1 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3 * reload.c (find_reloads_address_part): If have a CONST_INT, create
4 a new one before passing it to force_const_mem.
6 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
7 find_reloads_address call.
9 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11 * expr.c (store_expr): Don't generate load-store pair
12 if TEMP is identical (according to ==) with TARGET.
14 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
16 * reload1.c (reload_reg_free_for_value_p): When considered reload
17 has an output, matching inputs are not sufficient to avoid conflict.
19 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
21 * hash.h (hash_table_key): New type.
22 (hash_entry): Change `string' field to generic `key'.
23 (hash_table): Add `comp' and `hash' functions.
24 (hash_table_init): Take them as input.
25 (hash_table_init_n): Likewise.
26 (hash_lookup): Modify for generic keys.
27 (hash_newfunc): Likewise.
28 (hash_traverse): Likewise.
29 (string_hash): New function.
30 (string_compare): Likewise.
31 (string_copy): Likewise.
32 * hash.c (hash_table_init_n): Modify for generic keys.
33 (hash_table_init): Likewise.
34 (hash_lookup): Likewise.
35 (hash_newfunc): Likewise.
36 (hash_traverse): Likewise.
37 (string_hash): Split out from hash_lookup.
38 (string_compare): New function.
39 (string_copy): Split out from hash_lookup.
40 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
42 (symbol_hash_lookup): Likewise.
43 (file_hash_newfunc): Likewise.
44 (file_hash_lookup): Likewise.
45 (demangled_hash_newfunc): Likewise.
46 (demangled_hash_lookup): Likewise.
47 (tlink_int): Likewise.
48 (read_repo_file): Likewise.
49 (recompile_files): Likewise.
50 (demangle_new_symbols): Likewise.
51 (scan_linker_output): Likewise.
53 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
55 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
57 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
59 * rs6000.c (output_mi_thunk): Improve test for local branch.
61 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
63 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
65 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
67 * reload1.c (reload_reg_free_before_p): Delete.
68 Changed all callers to use reload_reg_free_for_value_p instead.
69 (reload_reg_free_for_value_p): Handle more reload types.
70 A RELOAD_FOR_INPUT doesn't conflict with its
71 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
72 Add special case for OUT == const0_rtx.
73 Added ignore_address_reloads argument. Changed all callers.
75 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
77 * toplev.c (compile_file): Don't pedwarn about undefined static
78 functions just because we passed -Wunused.
80 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
82 * function.c (purge_addressof_1): Unshare rtl created by
85 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
87 * regmove.c (regmove_optimize): Don't do anything but
88 optimize_reg_copy[123] when flag_regmove is not set.
90 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
92 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
93 value in paradoxical SImode result, rather than truncating midpoint.
95 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
97 * alpha.c (reg_not_elim_operand): New.
98 * alpha.h (PREDICATE_CODES): Add it.
99 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
100 for the multiplicand.
102 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
104 * rs6000.md (movsf): Remove explicit secondary-reload-like
105 functionality. Only truncate SFmode store if in FPR.
106 (movsf splitters): Combine const_double splitters.
107 (movsf_hardfloat): Add GPR support.
109 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
111 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
112 deprecate -mlive-g0 and -mbroken-saverestore.
113 * t-splet (MULTILIB_OPTIONS): Likewise.
115 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
116 in a leaf function. Clarify total_size/extra_size relationship.
118 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
120 * i386/cygwin32.asm: Delete.
121 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
122 * i386/cygwin32.h: Delete.
123 * i386/cygwin.h: New file, renamed from cygwin32.h.
124 * i386/t-cygwin32: Delete.
125 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
126 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
127 * i386/x-cygwin32: Delete.
128 * i386/x-cygwin: New file, renamed from x-cygwin32.
129 * i386/xm-cygwin32: Delete.
130 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
131 renamed cygwin_ funcs for path translations.
132 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
133 * i386/winnt.c: Remove "32" from comment about cygwin.
134 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
135 * rs6000/cygwin32.h: Delete.
136 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
137 -D__CYGWIN__ to CPP_PREDEFINES.
138 * rs6000/x-cygwin32: Delete.
139 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
140 * rs6000/xm-cygwin32: Delete.
141 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
143 * configure.in: Check for cygwin* instead of cygwin32. Account
144 for the rename of cygwin-related config files to lose the "32"s.
145 * configure: Regenerate.
147 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
148 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
150 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
152 * Makefile.in (JAVAGC): New macro.
153 * configure: Rebuilt.
154 * configure.in: Recognize --enable-java-gc argument. Subst
157 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
159 Handle equivalences that have been obscured by gcse:
161 * reload1.c (reload): Handle equivalences set up in multiple places.
162 * local-alloc.c (reg_equiv_init_insns): New variable.
163 (no_equiv): New function.
164 (update_equiv_regs): Handle equivalences set up in multiple places.
165 Don't ignore an insn just because its destination is likely to be
168 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
170 * except.c (expand_eh_return): Readd force_operand call lost in
173 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
175 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
177 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
179 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
181 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
183 * regmove.c (regmove_optimize): Fix error in last change.
185 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
187 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
188 offset in the .mask pseudo to compensate for frame pointer adjustments.
189 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
190 word swap arguments moved to/from FP registers.
191 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
193 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
195 * version.c: Bump for snapshot.
197 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
199 * version.c: Bump for snapshot.
201 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
203 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
204 times, then it can not be completely replaced.
206 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
208 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
210 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
212 * gansidecl.h: Prepend a "G" to the macro wrapping this file
213 (to distinguish it from the macro wrapping ansidecl.h.)
214 Include libiberty's ansidecl.h. Remove all redundant definitions.
215 Define the PROTO() style macros in terms of the PARAMS() ones.
218 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
219 __STDC__, when deciding whether to use ANSI variable args.
220 (emit_library_call_value): Likewise.
222 * cccp.c (error): Likewise.
224 (error_with_line): Likewise.
225 (warning_with_line): Likewise.
227 (pedwarn_with_line): Likewise.
228 (pedwarn_with_file_and_line): Likewise.
231 * cexp.y (error): Likewise.
235 * collect2.c (fatal_perror): Likewise.
239 * combine.c (gen_rtx_combine): Likewise.
241 * cpperror.c (cpp_message): Likewise.
242 (cpp_fatal): Likewise.
244 * cpplib.c (cpp_error): Likewise.
245 (cpp_warning): Likewise.
246 (cpp_pedwarn): Likewise.
247 (cpp_error_with_line): Likewise.
248 (cpp_warning_with_line): Likewise.
249 (cpp_pedwarn_with_line): Likewise.
250 (cpp_pedwarn_with_file_and_line): Likewise.
252 * cpplib.h: Don't define PARAMS() macro.
254 * demangle.h: Likewise.
256 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
257 when deciding whether to use ANSI variable args.
259 * emit-rtl.c (gen_rtx): Likewise.
260 (gen_rtvec): Likewise.
262 * final.c (asm_fprintf): Likewise.
264 * fix-header.c (cpp_message): Likewise.
266 (cpp_fatal): Likewise.
268 * gcc.c (concat): Likewise.
272 * genattr.c (fatal): Likewise.
274 * genattrtab.c (attr_rtx): Likewise.
275 (attr_printf): Likewise.
278 * gencodes.c (fatal): Likewise.
280 * genconfig.c (fatal): Likewise.
282 * genemit.c (fatal): Likewise.
284 * genextract.c (fatal): Likewise.
286 * genflags.c (fatal): Likewise.
288 * genopinit.c (fatal): Likewise.
290 * genoutput.c (fatal): Likewise.
293 * genpeep.c (fatal): Likewise.
295 * genrecog.c (fatal): Likewise.
297 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
298 deciding whether to declare `tree_node' and `rtx_def'.
300 * hash.h: Don't define stuff we get from gansidecl.h.
302 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
303 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
304 whether to use ANSI variable args.
307 * prefix.c (concat): Likewise.
311 * system.h: Likewise.
313 * toplev.c (error_with_file_and_line): Likewise.
314 (error_with_decl): Likewise.
315 (error_for_asm): Likewise.
318 (warning_with_file_and_line): Likewise.
319 (warning_with_decl): Likewise.
320 (warning_for_asm): Likewise.
323 (pedwarn_with_decl): Likewise.
324 (pedwarn_with_file_and_line): Likewise.
326 (really_sorry): Likewise.
328 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
329 whether to declare `tree_node' and `rtx_def'.
331 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
332 deciding whether to use ANSI variable args.
333 (build_nt): Likewise.
334 (build_parse_node): Likewise.
336 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
338 * version.c: Bump for snapshot.
340 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
342 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
344 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
346 * collect2.c (main, case 'b'): Use else if.
348 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
350 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
351 Arrange to include gansidecl.h in {ht}config.h & tm.h just
352 before the config/ directory headers.
353 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
354 gansidecl.h in the list of dependencies.
356 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
357 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
358 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
359 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
360 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
361 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
364 * cccp.c: Don't include gansidecl.h.
366 * collect2.c: Likewise.
367 * config/c4x/c4x.c: Likewise.
368 * config/v850/v850.h: Likewise.
369 * cppalloc.c: Likewise.
370 * cpperror.c: Likewise.
371 * cppexp.c: Likewise.
372 * cppfiles.c: Likewise.
373 * cpphash.c: Likewise.
374 * cpplib.c: Likewise.
375 * cppmain.c: Likewise.
376 * cppulp.c: Likewise.
377 * demangle.h: Likewise.
378 * doprint.c: Likewise.
379 * dyn-string.c: Likewise.
380 * eh-common.h: Likewise.
381 * fix-header.c: Likewise.
385 * gen-protos.c: Likewise.
386 * gencheck.c: Likewise.
387 * halfpic.h: Likewise.
389 * machmode.h: Likewise.
390 * mbchar.c: Likewise.
391 * prefix.c: Likewise.
392 * protoize.c: Likewise.
395 * scan-decls.c: Likewise.
397 * varray.h: Likewise.
399 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
401 * i386.md (call_value_pop): If we're not popping anything,
403 (call_pop): Likewise defer to call.
405 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
407 * function.c (purge_addressof): Clear purge_addressof_replacements
408 only after processing the whole function.
410 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
412 * reload1.c (reload): If we can not perform a particular elimination
413 when we thought we could earlier, then we must always iterate through
414 the loop at least one more time.
416 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
418 * alpha.c (add_operand): Simplify the CONST_INT match.
419 (sext_add_operand): Correct typo in comparison by using
420 CONST_OK_FOR_LETTER_P.
421 * alpha.md (s?addq): Use sext_add_operand to allow the negative
422 constant alternatives to be generated.
423 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
424 small constants, since the hw instructions do.
426 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
428 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
429 previous insn to store directly into our reload register, make sure
430 that if the source of the previous insn is a reload register, its
431 spill_reg_store and spill_reg_stored_to values are cleared.
433 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
435 * rs6000.md (floatunssidf2_internal splitter): Use base register
436 operand, not hard-coded SP.
438 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
440 * jump.c (calculate_can_reach_end): Fix thinko.
442 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
444 * reorg.c (fill_simple_delay_slots): Fix typo.
446 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
448 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
450 * i386.md (extendsidi2): Use # in the output template.
451 (extendsidi splitters): New splitters.
453 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
455 * jump.c (init_label_info, delete_barrier_successors,
456 mark_all_labels, delete_unreferenced_labels,
457 delete_noop_moves, calculate_can_reach_end): New functions broken
458 out of jump_optimize.
459 (jump_optimize): Use them.
461 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
463 * except.c (expand_fixup_region_end): Make sure outer context labels
464 are not issued in an inner context during cleanups.
466 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
468 * alpha.md (addsi3, subsi3): No new temporaries once cse is
471 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
473 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
474 to expose this midpoint to CSE.
476 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
478 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
480 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
482 * configure.in: Bring over gcc2 change of Nov 19 1997.
484 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
486 * toplev.c (output_lang_identify): Make definition dependent on
487 ASM_IDENTIFY_LANGUAGE.
489 * print-rtl.c (spaces): Make static.
491 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
493 * extend.texi: Clarify proper uses for register clobbers in asms.
495 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
497 * recog.h (enum op_type): Define.
498 (constrain_operands): Adjust prototype.
499 (recog_op_type): Declare new variable.
500 * recog.c (recog_op_type): New variable.
501 (insn_invalid_p): Allow modifying an asm statement after reload.
502 (extract_insn): Set up recog_op_type.
503 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
504 Don't compute operand types, use recog_op_type.
505 Use the information computed by extract_insn instead of the previous
506 method of finding it by insn code number.
507 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
508 * reorg.c (fill_slots_from_thread): Likewise.
509 * reload1.c (reload_as_needed): Likewise.
510 (gen_reload): Likewise.
511 (inc_for_reload): Likewise.
512 (reload_cse_simplify_operands): Likewise.
513 Use the information computed by extract_insn instead of the previous
514 method of finding it by insn code number.
515 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
517 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
518 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
519 Use the information computed by extract_insn instead of the previous
520 method of finding it by insn code number.
521 * regmove.c (find_matches): Likewise. Change meaning of the return
522 value to be nonzero if the optimization can be performed, zero if
523 not. All callers changed.
524 Shorten some variable names to fix formatting problems.
525 (regmove_optimize): Shorten some variable names to fix formatting
527 Use the information computed by extract_insn instead of the previous
528 method of finding it by insn code number.
529 * regclass.c (scan_one_insn): Likewise.
530 (record_reg_classes): Don't compute operand types, use recog_op_type.
531 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
532 recog_constraints instead.
534 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
536 * rtl.h (flow2_completed): Declare.
537 * flow.c (flow2_completed): Definition.
538 * toplev.c (rest_of_compilation): Set and clear flow2_completed
541 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
543 * Makefile.in (libcpp.a): Ranlib libcpp.a
545 * cppulp.c (user_label_prefix): Initialize.
547 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
549 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
550 at a RETURN if current_function_sp_is_unchanging is set.
552 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
554 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
556 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
558 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
559 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
560 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
561 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
562 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
563 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
565 (LIB_SPEC): Handle -mno-cyginw option.
566 (LINK_SPEC): Handle -mdll.
568 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
570 * reload.c (find_reloads): Fix test for usage by other reload
571 to handle secondary reloads properly.
573 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
575 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
576 intermediate structure which has exactly the members provided by
577 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
578 static intermediate structure.
580 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
581 from the intermediate structure. Do the same analogous fix in
582 the case where ELIMINABLE_REGS is not defined.
584 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
586 * pa.h (SELECT_SECTION): Fix thinko.
588 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
590 * dwarf2out.c (output_call_frame_info): Comments on last change.
592 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
594 * arm.c (add_constant): When taking the address of an item in the
595 pool, get the mode of the item addressed.
597 * arm.c (final_prescan_insn case INSN): If an insn doesn't
598 contain a SET or a PARALLEL, don't consider it for conditional
601 Restore ABI compatibility for NetBSD.
602 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
604 (RETURN_IN_MEMORY): Likewise.
606 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
608 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
609 (m32r_output_block_move): Rewrite bytes < 4 handling.
611 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
613 * configure.in: Call AC_FUNC_VFORK.
615 * collect2.c: Define VFORK_STRING as a printable string for
616 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
617 defined, include vfork.h. If VMS is defined, define vfork()
618 appropriately. Remove vfork check on USG, we're using autoconf.
619 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
620 checking locally what string to pass.
621 (scan_prog_file): Likewise.
622 (scan_libraries): Likewise.
624 * gcc.c: Remove vfork check on USG, we're using autoconf.
625 Besides, no calls to vfork/fork occur in this file.
627 * protoize.c: Likewise.
629 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
631 * configure.in (DEFAULT_LINKER): renamed from LD
632 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
633 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
636 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
638 * BUGS: fix the regexp for `more' to find the appropriate node.
639 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
641 * BUGS: added link to the WWW FAQ
643 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
645 * version.c: Bump for snapshot.
647 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
649 * From Christian Gafton:
650 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
651 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
652 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
654 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
656 * c-common.c (c_get_alias_set): Allow all type-punning through
657 unions. Don't get confused about the type of a bit-field, despite
658 the antics of build_modify_expr.
660 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
662 * fixinc.sco: Paramaterize #include_next values.
663 * fixinc/fixinc.sco: Likewise.
665 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
667 * toplev.c (rest_of_compilation): No longer set reload_completed.
668 * reload1.c (reload): Set it here. Perform instruction splitting
669 after reload has completed if we will be running the scheduler
672 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
674 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
675 EH region if exceptions are enabled and we're performing cross
677 (find_cross_jump): Exit loop if the insns are in different EH regions.
679 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
681 * dwarf2out.c (output_call_frame_info): Use
682 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
684 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
687 * c-common.c (check_format_info): Don't check for the 'x'
688 format character twice, instead check for 'x' and 'X'
690 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
692 * configure.in (assembler features): Also make gas is configured if
693 we find it in the souce tree.
695 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
697 * i386.c (i386_comp_type_attributes): Compare whether the
698 attributes are defined, not their tree nodes.
700 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
702 * configure.in (gxx_include_dir): bitten by autoconf quoting
706 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
708 * configure.in: Ignore non-absolute value in $AS.
710 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
712 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
714 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
716 * configure.in (msdosdjgpp): Set exeext and target_alias.
718 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
720 * flow.c (XNMALLOC): New macro.
721 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
723 (add_edge, add_edge_to_label): New static functions.
724 (free_bb_memory): New function.
725 (flow_delete_insn): Delete function.
726 (basic_block_drops_in): Delete variable.
727 (find_basic_blocks): Allocate and initialize basic_block_head,
728 basic_block_succ. Don't allocate basic_block_drops_in.
729 Call free_bb_memory at the beginning.
730 (find_basic_blocks_1): Don't do multiple passes.
731 Delete code to compute basic_block_drops_in.
732 After calling make_edges, mark blocks reached by current block live.
733 Update test for unreachable live blocks.
734 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
736 Simplify to call add_edge_to_label when a LABEL_REF is found.
737 (make_edges): Simplify to call add_edge_to_label instead of
738 mark_label_ref most of the time.
739 Compute here whether control drops into the next block.
740 (delete_unreachable_blocks): Return void. All callers changed.
741 Delete unreachable blocks in reverse order.
742 After deleting all unreachable blocks, renumber the remaining ones
743 and update n_basic_blocks.
744 (delete_block): Speed up deletion a bit.
745 Don't set basic_block_drops_in for deleted blocks.
746 (free_basic_block_vars): Don't free basic_block_drops_in.
747 (life_analysis_1): Update to use new edge representation.
748 (dump_flow_info): Delete code to print basic block info; call
749 dump_bb_data instead.
750 (compute_preds_succs): Delete code to recompute basic_block_drops_in
751 and uid_block_number.
752 Simply copy the previously computed cfg.
753 (dump_bb_data): New arg LIVE_INFO. All callers changed.
754 Print register lifetime information if LIVE_INFO is nonzero.
755 * basic-block.h (dump_bb_data): Adjust prototype.
756 * gcse.c (gcse_main): Update call to dump_bb_data.
757 * rtl.h (free_bb_memory): Declare.
758 * toplev.c (rest_of_compilation): Call free_bb_memory.
760 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
761 (update_eliminable_offsets): Don't compute it.
762 (set_initial_elim_offsets): Don't initialize it.
763 Break out some code into set_initial_label_offsets so the rest of
764 this function can be called from reload_as_needed.
765 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
766 ELIMINABLE_REGS isn't.
767 (set_initial_label_offsets): New function, broken out of
768 set_initial_elim_offsets.
769 (set_offsets_for_label): New function, broken out of set_label_offsets
770 and reload_as_needed.
771 (reload): Call the two new functions.
772 (reload_as_needed): Call set_initial_elim_offsets instead of
773 duplicating the code. Likewise for set_offsets_for_label.
775 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
776 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
777 any hard reg, reg_reloaded_dead contains valid data.
779 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
781 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
782 "stdcall" and "cdecl" attributes.
784 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
786 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
787 handle deleted no-op moves of hard registers.
788 * haifa-sched.c (update_flow_info): Likewise.
790 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
792 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
793 of the sequences to reload the HILO register which do not actually
796 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
798 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
800 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
802 * except.c (emit_eh_context): Make the EH context register stay alive
803 at -O0 so stupid.c doesn't get confused.
805 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
807 * emit-rtl.c (try_split): Do not try to split a BARRIER.
809 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
810 Jeffrey A Law (law@cygnus.com)
812 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
813 (zero_extendsidi2): Use # in output template and handle completely by
815 (zero_extend splitters): New define_splits.
816 (ashiftrt_32): New pattern.
818 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
820 * tree.c (append_random_chars): New fn.
821 (get_file_function_name_long): Use it.
823 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
825 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
826 (LIBCPP_OBJS): New. Add cppulp.o.
827 (cppmain, fix-header): Depend on and use libcpp.a.
828 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
829 of the individual object files.
830 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
833 * cccp.c (user_label_prefix): New.
834 (main): Set it off -f*leading-underscore.
835 (special_symbol): Use it.
836 * cpplib.c (special_symbol): Likewise.
837 (cpp_handle_option): Handle -f*leading-underscore.
838 * cppulp.c: New file.
840 * output.h (user_label_prefix): Declare it.
841 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
842 * toplev.c (f_options, main): Handle -f*leading-underscore.
844 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
845 referencing USER_LABEL_PREFIX directly.
846 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
847 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
848 * final.c (asm_fprintf): Use user_label_prefix instead.
849 * arm/thumb.c (thumb_print_operand): Likewise.
851 * gcc.c (default_compilers): Pass -f*leading-underscore on to
852 cpp wherever appropriate.
854 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
856 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
857 specific compiler switches.
859 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
861 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
864 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
867 structure which has exactly the members provided by EXTRA_SPECS.
868 Xmalloc() the real `extra_specs', and initialize it from this
869 intermediate structure.
871 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
873 * mips.h (EXTRA_SPECS): Likewise.
875 * sparc.h (EXTRA_SPECS): Likewise.
877 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
879 * function.c (purge_addressof_1): Instead of aborting when a
880 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
881 work just put the ADDRESSOF on stack. Otherwise remember all such
882 successfull replacements, so that exactly the same replacements
883 can be made on the REG_NOTEs. Remove the special case for CALL
885 (purge_addressof_replacements): New variable.
886 (purge_addressof): Clear it at end.
888 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
890 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
891 (lang_init): Call check_newline always.
892 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
893 cpp_start_read, set yy_cur and yy_lim to read from
894 parse_in.token_buffer, so that we'll see the first #line
896 * cpplib.c (cpp_start_read): finclude the main input file
897 before processing -include/-imacros. Process -imacros and
898 -include separately, and handle -include by stacking a
899 buffer for the file in question as if it'd been #included.
900 * toplev.c (documented_lang_options) Recognize -H when
903 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
905 * cpplib.c: Merge do_once into do_pragma. Break file handling
906 code out of do_include.
907 Move append_include_chain, deps_output,
908 file_cleanup, redundant_include_p, import_hash,
909 lookup_import, add_import, read_filename_string, read_name_map,
910 open_include_file, finclude, safe_read to cppfiles.c.
911 Move prototypes for deps_output, append_include_chain,
912 finclude to cpplib.h. Move definition of struct
913 file_name_list there also.
915 * cppfiles.c: New file. Contains all the above functions
916 broken out of cpplib.c; also hack_vms_include_specification
917 from cccp.c and find_include_file, a new function broken out of
920 * Makefile.in (cppmain): Depend on cppfiles.o.
921 (fix-header): Likewise.
922 (cppfiles.o): New target.
923 * configure.in (--enable-c-cpplib): Add cppfiles.o to
924 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
926 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
928 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
929 if pending_types is non-zero.
930 (dwarfout_finish): Verify pending_types is zero before finishing.
932 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
934 * expr.c (convert_move): Use shifts to perform the move if a
935 suitable extend pattern cannot be found. Code written by
936 Richard Henderson <rth@cygnus.com>.
938 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
940 * regclass.c (renumber, regno_allocated): New static variables, moved
941 out of allocate_reg_info.
942 (allocate_reg_info): Move these two variables outside the function.
943 Move code to free memory into new function free_reg_info.
944 (free_reg_info): New function, broken out of allocate_reg_info.
945 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
946 * rtl.h (allocate_reg_info): Don't declare.
947 (free_reg_info): Declare.
949 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
951 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
953 * toplev.c (compile_file): Temporarily revert last change.
955 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
957 * c-typeck.c (convert_for_assignment): Parenthesize.
959 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
961 * reload1.c (delete_output_reload): Avoid ambigous else.
963 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
965 * toplev.c (compile_file): Call allocate_reg_info to free register
967 * rtl.h (allocate_reg_info): Declare.
969 * PROJECTS: Remove entry for local spilling.
971 * final.c (cleanup_subreg_operands): New function.
972 (final_scan_insn): Use it.
973 (alter_subreg): Clear the "used" field when we turn a SUBREG into
975 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
976 operands when reload has finished.
977 * reload.h (cleanup_subreg_operands): Declare..
978 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
979 reload. Handled in reload itself.
981 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
983 * reload1.c (verify_initial_offsets): New function.
984 (reload): Call it after reload_as_needed. Also verify that the frame
985 size stays constant during reload_as_needed.
986 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
988 * reload.h (struct insn_chain): Add need_operand_change element.
989 * reload1.c (new_insn_chain): Clear it.
990 (calculate_needs_all_insns): Set it; don't overload need_reload.
991 (reload_as_needed): Use it.
993 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
994 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
995 and reload_address_index_reg_class.
996 (find_reloads_address_1): Likewise.
997 * reload.h (reload_address_base_reg_class,
998 reload_address_index_reg_class): Don't declare.
999 * reload1.c (reg_old_renumber, pseudo_previous_regs,
1000 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
1001 (used_spill_regs): Now static.
1002 (reload_address_base_reg_class, reload_address_index_reg_class,
1003 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
1004 basic_block_needs, max_needs, group_size, group_mode, max_groups,
1005 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
1008 (init_reload): Delete code to compute base/index reg classes.
1009 (reload): Delete variable J.
1010 Delete code to manage basic_block_needs.
1011 Don't compute regs_explicitly_used.
1012 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
1013 pseudo_previous_regs.
1014 Initialize bad_spill_regs_global.
1015 Don't call order_regs_for_reload here.
1016 Don't initialize spill_reg_order and n_spills.
1017 Don't forbid explicitly used regs to be used for spill regs.
1018 Change main loop to infinite loop, with explicit break statements.
1019 Make SOMETHING_CHANGED variable local to that loop.
1020 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
1021 max_groups_insn, max_nongroups_insn, group_size, group_mode.
1022 Make sure spilled_speudos is cleared before calling spill_hard_reg or
1024 Don't call dump_needs.
1025 Delete code to reset potential_reload_regs.
1026 Delete code to terminate loop conditional on the global needs variables
1027 showing no further needs.
1028 (calculate_needs_all_insns): Return void. All callers changed.
1029 Initialize somehing_needs_elimination here, not in reload.
1030 Delete avoid_return_reg kludge.
1031 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
1032 All callers changed.
1033 Initialize the group_mode and group_size elements of the arg CHAIN.
1034 Delete code to manage basic_block_needs.
1035 Operate on elements of CHAIN instead of global variables.
1036 Delete avoid_return_reg kludge.
1037 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
1038 All callers changed.
1039 Operate on elements of CHAIN instead of global variables.
1040 Delete special SMALL_REGISTER_CLASSES code.
1041 Delete spill_failure code; now in new_spill_reg.
1042 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
1043 All callers changed.
1044 Operate on elements of CHAIN instead of global variables.
1045 (maybe_mark_pseudo_spilled): New static function.
1046 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
1047 All callers changed.
1048 Operate on elements of CHAIN instead of global variables.
1049 Call order_regs_for_reload here, not in reload.
1050 Initialize spill_reg_order and n_spills.
1051 Simplify test whether an asm insn is involved.
1052 Delete spill_failure code; now in new_spill_reg.
1053 Call maybe_mark_pseudo_spilled for everything marked as live in
1054 CHAIN. Merge CHAIN's used_spill_regs into the global variable
1056 (dump_needs): Take CHAIN arg. No longer static, to prevent the
1057 compiler from optimizing this function (now unused) away.
1058 Operate on elements of CHAIN instead of global variables.
1059 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
1061 Operate on elements of CHAIN instead of global variables.
1062 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
1063 take CHAIN arg. All callers changed.
1064 Operate on elements of CHAIN instead of global variables.
1065 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
1066 CHAIN, NONGROUP args. Return void. All callers changed.
1067 Verify caller isn't trying to spill a pseudo.
1068 Simplify test for illegal reg, just use bad_spill_regs.
1069 Generate better error messages.
1070 Operate on elements of CHAIN instead of global variables.
1071 Mark spilled register in CHAIN's used_spill_regs element.
1072 Don't call spill_hard_reg.
1073 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
1074 Mark spilled hard regs in bad_spill_regs_global.
1075 Mark affected pseudos in spilled_pseudos, but don't spill them.
1076 (ior_hard_reg_set): New static function.
1077 (finish_spills): Return int. All callers changed.
1078 Compute spill_reg_order, n_spills and spill_regs here. Also update
1079 regs_ever_live for regs used as spills.
1080 For every pseudo in spilled_pseudos, spill it and mark the previous
1081 hard reg it had in pseudo_previous_regs. Compute which hard regs
1082 arseudo): New static function.
1083 (order_regs_for_reload): Take CHAIN arg. All callers changed.
1084 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
1085 hard registers explicitly used across the current insn into the set.
1086 Compute hard_reg_n_uses taking only pseudos live across this insn
1088 Tweak sorting of potential_reload_regs.
1089 (compare_spill_regs): Delete function.
1090 (reload_as_needed): Don't sort the spill_regs array, it's computed
1091 in proper order in finish_spills.
1092 Delete avoid_return_reg kludge.
1093 Delete code to manage basic_block_needs.
1094 (allocate_reload_reg): Minor speed/readability tweaks.
1095 Operate on elements of CHAIN instead of global variables.
1096 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
1097 Delete avoid_return_reg kludge.
1098 Initialize reload_reg_used from CHAIN's used_spill_regs element.
1099 Delete unused label FAIL.
1100 (reload_combine): Replce reload_address_index_reg_class with
1102 Don't use used_spill_regs to determine information about lifetime of
1105 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
1107 * toplev.c (display_help): Ignore empty target specific
1108 options, and if -W is also specified on the command line then
1109 display undocumented options.
1111 * config/arm/arm.c: Updated with changes in devo sources.
1112 * config/arm/arm.h: Updated with changes in devo sources.
1113 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
1114 * config/arm/lib1thumb.asm: Add ELF support.
1116 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1118 * collect2.c (aix64_flag): New variable.
1119 (main, case 'b'): Parse it.
1120 (GCC_CHECK_HDR): object magic number must match mode.
1121 (scan_prog_file): Only check for shared object if valid header.
1122 Print debugging if header/mode mismatch.
1124 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
1126 Added support for arm-elf-linux configuration, submitted by Philip
1127 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
1128 code developed by Catherine Moore <clm@cygnus.com>. The following
1131 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
1134 * configure: Regenerated.
1136 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
1137 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
1138 definitions conditional on their not having been already defined.
1140 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
1141 and .type directives, and add "(PLT)" qualification to function
1144 * config/arm/linux.h: Deleted. This file is now superceeded by
1145 either linux-elf.h or linux-aout.h.
1147 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
1148 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
1150 Move definitions from old linux.h file here.
1152 * config/arm/elf.h: New file. Generic ARM/ELF support.
1154 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
1156 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
1158 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
1159 using the 26bit APCS.
1161 * config/arm/unknown-elf.h: New file. Support for OS'es other
1162 than Linux with ELF.
1164 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
1167 * config/arm/coff.h: Include aout.h for basic assembler macros.
1168 Add support for -mstructure_size_boundary=<n> command line option.
1170 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
1171 command line option. Make macro definitions conditional on their
1172 not having been already defined.
1174 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
1175 command line option.
1178 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
1180 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
1181 has been changed to not include a newline. Use this macro instead.
1182 (output_enumeral_list, const_value_attribute, name_attribute,
1183 comp_dir_attribute, prototyped_attribute, producer_attribute,
1184 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
1185 dwarfout_file_scope_decl, generate_new_sfname_entry,
1186 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
1187 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
1189 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
1191 * combine.c (subst): Process the inputs to a parallel asm_operands
1194 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
1196 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
1198 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
1200 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
1202 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
1204 * version.c: Bump for snapshot.
1206 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1208 * stmt.c (expand_fixup): Set fixup->before_jump to a
1209 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
1211 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1213 * Makefile.in (recog.o): Depend on toplev.h.
1214 (insn-emit.o): Depend on recog.h.
1215 (insn-peep.o): Depend on recog.h and insn-config.h.
1217 * combine.c (simplify_set): Remove unused variable `scratches'.
1219 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
1220 and `idx' in macro conditional controlling their use.
1222 * genemit.c (main): Make the generated output file include
1223 recog.h. Don't have it declare `insn_operand_constraint', since
1224 we get it from recog.h.
1226 * genpeep.c (main): Make the generated output file include
1227 insn-config.h and recog.h.
1229 * recog.c: Include toplev.h.
1230 (extract_insn): Remove unused variable `p'.
1232 * regclass.c (fix_register): Add missing braces around initializer
1234 (allocate_reg_info): Move variable `i' into the scope where it is
1235 used. Change its type to `size_t'.
1237 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1239 * reload.c (push_reload): When merging reloads, make sure
1240 that reload_in_reg and reload_in are from the same reload in
1243 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
1245 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
1246 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1248 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
1250 * loop.c (loop_has_tablejump): New variable.
1251 (prescan_loop): Scan for it.
1252 (insert_bct): Replace explicit scan with use of it.
1253 * regclass.c (regclass): Restore loop variable j.
1254 (record_reg_classes): Deterine op_types modifiers and initialize
1255 classes[i] before matching constraints. Handle matching
1258 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
1260 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
1263 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1265 * mips.h (EXTRA_SPECS): Add missing initializers.
1267 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1269 * sparc.h (EXTRA_SPECS): Add missing initializers.
1270 (sparc_defer_case_vector): Provide a prototype.
1272 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
1273 comparing it to the result of a pointer subtraction.
1275 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1277 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
1278 the argument to (unsigned char).
1280 * alpha.h (EXTRA_SPECS): Add missing initializers.
1281 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
1284 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
1286 * flow.c (life_analysis_1): Enable "rescan" code after reload.
1287 (propagate_block): Delete dead code after reload.
1289 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
1290 back Oct 15, 1998 change.
1291 * haifa-sched.c (update_flow_info): Likewise.
1292 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
1294 * mn10200.md (truncated shift): Accept constant inputs too.
1296 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
1298 * machmode.h (mode_mask_array): No longer const.
1299 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
1301 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1303 * frame.c: Somewhat explain `FDE'.
1304 Suggested by Brendan Kehoe
1306 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1308 * expr.c (pending_chain): Move up.
1309 (save_expr_status): Do save pending_chain.
1310 (restore_expr_status): And restore it.
1311 * function.h (struct function): Add pending_chain.
1313 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1315 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
1316 did not match the code.
1318 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1320 * regclass.c (regclass): Break out some code into new function
1321 scan_one_insn, and into regclass_init.
1322 (init_cost): New static variable, moved out of regclass.
1323 (regclass_init): Initialize it here, not in .
1324 (scan_one_insn): New static function, broken out of regclass.
1325 * recog.c (apply_change_group): Break out some code into new
1326 function insn_invalid_p.
1327 (insn_invalid_p): New static fn, broken out of apply_change_group.
1329 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
1331 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
1332 reg_reloaded_contents matches incremented pseudo.
1334 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
1336 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1338 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
1339 addressing modes with side effects. These are currently
1340 placeholders for the C4x target.
1342 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1344 * loop.c (express_from): Make sure that when generating a PLUS of
1345 a PLUS, any constant expression appears on the outermost PLUS.
1347 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
1349 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
1350 works if "$(srcdir)" != ".".
1352 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
1354 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
1355 existing SUBREG if we can, otherwise abort.
1357 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
1359 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
1360 `restrict' is applied to a non-pointer variable.
1362 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
1364 * invoke.texi: Document -flang-isoc9x.
1366 * Makefile.in (OBJS): Add splay-tree.o.
1367 (c-common.o): Depend on rtl.h.
1368 (splay-tree.o): List dependencies and provide build rule.
1370 * rtl.h (record_alias_subset): New function.
1371 * alias.c: Include splay-tree.h.
1372 (alias_set_entry): New type.
1373 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
1374 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
1375 (mems_in_disjoin_alias_sets_p): New function.
1376 (alias_set_compare): Likewise.
1377 (insert_subset_children): Likewise.
1378 (get_alias_set_entry): Likewise.
1380 * tree.h (TYPE_RESTRICT): New macro.
1381 (TYPE_UNQUALIFIED): New manifest constant.
1382 (TYPE_QUAL_CONST): Likewise
1383 (TYPE_QUAL_VOLATILE): Likewise.
1384 (TYPE_QUAL_RESTRICT): Likewise.
1385 (tree_type): Add restrict_flag. Reduce count of free bits.
1386 (DECL_POINTER_ALIAS_SET): New macro.
1387 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1388 (tree_decl): Add pointer_alias_set.
1389 (build_qualified_type): New function.
1390 (build_type_variant): Define in terms of build_qualified_type.
1391 * tree.c (set_type_quals): New function.
1392 (make_node): Initializae DECL_POINTER_ALIAS_SET.
1393 (build_type_attribute_variant): Use build_qualified_type and
1395 (build_type_variant): Rename, and modify, to become...
1396 (build_qualified_type): New function.
1397 (build_complex_type): Use set_type_quals.
1399 * c-tree.h (C_TYPE_OBJECT_P): New macro.
1400 (C_TYPE_FUNCTION_P): Likewise.
1401 (C_TYPE_INCOMPLETE_P): Likewise.
1402 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1403 (c_apply_type_quals_to_decl): New function.
1404 (c_build_qualified_type): New function.
1405 (c_build_type_variant): Define in terms of c_build_qualified_type.
1406 (flag_isoc9x): Declare.
1407 * c-typeck.c (qualify_type): Use c_build_qualified_type.
1408 (common_type): Change to use TYPE_QUALS.
1409 (comptypes): Likewise.
1410 (convert_for_assignment): Likewise.
1411 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
1412 * c-decl.c (flag_isoc9x): Define.
1413 (c_decode_option): Handle -flang-isoc9x.
1414 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
1415 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
1416 * c-lex.c (init_lex): Deal with restrict.
1417 (init_lex): Don't treat restrict as a reserved word in
1418 -traditional mode, or without -flang-isoc9x.
1419 * c-lex.h (rid): Add RID_RESTRICT.
1420 * c-parse.gperf (restrict, __restrict, __restrict__): Make
1421 equivalent to RID_RESTRICT.
1422 * c-parse.in (TYPE_QUAL): Update comment.
1423 * c-common.c: Include rtl.h.
1424 (c_find_base_decl): New function.
1425 (c_build_type_variant): Rename, and modify, to become ...
1426 (c_build_qualified_type): New function.
1427 (c_apply_type_quals_to_decl): Likewise.
1428 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1429 a particular alias set for the reference.
1430 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1432 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1434 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1435 command line switches.
1437 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1439 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1442 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1444 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1446 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1448 * regclass.c (fix_register): Add error message.
1449 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1452 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1454 * c-decl.c (warn_missing_noreturn): New global variable.
1455 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1456 (finish_function): Implement missing noreturn warning.
1458 * c-tree.h (warn_missing_noreturn): Declare extern.
1460 * invoke.texi: Document new flags.
1462 * toplev.c (documented_lang_options): Add description.
1464 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1466 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1467 loop optimization stable for the C4x.
1468 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1469 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1470 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1472 (c4x_address_conflict): Be more paranoid when packing a volatile
1473 memref in a parallel load/store.
1475 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1477 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1478 repeat_block_filler): Deleted.
1479 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1480 Condition code not set if destination register from 'c' class.
1481 (*subbqi3_carry_clobber): Fix typo.
1483 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1485 * reorg.c (steal_delay_list_from_target) Check for insns that
1486 modify the condition codes and effect the direction of the jump
1489 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1491 * function.c (purge_addressof_1): Replace call to
1492 emit_insns_before() with emit_insn_before().
1494 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1496 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1498 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1500 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1502 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1504 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1505 clobbered across calls.
1507 * loop.c (scan_loop): Be more selective about what invariants are
1508 moved out of a loop.
1510 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1512 * version.c: Bump for snapshot.
1514 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1516 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1517 static eh_context structure.
1519 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1521 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1523 (try_combine): Don't update max_scratch.
1524 * flow.c (max_scratch, num_scratch): Delete variables.
1525 (life_analysis_1): Don't initialize max_scratch.
1526 (propagate_block): Don't update max_scratch.
1527 (mark_set_1): Don't increment num_scratch.
1528 * regs.h (max_scratch): Delete declaration.
1530 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1532 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1533 is nonzero. This is temporary!
1535 * sched.c (update_flow_info): Handle death notes made invalid by
1536 instruction splitting. Partially reverts Oct 15, 1998 patch.
1537 * haifa-sched.c (update_flow_info): Likewise.
1539 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1541 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1542 if it has a nonzero DECL_INITIAL.
1544 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1546 * Makefile.in (flow.o): Depend on recog.h.
1548 * cpplib.h (directive_table): Add missing initializiers.
1549 (finclude): Change type of variable `bsize' to size_t.
1551 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1553 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1555 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1556 `int' when comparing against one.
1557 (cpp_file_line_for_message): Mark parameter `pfile' with
1559 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1561 * flow.c: Include recog.h.
1562 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1564 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1565 `f' with ATTRIBUTE_UNUSED.
1566 (reposition_prologue_and_epilogue_notes): Likewise.
1568 * genopinit.c (gen_insn): Cast argument of ctype functions to
1571 * haifa-sched.c: Include recog.h.
1572 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1573 comparing against one.
1575 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1577 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1579 (parse_ent): Likewise.
1580 (parse_input): Likewise.
1582 * optabs.c (init_libfuncs): Likewise.
1584 * protoize.c (find_rightmost_formals_list): Likewise.
1586 * recog.h (const_double_operand): Fix typo in prototype.
1588 * tlink.c (scan_linker_output): Cast the argument of ctype
1589 function to `unsigned char'.
1591 * toplev.c (check_lang_option): Cast the result of `strlen' to
1592 `int' when comparing against one.
1594 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1596 * gcse.c (dump_cuid_table): Correct typo.
1598 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1600 * toplev.c (display_help): Prepend '-m' to target specific
1602 (check_lang_option): Ignore text after end of first word of a
1603 language specific option.
1605 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1607 * reload1.c (reg_used_by_pseudo): New static variable.
1608 (choose_reload_regs): Initialize it.
1609 Use it instead of testing spill_reg_order to determine whether a
1610 pseudo is live in a hard register across the current insn.
1611 Fix a typo in a reference to reload_reg_rtx.
1613 * flow.c (propagate_block): Replace code that computes and uses
1614 regs_sometimes_live with simpler code that just walks the set of
1615 currently live registers.
1617 * Makefile.in (insn-extract.o): Fix dependencies.
1618 * genextract.c (main): Generate includes for insn-config.h and
1620 Delete generation of declarations which are now in recog.h.
1621 * genrecog.c (main): Delete generation of definitions which are
1623 * local-alloc.c (block_alloc): Use extract_insn and the variables
1624 it sets up instead of looking up values by insn_code.
1625 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1626 recog_dup_num): Define here instead of generating the definition in
1628 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1629 recog_operand_mode, recog_constraints, recog_operand_address_p):
1631 (extract_insn): New function.
1632 * recog.h (extract_insn): Declare function.
1633 (which_alternative, recog_n_operands, recog_n_dups,
1634 recog_n_alternatives, recog_operand_mode, recog_constraints,
1635 recog_operand_address_p): Declare variables.
1636 * regclass.c (n_occurrences): New static function.
1637 * reload.c (n_occurrences): Delete function.
1638 (find_reloads): Use extract_insn.
1639 * reload.h (n_occurrences): Delete declaration.
1641 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1643 * reload1.c (reload_as_needed): Fix test for when to call
1644 update_eliminable_offsets.
1646 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1648 Fix consistency problems with reg_equiv_{mem,address};
1649 Improve reload inheritance;
1651 * reload.c (reload_out_reg): New variable.
1652 (loc_mentioned_in_p, remove_address_replacements): New functions.
1653 (remove_replacements): Deleted.
1654 (push_reload): Set reload_out_reg[i].
1655 When merging, also set reload_{in,out}_reg[i], and remove
1656 duplicate address reloads.
1657 (combine_reloads): Copy reload_out_reg[i].
1658 (find_reloads): Do make_memloc substitution also when
1659 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1661 Include *recog_operand_loc in commutativity operand changes.
1662 Generate optional output reloads.
1663 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1664 processing operands. Call make_memloc in reg_equiv_address code.
1665 Set *recog_operand_loc only after processing operands, and only
1666 if replace is true. Return a value.
1667 When changing address reload types for operands that didn't get
1668 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1669 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1670 Don't emit USEs for pseudo SUBREGs when not replacing.
1671 (find_reloads_address): Do make_memloc substitution also when
1672 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1674 (find_reloads_toplev): Likewise.
1675 Call make_memloc in reg_equiv_address code.
1676 (debug_reload_to_stream): Add code to output reload_out_reg.
1677 (make_memloc): Delete local variable i, ifdefed out code, and
1678 references to memlocs and n_memlocs.
1679 (memlocs, n_memlocs): Delete.
1680 (push_secondary_reload): Clear reload_out_reg.
1681 (find_reloads_address_1): Provide memrefloc argument to all calls
1682 to find_reloads_address.
1683 In AUTO_INC code, handle non-directly addressable equivalences properly.
1684 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1685 (find_reloads): Add return type.
1686 (remove_address_replacements, deallocate_reload_reg): Declare.
1687 * reload1.c (num_not_at_initial_offset): No longer static.
1688 (delete_address_reloads, delete_address_reloads_1): Likewise.
1689 (deallocate_reload_reg): New function.
1690 (spill_reg_stored_to): New array.
1691 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1692 (eliminate_regs_in_insn): Move assignments of previous_offset and
1693 max_offset fields, and recalculation of num_not_at_initial_offset
1694 into new static function:
1695 (update_eliminable_offsets) .
1696 (reload_as_needed): Call update_eliminable_offsetss after calling
1698 Call forget_old_reloads_1 with contents of reloaded auto_inc
1699 expressions if the actual addressing can't be changed to match the
1701 (choose_reload_regs): For inheritance, replace
1702 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1703 remove stand-alone reload_reg_used_at_all test.
1704 Use reload_out_reg to determine which reload regs have output reloads.
1705 Treat reload_override_in more similar to inherited reloads.
1706 Handle (subreg (reg... for inheritance.
1707 For flag_expensive_optimizations, add an extra pass to remove
1708 unnecessary reloads from known working inheritance.
1709 Delete obsolete code for pseudos replaced with MEMs.
1710 Handle inheritance from auto_inc expressions.
1711 (emit_reload_insns): If reload_in is a MEM, set OLD to
1713 Don't reload directly from oldequiv; if it's a pseudo with a
1714 stack slot, use reload_in[j].
1715 Check that reload_in_reg[j] is a MEM before replacing reload_in
1716 from reg_reloaded_contents.
1717 Include non-spill registers in reload inheritance processing.
1718 Also try to use reload_out_reg to set spill_reg_store /
1719 reg_last_reload_reg.
1720 In code to set new_spill_reg_store, use single_set to find out if
1721 there is a single set.
1722 Add code that allows to delete optional output reloads.
1723 Add code to allow deletion of output reloads that use no spill reg.
1724 At the end, set reload_override_in to oldequiv.
1725 Also call delete_output_reload if reload_out_reg is equal to old
1727 Add code to call delete_output_reload for stores with no matching load.
1728 Set / use spill_reg_stored_to.
1729 Handle case where secondary output reload uses a temporary, but
1730 actual store isn't found.
1731 When looking for a store of a value not loaded in order to call
1732 delete_output_reload, count_occurences should return 0 for no
1733 loads; but discount inherited input reloadill_reg_stored_to.
1734 Do checks for extra uses of REG. Changed all
1736 Use delete_address_reloads.
1737 (reload): Take return value of find_reloads into account.
1738 If a no-op set needs more than one reload, delete it.
1739 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1740 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1741 for the same operand.
1742 (clear_reload_reg_in_use): Check for other reloads that keep a
1744 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1745 RELOAD_FOR_OPADDR_ADDR.
1746 Take into account when an address address reload is only needed
1747 for the address reload we are considering.
1748 (count_occurrences): Use rtx_equal_p for MEMs.
1749 (inc_for_reload): Return instruction that stores into RELOADREG.
1750 New argument two, IN, and rtx. Changed all callers.
1751 (calculate_needs_all_insns, reload_as_needed):
1752 Don't clear after_call for a CLOBBER.
1753 Keep track of how many hard registers need to be copied from
1754 after_call, and don't clear after_call before we have seen
1755 that much copies, or we see a different instruction.
1757 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1759 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1760 after reload has completed.
1762 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1764 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1765 a macro name and the next token with a single blank if that whitespace
1766 is in a macro buffer and the next token is not '('.
1768 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1770 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1772 (skip_if_group): Ditto.
1773 (skip_to_end_of_comment): Ditto.
1775 (discard_comments): Ditto.
1776 (change_newlines): Ditto.
1778 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1780 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1782 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1784 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1785 (TARGET_OPTIONS): Add --help documentation.
1787 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1789 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1791 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1793 * fixinc/* Moved in from ../contrib directory in preparation
1794 for integrating it into the normal build process. In particular,
1795 fixinc/Makefile.in must be config-ed into the build directory
1796 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1797 ./configure.in will be "in the mail" momentarily.
1799 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1801 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1802 accidently walk into the free list. Comment how that can happen.
1803 (invalidate): Fix indentation.
1805 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1806 Jeffrey A Law (law@cygnus.com)
1808 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1809 reload. Never perform rescans of the insn chain after reload.
1810 (propagate_block): Do not delete insn or create new autoinc addressing
1813 * jump.c (jump_optimize): Unconditionally use the code that was
1814 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1815 * reload1.c (reload): When reloading is finished, delete all
1816 REG_DEAD and REG_UNUSED notes.
1817 (emit_reload_insns): Delete all code that was conditional on
1818 PRESERVE_DEATH_INFO_REGNO_P.
1819 (no_longer_dead_regs): Delete variable.
1820 (reload_cse_delete_death_notes): Delete function.
1821 (reload_cse_no_longer_dead): Delete function.
1822 (reload_cse_regs_1): Delete all code to handle deletion of death
1824 (reload_cse_noop_set_p): Likewise.
1825 (reload_cse_simplify_set): Likewise.
1826 (reload_cse_simplify_operands): Likewise.
1827 (reload_cse_move2add): Likewise.
1828 * reorg.c (used_spill_regs): Delete declaration.
1829 (max_label_num_after_reload): Delete declaration.
1830 (find_dead_or_set_registers): Don't assume that spill regs are
1831 dead at a CODE_LABEL.
1832 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1834 * sched.c (sched_analyze_insn): Likewise.
1835 (update_flow_info): Likewise.
1836 * haifa-sched.c (sched_analyze_insn): Likewise.
1837 (update_flow_info): Likewise.
1838 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1839 * toplev.c (max_label_num_after_reload): Delete variable.
1840 (rest_of_compilation): Don't set max_label_num_after_reload.
1841 Call life_analysis after reload_cse_regs if optimizing.
1842 * config/gmicro/gmicro.h: Delete comment referring to
1843 PRESERVE_DEATH_INFO_REGNO_P.
1844 * config/i386/i386.h: Likewise.
1845 * config/m88k/m88k.h: Likewise.
1846 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1847 * config/sh/sh.h: Likewise.
1849 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1851 * loop.c (strength_reduce): Restore marking bct_p as
1853 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1854 HAVE_decrement_and_branch_on_count.
1855 (small_data_operand): Remove TARGET_ELF condition for marking
1856 parameters ATTRIBUTE_UNUSED.
1858 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1860 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1861 (SELECT_SECTION): Resync with svr4.h.
1863 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1865 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1868 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1870 * c-pragma.c (handle_pragma_token): Test for null tree before
1871 dereferencing TREE_CODE.
1873 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1875 * config/c4x/c4x.c: Convert to use GEN_INT.
1876 (c4x_parallel_process): Rework to handle new repeat loop structure.
1878 * config/c4x/c4x.md: Convert to use GEN_INT.
1879 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1880 (decrement_and_branch_on_count): Likewise.
1882 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1883 loop.c has the desired functionality.
1884 (rc_reg_operand): New prototype.
1886 * config/c4x/t-c4x: Can now build all front ends.
1888 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1890 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1892 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1894 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1895 * config/t-rtems: Do not install assert.h -- use newlib's.
1897 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1899 * combine.c (combine_instructions): When finished, call init_recog.
1900 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1902 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1904 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1906 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1908 * cppalloc.c (memory_full): Mark function prototype with
1911 * demangle.h (collect_exit): Likewise.
1913 * fix-header.c (v_fatal, fatal): Likewise.
1915 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1918 * gcov.c (print_usage): Likewise.
1920 * genattr.c (fatal, fancy_abort): Likewise.
1922 * genattrtab.c (fatal, fancy_abort): Likewise.
1924 * gencodes.c (fatal, fancy_abort): Likewise.
1926 * genconfig.c (fatal, fancy_abort): Likewise.
1928 * genemit.c (fatal, fancy_abort): Likewise.
1930 * genextract.c (fatal, fancy_abort): Likewise.
1932 * genflags.c (fatal, fancy_abort): Likewise.
1934 * genopinit.c (fatal, fancy_abort): Likewise.
1936 * genoutput.c (fatal, fancy_abort): Likewise.
1938 * genpeep.c (fatal, fancy_abort): Likewise.
1940 * genrecog.c (fatal, fancy_abort): Likewise.
1942 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1943 __sjpopnthrow, __throw): Likewise.
1945 * objc/objc-act.c (objc_fatal): Likewise.
1947 * protoize.c (usage, aux_info_corrupted,
1948 declare_source_confusing): Likewise.
1950 * rtl.c (dump_and_abort): Likewise.
1952 * rtl.h (sets_cc0_p): Likewise.
1954 * toplev.c (float_signal, pipe_closed): Likewise.
1956 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1958 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1959 when generating the decision tree for the general case.
1961 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1962 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1964 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1966 * Makefile.in (sched.o): Depend on recog.h.
1968 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1969 (unsigned) when comparing against one.
1970 (find_base_value): Likewise.
1971 (record_base_value): Cast variable `regno' to (unsigned) when
1972 comparing against one. Cast the result of REGNO() macro to
1973 (unsigned) when comparing against one.
1974 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1976 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1977 variable where an unsigned index is needed.
1979 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1980 before comparing against one.
1982 * collect2.c: Add prototypes for functions `error', `fatal' and
1983 `fatal_perror'. Make these functions take variable arguments
1984 instead of faking it with a fixed number of args.
1985 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1988 * combine.c (can_combine_p): Mark parameter `pred' with
1990 (find_split_point): Cast variable `src' to (unsigned
1991 HOST_WIDE_INT) when comparing against one.
1992 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1993 (simplify_logical): Likewise.
1994 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1995 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1996 HOST_WIDE_INT) in shift.
1997 (simplify_and_const_int): Cast result of INTVAL() macro to
1998 `unsigned HOST_WIDE_INT' when comparing against one.
1999 (merge_outer_ops): Cast variable const0 to `unsigned
2000 HOST_WIDE_INT' when comparing against the result of
2001 GET_MODE_MASK() macro.
2002 (simplify_comparison): Likewise for variable `c0'. Cast variable
2003 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
2004 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
2005 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
2006 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
2007 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
2008 comparing against one.
2009 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
2011 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
2012 macro to `unsigned HOST_WIDE_INT' when comparing against one.
2013 (output_block_move): Cast `sizeof' expression to (int) when
2014 comparing against one.
2015 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
2017 (save_restore_insns): Cast `base_offset' to `long' to match format
2018 specifier in fprintf.
2020 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
2021 to `enum machine_mode'.
2023 * flow.c (life_analysis_1): Remove unused variable `insn'.
2025 * gcc.c (translate_options): Move variables `j' and `k' into the
2026 scope in which they are used. Change their types to `size_t'.
2027 (set_spec): Cast the argument of ctype macro to `unsigned char'.
2028 (read_specs): Likewise.
2029 (process_command): Cast `sizeof' to (int) when comparing against one.
2030 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
2031 (handle_braces): Cast both sides of `==' expression to `long' to
2032 ensure sign matching.
2033 (main): Cast variable `i' to `int' when comparing against one.
2035 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
2036 int to size_t. Cast variable `i' to size_t when comparing against
2039 * genattrtab.c (convert_set_attr_alternative): Remove unused
2040 parameter `insn_code'. All callers changed.
2041 (convert_set_attr): Likewise.
2043 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
2044 size_t when comparing against one. Likewise for variable `len'.
2046 * global.c (global_alloc): Cast variable `max_regno' to size_t
2047 when comparing against one. Likewise for variable `max_allocno'.
2049 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
2051 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
2052 `set' with ATTRIBUTE_UNUSED.
2053 (find_free_reg): Cast `sizeof' expression to (int) when comparing
2056 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
2057 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
2058 (get_condition): Cast variable `const_val' to `unsigned
2059 HOST_WIDE_INT' when comparing against one. Cast unsigned
2060 expression to HOST_WIDE_INT when comparing against one.
2061 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
2062 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
2063 `unsigned' when comparing against one.
2065 * protoize.c (is_id_char): Change type of parameter `ch' to
2067 (munge_compile_params): Cast argument of ctype macro to (const
2069 (process_aux_info_file): Cast variable `aux_info_size' to int when
2070 comparing against one.
2071 (forward_to_next_token_char): Cast argument of ctype macro to
2072 `const unsigned char'.
2073 (edit_formals_lists): Likewise.
2074 (find_rightmost_formals_list): Likewise.
2075 (add_local_decl): Likewise.
2076 (add_global_decls): Likewise.
2077 (edit_fn_definition): Likewise.
2078 (do_cleaning): Likewise.
2079 (scan_for_missed_items): Likewise.
2080 (edit_file): Cast variable `orig_size' to (int) when comparing
2082 (main): Cast argument of ctype macro to `const unsigned char'.
2084 * recog.c (const_int_operand): Mark parameter `mode' with
2087 * regclass.c (record_reg_classes): Change type of variable `c' to
2088 `unsigned char'. Cast `char' array index to `unsigned char'.
2090 * reload.c (push_secondary_reload): Cast argument to
2091 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
2093 * reload1.c (calculate_needs): Cast `char' array index to
2095 (set_label_offsets): Change type of variable `i' to unsigned int.
2096 Cast result of XVECLEN() macro to unsigned when comparing against
2098 (mark_not_eliminable): Change type of variable `i' to unsigned.
2099 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
2100 when comparing against one.
2101 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
2102 comparing against one.
2103 (choose_reload_regs): Hide unused label `fail'.
2104 (reload_cse_simplify_operands): Cast `char' array index to
2106 (reload_combine_note_store): Mark parameter `set' with
2107 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
2109 (reload_cse_move2add): Remove unused variable `src2'.
2111 * sched.c: Include recog.h.
2112 (sched_note_set): Remove unused parameter `b'. All callers
2114 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
2115 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
2116 when comparing against one.
2118 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
2119 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
2120 comparing against one.
2122 * unroll.c (precondition_loop_p): Remove unused parameter
2123 `loop_end'. All callers changed.
2125 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2127 * reload1.c (maybe_fix_stack_asms): New static function.
2130 * reload.h (compute_use_by_pseudos): Declare.
2132 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
2133 (something_needs_reloads): Delete variable.
2134 (finish_spills): New function.
2135 (compute_use_by_pseudos): New function.
2137 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
2138 Use the reload_insn_chain instead of walking the rtl directly.
2140 (reload): Allocate and free spilled_pseudos.
2141 Ensure that all calls of spill_hard_reg are followed by a call to
2143 Use the insns_need_reload list instead of something_needs_reloads
2144 to find out if reload_as_needed must be called.
2145 Clear unused_insn_chains at the end.
2147 (calculate_needs_all_insns): Lose FIRST parameter. All callers
2149 Delete code to keep track of current basic block.
2150 Walk reload_insn_chain instead of the rtl structure. Build the
2151 insns_need_reload chain.
2152 Remember which insns need reloading/elimination by setting the
2153 appropriate fields in struct insn_chain, not by putting modes on the
2156 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
2157 arg INSN. All callers changed.
2158 Delete declaration of struct needs.
2159 Don't set something_needs_reloads.
2160 Record insn needs in the CHAIN argument.
2162 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
2164 (reload_as_needed): Lose FIRST arg. All callers changed.
2165 Walk the reload_insn_chain instead of the rtx structure.
2166 Delete code to keep track of current basic block.
2167 Rename one of the NEXT variables to OLD_NEXT.
2169 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
2171 (choose_reload_regs): Likewise.
2173 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
2176 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
2177 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
2178 (hard_regs_live, hard_regs_need_restore): Delete variables.
2179 (n_regs_saved): Now static.
2180 (referenced_regs, this_insn_sets): New variables.
2182 (setup_save_areas): Restructure the code a bit.
2184 (restore_referenced_regs): Delete function.
2185 (mark_referenced_regs): New function, similar to the old
2186 restore_referenced_regs, but mark registers in referenced_regs.
2188 (clear_reg_live): Delete function.
2189 (mark_set_regs): Renamed from set_reg_live. All callers changed.
2190 Only mark registers in this_insn_sets.
2192 (save_call_clobbered_regs): Rework this function to walk the
2193 reload_insn_chain instead of using the list of instructions directly.
2194 Delete code to keep track of register lives, compute live regs on the
2195 fly from information in the chain.
2196 Instead of calling restore_referenced_regs, use mark_referenced_regs,
2197 then walk the set it computes and call insert_restore as appropriate.
2199 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
2201 Restructure the code a bit. Test hard_regs_saved instead of
2202 hard_regs_need_restore.
2203 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
2204 args. All callers changed.
2205 Restructure the code a bit. Use TO_SAVE to determine which regs to
2206 save instead of more complicated test.
2207 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
2209 Create a new insn_chain structure for the new insn and place it
2212 * rtl.texi: Update documentation to reflect that reload no longer
2213 puts modes on the insns.
2215 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2217 * function.c (purge_addressof_1): Force the first argument of a
2218 CALL insn to memory.
2220 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
2222 * rtl.h: Delete duplicate prototypes. Add some missing
2224 * rtlanal.c: (for_each_rtx): Formatting tweak.
2226 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2228 * real.c (emdnorm and etoasc): Disable round to even for c4x target
2229 to be compatible with TI compiler.
2231 * Makefile.in (USER_H): Add va-c4x.h to definition.
2233 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
2235 * function.c (purge_addressof_1): Fix typo in inequality: do
2236 bitfield optimization for equal mode sizes.
2237 * expmed.c (store_bit_field): Don't take subregs of subregs in
2238 the movstrict case. Tidy a potential problem in the multi-word case.
2239 (extract_bit_field): Likewise.
2241 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2243 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
2245 Compute max_uid_for_flow by calling get_max_uid after the scan.
2246 (find_basic_blocks_1): Don't emit NOPs here.
2248 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
2250 * alias.c (base_alias_check): Accept new args for the modes of the
2251 two references. Use them to determine if an AND can overlap. Update
2253 (memrefs_conflict_p): Assume sizes are aligned, and uses them
2254 to determine if an AND can overlap.
2256 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
2258 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
2259 check. Add comment to document problems with TARGET_SUN_FPA version
2261 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
2263 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2265 * Makefile.in (gencheck.o): Depend on gansidecl.h.
2267 * c-common.c (print_char_table): Add missing initializers.
2268 (scan_char_table): Likewise.
2269 (time_char_table): Likewise.
2271 * c-decl.c (c_decode_option): Mark parameter `argc' with
2273 (declare_parm_level): Mark parameter `definition_flag' with
2276 * c-lex.c (readescape): Use `(unsigned)1' in shift.
2277 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
2280 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
2282 (emit_call_1): Mark parameters `fndecl' and `funtype' with
2284 (expand_call): Cast result of MIN() to (unsigned int) when
2285 comparing against an unsigned value.
2287 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
2289 (make_definition): Remove unused parameter `op'. All callers
2291 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
2292 comparing against the result of pointer arithmetic.
2294 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
2295 when comparing against one.
2297 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
2298 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
2300 (output_die): Move variable `i' into the scope in which it is
2301 used. Change its type to `unsigned'.
2302 (output_die): Cast the result of `strlen' to (int) when passing it
2303 to ASM_OUTPUT_ASCII().
2304 (output_pubnames): Likewise.
2305 (output_line_info): Likewise.
2307 * emit-rtl.c (global_rtl): Add missing initializers.
2309 * explow.c (promote_mode): Mark parameter `for_call' with
2312 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
2313 `unsigned HOST_WIDE_INT' when comparing against one.
2314 (synth_mult): Change type of variable `cost' to int.
2315 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
2317 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
2318 when comparing against one.
2319 (get_inner_reference): Change variable `alignment' to unsigned.
2320 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
2321 int) when comparing against one.
2322 (expand_builtin_setjmp): Change type of variable `i' to size_t.
2324 * fold-const.c (div_and_round_double): Cast BASE to
2325 (HOST_WIDE_INT) when comparing against one.
2327 * gencheck.c: Include gansidecl.h.
2328 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
2330 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
2331 `tcode' with ATTRIBUTE_UNUSED.
2333 * real.c (edivm): Cast constant value to (unsigned long) in
2334 expression compared against an unsigned value.
2336 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
2337 comparing against one.
2338 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
2339 when comparing against one.
2341 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
2342 (unsigned int) when comparing against one. Likewise for
2344 (smallest_mode_for_size): Likewise.
2345 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
2346 (restore_storage_status): Likewise.
2348 * toplev.c (debug_args): Add missing initializer.
2349 (f_options): Spelling correction. Add missing initializers.
2350 (documented_lang_options): Likewise.
2351 (debug_end_source_file): Mark parameter `lineno' with
2354 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
2355 `decl' and `type' with ATTRIBUTE_UNUSED.
2357 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
2358 when comparing against one.
2359 (assemble_variable): Mark parameter `top_level' with
2361 (assemble_external_libcall): Mark parameter `fun' with
2363 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
2366 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
2368 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
2369 Replace use of r5 with use of r19.
2371 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
2373 * config/v850/v850.c (compute_register_save_size): Allow for the
2374 fact that helper functions save all registers, not just those used
2377 Replace constant 31 with macro LINK_POINTER_REGNUM.
2379 * config/v850/v850.md: Use 'indirect_operand' rather than
2380 'memory_operand' for bit test/set/clear patterns.
2382 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
2384 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
2385 * varasm.c (assemble_start_function et al): Don't call
2386 ASM_GLOBALIZE_LABEL for weak symbols.
2388 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
2390 * cse.c (equiv_constant): Check for NULL return from
2391 gen_lowpart_if_possible().
2393 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
2395 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
2397 * collect2.c (main): Pass -EL/-EB through to the compiler.
2399 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2401 * expr.c (push_block): Handle targets where the stack grows
2402 to higher addresses, but args grow to lower addresses and
2403 ACCUMULATE_OUTGOING_ARGS is not defined.
2405 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
2407 * config/v850/v850.c (print_operand): Extend meaning
2408 of 'c' operands to support .vtinherit.
2410 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2412 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
2413 Added ATTRIBUTE_UNUSED to unused function arguments.
2414 (rc_reg_operand): New predicate.
2415 (c4x_rptb_insert): New function.
2416 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
2417 (c4x_optimization_options): New function.
2419 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
2420 (decrement_and_branch_on_count): New pattern.
2421 (rptb_top): Modified pattern to work with BCT optimization.
2423 * config/c4x/c4x.h (RC_REG): New register class.
2424 (rc_reg_operand): Define prototype.
2425 (IS_RC_REG): New macro.
2426 (IS_RC_OR_PSEUDO_REG): New macro.
2427 (IS_RC_OR_PSEUDO_REGNO): New macro.
2428 (OPTIMIZATION_OPTIONS): Define.
2430 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2432 * collect2.c (extract_init_priority): No priority is 65535.
2434 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2436 * Makefile.in (build_tooldir): new variable, same as old
2437 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2438 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2439 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2441 * configure.in (gxx_include_dir): set default based on unlibsubdir
2442 * Makefile.in (tooldir): ditto
2443 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2444 gxx_include_dir, includedir and tooldir
2445 (protoize.o, unprotoize.o): ditto
2447 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2449 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2451 * config/arm/thumb.c (thumb_override_options): Add warning about
2452 PIC code not being supported just yet.
2454 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2456 * flow.c: Update comment.
2457 (notice_stack_pointer_modification): New static function.
2458 (record_volatile_insns): Use it.
2459 (mark_regs_live_at_end): Mark the stack pointer as alive
2460 at the end of the function if current_function_sp_is_unchanging
2462 (life_analysis_1): Set current_function_sp_is_unchanging.
2463 * function.c: Define it.
2464 (init_function_start): Initialize it.
2465 * output.h: Declare it.
2466 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2467 the stack pointer as alive at the end of the function if
2468 current_function_sp_is_unchanging is set.
2469 * i386.c (ix86_epilogue): Optimize the restoring
2470 of the stack pointer.
2472 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2474 * version.c: Bump for snapshot.
2476 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2478 * c-pragma.c (handle_pragma_token): If passed a token instead
2479 of a tree, use that as the pack value.
2481 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2483 * flow.c (find_basic_blocks_1): Fix prototype.
2485 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2487 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2488 (struct tree_decl): New fields no_check_memory_usage.
2489 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2490 (init_attributes): Register it as a new attribute.
2491 (decl_attributes): Set flags on functions given that attribute.
2492 * c-decl.c (duplicate_decls): Merge new attribute.
2493 * expr.h (current_function_check_memory_usage): Declare new var.
2494 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2495 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2496 current_function_check_memory_usage.
2497 * function.h: Add field to struct function.
2498 * function.c (current_function_check_memory_usage): Define it.
2499 (push_function_context_to, pop_function_context_from): Save and
2501 (expand_function_start): Set it, based on global flag and function
2504 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2505 check non-automatic variables, to permit detection of writes to
2506 read-only locations in embedded systems without memory management.
2507 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2508 when emitting chkr_set_right_libfunc call, even if the argument is
2509 BLKmode or variable-sized; don't abort.
2511 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2512 symbols in Pmode, not VOIDmode.
2514 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2516 * cppexp.c: When forcing unsigned comparisons, cast both sides
2519 * cpphash.h: Move static declaration of hashtab[]...
2520 * cpphash.c: ...here.
2522 * cpplib.c: Cast difference of two pointers to size_t before
2523 comparing it to size_t. Cast signed to unsigned
2524 before comparing to size_t. (FIXME: struct argdata should use
2525 unsigned buffer sizes.)
2526 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2527 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2528 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2529 size_t before comparison.
2531 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2533 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2534 (find_basic_blocks_1): Similarly.
2535 * output.h (find_basic_blocks): Fix prototype.
2536 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2537 find_basic_blocks anymore.
2539 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2541 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2542 (sbitmap_free, sbitmap_vector_free): New macros.
2543 * output.h (rtl_dump_file): Declare.
2545 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2547 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2549 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2551 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2553 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2554 (divide): Remove unused variable `tmp'.
2555 (si_to_float): Cast numeric constant to (SItype) before comparing
2558 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2560 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2561 * gcc.c (add_preprocessor_option): Correct typo when allocating
2562 memory, sizeof() argument had one too many `*'.
2563 (add_assembler_option): Likewise.
2564 (add_linker_option): Likewise.
2565 * gcov.c (output_data): Likewise.
2566 * local-alloc.c (memref_used_between_p): Likewise.
2567 (update_equiv_regs): Likewise.
2568 * loop.c (strength_reduce): Likewise.
2569 * reg-stack.c (record_asm_reg_life): Likewise.
2570 (subst_asm_stack_reg): Likewise.
2571 * reorg.c (dbr_schedule): Likewise.
2573 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2575 * flow.c (life_analysis_1): Break out some functions.
2576 (find_basic_blocks_1): Likewise. Also move some variables out and
2578 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2579 new static var nonlocal_label_list with it.
2580 (active_eh_region, nested_eh_region, label_value_list,
2581 nonlocal_label_list): New static variables.
2582 (make_edges, delete_unreachable_blocks, delete_block): New static
2583 functions, broken out of find_basic_blocks_1.
2584 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2585 noop_move_p): New static functions, broken out of life_analysis_1.
2587 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2589 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2590 Take extra care for op0 now possibly being a subreg.
2591 (extract_bit_field): Likewise.
2592 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2593 the reg to memory if there is no equal sized integral mode.
2594 * stor-layout.c (int_mode_for_mode): New function.
2595 * machmode.h: Prototype it.
2597 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2599 * global.c (build_insn_chain): Verify no real insns exist past the
2600 end of the last basic block, then exit the loop.
2602 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2604 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2606 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2608 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2610 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2612 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2614 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2616 * flow.c (find_basic_blocks): Correctly determine when a call
2617 is within an exception region.
2619 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2621 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2623 * cpplib.h: Protect from multiple inclusions.
2624 * cpplib.c: Fix minor formatting problems.
2626 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2628 * jump.c (jump_optimize): Revert accidental patch.
2630 * Makefile.in (cpplib.o): Use unlibsubdir.
2632 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2634 * loop.c (get_condition): Allow combine when either compare is
2637 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2639 * version.c: Bump for snapshot.
2641 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2643 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2644 (init_lex): Initialize ridpointers[RID_BYREF].
2645 * c-lex.h (enum rid): Add RID_BYREF.
2646 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2647 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2648 (encode_type_qualifiers): Similarly
2649 * c-gperf.h: Rebuilt.
2651 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2653 * c-common.c (type_for_mode): Only return TItype nodes when
2654 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2655 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2656 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2657 (init_decl_processing): Only create TItype nodes when
2658 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2659 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2660 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2662 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2664 * stmt.c (n_occurrences): New static function.
2665 (expand_asm_operands): Verify that all constrains match in the
2666 number of alternatives.
2667 Verify that '+' or '=' are at the beginning of an output constraint.
2668 Don't allow '&' for input operands.
2669 Verify that '%' isn't written for the last operand.
2670 * reload.c (find_reloads): Abort if an asm is found with invalid
2671 constraints; all possible problems ought to be checked for earlier.
2673 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2675 * flags.h (flag_branch_on_count_reg): Always declare
2676 * toplev.c (flag_branch_on_count_reg): Likewise.
2677 * toplev.c: Fix typos.
2679 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2682 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2684 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2686 (find_basic_blocks_1): Add a nop to the end of a basic block when
2687 a trailing call insn does not have abnormal control flow.
2688 * gcse.c (pre_transpout): New variable.
2689 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2690 (compute_pre_transpout): Calculate it.
2691 (compute_pre_ppinout): Use it to eliminate impossible placements
2692 due to abnormal control flow through calls.
2693 (compute_pre_data): Call compute_pre_transpout.
2695 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2697 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2699 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2701 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2702 and matching define_insns): Tack on a `use' of the table label, so
2703 flow analysis will recognize a tablejump.
2705 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2707 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2708 always end basic blocks for abnormal edge reasons.
2710 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2712 * config/i386/i386.h: Remove definition of
2713 HANDLE_PRAGMA_PACK_PUSH_POP.
2715 * config/i386/go32.h: Add definition of
2716 HANDLE_PRAGMA_PACK_PUSH_POP.
2718 * config/i386/win32.h: Add definition of
2719 HANDLE_PRAGMA_PACK_PUSH_POP.
2721 * config/i386/cygwin32.h: Add definition of
2722 HANDLE_PRAGMA_PACK_PUSH_POP.
2724 * c-pragma.c (insert_pack_attributes): Do not insert
2725 attributes unless #pragma pack(push,<n>) is in effect.
2727 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2729 * expr.c (emit_group_store): Handle a PARALLEL destination.
2731 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2733 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2734 the new insns before the argument regs are loaded.
2736 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2738 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2739 (c-parse.gperf): Update comments describing invocation flags.
2740 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2742 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2744 * reload1.c (reload): Call free before clobbering the memory
2745 locations or constants pointers.
2747 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2749 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2750 for efficiency by checking whether we need to modify the current
2751 stack permission at all.
2752 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2753 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2754 __enable_execute_stack libcall here too if
2755 TRANSFER_FROM_TRAMPOLINE is defined.
2756 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2759 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2761 * Makefile.in (DRIVER_DEFINES): Remove last change.
2763 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2765 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2766 insns we're going to copy.
2767 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2769 * loop.c (count_one_set): Add prototype.
2771 * caller-save.c (restore_referenced_regs): Lose mode argument.
2772 (insert_save): Lose mode argument.
2773 (insert_restore): Lose mode argument.
2774 (insert_one_insn): Lose mode argument.
2775 (save_call_clobbered_regs): Lose mode argument.
2776 (setup_save_areas): Take no argument and return void. All callers
2778 Don't verify validity of memory addresses.
2779 * reload.h (setup_save_ares): Adjust prototype.
2780 (save_call_clobbered_regs): Likewise.
2781 * reload1.c (delete_caller_save_insns): New function.
2782 (caller_save_spill_class): Delete variable.
2783 (caller_save_group_size): Delete variable.
2784 (reload): Call setup_save_areas and save_call_clobbered_regs
2785 in the main loop, before calling calculate_needs_all_insns.
2786 Don't call save_call_clobbered_regs after the loop.
2787 Call delete_caller_save_insns at the end of an iteration if
2789 Delete code to manage caller_save_spill_class.
2790 Emit the final note before setting reload_first_uid.
2791 Simplify test that determines whether reload_as_needed gets run.
2792 (calculate_needs): Delete code to manage caller_save_spill_class.
2794 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2796 * collect2.c (main): Initialize ld_file_name.
2798 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2800 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2801 check for flag_function_sections.
2803 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2805 * cse.c (insert_regs): Fix bug in Sep 24 change.
2807 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2809 * flags.h (flag_dump_unnumbered): Declare.
2810 * toplev.c (flag_dump_unnumbered): Don't declare.
2811 * print-rtl.c (flags.h): Include.
2812 (print_rtl_single): Add return value.
2813 * rtl.h (print_rtl_single): Update declaration.
2814 * flow.c (flag_dump_unnumbered): Don't declare.
2815 (print_rtl_with_bb): Use return value of print_rtl_single.
2817 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2819 * loop.c (count_one_set): New static function, broken out of
2821 (count_loop_regs_set): Call it.
2822 * global.c (mark_reg_store): Handle clobbers here by not calling
2824 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2825 is in fact a clobber.
2826 * integrate.c (process_reg_param): New function, broken out of
2827 expand_inline_function.
2828 (expand_inline_function): Call it.
2831 * i386.md (addsidi3_1): Delete unused variable temp.
2832 (addsidi3_2): Likewise.
2833 (clstrstrsi): Delete unused variable addr1.
2835 * rtl.h: Don't declare any functions also declared in recog.h.
2837 * Makefile.in (stupid.o): Update dependencies.
2838 (global.o): Likewise.
2840 * global.c: Include reload.h
2841 (reg_becomes_live): New function.
2842 (reg_dies): New function.
2843 (build_insn_chain): New function.
2844 (global_alloc): Call build_insn_chain before calling reload.
2846 * reload.h (struct needs): New structure definition.
2847 (struct insn_chain): Likewise.
2848 (reload_insn_chain): Declare variable.
2849 (new_insn_chain): Declare function.
2852 * reload1.c (reload_startobj): New variable.
2853 (reload_insn_chain): New variable.
2854 (unused_insn_chains): New variable.
2855 (new_insn_chain): New function.
2856 (init_reload): Initialize reload_startobj, not reload_firstobj.
2857 (reload): Initialize reload_firstobj.
2858 Before returning, free everything on the reload_obstack.
2860 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2861 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2862 current_chain): New variables.
2863 (reg_where_born): Delete variable.
2864 (REG_WHERE_BORN): New macro.
2865 (find_clobbered_regs): New function.
2866 (stupid_life_analysis): Don't allocate/free reg_where_born.
2867 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2868 reg_where_dead_chain.
2869 Use REG_WHERE_BORN instead of reg_where_born.
2870 While processing the insns, build the reload_insn_chain with
2871 information about register lifetimes.
2872 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2873 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2875 Compute and information about birth and death of pseudo registers in
2876 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2877 Delete code to set elements of reg_where_born.
2879 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2881 * tree.def (GOTO_EXPR): Modified documentation.
2882 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2885 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2887 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2888 loop_final_value, loop_comparison_code): No longer static.
2889 (unroll_loop): Delete loop_start_value update.
2890 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2891 loop_final_value, loop_comparison_code): Extern.
2892 (loop_start_value): Delete extern.
2893 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2894 loop_comparison_value, loop_comparison_code): Delete.
2895 (loop_optimize): Remove initialization for deleted variables.
2896 (strength_reduce): Delete analyze_loop_iterations call. Only call
2897 insert_bct if flag_branch_count_on_reg set.
2898 (analyze_loop_iterations): Delete.
2899 (insert_bct): Remove iteration count calculation. Move checks for
2900 viable BCT optimization to here. Obtain iteration count from
2901 loop_iterations and correct for unrolling. Check for enough
2902 iteration to be beneficial. Comment out runtime iteration count
2904 (insert_bct): Print iteration count in dump file. Remove
2905 loop_var_mode and use word_mode directly.
2907 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2908 * rs6000.c (rs6000_override_options): Use it.
2909 (optimization_options): Enable use of flag_branch_on_count_reg.
2910 * rs6000.md (define_function_unit): Describe 604e.
2912 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2914 * loop.c (move_movables): Corrected threshold calculation for
2915 moved_once registers.
2917 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2919 * loop.c (combine_givs_p): Fix test for identical givs.
2921 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2923 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2924 call abort if the function is already defined.
2926 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2928 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2929 truncation is not a no-op.
2931 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2933 * version.c: Bump for snapshot.
2935 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2937 * version.c: Bump for snapshot.
2939 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2941 * expmed.c (expand_divmod): Don't widen for computing remainder
2942 if we seem to have a divmod pattern for needed mode.
2944 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2946 * cpplib.c (macroexpand): Correct off-by-one error in handling
2949 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2951 * combine.c (expand_field_assignment): Don't do bitwise operations
2952 on MODE_FLOAT; pun to MODE_INT if possible.
2954 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2955 scott snyder <snyder@d0sgif.fnal.gov>
2957 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2958 linker. Recognize mangled names in quotes.
2960 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2962 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2963 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2964 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2965 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2967 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2969 * function.c (purge_addressof_1): If trying to take a sub-word
2970 integral piece of a floating point mode, put it on the stack.
2972 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2974 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2976 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2978 * PROJECTS: Remove template friends.
2980 * collect2.c (sort_ids): Remove unused variable.
2982 * tm.texi (MATH_LIBRARY): Document.
2983 (NEED_MATH_LIBRARY): Remove.
2985 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2986 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2988 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2990 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2991 last_end to 0x7fffffff.
2993 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2995 * function.c (purge_addressof_1): Do not perform endianness
2996 corrections on bitpos, who we call will do it for us.
2998 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
3000 * h8300.c (WORD_REG_USED): Fix typo.
3001 (initial_offset): Use WORD_REG_USED.
3003 * h8300.c (handle_pragma): Fix typo.
3005 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3007 * caller-save.c (insert_save_restore): Break this function up
3008 into new functions insert_restore, insert_save and insert_one_insn.
3009 All callers changed.
3010 (insert_restore): New function, mostly broken out of
3011 insert_save_restore.
3012 (insert_save): Likewise.
3013 (insert_one_insn): Likewise.
3014 (restore_referenced_regs): New argument BLOCK. All callers changed.
3015 (save_call_clobbered_regs): Don't keep track of basic block boundaries
3016 in this function, do it in insert_one_insn instead.
3018 * reload1.c (reload): Break out some more pieces into separate
3020 (dump_needs): New function, broken out of reload.
3021 (set_initial_elim_offsets): Likewise.
3022 (init_elim_table): Likewise.
3023 (update_eliminables): Likewise.
3025 * global.c (global_alloc): Delete code to manage the scratch_list.
3026 * local-alloc.c (qty_scratch_rtx): Delete.
3027 (scratch_block): Delete.
3028 (scratch_list): Delete.
3029 (scratch_list_length): Delete.
3030 (scratch_index): Delete.
3031 (alloc_qty_for_scratch): Delete.
3032 (local-alloc): Update initialization of max_qty.
3033 Delete code to manage the scratch list.
3034 Delete code to allocate/initialize qty_scratch_rtx.
3035 (block_alloc): Don't allocate quantities for scratches.
3036 Delete code to manage the scratch list.
3037 * regs.h (scratch_list): Delete declaration.
3038 (scratch_block): Delete declaration.
3039 (scratch_list_length): Delete declaration.
3040 * reload1.c (reload): Delete code to manage the scratch list.
3041 (spill_hard_reg): Likewise.
3042 (mark_scratch_live): Delete.
3044 * recog.c (alter_subreg): Delete declaration.
3046 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
3048 * Makefile.in (cccp.o): Fix typo in last patch.
3050 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3052 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
3053 * config/sh/lib1funcs.asm (___set_fpscr): Add.
3055 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
3057 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
3058 NULL_RTX as an argument.
3060 * Makefile.in (unlibsubdir): Define.
3061 (DRIVER_DEFINES): Use unlibsubdir.
3062 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
3063 (stmp-fixinc): Similarly.
3065 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3067 * regmove.c (regmove_optimize): Add variable old_max_uid.
3068 At the end of the function, update basic_block_end.
3070 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3072 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
3073 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
3076 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
3078 * config/arm/arm.c: Improve interworking support.
3080 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3082 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
3083 copied from reload_out[r] .
3085 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
3087 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
3088 with more than three size ranges.
3090 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
3092 * rtl.c (mode_name): Add a null string at the end of the array.
3093 (mode_wider_mode): Change type to unsigned char.
3094 (mode_mask_array): New variable.
3095 (init_rtl): Update for mode_wider_mode type change.
3097 * rtl.h (mode_wider_mode): Change type to unsigned char.
3098 (mode_mask_array): Declare.
3099 (GET_MODE_MASK): Use mode_mask_array.
3101 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
3103 * calls.c (expand_call) : Encapsulate code into
3104 copy_blkmode_from_reg.
3105 * expr.c (copy_blkmode_from_reg): New function.
3106 * expr.h (copy_blkmode_from_reg): New function.
3107 * integrate.c (function_cannot_inline_p): We can inline
3109 (expand_inline_function): Use copy_blkmode_from_reg
3110 if needed. Avoid creating BLKmode REGs.
3111 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
3114 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
3116 * config/v850/v850.c: Add function prototypes.
3117 Add support for v850 special data areas.
3119 * config/v850/v850.h: Add support for v850 special data areas.
3121 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
3122 HANDLE_PRAGMA_PACK_PUSH_POP.
3123 (push_alignment): New function: Cache an alignment requested
3124 by a #pragma pack(push,<n>).
3125 (pop_alignment): New function: Pop an alignment from the
3127 (insert_pack_attributes): New function: Generate __packed__
3128 and __aligned__ attributes for new decls whilst a #pragma pack
3130 (add_weak): New function: Cache a #pragma weak directive.
3131 (handle_pragma_token): Document calling conventions. Add
3132 support for #pragma pack(push,<n>) and #pragma pack (pop).
3134 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
3135 are defined enable HANDLE_PRAGMA_PACK.
3136 Move 'struct weak_syms' here (from varasm.c).
3137 Add pragma states for push and pop pragmas.
3139 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
3142 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
3143 HANDLE_GENERIC_PRAGMAS.
3145 * varasm.c: Move definition of 'struct weak_syms' into
3147 (handle_pragma_weak): Deleted.
3149 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3151 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3153 * c-decl.c (start_function): Add invocation of
3154 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
3156 * tm.texi: Remove description of non-existant macro
3157 SET_DEFAULT_SECTION_NAME.
3159 (HANDLE_SYSV_PRAGMA): Document.
3160 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
3162 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
3164 * config.sub: Recognize i[34567]86-pc-udk as new target.
3165 * configure.in: Likewise.
3166 * config/i386/t-udk: New file.
3167 * config/i386/udk.h: New file.
3169 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
3171 * reorg.c (check_annul_list_true_false): Remove unused variables.
3172 (steal_delay_list_from_target): Add missing "used_annul" variable.
3173 (try_merge_delay_insns): Close out half formed comment.
3175 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3177 * cpplib.c (macroexpand): If arg->raw_before or
3178 arg->raw_after, remove any no-reexpansion escape at the
3179 beginning of the pasted token. Correct handling of whitespace
3180 markers and no-reexpand markers at the end if arg->raw_after.
3182 * toplev.c (documented_lang_options): Recognize -include,
3183 -imacros, -iwithprefix, -iwithprefixbefore.
3184 * cpplib.c (cpp_start_read): Process -imacros and -include
3185 switches at the same time and in command-line order, after
3186 initializing the dependency-output code. Emit properly nested
3187 #line directives for them. Emit a #line for the main file
3188 before processing these switches, and don't do it again
3191 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
3193 * function.c (purge_addressof_1): Use bitfield manipulation
3194 routines to handle mem mode < reg mode.
3196 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3198 * reorg.c (try_merge_delay_insns): Account for resources referenced
3199 in each instruction in INSN's delay list before trying to eliminate
3200 useless instructions. Similarly when looking at a trial insn's delay
3203 * reorg.c (check_annul_list_true_false): New function.
3204 (steal_delay_list_from_{target,fallthrough}): Call it and also
3205 refine tests for when we may annul if already filled a slot.
3206 (fill_slots_from_thread): Likewise.
3207 (delete_from_delay_slot): Return newly-created thread.
3208 (try_merge_delay_isns): Use its new return value.
3210 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
3212 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
3213 used to compute a giv or as some other non-counting use.
3215 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3217 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3218 * local-alloc.c (find_free_reg): Use it.
3219 * global.c (find_reg): Likewise.
3220 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
3222 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
3223 * caller-save.c (init_caller_save): Use it.
3224 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
3226 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3228 * configure.in: Add --enable-cpplib option which uses cpplib
3229 for cpp, but doesn't link cpplib into cc1. Make help text
3230 capitalization consistent.
3231 * configure: Rebuilt.
3233 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
3235 * function.c (gen_mem_addressof): If the address REG is
3236 REG_USERVAR_P make the new REG be so also.
3237 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
3238 in an attempt to clarify slightly.
3240 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
3242 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
3243 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
3245 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
3247 * toplev.c: Fix last patch.
3249 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
3251 * loop.c (get_condition): Fix typo in May 9 change.
3253 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3255 * invoke.texi (-fexceptions): Merge 2 different descriptions.
3257 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3259 * toplev.c (documented_lang_options): Spelling corrections.
3261 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3263 * configure.in: new flags --with-ld and --with-as, equivalent
3264 to setting LD and AS environment variables. Test whether
3265 specified arguments are GNU commands, and report them with
3266 checking messages. Use the specified AS for configure
3269 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
3271 * gcc.c (find_a_file): when looking for `as' and `ld', return
3272 the DEFAULT program if it exists
3273 * collect2.c (main): use DEFAULT_LINKER if it exists
3275 * gcc.c (find_a_file): the test for existence of a full
3276 pathname was reversed
3278 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
3280 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
3281 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
3283 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
3285 * tree.h (TYPE_BINFO): Document.
3287 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
3289 * i386-coff.h (dbxcoff.h): Added.
3291 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
3293 * toplev.c: fix bad patch around flag_data_sections.
3295 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
3297 * reload1.c (reload): Use reload_address_index_reg_class and
3298 reload_address_base_reg_class when setting
3299 caller_save_spill_class. (Patch generated by Jim Wilson:
3302 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
3304 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
3305 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
3306 * expr.c (store_field): Add alias_set parameter. Set the
3307 MEM_ALIAS_SET accordingly, if the target is a MEM.
3308 (expand_assignment): Use it.
3309 (store_constructor_field): Pass 0.
3310 (expand_expr): Likewise.
3312 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
3314 * flags.h: Add flag_data_sections.
3315 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
3316 (compile_file): Error if flag_data_sections not supported.
3317 * varasm.c (assemble_variable): Handle flag_data_sections.
3318 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
3319 * config/mips/elf.h: Likewise.
3320 * config/mips/elf64.h: Likewise.
3321 * invoke.texi: Describe -fdata-sections.
3323 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
3325 * invoke.texi (-ffloat-store): Clarify that this option
3326 does not affect intermediate results -- only variables.
3328 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
3330 * cpp.texi: Update for Fortran usage from Craig.
3332 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3334 * rs6000.c (function_arg_boundary): Revert accidental change on
3337 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
3339 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
3340 (output_mi_thunk): Declare.
3342 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
3343 (output_function_profiler): Use r12 for temp, instead of r11 so
3344 that we preserve the static chain register.
3346 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
3348 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
3350 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3352 * sh.c (gen_shl_sext): Fix case 5.
3354 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3356 * reload1.c (reload_combine): Re-add line that got accidentally lost.
3358 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3360 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
3361 accessing variables until they are initialized via va_arg().
3363 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3365 * reload1.c (reload_combine): Initialize set before using.
3367 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
3369 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
3372 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
3374 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
3375 operand3 with mask before using it. Patch provided by Jim Wilson.
3377 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3379 * config/sparc/sparc.c (function_value): Perform the equivalent of
3380 PROMOTE_MODE for ARCH64.
3381 (eligible_for_epilogue_delay): Allow DImode operations in delay
3382 slot of a return for ARCH64.
3384 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3386 * sh.md (sqrtsf2): Fix mode of sqrt.
3388 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3390 * reload1.c (choose_reload_regs): Also try inheritance when
3391 reload_in is a stack slot of a pseudo, even if we already got a
3394 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3396 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
3397 (reload_cse_regs): New function body: call reload_cse_regs_1,
3398 reload_combine, reload_cse_move2add.
3399 When doing expensive_optimizations, call reload_cse_regs_1 a
3400 second time after reload_cse_move2add.
3401 (reload_combine, reload_combine_note_store): New functions.
3402 (reload_combine_note_use): New function.
3403 (reload_cse_move2add, move2add_note_store): New functions.
3405 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3407 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
3408 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
3410 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
3411 more than 3 such reloads.
3413 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
3414 RELOAD_FOR_X_ADDR_ADDR reload.
3416 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3418 * expr.c (store_constructor): When initializing a field that is smaller
3419 than a word, at the start of a word, try to widen it to a full word.
3421 * cse.c (cse_insn): When we are about to change a register,
3422 remove any invalid references to it.
3424 (remove_invalid_subreg_refs): New function.
3425 (mention_regs): Special treatment for SUBREGs.
3426 (insert_regs): Don't strip SUBREG for call to mention_regs.
3427 Check if reg_tick needs to be bumped up before that call.
3428 (lookup_as_function): Try to match known word_mode constants when
3429 looking for a norrower constant.
3430 (canon_hash): Special treatment for SUBREGs.
3432 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3434 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3435 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3436 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3437 and offsets in actual stack trampoline code so they match the
3438 commentary and actually work.
3440 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3442 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3444 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3445 tmake_file. Set extra_parts to needed crt objects.
3446 * configure: Rebuilt.
3447 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3448 (TARGET_DEFAULT): Set if default is v9 or ultra.
3449 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3450 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3451 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3452 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3453 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3454 (TARGET_VERSION): Define.
3455 (MULTILIB_DEFAULT): Define.
3456 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3457 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3458 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3460 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3461 * config/sparc/sparc.c (sparc_override_options): If arch and
3462 pointer size disagree, emit diagnostic and fix it up. If
3463 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3464 V8PLUS in 64-bit mode.
3465 * config/sparc/t-linux64: New file.
3466 * config/sparc/t-sol2-64: New file.
3467 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3468 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3469 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3470 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3471 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3472 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3474 (STARTFILE_SPEC): Set approriately based upon those.
3475 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3476 disposition of DEFAULT_ARCH32_P.
3477 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3478 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3479 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3480 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3481 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3483 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3485 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3487 * rtl.h (init_virtual_regs): New function.
3488 * emit-rtl.c (init_virtual_regs): Define.
3489 (insn_emit): Use it.
3490 * integrate.c (save_for_inline_copying): Likewise.
3492 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3494 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3495 (enum reg_class): Add NONARG_LO_REGS support.
3496 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3497 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3498 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3499 completes. Re-enable HImode REG+OFFSET addresses.
3500 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3502 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3504 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3506 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3507 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3508 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3510 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3512 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3513 jumps as a single entity, taking into account the size of the
3516 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3518 * tree.def (SWITCH_EXPR): New tree node definition.
3520 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3522 * version.c: Bump for snapshot.
3524 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3526 * version.c: Bump for snapshot.
3528 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3530 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3533 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3535 * Revert this patch.
3536 * reload.c (find_reloads): Do not replace a pseudo with
3537 (MEM (reg_equiv_addr)) in the initializing insn for the
3540 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3542 * final.c (final_scan_insn): Disable tracking CC across branches.
3544 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3546 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3547 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3548 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3549 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3550 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3552 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3554 * toplev.c (rest_of_compilation): Skip compiling anything with
3555 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3557 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3559 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3560 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3561 use in_libcall_block.
3562 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3563 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3566 Mon Sep 21 14:02:23 1998
3568 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3569 typo in no-fancy-math-387 description.
3571 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3573 * version.c: Bump for snapshot.
3575 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3577 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3579 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3581 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3582 documented in install.texi.
3583 (TARGET_OPTIONS) Likewise.
3585 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3587 * version.c: Bump for snapshot.
3589 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3591 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3592 * cccp.c (main): Likewise.
3594 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3595 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3598 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3600 * Makefile.in (LIBS): Link in libiberty.a.
3601 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3603 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3605 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3606 it to update bb boundaries. Update caller.
3607 * function.c (reposition_prologue_and_epilogue_notes): Update
3608 bb boundaries wrt the moved note.
3610 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3612 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3614 * configure: Regenerate.
3616 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3618 * alpha.c (alpha_sr_alias_set): New variable.
3619 (override_options): Set it.
3620 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3621 (mode_mask_operand): Fix signed-unsigned comparision warning.
3622 (alpha_expand_block_move): Likewise.
3623 (print_operand): Likewise.
3624 (get_aligned_mem): Use change_address.
3625 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3626 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3627 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3628 (alpha_align_insns): Remade from old alphaev5_align_insns
3629 to handle multiple processors.
3630 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3631 * output.h (label_to_alignment): Prototype.
3633 * tree.c (new_alias_set): New function.
3634 * tree.h (new_alias_set): Declare it.
3635 * c-common.c (c_get_alias_set): Use it.
3637 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3639 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3640 to an ABS expr, convert an unsigned input to signed.
3642 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3644 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3646 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3648 * configure.in: Add support for c4x targets.
3649 * configure: Rebuilt.
3651 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3653 * combine.c (distribute_notes): If an insn is a cc0 user, only
3654 delete it if we can also delete the cc0 setter.
3656 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3658 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3659 (invert_truthvalue): Enable truthvalue inversion for
3660 floating-point operands if -ffast-math.
3662 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3664 * configure.in: Disable collect2 for nextstep. Instead use
3666 * configure: Rebuilt.
3667 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3668 (ENDFILE_SPEC): Define.
3669 (OBJECT_FORMAT_MACHO): Define.
3670 (EH_FRAME_SECTION_ASM_OP): Define.
3671 * crtstuff.c: Handle MACHO.
3673 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3675 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3677 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3679 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3680 (_fpadd_parts): Get sign right for 0.
3682 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3684 * ginclude/varargs.h: Add support for C4x target.
3685 * ginclude/stdargs.h: Likewise.
3687 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3689 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3690 (alpha_emit_set_long_const): Rewrite to be callable from reload
3692 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3693 * alpha.md (movdi): Likewise.
3695 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3697 * arm.c (add_constant): New parameter address_only, change caller.
3698 Set it non-zero if taking the address of an item in the pool.
3699 (arm_reorg): Handle cases where we need the address of an item in
3702 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3704 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3705 memory addresses that are not in standard canonical form.
3707 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3709 * README.C4X: New file with information about the c4x ports.
3710 * ginclude/va-c4x.h: New file for c4x varargs support.
3711 * config/c4x: New directory with c4x port files.
3713 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3715 * reload.c (find_reloads): Do not replace a pseudo with
3716 (MEM (reg_equiv_addr)) in the initializing insn for the
3719 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3721 * toplev.c (rest_of_compilation): Set bct_p on second call to
3723 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3725 (strength_reduce): Only call analyze_loop_iterations and
3726 insert_bct if bct_p set.
3727 (check_dbra_loop): Fix typo.
3728 (insert_bct): Use word_mode instead of SImode.
3729 (instrument_loop_bct): Likewise. Do not delete iteration count
3730 condition code generation insn. Initialize iteration count before
3732 * rtl.h (loop_optimize): Update prototype.
3734 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3735 not doubleword aligned.
3737 * rs6000.c (optimization_options): New function.
3738 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3739 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3740 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3741 first; cr1 can be used for FP record condition insns.
3743 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3745 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3748 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3751 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3753 (block_move_call): New function: Call a library routine to copy a
3755 (m32r_expand_block_move): New function: Expand a "movstrsi"
3756 pattern into a sequence of insns.
3757 (m32r_output_block_move): New function: Expand a
3758 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3759 (m32r_block_immediate_operand): New function: Return true if the
3760 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3762 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3764 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3766 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3768 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3770 * regmove.c (copy_src_to_dest): Check that modes match.
3772 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3774 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3776 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3778 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3779 narrower than FLOAT_REGS.
3781 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3783 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3785 * Makefile.in (old_gxx_include_dir): removed
3787 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3789 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3792 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3793 (sh_handle_pragma): Change function arguments to match new
3794 specification for HANDLE_PRAGMA.
3796 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3798 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3800 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3801 When generating output, initialize missing struct member to zero.
3803 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3805 * regmove.c (copy_src_to_dest): Don't copy if that requires
3806 (a) new register(s).
3808 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3810 * global.c (reg_allocno): Now static.
3811 * reload1.c (reg_allocno): Delete declaration.
3812 (order_regs_for_reload): Take no arguments. Don't treat regs
3813 allocated by global differently than those allocated by local-alloc.
3815 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3817 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3818 condition, fix format strings.
3819 (output_function_epilogue): Likewise.
3821 * m68k/m68k.c: Don't include <stdlib.h> directly.
3823 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3825 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3826 mem_first_set, mem_last_set; because 0 can be a CUID.
3827 (oprs_unchanged_p): Use new definition.
3828 (record_last_reg_set_info): Likewise.
3829 (record_last_mem_set_info): Likewise.
3830 (compute_hash_table): Likewise.
3832 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3834 * rs6000.c (output_epilogue): Handle Chill.
3836 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3837 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3839 * combine.c (make_extraction): If no mode is specified for
3840 an operand of insv, extv, or extzv, default it to word_mode.
3841 (simplify_comparison): Similarly.
3842 * expmed.c (store_bit_field): Similarly.
3843 (extract_bit_field): Similarly.
3844 * function.c (fixup_var_regs_1): Similarly.
3845 * recog.c (validate_replace_rtx_1): Similarly.
3846 * mips.md (extv, extzv, insv expanders): Default modes for most
3847 operands. Handle TARGET_64BIT.
3848 (movdi_uld, movdi_usd): New patterns.
3850 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3851 equivalent memory location unless we have been provided a scratch
3852 register. Similarly do not call find_replacement unless a
3853 scratch register has been provided.
3855 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3857 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3860 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3862 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3863 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3864 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3865 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3866 * c-decl.c (init_decl_processing): Update accordingly.
3867 * expr.c (expand_builtin): Likewise.
3869 * rtl.h (global_rtl): Add cfa entry.
3870 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3871 (LAST_VIRTUAL_REGISTER): Update.
3872 * emit-rtl.c (global_rtl): Add cfa entry.
3873 (init_emit): Initialize it.
3874 * function.c (cfa_offset): New.
3875 (instantiate_virtual_regs): Initialize it.
3876 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3877 (expand_function_end): Call expand_eh_return.
3878 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3880 * except.c (current_function_eh_stub_label): Kill.
3881 (current_function_eh_old_stub_label): Likwise; update all references.
3882 (expand_builtin_set_return_addr_reg): Kill.
3883 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3884 (expand_builtin_set_eh_regs): Kill.
3885 (eh_regs): Produce a third reg for the actual handler address.
3886 (eh_return_context, eh_return_stack_adjust): New.
3887 (eh_return_handler, eh_return_stub_label): New.
3888 (init_eh_for_function): Initialize them.
3889 (expand_builtin_eh_return, expand_eh_return): New.
3890 * except.h: Update prototypes.
3891 * flow.c (find_basic_blocks_1): Update references to the stub label.
3892 * function.h (struct function): Kill stub label elements.
3894 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3895 register number is one that would be in the previous window.
3896 Provide a dummy definition for non-windowed targets.
3897 (get_reg_addr): New function.
3898 (get_reg, put_reg, copy_reg): Use it.
3899 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3900 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3902 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3903 (alpha_init_expanders): Initialize it.
3904 (alpha_expand_epilogue): Use it.
3905 * alpha.h: Declare it.
3906 * alpha.md (eh_epilogue): New.
3908 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3909 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3911 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3913 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3916 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3918 * except.h (struct eh_entry): Add false_label field.
3919 (end_catch_handler): Add prototype.
3920 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3921 (start_catch_handler): When using old style exceptions, issue
3922 runtime typematch code before continuing with the handler.
3923 (end_catch_handler): New function, generates label after handler
3924 if needed by older style exceptions.
3925 (expand_start_all_catch): No need to check for new style exceptions.
3926 (output_exception_table_entry): Only output the first handler label
3927 for old style exceptions.
3928 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3929 mechanism into one function, if a runtime matcher is provided.
3931 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3933 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3935 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3937 * integrate.c (copy_decl_list): Fix typo.
3939 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3941 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3944 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3946 * version.c: Bump for snapshot.
3948 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3950 * version.c: Bump for snapshot.
3952 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3954 * version.c: Bump for snapshot.
3956 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3958 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3960 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3962 * configure.in: remove usage of `!' to negate the result of a
3963 command; some common shells do not support it
3965 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3967 * configure.in: in sparc9-sol2 config, use 'if test' not
3969 * configure: Rebuilt.
3971 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3973 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3974 (CPP_CPU_DEFAULT_SPEC): Likewise.
3975 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3976 for arch64 libfuncs.
3978 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3981 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3983 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3985 * collect2.c: Don't declare `sys_siglist' here.
3986 (my_strsignal): Prototype and define new function. Use it in
3987 place of `sys_siglist' hacks.
3989 * mips_tfile.c: Likewise.
3991 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3992 (GCC_NEED_DECLARATIONS): Likewise.
3994 * system.h (strsignal): Prototype it, if necessary.
3995 (sys_siglist): Declare it, if necessary.
3997 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3999 * loop.c (move_movables): While removing insn sequences, preserve
4000 the next pointer of the most recently deleted insn when we skip
4003 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
4005 * objc/config-lang.in: Do not output the name of the selected
4006 thread file when building the front-end. The Makefile for the
4007 runtime library will do this.
4009 * objc/Make-lang.in: Do not build the runtime library or install
4010 the Objective C header files. The Makefile for the runtime
4011 library will do this.
4013 * objc/Makefile.in (all.indirect): Only build the front-end.
4014 (compiler): Rename to `frontend'.
4015 (obj-runtime): Remove target.
4016 (copy-headers): Likewise.
4017 (clean): No need to remove `libobjc.a' any longer.
4019 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
4021 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
4022 supported with -mcpu=xxx.
4024 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4026 * flow.c (mark_set_1): Recognize multi-register structure return
4027 values in CALL insns.
4028 (mark_used_regs): Likewise.
4029 (count_reg_sets_1): Likewise.
4030 (count_reg_references): Likewise.
4031 * rtlanal.c (note_stores): Likewise.
4032 (reg_overlap_mentioned_p): Likewise.
4033 * haifa-sched.c (check_live_1): Likewise.
4034 (update_live_1): Likewise.
4035 (sched_analyze_1): Likewise.
4036 (sched_note_set): Likewise.
4037 (birthing_insn_p): Likewise.
4038 (attach_deaths): Likewise.
4040 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
4043 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
4045 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
4047 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4049 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
4051 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4053 * configure.in: Add check for GAS subsection -1 support.
4054 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
4055 * configure config.in: Rebuilt.
4056 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
4057 SImode is subsection -1 works, else use DImode.
4058 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
4059 subsection -1 works.
4060 * config/sparc/sparc.c (sparc_output_addr_vec,
4061 sparc_output_addr_diff_vec): Use them if defined.
4063 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
4065 * tree.h (DECL_ORIGIN): New macro.
4066 * integrate.c (copy_and_set_decl_abstract_origin): New function.
4067 (copy_decl_list): Use it.
4068 (integrate_parm_decls): Likewise.
4069 (integrate_decl_tree): Likewise.
4070 * dwarf2out.c (decl_ultimate_origin): Simplify.
4071 * dwarfout.c (decl_ultimate_origin): Likewise.
4072 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
4073 (pushdecl): Likewise.
4075 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
4077 * config/rs6000/rs6000.c (output_epilog): Add Java support.
4079 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
4081 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
4083 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
4085 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
4086 empty or has a single entry.
4088 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
4089 before calling reg_to_stack.
4091 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
4093 * alpha.c (alphaev5_insn_pipe): Abort on default case.
4094 (alphaev5_next_group): Swallow CLOBBERs and USEs.
4096 * c-tree.h (warn_long_long): Declare it.
4098 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
4100 * emit-rtl.c (gen_lowpart_common): Disable optimization of
4101 initialized float-int union if the value is a NaN.
4103 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
4105 * c-lex.c (real_yylex): Don't warn about long long constants if
4106 we're allowing long long
4108 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4110 * except.h (current_function_eh_stub_label): Declare.
4111 (current_function_eh_old_stub_label): Declare.
4112 * function.h (struct function): New members eh_stub_label and
4114 * except.c (current_function_eh_stub_label): New variable.
4115 (current_function_eh_old_stub_label): New variable.
4116 (init_eh_for_function): Clear them.
4117 (save_eh_status): Save them.
4118 (restore_eh_status): Restore them.
4119 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
4120 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
4121 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
4122 make an edge from the block that contains it to the block starting
4123 with the label if this label is one of the eh stub labels.
4124 If eh stub labels exist, show they are reachable from the last block
4127 * reload1.c (reload): Break out several subroutines and make some
4129 (calculate_needs_all_insns): New function, broken out of reload.
4130 (calculate_needs): Likewise.
4131 (find_reload_regs): Likewise.
4132 (find_group): Likewise.
4133 (find_tworeg_group): Likewise.
4134 (something_needs_reloads): New global variable, formerly in reload.
4135 (something_needs_elimination): Likewise.
4136 (caller_save_spill_class): Likewise.
4137 (caller_save_group_size): Likewise.
4138 (max_needs): Likewise.
4139 (group_size): Likewise.
4140 (max_groups): Likewise.
4141 (max_nongroups): Likewise.
4142 (group_mode): Likewise.
4143 (max_needs_insn): Likewise.
4144 (max_groups_insn): Likewise.
4145 (max_nongroups_insn): Likewise.
4146 (failure): Likewise.
4148 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
4150 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
4152 * loop.c (load_mems): Copy rtx for output mem.
4154 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
4156 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
4157 mips1 or mips2 either.
4159 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
4161 * pa.c (pa_reorg): New marking scheme for jumps inside switch
4163 (pa_adjust_insn_length): Update to work with new marking scheme
4164 for jumps inside switch tables.
4165 * pa.md (switch_jump): Remove pattern.
4166 (jump): Handle jumps inside jump tables.
4168 * Makefile.in (profile.o): Depend on insn-config.h
4170 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
4172 * iris6.h (DWARF2_UNWIND_INFO): Undef.
4174 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4176 Add preliminary native sparcv9 Solaris support.
4177 * configure.in: Recognize sparv9-*-solaris2*
4178 * configure: rebuilt
4179 * config.sub: Recognize sparcv9 just like sparc64.
4180 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
4181 config/sparc/sol2-cn.asm: Macroize so it can be shared between
4182 32-bit and 64-bit Solaris systems.
4183 * config/sparc/t-sol2: Assemble those with cpp.
4184 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
4185 (*TF*_LIBCALL): If ARCH64 use V9 names.
4186 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
4188 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4190 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
4191 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
4193 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
4195 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
4196 to Pmode if CASE_VECTOR_MODE is something else.
4198 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
4200 * prefix.c (update_path): Correctly handle cases where PATH is
4201 a substring of the builtin prefix, but specifies a different
4204 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
4206 * expr.c: Corrected comment about what MOVE_RATIO does.
4207 * config/alpha/alpha.h: Ditto.
4208 * config/1750a/1750a.h: Ditto.
4209 * config/clipper/clipper.h: Ditto.
4210 * config/i386/i386.h: Ditto.
4212 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
4214 * configure.in (m68k-next-nextstep3*): Use collect2.
4215 Similarly for x86 NeXT configurations.
4216 * configure: Rebuilt.
4218 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
4220 * configure.in: Don't assume srcdir is .../gcc
4221 * configure: Rebuilt.
4223 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
4225 * global.c: Update comments.
4226 (global_alloc): Assign allocation-numbers
4227 even for registers allocated by local_alloc in case
4228 they are later spilled and retry_global_alloc is called.
4229 (mark_reg_store, mark_reg_clobber,
4230 mark_reg_conflicts, mark_reg_death): Always record a
4231 conflict with a pseudo register even if it has been
4232 assigned to a hard register.
4233 (dump_conflicts): Don't list pseudo registers already assigned to
4234 a hard register as needing to be allocated, but do list their
4236 * local-alloc.c: Update comment.
4238 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
4240 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
4241 * configure: Rebuilt.
4243 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
4245 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
4247 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
4248 for all targets that set -msoft-float.
4250 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4252 * toplev.c (print_switch_values): Make static to match prototype.
4254 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
4256 * configure.in: If we are unable to find the "gnatbind" program,
4257 then do not configure the ada subdir.
4258 * configure: Rebuilt.
4260 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
4262 * version.c: Bump for snapshot.
4264 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
4266 * version.c: Bump for snapshot.
4268 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4270 * Makefile.in (toplev.o): Depend on $(EXPR_H).
4271 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
4273 * gansidecl.h: Define ATTRIBUTE_NORETURN.
4275 * genattrtab.c: Have insn-attrtab.c include toplev.h.
4277 * genextract.c: Have insn-extract.c include toplev.h.
4279 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
4281 * toplev.c: Include expr.h.
4282 (really_sorry, fancy_abort): Remove prototypes.
4283 (set_target_switch): Add argument in prototype.
4284 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
4285 (v_really_sorry): Likewise.
4286 (print_version, print_single_switch, print_switch_values): Make
4287 static and add prototype arguments.
4288 (decl_printable_name): Add prototype arguments.
4289 (lang_expand_expr_t): New typedef.
4290 (lang_expand_expr): Declare as a lang_expand_expr_t.
4291 (incomplete_decl_finalize_hook): Add prototype argument.
4292 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
4293 (botch): Likewise for variable `s'.
4294 (rest_of_type_compilation): Mark variables `type' and `toplev'
4295 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
4296 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
4297 (display_help): Make variable `i' an `unsigned long'.
4298 (main): Remove unused parameter `envp'.
4299 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
4300 Cast -1 when comparing it with a `size_t'.
4302 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
4303 prototype with ATTRIBUTE_NORETURN.
4304 (fatal_insn_not_found, fatal_insn, really_sorry,
4305 push_float_handler, pop_float_handler): Add prototypes.
4306 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
4307 (do_abort, botch): Add prototypes.
4309 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
4311 * final.c (final): If a label is reached only from a single jump,
4312 call NOTICE_UPDATE_CC on the jump and its predecessor before
4313 emitting the insn after the label.
4315 * i386.h: Add AMD K6 support.
4316 Change TARGET_* macros to use table lookup.
4317 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
4318 (ADJUST_COST): Change definition to call function in i386.c.
4319 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
4320 * i386.c: Add AMD K6 support.
4321 Add constants for feature tests used by TARGET_* macros.
4322 (split_di): If before reload, call gen_lowpart and gen_highpart.
4323 (x86_adjust_cost): New function.
4324 (put_jump_code): New function.
4325 (print_operand): New codes 'D' and 'd'.
4326 * i386.md: New insn types. New insn attribute "memory".
4327 Redefine scheduling parameters to use new types and add AMD K6
4328 support. Explicitly set type of most insns.
4329 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
4330 Pro and K6 prefer movl $1,reg to incl reg.
4331 (adddi3, subdi3): Set cc_status.
4332 (DImode shift patterns): Change label counters from HOST_WIDE_INT
4333 to int; x86 can't have more than 2^31 DImode shifts per file.
4334 (setcc): Combine all setcc patterns. Allow writing memory.
4335 Combine all jump patterns using match_operator.
4336 (*bzero): Name pattern. Emit mutliple stos instructions when that
4337 is faster than rep stos.
4338 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
4341 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
4343 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
4346 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
4348 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
4349 not whatever we're generating now.
4351 * alpha.c (set_frame_related_p, FRP): New.
4352 (alpha_expand_prologue): Mark frame related insns.
4353 (alpha_expand_epilogue): Likewise, but with a null FRP.
4354 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
4355 * alpha.md (exception_receiver): New.
4356 * alpha/crtbegin.asm (.eh_frame): New beginning.
4357 (__do_frame_setup, __do_frame_takedown): New.
4358 * alpha/crtend.asm (.eh_frame): New ending.
4359 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
4360 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
4361 (ASM_FILE_START): Don't emit .file for dwarf2.
4363 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
4364 * rtl.c (reg_note_name): Likewise.
4365 * rtl.texi (REG_NOTES): Likewise.
4366 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
4369 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
4371 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
4372 * i386.md (movsf, movdf, movxf): Validate memory address returned
4373 from force_const_mem. Kill useless REG_EQUAL setting code.
4375 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
4377 * m68k.md (zero_extendsidi2): Fix typo.
4379 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
4381 * configure.in: Removed references to the removed file
4382 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
4383 * arm*-*-netbsd* and ns32k-*-netbsd*.
4384 * config/i386/xm-netbsd.h: Removed unnecessary file.
4385 * config/m68k/xm-netbsd.h: Likewise.
4386 * config/sparc/xm-netbsd.h: Likewise.
4387 * config/mips/xm-netbsd.h: Likewise.
4389 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
4391 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
4392 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
4394 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
4395 for exact section attributions.
4397 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
4399 * i386/crtdll.h (CPP_PREDEFINES): Define.
4401 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
4403 * m68k.md (5200 movqi): Do not allow byte sized memory references
4405 * m68k.c (output_move_qimode): Do not use byte sized operations on
4408 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4409 explicit rules for building. Similarly for alloca, vfprintf,
4410 choose-temp and mkstemp, getopt, getopt1, and obstack.
4411 (INCLUDES): Add $(srcdir)/../include.
4412 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
4413 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
4415 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
4417 * gcc.c (do_spec_1): [case 'o'] Account for
4418 lang_specific_extra_outfiles.
4419 (main): Correctly clear all slots in outfiles for
4420 lang_specific_extra_outfiles. Set input_file_number before
4421 calling lang_specific_pre_link.
4423 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4425 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4427 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4429 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4431 (sparc_output_deferred_case_vectors): If no work to do, return.
4432 Fix thinko in Sept 1 change.
4434 1998-09-03 SL Baur <steve@altair.xemacs.org>
4436 * Makefile.in: add semicolon in BISON definition for portability.
4438 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4440 * config/nextstep.c (handle_pragma): Correct name of third
4443 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4445 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4446 * config/m32r/m32r.h: Make register 17 be fixed.
4447 * config/m32r/m32r.c: Use SImode for cc operations.
4449 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4451 * invoke.texi (Warning Options): Add -Wnon-template-friend
4454 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4456 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4458 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4460 * rs6000.md (movsf): Disable explicit secondary-reload-like
4461 functionality if TARGET_POWERPC64.
4462 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4465 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4467 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4468 and term.h from fixinc.wrap.
4470 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4472 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4473 safe to include both string.h and strings.h together.
4474 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4475 which headers to search for function declarations. Continue to
4476 prefer string.h over strings.h when both are not acceptable.
4478 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4480 * configure.in: Call GCC_HEADER_STRING.
4482 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4483 to include. Continue to prefer string.h over strings.h when both
4486 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4488 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4489 not assume top 32-bits of symbolic addresses are zero if
4492 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4494 * ginclude/va-alpha.h: Protect entire second portion of the
4495 file against double inclusion.
4497 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4499 Added support for the Boehm's garbage collector.
4500 * configure.in: Handle --enable-objc-gc.
4501 * configure: Rebuilt.
4502 * Makefile.in (CHECK_TARGETS): Add check-objc.
4503 (check-objc): New rule.
4504 * objc/Make-lang.in: Build a different Objective-C library that
4505 runs with the Boehm's collector.
4506 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4507 * objc/encoding.c: Correctly compute the size of compound types in
4508 the presence of bitfields. Skip the variable name of the type if
4509 any. Added support for long long.
4510 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4511 (_F_GCINVISIBLE): New mask.
4512 * objc/gc.c: New file. Compute the type memory mask associated with
4513 a class based on the runtime information.
4514 * objc/misc.c: Added the hooks that use the Boehm's collector
4515 allocation functions.
4516 * objc/objc-act.c (build_class_template): Generate a new class
4517 member (gc_object_type) to hold the class' type memory mask.
4518 (build_shared_structure_initializer): Initialize the new member to
4520 (encode_complete_bitfield): New function. Generate the new
4522 (encode_field_decl): Generate the new encoding only for the GNU
4524 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4526 (class_get_gc_object_type): New function to mark a pointer instance
4527 variable as a weak pointer.
4528 * objc/objc-features.texi: New file.
4529 * objc/objc.h (gc_object_type): New class member.
4530 * objc/objects.c (class_create_instance): Create a typed memory
4531 object when compiled with Boehm's collector support.
4532 * objc/sendmsg.c (__objc_init_install_dtable): Call
4533 __objc_send_initialize instead of setting the initialize flag.
4534 (__objc_send_initialize): Call __objc_generate_gc_type_description
4535 to generate the class type memory mask. Rewrite the code that
4536 sends the +initialize so that it is called only once (bug report
4537 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4538 * testsuite/objc: New testsuite for Objective-C type encoding.
4539 * testsuite/lib/objc-torture.exp: New file.
4540 * testsuite/lib/objc.exp: New file.
4542 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4544 * jump.c (jump_optimize): In if/then/else transformations, add
4545 another call to modified_between_p for the jump insn.
4547 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4549 * fix-header.c (symlink): Treat like readlink.
4551 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4553 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4556 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4558 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4559 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4560 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4562 * config/nextstep.c (handle_pragma): Take three arguments, as per
4563 the new HANDLE_PRAGMA macro specification.
4564 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4565 per the new HANDLE_PRAGMA macro specification.
4566 * config/i960/i960.c (process_pragma): Take three arguments, as
4567 per the new HANDLE_PRAGMA macro specification.
4569 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4571 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4572 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4573 if unknown pragmas are encountered.
4574 (handle_sysv_pragma): Interpret return code from
4575 handle_pragma_token (). Return success/failure indication rather
4576 than next unprocessed character.
4577 (pragma_getc): New function: retrieves characters from the
4578 input stream. Defined when HANDLE_PRAGMA is enabled.
4579 (pragma_ungetc): New function: replaces characters back into the
4580 input stream. Defined when HANDLE_PRAGMA is enabled.
4582 * c-pragma.c (handle_pragma_token): Return success/failure status
4585 * c-pragma.h: Change prototype of handle_pragma_token().
4587 * varasm.c: (handle_pragma_weak): Only create this function if
4588 HANDLE_PRAGMA_WEAK is defined.
4590 * c-common,c (decl_attributes): If defined call the expression
4591 contained within the INSERT_ATTRIBUTES macro before adding
4592 attributes to a decl.
4594 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4595 HANDLE_PRAGMA, which takes three arguments.
4596 (INSERT_ATTRIBUTES): Document this new macro.
4598 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4599 new INSERT_ATTRIBUTES macro.
4601 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4603 * config/sparc/sparc.md (movdf): Only generate special RTL for
4604 LABEL_REFs when PIC.
4605 (move_label_di): Remove
4606 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4607 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4608 references when PIC.
4609 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4610 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4611 output an .xword for all 64-bit cases.
4613 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4615 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4616 alignment, use FUNCTION_BOUNDARY instead.
4617 (sparc_output_deferred_case_vectors): Likewise.
4619 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4621 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4622 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4624 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4626 * alpha/va_list.h: New file.
4627 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4629 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4631 * NEWS: Add SCO Openserver and Unixware 7 notes.
4635 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4637 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4638 (record_constant_1): Handle RANGE_EXPR.
4640 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4642 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4643 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4644 and NOTE_INSN_RANGE_END specially.
4645 (reemit_notes): Likewise.
4647 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4649 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4650 (ultrasparc_sched_init): Remove unneeded &.
4652 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4654 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4655 for m68020-60, to prevent the use of fintrz.
4657 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4659 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4661 * Makefile.in: Likewise.
4662 * configure: Regenerated.
4664 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4666 * configure.in (gxx_include_dir): Changed to
4667 '${prefix}/include/g++'-${libstdcxx_interface}.
4668 * configure: Rebuilt.
4670 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4672 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4674 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4675 *sequences* *below* which scalar moves will be used.
4677 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4679 * collect2.c (mktemp): Delete unused declaration.
4681 * config/xm-netbsd.h: Remove unnecessary file.
4682 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4683 file anymore, it is not needed.
4685 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4687 * convert.c (convert_to_integer): Issue an error on conversions to
4690 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4692 * Makefile.in: Add lang_tree_files and gencheck.h.
4693 * configure.in: Generate them.
4694 * gencheck.c: Include gencheck.h.
4696 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4698 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4699 movdi_lo_sum_pic and movdi_high_pic and make visible.
4700 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4701 emit these when Pmode is not SImode.
4702 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4704 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4706 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4707 .linkonce directive after the first time.
4709 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4711 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4712 the clobbered operand overlaps with an input.
4713 (bne0_di): Similarly.
4715 * Makefile.in (INSTALL): Remove "--no-header" argument.
4717 * NEWS: Various updates.
4719 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4721 * config/sparc/sparc.c (arith_operand, const64_operand,
4722 const64_high_operand, arith_double_4096_operand): Mark mode as
4724 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4726 (sparc_emit_set_const64): Remove unused variable i.
4727 (sparc_splitdi_legitimate): Likewise for addr_part.
4728 (ultra_code_from_mask): Likewise for mask.
4729 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4730 reverse return values so it matches usage and comments.
4731 (ultra_flush_pipeline): Likewise.
4732 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4733 this_type, and allow loads and stores of differing FP modes as
4734 they do not create a conflict.
4735 (ultra_find_type): Initialize fpmode to SFmode, fix
4736 parenthesization thinkos in large conditional.
4737 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4738 Init free_slot_mask after ultra_cur_hist is reset, not before.
4739 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4740 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4741 use ultra_flush_pipeline instead, then re-init group pointer.
4742 Fix statement with no effect. If no progress made in, and no
4743 instructions scheduled at all, advance to new pipeline cycle else
4744 we get into an endless loop.
4745 (ultrasparc_adjust_cost): Remove previous arg.
4746 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4748 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4750 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4751 code. Use reg_overlap_mentioned_p to detect when source and
4752 destination overlap.
4753 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4755 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4757 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4758 COMPARISON_VAL, into invariant_p.
4760 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4762 * regmove.c (regclass_compatible_p): New function.
4763 (regmove_optimize): Use it.
4765 Use NREGS parameter insted of calling max_reg_num.
4767 (fixup_match_1): Don't use code = MINUS when later tieing with
4768 a hard register is likely.
4770 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4772 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4773 COMPARISON_VAL was normalized.
4775 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4777 * loop.c (check_dbra_loop): The loop ending comparison value
4778 must be an invariant or we can not reverse the loop.
4780 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4781 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4783 (load_mems_and_recount_loop_regs_set): Likewise.
4785 * i386.c (print_operand): Remove obsolete 'c' docs.
4787 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4789 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4790 * frame.c (init_object_mutex): New function.
4791 (init_object_mutex_once): Likewise.
4792 (find_fde): Call it.
4793 (__register_frame_info): Likewise.
4794 (__register_frame_info_table): Likewise.
4795 (__deregister_frame_info): Likewise.
4797 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4799 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4801 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4803 * loop.c (check_dbra_loop): Enable code for reversal
4804 of some loops without a known constant loop end.
4806 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4808 * haifa-sched.c (last_clock_var): New.
4809 (schedule_block): Initialize it.
4810 (schedule_insn): Use it to fill insn modes with issue information.
4812 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4813 Tag trapb and next insn with TImode.
4814 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4815 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4816 Invoke alphaev5_align_insns as appropriate.
4817 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4818 (MD_SCHED_VARIABLE_ISSUE): New.
4819 * alpha.md (attr type): Add multi.
4820 (define_asm_attributes): New.
4821 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4822 (arg_home): Likewise.
4823 (fnop, unop, realign): New.
4825 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4827 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4828 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4830 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4831 (rs6000-ibm-aix4.[12]*): Likewise.
4832 * configure: Regnerate.
4834 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4836 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4837 already contains the return address.
4839 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4841 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4842 word sized hunks when loading unaligned args into registers.
4844 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4845 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4847 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4849 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4851 * loop.c (check_dbra_loop): Add some code that would allow reversal
4852 of some loops without a known constant loop end if it were enabled.
4854 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4856 * mips.md (lshrsi3_internal2+2): Fix type-o.
4858 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4860 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4861 correctly with regards to stdio.h.
4863 * calls.c: Remove stdarg.h/varargs.h.
4866 * combine.c: Likewise.
4867 * cpperror.c: Likewise.
4868 * cpplib.c: Likewise.
4869 * cpplib.h: Likewise.
4870 * doprint.c: Likewise.
4871 * emit-rtl.c: Likewise.
4872 * final.c: Likewise.
4873 * fix-header.c: Likewise.
4875 * genattr.c: Likewise.
4876 * genattrtab.c: Likewise.
4877 * gencodes.c: Likewise.
4878 * genconfig.c: Likewise.
4879 * genemit.c: Likewise.
4880 * genextract.c: Likewise.
4881 * genflags.c: Likewise.
4882 * genopinit.c: Likewise.
4883 * genoutput.c: Likewise.
4884 * genpeep.c: Likewise.
4885 * genrecog.c: Likewise.
4886 * mips-tfile.c: Likewise.
4887 * prefix.c: Likewise.
4888 * protoize.c: Likewise.
4889 * regmove.c: Likewise.
4890 * toplev.c: Likewise.
4893 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4895 * config/sparc/sparc.c (sparc_override_options): If not
4896 TARGET_FPU, turn off TARGET_VIS.
4897 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4898 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4899 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4900 (movdi_insn_sp64): Add VIS fzero alternative.
4901 (clear_sf, clear_df): New VIS patterns.
4902 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4904 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4906 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4908 * loop.c (n_times_set, n_times_used, may_not_optimize,
4909 reg_single_usage): Convert to varrays. All uses changed.
4910 (insert_loop_mem): Return a value.
4911 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4912 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4915 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4918 * configure.in: Do not set thread_file to "irix" since no such
4921 * sparc.md (float abs/neg splits): Check reload_completed before
4922 calling alter_subreg.
4924 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4926 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4928 * config/sparc/sparc.h: Declare it.
4929 * config/sparc/sparc.md (float abs/neg splits): Use it.
4930 (all other splits): Handle SUBREGs properly where necessary.
4931 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4933 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4935 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4936 an insn on the unfilled_slots_list that has no delay slots.
4937 (fill_eager_delay_slots): Similarly.
4939 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4941 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4942 as an ordinary operand.
4944 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4946 * tree.c (valid_machine_attribute): Don't apply attributes to both
4949 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4951 * reload.c (operands_match_p): Handle rtvecs.
4953 * i386.c (legitimate_pic_address_disp_p): New.
4954 (legitimate_address_p): Use it.
4955 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4956 Handle constant pool symbols just like statics.
4957 (emit_pic_move): Use Pmode not SImode for clarity.
4958 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4959 [UNSPEC]: New, handling what we killed above.
4960 [PLUS]: Detect and abort on invalid symbol arithmetic.
4961 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4963 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4965 * alias.c: Include output.h.
4966 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4967 different if we're in a varargs function.
4968 * Makefile.in (alias.o): Depend on output.h
4970 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4972 * sh.h (GIV_SORT_CRITERION): Delete.
4974 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4976 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4977 * stupid.c (stupid_life_analysis): Ditto.
4978 * reload1.c (reload): Ditto.
4980 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4982 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4983 arith_double_4096_operand, arith_double_add_operand): New
4985 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4986 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4987 them to transform add/sub 4096 into add/sub -4096.
4989 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4991 * loop.c (scan_loop): Allocate some slop to handle pseudos
4992 generated by move_movables.
4993 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4996 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4998 * tree.def (DECL_RESULT): Correct documentation.
5000 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5002 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
5003 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
5004 conflicts will all RELOAD_FOR_OUTPUT reloads.
5006 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
5007 loads the function result, substitute with a USE.
5009 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5011 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
5012 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
5013 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
5014 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
5015 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
5016 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
5018 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
5019 'o' to 'm' for GPR variant constraints.
5021 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
5023 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
5025 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
5027 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
5028 when the source and destination overlap.
5030 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
5031 clash with global type.
5033 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
5035 * fixinc.irix: Add curses.h handling from fixinc.wrap.
5037 * c-common.c (combine_strings): Also set TREE_READONLY.
5038 Change warn_write_strings to flag_const_strings.
5039 * c-decl.c, c-tree.h: Likewise.
5041 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5043 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
5044 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
5045 sequence, use SET/IOR instead so CSE can see it.
5046 * config/sparc/sparc.md (movhi_const64_special,
5047 movsi_const64_special): New patterns necessitated by that change.
5048 (movhi_high): Remove.
5049 (movhi_lo_sum): Change to match an IOR.
5050 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
5051 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
5052 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
5053 (movdf splits): Allow when not V9 or when not ARCH64 and integer
5054 registers are involved.
5055 (snesi_zero_extend split): Remove reload_completed test.
5056 (unnamed plus and minus zero_extend sidi splits): Add it.
5058 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
5060 * extend.texi: Remove description of extension to explicit
5061 instantiation that is now endorsed by standard C++.
5063 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5065 * config/arc/arc.c (arc_initialize_pic): Remove.
5066 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
5067 nothing on any platform and is invoked by no-one, it does not even
5068 appear in the documentation.
5069 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
5070 * config/sparc/sparc.c (initialize_pic): Likewise.
5071 (find_addr_reg): Remove this as well, no longer referenced after
5074 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
5076 * recog.c (validate_replace_rtx_group): New function.
5077 * recog.h (validate_replace_rtx_group): Declare it.
5078 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
5079 the entire group of substitutions.
5081 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
5083 * loop.c (load_mems): Fix initializers.
5085 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5087 * config/sparc/sparc.md (TFmode splits): Handle destination
5088 registers being referenced in the address correctly.
5090 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
5091 TREE_UNSIGNED, when bitsize of type's mode is larger than
5092 HOST_BITS_PER_WIDE_INT.
5094 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5096 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
5097 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
5098 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
5100 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
5103 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
5105 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
5106 * h8300.h (TINY_DATA_NAME_P): Likewise.
5107 (STRIP_NAME_ENCODING): Handle '&'.
5109 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
5110 register (it could be accessed via an outer SUBREG).
5111 (REG_OK_FOR_BASE_P): Likewwise.
5112 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
5114 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
5117 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
5119 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5121 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
5122 must be offsettable so the splits can be made.
5124 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
5126 * config/i386/winnt.c: Include system.h, not stdio.h to get
5127 sys/param.h pulled in before rtl.h in case the system defines MIN
5130 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
5132 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
5134 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
5136 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
5138 * cpplib.c (cpp_define): Handle macros with parameters.
5140 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5142 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
5143 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
5144 and DImode 64-bit. Use llong for minimal-toc SFmode and
5145 SYMBOL_REF / LABEL_REF 64-bit.
5146 (output_function_profiler): Use llong for profiler label and ld to
5147 load 64-bit label address.
5149 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
5151 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
5154 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
5156 * version.c: Bump for snapshot.
5158 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
5160 * version.c: Bump for snapshot.
5162 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
5164 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
5166 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
5168 * tm.texi (Misc): Fix typo "teh".
5170 * tm.texi (PIC): Fix typo "PPIC".
5172 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
5173 effect when -O2 and higher.
5174 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
5176 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
5178 * regclass.c: Changed register set documentation to be consistent
5181 * final.c (final_start_function) Removed redundant test for
5184 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
5186 * rtl.h (rtx_function): New type.
5187 (for_each_rtx): New function.
5188 * rtlanal.c (for_each_rtx): Define it.
5190 * recog.c (change_t): New type.
5191 (change_objects, change_old_codes, change_locs, change_olds):
5193 (changes): New variable.
5194 (validate_change): Dynamically allocate room for more changes, if
5195 necessary. Uses changes array instead of change_objects, etc.
5196 (apply_change_group): Use changes array instead of
5197 change_objects, etc.
5199 * loop.c (loop_mem_info): New type.
5200 (loop_mems): New variable.
5201 (loop_mems_idx): Likewise.
5202 (looop_mems_allocated): Likewise.
5203 (scan_loop): Remove nregs parameter.
5204 (next_insn_in_loop): New function.
5205 (load_mems_and_recount_loop_regs_set): Likewise.
5206 (load_mems): Likewise.
5207 (insert_loop_mem): Likewise.
5208 (replace_loop_mem): Likewise.
5209 (replace_label): Likewise.
5210 (INSN_IN_RANGE_P): New macro.
5211 (loop_optimize): Don't pass max_reg_num() to scan_loop.
5212 (scan_loop): Remove nregs parameter, compute it after any new
5213 registers are created by load_mems. Use INSN_IN_RANGE_P and
5214 next_insn_in_loop rather than expanding them inline. Call
5215 load_mems to load memory into pseudos, if appropriate.
5216 (prescan_loop): Figure out whether or not there are jumps from the
5217 loop to targets other than the label immediately following the
5218 loop. Call insert_loop_mem to notice all the MEMs used in the
5219 loop, if it could be safe to pull MEMs into REGs for the duration
5221 (strength_reduce): Use next_insn_in_loop. Tweak comments.
5223 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
5225 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
5227 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5229 * config/sparc/sparc.c (finalize_pic): Check for the correct
5230 nonlocal_goto_receiver UNSPEC number.
5231 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
5232 making note of this dependency existing in sparc.c
5233 (negtf2_notv9 split): Give NEG SFmode.
5234 (negsf2): Fix insn output string.
5236 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
5238 * c-common.c (decl_attributes): Issue an error if the argument
5239 to alias is not a string.
5241 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
5243 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
5244 pending memory flush list.
5246 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
5248 (try_combine): Allow combining insns with REG_LIBCALL notes.
5250 * expr.c (emit_block_move): Do not call memcpy as a libcall
5251 instead build up a CALL_EXPR and call it like any other
5253 (clear_storage): Similarly for memset.
5255 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
5258 * Makefile.in (cplus-dem.o): Provide explicit rules for building
5261 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
5262 and REG_LIVE_LENGTH as successful substitutions are made.
5264 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5266 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
5267 statement after end of loop label.
5269 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5271 * config/sparc/sparc.c (ultra_types_avail): New variable.
5272 (ultra_build_types_avail): New function to record mask of insn
5273 types in ready list at this cycle.
5274 (ultrasparc_sched_reorder): Call it.
5275 (ultra_find_type): Use it to quicken the search. Also simplif
5276 dependency check, don't use rtx_equal_p because we know exactly
5277 what we are looking for.
5279 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
5281 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
5282 for architecture v4.
5284 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5286 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
5288 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
5289 movdf_const_intreg and helper splits): New patterns to move float
5290 constants into integer registers.
5291 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
5294 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
5297 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
5299 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
5301 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
5302 a BASE_REGS register is needed as an intermediate when copying
5303 a symbolic value into any register class other than BASE_REGS.
5305 * expr.c (move_by_pieces): No longer static. Remove prototype.
5306 * rtl.h (move_by_pieces): Add extern prototype.
5307 * mips.c (expand_block_move): Handle aligned straight line copy by
5308 calling move_by_pieces.
5310 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
5313 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
5315 * stmt.c (expand_end_loop): Tidy. Allow unconditional
5316 jumps out of the loop to be treated as part of the exit test.
5318 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5319 Jeff Law <law@cygnus.com>
5321 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
5322 * cplus-dem.c: Delete.
5324 * Makefile.in (fold-const.o): depend on $(RTL_H).
5326 * fold-const.c: Include rtl.h to get the prototype for
5327 `set_identifier_local_value'.
5329 * loop.c (express_from_1): Remove unused variable `tmp'.
5330 (combine_givs): cast the first argument of bzero to char *.
5332 * toplev.c (display_help): Remove unused variable `looking_for_start'.
5334 * c-decl.c (init_decl_processing): Remove unneeded &.
5336 * alpha.h (alpha_initialize_trampoline): Provide prototype.
5338 * except.c (set_exception_lang_code, set_exception_version_code):
5339 Change parameter from `short' to `int' to avoid using a gcc
5342 * except.h (set_exception_lang_code, set_exception_version_code):
5343 Likewise for prototypes.
5345 * flow.c (count_reg_references): Remove unused variables `regno'
5348 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
5350 * prefix.c (translate_name): Cast the result of `alloca'.
5352 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
5354 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5356 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
5358 (valid_dbcc_comparison_p): Mark mode argument as unused.
5359 (symbolic_operand): Likewise.
5360 (legitimize_pic_address): Likewise.
5361 (const_uint32_operand): Likewise.
5362 (const_sint32_operand): Likewise.
5363 * sched.c [!INSN_SCHEDULING]: Define only dummy function
5364 schedule_insns and comment out rest of file.
5366 * m68k.c (output_move_simode_const): Use subl to move a zero into an
5368 (output_move_[hq]imode): Likewise.
5370 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
5372 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
5373 * invoke.texi: Corresponding changes.
5375 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
5377 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
5379 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5381 * config/sparc/sparc.c (ultra_code_from_mask,
5382 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
5383 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
5384 ultrasparc_sched_init, ultrasparc_variable_issue,
5385 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
5386 functions to describe UltraSPARC pipeline exactly to Haifa.
5387 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
5388 as there is nothing the scheduler can do about it. Indicate that
5389 REG_DEP_OUTPUT's collide. Fixup formatting.
5390 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
5391 divide costs on Ultra for DImode.
5392 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
5394 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
5395 ieuN and add call_no_delay_slot to type list.
5396 (cti function unit): New unit for branches on UltraSPARC.
5397 (subx/addx insns): Set type to misc.
5398 (sidi zero/sign extension insns on arch64): Set type to shift.
5399 (sign_extendhidi2_insn): Set type to sload.
5401 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
5403 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
5404 (output_epilog): Use if != 0 for offset.
5405 (rs6000_fatal_bad_address): Prepare for Intl.
5406 * rs6000.h (rs6000_fatal_bad_address): Declare.
5407 * rs6000.md (movsfcc, movdfcc): Use else if.
5408 (elf_high): Use {liu|lis}.
5409 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
5410 (movsi): Use rs6000_fatal_bad_address.
5412 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
5414 * reload.c (find_equiv_reg): Reject equivalences separated
5415 by a volatile instruction.
5417 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5419 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
5421 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
5423 * alpha.md (movsicc): Fix mode mismatch.
5425 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5427 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5429 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5431 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5433 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5434 write-only modifier from operand 1 constraint.
5436 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5438 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5439 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5441 (sparc_emit_set_const64): Likewise, also when computing trailing
5442 bits do not negate low_bits and make fast_int an int.
5444 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5446 * loop.c (add_label_notes): Do not ignore references to labels
5447 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5448 * gcse.c (add_label_notes): Similarly.
5450 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5452 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5453 (adddi_dishl32): Similarly.
5455 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5457 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5458 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5459 * cse.c (cse_basic_block): Add parens to shut up warnings.
5461 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5463 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5464 sparc_emit_set_const64_longway, const64_is_2insns,
5465 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5466 in 64-bit constant formation.
5467 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5468 rtl for addx not subx.
5469 (define_insn movdi_const64_special): Make available even when
5470 HOST_BITS_PER_WIDE_INT is not 64.
5471 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5472 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5473 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5474 instances of operand 1 inside a QI subreg.
5475 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5476 (one_cmpldi2_sp64): Fix output string.
5477 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5479 (unnamed arch64 ashift DI): Truncate shift count if greater than
5482 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5484 * expr.c (store_expr): Don't optimize away load-store pair
5485 when either source or destination have a side effect.
5487 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5489 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5490 operands of SET are incompatible.
5492 * alpha.md: Fix max and min patterns so modes of SET operands match.
5494 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5496 * configure.in: Avoid [[ by using test and changequote.
5497 * configure: Rebuild.
5499 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5501 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5503 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5504 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5505 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5506 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5507 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5508 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5509 Fix mismatching modes in SET operands.
5510 (conditional move patterns): Fix formatting.
5511 (unnamed subx arch64 pattern): Remove duplicate insn.
5513 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5515 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5516 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5517 (input_operand): Fixup test for what we accept for constant
5519 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5521 (safe_constDI): Remove.
5522 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5523 gen_safe_XOR64): New functions.
5524 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5525 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5527 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5528 available when HOST_BITS_PER_WIDE_INT is not 64.
5529 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5530 move before movdi_insn_sp64 pattern.
5531 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5532 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5533 symbolic_operand as predicate for second operand.
5534 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5535 expander): Give set VOIDmode.
5537 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5539 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5541 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5543 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5545 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5547 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5549 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5551 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5553 * install.texi: Various SCO OpenServer tweaks.
5555 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5557 * reload1.c (eliminate_regs_in_insn): Handle another case when
5558 eliminating the frame pointer to the hard frame pointer. Add
5559 missing ep->to_rtx check to one existing case.
5561 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5563 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5565 * tree.h: De-conditionalize init_priority code.
5567 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5568 * collect2.c (NM_FLAGS): Change from -p to -n.
5570 * configure.in: Turn on collect2 for mipstx39-elf.
5571 Handle use_collect2=no properly.
5573 * c-common.c: De-conditionalize init_priority code.
5574 * collect2.c (extract_init_priority, sort_ids): New fns.
5575 (main): Call sort_ids.
5576 Move sequence_number to file scope.
5578 * configure.in: Handle --enable-init-priority.
5579 * c-common.c (attrs): Add A_INIT_PRIORITY.
5580 (init_attributes, decl_attributes): Likewise.
5581 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5582 * tree.c (get_file_function_name_long): Split out...
5583 (get_file_function_name): ...from here.
5585 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5587 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5590 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5592 * toplev.c (display_help): Add braces to shut up warnings.
5593 * tree.c (simple_cst_equal): Likewise.
5595 * fold-const.c (non_lvalue): Don't deal with null pointer
5597 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5599 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5600 of any size to a pointer.
5602 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5604 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5606 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5608 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5609 which will be saved.
5610 * mn10300.md (prologue insn): Only save registers which need saving.
5611 (epilogue insn): Similarly.
5613 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5616 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5618 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5619 VAR_DECL's in gp addressable sections.
5621 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5623 * sparc.c: Change return <exp> to <exp>; return; in functions
5625 * sparc.md: Add empty semicolon statement after final label in
5628 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5630 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5631 addx_extend_sp64, only allow when TARGET_ARCH64.
5632 (define_insn addx_extend_sp32 and split): Version that works when
5634 (define_insn subx_extend): Likewise.
5635 (define_split adddi3 and subdi3 with zero extension): Fixup and
5636 correct bugs when not TARGET_ARCH64.
5638 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5640 * except.c (set_exception_lang_code, set_exception_version_code):
5641 Use prototype-style definition if __STDC__, to match declaration
5644 * genemit.c: Change FAIL and DONE macros not to use loops.
5646 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5648 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5649 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5651 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5653 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5655 * README.g77: Update from Craig.
5657 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5659 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5661 (safe_constDI sparc_emit_set_const64_quick1,
5662 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5663 analyze_64bit_constant, const64_is_2insns,
5664 create_simple_focus_bits): Fix some bugs when compiled on real
5666 (function_arg_record_value_3, function_arg_record_value_2,
5667 function_arg_record_value): Add fully prototyped forward decls.
5668 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5669 to cmpsi_insn and use on both 64 and 32 bit targets.
5670 (define_insn cmpsi_insn_sp64): Remove.
5671 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5672 (define_insn zero_extendsidi2_insn): Rename to
5673 zero_extendsidi2_insn_sp64.
5674 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5675 assosciated forced split for it.
5677 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5679 * config/sparc/sparc.h: Declare them.
5680 (PREDICATE_CODES): Add them.
5681 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5682 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5684 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5686 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5687 in v9 case as the latter makes the Solaris assembler crash.
5689 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5691 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5692 for TFmode when !v9. We require offsettable memory addresses.
5693 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5694 DFmode register number conversions.
5695 * config/sparc/sparc.md (define_split DFmode moves): If register
5696 is a SUBREG do alter_subreg on it before using.
5697 (define_expand movtf): Fixup comment about alignment on v9.
5698 (define_split TFmode moves): Don't use gen_{high,low}part, create
5699 explicit SUBREGs instead.
5701 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5703 * Makefile.in (mbchar.o): Depend on mbchar.c.
5705 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5706 Richard Henderson <rth@cygnus.com>
5708 Rewrite Sparc backend for better code generation and
5709 improved sparc64 support.
5710 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5712 * config/sparc/sysv4.h: Likewise.
5713 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5714 move_operand, v8plus_regcmp_op, emit_move_sequence,
5715 singlemove_string, doublemove_string, mem_aligned_8,
5716 output_move_double, output_move_quad, output_fp_move_double,
5717 move_quad_direction, output_fp_move_quad, output_scc_insn):
5719 (small_int_or_double): New predicate.
5720 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5721 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5722 old pic_{sethi,lo_sum}_si patterns.
5723 (mem_min_alignment): New generic function to replace
5724 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5725 available and can test for arbitrary alignments. All callers
5727 (save_regs, restore_regs, build_big_number,
5728 output_function_prologue, output_cbranch, output_return,
5729 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5730 sparc_flat_output_function_epilogue): Prettify
5732 (output_function_epilogue): Likewise and add code to output
5733 deferred case vectors.
5734 (output_v9branch): Likewise, add new arg INSN and use it to tack
5735 on branch prediction settings. All callers changed.
5736 (print_operand): Likewise and output %l44 for LO_SUMs when
5738 (sparc_splitdi_legitimate): New function to make sure DImode
5739 splits can be run properly when !arch64.
5740 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5741 Reformat example code in comments.
5742 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5743 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5744 of deferred case vectors we need to output.
5745 (sparc_defer_case_vector): Record a case vector.
5746 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5747 sparc_output_deferred_case_vectors): New functions to output them.
5748 (sparc_emit_set_const32): New function to form 32-bit constants in
5749 registers when that requires more than one instruction.
5750 (safe_constDI, sparc_emit_set_const64_quick1,
5751 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5752 analyze_64bit_constant, const64_is_2insns,
5753 create_simple_focus_bits, sparc_emit_set_const64): New functions
5754 which do the same for 64-bit constants when arch64.
5755 (sparc_emit_set_symbolic_const64): New function to emit address
5756 loading for all code models on v9.
5757 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5758 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5759 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5760 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5761 inaccuracies in comments, add symbolic and text_segment operands
5762 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5763 GENERAL_REGS in these cases as a temp REG is needed to load these
5764 addresses into a register properly.
5765 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5767 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5768 quads are guarenteed to have 16-byte alignment.
5769 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5770 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5771 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5772 deferred case vector implementation.
5773 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5774 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5775 Generate "internal label - label" instead of "label - 1b".
5776 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5777 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5778 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5780 (doublemove_string, output_block_move, output_fp_move_double,
5781 output_fp_move_quad, output_move_double, output_move_quad,
5782 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5783 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5784 (sparc_emit_set_const32, sparc_emit_set_const64,
5785 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5786 mem_min_alignment, small_int_or_double): Add externs.
5787 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5788 UNSPEC_VOLATILE in this backend.
5789 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5790 unary to types which execute in it.
5791 (define_function_unit ieu_shift): Rename to ieu0.
5792 (define_function_unit ieu1): New, executes compare, call, and
5793 uncond_branch type insns.
5794 (define_function_units for type fdivs, fdivd, fsqrt): These
5795 execute in the fpu multiply unit not the adder on UltraSparc.
5796 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5797 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5798 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5799 allows the arith_double_operand predicate and rHI constraint when
5801 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5802 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5803 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5804 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5805 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5806 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5807 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5808 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5809 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5810 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5811 sign_extendqihi2_insn, sign_extendqisi2_insn,
5812 sign_extendqidi2_insn, sign_extendhidi2_insn,
5813 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5814 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5815 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5816 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5817 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5818 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5819 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5820 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5821 smulsi3_highpart_v8plus, unnamed subreg mult,
5822 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5823 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5824 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5825 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5826 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5827 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5828 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5829 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5830 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5831 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5832 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5833 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5834 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5835 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5836 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5837 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5838 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5839 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5840 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5841 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5842 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5843 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5844 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5845 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5846 call_address_untyped_struct_value_sp32,
5847 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5848 call_value_symbolic_sp32, call_value_address_sp64,
5849 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5850 flush_register_windows, goto_handler_and_restore,
5851 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5852 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5853 return_addsi, return_di, return_adddi, return_sf, all call+jump
5854 peepholes, trap, unnamed trap insns): Prettify output strings.
5855 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5856 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5857 Likewise and force + implement splits for integer cases.
5858 (define_insn return_sf_no_fpu): Likewise and allow to match when
5859 no-fpu because of our subreg SFmode splits.
5860 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5861 zero_extendqidi2_insn, zero_extendhidi2_insn,
5862 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5863 input_operand for second operand.
5864 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5865 reg_or_0_operand for operand 2 so new splits can use it.
5866 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5867 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5869 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5870 CONST_DOUBLEs for operand 2.
5871 (define_insn move_label_di): Likewise and label distance
5872 optimization because it no longer works with new deferred case
5873 vector scheme. To be revisited.
5874 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5875 and allow reg_or_0_operand and J constraint for second operand.
5876 (define_insn jump): Set branch predict taken on V9.
5877 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5878 new deferred case vector scheme.
5879 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5880 (define_insn negdi2_sp32): Force + implement splits.
5881 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5882 one_cmplsi2_not_liveg0 respectively, and create expander of original
5883 names which emit special rtl for TARGET_LIVE_G0.
5884 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5885 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5886 gen_compare_reg, FAIL instead.
5887 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5888 values when trying to reverse condition codes, if they FAIL then
5890 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5891 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5892 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5893 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5894 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5895 set output string to # to indicate they are mandatory splits.
5896 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5897 pic_sethi_di, move_pic_label_si): Remove.
5898 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5899 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5901 (define_expand movsi_pic_label_ref, define_insn
5902 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5903 expander and insns to handle PIC label references and deferred
5905 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5907 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5908 Rewrite to not use emit_move_sequence, make use of new constant
5909 formation code, and new splits for all multi-insn cases.
5910 (define_insn movqi_insn): Remove sethi case, it can never happen.
5911 Use reg_or_zero_operand instead of const0_rtx explicit test,
5912 use input_operand instead of move_operand for source, and use
5913 general_operand now for dest.
5914 (define_insn movhi_insn): Similar but leave sethi case.
5915 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5916 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5917 movhi_lo_sum respectively, prettify output string.
5918 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5919 register when needed on TARGET_LIVE_G0.
5920 (define_insn movsi_insn): Use general_operand and input_operand
5921 for dest and src respectively. Simplify applicability test.
5922 Prettify output strings, and add clr alternative for J
5924 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5925 deprecated std and reg-reg DI moves): Remove and...
5926 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5927 implementation which uses forced splits for all non-single insn
5929 (define_split DI move cases on !arch64): New splits to handle all
5930 situations of 64-bit double register DImode on 32bit, and
5931 unaligned registers and memory addresses for all subtargets.
5932 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5934 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5935 input_operand for dest and src respectively, prettify output
5937 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5938 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5940 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5941 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5942 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5943 movtf_no_e_insn_sp64) Replace with new
5944 implementation which uses forced splits for all non-single insn
5946 (define_split DF move cases): New splits in similar vein to DI
5948 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5949 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5950 movdi_sp64_insn): Remove old v9 code model and constant loading
5952 (define_insn pic_lo_sum_di, pic_sethi_di,
5953 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5954 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5955 embmedany_sethi, embmedany_losum, embmedany_brsum,
5956 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5957 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5958 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5959 scheme, using unspecs, secondary reloads, and one to one sparc
5960 insn to rtl insn mapping for better scheduling and code gen.
5961 (define_expand reload_indi, reload_outdi): Reload helpers for
5962 MEDANY and EMBMEDANY symbol address loading cases which require a
5964 (define_expand movsicc): Remove v8plus_regcmp cases.
5965 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5966 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5967 cmp_diqi_trunc_set): New patterns used by some of the new scc
5969 (define_insn xordi3_sp64_dbl): New pattern used for constant
5970 formation when crossing from 32-bit targets.
5971 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5973 (define_insn addx, subx): Make visible and prettify.
5974 (define_insn adddi3_insn_sp32): Likewise and force split.
5975 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5976 64bit scc split usage.
5977 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5978 zero_extend, subdi3): Force and implement splits.
5980 * final.c (final_scan_insn): Don't output labels if target
5981 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5984 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5985 don't forget to walk inside SEQUENCESs too as these are what the
5986 delay slot scheduler will create.
5988 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5990 * alpha.md (extxl+1,+2): New patterns to work around
5993 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5995 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5996 caused bad assembly code to be generated.
5998 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
6000 * netbsd.h: Fix typo.
6002 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
6004 * config.sub: Fix typo.
6006 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
6008 * invoke.texi (Environment Variables): Typo: Change "ascpects"
6010 (Running Protoize): Typo: Change "ther" into "other".
6012 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
6014 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
6015 * m68k/netbsd.h: Likewise.
6016 * ns32k/netbsd.h: Likewise.
6017 * sparc/netbsd.h: Likewise.
6019 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
6021 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
6022 * ginclude/va-clipper.h (va_list): Likewise.
6024 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
6026 * rs6000.c (rs6000_override_options): If big endian and -Os, use
6027 load/store multiple instructions unless user overrides.
6029 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
6031 * ns32k/netbsd.h: Fix typo.
6033 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
6035 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
6036 labels with .debugsym if no parallel insns.
6038 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
6040 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
6041 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
6043 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
6045 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
6046 (AR_FOR_TARGET): Define.
6048 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
6050 * dyn-string.h: New file.
6051 * dyn-string.c: Likewise.
6052 * Makefile.in (OBJS): Add dyn-string.o.
6053 (dwarf2out.o): Add dyn-string.h dependency.
6054 (dyn-string.o): List dependencies.
6055 * dwarf2out.c: Include dyn-string.h.
6056 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
6057 (addr_const_to_string): Take a dyn_string_t, not a char* as a
6058 prototype. Use dyn_string_append rather than strcat, throughout.
6059 (addr_to_string): Use dyn_string_t.
6061 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
6063 Function entry/exit profiling instrumentation:
6064 * expr.h (profile_function_entry_libfunc,
6065 profile_function_exit_libfunc): Declare new variables.
6066 * optabs.c: Define them here.
6067 (init_optabs): Initialize them.
6068 * tree.h (struct tree_decl): New flag
6069 no_instrument_function_entry_exit.
6070 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
6071 * c-decl.c (duplicate_decls): Merge it.
6072 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
6073 (init_attributes): Use it for "no_instrument_function".
6074 (decl_attributes): Handle it, for functions that have not yet been
6075 compiled. Set decl flag.
6076 * flags.h (flag_instrument_function_entry_exit): Declare new
6078 * toplev.c (flag_instrument_function_entry_exit): Define it here.
6079 (f_options): New option "instrument-functions".
6080 * function.h (struct function): New field instrument_entry_exit.
6081 * function.c (current_function_instrument_entry_exit): New
6083 (push_function_context_to, pop_function_context_from): Save and
6085 (expand_function_start): Set current_ variable, maybe emit return
6086 label and entry profile call.
6087 (expand_function_end): Maybe emit exit profile call.
6089 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
6091 * i386.md (movqi): When optimizing a load of (const_int 1) into a
6092 NON_QI_REG_P, pretend the register is SImode.
6094 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
6096 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
6097 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
6098 manufacturer id for ns32k.
6099 * configure: Regenerated.
6100 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
6101 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
6102 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
6103 * config/m68k/netbsd.h: Same.
6104 * config/ns32k/netbsd.h: Same.
6105 * config/sparc/netbsd.h: Same.
6107 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
6109 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
6110 or UNROLL_COMPLETELY loop that starts with a jump to its
6113 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
6115 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
6116 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
6117 (print_operand, case 'B'): Don't fall through.
6118 (print_operand, case 'S'): Correct mask begin/end computation.
6119 Use HOST_BITS_PER_WIDE_INT.
6120 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
6121 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
6122 * rs6000/aix41.h (CPP_PREDEFINES): Same.
6123 * rs6000/aix43.h (CPP_PREDEFINES): Same.
6125 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
6127 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
6128 constraint from second alternative.
6130 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6132 * configure.in: Fix --without/--disable cases for local-prefix,
6133 gxx-include-dir and checking.
6135 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6137 * configure.in (enable_haifa): Set by default for sparc64 too.
6140 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6142 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
6143 * i386/winnt.c (associated_type): New fn.
6144 (i386_pe_valid_type_attribute_p): New fn.
6145 (i386_pe_check_vtable_importexport): Remove.
6146 (i386_pe_dllexport_p): Use associated_type.
6147 (i386_pe_dllimport_p): Likewise.
6149 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
6150 * i386.c (i386_valid_type_attribute_p): Also accept
6151 attributes for METHOD_TYPEs.
6153 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
6155 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
6157 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
6159 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
6161 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
6162 them from generating a new base name for each occurence of
6165 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
6167 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
6169 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
6173 * cplus-dem.c (type_kind_t): New type.
6174 (demangle_template_value_parm): Add type_kind_t parameter. Rely
6175 on this paramter, rather than demangling the type again.
6176 (demangle_integral_value): Pass tk_integral.
6177 (demangle_template_: Pass the value returned from do_type.
6178 (do_type): Return a type_kind_t. Pass tk_integral to
6179 demangle_template_value_parm for array bounds.
6180 (demangle_fund_type): Likewise.
6182 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
6184 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
6187 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
6189 * pa.c (move_operand): Accept CONSTANT_P_RTX.
6191 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
6193 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
6195 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
6198 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
6200 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
6201 (DEBUGGER_ARG_OFFSET): Likewise.
6203 * mn10300.md (movsf): Remove last change. Not needed.
6205 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
6207 * c-lex.c (yylex): Fix boundary conditions in character literal and
6208 string literal loops.
6210 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
6212 * longlong.h (count_leading_zeros): Sparclite scan instruction was
6213 being invoked incorrectly.
6215 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
6216 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
6218 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
6219 * configure.in: Added i[34567]86-*-win32
6220 * config.sub: Ditto.
6221 * configure: Rebuilt.
6223 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
6225 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
6226 the frame pointer and compiling PIC code and reload has not completed.
6228 * i386.c (output_to_reg): Add code to emulate non-popping DImode
6231 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
6233 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
6235 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6237 * Makefile.in (install-info): Only try to update the info
6238 directory file if it exists in the first place.
6240 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
6242 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
6244 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
6246 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
6247 CONST_DOUBLE source.
6249 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
6251 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
6252 strings as the insertion of USER_LABEL_PREFIX.
6253 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
6255 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
6258 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
6260 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
6261 already defined type.
6263 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
6265 * expr.c (check_max_integer_computation_mode): Allow conversions
6266 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
6267 (expand_expr): Likewise.
6269 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6271 * expr.c (expand_expr): Expand RETURN_EXPR.
6273 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
6275 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
6277 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
6279 * dwarf2out.c (output_aranges): Call stripattributes
6280 for TEXT_SECTION references.
6281 (output_line_info): Likewise.
6283 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6285 * profile.c (branch_prob): Call allocate_reg_info after outputting
6286 profile rtl in instrument_arcs.
6288 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
6290 * fixinc.irix (math.h): Install wrapper instead of copying.
6292 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6294 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
6295 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
6296 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
6297 lang_flag_0. Added documentation in the flag table.
6299 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
6301 * cccp.c (do_include): Fix vax c style include handling.
6303 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6305 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
6307 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
6309 * fold-const.c (non_lvalue): Don't deal with null pointer
6311 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6313 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
6315 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
6316 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
6317 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
6318 (u_short_cint_operand): Same.
6319 (reg_or_cint_operand): Same.
6320 (logical_operand): Same.
6321 (input_operand): Same.
6322 (reg_or_short_operand): Use u_short_cint_operand.
6324 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
6326 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
6327 but keep the insns and splits. Adjust so when the ultimate destination
6328 is memory, use cvtql.
6330 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
6332 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
6334 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
6336 * gcc.c (do_spec): Call "error" not "warning".
6338 * configure.in: Fix minor problems with gas feature detection code.
6339 * configure: Rebuilt.
6341 * gcc.c (do_spec): Issue a warning for '%[]' usage.
6344 * gcc.c: Delete %[spec] support.
6345 (do_spec_1, case '('): Likewise.
6346 (do_spec_1, case '['): Call error.
6348 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
6350 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
6351 (CPP_SUBTARGET_SPEC): Default to empty string.
6352 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
6353 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
6354 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
6355 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
6357 * alpha/linux.h (CPP_PREDEFINES): Tidy.
6358 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
6359 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
6360 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
6361 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
6362 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
6363 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
6364 * alpha/vxworks.h: Likewise.
6366 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
6368 * mips.md (reload_outsi): Added missing REGNO call.
6369 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
6371 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
6372 another match_operator and compare the codes.
6374 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
6376 * MIPS multiply pattern fixes:
6377 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6378 Add union classes for HI, LO, or HILO plus general registers.
6379 (GENERATE_MADD): Deleted.
6380 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
6381 Add TARGET_MAD to condition.
6382 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
6383 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
6384 "*d" for accumulator, to give preference to LO initially but not
6387 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
6389 * configure.in (enable_c_mbchar): New configure option.
6390 (extra_cpp_objs): Always available now.
6392 * cexp.y (mbchar.h): #include it.
6393 (yylex): Handle Multibyte characters in character literals.
6395 * cccp.c (mbchar.h): #include it.
6396 (main): Set character set based on LANG environment variable.
6397 (rescan): Handle multibyte characters in comments.
6398 (skip_if_group): See above.
6399 (validate_else): See above.
6400 (skip_to_end_of_comment): See above.
6401 (macarg1): See above.
6402 (discard_comments): See above.
6403 (rescan): Handle multibyte characters in string and character literals.
6404 (collect_expansion): See above.
6405 (skip_quoted_string): See above.
6406 (macroexpand): See above.
6407 (macarg1): See above.
6408 (discard_comments): See above.
6409 (change_newlines): See above.
6411 * c-lex.c (mbchar.h): #include it.
6412 (GET_ENVIRONMENT): New macro.
6413 (init_lex): Set character set based on LANG environment variable.
6414 (yylex): Handle multibyte characters in character literals.
6415 (yylex): Handle multibyte characters in string literals.
6417 * Makefile.in (mbchar.o): New target.
6418 (cccp$(exeext)): @extra_cpp_objs@ is always available.
6419 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
6421 * mbchar.[ch]: New files for multibyte character handling.
6423 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6425 * jump.c (jump_optimize): When simplifying noop moves and
6426 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6427 the PUSHes to rewrite in second loop as we did in the first.
6429 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6431 * cplus-dem.c (demangle_nested_args): Make function definition
6432 static to match the prototype.
6434 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6436 * alloca.c: Respect USE_C_ALLOCA.
6437 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6438 * gengenrtl.c (xmalloc): Likewise.
6440 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6442 * loop.h (struct induction): Add no_const_addval.
6443 * loop.c (the_movables, reg_address_cost): New variables.
6444 (init_loop): Init reg_address_cost.
6445 (loop_optimize): Call end_alias_analysis.
6446 (scan_loop): Init the_movables.
6447 (record_giv): Init induction->no_const_addval.
6448 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6449 [REG]: Rearrange loop search test to catch more cases.
6450 (general_induction_var): Return success not benefit; take an extra
6451 argument for that. Change all callers.
6452 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6453 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6454 [default]: Search the_movables for additional combinations.
6455 (sge_plus_constant, sge_plus): New functions.
6456 (express_from_1): New function.
6457 (express_from): Always define. Rewrite using express_from_1.
6458 (combine_givs_p): Handle more cases. Ignore address cost.
6459 (cmp_combine_givs_stats): New function.
6460 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6461 (combine_givs): Rewrite to do best-fit combination.
6463 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6464 (fold): Do a complete (A*C)+(B*C) association check.
6466 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6468 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6470 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6472 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6474 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6476 * tree.c (valid_machine_attribute): Only create a new type variant if
6477 there is a decl to use it.
6479 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6481 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6484 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6486 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6489 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6491 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6492 Simplify tests for clearing an address register.
6493 (expand_prologue): Corresponding changes.
6495 * mn10300.md (movXX patterns): Make sure the destination is an
6496 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6497 (logical patterns): Split into expanders + patterns
6498 (zero and sign extension patterns): Similarly.
6499 (shift patterns): Similarly.
6501 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6503 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6504 for the sequence, recording base values.
6506 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6508 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6510 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6512 * gcc.c: Remove ANSI-C ism from --help code.
6514 * toplev.c: Support --help with USE_CPPLIB.
6516 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6518 * configure.in: Rework gas feature code to work with symlink based
6521 * extend.texi: Clarify some issues related to local variables
6522 assigned to explicit registers.
6524 * mn10300.md (mulsi): Turn into expander + pattern.
6526 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6529 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6531 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6533 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6535 * version.c: Bump again to distinguish mainline tree from the
6538 See ChangeLog.0 for earlier changes.
6541 add-log-time-format: current-time-string