1 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * loop.c (move_movables): Start of libcall might be new loop start.
5 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
9 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11 * function.c (nonlocal_goto_handler_slots): Renamed from
12 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
13 (push_function_context_to): Adjust for this change.
14 (pop_function_context_from): Likewise.
15 (init_function_start): Likewise.
16 (expand_function_end): Likewise.
17 * function.h (struct function): Likewise.
18 * calls.c (expand_call): Likewise.
19 * explow.c (allocate_dynamic_stack_space): Likewise.
20 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
21 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
23 (expand_goto): When doing a nonlocal goto, find corresponding handler
24 slot for it. Don't put the label address in the static chain register.
25 (expand_end_bindings): Break out nonlocal goto handling code into
27 (expand_nl_handler_label, expand_nl_goto_receiver,
28 expand_nl_goto_receivers): New static functions, broken out of
29 expand_end_bindings and adapted to create one handler per nonlocal
31 * function.c (delete_handlers): Delete insn if it references any of
32 the nonlocal goto handler slots.
33 * i960.md (nonlocal_goto): Comment out code that modifies
35 * sparc.md (nonlocal_goto): Likewise.
36 (goto_handler_and_restore_v9): Comment out.
37 (goto_handler_and_restore_v9_sp64): Comment out.
39 Thu Nov 19 23:44:38 1998
41 * expr.c (STACK_BYTES): Delete unused macro.
42 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
43 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
44 (expand_call): Likewise.
45 (emit_library_call): Likewise.
46 (emit_library_call_value): Likewise.
47 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
48 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
49 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
50 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
51 (allocate_dynamic_stack_space): Likewise.
52 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
53 (STACK_BOUNDARY): Update description to reflect the new situation.
55 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
57 * reorg.c (relax_delay_slots): When optimizing for code size, if a
58 return with a filled delay slot is followed by a return with an
59 unfilled delay slot, delete the first return and reemit the insn
60 that was previously in its delay slot.
62 * i860.c (single_insn_src_p): Add missing parens.
63 * ginclude/math-3300.h: Likewise.
65 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
67 * regclass.c (init_reg_sets_1): Add prototype.
68 (init_reg_modes): Likewise.
70 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
72 * c-common.c: Change warning messages to say `comparison is
73 always true' or `comparison is always false' instead of the
74 confusing `is always 0', `is always 1'.
76 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
78 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
79 break instead of return (which loses closing '>').
81 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
83 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
84 standard 387 constants.
86 * i386.md (jump): Explicitly set "memory" attribute.
87 (indirect_jump, prologue_set_stack_ptr): Likewise.
88 (prologue_get_pc_and_set_got, pop): Likewise.
89 (allocate_stack_worder, blockage, return_internal): Likewise.
90 (return_pop_internal, nop): Likewise.
91 (epilogue_set_stack_ptr, leave): Likewise.
93 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
95 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
97 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
99 * reload1.c (reload_reg_free_for_value_p):
100 Early auto_inc reloads don't conflict with outputs.
102 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
104 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
105 Instead call AC_HEADER_SYS_WAIT.
107 * collect2.c: Don't provide defaults for sys/wait.h macros.
109 * protoize.c: Likewise. Also, don't include sys/wait.h.
111 * system.h: Include sys/wait.h and provide macro defaults.
113 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
115 * Makefile.in (mandir): Set to @mandir@.
116 (man1dir): New variable to hold the former value of $(mandir).
117 Replace all uses of $(mandir) by $(man1dir).
119 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
121 * reload.c (find_reloads_address_part): If have a CONST_INT, create
122 a new one before passing it to force_const_mem.
124 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
125 find_reloads_address call.
127 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
129 * expr.c (store_expr): Don't generate load-store pair
130 if TEMP is identical (according to ==) with TARGET.
132 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
134 * reload1.c (reload_reg_free_for_value_p): When considered reload
135 has an output, matching inputs are not sufficient to avoid conflict.
137 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
139 * hash.h (hash_table_key): New type.
140 (hash_entry): Change `string' field to generic `key'.
141 (hash_table): Add `comp' and `hash' functions.
142 (hash_table_init): Take them as input.
143 (hash_table_init_n): Likewise.
144 (hash_lookup): Modify for generic keys.
145 (hash_newfunc): Likewise.
146 (hash_traverse): Likewise.
147 (string_hash): New function.
148 (string_compare): Likewise.
149 (string_copy): Likewise.
150 * hash.c (hash_table_init_n): Modify for generic keys.
151 (hash_table_init): Likewise.
152 (hash_lookup): Likewise.
153 (hash_newfunc): Likewise.
154 (hash_traverse): Likewise.
155 (string_hash): Split out from hash_lookup.
156 (string_compare): New function.
157 (string_copy): Split out from hash_lookup.
158 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
160 (symbol_hash_lookup): Likewise.
161 (file_hash_newfunc): Likewise.
162 (file_hash_lookup): Likewise.
163 (demangled_hash_newfunc): Likewise.
164 (demangled_hash_lookup): Likewise.
165 (tlink_int): Likewise.
166 (read_repo_file): Likewise.
167 (recompile_files): Likewise.
168 (demangle_new_symbols): Likewise.
169 (scan_linker_output): Likewise.
171 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
173 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
175 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
177 * rs6000.c (output_mi_thunk): Improve test for local branch.
179 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
181 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
183 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
185 * reload1.c (reload_reg_free_before_p): Delete.
186 Changed all callers to use reload_reg_free_for_value_p instead.
187 (reload_reg_free_for_value_p): Handle more reload types.
188 A RELOAD_FOR_INPUT doesn't conflict with its
189 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
190 Add special case for OUT == const0_rtx.
191 Added ignore_address_reloads argument. Changed all callers.
193 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
195 * toplev.c (compile_file): Don't pedwarn about undefined static
196 functions just because we passed -Wunused.
198 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
200 * function.c (purge_addressof_1): Unshare rtl created by
203 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
205 * regmove.c (regmove_optimize): Don't do anything but
206 optimize_reg_copy[123] when flag_regmove is not set.
208 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
210 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
211 value in paradoxical SImode result, rather than truncating midpoint.
213 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
215 * alpha.c (reg_not_elim_operand): New.
216 * alpha.h (PREDICATE_CODES): Add it.
217 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
218 for the multiplicand.
220 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
222 * rs6000.md (movsf): Remove explicit secondary-reload-like
223 functionality. Only truncate SFmode store if in FPR.
224 (movsf splitters): Combine const_double splitters.
225 (movsf_hardfloat): Add GPR support.
227 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
229 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
230 deprecate -mlive-g0 and -mbroken-saverestore.
231 * t-splet (MULTILIB_OPTIONS): Likewise.
233 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
234 in a leaf function. Clarify total_size/extra_size relationship.
236 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
238 * i386/cygwin32.asm: Delete.
239 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
240 * i386/cygwin32.h: Delete.
241 * i386/cygwin.h: New file, renamed from cygwin32.h.
242 * i386/t-cygwin32: Delete.
243 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
244 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
245 * i386/x-cygwin32: Delete.
246 * i386/x-cygwin: New file, renamed from x-cygwin32.
247 * i386/xm-cygwin32: Delete.
248 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
249 renamed cygwin_ funcs for path translations.
250 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
251 * i386/winnt.c: Remove "32" from comment about cygwin.
252 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
253 * rs6000/cygwin32.h: Delete.
254 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
255 -D__CYGWIN__ to CPP_PREDEFINES.
256 * rs6000/x-cygwin32: Delete.
257 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
258 * rs6000/xm-cygwin32: Delete.
259 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
261 * configure.in: Check for cygwin* instead of cygwin32. Account
262 for the rename of cygwin-related config files to lose the "32"s.
263 * configure: Regenerate.
265 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
266 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
268 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
270 * Makefile.in (JAVAGC): New macro.
271 * configure: Rebuilt.
272 * configure.in: Recognize --enable-java-gc argument. Subst
275 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
277 Handle equivalences that have been obscured by gcse:
279 * reload1.c (reload): Handle equivalences set up in multiple places.
280 * local-alloc.c (reg_equiv_init_insns): New variable.
281 (no_equiv): New function.
282 (update_equiv_regs): Handle equivalences set up in multiple places.
283 Don't ignore an insn just because its destination is likely to be
286 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
288 * except.c (expand_eh_return): Readd force_operand call lost in
291 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
293 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
295 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
297 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
299 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
301 * regmove.c (regmove_optimize): Fix error in last change.
303 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
305 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
306 offset in the .mask pseudo to compensate for frame pointer adjustments.
307 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
308 word swap arguments moved to/from FP registers.
309 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
311 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
313 * version.c: Bump for snapshot.
315 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
317 * version.c: Bump for snapshot.
319 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
321 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
322 times, then it can not be completely replaced.
324 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
326 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
328 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * gansidecl.h: Prepend a "G" to the macro wrapping this file
331 (to distinguish it from the macro wrapping ansidecl.h.)
332 Include libiberty's ansidecl.h. Remove all redundant definitions.
333 Define the PROTO() style macros in terms of the PARAMS() ones.
336 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
337 __STDC__, when deciding whether to use ANSI variable args.
338 (emit_library_call_value): Likewise.
340 * cccp.c (error): Likewise.
342 (error_with_line): Likewise.
343 (warning_with_line): Likewise.
345 (pedwarn_with_line): Likewise.
346 (pedwarn_with_file_and_line): Likewise.
349 * cexp.y (error): Likewise.
353 * collect2.c (fatal_perror): Likewise.
357 * combine.c (gen_rtx_combine): Likewise.
359 * cpperror.c (cpp_message): Likewise.
360 (cpp_fatal): Likewise.
362 * cpplib.c (cpp_error): Likewise.
363 (cpp_warning): Likewise.
364 (cpp_pedwarn): Likewise.
365 (cpp_error_with_line): Likewise.
366 (cpp_warning_with_line): Likewise.
367 (cpp_pedwarn_with_line): Likewise.
368 (cpp_pedwarn_with_file_and_line): Likewise.
370 * cpplib.h: Don't define PARAMS() macro.
372 * demangle.h: Likewise.
374 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
375 when deciding whether to use ANSI variable args.
377 * emit-rtl.c (gen_rtx): Likewise.
378 (gen_rtvec): Likewise.
380 * final.c (asm_fprintf): Likewise.
382 * fix-header.c (cpp_message): Likewise.
384 (cpp_fatal): Likewise.
386 * gcc.c (concat): Likewise.
390 * genattr.c (fatal): Likewise.
392 * genattrtab.c (attr_rtx): Likewise.
393 (attr_printf): Likewise.
396 * gencodes.c (fatal): Likewise.
398 * genconfig.c (fatal): Likewise.
400 * genemit.c (fatal): Likewise.
402 * genextract.c (fatal): Likewise.
404 * genflags.c (fatal): Likewise.
406 * genopinit.c (fatal): Likewise.
408 * genoutput.c (fatal): Likewise.
411 * genpeep.c (fatal): Likewise.
413 * genrecog.c (fatal): Likewise.
415 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
416 deciding whether to declare `tree_node' and `rtx_def'.
418 * hash.h: Don't define stuff we get from gansidecl.h.
420 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
421 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
422 whether to use ANSI variable args.
425 * prefix.c (concat): Likewise.
429 * system.h: Likewise.
431 * toplev.c (error_with_file_and_line): Likewise.
432 (error_with_decl): Likewise.
433 (error_for_asm): Likewise.
436 (warning_with_file_and_line): Likewise.
437 (warning_with_decl): Likewise.
438 (warning_for_asm): Likewise.
441 (pedwarn_with_decl): Likewise.
442 (pedwarn_with_file_and_line): Likewise.
444 (really_sorry): Likewise.
446 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
447 whether to declare `tree_node' and `rtx_def'.
449 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
450 deciding whether to use ANSI variable args.
451 (build_nt): Likewise.
452 (build_parse_node): Likewise.
454 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
456 * version.c: Bump for snapshot.
458 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
460 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
462 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
464 * collect2.c (main, case 'b'): Use else if.
466 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
468 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
469 Arrange to include gansidecl.h in {ht}config.h & tm.h just
470 before the config/ directory headers.
471 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
472 gansidecl.h in the list of dependencies.
474 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
475 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
476 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
477 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
478 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
479 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
482 * cccp.c: Don't include gansidecl.h.
484 * collect2.c: Likewise.
485 * config/c4x/c4x.c: Likewise.
486 * config/v850/v850.h: Likewise.
487 * cppalloc.c: Likewise.
488 * cpperror.c: Likewise.
489 * cppexp.c: Likewise.
490 * cppfiles.c: Likewise.
491 * cpphash.c: Likewise.
492 * cpplib.c: Likewise.
493 * cppmain.c: Likewise.
494 * cppulp.c: Likewise.
495 * demangle.h: Likewise.
496 * doprint.c: Likewise.
497 * dyn-string.c: Likewise.
498 * eh-common.h: Likewise.
499 * fix-header.c: Likewise.
503 * gen-protos.c: Likewise.
504 * gencheck.c: Likewise.
505 * halfpic.h: Likewise.
507 * machmode.h: Likewise.
508 * mbchar.c: Likewise.
509 * prefix.c: Likewise.
510 * protoize.c: Likewise.
513 * scan-decls.c: Likewise.
515 * varray.h: Likewise.
517 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
519 * i386.md (call_value_pop): If we're not popping anything,
521 (call_pop): Likewise defer to call.
523 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
525 * function.c (purge_addressof): Clear purge_addressof_replacements
526 only after processing the whole function.
528 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
530 * reload1.c (reload): If we can not perform a particular elimination
531 when we thought we could earlier, then we must always iterate through
532 the loop at least one more time.
534 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
536 * alpha.c (add_operand): Simplify the CONST_INT match.
537 (sext_add_operand): Correct typo in comparison by using
538 CONST_OK_FOR_LETTER_P.
539 * alpha.md (s?addq): Use sext_add_operand to allow the negative
540 constant alternatives to be generated.
541 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
542 small constants, since the hw instructions do.
544 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
546 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
547 previous insn to store directly into our reload register, make sure
548 that if the source of the previous insn is a reload register, its
549 spill_reg_store and spill_reg_stored_to values are cleared.
551 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
553 * rs6000.md (floatunssidf2_internal splitter): Use base register
554 operand, not hard-coded SP.
556 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
558 * jump.c (calculate_can_reach_end): Fix thinko.
560 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
562 * reorg.c (fill_simple_delay_slots): Fix typo.
564 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
566 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
568 * i386.md (extendsidi2): Use # in the output template.
569 (extendsidi splitters): New splitters.
571 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
573 * configure.in: Use unknown-elf.h as tm_file for arm-elf
575 * configure: Regenerate.
577 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
579 * jump.c (init_label_info, delete_barrier_successors,
580 mark_all_labels, delete_unreferenced_labels,
581 delete_noop_moves, calculate_can_reach_end): New functions broken
582 out of jump_optimize.
583 (jump_optimize): Use them.
585 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
587 * except.c (expand_fixup_region_end): Make sure outer context labels
588 are not issued in an inner context during cleanups.
590 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
592 * alpha.md (addsi3, subsi3): No new temporaries once cse is
595 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
597 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
598 to expose this midpoint to CSE.
600 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
602 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
604 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
606 * configure.in: Bring over gcc2 change of Nov 19 1997.
608 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
610 * toplev.c (output_lang_identify): Make definition dependent on
611 ASM_IDENTIFY_LANGUAGE.
613 * print-rtl.c (spaces): Make static.
615 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
617 * extend.texi: Clarify proper uses for register clobbers in asms.
619 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
621 * recog.h (enum op_type): Define.
622 (constrain_operands): Adjust prototype.
623 (recog_op_type): Declare new variable.
624 * recog.c (recog_op_type): New variable.
625 (insn_invalid_p): Allow modifying an asm statement after reload.
626 (extract_insn): Set up recog_op_type.
627 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
628 Don't compute operand types, use recog_op_type.
629 Use the information computed by extract_insn instead of the previous
630 method of finding it by insn code number.
631 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
632 * reorg.c (fill_slots_from_thread): Likewise.
633 * reload1.c (reload_as_needed): Likewise.
634 (gen_reload): Likewise.
635 (inc_for_reload): Likewise.
636 (reload_cse_simplify_operands): Likewise.
637 Use the information computed by extract_insn instead of the previous
638 method of finding it by insn code number.
639 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
641 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
642 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
643 Use the information computed by extract_insn instead of the previous
644 method of finding it by insn code number.
645 * regmove.c (find_matches): Likewise. Change meaning of the return
646 value to be nonzero if the optimization can be performed, zero if
647 not. All callers changed.
648 Shorten some variable names to fix formatting problems.
649 (regmove_optimize): Shorten some variable names to fix formatting
651 Use the information computed by extract_insn instead of the previous
652 method of finding it by insn code number.
653 * regclass.c (scan_one_insn): Likewise.
654 (record_reg_classes): Don't compute operand types, use recog_op_type.
655 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
656 recog_constraints instead.
658 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
660 * rtl.h (flow2_completed): Declare.
661 * flow.c (flow2_completed): Definition.
662 * toplev.c (rest_of_compilation): Set and clear flow2_completed
665 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
667 * Makefile.in (libcpp.a): Ranlib libcpp.a
669 * cppulp.c (user_label_prefix): Initialize.
671 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
673 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
674 at a RETURN if current_function_sp_is_unchanging is set.
676 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
678 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
680 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
682 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
683 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
684 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
685 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
686 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
687 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
689 (LIB_SPEC): Handle -mno-cyginw option.
690 (LINK_SPEC): Handle -mdll.
692 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
694 * reload.c (find_reloads): Fix test for usage by other reload
695 to handle secondary reloads properly.
697 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
699 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
700 intermediate structure which has exactly the members provided by
701 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
702 static intermediate structure.
704 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
705 from the intermediate structure. Do the same analogous fix in
706 the case where ELIMINABLE_REGS is not defined.
708 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
710 * pa.h (SELECT_SECTION): Fix thinko.
712 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
714 * dwarf2out.c (output_call_frame_info): Comments on last change.
716 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
718 * arm.c (add_constant): When taking the address of an item in the
719 pool, get the mode of the item addressed.
721 * arm.c (final_prescan_insn case INSN): If an insn doesn't
722 contain a SET or a PARALLEL, don't consider it for conditional
725 Restore ABI compatibility for NetBSD.
726 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
728 (RETURN_IN_MEMORY): Likewise.
730 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
732 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
733 (m32r_output_block_move): Rewrite bytes < 4 handling.
735 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
737 * configure.in: Call AC_FUNC_VFORK.
739 * collect2.c: Define VFORK_STRING as a printable string for
740 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
741 defined, include vfork.h. If VMS is defined, define vfork()
742 appropriately. Remove vfork check on USG, we're using autoconf.
743 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
744 checking locally what string to pass.
745 (scan_prog_file): Likewise.
746 (scan_libraries): Likewise.
748 * gcc.c: Remove vfork check on USG, we're using autoconf.
749 Besides, no calls to vfork/fork occur in this file.
751 * protoize.c: Likewise.
753 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
755 * configure.in (DEFAULT_LINKER): renamed from LD
756 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
757 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
760 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
762 * BUGS: fix the regexp for `more' to find the appropriate node.
763 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
765 * BUGS: added link to the WWW FAQ
767 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
769 * version.c: Bump for snapshot.
771 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
773 * From Christian Gafton:
774 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
775 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
776 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
778 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
780 * c-common.c (c_get_alias_set): Allow all type-punning through
781 unions. Don't get confused about the type of a bit-field, despite
782 the antics of build_modify_expr.
784 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
786 * fixinc.sco: Paramaterize #include_next values.
787 * fixinc/fixinc.sco: Likewise.
789 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
791 * toplev.c (rest_of_compilation): No longer set reload_completed.
792 * reload1.c (reload): Set it here. Perform instruction splitting
793 after reload has completed if we will be running the scheduler
796 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
798 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
799 EH region if exceptions are enabled and we're performing cross
801 (find_cross_jump): Exit loop if the insns are in different EH regions.
803 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
805 * dwarf2out.c (output_call_frame_info): Use
806 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
808 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
810 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
811 * c-common.c (check_format_info): Don't check for the 'x'
812 format character twice, instead check for 'x' and 'X'
814 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
816 * configure.in (assembler features): Also make gas is configured if
817 we find it in the souce tree.
819 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
821 * i386.c (i386_comp_type_attributes): Compare whether the
822 attributes are defined, not their tree nodes.
824 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
826 * configure.in (gxx_include_dir): bitten by autoconf quoting
830 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
832 * configure.in: Ignore non-absolute value in $AS.
834 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
836 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
838 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
840 * configure.in (msdosdjgpp): Set exeext and target_alias.
842 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
844 * flow.c (XNMALLOC): New macro.
845 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
847 (add_edge, add_edge_to_label): New static functions.
848 (free_bb_memory): New function.
849 (flow_delete_insn): Delete function.
850 (basic_block_drops_in): Delete variable.
851 (find_basic_blocks): Allocate and initialize basic_block_head,
852 basic_block_succ. Don't allocate basic_block_drops_in.
853 Call free_bb_memory at the beginning.
854 (find_basic_blocks_1): Don't do multiple passes.
855 Delete code to compute basic_block_drops_in.
856 After calling make_edges, mark blocks reached by current block live.
857 Update test for unreachable live blocks.
858 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
860 Simplify to call add_edge_to_label when a LABEL_REF is found.
861 (make_edges): Simplify to call add_edge_to_label instead of
862 mark_label_ref most of the time.
863 Compute here whether control drops into the next block.
864 (delete_unreachable_blocks): Return void. All callers changed.
865 Delete unreachable blocks in reverse order.
866 After deleting all unreachable blocks, renumber the remaining ones
867 and update n_basic_blocks.
868 (delete_block): Speed up deletion a bit.
869 Don't set basic_block_drops_in for deleted blocks.
870 (free_basic_block_vars): Don't free basic_block_drops_in.
871 (life_analysis_1): Update to use new edge representation.
872 (dump_flow_info): Delete code to print basic block info; call
873 dump_bb_data instead.
874 (compute_preds_succs): Delete code to recompute basic_block_drops_in
875 and uid_block_number.
876 Simply copy the previously computed cfg.
877 (dump_bb_data): New arg LIVE_INFO. All callers changed.
878 Print register lifetime information if LIVE_INFO is nonzero.
879 * basic-block.h (dump_bb_data): Adjust prototype.
880 * gcse.c (gcse_main): Update call to dump_bb_data.
881 * rtl.h (free_bb_memory): Declare.
882 * toplev.c (rest_of_compilation): Call free_bb_memory.
884 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
885 (update_eliminable_offsets): Don't compute it.
886 (set_initial_elim_offsets): Don't initialize it.
887 Break out some code into set_initial_label_offsets so the rest of
888 this function can be called from reload_as_needed.
889 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
890 ELIMINABLE_REGS isn't.
891 (set_initial_label_offsets): New function, broken out of
892 set_initial_elim_offsets.
893 (set_offsets_for_label): New function, broken out of set_label_offsets
894 and reload_as_needed.
895 (reload): Call the two new functions.
896 (reload_as_needed): Call set_initial_elim_offsets instead of
897 duplicating the code. Likewise for set_offsets_for_label.
899 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
900 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
901 any hard reg, reg_reloaded_dead contains valid data.
903 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
905 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
906 "stdcall" and "cdecl" attributes.
908 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
910 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
911 handle deleted no-op moves of hard registers.
912 * haifa-sched.c (update_flow_info): Likewise.
914 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
916 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
917 of the sequences to reload the HILO register which do not actually
920 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
922 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
924 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
926 * except.c (emit_eh_context): Make the EH context register stay alive
927 at -O0 so stupid.c doesn't get confused.
929 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
931 * emit-rtl.c (try_split): Do not try to split a BARRIER.
933 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
934 Jeffrey A Law (law@cygnus.com)
936 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
937 (zero_extendsidi2): Use # in output template and handle completely by
939 (zero_extend splitters): New define_splits.
940 (ashiftrt_32): New pattern.
942 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
944 * tree.c (append_random_chars): New fn.
945 (get_file_function_name_long): Use it.
947 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
949 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
950 (LIBCPP_OBJS): New. Add cppulp.o.
951 (cppmain, fix-header): Depend on and use libcpp.a.
952 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
953 of the individual object files.
954 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
957 * cccp.c (user_label_prefix): New.
958 (main): Set it off -f*leading-underscore.
959 (special_symbol): Use it.
960 * cpplib.c (special_symbol): Likewise.
961 (cpp_handle_option): Handle -f*leading-underscore.
962 * cppulp.c: New file.
964 * output.h (user_label_prefix): Declare it.
965 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
966 * toplev.c (f_options, main): Handle -f*leading-underscore.
968 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
969 referencing USER_LABEL_PREFIX directly.
970 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
971 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
972 * final.c (asm_fprintf): Use user_label_prefix instead.
973 * arm/thumb.c (thumb_print_operand): Likewise.
975 * gcc.c (default_compilers): Pass -f*leading-underscore on to
976 cpp wherever appropriate.
978 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
980 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
981 specific compiler switches.
983 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
985 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
988 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
990 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
991 structure which has exactly the members provided by EXTRA_SPECS.
992 Xmalloc() the real `extra_specs', and initialize it from this
993 intermediate structure.
995 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
997 * mips.h (EXTRA_SPECS): Likewise.
999 * sparc.h (EXTRA_SPECS): Likewise.
1001 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1003 * function.c (purge_addressof_1): Instead of aborting when a
1004 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
1005 work just put the ADDRESSOF on stack. Otherwise remember all such
1006 successfull replacements, so that exactly the same replacements
1007 can be made on the REG_NOTEs. Remove the special case for CALL
1009 (purge_addressof_replacements): New variable.
1010 (purge_addressof): Clear it at end.
1012 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1014 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
1015 (lang_init): Call check_newline always.
1016 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
1017 cpp_start_read, set yy_cur and yy_lim to read from
1018 parse_in.token_buffer, so that we'll see the first #line
1020 * cpplib.c (cpp_start_read): finclude the main input file
1021 before processing -include/-imacros. Process -imacros and
1022 -include separately, and handle -include by stacking a
1023 buffer for the file in question as if it'd been #included.
1024 * toplev.c (documented_lang_options) Recognize -H when
1027 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1029 * cpplib.c: Merge do_once into do_pragma. Break file handling
1030 code out of do_include.
1031 Move append_include_chain, deps_output,
1032 file_cleanup, redundant_include_p, import_hash,
1033 lookup_import, add_import, read_filename_string, read_name_map,
1034 open_include_file, finclude, safe_read to cppfiles.c.
1035 Move prototypes for deps_output, append_include_chain,
1036 finclude to cpplib.h. Move definition of struct
1037 file_name_list there also.
1039 * cppfiles.c: New file. Contains all the above functions
1040 broken out of cpplib.c; also hack_vms_include_specification
1041 from cccp.c and find_include_file, a new function broken out of
1044 * Makefile.in (cppmain): Depend on cppfiles.o.
1045 (fix-header): Likewise.
1046 (cppfiles.o): New target.
1047 * configure.in (--enable-c-cpplib): Add cppfiles.o to
1048 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
1050 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
1052 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
1053 if pending_types is non-zero.
1054 (dwarfout_finish): Verify pending_types is zero before finishing.
1056 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
1058 * expr.c (convert_move): Use shifts to perform the move if a
1059 suitable extend pattern cannot be found. Code written by
1060 Richard Henderson <rth@cygnus.com>.
1062 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1064 * regclass.c (renumber, regno_allocated): New static variables, moved
1065 out of allocate_reg_info.
1066 (allocate_reg_info): Move these two variables outside the function.
1067 Move code to free memory into new function free_reg_info.
1068 (free_reg_info): New function, broken out of allocate_reg_info.
1069 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
1070 * rtl.h (allocate_reg_info): Don't declare.
1071 (free_reg_info): Declare.
1073 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
1075 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
1077 * toplev.c (compile_file): Temporarily revert last change.
1079 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
1081 * c-typeck.c (convert_for_assignment): Parenthesize.
1083 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1085 * reload1.c (delete_output_reload): Avoid ambigous else.
1087 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
1089 * toplev.c (compile_file): Call allocate_reg_info to free register
1091 * rtl.h (allocate_reg_info): Declare.
1093 * PROJECTS: Remove entry for local spilling.
1095 * final.c (cleanup_subreg_operands): New function.
1096 (final_scan_insn): Use it.
1097 (alter_subreg): Clear the "used" field when we turn a SUBREG into
1099 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
1100 operands when reload has finished.
1101 * reload.h (cleanup_subreg_operands): Declare..
1102 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
1103 reload. Handled in reload itself.
1105 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1107 * reload1.c (verify_initial_offsets): New function.
1108 (reload): Call it after reload_as_needed. Also verify that the frame
1109 size stays constant during reload_as_needed.
1110 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
1112 * reload.h (struct insn_chain): Add need_operand_change element.
1113 * reload1.c (new_insn_chain): Clear it.
1114 (calculate_needs_all_insns): Set it; don't overload need_reload.
1115 (reload_as_needed): Use it.
1117 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
1118 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
1119 and reload_address_index_reg_class.
1120 (find_reloads_address_1): Likewise.
1121 * reload.h (reload_address_base_reg_class,
1122 reload_address_index_reg_class): Don't declare.
1123 * reload1.c (reg_old_renumber, pseudo_previous_regs,
1124 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
1125 (used_spill_regs): Now static.
1126 (reload_address_base_reg_class, reload_address_index_reg_class,
1127 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
1128 basic_block_needs, max_needs, group_size, group_mode, max_groups,
1129 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
1132 (init_reload): Delete code to compute base/index reg classes.
1133 (reload): Delete variable J.
1134 Delete code to manage basic_block_needs.
1135 Don't compute regs_explicitly_used.
1136 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
1137 pseudo_previous_regs.
1138 Initialize bad_spill_regs_global.
1139 Don't call order_regs_for_reload here.
1140 Don't initialize spill_reg_order and n_spills.
1141 Don't forbid explicitly used regs to be used for spill regs.
1142 Change main loop to infinite loop, with explicit break statements.
1143 Make SOMETHING_CHANGED variable local to that loop.
1144 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
1145 max_groups_insn, max_nongroups_insn, group_size, group_mode.
1146 Make sure spilled_speudos is cleared before calling spill_hard_reg or
1148 Don't call dump_needs.
1149 Delete code to reset potential_reload_regs.
1150 Delete code to terminate loop conditional on the global needs variables
1151 showing no further needs.
1152 (calculate_needs_all_insns): Return void. All callers changed.
1153 Initialize somehing_needs_elimination here, not in reload.
1154 Delete avoid_return_reg kludge.
1155 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
1156 All callers changed.
1157 Initialize the group_mode and group_size elements of the arg CHAIN.
1158 Delete code to manage basic_block_needs.
1159 Operate on elements of CHAIN instead of global variables.
1160 Delete avoid_return_reg kludge.
1161 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
1162 All callers changed.
1163 Operate on elements of CHAIN instead of global variables.
1164 Delete special SMALL_REGISTER_CLASSES code.
1165 Delete spill_failure code; now in new_spill_reg.
1166 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
1167 All callers changed.
1168 Operate on elements of CHAIN instead of global variables.
1169 (maybe_mark_pseudo_spilled): New static function.
1170 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
1171 All callers changed.
1172 Operate on elements of CHAIN instead of global variables.
1173 Call order_regs_for_reload here, not in reload.
1174 Initialize spill_reg_order and n_spills.
1175 Simplify test whether an asm insn is involved.
1176 Delete spill_failure code; now in new_spill_reg.
1177 Call maybe_mark_pseudo_spilled for everything marked as live in
1178 CHAIN. Merge CHAIN's used_spill_regs into the global variable
1180 (dump_needs): Take CHAIN arg. No longer static, to prevent the
1181 compiler from optimizing this function (now unused) away.
1182 Operate on elements of CHAIN instead of global variables.
1183 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
1185 Operate on elements of CHAIN instead of global variables.
1186 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
1187 take CHAIN arg. All callers changed.
1188 Operate on elements of CHAIN instead of global variables.
1189 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
1190 CHAIN, NONGROUP args. Return void. All callers changed.
1191 Verify caller isn't trying to spill a pseudo.
1192 Simplify test for illegal reg, just use bad_spill_regs.
1193 Generate better error messages.
1194 Operate on elements of CHAIN instead of global variables.
1195 Mark spilled register in CHAIN's used_spill_regs element.
1196 Don't call spill_hard_reg.
1197 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
1198 Mark spilled hard regs in bad_spill_regs_global.
1199 Mark affected pseudos in spilled_pseudos, but don't spill them.
1200 (ior_hard_reg_set): New static function.
1201 (finish_spills): Return int. All callers changed.
1202 Compute spill_reg_order, n_spills and spill_regs here. Also update
1203 regs_ever_live for regs used as spills.
1204 For every pseudo in spilled_pseudos, spill it and mark the previous
1205 hard reg it had in pseudo_previous_regs. Compute which hard regs
1206 arseudo): New static function.
1207 (order_regs_for_reload): Take CHAIN arg. All callers changed.
1208 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
1209 hard registers explicitly used across the current insn into the set.
1210 Compute hard_reg_n_uses taking only pseudos live across this insn
1212 Tweak sorting of potential_reload_regs.
1213 (compare_spill_regs): Delete function.
1214 (reload_as_needed): Don't sort the spill_regs array, it's computed
1215 in proper order in finish_spills.
1216 Delete avoid_return_reg kludge.
1217 Delete code to manage basic_block_needs.
1218 (allocate_reload_reg): Minor speed/readability tweaks.
1219 Operate on elements of CHAIN instead of global variables.
1220 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
1221 Delete avoid_return_reg kludge.
1222 Initialize reload_reg_used from CHAIN's used_spill_regs element.
1223 Delete unused label FAIL.
1224 (reload_combine): Replce reload_address_index_reg_class with
1226 Don't use used_spill_regs to determine information about lifetime of
1229 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
1231 * toplev.c (display_help): Ignore empty target specific
1232 options, and if -W is also specified on the command line then
1233 display undocumented options.
1235 * config/arm/arm.c: Updated with changes in devo sources.
1236 * config/arm/arm.h: Updated with changes in devo sources.
1237 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
1238 * config/arm/lib1thumb.asm: Add ELF support.
1240 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1242 * collect2.c (aix64_flag): New variable.
1243 (main, case 'b'): Parse it.
1244 (GCC_CHECK_HDR): object magic number must match mode.
1245 (scan_prog_file): Only check for shared object if valid header.
1246 Print debugging if header/mode mismatch.
1248 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
1250 Added support for arm-elf-linux configuration, submitted by Philip
1251 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
1252 code developed by Catherine Moore <clm@cygnus.com>. The following
1255 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
1258 * configure: Regenerated.
1260 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
1261 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
1262 definitions conditional on their not having been already defined.
1264 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
1265 and .type directives, and add "(PLT)" qualification to function
1268 * config/arm/linux.h: Deleted. This file is now superceeded by
1269 either linux-elf.h or linux-aout.h.
1271 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
1272 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
1274 Move definitions from old linux.h file here.
1276 * config/arm/elf.h: New file. Generic ARM/ELF support.
1278 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
1280 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
1282 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
1283 using the 26bit APCS.
1285 * config/arm/unknown-elf.h: New file. Support for OS'es other
1286 than Linux with ELF.
1288 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
1291 * config/arm/coff.h: Include aout.h for basic assembler macros.
1292 Add support for -mstructure_size_boundary=<n> command line option.
1294 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
1295 command line option. Make macro definitions conditional on their
1296 not having been already defined.
1298 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
1299 command line option.
1302 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
1304 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
1305 has been changed to not include a newline. Use this macro instead.
1306 (output_enumeral_list, const_value_attribute, name_attribute,
1307 comp_dir_attribute, prototyped_attribute, producer_attribute,
1308 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
1309 dwarfout_file_scope_decl, generate_new_sfname_entry,
1310 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
1311 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
1313 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
1315 * combine.c (subst): Process the inputs to a parallel asm_operands
1318 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
1320 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
1322 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
1324 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
1326 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
1328 * version.c: Bump for snapshot.
1330 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1332 * stmt.c (expand_fixup): Set fixup->before_jump to a
1333 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
1335 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1337 * Makefile.in (recog.o): Depend on toplev.h.
1338 (insn-emit.o): Depend on recog.h.
1339 (insn-peep.o): Depend on recog.h and insn-config.h.
1341 * combine.c (simplify_set): Remove unused variable `scratches'.
1343 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
1344 and `idx' in macro conditional controlling their use.
1346 * genemit.c (main): Make the generated output file include
1347 recog.h. Don't have it declare `insn_operand_constraint', since
1348 we get it from recog.h.
1350 * genpeep.c (main): Make the generated output file include
1351 insn-config.h and recog.h.
1353 * recog.c: Include toplev.h.
1354 (extract_insn): Remove unused variable `p'.
1356 * regclass.c (fix_register): Add missing braces around initializer
1358 (allocate_reg_info): Move variable `i' into the scope where it is
1359 used. Change its type to `size_t'.
1361 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1363 * reload.c (push_reload): When merging reloads, make sure
1364 that reload_in_reg and reload_in are from the same reload in
1367 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
1369 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
1370 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1372 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
1374 * loop.c (loop_has_tablejump): New variable.
1375 (prescan_loop): Scan for it.
1376 (insert_bct): Replace explicit scan with use of it.
1377 * regclass.c (regclass): Restore loop variable j.
1378 (record_reg_classes): Deterine op_types modifiers and initialize
1379 classes[i] before matching constraints. Handle matching
1382 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
1384 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
1387 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1389 * mips.h (EXTRA_SPECS): Add missing initializers.
1391 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1393 * sparc.h (EXTRA_SPECS): Add missing initializers.
1394 (sparc_defer_case_vector): Provide a prototype.
1396 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
1397 comparing it to the result of a pointer subtraction.
1399 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1401 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
1402 the argument to (unsigned char).
1404 * alpha.h (EXTRA_SPECS): Add missing initializers.
1405 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
1408 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
1410 * flow.c (life_analysis_1): Enable "rescan" code after reload.
1411 (propagate_block): Delete dead code after reload.
1413 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
1414 back Oct 15, 1998 change.
1415 * haifa-sched.c (update_flow_info): Likewise.
1416 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
1418 * mn10200.md (truncated shift): Accept constant inputs too.
1420 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
1422 * machmode.h (mode_mask_array): No longer const.
1423 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
1425 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1427 * frame.c: Somewhat explain `FDE'.
1428 Suggested by Brendan Kehoe
1430 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1432 * expr.c (pending_chain): Move up.
1433 (save_expr_status): Do save pending_chain.
1434 (restore_expr_status): And restore it.
1435 * function.h (struct function): Add pending_chain.
1437 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1439 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
1440 did not match the code.
1442 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1444 * regclass.c (regclass): Break out some code into new function
1445 scan_one_insn, and into regclass_init.
1446 (init_cost): New static variable, moved out of regclass.
1447 (regclass_init): Initialize it here, not in .
1448 (scan_one_insn): New static function, broken out of regclass.
1449 * recog.c (apply_change_group): Break out some code into new
1450 function insn_invalid_p.
1451 (insn_invalid_p): New static fn, broken out of apply_change_group.
1453 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
1455 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
1456 reg_reloaded_contents matches incremented pseudo.
1458 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
1460 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1462 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
1463 addressing modes with side effects. These are currently
1464 placeholders for the C4x target.
1466 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1468 * loop.c (express_from): Make sure that when generating a PLUS of
1469 a PLUS, any constant expression appears on the outermost PLUS.
1471 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
1473 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
1474 works if "$(srcdir)" != ".".
1476 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
1478 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
1479 existing SUBREG if we can, otherwise abort.
1481 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
1483 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
1484 `restrict' is applied to a non-pointer variable.
1486 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
1488 * invoke.texi: Document -flang-isoc9x.
1490 * Makefile.in (OBJS): Add splay-tree.o.
1491 (c-common.o): Depend on rtl.h.
1492 (splay-tree.o): List dependencies and provide build rule.
1494 * rtl.h (record_alias_subset): New function.
1495 * alias.c: Include splay-tree.h.
1496 (alias_set_entry): New type.
1497 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
1498 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
1499 (mems_in_disjoin_alias_sets_p): New function.
1500 (alias_set_compare): Likewise.
1501 (insert_subset_children): Likewise.
1502 (get_alias_set_entry): Likewise.
1504 * tree.h (TYPE_RESTRICT): New macro.
1505 (TYPE_UNQUALIFIED): New manifest constant.
1506 (TYPE_QUAL_CONST): Likewise
1507 (TYPE_QUAL_VOLATILE): Likewise.
1508 (TYPE_QUAL_RESTRICT): Likewise.
1509 (tree_type): Add restrict_flag. Reduce count of free bits.
1510 (DECL_POINTER_ALIAS_SET): New macro.
1511 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1512 (tree_decl): Add pointer_alias_set.
1513 (build_qualified_type): New function.
1514 (build_type_variant): Define in terms of build_qualified_type.
1515 * tree.c (set_type_quals): New function.
1516 (make_node): Initializae DECL_POINTER_ALIAS_SET.
1517 (build_type_attribute_variant): Use build_qualified_type and
1519 (build_type_variant): Rename, and modify, to become...
1520 (build_qualified_type): New function.
1521 (build_complex_type): Use set_type_quals.
1523 * c-tree.h (C_TYPE_OBJECT_P): New macro.
1524 (C_TYPE_FUNCTION_P): Likewise.
1525 (C_TYPE_INCOMPLETE_P): Likewise.
1526 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1527 (c_apply_type_quals_to_decl): New function.
1528 (c_build_qualified_type): New function.
1529 (c_build_type_variant): Define in terms of c_build_qualified_type.
1530 (flag_isoc9x): Declare.
1531 * c-typeck.c (qualify_type): Use c_build_qualified_type.
1532 (common_type): Change to use TYPE_QUALS.
1533 (comptypes): Likewise.
1534 (convert_for_assignment): Likewise.
1535 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
1536 * c-decl.c (flag_isoc9x): Define.
1537 (c_decode_option): Handle -flang-isoc9x.
1538 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
1539 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
1540 * c-lex.c (init_lex): Deal with restrict.
1541 (init_lex): Don't treat restrict as a reserved word in
1542 -traditional mode, or without -flang-isoc9x.
1543 * c-lex.h (rid): Add RID_RESTRICT.
1544 * c-parse.gperf (restrict, __restrict, __restrict__): Make
1545 equivalent to RID_RESTRICT.
1546 * c-parse.in (TYPE_QUAL): Update comment.
1547 * c-common.c: Include rtl.h.
1548 (c_find_base_decl): New function.
1549 (c_build_type_variant): Rename, and modify, to become ...
1550 (c_build_qualified_type): New function.
1551 (c_apply_type_quals_to_decl): Likewise.
1552 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1553 a particular alias set for the reference.
1554 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1556 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1558 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1559 command line switches.
1561 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1563 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1566 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1568 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1570 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1572 * regclass.c (fix_register): Add error message.
1573 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1576 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1578 * c-decl.c (warn_missing_noreturn): New global variable.
1579 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1580 (finish_function): Implement missing noreturn warning.
1582 * c-tree.h (warn_missing_noreturn): Declare extern.
1584 * invoke.texi: Document new flags.
1586 * toplev.c (documented_lang_options): Add description.
1588 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1590 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1591 loop optimization stable for the C4x.
1592 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1593 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1594 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1596 (c4x_address_conflict): Be more paranoid when packing a volatile
1597 memref in a parallel load/store.
1599 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1601 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1602 repeat_block_filler): Deleted.
1603 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1604 Condition code not set if destination register from 'c' class.
1605 (*subbqi3_carry_clobber): Fix typo.
1607 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1609 * reorg.c (steal_delay_list_from_target) Check for insns that
1610 modify the condition codes and effect the direction of the jump
1613 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1615 * function.c (purge_addressof_1): Replace call to
1616 emit_insns_before() with emit_insn_before().
1618 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1620 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1622 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1624 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1626 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1628 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1629 clobbered across calls.
1631 * loop.c (scan_loop): Be more selective about what invariants are
1632 moved out of a loop.
1634 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1636 * version.c: Bump for snapshot.
1638 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1640 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1641 static eh_context structure.
1643 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1645 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1647 (try_combine): Don't update max_scratch.
1648 * flow.c (max_scratch, num_scratch): Delete variables.
1649 (life_analysis_1): Don't initialize max_scratch.
1650 (propagate_block): Don't update max_scratch.
1651 (mark_set_1): Don't increment num_scratch.
1652 * regs.h (max_scratch): Delete declaration.
1654 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1656 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1657 is nonzero. This is temporary!
1659 * sched.c (update_flow_info): Handle death notes made invalid by
1660 instruction splitting. Partially reverts Oct 15, 1998 patch.
1661 * haifa-sched.c (update_flow_info): Likewise.
1663 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1665 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1666 if it has a nonzero DECL_INITIAL.
1668 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1670 * Makefile.in (flow.o): Depend on recog.h.
1672 * cpplib.h (directive_table): Add missing initializiers.
1673 (finclude): Change type of variable `bsize' to size_t.
1675 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1677 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1679 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1680 `int' when comparing against one.
1681 (cpp_file_line_for_message): Mark parameter `pfile' with
1683 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1685 * flow.c: Include recog.h.
1686 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1688 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1689 `f' with ATTRIBUTE_UNUSED.
1690 (reposition_prologue_and_epilogue_notes): Likewise.
1692 * genopinit.c (gen_insn): Cast argument of ctype functions to
1695 * haifa-sched.c: Include recog.h.
1696 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1697 comparing against one.
1699 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1701 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1703 (parse_ent): Likewise.
1704 (parse_input): Likewise.
1706 * optabs.c (init_libfuncs): Likewise.
1708 * protoize.c (find_rightmost_formals_list): Likewise.
1710 * recog.h (const_double_operand): Fix typo in prototype.
1712 * tlink.c (scan_linker_output): Cast the argument of ctype
1713 function to `unsigned char'.
1715 * toplev.c (check_lang_option): Cast the result of `strlen' to
1716 `int' when comparing against one.
1718 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1720 * gcse.c (dump_cuid_table): Correct typo.
1722 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1724 * toplev.c (display_help): Prepend '-m' to target specific
1726 (check_lang_option): Ignore text after end of first word of a
1727 language specific option.
1729 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1731 * reload1.c (reg_used_by_pseudo): New static variable.
1732 (choose_reload_regs): Initialize it.
1733 Use it instead of testing spill_reg_order to determine whether a
1734 pseudo is live in a hard register across the current insn.
1735 Fix a typo in a reference to reload_reg_rtx.
1737 * flow.c (propagate_block): Replace code that computes and uses
1738 regs_sometimes_live with simpler code that just walks the set of
1739 currently live registers.
1741 * Makefile.in (insn-extract.o): Fix dependencies.
1742 * genextract.c (main): Generate includes for insn-config.h and
1744 Delete generation of declarations which are now in recog.h.
1745 * genrecog.c (main): Delete generation of definitions which are
1747 * local-alloc.c (block_alloc): Use extract_insn and the variables
1748 it sets up instead of looking up values by insn_code.
1749 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1750 recog_dup_num): Define here instead of generating the definition in
1752 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1753 recog_operand_mode, recog_constraints, recog_operand_address_p):
1755 (extract_insn): New function.
1756 * recog.h (extract_insn): Declare function.
1757 (which_alternative, recog_n_operands, recog_n_dups,
1758 recog_n_alternatives, recog_operand_mode, recog_constraints,
1759 recog_operand_address_p): Declare variables.
1760 * regclass.c (n_occurrences): New static function.
1761 * reload.c (n_occurrences): Delete function.
1762 (find_reloads): Use extract_insn.
1763 * reload.h (n_occurrences): Delete declaration.
1765 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1767 * reload1.c (reload_as_needed): Fix test for when to call
1768 update_eliminable_offsets.
1770 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1772 Fix consistency problems with reg_equiv_{mem,address};
1773 Improve reload inheritance;
1775 * reload.c (reload_out_reg): New variable.
1776 (loc_mentioned_in_p, remove_address_replacements): New functions.
1777 (remove_replacements): Deleted.
1778 (push_reload): Set reload_out_reg[i].
1779 When merging, also set reload_{in,out}_reg[i], and remove
1780 duplicate address reloads.
1781 (combine_reloads): Copy reload_out_reg[i].
1782 (find_reloads): Do make_memloc substitution also when
1783 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1785 Include *recog_operand_loc in commutativity operand changes.
1786 Generate optional output reloads.
1787 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1788 processing operands. Call make_memloc in reg_equiv_address code.
1789 Set *recog_operand_loc only after processing operands, and only
1790 if replace is true. Return a value.
1791 When changing address reload types for operands that didn't get
1792 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1793 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1794 Don't emit USEs for pseudo SUBREGs when not replacing.
1795 (find_reloads_address): Do make_memloc substitution also when
1796 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1798 (find_reloads_toplev): Likewise.
1799 Call make_memloc in reg_equiv_address code.
1800 (debug_reload_to_stream): Add code to output reload_out_reg.
1801 (make_memloc): Delete local variable i, ifdefed out code, and
1802 references to memlocs and n_memlocs.
1803 (memlocs, n_memlocs): Delete.
1804 (push_secondary_reload): Clear reload_out_reg.
1805 (find_reloads_address_1): Provide memrefloc argument to all calls
1806 to find_reloads_address.
1807 In AUTO_INC code, handle non-directly addressable equivalences properly.
1808 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1809 (find_reloads): Add return type.
1810 (remove_address_replacements, deallocate_reload_reg): Declare.
1811 * reload1.c (num_not_at_initial_offset): No longer static.
1812 (delete_address_reloads, delete_address_reloads_1): Likewise.
1813 (deallocate_reload_reg): New function.
1814 (spill_reg_stored_to): New array.
1815 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1816 (eliminate_regs_in_insn): Move assignments of previous_offset and
1817 max_offset fields, and recalculation of num_not_at_initial_offset
1818 into new static function:
1819 (update_eliminable_offsets) .
1820 (reload_as_needed): Call update_eliminable_offsetss after calling
1822 Call forget_old_reloads_1 with contents of reloaded auto_inc
1823 expressions if the actual addressing can't be changed to match the
1825 (choose_reload_regs): For inheritance, replace
1826 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1827 remove stand-alone reload_reg_used_at_all test.
1828 Use reload_out_reg to determine which reload regs have output reloads.
1829 Treat reload_override_in more similar to inherited reloads.
1830 Handle (subreg (reg... for inheritance.
1831 For flag_expensive_optimizations, add an extra pass to remove
1832 unnecessary reloads from known working inheritance.
1833 Delete obsolete code for pseudos replaced with MEMs.
1834 Handle inheritance from auto_inc expressions.
1835 (emit_reload_insns): If reload_in is a MEM, set OLD to
1837 Don't reload directly from oldequiv; if it's a pseudo with a
1838 stack slot, use reload_in[j].
1839 Check that reload_in_reg[j] is a MEM before replacing reload_in
1840 from reg_reloaded_contents.
1841 Include non-spill registers in reload inheritance processing.
1842 Also try to use reload_out_reg to set spill_reg_store /
1843 reg_last_reload_reg.
1844 In code to set new_spill_reg_store, use single_set to find out if
1845 there is a single set.
1846 Add code that allows to delete optional output reloads.
1847 Add code to allow deletion of output reloads that use no spill reg.
1848 At the end, set reload_override_in to oldequiv.
1849 Also call delete_output_reload if reload_out_reg is equal to old
1851 Add code to call delete_output_reload for stores with no matching load.
1852 Set / use spill_reg_stored_to.
1853 Handle case where secondary output reload uses a temporary, but
1854 actual store isn't found.
1855 When looking for a store of a value not loaded in order to call
1856 delete_output_reload, count_occurences should return 0 for no
1857 loads; but discount inherited input reloadill_reg_stored_to.
1858 Do checks for extra uses of REG. Changed all
1860 Use delete_address_reloads.
1861 (reload): Take return value of find_reloads into account.
1862 If a no-op set needs more than one reload, delete it.
1863 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1864 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1865 for the same operand.
1866 (clear_reload_reg_in_use): Check for other reloads that keep a
1868 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1869 RELOAD_FOR_OPADDR_ADDR.
1870 Take into account when an address address reload is only needed
1871 for the address reload we are considering.
1872 (count_occurrences): Use rtx_equal_p for MEMs.
1873 (inc_for_reload): Return instruction that stores into RELOADREG.
1874 New argument two, IN, and rtx. Changed all callers.
1875 (calculate_needs_all_insns, reload_as_needed):
1876 Don't clear after_call for a CLOBBER.
1877 Keep track of how many hard registers need to be copied from
1878 after_call, and don't clear after_call before we have seen
1879 that much copies, or we see a different instruction.
1881 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1883 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1884 after reload has completed.
1886 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1888 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1889 a macro name and the next token with a single blank if that whitespace
1890 is in a macro buffer and the next token is not '('.
1892 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1894 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1896 (skip_if_group): Ditto.
1897 (skip_to_end_of_comment): Ditto.
1899 (discard_comments): Ditto.
1900 (change_newlines): Ditto.
1902 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1904 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1906 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1908 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1909 (TARGET_OPTIONS): Add --help documentation.
1911 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1913 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1915 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1917 * fixinc/* Moved in from ../contrib directory in preparation
1918 for integrating it into the normal build process. In particular,
1919 fixinc/Makefile.in must be config-ed into the build directory
1920 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1921 ./configure.in will be "in the mail" momentarily.
1923 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1925 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1926 accidently walk into the free list. Comment how that can happen.
1927 (invalidate): Fix indentation.
1929 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1930 Jeffrey A Law (law@cygnus.com)
1932 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1933 reload. Never perform rescans of the insn chain after reload.
1934 (propagate_block): Do not delete insn or create new autoinc addressing
1937 * jump.c (jump_optimize): Unconditionally use the code that was
1938 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1939 * reload1.c (reload): When reloading is finished, delete all
1940 REG_DEAD and REG_UNUSED notes.
1941 (emit_reload_insns): Delete all code that was conditional on
1942 PRESERVE_DEATH_INFO_REGNO_P.
1943 (no_longer_dead_regs): Delete variable.
1944 (reload_cse_delete_death_notes): Delete function.
1945 (reload_cse_no_longer_dead): Delete function.
1946 (reload_cse_regs_1): Delete all code to handle deletion of death
1948 (reload_cse_noop_set_p): Likewise.
1949 (reload_cse_simplify_set): Likewise.
1950 (reload_cse_simplify_operands): Likewise.
1951 (reload_cse_move2add): Likewise.
1952 * reorg.c (used_spill_regs): Delete declaration.
1953 (max_label_num_after_reload): Delete declaration.
1954 (find_dead_or_set_registers): Don't assume that spill regs are
1955 dead at a CODE_LABEL.
1956 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1958 * sched.c (sched_analyze_insn): Likewise.
1959 (update_flow_info): Likewise.
1960 * haifa-sched.c (sched_analyze_insn): Likewise.
1961 (update_flow_info): Likewise.
1962 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1963 * toplev.c (max_label_num_after_reload): Delete variable.
1964 (rest_of_compilation): Don't set max_label_num_after_reload.
1965 Call life_analysis after reload_cse_regs if optimizing.
1966 * config/gmicro/gmicro.h: Delete comment referring to
1967 PRESERVE_DEATH_INFO_REGNO_P.
1968 * config/i386/i386.h: Likewise.
1969 * config/m88k/m88k.h: Likewise.
1970 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1971 * config/sh/sh.h: Likewise.
1973 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1975 * loop.c (strength_reduce): Restore marking bct_p as
1977 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1978 HAVE_decrement_and_branch_on_count.
1979 (small_data_operand): Remove TARGET_ELF condition for marking
1980 parameters ATTRIBUTE_UNUSED.
1982 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1984 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1985 (SELECT_SECTION): Resync with svr4.h.
1987 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1989 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1992 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1994 * c-pragma.c (handle_pragma_token): Test for null tree before
1995 dereferencing TREE_CODE.
1997 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1999 * config/c4x/c4x.c: Convert to use GEN_INT.
2000 (c4x_parallel_process): Rework to handle new repeat loop structure.
2002 * config/c4x/c4x.md: Convert to use GEN_INT.
2003 (rptb_end): Convert to use GE test. Replace uses with clobbers.
2004 (decrement_and_branch_on_count): Likewise.
2006 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
2007 loop.c has the desired functionality.
2008 (rc_reg_operand): New prototype.
2010 * config/c4x/t-c4x: Can now build all front ends.
2012 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
2014 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
2016 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
2018 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
2019 * config/t-rtems: Do not install assert.h -- use newlib's.
2021 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2023 * combine.c (combine_instructions): When finished, call init_recog.
2024 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
2026 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
2028 * toplev.c: If flag_syntax_only, don't open or write assembler file.
2030 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * cppalloc.c (memory_full): Mark function prototype with
2035 * demangle.h (collect_exit): Likewise.
2037 * fix-header.c (v_fatal, fatal): Likewise.
2039 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
2042 * gcov.c (print_usage): Likewise.
2044 * genattr.c (fatal, fancy_abort): Likewise.
2046 * genattrtab.c (fatal, fancy_abort): Likewise.
2048 * gencodes.c (fatal, fancy_abort): Likewise.
2050 * genconfig.c (fatal, fancy_abort): Likewise.
2052 * genemit.c (fatal, fancy_abort): Likewise.
2054 * genextract.c (fatal, fancy_abort): Likewise.
2056 * genflags.c (fatal, fancy_abort): Likewise.
2058 * genopinit.c (fatal, fancy_abort): Likewise.
2060 * genoutput.c (fatal, fancy_abort): Likewise.
2062 * genpeep.c (fatal, fancy_abort): Likewise.
2064 * genrecog.c (fatal, fancy_abort): Likewise.
2066 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
2067 __sjpopnthrow, __throw): Likewise.
2069 * objc/objc-act.c (objc_fatal): Likewise.
2071 * protoize.c (usage, aux_info_corrupted,
2072 declare_source_confusing): Likewise.
2074 * rtl.c (dump_and_abort): Likewise.
2076 * rtl.h (sets_cc0_p): Likewise.
2078 * toplev.c (float_signal, pipe_closed): Likewise.
2080 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2082 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
2083 when generating the decision tree for the general case.
2085 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
2086 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
2088 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2090 * Makefile.in (sched.o): Depend on recog.h.
2092 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
2093 (unsigned) when comparing against one.
2094 (find_base_value): Likewise.
2095 (record_base_value): Cast variable `regno' to (unsigned) when
2096 comparing against one. Cast the result of REGNO() macro to
2097 (unsigned) when comparing against one.
2098 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
2100 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
2101 variable where an unsigned index is needed.
2103 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
2104 before comparing against one.
2106 * collect2.c: Add prototypes for functions `error', `fatal' and
2107 `fatal_perror'. Make these functions take variable arguments
2108 instead of faking it with a fixed number of args.
2109 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
2112 * combine.c (can_combine_p): Mark parameter `pred' with
2114 (find_split_point): Cast variable `src' to (unsigned
2115 HOST_WIDE_INT) when comparing against one.
2116 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
2117 (simplify_logical): Likewise.
2118 (force_to_mode): Cast result of INTVAL() macro to (unsigned
2119 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
2120 HOST_WIDE_INT) in shift.
2121 (simplify_and_const_int): Cast result of INTVAL() macro to
2122 `unsigned HOST_WIDE_INT' when comparing against one.
2123 (merge_outer_ops): Cast variable const0 to `unsigned
2124 HOST_WIDE_INT' when comparing against the result of
2125 GET_MODE_MASK() macro.
2126 (simplify_comparison): Likewise for variable `c0'. Cast variable
2127 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
2128 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
2129 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
2130 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
2131 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
2132 comparing against one.
2133 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
2135 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
2136 macro to `unsigned HOST_WIDE_INT' when comparing against one.
2137 (output_block_move): Cast `sizeof' expression to (int) when
2138 comparing against one.
2139 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
2141 (save_restore_insns): Cast `base_offset' to `long' to match format
2142 specifier in fprintf.
2144 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
2145 to `enum machine_mode'.
2147 * flow.c (life_analysis_1): Remove unused variable `insn'.
2149 * gcc.c (translate_options): Move variables `j' and `k' into the
2150 scope in which they are used. Change their types to `size_t'.
2151 (set_spec): Cast the argument of ctype macro to `unsigned char'.
2152 (read_specs): Likewise.
2153 (process_command): Cast `sizeof' to (int) when comparing against one.
2154 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
2155 (handle_braces): Cast both sides of `==' expression to `long' to
2156 ensure sign matching.
2157 (main): Cast variable `i' to `int' when comparing against one.
2159 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
2160 int to size_t. Cast variable `i' to size_t when comparing against
2163 * genattrtab.c (convert_set_attr_alternative): Remove unused
2164 parameter `insn_code'. All callers changed.
2165 (convert_set_attr): Likewise.
2167 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
2168 size_t when comparing against one. Likewise for variable `len'.
2170 * global.c (global_alloc): Cast variable `max_regno' to size_t
2171 when comparing against one. Likewise for variable `max_allocno'.
2173 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
2175 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
2176 `set' with ATTRIBUTE_UNUSED.
2177 (find_free_reg): Cast `sizeof' expression to (int) when comparing
2180 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
2181 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
2182 (get_condition): Cast variable `const_val' to `unsigned
2183 HOST_WIDE_INT' when comparing against one. Cast unsigned
2184 expression to HOST_WIDE_INT when comparing against one.
2185 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
2186 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
2187 `unsigned' when comparing against one.
2189 * protoize.c (is_id_char): Change type of parameter `ch' to
2191 (munge_compile_params): Cast argument of ctype macro to (const
2193 (process_aux_info_file): Cast variable `aux_info_size' to int when
2194 comparing against one.
2195 (forward_to_next_token_char): Cast argument of ctype macro to
2196 `const unsigned char'.
2197 (edit_formals_lists): Likewise.
2198 (find_rightmost_formals_list): Likewise.
2199 (add_local_decl): Likewise.
2200 (add_global_decls): Likewise.
2201 (edit_fn_definition): Likewise.
2202 (do_cleaning): Likewise.
2203 (scan_for_missed_items): Likewise.
2204 (edit_file): Cast variable `orig_size' to (int) when comparing
2206 (main): Cast argument of ctype macro to `const unsigned char'.
2208 * recog.c (const_int_operand): Mark parameter `mode' with
2211 * regclass.c (record_reg_classes): Change type of variable `c' to
2212 `unsigned char'. Cast `char' array index to `unsigned char'.
2214 * reload.c (push_secondary_reload): Cast argument to
2215 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
2217 * reload1.c (calculate_needs): Cast `char' array index to
2219 (set_label_offsets): Change type of variable `i' to unsigned int.
2220 Cast result of XVECLEN() macro to unsigned when comparing against
2222 (mark_not_eliminable): Change type of variable `i' to unsigned.
2223 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
2224 when comparing against one.
2225 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
2226 comparing against one.
2227 (choose_reload_regs): Hide unused label `fail'.
2228 (reload_cse_simplify_operands): Cast `char' array index to
2230 (reload_combine_note_store): Mark parameter `set' with
2231 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
2233 (reload_cse_move2add): Remove unused variable `src2'.
2235 * sched.c: Include recog.h.
2236 (sched_note_set): Remove unused parameter `b'. All callers
2238 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
2239 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
2240 when comparing against one.
2242 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
2243 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
2244 comparing against one.
2246 * unroll.c (precondition_loop_p): Remove unused parameter
2247 `loop_end'. All callers changed.
2249 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2251 * reload1.c (maybe_fix_stack_asms): New static function.
2254 * reload.h (compute_use_by_pseudos): Declare.
2256 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
2257 (something_needs_reloads): Delete variable.
2258 (finish_spills): New function.
2259 (compute_use_by_pseudos): New function.
2261 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
2262 Use the reload_insn_chain instead of walking the rtl directly.
2264 (reload): Allocate and free spilled_pseudos.
2265 Ensure that all calls of spill_hard_reg are followed by a call to
2267 Use the insns_need_reload list instead of something_needs_reloads
2268 to find out if reload_as_needed must be called.
2269 Clear unused_insn_chains at the end.
2271 (calculate_needs_all_insns): Lose FIRST parameter. All callers
2273 Delete code to keep track of current basic block.
2274 Walk reload_insn_chain instead of the rtl structure. Build the
2275 insns_need_reload chain.
2276 Remember which insns need reloading/elimination by setting the
2277 appropriate fields in struct insn_chain, not by putting modes on the
2280 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
2281 arg INSN. All callers changed.
2282 Delete declaration of struct needs.
2283 Don't set something_needs_reloads.
2284 Record insn needs in the CHAIN argument.
2286 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
2288 (reload_as_needed): Lose FIRST arg. All callers changed.
2289 Walk the reload_insn_chain instead of the rtx structure.
2290 Delete code to keep track of current basic block.
2291 Rename one of the NEXT variables to OLD_NEXT.
2293 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
2295 (choose_reload_regs): Likewise.
2297 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
2300 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
2301 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
2302 (hard_regs_live, hard_regs_need_restore): Delete variables.
2303 (n_regs_saved): Now static.
2304 (referenced_regs, this_insn_sets): New variables.
2306 (setup_save_areas): Restructure the code a bit.
2308 (restore_referenced_regs): Delete function.
2309 (mark_referenced_regs): New function, similar to the old
2310 restore_referenced_regs, but mark registers in referenced_regs.
2312 (clear_reg_live): Delete function.
2313 (mark_set_regs): Renamed from set_reg_live. All callers changed.
2314 Only mark registers in this_insn_sets.
2316 (save_call_clobbered_regs): Rework this function to walk the
2317 reload_insn_chain instead of using the list of instructions directly.
2318 Delete code to keep track of register lives, compute live regs on the
2319 fly from information in the chain.
2320 Instead of calling restore_referenced_regs, use mark_referenced_regs,
2321 then walk the set it computes and call insert_restore as appropriate.
2323 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
2325 Restructure the code a bit. Test hard_regs_saved instead of
2326 hard_regs_need_restore.
2327 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
2328 args. All callers changed.
2329 Restructure the code a bit. Use TO_SAVE to determine which regs to
2330 save instead of more complicated test.
2331 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
2333 Create a new insn_chain structure for the new insn and place it
2336 * rtl.texi: Update documentation to reflect that reload no longer
2337 puts modes on the insns.
2339 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2341 * function.c (purge_addressof_1): Force the first argument of a
2342 CALL insn to memory.
2344 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
2346 * rtl.h: Delete duplicate prototypes. Add some missing
2348 * rtlanal.c: (for_each_rtx): Formatting tweak.
2350 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2352 * real.c (emdnorm and etoasc): Disable round to even for c4x target
2353 to be compatible with TI compiler.
2355 * Makefile.in (USER_H): Add va-c4x.h to definition.
2357 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
2359 * function.c (purge_addressof_1): Fix typo in inequality: do
2360 bitfield optimization for equal mode sizes.
2361 * expmed.c (store_bit_field): Don't take subregs of subregs in
2362 the movstrict case. Tidy a potential problem in the multi-word case.
2363 (extract_bit_field): Likewise.
2365 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2367 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
2369 Compute max_uid_for_flow by calling get_max_uid after the scan.
2370 (find_basic_blocks_1): Don't emit NOPs here.
2372 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
2374 * alias.c (base_alias_check): Accept new args for the modes of the
2375 two references. Use them to determine if an AND can overlap. Update
2377 (memrefs_conflict_p): Assume sizes are aligned, and uses them
2378 to determine if an AND can overlap.
2380 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
2382 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
2383 check. Add comment to document problems with TARGET_SUN_FPA version
2385 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
2387 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * Makefile.in (gencheck.o): Depend on gansidecl.h.
2391 * c-common.c (print_char_table): Add missing initializers.
2392 (scan_char_table): Likewise.
2393 (time_char_table): Likewise.
2395 * c-decl.c (c_decode_option): Mark parameter `argc' with
2397 (declare_parm_level): Mark parameter `definition_flag' with
2400 * c-lex.c (readescape): Use `(unsigned)1' in shift.
2401 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
2404 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
2406 (emit_call_1): Mark parameters `fndecl' and `funtype' with
2408 (expand_call): Cast result of MIN() to (unsigned int) when
2409 comparing against an unsigned value.
2411 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
2413 (make_definition): Remove unused parameter `op'. All callers
2415 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
2416 comparing against the result of pointer arithmetic.
2418 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
2419 when comparing against one.
2421 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
2422 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
2424 (output_die): Move variable `i' into the scope in which it is
2425 used. Change its type to `unsigned'.
2426 (output_die): Cast the result of `strlen' to (int) when passing it
2427 to ASM_OUTPUT_ASCII().
2428 (output_pubnames): Likewise.
2429 (output_line_info): Likewise.
2431 * emit-rtl.c (global_rtl): Add missing initializers.
2433 * explow.c (promote_mode): Mark parameter `for_call' with
2436 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
2437 `unsigned HOST_WIDE_INT' when comparing against one.
2438 (synth_mult): Change type of variable `cost' to int.
2439 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
2441 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
2442 when comparing against one.
2443 (get_inner_reference): Change variable `alignment' to unsigned.
2444 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
2445 int) when comparing against one.
2446 (expand_builtin_setjmp): Change type of variable `i' to size_t.
2448 * fold-const.c (div_and_round_double): Cast BASE to
2449 (HOST_WIDE_INT) when comparing against one.
2451 * gencheck.c: Include gansidecl.h.
2452 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
2454 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
2455 `tcode' with ATTRIBUTE_UNUSED.
2457 * real.c (edivm): Cast constant value to (unsigned long) in
2458 expression compared against an unsigned value.
2460 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
2461 comparing against one.
2462 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
2463 when comparing against one.
2465 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
2466 (unsigned int) when comparing against one. Likewise for
2468 (smallest_mode_for_size): Likewise.
2469 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
2470 (restore_storage_status): Likewise.
2472 * toplev.c (debug_args): Add missing initializer.
2473 (f_options): Spelling correction. Add missing initializers.
2474 (documented_lang_options): Likewise.
2475 (debug_end_source_file): Mark parameter `lineno' with
2478 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
2479 `decl' and `type' with ATTRIBUTE_UNUSED.
2481 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
2482 when comparing against one.
2483 (assemble_variable): Mark parameter `top_level' with
2485 (assemble_external_libcall): Mark parameter `fun' with
2487 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
2490 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
2492 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
2493 Replace use of r5 with use of r19.
2495 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
2497 * config/v850/v850.c (compute_register_save_size): Allow for the
2498 fact that helper functions save all registers, not just those used
2501 Replace constant 31 with macro LINK_POINTER_REGNUM.
2503 * config/v850/v850.md: Use 'indirect_operand' rather than
2504 'memory_operand' for bit test/set/clear patterns.
2506 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
2508 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
2509 * varasm.c (assemble_start_function et al): Don't call
2510 ASM_GLOBALIZE_LABEL for weak symbols.
2512 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
2514 * cse.c (equiv_constant): Check for NULL return from
2515 gen_lowpart_if_possible().
2517 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
2519 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
2521 * collect2.c (main): Pass -EL/-EB through to the compiler.
2523 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2525 * expr.c (push_block): Handle targets where the stack grows
2526 to higher addresses, but args grow to lower addresses and
2527 ACCUMULATE_OUTGOING_ARGS is not defined.
2529 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
2531 * config/v850/v850.c (print_operand): Extend meaning
2532 of 'c' operands to support .vtinherit.
2534 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2536 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
2537 Added ATTRIBUTE_UNUSED to unused function arguments.
2538 (rc_reg_operand): New predicate.
2539 (c4x_rptb_insert): New function.
2540 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
2541 (c4x_optimization_options): New function.
2543 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
2544 (decrement_and_branch_on_count): New pattern.
2545 (rptb_top): Modified pattern to work with BCT optimization.
2547 * config/c4x/c4x.h (RC_REG): New register class.
2548 (rc_reg_operand): Define prototype.
2549 (IS_RC_REG): New macro.
2550 (IS_RC_OR_PSEUDO_REG): New macro.
2551 (IS_RC_OR_PSEUDO_REGNO): New macro.
2552 (OPTIMIZATION_OPTIONS): Define.
2554 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2556 * collect2.c (extract_init_priority): No priority is 65535.
2558 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2560 * Makefile.in (build_tooldir): new variable, same as old
2561 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2562 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2563 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2565 * configure.in (gxx_include_dir): set default based on unlibsubdir
2566 * Makefile.in (tooldir): ditto
2567 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2568 gxx_include_dir, includedir and tooldir
2569 (protoize.o, unprotoize.o): ditto
2571 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2573 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2575 * config/arm/thumb.c (thumb_override_options): Add warning about
2576 PIC code not being supported just yet.
2578 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2580 * flow.c: Update comment.
2581 (notice_stack_pointer_modification): New static function.
2582 (record_volatile_insns): Use it.
2583 (mark_regs_live_at_end): Mark the stack pointer as alive
2584 at the end of the function if current_function_sp_is_unchanging
2586 (life_analysis_1): Set current_function_sp_is_unchanging.
2587 * function.c: Define it.
2588 (init_function_start): Initialize it.
2589 * output.h: Declare it.
2590 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2591 the stack pointer as alive at the end of the function if
2592 current_function_sp_is_unchanging is set.
2593 * i386.c (ix86_epilogue): Optimize the restoring
2594 of the stack pointer.
2596 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2598 * version.c: Bump for snapshot.
2600 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2602 * c-pragma.c (handle_pragma_token): If passed a token instead
2603 of a tree, use that as the pack value.
2605 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2607 * flow.c (find_basic_blocks_1): Fix prototype.
2609 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2611 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2612 (struct tree_decl): New fields no_check_memory_usage.
2613 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2614 (init_attributes): Register it as a new attribute.
2615 (decl_attributes): Set flags on functions given that attribute.
2616 * c-decl.c (duplicate_decls): Merge new attribute.
2617 * expr.h (current_function_check_memory_usage): Declare new var.
2618 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2619 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2620 current_function_check_memory_usage.
2621 * function.h: Add field to struct function.
2622 * function.c (current_function_check_memory_usage): Define it.
2623 (push_function_context_to, pop_function_context_from): Save and
2625 (expand_function_start): Set it, based on global flag and function
2628 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2629 check non-automatic variables, to permit detection of writes to
2630 read-only locations in embedded systems without memory management.
2631 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2632 when emitting chkr_set_right_libfunc call, even if the argument is
2633 BLKmode or variable-sized; don't abort.
2635 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2636 symbols in Pmode, not VOIDmode.
2638 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2640 * cppexp.c: When forcing unsigned comparisons, cast both sides
2643 * cpphash.h: Move static declaration of hashtab[]...
2644 * cpphash.c: ...here.
2646 * cpplib.c: Cast difference of two pointers to size_t before
2647 comparing it to size_t. Cast signed to unsigned
2648 before comparing to size_t. (FIXME: struct argdata should use
2649 unsigned buffer sizes.)
2650 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2651 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2652 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2653 size_t before comparison.
2655 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2657 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2658 (find_basic_blocks_1): Similarly.
2659 * output.h (find_basic_blocks): Fix prototype.
2660 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2661 find_basic_blocks anymore.
2663 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2665 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2666 (sbitmap_free, sbitmap_vector_free): New macros.
2667 * output.h (rtl_dump_file): Declare.
2669 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2671 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2673 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2675 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2677 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2678 (divide): Remove unused variable `tmp'.
2679 (si_to_float): Cast numeric constant to (SItype) before comparing
2682 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2684 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2685 * gcc.c (add_preprocessor_option): Correct typo when allocating
2686 memory, sizeof() argument had one too many `*'.
2687 (add_assembler_option): Likewise.
2688 (add_linker_option): Likewise.
2689 * gcov.c (output_data): Likewise.
2690 * local-alloc.c (memref_used_between_p): Likewise.
2691 (update_equiv_regs): Likewise.
2692 * loop.c (strength_reduce): Likewise.
2693 * reg-stack.c (record_asm_reg_life): Likewise.
2694 (subst_asm_stack_reg): Likewise.
2695 * reorg.c (dbr_schedule): Likewise.
2697 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2699 * flow.c (life_analysis_1): Break out some functions.
2700 (find_basic_blocks_1): Likewise. Also move some variables out and
2702 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2703 new static var nonlocal_label_list with it.
2704 (active_eh_region, nested_eh_region, label_value_list,
2705 nonlocal_label_list): New static variables.
2706 (make_edges, delete_unreachable_blocks, delete_block): New static
2707 functions, broken out of find_basic_blocks_1.
2708 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2709 noop_move_p): New static functions, broken out of life_analysis_1.
2711 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2713 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2714 Take extra care for op0 now possibly being a subreg.
2715 (extract_bit_field): Likewise.
2716 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2717 the reg to memory if there is no equal sized integral mode.
2718 * stor-layout.c (int_mode_for_mode): New function.
2719 * machmode.h: Prototype it.
2721 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2723 * global.c (build_insn_chain): Verify no real insns exist past the
2724 end of the last basic block, then exit the loop.
2726 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2728 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2730 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2732 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2734 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2736 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2738 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2740 * flow.c (find_basic_blocks): Correctly determine when a call
2741 is within an exception region.
2743 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2745 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2747 * cpplib.h: Protect from multiple inclusions.
2748 * cpplib.c: Fix minor formatting problems.
2750 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2752 * jump.c (jump_optimize): Revert accidental patch.
2754 * Makefile.in (cpplib.o): Use unlibsubdir.
2756 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2758 * loop.c (get_condition): Allow combine when either compare is
2761 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2763 * version.c: Bump for snapshot.
2765 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2767 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2768 (init_lex): Initialize ridpointers[RID_BYREF].
2769 * c-lex.h (enum rid): Add RID_BYREF.
2770 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2771 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2772 (encode_type_qualifiers): Similarly
2773 * c-gperf.h: Rebuilt.
2775 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2777 * c-common.c (type_for_mode): Only return TItype nodes when
2778 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2779 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2780 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2781 (init_decl_processing): Only create TItype nodes when
2782 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2783 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2784 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2786 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2788 * stmt.c (n_occurrences): New static function.
2789 (expand_asm_operands): Verify that all constrains match in the
2790 number of alternatives.
2791 Verify that '+' or '=' are at the beginning of an output constraint.
2792 Don't allow '&' for input operands.
2793 Verify that '%' isn't written for the last operand.
2794 * reload.c (find_reloads): Abort if an asm is found with invalid
2795 constraints; all possible problems ought to be checked for earlier.
2797 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2799 * flags.h (flag_branch_on_count_reg): Always declare
2800 * toplev.c (flag_branch_on_count_reg): Likewise.
2801 * toplev.c: Fix typos.
2803 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2806 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2808 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2810 (find_basic_blocks_1): Add a nop to the end of a basic block when
2811 a trailing call insn does not have abnormal control flow.
2812 * gcse.c (pre_transpout): New variable.
2813 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2814 (compute_pre_transpout): Calculate it.
2815 (compute_pre_ppinout): Use it to eliminate impossible placements
2816 due to abnormal control flow through calls.
2817 (compute_pre_data): Call compute_pre_transpout.
2819 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2821 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2823 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2825 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2826 and matching define_insns): Tack on a `use' of the table label, so
2827 flow analysis will recognize a tablejump.
2829 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2831 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2832 always end basic blocks for abnormal edge reasons.
2834 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2836 * config/i386/i386.h: Remove definition of
2837 HANDLE_PRAGMA_PACK_PUSH_POP.
2839 * config/i386/go32.h: Add definition of
2840 HANDLE_PRAGMA_PACK_PUSH_POP.
2842 * config/i386/win32.h: Add definition of
2843 HANDLE_PRAGMA_PACK_PUSH_POP.
2845 * config/i386/cygwin32.h: Add definition of
2846 HANDLE_PRAGMA_PACK_PUSH_POP.
2848 * c-pragma.c (insert_pack_attributes): Do not insert
2849 attributes unless #pragma pack(push,<n>) is in effect.
2851 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2853 * expr.c (emit_group_store): Handle a PARALLEL destination.
2855 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2857 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2858 the new insns before the argument regs are loaded.
2860 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2862 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2863 (c-parse.gperf): Update comments describing invocation flags.
2864 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2866 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2868 * reload1.c (reload): Call free before clobbering the memory
2869 locations or constants pointers.
2871 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2873 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2874 for efficiency by checking whether we need to modify the current
2875 stack permission at all.
2876 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2877 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2878 __enable_execute_stack libcall here too if
2879 TRANSFER_FROM_TRAMPOLINE is defined.
2880 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2883 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2885 * Makefile.in (DRIVER_DEFINES): Remove last change.
2887 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2889 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2890 insns we're going to copy.
2891 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2893 * loop.c (count_one_set): Add prototype.
2895 * caller-save.c (restore_referenced_regs): Lose mode argument.
2896 (insert_save): Lose mode argument.
2897 (insert_restore): Lose mode argument.
2898 (insert_one_insn): Lose mode argument.
2899 (save_call_clobbered_regs): Lose mode argument.
2900 (setup_save_areas): Take no argument and return void. All callers
2902 Don't verify validity of memory addresses.
2903 * reload.h (setup_save_ares): Adjust prototype.
2904 (save_call_clobbered_regs): Likewise.
2905 * reload1.c (delete_caller_save_insns): New function.
2906 (caller_save_spill_class): Delete variable.
2907 (caller_save_group_size): Delete variable.
2908 (reload): Call setup_save_areas and save_call_clobbered_regs
2909 in the main loop, before calling calculate_needs_all_insns.
2910 Don't call save_call_clobbered_regs after the loop.
2911 Call delete_caller_save_insns at the end of an iteration if
2913 Delete code to manage caller_save_spill_class.
2914 Emit the final note before setting reload_first_uid.
2915 Simplify test that determines whether reload_as_needed gets run.
2916 (calculate_needs): Delete code to manage caller_save_spill_class.
2918 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2920 * collect2.c (main): Initialize ld_file_name.
2922 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2924 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2925 check for flag_function_sections.
2927 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2929 * cse.c (insert_regs): Fix bug in Sep 24 change.
2931 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2933 * flags.h (flag_dump_unnumbered): Declare.
2934 * toplev.c (flag_dump_unnumbered): Don't declare.
2935 * print-rtl.c (flags.h): Include.
2936 (print_rtl_single): Add return value.
2937 * rtl.h (print_rtl_single): Update declaration.
2938 * flow.c (flag_dump_unnumbered): Don't declare.
2939 (print_rtl_with_bb): Use return value of print_rtl_single.
2941 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2943 * loop.c (count_one_set): New static function, broken out of
2945 (count_loop_regs_set): Call it.
2946 * global.c (mark_reg_store): Handle clobbers here by not calling
2948 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2949 is in fact a clobber.
2950 * integrate.c (process_reg_param): New function, broken out of
2951 expand_inline_function.
2952 (expand_inline_function): Call it.
2955 * i386.md (addsidi3_1): Delete unused variable temp.
2956 (addsidi3_2): Likewise.
2957 (clstrstrsi): Delete unused variable addr1.
2959 * rtl.h: Don't declare any functions also declared in recog.h.
2961 * Makefile.in (stupid.o): Update dependencies.
2962 (global.o): Likewise.
2964 * global.c: Include reload.h
2965 (reg_becomes_live): New function.
2966 (reg_dies): New function.
2967 (build_insn_chain): New function.
2968 (global_alloc): Call build_insn_chain before calling reload.
2970 * reload.h (struct needs): New structure definition.
2971 (struct insn_chain): Likewise.
2972 (reload_insn_chain): Declare variable.
2973 (new_insn_chain): Declare function.
2976 * reload1.c (reload_startobj): New variable.
2977 (reload_insn_chain): New variable.
2978 (unused_insn_chains): New variable.
2979 (new_insn_chain): New function.
2980 (init_reload): Initialize reload_startobj, not reload_firstobj.
2981 (reload): Initialize reload_firstobj.
2982 Before returning, free everything on the reload_obstack.
2984 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2985 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2986 current_chain): New variables.
2987 (reg_where_born): Delete variable.
2988 (REG_WHERE_BORN): New macro.
2989 (find_clobbered_regs): New function.
2990 (stupid_life_analysis): Don't allocate/free reg_where_born.
2991 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2992 reg_where_dead_chain.
2993 Use REG_WHERE_BORN instead of reg_where_born.
2994 While processing the insns, build the reload_insn_chain with
2995 information about register lifetimes.
2996 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2997 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2999 Compute and information about birth and death of pseudo registers in
3000 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
3001 Delete code to set elements of reg_where_born.
3003 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3005 * tree.def (GOTO_EXPR): Modified documentation.
3006 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
3009 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
3011 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
3012 loop_final_value, loop_comparison_code): No longer static.
3013 (unroll_loop): Delete loop_start_value update.
3014 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
3015 loop_final_value, loop_comparison_code): Extern.
3016 (loop_start_value): Delete extern.
3017 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
3018 loop_comparison_value, loop_comparison_code): Delete.
3019 (loop_optimize): Remove initialization for deleted variables.
3020 (strength_reduce): Delete analyze_loop_iterations call. Only call
3021 insert_bct if flag_branch_count_on_reg set.
3022 (analyze_loop_iterations): Delete.
3023 (insert_bct): Remove iteration count calculation. Move checks for
3024 viable BCT optimization to here. Obtain iteration count from
3025 loop_iterations and correct for unrolling. Check for enough
3026 iteration to be beneficial. Comment out runtime iteration count
3028 (insert_bct): Print iteration count in dump file. Remove
3029 loop_var_mode and use word_mode directly.
3031 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
3032 * rs6000.c (rs6000_override_options): Use it.
3033 (optimization_options): Enable use of flag_branch_on_count_reg.
3034 * rs6000.md (define_function_unit): Describe 604e.
3036 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3038 * loop.c (move_movables): Corrected threshold calculation for
3039 moved_once registers.
3041 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3043 * loop.c (combine_givs_p): Fix test for identical givs.
3045 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
3047 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
3048 call abort if the function is already defined.
3050 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
3052 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
3053 truncation is not a no-op.
3055 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
3057 * version.c: Bump for snapshot.
3059 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
3061 * version.c: Bump for snapshot.
3063 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
3065 * expmed.c (expand_divmod): Don't widen for computing remainder
3066 if we seem to have a divmod pattern for needed mode.
3068 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3070 * cpplib.c (macroexpand): Correct off-by-one error in handling
3073 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
3075 * combine.c (expand_field_assignment): Don't do bitwise operations
3076 on MODE_FLOAT; pun to MODE_INT if possible.
3078 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
3079 scott snyder <snyder@d0sgif.fnal.gov>
3081 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
3082 linker. Recognize mangled names in quotes.
3084 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3086 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
3087 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
3088 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
3089 (lshrsi3_extend, lshrsi3_extend2): Ditto.
3091 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3093 * function.c (purge_addressof_1): If trying to take a sub-word
3094 integral piece of a floating point mode, put it on the stack.
3096 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
3098 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
3100 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
3102 * PROJECTS: Remove template friends.
3104 * collect2.c (sort_ids): Remove unused variable.
3106 * tm.texi (MATH_LIBRARY): Document.
3107 (NEED_MATH_LIBRARY): Remove.
3109 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
3110 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
3112 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
3114 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
3115 last_end to 0x7fffffff.
3117 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3119 * function.c (purge_addressof_1): Do not perform endianness
3120 corrections on bitpos, who we call will do it for us.
3122 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
3124 * h8300.c (WORD_REG_USED): Fix typo.
3125 (initial_offset): Use WORD_REG_USED.
3127 * h8300.c (handle_pragma): Fix typo.
3129 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3131 * caller-save.c (insert_save_restore): Break this function up
3132 into new functions insert_restore, insert_save and insert_one_insn.
3133 All callers changed.
3134 (insert_restore): New function, mostly broken out of
3135 insert_save_restore.
3136 (insert_save): Likewise.
3137 (insert_one_insn): Likewise.
3138 (restore_referenced_regs): New argument BLOCK. All callers changed.
3139 (save_call_clobbered_regs): Don't keep track of basic block boundaries
3140 in this function, do it in insert_one_insn instead.
3142 * reload1.c (reload): Break out some more pieces into separate
3144 (dump_needs): New function, broken out of reload.
3145 (set_initial_elim_offsets): Likewise.
3146 (init_elim_table): Likewise.
3147 (update_eliminables): Likewise.
3149 * global.c (global_alloc): Delete code to manage the scratch_list.
3150 * local-alloc.c (qty_scratch_rtx): Delete.
3151 (scratch_block): Delete.
3152 (scratch_list): Delete.
3153 (scratch_list_length): Delete.
3154 (scratch_index): Delete.
3155 (alloc_qty_for_scratch): Delete.
3156 (local-alloc): Update initialization of max_qty.
3157 Delete code to manage the scratch list.
3158 Delete code to allocate/initialize qty_scratch_rtx.
3159 (block_alloc): Don't allocate quantities for scratches.
3160 Delete code to manage the scratch list.
3161 * regs.h (scratch_list): Delete declaration.
3162 (scratch_block): Delete declaration.
3163 (scratch_list_length): Delete declaration.
3164 * reload1.c (reload): Delete code to manage the scratch list.
3165 (spill_hard_reg): Likewise.
3166 (mark_scratch_live): Delete.
3168 * recog.c (alter_subreg): Delete declaration.
3170 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
3172 * Makefile.in (cccp.o): Fix typo in last patch.
3174 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3176 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
3177 * config/sh/lib1funcs.asm (___set_fpscr): Add.
3179 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
3181 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
3182 NULL_RTX as an argument.
3184 * Makefile.in (unlibsubdir): Define.
3185 (DRIVER_DEFINES): Use unlibsubdir.
3186 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
3187 (stmp-fixinc): Similarly.
3189 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3191 * regmove.c (regmove_optimize): Add variable old_max_uid.
3192 At the end of the function, update basic_block_end.
3194 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3196 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
3197 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
3200 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
3202 * config/arm/arm.c: Improve interworking support.
3204 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3206 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
3207 copied from reload_out[r] .
3209 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
3211 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
3212 with more than three size ranges.
3214 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
3216 * rtl.c (mode_name): Add a null string at the end of the array.
3217 (mode_wider_mode): Change type to unsigned char.
3218 (mode_mask_array): New variable.
3219 (init_rtl): Update for mode_wider_mode type change.
3221 * rtl.h (mode_wider_mode): Change type to unsigned char.
3222 (mode_mask_array): Declare.
3223 (GET_MODE_MASK): Use mode_mask_array.
3225 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
3227 * calls.c (expand_call) : Encapsulate code into
3228 copy_blkmode_from_reg.
3229 * expr.c (copy_blkmode_from_reg): New function.
3230 * expr.h (copy_blkmode_from_reg): New function.
3231 * integrate.c (function_cannot_inline_p): We can inline
3233 (expand_inline_function): Use copy_blkmode_from_reg
3234 if needed. Avoid creating BLKmode REGs.
3235 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
3238 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
3240 * config/v850/v850.c: Add function prototypes.
3241 Add support for v850 special data areas.
3243 * config/v850/v850.h: Add support for v850 special data areas.
3245 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
3246 HANDLE_PRAGMA_PACK_PUSH_POP.
3247 (push_alignment): New function: Cache an alignment requested
3248 by a #pragma pack(push,<n>).
3249 (pop_alignment): New function: Pop an alignment from the
3251 (insert_pack_attributes): New function: Generate __packed__
3252 and __aligned__ attributes for new decls whilst a #pragma pack
3254 (add_weak): New function: Cache a #pragma weak directive.
3255 (handle_pragma_token): Document calling conventions. Add
3256 support for #pragma pack(push,<n>) and #pragma pack (pop).
3258 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
3259 are defined enable HANDLE_PRAGMA_PACK.
3260 Move 'struct weak_syms' here (from varasm.c).
3261 Add pragma states for push and pop pragmas.
3263 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
3266 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
3267 HANDLE_GENERIC_PRAGMAS.
3269 * varasm.c: Move definition of 'struct weak_syms' into
3271 (handle_pragma_weak): Deleted.
3273 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3275 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3277 * c-decl.c (start_function): Add invocation of
3278 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
3280 * tm.texi: Remove description of non-existant macro
3281 SET_DEFAULT_SECTION_NAME.
3283 (HANDLE_SYSV_PRAGMA): Document.
3284 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
3286 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
3288 * config.sub: Recognize i[34567]86-pc-udk as new target.
3289 * configure.in: Likewise.
3290 * config/i386/t-udk: New file.
3291 * config/i386/udk.h: New file.
3293 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
3295 * reorg.c (check_annul_list_true_false): Remove unused variables.
3296 (steal_delay_list_from_target): Add missing "used_annul" variable.
3297 (try_merge_delay_insns): Close out half formed comment.
3299 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3301 * cpplib.c (macroexpand): If arg->raw_before or
3302 arg->raw_after, remove any no-reexpansion escape at the
3303 beginning of the pasted token. Correct handling of whitespace
3304 markers and no-reexpand markers at the end if arg->raw_after.
3306 * toplev.c (documented_lang_options): Recognize -include,
3307 -imacros, -iwithprefix, -iwithprefixbefore.
3308 * cpplib.c (cpp_start_read): Process -imacros and -include
3309 switches at the same time and in command-line order, after
3310 initializing the dependency-output code. Emit properly nested
3311 #line directives for them. Emit a #line for the main file
3312 before processing these switches, and don't do it again
3315 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
3317 * function.c (purge_addressof_1): Use bitfield manipulation
3318 routines to handle mem mode < reg mode.
3320 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3322 * reorg.c (try_merge_delay_insns): Account for resources referenced
3323 in each instruction in INSN's delay list before trying to eliminate
3324 useless instructions. Similarly when looking at a trial insn's delay
3327 * reorg.c (check_annul_list_true_false): New function.
3328 (steal_delay_list_from_{target,fallthrough}): Call it and also
3329 refine tests for when we may annul if already filled a slot.
3330 (fill_slots_from_thread): Likewise.
3331 (delete_from_delay_slot): Return newly-created thread.
3332 (try_merge_delay_isns): Use its new return value.
3334 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
3336 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
3337 used to compute a giv or as some other non-counting use.
3339 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3341 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3342 * local-alloc.c (find_free_reg): Use it.
3343 * global.c (find_reg): Likewise.
3344 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
3346 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
3347 * caller-save.c (init_caller_save): Use it.
3348 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
3350 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3352 * configure.in: Add --enable-cpplib option which uses cpplib
3353 for cpp, but doesn't link cpplib into cc1. Make help text
3354 capitalization consistent.
3355 * configure: Rebuilt.
3357 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
3359 * function.c (gen_mem_addressof): If the address REG is
3360 REG_USERVAR_P make the new REG be so also.
3361 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
3362 in an attempt to clarify slightly.
3364 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
3366 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
3367 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
3369 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
3371 * toplev.c: Fix last patch.
3373 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
3375 * loop.c (get_condition): Fix typo in May 9 change.
3377 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3379 * invoke.texi (-fexceptions): Merge 2 different descriptions.
3381 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3383 * toplev.c (documented_lang_options): Spelling corrections.
3385 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3387 * configure.in: new flags --with-ld and --with-as, equivalent
3388 to setting LD and AS environment variables. Test whether
3389 specified arguments are GNU commands, and report them with
3390 checking messages. Use the specified AS for configure
3393 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
3395 * gcc.c (find_a_file): when looking for `as' and `ld', return
3396 the DEFAULT program if it exists
3397 * collect2.c (main): use DEFAULT_LINKER if it exists
3399 * gcc.c (find_a_file): the test for existence of a full
3400 pathname was reversed
3402 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
3404 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
3405 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
3407 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
3409 * tree.h (TYPE_BINFO): Document.
3411 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
3413 * i386-coff.h (dbxcoff.h): Added.
3415 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
3417 * toplev.c: fix bad patch around flag_data_sections.
3419 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
3421 * reload1.c (reload): Use reload_address_index_reg_class and
3422 reload_address_base_reg_class when setting
3423 caller_save_spill_class. (Patch generated by Jim Wilson:
3426 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
3428 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
3429 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
3430 * expr.c (store_field): Add alias_set parameter. Set the
3431 MEM_ALIAS_SET accordingly, if the target is a MEM.
3432 (expand_assignment): Use it.
3433 (store_constructor_field): Pass 0.
3434 (expand_expr): Likewise.
3436 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
3438 * flags.h: Add flag_data_sections.
3439 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
3440 (compile_file): Error if flag_data_sections not supported.
3441 * varasm.c (assemble_variable): Handle flag_data_sections.
3442 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
3443 * config/mips/elf.h: Likewise.
3444 * config/mips/elf64.h: Likewise.
3445 * invoke.texi: Describe -fdata-sections.
3447 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
3449 * invoke.texi (-ffloat-store): Clarify that this option
3450 does not affect intermediate results -- only variables.
3452 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
3454 * cpp.texi: Update for Fortran usage from Craig.
3456 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3458 * rs6000.c (function_arg_boundary): Revert accidental change on
3461 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
3463 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
3464 (output_mi_thunk): Declare.
3466 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
3467 (output_function_profiler): Use r12 for temp, instead of r11 so
3468 that we preserve the static chain register.
3470 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
3472 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
3474 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3476 * sh.c (gen_shl_sext): Fix case 5.
3478 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3480 * reload1.c (reload_combine): Re-add line that got accidentally lost.
3482 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3484 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
3485 accessing variables until they are initialized via va_arg().
3487 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3489 * reload1.c (reload_combine): Initialize set before using.
3491 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
3493 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
3496 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
3498 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
3499 operand3 with mask before using it. Patch provided by Jim Wilson.
3501 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3503 * config/sparc/sparc.c (function_value): Perform the equivalent of
3504 PROMOTE_MODE for ARCH64.
3505 (eligible_for_epilogue_delay): Allow DImode operations in delay
3506 slot of a return for ARCH64.
3508 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3510 * sh.md (sqrtsf2): Fix mode of sqrt.
3512 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3514 * reload1.c (choose_reload_regs): Also try inheritance when
3515 reload_in is a stack slot of a pseudo, even if we already got a
3518 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3520 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
3521 (reload_cse_regs): New function body: call reload_cse_regs_1,
3522 reload_combine, reload_cse_move2add.
3523 When doing expensive_optimizations, call reload_cse_regs_1 a
3524 second time after reload_cse_move2add.
3525 (reload_combine, reload_combine_note_store): New functions.
3526 (reload_combine_note_use): New function.
3527 (reload_cse_move2add, move2add_note_store): New functions.
3529 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3531 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
3532 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
3534 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
3535 more than 3 such reloads.
3537 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
3538 RELOAD_FOR_X_ADDR_ADDR reload.
3540 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3542 * expr.c (store_constructor): When initializing a field that is smaller
3543 than a word, at the start of a word, try to widen it to a full word.
3545 * cse.c (cse_insn): When we are about to change a register,
3546 remove any invalid references to it.
3548 (remove_invalid_subreg_refs): New function.
3549 (mention_regs): Special treatment for SUBREGs.
3550 (insert_regs): Don't strip SUBREG for call to mention_regs.
3551 Check if reg_tick needs to be bumped up before that call.
3552 (lookup_as_function): Try to match known word_mode constants when
3553 looking for a norrower constant.
3554 (canon_hash): Special treatment for SUBREGs.
3556 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3558 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3559 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3560 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3561 and offsets in actual stack trampoline code so they match the
3562 commentary and actually work.
3564 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3566 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3568 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3569 tmake_file. Set extra_parts to needed crt objects.
3570 * configure: Rebuilt.
3571 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3572 (TARGET_DEFAULT): Set if default is v9 or ultra.
3573 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3574 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3575 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3576 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3577 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3578 (TARGET_VERSION): Define.
3579 (MULTILIB_DEFAULT): Define.
3580 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3581 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3582 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3584 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3585 * config/sparc/sparc.c (sparc_override_options): If arch and
3586 pointer size disagree, emit diagnostic and fix it up. If
3587 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3588 V8PLUS in 64-bit mode.
3589 * config/sparc/t-linux64: New file.
3590 * config/sparc/t-sol2-64: New file.
3591 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3592 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3593 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3594 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3595 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3596 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3598 (STARTFILE_SPEC): Set approriately based upon those.
3599 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3600 disposition of DEFAULT_ARCH32_P.
3601 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3602 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3603 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3604 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3605 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3607 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3609 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3611 * rtl.h (init_virtual_regs): New function.
3612 * emit-rtl.c (init_virtual_regs): Define.
3613 (insn_emit): Use it.
3614 * integrate.c (save_for_inline_copying): Likewise.
3616 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3618 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3619 (enum reg_class): Add NONARG_LO_REGS support.
3620 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3621 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3622 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3623 completes. Re-enable HImode REG+OFFSET addresses.
3624 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3626 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3628 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3630 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3631 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3632 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3634 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3636 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3637 jumps as a single entity, taking into account the size of the
3640 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3642 * tree.def (SWITCH_EXPR): New tree node definition.
3644 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3646 * version.c: Bump for snapshot.
3648 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3650 * version.c: Bump for snapshot.
3652 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3654 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3657 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3659 * Revert this patch.
3660 * reload.c (find_reloads): Do not replace a pseudo with
3661 (MEM (reg_equiv_addr)) in the initializing insn for the
3664 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3666 * final.c (final_scan_insn): Disable tracking CC across branches.
3668 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3670 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3671 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3672 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3673 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3674 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3676 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3678 * toplev.c (rest_of_compilation): Skip compiling anything with
3679 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3681 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3683 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3684 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3685 use in_libcall_block.
3686 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3687 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3690 Mon Sep 21 14:02:23 1998
3692 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3693 typo in no-fancy-math-387 description.
3695 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3697 * version.c: Bump for snapshot.
3699 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3701 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3703 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3705 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3706 documented in install.texi.
3707 (TARGET_OPTIONS) Likewise.
3709 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3711 * version.c: Bump for snapshot.
3713 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3715 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3716 * cccp.c (main): Likewise.
3718 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3719 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3722 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3724 * Makefile.in (LIBS): Link in libiberty.a.
3725 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3727 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3729 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3730 it to update bb boundaries. Update caller.
3731 * function.c (reposition_prologue_and_epilogue_notes): Update
3732 bb boundaries wrt the moved note.
3734 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3736 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3738 * configure: Regenerate.
3740 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3742 * alpha.c (alpha_sr_alias_set): New variable.
3743 (override_options): Set it.
3744 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3745 (mode_mask_operand): Fix signed-unsigned comparision warning.
3746 (alpha_expand_block_move): Likewise.
3747 (print_operand): Likewise.
3748 (get_aligned_mem): Use change_address.
3749 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3750 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3751 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3752 (alpha_align_insns): Remade from old alphaev5_align_insns
3753 to handle multiple processors.
3754 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3755 * output.h (label_to_alignment): Prototype.
3757 * tree.c (new_alias_set): New function.
3758 * tree.h (new_alias_set): Declare it.
3759 * c-common.c (c_get_alias_set): Use it.
3761 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3763 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3764 to an ABS expr, convert an unsigned input to signed.
3766 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3768 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3770 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3772 * configure.in: Add support for c4x targets.
3773 * configure: Rebuilt.
3775 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3777 * combine.c (distribute_notes): If an insn is a cc0 user, only
3778 delete it if we can also delete the cc0 setter.
3780 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3782 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3783 (invert_truthvalue): Enable truthvalue inversion for
3784 floating-point operands if -ffast-math.
3786 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3788 * configure.in: Disable collect2 for nextstep. Instead use
3790 * configure: Rebuilt.
3791 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3792 (ENDFILE_SPEC): Define.
3793 (OBJECT_FORMAT_MACHO): Define.
3794 (EH_FRAME_SECTION_ASM_OP): Define.
3795 * crtstuff.c: Handle MACHO.
3797 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3799 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3801 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3803 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3804 (_fpadd_parts): Get sign right for 0.
3806 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3808 * ginclude/varargs.h: Add support for C4x target.
3809 * ginclude/stdargs.h: Likewise.
3811 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3813 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3814 (alpha_emit_set_long_const): Rewrite to be callable from reload
3816 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3817 * alpha.md (movdi): Likewise.
3819 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3821 * arm.c (add_constant): New parameter address_only, change caller.
3822 Set it non-zero if taking the address of an item in the pool.
3823 (arm_reorg): Handle cases where we need the address of an item in
3826 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3828 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3829 memory addresses that are not in standard canonical form.
3831 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3833 * README.C4X: New file with information about the c4x ports.
3834 * ginclude/va-c4x.h: New file for c4x varargs support.
3835 * config/c4x: New directory with c4x port files.
3837 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3839 * reload.c (find_reloads): Do not replace a pseudo with
3840 (MEM (reg_equiv_addr)) in the initializing insn for the
3843 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3845 * toplev.c (rest_of_compilation): Set bct_p on second call to
3847 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3849 (strength_reduce): Only call analyze_loop_iterations and
3850 insert_bct if bct_p set.
3851 (check_dbra_loop): Fix typo.
3852 (insert_bct): Use word_mode instead of SImode.
3853 (instrument_loop_bct): Likewise. Do not delete iteration count
3854 condition code generation insn. Initialize iteration count before
3856 * rtl.h (loop_optimize): Update prototype.
3858 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3859 not doubleword aligned.
3861 * rs6000.c (optimization_options): New function.
3862 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3863 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3864 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3865 first; cr1 can be used for FP record condition insns.
3867 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3869 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3872 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3875 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3877 (block_move_call): New function: Call a library routine to copy a
3879 (m32r_expand_block_move): New function: Expand a "movstrsi"
3880 pattern into a sequence of insns.
3881 (m32r_output_block_move): New function: Expand a
3882 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3883 (m32r_block_immediate_operand): New function: Return true if the
3884 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3886 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3888 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3890 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3892 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3894 * regmove.c (copy_src_to_dest): Check that modes match.
3896 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3898 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3900 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3902 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3903 narrower than FLOAT_REGS.
3905 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3907 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3909 * Makefile.in (old_gxx_include_dir): removed
3911 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3913 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3916 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3917 (sh_handle_pragma): Change function arguments to match new
3918 specification for HANDLE_PRAGMA.
3920 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3922 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3924 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3925 When generating output, initialize missing struct member to zero.
3927 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3929 * regmove.c (copy_src_to_dest): Don't copy if that requires
3930 (a) new register(s).
3932 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3934 * global.c (reg_allocno): Now static.
3935 * reload1.c (reg_allocno): Delete declaration.
3936 (order_regs_for_reload): Take no arguments. Don't treat regs
3937 allocated by global differently than those allocated by local-alloc.
3939 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3941 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3942 condition, fix format strings.
3943 (output_function_epilogue): Likewise.
3945 * m68k/m68k.c: Don't include <stdlib.h> directly.
3947 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3949 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3950 mem_first_set, mem_last_set; because 0 can be a CUID.
3951 (oprs_unchanged_p): Use new definition.
3952 (record_last_reg_set_info): Likewise.
3953 (record_last_mem_set_info): Likewise.
3954 (compute_hash_table): Likewise.
3956 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3958 * rs6000.c (output_epilogue): Handle Chill.
3960 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3961 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3963 * combine.c (make_extraction): If no mode is specified for
3964 an operand of insv, extv, or extzv, default it to word_mode.
3965 (simplify_comparison): Similarly.
3966 * expmed.c (store_bit_field): Similarly.
3967 (extract_bit_field): Similarly.
3968 * function.c (fixup_var_regs_1): Similarly.
3969 * recog.c (validate_replace_rtx_1): Similarly.
3970 * mips.md (extv, extzv, insv expanders): Default modes for most
3971 operands. Handle TARGET_64BIT.
3972 (movdi_uld, movdi_usd): New patterns.
3974 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3975 equivalent memory location unless we have been provided a scratch
3976 register. Similarly do not call find_replacement unless a
3977 scratch register has been provided.
3979 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3981 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3984 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3986 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3987 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3988 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3989 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3990 * c-decl.c (init_decl_processing): Update accordingly.
3991 * expr.c (expand_builtin): Likewise.
3993 * rtl.h (global_rtl): Add cfa entry.
3994 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3995 (LAST_VIRTUAL_REGISTER): Update.
3996 * emit-rtl.c (global_rtl): Add cfa entry.
3997 (init_emit): Initialize it.
3998 * function.c (cfa_offset): New.
3999 (instantiate_virtual_regs): Initialize it.
4000 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
4001 (expand_function_end): Call expand_eh_return.
4002 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
4004 * except.c (current_function_eh_stub_label): Kill.
4005 (current_function_eh_old_stub_label): Likwise; update all references.
4006 (expand_builtin_set_return_addr_reg): Kill.
4007 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
4008 (expand_builtin_set_eh_regs): Kill.
4009 (eh_regs): Produce a third reg for the actual handler address.
4010 (eh_return_context, eh_return_stack_adjust): New.
4011 (eh_return_handler, eh_return_stub_label): New.
4012 (init_eh_for_function): Initialize them.
4013 (expand_builtin_eh_return, expand_eh_return): New.
4014 * except.h: Update prototypes.
4015 * flow.c (find_basic_blocks_1): Update references to the stub label.
4016 * function.h (struct function): Kill stub label elements.
4018 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
4019 register number is one that would be in the previous window.
4020 Provide a dummy definition for non-windowed targets.
4021 (get_reg_addr): New function.
4022 (get_reg, put_reg, copy_reg): Use it.
4023 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
4024 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
4026 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
4027 (alpha_init_expanders): Initialize it.
4028 (alpha_expand_epilogue): Use it.
4029 * alpha.h: Declare it.
4030 * alpha.md (eh_epilogue): New.
4032 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
4033 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
4035 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
4037 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
4040 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4042 * except.h (struct eh_entry): Add false_label field.
4043 (end_catch_handler): Add prototype.
4044 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
4045 (start_catch_handler): When using old style exceptions, issue
4046 runtime typematch code before continuing with the handler.
4047 (end_catch_handler): New function, generates label after handler
4048 if needed by older style exceptions.
4049 (expand_start_all_catch): No need to check for new style exceptions.
4050 (output_exception_table_entry): Only output the first handler label
4051 for old style exceptions.
4052 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
4053 mechanism into one function, if a runtime matcher is provided.
4055 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4057 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
4059 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
4061 * integrate.c (copy_decl_list): Fix typo.
4063 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4065 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
4068 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
4070 * version.c: Bump for snapshot.
4072 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
4074 * version.c: Bump for snapshot.
4076 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
4078 * version.c: Bump for snapshot.
4080 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4082 * invoke.texi (C Dialect Options): Put back missing @end itemize.
4084 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4086 * configure.in: remove usage of `!' to negate the result of a
4087 command; some common shells do not support it
4089 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4091 * configure.in: in sparc9-sol2 config, use 'if test' not
4093 * configure: Rebuilt.
4095 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
4097 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
4098 (CPP_CPU_DEFAULT_SPEC): Likewise.
4099 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
4100 for arch64 libfuncs.
4102 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
4105 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4107 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
4109 * collect2.c: Don't declare `sys_siglist' here.
4110 (my_strsignal): Prototype and define new function. Use it in
4111 place of `sys_siglist' hacks.
4113 * mips_tfile.c: Likewise.
4115 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
4116 (GCC_NEED_DECLARATIONS): Likewise.
4118 * system.h (strsignal): Prototype it, if necessary.
4119 (sys_siglist): Declare it, if necessary.
4121 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4123 * loop.c (move_movables): While removing insn sequences, preserve
4124 the next pointer of the most recently deleted insn when we skip
4127 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
4129 * objc/config-lang.in: Do not output the name of the selected
4130 thread file when building the front-end. The Makefile for the
4131 runtime library will do this.
4133 * objc/Make-lang.in: Do not build the runtime library or install
4134 the Objective C header files. The Makefile for the runtime
4135 library will do this.
4137 * objc/Makefile.in (all.indirect): Only build the front-end.
4138 (compiler): Rename to `frontend'.
4139 (obj-runtime): Remove target.
4140 (copy-headers): Likewise.
4141 (clean): No need to remove `libobjc.a' any longer.
4143 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
4145 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
4146 supported with -mcpu=xxx.
4148 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4150 * flow.c (mark_set_1): Recognize multi-register structure return
4151 values in CALL insns.
4152 (mark_used_regs): Likewise.
4153 (count_reg_sets_1): Likewise.
4154 (count_reg_references): Likewise.
4155 * rtlanal.c (note_stores): Likewise.
4156 (reg_overlap_mentioned_p): Likewise.
4157 * haifa-sched.c (check_live_1): Likewise.
4158 (update_live_1): Likewise.
4159 (sched_analyze_1): Likewise.
4160 (sched_note_set): Likewise.
4161 (birthing_insn_p): Likewise.
4162 (attach_deaths): Likewise.
4164 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
4167 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
4169 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
4171 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4173 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
4175 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4177 * configure.in: Add check for GAS subsection -1 support.
4178 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
4179 * configure config.in: Rebuilt.
4180 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
4181 SImode is subsection -1 works, else use DImode.
4182 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
4183 subsection -1 works.
4184 * config/sparc/sparc.c (sparc_output_addr_vec,
4185 sparc_output_addr_diff_vec): Use them if defined.
4187 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
4189 * tree.h (DECL_ORIGIN): New macro.
4190 * integrate.c (copy_and_set_decl_abstract_origin): New function.
4191 (copy_decl_list): Use it.
4192 (integrate_parm_decls): Likewise.
4193 (integrate_decl_tree): Likewise.
4194 * dwarf2out.c (decl_ultimate_origin): Simplify.
4195 * dwarfout.c (decl_ultimate_origin): Likewise.
4196 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
4197 (pushdecl): Likewise.
4199 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
4201 * config/rs6000/rs6000.c (output_epilog): Add Java support.
4203 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
4205 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
4207 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
4209 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
4210 empty or has a single entry.
4212 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
4213 before calling reg_to_stack.
4215 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
4217 * alpha.c (alphaev5_insn_pipe): Abort on default case.
4218 (alphaev5_next_group): Swallow CLOBBERs and USEs.
4220 * c-tree.h (warn_long_long): Declare it.
4222 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
4224 * emit-rtl.c (gen_lowpart_common): Disable optimization of
4225 initialized float-int union if the value is a NaN.
4227 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
4229 * c-lex.c (real_yylex): Don't warn about long long constants if
4230 we're allowing long long
4232 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4234 * except.h (current_function_eh_stub_label): Declare.
4235 (current_function_eh_old_stub_label): Declare.
4236 * function.h (struct function): New members eh_stub_label and
4238 * except.c (current_function_eh_stub_label): New variable.
4239 (current_function_eh_old_stub_label): New variable.
4240 (init_eh_for_function): Clear them.
4241 (save_eh_status): Save them.
4242 (restore_eh_status): Restore them.
4243 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
4244 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
4245 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
4246 make an edge from the block that contains it to the block starting
4247 with the label if this label is one of the eh stub labels.
4248 If eh stub labels exist, show they are reachable from the last block
4251 * reload1.c (reload): Break out several subroutines and make some
4253 (calculate_needs_all_insns): New function, broken out of reload.
4254 (calculate_needs): Likewise.
4255 (find_reload_regs): Likewise.
4256 (find_group): Likewise.
4257 (find_tworeg_group): Likewise.
4258 (something_needs_reloads): New global variable, formerly in reload.
4259 (something_needs_elimination): Likewise.
4260 (caller_save_spill_class): Likewise.
4261 (caller_save_group_size): Likewise.
4262 (max_needs): Likewise.
4263 (group_size): Likewise.
4264 (max_groups): Likewise.
4265 (max_nongroups): Likewise.
4266 (group_mode): Likewise.
4267 (max_needs_insn): Likewise.
4268 (max_groups_insn): Likewise.
4269 (max_nongroups_insn): Likewise.
4270 (failure): Likewise.
4272 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
4274 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
4276 * loop.c (load_mems): Copy rtx for output mem.
4278 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
4280 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
4281 mips1 or mips2 either.
4283 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
4285 * pa.c (pa_reorg): New marking scheme for jumps inside switch
4287 (pa_adjust_insn_length): Update to work with new marking scheme
4288 for jumps inside switch tables.
4289 * pa.md (switch_jump): Remove pattern.
4290 (jump): Handle jumps inside jump tables.
4292 * Makefile.in (profile.o): Depend on insn-config.h
4294 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
4296 * iris6.h (DWARF2_UNWIND_INFO): Undef.
4298 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4300 Add preliminary native sparcv9 Solaris support.
4301 * configure.in: Recognize sparv9-*-solaris2*
4302 * configure: rebuilt
4303 * config.sub: Recognize sparcv9 just like sparc64.
4304 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
4305 config/sparc/sol2-cn.asm: Macroize so it can be shared between
4306 32-bit and 64-bit Solaris systems.
4307 * config/sparc/t-sol2: Assemble those with cpp.
4308 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
4309 (*TF*_LIBCALL): If ARCH64 use V9 names.
4310 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
4312 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4314 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
4315 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
4317 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
4319 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
4320 to Pmode if CASE_VECTOR_MODE is something else.
4322 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
4324 * prefix.c (update_path): Correctly handle cases where PATH is
4325 a substring of the builtin prefix, but specifies a different
4328 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
4330 * expr.c: Corrected comment about what MOVE_RATIO does.
4331 * config/alpha/alpha.h: Ditto.
4332 * config/1750a/1750a.h: Ditto.
4333 * config/clipper/clipper.h: Ditto.
4334 * config/i386/i386.h: Ditto.
4336 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
4338 * configure.in (m68k-next-nextstep3*): Use collect2.
4339 Similarly for x86 NeXT configurations.
4340 * configure: Rebuilt.
4342 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
4344 * configure.in: Don't assume srcdir is .../gcc
4345 * configure: Rebuilt.
4347 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
4349 * global.c: Update comments.
4350 (global_alloc): Assign allocation-numbers
4351 even for registers allocated by local_alloc in case
4352 they are later spilled and retry_global_alloc is called.
4353 (mark_reg_store, mark_reg_clobber,
4354 mark_reg_conflicts, mark_reg_death): Always record a
4355 conflict with a pseudo register even if it has been
4356 assigned to a hard register.
4357 (dump_conflicts): Don't list pseudo registers already assigned to
4358 a hard register as needing to be allocated, but do list their
4360 * local-alloc.c: Update comment.
4362 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
4364 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
4365 * configure: Rebuilt.
4367 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
4369 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
4371 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
4372 for all targets that set -msoft-float.
4374 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4376 * toplev.c (print_switch_values): Make static to match prototype.
4378 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
4380 * configure.in: If we are unable to find the "gnatbind" program,
4381 then do not configure the ada subdir.
4382 * configure: Rebuilt.
4384 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
4386 * version.c: Bump for snapshot.
4388 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
4390 * version.c: Bump for snapshot.
4392 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4394 * Makefile.in (toplev.o): Depend on $(EXPR_H).
4395 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
4397 * gansidecl.h: Define ATTRIBUTE_NORETURN.
4399 * genattrtab.c: Have insn-attrtab.c include toplev.h.
4401 * genextract.c: Have insn-extract.c include toplev.h.
4403 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
4405 * toplev.c: Include expr.h.
4406 (really_sorry, fancy_abort): Remove prototypes.
4407 (set_target_switch): Add argument in prototype.
4408 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
4409 (v_really_sorry): Likewise.
4410 (print_version, print_single_switch, print_switch_values): Make
4411 static and add prototype arguments.
4412 (decl_printable_name): Add prototype arguments.
4413 (lang_expand_expr_t): New typedef.
4414 (lang_expand_expr): Declare as a lang_expand_expr_t.
4415 (incomplete_decl_finalize_hook): Add prototype argument.
4416 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
4417 (botch): Likewise for variable `s'.
4418 (rest_of_type_compilation): Mark variables `type' and `toplev'
4419 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
4420 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
4421 (display_help): Make variable `i' an `unsigned long'.
4422 (main): Remove unused parameter `envp'.
4423 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
4424 Cast -1 when comparing it with a `size_t'.
4426 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
4427 prototype with ATTRIBUTE_NORETURN.
4428 (fatal_insn_not_found, fatal_insn, really_sorry,
4429 push_float_handler, pop_float_handler): Add prototypes.
4430 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
4431 (do_abort, botch): Add prototypes.
4433 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
4435 * final.c (final): If a label is reached only from a single jump,
4436 call NOTICE_UPDATE_CC on the jump and its predecessor before
4437 emitting the insn after the label.
4439 * i386.h: Add AMD K6 support.
4440 Change TARGET_* macros to use table lookup.
4441 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
4442 (ADJUST_COST): Change definition to call function in i386.c.
4443 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
4444 * i386.c: Add AMD K6 support.
4445 Add constants for feature tests used by TARGET_* macros.
4446 (split_di): If before reload, call gen_lowpart and gen_highpart.
4447 (x86_adjust_cost): New function.
4448 (put_jump_code): New function.
4449 (print_operand): New codes 'D' and 'd'.
4450 * i386.md: New insn types. New insn attribute "memory".
4451 Redefine scheduling parameters to use new types and add AMD K6
4452 support. Explicitly set type of most insns.
4453 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
4454 Pro and K6 prefer movl $1,reg to incl reg.
4455 (adddi3, subdi3): Set cc_status.
4456 (DImode shift patterns): Change label counters from HOST_WIDE_INT
4457 to int; x86 can't have more than 2^31 DImode shifts per file.
4458 (setcc): Combine all setcc patterns. Allow writing memory.
4459 Combine all jump patterns using match_operator.
4460 (*bzero): Name pattern. Emit mutliple stos instructions when that
4461 is faster than rep stos.
4462 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
4465 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
4467 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
4470 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
4472 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
4473 not whatever we're generating now.
4475 * alpha.c (set_frame_related_p, FRP): New.
4476 (alpha_expand_prologue): Mark frame related insns.
4477 (alpha_expand_epilogue): Likewise, but with a null FRP.
4478 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
4479 * alpha.md (exception_receiver): New.
4480 * alpha/crtbegin.asm (.eh_frame): New beginning.
4481 (__do_frame_setup, __do_frame_takedown): New.
4482 * alpha/crtend.asm (.eh_frame): New ending.
4483 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
4484 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
4485 (ASM_FILE_START): Don't emit .file for dwarf2.
4487 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
4488 * rtl.c (reg_note_name): Likewise.
4489 * rtl.texi (REG_NOTES): Likewise.
4490 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
4493 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
4495 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
4496 * i386.md (movsf, movdf, movxf): Validate memory address returned
4497 from force_const_mem. Kill useless REG_EQUAL setting code.
4499 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
4501 * m68k.md (zero_extendsidi2): Fix typo.
4503 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
4505 * configure.in: Removed references to the removed file
4506 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
4507 * arm*-*-netbsd* and ns32k-*-netbsd*.
4508 * config/i386/xm-netbsd.h: Removed unnecessary file.
4509 * config/m68k/xm-netbsd.h: Likewise.
4510 * config/sparc/xm-netbsd.h: Likewise.
4511 * config/mips/xm-netbsd.h: Likewise.
4513 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
4515 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
4516 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
4518 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
4519 for exact section attributions.
4521 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
4523 * i386/crtdll.h (CPP_PREDEFINES): Define.
4525 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
4527 * m68k.md (5200 movqi): Do not allow byte sized memory references
4529 * m68k.c (output_move_qimode): Do not use byte sized operations on
4532 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4533 explicit rules for building. Similarly for alloca, vfprintf,
4534 choose-temp and mkstemp, getopt, getopt1, and obstack.
4535 (INCLUDES): Add $(srcdir)/../include.
4536 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
4537 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
4539 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
4541 * gcc.c (do_spec_1): [case 'o'] Account for
4542 lang_specific_extra_outfiles.
4543 (main): Correctly clear all slots in outfiles for
4544 lang_specific_extra_outfiles. Set input_file_number before
4545 calling lang_specific_pre_link.
4547 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4549 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4551 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4553 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4555 (sparc_output_deferred_case_vectors): If no work to do, return.
4556 Fix thinko in Sept 1 change.
4558 1998-09-03 SL Baur <steve@altair.xemacs.org>
4560 * Makefile.in: add semicolon in BISON definition for portability.
4562 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4564 * config/nextstep.c (handle_pragma): Correct name of third
4567 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4569 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4570 * config/m32r/m32r.h: Make register 17 be fixed.
4571 * config/m32r/m32r.c: Use SImode for cc operations.
4573 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4575 * invoke.texi (Warning Options): Add -Wnon-template-friend
4578 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4580 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4582 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4584 * rs6000.md (movsf): Disable explicit secondary-reload-like
4585 functionality if TARGET_POWERPC64.
4586 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4589 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4591 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4592 and term.h from fixinc.wrap.
4594 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4596 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4597 safe to include both string.h and strings.h together.
4598 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4599 which headers to search for function declarations. Continue to
4600 prefer string.h over strings.h when both are not acceptable.
4602 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4604 * configure.in: Call GCC_HEADER_STRING.
4606 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4607 to include. Continue to prefer string.h over strings.h when both
4610 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4612 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4613 not assume top 32-bits of symbolic addresses are zero if
4616 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4618 * ginclude/va-alpha.h: Protect entire second portion of the
4619 file against double inclusion.
4621 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4623 Added support for the Boehm's garbage collector.
4624 * configure.in: Handle --enable-objc-gc.
4625 * configure: Rebuilt.
4626 * Makefile.in (CHECK_TARGETS): Add check-objc.
4627 (check-objc): New rule.
4628 * objc/Make-lang.in: Build a different Objective-C library that
4629 runs with the Boehm's collector.
4630 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4631 * objc/encoding.c: Correctly compute the size of compound types in
4632 the presence of bitfields. Skip the variable name of the type if
4633 any. Added support for long long.
4634 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4635 (_F_GCINVISIBLE): New mask.
4636 * objc/gc.c: New file. Compute the type memory mask associated with
4637 a class based on the runtime information.
4638 * objc/misc.c: Added the hooks that use the Boehm's collector
4639 allocation functions.
4640 * objc/objc-act.c (build_class_template): Generate a new class
4641 member (gc_object_type) to hold the class' type memory mask.
4642 (build_shared_structure_initializer): Initialize the new member to
4644 (encode_complete_bitfield): New function. Generate the new
4646 (encode_field_decl): Generate the new encoding only for the GNU
4648 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4650 (class_get_gc_object_type): New function to mark a pointer instance
4651 variable as a weak pointer.
4652 * objc/objc-features.texi: New file.
4653 * objc/objc.h (gc_object_type): New class member.
4654 * objc/objects.c (class_create_instance): Create a typed memory
4655 object when compiled with Boehm's collector support.
4656 * objc/sendmsg.c (__objc_init_install_dtable): Call
4657 __objc_send_initialize instead of setting the initialize flag.
4658 (__objc_send_initialize): Call __objc_generate_gc_type_description
4659 to generate the class type memory mask. Rewrite the code that
4660 sends the +initialize so that it is called only once (bug report
4661 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4662 * testsuite/objc: New testsuite for Objective-C type encoding.
4663 * testsuite/lib/objc-torture.exp: New file.
4664 * testsuite/lib/objc.exp: New file.
4666 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4668 * jump.c (jump_optimize): In if/then/else transformations, add
4669 another call to modified_between_p for the jump insn.
4671 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4673 * fix-header.c (symlink): Treat like readlink.
4675 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4677 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4680 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4682 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4683 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4684 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4686 * config/nextstep.c (handle_pragma): Take three arguments, as per
4687 the new HANDLE_PRAGMA macro specification.
4688 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4689 per the new HANDLE_PRAGMA macro specification.
4690 * config/i960/i960.c (process_pragma): Take three arguments, as
4691 per the new HANDLE_PRAGMA macro specification.
4693 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4695 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4696 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4697 if unknown pragmas are encountered.
4698 (handle_sysv_pragma): Interpret return code from
4699 handle_pragma_token (). Return success/failure indication rather
4700 than next unprocessed character.
4701 (pragma_getc): New function: retrieves characters from the
4702 input stream. Defined when HANDLE_PRAGMA is enabled.
4703 (pragma_ungetc): New function: replaces characters back into the
4704 input stream. Defined when HANDLE_PRAGMA is enabled.
4706 * c-pragma.c (handle_pragma_token): Return success/failure status
4709 * c-pragma.h: Change prototype of handle_pragma_token().
4711 * varasm.c: (handle_pragma_weak): Only create this function if
4712 HANDLE_PRAGMA_WEAK is defined.
4714 * c-common,c (decl_attributes): If defined call the expression
4715 contained within the INSERT_ATTRIBUTES macro before adding
4716 attributes to a decl.
4718 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4719 HANDLE_PRAGMA, which takes three arguments.
4720 (INSERT_ATTRIBUTES): Document this new macro.
4722 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4723 new INSERT_ATTRIBUTES macro.
4725 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4727 * config/sparc/sparc.md (movdf): Only generate special RTL for
4728 LABEL_REFs when PIC.
4729 (move_label_di): Remove
4730 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4731 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4732 references when PIC.
4733 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4734 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4735 output an .xword for all 64-bit cases.
4737 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4739 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4740 alignment, use FUNCTION_BOUNDARY instead.
4741 (sparc_output_deferred_case_vectors): Likewise.
4743 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4745 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4746 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4748 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4750 * alpha/va_list.h: New file.
4751 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4753 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4755 * NEWS: Add SCO Openserver and Unixware 7 notes.
4759 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4761 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4762 (record_constant_1): Handle RANGE_EXPR.
4764 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4766 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4767 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4768 and NOTE_INSN_RANGE_END specially.
4769 (reemit_notes): Likewise.
4771 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4773 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4774 (ultrasparc_sched_init): Remove unneeded &.
4776 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4778 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4779 for m68020-60, to prevent the use of fintrz.
4781 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4783 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4785 * Makefile.in: Likewise.
4786 * configure: Regenerated.
4788 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4790 * configure.in (gxx_include_dir): Changed to
4791 '${prefix}/include/g++'-${libstdcxx_interface}.
4792 * configure: Rebuilt.
4794 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4796 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4798 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4799 *sequences* *below* which scalar moves will be used.
4801 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4803 * collect2.c (mktemp): Delete unused declaration.
4805 * config/xm-netbsd.h: Remove unnecessary file.
4806 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4807 file anymore, it is not needed.
4809 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4811 * convert.c (convert_to_integer): Issue an error on conversions to
4814 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4816 * Makefile.in: Add lang_tree_files and gencheck.h.
4817 * configure.in: Generate them.
4818 * gencheck.c: Include gencheck.h.
4820 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4822 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4823 movdi_lo_sum_pic and movdi_high_pic and make visible.
4824 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4825 emit these when Pmode is not SImode.
4826 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4828 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4830 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4831 .linkonce directive after the first time.
4833 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4835 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4836 the clobbered operand overlaps with an input.
4837 (bne0_di): Similarly.
4839 * Makefile.in (INSTALL): Remove "--no-header" argument.
4841 * NEWS: Various updates.
4843 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4845 * config/sparc/sparc.c (arith_operand, const64_operand,
4846 const64_high_operand, arith_double_4096_operand): Mark mode as
4848 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4850 (sparc_emit_set_const64): Remove unused variable i.
4851 (sparc_splitdi_legitimate): Likewise for addr_part.
4852 (ultra_code_from_mask): Likewise for mask.
4853 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4854 reverse return values so it matches usage and comments.
4855 (ultra_flush_pipeline): Likewise.
4856 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4857 this_type, and allow loads and stores of differing FP modes as
4858 they do not create a conflict.
4859 (ultra_find_type): Initialize fpmode to SFmode, fix
4860 parenthesization thinkos in large conditional.
4861 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4862 Init free_slot_mask after ultra_cur_hist is reset, not before.
4863 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4864 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4865 use ultra_flush_pipeline instead, then re-init group pointer.
4866 Fix statement with no effect. If no progress made in, and no
4867 instructions scheduled at all, advance to new pipeline cycle else
4868 we get into an endless loop.
4869 (ultrasparc_adjust_cost): Remove previous arg.
4870 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4872 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4874 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4875 code. Use reg_overlap_mentioned_p to detect when source and
4876 destination overlap.
4877 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4879 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4881 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4882 COMPARISON_VAL, into invariant_p.
4884 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4886 * regmove.c (regclass_compatible_p): New function.
4887 (regmove_optimize): Use it.
4889 Use NREGS parameter insted of calling max_reg_num.
4891 (fixup_match_1): Don't use code = MINUS when later tieing with
4892 a hard register is likely.
4894 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4896 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4897 COMPARISON_VAL was normalized.
4899 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4901 * loop.c (check_dbra_loop): The loop ending comparison value
4902 must be an invariant or we can not reverse the loop.
4904 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4905 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4907 (load_mems_and_recount_loop_regs_set): Likewise.
4909 * i386.c (print_operand): Remove obsolete 'c' docs.
4911 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4913 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4914 * frame.c (init_object_mutex): New function.
4915 (init_object_mutex_once): Likewise.
4916 (find_fde): Call it.
4917 (__register_frame_info): Likewise.
4918 (__register_frame_info_table): Likewise.
4919 (__deregister_frame_info): Likewise.
4921 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4923 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4925 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4927 * loop.c (check_dbra_loop): Enable code for reversal
4928 of some loops without a known constant loop end.
4930 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4932 * haifa-sched.c (last_clock_var): New.
4933 (schedule_block): Initialize it.
4934 (schedule_insn): Use it to fill insn modes with issue information.
4936 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4937 Tag trapb and next insn with TImode.
4938 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4939 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4940 Invoke alphaev5_align_insns as appropriate.
4941 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4942 (MD_SCHED_VARIABLE_ISSUE): New.
4943 * alpha.md (attr type): Add multi.
4944 (define_asm_attributes): New.
4945 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4946 (arg_home): Likewise.
4947 (fnop, unop, realign): New.
4949 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4951 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4952 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4954 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4955 (rs6000-ibm-aix4.[12]*): Likewise.
4956 * configure: Regnerate.
4958 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4960 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4961 already contains the return address.
4963 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4965 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4966 word sized hunks when loading unaligned args into registers.
4968 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4969 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4971 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4973 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4975 * loop.c (check_dbra_loop): Add some code that would allow reversal
4976 of some loops without a known constant loop end if it were enabled.
4978 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4980 * mips.md (lshrsi3_internal2+2): Fix type-o.
4982 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4984 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4985 correctly with regards to stdio.h.
4987 * calls.c: Remove stdarg.h/varargs.h.
4990 * combine.c: Likewise.
4991 * cpperror.c: Likewise.
4992 * cpplib.c: Likewise.
4993 * cpplib.h: Likewise.
4994 * doprint.c: Likewise.
4995 * emit-rtl.c: Likewise.
4996 * final.c: Likewise.
4997 * fix-header.c: Likewise.
4999 * genattr.c: Likewise.
5000 * genattrtab.c: Likewise.
5001 * gencodes.c: Likewise.
5002 * genconfig.c: Likewise.
5003 * genemit.c: Likewise.
5004 * genextract.c: Likewise.
5005 * genflags.c: Likewise.
5006 * genopinit.c: Likewise.
5007 * genoutput.c: Likewise.
5008 * genpeep.c: Likewise.
5009 * genrecog.c: Likewise.
5010 * mips-tfile.c: Likewise.
5011 * prefix.c: Likewise.
5012 * protoize.c: Likewise.
5013 * regmove.c: Likewise.
5014 * toplev.c: Likewise.
5017 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5019 * config/sparc/sparc.c (sparc_override_options): If not
5020 TARGET_FPU, turn off TARGET_VIS.
5021 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
5022 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
5023 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
5024 (movdi_insn_sp64): Add VIS fzero alternative.
5025 (clear_sf, clear_df): New VIS patterns.
5026 (movsf, movdf expanders): Allow fp_zero_operand flat out when
5028 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
5030 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
5032 * loop.c (n_times_set, n_times_used, may_not_optimize,
5033 reg_single_usage): Convert to varrays. All uses changed.
5034 (insert_loop_mem): Return a value.
5035 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
5036 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
5039 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
5042 * configure.in: Do not set thread_file to "irix" since no such
5045 * sparc.md (float abs/neg splits): Check reload_completed before
5046 calling alter_subreg.
5048 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5050 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
5052 * config/sparc/sparc.h: Declare it.
5053 * config/sparc/sparc.md (float abs/neg splits): Use it.
5054 (all other splits): Handle SUBREGs properly where necessary.
5055 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
5057 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
5059 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
5060 an insn on the unfilled_slots_list that has no delay slots.
5061 (fill_eager_delay_slots): Similarly.
5063 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
5065 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
5066 as an ordinary operand.
5068 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
5070 * tree.c (valid_machine_attribute): Don't apply attributes to both
5073 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
5075 * reload.c (operands_match_p): Handle rtvecs.
5077 * i386.c (legitimate_pic_address_disp_p): New.
5078 (legitimate_address_p): Use it.
5079 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
5080 Handle constant pool symbols just like statics.
5081 (emit_pic_move): Use Pmode not SImode for clarity.
5082 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
5083 [UNSPEC]: New, handling what we killed above.
5084 [PLUS]: Detect and abort on invalid symbol arithmetic.
5085 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
5087 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
5089 * alias.c: Include output.h.
5090 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
5091 different if we're in a varargs function.
5092 * Makefile.in (alias.o): Depend on output.h
5094 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5096 * sh.h (GIV_SORT_CRITERION): Delete.
5098 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
5100 * regclass.c (regclass): Use xmalloc/free instead of alloca.
5101 * stupid.c (stupid_life_analysis): Ditto.
5102 * reload1.c (reload): Ditto.
5104 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5106 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
5107 arith_double_4096_operand, arith_double_add_operand): New
5109 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
5110 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
5111 them to transform add/sub 4096 into add/sub -4096.
5113 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5115 * loop.c (scan_loop): Allocate some slop to handle pseudos
5116 generated by move_movables.
5117 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
5120 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
5122 * tree.def (DECL_RESULT): Correct documentation.
5124 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5126 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
5127 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
5128 conflicts will all RELOAD_FOR_OUTPUT reloads.
5130 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
5131 loads the function result, substitute with a USE.
5133 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5135 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
5136 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
5137 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
5138 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
5139 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
5140 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
5142 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
5143 'o' to 'm' for GPR variant constraints.
5145 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
5147 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
5149 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
5151 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
5152 when the source and destination overlap.
5154 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
5155 clash with global type.
5157 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
5159 * fixinc.irix: Add curses.h handling from fixinc.wrap.
5161 * c-common.c (combine_strings): Also set TREE_READONLY.
5162 Change warn_write_strings to flag_const_strings.
5163 * c-decl.c, c-tree.h: Likewise.
5165 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5167 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
5168 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
5169 sequence, use SET/IOR instead so CSE can see it.
5170 * config/sparc/sparc.md (movhi_const64_special,
5171 movsi_const64_special): New patterns necessitated by that change.
5172 (movhi_high): Remove.
5173 (movhi_lo_sum): Change to match an IOR.
5174 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
5175 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
5176 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
5177 (movdf splits): Allow when not V9 or when not ARCH64 and integer
5178 registers are involved.
5179 (snesi_zero_extend split): Remove reload_completed test.
5180 (unnamed plus and minus zero_extend sidi splits): Add it.
5182 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
5184 * extend.texi: Remove description of extension to explicit
5185 instantiation that is now endorsed by standard C++.
5187 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5189 * config/arc/arc.c (arc_initialize_pic): Remove.
5190 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
5191 nothing on any platform and is invoked by no-one, it does not even
5192 appear in the documentation.
5193 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
5194 * config/sparc/sparc.c (initialize_pic): Likewise.
5195 (find_addr_reg): Remove this as well, no longer referenced after
5198 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
5200 * recog.c (validate_replace_rtx_group): New function.
5201 * recog.h (validate_replace_rtx_group): Declare it.
5202 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
5203 the entire group of substitutions.
5205 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
5207 * loop.c (load_mems): Fix initializers.
5209 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5211 * config/sparc/sparc.md (TFmode splits): Handle destination
5212 registers being referenced in the address correctly.
5214 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
5215 TREE_UNSIGNED, when bitsize of type's mode is larger than
5216 HOST_BITS_PER_WIDE_INT.
5218 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5220 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
5221 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
5222 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
5224 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
5227 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
5229 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
5230 * h8300.h (TINY_DATA_NAME_P): Likewise.
5231 (STRIP_NAME_ENCODING): Handle '&'.
5233 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
5234 register (it could be accessed via an outer SUBREG).
5235 (REG_OK_FOR_BASE_P): Likewwise.
5236 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
5238 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
5241 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
5243 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5245 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
5246 must be offsettable so the splits can be made.
5248 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
5250 * config/i386/winnt.c: Include system.h, not stdio.h to get
5251 sys/param.h pulled in before rtl.h in case the system defines MIN
5254 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
5256 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
5258 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
5260 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
5262 * cpplib.c (cpp_define): Handle macros with parameters.
5264 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5266 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
5267 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
5268 and DImode 64-bit. Use llong for minimal-toc SFmode and
5269 SYMBOL_REF / LABEL_REF 64-bit.
5270 (output_function_profiler): Use llong for profiler label and ld to
5271 load 64-bit label address.
5273 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
5275 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
5278 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
5280 * version.c: Bump for snapshot.
5282 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
5284 * version.c: Bump for snapshot.
5286 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
5288 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
5290 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
5292 * tm.texi (Misc): Fix typo "teh".
5294 * tm.texi (PIC): Fix typo "PPIC".
5296 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
5297 effect when -O2 and higher.
5298 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
5300 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
5302 * regclass.c: Changed register set documentation to be consistent
5305 * final.c (final_start_function) Removed redundant test for
5308 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
5310 * rtl.h (rtx_function): New type.
5311 (for_each_rtx): New function.
5312 * rtlanal.c (for_each_rtx): Define it.
5314 * recog.c (change_t): New type.
5315 (change_objects, change_old_codes, change_locs, change_olds):
5317 (changes): New variable.
5318 (validate_change): Dynamically allocate room for more changes, if
5319 necessary. Uses changes array instead of change_objects, etc.
5320 (apply_change_group): Use changes array instead of
5321 change_objects, etc.
5323 * loop.c (loop_mem_info): New type.
5324 (loop_mems): New variable.
5325 (loop_mems_idx): Likewise.
5326 (looop_mems_allocated): Likewise.
5327 (scan_loop): Remove nregs parameter.
5328 (next_insn_in_loop): New function.
5329 (load_mems_and_recount_loop_regs_set): Likewise.
5330 (load_mems): Likewise.
5331 (insert_loop_mem): Likewise.
5332 (replace_loop_mem): Likewise.
5333 (replace_label): Likewise.
5334 (INSN_IN_RANGE_P): New macro.
5335 (loop_optimize): Don't pass max_reg_num() to scan_loop.
5336 (scan_loop): Remove nregs parameter, compute it after any new
5337 registers are created by load_mems. Use INSN_IN_RANGE_P and
5338 next_insn_in_loop rather than expanding them inline. Call
5339 load_mems to load memory into pseudos, if appropriate.
5340 (prescan_loop): Figure out whether or not there are jumps from the
5341 loop to targets other than the label immediately following the
5342 loop. Call insert_loop_mem to notice all the MEMs used in the
5343 loop, if it could be safe to pull MEMs into REGs for the duration
5345 (strength_reduce): Use next_insn_in_loop. Tweak comments.
5347 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
5349 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
5351 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5353 * config/sparc/sparc.c (finalize_pic): Check for the correct
5354 nonlocal_goto_receiver UNSPEC number.
5355 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
5356 making note of this dependency existing in sparc.c
5357 (negtf2_notv9 split): Give NEG SFmode.
5358 (negsf2): Fix insn output string.
5360 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
5362 * c-common.c (decl_attributes): Issue an error if the argument
5363 to alias is not a string.
5365 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
5367 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
5368 pending memory flush list.
5370 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
5372 (try_combine): Allow combining insns with REG_LIBCALL notes.
5374 * expr.c (emit_block_move): Do not call memcpy as a libcall
5375 instead build up a CALL_EXPR and call it like any other
5377 (clear_storage): Similarly for memset.
5379 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
5382 * Makefile.in (cplus-dem.o): Provide explicit rules for building
5385 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
5386 and REG_LIVE_LENGTH as successful substitutions are made.
5388 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5390 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
5391 statement after end of loop label.
5393 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5395 * config/sparc/sparc.c (ultra_types_avail): New variable.
5396 (ultra_build_types_avail): New function to record mask of insn
5397 types in ready list at this cycle.
5398 (ultrasparc_sched_reorder): Call it.
5399 (ultra_find_type): Use it to quicken the search. Also simplif
5400 dependency check, don't use rtx_equal_p because we know exactly
5401 what we are looking for.
5403 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
5405 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
5406 for architecture v4.
5408 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5410 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
5412 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
5413 movdf_const_intreg and helper splits): New patterns to move float
5414 constants into integer registers.
5415 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
5418 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
5421 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
5423 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
5425 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
5426 a BASE_REGS register is needed as an intermediate when copying
5427 a symbolic value into any register class other than BASE_REGS.
5429 * expr.c (move_by_pieces): No longer static. Remove prototype.
5430 * rtl.h (move_by_pieces): Add extern prototype.
5431 * mips.c (expand_block_move): Handle aligned straight line copy by
5432 calling move_by_pieces.
5434 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
5437 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
5439 * stmt.c (expand_end_loop): Tidy. Allow unconditional
5440 jumps out of the loop to be treated as part of the exit test.
5442 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5443 Jeff Law <law@cygnus.com>
5445 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
5446 * cplus-dem.c: Delete.
5448 * Makefile.in (fold-const.o): depend on $(RTL_H).
5450 * fold-const.c: Include rtl.h to get the prototype for
5451 `set_identifier_local_value'.
5453 * loop.c (express_from_1): Remove unused variable `tmp'.
5454 (combine_givs): cast the first argument of bzero to char *.
5456 * toplev.c (display_help): Remove unused variable `looking_for_start'.
5458 * c-decl.c (init_decl_processing): Remove unneeded &.
5460 * alpha.h (alpha_initialize_trampoline): Provide prototype.
5462 * except.c (set_exception_lang_code, set_exception_version_code):
5463 Change parameter from `short' to `int' to avoid using a gcc
5466 * except.h (set_exception_lang_code, set_exception_version_code):
5467 Likewise for prototypes.
5469 * flow.c (count_reg_references): Remove unused variables `regno'
5472 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
5474 * prefix.c (translate_name): Cast the result of `alloca'.
5476 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
5478 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5480 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
5482 (valid_dbcc_comparison_p): Mark mode argument as unused.
5483 (symbolic_operand): Likewise.
5484 (legitimize_pic_address): Likewise.
5485 (const_uint32_operand): Likewise.
5486 (const_sint32_operand): Likewise.
5487 * sched.c [!INSN_SCHEDULING]: Define only dummy function
5488 schedule_insns and comment out rest of file.
5490 * m68k.c (output_move_simode_const): Use subl to move a zero into an
5492 (output_move_[hq]imode): Likewise.
5494 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
5496 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
5497 * invoke.texi: Corresponding changes.
5499 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
5501 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
5503 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5505 * config/sparc/sparc.c (ultra_code_from_mask,
5506 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
5507 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
5508 ultrasparc_sched_init, ultrasparc_variable_issue,
5509 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
5510 functions to describe UltraSPARC pipeline exactly to Haifa.
5511 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
5512 as there is nothing the scheduler can do about it. Indicate that
5513 REG_DEP_OUTPUT's collide. Fixup formatting.
5514 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
5515 divide costs on Ultra for DImode.
5516 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
5518 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
5519 ieuN and add call_no_delay_slot to type list.
5520 (cti function unit): New unit for branches on UltraSPARC.
5521 (subx/addx insns): Set type to misc.
5522 (sidi zero/sign extension insns on arch64): Set type to shift.
5523 (sign_extendhidi2_insn): Set type to sload.
5525 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
5527 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
5528 (output_epilog): Use if != 0 for offset.
5529 (rs6000_fatal_bad_address): Prepare for Intl.
5530 * rs6000.h (rs6000_fatal_bad_address): Declare.
5531 * rs6000.md (movsfcc, movdfcc): Use else if.
5532 (elf_high): Use {liu|lis}.
5533 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
5534 (movsi): Use rs6000_fatal_bad_address.
5536 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
5538 * reload.c (find_equiv_reg): Reject equivalences separated
5539 by a volatile instruction.
5541 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5543 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
5545 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
5547 * alpha.md (movsicc): Fix mode mismatch.
5549 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5551 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5553 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5555 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5557 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5558 write-only modifier from operand 1 constraint.
5560 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5562 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5563 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5565 (sparc_emit_set_const64): Likewise, also when computing trailing
5566 bits do not negate low_bits and make fast_int an int.
5568 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5570 * loop.c (add_label_notes): Do not ignore references to labels
5571 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5572 * gcse.c (add_label_notes): Similarly.
5574 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5576 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5577 (adddi_dishl32): Similarly.
5579 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5581 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5582 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5583 * cse.c (cse_basic_block): Add parens to shut up warnings.
5585 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5587 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5588 sparc_emit_set_const64_longway, const64_is_2insns,
5589 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5590 in 64-bit constant formation.
5591 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5592 rtl for addx not subx.
5593 (define_insn movdi_const64_special): Make available even when
5594 HOST_BITS_PER_WIDE_INT is not 64.
5595 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5596 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5597 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5598 instances of operand 1 inside a QI subreg.
5599 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5600 (one_cmpldi2_sp64): Fix output string.
5601 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5603 (unnamed arch64 ashift DI): Truncate shift count if greater than
5606 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5608 * expr.c (store_expr): Don't optimize away load-store pair
5609 when either source or destination have a side effect.
5611 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5613 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5614 operands of SET are incompatible.
5616 * alpha.md: Fix max and min patterns so modes of SET operands match.
5618 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5620 * configure.in: Avoid [[ by using test and changequote.
5621 * configure: Rebuild.
5623 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5625 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5627 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5628 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5629 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5630 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5631 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5632 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5633 Fix mismatching modes in SET operands.
5634 (conditional move patterns): Fix formatting.
5635 (unnamed subx arch64 pattern): Remove duplicate insn.
5637 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5639 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5640 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5641 (input_operand): Fixup test for what we accept for constant
5643 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5645 (safe_constDI): Remove.
5646 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5647 gen_safe_XOR64): New functions.
5648 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5649 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5651 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5652 available when HOST_BITS_PER_WIDE_INT is not 64.
5653 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5654 move before movdi_insn_sp64 pattern.
5655 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5656 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5657 symbolic_operand as predicate for second operand.
5658 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5659 expander): Give set VOIDmode.
5661 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5663 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5665 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5667 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5669 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5671 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5673 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5675 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5677 * install.texi: Various SCO OpenServer tweaks.
5679 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5681 * reload1.c (eliminate_regs_in_insn): Handle another case when
5682 eliminating the frame pointer to the hard frame pointer. Add
5683 missing ep->to_rtx check to one existing case.
5685 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5687 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5689 * tree.h: De-conditionalize init_priority code.
5691 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5692 * collect2.c (NM_FLAGS): Change from -p to -n.
5694 * configure.in: Turn on collect2 for mipstx39-elf.
5695 Handle use_collect2=no properly.
5697 * c-common.c: De-conditionalize init_priority code.
5698 * collect2.c (extract_init_priority, sort_ids): New fns.
5699 (main): Call sort_ids.
5700 Move sequence_number to file scope.
5702 * configure.in: Handle --enable-init-priority.
5703 * c-common.c (attrs): Add A_INIT_PRIORITY.
5704 (init_attributes, decl_attributes): Likewise.
5705 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5706 * tree.c (get_file_function_name_long): Split out...
5707 (get_file_function_name): ...from here.
5709 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5711 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5714 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5716 * toplev.c (display_help): Add braces to shut up warnings.
5717 * tree.c (simple_cst_equal): Likewise.
5719 * fold-const.c (non_lvalue): Don't deal with null pointer
5721 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5723 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5724 of any size to a pointer.
5726 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5728 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5730 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5732 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5733 which will be saved.
5734 * mn10300.md (prologue insn): Only save registers which need saving.
5735 (epilogue insn): Similarly.
5737 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5740 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5742 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5743 VAR_DECL's in gp addressable sections.
5745 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5747 * sparc.c: Change return <exp> to <exp>; return; in functions
5749 * sparc.md: Add empty semicolon statement after final label in
5752 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5754 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5755 addx_extend_sp64, only allow when TARGET_ARCH64.
5756 (define_insn addx_extend_sp32 and split): Version that works when
5758 (define_insn subx_extend): Likewise.
5759 (define_split adddi3 and subdi3 with zero extension): Fixup and
5760 correct bugs when not TARGET_ARCH64.
5762 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5764 * except.c (set_exception_lang_code, set_exception_version_code):
5765 Use prototype-style definition if __STDC__, to match declaration
5768 * genemit.c: Change FAIL and DONE macros not to use loops.
5770 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5772 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5773 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5775 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5777 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5779 * README.g77: Update from Craig.
5781 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5783 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5785 (safe_constDI sparc_emit_set_const64_quick1,
5786 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5787 analyze_64bit_constant, const64_is_2insns,
5788 create_simple_focus_bits): Fix some bugs when compiled on real
5790 (function_arg_record_value_3, function_arg_record_value_2,
5791 function_arg_record_value): Add fully prototyped forward decls.
5792 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5793 to cmpsi_insn and use on both 64 and 32 bit targets.
5794 (define_insn cmpsi_insn_sp64): Remove.
5795 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5796 (define_insn zero_extendsidi2_insn): Rename to
5797 zero_extendsidi2_insn_sp64.
5798 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5799 assosciated forced split for it.
5801 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5803 * config/sparc/sparc.h: Declare them.
5804 (PREDICATE_CODES): Add them.
5805 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5806 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5808 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5810 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5811 in v9 case as the latter makes the Solaris assembler crash.
5813 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5815 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5816 for TFmode when !v9. We require offsettable memory addresses.
5817 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5818 DFmode register number conversions.
5819 * config/sparc/sparc.md (define_split DFmode moves): If register
5820 is a SUBREG do alter_subreg on it before using.
5821 (define_expand movtf): Fixup comment about alignment on v9.
5822 (define_split TFmode moves): Don't use gen_{high,low}part, create
5823 explicit SUBREGs instead.
5825 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5827 * Makefile.in (mbchar.o): Depend on mbchar.c.
5829 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5830 Richard Henderson <rth@cygnus.com>
5832 Rewrite Sparc backend for better code generation and
5833 improved sparc64 support.
5834 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5836 * config/sparc/sysv4.h: Likewise.
5837 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5838 move_operand, v8plus_regcmp_op, emit_move_sequence,
5839 singlemove_string, doublemove_string, mem_aligned_8,
5840 output_move_double, output_move_quad, output_fp_move_double,
5841 move_quad_direction, output_fp_move_quad, output_scc_insn):
5843 (small_int_or_double): New predicate.
5844 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5845 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5846 old pic_{sethi,lo_sum}_si patterns.
5847 (mem_min_alignment): New generic function to replace
5848 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5849 available and can test for arbitrary alignments. All callers
5851 (save_regs, restore_regs, build_big_number,
5852 output_function_prologue, output_cbranch, output_return,
5853 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5854 sparc_flat_output_function_epilogue): Prettify
5856 (output_function_epilogue): Likewise and add code to output
5857 deferred case vectors.
5858 (output_v9branch): Likewise, add new arg INSN and use it to tack
5859 on branch prediction settings. All callers changed.
5860 (print_operand): Likewise and output %l44 for LO_SUMs when
5862 (sparc_splitdi_legitimate): New function to make sure DImode
5863 splits can be run properly when !arch64.
5864 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5865 Reformat example code in comments.
5866 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5867 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5868 of deferred case vectors we need to output.
5869 (sparc_defer_case_vector): Record a case vector.
5870 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5871 sparc_output_deferred_case_vectors): New functions to output them.
5872 (sparc_emit_set_const32): New function to form 32-bit constants in
5873 registers when that requires more than one instruction.
5874 (safe_constDI, sparc_emit_set_const64_quick1,
5875 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5876 analyze_64bit_constant, const64_is_2insns,
5877 create_simple_focus_bits, sparc_emit_set_const64): New functions
5878 which do the same for 64-bit constants when arch64.
5879 (sparc_emit_set_symbolic_const64): New function to emit address
5880 loading for all code models on v9.
5881 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5882 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5883 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5884 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5885 inaccuracies in comments, add symbolic and text_segment operands
5886 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5887 GENERAL_REGS in these cases as a temp REG is needed to load these
5888 addresses into a register properly.
5889 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5891 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5892 quads are guarenteed to have 16-byte alignment.
5893 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5894 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5895 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5896 deferred case vector implementation.
5897 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5898 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5899 Generate "internal label - label" instead of "label - 1b".
5900 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5901 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5902 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5904 (doublemove_string, output_block_move, output_fp_move_double,
5905 output_fp_move_quad, output_move_double, output_move_quad,
5906 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5907 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5908 (sparc_emit_set_const32, sparc_emit_set_const64,
5909 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5910 mem_min_alignment, small_int_or_double): Add externs.
5911 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5912 UNSPEC_VOLATILE in this backend.
5913 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5914 unary to types which execute in it.
5915 (define_function_unit ieu_shift): Rename to ieu0.
5916 (define_function_unit ieu1): New, executes compare, call, and
5917 uncond_branch type insns.
5918 (define_function_units for type fdivs, fdivd, fsqrt): These
5919 execute in the fpu multiply unit not the adder on UltraSparc.
5920 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5921 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5922 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5923 allows the arith_double_operand predicate and rHI constraint when
5925 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5926 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5927 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5928 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5929 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5930 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5931 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5932 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5933 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5934 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5935 sign_extendqihi2_insn, sign_extendqisi2_insn,
5936 sign_extendqidi2_insn, sign_extendhidi2_insn,
5937 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5938 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5939 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5940 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5941 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5942 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5943 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5944 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5945 smulsi3_highpart_v8plus, unnamed subreg mult,
5946 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5947 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5948 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5949 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5950 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5951 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5952 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5953 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5954 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5955 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5956 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5957 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5958 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5959 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5960 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5961 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5962 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5963 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5964 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5965 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5966 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5967 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5968 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5969 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5970 call_address_untyped_struct_value_sp32,
5971 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5972 call_value_symbolic_sp32, call_value_address_sp64,
5973 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5974 flush_register_windows, goto_handler_and_restore,
5975 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5976 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5977 return_addsi, return_di, return_adddi, return_sf, all call+jump
5978 peepholes, trap, unnamed trap insns): Prettify output strings.
5979 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5980 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5981 Likewise and force + implement splits for integer cases.
5982 (define_insn return_sf_no_fpu): Likewise and allow to match when
5983 no-fpu because of our subreg SFmode splits.
5984 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5985 zero_extendqidi2_insn, zero_extendhidi2_insn,
5986 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5987 input_operand for second operand.
5988 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5989 reg_or_0_operand for operand 2 so new splits can use it.
5990 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5991 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5993 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5994 CONST_DOUBLEs for operand 2.
5995 (define_insn move_label_di): Likewise and label distance
5996 optimization because it no longer works with new deferred case
5997 vector scheme. To be revisited.
5998 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5999 and allow reg_or_0_operand and J constraint for second operand.
6000 (define_insn jump): Set branch predict taken on V9.
6001 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
6002 new deferred case vector scheme.
6003 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
6004 (define_insn negdi2_sp32): Force + implement splits.
6005 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
6006 one_cmplsi2_not_liveg0 respectively, and create expander of original
6007 names which emit special rtl for TARGET_LIVE_G0.
6008 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
6009 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
6010 gen_compare_reg, FAIL instead.
6011 (define_insn sgtu, sleu): Likewise and check gen_s*() return
6012 values when trying to reverse condition codes, if they FAIL then
6014 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
6015 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
6016 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
6017 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
6018 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
6019 set output string to # to indicate they are mandatory splits.
6020 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
6021 pic_sethi_di, move_pic_label_si): Remove.
6022 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
6023 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
6025 (define_expand movsi_pic_label_ref, define_insn
6026 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
6027 expander and insns to handle PIC label references and deferred
6029 (define_insn get_pc_via_rdpc): Comment out as it is no longer
6031 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
6032 Rewrite to not use emit_move_sequence, make use of new constant
6033 formation code, and new splits for all multi-insn cases.
6034 (define_insn movqi_insn): Remove sethi case, it can never happen.
6035 Use reg_or_zero_operand instead of const0_rtx explicit test,
6036 use input_operand instead of move_operand for source, and use
6037 general_operand now for dest.
6038 (define_insn movhi_insn): Similar but leave sethi case.
6039 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
6040 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
6041 movhi_lo_sum respectively, prettify output string.
6042 (define_insn movsi_zero_liveg0): New pattern to put zero into a
6043 register when needed on TARGET_LIVE_G0.
6044 (define_insn movsi_insn): Use general_operand and input_operand
6045 for dest and src respectively. Simplify applicability test.
6046 Prettify output strings, and add clr alternative for J
6048 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
6049 deprecated std and reg-reg DI moves): Remove and...
6050 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
6051 implementation which uses forced splits for all non-single insn
6053 (define_split DI move cases on !arch64): New splits to handle all
6054 situations of 64-bit double register DImode on 32bit, and
6055 unaligned registers and memory addresses for all subtargets.
6056 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
6058 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
6059 input_operand for dest and src respectively, prettify output
6061 (define_insn movdf_insn, movdf_no_e_insn, store_df,
6062 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
6064 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
6065 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
6066 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
6067 movtf_no_e_insn_sp64) Replace with new
6068 implementation which uses forced splits for all non-single insn
6070 (define_split DF move cases): New splits in similar vein to DI
6072 (define_insn sethi_di_medlow, sethi_di_medium_pic,
6073 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
6074 movdi_sp64_insn): Remove old v9 code model and constant loading
6076 (define_insn pic_lo_sum_di, pic_sethi_di,
6077 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
6078 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
6079 embmedany_sethi, embmedany_losum, embmedany_brsum,
6080 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
6081 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
6082 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
6083 scheme, using unspecs, secondary reloads, and one to one sparc
6084 insn to rtl insn mapping for better scheduling and code gen.
6085 (define_expand reload_indi, reload_outdi): Reload helpers for
6086 MEDANY and EMBMEDANY symbol address loading cases which require a
6088 (define_expand movsicc): Remove v8plus_regcmp cases.
6089 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
6090 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
6091 cmp_diqi_trunc_set): New patterns used by some of the new scc
6093 (define_insn xordi3_sp64_dbl): New pattern used for constant
6094 formation when crossing from 32-bit targets.
6095 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
6097 (define_insn addx, subx): Make visible and prettify.
6098 (define_insn adddi3_insn_sp32): Likewise and force split.
6099 (define_insn addx_extend, subx_extend, unnamed): New patterns for
6100 64bit scc split usage.
6101 (define_insn unnamed plusDI zero_extend, unnamed minusDI
6102 zero_extend, subdi3): Force and implement splits.
6104 * final.c (final_scan_insn): Don't output labels if target
6105 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
6108 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
6109 don't forget to walk inside SEQUENCESs too as these are what the
6110 delay slot scheduler will create.
6112 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
6114 * alpha.md (extxl+1,+2): New patterns to work around
6117 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
6119 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
6120 caused bad assembly code to be generated.
6122 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
6124 * netbsd.h: Fix typo.
6126 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
6128 * config.sub: Fix typo.
6130 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
6132 * invoke.texi (Environment Variables): Typo: Change "ascpects"
6134 (Running Protoize): Typo: Change "ther" into "other".
6136 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
6138 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
6139 * m68k/netbsd.h: Likewise.
6140 * ns32k/netbsd.h: Likewise.
6141 * sparc/netbsd.h: Likewise.
6143 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
6145 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
6146 * ginclude/va-clipper.h (va_list): Likewise.
6148 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
6150 * rs6000.c (rs6000_override_options): If big endian and -Os, use
6151 load/store multiple instructions unless user overrides.
6153 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
6155 * ns32k/netbsd.h: Fix typo.
6157 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
6159 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
6160 labels with .debugsym if no parallel insns.
6162 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
6164 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
6165 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
6167 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
6169 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
6170 (AR_FOR_TARGET): Define.
6172 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
6174 * dyn-string.h: New file.
6175 * dyn-string.c: Likewise.
6176 * Makefile.in (OBJS): Add dyn-string.o.
6177 (dwarf2out.o): Add dyn-string.h dependency.
6178 (dyn-string.o): List dependencies.
6179 * dwarf2out.c: Include dyn-string.h.
6180 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
6181 (addr_const_to_string): Take a dyn_string_t, not a char* as a
6182 prototype. Use dyn_string_append rather than strcat, throughout.
6183 (addr_to_string): Use dyn_string_t.
6185 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
6187 Function entry/exit profiling instrumentation:
6188 * expr.h (profile_function_entry_libfunc,
6189 profile_function_exit_libfunc): Declare new variables.
6190 * optabs.c: Define them here.
6191 (init_optabs): Initialize them.
6192 * tree.h (struct tree_decl): New flag
6193 no_instrument_function_entry_exit.
6194 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
6195 * c-decl.c (duplicate_decls): Merge it.
6196 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
6197 (init_attributes): Use it for "no_instrument_function".
6198 (decl_attributes): Handle it, for functions that have not yet been
6199 compiled. Set decl flag.
6200 * flags.h (flag_instrument_function_entry_exit): Declare new
6202 * toplev.c (flag_instrument_function_entry_exit): Define it here.
6203 (f_options): New option "instrument-functions".
6204 * function.h (struct function): New field instrument_entry_exit.
6205 * function.c (current_function_instrument_entry_exit): New
6207 (push_function_context_to, pop_function_context_from): Save and
6209 (expand_function_start): Set current_ variable, maybe emit return
6210 label and entry profile call.
6211 (expand_function_end): Maybe emit exit profile call.
6213 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
6215 * i386.md (movqi): When optimizing a load of (const_int 1) into a
6216 NON_QI_REG_P, pretend the register is SImode.
6218 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
6220 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
6221 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
6222 manufacturer id for ns32k.
6223 * configure: Regenerated.
6224 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
6225 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
6226 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
6227 * config/m68k/netbsd.h: Same.
6228 * config/ns32k/netbsd.h: Same.
6229 * config/sparc/netbsd.h: Same.
6231 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
6233 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
6234 or UNROLL_COMPLETELY loop that starts with a jump to its
6237 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
6239 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
6240 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
6241 (print_operand, case 'B'): Don't fall through.
6242 (print_operand, case 'S'): Correct mask begin/end computation.
6243 Use HOST_BITS_PER_WIDE_INT.
6244 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
6245 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
6246 * rs6000/aix41.h (CPP_PREDEFINES): Same.
6247 * rs6000/aix43.h (CPP_PREDEFINES): Same.
6249 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
6251 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
6252 constraint from second alternative.
6254 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6256 * configure.in: Fix --without/--disable cases for local-prefix,
6257 gxx-include-dir and checking.
6259 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6261 * configure.in (enable_haifa): Set by default for sparc64 too.
6264 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6266 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
6267 * i386/winnt.c (associated_type): New fn.
6268 (i386_pe_valid_type_attribute_p): New fn.
6269 (i386_pe_check_vtable_importexport): Remove.
6270 (i386_pe_dllexport_p): Use associated_type.
6271 (i386_pe_dllimport_p): Likewise.
6273 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
6274 * i386.c (i386_valid_type_attribute_p): Also accept
6275 attributes for METHOD_TYPEs.
6277 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
6279 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
6281 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
6283 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
6285 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
6286 them from generating a new base name for each occurence of
6289 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
6291 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
6293 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
6297 * cplus-dem.c (type_kind_t): New type.
6298 (demangle_template_value_parm): Add type_kind_t parameter. Rely
6299 on this paramter, rather than demangling the type again.
6300 (demangle_integral_value): Pass tk_integral.
6301 (demangle_template_: Pass the value returned from do_type.
6302 (do_type): Return a type_kind_t. Pass tk_integral to
6303 demangle_template_value_parm for array bounds.
6304 (demangle_fund_type): Likewise.
6306 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
6308 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
6311 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
6313 * pa.c (move_operand): Accept CONSTANT_P_RTX.
6315 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
6317 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
6319 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
6322 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
6324 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
6325 (DEBUGGER_ARG_OFFSET): Likewise.
6327 * mn10300.md (movsf): Remove last change. Not needed.
6329 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
6331 * c-lex.c (yylex): Fix boundary conditions in character literal and
6332 string literal loops.
6334 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
6336 * longlong.h (count_leading_zeros): Sparclite scan instruction was
6337 being invoked incorrectly.
6339 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
6340 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
6342 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
6343 * configure.in: Added i[34567]86-*-win32
6344 * config.sub: Ditto.
6345 * configure: Rebuilt.
6347 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
6349 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
6350 the frame pointer and compiling PIC code and reload has not completed.
6352 * i386.c (output_to_reg): Add code to emulate non-popping DImode
6355 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
6357 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
6359 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6361 * Makefile.in (install-info): Only try to update the info
6362 directory file if it exists in the first place.
6364 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
6366 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
6368 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
6370 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
6371 CONST_DOUBLE source.
6373 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
6375 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
6376 strings as the insertion of USER_LABEL_PREFIX.
6377 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
6379 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
6382 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
6384 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
6385 already defined type.
6387 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
6389 * expr.c (check_max_integer_computation_mode): Allow conversions
6390 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
6391 (expand_expr): Likewise.
6393 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6395 * expr.c (expand_expr): Expand RETURN_EXPR.
6397 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
6399 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
6401 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
6403 * dwarf2out.c (output_aranges): Call stripattributes
6404 for TEXT_SECTION references.
6405 (output_line_info): Likewise.
6407 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6409 * profile.c (branch_prob): Call allocate_reg_info after outputting
6410 profile rtl in instrument_arcs.
6412 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
6414 * fixinc.irix (math.h): Install wrapper instead of copying.
6416 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6418 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
6419 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
6420 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
6421 lang_flag_0. Added documentation in the flag table.
6423 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
6425 * cccp.c (do_include): Fix vax c style include handling.
6427 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6429 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
6431 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
6433 * fold-const.c (non_lvalue): Don't deal with null pointer
6435 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6437 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
6439 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
6440 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
6441 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
6442 (u_short_cint_operand): Same.
6443 (reg_or_cint_operand): Same.
6444 (logical_operand): Same.
6445 (input_operand): Same.
6446 (reg_or_short_operand): Use u_short_cint_operand.
6448 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
6450 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
6451 but keep the insns and splits. Adjust so when the ultimate destination
6452 is memory, use cvtql.
6454 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
6456 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
6458 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
6460 * gcc.c (do_spec): Call "error" not "warning".
6462 * configure.in: Fix minor problems with gas feature detection code.
6463 * configure: Rebuilt.
6465 * gcc.c (do_spec): Issue a warning for '%[]' usage.
6468 * gcc.c: Delete %[spec] support.
6469 (do_spec_1, case '('): Likewise.
6470 (do_spec_1, case '['): Call error.
6472 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
6474 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
6475 (CPP_SUBTARGET_SPEC): Default to empty string.
6476 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
6477 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
6478 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
6479 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
6481 * alpha/linux.h (CPP_PREDEFINES): Tidy.
6482 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
6483 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
6484 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
6485 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
6486 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
6487 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
6488 * alpha/vxworks.h: Likewise.
6490 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
6492 * mips.md (reload_outsi): Added missing REGNO call.
6493 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
6495 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
6496 another match_operator and compare the codes.
6498 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
6500 * MIPS multiply pattern fixes:
6501 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6502 Add union classes for HI, LO, or HILO plus general registers.
6503 (GENERATE_MADD): Deleted.
6504 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
6505 Add TARGET_MAD to condition.
6506 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
6507 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
6508 "*d" for accumulator, to give preference to LO initially but not
6511 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
6513 * configure.in (enable_c_mbchar): New configure option.
6514 (extra_cpp_objs): Always available now.
6516 * cexp.y (mbchar.h): #include it.
6517 (yylex): Handle Multibyte characters in character literals.
6519 * cccp.c (mbchar.h): #include it.
6520 (main): Set character set based on LANG environment variable.
6521 (rescan): Handle multibyte characters in comments.
6522 (skip_if_group): See above.
6523 (validate_else): See above.
6524 (skip_to_end_of_comment): See above.
6525 (macarg1): See above.
6526 (discard_comments): See above.
6527 (rescan): Handle multibyte characters in string and character literals.
6528 (collect_expansion): See above.
6529 (skip_quoted_string): See above.
6530 (macroexpand): See above.
6531 (macarg1): See above.
6532 (discard_comments): See above.
6533 (change_newlines): See above.
6535 * c-lex.c (mbchar.h): #include it.
6536 (GET_ENVIRONMENT): New macro.
6537 (init_lex): Set character set based on LANG environment variable.
6538 (yylex): Handle multibyte characters in character literals.
6539 (yylex): Handle multibyte characters in string literals.
6541 * Makefile.in (mbchar.o): New target.
6542 (cccp$(exeext)): @extra_cpp_objs@ is always available.
6543 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
6545 * mbchar.[ch]: New files for multibyte character handling.
6547 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6549 * jump.c (jump_optimize): When simplifying noop moves and
6550 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6551 the PUSHes to rewrite in second loop as we did in the first.
6553 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6555 * cplus-dem.c (demangle_nested_args): Make function definition
6556 static to match the prototype.
6558 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6560 * alloca.c: Respect USE_C_ALLOCA.
6561 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6562 * gengenrtl.c (xmalloc): Likewise.
6564 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6566 * loop.h (struct induction): Add no_const_addval.
6567 * loop.c (the_movables, reg_address_cost): New variables.
6568 (init_loop): Init reg_address_cost.
6569 (loop_optimize): Call end_alias_analysis.
6570 (scan_loop): Init the_movables.
6571 (record_giv): Init induction->no_const_addval.
6572 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6573 [REG]: Rearrange loop search test to catch more cases.
6574 (general_induction_var): Return success not benefit; take an extra
6575 argument for that. Change all callers.
6576 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6577 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6578 [default]: Search the_movables for additional combinations.
6579 (sge_plus_constant, sge_plus): New functions.
6580 (express_from_1): New function.
6581 (express_from): Always define. Rewrite using express_from_1.
6582 (combine_givs_p): Handle more cases. Ignore address cost.
6583 (cmp_combine_givs_stats): New function.
6584 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6585 (combine_givs): Rewrite to do best-fit combination.
6587 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6588 (fold): Do a complete (A*C)+(B*C) association check.
6590 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6592 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6594 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6596 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6598 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6600 * tree.c (valid_machine_attribute): Only create a new type variant if
6601 there is a decl to use it.
6603 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6605 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6608 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6610 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6613 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6615 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6616 Simplify tests for clearing an address register.
6617 (expand_prologue): Corresponding changes.
6619 * mn10300.md (movXX patterns): Make sure the destination is an
6620 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6621 (logical patterns): Split into expanders + patterns
6622 (zero and sign extension patterns): Similarly.
6623 (shift patterns): Similarly.
6625 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6627 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6628 for the sequence, recording base values.
6630 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6632 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6634 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6636 * gcc.c: Remove ANSI-C ism from --help code.
6638 * toplev.c: Support --help with USE_CPPLIB.
6640 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6642 * configure.in: Rework gas feature code to work with symlink based
6645 * extend.texi: Clarify some issues related to local variables
6646 assigned to explicit registers.
6648 * mn10300.md (mulsi): Turn into expander + pattern.
6650 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6653 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6655 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6657 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6659 * version.c: Bump again to distinguish mainline tree from the
6662 See ChangeLog.0 for earlier changes.
6665 add-log-time-format: current-time-string