder): Call it.
5267 (ultra_find_type): Use it to quicken the search. Also simplif
5268 dependency check, don't use rtx_equal_p because we know exactly
5269 what we are looking for.
5271 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
5273 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
5274 for architecture v4.
5276 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5278 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
5280 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
5281 movdf_const_intreg and helper splits): New patterns to move float
5282 constants into integer registers.
5283 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
5286 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
5289 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
5291 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
5293 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
5294 a BASE_REGS register is needed as an intermediate when copying
5295 a symbolic value into any register class other than BASE_REGS.
5297 * expr.c (move_by_pieces): No longer static. Remove prototype.
5298 * rtl.h (move_by_pieces): Add extern prototype.
5299 * mips.c (expand_block_move): Handle aligned straight line copy by
5300 calling move_by_pieces.
5302 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
5305 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
5307 * stmt.c (expand_end_loop): Tidy. Allow unconditional
5308 jumps out of the loop to be treated as part of the exit test.
5310 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5311 Jeff Law <law@cygnus.com>
5313 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
5314 * cplus-dem.c: Delete.
5316 * Makefile.in (fold-const.o): depend on $(RTL_H).
5318 * fold-const.c: Include rtl.h to get the prototype for
5319 `set_identifier_local_value'.
5321 * loop.c (express_from_1): Remove unused variable `tmp'.
5322 (combine_givs): cast the first argument of bzero to char *.
5324 * toplev.c (display_help): Remove unused variable `looking_for_start'.
5326 * c-decl.c (init_decl_processing): Remove unneeded &.
5328 * alpha.h (alpha_initialize_trampoline): Provide prototype.
5330 * except.c (set_exception_lang_code, set_exception_version_code):
5331 Change parameter from `short' to `int' to avoid using a gcc
5334 * except.h (set_exception_lang_code, set_exception_version_code):
5335 Likewise for prototypes.
5337 * flow.c (count_reg_references): Remove unused variables `regno'
5340 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
5342 * prefix.c (translate_name): Cast the result of `alloca'.
5344 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
5346 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5348 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
5350 (valid_dbcc_comparison_p): Mark mode argument as unused.
5351 (symbolic_operand): Likewise.
5352 (legitimize_pic_address): Likewise.
5353 (const_uint32_operand): Likewise.
5354 (const_sint32_operand): Likewise.
5355 * sched.c [!INSN_SCHEDULING]: Define only dummy function
5356 schedule_insns and comment out rest of file.
5358 * m68k.c (output_move_simode_const): Use subl to move a zero into an
5360 (output_move_[hq]imode): Likewise.
5362 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
5364 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
5365 * invoke.texi: Corresponding changes.
5367 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
5369 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
5371 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5373 * config/sparc/sparc.c (ultra_code_from_mask,
5374 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
5375 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
5376 ultrasparc_sched_init, ultrasparc_variable_issue,
5377 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
5378 functions to describe UltraSPARC pipeline exactly to Haifa.
5379 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
5380 as there is nothing the scheduler can do about it. Indicate that
5381 REG_DEP_OUTPUT's collide. Fixup formatting.
5382 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
5383 divide costs on Ultra for DImode.
5384 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
5386 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
5387 ieuN and add call_no_delay_slot to type list.
5388 (cti function unit): New unit for branches on UltraSPARC.
5389 (subx/addx insns): Set type to misc.
5390 (sidi zero/sign extension insns on arch64): Set type to shift.
5391 (sign_extendhidi2_insn): Set type to sload.
5393 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
5395 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
5396 (output_epilog): Use if != 0 for offset.
5397 (rs6000_fatal_bad_address): Prepare for Intl.
5398 * rs6000.h (rs6000_fatal_bad_address): Declare.
5399 * rs6000.md (movsfcc, movdfcc): Use else if.
5400 (elf_high): Use {liu|lis}.
5401 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
5402 (movsi): Use rs6000_fatal_bad_address.
5404 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
5406 * reload.c (find_equiv_reg): Reject equivalences separated
5407 by a volatile instruction.
5409 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5411 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
5413 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
5415 * alpha.md (movsicc): Fix mode mismatch.
5417 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5419 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5421 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5423 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5425 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5426 write-only modifier from operand 1 constraint.
5428 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5430 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5431 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5433 (sparc_emit_set_const64): Likewise, also when computing trailing
5434 bits do not negate low_bits and make fast_int an int.
5436 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5438 * loop.c (add_label_notes): Do not ignore references to labels
5439 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5440 * gcse.c (add_label_notes): Similarly.
5442 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5444 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5445 (adddi_dishl32): Similarly.
5447 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5449 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5450 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5451 * cse.c (cse_basic_block): Add parens to shut up warnings.
5453 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5455 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5456 sparc_emit_set_const64_longway, const64_is_2insns,
5457 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5458 in 64-bit constant formation.
5459 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5460 rtl for addx not subx.
5461 (define_insn movdi_const64_special): Make available even when
5462 HOST_BITS_PER_WIDE_INT is not 64.
5463 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5464 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5465 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5466 instances of operand 1 inside a QI subreg.
5467 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5468 (one_cmpldi2_sp64): Fix output string.
5469 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5471 (unnamed arch64 ashift DI): Truncate shift count if greater than
5474 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5476 * expr.c (store_expr): Don't optimize away load-store pair
5477 when either source or destination have a side effect.
5479 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5481 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5482 operands of SET are incompatible.
5484 * alpha.md: Fix max and min patterns so modes of SET operands match.
5486 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5488 * configure.in: Avoid [[ by using test and changequote.
5489 * configure: Rebuild.
5491 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5493 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5495 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5496 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5497 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5498 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5499 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5500 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5501 Fix mismatching modes in SET operands.
5502 (conditional move patterns): Fix formatting.
5503 (unnamed subx arch64 pattern): Remove duplicate insn.
5505 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5507 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5508 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5509 (input_operand): Fixup test for what we accept for constant
5511 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5513 (safe_constDI): Remove.
5514 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5515 gen_safe_XOR64): New functions.
5516 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5517 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5519 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5520 available when HOST_BITS_PER_WIDE_INT is not 64.
5521 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5522 move before movdi_insn_sp64 pattern.
5523 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5524 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5525 symbolic_operand as predicate for second operand.
5526 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5527 expander): Give set VOIDmode.
5529 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5531 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5533 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5535 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5537 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5539 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5541 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5543 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5545 * install.texi: Various SCO OpenServer tweaks.
5547 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5549 * reload1.c (eliminate_regs_in_insn): Handle another case when
5550 eliminating the frame pointer to the hard frame pointer. Add
5551 missing ep->to_rtx check to one existing case.
5553 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5555 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5557 * tree.h: De-conditionalize init_priority code.
5559 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5560 * collect2.c (NM_FLAGS): Change from -p to -n.
5562 * configure.in: Turn on collect2 for mipstx39-elf.
5563 Handle use_collect2=no properly.
5565 * c-common.c: De-conditionalize init_priority code.
5566 * collect2.c (extract_init_priority, sort_ids): New fns.
5567 (main): Call sort_ids.
5568 Move sequence_number to file scope.
5570 * configure.in: Handle --enable-init-priority.
5571 * c-common.c (attrs): Add A_INIT_PRIORITY.
5572 (init_attributes, decl_attributes): Likewise.
5573 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5574 * tree.c (get_file_function_name_long): Split out...
5575 (get_file_function_name): ...from here.
5577 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5579 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5582 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5584 * toplev.c (display_help): Add braces to shut up warnings.
5585 * tree.c (simple_cst_equal): Likewise.
5587 * fold-const.c (non_lvalue): Don't deal with null pointer
5589 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5591 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5592 of any size to a pointer.
5594 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5596 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5598 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5600 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5601 which will be saved.
5602 * mn10300.md (prologue insn): Only save registers which need saving.
5603 (epilogue insn): Similarly.
5605 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5608 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5610 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5611 VAR_DECL's in gp addressable sections.
5613 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5615 * sparc.c: Change return <exp> to <exp>; return; in functions
5617 * sparc.md: Add empty semicolon statement after final label in
5620 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5622 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5623 addx_extend_sp64, only allow when TARGET_ARCH64.
5624 (define_insn addx_extend_sp32 and split): Version that works when
5626 (define_insn subx_extend): Likewise.
5627 (define_split adddi3 and subdi3 with zero extension): Fixup and
5628 correct bugs when not TARGET_ARCH64.
5630 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5632 * except.c (set_exception_lang_code, set_exception_version_code):
5633 Use prototype-style definition if __STDC__, to match declaration
5636 * genemit.c: Change FAIL and DONE macros not to use loops.
5638 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5640 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5641 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5643 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5645 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5647 * README.g77: Update from Craig.
5649 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5651 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5653 (safe_constDI sparc_emit_set_const64_quick1,
5654 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5655 analyze_64bit_constant, const64_is_2insns,
5656 create_simple_focus_bits): Fix some bugs when compiled on real
5658 (function_arg_record_value_3, function_arg_record_value_2,
5659 function_arg_record_value): Add fully prototyped forward decls.
5660 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5661 to cmpsi_insn and use on both 64 and 32 bit targets.
5662 (define_insn cmpsi_insn_sp64): Remove.
5663 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5664 (define_insn zero_extendsidi2_insn): Rename to
5665 zero_extendsidi2_insn_sp64.
5666 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5667 assosciated forced split for it.
5669 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5671 * config/sparc/sparc.h: Declare them.
5672 (PREDICATE_CODES): Add them.
5673 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5674 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5676 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5678 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5679 in v9 case as the latter makes the Solaris assembler crash.
5681 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5683 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5684 for TFmode when !v9. We require offsettable memory addresses.
5685 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5686 DFmode register number conversions.
5687 * config/sparc/sparc.md (define_split DFmode moves): If register
5688 is a SUBREG do alter_subreg on it before using.
5689 (define_expand movtf): Fixup comment about alignment on v9.
5690 (define_split TFmode moves): Don't use gen_{high,low}part, create
5691 explicit SUBREGs instead.
5693 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5695 * Makefile.in (mbchar.o): Depend on mbchar.c.
5697 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5698 Richard Henderson <rth@cygnus.com>
5700 Rewrite Sparc backend for better code generation and
5701 improved sparc64 support.
5702 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5704 * config/sparc/sysv4.h: Likewise.
5705 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5706 move_operand, v8plus_regcmp_op, emit_move_sequence,
5707 singlemove_string, doublemove_string, mem_aligned_8,
5708 output_move_double, output_move_quad, output_fp_move_double,
5709 move_quad_direction, output_fp_move_quad, output_scc_insn):
5711 (small_int_or_double): New predicate.
5712 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5713 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5714 old pic_{sethi,lo_sum}_si patterns.
5715 (mem_min_alignment): New generic function to replace
5716 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5717 available and can test for arbitrary alignments. All callers
5719 (save_regs, restore_regs, build_big_number,
5720 output_function_prologue, output_cbranch, output_return,
5721 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5722 sparc_flat_output_function_epilogue): Prettify
5724 (output_function_epilogue): Likewise and add code to output
5725 deferred case vectors.
5726 (output_v9branch): Likewise, add new arg INSN and use it to tack
5727 on branch prediction settings. All callers changed.
5728 (print_operand): Likewise and output %l44 for LO_SUMs when
5730 (sparc_splitdi_legitimate): New function to make sure DImode
5731 splits can be run properly when !arch64.
5732 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5733 Reformat example code in comments.
5734 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5735 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5736 of deferred case vectors we need to output.
5737 (sparc_defer_case_vector): Record a case vector.
5738 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5739 sparc_output_deferred_case_vectors): New functions to output them.
5740 (sparc_emit_set_const32): New function to form 32-bit constants in
5741 registers when that requires more than one instruction.
5742 (safe_constDI, sparc_emit_set_const64_quick1,
5743 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5744 analyze_64bit_constant, const64_is_2insns,
5745 create_simple_focus_bits, sparc_emit_set_const64): New functions
5746 which do the same for 64-bit constants when arch64.
5747 (sparc_emit_set_symbolic_const64): New function to emit address
5748 loading for all code models on v9.
5749 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5750 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5751 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5752 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5753 inaccuracies in comments, add symbolic and text_segment operands
5754 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5755 GENERAL_REGS in these cases as a temp REG is needed to load these
5756 addresses into a register properly.
5757 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5759 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5760 quads are guarenteed to have 16-byte alignment.
5761 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5762 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5763 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5764 deferred case vector implementation.
5765 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5766 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5767 Generate "internal label - label" instead of "label - 1b".
5768 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5769 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5770 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5772 (doublemove_string, output_block_move, output_fp_move_double,
5773 output_fp_move_quad, output_move_double, output_move_quad,
5774 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5775 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5776 (sparc_emit_set_const32, sparc_emit_set_const64,
5777 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5778 mem_min_alignment, small_int_or_double): Add externs.
5779 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5780 UNSPEC_VOLATILE in this backend.
5781 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5782 unary to types which execute in it.
5783 (define_function_unit ieu_shift): Rename to ieu0.
5784 (define_function_unit ieu1): New, executes compare, call, and
5785 uncond_branch type insns.
5786 (define_function_units for type fdivs, fdivd, fsqrt): These
5787 execute in the fpu multiply unit not the adder on UltraSparc.
5788 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5789 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5790 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5791 allows the arith_double_operand predicate and rHI constraint when
5793 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5794 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5795 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5796 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5797 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5798 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5799 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5800 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5801 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5802 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5803 sign_extendqihi2_insn, sign_extendqisi2_insn,
5804 sign_extendqidi2_insn, sign_extendhidi2_insn,
5805 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5806 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5807 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5808 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5809 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5810 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5811 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5812 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5813 smulsi3_highpart_v8plus, unnamed subreg mult,
5814 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5815 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5816 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5817 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5818 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5819 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5820 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5821 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5822 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5823 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5824 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5825 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5826 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5827 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5828 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5829 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5830 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5831 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5832 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5833 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5834 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5835 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5836 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5837 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5838 call_address_untyped_struct_value_sp32,
5839 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5840 call_value_symbolic_sp32, call_value_address_sp64,
5841 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5842 flush_register_windows, goto_handler_and_restore,
5843 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5844 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5845 return_addsi, return_di, return_adddi, return_sf, all call+jump
5846 peepholes, trap, unnamed trap insns): Prettify output strings.
5847 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5848 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5849 Likewise and force + implement splits for integer cases.
5850 (define_insn return_sf_no_fpu): Likewise and allow to match when
5851 no-fpu because of our subreg SFmode splits.
5852 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5853 zero_extendqidi2_insn, zero_extendhidi2_insn,
5854 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5855 input_operand for second operand.
5856 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5857 reg_or_0_operand for operand 2 so new splits can use it.
5858 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5859 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5861 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5862 CONST_DOUBLEs for operand 2.
5863 (define_insn move_label_di): Likewise and label distance
5864 optimization because it no longer works with new deferred case
5865 vector scheme. To be revisited.
5866 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5867 and allow reg_or_0_operand and J constraint for second operand.
5868 (define_insn jump): Set branch predict taken on V9.
5869 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5870 new deferred case vector scheme.
5871 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5872 (define_insn negdi2_sp32): Force + implement splits.
5873 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5874 one_cmplsi2_not_liveg0 respectively, and create expander of original
5875 names which emit special rtl for TARGET_LIVE_G0.
5876 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5877 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5878 gen_compare_reg, FAIL instead.
5879 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5880 values when trying to reverse condition codes, if they FAIL then
5882 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5883 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5884 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5885 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5886 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5887 set output string to # to indicate they are mandatory splits.
5888 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5889 pic_sethi_di, move_pic_label_si): Remove.
5890 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5891 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5893 (define_expand movsi_pic_label_ref, define_insn
5894 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5895 expander and insns to handle PIC label references and deferred
5897 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5899 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5900 Rewrite to not use emit_move_sequence, make use of new constant
5901 formation code, and new splits for all multi-insn cases.
5902 (define_insn movqi_insn): Remove sethi case, it can never happen.
5903 Use reg_or_zero_operand instead of const0_rtx explicit test,
5904 use input_operand instead of move_operand for source, and use
5905 general_operand now for dest.
5906 (define_insn movhi_insn): Similar but leave sethi case.
5907 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5908 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5909 movhi_lo_sum respectively, prettify output string.
5910 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5911 register when needed on TARGET_LIVE_G0.
5912 (define_insn movsi_insn): Use general_operand and input_operand
5913 for dest and src respectively. Simplify applicability test.
5914 Prettify output strings, and add clr alternative for J
5916 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5917 deprecated std and reg-reg DI moves): Remove and...
5918 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5919 implementation which uses forced splits for all non-single insn
5921 (define_split DI move cases on !arch64): New splits to handle all
5922 situations of 64-bit double register DImode on 32bit, and
5923 unaligned registers and memory addresses for all subtargets.
5924 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5926 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5927 input_operand for dest and src respectively, prettify output
5929 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5930 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5932 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5933 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5934 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5935 movtf_no_e_insn_sp64) Replace with new
5936 implementation which uses forced splits for all non-single insn
5938 (define_split DF move cases): New splits in similar vein to DI
5940 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5941 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5942 movdi_sp64_insn): Remove old v9 code model and constant loading
5944 (define_insn pic_lo_sum_di, pic_sethi_di,
5945 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5946 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5947 embmedany_sethi, embmedany_losum, embmedany_brsum,
5948 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5949 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5950 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5951 scheme, using unspecs, secondary reloads, and one to one sparc
5952 insn to rtl insn mapping for better scheduling and code gen.
5953 (define_expand reload_indi, reload_outdi): Reload helpers for
5954 MEDANY and EMBMEDANY symbol address loading cases which require a
5956 (define_expand movsicc): Remove v8plus_regcmp cases.
5957 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5958 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5959 cmp_diqi_trunc_set): New patterns used by some of the new scc
5961 (define_insn xordi3_sp64_dbl): New pattern used for constant
5962 formation when crossing from 32-bit targets.
5963 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5965 (define_insn addx, subx): Make visible and prettify.
5966 (define_insn adddi3_insn_sp32): Likewise and force split.
5967 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5968 64bit scc split usage.
5969 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5970 zero_extend, subdi3): Force and implement splits.
5972 * final.c (final_scan_insn): Don't output labels if target
5973 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5976 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5977 don't forget to walk inside SEQUENCESs too as these are what the
5978 delay slot scheduler will create.
5980 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5982 * alpha.md (extxl+1,+2): New patterns to work around
5985 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5987 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5988 caused bad assembly code to be generated.
5990 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5992 * netbsd.h: Fix typo.
5994 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5996 * config.sub: Fix typo.
5998 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
6000 * invoke.texi (Environment Variables): Typo: Change "ascpects"
6002 (Running Protoize): Typo: Change "ther" into "other".
6004 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
6006 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
6007 * m68k/netbsd.h: Likewise.
6008 * ns32k/netbsd.h: Likewise.
6009 * sparc/netbsd.h: Likewise.
6011 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
6013 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
6014 * ginclude/va-clipper.h (va_list): Likewise.
6016 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
6018 * rs6000.c (rs6000_override_options): If big endian and -Os, use
6019 load/store multiple instructions unless user overrides.
6021 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
6023 * ns32k/netbsd.h: Fix typo.
6025 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
6027 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
6028 labels with .debugsym if no parallel insns.
6030 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
6032 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
6033 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
6035 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
6037 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
6038 (AR_FOR_TARGET): Define.
6040 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
6042 * dyn-string.h: New file.
6043 * dyn-string.c: Likewise.
6044 * Makefile.in (OBJS): Add dyn-string.o.
6045 (dwarf2out.o): Add dyn-string.h dependency.
6046 (dyn-string.o): List dependencies.
6047 * dwarf2out.c: Include dyn-string.h.
6048 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
6049 (addr_const_to_string): Take a dyn_string_t, not a char* as a
6050 prototype. Use dyn_string_append rather than strcat, throughout.
6051 (addr_to_string): Use dyn_string_t.
6053 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
6055 Function entry/exit profiling instrumentation:
6056 * expr.h (profile_function_entry_libfunc,
6057 profile_function_exit_libfunc): Declare new variables.
6058 * optabs.c: Define them here.
6059 (init_optabs): Initialize them.
6060 * tree.h (struct tree_decl): New flag
6061 no_instrument_function_entry_exit.
6062 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
6063 * c-decl.c (duplicate_decls): Merge it.
6064 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
6065 (init_attributes): Use it for "no_instrument_function".
6066 (decl_attributes): Handle it, for functions that have not yet been
6067 compiled. Set decl flag.
6068 * flags.h (flag_instrument_function_entry_exit): Declare new
6070 * toplev.c (flag_instrument_function_entry_exit): Define it here.
6071 (f_options): New option "instrument-functions".
6072 * function.h (struct function): New field instrument_entry_exit.
6073 * function.c (current_function_instrument_entry_exit): New
6075 (push_function_context_to, pop_function_context_from): Save and
6077 (expand_function_start): Set current_ variable, maybe emit return
6078 label and entry profile call.
6079 (expand_function_end): Maybe emit exit profile call.
6081 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
6083 * i386.md (movqi): When optimizing a load of (const_int 1) into a
6084 NON_QI_REG_P, pretend the register is SImode.
6086 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
6088 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
6089 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
6090 manufacturer id for ns32k.
6091 * configure: Regenerated.
6092 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
6093 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
6094 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
6095 * config/m68k/netbsd.h: Same.
6096 * config/ns32k/netbsd.h: Same.
6097 * config/sparc/netbsd.h: Same.
6099 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
6101 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
6102 or UNROLL_COMPLETELY loop that starts with a jump to its
6105 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
6107 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
6108 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
6109 (print_operand, case 'B'): Don't fall through.
6110 (print_operand, case 'S'): Correct mask begin/end computation.
6111 Use HOST_BITS_PER_WIDE_INT.
6112 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
6113 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
6114 * rs6000/aix41.h (CPP_PREDEFINES): Same.
6115 * rs6000/aix43.h (CPP_PREDEFINES): Same.
6117 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
6119 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
6120 constraint from second alternative.
6122 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6124 * configure.in: Fix --without/--disable cases for local-prefix,
6125 gxx-include-dir and checking.
6127 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6129 * configure.in (enable_haifa): Set by default for sparc64 too.
6132 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6134 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
6135 * i386/winnt.c (associated_type): New fn.
6136 (i386_pe_valid_type_attribute_p): New fn.
6137 (i386_pe_check_vtable_importexport): Remove.
6138 (i386_pe_dllexport_p): Use associated_type.
6139 (i386_pe_dllimport_p): Likewise.
6141 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
6142 * i386.c (i386_valid_type_attribute_p): Also accept
6143 attributes for METHOD_TYPEs.
6145 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
6147 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
6149 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
6151 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
6153 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
6154 them from generating a new base name for each occurence of
6157 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
6159 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
6161 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
6165 * cplus-dem.c (type_kind_t): New type.
6166 (demangle_template_value_parm): Add type_kind_t parameter. Rely
6167 on this paramter, rather than demangling the type again.
6168 (demangle_integral_value): Pass tk_integral.
6169 (demangle_template_: Pass the value returned from do_type.
6170 (do_type): Return a type_kind_t. Pass tk_integral to
6171 demangle_template_value_parm for array bounds.
6172 (demangle_fund_type): Likewise.
6174 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
6176 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
6179 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
6181 * pa.c (move_operand): Accept CONSTANT_P_RTX.
6183 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
6185 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
6187 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
6190 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
6192 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
6193 (DEBUGGER_ARG_OFFSET): Likewise.
6195 * mn10300.md (movsf): Remove last change. Not needed.
6197 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
6199 * c-lex.c (yylex): Fix boundary conditions in character literal and
6200 string literal loops.
6202 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
6204 * longlong.h (count_leading_zeros): Sparclite scan instruction was
6205 being invoked incorrectly.
6207 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
6208 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
6210 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
6211 * configure.in: Added i[34567]86-*-win32
6212 * config.sub: Ditto.
6213 * configure: Rebuilt.
6215 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
6217 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
6218 the frame pointer and compiling PIC code and reload has not completed.
6220 * i386.c (output_to_reg): Add code to emulate non-popping DImode
6223 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
6225 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
6227 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6229 * Makefile.in (install-info): Only try to update the info
6230 directory file if it exists in the first place.
6232 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
6234 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
6236 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
6238 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
6239 CONST_DOUBLE source.
6241 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
6243 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
6244 strings as the insertion of USER_LABEL_PREFIX.
6245 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
6247 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
6250 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
6252 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
6253 already defined type.
6255 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
6257 * expr.c (check_max_integer_computation_mode): Allow conversions
6258 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
6259 (expand_expr): Likewise.
6261 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6263 * expr.c (expand_expr): Expand RETURN_EXPR.
6265 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
6267 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
6269 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
6271 * dwarf2out.c (output_aranges): Call stripattributes
6272 for TEXT_SECTION references.
6273 (output_line_info): Likewise.
6275 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6277 * profile.c (branch_prob): Call allocate_reg_info after outputting
6278 profile rtl in instrument_arcs.
6280 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
6282 * fixinc.irix (math.h): Install wrapper instead of copying.
6284 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6286 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
6287 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
6288 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
6289 lang_flag_0. Added documentation in the flag table.
6291 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
6293 * cccp.c (do_include): Fix vax c style include handling.
6295 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6297 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
6299 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
6301 * fold-const.c (non_lvalue): Don't deal with null pointer
6303 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6305 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
6307 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
6308 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
6309 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
6310 (u_short_cint_operand): Same.
6311 (reg_or_cint_operand): Same.
6312 (logical_operand): Same.
6313 (input_operand): Same.
6314 (reg_or_short_operand): Use u_short_cint_operand.
6316 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
6318 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
6319 but keep the insns and splits. Adjust so when the ultimate destination
6320 is memory, use cvtql.
6322 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
6324 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
6326 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
6328 * gcc.c (do_spec): Call "error" not "warning".
6330 * configure.in: Fix minor problems with gas feature detection code.
6331 * configure: Rebuilt.
6333 * gcc.c (do_spec): Issue a warning for '%[]' usage.
6336 * gcc.c: Delete %[spec] support.
6337 (do_spec_1, case '('): Likewise.
6338 (do_spec_1, case '['): Call error.
6340 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
6342 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
6343 (CPP_SUBTARGET_SPEC): Default to empty string.
6344 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
6345 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
6346 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
6347 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
6349 * alpha/linux.h (CPP_PREDEFINES): Tidy.
6350 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
6351 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
6352 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
6353 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
6354 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
6355 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
6356 * alpha/vxworks.h: Likewise.
6358 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
6360 * mips.md (reload_outsi): Added missing REGNO call.
6361 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
6363 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
6364 another match_operator and compare the codes.
6366 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
6368 * MIPS multiply pattern fixes:
6369 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6370 Add union classes for HI, LO, or HILO plus general registers.
6371 (GENERATE_MADD): Deleted.
6372 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
6373 Add TARGET_MAD to condition.
6374 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
6375 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
6376 "*d" for accumulator, to give preference to LO initially but not
6379 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
6381 * configure.in (enable_c_mbchar): New configure option.
6382 (extra_cpp_objs): Always available now.
6384 * cexp.y (mbchar.h): #include it.
6385 (yylex): Handle Multibyte characters in character literals.
6387 * cccp.c (mbchar.h): #include it.
6388 (main): Set character set based on LANG environment variable.
6389 (rescan): Handle multibyte characters in comments.
6390 (skip_if_group): See above.
6391 (validate_else): See above.
6392 (skip_to_end_of_comment): See above.
6393 (macarg1): See above.
6394 (discard_comments): See above.
6395 (rescan): Handle multibyte characters in string and character literals.
6396 (collect_expansion): See above.
6397 (skip_quoted_string): See above.
6398 (macroexpand): See above.
6399 (macarg1): See above.
6400 (discard_comments): See above.
6401 (change_newlines): See above.
6403 * c-lex.c (mbchar.h): #include it.
6404 (GET_ENVIRONMENT): New macro.
6405 (init_lex): Set character set based on LANG environment variable.
6406 (yylex): Handle multibyte characters in character literals.
6407 (yylex): Handle multibyte characters in string literals.
6409 * Makefile.in (mbchar.o): New target.
6410 (cccp$(exeext)): @extra_cpp_objs@ is always available.
6411 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
6413 * mbchar.[ch]: New files for multibyte character handling.
6415 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6417 * jump.c (jump_optimize): When simplifying noop moves and
6418 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6419 the PUSHes to rewrite in second loop as we did in the first.
6421 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6423 * cplus-dem.c (demangle_nested_args): Make function definition
6424 static to match the prototype.
6426 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6428 * alloca.c: Respect USE_C_ALLOCA.
6429 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6430 * gengenrtl.c (xmalloc): Likewise.
6432 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6434 * loop.h (struct induction): Add no_const_addval.
6435 * loop.c (the_movables, reg_address_cost): New variables.
6436 (init_loop): Init reg_address_cost.
6437 (loop_optimize): Call end_alias_analysis.
6438 (scan_loop): Init the_movables.
6439 (record_giv): Init induction->no_const_addval.
6440 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6441 [REG]: Rearrange loop search test to catch more cases.
6442 (general_induction_var): Return success not benefit; take an extra
6443 argument for that. Change all callers.
6444 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6445 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6446 [default]: Search the_movables for additional combinations.
6447 (sge_plus_constant, sge_plus): New functions.
6448 (express_from_1): New function.
6449 (express_from): Always define. Rewrite using express_from_1.
6450 (combine_givs_p): Handle more cases. Ignore address cost.
6451 (cmp_combine_givs_stats): New function.
6452 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6453 (combine_givs): Rewrite to do best-fit combination.
6455 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6456 (fold): Do a complete (A*C)+(B*C) association check.
6458 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6460 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6462 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6464 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6466 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6468 * tree.c (valid_machine_attribute): Only create a new type variant if
6469 there is a decl to use it.
6471 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6473 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6476 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6478 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6481 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6483 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6484 Simplify tests for clearing an address register.
6485 (expand_prologue): Corresponding changes.
6487 * mn10300.md (movXX patterns): Make sure the destination is an
6488 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6489 (logical patterns): Split into expanders + patterns
6490 (zero and sign extension patterns): Similarly.
6491 (shift patterns): Similarly.
6493 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6495 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6496 for the sequence, recording base values.
6498 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6500 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6502 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6504 * gcc.c: Remove ANSI-C ism from --help code.
6506 * toplev.c: Support --help with USE_CPPLIB.
6508 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6510 * configure.in: Rework gas feature code to work with symlink based
6513 * extend.texi: Clarify some issues related to local variables
6514 assigned to explicit registers.
6516 * mn10300.md (mulsi): Turn into expander + pattern.
6518 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6521 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6523 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6525 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6527 * version.c: Bump again to distinguish mainline tree from the
6530 See ChangeLog.0 for earlier changes.
6533 add-log-time-format: current-time-string